https://www.clientpoint.me/_next/static/chunks/4393-41233e29c0c04e03.js

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Token&&{NextToken:e9}}),sG=e=>({...e,...e.NextToken&&{NextToken:e9}}),sK=e=>({...e,...e.Channels&&{Channels:e.Channels.map(e=>r5(e))},...e.NextToken&&{NextToken:e9}}),sq=e=>({...e,...e.NextToken&&{NextToken:e9}}),sQ=e=>({...e,...e.Channels&&{Channels:e.Channels.map(e=>sm(e))},...e.NextToken&&{NextToken:e9}}),sJ=e=>({...e,...e.NextToken&&{NextToken:e9}}),sY=e=>({...e,...e.NextToken&&{NextToken:e9}}),sX=e=>({...e,...e.Tags&&{Tags:e.Tags.map(e=>sv(e))}}),sZ=e=>({...e,...e.Preferences&&{Preferences:sc(e.Preferences)}}),s0=e=>({...e,...e.Member&&{Member:r2(e.Member)},...e.Preferences&&{Preferences:sc(e.Preferences)}}),s1=e=>({...e,...e.NextToken&&{NextToken:e9}}),s2=e=>({...e,...e.Channels&&{Channels:e.Channels.map(e=>so(e))},...e.NextToken&&{NextToken:e9}}),s6=e=>({...e,...e.Content&&{Content:e9},...e.Metadata&&{Metadata:e9},...e.ClientRequestToken&&{ClientRequestToken:e9},...e.PushNotification&&{PushNotification:si(e.PushNotification)},...e.MessageAttributes&&{MessageAttributes:Object.entries(e.MessageAttributes).reduce((e,[t,i])=>(e[t]=st(i),e),{})},...e.ContentType&&{ContentType:e9}}),s3=e=>({...e,...e.Tags&&{Tags:e.Tags.map(e=>sv(e))}}),s4=e=>({...e,...e.TagKeys&&{TagKeys:e9}}),s5=e=>({...e,...e.Name&&{Name:e9},...e.Metadata&&{Metadata:e9}}),s8=e=>({...e,...e.Processors&&{Processors:e.Processors.map(e=>r7(e))},...e.Name&&{Name:e9}}),s9=e=>({...e,...e.Content&&{Content:e9},...e.Metadata&&{Metadata:e9},...e.ContentType&&{ContentType:e9}}),s7=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/channel-flow"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{ChannelFlowArn:[]})),n.m("PUT").h(r).b(i),n.build()},ae=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});n.bp("/channels/{ChannelArn}/memberships"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[dw]:[,"batch-create"]});return i=JSON.stringify(tE(e,{MemberArns:e=>tx(e),SubChannelId:[],Type:[]})),n.m("POST").h(r).q(s).b(i),n.build()},at=async(e,t)=>{let i;let n=tQ(e,t);n.bp("/channels/{ChannelArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let r=tM({[dw]:[,"channel-flow-callback"]});return i=JSON.stringify(tE(e,{CallbackId:[!0,e=>e??rP()],ChannelMessage:e=>tx(e),DeleteResource:[]})),n.m("POST").h({"content-type":"application/json"}).q(r).b(i),n.build()},ai=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels"),i=JSON.stringify(tE(e,{AppInstanceArn:[],ChannelId:[],ClientRequestToken:[!0,e=>e??rP()],ElasticChannelConfiguration:e=>tx(e),ExpirationSettings:e=>tx(e),MemberArns:e=>tx(e),Metadata:[],Mode:[],ModeratorArns:e=>tx(e),Name:[],Privacy:[],Tags:e=>tx(e)})),n.m("POST").h(r).b(i),n.build()},an=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/bans"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{MemberArn:[]})),n.m("POST").h(r).b(i),n.build()},ar=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/channel-flows"),i=JSON.stringify(tE(e,{AppInstanceArn:[],ClientRequestToken:[!0,e=>e??rP()],Name:[],Processors:e=>tx(e),Tags:e=>tx(e)})),n.m("POST").h({"content-type":"application/json"}).b(i),n.build()},as=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/memberships"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{MemberArn:[],SubChannelId:[],Type:[]})),n.m("POST").h(r).b(i),n.build()},aa=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/moderators"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{ChannelModeratorArn:[]})),n.m("POST").h(r).b(i),n.build()},ao=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.m("DELETE").h(r).b(i),n.build()},ad=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/bans/{MemberArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MemberArn",()=>e.MemberArn,"{MemberArn}",!1),n.m("DELETE").h(r).b(i),n.build()},al=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/channel-flows/{ChannelFlowArn}"),n.p("ChannelFlowArn",()=>e.ChannelFlowArn,"{ChannelFlowArn}",!1),n.m("DELETE").h({}).b(i),n.build()},ac=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/memberships/{MemberArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MemberArn",()=>e.MemberArn,"{MemberArn}",!1);let s=tM({[dE]:[,e[du]]});return n.m("DELETE").h(r).q(s).b(i),n.build()},au=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/messages/{MessageId}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MessageId",()=>e.MessageId,"{MessageId}",!1);let s=tM({[dE]:[,e[du]]});return n.m("DELETE").h(r).q(s).b(i),n.build()},ah=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/moderators/{ChannelModeratorArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("ChannelModeratorArn",()=>e.ChannelModeratorArn,"{ChannelModeratorArn}",!1),n.m("DELETE").h(r).b(i),n.build()},af=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/app-instances/{AppInstanceArn}/streaming-configurations"),n.p("AppInstanceArn",()=>e.AppInstanceArn,"{AppInstanceArn}",!1),n.m("DELETE").h({}).b(i),n.build()},am=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.m("GET").h(r).b(i),n.build()},ap=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/bans/{MemberArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MemberArn",()=>e.MemberArn,"{MemberArn}",!1),n.m("GET").h(r).b(i),n.build()},ag=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/channel-flows/{ChannelFlowArn}"),n.p("ChannelFlowArn",()=>e.ChannelFlowArn,"{ChannelFlowArn}",!1),n.m("GET").h({}).b(i),n.build()},av=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/memberships/{MemberArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MemberArn",()=>e.MemberArn,"{MemberArn}",!1);let s=tM({[dE]:[,e[du]]});return n.m("GET").h(r).q(s).b(i),n.build()},ab=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[dM]:[,"app-instance-user-membership"],[dg]:[,tt(e[dt],"AppInstanceUserArn")]});return n.m("GET").h(r).q(s).b(i),n.build()},aS=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[dM]:[,"app-instance-user-moderated-channel"],[dg]:[,tt(e[dt],"AppInstanceUserArn")]});return n.m("GET").h(r).q(s).b(i),n.build()},ay=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/moderators/{ChannelModeratorArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("ChannelModeratorArn",()=>e.ChannelModeratorArn,"{ChannelModeratorArn}",!1),n.m("GET").h(r).b(i),n.build()},aC=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/channel-flow/{ChannelFlowArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("ChannelFlowArn",()=>e.ChannelFlowArn,"{ChannelFlowArn}",!1),n.m("DELETE").h(r).b(i),n.build()},aw=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/memberships/{MemberArn}/preferences"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MemberArn",()=>e.MemberArn,"{MemberArn}",!1),n.m("GET").h(r).b(i),n.build()}

10,aT=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/messages/{MessageId}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MessageId",()=>e.MessageId,"{MessageId}",!1);let s=tM({[dE]:[,e[du]]});return n.m("GET").h(r).q(s).b(i),n.build()},aM=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/messages/{MessageId}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MessageId",()=>e.MessageId,"{MessageId}",!1);let s=tM({[dM]:[,"message-status"],[dE]:[,e[du]]});return n.m("GET").h(r).q(s).b(i),n.build()},aE=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/endpoints/messaging-session"),n.m("GET").h({}).b(i),n.build()},aA=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/app-instances/{AppInstanceArn}/streaming-configurations"),n.p("AppInstanceArn",()=>e.AppInstanceArn,"{AppInstanceArn}",!1),n.m("GET").h({}).b(i),n.build()},ak=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/bans"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h(r).q(s).b(i),n.build()},a_=async(e,t)=>{let i;let n=tQ(e,t);n.bp("/channel-flows");let r=tM({[dp]:[,tt(e[de],"AppInstanceArn")],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h({}).q(r).b(i),n.build()},aP=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/memberships"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[dk]:[,e[df]],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]],[dE]:[,e[du]]});return n.m("GET").h(r).q(s).b(i),n.build()},aR=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels");let s=tM({[dM]:[,"app-instance-user-memberships"],[dg]:[,e[dt]],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h(r).q(s).b(i),n.build()},aI=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/messages"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[dA]:[,e[dh]],[dy]:[()=>void 0!==e.NotBefore,()=>tO(e[da]).toString()],[dS]:[()=>void 0!==e.NotAfter,()=>tO(e[ds]).toString()],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]],[dE]:[,e[du]]});return n.m("GET").h(r).q(s).b(i),n.build()},aO=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/moderators"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h(r).q(s).b(i),n.build()},ax=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels");let s=tM({[dp]:[,tt(e[de],"AppInstanceArn")],[dT]:[,e[dl]],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h(r).q(s).b(i),n.build()},aD=async(e,t)=>{let i;let n=tQ(e,t);n.bp("/channels");let r=tM({[dM]:[,"channel-flow-associations"],[dv]:[,tt(e[dn],"ChannelFlowArn")],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h({}).q(r).b(i),n.build()},aB=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels");let s=tM({[dM]:[,"app-instance-user-moderated-channels"],[dg]:[,e[dt]],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h(r).q(s).b(i),n.build()},aN=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});n.bp("/channels/{ChannelArn}/subchannels"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1);let s=tM({[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return n.m("GET").h(r).q(s).b(i),n.build()},aL=async(e,t)=>{let i;let n=tQ(e,t);n.bp("/tags");let r=tM({[dm]:[,tt(e[dc],"ResourceARN")]});return n.m("GET").h({}).q(r).b(i),n.build()},aF=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/expiration-settings"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{ExpirationSettings:e=>tx(e)})),n.m("PUT").h(r).b(i),n.build()},aV=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/memberships/{MemberArn}/preferences"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MemberArn",()=>e.MemberArn,"{MemberArn}",!1),i=JSON.stringify(tE(e,{Preferences:e=>tx(e)})),n.m("PUT").h(r).b(i),n.build()},aU=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/app-instances/{AppInstanceArn}/streaming-configurations"),n.p("AppInstanceArn",()=>e.AppInstanceArn,"{AppInstanceArn}",!1),i=JSON.stringify(tE(e,{StreamingConfigurations:e=>tx(e)})),n.m("PUT").h({"content-type":"application/json"}).b(i),n.build()},az=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});n.bp("/channels/{ChannelArn}/messages/{MessageId}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MessageId",()=>e.MessageId,"{MessageId}",!1);let s=tM({[dw]:[,"redact"]});return i=JSON.stringify(tE(e,{SubChannelId:[]})),n.m("POST").h(r).q(s).b(i),n.build()},a$=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});n.bp("/channels");let s=tM({[dw]:[,"search"],[db]:[()=>void 0!==e.MaxResults,()=>e[dr].toString()],[dC]:[,e[dd]]});return i=JSON.stringify(tE(e,{Fields:e=>tx(e)})),n.m("POST").h(r).q(s).b(i),n.build()},aH=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/messages"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{ClientRequestToken:[!0,e=>e??rP()],Content:[],ContentType:[],MessageAttributes:e=>tx(e),Metadata:[],Persistence:[],PushNotification:e=>tx(e),SubChannelId:[],Target:e=>tx(e),Type:[]})),n.m("POST").h(r).b(i),n.build()},aj=async(e,t)=>{let i;let n=tQ(e,t);n.bp("/tags");let r=tM({[dw]:[,"tag-resource"]});return i=JSON.stringify(tE(e,{ResourceARN:[],Tags:e=>tx(e)})),n.m("POST").h({"content-type":"application/json"}).q(r).b(i),n.build()},aW=async(e,t)=>{let i;let n=tQ(e,t);n.bp("/tags");let r=tM({[dw]:[,"untag-resource"]});return i=JSON.stringify(tE(e,{ResourceARN:[],TagKeys:e=>tx(e)})),n.m("POST").h({"content-type":"application/json"}).q(r).b(i),n.build()},aG=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),i=JSON.stringify(tE(e,{Metadata:[],Mode:[],Name:[]})),n.m("PUT").h(r).b(i),n.build()},aK=async(e,t)=>{let i;let n=tQ(e,t);return n.bp("/channel-flows/{ChannelFlowArn}"),n.p("ChannelFlowArn",()=>e.ChannelFlowArn,"{ChannelFlowArn}",!1),i=JSON.stringify(tE(e,{Name:[],Processors:e=>tx(e)})),n.m("PUT").h({"content-type":"application/json"}).b(i),n.build()},aq=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{"content-type":"application/json",[d_]:e[di]});return n.bp("/channels/{ChannelArn}/messages/{MessageId}"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.p("MessageId",()=>e.MessageId,"{MessageId}",!1),i=JSON.stringify(tE(e,{Content:[],ContentType:[],Metadata:[],SubChannelId:[]})),n.m("PUT").h(r).b(i),n.build()},aQ=async(e,t)=>{let i;let n=tQ(e,t),r=tM({},tC,{[d_]:e[di]});return n.bp("/channels/{ChannelArn}/readMarker"),n.p("ChannelArn",()=>e.ChannelArn,"{ChannelArn}",!1),n.m("PUT").h(r).b(i),n.build()},aJ=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return await e4(e.body,t),i},aY=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{BatchChannelMemberships:tx,Errors:tx})),i},aX=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{CallbackId:tn,ChannelArn:tn})),i},aZ=async(e,t)=>{if(201!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{ChannelArn:tn})),i},a0=async(e,t)=>{if(201!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await 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i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{Channels:e=>o4(e,t),NextToken:tn})),i},oT=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{ChannelArn:tn,NextToken:tn,SubChannels:tx})),i},oM=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{Tags:tx})),i},oE=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{ChannelArn:tn,ExpirationSettings:tx})),i},oA=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{ChannelArn:tn,Member:tx,Preferences:tx})),i},ok=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{StreamingConfigurations:tx})),i},o_=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{ChannelArn:tn,MessageId:tn,SubChannelId:tn})),i},oP=async(e,t)=>{if(200!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{Channels:e=>o9(e,t),NextToken:tn})),i},oR=async(e,t)=>{if(201!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return Object.assign(i,tE(tt(ti(await rT(e.body,t)),"body"),{ChannelArn:tn,MessageId:tn,Status:tx,SubChannelId:tn})),i},oI=async(e,t)=>{if(204!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return await e4(e.body,t),i},oO=async(e,t)=>{if(204!==e.statusCode&&e.statusCode>=300)return oL(e,t);let i=tM({$metadata:o7(e)});return await 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10)},oV=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rD({$metadata:o7(e),...i}),e.body)},oU=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rB({$metadata:o7(e),...i}),e.body)},oz=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rN({$metadata:o7(e),...i}),e.body)},o$=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rL({$metadata:o7(e),...i}),e.body)},oH=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new r$({$metadata:o7(e),...i}),e.body)},oj=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rF({$metadata:o7(e),...i}),e.body)},oW=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rV({$metadata:o7(e),...i}),e.body)},oG=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rU({$metadata:o7(e),...i}),e.body)},oK=async(e,t)=>{let i=tM({});return Object.assign(i,tE(e.body,{Code:tn,Message:tn})),tu(new rz({$metadata:o7(e),...i}),e.body)},oq=(e,t)=>tE(e,{ReadMarkerTimestamp:e=>tt(tl(te(e))),SubChannelId:tn,Type:tn}),oQ=(e,t)=>tE(e,{ChannelArn:tn,ChannelFlowArn:tn,CreatedBy:tx,CreatedTimestamp:e=>tt(tl(te(e))),ElasticChannelConfiguration:tx,ExpirationSettings:tx,LastMessageTimestamp:e=>tt(tl(te(e))),LastUpdatedTimestamp:e=>tt(tl(te(e))),Metadata:tn,Mode:tn,Name:tn,Privacy:tn}),oJ=(e,t)=>tE(e,{ChannelArn:tn,CreatedBy:tx,CreatedTimestamp:e=>tt(tl(te(e))),Member:tx}),oY=(e,t)=>tE(e,{ChannelFlowArn:tn,CreatedTimestamp:e=>tt(tl(te(e))),LastUpdatedTimestamp:e=>tt(tl(te(e))),Name:tn,Processors:tx}),oX=(e,t)=>tE(e,{ChannelArn:tn,CreatedTimestamp:e=>tt(tl(te(e))),InvitedBy:tx,LastUpdatedTimestamp:e=>tt(tl(te(e))),Member:tx,SubChannelId:tn,Type:tn}),oZ=(e,t)=>tE(e,{AppInstanceUserMembershipSummary:e=>oq(e,t),ChannelSummary:e=>o8(e,t)}),o0=(e,t)=>(e||[]).filter(e=>null!=e).map(e=>oZ(e,t)),o1=(e,t)=>tE(e,{ChannelArn:tn,Content:tn,ContentType:tn,CreatedTimestamp:e=>tt(tl(te(e))),LastEditedTimestamp:e=>tt(tl(te(e))),LastUpdatedTimestamp:e=>tt(tl(te(e))),MessageAttributes:tx,MessageId:tn,Metadata:tn,Persistence:tn,Redacted:e7,Sender:tx,Status:tx,SubChannelId:tn,Target:tx,Type:tn}),o2=(e,t)=>

10tE(e,{Content:tn,ContentType:tn,CreatedTimestamp:e=>tt(tl(te(e))),LastEditedTimestamp:e=>tt(tl(te(e))),LastUpdatedTimestamp:e=>tt(tl(te(e))),MessageAttributes:tx,MessageId:tn,Metadata:tn,Redacted:e7,Sender:tx,Status:tx,Target:tx,Type:tn}),o6=(e,t)=>(e||[]).filter(e=>null!=e).map(e=>o2(e,t)),o3=(e,t)=>tE(e,{ChannelSummary:e=>o8(e,t)}),o4=(e,t)=>(e||[]).filter(e=>null!=e).map(e=>o3(e,t)),o5=(e,t)=>tE(e,{ChannelArn:tn,CreatedBy:tx,CreatedTimestamp:e=>tt(tl(te(e))),Moderator:tx}),o8=(e,t)=>tE(e,{ChannelArn:tn,LastMessageTimestamp:e=>tt(tl(te(e))),Metadata:tn,Mode:tn,Name:tn,Privacy:tn}),o9=(e,t)=>(e||[]).filter(e=>null!=e).map(e=>o8(e,t)),o7=e=>({httpStatusCode:e.statusCode,requestId:e.headers["x-amzn-requestid"]??e.headers["x-amzn-request-id"]??e.headers["x-amz-request-id"],extendedRequestId:e.headers["x-amz-id-2"],cfId:e.headers["x-amz-cf-id"]}),de="AppInstanceArn",dt="AppInstanceUserArn",di="ChimeBearer",dn="ChannelFlowArn",dr="MaxResults",ds="NotAfter",da="NotBefore",dd="NextToken",dl="Privacy",dc="ResourceARN",du="SubChannelId",dh="SortOrder",df="Type",dm="arn",dp="app-instance-arn",dg="app-instance-user-arn",dv="channel-flow-arn",db="max-results",dS="not-after",dy="not-before",dC="next-token",dw="operation",dT="privacy",dM="scope",dE="sub-channel-id",dA="sort-order",dk="type",d_="x-amz-chime-bearer";class dP extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","AssociateChannelFlow",{}).n("ChimeSDKMessagingClient","AssociateChannelFlowCommand").f(void 0,void 0).ser(s7).de(aJ).build(){}class dR extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","BatchCreateChannelMembership",{}).n("ChimeSDKMessagingClient","BatchCreateChannelMembershipCommand").f(void 0,r3).ser(ae).de(aY).build(){}class dI extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ChannelFlowCallback",{}).n("ChimeSDKMessagingClient","ChannelFlowCallbackCommand").f(sr,void 0).ser(at).de(aX).build(){}class dO extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","CreateChannelBan",{}).n("ChimeSDKMessagingClient","CreateChannelBanCommand").f(void 0,sS).ser(an).de(a0).build(){}class dx extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","CreateChannel",{}).n("ChimeSDKMessagingClient","CreateChannelCommand").f(sb,void 0).ser(ai).de(aZ).build(){}class dD extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","CreateChannelFlow",{}).n("ChimeSDKMessagingClient","CreateChannelFlowCommand").f(sy,void 0).ser(ar).de(a1).build(){}class dB extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","CreateChannelMembership",{}).n("ChimeSDKMessagingClient","CreateChannelMembershipCommand").f(void 0,sC).ser(as).de(a2).build(){}class dN extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","CreateChannelModerator",{}).n("ChimeSDKMessagingClient","CreateChannelModeratorCommand").f(void 0,sw).ser(aa).de(a6).build(){}class dL extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DeleteChannelBan",{}).n("ChimeSDKMessagingClient","DeleteChannelBanCommand").f(void 0,void 0).ser(ad).de(a4).build(){}class dF extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstru

10ctions())]}).s("ChimeMessagingService","DeleteChannel",{}).n("ChimeSDKMessagingClient","DeleteChannelCommand").f(void 0,void 0).ser(ao).de(a3).build(){}class dV extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DeleteChannelFlow",{}).n("ChimeSDKMessagingClient","DeleteChannelFlowCommand").f(void 0,void 0).ser(al).de(a5).build(){}class dU extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DeleteChannelMembership",{}).n("ChimeSDKMessagingClient","DeleteChannelMembershipCommand").f(void 0,void 0).ser(ac).de(a8).build(){}class dz extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DeleteChannelMessage",{}).n("ChimeSDKMessagingClient","DeleteChannelMessageCommand").f(void 0,void 0).ser(au).de(a9).build(){}class d$ extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DeleteChannelModerator",{}).n("ChimeSDKMessagingClient","DeleteChannelModeratorCommand").f(void 0,void 0).ser(ah).de(a7).build(){}class dH extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DeleteMessagingStreamingConfigurations",{}).n("ChimeSDKMessagingClient","DeleteMessagingStreamingConfigurationsCommand").f(void 0,void 0).ser(af).de(oe).build(){}class dj extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannelBan",{}).n("ChimeSDKMessagingClient","DescribeChannelBanCommand").f(void 0,sM).ser(ap).de(oi).build(){}class dW extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannel",{}).n("ChimeSDKMessagingClient","DescribeChannelCommand").f(void 0,sT).ser(am).de(ot).build(){}class dG extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannelFlow",{}).n("ChimeSDKMessagingClient","DescribeChannelFlowCommand").f(void 0,sE).ser(ag).de(on).build(){}class dK extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannelMembership",{}).n("ChimeSDKMessagingClient","DescribeChannelMembershipCommand").f(void 0,sA).ser(av).de(or).build(){}class dq extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannelMembershipForAppInstanceUser",{}).n("ChimeSDKMessagingClient","DescribeChannelMembershipForAppInstanceUserCommand").f(void 0,sk).ser(ab).de(os).build(){}class dQ extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannelModeratedByAppInstanceUser",{}).n("ChimeSDKMessagingClient","DescribeChannelModeratedByAppInstanceUserCommand").f(void 0,s_).ser(aS).de(oa).build(){}class dJ extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DescribeChannelModerator",{}).n("ChimeSDKMessagingClient","DescribeChannelModeratorCommand").f(void 0,sP).ser(ay).de(oo).build(){}class dY extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","DisassociateChannelFlow",{}).n("ChimeSDKMessagingClient","DisassociateChannelFlowCommand").f(void 0,void 0).ser(aC).de(od).build(){}class dX extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstru

10ctions())]}).s("ChimeMessagingService","GetChannelMembershipPreferences",{}).n("ChimeSDKMessagingClient","GetChannelMembershipPreferencesCommand").f(void 0,sR).ser(aw).de(ol).build(){}class dZ extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","GetChannelMessage",{}).n("ChimeSDKMessagingClient","GetChannelMessageCommand").f(void 0,sI).ser(aT).de(oc).build(){}class d0 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","GetChannelMessageStatus",{}).n("ChimeSDKMessagingClient","GetChannelMessageStatusCommand").f(void 0,void 0).ser(aM).de(ou).build(){}class d1 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","GetMessagingSessionEndpoint",{}).n("ChimeSDKMessagingClient","GetMessagingSessionEndpointCommand").f(void 0,void 0).ser(aE).de(oh).build(){}class d2 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","GetMessagingStreamingConfigurations",{}).n("ChimeSDKMessagingClient","GetMessagingStreamingConfigurationsCommand").f(void 0,void 0).ser(aA).de(of).build(){}class d6 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelBans",{}).n("ChimeSDKMessagingClient","ListChannelBansCommand").f(sO,sx).ser(ak).de(om).build(){}class d3 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelFlows",{}).n("ChimeSDKMessagingClient","ListChannelFlowsCommand").f(sD,sB).ser(a_).de(op).build(){}class d4 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelMemberships",{}).n("ChimeSDKMessagingClient","ListChannelMembershipsCommand").f(sN,sL).ser(aP).de(og).build(){}class d5 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelMembershipsForAppInstanceUser",{}).n("ChimeSDKMessagingClient","ListChannelMembershipsForAppInstanceUserCommand").f(sF,sV).ser(aR).de(ov).build(){}class d8 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelMessages",{}).n("ChimeSDKMessagingClient","ListChannelMessagesCommand").f(sU,sz).ser(aI).de(ob).build(){}class d9 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelModerators",{}).n("ChimeSDKMessagingClient","ListChannelModeratorsCommand").f(s$,sH).ser(aO).de(oS).build(){}class d7 extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelsAssociatedWithChannelFlow",{}).n("ChimeSDKMessagingClient","ListChannelsAssociatedWithChannelFlowCommand").f(sG,sK).ser(aD).de(oC).build(){}class le extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannels",{}).n("ChimeSDKMessagingClient","ListChannelsCommand").f(sj,sW).ser(ax).de(oy).build(){}class lt extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListChannelsModeratedByAppInstanceUser",{}).n("ChimeSDKMessagingClient","ListChannelsModeratedByAppInstanceUserCommand").f(sq,sQ).ser(aB).de(ow).build(){}class li extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstru

10ctions())]}).s("ChimeMessagingService","ListSubChannels",{}).n("ChimeSDKMessagingClient","ListSubChannelsCommand").f(sJ,sY).ser(aN).de(oT).build(){}class ln extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","ListTagsForResource",{}).n("ChimeSDKMessagingClient","ListTagsForResourceCommand").f(void 0,sX).ser(aL).de(oM).build(){}class lr extends e5.classBuilder().ep(nS).m(function(e,t,i,n){return[eo(i,this.serialize,this.deserialize),el(i,e.getEndpointParameterInstructions())]}).s("ChimeMessagingService","PutChannelExpirationSettings",{}).n("ChimeSDKMessagingClient","PutChannelExpirationSettingsCommand").f(void 0,void 0).ser(aF).de(oE).build(){}class ls extends 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10dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.DEFAULT_VIDEO_SUBSCRIPTION_LIMIT=void 0;let r=n(i(27316));t.DEFAULT_VIDEO_SUBSCRIPTION_LIMIT=25;class s{constructor(){this.logger=null,this.browserBehavior=null,this.meetingSessionConfiguration=null,this.signalingClient=null,this.peer=null,this.previousSdpOffer=null,this.sdpOfferInit=null,this.audioVideoController=null,this.realtimeController=null,this.videoTileController=null,this.mediaStreamBroker=null,this.activeAudioInput=void 0,this.activeVideoInput=void 0,this.audioMixController=null,this.transceiverController=null,this.encodedTransformWorkerManager=null,this.meetingSessionTimingManager=null,this.indexFrame=null,this.iceCandidates=[],this.iceCandidateHandler=null,this.iceGatheringStateEventHandler=null,this.sdpAnswer=null,this.turnCredentials=null,this.reconnectController=null,this.removableObservers=[],this.audioProfile=null,this.videoStreamIndex=null,this.videoDownlinkBandwidthPolicy=null,this.videoUplinkBandwidthPolicy=null,this.lastKnownVideoAvailability=null,this.videoCaptureAndEncodeParameter=null,this.videosToReceive=null,this.lastVideosToReceive=null,this.videoSubscriptions=null,this.lastVideoSubscriptionConfiguration=new Map,this.videoSubscriptionLimit=t.DEFAULT_VIDEO_SUBSCRIPTION_LIMIT,this.previousSdpAnswerAsString="",this.serverSupportsCompression=!1,this.videoSendCodecPreferences=[],this.currentVideoSendCodec=void 0,this.meetingSupportedVideoSendCodecPreferences=void 0,this.prioritizedSendVideoCodecCapabilities=[],this.degradedVideoSendCodecs=[],this.videosPaused=null,this.videoDuplexMode=null,this.volumeIndicatorAdapter=null,this.statsCollector=null,this.connectionMonitor=null,this.videoInputAttachedTimestampMs=0,this.audioDeviceInformation={},this.videoDeviceInformation={},this.enableSimulcast=!1,this.enableSVC=!1,this.eventController=null,this.signalingOpenDurationMs=null,this.iceGatheringDurationMs=null,this.startAudioVideoT

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10(!r||("get"in r?!t.__esModule:r.writable||r.configurable))&&(r={enumerable:!0,get:function(){return t[i]}}),Object.defineProperty(e,n,r)}:function(e,t,i,n){void 0===n&&(n=i),e[n]=t[i]}),s=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),a=this&&this.__importStar||(n=function(e){return(n=Object.getOwnPropertyNames||function(e){var t=[];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[t.length]=i);return t})(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var i=n(e),a=0;a<i.length;a++)"default"!==i[a]&&r(t,e,i[a]);return s(t,e),t}),o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let d=o(i(28270)),l=o(i(29174)),c=o(i(15566)),u=o(i(12340)),h=o(i(74813)),f=o(i(12790)),m=o(i(31278)),p=i(97937),g=o(i(90176)),v=o(i(69647)),b=o(i(14118)),S=o(i(53652)),y=o(i(67941)),C=o(i(61711)),w=o(i(64446)),T=o(i(16564)),M=o(i(92220)),E=o(i(13382)),A=o(i(1982)),k=o(i(4754)),_=o(i(49160)),P=o(i(51774)),R=a(i(16802)),I=o(i(66485)),O=o(i(83065)),x=i(8283),D=o(i(14162)),B=o(i(87310)),N=o(i(94871)),L=o(i(32709)),F=o(i(84710)),V=o(i(48999)),U=o(i(63985)),z=o(i(68092)),$=o(i(76611)),H=o(i(72655)),j=o(i(74575)),W=o(i(54633)),G=o(i(59879)),K=o(i(67275)),q=o(i(74638)),Q=o(i(69609)),J=o(i(32910)),Y=o(i(87552)),X=o(i(13563)),Z=o(i(72762)),ee=o(i(45065)),et=o(i(12450)),ei=o(i(50949)),en=o(i(99880)),er=o(i(55159)),es=o(i(51112)),ea=o(i(847)),eo=o(i(56446)),ed=o(i(46599)),el=o(i(50615)),ec=i(24670),eu=o(i(10512)),eh=o(i(55725)),ef=i(7472),em=o(i(64891)),ep=o(i(27316)),eg=o(i(35341)),ev=o(i(30481)),eb=o(i(53027)),eS=o(i(48569)),ey=o(i(8459)),eC=o(i(95876)),ew=o(i(84395)),eT=o(i(73646));class eM{constructor(e,t,i,n,r,s,a){this._audioProfile=new c.default,this._timingResolutionObserver=null,this.connectionHealthData=new h.default,this.observerQueue=new Set,this.meetingSessionContext=new eT.default,this.enableSimulcast=!1,this.enableSVC=!1,this.useUpdateTransceiverControllerForUplink=!1,this.startAudioVideoT

10imestamp=0,this.mayNeedRenegotiationForSimulcastLayerChange=!1,this.promotedToPrimaryMeeting=!1,this.hasGetRTCPeerConnectionStatsDeprecationMessageBeenSent=!1,this.receiveIndexTask=void 0,this.monitorTask=void 0,this.receiveRemotePauseResumeTask=void 0,this.destroyed=!1,this._logger=t,this.sessionStateController=new E.default(this._logger),this._configuration=e,this._encodedTransformWorkerManager=a,this._meetingSessionTimingManager=new S.default(t),this._webSocketAdapter=i,this._realtimeController=new w.default(n),this._realtimeController.realtimeSetLocalAttendeeId(e.credentials.attendeeId,e.credentials.externalUserId),this._mediaStreamBroker=n,this._reconnectController=r,this._videoTileController=new eb.default(new eS.default,this,this._logger),this._audioMixController=new l.default(this._logger),this._mediaStreamBroker.addMediaStreamBrokerObserver(this._audioMixController),this.meetingSessionContext.logger=this._logger,this._eventController=s,this.configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers||(new y.default(this.configuration.credentials.attendeeId).hasModality(y.default.MODALITY_CONTENT)&&new u.default().hasChromiumWebRTC()?this.videoSendCodecPreferences=[M.default.av1Main(),M.default.vp9Profile0(),M.default.h264ConstrainedBaselineProfile(),M.default.vp8()]:this.videoSendCodecPreferences=[M.default.vp9Profile0(),M.default.h264ConstrainedBaselineProfile(),M.default.vp8()])}async destroy(){var e;this.observerQueue.clear(),this._mediaStreamBroker.removeMediaStreamBrokerObserver(this._audioMixController),this._meetingSessionTimingManager.removeObserver(this),this._meetingSessionTimingManager.destroy(),null===(e=this._encodedTransformWorkerManager)||void 0===e||e.removeObserver(this),this.destroyed=!0}get configuration(){return this._configuration}get realtimeController(){return this._realtimeController}get activeSpeakerDetector(){return this._activeSpeakerDetector||(this._activeSpeakerDetector=new d.default(this._realtimeController,this._configuration.credentials.attendeeId,this.handleHasBandwidthPriority.bind(this))),this._activeSpeakerDetector}get videoTileController(){return this._videoTileController}get audioMixController(){return this._audioMixController}get logger(){return this._logger}get rtcPeerConnection(){return this.meetingSessionContext&&this.meetingSessionContext.peer||null}get mediaStreamBroker(){return this._mediaStreamBroker}get eventController(){return this._eventController}getRTCPeerConnectionStats(e){return(this.hasGetRTCPeerConnectionStatsDeprecationMessageBeenSent||(this.logger.warn("The `getRTCPeerConnectionStats()` is on its way to be deprecated. It makes an additional call to the `getStats` API and therefore may cause slight performance degradation. Please use the new API `clientMetricReport.getRTCStatsReport()` returned by `metricsDidReceive(clientMetricReport)` callback instead."),this.hasGetRTCPeerConnectionStatsDeprecationMessageBeenSent=!0),this.rtcPeerConnection)?this.rtcPeerConnection.getStats(e):null}setAudioProfile(e){this._audioProfile=e}addObserver(e){this.logger.info("adding meeting observer"),this.observerQueue.add(e)}removeObserver(e){this.logger.info("removing meeting observer"),this.observerQueue.delete(e)}forEachObserver(e){for(let t of this.observerQueue)T.default.nextTick(()=>{this.observerQueue.has(t)&&e(t)})}initSignalingClient(){var e;this.connectionHealthData.reset(),this.meetingSessionContext.signalingClient||(this.meetingSessionContext=new eT.default,this.meetingSessionContext.logger=this.logger,this.meetingSessionContext.eventController=this.eventController,this.meetingSessionContext.browserBehavior=new u.default,this.meetingSessionContext.videoSendCodecPreferences=this.videoSendCodecPreferences,this.meetingSessionContext.audioProfile=this._audioProfile,this.meetingSessionContext.encodedTransformWorkerManager=this._encodedTransformWorkerManager,null===(e=this._encodedTransformWorkerManager)||void 0===e||e.addObserver(this),this.meetingSessionContext.meetingSessionConfiguration=this.configuration,this.meetingSessionContext.signalingClient=new P.default(this._webSocketAdapter,this.logger,this._meetingSessionTimingManager),this._meetingSessionTimingManager.reset(),this.meetingSessionContext.meetingSessionTimingManager=this._meetingSessionTimingManager,this._meetingSessionTimingManager.addObserver(this))}uninstallPreStartObserver(){this.meetingSessionContext.signalingClient.removeObserver(this.preStartObserver),this.preStartObserver=void 0}prestart(){return this.logger.info("Pre-connecting signaling connection."),this.createOrReuseSignalingTask().run().then(()=>{let e=async()=>{this.logger.info("Early connection closed; discarding signaling task."),this.signalingTask=void 0,this.uninstallPreStartObserver()};this.preStartObserver={handleSignalingClientEvent(t){t.type===I.default.WebSocketClosed&&e()}},this.meetingSessionContext.signalingClient.registerObserver(this.preStartObserver)}).catch(e=>{this.logger.error(`Signaling task pre-start failed: ${e}`),this.signalingTask=void 0})}start(e){this.startReturningPromise(e).then(()=>{this.logger.info("start completed")}

10).catch(e=>{this.logger.error(`start failed: ${e}`)})}startReturningPromise(e){return(null==e?void 0:e.signalingOnly)===!0?this.prestart():(this.activeSpeakerDetector,new Promise((e,t)=>{this.sessionStateController.perform(A.default.Connect,()=>{this.actionConnect(!1).then(e).catch(t)})}))}connectWithPromises(e){let t,i;let n=this.meetingSessionContext;this.monitorTask=new j.default(n,this.configuration.connectionHealthPolicyConfiguration,this.connectionHealthData);let r=this.monitorTask.once(),s=new q.default(n).once(),a=new ei.default(n).once();this.receiveIndexTask=new Y.default(n),this.monitorTask.pauseResubscribeCheck(),this.receiveIndexTask.pauseIngestion();let o=new Z.default(this.logger,"Signaling",[this.createOrReuseSignalingTask(),new H.default(n),new X.default(n),new z.default(n),this.receiveIndexTask]).once(),d=new F.default(n).once(o,a),l=new B.default(n).once(d,s),c=new V.default(n).once(l),u=new ee.default(n).once(c),h=new U.default(n).once(u),f=new en.default(n).once(h);return this.receiveRemotePauseResumeTask=new Q.default(n),this.receiveRemotePauseResumeTask.once(f),new Z.default(this.logger,this.wrapTaskName("AudioVideoStart"),[r,(t=this.configuration.connectionTimeoutMs,i=new Z.default(this.logger,"Peer",[f,this.receiveRemotePauseResumeTask,e?new er.default(this.logger,new G.default(this.logger,"FinalizeConnection",[new es.default(n),new et.default(n)]),this.meetingSessionContext.meetingSessionConfiguration.attendeePresenceTimeoutMs):new et.default(n)]),new er.default(this.logger,i,t))])}async actionConnect(e){var t,i,n;this.initSignalingClient(),this.uninstallPreStartObserver(),this.meetingSessionContext.browserBehavior&&await this.meetingSessionContext.browserBehavior.updateWithHighEntropyValues(!0),this.meetingSessionContext.mediaStreamBroker=this._mediaStreamBroker,this.meetingSessionContext.realtimeController=this._realtimeController,this.meetingSessionContext.audioMixController=this._audioMixController,this.meetingSessionContext.audioVideoController=this,this.enableSimulcast=this.configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers&&new u.default().hasChromiumWebRTC(),this.enableSimulcast&&this.configuration.enableSVC&&this.logger.warn("SVC cannot be enabled at the same time as simulcast. Disabling SVC, using simulcast."),this.enableSVC=!this.enableSimulcast&&this.configuration.enableSVC&&new u.default().supportsScalableVideoCoding();let r=!!this.configuration.urls.audioHostURL;if(this._meetingSessionTimingManager.onStart(),r&&(this._meetingSessionTimingManager.onLocalAudioAdded(),this._meetingSessionTimingManager.onRemoteAudioAdded()),r?this.enableSimulcast?(this.logger.info("Using transceiver controller with simulcast support"),new y.default(this.configuration.credentials.attendeeId).hasModality(y.default.MODALITY_CONTENT)?this.meetingSessionContext.transceiverController=new eo.default(this.logger,this.meetingSessionContext.browserBehavior,this.meetingSessionContext,this._encodedTransformWorkerManager):this.meetingSessionContext.transceiverController=new ed.default(this.logger,this.meetingSessionContext.browserBehavior,this.meetingSessionContext,this._encodedTransformWorkerManager)):(this.logger.info("Using default transceiver controller"),this.meetingSessionContext.transceiverController=new ea.default(this.logger,this.meetingSessionContext.browserBehavior,this.meetingSessionContext,this._encodedTransformWorkerManager)):(this.logger.info("Using video only transceiver controller"),this.meetingSessionContext.transceiverController=new el.default(this.logger,this.meetingSessionContext.browserBehavior,this.meetingSessionContext,this._encodedTransformWorkerManager)),this.meetingSessionContext.volumeIndicatorAdapter=new ew.default(this.logger,this._realtimeController,eM.MIN_VOLUME_DECIBELS,eM.MAX_VOLUME_DECIBELS,this.configuration.credentials.attendeeId),this.meetingSessionContext.videoTileController=this._videoTileController,this.meetingSessionContext.videoDownlinkBandwidthPolicy=this.configuration.videoDownlinkBandwidthPolicy,this.meetingSessionContext.videoUplinkBandwidthPolicy=this.configuration.videoUplinkBandwidthPolicy,this.meetingSessionContext.enableSimulcast=this.enableSimulcast,this.meetingSessionContext.enableSVC=this.enableSVC,this.enableSimulcast){let e=this.meetingSessionContext.videoUplinkBandwidthPolicy;e||(e=new ey.default(this.configuration.credentials.attendeeId,this.meetingSessionContext.logger),this.meetingSessionContext.videoUplinkBandwidthPolicy=e),e.addObserver(this),this.meetingSessionContext.videoStreamIndex=new ev.default(this.logger)}else this.meetingSessionContext.enableSimulcast=!1,this.meetingSessionContext.videoStreamIndex=new eg.default(this.logger),this.meetingSessionContext.videoUplinkBandwidthPolicy||(this.meetingSessionContext.videoUplinkBandwidthPolicy=new eC.default(this.configuration.credentials.attendeeId,!this.meetingSessionContext.browserBehavior.disableResolutionScaleDown(),this.meetingSessionContext.logger,this.meetingSessionContext.browserBehavior),this.meetingSessionContext.videoUplinkBandwidthPolicy.setSVCEnabled(this.enableSVC)),this.meetingSessionContext.videoUplinkBandwidthPolicy.setTransceiverController&&this.meetingSessionContext.videoUplinkBandwidthPolicy.updateTransceiverController&&(this.useUpd

10ateTransceiverControllerForUplink=!0,this.meetingSessionContext.videoUplinkBandwidthPolicy.setTransceiverController(this.meetingSessionContext.transceiverController)),this.meetingSessionContext.audioProfile=this._audioProfile;if(this.meetingSessionContext.videoDownlinkBandwidthPolicy||(this.meetingSessionContext.videoDownlinkBandwidthPolicy=this.enableSVC||this.enableSimulcast?new em.default(this.meetingSessionContext.logger):new eh.default(this.configuration.credentials.attendeeId)),new y.default(this.configuration.credentials.attendeeId).hasModality(y.default.MODALITY_CONTENT)){let e=this.configuration.meetingFeatures.contentMaxResolution===m.default.VideoResolutionUHD;e&&this.setVideoMaxBandwidthKbps(2500),this.meetingSessionContext.videoUplinkBandwidthPolicy.setHighResolutionFeatureEnabled(e)}else{let e=this.configuration.meetingFeatures.videoMaxResolution===m.default.VideoResolutionFHD;this.meetingSessionContext.videoUplinkBandwidthPolicy.setHighResolutionFeatureEnabled(e)}this.meetingSessionContext.videoUplinkBandwidthPolicy&&this.maxUplinkBandwidthKbps&&this.meetingSessionContext.videoUplinkBandwidthPolicy.setIdealMaxBandwidthKbps(this.maxUplinkBandwidthKbps),this.meetingSessionContext.videoDownlinkBandwidthPolicy.bindToTileController&&this.meetingSessionContext.videoDownlinkBandwidthPolicy.bindToTileController(this._videoTileController),this.meetingSessionContext.videoDownlinkBandwidthPolicy.setWantsResubscribeObserver&&this.meetingSessionContext.videoDownlinkBandwidthPolicy.setWantsResubscribeObserver(()=>this.update({needsRenegotiation:!1})),this.meetingSessionContext.lastKnownVideoAvailability=new b.default,this.meetingSessionContext.videoCaptureAndEncodeParameter=new eu.default(0,0,0,0,!1),this.meetingSessionContext.videosToReceive=new ep.default,this.meetingSessionContext.videosPaused=new ep.default,this.meetingSessionContext.statsCollector=new D.default(this,this.logger),null===(i=(t=this._mediaStreamBroker).setStatsCollector)||void 0===i||i.call(t,this.meetingSessionContext.statsCollector),this.meetingSessionContext.connectionMonitor=new f.default(this,this._realtimeController,this.connectionHealthData,new C.default(this.meetingSessionContext.signalingClient,eM.PING_PONG_INTERVAL_MS,this.logger),this.meetingSessionContext.statsCollector),this.meetingSessionContext.reconnectController=this._reconnectController,this.meetingSessionContext.videoDeviceInformation={},this._videoTileController.registerVideoTileResolutionObserver(this.meetingSessionContext.statsCollector),this._timingResolutionObserver={videoTileResolutionDidChange:()=>{},videoTileUnbound:(e,t)=>{void 0!==t&&this._meetingSessionTimingManager.onRemoteVideoUnbound(t)},videoTileBound:e=>{this._meetingSessionTimingManager.onRemoteVideoBound(e)},videoTileFirstFrameDidRender:(e,t)=>{this._meetingSessionTimingManager.onRemoteVideoFirstFrameRendered(e,t)}},this._videoTileController.registerVideoTileResolutionObserver(this._timingResolutionObserver),e||(this.meetingSessionContext.retryCount=0,this._reconnectController.reset(),this.startAudioVideoT

10imestamp=Date.now(),this.forEachObserver(e=>{ec.Maybe.of(e.audioVideoDidStartConnecting).map(t=>t.bind(e)(!1))}),null===(n=this.eventController)||void 0===n||n.publishEvent("meetingStartRequested")),this.meetingSessionContext.startAudioVideoTimestamp=this.startAudioVideoTimestamp,this._reconnectController.hasStartedConnectionAttempt()?this._reconnectController.startedConnectionAttempt(!1):this._reconnectController.startedConnectionAttempt(!0);let s=r&&this.meetingSessionContext.meetingSessionConfiguration.attendeePresenceTimeoutMs>0;this.logger.info("Needs to wait for attendee presence? "+s);let a=this.connectWithPromises(s);try{await a.run(),this.connectionHealthData.setConnectionStartTime();let e=new y.default(this.configuration.credentials.attendeeId).hasModality(y.default.MODALITY_CONTENT);this.connectionHealthData.setIsContentShare(e),this._mediaStreamBroker.addMediaStreamBrokerObserver(this),this.sessionStateController.perform(A.default.FinishConnecting,()=>{var e;this.meetingSessionContext.meetingStartDurationMs=Date.now()-this.startAudioVideoT

10imestamp,null===(e=this.eventController)||void 0===e||e.publishEvent("meetingStartSucceeded",(0,p.audioVideoEventAttributesFromState)(this.meetingSessionContext)),this.meetingSessionContext.startTimeMs=Date.now(),this.actionFinishConnecting()})}catch(t){this.signalingTask=void 0;let e=new g.default(this.getMeetingStatusCode(t)||v.default.TaskFailed);if(this.logger.info(`Start failed: ${e} due to error ${t}.`),this.sessionStateController.state()===k.default.NotConnected){this.logger.info("Start failed and not connected. Not cleaning up.");return}this.sessionStateController.perform(A.default.Fail,async()=>{await this.actionDisconnect(e,!0,t),this.handleMeetingSessionStatus(e,t)||this.notifyStop(e,t)})}}createOrReuseSignalingTask(){return this.signalingTask||(this.initSignalingClient(),this.signalingTask=new er.default(this.logger,new W.default(this.meetingSessionContext),this.configuration.connectionTimeoutMs).once()),this.signalingTask}actionFinishConnecting(){this.signalingTask=void 0,this.meetingSessionContext.videoDuplexMode=x.SdkStreamServiceType.RX,this.meetingSessionContext.enableSimulcast||(this.useUpdateTransceiverControllerForUplink?this.meetingSessionContext.videoUplinkBandwidthPolicy.updateTransceiverController():this.enforceBandwidthLimitationForSender(this.meetingSessionContext.videoCaptureAndEncodeParameter.encodeBitrates()[0])),this.meetingSessionContext.isSessionConnected=!0,this.forEachObserver(e=>{ec.Maybe.of(e.audioVideoDidStart).map(t=>t.bind(e)())}),this._reconnectController.reset(),this.receiveIndexTask.resumeIngestion(),this.monitorTask.resumeResubscribeCheck()}stopReturningPromise(){var e;return(this._reconnectController.disableReconnect(),this.sessionStateController.state()===k.default.NotConnected)?(null===(e=this.meetingSessionContext.signalingClient)||void 0===e||e.closeConnection(),this.cleanUpMediaStreamsAfterStop(),Promise.resolve()):new Promise((e,t)=>{this.sessionStateController.perform(A.default.Disconnect,()=>{this.logger.info("attendee left meeting, session will not be reconnected"),this.actionDisconnect(new g.default(v.default.Left),!1,null).then(e).catch(t)})})}stop(){this.stopReturningPromise()}async actionDisconnect(e,t,i){var n;try{await new Z.default(this.logger,this.wrapTaskName("AudioVideoStop"),[new er.default(this.logger,new $.default(this.meetingSessionContext),this.configuration.connectionTimeoutMs)]).run()}catch(e){this.logger.info("fail to stop")}try{let e=[new er.default(this.logger,new L.default(this.meetingSessionContext),this.configuration.connectionTimeoutMs)];this.cleanUpMediaStreamsAfterStop(),await new Z.default(this.logger,this.wrapTaskName("AudioVideoClean"),e).run()}catch(e){this.logger.info("fail to clean")}await (null===(n=this._encodedTransformWorkerManager)||void 0===n?void 0:n.stop()),this.sessionStateController.perform(A.default.FinishDisconnecting,()=>{t||this.notifyStop(e,i)}),this._videoTileController.removeVideoTileResolutionObserver(this.meetingSessionContext.statsCollector),this._timingResolutionObserver&&(this._videoTileController.removeVideoTileResolutionObserver(this._timingResolutionObserver),this._timingResolutionObserver=null)}update(e={needsRenegotiation:!0}){let t=e.needsRenegotiation;if(t||(t=void 0===this.meetingSessionContext.peer),t||(t=!this.updateRemoteVideosFromPolicy()),t||(t=!this.updateLocalVideoFromPolicy()),this.meetingSessionContext.lastVideosToReceive=this.meetingSessionContext.videosToReceive,!t)return this.logger.info("Update request does not require resubscribe"),this.actionFinishUpdating(),!0;this.logger.info("Update request requires resubscribe"),this.updateNumberOfPublishedVideoSources();let i=this.sessionStateController.perform(A.default.Update,()=>{this.actionUpdateWithRenegotiation(!0)});return i===_.default.Transitioned||i===_.default.DeferredTransition}updateNumberOfPublishedVideoSources(){let e=this.configuration.credentials.attendeeId,t=this._videoTileController.hasStartedLocalVideoTile();if(null!==this.meetingSessionContext.videoStreamIndex){let i=this.meetingSessionContext.videoStreamIndex.numberOfVideoPublishingParticipantsExcludingSelf(e)+(t?1:0);this.connectionHealthData.setNumberOfPublishedVideoSources(i)}}updateRemoteVideosFromPolicy(){if(this.meetingSessionContext.videoDownlinkBandwidthPolicy&&void 0!==this.meetingSessionContext.videoDownlinkBandwidthPolicy.getVideoPreferences&&void 0!==this.meetingSessionContext.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption&&!(0,R.serverSideNetworkAdaptionIsNoneOrDefault)(this.meetingSessionContext.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption())){if(!this.sendRemoteVideoUpdate())return!1;if(this.meetingSessionContext.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption()===R.default.BandwidthProbingAndRemoteVideoQualityAdaption)return this.isNotAddingOrRemovingStreams()}return this.updateRemoteVideosIfNotAddingOrRemovingStreams()}updateRemoteVideosIfNotAddingOrRemovingStreams(){let e=this.detectChangesInVideosToReceive();if(void 0===e)return!1;let t=e.added,i=e.simulcastStreamUpdates,n=e.removed,r=this.meetingSessionContext,s=[];for(let[e,t]of i.entries()){let i=new O.default;if(i.streamId=t,i.attendeeId=r.videoStreamIndex.attendeeIdForStreamId(t),i.mid=r.transceiverController.getMidForStreamId(e),void 0===i.mid)return this.logger.info(`No MID found for stream ID ${e}, cannot update stream without renegotiation`),!1;if(s.push(i),r.transceiverController.setStreamIdForMid(i.mid,t),r.videoStreamIndex.overrideStreamIdMappings(e,t),r.videoTileController.haveVideoTileForAttendeeId(i.attendeeId)){let e=r.videoTileController.getVideoTileForAttendeeId(i.attendeeId);if(!e.setStreamId)return!1;e.setStreamId(t)}}return 0!==s.length&&r.signalingClient.remoteVideoUpdate(s,[]),0===t.length&&0===n.length&&(r.videoStreamIndex.remoteVideoUpdateSent(),!0)}detectChangesInVideosToReceive(){let e=this.meetingSessionContext;if(null===e.videosToReceive||!e.transceiverController||!e.transceiverController.getMidForStreamId||!e.transceiverController.setStreamIdForMid||!e.videosToReceive.forEach||!e.signalingClient.remoteVideoUpdate||!e.videoStreamIndex.overrideStreamIdMappings)return;let t=[],i=new Map,n=[];if(null===e.lastVideosToReceive)t=e.videosToReceive.array();else{let r=e.videoStreamIndex;e.videosToReceive.forEach(n=>{if(e.lastVideosToReceive.contain(n))return;let s=!1;

10e.lastVideosToReceive.forEach(e=>{!s&&r.StreamIdsInSameGroup(e,n)&&(i.set(e,n),s=!0)}),s||t.push(n)}),n=e.lastVideosToReceive.array().filter(t=>{let n=e.videosToReceive.contain(t),r=i.has(t);return!n&&!r})}return this.logger.info(`Request to update remote videos with added: [${t}], updated: [${Array.from(i.entries()).map(([e,t])=>`${e}->${t}`).join(",")}], removed: [${n}]`),{added:t,removed:n,simulcastStreamUpdates:i}}isNotAddingOrRemovingStreams(){let e=this.detectChangesInVideosToReceive();if(void 0===e)return!1;let t=e.added,i=e.removed;return 0===t.length&&0===i.length&&(this.meetingSessionContext.videoStreamIndex.remoteVideoUpdateSent(),!0)}sendRemoteVideoUpdate(){let e=this.meetingSessionContext;if(null===e.videosToReceive)return!1;let t=e.videosToReceive.array().map(t=>e.videoStreamIndex.groupIdForStreamId(t));this.receiveRemotePauseResumeTask.updateSubscribedGroupdIds(new Set(t));let i=(0,ef.convertVideoPreferencesToSignalingClientVideoSubscriptionConfiguration)(e,t,e.videoDownlinkBandwidthPolicy.getVideoPreferences()),n=new Map,r=[];for(let t of i){let i=!1;if(e.lastVideoSubscriptionConfiguration.has(t.groupId)){let n=e.lastVideoSubscriptionConfiguration.get(t.groupId);t.equals(n)||(this.logger.debug(`${JSON.stringify(t)} does not equal ${JSON.stringify(n)}, sending update`),i=!0)}else i=!0;n.set(t.groupId,t),i&&r.push(t)}e.lastVideoSubscriptionConfiguration=n;let s=[];if(null!==e.lastVideosToReceive){let i=new Set(t);for(let t of e.lastVideosToReceive.array()){let n=e.videoStreamIndex.groupIdForStreamId(t);if(!i.has(n)){let t=e.transceiverController.getMidForGroupId(n);if(void 0===t){e.logger.warn(`Could not find MID for group ID to remove: ${n}`);continue}s.push(t)}}}return(0!==r.length||0!==s.length)&&e.signalingClient.remoteVideoUpdate(r,s),!0}updateLocalVideoFromPolicy(){if(this.meetingSessionContext.enableSimulcast){let e=this.meetingSessionContext.videoUplinkBandwidthPolicy.chooseEncodingParameters();if(this.mayNeedRenegotiationForSimulcastLayerChange&&this.meetingSessionContext.transceiverController.hasVideoInput()&&!this.negotiatedBitrateLayersAllocationRtpHeaderExtension())return this.logger.info("Needs regenotiation for local video simulcast layer change"),this.mayNeedRenegotiationForSimulcastLayerChange=!1,!1;this.meetingSessionContext.transceiverController.setEncodingParameters(e)}else this.meetingSessionContext.videoCaptureAndEncodeParameter=this.meetingSessionContext.videoUplinkBandwidthPolicy.chooseCaptureAndEncodeParameters();return this.logger.info("Updated local video from policy without renegotiation"),!0}negotiatedBitrateLayersAllocationRtpHeaderExtension(){if(!this.meetingSessionContext.transceiverController.localVideoTransceiver())return!1;let e=this.meetingSessionContext.transceiverController.localVideoTransceiver().sender.getParameters();return!!e&&!!e.headerExtensions&&e.headerExtensions.some(e=>"http://www.webrtc.org/experiments/rtp-hdrext/video-layers-allocation00"===e.uri)}restartLocalVideo(e){let t=async()=>{this._videoTileController.hasStartedLocalVideoTile()&&(this.logger.info("stopping local video tile prior to local video restart"),this._videoTileController.stopLocalVideoTile(),this.logger.info("preparing local video restart update"),await this.actionUpdateWithRenegotiation(!1),this.logger.info("starting local video tile for local video restart"),this._videoTileController.startLocalVideoTile()),this.logger.info("finalizing local video restart update"),await this.actionUpdateWithRenegotiation(!0),e()},i=this.sessionStateController.perform(A.default.Update,()=>{t()});return i===_.default.Transitioned||i===_.default.DeferredTransition}async replaceLocalVideo(e){if(!e||e.getVideoTracks().length<1)throw Error("could not acquire video track");if(!this.meetingSessionContext||!this.meetingSessionContext.peer)throw Error("no active meeting and peer connection");let t=this.meetingSessionContext.videoTileController.getLocalVideoTile();if(t){let i=t.state(),n=e.getVideoTracks()[0].getSettings();t.bindVideoStream(i.boundAttendeeId,!0,e,n.width,n.height,i.streamId,i.boundExternalUserId)}await this.meetingSessionContext.transceiverController.setVideoInput(e.getVideoTracks()[0]),this.meetingSessionContext.activeVideoInput=e,this.logger.info("Local video input is updated")}async replaceLocalAudio(e){if(!e||e.getAudioTracks().length<1)throw Error("could not acquire audio track");if(!this.meetingSessionContext||!this.meetingSessionContext.peer)throw Error("no active meeting and peer connection");if(this.connectionHealthData.reset(),this.connectionHealthData.setConnectionStartTime(),!await this.meetingSessionContext.transceiverController.replaceAudioTrack(e.getAudioTracks()[0]))throw Error("Failed to replace audio track");this.meetingSessionContext.activeAudioInput=e,this.logger.info("Local audio input is updated")}async actionUpdateWithRenegotiation(e){this.monitorTask.pauseResubscribeCheck(),this.receiveIndexTask.pauseIngestion();try{await new Z.default(this.logger,this.wrapTaskName("AudioVideoUpdate"),[new J.default(this.meetingSessionContext),new er.default(this.logger,new Z.default(this.logger,"UpdateSession",[new B.default(this.meetingSessionContext),new V.default(this.meetingSessionContext),new ee.default(this.meetingSessionContext),new U.default(this.meetingSessionContext),new en.default(this.meetingSessionContext),new et.default(this.meetingSessionContext)]),this.configuration.connectionTimeoutMs)]).run(),e&&this.sessionStateController.perform(A.default.FinishUpdating,()=>{this.actionFinishUpdating()})}catch(e){this.sessionStateController.perform(A.default.FinishUpdating,()=>{let t=new g.default(this.getMeetingStatusCode(e)||v.default.TaskFailed);t.statusCode()!==v.default.IncompatibleSDP&&this.logger.info("failed to update audio-video session"),this.handleMeetingSessionStatus(t,e)})}}notifyStop(e,t){var i;if(this.forEachObserver(t=>{ec.Maybe.of(t.audioVideoDidStop).map(i=>i.bind(t)(e))}),this.eventController){let n={...(0,p.audioVideoEventAttributesFromState)(this.meetingSessionContext),meetingStatus:v.default[e.statusCode()]},r=t&&t.message||(null===(i=e.toString)||void 0===i?void 0:i.call(e))||"";null===this.meetingSessionContext.startTimeMs?(n.meetingErrorMessage=r,delete n.meetingDurationMs,delete n.attendeePresenceDurationMs,delete n.meetingStartDurationMs,this.eventController.publishEvent("meetingStartFailed",n)):e.isFailure()||e.isAudioConnectionFailure()?(n.meetingErrorMessage=r,this.eventController.publishEvent("meetingFailed",n)):this.eventController.publishEvent("meetingEnded",n)}}actionFinishUpdating(){if(!this.meetingSessionContext.enableSimulcast){if(this.useUpd

10ateTransceiverControllerForUplink)this.meetingSessionContext.videoUplinkBandwidthPolicy.updateTransceiverController();else{let e=this.meetingSessionContext.videoCaptureAndEncodeParameter.encodeBitrates()[0];this.enforceBandwidthLimitationForSender(e)}}this.monitorTask.resumeResubscribeCheck(),this.receiveIndexTask.resumeIngestion(),this.logger.info("updated audio-video session")}reconnect(e,t){this.promotedToPrimaryMeeting&&(this.promotedToPrimaryMeeting=!1,this.forEachObserver(e=>{ec.Maybe.of(e.audioVideoWasDemotedFromPrimaryMeeting).map(t=>t.bind(e)(new g.default(v.default.AudioVideoDisconnectedWhilePromoted)))}));let i=this._reconnectController.retryWithBackoff(async()=>{this.sessionStateController.state()===k.default.NotConnected?this.sessionStateController.perform(A.default.Connect,()=>{this.actionConnect(!0)}):this.sessionStateController.perform(A.default.Reconnect,()=>{this.actionReconnect(e)}),this.meetingSessionContext.retryCount+=1},()=>{this.logger.info("canceled retry")});return i||this.sessionStateController.perform(A.default.Fail,()=>{this.actionDisconnect(e,!1,t)}),i}async actionReconnect(e){this._reconnectController.hasStartedConnectionAttempt()||(this._reconnectController.startedConnectionAttempt(!1),this.forEachObserver(e=>{ec.Maybe.of(e.audioVideoDidStartConnecting).map(t=>t.bind(e)(!0))})),this.meetingSessionContext.volumeIndicatorAdapter.onReconnect(),this.connectionHealthData.reset(),this.receiveRemotePauseResumeTask=new Q.default(this.meetingSessionContext);try{await new Z.default(this.logger,this.wrapTaskName("AudioVideoReconnect"),[new er.default(this.logger,new Z.default(this.logger,"Media",[new N.default(this.meetingSessionContext),new Z.default(this.logger,"Signaling",[new W.default(this.meetingSessionContext),new z.default(this.meetingSessionContext)]),new F.default(this.meetingSessionContext)]),this.configuration.connectionTimeoutMs),new J.default(this.meetingSessionContext),new er.default(this.logger,new Z.default(this.logger,"UpdateSession",[new B.default(this.meetingSessionContext),new V.default(this.meetingSessionContext),new ee.default(this.meetingSessionContext),new U.default(this.meetingSessionContext),new en.default(this.meetingSessionContext),new et.default(this.meetingSessionContext),this.receiveRemotePauseResumeTask]),this.configuration.connectionTimeoutMs)]).run(),this.sessionStateController.perform(A.default.FinishConnecting,()=>{var t;null===(t=this.eventController)||void 0===t||t.publishEvent("meetingReconnected",{...(0,p.audioVideoEventAttributesFromState)(this.meetingSessionContext),meetingStatus:v.default[e.statusCode()]}),this.actionFinishConnecting()})}catch(e){this.sessionStateController.perform(A.default.FinishConnecting,()=>{this.logger.info("failed to reconnect audio-video session");let t=new g.default(this.getMeetingStatusCode(e)||v.default.TaskFailed);this.handleMeetingSessionStatus(t,e)})}this.connectionHealthData.setConnectionStartTime()}wrapTaskName(e){return`${e}/${this.configuration.meetingId}/${this.configuration.credentials.attendeeId}`}cleanUpMediaStreamsAfterStop(){this._mediaStreamBroker.removeMediaStreamBrokerObserver(this),this.meetingSessionContext.activeAudioInput=void 0,this.meetingSessionContext.activeVideoInput=void 0}getMeetingStatusCode(e){let t=/the meeting status code: (\d+)/.exec(e&&e.message);return t&&t.length>1?Number.parseInt(t[1],10):null}async enforceBandwidthLimitationForSender(e){await this.meetingSessionContext.transceiverController.setVideoSendingBitrateKbps(e)}handleMeetingSessionStatus(e,t){if(this.logger.info(`handling status: ${v.default[e.statusCode()]}`),!e.isTerminal()&&this.meetingSessionContext.statsCollector&&this.meetingSessionContext.statsCollector.logMeetingSessionStatus(e),e.statusCode()===v.default.IncompatibleSDP)return this.restartLocalVideo(()=>{this.logger.info("handled incompatible SDP by attempting to restart video")}),!0;if(e.statusCode()===v.default.VideoCallSwitchToViewOnly)return this._videoTileController.removeLocalVideoTile(),this.forEachObserver(e=>{ec.Maybe.of(e.videoSendDidBecomeUnavailable).map(t=>t.bind(e)())}),!1;if(e.statusCode()===v.default.AudioVideoWasRemovedFromPrimaryMeeting)return this.forEachObserver(t=>{ec.Maybe.of(t.audioVideoWasDemotedFromPrimaryMeeting).map(i=>i.bind(t)(e))}),!1;if(e.isTerminal()&&(this.logger.error("session will not be reconnected"),this.meetingSessionContext.reconnectController&&this.meetingSessionContext.reconnectController.disableReconnect()),(e.isFailure()||e.isTerminal())&&this.meetingSessionContext.reconnectController){let i=this.reconnect(e,t);return i?this.logger.warn(`The audio video controller will reconnect due to status code ${v.default[e.statusCode()]}${t?` and error: ${t.message}`:""}`):this.logger.error(`The audio video controller failed with status code ${v.default[e.statusCode()]}${t?` and error: ${t.message}`:""}`),i}return!1}setVideoMaxBandwidthKbps(e){if(e<=0)throw Error("Max bandwidth kbps has to be greater than 0");this.meetingSessionContext&&this.meetingSessionContext.videoUplinkBandwidthPolicy&&(this.logger.info(`video send has 

10ideal max bandwidth ${e} kbps`),this.meetingSessionContext.videoUplinkBandwidthPolicy.setIdealMaxBandwidthKbps(e)),this.maxUplinkBandwidthKbps=e}async handleHasBandwidthPriority(e){if(this.meetingSessionContext&&this.meetingSessionContext.videoUplinkBandwidthPolicy&&!this.meetingSessionContext.enableSimulcast){if(this.useUpdateTransceiverControllerForUplink){this.meetingSessionContext.videoUplinkBandwidthPolicy.setHasBandwidthPriority(e),await this.meetingSessionContext.videoUplinkBandwidthPolicy.updateTransceiverController();return}let t=this.meetingSessionContext.videoUplinkBandwidthPolicy.maxBandwidthKbps();this.meetingSessionContext.videoUplinkBandwidthPolicy.setHasBandwidthPriority(e);let i=this.meetingSessionContext.videoUplinkBandwidthPolicy.maxBandwidthKbps();t!==i&&(this.logger.info(`video send bandwidth priority ${e} max has changed from ${t} kbps to ${i} kbps`),await this.enforceBandwidthLimitationForSender(i))}}pauseReceivingStream(e){this.meetingSessionContext&&this.meetingSessionContext.signalingClient&&this.meetingSessionContext.signalingClient.pause([e])}resumeReceivingStream(e){this.meetingSessionContext&&this.meetingSessionContext.signalingClient&&this.meetingSessionContext.signalingClient.resume([e])}setVideoCodecSendPreferences(e){this.videoSendCodecPreferences=e,this.meetingSessionContext.videoSendCodecPreferences=e,this.sessionStateController.state()!==k.default.NotConnected&&this.update({needsRenegotiation:!0})}getRemoteVideoSources(){let{videoStreamIndex:e}=this.meetingSessionContext;if(!e)return this.logger.info("meeting has not started"),[];let t=this.configuration.credentials.attendeeId;return e.allVideoSendingSourcesExcludingSelf(t)}encodingSimulcastLayersDidChange(e){this.mayNeedRenegotiationForSimulcastLayerChange=!0,this.forEachObserver(t=>{ec.Maybe.of(t.encodingSimulcastLayersDidChange).map(i=>i.bind(t)(e))})}promoteToPrimaryMeeting(e){return this.actionPromoteToPrimaryMeeting(e)}async actionPromoteToPrimaryMeeting(e){let t=new g.default(v.default.SignalingRequestFailed);return await new Z.default(this.logger,this.wrapTaskName("PromoteToPrimaryMeeting"),[new er.default(this.logger,new K.default(this.meetingSessionContext,e,e=>{t=e}),this.configuration.connectionTimeoutMs)]).run(),this.promotedToPrimaryMeeting=t.statusCode()===v.default.OK,t}demoteFromPrimaryMeeting(){this.meetingSessionContext.signalingClient.demoteFromPrimaryMeeting(),this.forEachObserver(e=>{ec.Maybe.of(e.audioVideoWasDemotedFromPrimaryMeeting).map(t=>t.bind(e)(new g.default(v.default.OK)))})}async videoInputDidChange(e){if(this.logger.info("Receive a video input change event"),!this.meetingSessionContext||!this.meetingSessionContext.peer){this.logger.info("Skip updating video input because there is no active meeting and peer connection");return}this._videoTileController.hasStartedLocalVideoTile()&&(e?await this.replaceLocalVideo(e):this._videoTileController.stopLocalVideoTile())}async audioInputDidChange(e){if(this.logger.info("Receive an audio input change event"),!this.meetingSessionContext||!this.meetingSessionContext.peer){this.logger.info("Skip updating audio input because there is no active meeting and peer connection");return}if(!e)try{e=await this.mediaStreamBroker.acquireAudioInputStream()}catch(e){this.logger.error("Could not acquire audio track from mediaStreamBroker");return}await this.replaceLocalAudio(e)}onEncodedTransformWorkerManagerFailed(e){if(this.logger.error(`Encoded transform worker failed: ${e.message}`),this.sessionStateController.state()!==k.default.Connected){this.logger.info("Skipping reconnect for worker failure - session not connected");return}let t=new g.default(v.default.EncodedTransformManagerFailed);this.reconnect(t,e)}onFirstPacketReceived(e,t,i,n){var r,s;if("audio"===e)"receive"===t?this._meetingSessionTimingManager.onRemoteAudioFirstPacketReceived(n):"send"===t&&this._meetingSessionTimingManager.onLocalAudioFirstPacketSent(n);else if("video"===e){if("receive"===t){let e=null===(r=this.meetingSessionContext.videoStreamIndex)||void 0===r?void 0:r.streamIdForSSRC(i);if(void 0===e){this.logger.warn(`Received first video packet but no stream ID found for ssrc=${i}`);return}let t=null===(s=this.meetingSessionContext.videoStreamIndex)||void 0===s?void 0:s.groupIdForStreamId(e);if(void 0===t){this.logger.warn(`Received first video packet but no group ID found for streamId=${e} ssrc=${i}`);return}this.logger.debug(`Received first video packet for groupId=${t} ssrc=${i}`),this._meetingSessionTimingManager.onRemoteVideoFirstPacketReceived(t,n)}else"send"===t&&this._meetingSessionTimingManager.onLocalVideoFirstFrameSent(n)}}onMeetingSessionTimingReady(e){if(!this.meetingSessionContext.signalingClient){this.logger.warn("Timing data ready but signaling client is not available, discarding");return}this.meetingSessionContext.signalingClient.sendMeetingSessionTiming(e)}}eM.MIN_VOLUME_DECIBELS=-42,eM.MAX_VOLUME_DECIBELS=-14,eM.PING_PONG_INTERVAL_MS=1e4,t.default=eM},18173:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

10dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(4494)),s=n(i(75499)),a=n(i(50495)),o=n(i(87617)),d=n(i(63170)),l=n(i(69461)),c=n(i(90176)),u=n(i(69647)),h=n(i(60692)),f=n(i(80409)),m=n(i(92979)),p=n(i(63629));class g extends p.default{constructor(e){let t=new d.default;t.meetingId="",t.externalMeetingId="",t.credentials=new l.default,t.credentials.attendeeId="",t.credentials.joinToken="",t.urls=new h.default,t.urls.turnControlURL="",t.urls.audioHostURL="",t.urls.signalingURL="wss://localhost/";let i=new a.default;super(e||t,i,new m.default(new a.default),new o.default,new f.default(0,new r.default(0,0,0)),new s.default(e||t,i))}setAudioProfile(e){}start(){}stop(){}promoteToPrimaryMeeting(e){return Promise.resolve(new c.default(u.default.OK))}demoteFromPrimaryMeeting(){}}t.default=g},7924:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});let n=i(88295);class r{constructor(e,t,i,n,r,s){this.audioVideoController=e,this.videoTileController=t,this.realtimeController=i,this.audioMixController=n,this.deviceController=r,this.contentShareController=s}addObserver(e){this.audioVideoController.addObserver(e),this.trace("addObserver")}removeObserver(e){this.audioVideoController.removeObserver(e),this.trace("removeObserver")}setAudioProfile(e){this.trace("setAudioProfile",e),this.audioVideoController.setAudioProfile(e)}start(e){this.audioVideoController.start(e),this.trace("start")}stop(){this.audioVideoController.stop(),this.trace("stop")}getRTCPeerConnectionStats(e){return this.trace("getRTCPeerConnectionStats",e?e.id:null),this.audioVideoController.getRTCPeerConnectionStats(e)}bindAudioElement(e){let t=this.audioMixController.bindAudioElement(e);return this.trace("bindAudioElement",e.id,t),t}unbindAudioElement(){this.audioMixController.unbindAudioElement(),this.trace("unbindAudioElement")}getCurrentMeetingAudioStream(){return this.trace("getCurrentConferenceStream"),this.audioMixController.getCurrentMeetingAudioStream()}addAudioMixObserver(e){this.trace("addAudioMixObserver"),this.audioMixController.addAudioMixObserver(e)}removeAudioMixObserver(e){this.trace("removeAudioMixObserver"),this.audioMixController.removeAudioMixObserver(e)}bindVideoElement(e,t){this.videoTileController.bindVideoElement(e,t),this.trace("bindVideoElement",{tileId:e,videoElementId:t.id})}unbindVideoElement(e,t=!0){this.videoTileController.unbindVideoElement(e,t),this.trace("unbindVideoElement",{tileId:e,cleanUpVideoElement:t})}startLocalVideoTile(){let e=this.videoTileController.startLocalVideoTile();return this.trace("startLocalVideoTile",null,e),e}stopLocalVideoTile(){this.videoTileController.stopLocalVideoTile(),this.trace("stopLocalVideoTile")}hasStartedLocalVideoTile(){let e=this.videoTileController.hasStartedLocalVideoTile();return this.trace("hasStartedLocalVideoTile",null,e),e}removeLocalVideoTile(){this.videoTileController.removeLocalVideoTile(),this.trace("removeLocalVideoTile")}getLocalVideoTile(){let e=this.videoTileController.getLocalVideoTile();return this.trace("getLocalVideoTile"),e}pauseVideoTile(e){this.videoTileController.pauseVideoTile(e),this.trace("pauseVideoTile",e)}unpauseVideoTile(e){this.videoTileController.unpauseVideoTile(e),this.trace("unpauseVideoTile",e)}getVideoTile(e){let t=this.videoTileController.getVideoTile(e);return this.trace("getVideoTile",e),t}getAllRemoteVideoTiles(){let e=this.videoTileController.getAllRemoteVideoTiles();return this.trace("getAllRemoteVideoTiles"),e}getAllVideoTiles(){let e=this.videoTileController.getAllVideoTiles();return this.trace("getAllVideoTiles"),e}addVideoTile(){let e=this.videoTileController.addVideoTile();return this.trace("addVideoTile",null,e.state()),e}removeVideoTile(e){this.videoTileController.removeVideoTile(e),this.trace("removeVideoTile",e)}removeVideoTilesByAttendeeId(e){let t=this.videoTileController.removeVideoTilesByAttendeeId(e);return this.trace("removeVideoTilesByAttendeeId",e,t),t}removeAllVideoTiles(){this.videoTileController.removeAllVideoTiles(),this.trace("removeAllVideoTiles")}captureVideoTile(e){let t=this.videoTileController.captureVideoTile(e);

10return this.trace("captureVideoTile",e),t}realtimeSubscribeToAttendeeIdPresence(e){this.realtimeController.realtimeSubscribeToAttendeeIdPresence(e),this.trace("realtimeSubscribeToAttendeeIdPresence")}realtimeUnsubscribeToAttendeeIdPresence(e){this.realtimeController.realtimeUnsubscribeToAttendeeIdPresence(e),this.trace("realtimeUnsubscribeToAttendeeIdPresence")}realtimeSetCanUnmuteLocalAudio(e){this.realtimeController.realtimeSetCanUnmuteLocalAudio(e),this.trace("realtimeSetCanUnmuteLocalAudio",e)}realtimeSubscribeToSetCanUnmuteLocalAudio(e){this.realtimeController.realtimeSubscribeToSetCanUnmuteLocalAudio(e),this.trace("realtimeSubscribeToSetCanUnmuteLocalAudio")}realtimeUnsubscribeToSetCanUnmuteLocalAudio(e){this.realtimeController.realtimeUnsubscribeToSetCanUnmuteLocalAudio(e),this.trace("realtimeUnsubscribeToSetCanUnmuteLocalAudio")}realtimeCanUnmuteLocalAudio(){let e=this.realtimeController.realtimeCanUnmuteLocalAudio();return this.trace("realtimeCanUnmuteLocalAudio",null,e),e}realtimeMuteLocalAudio(){this.realtimeController.realtimeMuteLocalAudio(),this.trace("realtimeMuteLocalAudio")}realtimeUnmuteLocalAudio(){let e=this.realtimeController.realtimeUnmuteLocalAudio();return this.trace("realtimeUnmuteLocalAudio"),e}realtimeSubscribeToMuteAndUnmuteLocalAudio(e){this.realtimeController.realtimeSubscribeToMuteAndUnmuteLocalAudio(e),this.trace("realtimeSubscribeToMuteAndUnmuteLocalAudio")}realtimeUnsubscribeToMuteAndUnmuteLocalAudio(e){this.realtimeController.realtimeUnsubscribeToMuteAndUnmuteLocalAudio(e),this.trace("realtimeUnsubscribeToMuteAndUnmuteLocalAudio")}realtimeIsLocalAudioMuted(){let e=this.realtimeController.realtimeIsLocalAudioMuted();return this.trace("realtimeIsLocalAudioMuted"),e}realtimeSubscribeToVolumeIndicator(e,t){this.realtimeController.realtimeSubscribeToVolumeIndicator(e,t),this.trace("realtimeSubscribeToVolumeIndicator",e)}realtimeUnsubscribeFromVolumeIndicator(e,t){this.realtimeController.realtimeUnsubscribeFromVolumeIndicator(e,t),this.trace("realtimeUnsubscribeFromVolumeIndicator",e,t)}realtimeSubscribeToLocalSignalStrengthChange(e){this.realtimeController.realtimeSubscribeToLocalSignalStrengthChange(e),this.trace("realtimeSubscribeToLocalSignalStrengthChange")}realtimeUnsubscribeToLocalSignalStrengthChange(e){this.realtimeController.realtimeUnsubscribeToLocalSignalStrengthChange(e),this.trace("realtimeUnsubscribeToLocalSignalStrengthChange")}realtimeSendDataMessage(e,t,i){this.realtimeController.realtimeSendDataMessage(e,t,i),this.trace("realtimeSendDataMessage")}realtimeSubscribeToReceiveDataMessage(e,t){this.realtimeController.realtimeSubscribeToReceiveDataMessage(e,t),this.trace("realtimeSubscribeToReceiveDataMessage")}realtimeUnsubscribeFromReceiveDataMessage(e){this.realtimeController.realtimeUnsubscribeFromReceiveDataMessage(e),this.trace("realtimeUnsubscribeFromReceiveDataMessage")}realtimeSubscribeToFatalError(e){this.realtimeController.realtimeSubscribeToFatalError(e),this.trace("realtimeSubscribeToFatalError")}realtimeUnsubscribeToFatalError(e){this.realtimeController.realtimeUnsubscribeToFatalError(e),this.trace("realtimeUnsubscribeToFatalError")}subscribeToActiveSpeakerDetector(e,t,i,n){this.audioVideoController.activeSpeakerDetector.subscribe(e,t,i,n),this.trace("subscribeToActiveSpeakerDetector")}unsubscribeFromActiveSpeakerDetector(e){this.audioVideoController.activeSpeakerDetector.unsubscribe(e),this.trace("unsubscribeFromActiveSpeakerDetector")}async listAudioInputDevices(e=!1){let t=await this.deviceController.listAudioInputDevices(e);return this.trace("listAudioInputDevices",e,t),t}async listVideoInputDevices(e=!1){let t=await this.deviceController.listVideoInputDevices(e);return this.trace("listVideoInputDevices",e,t),t}async listAudioOutputDevices(e=!1){let t=await this.deviceController.listAudioOutputDevices(e);return this.trace("listAudioOutputDevices",e,t),t}async startAudioInput(e){return this.trace("startAudioInput",e),this.deviceController.startAudioInput(e)}async stopAudioInput(){return this.trace("stopAudioInput"),this.deviceController.stopAudioInput()}async startVideoInput(e){return(0,n.isVideoTransformDevice)(e)?this.trace("startVideoInput with transform device"):this.trace("startVideoInput",e),this.deviceController.startVideoInput(e)}async stopVideoInput(){return this.trace("stopVideoInput"),this.deviceController.stopVideoInput()}chooseAudioOutput(e){let t=this.deviceController.chooseAudioOutput(e);return this.trace("chooseAudioOutput",e),t}addDeviceChangeObserver(e){this.deviceController.addDeviceChangeObserver(e),this.trace("addDeviceChangeObserver")}removeDeviceChangeObserver(e){this.deviceController.removeDeviceChangeObserver(e),this.trace("removeDeviceChangeObserver")}createAnalyserNodeForAudioInput(){let e=this.deviceController.createAnalyserNodeForAudioInput();return this.trace("createAnalyserNodeForAudioInput"),e}startVideoPreviewForVideoInput(e){this.deviceController.startVideoPreviewForVideoInput(e),this.trace("startVideoPreviewForVideoInput",e.id)}stopVideoPreviewForVideoInput(e){this.deviceController.stopVideoPreviewForVideoInput(e),this.trace("stopVideoPreviewForVideoInput",e.id)}setDeviceLabelTrigger(e){this.deviceController.setDeviceLabelTrigger(e),this.trace("setDeviceLabelTrigger")}mixIntoAudioInput(e){let t=this.deviceController.mixIntoAudioInput(e);return this.trace("mixIntoAudioInput",e.id),t}chooseVideoInputQuality(e,t,i){this.deviceController.chooseVideoInputQuality(e,t,i),this.trace("chooseVideoInputQuality",{width:e,height:t,frameRate:i})}setVideoMaxBandwidthKbps(e){this.audioVideoController.setVideoMaxBandwidthKbps(e),this.trace("setVideoMaxBandwidthKbps",e)}setVideoCodecSendPreferences(e){this.audioVideoController.setVideoCodecSendPreferences(e),this.trace("setVideoCodecSendPreferences",e)}getVideoInputQualitySettings(){let e=this.deviceController.getVideoInputQualitySettings();return this.trace("getVideoInputQualitySettings"),e}setContentAudioProfile(e){this.trace("setContentAudioProfile",e),this.contentShareController.setContentAudioProfile(e)}enableSimulcastForContentShare(e,t){this.trace("enableSimulcastForContentShare"),this.contentShareController.enableSimulcastForContentShare(e,t)}enableSVCForContentShare(e){this.trace("enableSVCForContentShare"),this.contentShareController.enableSVCForContentShare(e)}startContentShare(e){let t=this.contentShareController.startContentShare(e);return this.trace("startContentShare"),t}startContentShareFromScreenCapture(e,t){let i=this.contentShareController.startContentShareFromScreenCapture(e,t);return this.trace("startContentShareFromScreenCapture"),i}pauseContentShare(){this.contentShareController.pauseContentShare(),this.trace("pauseContentShare")}unpauseContentShare(){this.contentShareController.unpauseContentShare(),this.trace("unpauseContentShare")}stopContentShare(){this.contentShareController.stopContentShare(),this.trace("stopContentShare")}addContentShareObserver(e){this.contentShareController.addContentShareObserver(e),this.trace("addContentShareObserver")}

10removeContentShareObserver(e){this.contentShareController.removeContentShareObserver(e),this.trace("removeContentShareObserver")}setContentShareVideoCodecPreferences(e){this.contentShareController.setContentShareVideoCodecPreferences(e),this.trace("setContentShareVideoCodecPreferences")}trace(e,t,i){let n=this.audioVideoController.configuration.meetingId,r=this.audioVideoController.configuration.credentials.attendeeId,s=`API/DefaultAudioVideoFacade/${n}/${r}/${e}`;void 0!==t&&(s+=` ${JSON.stringify(t)}`),void 0!==i&&(s+=` -> ${JSON.stringify(i)}`),this.audioVideoController.logger.info(s)}getRemoteVideoSources(){let e=this.audioVideoController.getRemoteVideoSources();return this.trace("getRemoteVideoSources",null,e),e}get transcriptionController(){return this.realtimeController.transcriptionController}promoteToPrimaryMeeting(e){this.audioVideoController.removeObserver(this),this.audioVideoController.addObserver(this);let t=this.audioVideoController.promoteToPrimaryMeeting(e);return this.trace("promoteToPrimaryMeeting",null,t),t}demoteFromPrimaryMeeting(){this.trace("demoteFromPrimaryMeeting"),this.audioVideoController.demoteFromPrimaryMeeting()}audioVideoWasDemotedFromPrimaryMeeting(e){this.contentShareController.stopContentShare(),this.audioVideoController.removeObserver(this)}}t.default=r},49438:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(42340)),s=i(7754);class a extends r.default{constructor(e,t){super(e,t),this.blurCanvas=document.createElement("canvas"),this.blurCanvasCtx=this.blurCanvas.getContext("2d"),this.blurCanvas.width=this.spec.model.input.width,this.blurCanvas.height=this.spec.model.input.height,this.logger.info("Backgroun

10dBlur processor using builtin blur")}drawImageWithMask(e,t){let i=this.blurredImage,{canvasCtx:n,targetCanvas:r}=this,{width:s,height:a}=r;if(!t||!i){n.clearRect(0,0,s,a);return}this.scaledCanvas.getContext("2d").putImageData(t,0,0),this.blurCanvasCtx.putImageData(this.blurredImage,0,0),n.save(),n.clearRect(0,0,s,a),n.drawImage(this.scaledCanvas,0,0,s,a),n.globalCompositeOperation="source-in",n.drawImage(e,0,0,s,a),n.globalCompositeOperation="destination-over",n.drawImage(this.blurCanvas,0,0,s,a),n.restore()}setBlurStrength(e){if(super.setBlurStrength(e),this.worker){this.modelInitialized=!1,this.worker.postMessage({msg:"destroy"});let e=this.spec.model;this.worker.postMessage({msg:"loadModel",payload:{modelUrl:e.path,inputHeight:e.input.height,inputWidth:e.input.width,inputChannels:4,modelRangeMin:e.input.range[0],modelRangeMax:e.input.range[1],blurPixels:this.blurAmount}})}}setBlurPixels(){this.blurAmount=s.BlurStrengthMapper.getBlurAmount(this._blurStrength,{height:540}),this.logger.info(`background blur amount set to ${this.blurAmount}`)}handleInitialize(e){if(this.logger.info(`received initialize message: ${this.stringify(e)}`),!e.payload){this.logger.error("failed to initialize module"),this.initWorkerPromise.reject(Error("failed to initialize the module"));return}let t=this.spec.model;this.worker.postMessage({msg:"loadModel",payload:{modelUrl:t.path,inputHeight:t.input.height,inputWidth:t.input.width,inputChannels:4,modelRangeMin:t.input.range[0],modelRangeMax:t.input.range[1],blurPixels:this.blurAmount}}),this.initWorkerPromise.resolve({})}handlePredict(e){this.blurredImage=e.payload.blurOutput,super.handlePredict(e)}async destroy(){var e;super.destroy(),null===(e=this.blurCanvas)||void 0===e||e.remove(),this.blurCanvas=void 0}}t.default=a},42340:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(5853)),s=i(7754),a=n(i(49293));class o extends r.default{validateOptions(e){if(super.validateOptions(e),!e.blurStrength)throw Error("processor has null options - blurStrength")}constructor(e,t){super("background blur",e,t,new a.default),this.blurAmount=0,this.setBlurStrength(t.blurStrength),this.logger.info("Backgroun

10dBlur processor successfully created"),this.logger.info(`BackgroundBlur spec: ${this.stringify(this.spec)}`),this.logger.info(`BackgroundBlur options: { blurStrength: ${t.blurStrength}, filterCPUUtilization: ${t.filterCPUUtilization}, reportingPeriodMillis: ${t.reportingPeriodMillis}}`)}initOnFirstExecution(){this.setBlurPixels()}drawImageWithMask(e,t){t||(t=new ImageData(this.spec.model.input.width,this.spec.model.input.height)),this.scaledCanvas.getContext("2d").putImageData(t,0,0);let{canvasCtx:i,targetCanvas:n}=this,{width:r,height:s}=n;i.save(),i.clearRect(0,0,r,s),i.drawImage(this.scaledCanvas,0,0,r,s),i.globalCompositeOperation="source-in",i.drawImage(e,0,0,r,s),i.globalCompositeOperation="destination-over",i.filter=`blur(${this.blurAmount}px)`,i.drawImage(e,0,0,n.width,n.height),i.restore()}setBlurStrength(e){this._blurStrength=e,this.logger.info(`blur strength set to ${this._blurStrength}`),this.setBlurPixels()}setBlurPixels(){this.blurAmount=s.BlurStrengthMapper.getBlurAmount(this._blurStrength,{height:this.sourceHeight}),this.logger.info(`background blur amount set to ${this.blurAmount}`)}addObserver(e){this.delegate.addObserver(e)}removeObserver(e){this.delegate.removeObserver(e)}static async isSupported(){let e=document.createElement("canvas"),t=void 0!==e.getContext("2d").filter;return e.remove(),t}setEventController(e){this.eventController?this.eventController=e:(this.eventController=e,this.publishBackgroundFilterEvent())}publishBackgroundFilterEvent(){let e={backgroundBlurEnabled:"true",backgroundBlurStrength:this._blurStrength,backgroundReplacementEnabled:"false",backgroundFilterVersion:1};this.eventController.publishEvent("backgroundFilterConfigSelected",e)}}t.default=o},7754:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.BlurStrengthMapper=void 0;class i{static getBlurAmount(e,t){if(e<=0)throw Error(`invalid value for blur strength: ${e}`);return Math.round(e*t.height/this.BLUR_STRENGTH_DIVISOR)}}t.BlurStrengthMapper=i,i.BLUR_STRENGTH_DIVISOR=540,t.default={LOW:7,MEDIUM:15,HIGH:30}},48562:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(21238)),s=n(i(87594)),a=n(i(94618)),o=n(i(66642)),d=n(i(49438)),l=n(i(42340)),c=n(i(7754));class u extends o.default{setBlurStrength(){}async loadAssets(){}addObserver(){}removeObserver(){}}class h extends r.default{static async create(e,t){let i;e=h.resolveSpec(e);let{logger:n}=t=h.resolveOptions(t),r=await h.isSupported(e,t);return(n.info(`processor is ${r?"":"not"} supported`),r)?(await l.default.isSupported()?(n.info("Using browser-provided background blur"),i=new l.default(e,t)):(n.info("Using built-in background blur"),i=new d.default(e,t)),await i.loadAssets(),i):(n.warn("Using no-op processor because background blur is not supported"),new u)}static resolveOptions(e={}){let t={...e};return t.blurStrength||(t.blurStrength=c.default.MEDIUM),t.logger||(t.logger=new s.default("BackgroundBlurProcessor",a.default.INFO)),t=super.resolveOptions(t)}static isSupported(e,t){return e=h.resolveSpec(e),t=h.resolveOptions(t),super.isSupported(e,t)}}t.default=h},49293:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(94383));class s extends r.default{}t.default=s},50838:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.path=null,this.input=null,this.output=null}static builder(){return new i}withDefaultModel(){return this.withSelfieSegmentationDefaults()}withSelfieSegmentationDefaults(){return this.path="https://static.sdkassets.chime.aws/bgblur/models/selfie_segmentation_landscape.tflite",this.input={height:144,width:256,range:[0,1],channels:3},this.output={height:144,width:256,range:[0,1],channels:1},this}withPath(e){return this.path=e,this}withInput(e){return this.input=e,this}withOutput(e){return this.output=e,this}validate(){if(!this.path)throw Error("model spec path is not set");if(!this.input)throw Error("model spec input is not set");if(!this.output)throw Error("model spec output is not set")}build(){return this.validate(),{path:this.path,input:this.input,output:this.output}}}t.default=i},57765:function(e,t){"use strict";

10Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i,n){this.delegate=e,this.reportingPeriodMillis=t,this.filterCPUUtilization=i,this.logger=n,this._processingFilter=!0,this.lastReportedEventTimestamp=0,this.lastFilterCompleteTimestamp=0,this.filterTotalMillis=0,this.filterCount=0,this.framerate=0,this.filterDurationNotifyMillis=0,this.setSegmentationDuration()}reportEvent(e){let t=e-this.lastReportedEventTimestamp;if(t>=this.reportingPeriodMillis){let i=this.filterCount,n=this.filterTotalMillis;if(this.filterCount=0,this.filterTotalMillis=0,this.lastReportedEventTimestamp=e,0===this.framerate||0===i)return;let r=Math.round(n/i),s=Math.round(this.framerate*(t/1e3))-i,a=Math.round(100*n/t);r>=this.filterDurationNotifyMillis&&this.delegate.filterFrameDurationHigh({framesDropped:s,avgFilterDurationMillis:r,framerate:this.framerate,periodMillis:t}),a>=this.filterCPUUtilization&&this.delegate.filterCPUUtilizationHigh({cpuUtilization:a,filterMillis:n,periodMillis:t})}}setSegmentationDuration(){this.filterDurationNotifyMillis=Math.round(1e3/this.framerate*.8)}frameReceived(e){e!==this.framerate&&(this.framerate=e,this.logger.info(`frame counter setting frame rate to ${this.framerate}`),this.setSegmentationDuration());let t=Date.now();this.reportEvent(t)}filterSubmitted(){this._processingFilter=!0,this.lastFilterCompleteTimestamp=Date.now()}filterComplete(){this.filterTotalMillis+=Date.now()-this.lastFilterCompleteTimestamp,this._processingFilter=!1,this.filterCount++}get processingSegment(){return this._processingFilter}}t.default=i},5853:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.BackgroundFilterMonitor=void 0;let r=i(35908),s=n(i(16445)),a=n(i(57765));class o{constructor(){this.value=void 0,this.resolve=null}whenNext(){return this.promise||(this.promise=new Promise(e=>this.resolve=e)),this.promise}next(e){this.value=e,this.resolve(e),delete this.promise}}class d{static createWorkerPromise(){let e={resolve:null,reject:null,promise:null};return e.promise=new Promise((t,i)=>{e.resolve=t,e.reject=i}),e}validateSpec(e){if(!e)throw Error("processor has null spec");if(!e.model)throw Error("processor spec has null model");if(!e.paths)throw Error("processor spec has null paths")}validateOptions(e){if(!e)throw Error("processor has null options");if(!e.logger)throw Error("processor has null options - logger");if(!e.reportingPeriodMillis)throw Error("processor has null options - reportingPeriodMillis");if(!e.filterCPUUtilization)throw Error("processor has null options - filterCPUUtilization")}constructor(e,t,i,n,r){this.targetCanvas=document.createElement("canvas"),this.canvasCtx=this.targetCanvas.getContext("2d"),this.canvasVideoFrameBuffer=new s.default(this.targetCanvas),this.mask$=new o,this.sourceWidth=0,this.sourceHeight=0,this.frameNumber=0,this.videoFramesPerFilterUpdate=1,this.initWorkerPromise=d.createWorkerPromise(),this.loadModelPromise=d.createWorkerPromise(),this.modelInitialized=!1,this.destroyed=!1,this.filterType=e,this.validateSpec(t),this.validateOptions(i),this.spec=t,this.logger=i.logger,this.delegate=n,this.initCPUMonitor(i),this.eventController=r}initCPUMonitor(e){this.videoFramesPerFilterUpdate=1,this.frameCounter=new a.default(this.delegate,e.reportingPeriodMillis,e.filterCPUUtilization,this.logger),this.cpuMonitor=new l(5e3,{reduceCPUUtilization:()=>{this.updateVideoFramesPerFilterUpdate(Math.min(this.videoFramesPerFilterUpdate+1,10))},increaseCPUUtilization:()=>{this.updateVideoFramesPerFilterUpdate(Math.max(this.videoFramesPerFilterUpdate-1,1))}}),this.delegate.addObserver(this.cpuMonitor)}stringify(e){return JSON.stringify(e,null,2)}handleInitialize(e){if(this.logger.info(`received initialize message: ${this.stringify(e)}`),!e.payload){this.logger.error("failed to initialize module"),this.initWorkerPromise.reject(Error("failed to initialize the module"));return}let t=this.spec.model;this.worker.postMessage({msg:"loadModel",payload:{modelUrl:t.path,inputHeight:t.input.height,inputWidth:t.input.width,inputChannels:4,modelRangeMin:t.input.range[0],modelRangeMax:t.input.range[1],blurPixels:0}}),this.initWorkerPromise.resolve({})}handleLoadModel(e){if(this.logger.info(`received load model message: ${this.stringify(e)}`),2!==e.payload){this.logger.error("failed to load model! status: "+e.payload),this.loadModelPromise.reject(Error("failed to load model! status: "+e.payload));return}this.modelInitialized=!0,this.loadModelPromise.resolve({})}handlePredict(e){this.mask$.next(e.payload.output)}handleWorkerEvent(e){let t=e.data;switch(t.msg){case"initialize":this.handleInitialize(t);break;case"loadModel":this.handleLoadModel(t);break;case"predict":this.handlePredict(t);break;default:this.logger.info(`unexpected event msg: ${this.stringify(t)}`)}}async loadAssets(){this.logger.info("start initializing the processor");try{this.worker=await (0,r.loadWorker)(this.spec.paths.worker,"Backgroun

10dFilterWorker",{},null),this.worker.addEventListener("message",e=>this.handleWorkerEvent(e)),this.worker.postMessage({msg:"initialize",payload:{wasmPath:this.spec.paths.wasm,simdPath:this.spec.paths.simd}}),await this.initWorkerPromise.promise,this.logger.info(`successfully initialized the ${this.filterType} worker`),await this.loadModelPromise.promise,this.logger.info(`successfully loaded ${this.filterType} worker segmentation model`)}catch(e){throw Error(`could not initialize the ${this.filterType} video frame processor due to '${e.message}'`)}this.logger.info(`successfully initialized the ${this.filterType} processor`)}async process(e){if(this.destroyed)return e;this.frameCounter.frameReceived(e[0].framerate),this.cpuMonitor.frameReceived();let t=e[0].asCanvasElement();if(!t)return e;if(!this.modelInitialized)return e[0]=this.canvasVideoFrameBuffer,e;let i=t.width,n=t.height;if(0===i||0===n)return e;0===this.sourceWidth&&(this.sourceWidth=i,this.sourceHeight=n,this.targetCanvas.width=this.sourceWidth,this.targetCanvas.height=this.sourceHeight,this.logger.info(`${this.filterType} source width: ${this.sourceWidth}`),this.logger.info(`${this.filterType} source height: ${this.sourceHeight}`),this.initOnFirstExecution()),(this.sourceWidth!==i||this.sourceHeight!==n)&&(this.sourceWidth=i,this.sourceHeight=n,this.targetCanvas.width=this.sourceWidth,this.targetCanvas.height=this.sourceHeight);try{this.frameCounter.filterSubmitted();let e=this.mask$.value,i=this.spec.model.input.width/t.width,n=this.spec.model.input.height/t.height;void 0===this.scaledCanvas&&(this.scaledCanvas=document.createElement("canvas"),this.scaledCanvas.width=this.spec.model.input.width,this.scaledCanvas.height=this.spec.model.input.height);let r=this.scaledCanvas.getContext("2d");r.save(),r.scale(i,n),r.drawImage(t,0,0),r.restore();let s=r.getImageData(0,0,this.scaledCanvas.width,this.scaledCanvas.height);if(this.frameNumber%this.videoFramesPerFilterUpdate==0){let t=this.mask$.whenNext();this.worker.postMessage({msg:"predict",payload:s},[s.data.buffer]),e=await t}this.destroyed||this.drawImageWithMask(t,e)}catch(t){return this.logger.error(`could not process ${this.filterType} frame buffer due to ${t}`),e}finally{this.frameCounter.filterComplete(),this.frameNumber++}return e[0]=this.canvasVideoFrameBuffer,e}updateVideoFramesPerFilterUpdate(e){e!==this.videoFramesPerFilterUpdate&&(this.videoFramesPerFilterUpdate=e,this.logger.info(`Adjusting filter rate to compensate for CPU utilization. Filter rate is ${this.videoFramesPerFilterUpdate} video frames per filter.`))}async destroy(){var e,t,i,n;this.destroyed=!0,this.delegate.removeObserver(this.cpuMonitor),this.canvasVideoFrameBuffer.destroy(),null===(e=this.worker)||void 0===e||e.postMessage({msg:"destroy"}),null===(t=this.worker)||void 0===t||t.postMessage({msg:"stop"}),null===(i=this.targetCanvas)||void 0===i||i.remove(),this.targetCanvas=void 0,null===(n=this.scaledCanvas)||void 0===n||n.remove(),this.scaledCanvas=void 0,this.logger.info(`${this.filterType} frame process destroyed`)}}t.default=d;class l{constructor(e,t){this.monitoringPeriodMillis=e,this.observer=t,this.lastCPUChangeTimestamp=0}filterCPUUtilizationHigh(){let e=Date.now();e-this.lastCPUChangeTimestamp>=this.monitoringPeriodMillis&&(this.lastCPUChangeTimestamp=e,this.observer.reduceCPUUtilization())}frameReceived(){let e=Date.now();e-this.lastCPUChangeTimestamp>=2*this.monitoringPeriodMillis&&(this.lastCPUChangeTimestamp=e,this.observer.increaseCPUUtilization())}}t.BackgroundFilterMonitor=l},21238:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(35908),s=i(30589),a=n(i(50838)),o=n(i(12340)),d=n(i(61492)),l=()=>a.default.builder().withSelfieSegmentationDefaults().build(),c="https://static.sdkassets.chime.aws",u={worker:`${c}/bgblur/workers/worker.js`,wasm:`${c}/bgblur/wasm/_cwt-wasm.wasm`,simd:`${c}/bgblur/wasm/_cwt-wasm-simd.wasm`};class h{static defaultAssetSpec(){let e=d.default.sdkVersionSemVer;return{assetGroup:`sdk-${e.major}.${e.minor}`}}static createUrlWithParams(e,t){let i=new URL(e);for(let e of Object.keys(t))void 0!==t[e]&&i.searchParams.set(e,t[e]);return i.toString()}static resolveSpec(e){let{paths:t=u,model:i=l(),assetGroup:n=this.defaultAssetSpec().assetGroup,revisionID:r=this.defaultAssetSpec().revisionID}=e||{}

10,s={assetGroup:n,revisionID:r,sdk:encodeURIComponent(d.default.sdkVersion),ua:encodeURIComponent(d.default.sdkUserAgentLowResolution)};return t.worker=this.createUrlWithParams(t.worker,s),t.wasm=this.createUrlWithParams(t.wasm,s),t.simd=this.createUrlWithParams(t.simd,s),i.path=this.createUrlWithParams(i.path,s),{paths:t,model:i,assetGroup:n,revisionID:r}}static resolveOptions(e){return e.reportingPeriodMillis||(e.reportingPeriodMillis=1e3),e.filterCPUUtilization?(e.filterCPUUtilization<0||e.filterCPUUtilization>100)&&(e.logger.warn("filterCPUUtilization must be set to a range between 0 and 100 percent. Falling back to default of 30 percent"),e.filterCPUUtilization=30):e.filterCPUUtilization=30,e}static isSupported(e,t){let{logger:i}=t;return"undefined"==typeof globalThis?(i.info("Browser does not have globalThis."),Promise.resolve(!1)):new o.default().supportsBackgroundFilter()?(0,s.supportsWASM)(globalThis,i)?this.supportsBackgroundFilter(globalThis,e,i):(i.info("Browser does not support WASM."),Promise.resolve(!1)):(i.info("Browser is not supported."),Promise.resolve(!1))}static async supportsBackgroundFilter(e=globalThis,t,i){if(!(0,s.supportsWorker)(e,i))return i.info("Browser does not support web workers."),!1;let n=t.paths.worker;try{let e=await (0,r.loadWorker)(n,"BackgroundFilterWorker",{},null);try{e.terminate()}catch(e){i.info(`Failed to terminate worker. ${e.message}`)}return!0}catch(e){return i.info(`Failed to fetch and instantiate test worker ${e.message}`),!1}}}t.default=h},94383:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.observers=new Set}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}filterFrameDurationHigh(e){var t;for(let i of this.observers)null===(t=i.filterFrameDurationHigh)||void 0===t||t.call(i,e)}filterCPUUtilizationHigh(e){var t;for(let i of this.observers)null===(t=i.filterCPUUtilizationHigh)||void 0===t||t.call(i,e)}}t.default=i},84414:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(5853)),s=n(i(35303));class a extends r.default{constructor(e,t){super("background replacement",e,t,new s.default),this.replacementBlob=t.imageBlob,this.logger.info("Backgroun

10dReplacement processor successfully created"),this.logger.info(`BackgroundReplacement spec: ${this.stringify(this.spec)}`),this.logger.info(`BackgroundReplacement options: { filterCPUUtilization: ${t.filterCPUUtilization}, reportingPeriodMillis: ${t.reportingPeriodMillis}}`)}async setImageBlob(e){this.replacementBlob=e,this.replacementImage=await a.loadImage(this.createReplacementObjectUrl())}initOnFirstExecution(){}drawImageWithMask(e,t){t||(t=new ImageData(this.spec.model.input.width,this.spec.model.input.height)),this.scaledCanvas.getContext("2d").putImageData(t,0,0);let{canvasCtx:i,targetCanvas:n}=this,{width:r,height:s}=n;i.save(),i.clearRect(0,0,r,s),i.drawImage(this.scaledCanvas,0,0,r,s),i.globalCompositeOperation="source-in",i.drawImage(e,0,0,r,s),i.globalCompositeOperation="destination-over",i.drawImage(this.replacementImage,0,0,n.width,n.height),i.restore()}static loadImageExecutor(e,t,i){let n=new Image;n.crossOrigin="Anonymous",n.addEventListener("load",()=>{e(n)},!1),n.addEventListener("error",e=>{t(Error(`Could not load replacement image ${n.src}: ${e.message}`))},!1),n.src=i}static async loadImage(e){return new Promise((t,i)=>this.loadImageExecutor(t,i,e))}revokeReplacementObjectUrl(){this.replacementObjectUrl&&URL.revokeObjectURL(this.replacementObjectUrl)}createReplacementObjectUrl(){return this.revokeReplacementObjectUrl(),this.replacementObjectUrl=URL.createObjectURL(this.replacementBlob),this.replacementObjectUrl}async loadAssets(){this.replacementImage=await a.loadImage(this.createReplacementObjectUrl()),super.loadAssets()}addObserver(e){this.delegate.addObserver(e)}removeObserver(e){this.delegate.removeObserver(e)}async destroy(){super.destroy(),this.revokeReplacementObjectUrl()}setEventController(e){this.eventController?this.eventController=e:(this.eventController=e,this.publishBackgroundFilterEvent())}publishBackgroundFilterEvent(){this.eventController.publishEvent("backgroundFilterConfigSelected",{backgroundBlurEnabled:"false",backgroundBlurStrength:"low",backgroundReplacementEnabled:"true",backgroundFilterVersion:1})}}t.default=a},82226:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(21238)),s=n(i(87594)),a=n(i(94618)),o=n(i(66642)),d=n(i(84414));class l extends o.default{async loadAssets(){}addObserver(){}removeObserver(){}async setImageBlob(){}}class c extends r.default{static async create(e,t){e=this.resolveSpec(e),t=this.resolveOptions(t),await this.resolveOptionsAsync(t);let{logger:i}=t;if(!await c.isSupported(e,t))return i.warn("Using no-op processor because background replacement is not supported"),new l;i.info("Using background replacement filter");let n=new d.default(e,t);return await n.loadAssets(),n}static resolveOptions(e={}){let t={...e};return t.logger||(t.logger=new s.default("BackgroundReplacementProcessor",a.default.INFO)),super.resolveOptions(t)}static async resolveOptionsAsync(e){if(!e.imageBlob){let t=document.createElement("canvas");t.width=100,t.height=100;let i=t.getContext("2d");i.fillStyle="blue",i.fillRect(0,0,100,100);let n=await new Promise(e=>{t.toBlob(e)});e.imageBlob=n}}static async isSupported(e,t){e=this.resolveSpec(e),t=this.resolveOptions(t),await this.resolveOptionsAsync(t);let i=t.imageBlob,n=URL.createObjectURL(i);try{await d.default.loadImage(n)}catch(e){return t.logger.info(`Failed to fetch load replacement image ${e.message}`),!1}finally{URL.revokeObjectURL(n)}return super.isSupported(e,t)}}t.default=c},35303:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(94383));class s extends r.default{}t.default=s},28379:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(61492));class s{constructor(e){this.logger=e,this.loadPromise=null}async load(){return window.BackgroundSegmentationProcessor?(this.logger.info("[Backgroun

10dSegmentationAssetLoader] BackgroundSegmentationVideoFrameProcessor already loaded, skipping"),0):(this.loadPromise||(this.loadPromise=this.doLoad().catch(e=>{throw this.loadPromise=null,e})),this.loadPromise)}async doLoad(){let e=new URL("https://static.sdkassets.chime.aws/background_segmentation/otherassets/background-segmentation-processor.js"),t=r.default.sdkVersionSemVer;e.searchParams.set("sdkVersion",`sdk-${t.major}.${t.minor}`);let i=e.toString();this.logger.info(`[BackgroundSegmentationAssetLoader] Loading CDN asset from ${i}`);let n=performance.now();await new Promise((e,t)=>{let n=document.createElement("script");n.src=i,n.crossOrigin="anonymous",n.onload=()=>{e()},n.onerror=()=>{n.remove(),t(Error(`Failed to load processor script: ${i}`))},document.head.appendChild(n)});let s=performance.now()-n;if(!window.BackgroundSegmentationProcessor)throw this.logger.error("[BackgroundSegmentationAssetLoader] BackgroundSegmentationVideoFrameProcessor not found on window object"),Error("Processor script loaded but BackgroundSegmentationVideoFrameProcessor not found on window");return this.logger.info(`[BackgroundSegmentationAssetLoader] CDN asset loading completed successfully in ${s.toFixed(2)}ms`),s}}t.default=s},62478:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{static checkCompatibility(e){let t=Object.entries({webgl2:this.hasWebGL2Support(e),webWorkers:this.hasWebWorkerSupport(),webAssembly:this.hasWebAssemblySupport(),offscreenCanvas:this.hasOffscreenCanvasSupport(e)}).filter(([e,t])=>!t).map(([e,t])=>e),i=0===t.length;return e.info(`[BackgroundSegmentationCompatibilityChecker] Compatibility: ${i}, missing: [${t.join(", ")}]`),{isCompatible:i,missingFeatures:t}}static hasWebGL2Support(e){try{let e=document.createElement("canvas").getContext("webgl2"),t=null!==e;if(t){let t=e.getExtension("WEBGL_lose_context");t&&t.loseContext()}return t}catch(t){return e.error(`[BackgroundSegmentationCompatibilityChecker] WebGL2 check error: ${t}`),!1}}static hasWebWorkerSupport(){return"undefined"!=typeof Worker}static hasWebAssemblySupport(){return"undefined"!=typeof WebAssembly}static hasOffscreenCanvasSupport(e){if("undefined"!=typeof OffscreenCanvas)try{let e=new OffscreenCanvas(1,1).getContext("2d");return null!==e}catch(t){e.warn(`[BackgroundSegmentationCompatibilityChecker] OffscreenCanvas instantiation error: ${t}`)}return!1}}t.default=i},43781:function(e,t){"use strict";var i,n,r,s,a,o;Object.defineProperty(t,"__esModule",{value:!0}

10),t.ModelType=t.BlurStrength=t.ProcessorEffect=void 0,(s=i||(t.ProcessorEffect=i={})).BLUR="blur",s.IMAGE_REPLACEMENT="image-replacement",s.COLOR_REPLACEMENT="color-replacement",(a=n||(t.BlurStrength=n={})).NONE="none",a.LOW="low",a.MEDIUM="medium",a.HIGH="high",(o=r||(t.ModelType=r={})).SELFIE_GENERAL="selfie_general",o.SELFIE_MULTICLASS="selfie_multiclass"},98846:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.BackgroundSegmentationInitializationStatus=void 0,(n=i||(t.BackgroundSegmentationInitializationStatus=i={}))[n.SUCCESS=0]="SUCCESS",n[n.ASSET_LOADING_FAILURE=1]="ASSET_LOADING_FAILURE",n[n.COMPATIBILITY_FAILURE=2]="COMPATIBILITY_FAILURE",n[n.PROCESSOR_CREATION_FAILURE=3]="PROCESSOR_CREATION_FAILURE";class r{constructor(e,t){this.logger=e,this.bufferedMetrics=[],this._initializationStatus=i.SUCCESS,this.metricsCollector=t}setMetricsCollector(e){this.metricsCollector=e,this.flushBufferedMetrics()}flushBufferedMetrics(){if(0===this.bufferedMetrics.length)return;this.logger.info(`[BackgroundSegmentationMetrics] Flushing ${this.bufferedMetrics.length} buffered metrics`);let e=[...this.bufferedMetrics];this.bufferedMetrics=[],e.forEach(e=>{this.sendToCollector(e)})}reportCompatibilityCheck(e){e||(this._initializationStatus=i.COMPATIBILITY_FAILURE)}reportAssetLoadingResult(e,t){e&&this._initializationStatus===i.SUCCESS&&(this._initializationStatus=i.ASSET_LOADING_FAILURE),this._assetLoadingTimeMs=t}reportProcessorError(){this._initializationStatus===i.SUCCESS&&(this._initializationStatus=i.PROCESSOR_CREATION_FAILURE)}emitInitializationMetrics(){let e={initializationStatus:this._initializationStatus,assetLoadingTimeMs:this._assetLoadingTimeMs};this.sendToCollector(e)}reportProcessorMetrics(e){if(this.metricsCollector)try{this.metricsCollector.backgroundSegmentationProcessorMetricsDidReceive(e)}catch(e){this.logger.warn(`[BackgroundSegmentationMetrics] Failed to send processor metrics to collector: ${e}`)}}sendToCollector(e){if(!this.metricsCollector){this.bufferedMetrics.length>=r.MAX_BUFFERED_METRICS&&this.bufferedMetrics.shift(),this.bufferedMetrics.push(e);return}try{this.metricsCollector.backgroundSegmentationInitializationMetricsDidReceive(e)}catch(e){this.logger.warn(`[BackgroundSegmentationMetrics] Failed to send initialization metric to collector: ${e}`)}}}r.MAX_BUFFERED_METRICS=100,t.default=r},27956:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(28379)),s=n(i(62478)),a=i(43781),o=n(i(98846));class d{constructor(e,t,i,n){this.logger=e,this.cdnProcessor=t,this.metrics=i,this.eventController=n}static async create(e,t,i=a.ModelType.SELFIE_GENERAL,n,l,c){let u=new o.default(e,c);e.info(`[BackgroundSegmentationVideoFrameProcessor] Creating processor: model=${i}, effect=${t.type}`);let h=s.default.checkCompatibility(e);if(u.reportCompatibilityCheck(h.isCompatible),!h.isCompatible)return e.warn(`[BackgroundSegmentationVideoFrameProcessor] Browser not compatible, missing: [${h.missingFeatures.join(", ")}]`),u.reportAssetLoadingResult(`Missing features: ${h.missingFeatures.join(", ")}`),d.publishFilterFailedEvent(l,"compatibility-check-failed",`Missing features: ${h.missingFeatures.join(", ")}`).catch(t=>e.error(`[BackgroundSegmentationVideoFrameProcessor] Failed to publish error event: ${t}`)),u.emitInitializationMetrics(),new d(e,null,u,l);let f=navigator.deviceMemory,m=navigator.hardwareConcurrency;e.info(`[BackgroundSegmentationVideoFrameProcessor] Device resources: memory=${f||"unknown"}GB, cores=${m||"unknown"}`);try{let t=new r.default(e),i=await t.load();e.info(`[BackgroundSegmentationVideoFrameProcessor] CDN assets loaded in ${i.toFixed(2)}ms`),u.reportAssetLoadingResult(void 0,i)}catch(i){let t=i instanceof Error?i.message:String(i);return e.error(`[BackgroundSegmentationVideoFrameProcessor] ✗ Failed to load CDN assets: ${t}`),u.reportAssetLoadingResult(t),d.publishFilterFailedEvent(l,"cdn-loading-failed",t).catch(t=>e.error(`[BackgroundSegmentationVideoFrameProcessor] Failed to publish error event: ${t}

10`)),e.warn("[BackgroundSegmentationVideoFrameProcessor] Falling back to no-op processor"),u.emitInitializationMetrics(),new d(e,null,u,l)}try{let r=window.BackgroundSegmentationProcessor;if(!r)throw Error("Processor script loaded but BackgroundSegmentationProcessor not found on window");let s=await r.create(t,i,n);e.info(`[BackgroundSegmentationVideoFrameProcessor] ✓ Successfully created BackgroundSegmentationProcessor from CDN`);let a=new d(e,s,u,l);return a.subscribeToProcessorMetrics(),l&&await a.publishProcessorConfigEvent("backgroundFilterStarted",t),u.emitInitializationMetrics(),a}catch(i){let t=i instanceof Error?i.message:String(i);return e.error(`[BackgroundSegmentationVideoFrameProcessor] ✗ Failed to create BackgroundSegmentationProcessor: ${t}`),u.reportProcessorError(),d.publishFilterFailedEvent(l,"processor-creation-failed",t).catch(t=>e.error(`[BackgroundSegmentationVideoFrameProcessor] Failed to publish error event: ${t}`)),e.warn("[BackgroundSegmentationVideoFrameProcessor] Falling back to no-op processor"),u.emitInitializationMetrics(),new d(e,null,u,l)}}async process(e){if(!this.cdnProcessor)return e;try{return await this.cdnProcessor.process(e)}catch(i){let t=i instanceof Error?i.message:String(i);return this.logger.error(`[BackgroundSegmentationVideoFrameProcessor] Processing error: ${t}`),e}}async destroy(){if(this.cdnProcessor)try{await this.cdnProcessor.destroy()}finally{this.cdnProcessor=null}}getConfig(){var e;return null===(e=this.cdnProcessor)||void 0===e?void 0:e.getConfig()}setConfig(e){if(this.cdnProcessor)try{this.cdnProcessor.setConfig(e),this.eventController&&this.publishProcessorConfigEvent("backgroundFilterConfigSelected",e).catch(e=>this.logger.error(`[BackgroundSegmentationVideoFrameProcessor] Failed to publish config changed event: ${e}`))}catch(t){let e=t instanceof Error?t.message:String(t);this.logger.error(`[BackgroundSegmentationVideoFrameProcessor] setConfig error: ${e}`)}}getModelType(){var e;return null===(e=this.cdnProcessor)||void 0===e?void 0:e.getModelType()}setModelType(e){this.cdnProcessor&&this.cdnProcessor.setModelType(e)}getMaxCPUUsagePercentage(){var e;return null===(e=this.cdnProcessor)||void 0===e?void 0:e.getMaxCPUUsagePercentage()}setMaxCPUUsagePercentage(e){var t;null===(t=this.cdnProcessor)||void 0===t||t.setMaxCPUUsagePercentage(e)}setEventController(e){if(this.eventController=e,this.cdnProcessor){let e=this.getConfig();e&&this.publishProcessorConfigEvent("backgroundFilterStarted",e).catch(e=>this.logger.error(`[BackgroundSegmentationVideoFrameProcessor] Failed to publish started event: ${e}`))}}setMetricsCollector(e){this.metrics.setMetricsCollector(e)}subscribeToProcessorMetrics(){this.cdnProcessor&&"function"==typeof this.cdnProcessor.addMetricsObserver&&this.cdnProcessor.addMetricsObserver({metricsDidReceive:e=>{var t,i,n,r,s,a,o,d,l;let c={segmentationDurationMs:null!==(t=e.segmentationDurationMs)&&void 0!==t?t:0,effectRenderDurationMs:null!==(i=e.effectRenderDurationMs)&&void 0!==i?i:0,framesPerSegmentation:null!==(n=e.framesPerSegmentation)&&void 0!==n?n:0,framesSubmitted:null!==(r=e.framesSubmitted)&&void 0!==r?r:0,framesSegmented:null!==(s=e.framesSegmented)&&void 0!==s?s:0,estimatedCPUUsagePercentage:null!==(a=e.estimatedCPUUsagePercentage)&&void 0!==a?a:0,modelType:String(null!==(o=e.modelType)&&void 0!==o?o:"unknown"),delegateType:String(null!==(d=e.delegateType)&&void 0!==d?d:"unknown"),errorCount:null!==(l=e.errorCount)&&void 0!==l?l:0};void 0!==e.initializationDurationMs&&(c.initializationDurationMs=e.initializationDurationMs),void 0!==e.initializationFailure&&(c.initializationFailure=e.initializationFailure),this.metrics.reportProcessorMetrics(c)}})}async publishProcessorConfigEvent(e,t){if(!this.eventController)return;

10let i={backgroundBlurEnabled:(t.type===a.ProcessorEffect.BLUR).toString(),backgroundBlurStrength:t.type===a.ProcessorEffect.BLUR?this.getConfig().blurStrength:a.BlurStrength.NONE,backgroundReplacementEnabled:(t.type===a.ProcessorEffect.IMAGE_REPLACEMENT||t.type===a.ProcessorEffect.COLOR_REPLACEMENT).toString(),backgroundFilterVersion:3,backgroundFilterModelType:this.getModelType(),backgroundFilterEffectType:t.type};await this.eventController.publishEvent(e,i)}static async publishFilterFailedEvent(e,t,i){e&&await e.publishEvent("backgroundFilterFailed",{backgroundFilterVersion:3,backgroundFilterErrorType:t,backgroundFilterErrorMessage:i})}}t.default=d},4494:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i){this.fixedWaitMs=e,this.shortBackoffMs=t,this.longBackoffMs=i,this.currentRetry=0,this.fixedWaitMs<0&&(this.fixedWaitMs=0),this.shortBackoffMs<0&&(this.shortBackoffMs=0),this.longBackoffMs<0&&(this.longBackoffMs=0),this.reset()}reset(){this.currentRetry=0}nextBackoffAmountMs(){let e=Math.random()*Math.min(this.longBackoffMs,this.shortBackoffMs*Math.pow(2,this.currentRetry))+this.fixedWaitMs;return this.currentRetry+=1,e}}t.default=i},1571:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(4494)),s=n(i(56985));class a{constructor(e,t,i){this.fixedWaitMs=e,this.shortBackoffMs=t,this.longBackoffMs=i}create(){return new r.default(this.fixedWaitMs,this.shortBackoffMs,this.longBackoffMs)}createWithLimit(e){return new s.default(this.fixedWaitMs,this.shortBackoffMs,this.longBackoffMs,e)}}t.default=a},56985:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(4494));class s extends r.default{constructor(e,t,i,n){super(e,t,i),this.limit=n,this.attempts=0}nextBackoffAmountMs(){if(this.attempts++,this.attempts>this.limit)throw Error("retry limit exceeded");return super.nextBackoffAmountMs()}}t.default=s},12340:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(54924),s=n(i(19202)),a=n(i(50794)),o=i(93002);class d{constructor(e){this.FALLBACK_BROWSER={type:"browser",name:"unknown",version:"unknown",os:"unknown"},this.browser=(0,r.detect)()||this.FALLBACK_BROWSER,this.browserSupport={chrome:78,"edge-chromium":79,electron:7,firefox:75,ios:13,safari:13,opera:66,samsung:12,crios:86,fxios:23,"ios-webview":605,"chromium-webview":92},this.browserName={chrome:"Google Chrome","edge-chromium":"Microsoft Edge",electron:"Electron",firefox:"Mozilla Firefox",ios:"Safari iOS",safari:"Safari",opera:"Opera",samsung:"Samsung Internet",crios:"Chrome iOS",fxios:"Firefox iOS","ios-webview":"WKWebView iOS","chromium-webview":"Chrome WebView"},this.chromeLike=["chrome","edge-chromium","chromium-webview","opera","samsung"],this.webkitBrowsers=["crios","fxios","safari","ios","ios-webview","edge-ios"],this.userAgentParser=null!=e?e:new a.default(new s.default)}version(){let e=this.userAgentParser.getParserResult().browserVersion;return e===o.USER_AGENT_PARSER_UNAVAILABLE?"":e}majorVersion(){return parseInt(this.userAgentParser.getParserResult().browserMajorVersion)}osMajorVersion(){return parseInt(this.osVersion().split(".")[0])}deviceName(){let e=this.userAgentParser.getParserResult().deviceName;return e===o.USER_AGENT_PARSER_UNAVAILABLE?"":e}osName(){let e=this.userAgentParser.getParserResult().osName;return e===o.USER_AGENT_PARSER_UNAVAILABLE?"":e}osVersion(){let e=this.userAgentParser.getParserResult().osVersion;return e===o.USER_AGENT_PARSER_UNAVAILABLE?"":e}engine(){var e;return null!==(e=this.userAgentParser.getParserResult().engineName)&&void 0!==e?e:""}engineMajorVersion(){var e;return parseInt(null!==(e=this.userAgentParser.getParserResult().engineMajorVersion)&&void 0!==e?e:"0")}name(){return this.browser.name}hasChromiumWebRTC(){for(let e of this.chromeLike)if(e===this.browser.name)return!0;return!1}hasWebKitWebRTC(){for(let e of this.webkitBrowsers)if(e===this.browser.name)return!0;return!1}hasFirefoxWebRTC(){return this.isFirefox()}requiresPlaybackLatencyHintForAudioContext(){return -1!==navigator.userAgent.indexOf("Windows")}supportsCanvasCapturedStreamPlayback(){return!this.isIOSSafari()&&!this.isIOSChrome()&&!this.isIOSFirefox()&&!this.isIOSEdge()||this.isIOSSafari()&&this.majorVersion()>=d.MIN_IOS_SUPPORT_CANVAS_STREAM_PLAYBACK||this.majorVersion()>=d.MIN_IOS_NON_SAFARI_SUPPORT_CANVAS_STREAM_PLAYBACK}

10supportsBackgroundFilter(){return!!(("safari"!==this.name()||15!==this.majorVersion())&&this.supportsCanvasCapturedStreamPlayback())}supportsVideoLayersAllocationRtpHeaderExtension(){return this.hasChromiumWebRTC()}supportsDependencyDescriptorRtpHeaderExtension(){return this.hasChromiumWebRTC()}supportsScalableVideoCoding(){return this.hasChromiumWebRTC()&&"Blink"===this.engine()&&this.engineMajorVersion()>=111}supportsAudioRedundancy(){return this.hasChromiumWebRTC()?this.engineMajorVersion()>=107:!this.hasFirefoxWebRTC()}requiresResolutionAlignment(e,t){return this.isAndroid()&&this.isPixel3()?[64*Math.ceil(e/64),64*Math.ceil(t/64)]:[e,t]}requiresCheckForSdpConnectionAttributes(){return!this.isIOSSafari()&&!this.isIOSChrome()&&!this.isIOSFirefox()}requiresIceCandidateGatheringTimeoutWorkaround(){return this.hasChromiumWebRTC()}requiresBundlePolicy(){return"max-bundle"}requiresNoExactMediaStreamConstraints(){return this.isSamsungInternet()}requiresGroupIdMediaStreamConstraints(){return this.isSamsungInternet()}getDisplayMediaAudioCaptureSupport(){return this.isChrome()||this.isEdge()}doesNotSupportMediaDeviceLabels(){return"chromium-webview"===this.browser.name}isSupported(){return!(!this.browserSupport[this.browser.name]||this.majorVersion()<this.browserSupport[this.browser.name]||"firefox"===this.browser.name&&this.isAndroid())}isSimulcastSupported(){return this.hasChromiumWebRTC()}supportDownlinkBandwidthEstimation(){return!this.isFirefox()}supportString(){if(this.isAndroid())return`${this.browserName.chrome} ${this.browserSupport.chrome}+, ${this.browserName.samsung} ${this.browserSupport.samsung}+`;let e=[];for(let t in this.browserSupport)e.push(`${this.browserName[t]} ${this.browserSupport[t]}+`);return e.join(", ")}async supportedVideoCodecs(){let e=new RTCPeerConnection;return e.addTransceiver("video",{direction:"inactive",streams:[]}),(await e.createOffer({offerToReceiveVideo:!0})).sdp.split("\r\n").filter(e=>e.includes("a=rtpmap:")).map(e=>e.replace(/.* /,"").replace(/\/.*/,"")).filter((e,t,i)=>i.indexOf(e)===t).filter(e=>"rtx"!==e&&"red"!==e&&"ulpfec"!==e)}supportsSetSinkId(){return"setSinkId"in HTMLAudioElement.prototype}disableResolutionScaleDown(){return this.isAndroid()}disable480pResolutionScaleDown(){return/( Chrome\/98\.)/i.test(navigator.userAgent)&&this.browser.os.startsWith("Windows")}requiresDisablingH264Encoding(){return this.isIOS()&&("15.1.0"===this.version()||"15.1"===this.version()||/( OS 15_1)/i.test(navigator.userAgent))}requiresVideoPlayWorkaround(){return this.isSafari()}requiresAudioContextResetOnDeviceFailureForWebAudio(){return this.isIOS()}isVideoFxSupportedBrowser(){return this.supportsBackgroundFilter()}async updateWithHighEntropyValues(e=!1){var t,i;await (null===(i=(t=this.userAgentParser).updateWithHighEntropyValues)||void 0===i?void 0:i.call(t,e))}isIOSSafari(){return"ios"===this.browser.name||"ios-webview"===this.browser.name||"safari"===this.browser.name&&/( Mac )/i.test(navigator.userAgent)&&navigator.maxTouchPoints>1}isSafari(){return"safari"===this.browser.name||this.isIOSSafari()}isFirefox(){return"firefox"===this.browser.name}isIOSFirefox(){return"fxios"===this.browser.name}isIOSChrome(){return"crios"===this.browser.name}isChrome(){return"chrome"===this.browser.name}isEdge(){return"edge-chromium"===this.browser.name}isIOSEdge(){return"edge-ios"===this.browser.name}isSamsungInternet(){return"samsung"===this.browser.name}isAndroid(){return/(android)/i.test(navigator.userAgent)}isPixel3(){return/( pixel 3)/i.test(navigator.userAgent)}isIOS(){return this.isIOSSafari()||this.isIOSChrome()||this.isIOSFirefox()}}d.MIN_IOS_SUPPORT_CANVAS_STREAM_PLAYBACK=16,d.MIN_IOS_NON_SAFARI_SUPPORT_CANVAS_STREAM_PLAYBACK=106,t.default=d},14388:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(8283),s=n(i(87911)),a=n(i(40372)),o=n(i(85981));class d{constructor(e,t,i){this.logger=e,this.videoStreamIndex=t,this.selfAttendeeId=i,this.globalMetricReport=new o.default,this.streamMetricReports={},this.rtcStatsReport={},this.customStatsReports=[],this.currentTimestampMs=0,this.previousTimestampMs=0,this.currentSsrcs={},this.overriddenObservableMetrics=new Map,this.identityValue=(e,t)=>

10Number((t?this.streamMetricReports[t]:this.globalMetricReport).currentMetrics[e]),this.decoderLossPercent=(e,t)=>{let i=this.streamMetricReports[t],n=i.currentMetrics.concealedSamples-(i.previousMetrics.concealedSamples||0),r=i.currentMetrics.totalSamplesReceived-(i.previousMetrics.totalSamplesReceived||0);return r<=0?0:r-n<=0?0:n/r*100},this.packetLossPercent=(e,t)=>{let i=this.streamMetricReports[t],n=i.currentMetrics[e]-(i.previousMetrics[e]||0),r=i.currentMetrics.packetsLost-(i.previousMetrics.packetsLost||0),s=n+r;return s<=0||r<=0?0:100*r/s},this.jitterBufferMs=(e,t)=>{let i=this.streamMetricReports[t],n=i.currentMetrics.jitterBufferDelay-(i.previousMetrics.jitterBufferDelay||0),r=i.currentMetrics.jitterBufferEmittedCount-(i.previousMetrics.jitterBufferEmittedCount||0);return n<=0||r<=0?0:n/r*1e3},this.countPerSecond=(e,t)=>{let i=t?this.streamMetricReports[t]:this.globalMetricReport,n=(this.currentTimestampMs-this.previousTimestampMs)/1e3;if(n<=0)return 0;this.previousTimestampMs<=0&&(n=1);let r=i.currentMetrics[e]-(i.previousMetrics[e]||0);return r<=0?0:Math.trunc(r/n)},this.bitsPerSecond=(e,t)=>{let i=t?this.streamMetricReports[t]:this.globalMetricReport,n=(this.currentTimestampMs-this.previousTimestampMs)/1e3;if(n<=0)return 0;this.previousTimestampMs<=0&&(n=1);let r=(i.currentMetrics[e]-(i.previousMetrics[e]||0))*8;return r<=0?0:Math.trunc(r/n)},this.secondsToMilliseconds=(e,t)=>Number(1e3*(t?this.streamMetricReports[t]:this.globalMetricReport).currentMetrics[e]),this.averageTimeSpentPerSecondInMilliseconds=(e,t)=>{let i=t?this.streamMetricReports[t]:this.globalMetricReport,n=(this.currentTimestampMs-this.previousTimestampMs)/1e3;if(n<=0)return 0;this.previousTimestampMs<=0&&(n=1);let r=i.currentMetrics[e]-(i.previousMetrics[e]||0);return r<=0?0:1e3*r/n},this.averageCpuQualityLimitationDurationPerSecondInMilliseconds=(e,t)=>{let i=this.streamMetricReports[t];if(void 0===i.previousObjectMetrics[e]||void 0===i.currentObjectMetrics[e])return NaN;let n=(this.currentTimestampMs-this.previousTimestampMs)/1e3;if(n<=0)return 0;this.previousTimestampMs<=0&&(n=1);let r=0,s=0;for(let[t,n]of Object.entries(i.previousObjectMetrics[e]))"cpu"===t&&(r=n);for(let[t,n]of Object.entries(i.currentObjectMetrics[e]))"cpu"===t&&(s=n);let a=s-r;return a<=0?0:1e3*a/n},this.isHardwareImplementation=(e,t)=>{let i=this.streamMetricReports[t];if(void 0===i.currentStringMetrics[e])return NaN;let n=String(i.currentStringMetrics[e]),r=n.includes("ExternalDecoder")||n.includes("ExternalEncoder")||n.includes("EncodeAccelerator")||n.includes("DecodeAccelerator"),s=n.includes("fallback from");return r&&!s?1:0},this.globalMetricMap={retransmittedBytesSent:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_RETRANSMIT_BITRATE},totalEncodedBytesTarget:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_TARGET_ENCODER_BITRATE},totalPacketSendDelay:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BUCKET_DELAY_MS},packetsDiscardedOnSend:{transform:this.countPerSecond,type:r.SdkMetric.Type.SOCKET_DISCARDED_PPS},availableIncomingBitrate:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_AVAILABLE_RECEIVE_BANDWIDTH},availableOutgoingBitrate:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_AVAILABLE_SEND_BANDWIDTH},currentRoundTripTime:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.STUN_RTT_MS},audioLevel:{transform:this.identityValue,type:r.SdkMetric.Type.RTC_MIC_AUDIO_LEVEL,source:"audioLevel"}},this.audioUpstreamMetricMap={jitter:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.RTC_MIC_JITTER_MS},packetsSent:{transform:this.countPerSecond,type:r.SdkMetric.Type.RTC_MIC_PPS},bytesSent:{transform:this.bitsPerSecond,type:r.SdkMetric.Type.RTC_MIC_BITRATE},roundTripTime:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.RTC_MIC_RTT_MS},packetsLost:{transform:this.packetLossPercent,type:r.SdkMetric.Type.RTC_MIC_FRACTION_PACKET_LOST_PERCENT,source:"packetsSent"},audioSentTransformPps:{transform:this.countPerSecond,type:r.SdkMetric.Type.AUDIO_SENT_TRANSFORM_PPS}},this.audioDownstreamMetricMap={concealedSamples:{transform:this.countPerSecond},totalSamplesReceived:{transform:this.countPerSecond},decoderLoss:{transform:this.decoderLossPercent,type:r.SdkMetric.Type.RTC_SPK_FRACTION_DECODER_LOSS_PERCENT},packetsReceived:{transform:this.countPerSecond,type:r.SdkMetric.Type.RTC_SPK_PPS},packetsLost:{transform:this.packetLossPercent,type:r.SdkMetric.Type.RTC_SPK_FRACTION_PACKET_LOST_PERCENT,source:"packetsReceived"},jitter:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.RTC_SPK_JITTER_MS},jitterBufferDelay:{transform:this.countPerSecond},jitterBufferEmittedCount:{transform:this.countPerSecond},jitterBufferMs:{transform:this.jitterBufferMs,type:r.SdkMetric.Type.RTC_SPK_JITTER_BUFFER_MS},bytesReceived:{transform:this.bitsPerSecond,type:r.SdkMetric.Type.RTC_SPK_BITRATE},audioLevel:{transform:this.identityValue,type:r.SdkMetric.Type.RTC_SPK_AUDIO_LEVEL},totalAudioPacketsLost:{transform:this.identityValue,type:r.SdkMetric.Type.RTC_SPK_TOTAL_LOST},totalAudioPacketsExpected:{transform:this.identityValue,type:r.SdkMetric.Type.RTC_SPK_TOTAL_EXPECTED},totalAudioPacketsRecoveredRed:{transform:this.identityValue,type:r.SdkMetric.Type.RTC_SPK_TOTAL_RECOVERED_RED},totalAudioPacketsRecoveredFec:{transform:this.identityValue,type:r.SdkMetric.Type.RTC_SPK_TOTAL_RECOVERED_FEC},audioReceivedTransformPps:{transform:this.countPerSecond,type:r.SdkMetric.Type.AUDIO_RECEIVED_TRANSFORM_PPS}},this.videoUpstreamMetricMap={roundTripTime:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.VIDEO_SENT_RTT_MS},nackCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_NACKS_RECEIVED},pliCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_PLIS_RECEIVED},firCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_FIRS_RECEIVED},framesPerSecond:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_INPUT_FPS},framesEncoded:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_ENCODE_FPS},packetsSent:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_SENT_PPS},packetsLost:{transform:this.packetLossPercent,type:r.SdkMetric.Type.VIDEO_SENT_FRACTION_PACKET_LOST_PERCENT,source:"packetsSent"},bytesSent:{transform:this.bitsPerSecond,type:r.SdkMetric.Type.VIDEO_SENT_BITRATE},qpSum:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_SENT_QP_SUM},frameHeight:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_ENCODE_HEIGHT},frameWidth:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_ENCODE_WIDTH},jitter:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.VIDEO_SENT_JITTER_MS},totalEncodeTime:{transform:this.averageTimeSpentPerSecondInMilliseconds,type:r.SdkMetric.Type.VIDEO_ENCODE_MS},encoderImplementation:{transform:this.isHardwareImplementation,t

10ype:r.SdkMetric.Type.VIDEO_ENCODER_IS_HARDWARE},qualityLimitationDurations:{transform:this.averageCpuQualityLimitationDurationPerSecondInMilliseconds,type:r.SdkMetric.Type.VIDEO_QUALITY_LIMITATION_DURATION_CPU},videoCodecDegradationHighEncodeCpu:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_CODEC_DEGRADATION_HIGH_ENCODE_CPU},videoCodecDegradationEncodeFailure:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_CODEC_DEGRADATION_ENCODE_FAILURE},videoInputWidth:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_INPUT_WIDTH},videoInputHeight:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_INPUT_HEIGHT},videoSentTransformPps:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_SENT_TRANSFORM_PPS},videoBgSegSegmentationDurationMs:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_DURATION_MS},videoBgSegEffectRenderDurationMs:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_EFFECT_RENDER_DURATION_MS},videoBgSegFramesPerSegmentation:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_FRAMES_PER_SEGMENTATION},videoBgSegCpuUsagePercent:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_CPU_USAGE_PERCENT},videoBgSegInitializationDurationMs:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_INITIALIZATION_DURATION_MS},videoBgSegInitializationFailure:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_INITIALIZATION_FAILURE},videoBgSegErrorCount:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_ERROR_COUNT},videoBgSegFramesSubmitted:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_FRAMES_SUBMITTED},videoBgSegFramesSegmented:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_FRAMES_SEGMENTED},videoPipelineFrameRate:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_PIPELINE_FRAME_RATE},videoProcessorAverageInferenceLatency:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_PROCESSOR_LATENCY_MS},videoBgSegAssetLoadingFailure:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_ASSET_LOADING_FAILURE},videoBgSegAssetLoadingTimeMs:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_ASSET_LOADING_TIME_MS},videoBgSegCompatibilityFailure:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_COMPATIBILITY_FAILURE},videoBgSegProcessorCreationFailure:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_BACKGROUND_SEGMENTATION_PROCESSOR_CREATION_FAILURE},videoProcessorName:{transform:this.identityValue,type:void 0},videoBgSegModelType:{transform:this.identityValue,type:void 0},videoBgSegDelegateType:{transform:this.identityValue,type:void 0}},this.videoDownstreamMetricMap={packetsReceived:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_RECEIVED_PPS},packetsLost:{transform:this.packetLossPercent,type:r.SdkMetric.Type.VIDEO_RECEIVED_FRACTION_PACKET_LOST_PERCENT,source:"packetsReceived"},framesReceived:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_RECEIVED_FPS},framesDecoded:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_DECODE_FPS},nackCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_NACKS_SENT},firCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_FIRS_SENT},pliCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_PLIS_SENT},bytesReceived:{transform:this.bitsPerSecond,type:r.SdkMetric.Type.VIDEO_RECEIVED_BITRATE},jitter:{transform:this.secondsToMilliseconds,type:r.SdkMetric.Type.VIDEO_RECEIVED_JITTER_MS},jitterBufferDelay:{transform:this.countPerSecond},jitterBufferEmittedCount:{transform:this.countPerSecond},jitterBufferMs:{transform:this.jitterBufferMs,type:r.SdkMetric.Type.VIDEO_JITTER_BUFFER_MS},qpSum:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_RECEIVED_QP_SUM},frameHeight:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_DECODE_HEIGHT},frameWidth:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_DECODE_WIDTH},totalDecodeTime:{transform:this.averageTimeSpentPerSecondInMilliseconds,type:r.SdkMetric.Type.VIDEO_DECODE_MS},decoderImplementation:{transform:this.isHardwareImplementation,t

10ype:r.SdkMetric.Type.VIDEO_DECODER_IS_HARDWARE},totalFreezesDuration:{transform:this.averageTimeSpentPerSecondInMilliseconds,type:r.SdkMetric.Type.VIDEO_FREEZE_DURATION},freezeCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_FREEZE_COUNT},totalPausesDuration:{transform:this.averageTimeSpentPerSecondInMilliseconds,type:r.SdkMetric.Type.VIDEO_PAUSE_DURATION},pauseCount:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_PAUSE_COUNT},framesDropped:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_DROPPED_FPS},videoRenderWidth:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_RENDER_WIDTH},videoRenderHeight:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_RENDER_HEIGHT},videoReceivedTransformPps:{transform:this.countPerSecond,type:r.SdkMetric.Type.VIDEO_RECEIVED_TRANSFORM_PPS},videoRemoteRenderFps:{transform:this.identityValue,type:r.SdkMetric.Type.VIDEO_REMOTE_RENDER_FPS}},this.streamDimensionMap={encoderImplementation:r.SdkStreamDimension.Type.VIDEO_ENCODER_NAME,decoderImplementation:r.SdkStreamDimension.Type.VIDEO_DECODER_NAME,videoBgSegModelType:r.SdkStreamDimension.Type.VIDEO_BACKGROUND_SEGMENTATION_MODEL_TYPE,videoBgSegDelegateType:r.SdkStreamDimension.Type.VIDEO_BACKGROUND_SEGMENTATION_DELEGATE_TYPE,videoProcessorName:r.SdkStreamDimension.Type.VIDEO_PROCESSOR_NAME},this.observableVideoMetricSpec={videoUpstreamBitrate:{source:"bytesSent",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamPacketsSent:{source:"packetsSent",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamPacketLossPercent:{source:"packetsLost",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamFramesEncodedPerSecond:{source:"framesEncoded",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamFramesInputPerSecond:{source:"framesPerSecond",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamFrameHeight:{source:"frameHeight",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamFrameWidth:{source:"frameWidth",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamJitterMs:{source:"jitter",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamRoundTripTimeMs:{source:"roundTripTime",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamEncoderImplementation:{source:"encoderImplementation",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamTotalEncodeTimePerSecond:{source:"totalEncodeTime",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoUpstreamCpuQualityLimitationDurationPerSecond:{source:"qualityLimitationDurations",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoDownstreamBitrate:{source:"bytesReceived",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamPacketLossPercent:{source:"packetsLost",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamPacketsReceived:{source:"packetsReceived",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamFramesDecodedPerSecond:{source:"framesDecoded",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamFrameHeight:{source:"frameHeight",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamFrameWidth:{source:"frameWidth",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamJitterMs:{source:"jitter",media:a.default.VIDEO,dir:s.default.DOWNSTREAM},videoDownstreamDelayMs:{source:"jitterBufferMs",media:a.default.VIDEO,dir:s.default.DOWNSTREAM}},this.observableMetricSpec={audioPacketsReceived:{source:"packetsReceived",media:a.default.AUDIO,dir:s.default.DOWNSTREAM},audioPacketsReceivedFractionLoss:{source:"packetsLost",media:a.default.AUDIO,dir:s.default.DOWNSTREAM},audioDecoderLoss:{source:"decoderLoss",media:a.default.AUDIO,dir:s.default.DOWNSTREAM},audioPacketsSent:{source:"packetsSent",media:a.default.AUDIO,dir:s.default.UPSTREAM},audioPacketLossPercent:{source:"packetsLost",media:a.default.AUDIO,dir:s.default.UPSTREAM},audioUpstreamRoundTripTimeMs:{source:"roundTripTime",media:a.default.AUDIO,dir:s.default.UPSTREAM},videoUpstreamBitrate:{source:"bytesSent",media:a.default.VIDEO,dir:s.default.UPSTREAM},videoPacketSentPerSecond:{source:"packetsSent",media:a.default.VIDEO,dir:s.default.UPSTREAM},audioSpeakerDelayMs:{source:"jitterBufferMs",media:a.default.AUDIO,dir:s.default.DOWNSTREAM},audioUpstreamJitterMs:{source:"jitter",media:a.default.AUDIO,dir:s.default.UPSTREAM},audioDownstreamJitterMs:{source:"jitter",media:a.default.AUDIO,dir:s.default.DOWNSTREAM},nackCountReceivedPerSecond:{source:"nackCount",media:a.default.VIDEO,dir:s.default.UPSTREAM},availableOutgoingBitrate:{source:"availableOutgoingBitrate"},availableIncomingBitrate:{source:"availableIncomingBitrate"},currentRoundTripTimeMs:{source:"currentRoundTripTime"},audioDownstreamLevel:{source:"audioLevel",media:a.default.AUDIO,dir:s.default.DOWNSTREAM}

10,audioUpstreamLevel:{source:"audioLevel"}}}getMetricMap(e,t){switch(e){case a.default.AUDIO:switch(t){case s.default.UPSTREAM:return this.audioUpstreamMetricMap;case s.default.DOWNSTREAM:return this.audioDownstreamMetricMap}case a.default.VIDEO:switch(t){case s.default.UPSTREAM:return this.videoUpstreamMetricMap;case s.default.DOWNSTREAM:return this.videoDownstreamMetricMap}default:return this.globalMetricMap}}getStreamDimensionMap(){return this.streamDimensionMap}getObservableMetricValue(e){if(this.overriddenObservableMetrics.has(e))return this.overriddenObservableMetrics.get(e);let t=this.observableMetricSpec[e],{transform:i,source:n}=this.getMetricMap(t.media,t.dir)[t.source];if(!t.hasOwnProperty("media"))return i(n||t.source);for(let e in this.streamMetricReports){let r=this.streamMetricReports[e];if(r.direction===t.dir&&r.mediaType===t.media)return i(n||t.source,Number(e))}return 0}getObservableVideoMetricValue(e,t){let i=this.observableVideoMetricSpec[e],{transform:n,source:r}=this.getMetricMap(i.media,i.dir)[i.source];return n(r||i.source,t)}getVideoUpstreamSsrcs(){let e=[];for(let t in this.streamMetricReports)this.streamMetricReports[t].mediaType===a.default.VIDEO&&this.streamMetricReports[t].direction===s.default.UPSTREAM&&e.push(Number(t));return e}getObservableMetrics(){let e={};for(let t in this.observableMetricSpec)e[t]=this.getObservableMetricValue(t);return e}getObservableVideoMetrics(){let e={};if(!this.videoStreamIndex||!this.selfAttendeeId)return this.logger.error("Need to define VideoStreamIndex and selfAttendeeId if using getObservableVideoMetrics API"),e;for(let t in this.streamMetricReports)if(this.streamMetricReports[t].mediaType===a.default.VIDEO){let i={};for(let e in this.observableVideoMetricSpec)if(this.observableVideoMetricSpec[e].dir===this.streamMetricReports[t].direction){let n=this.getObservableVideoMetricValue(e,Number(t));isNaN(n)||(i[e]=n)}let n=this.streamMetricReports[t].groupId,r=this.streamMetricReports[t].streamId,s="";e[s=void 0!==this.videoStreamIndex.attendeeIdForGroupId?n?this.videoStreamIndex.attendeeIdForGroupId(n):this.selfAttendeeId:r?this.videoStreamIndex.attendeeIdForStreamId(r):this.selfAttendeeId]=e[s]?e[s]:{},e[s][t]=i}return e}getRTCStatsReport(){return this.rtcStatsReport}clone(){let e=new d(this.logger,this.videoStreamIndex,this.selfAttendeeId);return e.globalMetricReport=this.globalMetricReport,e.streamMetricReports=this.streamMetricReports,e.rtcStatsReport=this.rtcStatsReport,e.customStatsReports=this.customStatsReports,e.currentTimestampMs=this.currentTimestampMs,e.previousTimestampMs=this.previousTimestampMs,e.overriddenObservableMetrics=this.overriddenObservableMetrics,e}print(){let e={globalMetricReport:this.globalMetricReport,streamMetricReports:this.streamMetricReports,currentTimestampMs:this.currentTimestampMs,previousTimestampMs:this.previousTimestampMs};this.logger.debug(()=>`Client Metric Report: ${JSON.stringify(e)}`)}removeDestroyedSsrcs(){for(let e in this.streamMetricReports)this.currentSsrcs[e]||delete this.streamMetricReports[e]}overrideObservableMetric(e,t){this.overriddenObservableMetrics.set(e,t)}}t.default=d},87911:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.ClientMetricReportDirection=void 0,(n=i||(t.ClientMetricReportDirection=i={}))[n.UPSTREAM=0]="UPSTREAM",n[n.DOWNSTREAM=1]="DOWNSTREAM",t.default=i},40372:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.ClientMetricReportMediaType=void 0,(n=i||(t.ClientMetricReportMediaType=i={}))[n.AUDIO=0]="AUDIO",n[n.VIDEO=1]="VIDEO",t.default=i},47715:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{}t.default=i},85981:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.previousMetrics={},this.currentMetrics={},this.currentStringMetrics={},this.previousObjectMetrics={},this.currentObjectMetrics={}}}t.default=i},55728:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.currentTimestampMs=0,this.ssrc=0,this.totalAudioPacketsLost=0,this.totalAudioPacketsExpected=0,this.totalAudioPacketsRecoveredRed=0,this.totalAudioPacketsRecoveredFec=0}}t.default=i},11566:function(e,t){"use strict";

10Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.previousMetrics={},this.currentMetrics={},this.currentStringMetrics={},this.previousObjectMetrics={},this.currentObjectMetrics={}}}t.default=i},18471:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i){this.minHealth=e.minHealth,this.maxHealth=e.maxHealth,this.currentHealth=e.initialHealth,this.currentData=t.clone(),this.name=i}minimumHealth(){return this.minHealth}maximumHealth(){return this.maxHealth}health(){return this.maximumHealth()}update(e){this.currentData=e}getConnectionHealthData(){return this.currentData.clone()}healthy(){return this.health()>this.minimumHealth()}healthIfChanged(){let e=this.health();return e!==this.currentHealth?(this.currentHealth=e,e):null}}t.default=i},74813:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.connectionStartTimestampMs=0,this.consecutiveStatsWithNoPackets=0,this.consecutiveStatsWithNoAudioPacketsSent=0,this.lastPacketLossInboundTimestampMs=0,this.lastGoodSignalTimestampMs=0,this.lastWeakSignalTimestampMs=0,this.lastNoSignalTimestampMs=0,this.consecutiveMissedPongs=0,this.packetsReceivedInLastMinute=[],this.fractionPacketsLostInboundInLastMinute=[],this.audioSpeakerDelayMs=0,this.isVideoEncoderHardware=!1,this.videoEncodingTimeInMs=0,this.videoEncodingTimePerFrameInMs=0,this.cpuLimitationDuration=0,this.videoInputFps=0,this.videoEncodeFps=0,this.isContentShare=!1,this.numberOfPublishedVideoSources=0,this.connectionStartTimestampMs=Date.now(),this.lastGoodSignalTimestampMs=Date.now()}static isTimestampRecent(e,t){return Date.now()<e+t}setConnectionStartTime(){this.connectionStartTimestampMs=Date.now(),this.lastGoodSignalTimestampMs=Date.now()}reset(){this.connectionStartTimestampMs=0,this.consecutiveStatsWithNoPackets=0,this.consecutiveStatsWithNoAudioPacketsSent=0,this.lastPacketLossInboundTimestampMs=0,this.lastGoodSignalTimestampMs=0,this.lastWeakSignalTimestampMs=0,this.lastNoSignalTimestampMs=0,this.consecutiveMissedPongs=0,this.packetsReceivedInLastMinute=[],this.fractionPacketsLostInboundInLastMinute=[],this.audioSpeakerDelayMs=0,this.connectionStartTimestampMs=Date.now(),this.lastGoodSignalTimestampMs=Date.now(),this.isVideoEncoderHardware=!1,this.videoEncodingTimeInMs=0,this.videoEncodingTimePerFrameInMs=0,this.cpuLimitationDuration=0,this.videoInputFps=0,this.videoEncodeFps=0,this.isContentShare=!1,this.numberOfPublishedVideoSources=0}isConnectionStartRecent(e){return i.isTimestampRecent(this.connectionStartTimestampMs,e)}isLastPacketLossRecent(e){return i.isTimestampRecent(this.lastPacketLossInboundTimestampMs,e)}isGoodSignalRecent(e){return i.isTimestampRecent(this.lastGoodSignalTimestampMs,e)}isWeakSignalRecent(e){return i.isTimestampRecent(this.lastWeakSignalTimestampMs,e)}isNoSignalRecent(e){return i.isTimestampRecent(this.lastNoSignalTimestampMs,e)}clone(){let e=new i;return e.connectionStartTimestampMs=this.connectionStartTimestampMs,e.consecutiveStatsWithNoPackets=this.consecutiveStatsWithNoPackets,e.consecutiveStatsWithNoAudioPacketsSent=this.consecutiveStatsWithNoAudioPacketsSent,e.lastPacketLossInboundTimestampMs=this.lastPacketLossInboundTimestampMs,e.lastGoodSignalTimestampMs=this.lastGoodSignalTimestampMs,e.lastWeakSignalTimestampMs=this.lastWeakSignalTimestampMs,e.lastNoSignalTimestampMs=this.lastNoSignalTimestampMs,e.consecutiveMissedPongs=this.consecutiveMissedPongs,e.packetsReceivedInLastMinute=this.packetsReceivedInLastMinute.slice(0),e.fractionPacketsLostInboundInLastMinute=this.fractionPacketsLostInboundInLastMinute.slice(0),e.audioSpeakerDelayMs=this.audioSpeakerDelayMs,e.isVideoEncoderHardware=this.isVideoEncoderHardware,e.videoEncodingTimeInMs=this.videoEncodingTimeInMs,e.videoEncodingTimePerFrameInMs=this.videoEncodingTimePerFrameInMs,e.cpuLimitationDuration=this.cpuLimitationDuration,e.videoInputFps=this.videoInputFps,e.videoEncodeFps=this.videoEncodeFps,e.isContentShare=this.isContentShare,e.numberOfPublishedVideoSources=this.numberOfPublishedVideoSources,e}setConsecutiveMissedPongs(e){this.consecutiveMissedPongs=e}setConsecutiveStatsWithNoPackets(e){this.consecutiveStatsWithNoPackets=e}setConsecutiveStatsWithNoAudioPacketsSent(e){this.consecutiveStatsWithNoAudioPacketsSent=e}setLastPacketLossInboundTimestampMs(e){this.lastPacketLossInboundTimestampMs=e}setLastNoSignalTimestampMs(e){this.lastNoSignalTimestampMs=e}setLastWeakSignalTimestampMs(e){this.lastWeakSignalTimestampMs=e}setLastGoodSignalTimestampMs(e){this.lastGoodSignalTimestampMs=e}setAudioSpeakerDelayMs(e){this.audioSpeakerDelayMs=e}setIsVideoEncoderHardware(e){this.isVideoEncoderHardware=e}setVideoEncodingTimeInMs(e){this.videoEncodingTimeInMs=e}setVideoEncodingTimePerFrameInMs(e){this.videoEncodingTimePerFrameInMs=e}setCpuLimitationDuration(e){this.cpuLimitationDuration=e}setVideoInputFps(e){this.videoInputFps=e}setVideoEncodeFps(e){this.videoEncodeFps=e}setIsContentShare(e){this.isContentShare=e}setNumberOfPublishedVideoSources(e){this.numberOfPublishedVideoSources=e}}t.default=i},28677:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

10dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(83015)),s=n(i(85463)),a=n(i(50070));class o{constructor(){this.minHealth=0,this.maxHealth=1,this.initialHealth=1,this.connectionUnhealthyThreshold=25,this.noSignalThresholdTimeMs=1e4,this.connectionWaitTimeMs=1e4,this.zeroBarsNoSignalTimeMs=5e3,this.oneBarWeakSignalTimeMs=5e3,this.twoBarsTimeMs=5e3,this.threeBarsTimeMs=1e4,this.fourBarsTimeMs=2e4,this.fiveBarsTimeMs=6e4,this.cooldownTimeMs=6e4,this.pastSamplesToConsider=15,this.goodSignalTimeMs=15e3,this.fractionalLoss=.5,this.packetsExpected=50,this.maximumTimesToWarn=2,this.missedPongsLowerThreshold=1,this.missedPongsUpperThreshold=4,this.maximumAudioDelayMs=6e4,this.maximumAudioDelayDataPoints=10,this.sendingAudioFailureSamplesToConsider=2,this.sendingAudioFailureInitialWaitTimeMs=3e3,this.videoEncodingHealthPolicies=[r.default,s.default,a.default],this.consecutiveHighEncodeCpuThreshold=10,this.highEncodeCpuMsThreshold=500,this.highEncodeCpuMsPerFrameThreshold=15,this.consecutiveVideoEncodingFailureThreshold=5,this.concurrentVideoSendersThreshold=15}}t.default=o},67089:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(18471));class s extends r.default{constructor(e,t,i){super(t,i,"Reconnection Health"),this.logger=e,this.audioDelayPointsOverMaximum=0,s.CONNECTION_UNHEALTHY_THRESHOLD=t.connectionUnhealthyThreshold,s.CONNECTION_WAIT_TIME_MS=t.connectionWaitTimeMs,s.MISSED_PONGS_THRESHOLD=t.missedPongsUpperThreshold,s.MAXIMUM_AUDIO_DELAY_MS=t.maximumAudioDelayMs,s.MAXIMUM_AUDIO_DELAY_DATA_POINTS=t.maximumAudioDelayDataPoints}health(){if(this.currentData.isConnectionStartRecent(s.CONNECTION_WAIT_TIME_MS))return 1;let e=this.currentData.consecutiveStatsWithNoPackets>=s.CONNECTION_UNHEALTHY_THRESHOLD,t=this.currentData.consecutiveMissedPongs>=s.MISSED_PONGS_THRESHOLD;this.currentData.audioSpeakerDelayMs>s.MAXIMUM_AUDIO_DELAY_MS?this.audioDelayPointsOverMaximum+=1:this.audioDelayPointsOverMaximum=0;let i=this.audioDelayPointsOverMaximum>s.MAXIMUM_AUDIO_DELAY_DATA_POINTS;return(i&&(this.audioDelayPointsOverMaximum=0),e||t||i)?(this.logger.warn(`reconnection recommended due to: no packets received: ${e}, missed pongs: ${t}, bad audio delay: ${i}`),0):1}}t.default=s},80279:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(18471));class s extends r.default{constructor(e,t,i){super(t,i,"Sending Audio Health"),this.logger=e,this.sendingAudioFailureSamplesToConsider=t.sendingAudioFailureSamplesToConsider>0?t.sendingAudioFailureSamplesToConsider:1,this.sendingAudioFailureInitialWaitTimeMs=t.sendingAudioFailureInitialWaitTimeMs,this.maximumTimesToWarn=t.maximumTimesToWarn,this.coolDownTimeMs=t.cooldownTimeMs,this.lastWarnTimestampMs=0,this.warnCount=0}isSendingAudioUnhealthy(){let e=!this.currentData.isConnectionStartRecent(this.sendingAudioFailureInitialWaitTimeMs),t=this.currentData.consecutiveStatsWithNoAudioPacketsSent>=this.sendingAudioFailureSamplesToConsider;return e&&t}health(){if(this.isSendingAudioUnhealthy()){let e=Date.now()-this.lastWarnTimestampMs<this.coolDownTimeMs;return!(this.currentHealth>this.minimumHealth())||e?this.currentHealth:(this.logger.warn(`Sending Audio is unhealthy for ${this.sendingAudioFailureSamplesToConsider} seconds consecutively.`),this.warnCount++,this.warnCount>this.maximumTimesToWarn)?(this.logger.warn("SendingAudioFailure health policy maximum warnings breached. Falling back to reporting healthy."),this.maximumHealth()):(this.lastWarnTimestampMs=Date.now(),this.minimumHealth())}return this.maximumHealth()}}t.default=s},355:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(18471));class s extends r.default{constructor(e,t){super(e,t,"Unusable Audio Warning"),this.coolDownTimeMs=e.cooldownTimeMs,this.pastSamplesToConsider=e.pastSamplesToConsider,this.fractionalLoss=e.fractionalLoss,this.packetsExpected=e.packetsExpected,this.maximumTimesToWarn=e.maximumTimesToWarn,this.lastWarnTimestampMs=0,this.warnCount=0}calculateFractionalLoss(){if(this.currentData.packetsReceivedInLastMinute.length<this.pastSamplesToConsider)return 0;let e=this.pastSamplesToConsider,t=e*this.packetsExpected,i=0;for(let t=0;t<e;t++)i+=this.currentData.packetsReceivedInLastMinute[t];return Math.min(Math.max(1-i/t,0),1)}health(){return Date.now()-this.lastWarnTimestampMs<this.coolDownTimeMs?this.currentHealth:this.calculateFractionalLoss()>=this.fractionalLoss?0!==this.currentHealth&&(this.lastWarnTimestampMs=Date.now(),this.warnCount++,this.warnCount>this.maximumTimesToWarn)?1:0:1}}t.default=s},83015:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

10dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(18471)),s=n(i(74588));class a extends r.default{constructor(e,t){super(e,t,s.default.VideoConcurrentSendersHealth),this.concurrentVideoSendersThreshold=e.concurrentVideoSendersThreshold}health(){return this.currentData.isContentShare?this.maximumHealth():this.currentData.numberOfPublishedVideoSources>this.concurrentVideoSendersThreshold?this.minimumHealth():this.maximumHealth()}}t.default=a},74588:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.VideoEncodingConnectionHealthPolicyName=void 0,(n=i||(t.VideoEncodingConnectionHealthPolicyName=i={})).VideoEncodingCpuHealth="Video Encoding CPU Health",n.VideoEncodingFramerateHealth="Video Encoding framerate Health",n.VideoConcurrentSendersHealth="Video Concurrent Senders Health",t.default=i},85463:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(18471)),s=n(i(74588));class a extends r.default{constructor(e,t){super(e,t,s.default.VideoEncodingCpuHealth),this.consecutiveHighEncodeCpuCnt=0,this.consecutiveHighEncodeCpuThreshold=e.consecutiveHighEncodeCpuThreshold,this.highEncodeCpuMsThreshold=e.highEncodeCpuMsThreshold,this.highEncodeCpuMsPerFrameThreshold=e.highEncodeCpuMsPerFrameThreshold}health(){let e=this.currentData.videoEncodingTimeInMs>=this.highEncodeCpuMsThreshold&&this.currentData.videoEncodingTimePerFrameInMs>=this.highEncodeCpuMsPerFrameThreshold;if(!this.currentData.isVideoEncoderHardware&&(e||this.currentData.cpuLimitationDuration>0)){if(this.consecutiveHighEncodeCpuCnt++,this.consecutiveHighEncodeCpuCnt>this.consecutiveHighEncodeCpuThreshold)return this.consecutiveHighEncodeCpuCnt=0,this.minimumHealth()}else this.consecutiveHighEncodeCpuCnt=0;return this.maximumHealth()}}t.default=a},50070:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(18471)),s=n(i(74588));class a extends r.default{constructor(e,t){super(e,t,s.default.VideoEncodingFramerateHealth),this.consecutiveEncodeFailureCnt=0,this.consecutiveVideoEncodingFailureThreshold=e.consecutiveVideoEncodingFailureThreshold}health(){if(0===this.currentData.videoEncodeFps&&this.currentData.videoInputFps>0){if(this.consecutiveEncodeFailureCnt++,this.consecutiveEncodeFailureCnt>this.consecutiveVideoEncodingFailureThreshold)return this.consecutiveEncodeFailureCnt=0,this.minimumHealth()}else this.consecutiveEncodeFailureCnt=0;return this.maximumHealth()}}t.default=a},12790:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});let n=i(24670);class r{constructor(e,t,i,n,r){this.audioVideoController=e,this.realtimeController=t,this.connectionHealthData=i,this.pingPong=n,this.statsCollector=r,this.isActive=!1,this.hasSeenValidCandidatePairMetricsBefore=!1,this.lastTotalBytesReceived=0,this.lastTotalStunMessagesReceived=0,this.realtimeController.realtimeSubscribeToLocalSignalStrengthChange(e=>{this.isActive&&this.receiveSignalStrengthChange(e)})}start(){this.isActive=!0,this.pingPong.addObserver(this),this.pingPong.start(),this.audioVideoController.addObserver(this)}stop(){this.isActive=!1,this.pingPong.removeObserver(this),this.pingPong.stop(),this.audioVideoController.removeObserver(this)}receiveSignalStrengthChange(e){0===e?this.connectionHealthData.setLastNoSignalTimestampMs(Date.now()):e<=.5?this.connectionHealthData.setLastWeakSignalTimestampMs(Date.now()):this.connectionHealthData.setLastGoodSignalTimestampMs(Date.now()),this.updateConnectionHealth()}didReceivePong(e,t,i){this.connectionHealthData.setConsecutiveMissedPongs(0),this.statsCollector.logLatency("ping_pong",t),this.statsCollector.logLatency("ping_pong_clock_skew",i),this.updateConnectionHealth()}didMissPongs(){this.connectionHealthData.setConsecutiveMissedPongs(this.connectionHealthData.consecutiveMissedPongs+1),this.updateConnectionHealth()}metricsDidReceive(e){let t=0,i=0,n=e.getObservableMetrics(),r=n.audioPacketsReceived,s=n.audioPacketsReceivedFractionLoss,a=n.audioSpeakerDelayMs;"number"!=typeof a||isNaN(a)||this.connectionHealthData.setAudioSpeakerDelayMs(a);let o=e.getRTCStatsReport(),d=0,l=0;

10o.forEach(e=>{"candidate-pair"===e.type&&(e.bytesReceived&&(d+=e.bytesReceived),e.requestsReceived&&(l+=e.requestsReceived),e.responsesReceived&&(l+=e.responsesReceived))});let c=d-this.lastTotalBytesReceived;this.lastTotalBytesReceived=d;let u=l-this.lastTotalStunMessagesReceived;this.lastTotalStunMessagesReceived=l,"number"==typeof r&&"number"==typeof s&&(t=r,i=s,t<0||i<0||c<0||u<0||(this.addToMinuteWindow(this.connectionHealthData.packetsReceivedInLastMinute,t),this.addToMinuteWindow(this.connectionHealthData.fractionPacketsLostInboundInLastMinute,i),c>0||u>0?(this.hasSeenValidCandidatePairMetricsBefore=!0,this.connectionHealthData.setConsecutiveStatsWithNoPackets(0)):this.hasSeenValidCandidatePairMetricsBefore&&this.connectionHealthData.setConsecutiveStatsWithNoPackets(this.connectionHealthData.consecutiveStatsWithNoPackets+1),(0===t||i>0)&&this.connectionHealthData.setLastPacketLossInboundTimestampMs(Date.now()),"number"==typeof n.audioPacketsSent&&this.updateAudioPacketsSentInConnectionHealth(n.audioPacketsSent),this.updateVideoEncodingHealth(e),this.updateConnectionHealth()))}updateAudioPacketsSentInConnectionHealth(e){e>0?this.connectionHealthData.setConsecutiveStatsWithNoAudioPacketsSent(0):this.connectionHealthData.setConsecutiveStatsWithNoAudioPacketsSent(this.connectionHealthData.consecutiveStatsWithNoAudioPacketsSent+1)}updateVideoEncodingHealth(e){let t=this.audioVideoController.videoTileController.hasStartedLocalVideoTile(),i=e.getVideoUpstreamSsrcs();if(!t||0===i.length){this.connectionHealthData.setIsVideoEncoderHardware(!1),this.connectionHealthData.setVideoEncodingTimePerFrameInMs(0),this.connectionHealthData.setCpuLimitationDuration(0),this.connectionHealthData.setVideoInputFps(0),this.connectionHealthData.setVideoEncodeFps(0);return}let n=!1,r=0,s=0,a=0,o=0;for(let t of i)n||(n=!!e.getObservableVideoMetricValue("videoUpstreamEncoderImplementation",t)),r+=e.getObservableVideoMetricValue("videoUpstreamTotalEncodeTimePerSecond",t),s+=e.getObservableVideoMetricValue("videoUpstreamCpuQualityLimitationDurationPerSecond",t),a+=e.getObservableVideoMetricValue("videoUpstreamFramesInputPerSecond",t),o+=e.getObservableVideoMetricValue("videoUpstreamFramesEncodedPerSecond",t);let d=o>0?r/o:0;this.connectionHealthData.setIsVideoEncoderHardware(!!n),this.connectionHealthData.setVideoEncodingTimeInMs(r),this.connectionHealthData.setVideoEncodingTimePerFrameInMs(d),this.connectionHealthData.setCpuLimitationDuration(s),this.connectionHealthData.setVideoInputFps(a),this.connectionHealthData.setVideoEncodeFps(o)}addToMinuteWindow(e,t){e.unshift(t),e.length>60&&e.pop()}updateConnectionHealth(){this.audioVideoController.forEachObserver(e=>{n.Maybe.of(e.connectionHealthDidChange).map(t=>t.bind(e)(this.connectionHealthData.clone()))})}}t.default=r},26519:function(e,t){"use strict";var i;Object.defineProperty(t,"__esModule",{value:!0}),(i||(i={})).Modality="#content",t.default=i},82083:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340)),s=n(i(41198));class a{constructor(e){this.logger=e}get mediaStream(){return this._mediaStream}set mediaStream(e){this._mediaStream=e}async acquireAudioInputStream(){return 0===this._mediaStream.getAudioTracks().length?(this.logger.info("No audio stream available. Synthesizing an audio stream."),s.default.synthesizeAudioDevice(0)):this._mediaStream}async acquireVideoInputStream(){return this._mediaStream}async acquireDisplayInputStream(e){return e&&e.video&&e.video.mandatory&&e.video.mandatory.chromeMediaSource&&e.video.mandatory.chromeMediaSourceId?navigator.mediaDevices.getUserMedia(e):navigator.mediaDevices.getDisplayMedia(e)}async acquireScreenCaptureDisplayInputStream(e,t){return this.acquireDisplayInputStream(this.screenCaptureDisplayMediaConstraints(e,t))}screenCaptureDisplayMediaConstraints(e,t){return{audio:!!(!e&&new r.default().getDisplayMediaAudioCaptureSupport()),video:{...!e&&{frameRate:{max:t||a.defaultFrameRate}},...e&&{mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:e,maxFrameRate:t||a.defaultFrameRate}}}}}toggleMediaStream(e){let t=!1;if(this.mediaStream)for(let i=0;i<this.mediaStream.getTracks().length;i++)this.mediaStream.getTracks()[i].enabled!==e&&(this.mediaStream.getTracks()[i].enabled=e,t=!0);return t}cleanup(){if(this.mediaStream)for(let e=0;e<this.mediaStream.getTracks().length;e++)this.mediaStream.getTracks()[e].stop();this.mediaStream=null}muteLocalAudioInputStream(){throw Error("unsupported")}unmuteLocalAudioInputStream(){throw Error("unsupported")}addMediaStreamBrokerObserver(e){}removeMediaStreamBrokerObserver(e){}}a.defaultFrameRate=15,t.default=a},84082:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

10dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(31278)),s=n(i(63170)),a=n(i(69461)),o=n(i(67941)),d=n(i(16564)),l=i(24670),c=n(i(10197)),u=n(i(6354)),h=n(i(26519));class f{static createContentShareMeetingSessionConfigure(e){let t=new s.default;return t.meetingId=e.meetingId,t.externalMeetingId=e.externalMeetingId,t.urls=e.urls,t.disablePeriodicKeyframeRequestOnContentSender=e.disablePeriodicKeyframeRequestOnContentSender,t.credentials=new a.default,t.credentials.attendeeId=e.credentials.attendeeId+h.default.Modality,t.credentials.externalUserId=e.credentials.externalUserId,t.credentials.joinToken=e.credentials.joinToken+h.default.Modality,t.meetingFeatures=e.meetingFeatures.clone(),t.videoDownlinkBandwidthPolicy=new c.default,t}constructor(e,t,i){this.mediaStreamBroker=e,this.contentAudioVideo=t,this.attendeeAudioVideo=i,this.observerQueue=new Set,this.destroyed=!1,this.contentAudioVideo.addObserver(this),this.setupContentShareEvents()}setContentAudioProfile(e){this.contentAudioVideo.setAudioProfile(e)}enableSimulcastForContentShare(e,t){e?(this.contentAudioVideo.configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers=!0,this.contentAudioVideo.configuration.videoUplinkBandwidthPolicy=new u.default(this.contentAudioVideo.logger,t)):(this.contentAudioVideo.configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers=!1,this.contentAudioVideo.configuration.videoUplinkBandwidthPolicy=void 0)}enableSVCForContentShare(e){e?this.contentAudioVideo.configuration.enableSVC=!0:this.contentAudioVideo.configuration.enableSVC=!1}async startContentShare(e){if(e){if(this.contentAudioVideo.configuration.meetingFeatures.contentMaxResolution===r.default.VideoDisabled){this.contentAudioVideo.logger.info("Could not start content because max content resolution was set to None");return}this.mediaStreamBroker.mediaStream=e;for(let e=0;e<this.mediaStreamBroker.mediaStream.getTracks().length;e++)this.mediaStreamBroker.mediaStream.getTracks()[e].addEventListener("ended",()=>{this.stopContentShare()});this.contentAudioVideo.start()}}async startContentShareFromScreenCapture(e,t){let i=await this.mediaStreamBroker.acquireScreenCaptureDisplayInputStream(e,t);return await this.startContentShare(i),i}pauseContentShare(){this.mediaStreamBroker.toggleMediaStream(!1)&&this.forEachContentShareObserver(e=>{l.Maybe.of(e.contentShareDidPause).map(t=>t.call(e))})}unpauseContentShare(){this.mediaStreamBroker.toggleMediaStream(!0)&&this.forEachContentShareObserver(e=>{l.Maybe.of(e.contentShareDidUnpause).map(t=>t.call(e))})}setContentShareVideoCodecPreferences(e){this.contentAudioVideo.setVideoCodecSendPreferences(e)}async destroy(){this.contentAudioVideo&&(this.destroyed=!0,this.contentAudioVideo.removeObserver(this),this.stopContentShare(),this.observerQueue.clear(),this.contentAudioVideo=void 0,this.attendeeAudioVideo=void 0,this.mediaStreamBroker=void 0)}stopContentShare(){this.contentAudioVideo.stop(),this.mediaStreamBroker.cleanup()}addContentShareObserver(e){this.observerQueue.add(e)}removeContentShareObserver(e){this.observerQueue.delete(e)}forEachContentShareObserver(e){for(let t of this.observerQueue)d.default.nextTick(()=>{this.observerQueue.has(t)&&e(t)})}audioVideoDidStart(){var e;(null===(e=this.mediaStreamBroker.mediaStream)||void 0===e?void 0:e.getVideoTracks().length)>0&&this.contentAudioVideo.videoTileController.startLocalVideoTile()}audioVideoDidStop(e){this.mediaStreamBroker.cleanup(),this.contentShareTile&&(this.attendeeAudioVideo.videoTileController.removeVideoTile(this.contentShareTile.id()),this.contentShareTile=null),this.forEachContentShareObserver(e=>{l.Maybe.of(e.contentShareDidStop).map(t=>t.call(e))})}setupContentShareEvents(){this.attendeeAudioVideo.realtimeController.realtimeSubscribeToAttendeeIdPresence((e,t,i,n)=>{let r=new o.default(e).hasModality(o.default.MODALITY_CONTENT),s=new o.default(e).base()===this.attendeeAudioVideo.configuration.credentials.attendeeId;if(!r||!s||!t||this.contentShareTile)return;let a=this.mediaStreamBroker.mediaStream;if(null==a?void 0:a.getVideoTracks().length){let e,t;this.contentShareTile=this.attendeeAudioVideo.videoTileController.addVideoTile();let i=a.getVideoTracks()[0];if(i.getSettings){let n=i.getSettings();e=n.width,t=n.height}else{let n=i.getCapabilities();e=n.width,t=n.height}

10this.contentShareTile.bindVideoStream(this.contentAudioVideo.configuration.credentials.attendeeId,!1,a,e,t,null,this.contentAudioVideo.configuration.credentials.externalUserId)}this.forEachContentShareObserver(e=>{l.Maybe.of(e.contentShareDidStart).map(t=>t.call(e))})})}}t.default=f},17401:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class n{static register(){"document"in i.g&&document.addEventListener&&n.shouldRegisterCSPMonitor&&!n.added&&(document.addEventListener("securitypolicyviolation",n.listener),n.added=!0)}static unregister(){"document"in i.g&&document.removeEventListener&&(document.removeEventListener("securitypolicyviolation",n.listener),n.loggers=new Set,n.added=!1)}static disable(){n.shouldRegisterCSPMonitor=!1,n.unregister()}static addLogger(e){e&&n.loggers.add(e)}static removeLogger(e){e&&n.loggers.delete(e)}}n.loggers=new Set,n.shouldRegisterCSPMonitor=!0,n.added=!1,n.listener=e=>{let t=`Security Policy Violation
11Blocked URI: ${e.blockedURI}
12Violated Directive: ${e.violatedDirective}
13Original Policy: ${e.originalPolicy}
14Document URI: ${e.documentURI}
15Source File: ${e.sourceFile}
16Line No.: ${e.lineNumber}
17`;for(let e of n.loggers)e.error(t);0===n.loggers.size&&console.error(t)},t.default=n},93661:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i,n,r,s){this.timestampMs=e,this.topic=t,this.data=i,this.senderAttendeeId=n,this.senderExternalUserId=r,this.throttled=!!s}text(){return new TextDecoder().decode(this.data)}json(){return JSON.parse(new TextDecoder().decode(this.data))}}t.default=i},96630:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.isDestroyable=function(e){return e&&"destroy"in e}},69139:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.isAudioTransformDevice=function(e){return!!e&&"object"==typeof e&&"mute"in e&&"stop"in e&&"intrinsicDevice"in e}},41198:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340)),s=n(i(3496)),a=n(i(16564)),o=n(i(91973)),d=i(24670),l=n(i(56441)),c=n(i(6476)),u=i(69139),h=n(i(22752)),f=n(i(64212)),m=n(i(92613)),p=n(i(27688)),g=n(i(88254)),v=n(i(27578)),b=n(i(77916)),S=n(i(31278)),y=i(88295);class C{constructor(e,t,i=new r.default,n,d){this.logger=e,this.browserBehavior=i,this.eventController=n,this.statsCollector=d,this.deviceInfoCache=null,this.activeDevices={audio:null,video:null},this.chosenVideoTransformDevice=null,this.audioOutputDeviceId=void 0,this.deviceChangeObservers=new Set,this.mediaStreamBrokerObservers=new Set,this.deviceLabelTrigger=()=>navigator.mediaDevices.getUserMedia({audio:!0,video:!0}),this.audioInputDestinationNode=null,this.audioInputSourceNode=null,this.videoInputQualitySettings=null,this.useWebAudio=!1,this.useMediaConstraintsFallback=!0,this.audioInputTaskQueue=new o.default,this.videoInputTaskQueue=new o.default,this.muted=!1,this.mediaStreamMuteObserver=(e,t)=>{for(let i of this.deviceChangeObservers)a.default.nextTick(()=>{this.deviceChangeObservers.has(i)&&i.audioInputMuteStateChanged&&i.audioInputMuteStateChanged(e,t)})},this.alreadyHandlingDeviceChange=!1;let{enableWebAudio:l=!1,useMediaConstraintsFallback:c=!0}=t||{};this.useWebAudio=l,this.useMediaConstraintsFallback=c,this.videoInputQualitySettings=new S.default(C.defaultVideoWidth,C.defaultVideoHeight,C.defaultVideoFrameRate);let u=this.browserBehavior.requiresResolutionAlignment(this.videoInputQualitySettings.videoWidth,this.videoInputQualitySettings.videoHeight);this.videoInputQualitySettings.videoWidth=u[0],this.videoInputQualitySettings.videoHeight=u[1],this.logger.info(`DefaultDeviceController video dimension ${this.videoInputQualitySettings.videoWidth} x ${this.videoInputQualitySettings.videoHeight}`);try{this.mediaDeviceWrapper=new s.default().create();let e=navigator.mediaDevices.getSupportedConstraints();this.logger.info(`Supported Constraints in this browser ${JSON.stringify(e)}`)}catch(t){e.error(t.message)}}isWatchingForDeviceChanges(){return!!this.onDeviceChangeCallback}ensureWatchingDeviceChanges(){var e;this.isWatchingForDeviceChanges()||(this.logger.info("Starting devicechange listener."),this.onDeviceChangeCallback=()=>{this.logger.info("Device change event callback is triggered"),this.handleDeviceChange()},null===(e=this.mediaDeviceWrapper)||void 0===e||e.addEventListener("devicechange",this.onDeviceChangeCallback))}stopWatchingDeviceChanges(){var e;this.isWatchingForDeviceChanges()&&(this.logger.info("Stopping devicechange listener."),null===(e=this.mediaDeviceWrapper)||void 0===e||e.removeEventListener("devicechange",this.onDeviceChangeCallback),this.onDeviceChangeCallback=void 0)}shouldObserveDeviceChanges(){return!!this.deviceChangeObservers.size||this.activeDevices.audio&&null!==this.activeDevices.audio.constraints||this.activeDevices.video&&null!==this.activeDevices.video.constraints||!!this.audioOutputDeviceId}watchForDeviceChangesIfNecessary(){this.shouldObserveDeviceChanges()?this.ensureWatchingDeviceChanges():this.stopWatchingDeviceChanges()}async destroy(){this.stopWatchingDeviceChanges(),await this.stopAudioInput(),await this.stopVideoInput()}async listAudioInputDevices(e=!1){let t=await this.listDevicesOfKind("audioinput",e);return this.trace("listAudioInputDevices",e,t),t}async listVideoInputDevices(e=!1){let t=await this.listDevicesOfKind("videoinput",e);return this.trace("listVideoInputDevices",e,t),t}async listAudioOutputDevices(e=!1){let t=await this.listDevicesOfKind("audiooutput",e);return this.trace("listAudioOutputDevices",e,t),t}pushAudioMeetingStateForPermissions(e){var t;null===(t=this.eventController)||void 0===t||t.publishEvent(void 0===e?"audio

17InputUnselected":"audioInputSelected")}pushVideoMeetingStateForPermissions(e){var t;null===(t=this.eventController)||void 0===t||t.publishEvent(void 0===e?"videoInputUnselected":"videoInputSelected")}async startAudioInput(e){return await this.audioInputTaskQueue.add(()=>this.startAudioInputTask(e))}async startAudioInputTask(e){var t;if(void 0===e){this.logger.error("Audio input device cannot be undefined");return}try{if((0,u.isAudioTransformDevice)(e)?(this.logger.info(`Choosing transform input device ${e}`),await this.chooseAudioTransformInputDevice(e)):(this.logger.info(`Choosing intrinsic audio input device ${e}`),this.removeTransform(),await this.chooseInputIntrinsicDevice("audio",e)),this.trace("startAudioInputDevice",e,"success"),this.useWebAudio)return this.attachAudioInputStreamToAudioContext(this.activeDevices.audio.stream),this.pushAudioMeetingStateForPermissions(this.getMediaStreamDestinationNode().stream),await (null===(t=this.transform)||void 0===t?void 0:t.device.mute(this.muted)),this.getMediaStreamDestinationNode().stream;return this.publishAudioInputDidChangeEvent(this.activeDevices.audio.stream),this.activeDevices.audio.stream}catch(e){throw e}}async stopAudioInput(){return this.audioInputTaskQueue.add(()=>this.stopAudioInputTask())}async stopAudioInputTask(){try{if(this.useWebAudio){this.releaseAudioTransformStream();return}this.stopTracksAndRemoveCallbacks("audio")}finally{this.watchForDeviceChangesIfNecessary(),this.publishAudioInputDidChangeEvent(void 0)}}async chooseAudioTransformInputDevice(e){var t;let i;if((null===(t=this.transform)||void 0===t?void 0:t.device)===e)return;if(!this.useWebAudio)throw Error("Cannot apply transform device without enabling Web Audio.");let n=C.getAudioContext();if(n instanceof OfflineAudioContext);else switch(n.state){case"running":break;case"closed":throw Error("Cannot choose a transform device with a closed audio context.");case"suspended":await n.resume()}try{i=await e.createAudioNode(n)}catch(e){throw this.logger.error(`Unable to create transform device node: ${e}.`),e}let r=await e.intrinsicDevice();await this.chooseInputIntrinsicDevice("audio",r),this.logger.debug(`Got inner stream: ${r}.`),this.setTransform(e,i)}async chooseVideoTransformInputDevice(e){var t;if(this.eventController&&e instanceof l.default&&e.passEventControllerToProcessors(this.eventController),this.statsCollector&&e instanceof l.default&&e.setStatsCollector(this.statsCollector),e===this.chosenVideoTransformDevice){this.logger.info("Reselecting same VideoTransformDevice");return}let i=this.chosenVideoTransformDevice;i&&this.logger.info("Switched from previous VideoTransformDevice");let n=await e.intrinsicDevice();if(!this.isMediaStreamReusableByDeviceId(null===(t=this.activeDevices.video)||void 0===t?void 0:t.stream,n)){this.logger.info("video transform device needs new intrinsic device"),i&&i.onOutputStreamDisconnect(),this.chosenVideoTransformDevice=e,this.activeDevices.video=null,await this.chooseInputIntrinsicDevice("video",n),this.logger.info("apply processors to transform"),await this.chosenVideoTransformDevice.transformStream(this.activeDevices.video.stream);return}this.chosenVideoTransformDevice=e,this.logger.info("video transform device uses previous stream"),this.logger.info("apply processors to transform"),await e.transformStream(this.activeDevices.video.stream)}async startVideoInput(e){return await this.videoInputTaskQueue.add(()=>this.startVideoInputTask(e))}async startVideoInputTask(e){if(!e){this.logger.error("Invalid video input device");return}try{if((0,y.isVideoTransformDevice)(e))return this.logger.info(`Choosing video transform device ${e}`),await this.chooseVideoTransformInputDevice(e),this.publishVideoInputDidChangeEvent(this.chosenVideoTransformDevice.outputMediaStream),this.chosenVideoTransformDevice.outputMediaStream;return this.chosenVideoInputIsTransformDevice()&&(this.chosenVideoTransformDevice.onOutputStreamDisconnect(),this.chosenVideoTransformDevice=null),await this.chooseInputIntrinsicDevice("video",e),this.trace("startVideoInputDevice",e),this.publishVideoInputDidChangeEvent(this.activeDevices.video.stream),this.activeDevices.video.stream}catch(e){throw e}}async stopVideoInput(){return this.videoInputTaskQueue.add(()=>this.stopVideoInputTask())}async stopVideoInputTask(){try{if(this.chosenVideoInputIsTransformDevice()

17){this.releaseVideoTransformStream();return}this.stopTracksAndRemoveCallbacks("video")}finally{this.watchForDeviceChangesIfNecessary(),this.publishVideoInputDidChangeEvent(void 0)}}async chooseAudioOutput(e){this.audioOutputDeviceId=e,this.watchForDeviceChangesIfNecessary();let t=this.deviceInfoFromDeviceId("audiooutput",this.audioOutputDeviceId);this.publishAudioOutputDidChangeEvent(t),this.trace("chooseAudioOutput",e,null)}addDeviceChangeObserver(e){this.logger.info("adding device change observer"),this.deviceChangeObservers.add(e),this.watchForDeviceChangesIfNecessary(),this.trace("addDeviceChangeObserver")}removeDeviceChangeObserver(e){this.logger.info("removing device change observer"),this.deviceChangeObservers.delete(e),this.watchForDeviceChangesIfNecessary(),this.trace("removeDeviceChangeObserver")}createAnalyserNodeForAudioInput(){var e,t;if(!this.activeDevices.audio)return null;let i=null===(t=null===(e=this.transform)||void 0===e?void 0:e.nodes)||void 0===t?void 0:t.end;if(i){let e=i.context.createAnalyser();return e.removeOriginalInputs=()=>{try{i.disconnect(e)}catch(e){}},i.connect(e),e}return this.createAnalyserNodeForRawAudioInput()}createAnalyserNodeForRawAudioInput(){return this.activeDevices.audio?this.createAnalyserNodeForStream(this.activeDevices.audio.stream):null}createAnalyserNodeForStream(e){let t=C.getAudioContext(),i=t.createAnalyser(),n=t.createMediaStreamSource(e);return n.connect(i),this.trace("createAnalyserNodeForAudioInput"),i.removeOriginalInputs=()=>{try{n.disconnect(i)}catch(e){}},i}startVideoPreviewForVideoInput(e){if(!this.activeDevices.video){this.logger.warn("cannot bind video preview since video input device has not been chosen"),this.trace("startVideoPreviewForVideoInput",e.id);return}

17c.default.connectVideoStreamToVideoElement(this.chosenVideoTransformDevice?this.chosenVideoTransformDevice.outputMediaStream:this.activeDevices.video.stream,e,!0),this.trace("startVideoPreviewForVideoInput",e.id)}stopVideoPreviewForVideoInput(e){c.default.disconnectVideoStreamFromVideoElement(e,!1),this.trace("stopVideoPreviewForVideoInput",e.id)}setStatsCollector(e){this.statsCollector=e,this.chosenVideoTransformDevice instanceof l.default&&this.chosenVideoTransformDevice.setStatsCollector(e)}setDeviceLabelTrigger(e){if(this.deviceInfoCache){for(let e of this.deviceInfoCache)if(!e.label){this.deviceInfoCache=null;break}}this.deviceLabelTrigger=e,this.trace("setDeviceLabelTrigger")}mixIntoAudioInput(e){let t=null;return this.useWebAudio?(t=C.getAudioContext().createMediaStreamSource(e)).connect(this.getMediaStreamOutputNode()):this.logger.warn("WebAudio is not enabled, mixIntoAudioInput will not work"),this.trace("mixIntoAudioInput",e.id),t}chooseVideoInputQuality(e,t,i){let n=this.browserBehavior.requiresResolutionAlignment(e,t);this.videoInputQualitySettings=new S.default(n[0],n[1],i)}getVideoInputQualitySettings(){return this.videoInputQualitySettings}async acquireAudioInputStream(){return(this.activeDevices.audio||(this.logger.info("No audio device chosen, creating empty audio device"),await this.startAudioInput(null)),this.useWebAudio)?this.getMediaStreamDestinationNode().stream:this.activeDevices.audio.stream}async acquireVideoInputStream(){if(!this.activeDevices.video)throw Error("No video device chosen");return this.chosenVideoInputIsTransformDevice()?this.chosenVideoTransformDevice.outputMediaStream:this.activeDevices.video.stream}async acquireDisplayInputStream(e){throw Error("unsupported")}releaseAudioTransformStream(){this.logger.info("Stopping audio track for Web Audio graph"),this.stopTracksAndRemoveCallbacks("audio"),this.logger.info("Removing audio transform, if there is one."),this.removeTransform(),this.audioInputSourceNode&&(this.audioInputSourceNode.disconnect(),this.audioInputSourceNode=void 0),this.audioInputDestinationNode&&(this.audioInputDestinationNode.disconnect(),this.audioInputDestinationNode=void 0)}releaseVideoTransformStream(){this.logger.info("Stopping video track for transform"),this.stopTracksAndRemoveCallbacks("video"),this.logger.info("Disconnecting video transform"),this.chosenVideoTransformDevice.onOutputStreamDisconnect(),this.chosenVideoTransformDevice=null}stopTracksAndRemoveCallbacks(e){let t=this.activeDevices[e];if(!t)return;let i=t.endedCallback,n=t.trackMuteCallback,r=t.trackUnmuteCallback;for(let s of t.stream.getTracks())s.stop(),i&&s.removeEventListener("ended",i),n&&s.removeEventListener("mute",n),r&&s.removeEventListener("unmute",r),delete t.endedCallback,delete t.trackMuteCallback,delete t.trackUnmuteCallback,delete this.activeDevices[e]}chosenVideoInputIsTransformDevice(){return!!this.chosenVideoTransformDevice}muteLocalAudioInputStream(){this.toggleLocalAudioInputStream(!1)}unmuteLocalAudioInputStream(){this.toggleLocalAudioInputStream(!0)}toggleLocalAudioInputStream(e){var t;let i=this.activeDevices.audio;if(this.useWebAudio&&(i=this.getMediaStreamDestinationNode()),i){for(let t of i.stream.getTracks())t.enabled!==e&&(t.enabled=e);!e!==this.muted&&(this.muted=!e,null===(t=this.transform)||void 0===t||t.device.mute(this.muted))}}static getIntrinsicDeviceId(e){if(!e)return;if("string"==typeof e)return e;if(e.id)return e.id;let t=e.deviceId;return t?"string"==typeof t||Array.isArray(t)?t:"string"==typeof t.exact||Array.isArray(t.exact)?t.exact:void 0:void 0}static createEmptyAudioDevice(){return C.synthesizeAudioDevice(0)}static synthesizeAudioDevice(e){let t=C.getAudioContext(),i=t.createMediaStreamDestination();if(e){let n=t.createGain();n.gain.value=.1,n.connect(i);let r=t.createOscillator();r.frequency.value=e,r.connect(n),r.start()}else{let e=t.createBufferSource();try{e.buffer=t.createBuffer(1,5*t.sampleRate,t.sampleRate)}catch(i){if(i&&"NotSupportedError"===i.name)e.buffer=t.createBuffer(1,5*C.defaultSampleRate,C.defaultSampleRate);else throw i}e.buffer.getChannelData(0)[0]=3e-4,e.loop=!0,e.connect(i),e.start()}return i.stream}async listDevicesOfKind(e,t){return(t||null===this.deviceInfoCache||!this.isWatchingForDeviceChanges())&&await this.updateDeviceInfoCacheFromBrowser(),this.listCachedDevicesOfKind(e)}async updateDeviceInfoCacheFromBrowser(){var e;if("undefined"==typeof MediaDeviceInfo){this.deviceInfoCache=[];return}let t=await navigator.mediaDevices.enumerateDevices(),i=!0;for(let e of t)if(!e.label){i=!1;break}if(!i)try{this.logger.info("attempting to trigger media device labels since they are hidden");let e=await this.deviceLabelTrigger();for(let i of(t=await navigator.mediaDevices.enumerateDevices(),e.getTracks()))i.stop()}catch(t){this.logger.info("unable to get media device labels"),null===(e=this.eventController)||void 0===e||e.publishEvent("deviceLabelTriggerFailed",{deviceLabelTriggerErrorMessage:this.getErrorMessage(t)})}

17this.logger.debug(`Update device info cache with devices: ${JSON.stringify(t)}`),this.deviceInfoCache=t}listCachedDevicesOfKind(e){let t=[];if(this.deviceInfoCache)for(let i of this.deviceInfoCache)i.kind===e&&t.push(i);return t}async handleDeviceChange(){if(null===this.deviceInfoCache)return;if(this.alreadyHandlingDeviceChange){a.default.nextTick(()=>{this.handleDeviceChange()});return}this.alreadyHandlingDeviceChange=!0;let e=this.listCachedDevicesOfKind("audioinput"),t=this.listCachedDevicesOfKind("videoinput"),i=this.listCachedDevicesOfKind("audiooutput");await this.updateDeviceInfoCacheFromBrowser();let n=this.listCachedDevicesOfKind("audioinput"),r=this.listCachedDevicesOfKind("videoinput"),s=this.listCachedDevicesOfKind("audiooutput");this.forEachObserver(a=>{this.areDeviceListsEqual(e,n)||d.Maybe.of(a.audioInputsChanged).map(e=>e.bind(a)(n)),this.areDeviceListsEqual(t,r)||d.Maybe.of(a.videoInputsChanged).map(e=>e.bind(a)(r)),this.areDeviceListsEqual(i,s)||d.Maybe.of(a.audioOutputsChanged).map(e=>e.bind(a)(s))}),this.alreadyHandlingDeviceChange=!1}async handleDeviceStreamEnded(e,t){try{"audio"===e?(this.useWebAudio&&this.browserBehavior.requiresAudioContextResetOnDeviceFailureForWebAudio()?(this.logger.warn("Audio input device which was active is no longer available, suspending and resuming audio context before resetting to empty device to ensure packets are sent"),await this.stopAudioInput(),C.suspendAudioContext(),C.resumeAudioContext()):this.logger.warn("Audio input device which was active is no longer available, resetting to empty device to ensure packets are sent"),await this.startAudioInput(null)):(this.logger.warn("Video input device which was active is no longer available, stopping video"),await this.stopVideoInput())}catch(e){this.logger.error("Failed to choose null device after stream ended.")}"audio"===e?this.forEachObserver(e=>{d.Maybe.of(e.audioInputStreamEnded).map(i=>i.bind(e)(t))}):this.forEachObserver(e=>{d.Maybe.of(e.videoInputStreamEnded).map(i=>i.bind(e)(t))})}forEachObserver(e){for(let t of this.deviceChangeObservers)a.default.nextTick(()=>{this.deviceChangeObservers.has(t)&&e(t)})}forEachMediaStreamBrokerObserver(e){for(let t of this.mediaStreamBrokerObservers)a.default.nextTick(()=>{this.mediaStreamBrokerObservers.has(t)&&e(t)})}areDeviceListsEqual(e,t){return JSON.stringify(e.map(e=>JSON.stringify(e)).sort())===JSON.stringify(t.map(e=>JSON.stringify(e)).sort())}intrinsicDeviceAsMediaStream(e){return e&&e.id?e:null}hasSameMediaStreamId(e,t,i){var n,r,s,a;let o;return"audio"===e?!!(o=null==i?void 0:i.audio.streamId)&&o===(null===(r=null===(n=t.constraints)||void 0===n?void 0:n.audio)||void 0===r?void 0:r.streamId):!!(o=null==i?void 0:i.video.streamId)&&o===(null===(a=null===(s=null==t?void 0:t.constraints)||void 0===s?void 0:s.video)||void 0===a?void 0:a.streamId)}hasSameGroupId(e,t,i){if(""===e)return!0;let n=C.getIntrinsicDeviceId(i);return this.logger.debug(`Checking deviceIds ${n} of type ${typeof n} with groupId ${e}`),"string"==typeof n&&e===this.getGroupIdFromDeviceId(t,n)}getGroupIdFromDeviceId(e,t){if(null!==this.deviceInfoCache){let i=this.listCachedDevicesOfKind(`${e}input`).find(e=>e.deviceId===t);if(i&&i.groupId)return this.logger.debug(`GroupId of deviceId ${t} found in cache is ${i.groupId}`),i.groupId}return this.logger.debug(`GroupId of deviceId ${t} found in cache is empty`),""}handleGetUserMediaError(e,t){if(!e)throw new f.default(e);switch(e.name){case"NotReadableError":case"TrackStartError":throw new p.default(e);case"NotFoundError":case"DevicesNotFoundError":throw new m.default(e);case"NotAllowedError":case"PermissionDeniedError":case"SecurityError":if(t&&t<C.permissionDeniedOriginDetectionThresholdMs)throw new v.default(e,"Permission denied by browser");throw new v.default(e,"Permission denied by user");case"OverconstrainedError":case"ConstraintNotSatisfiedError":throw new g.default(e);case"TypeError":throw new b.default(e);default:throw new f.default(e)}}matchesDeviceSelection(e,t,i,n){return!!(i&&i.stream.active&&(this.hasSameMediaStreamId(e,i,n)||null!==i.groupId&&this.hasSameGroupId(i.groupId,e,t)))&&(this.logger.debug(`Compare current device constraint ${JSON.stringify(i.constraints)} to proposed constraints ${JSON.stringify(n)}`),i.matchesConstraints(n))}async chooseInputIntrinsicDevice(e,t){var i,n;let r=this.getMediaStreamConstraints(e,t);if(this.matchesDeviceSelection(e,t,this.activeDevices[e],r)){this.logger.info(`reusing existing ${e} input device`);return}this.activeDevices[e]&&this.activeDevices[e].stream&&this.stopTracksAndRemoveCallbacks(e);let s=Date.now(),a=new h.default;try{this.logger.info(`requesting new ${e} device with constraint ${JSON.stringify(r)}`);let i=this.intrinsicDeviceAsMediaStream(t);"audio"===e&&null===t?(a.stream=C.createEmptyAudioDevice(),a.constraints=null):(i?(this.logger.info(`using media stream ${i.id} for ${e} device`),a.stream=i):a.stream=await navigator.mediaDevices.getUserMedia(r),a.constraints=r),await this.handleNewInputDevice(e,a)}catch(l){let o=this.getErrorMessage(l);"audio"===e?null===(i=this.eventController)||void 0===i||i.publishEvent("audioInputFailed",{audioInputErrorMessage:o}):null===(n=this.eventController)||void 0===n||n.publishEvent("videoInputFailed",{videoInputErrorMessage:o}),this.logger.error(`failed to get ${e} device for constraints ${JSON.stringify(r)}: ${o}`);let d=!0;if(l&&"constraint"in l&&(this.logger.error(`Over-constrained by constraint: ${l.constraint}`),this.useMediaConstraintsFallback)){let i=this.getMediaStreamConstraints(e,t,!0),n=JSON.stringify(i);if(n!==JSON.stringify(r)){this.logger.info(`retry requesting new ${e} device with minimal constraint ${n}`);try{a.stream=await navigator.mediaDevices.getUserMedia(i),a.constraints=i,await this.handleNewInputDevice(e,a),d=!1}catch(t){this.logger.error(`failed to get ${e} device for constraints ${n}: ${this.getErrorMessage(t)}`)}}}if(d){if("audio"===e){this.logger.info(`choosing null ${e} device instead`);try{a.stream=C.createEmptyAudioDevice(),a.constraints=null,await this.handleNewInputDevice(e,a)}catch(t){this.logger.error(`failed to choose null ${e} device. ${t.name}: ${t.message}`)}}this.handleGetUserMediaError(l,Date.now()-s)}}finally{this.watchForDeviceChangesIfNecessary()}}getErrorMessage(e){return e?e.name&&e.message?`${e.name}: ${e.message}`:e.name?e.name:e.message?e.message:"UnknownError":"UnknownError"}async handleNewInputDevice(e,t){var i;this.logger.info(`got ${e} device for constraints ${JSON.stringify(t.constraints)}`);let n=null===(i=this.getMediaTrackSettings(t.stream))||void 0===i?void 0:i.deviceId;

17t.groupId=n?this.getGroupIdFromDeviceId(e,n):"",this.activeDevices[e]=t,this.logger.debug(`Set activeDevice to ${JSON.stringify(t)}`),this.watchForDeviceChangesIfNecessary();let r=t.stream.getTracks()[0];if(r&&(t.endedCallback=()=>{this.activeDevices[e]&&this.activeDevices[e].stream===t.stream&&(this.handleDeviceStreamEnded(e,n),delete t.endedCallback)},r.addEventListener("ended",t.endedCallback,{once:!0})),"audio"===e){let e=t.stream.getAudioTracks()[0];if(e){let i=e.getSettings().deviceId||t.stream;t.trackMuteCallback=()=>{this.mediaStreamMuteObserver(i,!0)},t.trackUnmuteCallback=()=>{this.mediaStreamMuteObserver(i,!1)},e.addEventListener("mute",t.trackMuteCallback,{once:!1}),e.addEventListener("unmute",t.trackUnmuteCallback,{once:!1}),this.logger.debug("Notifying mute state after selection"),e.muted?t.trackMuteCallback():t.trackUnmuteCallback()}}}calculateMediaStreamConstraints(e,t,i,n){if(n&&1===this.listCachedDevicesOfKind(`${e}input`).length)return!0;let r={};return(this.browserBehavior.requiresNoExactMediaStreamConstraints()?r.deviceId=t:r.deviceId={exact:t},i&&(r.groupId=i),n)?r:"video"===e?(r.width={ideal:this.videoInputQualitySettings.videoWidth}

17,r.height={ideal:this.videoInputQualitySettings.videoHeight},r.frameRate={ideal:this.videoInputQualitySettings.videoFrameRate},r):(this.supportSampleRateConstraint()&&(r.sampleRate={ideal:C.defaultSampleRate}),this.supportSampleSizeConstraint()&&(r.sampleSize={ideal:C.defaultSampleSize}),this.supportChannelCountConstraint()&&(r.channelCount={ideal:C.defaultChannelCount}),{echoCancellation:!0,googEchoCancellation:!0,googEchoCancellation2:!0,googAutoGainControl:!0,googAutoGainControl2:!0,googNoiseSuppression:!0,googNoiseSuppression2:!0,googHighpassFilter:!0,...r})}getMediaStreamConstraintsFromTrackConstraints(e,t){return"audio"===e?{audio:t}:{video:t}}getMediaStreamConstraints(e,t,i=!1){let n={};if(!t)return null;let r=this.intrinsicDeviceAsMediaStream(t);if(r)return n.streamId=r.id,this.getMediaStreamConstraintsFromTrackConstraints(e,n);if("string"==typeof t){let r="";return this.browserBehavior.requiresGroupIdMediaStreamConstraints()&&(null!==this.deviceInfoCache?r=this.getGroupIdFromDeviceId(e,t):this.logger.error("Device cache is not populated. Please make sure to call list devices first")),n=this.calculateMediaStreamConstraints(e,t,r,i),this.getMediaStreamConstraintsFromTrackConstraints(e,n)}return n="object"==typeof t&&"deviceId"in t&&"groupId"in t&&"kind"in t&&"label"in t?this.calculateMediaStreamConstraints(e,t.deviceId,t.groupId,i):t,this.getMediaStreamConstraintsFromTrackConstraints(e,n)}deviceInfoFromDeviceId(e,t){if(null===this.deviceInfoCache)return null;for(let i of this.deviceInfoCache)if(i.kind===e&&i.deviceId===t)return i;return null}hasAppliedTransform(){return!!this.transform}isMediaStreamReusableByDeviceId(e,t){if(!e||!e.active||!t)return!1;if(t.id)return e.id===t.id;let i=this.getMediaTrackSettings(e);if(!i.deviceId)return!1;let n=C.getIntrinsicDeviceId(t);return"string"==typeof n&&i.deviceId===n}getMediaTrackSettings(e){var t;return null===(t=e.getTracks()[0])||void 0===t?void 0:t.getSettings()}reconnectAudioInputs(){if(!this.audioInputSourceNode)return;this.audioInputSourceNode.disconnect();let e=this.getMediaStreamOutputNode();this.audioInputSourceNode.connect(e)}setTransform(e,t){var i,n;null===(n=null===(i=this.transform)||void 0===i?void 0:i.nodes)||void 0===n||n.end.disconnect(),this.transform={nodes:t,device:e};let r=null==t?void 0:t.end,s=this.getMediaStreamDestinationNode();this.logger.debug(`Connecting transform node ${r} to destination ${s}.`),null==r||r.connect(s),this.reconnectAudioInputs()}removeTransform(){var e;let t=this.transform;if(t)return null===(e=this.transform.nodes)||void 0===e||e.end.disconnect(),this.transform=void 0,this.reconnectAudioInputs(),t}attachAudioInputStreamToAudioContext(e){var t;null===(t=this.audioInputSourceNode)||void 0===t||t.disconnect(),this.audioInputSourceNode=C.getAudioContext().createMediaStreamSource(e);let i=this.getMediaStreamOutputNode();this.audioInputSourceNode.connect(i)}getMediaStreamDestinationNode(){return this.audioInputDestinationNode||(this.audioInputDestinationNode=C.getAudioContext().createMediaStreamDestination()),this.audioInputDestinationNode}getMediaStreamOutputNode(){var e,t;return(null===(t=null===(e=this.transform)||void 0===e?void 0:e.nodes)||void 0===t?void 0:t.start)||this.getMediaStreamDestinationNode()}static setDefaultLatencyHint(e){C.defaultLatencyHint=e}static getAudioContext(){if(!C.audioContext){let e={};navigator.mediaDevices.getSupportedConstraints().sampleRate&&(e.sampleRate=C.defaultSampleRate),new r.default().requiresPlaybackLatencyHintForAudioContext()&&(e.latencyHint="playback"),C.defaultLatencyHint&&(e.latencyHint=C.defaultLatencyHint),C.audioContext=new(window.AudioContext||window.webkitAudioContext)(e)}return C.audioContext}static async suspendAudioContext(){return C.audioContext?C.audioContext.suspend():Promise.resolve()}static async resumeAudioContext(){return C.audioContext?C.audioContext.resume():Promise.resolve()}static closeAudioContext(){if(C.audioContext)try{C.audioContext.close()}catch(e){}C.audioContext=null}addMediaStreamBrokerObserver(e){this.mediaStreamBrokerObservers.add(e)}removeMediaStreamBrokerObserver(e){this.mediaStreamBrokerObservers.delete(e)}publishVideoInputDidChangeEvent(e){this.forEachMediaStreamBrokerObserver(t=>{t.videoInputDidChange&&t.videoInputDidChange(e)}

17),this.pushVideoMeetingStateForPermissions(e)}publishAudioInputDidChangeEvent(e){this.forEachMediaStreamBrokerObserver(t=>{t.audioInputDidChange&&t.audioInputDidChange(e)}),this.pushAudioMeetingStateForPermissions(e)}publishAudioOutputDidChangeEvent(e){this.forEachMediaStreamBrokerObserver(t=>{t.audioOutputDidChange&&t.audioOutputDidChange(e)})}supportSampleRateConstraint(){return this.useWebAudio&&!!navigator.mediaDevices.getSupportedConstraints().sampleRate}supportSampleSizeConstraint(){return this.useWebAudio&&!!navigator.mediaDevices.getSupportedConstraints().sampleSize}supportChannelCountConstraint(){return this.useWebAudio&&!!navigator.mediaDevices.getSupportedConstraints().channelCount}trace(e,t,i){let n=`API/DefaultDeviceController/${e}`;void 0!==t&&(n+=` ${JSON.stringify(t)}`),void 0!==i&&(n+=` -> ${JSON.stringify(i)}`),this.logger.info(n)}}C.permissionDeniedOriginDetectionThresholdMs=500,C.defaultVideoWidth=960,C.defaultVideoHeight=540,C.defaultVideoFrameRate=15,C.defaultSampleRate=48e3,C.defaultSampleSize=16,C.defaultChannelCount=1,C.audioContext=null,t.default=C},22752:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.groupId=""}matchesConstraints(e){return JSON.stringify(this.constraints)===JSON.stringify(e)}}t.default=i},64212:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i extends Error{constructor(e,t){super(t||"Error fetching device."),this.cause=e,this.name="GetUserMediaError"}}t.default=i},96225:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.NoOpDeviceControllerWithEventController=void 0;let r=n(i(87617)),s=n(i(31278));class a extends r.default{constructor(e){super(),this.destroyed=!1}async destroy(){this.destroyed=!0}listAudioInputDevices(){return Promise.resolve([])}listVideoInputDevices(){return Promise.resolve([])}listAudioOutputDevices(){return Promise.resolve([])}startAudioInput(e){return Promise.reject()}stopAudioInput(){return Promise.resolve()}startVideoInput(e){return Promise.reject()}stopVideoInput(){return Promise.resolve()}chooseAudioOutput(e){return Promise.reject()}addDeviceChangeObserver(e){}removeDeviceChangeObserver(e){}createAnalyserNodeForAudioInput(){return null}startVideoPreviewForVideoInput(e){}stopVideoPreviewForVideoInput(e){}setDeviceLabelTrigger(e){}mixIntoAudioInput(e){return null}chooseVideoInputQuality(e,t,i){}getVideoInputQualitySettings(){return s.default.VideoDisabled}}t.default=a;class o extends a{constructor(e){super(),this.eventController=e}}t.NoOpDeviceControllerWithEventController=o},92613:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(64212));class s extends r.default{constructor(e){super(e),this.name="NotFoundError"}}t.default=s},27688:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(64212));class s extends r.default{constructor(e){super(e),this.name="NotReadableError"}}t.default=s},88254:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(64212));class s extends r.default{constructor(e,t){super(e),this.constraint=t,this.name="OverconstrainedError"}}t.default=s},27578:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(64212));class s extends r.default{constructor(e,t){super(e,t),this.name="PermissionDeniedError"}}t.default=s},80354:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.inner=e}async mute(e){}async stop(){var e;null===(e=this.node)||void 0===e||e.disconnect()}async intrinsicDevice(){return this.inner}async createAudioNode(e){var t;return null===(t=this.node)||void 0===t||t.disconnect(),this.node=await this.createSingleAudioNode(e),{start:this.node,end:this.node}}}t.default=i},77916:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

17dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(64212));class s extends r.default{constructor(e){super(e),this.name="TypeError"}}t.default=s},31278:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i){this.videoWidth=e,this.videoHeight=t,this.videoFrameRate=i}equals(e){return this.videoWidth===e.videoWidth&&this.videoHeight===e.videoHeight&&this.videoFrameRate===e.videoFrameRate}}i.VideoDisabled=new i(0,0,0),i.VideoResolutionHD=new i(1280,720,30),i.VideoResolutionFHD=new i(1920,1080,30),i.VideoResolutionUHD=new i(3840,2160,30),t.default=i},88295:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.isVideoTransformDevice=function(e){return!!e&&"object"==typeof e&&"transformStream"in e&&"stop"in e&&"intrinsicDevice"in e}},32681:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t){if(this.devicePixelRatioSource=e,this.observerQueue=new Set,this.mediaQueryListener=()=>{this.observerQueue.forEach(e=>{e.devicePixelRatioChanged(this.devicePixelRatioSource.devicePixelRatio())})},"undefined"==typeof window)return;let i=matchMedia(`(resolution: ${this.devicePixelRatioSource.devicePixelRatio()}dppx)`);"function"==typeof i.addEventListener?(i.addEventListener("change",this.mediaQueryListener),this.mediaQueryList=i):"function"==typeof i.addListener?(i.addListener(this.mediaQueryListener),this.mediaQueryList=i):t.warn("ignoring DefaultDevicePixelRatioMonitor")}async destroy(){this.mediaQueryList&&("function"==typeof this.mediaQueryList.addEventListener?this.mediaQueryList.removeEventListener("change",this.mediaQueryListener):this.mediaQueryList.removeListener(this.mediaQueryListener)),delete this.mediaQueryListener,this.observerQueue.clear()}registerObserver(e){this.observerQueue.add(e),e.devicePixelRatioChanged(this.devicePixelRatioSource.devicePixelRatio())}removeObserver(e){this.observerQueue.delete(e)}}t.default=i},70615:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{devicePixelRatio(){return"undefined"!=typeof window&&window&&window.devicePixelRatio?window.devicePixelRatio:1}}t.default=i},31901:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(10832),s=n(i(59503)),a=n(i(6030)),o=n(i(50131));class d{constructor(e){this.worker=null,this.workerURL=null,this.observers=new Set,this.disabled=!1,this.disabledTransforms={},this.redManager=null,this.metricsManager=null,this.supportsRTCScriptTransform=!!window.RTCRtpScriptTransform,this.supportsInsertableStreams=!!RTCRtpSender.prototype.createEncodedStreams,this.logger=e,this.logger.info(`[EncodedTransform] API support - RTCRtpScriptTransform: ${this.supportsRTCScriptTransform}, createEncodedStreams: ${this.supportsInsertableStreams}`),this.supportsRTCScriptTransform||this.supportsInsertableStreams||(this.disabled=!0)}isEnabled(){return!this.disabled}async start(e){this.disabledTransforms=e||{};let t=await this.createWorker();(null==e?void 0:e.redundantAudio)||(this.redManager=new o.default(t,this.logger),await this.redManager.start()),this.metricsManager=new a.default(t,this.logger),await this.metricsManager.start(),this.logger.info("DefaultEncodedTransformManager initialized")}redundantAudioEncodeTransformManager(){return this.redManager||void 0}metricsTransformManager(){return this.metricsManager||void 0}setupAudioSenderTransform(e){this.setupTransform(e,"send","audio")}setupAudioReceiverTransform(e){this.setupTransform(e,"receive","audio")}setupVideoSenderTransform(e){this.setupTransform(e,"send","video")}setupVideoReceiverTransform(e){this.setupTransform(e,"receive","video")}setupTransform(e,t,i){if("send"===t&&!(e instanceof RTCRtpSender))throw Error('Operation "send" requires an RTCRtpSender');if("receive"===t&&!(e instanceof RTCRtpReceiver))throw Error('Operation "receive" requires an RTCRtpReceiver');if(!this.worker)throw Error("Worker not initialized");let n={operation:t,mediaType:i,disabledTransforms:this.disabledTransforms};if(this.supportsRTCScriptTransform)e.transform=new RTCRtpScriptTransform(this.worker,n);else if(this.supportsInsertableStreams){let r=e.createEncodedStreams();this.worker.postMessage({msgType:"StartEncodedTransformWorker",options:n,[i]:{[t]:r}},[r.readable,r.writable])}}async stop(){var e,t;await (null===(e=this.redManager)||void 0===e?void 0:e.stop()),await (null===(t=this.metricsManager)||void 0===t?void 0:t.stop()),this.redManager&&(this.redManager=null),this.metricsManager&&(this.metricsManager=null),this.worker&&(this.worker.terminate(),this.worker=null),this.workerURL&&(URL.revokeObjectURL(this.workerURL),this.workerURL=null),this.logger.info("DefaultEncodedTransformManager stopped")}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}handleWorkerMessage(e){var t,i,n;let s=e.data;if(s.type===r.COMMON_MESSAGE_TYPES.LOG){this.logger.info(`[${s.transformName}] ${null===(t=s.message)||void 0===t?void 0:t.text}`);return}(null===(i=this.redManager)||void 0===i?void 0:i.transformNames().includes(s.transformName))&&this.redManager.handleWorkerMessage(s),(null===(n=this.metricsManager)||void 0===n?void 0:n.transformNames().includes(s.transformName))&&this.metricsManager.handleWorkerMessage(s)}handleWorkerError(e){this.logger.error(`Web Worker error: ${e.message} at ${e.filename}:${e.lineno}:${e.colno}`),this.disable();let t=Error(`Web Worker error: ${e.message}`);for(let e of this.observers)try{e.onEncodedTransformWorkerManagerFailed(t)}catch(e){this.logger.error(`Error notifying observer: ${e}`)}}async createWorker(){try{return this.workerURL=URL.createObjectURL(new Blob([s.default],{type:"application/javascript"})),this.worker=new Worker(this.workerURL),this.worker.onmessage=this.handleWorkerMessage.bind(this),this.worker.onerror=this.handleWorkerError.bind(this),this.logger.info("Web Worker created"),this.worker}catch(e){throw this.logger.error(`Failed to create Web Worker: ${e}`),this.disable(),this.workerURL&&(URL.revokeObjectURL(this.workerURL),this.workerURL=null),e}}async disable(){this.disabled=!0,this.logger.info("Media transforms disabled"),await this.stop()}}t.default=d},82904:function(e,t){"use strict";

17Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t){this.worker=e,this.logger=t}postMessage(e){this.worker.postMessage(e)}}t.default=i},6030:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(10832),s=i(36292),a=n(i(68414)),o=n(i(82904));class d extends o.default{constructor(e,t){super(e,t),this.audioSendMetrics={},this.audioReceiveMetrics={},this.videoSendMetrics={},this.videoReceiveMetrics={},this.observers=new Set,this.metricsReportingScheduler=null,this.METRICS_REPORTING_INTERVAL_MS=1e3}async start(){this.startMetricsReporting()}transformNames(){return[r.TRANSFORM_NAMES.AUDIO_SENDER,r.TRANSFORM_NAMES.AUDIO_RECEIVER,r.TRANSFORM_NAMES.VIDEO_SENDER,r.TRANSFORM_NAMES.VIDEO_RECEIVER]}handleWorkerMessage(e){var t,i;if(e.type===s.MEDIA_METRICS_MESSAGE_TYPES.NEW_SSRC){let n,s,a;let o=null===(t=e.message)||void 0===t?void 0:t.ssrc;if(!o){this.logger.warn("Received NEW_SSRC message without ssrc, ignoring");return}let d=parseInt(o,10);if(isNaN(d)){this.logger.warn(`Received NEW_SSRC message with invalid ssrc: ${o}, ignoring`);return}let l=e.message.firstFrameTimestampMs;if(void 0!==l){let e=parseInt(l,10);isNaN(e)||(n=e)}switch(e.transformName){case r.TRANSFORM_NAMES.AUDIO_SENDER:s="audio",a="send";break;case r.TRANSFORM_NAMES.AUDIO_RECEIVER:s="audio",a="receive";break;case r.TRANSFORM_NAMES.VIDEO_SENDER:s="video",a="send";break;case r.TRANSFORM_NAMES.VIDEO_RECEIVER:s="video",a="receive"}if(s&&a)for(let e of this.observers)try{null===(i=e.onFirstPacketReceived)||void 0===i||i.call(e,s,a,d,n)}catch(e){this.logger.error(`Error notifying first packet observer: ${e}`)}return}if(e.type===r.COMMON_MESSAGE_TYPES.METRICS)try{let t=JSON.parse(e.message.metrics);switch(e.transformName){case r.TRANSFORM_NAMES.AUDIO_SENDER:this.audioSendMetrics=t;break;case r.TRANSFORM_NAMES.AUDIO_RECEIVER:this.audioReceiveMetrics=t;break;case r.TRANSFORM_NAMES.VIDEO_SENDER:this.videoSendMetrics=t;break;case r.TRANSFORM_NAMES.VIDEO_RECEIVER:this.videoReceiveMetrics=t}}catch(e){this.logger.warn(`Failed to handle metrics message: ${e}`)}}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}startMetricsReporting(){this.metricsReportingScheduler=new a.default(this.METRICS_REPORTING_INTERVAL_MS),this.metricsReportingScheduler.start(()=>{this.reportMetrics()})}reportMetrics(){var e;let t={audioSendMetrics:{...this.audioSendMetrics},audioReceiveMetrics:{...this.audioReceiveMetrics},videoSendMetrics:{...this.videoSendMetrics},videoReceiveMetrics:{...this.videoReceiveMetrics}};for(let i of this.observers)try{null===(e=i.encodedTransformMediaMetricsDidReceive)||void 0===e||e.call(i,t)}catch(e){this.logger.error(`Error notifying media metrics observer: ${e}`)}}async stop(){this.metricsReportingScheduler&&(this.metricsReportingScheduler.stop(),this.metricsReportingScheduler=null),this.observers.clear(),this.audioSendMetrics={},this.audioReceiveMetrics={},this.videoSendMetrics={},this.videoReceiveMetrics={}}}t.default=d},50131:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(55728)),s=i(10832),a=i(45617),o=n(i(82904));class d extends o.default{constructor(){super(...arguments),this.numRedundantEncodings=0,this.redundancyEnabled=!0,this.metrics={totalAudioPacketsLost:0,totalAudioPacketsExpected:0,totalAudioPacketsRecoveredRed:0,totalAudioPacketsRecoveredFec:0},this.observers=new Set,this.audioMetricsHistory=[],this.currentNumRedundantEncodings=0,this.lastRedHolddownTimerStartTimestampMs=0,this.lastHighPacketLossEventTimestampMs=0,this.lastAudioRedTurnOffTimestampMs=0,this.maxAudioMetricsHistory=20,this.audioRedPacketLossShortEvalPeriodMs=5e3,this.audioRedPacketLossLongEvalPeriodMs=15e3,this.audioRedHoldDownTimeMs=3e5,this.redRecoveryTimeMs=6e4}transformNames(){return[s.TRANSFORM_NAMES.REDUNDANT_AUDIO]}handleWorkerMessage(e){if(e.type===s.COMMON_MESSAGE_TYPES.METRICS)try{let t=JSON.parse(e.message.metrics),i=parseInt(e.message.ssrc,10);this.updateMetrics(t),this.notifyObservers(i)}catch(e){this.logger.warn(`Failed to handle RED metrics message: ${e}`)}}setAudioPayloadTypes(e){let t=e.get("opus")||0,i=e.get("red")||0,n={transformName:s.TRANSFORM_NAMES.REDUNDANT_AUDIO,type:a.REDUNDANT_AUDIO_MESSAGE_TYPES.OPUS_PAYLOAD_TYPE,message:{payloadType:t.toString()}};this.postMessage(n);let r={transformName:s.TRANSFORM_NAMES.REDUNDANT_AUDIO,type:a.REDUNDANT_AUDIO_MESSAGE_TYPES.RED_PAYLOAD_TYPE,message:{payloadType:i.toString()}};this.postMessage(r),this.logger.info(`[AudioRed] Set payload types - Opus: ${t}, RED: ${i}`)}updateNumRedundantEncodings(e){let t=0;if(e>10?t=2:e>5&&(t=1),t!==this.numRedundantEncodings){this.numRedundantEncodings=t;let i={type:a.REDUNDANT_AUDIO_MESSAGE_TYPES.UPDATE_NUM_REDUNDANT_ENCODINGS,transformName:s.TRANSFORM_NAMES.REDUNDANT_AUDIO,message:{numRedundantEncodings:t.toString()}};this.postMessage(i),this.logger.info(`[AudioRed] Updated redundant encodings to ${t} (packet loss: ${e}%)`)}}setRedundancyEnabled(e){if(this.redundancyEnabled===e)return;this.redundancyEnabled=e;let t={type:e?a.REDUNDANT_AUDIO_MESSAGE_TYPES.ENABLE:a.REDUNDANT_AUDIO_MESSAGE_TYPES.DISABLE,transformName:s.TRANSFORM_NAMES.REDUNDANT_AUDIO};this.postMessage(t),this.logger.info(`[AudioRed] Redundancy ${e?"enabled":"disabled"}`)}metricsDidReceive(e){let{currentTimestampMs:t}=e,i=e.getRTCStatsReport(),n=0,r=0,s=0;

17i.forEach(e=>{"audio"===e.kind&&("outbound-rtp"===e.type?r=e.packetsSent:"remote-inbound-rtp"===e.type&&(n=e.timestamp,s=e.packetsLost))}),(0===this.audioMetricsHistory.length||n>this.audioMetricsHistory[this.audioMetricsHistory.length-1].timestampMs&&r>this.audioMetricsHistory[this.audioMetricsHistory.length-1].totalPacketsSent)&&this.audioMetricsHistory.push({timestampMs:n,totalPacketsSent:r,totalPacketsLost:s}),this.audioMetricsHistory.length>this.maxAudioMetricsHistory&&this.audioMetricsHistory.shift();let a=Math.max(this.lossPercent(this.audioRedPacketLossShortEvalPeriodMs),this.lossPercent(this.audioRedPacketLossLongEvalPeriodMs)),[o,l]=d.getNumRedundantEncodingsForPacketLoss(a);if(l){this.lastHighPacketLossEventTimestampMs=t,this.redundancyEnabled&&(this.setRedundancyEnabled(!1),this.lastAudioRedTurnOffTimestampMs=t);return}if(!this.redundancyEnabled){let e=t-this.lastAudioRedTurnOffTimestampMs,i=t-this.lastHighPacketLossEventTimestampMs;if(e>=this.audioRedPacketLossLongEvalPeriodMs&&i<this.redRecoveryTimeMs)return;this.setRedundancyEnabled(!0),this.maybeResetHoldDownTimer(t)}this.shouldUpdateAudioRedWorkerEncodings(t,o)&&this.updateNumRedundantEncodings(a)}lossPercent(e){if(this.audioMetricsHistory.length<2)return 0;let t=this.audioMetricsHistory[this.audioMetricsHistory.length-1].timestampMs,i=this.audioMetricsHistory[this.audioMetricsHistory.length-1].totalPacketsSent,n=this.audioMetricsHistory[this.audioMetricsHistory.length-1].totalPacketsLost;for(let r=this.audioMetricsHistory.length-2;r>=0;r--)if(t-this.audioMetricsHistory[r].timestampMs>=e)return Math.max(0,Math.min((n-this.audioMetricsHistory[r].totalPacketsLost)/(i-this.audioMetricsHistory[r].totalPacketsSent)*100,100));return 0}static getNumRedundantEncodingsForPacketLoss(e){let t=0,i=!1;return e<=8?t=0:e<=18?t=1:e<=75?t=2:(t=0,i=!0),[t,i]}shouldUpdateAudioRedWorkerEncodings(e,t){return this.currentNumRedundantEncodings===t?(this.maybeResetHoldDownTimer(e),!1):t<this.currentNumRedundantEncodings&&e-this.lastRedHolddownTimerStartTimestampMs<this.audioRedHoldDownTimeMs?(this.logger.debug(`[RED] Hold-down active: ${(e-this.lastRedHolddownTimerStartTimestampMs)/1e3}s / ${this.audioRedHoldDownTimeMs/1e3}s`),!1):(this.currentNumRedundantEncodings=t,this.maybeResetHoldDownTimer(e),!0)}maybeResetHoldDownTimer(e){this.currentNumRedundantEncodings>0&&(this.lastRedHolddownTimerStartTimestampMs=e)}async start(){}async stop(){this.observers.clear(),this.audioMetricsHistory=[]}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}updateMetrics(e){this.metrics={...e}}notifyObservers(e){if(0===this.observers.size)return;let t=new r.default;for(let i of(t.currentTimestampMs=Date.now(),t.ssrc=e,t.totalAudioPacketsLost=this.metrics.totalAudioPacketsLost,t.totalAudioPacketsExpected=this.metrics.totalAudioPacketsExpected,t.totalAudioPacketsRecoveredRed=this.metrics.totalAudioPacketsRecoveredRed,t.totalAudioPacketsRecoveredFec=this.metrics.totalAudioPacketsRecoveredFec,this.observers))i.recoveryMetricsDidReceive(t)}}t.default=d},10832:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.COMMON_MESSAGE_TYPES=t.TRANSFORM_NAMES=void 0,t.TRANSFORM_NAMES={REDUNDANT_AUDIO:"AudioRed",AUDIO_SENDER:"AudioSender",AUDIO_RECEIVER:"AudioReceiver",VIDEO_SENDER:"VideoSender",VIDEO_RECEIVER:"VideoReceiver"},t.COMMON_MESSAGE_TYPES={LOG:"Log",METRICS:"Metrics"};class i{constructor(){this.shouldLog=!0}transformName(){return this.constructor.name}handleMessage(e){}log(e){this.shouldLog&&self.postMessage({type:t.COMMON_MESSAGE_TYPES.LOG,transformName:this.transformName(),message:{text:e}})}}t.default=i},36292:function(e,t,i){"use strict";var n,r=this&&this.__createBinding||(Object.create?function(e,t,i,n){void 0===n&&(n=i);var r=Object.getOwnPropertyDescriptor(t,i);

17(!r||("get"in r?!t.__esModule:r.writable||r.configurable))&&(r={enumerable:!0,get:function(){return t[i]}}),Object.defineProperty(e,n,r)}:function(e,t,i,n){void 0===n&&(n=i),e[n]=t[i]}),s=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),a=this&&this.__importStar||(n=function(e){return(n=Object.getOwnPropertyNames||function(e){var t=[];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[t.length]=i);return t})(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var i=n(e),a=0;a<i.length;a++)"default"!==i[a]&&r(t,e,i[a]);return s(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.VideoReceiverMetricsTransform=t.VideoSenderMetricsTransform=t.AudioReceiverMetricsTransform=t.AudioSenderMetricsTransform=t.MEDIA_METRICS_MESSAGE_TYPES=void 0;let o=a(i(10832));t.MEDIA_METRICS_MESSAGE_TYPES={NEW_SSRC:"NewSSRC"};class d extends o.default{constructor(){super(...arguments),this.metricsMap=new Map,this.reportIntervalMs=500,this.lastReportTime=0}transform(e,i){var n;let r=(null===(n=e.getMetadata)||void 0===n?void 0:n.call(e).synchronizationSource)||0,s=this.metricsMap.get(r);s||(s={packetCount:0,timestamp:0},this.metricsMap.set(r,s),this.log(`Created metrics for SSRC ${r}`),self.postMessage({type:t.MEDIA_METRICS_MESSAGE_TYPES.NEW_SSRC,transformName:this.transformName(),message:{ssrc:String(r),firstFrameTimestampMs:String(Date.now())}})),s.packetCount++,s.timestamp=e.timestamp,i.enqueue(e);let a=Date.now();a-this.lastReportTime>=this.reportIntervalMs&&(this.reportMetrics(),this.lastReportTime=a)}reportMetrics(){let e={};for(let[t,i]of this.metricsMap.entries())e[t]={ssrc:t,...i};self.postMessage({type:o.COMMON_MESSAGE_TYPES.METRICS,transformName:this.transformName(),message:{metrics:JSON.stringify(e)}})}}class l extends d{transformName(){return o.TRANSFORM_NAMES.AUDIO_SENDER}}t.AudioSenderMetricsTransform=l;class c extends d{transformName(){return o.TRANSFORM_NAMES.AUDIO_RECEIVER}}t.AudioReceiverMetricsTransform=c;class u extends d{transformName(){return o.TRANSFORM_NAMES.VIDEO_SENDER}}t.VideoSenderMetricsTransform=u;class h extends d{transformName(){return o.TRANSFORM_NAMES.VIDEO_RECEIVER}}t.VideoReceiverMetricsTransform=h},45617:function(e,t,i){"use strict";var n,r=this&&this.__createBinding||(Object.create?function(e,t,i,n){void 0===n&&(n=i);var r=Object.getOwnPropertyDescriptor(t,i);

17(!r||("get"in r?!t.__esModule:r.writable||r.configurable))&&(r={enumerable:!0,get:function(){return t[i]}}),Object.defineProperty(e,n,r)}:function(e,t,i,n){void 0===n&&(n=i),e[n]=t[i]}),s=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),a=this&&this.__importStar||(n=function(e){return(n=Object.getOwnPropertyNames||function(e){var t=[];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[t.length]=i);return t})(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var i=n(e),a=0;a<i.length;a++)"default"!==i[a]&&r(t,e,i[a]);return s(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.REDUNDANT_AUDIO_MESSAGE_TYPES=void 0;let o=a(i(10832));t.REDUNDANT_AUDIO_MESSAGE_TYPES={OPUS_PAYLOAD_TYPE:"OpusPayloadType",RED_PAYLOAD_TYPE:"RedPayloadType",UPDATE_NUM_REDUNDANT_ENCODINGS:"UpdateNumRedundantEncodings",ENABLE:"Enable",DISABLE:"Disable"};class d extends o.default{constructor(){super(),this.maxRedPacketSizeBytes=1024,this.maxAudioPayloadSizeBytes=1e3,this.maxRedTimestampOffset=16384,this.redHeaderSizeBytes=4,this.redLastHeaderSizeBytes=1,this.redPacketizationTime=960,this.redPacketDistance=2,this.maxRedEncodings=2,this.redMaxRecoveryDistance=this.redPacketDistance*this.maxRedEncodings+1,this.maxEncodingHistorySize=10,this.numRedundantEncodings=0,this.redundancyEnabled=!0,this.lossReportInterval=24e4,this.maxOutOfOrderPacketDistance=16,this.OPUS_BAD_ARG=-1,this.OPUS_INVALID_PACKET=-4,this.OPUS_MAX_OPUS_FRAMES=48,this.OPUS_MAX_FRAME_SIZE_BYTES=1275,this.encodingHistory=[],this.opusPayloadType=0,this.redPayloadType=0,this.initializePacketLogs()}handleMessage(e){var i,n,r;try{switch(e.type){case t.REDUNDANT_AUDIO_MESSAGE_TYPES.RED_PAYLOAD_TYPE:this.setRedPayloadType(parseInt((null===(i=e.message)||void 0===i?void 0:i.payloadType)||"0",10));break;case t.REDUNDANT_AUDIO_MESSAGE_TYPES.OPUS_PAYLOAD_TYPE:this.setOpusPayloadType(parseInt((null===(n=e.message)||void 0===n?void 0:n.payloadType)||"0",10));break;case t.REDUNDANT_AUDIO_MESSAGE_TYPES.UPDATE_NUM_REDUNDANT_ENCODINGS:this.setNumRedundantEncodings(parseInt((null===(r=e.message)||void 0===r?void 0:r.numRedundantEncodings)||"0",10));break;case t.REDUNDANT_AUDIO_MESSAGE_TYPES.ENABLE:this.setRedundancyEnabled(!0);break;case t.REDUNDANT_AUDIO_MESSAGE_TYPES.DISABLE:this.setRedundancyEnabled(!1)}}catch(e){this.log(`Failed to handle message: ${e}`)}}transform(e,t){}transformName(){return o.TRANSFORM_NAMES.REDUNDANT_AUDIO}setRedPayloadType(e){this.redPayloadType=e,this.log(`red payload type set to ${this.redPayloadType}`)}setOpusPayloadType(e){this.opusPayloadType=e,this.log(`opus payload type set to ${this.opusPayloadType}`)}setNumRedundantEncodings(e){this.numRedundantEncodings=e,this.numRedundantEncodings>this.maxRedEncodings&&(this.numRedundantEncodings=this.maxRedEncodings),this.log(`Updated numRedundantEncodings to ${this.numRedundantEncodings}`)}setRedundancyEnabled(e){this.redundancyEnabled=e,this.log(`redundancy ${this.redundancyEnabled?"enabled":"disabled"}`)}enqueueAudioFrameIfPayloadSizeIsValid(e,t){e.data.byteLength>this.maxAudioPayloadSizeBytes||t.enqueue(e)}senderTransform(e,t){if(e.getMetadata().payloadType!==this.redPayloadType){this.enqueueAudioFrameIfPayloadSizeIsValid(e,t);return}let i=this.getPrimaryPayload(e.timestamp,e.data);if(!i){this.enqueueAudioFrameIfPayloadSizeIsValid(e,t);return}let n=this.encode(e.timestamp,i);if(!n){this.enqueueAudioFrameIfPayloadSizeIsValid(e,t);return}e.data=n,this.enqueueAudioFrameIfPayloadSizeIsValid(e,t)}getPrimaryPayload(e,t){let i=this.splitEncodings(e,t);return!i||i.length<1?null:i[i.length-1].payload}splitEncodings(e,t,i=!1,n){let r=new DataView(t),s=r.byteLength,a=0,o=0,d=0,l=0,c=!1,u=[],h=[],f=[];for(;s>0;){if(c=(128&r.getUint8(l))==0){if((127&r.getUint8(l))!==this.opusPayloadType||(a+=this.redLastHeaderSizeBytes,o+=this.redLastHeaderSizeBytes,a>=r.byteLength))return null;d=r.byteLength-a;break}{if(s<this.redHeaderSizeBytes)return null;let t=((3&r.getUint8(l+2))<<8)+r.getUint8(l+3);h.push(t);let i=e-(r.getUint16(l+1)>>2);f.push(i),a+=t+this.redHeaderSizeBytes,o+=this.redHeaderSizeBytes,l+=this.redHeaderSizeBytes,s-=this.redHeaderSizeBytes}}if(!c)return void 0!==n?(u.push({payload:t,isRedundant:!1,seq:n}),u):null;let m=o;for(let e=0;e<f.length;e++){let t=new ArrayBuffer(h[e]);new Uint8Array(t).set(new Uint8Array(r.buffer,m,h[e]),0);let n={timestamp:f[e],payload:t,isRedundant:!0};i&&(n.hasFec=this.opusPacketHasFec(new DataView(t),t.byteLength)),u.push(n),m+=h[e]}let p=r.byteLength-d,g=new ArrayBuffer(d);new Uint8Array(g).set(new Uint8Array(r.buffer,p,d),0);let v={timestamp:e,payload:g,isRedundant:!1,seq:n};return i&&(v.hasFec=this.opusPacketHasFec(new DataView(g),g.byteLength)),u.push(v),u}encode(e,t){let i=t.byteLength;if(0===i||i>=this.maxRedPacketSizeBytes||i>=this.maxAudioPayloadSizeBytes)return null;let n=this.numRedundantEncodings,r=this.redLastHeaderSizeBytes,s=i,a=this.maxAudioPayloadSizeBytes-i-r,o=[],d=[];if(this.redundancyEnabled){let t=this.uint32WrapAround(e-this.redPacket

17izationTime*this.redPacketDistance);for(let i=0;i<n&&!(this.uint32WrapAround(e-t)>=this.maxRedTimestampOffset);i++){let e=t,i=this.encodingHistory.find(t=>t.timestamp===e);if(i||(e=this.uint32WrapAround(t-this.redPacketizationTime),i=this.encodingHistory.find(t=>t.timestamp===e)),i){let e=i.payload.byteLength;if(a<this.redHeaderSizeBytes+e)break;a-=this.redHeaderSizeBytes+e,r+=this.redHeaderSizeBytes,s+=e,o.unshift(i.timestamp),d.unshift(i.payload)}t-=this.redPacketizationTime*this.redPacketDistance,t=this.uint32WrapAround(t)}}let l=new ArrayBuffer(r+s),c=new DataView(l),u=0;for(let t=0;t<o.length;t++){let i=e-o[t];c.setUint8(u,128|this.opusPayloadType),c.setUint16(u+1,i<<2|d[t].byteLength>>8),c.setUint8(u+3,255&d[t].byteLength),u+=this.redHeaderSizeBytes}c.setUint8(u,this.opusPayloadType),u+=this.redLastHeaderSizeBytes;let h=new Uint8Array(l);for(let e=0;e<d.length;e++)h.set(new Uint8Array(d[e]),u),u+=d[e].byteLength;return(h.set(new Uint8Array(t),u),(u+=t.byteLength)!==r+s)?null:(this.updateEncodingHistory(e,t),l)}updateEncodingHistory(e,t){for(let t of this.encodingHistory){let i=this.redPacketizationTime*this.redMaxRecoveryDistance;if(e-t.timestamp>=i)this.encodingHistory.shift();else break}let i=new DataView(t);(this.opusPacketIsCeltOnly(i)||this.opusPacketHasVoiceActivity(i,i.byteLength)>0)&&(this.encodingHistory.length+1>this.maxEncodingHistorySize&&(this.encodingHistory.length=0),this.encodingHistory.push({timestamp:e,payload:t}))}initializePacketLogs(){let e=this.maxOutOfOrderPacketDistance+this.redMaxRecoveryDistance;this.primaryPacketLog={window:Array(e),index:0,windowSize:e},this.redRecoveryLog={window:Array(e),index:0,windowSize:e},this.fecRecoveryLog={window:Array(e),index:0,windowSize:e},this.totalAudioPacketsExpected=0,this.totalAudioPacketsLost=0,this.totalAudioPacketsRecoveredRed=0,this.totalAudioPacketsRecoveredFec=0,this.lastLossReportTimestamp=0}receivePacketLogTransform(e,t){let i=e.getMetadata();if(i.payloadType!==this.redPayloadType){this.enqueueAudioFrameIfPayloadSizeIsValid(e,t);return}let n=this.splitEncodings(e.timestamp,e.data,!0,i.sequenceNumber);if(!n){this.enqueueAudioFrameIfPayloadSizeIsValid(e,t);return}for(let e=n.length-1;e>=0;e--)this.updateLossStats(n[e])&&(this.updateRedStats(n[e]),this.updateFecStats(n[e]));this.maybeReportLossStats(i.synchronizationSource,n[n.length-1].timestamp),this.enqueueAudioFrameIfPayloadSizeIsValid(e,t)}updateLossStats(e){if(e.isRedundant)return!0;let t=e.timestamp,i=e.seq;if(0===this.totalAudioPacketsExpected)return this.totalAudioPacketsExpected=1,this.newestSequenceNumber=i,this.addTimestamp(this.primaryPacketLog,t),!0;let n=this.int16(i-this.newestSequenceNumber);return!(n<-this.maxOutOfOrderPacketDistance)&&(n<0?this.hasTimestamp(this.primaryPacketLog,t)||(this.totalAudioPacketsLost>0&&this.totalAudioPacketsLost--,this.addTimestamp(this.primaryPacketLog,t),this.removeFromRecoveryWindows(t)):n>1&&(this.totalAudioPacketsLost+=n-1),n>0&&(this.totalAudioPacketsExpected+=n,this.newestSequenceNumber=e.seq,this.addTimestamp(this.primaryPacketLog,t)),!0)}updateRedStats(e){if(!e.isRedundant||0===this.totalAudioPacketsLost)return;let t=e.timestamp;!this.hasTimestamp(this.primaryPacketLog,t)&&(this.hasTimestamp(this.redRecoveryLog,t)||(this.totalAudioPacketsRecoveredRed++,this.addTimestamp(this.redRecoveryLog,t)),this.removeTimestamp(this.fecRecoveryLog,t)&&this.totalAudioPacketsRecoveredFec>0&&this.totalAudioPacketsRecoveredFec--)}updateFecStats(e){if(!e.hasFec||0===this.totalAudioPacketsLost)return;let t=e.timestamp-this.redPacketizationTime;this.hasTimestamp(this.primaryPacketLog,t)||this.hasTimestamp(this.redRecoveryLog,t)||this.hasTimestamp(this.fecRecoveryLog,t)||(this.totalAudioPacketsRecoveredFec++,this.addTimestamp(this.fecRecoveryLog,t))}maybeReportLossStats(e,t){void 0===t||t-this.lastLossReportTimestamp<this.lossReportInterval||(self.postMessage({type:o.COMMON_MESSAGE_TYPES.METRICS,transformName:o.TRANSFORM_NAMES.REDUNDANT_AUDIO,message:{ssrc:String(e),metrics:JSON.stringify({totalAudioPacketsLost:this.totalAudioPacketsLost,totalAudioPacketsExpected:this.totalAudioPacketsExpected,totalAudioPacketsRecoveredRed:this.totalAudioPacketsRecoveredRed,totalAudioPacketsRecoveredFec:this.totalAudioPacketsRecoveredFec})}}),this.lastLossReportTimestamp=t)}addTimestamp(e,t){void 0!==t&&(e.window[e.index]=t,e.index=(e.index+1)%e.windowSize)}hasTimestamp(e,t){return!!e.window.find(e=>e===t)}removeTimestamp(e,t){let i=e.window.indexOf(t);return i>=0&&(e.window[i]=void 0,!0)}removeFromRecoveryWindows(e){let t=this.removeTimestamp(this.redRecoveryLog,e);t&&this.totalAudioPacketsRecoveredRed>0&&this.totalAudioPacketsRecoveredRed--,(t=this.removeTimestamp(this.fecRecoveryLog,e))&&this.totalAudioPacketsRecoveredFec>0&&this.totalAudioPacketsRecoveredFec--}uint32WrapAround(e){let t=e;return e>=4294967296?t=e-4294967296:e<0&&(t=4294967296+e),t}int16(e){return e<<16>>16}opusPacketIsCeltOnly(e){return!!(128&e.getUint8(0))}

17opusPacketGetSamplesPerFrame(e,t){let i,n;return t=Math.min(Math.max(t=Math.round(t),-4294967296),4294967296-1),this.opusPacketIsCeltOnly(e)?(n=e.getUint8(0)>>3&3,i=(t<<n)/400):i=(96&e.getUint8(0))==96?8&e.getUint8(0)?t/50:t/100:3==(n=e.getUint8(0)>>3&3)?60*t/1e3:(t<<n)/100,i}opusNumSilkFrames(e){let t=this.opusPacketGetSamplesPerFrame(e,48e3)/48;switch(t<10&&(t=10),t){case 10:case 20:return 1;case 40:return 2;case 60:return 3;default:return 0}}opusPacketGetNumChannels(e){return 4&e.getUint8(0)?2:1}opusParseSize(e,t,i,n){return i<1?(n[0]=-1,-1):252>e.getUint8(t)?(n[0]=e.getUint8(t),1):i<2?(n[0]=-1,-1):(n[0]=4*e.getUint8(t+1)+e.getUint8(t),2)}opusPacketParseImpl(e,t,i,n,r,s,a,o){let d,l;if(!s||t<0)return this.OPUS_BAD_ARG;if(0===t)return this.OPUS_INVALID_PACKET;let c=0,u=!1,h=e.getUint8(0);n&&(n[0]=h);let f=t-1,m=1,p=f;switch(3&h){case 0:d=1;break;case 1:if(d=2,u=!0,!i){if(1&f)return this.OPUS_INVALID_PACKET;p=f/2,s[0][0]=p}break;case 2:if(d=2,l=this.opusParseSize(e,m,f,s[0]),f-=l,s[0][0]<0||s[0][0]>f)return this.OPUS_INVALID_PACKET;m+=l,p=f-s[0][0];break;default:if(f<1)return this.OPUS_INVALID_PACKET;let g=e.getUint8(m++);if(--f,(d=63&g)<=0||this.opusPacketGetSamplesPerFrame(e,48e3)*d>5760)return this.OPUS_INVALID_PACKET;if(64&g){let t,i;do{if(f<=0)return this.OPUS_INVALID_PACKET;t=e.getUint8(m++),--f,f-=i=255===t?254:t,c+=i}while(255===t)}if(f<0)return this.OPUS_INVALID_PACKET;if(u=!(128&g)){if(!i){if((p=Math.trunc(f/d))*d!==f)return this.OPUS_INVALID_PACKET;for(let e=0;e<d-1;++e)s[e][0]=p}}else{p=f;for(let t=0;t<d-1;++t){if(l=this.opusParseSize(e,m,f,s[t]),f-=l,s[t][0]<0||s[t][0]>f)return this.OPUS_INVALID_PACKET;m+=l,p-=l+s[t][0]}if(p<0)return this.OPUS_INVALID_PACKET}}if(i){if(l=this.opusParseSize(e,m,f,s[d-1]),f-=l,s[d-1][0]<0||s[d-1][0]>f)return this.OPUS_INVALID_PACKET;if(m+=l,u){if(s[d-1][0]*d>f)return this.OPUS_INVALID_PACKET;for(let e=0;e<d-1;++e)s[e][0]=s[d-1][0]}else if(!(l+s[d-1][0]<=p))return this.OPUS_INVALID_PACKET}else{if(p>this.OPUS_MAX_FRAME_SIZE_BYTES)return this.OPUS_INVALID_PACKET;s[d-1][0]=p}a&&(a[0]=m);for(let e=0;e<d;++e)r&&(r[e][0]=m),m+=s[e][0];return o&&(o[0]=m+c),d}opusPacketParse(e,t,i,n,r,s){return this.opusPacketParseImpl(e,t,!1,i,n,r,s,null)}opusPacketHasVoiceActivity(e,t){if(!e||t<=0)return 0;if(this.opusPacketIsCeltOnly(e))return -1;let i=this.opusNumSilkFrames(e);if(0===i)return -1;let n=Array(this.OPUS_MAX_OPUS_FRAMES),r=Array(this.OPUS_MAX_OPUS_FRAMES);for(let e=0;e<this.OPUS_MAX_OPUS_FRAMES;++e)n[e]=[void 0],r[e]=[void 0];let s=this.opusPacketParse(e,t,null,n,r,null);if(s<0)return -1;for(let t=0;t<s;++t)if(!(r[t][0]<1)&&(e.getUint8(n[t][0])>>8-i||2===this.opusPacketGetNumChannels(e)&&e.getUint8(n[t][0])<<i+1>>8-i))return 1;return 0}opusPacketHasFec(e,t){if(!e||t<=0||this.opusPacketIsCeltOnly(e))return!1;let i=Array(this.OPUS_MAX_OPUS_FRAMES),n=Array(this.OPUS_MAX_OPUS_FRAMES);for(let e=0;e<this.OPUS_MAX_OPUS_FRAMES;++e)i[e]=[void 0],n[e]=[void 0];if(0>this.opusPacketParse(e,t,null,i,n,null)||n[0][0]<=1)return!1;let r=this.opusNumSilkFrames(e);if(0===r)return!1;let s=this.opusPacketGetNumChannels(e);if(1!==s&&2!==s)return!1;for(let t=0;t<s;t++)if(e.getUint8(i[0][0])&128>>(t+1)*(r+1)-1)return!0;return!1}}t.default=d},59503:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default="// Bundled media transform worker code\n\"use strict\";\n\n// === EncodedTransform.js ===\n// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Transform name constants to ensure consistency between worker and manager.\n */\nconst TRANSFORM_NAMES = {\n    REDUNDANT_AUDIO: 'AudioRed',\n    AUDIO_SENDER: 'AudioSender',\n    AUDIO_RECEIVER: 'AudioReceiver',\n    VIDEO_SENDER: 'VideoSender',\n    VIDEO_RECEIVER: 'VideoReceiver',\n};\n/**\n * Common message types used by all transforms.\n */\nconst COMMON_MESSAGE_TYPES = {\n    LOG: 'Log',\n    METRICS: 'Metrics',\n};\n/**\n * Abstract base class for WebRTC encoded media transforms running in a Web Worker.\n * Provides logging infrastructure and message handling for transform implementations.\n */\nclass EncodedTransform {\n    constructor() {\n        this.shouldLog = true;\n    }\n    transformName() {\n        return this.constructor.name;\n    }\n    /**\n     * Handles configuration messages from the main thread. Override in subclasses.\n     */\n    handleMessage(_message) {\n        // Default: no-op\n    }\n    log(message) {\n        if (!this.shouldLog)\n            return;\n        self.postMessage({\n            type: COMMON_MESSAGE_TYPES.LOG,\n            transformName: this.transformName(),\n            message: { text: message },\n        });\n    }\n}\n//# sourceMappingURL=EncodedTransform.js.map\n\n// === RedundantAudioEncodedTransform.js ===\n// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Message types specific to RedundantAudio transform.\n */\nconst REDUNDANT_AUDIO_MESSAGE_TYPES = {\n    OPUS_PAYLOAD_TYPE: 'OpusPayloadType',\n    RED_PAYLOAD_TYPE: 'RedPayloadType',\n    UPDATE_NUM_REDUNDANT_ENCODINGS: 'UpdateNumRedundantEncodings',\n    ENABLE: 'Enable',\n    DISABLE: 'Disable',\n};\n/**\n * Implements RFC 2198 RED (Redundant Audio Data) encoding/decoding for Opus audio.\

17n *\n * Sender: Encodes primary + redundant payloads to recover from packet loss.\n * Receiver: Logs packets for loss/recovery statistics (does not decode RED).\n *\n * Dynamically adjusts redundancy level (0-2 encodings) based on packet loss.\n * Supports Opus FEC detection for recovery metrics calculation.\n */\nclass RedundantAudioEncodedTransform extends EncodedTransform {\n    constructor() {\n        super();\n        // Each payload must be less than 1024 bytes to fit the 10 bit block length\n        this.maxRedPacketSizeBytes = 1 << 10;\n        // Limit payload to 1000 bytes to handle small MTU. 1000 is chosen because in Chromium-based browsers, writing audio\n        // payloads larger than 1000 bytes using the WebRTC Insertable Streams API (which is used to enable dynamic audio\n        // redundancy) will cause an error to be thrown and cause audio flow to permanently stop. See\n        // https://crbug.com/1248479.\n        this.maxAudioPayloadSizeBytes = 1000;\n        // Each payload can encode a timestamp delta of 14 bits\n        this.maxRedTimestampOffset = 1 << 14;\n        // 4 byte RED header\n        this.redHeaderSizeBytes = 4;\n        // reduced size for last RED header\n        this.redLastHeaderSizeBytes = 1;\n        // P-Time for Opus 20 msec packets\n        // We do not support other p-times or clock rates\n        this.redPacketizationTime = 960;\n        // distance between redundant payloads, Opus FEC handles a distance of 1\n        this.redPacketDistance = 2;\n        // maximum number of redundant payloads per RTP packet\n        this.maxRedEncodings = 2;\n        // Maximum number of encodings that can be recovered with a single RED packet, assuming the primary and redundant\n        // payloads have FEC.\n        this.redMaxRecoveryDistance = this.redPacketDistance * this.maxRedEncodings + 1;\n        // maximum history of prior payloads to keep\n        // generally we will expire old entries based on timestamp\n        // this limit is in place just to make sure the history does not\n        // grow too large in the case of erroneous timestamp inputs\n        this.maxEncodingHistorySize = 10;\n        // Current number of encodings we want to send\n        // to the remote end. This will be dynamically\n        // updated through the setNumEncodingsFromPacketloss API\n        this.numRedundantEncodings = 0;\n        // Used to enable or disable redundancy\n        // in response to very high packet loss events\n        this.redundancyEnabled = true;\n        // Loss stats reported every 5 seconds (48000 samples/sec * 5 sec)\n        this.lossReportInterval = 48000 * 5;\n        this.maxOutOfOrderPacketDistance = 16;\n        /**\n         * Below are Opus helper methods and constants.\n         */\n        this.OPUS_BAD_ARG = -1;\n        this.OPUS_INVALID_PACKET = -4;\n        // Max number of Opus frames in an Opus packet is 48 (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.5).\n        this.OPUS_MAX_OPUS_FRAMES = 48;\n        // Max number of bytes that any individual Opus frame can have.\n        this.OPUS_MAX_FRAME_SIZE_BYTES = 1275;\n        this.encodingHistory = new Array();\n        this.opusPayloadType = 0;\n        this.redPayloadType = 0;\n        this.initializePacketLogs();\n    }\n    /**\n     * Handle configuration messages from main thread\n     */\n    handleMessage(message) {\n        var _a, _b, _c;\n        try {\n            const msgType = message.type;\n            switch (msgType) {\n                case REDUNDANT_AUDIO_MESSAGE_TYPES.RED_PAYLOAD_TYPE:\n                    this.setRedPayloadType(parseInt(((_a = message.message) === null || _a === void 0 ? void 0 : _a.payloadType) || '0', 10));\n                    break;\n                case REDUNDANT_AUDIO_MESSAGE_TYPES.OPUS_PAYLOAD_TYPE:\n                    this.setOpusPayloadType(parseInt(((_b = message.message) === null || _b === void 0 ? void 0 : _b.payloadType) || '0', 10));\n                    break;\n                case REDUNDANT_AUDIO_MESSAGE_TYPES.UPDATE_NUM_REDUNDANT_ENCODINGS:\n                    this.setNumRedundantEncodings(parseInt(((_c = message.message) === null || _c === void 0 ? void 0 : _c.numRedundantEncodings) || '0', 10));\n                    break;\n                case REDUNDANT_AUDIO_MESSAGE_TYPES.ENABLE:\n                    this.setRedundancyEnabled(true);\n                    break;\n                case REDUNDANT_AUDIO_MESSAGE_TYPES.DISABLE:\n                    this.setRedundancyEnabled(false);\n                    break;\n            }\n        }\n        catch (e) {\n            this.log(`Failed to handle message: ${e}`);\n        }\n    }\n    /** Not used directly - use senderTransform or receivePacketLogTransform. */\n    transform(_frame, _controller) {\n        // Not used - use senderTransform or receivePacketLogTransform\n    }\n    transformName() {\n        return TRANSFORM_NAMES.REDUNDANT_AUDIO;\n    }\n    /**\n     * Set the RED payload type ideally obtained from local offer.\n     */\n    setRedPayloadType(payloadType) {\n        this.redPayloadType = payloadType;\n        this.log(`red payload type set to ${this.redPayloadType}`);\n    }\n    /**\n     * Set the opus payload type ideally obtained from local offer.\n     */\n    setOpusPayloadType(payloadType) {\n        this.opusPayloadType = payloadType;\n        this.log(`opus payload type set to ${this.opusPayloadType}`);\n    }\n    /**\n     * Set the number of redundant encodings\n     */\n    setNumRedundantEncodings(numRedundantEncodings) {\n        this.numRedundantEncodings = numRedundantEncodings;\n        if (this.numRedundantEncodings > this.maxRedEncodings) {\n            this.numRedundantEncodings = this.maxRedEncodings;\n        }\n        this.log(`Updated numRedundantEncodings to ${this.numRedundantEncodings}`);\n    }\n    /**\n     * Enable or disable redundancy in response to\n     * high packet loss event.\n     */\n    setRedundancyEnabled(enabled) {\n        this.redundancyEnabled = enabled;\n        this.log(`redundancy ${this.redundancyEnabled ? 'enabled' : 'disabled'}`);\n    }\n    /**\n     * Helper function to only enqueue audio frames if they do not exceed the audio payload byte limit imposed by\n     * Chromium-based browsers. Chromium will throw an error (https://crbug.com/1248479) if an audio payload larger than\n     * 1000 bytes is enqueued. Any controller that attempts to enqueue an audio payload larger than 1000 bytes will\n     * encounter this error and will permanently stop sending or receiving audio.\n     */\n    enqueueAudioFrameIfPayloadSizeIsValid(frame, controller) {\n        if (frame.data.byteLength > this.maxAudioPayloadSizeBytes)\n            return;\n        controller.enqueue(frame);\n    }\n    /**\n     * Receives encoded frames and modifies as needed before sending to transport.\n     */\n    senderTransform(frame, controller) {\n        const frameMetadata = frame.getMetadata();\n        if (frameMetadata.payloadType !== this.redPayloadType) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        const primaryPayloadBuffer = this.getPrimaryPayload(frame.timestamp, frame.data);\n        if (!primaryPayloadBuffer) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        const encodedBuffer = this.encode(frame.timestamp, primaryPayloadBuffer);\n        /* istanbul ignore next */\n        if (!encodedBuffer) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        frame.data = encodedBuffer;\n        this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n        return;\n    }\n    /**\n     * Get the primary payload from encoding\n     */\n    getPrimaryPayload(primaryTimestamp, frame) {\n        const encodings = this.splitEncodings(primaryTimestamp, frame);\n        if (!encodings || encodings.length < 1)\n            return null;\n        return encodings[encodings.length - 1].payload;\n    }\n    /**\n     * Split up the encoding received into primary and redundant encodings\n     * These will be ordered oldest to newest which is the same ordering\n     * in the RTP red payload.\n     */\n    splitEncodings(primaryTimestamp, frame, getFecInfo = false, primarySequenceNumber = undefined) {\n        // process RED headers (according to RFC 2198)\n        //   0                   1                   2                   3\n        //   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\n        //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n        //  |F|   block PT  |  timestamp offset         |   block length    |\n        //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n        //\n        // last header\n        //   0 1 2 3 4 5 6 7\n        //  +-+-+-+-+-+-+-+-+\n        //  |0|   Block PT  |\n        //  +-+-+-+-+-+-+-+-+\n        const payload = new DataView(frame);\n        let payloadSizeBytes = payload.byteLength;\n        let totalPayloadSizeBytes = 0;\n        let totalHeaderSizeBytes = 0;\n        let primaryPayloadSizeBytes = 0;\n        let payloadOffset = 0;\n        let gotLastBlock = false;\n        const encodings = new Array();\n        const redundantEncodingBlockLengths = new Array();\n        const redundantEncodingTimestamps = new Array();\n        while (payloadSizeBytes > 0) {\n            gotLastBlock = (payload.getUint8(payloadOffset) & 0x80) === 0;\n            if (gotLastBlock) {\n                // Bits 1 through 7 are payload type\n                const payloadType = payload.getUint8(payloadOffset) & 0x7f;\n                // Unexpected payload type. This is a bad packet.\n                if (payloadType !== this.opusPayloadType) {\n                    return null;\n                }\n                totalPayloadSizeBytes += this.redLastHeaderSizeBytes;\n                totalHeaderSizeBytes += this.redLastHeaderSizeBytes;\n                // Accumulated block lengths are equal to or larger than the buffer, which means there is no primary block. This\n                // is a bad packet.\n                if (totalPayloadSizeBytes >= payload.byteLength) {\n                    return null;\n                }\n                primaryPayloadSizeBytes = payload.byteLength - totalPayloadSizeBytes;\n                break;\n            }\n            else {\n                if (payloadSizeBytes < this.redHeaderSizeBytes) {\n                    return null;\n                }\n                // Bits 22 through 31 are payload length\n                const blockLength = ((payload.getUint8(payloadOffset + 2) & 0x03) << 8) + payload.getUint8(payloadOffset + 3);\n                redundantEncodingBlockLengths.push(blockLength);\n                const timestampOffset = payload.getUint16(payloadOffset + 1) >> 2;\n                const timestamp = primaryTimestamp - timestampOffset;\n                redundantEncodingTimestamps.push(timestamp);\n                totalPayloadSizeBytes += blockLength + this.redHeaderSizeBytes;\n                totalHeaderSizeBytes += this.redHeaderSizeBytes;\n                payloadOffset += this.redHeaderSizeBytes;\n                payloadSizeBytes -= this.redHeaderSizeBytes;\n            }\n        }\n        // The last block was never found. The packet we received\n        // does not have a good RED payload.\n        if (!gotLastBlock) {\n            // Note that sequence numbers only exist for\n            // incoming audio frames.\n            if (primarySequenceNumber !== undefined) {\n                // This could be a possible padding packet used\n                // for BWE with a good sequence number.\n                // Create a dummy encoding to make sure loss values\n                // are calculated correctly by consuming sequence number.\n                // Note that for the receive side, we process packets only\n                // for loss/recovery calculations and forward the original\n                // packet without changing it even in the error case.\n                encodings.push({\n                    payload: frame,\n                    isRedundant: false,\n                    seq: primarySequenceNumber,\n                });\n                return encodings;\n            }\n            // This is a bad packet.\n            return null;\n        }\n        let redundantPayloadOffset = totalHeaderSizeBytes;\n        for (let i = 0; i < redundantEncodingTimestamps.length;

17 i++) {\n            const redundantPayloadBuffer = new ArrayBuffer(redundantEncodingBlockLengths[i]);\n            const redundantPayloadArray = new Uint8Array(redundantPayloadBuffer);\n            redundantPayloadArray.set(new Uint8Array(payload.buffer, redundantPayloadOffset, redundantEncodingBlockLengths[i]), 0);\n            const encoding = {\n                timestamp: redundantEncodingTimestamps[i],\n                payload: redundantPayloadBuffer,\n                isRedundant: true,\n            };\n            if (getFecInfo) {\n                encoding.hasFec = this.opusPacketHasFec(new DataView(redundantPayloadBuffer), redundantPayloadBuffer.byteLength);\n            }\n            encodings.push(encoding);\n            redundantPayloadOffset += redundantEncodingBlockLengths[i];\n        }\n        const primaryPayloadOffset = payload.byteLength - primaryPayloadSizeBytes;\n        const primaryPayloadBuffer = new ArrayBuffer(primaryPayloadSizeBytes);\n        const primaryArray = new Uint8Array(primaryPayloadBuffer);\n        primaryArray.set(new Uint8Array(payload.buffer, primaryPayloadOffset, primaryPayloadSizeBytes), 0);\n        const encoding = {\n            timestamp: primaryTimestamp,\n            payload: primaryPayloadBuffer,\n            isRedundant: false,\n            seq: primarySequenceNumber,\n        };\n        if (getFecInfo) {\n            encoding.hasFec = this.opusPacketHasFec(new DataView(primaryPayloadBuffer), primaryPayloadBuffer.byteLength);\n        }\n        encodings.push(encoding);\n        return encodings;\n    }\n    /**\n     * Create a new encoding with current primary payload and the older payloads of choice.\n     */\n    encode(primaryTimestamp, primaryPayload) {\n        const primaryPayloadSize = primaryPayload.byteLength;\n        // Payload size needs to be valid.\n        if (primaryPayloadSize === 0 ||\n            primaryPayloadSize >= this.maxRedPacketSizeBytes ||\n            primaryPayloadSize >= this.maxAudioPayloadSizeBytes) {\n            return null;\n        }\n        const numRedundantEncodings = this.numRedundantEncodings;\n        let headerSizeBytes = this.redLastHeaderSizeBytes;\n        let payloadSizeBytes = primaryPayloadSize;\n        let bytesAvailable = this.maxAudioPayloadSizeBytes - primaryPayloadSize - headerSizeBytes;\n        const redundantEncodingTimestamps = new Array();\n        const redundantEncodingPayloads = new Array();\n        // If redundancy is disabled then only send the primary payload\n        if (this.redundancyEnabled) {\n            // Determine how much redundancy we can fit into our packet\n            let redundantTimestamp = this.uint32WrapAround(primaryTimestamp - this.redPacketizationTime * this.redPacketDistance);\n            for (let i = 0; i < numRedundantEncodings; i++) {\n                // Do not add redundant encodings that are beyond the maximum timestamp offset.\n                if (this.uint32WrapAround(primaryTimestamp - redundantTimestamp) >= this.maxRedTimestampOffset) {\n                    break;\n                }\n                let findTimestamp = redundantTimestamp;\n                let encoding = this.encodingHistory.find(e => e.timestamp === findTimestamp);\n                if (!encoding) {\n                    // If not found or not important then look for the previous packet.\n                    // The current packet may have included FEC for the previous, so just\n                    // use the previous packet instead provided that it has voice activity.\n                    findTimestamp = this.uint32WrapAround(redundantTimestamp - this.redPacketizationTime);\n                    encoding = this.encodingHistory.find(e => e.timestamp === findTimestamp);\n                }\n                if (encoding) {\n                    const redundantEncodingSizeBytes = encoding.payload.byteLength;\n                    // Only add redundancy if there are enough bytes available.\n                    if (bytesAvailable < this.redHeaderSizeBytes + redundantEncodingSizeBytes)\n                        break;\n                    bytesAvailable -= this.redHeaderSizeBytes + redundantEncodingSizeBytes;\n                    headerSizeBytes += this.redHeaderSizeBytes;\n                    payloadSizeBytes += redundantEncodingSizeBytes;\n                    redundantEncodingTimestamps.unshift(encoding.timestamp);\n                    redundantEncodingPayloads.unshift(encoding.payload);\n                }

17\n                redundantTimestamp -= this.redPacketizationTime * this.redPacketDistance;\n                redundantTimestamp = this.uint32WrapAround(redundantTimestamp);\n            }\n        }\n        const redPayloadBuffer = new ArrayBuffer(headerSizeBytes + payloadSizeBytes);\n        const redPayloadView = new DataView(redPayloadBuffer);\n        // Add redundant encoding header(s) to new buffer\n        let redPayloadOffset = 0;\n        for (let i = 0; i < redundantEncodingTimestamps.length; i++) {\n            const timestampDelta = primaryTimestamp - redundantEncodingTimestamps[i];\n            redPayloadView.setUint8(redPayloadOffset, this.opusPayloadType | 0x80);\n            redPayloadView.setUint16(redPayloadOffset + 1, (timestampDelta << 2) | (redundantEncodingPayloads[i].byteLength >> 8));\n            redPayloadView.setUint8(redPayloadOffset + 3, redundantEncodingPayloads[i].byteLength & 0xff);\n            redPayloadOffset += this.redHeaderSizeBytes;\n        }\n        // Add primary encoding header to new buffer\n        redPayloadView.setUint8(redPayloadOffset, this.opusPayloadType);\n        redPayloadOffset += this.redLastHeaderSizeBytes;\n        // Add redundant payload(s) to new buffer\n        const redPayloadArray = new Uint8Array(redPayloadBuffer);\n        for (let i = 0; i < redundantEncodingPayloads.length; i++) {\n            redPayloadArray.set(new Uint8Array(redundantEncodingPayloads[i]), redPayloadOffset);\n            redPayloadOffset += redundantEncodingPayloads[i].byteLength;\n        }\n        // Add primary payload to new buffer\n        redPayloadArray.set(new Uint8Array(primaryPayload), redPayloadOffset);\n        redPayloadOffset += primaryPayload.byteLength;\n        /* istanbul ignore next */\n        // Sanity check that we got the expected total payload size.\n        if (redPayloadOffset !== headerSizeBytes + payloadSizeBytes)\n            return null;\n        this.updateEncodingHistory(primaryTimestamp, primaryPayload);\n        return redPayloadBuffer;\n    }\n    /** Maintains encoding history for redundancy, keeping only recent important packets. */\n    updateEncodingHistory(primaryTimestamp, primaryPayload) {\n        // Remove encodings from the history if they are too old.\n        for (const encoding of this.encodingHistory) {\n            const maxTimestampDelta = this.redPacketizationTime * this.redMaxRecoveryDistance;\n            if (primaryTimestamp - encoding.timestamp >= maxTimestampDelta) {\n                this.encodingHistory.shift();\n            }\n            else {\n                break;\n            }\n        }\n        // Only add an encoding to the history if the encoding is deemed to be important. An encoding is important if it is\n        // a CELT-only packet or contains voice activity.\n        const packet = new DataView(primaryPayload);\n        if (this.opusPacketIsCeltOnly(packet) ||\n            this.opusPacketHasVoiceActivity(packet, packet.byteLength) > 0) {\n            // Check if adding an encoding will cause the length of the encoding history to exceed the maximum history size.\n            // This is not expected to happen but could occur if we get incorrect timestamps. We want to make sure our memory\n            // usage is bounded. In this case, just clear the history and start over from empty.\n            if (this.encodingHistory.length + 1 > this.maxEncodingHistorySize)\n                this.encodingHistory.length = 0;\n            this.encodingHistory.push({ timestamp: primaryTimestamp, payload: primaryPayload });\n        }\n    }\n    /** Initializes packet logs and resets all metric counters. */\n    initializePacketLogs() {\n        // The extra space from the max RED recovery distance is to ensure that we do not incorrectly count recovery for\n        // packets that have already been received but are outside of the max out-of-order distance.\n        const packetLogSize = this.maxOutOfOrderPacketDistance + this.redMaxRecoveryDistance;\n        this.primaryPacketLog = {\n            window: new Array(packetLogSize),\n            index: 0,\n            windowSize: packetLogSize,\n        };\n        this.redRecoveryLog = {\n            window: new Array(packetLogSize),\n            index: 0,\n            windowSize: packetLogSize,\n        };

17\n        this.fecRecoveryLog = {\n            window: new Array(packetLogSize),\n            index: 0,\n            windowSize: packetLogSize,\n        };\n        this.totalAudioPacketsExpected = 0;\n        this.totalAudioPacketsLost = 0;\n        this.totalAudioPacketsRecoveredRed = 0;\n        this.totalAudioPacketsRecoveredFec = 0;\n        this.lastLossReportTimestamp = 0;\n    }\n    /** Receiver transform: logs packets for loss/recovery stats without modifying frames. */\n    receivePacketLogTransform(frame, controller) {\n        const frameMetadata = frame.getMetadata();\n        if (frameMetadata.payloadType !== this.redPayloadType) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        const encodings = this.splitEncodings(frame.timestamp, frame.data, \n        /*getFecInfo*/ true, frameMetadata.sequenceNumber);\n        if (!encodings) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        for (let i = encodings.length - 1; i >= 0; i--) {\n            if (this.updateLossStats(encodings[i])) {\n                this.updateRedStats(encodings[i]);\n                this.updateFecStats(encodings[i]);\n            }\n        }\n        this.maybeReportLossStats(frameMetadata.synchronizationSource, encodings[encodings.length - 1].timestamp);\n        this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n    }\n    /** Updates loss stats from primary packets. Returns false if packet is too old. */\n    updateLossStats(encoding) {\n        if (encoding.isRedundant)\n            return true;\n        const timestamp = encoding.timestamp;\n        const seq = encoding.seq;\n        if (this.totalAudioPacketsExpected === 0) {\n            this.totalAudioPacketsExpected = 1;\n            this.newestSequenceNumber = seq;\n            this.addTimestamp(this.primaryPacketLog, timestamp);\n            return true;\n        }\n        const diff = this.int16(seq - this.newestSequenceNumber);\n        if (diff < -this.maxOutOfOrderPacketDistance)\n            return false;\n        if (diff < 0) {\n            if (!this.hasTimestamp(this.primaryPacketLog, timestamp)) {\n                if (this.totalAudioPacketsLost > 0)\n                    this.totalAudioPacketsLost--;\n                this.addTimestamp(this.primaryPacketLog, timestamp);\n                this.removeFromRecoveryWindows(timestamp);\n            }\n        }\n        else if (diff > 1) {\n            this.totalAudioPacketsLost += diff - 1;\n        }\n        if (diff > 0) {\n            this.totalAudioPacketsExpected += diff;\n            this.newestSequenceNumber = encoding.seq;\n            this.addTimestamp(this.primaryPacketLog, timestamp);\n        }\n        return true;\n    }\n    /** Tracks RED recovery for packets not in primary log. */\n    updateRedStats(encoding) {\n        if (!encoding.isRedundant || this.totalAudioPacketsLost === 0)\n            return;\n        const timestamp = encoding.timestamp;\n        if (!this.hasTimestamp(this.primaryPacketLog, timestamp)) {\n            if (!this.hasTimestamp(this.redRecoveryLog, timestamp)) {\n                this.totalAudioPacketsRecoveredRed++;\n                this.addTimestamp(this.redRecoveryLog, timestamp);\n            }\n            if (this.removeTimestamp(this.fecRecoveryLog, timestamp)) {\n                /* istanbul ignore else */\n                if (this.totalAudioPacketsRecoveredFec > 0)\n                    this.totalAudioPacketsRecoveredFec--;\n            }\n        }\n    }\n    /** Tracks FEC recovery for packets not in primary or RED recovery logs. */\n    updateFecStats(encoding) {\n        if (!encoding.hasFec || this.totalAudioPacketsLost === 0)\n            return;\n        const fecTimestamp = encoding.timestamp - this.redPacketizationTime;\n        if (this.hasTimestamp(this.primaryPacketLog, fecTimestamp) ||\n            this.hasTimestamp(this.redRecoveryLog, fecTimestamp) ||\n            this.hasTimestamp(this.fecRecoveryLog, fecTimestamp)) {\n            return;\n        }\n        this.totalAudioPacketsRecoveredFec++;\n        this.addTimestamp(this.fecRecoveryLog, fecTimestamp);\n    }\n    /** Reports loss/recovery metrics to main thread at configured intervals. */\n    maybeReportLossStats(ssrc, timestamp) {\

17n        if (timestamp === undefined ||\n            timestamp - this.lastLossReportTimestamp < this.lossReportInterval)\n            return;\n        self.postMessage({\n            type: COMMON_MESSAGE_TYPES.METRICS,\n            transformName: TRANSFORM_NAMES.REDUNDANT_AUDIO,\n            message: {\n                ssrc: String(ssrc),\n                metrics: JSON.stringify({\n                    totalAudioPacketsLost: this.totalAudioPacketsLost,\n                    totalAudioPacketsExpected: this.totalAudioPacketsExpected,\n                    totalAudioPacketsRecoveredRed: this.totalAudioPacketsRecoveredRed,\n                    totalAudioPacketsRecoveredFec: this.totalAudioPacketsRecoveredFec,\n                }),\n            },\n        });\n        this.lastLossReportTimestamp = timestamp;\n    }\n    /** Adds a timestamp to a packet log's circular buffer. */\n    addTimestamp(packetLog, timestamp) {\n        if (timestamp === undefined) {\n            return;\n        }\n        packetLog.window[packetLog.index] = timestamp;\n        packetLog.index = (packetLog.index + 1) % packetLog.windowSize;\n    }\n    /** Checks if a timestamp exists in a packet log. */\n    hasTimestamp(packetLog, timestamp) {\n        const element = packetLog.window.find(t => t === timestamp);\n        return !!element;\n    }\n    /**\n     * Removes a timestamp from a packet log\n     *\n     * @param packetLog : The packetlog from which the timestamp should be removed\n     * @param timestamp : The timestamp to be removed\n     * @returns true if timestamp was present in the log and removed, false otherwise\n     */\n    removeTimestamp(packetLog, timestamp) {\n        const index = packetLog.window.indexOf(timestamp);\n        if (index >= 0) {\n            packetLog.window[index] = undefined;\n            return true;\n        }\n        return false;\n    }\n    /**\n     * Removes a timestamp from red and fec recovery windows.\n     *\n     * @param timestamp : The timestamp to be removed\n     */\n    removeFromRecoveryWindows(timestamp) {\n        let removed = this.removeTimestamp(this.redRecoveryLog, timestamp);\n        if (removed) {\n            if (this.totalAudioPacketsRecoveredRed > 0)\n                this.totalAudioPacketsRecoveredRed--;\n        }\n        removed = this.removeTimestamp(this.fecRecoveryLog, timestamp);\n        if (removed) {\n            if (this.totalAudioPacketsRecoveredFec > 0)\n                this.totalAudioPacketsRecoveredFec--;\n        }\n    }\n    /**\n     * Converts the supplied argument to 32-bit unsigned integer\n     */\n    uint32WrapAround(num) {\n        const mod = 4294967296; // 2^32\n        let res = num;\n        if (num >= mod) {\n            res = num - mod;\n        }\n        else if (num < 0) {\n            res = mod + num;\n        }\n        return res;\n    }\n    /**\n     * Converts the supplied argument to 16-bit signed integer\n     */\n    int16(num) {\n        return (num << 16) >> 16;\n    }\n    /**\n     * Determines if an Opus packet is in CELT-only mode.\n     *\n     * @param packet Opus packet.\n     * @returns `true` if the packet is in CELT-only mode.\n     */\n    opusPacketIsCeltOnly(packet) {\n        // TOC byte format (https://www.rfc-editor.org/rfc/rfc6716#section-3.1):\n        //  0\n        //  0 1 2 3 4 5 6 7\n        // +-+-+-+-+-+-+-+-+\n        // | config  |s| c |\n        // +-+-+-+-+-+-+-+-+\n        // Since CELT-only packets are represented using configurations 16 to 31, the highest 'config' bit will always be 1\n        // for CELT-only packets.\n        return !!(packet.getUint8(0) & 0x80);\n    }\n    /**\n     * Gets the number of samples per frame from an Opus packet.\n     *\n     * @param packet Opus packet. This must contain at least one byte of data.\n     * @param sampleRateHz 32-bit integer sampling rate in Hz. This must be a multiple of 400 or inaccurate results will\n     *                     be returned.\n     * @returns Number of samples per frame.\n     */\n    opusPacketGetSamplesPerFrame(packet, sampleRateHz) {\n        // Sample rate must be a 32-bit integer.\n        sampleRateHz = Math.round(sampleRateHz);\n        sampleRateHz = Math.min(Math.max(sampleRateHz, -(2 ** 32)), 2 ** 32 - 1);\n        // TOC byte format (https://www.rfc-editor.org/rfc/rfc6716#section-3.1):\n        //  0\n        //  0 1 2 3 4 5 6 7\n        // +-+-+-+-+-+-+-+-+\n        // | config  |s| c |\n        // +-+-+-+-+-+-+-+-+\n        let numSamples;\n        let frameSizeOption;\n        // Case for CELT-only packet.\n        if (this.opusPacketIsCeltOnly(packet)) {\n            // The lower 3 'config' bits indicate the frame size option.\n            frameSizeOption = (packet.getUint8(0) >> 3) & 0x3;\n            // The frame size options 0, 1, 2, 3 correspond to frame sizes of 2.5, 5, 10, 20 ms. Notice that the frame sizes\n            // can be represented as (2.5 * 2^0), (2.5 * 2^1), (2.5 * 2^2), (2.5 * 2^3) ms. So, the number of samples can be\n            // calculated as follows:\n            // (sample/s) * (1s/1000ms) * (2.5ms) * 2^(frameSizeOption)\n            // = (sample/s) * (1s/400) * 2^(frameSizeOption)\n            // = (sample/s) * 2^(frameSizeOption) * (1s/400)\n            numSamples = (sampleRateHz << frameSizeOption) / 400;\n        }\n        // Case for Hybrid packet. Since Hybrid packets are represented using configurations 12 to 15, bits 1 and 2 in the\n        // above TOC byte diagram will both be 1.\n        else if ((packet.getUint8(0) & 0x60) === 0x60) {\n            // In the case of configuration 13 or 15, bit 4 in the above TOC byte diagram will be 1. Configurations 13 and 15\n            // correspond to a 20ms frame size, so the number of samples is calculated as follows:\n            // (sample/s) * (1s/1000ms) * (20ms)\n            // = (sample/s) * (1s/50)\n            //\n            // In the case of configuration 12 or 14, bit 4 in the above TOC byte diagram will be 0. Configurations 12 and 14\

17n            // correspond to a 10ms frame size, so the number of samples is calculated as follows:\n            // (sample/s) * (1s/1000ms) * (10ms)\n            // = (sample/s) * (1s/100)\n            numSamples = packet.getUint8(0) & 0x08 ? sampleRateHz / 50 : sampleRateHz / 100;\n        }\n        // Case for SILK-only packet.\n        else {\n            // The lower 3 'config' bits indicate the frame size option for SILK-only packets.\n            frameSizeOption = (packet.getUint8(0) >> 3) & 0x3;\n            if (frameSizeOption === 3) {\n                // Frame size option 3 corresponds to a frame size of 60ms, so the number of samples is calculated as follows:\n                // (sample/s) * (1s/1000ms) * (60ms)\n                // = (sample/s) * (60ms) * (1s/1000ms)\n                numSamples = (sampleRateHz * 60) / 1000;\n            }\n            else {\n                // The frame size options 0, 1, 2 correspond to frame sizes of 10, 20, 40 ms. Notice that the frame sizes can be\n                // represented as (10 * 2^0), (10 * 2^1), (10 * 2^2) ms. So, the number of samples can be calculated as follows:\n                // (sample/s) * (1s/1000ms) * (10ms) * 2^(frameSizeOption)\n                // = (sample/s) * (1s/100) * 2^(frameSizeOption)\n                // = (sample/s) * 2^(frameSizeOption) * (1s/100)\n                numSamples = (sampleRateHz << frameSizeOption) / 100;\n            }\n        }\n        return numSamples;\n    }\n    /**\n     * Gets the number of SILK frames per Opus frame.\n     *\n     * @param packet Opus packet.\n     * @returns Number of SILK frames per Opus frame.\n     */\n    opusNumSilkFrames(packet) {\n        // For computing the frame length in ms, the sample rate is not important since it cancels out. We use 48 kHz, but\n        // any valid sample rate would work.\n        //\n        // To calculate the length of a frame (with a 48kHz sample rate) in ms:\n        // (samples/frame) * (1s/48000 samples) * (1000ms/s)\n        // = (samples/frame) * (1000ms/48000 samples)\n        // = (samples/frame) * (1ms/48 samples)\n        let frameLengthMs = this.opusPacketGetSamplesPerFrame(packet, 48000) / 48;\n        if (frameLengthMs < 10)\n            frameLengthMs = 10;\n        // The number of SILK frames per Opus frame is described in https://www.rfc-editor.org/rfc/rfc6716#section-4.2.2.\n        switch (frameLengthMs) {\n            case 10:\n            case 20:\n                return 1;\n            case 40:\n                return 2;\n            case 60:\n                return 3;\n            // It is not possible to reach the default case since an Opus packet can only encode sizes of 2.5, 5, 10, 20, 40,\n            // or 60 ms, so we ignore the default case for test coverage.\n            /* istanbul ignore next */\n            default:\n                return 0;\n        }\n    }\n    /**\n     * Gets the number of channels from an Opus packet.\n     *\n     * @param packet Opus packet.\n     * @returns Number of channels.\n     */\n    opusPacketGetNumChannels(packet) {\n        // TOC byte format (https://www.rfc-editor.org/rfc/rfc6716#section-3.1):\n        //  0\n        //  0 1 2 3 4 5 6 7\n        // +-+-+-+-+-+-+-+-+\n        // | config  |s| c |\n        // +-+-+-+-+-+-+-+-+\n        // The 's' bit indicates mono or stereo audio, with 0 indicating mono and 1 indicating stereo.\n        return packet.getUint8(0) & 0x4 ? 2 : 1;\n    }\n    /**\n     * Determine the size (in bytes) of an Opus frame.\n     *\n     * @param packet Opus packet.\n     * @param byteOffset Offset (from the start of the packet) to the byte containing the size information.\n     * @param remainingBytes Remaining number of bytes to parse from the Opus packet.\n     * @param sizeBytes Variable to store the parsed frame size (in bytes).\n     * @returns Number of bytes that were parsed to determine the frame size.\n     */\n    opusParseSize(packet, byteOffset, remainingBytes, sizeBytes) {\n        // See https://www.rfc-editor.org/rfc/rfc6716#section-3.2.1 for an explanation of how frame size is represented.\n        // If there are no remaining bytes to parse the size from, then the size cannot be determined.\n        if (remainingBytes < 1) {\n            sizeBytes[0] = -1;\n            return -1;\n        }\n        // If the first byte is in the range 0...251, then this value is the size of the frame.\n        else if (packet.getUint8(byteOffset) < 252) {\n            sizeBytes[0] = packet.getUint8(byteOffset);\n            return 1;\n        }\n        // If the first byte is in the range 252...255, a second byte is needed. If there is no second byte, then the size\n        // cannot be determined.\n        else if (remainingBytes < 2) {\n            sizeBytes[0] = -1;\n            return -1;\n        }\n        // The total size of the frame given two size bytes is:\n        // (4 * secondSizeByte) + firstSizeByte\n        else {\n            sizeBytes[0] = 4 * packet.getUint8(byteOffset + 1) + packet.getUint8(byteOffset);\n            return 2;\n        }\n    }\n    /**\n     * Parse binary data containing an Opus packet into one or more Opus frames.\n     *\n     * @param data Binary data containing an Opus packet to be parsed. The data should begin with the first byte (i.e the\n     *             TOC byte) of an Opus packet. Note that the size of the data does not have to equal the size of the\n     *             contained Opus packet.\n     * @param lenBytes Size of the data (in bytes).\n     * @param selfDelimited Indicates if the Opus packet is self-delimiting\n     *                      (https://www.rfc-editor.org/rfc/rfc6716#appendix-B).\n     * @param tocByte Optional variable to store the TOC (table of contents) byte.\n     * @param frameOffsets Optional variable to store the offsets (from the start of the data) to the first bytes of each\n     *                     Opus frame.\n     * @param frameSizes Required variable to store the sizes (in bytes) of each Opus frame.\n     * @param payloadOffset Optional variable to store the offset (from the start of the data) to the first byte of the\n     *                      payload.\n     * @param packetLenBytes Optional variable to store the length of the Opus packet (in bytes).\n     * @returns Number of Opus frames.\n     */\n    opusPacketParseImpl(data, lenBytes, selfDelimited, tocByte, frameOffsets, frameSizes, payloadOffset, packetLenBytes) {\n        if (!frameSizes || lenBytes < 0)\n            return this.OPUS_BAD_ARG;\n        if (lenBytes === 0)\n            return this.OPUS_INVALID_PACKET;\n        // The number of Opus frames in the packet.\n        let numFrames;\n        // Intermediate storage for the number of bytes parsed to determine the size of a frame.\n        let numBytesParsed;\n        // The number of the padding bytes (excluding the padding count bytes) in the packet.\n        let paddingBytes = 0;\n        // Indicates whether CBR (constant bitrate) framing is used.\n        let cbr = false;\n        // The TOC (table of contents) byte (https://www.rfc-editor.org/rfc/rfc6716#section-3.1).\n        const toc = data.getUint8(0);\n        // Store the TOC byte.\n        if (tocByte)\n            tocByte[0] = toc;\n        // The remaining number of bytes to parse from the packet. Note that the TOC byte has already been parsed, hence the\n        // minus 1.\n        let remainingBytes = lenBytes - 1;\n        // This keeps track of where we are in the packet. This starts at 1 since the TOC byte has already been read.\n        let byteOffset = 1;

17\n        // The size of the last Opus frame in bytes.\n        let lastSizeBytes = remainingBytes;\n        // Read the `c` bits (i.e. code bits) from the TOC byte.\n        switch (toc & 0x3) {\n            // A code 0 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.2) has one frame.\n            case 0:\n                numFrames = 1;\n                break;\n            // A code 1 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.3) has two CBR (constant bitrate) frames.\n            case 1:\n                numFrames = 2;\n                cbr = true;\n                if (!selfDelimited) {\n                    // Undelimited code 1 packets must be an even number of data bytes, otherwise the packet is invalid.\n                    if (remainingBytes & 0x1)\n                        return this.OPUS_INVALID_PACKET;\n                    // The sizes of both frames are equal (i.e. half of the number of data bytes).\n                    lastSizeBytes = remainingBytes / 2;\n                    // If `lastSizeBytes` is too large, we will catch it later.\n                    frameSizes[0][0] = lastSizeBytes;\n                }\n                break;\n            // A code 2 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.4) has two VBR (variable bitrate) frames.\n            case 2:\n                numFrames = 2;\n                numBytesParsed = this.opusParseSize(data, byteOffset, remainingBytes, frameSizes[0]);\n                remainingBytes -= numBytesParsed;\n                // The parsed size of the first frame cannot be larger than the number of remaining bytes in the packet.\n                if (frameSizes[0][0] < 0 || frameSizes[0][0] > remainingBytes) {\n                    return this.OPUS_INVALID_PACKET;\n                }\n                byteOffset += numBytesParsed;\n                // The size of the second frame is the remaining number of bytes after the first frame.\n                lastSizeBytes = remainingBytes - frameSizes[0][0];\n                break;\n            // A code 3 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.5) has multiple CBR/VBR frames (from 0 to\n            // 120 ms).\n            default:\n                // Code 3 packets must have at least 2 bytes (i.e. at least 1 byte after the TOC byte).\n                if (remainingBytes < 1)\n                    return this.OPUS_INVALID_PACKET;\n                // Frame count byte format:\n                //  0\n                //  0 1 2 3 4 5 6 7\n                // +-+-+-+-+-+-+-+-+\n                // |v|p|     M     |\n                // +-+-+-+-+-+-+-+-+\n                //\n                // Read the frame count byte, which immediately follows the TOC byte.\n                const frameCountByte = data.getUint8(byteOffset++);\n                --remainingBytes;\n                // Read the 'M' bits of the frame count byte, which encode the number of frames.\n                numFrames = frameCountByte & 0x3f;\n                // The number of frames in a code 3 packet must not be 0.\n                if (numFrames <= 0)\n                    return this.OPUS_INVALID_PACKET;\n                const samplesPerFrame = this.opusPacketGetSamplesPerFrame(data, 48000);\n                // A single frame can have at most 2880 samples, which happens in the case where 60ms of 48kHz audio is encoded\n                // per frame. A code 3 packet cannot contain more than 120ms of audio, so the total number of samples cannot\n                // exceed 2880 * 2 = 5760.\n                if (samplesPerFrame * numFrames > 5760)\n                    return this.OPUS_INVALID_PACKET;\n                // Parse padding bytes if the 'p' bit is 1.\n                if (frameCountByte & 0x40) {\n                    let paddingCountByte;\n                    let numPaddingBytes;\n                    // Remove padding bytes (including padding count bytes) from the remaining byte count.\n                    do {\n                        // Sanity check that there are enough bytes to parse and remove the padding.\n                        if (remainingBytes <= 0)\n                            return this.OPUS_INVALID_PACKET;\n                        // Get the next padding count byte.\n                        paddingCountByte = data.getUint8(byteOffset++);\n                        --remainingBytes;\n                        // If the padding count byte has a value in the range 0...254, then the total size of the padding is the\n                        // value in the padding count byte.\n                        //\n                        // If the padding count byte has value 255, then the total size of the padding is 254 plus the value in the\n                        // next padding count byte. Therefore, keep reading padding count bytes while the value is 255.\n                        numPaddingBytes = paddingCountByte === 25

175 ? 254 : paddingCountByte;\n                        remainingBytes -= numPaddingBytes;\n                        paddingBytes += numPaddingBytes;\n                    } while (paddingCountByte === 255);\n                }\n                // Sanity check that the remaining number of bytes is not negative after removing the padding.\n                if (remainingBytes < 0)\n                    return this.OPUS_INVALID_PACKET;\n                // Read the 'v' bit (i.e. VBR bit).\n                cbr = !(frameCountByte & 0x80);\n                // VBR case\n                if (!cbr) {\n                    lastSizeBytes = remainingBytes;\n                    // Let M be the number of frames. There will be M - 1 frame length indicators (which can be 1 or 2 bytes)\n                    // corresponding to the lengths of frames 0 to M - 2. The size of the last frame (i.e. frame M - 1) is the\n                    // number of data bytes after the end of frame M - 2 and before the start of the padding bytes.\n                    for (let i = 0; i < numFrames - 1; ++i) {\n                        numBytesParsed = this.opusParseSize(data, byteOffset, remainingBytes, frameSizes[i]);\n                        remainingBytes -= numBytesParsed;\n                        // The remaining number of data bytes must be enough to contain each frame.\n                        if (frameSizes[i][0] < 0 || frameSizes[i][0] > remainingBytes) {\n                            return this.OPUS_INVALID_PACKET;\n                        }\n                        byteOffset += numBytesParsed;\n                        lastSizeBytes -= numBytesParsed + frameSizes[i][0];\n                    }\n                    // Sanity check that the size of the last frame is not negative.\n                    if (lastSizeBytes < 0)\n                        return this.OPUS_INVALID_PACKET;\n                }\n                // CBR case\n                else if (!selfDelimited) {\n                    // The size of each frame is the number of data bytes divided by the number of frames.\n                    lastSizeBytes = Math.trunc(remainingBytes / numFrames);\n                    // The number of data bytes must be a non-negative integer multiple of the number of frames.\n                    if (lastSizeBytes * numFrames !== remainingBytes)\n                        return this.OPUS_INVALID_PACKET;\n                    // All frames have equal size in the undelimited CBR case.\n                    for (let i = 0; i < numFrames - 1; ++i) {\n                        frameSizes[i][0] = lastSizeBytes;\n                    }\n                }\n        }\n        // Self-delimited framing uses an extra 1 or 2 bytes, immediately preceding the data bytes, to indicate either the\n        // size of the last frame (for code 0, code 2, and VBR code 3 packets) or the size of all the frames (for code 1 and\n        // CBR code 3 packets). See https://www.rfc-editor.org/rfc/rfc6716#appendix-B.\n        if (selfDelimited) {\n            // The extra frame size byte(s) will always indicate the size of the last frame.\n            numBytesParsed = this.opusParseSize(data, byteOffset, remainingBytes, frameSizes[numFrames - 1]);\n            remainingBytes -= numBytesParsed;\n            // There must be enough data bytes for the last frame.\n            if (frameSizes[numFrames - 1][0] < 0 || frameSizes[numFrames - 1][0] > remainingBytes) {\n                return this.OPUS_INVALID_PACKET;\n            }\n            byteOffset += numBytesParsed;\n            // For CBR packets, the sizes of all the frames are equal.\n            if (cbr) {\n                // There must be enough data bytes for all the frames.\n                if (frameSizes[numFrames - 1][0] * numFrames > remainingBytes) {\n                    return this.OPUS_INVALID_PACKET;\n                }\n                for (let i = 0; i < numFrames - 1; ++i) {\n                    frameSizes[i][0] = frameSizes[numFrames - 1][0];\n                }\n            }\n            // At this point, `lastSizeBytes` contains the size of the last frame plus the size of the extra frame size\n            // byte(s), so sanity check that `lastSizeBytes` is the upper bound for the size of the last frame.\n            else if (!(numBytesParsed + frameSizes[numFrames - 1][0] <= lastSizeBytes)) {\n                return this.OPUS_INVALID_PACKET;\n            }\n        }\n        // Undelimited case\n        else {\n            // Because the size of the last packet is not encoded explicitly, it is possible that the size of the last packet\n            // (or of all the packets, for the CBR case) is larger than maximum frame size.\n            if (lastSizeBytes > this.OPUS_MAX_FRAME_SIZE_BYTES)\n                return this.OPUS_INVALID_PACKET;\n            frameSizes[numFrames - 1][0] = lastSizeBytes;\n        }\n        // Store the offset to the start of the payload.\n        if (payloadOffset)\n            payloadOffset[0] = byteOffset;\n        // Store the offsets to the start of each frame.\n        for (let i = 0; i < numFrames; ++i) {\n            if (frameOffsets)\n                frameOffsets[i][0] = byteOffset;\n            byteOffset += frameSizes[i][0];\n        }\n        // Store the length of the Opus packet.\n        if (packetLenBytes)\n            packetLenBytes[0] = byteOffset + paddingBytes;\n        return numFrames;\n    }

17\n    /**\n     * Parse a single undelimited Opus packet into one or more Opus frames.\n     *\n     * @param packet Opus packet to be parsed.\n     * @param lenBytes Size of the packet (in bytes).\n     * @param tocByte Optional variable to store the TOC (table of contents) byte.\n     * @param frameOffsets Optional variable to store the offsets (from the start of the packet) to the first bytes of\n     *                     each Opus frame.\n     * @param frameSizes Required variable to store the sizes (in bytes) of each Opus frame.\n     * @param payloadOffset Optional variable to store the offset (from the start of the packet) to the first byte of the\n     *                      payload.\n     * @returns Number of Opus frames.\n     */\n    opusPacketParse(packet, lenBytes, tocByte, frameOffsets, frameSizes, payloadOffset) {\n        return this.opusPacketParseImpl(packet, lenBytes, \n        /* selfDelimited */ false, tocByte, frameOffsets, frameSizes, payloadOffset, null);\n    }\n    /**\n     * This function returns the SILK VAD (voice activity detection) information encoded in the Opus packet. For CELT-only\n     * packets that do not have VAD information, it returns -1.\n     *\n     * @param packet Opus packet.\n     * @param lenBytes Size of the packet (in bytes).\n     * @returns  0: no frame had the VAD flag set.\n     *           1: at least one frame had the VAD flag set.\n     *          -1: VAD status could not be determined.\n     */\n    opusPacketHasVoiceActivity(packet, lenBytes) {\n        if (!packet || lenBytes <= 0)\n            return 0;\n        // In CELT-only mode, we can not determine whether there is VAD.\n        if (this.opusPacketIsCeltOnly(packet))\n            return -1;\n        const numSilkFrames = this.opusNumSilkFrames(packet);\n        // It is not possible for `opusNumSilkFrames()` to return 0, so we ignore the next sanity check for test coverage.\n        /* istanbul ignore next */\n        if (numSilkFrames === 0)\n            return -1;\n        const opusFrameOffsets = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        const opusFrameSizes = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        for (let i = 0; i < this.OPUS_MAX_OPUS_FRAMES; ++i) {\n            opusFrameOffsets[i] = [undefined];\n            opusFrameSizes[i] = [undefined];\n        }\n        // Parse packet to get the Opus frames.\n        const numOpusFrames = this.opusPacketParse(packet, lenBytes, null, opusFrameOffsets, opusFrameSizes, null);\n        // VAD status cannot be determined for invalid packets.\n        if (numOpusFrames < 0)\n            return -1;\n        // Iterate over all Opus frames, which may contain multiple SILK frames, to determine the VAD status.\n        for (let i = 0; i < numOpusFrames; ++i) {\n            if (opusFrameSizes[i][0] < 1)\n                continue;\n            // LP layer header bits format (https://www.rfc-editor.org/rfc/rfc6716#section-4.2.3):\n            //\n            // Mono case:\n            // +-----------------+----------+\n            // | 1 to 3 VAD bits | LBRR bit |\n            // +-----------------+----------+\n            //\n            // Stereo case:\n            // +---------------------+--------------+----------------------+---------------+\n            // | 1 to 3 mid VAD bits | mid LBRR bit | 1 to 3 side VAD bits | side LBRR bit |\n            // +---------------------+--------------+----------------------+---------------+\n            // The upper 1 to 3 bits (dependent on the number of SILK frames) of the LP layer contain VAD bits. If any of\n            // these VAD bits are 1, then voice activity is present.\n            if (packet.getUint8(opusFrameOffsets[i][0]) >> (8 - numSilkFrames))\n                return 1;\n            // In the stereo case, there is a second set of 1 to 3 VAD bits, so also check these VAD bits.\n            const channels = this.opusPacketGetNumChannels(packet);\n            if (channels === 2 &&\n                (packet.getUint8(opusFrameOffsets[i][0]) << (numSilkFrames + 1)) >> (8 - numSilkFrames)) {\n                return 1;\n            }\n        }\n        // No voice activity was detected.\n        return 0;\n    }\n    /**\n     * This method is based on Definition of the Opus Audio Codec\n     * (https://tools.ietf.org/html/rfc6716). Basically, this method is based on\n     * parsing the LP layer of an Opus packet, particularly the LBRR flag.\n     *\n     * @param packet Opus packet.\n     * @param lenBytes Size of the packet (in bytes).\n     * @returns  true: packet has fec encoding about previous packet.\n     *           false: no fec encoding present.\n     */\n    opusPacketHasFec(packet, lenBytes) {\n        if (!packet || lenBytes <= 0)\n            return false;\n        // In CELT-only mode, packets should not have FEC.\n        if (this.opusPacketIsCeltOnly(packet))\n            return false;\n        const opusFrameOffsets = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        const opusFrameSizes = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        for (let i = 0; i < this.OPUS_MAX_OPUS_FRAMES; ++i) {\n            opusFrameOffsets[i] = [undefined];\n            opusFrameSizes[i] = [undefined];\n        }\n        // Parse packet to get the Opus frames.\n        const numOpusFrames = this.opusPacketParse(packet, lenBytes, null, opusFrameOffsets, opusFrameSizes, null);\n        if (numOpusFrames < 0)\n            return false;\n        /* istanbul ignore next */\n        if (opusFrameSizes[0][0] <= 1)\n            return false;\n        const numSilkFrames = this.opusNumSilkFrames(packet);\n        /* istanbul ignore next */\n        if (numSilkFrames === 0)\n            return false;\n        const channels = this.opusPacketGetNumChannels(packet);\n        /* istanbul ignore next */\n        if (channels !== 1 && channels !== 2)\n            return false;\n        // A frame starts with the LP layer. The LP layer begins with two to eight\n        // header bits.These consist of one VAD bit per SILK frame (up to 3),\n        // followed by a single flag indicating the presence of LBRR frames.\n        // For a stereo packet, these first flags correspond to the mid channel, and\n        // a second set of flags is included for the side channel. Because these are\

17n        // the first symbols decoded by the range coder and because they are coded\n        // as binary values with uniform probability, they can be extracted directly\n        // from the most significant bits of the first byte of compressed data.\n        for (let i = 0; i < channels; i++) {\n            if (packet.getUint8(opusFrameOffsets[0][0]) & (0x80 >> ((i + 1) * (numSilkFrames + 1) - 1)))\n                return true;\n        }\n        return false;\n    }\n}\n//# sourceMappingURL=RedundantAudioEncodedTransform.js.map\n\n// === MediaMetricsEncodedTransform.js ===\n// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Message types specific to MediaMetrics transforms.\n */\nconst MEDIA_METRICS_MESSAGE_TYPES = {\n    NEW_SSRC: 'NewSSRC',\n};\n/**\n * Abstract base class for packet-level metrics collection per SSRC.\n * Tracks packet counts and timestamps, periodically reporting to the main thread.\n */\nclass BaseMetricsTransform extends EncodedTransform {\n    constructor() {\n        super(...arguments);\n        this.metricsMap = new Map();\n        this.reportIntervalMs = 500;\n        this.lastReportTime = 0;\n    }\n    /** Processes frames, collects per-SSRC metrics, and forwards unchanged. */\n    transform(frame, controller) {\n        var _a;\n        const ssrc = ((_a = frame.getMetadata) === null || _a === void 0 ? void 0 : _a.call(frame).synchronizationSource) || 0;\n        // Get or create metrics for this SSRC\n        let metrics = this.metricsMap.get(ssrc);\n        if (!metrics) {\n            metrics = { packetCount: 0, timestamp: 0 };\n            this.metricsMap.set(ssrc, metrics);\n            this.log(`Created metrics for SSRC ${ssrc}`);\n            // Timestamp the first frame here so the main thread records the true\n            // send/receive time, not the post-postMessage time.\n            self.postMessage({\n                type: MEDIA_METRICS_MESSAGE_TYPES.NEW_SSRC,\n                transformName: this.transformName(),\n                message: { ssrc: String(ssrc), firstFrameTimestampMs: String(Date.now()) },\n            });\n        }\n        // Collect metrics\n        metrics.packetCount++;\n        metrics.timestamp = frame.timestamp;\n        // Forward frame unchanged\n        controller.enqueue(frame);\n        const now = Date.now();\n        if (now - this.lastReportTime >= this.reportIntervalMs) {\n            this.reportMetrics();\n            this.lastReportTime = now;\n        }\n    }\n    /** Posts aggregated metrics to the main thread via postMessage. */\n    reportMetrics() {\n        const metricsObject = {};\n        for (const [ssrc, metrics] of this.metricsMap.entries()) {\n            metricsObject[ssrc] = { ssrc, ...metrics };\n        }\n        self.postMessage({\n            type: COMMON_MESSAGE_TYPES.METRICS,\n            transformName: this.transformName(),\n            message: { metrics: JSON.stringify(metricsObject) },\n        });\n    }\n}\n/** Collects packet-level metrics for outbound audio streams. */\nclass AudioSenderMetricsTransform extends BaseMetricsTransform {\n    transformName() {\n        return TRANSFORM_NAMES.AUDIO_SENDER;\n    }\n}\n/** Collects packet-level metrics for inbound audio streams. */\nclass AudioReceiverMetricsTransform extends BaseMetricsTransform {\n    transformName() {\n        return TRANSFORM_NAMES.AUDIO_RECEIVER;\n    }\n}\n/** Collects packet-level metrics for outbound video streams. */\nclass VideoSenderMetricsTransform extends BaseMetricsTransform {\n    transformName() {\n        return TRANSFORM_NAMES.VIDEO_SENDER;\n    }\n}\n/** Collects packet-level metrics for inbound video streams. */\nclass VideoReceiverMetricsTransform extends BaseMetricsTransform {\n    transformName() {\n        return TRANSFORM_NAMES.VIDEO_RECEIVER;\n    }\n}\n//# sourceMappingURL=MediaMetricsEncodedTransform.js.map\n\n// === EncodedTransformWorker.js ===\n// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Web Worker entry point for WebRTC encoded media transforms.\n *\n * Manages transform pipelines for audio/video sender/receiver streams using either:\n * - RTCRtpScriptTransform API (modern browsers)\n * - createEncodedStreams() API (legacy fallback)\n *\n * Pipelines:\n * - Audio Sender: encoder → metrics → RED encode → network\n * - Audio Receiver: network → RED decode → metrics → decoder\n * - Video Sender/Receiver: encoder/network → metrics → network/decoder\n */\nclass EncodedTransformWorker {\n    /**\n     * Initializes the worker, sets up transform instances and event handlers.\n     */\n    static initializeWorker() {\n        EncodedTransformWorker.log('Initializing EncodedTransformWorker');\n        // Initialize transform instances\n        EncodedTransformWorker.redundantAudioEncodedTransform = new RedundantAudioEncodedTransform();

17\n        EncodedTransformWorker.audioSenderMetricsTransform = new AudioSenderMetricsTransform();\n        EncodedTransformWorker.audioReceiverMetricsTransform = new AudioReceiverMetricsTransform();\n        EncodedTransformWorker.videoSenderMetricsTransform = new VideoSenderMetricsTransform();\n        EncodedTransformWorker.videoReceiverMetricsTransform = new VideoReceiverMetricsTransform();\n        // Check the DedicatedWorkerGlobalScope for existence of RTCRtpScriptTransformer interface. If exists, then\n        // RTCRtpScriptTransform is supported by this browser.\n        // @ts-ignore - RTCRtpScriptTransformer may not be in all TS lib.dom.d.ts versions\n        if (self.RTCRtpScriptTransformer) {\n            // @ts-ignore - onrtctransform may not be in all TS lib.dom.d.ts versions\n            self.onrtctransform = (event) => {\n                const transformer = event.transformer;\n                const options = transformer.options;\n                const disabledTransforms = options.disabledTransforms || {};\n                EncodedTransformWorker.log(`Setting up transform: operation=${options.operation}, mediaType=${options.mediaType}, disabledTransforms=${JSON.stringify(disabledTransforms)}`);\n                if (options.mediaType === 'audio' && options.operation === 'send') {\n                    EncodedTransformWorker.setupAudioSenderPipeline(transformer, disabledTransforms);\n                }\n                else if (options.mediaType === 'audio' && options.operation === 'receive') {\n                    EncodedTransformWorker.setupAudioReceiverPipeline(transformer, disabledTransforms);\n                }\n                else if (options.mediaType === 'video' && options.operation === 'send') {\n                    EncodedTransformWorker.setupVideoSenderPipeline(transformer);\n                }\n                else if (options.mediaType === 'video' && options.operation === 'receive') {\n                    EncodedTransformWorker.setupVideoReceiverPipeline(transformer);\n                }\n            };\n        }\n        // Message handler for configuration updates and legacy createEncodedStreams() API\n        self.onmessage = (event) => {\n            var _a, _b, _c, _d, _e;\n            const message = event.data;\n            EncodedTransformWorker.log(`Received message: ${message.msgType || message.type}`);\n            // Handle legacy createEncodedStreams() API\n            if (message.msgType === 'StartEncodedTransformWorker') {\n                EncodedTransformWorker.log('Setting up legacy encoded streams');\n                const disabledTransforms = ((_a = message.options) === null || _a === void 0 ? void 0 : _a.disabledTransforms) || {};\n                if ((_b = message.audio) === null || _b === void 0 ? void 0 : _b.send) {\n                    EncodedTransformWorker.setupAudioSenderPipeline({\n                        readable: message.audio.send.readable,\n                        writable: message.audio.send.writable,\n                    }, disabledTransforms);\n                }\n                if ((_c = message.audio) === null || _c === void 0 ? void 0 : _c.receive) {\n                    EncodedTransformWorker.setupAudioReceiverPipeline({\n                        readable: message.audio.receive.readable,\n                        writable: message.audio.receive.writable,\n                    }, disabledTransforms);\n                }\n                if ((_d = message.video) === null || _d === void 0 ? void 0 : _d.send) {\n                    EncodedTransformWorker.setupVideoSenderPipeline({\n                        readable: message.video.send.readable,\n                        writable: message.video.send.writable,\n                    });\n                }\n                if ((_e = message.video) === null || _e === void 0 ? void 0 : _e.receive) {\n                    EncodedTransformWorker.setupVideoReceiverPipeline({\n                        readable: message.video.receive.readable,\n                        writable: message.video.receive.writable,\n                    });\n                }\n            }\n            else if (message.transformName === TRANSFORM_NAMES.REDUNDANT_AUDIO &&\n                EncodedTransformWorker.redundantAudioEncodedTransform) {\n                EncodedTransformWorker.redundantAudioEncodedTransform.handleMessage(message);\n            }\n            else {\n                EncodedTransformWorker.log(`Unknown message type: ${message.type}, transformName: ${message.transformName}`);\n            }\n        };\n    }\n    /**\n     * Posts a log message to the main thread.\n     * @param msg The message to log\n     */\n    static log(msg) {\n        self.postMessage({\n            type: COMMON_MESSAGE_TYPES.LOG,\n            transformName: 'EncodedTransformWorker',\n            message: { text: msg },\n        });\n    }\n    /**\n     * Sets up audio sender pipeline: encoder → metrics → RED encode → network.\n     * If RED is disabled: encoder → metrics → network.\n     * @param transformer The RTCRtpScriptTransformer or legacy streams object\n     * @param disabledTransforms Configuration for disabled transforms\n     */\n    static setupAudioSenderPipeline(transformer, disabledTransforms) {\n        const metricsTransform = new TransformStream({\n            transform: EncodedTransformWorker.audioSen

17derMetricsTransform.transform.bind(EncodedTransformWorker.audioSenderMetricsTransform),\n        });\n        if (disabledTransforms.redundantAudio) {\n            transformer.readable.pipeThrough(metricsTransform).pipeTo(transformer.writable);\n        }\n        else {\n            const redEncodeTransform = new TransformStream({\n                transform: EncodedTransformWorker.redundantAudioEncodedTransform.senderTransform.bind(EncodedTransformWorker.redundantAudioEncodedTransform),\n            });\n            transformer.readable\n                .pipeThrough(metricsTransform)\n                .pipeThrough(redEncodeTransform)\n                .pipeTo(transformer.writable);\n        }\n    }\n    /**\n     * Sets up video sender pipeline: encoder → metrics → network.\n     * @param transformer The RTCRtpScriptTransformer or legacy streams object\n     */\n    static setupVideoSenderPipeline(transformer) {\n        const metricsTransform = new TransformStream({\n            transform: EncodedTransformWorker.videoSenderMetricsTransform.transform.bind(EncodedTransformWorker.videoSenderMetricsTransform),\n        });\n        transformer.readable.pipeThrough(metricsTransform).pipeTo(transformer.writable);\n    }\n    /**\n     * Sets up audio receiver pipeline: network → RED decode → metrics → decoder.\n     * If RED is disabled: network → metrics → decoder.\n     * @param transformer The RTCRtpScriptTransformer or legacy streams object\n     * @param disabledTransforms Configuration for disabled transforms\n     */\n    static setupAudioReceiverPipeline(transformer, disabledTransforms) {\n        const metricsTransform = new TransformStream({\n            transform: EncodedTransformWorker.audioReceiverMetricsTransform.transform.bind(EncodedTransformWorker.audioReceiverMetricsTransform),\n        });\n        if (disabledTransforms.redundantAudio) {\n            transformer.readable.pipeThrough(metricsTransform).pipeTo(transformer.writable);\n        }\n        else {\n            const redDecodeTransform = new TransformStream({\n                transform: EncodedTransformWorker.redundantAudioEncodedTransform.receivePacketLogTransform.bind(EncodedTransformWorker.redundantAudioEncodedTransform),\n            });\n            transformer.readable\n                .pipeThrough(redDecodeTransform)\n                .pipeThrough(metricsTransform)\n                .pipeTo(transformer.writable);\n        }\n    }\n    /**\n     * Sets up video receiver pipeline: network → metrics → decoder.\n     * @param transformer The RTCRtpScriptTransformer or legacy streams object\n     */\n    static setupVideoReceiverPipeline(transformer) {\n        const metricsTransform = new TransformStream({\n            transform: EncodedTransformWorker.videoReceiverMetricsTransform.transform.bind(EncodedTransformWorker.videoReceiverMetricsTransform),\n        });\n        transformer.readable.pipeThrough(metricsTransform).pipeTo(transformer.writable);\n    }\n}\n// Singleton transform instances shared across all pipelines\nEncodedTransformWorker.redundantAudioEncodedTransform = null;\nEncodedTransformWorker.audioSenderMetricsTransform = null;\nEncodedTransformWorker.audioReceiverMetricsTransform = null;\nEncodedTransformWorker.videoSenderMetricsTransform = null;\nEncodedTransformWorker.videoReceiverMetricsTransform = null;\nEncodedTransformWorker;\n//# sourceMappingURL=EncodedTransformWorker.js.map\n\n// Initialize worker\nEncodedTransformWorker.initializeWorker();\n"},46561:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(4494)),s=n(i(68414)),a=n(i(50794)),o=i(76477);class d{constructor(e,t,i,n,r){this.buffer=[],this.bufferSize=0,this.maxBufferItemCapacityBytes=0,this.ingestionEventSize=0,this.flushIntervalMs=0,this.flushSize=0,this.failedIngestionEvents=[],this.retryCountLimit=15,this.lock=!1,this.highEntropyUpdated=!1,this.cancellableEvents=new Map,this.attributesToFilter=["externalUserId","externalMeetingId","timestampMs"],this.deepCopyCurrentIngestionEvent=e=>({type:e.type,v:e.v,payloads:[...e.payloads]}),this.sendEvents=async()=>

17{if(this.lock)return;let e=this.getItems(this.flushSize);if(0===e.length)return;this.lock=!0,await this.updateMetadataWithHighEntropyValues();let t=this.makeRequestBody(e),i=!1,n=Date.now();"firefox"===this.metadata.browserName.toLowerCase()&&this.cancellableEvents.set(n,e);try{this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendEvents - sending body ${t}`);let e=await this.send(t);if(this.cancellableEvents.delete(n),e.ok)try{let i=await e.json();this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendEvents - send successful events: ${t} message: ${JSON.stringify(i)}`)}catch(e){this.logger.warn(`Event Reporting - InMemoryJSONEventBuffer - sendEvents error reading OK response ${e} for events ${t}`)}else this.logger.error(`Event Reporting - InMemoryJSONEventBuffer - sendEvents - Failed to send events ${t} with response status ${e.status}`),i=!0}catch(e){i=!0,this.logger.warn(`Event Reporting - InMemoryJSONEventBuffer - sendEvents - Error in sending events ${t} to the ingestion endpoint ${e}`)}finally{this.lock=!1}i&&(this.cancellableEvents.delete(n),this.failedIngestionEvents.push(...e))},this.userAgentParser=new a.default(r);let{browserMajorVersion:s,...o}=this.userAgentParser.getParserResult(),{type:d,v:l,...c}=t.toJSON();this.authenticationToken=t.getAuthenticationToken(),this.metadata={...o,...c},Object.keys(this.metadata).forEach(e=>this.attributesToFilter.push(e)),this.type=d,this.v=l,this.ingestionURL=i,this.logger=r,this.importantEvents=new Set(n);let{maxBufferCapacityKb:u,totalBufferItems:h,flushSize:f,flushIntervalMs:m,retryCountLimit:p}=e;this.maxBufferCapacityBytes=1024*u,this.totalBufferItems=h,this.maxBufferItemCapacityBytes=Math.round(this.maxBufferCapacityBytes/h),this.flushIntervalMs=m,this.flushSize=f,this.retryCountLimit=p,this.currentIngestionEvent=this.initializeAndGetCurrentIngestionEvent(),this.beaconEventListener=e=>this.beaconEventHandler(e),this.addEventListeners()}async updateMetadataWithHighEntropyValues(){if(this.highEntropyUpdated)return;this.highEntropyUpdated=!0,await this.userAgentParser.updateWithHighEntropyValues();let{browserMajorVersion:e,...t}=this.userAgentParser.getParserResult();this.metadata={...this.metadata,...t}}addEventListeners(){this.beaconEventListener&&"window"in i.g&&window.addEventListener&&"document"in i.g&&document.addEventListener&&(this.logger.debug("Event Reporting - InMemoryJSONEventBuffer - addEventListeners - adding pagehide and visibility change event listeners"),window.addEventListener("pagehide",this.beaconEventListener),document.addEventListener("visibilitychange",this.beaconEventListener))}beaconEventHandler(e){("visibilitychange"===e.type&&"hidden"===document.visibilityState||"pagehide"===e.type)&&(this.logger.debug("Event Reporting - InMemoryJSONEventBuffer - beaconEventHandler is triggered calling sendBeacon"),this.sendBeacon())}removeEventListeners(){this.beaconEventListener&&"window"in i.g&&window.removeEventListener&&"document"in i.g&&document.removeEventListener&&(window.removeEventListener("pagehide",this.beaconEventListener),document.removeEventListener("visibilitychange",this.beaconEventListener),this.logger.debug("Event Reporting - InMemoryJSONEventBuffer - removeEventListeners - removing pagehide and visibility change event listeners"))}start(){var e;this.removeEventListeners(),this.addEventListeners(),null===(e=this.intervalScheduler)||void 0===e||e.stop(),this.intervalScheduler=new s.default(this.flushIntervalMs),this.intervalScheduler.start(()=>this.sendEvents())}stop(){var e;null===(e=this.intervalScheduler)||void 0===e||e.stop(),this.intervalScheduler=void 0,this.sendBeacon(),this.removeEventListeners()}async addItem(e){this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - addItem - received event ${JSON.stringify(e)}`);let{name:t,ts:i,attributes:n}=e,r=n&&this.filterAttributes(n,this.attributesToFilter),s={name:t,ts:i,...r};this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - addItem - event after filtering attributes ${JSON.stringify(s)}`);let a=this.getSize(s);if(a>d.MAX_ITEM_SIZE_BYTES_ALLOWED)throw Error(`Event Reporting - Item to be added has size ${a} bytes. Item cannot exceed max item size allowed of ${d.MAX_ITEM_SIZE_BYTES_ALLOWED} bytes.`);if(this.importantEvents.has(t)){this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - addItem - sending important event ${JSON.stringify(s)}`),this.sendEventImmediately({name:t,ts:i,attributes:r});return}if(this.isFull())throw this.logger.warn("Event Reporting - Event buffer is full"),Error("Buffer full");if(this.currentIngestionEvent.payloads.push(s),this.ingestionEventSize+=a,this.bufferItemThresholdReached(a)){let e=this.deepCopyCurrentIngestionEvent(this.currentIngestionEvent);this.buffer.push(e),this.bufferSize+=this.ingestionEventSize,this.currentIngestionEvent=this.initializeAndGetCurrentIngestionEvent(),this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - addItem - buffer item threshold reached updated buffer ${JSON.stringify(this.buffer)}`)}}filterAttributes(e,t){let i=new Set(t);return Object.keys(e).filter(e=>

17i.has(e)).forEach(t=>delete e[t]),e}initializeAndGetCurrentIngestionEvent(){let e={type:this.type,v:this.v,payloads:[]};return this.ingestionEventSize=this.getSize(e),e}bufferItemThresholdReached(e){return e+this.ingestionEventSize>=this.maxBufferItemCapacityBytes||this.currentIngestionEvent.payloads.length===d.MAX_PAYLOAD_ITEMS}getSize(e){let t=0;if("object"==typeof e)for(let[i,n]of Object.entries(e))t+=this.getPrimitiveSize(i)+this.getSize(n);else t+=this.getPrimitiveSize(e);return t}getPrimitiveSize(e){let t=0;return"string"==typeof e?t+=2*e.length:"number"==typeof e&&(t+=8),t}isFull(){return this.bufferSize===this.maxBufferCapacityBytes||this.buffer.length===this.totalBufferItems}isEmpty(){return 0===this.buffer.length||0===this.bufferSize}getItems(e,t=0){return this.isEmpty()?[]:(e=Math.min(this.buffer.length,e+1),this.buffer.splice(t,e))}makeBeaconRequestBody(e){return JSON.stringify({metadata:this.metadata,events:e,authorization:this.authenticationToken})}makeRequestBody(e){return JSON.stringify({metadata:this.metadata,events:e})}async sendEventImmediately(e){this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendEventImmediately - important event received ${JSON.stringify(e)}`),await this.updateMetadataWithHighEntropyValues();let{name:t,ts:i,attributes:n}=e,r={type:this.type,v:this.v,payloads:[{name:t,ts:i,...n}]},s=!1,a=null,o=this.makeRequestBody([r]);try{if((a=await this.send(o)).ok){try{let e=await a.json();this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendEventImmediately - send successful event: ${o}, message: ${JSON.stringify(e)}`)}catch(e){this.logger.warn(`Event Reporting - InMemoryJSONEventBuffer - sendEventImmediately - Error reading OK response ${e} for event ${o}`)}return}this.logger.error(`Event Reporting - InMemoryJSONEventBuffer - sendEventImmediately - Failed to send an important event ${o} with response status ${a.status}`),s=!0}catch(e){this.logger.warn(`Event Reporting - There may be a failure in sending an important event ${o} to the ingestion endpoint ${e}.`),s=!0;try{if("firefox"===this.metadata.browserName.toLowerCase()){let e=this.makeBeaconRequestBody([r]);this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendEventImmediately - beaconing data out ${e}`),navigator.sendBeacon(`${this.ingestionURL}?beacon=1`,e)?s=!1:s=!0}}catch(e){this.logger.warn(`Event Reporting - Error sending beacon for an important event ${o}`),s=!0}}s&&(this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendEventImmediately - pushing to failed events ${o}`),this.failedIngestionEvents.push(r))}async send(e){let t=new r.default(d.RETRY_FIXED_BACKOFF_WAIT_MS,d.RETRY_SHORT_BACKOFF_MS,d.RETRY_LONG_BACKOFF_MS);try{let i=0;for(;i<this.retryCountLimit;){let n=await fetch(this.ingestionURL,{method:"POST",headers:{Authorization:`Bearer ${this.authenticationToken}`},body:e});if(n.ok||!d.SENDING_FAILURE_CODES.has(n.status))return n;if(this.logger.warn(`Will retry sending failure for ${e} due to status code ${n.status}.`),++i<this.retryCountLimit){let e=t.nextBackoffAmountMs();await (0,o.wait)(e)}}if(i===this.retryCountLimit)throw Error(`Retry count limit reached for ${e}`)}catch(e){throw e}}async sendBeacon(){let e=this.buffer;if(this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendBeacon - clearing out buffer events ${JSON.stringify(e)}`),this.buffer=[],this.currentIngestionEvent.payloads.length>0){let t=this.deepCopyCurrentIngestionEvent(this.currentIngestionEvent);e.push(t),this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendBeacon - clearing out current ingestion event ${JSON.stringify(t)}`),this.currentIngestionEvent=this.initializeAndGetCurrentIngestionEvent()}if(this.failedIngestionEvents.length>0){let t=this.failedIngestionEvents.map(e=>this.deepCopyCurrentIngestionEvent(e));e.push(...t),this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendBeacon - clearing out any failed ingestion event ${JSON.stringify(t)}`),this.failedIngestionEvents=[]}if(this.cancellableEvents.size>0&&(this.cancellableEvents.forEach(t=>{e.push(...t),this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendBeacon - clearing out each cancellable event ${JSON.stringify(t)}`)}),this.cancellableEvents.clear()),0===e.length)return;let t=this.makeBeaconRequestBody(e);this.logger.debug(`Event Reporting - InMemoryJSONEventBuffer - sendBeacon - beacon data to send ${t}`);try{navigator.sendBeacon(`${this.ingestionURL}?beacon=1`,t)||this.logger.warn(`Event Reporting - Browser failed to queue beacon data ${t}`)}catch(e){this.logger.warn(`Event Reporting - Sending beacon data ${t} failed with error ${e}`)}}reset(){this.maxBufferCapacityBytes=0,this.totalBufferItems=0,this.buffer=[],this.bufferSize=0,this.maxBufferItemCapacityBytes=0,this.ingestionEventSize=0,this.flushIntervalMs=0,this.flushSize=0,this.failedIngestionEvents=[],this.lock=!1,this.beaconEventListener=void 0,this.cancellableEvents.clear()}async destroy(){this.stop(),this.reset()}}d.SENDING_FAILURE_CODES=new Set([408,429,500,502,503,504]),d.RETRY_FIXED_BACKOFF_WAIT_MS=0,d.RETRY_SHORT_BACKOFF_MS=1e3,d.RETRY_LONG_BACKOFF_MS=15e3,d.MAX_PAYLOAD_ITEMS=2,d.MAX_ITEM_SIZE_BYTES_ALLOWED=3e3,t.default=d},22973:function(e,t){"use strict";

17Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e=5e3,t=2,i=64,n=100,r=15){this.flushIntervalMs=e,this.flushSize=t,this.maxBufferCapacityKb=i,this.totalBufferItems=n,this.retryCountLimit=r}}t.default=i},97937:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.audioVideoEventAttributesFromState=function(e){let t={};return null!==e.startTimeMs&&(t.meetingDurationMs=Math.round(Date.now()-e.startTimeMs)),null!==e.signalingOpenDurationMs&&(t.signalingOpenDurationMs=e.signalingOpenDurationMs),null!==e.iceGatheringDurationMs&&(t.iceGatheringDurationMs=e.iceGatheringDurationMs),null!==e.attendeePresenceDurationMs&&(t.attendeePresenceDurationMs=e.attendeePresenceDurationMs),null!==e.meetingStartDurationMs&&(t.meetingStartDurationMs=e.meetingStartDurationMs),void 0!==e.maxVideoTileCount&&(t.maxVideoTileCount=e.maxVideoTileCount),void 0!==e.poorConnectionCount&&(t.poorConnectionCount=e.poorConnectionCount),void 0!==e.retryCount&&(t.retryCount=e.retryCount),t}},75499:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(96630),s=n(i(927)),a=n(i(96558)),o=n(i(71782)),d=n(i(16564)),l=n(i(50794)),c=n(i(61492)),u=n(i(1366));class h{constructor(e,t,i){this.meetingHistoryStates=[],this.observerSet=new Set,this.highEntropyUpdated=null,this.destroyed=!1,this.logger=t,this.configuration=e,this.setupEventReporter(e,t,i),this.userAgentParser=new l.default(t),this.parserResult=this.userAgentParser.getParserResult()}updateAttributesWithHighEntropyValues(){return this.highEntropyUpdated||(this.highEntropyUpdated=(async()=>{await this.userAgentParser.updateWithHighEntropyValues(),this.parserResult=this.userAgentParser.getParserResult()})()),this.highEntropyUpdated}addObserver(e){this.observerSet.add(e)}removeObserver(e){this.observerSet.delete(e)}forEachObserver(e){for(let t of this.observerSet)d.default.nextTick(()=>{this.observerSet.has(t)&&e(t)})}async publishEvent(e,t){await this.updateAttributesWithHighEntropyValues();let i=Date.now();this.meetingHistoryStates.push({name:e,timestampMs:i});let n=Object.freeze(Object.assign(this.getAttributes(i),t));this.forEachObserver(t=>{t.eventDidReceive(e,n)}),this.reportEvent(e,i,t)}async reportEvent(e,t,i){var n;let r;try{i&&(r=(0,u.default)(i)),await (null===(n=this.eventReporter)||void 0===n?void 0:n.reportEvent(t,e,r))}catch(e){this.logger.error(`Error reporting event ${e}`)}}setupEventReporter(e,t,i){if(i)this._eventReporter=i;else if(e.urls){let i=e.urls.eventIngestionURL;if(i){this.logger.info("Event ingestion URL is present in the configuration");let{meetingId:n,credentials:{attendeeId:r,joinToken:d}}=e,l=new o.default(n,r,d),c=new s.default(l,i);this._eventReporter=new a.default(c,t)}}}getAttributes(e){return{attendeeId:this.configuration.credentials.attendeeId,browserMajorVersion:this.parserResult.browserMajorVersion,browserName:this.parserResult.browserName,browserVersion:this.parserResult.browserVersion,deviceName:this.parserResult.deviceName,externalMeetingId:"string"==typeof this.configuration.externalMeetingId?this.configuration.externalMeetingId:"",externalUserId:this.configuration.credentials.externalUserId,meetingHistory:this.meetingHistoryStates,meetingId:this.configuration.meetingId,osName:this.parserResult.osName,osVersion:this.parserResult.osVersion,sdkVersion:c.default.sdkVersion,sdkName:c.default.sdkName,timestampMs:e}}get eventReporter(){return this._eventReporter}async destroy(){(0,r.isDestroyable)(this.eventReporter)&&await this.eventReporter.destroy(),this.logger=void 0,this.configuration=void 0,this._eventReporter=void 0,this.destroyed=!0}}t.default=h},1366:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=e=>{let t={};for(let[i,n]of Object.entries(e))if(null!=n&&""!==n){if("number"==typeof n||"string"==typeof n)t[i]=n;else throw TypeError("Unhandled type received while flattening attributes.")}return t}},927:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

17dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(22973));class s{constructor(e,t,i=new r.default){this.eventsClientConfiguration=e,this.ingestionURL=t,this.eventBufferConfiguration=i}}t.default=s},96558:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(96630),s=n(i(46561));class a{constructor(e,t){this.reportingEvents=!1,this.importantEvents=["meetingEnded","meetingFailed","meetingStartFailed","audioInputFailed","videoInputFailed","meetingStartSucceeded","deviceLabelTriggerFailed"],this.destroyed=!1;let{eventsClientConfiguration:i,ingestionURL:n,eventBufferConfiguration:r}=e,{eventsToIgnore:a}=i;this.eventBuffer=new s.default(r,i,n,this.importantEvents,t),this.logger=t,this.eventsToIgnore=a,this.start()}start(){if(!this.reportingEvents)try{this.eventBuffer.start(),this.logger.info("Event reporting started"),this.reportingEvents=!0}catch(e){this.logger.error(`Event Reporting - Error starting the event buffer ${e}`)}}stop(){if(this.reportingEvents)try{this.eventBuffer.stop(),this.logger.info("Event reporting stopped"),this.reportingEvents=!1}catch(e){this.logger.error(`Event Reporting - Error stopping the event buffer ${e}`)}}async reportEvent(e,t,i){if(this.logger.debug(`Event Reporting - DefaultMeetingEventReporter - event received in reportEvent ${e}, ${t}, ${JSON.stringify(i)}`),this.eventsToIgnore.includes(t)){this.logger.debug(`Event Reporting - DefaultMeetingEventReporter - ${t} event will be ignored as it is in events to ignore`);return}try{this.logger.debug("Event Reporting - DefaultMeetingEventReporter - adding item to event buffer"),await this.eventBuffer.addItem({ts:e,name:t,attributes:i})}catch(e){this.logger.error(`Event Reporting - Error adding event to buffer ${e}`)}}async destroy(){this.destroyed=!0,this.stop(),(0,r.isDestroyable)(this.eventBuffer)&&this.eventBuffer.destroy(),this.eventBuffer=void 0}}t.default=a},99309:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){}reportEvent(e,t,i){}start(){}stop(){}}t.default=i},71782:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i,n=[]){this.type="Meet",this.v=1,this.meetingId=e,this.attendeeId=t,this.eventsToIgnore=n,this.authenticationToken=i}getAuthenticationToken(){return this.authenticationToken}toJSON(){let e={};return e.type=this.type,e.v=this.v,e.meetingId=this.meetingId,e.attendeeId=this.attendeeId,e}}t.default=i},26912:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.DefaultAudioVideoController=t.DefaultAudioMixController=t.DefaultActiveSpeakerPolicy=t.DefaultActiveSpeakerDetector=t.DataMessage=t.CreateSDPTask=t.CreatePeerConnectionTask=t.ContentShareMediaStreamBroker=t.ContentShareConstants=t.ConsoleLogger=t.ConnectionHealthPolicyConfiguration=t.ConnectionHealthData=t.ClientVideoStreamReceivingReport=t.ClientMetricReportMediaType=t.ClientMetricReportDirection=t.ClientMetricReport=t.CleanStoppedSessionTask=t.CleanRestartedSessionTask=t.CheckVideoInputFeedback=t.CheckVideoConnectivityFeedback=t.CheckNetworkUDPConnectivityFeedback=t.CheckNetworkTCPConnectivityFeedback=t.CheckContentShareConnectivityFeedback=t.CheckCameraResolutionFeedback=t.CheckAudioOutputFeedback=t.CheckAudioInputFeedback=t.CheckAudioConnectivityFeedback=t.CanvasVideoFrameBuffer=t.CSPMonitor=t.BitrateParameters=t.BaseTask=t.BaseConnectionHealthPolicy=t.BackgroundSegmentationVideoFrameProcessor=t.BackgroundSegmentationMetrics=t.BackgroundSegmentationInitializationStatus=t.BackgroundSegmentationCompatibilityChecker=t.BackgroundSegmentationBlurStrength=t.BackgroundSegmentationAssetLoader=t.BackgroundReplacementVideoFrameProcessor=t.BackgroundFilterVideoFrameProcessor=t.BackgroundBlurVideoFrameProcessor=t.BackgroundBlurStrength=t.AudioVideoControllerState=t.AudioProfile=t.AudioLogEvent=t.Attendee=t.AttachMediaInputTask=t.AsyncScheduler

17=t.ApplicationMetadata=t.AllHighestVideoBandwidthPolicy=void 0,t.IntervalScheduler=t.InMemoryJSONEventBuffer=t.GlobalMetricReport=t.GetUserMediaError=t.FullJitterLimitedBackoff=t.FullJitterBackoffFactory=t.FullJitterBackoff=t.FinishGatheringICECandidatesTask=t.EventIngestionConfiguration=t.EventBufferConfiguration=t.EncodedTransformWorkerCode=t.EncodedTransformManager=t.DeviceSelection=t.DevicePixelRatioWindowSource=t.DefaultWebSocketAdapter=t.DefaultVolumeIndicatorAdapter=t.DefaultVideoTransformDevice=t.DefaultVideoTileFactory=t.DefaultVideoTileController=t.DefaultVideoTile=t.DefaultVideoStreamIndex=t.DefaultVideoStreamIdSet=t.DefaultVideoFrameProcessorTimer=t.DefaultVideoFrameProcessorPipeline=t.DefaultVideoElementResolutionMonitor=t.DefaultVideoCaptureAndEncodeParameter=t.DefaultUserAgentParser=t.DefaultTranscriptionController=t.DefaultTransceiverController=t.DefaultSimulcastUplinkPolicyForContentShare=t.DefaultSimulcastUplinkPolicy=t.DefaultSignalingClient=t.DefaultSigV4=t.DefaultSessionStateController=t.DefaultReconnectController=t.DefaultRealtimeController=t.DefaultPingPong=t.DefaultModality=t.DefaultMessagingSession=t.DefaultMeetingSession=t.DefaultMeetingReadinessChecker=t.DefaultMeetingEventReporter=t.DefaultMediaDeviceFactory=t.DefaultEventController=t.DefaultEncodedTransformWorkerManager=t.DefaultDevicePixelRatioMonitor=t.DefaultDeviceController=t.DefaultContentShareController=t.DefaultBrowserBehavior=t.DefaultAudioVideoFacade=void 0,t.PrefetchOn=t.PermissionDeniedError=t.ParallelGroupTask=t.POSTLogger=t.OverconstrainedError=t.OpenSignalingConnectionTask=t.OnceTask=t.NotReadableError=t.NotFoundError=t.None=t.NoVideoUplinkBandwidthPolicy=t.NoVideoDownlinkBandwidthPolicy=t.NoOpVideoFrameProcessor=t.NoOpVideoElementFactory=t.NoOpTask=t.NoOpMediaStreamBroker=t.NoOpLogger=t.NoOpEventReporter=t.NoOpDeviceController=t.NoOpDebugLogger=t.NoOpAudioVideoController=t.NScaleVideoUplinkBandwidthPolicy=t.MutableVideoPreferences=t.MultiLogger=t.MonitorTask=t.ModelType=t.ModelSpecBuilder=t.MessagingSessionConfiguration=t.Message=t.MeetingSessionVideoAvailability=t.MeetingSessionURLs=t.MeetingSessionTimingManager=t.MeetingSessionTURNCredentials=t.MeetingSessionStatusCode=t.MeetingSessionStatus=t.MeetingSessionLifecycleEventCondition=t.MeetingSessionLifecycleEvent=t.MeetingSessionCredentials=t.MeetingSessionConfiguration=t.MeetingReadinessCheckerConfiguration=t.MeetingFeatures=t.MeetingEventsClientConfiguration=t.MediaMetricsEncodedTransformManager=t.MediaDeviceProxyHandler=t.Maybe=t.LogLevel=t.Log=t.ListenForVolumeIndicatorsTask=t.LeaveAndReceiveLeaveAckTask=t.JoinAndReceiveIndexTask=void 0,t.TimeoutTask=t.TimeoutScheduler=t.TaskStatus=t.TargetDisplaySize=t.SubscribeAndReceiveSubscribeAckTask=t.StreamMetricReport=t.StartEncodedTransformWorkerTask=t.Some=t.SingleNodeAudioTransformDevice=t.SimulcastVideoStreamIndex=t.SimulcastTransceiverController=t.SimulcastLayers=t.SimulcastContentShareTransceiverController=t.SignalingClientVideoSubscriptionConfiguration=t.SignalingClientSubscribe=t.SignalingClientJoin=t.SignalingClientEventType=t.SignalingClientEvent=t.SignalingClientConnectionRequest=t.SignalingAndMetricsConnectionMonitor=t.SetRemoteDescriptionTask=t.SetLocalDescriptionTask=t.SessionStateControllerTransitionResult=t.SessionStateControllerState=t.SessionStateControllerDeferPriority=t.SessionStateControllerAction=t.ServerSideNetworkAdaption=t.SerialGroupTask=t.SendingAudioFailureConnectionHealthPolicy=t.SendAndReceiveDataMessagesTask=t.SDPMediaSection=t.SDPCandidateType=t.SDP=t.RunnableTask=t.RedundantAudioRecoveryMetricReport=t.RedundantAudioEncoderWorkerCode=t.RedundantAudioEncodedTransformManager=t.RedundantAudioEncodedTransform=t.ReconnectionHealthPolicy=t.ReceiveVideoStreamIndexTask=t.ReceiveVideoInputTask=t.ReceiveRemoteVideoPauseResumeTask=t.ReceiveAudioInputTask=t.RealtimeVolumeIndicator=t.RealtimeState=t.RealtimeAttendeePositionInFrame=t.PromoteToPrimaryMeetingTask=t.PromiseQueue=t.ProcessorEffe

17ct=t.PrefetchSortBy=void 0,t.isVideoTransformDevice=t.isDestroyable=t.isAudioTransformDevice=t.ZLIBTextCompressor=t.WebSocketReadyState=t.WaitForAttendeePresenceTask=t.VoiceFocusTransformDevice=t.VoiceFocusDeviceTransformer=t.VideoTileState=t.VideoStreamDescription=t.VideoSource=t.VideoQualitySettings=t.VideoQualityAdaptationPreference=t.VideoPriorityBasedPolicyConfig=t.VideoPriorityBasedPolicy=t.VideoPreferences=t.VideoPreference=t.VideoOnlyTransceiverController=t.VideoLogEvent=t.VideoFxProcessor=t.VideoEncodingFramerateConnectionHealthPolicy=t.VideoEncodingCpuConnectionHealthPolicy=t.VideoEncodingConnectionHealthPolicyName=t.VideoEncodingConcurrentSendersHealthPolicy=t.VideoElementFrameMonitor=t.VideoCodecCapability=t.VideoAdaptiveProbePolicy=t.Versioning=t.UnusableAudioWarningConnectionHealthPolicy=t.TypeError=t.TranscriptionStatusType=t.TranscriptionStatus=t.TranscriptResult=t.TranscriptLanguageWithScore=t.TranscriptItemType=t.TranscriptItem=t.TranscriptEntity=t.TranscriptAlternative=t.Transcript=void 0;let r=n(i(55725));t.AllHighestVideoBandwidthPolicy=r.default;let s=n(i(38027));t.ApplicationMetadata=s.default;let a=n(i(16564));t.AsyncScheduler=a.default;let o=n(i(87310));t.AttachMediaInputTask=o.default;let d=n(i(2476));t.Attendee=d.default;let l=n(i(51417));t.AudioLogEvent=l.default;let c=n(i(15566));t.AudioProfile=c.default;let u=n(i(73646));t.AudioVideoControllerState=u.default;let h=n(i(7754));t.BackgroundBlurStrength=h.default;let f=n(i(48562));t.BackgroundBlurVideoFrameProcessor=f.default;let m=n(i(21238));t.BackgroundFilterVideoFrameProcessor=m.default;let p=n(i(82226));t.BackgroundReplacementVideoFrameProcessor=p.default;let g=n(i(28379));t.BackgroundSegmentationAssetLoader=g.default;let v=n(i(62478));t.BackgroundSegmentationCompatibilityChecker=v.default;let b=n(i(98846));t.BackgroundSegmentationMetrics=b.default;let S=n(i(27956));t.BackgroundSegmentationVideoFrameProcessor=S.default;let y=n(i(18471));t.BaseConnectionHealthPolicy=y.default;let C=n(i(99481));t.BaseTask=C.default;let w=n(i(11079));t.BitrateParameters=w.default;let T=n(i(17401));t.CSPMonitor=T.default;let M=n(i(16445));t.CanvasVideoFrameBuffer=M.default;let E=n(i(76942));t.CheckAudioConnectivityFeedback=E.default;let A=n(i(97571));t.CheckAudioInputFeedback=A.default;let k=n(i(30902));t.CheckAudioOutputFeedback=k.default;let _=n(i(1820));t.CheckCameraResolutionFeedback=_.default;let P=n(i(96963));t.CheckContentShareConnectivityFeedback=P.default;let R=n(i(39288));t.CheckNetworkTCPConnectivityFeedback=R.default;let I=n(i(80322));t.CheckNetworkUDPConnectivityFeedback=I.default;let O=n(i(57434));t.CheckVideoConnectivityFeedback=O.default;let x=n(i(34126));t.CheckVideoInputFeedback=x.default;let D=n(i(94871));t.CleanRestartedSessionTask=D.default;let B=n(i(32709));t.CleanStoppedSessionTask=B.default;let N=n(i(14388));t.ClientMetricReport=N.default;let L=n(i(87911));t.ClientMetricReportDirection=L.default;let F=n(i(40372));t.ClientMetricReportMediaType=F.default;let V=n(i(47715));t.ClientVideoStreamReceivingReport=V.default;let U=n(i(74813));t.ConnectionHealthData=U.default;let z=n(i(28677));t.ConnectionHealthPolicyConfiguration=z.default;let $=n(i(87594));t.ConsoleLogger=$.default;let H=n(i(26519));t.ContentShareConstants=H.default;let j=n(i(82083));t.ContentShareMediaStreamBroker=j.default;let W=n(i(84710));t.CreatePeerConnectionTask=W.default;let G=n(i(48999));t.CreateSDPTask=G.default;let K=n(i(93661));t.DataMessage=K.default;let q=n(i(28270));t.DefaultActiveSpeakerDetector=q.default;let Q=n(i(76578));t.DefaultActiveSpeakerPolicy=Q.default;let J=n(i(29174));t.DefaultAudioMixController=J.default;let Y=n(i(63629));t.DefaultAudioVideoController=Y.default;let X=n(i(7924));t.DefaultAudioVideoFacade=X.default;let Z=n(i(12340));t.DefaultBrowserBehavior=Z.default;let ee=n(i(84082));t.DefaultContentShareController=ee.default;let et=n(i(41198));t.DefaultDeviceController=et.default;let ei=n(i(32681));t.DefaultDevicePixelRatioMonitor=ei.default;let en=n(i(31901));t.DefaultEncodedTransformWorkerManager=en.default;let er=n(i(75499));t.DefaultEventController=er.default;let es=n(i(3496));t.DefaultMediaDeviceFactory=es.default;let ea=n(i(96558));t.DefaultMeetingEventReporter=ea.default;let eo=n(i(34611));t.DefaultMeetingReadinessChecker=eo.default;

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17,34126:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.CheckVideoInputFeedback=void 0,(n=i||(t.CheckVideoInputFeedback=i={}))[n.Succeeded=0]="Succeeded",n[n.Failed=1]="Failed",n[n.PermissionDenied=2]="PermissionDenied",t.default=i},34611:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(29174)),s=n(i(12340)),a=n(i(41198)),o=n(i(27578)),d=n(i(99481)),l=n(i(55159)),c=n(i(76942)),u=n(i(97571)),h=n(i(30902)),f=n(i(1820)),m=n(i(96963)),p=n(i(39288)),g=n(i(80322)),v=n(i(57434)),b=n(i(34126)),S=n(i(26978));class y{static async delay(e){return new Promise(t=>setTimeout(t,e))}constructor(e,t,i=new S.default){this.logger=e,this.meetingSession=t,this.configuration=i,this.browserBehavior=new s.default}async checkAudioInput(e){try{return await this.meetingSession.audioVideo.startAudioInput(e),await this.meetingSession.audioVideo.stopAudioInput(),u.default.Succeeded}catch(e){if(this.logger.error(`MeetingReadinessChecker: Audio input check failed with error ${e}`),e instanceof o.default)return u.default.PermissionDenied;return u.default.Failed}}async checkAudioOutput(e,t,i=null){try{let n=e?a.default.getIntrinsicDeviceId(e):"";if(await this.playTone(n,this.configuration.audioOutputFrequency,i),await t())return h.default.Succeeded;return h.default.Failed}catch(e){return this.logger.error(`MeetingReadinessChecker: Audio output check failed with error: ${e}`),h.default.Failed}finally{await this.stopTone()}}async playTone(e,t,i){let n=this.configuration.audioOutputGain;this.oscillatorNode&&await this.stopTone(),this.audioContext=a.default.getAudioContext(),this.gainNode=this.audioContext.createGain(),this.gainNode.gain.value=0,this.oscillatorNode=this.audioContext.createOscillator(),this.oscillatorNode.frequency.value=t,this.oscillatorNode.connect(this.gainNode),this.destinationStream=this.audioContext.createMediaStreamDestination(),this.gainNode.connect(this.destinationStream);let s=this.audioContext.currentTime+.1;this.gainNode.gain.setValueAtTime(0,s),this.gainNode.gain.linearRampToValueAtTime(n,s+.1),this.oscillatorNode.start();let o=new r.default(this.logger),d=i||new Audio,l=this.destinationStream.stream;this.audioElement=d;try{this.browserBehavior.supportsSetSinkId()&&await o.bindAudioDevice({deviceId:e})}catch(e){this.logger.error(`Failed to bind audio device: ${e}`)}try{await o.bindAudioElement(d)}catch(e){this.logger.error(`Failed to bind audio element: ${e}`)}await o.bindAudioStream(l)}async stopTone(){if(!this.audioContext||!this.gainNode||!this.oscillatorNode||!this.destinationStream)return;let e=()=>{this.audioElement&&(this.audioElement.pause(),this.audioElement.srcObject=null),this.oscillatorNode&&this.gainNode&&this.oscillatorNode.disconnect(this.gainNode),this.gainNode&&this.destinationStream&&this.gainNode.disconnect(this.destinationStream),this.oscillatorNode=null,this.gainNode=null,this.destinationStream=null,this.audioElement=null},t=new Promise(t=>{this.oscillatorNode.addEventListener("ended",()=>{e(),t()},{once:!0})}),i=this.configuration.audioOutputGain,n=this.audioContext.currentTime;this.gainNode.gain.setValueAtTime(i,n),this.gainNode.gain.linearRampToValueAtTime(0,n+.1),this.oscillatorNode.stop(n+.1+.1),await t}async checkVideoInput(e){try{return await this.meetingSession.audioVideo.startVideoInput(e),await this.meetingSession.audioVideo.stopVideoInput(),b.default.Succeeded}catch(e){if(this.logger.error(`MeetingReadinessChecker: Video check failed with error ${e}`),e instanceof o.default)return b.default.PermissionDenied;return b.default.Failed}}async checkCameraResolution(e,t,i){let n;try{let r=a.default.getIntrinsicDeviceId(e),s={video:this.calculateVideoConstraint(r,t,i)};n=await navigator.mediaDevices.getUserMedia(s)}catch(e){if(this.logger.error(`MeetingReadinessChecker: Camera resolution check with width: ${t} height ${i} failed with error ${e}`),e&&"OverconstrainedError"===e.name)return f.default.ResolutionNotSupported;if(e&&"NotAllowedError"===e.name)return f.default.PermissionDenied;return f.default.Failed}

17finally{n&&n.getTracks().forEach(function(e){e.stop()})}return f.default.Succeeded}calculateVideoConstraint(e,t,i){let n=this.browserBehavior.requiresResolutionAlignment(t,i),r={};return this.browserBehavior.requiresNoExactMediaStreamConstraints()?(r.deviceId=e,r.width=t,r.height=i):(r.deviceId={exact:e},r.width={exact:n[0]},r.height={exact:n[1]}),r}async checkContentShareConnectivity(e){let t=!1,i=!1,n={contentShareDidStart:()=>{t=!0}},r={audioVideoDidStart:()=>{i=!0}};try{if(this.meetingSession.audioVideo.addObserver(r),this.meetingSession.audioVideo.start(),this.meetingSession.audioVideo.addContentShareObserver(n),await this.meetingSession.audioVideo.startContentShareFromScreenCapture(e),await this.executeTimeoutTask(async()=>i&&t),!i)return m.default.ConnectionFailed;return await this.stopMeeting(),t?m.default.Succeeded:m.default.TimedOut}catch(e){if(this.logger.error(`MeetingReadinessChecker: Content share check failed with error ${e}`),"NotAllowedError"===e.name)return m.default.PermissionDenied;return m.default.Failed}finally{this.meetingSession.audioVideo.removeObserver(r),this.meetingSession.audioVideo.stopContentShare(),this.meetingSession.audioVideo.removeContentShareObserver(n)}}async checkAudioConnectivity(e){let t=!1,i={packetsReceived:0},n=this.meetingSession.audioVideo,r={metricsDidReceive(e){e.getRTCStatsReport().forEach(e=>

17{"inbound-rtp"===e.type&&("audio"===e.mediaType||"audio"===e.kind)&&(i.packetsReceived=e.packetsReceived)})}},s=(e,i,n,r)=>{e===this.meetingSession.configuration.credentials.attendeeId&&i&&(t=!0)};try{await n.startAudioInput(e)}catch(e){if(this.logger.error(`MeetingReadinessChecker: Failed to get audio input device with error ${e}`),e instanceof o.default)return c.default.AudioInputPermissionDenied;return c.default.AudioInputRequestFailed}return(n.realtimeSubscribeToAttendeeIdPresence(s),n.addObserver(r),await this.startMeeting())?(await this.executeTimeoutTask(async()=>this.isAudioConnectionSuccessful(t,i)),n.removeObserver(r),n.realtimeUnsubscribeToAttendeeIdPresence(s),await this.stopMeeting(),await this.meetingSession.audioVideo.stopAudioInput(),this.isAudioConnectionSuccessful(t,i)?c.default.Succeeded:c.default.AudioNotReceived):(n.removeObserver(r),n.realtimeUnsubscribeToAttendeeIdPresence(s),await this.meetingSession.audioVideo.stopAudioInput(),c.default.ConnectionFailed)}async checkVideoConnectivity(e){let t=this.meetingSession.audioVideo,i=0,n={metricsDidReceive(e){e.getRTCStatsReport().forEach(e=>{"outbound-rtp"===e.type&&("video"===e.mediaType||"video"===e.kind)&&(i=e.packetsSent)})}};try{await t.startVideoInput(e)}catch(e){if(this.logger.error(`MeetingReadinessChecker: Failed to get video input device with error ${e}`),e instanceof o.default)return v.default.VideoInputPermissionDenied;return v.default.VideoInputRequestFailed}return(t.addObserver(n),await this.startMeeting())?(t.startLocalVideoTile(),await this.executeTimeoutTask(async()=>i>0),await t.stopVideoInput(),await this.stopMeeting(),t.removeObserver(n),i<=0)?v.default.VideoNotSent:v.default.Succeeded:v.default.ConnectionFailed}async checkNetworkUDPConnectivity(){let e=!1,t={metricsDidReceive(t){t.getRTCStatsReport().forEach(t=>{"candidate-pair"===t.type&&"succeeded"===t.state&&(e=!0)})}};try{this.originalURLRewriter=this.meetingSession.configuration.urls.urlRewriter}catch(e){return this.logger.error(`MeetingSessionConfiguration.urls doesn't exist. Error: ${e}`),g.default.MeetingSessionURLsNotInitialized}this.meetingSession.configuration.urls.urlRewriter=e=>{let t=this.originalURLRewriter(e);return t.includes("transport=tcp")?"":t};let i=this.meetingSession.audioVideo;return(i.addObserver(t),await this.startMeeting())?(await this.executeTimeoutTask(async()=>e),this.meetingSession.configuration.urls.urlRewriter=this.originalURLRewriter,await this.stopMeeting(),i.removeObserver(t),e)?g.default.Succeeded:g.default.ICENegotiationFailed:(this.meetingSession.configuration.urls.urlRewriter=this.originalURLRewriter,g.default.ConnectionFailed)}async checkNetworkTCPConnectivity(){let e=!1,t={metricsDidReceive(t){t.getRTCStatsReport().forEach(t=>{"candidate-pair"===t.type&&"succeeded"===t.state&&(e=!0)})}};try{this.originalURLRewriter=this.meetingSession.configuration.urls.urlRewriter}catch(e){return this.logger.error(`MeetingSessionConfiguration.urls doesn't exist. Error: ${e}`),p.default.MeetingSessionURLsNotInitialized}this.meetingSession.configuration.urls.urlRewriter=e=>{let t=this.originalURLRewriter(e);return t.includes("transport=udp")?"":t};let i=this.meetingSession.audioVideo;return(i.addObserver(t),await this.startMeeting())?(await this.executeTimeoutTask(async()=>e),this.meetingSession.configuration.urls.urlRewriter=this.originalURLRewriter,await this.stopMeeting(),i.removeObserver(t),e)?p.default.Succeeded:p.default.ICENegotiationFailed:(this.meetingSession.configuration.urls.urlRewriter=this.originalURLRewriter,p.default.ConnectionFailed)}async startMeeting(){let e=!1,t={audioVideoDidStart:()=>{e=!0}};return this.meetingSession.audioVideo.addObserver(t),this.meetingSession.audioVideo.start(),await this.executeTimeoutTask(async()=>e),this.meetingSession.audioVideo.removeObserver(t),e}async stopMeeting(){let e=!1,t={audioVideoDidStop:t=>{e=!0}};return this.meetingSession.audioVideo.addObserver(t),this.meetingSession.audioVideo.stop(),await this.executeTimeoutTask(async()=>e),this.meetingSession.audioVideo.removeObserver(t),e}async executeTimeoutTask(e){let t=!1;class i extends d.default{constructor(e,t){super(e),this.waitDurationMs=t,this.isCancelled=!1}cancel(){this.isCancelled=!0}async run(){for(;!this.isCancelled;){if(await e()){t=!0;break}await y.delay(this.waitDurationMs)}}}let n=new l.default(this.logger,new i(this.logger,this.configuration.waitDurationMs),this.configuration.timeoutMs);return await n.run(),t}isAudioConnectionSuccessful(e,t){return e&&t.packetsReceived>0}}t.default=y}

17,26978:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.timeoutMs=1e4,this.waitDurationMs=3e3,this.audioOutputFrequency=440,this.audioOutputGain=.1}}t.default=i},6817:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(63629)),s=n(i(7924)),a=n(i(4494)),o=n(i(12340)),d=n(i(82083)),l=n(i(84082)),c=n(i(17401)),u=i(96630),h=n(i(31901)),f=n(i(75499)),m=n(i(80409)),p=n(i(92979));class g{constructor(e,t,i,n){this._eventController=n,this._configuration=e,this._logger=t,this.checkBrowserSupportAndFeatureConfiguration(),c.default.addLogger(this._logger),c.default.register(),this._eventController||(this._eventController=new f.default(e,t)),i.eventController||(i.eventController=this.eventController),this.encodedTransformWorkerManager=new h.default(this._logger),this.audioVideoController=new r.default(this._configuration,this._logger,new p.default(this._logger),i,new m.default(this._configuration.reconnectTimeoutMs,new a.default(this._configuration.reconnectFixedWaitMs,this._configuration.reconnectShortBackOffMs,this._configuration.reconnectLongBackOffMs)),this.eventController,this.encodedTransformWorkerManager),this._deviceController=i,this.logger.info(`MeetingFeatures: ${JSON.stringify(e.meetingFeatures)}`),this.contentShareEncodedTransformWorkerManager=new h.default(this._logger);let o=new d.default(this._logger);this.contentShareController=new l.default(o,new r.default(l.default.createContentShareMeetingSessionConfigure(this._configuration),this._logger,new p.default(this._logger),o,new m.default(this._configuration.reconnectTimeoutMs,new a.default(this._configuration.reconnectFixedWaitMs,this._configuration.reconnectShortBackOffMs,this._configuration.reconnectLongBackOffMs)),void 0,this.contentShareEncodedTransformWorkerManager),this.audioVideoController),this.audioVideoFacade=new s.default(this.audioVideoController,this.audioVideoController.videoTileController,this.audioVideoController.realtimeController,this.audioVideoController.audioMixController,this._deviceController,this.contentShareController)}get configuration(){return this._configuration}get logger(){return this._logger}get audioVideo(){return this.audioVideoFacade}get contentShare(){return this.contentShareController}get deviceController(){return this._deviceController}get eventController(){return this._eventController}async destroy(){var e,t;(0,u.isDestroyable)(this.contentShareController)&&await this.contentShareController.destroy(),(0,u.isDestroyable)(this.audioVideoController)&&await this.audioVideoController.destroy(),(0,u.isDestroyable)(this.eventController)&&await this.eventController.destroy(),await (null===(e=this.encodedTransformWorkerManager)||void 0===e?void 0:e.stop()),await (null===(t=this.contentShareEncodedTransformWorkerManager)||void 0===t?void 0:t.stop()),c.default.removeLogger(this._logger),this._logger=void 0,this._configuration=void 0,this._deviceController=void 0,this.audioVideoFacade=void 0,this.audioVideoController=void 0,this.contentShareController=void 0,this._eventController=void 0,this.encodedTransformWorkerManager=void 0,this.contentShareEncodedTransformWorkerManager=void 0}checkBrowserSupportAndFeatureConfiguration(){let e=new o.default,t=`${e.name()} ${e.majorVersion()} (${e.version()})`;if(this.logger.info(`browser is ${t}`),e.isSupported()||this.logger.warn(`this browser is not currently supported. Stability may suffer. Supported browsers are: ${e.supportString()}.`),this._configuration.videoUplinkBandwidthPolicy){if(this.isSimulcastUplinkPolicy(this._configuration.videoUplinkBandwidthPolicy)){if(!e.hasChromiumWebRTC())throw Error("Simulcast is only supported on Chromium-based browsers");this._configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers=!0}else this._configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers=!1}this._configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers&&(e.hasChromiumWebRTC()?this.logger.info(`Simulcast is enabled for ${e.name()}`):(this._configuration.enableSimulcastForUnifiedPlanChromiumBasedBrowsers=!1,this.logger.info("Simulcast is only supported on Chromium-based browsers")),this._configuration.enableSVC&&(this._configuration.enableSVC=!1,this.logger.info("SVC is not successfully enabled since simulcast is enabled"))),this._configuration.enableSVC&&!e.supportsScalableVideoCoding()&&(this._configuration.enableSVC=!1,this.logger.info("SVC is only supported on Chromium-based browsers with version 111 or above"))}isSimulcastUplinkPolicy(e){return!!(e&&e.addObserver)}}t.default=g},47899:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

17dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(31278));class s{constructor(e=r.default.VideoResolutionHD,t=r.default.VideoResolutionFHD){this.videoMaxResolution=e,this.contentMaxResolution=t}clone(){return new s(this.videoMaxResolution,this.contentMaxResolution)}}t.default=s},63170:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(28677)),s=n(i(31278)),a=i(76477),o=n(i(47899)),d=n(i(69461)),l=n(i(60692));class c{constructor(e,t){var i,n;if(this.meetingId=null,this.externalMeetingId=null,this.credentials=null,this.urls=null,this.connectionTimeoutMs=15e3,this.attendeePresenceTimeoutMs=0,this.connectionHealthPolicyConfiguration=new r.default,this.reconnectTimeoutMs=12e4,this.reconnectFixedWaitMs=0,this.reconnectShortBackOffMs=1e3,this.reconnectLongBackOffMs=5e3,this.enableSimulcastForUnifiedPlanChromiumBasedBrowsers=!1,this.enableSVC=!1,this.videoDownlinkBandwidthPolicy=null,this.videoUplinkBandwidthPolicy=null,this.keepLastFrameWhenPaused=!1,this.disablePeriodicKeyframeRequestOnContentSender=!1,this.meetingFeatures=new o.default,e){(e=(0,a.toLowerCasePropertyNames)(e)).meeting&&(e=e.meeting),this.meetingId=e.meetingid,this.externalMeetingId=e.externalmeetingid,this.urls=new l.default,this.urls.audioHostURL=e.mediaplacement.audiohosturl,this.urls.signalingURL=e.mediaplacement.signalingurl,this.urls.turnControlURL=e.mediaplacement.turncontrolurl,e.mediaplacement.eventingestionurl&&(this.urls.eventIngestionURL=e.mediaplacement.eventingestionurl);let t=(e,t)=>{switch(e){case"None":return s.default.VideoDisabled;case"HD":return s.default.VideoResolutionHD;case"FHD":return s.default.VideoResolutionFHD;case"UHD":return s.default.VideoResolutionUHD;default:return t}};if((null===(i=e.meetingfeatures)||void 0===i?void 0:i.video)!==void 0||(null===(n=e.meetingfeatures)||void 0===n?void 0:n.content)!==void 0){let i=void 0===e.meetingfeatures.video?"HD":e.meetingfeatures.video.maxresolution,n=void 0===e.meetingfeatures.content?"FHD":e.meetingfeatures.content.maxresolution;this.meetingFeatures=new o.default(t(i,s.default.VideoResolutionHD),t(n,s.default.VideoResolutionFHD))}}t&&((t=(0,a.toLowerCasePropertyNames)(t)).attendee&&(t=t.attendee),this.credentials=new d.default,this.credentials.attendeeId=t.attendeeid,this.credentials.externalUserId=t.externaluserid,this.credentials.joinToken=t.jointoken)}}t.default=c},69461:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.attendeeId=null,this.externalUserId=null,this.joinToken=null}toJSON(){return{attendeeId:this.attendeeId,joinToken:null===this.joinToken?null:"<redacted>"}}}t.default=i},29641:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.MeetingSessionLifecycleEvent=void 0,(n=i||(t.MeetingSessionLifecycleEvent=i={}))[n.Connecting=0]="Connecting",n[n.Started=1]="Started",n[n.Stopped=2]="Stopped",t.default=i},29951:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.MeetingSessionLifecycleEventCondition=void 0,(n=i||(t.MeetingSessionLifecycleEventCondition=i={}))[n.ConnectingNew=0]="ConnectingNew",n[n.ReconnectingExisting=1]="ReconnectingExisting",n[n.StartedNew=2]="StartedNew",n[n.StartedExisting=3]="StartedExisting",n[n.StartedAfterReconnect=4]="StartedAfterReconnect",n[n.StoppedCleanly=5]="StoppedCleanly",n[n.StoppedWithFailure=6]="StoppedWithFailure",t.default=i},90176:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(8283),s=n(i(69647));class a{constructor(e){this._statusCode=e}statusCode(){return this._statusCode}isFailure(){switch(this._statusCode){case s.default.AudioAuthenticationRejected:case s.default.AudioCallAtCapacity:case s.default.AudioInternalServerError:case s.default.AudioServiceUnavailable:case s.default.AudioDisconnected:case s.default.VideoCallAtSourceCapacity:case s.default.SignalingBadRequest:case s.default.SignalingInternalServerError:case s.default.SignalingRequestFailed:case s.default.ICEGatheringTimeoutWorkaround:case s.default.ConnectionHealthReconnect:case s.default.RealtimeApiFailed:case s.default.TaskFailed:case s.default.NoAttendeePresent:case s.default.SignalingChannelClosedUnexpectedly:return!0;default:return!1}}isTerminal(){switch(this._statusCode){case s.default.Left:case s.default.AudioJoinedFromAnotherDevice:case s.default.AudioAuthenticationRejected:case s.default.AudioCallAtCapacity:case s.default.MeetingEnded:case s.default.AudioDisconnected:case s.default.TURNCredentialsForbidden:case s.default.SignalingBadRequest:case s.default.SignalingRequestFailed:case s.default.VideoCallAtSourceCapacity:case s.default.RealtimeApiFailed:case s.default.AudioAttendeeRemoved:return!0;default:return!1}}isAudioConnectionFailure(){switch(this._statusCode){case s.default.AudioAuthenticationRejected:case s.default.AudioInternalServerError:case s.default.AudioServiceUnavailable:case s.default.ICEGatheringTimeoutWorkaround:case s.default.SignalingBadRequest:case s.default.SignalingInternalServerError:case s.default.SignalingRequestFailed:case s.default.RealtimeApiFailed:case s.default.NoAttendeePresent:return!0;default:return!1}}toString(){switch(this._statusCode){case s.default.OK:return"Everything is OK so far.";case s.default.Left:return"The attendee left the meeting.";case s.default.AudioJoinedFromAnotherDevice:return"The attendee joined from another device.";case s.default.AudioAuthenticationRejected:return"The meeting rejected the attendee.";case s.default.AudioCallAtCapacity:return"The attendee couldn't join because the meeting was at capacity.";case s.default.MeetingEnded:return"The meeting ended.";case s.default.AudioInternalServerError:case s.default.AudioServiceUnavailable:case s.default.AudioDisconnected:return"The audio connection failed.";

17case s.default.VideoCallSwitchToViewOnly:return"The attendee couldn't start the local video because the maximum video capacity was reached.";case s.default.VideoCallAtSourceCapacity:return"The connection failed due to an internal server error.";case s.default.SignalingBadRequest:case s.default.SignalingInternalServerError:case s.default.SignalingRequestFailed:return"The signaling connection failed.";case s.default.ICEGatheringTimeoutWorkaround:return"Gathering ICE candidates timed out. In Chrome, this might indicate that the browser is in a bad state after reconnecting to VPN.";case s.default.ConnectionHealthReconnect:return"The meeting was reconnected.";case s.default.RealtimeApiFailed:return"The real-time API failed. This status code might indicate that the callback you passed to the real-time API threw an exception.";case s.default.TaskFailed:return"The connection failed. See the error message for more details.";case s.default.IncompatibleSDP:return"The connection failed due to incompatible SDP.";case s.default.TURNCredentialsForbidden:return"The meeting ended, or the attendee was removed.";case s.default.NoAttendeePresent:return"The attendee was not present.";case s.default.AudioAttendeeRemoved:return"The meeting ended because attendee removed.";case s.default.AudioVideoWasRemovedFromPrimaryMeeting:return"The Primary meeting credentials provided are no longer valid. chime::DeleteAttendee may have been called on them.";case s.default.AudioVideoDisconnectedWhilePromoted:return"The client disconnected while promoted, which will automatically demote. The attendee must promote again to participate.";case s.default.AudioDisconnectAudio:return"The audio connection failed.";case s.default.SignalingChannelClosedUnexpectedly:return"The signaling channel was closed unexpectedly. This may be due to a network change or backend detected failure.";case s.default.EncodedTransformManagerFailed:return"The encoded transform worker manager failed. The connection will be reconnected without transforms.";default:{let e=this._statusCode;throw Error(`Unhandled case: ${e}`)}}}static fromSignalFrame(e){return e.error&&e.error.status?this.fromSignalingStatus(e.error.status):e.type===r.SdkSignalFrame.Type.AUDIO_STATUS?e.audioStatus?this.fromAudioStatus(e.audioStatus.audioStatus):new a(s.default.SignalingRequestFailed):new a(e.type===r.SdkSignalFrame.Type.PRIMARY_MEETING_LEAVE?s.default.AudioVideoWasRemovedFromPrimaryMeeting:s.default.OK)}static fromAudioStatus(e){switch(e){case 200:return new a(s.default.OK);case 301:return new a(s.default.AudioJoinedFromAnotherDevice);case 302:return new a(s.default.AudioDisconnectAudio);case 403:return new a(s.default.AudioAuthenticationRejected);case 409:return new a(s.default.AudioCallAtCapacity);case 410:return new a(s.default.MeetingEnded);case 411:return new a(s.default.AudioAttendeeRemoved);case 500:return new a(s.default.AudioInternalServerError);case 503:return new a(s.default.AudioServiceUnavailable);default:if(2===Math.floor(e/100))return new a(s.default.OK);return new a(s.default.AudioDisconnected)}}static fromSignalingStatus(e){switch(e){case 206:return new a(s.default.VideoCallSwitchToViewOnly);case 509:return new a(s.default.VideoCallAtSourceCapacity);case 403:return new a(s.default.AudioAuthenticationRejected);case 409:return new a(s.default.AudioCallAtCapacity);default:switch(Math.floor(e/100)){case 2:return new a(s.default.OK);case 4:return new a(s.default.SignalingBadRequest);case 5:return new a(s.default.SignalingInternalServerError);default:return new a(s.default.SignalingRequestFailed)}}}}t.default=a},69647:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.MeetingSessionStatusCode=void 0,(n=i||(t.MeetingSessionStatusCode=i={}))[n.OK=0]="OK",n[n.Left=1]="Left",n[n.AudioJoinedFromAnotherDevice=2]="AudioJoinedFromAnotherDevice",n[n.AudioAuthenticationRejected=3]="AudioAuthenticationRejected",n[n.AudioCallAtCapacity=4]="AudioCallAtCapacity",n[n.MeetingEnded=5]="MeetingEnded",n[n.AudioInternalServerError=6]="AudioInternalServerError",n[n.AudioServiceUnavailable=7]="AudioServiceUnavailable",n[n.AudioDisconnected=8]="AudioDisconnected",n[n.VideoCallSwitchToViewOnl

17y=9]="VideoCallSwitchToViewOnly",n[n.VideoCallAtSourceCapacity=10]="VideoCallAtSourceCapacity",n[n.SignalingBadRequest=11]="SignalingBadRequest",n[n.SignalingInternalServerError=12]="SignalingInternalServerError",n[n.SignalingRequestFailed=13]="SignalingRequestFailed",n[n.SignalingChannelClosedUnexpectedly=14]="SignalingChannelClosedUnexpectedly",n[n.ICEGatheringTimeoutWorkaround=15]="ICEGatheringTimeoutWorkaround",n[n.ConnectionHealthReconnect=16]="ConnectionHealthReconnect",n[n.RealtimeApiFailed=17]="RealtimeApiFailed",n[n.TaskFailed=18]="TaskFailed",n[n.IncompatibleSDP=19]="IncompatibleSDP",n[n.TURNCredentialsForbidden=20]="TURNCredentialsForbidden",n[n.NoAttendeePresent=21]="NoAttendeePresent",n[n.AudioAttendeeRemoved=22]="AudioAttendeeRemoved",n[n.AudioVideoWasRemovedFromPrimaryMeeting=23]="AudioVideoWasRemovedFromPrimaryMeeting",n[n.AudioVideoDisconnectedWhilePromoted=24]="AudioVideoDisconnectedWhilePromoted",n[n.AudioDisconnectAudio=25]="AudioDisconnectAudio",n[n.EncodedTransformManagerFailed=26]="EncodedTransformManagerFailed",t.default=i},68187:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.username=null,this.password=null,this.ttl=null,this.uris=null}}t.default=i},60692:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this._audioHostURL=null,this._signalingURL=null,this._turnControlURL=null,this._eventIngestionURL=null,this.urlRewriter=e=>e,this.urlRewriterMulti=null}get audioHostURL(){return this.urlRewriter(this._audioHostURL)}set audioHostURL(e){this._audioHostURL=e}get signalingURL(){return this.urlRewriter(this._signalingURL)}set signalingURL(e){this._signalingURL=e}get turnControlURL(){return this.urlRewriter(this._turnControlURL)}set turnControlURL(e){this._turnControlURL=e}get eventIngestionURL(){return this.urlRewriter(this._eventIngestionURL)}set eventIngestionURL(e){this._eventIngestionURL=e}}t.default=i},14118:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.remoteVideoAvailable=!1,this.canStartLocalVideo=!1}equal(e){return this.remoteVideoAvailable===e.remoteVideoAvailable&&this.canStartLocalVideo===e.canStartLocalVideo}clone(){let e=new i;return e.remoteVideoAvailable=this.remoteVideoAvailable,e.canStartLocalVideo=this.canStartLocalVideo,e}}t.default=i},53652:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.observers=new Set,this.batchTimeout=null,this.signalingTiming={},this.isResubscribe=!1,this.remoteAudioTiming={},this.localAudioTiming={},this.localVideoTiming={},this.localVideoHasEmitted=!1,this.expectingRemoteVideo=!1,this.remoteVideoTiming=new Map,this.boundRemoteVideoGroupIds=new Set,this.emittedRemoteVideoGroupIds=new Set,this.logger=e}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}startBatchIfNeeded(){null===this.batchTimeout&&this.scheduleBatchTimeout()}onStart(){if(void 0!==this.signalingTiming.startMs){this.logger.debug("onStart called multiple times, ignoring");return}this.signalingTiming.startMs=this.getCurrentTimestamp(),this.startBatchIfNeeded(),this.logger.info(`MeetingSessionTimingManager: onStart at ${this.signalingTiming.startMs}`)}

17onResubscribeStart(){if(void 0!==this.signalingTiming.startMs){this.logger.debug("onResubscribeStart: signaling timing already active, ignoring");return}this.isResubscribe=!0,this.signalingTiming.startMs=this.getCurrentTimestamp(),this.startBatchIfNeeded(),this.logger.debug(`MeetingSessionTimingManager: resubscribe started at ${this.signalingTiming.startMs}`)}setExpectingRemoteVideo(){this.expectingRemoteVideo||(this.expectingRemoteVideo=!0,this.logger.debug("MeetingSessionTimingManager: expecting remote video in current batch"))}clearExpectingRemoteVideo(){this.expectingRemoteVideo&&(this.expectingRemoteVideo=!1,this.logger.debug("MeetingSessionTimingManager: no longer expecting remote video"),this.maybeEmitBatch())}onJoinSent(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received join sent event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.joinSentMs){this.logger.debug("onJoinSent called multiple times, ignoring");return}this.signalingTiming.joinSentMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onJoinAckReceived(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received join ack event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.joinAckReceivedMs){this.logger.debug("onJoinAckReceived called multiple times, ignoring");return}this.signalingTiming.joinAckReceivedMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onTransportConnected(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received transport connected event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.transportConnectedMs){this.logger.debug("onTransportConnected called multiple times, ignoring");return}this.signalingTiming.transportConnectedMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onCreateOfferCalled(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received create offer event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.createOfferMs){this.logger.debug("onCreateOfferCalled called multiple times, ignoring");return}this.signalingTiming.createOfferMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onSetLocalDescription(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received set local description event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.setLocalDescriptionMs){this.logger.debug("onSetLocalDescription called multiple times, ignoring");return}this.signalingTiming.setLocalDescriptionMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onSetRemoteDescription(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received set remote description event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.setRemoteDescriptionMs){this.logger.debug("onSetRemoteDescription called multiple times, ignoring");return}this.signalingTiming.setRemoteDescriptionMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onIceGatheringStarted(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received ICE gathering started event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.iceGatheringStartMs){this.logger.debug("onIceGatheringStarted called multiple times, ignoring");return}this.signalingTiming.iceGatheringStartMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onIceGatheringComplete(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received ICE gathering complete event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.iceGatheringCompleteMs){this.logger.debug("onIceGatheringComplete called multiple times, ignoring");return}this.signalingTiming.iceGatheringCompleteMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onIceConnected(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received ICE connected event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.iceConnectedMs){this.logger.debug("onIceConnected called multiple times, ignoring");return}this.signalingTiming.iceConnectedMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onSubscribeSent(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received subscribe sent event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.subscribeSentMs){this.logger.debug("onSubscribeSent called multiple times, ignoring");return}this.signalingTiming.subscribeSentMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onSubscribeAckReceived(){if(void 0===this.signalingTiming.startMs){this.logger.debug("Received subscribe ack event after initial batch was sent, ignoring");return}if(void 0!==this.signalingTiming.subscribeAckMs){this.logger.debug("onSubscribeAckReceived called multiple times, ignoring");return}this.signalingTiming.subscribeAckMs=this.getCurrentTimestamp(),this.maybeEmitBatch()}onRemoteAudioAdded(){if(void 0!==this.remoteAudioTiming.addedMs){this.logger.debug("onRemoteAudioAdded called multiple times, ignoring");return}this.remoteAudioTiming.addedMs=this.getCurrentTimestamp(),this.startBatchIfNeeded(),this.maybeEmitBatch()}onRemoteAudioFirstPacketReceived(e){if(void 0===this.remoteAudioTiming.addedMs){this.logger.warn("Received remote audio first packet before audio was added, ignoring");return}if(void 0!==this.remoteAudioTiming.firstPacketReceivedMs){this.logger.debug("onRemoteAudioFirstPacketReceived called multiple times, ignoring");return}this.remoteAudioTiming.firstPacketReceivedMs=null!=e?e:this.getCurrentTimestamp(),this.maybeEmitBatch()}onLocalAudioAdded(){if(void 0!==this.localAudioTiming.addedMs){this.logger.debug("onLocalAudioAdded called multiple times, ignoring");return}this.localAudioTiming.addedMs=this.getCurrentTimestamp(),this.startBatchIfNeeded(),this.maybeEmitBatch()}onLocalAudioFirstPacketSent(e){if(void 0===this.localAudioTiming.addedMs){this.logger.warn("Received local audio first packet sent before audio was added, ignoring");return}if(void 0!==this.localAudioTiming.firstPacketSentMs){this.logger.debug("onLocalAudioFirstPacketSent called multiple times, ignoring");return}this.localAudioTiming.firstPacketSentMs=null!=e?e:this.getCurrentTimestamp(),this.maybeEmitBatch()}onLocalVideoAdded(){if(void 0!==this.localVideoTiming.addedMs||this.localVideoHasEmitted){this.logger.debug("onLocalVideoAdded called multiple times, ignoring");return}this.localVideoTiming.addedMs=this.getCurrentTimestamp(),this.startBatchIfNeeded(),this.maybeEmitBatch()}onLocalVideoFirstFrameSent(e){if(void 0===this.localVideoTiming.addedMs){this.logger.warn("Received local video first frame sent before video was added, ignoring");return}if(void 0!==this.localVideoTiming.firstFrameSentMs){this.logger.debug("onLocalVideoFirstFrameSent called multiple times, ignoring");return}this.localVideoTiming.firstFrameSentMs=null!=e?e:this.getCurrentTimestamp(),this.maybeEmitBatch()}onLocalVideoRemoved(){if(void 0===this.localVideoTiming.addedMs){this.logger.debug("onLocalVideoRemoved called without prior add, ignoring");return}this.localVideoTiming.removed=!0,this.localVideoHasEmitted=!1,this.logger.debug("Local video timing marked as removed"),this.maybeEmitBatch()}onRemoteVideoAdded(e){this.emittedRemoteVideoGroupIds.has(e)||(this.remoteVideoTiming.set(e,{addedMs:this.getCurrentTimestamp()}),this.startBatchIfNeeded(),this.logger.debug(`Remote video timer started for group_id=${e}`))}onRemoteVideoBound(e){this.boundRemoteVideoGroupIds.add(e)}onRemoteVideoUnbound(e){this.boundRemoteVideoGroupIds.delete(e),this.emittedRemoteVideoGroupIds.delete(e),this.maybeEmitBatch()}onRemoteVideoFirstPacketReceived(e,t){let i=this.remoteVideoTiming.get(e);if(!i){this.logger.warn(`onRemoteVideoFirstPacketReceived: No timer found for group_id=${e}`);return}if(void 0!==i.firstPacketReceivedMs){this.logger.debug(`onRemoteVideoFirstPacketReceived called multiple times for group_id=${e}, ignoring`);return}i.firstPacketReceivedMs=null!=t?t:this.getCurrentTimestamp(),this.maybeEmitBatch()}onRemoteVideoFirstFrameRendered(e,t){let i=this.remoteVideoTiming.get(e);if(!i){this.logger.warn(`onRemoteVideoFirstFrameRendered: No timer found for group_id=${e}`);return}if(void 0!==i.firstFrameRenderedMs){this.logger.debug(`onRemoteVideoFirstFrameRendered called multiple times for group_id=${e}, ignoring`);return}i.firstFrameRenderedMs=(null==t?void 0:t.expectedDisplayTime)!==void 0?Math.round(performance.timeOrigin+t.expectedDisplayTime):this.getCurrentTimestamp(),this.maybeEmitBatch()}onRemoteVideoRemoved(e){let t=this.remoteVideoTiming.get(e);t&&(t.removed=!0,this.emittedRemoteVideoGroupIds.delete(e),this.logger.debug(`Remote video timing marked as removed for group_id=${e}`),this.maybeEmitBatch())}reset(){this.cancelBatchTimeout(),this.signalingTiming={},this.isResubscribe=!1,this.remoteAudioTiming={},this.localAudioTiming={},this.localVideoTiming={},this.localVideoHasEmitted=!1,this.expectingRemoteVideo=!1,this.remoteVideoTiming.clear(),this.boundRemoteVideoGroupIds.clear(),this.emittedRemoteVideoGroupIds.clear(),this.logger.info("MeetingSessionTimingManager: reset")}destroy(){this.cancelBatchTimeout(),this.observers.clear(),this.logger.info("MeetingSessionTimingManager: destroyed")}getCurrentTimestamp(){return Date.now()}isSignalingComplete(){let e=this.signalingTiming,t=void 0!==e.createOfferMs&&void 0!==e.setLocalDescriptionMs&&void 0!==e.subscribeSentMs&&void 0!==e.subscribeAckMs&&void 0!==e.setRemoteDescriptionMs;return this.isResubscribe?t:t&&void 0!==e.joinSentMs&&void 0!==e.joinAckReceivedMs&&void 0!==e.transportConnectedMs&&void 0!==e.iceGatheringStartMs&&void 0!==e.iceGatheringCompleteMs&&void 0!==e.iceConnectedMs}isRemoteAudioComplete(){return!0===this.remoteAudioTiming.removed||void 0!==this.remoteAudioTiming.addedMs&&void 0!==this.remoteAudioTiming.firstPacketReceivedMs}isLocalAudioComplete(){return!0===this.localAudioTiming.removed||void 0!==this.localAudioTiming.addedMs&&void 0!==this.localAudioTiming.firstPacketSentMs}isLocalVideoComplete(){return!0===this.localVideoTiming.removed||void 0!==this.localVideoTiming.addedMs&&void 0!==this.localVideoTiming.firstFrameSentMs}isRemoteVideoComplete(e){return!0===e.removed||void 0!==e.addedMs&&void 0!==e.firstFrameRenderedMs}areAllBatchTimingsComplete(){if(void 0!==this.signalingTiming.startMs&&!this.isSignalingComplete()||void 0!==this.remoteAudioTiming.addedMs&&!this.isRemoteAudioComplete()||void 0!==this.localAudioTiming.addedMs&&!this.isLocalAudioComplete()||void 0!==this.localVideoTiming.addedMs&&!this.isLocalVideoComplete())return!1;if(this.expectingRemoteVideo){let e=!1;for(let[t,i]of this.remoteVideoTiming)if(this.boundRemoteVideoGroupIds.has(t)&&this.isRemoteVideoComplete(i)){e=!0;break}if(!e)return!1}for(let[e,t]of this.remoteVideoTiming)if(this.boundRemoteVideoGroupIds.has(e)&&!this.isRemoteVideoComplete(t))return!1;return!0}maybeEmitBatch(){this.areAllBatchTimingsComplete()&&this.emitAndReset(!1)}emitAndReset(e){let t=this.buildMeetingSessionTiming(e);if(void 0!==this.localVideoTiming.addedMs&&this.isLocalVideoComplete()&&!this.localVideoTiming.removed&&(this.localVideoHasEmitted=!0),this.clearReportedState(),0===this.observers.size){this.logger.warn("MeetingSessionTimingManager: No observers set, timing data discarded");return}for(let e of this.observers)try{e.onMeetingSessionTimingReady(t)}catch(e){this.logger.error(`MeetingSessionTimingManager: Error notifying observer: ${e}`)}}clearReportedState(){this.cancelBatchTimeout(),this.signalingTiming={},this.isResubscribe=!1,this.remoteAudioTiming={},this.localAudioTiming={},this.localVideoTiming={},this.expectingRemoteVideo=!1;let e=new Map,t=new Set;for(let[t,i]of this.remoteVideoTiming)this.boundRemoteVideoGroupIds.has(t)?this.emittedRemoteVideoGroupIds.add(t):e.set(t,i);this.remoteVideoTiming=e,this.boundRemoteVideoGroupIds=t,e.size>0&&this.startBatchIfNeeded()}buildMeetingSessionTiming(e){let t=[],i=[],n=[],r=[],s=[];for(let[a,o]of(void 0!==this.signalingTiming.startMs&&t.push({...this.signalingTiming,timedOut:e&&!this.isSignalingComplete()}),void 0!==this.remoteAudioTiming.addedMs&&i.push({...this.remoteAudioTiming,timedOut:e&&!this.isRemoteAudioComplete()}),void 0!==this.localAudioTiming.addedMs&&n.push({...this.localAudioTiming,timedOut:e&&!this.isLocalAudioComplete()}),void 0!==this.localVideoTiming.addedMs&&r.push({...this.localVideoTiming,timedOut:e&&!this.isLocalVideoComplete()}),this.remoteVideoTiming))void 0!==o.addedMs&&this.boundRemoteVideoGroupIds.has(a)&&s.push({...o,groupId:a,timedOut:e&&!this.isRemoteVideoComplete(o)});return{signaling:t,remoteAudio:i,localAudio:n,localVideo:r,remoteVideos:s}}scheduleBatchTimeout(){this.batchTimeout=setTimeout(()=>{this.batchTimeout=null,this.logger.warn("Batch timing timeout"),this.emitAndReset(!0)},i.TIMEOUT_THRESHOLD_MS)}cancelBatchTimeout(){null!==this.batchTimeout&&(clearTimeout(this.batchTimeout),this.batchTimeout=null)}}i.TIMEOUT_THRESHOLD_MS=15e3,t.default=i},42562:function(e,t){"use strict";

17Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i){this.type=e,this.headers=t,this.payload=i}}t.default=i},26711:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(8169),s=n(i(4494)),a=n(i(17401)),o=n(i(42562)),d=n(i(80409)),l=n(i(16564)),c=n(i(71148)),u=n(i(92979)),h=n(i(84924)),f=n(i(39653));class m{constructor(e,t,i,n,r){this.configuration=e,this.logger=t,this.webSocket=i,this.reconnectController=n,this.sigV4=r,this.observerQueue=new Set,this.webSocket||(this.webSocket=new u.default(this.logger)),this.reconnectController||(this.reconnectController=new d.default(e.reconnectTimeoutMs,new s.default(e.reconnectFixedWaitMs,e.reconnectShortBackoffMs,e.reconnectLongBackoffMs))),this.sigV4||(this.sigV4=new c.default(this.configuration.chimeClient)),a.default.addLogger(this.logger),a.default.register(),this.preBootstrapMessages=[]}addObserver(e){this.logger.info("adding messaging observer"),this.observerQueue.add(e)}removeObserver(e){this.logger.info("removing messaging observer"),this.observerQueue.delete(e)}async start(){this.isClosed()?await this.startConnecting(!1):this.logger.info("messaging session already started")}stop(){this.isClosed()?this.logger.info("no existing messaging session needs closing"):(this.isClosing=!0,this.webSocket.close(),a.default.removeLogger(this.logger))}forEachObserver(e){for(let t of this.observerQueue)l.default.nextTick(()=>{this.observerQueue.has(t)&&e(t)})}setUpEventListeners(){this.webSocket.addEventListener("open",()=>{this.openEventHandler()}),this.webSocket.addEventListener("message",e=>{this.receiveMessageHandler(e.data)}),this.webSocket.addEventListener("close",e=>{this.closeEventHandler(e)}),this.webSocket.addEventListener("error",()=>{this.logger.error("WebSocket error")})}async startConnecting(e){return await this.startConnectingInternal(e),await new Promise((e,t)=>{this.bootstrapResolved=e,this.bootstrapRejected=t})}async startConnectingInternal(e){var t;let i=this.configuration.endpointUrl;if(e||this.reconnectController.reset(),this.reconnectController.hasStartedConnectionAttempt()?this.reconnectController.startedConnectionAttempt(!1):this.reconnectController.startedConnectionAttempt(!0),e||void 0===i)try{if(this.configuration.chimeClient.getMessagingSessionEndpoint instanceof Function){let e=await this.configuration.chimeClient.getMessagingSessionEndpoint();i=(null===(t=e.Endpoint)||void 0===t?void 0:t.Url)?e.Endpoint.Url:(await this.configuration.chimeClient.getMessagingSessionEndpoint().promise()).Endpoint.Url}else i=(await this.configuration.chimeClient.send(new r.GetMessagingSessionEndpointCommand({}))).Endpoint.Url;this.logger.debug(`Messaging endpoint resolved to: ${i}`)}catch(t){this.logger.error(`Messaging Session failed to resolve endpoint: ${t}`);let e=new CloseEvent("close",{wasClean:!1,code:4999,reason:"Failed to get messaging session endpoint URL",bubbles:!1});this.closeEventHandler(e);return}let n=await this.prepareWebSocketUrl(i);this.logger.info(`opening connection to ${n}`),e||this.reconnectController.reset(),this.reconnectController.hasStartedConnectionAttempt()?this.reconnectController.startedConnectionAttempt(!1):this.reconnectController.startedConnectionAttempt(!0),this.webSocket.create(n,[],!0),this.forEachObserver(t=>{t.messagingSessionDidStartConnecting&&t.messagingSessionDidStartConnecting(e)}),this.setUpEventListeners()}async prepareWebSocketUrl(e){let t=new Map;return t.set("userArn",[this.configuration.userArn]),t.set("sessionId",[this.configuration.messagingSessionId]),this.configuration.prefetchOn===f.default.Connect&&t.set("prefetch-on",[f.default.Connect]),this.configuration.prefetchSortBy&&t.set("prefetch-sort-by",[this.configuration.prefetchSortBy]),await this.sigV4.signURL("GET","wss","chime",e,"/connect","",t)}isClosed(){return this.webSocket.readyState()===h.default.None||this.webSocket.readyState()===h.default.Closed}openEventHandler(){this.reconnectController.reset(),this.isSessionEstablished=!1}receiveMessageHandler(e){try{let t=JSON.parse(e),i=t.Headers["x-amz-chime-event-type"],n=new o.default(i,t.Headers,t.Payload||null);if(this.isSessionEstablished||"SESSION_ESTABLISHED"!==i){if(!this.isSessionEstablished){this.preBootstrapMessages.push(n);return}}else{this.forEachObserver(e=>{e.messagingSessionDidStart&&e.messagingSessionDidStart()}),this.bootstrapResolved(),this.isSessionEstablished=!0;let e=this.preBootstrapMessages.length;for(let t=0;t<e;t++){let e=this.preBootstrapMessages.shift();this.forEachObserver(t=>{this.sendMessageToObserver(t,e)})}}this.forEachObserver(e=>{this.sendMessageToObserver(e,n)})}catch(e){this.logger.error(`Messaging parsing failed: ${e}`)}}sendMessageToObserver(e,t){e.messagingSessionDidReceiveMessage&&e.messagingSessionDidReceiveMessage(t)}retryConnection(){return this.reconnectController.retryWithBackoff(async()=>{await this.startConnecting(!0)},null)}closeEventHandler(e){this.logger.info(`WebSocket close: ${e.code} ${e.reason}`),4999!==e.code&&this.webSocket.destroy(),!this.isClosing&&this.canReconnect(e.code)&&this.retryConnection()||(this.isClosing=!1,this.isSessionEstablished?this.forEachObserver(t=>{t.messagingSessionDidStop&&t.messagingSessionDidStop(e)}):this.bootstrapRejected(e))}canReconnect(e){return 1001===e||1006===e||e>=1011&&e<=1014||e>4e3&&4002!==e&&4003!==e&&4401!==e}}t.default=m},36229:function(e,t,i){"use strict";

17Object.defineProperty(t,"__esModule",{value:!0});let n=i(76477);class r{constructor(e,t,i,n){this.userArn=e,this.messagingSessionId=t,this.endpointUrl=i,this.chimeClient=n,this.reconnectTimeoutMs=1e4,this.reconnectFixedWaitMs=0,this.reconnectShortBackoffMs=1e3,this.reconnectLongBackoffMs=5e3,this.prefetchOn=void 0,this.prefetchSortBy=void 0,this.messagingSessionId||(this.messagingSessionId=this.generateSessionId())}generateSessionId(){let e=new Uint32Array(1);return(0,n.getRandomValues)(e),e[0].toString()}}t.default=r},39653:function(e,t){"use strict";var i;Object.defineProperty(t,"__esModule",{value:!0}),(i||(i={})).Connect="connect",t.default=i},79273:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),(n=i||(i={})).Unread="unread",n.LastMessageTimestamp="last-message-timestamp",t.default=i},67941:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(26519));class s{constructor(e){this._id=e}id(){return this._id}base(){return this._id?this._id.split(s.MODALITY_SEPARATOR)[0]:""}modality(){if(!this._id)return"";let e=this._id.split(s.MODALITY_SEPARATOR);return 2===e.length?e[1]:""}hasModality(e){return""!==e&&this.modality()===e}withModality(e){let t=new s(this.base()+s.MODALITY_SEPARATOR+e);return""===e||""===this.base()||new s(t._id).modality()!==e?new s(this.base()):t}}s.MODALITY_SEPARATOR=r.default.Modality[0],s.MODALITY_CONTENT=r.default.Modality.substring(1),t.default=s},61711:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(16564)),s=n(i(68414)),a=n(i(66485)),o=i(8283),d=i(24670);class l{constructor(e,t,i){this.signalingClient=e,this.intervalMs=t,this.logger=i,this.observerQueue=new Set,this.consecutivePongsUnaccountedFor=0,this.intervalScheduler=new s.default(this.intervalMs),this.pingId=0}addObserver(e){this.logger.info("adding a ping-pong observer"),this.observerQueue.add(e)}removeObserver(e){this.logger.info("removing a ping-pong observer"),this.observerQueue.delete(e)}forEachObserver(e){for(let t of this.observerQueue)r.default.nextTick(()=>{this.observerQueue.has(t)&&e(t)})}start(){this.stop(),this.signalingClient.registerObserver(this),this.signalingClient.ready()&&this.startPingInterval()}stop(){this.stopPingInterval(),this.signalingClient.removeObserver(this)}startPingInterval(){this.intervalScheduler.start(()=>{this.ping()}),this.ping()}stopPingInterval(){this.intervalScheduler.stop(),this.pingId=0,this.consecutivePongsUnaccountedFor=0}ping(){this.consecutivePongsUnaccountedFor>0&&(this.logger.warn(`missed pong ${this.consecutivePongsUnaccountedFor} time(s)`),this.forEachObserver(e=>{d.Maybe.of(e.didMissPongs).map(t=>t.bind(e)(this.consecutivePongsUnaccountedFor))})),this.consecutivePongsUnaccountedFor+=1,this.pingId=this.pingId+1&4294967295;let e=o.SdkPingPongFrame.create();e.pingId=this.pingId,e.type=o.SdkPingPongType.PING,this.pingTimestampLocalMs=this.signalingClient.pingPong(e),this.logger.debug(()=>`sent ping ${this.pingId}`)}pong(e){let t=o.SdkPingPongFrame.create();t.pingId=e,t.type=o.SdkPingPongType.PONG,this.signalingClient.pingPong(t)}handleSignalingClientEvent(e){switch(e.type){case a.default.WebSocketOpen:this.startPingInterval();break;case a.default.WebSocketFailed:case a.default.WebSocketError:this.logger.warn(`stopped pinging (${a.default[e.type]})`),this.stopPingInterval();break;case a.default.WebSocketClosing:case a.default.WebSocketClosed:this.logger.info(`stopped pinging (${a.default[e.type]})`),this.stopPingInterval();break;case a.default.ReceivedSignalFrame:if(e.message.type!==o.SdkSignalFrame.Type.PING_PONG)break;if(e.message.pingPong.type===o.SdkPingPongType.PONG){let t;let i=e.message.pingPong.pingId;if(i!==this.pingId){this.logger.warn(`unexpected ping id ${i} (expected ${this.pingId})`);break}if(this.consecutivePongsUnaccountedFor=0,"number"==typeof e.message.timestampMs)t=e.message.timestampMs;else break;this.logger.debug(()=>`received pong ${i} with timestamp ${t}`);let n=e.timestampMs-this.pingTimestampLocalMs,r=Math.round(t-n/2),s=this.pingTimestampLocalMs-r;this.logger.info(`local clock skew estimate=${s}ms from ping-pong time=${n}ms`),this.forEachObserver(e=>{d.Maybe.of(e.didReceivePong).map(t=>t.bind(e)(i,s,n))})}else this.pong(e.message.pingPong.pingId)}}}t.default=l},64446:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

17dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(19893)),s=i(76477),a=n(i(58142)),o=n(i(34605));class d{constructor(e,t){this.mediaStreamBroker=e,this.state=new a.default,this._transcriptionController=t||new r.default(this)}realtimeSetLocalAttendeeId(e,t){this.state.localAttendeeId=e,this.state.localExternalUserId=t}realtimeSetAttendeeIdPresence(e,t,i,n,r){try{for(let s of(t&&(this.state.attendeeIdToExternalUserId[e]=i),this.state.attendeeIdChangesCallbacks))s(e,t,i,n,r)}catch(e){this.onError(e)}}realtimeSubscribeToAttendeeIdPresence(e){try{this.state.attendeeIdChangesCallbacks.push(e)}catch(e){this.onError(e)}}realtimeUnsubscribeToAttendeeIdPresence(e){try{let t=this.state.attendeeIdChangesCallbacks.indexOf(e);-1!==t&&this.state.attendeeIdChangesCallbacks.splice(t,1)}catch(e){this.onError(e)}}realtimeSetCanUnmuteLocalAudio(e){try{if(this.state.canUnmute===e)return;for(let t of(this.state.canUnmute=e,this.state.setCanUnmuteLocalAudioCallbacks))t(e)}catch(e){this.onError(e)}}realtimeSubscribeToSetCanUnmuteLocalAudio(e){try{this.state.setCanUnmuteLocalAudioCallbacks.push(e)}catch(e){this.onError(e)}}realtimeUnsubscribeToSetCanUnmuteLocalAudio(e){try{let t=this.state.setCanUnmuteLocalAudioCallbacks.indexOf(e);-1!==t&&this.state.setCanUnmuteLocalAudioCallbacks.splice(t,1)}catch(e){this.onError(e)}}realtimeCanUnmuteLocalAudio(){return this.state.canUnmute}realtimeMuteLocalAudio(){if(!this.state.muted)try{for(let e of(this.setAudioInputEnabled(!1),this.state.muted=!0,this.realtimeUpdateVolumeIndicator(this.state.localAttendeeId,null,null,null,this.state.localExternalUserId),this.state.muteAndUnmuteLocalAudioCallbacks))e(!0)}catch(e){this.onError(e)}}realtimeUnmuteLocalAudio(){if(!this.state.muted)return!0;if(!this.state.canUnmute)return!1;try{for(let e of(this.setAudioInputEnabled(!0),this.state.muted=!1,this.realtimeUpdateVolumeIndicator(this.state.localAttendeeId,null,null,null,this.state.localExternalUserId),this.state.muteAndUnmuteLocalAudioCallbacks))e(!1);return!0}catch(e){return this.onError(e),!1}}realtimeSubscribeToMuteAndUnmuteLocalAudio(e){try{this.state.muteAndUnmuteLocalAudioCallbacks.push(e)}catch(e){this.onError(e)}}realtimeUnsubscribeToMuteAndUnmuteLocalAudio(e){try{let t=this.state.muteAndUnmuteLocalAudioCallbacks.indexOf(e);-1!==t&&this.state.muteAndUnmuteLocalAudioCallbacks.splice(t,1)}catch(e){this.onError(e)}}realtimeIsLocalAudioMuted(){return this.state.muted}realtimeSubscribeToVolumeIndicator(e,t){try{this.state.volumeIndicatorCallbacks.hasOwnProperty(e)||(this.state.volumeIndicatorCallbacks[e]=[]),this.state.volumeIndicatorCallbacks[e].push(t),this.sendVolumeIndicatorChange(e,!0,!0,!0,this.state.attendeeIdToExternalUserId[e])}catch(e){this.onError(e)}}realtimeUnsubscribeFromVolumeIndicator(e,t){if(this.state.volumeIndicatorCallbacks[e]){if(t){let i=this.state.volumeIndicatorCallbacks[e].indexOf(t);i>=0&&this.state.volumeIndicatorCallbacks[e].splice(i,1)}else delete this.state.volumeIndicatorCallbacks[e]}}realtimeUpdateVolumeIndicator(e,t,i,n,r){try{i=this.applyLocalMuteOverride(e,i);let s=this.getVolumeIndicatorState(e),a=!1,o=!1,d=!1;null!==i&&s.muted!==i&&(s.muted=i,o=!0,s.muted&&0!==s.volume&&(s.volume=0,a=!0)),s.muted||null===t||(s.volume!==t&&(s.volume=t,a=!0),null!==s.muted||(s.muted=!1,o=!0)),null!==n&&s.signalStrength!==n&&(s.signalStrength=n,d=!0),this.sendVolumeIndicatorChange(e,a,o,d,r)}catch(e){this.onError(e)}}realtimeSubscribeToLocalSignalStrengthChange(e){try{if(this.state.localSignalStrengthChangeCallbacks.push(e),null===this.state.localAttendeeId)return;this.sendLocalSignalStrengthChange(this.state.localAttendeeId,!0)}catch(e){this.onError(e)}}realtimeUnsubscribeToLocalSignalStrengthChange(e){try{let t=this.state.localSignalStrengthChangeCallbacks.indexOf(e);-1!==t&&this.state.localSignalStrengthChangeCallbacks.splice(t,1)}catch(e){this.onError(e)}}realtimeSubscribeToSendDataMessage(e){try{this.state.sendDataMessageCallbacks.push(e)}catch(e){this.onError(e)}}realtimeUnsubscribeFromSendDataMessage(e){try{let t=this.state.sendDataMessageCallbacks.indexOf(e);-1!==t&&this.state.sendDataMessageCallbacks.splice(t,1)}catch(e){this.onError(e)}}realtimeSendDataMessage(e,t,i){try{for(let n of this.state.sendDataMessageCallbacks)n(e,t,i)}catch(e){this.onError(e)}}realtimeSubscribeToReceiveDataMessage(e,t){try{this.state.receiveDataMessageCallbacks.has(e)?this.state.receiveDataMessageCallbacks.get(e).push(t):this.state.receiveDataMessageCallbacks.set(e,[t])}catch(e){this.onError(e)}}realtimeUnsubscribeFromReceiveDataMessage(e){try{this.state.receiveDataMessageCallbacks.delete(e)}catch(e){this.onError(e)}}realtimeReceiveDataMessage(e){try{(0,s.iterateEvery)(this.state.receiveDataMessageCallbacks.get(e.topic),t=>{t(e)})}catch(e){Promise.reject(e)}}realtimeSubscribeToFatalError(e){try{this.state.fatalErrorCallbacks.push(e)}catch(e){this.onError(e)}}realtimeUnsubscribeToFatalError(e){try{let t=this.state.fatalErrorCallbacks.indexOf(e);-1!==t&&this.state.fatalErrorCallbacks.splice(t,1)}catch(e){this.onError(e)}}get transcriptionController(){return this._transcriptionController}setAudioInputEnabled(e){e?this.mediaStreamBroker.unmuteLocalAudioInputStream():this.mediaStreamBroker.muteLocalAudioInputStream()}applyLocalMuteOverride(e,t){let i=this.state.localAttendeeId,n=this.state.muted;return e===i&&"activeDevices"in this.mediaStreamBroker&&this.mediaStreamBroker.activeDevices.audio?n:t}

17sendVolumeIndicatorChange(e,t,i,n,r){if(this.sendLocalSignalStrengthChange(e,n),!this.state.volumeIndicatorCallbacks.hasOwnProperty(e))return;let s=this.getVolumeIndicatorState(e),a=new o.default;if(t&&(a.volume=s.volume),i&&(a.muted=s.muted),n&&(a.signalStrength=s.signalStrength),!this.stateIsEmpty(a))for(let t of this.state.volumeIndicatorCallbacks[e])t(e,a.volume,a.muted,a.signalStrength,r)}sendLocalSignalStrengthChange(e,t){if(!t||e!==this.state.localAttendeeId)return;let i=this.getVolumeIndicatorState(e).signalStrength;if(null!==i)for(let e of this.state.localSignalStrengthChangeCallbacks)e(i)}getVolumeIndicatorState(e){return this.state.volumeIndicatorState.hasOwnProperty(e)||(this.state.volumeIndicatorState[e]=new o.default),this.state.volumeIndicatorState[e]}stateIsEmpty(e){return null===e.volume&&null===e.muted&&null===e.signalStrength}onError(e){try{for(let t of this.state.fatalErrorCallbacks)t(e)}catch(t){try{console.error(e),console.error(t)}catch(e){}}}}t.default=d},69925:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.attendeeIndex=null,this.attendeesInFrame=null}}t.default=i},58142:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.localAttendeeId=null,this.localExternalUserId=null,this.attendeeIdChangesCallbacks=[],this.canUnmute=!0,this.setCanUnmuteLocalAudioCallbacks=[],this.muted=!1,this.muteAndUnmuteLocalAudioCallbacks=[],this.volumeIndicatorState={},this.attendeeIdToExternalUserId={},this.volumeIndicatorCallbacks={},this.localSignalStrengthChangeCallbacks=[],this.fatalErrorCallbacks=[],this.sendDataMessageCallbacks=[],this.receiveDataMessageCallbacks=new Map}}t.default=i},34605:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.volume=null,this.muted=null,this.signalStrength=null}}t.default=i},80409:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(71474));class s{constructor(e,t){this.reconnectTimeoutMs=e,this.backoffPolicy=t,this.shouldReconnect=!0,this.onlyRestartPeerConnection=!1,this.firstConnectionAttempted=!1,this.firstConnectionAttemptTimestampMs=0,this.lastActiveTimestampMs=1/0,this._isFirstConnection=!0,this.backoffTimer=null,this.backoffCancel=null,this.reset()}timeSpentReconnectingMs(){return this.firstConnectionAttempted?Date.now()-this.firstConnectionAttemptTimestampMs:0}hasPastReconnectDeadline(){return Date.now()-this.lastActiveTimestampMs>=this.reconnectTimeoutMs||this.timeSpentReconnectingMs()>=this.reconnectTimeoutMs}reset(){this.cancel(),this.shouldReconnect=!0,this.onlyRestartPeerConnection=!1,this.firstConnectionAttempted=!1,this.firstConnectionAttemptTimestampMs=0,this.lastActiveTimestampMs=1/0,this.backoffPolicy.reset()}startedConnectionAttempt(e){this._isFirstConnection=e,this.firstConnectionAttempted||(this.firstConnectionAttempted=!0,this.firstConnectionAttemptTimestampMs=Date.now())}hasStartedConnectionAttempt(){return this.firstConnectionAttempted}isFirstConnection(){return this._isFirstConnection}disableReconnect(){this.shouldReconnect=!1}enableRestartPeerConnection(){this.onlyRestartPeerConnection=!0}cancel(){this.disableReconnect(),this.backoffTimer&&(this.backoffTimer.stop(),this.backoffCancel&&(this.backoffCancel(),this.backoffCancel=null))}retryWithBackoff(e,t){let i=this.shouldReconnect&&!this.hasPastReconnectDeadline();return i&&(this.backoffCancel=t,this.backoffTimer=new r.default(this.backoffPolicy.nextBackoffAmountMs()),this.backoffTimer.start(()=>{this.backoffCancel=null,e()})),i}shouldOnlyRestartPeerConnection(){return this.onlyRestartPeerConnection}clone(){return new s(this.reconnectTimeoutMs,this.backoffPolicy)}setLastActiveTimestampMs(e){this.lastActiveTimestampMs=e}}t.default=s},27089:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default="class RedundantAudioEncoder {\n    constructor() {\n        // Each payload must be less than 1024 bytes to fit the 10 bit block length\n        this.maxRedPacketSizeBytes = 1 << 10;\n        // Limit payload to 1000 bytes to handle small MTU. 1000 is chosen because in Chromium-based browsers, writing audio\n        // payloads larger than 1000 bytes using the WebRTC Insertable Streams API (which is used to enable dynamic audio\n        // redundancy) will cause an error to be thrown and cause audio flow to permanently stop. See\n        // https://crbug.com/1248479.\n        this.maxAudioPayloadSizeBytes = 1000;\n        // Each payload can encode a timestamp delta of 14 bits\n        this.maxRedTimestampOffset = 1 << 14;\n        // 4 byte RED header\n        this.redHeaderSizeBytes = 4;\n        // reduced size for last RED header\n        this.redLastHeaderSizeBytes = 1;\n        // P-Time for Opus 20 msec packets\n        // We do not support other p-times or clock rates\n        this.redPacket

17izationTime = 960;\n        // distance between redundant payloads, Opus FEC handles a distance of 1\n        // TODO(https://issues.amazon.com/issues/ChimeSDKAudio-55):\n        // Consider making this dynamic\n        this.redPacketDistance = 2;\n        // maximum number of redundant payloads per RTP packet\n        this.maxRedEncodings = 2;\n        // Maximum number of encodings that can be recovered with a single RED packet, assuming the primary and redundant\n        // payloads have FEC.\n        this.redMaxRecoveryDistance = this.redPacketDistance * this.maxRedEncodings + 1;\n        // maximum history of prior payloads to keep\n        // generally we will expire old entries based on timestamp\n        // this limit is in place just to make sure the history does not\n        // grow too large in the case of erroneous timestamp inputs\n        this.maxEncodingHistorySize = 10;\n        // Current number of encodings we want to send\n        // to the remote end. This will be dynamically\n        // updated through the setNumEncodingsFromPacketloss API\n        this.numRedundantEncodings = 0;\n        // Used to enable or disable redundancy\n        // in response to very high packet loss events\n        this.redundancyEnabled = true;\n        // Loss stats are reported to the main thread every 5 seconds.\n        // Since timestamp differences between 2 consecutive packets\n        // give us the number of samples in each channel, 1 second\n        // is equivalent to 48000 samples:\n        // P-time * (1000ms/1s)\n        // = (960 samples/20ms) * (1000ms/1s)\n        // = 48000 samples/s\n        this.lossReportInterval = 48000 * 5;\n        // Maximum distance of a packet from the most recent packet timestamp\n        // that we will consider for recovery.\n        this.maxOutOfOrderPacketDistance = 16;\n        /**\n         * Below are Opus helper methods and constants.\n         */\n        this.OPUS_BAD_ARG = -1;\n        this.OPUS_INVALID_PACKET = -4;\n        // Max number of Opus frames in an Opus packet is 48 (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.5).\n        this.OPUS_MAX_OPUS_FRAMES = 48;\n        // Max number of bytes that any individual Opus frame can have.\n        this.OPUS_MAX_FRAME_SIZE_BYTES = 1275;\n        this.encodingHistory = new Array();\n        this.opusPayloadType = 0;\n        this.redPayloadType = 0;\n        this.initializePacketLogs();\n    }\n    /**\n     * Creates an instance of RedundantAudioEncoder and sets up callbacks.\n     */\n    static initializeWorker() {\n        RedundantAudioEncoder.log('Initializing RedundantAudioEncoder');\n        const encoder = new RedundantAudioEncoder();\n        // RED encoding is done using WebRTC Encoded Transform\n        // https://github.com/w3c/webrtc-encoded-transform/blob/main/explainer.md\n        // Check the DedicatedWorkerGlobalScope for existence of\n        // RTCRtpScriptTransformer interface. If exists, then\n        // RTCRtpScriptTransform is supported by this browser.\n        // @ts-ignore\n        if (self.RTCRtpScriptTransformer) {\n            // @ts-ignore\n            self.onrtctransform = (event) => {\n                if (event.transformer.options.type === 'SenderTransform') {\n                    encoder.setupSenderTransform(event.transformer.readable, event.transformer.writable);\n                }\n                else if (event.transformer.options.type === 'ReceiverTransform') {\n                    encoder.setupReceiverTransform(event.transformer.readable, event.transformer.writable);\n                }\n                else if (event.transformer.options.type === 'PassthroughTransform') {\n                    encoder.setupPassthroughTransform(event.transformer.readable, event.transformer.writable);\n                }\n            };\n        }\n        self.onmessage = (event) => {\n            if (event.data.msgType === 'StartRedWorker') {\n                encoder.setupSenderTransform(event.data.send.readable, event.data.send.writable);\n                encoder.setupReceiverTransform(event.data.receive.readable, event.data.receive.writable);\n            }\n            else if (event.data.msgType === 'PassthroughTransform') {\n                encoder.setupPassthroughTransform(event.data.send.readable, event.data.send.writable);\n                encoder.setupPassthroughTransform(event.data.receive.readable, event.data.receive.writable);\n            }\n            else if (event.data.msgType === 'RedPayloadType') {\n                encoder.setRedPayloadType(event.data.payloadType);\n            }

17\n            else if (event.data.msgType === 'OpusPayloadType') {\n                encoder.setOpusPayloadType(event.data.payloadType);\n            }\n            else if (event.data.msgType === 'UpdateNumRedundantEncodings') {\n                encoder.setNumRedundantEncodings(event.data.numRedundantEncodings);\n            }\n            else if (event.data.msgType === 'Enable') {\n                encoder.setRedundancyEnabled(true);\n            }\n            else if (event.data.msgType === 'Disable') {\n                encoder.setRedundancyEnabled(false);\n            }\n        };\n    }\n    /**\n     * Post logs to the main thread\n     */\n    static log(msg) {\n        if (RedundantAudioEncoder.shouldLog) {\n            // @ts-ignore\n            self.postMessage({\n                type: 'REDWorkerLog',\n                log: `[AudioRed] ${msg}`,\n            });\n        }\n    }\n    /**\n     * Returns the number of encodings based on packetLoss value. This is used by `DefaultTransceiverController` to\n     * determine when to alert the encoder to update the number of encodings. It also determines if we need to\n     * turn off red in cases of very high packet loss to avoid congestion collapse.\n     */\n    static getNumRedundantEncodingsForPacketLoss(packetLoss) {\n        let recommendedRedundantEncodings = 0;\n        let shouldTurnOffRed = false;\n        if (packetLoss <= 8) {\n            recommendedRedundantEncodings = 0;\n        }\n        else if (packetLoss <= 18) {\n            recommendedRedundantEncodings = 1;\n        }\n        else if (packetLoss <= 75) {\n            recommendedRedundantEncodings = 2;\n        }\n        else {\n            recommendedRedundantEncodings = 0;\n            shouldTurnOffRed = true;\n        }\n        return [recommendedRedundantEncodings, shouldTurnOffRed];\n    }\n    /**\n     * Sets up a passthrough (no-op) transform for the given streams.\n     */\n    setupPassthroughTransform(readable, writable) {\n        RedundantAudioEncoder.log('Setting up passthrough transform');\n        readable.pipeTo(writable);\n    }\n    /**\n     * Sets up the transform stream and pipes the outgoing encoded audio frames through the transform function.\n     */\n    setupSenderTransform(readable, writable) {\n        RedundantAudioEncoder.log('Setting up sender RED transform');\n        const transformStream = new TransformStream({\n            transform: this.senderTransform.bind(this),\n        });\n        readable.pipeThrough(transformStream).pipeTo(writable);\n        return;\n    }\n    /**\n     * Sets up the transform stream and pipes the received encoded audio frames through the transform function.\n     */\n    setupReceiverTransform(readable, writable) {\n        RedundantAudioEncoder.log('Setting up receiver RED transform');\n        const transformStream = new TransformStream({\n            transform: this.receivePacketLogTransform.bind(this),\n        });\n        readable.pipeThrough(transformStream).pipeTo(writable);\n        return;\n    }\n    /**\n     * Set the RED payload type ideally obtained from local offer.\n     */\n    setRedPayloadType(payloadType) {\n        this.redPayloadType = payloadType;\n        RedundantAudioEncoder.log(`red payload type set to ${this.redPayloadType}`);\n    }\n    /**\n     * Set the opus payload type ideally obtained from local offer.\n     */\n    setOpusPayloadType(payloadType) {\n        this.opusPayloadType = payloadType;\n        RedundantAudioEncoder.log(`opus payload type set to ${this.opusPayloadType}`);\n    }\n    /**\n     * Set the number of redundant encodings\n     */\n    setNumRedundantEncodings(numRedundantEncodings) {\n        this.numRedundantEncodings = numRedundantEncodings;\n        if (this.numRedundantEncodings > this.maxRedEncodings) {\n            this.numRedundantEncodings = this.maxRedEncodings;\n        }\n        RedundantAudioEncoder.log(`Updated numRedundantEncodings to ${this.numRedundantEncodings}`);\n    }\n    /**\n     * Enable or disable redundancy in response to\n     * high packet loss event.\n     */\n    setRedundancyEnabled(enabled) {\n        this.redundancyEnabled = enabled;\n        RedundantAudioEncoder.log(`redundancy ${this.redundancyEnabled ? 'enabled' : 'disabled'}`);\n    }\n    /**\n     * Helper function to only enqueue audio frames if they do not exceed the audio payload byte limit imposed by\n     * Chromium-based browsers. Chromium will throw an error (https://crbug.com/1248479) if an audio payload larger than\n     * 1000 bytes is enqueued. Any controller that attempts to enqueue an audio payload larger than 1000 bytes will\n     * encounter this error and will permanently stop sending or receiving audio.\n     */\n    enqueueAudioFrameIfPayloadSizeIsValid(\n    // @ts-ignore\n    frame, controller) {\n        if (frame.data.byteLength > this.maxAudioPayloadSizeBytes)\n            return;\n        controller.enqueue(frame);\n    }\n    /**\n     * Receives encoded frames and modifies as needed before sending to transport.\n     */\n    senderTransform(\n    // @ts-ignore\n    frame, controller) {\n        const frameMetadata = frame.getMetadata();\n        // @ts-ignore\n        if (frameMetadata.payloadType !== this.redPayloadType) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        const primaryPayloadBuffer = this.getPrimaryPayload(frame.timestamp, frame.data);\n        if (!primaryPayloadBuffer) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        const encodedBuffer = this.encode(frame.timestamp, primaryPayloadBuffer);\n        /* istanbul ignore next */\n        if (!encodedBuffer) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        frame.data = encodedBuffer;\n        this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n        return;\n    }\n    /**\n     * Get the primary payload from encoding\n     */\n    getPrimaryPayload(primaryTimestamp, frame) {\n        const encodings = this.splitEncodings(primaryTimestamp, frame);\n        if (!encodings || encodings.length < 1)\n            return null;\n        return encodings[encodings.length - 1].payload;\n    }\n    /**\n     * Split up the encoding received into primary and redundant encodings\n     * These will be ordered oldest to newest which is the same ordering\n     * in the RTP red payload.\n     */\n    splitEncodings(primaryTimestamp, frame, getFecInfo = false, primarySequenceNumber = undefined) {\n        // process RED headers (according to RFC 2198)\n        //   0                   1                   2                   3\n        //   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\n        //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n        //  |F|   block PT  |  timestamp offset         |   block length    |\n        //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n        //\n        // last header\n        //   0 1 2 3 4 5 6 7\n        //  +-+-+-+-+-+-+-+-+\n        //  |0|   Block PT  |\n        //  +-+-+-+-+-+-+-+-+\n        const payload = new DataView(frame);\n        let payloadSizeBytes = payload.byteLength;\n        let totalPayloadSizeBytes = 0;\n        let totalHeaderSizeBytes = 0;\n        let primaryPayloadSizeBytes = 0;\n        let payloadOffset = 0;\n        let gotLastBlock = false;\n        const encodings = new Array();\n        const redundantEncodingBlockLengths = [];\n        const redundantEncodingTimestamps = [];\n        while (payloadSizeBytes > 0) {\n            gotLastBlock = (payload.getUint8(payloadOffset) & 0x80) === 0;\n            if (gotLastBlock) {\n                // Bits 1 through 7 are payload type\n                const payloadType = payload.getUint8(payloadOffset) & 0x7f;\n                // Unexpected payload type. This is a bad packet.\n                if (payloadType !== this.opusPayloadType) {\n                    return null;\n                }\n                totalPayloadSizeBytes += this.redLastHeaderSizeBytes;\n                totalHeaderSizeBytes += this.redLastHeaderSizeBytes;\n                // Accumulated block lengths are equal to or larger than the buffer, which means there is no primary block. This\n                // is a bad packet.\n                if (totalPayloadSizeBytes >= payload.byteLength) {\n                    return null;\n                }\n                primaryPayloadSizeBytes = payload.byteLength - totalPayloadSizeBytes;\n                break;\n            }\n            else {\n                if (payloadSizeBytes < this.redHeaderSizeBytes) {\n                    return null;\n                }\n                // Bits 22 through 31 are payload length\n                const blockLength = ((payload.getUint8(payloadOffset + 2) & 0x03) << 8) + payload.getUint8(payloadOffset + 3);\n                redundantEncodingBlockLengths.push(blockLength);\n                const timestampOffset = payload.getUint16(payloadOffset + 1) >> 2;\n                const timestamp = primaryTimestamp - timestampOffset;\n                redundantEncodingTimestamps.push(timestamp);\n                totalPayloadSizeBytes += blockLength + this.redHeaderSizeBytes;\n                totalHeaderSizeBytes += this.redHeaderSizeBytes;\n                payloadOffset += this.redHeaderSizeBytes;\n                payloadSizeBytes -= this.redHeaderSizeBytes;\n            }\n        }\n        // The last block was never found. The packet we received\n        // does not have a good RED payload.\n        if (!gotLastBlock) {\n            // Note that sequence numbers only exist for\n            // incoming audio frames.\n            if (primarySequenceNumber !== undefined) {\n                // This could be a possible padding packet used\n                // for BWE with a good sequence number.\n                // Create a dummy encoding to make sure loss values\n                // are calculated correctly by consuming sequence number.\n                // Note that for the receive side, we process packets only\n                // for loss/recovery calculations and forward the original\n                // packet without changing it even in the error case.\n                encodings.push({\n                    payload: frame,\n                    isRedundant: false,\n                    seq: primarySequenceNumber,\n                });\n                return encodings;\n            }\n            // This is a bad packet.\n            return null;\n        }\n        let redundantPayloadOffset = totalHeaderSizeBytes;\n        for (let i = 0; i < redundantEncodingTimestamps.length;

17 i++) {\n            const redundantPayloadBuffer = new ArrayBuffer(redundantEncodingBlockLengths[i]);\n            const redundantPayloadArray = new Uint8Array(redundantPayloadBuffer);\n            redundantPayloadArray.set(new Uint8Array(payload.buffer, redundantPayloadOffset, redundantEncodingBlockLengths[i]), 0);\n            const encoding = {\n                timestamp: redundantEncodingTimestamps[i],\n                payload: redundantPayloadBuffer,\n                isRedundant: true,\n            };\n            if (getFecInfo) {\n                encoding.hasFec = this.opusPacketHasFec(new DataView(redundantPayloadBuffer), redundantPayloadBuffer.byteLength);\n            }\n            encodings.push(encoding);\n            redundantPayloadOffset += redundantEncodingBlockLengths[i];\n        }\n        const primaryPayloadOffset = payload.byteLength - primaryPayloadSizeBytes;\n        const primaryPayloadBuffer = new ArrayBuffer(primaryPayloadSizeBytes);\n        const primaryArray = new Uint8Array(primaryPayloadBuffer);\n        primaryArray.set(new Uint8Array(payload.buffer, primaryPayloadOffset, primaryPayloadSizeBytes), 0);\n        const encoding = {\n            timestamp: primaryTimestamp,\n            payload: primaryPayloadBuffer,\n            isRedundant: false,\n            seq: primarySequenceNumber,\n        };\n        if (getFecInfo) {\n            encoding.hasFec = this.opusPacketHasFec(new DataView(primaryPayloadBuffer), primaryPayloadBuffer.byteLength);\n        }\n        encodings.push(encoding);\n        return encodings;\n    }\n    /**\n     * Create a new encoding with current primary payload and the older payloads of choice.\n     */\n    encode(primaryTimestamp, primaryPayload) {\n        const primaryPayloadSize = primaryPayload.byteLength;\n        // Payload size needs to be valid.\n        if (primaryPayloadSize === 0 ||\n            primaryPayloadSize >= this.maxRedPacketSizeBytes ||\n            primaryPayloadSize >= this.maxAudioPayloadSizeBytes) {\n            return null;\n        }\n        const numRedundantEncodings = this.numRedundantEncodings;\n        let headerSizeBytes = this.redLastHeaderSizeBytes;\n        let payloadSizeBytes = primaryPayloadSize;\n        let bytesAvailable = this.maxAudioPayloadSizeBytes - primaryPayloadSize - headerSizeBytes;\n        const redundantEncodingTimestamps = [];\n        const redundantEncodingPayloads = [];\n        // If redundancy is disabled then only send the primary payload\n        if (this.redundancyEnabled) {\n            // Determine how much redundancy we can fit into our packet\n            let redundantTimestamp = this.uint32WrapAround(primaryTimestamp - this.redPacketizationTime * this.redPacketDistance);\n            for (let i = 0; i < numRedundantEncodings; i++) {\n                // Do not add redundant encodings that are beyond the maximum timestamp offset.\n                if (this.uint32WrapAround(primaryTimestamp - redundantTimestamp) >= this.maxRedTimestampOffset) {\n                    break;\n                }\n                let findTimestamp = redundantTimestamp;\n                let encoding = this.encodingHistory.find(e => e.timestamp === findTimestamp);\n                if (!encoding) {\n                    // If not found or not important then look for the previous packet.\n                    // The current packet may have included FEC for the previous, so just\n                    // use the previous packet instead provided that it has voice activity.\n                    findTimestamp = this.uint32WrapAround(redundantTimestamp - this.redPacketizationTime);\n                    encoding = this.encodingHistory.find(e => e.timestamp === findTimestamp);\n                }\n                if (encoding) {\n                    const redundantEncodingSizeBytes = encoding.payload.byteLength;\n                    // Only add redundancy if there are enough bytes available.\n                    if (bytesAvailable < this.redHeaderSizeBytes + redundantEncodingSizeBytes)\n                        break;\n                    bytesAvailable -= this.redHeaderSizeBytes + redundantEncodingSizeBytes;\n                    headerSizeBytes += this.redHeaderSizeBytes;\n                    payloadSizeBytes += redundantEncodingSizeBytes;\n                    redundantEncodingTimestamps.unshift(encoding.timestamp);\n                    redundantEncodingPayloads.unshift(encoding.payload);\n                }

17\n                redundantTimestamp -= this.redPacketizationTime * this.redPacketDistance;\n                redundantTimestamp = this.uint32WrapAround(redundantTimestamp);\n            }\n        }\n        const redPayloadBuffer = new ArrayBuffer(headerSizeBytes + payloadSizeBytes);\n        const redPayloadView = new DataView(redPayloadBuffer);\n        // Add redundant encoding header(s) to new buffer\n        let redPayloadOffset = 0;\n        for (let i = 0; i < redundantEncodingTimestamps.length; i++) {\n            const timestampDelta = primaryTimestamp - redundantEncodingTimestamps[i];\n            redPayloadView.setUint8(redPayloadOffset, this.opusPayloadType | 0x80);\n            redPayloadView.setUint16(redPayloadOffset + 1, (timestampDelta << 2) | (redundantEncodingPayloads[i].byteLength >> 8));\n            redPayloadView.setUint8(redPayloadOffset + 3, redundantEncodingPayloads[i].byteLength & 0xff);\n            redPayloadOffset += this.redHeaderSizeBytes;\n        }\n        // Add primary encoding header to new buffer\n        redPayloadView.setUint8(redPayloadOffset, this.opusPayloadType);\n        redPayloadOffset += this.redLastHeaderSizeBytes;\n        // Add redundant payload(s) to new buffer\n        const redPayloadArray = new Uint8Array(redPayloadBuffer);\n        for (let i = 0; i < redundantEncodingPayloads.length; i++) {\n            redPayloadArray.set(new Uint8Array(redundantEncodingPayloads[i]), redPayloadOffset);\n            redPayloadOffset += redundantEncodingPayloads[i].byteLength;\n        }\n        // Add primary payload to new buffer\n        redPayloadArray.set(new Uint8Array(primaryPayload), redPayloadOffset);\n        redPayloadOffset += primaryPayload.byteLength;\n        /* istanbul ignore next */\n        // Sanity check that we got the expected total payload size.\n        if (redPayloadOffset !== headerSizeBytes + payloadSizeBytes)\n            return null;\n        this.updateEncodingHistory(primaryTimestamp, primaryPayload);\n        return redPayloadBuffer;\n    }\n    /**\n     * Update the encoding history with the latest primary encoding\n     */\n    updateEncodingHistory(primaryTimestamp, primaryPayload) {\n        // Remove encodings from the history if they are too old.\n        for (const encoding of this.encodingHistory) {\n            const maxTimestampDelta = this.redPacketizationTime * this.redMaxRecoveryDistance;\n            if (primaryTimestamp - encoding.timestamp >= maxTimestampDelta) {\n                this.encodingHistory.shift();\n            }\n            else {\n                break;\n            }\n        }\n        // Only add an encoding to the history if the encoding is deemed to be important. An encoding is important if it is\n        // a CELT-only packet or contains voice activity.\n        const packet = new DataView(primaryPayload);\n        if (this.opusPacketIsCeltOnly(packet) ||\n            this.opusPacketHasVoiceActivity(packet, packet.byteLength) > 0) {\n            // Check if adding an encoding will cause the length of the encoding history to exceed the maximum history size.\n            // This is not expected to happen but could occur if we get incorrect timestamps. We want to make sure our memory\n            // usage is bounded. In this case, just clear the history and start over from empty.\n            if (this.encodingHistory.length + 1 > this.maxEncodingHistorySize)\n                this.encodingHistory.length = 0;\n            this.encodingHistory.push({ timestamp: primaryTimestamp, payload: primaryPayload });\n        }\n    }\n    /**\n     * Initialize packet logs and metric values.\n     */\n    initializePacketLogs() {\n        // The extra space from the max RED recovery distance is to ensure that we do not incorrectly count recovery for\n        // packets that have already been received but are outside of the max out-of-order distance.\n        const packetLogSize = this.maxOutOfOrderPacketDistance + this.redMaxRecoveryDistance;\n        this.primaryPacketLog = {\n            window: new Array(packetLogSize),\n            index: 0,\n            windowSize: packetLogSize,\n        };\n        this.redRecoveryLog = {\n            window: new Array(packetLogSize),\n            index: 0,\n            windowSize: packetLogSize,\n        };

17\n        this.fecRecoveryLog = {\n            window: new Array(packetLogSize),\n            index: 0,\n            windowSize: packetLogSize,\n        };\n        this.totalAudioPacketsExpected = 0;\n        this.totalAudioPacketsLost = 0;\n        this.totalAudioPacketsRecoveredRed = 0;\n        this.totalAudioPacketsRecoveredFec = 0;\n    }\n    /**\n     * Receives encoded frames from the server\n     * and adds the timestamps to a packet log\n     * to calculate an approximate recovery metric.\n     */\n    receivePacketLogTransform(\n    // @ts-ignore\n    frame, controller) {\n        const frameMetadata = frame.getMetadata();\n        // @ts-ignore\n        if (frameMetadata.payloadType !== this.redPayloadType) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        // @ts-ignore\n        const encodings = this.splitEncodings(frame.timestamp, frame.data, \n        /*getFecInfo*/ true, frameMetadata.sequenceNumber);\n        if (!encodings) {\n            this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n            return;\n        }\n        for (let i = encodings.length - 1; i >= 0; i--) {\n            if (this.updateLossStats(encodings[i])) {\n                this.updateRedStats(encodings[i]);\n                this.updateFecStats(encodings[i]);\n            }\n        }\n        this.maybeReportLossStats(frameMetadata.synchronizationSource, encodings[encodings.length - 1].timestamp);\n        this.enqueueAudioFrameIfPayloadSizeIsValid(frame, controller);\n    }\n    /**\n     * Adds a timestamp to the primary packet log.\n     * This also updates totalAudioPacketsLost and totalAudioPacketsExpected by looking\n     * at the difference between timestamps.\n     *\n     * @param encoding : The encoding to be analyzed\n     * @returns false if sequence number was greater than max out of order distance\n     *          true otherwise\n     */\n    updateLossStats(encoding) {\n        if (encoding.isRedundant)\n            return true;\n        const timestamp = encoding.timestamp;\n        const seq = encoding.seq;\n        if (this.totalAudioPacketsExpected === 0) {\n            this.totalAudioPacketsExpected = 1;\n            this.newestSequenceNumber = seq;\n            this.addTimestamp(this.primaryPacketLog, timestamp);\n            return true;\n        }\n        const diff = this.int16(seq - this.newestSequenceNumber);\n        if (diff < -this.maxOutOfOrderPacketDistance)\n            return false;\n        if (diff < 0) {\n            if (!this.hasTimestamp(this.primaryPacketLog, timestamp)) {\n                if (this.totalAudioPacketsLost > 0)\n                    this.totalAudioPacketsLost--;\n                this.addTimestamp(this.primaryPacketLog, timestamp);\n                this.removeFromRecoveryWindows(timestamp);\n            }\n        }\n        else if (diff > 1) {\n            this.totalAudioPacketsLost += diff - 1;\n        }\n        if (diff > 0) {\n            this.totalAudioPacketsExpected += diff;\n            this.newestSequenceNumber = encoding.seq;\n            this.addTimestamp(this.primaryPacketLog, timestamp);\n        }\n        return true;\n    }\n    /**\n     * Adds a timestamp to the red recovery log if it is not present in\n     * the primary packet log and if it's not too old.\n     *\n     * @param encoding : The encoding to be analyzed\n     */\n    updateRedStats(encoding) {\n        if (!encoding.isRedundant || this.totalAudioPacketsLost === 0)\n            return;\n        const timestamp = encoding.timestamp;\n        if (!this.hasTimestamp(this.primaryPacketLog, timestamp)) {\n            if (!this.hasTimestamp(this.redRecoveryLog, timestamp)) {\n                this.totalAudioPacketsRecoveredRed++;\n                this.addTimestamp(this.redRecoveryLog, timestamp);\n            }\n            if (this.removeTimestamp(this.fecRecoveryLog, timestamp)) {\n                /* istanbul ignore else */\n                if (this.totalAudioPacketsRecoveredFec > 0)\n                    this.totalAudioPacketsRecoveredFec--;\n            }\n        }\n    }\n    /**\n     * Adds a timestamp to the fec recovery log if it is not present in\n     * the primary packet log and red recovery log and if it is not too old.\n     *\n     * @param encoding : The encoding to be analyzed\n     */\n    updateFecStats(encoding) {\n        if (!encoding.hasFec || this.totalAudioPacketsLost === 0)\n            return;\n        const fecTimestamp = encoding.timestamp - this.redPacket

17izationTime;\n        if (this.hasTimestamp(this.primaryPacketLog, fecTimestamp) ||\n            this.hasTimestamp(this.redRecoveryLog, fecTimestamp) ||\n            this.hasTimestamp(this.fecRecoveryLog, fecTimestamp)) {\n            return;\n        }\n        this.totalAudioPacketsRecoveredFec++;\n        this.addTimestamp(this.fecRecoveryLog, fecTimestamp);\n    }\n    /**\n     * Reports loss metrics to DefaultTransceiverController\n     *\n     * @param timestamp : Timestamp of most recent primary packet\n     */\n    maybeReportLossStats(ssrc, timestamp) {\n        if (timestamp === undefined ||\n            timestamp - this.lastLossReportTimestamp < this.lossReportInterval)\n            return;\n        /* istanbul ignore next */\n        if (RedundantAudioEncoder.shouldReportStats) {\n            // @ts-ignore\n            self.postMessage({\n                type: 'RedundantAudioEncoderStats',\n                ssrc,\n                totalAudioPacketsLost: this.totalAudioPacketsLost,\n                totalAudioPacketsExpected: this.totalAudioPacketsExpected,\n                totalAudioPacketsRecoveredRed: this.totalAudioPacketsRecoveredRed,\n                totalAudioPacketsRecoveredFec: this.totalAudioPacketsRecoveredFec,\n            });\n        }\n        this.lastLossReportTimestamp = timestamp;\n    }\n    /**\n     * Adds a timestamp to a packet log\n     *\n     * @param packetLog : The packetlog to add the timestamp to\n     * @param timestamp : The timestamp that should be added\n     */\n    addTimestamp(packetLog, timestamp) {\n        if (timestamp === undefined) {\n            return;\n        }\n        packetLog.window[packetLog.index] = timestamp;\n        packetLog.index = (packetLog.index + 1) % packetLog.windowSize;\n    }\n    /**\n     * Checks if a timestamp is in a packetlog\n     *\n     * @param packetLog : The packetlog to search\n     * @param timestamp : The timestamp to search for\n     * @returns true if timestamp is present, false otherwise\n     */\n    hasTimestamp(packetLog, timestamp) {\n        const element = packetLog.window.find(t => t === timestamp);\n        return !!element;\n    }\n    /**\n     * Removes a timestamp from a packet log\n     *\n     * @param packetLog : The packetlog from which the timestamp should be removed\n     * @param timestamp : The timestamp to be removed\n     * @returns true if timestamp was present in the log and removed, false otherwise\n     */\n    removeTimestamp(packetLog, timestamp) {\n        const index = packetLog.window.indexOf(timestamp);\n        if (index >= 0) {\n            packetLog.window[index] = undefined;\n            return true;\n        }\n        return false;\n    }\n    /**\n     * Removes a timestamp from red and fec recovery windows.\n     *\n     * @param timestamp : The timestamp to be removed\n     */\n    removeFromRecoveryWindows(timestamp) {\n        let removed = this.removeTimestamp(this.redRecoveryLog, timestamp);\n        if (removed) {\n            if (this.totalAudioPacketsRecoveredRed > 0)\n                this.totalAudioPacketsRecoveredRed--;\n        }\n        removed = this.removeTimestamp(this.fecRecoveryLog, timestamp);\n        if (removed) {\n            if (this.totalAudioPacketsRecoveredFec > 0)\n                this.totalAudioPacketsRecoveredFec--;\n        }\n    }\n    /**\n     * Converts the supplied argument to 32-bit unsigned integer\n     */\n    uint32WrapAround(num) {\n        const mod = 4294967296; // 2^32\n        let res = num;\n        if (num >= mod) {\n            res = num - mod;\n        }\n        else if (num < 0) {\n            res = mod + num;\n        }\n        return res;\n    }\n    /**\n     * Converts the supplied argument to 16-bit signed integer\n     */\n    int16(num) {\n        return (num << 16) >> 16;\n    }\n    /**\n     * Determines if an Opus packet is in CELT-only mode.\n     *\n     * @param packet Opus packet.\n     * @returns `true` if the packet is in CELT-only mode.\n     */\n    opusPacketIsCeltOnly(packet) {\n        // TOC byte format (https://www.rfc-editor.org/rfc/rfc6716#section-3.1):\n        //  0\n        //  0 1 2 3 4 5 6 7\n        // +-+-+-+-+-+-+-+-+\n        // | config  |s| c |\n        // +-+-+-+-+-+-+-+-+\n        // Since CELT-only packets are represented using configurations 16 to 31, the highest 'config' bit will always be 1\n        // for CELT-only packets.\n        return !!(packet.getUint8(0) & 0x80);\n    }\n    /**\n     * Gets the number of samples per frame from an Opus packet.\n     *\n     * @param packet Opus packet. This must contain at least one byte of data.\n     * @param sampleRateHz 32-bit integer sampling rate in Hz. This must be a multiple of 400 or inaccurate results will\n     *                     be returned.\n     * @returns Number of samples per frame.\n     */\n    opusPacketGetSamplesPerFrame

17(packet, sampleRateHz) {\n        // Sample rate must be a 32-bit integer.\n        sampleRateHz = Math.round(sampleRateHz);\n        sampleRateHz = Math.min(Math.max(sampleRateHz, -(2 ** 32)), 2 ** 32 - 1);\n        // TOC byte format (https://www.rfc-editor.org/rfc/rfc6716#section-3.1):\n        //  0\n        //  0 1 2 3 4 5 6 7\n        // +-+-+-+-+-+-+-+-+\n        // | config  |s| c |\n        // +-+-+-+-+-+-+-+-+\n        let numSamples;\n        let frameSizeOption;\n        // Case for CELT-only packet.\n        if (this.opusPacketIsCeltOnly(packet)) {\n            // The lower 3 'config' bits indicate the frame size option.\n            frameSizeOption = (packet.getUint8(0) >> 3) & 0x3;\n            // The frame size options 0, 1, 2, 3 correspond to frame sizes of 2.5, 5, 10, 20 ms. Notice that the frame sizes\n            // can be represented as (2.5 * 2^0), (2.5 * 2^1), (2.5 * 2^2), (2.5 * 2^3) ms. So, the number of samples can be\n            // calculated as follows:\n            // (sample/s) * (1s/1000ms) * (2.5ms) * 2^(frameSizeOption)\n            // = (sample/s) * (1s/400) * 2^(frameSizeOption)\n            // = (sample/s) * 2^(frameSizeOption) * (1s/400)\n            numSamples = (sampleRateHz << frameSizeOption) / 400;\n        }\n        // Case for Hybrid packet. Since Hybrid packets are represented using configurations 12 to 15, bits 1 and 2 in the\n        // above TOC byte diagram will both be 1.\n        else if ((packet.getUint8(0) & 0x60) === 0x60) {\n            // In the case of configuration 13 or 15, bit 4 in the above TOC byte diagram will be 1. Configurations 13 and 15\n            // correspond to a 20ms frame size, so the number of samples is calculated as follows:\n            // (sample/s) * (1s/1000ms) * (20ms)\n            // = (sample/s) * (1s/50)\n            //\n            // In the case of configuration 12 or 14, bit 4 in the above TOC byte diagram will be 0. Configurations 12 and 14\n            // correspond to a 10ms frame size, so the number of samples is calculated as follows:\n            // (sample/s) * (1s/1000ms) * (10ms)\n            // = (sample/s) * (1s/100)\n            numSamples = packet.getUint8(0) & 0x08 ? sampleRateHz / 50 : sampleRateHz / 100;\n        }\n        // Case for SILK-only packet.\n        else {\n            // The lower 3 'config' bits indicate the frame size option for SILK-only packets.\n            frameSizeOption = (packet.getUint8(0) >> 3) & 0x3;\n            if (frameSizeOption === 3) {\n                // Frame size option 3 corresponds to a frame size of 60ms, so the number of samples is calculated as follows:\n                // (sample/s) * (1s/1000ms) * (60ms)\n                // = (sample/s) * (60ms) * (1s/1000ms)\n                numSamples = (sampleRateHz * 60) / 1000;\n            }\n            else {\n                // The frame size options 0, 1, 2 correspond to frame sizes of 10, 20, 40 ms. Notice that the frame sizes can be\n                // represented as (10 * 2^0), (10 * 2^1), (10 * 2^2) ms. So, the number of samples can be calculated as follows:\n                // (sample/s) * (1s/1000ms) * (10ms) * 2^(frameSizeOption)\n                // = (sample/s) * (1s/100) * 2^(frameSizeOption)\n                // = (sample/s) * 2^(frameSizeOption) * (1s/100)\n                numSamples = (sampleRateHz << frameSizeOption) / 100;\n            }\n        }\n        return numSamples;\n    }\n    /**\n     * Gets the number of SILK frames per Opus frame.\n     *\n     * @param packet Opus packet.\n     * @returns Number of SILK frames per Opus frame.\n     */\n    opusNumSilkFrames(packet) {\n        // For computing the frame length in ms, the sample rate is not important since it cancels out. We use 48 kHz, but\n        // any valid sample rate would work.\n        //\n        // To calculate the length of a frame (with a 48kHz sample rate) in ms:\n        // (samples/frame) * (1s/48000 samples) * (1000ms/s)\n        // = (samples/frame) * (1000ms/48000 samples)\n        // = (samples/frame) * (1ms/48 samples)\n        let frameLengthMs = this.opusPacketGetSamplesPerFrame

17(packet, 48000) / 48;\n        if (frameLengthMs < 10)\n            frameLengthMs = 10;\n        // The number of SILK frames per Opus frame is described in https://www.rfc-editor.org/rfc/rfc6716#section-4.2.2.\n        switch (frameLengthMs) {\n            case 10:\n            case 20:\n                return 1;\n            case 40:\n                return 2;\n            case 60:\n                return 3;\n            // It is not possible to reach the default case since an Opus packet can only encode sizes of 2.5, 5, 10, 20, 40,\n            // or 60 ms, so we ignore the default case for test coverage.\n            /* istanbul ignore next */\n            default:\n                return 0;\n        }\n    }\n    /**\n     * Gets the number of channels from an Opus packet.\n     *\n     * @param packet Opus packet.\n     * @returns Number of channels.\n     */\n    opusPacketGetNumChannels(packet) {\n        // TOC byte format (https://www.rfc-editor.org/rfc/rfc6716#section-3.1):\n        //  0\n        //  0 1 2 3 4 5 6 7\n        // +-+-+-+-+-+-+-+-+\n        // | config  |s| c |\n        // +-+-+-+-+-+-+-+-+\n        // The 's' bit indicates mono or stereo audio, with 0 indicating mono and 1 indicating stereo.\n        return packet.getUint8(0) & 0x4 ? 2 : 1;\n    }\n    /**\n     * Determine the size (in bytes) of an Opus frame.\n     *\n     * @param packet Opus packet.\n     * @param byteOffset Offset (from the start of the packet) to the byte containing the size information.\n     * @param remainingBytes Remaining number of bytes to parse from the Opus packet.\n     * @param sizeBytes Variable to store the parsed frame size (in bytes).\n     * @returns Number of bytes that were parsed to determine the frame size.\n     */\n    opusParseSize(packet, byteOffset, remainingBytes, sizeBytes) {\n        // See https://www.rfc-editor.org/rfc/rfc6716#section-3.2.1 for an explanation of how frame size is represented.\n        // If there are no remaining bytes to parse the size from, then the size cannot be determined.\n        if (remainingBytes < 1) {\n            sizeBytes[0] = -1;\n            return -1;\n        }\n        // If the first byte is in the range 0...251, then this value is the size of the frame.\n        else if (packet.getUint8(byteOffset) < 252) {\n            sizeBytes[0] = packet.getUint8(byteOffset);\n            return 1;\n        }\n        // If the first byte is in the range 252...255, a second byte is needed. If there is no second byte, then the size\n        // cannot be determined.\n        else if (remainingBytes < 2) {\n            sizeBytes[0] = -1;\n            return -1;\n        }\n        // The total size of the frame given two size bytes is:\n        // (4 * secondSizeByte) + firstSizeByte\n        else {\n            sizeBytes[0] = 4 * packet.getUint8(byteOffset + 1) + packet.getUint8(byteOffset);\n            return 2;\n        }\n    }\n    /**\n     * Parse binary data containing an Opus packet into one or more Opus frames.\n     *\n     * @param data Binary data containing an Opus packet to be parsed. The data should begin with the first byte (i.e the\n     *             TOC byte) of an Opus packet. Note that the size of the data does not have to equal the size of the\n     *             contained Opus packet.\n     * @param lenBytes Size of the data (in bytes).\n     * @param selfDelimited Indicates if the Opus packet is self-delimiting\n     *                      (https://www.rfc-editor.org/rfc/rfc6716#appendix-B).\n     * @param tocByte Optional variable to store the TOC (table of contents) byte.\n     * @param frameOffsets Optional variable to store the offsets (from the start of the data) to the first bytes of each\n     *                     Opus frame.\n     * @param frameSizes Required variable to store the sizes (in bytes) of each Opus frame.\n     * @param payloadOffset Optional variable to store the offset (from the start of the data) to the first byte of the\n     *                      payload.\n     * @param packetLenBytes Optional variable to store the length of the Opus packet (in bytes).\n     * @returns Number of Opus frames.\n     */\n    opusPacketParseImpl(data, lenBytes, selfDelimited, tocByte, frameOffsets, frameSizes, payloadOffset, packetLenBytes) {\n        if (!frameSizes || lenBytes < 0)\n            return this.OPUS_BAD_ARG;\n        if (lenBytes === 0)\n            return this.OPUS_INVALID_PACKET;\n        // The number of Opus frames in the packet.\n        let numFrames;\n        // Intermediate storage for the number of bytes parsed to determine the size of a frame.\n        let numBytesParsed;\n        // The number of the padding bytes (excluding the padding count bytes) in the packet.\n        let paddingBytes = 0;\n        // Indicates whether CBR (constant bitrate) framing is used.\n        let cbr = false;\n        // The TOC (table of contents) byte (https://www.rfc-editor.org/rfc/rfc6716#section-3.1).\n        const toc = data.getUint8(0);\n        // Store the TOC byte.\n        if (tocByte)\n            tocByte[0] = toc;\n        // The remaining number of bytes to parse from the packet. Note that the TOC byte has already been parsed, hence the\n        // minus 1.\n        let remainingBytes = lenBytes - 1;\n        // This keeps track of where we are in the packet. This starts at 1 since the TOC byte has already been read.\n        let byteOffset = 1;

17\n        // The size of the last Opus frame in bytes.\n        let lastSizeBytes = remainingBytes;\n        // Read the `c` bits (i.e. code bits) from the TOC byte.\n        switch (toc & 0x3) {\n            // A code 0 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.2) has one frame.\n            case 0:\n                numFrames = 1;\n                break;\n            // A code 1 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.3) has two CBR (constant bitrate) frames.\n            case 1:\n                numFrames = 2;\n                cbr = true;\n                if (!selfDelimited) {\n                    // Undelimited code 1 packets must be an even number of data bytes, otherwise the packet is invalid.\n                    if (remainingBytes & 0x1)\n                        return this.OPUS_INVALID_PACKET;\n                    // The sizes of both frames are equal (i.e. half of the number of data bytes).\n                    lastSizeBytes = remainingBytes / 2;\n                    // If `lastSizeBytes` is too large, we will catch it later.\n                    frameSizes[0][0] = lastSizeBytes;\n                }\n                break;\n            // A code 2 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.4) has two VBR (variable bitrate) frames.\n            case 2:\n                numFrames = 2;\n                numBytesParsed = this.opusParseSize(data, byteOffset, remainingBytes, frameSizes[0]);\n                remainingBytes -= numBytesParsed;\n                // The parsed size of the first frame cannot be larger than the number of remaining bytes in the packet.\n                if (frameSizes[0][0] < 0 || frameSizes[0][0] > remainingBytes) {\n                    return this.OPUS_INVALID_PACKET;\n                }\n                byteOffset += numBytesParsed;\n                // The size of the second frame is the remaining number of bytes after the first frame.\n                lastSizeBytes = remainingBytes - frameSizes[0][0];\n                break;\n            // A code 3 packet (https://www.rfc-editor.org/rfc/rfc6716#section-3.2.5) has multiple CBR/VBR frames (from 0 to\n            // 120 ms).\n            default:\n                // Code 3 packets must have at least 2 bytes (i.e. at least 1 byte after the TOC byte).\n                if (remainingBytes < 1)\n                    return this.OPUS_INVALID_PACKET;\n                // Frame count byte format:\n                //  0\n                //  0 1 2 3 4 5 6 7\n                // +-+-+-+-+-+-+-+-+\n                // |v|p|     M     |\n                // +-+-+-+-+-+-+-+-+\n                //\n                // Read the frame count byte, which immediately follows the TOC byte.\n                const frameCountByte = data.getUint8(byteOffset++);\n                --remainingBytes;\n                // Read the 'M' bits of the frame count byte, which encode the number of frames.\n                numFrames = frameCountByte & 0x3f;\n                // The number of frames in a code 3 packet must not be 0.\n                if (numFrames <= 0)\n                    return this.OPUS_INVALID_PACKET;\n                const samplesPerFrame = this.opusPacketGetSamplesPerFrame(data, 48000);\n                // A single frame can have at most 2880 samples, which happens in the case where 60ms of 48kHz audio is encoded\n                // per frame. A code 3 packet cannot contain more than 120ms of audio, so the total number of samples cannot\n                // exceed 2880 * 2 = 5760.\n                if (samplesPerFrame * numFrames > 5760)\n                    return this.OPUS_INVALID_PACKET;\n                // Parse padding bytes if the 'p' bit is 1.\n                if (frameCountByte & 0x40) {\n                    let paddingCountByte;\n                    let numPaddingBytes;\n                    // Remove padding bytes (including padding count bytes) from the remaining byte count.\n                    do {\n                        // Sanity check that there are enough bytes to parse and remove the padding.\n                        if (remainingBytes <= 0)\n                            return this.OPUS_INVALID_PACKET;\n                        // Get the next padding count byte.\n                        paddingCountByte = data.getUint8(byteOffset++);\n                        --remainingBytes;\n                        // If the padding count byte has a value in the range 0...254, then the total size of the padding is the\n                        // value in the padding count byte.\n                        //\n                        // If the padding count byte has value 255, then the total size of the padding is 254 plus the value in the\n                        // next padding count byte. Therefore, keep reading padding count bytes while the value is 255.\n                        numPaddingBytes = paddingCountByte === 25

175 ? 254 : paddingCountByte;\n                        remainingBytes -= numPaddingBytes;\n                        paddingBytes += numPaddingBytes;\n                    } while (paddingCountByte === 255);\n                }\n                // Sanity check that the remaining number of bytes is not negative after removing the padding.\n                if (remainingBytes < 0)\n                    return this.OPUS_INVALID_PACKET;\n                // Read the 'v' bit (i.e. VBR bit).\n                cbr = !(frameCountByte & 0x80);\n                // VBR case\n                if (!cbr) {\n                    lastSizeBytes = remainingBytes;\n                    // Let M be the number of frames. There will be M - 1 frame length indicators (which can be 1 or 2 bytes)\n                    // corresponding to the lengths of frames 0 to M - 2. The size of the last frame (i.e. frame M - 1) is the\n                    // number of data bytes after the end of frame M - 2 and before the start of the padding bytes.\n                    for (let i = 0; i < numFrames - 1; ++i) {\n                        numBytesParsed = this.opusParseSize(data, byteOffset, remainingBytes, frameSizes[i]);\n                        remainingBytes -= numBytesParsed;\n                        // The remaining number of data bytes must be enough to contain each frame.\n                        if (frameSizes[i][0] < 0 || frameSizes[i][0] > remainingBytes) {\n                            return this.OPUS_INVALID_PACKET;\n                        }\n                        byteOffset += numBytesParsed;\n                        lastSizeBytes -= numBytesParsed + frameSizes[i][0];\n                    }\n                    // Sanity check that the size of the last frame is not negative.\n                    if (lastSizeBytes < 0)\n                        return this.OPUS_INVALID_PACKET;\n                }\n                // CBR case\n                else if (!selfDelimited) {\n                    // The size of each frame is the number of data bytes divided by the number of frames.\n                    lastSizeBytes = Math.trunc(remainingBytes / numFrames);\n                    // The number of data bytes must be a non-negative integer multiple of the number of frames.\n                    if (lastSizeBytes * numFrames !== remainingBytes)\n                        return this.OPUS_INVALID_PACKET;\n                    // All frames have equal size in the undelimited CBR case.\n                    for (let i = 0; i < numFrames - 1; ++i) {\n                        frameSizes[i][0] = lastSizeBytes;\n                    }\n                }\n        }\n        // Self-delimited framing uses an extra 1 or 2 bytes, immediately preceding the data bytes, to indicate either the\n        // size of the last frame (for code 0, code 2, and VBR code 3 packets) or the size of all the frames (for code 1 and\n        // CBR code 3 packets). See https://www.rfc-editor.org/rfc/rfc6716#appendix-B.\n        if (selfDelimited) {\n            // The extra frame size byte(s) will always indicate the size of the last frame.\n            numBytesParsed = this.opusParseSize(data, byteOffset, remainingBytes, frameSizes[numFrames - 1]);\n            remainingBytes -= numBytesParsed;\n            // There must be enough data bytes for the last frame.\n            if (frameSizes[numFrames - 1][0] < 0 || frameSizes[numFrames - 1][0] > remainingBytes) {\n                return this.OPUS_INVALID_PACKET;\n            }\n            byteOffset += numBytesParsed;\n            // For CBR packets, the sizes of all the frames are equal.\n            if (cbr) {\n                // There must be enough data bytes for all the frames.\n                if (frameSizes[numFrames - 1][0] * numFrames > remainingBytes) {\n                    return this.OPUS_INVALID_PACKET;\n                }\n                for (let i = 0; i < numFrames - 1; ++i) {\n                    frameSizes[i][0] = frameSizes[numFrames - 1][0];\n                }\n            }\n            // At this point, `lastSizeBytes` contains the size of the last frame plus the size of the extra frame size\n            // byte(s), so sanity check that `lastSizeBytes` is the upper bound for the size of the last frame.\n            else if (!(numBytesParsed + frameSizes[numFrames - 1][0] <= lastSizeBytes)) {\n                return this.OPUS_INVALID_PACKET;\n            }\n        }\n        // Undelimited case\n        else {\n            // Because the size of the last packet is not encoded explicitly, it is possible that the size of the last packet\n            // (or of all the packets, for the CBR case) is larger than maximum frame size.\n            if (lastSizeBytes > this.OPUS_MAX_FRAME_SIZE_BYTES)\n                return this.OPUS_INVALID_PACKET;\n            frameSizes[numFrames - 1][0] = lastSizeBytes;\n        }\n        // Store the offset to the start of the payload.\n        if (payloadOffset)\n            payloadOffset[0] = byteOffset;\n        // Store the offsets to the start of each frame.\n        for (let i = 0; i < numFrames; ++i) {\n            if (frameOffsets)\n                frameOffsets[i][0] = byteOffset;\n            byteOffset += frameSizes[i][0];\n        }\n        // Store the length of the Opus packet.\n        if (packetLenBytes)\n            packetLenBytes[0] = byteOffset + paddingBytes;\n        return numFrames;\n    }

17\n    /**\n     * Parse a single undelimited Opus packet into one or more Opus frames.\n     *\n     * @param packet Opus packet to be parsed.\n     * @param lenBytes Size of the packet (in bytes).\n     * @param tocByte Optional variable to store the TOC (table of contents) byte.\n     * @param frameOffsets Optional variable to store the offsets (from the start of the packet) to the first bytes of\n     *                     each Opus frame.\n     * @param frameSizes Required variable to store the sizes (in bytes) of each Opus frame.\n     * @param payloadOffset Optional variable to store the offset (from the start of the packet) to the first byte of the\n     *                      payload.\n     * @returns Number of Opus frames.\n     */\n    opusPacketParse(packet, lenBytes, tocByte, frameOffsets, frameSizes, payloadOffset) {\n        return this.opusPacketParseImpl(packet, lenBytes, \n        /* selfDelimited */ false, tocByte, frameOffsets, frameSizes, payloadOffset, null);\n    }\n    /**\n     * This function returns the SILK VAD (voice activity detection) information encoded in the Opus packet. For CELT-only\n     * packets that do not have VAD information, it returns -1.\n     *\n     * @param packet Opus packet.\n     * @param lenBytes Size of the packet (in bytes).\n     * @returns  0: no frame had the VAD flag set.\n     *           1: at least one frame had the VAD flag set.\n     *          -1: VAD status could not be determined.\n     */\n    opusPacketHasVoiceActivity(packet, lenBytes) {\n        if (!packet || lenBytes <= 0)\n            return 0;\n        // In CELT-only mode, we can not determine whether there is VAD.\n        if (this.opusPacketIsCeltOnly(packet))\n            return -1;\n        const numSilkFrames = this.opusNumSilkFrames(packet);\n        // It is not possible for `opusNumSilkFrames()` to return 0, so we ignore the next sanity check for test coverage.\n        /* istanbul ignore next */\n        if (numSilkFrames === 0)\n            return -1;\n        const opusFrameOffsets = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        const opusFrameSizes = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        for (let i = 0; i < this.OPUS_MAX_OPUS_FRAMES; ++i) {\n            opusFrameOffsets[i] = [undefined];\n            opusFrameSizes[i] = [undefined];\n        }\n        // Parse packet to get the Opus frames.\n        const numOpusFrames = this.opusPacketParse(packet, lenBytes, null, opusFrameOffsets, opusFrameSizes, null);\n        // VAD status cannot be determined for invalid packets.\n        if (numOpusFrames < 0)\n            return -1;\n        // Iterate over all Opus frames, which may contain multiple SILK frames, to determine the VAD status.\n        for (let i = 0; i < numOpusFrames; ++i) {\n            if (opusFrameSizes[i][0] < 1)\n                continue;\n            // LP layer header bits format (https://www.rfc-editor.org/rfc/rfc6716#section-4.2.3):\n            //\n            // Mono case:\n            // +-----------------+----------+\n            // | 1 to 3 VAD bits | LBRR bit |\n            // +-----------------+----------+\n            //\n            // Stereo case:\n            // +---------------------+--------------+----------------------+---------------+\n            // | 1 to 3 mid VAD bits | mid LBRR bit | 1 to 3 side VAD bits | side LBRR bit |\n            // +---------------------+--------------+----------------------+---------------+\n            // The upper 1 to 3 bits (dependent on the number of SILK frames) of the LP layer contain VAD bits. If any of\n            // these VAD bits are 1, then voice activity is present.\n            if (packet.getUint8(opusFrameOffsets[i][0]) >> (8 - numSilkFrames))\n                return 1;\n            // In the stereo case, there is a second set of 1 to 3 VAD bits, so also check these VAD bits.\n            const channels = this.opusPacketGetNumChannels(packet);\n            if (channels === 2 &&\n                (packet.getUint8(opusFrameOffsets[i][0]) << (numSilkFrames + 1)) >> (8 - numSilkFrames)) {\n                return 1;\n            }\n        }\n        // No voice activity was detected.\n        return 0;\n    }\n    /**\n     * This method is based on Definition of the Opus Audio Codec\n     * (https://tools.ietf.org/html/rfc6716). Basically, this method is based on\n     * parsing the LP layer of an Opus packet, particularly the LBRR flag.\n     *\n     * @param packet Opus packet.\n     * @param lenBytes Size of the packet (in bytes).\n     * @returns  true: packet has fec encoding about previous packet.\n     *           false: no fec encoding present.\n     */\n    opusPacketHasFec(packet, lenBytes) {\n        if (!packet || lenBytes <= 0)\n            return false;\n        // In CELT-only mode, packets should not have FEC.\n        if (this.opusPacketIsCeltOnly(packet))\n            return false;\n        const opusFrameOffsets = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        const opusFrameSizes = new Array(this.OPUS_MAX_OPUS_FRAMES);\n        for (let i = 0; i < this.OPUS_MAX_OPUS_FRAMES; ++i) {\n            opusFrameOffsets[i] = [undefined];\n            opusFrameSizes[i] = [undefined];\n        }\n        // Parse packet to get the Opus frames.\n        const numOpusFrames = this.opusPacketParse(packet, lenBytes, null, opusFrameOffsets, opusFrameSizes, null);\n        if (numOpusFrames < 0)\n            return false;\n        /* istanbul ignore next */\n        if (opusFrameSizes[0][0] <= 1)\n            return false;\n        const numSilkFrames = this.opusNumSilkFrames(packet);\n        /* istanbul ignore next */\n        if (numSilkFrames === 0)\n            return false;\n        const channels = this.opusPacketGetNumChannels(packet);\n        /* istanbul ignore next */\n        if (channels !== 1 && channels !== 2)\n            return false;\n        // A frame starts with the LP layer. The LP layer begins with two to eight\n        // header bits.These consist of one VAD bit per SILK frame (up to 3),\n        // followed by a single flag indicating the presence of LBRR frames.\n        // For a stereo packet, these first flags correspond to the mid channel, and\n        // a second set of flags is included for the side channel. Because these are\

17n        // the first symbols decoded by the range coder and because they are coded\n        // as binary values with uniform probability, they can be extracted directly\n        // from the most significant bits of the first byte of compressed data.\n        for (let i = 0; i < channels; i++) {\n            if (packet.getUint8(opusFrameOffsets[0][0]) & (0x80 >> ((i + 1) * (numSilkFrames + 1) - 1)))\n                return true;\n        }\n        return false;\n    }\n}\nRedundantAudioEncoder.shouldLog = true;\nRedundantAudioEncoder.shouldReportStats = true;\nRedundantAudioEncoder.initializeWorker();\n"},16564:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(71474));class s extends r.default{constructor(){super(0)}static nextTick(e){setTimeout(e,0)}}t.default=s},68414:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.intervalMs=e}start(e){this.stop(),this.timer=setInterval(e,this.intervalMs)}stop(){void 0!==this.timer&&(clearInterval(this.timer),this.timer=void 0)}running(){return void 0!==this.timer}}t.default=i},71474:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.timeoutMs=e,this.timer=null}start(e){this.stop(),this.timer=setTimeout(()=>{clearTimeout(this.timer),e()},this.timeoutMs)}stop(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)}}t.default=i},85207:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(5774)),s=n(i(7458)),a=n(i(92220));class o{constructor(e){this.sdp=e}clone(){return new o(this.sdp)}static isRTPCandidate(e){let t=/candidate[:](\S+) (\d+)/g.exec(e);return null!==t&&"1"===t[2]}static linesToSDP(e){return new o(e.join(o.CRLF))}static candidateTypeFromString(e){switch(e){case r.default.Host:return r.default.Host;case r.default.ServerReflexive:return r.default.ServerReflexive;case r.default.PeerReflexive:return r.default.PeerReflexive;case r.default.Relay:return r.default.Relay}return null}static candidateType(e){let t=/a[=]candidate[:].* typ ([a-z]+) /g.exec(e);return null===t?null:o.candidateTypeFromString(t[1])}static mediaType(e){let t=/m=(audio|video)/g.exec(e);if(null!==t)return t[1]}static mid(e){if(e.includes("a=mid:"))return e.replace(/^(a=mid:)/,"")}static direction(e){let t=/a=(sendrecv|sendonly|recvonly|inactive)/g.exec(e);if(null!==t)return t[1]}static splitLines(e){return e.trim().split("\n").map(e=>e.trim())}static splitSections(e){return e.split("\nm=").map((e,t)=>(t>0?"m="+e:e).trim()+o.CRLF)}static findActiveCameraSection(e){let t=0,i=!1;for(let n of e){if(/^m=video/.test(n)&&(n.indexOf("sendrecv")>-1||-1===n.indexOf("sendonly")&&-1===n.indexOf("recvonly")&&-1===n.indexOf("inactive"))){i=!0;break}t++}return!1===i&&(t=-1),t}static extractSSRCsFromFIDGroupLine(e){return/^a=ssrc-group:FID\s(.+)/.exec(e)[1]}static matchPrefix(e,t){return o.splitLines(e).filter(e=>0===e.indexOf(t))}lines(){return this.sdp.split(o.CRLF)}hasVideo(){return null!==/^m=video/gm.exec(this.sdp)}hasCandidates(){return null!==/a[=]candidate[:]/g.exec(this.sdp)}hasCandidatesForAllMLines(){return!(this.sdp.indexOf("c=IN IP4 0.0.0.0")>-1)}withoutCandidateType(e){return o.linesToSDP(this.lines().filter(t=>o.candidateType(t)!==e))}withoutServerReflexiveCandidates(){return this.withoutCandidateType(r.default.ServerReflexive)}withAudioMaxAverageBitrate(e){if(!e)return this.clone();e=Math.trunc(Math.min(Math.max(e,o.rfc7587LowestBitrate),o.rfc7587HighestBitrate));let t=this.lines(),i=o.findOpusFmtpAttributes(t),n=o.updateOpusFmtpAttributes(t,i,[`maxaveragebitrate=${e}`]);return o.linesToSDP(n)}withStereoAudio(){let e=this.lines(),t=o.findOpusFmtpAttributes(e),i=o.updateOpusFmtpAttributes(e,t,["stereo=1","sprop-stereo=1"]);return o.linesToSDP(i)}static findOpusFmtpAttributes(e){let t=/^a=rtpmap:\s*(\d+)\s+opus\/48000/,i=!1,n=[];for(let r of e)if(r.startsWith("m=audio")&&(n.push(null),i=!0),r.startsWith("m=video")&&(i=!1),i){let e=t.exec(r);null!==e&&(n[n.length-1]=`a=fmtp:${e[1]} `)}return n}static updateOpusFmtpAttributes(e,t,i){let n=[],r=0,s=null;for(let a of e)if(a.startsWith("m=audio")&&(s=t[r],r++),a.startsWith("m=video")&&(s=null),s&&a.startsWith(s)){let e=a.slice(s.length).split(";"),t=[];for(let n of e)0>i.findIndex(e=>

17e.startsWith(n.split("=")[0]))&&t.push(n);for(let e of i)t.push(e);n.push(s+t.join(";"))}else n.push(a);return n}withUnifiedPlanFormat(){let e=this.sdp;return e.includes("mozilla")?this.clone():new o(e=e.replace("o=-","o=mozilla-chrome"))}getUniqueRtpHeaderExtensionId(e){let t=[];for(let i of e)if(/^a=extmap:/.test(i.trim())){let e=+i.split("a=extmap:")[1].split(" ")[0];t.includes(e)||t.push(e)}t.sort((e,t)=>e-t);let i=0;for(let e of t){if(e-i>1)return i+1;i=e}return 14===i?-1:i+1}withVideoLayersAllocationRtpHeaderExtension(e){return this.withRtpHeaderExtension(e,o.videoLayersAllocationRtpHeaderExtensionUrl)}withDependencyDescriptorRtpHeaderExtension(e){return this.withRtpHeaderExtension(e,o.dependencyDescriptorRtpHeaderExtensionUrl)}withoutDependencyDescriptorRtpHeaderExtension(){let e=o.splitLines(this.sdp).filter(e=>!e.includes(o.dependencyDescriptorRtpHeaderExtensionUrl));return new o(e.join(o.CRLF)+o.CRLF)}withRtpHeaderExtension(e,t){let i=e?e.getRtpHeaderExtensionId(t):-1,n=-1===i?this.getUniqueRtpHeaderExtensionId(o.splitLines(this.sdp)):i,r=o.splitSections(this.sdp),s=[];for(let e of r){if(/^m=video/.test(e)&&-1===o.getRtpHeaderExtensionIdInSection(e,t)){let i=o.splitLines(e),r=[];if(-1===n||this.hasRtpHeaderExtensionId(n)){s.push(e);continue}for(let e of i)if(r.push(e),/^a=sendrecv/.test(e.trim())){let e="a=extmap:"+n+" "+t;r.push(e)}e=r.join(o.CRLF)+o.CRLF}else if(-1!==i&&/^m=video/.test(e)&&o.getRtpHeaderExtensionIdInSection(e,t)!==i){let n=o.splitLines(e),r=[];for(let e of n){if(/^a=extmap:/.test(e.trim())&&e.split("a=extmap:")[1].split(" ")[1]===t){if(!this.hasRtpHeaderExtensionId(i)){let e="a=extmap:"+i+" "+t;r.push(e)}continue}r.push(e)}e=r.join(o.CRLF)+o.CRLF}s.push(e)}return new o(s.join(""))}ssrcForVideoSendingSection(){let e=this.sdp,t=o.splitSections(e);if(t.length<2)return"";let i=o.findActiveCameraSection(t);if(-1===i)return"";let n=o.matchPrefix(t[i],"a=ssrc-group:FID ");if(n.length<1)return"";let[r]=o.extractSSRCsFromFIDGroupLine(n[0]).split(" ").map(e=>parseInt(e,10));return r.toString()}videoSendSectionHasDifferentSSRC(e){let t=this.ssrcForVideoSendingSection(),i=e.ssrcForVideoSendingSection();return""!==t&&""!==i&&parseInt(t,10)!==parseInt(i,10)}removeH264SupportFromSendSection(){let e=this.sdp,t=o.splitSections(e),i=o.findActiveCameraSection(t);if(-1===i)return new o(this.sdp);let n=t[i],r=o.splitLines(n),s=[],a=new Map;r.forEach(e=>{if(/^a=rtpmap:/.test(e)){let t=/^a=rtpmap:([0-9]+)\s/.exec(e);t&&e.toLowerCase().includes("h264")&&s.push(parseInt(t[1],10))}if(/^a=fmtp:/.test(e)){let t=/^a=fmtp:([0-9]+) apt=([0-9]+)/.exec(e);if(t&&3===t.length){let e=parseInt(t[1],10),i=parseInt(t[2],10);a.has(i)?a.get(i).push(e):a.set(i,[e])}}});let d=new Set;for(let e of s){d.add(e);let t=a.get(e);if(t)for(let e of t)d.add(e)}if(s.length>0){let e=r[0].split(" ");r[0]=e.filter(e=>!d.has(parseInt(e))).join(" ")}let l=r.filter(e=>{if(!e.includes("rtpmap")&&!e.includes("rtcp-fb")&&!e.includes("fmtp"))return!0;for(let t of d)if(e.includes(t.toString()))return!1;return!0});return t[i]=l.join(o.CRLF)+o.CRLF,new o(t.join(""))}mediaSections(){let e=o.splitSections(this.sdp);if(e.length<2)return[];let t=[];for(let i=1;i<e.length;i++){let n=new s.default;for(let t of o.splitLines(e[i])){let e=o.mediaType(t);if(void 0!==e){n.mediaType=e;continue}let i=o.direction(t);if(void 0!==i){n.direction=i;continue}let r=o.mid(t);if(void 0!==r){n.mid=r;continue}}t.push(n)}return t}static getRtpHeaderExtensionIdInSection(e,t){for(let i of o.splitLines(e))if(/^a=extmap:/.test(i.trim())){let e=i.split("a=extmap:")[1].split(" "),n=+e[0];if(e[1]===t)return n}return -1}getRtpHeaderExtensionId(e){for(let t of o.splitSections(this.sdp))if(/^m=video/.test(t)){let i=o.getRtpHeaderExtensionIdInSection(t,e);if(-1!==i)return i}return -1}hasRtpHeaderExtensionId(e){for(let t of o.splitLines(this.sdp))if(/^a=extmap:/.test(t.trim())&&+t.split("a=extmap:")[1].split(" ")[0]===e)return!0;return!1}withVideoSendCodecPreferences(e){let t=this.sdp,i=o.splitSections(t),n=o.findActiveCameraSection(i);return -1===n?new o(this.sdp):(i[n]=this.sectionWithCodecPreferences(i[n],e),new o(i.join("")))}sectionWithCodecPreferences(e,t){let i=new Map,n=o.splitLines(e);

17n.forEach(e=>{if(!e.startsWith("a=rtpmap:"))return;let r=/^a=rtpmap:(\d+)\s/.exec(e);if(!r)return;let s=r[1];for(let r of t){if(!e.includes(`${r.codecName}/${r.codecCapability.clockRate}`))continue;let t=!1;if(void 0!==r.codecCapability.sdpFmtpLine){let e=!1;for(let i of n){if(r.fmtpLineMatches(i,parseInt(s))){t=!0;break}e||(e=i.startsWith(`a=fmtp:${s} profile-id=`))}r.equals(a.default.vp9Profile0())&&!e&&(t=!0)}else t=!0;if(t){i.set(s,r);break}}});let r=new Set(i.keys()),s=n[0].split(" ").filter(e=>!r.has(e)),d=Array.from(i.entries()).sort(([e,i],[n,r])=>t.indexOf(i)-t.indexOf(r)).map(([e,t])=>e);return s.splice(3,0,...d),n[0]=s.join(" "),n.join(o.CRLF)+o.CRLF}highestPriorityVideoSendCodec(){let e=this.prioritizedSendVideoCodecCapabilities();return e.length>0?e[0]:void 0}prioritizedSendVideoCodecCapabilities(){let e=this.sdp,t=o.splitSections(e),i=o.findActiveCameraSection(t);if(-1===i)return[];let n=o.splitLines(t[i]),r=n[0].split(" ");return r.length<4?[]:r.slice(3).map(e=>this.videoCodecCapabilityForPayloadType(n,e)).filter(e=>void 0!==e&&["VP8","H264","VP9","AV1"].includes(e.codecName))}videoCodecCapabilityForPayloadType(e,t){let i,n,r;for(let s of e){let e=/^a=rtpmap:([0-9]+)\s/.exec(s);if(e&&e[1]===t){let e=s.split(" ")[1].split("/");e.length>=2&&(i=e[0],n=e[1])}s.startsWith(`a=fmtp:${t} `)&&(r=s.split(" ")[1])}if(void 0!==i)return new a.default(i,{clockRate:parseInt(n),mimeType:`video/${i}`,sdpFmtpLine:r})}getAudioPayloadTypes(){let e=new Map,t=this.sdp,i=o.splitSections(t);return e.set("opus",o.findAudioPayloadType("opus",i)),e.set("red",o.findAudioPayloadType("red",i)),e}static findAudioPayloadType(e,t){let i=RegExp(`a=rtpmap:\\s*(\\d+)\\s+${e}\\/48000`);for(let e of t)if(/^m=audio/.test(e)){let t=i.exec(e);if(null!==t)return Number(t[1])}return 0}withStartingVideoSendBitrate(e){let t=o.splitSections(this.sdp);for(let i=0;i<t.length;i++){let n;if(!/^m=video/.test(t[i]))continue;let r=o.splitLines(t[i]),s=[],a=!1;for(let e of r){/^a=fmtp:\d*/.test(e)&&!/apt=/.test(e)&&(a=!0);let t=e.match(/^a=rtpmap:(\d+)/);t&&(n=t[1])}for(let t of r)if(!/^a=fmtp:\d*/.test(t)||/apt=/.test(t)||/x-google-start-bitrate=/.test(t))s.push(t);else{let i=t+`;x-google-start-bitrate=${e}`;s.push(i)}if(!a&&n){let t=s.findIndex(e=>e.match(/^a=rtpmap:\d+/));-1!==t&&s.splice(t+1,0,`a=fmtp:${n} x-google-start-bitrate=${e}`)}t[i]=s.join(o.CRLF)+o.CRLF}return new o(t.join(""))}}o.CRLF="\r\n",o.rfc7587LowestBitrate=6e3,o.rfc7587HighestBitrate=51e4,o.dependencyDescriptorRtpHeaderExtensionUrl="https://aomediacodec.github.io/av1-rtp-spec/#dependency-descriptor-rtp-header-extension",o.videoLayersAllocationRtpHeaderExtensionUrl="http://www.webrtc.org/experiments/rtp-hdrext/video-layers-allocation00",t.default=o},5774:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.SDPCandidateType=void 0,(n=i||(t.SDPCandidateType=i={})).Host="host",n.ServerReflexive="srflx",n.PeerReflexive="prflx",n.Relay="relay",t.default=i},7458:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{}t.default=i},92220:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});let n=i(8283);class r{constructor(e,t){this.codecName=e,this.codecCapability=t}equals(e){return void 0!==e&&this.codecName===e.codecName&&this.codecCapability.mimeType===e.codecCapability.mimeType&&this.codecCapability.clockRate===e.codecCapability.clockRate&&(this.codecCapability.sdpFmtpLine?this.cleanupFmtpLine(this.codecCapability.sdpFmtpLine,this.codecName):"")===(e.codecCapability.sdpFmtpLine?this.cleanupFmtpLine(e.codecCapability.sdpFmtpLine,e.codecName):"")}fmtpLineMatches(e,t){let i=this.codecCapability.sdpFmtpLine;if(!i)return!1;let n=`a=fmtp:${t} `;if(!e.startsWith(n))return!1;let r=e.substring(n.length);return this.cleanupFmtpLine(r,this.codecName)===this.cleanupFmtpLine(i,this.codecName)}cleanupFmtpLine(e,t){let i=e.replace(/;x-google-start-bitrate=\d+/g,"");return"H264"===t&&(i=i.replace(/profile-level-id=([0-9a-f]{4})[0-9a-f]{2}/i,"profile-level-id=$1")),i}static vp8(){return new r("VP8",{clockRate:9e4,mimeType:"video/VP8"})}static h264BaselineProfile(){return new r("H264",{clockRate:9e4,mimeType:"video/H264",sdpFmtpLine:"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f"})}static h264ConstrainedBaselineProfile(){return new r("H264",{clockRate:9e4,mimeType:"video/H264",sdpFmtpLine:"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f"})}static h264MainProfile(){return new r("H264",{clockRate:9e4,mimeType:"video/H264",sdpFmtpLine:"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d001f"})}static h264HighProfile(){return new r("H264",{clockRate:9e4,mimeType:"video/H264",sdpFmtpLine:"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=64001f"})}static h264ConstrainedHighProfile(){return new r("H264",{clockRate:9e4,mimeType:"video/H264",sdpFmtpLine:"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f"})}static h264(){return r.h264ConstrainedBaselineProfile()}static vp9Profile0(){return new r("VP9",{clockRate:9e4,mimeType:"video/VP9",sdpFmtpLine:"profile-id=0"})}static vp9(){return r.vp9Profile0()}static av1Main(){return new r("AV1",{clockRate:9e4,mimeType:"video/AV1"})}static av1(){return r.av1Main()}static fromSignaled(e){switch(e){case n.SdkVideoCodecCapability.VP8:return r.vp8();case n.SdkVideoCodecCapability.H264_BASELINE_PROFILE:return r.h264BaselineProfile();case n.SdkVideoCodecCapability.H264_CONSTRAINED_BASELINE_PROFILE:return r.h264ConstrainedBaselineProfile();case n.SdkVideoCodecCapability.H264_MAIN_PROFILE:return r.h264MainProfile();case n.SdkVideoCodecCapability.H264_HIGH_PROFILE:return r.h264HighProfile();case n.SdkVideoCodecCapability.H264_CONSTRAINED_HIGH_PROFILE:return r.h264ConstrainedHighProfile();case n.SdkVideoCodecCapability.VP9_PROFILE_0:return r.vp9Profile0();case n.SdkVideoCodecCapability.AV1_MAIN_PROFILE:return r.av1Main();default:return}}}t.default=r},17349:function(e,t,i){"use strict";

17Object.defineProperty(t,"__esModule",{value:!0});let n=i(64534);class r{constructor(e){this.logger=e}compress(e,t){if(t.length>0){let e=Math.min(t.length,r.MAX_DICTIONARY_SIZE);t=t.slice(0,e)}let i={memLevel:r.Z_MEM_LEVEL,dictionary:t};return n.deflateRaw(e,i)}decompress(e,t){if(t.length>0){let e=Math.min(t.length,r.MAX_DICTIONARY_SIZE);t=t.slice(0,e)}let i={to:"string",dictionary:t,chunkSize:4096},s="";try{s=n.inflateRaw(e,i)}catch(e){this.logger.error(`failed to decompress the string with error: [${e}]`)}return s}}r.Z_MEM_LEVEL=9,r.MAX_DICTIONARY_SIZE=31744,t.default=r},13382:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});let n=i(1982),r=i(94433),s=i(4754),a=i(49160);class o{constructor(e){this.logger=e,this.currentState=s.SessionStateControllerState.NotConnected,this.deferredAction=null,this.deferredWork=null}perform(e,t){let i=this.currentState;if(i===s.SessionStateControllerState.NotConnected&&e===n.SessionStateControllerAction.Connect)this.transition(s.SessionStateControllerState.Connecting,e);else if(i===s.SessionStateControllerState.Connecting&&e===n.SessionStateControllerAction.Fail)this.transition(s.SessionStateControllerState.Disconnecting,e);else if(i===s.SessionStateControllerState.Connecting&&e===n.SessionStateControllerAction.FinishConnecting)this.transition(s.SessionStateControllerState.Connected,e);else if(i===s.SessionStateControllerState.Connected&&e===n.SessionStateControllerAction.Disconnect)this.transition(s.SessionStateControllerState.Disconnecting,e);else if(i===s.SessionStateControllerState.Connected&&e===n.SessionStateControllerAction.Reconnect)this.transition(s.SessionStateControllerState.Connecting,e);else if(i===s.SessionStateControllerState.Connected&&e===n.SessionStateControllerAction.Fail)this.transition(s.SessionStateControllerState.Disconnecting,e);else if(i===s.SessionStateControllerState.Connected&&e===n.SessionStateControllerAction.Update)this.transition(s.SessionStateControllerState.Updating,e);else if(i===s.SessionStateControllerState.Updating&&e===n.SessionStateControllerAction.Fail)this.transition(s.SessionStateControllerState.Disconnecting,e);else if(i===s.SessionStateControllerState.Updating&&e===n.SessionStateControllerAction.FinishUpdating)this.transition(s.SessionStateControllerState.Connected,e);else if(i===s.SessionStateControllerState.Disconnecting&&e===n.SessionStateControllerAction.FinishDisconnecting)this.transition(s.SessionStateControllerState.NotConnected,e);else if(this.canDefer(e))return this.logger.info(`deferring transition from ${s.SessionStateControllerState[this.currentState]} with ${n.SessionStateControllerAction[e]}`),this.deferAction(e,t),a.SessionStateControllerTransitionResult.DeferredTransition;else return this.logger.warn(`no transition found from ${s.SessionStateControllerState[this.currentState]} with ${n.SessionStateControllerAction[e]}`),a.SessionStateControllerTransitionResult.NoTransitionAvailable;try{t()}catch(t){return this.logger.error(`error during state ${s.SessionStateControllerState[this.currentState]} with action ${n.SessionStateControllerAction[e]}: ${t}`),this.logger.info(`rolling back transition to ${s.SessionStateControllerState[i]}`),this.currentState=i,a.SessionStateControllerTransitionResult.TransitionFailed}return this.performDeferredAction(),a.SessionStateControllerTransitionResult.Transitioned}state(){return this.currentState}transition(e,t){this.logger.info(`transitioning from ${s.SessionStateControllerState[this.currentState]} to ${s.SessionStateControllerState[e]} with ${n.SessionStateControllerAction[t]}`),this.currentState=e}deferPriority(e){switch(e){case n.SessionStateControllerAction.Disconnect:return r.SessionStateControllerDeferPriority.VeryHigh;case n.SessionStateControllerAction.Fail:return r.SessionStateControllerDeferPriority.High;case n.SessionStateControllerAction.Reconnect:return r.SessionStateControllerDeferPriority.Medium;case n.SessionStateControllerAction.Update:return r.SessionStateControllerDeferPriority.Low;default:return r.SessionStateControllerDeferPriority.DoNotDefer}}deferAction(e,t){null!==this.deferredAction&&this.deferPriority(this.deferredAction)>this.deferPriority(e)||(this.deferredAction=e,this.deferredWork=t)}canDefer(e){return this.deferPriority(e)!==r.SessionStateControllerDeferPriority.DoNotDefer&&(this.currentState===s.SessionStateControllerState.Connecting||this.currentState===s.SessionStateControllerState.Updating)}performDeferredAction(){if(!this.deferredAction)return;let e=this.deferredAction,t=this.deferredWork;this.deferredAction=null,this.deferredWork=null,this.logger.info(`performing deferred action ${n.SessionStateControllerAction[e]}`),this.perform(e,t)!==a.SessionStateControllerTransitionResult.Transitioned&&this.logger.info(`unable to perform deferred action ${n.SessionStateControllerAction[e]} in state ${s.SessionStateControllerState[this.currentState]}`)}}t.default=o},1982:function(e,t){"use strict";var i,n;

17Object.defineProperty(t,"__esModule",{value:!0}),t.SessionStateControllerAction=void 0,(n=i||(t.SessionStateControllerAction=i={}))[n.Connect=0]="Connect",n[n.FinishConnecting=1]="FinishConnecting",n[n.Update=2]="Update",n[n.FinishUpdating=3]="FinishUpdating",n[n.Reconnect=4]="Reconnect",n[n.Disconnect=5]="Disconnect",n[n.Fail=6]="Fail",n[n.FinishDisconnecting=7]="FinishDisconnecting",t.default=i},94433:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.SessionStateControllerDeferPriority=void 0,(n=i||(t.SessionStateControllerDeferPriority=i={}))[n.DoNotDefer=0]="DoNotDefer",n[n.Low=1]="Low",n[n.Medium=2]="Medium",n[n.High=3]="High",n[n.VeryHigh=4]="VeryHigh",t.default=i},4754:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.SessionStateControllerState=void 0,(n=i||(t.SessionStateControllerState=i={}))[n.NotConnected=0]="NotConnected",n[n.Connecting=1]="Connecting",n[n.Connected=2]="Connected",n[n.Updating=3]="Updating",n[n.Disconnecting=4]="Disconnecting",t.default=i},49160:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.SessionStateControllerTransitionResult=void 0,(n=i||(t.SessionStateControllerTransitionResult=i={}))[n.Transitioned=0]="Transitioned",n[n.NoTransitionAvailable=1]="NoTransitionAvailable",n[n.DeferredTransition=2]="DeferredTransition",n[n.TransitionFailed=3]="TransitionFailed",t.default=i},51774:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340)),s=n(i(71474)),a=i(8283),o=i(76477),d=n(i(61492)),l=n(i(52612)),c=n(i(84924)),u=i(16802),h=n(i(37308)),f=n(i(66485));class m{constructor(e,t,i){this.webSocket=e,this.logger=t,this.meetingSessionTimingManager=i,this.closeEventHandler=e=>{this.resetConnection(),this.sendEvent(new h.default(this,f.default.WebSocketClosed,null,e.code,e.reason,e.wasClean)),this.serviceConnectionRequestQueue()},this.observerQueue=new Set,this.connectionRequestQueue=[],this.resetConnection(),this.logger.debug(()=>"signaling client init"),this.audioSessionId=this.generateNewAudioSessionId()}registerObserver(e){this.logger.debug(()=>"registering signaling client observer"),this.observerQueue.add(e)}removeObserver(e){this.logger.debug(()=>"removing signaling client observer"),this.observerQueue.delete(e)}openConnection(e){this.logger.info("adding connection request to queue: "+e.url()),this.connectionRequestQueue.push(e),this.closeConnection()}pingPong(e){this.logger.debug(()=>"sending ping");let t=a.SdkSignalFrame.create();return t.type=a.SdkSignalFrame.Type.PING_PONG,t.pingPong=e,this.sendMessage(t),t.timestampMs}join(e){var t,i,n,s;this.logger.info("sending join");let l=a.SdkJoinFrame.create();l.protocolVersion=2,l.flags=a.SdkJoinFlags.HAS_STREAM_UPDATE;let c=e.browserBehavior||new r.default,h={platformName:c.name(),platformVersion:c.version(),clientSource:d.default.sdkName,chimeSdkVersion:d.default.sdkVersion,clientUtcOffset:(0,o.getFormattedOffset)(new Date().getTimezoneOffset())},f=null===(t=c.deviceName)||void 0===t?void 0:t.call(c),p=null===(i=c.osName)||void 0===i?void 0:i.call(c),g=null===(n=c.osVersion)||void 0===n?void 0:n.call(c);if(f&&(h.deviceModel=f),p&&(h.osName=p),g&&(h.osVersion=g),e.applicationMetadata){let{appName:t,appVersion:i}=e.applicationMetadata;h.appName=t,h.appVersion=i}l.clientDetails=a.SdkClientDetails.create(h),l.audioSessionId=this.audioSessionId,l.wantsCompressedSdp=m.CLIENT_SUPPORTS_COMPRESSION,l.disablePeriodicKeyframeRequestOnContentSender=e.disablePeriodicKeyframeRequestOnContentSender,l.serverSideNetworkAdaption=(0,u.convertServerSideNetworkAdaptionEnumToSignaled)(e.serverSideNetworkAdaption),l.supportedServerSideNetworkAdaptions=e.supportedServerSideNetworkAdaptions.map(u.convertServerSideNetworkAdaptionEnumToSignaled),l.wantsAllTemporalLayersInIndex=e.wantsAllTemporalLayersInIndex;let v=a.SdkSignalFrame.create();v.type=a.SdkSignalFrame.Type.JOIN,v.join=l,this.sendMessage(v),null===(s=this.meetingSessionTimingManager)||void 0===s||s.onJoinSent()}subscribe(e){var t;let i=a.SdkSubscribeFrame.create();if(i.sendStreams=[],i.sdpOffer=e.sdpOffer,e.connectionTypeHasVideo&&(i.receiveStreamIds=e.receiveStreamIds),e.audioHost&&(i.audioCheckin=e.audioCheckin,i.audioHost=e.audioHost,i.audioMuted=e.audioMuted,!e.audioCheckin)){let t=a.SdkStreamDescriptor.create();t.mediaType=a.SdkStreamMediaType.AUDIO,t.trackLabel="AmazonChimeExpressAudio",t.attendeeId=e.attendeeId,t.streamId=1,t.groupId=1,t.framerate=15,t.maxBitrateKbps=600,t.avgBitrateBps=4e5,i.sendStreams.push(t)}if(i.compressedSdpOffer=e.compressedSdpOffer,i.duplex=a.SdkStreamServiceType.RX,e.localVideoEnabled){i.duplex=a.SdkStreamServiceType.DUPLEX;for(let t=0;t<e.videoStreamDescriptions.length;t++){let n=e.videoStreamDescriptions[t].clone();n.attendeeId=e.attendeeId,i.sendStreams.push(n.toStreamDescriptor())}}e.videoSubscriptionConfiguration.length>0&&(i.videoSubscriptionConfiguration=e.videoSubscriptionConfiguration.map(this.convertSignalingClientVideoSubscriptionConfiguration));let n=a.SdkSignalFrame.create();n.type=a.SdkSignalFrame.Type.SUBSCRIBE,n.sub=i,this.sendMessage(n),null===(t=this.meetingSessionTimingManager)||void 0===t||t.onSubscribeSent()}remoteVideoUpdate(e,t){let i=a.SdkRemoteVideoUpdateFrame.create();i.addedOrUpdatedVideoSubscriptions=e.map(this.convertSignalingClientVideoSubscriptionConfiguration),i.removedVideoSubscriptionMids=t;let n=a.SdkSignalFrame.create();n.type=a.SdkSignalFrame.Type.REMOTE_VIDEO_UPDATE,n.remoteVideoUpdate=i,this.sendMessage(n)}convertSignalingClientVideoSubscriptionConfiguration(e){let t=new a.SdkVideoSubscriptionConfiguration;switch(t.mid=e.mid,t.attendeeId=e.attendeeId,t.streamId=e.streamId,t.groupId=e.groupId,t.priority=e.priority,t.targetBitrateKbps=e.targetBitrateKbps,e.qualityAdaptationPreference){case l.default.Balanced:t.qualityAdaptationPreference=a.SdkVideoQualityAdaptationPreference.BALANCED;break;case l.default.MaintainFramerate:t.qualityAdaptationPreference=a.SdkVideoQualityAdaptationPreference.MAINTAIN_FRAMERATE;break;case l.default.MaintainResolution:t.qualityAdaptationPreference=a.SdkVideoQualityAdaptationPreference.MAINTAIN_RESOLUTION;break;default:t.qualityAdaptationPreference=a.SdkVideoQualityAdaptationPreference.BALANCED}return t}leave(){let e=a.SdkSignalFrame.create();e.type=a.SdkSignalFrame.Type.LEAVE,e.leave=a.SdkLeaveFrame.create(),this.sendMessage(e),this.logger.debug(()=>"sent leave")}sendClientMetrics(e){let t=a.SdkSignalFrame.create();t.type=a.SdkSignalFrame.Type.CLIENT_METRIC,t.clientMetric=e,this.sendMessage(t)}sendDataMessage(e){let t=a.SdkSignalFrame.create();t.type=a.SdkSignalFrame.Type.DATA_MESSAGE,t.dataMessage=e,this.sendMessage(t)}closeConnection(){var e,t;if(this.webSocket.readyState()!==c.default.None&&this.webSocket.readyState()!==c.default.Closed){this.isClosing=!0,this.sendEvent(new h.default(this,f.default.WebSocketClosing,null));let i=new s.default(m.CLOSE_EVENT_TIMEOUT_MS),n=e=>{var t,r;null===(r=(t=this.webSocket).removeEventListener)||void 0===r||r.call(t,"close",n),i.stop(),this.closeEventHandler(e)};null===(t=(e=this.webSocket).removeEventListener)||void 0===t||t.call(e,"close",this.closeEventHandler),this.webSocket.addEventListener("close",n),i.start(()=>{n(new CloseEvent("close",{wasClean:!1,code:1005,reason:"",bubbles:!1}))}),this.webSocket.close()}else this.logger.info("no existing signaling client connection needs closing"),this.serviceConnectionRequestQueue()}ready(){return this.webSocket.readyState()===c.default.Open&&!this.isClosing&&this.wasOpened}mute(e){let t=a.SdkSignalFrame.create();t.type=a.SdkSignalFrame.Type.AUDIO_CONTROL;let i=a.SdkAudioControlFrame.create();i.muted=e,t.audioControl=i,this.sendMessage(t)}pause(e){let t=a.SdkSignalFrame.create();t.type=a.SdkSignalFrame.Type.PAUSE,t.pause=a.SdkPauseResumeFrame.create(),t.pause.streamIds=e,this.sendMessage(t)}resume(e){let t=a.SdkSignalFrame.create();t.type=a.SdkSignalFrame.Type.RESUME,t.pause=a.SdkPauseResumeFrame.create(),t.pause.streamIds=e,this.sendMessage(t)}resetConnection(){this.webSocket.destroy(),this.wasOpened=!1}sendMessage(e){e.timestampMs=Date.now(),this.logger.debug(()=>`sending: ${JSON.stringify(e)}`);let t=this.prependWithFrameTypeRTC(a.SdkSignalFrame.encode(e).finish());

17if(this.ready()){if(!this.webSocket.send(t)){this.sendEvent(new h.default(this,f.default.WebSocketSendMessageFailure,null));return}this.sendEvent(new h.default(this,f.default.WebSocketSentMessage,null))}else this.sendEvent(new h.default(this,f.default.WebSocketSkippedMessage,null))}receiveMessage(e){let t;try{t=a.SdkSignalFrame.decode(e)}catch(t){this.logger.info(`failed to decode: ${e}`),this.sendEvent(new h.default(this,f.default.ProtocolDecodeFailure,null));return}this.logger.debug(()=>`received: ${JSON.stringify(t)}`),this.webSocket.readyState()===c.default.Open?this.sendEvent(new h.default(this,f.default.ReceivedSignalFrame,t)):this.logger.info(`skipping notification of message since WebSocket is not open: ${JSON.stringify(t)}`)}stripFrameTypeRTC(e){let t=e[0];return t!==m.FRAME_TYPE_RTC&&2!==t&&this.logger.warn(`expected FrameTypeRTC for message but got ${t}`),e.slice(1)}prependWithFrameTypeRTC(e){let t=new Uint8Array(e.length+1);return t[0]=m.FRAME_TYPE_RTC,t.set(e,1),t}serviceConnectionRequestQueue(){if(0===this.connectionRequestQueue.length){this.logger.info("no connection requests to service");return}let e=this.connectionRequestQueue.shift();this.logger.info(`opening connection to ${e.url()}`),this.isClosing=!1,this.webSocket.create(e.url(),e.protocols()),this.setUpEventListeners(),this.sendEvent(new h.default(this,f.default.WebSocketConnecting,null))}sendEvent(e){switch(e.type){case f.default.WebSocketMessage:case f.default.ReceivedSignalFrame:case f.default.WebSocketSentMessage:this.logger.debug(()=>`notifying event: ${f.default[e.type]}`);break;case f.default.WebSocketSkippedMessage:this.logger.debug(()=>`notifying event: ${f.default[e.type]}, websocket state=${c.default[this.webSocket.readyState()]}`);break;case f.default.WebSocketClosed:this.logger.info(`Notifying event: ${f.default[e.type]}, 
18              code: ${e.closeCode} reason: "${e.closeReason}" wasClean ${e.wasClean}`);break;default:this.logger.info(`notifying event: ${f.default[e.type]}`)}for(let t of this.observerQueue)t.handleSignalingClientEvent(e)}setUpEventListeners(){this.webSocket.addEventListener("open",()=>{var e;this.wasOpened=!0,this.sendEvent(new h.default(this,f.default.WebSocketOpen,null)),null===(e=this.meetingSessionTimingManager)||void 0===e||e.onTransportConnected()}),this.webSocket.addEventListener("message",e=>{this.sendEvent(new h.default(this,f.default.WebSocketMessage,null)),this.receiveMessage(this.stripFrameTypeRTC(new Uint8Array(e.data)))}),this.webSocket.addEventListener("close",this.closeEventHandler),this.webSocket.addEventListener("error",()=>{if(this.isClosing&&!this.wasOpened){this.logger.info("Signaling WebSocket ignoring error closing while connecting");return}this.wasOpened?(this.logger.error("Signaling WebSocket received error while connected"),this.sendEvent(new h.default(this,f.default.WebSocketError,null))):(this.logger.error("Signaling WebSocket received error while connecting"),this.sendEvent(new h.default(this,f.default.WebSocketFailed,null)))})}generateNewAudioSessionId(){let e=new Uint32Array(1);return(0,o.getRandomValues)(e),e[0]}sendMeetingSessionTiming(e){let t=a.SdkMeetingSessionTimingFrame.create();t.signaling=e.signaling.map(e=>a.SdkMeetingSessionSignalingTiming.create({startMs:e.startMs,joinSentMs:e.joinSentMs,joinAckReceivedMs:e.j

18oinAckReceivedMs,transportConnectedMs:e.transportConnectedMs,createOfferMs:e.createOfferMs,setLocalDescriptionMs:e.setLocalDescriptionMs,setRemoteDescriptionMs:e.setRemoteDescriptionMs,iceGatheringStartMs:e.iceGatheringStartMs,iceGatheringCompleteMs:e.iceGatheringCompleteMs,iceConnectedMs:e.iceConnectedMs,subscribeSentMs:e.subscribeSentMs,subscribeAckMs:e.subscribeAckMs,timedOut:e.timedOut})),t.remoteAudio=e.remoteAudio.map(e=>a.SdkMeetingSessionRemoteAudioTiming.create({addedMs:e.addedMs,firstPacketReceivedMs:e.firstPacketReceivedMs,firstFrameRenderedMs:e.firstFrameRenderedMs,timedOut:e.timedOut,removed:e.removed})),t.localAudio=e.localAudio.map(e=>a.SdkMeetingSessionLocalAudioTiming.create({addedMs:e.addedMs,firstFrameCapturedMs:e.firstFrameCapturedMs,firstPacketSentMs:e.firstPacketSentMs,timedOut:e.timedOut,removed:e.removed})),t.localVideo=e.localVideo.map(e=>a.SdkMeetingSessionLocalVideoTiming.create({addedMs:e.addedMs,firstFrameCapturedMs:e.firstFrameCapturedMs,firstFrameSentMs:e.firstFrameSentMs,timedOut:e.timedOut,removed:e.removed})),t.remoteVideos=e.remoteVideos.map(e=>a.SdkMeetingSessionRemoteVideoTiming.create({groupId:e.groupId,addedMs:e.addedMs,firstPacketReceivedMs:e.firstPacketReceivedMs,firstFrameRenderedMs:e.firstFrameRenderedMs,timedOut:e.timedOut,removed:e.removed}));let i=a.SdkSignalFrame.create();i.type=a.SdkSignalFrame.Type.MEETING_SESSION_TIMING,i.meetingSessionTiming=t,this.sendMessage(i)}promoteToPrimaryMeeting(e){let t=a.SdkMeetingSessionCredentials.create();t.attendeeId=e.attendeeId,t.externalUserId=e.externalUserId,t.joinToken=e.joinToken;let i=a.SdkPrimaryMeetingJoinFrame.create();i.credentials=t;let n=a.SdkSignalFrame.create();n.type=a.SdkSignalFrame.Type.PRIMARY_MEETING_JOIN,n.primaryMeetingJoin=i,this.sendMessage(n)}demoteFromPrimaryMeeting(){let e=a.SdkPrimaryMeetingLeaveFrame.create(),t=a.SdkSignalFrame.create();t.type=a.SdkSignalFrame.Type.PRIMARY_MEETING_LEAVE,t.primaryMeetingLeave=e,this.sendMessage(t)}}m.FRAME_TYPE_RTC=5,m.CLOSE_EVENT_TIMEOUT_MS=2e3,m.CLIENT_SUPPORTS_COMPRESSION=!0,t.default=m},16802:function(e,t,i){"use strict";var n,r;Object.defineProperty(t,"__esModule",{value:!0}),t.ServerSideNetworkAdaption=void 0,t.serverSideNetworkAdaptionIsNoneOrDefault=function(e){return e===n.None||e===n.Default},t.convertServerSideNetworkAdaptionEnumFromSignaled=function(e){switch(e){case s.SdkServerSideNetworkAdaption.DEFAULT:return n.Default;case s.SdkServerSideNetworkAdaption.NONE:return n.None;case s.SdkServerSideNetworkAdaption.BANDWIDTH_PROBING:return n.BandwidthProbing;case s.SdkServerSideNetworkAdaption.BANDWIDTH_PROBING_AND_VIDEO_QUALITY_ADAPTION:return n.BandwidthProbingAndRemoteVideoQualityAdaption}},t.convertServerSideNetworkAdaptionEnumToSignaled=function(e){switch(e){case n.Default:return s.SdkServerSideNetworkAdaption.DEFAULT;case n.None:return s.SdkServerSideNetworkAdaption.NONE;case n.BandwidthProbing:return s.SdkServerSideNetworkAdaption.BANDWIDTH_PROBING;case n.BandwidthProbingAndRemoteVideoQualityAdaption:return s.SdkServerSideNetworkAdaption.BANDWIDTH_PROBING_AND_VIDEO_QUALITY_ADAPTION}};let s=i(8283);(r=n||(t.ServerSideNetworkAdaption=n={}))[r.Default=0]="Default",r[r.None=1]="None",r[r.BandwidthProbing=2]="BandwidthProbing",r[r.BandwidthProbingAndRemoteVideoQualityAdaption=3]="BandwidthProbingAndRemoteVideoQualityAdaption",t.default=n},35848:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t){this.signalingURL=e,this.joinToken=t}url(){return this.signalingURL+"?X-Chime-Control-Protocol-Version=3&X-Amzn-Chime-Send-Close-On-Error=1"}protocols(){return["_aws_wt_session",this.joinToken]}}t.default=i},37308:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(66485));class s{constructor(e,t,i,n,r,s){this.client=e,this.type=t,this.message=i,this.closeCode=n,this.closeReason=r,this.wasClean=s,this.timestampMs=Date.now()}isConnectionTerminated(){switch(this.type){case r.default.WebSocketFailed:case r.default.WebSocketError:case r.default.WebSocketClosing:case r.default.WebSocketClosed:return!0;default:return!1}}}t.default=s},66485:function(e,t){"use strict";var i,n;

18Object.defineProperty(t,"__esModule",{value:!0}),t.SignalingClientEventType=void 0,(n=i||(t.SignalingClientEventType=i={}))[n.WebSocketConnecting=0]="WebSocketConnecting",n[n.WebSocketOpen=1]="WebSocketOpen",n[n.WebSocketError=2]="WebSocketError",n[n.WebSocketClosing=3]="WebSocketClosing",n[n.WebSocketClosed=4]="WebSocketClosed",n[n.WebSocketFailed=5]="WebSocketFailed",n[n.WebSocketMessage=6]="WebSocketMessage",n[n.WebSocketSendMessageFailure=7]="WebSocketSendMessageFailure",n[n.WebSocketSentMessage=8]="WebSocketSentMessage",n[n.ProtocolDecodeFailure=9]="ProtocolDecodeFailure",n[n.ReceivedSignalFrame=10]="ReceivedSignalFrame",n[n.WebSocketSkippedMessage=11]="WebSocketSkippedMessage",t.default=i},16387:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(16802));class s{constructor(e){this.applicationMetadata=e,this.serverSideNetworkAdaption=r.default.Default,this.supportedServerSideNetworkAdaptions=[],this.wantsAllTemporalLayersInIndex=!1,this.disablePeriodicKeyframeRequestOnContentSender=!1}}t.default=s},37928:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i,n,r,s,a,o,d,l){this.attendeeId=e,this.sdpOffer=t,this.audioHost=i,this.audioMuted=n,this.audioCheckin=r,this.receiveStreamIds=s,this.localVideoEnabled=a,this.videoStreamDescriptions=o,this.connectionTypeHasVideo=d,this.compressedSdpOffer=l,this.videoSubscriptionConfiguration=[]}}t.default=i},83065:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{equals(e){return void 0!==e&&this.mid===e.mid&&this.attendeeId===e.attendeeId&&this.streamId===e.streamId&&this.groupId===e.groupId&&this.priority===e.priority&&this.targetBitrateKbps===e.targetBitrateKbps&&this.qualityAdaptationPreference===e.qualityAdaptationPreference}}t.default=i},71148:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(64265),s=i(65254),a=n(i(61492));class o{constructor(e){this.chimeClient=e}makeTwoDigits(e){return e>9?e.toString():"0"+e.toString()}hmac(e,t){let i=new r.Sha256(t);return i.update(e),i.digest()}getDateTimeString(){let e=new Date;return e.getUTCFullYear()+this.makeTwoDigits(e.getUTCMonth()+1)+this.makeTwoDigits(e.getUTCDate())+"T"+this.makeTwoDigits(e.getUTCHours())+this.makeTwoDigits(e.getUTCMinutes())+this.makeTwoDigits(e.getUTCSeconds())+"Z"}getDateString(e){return e.substring(0,e.indexOf("T"))}async getSignatureKey(e,t,i,n){let r=await this.hmac(t,"AWS4"+e),s=await this.hmac(i,r),a=await this.hmac(n,s);return await this.hmac("aws4_request",a)}async signURL(e,t,i,n,r,o,d){let l;let c=this.getDateTimeString(),u=this.getDateString(c),h="";h=this.chimeClient.config.region instanceof Function?await this.chimeClient.config.region():this.chimeClient.config.region;let f="host:"+n.toLowerCase()+"\n",m=u+"/"+h+"/"+i+"/aws4_request";l=this.chimeClient.config.credentials instanceof Function?await this.chimeClient.config.credentials():this.chimeClient.config.credentials;let p=new Map;p.set("X-Amz-Algorithm",["AWS4-HMAC-SHA256"]),p.set("X-Amz-Credential",[encodeURIComponent(l.accessKeyId+"/"+m)]),p.set("X-Amz-Date",[c]),p.set("X-Amz-Expires",["10"]),p.set("X-Amz-SignedHeaders",["host"]),l.sessionToken&&p.set("X-Amz-Security-Token",[encodeURIComponent(l.sessionToken)]),p.set(a.default.X_AMZN_VERSION,[encodeURIComponent(a.default.sdkVersion)]),p.set(a.default.X_AMZN_USER_AGENT,[encodeURIComponent(a.default.sdkUserAgentLowResolution)]),null==d||d.forEach((e,t)=>{let i=encodeURIComponent(t);e.sort().forEach(e=>{p.has(i)||p.set(i,[]),p.get(i).push(encodeURIComponent(e))})});let g="";(p=new Map([...p.entries()].sort())).forEach((e,t)=>{e.forEach(e=>{g.length&&(g+="&"),g+=t+"="+e})});let v=e+"\n"+r+"\n"+g+"\n"+f+"\nhost\n"+(0,s.toHex)(await this.hmac(o)),b="AWS4-HMAC-SHA256\n"+c+"\n"+u+"/"+h+"/"+i+"/aws4_request\n"+(0,s.toHex)(await this.hmac(v)),S=await this.get

18SignatureKey(l.secretAccessKey,u,h,i),y=(0,s.toHex)(await this.hmac(b,S));return t+"://"+n+r+"?"+g+"&X-Amz-Signature="+y}}t.default=o},92964:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.SimulcastLayers=void 0,(n=i||(t.SimulcastLayers=i={}))[n.Low=0]="Low",n[n.LowAndMedium=1]="LowAndMedium",n[n.LowAndHigh=2]="LowAndHigh",n[n.Medium=3]="Medium",n[n.MediumAndHigh=4]="MediumAndHigh",n[n.High=5]="High",t.default=i},51417:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.AudioLogEvent=void 0,(n=i||(t.AudioLogEvent=i={}))[n.DeviceChanged=0]="DeviceChanged",n[n.MutedLocal=1]="MutedLocal",n[n.UnmutedLocal=2]="UnmutedLocal",n[n.Connected=3]="Connected",n[n.ConnectFailed=4]="ConnectFailed",n[n.RedmicStartLoss=5]="RedmicStartLoss",n[n.RedmicEndLoss=6]="RedmicEndLoss",t.default=i},96846:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t=i.DEFAULT_SAMPLE_INTERVAL_MS){this.logger=e,this.sampleIntervalMs=t,this.observer=null,this.latestState=null}async start(){if(this.observer)return;let e=this.getPressureObserverCtor();if(!e){this.logger.debug(()=>"PressureObserver is not available; CPU pressure metric disabled");return}try{this.observer=new e(e=>{for(let t of e)"cpu"===t.source&&(this.latestState=t.state)}),await this.observer.observe("cpu",{sampleInterval:this.sampleIntervalMs})}catch(e){this.logger.warn(`Failed to observe CPU pressure: ${e&&e.message}`),this.observer=null}}stop(){if(this.observer){try{this.observer.disconnect()}catch(e){this.logger.warn(`PressureObserver disconnect failed: ${e&&e.message}`)}this.observer=null,this.latestState=null}}currentState(){return this.latestState}getPressureObserverCtor(){if("undefined"==typeof globalThis)return null;let e=globalThis.PressureObserver;return"function"==typeof e?e:null}}i.DEFAULT_SAMPLE_INTERVAL_MS=1e3,t.default=i},14162:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(14388)),s=n(i(87911)),a=n(i(40372)),o=n(i(55728)),d=n(i(11566)),l=n(i(29641)),c=n(i(29951)),u=n(i(68414)),h=i(8283),f=i(24670),m=n(i(51417)),p=n(i(96846)),g=n(i(77769)),v=i(98846);class b{constructor(e,t,i=b.INTERVAL_MS){this.audioVideoController=e,this.logger=t,this.interval=i,this.intervalScheduler=null,this.redRecoveryMetricReport=new o.default,this.lastRedRecoveryMetricReportConsumedTimestampMs=0,this.videoCodecDegradationHighEncodeCpuCount=0,this.videoCodecDegradationEncodeFailureCount=0,this.videoCodecDegradationConcurrentSendersCount=0,this.videoPipelineFrameRate=0,this.videoProcessors=[],this.backgroundSegmentationMetrics=[],this.backgroundSegmentationProcessorMetric=null,this.resolutionMap=new Map,this.remoteRenderFpsMap=new Map,this.encodedTransformMediaMetrics=null,this.encodedTransformMediaMetricsTimestamp=0,this.computePressureMonitor=null,this.metricsAddTime=(e,t,i)=>{},this.metricsLogEvent=(e,t)=>{}}toAttribute(e){return this.toSuffix(e).substring(1)}toSuffix(e){return e.toLowerCase()===e?`_${e}`:e.toUpperCase()===e?`_${e.toLowerCase()}`:e.replace(/([A-Z][a-z]+)/g,function(e){return`_${e}`}).replace(/([A-Z][A-Z]+)/g,function(e){return`_${e}`}).toLowerCase()}logLatency(e,t,i){let n=this.toSuffix(e);this.logEventTime("meeting"+n,t,i)}logStateTimeout(e,t){let i=this.toSuffix(e);this.logEvent("meeting_session_state_timeout",{...t,state:`state${i}`})}logAudioEvent(e,t){let i="audio"+this.toSuffix(m.default[e]);this.logEvent(i,t)}logVideoEvent(e,t){let i="video"+this.toSuffix(g.default[e]);this.logEvent(i,t)}logEventTime(e,t,i={}){let n={...i,call_id:this.audioVideoController.configuration.meetingId,client_type:b.CLIENT_TYPE,metric_type:"latency"};this.logger.debug(()=>`[StatsCollector] ${e}: ${JSON.stringify(n)}`),this.metricsAddTime(e,t,n)}logMeetingSessionStatus(e){let t=`${e.statusCode()}`;this.logEvent(t);let i={status:t,status_code:`${e.statusCode()}`};this.logEvent("meeting_session_status",i),e.isTerminal()&&this.logEvent("meeting_session_stopped",i),e.isAudioConnectionFailure()&&this.logEvent("meeting_session_audio_failed",i),e.isFailure()&&this.logEvent("meeting_session_failed",i)}logLifecycleEvent(e,t){let i={lifecycle_event:`lifecycle${this.toSuffix(l.default[e])}`,lifecycle_event_code:`${e}`,lifecycle_event_condition:`condition${this.toSuffix(c.default[t])}`,lifecycle_event_condition_code:`${t}`};this.logEvent("meeting_session_lifecycle",i)}logEvent(e,t={}){let i={...t,call_id:this.audioVideoController.configuration.meetingId,client_type:b.CLIENT_TYPE};this.logger.debug(()=>`[StatsCollector] ${e}: ${JSON.stringify(i)}`),this.metricsLogEvent(e,i)}start(e,t){return!this.intervalScheduler&&(this.logger.info("Starting StatsCollector"),this.signalingClient=e,this.videoStreamIndex=t,this.clientMetricReport=new r.default(this.logger,this.videoStreamIndex,this.audioVideoController.configuration.credentials.attendeeId),this.intervalScheduler

18=new u.default(this.interval),this.intervalScheduler.start(async()=>{await this.getStatsWrapper()}),this.computePressureMonitor=new p.default(this.logger,this.interval),this.computePressureMonitor.start(),!0)}stop(){this.logger.info("Stopping StatsCollector"),this.intervalScheduler&&this.intervalScheduler.stop(),this.intervalScheduler=null,this.computePressureMonitor&&(this.computePressureMonitor.stop(),this.computePressureMonitor=null)}videoTileResolutionDidChange(e,t,i){this.resolutionMap.set(e,{width:t,height:i})}videoTileUnbound(e,t){this.resolutionMap.delete(e),void 0!==t&&this.remoteRenderFpsMap.delete(t)}videoTileRenderMetricsDidReceive(e,t){0!==e&&this.remoteRenderFpsMap.set(e,t.fps)}updateMetricValues(e,t){let i;let n=t?this.clientMetricReport.streamMetricReports[Number(e.ssrc)]:this.clientMetricReport.globalMetricReport;if(t){let t=n.mediaType,r=n.direction;i=this.clientMetricReport.getMetricMap(t,r),t===a.default.VIDEO&&r===s.default.DOWNSTREAM&&this.addRenderResolutionToVideoDownstreamMetrics(n,e.ssrc)}else i=this.clientMetricReport.getMetricMap();for(let t in e)t in i&&("number"==typeof e[t]?(n.previousMetrics[t]=n.currentMetrics[t],n.currentMetrics[t]=e[t]):"string"==typeof e[t]?n.currentStringMetrics[t]=e[t]:"object"==typeof e[t]?(n.previousObjectMetrics[t]=void 0===n.currentObjectMetrics[t]?e[t]:n.currentObjectMetrics[t],n.currentObjectMetrics[t]=e[t]):this.logger.error(`Unknown metric value type ${typeof e[t]} for metric ${t}`))}processRawMetricReports(e){this.clientMetricReport.currentSsrcs={};let t=Date.now();for(let t of e){if(this.isVideoSourceMetricReport(t))continue;let e=this.isStreamRawMetricReport(t);if(e){let e=this.clientMetricReport.streamMetricReports[Number(t.ssrc)];if(e)e.mediaType===a.default.VIDEO&&e.direction===s.default.UPSTREAM?e.streamId=this.videoStreamIndex.sendVideoStreamIdFromRid(t.rid):e.streamId=this.videoStreamIndex.streamIdForSSRC(Number(t.ssrc));else{let e=new d.default;e.mediaType=this.getMediaType(t),e.direction=this.getDirectionType(t),e.mediaType===a.default.VIDEO&&e.direction===s.default.UPSTREAM?e.streamId=this.videoStreamIndex.sendVideoStreamIdFromRid(t.rid):this.videoStreamIndex.allStreams().empty()||(e.streamId=this.videoStreamIndex.streamIdForSSRC(Number(t.ssrc)),void 0!==this.videoStreamIndex.groupIdForSSRC&&(e.groupId=this.videoStreamIndex.groupIdForSSRC(Number(t.ssrc)))),this.clientMetricReport.streamMetricReports[Number(t.ssrc)]=e}this.clientMetricReport.currentSsrcs[Number(t.ssrc)]=1}this.updateMetricValues(t,e)}this.clientMetricReport.removeDestroyedSsrcs(),this.clientMetricReport.previousTimestampMs=this.clientMetricReport.currentTimestampMs,this.clientMetricReport.currentTimestampMs=t,this.clientMetricReport.print()}addStreamMetricDimensionFrames(e,t){let i=this.clientMetricReport.getStreamDimensionMap();for(let n in t.currentStringMetrics)if(n in i){let r=h.SdkStreamDimension.create();r.type=i[n];let s=h.SdkDimensionValue.create();s.stringValue=t.currentStringMetrics[n],r.value=s,e.dimensions.push(r)}}addMetricFrame(e,t,i,n){let r=i.type,s=i.transform,a=i.source,o=t.streamMetricFrames.length,d=t.streamMetricFrames[o-1];if(r){let i=h.SdkMetric.create();i.type=r,i.value=s(a||e,n),n?d.metrics.push(i):t.globalMetrics.push(i)}}addGlobalMetricsToProtobuf(e){let t=this.clientMetricReport.getMetricMap();for(let i in this.clientMetricReport.globalMetricReport.currentMetrics)this.addMetricFrame(i,e,t[i]);this.maybeAddCpuPressureMetric(e)}maybeAddCpuPressureMetric(e){let t=this.computePressureMonitor.currentState();if(null===t)return;let i=h.SdkMetric.create();i.type=h.SdkMetric.Type.CPU_PRESSURE_STATE,i.value=b.CPU_PRESSURE_STATE_VALUE[t],e.globalMetrics.push(i)}addStreamMetricsToProtobuf(e){for(let t in this.clientMetricReport.streamMetricReports){let i=this.clientMetricReport.streamMetricReports[t],n=h.SdkStreamMetricFrame.create();n.streamId=i.streamId,n.mediaType=i.mediaType===a.default.AUDIO?h.SdkStreamMediaType.AUDIO:h.SdkStreamMediaType.VIDEO,n.metrics=[],this.addStreamMetricDimensionFrames(n,i),e.streamMetricFrames.push(n);let r=this.clientMetricReport.getMetricMap(i.mediaType,i.direction);for(let n in r)this.hasMetricDependenciesInReport(n,i)&&this.addMetricFrame(n,e,r[n],Number(t))}}hasMetricDependenciesInReport(e,t){return"decoderLoss"===e&&void 0!==t.currentMetrics.concealedSamples&&void 0!==t.currentMetrics.totalSamplesReceived||"jitterBufferMs"===e&&void 0!==t.currentMetrics.jitterBufferDelay&&void 0!==t.currentMetrics.jitterBufferEmittedCount||e in t.currentMetrics||e in t.currentStringMetrics||e in t.currentObjectMetrics}makeClientMetricProtobuf(){let e=h.SdkClientMetricFrame.create();return e.globalMetrics=[],e.streamMetricFrames=[],this.addGlobalMetricsToProtobuf(e),this.addStreamMetricsToProtobuf(e),e}addBgSegProcessorMetrics(e,t){if(!this.backgroundSegmentationProcessorMetric)return;let i=this.backgroundSegmentationProcessorMetric,n={kind:"video",type:"outbound-rtp",ssrc:t,timestamp:Date.now(),videoBgSegSegmentationDurationMs:i.segmentationDurationMs,videoBgSegEffectRenderDurationMs:i.effectRenderDurationMs,videoBgSegFramesPerSegmentation:i.framesPerSegmentation,videoBgSegCpuUsagePercent:i.estimatedCPUUsagePercentage,videoBgSegErrorCount:i.errorCount,videoBgSegFramesSubmitted:i.framesSubmitted,videoBgSegFramesSegmented:i.framesSegmented};void 0!==i.initializationDurationMs&&(n.videoBgSegInitializationDurationMs=i.initializationDurationMs),void 0!==i.initializationFailure&&(n.videoBgSegInitializationFailure=i.initializationFailure),void 0!==i.modelType&&(n.videoBgSegModelType=i.modelType),void 0!==i.delegateType&&(n.videoBgSegDelegateType=i.delegateType),e.push(n),this.backgroundSegmentationProcessorMetric=null}sendClientMetricProtobuf(e){this.signalingClient.sendClientMetrics(e)}

18isStreamRawMetricReport(e){return["inbound-rtp","inbound-rtp-red","inbound-rtp-transform","outbound-rtp","outbound-rtp-transform","remote-inbound-rtp","remote-outbound-rtp"].includes(e.type)||this.isVideoSourceMetricReport(e)}getMediaType(e){return"audio"===e.kind?a.default.AUDIO:a.default.VIDEO}getDirectionType(e){let{type:t}=e;return"inbound-rtp"===t||"remote-outbound-rtp"===t||"inbound-rtp-red"===t||"inbound-rtp-transform"===t?s.default.DOWNSTREAM:s.default.UPSTREAM}isValidStandardRawMetric(e){return"inbound-rtp"===e.type||"inbound-rtp-red"===e.type||"outbound-rtp"===e.type||"remote-inbound-rtp"===e.type||"remote-outbound-rtp"===e.type||"candidate-pair"===e.type&&"succeeded"===e.state||"media-source"===e.type}isValidSsrc(e){let t=!0;return this.isStreamRawMetricReport(e)&&this.getDirectionType(e)===s.default.DOWNSTREAM&&this.getMediaType(e)===a.default.VIDEO&&(t=this.videoStreamIndex.streamIdForSSRC(Number(e.ssrc))>0),t}isValidRawMetricReport(e){return this.isValidStandardRawMetric(e)&&this.isValidSsrc(e)}filterRawMetricReports(e){let t=[];for(let i of e)this.isValidRawMetricReport(i)&&t.push(i);return t}handleRawMetricReports(e){let t=this.filterRawMetricReports(e);this.logger.debug(()=>`Filtered raw metrics : ${JSON.stringify(t)}`);let i=[];this.maybeAddRedRecoveryMetrics(i),this.maybeAddTransformMetrics(i);let n=this.getVideoUpstreamSsrcFromRawMetricReports(t);null!==n&&(this.addVideoCodecDegradationMetrics(i,n),this.addVideoProcessorMetrics(i,n),this.addBgSegProcessorMetrics(i,n)),this.clientMetricReport.customStatsReports=i,t.push(...i),this.processRawMetricReports(t),this.updateVideoSourceMetrics(t);let r=this.makeClientMetricProtobuf();this.sendClientMetricProtobuf(r),this.audioVideoController.forEachObserver(e=>{f.Maybe.of(e.metricsDidReceive).map(t=>t.bind(e)(this.clientMetricReport.clone()))})}async getStatsWrapper(){if(!this.audioVideoController.rtcPeerConnection)return;let e=[];try{let t=await this.audioVideoController.rtcPeerConnection.getStats();this.clientMetricReport.rtcStatsReport=t,t.forEach(t=>{e.push(t)}),this.handleRawMetricReports(e)}catch(e){this.logger.error(e.message)}}overrideObservableMetric(e,t){this.clientMetricReport.overrideObservableMetric(e,t)}recoveryMetricsDidReceive(e){this.redRecoveryMetricReport=e}encodedTransformMediaMetricsDidReceive(e){this.encodedTransformMediaMetrics=e,this.encodedTransformMediaMetricsTimestamp=Date.now()}maybeAddRedRecoveryMetrics(e){this.redRecoveryMetricReport.currentTimestampMs!==this.lastRedRecoveryMetricReportConsumedTimestampMs&&(e.push({kind:"audio",type:"inbound-rtp-red",ssrc:this.redRecoveryMetricReport.ssrc,timestamp:this.redRecoveryMetricReport.currentTimestampMs,totalAudioPacketsLost:this.redRecoveryMetricReport.totalAudioPacketsLost,totalAudioPacketsExpected:this.redRecoveryMetricReport.totalAudioPacketsExpected,totalAudioPacketsRecoveredRed:this.redRecoveryMetricReport.totalAudioPacketsRecoveredRed,totalAudioPacketsRecoveredFec:this.redRecoveryMetricReport.totalAudioPacketsRecoveredFec}),this.lastRedRecoveryMetricReportConsumedTimestampMs=this.redRecoveryMetricReport.currentTimestampMs)}maybeAddTransformMetrics(e){if(!this.encodedTransformMediaMetrics)return;let t=this.encodedTransformMediaMetricsTimestamp,i=this.encodedTransformMediaMetrics;for(let{source:n,kind:r,type:s,metricKey:a}of[{source:i.audioSendMetrics,kind:"audio",type:"outbound-rtp-transform",metricKey:"audioSentTransformPps"},{source:i.audioReceiveMetrics,kind:"audio",type:"inbound-rtp-transform",metricKey:"audioReceivedTransformPps"},{source:i.videoSendMetrics,kind:"video",type:"outbound-rtp-transform",metricKey:"videoSentTransformPps"},{source:i.videoReceiveMetrics,kind:"video",type:"inbound-rtp-transform",metricKey:"videoReceivedTransformPps"}])for(let i of Object.values(n))e.push({kind:r,type:s,ssrc:i.ssrc,timestamp:t,[a]:i.packetCount})}videoCodecDegradationHighEncodeCpuDidReceive(){this.videoCodecDegradationHighEncodeCpuCount+=1}videoCodecDegradationEncodeFailureDidReceive(){this.videoCodecDegradationEncodeFailureCount+=1}videoCodecDegradationConcurrentSendersDidReceive(){this.videoCodecDegradationConcurrentSendersCount+=1}videoProcessorMetricsDidReceive(e){this.videoPipelineFrameRate=e.frameRate,this.videoProcessors=e.processors}backgroundSegmentationInitializationMetricsDidReceive(e){this.backgroundSegmentationMetrics.length>=b.MAX_BUFFERED_BG_SEG_METRICS&&this.backgroundSegmentationMetrics.shift(),this.backgroundSegmentationMetrics.push(e)}backgroundSegmentationProcessorMetricsDidReceive(e){this.backgroundSegmentationProcessorMetric=e}addVideoCodecDegradationMetrics(e,t){e.push({kind:"video",type:"outbound-rtp",ssrc:t,timestamp:Date.now(),videoCodecDegradationHighEncodeCpu:this.videoCodecDegradationHighEncodeCpuCount,videoCodecDegradationEncodeFailure:this.videoCodecDegradationEncodeFailureCount,videoCodecDegradationConcurrentSenders:this.videoCodecDegradationConcurrentSendersCount}),this.videoCodecDegradationHighEncodeCpuCount=0,this.videoCodecDegradationEncodeFailureCount=0,this.videoCodecDegradationConcurrentSendersCount=0}

18addVideoProcessorMetrics(e,t){var i;if(this.videoProcessors.length>0){for(let i of(e.push({kind:"video",type:"outbound-rtp",ssrc:t,timestamp:Date.now(),videoPipelineFrameRate:this.videoPipelineFrameRate}),this.videoProcessors))e.push({kind:"video",type:"outbound-rtp",ssrc:t,timestamp:Date.now(),videoProcessorAverageInferenceLatency:i.averageProcessLatency,videoProcessorName:i.processorName});this.videoPipelineFrameRate=0,this.videoProcessors=[]}if(this.backgroundSegmentationMetrics.length>0){for(let n of(this.logger.debug(()=>`[StatsCollector] Adding ${this.backgroundSegmentationMetrics.length} background segmentation metrics to customStatsReports`),this.backgroundSegmentationMetrics)){let r=n.initializationStatus;e.push({kind:"video",type:"outbound-rtp",ssrc:t,timestamp:Date.now(),videoBgSegAssetLoadingFailure:r===v.BackgroundSegmentationInitializationStatus.ASSET_LOADING_FAILURE?1:0,videoBgSegAssetLoadingTimeMs:null!==(i=n.assetLoadingTimeMs)&&void 0!==i?i:0,videoBgSegCompatibilityFailure:r===v.BackgroundSegmentationInitializationStatus.COMPATIBILITY_FAILURE?1:0,videoBgSegProcessorCreationFailure:r===v.BackgroundSegmentationInitializationStatus.PROCESSOR_CREATION_FAILURE?1:0})}this.backgroundSegmentationMetrics=[]}}getVideoUpstreamSsrcFromRawMetricReports(e){for(let t of e)if(this.isStreamRawMetricReport(t)&&this.getMediaType(t)===a.default.VIDEO&&this.getDirectionType(t)===s.default.UPSTREAM)return t.ssrc;return null}isVideoSourceMetricReport(e){return"media-source"===e.type&&"video"===e.kind}addRenderResolutionToVideoDownstreamMetrics(e,t){let i=this.videoStreamIndex.streamIdForSSRC(Number(t)),n=this.videoStreamIndex.attendeeIdForStreamId(i);if(void 0===i||""===n){this.logger.warn(`No attendee found for ssrc ${t}`);return}this.resolutionMap.has(n)&&(e.currentMetrics.videoRenderWidth=this.resolutionMap.get(n).width,e.currentMetrics.videoRenderHeight=this.resolutionMap.get(n).height);let r=e.groupId;void 0!==r&&this.remoteRenderFpsMap.has(r)&&(e.currentMetrics.videoRemoteRenderFps=this.remoteRenderFpsMap.get(r))}updateVideoSourceMetrics(e){for(let t of e)if(this.isVideoSourceMetricReport(t)){let e=this.clientMetricReport.getVideoUpstreamSsrcs();if(0===e.length){this.logger.warn("No video upstream ssrcs found");return}for(let i of e)this.clientMetricReport.streamMetricReports[i].currentMetrics.videoInputWidth=t.width,this.clientMetricReport.streamMetricReports[i].currentMetrics.videoInputHeight=t.height}}}b.INTERVAL_MS=1e3,b.CLIENT_TYPE="amazon-chime-sdk-js",b.MAX_BUFFERED_BG_SEG_METRICS=50,b.CPU_PRESSURE_STATE_VALUE={nominal:0,fair:1,serious:2,critical:3},t.default=b},77769:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.VideoLogEvent=void 0,(n=i||(t.VideoLogEvent=i={}))[n.InputAttached=0]="InputAttached",n[n.SendingFailed=1]="SendingFailed",n[n.SendingSuccess=2]="SendingSuccess",t.default=i},87310:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(77769)),s=n(i(99481));class a extends s.default{constructor(e){super(e.logger),this.context=e,this.taskName="AttachMediaInputTask"}async run(){let e=this.context.transceiverController;e.setPeer(this.context.peer),e.setupLocalTransceivers();let t=this.context.activeAudioInput;if(t){let i=t.getAudioTracks();this.context.logger.info("attaching audio track to peer connection"),await e.setAudioInput(i.length?i[0]:null)}else await e.setAudioInput(null),this.context.logger.info("no audio track");this.setAudioCodecPreferences();let i=this.context.activeVideoInput;if(i){let t=i.getVideoTracks(),n=t.length?t[0]:null;if(this.context.logger.info("attaching video track to peer connection"),await e.setVideoInput(n),this.context.enableSimulcast&&this.context.videoUplinkBandwidthPolicy){let t=this.context.videoUplinkBandwidthPolicy.chooseEncodingParameters();e.setEncodingParameters(t)}n&&this.context.statsCollector.logVideoEvent(r.default.InputAttached,this.context.videoDeviceInformation)}else await e.setVideoInput(null),this.context.logger.info("no video track");this.context.videoSubscriptions=e.updateVideoTransceivers(this.context.videoStreamIndex,this.context.videosToReceive),this.context.videoStreamIndex.subscribeFrameSent()}setAudioCodecPreferences(){if(!(window.RTCRtpTransceiver&&"setCodecPreferences"in window.RTCRtpTransceiver.prototype)){this.context.logger.warn("Setting codec preferences not supported");return}let e=this.context.transceiverController.localAudioTransceiver(),{codecs:t}=RTCRtpSender.getCapabilities("audio");this.context.logger.debug(`Available audio codecs ${JSON.stringify(t,null,4)}`);let i=t.findIndex(e=>"audio/red"===e.mimeType);if(!e){this.context.logger.error("audio transceiver is null");return}if(i>=0){let n=t[i];t.splice(i,1),this.context.enableAudioRedundancy()?(t.unshift(n),this.context.logger.info("audio/red set as preferred codec")):this.context.logger.info("audio/red removed from preferred codec"),e.setCodecPreferences(t);return}this.context.logger.info("audio/red codec not supported")}}t.default=a},99481:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

18dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(77540)),s=n(i(53364));class a{constructor(e){this.logger=e,this.taskName="BaseTask",this.parentTask=null,this.status=s.default.IDLE,this.run=this.baseRun.bind(this,this.run),this.cancel=this.baseCancel.bind(this,this.cancel)}once(...e){return new r.default(this.logger,this,e)}cancel(){}name(){return this.parentTask?`${this.parentTask.name()}/${this.taskName}`:this.taskName}setParent(e){this.parentTask=e}getStatus(){return this.status}logAndThrow(e){throw this.logger.info(e),Error(e)}async baseRun(e){try{let t=Date.now();switch(this.logger.info(`running task ${this.name()}`),this.status){case s.default.RUNNING:this.logAndThrow(`${this.name()} is already running`);case s.default.CANCELED:this.logAndThrow(`${this.name()} was canceled before running`);case s.default.FINISHED:this.logAndThrow(`${this.name()} was already finished`)}this.status=s.default.RUNNING,await e.call(this),this.logger.info(`${this.name()} took ${Math.round(Date.now()-t)} ms`)}catch(e){throw e}finally{this.status!==s.default.CANCELED&&(this.status=s.default.FINISHED)}}baseCancel(e){if(this.status===s.default.CANCELED||this.status===s.default.FINISHED){this.logger.info(`Not canceling ${this.name()}: state is ${this.status}`);return}this.logger.info(`canceling task ${this.name()}`),this.status=s.default.CANCELED,e.call(this)}}t.default=a},94871:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481));class s extends r.default{constructor(e){super(e.logger),this.context=e,this.taskName="CleanRestartedSessionTask"}async run(){this.context.resetConnectionSpecificState()}}t.default=s},32709:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(66485)),s=n(i(99481));class a extends s.default{constructor(e){super(e.logger),this.context=e,this.taskName="CleanStoppedSessionTask",this.taskCanceler=null}cancel(){this.taskCanceler&&(this.taskCanceler.cancel(),this.taskCanceler=null)}async run(){try{this.context.signalingClient.ready()&&(this.context.signalingClient.closeConnection(),await this.receiveWebSocketClosedEvent())}catch(e){throw e}finally{for(let e of this.context.removableObservers)e.removeObserver();this.context.resetConnectionSpecificState(),this.context.statsCollector.stop(),this.context.statsCollector=null,this.context.connectionMonitor.stop(),this.context.connectionMonitor=null,this.context.videoUplinkBandwidthPolicy.setTransceiverController&&this.context.videoUplinkBandwidthPolicy.setTransceiverController(void 0),this.context.videoDownlinkBandwidthPolicy.bindToTileController&&this.context.videoDownlinkBandwidthPolicy.bindToTileController(void 0);let e=this.context.videoTileController.getLocalVideoTile();e&&e.bindVideoStream("",!0,null,null,null,null),this.context.videoTileController.removeAllVideoTiles()}}receiveWebSocketClosedEvent(){return new Promise((e,t)=>{class i{constructor(e){this.signalingClient=e}cancel(){this.signalingClient.removeObserver(this),t(Error("CleanStoppedSessionTask got canceled while waiting for the WebSocket closed event"))}handleSignalingClientEvent(t){t.type===r.default.WebSocketClosed&&(this.signalingClient.removeObserver(this),e())}}let n=new i(this.context.signalingClient);this.taskCanceler=n,this.context.signalingClient.registerObserver(n)})}}t.default=a},84710:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481));class s extends r.default{constructor(e){super(e.logger),this.context=e,this.taskName="CreatePeerConnectionTask",this.removeTrackAddedEventListener=null,this.removeTrackRemovedEventListeners={},this.trackEvents=["ended","mute","unmute","isolationchange","overconstrained"],this.removeVideoTrackEventListeners={},this.trackAddedHandler=e=>{let t=e.track;if(this.context.logger.info(`received track event: kind=${t.kind} id=${t.id} label=${t.label}`),e.transceiver&&"inactive"===e.transceiver.currentDirection)return;if(0===e.streams.length){this.context.logger.warn("Track event but no stream");return}let i=e.streams[0];"audio"===t.kind?this.context.audioMixController.bindAudioStream(i):"video"!==t.kind||this.trackIsVideoInput(t)||this.addRemoteVideoTrack(t,i)}}removeObserver(){for(let e in this.removeTrackAddedEventListener&&this.removeTrackAddedEventListener(),this.removeTrackRemovedEventListeners)this.removeTrackRemovedEventListeners[e]()}addPeerConnectionEventLogger(){let e=this.context.peer;e.addEventListener("connectionstatechange",()=>{this.context.logger.info(`peer connection state changed: ${e.connectionState}`)}),e.addEventListener("negotiationneeded",()=>{this.context.logger.info("peer connection negotiation is needed")}),e.addEventListener("icegatheringstatechange",()=>{this.context.logger.info(`peer connection ice gathering state changed: ${e.iceGatheringState}`)}),e.addEventListener("icecandidate",e=>{this.context.logger.info(`peer connection ice candidate: ${e.candidate?e.candidate.candidate:"(null)"}`)}),e.addEventListener("iceconnectionstatechange",()=>{var t;this.context.logger.info(`peer connection ice connection state changed: ${e.iceConnectionState}`),"connected"===e.iceConnectionState&&(null===(t=this.context.meetingSessionTimingManager)||void 0===t||t.onIceConnected())})}async run(){this.context.removableObservers.push(this);let e=this.context.turnCredentials&&this.context.turnCredentials.uris.length>0?{iceServers:[{urls:this.context.turnCredentials.uris,username:this.context.turnCredentials.username,credential:this.context.turnCredentials.password}],iceTransportPolicy:"relay"}:{};e.bundlePolicy=this.context.browserBehavior.requiresBundlePolicy(),e.sdpSemantics="unified-plan",window.RTCRtpScriptTransform||(e.encodedInsertableStreams=this.context.enableAudioRedundancy()),this.context.peer?this.context.logger.info("reusing peer connection"):(this.context.logger.info("creating new peer connection"),this.context.peer=new RTCPeerConnection(e),this.addPeerConnectionEventLogger()),this.removeTrackAddedEventListener=()=>{this.context.peer&&this.context.peer.removeEventListener("track",this.trackAddedHandler),this.removeTrackAddedEventListener=null},this.context.peer.addEventListener("track",this.trackAddedHandler)}trackIsVideoInput(e){return!!this.context.transceiverController.useTransceivers()&&(this.logger.debug(()=>"getting video track type"),this.context.transceiverController.trackIsVideoInput(e))}addRemoteVideoTrack(e,t){var i;let n,r,s;let a=t.id,o=this.context.videoStreamIndex.attendeeIdForTrack(a);if(this.context.videoTileController.getVideoTileForAttendeeId?!!(null===(i=null==(n=this.context.videoTileController.getVideoTileForAttendeeId(o)

18)?void 0:n.state())||void 0===i?void 0:i.boundVideoStream):this.context.videoTileController.haveVideoTileForAttendeeId(o)){this.context.logger.info(`Not adding remote track. Already have tile for attendeeId:  ${o}`);return}n||(n=this.context.videoTileController.addVideoTile(),this.logger.info(`Created video tile ${n.id()}`));let d=this.context.videoStreamIndex.streamIdForTrack(a);void 0===d&&(this.logger.warn(`stream not found for tile=${n.id()} track=${a}`),d=null);let l=this.context.videoStreamIndex.groupIdForStreamId(d);void 0===l&&(l=null);for(let i=0;i<this.trackEvents.length;i++){let r=this.trackEvents[i],s=t.getVideoTracks();if(s&&s.length){let t=s[0],i=()=>{this.context.logger.info(`received the ${r} event for tile=${n.id()} id=${e.id} streamId=${d}`),"ended"===r&&this.removeRemoteVideoTrack(e,n.state())};t.addEventListener(r,i),this.removeVideoTrackEventListeners[e.id]||(this.removeVideoTrackEventListeners[e.id]=[]),this.removeVideoTrackEventListeners[e.id].push(()=>{t.removeEventListener(r,i)})}}if(e.getSettings){let t=e.getSettings();r=t.width,s=t.height}else{let t=e.getCapabilities();r=t.width,s=t.height}let c=this.context.videoStreamIndex.externalUserIdForTrack(a);n.bindVideoStream(o,!1,t,r,s,d,c,l),this.logger.info(`video track added, use tile=${n.id()} track=${a} streamId=${d} groupId=${l}`);let u="removetrack",h=()=>this.removeRemoteVideoTrack(e,n.state());this.removeTrackRemovedEventListeners[e.id]=()=>{t.removeEventListener(u,h),delete this.removeTrackRemovedEventListeners[e.id]},t.addEventListener(u,h)}removeRemoteVideoTrack(e,t){var i;if(this.removeTrackRemovedEventListeners.hasOwnProperty(e.id)){for(let t of(this.removeTrackRemovedEventListeners[e.id](),this.removeVideoTrackEventListeners[e.id]))t();delete this.removeVideoTrackEventListeners[e.id]}this.logger.info(`video track ended, removing tile=${t.tileId} id=${e.id} stream=${t.streamId}`),t.streamId?this.context.videosPaused.remove(t.streamId):this.logger.warn(`no stream found for tile=${t.tileId}`),null!==t.groupId&&(null===(i=this.context.meetingSessionTimingManager)||void 0===i||i.onRemoteVideoRemoved(t.groupId)),this.context.videoTileController.removeVideoTile(t.tileId)}}s.REMOVE_HANDLER_INTERVAL_MS=1e4,t.default=s},48999:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(69647)),s=n(i(85207)),a=n(i(99481));class o extends a.default{constructor(e){super(e.logger),this.context=e,this.taskName="CreateSDPTask"}cancel(){if(this.cancelPromise){let e=Error(`canceling ${this.name()}`);this.cancelPromise(e),delete this.cancelPromise}}sessionUsesAudio(){var e,t;return!!(null===(t=null===(e=this.context.meetingSessionConfiguration)||void 0===e?void 0:e.urls)||void 0===t?void 0:t.audioHostURL)}sessionUsesVideo(){let e;e=this.context.transceiverController.useTransceivers()?this.context.transceiverController.hasVideoInput():this.context.videoTileController.hasStartedLocalVideoTile();let t=!!this.context.videosToReceive&&!this.context.videosToReceive.empty(),i=e||t;return this.context.logger.info(`uses video: ${i} (enabled: true, sending: ${e}, receiving: ${t})`),i}async run(){let e={offerToReceiveAudio:this.sessionUsesAudio(),offerToReceiveVideo:this.sessionUsesVideo()};this.logger.info(`peer connection offerOptions: ${JSON.stringify(e)}`),await new Promise(async(t,i)=>{var n;this.cancelPromise=e=>{i(e)};try{if(this.context.sdpOfferInit=await this.context.peer.createOffer(e),null===(n=this.context.meetingSessionTimingManager)||void 0===n||n.onCreateOfferCalled(),this.context.logger.info("peer connection created offer"),this.context.previousSdpOffer&&new s.default(this.context.sdpOfferInit.s

18dp).videoSendSectionHasDifferentSSRC(this.context.previousSdpOffer)){let e=Error(`canceling ${this.name()} due to the meeting status code: ${r.default.IncompatibleSDP}`);this.context.previousSdpOffer=null,i(e);return}t()}catch(e){i(e)}finally{delete this.cancelPromise}})}}t.default=o},63985:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(69647)),s=n(i(85207)),a=n(i(99481));class o extends a.default{constructor(e,t=o.CHROME_VPN_TIMEOUT_MS){super(e.logger),this.context=e,this.chromeVpnTimeoutMs=t,this.taskName="FinishGatheringICECandidatesTask"}removeEventListener(){this.context.peer&&(this.context.peer.removeEventListener("icecandidate",this.context.iceCandidateHandler),this.context.turnCredentials||this.context.peer.removeEventListener("icegatheringstatechange",this.context.iceGatheringStateEventHandler))}cancel(){let e;this.context.browserBehavior.requiresIceCandidateGatheringTimeoutWorkaround()&&this.chromeVpnTimeoutMs<this.context.meetingSessionConfiguration.connectionTimeoutMs&&Date.now()-this.startTimestampMs>this.chromeVpnTimeoutMs&&(e=Error(`canceling ${this.name()} due to the meeting status code: ${r.default.ICEGatheringTimeoutWorkaround}`)),this.cancelPromise&&(e=e||Error(`canceling ${this.name()}`),this.cancelPromise(e),delete this.cancelPromise)}async run(){var e,t;if(this.context.peer||this.logAndThrow("session does not have peer connection; bypass ice gathering"),this.context.browserBehavior.requiresCheckForSdpConnectionAttributes()){if(new s.default(this.context.peer.localDescription.sdp).hasCandidatesForAllMLines()){this.context.logger.info(`ice gathering already complete; bypass gathering, current local description ${this.context.peer.localDescription.sdp}`);return}}else this.context.logger.info(`iOS device does not require checking for connection attributes in SDP, current local description ${this.context.peer.localDescription.sdp}`);if((this.context.browserBehavior.hasFirefoxWebRTC()||"complete"===this.context.peer.iceGatheringState)&&new s.default(this.context.peer.localDescription.sdp).hasCandidates()){this.context.logger.info("ice gathering state is complete and candidates are in SDP; bypass gathering");return}null===(e=this.context.meetingSessionTimingManager)||void 0===e||e.onIceGatheringStarted();try{await new Promise((e,t)=>{this.cancelPromise=e=>{this.removeEventListener(),t(e)},this.context.turnCredentials||(this.context.iceGatheringStateEventHandler=()=>{if("complete"===this.context.peer.iceGatheringState){this.removeEventListener(),e(),delete this.cancelPromise;return}},this.context.peer.addEventListener("icegatheringstatechange",this.context.iceGatheringStateEventHandler)),this.context.iceCandidateHandler=i=>{if(this.context.logger.info(`ice candidate: ${i.candidate?i.candidate.candidate:"(null)"} state: ${this.context.peer.iceGatheringState}`),i.candidate&&(s.default.isRTPCandidate(i.candidate.candidate)&&this.context.iceCandidates.push(i.candidate),this.context.turnCredentials&&this.context.iceCandidates.length>=1)){this.context.logger.info("gathered at least one relay candidate"),this.removeEventListener(),e(),delete this.cancelPromise;return}"complete"===this.context.peer.iceGatheringState&&(this.context.logger.info("done gathering ice candidates"),this.removeEventListener(),new s.default(this.context.peer.localDescription.sdp).hasCandidates()&&0!==this.context.iceCandidates.length?e():t(Error("no ice candidates were gathered")),delete this.cancelPromise)},this.context.peer.addEventListener("icecandidate",this.context.iceCandidateHandler),this.startTimestampMs=Date.now()})}catch(e){throw e}finally{this.startTimestampMs&&(this.context.iceGatheringDurationMs=Math.round(Date.now()-this.startTimestampMs)),null===(t=this.context.meetingSessionTimingManager)||void 0===t||t.onIceGatheringComplete()}}}o.CHROME_VPN_TIMEOUT_MS=5e3,t.default=o},68092:function(e,t,i){"use strict";var n,r=this&&this.__createBinding||(Object.create?function(e,t,i,n){void 0===n&&(n=i);var r=Object.getOwnPropertyDescriptor(t,i);

18(!r||("get"in r?!t.__esModule:r.writable||r.configurable))&&(r={enumerable:!0,get:function(){return t[i]}}),Object.defineProperty(e,n,r)}:function(e,t,i,n){void 0===n&&(n=i),e[n]=t[i]}),s=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),a=this&&this.__importStar||(n=function(e){return(n=Object.getOwnPropertyNames||function(e){var t=[];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[t.length]=i);return t})(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var i=n(e),a=0;a<i.length;a++)"default"!==i[a]&&r(t,e,i[a]);return s(t,e),t}),o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let d=o(i(90176)),l=o(i(69647)),c=o(i(68187)),u=a(i(16802)),h=o(i(66485)),f=o(i(16387)),m=i(8283),p=o(i(99481));class g extends p.default{constructor(e){super(e.logger),this.context=e,this.taskName="JoinAndReceiveIndexTask",this.taskCanceler=null}cancel(){this.taskCanceler&&(this.taskCanceler.cancel(),this.taskCanceler=null)}async run(){var e;let t=await new Promise(async(e,t)=>{let i=this.context;i.turnCredentials=null;class n{constructor(e){this.signalingClient=e}cancel(){this.signalingClient.removeObserver(this),t(Error("JoinAndReceiveIndexTask got canceled while waiting for SdkIndexFrame"))}handleSignalingClientEvent(t){var n;if(t.type===h.default.WebSocketClosed){let e=`The signaling connection was closed with code ${t.closeCode} and reason: ${t.closeReason}`;i.logger.warn(e);let n=l.default.SignalingBadRequest;4410===t.closeCode?(e="The meeting already ended.",i.logger.warn(e),n=l.default.MeetingEnded):t.closeCode>=4500&&t.closeCode<4600&&(n=l.default.SignalingInternalServerError),i.audioVideoController.handleMeetingSessionStatus(new d.default(n),Error(e));return}if(t.type===h.default.ReceivedSignalFrame){if(t.message.type===m.SdkSignalFrame.Type.JOIN_ACK){null===(n=i.meetingSessionTimingManager)||void 0===n||n.onJoinAckReceived();let e=t.message.joinack;if(!e){i.audioVideoController.handleMeetingSessionStatus(new d.default(l.default.SignalingRequestFailed),Error("Join ACK message did not include expected frame"));return}if(e.videoSubscriptionLimit&&(i.videoSubscriptionLimit=e.videoSubscriptionLimit),i.serverSupportsCompression=e.wantsCompressedSdp,void 0!==e.defaultServerSideNetworkAdaption&&e.defaultServerSideNetworkAdaption!==u.default.Default&&void 0!==i.videoDownlinkBandwidthPolicy.setServerSideNetworkAdaption){let t=e.defaultServerSideNetworkAdaption;i.logger.info(`Overriding server side network adaption value to ${t}`),i.videoDownlinkBandwidthPolicy.setServerSideNetworkAdaption((0,u.convertServerSideNetworkAdaptionEnumFromSignaled)(t))}e&&e.turnCredentials?(i.turnCredentials=new c.default,i.turnCredentials.username=e.turnCredentials.username,i.turnCredentials.password=e.turnCredentials.password,i.turnCredentials.ttl=e.turnCredentials.ttl,i.turnCredentials.uris=function(e,t){let{urlRewriterMulti:i,urlRewriter:n}=t;return e.flatMap(e=>{if(i)return i(e)||[];let t=n(e);return t?[t]:[]}).filter(e=>!!e)}(e.turnCredentials.uris,i.meetingSessionConfiguration.urls)):i.logger.error("missing TURN credentials in JoinAckFrame");return}t.message.type===m.SdkSignalFrame.Type.INDEX&&(this.signalingClient.removeObserver(this),e(t.message.index))}}}let r=new n(this.context.signalingClient);this.context.signalingClient.registerObserver(r),this.taskCanceler=r,this.context.previousSdpAnswerAsString="",this.context.previousSdpOffer=null,this.context.serverSupportsCompression=!1;let s=new f.default(this.context.meetingSessionConfiguration.applicationMetadata);s.browserBehavior=this.context.browserBehavior,void 0!==this.context.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption&&void 0!==this.context.videoDownlinkBandwidthPolicy.supportedServerSideNetworkAdaptions&&(s.serverSideNetworkAdaption=this.context.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption(),s.supportedServerSideNetworkAdaptions=this.context.videoDownlinkBandwidthPolicy.supportedServerSideNetworkAdaptions()),void 0!==this.context.videoDownlinkBandwidthPolicy.wantsAllTemporalLayersInIndex&&(s.wantsAllTemporalLayersInIndex=this.context.videoDownlinkBandwidthPolicy.wantsAllTemporalLayersInIndex()),s.disablePerio

18dicKeyframeRequestOnContentSender=this.context.meetingSessionConfiguration.disablePeriodicKeyframeRequestOnContentSender,this.context.signalingClient.join(s)});this.context.logger.info(`received first index ${JSON.stringify(t)}`),this.context.indexFrame=t,t.sources&&t.sources.length>0&&(null===(e=this.context.meetingSessionTimingManager)||void 0===e||e.setExpectingRemoteVideo())}}t.default=g},76611:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(66485)),s=i(8283),a=n(i(99481));class o extends a.default{constructor(e){super(e.logger),this.context=e,this.taskName="LeaveAndReceiveLeaveAckTask",this.taskCanceler=null}cancel(){this.taskCanceler&&(this.taskCanceler.cancel(),this.taskCanceler=null)}async run(){this.context.signalingClient.ready()&&(this.context.signalingClient.leave(),this.context.logger.info("sent leave"),await this.receiveLeaveAck())}receiveLeaveAck(){return new Promise((e,t)=>{class i{constructor(e,t){this.signalingClient=e,this.logger=t}cancel(){this.signalingClient.removeObserver(this),t(Error("LeaveAndReceiveLeaveAckTask got canceled while waiting for IndexFrame"))}handleSignalingClientEvent(t){if(t.isConnectionTerminated()){this.signalingClient.removeObserver(this),this.logger.info("LeaveAndReceiveLeaveAckTask connection terminated"),e();return}t.type===r.default.ReceivedSignalFrame&&t.message.type===s.SdkSignalFrame.Type.LEAVE_ACK&&(this.signalingClient.removeObserver(this),this.logger.info("got leave ack"),e())}}let n=new i(this.context.signalingClient,this.context.logger);this.taskCanceler=n,this.context.signalingClient.registerObserver(n)})}}t.default=o},72655:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(66485)),s=i(8283),a=n(i(99481));class o extends a.default{constructor(e){super(e.logger),this.context=e,this.taskName="ListenForVolumeIndicatorsTask",this.realtimeMuteAndUnmuteHandler=e=>{this.context.signalingClient.mute(e)}}async run(){this.context.removableObservers.push(this),this.context.signalingClient.registerObserver(this),this.context.realtimeController.realtimeSubscribeToMuteAndUnmuteLocalAudio(this.realtimeMuteAndUnmuteHandler)}removeObserver(){this.context.realtimeController.realtimeUnsubscribeToMuteAndUnmuteLocalAudio(this.realtimeMuteAndUnmuteHandler),this.context.signalingClient.removeObserver(this)}handleSignalingClientEvent(e){if(e.type===r.default.ReceivedSignalFrame){if(e.message.type===s.SdkSignalFrame.Type.AUDIO_STREAM_ID_INFO){let t=e.message.audioStreamIdInfo;this.context.volumeIndicatorAdapter.sendRealtimeUpdatesForAudioStreamIdInfo(t)}else if(e.message.type===s.SdkSignalFrame.Type.AUDIO_METADATA){let t=e.message.audioMetadata;this.context.volumeIndicatorAdapter.sendRealtimeUpdatesForAudioMetadata(t)}}}}t.default=o},74575:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(87911)),s=n(i(40372)),a=n(i(67089)),o=n(i(80279)),d=n(i(355)),l=n(i(74588)),c=i(97937),u=n(i(90176)),h=n(i(69647)),f=n(i(92220)),m=n(i(66485)),p=i(8283),g=n(i(51417)),v=i(24670),b=n(i(99481));class S extends b.default{constructor(e,t,i){for(let n of(super(e.logger),this.context=e,this.initialConnectionHealthData=i,this.taskName="MonitorTask",this.prevSignalStrength=1,this.currentAvailableStreamAvgBitrates=null,this.hasSignalingError=!1,this.presenceHandlerCalled=!1,this.isResubscribeCheckPaused=!1,this.pendingMetricsReport=void 0,this.videoEncodingHealthPolicies=[],this.checkAndSendWeakSignalEvent=e=>{let t=this.prevSignalStrength<1,i=e<1?t?null:g.default.RedmicStartLoss:t?g.default.RedmicEndLoss:null;i&&this.context.statsCollector.logAudioEvent(i),this.prevSignalStrength=e},this.realtimeFatalErrorCallback=e=>{this.logger.error(`realtime error: ${e}: ${e.stack}`),this.context.audioVideoController.handleMeetingSessionStatus(new u.default(h.default.RealtimeApiFailed),e)},this.realtimeAttendeeIdPresenceHandler=(e,t)=>{var i;let n=this.context.meetingSessionConfiguration.credentials.attendeeId;this.logger.info(`attendeePresenceReceived: ${n}`),n===e&&t&&!this.presenceHandlerCalled&&(this.presenceHandlerCalled=!0,this.context.attendeePresenceDurationMs=Date.now()-this.context.startAudioVideoT

18imestamp,null===(i=this.context.eventController)||void 0===i||i.publishEvent("attendeePresenceReceived",{attendeePresenceDurationMs:this.context.attendeePresenceDurationMs,retryCount:this.context.retryCount}))},this.reconnectionHealthPolicy=new a.default(e.logger,{...t},this.initialConnectionHealthData.clone()),this.unusableAudioWarningHealthPolicy=new d.default({...t},this.initialConnectionHealthData.clone()),this.sendingAudioFailureHealthPolicy=new o.default(e.logger,{...t},this.initialConnectionHealthData.clone()),t.videoEncodingHealthPolicies))this.videoEncodingHealthPolicies.push(new n({...t},this.initialConnectionHealthData.clone()))}removeObserver(){this.context.audioVideoController.removeObserver(this),this.context.realtimeController.realtimeUnsubscribeToFatalError(this.realtimeFatalErrorCallback),this.context.realtimeController.realtimeUnsubscribeToLocalSignalStrengthChange(this.checkAndSendWeakSignalEvent),this.context.realtimeController.realtimeUnsubscribeToAttendeeIdPresence(this.realtimeAttendeeIdPresenceHandler),this.context.signalingClient.removeObserver(this)}async run(){this.context.removableObservers.push(this),this.context.audioVideoController.addObserver(this),this.context.realtimeController.realtimeSubscribeToFatalError(this.realtimeFatalErrorCallback),this.context.realtimeController.realtimeSubscribeToLocalSignalStrengthChange(this.checkAndSendWeakSignalEvent),this.context.realtimeController.realtimeSubscribeToAttendeeIdPresence(this.realtimeAttendeeIdPresenceHandler),this.context.connectionMonitor.start(),this.context.statsCollector.start(this.context.signalingClient,this.context.videoStreamIndex),this.context.signalingClient.registerObserver(this)}pauseResubscribeCheck(){this.isResubscribeCheckPaused=!0}resumeResubscribeCheck(){this.isResubscribeCheckPaused&&(this.isResubscribeCheckPaused=!1,this.pendingMetricsReport&&(this.context.logger.info("Resuming resubscribe check with pending metrics report"),this.checkResubscribe(this.pendingMetricsReport)&&this.context.audioVideoController.update({needsRenegotiation:!1})))}videoTileDidUpdate(e){this.context.maxVideoTileCount=Math.max(this.context.maxVideoTileCount,this.context.videoTileController.getAllVideoTiles().length)}checkResubscribe(e){if(this.isResubscribeCheckPaused){this.context.logger.info("Resubscribe check is paused, setting incoming client metric report as pending"),this.pendingMetricsReport=e;return}this.pendingMetricsReport=void 0;let t=e.getObservableMetrics(),i=t.availableOutgoingBitrate,n=t.nackCountReceivedPerSecond,r=!1;this.context.videoDownlinkBandwidthPolicy.updateMetrics(e);let s=this.context.videoDownlinkBandwidthPolicy.wantsResubscribe();if(r=r||s,s){let e=this.context.videoDownlinkBandwidthPolicy.chooseSubscriptions();this.context.videosToReceive=e.truncate(this.context.videoSubscriptionLimit),e.size()>this.context.videosToReceive.size()&&this.logger.warn(`Video receive limit exceeded. Limiting the videos to ${this.context.videosToReceive.size()}. Please consider using AllHighestVideoBandwidthPolicy or VideoPriorityBasedPolicy along with chooseRemoteVideoSources api to select the video sources to be displayed.`),this.logger.info(`trigger resubscribe for down=${s}; videosToReceive=[${this.context.videosToReceive.array()}]`)}if(this.context.videoTileController.hasStartedLocalVideoTile()){this.context.videoUplinkBandwidthPolicy.updateConnectionMetric({uplinkKbps:i/1e3,nackCountPerSecond:n});let e=this.context.videoUplinkBandwidthPolicy.wantsResubscribe();r=r||e,e&&(this.logger.info(`trigger resubscribe for up=${e}; videosToReceive=[${this.context.videosToReceive.array()}]`),this.context.videoUplinkBandwidthPolicy.chooseEncodingParameters())}return r}metricsDidReceive(e){if(this.checkResubscribe(e)&&this.context.audioVideoController.update({needsRenegotiation:!1}),!this.currentAvailableStreamAvgBitrates)return;let t=e.streamMetricReports,i=new Map;for(let e in t)t[e].mediaType===s.default.VIDEO&&t[e].direction===r.default.DOWNSTREAM&&i.set(t[e].streamId,t[e])}connectionHealthDidChange(e){for(let t of(0===e.consecutiveMissedPongs&&this.context.reconnectController&&this.context.reconnectController.setLastActiveTimestampMs(Date.now()),this.applyHealthPolicy(this.reconnectionHealthPolicy,e,()=>{this.context.audioVideoController.handleMeetingSessionStatus(new u.default(h.default.ConnectionHealthReconnect),null)}),this.applyHealthPolicy(this.unusableAudioWarningHealthPolicy,e,()=>{var e;this.context.poorConnectionCount+=1,null===(e=this.context.eventController)||void 0===e||e.publishEvent("receivingAudioDropped",(0,c.audioVideoEventAttributesFromState)(this.context)),this.context.videoTileController.haveVideoTilesWithStreams()?this.context.audioVideoController.forEachObserver(e=>{v.Maybe.of(e.connectionDidSuggestStopVideo).map(t=>t.bind(e)())}):this.context.audioVideoController.forEachObserver(e=>{v.Maybe.of(e.connectionDidBecomePoor).map(t=>t.bind(e)())})},()=>{this.context.audioVideoController.forEachObserver(e=>{v.Maybe.of(e.connectionDidBecomeGood).map(t=>t.bind(e)())})}),this.videoEncodingHealthPolicies))this.applyHealthPolicy(t,e,()=>{switch(this.degradeVideoEncoding(t.name),t.name){case l.default.VideoEncodingCpuHealth:this.context.statsCollector.videoCodecDegradationHighEncodeCpuDidReceive();break;case l.default.VideoEncodingFramerateHealth:this.context.statsCollector.videoCodecDegradationEncodeFailureDidReceive();break;case l.default.VideoConcurrentSendersHealth:this.context.statsCollector.videoCodecDegradationConcurrentSendersDidReceive()}});

18if(this.context.isSessionConnected){let t=e=>{var t;let i=(0,c.audioVideoEventAttributesFromState)(this.context);null===(t=this.context.eventController)||void 0===t||t.publishEvent(e,i)};this.applyHealthPolicy(this.sendingAudioFailureHealthPolicy,e,()=>t("sendingAudioFailed"),()=>t("sendingAudioRecovered"))}}applyHealthPolicy(e,t,i,n){e.update(t);let r=e.healthIfChanged();null!==r&&(this.logger.info(`${e.name} value is now ${r}`),r<=e.minimumHealth()?v.Maybe.of(i).map(e=>e.bind(this)()):v.Maybe.of(n).map(e=>e.bind(this)()))}handleBitrateFrame(e){this.currentAvailableStreamAvgBitrates=e,e.serverAvailableOutgoingBitrate>0&&(this.logger.info(`Received server side estimation of available incoming bitrate ${e.serverAvailableOutgoingBitrate}kbps`),this.context.statsCollector.overrideObservableMetric("availableIncomingBitrate",1e3*e.serverAvailableOutgoingBitrate))}handleSignalingClientEvent(e){var t;if(e.type===m.default.WebSocketClosed&&this.isUnexpectedsignalingCloseCode(e.closeCode)||e.type===m.default.WebSocketError||e.type===m.default.WebSocketFailed?(this.hasSignalingError||(null===(t=this.context.eventController)||void 0===t||t.publishEvent("signalingDropped",{...(0,c.audioVideoEventAttributesFromState)(this.context),...void 0!==e.closeCode&&{signalingCloseCode:e.closeCode},...void 0!==e.closeReason&&{signalingCloseReason:e.closeReason},...void 0!==e.wasClean&&{signalingCloseWasClean:e.wasClean}}),this.hasSignalingError=!0),this.context.isSessionConnected&&this.context.audioVideoController.handleMeetingSessionStatus(new u.default(this.isInternalServerFailureCloseCode(e.closeCode)?h.default.SignalingInternalServerError:h.default.SignalingChannelClosedUnexpectedly),null)):e.type===m.default.WebSocketOpen&&(this.hasSignalingError=!1),e.type===m.default.ReceivedSignalFrame){if(e.message.type===p.SdkSignalFrame.Type.NOTIFICATION){switch(e.message.notification.level){case p.SdkNotificationFrame.NotificationLevel.INFO:this.logger.info(`Received notification from server: ${e.message.notification.message}`);break;case p.SdkNotificationFrame.NotificationLevel.WARNING:this.logger.warn(`Received warning from server: ${e.message.notification.message}`);break;case p.SdkNotificationFrame.NotificationLevel.ERROR:this.logger.error(`Received error from server: ${e.message.notification.message}`);break;default:this.logger.error(`Received notification from server with unknown level ${e.message.notification.level}: ${e.message.notification.message}`)}return}if(e.message.bitrates){let t=e.message.bitrates;this.context.videoStreamIndex.integrateBitratesFrame(t),this.context.videoDownlinkBandwidthPolicy.updateIndex(this.context.videoStreamIndex),this.handleBitrateFrame(e.message.bitrates)}let t=u.default.fromSignalFrame(e.message);e.message.type!==p.SdkSignalFrame.Type.PRIMARY_MEETING_JOIN_ACK&&t.statusCode()!==h.default.OK&&this.context.audioVideoController.handleMeetingSessionStatus(t,null)}}isUnexpectedsignalingCloseCode(e){return 1006===e||this.isInternalServerFailureCloseCode(e)}isInternalServerFailureCloseCode(e){return e>=4500&&e<4600}degradeVideoEncoding(e){var t;if((null===(t=this.context.videoUplinkBandwidthPolicy)||void 0===t?void 0:t.degradeScalabilityMode)&&this.context.videoUplinkBandwidthPolicy.degradeScalabilityMode()){this.context.audioVideoController.update({needsRenegotiation:!1});return}if(void 0!==this.context.meetingSupportedVideoSendCodecPreferences&&this.context.meetingSupportedVideoSendCodecPreferences.length>1&&!(this.context.meetingSupportedVideoSendCodecPreferences[0].equals(f.default.h264ConstrainedBaselineProfile())||this.context.meetingSupportedVideoSendCodecPreferences[0].equals(f.default.vp8()))){let t=[];for(let e of this.context.videoSendCodecPreferences)e.equals(this.context.meetingSupportedVideoSendCodecPreferences[0])||t.pu

18sh(e);t.length>0?(this.context.logger.info(`Downgrading codec from ${this.context.meetingSupportedVideoSendCodecPreferences[0].codecName} to ${t[0].codecName} due to ${e}`),this.context.degradedVideoSendCodecs.push(this.context.meetingSupportedVideoSendCodecPreferences[0]),this.context.meetingSupportedVideoSendCodecPreferences=t,this.context.videoUplinkBandwidthPolicy.setMeetingSupportedVideoSendCodecs&&this.context.videoUplinkBandwidthPolicy.setMeetingSupportedVideoSendCodecs(this.context.meetingSupportedVideoSendCodecPreferences,this.context.videoSendCodecPreferences),this.context.audioVideoController.update({needsRenegotiation:!0})):this.context.logger.warn(`Degrading video codec failed since there is no alternative codec to select. Currently degraded codecs: ${this.context.degradedVideoSendCodecs.map(e=>e.codecName).join(",")}`)}}}t.default=S},36154:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{cancel(){}name(){return"NoOpTask"}run(){return Promise.resolve()}setParent(e){}}t.default=i},77540:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(94618)),s=n(i(16564));class a{constructor(e,t,i){this.logger=e,this.task=t,this.dependencies=i,this.canceled=!1}name(){return`${this.task.name()} (once)`}cancel(){if(!this.canceled){if(this.dependencies)for(let e of this.dependencies)e.cancel();this.logger.info(`Canceling ${this.name()}`),s.default.nextTick(()=>this.task.cancel()),this.canceled=!0,this.cancelPromise&&s.default.nextTick(()=>this.cancelPromise(Error(`canceling ${this.name()}`)))}}logDependencies(){if(this.logger.getLogLevel()>r.default.INFO||!this.dependencies)return;let e=this.dependencies.filter(e=>e).map(e=>e.name()).join(", ");this.logger.info(`${this.task.name()} waiting for dependencies: ${e}`)}run(){if(this.promise)return this.promise;let e=this.dependencies?Promise.all(this.dependencies.map(e=>null==e?void 0:e.run())):Promise.resolve();return this.logDependencies(),this.ongoing=e.then(()=>this.task.run()),this.promise=new Promise((e,t)=>{this.cancelPromise=t,this.ongoing.then(e).catch(t)})}setParent(e){this.task.setParent(e)}}t.default=a},54633:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(35848)),s=n(i(66485)),a=n(i(99481));class o extends a.default{constructor(e){super(e.logger),this.context=e,this.taskName="OpenSignalingConnectionTask",this.taskCanceler=null}cancel(){this.taskCanceler&&(this.taskCanceler.cancel(),this.taskCanceler=null)}async run(){let e=this.context.meetingSessionConfiguration;this.context.signalingClient.openConnection(new r.default(e.urls.signalingURL,e.credentials.joinToken));let t=Date.now();try{await new Promise((e,t)=>{class i{constructor(e){this.signalingClient=e}cancel(){this.signalingClient.removeObserver(this),t(Error("OpenSignalingConnectionTask got canceled while waiting to open signaling connection"))}handleSignalingClientEvent(i){switch(i.type){case s.default.WebSocketOpen:this.signalingClient.removeObserver(this),e();break;case s.default.WebSocketFailed:this.signalingClient.removeObserver(this),t(Error("WebSocket connection failed"))}}}let n=new i(this.context.signalingClient);this.context.signalingClient.registerObserver(n),this.taskCanceler=n})}catch(e){throw e}finally{this.context.signalingOpenDurationMs=Math.round(Date.now()-t),this.logger.info(`Opening signaling connection took ${this.context.signalingOpenDurationMs} ms`)}}}t.default=o},59879:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481));class s extends r.default{constructor(e,t,i){for(let n of(super(e),this.taskName=t,this.tasksToRunParallel=i,i))n.setParent(this)}cancel(){for(let e of this.tasksToRunParallel)this.logger.info(`canceling parallel group task ${this.name()} subtask ${e.name()}`),e.cancel()}async run(){let e=[];for(let t of this.tasksToRunParallel)this.logger.info(`parallel group task ${this.name()} running subtask ${t.name()}`),e.push(t.run());let t=[];for(let i=0;i<e.length;i++){try{await e[i]}catch(e){t.push(`task ${this.tasksToRunParallel[i].name()} failed: ${e.message}`)}this.logger.info(`parallel group task ${this.name()} completed subtask ${this.tasksToRunParallel[i].name()}`)}if(t.length>0){let e=t.join(", ");this.logAndThrow(`parallel group task ${this.name()} failed for tasks: ${e}`)}this.logger.info(`parallel group task ${this.name()} completed`)}}t.default=s},67275:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

18dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(26912),s=n(i(66485)),a=i(8283),o=n(i(99481));class d extends o.default{constructor(e,t,i){super(e.logger),this.context=e,this.credentials=t,this.completionCallback=i,this.taskName="PromoteToPrimaryMeetingTask",this.taskCanceler=null}cancel(){this.taskCanceler&&(this.taskCanceler.cancel(),this.taskCanceler=null)}async run(){this.context.signalingClient.ready()?(this.context.signalingClient.promoteToPrimaryMeeting(this.credentials),this.context.logger.info("Sent request to join primary meeting"),await this.receivePrimaryMeetingJoinAck()):this.completionCallback(new r.MeetingSessionStatus(r.MeetingSessionStatusCode.SignalingRequestFailed))}receivePrimaryMeetingJoinAck(){return new Promise((e,t)=>{class i{constructor(e,t,i){this.signalingClient=e,this.completionCallback=t,this.logger=i}cancel(){this.signalingClient.removeObserver(this),this.completionCallback(new r.MeetingSessionStatus(r.MeetingSessionStatusCode.SignalingRequestFailed)),e()}handleSignalingClientEvent(t){t.isConnectionTerminated()&&(this.signalingClient.removeObserver(this),this.logger.info("PromoteToPrimaryMeetingTask connection terminated"),this.completionCallback(new r.MeetingSessionStatus(r.MeetingSessionStatusCode.SignalingRequestFailed)),e()),t.type===s.default.ReceivedSignalFrame&&t.message.type===a.SdkSignalFrame.Type.PRIMARY_MEETING_JOIN_ACK&&(this.signalingClient.removeObserver(this),this.logger.info("Got a primary meeting join ACK"),this.completionCallback(r.MeetingSessionStatus.fromSignalFrame(t.message)),e())}}let n=new i(this.context.signalingClient,this.completionCallback,this.context.logger);this.taskCanceler=n,this.context.signalingClient.registerObserver(n)})}}t.default=d},74638:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481));class s extends r.default{constructor(e){super(e.logger),this.context=e,this.taskName="ReceiveAudioInputTask"}async run(){var e,t;let i;if(!(null===(t=null===(e=this.context.meetingSessionConfiguration)||void 0===e?void 0:e.urls)||void 0===t?void 0:t.audioHostURL)){this.context.logger.info("No audio connection: not acquiring audio input");return}if(this.context.activeAudioInput){this.context.logger.info("an active audio input exists");return}try{i=await this.context.mediaStreamBroker.acquireAudioInputStream()}catch(e){this.context.logger.warn("could not acquire audio input from current device")}i?this.context.activeAudioInput=i:this.context.logger.warn("an audio input is not available")}}t.default=s},69609:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(66485)),s=i(8283),a=n(i(99481));class o extends a.default{constructor(e){super(e.logger),this.context=e,this.taskName="ReceiveRemoteVideoPauseResume",this.serverPausedVideoTileIds=new Set}removeObserver(){this.context.signalingClient.removeObserver(this)}async run(){this.context.signalingClient.registerObserver(this),this.context.removableObservers.push(this)}updateSubscribedGroupdIds(e){let t=new Set;for(let i of e){let e=this.context.videoStreamIndex.attendeeIdForGroupId(i);if(0===e.length){this.logger.warn(`Could not find attendee ID for newly subscribed group ID ${i}`);continue}let n=this.context.videoTileController.getVideoTileForAttendeeId(e);void 0===n&&(this.logger.info(`No existing video tile for attendee ID ${e} with new group ID ${i}. Creating new one.`),(n=this.context.videoTileController.addVideoTile()).bindVideoStream(e,!1,null,0,0,0,null)),t.add(n.id())}this.serverPausedVideoTileIds.forEach(e=>{t.has(e)||this.serverPausedVideoTileIds.delete(e)})}handleSignalingClientEvent(e){if(e.type!==r.default.ReceivedSignalFrame||e.message.type!==s.SdkSignalFrame.Type.PAUSE&&e.message.type!==s.SdkSignalFrame.Type.RESUME)return;let t=e.message.pause,i=e.message.type;if(this.logger.info(`Received new ${i===s.SdkSignalFrame.Type.PAUSE?"pause":"resume"} frame: ${JSON.stringify(t)}`),t&&void 0!==this.context.videoTileController.getVideoTileForAttendeeId&&void 0!==this.context.videoDownlinkBandwidthPolicy.forEachObserver&&void 0!==this.context.videoStreamIndex.attendeeIdForGroupId)for(let e of t.groupIds.map(e=>{let t=this.context.videoStreamIndex.attendeeIdForGroupId(e);if(0===t.length){this.logger.warn(`Could not find attendee ID for paused group ID ${e}`);return}return this.context.videoTileController.getVideoTileForAttendeeId(t)}))void 0!==e&&(i===s.SdkSignalFrame.Type.PAUSE?e.state().paused||(this.serverPausedVideoTileIds.add(e.id()),this.context.videoDownlinkBandwidthPolicy.forEachObserver(t=>{t.tileWillBePausedByDownlinkPolicy(e.id())}),e.pause()):e.state().paused&&this.serverPausedVideoTileIds.has(e.id())&&(this.serverPausedVideoTileIds.delete(e.id()),this.context.videoDownlinkBandwidthPolicy.forEachObserver(t=>{t.tileWillBeUnpausedByDownlinkPolicy(e.id())}),e.unpause()))}}t.default=o},32910:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

18dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(67941)),s=i(8283),a=n(i(99481));class o extends a.default{constructor(e){super(e.logger),this.context=e,this.taskName="ReceiveVideoInputTask"}async checkAndApplyVideoConstraint(e,t,i,n,r){let s=e?this.context.meetingSessionConfiguration.meetingFeatures.contentMaxResolution:this.context.meetingSessionConfiguration.meetingFeatures.videoMaxResolution;if(!e&&i<=s.videoWidth&&n<=s.videoHeight&&r<=s.videoFrameRate)return;let a={resizeMode:{ideal:"none"},width:{max:s.videoWidth},height:{max:s.videoHeight},frameRate:{ideal:r,max:s.videoFrameRate}};try{await t.applyConstraints(a)}catch(t){this.context.logger.info(`Could not apply constraint for video track (content = ${e})`)}}async run(){var e,t;let i;let n=this.context.videoDuplexMode===s.SdkStreamServiceType.RX||this.context.videoDuplexMode===s.SdkStreamServiceType.DUPLEX;if(this.context.videoTileController.hasStartedLocalVideoTile()?this.context.videoDuplexMode=n?s.SdkStreamServiceType.DUPLEX:s.SdkStreamServiceType.TX:this.context.videoDuplexMode=s.SdkStreamServiceType.RX,this.context.videoCaptureAndEncodeParameter=this.context.videoUplinkBandwidthPolicy.chooseCaptureAndEncodeParameters(),!this.context.videoTileController.hasStartedLocalVideoTile()){this.context.logger.info("has not started local video tile"),this.context.activeVideoInput&&(this.context.activeVideoInput=void 0,this.context.videoStreamIndex.integrateUplinkPolicyDecision([]),null===(e=this.context.meetingSessionTimingManager)||void 0===e||e.onLocalVideoRemoved());return}let a=this.context.videoTileController.getLocalVideoTile();try{i=await this.context.mediaStreamBroker.acquireVideoInputStream()}catch(e){this.context.logger.warn("could not acquire video input from current device"),this.context.videoTileController.stopLocalVideoTile()}if(this.context.enableSimulcast){let e=this.context.videoUplinkBandwidthPolicy.chooseEncodingParameters();this.context.videoStreamIndex.integrateUplinkPolicyDecision(Array.from(e.values()))}if(this.context.activeVideoInput=i,i){let e=i.getVideoTracks();if(!e||0===e.length)return;let n=this.context.meetingSessionConfiguration.credentials.attendeeId,s=new r.default(n).hasModality(r.default.MODALITY_CONTENT),o=e[0].getSettings();this.checkAndApplyVideoConstraint(s,e[0],o.width,o.height,o.frameRate);let d=this.context.audioVideoController.configuration.credentials.externalUserId;for(let t of(a.bindVideoStream(n,!0,i,o.width,o.height,null,d),e))this.logger.info(`Using video device label=${t.label} id=${t.id}`),this.context.videoDeviceInformation.current_camera_name=t.label,this.context.videoDeviceInformation.current_camera_id=t.id;null===(t=this.context.meetingSessionTimingManager)||void 0===t||t.onLocalVideoAdded()}}}t.default=o},87552:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(14118)),s=n(i(67941)),a=n(i(92220)),o=n(i(66485)),d=i(8283),l=i(24670),c=n(i(99481));class u extends c.default{constructor(e){super(e.logger),this.context=e,this.taskName="ReceiveVideoStreamIndexTask",this.isIngestionPaused=!1,this.pendingIndex=null}removeObserver(){this.context.signalingClient.removeObserver(this)}async run(){this.handleIndexFrame(this.context.indexFrame),this.context.signalingClient.registerObserver(this),this.context.removableObservers.push(this)}handleSignalingClientEvent(e){if(e.type!==o.default.ReceivedSignalFrame||e.message.type!==d.SdkSignalFrame.Type.INDEX)return;let t=e.message.index;this.context.logger.info(`received new index ${JSON.stringify(t)}`),this.handleIndexFrame(t)}pauseIngestion(){this.isIngestionPaused=!0}resumeIngestion(){this.isIngestionPaused&&(this.isIngestionPaused=!1,this.pendingIndex&&(this.context.logger.info("Resuming index ingestion with pending index"),this.handleIndexFrame(this.pendingIndex)))}handleIndexFrame(e){if(!e)return;if(this.isIngestionPaused){this.context.logger.info("Index ingestion is paused, setting most recent index as pending"),this.pendingIndex=e;return}this.pendingIndex=null;let t=this.context.audioVideoController.configuration.credentials.attendeeId;e.sources=e.sources.filter(e=>{let i=new s.default(e.attendeeId);return!(i.base()===t&&i.hasModality(s.default.MODALITY_CONTENT))});let{videoStreamIndex:i,videoDownlinkBandwidthPolicy:n,videoUplinkBandwidthPolicy:r}=this.context,a=i.allVideoSendingSourcesExcludingSelf(t);i.integrateIndexFrame(e),n.updateIndex(i),r.updateIndex(i),this.resubscribe(n,r),this.updateVideoAvailability(e),this.handleIndexVideosPausedAtSource(),e.supportedReceiveCodecIntersection.length>0&&this.handleSupportedVideoReceiveCodecIntersection(e);let o=i.allVideoSendingSourcesExcludingSelf(t);this.areVideoSourcesEqual(a,o)||this.context.audioVideoController.forEachObserver(e=>{l.Maybe.of(e.remoteVideoSourcesDidChange).map(t=>t.bind(e)(o))})}areVideoSourcesEqual(e,t){if(e.length!==t.length)return!1;let i=(e,t)=>e.attendee.attendeeId.localeCompare(t.attendee.attendeeId),n=[...e].sort(i),r=[...t].sort(i);for(let e=0;e<n.length;e++)if(n[e].attendee.attendeeId!==r[e].attendee.attendeeId)return!1;return!0}resubscribe(e,t){var i,n;let r=e.wantsResubscribe(),s=(this.context.videoDuplexMode===d.SdkStreamServiceType.TX||this.context.videoDuplexMode===d.SdkStreamServiceType.DUPLEX)&&t.wantsResubscribe(),a=r||s;if(this.logger.info(`should resubscribe: ${a} (downlink: ${r} uplink: ${s})`),!a)return;let o=e.chooseSubscriptions();this.context.videosToReceive=o.truncate(this.context.videoSubscriptionLimit),o.size()>this.context.videosToReceive.size()&&this.logger.warn(`Video receive limit exceeded. Limiting the videos to ${this.context.videosToReceive.size()}. Please consider using AllHighestVideoBandwidthPolicy or VideoPriorityBasedPolicy along with chooseRemoteVideoSources api to select the video sources to be displayed.`),this.context.videoCaptureAndEncodeParameter=t.chooseCaptureAndEncodeParameters(),this.logger.info(`trigger resubscribe for up=${s} down=${r}; videosToReceive=[${this.context.videosToReceive.array()}

18] captureParams=${JSON.stringify(this.context.videoCaptureAndEncodeParameter)}`),r&&!this.context.videosToReceive.empty()?this.context.videosToReceive.forEach(e=>{var t;let i=this.context.videoStreamIndex.groupIdForStreamId(e);void 0!==i&&(null===(t=this.context.meetingSessionTimingManager)||void 0===t||t.onRemoteVideoAdded(i))}):null===(i=this.context.meetingSessionTimingManager)||void 0===i||i.clearExpectingRemoteVideo(),null===(n=this.context.meetingSessionTimingManager)||void 0===n||n.onResubscribeStart(),this.context.audioVideoController.update({needsRenegotiation:!1})}updateVideoAvailability(e){if(!this.context.videosToReceive){this.logger.error("videosToReceive must be set in the meeting context.");return}let t=new r.default;t.remoteVideoAvailable=!this.context.videosToReceive.empty(),t.canStartLocalVideo=!e.atCapacity,this.context.lastKnownVideoAvailability&&this.context.lastKnownVideoAvailability.equal(t)||(this.context.lastKnownVideoAvailability=t.clone(),this.context.audioVideoController.forEachObserver(e=>{l.Maybe.of(e.videoAvailabilityDidChange).map(i=>i.bind(e)(t.clone()))}))}handleSupportedVideoReceiveCodecIntersection(e){if(void 0===this.context.videoSendCodecPreferences)return;let t=[],i=!1;for(let i of this.context.videoSendCodecPreferences){if(this.context.degradedVideoSendCodecs.some(e=>i.equals(e))){this.logger.info(`Skipping ${i.codecName} since the codec has been identfied as degraded`);continue}for(let n of e.supportedReceiveCodecIntersection)if(i.equals(a.default.fromSignaled(n))){t.push(i);break}}if(t.length>0){let e=t.find(e=>this.context.prioritizedSendVideoCodecCapabilities.some(t=>e.equals(t)));void 0===this.context.currentVideoSendCodec||void 0!==e&&this.context.currentVideoSendCodec.equals(e)||(i=!0),this.context.meetingSupportedVideoSendCodecPreferences=t}else this.logger.warn("Interesection of meeting receive codec support and send codec preferences has no overlap, falling back to just values provided in `setVideoCodecSendPreferences`"),this.context.meetingSupportedVideoSendCodecPreferences=void 0;this.context.videoUplinkBandwidthPolicy.setMeetingSupportedVideoSendCodecs&&this.context.videoUplinkBandwidthPolicy.setMeetingSupportedVideoSendCodecs(this.context.meetingSupportedVideoSendCodecPreferences,this.context.videoSendCodecPreferences),i&&this.context.audioVideoController.update({needsRenegotiation:!0})}handleIndexVideosPausedAtSource(){let e=this.context.videoStreamIndex.streamsPausedAtSource();for(let t of this.context.videoTileController.getAllVideoTiles()){let i=t.state();e.contain(i.streamId)?t.markPoorConnection()&&this.logger.info(`marks the tile ${i.tileId} as having a poor connection`):t.unmarkPoorConnection()&&this.logger.info(`unmarks the tile ${i.tileId} as having a poor connection`)}}}t.default=u},42561:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481));class s extends r.default{constructor(e,t,i="RunnableTask"){super(e),this.fn=t,this.taskName=i}run(){return this.fn().then(()=>{})}}t.default=s},13563:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(93661)),s=n(i(66485)),a=i(8283),o=n(i(99481));class d extends o.default{constructor(e){super(e.logger),this.context=e,this.taskName="SendAndReceiveDataMessagesTask",this.sendDataMessageHandler=(e,t,i)=>{if(this.context.signalingClient.ready()){let n;t instanceof Uint8Array?n=t:n="string"==typeof t?new TextEncoder().encode(t):new TextEncoder().encode(JSON.stringify(t)),this.validateDataMessage(e,n,i);let r=a.SdkDataMessagePayload.create();r.topic=e,r.lifetimeMs=i,r.data=n;let s=a.SdkDataMessageFrame.create();s.messages=[r],this.context.signalingClient.sendDataMessage(s)}else this.context.logger.error("Cannot send data message because signaling client is not ready")}}async run(){this.context.removableObservers.push(this),this.context.signalingClient.registerObserver(this),this.context.realtimeController.realtimeSubscribeToSendDataMessage(this.sendDataMessageHandler)}removeObserver(){this.context.realtimeController.realtimeUnsubscribeFromSendDataMessage(this.sendDataMessageHandler),this.context.signalingClient.removeObserver(this)}handleSignalingClientEvent(e){if(e.type===s.default.ReceivedSignalFrame&&e.message.type===a.SdkSignalFrame.Type.DATA_MESSAGE)for(let t of e.message.dataMessage.messages){let e=new r.default(t.ingestTimeNs/1e6,t.topic,t.data,t.senderAttendeeId,t.senderExternalUserId,0===t.ingestTimeNs);this.context.realtimeController.realtimeReceiveDataMessage(e)}}validateDataMessage(e,t,i){if(!d.TOPIC_REGEX.test(e))throw Error("Invalid topic");if(t.length>d.DATA_SIZE)throw Error("Data size has to be less than 2048 bytes");if(i&&i<0)throw Error("The life time of the message has to be non negative")}}d.TOPIC_REGEX=new RegExp(/^[a-zA-Z0-9_-]{1,36}$/),d.DATA_SIZE=2048,t.default=d},72762:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

18dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481)),s=n(i(53364));class a extends r.default{constructor(e,t,i){for(let n of(super(e),this.taskName=t,this.tasksToRunSerially=i,this.currentTask=null,i))n.setParent(this)}cancel(){this.currentTask&&(this.logger.info(`canceling serial group task ${this.name()} subtask ${this.currentTask.name()}`),this.currentTask.cancel())}async run(){for(let e of this.tasksToRunSerially){this.getStatus()===s.default.CANCELED&&this.logAndThrow(`serial group task ${this.name()} was canceled`);try{this.logger.info(`serial group task ${this.name()} running subtask ${e.name()}`),this.currentTask=e,await e.run(),this.logger.info(`serial group task ${this.name()} completed subtask ${e.name()}`)}catch(e){this.logAndThrow(`serial group task ${this.name()} was canceled due to subtask ${this.currentTask.name()} error: ${e.message}`)}finally{this.currentTask=null}}this.logger.info(`serial group task ${this.name()} completed`)}}t.default=a},45065:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340)),s=n(i(85207)),a=n(i(847)),o=n(i(99481));class d extends o.default{constructor(e){super(e.logger),this.context=e,this.taskName="SetLocalDescriptionTask"}cancel(){if(this.cancelPromise){let e=Error(`canceling ${this.name()}`);this.cancelPromise(e),delete this.cancelPromise}}async run(){let e=this.context.peer,t=this.context.sdpOfferInit.s

18dp,i=a.default.canUseHeaderExtensionApi(e);if(!i&&this.context.browserBehavior.supportsVideoLayersAllocationRtpHeaderExtension()&&(t=new s.default(t).withVideoLayersAllocationRtpHeaderExtension(this.context.previousSdpOffer).sdp),!i&&this.context.browserBehavior.supportsDependencyDescriptorRtpHeaderExtension()&&void 0!==this.context.videoUplinkBandwidthPolicy.wantsVideoDependencyDescriptorRtpHeaderExtension&&this.context.videoUplinkBandwidthPolicy.wantsVideoDependencyDescriptorRtpHeaderExtension()&&(t=new s.default(t).withDependencyDescriptorRtpHeaderExtension(this.context.previousSdpOffer).sdp),new r.default().requiresDisablingH264Encoding()&&(t=new s.default(t).removeH264SupportFromSendSection().sdp),t=new s.default(t).withStartingVideoSendBitrate(1e3).sdp,void 0!==this.context.videoSendCodecPreferences&&this.context.videoSendCodecPreferences.length>0&&(t=new s.default(t).withVideoSendCodecPreferences(void 0!==this.context.meetingSupportedVideoSendCodecPreferences?this.context.meetingSupportedVideoSendCodecPreferences:this.context.videoSendCodecPreferences).sdp),this.context.audioProfile&&(t=new s.default(t).withAudioMaxAverageBitrate(this.context.audioProfile.audioBitrateBps).sdp,this.context.audioProfile.isStereo()&&(t=new s.default(t).withStereoAudio().sdp),this.context.enableAudioRedundancy())){let e=new s.default(t).getAudioPayloadTypes(),i=this.context.encodedTransformWorkerManager.redundantAudioEncodeTransformManager();i&&i.setAudioPayloadTypes(e)}this.logger.debug(()=>`local description is >>>${t}<<<`);let n={type:"offer",sdp:t,toJSON:null};await new Promise(async(t,i)=>{var r;this.cancelPromise=e=>{i(e)};try{await e.setLocalDescription(n),null===(r=this.context.meetingSessionTimingManager)||void 0===r||r.onSetLocalDescription(),t()}catch(e){i(e)}finally{delete this.cancelPromise}}),this.context.logger.info("set local description")}}t.default=d},12450:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(67941)),s=n(i(85207)),a=n(i(92220)),o=n(i(99481));class d extends o.default{constructor(e){super(e.logger),this.context=e,this.taskName="SetRemoteDescriptionTask"}cancel(){this.cancelICEPromise&&this.cancelICEPromise()}async run(){var e;this.context.peer||this.logAndThrow("session does not have peer connection; bypass set remote description");let t=this.context.sdpAnswer;t=new s.default(t).withoutServerReflexiveCandidates().sdp,this.context.audioProfile&&(t=new s.default(t).withAudioMaxAverageBitrate(this.context.audioProfile.audioBitrateBps).sdp,this.context.audioProfile.isStereo()&&(t=new s.default(t).withStereoAudio().sdp)),void 0!==this.context.videoSendCodecPreferences&&this.context.videoSendCodecPreferences.length>0&&(t=new s.default(t).withVideoSendCodecPreferences(void 0!==this.context.meetingSupportedVideoSendCodecPreferences?this.context.meetingSupportedVideoSendCodecPreferences:this.context.videoSendCodecPreferences).sdp),this.context.prioritizedSendVideoCodecCapabilities=new s.default(t).prioritizedSendVideoCodecCapabilities(),this.context.currentVideoSendCodec=this.context.prioritizedSendVideoCodecCapabilities.length>0?this.context.prioritizedSendVideoCodecCapabilities[0]:void 0;let i=this.context.activeVideoInput;if(void 0!==i){let t=this.context.audioVideoController.configuration.credentials.attendeeId,n=new r.default(t).hasModality(r.default.MODALITY_CONTENT),s=i.getVideoTracks()[0];n&&(null===(e=this.context.currentVideoSendCodec)||void 0===e?void 0:e.codecName)===a.default.av1Main().codecName&&(s.contentHint="text",this.logger.info(`Setting content hint to text for AV1, attendee: ${t}`))}this.logger.info(`processed remote description is >>>${t}<<<`);let n={type:"answer",sdp:t,toJSON:null};try{await this.createICEConnectionCompletedPromise(n)}catch(e){throw e}}createICEConnectionCompletedPromise(e){return new Promise(async(t,i)=>{var n;let r=()=>{("connected"===this.context.peer.iceConnectionState||"completed"===this.context.peer.iceConnectionState)&&(this.context.peer.removeEventListener("iceconnectionstatechange",r),t())};

18this.cancelICEPromise=()=>{this.context.peer&&this.context.peer.removeEventListener("iceconnectionstatechange",r),i(Error(`${this.name()} got canceled while waiting for the ICE connection state`))},this.context.peer.addEventListener("iceconnectionstatechange",r);try{await this.context.peer.setRemoteDescription(e),null===(n=this.context.meetingSessionTimingManager)||void 0===n||n.onSetRemoteDescription(),this.logger.info("set remote description, waiting for ICE connection"),r()}catch(e){i(e)}})}}t.default=d},50949:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(99481));class s extends r.default{constructor(e){super(e.logger),this.context=e,this.taskName="StartEncodedTransformWorkerTask"}async run(){var e,t,i,n;if(!(null===(e=this.context.encodedTransformWorkerManager)||void 0===e?void 0:e.isEnabled())){this.context.logger.info(`${this.name()} is skipped because the worker manager is not enabled`);return}if(await this.context.encodedTransformWorkerManager.start({redundantAudio:!(null===(t=this.context.audioProfile)||void 0===t?void 0:t.hasRedundancyEnabled())}),null===(i=this.context.audioProfile)||void 0===i?void 0:i.hasRedundancyEnabled()){let e=this.context.encodedTransformWorkerManager.redundantAudioEncodeTransformManager();e&&(null===(n=this.context.audioVideoController)||void 0===n||n.addObserver(e))}let r=this.context.encodedTransformWorkerManager.metricsTransformManager();r&&(this.context.statsCollector&&r.addObserver(this.context.statsCollector),this.context.audioVideoController&&r.addObserver(this.context.audioVideoController));let s=this.context.encodedTransformWorkerManager.redundantAudioEncodeTransformManager();s&&this.context.statsCollector&&s.addObserver(this.context.statsCollector)}}t.default=s},99880:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(90176)),s=n(i(69647)),a=n(i(85207)),o=n(i(17349)),d=i(16802),l=n(i(66485)),c=n(i(37928)),u=i(8283),h=i(7472),f=n(i(99481));class m extends f.default{constructor(e){super(e.logger),this.context=e,this.taskName="SubscribeAndReceiveSubscribeAckTask",this.taskCanceler=null,this.textCompressor=new o.default(e.logger)}cancel(){this.taskCanceler&&(this.taskCanceler.cancel(),this.taskCanceler=null)}async run(){var e;let t;let i="";if(this.context.peer&&this.context.peer.localDescription&&(i=new a.default(this.context.peer.localDescription.sdp).withUnifiedPlanFormat().sdp),!this.context.enableSimulcast){let e=0,t=0;this.context.videoCaptureAndEncodeParameter&&(e=this.context.videoCaptureAndEncodeParameter.captureFrameRate(),t=this.context.videoCaptureAndEncodeParameter.encodeBitrates()[0]);let i={rid:"hi",maxBitrate:1e3*t,maxFramerate:e,active:!0};this.context.videoStreamIndex.integrateUplinkPolicyDecision([i])}let n=this.fixUpSubscriptionOrder(i,this.context.videoSubscriptions),r=this.context.videoDuplexMode===u.SdkStreamServiceType.TX||this.context.videoDuplexMode===u.SdkStreamServiceType.DUPLEX,s=i;if(void 0!==this.context.videoUplinkBandwidthPolicy.wantsVideoDependencyDescriptorRtpHeaderExtension&&this.context.videoUplinkBandwidthPolicy.wantsVideoDependencyDescriptorRtpHeaderExtension()||(s=new a.default(s).withoutDependencyDescriptorRtpHeaderExtension().sdp),this.context.serverSupportsCompression){let e=this.context.previousSdpOffer?this.context.previousSdpOffer.sdp:"";t=this.textCompressor.compress(s,e),this.context.logger.info(`Compressed the SDP message from ${s.length} to ${t.length} bytes.`),i=""}this.context.previousSdpOffer=new a.default(i);let o=new c.default(this.context.meetingSessionConfiguration.credentials.attendeeId,i,this.context.meetingSessionConfiguration.urls.audioHostURL,this.context.realtimeController.realtimeIsLocalAudioMuted(),!1,n,r,this.context.videoStreamIndex.localStreamDescriptions(),!0,t);void 0===this.context.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption||(0,d.serverSideNetworkAdaptionIsNoneOrDefault)(this.context.videoDownlinkBandwidthPolicy.getServerSideNetworkAdaption())||void 0===this.context.videoDownlinkBandwidthPolicy.getVideoPreferences||(o.videoSubscriptionConfiguration=(0,h.convertVideoPreferencesToSignalingClientVideoSubscriptionConfiguration)(this.context,n.map(e=>0===e?0:this.context.videoStreamIndex.groupIdForStreamId(e)),this.context.videoDownlinkBandwidthPolicy.getVideoPreferences())),this.context.logger.info(`sending subscribe: ${JSON.stringify(o)}`),this.context.signalingClient.subscribe(o);let l=await this.receiveSubscribeAck();null===(e=this.context.meetingSessionTimingManager)||void 0===e||e.onSubscribeAckReceived(),this.context.logger.info(`got subscribe ack: ${JSON.stringify(l)}`);let f="";l.compressedSdpAnswer&&l.compressedSdpAnswer.length?(0===(f=this.textCompressor.decompress(l.compressedSdpAnswer,this.context.previousSdpAnswerAsString)).length&&(this.context.sdpAnswer="",this.context.previousSdpAnswerAsString="",this.logAndThrow("Error occurred while trying to decompress the SDP answer.")),this.context.logger.info(`Decompressed the SDP message from ${l.compressedSdpAnswer.length} to ${f.length} bytes.`),this.context.sdpAnswer=f):this.context.sdpAnswer=l.sdpAnswer,this.context.previousSdpAnswerAsString=this.context.sdpAnswer,this.context.videoStreamIndex.integrateSubscribeAckFrame(l)}fixUpSubscriptionOrder(e,t){if(void 0===this.context.transceiverController.getMidForStreamId)return t;let i=new Map;for(let e of t){let t=this.context.transceiverController.getMidForStreamId(e);if(void 0===t){0!==e&&this.logger.warn(`Could not find MID for stream ID: ${e}`);continue}i.set(t,e)}let n=new a.default(e).mediaSections(),r=[];for(let e of n)if("video"===e.mediaType){if("recvonly"===e.direction){let t=i.get(e.mid);if(void 0===t){this.logger.warn(`Could not find stream ID for MID: ${e.mid}`);continue}r.push(t)}else r.push(0)}return this.logger.info(`Fixed up ${JSON.stringify(t)} to ${JSON.stringify(r)} (may be same))}`),r}receiveSubscribeAck(){return new Promise((e,t)=>

18{let i=this.context;class n{constructor(e){this.signalingClient=e}cancel(){this.signalingClient.removeObserver(this),t(Error("SubscribeAndReceiveSubscribeAckTask got canceled while waiting for SdkSubscribeAckFrame"))}handleSignalingClientEvent(t){if(t.isConnectionTerminated()){let e=`SubscribeAndReceiveSubscribeAckTask connection was terminated with code ${t.closeCode} and reason: ${t.closeReason}`;i.logger.warn(e);let n=s.default.TaskFailed;t.closeCode>=4500&&t.closeCode<4600&&(n=s.default.SignalingInternalServerError),i.audioVideoController.handleMeetingSessionStatus(new r.default(n),Error(e));return}t.type===l.default.ReceivedSignalFrame&&t.message.type===u.SdkSignalFrame.Type.SUBSCRIBE_ACK&&(this.signalingClient.removeObserver(this),e(t.message.suback))}}let a=new n(this.context.signalingClient);this.context.signalingClient.registerObserver(a),this.taskCanceler=a})}}t.default=m},53364:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),(n=i||(i={})).IDLE="IDLE",n.RUNNING="RUNNING",n.CANCELED="CANCELED",n.FINISHED="FINISHED",t.default=i},55159:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(71474)),s=n(i(99481));class a extends s.default{constructor(e,t,i){super(e),this.taskToRunBeforeTimeout=t,this.timeoutMs=i,this.taskName=`Timeout${this.timeoutMs}ms`,t.setParent(this)}cancel(){this.logger.info(`canceling timeout task ${this.name()} subtask ${this.taskToRunBeforeTimeout}`),this.taskToRunBeforeTimeout.cancel()}async run(){let e=new r.default(this.timeoutMs);e.start(()=>{this.logger.info(`timeout reached for task ${this.name()}`),this.taskToRunBeforeTimeout.cancel()});try{await this.taskToRunBeforeTimeout.run()}finally{e.stop()}this.logger.info(`timeout task ${this.name()} completed`)}}t.default=a},51112:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(69647)),s=n(i(99481));class a extends s.default{constructor(e){super(e.logger),this.context=e,this.taskName="WaitForAttendeePresenceTask"}cancel(){if(this.cancelPromise){let e=Error(`canceling ${this.name()} due to the meeting status code: ${r.default.NoAttendeePresent}`);this.cancelPromise(e),delete this.cancelPromise}}async run(){let e=this.context.meetingSessionConfiguration.credentials.attendeeId;return new Promise((t,i)=>{let n=(i,r,s,a,o)=>{e===i&&r&&(this.context.realtimeController.realtimeUnsubscribeToAttendeeIdPresence(n),t(),delete this.cancelPromise)};this.cancelPromise=e=>{this.context.realtimeController.realtimeUnsubscribeToAttendeeIdPresence(n),i(e)},this.context.realtimeController.realtimeSubscribeToAttendeeIdPresence(n)})}}t.default=a},847:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i,n){this.logger=e,this.browserBehavior=t,this.meetingSessionContext=i,this.encodedTransformWorkerManager=n,this._localCameraTransceiver=null,this._localAudioTransceiver=null,this.videoSubscriptions=[],this.defaultMediaStream=null,this.peer=null,this.streamIdToTransceiver=new Map,this.groupIdToTransceiver=new Map,this.handleTrack=e=>{var t;!e.receiver.transform&&(this.logger.info(`Applying video receiver transform to track ${e.track.id} not set after addTransceiver`),"video"===e.track.kind&&(null===(t=this.encodedTransformWorkerManager)||void 0===t?void 0:t.isEnabled())&&this.encodedTransformWorkerManager.setupVideoReceiverTransform(e.receiver))}}async setEncodingParameters(e){if(!this._localCameraTransceiver||"sendrecv"!==this._localCameraTransceiver.direction)return;let t=this._localCameraTransceiver.sender;if(!e||0===e.size)return;let i=Array.from(e.values()),n=t.getParameters();if(n.encodings&&0!==n.encodings.length)for(let e of n.encodings)for(let t of i)(e.rid||t.rid)&&e.rid!==t.rid||(void 0!==t.active&&(e.active=t.active),void 0!==t.maxBitrate&&(e.maxBitrate=t.maxBitrate),void 0!==t.maxFramerate&&(e.maxFramerate=t.maxFramerate),void 0!==t.scaleResolutionDownBy&&(e.scaleResolutionDownBy=t.scaleResolutionDownBy),void 0!==t.priority&&(e.priority=t.priority),void 0!==t.networkPriority&&(e.networkPriority=t.networkPriority),void 0===t.scalabilityMode||(e.scalabilityMode=t.scalabilityMode));else n.encodings=i;await t.setParameters(n)}localAudioTransceiver(){return this._localAudioTransceiver}localVideoTransceiver(){return this._localCameraTransceiver}async setVideoSendingBitrateKbps(e){if(!this._localCameraTransceiver||"sendrecv"!==this._localCameraTransceiver.direction)return;let t=this._localCameraTransceiver.sender;if(!t||e<=0)return;let i=t.getParameters();for(let t of(i.encodings||(i.encodings=[{}]),i.encodings))t.maxBitrate=1e3*e;await t.setParameters(i)}setPeer(e){this.peer=e,this.peer.addEventListener("track",this.handleTrack)}reset(){this._localCameraTransceiver=null,this._localAudioTransceiver=null,this.videoSubscriptions=[],this.defaultMediaStream=null,this.peer&&this.peer.removeEventListener("track",this.handleTrack),this.peer=null}useTransceivers(){return!!this.peer&&void 0!==this.peer.getTransceivers}hasVideoInput(){return!!this._localCameraTransceiver&&"sendrecv"===this._localCameraTransceiver.direction}trackIsVideoInput(e){return!!this._localCameraTransceiver&&(e===this._localCameraTransceiver.sender.track||e===this._localCameraTransceiver.receiver.track)}setupLocalTransceivers(){var e,t;this.useTransceivers()&&(this.defaultMediaStream||"undefined"==typeof MediaStream||(this.defaultMediaStream=new MediaStream),!this._localAudioTransceiver&&(this._localAudioTransceiver=this.peer.addTransceiver("audio",{direction:"inactive",streams:[this.defaultMediaStream]}),(null===(e=this.encodedTransformWorkerManager)||void 0===e?void 0:e.isEnabled())&&(this.encodedTransformWorkerManager.setupAudioSenderTransform(this._localAudioTransceiver.sender),this.encodedTransformWorkerManager.setupAudioReceiverTransform(this._localAudioTransceiver.receiver))),!this._localCameraTransceiver&&(this._localCameraTransceiver=this.peer.addTransceiver("video",{direction:"inactive",streams:[this.defaultMediaStream]}),this.configureLocalCameraHeaderExtensions(),(null===(t=this.encodedTransformWorkerManager)||void 0===t?void 0:t.isEnabled())&&this.encodedTransformWorkerManager.setupVideoSenderTransform(this._localCameraTransceiver.sender)))}static canUseHeaderExtensionApi(e){var t;let i=null===(t=e.getTransceivers)||void 0===t?void 0:t.call(e);

18if(!(null==i?void 0:i.length))return!1;let n=i[0];return"function"==typeof n.getHeaderExtensionsToNegotiate&&"function"==typeof n.setHeaderExtensionsToNegotiate}configureLocalCameraHeaderExtensions(){if(!i.canUseHeaderExtensionApi(this.peer))return;let e=this.meetingSessionContext?this.meetingSessionContext.videoUplinkBandwidthPolicy:void 0,t=(null==e?void 0:e.wantsVideoDependencyDescriptorRtpHeaderExtension)!==void 0&&e.wantsVideoDependencyDescriptorRtpHeaderExtension();try{let e=this._localCameraTransceiver,i=e.getHeaderExtensionsToNegotiate(),n=!1;for(let e of i)"stopped"===e.direction&&("http://www.webrtc.org/experiments/rtp-hdrext/video-layers-allocation00"===e.uri||t&&"https://aomediacodec.github.io/av1-rtp-spec/#dependency-descriptor-rtp-header-extension"===e.uri)&&(e.direction="sendrecv",n=!0);n&&e.setHeaderExtensionsToNegotiate(i)}catch(e){this.logger.warn(`Failed to configure video header extensions: ${e.message}`)}}async replaceAudioTrack(e){return this._localAudioTransceiver&&"sendrecv"===this._localAudioTransceiver.direction?(await this._localAudioTransceiver.sender.replaceTrack(e),!0):(this.logger.info("audio transceiver direction is not set up or not activated"),!1)}async setAudioInput(e){await this.setTransceiverInput(this._localAudioTransceiver,e)}async setVideoInput(e){await this.setTransceiverInput(this._localCameraTransceiver,e)}updateVideoTransceivers(e,t){if(!this.useTransceivers())return t.array();let i=this.peer.getTransceivers();return this.videoSubscriptions=[0],t=t.clone(),this.updateTransceivers(i,e,t),this.logger.debug(()=>this.debugDumpTransceivers()),this.videoSubscriptions}updateTransceivers(e,t,i){let n=i.array();for(let i of(0===e.length||e[0].stop?0!==e.length&&this.updateTransceiverWithStop(e,t,n):(this.logger.info("Updating transceivers without `stop` function"),this.updateTransceiverWithoutStop(e,t,n)),n)){let e=this.peer.addTransceiver("video",{direction:"recvonly",streams:[new MediaStream]});this.streamIdToTransceiver.set(i,e),this.groupIdToTransceiver.set(t.groupIdForStreamId(i),e),this.videoSubscriptions.push(i),this.logger.info(`adding transceiver mid: ${e.mid} subscription: ${i} direction: recvonly`)}}updateTransceiverWithStop(e,t,i){let n=1;for(let r of(this.videoSubscriptions=[0],e)){if(r===this._localCameraTransceiver||!this.transceiverIsVideo(r)||!r.mid)continue;let e=!1,s=t.streamIdForTrack("v_"+r.mid);if("inactive"!==r.direction&&void 0!==s){for(let[a,o]of i.entries())if(t.StreamIdsInSameGroup(s,o)){r.direction="recvonly",this.videoSubscriptions[n]=o,e=!0,this.streamIdToTransceiver.delete(s),this.streamIdToTransceiver.set(o,r),i.splice(a,1);break}}if(!e)for(let[e,i]of(this.videoSubscriptions[n]=0,this.logger.info(`Stopping MID: ${r.mid}, direction: ${r.direction}, current direction: ${r.currentDirection}`),r.stop(),this.streamIdToTransceiver.entries()))r.mid===i.mid&&(this.streamIdToTransceiver.delete(e),this.groupIdToTransceiver.delete(t.groupIdForStreamId(e)));n+=1}}updateTransceiverWithoutStop(e,t,i){let n=1;for(let r of e)if(r!==this._localCameraTransceiver&&this.transceiverIsVideo(r)){if(this.videoSubscriptions[n]=0,"inactive"!==r.direction){let e=t.streamIdForTrack("v_"+r.mid);if(void 0!==e){for(let[s,a]of i.entries())if(t.StreamIdsInSameGroup(e,a)){r.direction="recvonly",this.videoSubscriptions[n]=a,this.streamIdToTransceiver.delete(e),this.streamIdToTransceiver.set(a,r),i.splice(s,1);break}}}n+=1}for(let r of(n=1,e))if(r!==this._localCameraTransceiver&&this.transceiverIsVideo(r)){if("inactive"===r.direction&&i.length>0){r.direction="recvonly";let e=i.shift();this.videoSubscriptions[n]=e,this.streamIdToTransceiver.set(e,r),this.groupIdToTransceiver.set(t.groupIdForStreamId(e),r)}else if(0===this.videoSubscriptions[n])for(let[e,i]of(r.direction="inactive",this.streamIdToTransceiver.entries()))r===i&&(this.streamIdToTransceiver.delete(e),this.groupIdToTransceiver.delete(t.groupIdForStreamId(e)));n+=1}}getMidForStreamId(e){var t;return null===(t=this.streamIdToTransceiver.get(e))||void 0===t?void 0:t.mid}setStreamIdForMid(e,t){for(let[i,n]of this.streamIdToTransceiver.entries())if(n.mid===e){this.streamIdToTransceiver.delete(i),this.streamIdToTransceiver.set(t,n);return}}getMidForGroupId(e){var t,i;return null!==(i=null===(t=this.groupIdToTransceiver.get(e))||void 0===t?void 0:t.mid)&&void 0!==i?i:void 0}transceiverIsVideo(e){return e.receiver&&e.receiver.track&&"video"===e.receiver.track.kind||e.sender&&e.sender.track&&"video"===e.sender.track.kind}debugDumpTransceivers(){let e="",t=0;for(let i of this.peer.getTransceivers())this.transceiverIsVideo(i)&&(e+=`transceiver index=${t} mid=${i.mid} subscription=${this.videoSubscriptions[t]} direction=${i.direction}
19`,t+=1);return e}async setTransceiverInput(e,t){e&&(t?e.direction="sendrecv":e.direction="inactive",await e.sender.replaceTrack(t))}setAudioPayloadTypes(e){this.logger.error("setAudioPayloadTypes is deprecated. Access encodedTransformWorkerManager directly via meeting session context.")}addRedundantAudioRecoveryMetricsObserver(e){this.logger.error("addRedundantAudioRecoveryMetricsObserver is deprecated. Access encodedTransformWorkerManager directly via meeting session context.")}removeRedundantAudioRecoveryMetricsObserver(e){this.logger.error("removeRedundantAudioRecoveryMetricsObserver is deprecated. Access encodedTransformWorkerManager directly via meeting session context.")}}t.default=i},56446:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

19dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(46599));class s extends r.default{constructor(e,t,i,n){super(e,t,i,n);let r=2;this.videoQualityControlParameterMap=new Map;for(let e=0;e<s.NAME_ARR_ASCENDING.length;e++){let t=s.NAME_ARR_ASCENDING[e];this.videoQualityControlParameterMap.set(t,{rid:t,scaleResolutionDownBy:r,maxBitrate:1e3*s.BITRATE_ARR_ASCENDING[e]}),r/=2}}async setEncodingParameters(e){if(!this._localCameraTransceiver||"sendrecv"!==this._localCameraTransceiver.direction)return;let t=this._localCameraTransceiver.sender,i=Array.from(e.values());if(i.length<=0)return;let n=t.getParameters();if(n.encodings)for(let t=0;t<n.encodings.length;t++)n.encodings[t].rid===r.default.LOW_LEVEL_NAME&&this.copyEncodingParams(e.get(r.default.LOW_LEVEL_NAME),n.encodings[t]),n.encodings[t].rid===r.default.HIGH_LEVEL_NAME&&this.copyEncodingParams(e.get(r.default.HIGH_LEVEL_NAME),n.encodings[t]);else n.encodings=i;await t.setParameters(n),this.logVideoTransceiverParameters()}}s.NAME_ARR_ASCENDING=["low","hi"],s.BITRATE_ARR_ASCENDING=[300,1200],t.default=s},46599:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(847));class s extends r.default{constructor(e,t,i,n){super(e,t,i,n),this.videoQualityControlParameterMap=new Map;let r=4;for(let e=0;e<s.NAME_ARR_ASCENDING.length;e++){let t=s.NAME_ARR_ASCENDING[e];this.videoQualityControlParameterMap.set(t,{rid:t,scaleResolutionDownBy:r,maxBitrate:1e3*s.BITRATE_ARR_ASCENDING[e]}),r/=2}}async setEncodingParameters(e){if(!this._localCameraTransceiver||"sendrecv"!==this._localCameraTransceiver.direction)return;let t=this._localCameraTransceiver.sender,i=Array.from(e.values());if(i.length<=0)return;let n=t.getParameters();if(n.encodings)for(let t of n.encodings)t.rid===s.LOW_LEVEL_NAME&&this.copyEncodingParams(e.get(s.LOW_LEVEL_NAME),t),t.rid===s.MID_LEVEL_NAME&&this.copyEncodingParams(e.get(s.MID_LEVEL_NAME),t),t.rid===s.HIGH_LEVEL_NAME&&this.copyEncodingParams(e.get(s.HIGH_LEVEL_NAME),t);else n.encodings=i;await t.setParameters(n),this.logVideoTransceiverParameters()}async setVideoSendingBitrateKbps(e){}setupLocalTransceivers(){var e,t;if(this.useTransceivers()&&(this.defaultMediaStream||"undefined"==typeof MediaStream||(this.defaultMediaStream=new MediaStream),this._localAudioTransceiver||(this._localAudioTransceiver=this.peer.addTransceiver("audio",{direction:"inactive",streams:[this.defaultMediaStream]}),(null===(e=this.encodedTransformWorkerManager)||void 0===e?void 0:e.isEnabled())?(this.encodedTransformWorkerManager.setupAudioSenderTransform(this._localAudioTransceiver.sender),this.encodedTransformWorkerManager.setupAudioReceiverTransform(this._localAudioTransceiver.receiver)):this.logger.warn("Media transforms not supported, skipping audio transform setup")),!this._localCameraTransceiver)){let e=Array.from(this.videoQualityControlParameterMap.values());this._localCameraTransceiver=this.peer.addTransceiver("video",{direction:"inactive",streams:[this.defaultMediaStream],sendEncodings:e}),this.configureLocalCameraHeaderExtensions(),(null===(t=this.encodedTransformWorkerManager)||void 0===t?void 0:t.isEnabled())&&this.encodedTransformWorkerManager.setupVideoSenderTransform(this._localCameraTransceiver.sender)}}logVideoTransceiverParameters(){let e=this._localCameraTransceiver.sender.getParameters().encodings,t="simulcast: current encoding parameters \n";for(let i of e)t+=`rid=${i.rid} maxBitrate=${i.maxBitrate} active=${i.active}

19 scaleDownBy=${i.scaleResolutionDownBy} maxFrameRate = ${i.maxFramerate} 
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20(!r||("get"in r?!t.__esModule:r.writable||r.configurable))&&(r={enumerable:!0,get:function(){return t[i]}}),Object.defineProperty(e,n,r)}:function(e,t,i,n){void 0===n&&(n=i),e[n]=t[i]}),s=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),a=this&&this.__importStar||(n=function(e){return(n=Object.getOwnPropertyNames||function(e){var t=[];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[t.length]=i);return t})(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var i=n(e),a=0;a<i.length;a++)"default"!==i[a]&&r(t,e,i[a]);return s(t,e),t}),o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let d=o(i(2476)),l=o(i(87911)),c=o(i(40372)),u=o(i(26519)),h=i(94618),f=a(i(16802)),m=o(i(38163)),p=o(i(27316)),g=o(i(55725)),v=o(i(14607)),b=o(i(92056)),S=i(7472),y=o(i(64336)),C=o(i(52612));class w{constructor(){this.bandwidthEstimateKbps=0,this.usedBandwidthKbps=0,this.packetsLost=0,this.nackCount=0,this.rttMs=0}}class T{constructor(e,t=y.default.Default){this.logger=e,this.videoPriorityBasedPolicyConfig=t,this.shouldPauseTiles=!0,this.observerQueue=new Set,this.pausedBwAttendeeIds=new Set,this.wantsResubscribeObserver=void 0,this.videoPriorityBasedPolicyConfig.serverSideNetworkAdaption===f.default.Default&&(this.videoPriorityBasedPolicyConfig.serverSideNetworkAdaption=f.default.BandwidthProbingAndRemoteVideoQualityAdaption),this.reset()}reset(){this.allHighestPolicy=new g.default(""),this.optimalReceiveSet=new p.default,this.optimalReceiveStreams=[],this.optimalNonPausedReceiveStreams=[],this.subscribedReceiveSet=new p.default,this.subscribedReceiveStreams=[],this.videoPreferences=void 0,this.defaultVideoPreferences=void 0,this.shouldPauseTiles=!0,this.pausedStreamIds=new p.default,this.pausedBwAttendeeIds=new Set,this.videoPreferencesUpdated=!1,this.logCount=0,this.startupPeriod=!0,this.usingPrevTargetRate=!1,this.rateProbeState="Not Probing",this.firstEstimateTimestamp=0,this.lastUpgradeRateKbps=0,this.timeBeforeAllowSubscribeMs=T.MIN_TIME_BETWEEN_SUBSCRIBE_MS,this.lastProbeTimestamp=Date.now(),this.timeBeforeAllowProbeMs=T.MIN_TIME_BETWEEN_PROBE_MS,this.downlinkStats=new w,this.prevDownlinkStats=new w,this.probeFailed=!1,this.serverSideNetworkAdaption=this.videoPriorityBasedPolicyConfig.serverSideNetworkAdaption,this.pendingActionAfterUpdatedPreferences=!1}bindToTileController(e){this.tileController=e,this.logger.info("tileController bound")}setWantsResubscribeObserver(e){this.wantsResubscribeObserver=e}chooseRemoteVideoSources(e){var t;if(null===(t=this.videoPreferences)||void 0===t||!t.equals(e)){if(this.videoPreferences=null==e?void 0:e.clone(),!(0,f.serverSideNetworkAdaptionIsNoneOrDefault)(this.serverSideNetworkAdaption)&&(this.pendingActionAfterUpdatedPreferences=!0,void 0!==this.wantsResubscribeObserver&&(this.wantsResubscribeObserver(),this.pendingActionAfterUpdatedPreferences=!1),this.serverSideNetworkAdaption===f.default.BandwidthProbingAndRemoteVideoQualityAdaption)){let e=[];for(let t of this.videoPreferences){let i=new m.default;i.attendee=new d.default,i.attendee.attendeeId=t.attendeeId,e.push(i)}this.allHighestPolicy.chooseRemoteVideoSources(e);return}this.videoPreferencesUpdated=!0,this.logger.info(`bwe: setVideoPreferences bwe: new preferences: ${JSON.stringify(e)}`)}}updateIndex(e){this.videoIndex=e,this.serverSideNetworkAdaption===f.default.BandwidthProbingAndRemoteVideoQualityAdaption&&this.allHighestPolicy.updateIndex(e),this.videoPreferences||this.updateDefaultVideoPreferences()}updateDefaultVideoPreferences(){let e=new Set;for(let t of this.videoIndex.remoteStreamDescriptions())e.add(t.attendeeId);let t=S.VideoPreferences.prepare(),i=e.size,n=v.default.Maximum;for(let r of(i>8?n=v.default.Low:i>4&&(n=v.default.Medium),e))t.add(new b.default(r,1,n));this.defaultVideoPreferences=t.build()}updateMetrics(e){if(!this.videoIndex||this.videoIndex.allStreams().empty())return;this.prevDownlinkStats=this.downlinkStats,this.downlinkStats=new w;let t=e.getObservableMetrics();for(let i in this.downlinkStats.bandwidthEstimateKbps=t.availableIncomingBitrate/1e3,e.streamMetricReports){let t=Number.parseInt(i,10),n=e.streamMetricReports[t];n.direction===l.default.DOWNSTREAM&&n.mediaType===c.default.VIDEO&&(n.currentMetrics.hasOwnProperty("nackCount")&&(this.downlinkStats.nackCount+=e.countPerSecond("nackCount",t)),n.currentMetrics.hasOwnProperty("packetsLost")&&(this.downlinkStats.packetsLost+=e.countPerSecond("packetsLost",t)),n.currentMetrics.hasOwnProperty("bytesReceived")&&(this.downlinkStats.usedBandwidthKbps+=e.bitsPerSecond("bytesReceived",t)/1e3))}}wantsResubscribe(){let e=!1;return(0,f.serverSideNetworkAdaptionIsNoneOrDefault)(this.serverSideNetworkAdaption)||(e||(e=this.pendingActionAfterUpdatedPreferences),this.serverSideNetworkAdaption!==f.default.BandwidthProbingAndRemoteVideoQualityAdaption)?(this.calculateOptimalReceiveSet(),e||(e=!this.subscribedReceiveSet.equal(this.optimalReceiveSet)),e):e||this.allHighestPolicy.wantsResubscribe()}chooseSubscriptions(){return(0,f.serverSideNetworkAdaptionIsNoneOrDefault)(this.serverSideNetworkAdaption)||(this.pendingActionAfterUpdatedPreferences=!1,this.serverSideNetworkAdaption!==f.default.BandwidthProbingAndRemoteVideoQualityAdaption)?(this.subscribedReceiveSet.equal(this.optimalReceiveSet)||(this.lastSubscribeTimestamp=Date.now()),this.subscribedReceiveSet=this.optimalReceiveSet.clone(),this.subscribedReceiveStreams=this.optimalReceiveStreams.slice(),this.subscribedReceiveSet.clone()):this.allHighestPolicy.chooseSubscriptions()}

20addObserver(e){this.observerQueue.add(e)}removeObserver(e){this.observerQueue.delete(e)}forEachObserver(e){for(let t of this.observerQueue)e(t)}setVideoPriorityBasedPolicyConfigs(e){this.videoPriorityBasedPolicyConfig=e}calculateOptimalReceiveStreams(){var e;let t=[],i=this.videoIndex.remoteStreamDescriptions();if(0===i.length||(null===(e=this.videoPreferences)||void 0===e?void 0:e.isEmpty())){this.optimalReceiveStreams=[];return}let n=this.rateProbeState;this.cleanBwPausedTiles(i),this.handleAppPausedStreams(t,i);let r=new Map;for(let e of this.getCurrentVideoPreferences())r.set(e.attendeeId,e);let s=i.filter(e=>r.has(e.attendeeId)),a=!this.streamsWithPreferenceDidChange(s),o=!this.startupPeriod&&a;if(o&&Date.now()-this.lastSubscribeTimestamp<this.timeBeforeAllowSubscribeMs)return;for(let e of(s.sort((e,t)=>e.maxBitrateKbps===t.maxBitrateKbps?e.streamId-t.streamId:e.maxBitrateKbps-t.maxBitrateKbps),s))(0===e.avgBitrateKbps||e.avgBitrateKbps>e.maxBitrateKbps)&&(e.attendeeId.endsWith(u.default.Modality)&&e.maxBitrateKbps<100?e.maxBitrateKbps=e.avgBitrateKbps:e.avgBitrateKbps=e.maxBitrateKbps);let d=new Set;for(let e of this.getCurrentVideoPreferences()){let t;let i=s.filter(t=>t.attendeeId===e.attendeeId);if(i.length<3)continue;let n=15,r=153600;for(let s of(i.forEach(e=>{n=Math.max(n,e.maxFrameRate),r=Math.max(r,e.totalPixels())}),i.sort((t,i)=>{if(e.degradationPreference===C.default.MaintainResolution)return 2>Math.abs(t.maxFrameRate-i.maxFrameRate)?t.totalPixels()-i.totalPixels():t.maxFrameRate-i.maxFrameRate;if(e.degradationPreference===C.default.MaintainFramerate)return t.totalPixels()===i.totalPixels()?t.maxFrameRate-i.maxFrameRate:t.totalPixels()-i.totalPixels();{let e=e=>e.avgBitrateKbps*Math.pow(2,5*e.maxFrameRate/n*Math.pow(4,e.totalPixels()/r));return e(t)-e(i)}}),i)){if(void 0!==t&&(s.maxFrameRate<t.maxFrameRate&&Math.abs(t.maxFrameRate-s.maxFrameRate)>2||s.totalPixels()<t.totalPixels())){d.add(s.streamId);continue}t=s}}let l=s.filter(e=>!d.has(e.streamId));this.logger.info(`Filtered to ${JSON.stringify(l)}`);let c={targetDownlinkBitrate:0,chosenTotalBitrate:0,deltaToNextUpgrade:0};c.targetDownlinkBitrate=this.determineTargetRate();let m=this.subscribedReceiveSet.size(),p=this.downlinkStats.bandwidthEstimateKbps,g=!this.videoPriorityBasedPolicyConfig.allowSubscribe(m,p);if(this.probeFailed&&(this.probeFailed=!1,this.timeBeforeAllowSubscribeMs=T.MIN_TIME_BETWEEN_SUBSCRIBE_MS,o&&g))return;let v=this.priorityPolicy(c,l,t),b=!(0,f.serverSideNetworkAdaptionIsNoneOrDefault)(this.serverSideNetworkAdaption),S=0;if(b||this.startupPeriod||!a?(this.setProbeState("Not Probing"),this.lastUpgradeRateKbps=0):"Probing"===this.rateProbeState?S=this.handleProbe(t,c.targetDownlinkBitrate):0!==c.deltaToNextUpgrade&&(S=this.maybeOverrideOrProbe(t,c,v)),this.previousStreamsWithPreference=s,this.videoPreferencesUpdated=!1,1===S){this.logger.info(`bwe: keepSameSubscriptions stats:${JSON.stringify(this.downlinkStats)}`),this.prevTargetRateKbps=c.targetDownlinkBitrate;return}if(2===S){let e=this.calculateSubscribeRate(this.preProbeNonPausedReceiveStreams);this.optimalReceiveStreams=this.preProbeReceiveStreams.slice(),this.processBwPausedStreams(s,this.preProbeNonPausedReceiveStreams),this.logger.info("bwe: Use Pre-Probe subscription subscribedRate:"+e);return}this.optimalNonPausedReceiveStreams=t.slice();let y=this.pausedBwAttendeeIds.size;this.processBwPausedStreams(s,t),this.logger.getLogLevel()<=h.LogLevel.INFO&&(this.logCount%15==0||this.rateProbeState!==n||this.optimalReceiveStreams.length!==t.length||y!==this.pausedBwAttendeeIds.size)&&(this.logger.info(this.policyStateLogStr(i,c.targetDownlinkBitrate)),this.logCount=0),this.logCount++,this.prevTargetRateKbps=c.targetDownlinkBitrate,this.optimalReceiveStreams=t.slice()}calculateOptimalReceiveSet(){let e=new p.default;for(let t of(this.calculateOptimalReceiveStreams(),this.optimalReceiveStreams))e.add(t.streamId);if(!this.optimalReceiveSet.equal(e)){let t=this.calculateSubscribeRate(this.optimalReceiveStreams);this.logger.info(`bwe: new streamSelection: ${JSON.stringify(e)} subscribedRate:${t}`)}this.optimalReceiveSet=e}determineTargetRate(){let e=0,t=Date.now();return 0!==this.downlinkStats.bandwidthEstimateKbps?(0===this.firstEstimateTimestamp&&(this.firstEstimateTimestamp=t),this.startupPeriod&&(this.downlinkStats.bandwidthEstimateKbps>T.DEFAULT_BANDWIDTH_KBPS||this.downlinkStats.packetsLost>0||t-this.firstEstimateTimestamp>T.STARTUP_PERIOD_MS&&this.downlinkStats.bandwidthEstimateKbps<=this.prevDownlinkStats.bandwidthEstimateKbps)&&(this.startupPeriod=!1,this.prevTargetRateKbps=this.downlinkStats.bandwidthEstimateKbps),this.startupPeriod?e=T.DEFAULT_BANDWIDTH_KBPS:"Probing"===this.rateProbeState&&this.downlinkStats.usedBandwidthKbps>this.downlinkStats.bandwidthEstimateKbps&&this.downlinkStats.packetsLost<T.SPURIOUS_PACKET_LOST_THRESHOLD?(this.logger.info(`bwe: In probe state, overriding estimate ${this.downlinkStats.bandwidthEstimateKbps} with actual receive bitrate ${this.downlinkStats.usedBandwidthKbps}`),e=this.downlinkStats.usedBandwidthKbps+T.USED_BANDWIDTH_OVERRIDE_BUFFER_KBPS):e=this.downlinkStats.bandwidthEstimateKbps):e=0===this.firstEstimateTimestamp?T.DEFAULT_BANDWIDTH_KBPS:this.prevTargetRateKbps,!this.startupPeriod&&(this.usingPrevTargetRate&&this.downlinkStats.bandwidthEstimateKbps<this.prevTargetRateKbps||this.downlinkStats.bandwidthEstimateKbps<this.prevTargetRateKbps*(100-T.LARGE_RATE_CHANGE_TRIGGER_PERCENT)/100||this.downlinkStats.bandwidthEstimateKbps<this.downlinkStats.usedBandwidthKbps*T.LARGE_RATE_CHANGE_TRIGGER_PERCENT/100)&&0===this.downlinkStats.packetsLost?(this.logger.debug(()=>"bwe: ValidateRate: Using Previous rate "+this.prevTargetRateKbps),this.usingPrevTargetRate=!0,e=this.prevTargetRateKbps):this.usingPrevTargetRate=!1,e>15e3&&this.logger.warn("bwe: "+e+" exceeds maximum limit (15000). Limit TargetDisplaySize with VideoPreferences to avoid this."),Math.min(e,15e3)}setProbeState(e){if(this.rateProbeState===e)return!1;let t=Date.now();switch(e){case"Not Probing":this.probePendingStartTimestamp=0;break;case"Probe Pending":if(0!==this.lastProbeTimestamp&&!(t-this.lastProbeTimestamp>T.MIN_TIME_BETWEEN_PROBE_MS))return!1;this.probePendingStartTimestamp=t;break;case"Probing":if(!(t-this.probePendingStartTimestamp>this.timeBeforeAllowProbeMs))return!1;this.lastProbeTimestamp=t,this.preProbeReceiveStreams=this.subscribedReceiveStreams.slice(),this.preProbeNonPausedReceiveStreams=this.optimalNonPau

20sedReceiveStreams,this.timeBeforeAllowProbeMs=Math.min(2*this.timeBeforeAllowProbeMs,T.MAX_HOLD_BEFORE_PROBE_MS)}return this.logger.info("bwe: setProbeState to "+e+" from "+this.rateProbeState),this.rateProbeState=e,!0}upgradeToStream(e,t){for(let i=0;i<e.length;i++)if(e[i].groupId===t.groupId){let n=t.avgBitrateKbps-e[i].avgBitrateKbps;return this.logger.info("bwe: upgradeStream from "+JSON.stringify(e[i])+" to "+t),this.lastUpgradeRateKbps=n,e[i]=t,n}return e.push(t),this.lastUpgradeRateKbps=t.avgBitrateKbps,this.lastUpgradeRateKbps}handleProbe(e,t){if(Date.now()-this.lastProbeTimestamp>T.MAX_ALLOWED_PROBE_TIME_MS)return this.logger.info("bwe: Canceling probe due to timeout"),this.setProbeState("Not Probing"),0;if(this.downlinkStats.packetsLost>0&&(this.logger.info(`bwe: Probe encountering packets lost:${this.downlinkStats.packetsLost}`),this.downlinkStats.packetsLost>T.SPURIOUS_PACKET_LOST_THRESHOLD))return this.setProbeState("Not Probing"),this.logger.info(`bwe: Canceling probe due to packets lost:${this.downlinkStats.packetsLost}`),this.probeFailed=!0,this.timeBeforeAllowSubscribeMs=3*Math.max(T.MIN_TIME_BETWEEN_SUBSCRIBE_MS,this.timeBeforeAllowSubscribeMs),2;let i=this.calculateSubscribeRate(this.optimalReceiveStreams);return this.chosenStreamsSameAsLast(e)||t>i?(this.logger.info("bwe: Probe successful"),this.setProbeState("Not Probing"),this.timeBeforeAllowProbeMs=T.MIN_TIME_BETWEEN_PROBE_MS,0):1}maybeOverrideOrProbe(e,t,i){let n=this.chosenStreamsSameAsLast(e),r=0,s=t.targetDownlinkBitrate>T.LOW_BITRATE_THRESHOLD_KBPS?T.TARGET_RATE_CHANGE_TRIGGER_PERCENT:2*T.TARGET_RATE_CHANGE_TRIGGER_PERCENT,a=t.targetDownlinkBitrate*s/100;if(this.targetRateBaselineForDeltaCheckKbps=void 0!==this.targetRateBaselineForDeltaCheckKbps?this.targetRateBaselineForDeltaCheckKbps:this.prevTargetRateKbps,!n&&Math.abs(t.targetDownlinkBitrate-this.targetRateBaselineForDeltaCheckKbps)<a?(this.logger.info("bwe: MaybeOverrideOrProbe: Reuse last decision based on delta rate. {"+JSON.stringify(this.subscribedReceiveSet)+"}"),r=1):this.targetRateBaselineForDeltaCheckKbps=t.targetDownlinkBitrate,this.downlinkStats.packetsLost>this.prevDownlinkStats.packetsLost)return this.setProbeState("Not Probing"),this.lastUpgradeRateKbps=0,r;if(n||1===r)switch(this.rateProbeState){case"Not Probing":this.setProbeState("Probe Pending");break;case"Probe Pending":this.setProbeState("Probing")&&(this.upgradeToStream(e,i),r=0)}else this.setProbeState("Not Probing");return r}calculateSubscribeRate(e){let t=0;for(let i of e)this.pausedStreamIds.contain(i.streamId)||this.pausedBwAttendeeIds.has(i.attendeeId)||(t+=i.maxBitrateKbps);return t}handleAppPausedStreams(e,t){if(!this.tileController){this.logger.warn("tileController not found!");return}for(let i of(this.pausedStreamIds=new p.default,this.tileController.getAllRemoteVideoTiles())){let n=i.state();if(n.paused&&!this.pausedBwAttendeeIds.has(n.boundAttendeeId)){let i=t.length;for(;i--;)t[i].attendeeId===n.boundAttendeeId&&(this.logger.info("bwe: removed paused attendee "+n.boundAttendeeId+" streamId: "+t[i].streamId),this.pausedStreamIds.add(t[i].streamId),this.subscribedReceiveSet.contain(t[i].streamId)&&e.push(t[i]),t.splice(i,1))}}}processBwPausedStreams(e,t){if(!this.tileController){this.logger.warn("tileController not found!");return}let i=this.getCurrentVideoPreferences();if(i&&this.shouldPauseTiles){let n=this.tileController.getAllVideoTiles();for(let r of i){let i=this.getVideoTileForAttendeeId(r.attendeeId,n),s=(null==i?void 0:i.state().paused)||!1;if(t.some(e=>e.attendeeId===r.attendeeId))s&&this.pausedBwAttendeeIds.has(r.attendeeId)&&(this.logger.info(`bwe: unpausing attendee ${r.attendeeId} due to bandwidth`),this.forEachObserver(e=>{e.tileWillBeUnpausedByDownlinkPolicy(i.id())}),this.tileController.unpauseVideoTile(i.id()),this.pausedBwAttendeeIds.delete(r.attendeeId));else{let n=e.some(e=>e.attendeeId===r.attendeeId);if(i&&n){let e=this.optimalReceiveStreams.find(e=>e.attendeeId===r.attendeeId);void 0!==e&&(s||(this.logger.info(`bwe: pausing streamId ${e.streamId} attendee ${r.attendeeId} due to bandwidth`),this.forEachObserver(e=>{e.tileWillBePausedByDownlinkPolicy(i.id())}),this.tileController.pauseVideoTile(i.id())),t.push(e)),this.pausedBwAttendeeIds.add(r.attendeeId)}else if(n){let e=this.tileController.addVideoTile();e.bindVideoStream(r.attendeeId,!1,null,0,0,0,null),this.forEachObserver(t=>{t.tileWillBePausedByDownlinkPolicy(e.id())}

20),e.pause(),this.logger.info(`bwe: Created video tile ${e.id()} for bw paused attendee ${r.attendeeId}`),this.pausedBwAttendeeIds.add(r.attendeeId)}}}}}cleanBwPausedTiles(e){if(!this.tileController){this.logger.warn("tileController not found!");return}let t=this.tileController.getAllRemoteVideoTiles(),i=this.getCurrentVideoPreferences();for(let n of t){let t=n.state();t.boundVideoStream||(e.some(e=>e.attendeeId===t.boundAttendeeId)?void 0===i||i.some(e=>e.attendeeId===t.boundAttendeeId)||this.tileController.removeVideoTile(t.tileId):(this.tileController.removeVideoTile(t.tileId),this.logger.info(`bwe: Removed video tile ${t.tileId} for bw paused attendee ${t.boundAttendeeId}`)))}}priorityPolicy(e,t,i){let n,r;let s=this.getCurrentVideoPreferences(),a=s.highestPriority(),o=a;for(;-1!==o;){for(let a of(r=-1,s))if(a.priority===o)for(let r of t)r.attendeeId!==a.attendeeId||i.some(e=>e.groupId===r.groupId)||(e.chosenTotalBitrate+r.avgBitrateKbps<=e.targetDownlinkBitrate?(i.push(r),e.chosenTotalBitrate+=r.avgBitrateKbps):0!==e.deltaToNextUpgrade||(e.deltaToNextUpgrade=r.avgBitrateKbps,n=r));else if(a.priority>o){r=a.priority;break}for(let r of s)if(r.priority===o){for(let s of t)if(s.attendeeId===r.attendeeId){let a=i.findIndex(e=>e.groupId===s.groupId&&e.maxBitrateKbps<=s.maxBitrateKbps&&e.avgBitrateKbps<s.avgBitrateKbps);if(-1!==a){let o=s.avgBitrateKbps-i[a].avgBitrateKbps;this.hasSimulcastStreams(t,s.attendeeId,s.groupId)&&this.canUpgrade(s.avgBitrateKbps,r.targetSize,r.targetSizeToBitrateKbps(r.targetSize),s.attendeeId.endsWith(u.default.Modality))?(this.logger.info(`bwe: attendee: ${s.attendeeId} group: ${s.groupId} has simulcast and can upgrade avgBitrate: ${s.avgBitrateKbps} target: ${r.targetSizeToBitrateKbps(r.targetSize)} targetTotalBitrate: ${e.targetDownlinkBitrate}`),e.chosenTotalBitrate+o<=e.targetDownlinkBitrate?(e.chosenTotalBitrate+=o,i[a]=s):0===e.deltaToNextUpgrade&&(e.deltaToNextUpgrade=o,n=s)):this.logger.info("bwe: cannot upgrade stream quality beyond target size")}}}else if(r.priority>o)break;if(o===a&&0!==e.deltaToNextUpgrade)break;o=r}return n}getVideoTileForAttendeeId(e,t){for(let i of t)if(i.state().boundAttendeeId===e)return i;return null}canUpgrade(e,t,i,n){let r=!1;return(t===v.default.High?r=!0:!n&&e<=i?r=!0:n&&t===v.default.Medium&&e<=i&&(r=!0),r)?(this.logger.info(`bwe: canUpgrade: bitrateKbps: ${e} targetBitrateKbps: ${i}`),!0):(this.logger.info(`bwe: cannot Upgrade: bitrateKbps: ${e} targetBitrateKbps: ${i}`),!1)}hasSimulcastStreams(e,t,i){let n=0;for(let r of e)r.attendeeId===t&&r.groupId===i&&n++;return this.logger.info(`bwe: attendeeId: ${t} groupId: ${i} hasSimulcastStreams: streamCount: ${n}`),n>1}streamsWithPreferenceDidChange(e){if(void 0===this.previousStreamsWithPreference||e.length!==this.previousStreamsWithPreference.length||!0===this.videoPreferencesUpdated)return!0;for(let t of e)if(void 0===this.previousStreamsWithPreference.find(e=>e.groupId===t.groupId&&e.streamId===t.streamId&&e.maxBitrateKbps===t.maxBitrateKbps))return!0;return!1}chosenStreamsSameAsLast(e){if(this.optimalNonPausedReceiveStreams.length!==e.length)return!1;for(let t of this.optimalNonPausedReceiveStreams)if(!e.some(e=>e.streamId===t.streamId))return!1;return!0}policyStateLogStr(e,t){let i={targetBitrate:t,subscribedRate:this.calculateSubscribeRate(this.optimalReceiveStreams),probeState:this.rateProbeState,startupPeriod:this.startupPeriod},n="remoteInfos: [";for(let t of e)n+=`{grpId:${t.groupId} strId:${t.streamId} maxBr:${t.maxBitrateKbps} avgBr:${t.avgBitrateKbps}}, `;n+="]";let r=`bwe: optimalReceiveSet ${JSON.stringify(i)}
21bwe:   prev ${JSON.stringify(this.prevDownlinkStats)}
22bwe:   now  ${JSON.stringify(this.downlinkStats)}
23bwe:   ${n}
24`;return(this.pausedStreamIds.size()>0||this.pausedBwAttendeeIds.size>0)&&(r+=`bwe:   paused: app stream ids ${JSON.stringify(this.pausedStreamIds)}  bw attendees { ${Array.from(this.pausedBwAttendeeIds).join(" ")} }
25`),this.videoPreferences?r+=`bwe:   preferences: ${JSON.stringify(this.videoPreferences)}`:r+=`bwe:   default preferences: ${JSON.stringify(this.defaultVideoPreferences)}`,r}getCurrentVideoPreferences(){return this.videoPreferences||this.defaultVideoPreferences}getServerSideNetworkAdaption(){return this.serverSideNetworkAdaption}setServerSideNetworkAdaption(e){this.serverSideNetworkAdaption=e,this.setProbeState("Not Probing")}supportedServerSideNetworkAdaptions(){return[f.default.None,f.default.BandwidthProbing,f.default.BandwidthProbingAndRemoteVideoQualityAdaption]}getVideoPreferences(){let e=this.getCurrentVideoPreferences();return e||(e=S.VideoPreferences.prepare().build()),e}wantsAllTemporalLayersInIndex(){return!0}}T.DEFAULT_BANDWIDTH_KBPS=2800,T.STARTUP_PERIOD_MS=6e3,T.LARGE_RATE_CHANGE_TRIGGER_PERCENT=20,T.TARGET_RATE_CHANGE_TRIGGER_PERCENT=15,T.LOW_BITRATE_THRESHOLD_KBPS=300,T.MIN_TIME_BETWEEN_PROBE_MS=5e3,T.MIN_TIME_BETWEEN_SUBSCRIBE_MS=2e3,T.MAX_HOLD_BEFORE_PROBE_MS=3e4,T.MAX_ALLOWED_PROBE_TIME_MS=6e4,T.SPURIOUS_PACKET_LOST_THRESHOLD=2,T.USED_BANDWIDTH_OVERRIDE_BUFFER_KBPS=100,t.default=T},64336:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

25dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(16802));class s{constructor(e=0,t=0){this.networkIssueResponseDelayFactor=e,this.networkIssueRecoveryDelayFactor=t,this.currentNetworkEvent=0,this.bandwidthDecreaseTimestamp=0,this.referenceBitrate=0,this.serverSideNetworkAdaption=r.default.BandwidthProbingAndRemoteVideoQualityAdaption,e<0?e=0:e>1&&(e=1),this.networkIssueResponseDelayFactor=e,t<0?t=0:t>1&&(t=1),this.networkIssueRecoveryDelayFactor=t}allowSubscribe(e,t){let i=0,n=this.currentNetworkEvent;if(t>this.referenceBitrate)return this.currentNetworkEvent=2,this.referenceBitrate=t,!0;if(!(t<this.referenceBitrate))return this.currentNetworkEvent=0,!1;if(this.currentNetworkEvent=1,i=this.getSubscribeDelay(this.currentNetworkEvent,e),1!==n)this.bandwidthDecreaseTimestamp=Date.now();else if(Date.now()-this.bandwidthDecreaseTimestamp>i)return this.referenceBitrate=t,!0;return!1}getSubscribeDelay(e,t){let i=s.MINIMUM_DELAY_MS,n=s.MAXIMUM_DELAY_MS-s.MINIMUM_DELAY_MS,r=this.networkIssueResponseDelayFactor;return 1===e&&(i+=n*r*(1+t/10),i=Math.min(s.MAXIMUM_DELAY_MS,i)),i}}s.MINIMUM_DELAY_MS=2e3,s.MAXIMUM_DELAY_MS=8e3,s.Default=new s(0,0),s.UnstableNetworkPreset=new s(0,1),s.StableNetworkPreset=new s(1,0),t.default=s},52612:function(e,t){"use strict";var i,n;Object.defineProperty(t,"__esModule",{value:!0}),t.VideoQualityAdaptationPreference=void 0,(n=i||(t.VideoQualityAdaptationPreference=i={}))[n.Balanced=0]="Balanced",n[n.MaintainFramerate=1]="MaintainFramerate",n[n.MaintainResolution=2]="MaintainResolution",t.default=i},92796:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{create(){let e={clientWidth:400,clientHeight:300,width:400,height:300,videoWidth:400,videoHeight:300,style:{transform:""},hasAttribute:()=>!1,removeAttribute:()=>{},setAttribute:()=>{},addEventListener:()=>{},removeEventListener:()=>{},requestVideoFrameCallback:e=>0,cancelVideoFrameCallback:()=>{},srcObject:!1,paused:!0,pause:()=>{e.paused=!0},play:()=>(e.paused=!1,Promise.resolve())};return e}}t.default=i},16445:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.canvas=e,this.destroyed=!1}destroy(){this.canvas=null,this.destroyed=!0}async asCanvasImageSource(){return this.destroyed?Promise.reject("canvas buffer is destroyed"):Promise.resolve(this.canvas)}asCanvasElement(){return this.canvas}}t.default=i},2817:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(43781),s=n(i(27956)),a=n(i(40626)),o=n(i(16445)),d=n(i(25426));class l{constructor(e,t,i=new d.default,n){this.logger=e,this.stages=t,this.fr=15,this.outputMediaStream=new MediaStream,this.videoInput=document.createElement("video"),this.canvasOutput=document.createElement("canvas"),this.outputCtx=this.canvasOutput.getContext("2d"),this.canvasInput=document.createElement("canvas"),this.inputCtx=this.canvasInput.getContext("2d"),this.inputVideoStream=null,this.sourceBuffers=[],this.destBuffers=[],this.observers=new Set,this.hasStarted=!1,this.processorLatencies=new Map,this.lastMetricsTime=0,this.process=async e=>{let t;if(!this.inputVideoStream)return;let i=performance.now();this.videoInput.videoWidth&&(this.canvasInput.width!==this.videoInput.videoWidth&&(this.canvasInput.width=this.videoInput.videoWidth,this.canvasInput.height=this.videoInput.videoHeight,this.sourceBuffers[0].height=this.canvasInput.height,this.sourceBuffers[0].width=this.canvasInput.width,this.sourceBuffers[0].framerate=this.framerate),this.inputCtx.drawImage(this.videoInput,0,0));let n=[];n.push(this.sourceBuffers[0]);try{for(let e of this.processors){let t=performance.now();n=await e.process(n);let i=performance.now()-t,r=this.getProcessorName(e);this.processorLatencies.has(r)||this.processorLatencies.set(r,[]),this.processorLatencies.get(r).push(i)}this.checkMetricsReport()}catch(e){this.forEachObserver(e=>{e.processingDidFailToStart&&e.processingDidFailToStart()});return}this.destBuffers=n;try{t=await this.destBuffers[0].asCanvasImageSource()}catch(e){this.inputVideoStream&&(this.logger.info("buffers are destroyed and pipeline could not start"),this.forEachObserver(e=>{e.processingDidFailToStart&&e.processingDidFailToStart()}));return}let r=t.width,s=t.height;0===r||0===s||(this.canvasOutput.width!==r&&this.canvasOutput.height!==s&&(this.canvasOutput.width=r,this.canvasOutput.height=s),this.outputCtx.drawImage(t,0,0,r,s,0,0,r,s),this.hasStarted||(this.hasStarted=!0,this.forEachObserver(e=>{e.processingDidStart&&e.processingDidStart()})));let a=performance.now()-i,o=2e3/this.framerate-a,d=Math.max(0,1e3/this.framerate-a);o<=0&&this.forEachObserver(e=>{e.processingLatencyTooHigh&&e.processingLatencyTooHigh(a)}),await this.timer.start(d,this.process.bind(this))},this.timer=i,this.metricsCallback=n,this.lastMetricsTime=performance.now()}destroy(){if(this.stop(),this.stages)for(let e of this.stages)e.destroy();this.timer.destroy()}checkMetricsReport(){let e=performance.now();e-this.lastMetricsTime>=1e3&&(this.reportMetrics(e),this.lastMetricsTime=e)}reportMetrics(e){if(0===this.processorLatencies.size)return;let t=(e-this.lastMetricsTime)/1e3,i=Math.max(...Array.from(this.processorLatencies.values()).map(e=>e.length)),n=t>0?i/t:0,r=this.processors.map(e=>{let t=this.getProcessorName(e),i=this.processorLatencies.get(t)||[];return{averageProcessLatency:i.length>0?i.reduce((e,t)=>

25e+t,0)/i.length:0,processorName:t}});this.logger.info(`Pipeline metrics - FPS: ${n.toFixed(1)}, Processors: ${r.map(e=>`${e.processorName}: ${e.averageProcessLatency.toFixed(2)}ms`).join(", ")}`),this.metricsCallback&&this.metricsCallback({frameRate:n,processors:r}),this.processorLatencies.clear()}get framerate(){return this.fr}set framerate(e){this.fr=e<0||void 0===e?15:e}stop(){if(this.videoInput.removeEventListener("loadedmetadata",this.process),this.videoInput.srcObject=null,this.destroyInputMediaStreamAndBuffers(),this.outputMediaStream)for(let e of this.outputMediaStream.getVideoTracks())e.stop();this.hasStarted&&(this.hasStarted=!1,this.forEachObserver(e=>{e.processingDidStop&&e.processingDidStop()}))}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}async getInputMediaStream(){return this.inputVideoStream}getActiveOutputMediaStream(){return this.isOutputMediaStreamActive()||(this.outputMediaStream=this.canvasOutput.captureStream(this.framerate),this.cloneInputAudioTracksToOutput()),this.outputMediaStream}async setInputMediaStream(e){if(!e){this.stop();return}if(0===e.getVideoTracks().length){this.logger.error("No video tracks in input media stream, ignoring");return}this.inputVideoStream=e;let t=this.inputVideoStream.getVideoTracks()[0].getSettings();this.logger.info(`processing pipeline input stream settings ${JSON.stringify(t)}`),this.framerate=t.frameRate,this.canvasOutput.width=t.width,this.canvasOutput.height=t.height,this.videoInput.addEventListener("loadedmetadata",this.process),this.videoInput.srcObject=this.inputVideoStream,this.videoInput.setAttribute("playsinline","true");let i=new o.default(this.canvasInput);this.sourceBuffers.push(i),this.videoInput.load();try{await this.videoInput.play()}catch(e){this.logger.warn("Video element play() overrided by another load().")}this.cloneInputAudioTracksToOutput()}cloneInputAudioTracksToOutput(){if(!this.isOutputMediaStreamActive()||null===this.inputVideoStream){this.logger.info("Not cloning input audio tracks to output, do not have media streams ready");return}for(let e of this.outputMediaStream.getAudioTracks())this.logger.info(`Removing audio track ${e.id} from output stream`),this.outputMediaStream.removeTrack(e);for(let e of this.inputVideoStream.getAudioTracks())this.logger.info(`Adding audio track ${e.id} to output stream`),this.outputMediaStream.addTrack(e)}isOutputMediaStreamActive(){return this.outputMediaStream&&this.outputMediaStream.active}set processors(e){this.stages=e}get processors(){return this.stages}setMetricsCallback(e){this.metricsCallback=e}getProcessorName(e){if(!e){if(0===this.stages.length)return"None";e=this.stages[0]}if(e instanceof a.default)return"VideoFxProcessor";if(e instanceof s.default)switch(e.getModelType()){case r.ModelType.SELFIE_MULTICLASS:return"BackgroundSegmentationVideoFrameProcessor_Multiclass";case r.ModelType.SELFIE_GENERAL:return"BackgroundSegmentationVideoFrameProcessor_General";default:return"no-op"}return"other"}forEachObserver(e){for(let t of this.observers)setTimeout(()=>{e(t)},0)}destroyInputMediaStreamAndBuffers(){if(this.inputVideoStream)for(let e of this.inputVideoStream.getTracks())e.stop();for(let e of(this.inputVideoStream=null,this.sourceBuffers))e.destroy();this.sourceBuffers=[]}}t.default=l},25426:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.workerTimer=void 0,this.callback=void 0,this.workerTimer=this.createWorkerTimer()}createWorkerTimer(){try{let e=new Blob([`self.onmessage = async function(e){ 
26            var timerID = null;
27            const awaitTimeout = delay => new Promise( resolve => {
28              timerID = setTimeout(resolve, delay);
29            })
30            await awaitTimeout(e.data);
31            postMessage(timerID);
32          }`],{type:"application/javascript"});return new Worker(window.URL.createObjectURL(e))}catch(e){}}async start(e,t){this.callback=t,this.workerTimer?(this.workerTimer.onmessage=e=>{this.lastTimeout=e.data,this.callback()},this.workerTimer.postMessage(e)):this.lastTimeout=setTimeout(()=>{this.callback()},e)}async destroy(){this.callback=void 0,this.lastTimeout&&(clearTimeout(this.lastTimeout),this.lastTimeout=void 0),this.workerTimer&&(this.workerTimer.terminate(),this.workerTimer=void 0)}}t.default=i},56441:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

32dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340)),s=n(i(2817));class a{constructor(e,t,i,n=new r.default,a){this.logger=e,this.device=t,this.processors=i,this.browserBehavior=n,this.observers=new Set,this.metricsCallback=e=>{this.statsCollector&&this.statsCollector.videoProcessorMetricsDidReceive(e)},this.statsCollector=a,this.pipe=new s.default(this.logger,this.processors,void 0,this.metricsCallback),this.pipe.addObserver(this)}get outputMediaStream(){return this.pipe.outputMediaStream}passEventControllerToProcessors(e){if(this.pipe.processors)for(let t of this.pipe.processors)"function"==typeof t.setEventController&&t.setEventController(e)}chooseNewInnerDevice(e){let t=new a(this.logger,e,this.processors,this.browserBehavior,this.statsCollector);return t.pipe=this.pipe,t}getInnerDevice(){return this.device}async intrinsicDevice(){return this.device}async transformStream(e){return await this.pipe.setInputMediaStream(e),this.inputMediaStream=e,this.pipe.getActiveOutputMediaStream()}onOutputStreamDisconnect(){this.logger.info("DefaultVideoTransformDevice: detach stopping input media stream");let e=this.device&&this.device.id;if(this.pipe.stop(),!e&&this.inputMediaStream)for(let e of this.inputMediaStream.getVideoTracks())e.stop()}async stop(){if(this.inputMediaStream)for(let e of this.inputMediaStream.getVideoTracks())e.stop();this.pipe.destroy(),this.inputMediaStream=null}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}processingDidStart(){this.logger.info("video transform device processing started"),this.forEachObserver(e=>{e.processingDidStart&&e.processingDidStart()})}processingLatencyTooHigh(e){this.forEachObserver(t=>{t.processingLatencyTooHigh&&t.processingLatencyTooHigh(e)})}processingDidFailToStart(){this.logger.info("video transform device processing failed to start"),this.forEachObserver(e=>{e.processingDidFailToStart&&e.processingDidFailToStart()})}processingDidStop(){this.logger.info("video transform device processing stopped"),this.forEachObserver(e=>{e.processingDidStop&&e.processingDidStop()})}forEachObserver(e){for(let t of this.observers)setTimeout(()=>{e(t)},0)}setStatsCollector(e){if(this.statsCollector=e,this.pipe.setMetricsCallback(e=>{this.statsCollector&&this.statsCollector.videoProcessorMetricsDidReceive(e)}),this.pipe.processors)for(let t of this.pipe.processors)"function"==typeof t.setMetricsCollector&&t.setMetricsCollector(e)}get framerate(){return this.pipe.framerate}set framerate(e){this.pipe.framerate=e}}t.default=a},66642:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{async process(e){return e}async destroy(){}}t.default=i},16971:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.DeferredPromise=void 0;class i{constructor(){this.promise=new Promise((e,t)=>{this.resolve=e,this.reject=t})}getPromise(){return this.promise}resolvePromise(e){this.resolve(e)}resolveAndReplacePromise(e){this.resolve(e),this.promise=new Promise((e,t)=>{this.resolve=e,this.reject=t})}rejectPromise(e){this.reject(e)}rejectAndReplacePromise(e){this.reject(e),this.promise=new Promise((e,t)=>{this.resolve=e,this.reject=t})}}t.DeferredPromise=i},28704:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.VideoFxCanvasOpsManager=void 0;let n=i(600);class r{constructor(e,t){this.streamParameters=e,this.outputCanvas=t,this.configureCanvasPipeline()}getInferenceInputData(e){return this.inferenceCtx.save(),this.inferenceCtx.scale(this.horizontalResizeScalar,this.verticalResizeScalar),this.inferenceCtx.drawImage(e,0,0),this.inferenceCtx.restore(),this.inferenceCtx.getImageData(0,0,n.SEGMENTATION_MODEL.WIDTH_IN_PIXELS,n.SEGMENTATION_MODEL.HEIGHT_IN_PIXELS)}async configureForStreamParameters(e){if(this.streamParameters=e,this.outputCanvas.width=this.streamParameters.width,this.outputCanvas.height=this.streamParameters.height,this.backgroundReplacementCanvas){let e=document.createElement("canvas");e.width=this.streamParameters.width,e.height=this.streamParameters.height,e.getContext("2d").drawImage(this.backgroundReplacementCanvas,0,0,this.streamParameters.width,this.streamParameters.height),this.backgroundReplacementCanvas=e}this.configureCanvasPipeline()}configureCanvasPipeline(){this.inferenceCanvas=document.createElement("canvas"),this.inferenceCtx=this.inferenceCanvas.getContext("2d",{willReadFrequently:!0}),this.inferenceCanvas.width=n.SEGMENTATION_MODEL.WIDTH_IN_PIXELS,this.inferenceCanvas.height=n.SEGMENTATION_MODEL.HEIGHT_IN_PIXELS,this.horizontalResizeScalar=n.SEGMENTATION_MODEL.WIDTH_IN_PIXELS/this.streamParameters.width,this.verticalResizeScalar=n.SEGMENTATION_MODEL.HEIGHT_IN_PIXELS/this.streamParameters.height}

32getBackgroundReplacementCanvas(){return this.backgroundReplacementCanvas}async loadReplacementBackground(e){let t=e.backgroundReplacement.backgroundImageURL,i=e.backgroundReplacement.defaultColor;if(t)try{let e=await this.loadImage(t);this.backgroundReplacementImage=e,this.resizeAndSetReplacementImage(this.backgroundReplacementImage)}catch(e){throw this.logger.error(e),Error("Failed to set the replacement image.")}else this.resizeAndSetReplacementColor(i)}resizeAndSetReplacementImage(e){let t=document.createElement("canvas"),i=t.getContext("2d");t.width=this.streamParameters.width,t.height=this.streamParameters.height,i.drawImage(e,0,0,this.streamParameters.width,this.streamParameters.height),this.backgroundReplacementCanvas=t}resizeAndSetReplacementColor(e){let t=document.createElement("canvas"),i=t.getContext("2d");t.width=this.streamParameters.width,t.height=this.streamParameters.height,i.fillStyle=e,i.fillRect(0,0,this.streamParameters.width,this.streamParameters.height),this.backgroundReplacementCanvas=t}async loadImage(e){let t=await fetch(e).catch(e=>{throw this.logger.error(e.toString()),Error("Failed to fetch image.")}),i=await t.blob(),n=new Image;return n.src=URL.createObjectURL(i),new Promise((e,t)=>{n.onload=()=>{e(n)},n.onerror=e=>{t(e)}})}}t.VideoFxCanvasOpsManager=r},600:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.DEFAULT_VIDEO_FX_SPEC=t.FXLIB_PATH=t.WORKER_PATH=t.CDN_BASE_PATH=t.RESOURCE_CONSTRAINTS=t.SEGMENTATION_MODEL=t.DEFAULT_STREAM_PARAMETERS=t.WORKER_MSG=void 0,t.WORKER_MSG={BUILD_ENGINE_REQUEST:"BuildEngineRequest",BUILD_ENGINE_RESPONSE:"BuildEngineResponse",PERFORM_SEGMENTATION_REQUEST:"PerformSegmentationRequest",PERFORM_SEGMENTATION_RESPONSE:"PerformSegmentationResponse",PERFORM_SEGMENTATION_SAB_REQUEST:"PerformSegmentationSABRequest",PERFORM_SEGMENTATION_SAB_RESPONSE:"PerformSegmentationSABResponse",DESTROY_ASSETS_REQUEST:"DestroyAssetsRequest",DESTROY_ASSETS_RESPONSE:"DestroyAssetsResponse",CLOSE_WORKER_REQUEST:"CloseWorkerRequest"},t.DEFAULT_STREAM_PARAMETERS={FRAMES_PER_SECOND:15,WIDTH_IN_PIXEL:960,HEIGHT_IN_PIXEL:540,CHANNEL_COUNT:4},t.SEGMENTATION_MODEL={LOAD_SUCCESS:2,WIDTH_IN_PIXELS:176,HEIGHT_IN_PIXELS:160},t.RESOURCE_CONSTRAINTS={DEFAULT_PROCESSING_BUDGET_PER_FRAME:50,SEGMENTATION_DEFAULT_FRAMES_PER_SEGMENTATION:1,SEGMENTATION_SAMPLING_PERIOD_FRAME_COUNT:500,BLUR_DEFAULT_CYCLE_PERCENTAGE:10,BLUR_SAMPLING_PERIOD_FRAME_COUNT:1e3,MIN_PROCESSING_BUDGET:0,MAX_PROCESSING_BUDGET:100},t.CDN_BASE_PATH="https://static.sdkassets.chime.aws";let i="/ml_media_fx/otherassets";t.WORKER_PATH=`${i}/worker.js`,t.FXLIB_PATH=`${i}

32/fxlib.js`,t.DEFAULT_VIDEO_FX_SPEC={paths:{cdnBasePath:t.CDN_BASE_PATH,workerPath:t.WORKER_PATH,fxLibPath:t.FXLIB_PATH}}},40626:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(82872),s=i(35908),a=i(30589),o=n(i(12340)),d=n(i(19202)),l=i(76477),c=n(i(61492)),u=n(i(16445)),h=i(16971),f=i(28704),m=i(600),p=i(24642);class g{constructor(e,t=m.RESOURCE_CONSTRAINTS.DEFAULT_PROCESSING_BUDGET_PER_FRAME,i){this.logger=e,this.outputCanvas=document.createElement("canvas"),this.canvasVideoFrameBuffer=new u.default(this.outputCanvas),this.videoFxSpec=m.DEFAULT_VIDEO_FX_SPEC;try{this.validateProcessingBudgetPerFrame(t)}catch(e){throw this.logger.error(e),Error(`Cannot instantiate VideoFxProcessor due to invalid processingBudgetPerFrame of ${t}`)}i&&(this.eventController=i),this.effectConfig={backgroundBlur:{isEnabled:!1,strength:"low"},backgroundReplacement:{isEnabled:!1,backgroundImageURL:null,defaultColor:"black"}},this.segmentationRequestPromise=new h.DeferredPromise,this.segmentationRateManager=new p.VideoFxSegmentationRateManager(this.logger,t),this.streamParameters={framerate:m.DEFAULT_STREAM_PARAMETERS.FRAMES_PER_SECOND,width:m.DEFAULT_STREAM_PARAMETERS.WIDTH_IN_PIXEL,height:m.DEFAULT_STREAM_PARAMETERS.HEIGHT_IN_PIXEL,channels:m.DEFAULT_STREAM_PARAMETERS.CHANNEL_COUNT},g.isSharedArrayBufferSupported&&(this.sharedImageBuffer=new SharedArrayBuffer(m.SEGMENTATION_MODEL.WIDTH_IN_PIXELS*m.SEGMENTATION_MODEL.HEIGHT_IN_PIXELS*this.streamParameters.channels),this.sharedImageData=new Uint8ClampedArray(this.sharedImageBuffer)),this.logger.info(`VideoFx supports Shared Array Buffer: ${g.isSharedArrayBufferSupported}`),this.canvasOpsManager=new f.VideoFxCanvasOpsManager(this.streamParameters,this.outputCanvas),this.outputCanvas.width=this.streamParameters.width,this.outputCanvas.height=this.streamParameters.height,this.segmentationMask=new ImageData(this.streamParameters.width,this.streamParameters.height),this.logger.info(`VideoFxProcessor instantiated with a processingBudgetPerFrame of ${t}`)}async process(e){return e}async fxProcess(e){let t=e[0].asCanvasElement();this.didStreamParametersChange(t)&&await this.adjustProcessorForNewStreamParameters(t);try{await this.manageSegmentationMask(t)}catch(e){throw this.logger.error(e),Error("Video stream could not be processed")}return await this.renderer.render(t,this.segmentationMask),e[0]=this.canvasVideoFrameBuffer,e}async noOpProcess(e){return e}didStreamParametersChange(e){return e.width!==this.streamParameters.width||e.height!==this.streamParameters.height}async adjustProcessorForNewStreamParameters(e){this.streamParameters.width=e.width,this.streamParameters.height=e.height,await this.canvasOpsManager.configureForStreamParameters(this.streamParameters),await this.renderer.configure(this.streamParameters.width,this.streamParameters.height,this.effectConfig)}async destroy(){this.canvasVideoFrameBuffer.destroy(),this.fxLibScript&&this.fxLibScript.parentNode&&this.fxLibScript.parentNode.removeChild(this.fxLibScript),this.engineWorker&&(this.destroyedAssetsPromise=new h.DeferredPromise,this.engineWorker.postMessage({msg:m.WORKER_MSG.DESTROY_ASSETS_REQUEST}),await this.destroyedAssetsPromise.getPromise(),this.engineWorker.postMessage({msg:m.WORKER_MSG.CLOSE_WORKER_REQUEST})),this.logger.info("VideoFxProcessor destroyed.")}async manageSegmentationMask(e){try{if(this.segmentationRateManager.submitFrame(),this.segmentationRateManager.shouldApplySegmentation()){this.segmentationRateManager.startSegmentation();let t=this.canvasOpsManager.getInferenceInputData(e);this.segmentationMask=await this.generateSegmentationMask(t),this.segmentationRateManager.completeSegmentation()}}catch(e){throw this.logger.error(e.toString()),Error("Can not properly manage the returned segmentation mask")}}async generateSegmentationMask(e){g.isSharedArrayBufferSupported?(this.sharedImageData.set(e.data),this.engineWorker.postMessage({msg:m.WORKER_MSG.PERFORM_SEGMENTATION_SAB_REQUEST,payload:this.sharedImageBuffer})):this.engineWorker.postMessage({msg:m.WORKER_MSG.PERFORM_SEGMENTATION_REQUEST,payload:e},[e.data.buffer]);try{return await this.segmentationRequestPromise.getPromise()}catch(e){throw this.logger.error(e.toString()),Error("Segmentation mask could not be generated")}}cloneConfigFrom(e){return{backgroundBlur:{isEnabled:e.backgroundBlur.isEnabled,strength:e.backgroundBlur.strength},backgroundReplacement:{isEnabled:e.backgroundReplacement.isEnabled,backgroundImageURL:e.backgroundReplacement.backgroundImageURL,defaultColor:e.backgroundReplacement.defaultColor}}}setVideoFxSpec(e){e.paths&&(this.videoFxSpec.paths=e.paths)}async setEffectConfig(e){if(this.sameVideoFxConfig(e,this.effectConfig))return;let t=this.cloneConfigFrom(e);try{await this.validateEffectConfig(t)}catch(e){throw this.logger.error(e.toString()),Error("Provided effect config is invali

32d, not updating VideoFxProcessor")}t.backgroundReplacement.isEnabled&&(await this.canvasOpsManager.loadReplacementBackground(t),await this.renderer.setBackgroundReplacementCanvas(this.canvasOpsManager.getBackgroundReplacementCanvas())),await this.renderer.configure(this.streamParameters.width,this.streamParameters.height,t),this.effectConfig=t,this.effectConfig.backgroundBlur.isEnabled||this.effectConfig.backgroundReplacement.isEnabled?this.process=this.fxProcess:this.process=this.noOpProcess,this.logger.info(`VideoFxProcessor effect configuration updated to: ${JSON.stringify(this.effectConfig)}`),this.eventController&&this.publishVideoFxConfigEvent()}async validateEffectConfig(e){if(e.backgroundBlur.isEnabled&&e.backgroundReplacement.isEnabled)throw Error("Invalid VideoFx configuration: Background Blur and Background Replacement can not both be enabled");e.backgroundReplacement.isEnabled&&await this.validateReplacementConfig(e)}async validateReplacementConfig(e){if(e.backgroundReplacement.backgroundImageURL&&e.backgroundReplacement.defaultColor)throw Error("Invalid VideoFx configuration: Background Replacement can not have both an image URL and default color");if(!e.backgroundReplacement.backgroundImageURL&&!e.backgroundReplacement.defaultColor)throw Error("Invalid VideoFx configuration: Background Replacement image URL and default can not both be null/undefined");try{e.backgroundReplacement.backgroundImageURL&&await this.canvasOpsManager.loadImage(e.backgroundReplacement.backgroundImageURL)}catch(e){throw this.logger.error(e.toString()),Error("Invalid VideoFx configuration: backgroundImageURL failed to load")}let t=e.backgroundReplacement.defaultColor;if(t&&"black"!==t&&"#000000"!==t&&"#000"!==t){if(t.includes("#")&&!new RegExp(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/).test(t))throw Error(`Invalid hexadecimal color code for default replacement background: ${t}`);let e=document.createElement("canvas").getContext("2d"),i=e.fillStyle;if(e.fillStyle=t,e.fillStyle===i)throw Error(`Invalid color for default replacement background: ${t}`)}}validateProcessingBudgetPerFrame(e){if(e<m.RESOURCE_CONSTRAINTS.MIN_PROCESSING_BUDGET||e>m.RESOURCE_CONSTRAINTS.MAX_PROCESSING_BUDGET)throw Error(`Invalid resource constraint: cycle percentage must be within range of ${m.RESOURCE_CONSTRAINTS.MIN_PROCESSING_BUDGET} and ${m.RESOURCE_CONSTRAINTS.MAX_PROCESSING_BUDGET}`)}async loadAssets(){this.logger.info("Loading required assets for the VideoFxProcessor");try{let e=this.getVideoFxAssetParams();await this.loadEngineWorker(e),await this.buildEngine(e),await this.loadFxLib(e),this.renderer=constructRenderer(m.SEGMENTATION_MODEL.WIDTH_IN_PIXELS,m.SEGMENTATION_MODEL.HEIGHT_IN_PIXELS,this.effectConfig,this.outputCanvas)}catch(e){throw this.logger.error(e.toString()),Error("Failed to load necessary assets for the VideoFxProcessor")}this.logger.info("Finished loading of essential VideoFxProcessor assets.")}getVideoFxAssetParams(){let e=(0,l.getDefaultAssetSpec)();return{assetGroup:e.assetGroup,revisionID:e.revisionID,sdk:encodeURIComponent(c.default.sdkVersion),ua:encodeURIComponent(c.default.sdkUserAgentLowResolution)}}getPathFromVideoFxAssetParams(e,t){let i=new URL(e);for(let[e,n]of Object.entries(t))if(void 0!==n){let t=encodeURIComponent(e),r=encodeURIComponent(n);i.searchParams.set(t,r)}return i.toString()}async loadEngineWorker(e){try{let t=this.getPathFromVideoFxAssetParams(this.videoFxSpec.paths.cdnBasePath+this.videoFxSpec.paths.workerPath,e);this.engineWorker=await (0,s.loadWorker)(t,"VideoFxEngineWorker",{},null),this.logger.info("Successfully loaded the VideoFxProcessor's engine worker"),this.engineWorker.addEventListener("message",e=>this.engineWorkerReceiver(e))}catch(e){throw this.logger.error(e.toString()),Error("Failed to load the VideoFxProcessor's engine worker")}}async buildEngine(e){this.buildEnginePromise=new h.DeferredPromise,this.engineWorker.postMessage({msg:m.WORKER_MSG.BUILD_ENGINE_REQUEST,payload:{cdnBasePath:this.videoFxSpec.paths.cdnBasePath,sdkVersioningParams:e}});try{await this.buildEnginePromise.getPromise()}catch(e){throw this.logger.error(e.toString()),Error("Failed to instantiate the VideoFxEngine")}}async loadFxLib(e){let t=this.getPathFromVideoFxAssetParams(this.videoFxSpec.paths.cdnBasePath+this.videoFxSpec.paths.fxLibPath,e);try{let e=await (0,r.fetchWithBehavior)(t,{method:"GET",mode:"cors",credentials:"omit",redirect:"follow",referrerPolicy:"no-referrer"},{});if(!e.ok)throw Error("Fetch failed.");let i=window.URL.createObjectURL(await e.blob());await new Promise((e,t)=>

32{this.fxLibScript=document.createElement("script"),this.fxLibScript.setAttribute("src",i),this.fxLibScript.setAttribute("type","module"),this.fxLibScript.setAttribute("async","false"),this.fxLibScript.addEventListener("load",e),this.fxLibScript.addEventListener("error",t),document.body.appendChild(this.fxLibScript)})}catch(e){throw this.logger.error(e.toString()),Error("Failed to load the fxlib")}}getEffectConfig(){return this.cloneConfigFrom(this.effectConfig)}engineWorkerReceiver(e){let t=e.data;switch(t.msg){case m.WORKER_MSG.BUILD_ENGINE_RESPONSE:this.settleEngineBuildPromise(t.payload);break;case m.WORKER_MSG.PERFORM_SEGMENTATION_RESPONSE:this.settleSegmentationPromise(t.payload.output);break;case m.WORKER_MSG.PERFORM_SEGMENTATION_SAB_RESPONSE:this.settleSegmentationPromiseSAB();break;case m.WORKER_MSG.DESTROY_ASSETS_RESPONSE:this.destroyedAssetsPromise.resolvePromise();break;default:this.logger.info(`VideoFx worker received unknown event msg: ${JSON.stringify(t)}`)}}settleEngineBuildPromise(e){e!==m.SEGMENTATION_MODEL.LOAD_SUCCESS?this.buildEnginePromise.rejectPromise(Error("Failed to build VideoFxProcessor's engine")):(this.logger.info("Successfully built the VideoFxEngine"),this.buildEnginePromise.resolvePromise())}settleSegmentationPromise(e){e?this.segmentationRequestPromise.resolveAndReplacePromise(e):this.segmentationRequestPromise.rejectAndReplacePromise(Error("Failed to perform a segmentation on the input image"))}settleSegmentationPromiseSAB(){try{let e=new ImageData(new Uint8ClampedArray(this.sharedImageData),m.SEGMENTATION_MODEL.WIDTH_IN_PIXELS,m.SEGMENTATION_MODEL.HEIGHT_IN_PIXELS);this.segmentationRequestPromise.resolveAndReplacePromise(e)}catch(e){this.segmentationRequestPromise.rejectAndReplacePromise(Error("Failed to perform a segmentation with a shared array buffer on the input image"))}}setToNoOpProcess(){this.process=this.noOpProcess}static async isSupported(e=new d.default,t=!0){let i=!0,n=(t,n)=>{t&&(e.info(n),i=!1)};n("undefined"==typeof globalThis,"Browser does not have globalThis."),n(!(0,a.supportsWorker)(globalThis,e),"Browser does not support web workers."),n(!(0,a.supportsWASM)(globalThis,e),"Browser does not support wasm."),n(!document.createElement("canvas").getContext("webgl2"),"Browser does not support webgl."),n(!new o.default().isVideoFxSupportedBrowser(),"Browser is unsupported for VideoFxProcessor");let r=async()=>{if(t)try{let t=new g(e);await t.loadAssets(),await t.destroy()}catch(t){return e.info("Browser environment is unable to access the required external assets."),Promise.resolve(!1)}return Promise.resolve(!0)};return Promise.resolve(!!i&&await r())}static async create(e,t,i=m.RESOURCE_CONSTRAINTS.DEFAULT_PROCESSING_BUDGET_PER_FRAME,n){let r=new g(e,i);n&&r.setVideoFxSpec(n);try{return await r.loadAssets(),await r.setEffectConfig(t),r}catch(t){throw e.error(t.toString()),r.setToNoOpProcess(),Error("VideoFxProcessor built with support for only NoOp processing")}}setEventController(e){this.eventController?this.eventController=e:(this.eventController=e,this.publishVideoFxConfigEvent())}publishVideoFxConfigEvent(){let e={backgroundBlurEnabled:this.effectConfig.backgroundBlur.isEnabled.toString(),backgroundBlurStrength:this.effectConfig.backgroundBlur.strength,backgroundReplacementEnabled:this.effectConfig.backgroundReplacement.isEnabled.toString(),backgroundFilterVersion:2};this.eventController.publishEvent("backgroundFilterConfigSelected",e)}sameVideoFxConfig(e,t){return e.backgroundBlur.isEnabled===t.backgroundBlur.isEnabled&&e.backgroundBlur.strength===t.backgroundBlur.strength&&e.backgroundReplacement.backgroundImageURL===t.backgroundReplacement.backgroundImageURL&&e.backgroundReplacement.defaultColor===t.backgroundReplacement.defaultColor&&e.backgroundReplacement.isEnabled===t.backgroundReplacement.isEnabled}}g.isSharedArrayBufferSupported="undefined"!=typeof SharedArrayBuffer,t.default=g},24642:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.VideoFxSegmentationRateManager=void 0;let n=i(600);class r{constructor(e,t){this.logger=e,this.targetSegmentationCyclePercentage=t/100,this.frameCountOverSamplingPeriod=0,this.totalSegmentationDurationOverSamplingPeriod=0,this.samplingPeriodStartTime=performance.now(),this.framesPerSegmentation=n.RESOURCE_CONSTRAINTS.SEGMENTATION_DEFAULT_FRAMES_PER_SEGMENTATION}submitFrame(){this.frameCountOverSamplingPeriod++}shouldApplySegmentation(){return this.frameCountOverSamplingPeriod%this.framesPerSegmentation==0}startSegmentation(){this.frameSegmentationStartTime=performance.now()}completeSegmentation(){this.totalSegmentationDurationOverSamplingPeriod+=performance.now()-this.frameSegmentationStartTime,this.frameCountOverSamplingPeriod>=n.RESOURCE_CONSTRAINTS.SEGMENTATION_SAMPLING_PERIOD_FRAME_COUNT&&this.adjustFramesPerSegmentation(this.totalSegmentationDurationOverSamplingPeriod/(performance.now()-this.samplingPeriodStartTime))}adjustFramesPerSegmentation(e){e>this.targetSegmentationCyclePercentage?(this.framesPerSegmentation++,this.logger.info(`Segmentation cycle percentage above the configured maximal value. Decreasing segmentation rate to 1 segmentation per ${this.framesPerSegmentation} frames`)):this.framesPerSegmentation>1&&e<this.targetSegmentationCyclePercentage&&(this.framesPerSegmentation--,this.logger.info(`Segmentation cycle percentage below the configured maximal value. Increasing segmentation rate to 1 segmentation per ${this.framesPerSegmentation} frames`)),this.totalSegmentationDurationOverSamplingPeriod=0,this.frameCountOverSamplingPeriod=0,this.samplingPeriodStartTime=performance.now()}}t.VideoFxSegmentationRateManager=r},38163:function(e,t){"use strict";

32Object.defineProperty(t,"__esModule",{value:!0});class i{}t.default=i},27316:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.ids=new Set(e)}add(e){this.ids.add(e)}array(){return Array.from(this.ids.values()).sort((e,t)=>e-t)}contain(e){return this.ids.has(e)}forEach(e){this.ids.forEach(e)}empty(){return 0===this.ids.size}size(){return this.ids.size}equal(e){if(!e)return 0===this.ids.size;let t=this.array(),i=e.array();if(t.length!==i.length)return!1;for(let e=0;e<t.length;e++)if(t[e]!==i[e])return!1;return!0}clone(){return new i(this.array())}remove(e){this.ids.delete(e)}toJSON(){return this.array()}truncate(e){return new i(this.array().splice(0,e))}}t.default=i},35341:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(8283),s=n(i(27316)),a=n(i(86196));class o{constructor(e){this.logger=e,this.currentIndex=null,this.indexForSubscribe=null,this.indexForLastRemoteVideoUpdate=null,this.currentSubscribeAck=null,this.subscribeTrackToStreamMap=null,this.subscribeStreamToAttendeeMap=null,this.subscribeStreamToExternalUserIdMap=null,this.subscribeSsrcToStreamMap=null,this.subscribeSsrcToGroupMap=null,this.streamToAttendeeMap=null,this.groupIdToAttendeeMap=null,this.streamToExternalUserIdMap=null,this.videoStreamDescription=new a.default,this.sendVideoStreamId=0,this.videoStreamDescription.trackLabel="AmazonChimeExpressVideo",this.videoStreamDescription.streamId=2,this.videoStreamDescription.groupId=2}localStreamDescriptions(){return[this.videoStreamDescription.clone()]}convertBpsToKbps(e){return e>0&&e<1e3?1:Math.trunc(e/1e3)}remoteStreamDescriptions(){if(!this.currentIndex||!this.currentIndex.sources)return[];let e=[];return this.currentIndex.sources.forEach(t=>{let i=new a.default;i.attendeeId=t.attendeeId,i.groupId=t.groupId,i.streamId=t.streamId,i.maxBitrateKbps=t.maxBitrateKbps,i.avgBitrateKbps=this.convertBpsToKbps(t.avgBitrateBps),i.width=t.width,i.height=t.height,i.maxFrameRate=t.framerate,e.push(i)}),e}integrateUplinkPolicyDecision(e){if(e&&e.length){let t=e[0];this.videoStreamDescription.maxBitrateKbps=t.maxBitrate/1e3,this.videoStreamDescription.maxFrameRate=t.maxFramerate}}integrateIndexFrame(e){if(this.currentIndex=e,!e)return;let t=new Map,i=!1;for(let n of e.sources){if(!t.has(n.attendeeId)){t.set(n.attendeeId,n.groupId);continue}let e=t.get(n.attendeeId);e<n.groupId&&(this.logger.warn(`Old group ID ${e} found for attendee ID ${n.attendeeId}, replacing with newer group ID ${n.groupId}`),t.set(n.attendeeId,n.groupId)),i=!0}i&&(this.currentIndex.sources=this.currentIndex.sources.filter(e=>t.get(e.attendeeId)===e.groupId)),this.streamToAttendeeMap=null,this.groupIdToAttendeeMap=null,this.streamToExternalUserIdMap=null}subscribeFrameSent(){this.indexForSubscribe=this.currentIndex}remoteVideoUpdateSent(){this.indexForLastRemoteVideoUpdate=this.currentIndex}integrateSubscribeAckFrame(e){this.currentSubscribeAck=e,this.subscribeTrackToStreamMap=this.buildTrackToStreamMap(this.currentSubscribeAck),this.subscribeSsrcToStreamMap=this.buildSSRCToStreamMap(this.currentSubscribeAck),this.subscribeSsrcToGroupMap=this.buildSSRCToGroupMap(this.currentSubscribeAck),this.subscribeStreamToAttendeeMap=this.buildStreamToAttendeeMap(this.indexForSubscribe),this.subscribeStreamToExternalUserIdMap=this.buildStreamExternalUserIdMap(this.indexForSubscribe),this.sendVideoStreamId=0,e.allocations&&void 0!==e.allocations&&e.allocations.length>0&&(this.sendVideoStreamId=e.allocations[0].streamId)}integrateBitratesFrame(e){if(this.currentIndex)for(let t of e.bitrates){let e=this.currentIndex.sources.find(e=>e.streamId===t.sourceStreamId);void 0!==e&&(e.avgBitrateBps=t.avgBitrateBps)}}allStreams(){let e=new s.default;if(this.currentIndex)for(let t of this.currentIndex.sources)e.add(t.streamId);return e}allVideoSendingSourcesExcludingSelf(e){let t=[],i=new Set;if(this.currentIndex&&this.currentIndex.sources&&this.currentIndex.sources.length)for(let n of this.currentIndex.sources){let{attendeeId:s,externalUserId:a,mediaType:o}=n;s===e||o!==r.SdkStreamMediaType.VIDEO||i.has(s)||(t.push({attendee:{attendeeId:s,externalUserId:a}}),i.add(s))}return t}streamSelectionUnderBandwidthConstraint(e,t,i,n){let a=new Set;if(this.currentIndex)for(let n of this.currentIndex.sources)n.attendeeId!==e&&n.mediaType===r.SdkStreamMediaType.VIDEO&&(t.has(n.attendeeId)||i.has(n.attendeeId)||a.add(n.attendeeId));let o=this.buildAttendeeToSortedStreamDescriptorMapExcludingSelf(e),d=new Map,l=0;o.forEach((e,t)=>{d.set(t,e[0]),l+=e[0].maxBitrateKbps}),l=this.trySelectHighBitrateForAttendees(o,t,l,n,d),this.trySelectHighBitrateForAttendees(o,a,l,n,d);let c=new s.default;for(let e of d.values())c.add(e.streamId);return c}highestQualityStreamFromEachGroupExcludingSelf(e){let t=new s.default;if(this.currentIndex){let i=new Map;for(let t of this.currentIndex.sources)t.attendeeId!==e&&t.mediaType===r.SdkStreamMediaType.VIDEO&&(!i.has(t.groupId)||t.max

32BitrateKbps>i.get(t.groupId).maxBitrateKbps)&&i.set(t.groupId,t);for(let e of i.values())t.add(e.streamId)}return t}numberOfVideoPublishingParticipantsExcludingSelf(e){return this.highestQualityStreamFromEachGroupExcludingSelf(e).array().length}numberOfParticipants(){return this.currentIndex.numParticipants?this.currentIndex.numParticipants:-1}attendeeIdForTrack(e){let t=this.streamIdForTrack(e);return void 0!==t&&this.subscribeStreamToAttendeeMap?this.subscribeStreamToAttendeeMap.get(t)||(this.logger.info(`track ${e} (stream ${t}) does not correspond to a known attendee`),""):(this.logger.warn(`no attendee found for track ${e}`),"")}externalUserIdForTrack(e){let t=this.streamIdForTrack(e);return void 0!==t&&this.subscribeStreamToExternalUserIdMap?this.subscribeStreamToExternalUserIdMap.get(t)||(this.logger.info(`track ${e} (stream ${t}) does not correspond to a known externalUserId`),""):(this.logger.warn(`no external user id found for track ${e}`),"")}attendeeIdForStreamId(e){if(!this.streamToAttendeeMap){if(!this.currentIndex)return"";this.streamToAttendeeMap=this.buildStreamToAttendeeMap(this.currentIndex)}return this.streamToAttendeeMap.get(e)||(this.logger.info(`stream ID ${e} does not correspond to a known attendee`),"")}attendeeIdForGroupId(e){if(!this.groupIdToAttendeeMap){if(!this.currentIndex)return"";this.groupIdToAttendeeMap=this.buildGroupIdToAttendeeMap(this.currentIndex)}return this.groupIdToAttendeeMap.get(e)||(this.logger.info(`group ID ${e} does not correspond to a known attendee`),"")}groupIdForStreamId(e){if(this.currentIndex&&this.currentIndex.sources){for(let t of this.currentIndex.sources)if(t.streamId===e)return t.groupId;if(this.indexForSubscribe){for(let t of this.indexForSubscribe.sources)if(t.streamId===e)return t.groupId}if(this.indexForLastRemoteVideoUpdate){for(let t of this.indexForLastRemoteVideoUpdate.sources)if(t.streamId===e)return t.groupId}}}StreamIdsInSameGroup(e,t){return this.groupIdForStreamId(e)===this.groupIdForStreamId(t)}streamIdForTrack(e){if(this.subscribeTrackToStreamMap)return this.subscribeTrackToStreamMap.get(e)}streamIdForSSRC(e){if(this.subscribeSsrcToStreamMap)return this.subscribeSsrcToStreamMap.get(e)}overrideStreamIdMappings(e,t){if(this.subscribeTrackToStreamMap){for(let[i,n]of this.subscribeTrackToStreamMap.entries())if(e===n){this.subscribeTrackToStreamMap.set(i,t);break}}if(this.subscribeSsrcToStreamMap){for(let[i,n]of this.subscribeSsrcToStreamMap.entries())if(e===n){this.subscribeSsrcToStreamMap.set(i,t);break}}}groupIdForSSRC(e){if(this.subscribeSsrcToGroupMap)return this.subscribeSsrcToGroupMap.get(e)}streamsPausedAtSource(){let e=new s.default;if(this.currentIndex)for(let t of this.currentIndex.pausedAtSourceIds)e.add(t);return e}sendVideoStreamIdFromRid(e){return this.sendVideoStreamId}buildTrackToStreamMap(e){let t=new Map;for(let i of(this.logger.debug(()=>`trackMap ${JSON.stringify(e.tracks)}`),e.tracks))i.trackLabel.length>0&&i.streamId>0&&t.set(i.trackLabel,i.streamId);return t}buildSSRCToStreamMap(e){let t=new Map;for(let i of(this.logger.debug(()=>`ssrcMap ${JSON.stringify(e.tracks)}`),e.tracks))i.trackLabel.length>0&&i.streamId>0&&t.set(i.ssrc,i.streamId);return t}buildSSRCToGroupMap(e){let t=new Map;for(let i of e.tracks)i.trackLabel.length>0&&i.streamId>0&&t.set(i.ssrc,this.groupIdForStreamId(i.streamId));return t}buildStreamToAttendeeMap(e){let t=new Map;if(e)for(let i of e.sources)t.set(i.streamId,i.attendeeId);return t}buildGroupIdToAttendeeMap(e){let t=new Map;for(let i of e.sources)t.set(i.groupId,i.attendeeId);return t}buildStreamExternalUserIdMap(e){let t=new Map;if(e)for(let i of e.sources)i.externalUserId&&t.set(i.streamId,i.externalUserId);return t}trySelectHighBitrateForAttendees(e,t,i,n,r){for(let s of t){if(i>=n)break;if(e.has(s)){for(let t of e.get(s).reverse())if(i-r.get(s).maxBitrateKbps+t.maxBitrateKbps<n){i=i-r.get(s).maxBitrateKbps+t.maxBitrateKbps,r.set(s,t);break}}}return i}buildAttendeeToSortedStreamDescriptorMapExcludingSelf(e){let t=new Map;if(this.currentIndex)for(let i of this.currentIndex.sources)i.attendeeId!==e&&i.mediaType===r.SdkStreamMediaType.VIDEO&&(t.has(i.attendeeId)?t.get(i.attendeeId).push(i):t.set(i.attendeeId,[i]));return t.forEach((e,t)=>{e.sort((e,t)=>

32e.maxBitrateKbps>t.maxBitrateKbps?1:e.maxBitrateKbps<t.maxBitrateKbps?-1:0)}),t}}t.default=o},30481:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=i(8283),s=n(i(35341)),a=n(i(86196));class o extends s.default{constructor(){super(...arguments),this.streamIdToBitrateKbpsMap=new Map,this._localStreamInfos=[],this._sendRidToVideoStreamIdMap=new Map}localStreamDescriptions(){let e=[];return this._localStreamInfos.forEach(t=>{e.push(t.clone())}),e}integrateUplinkPolicyDecision(e){let t=!0,i=0;for(let n=0;n<e.length;n++){let r=e[n].maxBitrate/1e3,s=e[n].maxFramerate;if(!t||n===this._localStreamInfos.length){t=!1;let o=new a.default;o.maxBitrateKbps=r,o.maxFrameRate=s,o.disabledByUplinkPolicy=0===r,o.rid=e[n].rid,0!==r&&(o.timeEnabled=Date.now()),this._localStreamInfos.push(o),i++;continue}0===this._localStreamInfos[i].maxBitrateKbps&&r>0&&(this._localStreamInfos[i].timeEnabled=Date.now()),this._localStreamInfos[i].maxBitrateKbps=r,this._localStreamInfos[i].maxFrameRate=s,this._localStreamInfos[i].disabledByUplinkPolicy=0===r,i++}t&&this._localStreamInfos.splice(i)}integrateBitratesFrame(e){super.integrateBitratesFrame(e);let t=new Set,i=new Set(this.streamIdToBitrateKbpsMap.keys());for(let i of e.bitrates)t.add(i.sourceStreamId),this.streamIdToBitrateKbpsMap.set(i.sourceStreamId,this.convertBpsToKbps(i.avgBitrateBps));for(let e of i)t.has(e)||(this.streamIdToBitrateKbpsMap.get(e)===o.UNSEEN_STREAM_BITRATE?this.streamIdToBitrateKbpsMap.set(e,o.RECENTLY_INACTIVE_STREAM_BITRATE):this.streamIdToBitrateKbpsMap.set(e,o.NOT_SENDING_STREAM_BITRATE));this.logLocalStreamDescriptions()}logLocalStreamDescriptions(){let e="";for(let t of this._localStreamInfos)e+=`streamId=${t.streamId} maxBitrate=${t.maxBitrateKbps} disabledByUplink=${t.disabledByUplinkPolicy}
33`;this.logger.debug(()=>e)}integrateIndexFrame(e){super.integrateIndexFrame(e);let t=new Set,i=new Set(this.streamIdToBitrateKbpsMap.keys());for(let e of this.currentIndex.sources)e.mediaType===r.SdkStreamMediaType.VIDEO&&(t.add(e.streamId),this.streamIdToBitrateKbpsMap.has(e.streamId)||this.streamIdToBitrateKbpsMap.set(e.streamId,o.UNSEEN_STREAM_BITRATE));for(let e of i)t.has(e)||this.streamIdToBitrateKbpsMap.delete(e)}integrateSubscribeAckFrame(e){if(super.integrateSubscribeAckFrame(e),!e.allocations||void 0===e.allocations)return;let t=0;for(let i of(this._sendRidToVideoStreamIdMap.clear(),e.allocations)){if(this._localStreamInfos.length<t+1){this.logger.info("simulcast: allocation has more than number of local streams");break}this._localStreamInfos[t].groupId=i.groupId,this._localStreamInfos[t].streamId=i.streamId,this.streamIdToBitrateKbpsMap.has(i.streamId)||this.streamIdToBitrateKbpsMap.set(i.streamId,o.UNSEEN_STREAM_BITRATE),this._sendRidToVideoStreamIdMap.set(this._localStreamInfos[t].rid,i.streamId),t++}}sendVideoStreamIdFromRid(e){let t=0;return this._sendRidToVideoStreamIdMap.has(e)&&(t=this._sendRidToVideoStreamIdMap.get(e)),t}}o.UNSEEN_STREAM_BITRATE=-2,o.RECENTLY_INACTIVE_STREAM_BITRATE=-1,o.NOT_SENDING_STREAM_BITRATE=0,o.BitratesMsgFrequencyMs=4e3,t.default=o},86196:function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});let n=i(8283);class r{constructor(e,t,i,n,r){this.attendeeId="",this.groupId=0,this.streamId=0,this.ssrc=0,this.trackLabel="",this.maxBitrateKbps=0,this.avgBitrateKbps=0,this.maxFrameRate=0,this.width=0,this.height=0,this.timeEnabled=0,this.disabledByWebRTC=!1,this.disabledByUplinkPolicy=!1,this.rid="",this.attendeeId=e,this.groupId=t,this.streamId=i,this.maxBitrateKbps=n,this.avgBitrateKbps=r}clone(){let e=new r;return e.attendeeId=this.attendeeId,e.groupId=this.groupId,e.streamId=this.streamId,e.ssrc=this.ssrc,e.trackLabel=this.trackLabel,e.maxBitrateKbps=this.maxBitrateKbps,e.avgBitrateKbps=this.avgBitrateKbps,e.maxFrameRate=this.maxFrameRate,e.timeEnabled=this.timeEnabled,e.disabledByUplinkPolicy=this.disabledByUplinkPolicy,e.width=this.width,e.height=this.height,e}toStreamDescriptor(){let e=n.SdkStreamDescriptor.create();return e.mediaType=n.SdkStreamMediaType.VIDEO,e.trackLabel=this.trackLabel,e.attendeeId=this.attendeeId,e.streamId=this.streamId,e.groupId=this.groupId,e.framerate=this.maxFrameRate,e.maxBitrateKbps=this.disabledByU

33plinkPolicy?0:this.maxBitrateKbps,e.avgBitrateBps=this.avgBitrateKbps,e}totalPixels(){return this.width*this.height}}t.default=r},14284:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(88386));class s{constructor(){this.observerQueue=new Set,this.element=null,this.frameMonitor=new r.default,this.resizeObserver=new ResizeObserver(e=>{for(let t of e){let{width:e,height:i}=t.contentRect;for(let t of this.observerQueue)t.videoElementResolutionChanged(e,i)}})}registerObserver(e){this.observerQueue.add(e)}removeObserver(e){this.observerQueue.delete(e)}bindVideoElement(e){this.element!==e&&(this.element&&(this.resizeObserver.unobserve(this.element),this.frameMonitor.stop()),this.element=e,this.element&&(this.resizeObserver.observe(this.element),this.frameMonitor.start(this.element,{firstVideoElementFrameDidRender:e=>{var t;for(let i of this.observerQueue)null===(t=i.videoElementFirstFrameDidRender)||void 0===t||t.call(i,e)},videoElementFrameMetricsDidReceive:e=>{var t;for(let i of this.observerQueue)null===(t=i.videoElementMetricsDidReceive)||void 0===t||t.call(i,e)}})))}}t.default=s},6476:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340)),s=n(i(67941)),a=n(i(81993));class o{static connectVideoStreamToVideoElement(e,t,i){let n=i&&"environment"!==e.getVideoTracks()[0].getSettings().facingMode?"rotateY(180deg)":"";if(o.setVideoElementFlag(t,"disablePictureInPicture",i),o.setVideoElementFlag(t,"disableRemotePlayback",i),t.style.transform!==n&&(t.style.transform=n),t.hasAttribute("controls")&&t.removeAttribute("controls"),t.hasAttribute("autoplay")||t.setAttribute("autoplay","true"),t.hasAttribute("playsinline")||t.setAttribute("playsinline","true"),t.hasAttribute("muted")||(t.setAttribute("muted","true"),t.muted=!0),t.srcObject!==e&&(t.srcObject=e,new r.default().requiresVideoPlayWorkaround()&&t.paused)){let e=t.play();void 0!==e&&e.catch(e=>{console.warn("Error playing video in Safari",e)}).then(()=>{console.debug("Video played successfully in Safari")})}}static disconnectVideoStreamFromVideoElement(e,t,i=!1){if(e){if(t)i||(e.srcObject=null,e.style.transform="");else{if(!e.srcObject)return;e.pause(),e.style.transform="",o.setVideoElementFlag(e,"disablePictureInPicture",!1),o.setVideoElementFlag(e,"disableRemotePlayback",!1),e.srcObject=null}}}constructor(e,t,i,n,r){this.tileController=i,this.devicePixelRatioMonitor=n,this.resolutionMonitor=r,this.tileState=new a.default,this.tileState.tileId=e,this.tileState.localTile=t,this.devicePixelRatioMonitor.registerObserver(this)}destroy(){this.devicePixelRatioMonitor.removeObserver(this),this.tileState.boundVideoElement&&this.tileState.boundVideoElement.srcObject===this.tileState.boundVideoStream&&o.disconnectVideoStreamFromVideoElement(this.tileState.boundVideoElement,!1),this.tileState=new a.default}devicePixelRatioChanged(e){this.tileState.devicePixelRatio=e,this.sendTileStateUpdate()}id(){return this.tileState.tileId}state(){return this.tileState.clone()}stateRef(){return this.tileState}bindVideoStream(e,t,i,n,r,a,o,d){let l=!1;this.tileState.boundAttendeeId!==e&&(this.tileState.boundAttendeeId=e,new s.default(e).hasModality(s.default.MODALITY_CONTENT)&&(this.tileState.isContent=!0),l=!0),this.tileState.boundExternalUserId!==o&&(this.tileState.boundExternalUserId=o,l=!0),this.tileState.localTile!==t&&(this.tileState.localTile=t,l=!0),this.tileState.boundVideoStream!==i&&(this.tileState.boundVideoStream=i,l=!0),this.tileState.videoStreamContentWidth!==n&&(this.tileState.videoStreamContentWidth=n,l=!0),this.tileState.videoStreamContentHeight!==r&&(this.tileState.videoStreamContentHeight=r,l=!0),this.tileState.streamId!==a&&(this.tileState.streamId=a,l=!0),this.tileState.groupId!==d&&(this.tileState.groupId=d,l=!0),l&&this.sendTileStateUpdate()}bindVideoElement(e){var t;let i=!1;this.tileState.boundVideoElement!==e&&(this.tileState.boundVideoElement=e,null===(t=this.resolutionMonitor)||void 0===t||t.bindVideoElement(this.tileState.boundVideoElement),i=!0),null!==this.tileState.boundVideoElement?(this.tileState.videoElementCSSWidthPixels!==e.clientWidth&&(this.tileState.videoElementCSSWidthPixels=e.clientWidth,i=!0),this.tileState.videoElementCSSHeightPixels!==e.clientHeight&&(this.tileState.videoElementCSSHeightPixels=e.clientHeight,i=!0)):(this.tileState.videoElementCSSWidthPixels=null,this.tileState.videoElementCSSHeightPixels=null),i&&this.sendTileStateUpdate()}pause(){this.tileState.paused||(this.tileState.paused=!0,this.sendTileStateUpdate())}unpause(){this.tileState.paused&&(this.tileState.paused=!1,this.sendTileStateUpdate())}markPoorConnection(){return!this.tileState.poorConnection&&(this.tileState.poorConnection=!0,this.sendTileStateUpdate(),!0)}unmarkPoorConnection(){return!!this.tileState.poorConnection&&(this.tileState.poorConnection=!1,this.sendTileStateUpdate(),!0)}capture(){if(!this.tileState.active)return null;let e=document.createElement("canvas"),t=this.tileState.boundVideoElement;e.width=t.videoWidth||t.width,e.height=t.videoHeight||t.height;let i=e.getContext("2d");return i.drawImage(t,0,0,e.width,e.height),i.getImageData(0,0,e.width,e.height)}setStreamId(e){this.tileState.streamId=e,this.tileController.sendTileStateUpdate(this.state())}sendTileStateUpdate(){this.updateActiveState(),this.updateVideoStreamOnVideoElement(),this.updateVideoElementPhysicalPixels(),this.tileController.sendTileStateUpdate(this.state())}updateActiveState(){this.tileState.active=!!(!this.tileState.paused&&!this.tileState.poorConnection&&this.tileState.boundAttendeeId&&this.tileState.boundVideoElement&&this.tileState.boundVideoStream)}updateVideoElementPhysicalPixels(){"number"==typeof this.tileState.videoElementCSSWidthPixels&&"number"==typeof this.tileState.videoElementCSSHeightPixels?(this.tileState.videoElementPhysicalWidthPixels=this.tileState.devicePixelRatio*this.tileState.videoElementCSSWidthPixels,this.tileState.videoElementPhysicalHeightPixels=this.tileState.devicePixelRatio*this.tileState.videoElementCSSHeightPixels):(this.tileState.videoElementPhysicalWidthPixels=null,this.tileState.videoElementPhysicalHeightPixels=null)}updateVideoStreamOnVideoElement(){this.tileState.active?o.connectVideoStreamToVideoElement(this.tileState.boundVideoStream,this.tileState.boundVideoElement,this.tileState.localTile):o.disconnectVideoStreamFromVideoElement(this.tileState.boundVideoElement,this.tileState.paused,this.tileController.keepLastFrameWhenPaused)}static setVideoElementFlag(e,t,i){t in e&&(e[t]=i)}}t.default=o},88386:function(e,t){"use strict";

33Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.element=null,this.observer=null,this.firstFrameRendered=!1,this.videoFrameCallbackId=null,this.metricsCallbackId=null,this.frameCount=0,this.metricsWindowStartMs=0,this.resizeListener=null}get supportsVideoFrameCallback(){return null!==this.element&&"requestVideoFrameCallback"in this.element}start(e,t){this.stop(),this.element=e,this.observer=t,this.firstFrameRendered=!1,this.startFirstFrameDetection()}stop(){this.element&&(this.stopMetricsTracking(),null!==this.videoFrameCallbackId&&(this.element.cancelVideoFrameCallback(this.videoFrameCallbackId),this.videoFrameCallbackId=null),this.resizeListener&&(this.element.removeEventListener("resize",this.resizeListener),this.resizeListener=null),this.element=null,this.observer=null)}startFirstFrameDetection(){this.supportsVideoFrameCallback?this.videoFrameCallbackId=this.element.requestVideoFrameCallback((e,t)=>{this.videoFrameCallbackId=null,this.onFirstFrame(t)}):(this.resizeListener=()=>{this.element.videoWidth>0&&this.element.videoHeight>0&&(this.element.removeEventListener("resize",this.resizeListener),this.resizeListener=null,this.onFirstFrame())},this.element.addEventListener("resize",this.resizeListener))}onFirstFrame(e){var t,i;!this.firstFrameRendered&&(this.firstFrameRendered=!0,null===(i=null===(t=this.observer)||void 0===t?void 0:t.firstVideoElementFrameDidRender)||void 0===i||i.call(t,e),this.supportsVideoFrameCallback&&this.startMetricsTracking())}startMetricsTracking(){this.frameCount=0,this.metricsWindowStartMs=Date.now(),this.scheduleMetricsCallback()}scheduleMetricsCallback(){this.element&&(this.metricsCallbackId=this.element.requestVideoFrameCallback(()=>{var e,t;this.frameCount++;let n=Date.now(),r=n-this.metricsWindowStartMs;if(r>=i.METRICS_INTERVAL_MS){let i=Math.round(1e3*this.frameCount/r);null===(t=null===(e=this.observer)||void 0===e?void 0:e.videoElementFrameMetricsDidReceive)||void 0===t||t.call(e,{fps:i,timestampMs:n}),this.frameCount=0,this.metricsWindowStartMs=n}this.scheduleMetricsCallback()}))}stopMetricsTracking(){null!==this.metricsCallbackId&&this.element&&"cancelVideoFrameCallback"in this.element&&(this.element.cancelVideoFrameCallback(this.metricsCallbackId),this.metricsCallbackId=null),this.frameCount=0,this.metricsWindowStartMs=0}}i.METRICS_INTERVAL_MS=1e3,t.default=i},81993:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.tileId=null,this.localTile=!1,this.localTileStarted=!1,this.isContent=!1,this.active=!1,this.paused=!1,this.poorConnection=!1,this.boundAttendeeId=null,this.boundExternalUserId=null,this.boundVideoStream=null,this.boundVideoElement=null,this.nameplate=null,this.videoStreamContentWidth=null,this.videoStreamContentHeight=null,this.videoElementCSSWidthPixels=null,this.videoElementCSSHeightPixels=null,this.devicePixelRatio=0,this.videoElementPhysicalWidthPixels=null,this.videoElementPhysicalHeightPixels=null,this.streamId=null,this.groupId=null}clone(){let e=new i;return e.tileId=this.tileId,e.localTile=this.localTile,e.isContent=this.isContent,e.active=this.active,e.paused=this.paused,e.poorConnection=this.poorConnection,e.boundAttendeeId=this.boundAttendeeId,e.boundExternalUserId=this.boundExternalUserId,e.boundVideoStream=this.boundVideoStream,e.boundVideoElement=this.boundVideoElement,e.nameplate=this.nameplate,e.videoStreamContentWidth=this.videoStreamContentWidth,e.videoStreamContentHeight=this.videoStreamContentHeight,e.videoElementCSSWidthPixels=this.videoElementCSSWidthPixels,e.videoElementCSSHeightPixels=this.videoElementCSSHeightPixels,e.devicePixelRatio=this.devicePixelRatio,e.videoElementPhysicalWidthPixels=this.videoElementPhysicalWidthPixels,e.videoElementPhysicalHeightPixels=this.videoElementPhysicalHeightPixels,e.streamId=this.streamId,e.groupId=this.groupId,e}}t.default=i},53027:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(31278)),s=n(i(32681)),a=n(i(70615)),o=i(24670),d=n(i(14284)),l=n(i(6476));class c{constructor(e,t,i){this.tileFactory=e,this.audioVideoController=t,this.logger=i,this.tileMap=new Map,this.nextTileId=1,this.currentLocalTile=null,this.currentPausedTilesByIds=new Set,this.resolutionObservers=new Set,this.keepLastFrameWhenPaused=!1,this.keepLastFrameWhenPaused=t.configuration.keepLastFrameWhenPaused}createDevicePixelRatioMonitorIfNeeded(){this.devicePixelRatioMonitor||(this.devicePixelRatioMonitor=new s.default(new a.default,this.logger))}async discardDevicePixelRatioMonitorIfNotNeeded(){if(this.tileMap.size||!this.devicePixelRatioMonitor)return;let e=this.devicePixelRatioMonitor;return this.devicePixelRatioMonitor=void 0,e.destroy()}bindVideoElement(e,t){var i,n;let r=this.getVideoTile(e);

33if(null===r){this.logger.warn(`Ignoring video element binding for unknown tile id ${e}`);return}if(r.bindVideoElement(t),t&&!r.state().localTile){let e=null!==(i=r.state().groupId)&&void 0!==i?i:null;if(null!==e)for(let t of this.resolutionObservers)null===(n=t.videoTileBound)||void 0===n||n.call(t,e)}}unbindVideoElement(e,t=!0){let i=this.getVideoTile(e);if(null===i){this.logger.warn(`Ignoring video element unbinding for unknown tile id ${e}`);return}for(let e of(this.logger.info("Unbinding the video element"),this.resolutionObservers))e.videoTileUnbound(i.state().boundAttendeeId,i.state().groupId);let n=i.stateRef().boundVideoElement;i.bindVideoElement(null),t&&(this.logger.info("Cleaning up the video element"),l.default.disconnectVideoStreamFromVideoElement(n,!1))}startLocalVideoTile(){if(this.audioVideoController.configuration.meetingFeatures.videoMaxResolution===r.default.VideoDisabled)return this.logger.warn("Could not start camera video because max video resolution was set to None"),-1;let e=this.findOrCreateLocalVideoTile();return this.currentLocalTile.stateRef().localTileStarted=!0,this.audioVideoController.update({needsRenegotiation:!0}),e.id()}stopLocalVideoTile(){this.currentLocalTile&&(this.currentLocalTile.stateRef().localTileStarted=!1,this.currentLocalTile.bindVideoStream(this.audioVideoController.configuration.credentials.attendeeId,!0,null,null,null,null,this.audioVideoController.configuration.credentials.externalUserId),this.audioVideoController.update({needsRenegotiation:!0}))}hasStartedLocalVideoTile(){return!!(this.currentLocalTile&&this.currentLocalTile.stateRef().localTileStarted)}removeLocalVideoTile(){this.currentLocalTile&&this.removeVideoTile(this.currentLocalTile.id())}getLocalVideoTile(){return this.currentLocalTile}pauseVideoTile(e){let t=this.getVideoTile(e);t&&(this.currentPausedTilesByIds.has(e)||(this.audioVideoController.pauseReceivingStream(t.stateRef().streamId),this.currentPausedTilesByIds.add(e)),t.pause())}unpauseVideoTile(e){let t=this.getVideoTile(e);t&&(this.currentPausedTilesByIds.has(e)&&(this.audioVideoController.resumeReceivingStream(t.stateRef().streamId),this.currentPausedTilesByIds.delete(e)),t.unpause())}getVideoTile(e){return this.tileMap.has(e)?this.tileMap.get(e):null}getVideoTileArea(e){let t=e.state(),i=0,n=0;return t.boundVideoElement&&(i=t.boundVideoElement.clientHeight*t.devicePixelRatio,n=t.boundVideoElement.clientWidth*t.devicePixelRatio),i*n}getAllRemoteVideoTiles(){let e=[];return this.tileMap.forEach((t,i)=>{this.currentLocalTile&&i===this.currentLocalTile.id()||e.push(t)}),e}getAllVideoTiles(){return Array.from(this.tileMap.values())}addVideoTile(e=!1){let t=this.nextTileId;this.nextTileId+=1,this.createDevicePixelRatioMonitorIfNeeded();let i=this.tileFactory.makeTile(t,e,this,this.devicePixelRatioMonitor,this.createResolutionMonitor(t));return this.tileMap.set(t,i),i}removeVideoTile(e){if(!this.tileMap.has(e))return;let t=this.tileMap.get(e);this.currentLocalTile===t&&(this.currentLocalTile=null),t.destroy(),this.tileMap.delete(e),this.audioVideoController.forEachObserver(t=>{o.Maybe.of(t.videoTileWasRemoved).map(i=>i.bind(t)(e))}),this.discardDevicePixelRatioMonitorIfNotNeeded()}removeVideoTilesByAttendeeId(e){let t=[];for(let i of this.getAllVideoTiles()){let n=i.state();n.boundAttendeeId===e&&(this.removeVideoTile(n.tileId),t.push(n.tileId))}return t}removeAllVideoTiles(){for(let e of Array.from(this.tileMap.keys()))this.removeVideoTile(e)}sendTileStateUpdate(e){this.audioVideoController.forEachObserver(t=>{o.Maybe.of(t.videoTileDidUpdate).map(i=>i.bind(t)(e))})}haveVideoTilesWithStreams(){for(let e of this.getAllVideoTiles())if(e.state().boundVideoStream)return!0;return!1}haveVideoTileForAttendeeId(e){return!!this.getVideoTileForAttendeeId(e)}getVideoTileForAttendeeId(e){for(let t of this.getAllVideoTiles())if(t.state().boundAttendeeId===e)return t}captureVideoTile(e){let t=this.getVideoTile(e);return t?t.capture():null}registerVideoTileResolutionObserver(e){this.resolutionObservers.add(e)}removeVideoTileResolutionObserver(e){this.resolutionObservers.delete(e)}createResolutionMonitor(e){let t=new class{constructor(e,t){this.controller=e,this.tileId=t}videoElementResolutionChanged(e,t){this.controller.handleVideoElementResolutionChanged(this.tileId,e,t)}videoElementFirstFrameDidRender(e){this.controller.handleVideoFirstFrameDidRender(this.tileId,e)}videoElementMetricsDidReceive(e){this.controller.handleVideoElementFrameMetrics(this.tileId,e)}}(this,e),i=new d.default;return i.registerObserver(t),i}handleVideoElementResolutionChanged(e,t,i){let n=this.getVideoTile(e);

33if(n){let e=n.state().boundAttendeeId;for(let n of this.resolutionObservers)n.videoTileResolutionDidChange(e,t,i)}}handleVideoFirstFrameDidRender(e,t){var i,n;let r=this.getVideoTile(e);if(!r||r.state().localTile)return;let s=null!==(i=r.state().groupId)&&void 0!==i?i:null;if(null!==s)for(let e of this.resolutionObservers)null===(n=e.videoTileFirstFrameDidRender)||void 0===n||n.call(e,s,t)}handleVideoElementFrameMetrics(e,t){var i,n;let r=this.getVideoTile(e);if(!r||r.state().localTile)return;let s=null!==(i=r.state().groupId)&&void 0!==i?i:null;if(null!==s)for(let e of this.resolutionObservers)null===(n=e.videoTileRenderMetricsDidReceive)||void 0===n||n.call(e,s,t)}findOrCreateLocalVideoTile(){return this.currentLocalTile||(this.currentLocalTile=this.addVideoTile(!0),this.currentLocalTile.bindVideoStream(this.audioVideoController.configuration.credentials.attendeeId,!0,null,null,null,null,this.audioVideoController.configuration.credentials.externalUserId)),this.currentLocalTile}}t.default=c},48569:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(6476));class s{makeTile(e,t,i,n,s){return new r.default(e,t,i,n,s)}}t.default=s},11079:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{}t.default=i},8459:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(92964)),s=n(i(46599)),a=i(24670),o=n(i(10512)),d=n(i(11079));class l{constructor(e,t){this.selfAttendeeId=e,this.logger=t,this.numSenders=0,this.shouldDisableSimulcast=!1,this.newQualityMap=new Map,this.currentQualityMap=new Map,this.newActiveStreams=1,this.videoIndex=null,this.observerQueue=new Set,this.hiTargetBitrateKbps=l.kHiTargetBitrateKbpsHd,this.midTargetBitrateKbps=l.kMidTargetBitrateKbpsHd,this.lowTargetBitrateKbps=l.kLowTargetBitrateKbpsHd,this.enableFhdVideo=!1,this.optimalParameters=new o.default(0,0,0,0,!0),this.parametersInEffect=new o.default(0,0,0,0,!0),this.currentQualityMap=this.fillEncodingParamWithBitrates([this.lowTargetBitrateKbps,0,this.hiTargetBitrateKbps]),this.newQualityMap=this.fillEncodingParamWithBitrates([this.lowTargetBitrateKbps,0,this.hiTargetBitrateKbps])}updateConnectionMetric(e){}calculateEncodingParameters(){let e=[new d.default,new d.default,new d.default];this.shouldDisableSimulcast?(this.newActiveStreams=0,e[0].maxBitrateKbps=0,e[1].maxBitrateKbps=this.hiTargetBitrateKbps,e[2].maxBitrateKbps=0):this.numSenders<=4?(this.newActiveStreams=1,e[0].maxBitrateKbps=this.lowTargetBitrateKbps,e[1].maxBitrateKbps=0,e[2].maxBitrateKbps=this.hiTargetBitrateKbps):(this.newActiveStreams=2,e[0].maxBitrateKbps=2*this.lowTargetBitrateKbps/3,e[1].maxBitrateKbps=this.numSenders<=6?this.midTargetBitrateKbps:.6*this.midTargetBitrateKbps,e[2].maxBitrateKbps=0);let t=e.map((e,t,i)=>e.maxBitrateKbps);return this.newQualityMap=this.fillEncodingParamWithBitrates(t),this.encodingParametersEqual()||this.logger.info(`simulcast: policy:calculateEncodingParameters numSources:${this.numSenders} shouldDisableSimulcast:${this.shouldDisableSimulcast} newQualityMap: ${this.getQualityMapString(this.newQualityMap)}`),this.newQualityMap}chooseMediaTrackConstraints(){}chooseEncodingParameters(){return this.currentQualityMap=this.newQualityMap,this.activeStreamsToPublish!==this.newActiveStreams&&(this.activeStreamsToPublish=this.newActiveStreams,this.publishEncodingSimulcastLayer()),this.currentQualityMap}updateIndex(e){let t=e.numberOfVideoPublishingParticipantsExcludingSelf(this.selfAttendeeId)+1,i=t!==this.numSenders,n=e.numberOfParticipants(),r=n>=0&&n<=2,s=this.shouldDisableSimulcast!==r;this.numSenders=t,this.shouldDisableSimulcast=r,this.optimalParameters=new o.default(this.captureWidth(),this.captureHeight(),this.captureFrameRate(),this.maxBandwidthKbps(),!1),this.videoIndex=e,(i||s)&&(this.newQualityMap=this.calculateEncodingParameters())}wantsResubscribe(){return!this.encodingParametersEqual()}compareEncodingParameter(e,t){return JSON.stringify(e)===JSON.stringify(t)}encodingParametersEqual(){let e=!1;for(let t of s.default.NAME_ARR_ASCENDING)if(e=e||!this.compareEncodingParameter(this.newQualityMap.get(t),this.currentQualityMap.get(t)))break;return!e}chooseCaptureAndEncodeParameters(){return this.parametersInEffect=this.optimalParameters.clone(),this.parametersInEffect.clone()}captureWidth(){return this.enableFhdVideo?1920:1280}captureHeight(){return this.enableFhdVideo?1080:768}captureFrameRate(){return 15}maxBandwidthKbps(){return this.enableFhdVideo?2500:1400}

33setIdealMaxBandwidthKbps(e){}setHasBandwidthPriority(e){}setHighResolutionFeatureEnabled(e){this.enableFhdVideo=e,this.hiTargetBitrateKbps=e?l.kHiTargetBitrateKbpsFhd:l.kHiTargetBitrateKbpsHd,this.midTargetBitrateKbps=e?l.kMidTargetBitrateKbpsFhd:l.kMidTargetBitrateKbpsHd,this.lowTargetBitrateKbps=e?l.kLowTargetBitrateKbpsFhd:l.kLowTargetBitrateKbpsHd}wantsVideoDependencyDescriptorRtpHeaderExtension(){return!0}fillEncodingParamWithBitrates(e){let t=new Map,i=s.default.NAME_ARR_ASCENDING,n=this.shouldDisableSimulcast?1:4;for(let r=0;r<i.length;r++){let s=i[r];t.set(s,{rid:s,active:e[r]>0,scaleResolutionDownBy:Math.max(n,1),maxBitrate:1e3*e[r]}),n/=2}return t}getQualityMapString(e){let t="";return 3===this.videoIndex.localStreamDescriptions().length&&e.forEach(e=>{t+=`{ rid: ${e.rid} active:${e.active} maxBitrate:${e.maxBitrate}}`}),t}getEncodingSimulcastLayer(e){switch(e){case 0:return r.default.High;case 1:return r.default.LowAndHigh;case 2:return r.default.LowAndMedium}}publishEncodingSimulcastLayer(){let e=this.getEncodingSimulcastLayer(this.activeStreamsToPublish);this.forEachObserver(t=>{a.Maybe.of(t.encodingSimulcastLayersDidChange).map(i=>i.bind(t)(e))})}addObserver(e){this.logger.info("adding simulcast uplink observer"),this.observerQueue.add(e)}removeObserver(e){this.logger.info("removing simulcast uplink observer"),this.observerQueue.delete(e)}forEachObserver(e){for(let t of this.observerQueue)e(t)}}l.kHiTargetBitrateKbpsHd=1200,l.kMidTargetBitrateKbpsHd=600,l.kLowTargetBitrateKbpsHd=300,l.kHiTargetBitrateKbpsFhd=2e3,l.kMidTargetBitrateKbpsFhd=1e3,l.kLowTargetBitrateKbpsFhd=500,t.default=l},6354:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(56446));class s{constructor(e,t){this.encodingParams=t,this.enableUhdContent=!1,this.defaultHiTargetBitrateKbps=1200,this.defaultLowTargetBitrateKbps=300}updateConnectionMetric(e){}chooseMediaTrackConstraints(){}chooseEncodingParameters(){var e,t,i,n,s,a,o,d,l,c,u,h;let f=new Map,m=r.default.NAME_ARR_ASCENDING;return f.set(m[0],{rid:m[0],active:!0,scaleResolutionDownBy:(null===(t=null===(e=this.encodingParams)||void 0===e?void 0:e.low)||void 0===t?void 0:t.scaleResolutionDownBy)||2,maxBitrate:1e3*((null===(n=null===(i=this.encodingParams)||void 0===i?void 0:i.low)||void 0===n?void 0:n.maxBitrateKbps)||this.defaultLowTargetBitrateKbps),maxFramerate:(null===(a=null===(s=this.encodingParams)||void 0===s?void 0:s.low)||void 0===a?void 0:a.maxFramerate)||5}),f.set(m[1],{rid:m[1],active:!0,scaleResolutionDownBy:(null===(d=null===(o=this.encodingParams)||void 0===o?void 0:o.high)||void 0===d?void 0:d.scaleResolutionDownBy)||1,maxBitrate:1e3*((null===(c=null===(l=this.encodingParams)||void 0===l?void 0:l.high)||void 0===c?void 0:c.maxBitrateKbps)||this.defaultHiTargetBitrateKbps),maxFramerate:null===(h=null===(u=this.encodingParams)||void 0===u?void 0:u.high)||void 0===h?void 0:h.maxFramerate}),f}updateIndex(e){}wantsResubscribe(){return!1}chooseCaptureAndEncodeParameters(){}maxBandwidthKbps(){return this.enableUhdContent?2e3:1200}setIdealMaxBandwidthKbps(e){}setHasBandwidthPriority(e){}setHighResolutionFeatureEnabled(e){this.enableUhdContent=e,this.defaultHiTargetBitrateKbps=e?2e3:1200,this.defaultLowTargetBitrateKbps=e?500:300}addObserver(e){}removeObserver(e){}forEachObserver(e){}}t.default=s},95876:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(67941)),s=n(i(10512));class a{constructor(e,t=!0,i,n){this.selfAttendeeId=e,this.scaleResolution=t,this.logger=i,this.browserBehavior=n,this.numberOfPublishedVideoSources=void 0,this.idealMaxBandwidthKbps=1500,this.hasBandwidthPriority=!1,this.encodingParamMap=new Map,this.enableHighResolutionFeature=!1,this.enableSVC=!1,this.isUsingSVCCodec=!0,this.currentScalabilityModeIndex=0,this.numParticipants=0,this.isContentShare()?this.scalabilityModePreferences=["L1T3","L1T1"]:this.scalabilityModePreferences=["L3T3","L1T3","L1T1"],this.reset()}reset(){this.numberOfPublishedVideoSources=void 0,this.optimalParameters=new s.default(0,0,0,0,!1),this.parametersInEffect=new s.default(0,0,0,0,!1),this.encodingParamMap.set(a.encodingMapKey,{maxBitrate:0}),this.currentScalabilityModeIndex=0}updateConnectionMetric(e){}chooseMediaTrackConstraints(){return{}}chooseEncodingParameters(){return new Map}updateIndex(e){var t;let i=!0;this.transceiverController&&(i=this.transceiverController.hasVideoInput());let n=e.numberOfVideoPublishingParticipantsExcludingSelf(this.selfAttendeeId)+(i?1:0),r=e.numberOfParticipants();if(this.numParticipants===r&&this.numberOfPublishedVideoSources===n){null===(t=this.logger)||void 0===t||t.debug("Skipping update index; Number of participants has not changed");return}this.numberOfPublishedVideoSources=n,this.numParticipants=r,this.updateOptimalParameters()}wantsResubscribe(){return!this.parametersInEffect.equal(this.optimalParameters)}chooseCaptureAndEncodeParameters(){return this.parametersInEffect=this.optimalParameters.clone(),this.parametersInEffect.clone()}updateOptimalParameters(){let e=1;if(this.transceiverController){let t=this.getStreamCaptureSetting();t&&(e=this.calculateEncodingParameters(t).scaleResolutionDownBy)}this.optimalParameters=new s.default(this.captureWidth(),this.captureHeight(),this.captureFrameRate(),this.maxBandwidthKbps(),!1,e,this.enableSVC&&this.numParticipants>2&&this.isUsingSVCCodec&&"L1T1"!==this.scalabilityModePreferences[this.currentScalabilityModeIndex])}captureWidth(){let e=640;return this.getNumberOfPublishedVideoSources()>4&&(e=320),e}captureHeight(){let e=384;return this.getNumberOfPublishedVideoSources()>4&&(e=192),e}captureFrameRate(){return 15}maxBandwidthKbps(){return this.hasBandwidthPriority?Math.trunc(this.idealMaxB

33andwidthKbps):Math.trunc(2>=this.getNumberOfPublishedVideoSources()?this.idealMaxBandwidthKbps:4>=this.getNumberOfPublishedVideoSources()?2*this.idealMaxBandwidthKbps/3:(544/11+14880/(11*this.getNumberOfPublishedVideoSources()))/600*this.idealMaxBandwidthKbps)}setIdealMaxBandwidthKbps(e){this.idealMaxBandwidthKbps=e}setHasBandwidthPriority(e){this.hasBandwidthPriority=e}setTransceiverController(e){this.transceiverController=e}setSVCEnabled(e){var t;this.enableSVC=e,null===(t=this.logger)||void 0===t||t.info(`setSVCEnabled, enable: ${e}}`)}setHighResolutionFeatureEnabled(e){this.enableHighResolutionFeature=e}async updateTransceiverController(){let e=this.getStreamCaptureSetting();if(!e)return;let t=this.calculateEncodingParameters(e);this.shouldUpdateEndcodingParameters(t)&&(this.encodingParamMap.set(a.encodingMapKey,t),this.transceiverController.setEncodingParameters(this.encodingParamMap))}shouldUpdateEndcodingParameters(e){var t,i;let n=null===(i=null===(t=this.transceiverController.localVideoTransceiver().sender.getParameters())||void 0===t?void 0:t.encodings)||void 0===i?void 0:i[0];return e.maxBitrate!==(null==n?void 0:n.maxBitrate)||e.scaleResolutionDownBy!==(null==n?void 0:n.scaleResolutionDownBy)||(null==e?void 0:e.scalabilityMode)!==(null==n?void 0:n.scalabilityMode)}calculateEncodingParameters(e){var t,i,n;let r=1e3*this.maxBandwidthKbps(),s=1,o=720;if(void 0!==e.height&&void 0!==e.width&&this.scaleResolution&&!this.hasBandwidthPriority&&this.getNumberOfPublishedVideoSources()>2&&(480===(o=a.targetHeightArray[Math.min(this.getNumberOfPublishedVideoSources(),a.targetHeightArray.length-1)][this.enableHighResolutionFeature?1:0])&&(null===(t=this.browserBehavior)||void 0===t?void 0:t.disable480pResolutionScaleDown())&&(o=360),s=Math.max(Math.min(e.height,e.width)/o,1),null===(i=this.logger)||void 0===i||i.info(`Resolution scale factor is ${s} for capture resolution ${e.width}x${e.height}. New dimension is ${e.width/s}x${e.height/s}`)),!this.enableSVC)return{scaleResolutionDownBy:s,maxBitrate:r};{let e;return e=this.numParticipants>=0&&this.numParticipants<3||!this.isUsingSVCCodec?"L1T1":this.scalabilityModePreferences[this.currentScalabilityModeIndex],null===(n=this.logger)||void 0===n||n.info(`calculateEncodingParameters: SVC: ${this.enableSVC}    participants: ${this.numParticipants}     publishers: ${this.getNumberOfPublishedVideoSources()}     bitrate: ${r}  targetHeight: ${o}  scalabilityMode: ${e}   isUsingSVCCodec: ${this.isUsingSVCCodec}`),{scaleResolutionDownBy:s,maxBitrate:r,scalabilityMode:e}}}getStreamCaptureSetting(){var e,t,i,n;return null===(n=null===(i=null===(t=null===(e=this.transceiverController)||void 0===e?void 0:e.localVideoTransceiver())||void 0===t?void 0:t.sender)||void 0===i?void 0:i.track)||void 0===n?void 0:n.getSettings()}getNumberOfPublishedVideoSources(){var e;return null!==(e=this.numberOfPublishedVideoSources)&&void 0!==e?e:0}isContentShare(){return new r.default(this.selfAttendeeId).hasModality(r.default.MODALITY_CONTENT)}wantsVideoDependencyDescriptorRtpHeaderExtension(){return this.enableSVC}setMeetingSupportedVideoSendCodecs(e,t){let i=null!=e?e:t,n=i.length>0&&this.isContentShare()?a.contentSVCCodecNames.includes(i[0].codecName):a.videoSVCCodecNames.includes(i[0].codecName);n!==this.isUsingSVCCodec&&(this.isUsingSVCCodec=n,this.updateOptimalParameters())}degradeScalabilityMode(){var e;return!!this.isUsingSVCCodec&&this.numParticipants>=3&&this.currentScalabilityModeIndex+1<this.scalabilityModePreferences.length&&(null===(e=this.logger)||void 0===e||e.info(`Degrading scalability mode from ${this.scalabilityModePreferences[this.currentScalabilityModeIndex]} to ${this.scalabilityModePreferences[this.currentScalabilityModeIndex+1]}`),this.currentScalabilityModeIndex++,this.updateOptimalParameters(),!0)}}a.encodingMapKey="video",a.targetHeightArray=[[0,0],[0,0],[0,0],[540,720],[540,720],[480,540],[480,540],[480,540],[480,540],[360,480],[360,480],[360,480],[360,480],[270,360],[270,360],[270,360],[270,360],[180,270],[180,270],[180,270],[180,270],[180,270],[180,270],[180,270],[180,270],[180,270]],a.videoSVCCodecNames=["VP9"],a.contentSVCCodecNames=["AV1"],t.default=a},73967:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esMo

33dule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(10512));class s{constructor(){}updateConnectionMetric(e){}chooseMediaTrackConstraints(){return{}}chooseEncodingParameters(){return new Map}updateIndex(e){}wantsResubscribe(){return!1}chooseCaptureAndEncodeParameters(){return new r.default(0,0,0,0,!1)}maxBandwidthKbps(){return 0}setIdealMaxBandwidthKbps(e){}setHasBandwidthPriority(e){}setHighResolutionFeatureEnabled(e){}wantsVideoDependencyDescriptorRtpHeaderExtension(){return!1}}t.default=s},23902:function(e,t){"use strict";function i(e){return e.map(e=>"object"==typeof e?JSON.stringify(e):`${e}`).join(" ")}Object.defineProperty(t,"__esModule",{value:!0});class n{constructor(e){this.base=e}debug(...e){this.base.debug(i(e))}info(...e){this.base.info(i(e))}warn(...e){this.base.warn(i(e))}error(...e){this.base.error(i(e))}}t.default=n},8917:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.VoiceFocusDeviceTransformer=void 0;let r=i(25710),s=i(76477),a=n(i(61492)),o=n(i(23902)),d=n(i(50105)),l=n(i(63393));class c{static isSupported(e,t){var i,n;let a=c.defaultFetchBehavior(),d=(null==t?void 0:t.logger)?new o.default(t.logger):void 0;if((0,s.isIFramed)()){if((null==t?void 0:t.allowIFrame)===!1)return null===(i=null==t?void 0:t.logger)||void 0===i||i.error("Amazon Voice Focus support check inside iframe: not supported."),Promise.resolve(!1);null===(n=null==t?void 0:t.logger)||void 0===n||n.warn("Amazon Voice Focus support check inside iframe: not recommended.")}return r.VoiceFocus.isSupported(c.augmentSpec(e),{fetchBehavior:a,logger:d})}static async create(e={},t={},i,n,r){var s,a,o;n&&n.Meeting.Meeting&&(n=n.Meeting);let d=(null===(o=null===(a=null===(s=null==n?void 0:n.Meeting)||void 0===s?void 0:s.MeetingFeatures)||void 0===a?void 0:a.Audio)||void 0===o?void 0:o.EchoReduction)==="AVAILABLE",l=i&&!0===i.supported&&"ns_es"===i.model.name&&!d,u="ns_es"===e.name&&!d;if(l||u)throw Error("Echo Reduction requested but not enabled.");let h=new c(e,t,i);return await h.init(),h}static async configure(e={},t={}){return new c(e,t,void 0).configure(!0)}getConfiguration(){return this.configuration}isSupported(){return this.supported}async createTransformDevice(e,t){if(this.supported)try{let[i,n]=await this.allocateVoiceFocus(!0),r={...t,es:"ns_es"===this.spec.name};return new d.default(e,i,n,r)}catch(e){return}}static async destroyVoiceFocus(e){var t;null===(t=null==e?void 0:e.vf)||void 0===t||t.destroy()}constructor(e,{preload:t=!0,logger:i,fetchBehavior:n=c.defaultFetchBehavior()},r){this.spec=e,this.supported=!0,this.logger=i,this.vfLogger=i?new o.default(i):void 0,this.preload=t,this.fetchBehavior=n,this.spec=c.augmentSpec(this.spec),r&&(this.configuration=Promise.resolve(r))}static augmentSpec(e){return e&&(e.assetGroup||e.revisionID)?e:{...e,assetGroup:c.currentSDKAssetGroup()}}async configure(e=!1){let t={fetchBehavior:this.fetchBehavior,preResolve:e,logger:this.vfLogger};return r.VoiceFocus.configure(this.spec,t)}

33async init(){var e;this.configuration||(this.configuration=this.configure());let t=await this.configuration;if(!t.supported){this.supported=!1;return}this.pendingVoiceFocus=this.createVoiceFocus(t,this.preload);try{await this.pendingVoiceFocus}catch(t){null===(e=this.logger)||void 0===e||e.error(`Unable to initialize Amazon Voice Focus: ${t}`),this.supported=!1}}async createVoiceFocus(e,t){let i=new l.default;return this.vf=await r.VoiceFocus.init(e,{delegate:i,preload:t,logger:this.vfLogger}),[this.vf,i]}async allocateVoiceFocus(e){if(!this.supported)throw Error("Not supported.");if(this.pendingVoiceFocus){let e=this.pendingVoiceFocus;return this.pendingVoiceFocus=void 0,e}return this.createVoiceFocus(await this.configuration,e)}static majorVersion(){return a.default.sdkVersion.match(/^[1-9][0-9]*\.(?:0|[1-9][0-9]*)/)[0]}static majorMinorVersion(){return a.default.sdkVersion.match(/^[1-9][0-9]*\.(?:0|(?:[1-9][0-9]*))\.(?:0|[1-9][0-9]*)/)[0]}static currentSDKAssetGroup(){let e=this.majorVersion();return e?`sdk-${e}`:"stable-v1"}static defaultFetchBehavior(){let e=c.majorMinorVersion()||"unknown",t=a.default.sdkUserAgentLowResolution;return{escapedQueryString:`sdk=${encodeURIComponent(e)}&ua=${encodeURIComponent(t)}`}}}t.VoiceFocusDeviceTransformer=c,t.default=c},50105:function(e,t,i){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});let r=n(i(12340));class s{constructor(e,t,i,n,s=!1,a,o=new r.default,d=new Map,l,c){this.device=e,this.voiceFocus=t,this.delegate=i,this.nodeOptions=n,this.failed=s,this.node=a,this.browserBehavior=o,this.farEndStreamToAudioSourceNode=d,this.mixDestNode=l,this.mixSourceNode=c}getInnerDevice(){return this.device}async mute(e){this.node&&(e?await this.node.disable():await this.node.enable())}async stop(){this.node&&(this.node.disconnect(),await this.node.stop())}async chooseNewInnerDevice(e){return this.device!==e||"default"===e||e&&"object"==typeof e&&("deviceId"in e&&"default"===e.deviceId||"id"in e&&"default"===e.id)?new s(e,this.voiceFocus,this.delegate,this.nodeOptions,this.failed,this.node,this.browserBehavior,this.farEndStreamToAudioSourceNode,this.mixDestNode,this.mixSourceNode):this}async intrinsicDevice(){let e;if(this.failed)return this.device;let t=this.nodeOptions.es,i={echoCancellation:!t,googEchoCancellation:!t,googEchoCancellation2:!t,

33noiseSuppression:!1,googNoiseSuppression:!1,googHighpassFilter:!1,googNoiseSuppression2:!1};return(e=!this.nodeOptions||void 0===this.nodeOptions.agc||this.nodeOptions.agc.useBuiltInAGC,i.autoGainControl=e,i.googAutoGainControl=e,i.googAutoGainControl2=e,this.device)?"string"==typeof this.device?(this.browserBehavior.requiresNoExactMediaStreamConstraints()?i.deviceId=this.device:i.deviceId={exact:this.device},i):this.device.id?this.device:{...this.device,...i}:i}async createAudioNode(e){var t,i;if((null===(t=this.node)||void 0===t?void 0:t.context)===e)return{start:this.node,end:this.node};let n={enabled:!0,agc:{useVoiceFocusAGC:!1},...this.nodeOptions};try{if(null===(i=this.node)||void 0===i||i.disconnect(),this.node=await this.voiceFocus.createNode(e,n),this.nodeOptions.es){for(let t of(this.mixDestNode=new MediaStreamAudioDestinationNode(e,{channelCount:1,channelCountMode:"explicit"}),this.farEndStreamToAudioSourceNode.keys()))this.assignFarEndStreamToAudioSourceNode(t);this.createMixSourceNode()}let t=this.node,r=this.node;return{start:t,end:r}}catch(e){throw this.failed=!0,this.delegate.onFallback(this,e),e}}async observeMeetingAudio(e){if(!this.nodeOptions.es)return;e.addAudioMixObserver(this);let t=await e.getCurrentMeetingAudioStream();t&&this.addFarEndStream(t)}async unObserveMeetingAudio(e){if(!this.nodeOptions.es)return;e.removeAudioMixObserver(this);let t=await e.getCurrentMeetingAudioStream();t&&this.removeFarendStream(t)}addObserver(e){this.delegate.addObserver(e)}removeObserver(e){this.delegate.removeObserver(e)}async addFarEndStream(e){!this.nodeOptions.es||!e||this.farEndStreamToAudioSourceNode.has(e)||(this.node?this.assignFarEndStreamToAudioSourceNode(e):this.farEndStreamToAudioSourceNode.set(e,null))}async removeFarendStream(e){var t;null===(t=this.farEndStreamToAudioSourceNode.get(e))||void 0===t||t.disconnect(),this.farEndStreamToAudioSourceNode.delete(e)}async meetingAudioStreamBecameActive(e){this.addFarEndStream(e)}async meetingAudioStreamBecameInactive(e){this.removeFarendStream(e)}assignFarEndStreamToAudioSourceNode(e){let t=this.node.context.createMediaStreamSource(e);t.channelCount=1,t.channelCountMode="explicit",this.farEndStreamToAudioSourceNode.set(e,t),t.connect(this.mixDestNode,0)}createMixSourceNode(){this.mixSourceNode=this.node.context.createMediaStreamSource(this.mixDestNode.stream),this.mixSourceNode.channelCount=1,this.mixSourceNode.channelCountMode="explicit",this.mixSourceNode.connect(this.node,0,1)}}t.default=s},63393:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(){this.observers=new Set}addObserver(e){this.observers.add(e)}removeObserver(e){this.observers.delete(e)}onFallback(e,t){var i;for(let n of this.observers)null===(i=n.voiceFocusFellBackToInnerStream)||void 0===i||i.call(n,e,t)}onCPUWarning(){var e;for(let t of this.observers)null===(e=t.voiceFocusInsufficientResources)||void 0===e||e.call(t)}}t.default=i},84395:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e,t,i,n,r){this.logger=e,this.realtimeController=t,this.minVolumeDecibels=i,this.maxVolumeDecibels=n,this.selfAttendeeId=r,this.streamIdToAttendeeId={},this.streamIdToExternalUserId={},this.warnedAboutMissingStreamIdMapping={},this.attendeeIdToStreamId={},this.sessionReconnected=!1}onReconnect(){this.sessionReconnected=!0}sendRealtimeUpdatesForAudioStreamIdInfo(e){let t=0;for(let i of e.streams){let n=!!i.attendeeId,r=!!i.externalUserId,s=i.hasOwnProperty("muted"),a=!!i.dropped;

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t=e.navigator.userAgent.match(/Chrom(?:e|ium)\/([0-9]+)/);if(t)return parseInt(t[1],10)};t.isOldChrome=(e=globalThis,t)=>{let i=a(e);return!!i&&i<90&&(null==t||t.debug(`Chrome ${i} has incomplete SIMD support.`),!0)}},99452:function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.VoiceFocusAudioWorkletNode=void 0;class i extends("undefined"!=typeof globalThis&&globalThis.AudioWorkletNode||class{}){}t.VoiceFocusAudioWorkletNode=i},25710:function(e,t,i){"use strict";var n=this&&this.__awaiter||function(e,t,i,n){return new(i||(i=Promise))(function(r,s){function a(e){try{d(n.next(e))}catch(e){s(e)}}function o(e){try{d(n.throw(e))}catch(e){s(e)}}function d(e){var t;e.done?r(e.value):((t=e.value)instanceof i?t:new i(function(e){e(t)})).then(a,o)}d((n=n.apply(e,t||[])).next())})};Object.defineProperty(t,"__esModule",{value:!0}),t.getAudioInput=t.createAudioContext=t.VoiceFocus=void 0;let r=i(41738),s=i(82872),a=i(35908),o=i(30589),d=i(13579),l=i(200),c=i(42312),u={useVoiceFocusAGC:!1,useBuiltInAGC:!0},h="stable-v1",f="https://static.sdkassets.chime.aws",m={processors:`${f}/processors/`,workers:`${f}/workers/`,wasm:`${f}/wasm/`,models:`${f}/wasm/`},p={latencyHint:0},g={channelCount:1,echoCancellation:!0,googEchoCancellation:!0,noiseSuppression:!1,googNoiseSuppression:!1,googHighpassFilter:!1,googTypingNoiseDetection:!1},v=Object.assign(Object.assign({},g),{autoGainControl:!0,googAutoGainControl:!0,googAutoGainControl2:!0}),b=Object.assign(Object.assign({},g),{autoGainControl:!1,googAutoGainControl:!1,googAutoGainControl2:!1}),S={"voicefocus-worker-sab-processor":{file:"worklet-worker-sab-processor-v1.js",node:l.default},"voicefocus-worker-postMessage-processor":{file:"worklet-worker-postMessage-processor-v1.js",node:c.default},"voicefocus-inline-processor":{file:"worklet-inline-processor-v1.js",node:d.default}},y=(e,t)=>{if(void 0!==e&&!(0,s.isValidAssetGroup)(e))throw Error(`Invalid asset group ${e}`);if(void 0!==t&&!(0,s.isValidRevisionID)(t))throw Error(`Invalid revision ID ${t}`)},C=(e,t)=>{let i;if(i=t.useBuiltInAGC?v:b,!e)return{audio:i};if(!e.audio)return e;if(e.video)throw Error("Not adding Voice Focus to multi-device getUserMedia call.");return Object.assign(Object.assign({},e),{audio:!0===e.audio?i:Object.assign(Object.assign({},e.audio),i)})},w=(e,t)=>`${t.models}${(0,r.decideModel)(e)}.wasm`;class T{constructor(e,t,i,n,r,s){this.processorURL=t,this.nodeConstructor=i,this.nodeOptions=n,this.executionQuanta=r,this.logger=s,this.internal={worker:e,isDestroyed:!1}}getModelMetrics(){var e;return null===(e=this.internal.voiceFocusNode)||void 0===e?void 0:e.getModelMetrics()}reset(){var e,t,i;null===(e=this.internal.voiceFocusNode)||void 0===e||e.reset(),null===(t=this.internal.sourceNode)||void 0===t||t.disconnect(),null===(i=this.internal.destinationNode)||void 0===i||i.disconnect()}enable(){var e;null===(e=this.internal.voiceFocusNode)||void 0===e||e.enable()}disable(){var e;null===(e=this.internal.voiceFocusNode)||void 0===e||e.disable()}setMode(e){var t;null===(t=this.internal.voiceFocusNode)||void 0===t||t.setMode(e)}destroy(){var e,t,i,r,s;return n(this,void 0,void 0,function*(){let{worker:n,isDestroyed:a,voiceFocusNode:o,destinationNode:d,sourceNode:l,audioContext:c}=this.internal;if(a){null===(e=this.logger)||void 0===e||e.debug("Voice Focus is already destroyed");return}try{null==n||n.terminate(),null==l||l.disconnect(),null==d||d.disconnect(),yield Promise.all([null!==(t=null==c?void 0:c.close().catch(e=>e))&&void 0!==t?t:yield Promise.resolve(),null!==(i=null==o?void 0:o.stop().catch(e=>e))&&void 0!==i?i:yield Promise.resolve()]),this.internal.audioContext=void 0,this.internal.voiceFocusNode=void 0,this.internal.sourceNode=void 0,this.internal.destinationNode=void 0,null===(r=this.logger)||void 0===r||r.debug("Voice Focus destroyed successfully")}catch(e){throw null===(s=this.logger)||void 0===s||s.error("Error while destroying the Voice Focus instance: ",e),e}finally{this.internal.isDestroyed=!0}})}static isSupported(e,t){let{fetchBehavior:i,logger:n}=t||{};if("undefined"==typeof globalThis)return null==n||n.debug("Browser does not have globalThis."),Promise.resolve(!1);if(!(0,o.supportsAudioWorklet)(globalThis,n))return null==n||n.debug("Browser does not support Audio Worklet."),Promise.resolve(!1);if(!(0,o.supportsWASM)(globalThis,n))return null==n||n.debug("Browser does not support WASM."),Promise.resolve(!1);(0,o.supportsWASMStreaming)(globalThis,n)||null==n||n.debug("Browser does not support streaming WASM compilation.");let{assetGroup:r=h,revisionID:a,paths:d=m}=e||{};y(r,a);let l=Object.assign(Object.assign({},(0,s.addQueryParams)(i,a?{revisionID:a}:{assetGroup:r})),{paths:d});return(0,o.supportsVoiceFocusWorker)(globalThis,l,n)}static mungeExecutionPreference(e,t){let i=void 0===e||"auto"===e;if((0,o.isSafari)(globalThis)){if(i||"inline"===e)return"inline";if(!i)throw Error(`Unsupported execution preference ${e}`)}if("worker-sab"===e&&!(0,o.supportsSharedArrayBuffer)(globalThis,globalThis,t))throw Error(`Unsupported execution preference ${e}`);return e||"auto"}static configure(e,t){return n(this,void 0,void 0,function*(){let{fetchBehavior:i,preResolve:n,logger:a}=t||{},{category:o="voicefocus",name:d="default",variant:l="auto",assetGroup:c=h,revisionID:u,simd:f="detect",mode:p="ns",executionPreference:g="auto",executionQuantaPreference:v,usagePreference:b="interactivity",estimatorBudget:S=100,paths:C=m,thresholds:T}=e||{};if(null==a||a.debug("Configuring Voice Focus with spec",e),void 0!==o&&"voicefocus"!==o)throw Error(`Unrecognized category ${o}`);if(void 0!==d&&"default"!==d&&"ns_es"!==d)throw Error(`Unrecognized feature name ${d}`);if(void 0!==l&&!["auto","c100","c50","c20","c10"].includes(l))throw Error(`Unrecognized feature variant ${l}`);if(void 0!==v&&![1,2,3].includes(v))throw Error(`Unrecognized execution quanta preference ${v}`);if(y(c,u),void 0!==f&&!["detect","force","disable"].includes(f))throw Error(`Unrecognized SIMD option ${f}`);if(void 0!==g&&!["auto","inline","worker","worker-sab","worker-postMessage"].includes(g))throw Error(`Unrecognized execution preference ${g}`);if(void 0!==b&&!["quality","interactivity"].includes(b))throw Error(`Unrecognized usage preference ${b}`);let M={executionPreference:this.mungeExecutionPreference(g,a),usagePreference:b,executionQuantaPreference:v,variantPreference:l,namePreference:d,simdPreference:f,estimatorBudget:S},E=(0,s.addQueryParams)(i,u?{revisionID:u}:{assetGroup:c}),A=Object.assign({paths:C},E),k=yield(0,r.measureAndDecideExecutionApproach)(M,A,a,T);

33if(!1===k.supported)return{supported:!1,reason:k.reason};null==a||a.info("Decided execution approach",k);let{useSIMD:_,processor:P,variant:R,executionQuanta:I}=k,O={category:o||"voicefocus",name:d||"default",mode:p,variant:R,simd:_};if(n){let e=w(O,C);O.url=yield(0,s.resolveURL)(e,E)}return{fetchConfig:A,model:O,processor:P,executionQuanta:I,supported:!0}})}static init(e,{delegate:t,preload:i=!0,logger:r}){return n(this,void 0,void 0,function*(){if(!1===e.supported)throw Error("Voice Focus not supported. Reason: "+e.reason);let{model:n,processor:s,fetchConfig:d,executionQuanta:l}=e,{simd:c,name:u,mode:h}=n,{paths:f}=d;if("voicefocus-inline-processor"!==s&&"voicefocus-worker-postMessage-processor"!==s&&"voicefocus-worker-sab-processor"!==s)throw Error(`Unknown processor ${s}`);let m=n.url||w(n,f);null==r||r.debug(`Using model URL ${m}.`);let p=`${f.wasm}audio_buffer-v1${c?"_simd":""}.wasm`,g=`${f.wasm}resampler-v1${c?"_simd":""}.wasm`,v=`${f.workers}worker-v1.js`,{file:b,node:y}=S[s],C=`${f.processors}${b}`,M=yield(0,a.loadWorker)(v,"VoiceFocusWorker",d,r);if(i){null==r||r.debug("Preloading",m);let e=(0,o.supportsWASMPostMessage)(globalThis)?"get-module":"get-module-buffer";M.postMessage({message:e,preload:!0,key:"model",fetchBehavior:d,path:m})}return Promise.resolve(new T(M,C,y,{processor:s,worker:M,audioBufferURL:p,resamplerURL:g,fetchBehavior:d,modelURL:m,delegate:t,logger:r,numberOfInputs:"ns_es"===u?2:1,mode:h},l,r))})}createNode(e,t){var i;if(this.internal.isDestroyed)throw Error("Unable to create node because VoiceFocus worker has been destroyed.");let{voiceFocusSampleRate:n=16e3===e.sampleRate?16e3:48e3,enabled:r=!0,agc:a=u}=t||{},o=null==t?void 0:t.es,d={voiceFocusSampleRate:n,enabled:r,sendBufferCount:10,prefill:6,agc:a,executionQuanta:this.executionQuanta,supportFarendStream:o,mode:this.nodeOptions.mode},l=(0,s.withQueryString)(this.processorURL,null===(i=this.nodeOptions)||void 0===i?void 0:i.fetchBehavior);return e.audioWorklet.addModule(l).then(()=>new this.nodeConstructor(e,Object.assign(Object.assign({},this.nodeOptions),{processorOptions:d})))}applyToStream(e,t,i,r=!1){var s,a,o;return n(this,void 0,void 0,function*(){let n;if(this.internal.isDestroyed)throw Error("Unable to apply stream because VoiceFocus worker has been destroyed");null===(s=this.internal.sourceNode)||void 0===s||s.disconnect(),null===(a=this.internal.destinationNode)||void 0===a||a.disconnect(),r&&this.internal.voiceFocusNode&&this.internal.voiceFocusNode.isEnabled()?(null===(o=this.logger)||void 0===o||o.info("Re-using existing voice focus node"),n=this.internal.voiceFocusNode):n=yield this.createNode(t,i);let d=t.createMediaStreamSource(e);d.connect(n);let l=t.createMediaStreamDestination();return n.connect(l),this.internal=Object.assign(Object.assign({},this.internal),{voiceFocusNode:n,sourceNode:d,destinationNode:l,audioContext:t}),{node:n,source:d,destination:l,stream:l.stream}})}applyToSourceNode(e,t,i){return n(this,void 0,void 0,function*(){let n=yield this.createNode(t,i);return e.connect(n),n})}}t.VoiceFocus=T,t.createAudioContext=(e=p)=>new(window.AudioContext||window.webkitAudioContext)(e),t.getAudioInput=(e,t,i)=>n(void 0,void 0,void 0,function*(){var n,r;let{constraints:s,spec:a,delegate:o,preload:d=!0,options:l}=t,{logger:c}=i,h=yield T.configure(a,i);if(!h.supported)return null===(n=i.logger)||void 0===n||n.warn("Voice Focus not supported; returning standard stream."),window.navigator.mediaDevices.getUserMedia(s);let f=yield T.init(h,{delegate:o,preload:d,logger:c}),m=(null===(r=t.options)||void 0===r?void 0:r.agc)||u,p=yield window.navigator.mediaDevices.getUserMedia(C(s,m));return f.applyToStream(p,e,l).then(e=>e.stream)})},13579:function(e,t,i){"use strict";var n=this&&this.__awaiter||function(e,t,i,n){return new(i||(i=Promise))(function(r,s){function a(e){try{d(n.next(e))}catch(e){s(e)}}function o(e){try{d(n.throw(e))}catch(e){s(e)}}function d(e){var t;e.done?r(e.value):((t=e.value)instanceof i?t:new i(function(e){e(t)})).then(a,o)}d((n=n.apply(e,t||[])).next())})};Object.defineProperty(t,"__esModule",{value:!0});let r=i(30589),s=i(99452);class a extends s.VoiceFocusAudioWorkletNode{constructor(e,t){super(e,t.processor,t),this.cpuWarningCount=0,this.metrics={latencyMillisAverage:0,snr:{average:0,averageActive:0,variance:0,varianceActive:0},drr:{average:0,variance:0,averageActive:0,varianceActive:0},vad:{average:0},cpu:{lateInvoke:0,longInvoke:0}},this.enabled=!1,this.channelCountMode="explicit",this.channelCount=1;let{modelURL:i,worker:n,fetchBehavior:s,logger:a,delegate:o}=t;this.logger=a,this.port.onmessage=this.onProcessorMessage.bind(this),this.delegate=o,a&&a.debug("VoiceFocusInlineNode:",i),this.worker=n,this.worker.onmessage=this.onWorkerMessage.bind(this);let d=(0,r.supportsWASMPostMessage)(globalThis)?"get-module":"get-module-buffer";this.worker.postMessage({message:d,key:"model",fetchBehavior:s,path:i}),this.enabled=!0}onModuleBufferLoaded(e,t){this.port.postMessage({message:"module-buffer",buffer:e,key:t})}onModuleLoaded(e,t){this.port.postMessage({message:"module",module:e,key:t})}enable(){return n(this,void 0,void 0,function*(){this.port.postMessage({message:"enable"}),this.enabled=!0})}disable(){return n(this,void 0,void 0,function*(){this.port.postMessage({message:"disable"}),this.enabled=!1})}setMode(e){return n(this,void 0,void 0,function*(){this.port.postMessage({message:"set-mode",mode:e})})}stop(){var e;return n(this,void 0,void 0,function*(){this.port.postMessage({message:"stop"});try{null===(e=this.worker)||void 0===e||e.terminate()}catch(e){console.error("failed to terminate worker:",e)}this.disconnect(),this.enabled=!1})}reset(){this.metrics={latencyMillisAverage:0,snr:{average:0,averageActive:0,variance:0,varianceActive:0},drr:{average:0,variance:0,averageActive:0,varianceActive:0},vad:{average:0},cpu:{lateInvoke:0,longInvoke:0}},this.port.postMessage({message:"reset"})}isEnabled(){return this.enabled}onProcessorMessage(e){var t,i,n,r,s,a;let{data:o}=e,{message:d}=o;switch(d){case"cpu":let{reason:l,count:c}=o;l&&c&&(this.metrics.cpu=Object.assign(Object.assign({},this.metrics.cpu),{[l]:c+this.metrics.cpu[l]})),this.cpuWarningCount++;let u=Date.now(),h=this.cpuWarningLastTriggered||u;(!this.cpuWarningLastTriggered||Math.abs(u-h)>5e3)&&(null===(t=this.logger)||void 0===t||t.warn(`CPU warning (count: ${this.cpuWarningCount}):`,d),this.cpuWarningCount=0,this.cpuWarningLastTriggered=u),null===(i=this.delegate)||void 0===i||i.onCPUWarning();break;case"metrics":let{metrics:f}=o;if(!f){null===(n=this.logger)||void 0===n||n.warn("Got metrics message but no metrics payload");break}if(this.metrics=Object.assign(Object.assign({},this.metrics),f),this.logger){let e=Date.now();e-(null!==(r=this.metricsLastRecorded)&&void 0!==r?r:0)>5e3&&(null===(s=this.logger)||void 0===s||s.debug("Contact metrics:",this.metrics),this.metricsLastRecorded=e)}break;default:null===(a=this.logger)||void 0===a||a.debug("Ignoring processor message.")}}getModelMetrics(){return this.metrics}onWorkerMessage(e){let t=e.data;switch(t.message){case"module-buffer":if(!t.buffer||!t.key)return;this.onModuleBufferLoaded(t.buffer,t.key);break;case"module":if(!t.module||!t.key)return;this.onModuleLoaded(t.module,t.key);break;case"stopped":this.worker&&this.worker.terminate();break;default:return}}}t.default=a},42312:function(e,t,i){"use strict";var n=this&&this.__awaiter||function(e,t,i,n){return new(i||(i=Prom

33ise))(function(r,s){function a(e){try{d(n.next(e))}catch(e){s(e)}}function o(e){try{d(n.throw(e))}catch(e){s(e)}}function d(e){var t;e.done?r(e.value):((t=e.value)instanceof i?t:new i(function(e){e(t)})).then(a,o)}d((n=n.apply(e,t||[])).next())})};Object.defineProperty(t,"__esModule",{value:!0});let r=i(30589),s=i(99452);class a extends s.VoiceFocusAudioWorkletNode{constructor(e,t){super(e,t.processor,t),this.enabled=!1,this.channelCountMode="explicit",this.channelCount=1;let{modelURL:i,audioBufferURL:n,worker:s,fetchBehavior:a,delegate:o}=t;this.delegate=o,this.worker=s,this.worker.onmessage=this.onWorkerMessage.bind(this),this.port.onmessage=this.onProcessorMessage.bind(this);let{enabled:d,agc:l,supportFarendStream:c}=t.processorOptions;this.worker.postMessage({message:"init",approach:"postMessage",frames:16e3===e.sampleRate?160:480,enabled:d,agc:l,fetchBehavior:a,model:i,supportFarendStream:c});let u=(0,r.supportsWASMPostMessage)(globalThis)?"get-module":"get-module-buffer";this.worker.postMessage({message:u,key:"buffer",fetchBehavior:a,path:n}),this.enabled=!0}enable(){return n(this,void 0,void 0,function*(){this.worker.postMessage({message:"enable"}),this.enabled=!0})}disable(){return n(this,void 0,void 0,function*(){this.worker.postMessage({message:"disable"}),this.enabled=!1})}setMode(e){return n(this,void 0,void 0,function*(){this.port.postMessage({message:"set-mode",mode:e})})}stop(){return n(this,void 0,void 0,function*(){try{this.worker.postMessage({message:"stop"})}catch(e){}this.disconnect(),this.enabled=!1})}getModelMetrics(){}reset(){}isEnabled(){return this.enabled}onWorkerMessage(e){var t;let i=e.data;switch(i.message){case"ready":this.port.postMessage({message:"ready",shared:i.shared},i.shared?Object.values(i.shared):[]);break;case"data":if(!i.buffer)return;this.port.postMessage({message:"data",buffer:i.buffer},[i.buffer]);break;case"stopped":this.worker.terminate();break;case"module-buffer":case"module":case"processing":this.port.postMessage(i);break;case"cpu":null===(t=this.delegate)||void 0===t||t.onCPUWarning();break;default:return}}onProcessorMessage(e){var t;let i=e.data;switch(i.message){case"data":if(!i.buffer)return;this.worker.postMessage({message:"data",buffer:i.buffer},[i.buffer]);break;case"cpu":null===(t=this.delegate)||void 0===t||t.onCPUWarning();break;case"prepare-for-frames":this.worker.postMessage(i);break;default:return}}}t.default=a},200:function(e,t,i){"use strict";var n=this&&this.__awaiter||function(e,t,i,n){return new(i||(i=Promise))(function(r,s){function a(e){try{d(n.next(e))}catch(e){s(e)}}function o(e){try{d(n.throw(e))}catch(e){s(e)}}function d(e){var t;e.done?r(e.value):((t=e.value)instanceof i?t:new i(function(e){e(t)})).then(a,o)}d((n=n.apply(e,t||[])).next())})};Object.defineProperty(t,"__esModule",{value:!0});let r=i(30589),s=i(99452),a={ready:0,enabled:1},o={disabled:0,enabled:1,stopped:2};class d extends s.VoiceFocusAudioWorkletNode{constructor(e,t){super(e,t.processor,t),this.enabled=!1,this.channelCountMode="explicit",this.channelCount=1;let{modelURL:i,resamplerURL:n,worker:s,fetchBehavior:a,delegate:o}=t;this.delegate=o,this.worker=s,this.worker.onmessage=this.onWorkerMessage.bind(this),this.port.onmessage=this.onProcessorMessage.bind(this);let{enabled:d,supportFarendStream:l}=t.processorOptions;this.worker.postMessage({message:"init",approach:"sab",frames:16e3===e.sampleRate?160:480,enabled:d,model:i,supportFarendStream:l});let c=(0,r.supportsWASMPostMessage)(globalThis)?"get-module":"get-module-buffer";this.worker.postMessage({message:c,key:"resampler",fetchBehavior:a,path:n}),this.enabled=!0}enable(){return 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33ROR:y,Z_DEFAULT_COMPRESSION:C,Z_FILTERED:w,Z_HUFFMAN_ONLY:T,Z_RLE:M,Z_FIXED:E,Z_DEFAULT_STRATEGY:A,Z_UNKNOWN:k,Z_DEFLATED:_}=i(20691),P=(e,t)=>(e.msg=c[t],t),R=e=>2*e-(e>4?9:0),I=e=>{let t=e.length;for(;--t>=0;)e[t]=0},O=e=>{let t,i,n;let r=e.w_size;n=t=e.hash_size;do i=e.head[--n],e.head[n]=i>=r?i-r:0;while(--t);n=t=r;do i=e.prev[--n],e.prev[n]=i>=r?i-r:0;while(--t)},x=(e,t,i)=>(t<<e.hash_shift^i)&e.hash_mask,D=e=>{let t=e.state,i=t.pending;i>e.avail_out&&(i=e.avail_out),0!==i&&(e.output.set(t.pending_buf.subarray(t.pending_out,t.pending_out+i),e.next_out),e.next_out+=i,t.pending_out+=i,e.total_out+=i,e.avail_out-=i,t.pending-=i,0===t.pending&&(t.pending_out=0))},B=(e,t)=>{s(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,D(e.strm)},N=(e,t)=>{e.pending_buf[e.pending++]=t},L=(e,t)=>{e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=255&t},F=(e,t,i,n)=>{let r=e.avail_in;return(r>n&&(r=n),0===r)?0:(e.avail_in-=r,t.set(e.input.subarray(e.next_in,e.next_in+r),i),1===e.state.wrap?e.adler=d(e.adler,t,r,i):2===e.state.wrap&&(e.adler=l(e.adler,t,r,i)),e.next_in+=r,e.total_in+=r,r)},V=(e,t)=>{let i,n,r=e.max_chain_length,s=e.strstart,a=e.prev_length,o=e.nice_match,d=e.strstart>e.w_size-262?e.strstart-(e.w_size-262):0,l=e.window,c=e.w_mask,u=e.prev,h=e.strstart+258,f=l[s+a-1],m=l[s+a];e.prev_length>=e.good_match&&(r>>=2),o>e.lookahead&&(o=e.lookahead);do{if(l[(i=t)+a]!==m||l[i+a-1]!==f||l[i]!==l[s]||l[++i]!==l[s+1])continue;s+=2,i++;do;while(l[++s]===l[++i]&&l[++s]===l[++i]&&l[++s]===l[++i]&&l[++s]===l[++i]&&l[++s]===l[++i]&&l[++s]===l[++i]&&l[++s]===l[++i]&&l[++s]===l[++i]&&s<h);if(n=258-(h-s),s=h-258,n>a){if(e.match_start=t,a=n,n>=o)break;f=l[s+a-1],m=l[s+a]}}while((t=u[t&c])>d&&0!=--r);return a<=e.lookahead?a:e.lookahead},U=e=>{let t,i,n;let r=e.w_size;do{if(i=e.window_size-e.lookahead-e.strstart,e.strstart>=r+(r-262)&&(e.window.set(e.window.subarray(r,r+r-i),0),e.match_start-=r,e.strstart-=r,e.block_start-=r,e.insert>e.strstart&&(e.insert=e.strstart),O(e),i+=r),0===e.strm.avail_in)break;if(t=F(e.strm,e.window,e.strstart+e.lookahead,i),e.lookahead+=t,e.lookahead+e.insert>=3)for(n=e.strstart-e.insert,e.ins_h=e.window[n],e.ins_h=x(e,e.ins_h,e.window[n+1]);e.insert&&(e.ins_h=x(e,e.ins_h,e.window[n+3-1]),e.prev[n&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=n,n++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<262&&0!==e.strm.avail_in)},z=(e,t)=>{let i=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n,s,a,o=0,d=e.strm.avail_in;do{if(n=65535,a=e.bi_valid+42>>3,e.strm.avail_out<a||(a=e.strm.avail_out-a,n>(s=e.strstart-e.block_start)+e.strm.avail_in&&(n=s+e.strm.avail_in),n>a&&(n=a),n<i&&(0===n&&t!==m||t===u||n!==s+e.strm.avail_in)))break;o=t===m&&n===s+e.strm.avail_in?1:0,r(e,0,0,o),e.pending_buf[e.pending-4]=n,e.pending_buf[e.pending-3]=n>>8,e.pending_buf[e.pending-2]=~n,e.pending_buf[e.pending-1]=~n>>8,D(e.strm),s&&(s>n&&(s=n),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,n-=s),n&&(F(e.strm,e.strm.output,e.strm.next_out,n),e.strm.next_out+=n,e.strm.avail_out-=n,e.strm.total_out+=n)}while(0===o);return((d-=e.strm.avail_in)&&(d>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=d&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-d,e.strm.next_in),e.strstart),e.strstart+=d,e.insert+=d>e.w_size-e.insert?e.w_size-e.insert:d),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),o)?4:t!==u&&t!==m&&0===e.strm.avail_in&&e.strstart===e.block_start?2:(a=e.window_size-e.strstart,e.strm.avail_in>a&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,a+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),a>e.strm.avail_in&&(a=e.strm.avail_in),a&&(F(e.strm,e.window,e.strstart,a),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.high_water<e.strstart&&(e.high_water=e.strstart),a=e.bi_valid+42>>3,i=(a=e.pending_buf_size-a>65535?65535:e.pending_buf_size-a)>

33e.w_size?e.w_size:a,((s=e.strstart-e.block_start)>=i||(s||t===m)&&t!==u&&0===e.strm.avail_in&&s<=a)&&(n=s>a?a:s,o=t===m&&0===e.strm.avail_in&&n===s?1:0,r(e,e.block_start,n,o),e.block_start+=n,D(e.strm)),o?3:1)},$=(e,t)=>{let i,n;for(;;){if(e.lookahead<262){if(U(e),e.lookahead<262&&t===u)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=x(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-262&&(e.match_length=V(e,i)),e.match_length>=3){if(n=a(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do e.strstart++,e.ins_h=x(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart;while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=x(e,e.ins_h,e.window[e.strstart+1])}else n=a(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(n&&(B(e,!1),0===e.strm.avail_out))return 1}return(e.insert=e.strstart<2?e.strstart:2,t===m)?(B(e,!0),0===e.strm.avail_out)?3:4:e.sym_next&&(B(e,!1),0===e.strm.avail_out)?1:2},H=(e,t)=>{let i,n,r;for(;;){if(e.lookahead<262){if(U(e),e.lookahead<262&&t===u)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=x(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=2,0!==i&&e.prev_length<e.max_lazy_match&&e.strstart-i<=e.w_size-262&&(e.match_length=V(e,i),e.match_length<=5&&(e.strategy===w||3===e.match_length&&e.strstart-e.match_start>4096)&&(e.match_length=2)),e.prev_length>=3&&e.match_length<=e.prev_length){r=e.strstart+e.lookahead-3,n=a(e,e.strstart-1-e.prev_match,e.prev_length-3),e.lookahead-=e.prev_length-1,e.prev_length-=2;do++e.strstart<=r&&(e.ins_h=x(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart);while(0!=--e.prev_length);if(e.match_available=0,e.match_length=2,e.strstart++,n&&(B(e,!1),0===e.strm.avail_out))return 1}else if(e.match_available){if((n=a(e,0,e.window[e.strstart-1]))&&B(e,!1),e.strstart++,e.lookahead--,0===e.strm.avail_out)return 1}else e.match_available=1,e.strstart++,e.lookahead--}return(e.match_available&&(n=a(e,0,e.window[e.strstart-1]),e.match_available=0),e.insert=e.strstart<2?e.strstart:2,t===m)?(B(e,!0),0===e.strm.avail_out)?3:4:e.sym_next&&(B(e,!1),0===e.strm.avail_out)?1:2},j=(e,t)=>{let i,n,r,s;let o=e.window;for(;;){if(e.lookahead<=258){if(U(e),e.lookahead<=258&&t===u)return 1;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=3&&e.strstart>0&&(n=o[r=e.strstart-1])===o[++r]&&n===o[++r]&&n===o[++r]){s=e.strstart+258;do;while(n===o[++r]&&n===o[++r]&&n===o[++r]&&n===o[++r]&&n===o[++r]&&n===o[++r]&&n===o[++r]&&n===o[++r]&&r<s);e.match_length=258-(s-r),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=3?(i=a(e,1,e.match_length-3),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=a(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(B(e,!1),0===e.strm.avail_out))return 1}return(e.insert=0,t===m)?(B(e,!0),0===e.strm.avail_out)?3:4:e.sym_next&&(B(e,!1),0===e.strm.avail_out)?1:2},W=(e,t)=>{let i;for(;;){if(0===e.lookahead&&(U(e),0===e.lookahead)){if(t===u)return 1;break}

33if(e.match_length=0,i=a(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(B(e,!1),0===e.strm.avail_out))return 1}return(e.insert=0,t===m)?(B(e,!0),0===e.strm.avail_out)?3:4:e.sym_next&&(B(e,!1),0===e.strm.avail_out)?1:2};function G(e,t,i,n,r){this.good_length=e,this.max_lazy=t,this.nice_length=i,this.max_chain=n,this.func=r}let K=[new G(0,0,0,0,z),new G(4,4,8,4,$),new G(4,5,16,8,$),new G(4,6,32,32,$),new G(4,4,16,16,H),new G(8,16,32,32,H),new G(8,16,128,128,H),new G(8,32,128,256,H),new G(32,128,258,1024,H),new G(32,258,258,4096,H)],q=e=>{e.window_size=2*e.w_size,I(e.head),e.max_lazy_match=K[e.level].max_lazy,e.good_match=K[e.level].good_length,e.nice_match=K[e.level].nice_length,e.max_chain_length=K[e.level].max_chain,e.strstart=0,e.block_start=0,e.lookahead=0,e.insert=0,e.match_length=e.prev_length=2,e.match_available=0,e.ins_h=0};function Q(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=_,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),I(this.dyn_ltree),I(this.dyn_dtree),I(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),I(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new Uint16Array(573),I(this.depth),this.sym_buf=0,this.lit_bufsize=0,this.sym_next=0,this.sym_end=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}let J=e=>{if(!e)return 1;let t=e.state;return t&&t.strm===e&&(42===t.status||57===t.status||69===t.status||73===t.status||91===t.status||103===t.status||113===t.status||666===t.status)?0:1},Y=e=>{if(J(e))return P(e,b);e.total_in=e.total_out=0,e.data_type=k;let t=e.state;return t.pending=0,t.pending_out=0,t.wrap<0&&(t.wrap=-t.wrap),t.status=2===t.wrap?57:t.wrap?42:113,e.adler=2===t.wrap?0:1,t.last_flush=-2,n(t),g},X=e=>{let t=Y(e);return t===g&&q(e.state),t},Z=(e,t,i,n,r,s)=>{if(!e)return b;let a=1;if(t===C&&(t=6),n<0?(a=0,n=-n):n>15&&(a=2,n-=16),r<1||r>9||i!==_||n<8||n>15||t<0||t>9||s<0||s>E||8===n&&1!==a)return P(e,b);8===n&&(n=9);let o=new Q;return e.state=o,o.strm=e,o.status=42,o.wrap=a,o.gzhead=null,o.w_bits=n,o.w_size=1<<o.w_bits,o.w_mask=o.w_size-1,o.hash_bits=r+7,o.hash_size=1<<o.hash_bits,o.hash_mask=o.hash_size-1,o.hash_shift=~~((o.hash_bits+3-1)/3),o.window=new Uint8Array(2*o.w_size),o.head=new Uint16Array(o.hash_size),o.prev=new Uint16Array(o.w_size),o.lit_bufsize=1<<r+6,o.pending_buf_size=4*o.lit_bufsize,o.pending_buf=new Uint8Array(o.pending_buf_size),o.sym_buf=o.lit_bufsize,o.sym_end=(o.lit_bufsize-1)*3,o.level=t,o.strategy=s,o.method=i,X(e)};e.exports.deflateInit=(e,t)=>Z(e,t,_,15,8,A),e.exports.deflateInit2=Z,e.exports.deflateReset=X,e.exports.deflateResetKeep=Y,e.exports.deflateSetHeader=(e,t)=>J(e)||2!==e.state.wrap?b:(e.state.gzhead=t,g),e.exports.deflate=(e,t)=>{if(J(e)||t>p||t<0)return e?P(e,b):b;let i=e.state;if(!e.output||0!==e.avail_in&&!e.input||666===i.status&&t!==m)return P(e,0===e.avail_out?y:b);let n=i.last_flush;if(i.last_flush=t,0!==i.pending){if(D(e),0===e.avail_out)return i.last_flush=-1,g}else if(0===e.avail_in&&R(t)<=R(n)&&t!==m)return P(e,y);if(666===i.status&&0!==e.avail_in)return P(e,y);if(42===i.status&&0===i.wrap&&(i.status=113),42===i.status){let t=_+(i.w_bits-8<<4)<<8;if(t|=(i.strategy>=T||i.level<2?0:i.level<6?1:6===i.level?2:3)<<6,0!==i.strstart&&(t|=32),L(i,t+=31-t%31),0!==i.strstart&&(L(i,e.adler>>>16),L(i,65535&e.adler)),e.adler=1,i.status=113,D(e),0!==i.pending)return i.last_flush=-1,g}if(57===i.status){if(e.adler=0,N(i,31),N(i,139),N(i,8),i.gzhead)N(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),N(i,255&i.gzhead.time),N(i,i.gzhead.time>>8&255),N(i,i.gzhead.time>>16&255),N(i,i.gzhead.time>>24&255),N(i,9===i.level?2:i.strategy>=T||i.level<2?4:0),N(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(N(i,255&i.gzhead.extra.length),N(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=l(e.adler,i.pending_buf,i.pending,0)),i.gz

33index=0,i.status=69;else if(N(i,0),N(i,0),N(i,0),N(i,0),N(i,0),N(i,9===i.level?2:i.strategy>=T||i.level<2?4:0),N(i,3),i.status=113,D(e),0!==i.pending)return i.last_flush=-1,g}if(69===i.status){if(i.gzhead.extra){let t=i.pending,n=(65535&i.gzhead.extra.length)-i.gzindex;for(;i.pending+n>i.pending_buf_size;){let r=i.pending_buf_size-i.pending;if(i.pending_buf.set(i.gzhead.extra.subarray(i.gzindex,i.gzindex+r),i.pending),i.pending=i.pending_buf_size,i.gzhead.hcrc&&i.pending>t&&(e.adler=l(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex+=r,D(e),0!==i.pending)return i.last_flush=-1,g;t=0,n-=r}let r=new Uint8Array(i.gzhead.extra);i.pending_buf.set(r.subarray(i.gzindex,i.gzindex+n),i.pending),i.pending+=n,i.gzhead.hcrc&&i.pending>t&&(e.adler=l(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex=0}i.status=73}if(73===i.status){if(i.gzhead.name){let t,n=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>n&&(e.adler=l(e.adler,i.pending_buf,i.pending-n,n)),D(e),0!==i.pending)return i.last_flush=-1,g;n=0}t=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,N(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>n&&(e.adler=l(e.adler,i.pending_buf,i.pending-n,n)),i.gzindex=0}i.status=91}if(91===i.status){if(i.gzhead.comment){let t,n=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>n&&(e.adler=l(e.adler,i.pending_buf,i.pending-n,n)),D(e),0!==i.pending)return i.last_flush=-1,g;n=0}t=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,N(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>n&&(e.adler=l(e.adler,i.pending_buf,i.pending-n,n))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(D(e),0!==i.pending))return i.last_flush=-1,g;N(i,255&e.adler),N(i,e.adler>>8&255),e.adler=0}if(i.status=113,D(e),0!==i.pending)return i.last_flush=-1,g}if(0!==e.avail_in||0!==i.lookahead||t!==u&&666!==i.status){let n=0===i.level?z(i,t):i.strategy===T?W(i,t):i.strategy===M?j(i,t):K[i.level].func(i,t);if((3===n||4===n)&&(i.status=666),1===n||3===n)return 0===e.avail_out&&(i.last_flush=-1),g;if(2===n&&(t===h?o(i):t!==p&&(r(i,0,0,!1),t===f&&(I(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),D(e),0===e.avail_out))return i.last_flush=-1,g}return t!==m?g:i.wrap<=0?v:(2===i.wrap?(N(i,255&e.adler),N(i,e.adler>>8&255),N(i,e.adler>>16&255),N(i,e.adler>>24&255),N(i,255&e.total_in),N(i,e.total_in>>8&255),N(i,e.total_in>>16&255),N(i,e.total_in>>24&255)):(L(i,e.adler>>>16),L(i,65535&e.adler)),D(e),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?g:v)},e.exports.deflateEnd=e=>{if(J(e))return b;let t=e.state.status;return e.state=null,113===t?P(e,S):g},e.exports.deflateSetDictionary=(e,t)=>{let i=t.length;if(J(e))return b;let n=e.state,r=n.wrap;if(2===r||1===r&&42!==n.status||n.lookahead)return b;if(1===r&&(e.adler=d(e.adler,t,i,0)),n.wrap=0,i>=n.w_size){0===r&&(I(n.head),n.strstart=0,n.block_start=0,n.insert=0);let e=new Uint8Array(n.w_size);e.set(t.subarray(i-n.w_size,i),0),t=e,i=n.w_size}let s=e.avail_in,a=e.next_in,o=e.input;for(e.avail_in=i,e.next_in=0,e.input=t,U(n);n.lookahead>=3;){let e=n.strstart,t=n.lookahead-2;do n.ins_h=x(n,n.ins_h,n.window[e+3-1]),n.prev[e&n.w_mask]=n.head[n.ins_h],n.head[n.ins_h]=e,e++;while(--t);n.strstart=e,n.lookahead=2,U(n)}return n.strstart+=n.lookahead,n.block_start=n.strstart,n.insert=n.lookahead,n.lookahead=0,n.match_length=n.prev_length=2,n.match_available=0,e.next_in=a,e.input=o,e.avail_in=s,n.wrap=r,g},e.exports.deflateInfo="pako deflate (from Nodeca project)"},90208:function(e){"use strict";e.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},68030:function(e){"use strict";e.exports=function(e,t){let i,n,r,s,a,o,d,l,c,u,h,f,m,p,g,v,b,S,y,C,w,T,M,E;let A=e.state;i=e.next_in,M=e.input,n=i+(e.avail_in-5),r=e.next_out,E=e.output,s=r-(t-e.avail_out),a=r+(e.avail_out-257),o=A.dmax,d=A.wsize,l=A.whave,c=A.wnext,u=A.window,h=A.hold,f=A.bits,m=A.lencode,p=A.distcode,g=(1<<A.lenbits)-1,v=(1<<A.distbits)-1;e:do for(f<15&&(h+=M[i++]<<f,f+=8,h+=M[i++]<<f,f+=8),b=m[h&g];;){if(h>>>=S=b>>>24,f-=S,0==(S=b>>>16&255))E[r++]=65535&b;else if(16&S)for(y=65535&b,(S&=15)&&(f<S&&(h+=M[i++]<<f,f+=8),y+=h&(1<<S)-1,h>>>=S,f-=S),f<15&&(h+=M[i++]<<f,f+=8,h+=M[i++]<<f,f+=8),b=p[h&v];;){if(h>>>=S=b>>>24,f-=S,16&(S=b>>

33>16&255)){if(C=65535&b,f<(S&=15)&&(h+=M[i++]<<f,(f+=8)<S&&(h+=M[i++]<<f,f+=8)),(C+=h&(1<<S)-1)>o){e.msg="invalid distance too far back",A.mode=16209;break e}if(h>>>=S,f-=S,C>(S=r-s)){if((S=C-S)>l&&A.sane){e.msg="invalid distance too far back",A.mode=16209;break e}if(w=0,T=u,0===c){if(w+=d-S,S<y){y-=S;do E[r++]=u[w++];while(--S);w=r-C,T=E}}else if(c<S){if(w+=d+c-S,(S-=c)<y){y-=S;do E[r++]=u[w++];while(--S);if(w=0,c<y){y-=S=c;do E[r++]=u[w++];while(--S);w=r-C,T=E}}}else if(w+=c-S,S<y){y-=S;do E[r++]=u[w++];while(--S);w=r-C,T=E}for(;y>2;)E[r++]=T[w++],E[r++]=T[w++],E[r++]=T[w++],y-=3;y&&(E[r++]=T[w++],y>1&&(E[r++]=T[w++]))}else{w=r-C;do E[r++]=E[w++],E[r++]=E[w++],E[r++]=E[w++],y-=3;while(y>2);y&&(E[r++]=E[w++],y>1&&(E[r++]=E[w++]))}}else if((64&S)==0){b=p[(65535&b)+(h&(1<<S)-1)];continue}else{e.msg="invalid distance code",A.mode=16209;break e}break}else if((64&S)==0){b=m[(65535&b)+(h&(1<<S)-1)];continue}else if(32&S){A.mode=16191;break e}else{e.msg="invalid literal/length code",A.mode=16209;break e}break}while(i<n&&r<a);i-=y=f>>3,f-=y<<3,h&=(1<<f)-1,e.next_in=i,e.next_out=r,e.avail_in=i<n?5+(n-i):5-(i-n),e.avail_out=r<a?257+(a-r):257-(r-a),A.hold=h,A.bits=f}},90658:function(e,t,i){"use strict";let n,r;let s=i(92432),a=i(72473),o=i(68030),d=i(94578),{Z_FINISH:l,Z_BLOCK:c,Z_TREES:u,Z_OK:h,Z_STREAM_END:f,Z_NEED_DICT:m,Z_STREAM_ERROR:p,Z_DATA_ERROR:g,Z_MEM_ERROR:v,Z_BUF_ERROR:b,Z_DEFLATED:S}=i(20691),y=e=>(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24);function C(){this.strm=null,this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}let w=e=>{if(!e)return 1;let t=e.state;return!t||t.strm!==e||t.mode<16180||t.mode>16211?1:0},T=e=>{if(w(e))return p;let t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=16180,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,h},M=e=>{if(w(e))return p;let t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,T(e)},E=(e,t)=>{let i;if(w(e))return p;let n=e.state;return(t<0?(i=0,t=-t):(i=(t>>4)+5,t<48&&(t&=15)),t&&(t<8||t>15))?p:(null!==n.window&&n.wbits!==t&&(n.window=null),n.wrap=i,n.wbits=t,M(e))},A=(e,t)=>{if(!e)return p;let i=new C;e.state=i,i.strm=e,i.window=null,i.mode=16180;let n=E(e,t);return n!==h&&(e.state=null),n},k=!0,_=e=>{if(k){n=new Int32Array(512),r=new Int32Array(32);let t=0;for(;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(d(1,e.lens,0,288,n,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;d(2,e.lens,0,32,r,0,e.work,{bits:5}),k=!1}e.lencode=n,e.lenbits=9,e.distcode=r,e.distbits=5},P=(e,t,i,n)=>{let r;let s=e.state;return null===s.window&&(s.wsize=1<<s.wbits,s.wnext=0,s.whave=0,s.window=new Uint8Array(s.wsize)),n>=s.wsize?(s.window.set(t.subarray(i-s.wsize,i),0),s.wnext=0,s.whave=s.wsize):((r=s.wsize-s.wnext)>n&&(r=n),s.window.set(t.subarray(i-n,i-n+r),s.wnext),(n-=r)?(s.window.set(t.subarray(i-n,i),0),s.wnext=n,s.whave=s.wsize):(s.wnext+=r,s.wnext===s.wsize&&(s.wnext=0),s.whave<s.wsize&&(s.whave+=r))),0};e.exports.inflateReset=M,e.exports.inflateReset2=E,e.exports.inflateResetKeep=T,e.exports.inflateInit=e=>A(e,15),e.exports.inflateInit2=A,e.exports.inflate=(e,t)=>{let i,n,r,C,T,M,E,A,k,R,I,O,x,D,B,N,L,F,V,U,z,$,H,j;let W=0,G=new Uint8Array(4),K=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(w(e)||!e.output||!e.input&&0!==e.avail_in)return p;16191===(i=e.state).mode&&(i.mode=16192),T=e.next_out,r=e.output,E=e.avail_out,C=e.next_in,n=e.input,M=e.avail_in,A=i.hold,k=i.bits,R=M,I=E,$=h;t:for(;;)switch(i.mode){case 16180:if(0===i.wrap){i.mode=16192;break}for(;k<16;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(2&i.wrap&&35615===A){0===i.wbits&&(i.wbits=15),i.check=0,G[0]=255&A,G[1]=A>>>8&255,i.check=a(i.check,G,2,0),A=0,k=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&A)<<8)+(A>>8))%31){e.msg="incorrect header check",i.mode=16209;break}if((15&A)!==S){e.msg="unknown compression method",i.mode=16209;break}if(A>>>=4,k-=4,z=(15&A)+8,0===i.wbits&&(i.wbits=z),z>15||z>i.wbits){e.msg="invalid window size",i.mode=16209;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&A?16189:16191,A=0,k=0;break;case 16181:for(;k<16;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(i.flags=A,(255&i.flags)!==S){e.msg="unknown compression method",i.mode=16209;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=16209;break}i.head&&(i.head.text=A>>8&1),512&i.flags&&4&i.wrap&&(G[0]=255&A,G[1]=A>>>8&255,i.check=a(i.check,G,2,0)),A=0,k=0,i.mode=16182;case 16182:for(;k<32;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}i.head&&(i.head.time=A),512&i.flags&&4&i.wrap&&(G[0]=255&A,G[1]=A>>>8&255,G[2]=A>>>16&255,G[3]=A>>>24&255,i.check=a(i.check,G,4,0)),A=0,k=0,i.mode=16183;case 16183:for(;k<16;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}i.head&&(i.head.xflags=255&A,i.head.os=A>>8),512&i.flags&&4&i.wrap&&(G[0]=255&A,G[1]=A>>>8&255,i.check=a(i.check,G,2,0)),A=0,k=0,i.mode=16184;case 16184:if(1024&i.flags){for(;k<16;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}i.length=A,i.head&&(i.head.extra_len=A),512&i.flags&&4&i.wrap&&(G[0]=255&A,G[1]=A>>>8&255,i.check=a(i.check,G,2,0)),A=0,k=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&((O=i.length)>M&&(O=M),O&&(i.head&&(z=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(n.subarray(C,C+O),z)),512&i.flags&&4&i.wrap&&(i.check=a(i.check,n,O,C)),M-=O,C+=O,i.length-=O),i.length))break t;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===M)break t;O=0;do z=n[C+O++],i.head&&z&&i.length<65536&&(i.head.name+=String.fromCharCode(z));while(z&&O<M);if(512&i.flags&&4&i.wrap&&(i.check=a(i.check,n,O,C)),M-=O,C+=O,z)break t}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===M)break t;O=0;do z=n[C+O++],i.head&&z&&i.length<65536&&(i.head.comment+=String.fromCharCode(z));while(z&&O<M);if(512&i.flags&&4&i.wrap&&(i.check=a(i.check,n,O,C)),M-=O,C+=O,z)break t}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;k<16;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(4&i.wrap&&A!==(65535&i.check)){e.msg="header crc mismatch",i.mode=16209;break}A=0,k=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=16191;break;case 16189:for(;k<32;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}e.adler=i.check=y(A),A=0,k=0,i.mode=16190;case 16190:if(0===i.havedict)return e.next_out=T,e.avail_out=E,e.next_in=C,e.avail_in=M,i.hold=A,i.bits=k,m;e.adler=i.check=1,i.mode=16191;case 16191:if(t===c||t===u)break t;case 16192:if(i.last){A>>>=7&k,k-=7&k,i.mode=16206;break}for(;k<3;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}switch(i.last=1&A,k-=1,3&(A>>>=1)){case 0:i.mode=16193;break;case 1:if(_(i),i.mode=16199,t===u){A>>>=2,k-=2;break t}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=16209}A>>>=2,k-=2;break;case 16193:for(A>>>=7&k,k-=7&k;k<32;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if((65535&A)!=(A>>>16^65535)){e.msg="invalid stored block lengths",i.mode=16209;break}if(i.length=65535&A,A=0,k=0,i.mode=16194,t===u)break t;case 16194:i.mode=16195;case 16195:if(O=i.length){if(O>M&&(O=M),O>E&&(O=E),0===O)break t;r.set(n.subarray(C,C+O),T),M-=O,C+=O,E-=O,T+=O,i.length-=O;break}i.mode=16191;break;case 16196:for(;k<14;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(i.nlen=(31&A)+257,A>>>=5,k-=5,i.ndist=(31&A)+1,A>>>=5,k-=5,i.ncode=(15&A)+4,A>>>=4,k-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=16209;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;k<3;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}i.lens[K[i.have++]]=7&A,A>>>=3,k-=3}for(;i.have<19;)i.lens[K[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,H={bits:i.lenbits},$=d(0,i.lens,0,19,i.lencode,0,i.work,H),i.lenbits=H.bits,$){e.msg="invalid code lengths set",i.mode=16209;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;B=(W=i.lencode[A&(1<<i.lenbits)-1])>>>24,N=W>>>16&255,L=65535&W,!(B<=k);){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(L<16)A>>>=B,k-=B,i.lens[i.have++]=L;else{if(16===L){for(j=B+2;k<j;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(A>>>=B,k-=B,0===i.have){e.msg="invalid bit length repeat",i.mode=16209;break}z=i.lens[i.have-1],O=3+(3&A),A>>>=2,k-=2}else if(17===L){for(j=B+3;k<j;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}A>>>=B,k-=B,z=0,O=3+(7&A),A>>>=3,k-=3}else{for(j=B+7;k<j;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}A>>>=B,k-=B,z=0,O=11+(127&A),A>>>=7,k-=7}if(i.have+O>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=16209;break}for(;O--;)i.lens[i.have++]=z}}if(16209===i.mode)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=16209;break}if(i.lenbits=9,H={bits:i.lenbits},$=d(1,i.lens,0,i.nlen,i.lencode,0,i.work,H),i.lenbits=H.bits,$){e.msg="invalid literal/lengths set",i.mode=16209;break}if(i.distbits=6,i.distcode=i.distdyn,H={bits:i.distbits},$=d(2,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,H),i.distbits=H.bits,$){e.msg="invalid distances set",i.mode=16209;break}if(i.mode=16199,t===u)break t;case 16199:i.mode=16200;case 16200:if(M>=6&&E>=258){e.next_out=T,e.avail_out=E,e.next_in=C,e.avail_in=M,i.hold=A,i.bits=k,o(e,I),T=e.next_out,r=e.output,E=e.avail_out,C=e.next_in,n=e.input,M=e.avail_in,A=i.hold,k=i.bits,16191===i.mode&&(i.back=-1);break}for(i.back=0;B=(W=i.lencode[A&(1<<i.lenbits)-1])>>>24,N=W>>>16&255,L=65535&W,!(B<=k);){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(N&&(240&N)==0){for(F=B,V=N,U=L;B=(W=i.lencode[U+((A&(1<<F+V)-1)>>F)])>>>24,N=W>>>16&255,L=65535&W,!(F+B<=k);){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}A>>>=F,k-=F,i.back+=F}if(A>>>=B,k-=B,i.back+=B,i.length=L,0===N){i.mode=16205;break}if(32&N){i.back=-1,i.mode=16191;break}if(64&N){e.msg="invalid literal/length code",i.mode=16209;break}i.extra=15&N,i.mode=16201;case 16201:if(i.extra){for(j=i.extra;k<j;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}i.length+=A&(1<<i.extra)-1,A>>>=i.extra,k-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;B=(W=i.distcode[A&(1<<i.distbits)-1])>>>24,N=W>>>16&255,L=65535&W,!(B<=k);){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if((240&N)==0){for(F=B,V=N,U=L;B=(W=i.distcode[U+((A&(1<<F+V)-1)>>F)])>>>24,N=W>>>16&255,L=65535&W,!(F+B<=k);){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}A>>>=F,k-=F,i.back+=F}if(A>>>=B,k-=B,i.back+=B,64&N){e.msg="invalid distance code",i.mode=16209;break}i.offset=L,i.extra=15&N,i.mode=16203;case 16203:if(i.extra){for(j=i.extra;k<j;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}i.offset+=A&(1<<i.extra)-1,A>>>=i.extra,k-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=16209;break}i.mode=16204;case 16204:if(0===E)break t;if(O=I-E,i.offset>O){if((O=i.offset-O)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=16209;break}O>i.wnext?(O-=i.wnext,x=i.wsize-O):x=i.wnext-O,O>i.length&&(O=i.length),D=i.window}else D=r,x=T-i.offset,O=i.length;O>E&&(O=E),E-=O,i.length-=O;do r[T++]=D[x++];while(--O);0===i.length&&(i.mode=16200);break;case 16205:if(0===E)break t;r[T++]=i.length,E--,i.mode=16200;break;case 16206:if(i.wrap){for(;k<32;){if(0===M)break t;M--,A|=n[C++]<<k,k+=8}if(I-=E,e.total_out+=I,i.total+=I,4&i.wrap&&I&&(e.adler=i.check=i.flags?a(i.check,r,I,T-I):s(i.check,r,I,T-I)),I=E,4&i.wrap&&(i.flags?A:y(A))!==i.check){e.msg="incorrect data check",i.mode=16209;break}A=0,k=0}i.mode=16207;case 16207:if(i.wrap&&i.flags){for(;k<32;){if(0===M)break t;M--,A+=n[C++]<<k,k+=8}if(4&i.wrap&&A!==(4294967295&i.total)){e.msg="incorrect length check",i.mode=16209;break}A=0,k=0}i.mode=16208;case 16208:$=f;break t;case 16209:$=g;break t;case 16210:return v;default:return p}return(e.next_out=T,e.avail_out=E,e.next_in=C,e.avail_in=M,i.hold=A,i.bits=k,(i.wsize||I!==e.avail_out&&i.mode<16209&&(i.mode<16206||t!==l))&&P(e,e.output,e.next_out,I-e.avail_out))?(i.mode=16210,v):(R-=e.avail_in,I-=e.avail_out,e.total_in+=R,e.total_out+=I,i.total+=I,4&i.wrap&&I&&(e.adler=i.check=i.flags?a(i.check,r,I,e.next_out-I):s(i.check,r,I,e.next_out-I)),e.data_type=i.bits+(i.last?64:0)+(16191===i.mode?128:0)+(16199===i.mode||16194===i.mode?256:0),(0===R&&0===I||t===l)&&$===h&&($=b),$)},e.exports.inflateEnd=e=>{if(w(e))return p;let t=e.state;return t.window&&(t.window=null),e.state=null,h},e.exports.inflateGetHeader=(e,t)=>{if(w(e))return p;let i=e.state;return(2&i.wrap)==0?p:(i.head=t,t.done=!1,h)},e.exports.inflateSetDictionary=(e,t)=>{let i;let n=t.length;return w(e)||0!==(i=e.state).wrap&&16190!==i.mode?p:16190===i.mode&&s(1,t,n,0)!==i.check?g:P(e,t,n,n)?(i.mode=16210,v):(i.havedict=1,h)},e.exports.inflateInfo="pako inflate (from Nodeca project)"},94578:function(e){"use 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e.isNegative()?this.neg().mul(e.neg()):this.neg().mul(e).neg();if(e.isNegative())return this.mul(e.neg()).neg();if(this.lt(g)&&e.lt(g))return d(this.toNumber()*e.toNumber(),this.unsigned);var i,r,s=this.high>>>16,a=65535&this.high,o=this.low>>>16,c=65535&this.low,u=e.high>>>16,f=65535&e.high,m=e.low>>>16,p=65535&e.low,S=0,y=0;return i=0+((r=0+c*p)>>>16),r&=65535,i+=o*p,y+=i>>>16,i&=65535,i+=c*m,y+=i>>>16,i&=65535,y+=a*p,S+=y>>>16,y&=65535,y+=o*m,S+=y>>>16,y&=65535,y+=c*f,S+=y>>>16,y&=65535,S+=s*p+a*m+o*f+c*u,l(i<<16|r,(S&=65535)<<16|y,this.unsigned)},E.mul=E.multiply,E.divide=function(e){if(n(e)||(e=h(e)),e.isZero())throw Error("division by zero");if(t){var i,r,s;return this.unsigned||-2147483648!==this.high||-1!==e.low||-1!==e.high?l((this.unsigned?t.div_u:t.div_s)(this.low,this.high,e.low,e.high),t.get_high(),this.unsigned):this}if(this.isZero())return this.unsigned?b:v;if(this.unsigned){if(e.unsigned||(e=e.toUnsigned()),e.gt(this))return b;if(e.gt(this.shru(1)))return y;s=b}else{if(this.eq(M))return e.eq(S)||e.eq(C)?M:e.eq(M)?S:(i=this.shr(1).div(e).shl(1)).eq(v)?e.isNegative()?S:C:(r=this.sub(e.mul(i)),s=i.add(r.div(e)));if(e.eq(M))return this.unsigned?b:v;if(this.isNegative())return e.isNegative()?this.neg().div(e.neg()):this.neg().div(e).neg();if(e.isNegative())return this.div(e.neg()).neg();s=v}for(r=this;r.gte(e);){for(var a=Math.ceil(Math.log(i=Math.max(1,Math.floor(r.toNumber()/e.toNumber())))/Math.LN2),o=a<=48?1:c(2,a-48),u=d(i),f=u.mul(e);f.isNegative()||f.gt(r);)i-=o,f=(u=d(i,this.unsigned)).mul(e);u.isZero()&&(u=S),s=s.add(u),r=r.sub(f)}return s},E.div=E.divide,E.modulo=function(e){return(n(e)||(e=h(e)),t)?l((this.unsigned?t.rem_u:t.rem_s)(this.low,this.high,e.low,e.high),t.get_high(),this.unsigned):this.sub(this.div(e).mul(e))},E.mod=E.modulo,E.rem=E.modulo,E.not=function(){return l(~this.low,~this.high,this.unsigned)},E.countLeadingZeros=function(){return this.high?Math.clz32(this.high):Math.clz32(this.low)+32},E.clz=E.countLeadingZeros,E.countTrailingZeros=function(){return this.low?r(this.low):r(this.high)+32},E.ctz=E.countTrailingZeros,E.and=function(e){return n(e)||(e=h(e)),l(this.low&e.low,this.high&e.high,this.unsigned)},E.or=function(e){return n(e)||(e=h(e)),l(this.low|e.low,this.high|e.high,this.unsigned)},E.xor=function(e){return n(e)||(e=h(e)),l(this.low^e.low,this.high^e.high,this.unsigned)},E.shiftLeft=function(e){return(n(e)&&(e=e.toInt()),0==(e&=63))?this:e<32?l(this.low<<e,this.high<<e|this.low>>>32-e,this.unsigned):l(0,this.low<<e-32,this.unsigned)},E.shl=E.shiftLeft,E.shiftRight=function(e){return(n(e)&&(e=e.toInt()),0==(e&=63))?this:e<32?l(this.low>>>e|this.high<<32-e,this.high>>e,this.unsigned):l(this.high>>e-32,this.high>=0?0:-1,this.unsigned)},E.shr=E.shiftRight,E.shiftRightUnsigned=function(e){return(n(e)&&(e=e.toInt()),0==(e&=63))?this:e<32?l(this.low>>>e|this.high<<32-e,this.high>>>e,this.unsigned):32===e?l(this.high,0,this.unsigned):l(this.high>>>e-32,0,this.unsigned)},E.shru=E.shiftRightUnsigned,E.shr_u=E.shiftRightUnsigned,E.rotateLeft=function(e){var t;return(n(e)&&(e=e.toInt()),0==(e&=63))?this:32===e?l(this.high,this.low,this.unsigned):e<32?(t=32-e,l(this.low<<e|this.high>>>t,this.high<<e|this.low>>>t,this.unsigned)):(e-=32,t=32-e,l(this.high<<e|this.low>>>t,this.low<<e|this.high>>>t,this.unsigned))},E.rotl=E.rotateLeft,E.rotateRight=function(e){var t;return(n(e)&&(e=e.toInt()),0==(e&=63))?this:32===e?l(this.high,this.low,this.unsigned):e<32?(t=32-e,l(this.high<<t|this.low>>>e,this.low<<t|this.high>>>e,this.unsigned)):(e-=32,t=32-e,l(this.low<<t|this.high>>>e,this.high<<t|this.low>>>e,this.unsigned))},E.rotr=E.rotateRight,E.toSigned=function(){return this.unsigned?l(this.low,this.high,!1):this},E.toUnsigned=function(){return this.unsigned?this:l(this.low,this.high,!0)},E.toBytes=function(e){return e?this.toBytesLE():this.toBytesBE()},E.toBytesLE=function(){var e=this.high,t=this.low;return[255&t,t>>>8&255,t>>>16&255,t>>>24,255&e,e>>>8&255,e>>>16&255,e>>>24]},E.toBytesBE=function(){var e=this.high,t=this.low;return[e>>>24,e>>>16&255,e>>>8&255,255&e,t>>>24,t>>>16&255,t>>>8&255,255&t]},i.fromBytes=function(e,t,n){return n?i.fromBytesLE(e,t):i.fromBytesBE(e,t)},i.fromBytesLE=function(e,t){return new i(e[0]|e[1]<<8|e[2]<<16|e[3]<<24,e[4]|e[5]<<8|e[6]<<16|e[7]<<24,t)},i.fromBytesBE=function(e,t){return new i(e[4]<<24|e[5]<<16|e[6]<<8|e[7],e[0]<<24|e[1]<<16|e[2]<<8|e[3],t)},"function"==typeof BigInt&&(i.fromBigInt=function(e,t){return l(Number(BigInt.asIntN(32,e)),Number(BigInt.asIntN(32,e>>BigInt(32))),t)},i.fromValue=function(e,t){return"bigint"==typeof e?i.fromBigInt(e,t):h(e,t)},E.toBigInt=function(){var e=BigInt(this.low>>>0);return BigInt(this.unsigned?this.high>>>0:this.high)<<BigInt(32)|e}),e.default=i},void 0!==(i=(function(){var e={};return n(e),e.default||e}).apply(t,[]))&&(e.exports=i)}}]);