1783.f6dcce42358b0312.js

js my-util.com collected 2026-09-24 09:07:13 UTC 555,553 bytes, 17 lines download raw bytes

1"use 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n=100===s.profileIdc||110===s.profileIdc||122===s.profileIdc||144===s.profileIdc;return{configurationVersion:1,avcProfileIndication:s.profileIdc,profileCompatibility:s.constraintFlags,avcLevelIndication:s.levelIdc,lengthSizeMinusOne:3,sequenceParameterSets:t,pictureParameterSets:i,chromaFormat:n?s.chromaFormatIdc:null,bitDepthLumaMinus8:n?s.bitDepthLumaMinus8:null,bitDepthChromaMinus8:n?s.bitDepthChromaMinus8:null,sequenceParameterSetExt:n?r:null}}catch(e){return E.y._error("Error building AVC Decoder Configuration Record:",e),null}},ea=e=>{try{let t=(0,B.Zc)(e),i=0,r=t.getUint8(i++),a=t.getUint8(i++),s=t.getUint8(i++),n=t.getUint8(i++),o=3&t.getUint8(i++),l=31&t.getUint8(i++),c=[];for(let r=0;r<l;r++){let r=t.getUint16(i,!1);i+=2,c.push(e.subarray(i,i+r)),i+=r}let u=t.getUint8(i++),d=[];for(let r=0;r<u;r++){let r=t.getUint16(i,!1);i+=2,d.push(e.subarray(i,i+r)),i+=r}let h={configurationVersion:r,avcProfileIndication:a,profileCompatibility:s,avcLevelIndication:n,lengthSizeMinusOne:o,sequenceParameterSets:c,pictureParameterSets:d,chromaFormat:null,bitDepthLumaMinus8:null,bitDepthChromaMinus8:null,sequenceParameterSetExt:null};if((100===a||110===a||122===a||144===a)&&i+4<=e.length){let r=3&t.getUint8(i++),a=7&t.getUint8(i++),s=7&t.getUint8(i++),n=t.getUint8(i++);h.chromaFormat=r,h.bitDepthLumaMinus8=a,h.bitDepthChromaMinus8=s;let o=[];for(let r=0;r<n;r++){let r=t.getUint16(i,!1);i+=2,o.push(e.subarray(i,i+r)),i+=r}h.sequenceParameterSetExt=o}return h}catch(e){return E.y._error("Error deserializing AVC Decoder Configuration Record:",e),null}},es={1:{num:1,den:1},2:{num:12,den:11},3:{num:10,den:11},4:{num:16,den:11},5:{num:40,den:33},6:{num:24,den:11},7:{num:20,den:11},8:{num:32,den:11},9:{num:80,den:33},10:{num:18,den:11},11:{num:15,den:11},12:{num:64,den:33},13:{num:160,den:99},14:{num:4,den:3},15:{num:3,den:2},16:{num:2,den:1}},en=e=>{try{let t=new Q._(J(e));t.skipBits(1),t.skipBits(2);let i=t.readBits(5);if(7!==i)return null;let r=t.readAlignedByte(),a=t.readAlignedByte(),s=t.readAlignedByte();(0,B.IP)(t);let n=1,o=0,l=0,c=0;if((100===r||110===r||122===r||244===r||44===r||83===r||86===r||118===r||128===r)&&(n=(0,B.IP)(t),3===n&&(c=t.readBits(1)),o=(0,B.IP)(t),l=(0,B.IP)(t),t.skipBits(1),t.readBits(1))){for(let e=0;e<(3!==n?8:12);e++)if(t.readBits(1)){let i=e<6?16:64,r=8,a=8;for(let e=0;e<i;e++){if(0!==a){let e=(0,B.OO)(t);a=(r+e+256)%256}r=0===a?r:a}}}(0,B.IP)(t);let u=(0,B.IP)(t);if(0===u)(0,B.IP)(t);else if(1===u){t.skipBits(1),(0,B.OO)(t),(0,B.OO)(t);let e=(0,B.IP)(t);for(let i=0;i<e;i++)(0,B.OO)(t)}(0,B.IP)(t),t.skipBits(1);let d=(0,B.IP)(t),h=(0,B.IP)(t),m=16*(d+1),f=16*(h+1),p=m,g=f,k=t.readBits(1);if(k||t.skipBits(1),t.skipBits(1),t.readBits(1)){let e,i,r=(0,B.IP)(t),a=(0,B.IP)(t),s=(0,B.IP)(t),o=(0,B.IP)(t),l=0===c?n:0;if(0===l)e=1,i=2-k;else{let t=3===n?1:2,r=1===n?2:1;e=t,i=r*(2-k)}p-=e*(r+a),g-=i*(s+o)}let y=2,w=2,b=2,T=0,S={num:1,den:1},v=null,P=null;if(t.readBits(1)){if(t.readBits(1)){let e=t.readBits(8);if(255===e)S={num:t.readBits(16),den:t.readBits(16)};else{let t=es[e];t&&(S=t)}}t.readBits(1)&&t.skipBits(1),t.readBits(1)&&(t.skipBits(3),T=t.readBits(1),t.readBits(1)&&(y=t.readBits(8),w=t.readBits(8),b=t.readBits(8))),t.readBits(1)&&((0,B.IP)(t),(0,B.IP)(t)),t.readBits(1)&&(t.skipBits(32),t.skipBits(32),t.skipBits(1));let e=t.readBits(1);e&&eo(t);let i=t.readBits(1);i&&eo(t),(e||i)&&t.skipBits(1),t.skipBits(1),t.readBits(1)&&(t.skipBits(1),(0,B.IP)(t),(0,B.IP)(t),(0,B.IP)(t),(0,B.IP)(t),v=(0,B.IP)(t),P=(0,B.IP)(t))}if(null===v)if((0,B.vA)(null===P),(44===r||86===r||100===r||110===r||122===r||244===r)&&16&a)v=0,P=0;else{let e=O.$3.find(e=>e.level>=s)??(0,B._g)(O.$3),t=Math.min(Math.floor(e.maxDpbMbs/((2-k)*(h+1)*(d+1))),16);v=t,P=t}return(0,B.vA)(null!==P),{profileIdc:r,constraintFlags:a,levelIdc:s,frameMbsOnlyFlag:k,chromaFormatIdc:n,bitDepthLumaMinus8:o,bitDepthChromaMinus8:l,codedWidth:m,codedHeight:f,displayWidth:p,displayHeight:g,pixelAspectRatio:S,colourPrimaries:y,matrixCoefficients:b,transferCharacteristics:w,fullRangeFlag:T,numReorderFrames:v,maxDecFrameBuffering:P}}catch(e){return E.y._error("Error parsing AVC SPS:",e),null}},eo=e=>{let t=(0,B.IP)(e);e.skipBits(4),e.skipBits(4);for(let i=0;i<=t;i++)(0,B.IP)(e),(0,B.IP)(e),e.skipBits(1);e.skipBits(5),e.skipBits(5),e.skipBits(5),e.skipBits(5)},el=(e,t)=>

1t.description?G(e,(3&(0,B.Fo)(t.description)[21])+1):X(e),ec=e=>e>>1&63,eu=e=>{try{let t=new Q._(J(e));t.skipBits(16),t.readBits(4);let i=t.readBits(3),r=t.readBits(1),{general_profile_space:a,general_tier_flag:s,general_profile_idc:n,general_profile_compatibility_flags:o,general_constraint_indicator_flags:l,general_level_idc:c}=eh(t,i);(0,B.IP)(t);let u=(0,B.IP)(t),d=0;3===u&&(d=t.readBits(1));let h=(0,B.IP)(t),m=(0,B.IP)(t),f=h,p=m;if(t.readBits(1)){let e=(0,B.IP)(t),i=(0,B.IP)(t),r=(0,B.IP)(t),a=(0,B.IP)(t),s=1,n=1,o=0===d?u:0;1===o?(s=2,n=2):2===o&&(s=2,n=1),f-=(e+i)*s,p-=(r+a)*n}let g=(0,B.IP)(t),k=(0,B.IP)(t);(0,B.IP)(t);let y=t.readBits(1)?0:i,w=0;for(let e=y;e<=i;e++)(0,B.IP)(t),w=(0,B.IP)(t),(0,B.IP)(t);(0,B.IP)(t),(0,B.IP)(t),(0,B.IP)(t),(0,B.IP)(t),(0,B.IP)(t),(0,B.IP)(t),t.readBits(1)&&t.readBits(1)&&em(t),t.skipBits(1),t.skipBits(1),t.readBits(1)&&(t.skipBits(4),t.skipBits(4),(0,B.IP)(t),(0,B.IP)(t),t.skipBits(1));let b=(0,B.IP)(t);if(ef(t,b),t.readBits(1)){let e=(0,B.IP)(t);for(let i=0;i<e;i++)(0,B.IP)(t),t.skipBits(1)}t.skipBits(1),t.skipBits(1);let T=2,S=2,v=2,P=0,_=0,I={num:1,den:1};if(t.readBits(1)){let e=eg(t,i);I=e.pixelAspectRatio,T=e.colourPrimaries,S=e.transferCharacteristics,v=e.matrixCoefficients,P=e.fullRangeFlag,_=e.minSpatialSegmentationIdc}return{displayWidth:f,displayHeight:p,pixelAspectRatio:I,colourPrimaries:T,transferCharacteristics:S,matrixCoefficients:v,fullRangeFlag:P,maxDecFrameBuffering:w+1,spsMaxSubLayersMinus1:i,spsTemporalIdNestingFlag:r,generalProfileSpace:a,generalTierFlag:s,generalProfileIdc:n,generalProfileCompatibilityFlags:o,generalConstraintIndicatorFlags:l,generalLevelIdc:c,chromaFormatIdc:u,bitDepthLumaMinus8:g,bitDepthChromaMinus8:k,minSpatialSegmentationIdc:_}}catch(e){return E.y._error("Error parsing HEVC SPS:",e),null}},ed=e=>{try{let t=[],i=[],r=[],a=[];for(let s of X(e)){let n=e.subarray(s.offset,s.offset+s.length),o=ec(n[0]);o===b.VPS_NUT?t.push(n):o===b.SPS_NUT?i.push(n):o===b.PPS_NUT?r.push(n):(o===b.PREFIX_SEI_NUT||o===b.SUFFIX_SEI_NUT)&&a.push(n)}if(0===i.length||0===r.length)return null;let s=eu(i[0]);if(!s)return null;let n=0;if(r.length>0){let e=r[0],t=new Q._(J(e));t.skipBits(16),(0,B.IP)(t),(0,B.IP)(t),t.skipBits(1),t.skipBits(1),t.skipBits(3),t.skipBits(1),t.skipBits(1),(0,B.IP)(t),(0,B.IP)(t),(0,B.OO)(t),t.skipBits(1),t.skipBits(1),t.readBits(1)&&(0,B.IP)(t),(0,B.OO)(t),(0,B.OO)(t),t.skipBits(1),t.skipBits(1),t.skipBits(1),t.skipBits(1);let i=t.readBits(1),a=t.readBits(1);n=i||a?i&&!a?2:!i&&a?3:0:0}let o=[...t.length?[{arrayCompleteness:1,nalUnitType:b.VPS_NUT,nalUnits:t}]:[],...i.length?[{arrayCompleteness:1,nalUnitType:b.SPS_NUT,nalUnits:i}]:[],...r.length?[{arrayCompleteness:1,nalUnitType:b.PPS_NUT,nalUnits:r}]:[],...a.length?[{arrayCompleteness:1,nalUnitType:ec(a[0][0]),nalUnits:a}]:[]];return{configurationVersion:1,generalProfileSpace:s.generalProfileSpace,generalTierFlag:s.generalTierFlag,generalProfileIdc:s.generalProfileIdc,generalProfileCompatibilityFlags:s.generalProfileCompatibilityFlags,generalConstraintIndicatorFlags:s.generalConstraintIndicatorFlags,generalLevelIdc:s.generalLevelIdc,minSpatialSegmentationIdc:s.minSpatialSegmentationIdc,parallelismType:n,chromaFormatIdc:s.chromaFormatIdc,bitDepthLumaMinus8:s.bitDepthLumaMinus8,bitDepthChromaMinus8:s.bitDepthChromaMinus8,avgFrameRate:0,constantFrameRate:0,numTemporalLayers:s.spsMaxSubLayersMinus1+1,temporalIdNested:s.spsTemporalIdNestingFlag,lengthSizeMinusOne:3,arrays:o}}catch(e){return E.y._error("Error building HEVC Decoder Configuration Record:",e),null}},eh=(e,t)=>{let i=e.readBits(2),r=e.readBits(1),a=e.readBits(5),s=0;for(let t=0;t<32;t++)s=s<<1|e.readBits(1);let n=new Uint8Array(6);for(let t=0;t<6;t++)n[t]=e.readBits(8);let o=e.readBits(8),l=[],c=[];for(let i=0;i<t;i++)l.push(e.readBits(1)),c.push(e.readBits(1));if(t>0)for(let i=t;i<8;i++)e.skipBits(2);for(let i=0;i<t;i++)l[i]&&e.skipBits(88),c[i]&&e.skipBits(8);return{general_profile_space:i,general_tier_flag:r,general_profile_idc:a,general_profile_compatibility_flags:s,general_constraint_indicator_flags:n,general_level_idc:o}},em=e=>{for(let t=0;t<4;t++)for(let i=0;i<(3===t?2:6);i++)if(e.readBits(1)){let i=Math.min(64,1<<4+(t<<1));t>1&&(0,B.OO)(e);for(let t=0;t<i;t++)(0,B.OO)(e)}else(0,B.IP)(e)},ef=(e,t)=>{let i=[];for(let r=0;r<t;r++)i[r]=ep(e,r,t,i)},ep=(e,t,i,r)=>{let a=0,s=0,n=0;if(0!==t&&(s=e.readBits(1)),s){n=t===i?t-((0,B.IP)(e)+1):t-1,e.readBits(1),(0,B.IP)(e);let s=r[n]??0;for(let 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e.readBits(1)&&e.readBits(1),e.readBits(1)&&(e.readBits(3),s=e.readBits(1),e.readBits(1)&&(i=e.readBits(8),r=e.readBits(8),a=e.readBits(8))),e.readBits(1)&&((0,B.IP)(e),(0,B.IP)(e)),e.readBits(1),e.readBits(1),e.readBits(1),e.readBits(1)&&((0,B.IP)(e),(0,B.IP)(e),(0,B.IP)(e),(0,B.IP)(e)),e.readBits(1)&&(e.readBits(32),e.readBits(32),e.readBits(1)&&(0,B.IP)(e),e.readBits(1)&&ek(e,!0,t)),e.readBits(1)&&(e.readBits(1),e.readBits(1),e.readBits(1),n=(0,B.IP)(e),(0,B.IP)(e),(0,B.IP)(e),(0,B.IP)(e),(0,B.IP)(e)),{pixelAspectRatio:o,colourPrimaries:i,transferCharacteristics:r,matrixCoefficients:a,fullRangeFlag:s,minSpatialSegmentationIdc:n}},ek=(e,t,i)=>{let r=!1,a=!1,s=!1;t&&(r=1===e.readBits(1),a=1===e.readBits(1),(r||a)&&((s=1===e.readBits(1))&&(e.readBits(8),e.readBits(5),e.readBits(1),e.readBits(5)),e.readBits(4),e.readBits(4),s&&e.readBits(4),e.readBits(5),e.readBits(5),e.readBits(5)));for(let t=0;t<=i;t++){let t=1===e.readBits(1),i=!0;t||(i=1===e.readBits(1));let n=!1;i?(0,B.IP)(e):n=1===e.readBits(1);let o=1;n||(o=(0,B.IP)(e)+1),r&&ey(e,o,s),a&&ey(e,o,s)}},ey=(e,t,i)=>{for(let r=0;r<t;r++)(0,B.IP)(e),(0,B.IP)(e),i&&((0,B.IP)(e),(0,B.IP)(e)),e.readBits(1)};(n=T||(T={}

1))[n.audAllowed=0]="audAllowed",n[n.beforeFirstVcl=1]="beforeFirstVcl",n[n.afterFirstVcl=2]="afterFirstVcl",n[n.eoBitstreamAllowed=3]="eoBitstreamAllowed",n[n.noMoreDataAllowed=4]="noMoreDataAllowed";let ew=e=>{let t=new Q._(e);if(2!==t.readBits(2))return null;let i=t.readBits(1),r=(t.readBits(1)<<1)+i;if(3===r&&t.skipBits(1),1===t.readBits(1)||0!==t.readBits(1)||(t.skipBits(2),4817730!==t.readBits(24)))return null;let a=8;r>=2&&(a=t.readBits(1)?12:10);let s=t.readBits(3),n=0,o=0;if(7!==s)if(o=t.readBits(1),1===r||3===r){let e=t.readBits(1),i=t.readBits(1);n=e||i?e&&!i?2:1:3,t.skipBits(1)}else n=1;else n=3,o=1;let l=(t.readBits(16)+1)*(t.readBits(16)+1),c=(0,B._g)(O.ye).level;for(let e of O.ye)if(l<=e.maxPictureSize){c=e.level;break}return{profile:r,level:c,bitDepth:a,chromaSubsampling:n,videoFullRangeFlag:o,colourPrimaries:2===s?1:1===s?6:2,transferCharacteristics:2===s?1:1===s?6:2,matrixCoefficients:7===s?0:2===s?1:1===s?6:2}},eb=function*(e){let t=new Q._(e),i=()=>{let e=0;for(let i=0;i<8;i++){let r=t.readAlignedByte();if(e|=(127&r)<<7*i,!(128&r))break;if(7===i&&128&r)return null}return e>=0x100000000-1?null:e};for(;t.getBitsLeft()>=8;){let r;t.skipBits(1);let a=t.readBits(4),s=t.readBits(1),n=t.readBits(1);if(t.skipBits(1),s&&t.skipBits(8),n){let e=i();if(null===e)return;r=e}else r=Math.floor(t.getBitsLeft()/8);(0,B.vA)(t.pos%8==0),yield{type:a,data:e.subarray(t.pos/8,t.pos/8+r)},t.skipBits(8*r)}},eT=e=>{for(let{type:t,data:i}of eb(e)){if(1!==t)continue;let e=new Q._(i),r=e.readBits(3);e.readBits(1);let a=e.readBits(1),s=0,n=0,o=0;if(a)s=e.readBits(5);else{if(e.readBits(1)&&(e.skipBits(32),e.skipBits(32),e.readBits(1)))return null;let t=e.readBits(1);t&&(o=e.readBits(5),e.skipBits(32),e.skipBits(5),e.skipBits(5));let i=e.readBits(5);for(let r=0;r<=i;r++){e.skipBits(12);let i=e.readBits(5);if(0===r&&(s=i),i>7){let t=e.readBits(1);0===r&&(n=t)}if(t&&e.readBits(1)){let t=o+1;e.skipBits(t),e.skipBits(t),e.skipBits(1)}e.readBits(1)&&e.skipBits(4)}}let l=e.readBits(4),c=e.readBits(4),u=l+1;e.skipBits(u);let d=c+1;e.skipBits(d);if((a?0:e.readBits(1))&&(e.skipBits(4),e.skipBits(3)),e.skipBits(1),e.skipBits(1),e.skipBits(1),!a){e.skipBits(1),e.skipBits(1),e.skipBits(1),e.skipBits(1);let t=e.readBits(1);t&&(e.skipBits(1),e.skipBits(1));let i=e.readBits(1);(i?2:e.readBits(1))>0&&(e.readBits(1)||e.skipBits(1)),t&&e.skipBits(3)}e.skipBits(1),e.skipBits(1),e.skipBits(1);let h=e.readBits(1),m=8;2===r&&h?m=e.readBits(1)?12:10:r<=2&&(m=h?10:8);let f=0;1!==r&&(f=e.readBits(1));let p=1,g=1,k=0;return!f&&(0===r?(p=1,g=1):1===r?(p=0,g=0):12===m&&(p=e.readBits(1))&&(g=e.readBits(1)),p&&g&&(k=e.readBits(2))),{profile:r,level:s,tier:n,bitDepth:m,monochrome:f,chromaSubsamplingX:p,chromaSubsamplingY:g,chromaSamplePosition:k}}return null},eS=e=>{let t=(0,B.Zc)(e),i=t.getUint8(9),r=t.getUint16(10,!0),a=t.getUint32(12,!0),s=t.getInt16(16,!0),n=t.getUint8(18),o=null;return n&&(o=e.subarray(19,21+i)),{outputChannelCount:i,preSkip:r,inputSampleRate:a,outputGain:s,channelMappingFamily:n,channelMappingTable:o}},ev=[480,960,1920,2880,480,960,1920,2880,480,960,1920,2880,480,960,480,960,120,240,480,960,120,240,480,960,120,240,480,960,120,240,480,960],eP=e=>{if(e.length<7)throw Error("Setup header is too short.");if(5!==e[0])throw Error("Wrong packet type in Setup header.");if("vorbis"!==String.fromCharCode(...e.slice(1,7)))throw Error("Invalid packet signature in Setup header.");let t=e.length,i=new Uint8Array(t);for(let r=0;r<t;r++)i[r]=e[t-1-r];let r=new Q._(i),a=0;for(;r.getBitsLeft()>97;)if(1===r.readBits(1)){a=r.pos;break}if(0===a)throw Error("Invalid Setup header: framing bit not found.");let s=0,n=!1,o=0;for(;r.getBitsLeft()>=97;){let e=r.pos,t=r.readBits(8),i=r.readBits(16),a=r.readBits(16);if(t>63||0!==i||0!==a){r.pos=e;break}if(r.skipBits(1),++s>64)break;r.clone().readBits(6)+1===s&&(n=!0,o=s)}if(!n)throw Error("Invalid Setup header: mode header not found.");if(o>63)throw Error(`Unsupported mode count: ${o}.`);let l=o;r.pos=0,r.skipBits(a);let c=Array(l).fill(0);for(let e=l-1;e>=0;e--)r.skipBits(40),c[e]=r.readBits(1);return{modeBlockflags:c}},e_=(e,t,i)=>{switch(e){case"avc":for(let e of Y(i,t)){let t=Z(i[e.offset]);if(t>=w.NON_IDR_SLICE&&t<=w.SLICE_DPC)break;if(t===w.IDR)return"key";if(t===w.SEI&&(!(0,B.F2)()||(0,B.zp)()>=144)){let t=J(i.subarray(e.offset,e.offset+e.length)),r=1;do{let e=0;for(;;){let i=t[r++];if(void 0===i||(e+=i,i<255))break}let i=0;for(;;){let e=t[r++];if(void 0===e||(i+=e,e<255))break}if(6===e){let e=new Q._(t);e.pos=8*r;let i=(0,B.IP)(e),a=e.readBits(1);if(0===i&&1===a)return"key"}r+=i}while(r<t.length-1)}}return"delta";case"hevc":for(let e of el(i,t)){let t=ec(i[e.offset]);if(t<b.BLA_W_LP)break;

1if(t<=b.RSV_IRAP_VCL23)return"key"}return"delta";case"vp8":return 0==(1&i[0])?"key":"delta";case"vp9":{let e=new Q._(i);if(2!==e.readBits(2))return null;let t=e.readBits(1);if(3===(e.readBits(1)<<1)+t&&e.skipBits(1),e.readBits(1))return null;return 0===e.readBits(1)?"key":"delta"}case"av1":{let e=!1;for(let{type:t,data:r}of eb(i))if(1===t){let t=new Q._(r);t.skipBits(4),e=!!t.readBits(1)}else if(3===t||6===t||7===t){if(e)return"key";let t=new Q._(r);if(t.readBits(1))return null;return 0===t.readBits(2)?"key":"delta"}return null}case"prores":return"key";default:(0,B.xb)(e),(0,B.vA)(!1)}};(o=S||(S={}))[o.STREAMINFO=0]="STREAMINFO",o[o.VORBIS_COMMENT=4]="VORBIS_COMMENT",o[o.PICTURE=6]="PICTURE";let eI=(e,t)=>{let i=(0,B.Zc)(e),r=0,a=i.getUint32(r,!0);r+=4;let s=B.su.decode(e.subarray(r,r+a));r+=a,a>0&&(t.raw??={},t.raw.vendor??=s);let n=i.getUint32(r,!0);r+=4;for(let a=0;a<n;a++){let a=i.getUint32(r,!0);r+=4;let s=B.su.decode(e.subarray(r,r+a));r+=a;let n=s.indexOf("=");if(-1===n)continue;let o=s.slice(0,n).toUpperCase(),l=s.slice(n+1);switch(t.raw??={},t.raw[o]??=l,o){case"TITLE":t.title??=l;break;case"DESCRIPTION":t.description??=l;break;case"ARTIST":t.artist??=l;break;case"ALBUM":t.album??=l;break;case"ALBUMARTIST":t.albumArtist??=l;break;case"COMMENT":t.comment??=l;break;case"LYRICS":t.lyrics??=l;break;case"TRACKNUMBER":{let e=l.split("/"),i=Number.parseInt(e[0],10),r=e[1]&&Number.parseInt(e[1],10);Number.isInteger(i)&&i>0&&(t.trackNumber??=i),r&&Number.isInteger(r)&&r>0&&(t.tracksTotal??=r)}break;case"TRACKTOTAL":{let e=Number.parseInt(l,10);Number.isInteger(e)&&e>0&&(t.tracksTotal??=e)}break;case"DISCNUMBER":{let e=l.split("/"),i=Number.parseInt(e[0],10),r=e[1]&&Number.parseInt(e[1],10);Number.isInteger(i)&&i>0&&(t.discNumber??=i),r&&Number.isInteger(r)&&r>0&&(t.discsTotal??=r)}break;case"DISCTOTAL":{let e=Number.parseInt(l,10);Number.isInteger(e)&&e>0&&(t.discsTotal??=e)}break;case"DATE":{let e=new Date(l);Number.isNaN(e.getTime())||(t.date??=e)}break;case"GENRE":t.genre??=l;break;case"METADATA_BLOCK_PICTURE":{let e=(0,B.Kp)(l),i=(0,B.Zc)(e),r=i.getUint32(0,!1),a=i.getUint32(4,!1),s=String.fromCharCode(...e.subarray(8,8+a)),n=i.getUint32(8+a,!1),o=B.su.decode(e.subarray(12+a,12+a+n)),c=i.getUint32(a+n+28),u=e.subarray(a+n+32,a+n+32+c);t.images??=[],t.images.push({data:u,mimeType:s,kind:3===r?"coverFront":4===r?"coverBack":"unknown",name:void 0,description:o||void 0})}}}},eC=(e,t,i)=>{let r=[e],a=B.UG.encode("Mediabunny"),s=new Uint8Array(4+a.length),n=new DataView(s.buffer);n.setUint32(0,a.length,!0),s.set(a,4),r.push(s);let o=new Set,l=(e,t)=>{let i=`${e}=${t}`,a=B.UG.encode(i);(n=new DataView((s=new Uint8Array(4+a.length)).buffer)).setUint32(0,a.length,!0),s.set(a,4),r.push(s),o.add(e)};for(let{key:e,value:r}of(0,B.rk)(t))switch(e){case"title":l("TITLE",r);break;case"description":l("DESCRIPTION",r);break;case"artist":l("ARTIST",r);break;case"album":l("ALBUM",r);break;case"albumArtist":l("ALBUMARTIST",r);break;case"genre":l("GENRE",r);break;case"date":{let e=t.raw?.DATE??t.raw?.date;l("DATE",e&&"string"==typeof e?e:r.toISOString().slice(0,10))}break;case"comment":l("COMMENT",r);break;case"lyrics":l("LYRICS",r);break;case"trackNumber":l("TRACKNUMBER",r.toString());break;case"tracksTotal":l("TRACKTOTAL",r.toString());break;case"discNumber":l("DISCNUMBER",r.toString());break;case"discsTotal":l("DISCTOTAL",r.toString());break;case"images":if(!i)break;for(let e of r){let t="coverFront"===e.kind?3:4*("coverBack"===e.kind),i=new Uint8Array(e.mimeType.length);for(let t=0;t<e.mimeType.length;t++)i[t]=e.mimeType.charCodeAt(t);let r=B.UG.encode(e.description??""),a=new Uint8Array(8+i.length+4+r.length+16+4+e.data.length),s=(0,B.Zc)(a);s.setUint32(0,t,!1),s.setUint32(4,i.length,!1),a.set(i,8),s.setUint32(8+i.length,r.length,!1),a.set(r,12+i.length),s.setUint32(28+i.length+r.length,e.data.length,!1),a.set(e.data,32+i.length+r.length),l("METADATA_BLOCK_PICTURE",(0,B.if)(a))}break;case"raw":break;default:(0,B.xb)(e)}if(t.raw)for(let e in t.raw){let i=t.raw[e]??t.raw[e.toLowerCase()];"vendor"===e||null==i||o.has(e)||"string"==typeof i&&l(e,i)}let c=new Uint8Array(4);(0,B.Zc)(c).setUint32(0,o.size,!0),r.splice(2,0,c);let u=new Uint8Array(r.reduce((e,t)=>

1e+t.length,0)),d=0;for(let e of r)u.set(e,d),d+=e.length;return u},ex=[2,1,2,3,3,4,4,5],eA=e=>{if(e.length<7||11!==e[0]||119!==e[1])return null;let t=new Q._(e);t.skipBits(16),t.skipBits(16);let i=t.readBits(2);if(3===i)return null;let r=t.readBits(6),a=t.readBits(5);if(a>8)return null;let s=t.readBits(3),n=t.readBits(3);return(1&n)!=0&&1!==n&&t.skipBits(2),(4&n)!=0&&t.skipBits(2),2===n&&t.skipBits(2),{fscod:i,bsid:a,bsmod:s,acmod:n,lfeon:t.readBits(1),bitRateCode:Math.floor(r/2)}},eE=[128,138,192,128,140,192,160,174,240,160,176,240,192,208,288,192,210,288,224,242,336,224,244,336,256,278,384,256,280,384,320,348,480,320,350,480,384,416,576,384,418,576,448,486,672,448,488,672,512,556,768,512,558,768,640,696,960,640,698,960,768,834,1152,768,836,1152,896,974,1344,896,976,1344,1024,1114,1536,1024,1116,1536,1280,1392,1920,1280,1394,1920,1536,1670,2304,1536,1672,2304,1792,1950,2688,1792,1952,2688,2048,2228,3072,2048,2230,3072,2304,2506,3456,2304,2508,3456,2560,2786,3840,2560,2788,3840],eB=new Uint8Array([5,4,65,67,45,51]),eF=new Uint8Array([5,4,69,65,67,51]),eM=[1,2,3,6],eR=e=>{let t;if(e.length<6||11!==e[0]||119!==e[1])return null;let i=new Q._(e);i.skipBits(16);let r=i.readBits(2);if(i.skipBits(3),0!==r&&2!==r)return null;let a=i.readBits(11),s=i.readBits(2),n=0;3===s?(n=i.readBits(2),t=3):t=i.readBits(2);let o=i.readBits(3),l=i.readBits(1),c=i.readBits(5);if(c<11||c>16)return null;let u=eM[t];return{dataRate:Math.round((a+1)*(s<3?$[s]/1e3:j[n]/1e3)/(16*u)),substreams:[{fscod:s,fscod2:n,bsid:c,bsmod:0,acmod:o,lfeon:l,numDepSub:0,chanLoc:0}]}},eD=e=>{let t=e.substreams[0];return((0,B.vA)(t),t.fscod<3)?$[t.fscod]:null!==t.fscod2&&t.fscod2<3?j[t.fscod2]:null},eU=e=>{let t=e.substreams[0];(0,B.vA)(t);let i=ex[t.acmod]+t.lfeon;if(t.numDepSub>0){let e=[2,2,1,1,2,2,2,1,1];for(let r=0;r<9;r++)t.chanLoc&1<<8-r&&(i+=e[r])}return i};class ez{constructor(e){this.input=e}dispose(){}}var eO=i(22416);let eL=e=>{let t=(e.hasVideo?"video/":e.hasAudio?"audio/":"application/")+(e.isQuickTime?"quicktime":"mp4");if(e.codecStrings.length>0){let i=[...new Set(e.codecStrings)];t+=`; codecs="${i.join(", ")}"`}return t},eN=e=>{let t=(0,B.Zc)(e),i=0,r=t.getUint8(i);i+=4;let a=(0,B.Br)(e.subarray(i,i+16));i+=16;let s=null;if(r>0){let r=t.getUint32(i);if(i+=4,r>0){s=[];for(let t=0;t<r;t++)s.push((0,B.Br)(e.subarray(i,i+16))),i+=16}}let n=t.getUint32(i);return i+=4,{systemId:a,keyIds:s,data:e.slice(i,i+n)}},eW=(e,t)=>e.systemId===t.systemId&&(0,B.ju)(e.data,t.data),eV=e=>{let t=ah(e),i=aT(e,4),r=8;1===t&&(t=ag(e),r=16);let a=t-r;return a<0?null:{name:i,totalSize:t,headerSize:r,contentSize:a}},eq=e=>af(e)/65536,eH=e=>{let t=0;for(let i=0;i<4;i++){t<<=7;let i=an(e);if(t|=127&i,(128&i)==0)break}return t},eK=e=>{let t=al(e);return e.skip(2),t=Math.min(t,e.remainingLength),B.su.decode(as(e,t))},e$=e=>{let t=eV(e);if(!t||"data"!==t.name||e.remainingLength<8)return null;let i=ah(e);e.skip(4);let r=as(e,t.contentSize-8);switch(i){case 1:return B.su.decode(r);case 2:return new TextDecoder("utf-16be").decode(r);case 13:return new F(r,"image/jpeg");case 14:return new F(r,"image/png");case 27:return new F(r,"image/bmp");default:return r}},ej=new Uint32Array(256),eQ=new Uint32Array(256),eX=new Uint32Array(256),eG=new Uint32Array(256),eY=new Uint32Array(256),eZ=new Uint32Array(256),eJ=new Uint32Array(10),e0=!1;class e1{constructor(){this.roundkey=new Uint32Array(44),this.iv=new Uint32Array(16/Uint32Array.BYTES_PER_ELEMENT),this.in=new Uint8Array(16),this.out=new Uint8Array(16),this.inView=new DataView(this.in.buffer),this.outView=new DataView(this.out.buffer)}init({key:e,iv:t}){(0,B.vA)(16===e.byteLength),(0,B.vA)(16===t.byteLength),e0||(()=>{let e=new Uint8Array(256),t=new Uint8Array(256),i=new Uint8Array(256);for(let e=0,r=1;e<256;e++)i[e]=r,t[r]=e,r=r^r<<1^(128&r?283:0);let r=(e,r)=>e&&r?i[(t[e]+t[r])%255]:0;e[0]=99;for(let r=1;r<256;r++){let a=i[255-t[r]],s=a^a<<1^a<<2^a<<3^a<<4;s=s>>>8^255&s^99,e[r]=s}for(let t=0;t<256;t++){let i=e[t],a=e.indexOf(t);ej[t]=i<<24|i<<16|i<<8|i,eZ[t]=a<<24|a<<16|a<<8|a;let s=r(a,14)<<24|r(a,9)<<16|r(a,13)<<8|r(a,11);eQ[t]=s,eX[t]=s>>>8|s<<24,eG[t]=s>>>16|s<<16,eY[t]=s>>>24|s<<8}let a=1;for(let e=0;e<10;e++)eJ[e]=a<<24,a=a<<1^(128&a?283:0);e0=!0})();let i=new DataView(e.buffer,e.byteOffset,e.byteLength),r=new DataView(t.buffer,t.byteOffset,t.byteLength);this.roundkey[0]=i.getUint32(0,!1),this.roundkey[1]=i.getUint32(4,!1),this.roundkey[2]=i.getUint32(8,!1),this.roundkey[3]=i.getUint32(12,!1),this.iv[0]=r.getUint32(0,!1),this.iv[1]=r.getUint32(4,!1),this.iv[2]=r.getUint32(8,!1),this.iv[3]=r.getUint32(12,!1);for(let e=4;e<44;e+=4){let t=this.roundkey[e-1];this.roundkey[e]=this.roundkey[e-4]^0xff000000&ej[t>>>16&255]^0xff0000&ej[t>>>8&255]^65280&ej[t>>>0&255]^255&ej[t>>>24&255]^eJ[e/4-1],this.roundkey[e+1]=this.roundkey[e-3]^this.roundkey[e],this.roundkey[e+2]=this.roundkey[e-2]^this.roundkey[e+1],this.roundkey[e+3]=this.roundkey[e-1]^this.roundkey[e+2]}for(let e=0,t=40;

1e<t;e+=4,t-=4)for(let i=0;i<4;i++){let r=this.roundkey[e+i];this.roundkey[e+i]=this.roundkey[t+i],this.roundkey[t+i]=r}for(let e=4;e<40;e+=4)for(let t=0;t<4;t++){let i=this.roundkey[e+t];this.roundkey[e+t]=eQ[255&ej[i>>>24&255]]^eX[255&ej[i>>>16&255]]^eG[255&ej[i>>>8&255]]^eY[255&ej[i>>>0&255]]}}decrypt(){let e,t,i,r,a=this.inView.getUint32(0,!1)^this.roundkey[0],s=this.inView.getUint32(4,!1)^this.roundkey[1],n=this.inView.getUint32(8,!1)^this.roundkey[2],o=this.inView.getUint32(12,!1)^this.roundkey[3],l=this.inView.getUint32(0,!1),c=this.inView.getUint32(4,!1),u=this.inView.getUint32(8,!1),d=this.inView.getUint32(12,!1);for(let l=1;l<10;l++){let c=4*l;e=eQ[a>>>24]^eX[o>>>16&255]^eG[n>>>8&255]^eY[255&s]^this.roundkey[c],t=eQ[s>>>24]^eX[a>>>16&255]^eG[o>>>8&255]^eY[255&n]^this.roundkey[c+1],i=eQ[n>>>24]^eX[s>>>16&255]^eG[a>>>8&255]^eY[255&o]^this.roundkey[c+2],r=eQ[o>>>24]^eX[n>>>16&255]^eG[s>>>8&255]^eY[255&a]^this.roundkey[c+3],a=e,s=t,n=i,o=r}let h=0xff000000&eZ[a>>>24&255]^0xff0000&eZ[o>>>16&255]^65280&eZ[n>>>8&255]^255&eZ[s>>>0&255]^this.roundkey[40],m=0xff000000&eZ[s>>>24&255]^0xff0000&eZ[a>>>16&255]^65280&eZ[o>>>8&255]^255&eZ[n>>>0&255]^this.roundkey[41],f=0xff000000&eZ[n>>>24&255]^0xff0000&eZ[s>>>16&255]^65280&eZ[a>>>8&255]^255&eZ[o>>>0&255]^this.roundkey[42],p=0xff000000&eZ[o>>>24&255]^0xff0000&eZ[n>>>16&255]^65280&eZ[s>>>8&255]^255&eZ[a>>>0&255]^this.roundkey[43];this.outView.setUint32(0,h^this.iv[0],!1),this.outView.setUint32(4,m^this.iv[1],!1),this.outView.setUint32(8,f^this.iv[2],!1),this.outView.setUint32(12,p^this.iv[3],!1),this.iv[0]=l,this.iv[1]=c,this.iv[2]=u,this.iv[3]=d}}class e2 extends ez{constructor(e){super(e),this.moovSlice=null,this.currentTrack=null,this.tracks=[],this.metadataPromise=null,this.movieTimescale=-1,this.movieDurationInTimescale=-1,this.isQuickTime=!1,this.metadataTags={},this.currentMetadataKeys=null,this.isFragmented=!1,this.fragmentTrackDefaults=[],this.psshBoxes=[],this.currentFragment=null,this.lastReadFragment=null,this.decryptionKeyCache=new Map,this.reader=e._reader}async getTrackBackings(){return await this.readMetadata(),this.tracks.map(e=>e.trackBacking)}async getMimeType(){await this.readMetadata();let e=await this.getTrackBackings(),t=await Promise.all(e.map(e=>e.getDecoderConfig().then(e=>e?.codec??null)));return eL({isQuickTime:this.isQuickTime,hasVideo:this.tracks.some(e=>e.info?.type==="video"),hasAudio:this.tracks.some(e=>e.info?.type==="audio"),codecStrings:t.filter(Boolean)})}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}readMetadata(){return this.metadataPromise??=(async()=>{let e=0,t=!1,i=!1;for(;;){let r=this.reader.requestSliceRange(e,8,16);if(r instanceof Promise&&(r=await r),!r)break;let a=e,s=eV(r);if(!s)break;if("ftyp"===s.name||"styp"===s.name){let e=aT(r,4);this.isQuickTime="qt  "===e}else if("moov"===s.name){let e=this.reader.requestSlice(r.filePos,s.contentSize);if(e instanceof Promise&&(e=await e),!e)break;for(let t of(this.moovSlice=e,this.readContiguousBoxes(this.moovSlice),this.tracks)){let e=t.editListPreviousSegmentDurations/this.movieTimescale;t.editListOffset-=Math.round(e*t.timescale)}t=this.isFragmented&&null!==this.reader.fileSize&&this.reader.fileSize>a+s.totalSize,i=!0;break}else if("moof"===s.name){if(!this.input._initInput)throw Error('"moof" box encountered with no "moov" box present; this file is likely a Segment as described in ISO/IEC 14496-12 Section 8.16. A separate init file that contains a "moov" box is required to read this file, please provide it using InputOptions.initInput.');await this.copyMetadataFromInitInput(this.input._initInput),t=!1,i=!0;break}e=a+s.totalSize}if(!i&&this.input._initInput&&await this.copyMetadataFromInitInput(this.input._initInput),t){(0,B.vA)(null!==this.reader.fileSize);let e=this.reader.requestSlice(this.reader.fileSize-4,4);e instanceof Promise&&(e=await e),(0,B.vA)(e);let t=ah(e),i=this.reader.fileSize-t;if(i>=0&&i<=this.reader.fileSize-16){let e=this.reader.requestSliceRange(i,8,16);if(e instanceof Promise&&(e=await e),e){let t=eV(e);if(t&&"mfra"===t.name){let i=this.reader.requestSlice(e.filePos,t.contentSize);i instanceof Promise&&(i=await i),i&&this.readContiguousBoxes(i)}}}}})()}async copyMetadataFromInitInput(e){let t=await e._getDemuxer();if(t.constructor!==e2)throw Error("Init input must match the input's format.");for(let e of(await t.readMetadata(),this.movieTimescale=t.movieTimescale,this.movieDurationInTimescale=t.movieDurationInTimescale,this.metadataTags=t.metadataTags,this.isFragmented=!0,this.fragmentTrackDefaults=t.fragmentTrackDefaults,this.pss

1hBoxes=t.psshBoxes,t.tracks)){let t={id:e.id,demuxer:this,trackBacking:null,disposition:e.disposition,timescale:e.timescale,durationInMediaTimescale:e.durationInMediaTimescale,durationInMovieTimescale:e.durationInMovieTimescale,rotation:e.rotation,internalCodecId:e.internalCodecId,name:e.name,languageCode:e.languageCode,sampleTableByteOffset:null,sampleTable:null,fragmentLookupTable:[],currentFragmentState:null,fragmentPositionCache:[],editListPreviousSegmentDurations:e.editListPreviousSegmentDurations,editListOffset:e.editListOffset,encryptionInfo:e.encryptionInfo,encryptionAuxInfo:null,frmaCodecString:null,info:e.info};e.trackBacking&&((0,B.vA)(t.info),"video"===t.info.type&&-1!==t.info.width?(t.trackBacking=new e8(t),this.tracks.push(t)):"audio"===t.info.type&&-1!==t.info.numberOfChannels&&(t.trackBacking=new e4(t),this.tracks.push(t)))}}getSampleTableForTrack(e){if(e.sampleTable)return e.sampleTable;let t={sampleTimingEntries:[],sampleCompositionTimeOffsets:[],sampleSizes:[],keySampleIndices:null,chunkOffsets:[],sampleToChunk:[],presentationTimestamps:null,presentationTimestampIndexMap:null};if(e.sampleTable=t,null===e.sampleTableByteOffset)return t;(0,B.vA)(this.moovSlice);let i=this.moovSlice.slice(e.sampleTableByteOffset);if(this.currentTrack=e,this.traverseBox(i),this.currentTrack=null,e.info?.type==="audio"&&e.info.codec&&O.Wq.includes(e.info.codec)&&0===t.sampleCompositionTimeOffsets.length){(0,B.vA)(e.info?.type==="audio");let i=(0,O.Ei)(e.info.codec),r=[],a=[];for(let s=0;s<t.sampleToChunk.length;s++){let n=t.sampleToChunk[s],o=t.sampleToChunk[s+1],l=(o?o.startChunkIndex:t.chunkOffsets.length)-n.startChunkIndex;for(let s=0;s<l;s++){let o=n.startSampleIndex+s*n.samplesPerChunk,l=o+n.samplesPerChunk,c=(0,B.eE)(t.sampleTimingEntries,o,e=>e.startIndex),u=t.sampleTimingEntries[c],d=(0,B.eE)(t.sampleTimingEntries,l,e=>e.startIndex),h=t.sampleTimingEntries[d],m=u.startDecodeTimestamp+(o-u.startIndex)*u.delta,f=h.startDecodeTimestamp+(l-h.startIndex)*h.delta-m,p=(0,B._g)(r);p&&p.delta===f?p.count++:r.push({startIndex:n.startChunkIndex+s,startDecodeTimestamp:m,count:1,delta:f});let g=n.samplesPerChunk*i.sampleSize*e.info.numberOfChannels;a.push(g)}n.startSampleIndex=n.startChunkIndex,n.samplesPerChunk=1}t.sampleTimingEntries=r,t.sampleSizes=a}if(t.sampleCompositionTimeOffsets.length>0){for(let e of(t.presentationTimestamps=[],t.sampleTimingEntries))for(let i=0;i<e.count;i++)t.presentationTimestamps.push({presentationTimestamp:e.startDecodeTimestamp+i*e.delta,sampleIndex:e.startIndex+i});for(let e of t.sampleCompositionTimeOffsets)for(let i=0;i<e.count;i++){let r=e.startIndex+i,a=t.presentationTimestamps[r];a&&(a.presentationTimestamp+=e.offset)}t.presentationTimestamps.sort((e,t)=>e.presentationTimestamp-t.presentationTimestamp),t.presentationTimestampIndexMap=Array(t.presentationTimestamps.length).fill(-1);for(let e=0;e<t.presentationTimestamps.length;e++)t.presentationTimestampIndexMap[t.presentationTimestamps[e].sampleIndex]=e}return t}async readFragment(e){if(this.lastReadFragment?.moofOffset===e)return this.lastReadFragment;let t=this.reader.requestSliceRange(e,8,16);t instanceof Promise&&(t=await t),(0,B.vA)(t);let i=eV(t);(0,B.vA)(i?.name==="moof");let r=this.reader.requestSlice(e,i.totalSize);r instanceof Promise&&(r=await r),(0,B.vA)(r),this.traverseBox(r);let a=this.lastReadFragment;for(let[,t]of((0,B.vA)(a&&a.moofOffset===e),a.trackData)){let e=t.track,{fragmentPositionCache:i}=e;if(!t.startTimestampIsFinal){let r=e.fragmentLookupTable.find(e=>e.moofOffset===a.moofOffset);if(r)te(t,r.timestamp);else{let e=(0,B.eE)(i,a.moofOffset-1,e=>e.moofOffset);-1!==e&&te(t,i[e].endTimestamp)}t.startTimestampIsFinal=!0}let r=(0,B.eE)(i,t.startTimestamp,e=>e.startTimestamp);if((-1===r||i[r].moofOffset!==a.moofOffset)&&i.splice(r+1,0,{moofOffset:a.moofOff

1set,startTimestamp:t.startTimestamp,endTimestamp:t.endTimestamp}),t.encryptionAuxInfo&&e.encryptionInfo){let i=await ta(this.reader,e.encryptionInfo,t.encryptionAuxInfo);for(let e=0;e<Math.min(t.samples.length,i.length);e++){let r=i[e];t.samples[e].encryption=r}}}return a}readContiguousBoxes(e){let t=e.filePos;for(;e.filePos-t<=e.length-8&&this.traverseBox(e););}*iterateContiguousBoxes(e){let t=e.filePos;for(;e.filePos-t<=e.length-8;){let t=e.filePos,i=eV(e);if(!i)break;yield{boxInfo:i,slice:e},e.filePos=t+i.totalSize}}traverseBox(e){let t=e.filePos,i=eV(e);if(!i)return!1;let r=e.filePos,a=t+i.totalSize;switch(i.name){case"mdia":case"minf":case"dinf":case"mfra":case"edts":case"sinf":case"schi":case"wave":this.readContiguousBoxes(e.slice(r,i.contentSize));break;case"mvhd":{let t=an(e);e.skip(3),1===t?(e.skip(16),this.movieTimescale=ah(e),this.movieDurationInTimescale=ag(e)):(e.skip(8),this.movieTimescale=ah(e),this.movieDurationInTimescale=ah(e))}break;case"trak":{let t={id:-1,demuxer:this,trackBacking:null,disposition:{...U,primary:!1},info:null,timescale:-1,durationInMovieTimescale:-1,durationInMediaTimescale:-1,rotation:0,internalCodecId:null,name:null,languageCode:B.IR,sampleTableByteOffset:-1,sampleTable:null,fragmentLookupTable:[],currentFragmentState:null,fragmentPositionCache:[],editListPreviousSegmentDurations:0,editListOffset:0,encryptionInfo:null,encryptionAuxInfo:null,frmaCodecString:null};this.currentTrack=t,this.readContiguousBoxes(e.slice(r,i.contentSize)),-1!==t.id&&-1!==t.timescale&&null!==t.info&&("video"===t.info.type&&-1!==t.info.width?(t.trackBacking=new e8(t),this.tracks.push(t)):"audio"===t.info.type&&-1!==t.info.numberOfChannels&&(t.trackBacking=new e4(t),this.tracks.push(t))),this.currentTrack=null}break;case"tkhd":{let t=this.currentTrack;if(!t)break;let i=an(e),r=ac(e);if(t.disposition.default=!!(1&r),0===i)e.skip(8),t.id=ah(e),e.skip(4),t.durationInMovieTimescale=ah(e);else if(1===i)e.skip(16),t.id=ah(e),e.skip(4),t.durationInMovieTimescale=ag(e);else throw Error(`Incorrect track header version ${i}.`);e.skip(16);let a=[eq(e),eq(e),af(e)/0x40000000,eq(e),eq(e),af(e)/0x40000000,eq(e),eq(e),af(e)/0x40000000],s=(0,B.qT)((0,B.in)(tt(a),90));(0,B.vA)(0===s||90===s||180===s||270===s),t.rotation=s}break;case"elst":{let t=this.currentTrack;if(!t)break;let i=an(e);e.skip(3);let r=!1,a=0,s=ah(e);for(let n=0;n<s;n++){let s=1===i?ag(e):ah(e),n=1===i?ak(e):af(e),o=eq(e);if(0!==s){if(r){E.y._warn("Unsupported edit list: multiple edits are not currently supported. Only using first edit.");break}if(-1===n){a+=s;continue}if(1!==o){E.y._warn("Unsupported edit list entry: media rate must be 1.");break}t.editListPreviousSegmentDurations=a,t.editListOffset=n,r=!0}}}break;case"mdhd":{let t=this.currentTrack;if(!t)break;let i=an(e);e.skip(3),0===i?(e.skip(8),t.timescale=ah(e),t.durationInMediaTimescale=ah(e)):1===i&&(e.skip(16),t.timescale=ah(e),t.durationInMediaTimescale=ag(e));let r=al(e);if(r>0){t.languageCode="";for(let e=0;e<3;e++)t.languageCode=String.fromCharCode(96+(31&r))+t.languageCode,r>>=5;(0,B.Nu)(t.languageCode)||(t.languageCode=B.IR)}}break;case"hdlr":{let t=this.currentTrack;if(!t)break;e.skip(8);let i=aT(e,4);"vide"===i?t.info={type:"video",width:-1,height:-1,squarePixelWidth:-1,squarePixelHeight:-1,codec:null,codecDescription:null,colorSpace:null,avcType:null,avcCodecInfo:null,hevcCodecInfo:null,vp9CodecInfo:null,av1CodecInfo:null,proresFormat:null}:"soun"===i&&(t.info={type:"audio",numberOfChannels:-1,sampleRate:-1,codec:null,codecDescription:null,aacCodecInfo:null,pcmLittleEndian:!1,pcmSampleSize:null})}break;case"stbl":{let a=this.currentTrack;if(!a)break;a.sampleTableByteOffset=t,this.readContiguousBoxes(e.slice(r,i.contentSize))}break;case"stsd":{let t=this.currentTrack;if(!t||null===t.info||t.sampleTable)break;let i=an(e);e.skip(3);let r=ah(e);for(let a=0;a<r;a++){let r=e.filePos,a=eV(e);if(!a)break;t.internalCodecId=a.name;let s=a.name.toLowerCase();if("video"===t.info.type){e.skip(24),t.info.width=al(e),t.info.height=al(e),t.info.squarePixelWidth=t.info.width,t.info.squarePixelHeight=t.info.height,e.skip(50),t.frmaCodecString=null,this.readContiguousBoxes(e.slice(e.filePos,r+a.totalSize-e.filePos));let i="encv"===s?t.frmaCodecString:s;t.frmaCodecString=null,"avc1"===i||"avc3"===i?(t.info.codec="avc",t.info.avcType="avc1"===i?1:3):"hvc1"===i||"hev1"===i?t.info.codec="hevc":"vp08"===i?t.info.codec="vp8":"vp09"===i?t.info.codec="vp9":"av01"===i?t.info.codec="av1":O.Y2.includes(s)?(t.info.codec="prores",t.info.proresFormat=s):null===i?E.y._warn("Unknown encrypted video codec due to missing frma box."):E.y._warn(`Unsupported video codec (sample entry type '${a.name}').`)}else{e.skip(8);let n=al(e);e.skip(6);let o=al(e),l=al(e);e.skip(4);let c=ah(e)/65536,u=null;0===i&&n>0&&(1===n?(e.skip(4),l=8*ah(e),e.skip(8)):2===n&&(e.skip(4),c=ab(e),o=ah(e),e.skip(4),l=ah(e),u=ah(e),e.skip(8))),t.info.numberOfChannels=o,t.info.sampleRate=c,t.frmaCodecString=null,this.readContiguousBoxes(e.slice(e.filePos,r+a.totalSize-e.filePos));let d="enca"===s?t.frmaCodecString:s;if(t.frmaCodecString=null,"mp4a"===d);else if("opus"===d)t.info.codec="opus",t.info.sampleRate=O.yo;else if("flac"===d)t.info.codec="flac";else if("ulaw"===d)t.info.codec="ulaw";else if("alaw"===d)t.info.codec="alaw";

1else if("ac-3"===d)t.info.codec="ac3";else if("ec-3"===d)t.info.codec="eac3";else if("twos"===d)8===l?t.info.codec="pcm-s8":16===l?t.info.codec=t.info.pcmLittleEndian?"pcm-s16":"pcm-s16be":(E.y._warn(`Unsupported sample size ${l} for codec 'twos'.`),t.info.codec=null);else if("sowt"===d)8===l?t.info.codec="pcm-s8":16===l?t.info.codec="pcm-s16":(E.y._warn(`Unsupported sample size ${l} for codec 'sowt'.`),t.info.codec=null);else if("raw "===d)t.info.codec="pcm-u8";else if("in24"===d)t.info.codec=t.info.pcmLittleEndian?"pcm-s24":"pcm-s24be";else if("in32"===d)t.info.codec=t.info.pcmLittleEndian?"pcm-s32":"pcm-s32be";else if("fl32"===d)t.info.codec=t.info.pcmLittleEndian?"pcm-f32":"pcm-f32be";else if("fl64"===d)t.info.codec=t.info.pcmLittleEndian?"pcm-f64":"pcm-f64be";else if("ipcm"===d){let e=t.info.pcmSampleSize;t.info.pcmLittleEndian?16===e?t.info.codec="pcm-s16":24===e?t.info.codec="pcm-s24":32===e?t.info.codec="pcm-s32":(E.y._warn(`Invalid ipcm sample size ${e}.`),t.info.codec=null):16===e?t.info.codec="pcm-s16be":24===e?t.info.codec="pcm-s24be":32===e?t.info.codec="pcm-s32be":(E.y._warn(`Invalid ipcm sample size ${e}.`),t.info.codec=null)}else if("fpcm"===d){let e=t.info.pcmSampleSize;t.info.pcmLittleEndian?32===e?t.info.codec="pcm-f32":64===e?t.info.codec="pcm-f64":(E.y._warn(`Invalid fpcm sample size ${e}.`),t.info.codec=null):32===e?t.info.codec="pcm-f32be":64===e?t.info.codec="pcm-f64be":(E.y._warn(`Invalid fpcm sample size ${e}.`),t.info.codec=null)}else if("lpcm"===d&&null!==u){let e=l+7>>3,i=!!(1&u),r=!!(2&u),a=4&u?-1:0;l>0&&l<=64&&(i?32===l&&(t.info.codec=r?"pcm-f32be":"pcm-f32"):a&1<<e-1?1===e?t.info.codec="pcm-s8":2===e?t.info.codec=r?"pcm-s16be":"pcm-s16":3===e?t.info.codec=r?"pcm-s24be":"pcm-s24":4===e&&(t.info.codec=r?"pcm-s32be":"pcm-s32"):1===e&&(t.info.codec="pcm-u8")),null===t.info.codec&&E.y._warn("Unsupported PCM format.")}else null===d?E.y._warn("Unknown encrypted audio codec due to missing frma box."):E.y._warn(`Unsupported audio codec (sample entry type '${a.name}').`)}

1e.filePos=r+a.totalSize}}break;case"frma":{let t=this.currentTrack;if(!t)break;t.frmaCodecString=aT(e,4).toLowerCase()}break;case"schm":{let t=this.currentTrack;if(!t)break;e.skip(4);let i=aT(e,4);"cenc"===i||"cens"===i||"cbcs"===i?t.encryptionInfo={scheme:i,defaultKid:null,defaultIsProtected:null,defaultPerSampleIvSize:null,defaultConstantIv:null,defaultCryptByteBlock:null,defaultSkipByteBlock:null}:E.y._warn(`Unsupported encryption scheme '${i}'.`)}break;case"tenc":{let t=this.currentTrack;if(!t||!t.encryptionInfo)break;let i=an(e);e.skip(3),e.skip(1);let r=an(e);if(i>0?(t.encryptionInfo.defaultCryptByteBlock=r>>4,t.encryptionInfo.defaultSkipByteBlock=15&r):(t.encryptionInfo.defaultCryptByteBlock=0,t.encryptionInfo.defaultSkipByteBlock=0),t.encryptionInfo.defaultIsProtected=0!==an(e),t.encryptionInfo.defaultPerSampleIvSize=an(e),t.encryptionInfo.defaultKid=(0,B.Br)(as(e,16)),t.encryptionInfo.defaultIsProtected&&0===t.encryptionInfo.defaultPerSampleIvSize){let i=an(e),r=new Uint8Array(16);r.set(as(e,i),0),t.encryptionInfo.defaultConstantIv=r}}break;case"avcC":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info),t.info.codecDescription=as(e,i.contentSize)}break;case"hvcC":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info),t.info.codecDescription=as(e,i.contentSize)}break;case"vpcC":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="video"),e.skip(4);let i=an(e),r=an(e),a=an(e),s=an(e),n=an(e),o=an(e);t.info.vp9CodecInfo={profile:i,level:r,bitDepth:a>>4,chromaSubsampling:a>>1&7,videoFullRangeFlag:1&a,colourPrimaries:s,transferCharacteristics:n,matrixCoefficients:o}}break;case"av1C":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="video"),e.skip(1);let i=an(e),r=i>>5,a=an(e),s=a>>6&1;t.info.av1CodecInfo={profile:r,level:31&i,tier:a>>7,bitDepth:2===r&&s?a>>5&1?12:10:s?10:8,monochrome:a>>4&1,chromaSubsamplingX:a>>3&1,chromaSubsamplingY:a>>2&1,chromaSamplePosition:3&a}}break;case"colr":{let t,i=this.currentTrack;if(!i)break;(0,B.vA)(i.info?.type==="video");let r=aT(e,4);

1if("nclx"!==r&&"nclc"!==r)break;let a=al(e),s=al(e),n=al(e);"nclx"===r&&(t=!!(128&an(e))),i.info.colorSpace={primaries:B.BL[a],transfer:B.x_[s],matrix:B.fl[n],fullRange:t}}break;case"pasp":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="video");let i=ah(e),r=ah(e);i>0&&r>0&&(i>r?t.info.squarePixelWidth=Math.round(t.info.width*i/r):t.info.squarePixelHeight=Math.round(t.info.height*r/i))}break;case"esds":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="audio"),e.skip(4);let i=an(e);(0,B.vA)(3===i),eH(e),e.skip(2);let r=an(e);if((128&r)!=0&&e.skip(2),(64&r)!=0){let t=an(e);e.skip(t)}(32&r)!=0&&e.skip(2);let a=an(e);(0,B.vA)(4===a);let s=eH(e),n=e.filePos,o=an(e);if(64===o||103===o?(t.info.codec="aac",t.info.aacCodecInfo={isMpeg2:103===o,objectType:null}):105===o||107===o?t.info.codec="mp3":221===o?t.info.codec="vorbis":E.y._warn(`Unsupported audio codec (objectTypeIndication ${o}) - discarding track.`),e.skip(12),s>e.filePos-n){let i=an(e);(0,B.vA)(5===i);let r=eH(e);if(t.info.codecDescription=as(e,r),"aac"===t.info.codec){let e=(0,z.zF)(t.info.codecDescription);null!==e.numberOfChannels&&(t.info.numberOfChannels=e.numberOfChannels),null!==e.sampleRate&&(t.info.sampleRate=e.sampleRate)}}}break;case"enda":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="audio"),t.info.pcmLittleEndian=!!(255&al(e))}break;case"pcmC":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="audio"),e.skip(4);let i=an(e);t.info.pcmLittleEndian=!!(1&i),t.info.pcmSampleSize=an(e)}break;case"dOps":{let t,i=this.currentTrack;if(!i)break;(0,B.vA)(i.info?.type==="audio"),e.skip(1);let r=an(e),a=al(e),s=ah(e),n=au(e),o=an(e);t=0!==o?as(e,2+r):new Uint8Array(0);let l=new Uint8Array(19+t.byteLength),c=new DataView(l.buffer);c.setUint32(0,0x4f707573,!1),c.setUint32(4,0x48656164,!1),c.setUint8(8,1),c.setUint8(9,r),c.setUint16(10,a,!0),c.setUint32(12,s,!0),c.setInt16(16,n,!0),c.setUint8(18,o),l.set(t,19),i.info.codecDescription=l,i.info.numberOfChannels=r}break;case"dfLa":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="audio"),e.skip(4);let i=e.filePos;for(;e.filePos<a;){let i=an(e),r=ac(e);if((127&i)===S.STREAMINFO){e.skip(10);let i=ah(e),r=i>>>12,a=(i>>9&7)+1;t.info.sampleRate=r,t.info.numberOfChannels=a,e.skip(20)}else e.skip(r);if(128&i)break}let r=e.filePos;e.filePos=i;let s=as(e,r-i),n=new Uint8Array(4+s.byteLength);new DataView(n.buffer).setUint32(0,0x664c6143,!1),n.set(s,4),t.info.codecDescription=n}break;case"dac3":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="audio");let i=as(e,3),r=new Q._(i),a=r.readBits(2);r.skipBits(8);let s=r.readBits(3),n=r.readBits(1);a<3&&(t.info.sampleRate=$[a]),t.info.numberOfChannels=ex[s]+n}break;case"dec3":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.info?.type==="audio");let r=(e=>{if(e.length<2)return null;let t=new Q._(e),i=t.readBits(13),r=t.readBits(3),a=[];for(let i=0;i<=r&&!(Math.ceil(t.pos/8)+3>e.length);i++){let e=t.readBits(2),i=t.readBits(5);t.skipBits(1),t.skipBits(1);let r=t.readBits(3),s=t.readBits(3),n=t.readBits(1);t.skipBits(3);let o=t.readBits(4),l=0;o>0?l=t.readBits(9):t.skipBits(1),a.push({fscod:e,fscod2:null,bsid:i,bsmod:r,acmod:s,lfeon:n,numDepSub:o,chanLoc:l})}return 0===a.length?null:{dataRate:i,substreams:a}})(as(e,i.contentSize));if(!r){E.y._warn("Invalid dec3 box contents, ignoring.");break}let a=eD(r);null!==a&&(t.info.sampleRate=a),t.info.numberOfChannels=eU(r)}break;case"stts":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let i=ah(e),r=0,a=0;for(let s=0;s<i;s++){let i=ah(e),s=ah(e);t.sampleTable.sampleTimingEntries.push({startIndex:r,startDecodeTimestamp:a,count:i,delta:s}),r+=i,a+=i*s}}break;case"ctts":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let i=ah(e),r=0;for(let a=0;a<i;a++){let i=ah(e),a=af(e);t.sampleTable.sampleCompositionTimeOffsets.push({startIndex:r,count:i,offset:a}),r+=i}}break;case"stsz":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let i=ah(e),r=ah(e);if(0===i)for(let i=0;i<r;i++){let i=ah(e);t.sampleTable.sampleSizes.push(i)}else t.sampleTable.sampleSizes.push(i)}break;case"stz2":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4),e.skip(3);let i=an(e),r=ah(e),a=as(e,Math.ceil(r*i/8)),s=new Q._(a);for(let e=0;e<r;e++){let e=s.readBits(i);t.sampleTable.sampleSizes.push(e)}}break;case"stss":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4),t.sampleTable.keySampleIndices=[];let i=ah(e);for(let r=0;r<i;r++){let i=ah(e)-1;t.sampleTable.keySampleIndices.push(i)}0!==t.sampleTable.keySampleIndices[0]&&t.sampleTable.keySampleIndices.unshift(0)}break;case"stsc":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let i=ah(e);for(let r=0;r<i;r++){let i=ah(e)-1,r=ah(e),a=ah(e);t.sampleTable.sampleToChunk.push({startSampleIndex:-1,startChunkIndex:i,samplesPerChunk:r,sampleDescriptionIndex:a})}let r=0;for(let e=0;e<t.sampleTable.sampleToChunk.length;e++)t.sampleTable.sampleToChunk[e].startSampleIndex=r,e<t.sampleTable.sampleToChunk.length-1&&(r+=(t.sampleTable.sampleToChunk[e+1].startChunkIndex-t.sampleTable.sampleToChunk[e].startChunkIndex)*t.sampleTable.sampleToChunk[e].samplesPerChunk)}break;case"stco":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let i=ah(e);for(let r=0;r<i;r++){let i=ah(e);t.sampleTable.chunkOffsets.push(i)}}break;case"co64":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let i=ah(e);for(let r=0;r<i;r++){let i=ag(e);t.sampleTable.chunkOffsets.push(i)}}break;case"mvex":this.isFragmented=!0,this.readContiguousBoxes(e.slice(r,i.contentSize));break;case"mehd":{let t=an(e);e.skip(3);let i=1===t?ag(e):ah(e);this.movieDurationInTimescale=i}break;case"trex":{e.skip(4);let t=ah(e),i=ah(e),r=ah(e),a=ah(e),s=ah(e);this.fragmentTrackDefaults.push({trackId:t,defaultSampleDescriptionIndex:i,defaultSampleDuration:r,defaultSampleSize:a,defaultSampleFlags:s})}break;case"tfra":{let t=an(e);e.skip(3);let i=ah(e),r=this.tracks.find(e=>e.id===i);if(!r)break;let a=ah(e),s=[an,al,ac,ah],n=s[(48&a)>>4],o=s[(12&a)>>2],l=s[3&a],c=ah(e);for(let i=0;i<c;i++){let i=1===t?ag(e):ah(e),a=1===t?ag(e):ah(e);

1n(e),o(e),l(e),r.fragmentLookupTable.push({timestamp:i,moofOffset:a})}r.fragmentLookupTable.sort((e,t)=>e.timestamp-t.timestamp);for(let e=0;e<r.fragmentLookupTable.length-1;e++){let t=r.fragmentLookupTable[e],i=r.fragmentLookupTable[e+1];t.timestamp===i.timestamp&&(r.fragmentLookupTable.splice(e+1,1),e--)}}break;case"moof":this.currentFragment={moofOffset:t,moofSize:i.totalSize,implicitBaseDataOffset:t,trackData:new Map,psshBoxes:[]},this.readContiguousBoxes(e.slice(r,i.contentSize)),this.lastReadFragment=this.currentFragment,this.currentFragment=null;break;case"traf":if((0,B.vA)(this.currentFragment),this.readContiguousBoxes(e.slice(r,i.contentSize)),this.currentTrack){let e=this.currentFragment.trackData.get(this.currentTrack.id);e:if(e){if(0===e.samples.length){this.currentFragment.trackData.delete(this.currentTrack.id);break e}e.presentationTimestamps=e.samples.map((e,t)=>({presentationTimestamp:e.presentationTimestamp,sampleIndex:t})).sort((e,t)=>e.presentationTimestamp-t.presentationTimestamp);for(let t=0;t<e.presentationTimestamps.length;t++){let i=e.presentationTimestamps[t],r=e.samples[i.sampleIndex];null===e.firstKeyFrameTimestamp&&r.isKeyFrame&&(e.firstKeyFrameTimestamp=r.presentationTimestamp),t<e.presentationTimestamps.length-1&&(r.duration=e.presentationTimestamps[t+1].presentationTimestamp-i.presentationTimestamp)}let t=e.samples[e.presentationTimestamps[0].sampleIndex],i=e.samples[(0,B._g)(e.presentationTimestamps).sampleIndex];e.startTimestamp=t.presentationTimestamp,e.endTimestamp=i.presentationTimestamp+i.duration;let{currentFragmentState:r}=this.currentTrack;(0,B.vA)(r),null!==r.startTimestamp&&(te(e,r.startTimestamp),e.startTimestampIsFinal=!0),r.encryptionAuxInfo&&!e.samples[0].encryption&&(e.encryptionAuxInfo=r.encryptionAuxInfo)}this.currentTrack.currentFragmentState=null,this.currentTrack=null}break;case"pssh":{if(this.input._formatOptions.isobmff?._suppressPsshParsing)break;let t=eN(as(e,i.contentSize));this.currentFragment?this.currentFragment.psshBoxes.push(t):this.currentTrack||this.psshBoxes.push(t)}break;case"tfhd":{(0,B.vA)(this.currentFragment),e.skip(1);let t=ac(e),i=ah(e),r=this.tracks.find(e=>e.id===i);if(!r)break;let a=this.fragmentTrackDefaults.find(e=>e.trackId===i);this.currentTrack=r,r.currentFragmentState={baseDataOffset:this.currentFragment.implicitBaseDataOffset,sampleDescriptionIndex:a?.defaultSampleDescriptionIndex??null,defaultSampleDuration:a?.defaultSampleDuration??null,defaultSampleSize:a?.defaultSampleSize??null,defaultSampleFlags:a?.defaultSampleFlags??null,startTimestamp:null,encryptionAuxInfo:null},1&t?r.currentFragmentState.baseDataOffset=ag(e):131072&t&&(r.currentFragmentState.baseDataOffset=this.currentFragment.moofOffset),2&t&&(r.currentFragmentState.sampleDescriptionIndex=ah(e)),8&t&&(r.currentFragmentState.defaultSampleDuration=ah(e)),16&t&&(r.currentFragmentState.defaultSampleSize=ah(e)),32&t&&(r.currentFragmentState.defaultSampleFlags=ah(e)),65536&t&&(r.currentFragmentState.defaultSampleDuration=0)}break;case"tfdt":{let t=this.currentTrack;if(!t)break;(0,B.vA)(t.currentFragmentState);let i=an(e);e.skip(3);let r=0===i?ah(e):ag(e);t.currentFragmentState.startTimestamp=r}break;case"trun":{let t,i=this.currentTrack;if(!i)break;(0,B.vA)(this.currentFragment),(0,B.vA)(i.currentFragmentState);let r=an(e),a=ac(e),s=!!(256&a),n=!!(512&a),o=!!(1024&a),l=!!(2048&a),c=ah(e),u=null;1&a&&(u=af(e));let d=null;4&a&&(d=ah(e)),this.currentFragment.trackData.has(i.id)?(t=this.currentFragment.trackData.get(i.id),null!==u&&(t.currentOffset=i.currentFragmentState.baseDataOffset+u)):(t={track:i,currentTimestamp:0,currentOffset:i.currentFragmentState.baseDataOffset+(u??0),startTimestamp:0,endTimestamp:0,firstKeyFrameTimestamp:null,samples:[],presentationTimestamps:[],startTimestampIsFinal:!1,encryptionAuxInfo:null},this.currentFragment.trackData.set(i.id,t));for(let a=0;a<c;a++){let c,u,h;s?c=ah(e):((0,B.vA)(null!==i.currentFragmentState.defaultSampleDuration),c=i.currentFragmentState.defaultSampleDuration),n?u=ah(e):((0,B.vA)(null!==i.currentFragmentState.defaultSampleSize),u=i.currentFragmentState.defaultSampleSize),o?h=ah(e):((0,B.vA)(null!==i.currentFragmentState.defaultSampleFlags),h=i.currentFragmentState.defaultSampleFlags),0===a&&null!==d&&(h=d);let m=0;l&&(m=0===r?ah(e):af(e));let f=!(65536&h);t.samples.push({presentationTimestamp:t.currentTimestamp+m,duration:c,byteOffset:t.currentOffset,byteSize:u,isKeyFrame:f,encryption:null}),t.currentOffset+=u,t.currentTimestamp+=c}this.currentFragment.implicitBaseDataOffset=t.currentOffset}break;case"saiz":{let t=this.currentTrack;if(!t||!t.encryptionInfo)break;if(e.skip(1),1&ac(e)){let i=aT(e,4),r=ah(e);if(i!==t.encryptionInfo.scheme||0!==r)break}let i=an(e),r=ah(e),a=null;0===i&&r>0&&(a=as(e,r));let s=tr(t);s.defaultSampleInfoSize=i,s.sampleSizes=a,s.sampleCount=r}break;case"saio":{let t=this.currentTrack;if(!t||!t.encryptionInfo)break;let i=an(e);if(1&ac(e)){let i=aT(e,4),r=ah(e);if(i!==t.encryptionInfo.scheme||0!==r)break}let r=ah(e);if(0===r)break;r>1&&E.y._warn("Multiple saio entries are not supported; using the first offset only.");let a=0===i?ah(e):Number(ag(e));this.currentFragment&&(a+=this.currentFragment.moofOffset),tr(t).offset=a}break;case"senc":{let t=this.currentTrack;if(!t||!t.encryptionInfo)break;(0,B.vA)(this.currentFragment);let i=this.currentFragment.trackData.get(t.id);if(!i)break;e.skip(1);let r=!!(2&ac(e)),a=ah(e),s=t.encryptionInfo.defaultPerSampleIvSize;(0,B.vA)(null!==s);for(let n=0;n<Math.min(a,i.samples.length);n++){let a=new Uint8Array(16);s>0?a.set(as(e,s),0):a.set(t.encryptionInfo.defaultConstantIv,0);let o=null;if(r){let t=al(e);o=[];for(let i=0;i<t;i++){let t=al(e),i=ah(e);o.push({clearLen:t,protectedLen:i})}}i.samples[n].encryption={iv:a,subsamples:o}}}break;case"udta":for(let{boxInfo:t,slice:a}of this.iterateContiguousBoxes(e.slice(r,i.contentSize))){if("meta"!==t.name&&!this.currentTrack){let e=a.filePos;this.metadataTags.raw??={},"\xa9"===t.name[0]?this.metadataTags.raw[t.name]??=eK(a):this.metadataTags.raw[t.name]??=as(a,t.contentSize),a.filePos=e}switch(t.name){case"meta":a.skip(-t.headerSize),this.traverseBox(a);break;case"\xa9nam":case"name":this.currentTrack?this.currentTrack.name=B.su.decode(as(a,t.contentSize)):this.metadataTags.title??=eK(a);break;case"\xa9des":this.currentTrack||(this.metadataTags.description??=eK(a));break;case"\xa9ART":this.currentTrack||(this.metadataTags.artist??=eK(a));break;

1case"\xa9alb":this.currentTrack||(this.metadataTags.album??=eK(a));break;case"albr":this.currentTrack||(this.metadataTags.albumArtist??=eK(a));break;case"\xa9gen":this.currentTrack||(this.metadataTags.genre??=eK(a));break;case"\xa9day":if(!this.currentTrack){let e=new Date(eK(a));Number.isNaN(e.getTime())||(this.metadataTags.date??=e)}break;case"\xa9cmt":this.currentTrack||(this.metadataTags.comment??=eK(a));break;case"\xa9lyr":this.currentTrack||(this.metadataTags.lyrics??=eK(a))}}break;case"meta":{if(this.currentTrack)break;let t=ah(e);this.currentMetadataKeys=new Map,0!==t?this.readContiguousBoxes(e.slice(r,i.contentSize)):this.readContiguousBoxes(e.slice(r+4,i.contentSize-4)),this.currentMetadataKeys=null}break;case"keys":{if(!this.currentMetadataKeys)break;e.skip(4);let t=ah(e);for(let i=0;i<t;i++){let t=ah(e);e.skip(4);let r=B.su.decode(as(e,t-8));this.currentMetadataKeys.set(i+1,r)}}break;case"ilst":if(!this.currentMetadataKeys)break;for(let{boxInfo:t,slice:a}of this.iterateContiguousBoxes(e.slice(r,i.contentSize))){let e=t.name,i=(e.charCodeAt(0)<<24)+(e.charCodeAt(1)<<16)+(e.charCodeAt(2)<<8)+e.charCodeAt(3);this.currentMetadataKeys.has(i)&&(e=this.currentMetadataKeys.get(i));let r=e$(a);switch(this.metadataTags.raw??={},this.metadataTags.raw[e]??=r,e){case"\xa9nam":case"titl":case"com.apple.quicktime.title":case"title":"string"==typeof r&&(this.metadataTags.title??=r);break;case"\xa9des":case"desc":case"dscp":case"com.apple.quicktime.description":case"description":"string"==typeof r&&(this.metadataTags.description??=r);break;case"\xa9ART":case"com.apple.quicktime.artist":case"artist":"string"==typeof r&&(this.metadataTags.artist??=r);break;case"\xa9alb":case"albm":case"com.apple.quicktime.album":case"album":"string"==typeof r&&(this.metadataTags.album??=r);break;case"aART":case"album_artist":"string"==typeof r&&(this.metadataTags.albumArtist??=r);break;case"\xa9cmt":case"com.apple.quicktime.comment":case"comment":"string"==typeof r&&(this.metadataTags.comment??=r);break;case"\xa9gen":case"gnre":case"com.apple.quicktime.genre":case"genre":"string"==typeof r&&(this.metadataTags.genre??=r);break;case"\xa9lyr":case"lyrics":"string"==typeof r&&(this.metadataTags.lyrics??=r);break;case"\xa9day":case"rldt":case"com.apple.quicktime.creationdate":case"date":if("string"==typeof r){let e=new Date(r);Number.isNaN(e.getTime())||(this.metadataTags.date??=e)}break;case"covr":case"com.apple.quicktime.artwork":r instanceof F?(this.metadataTags.images??=[],this.metadataTags.images.push({data:r.data,kind:"coverFront",mimeType:r.mimeType})):r instanceof Uint8Array&&(this.metadataTags.images??=[],this.metadataTags.images.push({data:r,kind:"coverFront",mimeType:"image/*"}));break;case"track":if("string"==typeof r){let e=r.split("/"),t=Number.parseInt(e[0],10),i=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(this.metadataTags.trackNumber??=t),i&&Number.isInteger(i)&&i>0&&(this.metadataTags.tracksTotal??=i)}break;case"trkn":if(r instanceof Uint8Array&&r.length>=6){let e=(0,B.Zc)(r),t=e.getUint16(2,!1),i=e.getUint16(4,!1);t>0&&(this.metadataTags.trackNumber??=t),i>0&&(this.metadataTags.tracksTotal??=i)}break;case"disc":case"disk":if(r instanceof Uint8Array&&r.length>=6){let e=(0,B.Zc)(r),t=e.getUint16(2,!1),i=e.getUint16(4,!1);t>0&&(this.metadataTags.discNumber??=t),i>0&&(this.metadataTags.discsTotal??=i)}}}}return e.filePos=a,!0}}class e3{constructor(e){this.internalTrack=e,this.packetToSampleIndex=new WeakMap,this.packetToFragmentLocation=new WeakMap}getId(){return this.internalTrack.id}getNumber(){let e=this.internalTrack.demuxer,t=this.internalTrack.trackBacking.getType(),i=0;for(let r of e.tracks)if(r.trackBacking.getType()===t&&i++,r===this.internalTrack)break;return i}getCodec(){throw Error("Not implemented on base class.")}getInternalCodecId(){return this.internalTrack.internalCodecId}getName(){return this.internalTrack.name}getLanguageCode(){return this.internalTrack.languageCode}getTimeResolution(){return this.internalTrack.timescale}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getDisposition(){return this.internalTrack.disposition}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){let e=this.internalTrack;if(e.durationInMediaTimescale<=0)return null;(0,B.vA)(e.trackBacking);let t=await e.trackBacking.getFirstPacket({metadataOnly:!0});return(t?.timestamp??0)+e.durationInMediaTimescale/e.timescale}

1async getLiveRefreshInterval(){return null}async getFirstPacket(e){let t=await this.fetchPacketForSampleIndex(0,e);return t||!this.internalTrack.demuxer.isFragmented?t:this.performFragmentedLookup(null,e=>e.trackData.get(this.internalTrack.id)?{sampleIndex:0,correctSampleFound:!0}:{sampleIndex:-1,correctSampleFound:!1},-1/0,1/0,e)}mapTimestampIntoTimescale(e){return(0,B.aI)(e*this.internalTrack.timescale)+this.internalTrack.editListOffset}async getPacket(e,t){let i=this.mapTimestampIntoTimescale(e),r=this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),a=e6(r,i),s=await this.fetchPacketForSampleIndex(a,t);return ti(r)&&this.internalTrack.demuxer.isFragmented?this.performFragmentedLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{sampleIndex:-1,correctSampleFound:!1};let r=(0,B.eE)(t.presentationTimestamps,i,e=>e.presentationTimestamp);return{sampleIndex:-1!==r?t.presentationTimestamps[r].sampleIndex:-1,correctSampleFound:-1!==r&&i<t.endTimestamp}},i,i,t):s}async getNextPacket(e,t){let i=this.packetToSampleIndex.get(e);if(void 0!==i)return this.fetchPacketForSampleIndex(i+1,t);let r=this.packetToFragmentLocation.get(e);if(void 0===r)throw Error("Packet was not created from this track.");return this.performFragmentedLookup(r.fragment,e=>{if(e===r.fragment){let t=e.trackData.get(this.internalTrack.id);if(r.sampleIndex+1<t.samples.length)return{sampleIndex:r.sampleIndex+1,correctSampleFound:!0}}else if(e.trackData.get(this.internalTrack.id))return{sampleIndex:0,correctSampleFound:!0};return{sampleIndex:-1,correctSampleFound:!1}},-1/0,1/0,t)}async getKeyPacket(e,t){let i=this.mapTimestampIntoTimescale(e),r=this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),a=e5(r,i),s=await this.fetchPacketForSampleIndex(a,t);return ti(r)&&this.internalTrack.demuxer.isFragmented?this.performFragmentedLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{sampleIndex:-1,correctSampleFound:!1};let r=(0,B.Kl)(t.presentationTimestamps,e=>t.samples[e.sampleIndex].isKeyFrame&&e.presentationTimestamp<=i);return{sampleIndex:-1!==r?t.presentationTimestamps[r].sampleIndex:-1,correctSampleFound:-1!==r&&i<t.endTimestamp}},i,i,t):s}async getNextKeyPacket(e,t){let i=this.packetToSampleIndex.get(e);if(void 0!==i){let e=e9(this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),i);return this.fetchPacketForSampleIndex(e,t)}let r=this.packetToFragmentLocation.get(e);if(void 0===r)throw Error("Packet was not created from this track.");return this.performFragmentedLookup(r.fragment,e=>{if(e===r.fragment){let t=e.trackData.get(this.internalTrack.id).samples.findIndex((e,t)=>e.isKeyFrame&&t>r.sampleIndex);if(-1!==t)return{sampleIndex:t,correctSampleFound:!0}}else{let t=e.trackData.get(this.internalTrack.id);if(t&&null!==t.firstKeyFrameTimestamp){let e=t.samples.findIndex(e=>e.isKeyFrame);return(0,B.vA)(-1!==e),{sampleIndex:e,correctSampleFound:!0}}}return{sampleIndex:-1,correctSampleFound:!1}},-1/0,1/0,t)}async fetchPacketForSampleIndex(e,t){let i;if(-1===e)return null;let r=e7(this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),e);if(!r)return null;if(t.metadataOnly)i=eO.T;else{let t=this.internalTrack.demuxer.reader.requestSlice(r.sampleOffset,r.sampleSize);if(t instanceof Promise&&(t=await t),!t)return null;if(i=as(t,r.sampleSize),this.internalTrack.encryptionAuxInfo){(0,B.vA)(this.internalTrack.encryptionInfo);let t=await ta(this.internalTrack.demuxer.reader,this.internalTrack.encryptionInfo,this.internalTrack.encryptionAuxInfo);e<t.length&&(i=await ts(this.internalTrack,t[e],i,null))}}let a=(r.presentationTimestamp-this.internalTrack.editListOffset)/this.internalTrack.timescale,s=r.duration/this.internalTrack.timescale,n=new eO.Z(i,r.isKeyFrame?"key":"delta",a,s,e,r.sampleSize);return this.packetToSampleIndex.set(n,e),n}async fetchPacketInFragment(e,t,i){let r;if(-1===t)return null;let a=e.trackData.get(this.internalTrack.id).samples[t];if((0,B.vA)(a),i.metadataOnly)r=eO.T;else{let t=this.internalTrack.demuxer.reader.requestSlice(a.byteOffset,a.byteSize);if(t instanceof Promise&&(t=await t),!t)return null;r=as(t,a.byteSize),a.encryption&&(r=await ts(this.internalTrack,a.encryption,r,e))}let s=(a.presentationTimestamp-this.internalTrack.editListOffset)/this.internalTrack.timescale,n=a.duration/this.internalTrack.timescale,o=new eO.Z(r,a.isKeyFrame?"key":"delta",s,n,e.moofOffset+t,a.byteSize);return this.packetToFragmentLocation.set(o,{fragment:e,sampleIndex:t}),o}async performFragmentedLookup(e,t,i,r,a){let s,n=this.internalTrack.demuxer,o=null,l=null,c=-1;if(e){let{sampleIndex:i,correctSampleFound:r}=t(e);if(r)return this.fetchPacketInFragment(e,i,a);-1!==i&&(l=e,c=i)}let u=(0,B.eE)(this.internalTrack.fragmentLookupTable,i,e=>e.timestamp),d=-1!==u?this.internalTrack.fragmentLookupTable[u]:null,h=(0,B.eE)(this.internalTrack.fragmentPositionCache,i,e=>e.startTimestamp),m=-1!==h?this.internalTrack.fragmentPositionCache[h]:null,f=Math.max(d?.moofOffset??0,m?.moofOffset??0)||null;for(e?null===f||e.moofOffset>=f?(s=e.moofOffset+e.moofSize,o=e):s=f:s=f??0;;){if(o){let e=o.trackData.get(this.internalTrack.id);if(e&&e.startTimestamp>r)break}let e=n.reader.requestSliceRange(s,8,16);if(e instanceof Promise&&(e=await e),!e)break;let i=s,u=eV(e);if(!u)break;if("moof"===u.name){let{sampleIndex:e,correctSampleFound:r}=t(o=await n.readFragment(i));if(r)return this.fetchPacketInFragment(o,e,a);-1!==e&&(l=o,c=e)}s=i+u.totalSize}

1if(d&&(!l||l.moofOffset<d.moofOffset)){let e=this.internalTrack.fragmentLookupTable[u-1];(0,B.vA)(!e||e.timestamp<d.timestamp);let i=e?.timestamp??-1/0;return this.performFragmentedLookup(null,t,i,r,a)}return l?this.fetchPacketInFragment(l,c,a):null}}class e8 extends e3{constructor(e){super(e),this.decoderConfigPromise=null,this.internalTrack=e}getType(){return"video"}getCodec(){return this.internalTrack.info.codec}getCodedWidth(){return this.internalTrack.info.width}getCodedHeight(){return this.internalTrack.info.height}getSquarePixelWidth(){return this.internalTrack.info.squarePixelWidth}getSquarePixelHeight(){return this.internalTrack.info.squarePixelHeight}getRotation(){return this.internalTrack.rotation}async getColorSpace(){return{primaries:this.internalTrack.info.colorSpace?.primaries,transfer:this.internalTrack.info.colorSpace?.transfer,matrix:this.internalTrack.info.colorSpace?.matrix,fullRange:this.internalTrack.info.colorSpace?.fullRange}}async canBeTransparent(){return"prores"===this.internalTrack.info.codec&&("ap4h"===this.internalTrack.info.proresFormat||"ap4x"===this.internalTrack.info.proresFormat)}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfigPromise??=(async()=>{if("vp9"!==this.internalTrack.info.codec||this.internalTrack.info.vp9CodecInfo){if("av1"===this.internalTrack.info.codec&&!this.internalTrack.info.av1CodecInfo){let e=await this.getFirstPacket({});this.internalTrack.info.av1CodecInfo=e&&eT(e.data)}}else{let e=await this.getFirstPacket({});this.internalTrack.info.vp9CodecInfo=e&&ew(e.data)}let e={codec:(0,O.QP)(this.internalTrack.info),codedWidth:this.internalTrack.info.width,codedHeight:this.internalTrack.info.height,description:this.internalTrack.info.codecDescription??void 0,colorSpace:this.internalTrack.info.colorSpace??void 0};return(this.internalTrack.info.width!==this.internalTrack.info.squarePixelWidth||this.internalTrack.info.height!==this.internalTrack.info.squarePixelHeight)&&(e.displayAspectWidth=this.internalTrack.info.squarePixelWidth,e.displayAspectHeight=this.internalTrack.info.squarePixelHeight),e})():null}}class e4 extends e3{constructor(e){super(e),this.decoderConfig=null,this.internalTrack=e}getType(){return"audio"}getCodec(){return this.internalTrack.info.codec}getNumberOfChannels(){return this.internalTrack.info.numberOfChannels}getSampleRate(){return this.internalTrack.info.sampleRate}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfig??={codec:(0,O.X0)(this.internalTrack.info),numberOfChannels:this.internalTrack.info.numberOfChannels,sampleRate:this.internalTrack.info.sampleRate,description:this.internalTrack.info.codecDescription??void 0}:null}}let e6=(e,t)=>{if(e.presentationTimestamps){let i=(0,B.eE)(e.presentationTimestamps,t,e=>e.presentationTimestamp);return -1===i?-1:e.presentationTimestamps[i].sampleIndex}{let i=(0,B.eE)(e.sampleTimingEntries,t,e=>e.startDecodeTimestamp);if(-1===i)return -1;let r=e.sampleTimingEntries[i];return r.startIndex+Math.min(Math.floor((t-r.startDecodeTimestamp)/r.delta),r.count-1)}},e5=(e,t)=>{if(!e.keySampleIndices)return e6(e,t);if(e.presentationTimestamps){let i=(0,B.eE)(e.presentationTimestamps,t,e=>e.presentationTimestamp);if(-1===i)return -1;for(let t=i;t>=0;t--){let i=e.presentationTimestamps[t].sampleIndex;if(-1!==(0,B.pl)(e.keySampleIndices,i,e=>e))return i}return -1}{let i=e6(e,t),r=(0,B.eE)(e.keySampleIndices,i,e=>e);return e.keySampleIndices[r]??-1}},e7=(e,t)=>{let i=(0,B.eE)(e.sampleTimingEntries,t,e=>e.startIndex),r=e.sampleTimingEntries[i];if(!r||r.startIndex+r.count<=t)return null;let a=r.startDecodeTimestamp+(t-r.startIndex)*r.delta,s=(0,B.eE)(e.sampleCompositionTimeOffsets,t,e=>e.startIndex),n=e.sampleCompositionTimeOffsets[s];n&&t-n.startIndex<n.count&&(a+=n.offset);let o=e.sampleSizes[Math.min(t,e.sampleSizes.length-1)],l=(0,B.eE)(e.sampleToChunk,t,e=>e.startSampleIndex),c=e.sampleToChunk[l];(0,B.vA)(c);let u=c.startChunkIndex+Math.floor((t-c.startSampleIndex)/c.samplesPerChunk),d=e.chunkOffsets[u],h=c.startSampleIndex+(u-c.startChunkIndex)*c.samplesPerChunk,m=0,f=d;

1if(1===e.sampleSizes.length)f+=o*(t-h),m+=o*c.samplesPerChunk;else for(let i=h;i<h+c.samplesPerChunk;i++){let r=e.sampleSizes[i];i<t&&(f+=r),m+=r}let p=r.delta;if(e.presentationTimestamps){let i=e.presentationTimestampIndexMap[t];(0,B.vA)(void 0!==i),i<e.presentationTimestamps.length-1&&(p=e.presentationTimestamps[i+1].presentationTimestamp-a)}return{presentationTimestamp:a,duration:p,sampleOffset:f,sampleSize:o,chunkOffset:d,chunkSize:m,isKeyFrame:!e.keySampleIndices||-1!==(0,B.pl)(e.keySampleIndices,t,e=>e)}},e9=(e,t)=>{if(!e.keySampleIndices)return t+1;let i=(0,B.eE)(e.keySampleIndices,t,e=>e);return e.keySampleIndices[i+1]??-1},te=(e,t)=>{for(let i of(e.startTimestamp+=t,e.endTimestamp+=t,e.samples))i.presentationTimestamp+=t;for(let i of e.presentationTimestamps)i.presentationTimestamp+=t},tt=e=>{let[t,i]=e,r=Math.atan2(i,t);return Number.isFinite(r)?180/Math.PI*r:0},ti=e=>0===e.sampleSizes.length,tr=e=>e.currentFragmentState?e.currentFragmentState.encryptionAuxInfo??={defaultSampleInfoSize:0,sampleSizes:null,sampleCount:0,offset:null,resolved:null}:e.encryptionAuxInfo??={defaultSampleInfoSize:0,sampleSizes:null,sampleCount:0,offset:null,resolved:null},ta=async(e,t,i)=>{if(i.resolved)return i.resolved;if(null===i.offset||0===i.sampleCount)throw Error("Incomplete saiz/saio info; cannot resolve encryption data.");let r=0;if(i.defaultSampleInfoSize>0)r=i.defaultSampleInfoSize*i.sampleCount;else{(0,B.vA)(i.sampleSizes);for(let e=0;e<i.sampleCount;e++)r+=i.sampleSizes[e]}let a=e.requestSlice(i.offset,r);if(a instanceof Promise&&(a=await a),!a)throw Error("Failed to read auxiliary encryption info.");let s=t.defaultPerSampleIvSize;(0,B.vA)(null!==s);let n=[];for(let e=0;e<i.sampleCount;e++){let r=i.defaultSampleInfoSize>0?i.defaultSampleInfoSize:i.sampleSizes[e],o=new Uint8Array(16);s>0?o.set(as(a,s),0):o.set(t.defaultConstantIv,0);let l=null;if(r>s){let e=al(a);l=[];for(let t=0;t<e;t++){let e=al(a),t=ah(a);l.push({clearLen:e,protectedLen:t})}}n.push({iv:o,subsamples:l})}return i.resolved=n,n},ts=async(e,t,i,r)=>{let a;(0,B.vA)(e.encryptionInfo);let s=e.encryptionInfo;(0,B.vA)(null!==s.defaultKid);let n=s.defaultKid,o=e.demuxer.decryptionKeyCache.get(n);if(o)a=await o;else{if(!e.demuxer.input._formatOptions.isobmff?.resolveKeyId)throw Error("Encrypted media samples encountered. To decrypt them, please provide a callback for InputOptions.formatOptions.isobmff.resolveKeyId.");let t=(async()=>{let t=e.demuxer.psshBoxes;if(r){t=[...t,...r.psshBoxes].filter(e=>null===e.keyIds||e.keyIds.includes(n));for(let e=0;e<t.length-1;e++)for(let i=e+1;i<t.length;i++)eW(t[e],t[i])&&(t.splice(i,1),i--)}let i=await e.demuxer.input._formatOptions.isobmff.resolveKeyId({keyId:n,psshBoxes:t});if(!("string"==typeof i&&32===i.length&&B.Sn.test(i)||i instanceof Uint8Array&&16===i.byteLength))throw TypeError("resolveKeyId must return a 32-character hex string or a 16-byte Uint8Array containing the decryption key.");return i instanceof Uint8Array?i:(0,B.ZY)(i)})();e.demuxer.decryptionKeyCache.set(n,t),a=await t}return"cenc"===s.scheme||"cens"===s.scheme?tn(a,s,t,i):to(a,s,t,i)},tn=async(e,t,i,r)=>{let a=new Uint8Array(16);a.set(i.iv,0);let s=await crypto.subtle.importKey("raw",e,{name:"AES-CTR"},!1,["decrypt"]),n=async e=>new Uint8Array(await crypto.subtle.decrypt({name:"AES-CTR",counter:a,length:64},s,e));if(!i.subsamples)return n(r);(0,B.vA)(null!==t.defaultCryptByteBlock&&null!==t.defaultSkipByteBlock);let o=tl(i.subsamples,t.defaultCryptByteBlock,t.defaultSkipByteBlock),l=0;for(let e of o)for(let t of e.perSubsample)l+=t.length;let c=new Uint8Array(l),u=0;for(let e of o)for(let t of e.perSubsample)c.set(r.subarray(t.offset,t.offset+t.length),u),u+=t.length;let d=await n(c),h=new Uint8Array(r),m=0;for(let e of o)for(let t of e.perSubsample)h.set(d.subarray(m,m+t.length),t.offset),m+=t.length;return h},to=(e,t,i,r)=>{let a=new e1;a.init({key:e,iv:i.iv});let s=t.defaultCryptByteBlock,n=t.defaultSkipByteBlock;if((0,B.vA)(null!==s&&null!==n),!i.subsamples){let e=new Uint8Array(r),t=Math.floor(r.length/16);for(let i=0;i<t;i++){let t=16*i;a.in.set(r.subarray(t,t+16)),a.decrypt(),e.set(a.out,t)}return e}if(0===s&&0===n)throw Error("cbcs with subsamples requires pattern encryption.");let o=new Uint8Array(r),l=tl(i.subsamples,s,n),c=new DataView(i.iv.buffer,i.iv.byteOffset,16);for(let e of l)for(let t of(a.iv[0]=c.getUint32(0,!1),a.iv[1]=c.getUint32(4,!1),a.iv[2]=c.getUint32(8,!1),a.iv[3]=c.getUint32(12,!1),e.perSubsample)){let e=t.length/16;for(let i=0;i<e;i++){let e=t.offset+16*i;a.in.set(r.subarray(e,e+16)),a.decrypt(),o.set(a.out,e)}}return o},tl=(e,t,i)=>{let r=[],a=0!==t||0!==i,s=0;for(let n of e){s+=n.clearLen;let e=[];

1if(a){let r=n.protectedLen,a=s;for(;r>0&&!(r<16*t);){let s=16*t;e.push({offset:a,length:s}),a+=s;let n=Math.min(16*i,r-=s);a+=n,r-=n}s+=n.protectedLen}else n.protectedLen>0&&e.push({offset:s,length:n.protectedLen}),s+=n.protectedLen;r.push({perSubsample:e})}return r};class tc{constructor(e){this.value=e}}class tu{constructor(e){this.value=e}}class td{constructor(e){this.value=e}}class th{constructor(e){this.value=e}}(l=v||(v={}))[l.EBML=0x1a45dfa3]="EBML",l[l.EBMLVersion=17030]="EBMLVersion",l[l.EBMLReadVersion=17143]="EBMLReadVersion",l[l.EBMLMaxIDLength=17138]="EBMLMaxIDLength",l[l.EBMLMaxSizeLength=17139]="EBMLMaxSizeLength",l[l.DocType=17026]="DocType",l[l.DocTypeVersion=17031]="DocTypeVersion",l[l.DocTypeReadVersion=17029]="DocTypeReadVersion",l[l.Void=236]="Void",l[l.Segment=0x18538067]="Segment",l[l.SeekHead=0x114d9b74]="SeekHead",l[l.Seek=19899]="Seek",l[l.SeekID=21419]="SeekID",l[l.SeekPosition=21420]="SeekPosition",l[l.Duration=17545]="Duration",l[l.Info=0x1549a966]="Info",l[l.TimestampScale=2807729]="TimestampScale",l[l.MuxingApp=19840]="MuxingApp",l[l.WritingApp=22337]="WritingApp",l[l.Tracks=0x1654ae6b]="Tracks",l[l.TrackEntry=174]="TrackEntry",l[l.TrackNumber=215]="TrackNumber",l[l.TrackUID=29637]="TrackUID",l[l.TrackType=131]="TrackType",l[l.FlagEnabled=185]="FlagEnabled",l[l.FlagDefault=136]="FlagDefault",l[l.FlagForced=21930]="FlagForced",l[l.FlagOriginal=21934]="FlagOriginal",l[l.FlagHearingImpaired=21931]="FlagHearingImpaired",l[l.FlagVisualImpaired=21932]="FlagVisualImpaired",l[l.FlagCommentary=21935]="FlagCommentary",l[l.FlagLacing=156]="FlagLacing",l[l.Name=21358]="Name",l[l.Language=2274716]="Language",l[l.LanguageBCP47=2274717]="LanguageBCP47",l[l.CodecID=134]="CodecID",l[l.CodecPrivate=25506]="CodecPrivate",l[l.CodecDelay=22186]="CodecDelay",l[l.SeekPreRoll=22203]="SeekPreRoll",l[l.DefaultDuration=2352003]="DefaultDuration",l[l.Video=224]="Video",l[l.PixelWidth=176]="PixelWidth",l[l.PixelHeight=186]="PixelHeight",l[l.DisplayWidth=21680]="DisplayWidth",l[l.DisplayHeight=21690]="DisplayHeight",l[l.DisplayUnit=21682]="DisplayUnit",l[l.AlphaMode=21440]="AlphaMode",l[l.Audio=225]="Audio",l[l.SamplingFrequency=181]="SamplingFrequency",l[l.Channels=159]="Channels",l[l.BitDepth=25188]="BitDepth",l[l.SimpleBlock=163]="SimpleBlock",l[l.BlockGroup=160]="BlockGroup",l[l.Block=161]="Block",l[l.BlockAdditions=30113]="BlockAdditions",l[l.BlockMore=166]="BlockMore",l[l.BlockAdditional=165]="BlockAdditional",l[l.BlockAddID=238]="BlockAddID",l[l.BlockDuration=155]="BlockDuration",l[l.ReferenceBlock=251]="ReferenceBlock",l[l.Cluster=0x1f43b675]="Cluster",l[l.Timestamp=231]="Timestamp",l[l.Cues=0x1c53bb6b]="Cues",l[l.CuePoint=187]="CuePoint",l[l.CueTime=179]="CueTime",l[l.CueTrackPositions=183]="CueTrackPositions",l[l.CueTrack=247]="CueTrack",l[l.CueClusterPosition=241]="CueClusterPosition",l[l.Colour=21936]="Colour",l[l.MatrixCoefficients=21937]="MatrixCoefficients",l[l.TransferCharacteristics=21946]="TransferCharacteristics",l[l.Primaries=21947]="Primaries",l[l.Range=21945]="Range",l[l.Projection=30320]="Projection",l[l.ProjectionType=30321]="ProjectionType",l[l.ProjectionPoseRoll=30325]="ProjectionPoseRoll",l[l.Attachments=0x1941a469]="Attachments",l[l.AttachedFile=24999]="AttachedFile",l[l.FileDescription=18046]="FileDescription",l[l.FileName=18030]="FileName",l[l.FileMediaType=18016]="FileMediaType",l[l.FileData=18012]="FileData",l[l.FileUID=18094]="FileUID",l[l.Chapters=0x1043a770]="Chapters",l[l.Tags=0x1254c367]="Tags",l[l.Tag=29555]="Tag",l[l.Targets=25536]="Targets",l[l.TargetTypeValue=26826]="TargetTypeValue",l[l.TargetType=25546]="TargetType",l[l.TagTrackUID=25541]="TagTrackUID",l[l.TagEditionUID=25545]="TagEditionUID",l[l.TagChapterUID=25540]="TagChapterUID",l[l.TagAttachmentUID=25542]="TagAttachmentUID",l[l.SimpleTag=26568]="SimpleTag",l[l.TagName=17827]="TagName",l[l.TagLanguage=17530]="TagLanguage",l[l.TagString=17543]="TagString",l[l.TagBinary=17541]="TagBinary",l[l.ContentEncodings=28032]="ContentEncodings",l[l.ContentEncoding=25152]="ContentEncoding",l[l.ContentEncodingOrder=20529]="ContentEncodingOrder",l[l.ContentEncodingScope=20530]="ContentEncodingScope",l[l.ContentCompression=20532]="ContentCompression",l[l.ContentCompAlgo=16980]="ContentCompAlgo",l[l.ContentCompSettings=16981]="ContentCompSettings",l[l.ContentEncryption=20533]="ContentEncryption";let tm=[v.EBML,v.Segment],tf=[v.SeekHead,v.Info,v.Cluster,v.Tracks,v.Cues,v.Attachments,v.Chapters,v.Tags],tp=[...tm,...tf],tg=e=>{if(e<256)return 1;if(e<65536)return 2;if(e<0x1000000)return 3;if(e<0x100000000)return 4;if(e<0x10000000000)return 5;else return 6},tk=e=>{if(e<1n<<8n)return 1;if(e<1n<<16n)return 2;if(e<1n<<24n)return 3;if(e<1n<<32n)return 4;if(e<1n<<40n)return 5;else if(e<1n<<48n)return 6;else if(e<1n<<56n)return 7;else return 8},ty=e=>{if(e>=-64&&e<64)return 1;if(e>=-8192&&e<8192)return 2;if(e>=-1048576&&e<1048576)return 3;if(e>=-0x8000000&&e<0x8000000)return 4;if(e>=-0x400000000&&e<0x400000000)return 5;else return 6},tw=e=>{if(e<127)return 1;if(e<16383)return 2;if(e<2097151)return 3;if(e<0xfffffff)return 4;if(e<0x800000000-1)return 5;else if(e<0x40000000000-1)return 6;else throw Error("EBML varint size not supported "+e)};class tb{constructor(e){this.writer=e,this.helper=new Uint8Array(8),this.helperView=new DataView(this.helper.buffer),this.offsets=new WeakMap,this.dataOffsets=new WeakMap}writeByte(e){this.helperView.setUint8(0,e),this.writer.write(this.helper.subarray(0,1))}writeFloat32(e){this.helperView.setFloat32(0,e,!1),this.writer.write(this.helper.subarray(0,4))}writeFloat64(e){this.helperView.setFloat64(0,e,!1),this.writer.write(this.helper)}writeUnsignedInt(e,t=tg(e)){let i=0;switch(t){case 6:this.helperView.setUint8(i++,e/0x10000000000|0);case 5:this.helperView.setUint8(i++,e/0x100000000|0);case 4:this.helperView.setUint8(i++,e>>24);case 3:this.helperView.setUint8(i++,e>>16);case 2:this.helperView.setUint8(i++,e>>8);case 1:this.helperView.setUint8(i++,e);break;default:throw Error("Bad unsigned int size "+t)}this.writer.write(this.helper.subarray(0,i))}writeUnsignedBigInt(e,t=tk(e)){let i=0;for(let r=t-1;r>=0;r--)this.helperView.setUint8(i++,Number(e>>BigInt(8*r)&255n));this.writer.write(this.helper.subarray(0,i))}writeSignedInt(e,t=ty(e)){e<0&&(e+=2**(8*t)),this.writeUnsignedInt(e,t)}writeVarInt(e,t=tw(e)){let i=0;switch(t){case 1:this.helperView.setUint8(i++,128|e);break;case 2:this.helperView.setUint8(i++,64|e>>8),this.helperView.setUint8(i++,e);break;case 3:this.helperView.setUint8(i++,32|e>>16),this.helperView.setUint8(i++,e>>8),this.helperView.setUint8(i++,e);break;case 4:this.helperView.setUint8(i++,16|e>>24),this.helperView.setUint8(i++,e>>16),this.helperView.setUint8(i++,e>>8),this.helperView.setUint8(i++,e);break;case 5:this.helperView.setUint8(i++,8|e/0x100000000&7),this.helperView.setUint8(i++,e>>24),this.helperView.setUint8(i++,e>>16),this.helperView.setUint8(i++,e>>8),this.helperView.setUint8(i++,e);break;case 6:this.helperView.setUint8(i++,4|e/0x10000000000&3),this.helperView.setUint8(i++,e/0x100000000|0),this.helperView.setUint8(i++,e>>24),this.helperView.setUint8(i++,e>>16),this.helperView.setUint8(i++,e>>8),this.helperView.setUint8(i++,e);break;default:throw Error("Bad EBML varint size "+t)}this.writer.write(this.helper.subarray(0,i))}writeAsciiString(e){this.writer.write(new Uint8Array(e.split("").map(e=>e.charCodeAt(0))))}writeEBML(e){if(null!==e)if(e instanceof Uint8Array)this.writer.write(e);else if(Array.isArray(e))for(let t of e)this.writeEBML(t);else if(this.offsets.set(e,this.writer.getPos()),this.writeUnsignedInt(e.id),Array.isArray(e.data)){let t=this.writer.getPos(),i=-1===e.size?1:e.size??4;-1===e.size?this.writeByte(255):this.writer.seek(this.writer.getPos()+i);let r=this.writer.getPos();if(this.dataOffsets.set(e,r),this.writeEBML(e.data),-1!==e.size){let e=this.writer.getPos()-r,a=this.writer.getPos();this.writer.seek(t),this.writeVarInt(e,i),this.writer.seek(a)}}else if("number"==typeof e.data){let t=e.size??tg(e.data);this.writeVarInt(t),this.writeUnsignedInt(e.data,t)}else if("bigint"==typeof e.data){let t=e.size??tk(e.data);this.writeVarInt(t),this.writeUnsignedBigInt(e.data,t)}else if("string"==typeof e.data)this.writeVarInt(e.data.length),this.writeAsciiString(e.data);else if(e.data instanceof Uint8Array)this.writeVarInt(e.data.byteLength,e.size),this.writer.write(e.data);else if(e.data instanceof tc)this.writeVarInt(4),this.writeFloat32(e.data.value);else if(e.data instanceof tu)this.writeVarInt(8),this.writeFloat64(e.data.value);else if(e.data instanceof td){let t=e.size??ty(e.data.value);this.writeVarInt(t),this.writeSignedInt(e.data.value,t)}else if(e.data instanceof th){let t=B.UG.encode(e.data.value);this.writeVarInt(t.length),this.writer.write(t)}else(0,B.xb)(e.data)}}let tT=e=>{if(e.remainingLength<1)return null;let t=an(e);if(e.skip(-1),0===t)return null;let i=1,r=128;for(;(t&r)==0;)i++,r>>=1;return e.remainingLength<i?null:i},tS=e=>{if(e.remainingLength<1)return null;let t=an(e);if(0===t)return null;let i=1,r=128;for(;(t&r)==0;)i++,r>>=1;if(e.remainingLength<i-1)return null;let a=t&r-1;for(let t=1;t<i;t++)a*=256,a+=an(e);return a},tv=(e,t)=>

1{if(t<1||t>8)throw Error("Bad unsigned int size "+t);let i=0;for(let r=0;r<t;r++)i*=256,i+=an(e);return i},tP=e=>{let t=tT(e);return null===t||e.remainingLength<t?null:tv(e,t)},t_=e=>{if(e.remainingLength<1)return null;if(255===an(e))return;e.skip(-1);let t=tS(e);return null===t?null:0x100000000000000!==t?t:void 0},tI=e=>{(0,B.vA)(e.remainingLength>=2);let t=tP(e);if(null===t)return null;let i=t_(e);return null===i?null:{id:t,size:i}},tC=(e,t)=>{let i=as(e,t),r=0;for(;r<t&&0!==i[r];)r+=1;return String.fromCharCode(...i.subarray(0,r))},tx=(e,t)=>{let i=as(e,t),r=0;for(;r<t&&0!==i[r];)r+=1;return B.su.decode(i.subarray(0,r))},tA=(e,t)=>{if(0===t)return 0;if(4!==t&&8!==t)throw Error("Bad float size "+t);return 4===t?aw(e):ab(e)},tE=async(e,t,i,r)=>{let a=new Set(i),s=t;for(;null===r||s<r;){let t=e.requestSliceRange(s,2,16);if(t instanceof Promise&&(t=await t),!t)break;let i=tI(t);if(!i)break;if(a.has(i.id))return{pos:s,found:!0};tM(i.size),s=t.filePos+i.size}return{pos:null!==r&&r>s?r:s,found:!1}},tB=async(e,t,i,r)=>{let a=new Set(i),s=t;for(;s<r;){let t=e.requestSliceRange(s,0,Math.min(65536,r-s));if(t instanceof Promise&&(t=await t),!t||t.length<8)break;for(let e=0;e<t.length-8;e++){t.filePos=s;let e=tP(t);if(null!==e&&a.has(e))return s;s++}}return null},tF={avc:"V_MPEG4/ISO/AVC",hevc:"V_MPEGH/ISO/HEVC",vp8:"V_VP8",vp9:"V_VP9",av1:"V_AV1",prores:"V_PRORES",aac:"A_AAC",mp3:"A_MPEG/L3",opus:"A_OPUS",vorbis:"A_VORBIS",flac:"A_FLAC",ac3:"A_AC3",eac3:"A_EAC3","pcm-u8":"A_PCM/INT/LIT","pcm-s16":"A_PCM/INT/LIT","pcm-s16be":"A_PCM/INT/BIG","pcm-s24":"A_PCM/INT/LIT","pcm-s24be":"A_PCM/INT/BIG","pcm-s32":"A_PCM/INT/LIT","pcm-s32be":"A_PCM/INT/BIG","pcm-f32":"A_PCM/FLOAT/IEEE","pcm-f64":"A_PCM/FLOAT/IEEE",webvtt:"S_TEXT/WEBVTT"};function tM(e){if(void 0===e)throw Error("Undefined element size is used in a place where it is not supported.")}let tR=e=>{let t=(e.hasVideo?"video/":e.hasAudio?"audio/":"application/")+(e.isWebM?"webm":"x-matroska");if(e.codecStrings.length>0){let i=[...new Set(e.codecStrings.filter(Boolean))];t+=`; codecs="${i.join(", ")}"`}return t};(c=P||(P={}))[c.None=0]="None",c[c.Xiph=1]="Xiph",c[c.FixedSize=2]="FixedSize",c[c.Ebml=3]="Ebml",(u=_||(_={}))[u.Block=1]="Block",u[u.Private=2]="Private",u[u.Next=4]="Next",(d=I||(I={}))[d.Zlib=0]="Zlib",d[d.Bzlib=1]="Bzlib",d[d.lzo1x=2]="lzo1x",d[d.HeaderStripping=3]="HeaderStripping";let tD=[{id:v.SeekHead,flag:"seekHeadSeen"},{id:v.Info,flag:"infoSeen"},{id:v.Tracks,flag:"tracksSeen"},{id:v.Cues,flag:"cuesSeen"}];class tU extends ez{constructor(e){super(e),this.readMetadataPromise=null,this.segments=[],this.currentSegment=null,this.currentTrack=null,this.currentCluster=null,this.currentBlock=null,this.currentBlockAdditional=null,this.currentCueTime=null,this.currentDecodingInstruction=null,this.currentTagTargetIsMovie=!0,this.currentSimpleTagName=null,this.currentAttachedFile=null,this.isWebM=!1,this.reader=e._reader}async getTrackBackings(){return await this.readMetadata(),this.segments.flatMap(e=>e.tracks.map(e=>e.trackBacking))}async getMimeType(){await this.readMetadata();let e=await this.getTrackBackings(),t=await Promise.all(e.map(e=>e.getDecoderConfig().then(e=>e?.codec??null)));return tR({isWebM:this.isWebM,hasVideo:this.segments.some(e=>e.tracks.some(e=>e.info?.type==="video")),hasAudio:this.segments.some(e=>e.tracks.some(e=>e.info?.type==="audio")),codecStrings:t.filter(Boolean)})}async getMetadataTags(){for(let e of(await this.readMetadata(),this.segments))e.metadataTagsCollected||(null!==this.reader.fileSize&&await this.loadSegmentMetadata(e),e.metadataTagsCollected=!0);let e={};for(let t of this.segments)e={...e,...t.metadataTags};return e}readMetadata(){return this.readMetadataPromise??=(async()=>{let e=0;for(;;){let t=this.reader.requestSliceRange(e,2,16);if(t instanceof Promise&&(t=await t),!t)break;let i=tI(t);if(!i)break;let r=i.id,a=i.size,s=t.filePos;if(r===v.EBML){tM(a);let e=this.reader.requestSlice(s,a);if(e instanceof Promise&&(e=await e),!e)break;this.readContiguousElements(e)}else if(r===v.Segment){if(await this.readSegment(s,a),void 0===a||null===this.reader.fileSize)break}else if(r===v.Cluster){if(null===this.reader.fileSize)break;void 0===a&&(a=(await tE(this.reader,s,tp,this.reader.fileSize)).pos-s);let e=(0,B._g)(this.segments);e&&(e.elementEndPos=s+a)}tM(a),e=s+a}})()}async readSegment(e,t){this.currentSegment={seekHeadSeen:!1,infoSeen:!1,tracksSeen:!1,cuesSeen:!1,tagsSeen:!1,attachmentsSeen:!1,timestampScale:-1,timestampFactor:-1,duration:-1,seekEntries:[],tracks:[],cuePoints:[],dataStartPos:e,elementEndPos:void 0===t?null:e+t,clusterSeekStartPos:e,lastReadCluster:null,metadataTags:{},metadataTagsCollected:!1},this.segments.push(this.currentSegment);let i=e;for(;null===this.currentSegment.elementEndPos||i<this.currentSegment.elementEndPos;){let e=this.reader.requestSliceRange(i,2,16);if(e instanceof Promise&&(e=await e),!e)break;let t=i,r=tI(e);if(!r||!tf.includes(r.id)&&r.id!==v.Void){let e=await tB(this.reader,t,tf,Math.min(this.currentSegment.elementEndPos??1/0,t+0xa00000));if(e){i=e;continue}break}let{id:a,size:s}=r,n=e.filePos,o=tD.findIndex(e=>e.id===a);if(-1!==o){let e=tD[o].flag;this.currentSegment[e]=!0,tM(s);let t=this.reader.requestSlice(n,s);t instanceof Promise&&(t=await t),t&&this.readContiguousElements(t)}else if(a===v.Tags||a===v.Attachments){a===v.Tags?this.currentSegment.tagsSeen=!0:this.currentSegment.attachmentsSeen=!0,tM(s);let e=this.reader.requestSlice(n,s);e instanceof Promise&&(e=await e),e&&this.readContiguousElements(e)}else if(a===v.Cluster){this.currentSegment.clusterSeekStartPos=t;break}if(void 0===s)break;i=n+s}if(this.currentSegment.seekEntries.sort((e,t)=>

1e.segmentPosition-t.segmentPosition),null!==this.reader.fileSize)for(let t of this.currentSegment.seekEntries){let i=tD.find(e=>e.id===t.id);if(!i||this.currentSegment[i.flag])continue;let r=this.reader.requestSliceRange(e+t.segmentPosition,2,16);if(r instanceof Promise&&(r=await r),!r)continue;let a=tI(r);if(!a)continue;let{id:s,size:n}=a;if(s!==i.id)continue;tM(n),this.currentSegment[i.flag]=!0;let o=this.reader.requestSlice(r.filePos,n);o instanceof Promise&&(o=await o),o&&this.readContiguousElements(o)}for(let e of(-1===this.currentSegment.timestampScale&&(this.currentSegment.timestampScale=1e6,this.currentSegment.timestampFactor=1e3),this.currentSegment.tracks))null!==e.defaultDurationNs&&(e.defaultDuration=this.currentSegment.timestampFactor*e.defaultDurationNs/1e9);let r=new Map(this.currentSegment.tracks.map(e=>[e.id,e]));for(let e of this.currentSegment.cuePoints){let t=r.get(e.trackId);t&&t.cuePoints.push(e)}for(let e of this.currentSegment.tracks){e.cuePoints.sort((e,t)=>e.time-t.time);for(let t=0;t<e.cuePoints.length-1;t++){let i=e.cuePoints[t],r=e.cuePoints[t+1];i.time===r.time&&(e.cuePoints.splice(t+1,1),t--)}}let a=null,s=-1/0;for(let e of this.currentSegment.tracks)e.cuePoints.length>s&&(s=e.cuePoints.length,a=e);for(let e of this.currentSegment.tracks)0===e.cuePoints.length&&(e.cuePoints=a.cuePoints);this.currentSegment=null}async readCluster(e,t){if(t.lastReadCluster?.elementStartPos===e)return t.lastReadCluster;let i=this.reader.requestSliceRange(e,2,16);i instanceof Promise&&(i=await i),(0,B.vA)(i);let r=tI(i);(0,B.vA)(r);let a=r.id;(0,B.vA)(a===v.Cluster);let s=r.size,n=i.filePos;void 0===s&&(s=(await tE(this.reader,n,tp,t.elementEndPos)).pos-n);let o=this.reader.requestSlice(n,s);o instanceof Promise&&(o=await o);let l={segment:t,elementStartPos:e,elementEndPos:n+s,dataStartPos:n,timestamp:-1,trackData:new Map};for(let[,t]of(this.currentCluster=l,o&&(l.elementEndPos=this.readContiguousElements(o,tp)),l.trackData)){let i=t.track;(0,B.vA)(t.blocks.length>0);let r=!1;for(let e=0;e<t.blocks.length;e++){let i=t.blocks[e];i.timestamp+=l.timestamp,r||=i.lacing!==P.None}t.presentationTimestamps=t.blocks.map((e,t)=>({timestamp:e.timestamp,blockIndex:t})).sort((e,t)=>e.timestamp-t.timestamp);for(let e=0;e<t.presentationTimestamps.length;e++){let r=t.presentationTimestamps[e],a=t.blocks[r.blockIndex];null===t.firstKeyFrameTimestamp&&a.isKeyFrame&&(t.firstKeyFrameTimestamp=a.timestamp),e<t.presentationTimestamps.length-1?a.duration=t.presentationTimestamps[e+1].timestamp-a.timestamp:0===a.duration&&null!=i.defaultDuration&&a.lacing===P.None&&(a.duration=i.defaultDuration)}r&&(this.expandLacedBlocks(t.blocks,i),t.presentationTimestamps=t.blocks.map((e,t)=>({timestamp:e.timestamp,blockIndex:t})).sort((e,t)=>e.timestamp-t.timestamp));let a=t.blocks[t.presentationTimestamps[0].blockIndex],s=t.blocks[(0,B._g)(t.presentationTimestamps).blockIndex];t.startTimestamp=a.timestamp,t.endTimestamp=s.timestamp+s.duration;let n=(0,B.eE)(i.clusterPositionCache,t.startTimestamp,e=>e.startTimestamp);(-1===n||i.clusterPositionCache[n].elementStartPos!==e)&&i.clusterPositionCache.splice(n+1,0,{elementStartPos:l.elementStartPos,startTimestamp:t.startTimestamp})}return t.lastReadCluster=l,l}getTrackDataInCluster(e,t){let i=e.trackData.get(t);if(!i){let r=e.segment.tracks.find(e=>e.id===t);if(!r)return null;i={track:r,startTimestamp:0,endTimestamp:0,firstKeyFrameTimestamp:null,blocks:[],presentationTimestamps:[]},e.trackData.set(t,i)}return i}expandLacedBlocks(e,t){for(let i=0;i<e.length;i++){let r=e[i];if(r.lacing===P.None)continue;r.decoded||(r.data=this.decodeBlockData(t,r.data),r.decoded=!0);let a=ar.tempFromBytes(r.data),s=[],n=an(a)+1;switch(r.lacing){case P.Xiph:{let e=0;for(let t=0;t<n-1;t++){let t=0;for(;a.bufferPos<a.length;){let i=an(a);if(t+=i,i<255){s.push(t),e+=t;break}}}s.push(a.length-(a.bufferPos+e))}break;case P.FixedSize:{let e=Math.floor((a.length-1)/n);for(let t=0;t<n;t++)s.push(e)}break;case P.Ebml:{let e=tS(a);(0,B.vA)(null!==e);let t=e;s.push(t);let i=t;for(let e=1;e<n-1;e++){let e=a.bufferPos,r=tS(a);(0,B.vA)(null!==r),t+=r-((1<<7*(a.bufferPos-e)-1)-1),s.push(t),i+=t}s.push(a.length-(a.bufferPos+i))}break;default:(0,B.vA)(!1)}(0,B.vA)(s.length===n),e.splice(i,1);let o=r.duration||n*(t.defaultDuration??0);for(let t=0;t<n;t++){let l=as(a,s[t]),c=r.timestamp+o*t/n,u=o/n;e.splice(i+t,0,{timestamp:c,duration:u,isKeyFrame:r.isKeyFrame,data:l,lacing:P.None,decoded:!0,postProcessed:!1,mainAdditional:r.mainAdditional})}i+=n,i--}}async loadSegmentMetadata(e){for(let t of e.seekEntries){if((t.id!==v.Tags||e.tagsSeen)&&(t.id!==v.Attachments||e.attachmentsSeen))continue;let i=this.reader.requestSliceRange(e.dataStartPos+t.segmentPosition,2,16);if(i instanceof Promise&&(i=await i),!i)continue;let r=tI(i);if(!r||r.id!==t.id)continue;let{size:a}=r;tM(a),(0,B.vA)(!this.currentSegment),this.currentSegment=e;let s=this.reader.requestSlice(i.filePos,a);s instanceof Promise&&(s=await s),s&&this.readContiguousElements(s),this.currentSegment=null,t.id===v.Tags?e.tagsSeen=!0:t.id===v.Attachments&&(e.attachmentsSeen=!0)}}readContiguousElements(e,t){for(;e.remainingLength>=2;){let i=e.filePos;if(!this.traverseElement(e,t))return i}return e.filePos}traverseElement(e,t){let i=tI(e);if(!i||t&&t.includes(i.id))return!1;let{id:r,size:a}=i,s=e.filePos;switch(tM(a),r){case v.DocType:this.isWebM="webm"===tC(e,a);break;case v.Seek:{if(!this.currentSegment)break;let t={id:-1,segmentPosition:-1};this.currentSegment.seekEntries.push(t),this.readContiguousElements(e.slice(s,a)),(-1===t.id||-1===t.segmentPosition)&&this.currentSegment.seekEntries.pop()}break;case v.SeekID:{let t=this.currentSegment?.seekEntries[this.currentSegment.seekEntries.length-1];if(!t)break;t.id=tv(e,a)}break;case v.SeekPosition:{let t=this.currentSegment?.seekEntries[this.currentSegment.seekEntries.length-1];if(!t)break;t.segmentPosition=tv(e,a)}break;case v.TimestampScale:if(!this.currentSegment)break;this.currentSegment.timestampScale=tv(e,a),this.currentSegment.timestampFactor=1e9/this.currentSegment.timestampScale;break;case v.Duration:if(!this.currentSegment)break;this.currentSegment.duration=tA(e,a);break;case v.TrackEntry:if(!this.currentSegment||(this.currentTrack={id:-1,segment:this.currentSegment,demuxer:this,clusterPositionCache:[],cuePoints:[],disposition:{...U,primary:!1},trackBacking:null,codecId:null,codecPrivate:null,defaultDuration:null,defaultDurationNs:null,name:null,languageCode:"eng",hasLanguageBcp47:!1,decodingInstructions:[],info:null},this.readContiguousElements(e.slice(s,a)),!this.currentTrack))break;if(this.currentTrack.decodingInstructions.some(e=>e.data?.type!=="decompress"||e.scope!==_.Block||e.data.algorithm!==I.HeaderStripping)&&(E.y._warn(`Track #${this.currentTrack.id} has an unsupported content encoding; dropping.`),this.currentTrack=null),this.currentTrack&&-1!==this.currentTrack.id&&this.currentTrack.codecId&&this.currentTrack.info){let e=this.currentTrack.codecId.indexOf("/"),t=-1===e?this.currentTrack.codecId:this.currentTrack.codecId.slice(0,e);if("video"===this.currentTrack.info.type&&-1!==this.currentTrack.info.width&&-1!==this.currentTrack.info.height){if(this.currentTrack.info.squarePixelWidth=this.currentTrack.info.width,this.currentTrack.info.squarePixelHeight=this.currentTrack.info.height,null!==this.currentTrack.info.displayWidth&&null!==this.currentTrack.info.displayHeight){let e=this.currentTrack.info.displayWidth*this.currentTrack.info.height,t=this.currentTrack.info.displayHeight*this.currentTrack.info.width;e>0&&t>0&&(e>t?this.currentTrack.info.squarePixelWidth=Math.round(this.currentTrack.info.width*e/t):this.currentTrack.info.squarePixelHeight=Math.round(this.currentTrack.info.height*t/e))}if(this.currentTrack.codecId===tF.avc)this.currentTrack.info.codec="avc",this.currentTrack.info.codecDescription=this.currentTrack.codecPr

1ivate;else if(this.currentTrack.codecId===tF.hevc)this.currentTrack.info.codec="hevc",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate;else if(t===tF.vp8)this.currentTrack.info.codec="vp8";else if(t===tF.vp9)this.currentTrack.info.codec="vp9";else if(t===tF.av1)this.currentTrack.info.codec="av1";else if(t===tF.prores){let e=this.currentTrack.codecPrivate?B.su.decode(this.currentTrack.codecPrivate):"";O.Y2.includes(e)&&(this.currentTrack.info.codec="prores",this.currentTrack.info.proresFormat=e)}let e=this.currentTrack;this.currentTrack.trackBacking=new tO(e),this.currentSegment.tracks.push(this.currentTrack)}else if("audio"===this.currentTrack.info.type){t===tF.aac?(this.currentTrack.info.codec="aac",this.currentTrack.info.aacCodecInfo={isMpeg2:this.currentTrack.codecId.includes("MPEG2"),objectType:null},this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):this.currentTrack.codecId===tF.mp3?this.currentTrack.info.codec="mp3":t===tF.opus?(this.currentTrack.info.codec="opus",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate,this.currentTrack.info.sampleRate=O.yo):t===tF.vorbis?(this.currentTrack.info.codec="vorbis",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):t===tF.flac?(this.currentTrack.info.codec="flac",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):t===tF.ac3?(this.currentTrack.info.codec="ac3",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):t===tF.eac3?(this.currentTrack.info.codec="eac3",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):"A_PCM/INT/LIT"===this.currentTrack.codecId?8===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-u8":16===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s16":24===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s24":32===this.currentTrack.info.bitDepth&&(this.currentTrack.info.codec="pcm-s32"):"A_PCM/INT/BIG"===this.currentTrack.codecId?8===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-u8":16===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s16be":24===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s24be":32===this.currentTrack.info.bitDepth&&(this.currentTrack.info.codec="pcm-s32be"):"A_PCM/FLOAT/IEEE"===this.currentTrack.codecId&&(32===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-f32":64===this.currentTrack.info.bitDepth&&(this.currentTrack.info.codec="pcm-f64"));let e=this.currentTrack;this.currentTrack.trackBacking=new tL(e),this.currentSegment.tracks.push(this.currentTrack)}}this.currentTrack=null;break;case v.TrackNumber:if(!this.currentTrack)break;this.currentTrack.id=tv(e,a);break;case v.TrackType:{if(!this.currentTrack)break;let t=tv(e,a);1===t?this.currentTrack.info={type:"video",width:-1,height:-1,displayWidth:null,displayHeight:null,displayUnit:null,squarePixelWidth:-1,squarePixelHeight:-1,rotation:0,codec:null,codecDescription:null,colorSpace:null,alphaMode:!1,proresFormat:null}:2===t&&(this.currentTrack.info={type:"audio",numberOfChannels:1,sampleRate:8e3,bitDepth:-1,codec:null,codecDescription:null,aacCodecInfo:null})}break;case v.FlagEnabled:if(!this.currentTrack)break;tv(e,a)||(this.currentTrack=null);break;case v.FlagDefault:if(!this.currentTrack)break;this.currentTrack.disposition.default=!!tv(e,a);break;case v.FlagForced:if(!this.currentTrack)break;this.currentTrack.disposition.forced=!!tv(e,a);break;case v.FlagOriginal:if(!this.currentTrack)break;this.currentTrack.disposition.original=!!tv(e,a);break;case v.FlagHearingImpaired:if(!this.currentTrack)break;this.currentTrack.disposition.hearingImpaired=!!tv(e,a);break;case v.FlagVisualImpaired:if(!this.currentTrack)break;this.currentTrack.disposition.visuallyImpaired=!!tv(e,a);break;case v.FlagCommentary:if(!this.currentTrack)break;this.currentTrack.disposition.commentary=!!tv(e,a);break;case v.CodecID:if(!this.currentTrack)break;this.currentTrack.codecId=tC(e,a);break;case v.CodecPrivate:if(!this.currentTrack)break;

1this.currentTrack.codecPrivate=as(e,a);break;case v.DefaultDuration:if(!this.currentTrack)break;this.currentTrack.defaultDurationNs=tv(e,a);break;case v.Name:if(!this.currentTrack)break;this.currentTrack.name=tx(e,a);break;case v.Language:if(!this.currentTrack||this.currentTrack.hasLanguageBcp47)break;this.currentTrack.languageCode=tC(e,a),(0,B.Nu)(this.currentTrack.languageCode)||(this.currentTrack.languageCode=B.IR);break;case v.LanguageBCP47:{if(!this.currentTrack)break;let t=tC(e,a).split("-")[0];t?this.currentTrack.languageCode=t:this.currentTrack.languageCode=B.IR,this.currentTrack.hasLanguageBcp47=!0}break;case v.Video:if(this.currentTrack?.info?.type!=="video")break;this.readContiguousElements(e.slice(s,a));break;case v.PixelWidth:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.width=tv(e,a);break;case v.PixelHeight:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.height=tv(e,a);break;case v.DisplayWidth:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.displayWidth=tv(e,a);break;case v.DisplayHeight:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.displayHeight=tv(e,a);break;case v.DisplayUnit:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.displayUnit=tv(e,a);break;case v.AlphaMode:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.alphaMode=1===tv(e,a);break;case v.Colour:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.colorSpace={},this.readContiguousElements(e.slice(s,a));break;case v.MatrixCoefficients:{if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;let t=tv(e,a),i=B.fl[t]??null;this.currentTrack.info.colorSpace.matrix=i}break;case v.Range:if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;this.currentTrack.info.colorSpace.fullRange=2===tv(e,a);break;case v.TransferCharacteristics:{if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;let t=tv(e,a),i=B.x_[t]??null;this.currentTrack.info.colorSpace.transfer=i}break;case v.Primaries:{if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;let t=tv(e,a),i=B.BL[t]??null;this.currentTrack.info.colorSpace.primaries=i}break;case v.Projection:if(this.currentTrack?.info?.type!=="video")break;this.readContiguousElements(e.slice(s,a));break;case v.ProjectionPoseRoll:{if(this.currentTrack?.info?.type!=="video")break;let t=tA(e,a);try{this.currentTrack.info.rotation=(0,B.qT)(-t)}catch{}}break;case v.Audio:if(this.currentTrack?.info?.type!=="audio")break;this.readContiguousElements(e.slice(s,a));break;case v.SamplingFrequency:if(this.currentTrack?.info?.type!=="audio")break;this.currentTrack.info.sampleRate=tA(e,a);break;case v.Channels:if(this.currentTrack?.info?.type!=="audio")break;this.currentTrack.info.numberOfChannels=tv(e,a);break;case v.BitDepth:if(this.currentTrack?.info?.type!=="audio")break;this.currentTrack.info.bitDepth=tv(e,a);break;case v.CuePoint:if(!this.currentSegment)break;this.readContiguousElements(e.slice(s,a)),this.currentCueTime=null;break;case v.CueTime:this.currentCueTime=tv(e,a);break;case v.CueTrackPositions:{if(null===this.currentCueTime)break;(0,B.vA)(this.currentSegment);let t={time:this.currentCueTime,trackId:-1,clusterPosition:-1};this.currentSegment.cuePoints.push(t),this.readContiguousElements(e.slice(s,a)),(-1===t.trackId||-1===t.clusterPosition)&&this.currentSegment.cuePoints.pop()}break;case v.CueTrack:{let t=this.currentSegment?.cuePoints[this.currentSegment.cuePoints.length-1];if(!t)break;t.trackId=tv(e,a)}break;case v.CueClusterPosition:{let t=this.currentSegment?.cuePoints[this.currentSegment.cuePoints.length-1];if(!t)break;(0,B.vA)(this.currentSegment),t.clusterPosition=this.currentSegment.dataStartPos+tv(e,a)}break;case v.Timestamp:if(!this.currentCluster)break;this.currentCluster.timestamp=tv(e,a);break;case v.SimpleBlock:{if(!this.currentCluster)break;let t=tS(e);if(null===t)break;let i=this.getTrackDataInCluster(this.currentCluster,t);if(!i)break;let r=au(e),n=an(e),o=!!(128&n);i.track.info?.type==="audio"&&i.track.info.codec&&(o=!0);let l=as(e,a-(e.filePos-s)),c=i.track.decodingInstructions.length>0;i.blocks.push({timestamp:r,duration:0,isKeyFrame:o,data:l,lacing:n>>1&3,decoded:!c,postProcessed:!1,mainAdditional:null})}break;case v.BlockGroup:if(!this.currentCluster)break;this.readContiguousElements(e.slice(s,a)),this.currentBlock=null;break;case v.Block:{if(!this.currentCluster)break;let t=tS(e);if(null===t)break;let i=this.getTrackDataInCluster(this.currentCluster,t);if(!i)break;let r=au(e),n=an(e),o=as(e,a-(e.filePos-s)),l=i.track.decodingInstructions.length>0;this.currentBlock={timestamp:r,duration:0,isKeyFrame:!0,data:o,lacing:n>>1&3,decoded:!l,postProcessed:!1,mainAdditional:null},i.blocks.push(this.currentBlock)}break;case v.BlockAdditions:this.readContiguousElements(e.slice(s,a));break;case v.BlockMore:if(!this.currentBlock)break;this.currentBlockAdditional={addId:1,data:null},this.readContiguousElements(e.slice(s,a)),this.currentBlockAdditional.data&&1===this.currentBlockAdditional.addId&&(this.currentBlock.mainAdditional=this.currentBlockAdditional.data),this.currentBlockAdditional=null;break;case v.BlockAdditional:if(!this.currentBlockAdditional)break;this.currentBlockAdditional.data=as(e,a);break;case v.BlockAddID:if(!this.currentBlockAdditional)break;this.currentBlockAdditional.addId=tv(e,a);break;case v.BlockDuration:if(!this.currentBlock)break;this.currentBlock.duration=tv(e,a);break;case v.ReferenceBlock:if(!this.currentBlock)break;this.currentBlock.isKeyFrame=!1;break;case v.Tag:this.currentTagTargetIsMovie=!0,this.readContiguousElements(e.slice(s,a));break;case v.Targets:this.readContiguousElements(e.slice(s,a));break;case v.TargetTypeValue:50!==tv(e,a)&&(this.currentTagTargetIsMovie=!1);break;case v.TagTrackUID:case v.TagEditionUID:case v.TagChapterUID:case v.TagAttachmentUID:this.currentTagTargetIsMovie=!1;break;case v.SimpleTag:if(!this.currentTagTargetIsMovie)break;this.currentSimpleTagName=null,this.readContiguousElements(e.slice(s,a));break;case v.TagName:this.currentSimpleTagName=tx(e,a);break;case v.TagString:{if(!this.currentSimpleTagName)break;let t=tx(e,a);this.processTagValue(this.currentSimpleTagName,t)}break;case v.TagBinary:{if(!this.currentSimpleTagName)break;let t=as(e,a);this.processTagValue(this.currentSimpleTagName,t)}break;case v.AttachedFile:{if(!this.currentSegment)break;this.currentAttachedFile={fileUid:null,fileName:null,fileMediaType:null,fileData:null,fileDescription:null},this.readContiguousElements(e.slice(s,a));let t=this.currentSegment.metadataTags;if(this.currentAttachedFile.fileUid&&this.currentAttachedFile.fileData&&(t.raw??={},t.raw[this.currentAttachedFile.fileUid.toString()]=new M(this.currentAttachedFile.fileData,this.currentAttachedFile.fileMediaType??void 0,this.currentAttachedFile.fileName??void 0,this.currentAttachedFile.fileDescription??void 0)),this.currentAttachedFile.fileMediaType?.startsWith("image/")&&this.currentAttachedFile.fileData){let e=this.currentAttachedFile.fileName,i="unknown";if(e){let t=e.toLowerCase();

1t.startsWith("cover.")?i="coverFront":t.startsWith("back.")&&(i="coverBack")}t.images??=[],t.images.push({data:this.currentAttachedFile.fileData,mimeType:this.currentAttachedFile.fileMediaType,kind:i,name:this.currentAttachedFile.fileName??void 0,description:this.currentAttachedFile.fileDescription??void 0})}this.currentAttachedFile=null}break;case v.FileUID:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileUid=((e,t)=>{if(t<1)throw Error("Bad unsigned int size "+t);let i=0n;for(let r=0;r<t;r++)i<<=8n,i+=BigInt(an(e));return i})(e,a);break;case v.FileName:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileName=tx(e,a);break;case v.FileMediaType:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileMediaType=tC(e,a);break;case v.FileData:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileData=as(e,a);break;case v.FileDescription:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileDescription=tx(e,a);break;case v.ContentEncodings:if(!this.currentTrack)break;this.readContiguousElements(e.slice(s,a)),this.currentTrack.decodingInstructions.sort((e,t)=>t.order-e.order);break;case v.ContentEncoding:this.currentDecodingInstruction={order:0,scope:_.Block,data:null},this.readContiguousElements(e.slice(s,a)),this.currentDecodingInstruction.data&&this.currentTrack.decodingInstructions.push(this.currentDecodingInstruction),this.currentDecodingInstruction=null;break;case v.ContentEncodingOrder:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.order=tv(e,a);break;case v.ContentEncodingScope:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.scope=tv(e,a);break;case v.ContentCompression:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.data={type:"decompress",algorithm:I.Zlib,settings:null},this.readContiguousElements(e.slice(s,a));break;case v.ContentCompAlgo:if(this.currentDecodingInstruction?.data?.type!=="decompress")break;this.currentDecodingInstruction.data.algorithm=tv(e,a);break;case v.ContentCompSettings:if(this.currentDecodingInstruction?.data?.type!=="decompress")break;this.currentDecodingInstruction.data.settings=as(e,a);break;case v.ContentEncryption:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.data={type:"decrypt"}}return e.filePos=s+a,!0}decodeBlockData(e,t){(0,B.vA)(e.decodingInstructions.length>0);let i=t;for(let t of e.decodingInstructions)if((0,B.vA)(t.data),"decompress"===t.data.type&&t.data.algorithm===I.HeaderStripping&&t.data.settings&&t.data.settings.length>0){let e=t.data.settings,r=new Uint8Array(e.length+i.length);r.set(e,0),r.set(i,e.length),i=r}return i}processTagValue(e,t){if(!this.currentSegment?.metadataTags)return;let i=this.currentSegment.metadataTags;if(i.raw??={},i.raw[e]??=t,"string"==typeof t)switch(e.toLowerCase()){case"title":i.title??=t;break;case"description":i.description??=t;break;case"artist":i.artist??=t;break;case"album":i.album??=t;break;case"album_artist":i.albumArtist??=t;break;case"genre":i.genre??=t;break;case"comment":i.comment??=t;break;case"lyrics":i.lyrics??=t;break;case"date":{let e=new Date(t);Number.isNaN(e.getTime())||(i.date??=e)}break;case"track_number":case"part_number":{let e=t.split("/"),r=Number.parseInt(e[0],10),a=e[1]&&Number.parseInt(e[1],10);Number.isInteger(r)&&r>0&&(i.trackNumber??=r),a&&Number.isInteger(a)&&a>0&&(i.tracksTotal??=a)}break;case"disc_number":case"disc":{let e=t.split("/"),r=Number.parseInt(e[0],10),a=e[1]&&Number.parseInt(e[1],10);Number.isInteger(r)&&r>0&&(i.discNumber??=r),a&&Number.isInteger(a)&&a>0&&(i.discsTotal??=a)}}}}class tz{constructor(e){this.internalTrack=e,this.packetToClusterLocation=new WeakMap}getId(){return this.internalTrack.id}getNumber(){let e=this.internalTrack.demuxer,t=this.internalTrack.trackBacking.getType(),i=0;for(let r of e.segments)for(let e of r.tracks)if(e.trackBacking.getType()===t&&i++,e===this.internalTrack)break;return i}getCodec(){throw Error("Not implemented on base class.")}getInternalCodecId(){return this.internalTrack.codecId}getName(){return this.internalTrack.name}getLanguageCode(){return this.internalTrack.languageCode}getTimeResolution(){return this.internalTrack.segment.timestampFactor}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getDisposition(){return this.internalTrack.disposition}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){let e=this.internalTrack.segment;if(e.duration<=0)return null;let t=e.duration/e.timestampFactor,i=await this.getFirstPacket({metadataOnly:!0});return t+(i?.timestamp??0)}

1async getLiveRefreshInterval(){return null}async getFirstPacket(e){return this.performClusterLookup(null,e=>e.trackData.get(this.internalTrack.id)?{blockIndex:0,correctBlockFound:!0}:{blockIndex:-1,correctBlockFound:!1},-1/0,1/0,e)}intoTimescale(e){return(0,B.aI)(e*this.internalTrack.segment.timestampFactor)}async getPacket(e,t){let i=this.intoTimescale(e);return this.performClusterLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{blockIndex:-1,correctBlockFound:!1};let r=(0,B.eE)(t.presentationTimestamps,i,e=>e.timestamp);return{blockIndex:-1!==r?t.presentationTimestamps[r].blockIndex:-1,correctBlockFound:-1!==r&&i<t.endTimestamp}},i,i,t)}async getNextPacket(e,t){let i=this.packetToClusterLocation.get(e);if(void 0===i)throw Error("Packet was not created from this track.");return this.performClusterLookup(i.cluster,e=>{if(e===i.cluster){let t=e.trackData.get(this.internalTrack.id);if(i.blockIndex+1<t.blocks.length)return{blockIndex:i.blockIndex+1,correctBlockFound:!0}}else if(e.trackData.get(this.internalTrack.id))return{blockIndex:0,correctBlockFound:!0};return{blockIndex:-1,correctBlockFound:!1}},-1/0,1/0,t)}async getKeyPacket(e,t){let i=this.intoTimescale(e);return this.performClusterLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{blockIndex:-1,correctBlockFound:!1};let r=(0,B.Kl)(t.presentationTimestamps,e=>t.blocks[e.blockIndex].isKeyFrame&&e.timestamp<=i);return{blockIndex:-1!==r?t.presentationTimestamps[r].blockIndex:-1,correctBlockFound:-1!==r&&i<t.endTimestamp}},i,i,t)}async getNextKeyPacket(e,t){let i=this.packetToClusterLocation.get(e);if(void 0===i)throw Error("Packet was not created from this track.");return this.performClusterLookup(i.cluster,e=>{if(e===i.cluster){let t=e.trackData.get(this.internalTrack.id).blocks.findIndex((e,t)=>e.isKeyFrame&&t>i.blockIndex);if(-1!==t)return{blockIndex:t,correctBlockFound:!0}}else{let t=e.trackData.get(this.internalTrack.id);if(t&&null!==t.firstKeyFrameTimestamp){let e=t.blocks.findIndex(e=>e.isKeyFrame);return(0,B.vA)(-1!==e),{blockIndex:e,correctBlockFound:!0}}}return{blockIndex:-1,correctBlockFound:!1}},-1/0,1/0,t)}async fetchPacketInCluster(e,t,i){if(-1===t)return null;let r=e.trackData.get(this.internalTrack.id).blocks[t];if((0,B.vA)(r),r.decoded||(r.data=this.internalTrack.demuxer.decodeBlockData(this.internalTrack,r.data),r.decoded=!0),!r.postProcessed){if(this.internalTrack.info?.codec==="prores"&&!(r.data.length>=8&&105===r.data[4]&&99===r.data[5]&&112===r.data[6]&&102===r.data[7])){let e=new Uint8Array(r.data.length+8);(0,B.Zc)(e).setUint32(0,e.length,!1),e[4]=105,e[5]=99,e[6]=112,e[7]=102,e.set(r.data,8),r.data=e}r.postProcessed=!0}let a=i.metadataOnly?eO.T:r.data,s=r.timestamp/this.internalTrack.segment.timestampFactor,n=r.duration/this.internalTrack.segment.timestampFactor,o={};r.mainAdditional&&this.internalTrack.info?.type==="video"&&this.internalTrack.info.alphaMode&&(o.alpha=i.metadataOnly?eO.T:r.mainAdditional,o.alphaByteLength=r.mainAdditional.byteLength);let l=new eO.Z(a,r.isKeyFrame?"key":"delta",s,n,e.dataStartPos+t,r.data.byteLength,o);return this.packetToClusterLocation.set(l,{cluster:e,blockIndex:t}),l}async performClusterLookup(e,t,i,r,a){let s,{demuxer:n,segment:o}=this.internalTrack,l=null,c=null,u=-1;if(e){let{blockIndex:i,correctBlockFound:r}=t(e);if(r)return this.fetchPacketInCluster(e,i,a);-1!==i&&(c=e,u=i)}let d=(0,B.eE)(this.internalTrack.cuePoints,i,e=>e.time),h=-1!==d?this.internalTrack.cuePoints[d]:null,m=(0,B.eE)(this.internalTrack.clusterPositionCache,i,e=>e.startTimestamp),f=-1!==m?this.internalTrack.clusterPositionCache[m]:null,p=Math.max(h?.clusterPosition??0,f?.elementStartPos??0)||null;for(e?null===p||e.elementStartPos>=p?(s=e.elementEndPos,l=e):s=p:s=p??o.clusterSeekStartPos;null===o.elementEndPos||s<=o.elementEndPos-2;){if(l){let e=l.trackData.get(this.internalTrack.id);if(e&&e.startTimestamp>r)break}let e=n.reader.requestSliceRange(s,2,16);if(e instanceof Promise&&(e=await e),!e)break;let i=s,d=tI(e);if(!d||!tf.includes(d.id)&&d.id!==v.Void){let e=await tB(n.reader,i,tf,Math.min(o.elementEndPos??1/0,i+0xa00000));if(e){s=e;continue}break}let h=d.id,m=d.size,f=e.filePos;if(h===v.Cluster){m=(l=await n.readCluster(i,o)).elementEndPos-f;let{blockIndex:e,correctBlockFound:r}=t(l);if(r)return this.fetchPacketInCluster(l,e,a);-1!==e&&(c=l,u=e)}void 0===m&&((0,B.vA)(h!==v.Cluster),m=(await tE(n.reader,f,tp,o.elementEndPos)).pos-f);let p=f+m;if(null===o.elementEndPos){let e=n.reader.requestSliceRange(p,2,16);if(e instanceof Promise&&(e=await e),!e)break;

1if(tP(e)===v.Segment){o.elementEndPos=p;break}}s=p}if(h&&(!c||c.elementStartPos<h.clusterPosition)){let e=this.internalTrack.cuePoints[d-1];(0,B.vA)(!e||e.time<h.time);let i=e?.time??-1/0;return this.performClusterLookup(null,t,i,r,a)}return c?this.fetchPacketInCluster(c,u,a):null}}class tO extends tz{constructor(e){super(e),this.decoderConfigPromise=null,this.internalTrack=e}getType(){return"video"}getCodec(){return this.internalTrack.info.codec}getCodedWidth(){return this.internalTrack.info.width}getCodedHeight(){return this.internalTrack.info.height}getSquarePixelWidth(){return this.internalTrack.info.squarePixelWidth}getSquarePixelHeight(){return this.internalTrack.info.squarePixelHeight}getRotation(){return this.internalTrack.info.rotation}async getColorSpace(){return{primaries:this.internalTrack.info.colorSpace?.primaries,transfer:this.internalTrack.info.colorSpace?.transfer,matrix:this.internalTrack.info.colorSpace?.matrix,fullRange:this.internalTrack.info.colorSpace?.fullRange}}async canBeTransparent(){return this.internalTrack.info.alphaMode||"prores"===this.internalTrack.info.codec&&("ap4h"===this.internalTrack.info.proresFormat||"ap4x"===this.internalTrack.info.proresFormat)}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfigPromise??=(async()=>{let e=null;"vp9"!==this.internalTrack.info.codec&&"av1"!==this.internalTrack.info.codec&&("avc"!==this.internalTrack.info.codec||this.internalTrack.info.codecDescription)&&("hevc"!==this.internalTrack.info.codec||this.internalTrack.info.codecDescription)||(e=await this.getFirstPacket({}));let t={codec:(0,O.QP)({width:this.internalTrack.info.width,height:this.internalTrack.info.height,codec:this.internalTrack.info.codec,codecDescription:this.internalTrack.info.codecDescription,colorSpace:this.internalTrack.info.colorSpace,avcType:1,avcCodecInfo:"avc"===this.internalTrack.info.codec&&e?er(e.data):null,hevcCodecInfo:"hevc"===this.internalTrack.info.codec&&e?ed(e.data):null,vp9CodecInfo:"vp9"===this.internalTrack.info.codec&&e?ew(e.data):null,av1CodecInfo:"av1"===this.internalTrack.info.codec&&e?eT(e.data):null,proresFormat:this.internalTrack.info.proresFormat}),codedWidth:this.internalTrack.info.width,codedHeight:this.internalTrack.info.height,description:this.internalTrack.info.codecDescription??void 0,colorSpace:this.internalTrack.info.colorSpace??void 0};return(this.internalTrack.info.width!==this.internalTrack.info.squarePixelWidth||this.internalTrack.info.height!==this.internalTrack.info.squarePixelHeight)&&(t.displayAspectWidth=this.internalTrack.info.squarePixelWidth,t.displayAspectHeight=this.internalTrack.info.squarePixelHeight),t})():null}}class tL extends tz{constructor(e){super(e),this.decoderConfig=null,this.internalTrack=e}getType(){return"audio"}getCodec(){return this.internalTrack.info.codec}getNumberOfChannels(){return this.internalTrack.info.numberOfChannels}getSampleRate(){return this.internalTrack.info.sampleRate}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfig??={codec:(0,O.X0)({codec:this.internalTrack.info.codec,codecDescription:this.internalTrack.info.codecDescription,aacCodecInfo:this.internalTrack.info.aacCodecInfo}),numberOfChannels:this.internalTrack.info.numberOfChannels,sampleRate:this.internalTrack.info.sampleRate,description:this.internalTrack.info.codecDescription??void 0}:null}}let tN=async(e,t,i,r=null)=>{let a=t;for(;null===i||a<i;){let t=null!==i?Math.min(65536,i-a):65536,s=e.requestSliceRange(a,4,t);if(s instanceof Promise&&(s=await s),!s||s.length<4)break;for(;s.remainingLength>=4;){let t=s.filePos,i=q(ah(s),null!==e.fileSize?e.fileSize-a:null);if(i.header&&(!r||i.header.sampleRate===r.sampleRate&&i.header.mpegVersionId===r.mpegVersionId&&i.header.layer===r.layer&&K(i.header.channel)===K(r.channel)))return{header:i.header,startPos:a};s.filePos=t+i.bytesAdvanced,a=s.filePos}}return null};class tW extends ez{constructor(e){super(e),this.metadataPromise=null,this.firstFrameHeader=null,this.firstFrameHeaderPos=null,this.xingFrameHeader=null,this.xingFrameHeaderPos=null,this.loadedSamples=[],this.metadataTags=null,this.xingData=null,this.trackBackings=[],this.readingMutex=new B.aD,this.lastSampleLoaded=!1,this.lastLoadedPos=0,this.nextTimestampInSamples=0,this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{for(;!this.firstFrameHeader&&!this.lastSampleLoaded;)await this.advanceReader();if(!this.firstFrameHeader&&this.xingFrameHeader&&(this.firstFrameHeader=this.xingFrameHeader,this.firstFrameHeaderPos=this.xingFrameHeaderPos),!this.firstFrameHeader)throw Error("No valid MP3 frame found.");this.trackBackings=[new tV(this)]})()}

1async advanceReader(){if(0===this.lastLoadedPos)for(;;){let e=this.reader.requestSlice(this.lastLoadedPos,aP);if(e instanceof Promise&&(e=await e),!e){this.lastSampleLoaded=!0;return}let t=ax(e);if(!t)break;this.lastLoadedPos=e.filePos+t.size}let e=await tN(this.reader,this.lastLoadedPos,this.reader.fileSize,this.firstFrameHeader);if(!e){this.lastSampleLoaded=!0;return}let t=e.header;this.lastLoadedPos=e.startPos+t.totalSize-1;let i=V(t.mpegVersionId,t.channel),r=this.reader.requestSlice(e.startPos+i,4);if(r instanceof Promise&&(r=await r),r){let a=ah(r);if(0x58696e67===a||0x496e666f===a){if(this.xingFrameHeader||(this.xingFrameHeader=t,this.xingFrameHeaderPos=e.startPos),!this.xingData){let t=this.reader.requestSlice(e.startPos+i+4,12);if(t instanceof Promise&&(t=await t),t){let e=as(t,12),i=(0,B.Zc)(e),r=i.getUint32(0,!1);this.xingData={frameCount:r&y.FrameCount?i.getUint32(4,!1):null,fileSize:r&y.FileSize?i.getUint32(8,!1):null}}}return}}this.firstFrameHeader||(this.firstFrameHeader=t,this.firstFrameHeaderPos=e.startPos);let a=t.audioSamplesInFrame/this.firstFrameHeader.sampleRate,s={timestamp:this.nextTimestampInSamples/this.firstFrameHeader.sampleRate,duration:a,dataStart:e.startPos,dataSize:t.totalSize};this.loadedSamples.push(s),this.nextTimestampInSamples+=t.audioSamplesInFrame}async getMimeType(){return"audio/mpeg"}async getTrackBackings(){return await this.readMetadata(),this.trackBackings}async getMetadataTags(){let e=await this.readingMutex.acquire();try{if(await this.readMetadata(),this.metadataTags)return this.metadataTags;this.metadataTags={};let e=0,t=!1;for(;;){let i=this.reader.requestSlice(e,aP);if(i instanceof Promise&&(i=await i),!i)break;let r=ax(i);if(!r)break;t=!0;let a=this.reader.requestSlice(i.filePos,r.size);if(a instanceof Promise&&(a=await a),!a)break;aA(a,r,this.metadataTags),e=i.filePos+r.size}if(!t&&null!==this.reader.fileSize&&this.reader.fileSize>=av){let e=this.reader.requestSlice(this.reader.fileSize-av,av);e instanceof Promise&&(e=await e),(0,B.vA)(e);let t=aT(e,3);"TAG"===t&&aI(e,this.metadataTags)}return this.metadataTags}finally{e()}}}class tV{constructor(e){this.demuxer=e}getType(){return"audio"}getId(){return 1}getNumber(){return 1}getTimeResolution(){return(0,B.vA)(this.demuxer.firstFrameHeader),this.demuxer.firstFrameHeader.sampleRate/this.demuxer.firstFrameHeader.audioSamplesInFrame}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){let e=this.demuxer;if((0,B.vA)(null!==e.firstFrameHeader),(0,B.vA)(null!==e.firstFrameHeaderPos),e.xingData){if(null!==e.xingData.frameCount)return e.xingData.frameCount*e.firstFrameHeader.audioSamplesInFrame/e.firstFrameHeader.sampleRate}else if(null!==e.reader.fileSize){var t,i,r,a;let s=(t=e.firstFrameHeader.lowSamplingFrequency,i=e.firstFrameHeader.layer,r=e.firstFrameHeader.bitrate,a=e.firstFrameHeader.sampleRate,0===i?0:1===i?144*r/(a<<t):2===i?144*r/a:12*r/a*4);return Math.round((e.reader.fileSize-e.firstFrameHeaderPos)/s)*e.firstFrameHeader.audioSamplesInFrame/e.firstFrameHeader.sampleRate}return null}

1async getLiveRefreshInterval(){return null}getName(){return null}getLanguageCode(){return B.IR}getCodec(){return"mp3"}getInternalCodecId(){return null}getNumberOfChannels(){return(0,B.vA)(this.demuxer.firstFrameHeader),K(this.demuxer.firstFrameHeader.channel)}getSampleRate(){return(0,B.vA)(this.demuxer.firstFrameHeader),this.demuxer.firstFrameHeader.sampleRate}getDisposition(){return{...U}}async getDecoderConfig(){return(0,B.vA)(this.demuxer.firstFrameHeader),{codec:"mp3",numberOfChannels:K(this.demuxer.firstFrameHeader.channel),sampleRate:this.demuxer.firstFrameHeader.sampleRate}}async getPacketAtIndex(e,t){let i;if(-1===e)return null;let r=this.demuxer.loadedSamples[e];if(!r)return null;if(t.metadataOnly)i=eO.T;else{let e=this.demuxer.reader.requestSlice(r.dataStart,r.dataSize);if(e instanceof Promise&&(e=await e),!e)return null;i=as(e,r.dataSize)}return new eO.Z(i,"key",r.timestamp,r.duration,e,r.dataSize)}getFirstPacket(e){return this.getPacketAtIndex(0,e)}async getNextPacket(e,t){let i=await this.demuxer.readingMutex.acquire();try{let i=(0,B.pl)(this.demuxer.loadedSamples,e.timestamp,e=>e.timestamp);if(-1===i)throw Error("Packet was not created from this track.");let r=i+1;for(;r>=this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(r,t)}finally{i()}}async getPacket(e,t){let i=await this.demuxer.readingMutex.acquire();try{for(;;){let i=(0,B.eE)(this.demuxer.loadedSamples,e,e=>e.timestamp);if(-1===i&&this.demuxer.loadedSamples.length>0)return null;if(this.demuxer.lastSampleLoaded||i>=0&&i+1<this.demuxer.loadedSamples.length)return this.getPacketAtIndex(i,t);await this.demuxer.advanceReader()}}finally{i()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}let tq=new Uint32Array(256);for(let e=0;e<256;e++){let t=e<<24;for(let e=0;e<8;e++)t=0x80000000&t?t<<1^0x4c11db7:t<<1;tq[e]=t>>>0}let tH=e=>{let t=(0,B.Zc)(e),i=t.getUint32(22,!0);t.setUint32(22,0,!0);let r=0;for(let t=0;t<e.length;t++)r=(r<<8^tq[r>>>24^e[t]])>>>0;return t.setUint32(22,i,!0),r},tK=(e,t,i)=>{let r=0,a=null;if(e.length>0){if("vorbis"===t.codec){(0,B.vA)(t.vorbisInfo);let s=t.vorbisInfo.modeBlockflags.length,n=(1<<(0,B.al)(s-1))-1<<1,o=(e[0]&n)>>1;if(o>=t.vorbisInfo.modeBlockflags.length)throw Error("Invalid mode number.");let l=i,c=t.vorbisInfo.modeBlockflags[o];if(a=t.vorbisInfo.blocksizes[c],1===c){let i=e[0]&(1|n)+1?1:0;l=t.vorbisInfo.blocksizes[i]}r=null!==l?l+a>>2:0}else if("opus"===t.codec){let t,i,a;r=(i=e[0]>>3,t=0==(a=3&e[0])?1:1===a||2===a?2:63&e[1],{durationInSamples:ev[i]*t}).durationInSamples}}return{durationInSamples:r,vorbisBlockSize:a}},t$=e=>{let t="audio/ogg";if(e.codecStrings){let i=[...new Set(e.codecStrings)];t+=`; codecs="${i.join(", ")}"`}return t},tj=e=>{let t=e.filePos;if(0x5367674f!==am(e))return null;e.skip(1);let i=an(e),r=ay(e),a=am(e),s=am(e),n=am(e),o=an(e),l=new Uint8Array(o);for(let t=0;t<o;t++)l[t]=an(e);let c=27+o,u=l.reduce((e,t)=>e+t,0);return{headerStartPos:t,totalSize:c+u,dataStartPos:t+c,dataSize:u,headerType:i,granulePosition:r,serialNumber:a,sequenceNumber:s,checksum:n,lacingValues:l}},tQ=(e,t)=>{for(;e.filePos<t-3;){let t=am(e),i=255&t,r=t>>>8&255,a=t>>>16&255,s=t>>>24&255;if(79===i||79===r||79===a||79===s){if(e.skip(-4),0x5367674f===t)return!0;e.skip(1)}}return!1};class tX extends ez{constructor(e){super(e),this.metadataPromise=null,this.bitstreams=[],this.trackBackings=[],this.metadataTags={},this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{let e=0;for(;;){let t=this.reader.requestSliceRange(e,27,282);if(t instanceof Promise&&(t=await t),!t)break;let i=tj(t);if(!i||!(2&i.headerType))break;this.bitstreams.push({serialNumber:i.serialNumber,bosPage:i,description:null,numberOfChannels:-1,sampleRate:-1,codecInfo:{codec:null,vorbisInfo:null,opusInfo:null},lastMetadataPacket:null}),e=i.headerStartPos+i.totalSize}for(let e of this.bitstreams){let t=await this.readPacket(e.bosPage,0);t&&(t.data.byteLength>=7&&1===t.data[0]&&118===t.data[1]&&111===t.data[2]&&114===t.data[3]&&98===t.data[4]&&105===t.data[5]&&115===t.data[6]?await this.readVorbisMetadata(t,e):t.data.byteLength>=8&&79===t.data[0]&&112===t.data[1]&&117===t.data[2]&&115===t.data[3]&&72===t.data[4]&&101===t.data[5]&&97===t.data[6]&&100===t.data[7]&&await this.readOpusMetadata(t,e),null!==e.codecInfo.codec&&this.trackBackings.push(new tG(e,this)))}})()}async readVorbisMetadata(e,t){let i=await this.findNextPacketStart(e);if(!i)return;let r=await this.readPacket(i.startPage,i.startSegmentIndex);if(!r||!(i=await this.findNextPacketStart(r)))return;let a=await this.readPacket(i.startPage,i.startSegmentIndex);if(!a||3!==r.data[0]||5!==a.data[0])return;let s=[],n=e=>{for(;s.push(Math.min(255,e)),!(e<255);)e-=255};n(e.data.length),n(r.data.length);let o=new Uint8Array(1+s.length+e.data.length+r.data.length+a.data.length);o[0]=2,o.set(s,1),o.set(e.data,1+s.length),o.set(r.data,1+s.length+e.data.length),o.set(a.data,1+s.length+e.data.length+r.data.length),t.codecInfo.codec="vorbis",t.description=o,t.lastMetadataPacket=a;let l=(0,B.Zc)(e.data);t.numberOfChannels=l.getUint8(11),t.sampleRate=l.getUint32(12,!0);let c=l.getUint8(28);t.codecInfo.vorbisInfo={blocksizes:[1<<(15&c),1<<(c>>4)],modeBlockflags:eP(a.data).modeBlockflags},eI(r.data.subarray(7),this.metadataTags)}async readOpusMetadata(e,t){let i=await this.findNextPacketStart(e);if(!i)return;let r=await this.readPacket(i.startPage,i.startSegmentIndex);if(!r)return;t.codecInfo.codec="opus",t.description=e.data,t.lastMetadataPacket=r;let a=eS(e.data);t.numberOfChannels=a.outputChannelCount,t.sampleRate=O.yo,t.codecInfo.opusInfo={preSkip:a.preSkip},eI(r.data.subarray(8),this.metadataTags)}async readPacket(e,t){(0,B.vA)(t<e.lacingValues.length);let i=0;for(let r=0;r<t;r++)i+=e.lacingValues[r];let r=e,a=i,s=t,n=[];t:for(;;){let t=this.reader.requestSlice(r.dataStartPos,r.dataSize);t instanceof Promise&&(t=await t),(0,B.vA)(t);let o=as(t,r.dataSize);for(;;){if(s===r.lacingValues.length){n.push(o.subarray(i,a));break}let e=r.lacingValues[s];if(a+=e,e<255){n.push(o.subarray(i,a));break t}s++}let l=r.headerStartPos+r.totalSize;

1for(;;){let t=this.reader.requestSliceRange(l,27,282);if(t instanceof Promise&&(t=await t),!t)return null;let i=tj(t);if(!i)return null;if((r=i).serialNumber===e.serialNumber)break;l=r.headerStartPos+r.totalSize}i=0,a=0,s=0}let o=n.reduce((e,t)=>e+t.length,0);if(0===o)return null;let l=new Uint8Array(o),c=0;for(let e=0;e<n.length;e++){let t=n[e];l.set(t,c),c+=t.length}return{data:l,endPage:r,endSegmentIndex:s}}async findNextPacketStart(e){if(e.endSegmentIndex<e.endPage.lacingValues.length-1)return{startPage:e.endPage,startSegmentIndex:e.endSegmentIndex+1};if(4&e.endPage.headerType)return null;let t=e.endPage.headerStartPos+e.endPage.totalSize;for(;;){let i=this.reader.requestSliceRange(t,27,282);if(i instanceof Promise&&(i=await i),!i)return null;let r=tj(i);if(!r)return null;if(r.serialNumber===e.endPage.serialNumber)return{startPage:r,startSegmentIndex:0};t=r.headerStartPos+r.totalSize}}async getMimeType(){return await this.readMetadata(),t$({codecStrings:(await Promise.all(this.trackBackings.map(e=>e.getDecoderConfig().then(e=>e?.codec??null)))).filter(Boolean)})}async getTrackBackings(){return await this.readMetadata(),this.trackBackings}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}}class tG{constructor(e,t){this.bitstream=e,this.demuxer=t,this.encodedPacketToMetadata=new WeakMap,this.sequentialScanCache=[],this.sequentialScanMutex=new B.aD,this.internalSampleRate="opus"===e.codecInfo.codec?O.yo:e.sampleRate}getType(){return"audio"}getId(){return this.bitstream.serialNumber}getNumber(){let e=this.demuxer.trackBackings.findIndex(e=>e.bitstream===this.bitstream);return(0,B.vA)(-1!==e),e+1}getNumberOfChannels(){return this.bitstream.numberOfChannels}getSampleRate(){return this.bitstream.sampleRate}getTimeResolution(){return this.bitstream.sampleRate}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){return null}

1async getLiveRefreshInterval(){return null}getCodec(){return this.bitstream.codecInfo.codec}getInternalCodecId(){return null}async getDecoderConfig(){return(0,B.vA)(this.bitstream.codecInfo.codec),{codec:this.bitstream.codecInfo.codec,numberOfChannels:this.bitstream.numberOfChannels,sampleRate:this.bitstream.sampleRate,description:this.bitstream.description??void 0}}getName(){return null}getLanguageCode(){return B.IR}getDisposition(){return{...U,primary:!1}}granulePositionToTimestampInSamples(e){return"opus"===this.bitstream.codecInfo.codec?((0,B.vA)(this.bitstream.codecInfo.opusInfo),e-this.bitstream.codecInfo.opusInfo.preSkip):e}createEncodedPacketFromOggPacket(e,t,i){if(!e)return null;let{durationInSamples:r,vorbisBlockSize:a}=tK(e.data,this.bitstream.codecInfo,t.vorbisLastBlocksize),s=new eO.Z(i.metadataOnly?eO.T:e.data,"key",Math.max(0,t.timestampInSamples)/this.internalSampleRate,r/this.internalSampleRate,e.endPage.headerStartPos+e.endSegmentIndex,e.data.byteLength);return this.encodedPacketToMetadata.set(s,{packet:e,timestampInSamples:t.timestampInSamples,durationInSamples:r,vorbisLastBlockSize:t.vorbisLastBlocksize,vorbisBlockSize:a}),s}async getFirstPacket(e){(0,B.vA)(this.bitstream.lastMetadataPacket);let t=await this.demuxer.findNextPacketStart(this.bitstream.lastMetadataPacket);if(!t)return null;let i=0;"opus"===this.bitstream.codecInfo.codec&&((0,B.vA)(this.bitstream.codecInfo.opusInfo),i-=this.bitstream.codecInfo.opusInfo.preSkip);let r=await this.demuxer.readPacket(t.startPage,t.startSegmentIndex);return this.createEncodedPacketFromOggPacket(r,{timestampInSamples:i,vorbisLastBlocksize:null},e)}async getNextPacket(e,t){let i=this.encodedPacketToMetadata.get(e);if(!i)throw Error("Packet was not created from this track.");let r=await this.demuxer.findNextPacketStart(i.packet);if(!r)return null;let a=i.timestampInSamples+i.durationInSamples,s=await this.demuxer.readPacket(r.startPage,r.startSegmentIndex);return this.createEncodedPacketFromOggPacket(s,{timestampInSamples:a,vorbisLastBlocksize:i.vorbisBlockSize},t)}async getPacket(e,t){let i,r;if(null===this.demuxer.reader.fileSize)return this.getPacketSequential(e,t);let a=(0,B.aI)(e*this.internalSampleRate);if(0===a)return this.getFirstPacket(t);if(a<0)return null;(0,B.vA)(this.bitstream.lastMetadataPacket);let s=await this.demuxer.findNextPacketStart(this.bitstream.lastMetadataPacket);if(!s)return null;let n=s.startPage,o=this.demuxer.reader.fileSize,l=[n];t:for(;n.headerStartPos+n.totalSize<o;){let e=Math.floor((n.headerStartPos+o)/2),t=e;for(;;){let i=Math.min(t+65307,o-27),r=this.demuxer.reader.requestSlice(t,i-t);if(r instanceof Promise&&(r=await r),(0,B.vA)(r),!tQ(r,i)){o=e+27;continue t}let s=this.demuxer.reader.requestSliceRange(r.filePos,27,282);s instanceof Promise&&(s=await s),(0,B.vA)(s);let c=tj(s);(0,B.vA)(c);let u=!1;if(c.serialNumber===this.bitstream.serialNumber)u=!0;else{let e=this.demuxer.reader.requestSlice(c.headerStartPos,c.totalSize);e instanceof Promise&&(e=await e),(0,B.vA)(e),u=tH(as(e,c.totalSize))===c.checksum}if(!u){t=c.headerStartPos+4;continue}if(u&&c.serialNumber!==this.bitstream.serialNumber||-1===c.granulePosition){t=c.headerStartPos+c.totalSize;continue}this.granulePositionToTimestampInSamples(c.granulePosition)>a?o=c.headerStartPos:(n=c,l.push(c));continue t}}let c=s.startPage;for(let e of l){if(e.granulePosition===n.granulePosition)break;(!c||e.headerStartPos>c.headerStartPos)&&(c=e)}let u=c,d=[u];for(;u.serialNumber!==this.bitstream.serialNumber||u.granulePosition!==n.granulePosition;){let e=u.headerStartPos+u.totalSize,t=this.demuxer.reader.requestSliceRange(e,27,282);t instanceof Promise&&(t=await t),(0,B.vA)(t);let i=tj(t);(0,B.vA)(i),(u=i).serialNumber===this.bitstream.serialNumber&&d.push(u)}(0,B.vA)(-1!==u.granulePosition);let h=null,m=u,f=0;if(u.headerStartPos===s.startPage.headerStartPos)i=this.granulePositionToTimestampInSamples(0),r=!0,h=0;else{i=0,r=!1;for(let e=u.lacingValues.length-1;e>=0;e--)if(u.lacingValues[e]<255){h=e+1;break}if(null===h)throw Error("Invalid page with granule position: no packets end on this page.");f=h-1;let e={data:eO.T,endPage:m,endSegmentIndex:f};

1if(await this.demuxer.findNextPacketStart(e)){let e=tZ(d,u,h);(0,B.vA)(e);let t=tY(d,e.page,e.segmentIndex);t&&(u=t.page,h=t.segmentIndex)}else for(;;){let e=tZ(d,u,h);if(!e)break;let t=tY(d,e.page,e.segmentIndex);if(!t)break;if(u=t.page,h=t.segmentIndex,e.page.headerStartPos!==m.headerStartPos){m=e.page,f=e.segmentIndex;break}}}let p=null,g=null;for(;null!==u;){(0,B.vA)(null!==h);let e=await this.demuxer.readPacket(u,h);if(!e)break;if(!(u.headerStartPos===s.startPage.headerStartPos&&h<s.startSegmentIndex)){let s=this.createEncodedPacketFromOggPacket(e,{timestampInSamples:i,vorbisLastBlocksize:g?.vorbisBlockSize??null},t);(0,B.vA)(s);let n=this.encodedPacketToMetadata.get(s);if((0,B.vA)(n),r||e.endPage.headerStartPos!==m.headerStartPos||e.endSegmentIndex!==f?i+=n.durationInSamples:(i=this.granulePositionToTimestampInSamples(u.granulePosition),r=!0,s=this.createEncodedPacketFromOggPacket(e,{timestampInSamples:i-n.durationInSamples,vorbisLastBlocksize:g?.vorbisBlockSize??null},t),(0,B.vA)(s),n=this.encodedPacketToMetadata.get(s),(0,B.vA)(n)),p=s,g=n,r&&(Math.max(i,0)>a||Math.max(n.timestampInSamples,0)===a))break}let n=await this.demuxer.findNextPacketStart(e);if(!n)break;u=n.startPage,h=n.startSegmentIndex}return p}async getPacketSequential(e,t){let i=await this.sequentialScanMutex.acquire();try{let i,r=(0,B.aI)(e*this.internalSampleRate);e=r/this.internalSampleRate;let a=(0,B.eE)(this.sequentialScanCache,r,e=>e.timestampInSamples);if(-1!==a){let e=this.sequentialScanCache[a];i=this.createEncodedPacketFromOggPacket(e.packet,{timestampInSamples:e.timestampInSamples,vorbisLastBlocksize:e.vorbisLastBlockSize},t)}else i=await this.getFirstPacket(t);let s=0;for(;i&&i.timestamp<e;){let r=await this.getNextPacket(i,t);if(!r||r.timestamp>e)break;if(i=r,s++,100===s){s=0;let e=this.encodedPacketToMetadata.get(i);(0,B.vA)(e),this.sequentialScanCache.length>0&&(0,B.vA)((0,B._g)(this.sequentialScanCache).timestampInSamples<=e.timestampInSamples),this.sequentialScanCache.push(e)}}return i}finally{i()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}let tY=(e,t,i)=>{let r=t,a=i;t:for(;;){for(a--;a>=0;a--)if(r.lacingValues[a]<255){a++;break t}if((0,B.vA)(-1===a),!(1&r.headerType)){a=0;break}let t=(0,B.Uk)(e,e=>e.headerStartPos<r.headerStartPos);if(!t)return null;a=(r=t).lacingValues.length}if((0,B.vA)(-1!==a),a===r.lacingValues.length){let t=e[e.indexOf(r)+1];(0,B.vA)(t),r=t,a=0}return{page:r,segmentIndex:a}},tZ=(e,t,i)=>{if(i>0)return{page:t,segmentIndex:i-1};let r=(0,B.Uk)(e,e=>e.headerStartPos<t.headerStartPos);return r?{page:r,segmentIndex:r.lacingValues.length-1}:null};(h=C||(C={}))[h.PCM=1]="PCM",h[h.IEEE_FLOAT=3]="IEEE_FLOAT",h[h.ALAW=6]="ALAW",h[h.MULAW=7]="MULAW",h[h.EXTENSIBLE=65534]="EXTENSIBLE";class tJ extends ez{constructor(e){super(e),this.metadataPromise=null,this.dataStart=-1,this.dataSize=-1,this.audioInfo=null,this.trackBackings=[],this.lastKnownPacketIndex=0,this.metadataTags={},this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{let e=this.reader.requestSlice(0,12);e instanceof Promise&&(e=await e),(0,B.vA)(e);let t=aT(e,4),i="RIFX"!==t,r="RF64"===t,a=ad(e,i),s=r?this.reader.fileSize:Math.min(a+8,this.reader.fileSize??1/0);if("WAVE"!==aT(e,4))throw Error("Invalid WAVE file - wrong format");let n=0,o=null,l=e.filePos;for(;null===s||l<s;){let e=this.reader.requestSlice(l,8);if(e instanceof Promise&&(e=await e),!e)break;let t=aT(e,4),a=ad(e,i),c=e.filePos;if(r&&0===n&&"ds64"!==t)throw Error('Invalid RF64 file: First chunk must be "ds64".');if("fmt "===t)await this.parseFmtChunk(c,a,i);else if("data"===t){if(o??=a,this.dataStart=e.filePos,this.dataSize=Math.min(o,(s??1/0)-this.dataStart),null===this.reader.fileSize)break}else if("ds64"===t){let e=this.reader.requestSlice(c,a);if(e instanceof Promise&&(e=await e),!e)break;let t=ap(e,i);o=ap(e,i),s=Math.min(t+8,this.reader.fileSize??1/0)}else"LIST"===t?await this.parseListChunk(c,a,i):("ID3 "===t||"id3 "===t)&&await this.parseId3Chunk(c,a);l=c+a+(1&a),n++}if(!this.audioInfo)throw Error('Invalid WAVE file - missing "fmt " chunk');if(-1===this.dataStart)throw Error('Invalid WAVE file - missing "data" chunk');let c=this.audioInfo.blockSizeInBytes;this.dataSize=Math.floor(this.dataSize/c)*c,this.trackBackings.push(new t0(this))})()}async parseFmtChunk(e,t,i){let r,a=this.reader.requestSlice(e,t);if(a instanceof Promise&&(a=await a),!a)return;let s=ao(a,i),n=ao(a,i),o=ad(a,i);a.skip(4);let l=ao(a,i);if((r=14===t?8:ao(a,i),t>=18&&357!==s)&&Math.min(t-18,ao(a,i))>=22&&s===C.EXTENSIBLE){a.skip(6);let e=as(a,16);s=e[0]|e[1]<<8}if((s===C.MULAW||s===C.ALAW)&&(r=8),s!==C.PCM&&s!==C.IEEE_FLOAT&&s!==C.ALAW&&s!==C.MULAW)throw Error(`Unsupported WAVE codec (format tag ${s}). Only integer/float PCM, A-law, and Î¼-law are supported.`);if(s===C.PCM&&![8,16,24,32].includes(r))throw Error(`Unsupported WAVE PCM bit depth (${r}). Only 8, 16, 24, and 32 bits are supported.`);if(s===C.IEEE_FLOAT&&![32,64].includes(r))throw Error(`Unsupported WAVE float bit depth (${r}). Only 32 and 64 bits are supported.`);this.audioInfo={format:s,numberOfChannels:n,sampleRate:o,sampleSizeInBytes:Math.ceil(r/8),blockSizeInBytes:l}}async parseListChunk(e,t,i){let r=this.reader.requestSlice(e,t);if(r instanceof Promise&&(r=await r),!r)return;let a=aT(r,4);if("INFO"!==a&&"INF0"!==a)return;let s=r.filePos;for(;s<=e+t-8;){r.filePos=s;let e=aT(r,4),t=ad(r,i),a=as(r,t),n=0;for(let e=0;e<a.length&&0!==a[e];e++)n++;let o=String.fromCharCode(...a.subarray(0,n));switch(this.metadataTags.raw??={},this.metadataTags.raw[e]=o,e){case"INAM":case"TITL":this.metadataTags.title??=o;break;case"TIT3":this.metadataTags.description??=o;break;case"IART":this.metadataTags.artist??=o;break;case"IPRD":this.metadataTags.album??=o;break;case"IPRT":case"ITRK":case"TRCK":{let e=o.split("/"),t=Number.parseInt(e[0],10),i=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(this.metadataTags.trackNumber??=t),i&&Number.isInteger(i)&&i>0&&(this.metadataTags.tracksTotal??=i)}break;case"ICRD":case"IDIT":{let e=new Date(o);Number.isNaN(e.getTime())||(this.metadataTags.date??=e)}break;case"YEAR":{let e=Number.parseInt(o,10);Number.isInteger(e)&&e>

10&&(this.metadataTags.date??=new Date(e,0,1))}break;case"IGNR":case"GENR":this.metadataTags.genre??=o;break;case"ICMT":case"CMNT":case"COMM":this.metadataTags.comment??=o}s+=8+t+(1&t)}}async parseId3Chunk(e,t){let i=this.reader.requestSlice(e,t);if(i instanceof Promise&&(i=await i),!i)return;let r=ax(i);if(r){let a=t-aP;r.size=Math.min(r.size,a),r.size>0&&aA(i.slice(e+aP,r.size),r,this.metadataTags)}}getCodec(){if((0,B.vA)(this.audioInfo),this.audioInfo.format===C.MULAW)return"ulaw";if(this.audioInfo.format===C.ALAW)return"alaw";if(this.audioInfo.format===C.PCM){if(1===this.audioInfo.sampleSizeInBytes)return"pcm-u8";else if(2===this.audioInfo.sampleSizeInBytes)return"pcm-s16";else if(3===this.audioInfo.sampleSizeInBytes)return"pcm-s24";else if(4===this.audioInfo.sampleSizeInBytes)return"pcm-s32"}if(this.audioInfo.format===C.IEEE_FLOAT){if(4===this.audioInfo.sampleSizeInBytes)return"pcm-f32";else if(8===this.audioInfo.sampleSizeInBytes)return"pcm-f64"}(0,B.vA)(!1)}async getMimeType(){return"audio/wav"}async getTrackBackings(){return await this.readMetadata(),this.trackBackings}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}}class t0{constructor(e){this.demuxer=e}getType(){return"audio"}getId(){return 1}getNumber(){return 1}getCodec(){return this.demuxer.getCodec()}getInternalCodecId(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.format}async getDecoderConfig(){let e=this.demuxer.getCodec();return e?((0,B.vA)(this.demuxer.audioInfo),{codec:e,numberOfChannels:this.demuxer.audioInfo.numberOfChannels,sampleRate:this.demuxer.audioInfo.sampleRate}):null}getNumberOfChannels(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.numberOfChannels}getSampleRate(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}getTimeResolution(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){return(0,B.vA)(-1!==this.demuxer.dataSize),this.demuxer.dataSize/this.demuxer.audioInfo.blockSizeInBytes/this.demuxer.audioInfo.sampleRate}

1async getLiveRefreshInterval(){return null}getName(){return null}getLanguageCode(){return B.IR}getDisposition(){return{...U}}async getPacketAtIndex(e,t){let i;(0,B.vA)(e>=0),(0,B.vA)(this.demuxer.audioInfo);let r=2048*e*this.demuxer.audioInfo.blockSizeInBytes;if(r>=this.demuxer.dataSize)return null;let a=Math.min(2048*this.demuxer.audioInfo.blockSizeInBytes,this.demuxer.dataSize-r);if(null===this.demuxer.reader.fileSize){let e=this.demuxer.reader.requestSlice(this.demuxer.dataStart+r,a);if(e instanceof Promise&&(e=await e),!e)return null}if(t.metadataOnly)i=eO.T;else{let e=this.demuxer.reader.requestSlice(this.demuxer.dataStart+r,a);e instanceof Promise&&(e=await e),(0,B.vA)(e),i=as(e,a)}let s=2048*e/this.demuxer.audioInfo.sampleRate,n=a/this.demuxer.audioInfo.blockSizeInBytes/this.demuxer.audioInfo.sampleRate;return this.demuxer.lastKnownPacketIndex=Math.max(e,this.demuxer.lastKnownPacketIndex),new eO.Z(i,"key",s,n,e,a)}getFirstPacket(e){return this.getPacketAtIndex(0,e)}async getPacket(e,t){(0,B.vA)(this.demuxer.audioInfo);let i=Math.floor(Math.min(e*this.demuxer.audioInfo.sampleRate/2048,(this.demuxer.dataSize-1)/(2048*this.demuxer.audioInfo.blockSizeInBytes)));if(i<0)return null;let r=await this.getPacketAtIndex(i,t);if(r)return r;if(0===i)return null;(0,B.vA)(null===this.demuxer.reader.fileSize);let a=await this.getPacketAtIndex(this.demuxer.lastKnownPacketIndex,t);for(;a;){let e=await this.getNextPacket(a,t);if(!e)break;a=e}return a}getNextPacket(e,t){(0,B.vA)(this.demuxer.audioInfo);let i=Math.round(e.timestamp*this.demuxer.audioInfo.sampleRate/2048);return this.getPacketAtIndex(i+1,t)}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}let t1=e=>{let t=e.filePos,i=as(e,9),r=new Q._(i);if(4095!==r.readBits(12)||(r.skipBits(1),0!==r.readBits(2)))return null;let a=r.readBits(1),s=r.readBits(2)+1,n=r.readBits(4);if(15===n)return null;r.skipBits(1);let o=r.readBits(3);if(0===o)throw Error("ADTS frames with channel configuration 0 are not supported.");r.skipBits(1),r.skipBits(1),r.skipBits(1),r.skipBits(1);let l=r.readBits(13);r.skipBits(11);let c=r.readBits(2)+1;if(1!==c)throw Error("ADTS frames with more than one AAC frame are not supported.");let u=null;return 1===a?e.filePos-=2:u=r.readBits(16),{objectType:s,samplingFrequencyIndex:n,channelConfiguration:o,frameLength:l,numberOfAacFrames:c,crcCheck:u,startPos:t}};class t2 extends ez{constructor(e){super(e),this.metadataPromise=null,this.firstFrameHeader=null,this.loadedSamples=[],this.metadataTags=null,this.trackBackings=[],this.readingMutex=new B.aD,this.lastSampleLoaded=!1,this.lastLoadedPos=0,this.nextTimestampInSamples=0,this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{for(;!this.firstFrameHeader&&!this.lastSampleLoaded;)await this.advanceReader();(0,B.vA)(this.firstFrameHeader),this.trackBackings=[new t3(this)]})()}async advanceReader(){if(0===this.lastLoadedPos)for(;;){let e=this.reader.requestSlice(this.lastLoadedPos,aP);if(e instanceof Promise&&(e=await e),!e){this.lastSampleLoaded=!0;return}let t=ax(e);if(!t)break;this.lastLoadedPos=e.filePos+t.size}let e=this.reader.requestSliceRange(this.lastLoadedPos,7,9);if(e instanceof Promise&&(e=await e),!e){this.lastSampleLoaded=!0;return}let t=t1(e);if(!t||null!==this.reader.fileSize&&t.startPos+t.frameLength>this.reader.fileSize){this.lastSampleLoaded=!0;return}this.firstFrameHeader||(this.firstFrameHeader=t);let i=z.Im[t.samplingFrequencyIndex];(0,B.vA)(void 0!==i);let r={timestamp:this.nextTimestampInSamples/i,duration:1024/i,dataStart:t.startPos,dataSize:t.frameLength};this.loadedSamples.push(r),this.nextTimestampInSamples+=1024,this.lastLoadedPos=t.startPos+t.frameLength}async getMimeType(){return"audio/aac"}async getTrackBackings(){return await this.readMetadata(),this.trackBackings}async getMetadataTags(){let e=await this.readingMutex.acquire();try{if(await this.readMetadata(),this.metadataTags)return this.metadataTags;this.metadataTags={};let e=0;for(;;){let t=this.reader.requestSlice(e,aP);if(t instanceof Promise&&(t=await t),!t)break;let i=ax(t);if(!i)break;let r=this.reader.requestSlice(t.filePos,i.size);if(r instanceof Promise&&(r=await r),!r)break;aA(r,i,this.metadataTags),e=t.filePos+i.size}return this.metadataTags}finally{e()}}}class t3{constructor(e){this.demuxer=e}getType(){return"audio"}getId(){return 1}getNumber(){return 1}

1getTimeResolution(){return this.getSampleRate()/1024}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){return null}async getLiveRefreshInterval(){return null}getName(){return null}getLanguageCode(){return B.IR}getCodec(){return"aac"}getInternalCodecId(){return(0,B.vA)(this.demuxer.firstFrameHeader),this.demuxer.firstFrameHeader.objectType}getNumberOfChannels(){(0,B.vA)(this.demuxer.firstFrameHeader);let e=z.Ti[this.demuxer.firstFrameHeader.channelConfiguration];return(0,B.vA)(void 0!==e),e}getSampleRate(){(0,B.vA)(this.demuxer.firstFrameHeader);let e=z.Im[this.demuxer.firstFrameHeader.samplingFrequencyIndex];return(0,B.vA)(void 0!==e),e}getDisposition(){return{...U}}async getDecoderConfig(){return(0,B.vA)(this.demuxer.firstFrameHeader),{codec:`mp4a.40.${this.demuxer.firstFrameHeader.objectType}`,numberOfChannels:this.getNumberOfChannels(),sampleRate:this.getSampleRate()}}async getPacketAtIndex(e,t){let i;if(-1===e)return null;let r=this.demuxer.loadedSamples[e];if(!r)return null;if(t.metadataOnly)i=eO.T;else{let e=this.demuxer.reader.requestSlice(r.dataStart,r.dataSize);if(e instanceof Promise&&(e=await e),!e)return null;i=as(e,r.dataSize)}return new eO.Z(i,"key",r.timestamp,r.duration,e,r.dataSize)}getFirstPacket(e){return this.getPacketAtIndex(0,e)}async getNextPacket(e,t){let i=await this.demuxer.readingMutex.acquire();try{let i=(0,B.pl)(this.demuxer.loadedSamples,e.timestamp,e=>e.timestamp);if(-1===i)throw Error("Packet was not created from this track.");let r=i+1;for(;r>=this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(r,t)}finally{i()}}async getPacket(e,t){let i=await this.demuxer.readingMutex.acquire();try{for(;;){let i=(0,B.eE)(this.demuxer.loadedSamples,e,e=>e.timestamp);if(-1===i&&this.demuxer.loadedSamples.length>0)return null;if(this.demuxer.lastSampleLoaded||i>=0&&i+1<this.demuxer.loadedSamples.length)return this.getPacketAtIndex(i,t);await this.demuxer.advanceReader()}}finally{i()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}let t8=e=>{if(0===e)return null;if(1===e)return 192;if(e>=2&&e<=5)return 144*2**e;if(6===e)return"uncommon-u8";if(7===e)return"uncommon-u16";else if(e>=8&&e<=15)return 2**e;else return null},t4=e=>{let t=0,i=new Q._(as(e,1));for(;1===i.readBits(1);)t++;if(0===t)return i.readBits(7);let r=[],a=t-1,s=new Q._(as(e,a)),n=8-t-1;for(let e=0;e<n;e++)r.unshift(i.readBits(1));for(let e=0;e<a;e++)for(let e=0;e<8;e++){let t=s.readBits(1);e<2||r.unshift(t)}return r.reduce((e,t,i)=>e|t<<i,0)},t6=(e,t)=>"uncommon-u16"===t?al(e)+1:"uncommon-u8"===t?an(e)+1:"number"==typeof t?t:void((0,B.xb)(t),(0,B.vA)(!1));class t5 extends ez{constructor(e){super(e),this.loadedSamples=[],this.metadataPromise=null,this.trackBacking=null,this.metadataTags={},this.audioInfo=null,this.lastLoadedPos=null,this.blockingBit=null,this.readingMutex=new B.aD,this.lastSampleLoaded=!1,this.reader=e._reader}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}async getTrackBackings(){return await this.readMetadata(),(0,B.vA)(this.trackBacking),[this.trackBacking]}async getMimeType(){return"audio/flac"}async readMetadata(){return this.metadataPromise??=(async()=>{let e=0;for(;;){let t=this.reader.requestSlice(e,aP);if(t instanceof Promise&&(t=await t),!t){this.lastSampleLoaded=!0;return}let i=ax(t);if(!i)break;let r=this.reader.requestSlice(t.filePos,i.size);r instanceof Promise&&(r=await r),(0,B.vA)(r),aA(r,i,this.metadataTags),e=t.filePos+i.size}for(e+=4;null===this.reader.fileSize||e<this.reader.fileSize;){let t=this.reader.requestSlice(e,4);if(t instanceof Promise&&(t=await t),e+=4,null===t)throw Error(`Metadata block at position ${e} is too small! Corrupted file.`);(0,B.vA)(t);let i=an(t),r=ac(t),a=(128&i)!=0;switch(127&i){case S.STREAMINFO:{let t=this.reader.requestSlice(e,r);if(t instanceof Promise&&(t=await t),(0,B.vA)(t),null===t)throw Error(`StreamInfo block at position ${e} is too small! Corrupted file.`);let i=as(t,34),a=new Q._(i),s=a.readBits(16),n=a.readBits(16),o=a.readBits(24),l=a.readBits(24),c=a.readBits(20),u=a.readBits(3)+1;a.readBits(5);let d=a.readBits(36);a.skipBits(128);let h=new Uint8Array(42);h.set(new Uint8Array([102,76,97,67]),0),h.set(new Uint8Array([128,0,0,34]),4),h.set(i,8),this.audioInfo={numberOfChannels:u,sampleRate:c,totalSamples:d,minimumBlockSize:s,maximumBlockSize:n,minimumFrameSize:o,maximumFrameSize:l,description:h},this.trackBacking=new t7(this);break}case S.VORBIS_COMMENT:{let t=this.reader.requestSlice(e,r);t instanceof Promise&&(t=await t),(0,B.vA)(t),eI(as(t,r),this.metadataTags);break}case S.PICTURE:{let t=this.reader.requestSlice(e,r);t instanceof Promise&&(t=await t),(0,B.vA)(t);let i=ah(t),a=ah(t),s=B.su.decode(as(t,a)),n=ah(t),o=B.su.decode(as(t,n));t.skip(16);let l=ah(t),c=as(t,l);this.metadataTags.images??=[],this.metadataTags.images.push({data:c,mimeType:s,kind:3===i?"coverFront":4===i?"coverBack":"unknown",de

1scription:o})}}if(e+=r,a){this.lastLoadedPos=e;break}}if(!this.audioInfo)throw Error("Missing STREAMINFO metadata block! Corrupted FLAC file.")})()}async readNextFlacFrame({startPos:e,isFirstPacket:t}){(0,B.vA)(this.audioInfo);let i=this.audioInfo.maximumBlockSize*this.audioInfo.numberOfChannels*4+16+2,r=this.audioInfo.minimumFrameSize||10,a=this.audioInfo.maximumFrameSize||i,s=await this.reader.requestSliceRange(e,16,a+16);if(!s)return null;let n=this.readFlacFrameHeader({slice:s,isFirstPacket:t});if(!n)return null;for(s.filePos=e+r;;){if(s.filePos>s.end-6)return{num:n.num,blockSize:n.blockSize,sampleRate:n.sampleRate,size:s.end-e,isLastFrame:!0};if(255===an(s)){let t=s.filePos;if(an(s)!==(1===this.blockingBit?249:248)){s.filePos=t;continue}s.skip(-2);let i=s.filePos-e,r=this.readFlacFrameHeader({slice:s,isFirstPacket:!1});if(!r){s.filePos=t;continue}if(0===this.blockingBit){if(r.num-n.num!=1){s.filePos=t;continue}}else if(r.num-n.num!==n.blockSize){s.filePos=t;continue}return{num:n.num,blockSize:n.blockSize,sampleRate:n.sampleRate,size:i,isLastFrame:!1}}}}readFlacFrameHeader({slice:e,isFirstPacket:t}){let i=e.filePos,r=as(e,4),a=new Q._(r);if(32764!==a.readBits(15))return null;if(null===this.blockingBit){(0,B.vA)(t);let e=a.readBits(1);this.blockingBit=e}else if(1===this.blockingBit){if((0,B.vA)(!t),1!==a.readBits(1))return null}else if(0===this.blockingBit){if((0,B.vA)(!t),0!==a.readBits(1))return null}else throw Error("Invalid blocking bit");let s=t8(a.readBits(4));if(!s)return null;(0,B.vA)(this.audioInfo);let n=((e,t)=>{switch(e){case 0:return t;case 1:return 88200;case 2:return 176400;case 3:return 192e3;case 4:return 8e3;case 5:return 16e3;case 6:return 22050;case 7:return 24e3;case 8:return 32e3;case 9:return 44100;case 10:return 48e3;case 11:return 96e3;case 12:return"uncommon-u8";case 13:return"uncommon-u16";case 14:return"uncommon-u16-10";default:return null}})(a.readBits(4),this.audioInfo.sampleRate);if(!n||(a.readBits(4),a.readBits(3),0!==a.readBits(1)))return null;let o=t4(e),l=t6(e,s),c="uncommon-u16"===n?al(e):"uncommon-u16-10"===n?10*al(e):"uncommon-u8"===n?an(e):"number"==typeof n?n:null;if(null===c||c!==this.audioInfo.sampleRate)return null;let u=e.filePos-i,d=an(e);return(e.skip(-u),e.skip(-1),d!==(e=>{let t=0;for(let i of e){t^=i;for(let e=0;e<8;e++)(128&t)!=0?t=t<<1^7:t<<=1,t&=255}return t})(as(e,u)))?null:{num:o,blockSize:l,sampleRate:c}}async advanceReader(){await this.readMetadata(),(0,B.vA)(null!==this.lastLoadedPos),(0,B.vA)(this.audioInfo);let e=this.lastLoadedPos,t=await this.readNextFlacFrame({startPos:e,isFirstPacket:0===this.loadedSamples.length});if(!t){this.lastSampleLoaded=!0;return}let i=this.loadedSamples[this.loadedSamples.length-1],r={blockOffset:i?i.blockOffset+i.blockSize:0,blockSize:t.blockSize,byteOffset:e,byteSize:t.size};if(this.lastLoadedPos=this.lastLoadedPos+t.size,this.loadedSamples.push(r),t.isLastFrame){this.lastSampleLoaded=!0;return}}}class t7{constructor(e){this.demuxer=e}getType(){return"audio"}getId(){return 1}getNumber(){return 1}getCodec(){return"flac"}getInternalCodecId(){return null}getNumberOfChannels(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.numberOfChannels}getSampleRate(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}getName(){return null}getLanguageCode(){return B.IR}getTimeResolution(){return(0,B.vA)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){return((0,B.vA)(this.demuxer.audioInfo),0===this.demuxer.audioInfo.totalSamples)?null:this.demuxer.audioInfo.totalSamples/this.demuxer.audioInfo.sampleRate}

1async getLiveRefreshInterval(){return null}getDisposition(){return{...U}}async getDecoderConfig(){return(0,B.vA)(this.demuxer.audioInfo),{codec:"flac",numberOfChannels:this.demuxer.audioInfo.numberOfChannels,sampleRate:this.demuxer.audioInfo.sampleRate,description:this.demuxer.audioInfo.description}}async getPacket(e,t){if((0,B.vA)(this.demuxer.audioInfo),e<0)return null;let i=await this.demuxer.readingMutex.acquire();try{for(;;){let i=(0,B.eE)(this.demuxer.loadedSamples,e,e=>e.blockOffset/this.demuxer.audioInfo.sampleRate);if(-1===i){await this.demuxer.advanceReader();continue}let r=this.demuxer.loadedSamples[i],a=r.blockOffset/this.demuxer.audioInfo.sampleRate,s=r.blockSize/this.demuxer.audioInfo.sampleRate;if(a+s<=e){if(this.demuxer.lastSampleLoaded)return this.getPacketAtIndex(this.demuxer.loadedSamples.length-1,t);await this.demuxer.advanceReader();continue}return this.getPacketAtIndex(i,t)}}finally{i()}}async getNextPacket(e,t){let i=await this.demuxer.readingMutex.acquire();try{let i=e.sequenceNumber+1;if(this.demuxer.lastSampleLoaded&&i>=this.demuxer.loadedSamples.length)return null;for(;i>=this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(i,t)}finally{i()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}async getPacketAtIndex(e,t){let i,r=this.demuxer.loadedSamples[e];if(!r)return null;if(t.metadataOnly)i=eO.T;else{let e=this.demuxer.reader.requestSlice(r.byteOffset,r.byteSize);if(e instanceof Promise&&(e=await e),!e)return null;i=as(e,r.byteSize)}(0,B.vA)(this.demuxer.audioInfo);let a=r.blockOffset/this.demuxer.audioInfo.sampleRate,s=r.blockSize/this.demuxer.audioInfo.sampleRate;return new eO.Z(i,"key",a,s,e,r.byteSize)}async getFirstPacket(e){for(;0===this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(0,e)}}let t9=e=>{let t="video/MP2T",i=[...new Set(e.filter(Boolean))];return i.length>0&&(t+=`; codecs="${i.join(", ")}"`),t},ie="PES packet is missing PTS where it was expected. PES packets without PTS are not currently supported. If you think this file should be supported, please report it.",it=new Set;class ii extends ez{constructor(e){super(e),this.metadataPromise=null,this.elementaryStreams=[],this.trackBackingEntries=[],this.packetOffset=0,this.packetStride=-1,this.sectionEndPositions=[],this.seekChunkSize=5242880,this.minReferencePointByteDistance=-1,this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{let e=this.reader.requestSlice(0,205);e instanceof Promise&&(e=await e),(0,B.vA)(e);let t=as(e,205);if(71===t[0]&&71===t[188])this.packetOffset=0,this.packetStride=188;else if(71===t[0]&&71===t[204])this.packetOffset=0,this.packetStride=204;else if(71===t[4]&&71===t[196])this.packetOffset=4,this.packetStride=192;else throw Error("Unreachable.");this.minReferencePointByteDistance=256*this.packetStride;let i=this.packetOffset,r=null,a=!1,s=!1;for(;;){let e=await this.readPacketHeader(i);if(!e)break;if(0===e.payloadUnitStartIndicator||s&&!this.elementaryStreams.some(t=>t.pid===e.pid)){i+=this.packetStride;continue}let t=await this.readSection(i,!0,!s);if(!t)break;let n=!1;if(!s&&0!==t.pid&&(0!==t.payload[0]||0!==t.payload[1]||1!==t.payload[2])){let e=new Q._(t.payload),i=e.readAlignedByte();e.skipBits(8*i),n=2===e.readBits(8)}if(0!==t.pid||a)if((t.pid===r||n)&&!s){let e=new Q._(t.payload),i=e.readAlignedByte();e.skipBits(8*i),e.skipBits(12);let r=e.readBits(12);e.skipBits(43),e.readBits(13),e.skipBits(6);let a=e.readBits(10);for(e.skipBits(8*a);8*(r+3)-e.pos>32;){let t=e.readBits(8);e.skipBits(3);let i=e.readBits(13);e.skipBits(6);let r=e.readBits(10),a=e.pos+8*r,s=!1,n=!1;for(;e.pos<a;){let t=e.readBits(8),i=e.readBits(8);106===t?s=!0:(122===t||204===t)&&(n=!0),e.skipBits(8*i)}let o=null;switch(t){case 27:case 36:o={type:"video",codec:27===t?"avc":"hevc",decoderConfig:null,avcCodecInfo:null,hevcCodecInfo:null,colorSpace:{primaries:null,transfer:null,matrix:null,fullRange:null},width:-1,height:-1,squarePixelWidth:-1,squarePixelHeight:-1,reorderSize:-1};break;case 3:case 4:case 15:case 129:case 135:{let e;if(3===t||4===t)e="mp3";else if(15===t)e="aac";else if(129===t)e="ac3";else if(135===t)e="eac3";else throw Error("Unreachable.");o={type:"audio",codec:e,decoderConfig:null,aacCodecInfo:null,numberOfChannels:-1,sampleRate:-1}}break;case 6:n?o={type:"audio",codec:"eac3",decoderConfig:null,aacCodecInfo:null,numberOfChannels:-1,sampleRate:-1}:s&&(o={type:"audio",codec:"ac3",decoderConfig:null,aacCodecInfo:null,numberOfChannels:-1,sampleRate:-1});break;default:it.has(t)||(E.y._warn(`Note: MPEG-TS streams with stream_type 0x${t.toString(16)} are not currently supported.`),it.add(t))}o&&this.elementaryStreams.push({demuxer:this,pid:i,streamType:t,initialized:!1,firstSection:null,canBeTrustedWithKeyPackets:!1,info:o,referencePesPackets:[]})}s=!0}else{let e=this.elementaryStreams.find(e=>e.pid===t.pid);t:if(e&&!e.initialized){let i=ia(t,!0);if(!i)throw Error(`Couldn't read first PES packet for Elementary Stream with PID ${e.pid}`);if(e.firstSection=t,e.canBeTrustedWithKeyPackets=1===t.randomAccessIndicator,this.input._initInput){let i=(await this.input._initInput._getDemuxer()).elementaryStreams.find(i=>i.pid===t.pid&&i.info.codec===e.info.codec);if(i){e.info=i.info,e.initialized=!0;break t}}let r=new iu(e,i);if("video"===e.info.type){for(;;){if(r.suppliedPacket=null,await r.markNextPacket(),"avc"===e.info.codec){if

1(!r.suppliedPacket)throw Error("Invalid AVC video stream; could not extract AVCDecoderConfigurationRecord from any packet.");if(e.info.avcCodecInfo=er(r.suppliedPacket.data),!e.info.avcCodecInfo)continue;let t=e.info.avcCodecInfo.sequenceParameterSets[0];(0,B.vA)(t);let i=en(t);e.info.width=i.displayWidth,e.info.height=i.displayHeight;let a=i.pixelAspectRatio.num,s=i.pixelAspectRatio.den;a>0&&s>0&&(a>s?(e.info.squarePixelWidth=Math.round(e.info.width*a/s),e.info.squarePixelHeight=e.info.height):(e.info.squarePixelWidth=e.info.width,e.info.squarePixelHeight=Math.round(e.info.height*s/a))),e.info.colorSpace={primaries:B.BL[i.colourPrimaries],transfer:B.x_[i.transferCharacteristics],matrix:B.fl[i.matrixCoefficients],fullRange:!!i.fullRangeFlag},e.info.reorderSize=i.maxDecFrameBuffering;break}if("hevc"===e.info.codec){if(!r.suppliedPacket)throw Error("Invalid HEVC video stream; could not extract HVCDecoderConfigurationRecord from first packet.");if(e.info.hevcCodecInfo=ed(r.suppliedPacket.data),!e.info.hevcCodecInfo)continue;let t=e.info.hevcCodecInfo.arrays.find(e=>e.nalUnitType===b.SPS_NUT).nalUnits[0];(0,B.vA)(t);let i=eu(t);e.info.width=i.displayWidth,e.info.height=i.displayHeight,i.pixelAspectRatio.num>i.pixelAspectRatio.den?(e.info.squarePixelWidth=Math.round(e.info.width*i.pixelAspectRatio.num/i.pixelAspectRatio.den),e.info.squarePixelHeight=e.info.height):(e.info.squarePixelWidth=e.info.width,e.info.squarePixelHeight=Math.round(e.info.height*i.pixelAspectRatio.den/i.pixelAspectRatio.num)),e.info.colorSpace={primaries:B.BL[i.colourPrimaries],transfer:B.x_[i.transferCharacteristics],matrix:B.fl[i.matrixCoefficients],fullRange:!!i.fullRangeFlag},e.info.reorderSize=i.maxDecFrameBuffering;break}throw Error("Unhandled.")}e.info.decoderConfig={codec:(0,O.QP)({width:e.info.width,height:e.info.height,codec:e.info.codec,codecDescription:null,colorSpace:e.info.colorSpace,avcType:1,avcCodecInfo:e.info.avcCodecInfo,hevcCodecInfo:e.info.hevcCodecInfo,vp9CodecInfo:null,av1CodecInfo:null,proresFormat:null}),codedWidth:e.info.width,codedHeight:e.info.height,colorSpace:e.info.colorSpace},(e.info.width!==e.info.squarePixelWidth||e.info.height!==e.info.squarePixelHeight)&&(e.info.decoderConfig.displayAspectWidth=e.info.squarePixelWidth,e.info.decoderConfig.displayAspectHeight=e.info.squarePixelHeight),e.initialized=!0}else{if(await r.markNextPacket(),!r.suppliedPacket)throw Error(`Couldn't parse first media packet for Elementary Stream with PID ${e.pid}`);if("aac"===e.info.codec){let t=t1(ar.tempFromBytes(r.suppliedPacket.data));if(!t)throw Error("Invalid AAC audio stream; could not read ADTS frame header from first packet.");e.info.aacCodecInfo={isMpeg2:!1,objectType:t.objectType},e.info.numberOfChannels=z.Ti[t.channelConfiguration],e.info.sampleRate=z.Im[t.samplingFrequencyIndex]}else if("mp3"===e.info.codec){let t=q(ah(ar.tempFromBytes(r.suppliedPacket.data)),r.suppliedPacket.data.byteLength);if(!t.header)throw Error("Invalid MP3 audio stream; could not read frame header from first packet.");e.info.numberOfChannels=K(t.header.channel),e.info.sampleRate=t.header.sampleRate}else if("ac3"===e.info.codec){let t=eA(r.suppliedPacket.data);if(!t)throw Error("Invalid AC-3 audio stream; could not read sync frame from first packet.");if(3===t.fscod)throw Error("Invalid AC-3 audio stream; reserved sample rate code found in first packet.");e.info.numberOfChannels=ex[t.acmod]+t.lfeon,e.info.sampleRate=$[t.fscod]}else if("eac3"===e.info.codec){let t=eR(r.suppliedPacket.data);if(!t)throw Error("Invalid E-AC-3 audio stream; could not read sync frame from first packet.");let i=eD(t);if(null===i)throw Error("Invalid E-AC-3 audio stream; reserved sample rate code found in first packet.");e.info.numberOfChannels=eU(t),e.info.sampleRate=i}else throw Error("Unhandled.");e.info.decoderConfig={codec:(0,O.X0)({codec:e.info.codec,codecDescription:null,aacCodecInfo:e.info.aacCodecInfo}),numberOfChannels:e.info.numberOfChannels,sampleRate:e.info.sampleRate},e.initialized=!0}}}else{let e=new Q._(t.payload),i=e.readAlignedByte();e.skipBits(8*i),e.skipBits(14);let s=e.readBits(10);for(e.skipBits(40);8*(s+3)-e.pos>32;){let t=e.readBits(16);e.skipBits(3);let i=e.readBits(13);if(0!==t)if(null!==r)throw Error("Only files with a single program are supported.");else r=i}if(null===r)throw Error("Program Association Table must link to a Program Map Table.");a=!0}if(s&&this.elementaryStreams.every(e=>e.initialized))break;i+=this.packetStride}if(!s){if(!a)throw Error("No Program Association Table found in the file.");throw Error("No Program Map Table found in the file.")}for(let e of this.elementaryStreams)e.initialized&&("video"===e.info.type?this.trackBackingEntries.push(new io(e)):this.trackBackingEntries.push(new il(e)))})()}async getTrackBackings(){return await this.readMetadata(),this.trackBackingEntries}async getMetadataTags(){return{}}async getMimeType(){return await this.readMetadata(),t9(await Promise.all(this.trackBackingEntries.map(e=>e.getDecoderConfig().then(e=>e?.codec??null))))}async readSection(e,t,i=!1){let r,a=e,s=e,n=[],o=0,l=null,c=!0,u=0;for(;;){let e=await this.readPacket(s);if(s+=this.packetStride,!e)break;if(l){if(e.pid!==l.pid)if(!i)continue;else break;if(1===e.payloadUnitStartIndicator)break}else{if(0===e.payloadUnitStartIndicator)break;l=e}let r=!!(2&e.adaptationFieldControl),d=!!(1&e.adaptationFieldControl),h=0;if(r&&(h=1+e.body[0],e===l&&h>1&&(u=e.body[1]>>6&1)),d&&(0===h?(n.push(e.body),o+=e.body.byteLength):(n.push(e.body.subarray(h)),o+=e.body.byteLength-h)),a=s,

1!t&&o>=64||-1!==(0,B.pl)(this.sectionEndPositions,a,e=>e)){c=!1;break}}if(c){let e=(0,B.eE)(this.sectionEndPositions,a,e=>e);this.sectionEndPositions.splice(e+1,0,a)}if(!l)return null;if(1===n.length)r=n[0];else{r=new Uint8Array(n.reduce((e,t)=>e+t.length,0));let e=0;for(let t of n)r.set(t,e),e+=t.length}return{startPos:e,endPos:t?a:null,pid:l.pid,payload:r,randomAccessIndicator:u}}async readPacketHeader(e){let t=this.reader.requestSlice(e,4);if(t instanceof Promise&&(t=await t),!t)return null;if(71!==an(t))throw Error("Invalid TS packet sync byte. Likely an internal bug, please report this file.");let i=al(t);return{payloadUnitStartIndicator:i>>14&1,pid:8191&i,adaptationFieldControl:an(t)>>4&3}}async readPacket(e){let t=this.reader.requestSlice(e,188);if(t instanceof Promise&&(t=await t),!t)return null;let i=as(t,188);if(71!==i[0])throw Error("Invalid TS packet sync byte. Likely an internal bug, please report this file.");let r=(i[1]<<8)+i[2];return{payloadUnitStartIndicator:r>>14&1,pid:8191&r,adaptationFieldControl:i[3]>>4&3,body:i.subarray(4)}}}let ir=(e,t)=>{if(e.payload.byteLength<3)return null;let i=new Q._(e.payload);if(1!==i.readBits(24))return null;let r=i.readBits(8);if(i.skipBits(16),188===r||190===r||191===r||240===r||241===r||255===r||242===r||248===r)return null;i.skipBits(8);let a=i.readBits(2);i.skipBits(14);let s=null;if(2===a||3===a)s=0,i.skipBits(4),s+=0x40000000*i.readBits(3),i.skipBits(1),s+=32768*i.readBits(15),i.skipBits(1),s+=i.readBits(15);else if(t)throw Error(ie);return{sectionStartPos:e.startPos,sectionEndPos:e.endPos,pts:s,randomAccessIndicator:e.randomAccessIndicator}},ia=(e,t)=>{(0,B.vA)(null!==e.endPos);let i=ir(e,t);if(!i)return null;let r=new Q._(e.payload);r.skipBits(32);let a=r.readBits(16);r.skipBits(16);let s=r.readBits(8),n=r.pos+8*s;r.pos=n;let o=n/8;(0,B.vA)(Number.isInteger(o));let l=e.payload.subarray(o,a>0?6+a:e.payload.byteLength);return{...i,data:l}};class is{constructor(e){this.elementaryStream=e,this.packetBuffers=new WeakMap,this.packetSectionStarts=new WeakMap}getId(){return this.elementaryStream.pid}getNumber(){let e=this.elementaryStream.demuxer,t=this.elementaryStream.info.type,i=0;for(let r of e.trackBackingEntries)if(r.getType()===t&&i++,(0,B.vA)(r instanceof is),r.elementaryStream===this.elementaryStream)break;return i}getCodec(){throw Error("Not implemented on base class.")}getInternalCodecId(){return this.elementaryStream.streamType}getName(){return null}getLanguageCode(){return B.IR}getDisposition(){return{...U,primary:!1}}getTimeResolution(){return 9e4}isRelativeToUnixEpoch(){return!1}getUnixTimeForTimestamp(){return null}getPairingMask(){return 1n}getBitrate(){return null}getAverageBitrate(){return null}async getDurationFromMetadata(){return null}

1async getLiveRefreshInterval(){return null}createEncodedPacket(e,t,i){let r;return r=this.allPacketsAreKeyPackets()||1===e.randomAccessIndicator?"key":"delta",new eO.Z(i.metadataOnly?eO.T:e.data,r,e.pts/9e4,Math.max(t/9e4,0),e.sequenceNumber,e.data.byteLength)}async getFirstPacket(e){let t=this.elementaryStream.firstSection;(0,B.vA)(t);let i=ia(t,!0);(0,B.vA)(i);let r=new id(this,new iu(this.elementaryStream,i)),a=await r.readNext();if(!a)return null;let s=this.createEncodedPacket(a.packet,a.duration,e);return this.packetBuffers.set(s,r),this.packetSectionStarts.set(s,a.packet.sectionStartPos),s}async getNextPacket(e,t){let i=this.packetBuffers.get(e);if(i){let r=await i.readNext();if(!r)return null;this.packetBuffers.delete(e);let a=this.createEncodedPacket(r.packet,r.duration,t);return this.packetBuffers.set(a,i),this.packetSectionStarts.set(a,r.packet.sectionStartPos),a}let r=this.packetSectionStarts.get(e);if(void 0===r)throw Error("Packet was not created from this track.");let a=this.elementaryStream.demuxer,s=await a.readSection(r,!0);(0,B.vA)(s);let n=ia(s,!0);(0,B.vA)(n),i=new id(this,new iu(this.elementaryStream,n));let o=e.sequenceNumber;for(;;){let e=await i.readNext();if(!e)return null;if(e.packet.sequenceNumber>o){let r=this.createEncodedPacket(e.packet,e.duration,t);return this.packetBuffers.set(r,i),this.packetSectionStarts.set(r,e.packet.sectionStartPos),r}}}async getNextKeyPacket(e,t){let i=e;for(;;){if(!(i=await this.getNextPacket(i,t)))return null;if("key"===i.type)return i}}getPacket(e,t){return this.doPacketLookup(e,!1,t)}getKeyPacket(e,t){return this.doPacketLookup(e,!0,t)}async doPacketLookup(e,t,i){let r,a=(0,B.aI)(9e4*e),s=this.elementaryStream.demuxer,{reader:n,seekChunkSize:o}=s,l=this.elementaryStream.pid,c=async(e,t,i)=>{let r=e;for(;r<t;){let e=await s.readPacketHeader(r);if(!e)break;if(e.pid===l&&1===e.payloadUnitStartIndicator){let e=await s.readSection(r,i);if(!e)return null;let t=ir(e,!1);if(t&&null!==t.pts)return{pesPacketHeader:t,section:e}}r+=s.packetStride}return null},u=this.elementaryStream.firstSection;(0,B.vA)(u);let d=ir(u,!0);if((0,B.vA)(d),a<d.pts)return null;let h=this.elementaryStream.referencePesPackets,m=(0,B.eE)(h,a,e=>e.pts),f=-1!==m?h[m]:null;if(f&&a-f.pts<45e3)r=f.sectionStartPos;else{let e=0;if(null!==n.fileSize){let t=Math.ceil(n.fileSize/o);if(t>1){let i=0,r=t-1;for(e=0;i<=r;){let t=Math.floor((i+r)/2),n=(0,B.Q5)(t*o,s.packetStride)+d.sectionStartPos,l=n+o,u=await c(n,l,!1);if(!u){r=t-1;continue}u.pesPacketHeader.pts<=a?(e=t,i=t+1):r=t-1}}}r=(0,B.Q5)(e*o,s.packetStride)+d.sectionStartPos}let p=await c(r,n.fileSize??1/0,!1),g=p?.pesPacketHeader??null;g||(g=d);let k=this.getReorderSize(),y=async(e,t)=>{let r=await s.readSection(e,!0);(0,B.vA)(r);let n=ia(r,!0);(0,B.vA)(n);let o=new id(this,new iu(this.elementaryStream,n));for(;!(((0,B._g)(o.presentationOrderPackets)?.pts??-1/0)>=a)&&await o.readNextPacket(););let l=(0,B.Kl)(o.presentationOrderPackets,t);if(-1===l)return null;let c=o.presentationOrderPackets[l],u=0===l?0:c.pts-o.presentationOrderPackets[l-1].pts;for(;o.decodeOrderPackets[0]!==c;)o.decodeOrderPackets.shift();o.lastDuration=u;let d=await o.readNext();(0,B.vA)(d);let h=this.createEncodedPacket(d.packet,d.duration,i);return this.packetBuffers.set(h,o),this.packetSectionStarts.set(h,d.packet.sectionStartPos),h};if(!t||this.allPacketsAreKeyPackets()){t:for(;;){let e=g.sectionStartPos+s.packetStride;for(;;){let t=await s.readPacketHeader(e);if(!t)break t;if(t.pid===l&&1===t.payloadUnitStartIndicator){let t=await s.readSection(e,!1);if(t){let e=ir(t,!1);if(e&&null!==e.pts){if(e.pts>a)break t;g=e,ic(this.elementaryStream,g);break}}}e+=s.packetStride}}t:for(let e=0;e<k+1;e++){let e=g.sectionStartPos-s.packetStride;for(;e>=s.packetOffset;){let t=await s.readPacketHeader(e);if(!t)break t;if(t.pid===l&&1===t.payloadUnitStartIndicator){let t=await s.readSection(e,!1);if(t){let e=ir(t,!1);if(e&&null!==e.pts){g=e;break}}}e-=s.packetStride}}return y(g.sectionStartPos,e=>e.pts<=a)}{let e=r,t=null,i=!this.elementaryStream.canBeTrustedWithKeyPackets;for(;;){let r,h=null,m=e<=d.sectionStartPos,f=null;if(m)r=d,f=u;else{let t=await c(e,n.fileSize??1/0,i);r=t?.pesPacketHeader??null,f=t?.section??null}let p=!1,g=0;t:for(;r&&(null===t||!(r.sectionStartPos>=t));){if(r.pts<=a){let e;if(this.elementaryStream.canBeTrustedWithKeyPackets)e=1===r.randomAccessIndicator;else{(0,B.vA)(f);let t=ia(f,!0);(0,B.vA)(t);let i=new iu(this.elementaryStream,t);await i.markNextPacket(),e=i.suppliedPacket?.randomAccessIndicator===1}e&&(h=r)}if(r.pts>a&&(p=!0),p&&++g>k)break;let e=r.sectionStartPos+s.packetStride;for(;;){let t=await s.readPacketHeader(e);if(!t)break t;if(t.pid===l&&1===t.payloadUnitStartIndicator){let t=await s.readSection(e,i);if(t){let e=ir(t,!1);if(e&&null!==e.pts){r=e,f=t,ic(this.elementaryStream,r);break}}}e+=s.packetStride}}if(h){let e=h;if(0===g)t:for(let t=0;t<k;t++){let t=e.sectionStartPos-s.packetStride;for(;t>=s.packetOffset;){let r=await s.readPacketHeader(t);if(!r)break t;if(r.pid===l&&1===r.payloadUnitStartIndicator){let r=await s.readSection(t,i);if(r){let t=ir(r,!1);if(t&&null!==t.pts){e=t;break}}}t-=s.packetStride}}let t=await y(e.sectionStartPos,e=>e.pts<=a&&1===e.randomAccessIndicator);return(0,B.vA)(t),t}if(m)return null;t=e,e=Math.max((0,B.Q5)(e-d.sectionStartPos-o,s.packetStride)+d.sectionStartPos,d.sectionStartPos)}}}}class io extends is{getType(){return"video"}getCodec(){return this.elementaryStream.info.codec}getCodedWidth(){return this.elementaryStream.info.width}getCodedHeight(){return this.elementaryStream.info.height}getSquarePixelWidth(){return this.elementaryStream.info.squarePixelWidth}getSquarePixelHeight(){return this.elementaryStream.info.squarePixelHeight}getRotation(){return 0}async getColorSpace(){return this.elementaryStream.info.colorSpace}

1async canBeTransparent(){return!1}async getDecoderConfig(){return(0,B.vA)(this.elementaryStream.info.decoderConfig),this.elementaryStream.info.decoderConfig}allPacketsAreKeyPackets(){return!1}getReorderSize(){return this.elementaryStream.info.reorderSize}}class il extends is{getType(){return"audio"}getCodec(){return this.elementaryStream.info.codec}getNumberOfChannels(){return this.elementaryStream.info.numberOfChannels}getSampleRate(){return this.elementaryStream.info.sampleRate}async getDecoderConfig(){return(0,B.vA)(this.elementaryStream.info.decoderConfig),this.elementaryStream.info.decoderConfig}allPacketsAreKeyPackets(){return!0}getReorderSize(){return 0}}let ic=(e,t)=>{let i=e.referencePesPackets,r=(0,B.eE)(i,t.sectionStartPos,e=>e.sectionStartPos);if(r>=0){let a=i[r];if(t.pts<=a.pts)return!1;let s=e.demuxer.minReferencePointByteDistance;if(t.sectionStartPos-a.sectionStartPos<s)return!1;if(r<i.length-1){let e=i[r+1];if(e.pts<t.pts||e.sectionStartPos-t.sectionStartPos<s)return!1}}return i.splice(r+1,0,t),!0};class iu{constructor(e,t){this.currentPos=0,this.pesPackets=[],this.currentPesPacketIndex=0,this.currentPesPacketPos=0,this.endPos=0,this.lastSuppliedPesPacket=null,this.nextPts=null,this.suppliedPacket=null,this.elementaryStream=e,this.pid=e.pid,this.demuxer=e.demuxer,this.startingPesPacket=t}ensureBuffered(e){let t=this.endPos-this.currentPos;return t>=e?e:this.bufferData(e-t).then(()=>Math.min(this.endPos-this.currentPos,e))}getCurrentPesPacket(){let e=this.pesPackets[this.currentPesPacketIndex];return(0,B.vA)(e),e}async bufferData(e){let t=this.endPos+e;for(;this.endPos<t;){let e;if(0===this.pesPackets.length)e=this.startingPesPacket;else{let t=(0,B._g)(this.pesPackets).sectionEndPos;for((0,B.vA)(null!==t);;){let i=await this.demuxer.readPacketHeader(t);if(!i)return;if(i.pid===this.pid){let i=await this.demuxer.readSection(t,!0);if(!i)return;let r=ia(i,!1);if(r){e=r;break}}t+=this.demuxer.packetStride}}this.pesPackets.push(e),this.endPos+=e.data.byteLength}}readBytes(e){let t=this.getCurrentPesPacket(),i=this.currentPos-this.currentPesPacketPos,r=i+e;if(this.currentPos+=e,r<=t.data.byteLength)return t.data.subarray(i,r);let a=new Uint8Array(e);a.set(t.data.subarray(i));let s=t.data.byteLength-i;for(;;){this.advanceCurrentPacket();let t=this.getCurrentPesPacket(),i=e-s;if(i<=t.data.byteLength){a.set(t.data.subarray(0,i),s);break}a.set(t.data,s),s+=t.data.byteLength}return a}readU8(){let e=this.getCurrentPesPacket(),t=this.currentPos-this.currentPesPacketPos;return(this.currentPos++,t<e.data.byteLength)?e.data[t]:(this.advanceCurrentPacket(),(e=this.getCurrentPesPacket()).data[0])}seekTo(e){if(e!==this.currentPos){if(e<this.currentPos)for(;e<this.currentPesPacketPos;){this.currentPesPacketIndex--;let e=this.getCurrentPesPacket();this.currentPesPacketPos-=e.data.byteLength}else for(;;){let t=this.getCurrentPesPacket();if(e<this.currentPesPacketPos+t.data.byteLength)break;this.currentPesPacketPos+=t.data.byteLength,this.currentPesPacketIndex++}this.currentPos=e}}skip(e){this.seekTo(this.currentPos+e)}advanceCurrentPacket(){this.currentPesPacketPos+=this.getCurrentPesPacket().data.byteLength,this.currentPesPacketIndex++}async markNextPacket(){(0,B.vA)(!this.suppliedPacket);let e=this.elementaryStream;if("video"===e.info.type){let t=e.info.codec;if("avc"!==t&&"hevc"!==t)throw Error("Unhandled.");let i="avc"===t?1:2,r=null,a=!1,s=0;for(;;){let e=this.ensureBuffered(1024);if(e instanceof Promise&&(e=await e),0===e)break;let n=this.currentPos,o=this.readBytes(e),l=o.byteLength,c=0;for(;c<l;){let e,u,d,h=o.indexOf(0,c);if(-1===h||h>=l)break;let m=n+(c=h);if(c+3>=l){this.seekTo(m);break}let f=o[c+1],p=o[c+2],g=o[c+3],k=0;if(0===f&&0===p&&1===g?k=4:0===f&&1===p&&(k=3),0===k){c++;continue}r??=m;let y=c+k,T=y+i;if(T+("avc"===t?6:1)>l){this.seekTo(m);break}let S=o[y];if("avc"===t)u=(e=Z(S))===w.NON_IDR_SLICE||e===w.SLICE_DPA||e===w.IDR,d=e===w.SEI||e===w.SPS||e===w.PPS||e===w.AUD;else{if(e=ec(S),((1&S)<<5|o[y+1]>>3)>0){c+=k;continue}u=e<=b.RASL_R||e>=b.BLA_W_LP&&e<=21,d=e>=b.VPS_NUT&&e<=37||e===b.PREFIX_SEI_NUT||e>=41&&e<=44||e>=48&&e<=55}let v=!1;if(u){let e;if("avc"===t){let t=o.subarray(T,T+6),i=(0,B.IP)(new Q._(t));e=!a||i<=s,s=i}else e=o[T]>>7==1;e&&(a?v=!0:a=!0)}else d&&a&&(v=!0);if(v){let e=m-r;return this.seekTo(r),this.supplyPacket(e,0)}c+=k}if(e<1024)break}if(null!==r&&this.endPos>r){let e=this.endPos-r;return this.seekTo(r),this.supplyPacket(e,0)}}else{let t=e.info.codec;for(;;){let i=this.ensureBuffered(128);i instanceof Promise&&(i=await i);let r=this.currentPos;for(;this.currentPos-r<i;){let i=this.readU8();if("aac"===t){if(255!==i)continue;this.skip(-1);let t=this.currentPos,r=this.ensureBuffered(9);if(r instanceof Promise&&(r=await r),r<9)return;let a=this.readBytes(9),s=t1(ar.tempFromBytes(a));if(s){this.seekTo(t);let i=this.ensureBuffered(s.frameLength);return i instanceof Promise&&(i=await i),this.supplyPacket(i,Math.round(9216e4/e.info.sampleRate))}this.seekTo(t+1)}else if("mp3"===t){if(255!==i)continue;this.skip(-1);let t=this.currentPos,r=this.ensureBuffered(4);if(r instanceof Promise&&(r=await r),r<4)return;let a=this.readBytes(4),s=q((0,B.Zc)(a).getUint32(0),null);if(s.header){this.seekTo(t);let i=this.ensureBuffered(s.header.totalSize);

1i instanceof Promise&&(i=await i);let r=9e4*s.header.audioSamplesInFrame/e.info.sampleRate;return this.supplyPacket(i,Math.round(r))}this.seekTo(t+1)}else if("ac3"===t){if(11!==i)continue;this.skip(-1);let t=this.currentPos,r=this.ensureBuffered(5);if(r instanceof Promise&&(r=await r),r<5)return;let a=this.readBytes(5);if(11!==a[0]||119!==a[1]){this.seekTo(t+1);continue}let s=a[4]>>6,n=63&a[4];if(3===s||n>37){this.seekTo(t+1);continue}let o=eE[3*n+s];(0,B.vA)(void 0!==o),this.seekTo(t),(r=this.ensureBuffered(o))instanceof Promise&&(r=await r);let l=Math.round(13824e4/e.info.sampleRate);return this.supplyPacket(r,l)}else if("eac3"===t){if(11!==i)continue;this.skip(-1);let t=this.currentPos,r=this.ensureBuffered(5);if(r instanceof Promise&&(r=await r),r<5)return;let a=this.readBytes(5);if(11!==a[0]||119!==a[1]){this.seekTo(t+1);continue}let s=(((7&a[2])<<8|a[3])+1)*2,n=eM[3==a[4]>>6?3:a[4]>>4&3];this.seekTo(t),(r=this.ensureBuffered(s))instanceof Promise&&(r=await r);let o=Math.round(256*n*9e4/e.info.sampleRate);return this.supplyPacket(r,o)}else throw Error("Unhandled.")}if(i<128)break}}}supplyPacket(e,t){let i,r=this.getCurrentPesPacket();if(this.lastSuppliedPesPacket===r)(0,B.vA)(null!==this.nextPts),i=this.nextPts;else{if(null===r.pts)throw Error(ie);i=r.pts,ic(this.elementaryStream,r)}this.lastSuppliedPesPacket=r,this.nextPts=i+t;let a=r.sectionStartPos,s=a+(this.currentPos-this.currentPesPacketPos),n=this.readBytes(e),o=r.randomAccessIndicator;0===o&&!this.elementaryStream.canBeTrustedWithKeyPackets&&("audio"===this.elementaryStream.info.type?o=1:this.elementaryStream.info.decoderConfig&&(o=Number("key"===e_(this.elementaryStream.info.codec,this.elementaryStream.info.decoderConfig,n)))),this.suppliedPacket={pts:i,data:n,sequenceNumber:s,sectionStartPos:a,randomAccessIndicator:o},this.pesPackets.splice(0,this.currentPesPacketIndex),this.currentPesPacketIndex=0}}class id{constructor(e,t){this.decodeOrderPackets=[],this.reorderBuffer=[],this.presentationOrderPackets=[],this.reachedEnd=!1,this.lastDuration=0,this.backing=e,this.context=t,this.reorderSize=e.getReorderSize(),(0,B.vA)(this.reorderSize>=0)}async readNext(){let e;if(0===this.decodeOrderPackets.length&&!await this.readNextPacket())return null;await this.ensureCurrentPacketHasNext();let t=this.decodeOrderPackets[0],i=this.presentationOrderPackets.indexOf(t);for((0,B.vA)(-1!==i),i===this.presentationOrderPackets.length-1?e=this.lastDuration:(e=this.presentationOrderPackets[i+1].pts-t.pts,this.lastDuration=e),this.decodeOrderPackets.shift();this.presentationOrderPackets.length>0;){let e=this.presentationOrderPackets[0];if(this.decodeOrderPackets.includes(e))break;this.presentationOrderPackets.shift()}return{packet:t,duration:e}}async readNextPacket(){let e;return!this.reachedEnd&&((this.context.suppliedPacket||await this.context.markNextPacket(),e=this.context.suppliedPacket,this.context.suppliedPacket=null,e)?(this.decodeOrderPackets.push(e),this.processPacketThroughReorderBuffer(e),!0):(this.reachedEnd=!0,this.flushReorderBuffer(),!1))}async ensureCurrentPacketHasNext(){let e=this.decodeOrderPackets[0];for((0,B.vA)(e);;){let t=this.presentationOrderPackets.indexOf(e);if(-1!==t&&t<=this.presentationOrderPackets.length-2||!await this.readNextPacket())break}}processPacketThroughReorderBuffer(e){if(this.reorderBuffer.push(e),this.reorderBuffer.length>this.reorderSize){let e=0;for(let t=1;t<this.reorderBuffer.length;t++)this.reorderBuffer[t].pts<this.reorderBuffer[e].pts&&(e=t);let t=this.reorderBuffer[e];this.presentationOrderPackets.push(t),this.reorderBuffer.splice(e,1)}}flushReorderBuffer(){this.reorderBuffer.sort((e,t)=>e.pts-t.pts),this.presentationOrderPackets.push(...this.reorderBuffer),this.reorderBuffer.length=0}}let ih="application/vnd.apple.mpegurl",im="#EXT-X-STREAM-INF:",ip="#EXT-X-I-FRAME-STREAM-INF:",ig="#EXT-X-MEDIA:",ik="#EXTINF:",iy="#EXT-X-MAP:",iw="#EXT-X-KEY:",ib="#EXT-X-MEDIA-SEQUENCE:",iT="#EXT-X-BYTERANGE:",iS="#EXT-X-PROGRAM-DATE-TIME:",iv="#EXT-X-TARGETDURATION:",iP="#EXT-X-PLAYLIST-TYPE:",i_=e=>0===e.length||e.startsWith("#")&&!e.startsWith("#EXT");class iI{constructor(e){this._attributes={};let t="",i="",r=!1,a=!1;for(let s=0;s<e.length;s++){const n=e[s];'"'===n?a=!a:"="!==n||r||a?","!==n||a?r?i+=n:t+=n:(t&&(this._attributes[t.trim().toLowerCase()]=i),t="",i="",r=!1):r=!0}t&&(this._attributes[t.trim().toLowerCase()]=i)}get(e){return this._attributes[e.toLowerCase()]??null}getAsNumber(e){let t=this.get(e);if(null===t)return null;let i=Number(t);return Number.isFinite(i)?i:null}merge(e){Object.assign(this._attributes,e._attributes)}}class iC{constructor(e,t,i){this.nextInputCacheAge=0,this.inputCache=[],this.trackBackingsPromise=null,this.firstSegment=null,this.firstSegmentFirstTimestamps=new WeakMap,this.firstTimestampCache=new WeakMap,this.input=e,this.path=t,this.trackDeclarations=i}

1async getDurationFromMetadata(e){let t=await this.getSegmentAt(1/0,{skipLiveWait:e.skipLiveWait});return t?t.timestamp+t.duration:null}async getUnixTimeForTimestamp(e){let t=await this.getSegmentAt(e,{});if(!(t??=await this.getFirstSegment({}))||null===t.unixEpochTimestamp)return null;let i=e-t.timestamp;return t.unixEpochTimestamp+i}async getTrackBackings(){return this.trackBackingsPromise??=(async()=>{let e=[];if(this.trackDeclarations){for(let t of this.trackDeclarations)if("video"===t.type){let i=(0,B.v$)(e,e=>"video"===e.getType())+1;e.push(new iA(this,t,i))}else if("audio"===t.type){let i=(0,B.v$)(e,e=>"audio"===e.getType())+1;e.push(new iE(this,t,i))}}else{if(this.firstSegment=await this.getFirstSegment({}),!this.firstSegment)return[];let t=this.getInputForSegment(this.firstSegment);for(let i of(await t.getTracks()))if("video"===i.type){let t=(0,B.v$)(e,e=>"video"===e.getType())+1;e.push(new iA(this,{id:e.length+1,type:"video"},t))}else if("audio"===i.type){let t=(0,B.v$)(e,e=>"audio"===e.getType())+1;e.push(new iE(this,{id:e.length+1,type:"audio"},t))}}return e})()}async getFirstTimestampForInput(e){let t=this.firstTimestampCache.get(e);if(void 0!==t)return t;let i=await e.getFirstTimestamp();return this.firstTimestampCache.set(e,i),i}async getMediaOffset(e,t){let i,r=e.firstSegment??e;if(this.firstSegmentFirstTimestamps.has(r))i=this.firstSegmentFirstTimestamps.get(r);else{let e=this.getInputForSegment(r);i=await this.getFirstTimestampForInput(e),this.firstSegmentFirstTimestamps.set(r,i)}if(r===e)return r.timestamp-i;let a=await this.getFirstTimestampForInput(t),s=e.timestamp-r.timestamp;return Math.abs(a-i-s)<=Math.min(.25,s)?r.timestamp-i:e.timestamp-a}dispose(){for(let e of this.inputCache)e.input.dispose();this.inputCache.length=0}}class ix{constructor(e,t,i){this.packetInfos=new WeakMap,this.hydrationPromise=null,this.firstInputTrack=null,this.firstSegment=null,this.segmentedInput=e,this.decl=t,this.number=i}hydrate(){return this.hydrationPromise??=(async()=>{if(this.segmentedInput.firstSegment??=await this.segmentedInput.getFirstSegment({}),!this.segmentedInput.firstSegment)throw Error("Missing first segment, can't retrieve track.");let e=this.segmentedInput.firstSegment,t=null;for(;e;){let i=this.segmentedInput.getInputForSegment(e);if(t=(await i.getTracks()).find(e=>e.type===this.decl.type&&e.number===this.number)??null)break;e=await this.segmentedInput.getNextSegment(e,{})}if(!t)throw Error("No matching track found in underlying media data.");this.firstInputTrack=t,this.firstSegment=e})()}getId(){return this.decl.id}getType(){return this.decl.type}getNumber(){return this.number}delegate(e){return this.firstInputTrack?e():this.hydrate().then(e)}async getDecoderConfig(){return this.delegate(()=>this.firstInputTrack._backing.getDecoderConfig())}getHasOnlyKeyPackets(){return this.delegate(()=>this.firstInputTrack._backing.getHasOnlyKeyPackets?.()??null)}getPairingMask(){return 1n}getCodec(){return this.delegate(()=>this.firstInputTrack._backing.getCodec())}getInternalCodecId(){return this.delegate(()=>this.firstInputTrack._backing.getInternalCodecId())}getDisposition(){return this.delegate(()=>this.firstInputTrack._backing.getDisposition())}getLanguageCode(){return this.delegate(()=>this.firstInputTrack._backing.getLanguageCode())}getName(){return this.delegate(()=>this.firstInputTrack._backing.getName())}getTimeResolution(){return this.delegate(()=>this.firstInputTrack._backing.getTimeResolution())}async isRelativeToUnixEpoch(){return await this.hydrate(),(0,B.vA)(this.segmentedInput.firstSegment),this.segmentedInput.firstSegment.unixEpochTimestamp===this.segmentedInput.firstSegment.timestamp}getUnixTimeForTimestamp(e){return this.segmentedInput.getUnixTimeForTimestamp(e)}getBitrate(){return this.delegate(()=>this.firstInputTrack._backing.getBitrate())}getAverageBitrate(){return this.delegate(()=>this.firstInputTrack._backing.getAverageBitrate())}getDurationFromMetadata(e){return this.segmentedInput.getDurationFromMetadata(e)}

1getLiveRefreshInterval(){return this.segmentedInput.getLiveRefreshInterval()}async createAdjustedPacket(e,t,i){(0,B.vA)(e.sequenceNumber>=0),(0,B.vA)(this.segmentedInput.firstSegment);let r=await this.segmentedInput.getMediaOffset(t,i.input),a=t.timestamp-this.segmentedInput.firstSegment.timestamp,s=e.clone({timestamp:(0,B.gl)(e.timestamp+r,await i.getTimeResolution()),sequenceNumber:Math.floor(1e8*a)+e.sequenceNumber});return this.packetInfos.set(s,{segment:t,track:i,sourcePacket:e}),s}async getFirstPacket(e){await this.hydrate(),(0,B.vA)(this.firstInputTrack),(0,B.vA)(this.firstSegment);let t=this.firstInputTrack,i=this.firstSegment;for(;;){if(t){let r=await t._backing.getFirstPacket(e);if(r)return this.createAdjustedPacket(r,i,t)}if(!(i=await this.segmentedInput.getNextSegment(i,{skipLiveWait:e.skipLiveWait})))break;let r=this.segmentedInput.getInputForSegment(i);t=(await r.getTracks()).find(e=>e.type===this.firstInputTrack.type&&e.number===this.firstInputTrack.number)??null}return null}getNextPacket(e,t){return this._getNextInternal(e,t,!1)}getNextKeyPacket(e,t){return this._getNextInternal(e,t,!0)}async _getNextInternal(e,t,i){let r=this.packetInfos.get(e);if(!r)throw Error("Packet was not created from this track.");let a=i?await r.track._backing.getNextKeyPacket(r.sourcePacket,t):await r.track._backing.getNextPacket(r.sourcePacket,t);if(a)return this.createAdjustedPacket(a,r.segment,r.track);let s=r.segment;for(;;){let e=await this.segmentedInput.getNextSegment(s,{skipLiveWait:t.skipLiveWait});if(!e)return null;let i=this.segmentedInput.getInputForSegment(e),a=(await i.getTracks()).find(e=>e.type===r.track.type&&e.number===r.track.number);if(!a){s=e;continue}let n=await a._backing.getFirstPacket(t);if(!n)return null;return this.createAdjustedPacket(n,e,a)}}getPacket(e,t){return this._getPacketInternal(e,t,!1)}getKeyPacket(e,t){return this._getPacketInternal(e,t,!0)}async _getPacketInternal(e,t,i){let r=await this.segmentedInput.getSegmentAt(e,{skipLiveWait:t.skipLiveWait});if(!r)return null;for(await this.hydrate();r;){let a=this.segmentedInput.getInputForSegment(r),s=(await a.getTracks()).find(e=>e.type===this.firstInputTrack.type&&e.number===this.firstInputTrack.number);if(!s){r=await this.segmentedInput.getPreviousSegment(r,{skipLiveWait:t.skipLiveWait});continue}let n=e-await this.segmentedInput.getMediaOffset(r,a),o=i?await s._backing.getKeyPacket(n,t):await s._backing.getPacket(n,t);if(!o){r=await this.segmentedInput.getPreviousSegment(r,{skipLiveWait:t.skipLiveWait});continue}return this.createAdjustedPacket(o,r,s)}return null}}class iA extends ix{getType(){return"video"}getCodec(){return this.delegate(()=>this.firstInputTrack._backing.getCodec())}getCodedWidth(){return this.delegate(()=>this.firstInputTrack._backing.getCodedWidth())}getCodedHeight(){return this.delegate(()=>this.firstInputTrack._backing.getCodedHeight())}getSquarePixelWidth(){return this.delegate(()=>this.firstInputTrack._backing.getSquarePixelWidth())}getSquarePixelHeight(){return this.delegate(()=>this.firstInputTrack._backing.getSquarePixelHeight())}getRotation(){return this.delegate(()=>this.firstInputTrack._backing.getRotation())}async getColorSpace(){return this.delegate(()=>this.firstInputTrack._backing.getColorSpace())}

1async canBeTransparent(){return this.delegate(()=>this.firstInputTrack._backing.canBeTransparent())}async getDecoderConfig(){return this.delegate(()=>this.firstInputTrack._backing.getDecoderConfig())}}class iE extends ix{getType(){return"audio"}getCodec(){return this.delegate(()=>this.firstInputTrack._backing.getCodec())}getNumberOfChannels(){return this.delegate(()=>this.firstInputTrack._backing.getNumberOfChannels())}getSampleRate(){return this.delegate(()=>this.firstInputTrack._backing.getSampleRate())}async getDecoderConfig(){return this.delegate(()=>this.firstInputTrack._backing.getDecoderConfig())}}var iB=i(61845),iF=i.t(iB,2);(0,B.XQ)();let iM=void 0!==iF?iF:void 0,iR=1/0,iD=null;"u">typeof FinalizationRegistry&&(iD=new FinalizationRegistry(e=>{e()}));class iU extends B.bk{constructor(){super(),this._disposed=!1,this._refCount=0,this._usedForHls=!1,this._refFinalizationRegistry=null,this._sizePromise=null,this.onread=null,"u">typeof FinalizationRegistry&&(this._refFinalizationRegistry=new FinalizationRegistry(e=>{e._decrementRefCount()}))}async getSizeOrNull(){if(this._disposed)throw new at;return this._sizePromise??=(async()=>{let e=this._getFileSize();return void 0!==e||(await this._read(0,1,0,iR),e=this._getFileSize(),(0,B.vA)(void 0!==e)),e})()}async getSize(){if(this._disposed)throw new at;

1let e=await this.getSizeOrNull();if(null===e)throw Error("Cannot determine the size of an unsized source.");return e}slice(e,t){if(!Number.isInteger(e)||e<0)throw TypeError("offset must be a non-negative integer.");if(void 0!==t&&(!Number.isInteger(t)||t<0))throw TypeError("length, when provided, must be a non-negative integer.");return new iJ(this,e,t)}_dispatchRead(e,t){this.onread?.(e,t),this._emit("read",{start:e,end:t})}ref(){return new iz(this)}_incrementRefCount(){this._refCount++}_decrementRefCount(){this._refCount--,0===this._refCount&&(this._dispose(),this._disposed=!0)}}class iz{constructor(e){if(this._freed=!1,e._disposed)throw Error("Cannot ref a disposed source.");e._incrementRefCount(),e._refFinalizationRegistry?.register(this,e,this),this._source=e}get source(){if(!this._source)throw Error("Can't get source; ref has already been freed.");return this._source}get freed(){return this._freed}free(){if(this._freed)throw Error("Illegal operation: double free on SourceRef.");let e=this.source;(0,B.vA)(e._refCount>0),e._decrementRefCount(),e._refFinalizationRegistry?.unregister(this),this._freed=!0,this._source=null}[Symbol.dispose](){this.freed||this.free()}}class iO extends iU{constructor(e,t){if("string"!=typeof e)throw TypeError("rootPath must be a string.");if("function"!=typeof t)throw TypeError("requestHandler must be a function.");super(),this.rootPath=e,this.requestHandler=t}_resolveRequest(e){let t=this.requestHandler(e),i=e=>{if(!(e instanceof iU||e instanceof iz))throw TypeError("requestHandler must return or resolve to a Source or SourceRef.");let t=e instanceof iU?e.ref():e;return t.source._usedForHls||=this._usedForHls,t};return t instanceof Promise?t.then(i):i(t)}}class iL extends iO{constructor(){super(...arguments),this._root=null,this._rootRequest=null}_read(e,t,i,r){if(!this._root){if(!this._rootRequest){let e=this._resolveRequest({path:this.rootPath,isRoot:!0}),t=e=>{let t=e instanceof iU?e.ref():e;return this._root=t,this._rootRequest=null,t};e instanceof Promise?this._rootRequest=e.then(t):(t(e),(0,B.vA)(this._root))}if(this._rootRequest)return this._rootRequest.then(a=>a.source._read(e,t,i,r))}return this._root.source._read(e,t,i,r)}_getFileSize(){if(this._root)return this._root.source._getFileSize()}_dispose(){this._root?this._root.free():this._rootRequest&&this._rootRequest.then(e=>e.free())}}class iN extends iU{constructor(e){if(!(e instanceof ArrayBuffer)&&!("u">typeof SharedArrayBuffer&&e instanceof SharedArrayBuffer)&&!ArrayBuffer.isView(e))throw TypeError("buffer must be an ArrayBuffer, SharedArrayBuffer, or ArrayBufferView.");super(),this._onreadCalled=!1,this._bytes=(0,B.Fo)(e),this._view=(0,B.Zc)(e)}_getFileSize(){return this._bytes.byteLength}_read(){return this._onreadCalled||(this._dispatchRead(0,this._bytes.byteLength),this._onreadCalled=!0),{bytes:this._bytes,view:this._view,offset:0}}_dispose(){}}class iW extends iU{constructor(e,t={}){if(!(e instanceof Blob))throw TypeError("blob must be a Blob.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.maxCacheSize&&(!(0,B.Et)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");if(void 0!==t.useStreamReader&&"boolean"!=typeof t.useStreamReader)throw TypeError("options.useStreamReader, when provided, must be a boolean.");super(),this._readers=new WeakMap,this._blob=e,this._options=t,this._orchestrator=new iZ({maxCacheSize:t.maxCacheSize??8388608,maxWorkerCount:4,runWorker:this._runWorker.bind(this),prefetchProfile:iY.fileSystem}),this._orchestrator.fileSize=e.size}_getFileSize(){return this._orchestrator.fileSize}_read(e,t,i,r){return this._orchestrator.read(e,t,i,r)}async _runWorker(e){(0,B.vA)(e.strictTarget);let t=this._readers.get(e);for(void 0===t&&(t=("stream"in this._blob)&&!(0,B.Tc)()&&!1!==this._options.useStreamReader?this._blob.slice(e.currentPos).stream().getReader():null,this._readers.set(e,t));e.currentPos<e.targetPos&&!e.aborted;)if(t){let{done:i,value:r}=await t.read();

1if(i)throw this._orchestrator.onWorkerFinished(e),Error("Blob reader stopped unexpectedly before all requested data was read.");if(e.aborted)break;this._dispatchRead(e.currentPos,e.currentPos+r.length),this._orchestrator.supplyWorkerData(e,r)}else{let t=await this._blob.slice(e.currentPos,e.targetPos).arrayBuffer();if(e.aborted)break;this._dispatchRead(e.currentPos,e.currentPos+t.byteLength),this._orchestrator.supplyWorkerData(e,new Uint8Array(t))}this._orchestrator.signalWorkerStoppedRunning(e),e.aborted&&await t?.cancel()}_dispose(){this._orchestrator.dispose()}}let iV=(e,t,i)=>{if(t instanceof Error&&(t.message.includes("Failed to fetch")||t.message.includes("Load failed")||t.message.includes("NetworkError when attempting to fetch resource"))&&"u">typeof window){let e=null;try{"u">typeof window&&void 0!==window.location&&(e=new URL(i instanceof Request?i.url:i,window.location.href).origin)}catch{}if(("u"<typeof navigator||"boolean"!=typeof navigator.onLine||navigator.onLine)&&null!==e&&e!==window.location.origin)return E.y._warn("Request will not be retried because a CORS error was suspected due to different origins. You can modify this behavior by providing your own function for the 'getRetryDelay' option."),null}return Math.min(2**(e-2),16)},iq=new Set;class iH extends iO{constructor(e,t={}){if("string"!=typeof e&&!(e instanceof URL)&&!("u">typeof Request&&e instanceof Request))throw TypeError("url must be a string, URL or Request.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.requestInit&&(!t.requestInit||"object"!=typeof t.requestInit))throw TypeError("options.requestInit, when provided, must be an object.");if(void 0!==t.getRetryDelay&&"function"!=typeof t.getRetryDelay)throw TypeError("options.getRetryDelay, when provided, must be a function.");if(void 0!==t.maxCacheSize&&(!(0,B.Et)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");if(void 0!==t.parallelism&&(!Number.isInteger(t.parallelism)||t.parallelism<1))throw TypeError("options.parallelism, when provided, must be a positive number.");if(void 0!==t.fetchFn&&"function"!=typeof t.fetchFn)throw TypeError("options.fetchFn, when provided, must be a function.");super(e instanceof Request?e.url:e instanceof URL?e.href:e,e=>new iH(e.path,this._options)),this._offset=0,this._length=null,this._fileSizeDetermined=!1,this._sequentialBacking=null,this._url=e,this._options=t,this._getRetryDelay=t.getRetryDelay??iV,this._requestInit={...t.requestInit};let i=null;if(t.requestInit?.headers){const e={...(0,B.qx)(t.requestInit.headers)},r=Object.keys(e).find(e=>"range"===e.toLowerCase());void 0!==r&&(i=e[r],delete e[r],this._requestInit.headers=e)}if(e instanceof Request){const t=e.headers.get("Range");if(null!==t){i??=t;const r=new Request(e);r.headers.delete("Range"),this._url=r}}if(null!==i){const e=i$(i);e&&(this._offset=e.offset,this._length=e.length)}this._orchestrator=new iZ({maxCacheSize:t.maxCacheSize??0x4000000,maxWorkerCount:t.parallelism??2,runWorker:this._runWorker.bind(this),prefetchProfile:iY.network})}_getFileSize(){if(!this._fileSizeDetermined)return null!==this._length?this._length:void 0;let e=this._sequentialBacking?this._sequentialBacking._endIndex:this._orchestrator.fileSize;return null===e?null!==this._length?this._length:null:(0,B.qE)(e-this._offset,0,this._length??1/0)}_read(e,t,i,r){if(null!==this._length&&t>this._length)return null;let a=this._offset,s=this._sequentialBacking?this._sequentialBacking._read(a+e,a+t):this._orchestrator.read(a+e,a+t,Math.max(a+i,a),a+Math.min(r,this._length??1/0)),n=e=>e?(e.offset-=this._offset,e):null;return s instanceof Promise?s.then(n):n(s)}async _runWorker(e){for(;;){let t=new AbortController,i=await (0,B.G8)(this._options.fetchFn??fetch,this._url,(0,B._h)(this._requestInit,{headers:{Range:`bytes=${e.currentPos}-`},signal:t.signal}),this._getRetryDelay,()=>this._disposed);if(!i.ok)throw Error(`Error fetching ${String(this._url)}: ${i.status} ${i.statusText}`);i.redirected&&(this.rootPath=i.url);t:if(null===this._orchestrator.fileSize){let t=i.headers.get("Content-Range");if(t){let e=/\/(\d+)/.exec(t);

1if(e){this._orchestrator.supplyFileSize(Number(e[1]));break t}}let r=i.headers.get("Content-Length");if(r){let t=206===i.status?e.currentPos:0;this._orchestrator.supplyFileSize(t+Number(r))}}if(this._fileSizeDetermined=!0,!i.body)throw Error("Missing HTTP response body stream. The used fetch function must provide the response body as a ReadableStream.");if(206!==i.status){if(this._sequentialBacking)return void i.body.cancel();if(!this._usedForHls){let e=new URL(this._url instanceof Request?this._url.url:this._url,"u">typeof window?window.location.href:void 0);"null"===e.origin||e.pathname.endsWith(".m3u8")||e.pathname.endsWith(".m3u")||iq.has(e.origin)||(E.y._warn(`HTTP server (origin ${e.origin}) did not respond to a range request with 206 Partial Content, meaning the resource will now be streamed sequentially, with old data being evicted from the cache. Reads into evicted regions will throw. To enable efficient media file streaming across a network, please make sure your server supports range requests. Alternatively, set maxCacheSize to Infinity in the UrlSource options to keep the entire resource in memory.`),iq.add(e.origin))}this._transitionToSequentialMode(i.body);return}let r=i.body.getReader();for(;;){let i;if(e.currentPos>=e.targetPos||e.aborted){t.abort(),this._orchestrator.signalWorkerStoppedRunning(e);return}try{i=await r.read()}catch(t){if(this._disposed)throw t;let e=this._getRetryDelay(1,t,this._url);if(null!==e){E.y._error("Error while reading response stream. Attempting to resume.",t),await (0,B.uk)(1e3*e);break}throw t}if(e.aborted)continue;let{done:a,value:s}=i;if(a){if(e.currentPos>=e.targetPos||!e.strictTarget)return void this._orchestrator.onWorkerFinished(e);break}this._dispatchRead(e.currentPos,e.currentPos+s.length),this._orchestrator.supplyWorkerData(e,s)}}}_transitionToSequentialMode(e){let t=e.getReader(),i=0,r=0,a=new iG(new ReadableStream({pull:async e=>{for(;;){let a;try{a=await t.read()}catch(s){if(this._disposed)throw s;let e=this._getRetryDelay(1,s,this._url);if(null===e)throw s;E.y._error("Error while reading response stream. Attempting to resume.",s),await (0,B.uk)(1e3*e);let a=await (0,B.G8)(this._options.fetchFn??fetch,this._url,(0,B._h)(this._requestInit,{headers:{Range:`bytes=${i}-`}}),this._getRetryDelay,()=>this._disposed);if(!a.ok)throw Error(`Error fetching ${String(this._url)}: ${a.status} ${a.statusText}`);if(!a.body)throw Error("Missing HTTP response body stream. The used fetch function must provide the response body as a ReadableStream.");t=a.body.getReader(),r=206===a.status?0:i;continue}if(a.done)return void e.close();let s=a.value;if(r>0){let e=Math.min(r,s.length);r-=e,s=s.subarray(e)}if(0!==s.length){i+=s.length,e.enqueue(s);return}}},cancel:()=>t.cancel()}),{maxCacheSize:this._orchestrator.options.maxCacheSize});a._endIndex=this._orchestrator.fileSize,a._cacheMissErrorMessage="Attempted to read data from an already-evicted part of the cache. Because the HTTP server did not honor the range request, data can only be read sequentially, with old data being evicted from the cache. To fix this issue, either ensure your server responds to range requests with 206 Partial Content, or set maxCacheSize to Infinity in the UrlSource options. Note that the latter will store the entire file in the cache if needed, no matter how large.",a.on("read",({start:e,end:t})=>this._dispatchRead(e,t)),this._sequentialBacking=a;let s=new Set;for(let e of this._orchestrator.workers){for(let t of e.pendingSlices)s.add(t);e.aborted=!0,e.pendingSlices.length=0}for(let e of this._orchestrator.queuedReads)for(let t of e.pendingSlices)s.add(t);for(let e of(this._orchestrator.workers.length=0,this._orchestrator.queuedReads.length=0,s)){let t=a._read(e.start,e.start+e.bytes.length);t instanceof Promise?t.then(t=>{t?((0,B.vA)(t.offset===e.start),e.resolve(t.bytes)):e.resolve(null)},t=>e.reject(t)):((0,B.vA)(null===t),e.resolve(null))}}_dispose(){this._orchestrator.dispose(),this._sequentialBacking&&(this._sequentialBacking._disposed=!0,this._sequentialBacking._dispose())}}let iK=/^bytes=(\d+)-(\d*)$/,i$=e=>{let t=iK.exec(e.trim());if(!t)return null;let i=Number(t[1]),r=""===t[2]?null:Number(t[2]);return null!==r&&r<i?null:{offset:i,length:null!==r?r-i+1:null}};class ij extends iO{constructor(e,t={}){if("string"!=typeof e)throw TypeError("filePath must be a string.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.maxCacheSize&&(!(0,B.Et)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");if(!iM.fs)throw Error("FilePathSource is only available in server-side environments (Node.js, Bun, Deno).");super(e,e=>new ij(e.path,t)),this._fileHandle=null,this._customSource=new iQ({getSize:async()=>{let t=await iM.fs.open(e,"r");return this._fileHandle=t,iD?.register(this,()=>{t.close()},this),(await t.stat()).size},read:async(e,t)=>{(0,B.vA)(this._fileHandle);let i=new Uint8Array(t-e);return await this._fileHandle.read(i,0,t-e,e),i},maxCacheSize:t.maxCacheSize,prefetchProfile:"fileSystem"})}_read(e,t,i,r){return this._customSource._read(e,t,i,r)}_getFileSize(){return this._customSource._getFileSize()}_dispose(){this._customSource._dispose(),this._fileHandle&&(this._fileHandle.close(),this._fileHandle=null,iD?.unregister(this))}}class iQ extends iU{constructor(e){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if("function"!=typeof e.getSize)throw TypeError("options.getSize must be a function.");

1if("function"!=typeof e.read)throw TypeError("options.read must be a function.");if(void 0!==e.dispose&&"function"!=typeof e.dispose)throw TypeError("options.dispose, when provided, must be a function.");if(void 0!==e.maxCacheSize&&(!(0,B.Et)(e.maxCacheSize)||e.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");if(e.prefetchProfile&&!["none","fileSystem","network"].includes(e.prefetchProfile))throw TypeError("options.prefetchProfile, when provided, must be one of 'none', 'fileSystem' or 'network'.");super(),this._options=e,this._orchestrator=new iZ({maxCacheSize:e.maxCacheSize??8388608,maxWorkerCount:2,prefetchProfile:iY[e.prefetchProfile??"none"],runWorker:this._runWorker.bind(this)})}_getFileSize(){return this._orchestrator.fileSize??void 0}_read(e,t,i,r){if(null!==this._orchestrator.fileSize)return this._orchestrator.read(e,t,i,r);let a=this._options.getSize();if(a instanceof Promise)return a.then(a=>{if(!Number.isInteger(a)||a<0)throw TypeError("options.getSize must return or resolve to a non-negative integer.");return this._orchestrator.fileSize=a,this._orchestrator.read(e,t,i,r)});if(!Number.isInteger(a)||a<0)throw TypeError("options.getSize must return or resolve to a non-negative integer.");return this._orchestrator.fileSize=a,this._orchestrator.read(e,t,i,r)}async _runWorker(e){for(;e.currentPos<e.targetPos&&!e.aborted;){let t=e.currentPos,i=e.targetPos,r=this._options.read(e.currentPos,i);if(r instanceof Promise&&(r=await r),e.aborted)break;if(r instanceof Uint8Array){if((r=(0,B.Fo)(r)).length!==i-e.currentPos)throw Error(`options.read returned a Uint8Array with unexpected length: Requested ${i-e.currentPos} bytes, but got ${r.length}.`);this._dispatchRead(e.currentPos,e.currentPos+r.length),this._orchestrator.supplyWorkerData(e,r)}else if(r instanceof ReadableStream){let a=r.getReader();for(;e.currentPos<i&&!e.aborted;){let{done:r,value:s}=await a.read();if(r){if(e.currentPos<i)throw Error(`ReadableStream returned by options.read ended before supplying enough data. Requested ${i-t} bytes, but got ${e.currentPos-t}`);break}if(!(s instanceof Uint8Array))throw TypeError("ReadableStream returned by options.read must yield Uint8Array chunks.");if(e.aborted)break;let n=(0,B.Fo)(s);this._dispatchRead(e.currentPos,e.currentPos+n.length),this._orchestrator.supplyWorkerData(e,n)}}else throw TypeError("options.read must return or resolve to a Uint8Array or a ReadableStream.")}this._orchestrator.signalWorkerStoppedRunning(e)}_dispose(){this._orchestrator.dispose(),this._options.dispose?.()}}let iX=iQ;class iG extends iU{constructor(e,t={}){if(!(e instanceof ReadableStream))throw TypeError("stream must be a ReadableStream.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.maxCacheSize&&(!(0,B.Et)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");super(),this._reader=null,this._cache=[],this._pendingSlices=[],this._currentIndex=0,this._targetIndex=0,this._maxRequestedIndex=0,this._endIndex=null,this._pulling=!1,this._cacheMissErrorMessage="Attempted to read data from an already-evicted part of the cache. With ReadableStreamSource, you must access the data more sequentially or increase the size of its cache.",this._stream=e,this._maxCacheSize=t.maxCacheSize??0x2000000}_getFileSize(){return this._endIndex}_read(e,t){if(null!==this._endIndex&&t>this._endIndex)return null;this._maxRequestedIndex=Math.max(this._maxRequestedIndex,t);let i=(0,B.eE)(this._cache,e,e=>e.start),r=-1!==i?this._cache[i]:null;if(r&&r.start<=e&&t<=r.end)return{bytes:r.bytes,view:r.view,offset:r.start};let a=e,s=new Uint8Array(t-e);if(-1!==i)for(let r=i;r<this._cache.length;r++){let i=this._cache[r];if(i.start>=t)break;let n=Math.max(e,i.start);n>a&&this._throwDueToCacheMiss();let o=Math.min(t,i.end);n<o&&(s.set(i.bytes.subarray(n-i.start,o-i.start),n-e),a=o)}if(a===t)return{bytes:s,view:(0,B.Zc)(s),offset:e};this._currentIndex>a&&this._throwDueToCacheMiss();let{promise:n,resolve:o,reject:l}=(0,B.nJ)();return this._pendingSlices.push({start:e,end:t,bytes:s,resolve:o,reject:l}),this._targetIndex=Math.max(this._targetIndex,t),this._pulling||(this._pulling=!0,this._pull().catch(e=>{if(this._pulling=!1,this._pendingSlices.length>

10)this._pendingSlices.forEach(t=>t.reject(e)),this._pendingSlices.length=0;else throw e})),n}_throwDueToCacheMiss(){throw Error(this._cacheMissErrorMessage)}async _pull(){for(this._reader??=this._stream.getReader();this._currentIndex<this._targetIndex&&!this._disposed;){let{done:e,value:t}=await this._reader.read();if(e){for(let e of this._pendingSlices)e.resolve(null);this._pendingSlices.length=0,this._endIndex=this._currentIndex;break}let i=this._currentIndex,r=this._currentIndex+t.byteLength;this._dispatchRead(i,r);for(let e=0;e<this._pendingSlices.length;e++){let a=this._pendingSlices[e],s=Math.max(i,a.start),n=Math.min(r,a.end);s<n&&(a.bytes.set(t.subarray(s-i,n-i),s-a.start),n===a.end&&(a.resolve({bytes:a.bytes,view:(0,B.Zc)(a.bytes),offset:a.start}),this._pendingSlices.splice(e,1),e--))}for(this._cache.push({start:i,end:r,bytes:t,view:(0,B.Zc)(t),age:0});this._cache.length>0;){let e=this._cache[0];if(this._maxRequestedIndex-e.end<=this._maxCacheSize)break;this._cache.shift()}this._currentIndex+=t.byteLength}this._pulling=!1}_dispose(){for(let e of this._pendingSlices)e.reject(new at);this._pendingSlices.length=0,this._cache.length=0,this._reader?.cancel()}}let iY={none:(e,t)=>({start:e,end:t}),fileSystem:(e,t)=>({start:e=65536*Math.floor((e-65536)/65536),end:t=65536*Math.ceil((t+65536)/65536)}),network:(e,t,i)=>{for(let r of(e=Math.max(0,65536*Math.floor((e-65536)/65536)),i)){let i=Math.max((r.startPos+r.targetPos)/2,r.targetPos-8388608);if((0,B.oX)(e,t,i,r.targetPos)){let e=r.targetPos-r.startPos,i=8388608*Math.ceil((e+1)/8388608),a=Math.min(2**Math.ceil(Math.log2(e+1)),i);t=Math.max(t,r.startPos+a)}}return t=Math.max(t,e+524288),{start:e,end:t}}};class iZ{constructor(e){this.options=e,this.fileSize=null,this.nextAge=0,this.workers=[],this.cache=[],this.currentCacheSize=0,this.disposed=!1,this.queuedReads=[]}read(e,t,i,r){(0,B.vA)(!this.disposed);let a=this.options.prefetchProfile(e,t,this.workers),s=Math.max(a.start,i),n=Math.min(a.end,this.fileSize??1/0,r);(0,B.vA)(s<=e&&t<=n);let o=null,l=(0,B.eE)(this.cache,e,e=>e.start),c=-1!==l?this.cache[l]:null;c&&c.start<=e&&t<=c.end&&(c.age=this.nextAge++,o={bytes:c.bytes,view:c.view,offset:c.start});let u=(0,B.eE)(this.cache,s,e=>e.start),d=o?null:new Uint8Array(t-e),h=0,m=s,f=[];if(-1!==u){for(let i=u;i<this.cache.length;i++){let r=this.cache[i];if(r.start>=n)break;if(r.end<=s)continue;let a=Math.max(s,r.start),o=Math.min(n,r.end);if((0,B.vA)(a<=o),m<a&&f.push({start:m,end:a}),m=o,d){let i=Math.max(e,r.start),a=Math.min(t,r.end);if(i<a){let t=i-e;d.set(r.bytes.subarray(i-r.start,a-r.start),t),t===h&&(h=a-e)}}r.age=this.nextAge++}m<n&&f.push({start:m,end:n})}else f.push({start:s,end:n});if(d&&h>=d.length&&(o={bytes:d,view:(0,B.Zc)(d),offset:e}),0===f.length)return(0,B.vA)(o),o;let{promise:p,resolve:g,reject:k}=(0,B.nJ)(),y=[];for(let i of f){let r=Math.max(e,i.start),a=Math.min(t,i.end);r===i.start&&a===i.end?y.push(i):r<a&&y.push({start:r,end:a})}let w=d&&{start:e,bytes:d,holes:y,resolve:g,reject:k};t:for(let e of f){for(let t of this.workers)if(this.checkHoleAgainstWorker(t,e,w?[w]:[])){this.checkQueuedReadsAgainstWorker(t);continue t}let t=e.end<n||null!==this.fileSize,i=this.createWorker(e.start,e.end,t);if(i)w&&(i.pendingSlices=[w]),this.runWorker(i);else{let i=(0,B.eE)(this.queuedReads,e.start,e=>e.hole.start),r=-1!==i?this.queuedReads[i]:null;for(r&&e.start<=r.hole.end?(r.hole.end=Math.max(r.hole.end,e.end),r.strictTarget&&=t,w&&r.pendingSlices.push(w)):(i++,r={hole:{start:e.start,end:e.end},strictTarget:t,pendingSlices:w?[w]:[],age:this.nextAge++},this.queuedReads.splice(i,0,r));i+1<this.queuedReads.length;){let e=this.queuedReads[i+1];if(e.hole.start>r.hole.end)break;r.hole.end=Math.max(r.hole.end,e.hole.end),r.pendingSlices.push(...e.pendingSlices),r.strictTarget&&=e.strictTarget,r.age=Math.min(r.age,e.age),this.queuedReads.splice(i+1,1)}}}return o?p.catch(e=>{if(!this.disposed)throw e}):((0,B.vA)(d),o=p.then(t=>t&&{bytes:t,view:(0,B.Zc)(t),offset:e})),o}checkHoleAgainstWorker(e,t,i){if((0,B.oX)(t.start-131072,t.start,e.currentPos,e.targetPos)){e.targetPos=Math.max(e.targetPos,t.end);for(let t=0;t<i.length;t++){let r=i[t];e.pendingSlices.includes(r)||e.pendingSlices.push(r)}return e.running||this.runWorker(e),!0}return!1}checkQueuedReadsAgainstWorker(e){let t=!1;for(let i=0;i<this.queuedReads.length;i++){let r=this.queuedReads[i];if(this.checkHoleAgainstWorker(e,r.hole,r.pendingSlices))this.queuedReads.splice(i,1),i--,t=!0;else if(t)break}}createWorker(e,t,i){if(this.workers.length>=this.options.maxWorkerCount){let e=null,t=null;for(let i=0;i<this.workers.length;i++){let r=this.workers[i];r.running||0!==r.pendingSlices.length||e&&!(r.age<e.age)||(t=i,e=r)}if(!e)return null;(0,B.vA)(null!==t),(0,B.vA)(0===e.pendingSlices.length),this.workers.splice(t,1)}let r={startPos:e,currentPos:e,targetPos:t,strictTarget:i,running:!1,aborted:this.disposed,pendingSlices:[],age:this.nextAge++};return this.workers.push(r),r}runWorker(e){(0,B.vA)(!e.running),(0,B.vA)(e.currentPos<e.targetPos),e.running=!0,e.age=this.nextAge++,this.options.runWorker(e).

1catch(t=>{if(e.running=!1,e.pendingSlices.length>0)e.pendingSlices.forEach(e=>e.reject(t)),e.pendingSlices.length=0;else if(!e.aborted&&!this.disposed)throw t}).finally(()=>{if(!e.running&&this.queuedReads.length>0){let e=0;for(let t=1;t<this.queuedReads.length;t++)this.queuedReads[t].age<this.queuedReads[e].age&&(e=t);let t=this.queuedReads[e],i=this.createWorker(t.hole.start,t.hole.end,t.strictTarget);i&&(this.queuedReads.splice(e,1),i.pendingSlices=t.pendingSlices,this.runWorker(i))}})}supplyWorkerData(e,t){(0,B.vA)(!e.aborted);let i=e.currentPos,r=i+t.length;this.insertIntoCache({start:i,end:r,bytes:t,view:(0,B.Zc)(t),age:this.nextAge++}),e.currentPos+=t.length,e.currentPos>e.targetPos&&(e.targetPos=e.currentPos,this.checkQueuedReadsAgainstWorker(e));for(let a=0;a<e.pendingSlices.length;a++){let s=e.pendingSlices[a],n=Math.max(i,s.start),o=Math.min(r,s.start+s.bytes.length);n<o&&s.bytes.set(t.subarray(n-i,o-i),n-s.start);for(let e=0;e<s.holes.length;e++){let t=s.holes[e];i<=t.start&&r>t.start&&(t.start=r),t.end<=t.start&&(s.holes.splice(e,1),e--)}0===s.holes.length&&(s.resolve(s.bytes),e.pendingSlices.splice(a,1),a--)}for(let t=0;t<this.workers.length;t++){let a=this.workers[t];e!==a&&!a.running&&(0,B.oX)(i,r,a.currentPos,a.targetPos)&&(this.workers.splice(t,1),t--)}}supplyFileSize(e){for(let t of((0,B.vA)(null===this.fileSize),this.fileSize=e,this.workers)){t.targetPos=Math.min(t.targetPos,e),t.strictTarget=!0;for(let i=0;i<t.pendingSlices.length;i++){let r=t.pendingSlices[i];for(let a of r.holes)if(a.end>e){r.resolve(null),t.pendingSlices.splice(i,1),i--;break}}}for(let t=0;t<this.queuedReads.length;t++){let i=this.queuedReads[t];if(i.hole.start>=e){for(let e of i.pendingSlices)e.resolve(null);this.queuedReads.splice(t,1),t--}else if(i.hole.end>e){i.hole.end=e,i.strictTarget=!0;for(let t=0;t<i.pendingSlices.length;t++){let r=i.pendingSlices[t];r.start>=e&&(r.resolve(null),i.pendingSlices.splice(t,1),t--)}}}}signalWorkerStoppedRunning(e){e.running=!1,e.aborted||(e.pendingSlices.length=0)}onWorkerFinished(e){let t=this.workers.indexOf(e);for(let i of((0,B.vA)(-1!==t),e.running=!1,this.workers.splice(t,1),null===this.fileSize&&this.supplyFileSize(e.currentPos),e.pendingSlices))i.resolve(null)}insertIntoCache(e){if(0===this.options.maxCacheSize)return;let t=(0,B.eE)(this.cache,e.start,e=>e.start)+1;if(t>0){let i=this.cache[t-1];if(i.end>=e.end)return;if(i.end>e.start){let r=new Uint8Array(e.end-i.start);r.set(i.bytes,0),r.set(e.bytes,e.start-i.start),this.currentCacheSize+=e.end-i.end,i.bytes=r,i.view=(0,B.Zc)(r),i.end=e.end,t--,e=i}else this.cache.splice(t,0,e),this.currentCacheSize+=e.bytes.length}else this.cache.splice(t,0,e),this.currentCacheSize+=e.bytes.length;for(let i=t+1;i<this.cache.length;i++){let t=this.cache[i];if(e.end<=t.start)break;if(e.end>=t.end){this.cache.splice(i,1),this.currentCacheSize-=t.bytes.length,i--;continue}let r=new Uint8Array(t.end-e.start);r.set(e.bytes,0),r.set(t.bytes,t.start-e.start),this.currentCacheSize-=e.end-t.start,e.bytes=r,e.view=(0,B.Zc)(r),e.end=t.end,this.cache.splice(i,1);break}for(;this.currentCacheSize>this.options.maxCacheSize;){let e=0,t=this.cache[0];for(let i=1;i<this.cache.length;i++){let r=this.cache[i];r.age<t.age&&(e=i,t=r)}if(this.currentCacheSize-t.bytes.length<=this.options.maxCacheSize)break;this.cache.splice(e,1),this.currentCacheSize-=t.bytes.length}}dispose(){for(let e of this.workers){for(let t of e.pendingSlices)t.reject(new at);e.pendingSlices.length=0,e.aborted=!0}for(let e of this.queuedReads)for(let t of e.pendingSlices)t.reject(new at);this.workers.length=0,this.cache.length=0,this.queuedReads.length=0,this.disposed=!0}}class iJ extends iU{constructor(e,t,i){if(super(),this._ref=null,e._disposed)throw Error("Cannot create a slice of a disposed source.");this._baseSource=e,this._offset=t,this._length=i??null}_getFileSize(){let e=this._baseSource._getFileSize();if(void 0===e)return null!==this._length?this._length:void 0;if(null===e)if(null!==this._length)return this._length;else return null;return(0,B.qE)(e-this._offset,0,this._length??1/0)}_read(e,t,i,r){if(null!==this._length&&t>this._length)return null;let a=this._baseSource._read(this._offset+e,this._offset+t,this._offset+i,this._offset+r),s=e=>e?(e.offset-=this._offset,e):null;return a instanceof Promise?a.then(s):s(a)}_dispose(){this._ref?.free()}ref(){return this._ref??=this._baseSource.ref(),super.ref()}}var i0=function(e,t,i){if(null!=t){var r,a;if("object"!=typeof t&&"function"!=typeof t)throw TypeError("Object expected.");

1if(i){if(!Symbol.asyncDispose)throw TypeError("Symbol.asyncDispose is not defined.");r=t[Symbol.asyncDispose]}if(void 0===r){if(!Symbol.dispose)throw TypeError("Symbol.dispose is not defined.");r=t[Symbol.dispose],i&&(a=r)}if("function"!=typeof r)throw TypeError("Object not disposable.");a&&(r=function(){try{a.call(this)}catch(e){return Promise.reject(e)}}),e.stack.push({value:t,dispose:r,async:i})}else i&&e.stack.push({async:!0});return t},i1=(m="function"==typeof SuppressedError?SuppressedError:function(e,t,i){var r=Error(i);return r.name="SuppressedError",r.error=e,r.suppressed=t,r},function(e){function t(t){e.error=e.hasError?new m(t,e.error,"An error was suppressed during disposal."):t,e.hasError=!0}var i,r=0;return function a(){for(;i=e.stack.pop();)try{if(!i.async&&1===r)return r=0,e.stack.push(i),Promise.resolve().then(a);if(i.dispose){var s=i.dispose.call(i.value);if(i.async)return r|=2,Promise.resolve(s).then(a,function(e){return t(e),a()})}else r|=1}catch(e){t(e)}if(1===r)return e.hasError?Promise.reject(e.error):Promise.resolve();if(e.hasError)throw e.error}()});let i2=/^0[xX][0-9a-fA-F]+$/,i3=/^data:.*;base64,/i;class i8 extends iC{constructor(e,t,i,r){super(e.input,t,i),this.segments=[],this.nextLines=null,this.currentUpdateSegmentsPromise=null,this.streamHasEnded=!1,this.lastSegmentUpdateTime=-1/0,this.refreshInterval=5,this.rootPath=t,this.demuxer=e,this.nextLines=r}runUpdateSegments(){return this.currentUpdateSegmentsPromise??=(async()=>{try{let e=this.getRemainingWaitTimeMs();e>0&&await (0,B.uk)(e),this.lastSegmentUpdateTime=performance.now(),await this.updateSegments()}finally{this.currentUpdateSegmentsPromise=null}})()}getRemainingWaitTimeMs(){let e=performance.now()-this.lastSegmentUpdateTime,t=Math.max(0,1e3*this.refreshInterval-e);return t<=50?0:t}async updateSegments(){let e=this.nextLines;if(this.nextLines=null,!e){let t={stack:[],error:void 0,hasError:!1};try{let i=i0(t,await this.demuxer.input._getSourceUncached({path:this.rootPath,isRoot:!1}),!1),r=new ai(i.source),a=await r.requestEntireFile();(0,B.vA)(a),e=aS(a,a.length,{ignore:i_}),i.source instanceof iO&&(this.rootPath=i.source.rootPath)}catch(e){t.error=e,t.hasError=!0}finally{i1(t)}}let t=this.input._formatOptions.hls?.offsetTimestampsByDateTime!==!1,i=!1,r=0,a=null,s=null,n=null,o=0,l=null,c=null,u=null,d=null,h=null,m=null,f=!1,p=(0,B._g)(this.segments)??null,g=e=>{let t=e.indexOf("@"),i=Number(-1===t?e:e.slice(0,t));if(!Number.isInteger(i)||i<0)throw Error(`Invalid #EXT-X-BYTERANGE length '${e}'.`);let r=null;if(-1!==t&&(!Number.isInteger(r=Number(e.slice(t+1)))||r<0))throw Error(`Invalid #EXT-X-BYTERANGE offset '${e}'.`);return{length:i,offset:r}},k=e=>{o=e,p&&((0,B.vA)(null!==p.sequenceNumber),p.sequenceNumber<e&&(r=p.timestamp+p.duration,l=p.firstSegment,c=p.initSegment,h=p.lastProgramDateTimeSeconds,a=null!==p.unixEpochTimestamp?p.unixEpochTimestamp+p.duration:null,p=null))};for(let y=0;y<e.length;y++){let w=e[y];if(!i){if("#EXTM3U"!==w)throw Error("Invalid M3U8 file; expected first line to be #EXTM3U.");i=!0;continue}if(!w.startsWith("#")){if(!p){if(null===s)throw Error("Invalid M3U8 file; a segment must be preceded by an #EXTINF tag.");let e=n;if(e&&"AES-128"===e.method&&!e.iv){let t=new Uint8Array(16),i=(0,B.Zc)(t);i.setUint32(8,Math.floor(o/0x100000000)),i.setUint32(12,o),e={...e,iv:t}}let t={path:(0,B.HS)(this.rootPath,w),offset:d?.offset??0,length:d?.length??null},i={timestamp:r,unixEpochTimestamp:a,firstSegment:l,sequenceNumber:o,location:t,duration:s,encryption:e,initSegment:c,lastProgramDateTimeSeconds:h};l??=i,r+=s,null!==a&&(a+=s),this.segments.push(i)}s=null,null===d?u=null:d=null,k(o+1)}if(w.startsWith(ik)){if(p){f=!0;continue}f||(null===h&&o>0&&null!==m&&(r=o*m),f=!0);let e=w.slice(ik.length),t=e.indexOf(","),i=-1===t?e:e.slice(0,t),a=Number(i);if(!Number.isFinite(a)||a<0)throw Error(`Invalid #EXTINF tag duration '${i}'.`);s=a}else if(w.startsWith(iy)){let e=new iI(w.slice(iy.length)),t=e.get("uri");if(!t)throw Error("Invalid #EXT-X-MAP tag; missing URI attribute.");let i=e.get("byterange"),o=null;if(null!==i&&(o=g(i)),o&&null===o.offset)throw Error("Invalid #EXT-X-MAP tag; BYTERANGE attribute must have a specified offset.");if(!p){let e={path:(0,B.HS)(this.rootPath,t),offset:o?.offset??0,length:o?.length??null};if(n?.method==="AES-128"&&!n.iv)throw Error("IV attribute must be set on #EXT-X-KEY tag preceding the #EXT-X-MAP tag.");c={timestamp:r,unixEpochTimestamp:a,firstSegment:null,sequenceNumber:null,location:e,duration:0,encryption:n,initSegment:null,lastProgramDateTimeSeconds:h}}s=null,null===d?u=null:d=null}else if(w.startsWith(iw)){let e=new iI(w.slice(iw.length)),t=e.get("method");if("NONE"===t)n=null;else if("AES-128"===t){let t=e.get("uri");if(!t)throw Error("Invalid #EXT-X-KEY: AES-128 requires a URI attribute.");let i=null,r=e.get("iv");if(r){if(!i2.test(r))throw Error(`Unsupported IV format '${r}'.`);let e=r.slice(2);e=e.padStart(32,"0"),i=new Uint8Array(16);for(let t=0;t<16;t++){let r=-32+t;i[t]=parseInt(e.slice(r,r+2),16)}}let a=e.get("keyformat")??"identity";if("identity"!==a)throw Error("For AES-128 encryption, only the 'identity' KEYFORMAT is currently supported. If you think other formats should be supported, please raise an issue.");n={method:"AES-128",keyUri:(0,B.HS)(this.rootPath,t),iv:i,keyFormat:a}}else if("SAMPLE-AES"===t||"SAMPLE-AES-CTR"===t){let i=e.get("uri");if(!i)throw Error(`Invalid #EXT-X-KEY: ${t} requires a URI attribute.`);if("identity"===(e.get("keyformat")??"identity"))throw Error("For SAMPLE-AES and SAMPLE-AES-CTR encryption, the 'identity' KEYFORMAT is not supported. If you think this format should be supported, please raise an issue.");let r=null;if(i3.test(i)){let e=i.indexOf(","),t=(0,B.Kp)(i.slice(e+1));if(t.length>=8&&112===t[4]&&115===t[5]&&115===t[6]&&104===t[7]){let e=(0,B.Zc)(t).getUint32(0);r=eN(t.subarray(8,Math.min(e,t.length)))}}n={method:t,psshBox:r}}else throw Error(`Unsupported encryption method '${t}'. If you think this method should be supported, please raise an issue.`)}else if(w.startsWith(ib)){let e=w.slice(ib.length),t=Number(e);if(!Number.isInteger(t)||t<0)throw Error(`Invalid EXT-X-MEDIA-SEQUENCE value '${e}'.`);k(t)}else if(w.startsWith(iT)){let e=g(w.slice(iT.length));if(null===e.offset){if(null===u)throw Error("Invalid M3U8 file; #EXT-X-BYTERANGE without offset requires a previous byte range.");e.offset=u}d=e,u=e.offset+e.length}else if(w.startsWith(iS)){if(p)continue;let e=Date.parse(w.slice(iS.length));if(!Number.isFinite(e))continue;let i=e/1e3;if(h===i)continue;if(null===h&&this.segments.length>0){let e=(0,B._g)(this.segments),r=i-(e.timestamp+e.duration);for(let e of this.segments)e.unixEpochTimestamp=e.timestamp+r,t&&(e.timestamp=e.unixEpochTimestamp)}h=i,a=i,t&&(r=i)}else if("#EXT-X-DISCONTINUITY"===w)l=null;else if(w.startsWith(iv)){let e=w.slice(iv.length),t=Number(e);if(!Number.isFinite(t)||t<0)throw Error(`Invalid EXT-X-TARGETDURATION value '${e}'.`);this.refreshInterval=t,m=t}else if("#EXT-X-ENDLIST"===w){this.streamHasEnded=!0;break}else w.startsWith(iP)&&"vod"===w.slice(iP.length).toLowerCase()&&(this.streamHasEnded=!0)}if(!i)throw Error("Invalid M3U8 file; no #EXTM3U header.")}async getFirstSegment(){return 0===this.segments.length&&await this.runUpdateSegments(),this.segments[0]??null}async getSegmentAt(e,t){0===this.segments.length&&await this.runUpdateSegments();let i=!!t.skipLiveWait&&this.getRemainingWaitTimeMs()>0;for(;;){let r=(0,B.eE)(this.segments,e,e=>e.timestamp);if(-1===r)return null;if(r<this.segments.length-1||this.streamHasEnded||i)return this.segments[r];let a=this.segments[r];if(e<a.timestamp+a.duration)return a;await this.runUpdateSegments(),t.skipLiveWait&&(i=!0)}}async getNextSegment(e,t){let i=this.segments.indexOf(e);(0,B.vA)(-1!==i);let r=i+1,a=!!t.skipLiveWait&&this.getRemainingWaitTimeMs()>0;for(;;){if(r<this.segments.length)return this.segments[r];if(this.streamHasEnded||a)return null;await this.runUpdateSegments(),t.skipLiveWait&&(a=!0)}}async getPreviousSegment(e){let t=this.segments.indexOf(e);return(0,B.vA)(-1!==t),this.segments[t-1]??null}getInputForSegment(e){let t=this.inputCache.find(t=>t.segment===e);if(t)return t.age=this.nextInputCacheAge++,t.input;let i=null;(e.initSegment||e.firstSegment)&&(i=this.getInputForSegment(e.initSegment??e.firstSegment));let r={...this.input._formatOptions,isobmff:{...this.input._formatOptions.isobmff,resolveKeyId:this.input._formatOptions.isobmff?.resolveKeyId&&

1(t=>{if(!e.encryption||"SAMPLE-AES"!==e.encryption.method&&"SAMPLE-AES-CTR"!==e.encryption.method||!e.encryption.psshBox)return this.input._formatOptions.isobmff.resolveKeyId(t);let i=t.psshBoxes,{psshBox:r}=e.encryption;return(null===r.keyIds||r.keyIds.includes(t.keyId))&&!i.some(e=>eW(e,r))&&(i=[...i,r]),this.input._formatOptions.isobmff.resolveKeyId({...t,psshBoxes:i})})}},a=new r9({source:new iL(e.location.path,async t=>{let i;(0,B.vA)(t.isRoot);let r={...t,isRoot:!1},a=e.location.offset>0||null!==e.location.length;if(e.encryption&&"SAMPLE-AES"!==e.encryption.method&&"SAMPLE-AES-CTR"!==e.encryption.method)if("AES-128"===e.encryption.method){var s,n,o;let t,l,c,u=e.encryption;(0,B.vA)(u.iv);let d=await this.input._getSourceCached(r);if(a){let t=d.source.slice(e.location.offset,e.location.length??void 0).ref();d.free(),d=t}let h=(s=new ai(d.source),n=async()=>{let e={stack:[],error:void 0,hasError:!1};try{let t=i0(e,await this.input._getSourceCached({path:u.keyUri,isRoot:!1},r7),!1),i=new ai(t.source),r=await i.requestSlice(0,16);if(!r)throw Error("Invalid AES-128 key; expected at least 16 bytes of data.");return{key:as(r,16),iv:u.iv}}catch(t){e.error=t,e.hasError=!0}finally{i1(e)}},o=()=>{d.free()},t=!1,l=0,c=new e1,new ReadableStream({pull:async e=>{t||(c.init(await n()),t=!0);let i=s.requestSliceRange(l,0,65552);if(i instanceof Promise&&(i=await i),!i||0===i.length)throw Error("Invalid ciphertext.");let r=i.length;if(r%16!=0)throw Error("Invalid ciphertext.");let a=65552===r?r-16:r,u=as(i,a),d=new Uint8Array(a);for(let e=0;e<a;e+=16)c.in.set(u.subarray(e,e+16)),c.decrypt(),d.set(c.out,e);if(a<r)e.enqueue(d),l+=a;else{let t=d[a-1];if(0===t||t>16)throw Error("Invalid PKCS#7 padding. Incorrect key or corrupted data.");let i=d.subarray(0,a-t);e.enqueue(i),e.close(),o()}},cancel:()=>{o()}}));i=new iG(h).ref()}else(0,B.vA)(!1);else if(i=await this.input._getSourceCached(r),a){let t=i.source.slice(e.location.offset,e.location.length??void 0).ref();i.free(),i=t}return i}),formats:this.input._formats.filter(e=>!(e instanceof rf)),initInput:i??void 0,formatOptions:r});if(a._onFormatDetermined=t=>{if((e.encryption?.method==="SAMPLE-AES"||e.encryption?.method==="SAMPLE-AES-CTR")&&!t._isIsobmff)throw Error("The SAMPLE-AES and SAMPLE-AES-CTR encryption methods are currently only supported for ISOBMFF files.")},this.inputCache.push({segment:e,input:a,age:this.nextInputCacheAge++}),this.inputCache.length>4){let e=(0,B.Yg)(this.inputCache,e=>e.age);(0,B.vA)(-1!==e),this.inputCache.splice(e,1)}return a}

1async getLiveRefreshInterval(){return 0===this.getRemainingWaitTimeMs()&&await this.runUpdateSegments(),this.streamHasEnded?null:this.refreshInterval}}class i4 extends ez{constructor(e){super(e),this.metadataPromise=null,this.trackBackings=null,this.internalTracks=null,this.segmentedInputs=[],this.hasMasterPlaylist=!0}readMetadata(){return this.metadataPromise??=(async()=>{(0,B.vA)(this.input._rootSource instanceof iO);let e=await this.input._reader.requestEntireFile();(0,B.vA)(e);let t=aS(e,e.length,{ignore:i_}),{rootPath:i}=this.input._rootSource,r=[],a=[];for(let e=1;e<t.length;e++){let s=t[e];if(s.startsWith(im)){let a=e,n=t[++e];if(void 0===n)throw Error("Incorrect M3U8 file; a line must follow the #EXT-X-STREAM-INF tag.");let o=(0,B.HS)(i,n),l=new iI(s.slice(im.length));if(null===l.getAsNumber("bandwidth"))throw Error("Invalid M3U8 file; #EXT-X-STREAM-INF tag requires a BANDWIDTH attribute with a valid numerical value.");r.push({fullPath:o,attributes:l,lineNumber:a,hasOnlyKeyPackets:!1})}else if(s.startsWith(ip)){let t=new iI(s.slice(ip.length)),a=t.get("uri");if(null===a)throw Error("Invalid M3U8 file; #EXT-X-I-FRAME-STREAM-INF tag requires a URI attribute.");if(null===t.getAsNumber("bandwidth"))throw Error("Invalid M3U8 file; #EXT-X-I-FRAME-STREAM-INF tag requires a BANDWIDTH attribute with a valid numerical value.");let n=(0,B.HS)(i,a);r.push({fullPath:n,attributes:t,lineNumber:e,hasOnlyKeyPackets:!0})}else if(s.startsWith(ig)){let t=new iI(s.slice(ig.length));if(null===t.get("type"))throw Error("Invalid M3U8 file; #EXT-X-MEDIA tag requires a TYPE attribute.");if(null===t.get("group-id"))throw Error("Invalid M3U8 file; #EXT-X-MEDIA tag requires a GROUP-ID attribute.");let r=null,n=t.get("uri");null!==n&&(r=(0,B.HS)(i,n)),a.push({fullPath:r,attributes:t,lineNumber:e})}else if("#EXT-X-I-FRAMES-ONLY"===s);else if(s.startsWith(ik)){let e=new i8(this,i,null,t);this.segmentedInputs=[e],this.hasMasterPlaylist=!1,this.trackBackings=await e.getTrackBackings();return}}let s=[...new Set(a.filter(e=>"video"===e.attributes.get("type").toLowerCase()).map(e=>e.attributes.get("group-id")))],n=[...new Set(a.filter(e=>"audio"===e.attributes.get("type").toLowerCase()).map(e=>e.attributes.get("group-id")))],o=await Promise.all(r.map(async(e,t)=>{let r,o=[],l=e.attributes.get("codecs");if(l)r=l.split(",").map(e=>e.trim());else{let t=this.getSegmentedInputForPath(e.fullPath),i=await t.getTrackBackings(),a=await Promise.all(i.map(async e=>({track:e,codec:await e.getCodec()})));r=await Promise.all(a.filter(e=>null!==e.codec).map(e=>e.track.getDecoderConfig().then(e=>e.codec)))}let c=e.attributes.get("video"),u=e.attributes.get("audio"),d=r.some(e=>O.WN.includes((0,O.oU)(e))),h=r.some(e=>O.PP.includes((0,O.oU)(e)));if(null!==c&&!d){if(!s.includes(c))throw Error(`Invalid M3U8 file; variant stream references video group "${c}" which is not defined in any #EXT-X-MEDIA tags.`);let e=a.find(e=>{let t=e.attributes.get("group-id"),i=e.attributes.get("type");return t===c&&"video"===i.toLowerCase()});t:if(e){let t=e.attributes.get("uri");if(null===t)break t;let a=(0,B.HS)(i,t),s=this.getSegmentedInputForPath(a),n=(await s.getTrackBackings()).find(e=>"video"===e.getType());if(!n||await n.getCodec()===null)break t;let o=await n.getDecoderConfig().then(e=>e?.codec??null);(0,B.vA)(null!==o),r.push(o)}}if(null!==u&&!h){if(!n.includes(u))throw Error(`Invalid M3U8 file; variant stream references audio group "${u}" which is not defined in any #EXT-X-MEDIA tags.`);let e=a.find(e=>{let t=e.attributes.get("group-id"),i=e.attributes.get("type");return t===u&&"audio"===i.toLowerCase()});t:if(e){let t=e.attributes.get("uri");if(null===t)break t;let a=(0,B.HS)(i,t),s=this.getSegmentedInputForPath(a),n=(await s.getTrackBackings()).find(e=>"audio"===e.getType());if(!n||await n.getCodec()===null)break t;let o=await n.getDecoderConfig().then(e=>e?.codec??null);(0,B.vA)(null!==o),r.push(o)}}r=[...new Set(r)];let m=null,f=null,p=e.attributes.getAsNumber("bandwidth");(0,B.vA)(null!==p);let g=e.attributes.getAsNumber("average-bandwidth"),k=e.attributes.get("name");for(let i of r){let r=(0,O.oU)(i);if(null!==r){if(O.WN.includes(r)){if(null!==m)throw Error("Unsupported M3U8 file; multiple video codecs found in the CODECS attribute of a variant stream.");m=i;let r=e.attributes.get("video");if(null===r){let i=e.attributes.get("resolution"),r=null,a=null;if(i){let e=i.match(/^(\d+)x(\d+)$/);e&&(r=Number(e[1]),a=Number(e[2]))}o.push({id:-1,demuxer:this,backingTrack:null,default:!0,autoselect:!0,languageCode:B.IR,lineNumber:e.lineNumber,fullPath:e.fullPath,fullCodecString:m,pairingMask:1n<<BigInt(t),peakBitrate:p,averageBitrate:g,name:k,hasOnlyKeyPackets:e.hasOnlyKeyPackets,info:{type:"video",width:r,height:a}})}else{if(!s.includes(r))throw Error(`Invalid M3U8 file; variant stream references video group "${r}" which is not defined in any #EXT-X-MEDIA tags.`);for(let i of a){let a=i.attributes.get("group-id"),s=i.attributes.get("type");if(a!==r||"video"!==s.toLowerCase())continue;let n=i.attributes.get("resolution")??e.attributes.get("resolution"),l=null,c=null;if(n){let e=n.match(/^(\d+)x(\d+)$/);e&&(l=Number(e[1]),c=Number(e[2]))}o.push({id:-1,demuxer:this,backingTrack:null,default:i9(i.attributes),autoselect:i9(i.attributes)||re(i.attributes),languageCode:rt(i.attributes.get("language")),lineNumber:i.lineNumber,fullPath:i.fullPath??e.fullPath,fullCodecString:m,pairingMask:1n<<BigInt(t),peakBitrate:null,averageBitrate:null,name:i.attributes.get("name"),hasOnlyKeyPackets:e.hasOnlyKeyPackets,info:{type:"video",width:l,height:c}})}}}else if(O.PP.includes(r)){if(null!==f)throw Error("Unsupported M3U8 file; multiple audio codecs found in the CODECS attribute of a variant stream.");f=i;let r=e.attributes.get("audio");if(null===r){let i=e.attributes.get("channels"),r=null!==i?Number(i.split("/")[0]):null;o.push({id:-1,demuxer:this,backingTrack:null,default:!0,autoselect:!0,languageCode:B.IR,lineNumber:e.lineNumber,fullPath:e.fullPath,fullCodecString:f,pairingMask:1n<<BigInt(t),peakBitrate:p,averageBitrate:g,name:k,hasOnlyKeyPackets:e.hasOnlyKeyPackets,info:{type:"audio",numberOfChannels:null!==r&&Number.isInteger(r)&&r>0?r:null}})}else{if(!n.includes(r))throw Error(`Invalid M3U8 file; variant stream references audio group "${r}" which is not defined in any #EXT-X-MEDIA tags.`);for(let i of a){let a=i.attributes.get("group-id"),s=i.attributes.get("type");if(a!==r||"audio"!==s.toLowerCase())continue;let n=i.attributes.get("channels")??e.attributes.get("channels"),l=null!==n?Number(n.split("/")[0]):null;o.push({id:-1,demuxer:this,backingTrack:null,default:i9(i.attributes),autoselect:i9(i.attributes)||re(i.attributes),languageCode:rt(i.attributes.get("language")),lineNumber:i.lineNumber,fullPath:i.fullPath??e.fullPath,fullCodecString:f,pairingMask:1n<<BigInt(t),peakBitrate:null,averageBitrate:null,name:i.attributes.get("name"),hasOnlyKeyPackets:e.hasOnlyKeyPackets,info:{type:"audio",numberOfChannels:null!==l&&Number.isInteger(l)&&l>0?l:null}})}}}}}return o}

1)),l=[],c=e=>{let t=l.find(t=>t.fullPath===e.fullPath&&t.info.type===e.info.type);t?(t.pairingMask|=e.pairingMask,t.default||=e.default,t.autoselect||=e.autoselect,t.lineNumber=Math.min(t.lineNumber,e.lineNumber),null!==e.peakBitrate&&(t.peakBitrate=Math.max(t.peakBitrate??-1/0,e.peakBitrate)),null!==e.averageBitrate&&(t.averageBitrate=Math.max(t.averageBitrate??-1/0,e.averageBitrate)),t.languageCode===B.IR&&(t.languageCode=e.languageCode)):(e.id=l.length+1,l.push(e))};for(let e of o)for(let t of e)c(t);for(let e of(l.sort((e,t)=>e.lineNumber-t.lineNumber),this.trackBackings=[],l))"video"===e.info.type?this.trackBackings.push(new i5(e)):this.trackBackings.push(new i7(e));this.internalTracks=l})()}async getTrackBackings(){return await this.readMetadata(),(0,B.vA)(this.trackBackings),this.trackBackings}getSegmentedInputForPath(e){let t=this.segmentedInputs.find(t=>t.path===e);if(t)return t;let i=null;return this.internalTracks&&(i=this.internalTracks.filter(t=>t.fullPath===e).map(e=>({id:e.id,type:e.info.type}))),t=new i8(this,e,i,null),this.segmentedInputs.push(t),t}async getMetadataTags(){return{}}async getMimeType(){return ih}dispose(){if(this.segmentedInputs){for(let e of this.segmentedInputs)e.dispose();this.segmentedInputs.length=0}}}class i6{constructor(e){this.internalTrack=e,this.hydrationPromise=null}hydrate(){return this.hydrationPromise??=(async()=>{let e=this.internalTrack.demuxer.getSegmentedInputForPath(this.internalTrack.fullPath),t=null,i=(await e.getTrackBackings()).filter(e=>e.getType()===this.getType());if(1===i.length)t=i[0];else if(this instanceof i5){for(let e of i)if(await e.getCodec()===this.getCodec()){t=e;break}}else for(let e of((0,B.vA)(this instanceof i7),i))if(await e.getCodec()===this.getCodec()){t=e;break}if(!t)throw Error("Could not find matching track in underlying media data.");this.internalTrack.backingTrack=t})()}delegate(e){return this.internalTrack.backingTrack?e():this.hydrate().then(e)}getCodec(){throw Error("Not implemented on base class.")}getDisposition(){return{...U,default:this.internalTrack.autoselect,primary:this.internalTrack.default}}getId(){return this.internalTrack.id}getPairingMask(){return this.internalTrack.pairingMask}getInternalCodecId(){return null}getLanguageCode(){return this.internalTrack.languageCode}getName(){return this.internalTrack.name}getNumber(){(0,B.vA)(this.internalTrack.demuxer.internalTracks);let e=this.internalTrack.info.type,t=0;for(let i of this.internalTrack.demuxer.internalTracks)if(i.info.type===e&&t++,i===this.internalTrack)break;return t}getTimeResolution(){return this.delegate(()=>this.internalTrack.backingTrack.getTimeResolution())}isRelativeToUnixEpoch(){return this.delegate(()=>this.internalTrack.backingTrack.isRelativeToUnixEpoch())}getUnixTimeForTimestamp(e){return this.delegate(()=>this.internalTrack.backingTrack.getUnixTimeForTimestamp(e))}getBitrate(){return this.internalTrack.peakBitrate}getAverageBitrate(){return this.internalTrack.averageBitrate}async getDurationFromMetadata(e){return await this.hydrate(),this.internalTrack.backingTrack.getDurationFromMetadata(e)}

1async getLiveRefreshInterval(){return await this.hydrate(),this.internalTrack.backingTrack.getLiveRefreshInterval()}getHasOnlyKeyPackets(){return this.internalTrack.hasOnlyKeyPackets||null}async getFirstPacket(e){return await this.hydrate(),this.internalTrack.backingTrack.getFirstPacket(e)}async getPacket(e,t){return await this.hydrate(),this.internalTrack.backingTrack.getPacket(e,t)}async getKeyPacket(e,t){return await this.hydrate(),this.internalTrack.backingTrack.getKeyPacket(e,t)}async getNextPacket(e,t){return await this.hydrate(),this.internalTrack.backingTrack.getNextPacket(e,t)}async getNextKeyPacket(e,t){return await this.hydrate(),this.internalTrack.backingTrack.getNextKeyPacket(e,t)}}class i5 extends i6{constructor(e){super(e)}get backingVideoTrack(){return this.internalTrack.backingTrack}getType(){return"video"}getCodec(){return(0,O.oU)(this.internalTrack.fullCodecString)}getCodedWidth(){return this.delegate(()=>this.backingVideoTrack.getCodedWidth())}getCodedHeight(){return this.delegate(()=>this.backingVideoTrack.getCodedHeight())}getSquarePixelWidth(){return this.delegate(()=>this.backingVideoTrack.getSquarePixelWidth())}getSquarePixelHeight(){return this.delegate(()=>this.backingVideoTrack.getSquarePixelHeight())}getMetadataDisplayWidth(){return this.backingVideoTrack?null:this.internalTrack.info.width}getMetadataDisplayHeight(){return this.backingVideoTrack?null:this.internalTrack.info.height}getRotation(){return this.delegate(()=>this.backingVideoTrack.getRotation())}async getColorSpace(){return await this.hydrate(),this.backingVideoTrack.getColorSpace()}

1async canBeTransparent(){return await this.hydrate(),this.backingVideoTrack.canBeTransparent()}getMetadataCodecParameterString(){return this.backingVideoTrack?null:this.internalTrack.fullCodecString}async getDecoderConfig(){return await this.hydrate(),this.backingVideoTrack.getDecoderConfig()}}class i7 extends i6{constructor(e){super(e)}get backingAudioTrack(){return this.internalTrack.backingTrack}getType(){return"audio"}getCodec(){return(0,O.oU)(this.internalTrack.fullCodecString)}getNumberOfChannels(){return null!==this.internalTrack.info.numberOfChannels?this.internalTrack.info.numberOfChannels:this.delegate(()=>this.backingAudioTrack.getNumberOfChannels())}getSampleRate(){return this.delegate(()=>this.backingAudioTrack.getSampleRate())}getMetadataCodecParameterString(){return this.backingAudioTrack?null:this.internalTrack.fullCodecString}async getDecoderConfig(){return await this.hydrate(),this.backingAudioTrack.getDecoderConfig()}}let i9=e=>{let t=e.get("default");if(null===t)return!1;let i=t.toUpperCase();if("YES"===i)return!0;if("NO"===i)return!1;throw Error(`Invalid M3U8 file; #EXT-X-MEDIA DEFAULT attribute must be YES or NO, got "${t}".`)},re=e=>{let t=e.get("autoselect");if(null===t)return!1;let i=t.toUpperCase();if("YES"===i)return!0;if("NO"===i)return!1;throw Error(`Invalid M3U8 file; #EXT-X-MEDIA AUTOSELECT attribute must be YES or NO, got "${t}".`)},rt=e=>{if(null===e)return B.IR;let t=e.split("-")[0];return t||B.IR};class ri{constructor(){this._isIsobmff=!1}}class rr extends ri{constructor(){super(...arguments),this._isIsobmff=!0}async _getMajorBrand(e){let t=e._reader.requestSlice(0,12);if(t instanceof Promise&&(t=await t),!t)return null;t.skip(4);let i=aT(t,4);return"ftyp"!==i&&"styp"!==i?null:aT(t,4)}_createDemuxer(e){return new e2(e)}}class ra extends rr{async _canReadInput(e){let t=await this._getMajorBrand(e);if(null!==t)return"qt  "!==t;let i=e._reader.requestSlice(4,4);if(i instanceof Promise&&(i=await i),!i)return!1;let r=aT(i,4);return"moof"===r||"sidx"===r}get name(){return"MP4"}get mimeType(){return"video/mp4"}}class rs extends rr{async _canReadInput(e){return"qt  "===await this._getMajorBrand(e)}get name(){return"QuickTime File Format"}get mimeType(){return"video/quicktime"}}class rn extends ri{async isSupportedEBMLOfDocType(e,t){let i=e._reader.requestSlice(0,16);if(i instanceof Promise&&(i=await i),!i)return!1;let r=tT(i);if(null===r||r<1||r>8||tv(i,r)!==v.EBML)return!1;let a=t_(i);if("number"!=typeof a)return!1;let s=e._reader.requestSlice(i.filePos,a);if(s instanceof Promise&&(s=await s),!s)return!1;let n=i.filePos;for(;s.filePos<=n+a-2;){let e=tI(s);if(!e)break;let{id:i,size:r}=e,a=s.filePos;if(void 0===r)return!1;switch(i){case v.EBMLVersion:case v.EBMLReadVersion:if(1!==tv(s,r))return!1;break;case v.DocType:if(tC(s,r)!==t)return!1;break;case v.DocTypeVersion:if(tv(s,r)>4)return!1}s.filePos=a+r}return!0}_canReadInput(e){return this.isSupportedEBMLOfDocType(e,"matroska")}_createDemuxer(e){return new tU(e)}get name(){return"Matroska"}get mimeType(){return"video/x-matroska"}}class ro extends rn{_canReadInput(e){return this.isSupportedEBMLOfDocType(e,"webm")}get name(){return"WebM"}get mimeType(){return"video/webm"}}class rl extends ri{async _canReadInput(e){let t=0;for(;;){let i=e._reader.requestSlice(t,aP);if(i instanceof Promise&&(i=await i),!i)break;let r=ax(i);if(!r)break;t=i.filePos+r.size}let i=await tN(e._reader,t,t+4096);if(!i)return!1;let r=i.header,a=V(r.mpegVersionId,r.channel),s=e._reader.requestSlice(i.startPos+a,4);if(s instanceof Promise&&(s=await s),!s)return!1;let n=ah(s);if(0x58696e67===n||0x496e666f===n)return!0;t=i.startPos+i.header.totalSize;let o=await tN(e._reader,t,t+4);if(!o)return!1;let l=o.header;return r.channel===l.channel&&r.sampleRate===l.sampleRate}_createDemuxer(e){return new tW(e)}get name(){return"MP3"}get mimeType(){return"audio/mpeg"}}class rc extends ri{async _canReadInput(e){let t=e._reader.requestSlice(0,12);if(t instanceof Promise&&(t=await t),!t)return!1;let i=aT(t,4);return("RIFF"===i||"RIFX"===i||"RF64"===i)&&(t.skip(4),"WAVE"===aT(t,4))}_createDemuxer(e){return new tJ(e)}get name(){return"WAVE"}get mimeType(){return"audio/wav"}}

1class ru extends ri{async _canReadInput(e){let t=e._reader.requestSlice(0,4);return t instanceof Promise&&(t=await t),!!t&&"OggS"===aT(t,4)}_createDemuxer(e){return new tX(e)}get name(){return"Ogg"}get mimeType(){return"application/ogg"}}class rd extends ri{async _canReadInput(e){let t=0;for(;;){let i=e._reader.requestSlice(t,aP);if(i instanceof Promise&&(i=await i),!i)break;let r=ax(i);if(!r)break;t=i.filePos+r.size}let i=e._reader.requestSlice(t,4);return i instanceof Promise&&(i=await i),!!i&&"fLaC"===aT(i,4)}get name(){return"FLAC"}get mimeType(){return"audio/flac"}_createDemuxer(e){return new t5(e)}}class rh extends ri{async _canReadInput(e){let t=0;for(;;){let i=e._reader.requestSlice(t,aP);if(i instanceof Promise&&(i=await i),!i)break;let r=ax(i);if(!r)break;t=i.filePos+r.size}let i=e._reader.requestSliceRange(t,7,9);if(i instanceof Promise&&(i=await i),!i)return!1;let r=t1(i);if(!r||(t+=r.frameLength,(i=e._reader.requestSliceRange(t,7,9))instanceof Promise&&(i=await i),!i))return!1;let a=t1(i);return!!a&&r.objectType===a.objectType&&r.samplingFrequencyIndex===a.samplingFrequencyIndex&&r.channelConfiguration===a.channelConfiguration}_createDemuxer(e){return new t2(e)}get name(){return"ADTS"}get mimeType(){return"audio/aac"}}class rm extends ri{async _canReadInput(e){let t=e._reader.requestSlice(0,205);if(t instanceof Promise&&(t=await t),!t)return!1;let i=as(t,205);return 71===i[0]&&71===i[188]||71===i[0]&&71===i[204]||71===i[4]&&71===i[196]||!1}_createDemuxer(e){return new ii(e)}get name(){return"MPEG Transport Stream"}get mimeType(){return"video/MP2T"}}class rf extends ri{async _canReadInput(e){let t=e._reader.requestSlice(0,7);if(t instanceof Promise&&(t=await t),!t||"#EXTM3U"!==aT(t,7))return!1;if(!(e._rootSource instanceof iO))throw TypeError("HLS inputs require `InputOptions.source` to be a PathedSource or a ref to one.");return e._rootSource._usedForHls=!0,!0}_createDemuxer(e){return new i4(e)}get name(){return"HTTP Live Streaming (HLS)"}get mimeType(){return ih}}let rp=new ra,rg=new rs,rk=new rn,ry=new ro,rw=new rl,rb=new rc,rT=new ru,rS=new rh,rv=new rd,rP=new rm,r_=new rf,rI=[r_,rp,rg,rk,ry,rb,rT,rv,rw,rS,rP],rC=[r_,rp,rg,rw,rS,rP];var rx=i(98527),rA=i(15474);let rE=e=>{if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.metadataOnly&&"boolean"!=typeof e.metadataOnly)throw TypeError("options.metadataOnly, when defined, must be a boolean.");if(void 0!==e.verifyKeyPackets&&"boolean"!=typeof e.verifyKeyPackets)throw TypeError("options.verifyKeyPackets, when defined, must be a boolean.");if(e.verifyKeyPackets&&e.metadataOnly)throw TypeError("options.verifyKeyPackets and options.metadataOnly cannot be enabled together.");if(void 0!==e.skipLiveWait&&"boolean"!=typeof e.skipLiveWait)throw TypeError("options.skipLiveWait, when defined, must be a boolean.")},rB=e=>{if(!(0,B.Et)(e))throw TypeError("timestamp must be a number.")},rF=(e,t,i)=>i.verifyKeyPackets?t.then(async t=>{if(!t||"delta"===t.type)return t;let i=await e.determinePacketType(t);return i&&(t.type=i),t}):t;class rM{constructor(e){if(!(e instanceof rQ))throw TypeError("track must be an InputTrack.");this._track=e}async getFirstPacket(e={}){if(rE(e),this._track.input._disposed)throw new at;return rF(this._track,this._track._backing.getFirstPacket(e),e)}async getFirstKeyPacket(e={}){rE(e);let t=await this.getFirstPacket(e);return t?"key"===t.type?t:this.getNextKeyPacket(t,e):null}async getPacket(e,t={}){if(rB(e),rE(t),this._track.input._disposed)throw new at;return rF(this._track,this._track._backing.getPacket(e,t),t)}async getNextPacket(e,t={}){if(!(e instanceof eO.Z))throw TypeError("packet must be an EncodedPacket.");if(rE(t),this._track.input._disposed)throw new at;return rF(this._track,this._track._backing.getNextPacket(e,t),t)}async getKeyPacket(e,t={}){if(rB(e),rE(t),this._track.input._disposed)throw new at;if(!t.verifyKeyPackets)return this._track._backing.getKeyPacket(e,t);let i=await this._track._backing.getKeyPacket(e,t);return i&&((0,B.vA)("key"===i.type),"delta"===await this._track.determinePacketType(i))?this.getKeyPacket(i.timestamp-1/await this._track.getTimeResolution(),t):i}async getNextKeyPacket(e,t={}){if(!(e instanceof eO.Z))throw TypeError("packet must be an EncodedPacket.");if(rE(t),this._track.input._disposed)throw new at;if(!t.verifyKeyPackets)return this._track._backing.getNextKeyPacket(e,t);let i=await this._track._backing.getNextKeyPacket(e,t);return i&&((0,B.vA)("key"===i.type),"delta"===await this._track.determinePacketType(i))?this.getNextKeyPacket(i,t):i}packets(e,t,i={}){if(void 0!==e&&!(e instanceof eO.Z))throw TypeError("startPacket must be an EncodedPacket.");if(void 0!==e&&e.isMetadataOnly&&!i?.metadataOnly)throw TypeError("startPacket can only be metadata-only if options.metadataOnly is enabled.");

1if(void 0!==t&&!(t instanceof eO.Z))throw TypeError("endPacket must be an EncodedPacket.");if(rE(i),this._track.input._disposed)throw new at;let r=[],{promise:a,resolve:s}=(0,B.nJ)(),{promise:n,resolve:o}=(0,B.nJ)(),l=!1,c=!1,u=null,d=!1,h=[],m=()=>Math.max(2,h.length);(async()=>{let u=e??await this.getFirstPacket(i);for(;u&&!c&&!this._track.input._disposed&&!(t&&u.sequenceNumber>=t?.sequenceNumber);){if(r.length>m()){({promise:n,resolve:o}=(0,B.nJ)()),await n;continue}r.push(u),s(),({promise:a,resolve:s}=(0,B.nJ)()),u=await this.getNextPacket(u,i)}l=!0,s()})().catch(e=>{d||(u=e,d=!0,s())});let f=this._track;return{async next(){for(;;)if(f.input._disposed)throw new at;else if(c)return{value:void 0,done:!0};else if(d)throw u;else if(r.length>0){let e=r.shift(),t=performance.now();for(h.push(t);h.length>0&&t-h[0]>=1e3;)h.shift();return o(),{value:e,done:!1}}else{if(l)return{value:void 0,done:!0};await a}},return:async()=>(c=!0,o(),s(),{value:void 0,done:!0}),async throw(e){throw e},[Symbol.asyncIterator](){return this}}}}class rR{constructor(e,t){this.onSample=e,this.onError=t}}class rD{mediaSamplesInRange(e=-1/0,t=1/0,i){rB(e),rB(t);let r=[],a=!1,s=null,{promise:n,resolve:o}=(0,B.nJ)(),{promise:l,resolve:c}=(0,B.nJ)(),u=!1,d=!1,h=!1,m=null,f=null,p=!1,g={...i,verifyKeyPackets:!0,metadataOnly:!1};(async()=>{m=await this._createDecoder(i=>{(c(),i.timestamp>=t&&(d=!0),d)?i.close():(s&&(i.timestamp>e?(r.push(s),a=!0):s.close()),i.timestamp>=e&&(r.push(i),a=!0),s=a?null:i,r.length>0&&(o(),{promise:n,resolve:o}=(0,B.nJ)()))},e=>{p||(f=e,p=!0,o())});let i=this._createPacketSink(),k=await i.getKeyPacket(e,g)??await i.getFirstKeyPacket(g),y=k,w=i.packets(k??void 0,void 0,g);for(await w.next();y&&!d&&!this._track.input._disposed;){let e=rU(r.length);if(r.length+m.getDecodeQueueSize()>e){({promise:l,resolve:c}=(0,B.nJ)()),await l;continue}m.decode(y);let t=await w.next();if(t.done)break;y=t.value}await w.return(),h||this._track.input._disposed||await m.flush(),!a&&s&&r.push(s),u=!0,o()})().catch(e=>{p||(f=e,p=!0,o())}).finally(()=>{m?.close()});let k=this._track,y=()=>{for(let e of(s?.close(),r))e.close()};return{async next(){for(;;)if(k.input._disposed)throw y(),new at;else if(h)return{value:void 0,done:!0};else if(p)throw y(),f;else if(r.length>0){let e=r.shift();return c(),{value:e,done:!1}}else{if(u)return{value:void 0,done:!0};await n}},return:async()=>(h=!0,d=!0,c(),o(),y(),{value:void 0,done:!0}),async throw(e){throw e},[Symbol.asyncIterator](){return this}}}mediaSamplesAtTimestamps(e,t){(0,B.D5)(e);let i=(0,B.i1)(e),r=[],a=[],{promise:s,resolve:n}=(0,B.nJ)(),{promise:o,resolve:l}=(0,B.nJ)(),c=!1,u=!1,d=null,h=null,m=!1,f=e=>{a.push(e),n(),{promise:s,resolve:n}=(0,B.nJ)()},p={...t,verifyKeyPackets:!0,metadataOnly:!1};(async()=>{d=await this._createDecoder(e=>{if(l(),u)return void e.close();let t=0;for(;r.length>0&&e.timestamp-r[0]>-1e-10;)t++,r.shift();if(t>0)for(let i=0;i<t;i++)f(i<t-1?e.clone():e);else e.close()},e=>{m||(h=e,m=!0,n())});let e=this._createPacketSink(),t=null,s=null,g=-1,k=async()=>{(0,B.vA)(s),(0,B.vA)(d);let t=s;for(d.decode(t);t.sequenceNumber<g;){let i=rU(a.length);for(;a.length+d.getDecodeQueueSize()>i&&!u;)({promise:o,resolve:l}=(0,B.nJ)()),await o;if(u)break;let r=await e.getNextPacket(t,p);(0,B.vA)(r),d.decode(r),t=r}g=-1},y=async()=>{(0,B.vA)(d),await d.flush();for(let e=0;e<r.length;e++)f(null);r.length=0};for await(let a of i){if(rB(a),u||this._track.input._disposed)break;let i=await e.getPacket(a,p),n=i&&await e.getKeyPacket(a,p);if(!n){-1!==g&&(await k(),await y()),f(null),t=null;continue}t&&(n.sequenceNumber!==s.sequenceNumber||i.timestamp<t.timestamp)&&(await k(),await y()),r.push(i.timestamp),g=Math.max(i.sequenceNumber,g),t=i,s=n}u||this._track.input._disposed||(-1!==g&&await k(),await y()),c=!0,n()})().catch(e=>{m||(h=e,m=!0,n())}).finally(()=>{d?.close()});let g=this._track,k=()=>{for(let e of a)e?.close()};return{async next(){for(;;)if(g.input._disposed)throw k(),new at;else if(u)return{value:void 0,done:!0};else if(m)throw k(),h;else if(a.length>0){let e=a.shift();return(0,B.vA)(void 0!==e),l(),{value:e,done:!1}}else{if(c)return{value:void 0,done:!0};await s}},return:async()=>

1(u=!0,l(),n(),k(),{value:void 0,done:!0}),async throw(e){throw e},[Symbol.asyncIterator](){return this}}}}let rU=e=>0===e?40:8;class rz extends rR{constructor(e,t,i,r,a,s){super(e,t),this.codec=i,this.decoderConfig=r,this.rotation=a,this.timeResolution=s,this.decoder=null,this.customDecoder=null,this.customDecoderCallSerializer=new B.dY,this.customDecoderQueueSize=0,this.inputTimestamps=[],this.sampleQueue=[],this.currentPacketIndex=0,this.raslSkipped=!1,this.alphaDecoder=null,this.alphaHadKeyframe=!1,this.colorQueue=[],this.alphaQueue=[],this.merger=null,this.decodedAlphaChunkCount=0,this.alphaDecoderQueueSize=0,this.nullAlphaFrameQueue=[],this.currentAlphaPacketIndex=0,this.alphaRaslSkipped=!1,this.finalSamples=[],this.mergeAlphaPromises=[];const n=rx.wb.find(e=>e.supports(i,r));if(n)this.customDecoder=new n,this.customDecoder.codec=i,this.customDecoder.config=r,this.customDecoder.onSample=e=>{if(!(e instanceof rA.U2))throw TypeError("The argument passed to onSample must be a VideoSample.");this.finalizeAndEmitSample(e)},this.customDecoder.onError=e=>{t(e)},this.customDecoderCallSerializer.call(()=>this.customDecoder.init()).catch(e=>t(e));else{const e=e=>{if(this.alphaQueue.length>0){let t=this.alphaQueue.shift();(0,B.vA)(void 0!==t),this.mergeAlpha(e,t)}else this.colorQueue.push(e)};if("avc"===i&&this.decoderConfig.description&&(0,B.F2)()){const e=ea((0,B.Fo)(this.decoderConfig.description));if(e&&e.sequenceParameterSets.length>0){const t=en(e.sequenceParameterSets[0]);t&&0===t.frameMbsOnlyFlag&&(this.decoderConfig={...this.decoderConfig,hardwareAcceleration:"prefer-software"})}}const t=Error("Decoding error").stack;this.decoder=new VideoDecoder({output:t=>{try{e(t)}catch(e){this.onError(e)}},error:e=>{e.stack=t,this.onError(e)}}),this.decoder.configure(this.decoderConfig)}}getDecodeQueueSize(){return this.customDecoder?this.customDecoderQueueSize:((0,B.vA)(this.decoder),Math.max(this.decoder.decodeQueueSize,this.alphaDecoder?.decodeQueueSize??0))}decode(e){if("hevc"===this.codec&&this.currentPacketIndex>

10&&!this.raslSkipped){if(this.hasHevcRaslPicture(e.data))return;this.raslSkipped=!0}if(this.customDecoder)this.customDecoderQueueSize++,this.customDecoderCallSerializer.call(()=>this.customDecoder.decode(e)).catch(e=>this.onError(e)).finally(()=>this.customDecoderQueueSize--);else{if((0,B.vA)(this.decoder),(0,B.Tc)()||(0,B.h8)(this.inputTimestamps,e.timestamp,e=>e),(0,B.F2)()&&0===this.currentPacketIndex){if("avc"===this.codec){var t,i;let r=[],a=!1;for(let t of Y(e.data,this.decoderConfig)){let i=Z(e.data[t.offset]);if(a||=i>=1&&i<=5,i===w.AUD)if(a)break;else r.length=0;i>=20&&i<=31||r.push(e.data.subarray(t.offset,t.offset+t.length))}let s=(t=r,(i=this.decoderConfig).description?ei(t,(3&(0,B.Fo)(i.description)[4])+1):et(t));e=new eO.Z(s,e.type,e.timestamp,e.duration)}else if("hevc"===this.codec){let t=((e,t)=>{let i=new Set,r=T.audAllowed;for(let a of el(e,t)){if(r===T.noMoreDataAllowed){i.add(a.offset);continue}let t=ec(e[a.offset]);if(r===T.eoBitstreamAllowed&&37!==t){i.add(a.offset);continue}let s=!1;35===t?r>T.audAllowed?s=!0:r=T.beforeFirstVcl:t<=31?r>T.afterFirstVcl?s=!0:r=T.afterFirstVcl:36===t?r!==T.afterFirstVcl?s=!0:r=T.eoBitstreamAllowed:37===t?r<T.afterFirstVcl?s=!0:r=T.noMoreDataAllowed:32===t||33===t||34===t||39===t||t>=41&&t<=44||t>=48&&t<=55?r>T.beforeFirstVcl?s=!0:r=T.beforeFirstVcl:(38===t||40===t||t>=45&&t<=47||t>=56&&t<=63)&&r<T.afterFirstVcl&&(s=!0),s&&i.add(a.offset)}if(0===i.size)return null;let a=[];for(let r of el(e,t))i.has(r.offset)||a.push(e.subarray(r.offset,r.offset+r.length));return t.description?ei(a,(3&(0,B.Fo)(t.description)[21])+1):et(a)})(e.data,this.decoderConfig);t&&(e=new eO.Z(t,e.type,e.timestamp,e.duration))}}this.decoder.decode(e.toEncodedVideoChunk()),this.decodeAlphaData(e)}this.currentPacketIndex++}decodeAlphaData(e){if(!e.sideData.alpha)return void this.pushNullAlphaFrame();if(this.merger||(this.merger=new rL),!this.alphaDecoder){let e=e=>{if(this.colorQueue.length>0){let t=this.colorQueue.shift();(0,B.vA)(void 0!==t),this.mergeAlpha(t,e)}else this.alphaQueue.push(e);for(this.decodedAlphaChunkCount++;this.nullAlphaFrameQueue.length>0&&this.nullAlphaFrameQueue[0]===this.decodedAlphaChunkCount;)if(this.nullAlphaFrameQueue.shift(),this.colorQueue.length>0){let e=this.colorQueue.shift();(0,B.vA)(void 0!==e),this.mergeAlpha(e,null)}else this.alphaQueue.push(null);this.alphaDecoderQueueSize--},t=Error("Decoding error").stack;this.alphaDecoder=new VideoDecoder({output:t=>{try{e(t)}catch(e){this.onError(e)}},error:e=>{e.stack=t,this.onError(e)}}),this.alphaDecoder.configure(this.decoderConfig)}let t=e_(this.codec,this.decoderConfig,e.sideData.alpha);if(this.alphaHadKeyframe||(this.alphaHadKeyframe="key"===t),this.alphaHadKeyframe){if("hevc"===this.codec&&this.currentAlphaPacketIndex>

10&&!this.alphaRaslSkipped){if(this.hasHevcRaslPicture(e.sideData.alpha))return void this.pushNullAlphaFrame();this.alphaRaslSkipped=!0}this.currentAlphaPacketIndex++,this.alphaDecoder.decode(e.alphaToEncodedVideoChunk(t??e.type)),this.alphaDecoderQueueSize++}else this.pushNullAlphaFrame()}pushNullAlphaFrame(){0===this.alphaDecoderQueueSize?this.alphaQueue.push(null):this.nullAlphaFrameQueue.push(this.decodedAlphaChunkCount+this.alphaDecoderQueueSize)}hasHevcRaslPicture(e){for(let t of el(e,this.decoderConfig)){let i=ec(e[t.offset]);if(i===b.RASL_N||i===b.RASL_R)return!0}return!1}sampleHandler(e){if((0,B.Tc)()){if(this.sampleQueue.length>0&&e.timestamp>=(0,B._g)(this.sampleQueue).timestamp){for(let e of this.sampleQueue)this.finalizeAndEmitSample(e);this.sampleQueue.length=0}(0,B.h8)(this.sampleQueue,e,e=>e.timestamp)}else{let t=this.inputTimestamps.shift();(0,B.vA)(void 0!==t),e.setTimestamp(t),this.finalizeAndEmitSample(e)}}finalizeAndEmitSample(e){e.setTimestamp(Math.round(e.timestamp*this.timeResolution)/this.timeResolution),e.setDuration(Math.round(e.duration*this.timeResolution)/this.timeResolution),e.setRotation(this.rotation),this.onSample(e)}async mergeAlpha(e,t){let i=(0,B.nJ)();this.mergeAlphaPromises.push(i.promise);let r={sample:null};this.finalSamples.push(r);try{if(t){(0,B.vA)(this.merger);let i=await this.merger.merge(e,t);r.sample=new rA.U2(i)}else r.sample=new rA.U2(e);for(;this.finalSamples.length>0&&null!==this.finalSamples[0].sample;){let e=this.finalSamples.shift();this.sampleHandler(e.sample)}}catch(e){(0,B.Ai)(this.finalSamples,r),this.onError(e)}finally{(0,B.Ai)(this.mergeAlphaPromises,i.promise),i.resolve()}}async flush(){if(this.customDecoder?await this.customDecoderCallSerializer.call(()=>this.customDecoder.flush()):((0,B.vA)(this.decoder),await Promise.all([this.decoder.flush(),this.alphaDecoder?.flush()]),await Promise.all(this.mergeAlphaPromises),this.colorQueue.forEach(e=>e.close()),this.colorQueue.length=0,this.alphaQueue.forEach(e=>e?.close()),this.alphaQueue.length=0,this.alphaHadKeyframe=!1,this.decodedAlphaChunkCount=0,this.alphaDecoderQueueSize=0,this.nullAlphaFrameQueue.length=0,this.currentAlphaPacketIndex=0,this.alphaRaslSkipped=!1),(0,B.Tc)()){for(let e of this.sampleQueue)this.finalizeAndEmitSample(e);this.sampleQueue.length=0}this.currentPacketIndex=0,this.raslSkipped=!1}close(){for(let e of(this.customDecoder?this.customDecoderCallSerializer.call(()=>this.customDecoder.close()):((0,B.vA)(this.decoder),this.decoder.close(),this.alphaDecoder?.close(),this.colorQueue.forEach(e=>e.close()),this.colorQueue.length=0,this.alphaQueue.forEach(e=>e?.close()),this.alphaQueue.length=0,this.merger?.close()),this.sampleQueue))e.close();this.sampleQueue.length=0}}let rO=null;class rL{constructor(){this.workers=[],this.nextWorkerIndex=0,this.pendingRequests=new Map,this.nextRequestId=0}merge(e,t){if(0===this.workers.length){if(!rO){let e=new Blob([`(${rN.toString()})()`],{type:"application/javascript"});rO=URL.createObjectURL(e)}let e=(0,B.qE)(navigator.hardwareConcurrency,1,4);for(let t=0;t<e;t++){let e=new Worker(rO);e.addEventListener("message",e=>{let t=e.data,i=this.pendingRequests.get(t.id);i&&(this.pendingRequests.delete(t.id),"error"in t?i.reject(Error(t.error)):i.resolve(t.frame))}),e.addEventListener("error",e=>{let t=Error(e.message||"Color/alpha merge worker error.");for(let e of this.pendingRequests.values())e.reject(t);this.pendingRequests.clear()}),this.workers.push(e)}}let i=this.nextRequestId++,r=(0,B.nJ)();this.pendingRequests.set(i,r);let a=this.workers[this.nextWorkerIndex];return this.nextWorkerIndex=(this.nextWorkerIndex+1)%this.workers.length,a.postMessage({id:i,color:e,alpha:t},{transfer:[e,t]}),r.promise}close(){for(let e of this.workers)e.terminate();this.workers.length=0;let e=Error("Color/alpha merger closed.");for(let t of this.pendingRequests.values())t.reject(e);this.pendingRequests.clear()}}let rN=()=>{let e=null,t=null,i=Promise.resolve();self.addEventListener("message",e=>{let{id:t,color:a,alpha:s}=e.data;i=i.then(async()=>{try{let e=await r(a,s);self.postMessage({id:t,frame:e},{transfer:[e]})}catch(e){self.postMessage({id:t,error:e.message})}finally{a.close(),s.close()}})});let r=async(e,t)=>{let i=e.format,r=t.format;if(!i||!r)throw Error("CPU color/alpha merging requires a known VideoFrame format.");let o=i.includes("P10"),l=i.includes("P12"),c=r.includes("P10"),u=r.includes("P12");

1if(c!==o||u!==l)throw Error(`CPU color/alpha merging requires the alpha frame to have the same bit depth as the color frame (color: '${i}', alpha: '${r}').`);if("RGBX"===i||"RGBA"===i||"BGRX"===i||"BGRA"===i)return await a(e,t,i);if("I420"===i||"I420P10"===i||"I420P12"===i||"I422"===i||"I422P10"===i||"I422P12"===i||"I444"===i||"I444P10"===i||"I444P12"===i)return await s(e,t,i);if("NV12"===i)return await n(e,t);throw Error(`CPU color/alpha merging does not support format '${i}'.`)},a=async(e,t,i)=>{let r=e.visibleRect?.width??e.codedWidth,a=e.visibleRect?.height??e.codedHeight,s=r*a,n=new Uint8Array(4*s);await e.copyTo(n);let l=await o(t,r,a,1);for(let e=0,t=3;e<s;e++,t+=4)n[t]=l[e];let c={format:"RGBX"===i||"RGBA"===i?"RGBA":"BGRA",codedWidth:r,codedHeight:a,timestamp:e.timestamp,duration:e.duration??void 0,transfer:[n.buffer]};return new VideoFrame(n,c)},s=async(e,t,i)=>{let r,a,s=e.visibleRect?.width??e.codedWidth,n=e.visibleRect?.height??e.codedHeight,l=i.includes("P10"),c=i.includes("P12"),u=l||c?2:1;i.startsWith("I420")?(r=Math.ceil(s/2),a=Math.ceil(n/2)):(r=i.startsWith("I422")?Math.ceil(s/2):s,a=n);let d=s*n,h=d*u,m=r*a*u,f=new Uint8Array(h+2*m+d*u);await e.copyTo(f);let p=await o(t,s,n,u);f.set(p,h+2*m);let g={format:i.slice(0,4)+"A"+i.slice(4),codedWidth:s,codedHeight:n,timestamp:e.timestamp,duration:e.duration??void 0,transfer:[f.buffer]};return new VideoFrame(f,g)},n=async(e,i)=>{let r=e.visibleRect?.width??e.codedWidth,a=e.visibleRect?.height??e.codedHeight,s=r*a,n=Math.ceil(r/2)*Math.ceil(a/2),l=e.allocationSize();t&&t.byteLength===l||(t=new Uint8Array(l)),await e.copyTo(t);let c=new Uint8Array(s+2*n+s);c.set(t.subarray(0,s),0);let u=s+n;for(let e=0;e<n;e++)c[s+e]=t[s+2*e],c[u+e]=t[s+2*e+1];let d=await o(i,r,a,1);c.set(d,s+2*n);let h={format:"I420A",codedWidth:r,codedHeight:a,timestamp:e.timestamp,duration:e.duration??void 0,transfer:[c.buffer]};return new VideoFrame(c,h)},o=async(t,i,r,a)=>{let s=t.allocationSize();e&&e.byteLength===s||(e=new Uint8Array(s)),await t.copyTo(e);let n=t.format;if("RGBA"!==n&&"BGRA"!==n&&"RGBX"!==n&&"BGRX"!==n)return e.subarray(0,i*r*a);{let t=2*("RGBA"!==n&&"RGBX"!==n),a=i*r;for(let i=0;i<a;i++)e[i]=e[4*i+t];return e.subarray(0,a)}}},rW=e=>{if(!e||"object"!=typeof e)throw TypeError("decoderOptions must be an object.");if(void 0!==e.hardwareAcceleration&&!["no-preference","prefer-hardware","prefer-software"].includes(e.hardwareAcceleration))throw TypeError("decoderOptions.hardwareAcceleration, when provided, must be 'no-preference', 'prefer-hardware' or 'prefer-software'.");if(void 0!==e.optimizeForLatency&&"boolean"!=typeof e.optimizeForLatency)throw TypeError("decoderOptions.optimizeForLatency, when provided, must be a boolean.")};class rV extends rD{constructor(e,t={}){if(!(e instanceof rY))throw TypeError("videoTrack must be an InputVideoTrack.");rW(t),super(),this._track=e,this._decoderOptions=t}async _createDecoder(e,t){if(!await this._track.canDecode())throw Error("This video track cannot be decoded by this browser. Make sure to check decodability before using a track.");let i=await this._track.getCodec(),r=await this._track.getRotation(),a=await this._track.getDecoderConfig(),s=await this._track.getTimeResolution();return(0,B.vA)(i&&a),new rz(e,t,i,a={...a,hardwareAcceleration:this._decoderOptions.hardwareAcceleration,optimizeForLatency:this._decoderOptions.optimizeForLatency},r,s)}_createPacketSink(){return new rM(this._track)}async getSample(e,t={}){for await(let i of(rB(e),this.mediaSamplesAtTimestamps([e],t)))return i;throw Error("Internal error: Iterator returned nothing.")}samples(e,t,i={}){return this.mediaSamplesInRange(e,t,i)}samplesAtTimestamps(e,t={}){return this.mediaSamplesAtTimestamps(e,t)}}class rq{constructor(e,t={}){if(this._rotation=0,this._initPromise=null,this._nextCanvasIndex=0,!(e instanceof rY))throw TypeError("videoTrack must be an InputVideoTrack.");if(t&&"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.alpha&&"boolean"!=typeof t.alpha)throw TypeError("options.alpha, when provided, must be a boolean.");if(void 0!==t.width&&(!Number.isInteger(t.width)||t.width<=0))throw TypeError("options.width, when defined, must be a positive integer.");if(void 0!==t.height&&(!Number.isInteger(t.height)||t.height<=0))throw TypeError("options.height, when defined, must be a positive integer.");if(void 0!==t.fit&&!["fill","contain","cover"].includes(t.fit))throw TypeError('options.fit, when provided, must be one of "fill", "contain", or "cover".');if(void 0!==t.width&&void 0!==t.height&&void 0===t.fit)throw TypeError("When both options.width and options.height are provided, options.fit must also be provided.");if(void 0!==t.rotation&&![0,90,180,270].includes(t.rotation))throw TypeError("options.rotation, when provided, must be 0, 90, 180 or 270.");

1if(void 0!==t.crop&&(0,rA.wS)(t.crop,"options."),void 0!==t.poolSize&&("number"!=typeof t.poolSize||!Number.isInteger(t.poolSize)||t.poolSize<0))throw TypeError("poolSize must be a non-negative integer.");void 0!==t.decoderOptions&&rW(t.decoderOptions),this._videoTrack=e,this._alpha=t.alpha??!1,this._options=t,this._fit=t.fit??"fill",this._videoSampleSink=new rV(e,t.decoderOptions),this._canvasPool=Array.from({length:t.poolSize??0},()=>null)}_ensureInit(){return this._initPromise??=(async()=>{let e=this._options,t=this._videoTrack,i=e.rotation??await t.getRotation(),r=await t.getSquarePixelWidth(),a=await t.getSquarePixelHeight(),[s,n]=i%180==0?[r,a]:[a,r],o=e.crop;o&&(o=(0,rA.px)(o,s,n));let[l,c]=o?[o.width,o.height]:[s,n],u=l/c;void 0!==e.width&&void 0===e.height?c=Math.round((l=e.width)/u):void 0===e.width&&void 0!==e.height?l=Math.round((c=e.height)*u):void 0!==e.width&&void 0!==e.height&&(l=e.width,c=e.height),this._width=l,this._height=c,this._rotation=i,this._crop=o})()}_videoSampleToWrappedCanvas(e){let t=this._width,i=this._height,r=this._canvasPool[this._nextCanvasIndex],a=!1;r||("u">typeof document?((r=document.createElement("canvas")).width=t,r.height=i):r=new OffscreenCanvas(t,i),this._canvasPool.length>0&&(this._canvasPool[this._nextCanvasIndex]=r),a=!0),this._canvasPool.length>0&&(this._nextCanvasIndex=(this._nextCanvasIndex+1)%this._canvasPool.length);let s=r.getContext("2d",{alpha:this._alpha||(0,B.gm)()});(0,B.vA)(s),e._drawWithFitAndMipmapping(r,s,{fit:this._fit,rotation:this._rotation,crop:this._crop,targetIsFresh:a,fillBlack:!this._alpha&&(0,B.gm)()});let n={canvas:r,timestamp:e.timestamp,duration:e.duration};return e.close(),n}async getCanvas(e,t){rB(e),await this._ensureInit();let i=await this._videoSampleSink.getSample(e,t);return i&&this._videoSampleToWrappedCanvas(i)}async *canvases(e,t,i){await this._ensureInit(),yield*(0,B.KY)(this._videoSampleSink.samples(e,t,i),e=>this._videoSampleToWrappedCanvas(e))}async *canvasesAtTimestamps(e,t){await this._ensureInit(),yield*(0,B.KY)(this._videoSampleSink.samplesAtTimestamps(e,t),e=>e&&this._videoSampleToWrappedCanvas(e))}}class rH extends rR{constructor(e,t,i,r){super(e,t),this.decoder=null,this.customDecoder=null,this.customDecoderCallSerializer=new B.dY,this.customDecoderQueueSize=0,this.currentTimestamp=null,this.expectedFirstTimestamp=null,this.timestampOffset=0;const a=t=>{let i=t.timestamp;this.expectedFirstTimestamp&&null===this.currentTimestamp&&(this.timestampOffset=this.expectedFirstTimestamp-i),i+=this.timestampOffset,(null===this.currentTimestamp||Math.abs(i-this.currentTimestamp)>=t.duration)&&(this.currentTimestamp=i);let a=this.currentTimestamp;if(this.currentTimestamp+=t.duration,0===t.numberOfFrames)return void t.close();let s=r.sampleRate;t.setTimestamp(Math.round(a*s)/s),e(t)},s=rx.zx.find(e=>e.supports(i,r));if(s)this.customDecoder=new s,this.customDecoder.codec=i,this.customDecoder.config=r,this.customDecoder.onSample=e=>{if(!(e instanceof rA.B1))throw TypeError("The argument passed to onSample must be an AudioSample.");a(e)},this.customDecoder.onError=e=>{t(e)},this.customDecoderCallSerializer.call(()=>this.customDecoder.init()).catch(e=>t(e));else{const e=Error("Decoding error").stack;this.decoder=new AudioDecoder({output:e=>{try{a(new rA.B1(e))}catch(e){this.onError(e)}},error:t=>{t.stack=e,this.onError(t)}}),this.decoder.configure(r)}}getDecodeQueueSize(){return this.customDecoder?this.customDecoderQueueSize:((0,B.vA)(this.decoder),this.decoder.decodeQueueSize)}decode(e){this.customDecoder?(this.customDecoderQueueSize++,this.customDecoderCallSerializer.call(()=>this.customDecoder.decode(e)).catch(e=>this.onError(e)).finally(()=>this.customDecoderQueueSize--)):((0,B.vA)(this.decoder),this.expectedFirstTimestamp??=e.timestamp,this.decoder.decode(e.toEncodedAudioChunk()))}async flush(){this.customDecoder?await this.customDecoderCallSerializer.call(()=>this.customDecoder.flush()):((0,B.vA)(this.decoder),await this.decoder.flush()),this.currentTimestamp=null,this.expectedFirstTimestamp=null,this.timestampOffset=0}close(){this.customDecoder?this.customDecoderCallSerializer.call(()=>this.customDecoder.close()):((0,B.vA)(this.decoder),this.decoder.close())}}class rK extends rR{constructor(e,t,i){super(e,t),this.decoderConfig=i,this.currentTimestamp=null,(0,B.vA)(O.Wq.includes(i.codec)),this.codec=i.codec;const{dataType:r,sampleSize:a,littleEndian:s}=(0,O.Ei)(this.codec);switch(this.inputSampleSize=a,a){case 1:"unsigned"===r?this.readInputValue=(e,t)=>

1e.getUint8(t)-128:"signed"===r?this.readInputValue=(e,t)=>e.getInt8(t):"ulaw"===r?this.readInputValue=(e,t)=>{var i;let r,a,s,n;return i=e.getUint8(t),r=0,a=0,128&(s=~i)&&(s&=-129,r=-1),n=(1<<(a=((240&s)>>4)+5)|(15&s)<<a-4|1<<a-5)-33,0===r?n:-n}:"alaw"===r?this.readInputValue=(e,t)=>{var i;let r,a,s,n;return i=e.getUint8(t),r=0,a=0,128&(s=85^i)&&(s&=-129,r=-1),n=0,n=4!=(a=((240&s)>>4)+4)?1<<a|(15&s)<<a-4|1<<a-5:s<<1|1,0===r?n:-n}:(0,B.vA)(!1);break;case 2:"unsigned"===r?this.readInputValue=(e,t)=>e.getUint16(t,s)-32768:"signed"===r?this.readInputValue=(e,t)=>e.getInt16(t,s):(0,B.vA)(!1);break;case 3:"unsigned"===r?this.readInputValue=(e,t)=>(0,B.dq)(e,t,s)-8388608:"signed"===r?this.readInputValue=(e,t)=>(0,B.Wh)(e,t,s):(0,B.vA)(!1);break;case 4:"unsigned"===r?this.readInputValue=(e,t)=>e.getUint32(t,s)-0x80000000:"signed"===r?this.readInputValue=(e,t)=>e.getInt32(t,s):"float"===r?this.readInputValue=(e,t)=>e.getFloat32(t,s):(0,B.vA)(!1);break;case 8:"float"===r?this.readInputValue=(e,t)=>e.getFloat64(t,s):(0,B.vA)(!1);break;default:(0,B.xb)(a),(0,B.vA)(!1)}switch(a){case 1:"ulaw"===r||"alaw"===r?(this.outputSampleSize=2,this.outputFormat="s16",this.writeOutputValue=(e,t,i)=>e.setInt16(t,i,!0)):(this.outputSampleSize=1,this.outputFormat="u8",this.writeOutputValue=(e,t,i)=>e.setUint8(t,i+128));break;case 2:this.outputSampleSize=2,this.outputFormat="s16",this.writeOutputValue=(e,t,i)=>e.setInt16(t,i,!0);break;case 3:this.outputSampleSize=4,this.outputFormat="s32",this.writeOutputValue=(e,t,i)=>e.setInt32(t,i<<8,!0);break;case 4:this.outputSampleSize=4,"float"===r?(this.outputFormat="f32",this.writeOutputValue=(e,t,i)=>e.setFloat32(t,i,!0)):(this.outputFormat="s32",this.writeOutputValue=(e,t,i)=>e.setInt32(t,i,!0));break;case 8:this.outputSampleSize=4,this.outputFormat="f32",this.writeOutputValue=(e,t,i)=>e.setFloat32(t,i,!0);break;default:(0,B.xb)(a),(0,B.vA)(!1)}}getDecodeQueueSize(){return 0}decode(e){let t=(0,B.Zc)(e.data),i=e.byteLength/this.decoderConfig.numberOfChannels/this.inputSampleSize,r=new ArrayBuffer(i*this.decoderConfig.numberOfChannels*this.outputSampleSize),a=new DataView(r);for(let e=0;e<i*this.decoderConfig.numberOfChannels;e++){let i=e*this.inputSampleSize,r=e*this.outputSampleSize,s=this.readInputValue(t,i);this.writeOutputValue(a,r,s)}let s=i/this.decoderConfig.sampleRate;(null===this.currentTimestamp||Math.abs(e.timestamp-this.currentTimestamp)>=s)&&(this.currentTimestamp=e.timestamp);let n=this.currentTimestamp;this.currentTimestamp+=s;let o=new rA.B1({format:this.outputFormat,data:r,numberOfChannels:this.decoderConfig.numberOfChannels,sampleRate:this.decoderConfig.sampleRate,numberOfFrames:i,timestamp:n});this.onSample(o)}async flush(){}close(){}}class r$ extends rD{constructor(e){if(!(e instanceof rZ))throw TypeError("audioTrack must be an InputAudioTrack.");super(),this._track=e}async _createDecoder(e,t){if(!await this._track.canDecode())throw Error("This audio track cannot be decoded by this browser. Make sure to check decodability before using a track.");let i=await this._track.getCodec(),r=await this._track.getDecoderConfig();return((0,B.vA)(i&&r),O.Wq.includes(r.codec))?new rK(e,t,r):new rH(e,t,i,r)}_createPacketSink(){return new rM(this._track)}async getSample(e,t={}){for await(let i of(rB(e),this.mediaSamplesAtTimestamps([e],t)))return i;throw Error("Internal error: Iterator returned nothing.")}samples(e,t,i={}){return this.mediaSamplesInRange(e,t,i)}samplesAtTimestamps(e,t={}){return this.mediaSamplesAtTimestamps(e,t)}}class rj{constructor(e){if(!(e instanceof rZ))throw TypeError("audioTrack must be an InputAudioTrack.");this._audioSampleSink=new r$(e)}_audioSampleToWrappedArrayBuffer(e){let t={buffer:e.toAudioBuffer(),timestamp:e.timestamp,duration:e.duration};return e.close(),t}async getBuffer(e,t){rB(e);let i=await this._audioSampleSink.getSample(e,t);return i&&this._audioSampleToWrappedArrayBuffer(i)}buffers(e,t,i){return(0,B.KY)(this._audioSampleSink.samples(e,t,i),e=>this._audioSampleToWrappedArrayBuffer(e))}buffersAtTimestamps(e,t){return(0,B.KY)(this._audioSampleSink.samplesAtTimestamps(e,t),e=>e&&this._audioSampleToWrappedArrayBuffer(e))}}class rQ{constructor(e,t){this.input=e,this._backing=t}isVideoTrack(){return this instanceof rY}isAudioTrack(){return this instanceof rZ}get id(){return this._backing.getId()}get number(){return this._backing.getNumber()}async getInternalCodecId(){return this._backing.getInternalCodecId()}get internalCodecId(){return rX(this._backing.getInternalCodecId(),"internalCodecId","getInternalCodecId")}async getLanguageCode(){return this._backing.getLanguageCode()}get languageCode(){return rX(this._backing.getLanguageCode(),"languageCode","getLanguageCode")}async getName(){return this._backing.getName()}get name(){return rX(this._backing.getName(),"name","getName")}async getTimeResolution(){return this._backing.getTimeResolution()}get timeResolution(){return rX(this._backing.getTimeResolution(),"timeResolution","getTimeResolution")}async isRelativeToUnixEpoch(){return this._backing.isRelativeToUnixEpoch()}async getUnixTimeForTimestamp(e){return this._backing.getUnixTimeForTimestamp(e)}async hasUnixTimeMapping(){return await this._backing.getUnixTimeForTimestamp(await this.getFirstTimestamp())!==null}async getDisposition(){return this._backing.getDisposition()}get disposition(){return rX(this._backing.getDisposition(),"disposition","getDisposition")}async getBitrate(){return this._backing.getBitrate()}async getAverageBitrate(){return this._backing.getAverageBitrate()}async getFirstTimestamp(){let e=await this._backing.getFirstPacket({metadataOnly:!0});return e?.timestamp??0}async computeDuration(e){let t=await this._backing.getPacket(1/0,{metadataOnly:!0,...e}

1),i=(t?.timestamp??0)+(t?.duration??0);return(0,B.gl)(i,await this.getTimeResolution())}async getDurationFromMetadata(e={}){return this._backing.getDurationFromMetadata(e)}async computePacketStats(e=1/0,t){let i=new rM(this),r=1/0,a=-1/0,s=0,n=0;for await(let o of i.packets(void 0,void 0,{metadataOnly:!0,...t})){if(s>=e&&o.timestamp>=a)break;r=Math.min(r,o.timestamp),a=Math.max(a,o.timestamp+o.duration),s++,n+=o.byteLength}return{packetCount:s,averagePacketRate:s?Number((s/(a-r)).toPrecision(16)):0,averageBitrate:s?Number((8*n/(a-r)).toPrecision(16)):0}}async isLive(){return await this._backing.getLiveRefreshInterval()!==null}async getLiveRefreshInterval(){return this._backing.getLiveRefreshInterval()}canBePairedWith(e){if(!(e instanceof rQ))throw TypeError("other must be an InputTrack.");return this.input===e.input&&this!==e&&(this._backing.getPairingMask()&e._backing.getPairingMask())!==0n}async getPairableTracks(e){return this.input.getTracks(r3({filter:e=>e.canBePairedWith(this)},e))}async getPairableVideoTracks(e){return this.input.getVideoTracks(r3({filter:e=>e.canBePairedWith(this)},e))}async getPairableAudioTracks(e){return this.input.getAudioTracks(r3({filter:e=>e.canBePairedWith(this)},e))}async getPrimaryPairableVideoTrack(e){return this.input.getPrimaryVideoTrack(r3({filter:e=>e.canBePairedWith(this)},e))}async getPrimaryPairableAudioTrack(e){return this.input.getPrimaryAudioTrack(r3({filter:e=>e.canBePairedWith(this)},e))}async hasPairableTrack(e){for(let t of(e&&=rG(e),await this.input.getTracks()))if(this.canBePairedWith(t)&&(!e||await e(t)))return!0;return!1}hasPairableVideoTrack(e){return e&&=rG(e),this.hasPairableTrack(async t=>t.isVideoTrack()&&(!e||await e(t)))}hasPairableAudioTrack(e){return e&&=rG(e),this.hasPairableTrack(async t=>t.isAudioTrack()&&(!e||await e(t)))}}let rX=(e,t,i)=>{if(e instanceof Promise)throw Error(`'${t}' is deprecated and not available synchronously for this track. Use the preferred '${i}()' instead.`);return e},rG=e=>{if(void 0!==e&&"function"!=typeof e)throw TypeError("predicate, when provided, must be a function.");return e?t=>{let i=e=>{if("boolean"!=typeof e)throw TypeError("predicate must return or resolve to a boolean value.");return e},r=e(t);return r instanceof Promise?r.then(i):i(r)}:void 0};class rY extends rQ{constructor(e,t){super(e,t),this._pixelAspectRatioCache=null,this._backing=t}get type(){return"video"}async getCodec(){return this._backing.getCodec()}get codec(){return rX(this._backing.getCodec(),"codec","getCodec")}async hasOnlyKeyPackets(){return await this._backing.getHasOnlyKeyPackets?.()??await this._backing.getCodec()==="prores"}async getCodedWidth(){return this._backing.getCodedWidth()}get codedWidth(){return rX(this._backing.getCodedWidth(),"codedWidth","getCodedWidth")}async getCodedHeight(){return this._backing.getCodedHeight()}get codedHeight(){return rX(this._backing.getCodedHeight(),"codedHeight","getCodedHeight")}async getRotation(){return this._backing.getRotation()}get rotation(){return rX(this._backing.getRotation(),"rotation","getRotation")}async getSquarePixelWidth(){return this._backing.getSquarePixelWidth()}get squarePixelWidth(){return rX(this._backing.getSquarePixelWidth(),"squarePixelWidth","getSquarePixelWidth")}async getSquarePixelHeight(){return this._backing.getSquarePixelHeight()}get squarePixelHeight(){return rX(this._backing.getSquarePixelHeight(),"squarePixelHeight","getSquarePixelHeight")}async getPixelAspectRatio(){return this._pixelAspectRatioCache??=(0,B.Yf)({num:await this.get

1SquarePixelWidth()*await this.getCodedHeight(),den:await this.getSquarePixelHeight()*await this.getCodedWidth()})}get pixelAspectRatio(){return this._pixelAspectRatioCache??=(0,B.Yf)({num:rX(this._backing.getSquarePixelWidth(),"pixelAspectRatio","getPixelAspectRatio")*rX(this._backing.getCodedHeight(),"pixelAspectRatio","getPixelAspectRatio"),den:rX(this._backing.getSquarePixelHeight(),"pixelAspectRatio","getPixelAspectRatio")*rX(this._backing.getCodedWidth(),"pixelAspectRatio","getPixelAspectRatio")})}async getDisplayWidth(){let e=await this._backing.getMetadataDisplayWidth?.();return null!=e?e:await this.getRotation()%180==0?this.getSquarePixelWidth():this.getSquarePixelHeight()}get displayWidth(){let e=this._backing.getMetadataDisplayWidth?.();if(void 0!==e){let t=rX(e,"displayWidth","getDisplayWidth");if(null!==t)return t}let t=rX(this._backing.getRotation(),"displayWidth","getDisplayWidth")%180==0?this._backing.getSquarePixelWidth():this._backing.getSquarePixelHeight();return rX(t,"displayWidth","getDisplayWidth")}async getDisplayHeight(){let e=await this._backing.getMetadataDisplayHeight?.();return null!=e?e:await this.getRotation()%180==0?this.getSquarePixelHeight():this.getSquarePixelWidth()}get displayHeight(){let e=this._backing.getMetadataDisplayHeight?.();if(void 0!==e){let t=rX(e,"displayHeight","getDisplayHeight");if(null!==t)return t}let t=rX(this._backing.getRotation(),"displayHeight","getDisplayHeight")%180==0?this._backing.getSquarePixelHeight():this._backing.getSquarePixelWidth();return rX(t,"displayHeight","getDisplayHeight")}async getColorSpace(){return this._backing.getColorSpace()}async hasHighDynamicRange(){let e=await this._backing.getColorSpace();return"bt2020"===e.primaries||"smpte432"===e.primaries||"pq"===e.transfer||"hlg"===e.transfer||"bt2020-ncl"===e.matrix}

1async canBeTransparent(){return this._backing.canBeTransparent()}async getDecoderConfig(){return this._backing.getDecoderConfig()}async getCodecParameterString(){let e=await this._backing.getMetadataCodecParameterString?.();if(null!=e)return e;let t=await this._backing.getDecoderConfig();return t?.codec??null}async canDecode(){try{let e=await this._backing.getDecoderConfig();if(!e)return!1;let t=await this._backing.getCodec();if((0,B.vA)(null!==t),rx.wb.some(i=>i.supports(t,e)))return!0;if("u"<typeof VideoDecoder)return!1;let i=await VideoDecoder.isConfigSupported(e);return!0===i.supported}catch(e){return E.y._error("Error during decodability check:",e),!1}}async determinePacketType(e){if(!(e instanceof eO.Z))throw TypeError("packet must be an EncodedPacket.");if(e.isMetadataOnly)throw TypeError("packet must not be metadata-only to determine its type.");let t=await this.getCodec();if(null===t)return null;let i=await this.getDecoderConfig();return(0,B.vA)(i),e_(t,i,e.data)}async computeFrameRateMetrics(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.targetPacketCount&&(!Number.isFinite(e.targetPacketCount)||e.targetPacketCount<0))throw TypeError("options.targetPacketCount must be a non-negative number.");let t=await this.getTimeResolution(),i=e.targetPacketCount??256,r=new rM(this),a=[],s=-1/0,n=0;for await(let e of r.packets(void 0,void 0,{metadataOnly:!0})){if(a.length>=i&&e.timestamp>=s)break;a.push(e.timestamp),s=Math.max(s,e.timestamp),n++}let o=new Float64Array(a.length);for(let e=0;e<a.length;e++)o[e]=Math.round(a[e]*t);o.sort();let l=1;for(let e=1;e<o.length;e++)o[e]!==o[l-1]&&(o[l++]=o[e]);if(l<2)return{underlyingFrameRate:null,bestGuessFrameRate:t,minFrameRate:t,maxFrameRate:t,averageFrameRate:t,medianFrameRate:t,frameRateIsConstant:!0,probedPacketCount:n};let c=o.subarray(0,l),u=r4(c,t),d=u??t,h=null!==u?t/u:null,m=new Map,f=1/0,p=-1/0,g=0;for(let e=1;e<l;e++){let t=c[e]-c[e-1],i=null!==h?Math.max(1,Math.round(t/h)):t;m.set(i,(m.get(i)??0)+1),f=Math.min(f,i),p=Math.max(p,i),g+=i}let k=l-1,y=[...m.keys()].sort((e,t)=>e-t),w=k-1>>1,b=k>>1,T=0,S=0,v=0;for(let e of y)if(v+=m.get(e),0===T&&v>w&&(T=e),v>b){S=e;break}let P=(d/T+d/S)/2;return{underlyingFrameRate:u,bestGuessFrameRate:null!==u?u:r5(P),minFrameRate:d/p,maxFrameRate:d/f,averageFrameRate:d*k/g,medianFrameRate:P,frameRateIsConstant:null!==u&&1===f&&1===p,probedPacketCount:n}}}class rZ extends rQ{constructor(e,t){super(e,t),this._backing=t}get type(){return"audio"}async getCodec(){return this._backing.getCodec()}get codec(){return rX(this._backing.getCodec(),"codec","getCodec")}async hasOnlyKeyPackets(){return await this._backing.getHasOnlyKeyPackets?.()??!0}async getNumberOfChannels(){return this._backing.getNumberOfChannels()}get numberOfChannels(){return rX(this._backing.getNumberOfChannels(),"numberOfChannels","getNumberOfChannels")}async getSampleRate(){return this._backing.getSampleRate()}get sampleRate(){return rX(this._backing.getSampleRate(),"sampleRate","getSampleRate")}async getDecoderConfig(){return this._backing.getDecoderConfig()}async getCodecParameterString(){let e=await this._backing.getMetadataCodecParameterString?.();if(null!=e)return e;let t=await this._backing.getDecoderConfig();return t?.codec??null}async canDecode(){try{let e=await this._backing.getDecoderConfig();if(!e)return!1;let t=await this._backing.getCodec();if((0,B.vA)(null!==t),rx.zx.some(i=>i.supports(t,e))||e.codec.startsWith("pcm-"))return!0;{if("u"<typeof AudioDecoder)return!1;let t=await AudioDecoder.isConfigSupported(e);return!0===t.supported}}catch(e){return E.y._error("Error during decodability check:",e),!1}}async determinePacketType(e){if(!(e instanceof eO.Z))throw TypeError("packet must be an EncodedPacket.");return await this.getCodec()===null?null:"key"}}let rJ=e=>e??1/0,r0=e=>-(e??-1/0),r1=e=>-e,r2=e=>{if("object"!=typeof e||!e)throw TypeError("query must be an object.");if(void 0!==e.filter&&"function"!=typeof e.filter)throw TypeError("query.filter, when provided, must be a function.");if(void 0!==e.sortBy&&"function"!=typeof e.sortBy)throw TypeError("query.sortBy, when provided, must be a function.");return{filter:e.filter?t=>{let i=e=>{if("boolean"!=typeof e)throw TypeError("query.filter must return or resolve to a boolean.");return e},r=e.filter(t);return r instanceof Promise?r.then(i):i(r)}:void 0,sortBy:e.sortBy?t=>{let i=e=>{if("number"!=typeof e&&(!Array.isArray(e)||!e.every(e=>"number"==typeof e)))throw TypeError("query.sortBy must return or resolve to a number or an array of numbers.");return e},r=e.sortBy(t);return r instanceof Promise?r.then(i):i(r)}:void 0}},r3=(e,t)=>

1({filter:e?.filter||t?.filter?i=>{let r=e?.filter?.(i)??!0,a=e=>!1!==e&&(t?.filter?.(i)??!0);return r instanceof Promise?r.then(a):a(r)}:void 0,sortBy:e?.sortBy||t?.sortBy?i=>{let r=e?.sortBy?.(i)??[],a=t?.sortBy?.(i)??[],s=(e,t)=>[...Array.isArray(e)?e:[e],...Array.isArray(t)?t:[t]];return r instanceof Promise||a instanceof Promise?Promise.all([r,a]).then(([e,t])=>s(e,t)):s(r,a)}:void 0}),r8=async(e,t)=>{let i=e;if(t?.filter){let r=e.map(e=>t.filter(e));if(r.some(e=>e instanceof Promise)){let t=await Promise.all(r);i=e.filter((e,i)=>t[i])}else i=e.filter((e,t)=>r[t])}if(!t?.sortBy)return i;let r=i.map(e=>t.sortBy(e)),a=r.some(e=>e instanceof Promise)?await Promise.all(r):r;return i.map((e,t)=>({track:e,sortValue:a[t]})).sort((e,t)=>{let i=Array.isArray(e.sortValue)?e.sortValue:[e.sortValue],r=Array.isArray(t.sortValue)?t.sortValue:[t.sortValue],a=Math.max(i.length,r.length);for(let e=0;e<a;e++){let t=i[e]??0,a=r[e]??0;if(t!==a)return t-a}return 0}).map(e=>e.track)},r4=(e,t)=>{let i=1+1e-9;if(e.length<2)return null;let r=new Float64Array(e.length-1);for(let t=1;t<e.length;t++){let i=e[t]-e[t-1];if(!(i>0))return null;r[t-1]=i}let a=r.slice();a.sort();let s=a[Math.floor(.05*a.length)];for(let e=0;e<6;e++){let e=0,t=0;for(let a of r){let r=Math.max(1,Math.round(a/s));Math.abs(a-r*s)>=i||(e+=a,t+=r)}if(0===t)return null;let a=e/t;if(Math.abs(a-s)<=1e-12*Math.max(1,s)){s=a;break}s=a}let n=0,o=0,l=0;for(let e of r){let t=Math.max(1,Math.round(e/s));Math.abs(e-t*s)>=i||(n++,o+=e,l+=t)}if(n/r.length<.98)return null;s=o/l;let c=1/Math.min(l,1e3),u=Math.max(Number.EPSILON,s-c),d=s+c,h=t/d,m=t/u,f=t/s,p=null,g=1/0;for(let e of[12,15,20,24e3/1001,24,25,3e4/1001,30,48,50,6e4/1001,60,100,12e4/1001,120,144,240]){if(e<h||e>m)continue;let t=Math.abs(e/f-1);t<g&&(p=e,g=t)}if(null===p){let e=r6(u,d,1e6),i=r6(h,m,1e6);if(i&&(!e||i.den<e.den||i.den===e.den&&i.num<=e.num))p=i.num/i.den;else{if(!e)return null;p=t*e.den/e.num}}let k=t/p,y=0;for(let e of r){let t=Math.max(1,Math.round(e/k));Math.abs(e-t*k)<i&&y++}return y/r.length<.98?null:p},r6=(e,t,i)=>{for(let r=1;r<=i;r++){let i=Math.floor(e*r)+1;if(i/r<t)return(0,B.Yf)({num:i,den:r})}return null},r5=e=>{for(let t of[24/1.001,30/1.001,60/1.001,120/1.001])if(5e-4>=Math.abs(t/e-1))return t;let t=e,i=1/0;for(let r of[12,15,20,24,25,30,48,50,60,100,120,144,240]){let a=Math.abs(r/e-1);a<=.025&&a<i&&(t=r,i=a)}return t};(0,B.XQ)();let r7=2;class r9 extends B.bk{get disposed(){return this._disposed}constructor(e){if(super(),this._demuxerPromise=null,this._format=null,this._trackBackingsCache=null,this._backingToTrack=new Map,this._disposed=!1,this._nextSourceCacheAge=0,this._sourceRefs=[],this._sourceCache=[],this._sourceCachePromises=[],this._onFormatDetermined=null,!e||"object"!=typeof e)throw TypeError("options must be an object.");if(!Array.isArray(e.formats)||e.formats.some(e=>!(e instanceof ri)))throw TypeError("options.formats must be an array of InputFormat.");if(!(e.source instanceof iU||e.source instanceof iz))throw TypeError("options.source must be a Source or SourceRef.");if(e.source instanceof iU&&e.source._disposed)throw TypeError("options.source must not be a disposed Source.");if(void 0!==e.initInput&&!(e.initInput instanceof r9))throw TypeError("options.initInput, when provided, must be an Input.");void 0!==e.formatOptions&&((e,t)=>{if(!e||"object"!=typeof e)throw TypeError(`${t}, when provided, must be an object.`);if(void 0!==e.isobmff){if(!e.isobmff||"object"!=typeof e.isobmff)throw TypeError(`${t}.isobmff, when provided, must be an object.`);if(void 0!==e.isobmff.resolveKeyId&&"function"!=typeof e.isobmff.resolveKeyId)throw TypeError(`${t}.isobmff.resolveKeyId, when provided, must be a function.`)}if(void 0!==e.hls){if(!e.hls||"object"!=typeof e.hls)throw TypeError(`${t}.hls, when provided, must be an object.`);if(void 0!==e.hls.offsetTimestampsByDateTime&&"boolean"!=typeof e.hls.offsetTimestampsByDateTime)throw TypeError(`${t}.hls.offsetTimestampsByDateTime, when provided, must be a boolean.`)}})(e.formatOptions,"formatOptions"),this._formats=e.formats,this._initInput=e.initInput??null,this._formatOptions=e.formatOptions??{},e.source instanceof iU?this._rootRef=e.source.ref():this._rootRef=e.source,this._sourceRefs.push(this._rootRef)}get _rootSource(){return this._rootRef.source}async _getSourceUncached(e){(0,B.vA)(this._rootSource instanceof iO);let t=await this._rootSource._resolveRequest(e);return this._emit("source",{source:t.source,request:e,isRoot:e.isRoot}),t}_getSourceCached(e,t=1){let i=this._sourceCache.find(i=>{let r;return i.cacheGroup===t&&(r=i.request,r.path===e.path)});if(i)return i.age++,Promise.resolve(i.sourceRef.source.ref());let r=this._sourceCachePromises.find(i=>{let r;return i.cacheGroup===t&&(r=i.request,r.path===e.path)});if(r)return r.promise.then(e=>e.sourceRef.source.ref());let a=(async()=>{let i=await this._getSourceUncached(e);if((0,B.v$)(this._sourceCache,e=>e.cacheGroup===t&&1===e.sourceRef.source._refCount)>=4){let e=(0,B.Yg)(this._sourceCache,e=>e.cacheGroup===t&&1===e.sourceRef.source._refCount?e.age:1/0);(0,B.vA)(-1!==e);let i=this._sourceCache[e];this._sourceCache.splice(e,1),i.sourceRef.free(),(0,B.Ai)(this._sourceRefs,i.sourceRef)}this._sourceRefs.push(i);let r=this._sourceCachePromises.findIndex(t=>t.request===e);return(0,B.vA)(-1!==r),this._sourceCachePromises.splice(r,1),{request:e,sourceRef:i,age:this._nextSourceCacheAge++,cacheGroup:t}})();return this._sourceCachePromises.push({request:e,cacheGroup:t,promise:a}),a.then(e=>{let t=e.sourceRef.source.ref();return this._sourceCache.push(e),t})}_getDemuxer(){return this._demuxerPromise??=(async()=>{for(let e of(this._reader=new ai(this._rootSource),this._emit("source",{source:this._rootSource,request:null,isRoot:!0}

1),this._formats))if(await e._canReadInput(this))return this._format=e,this._onFormatDetermined?.(e),e._createDemuxer(this);throw new ae})()}get source(){return this._rootSource}async getFormat(){return await this._getDemuxer(),(0,B.vA)(this._format),this._format}async canRead(){try{return await this._getDemuxer(),!0}catch(e){if(e instanceof ae)return!1;throw e}}async getFirstTimestamp(e){let t=(e??=await this.getTracks()).filter(e=>null!==e);if(0===t.length)return 0;let i=Math.min(...(await Promise.all(t.map(e=>e._backing.getFirstPacket({metadataOnly:!0})))).map(e=>e?.timestamp??1/0));return i===1/0?0:i}async computeDuration(e,t){let i=(e??=await this.getTracks()).filter(e=>null!==e);return 0===i.length?0:Math.max(...await Promise.all(i.map(e=>e.computeDuration(t))))}async getDurationFromMetadata(e,t){let i=(e??=await this.getTracks()).filter(e=>null!==e),r=(await Promise.all(i.map(e=>e.getDurationFromMetadata(t)))).filter(e=>null!==e);return 0===r.length?null:Math.max(...r)}async getTracks(e){return e&&=r2(e),r8((await this._getTrackBackings()).map(e=>this._wrapBackingAsTrack(e)),e)}async getVideoTracks(e){return e&&=r2(e),r8((await this.getTracks()).filter(e=>e.isVideoTrack()),e)}async getAudioTracks(e){return e&&=r2(e),r8((await this.getTracks()).filter(e=>e.isAudioTrack()),e)}async getPrimaryVideoTrack(e){let t=r3(e&&=r2(e),{sortBy:async e=>[r1((await e.getDisposition()).default),r1(await e.hasPairableAudioTrack()),r1(!await e.hasOnlyKeyPackets()),r0(await e.getBitrate())]});return(await this.getVideoTracks(t))[0]??null}async getPrimaryAudioTrack(e){e&&=r2(e);let t=await this.getPrimaryVideoTrack(),i=r3(e,{sortBy:async e=>[r1(!t||e.canBePairedWith(t)),r1((await e.getDisposition()).default),r0(await e.getBitrate())]});return(await this.getAudioTracks(i))[0]??null}async _getTrackBackings(){let e=await this._getDemuxer();return this._trackBackingsCache??=await e.getTrackBackings()}_wrapBackingAsTrack(e){let t=this._backingToTrack.get(e);if(t)return t;let i="video"===e.getType()?new rY(this,e):new rZ(this,e);return this._backingToTrack.set(e,i),i}async getMimeType(){return(await this._getDemuxer()).getMimeType()}async getMetadataTags(){return(await this._getDemuxer()).getMetadataTags()}dispose(){if(!this._disposed){for(let e of(this._disposed=!0,this._sourceRefs))e.free();this._sourceRefs.length=0,this._demuxerPromise&&this._demuxerPromise.then(e=>e.dispose()).catch(()=>{})}}[Symbol.dispose](){this.dispose()}}class ae extends Error{constructor(e="Input has an unsupported or unrecognizable format."){super(e),this.name="UnsupportedInputFormatError"}}class at extends Error{constructor(e="Input has been disposed."){super(e),this.name="InputDisposedError"}}class ai{constructor(e){this.source=e}get fileSize(){let e=this.source._getFileSize();if(void 0===e)throw Error("Reading file size too early; read required first.");return e}get fileSizeNonStrict(){return this.source._getFileSize()??null}requestSlice(e,t){if(this.source._disposed)throw new at;if(e<0||null!==this.fileSizeNonStrict&&e+t>this.fileSizeNonStrict)return null;if(0===t){let t=new Uint8Array(0);return new ar(t,(0,B.Zc)(t),0,e,e)}let i=e+t,r=this.source._read(e,i,0,iR);return r instanceof Promise?r.then(t=>t?new ar(t.bytes,t.view,t.offset,e,i):null):r?new ar(r.bytes,r.view,r.offset,e,i):null}requestSliceRange(e,t,i){if(this.source._disposed)throw new at;if(e<0)return null;if(null!==this.fileSizeNonStrict)return this.requestSlice(e,(0,B.qE)(this.fileSizeNonStrict-e,t,i));{let r=this.requestSlice(e,i),a=r=>r||((0,B.vA)(null!==this.fileSizeNonStrict),this.requestSlice(e,(0,B.qE)(this.fileSizeNonStrict-e,t,i)));return r instanceof Promise?r.then(a):a(r)}}requestEntireFile(){return null!==this.fileSizeNonStrict?this.requestSlice(0,this.fileSizeNonStrict):(async()=>{let e=[],t=0;for(;;){if(1===e.length&&null!==this.fileSizeNonStrict)return this.requestSlice(0,this.fileSizeNonStrict);let i=this.requestSliceRange(t,0,1024);if(i instanceof Promise&&(i=await i),!i||0===i.length)break;let r=as(i,i.length);e.push(r),t+=i.length}let i=new Uint8Array(t),r=0;for(let t of e)i.set(t,r),r+=t.length;return new ar(i,(0,B.Zc)(i),0,0,t)})()}}class ar{constructor(e,t,i,r,a){this.bytes=e,this.view=t,this.offset=i,this.start=r,this.end=a,this.bufferPos=r-i}static tempFromBytes(e){return new ar(e,(0,B.Zc)(e),0,0,e.length)}get length(){return this.end-this.start}get filePos(){return this.offset+this.bufferPos}set filePos(e){this.bufferPos=e-this.offset}get remainingLength(){return Math.max(this.end-this.filePos,0)}skip(e){this.bufferPos+=e}slice(e,t=this.end-e){if(e<this.start||e+t>this.end)throw RangeError("Slicing outside of original slice.");return new ar(this.bytes,this.view,this.offset,e,e+t)}}let aa=(e,t)=>{if(e.filePos<e.start||e.filePos+t>e.end)throw RangeError(`Tried reading [${e.filePos}, ${e.filePos+t}), but slice is [${e.start}, ${e.end}). This is likely an internal error, please report it alongside the file that caused it.`)},as=(e,t)=>{aa(e,t);let i=e.bytes.subarray(e.bufferPos,e.bufferPos+t);return e.bufferPos+=t,i},an=e=>(aa(e,1),e.view.getUint8(e.bufferPos++)),ao=(e,t)=>{aa(e,2);let i=e.view.getUint16(e.bufferPos,t);return e.bufferPos+=2,i},al=e=>{aa(e,2);let t=e.view.getUint16(e.bufferPos,!1);return e.bufferPos+=2,t},ac=e=>{aa(e,3);let t=(0,B.dq)(e.view,e.bufferPos,!1);return e.bufferPos+=3,t},au=e=>{aa(e,2);let t=e.view.getInt16(e.bufferPos,!1);return e.bufferPos+=2,t},ad=(e,t)=>{aa(e,4);let i=e.view.getUint32(e.bufferPos,t);return e.bufferPos+=4,i},ah=e=>{aa(e,4);let t=e.view.getUint32(e.bufferPos,!1);return e.bufferPos+=4,t},am=e=>{aa(e,4);let t=e.view.getUint32(e.bufferPos,!0);return e.bufferPos+=4,t},af=e=>{aa(e,4);let t=e.view.getInt32(e.bufferPos,!1);return e.bufferPos+=4,t},ap=(e,t)=>{let i,r;return t?(i=ad(e,!0),r=ad(e,!0)):(r=ad(e,!1),i=ad(e,!1)),0x100000000*r+i},ag=e=>0x100000000*ah(e)+ah(e),ak=e=>0x100000000*af(e)+ah(e),ay=e=>{let t,i=am(e);return 0x100000000*(aa(e,4),t=e.view.getInt32(e.bufferPos,!0),e.bufferPos+=4,t)+i},aw=e=>{aa(e,4);let t=e.view.getFloat32(e.bufferPos,!1);return e.bufferPos+=4,t},ab=e=>{aa(e,8);let t=e.view.getFloat64(e.bufferPos,!1);return e.bufferPos+=8,t},aT=(e,t)=>{aa(e,t);let i="";for(let r=0;r<t;r++)i+=String.fromCharCode(e.bytes[e.bufferPos++]);return i},aS=(e,t,i)=>B.su.decode(as(e,t)).split("\n").map(e=>e.trim()).filter(e=>e.length>0&&!i?.ignore?.(e));(f=x||(x={}))[f.Unsynchronisation=128]="Unsynchronisation",f[f.ExtendedHeader=64]="ExtendedHeader",f[f.ExperimentalIndicator=32]="ExperimentalIndicator",f[f.Footer=16]="Footer",(p=A||(A={}))[p.ISO_8859_1=0]="ISO_8859_1",p[p.UTF_16_WITH_BOM=1]="UTF_16_WITH_BOM",p[p.UTF_16_BE_NO_BOM=2]="UTF_16_BE_NO_BOM",p[p.UTF_8=3]="UTF_8";let av=128,aP=10,a_=["Blues","Classic rock","Country","Dance","Disco","Funk","Grunge","Hip-hop","Jazz","Metal","New age","Oldies","Other","Pop","Rhythm and blues","Rap","Reggae","Rock","Techno","Industrial","Alternative","Ska","Death metal","Pranks","Soundtrack","Euro-techno","Ambient","Trip-hop","Vocal","Jazz & funk","Fusion","Trance","Classical","Instrumental","Acid","House","Game","S

1ound clip","Gospel","Noise","Alternative rock","Bass","Soul","Punk","Space","Meditative","Instrumental pop","Instrumental rock","Ethnic","Gothic","Darkwave","Techno-industrial","Electronic","Pop-folk","Eurodance","Dream","Southern rock","Comedy","Cult","Gangsta","Top 40","Christian rap","Pop/funk","Jungle music","Native US","Cabaret","New wave","Psychedelic","Rave","Showtunes","Trailer","Lo-fi","Tribal","Acid punk","Acid jazz","Polka","Retro","Musical","Rock 'n' roll","Hard rock","Folk","Folk rock","National folk","Swing","Fast fusion","Bebop","Latin","Revival","Celtic","Bluegrass","Avantgarde","Gothic rock","Progressive rock","Psychedelic rock","Symphonic rock","Slow rock","Big band","Chorus","Easy listening","Acoustic","Humour","Speech","Chanson","Opera","Chamber music","Sonata","Symphony","Booty bass","Primus","Porn groove","Satire","Slow jam","Club","Tango","Samba","Folklore","Ballad","Power ballad","Rhythmic Soul","Freestyle","Duet","Punk rock","Drum solo","A cappella","Euro-house","Dance hall","Goa music","Drum & bass","Club-house","Hardcore techno","Terror","Indie","Britpop","Negerpunk","Polsk punk","Beat","Christian gangsta rap","Heavy metal","Black metal","Crossover","Contemporary Christian","Christian rock","Merengue","Salsa","Thrash metal","Anime","Jpop","Synthpop","Christmas","Art rock","Baroque","Bhangra","Big beat","Breakbeat","Chillout","Downtempo","Dub","EBM","Eclectic","Electro","Electroclash","Emo","Experimental","Garage","Global","IDM","Illbient","Industro-Goth","Jam Band","Krautrock","Leftfield","Lounge","Math rock","New romantic","Nu-breakz","Post-punk","Post-rock","Psytrance","Shoegaze","Space rock","Trop rock","World music","Neoclassical","Audiobook","Audio theatre","Neue Deutsche Welle","Podcast","Indie rock","G-Funk","Dubstep","Garage rock","Psybient"],aI=(e,t)=>{let i,r=e.filePos;t.raw??={},t.raw.TAG??=as(e,av-3),e.filePos=r;let a=aC(e,30);a&&(t.title??=a);let s=aC(e,30);s&&(t.artist??=s);let n=aC(e,30);n&&(t.album??=n);let o=Number.parseInt(aC(e,4),10);Number.isInteger(o)&&o>0&&(t.date??=new Date(String(o)));let l=as(e,30);if(0===l[28]&&0!==l[29]){let r=l[29];r>0&&(t.trackNumber??=r),e.skip(-30),i=aC(e,28),e.skip(2)}else e.skip(-30),i=aC(e,30);i&&(t.comment??=i);let c=an(e);c<a_.length&&(t.genre??=a_[c])},aC=(e,t)=>{let i=as(e,t),r=(0,B.Sf)(i.indexOf(0),i.length),a=i.subarray(0,r),s="";for(let e=0;e<a.length;e++)s+=String.fromCharCode(a[e]);return s.trimEnd()},ax=e=>{let t=e.filePos,i=aT(e,3),r=an(e),a=an(e),s=an(e),n=ah(e);if("ID3"!==i||255===r||255===a||(0x80808080&n)!=0)return e.filePos=t,null;let o=H(n);return s&x.Footer&&(o+=aP),{majorVersion:r,revision:a,flags:s,size:o}},aA=(e,t,i)=>{if(![2,3,4].includes(t.majorVersion))return void E.y._warn(`Unsupported ID3v2 major version: ${t.majorVersion}`);let r=as(e,t.flags&x.Footer?t.size-aP:t.size),a=new aE(t,r);if(t.flags&x.Unsynchronisation&&3===t.majorVersion&&a.ununsynchronizeAll(),t.flags&x.ExtendedHeader){let e=a.readU32();3===t.majorVersion?a.pos+=e:a.pos+=e-4}for(;a.pos<=a.bytes.length-a.frameHeaderSize();){let e=a.readId3V2Frame();if(!e)break;let r=a.pos,s=a.pos+e.size,n=!1,o=!1,l=!1;if(3===t.majorVersion?(n=!!(64&e.flags),o=!!(128&e.flags)):4===t.majorVersion&&(n=!!(4&e.flags),o=!!(8&e.flags),l=!!(2&e.flags)||!!(t.flags&x.Unsynchronisation)),n){E.y._warn(`Skipping encrypted ID3v2 frame ${e.id}`),a.pos=s;continue}if(o){E.y._warn(`Skipping compressed ID3v2 frame ${e.id}`),a.pos=s;continue}if(l&&a.ununsynchronizeRegion(a.pos,s),i.raw??={},"TXXX"===e.id){let e=i.raw.TXXX??={},t=a.readId3V2TextEncoding(),r=a.readId3V2Text(t,s),n=a.readId3V2Text(t,s);e[r]??=n}else"T"===e.id[0]?i.raw[e.id]??=a.readId3V2EncodingAndText(s):i.raw[e.id]??=a.readBytes(e.size);switch(a.pos=r,e.id){case"TIT2":case"TT2":i.title??=a.readId3V2EncodingAndText(s);break;case"TIT3":case"TT3":i.description??=a.readId3V2EncodingAndText(s);break;case"TPE1":case"TP1":i.artist??=a.readId3V2EncodingAndText(s);break;case"TALB":case"TAL":i.album??=a.readId3V2EncodingAndText(s);break;case"TPE2":case"TP2":i.albumArtist??=a.readId3V2EncodingAndText(s);break;case"TRCK":case"TRK":{let e=a.readId3V2EncodingAndText(s).split("/"),t=Number.parseInt(e[0],10),r=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(i.trackNumber??=t),r&&Number.isInteger(r)&&r>0&&(i.tracksTotal??=r)}break;case"TPOS":case"TPA":{let e=a.readId3V2EncodingAndText(s).split("/"),t=Number.parseInt(e[0],10),r=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(i.discNumber??=t),r&&Number.isInteger(r)&&r>0&&(i.discsTotal??=r)}break;case"TCON":case"TCO":{let e=a.readId3V2EncodingAndText(s),t=/^\((\d+)\)/.exec(e);if(t){let e=Number.parseInt(t[1]);if(void 0!==a_[e]){i.genre??=a_[e];break}}if(t=/^\d+$/.exec(e)){let e=Number.parseInt(t[0]);if(void 0!==a_[e]){i.genre??=a_[e];break}}i.genre??=e}break;case"TDRC":case"TDAT":{let e=new Date(a.readId3V2EncodingAndText(s));Number.isNaN(e.getTime())||(i.date??=e)}break;case"TYER":case"TYE":{let e=Number.parseInt(a.readId3V2EncodingAndText(s),10);Number.isInteger(e)&&(i.date??=new Date(String(e)))}break;case"USLT":case"ULT":{let e=a.readU8();a.pos+=3,a.readId3V2Text(e,s),i.lyrics??=a.readId3V2Text(e,s)}break;case"COMM":case"COM":{let e=a.readU8();a.pos+=3,a.readId3V2Text(e,s),i.comment??=a.readId3V2Text(e,s)}break;case"APIC":case"PIC":{let e,r=a.readId3V2TextEncoding();if(2===t.majorVersion){let t=a.readAscii(3);e="PNG"===t?"image/png":"JPG"===t?"image/jpeg":"image/*"}else e=a.readId3V2Text(r,s);let n=a.readU8(),o=a.readId3V2Text(r,s).trimEnd(),l=s-a.pos;if(l>=0){let t=a.readBytes(l);i.images||(i.images=[]),i.images.push({data:t,mimeType:e,kind:3===n?"coverFront":4===n?"coverBack":"unknown",de

1scription:o})}}break;default:a.pos+=e.size}a.pos=s}};class aE{constructor(e,t){this.header=e,this.bytes=t,this.pos=0,this.view=new DataView(t.buffer,t.byteOffset,t.byteLength)}frameHeaderSize(){return 2===this.header.majorVersion?6:10}ununsynchronizeAll(){let e=[];for(let t=0;t<this.bytes.length;t++){let i=this.bytes[t];e.push(i),255===i&&t!==this.bytes.length-1&&0===this.bytes[t]&&t++}this.bytes=new Uint8Array(e),this.view=new DataView(this.bytes.buffer)}ununsynchronizeRegion(e,t){let i=[];for(let r=e;r<t;r++){let e=this.bytes[r];i.push(e),255===e&&r!==t-1&&0===this.bytes[r+1]&&r++}let r=this.bytes.subarray(0,e),a=this.bytes.subarray(t);this.bytes=new Uint8Array(r.length+i.length+a.length),this.bytes.set(r,0),this.bytes.set(i,r.length),this.bytes.set(a,r.length+i.length),this.view=new DataView(this.bytes.buffer)}readBytes(e){let t=this.bytes.subarray(this.pos,this.pos+e);return this.pos+=e,t}readU8(){let e=this.view.getUint8(this.pos);return this.pos+=1,e}readU16(){let e=this.view.getUint16(this.pos,!1);return this.pos+=2,e}readU24(){let e=this.view.getUint16(this.pos,!1),t=this.view.getUint8(this.pos+2);return this.pos+=3,256*e+t}readU32(){let e=this.view.getUint32(this.pos,!1);return this.pos+=4,e}readAscii(e){let t="";for(let i=0;i<e;i++)t+=String.fromCharCode(this.view.getUint8(this.pos+i));return this.pos+=e,t}readId3V2Frame(){if(2===this.header.majorVersion){let e=this.readAscii(3);return"\0\0\0"===e?null:{id:e,size:this.readU24(),flags:0}}{let e=this.readAscii(4);if("\0\0\0\0"===e)return null;let t=this.readU32(),i=4===this.header.majorVersion?H(t):t,r=this.readU16(),a=this.pos,s=e=>{let t=this.pos+e;if(t>this.bytes.length)return!1;if(t<=this.bytes.length-this.frameHeaderSize()){this.pos+=e;let t=this.readAscii(4);if("\0\0\0\0"!==t&&!/[0-9A-Z]{4}/.test(t))return!1}return!0};if(!s(i)){let e=4===this.header.majorVersion?t:H(t);s(e)&&(i=e)}return this.pos=a,{id:e,size:i,flags:r}}}readId3V2TextEncoding(){let e=this.readU8();if(e>3)throw Error(`Unsupported text encoding: ${e}`);return e}readId3V2Text(e,t){let i=this.pos,r=this.readBytes(t-this.pos);switch(e){case A.ISO_8859_1:{let e="";for(let t=0;t<r.length;t++){let a=r[t];if(0===a){this.pos=i+t+1;break}e+=String.fromCharCode(a)}return e}case A.UTF_16_WITH_BOM:if(255===r[0]&&254===r[1]){let e=new TextDecoder("utf-16le"),t=(0,B.Sf)(r.findIndex((e,t)=>0===e&&0===r[t+1]&&t%2==0),r.length);return this.pos=i+Math.min(t+2,r.length),e.decode(r.subarray(2,t))}if(254===r[0]&&255===r[1]){let e=new TextDecoder("utf-16be"),t=(0,B.Sf)(r.findIndex((e,t)=>0===e&&0===r[t+1]&&t%2==0),r.length);return this.pos=i+Math.min(t+2,r.length),e.decode(r.subarray(2,t))}{let e=(0,B.Sf)(r.findIndex(e=>0===e),r.length);return this.pos=i+Math.min(e+1,r.length),B.su.decode(r.subarray(0,e))}case A.UTF_16_BE_NO_BOM:{let e=new TextDecoder("utf-16be"),t=(0,B.Sf)(r.findIndex((e,t)=>0===e&&0===r[t+1]&&t%2==0),r.length);return this.pos=i+Math.min(t+2,r.length),e.decode(r.subarray(0,t))}case A.UTF_8:{let e=(0,B.Sf)(r.findIndex(e=>0===e),r.length);return this.pos=i+Math.min(e+1,r.length),B.su.decode(r.subarray(0,e))}}}readId3V2EncodingAndText(e){if(this.pos>=e)return"";let t=this.readId3V2TextEncoding();return this.readId3V2Text(t,e)}}class aB{constructor(e){this.helper=new Uint8Array(8),this.helperView=(0,B.Zc)(this.helper),this.writer=e}writeId3V2Tag(e){let t=this.writer.getPos();this.writeAscii("ID3"),this.writeU8(4),this.writeU8(0),this.writeU8(0),this.writeSynchsafeU32(0);let i=this.writer.getPos(),r=new Set;for(let{key:t,value:i}of(0,B.rk)(e))switch(t){case"title":this.writeId3V2TextFrame("TIT2",i),r.add("TIT2");break;case"description":this.writeId3V2TextFrame("TIT3",i),r.add("TIT3");break;case"artist":this.writeId3V2TextFrame("TPE1",i),r.add("TPE1");break;case"album":this.writeId3V2TextFrame("TALB",i),r.add("TALB");break;case"albumArtist":this.writeId3V2TextFrame("TPE2",i),r.add("TPE2");break;case"trackNumber":{let t=void 0!==e.tracksTotal?`${i}/${e.tracksTotal}`:i.toString();this.writeId3V2TextFrame("TRCK",t),r.add("TRCK")}break;case"discNumber":{let t=void 0!==e.discsTotal?`${i}/${e.discsTotal}`:i.toString();this.writeId3V2TextFrame("TPOS",t),r.add("TPOS")}break;case"genre":this.writeId3V2TextFrame("TCON",i),r.add("TCON");break;case"date":this.writeId3V2TextFrame("TDRC",i.toISOString().slice(0,10)),r.add("TDRC");break;case"lyrics":this.writeId3V2LyricsFrame(i),r.add("USLT");break;case"comment":this.writeId3V2CommentFrame(i),r.add("COMM");break;case"images":{let e={coverFront:3,coverBack:4,unknown:0};for(let t of i){let i=e[t.kind]??0,r=t.description??"";this.writeId3V2ApicFrame(t.mimeType,i,r,t.data)}}break;case"tracksTotal":case"discsTotal":case"raw":break;default:(0,B.xb)(t)}if(e.raw)for(let t in e.raw){let i,a=e.raw[t];if(!(null==a||4!==t.length||r.has(t))){if("string"==typeof a)if((0,B.H9)(a)){(i=new Uint8Array(a.length+2))[0]=A.ISO_8859_1;for(let e=0;e<a.length;

1e++)i[e+1]=a.charCodeAt(e)}else{let e=B.UG.encode(a);(i=new Uint8Array(e.byteLength+2))[0]=A.UTF_8,i.set(e,1)}else if(a instanceof Uint8Array)i=a;else{if(!("TXXX"===t&&(0,B.eA)(a)))continue;for(let e in a){let t=a[e],i=(0,B.H9)(e)&&(0,B.H9)(t),r=i?null:B.UG.encode(e),s=i?null:B.UG.encode(t),n=1+(i?e.length:r.byteLength)+1+(i?t.length:s.byteLength)+1;this.writeAscii("TXXX"),this.writeSynchsafeU32(n),this.writeU16(0),this.writeU8(i?A.ISO_8859_1:A.UTF_8),i?(this.writeIsoString(e),this.writeIsoString(t)):(this.writer.write(r),this.writeU8(0),this.writer.write(s),this.writeU8(0))}continue}this.writeAscii(t),this.writeSynchsafeU32(i.byteLength),this.writeU16(0),this.writer.write(i)}}let a=this.writer.getPos(),s=a-i;return this.writer.seek(t+6),this.writeSynchsafeU32(s),this.writer.seek(a),s+10}writeU8(e){this.helper[0]=e,this.writer.write(this.helper.subarray(0,1))}writeU16(e){this.helperView.setUint16(0,e,!1),this.writer.write(this.helper.subarray(0,2))}writeU32(e){this.helperView.setUint32(0,e,!1),this.writer.write(this.helper.subarray(0,4))}writeAscii(e){for(let t=0;t<e.length;t++)this.helper[t]=e.charCodeAt(t);this.writer.write(this.helper.subarray(0,e.length))}writeSynchsafeU32(e){this.writeU32((e=>{let t=127,i=0,r=e;for(;(0x7fffffff^t)!=0;)i=(r&~t)<<1|r&t,t=(t+1<<8)-1,r=i;return i})(e))}writeIsoString(e){let t=new Uint8Array(e.length+1);for(let i=0;i<e.length;i++)t[i]=e.charCodeAt(i);this.writer.write(t)}writeUtf8String(e){let t=B.UG.encode(e);this.writer.write(t),this.writeU8(0)}writeId3V2TextFrame(e,t){let i=(0,B.H9)(t),r=i?t.length:B.UG.encode(t).byteLength;this.writeAscii(e),this.writeSynchsafeU32(1+r+1),this.writeU16(0),this.writeU8(i?A.ISO_8859_1:A.UTF_8),i?this.writeIsoString(t):this.writeUtf8String(t)}writeId3V2LyricsFrame(e){let t=(0,B.H9)(e),i=5+e.length+1;this.writeAscii("USLT"),this.writeSynchsafeU32(i),this.writeU16(0),this.writeU8(t?A.ISO_8859_1:A.UTF_8),this.writeAscii("und"),t?(this.writeIsoString(""),this.writeIsoString(e)):(this.writeUtf8String(""),this.writeUtf8String(e))}writeId3V2CommentFrame(e){let t=(0,B.H9)(e),i=t?e.length:B.UG.encode(e).byteLength;this.writeAscii("COMM"),this.writeSynchsafeU32(5+i+1),this.writeU16(0),this.writeU8(t?A.ISO_8859_1:A.UTF_8),this.writeU8(117),this.writeU8(110),this.writeU8(100),t?(this.writeIsoString(""),this.writeIsoString(e)):(this.writeUtf8String(""),this.writeUtf8String(e))}writeId3V2ApicFrame(e,t,i,r){let a=(0,B.H9)(e)&&(0,B.H9)(i),s=a?i.length:B.UG.encode(i).byteLength,n=1+e.length+1+1+s+1+r.byteLength;this.writeAscii("APIC"),this.writeSynchsafeU32(n),this.writeU16(0),this.writeU8(a?A.ISO_8859_1:A.UTF_8),a?this.writeIsoString(e):this.writeUtf8String(e),this.writeU8(t),a?this.writeIsoString(i):this.writeUtf8String(i),this.writer.write(r)}}class aF{constructor(e){this.mutex=new B.aD,this.trackTimestampInfo=new WeakMap,this.output=e}onTrackClose(e){}validateTimestamp(e,t,i){if(t<0)throw Error(`Timestamps must be non-negative (got ${t}s).`);let r=this.trackTimestampInfo.get(e);if(r){if(i&&(r.maxTimestampBeforeLastKeyPacket=r.maxTimestamp),null!==r.maxTimestampBeforeLastKeyPacket&&t<r.maxTimestampBeforeLastKeyPacket)throw Error(`Timestamps cannot be smaller than the largest timestamp of the previous GOP (a GOP begins with a key packet and ends right before the next key packet). Got ${t}s, but largest timestamp is ${r.maxTimestampBeforeLastKeyPacket}s.`);r.maxTimestamp=Math.max(r.maxTimestamp,t)}else{if(!i)throw Error("First packet must be a key packet.");r={maxTimestamp:t,maxTimestampBeforeLastKeyPacket:null},this.trackTimestampInfo.set(e,r)}}}class aM extends aF{constructor(e,t){super(e),this.header=null,this.headerBitstream=null,this.inputIsAdts=null,this.format=t}async start(){let e=await this.mutex.acquire();this.writer=await this.output._getRootWriter(!0),D(this.output._metadataTags)||new aB(this.writer).writeId3V2Tag(this.output._metadataTags),e()}async getMimeType(){return"audio/aac"}async addEncodedVideoPacket(){throw Error("ADTS does not support video.")}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{if(this.validateTimestamp(e,t.timestamp,"key"===t.type),null===this.inputIsAdts){(0,O.P7)(i,e.source._codec);let t=i?.decoderConfig?.description;if(this.inputIsAdts=!t,!this.inputIsAdts){let e=(0,z.zF)((0,B.Fo)(t)),i=(0,z.k9)(e);this.header=i.header,this.headerBitstream=i.bitstream}}if(this.inputIsAdts){let e=this.writer.getPos();this.writer.write(t.data),this.format._options.onFrame&&this.format._options.onFrame(t.data,e)}else{(0,B.vA)(this.header);let e=t.data.byteLength+this.header.byteLength;(0,z.hY)(this.headerBitstream,e);let i=this.writer.getPos();if(this.writer.write(this.header),this.writer.write(t.data),this.format._options.onFrame){let r=new Uint8Array(e);r.set(this.header,0),r.set(t.data,this.header.byteLength),this.format._options.onFrame(r,i)}}await this.writer.flush()}finally{r()}}async addSubtitleCue(){throw Error("ADTS does not support subtitles.")}async finalize(){let e=await this.mutex.acquire();if(null===this.inputIsAdts)throw Error("Cannot finalize an empty ADTS file: not a single packet was added.");e()}}let aR=new Uint8Array([102,76,97,67]);class aD extends aF{constructor(e,t){super(e),this.metadataWritten=!1,this.blockSizes=[],this.frameSizes=[],this.sampleRate=null,this.channels=null,this.bitsPerSample=null,this.format=t}async start(){let e=await this.mutex.acquire();this.writer=await this.output._getRootWriter(!!this.format._options.appendOnly),this.writer.write(aR);let t=this.output.tracks[0];(0,B.vA)(t?.isAudioTrack()),t.metadata.decoderConfig&&((0,O.P7)({decoderConfig:t.metadata.decoderConfig},t.source._codec),this.applyDecoderConfig(t.metadata.decoderConfig)),e()}applyDecoderConfig(e){(0,B.vA)(e.description),this.sampleRate=e.sampleRate,this.channels=e.numberOfChannels;let t=new Q._((0,B.Fo)(e.description));t.skipBits(167),this.bitsPerSample=t.readBits(5)+1,this.format._options.appendOnly&&this.writeHeader({minimumBlockSize:16,maximumBlockSize:65535,minimumFrameSize:0,maximumFrameSize:0,sampleRate:this.sampleRate,channels:this.channels,bitsPerSample:this.bitsPerSample,totalSamples:0})}writeHeader({bitsPerSample:e,minimumBlockSize:t,maximumBlockSize:i,minimumFrameSize:r,maximumFrameSize:a,sampleRate:s,

1channels:n,totalSamples:o}){(0,B.vA)(4===this.writer.getPos());let l=!D(this.output._metadataTags),c=new Q._(new Uint8Array(4));c.writeBits(1,Number(!l)),c.writeBits(7,S.STREAMINFO),c.writeBits(24,34),this.writer.write(c.bytes);let u=new Q._(new Uint8Array(18));if(u.writeBits(16,t),u.writeBits(16,i),u.writeBits(24,r),u.writeBits(24,a),u.writeBits(20,s),u.writeBits(3,n-1),u.writeBits(5,e-1),o>=0x100000000)throw Error("This muxer only supports writing up to 2 ** 32 samples");u.writeBits(4,0),u.writeBits(32,o),this.writer.write(u.bytes),this.writer.write(new Uint8Array(16))}writePictureBlock(e){let t=32+e.mimeType.length+(e.description?.length??0)+e.data.length,i=new Uint8Array(t),r=0,a=(0,B.Zc)(i);a.setUint32(r,"coverFront"===e.kind?3:4*("coverBack"===e.kind)),r+=4,a.setUint32(r,e.mimeType.length),r+=4,i.set(B.UG.encode(e.mimeType),8),r+=e.mimeType.length,a.setUint32(r,e.description?.length??0),r+=4,i.set(B.UG.encode(e.description??""),r),r+=e.description?.length??0,r+=16,a.setUint32(r,e.data.length),r+=4,i.set(e.data,r),r+=e.data.length,(0,B.vA)(r===t);let s=new Q._(new Uint8Array(4));s.writeBits(1,0),s.writeBits(7,S.PICTURE),s.writeBits(24,t),this.writer.write(s.bytes),this.writer.write(i)}writeVorbisCommentAndPictureBlock(){if(this.format._options.appendOnly||this.writer.seek(38+aR.byteLength),D(this.output._metadataTags)){this.metadataWritten=!0;return}for(let e of this.output._metadataTags.images??[])this.writePictureBlock(e);let e=eC(new Uint8Array(0),this.output._metadataTags,!1),t=new Q._(new Uint8Array(4));t.writeBits(1,1),t.writeBits(7,S.VORBIS_COMMENT),t.writeBits(24,e.length),this.writer.write(t.bytes),this.writer.write(e),this.metadataWritten=!0}async getMimeType(){return"audio/flac"}async addEncodedVideoPacket(){throw Error("FLAC does not support video.")}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{this.validateTimestamp(e,t.timestamp,"key"===t.type),null===this.sampleRate&&((0,O.P7)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i.decoderConfig),this.applyDecoderConfig(i.decoderConfig)),this.metadataWritten||this.writeVorbisCommentAndPictureBlock();let r=ar.tempFromBytes(t.data);r.skip(2);let a=as(r,2),s=new Q._(a),n=t8(s.readBits(4));if(null===n)throw Error("Invalid FLAC frame: Invalid block size.");t4(r);let o=t6(r,n);this.format._options.appendOnly||(this.blockSizes.push(o),this.frameSizes.push(t.data.length));let l=this.writer.getPos();this.writer.write(t.data),this.format._options.onFrame&&this.format._options.onFrame(t.data,l),await this.writer.flush()}finally{r()}}addSubtitleCue(){throw Error("FLAC does not support subtitles.")}async finalize(){let e=await this.mutex.acquire();if(null===this.sampleRate)throw Error("Cannot finalize an empty FLAC file: no packets were added and the track specified no decoderConfig in its metadata, so there's no telling what the file should look like.");if(this.metadataWritten||this.writeVorbisCommentAndPictureBlock(),!this.format._options.appendOnly){let e=1/0,t=0,i=1/0,r=0,a=0;for(let s=0;s<this.blockSizes.length;s++)i=Math.min(i,this.frameSizes[s]),r=Math.max(r,this.frameSizes[s]),t=Math.max(t,this.blockSizes[s]),a+=this.blockSizes[s],s!==this.blockSizes.length-1&&(e=Math.min(e,this.blockSizes[s]));0===this.blockSizes.length&&(e=16,t=65535,i=0,r=0),(0,B.vA)(null!==this.channels),(0,B.vA)(null!==this.bitsPerSample),this.writer.seek(4),this.writeHeader({minimumBlockSize:e,maximumBlockSize:t,minimumFrameSize:i,maximumFrameSize:r,sampleRate:this.sampleRate,channels:this.channels,bitsPerSample:this.bitsPerSample,totalSamples:a})}e()}}let aU=/(?:(.+?)\n)?((?:\d{2}:)?\d{2}:\d{2}.\d{3})\s+-->\s+((?:\d{2}:)?\d{2}:\d{2}.\d{3})/g,az=/^WEBVTT(.|\n)*?\n{2}/,aO=/<(?:(\d{2}):)?(\d{2}):(\d{2}).(\d{3})>/g;class aL{constructor(e){this.preambleText=null,this.preambleEmitted=!1,this.options=e}parse(e){let t;if(e=e.replaceAll("\r\n","\n").replaceAll("\r","\n"),aU.lastIndex=0,!this.preambleText){if(!az.test(e))throw Error("WebVTT preamble incorrect.");t=aU.exec(e);let i=e.slice(0,t?.index??e.length).trimEnd();if(!i)throw Error("No WebVTT preamble provided.");this.preambleText=i,t&&(e=e.slice(t.index),aU.lastIndex=0)}for(;t=aU.exec(e);){let i=e.slice(0,t.index),r=t[1],a=t.index+t[0].length,s=e.indexOf("\n",a)+1,n=e.slice(a,s).trim(),o=e.indexOf("\n\n",a);-1===o&&(o=e.length);let l=aW(t[2]),c=aW(t[3])-l,u=e.slice(s,o).trim();e=e.slice(o).trimStart(),aU.lastIndex=0;let d={timestamp:l/1e3,duration:c/1e3,text:u,identifier:r,settings:n,notes:i},h={};this.preambleEmitted||(h.config={description:this.preambleText},this.preambleEmitted=!0),this.options.output(d,h)}}}let aN=/(?:(\d{2}):)?(\d{2}):(\d{2}).(\d{3})/,aW=e=>{let t=aN.exec(e);if(!t)throw Error("Expected match.");return 36e5*Number(t[1]||"0")+6e4*Number(t[2])+1e3*Number(t[3])+Number(t[4])},aV=e=>{let t=Math.floor(e/36e5),i=Math.floor(e%36e5/6e4),r=Math.floor(e%6e4/1e3);return t.toString().padStart(2,"0")+":"+i.toString().padStart(2,"0")+":"+r.toString().padStart(2,"0")+"."+(e%1e3).toString().padStart(3,"0")};class aq{constructor(e){this.writer=e,this.helper=new Uint8Array(8),this.helperView=new DataView(this.helper.buffer),this.offsets=new WeakMap}writeU32(e){this.helperView.setUint32(0,e,!1),this.writer.write(this.helper.subarray(0,4))}writeU64(e){this.helperView.setUint32(0,Math.floor(e/0x100000000),!1),this.helperView.setUint32(4,e,!1),this.writer.write(this.helper.subarray(0,8))}writeAscii(e){for(let t=0;t<e.length;t++)this.helperView.setUint8(t%8,e.charCodeAt(t)),t%8==7&&this.writer.write(this.helper);e.length%8!=0&&this.writer.write(this.helper.subarray(0,e.length%8))}writeBox(e){if(this.offsets.set(e,this.writer.getPos()),e.contents&&!e.children)this.writeBoxHeader(e,e.size??e.contents.byteLength+8),this.writer.write(e.contents);else{let t=this.writer.getPos();if(this.writeBoxHeader(e,0),e.contents&&this.writer.write(e.contents),e.children)for(let t of e.children)t&&this.writeBox(t);let i=this.writer.getPos(),r=e.size??i-t;this.writer.seek(t),this.writeBoxHeader(e,r),this.writer.seek(i)}}writeBoxHeader(e,t){this.writeU32(e.largeSize?1:t),this.writeAscii(e.type),e.largeSize&&this.writeU64(t)}measureBoxHeader(e){return 8+8*!!e.largeSize}patchBox(e){let t=this.offsets.get(e);(0,B.vA)(void 0!==t);let i=this.writer.getPos();this.writer.seek(t),this.writeBox(e),this.writer.seek(i)}measureBox(e){if(e.contents&&!e.children)return this.measureBoxHeader(e)+e.contents.byteLength;{let t=this.measureBoxHeader(e);if(e.contents&&(t+=e.contents.byteLength),e.children)for(let i of e.children)i&&(t+=this.measureBox(i));return t}}}let aH=new Uint8Array(8),aK=new DataView(aH.buffer),a$=e=>[(e%256+256)%256],aj=e=>(aK.setUint16(0,e,!1),[aH[0],aH[1]]),aQ=e=>(aK.setInt16(0,e,!1),[aH[0],aH[1]]),aX=e=>(aK.setUint32(0,e,!1),[aH[1],aH[2],aH[3]]),aG=e=>(aK.setUint32(0,e,!1),[aH[0],aH[1],aH[2],aH[3]]),aY=e=>(aK.setInt32(0,e,!1),[aH[0],aH[1],aH[2],aH[3]]),aZ=e=>(aK.setUint32(0,Math.floor(e/0x100000000),!1),aK.setUint32(4,e,!1),[aH[0],aH[1],aH[2],aH[3],aH[4],aH[5],aH[6],aH[7]]),aJ=e=>(aK.setInt32(0,Math.floor(e/0x100000000),!1),aK.setUint32(4,e,!1),[aH[0],aH[1],aH[2],aH[3],aH[4],aH[5],aH[6],aH[7]]),a0=e=>(aK.setInt16(0,256*e,!1),[aH[0],aH[1]]),a1=e=>

1(aK.setInt32(0,65536*e,!1),[aH[0],aH[1],aH[2],aH[3]]),a2=e=>(aK.setInt32(0,0x40000000*e,!1),[aH[0],aH[1],aH[2],aH[3]]),a3=(e,t)=>{let i=[],r=e;do{let e=127&r;r>>=7,i.length>0&&(e|=128),i.push(e),void 0!==t&&t--}while(r>0||t);return i.reverse()},a8=(e,t=!1)=>{let i=Array(e.length).fill(null).map((t,i)=>e.charCodeAt(i));return t&&i.push(0),i},a4=e=>{let t=Math.PI/180*e,i=Math.round(Math.cos(t)),r=Math.round(Math.sin(t));return[i,r,0,-r,i,0,0,0,1]},a6=a4(0),a5=e=>[a1(e[0]),a1(e[1]),a2(e[2]),a1(e[3]),a1(e[4]),a2(e[5]),a1(e[6]),a1(e[7]),a2(e[8])],a7=(e,t,i)=>({type:e,contents:t&&new Uint8Array(t.flat(10)),children:i}),a9=(e,t,i,r,a)=>a7(e,[a$(t),aX(i),r??[]],a),se=()=>a7("styp",[a8("iso5"),aG(0),a8("iso5"),a8("iso6"),a8("mp41"),a8("cmfc"),a8("dash")]),st=(e,t)=>{let i=e.maxWrittenEndTimestamp-e.minWrittenTimestamp;return Number.isFinite(i)||(i=0),a9("sidx",1,0,[aG(1),aG(nk),aZ(nw(e.minWrittenTimestamp,nk)),aZ(0),aj(0),aj(1),aG(0x7fffffff&t),aG(nw(i,nk)),aG(0)])},si=e=>({type:"mdat",largeSize:e}),sr=e=>a7("moov",void 0,[sa(e.creationTime,e.trackDatas),...e.trackDatas.map(t=>sn(t,e.creationTime)),e.isFragmented?sq(e.trackDatas):null,s2(e)]),sa=(e,t)=>{let i=Math.max(0,...t.map(e=>nw(ss(e),nk)+nw(e.startTimestampOffset??0,nk))),r=Math.max(0,...t.map(e=>e.track.id))+1,a=!(0,B.vv)(e)||!(0,B.vv)(i),s=a?aZ:aG;return a9("mvhd",+a,0,[s(e),s(e),aG(nk),s(i),a1(1),a0(1),Array(10).fill(0),a5(a6),Array(24).fill(0),aG(r)])},ss=e=>{if(0===e.samples.length)return 0;let t=1/0,i=-1/0;for(let r=0;r<e.samples.length;r++){let a=e.samples[r];a.timestamp<t&&(t=a.timestamp),a.timestamp+a.duration>i&&(i=a.timestamp+a.duration)}return t===1/0?0:i-t},sn=(e,t)=>{let i=ny(e),r=null!==e.startTimestampOffset&&e.startTimestampOffset>0;return a7("trak",void 0,[so(e,t),r?sl(e,e.startTimestampOffset):null,sc(e,t),void 0!==i.name?a7("udta",void 0,[a7("name",[...B.UG.encode(i.name)])]):null])},so=(e,t)=>{let i,r=nw(ss(e),nk)+nw(e.startTimestampOffset??0,nk),a=!(0,B.vv)(t)||!(0,B.vv)(r),s=a?aZ:aG;i="video"===e.type?a4(e.track.metadata.rotation??0):a6;let n=2;e.track.metadata.disposition?.default!==!1&&(n|=1);let o="video"===e.type?0:"audio"===e.type?1:"subtitle"===e.type?2:(0,B.xb)(e);return a9("tkhd",+a,n,[s(t),s(t),aG(e.track.id),aG(0),s(r),Array(8).fill(0),aj(0),aj(o),a0(+("audio"===e.type)),aj(0),a5(i),a1("video"===e.type?e.info.width:0),a1("video"===e.type?e.info.height:0)])},sl=(e,t)=>{let i=nw(t,nk),r=nw(ss(e),nk),a=!(0,B.vv)(i)||!(0,B.vv)(r),s=a?aZ:aG,n=a?aJ:aY;return a7("edts",void 0,[a9("elst",+!!a,0,[aG(2),s(i),n(-1),a1(1),s(r),n(0),a1(1)])])},sc=(e,t)=>a7("mdia",void 0,[su(e,t),sm(!0,sd[e.type],sh[e.type]),sf(e)]),su=(e,t)=>{let i=nw(ss(e),e.timescale),r=!(0,B.vv)(t)||!(0,B.vv)(i),a=r?aZ:aG;return a9("mdhd",+r,0,[a(t),a(t),aG(e.timescale),a(i),aj(nn(e.track.metadata.languageCode??B.IR)),aj(0)])},sd={video:"vide",audio:"soun",subtitle:"text"},sh={video:"MediabunnyVideoHandler",audio:"MediabunnySoundHandler",subtitle:"MediabunnyTextHandler"},sm=(e,t,i,r="\0\0\0\0")=>a9("hdlr",0,0,[e?a8("mhlr"):aG(0),a8(t),a8(r),aG(0),aG(0),a8(i,!0)]),sf=e=>a7("minf",void 0,[sp[e.type](),sg(),sw(e)]),sp={video:()=>a9("vmhd",0,1,[aj(0),aj(0),aj(0),aj(0)]),audio:()=>a9("smhd",0,0,[aj(0),aj(0)]),subtitle:()=>a9("nmhd",0,0)},sg=()=>a7("dinf",void 0,[sk()]),sk=()=>a9("dref",0,0,[aG(1)],[sy()]),sy=()=>a9("url ",0,1),sw=e=>{let t=e.compositionTimeOffsetTable.length>1||e.compositionTimeOffsetTable.some(e=>0!==e.sampleCompositionTimeOffset);return a7("stbl",void 0,[sb(e),sU(e),t?sW(e):null,t?sV(e):null,sO(e),sL(e),sN(e),sz(e)])},sb=e=>{let t;if("video"===e.type)t=sT(ne(e.track.source._codec,e.info.decoderConfig.codec),e);else if("audio"===e.type){let i=ni(e.track.source._codec,e.muxer.isQuickTime);(0,B.vA)(i),t=s_(i,e)}else"subtitle"===e.type&&(t=sD(na[e.track.source._codec],e));return(0,B.vA)(t),a9("stsd",0,0,[aG(1)],[t])},sT=(e,t)=>a7(e,[Array(6).fill(0),aj(1),aj(0),aj(0),Array(12).fill(0),aj(t.info.width),aj(t.info.height),aG(4718592),aG(4718592),aG(0),aj(1),a$(10),a8("Mediabunny"),Array(21).fill(0),aj(t.info.hasAlphaChannel?32:24),aQ(65535)],[nt[t.track.source._codec]?.(t)??null,sS(t),(0,B.HV)(t.info.decoderConfig.colorSpace)?sv(t):null]),sS=e=>e.info.pixelAspectRatio.num===e.info.pixelAspectRatio.den?null:a7("pasp",[aG(e.info.pixelAspectRatio.num),aG(e.info.pixelAspectRatio.den)]),sv=e=>a7("colr",[a8(e.muxer.isQuickTime?"nclc":"nclx"),aj(B.wd[e.info.decoderConfig.colorSpace.primaries]),aj(B.uN[e.info.decoderConfig.colorSpace.transfer]),aj(B.Au[e.info.decoderConfig.colorSpace.matrix]),e.muxer.isQuickTime?[]:a$(!!e.info.decoderConfig.colorSpace.fullRange<<7)]),sP=e=>{if(!e.info.decoderConfig)return null;let t=e.info.decoderConfig,i=t.codec.split("."),r=Number(i[1]),a=Number(i[2]),s=Number(i[3]),n=i[4]?Number(i[4]):1,o=i[8]?Number(i[8]):Number(t.colorSpace?.fullRange??0),l=i[5]?Number(i[5]):t.colorSpace?.primaries?B.wd[t.colorSpace.primaries]:2,c=i[6]?Number(i[6]):t.colorSpace?.transfer?B.uN[t.colorSpace.transfer]:2,u=i[7]?Number(i[7]):t.colorSpace?.matrix?B.Au[t.colorSpace.matrix]:2;return a9("vpcC",1,0,[a$(r),a$(a),a$((s<<4)+(n<<1)+o),a$(l),a$(c),a$(u),aj(0)])},s_=(e,t)=>{let i=0,r=16,a=O.Wq.includes(t.track.source._codec);if(a){let e=t.track.source._codec,{sampleSize:a}=(0,O.Ei)(e);(r=8*a)>16&&(i=1)}return t.muxer.isQuickTime&&(i=1),a7(e,0===i?[Array(6).fill(0),aj(1),aj(i),aj(0),aG(0),aj(t.info.numberOfChannels),aj(r),aj(0),aj(0),aj(t.info.sampleRate<65536?t.info.sampleRate:0),aj(0)]:[Array(6).fill(0),aj(1),aj(i),aj(0),aG(0),aj(t.info.numberOfChannels),aj(Math.min(r,16)),aQ(a?0:-2),aj(0),aj(t.info.sampleRate<65536?t.info.sampleRate:0),aj(0),a?[aG(1),aG(r/8),aG(t.info.numberOfChannels*r/8)]:[aG(0),aG(0),aG(0)],aG(2)],[nr(t.track.source._codec,t.muxer.isQuickTime)?.(t)??null])},sI=e=>{let t;switch(e.track.source._codec){case"aac":t=64;break;case"mp3":t=107;break;case"vorbis":t=221;break;default:throw Error(`Unhandled audio codec: ${e.track.source._codec}`)}let i=[...a$(t),...a$(21),...aX(0),...aG(0),...aG(0)];if(e.info.decoderConfig.description){let t=(0,B.Fo)(e.info.decoderConfig.description);i=[...i,...a$(5),...a3(t.byteLength),...t]}return i=[...aj(1),...a$(0),...a$(4),...a3(i.length),...i,...a$(6),...a$(1),...a$(2)],a9("esds",0,0,i=[...a$(3),...a3(i.length),...i])},sC=e=>a7("wave",void 0,[sx(e),sA(e),a7("\0\0\0\0")]),sx=e=>a7("frma",[a8(ni(e.track.source._codec,e.muxer.isQuickTime))]),sA=e=>{let{littleEndian:t}=(0,O.Ei)(e.track.source._codec);return a7("enda",[aj(+t)])},sE=e=>{let t=e.info.numberOfChannels,i=3840,r=e.info.sampleRate,a=0,s=0,n=new Uint8Array(0),o=e.info.decoderConfig?.description;if(o){(0,B.vA)(o.byteLength>=18);let e=eS((0,B.Fo)(o));t=e.outputChannelCount,i=e.preSkip,r=e.inputSampleRate,a=e.outputGain,s=e.channelMappingFamily,e.channelMappingTable&&(n=e.channelMappingTable)}return a7("dOps",[a$(0),a$(t),aj(i),aG(r),aQ(a),a$(s),...n])},sB=e=>{let t=e.info.decoderConfig?.description;return(0,B.vA)(t),a9("dfLa",0,0,[...(0,B.Fo)(t).subarray(4)])},sF=e=>{let{littleEndian:t,sampleSize:i}=(0,O.Ei)(e.track.source._codec);return a9("pcmC",0,0,[a$(+t),a$(8*i)])},sM=e=>{(0,B.vA)(e.info.primingPacket);let t=eA(e.info.primingPacket.data);if(!t)throw Error("Couldn't extract AC-3 frame info from the audio packet. 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1de),r.writeBits(5,0),a7("dac3",[...i])},sR=e=>{(0,B.vA)(e.info.primingPacket);let t=eR(e.info.primingPacket.data);if(!t)throw Error("Couldn't extract E-AC-3 frame info from the audio packet. Ensure the packets contain valid E-AC-3 sync frames (as specified in ETSI TS 102 366).");let i=16;for(let e of t.substreams)i+=23,e.numDepSub>0?i+=9:i+=1;let r=new Uint8Array(Math.ceil(i/8)),a=new Q._(r);for(let e of(a.writeBits(13,t.dataRate),a.writeBits(3,t.substreams.length-1),t.substreams))a.writeBits(2,e.fscod),a.writeBits(5,e.bsid),a.writeBits(1,0),a.writeBits(1,0),a.writeBits(3,e.bsmod),a.writeBits(3,e.acmod),a.writeBits(1,e.lfeon),a.writeBits(3,0),a.writeBits(4,e.numDepSub),e.numDepSub>0?a.writeBits(9,e.chanLoc):a.writeBits(1,0);return a7("dec3",[...r])},sD=(e,t)=>a7(e,[Array(6).fill(0),aj(1)],[ns[t.track.source._codec](t)]),sU=e=>a9("stts",0,0,[aG(e.timeToSampleTable.length),e.timeToSampleTable.map(e=>[aG(e.sampleCount),aG(e.sampleDelta)])]),sz=e=>{if(e.samples.every(e=>"key"===e.type))return null;let t=[...e.samples.entries()].filter(([,e])=>"key"===e.type);return a9("stss",0,0,[aG(t.length),t.map(([e])=>aG(e+1))])},sO=e=>a9("stsc",0,0,[aG(e.compactlyCodedChunkTable.length),e.compactlyCodedChunkTable.map(e=>[aG(e.firstChunk),aG(e.samplesPerChunk),aG(1)])]),sL=e=>{if("audio"===e.type&&e.info.requiresPcmTransformation){let{sampleSize:t}=(0,O.Ei)(e.track.source._codec);return a9("stsz",0,0,[aG(t*e.info.numberOfChannels),aG(e.samples.reduce((t,i)=>t+nw(i.duration,e.timescale),0))])}return a9("stsz",0,0,[aG(0),aG(e.samples.length),e.samples.map(e=>aG(e.size))])},sN=e=>e.finalizedChunks.length>0&&(0,B._g)(e.finalizedChunks).offset>=0x100000000?a9("co64",0,0,[aG(e.finalizedChunks.length),e.finalizedChunks.map(e=>aZ(e.offset))]):a9("stco",0,0,[aG(e.finalizedChunks.length),e.finalizedChunks.map(e=>aG(e.offset))]),sW=e=>a9("ctts",1,0,[aG(e.compositionTimeOffsetTable.length),e.compositionTimeOffsetTable.map(e=>[aG(e.sampleCount),aY(e.sampleCompositionTimeOffset)])]),sV=e=>{let t=1/0,i=-1/0,r=1/0,a=-1/0;(0,B.vA)(e.compositionTimeOffsetTable.length>0),(0,B.vA)(e.samples.length>0);for(let r=0;r<e.compositionTimeOffsetTable.length;r++){let a=e.compositionTimeOffsetTable[r];t=Math.min(t,a.sampleCompositionTimeOffset),i=Math.max(i,a.sampleCompositionTimeOffset)}for(let t=0;t<e.samples.length;t++){let i=e.samples[t];r=Math.min(r,nw(i.timestamp,e.timescale)),a=Math.max(a,nw(i.timestamp+i.duration,e.timescale))}let s=Math.max(-t,0);return a>=0x80000000?null:a9("cslg",0,0,[aY(s),aY(t),aY(i),aY(r),aY(a)])},sq=e=>a7("mvex",void 0,e.map(sH)),sH=e=>a9("trex",0,0,[aG(e.track.id),aG(1),aG(0),aG(0),aG(0)]),sK=(e,t)=>a7("moof",void 0,[s$(e),...t.map(sQ)]),s$=e=>a9("mfhd",0,0,[aG(e)]),sj=e=>{let t=0,i=0,r="delta"===e.type;return i|=r,r?t|=1:t|=2,t<<24|i<<16},sQ=e=>a7("traf",void 0,[sX(e),sG(e),sY(e)]),sX=e=>{(0,B.vA)(e.currentChunk);let t=e.currentChunk.samples[1]??e.currentChunk.samples[0],i={duration:t.timescaleUnitsToNextSample,size:t.size,flags:sj(t)};return a9("tfhd",0,131128,[aG(e.track.id),aG(i.duration),aG(i.size),aG(i.flags)])},sG=e=>((0,B.vA)(e.currentChunk),a9("tfdt",1,0,[aZ(nw(e.currentChunk.startTimestamp,e.timescale))])),sY=e=>{(0,B.vA)(e.currentChunk);let t=e.currentChunk.samples.map(e=>e.timescaleUnitsToNextSample),i=e.currentChunk.samples.map(e=>e.size),r=e.currentChunk.samples.map(sj),a=e.currentChunk.samples.map(t=>nw(t.timestamp-t.decodeTimestamp,e.timescale)),s=new Set(t),n=new Set(i),o=new Set(r),l=new Set(a),c=2===o.size&&r[0]!==r[1],u=s.size>1,d=n.size>1,h=!c&&o.size>1,m=l.size>1||[...l].some(e=>0!==e);return a9("trun",1,1|4*c|256*u|512*d|1024*h|2048*m,[aG(e.currentChunk.samples.length),aG(e.currentChunk.offset-e.currentChunk.moofOffset||0),c?aG(r[0]):[],e.currentChunk.samples.map((e,s)=>[u?aG(t[s]):[],d?aG(i[s]):[],h?aG(r[s]):[],m?aY(a[s]):[]])])},sZ=e=>a9("tfra",1,0,[aG(e.track.id),aG(63),aG(e.finalizedChunks.length),e.finalizedChunks.map(t=>[aZ(nw(t.samples[0].timestamp,e.timescale)),aZ(t.moofOffset),aG(t.trafIndex+1),aG(1),aG(1)])]),sJ=()=>a7("vtte"),s0=(e,t,i,r,a)=>a7("vttc",void 0,[null!==a?a7("vsid",[aY(a)]):null,null!==i?a7("iden",[...B.UG.encode(i)]):null,null!==t?a7("ctim",[...B.UG.encode(aV(t))]):null,null!==r?a7("sttg",[...B.UG.encode(r)]):null,a7("payl",[...B.UG.encode(e)])]),s1=e=>a7("vtta",[...B.UG.encode(e)]),s2=e=>{let t=[],i=e.format._options.metadataFormat??"auto",r=e.output._metadataTags;if("mdir"!==i&&("auto"!==i||e.isQuickTime))if("mdta"===i){let e=s7(r);e&&t.push(e)}else("udta"===i||"auto"===i&&e.isQuickTime)&&s3(t,e.output._metadataTags);else{let e=s5(r);e&&t.push(e)}return 0===t.length?null:a7("udta",void 0,t)},s3=(e,t)=>{for(let{key:i,value:r}of(0,B.rk)(t))switch(i){case"title":e.push(s8("\xa9nam",r));break;

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1case"prores":return t}},nt={avc:e=>e.info.decoderConfig&&a7("avcC",[...(0,B.Fo)(e.info.decoderConfig.description)]),hevc:e=>e.info.decoderConfig&&a7("hvcC",[...(0,B.Fo)(e.info.decoderConfig.description)]),vp8:sP,vp9:sP,av1:e=>a7("av1C",(0,O.DC)(e.info.decoderConfig.codec)),prores:null},ni=(e,t)=>{switch(e){case"aac":case"mp3":case"vorbis":return"mp4a";case"opus":return"Opus";case"flac":return"fLaC";case"ulaw":return"ulaw";case"alaw":return"alaw";case"pcm-u8":return"raw ";case"pcm-s8":return"sowt";case"ac3":return"ac-3";case"eac3":return"ec-3"}if(t)switch(e){case"pcm-s16":return"sowt";case"pcm-s16be":return"twos";case"pcm-s24":case"pcm-s24be":return"in24";case"pcm-s32":case"pcm-s32be":return"in32";case"pcm-f32":case"pcm-f32be":return"fl32";case"pcm-f64":case"pcm-f64be":return"fl64"}else switch(e){case"pcm-s16":case"pcm-s16be":case"pcm-s24":case"pcm-s24be":case"pcm-s32":case"pcm-s32be":return"ipcm";case"pcm-f32":case"pcm-f32be":case"pcm-f64":case"pcm-f64be":return"fpcm"}},nr=(e,t)=>{switch(e){case"aac":case"mp3":case"vorbis":return sI;case"opus":return sE;case"flac":return sB;case"ac3":return sM;case"eac3":return sR}if(t)switch(e){case"pcm-s24":case"pcm-s24be":case"pcm-s32":case"pcm-s32be":case"pcm-f32":case"pcm-f32be":case"pcm-f64":case"pcm-f64be":return sC}else switch(e){case"pcm-s16":case"pcm-s16be":case"pcm-s24":case"pcm-s24be":case"pcm-s32":case"pcm-s32be":case"pcm-f32":case"pcm-f32be":case"pcm-f64":case"pcm-f64be":return sF}return null},na={webvtt:"wvtt"},ns={webvtt:e=>a7("vttC",[...B.UG.encode(e.info.config.description)])},nn=e=>{(0,B.vA)(3===e.length);let t=0;for(let i=0;i<3;i++)t<<=5,t+=e.charCodeAt(i)-96;return t};class no{constructor(e,t){if(this.finalized=!1,this.started=!1,this.pos=0,this.trackedWrites=null,this.trackedStart=-1,this.trackedEnd=-1,e._writerAcquired)throw Error("Can't have multiple Writers for the same Target.");this.target=e,e._setMonotonicity(t),e._writerAcquired=!0}start(){(0,B.vA)(!this.started),this.target._start(),this.started=!0}write(e){(0,B.vA)(this.started&&!this.finalized),this.maybeTrackWrites(e),this.target._write(e,this.pos),this.pos+=e.byteLength}seek(e){this.pos=e}getPos(){return this.pos}async flush(){return(0,B.vA)(this.started&&!this.finalized),this.target._flush()}async finalize(){(0,B.vA)(this.started&&!this.finalized),await this.target._finalize(),this.finalized=!0}maybeTrackWrites(e){if(!this.trackedWrites)return;let t=this.getPos();if(t<this.trackedStart){if(t+e.byteLength<=this.trackedStart)return;e=e.subarray(this.trackedStart-t),t=0}let i=t+e.byteLength-this.trackedStart,r=this.trackedWrites.byteLength;for(;r<i;)r*=2;if(r!==this.trackedWrites.byteLength){let e=new Uint8Array(r);e.set(this.trackedWrites,0),this.trackedWrites=e}this.trackedWrites.set(e,t-this.trackedStart),this.trackedEnd=Math.max(this.trackedEnd,t+e.byteLength)}startTrackingWrites(){this.trackedWrites=new Uint8Array(1024),this.trackedStart=this.getPos(),this.trackedEnd=this.trackedStart}stopTrackingWrites(){if(!this.trackedWrites)throw Error("Internal error: Can't get tracked writes since nothing was tracked.");let e={data:this.trackedWrites.subarray(0,this.trackedEnd-this.trackedStart),start:this.trackedStart,end:this.trackedEnd};return this.trackedWrites=null,e}}let nl=void 0!==iF?iF:void 0;class nc extends B.bk{constructor(){super(...arguments),this._writerAcquired=!1,this._monotonicity=null,this.onwrite=null}_setMonotonicity(e){!1!==this._monotonicity&&(this._monotonicity=e)}_dispatchWrite(e,t){this.onwrite?.(e,t),this._emit("write",{start:e,end:t})}slice(e){if(!Number.isInteger(e)||e<0)throw TypeError("offset must be a non-negative integer.");return new np(this,e)}}class nu extends nc{constructor(e={}){if(super(),this.buffer=null,this._maxPos=0,!e||"object"!=typeof e)throw TypeError("BufferTarget options, when provided, must be an object.");if(void 0!==e.onFinalize&&"function"!=typeof e.onFinalize)throw TypeError("options.onFinalize, when provided, must be a function.");if(this._options=e,this._supportsResize="resize"in new ArrayBuffer(0),this._supportsResize)try{this._buffer=new ArrayBuffer(65536,{maxByteLength:0x100000000})}catch{this._buffer=new ArrayBuffer(65536),this._supportsResize=!1}else this._buffer=new ArrayBuffer(65536);this._bytes=new Uint8Array(this._buffer)}_ensureSize(e){let t=this._buffer.byteLength;for(;t<e;)t*=2;if(t!==this._buffer.byteLength){if(t>0x100000000)throw Error("ArrayBuffer exceeded maximum size of 4294967296 bytes. Please consider using another target.");if(this._supportsResize)this._buffer.resize(t);else{let e=new ArrayBuffer(t),i=new Uint8Array(e);

1i.set(this._bytes,0),this._buffer=e,this._bytes=i}}}_start(){}_write(e,t){this._ensureSize(t+e.byteLength),this._bytes.set(e,t),this._maxPos=Math.max(this._maxPos,t+e.byteLength),this._dispatchWrite(t,t+e.byteLength)}async _flush(){}async _finalize(){this.buffer=this._buffer.slice(0,this._maxPos),this._options.onFinalize&&await this._options.onFinalize(this.buffer),this._emit("finalized")}async _close(){}_getSlice(e,t){return this._bytes.slice(e,t)}}class nd extends nc{constructor(e,t={}){if(super(),this._sections=[],this._lastWriteEnd=0,this._lastFlushEnd=0,this._streamWriter=null,this._writeError=null,this._chunks=[],!(e instanceof WritableStream))throw TypeError("StreamTarget requires a WritableStream instance.");if(null!=t&&"object"!=typeof t)throw TypeError("StreamTarget options, when provided, must be an object.");if(void 0!==t.chunked&&"boolean"!=typeof t.chunked)throw TypeError("options.chunked, when provided, must be a boolean.");if(void 0!==t.chunkSize&&(!Number.isInteger(t.chunkSize)||t.chunkSize<1024))throw TypeError("options.chunkSize, when provided, must be an integer and not smaller than 1024.");this._writable=e,this._options=t,this._chunked=t.chunked??!1,this._chunkSize=t.chunkSize??0x1000000}_start(){this._streamWriter=this._writable.getWriter()}_write(e,t){if(t>this._lastWriteEnd){let e=t-this._lastWriteEnd;this._write(new Uint8Array(e),this._lastWriteEnd)}this._sections.push({data:e.slice(),start:t}),this._lastWriteEnd=Math.max(this._lastWriteEnd,t+e.byteLength),this._dispatchWrite(t,t+e.byteLength)}async _flush(){if(null!==this._writeError)throw this._writeError;if((0,B.vA)(this._streamWriter),0===this._sections.length)return;let e=[],t=[...this._sections].sort((e,t)=>e.start-t.start);e.push({start:t[0].start,size:t[0].data.byteLength});for(let i=1;i<t.length;i++){let r=e[e.length-1],a=t[i];a.start<=r.start+r.size?r.size=Math.max(r.size,a.start+a.data.byteLength-r.start):e.push({start:a.start,size:a.data.byteLength})}for(let t of e){for(let e of(t.data=new Uint8Array(t.size),this._sections))t.start<=e.start&&e.start<t.start+t.size&&t.data.set(e.data,e.start-t.start);if(null!==this._streamWriter.desiredSize&&this._streamWriter.desiredSize<=0&&await this._streamWriter.ready,this._chunked)this._writeDataIntoChunks(t.data,t.start),this._tryToFlushChunks();else{if(!0===this._monotonicity&&t.start!==this._lastFlushEnd)throw Error("Internal error: Monotonicity violation.");this._streamWriter.write({type:"write",data:t.data,position:t.start}).catch(e=>{this._writeError??=e}),this._lastFlushEnd=t.start+t.data.byteLength}}this._sections.length=0}_writeDataIntoChunks(e,t){let i=this._chunks.findIndex(e=>e.start<=t&&t<e.start+this._chunkSize);-1===i&&(i=this._createChunk(t));let r=this._chunks[i],a=t-r.start,s=e.subarray(0,Math.min(this._chunkSize-a,e.byteLength));r.data.set(s,a);let n={start:a,end:a+s.byteLength};if(this._insertSectionIntoChunk(r,n),0===r.written[0].start&&r.written[0].end===this._chunkSize&&(r.shouldFlush=!0),this._chunks.length>2){for(let e=0;e<this._chunks.length-1;e++)this._chunks[e].shouldFlush=!0;this._tryToFlushChunks()}s.byteLength<e.byteLength&&this._writeDataIntoChunks(e.subarray(s.byteLength),t+s.byteLength)}_insertSectionIntoChunk(e,t){let i=0,r=e.written.length-1,a=-1;for(;i<=r;){let s=Math.floor(i+(r-i+1)/2);e.written[s].start<=t.start?(i=s+1,a=s):r=s-1}for(e.written.splice(a+1,0,t),(-1===a||e.written[a].end<t.start)&&a++;a<e.written.length-1&&e.written[a].end>=e.written[a+1].start;)e.written[a].end=Math.max(e.written[a].end,e.written[a+1].end),e.written.splice(a+1,1)}_createChunk(e){let t={start:Math.floor(e/this._chunkSize)*this._chunkSize,data:new Uint8Array(this._chunkSize),written:[],shouldFlush:!1};return this._chunks.push(t),this._chunks.sort((e,t)=>e.start-t.start),this._chunks.indexOf(t)}_tryToFlushChunks(e=!1){(0,B.vA)(this._streamWriter);for(let t=0;t<this._chunks.length;t++){let i=this._chunks[t];if(i.shouldFlush||e){for(let e of i.written){let t,r=i.start+e.start;if(!0===this._monotonicity&&r!==this._lastFlushEnd)throw Error("Internal error: Monotonicity violation.");t=(0!==e.start||e.end!==i.data.byteLength)&&(0,B.Tc)()?i.data.slice(e.start,e.end):i.data.subarray(e.start,e.end),this._streamWriter.write({type:"write",data:t,position:r}).catch(e=>{this._writeError??=e}),this._lastFlushEnd=i.start+e.end}this._chunks.splice(t--,1)}}}async _finalize(){if(this._chunked&&this._tryToFlushChunks(!0),null!==this._writeError)throw this._writeError;(0,B.vA)(this._streamWriter),await this._streamWriter.ready,await this._streamWriter.close(),this._emit("finalized")}async _close(){return this._streamWriter?.close()}}class nh extends nc{constructor(e){super(),this._writer=null,this._nextWritePos=0,this._writable=e,this._streamTarget=new nd(new WritableStream({start:()=>{this._writer=this._writable.getWriter()},write:e=>

1{if(!0!==this._monotonicity)throw Error("AppendOnlyStreamTarget requires that data be written monotonically (always appended to the end). You must use a format that guarantees this behavior.");return(0,B.vA)(e.position===this._nextWritePos),this._nextWritePos+=e.data.byteLength,(0,B.vA)(this._writer),this._writer.write(e.data)},close:()=>this._writer?.close()}))}_start(){this._streamTarget._start()}_write(e,t){this._streamTarget._write(e,t)}_flush(){return this._streamTarget._flush()}_finalize(){return this._streamTarget._finalize()}_close(){return this._streamTarget._close()}_setMonotonicity(e){super._setMonotonicity(e),this._streamTarget._setMonotonicity(e)}}class nm extends nc{constructor(e,t={}){if("string"!=typeof e)throw TypeError("filePath must be a string.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(!nl.fs)throw Error("FilePathTarget is only available in server-side environments (Node.js, Bun, Deno).");super(),this._fileHandle=null;const i=new WritableStream({start:async()=>{this._fileHandle=await nl.fs.open(e,"w")},write:async e=>{(0,B.vA)(this._fileHandle),await this._fileHandle.write(e.data,

10,e.data.byteLength,e.position)},close:async()=>{this._fileHandle&&(await this._fileHandle.close(),this._fileHandle=null)}});this._streamTarget=new nd(i,{chunked:!0,...t})}_start(){this._streamTarget._start()}_write(e,t){this._streamTarget._write(e,t),this._dispatchWrite(t,t+e.byteLength)}async _flush(){return this._streamTarget._flush()}async _finalize(){await this._streamTarget._finalize(),this._emit("finalized")}async _close(){return this._streamTarget._close()}_setMonotonicity(e){super._setMonotonicity(e),this._streamTarget._setMonotonicity(e)}}class nf extends nc{_start(){}_write(e,t){this._dispatchWrite(t,t+e.byteLength)}async _flush(){}async _finalize(){this._emit("finalized")}async _close(){}}class np extends nc{constructor(e,t){super(),this._baseTarget=e,this._offset=t}_start(){}_write(e,t){this._baseTarget._write(e,this._offset+t),this._dispatchWrite(t,t+e.byteLength)}_flush(){return this._baseTarget._flush()}async _finalize(){this._emit("finalized")}async _close(){}_setMonotonicity(e){super._setMonotonicity(e),this._baseTarget._setMonotonicity(e)}}class ng{constructor(e,t){if(this.rootPath=e,this.getTarget=t,"string"!=typeof e)throw TypeError("rootPath must be a string.");if("function"!=typeof t)throw TypeError("getTarget must be a function.")}}let nk=57600,ny=e=>{let t={},i=e.track;return void 0!==i.metadata.name&&(t.name=i.metadata.name),t},nw=(e,t,i=!0)=>{let r=e*t;return i?Math.round(r):r};class nb extends aF{constructor(e,t){super(e),this.writer=null,this.boxWriter=null,this.initWriter=null,this.initBoxWriter=null,this.auxTarget=new nu,this.auxWriter=new no(this.auxTarget,!1),this.auxBoxWriter=new aq(this.auxWriter),this.mdat=null,this.ftypSize=null,this.trackDatas=[],this.allTracksKnown=(0,B.nJ)(),this.creationTime=Math.floor(Date.now()/1e3)+0x7c25b080,this.finalizedChunks=[],this.wroteFragmentedHeader=!1,this.nextFragmentNumber=1,this.maxWrittenTimestamp=-1/0,this.minWrittenTimestamp=1/0,this.maxWrittenEndTimestamp=-1/0,this.segmentHeaderSize=null,this.format=t,this.formatOptions={...t._options},this.isQuickTime=t instanceof ou,this.isCmaf=t instanceof oc,this.minimumFragmentDuration=this.formatOptions.minimumFragmentDuration??(t instanceof oc?1/0:1),this.auxWriter.start()}async start(){let e=await this.mutex.acquire();if(this.isCmaf?(this.fastStart="fragmented",this.isFragmented=!0):(this.writer=await this.output._getRootWriter(e=>void 0!==this.formatOptions.fastStart?"fragmented"===this.formatOptions.fastStart:e instanceof nu),this.boxWriter=new aq(this.writer),this.fastStart=this.formatOptions.fastStart??(this.writer.target instanceof nu&&"in-memory"),this.isFragmented="fragmented"===this.fastStart),this.isCmaf){if(!this.output._hasInitTarget())throw Error("CMAF outputs require the initTarget field in OutputOptions to be set; the init segment will be written to it.");let e=new no(await this.output._getInitTarget(),!0);e.start(),this.initWriter=e,this.initBoxWriter=new aq(e)}let t=this.output.tracks.some(e=>e.isVideoTrack()&&"avc"===e.source._codec);{let e=this.initBoxWriter??this.boxWriter;if((0,B.vA)(e),this.formatOptions.onFtyp&&e.writer.startTrackingWrites(),e.writeBox((e=>{if(e.isQuickTime)return a7("ftyp",[a8("qt  "),aG(512),a8("qt  ")]);if(e.fragmented)if(e.cmaf)return a7("ftyp",[a8("iso5"),aG(512),a8("iso5"),a8("iso6"),a8("mp41"),a8("cmfc"),a8("dash")]);else return a7("ftyp",[a8("iso5"),aG(512),a8("iso5"),a8("iso6"),a8("mp41")]);return a7("ftyp",[a8("isom"),aG(512),a8("isom"),e.holdsAvc?a8("avc1"):[],a8("mp41")])})({isQuickTime:this.isQuickTime,holdsAvc:t,fragmented:this.isFragmented,cmaf:this.isCmaf})),this.formatOptions.onFtyp){let{data:t,start:i}=e.writer.stopTrackingWrites();this.formatOptions.onFtyp(t,i)}this.ftypSize=e.writer.getPos(),this.isCmaf&&await this.initWriter.flush()}if("in-memory"===this.fastStart);else if("reserve"===this.fastStart){for(let e of this.output.tracks)if(void 0===e.metadata.maximumPacketCount)throw Error("All tracks must specify maximumPacketCount in their metadata when using fastStart: 'reserve'.")}else this.isFragmented||((0,B.vA)(this.writer),(0,B.vA)(this.boxWriter),this.formatOptions.onMdat&&this.writer.startTrackingWrites(),this.mdat=si(!0),this.boxWriter.writeBox(this.mdat));for(let e of(await this.writer?.flush(),this.output.tracks))e.isVideoTrack()&&e.metadata.decoderConfig?this.getVideoTrackData(e,e.metadata.primingPacket??null,{decoderConfig:e.metadata.decoderConfig}):e.isAudioTrack()&&e.metadata.decoderConfig&&this.getAudioTrackData(e,e.metadata.primingPacket??null,{decoderConfig:e.metadata.decoderConfig});e()}allTracksAreKnown(){for(let e of this.output.tracks)if(!e.source._closed&&!this.trackDatas.some(t=>t.track===e))return!1;return!0}async getMimeType(){await this.allTracksKnown.promise;let e=this.trackDatas.map(e=>"video"===e.type||"audio"===e.type?e.info.decoderConfig.codec:({webvtt:"wvtt"})[e.track.source._codec]);return eL({isQuickTime:this.isQuickTime,hasVideo:this.trackDatas.some(e=>"video"===e.type),hasAudio:this.trackDatas.some(e=>"audio"===e.type),codecStrings:e})}getVideoTrackData(e,t,i){let r=this.trackDatas.find(t=>t.track===e);if(r)return r;(0,O.aF)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i.decoderConfig);let a={...i.decoderConfig};(0,B.vA)(void 0!==a.codedWidth),(0,B.vA)(void 0!==a.codedHeight);let s=!1;if("avc"!==e.source._codec||a.description){if("hevc"===e.source._codec&&!a.description){if(!t)throw Error("No HEVC description provided; you must therefore provide a priming packet.");let e=ed(t.data);if(!e)throw Error("Couldn't extract an HEVCDecoderConfigurationRecord from the HEVC packet. Make sure the packets are in Annex B format (as specified in ITU-T-REC-H.265) when not providing a description, or provide a description (must be an HEVCDecoderConfigurationRecord as specified in ISO 14496-15) and ensure the packets are in HEVC format.");a.description=(e=>{let t=[];for(let i of(t.push(e.configurationVersion),t.push((3&e.generalProfileSpace)<<6|(1&e.generalTierFlag)<<5|31&e.generalProfileIdc),t.push(e.generalProfileCompatibilityFlags>>>24&255),t.push(e.generalProfileCompatibilityFlags>>>16&255),t.push(e.generalProfileCompatibilityFlags>>>8&255),t.push(255&e.generalProfileCompatibilityFlags),t.push(...e.generalConstraintIndicatorFlags),t.push(255&e.generalLevelIdc),t.push(240|e.minSpatialSegmentationIdc>>8&15),t.push(255&e.minSpatialSegmentationIdc),t.push(252|3&e.parallelismType),t.pu

1sh(252|3&e.chromaFormatIdc),t.push(248|7&e.bitDepthLumaMinus8),t.push(248|7&e.bitDepthChromaMinus8),t.push(e.avgFrameRate>>8&255),t.push(255&e.avgFrameRate),t.push((3&e.constantFrameRate)<<6|(7&e.numTemporalLayers)<<3|(1&e.temporalIdNested)<<2|3&e.lengthSizeMinusOne),t.push(255&e.arrays.length),e.arrays))for(let e of(t.push((1&i.arrayCompleteness)<<7|63&i.nalUnitType),t.push(i.nalUnits.length>>8&255),t.push(255&i.nalUnits.length),i.nalUnits)){t.push(e.length>>8&255),t.push(255&e.length);for(let i=0;i<e.length;i++)t.push(e[i])}return new Uint8Array(t)})(e),s=!0}}else{if(!t)throw Error("No AVC description provided; you must therefore provide a priming packet.");let e=er(t.data);if(!e)throw Error("Couldn't extract an AVCDecoderConfigurationRecord from the AVC packet. Make sure the packets are in Annex B format (as specified in ITU-T-REC-H.264) when not providing a description, or provide a description (must be an AVCDecoderConfigurationRecord as specified in ISO 14496-15) and ensure the packets are in AVCC format.");a.description=(e=>{let t=[];for(let i of(t.push(e.configurationVersion),t.push(e.avcProfileIndication),t.push(e.profileCompatibility),t.push(e.avcLevelIndication),t.push(252|3&e.lengthSizeMinusOne),t.pu

1sh(224|31&e.sequenceParameterSets.length),e.sequenceParameterSets)){let e=i.byteLength;t.push(e>>8),t.push(255&e);for(let r=0;r<e;r++)t.push(i[r])}for(let i of(t.push(e.pictureParameterSets.length),e.pictureParameterSets)){let e=i.byteLength;t.push(e>>8),t.push(255&e);for(let r=0;r<e;r++)t.push(i[r])}if(100===e.avcProfileIndication||110===e.avcProfileIndication||122===e.avcProfileIndication||144===e.avcProfileIndication)for(let i of((0,B.vA)(null!==e.chromaFormat),(0,B.vA)(null!==e.bitDepthLumaMinus8),(0,B.vA)(null!==e.bitDepthChromaMinus8),(0,B.vA)(null!==e.sequenceParameterSetExt),t.push(252|3&e.chromaFormat),t.push(248|7&e.bitDepthLumaMinus8),t.push(248|7&e.bitDepthChromaMinus8),t.push(e.sequenceParameterSetExt.length),e.sequenceParameterSetExt)){let e=i.byteLength;t.push(e>>8),t.push(255&e);for(let r=0;r<e;r++)t.push(i[r])}return new Uint8Array(t)})(e),s=!0}let n=(0,B.b_)(1/(e.metadata.frameRate??nk),1e6).den,o=a.displayAspectWidth,l=a.displayAspectHeight,c=void 0===o||void 0===l?{num:1,den:1}:(0,B.Yf)({num:o*a.codedHeight,den:l*a.codedWidth}),u="ap4h"===a.codec||"ap4x"===a.codec,d={muxer:this,track:e,type:"video",info:{width:a.codedWidth,height:a.codedHeight,pixelAspectRatio:c,decoderConfig:a,requiresAnnexBTransformation:s,hasAlphaChannel:u},timescale:n,samples:[],sampleQueue:[],timestampProcessingQueue:[],timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,startTimestampOffset:null,finalizedChunks:[],currentChunk:null,compactlyCodedChunkTable:[],closed:!1};return this.trackDatas.push(d),this.trackDatas.sort((e,t)=>e.track.id-t.track.id),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),d}getAudioTrackData(e,t,i){let r=this.trackDatas.find(t=>t.track===e);if(r)return r;(0,O.P7)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i.decoderConfig);let a={...i.decoderConfig},s=!1;if("aac"===e.source._codec&&!a.description){if(!t)throw Error("No AAC description provided; you must therefore provide a priming packet.");let e=t1(ar.tempFromBytes(t.data));if(!e)throw Error("Couldn't parse ADTS header from the AAC packet. Make sure the packets are in ADTS format (as specified in ISO 13818-7) when not providing a description, or provide a description (must be an AudioSpecificConfig as specified in ISO 14496-3) and ensure the packets are raw AAC data.");let i=z.Im[e.samplingFrequencyIndex],r=z.Ti[e.channelConfiguration];if(void 0===i||void 0===r)throw Error("Invalid ADTS frame header.");a.description=(0,z.Wz)({objectType:e.objectType,sampleRate:i,numberOfChannels:r}),s=!0}if(("ac3"===e.source._codec||"eac3"===e.source._codec)&&!t)throw Error("AC-3/E-AC-3 require a priming packet.");let n={muxer:this,track:e,type:"audio",info:{numberOfChannels:i.decoderConfig.numberOfChannels,sampleRate:i.decoderConfig.sampleRate,decoderConfig:a,requiresPcmTransformation:!this.isFragmented&&O.Wq.includes(e.source._codec),expectedNextPcmPacketTimestamp:null,requiresAdtsStripping:s,primingPacket:t},timescale:a.sampleRate,samples:[],sampleQueue:[],timestampProcessingQueue:[],timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,startTimestampOffset:null,finalizedChunks:[],currentChunk:null,compactlyCodedChunkTable:[],closed:!1};return this.trackDatas.push(n),this.trackDatas.sort((e,t)=>e.track.id-t.track.id),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),n}getSubtitleTrackData(e,t){let i=this.trackDatas.find(t=>t.track===e);if(i)return i;(0,O.GL)(t),(0,B.vA)(t),(0,B.vA)(t.config);let r={muxer:this,track:e,type:"subtitle",info:{config:t.config},timescale:1e3,samples:[],sampleQueue:[],timestampProcessingQueue:[],timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,startTimestampOffset:null,finalizedChunks:[],currentChunk:null,compactlyCodedChunkTable:[],closed:!1,lastCueEndTimestamp:0,cueQueue:[],nextSourceId:0,cueToSourceId:new WeakMap};return this.trackDatas.push(r),this.trackDatas.sort((e,t)=>e.track.id-t.track.id),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),r}async addEncodedVideoPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getVideoTrackData(e,t,i),a=t.data;if(r.info.requiresAnnexBTransformation){let e=[...X(a)].map(e=>a.subarray(e.offset,e.offset+e.length));if(0===e.length)throw Error("Failed to transform packet data. Make sure all packets are provided in Annex B format, as specified in ITU-T-REC-H.264 and ITU-T-REC-H.265.");a=ei(e,4)}this.validateTimestamp(r.track,t.timestamp,"key"===t.type);let s=this.createSampleForTrack(r,a,t.timestamp,t.duration,t.type);await this.registerSample(r,s)}finally{r()}}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getAudioTrackData(e,t,i),a=t.data;if(r.info.requiresAdtsStripping){let e=t1(ar.tempFromBytes(a));if(!e)throw Error("Expected ADTS frame, didn't get one.");let t=null===e.crcCheck?7:9;a=a.subarray(t)}this.validateTimestamp(r.track,t.timestamp,"key"===t.type);let s=t.timestamp,n=t.duration;if(r.info.requiresPcmTransformation){let e=(0,O.Ei)(r.info.decoderConfig.codec).sampleSize*r.info.numberOfChannels;if(n=a.byteLength/e/r.info.sampleRate,null!==r.info.expectedNextPcmPacketTimestamp){let e=s-r.info.expectedNextPcmPacketTimestamp;if(e<.01)s=r.info.expectedNextPcmPacketTimestamp;else{let t=await this.padWithSilence(r,r.info.expectedNextPcmPacketTimestamp,e);s=r.info.expectedNextPcmPacketTimestamp+t}}r.info.expectedNextPcmPacketTimestamp=s+n}let o=this.createSampleForTrack(r,a,s,n,t.type);await this.registerSample(r,o)}finally{r()}}async padWithSilence(e,t,i){let r=nw(i,e.timescale);if(i=r/e.timescale,r>0){let{sampleSize:a,silentValue:s}=(0,O.Ei)(e.info.decoderConfig.codec),n=new Uint8Array(a*(r*e.info.numberOfChannels)).fill(s),o=this.createSampleForTrack(e,new Uint8Array(n.buffer),t,i,"key");await this.registerSample(e,o)}return i}async addSubtitleCue(e,t,i){let r=await this.mutex.acquire();try{let r=this.getSubtitleTrackData(e,i);this.validateTimestamp(r.track,t.timestamp,!0),"webvtt"===e.source._codec&&(r.cueQueue.push(t),await this.processWebVTTCues(r,t.timestamp))}finally{r()}}async processWebVTTCues(e,t){for(;e.cueQueue.length>0;){let i=new Set([]);for(let r of e.cueQueue)(0,B.vA)(r.timestamp<=t),(0,B.vA)(e.lastCueEndTimestamp<=r.timestamp+r.duration),i.add(Math.max(r.timestamp,e.lastCueEndTimestamp)),i.add(r.timestamp+r.duration);let r=[...i].sort((e,t)=>

1e-t),a=r[0],s=r[1]??a;if(t<s)break;if(e.lastCueEndTimestamp<a){this.auxWriter.seek(0);let t=sJ();this.auxBoxWriter.writeBox(t);let i=this.auxTarget._getSlice(0,this.auxWriter.getPos()),r=this.createSampleForTrack(e,i,e.lastCueEndTimestamp,a-e.lastCueEndTimestamp,"key");await this.registerSample(e,r),e.lastCueEndTimestamp=a}this.auxWriter.seek(0);for(let t=0;t<e.cueQueue.length;t++){let i=e.cueQueue[t];if(i.timestamp>=s)break;aO.lastIndex=0;let r=aO.test(i.text),n=i.timestamp+i.duration,o=e.cueToSourceId.get(i);if(void 0===o&&s<n&&(o=e.nextSourceId++,e.cueToSourceId.set(i,o)),i.notes){let e=s1(i.notes);this.auxBoxWriter.writeBox(e)}let l=s0(i.text,r?a:null,i.identifier??null,i.settings??null,o??null);this.auxBoxWriter.writeBox(l),n===s&&e.cueQueue.splice(t--,1)}let n=this.auxTarget._getSlice(0,this.auxWriter.getPos()),o=this.createSampleForTrack(e,n,a,s-a,"key");await this.registerSample(e,o),e.lastCueEndTimestamp=s}}createSampleForTrack(e,t,i,r,a){return{timestamp:i,decodeTimestamp:i,duration:r,data:t,size:t.byteLength,type:a,timescaleUnitsToNextSample:nw(r,e.timescale)}}processTimestamps(e,t){if(0===e.timestampProcessingQueue.length)return;if("audio"===e.type&&e.info.requiresPcmTransformation){this.isFragmented||(e.startTimestampOffset??=e.timestampProcessingQueue[0].timestamp);let t=0;for(let i=0;i<e.timestampProcessingQueue.length;i++)t+=nw(e.timestampProcessingQueue[i].duration,e.timescale);if(0===e.timeToSampleTable.length)e.timeToSampleTable.push({sampleCount:t,sampleDelta:1});else{let i=(0,B._g)(e.timeToSampleTable);i.sampleCount+=t}e.timestampProcessingQueue.length=0;return}let i=e.timestampProcessingQueue.map(e=>e.timestamp).sort((e,t)=>e-t);this.isFragmented||(e.startTimestampOffset??=i[0]);for(let t=0;t<e.timestampProcessingQueue.length;t++){let r=e.timestampProcessingQueue[t];r.decodeTimestamp=i[t];let a=nw(r.timestamp-r.decodeTimestamp,e.timescale),s=nw(r.duration,e.timescale);if(null!==e.lastTimescaleUnits){(0,B.vA)(e.lastSample);let t=Math.round(nw(r.decodeTimestamp,e.timescale,!1)-e.lastTimescaleUnits);if((0,B.vA)(t>=0),e.lastTimescaleUnits+=t,e.lastSample.timescaleUnitsToNextSample=t,!this.isFragmented){let i=(0,B._g)(e.timeToSampleTable);if((0,B.vA)(i),1===i.sampleCount){i.sampleDelta=t;let r=e.timeToSampleTable[e.timeToSampleTable.length-2];r&&r.sampleDelta===t&&(r.sampleCount++,e.timeToSampleTable.pop(),i=r)}else i.sampleDelta!==t&&(i.sampleCount--,e.timeToSampleTable.push(i={sampleCount:1,sampleDelta:t}));i.sampleDelta===s?i.sampleCount++:e.timeToSampleTable.push({sampleCount:1,sampleDelta:s});let r=(0,B._g)(e.compositionTimeOffsetTable);(0,B.vA)(r),r.sampleCompositionTimeOffset===a?r.sampleCount++:e.compositionTimeOffsetTable.push({sampleCount:1,sampleCompositionTimeOffset:a})}}else e.lastTimescaleUnits=nw(r.decodeTimestamp,e.timescale,!1),this.isFragmented||(e.timeToSampleTable.push({sampleCount:1,sampleDelta:s}),e.compositionTimeOffsetTable.push({sampleCount:1,sampleCompositionTimeOffset:a}));e.lastSample=r}if(e.timestampProcessingQueue.length=0,(0,B.vA)(e.lastSample),(0,B.vA)(null!==e.lastTimescaleUnits),void 0!==t&&0===e.lastSample.timescaleUnitsToNextSample){(0,B.vA)("key"===t.type);let i=Math.round(nw(t.timestamp,e.timescale,!1)-e.lastTimescaleUnits);e.lastSample.timescaleUnitsToNextSample=i}}async registerSample(e,t){"key"===t.type&&this.processTimestamps(e,t),e.timestampProcessingQueue.push(t),this.isFragmented?(e.sampleQueue.push(t),await this.interleaveSamples()):"reserve"===this.fastStart?await this.registerSampleFastStartReserve(e,t):await this.addSampleToTrack(e,t)}async addSampleToTrack(e,t){if(!this.isFragmented&&(e.samples.push(t),"reserve"===this.fastStart)){let t=e.track.metadata.maximumPacketCount;if((0,B.vA)(void 0!==t),e.samples.length>t)throw Error(`Track #${e.track.id} has already reached the maximum packet count (${t}). Either add less packets or increase the maximum packet count.`)}let i=!1;if(e.currentChunk){e.currentChunk.startTimestamp=Math.min(e.currentChunk.startTimestamp,t.timestamp);let r=t.timestamp-e.currentChunk.startTimestamp;if(this.isFragmented){let a=this.trackDatas.every(i=>{if(e===i)return"key"===t.type;let r=i.sampleQueue[0];return r?"key"===r.type:i.closed});r>=this.minimumFragmentDuration&&a&&t.timestamp>this.maxWrittenTimestamp&&(i=!0,await this.finalizeFragment())}else i=r>=.5}else i=!0;i&&(e.currentChunk&&await this.finalizeCurrentChunk(e),e.currentChunk={startTimestamp:t.timestamp,samples:[],offset:null,moofOffset:null,trafIndex:null}),(0,B.vA)(e.currentChunk),e.currentChunk.samples.push(t),this.isFragmented&&(this.maxWrittenTimestamp=Math.max(this.maxWrittenTimestamp,t.timestamp),this.maxWrittenEndTimestamp=Math.max(this.maxWrittenEndTimestamp,t.timestamp+t.duration),this.minWrittenTimestamp=Math.min(this.minWrittenTimestamp,t.timestamp))}async finalizeCurrentChunk(e){if((0,B.vA)(!this.isFragmented),(0,B.vA)(this.writer),!e.currentChunk)return;e.finalizedChunks.push(e.currentChunk),this.finalizedChunks.push(e.currentChunk);let t=e.currentChunk.samples.length;if("audio"===e.type&&e.info.requiresPcmTransformation&&(t=e.currentChunk.samples.reduce((t,i)=>t+nw(i.duration,e.timescale),0)),(0===e.compactlyCodedChunkTable.length||(0,B._g)(e.compactlyCodedChunkTable).samplesPerChunk!==t)&&e.compactlyCodedChunkTable.push({firstChunk:e.finalizedChunks.length,samplesPerChunk:t}),"in-memory"===this.fastStart){e.currentChunk.offset=0;return}for(let t of(e.currentChunk.offset=this.writer.getPos(),e.currentChunk.samples))(0,B.vA)(t.data),this.writer.write(t.data),t.data=null;await this.writer.flush()}async interleaveSamples(e=!1){if((0,B.vA)(this.isFragmented),e||this.allTracksAreKnown())t:for(;;){let t=null,i=1/0;for(let r of this.trackDatas){if(!e&&0===r.sampleQueue.length&&!r.closed)break t;r.sampleQueue.length>0&&r.sampleQueue[0].timestamp<i&&(t=r,i=r.sampleQueue[0].timestamp)}if(!t)break;let r=t.sampleQueue.shift();await this.addSampleToTrack(t,r)}}async finalizeFragment(e=!this.isCmaf){if((0,B.vA)(this.isFragmented),!this.wroteFragmentedHeader){this.wroteFragmentedHeader=!0;

1let e=this.initBoxWriter??this.boxWriter;(0,B.vA)(e),this.formatOptions.onMoov&&e.writer.startTrackingWrites(),this.ensureOneEnabledTrack();let t=sr(this);if(e.writeBox(t),this.formatOptions.onMoov){let{data:t,start:i}=e.writer.stopTrackingWrites();this.formatOptions.onMoov(t,i)}if(this.isCmaf){(0,B.vA)(this.initWriter),await this.initWriter.flush(),await this.initWriter.finalize(),this.writer=await this.output._getRootWriter(!0),this.boxWriter=new aq(this.writer);let e=this.boxWriter.measureBox(se()),t=this.boxWriter.measureBox(st(this,0));this.segmentHeaderSize=e+t,this.writer.seek(this.segmentHeaderSize)}}(0,B.vA)(this.writer),(0,B.vA)(this.boxWriter);let t=this.trackDatas.filter(e=>e.currentChunk);if(0===t.length){e&&await this.writer.flush();return}let i=this.nextFragmentNumber++,r=sK(i,t),a=this.writer.getPos(),s=a+this.boxWriter.measureBox(r),n=s+8,o=1/0;for(let e=0;e<t.length;e++){let i=t[e];for(let t of(i.currentChunk.offset=n,i.currentChunk.moofOffset=a,i.currentChunk.trafIndex=e,i.currentChunk.samples))n+=t.size;o=Math.min(o,i.currentChunk.startTimestamp)}let l=n-s,c=l>=0x100000000;if(c)for(let e of t)e.currentChunk.offset+=8;this.formatOptions.onMoof&&this.writer.startTrackingWrites();let u=sK(i,t);if(this.boxWriter.writeBox(u),this.formatOptions.onMoof){let{data:e,start:t}=this.writer.stopTrackingWrites();this.formatOptions.onMoof(e,t,o)}(0,B.vA)(this.writer.getPos()===s),this.formatOptions.onMdat&&this.writer.startTrackingWrites();let d=si(c);for(let e of(d.size=l,this.boxWriter.writeBox(d),this.writer.seek(s+(c?16:8)),t))for(let t of e.currentChunk.samples)this.writer.write(t.data),t.data=null;if(this.formatOptions.onMdat){let{data:e,start:t}=this.writer.stopTrackingWrites();this.formatOptions.onMdat(e,t)}for(let e of t)e.finalizedChunks.push(e.currentChunk),this.finalizedChunks.push(e.currentChunk),e.currentChunk=null;e&&await this.writer.flush()}async registerSampleFastStartReserve(e,t){this.allTracksAreKnown()?(this.mdat||await this.createFastStartReserveMdat(),await this.addSampleToTrack(e,t)):e.sampleQueue.push(t)}async createFastStartReserveMdat(){(0,B.vA)(this.writer),(0,B.vA)(this.boxWriter),this.ensureOneEnabledTrack();let e=sr(this),t=this.boxWriter.measureBox(e)+this.computeSampleTableSizeUpperBound()+4096;for(let e of((0,B.vA)(null!==this.ftypSize),this.writer.seek(this.ftypSize+t),this.formatOptions.onMdat&&this.writer.startTrackingWrites(),this.mdat=si(!0),this.boxWriter.writeBox(this.mdat),this.trackDatas)){for(let t of e.sampleQueue)await this.addSampleToTrack(e,t);e.sampleQueue.length=0}}computeSampleTableSizeUpperBound(){(0,B.vA)("reserve"===this.fastStart);let e=0;for(let t of this.trackDatas){let i=t.track.metadata.maximumPacketCount;(0,B.vA)(void 0!==i),e+=8*Math.ceil(2/3*i)+4*i+8*Math.ceil(2/3*i)+12*Math.ceil(2/3*i)+4*i+8*i}return e}async onTrackClose(e){let t=await this.mutex.acquire(),i=this.trackDatas.find(t=>t.track===e);i&&(i.closed=!0,"subtitle"===i.type&&"webvtt"===e.source._codec&&await this.processWebVTTCues(i,1/0),this.processTimestamps(i)),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),this.isFragmented&&await this.interleaveSamples(),t()}ensureOneEnabledTrack(){for(let e of["video","audio","subtitle"]){let t=this.trackDatas.filter(t=>t.type===e);if(0!==t.length&&!t.some(e=>e.track.metadata.disposition?.default!==!1)){let e=t[0];e.track.metadata.disposition={...e.track.metadata.disposition,default:!0}}}}async forceFragmentFinalization(){(0,B.vA)(this.isFragmented);let e=await this.mutex.acquire();try{for(let e of this.trackDatas)"subtitle"===e.type&&"webvtt"===e.track.source._codec&&await this.processWebVTTCues(e,1/0),this.processTimestamps(e);await this.interleaveSamples(!0),await this.finalizeFragment()}finally{e()}}async finalize(){let e=await this.mutex.acquire();for(let e of(this.allTracksKnown.resolve(),this.ensureOneEnabledTrack(),this.mdat||"reserve"!==this.fastStart||await this.createFastStartReserveMdat(),this.trackDatas))e.closed=!0,"subtitle"===e.type&&"webvtt"===e.track.source._codec&&await this.processWebVTTCues(e,1/0),this.processTimestamps(e);if(this.isFragmented)await this.interleaveSamples(!0),await this.finalizeFragment(!1);else for(let e of this.trackDatas)if(await this.finalizeCurrentChunk(e),null!==e.startTimestampOffset)for(let t=0;t<e.samples.length;t++){let i=e.samples[t];i.timestamp-=e.startTimestampOffset,i.decodeTimestamp-=e.startTimestampOffset}if((0,B.vA)(this.writer),(0,B.vA)(this.boxWriter),"in-memory"===this.fastStart){let e;this.mdat=si(!1);for(let t=0;t<2;t++){let t=sr(this),i=this.boxWriter.measureBox(t);e=this.boxWriter.measureBox(this.mdat);let r=this.writer.getPos()+i+e;for(let t of this.finalizedChunks)for(let{data:i}of(t.offset=r,t.samples))(0,B.vA)(i),r+=i.byteLength,e+=i.byteLength;if(r<0x100000000)break;e>=0x100000000&&(this.mdat.largeSize=!0)}this.formatOptions.onMoov&&this.writer.startTrackingWrites();let t=sr(this);if(this.boxWriter.writeBox(t),this.formatOptions.onMoov){let{data:e,start:t}=this.writer.stopTrackingWrites();this.formatOptions.onMoov(e,t)}for(let t of(this.formatOptions.onMdat&&this.writer.startTrackingWrites(),this.mdat.size=e,this.boxWriter.writeBox(this.mdat),this.finalizedChunks))for(let e of t.samples)(0,B.vA)(e.data),this.writer.write(e.data),e.data=null;if(this.formatOptions.onMdat){let{data:e,start:t}=this.writer.stopTrackingWrites();this.formatOptions.onMdat(e,t)}}else if(this.isFragmented)if(this.isCmaf){let e=null!==this.segmentHeaderSize?this.writer.getPos()-this.segmentHeaderSize:0;this.writer.seek(0),this.boxWriter.writeBox(se()),this.boxWriter.writeBox(st(this,e))}else{let e=this.writer.getPos(),t=a7("mfra",void 0,[...this.trackDatas.map(sZ),a9("mfro",0,0,[aG(0)])]);this.boxWriter.writeBox(t);let i=this.writer.getPos()-e;this.writer.seek(this.writer.getPos()-4),this.boxWriter.writeU32(i)}else{(0,B.vA)(this.mdat);let e=this.boxWriter.offsets.get(this.mdat);(0,B.vA)(void 0!==e);let t=this.writer.getPos()-e;if(this.mdat.size=t,this.mdat.largeSize=t>=0x100000000,this.boxWriter.patchBox(this.mdat),this.formatOptions.onMdat){let{data:e,start:t}=this.writer.stopTrackingWrites();this.formatOptions.onMdat(e,t)}let i=sr(this);if("reserve"===this.fastStart){(0,B.vA)(null!==this.ftypSize),this.writer.seek(this.ftypSize),this.formatOptions.onMoov&&this.writer.startTrackingWrites(),this.boxWriter.writeBox(i);let e=this.boxWriter.offsets.get(this.mdat)-this.writer.getPos();this.boxWriter.writeBox({type:"free",size:e})}else this.formatOptions.onMoov&&this.writer.startTrackingWrites(),this.boxWriter.writeBox(i);if(this.formatOptions.onMoov){let{data:e,start:t}=this.writer.stopTrackingWrites();this.formatOptions.onMoov(e,t)}}e()}}let nT="Mediabunny",nS={video:1,audio:2,subtitle:17};

1class nv extends aF{constructor(e,t){super(e),this.trackDatas=[],this.allTracksKnown=(0,B.nJ)(),this.segment=null,this.segmentInfo=null,this.seekHead=null,this.tracksElement=null,this.tagsElement=null,this.attachmentsElement=null,this.segmentDuration=null,this.cues=null,this.currentCluster=null,this.currentClusterStartMsTimestamp=null,this.currentClusterMaxMsTimestamp=null,this.trackDatasInCurrentCluster=new Map,this.startTimestamp=1/0,this.endTimestamp=-1/0,this.format=t}async start(){let e=await this.mutex.acquire();for(let e of(this.writer=await this.output._getRootWriter(!!this.format._options.appendOnly),this.ebmlWriter=new tb(this.writer),this.writeEBMLHeader(),this.createSegmentInfo(),this.createCues(),await this.writer.flush(),this.output.tracks))e.isVideoTrack()&&e.metadata.decoderConfig?this.getVideoTrackData(e,e.metadata.primingPacket??null,{decoderConfig:e.metadata.decoderConfig}):e.isAudioTrack()&&e.metadata.decoderConfig&&this.getAudioTrackData(e,e.metadata.primingPacket??null,{decoderConfig:e.metadata.decoderConfig});e()}writeEBMLHeader(){this.format._options.onEbmlHeader&&this.writer.startTrackingWrites();let e={id:v.EBML,data:[{id:v.EBMLVersion,data:1},{id:v.EBMLReadVersion,data:1},{id:v.EBMLMaxIDLength,data:4},{id:v.EBMLMaxSizeLength,data:8},{id:v.DocType,data:this.format instanceof oh?"webm":"matroska"},{id:v.DocTypeVersion,data:2},{id:v.DocTypeReadVersion,data:2}]};if(this.ebmlWriter.writeEBML(e),this.format._options.onEbmlHeader){let{data:e,start:t}=this.writer.stopTrackingWrites();this.format._options.onEbmlHeader(e,t)}}maybeCreateSeekHead(e){if(this.format._options.appendOnly)return;let t=new Uint8Array([28,83,187,107]),i=new Uint8Array([21,73,169,102]),r=new Uint8Array([22,84,174,107]),a=new Uint8Array([25,65,164,105]),s=new Uint8Array([18,84,195,103]),n={id:v.SeekHead,data:[{id:v.Seek,data:[{id:v.SeekID,data:t},{id:v.SeekPosition,size:5,data:e?this.ebmlWriter.offsets.get(this.cues)-this.segmentDataOffset:0}]},{id:v.Seek,data:[{id:v.SeekID,data:i},{id:v.SeekPosition,size:5,data:e?this.ebmlWriter.offsets.get(this.segmentInfo)-this.segmentDataOffset:0}]},{id:v.Seek,data:[{id:v.SeekID,data:r},{id:v.SeekPosition,size:5,data:e?this.ebmlWriter.offsets.get(this.tracksElement)-this.segmentDataOffset:0}]},this.attachmentsElement?{id:v.Seek,data:[{id:v.SeekID,data:a},{id:v.SeekPosition,size:5,data:e?this.ebmlWriter.offsets.get(this.attachmentsElement)-this.segmentDataOffset:0}]}:null,this.tagsElement?{id:v.Seek,data:[{id:v.SeekID,data:s},{id:v.SeekPosition,size:5,data:e?this.ebmlWriter.offsets.get(this.tagsElement)-this.segmentDataOffset:0}]}:null]};this.seekHead=n}createSegmentInfo(){let e={id:v.Duration,data:new tu(0)};this.segmentDuration=e;let t={id:v.Info,data:[{id:v.TimestampScale,data:1e6},{id:v.MuxingApp,data:nT},{id:v.WritingApp,data:nT},this.format._options.appendOnly?null:e]};this.segmentInfo=t}createTracks(){let e={id:v.Tracks,data:[]};for(let t of(this.tracksElement=e,this.trackDatas)){let i=tF[t.track.source._codec];(0,B.vA)(i);let r=0;if("audio"===t.type&&"opus"===t.track.source._codec){r=1e6*80;let e=t.info.decoderConfig.description;e&&(r=Math.round(1e9*(eS((0,B.Fo)(e)).preSkip/O.yo)))}e.data.push({id:v.TrackEntry,data:[{id:v.TrackNumber,data:t.track.id},{id:v.TrackUID,data:t.track.id},{id:v.TrackType,data:nS[t.type]},t.track.metadata.disposition?.default===!1?{id:v.FlagDefault,data:0}:null,t.track.metadata.disposition?.forced?{id:v.FlagForced,data:1}:null,t.track.metadata.disposition?.hearingImpaired?{id:v.FlagHearingImpaired,data:1}:null,t.track.metadata.disposition?.visuallyImpaired?{id:v.FlagVisualImpaired,data:1}:null,t.track.metadata.disposition?.original?{id:v.FlagOriginal,data:1}:null,t.track.metadata.disposition?.commentary?{id:v.FlagCommentary,data:1}:null,{id:v.FlagLacing,data:0},{id:v.Language,data:t.track.metadata.languageCode??B.IR},{id:v.CodecID,data:i},t.codecPrivate?{id:v.CodecPrivate,data:(0,B.Fo)(t.codecPrivate)}:null,{id:v.CodecDelay,data:0},{id:v.SeekPreRoll,data:r},void 0!==t.track.metadata.name?{id:v.Name,data:new th(t.track.metadata.name)}:null,"video"===t.type?this.videoSpecificTrackInfo(t):null,"audio"===t.type?this.audioSpecificTrackInfo(t):null,"subtitle"===t.type?this.subtitleSpecificTrackInfo(t):null]})}}videoSpecificTrackInfo(e){let{frameRate:t,rotation:i}=e.track.metadata,r=[t?{id:v.DefaultDuration,data:1e9/t}:null],a=i?(0,B.qT)(-i):0,s=!!e.info.aspectRatio&&e.info.aspectRatio.num*e.info.height!=e.info.aspectRatio.den*e.info.width,n=e.info.decoderConfig.colorSpace;return r.push({id:v.Video,data:[{id:v.PixelWidth,data:e.info.width},{id:v.PixelHeight,data:e.info.height},s?{id:v.DisplayWidth,data:e.info.aspectRatio.num}:null,s?{id:v.DisplayHeight,data:e.info.aspectRatio.den}:null,s?{id:v.DisplayUnit,data:3}:null,e.info.alphaMode?{id:v.AlphaMode,data:1}:null,(0,B.HV)(n)?{id:v.Colour,data:[{id:v.MatrixCoefficients,data:B.Au[n.matrix]},{id:v.TransferCharacteristics,data:B.uN[n.transfer]},{id:v.Primaries,data:B.wd[n.primaries]},{id:v.Range,data:n.fullRange?2:1}]}:null,a?{id:v.Projection,data:[{id:v.ProjectionType,data:0},{id:v.ProjectionPoseRoll,data:new tc((a+180)%360-180)}]}:null]}),r}audioSpecificTrackInfo(e){let t=O.Wq.includes(e.track.source._codec)?(0,O.Ei)(e.track.source._codec):null;return[{id:v.Audio,data:[{id:v.SamplingFrequency,data:new tc(e.info.sampleRate)},{id:v.Channels,data:e.info.numberOfChannels},t?{id:v.BitDepth,data:8*t.sampleSize}:null]}]}subtitleSpecificTrackInfo(e){return[]}maybeCreateTags(){let e=[],t=(t,i)=>{e.push({id:v.SimpleTag,data:[{id:v.TagName,data:new th(t)},"string"==typeof i?{id:v.TagString,data:new th(i)}:{id:v.TagBinary,data:i}]})},i=this.output._metadataTags,r=new Set;for(let{key:e,value:a}of(0,B.rk)(i))switch(e){case"title":t("TITLE",a),r.add("TITLE");break;

1case"description":t("DESCRIPTION",a),r.add("DESCRIPTION");break;case"artist":t("ARTIST",a),r.add("ARTIST");break;case"album":t("ALBUM",a),r.add("ALBUM");break;case"albumArtist":t("ALBUM_ARTIST",a),r.add("ALBUM_ARTIST");break;case"genre":t("GENRE",a),r.add("GENRE");break;case"comment":t("COMMENT",a),r.add("COMMENT");break;case"lyrics":t("LYRICS",a),r.add("LYRICS");break;case"date":t("DATE",a.toISOString().slice(0,10)),r.add("DATE");break;case"trackNumber":t("PART_NUMBER",void 0!==i.tracksTotal?`${a}/${i.tracksTotal}`:a.toString()),r.add("PART_NUMBER");break;case"discNumber":t("DISC",void 0!==i.discsTotal?`${a}/${i.discsTotal}`:a.toString()),r.add("DISC");break;case"tracksTotal":case"discsTotal":case"images":case"raw":break;default:(0,B.xb)(e)}if(i.raw)for(let e in i.raw){let a=i.raw[e];!(null==a||r.has(e))&&("string"==typeof a||a instanceof Uint8Array)&&t(e,a)}0!==e.length&&(this.tagsElement={id:v.Tags,data:[{id:v.Tag,data:[{id:v.Targets,data:[{id:v.TargetTypeValue,data:50},{id:v.TargetType,data:"MOVIE"}]},...e]}]})}maybeCreateAttachments(){let e=this.output._metadataTags,t=[],i=new Set,r=e.images??[];for(let e of r){let r,a=e.name;for(void 0===a&&(a=("coverFront"===e.kind?"cover":"coverBack"===e.kind?"back":"image")+((0,B.sX)(e.mimeType)??""));;){r=0n;for(let e=0;e<8;e++)r<<=8n,r|=BigInt(Math.floor(256*Math.random()));if(0n!==r&&!i.has(r))break}i.add(r),t.push({id:v.AttachedFile,data:[void 0!==e.description?{id:v.FileDescription,data:new th(e.description)}:null,{id:v.FileName,data:new th(a)},{id:v.FileMediaType,data:e.mimeType},{id:v.FileData,data:e.data},{id:v.FileUID,data:r}]})}for(let[i,a]of Object.entries(e.raw??{}))a instanceof M&&/^\d+$/.test(i)&&(r.find(e=>

1e.mimeType===a.mimeType&&(0,B.ju)(e.data,a.data))||t.push({id:v.AttachedFile,data:[void 0!==a.description?{id:v.FileDescription,data:new th(a.description)}:null,{id:v.FileName,data:new th(a.name??"")},{id:v.FileMediaType,data:a.mimeType??""},{id:v.FileData,data:a.data},{id:v.FileUID,data:BigInt(i)}]}));0!==t.length&&(this.attachmentsElement={id:v.Attachments,data:t})}createSegment(){this.createTracks(),this.maybeCreateTags(),this.maybeCreateAttachments(),this.maybeCreateSeekHead(!1);let e={id:v.Segment,size:this.format._options.appendOnly?-1:6,data:[this.seekHead,this.segmentInfo,this.tracksElement,this.attachmentsElement,this.tagsElement]};if(this.segment=e,this.format._options.onSegmentHeader&&this.writer.startTrackingWrites(),this.ebmlWriter.writeEBML(e),this.format._options.onSegmentHeader){let{data:e,start:t}=this.writer.stopTrackingWrites();this.format._options.onSegmentHeader(e,t)}}createCues(){this.cues={id:v.Cues,data:[]}}get segmentDataOffset(){return(0,B.vA)(this.segment),this.ebmlWriter.dataOffsets.get(this.segment)}allTracksAreKnown(){for(let e of this.output.tracks)if(!e.source._closed&&!this.trackDatas.some(t=>t.track===e))return!1;return!0}async getMimeType(){await this.allTracksKnown.promise;let e=this.trackDatas.map(e=>"video"===e.type||"audio"===e.type?e.info.decoderConfig.codec:({webvtt:"wvtt"})[e.track.source._codec]);return tR({isWebM:this.format instanceof oh,hasVideo:this.trackDatas.some(e=>"video"===e.type),hasAudio:this.trackDatas.some(e=>"audio"===e.type),codecStrings:e})}getVideoTrackData(e,t,i){let r=this.trackDatas.find(t=>t.track===e);if(r)return r;(0,O.aF)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i.decoderConfig),(0,B.vA)(void 0!==i.decoderConfig.codedWidth),(0,B.vA)(void 0!==i.decoderConfig.codedHeight);let a=i.decoderConfig.displayAspectWidth,s=i.decoderConfig.displayAspectHeight,n=void 0===a||void 0===s?null:(0,B.Yf)({num:a,den:s}),o={track:e,type:"video",info:{width:i.decoderConfig.codedWidth,height:i.decoderConfig.codedHeight,aspectRatio:n,decoderConfig:i.decoderConfig,alphaMode:t?!!t.sideData.alpha:null},chunkQueue:[],lastWrittenMsTimestamp:null,codecPrivate:i.decoderConfig.description??null,closed:!1};return"vp9"===e.source._codec?o.codecPrivate=new Uint8Array((0,O.mD)(o.info.decoderConfig.codec)):"av1"===e.source._codec?o.codecPrivate=new Uint8Array((0,O.DC)(o.info.decoderConfig.codec)):"prores"===e.source._codec&&(o.codecPrivate=B.UG.encode(i.decoderConfig.codec)),this.trackDatas.push(o),this.trackDatas.sort((e,t)=>e.track.id-t.track.id),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),o}getAudioTrackData(e,t,i){let r=this.trackDatas.find(t=>t.track===e);if(r)return r;(0,O.P7)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i.decoderConfig);let a={...i.decoderConfig},s=!1;if("aac"===e.source._codec&&!a.description){if(!t)throw Error("No AAC description provided; you must therefore provide a priming packet.");let e=t1(ar.tempFromBytes(t.data));if(!e)throw Error("Couldn't parse ADTS header from the AAC packet. Make sure the packets are in ADTS format (as specified in ISO 13818-7) when not providing a description, or provide a description (must be an AudioSpecificConfig as specified in ISO 14496-3) and ensure the packets are raw AAC data.");let i=z.Im[e.samplingFrequencyIndex],r=z.Ti[e.channelConfiguration];if(void 0===i||void 0===r)throw Error("Invalid ADTS frame header.");a.description=(0,z.Wz)({objectType:e.objectType,sampleRate:i,numberOfChannels:r}),s=!0}let n={track:e,type:"audio",info:{numberOfChannels:i.decoderConfig.numberOfChannels,sampleRate:i.decoderConfig.sampleRate,decoderConfig:a,requiresAdtsStripping:s},chunkQueue:[],lastWrittenMsTimestamp:null,codecPrivate:a.description??null,closed:!1};return this.trackDatas.push(n),this.trackDatas.sort((e,t)=>e.track.id-t.track.id),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),n}getSubtitleTrackData(e,t){let i=this.trackDatas.find(t=>t.track===e);if(i)return i;(0,O.GL)(t),(0,B.vA)(t),(0,B.vA)(t.config);let r={track:e,type:"subtitle",info:{config:t.config},chunkQueue:[],lastWrittenMsTimestamp:null,codecPrivate:B.UG.encode(t.config.description),closed:!1}

1;return this.trackDatas.push(r),this.trackDatas.sort((e,t)=>e.track.id-t.track.id),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),r}async addEncodedVideoPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getVideoTrackData(e,t,i);r.info.alphaMode??=!!t.sideData.alpha;let a=t.data;if("prores"===e.source._codec){if(a.byteLength<8)throw Error("ProRes packet too small, expected at least 8 bytes.");a=a.subarray(8)}let s="key"===t.type;this.validateTimestamp(r.track,t.timestamp,s);let n=t.timestamp,o=t.duration;void 0!==e.metadata.frameRate&&(n=(0,B.gl)(n,e.metadata.frameRate),o=(0,B.gl)(o,e.metadata.frameRate));let l=r.info.alphaMode?t.sideData.alpha??null:null,c=this.createInternalChunk(a,n,o,t.type,l);"vp9"===e.source._codec&&this.fixVP9ColorSpace(r,c),r.chunkQueue.push(c),await this.interleaveChunks()}finally{r()}}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getAudioTrackData(e,t,i),a=t.data;if(r.info.requiresAdtsStripping){let e=t1(ar.tempFromBytes(a));if(!e)throw Error("Expected ADTS frame, didn't get one.");let t=null===e.crcCheck?7:9;a=a.subarray(t)}let s="key"===t.type;this.validateTimestamp(r.track,t.timestamp,s);let n=this.createInternalChunk(a,t.timestamp,t.duration,t.type);r.chunkQueue.push(n),await this.interleaveChunks()}finally{r()}}async addSubtitleCue(e,t,i){let r=await this.mutex.acquire();try{let r=this.getSubtitleTrackData(e,i);this.validateTimestamp(r.track,t.timestamp,!0);let a=t.text,s=Math.round(1e3*t.timestamp);aO.lastIndex=0,a=a.replace(aO,e=>{let t=aW(e.slice(1,-1));return`<${aV(t-s)}>`});let n=B.UG.encode(a),o=`${t.settings??""}
2${t.identifier??""}
3${t.notes??""}`,l=this.createInternalChunk(n,t.timestamp,t.duration,"key",o.trim()?B.UG.encode(o):null);r.chunkQueue.push(l),await this.interleaveChunks()}finally{r()}}async interleaveChunks(e=!1){if(e||this.allTracksAreKnown()){t:for(;;){let t=null,i=1/0;for(let r of this.trackDatas){if(!e&&0===r.chunkQueue.length&&!r.closed)break t;r.chunkQueue.length>0&&r.chunkQueue[0].timestamp<i&&(t=r,i=r.chunkQueue[0].timestamp)}if(!t)break;let r=t.chunkQueue.shift();this.writeBlock(t,r)}e||await this.writer.flush()}}fixVP9ColorSpace(e,t){if("key"!==t.type||!e.info.decoderConfig.colorSpace||!e.info.decoderConfig.colorSpace.matrix)return;let i=new Q._(t.data);i.skipBits(2);let r=i.readBits(1),a=(i.readBits(1)<<1)+r;if(3===a&&i.skipBits(1),i.readBits(1)||0!==i.readBits(1)||(i.skipBits(2),4817730!==i.readBits(24)))return;a>=2&&i.skipBits(1);let s={rgb:7,bt709:2,bt470bg:1,smpte170m:3}[e.info.decoderConfig.colorSpace.matrix];(0,B.Wo)(t.data,i.pos,i.pos+3,s)}createInternalChunk(e,t,i,r,a=null){return{data:e,type:r,timestamp:t,duration:i,additions:a}}writeBlock(e,t){this.segment||this.createSegment();let i=Math.round(1e3*t.timestamp),r=this.trackDatas.every(i=>{if(e===i)return"key"===t.type;let r=i.chunkQueue[0];return r?"key"===r.type:i.closed}),a=!1;if(this.currentCluster){(0,B.vA)(null!==this.currentClusterStartMsTimestamp),(0,B.vA)(null!==this.currentClusterMaxMsTimestamp);let e=i-this.currentClusterStartMsTimestamp;a=r&&i>this.currentClusterMaxMsTimestamp&&e>=1e3*(this.format._options.minimumClusterDuration??1)||e>32767}else a=!0;a&&this.createNewCluster(i);let s=i-this.currentClusterStartMsTimestamp;if(s<-32768)return;let n=new Uint8Array(4),o=new DataView(n.buffer);o.setUint8(0,128|e.track.id),o.setInt16(1,s,!1);let l=Math.round(1e3*t.duration);if(t.additions||"subtitle"===e.type){let r={id:v.BlockGroup,data:[{id:v.Block,data:[n,t.data]},"delta"===t.type?{id:v.ReferenceBlock,data:new td(e.lastWrittenMsTimestamp-i)}:null,t.additions?{id:v.BlockAdditions,data:[{id:v.BlockMore,data:[{id:v.BlockAddID,data:1},{id:v.BlockAdditional,data:t.additions}]}]}:null,l>0?{id:v.BlockDuration,data:l}:null]};this.ebmlWriter.writeEBML(r)}else{o.setUint8(3,Number("key"===t.type)<<7);let e={id:v.SimpleBlock,data:[n,t.data]};this.ebmlWriter.writeEBML(e)}this.startTimestamp=Math.min(this.startTimestamp,i),this.endTimestamp=Math.max(this.endTimestamp,i+l),e.lastWrittenMsTimestamp=i,this.trackDatasInCurrentCluster.has(e)||this.trackDatasInCurrentCluster.set(e,{firstMsTimestamp:i}

3),this.currentClusterMaxMsTimestamp=Math.max(this.currentClusterMaxMsTimestamp,i)}createNewCluster(e){this.currentCluster&&this.finalizeCurrentCluster(),this.format._options.onCluster&&this.writer.startTrackingWrites(),this.currentCluster={id:v.Cluster,size:this.format._options.appendOnly?-1:5,data:[{id:v.Timestamp,data:e}]},this.ebmlWriter.writeEBML(this.currentCluster),this.currentClusterStartMsTimestamp=e,this.currentClusterMaxMsTimestamp=e,this.trackDatasInCurrentCluster.clear()}finalizeCurrentCluster(){if((0,B.vA)(this.currentCluster),!this.format._options.appendOnly){let e=this.writer.getPos()-this.ebmlWriter.dataOffsets.get(this.currentCluster),t=this.writer.getPos();this.writer.seek(this.ebmlWriter.offsets.get(this.currentCluster)+4),this.ebmlWriter.writeVarInt(e,5),this.writer.seek(t)}if(this.format._options.onCluster){(0,B.vA)(null!==this.currentClusterStartMsTimestamp);let{data:e,start:t}=this.writer.stopTrackingWrites();this.format._options.onCluster(e,t,this.currentClusterStartMsTimestamp/1e3)}let e=this.ebmlWriter.offsets.get(this.currentCluster)-this.segmentDataOffset,t=new Map;for(let[e,{firstMsTimestamp:i}]of this.trackDatasInCurrentCluster)t.has(i)||t.set(i,[]),t.get(i).push(e);for(let[i,r]of[...t.entries()].sort((e,t)=>e[0]-t[0]))(0,B.vA)(this.cues),this.cues.data.push({id:v.CuePoint,data:[{id:v.CueTime,data:i},...r.map(t=>({id:v.CueTrackPositions,data:[{id:v.CueTrack,data:t.track.id},{id:v.CueClusterPosition,data:e}]}))]})}async onTrackClose(e){let t=await this.mutex.acquire(),i=this.trackDatas.find(t=>t.track===e);i&&(i.closed=!0),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),await this.interleaveChunks(),t()}async finalize(){let e=await this.mutex.acquire();for(let e of(this.allTracksKnown.resolve(),this.trackDatas))e.closed=!0;if(this.segment||this.createSegment(),await this.interleaveChunks(!0),this.currentCluster&&this.finalizeCurrentCluster(),(0,B.vA)(this.cues),this.ebmlWriter.writeEBML(this.cues),!this.format._options.appendOnly){let e=this.writer.getPos()-this.segmentDataOffset;this.writer.seek(this.ebmlWriter.offsets.get(this.segment)+4),this.ebmlWriter.writeVarInt(e,6);let t=this.startTimestamp===1/0?0:this.endTimestamp-this.startTimestamp;this.segmentDuration.data=new tu(t),this.writer.seek(this.ebmlWriter.offsets.get(this.segmentDuration)),this.ebmlWriter.writeEBML(this.segmentDuration),(0,B.vA)(this.seekHead),this.writer.seek(this.ebmlWriter.offsets.get(this.seekHead)),this.maybeCreateSeekHead(!0),this.ebmlWriter.writeEBML(this.seekHead)}e()}}class nP{constructor(e){this.writer=e,this.helper=new Uint8Array(8),this.helperView=new DataView(this.helper.buffer)}writeU32(e){this.helperView.setUint32(0,e,!1),this.writer.write(this.helper.subarray(0,4))}writeXingFrame(e){let t,i=this.writer.getPos(),r=224|e.mpegVersionId<<3|e.layer<<1;t=2&e.mpegVersionId&&1&e.mpegVersionId?0:1;let a=-1,s=16*t*4+16*e.layer;for(let i=0;i<16;i++){let r=N[s+i];if(W(t,e.layer,1e3*r,e.sampleRate,0)>=155){a=i;break}}if(-1===a)throw Error("No suitable bitrate found.");let n=a<<4|e.frequencyIndex<<2,o=e.channel<<6|e.modeExtension<<4|e.copyright<<3|e.original<<2|e.emphasis;this.helper[0]=255,this.helper[1]=r,this.helper[2]=n,this.helper[3]=o,this.writer.write(this.helper.subarray(0,4));let l=V(e.mpegVersionId,e.channel);this.writer.seek(i+l),this.writeU32(0x58696e67);let c=0;null!==e.frameCount&&(c|=y.FrameCount),null!==e.fileSize&&(c|=y.FileSize),null!==e.toc&&(c|=y.Toc),this.writeU32(c),this.writeU32(e.frameCount??0),this.writeU32(e.fileSize??0),this.writer.write(e.toc??new Uint8Array(100));let u=N[s+a],d=W(t,e.layer,1e3*u,e.sampleRate,0);this.writer.write(new Uint8Array(i+d-this.writer.getPos()))}}class n_ extends aF{constructor(e,t){super(e),this.xingFrameData=null,this.frameCount=0,this.framePositions=[],this.xingFramePos=null,this.format=t}async start(){let e=await this.mutex.acquire();this.writer=await this.output._getRootWriter(!1===this.format._options.xingHeader),this.mp3Writer=new nP(this.writer),D(this.output._metadataTags)||new aB(this.writer).writeId3V2Tag(this.output._metadataTags),e()}async getMimeType(){return"audio/mpeg"}async addEncodedVideoPacket(){throw Error("MP3 does not support video.")}async addEncodedAudioPacket(e,t){let i=await this.mutex.acquire();try{let i=!1!==this.format._options.xingHeader;if(!this.xingFrameData&&i){let e=(0,B.Zc)(t.data);if(e.byteLength<4)throw Error("Invalid MP3 header in sample.");let i=e.getUint32(0,!1),r=q(i,null).header;if(!r)throw Error("Invalid MP3 header in sample.");let a=V(r.mpegVersionId,r.channel);if(e.byteLength>=a+4){let t=e.getUint32(a,!1);if(0x58696e67===t||0x496e666f===t)return}this.xingFrameData={mpegVersionId:r.mpegVersionId,layer:r.layer,frequencyIndex:r.frequencyIndex,sampleRate:r.sampleRate,channel:r.channel,modeExtension:r.modeExtension,copyright:r.copyright,original:r.original,emphasis:r.emphasis,frameCount:null,fileSize:null,toc:null},this.xingFramePos=this.writer.getPos(),this.mp3Writer.writeXingFrame(this.xingFrameData),this.frameCount++}this.validateTimestamp(e,t.timestamp,"key"===t.type),i&&this.framePositions.push(this.writer.getPos()),this.writer.write(t.data),this.frameCount++,await this.writer.flush()}finally{i()}}async addSubtitleCue(){throw Error("MP3 does not support subtitles.")}async finalize(){let e=await this.mutex.acquire();if(!this.xingFrameData&&!1===this.format._options.xingHeader)throw Error("Cannot finalize an empty MP3 file: not a single packet was added and the Xing header is disabled, so there's no frame we could write.");if(!this.xingFrameData){let e=this.output.tracks[0];(0,B.vA)(e?.isAudioTrack());let t=e.metadata.primingPacket;if(t){let e=(0,B.Zc)(t.data);if(e.byteLength<4)throw Error("Invalid MP3 header in priming packet.");let i=q(e.getUint32(0,!1),null).header;if(!i)throw Error("Invalid MP3 header in priming packet.");this.xingFrameData={mpegVersionId:i.mpegVersionId,layer:i.layer,frequencyIndex:i.frequencyIndex,sampleRate:i.sampleRate,channel:i.channel,modeExtension:i.modeExtension,copyright:i.copyright,original:i.original,emphasis:i.emphasis,frameCount:null,fileSize:null,toc:null}}else if(e.metadata.decoderConfig){let{sampleRate:t,numberOfChannels:i}=e.metadata.decoderConfig,r=[3,2,0],a=null,s=-1;for(let e=0;e<r.length;e++)if(-1!==(s=L.indexOf(t<<e))){a=r[e];break}if(null===a)throw Error(`${t} Hz is not a valid MP3 sample rate.`);this.xingFrameData={mpegVersionId:a,layer:1,frequencyIndex:s,sampleRate:t,channel:3*(1===i),modeExtension:0,copyright:0,original:0,emphasis:0,frameCount:null,fileSize:null,toc:null}}else throw Error("Cannot finalize an empty MP3 file: no packets were added and the track specified neither a decoderConfig nor a primingPacket in its metadata, so there's no telling what the file should look like.");this.xingFramePos=this.writer.getPos(),this.mp3Writer.writeXingFrame(this.xingFrameData),this.frameCount++}(0,B.vA)(null!==this.xingFramePos);let t=this.writer.getPos()-this.xingFramePos;if(this.writer.seek(this.xingFramePos),this.framePositions.length>0){let e=new Uint8Array(100);for(let i=0;i<100;i++){let r=Math.floor(this.framePositions.length*(i/100)),a=this.framePositions[r]-this.xingFramePos;e[i]=a/t*256}this.xingFrameData.toc=e}if(this.xingFrameData.frameCount=this.frameCount,this.xingFrameData.fileSize=t,this.format._options.onXingFrame&&this.writer.startTrackingWrites(),this.mp3Writer.writeXingFrame(this.xingFrameData),this.format._options.onXingFrame){let{data:e,start:t}=this.writer.stopTrackingWrites();this.format._options.onXingFrame(e,t)}e()}}class nI extends aF{constructor(e,t){super(e),this.trackDatas=[],this.bosPagesWritten=!1,this.allTracksKnown=(0,B.nJ)(),this.pageBytes=new Uint8Array(65307),this.pageView=new DataView(this.pageBytes.buffer),this.format=t}async start(){let e=await this.mutex.acquire();for(let e of(this.writer=await this.output._getRootWriter(!0),this.output.tracks))(0,B.vA)(e.isAudioTrack()),e.metadata.decoderConfig&&this.getTrackData(e,{decoderConfig:e.metadata.decoderConfig});e()}async getMimeType(){return await this.allTracksKnown.promise,t$({codecStrings:this.trackDatas.map(e=>e.codecInfo.codec)})}addEncodedVideoPacket(){throw Error("Video tracks are not supported.")}getTrackData(e,t){let i,r=this.trackDatas.find(t=>t.track===e);if(r)return r;do i=Math.floor(0x100000000*Math.random());while(this.trackDatas.some(e=>e.serialNumber===i));(0,B.vA)("vorbis"===e.source._codec||"opus"===e.source._codec),(0,O.P7)(t,e.source._codec),(0,B.vA)(t),(0,B.vA)(t.decoderConfig);let a={track:e,serialNumber:i,internalSampleRate:"opus"===e.source._codec?O.yo:t.decoderConfig.sampleRate,codecInfo:{codec:e.source._codec,vorbisInfo:null,opusInfo:null},vorbisLastBlocksize:null,packetQueue:[],currentTimestampInSamples:0,pagesWritten:0,currentGranulePosition:0,

3currentLacingValues:[],currentPageData:[],currentPageSize:27,currentPageStartsWithFreshPacket:!0,currentPageStartTimestampInSamples:0,closed:!1};return this.queueHeaderPackets(a,t),this.trackDatas.push(a),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),a}queueHeaderPackets(e,t){if((0,B.vA)(t.decoderConfig),"vorbis"===e.track.source._codec){(0,B.vA)(t.decoderConfig.description);let i=(0,B.Fo)(t.decoderConfig.description);if(2!==i[0])throw TypeError("First byte of Vorbis decoder description must be 2.");let r=1,a=()=>{let e=0;for(;;){let t=i[r++];if(void 0===t)throw TypeError("Vorbis decoder description is too short.");if(e+=t,t<255)return e}},s=a(),n=a();if(i.length-r<=0)throw TypeError("Vorbis decoder description is too short.");let o=i.subarray(r,r+=s);r+=n;let l=i.subarray(r),c=new Uint8Array(7);c[0]=3,c[1]=118,c[2]=111,c[3]=114,c[4]=98,c[5]=105,c[6]=115;let u=eC(c,this.output._metadataTags,!0);e.packetQueue.push({data:o,timestampInSamples:0,durationInSamples:0,forcePageFlush:!0},{data:u,timestampInSamples:0,durationInSamples:0,forcePageFlush:!1},{data:l,timestampInSamples:0,durationInSamples:0,forcePageFlush:!0});let d=(0,B.Zc)(o).getUint8(28);e.codecInfo.vorbisInfo={blocksizes:[1<<(15&d),1<<(d>>4)],modeBlockflags:eP(l).modeBlockflags}}else if("opus"===e.track.source._codec){if(!t.decoderConfig.description)throw TypeError("For Ogg, Opus decoder description is required.");let i=(0,B.Fo)(t.decoderConfig.description),r=new Uint8Array(8),a=(0,B.Zc)(r);a.setUint32(0,0x4f707573,!1),a.setUint32(4,0x54616773,!1);let s=eC(r,this.output._metadataTags,!0);e.packetQueue.push({data:i,timestampInSamples:0,durationInSamples:0,forcePageFlush:!0},{data:s,timestampInSamples:0,durationInSamples:0,forcePageFlush:!0}),e.codecInfo.opusInfo={preSkip:eS(i).preSkip}}}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getTrackData(e,i);this.validateTimestamp(r.track,t.timestamp,"key"===t.type);let a=r.currentTimestampInSamples,{durationInSamples:s,vorbisBlockSize:n}=tK(t.data,r.codecInfo,r.vorbisLastBlocksize);r.currentTimestampInSamples+=s,r.vorbisLastBlocksize=n,r.packetQueue.push({data:t.data,timestampInSamples:a,durationInSamples:s,forcePageFlush:!1}),await this.interleavePages()}finally{r()}}addSubtitleCue(){throw Error("Subtitle tracks are not supported.")}allTracksAreKnown(){for(let e of this.output.tracks)if(!e.source._closed&&!this.trackDatas.some(t=>t.track===e))return!1;return!0}async interleavePages(e=!1){if(!this.bosPagesWritten){if(!this.allTracksAreKnown()&&!e)return;for(let e of this.trackDatas)for(;e.packetQueue.length>0;){let t=e.packetQueue.shift();if(this.writePacket(e,t,!1),t.forcePageFlush)break}this.bosPagesWritten=!0}t:for(;;){let t=null,i=1/0;for(let r of this.trackDatas){if(!e&&r.packetQueue.length<=1&&!r.closed)break t;r.packetQueue.length>0&&r.packetQueue[0].timestampInSamples<i&&(t=r,i=r.packetQueue[0].timestampInSamples)}if(!t)break;let r=t.packetQueue.shift(),a=0===t.packetQueue.length;this.writePacket(t,r,a)}e||await this.writer.flush()}writePacket(e,t,i){let r=t.timestampInSamples+t.durationInSamples;if(void 0!==this.format._options.maximumPageDuration){let t=this.format._options.maximumPageDuration*e.internalSampleRate;e.currentLacingValues.length>0&&r-e.currentPageStartTimestampInSamples>t&&this.writePage(e,!1)}let a=t.data.length,s=0,n=0;for(;;){0===e.currentLacingValues.length&&s>0&&(e.currentPageStartsWithFreshPacket=!1);let r=Math.min(255,a);e.currentLacingValues.push(r),e.currentPageSize++,n+=r;let o=a<255;if(255===e.currentLacingValues.length){let r=t.data.subarray(s,n);if(s=n,e.currentPageData.push(r),e.currentPageSize+=r.length,this.writePage(e,i&&o),o)return}if(o)break;a-=255}let o=t.data.subarray(s);e.currentPageData.push(o),e.currentPageSize+=o.length,e.currentGranulePosition=r,(e.currentPageSize>=8192||t.forcePageFlush)&&this.writePage(e,i)}writePage(e,t){this.pageView.setUint32(0,0x5367674f,!0),this.pageView.setUint8(4,0);let i=0;e.currentPageStartsWithFreshPacket||(i|=1),0===e.pagesWritten&&(i|=2),t&&(i|=4),this.pageView.setUint8(5,i);let r=e.currentLacingValues.every(e=>255===e)?-1:e.currentGranulePosition;(0,B._j)(this.pageView,6,r,!0),this.pageView.setUint32(14,e.serialNumber,!0),this.pageView.setUint32(18,e.pagesWritten,!0),this.pageView.setUint32(22,0,!0),this.pageView.setUint8(26,e.currentLacingValues.length),this.pageBytes.set(e.currentLacingValues,27);let a=27+e.currentLacingValues.length;for(let t of e.currentPageData)this.pageBytes.set(t,a),a+=t.length;let s=this.pageBytes.subarray(0,a),n=tH(s);if(this.pageView.setUint32(22,n,!0),e.pagesWritten++,e.currentLacingValues.length=0,e.currentPageData.length=0,e.currentPageSize=27,e.currentPageStartsWithFreshPacket=!0,e.currentPageStartTimestampInSamples=e.currentGranulePosition,this.format._options.onPage&&this.writer.startTrackingWrites(),this.writer.write(s),this.format._options.onPage){let{data:t,start:i}=this.writer.stopTrackingWrites();this.format._options.onPage(t,i,e.track.source)}}async onTrackClose(e){let t=await this.mutex.acquire(),i=this.trackDatas.find(t=>t.track===e);i&&(i.closed=!0),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),await this.interleavePages(),t()}async finalize(){let e=await this.mutex.acquire();for(let e of(this.allTracksKnown.resolve(),this.trackDatas))e.closed=!0;for(let e of(await this.interleavePages(!0),this.trackDatas))e.currentLacingValues.length>0&&this.writePage(e,!0);e()}}let nC=new Uint8Array([9,240]),nx=new Uint8Array([70,1]);

3class nA extends aF{constructor(e,t){super(e),this.trackDatas=[],this.tablesWritten=!1,this.continuityCounters=new Map,this.packetBuffer=new Uint8Array(188),this.packetView=(0,B.Zc)(this.packetBuffer),this.allTracksKnown=(0,B.nJ)(),this.videoTrackIndex=0,this.audioTrackIndex=0,this.adaptationFieldBuffer=new Uint8Array(184),this.payloadBuffer=new Uint8Array(184),this.format=t}async start(){let e=await this.mutex.acquire();this.writer=await this.output._getRootWriter(!0),e()}async getMimeType(){return await this.allTracksKnown.promise,t9(this.trackDatas.map(e=>e.codecString))}getVideoTrackData(e,t){let i=this.trackDatas.find(t=>t.track===e);if(i)return i;(0,O.aF)(t,e.source._codec),(0,B.vA)(t?.decoderConfig);let r=e.source._codec;(0,B.vA)("avc"===r||"hevc"===r);let a={track:e,pid:256+this.trackDatas.length,streamType:"avc"===r?27:36,streamId:224+this.videoTrackIndex++,codecString:t.decoderConfig.codec,timestampProcessingQueue:[],packetQueue:[],inputIsAnnexB:null,inputIsAdts:null,avcDecoderConfig:null,hevcDecoderConfig:null,adtsHeader:null,adtsHeaderBitstream:null,firstPacketWritten:!1,closed:!1};return this.trackDatas.push(a),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),a}getAudioTrackData(e,t){let i,r,a=this.trackDatas.find(t=>t.track===e);if(a)return a;(0,O.P7)(t,e.source._codec),(0,B.vA)(t?.decoderConfig);let s=e.source._codec;switch((0,B.vA)("aac"===s||"mp3"===s||"ac3"===s||"eac3"===s),s){case"aac":i=15,r=192+this.audioTrackIndex++;break;case"mp3":i=3,r=192+this.audioTrackIndex++;break;case"ac3":i=129,r=189;break;case"eac3":i=135,r=189}let n={track:e,pid:256+this.trackDatas.length,streamType:i,streamId:r,codecString:t.decoderConfig.codec,timestampProcessingQueue:[],packetQueue:[],inputIsAnnexB:null,inputIsAdts:null,avcDecoderConfig:null,hevcDecoderConfig:null,adtsHeader:null,adtsHeaderBitstream:null,firstPacketWritten:!1,closed:!1};return this.trackDatas.push(n),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),n}async addEncodedVideoPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getVideoTrackData(e,i);this.validateTimestamp(r.track,t.timestamp,"key"===t.type);let a=this.prepareVideoPacket(r,t,i);"key"===t.type&&await this.flushTimestampQueue(r),r.timestampProcessingQueue.push({data:a,presentationTimestamp:t.timestamp,decodeTimestamp:null,isKeyframe:"key"===t.type})}finally{r()}}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{let r=this.getAudioTrackData(e,i);this.validateTimestamp(r.track,t.timestamp,"key"===t.type);let a=this.prepareAudioPacket(r,t,i);"key"===t.type&&await this.flushTimestampQueue(r),r.timestampProcessingQueue.push({data:a,presentationTimestamp:t.timestamp,decodeTimestamp:null,isKeyframe:"key"===t.type})}finally{r()}}async addSubtitleCue(){throw Error("MPEG-TS does not support subtitles.")}prepareVideoPacket(e,t,i){let r=e.track.source._codec;if(null===e.inputIsAnnexB){let t=i?.decoderConfig?.description;if(e.inputIsAnnexB=!t,!e.inputIsAnnexB){let i=(0,B.Fo)(t);"avc"===r?e.avcDecoderConfig=ea(i):e.hevcDecoderConfig=(e=>{try{let t=(0,B.Zc)(e),i=0,r=t.getUint8(i++),a=t.getUint8(i++),s=t.getUint32(i,!1);i+=4;let n=e.subarray(i,i+6);i+=6;let o=t.getUint8(i++),l=(15&t.getUint8(i++))<<8|t.getUint8(i++),c=3&t.getUint8(i++),u=3&t.getUint8(i++),d=7&t.getUint8(i++),h=7&t.getUint8(i++),m=t.getUint16(i,!1);i+=2;let f=t.getUint8(i++),p=t.getUint8(i++),g=[];for(let r=0;r<p;r++){let r=t.getUint8(i++),a=r>>7&1,s=63&r,n=t.getUint16(i,!1);i+=2;let o=[];for(let r=0;r<n;r++){let r=t.getUint16(i,!1);i+=2,o.push(e.subarray(i,i+r)),i+=r}g.push({arrayCompleteness:a,nalUnitType:s,nalUnits:o})}return{configurationVersion:r,generalProfileSpace:a>>6&3,generalTierFlag:a>>5&1,generalProfileIdc:31&a,generalProfileCompatibilityFlags:s,generalConstraintIndicatorFlags:n,generalLevelIdc:o,minSpatialSegmentationIdc:l,parallelismType:c,chromaFormatIdc:u,bitDepthLumaMinus8:d,bitDepthChromaMinus8:h,avgFrameRate:m,constantFrameRate:f>>6&3,numTemporalLayers:f>>3&7,temporalIdNested:f>>2&1,lengthSizeMinusOne:3&f,arrays:g}}catch(e){return E.y._error("Error deserializing HEVC Decoder Configuration Record:",e),null}})(i)}}return e.inputIsAnnexB?this.prepareAnnexBVideoPacket(t.data,r):this.prepareLengthPrefixedVideoPacket(e,t,r)}prepareAnnexBVideoPacket(e,t){let i=[];for(let r of X(e)){let a=e.subarray(r.offset,r.offset+r.length);("avc"===t?Z(a[0])===w.AUD:ec(a[0])===b.AUD_NUT)||i.push(a)}return i.unshift("avc"===t?nC:nx),et(i)}prepareLengthPrefixedVideoPacket(e,t,i){let r=t.data,a="avc"===i?e.avcDecoderConfig.lengthSizeMinusOne+1:e.hevcDecoderConfig.lengthSizeMinusOne+1,s=[];for(let e of G(r,a)){let t=r.subarray(e.offset,e.offset+e.length);("avc"===i?Z(t[0])===w.AUD:ec(t[0])===b.AUD_NUT)||s.push(t)}if("key"===t.type)if("avc"===i){let t=e.avcDecoderConfig;for(let e of t.pictureParameterSets)s.unshift(e);for(let e of t.sequenceParameterSets)s.unshift(e)}else{let t=e.hevcDecoderConfig;for(let e of t.arrays)if(e.nalUnitType===b.PPS_NUT)for(let t of e.nalUnits)s.unshift(t);for(let e of t.arrays)if(e.nalUnitType===b.SPS_NUT)for(let t of e.nalUnits)s.unshift(t);for(let e of t.arrays)if(e.nalUnitType===b.VPS_NUT)for(let t of e.nalUnits)s.unshift(t)}return s.unshift("avc"===i?nC:nx),et(s)}prepareAudioPacket(e,t,i){let r=e.track.source._codec;if("mp3"===r||"ac3"===r||"eac3"===r)return t.data;if(null===e.inputIsAdts){let t=i?.decoderConfig?.description;if(e.inputIsAdts=!t,!e.inputIsAdts){let i=(0,z.zF)((0,B.Fo)(t)),r=(0,z.k9)(i);e.adtsHeader=r.header,e.adtsHeaderBitstream=r.bitstream}}if(e.inputIsAdts)return t.data;(0,B.vA)(e.adtsHeader),(0,B.vA)(e.adtsHeaderBitstream);let a=e.adtsHeader,s=t.data.byteLength+a.byteLength;

3(0,z.hY)(e.adtsHeaderBitstream,s);let n=new Uint8Array(s);return n.set(a,0),n.set(t.data,a.byteLength),n}allTracksAreKnown(){for(let e of this.output.tracks)if(!e.source._closed&&!this.trackDatas.some(t=>t.track===e))return!1;return!0}async flushTimestampQueue(e,t=!0){if(0===e.timestampProcessingQueue.length)return;let i=e.timestampProcessingQueue.map(e=>e.presentationTimestamp).sort((e,t)=>e-t);for(let t=0;t<e.timestampProcessingQueue.length;t++){let r=e.timestampProcessingQueue[t];r.decodeTimestamp=i[t],e.packetQueue.push(r)}e.timestampProcessingQueue.length=0,t&&await this.interleavePackets()}async interleavePackets(e=!1){if(!this.tablesWritten){if(!this.allTracksAreKnown()&&!e)return;this.writeTables()}t:for(;;){let t=null,i=1/0;for(let r of this.trackDatas){if(!e&&0===r.packetQueue.length&&!r.closed)break t;r.packetQueue.length>0&&r.packetQueue[0].presentationTimestamp<i&&(t=r,i=r.packetQueue[0].presentationTimestamp)}if(!t)break;let r=t.packetQueue.shift();this.writePesPacket(t,r)}e||await this.writer.flush()}writeTables(){(0,B.vA)(!this.tablesWritten),this.writePsiSection(0,nF),this.writePsiSection(4096,nM(this.trackDatas)),this.tablesWritten=!0}writePsiSection(e,t){let i=0,r=!0;for(;i<t.length;){let a,s=Math.min(184-!!r,t.length-i);r?((a=this.payloadBuffer.subarray(0,1+s))[0]=0,a.set(t.subarray(i,i+s),1)):a=t.subarray(i,i+s),this.writeTsPacket(e,r,null,a),i+=s,r=!1}}writePesPacket(e,t){let i="video"===e.track.type,r=i?10:5,a=new Uint8Array(9+r),s=(0,B.Zc)(a),n=new Q._(a.subarray(9));(0,B.jD)(s,0,1,!1),a[3]=e.streamId;let o="video"===e.track.type?0:Math.min(8+t.data.length,65535);s.setUint16(4,o,!1),s.setUint8(6,132),s.setUint8(7,i?192:128),s.setUint8(8,r);let l=Math.round(9e4*t.presentationTimestamp);if(n.pos=0,n.writeBits(4,i?3:2),n.writeBits(3,l>>>30&7),n.writeBits(1,1),n.writeBits(15,l>>>15&32767),n.writeBits(1,1),n.writeBits(15,32767&l),n.writeBits(1,1),i){(0,B.vA)(null!==t.decodeTimestamp);let e=Math.round(9e4*t.decodeTimestamp);n.writeBits(4,1),n.writeBits(3,e>>>30&7),n.writeBits(1,1),n.writeBits(15,e>>>15&32767),n.writeBits(1,1),n.writeBits(15,32767&e),n.writeBits(1,1)}let c=a.length+t.data.length,u=0,d=!0;for(;u<c;){let i,r=d,s=c-u,n=d&&t.isKeyframe,o=d&&!e.firstPacketWritten,l=Math.max(0,184-s),h=null;if((i=n||o?Math.max(2,l):l)>0){let e=this.adaptationFieldBuffer;1===i?e[0]=0:(e[0]=i-1,e[1]=Number(o)<<7|Number(n)<<6,e.fill(255,2,i)),h=e.subarray(0,i)}let m=Math.min(184-i,s),f=this.payloadBuffer.subarray(0,m),p=0;if(u<a.length){let e=Math.min(a.length-u,m);f.set(a.subarray(u,u+e),0),p=e}let g=Math.max(0,u-a.length),k=g+(m-p);p<m&&f.set(t.data.subarray(g,k),p),this.writeTsPacket(e.pid,r,h,f),u+=m,d=!1}e.firstPacketWritten=!0}writeTsPacket(e,t,i,r){let a=this.continuityCounters.get(e)??0,s=r.length>0,n=i?s?3:2:+!!s;this.packetBuffer[0]=71,this.packetView.setUint16(1,16384*!!t|8191&e,!1),this.packetBuffer[3]=n<<4|15&a,s&&this.continuityCounters.set(e,a+1&15);let o=4;i&&(this.packetBuffer.set(i,o),o+=i.length),this.packetBuffer.set(r,o),(o+=r.length)<188&&this.packetBuffer.fill(255,o);let l=this.writer.getPos();this.writer.write(this.packetBuffer),this.format._options.onPacket&&this.format._options.onPacket(this.packetBuffer.slice(),l)}async onTrackClose(e){let t=await this.mutex.acquire(),i=this.trackDatas.find(t=>t.track===e);i&&(i.closed=!0,await this.flushTimestampQueue(i,!1)),this.allTracksAreKnown()&&this.allTracksKnown.resolve(),await this.interleavePackets(),t()}async finalize(){let e=await this.mutex.acquire();for(let e of(this.allTracksKnown.resolve(),this.trackDatas))e.closed=!0,await this.flushTimestampQueue(e,!1);await this.interleavePackets(!0),e()}}let nE=new Uint32Array(256);for(let e=0;e<256;e++){let t=e<<24;for(let e=0;e<8;e++)t=0x80000000&t?t<<1^0x4c11db7:t<<1;nE[e]=t>>>0}let nB=e=>{let t=0xffffffff;for(let i=0;i<e.length;i++)t=(t<<8^nE[t>>>24^e[i]])>>>0;return t},nF=new Uint8Array(16);{let e=(0,B.Zc)(nF);nF[0]=0,e.setUint16(1,45069,!1),e.setUint16(3,1,!1),nF[5]=193,nF[6]=0,nF[7]=0,e.setUint16(8,1,!1),e.setUint16(10,61440,!1),e.setUint32(12,nB(nF.subarray(0,12)),!1)}let nM=e=>{let t=0;for(let i of e)t+=5,129===i.streamType?t+=eB.length:135===i.streamType&&(t+=eF.length);let i=9+t+4,r=new Uint8Array(3+i-4),a=(0,B.Zc)(r);r[0]=2,a.setUint16(1,45056|4095&i,!1),a.setUint16(3,1,!1),r[5]=193,r[6]=0,r[7]=0,a.setUint16(8,65535,!1),a.setUint16(10,61440,!1);let s=12;for(let t of e)r[s++]=t.streamType,a.setUint16(s,57344|8191&t.pid,!1),s+=2,129===t.streamType?(a.setUint16(s,61440|eB.length,!1),s+=2,r.set(eB,s),s+=eB.length):135===t.streamType?(a.setUint16(s,61440|eF.length,!1),s+=2,r.set(eF,s),s+=eF.length):(a.setUint16(s,61440,!1),s+=2);let n=nB(r),o=new Uint8Array(r.length+4);return o.set(r,0),(0,B.Zc)(o).setUint32(r.length,n,!1),o};

3class nR{constructor(e){this.writer=e,this.helper=new Uint8Array(8),this.helperView=new DataView(this.helper.buffer)}writeU16(e){this.helperView.setUint16(0,e,!0),this.writer.write(this.helper.subarray(0,2))}writeU32(e){this.helperView.setUint32(0,e,!0),this.writer.write(this.helper.subarray(0,4))}writeU64(e){this.helperView.setUint32(0,e,!0),this.helperView.setUint32(4,Math.floor(e/0x100000000),!0),this.writer.write(this.helper)}writeAscii(e){this.writer.write(new TextEncoder().encode(e))}}class nD extends aF{constructor(e,t){super(e),this.headerWritten=!1,this.dataSize=0,this.sampleRate=null,this.sampleCount=0,this.riffSizePos=null,this.dataSizePos=null,this.ds64RiffSizePos=null,this.ds64DataSizePos=null,this.ds64SampleCountPos=null,this.format=t,this.isRf64=!!t._options.large}async start(){let e=await this.mutex.acquire();this.writer=await this.output._getRootWriter(!1),this.riffWriter=new nR(this.writer);let t=this.output.tracks[0];(0,B.vA)(t?.isAudioTrack()),t.metadata.decoderConfig&&((0,O.P7)({decoderConfig:t.metadata.decoderConfig},t.source._codec),this.writeHeader(t,t.metadata.decoderConfig),this.sampleRate=t.metadata.decoderConfig.sampleRate,this.headerWritten=!0),e()}async getMimeType(){return"audio/wav"}async addEncodedVideoPacket(){throw Error("WAVE does not support video.")}async addEncodedAudioPacket(e,t,i){let r=await this.mutex.acquire();try{if(this.headerWritten||((0,O.P7)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i.decoderConfig),this.writeHeader(e,i.decoderConfig),this.sampleRate=i.decoderConfig.sampleRate,this.headerWritten=!0),this.validateTimestamp(e,t.timestamp,"key"===t.type),!this.isRf64&&this.writer.getPos()+t.data.byteLength>=0x100000000)throw Error("Adding more audio data would exceed the maximum RIFF size of 4 GiB. To write larger files, use RF64 by setting `large: true` in the WavOutputFormatOptions.");this.writer.write(t.data),this.dataSize+=t.data.byteLength,this.sampleCount+=Math.round(t.duration*this.sampleRate),await this.writer.flush()}finally{r()}}async addSubtitleCue(){throw Error("WAVE does not support subtitles.")}writeHeader(e,t){let i;this.format._options.onHeader&&this.writer.startTrackingWrites();let r=e.source._codec,a=(0,O.Ei)(r);i="ulaw"===a.dataType?C.MULAW:"alaw"===a.dataType?C.ALAW:"float"===a.dataType?C.IEEE_FLOAT:C.PCM;let s=t.numberOfChannels,n=t.sampleRate,o=a.sampleSize*s;if(this.riffWriter.writeAscii(this.isRf64?"RF64":"RIFF"),this.isRf64?this.riffWriter.writeU32(0xffffffff):(this.riffSizePos=this.writer.getPos(),this.riffWriter.writeU32(0)),this.riffWriter.writeAscii("WAVE"),this.isRf64&&(this.riffWriter.writeAscii("ds64"),this.riffWriter.writeU32(28),this.ds64RiffSizePos=this.writer.getPos(),this.riffWriter.writeU64(0),this.ds64DataSizePos=this.writer.getPos(),this.riffWriter.writeU64(0),this.ds64SampleCountPos=this.writer.getPos(),this.riffWriter.writeU64(0),this.riffWriter.writeU32(0)),this.riffWriter.writeAscii("fmt "),this.riffWriter.writeU32(16),this.riffWriter.writeU16(i),this.riffWriter.writeU16(s),this.riffWriter.writeU32(n),this.riffWriter.writeU32(n*o),this.riffWriter.writeU16(o),this.riffWriter.writeU16(8*a.sampleSize),!D(this.output._metadataTags)){let e=this.format._options.metadataFormat??"info";"info"===e?this.writeInfoChunk(this.output._metadataTags):"id3"===e?this.writeId3Chunk(this.output._metadataTags):(0,B.xb)(e)}if(this.riffWriter.writeAscii("data"),this.isRf64?this.riffWriter.writeU32(0xffffffff):(this.dataSizePos=this.writer.getPos(),this.riffWriter.writeU32(0)),this.format._options.onHeader){let{data:e,start:t}=this.writer.stopTrackingWrites();this.format._options.onHeader(e,t)}}writeInfoChunk(e){let t=this.writer.getPos();this.riffWriter.writeAscii("LIST"),this.riffWriter.writeU32(0),this.riffWriter.writeAscii("INFO");let i=new Set,r=(e,t)=>{if(!(0,B.H9)(t))return void E.y._warn(`Didn't write tag '${e}' because '${t}' is not ISO 8859-1-compatible.`);let r=t.length+1,a=new Uint8Array(r);for(let e=0;e<t.length;e++)a[e]=t.charCodeAt(e);this.riffWriter.writeAscii(e),this.riffWriter.writeU32(r),this.writer.write(a),1&r&&this.writer.write(new Uint8Array(1)),i.add(e)};for(let{key:t,value:a}of(0,B.rk)(e))switch(t){case"title":r("INAM",a),i.add("INAM");break;case"artist":r("IART",a),i.add("IART");break;case"album":r("IPRD",a),i.add("IPRD");break;case"trackNumber":r("ITRK",void 0!==e.tracksTotal?`${a}/${e.tracksTotal}`:a.toString()),i.add("ITRK");break;case"genre":r("IGNR",a),i.add("IGNR");break;case"date":r("ICRD",a.toISOString().slice(0,10)),i.add("ICRD");break;case"comment":r("ICMT",a),i.add("ICMT");break;case"albumArtist":case"discNumber":case"tracksTotal":case"discsTotal":case"description":case"lyrics":case"images":case"raw":break;default:(0,B.xb)(t)}if(e.raw)for(let t in e.raw){let a=e.raw[t];null==a||4!==t.length||i.has(t)||"string"==typeof a&&r(t,a)}let a=this.writer.getPos(),s=a-t-8;this.writer.seek(t+4),this.riffWriter.writeU32(s),this.writer.seek(a),1&s&&this.writer.write(new Uint8Array(1))}writeId3Chunk(e){let t=this.writer.getPos();this.riffWriter.writeAscii("ID3 "),this.riffWriter.writeU32(0);let i=new aB(this.writer).writeId3V2Tag(e),r=this.writer.getPos();this.writer.seek(t+4),this.riffWriter.writeU32(i),this.writer.seek(r),1&i&&this.writer.write(new Uint8Array(1))}async finalize(){let e=await this.mutex.acquire();if(!this.headerWritten)throw Error("Cannot finalize an empty WAVE file: no packets were added and the track specified no decoderConfig in its metadata, so there's no telling what the file should look like.");let t=this.writer.getPos();this.isRf64?((0,B.vA)(null!==this.ds64RiffSizePos),this.writer.seek(this.ds64RiffSizePos),this.riffWriter.writeU64(t-8),(0,B.vA)(null!==this.ds64DataSizePos),this.writer.seek(this.ds64DataSizePos),this.riffWriter.writeU64(this.dataSize),(0,B.vA)(null!==this.ds64SampleCountPos),this.writer.seek(this.ds64SampleCountPos),this.riffWriter.writeU64(this.sampleCount)):((0,B.vA)(null!==this.riffSizePos),this.writer.seek(this.riffSizePos),this.riffWriter.writeU32(t-8),(0,B.vA)(null!==this.dataSizePos),this.writer.seek(this.dataSizePos),this.riffWriter.writeU32(this.dataSize)),e()}}var nU=i(87618);class nz{constructor(e){this.sourceSampleRate=null,this.sourceNumberOfChannels=null,this.startTime=null,this.bufferStartFrame=0,this.maxWrittenFrame=null,this.targetSampleRate=e.targetSampleRate,this.targetNumberOfChannels=e.targetNumberOfChannels,this.onSample=e.onSample,this.bufferSizeInFrames=Math.floor(5*this.targetSampleRate),this.bufferSizeInSamples=this.bufferSizeInFrames*this.targetNumberOfChannels,this.outputBuffer=new Float32Array(this.bufferSizeInSamples)}doChannelMixerSetup(){(0,B.vA)(null!==this.sourceNumberOfChannels);let e=this.sourceNumberOfChannels,t=this.targetNumberOfChannels;1===e&&2===t?this.channelMixer=(t,i)=>t[i*e]:1===e&&4===t?this.channelMixer=(t,i,r)=>t[i*e]*(r<2):1===e&&6===t?this.channelMixer=(t,i,r)=>t[i*e]*(2===r):2===e&&1===t?this.channelMixer=(t,i)=>{let r=i*e;return .5*(t[r]+t[r+1])}:2===e&&4===t?this.channelMixer=(t,i,r)=>t[i*e+r]*(r<2):2===e&&6===t?this.channelMixer=(t,i,r)=>t[i*e+r]*(r<2):4===e&&1===t?this.channelMixer=(t,i)=>{let r=i*e;return .25*(t[r]+t[r+1]+t[r+2]+t[r+3])}:4===e&&2===t?this.channelMixer=(t,i,r)=>{let a=i*e;return .5*(t[a+r]+t[a+r+2])}:4===e&&6===t?this.channelMixer=(t,i,r)=>{let a=i*e;return r<2?t[a+r]:2===r||3===r?0:t[a+r-2]}:6===e&&1===t?this.channelMixer=(t,i)=>{let r=i*e;return Math.SQRT1_2*(t[r]+t[r+1])+t[r+2]+.5*(t[r+4]+t[r+5])}:6===e&&2===t?this.channelMixer=(t,i,r)=>{let a=i*e;return t[a+r]+Math.SQRT1_2*(t[a+2]+t[a+r+4])}:6===e&&4===t?this.channelMixer=(t,i,r)=>{let a=i*e;return r<2?t[a+r]+Math.SQRT1_2*t[a+2]:t[a+r+2]}:this.channelMixer=(t,i,r)=>r<e?t[i*e+r]:0}ensureTempBufferSize(e){let t=this.tempSourceBuffer.length;for(;t<e;)t*=2;if(t!==this.tempSourceBuffer.length){let e=new Float32Array(t);e.set(this.tempSourceBuffer),this.tempSourceBuffer=e}}async add(e){null===this.sourceSampleRate&&(this.sourceSampleRate=e.sampleRate,this.sourceNumberOfChannels=e.numberOfChannels,this.startTime=e.timestamp,this.tempSourceBuffer=new Float32Array(this.sourceSampleRate*this.sourceNumberOfChannels),this.doChannelMixerSetup()),(0,B.vA)(null!==this.startTime);let t=e.numberOfFrames*e.numberOfChannels;this.ensureTempBufferSize(t);let i=e.allocationSize({planeIndex:0,format:"f32"}),r=new Float32Array(this.tempSourceBuffer.buffer,0,i/4);e.copyTo(r,{planeIndex:0,format:"f32"});let a=e.timestamp-this.startTime,s=a+e.duration,n=Math.floor((a-1/this.sourceSampleRate)*this.targetSampleRate)+1,o=Math.ceil(s*this.targetSampleRate);for(let t=n;t<o;t++){if(t<this.bufferStartFrame)continue;for(;t>=this.bufferStartFrame+this.bufferSizeInFrames;)await this.finalizeCurrentBuffer(),this.bufferStartFrame+=this.bufferSizeInFrames;let i=t-this.bufferStartFrame;(0,B.vA)(i<this.bufferSizeInFrames);let s=(t/this.targetSampleRate-a)*this.sourceSampleRate,n=Math.floor(s),o=Math.ceil(s),l=s-n;for(let t=0;t<this.targetNumberOfChannels;t++){let a=0,s=0;n>=0&&n<e.numberOfFrames&&(a=this.channelMixer(r,n,t)),o>=0&&o<e.numberOfFrames&&(s=this.channelMixer(r,o,t));let c=a+l*(s-a),u=i*this.targetNumberOfChannels+t;this.outputBuffer[u]+=c}null===this.maxWrittenFrame?this.maxWrittenFrame=i:this.maxWrittenFrame=Math.max(this.maxWrittenFrame,i)}}async finalizeCurrentBuffer(){if(null===this.maxWrittenFrame)return;(0,B.vA)(null!==this.startTime);let e=(this.maxWrittenFrame+1)*this.targetNumberOfChannels,t=new Float32Array(e);t.set(this.outputBuffer.subarray(0,e));let i=new rA.B1({format:"f32",sampleRate:this.targetSampleRate,numberOfChannels:this.targetNumberOfChannels,timestamp:this.startTime+this.bufferStartFrame/this.targetSampleRate,data:t});await this.onSample(i),this.outputBuffer.fill(0),this.maxWrittenFrame=null}finalize(){return this.finalizeCurrentBuffer()}}var nO=function(e,t,i){if(null!=t){var r,a;if("object"!=typeof t&&"function"!=typeof t)throw TypeError("Object expected.");

3if(i){if(!Symbol.asyncDispose)throw TypeError("Symbol.asyncDispose is not defined.");r=t[Symbol.asyncDispose]}if(void 0===r){if(!Symbol.dispose)throw TypeError("Symbol.dispose is not defined.");r=t[Symbol.dispose],i&&(a=r)}if("function"!=typeof r)throw TypeError("Object not disposable.");a&&(r=function(){try{a.call(this)}catch(e){return Promise.reject(e)}}),e.stack.push({value:t,dispose:r,async:i})}else i&&e.stack.push({async:!0});return t},nL=(g="function"==typeof SuppressedError?SuppressedError:function(e,t,i){var r=Error(i);return r.name="SuppressedError",r.error=e,r.suppressed=t,r},function(e){function t(t){e.error=e.hasError?new g(t,e.error,"An error was suppressed during disposal."):t,e.hasError=!0}var i,r=0;return function a(){for(;i=e.stack.pop();)try{if(!i.async&&1===r)return r=0,e.stack.push(i),Promise.resolve().then(a);if(i.dispose){var s=i.dispose.call(i.value);if(i.async)return r|=2,Promise.resolve(s).then(a,function(e){return t(e),a()})}else r|=1}catch(e){t(e)}if(1===r)return e.hasError?Promise.reject(e.error):Promise.resolve();if(e.hasError)throw e.error}()});class nN{constructor(){this._connectedTrack=null,this._closingPromise=null,this._closed=!1}_ensureValidAdd(){if(!this._connectedTrack)throw Error("Source is not connected to an output track.");if("canceled"===this._connectedTrack.output.state)throw Error("Output has been canceled.");if("finalizing"===this._connectedTrack.output.state||"finalized"===this._connectedTrack.output.state)throw Error("Output has been finalized.");if("pending"===this._connectedTrack.output.state)throw Error("Output has not started.");if(this._closed)throw Error("Source is closed.")}async _start(){}async _flushAndClose(e){}close(){if(this._closingPromise)return;let e=this._connectedTrack;if(!e)throw Error("Cannot call close without connecting the source to an output track.");if("pending"===e.output.state)throw Error("Cannot call close before output has been started.");this._closingPromise=(async()=>{await this._flushAndClose(!1),this._closed=!0,"finalizing"!==e.output.state&&"finalized"!==e.output.state&&e.output._muxer.onTrackClose(e)})()}async _flushOrWaitForOngoingClose(e){return this._closingPromise??=(async()=>{await this._flushAndClose(e),this._closed=!0})()}}class nW extends nN{constructor(e){if(super(),this._connectedTrack=null,!O.WN.includes(e))throw TypeError(`Invalid video codec '${e}'. Must be one of: ${O.WN.join(", ")}.`);this._codec=e}}let nV=(e,t)=>{if(e.metadata.hasOnlyKeyPackets&&"key"!==t.type)throw Error("Cannot add non-key packets to a hasOnlyKeyPackets video track.")};

3class nq extends nW{constructor(e){super(e)}add(e,t){if(!(e instanceof eO.Z))throw TypeError("packet must be an EncodedPacket.");if(e.isMetadataOnly)throw TypeError("Metadata-only packets cannot be added.");if(void 0!==t&&(!t||"object"!=typeof t))throw TypeError("meta, when provided, must be an object.");return this._ensureValidAdd(),nV(this._connectedTrack,e),this._connectedTrack.output._muxer.addEncodedVideoPacket(this._connectedTrack,e,t)}}class nH{setError(e){this.errorSet||(this.error=e,this.errorSet=!0)}constructor(e,t){this.source=e,this.encodingConfig=t,this.ensureEncoderPromise=null,this.encoderInitialized=!1,this.encoder=null,this.muxer=null,this.lastMultipleOfKeyFrameInterval=-1,this.emittedEncoderPackets=0,this.codedWidth=null,this.codedHeight=null,this.outputWidth=null,this.outputHeight=null,this.frameRateLastSample=null,this.frameRateLastTimestamp=null,this.frameRateLastEndTimestamp=null,this.preciseTimings=[],this.customEncoder=null,this.customEncoderCallSerializer=new B.dY,this.customEncoderQueueSize=0,this.defaultEncodeOptions={},this.alphaEncoder=null,this.splitter=null,this.splitterCreationFailed=!1,this.alphaFrameQueue=[],this.error=null,this.errorSet=!1,this.lastMuxerPromise=Promise.resolve(),this.closed=!1}async add(e,t,i){let r=e;try{this.checkForEncoderError(),this.source._ensureValidAdd();let a=this.encodingConfig,s=a.sizeChangeBehavior??"deny",n=!1;if(null!==this.codedWidth&&null!==this.codedHeight){if((e.codedWidth!==this.codedWidth||e.codedHeight!==this.codedHeight)&&(n=!0,"deny"===s))throw Error(`Video sample size must remain constant. Expected ${this.codedWidth}x${this.codedHeight}, got ${e.codedWidth}x${e.codedHeight}. To allow the sample size to change over time, set \`sizeChangeBehavior\` to a value other than 'deny' in the encoding options.`)}else this.codedWidth=e.codedWidth,this.codedHeight=e.codedHeight;if(a.transform?.width!==void 0||a.transform?.height!==void 0||a.transform?.rotate!==void 0||a.transform?.crop!==void 0||a.transform?.force===!0||n&&"passThrough"!==s){let i=a.transform?.width,r=a.transform?.height,o=a.transform?.fit??"fill";n&&"passThrough"!==s&&((0,B.vA)(this.outputWidth),(0,B.vA)(this.outputHeight),(0,B.vA)("deny"!==s),i=this.outputWidth,r=this.outputHeight,o=s);let l=await e.transform({width:i,height:r,roundDimensionsTo:2,crop:a.transform?.crop,rotate:a.transform?.rotate,fit:o,alpha:a.alpha});(null===this.outputWidth||null===this.outputHeight)&&(this.outputWidth=l.displayWidth,this.outputHeight=l.displayHeight),t&&e.close(),e=l,t=!0}else(null===this.outputWidth||null===this.outputHeight)&&(this.outputWidth=e.codedWidth,this.outputHeight=e.codedHeight);let o=a.transform?.frameRate;if(void 0!==o){let a=e.timestamp+e.duration,s=(0,B.Kd)(e.timestamp,o);if(null!==this.frameRateLastSample)if(s<=this.frameRateLastTimestamp){this.frameRateLastSample.close(),this.frameRateLastSample=e.clone(),this.frameRateLastEndTimestamp=a;return}else await this.padFrameRate(s,i);e===r&&(e=e.clone(),t=!0),e.setTimestamp(s),e.setDuration(1/o),this.frameRateLastSample?.close(),this.frameRateLastSample=e.clone(),this.frameRateLastTimestamp=s,this.frameRateLastEndTimestamp=a}await this.processAndEncode(e,i)}finally{t&&e.close()}}async processAndEncode(e,t){let i,r=this.encodingConfig;if(r.transform?.process){let t=r.transform.process(e);if(t instanceof Promise&&(t=await t),null===t)return;Array.isArray(t)||(t=[t]);let a=[];try{for(let i of t)i instanceof rA.U2?a.push(i):"u">typeof VideoFrame&&i instanceof VideoFrame?a.push(new rA.U2(i)):a.push(new rA.U2(i,{timestamp:e.timestamp,duration:e.duration}))}catch(i){for(let t of a)t!==e&&t.close();for(let i of t)i instanceof rA.U2&&i!==e?i.close():"u">typeof VideoFrame&&i instanceof VideoFrame&&i.close();throw i}i=a}else i=[e];try{for(let e of i){if(!this.encoderInitialized&&(this.ensureEncoderPromise||this.ensureEncoder(e),this.encoderInitialized||await this.ensureEncoderPromise),(0,B.vA)(this.encoderInitialized),this.closed)break;let i=this.encodingConfig.keyFrameInterval??2,r=Math.floor(e.timestamp/i),a={...this.defaultEncodeOptions,...e.encodeOptions,...t},s={...a,keyFrame:void 0!==a.keyFrame?a.keyFrame:0===i||r!==this.lastMultipleOfKeyFrameInterval};

3if(this.lastMultipleOfKeyFrameInterval=r,this.encodingConfig.onEncodedSample?.(e),this.customEncoder){this.customEncoderQueueSize++;let t=e.clone(),i=this.customEncoderCallSerializer.call(()=>this.customEncoder.encode(t,s)).catch(e=>this.setError(e)).finally(()=>{this.customEncoderQueueSize--,t.close()});this.customEncoderQueueSize>=4&&await i}else{(0,B.vA)(this.encoder);let t=e.toVideoFrame(),i=(0,B.eE)(this.preciseTimings,t.timestamp,e=>e.microsecondTimestamp),r=-1!==i?this.preciseTimings[i]:null;if(r&&r.microsecondTimestamp===t.timestamp?(r.timestamp!==e.timestamp&&(r.timestampIsValid=!1),r.duration!==e.duration&&(r.durationIsValid=!1)):(this.preciseTimings.splice(i+1,0,{microsecondTimestamp:t.timestamp,timestamp:e.timestamp,duration:e.duration,timestampIsValid:!0,durationIsValid:!0}),this.preciseTimings.length>128&&this.preciseTimings.shift()),this.alphaEncoder)if(t.format&&!t.format.includes("A")||this.splitterCreationFailed){this.alphaFrameQueue.push(null);try{this.encoder.encode(t,s)}finally{t.close()}}else{this.splitter||(this.splitter=new n$);let{colorFrame:e,alphaFrame:i}=await this.splitter.split(t);this.alphaFrameQueue.push(i);try{this.encoder.encode(e,s)}finally{e.close()}}else try{this.encoder.encode(t,s)}finally{t.close()}this.encoder.encodeQueueSize>=4&&await new Promise(e=>this.encoder.addEventListener("dequeue",e,{once:!0}))}await this.lastMuxerPromise}}finally{for(let t of i)t!==e&&t.close()}}async padFrameRate(e,t){let i=this.encodingConfig.transform.frameRate;(0,B.vA)(this.frameRateLastSample);let r=Math.round((e-this.frameRateLastTimestamp)*i);for(let e=1;e<r;e++){let r={stack:[],error:void 0,hasError:!1};try{let a=nO(r,this.frameRateLastSample.clone(),!1);a.setTimestamp(this.frameRateLastTimestamp+e/i),a.setDuration(1/i),await this.processAndEncode(a,t)}catch(e){r.error=e,r.hasError=!0}finally{nL(r)}

3}}ensureEncoder(e){this.ensureEncoderPromise=(async()=>{let t,i=(0,nU.WS)(this.encodingConfig.quality,this.encodingConfig.bitrate);(0,B.vA)(void 0!==i);let r=(0,nU.ts)({...this.encodingConfig,quality:i,width:e.codedWidth,height:e.codedHeight,squarePixelWidth:e.squarePixelWidth,squarePixelHeight:e.squarePixelHeight,framerate:this.source._connectedTrack?.metadata.frameRate}),a=null;for(let e of r){let i=e.config;if(this.encodingConfig.onEncoderConfig?.(i),t=rx.WE.find(e=>e.supports(this.encodingConfig.codec,i))){a=e;break}if(!("u"<typeof VideoEncoder)){if(i.alpha="discard","keep"===this.encodingConfig.alpha&&(i.latencyMode="quality"),(i.width%2==1||i.height%2==1)&&("avc"===this.encodingConfig.codec||"hevc"===this.encodingConfig.codec))throw Error(`The dimensions ${i.width}x${i.height} are not supported for codec '${this.encodingConfig.codec}'; both width and height must be even numbers. Make sure to round your dimensions to the nearest even number.`);try{if((await VideoEncoder.isConfigSupported(i)).supported){a=e;break}}catch{}}}if(!a){if("u"<typeof VideoEncoder)throw Error("VideoEncoder is not supported by this browser.");let e=r[0].config,t=r.map(({config:e,quantizer:t})=>null!==t?`quantizer ${t}`:`${e.bitrate} bps`);throw Error(`This specific encoder configuration (${e.codec}, ${t.join(" / ")}, ${e.width}x${e.height}, hardware acceleration: ${e.hardwareAcceleration??"no-preference"}) is not supported by this browser. Consider using another codec or changing your video parameters.`)}let s=a.config;if(null!==a.quantizer&&(this.defaultEncodeOptions=(0,nU.Sv)(this.encodingConfig.codec,a.quantizer)),t)this.customEncoder=new t,this.customEncoder.codec=this.encodingConfig.codec,this.customEncoder.config=s,this.customEncoder.onPacket=(e,t)=>{if(!(e instanceof eO.Z))throw TypeError("The first argument passed to onPacket must be an EncodedPacket.");if(void 0!==t&&(!t||"object"!=typeof t))throw TypeError("The second argument passed to onPacket must be an object or undefined.");nV(this.source._connectedTrack,e),this.encodingConfig.onEncodedPacket?.(e,t),this.lastMuxerPromise=this.muxer.addEncodedVideoPacket(this.source._connectedTrack,e,t).catch(e=>{this.setError(e)})},this.customEncoder.onError=e=>{this.setError(e)},await this.customEncoder.init();else{let e=[],t=[],i=0,r=0,a=(e,t,i)=>{let r={};if(t){let e=new Uint8Array(t.byteLength);t.copyTo(e),r.alpha=e}let a=eO.Z.fromEncodedChunk(e,r),s=(0,B.eE)(this.preciseTimings,e.timestamp,e=>e.microsecondTimestamp),n=-1!==s?this.preciseTimings[s]:null,o=null;0===this.emittedEncoderPackets&&"delta"===a.type&&i?.decoderConfig&&(o=e_(this.encodingConfig.codec,i.decoderConfig,a.data)),(n&&n.microsecondTimestamp===e.timestamp||null!==o)&&(a=a.clone({timestamp:n?.timestampIsValid?n.timestamp:void 0,duration:n?.durationIsValid?n.duration:void 0,type:o??void 0})),nV(this.source._connectedTrack,a),this.encodingConfig.onEncodedPacket?.(a,i),this.lastMuxerPromise=this.muxer.addEncodedVideoPacket(this.source._connectedTrack,a,i).catch(e=>{this.setError(e)}),this.emittedEncoderPackets++},n=Error("Encoding error").stack;if(this.encoder=new VideoEncoder({output:(s,n)=>{if(!this.alphaEncoder)return void a(s,null,n);let o=this.alphaFrameQueue.shift();(0,B.vA)(void 0!==o),o?(this.alphaEncoder.encode(o,{...this.defaultEncodeOptions,keyFrame:"key"===s.type}),r++,o.close(),e.push({chunk:s,meta:n})):0===r?a(s,null,n):(t.push(i+r),e.push({chunk:s,meta:n}))},error:e=>{e.stack=n,this.setError(e)}}),this.encoder.configure(s),"keep"===this.encodingConfig.alpha){let n=Error("Encoding error").stack;this.alphaEncoder=new VideoEncoder({output:(s,n)=>

3{r--;let o=e.shift();for((0,B.vA)(void 0!==o),a(o.chunk,s,o.meta),i++;t.length>0&&t[0]===i;){t.shift();let i=e.shift();(0,B.vA)(void 0!==i),a(i.chunk,null,i.meta)}},error:e=>{e.stack=n,this.setError(e)}}),this.alphaEncoder.configure(s)}}(0,B.vA)(this.source._connectedTrack),this.muxer=this.source._connectedTrack.output._muxer,this.encoderInitialized=!0})()}async flushAndClose(e){try{if(!e&&(this.checkForEncoderError(),this.frameRateLastSample)){let e=this.encodingConfig.transform.frameRate,t=(0,B.Kd)(this.frameRateLastEndTimestamp,e);await this.padFrameRate(t)}this.closed=!0,!e&&(this.customEncoder?this.customEncoderCallSerializer.call(()=>this.customEncoder.flush()):this.encoder&&(await this.encoder.flush(),await this.alphaEncoder?.flush(),await (0,B.uk)(25)))}finally{this.closed=!0,this.frameRateLastSample?.close(),this.frameRateLastSample=null,this.customEncoder?await this.customEncoderCallSerializer.call(()=>this.customEncoder.close()).catch(e=>this.setError(e)):this.encoder&&("closed"!==this.encoder.state&&this.encoder.close(),this.alphaEncoder&&"closed"!==this.alphaEncoder.state&&this.alphaEncoder.close(),this.alphaFrameQueue.forEach(e=>e?.close()),this.alphaFrameQueue.length=0,this.splitter?.close())}e||this.checkForEncoderError()}getQueueSize(){return this.customEncoder?this.customEncoderQueueSize:this.encoder?.encodeQueueSize??0}checkForEncoderError(){if(this.errorSet)throw this.error}}let nK=null;class n${constructor(){this.worker=null,this.pendingRequests=new Map,this.nextRequestId=0}split(e){if(!this.worker){if(!nK){let e=new Blob([`(${nj.toString()})()`],{type:"application/javascript"});nK=URL.createObjectURL(e)}this.worker=new Worker(nK),this.worker.addEventListener("message",e=>{let t=e.data,i=this.pendingRequests.get(t.id);i&&(this.pendingRequests.delete(t.id),"error"in t?i.reject(Error(t.error)):i.resolve({colorFrame:t.colorFrame,alphaFrame:t.alphaFrame}))}),this.worker.addEventListener("error",e=>{let t=Error(e.message||"Color/alpha splitter worker error.");for(let e of this.pendingRequests.values())e.reject(t);this.pendingRequests.clear()})}let t=this.nextRequestId++,i=(0,B.nJ)();return this.pendingRequests.set(t,i),this.worker.postMessage({id:t,sourceFrame:e},{transfer:[e]}),i.promise}close(){this.worker?.terminate(),this.worker=null;let e=Error("Color/alpha splitter closed.");for(let t of this.pendingRequests.values())t.reject(e);this.pendingRequests.clear()}}let nj=()=>{let e=null,t=Promise.resolve();self.addEventListener("message",e=>{let{id:r,sourceFrame:a}=e.data;t=t.then(async()=>{try{let{colorFrame:e,alphaFrame:t}=await i(a);self.postMessage({id:r,colorFrame:e,alphaFrame:t},{transfer:[e,t]})}catch(e){self.postMessage({id:r,error:e.message})}finally{a.close()}})});let i=async t=>{let i=t.format;if(!i)throw Error("CPU color/alpha splitting requires a known VideoFrame format.");let s=t.allocationSize();if(e&&e.byteLength===s||(e=new Uint8Array(s)),await t.copyTo(e),"RGBA"===i||"BGRA"===i)return r(e,i,t);if("I420A"===i||"I420AP10"===i||"I420AP12"===i||"I422A"===i||"I422AP10"===i||"I422AP12"===i||"I444A"===i||"I444AP10"===i||"I444AP12"===i)return a(e,i,t);throw Error(`CPU color/alpha splitting does not support format '${i}'.`)},r=(e,t,i)=>{let r=i.visibleRect?.width??i.codedWidth,a=i.visibleRect?.height??i.codedHeight,s=r*a,n=new Uint8Array(s+Math.ceil(r/2)*Math.ceil(a/2)*2);for(let t=0,i=3;t<s;t++,i+=4)n[t]=e[i];n.fill(128,s);let o=new VideoFrame(e,{format:"RGBA"===t?"RGBX":"BGRX",codedWidth:r,codedHeight:a,timestamp:i.timestamp,duration:i.duration??void 0}),l={format:"I420",codedWidth:r,codedHeight:a,timestamp:i.timestamp,duration:i.duration??void 0,transfer:[n.buffer]};return{colorFrame:o,alphaFrame:new VideoFrame(n,l)}},a=(e,t,i)=>{let r,a,s=i.visibleRect?.width??i.codedWidth,n=i.visibleRect?.height??i.codedHeight,o=t.includes("P10"),l=t.includes("P12"),c=o||l?2:1;t.startsWith("I420")?(r=Math.ceil(s/2),a=Math.ceil(n/2)):(r=t.startsWith("I422")?Math.ceil(s/2):s,a=n);let u=s*n,d=u*c,h=u*c+r*a*c*2,m=t.replace("A",""),f=Math.ceil(s/2)*Math.ceil(n/2),p=new Uint8Array(d+f*c*2);p.set(e.subarray(h,h+d),0);let g=o?512:l?2048:128;1===c?p.fill(g,d):new Uint16Array(p.buffer,d,2*f).fill(g);let k=new VideoFrame(e.subarray(0,h),{format:m,codedWidth:s,coded

3Height:n,timestamp:i.timestamp,duration:i.duration??void 0}),y={format:o?"I420P10":l?"I420P12":"I420",codedWidth:s,codedHeight:n,timestamp:i.timestamp,duration:i.duration??void 0,transfer:[p.buffer]};return{colorFrame:k,alphaFrame:new VideoFrame(p,y)}}};class nQ extends nW{constructor(e){(0,nU.bf)(e),super(e.codec),this._encoder=new nH(this,e)}add(e,t){if(!(e instanceof rA.U2))throw TypeError("videoSample must be a VideoSample.");return this._encoder.add(e,!1,t)}_flushAndClose(e){return this._encoder.flushAndClose(e)}}class nX extends nW{constructor(e,t){if(!("u">typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement)&&!("u">typeof OffscreenCanvas&&e instanceof OffscreenCanvas))throw TypeError("canvas must be an HTMLCanvasElement or OffscreenCanvas.");(0,nU.bf)(t),super(t.codec),this._encoder=new nH(this,t),this._canvas=e}add(e,t=0,i){if(!Number.isFinite(e)||e<0)throw TypeError("timestamp must be a non-negative number.");if(!Number.isFinite(t)||t<0)throw TypeError("duration must be a non-negative number.");let r=new rA.U2(this._canvas,{timestamp:e,duration:t});return this._encoder.add(r,!0,i)}_flushAndClose(e){return this._encoder.flushAndClose(e)}}class nG extends nW{get errorPromise(){return this._errorPromiseAccessed=!0,this._promiseWithResolvers.promise}get paused(){return this._paused}constructor(e,t,i={}){if(!(e instanceof MediaStreamTrack)||"video"!==e.kind)throw TypeError("track must be a video MediaStreamTrack.");if((0,nU.bf)(t),"object"!=typeof i||!i)throw TypeError("options must be an object.");if(null!=i.frameRate&&("number"!=typeof i.frameRate||i.frameRate<=0))throw TypeError("options.frameRate, when provided, must be either a positive number or null.");if(void 0!==i.timestampBase&&"synced-zero"!==i.timestampBase&&"zero"!==i.timestampBase&&"unix"!==i.timestampBase)throw TypeError("options.timestampBase, when provided, must be one of 'synced-zero', 'zero', or 'unix'.");super((t={...t,latencyMode:"realtime"}).codec),this._abortController=null,this._workerTrackId=null,this._workerListener=null,this._promiseWithResolvers=(0,B.nJ)(),this._errorPromiseAccessed=!1,this._paused=!1,this._lastVideoFrame=null,this._timerHandle=null,this._videoElement=null,this._options=i,this._encoder=new nH(this,t),this._track=e}async _start(){this._errorPromiseAccessed||E.y._warn("Make sure not to ignore the `errorPromise` field on MediaStreamVideoTrackSource, so that any internal errors get bubbled up properly.");let e=void 0!==this._options.frameRate?this._options.frameRate:this._track.getSettings().frameRate??null;this._abortController=new AbortController;let t=null,i=null,r=0,a=!1,s=null,n=0,o=()=>{if((0,B.vA)(null!==e),!this._lastVideoFrame)return;(0,B.vA)(null!==i),(0,B.vA)(null!==t);let a=performance.now();for(;a-i>1e3/e;){i+=1e3/e;let s=t+r/e;c(new VideoFrame(this._videoElement??this._lastVideoFrame,{timestamp:1e6*s,duration:1e6/e}),a)}};null!==e&&(this._timerHandle=(0,B.Bt)(o,4));let l=t=>{if(null===e)c(t);else{let e=performance.now();this._lastVideoFrame?(o(),this._lastVideoFrame?.close()):(c(t.clone(),e),i=e),this._lastVideoFrame=t}},c=(e,i=performance.now())=>{if(a)return void e.close();r++;let o=e.timestamp/1e6;if(this._paused){null!==t&&(null!==s&&"unix"!==this._options.timestampBase&&(n-=o-s),s=o),e.close();return}if(null===t){let e;t=o;let r=this._options.timestampBase??"synced-zero";if("unix"===r)e=Date.now()/1e3;else if("zero"===r)e=0;else{let t=this._connectedTrack.output;null===t._firstMediaStreamTimestamp?(t._firstMediaStreamTimestamp=i/1e3,e=0):e=i/1e3-t._firstMediaStreamTimestamp}n=e-t}if(s=o,this._encoder.getQueueSize()>=8)return void e.close();let l=new rA.U2(e,{timestamp:o+n});this._encoder.add(l,!0).catch(e=>{a=!0,this._abortController?.abort(),this._promiseWithResolvers.reject(e),null!==this._workerTrackId&&n7({type:"stopTrack",trackId:this._workerTrackId})})};if("u">typeof MediaStreamTrackProcessor){let e=new MediaStreamTrackProcessor({track:this._track}),t=new WritableStream({write:l});e.readable.pipeTo(t,{signal:this._abortController.signal}).catch(e=>{e instanceof DOMException&&"AbortError"===e.name||this._promiseWithResolvers.reject(e)})}else if(await n5())this._workerTrackId=n8++,n7({type:"videoTrack",trackId:this._workerTrackId,track:this._track}),this._workerListener=e=>{let t=e.data;"videoFrame"===t.type&&t.trackId===this._workerTrackId?l(t.videoFrame):"error"===t.type&&t.trackId===this._workerTrackId&&this._promiseWithResolvers.reject(t.error)},n4.addEventListener("message",this._workerListener);else if(null!==e){let e=document.createElement("video");

3e.style.position="fixed",e.style.left="-10000px",e.style.top="-10000px",e.style.width="1px",e.style.height="1px",e.style.opacity="0",e.style.pointerEvents="none",e.muted=!0,e.srcObject=new MediaStream([this._track]),document.body.appendChild(e),this._videoElement=e,e.addEventListener("loadeddata",()=>{if(a||!this._videoElement)return;let t=new VideoFrame(e,{timestamp:1e3*performance.now()});l(t),t.close()},{once:!0}),e.play().catch(e=>{a=!0,this._promiseWithResolvers.reject(e)})}else throw Error("When no explicit frame rate is set, MediaStreamTrackProcessor is required; but it's not supported by this browser.")}pause(){this._paused=!0}resume(){this._paused=!1}async _flushAndClose(e){this._abortController&&(this._abortController.abort(),this._abortController=null),this._timerHandle&&(0,B.Md)(this._timerHandle),this._lastVideoFrame?.close(),this._videoElement&&(this._videoElement.srcObject=null,this._videoElement.remove(),this._videoElement=null),null!==this._workerTrackId&&((0,B.vA)(this._workerListener),n7({type:"stopTrack",trackId:this._workerTrackId}),await new Promise(e=>{let t=i=>{let r=i.data;"trackStopped"===r.type&&r.trackId===this._workerTrackId&&((0,B.vA)(this._workerListener),n4.removeEventListener("message",this._workerListener),n4.removeEventListener("message",t),e())};n4.addEventListener("message",t)})),await this._encoder.flushAndClose(e)}}class nY extends nN{constructor(e){if(super(),this._connectedTrack=null,!O.PP.includes(e))throw TypeError(`Invalid audio codec '${e}'. Must be one of: ${O.PP.join(", ")}.`);this._codec=e}}class nZ extends nY{constructor(e){super(e)}add(e,t){if(!(e instanceof eO.Z))throw TypeError("packet must be an EncodedPacket.");if(e.isMetadataOnly)throw TypeError("Metadata-only packets cannot be added.");if(void 0!==t&&(!t||"object"!=typeof t))throw TypeError("meta, when provided, must be an object.");return this._ensureValidAdd(),this._connectedTrack.output._muxer.addEncodedAudioPacket(this._connectedTrack,e,t)}}class nJ{setError(e){this.errorSet||(this.error=e,this.errorSet=!0)}constructor(e,t){this.source=e,this.encodingConfig=t,this.ensureEncoderPromise=null,this.encoderInitialized=!1,this.encoder=null,this.muxer=null,this.lastNumberOfChannels=null,this.lastSampleRate=null,this.isPcmEncoder=!1,this.outputSampleSize=null,this.writeOutputValue=null,this.customEncoder=null,this.customEncoderCallSerializer=new B.dY,this.customEncoderQueueSize=0,this.lastEndSampleIndex=null,this.resampler=null,this.error=null,this.errorSet=!1,this.lastMuxerPromise=Promise.resolve(),this.closed=!1}async add(e,t){try{if(this.checkForEncoderError(),this.source._ensureValidAdd(),null!==this.lastNumberOfChannels&&null!==this.lastSampleRate){if(e.numberOfChannels!==this.lastNumberOfChannels||e.sampleRate!==this.lastSampleRate)throw Error(`Audio parameters must remain constant. Expected ${this.lastNumberOfChannels} channels at ${this.lastSampleRate} Hz, got ${e.numberOfChannels} channels at ${e.sampleRate} Hz.`)}else this.lastNumberOfChannels=e.numberOfChannels,this.lastSampleRate=e.sampleRate;let i=this.encodingConfig;i.transform?.numberOfChannels!==void 0||i.transform?.sampleRate!==void 0?(this.resampler||(this.resampler=new nz({targetNumberOfChannels:i.transform.numberOfChannels??e.numberOfChannels,targetSampleRate:i.transform.sampleRate??e.sampleRate,onSample:async e=>{await this.processAndEncode(e,!0)}})),await this.resampler.add(e)):await this.processAndEncode(e,t)}finally{t&&e.close()}}async processAndEncode(e,t){let i=this.encodingConfig;if(i.transform?.sampleFormat!==void 0&&(0,rA.kX)(e.format)!==i.transform.sampleFormat){let r=(0,rA.Cd)(e,i.transform.sampleFormat);t&&e.close(),e=r,t=!0}if(i.transform?.process)try{let t=i.transform.process(e);if(t instanceof Promise&&(t=await t),null===t)return;Array.isArray(t)||(t=[t]);try{for(let e of t)if(!(e instanceof rA.B1))throw TypeError("The audio process function must return an AudioSample, null, or an array of AudioSamples.");for(let e of t)await this.encodeSample(e,!0)}finally{for(let e of t)e instanceof rA.B1&&e.close()}}finally{t&&e.close()}else await this.encodeSample(e,t)}async encodeSample(e,t){try{if(!this.encoderInitialized&&(this.ensureEncoderPromise||this.ensureEncoder(e),this.encoderInitialized||await this.ensureEncoderPromise),(0,B.vA)(this.encoderInitialized),this.closed)return;

3{let t=Math.round(e.timestamp*e.sampleRate),i=Math.round((e.timestamp+e.duration)*e.sampleRate);if(null===this.lastEndSampleIndex)this.lastEndSampleIndex=i;else{let i=t-this.lastEndSampleIndex;if(i>=64){let t=new rA.B1({data:new Float32Array(i*e.numberOfChannels),format:"f32-planar",sampleRate:e.sampleRate,numberOfChannels:e.numberOfChannels,numberOfFrames:i,timestamp:this.lastEndSampleIndex/e.sampleRate});await this.encodeSample(t,!0)}this.lastEndSampleIndex+=e.numberOfFrames}}if(this.encodingConfig.onEncodedSample?.(e),this.customEncoder){this.customEncoderQueueSize++;let t=e.clone(),i=this.customEncoderCallSerializer.call(()=>this.customEncoder.encode(t)).catch(e=>this.setError(e)).finally(()=>{this.customEncoderQueueSize--,t.close()});this.customEncoderQueueSize>=4&&await i,await this.lastMuxerPromise}else if(this.isPcmEncoder)await this.doPcmEncoding(e,t);else{(0,B.vA)(this.encoder);let i=e.toAudioData();this.encoder.encode(i),i.close(),t&&e.close(),this.encoder.encodeQueueSize>=4&&await new Promise(e=>this.encoder.addEventListener("dequeue",e,{once:!0})),await this.lastMuxerPromise}}finally{t&&e.close()}}async doPcmEncoding(e,t){(0,B.vA)(this.outputSampleSize),(0,B.vA)(this.writeOutputValue);let{numberOfChannels:i,numberOfFrames:r,sampleRate:a,timestamp:s}=e,n=[];for(let t=0;t<r;t+=2048){let r=Math.min(2048,e.numberOfFrames-t),a=new DataView(new ArrayBuffer(r*i*this.outputSampleSize));n.push({frameCount:r,view:a})}let o=new Float32Array(e.allocationSize({planeIndex:0,format:"f32-planar"})/Float32Array.BYTES_PER_ELEMENT);for(let t=0;t<i;t++){e.copyTo(o,{planeIndex:t,format:"f32-planar"});for(let e=0;e<n.length;e++){let{frameCount:r,view:a}=n[e];for(let s=0;s<r;s++)this.writeOutputValue(a,(s*i+t)*this.outputSampleSize,o[2048*e+s])}}t&&e.close();let l={decoderConfig:{codec:this.encodingConfig.codec,numberOfChannels:i,sampleRate:a}};for(let e=0;e<n.length;e++){let{frameCount:t,view:i}=n[e],r=i.buffer,o=2048*e,c=new eO.Z(new Uint8Array(r),"key",s+o/a,t/a);this.encodingConfig.onEncodedPacket?.(c,l),await this.muxer.addEncodedAudioPacket(this.source._connectedTrack,c,l)}}ensureEncoder(e){this.ensureEncoderPromise=(async()=>{let{numberOfChannels:t,sampleRate:i}=e,r=(0,nU.WS)(this.encodingConfig.quality,this.encodingConfig.bitrate),a=(0,nU.XU)({numberOfChannels:t,sampleRate:i,...this.encodingConfig,quality:r});this.encodingConfig.onEncoderConfig?.(a);let s=rx.Lr.find(e=>e.supports(this.encodingConfig.codec,a));if(s)this.customEncoder=new s,this.customEncoder.codec=this.encodingConfig.codec,this.customEncoder.config=a,this.customEncoder.onPacket=(e,t)=>{if(!(e instanceof eO.Z))throw TypeError("The first argument passed to onPacket must be an EncodedPacket.");if(void 0!==t&&(!t||"object"!=typeof t))throw TypeError("The second argument passed to onPacket must be an object or undefined.");this.encodingConfig.onEncodedPacket?.(e,t),this.lastMuxerPromise=this.muxer.addEncodedAudioPacket(this.source._connectedTrack,e,t).catch(e=>{this.setError(e)})},this.customEncoder.onError=e=>{this.setError(e)},await this.customEncoder.init();else if(O.Wq.includes(this.encodingConfig.codec))this.initPcmEncoder();else{let e;if("u"<typeof AudioEncoder)throw Error("AudioEncoder is not supported by this browser.");try{e=(await AudioEncoder.isConfigSupported(a)).supported??!1}catch{e=!1}if(!e)throw Error(`This specific encoder configuration (${a.codec}, ${a.bitrate} bps, ${a.numberOfChannels} channels, ${a.sampleRate} Hz) is not supported by this browser. Consider using another codec or changing your audio parameters.`);let t=Error("Encoding error").stack;this.encoder=new AudioEncoder({output:(e,t)=>{if("aac"===this.encodingConfig.codec&&t?.decoderConfig&&(!t.decoderConfig.description||t.decoderConfig.description.byteLength<2||0===(0,z.zF)((0,B.Fo)(t.decoderConfig.description)).objectType)){let e=Number((0,B._g)(a.codec.split(".")));t.decoderConfig.description=(0,z.Wz)({objectType:e,numberOfChannels:t.decoderConfig.numberOfChannels,sampleRate:t.decoderConfig.sampleRate})}let i=eO.Z.fromEncodedChunk(e);i=i.clone({timestamp:(0,B.gl)(i.timestamp,a.sampleRate),duration:null!=e.duration?(0,B.gl)(i.duration,a.sampleRate):void 0}),this.encodingConfig.onEncodedPacket?.(i,t),this.lastMuxerPromise=this.muxer.addEncodedAudioPacket(this.source._connectedTrack,i,t).catch(e=>{this.setError(e)})},error:e=>{e.stack=t,this.setError(e)}}),this.encoder.configure(a)}(0,B.vA)(this.source._connectedTrack),this.muxer=this.source._connectedTrack.output._muxer,this.encoderInitialized=!0})()}initPcmEncoder(){this.isPcmEncoder=!0;let e=this.encodingConfig.codec,{dataType:t,sampleSize:i,littleEndian:r}=(0,O.Ei)(e);switch(this.outputSampleSize=i,i){case 1:"unsigned"===t?this.writeOutputValue=(e,t,i)=>e.setUint8(t,(0,B.qE)((i+1)*127.5,0,255)):"signed"===t?this.writeOutputValue=(e,t,i)=>{e.setInt8(t,(0,B.qE)(Math.round(128*i),-128,127))}:"ulaw"===t?this.writeOutputValue=(e,t,i)=>{let r=(0,B.qE)(Math.floor(32767*i),-32768,32767);e.setUint8(t,(e=>{let t=e,i=4096,r=0,a=12,s=0;for(t<0&&(t=-t,r=128),(t+=33)>8191&&(t=8191);(t&i)!==i&&a>=5;)i>>=1,a--;return s=t>>a-4&15,255&~(r|a-5<<4|s)})(r))}:"alaw"===t?this.writeOutputValue=(e,t,i)=>{let r=(0,B.qE)(Math.floor(32767*i),-32768,32767);e.setUint8(t,(e=>{let t=2048,i=0,r=11,a=0,s=e;for(s<0&&(s=-s,i=128),s>4095&&(s=4095);(s&t)!==t&&r>=5;)t>>=1,r--;return a=s>>(4===r?1:r-4)&15,(i|r-4<<4|a)^85})(r))}:(0,B.vA)(!1);break;case 2:"unsigned"===t?this.writeOutputValue=(e,t,i)=>e.setUint16(t,(0,B.qE)((i+1)*32767.5,0,65535),r):"signed"===t?this.writeOutputValue=(e,t,i)=>e.setInt16(t,(0,B.qE)(Math.round(32767*i),-32768,32767),r):(0,B.vA)(!1);break;case 3:"unsigned"===t?this.writeOutputValue=(e,t,i)=>(0,B.jD)(e,t,(0,B.qE)((i+1)*8388607.5,0,0xffffff),r):"signed"===t?this.writeOutputValue=(e,t,i)=>(0,B.iP)(e,t,(0,B.qE)(Math.round(8388607*i),-8388608,8388607),r):(0,B.vA)(!1);break;case 4:"unsigned"===t?this.writeOutputValue=(e,t,i)=>e.setUint32(t,(0,B.qE)((i+1)*2147483647.5,0,0xffffffff),r):"signed"===t?this.writeOutputValue=(e,t,i)=>e.setInt32(t,(0,B.qE)(Math.round(0x7fffffff*i),-0x80000000,0x7fffffff),r):"float"===t?this.writeOutputValue=(e,t,i)=>e.setFloat32(t,i,r):(0,B.vA)(!1);break;case 8:"float"===t?this.writeOutputValue=(e,t,i)=>e.setFloat64(t,i,r):(0,B.vA)(!1);break;default:(0,B.xb)(i),(0,B.vA)(!1)}}async flushAndClose(e){try{!e&&(this.checkForEncoderError(),this.resampler&&await this.resampler.finalize()),this.closed=!0,!e&&(this.customEncoder?this.customEncoderCallSerializer.call(()=>this.customEncoder.flush()):this.encoder&&await this.encoder.flush())}finally{this.closed=!0,this.resampler=null,this.customEncoder?await this.customEncoderCallSerializer.call(()=>this.customEncoder.close()).catch(e=>this.setError(e)):this.encoder&&"closed"!==this.encoder.state&&this.encoder.close()}e||this.checkForEncoderError()}getQueueSize(){return this.customEncoder?this.customEncoderQueueSize:this.isPcmEncoder?0:this.encoder?.encodeQueueSize??0}checkForEncoderError(){if(this.errorSet)throw this.error}}class n0 extends nY{constructor(e){(0,nU.Kk)(e),super(e.codec),this._encoder=new nJ(this,e)}add(e){if(!(e instanceof rA.B1))throw TypeError("audioSample must be an AudioSample.");return this._encoder.add(e,!1)}_flushAndClose(e){return this._encoder.flushAndClose(e)}}class n1 extends nY{constructor(e){(0,nU.Kk)(e),super(e.codec),this._accumulatedTime=0,this._encoder=new nJ(this,e)}async add(e){if(!(e instanceof AudioBuffer))throw TypeError("audioBuffer must be an AudioBuffer.");let t=rA.B1._fromAudioBuffer(e,this._accumulatedTime);for(let i of(this._accumulatedTime+=e.duration,t))await this._encoder.add(i,

3!0)}_flushAndClose(e){return this._encoder.flushAndClose(e)}}class n2 extends nY{get errorPromise(){return this._errorPromiseAccessed=!0,this._promiseWithResolvers.promise}get paused(){return this._paused}constructor(e,t,i={}){if(!(e instanceof MediaStreamTrack)||"audio"!==e.kind)throw TypeError("track must be an audio MediaStreamTrack.");if((0,nU.Kk)(t),"object"!=typeof i||!i)throw TypeError("options must be an object.");if(void 0!==i.timestampBase&&"synced-zero"!==i.timestampBase&&"zero"!==i.timestampBase&&"unix"!==i.timestampBase)throw TypeError("options.timestampBase, when provided, must be one of 'synced-zero', 'zero', or 'unix'.");super(t.codec),this._abortController=null,this._audioContext=null,this._scriptProcessorNode=null,this._promiseWithResolvers=(0,B.nJ)(),this._errorPromiseAccessed=!1,this._paused=!1,this._options=i,this._encoder=new nJ(this,t),this._track=e}async _start(){this._errorPromiseAccessed||E.y._warn("Make sure not to ignore the `errorPromise` field on MediaStreamAudioTrackSource, so that any internal errors get bubbled up properly."),this._abortController=new AbortController;let e=null,t=!1,i=null,r=0,a=a=>{if(t)return void a.close();let s=a.timestamp;if(this._paused){null!==e&&(null!==i&&"unix"!==this._options.timestampBase&&(r-=s-i),i=s),a.close();return}if(null===e){let t;e=a.timestamp;let i=this._options.timestampBase??"synced-zero";if("unix"===i)t=Date.now()/1e3;else if("zero"===i)t=0;else{let e=this._connectedTrack.output;null===e._firstMediaStreamTimestamp?(e._firstMediaStreamTimestamp=performance.now()/1e3,t=0):t=performance.now()/1e3-e._firstMediaStreamTimestamp}r=t-e}(i=s,this._encoder.getQueueSize()>=8)?a.close():(a.setTimestamp(s+r),this._encoder.add(a,!0).catch(e=>{t=!0,this._abortController?.abort(),this._promiseWithResolvers.reject(e),this._audioContext?.suspend()}))};if("u">typeof MediaStreamTrackProcessor){let e=new MediaStreamTrackProcessor({track:this._track}),t=new WritableStream({write:e=>a(new rA.B1(e))});e.readable.pipeTo(t,{signal:this._abortController.signal}).catch(e=>{e instanceof DOMException&&"AbortError"===e.name||this._promiseWithResolvers.reject(e)})}else{let e=window.AudioContext||window.webkitAudioContext;this._audioContext=new e({sampleRate:this._track.getSettings().sampleRate});let t=this._audioContext.createMediaStreamSource(new MediaStream([this._track]));this._scriptProcessorNode=this._audioContext.createScriptProcessor(4096),"suspended"===this._audioContext.state&&await this._audioContext.resume(),t.connect(this._scriptProcessorNode),this._scriptProcessorNode.connect(this._audioContext.destination);let i=0;this._scriptProcessorNode.onaudioprocess=e=>{let t=rA.B1._fromAudioBuffer(e.inputBuffer,i);for(let r of(i+=e.inputBuffer.duration,t))a(r)}}}pause(){this._paused=!0}resume(){this._paused=!1}async _flushAndClose(e){this._abortController&&(this._abortController.abort(),this._abortController=null),this._audioContext&&((0,B.vA)(this._scriptProcessorNode),this._scriptProcessorNode.disconnect(),await this._audioContext.suspend()),await this._encoder.flushAndClose(e)}}let n3=()=>{let e=(e,t)=>{t?self.postMessage(e,{transfer:t}):self.postMessage(e)};e({type:"support",supported:"u">typeof MediaStreamTrackProcessor});let t=new Map,i=new Map;self.addEventListener("message",r=>{let a=r.data;switch(a.type){case"videoTrack":{i.set(a.trackId,a.track);let r=new MediaStreamTrackProcessor({track:a.track}),s=new WritableStream({write:t=>{i.has(a.trackId)?e({type:"videoFrame",trackId:a.trackId,videoFrame:t},[t]):t.close()}}),n=new AbortController;t.set(a.trackId,n),r.readable.pipeTo(s,{signal:n.signal}).catch(t=>{t instanceof DOMException&&"AbortError"===t.name||e({type:"error",trackId:a.trackId,error:t})})}break;case"stopTrack":{let r=t.get(a.trackId);r&&(r.abort(),t.delete(a.trackId));let s=i.get(a.trackId);s?.stop(),i.delete(a.trackId),e({type:"trackStopped",trackId:a.trackId})}break;default:(0,B.xb)(a)}})},n8=0,n4=null,n6=null,n5=async()=>{let e;return null!==n6?n6:(n4||(e=new Blob([`(${n3.toString()})()`],{type:"application/javascript"}),n4=new Worker(URL.createObjectURL(e))),new Promise(e=>{(0,B.vA)(n4);let t=i=>{let r=i.data;

3"support"===r.type&&(n6=r.supported,n4.removeEventListener("message",t),e(r.supported))};n4.addEventListener("message",t)}))},n7=(e,t)=>{(0,B.vA)(n4),t?n4.postMessage(e,t):n4.postMessage(e)};class n9 extends nN{constructor(e){if(super(),this._connectedTrack=null,!O.VW.includes(e))throw TypeError(`Invalid subtitle codec '${e}'. Must be one of: ${O.VW.join(", ")}.`);this._codec=e}}class oe extends n9{constructor(e){super(e),this._error=null,this._errorSet=!1,this._lastMuxerPromise=Promise.resolve(),this._parser=new aL({codec:e,output:(e,t)=>{this._lastMuxerPromise=this._connectedTrack.output._muxer.addSubtitleCue(this._connectedTrack,e,t).catch(e=>{this._setError(e)})}})}add(e){if("string"!=typeof e)throw TypeError("text must be a string.");return this._checkForError(),this._ensureValidAdd(),this._parser.parse(e),this._lastMuxerPromise}_setError(e){this._errorSet||(this._error=e,this._errorSet=!0)}_checkForError(){if(this._errorSet)throw this._error}async _flushAndClose(e){e||this._checkForError()}}class ot extends aF{constructor(e,t){if(!(e._target instanceof ng))throw TypeError("HLS outputs require `OutputOptions.target` to be a PathedTarget.");super(e),this.trackDatas=[],this.isRelativeToUnixEpoch=!1,this.numWrittenMasterPlaylists=0,this.playlists=[],this.playlistDeclarations=[],this.format=t,this.targetSegmentDuration=t._options.targetDuration??2,this.singleFilePerPlaylist=t._options.singleFilePerPlaylist??!1,this.isLive=t._options.live??!1,this.maxLiveSegmentCount=t._options.maxLiveSegmentCount??1/0,this.globalTargetDuration=this.targetSegmentDuration,this.getPlaylistPath=t._options.getPlaylistPath??(({n:e})=>`playlist-${e}.m3u8`),this.getSegmentPath=t._options.getSegmentPath??(e=>e.isSingleFile?`segments-${e.playlist.n}${e.format.fileExtension}`:`segment-${e.playlist.n}-${e.n}${e.format.fileExtension}`),this.getInitPath=t._options.getInitPath??(e=>`init-${e.n}${e.segmentFormat.fileExtension}`)}async start(){let e=await this.mutex.acquire(),t=this.output.tracks.some(e=>e.metadata.isRelativeToUnixEpoch),i=this.output.tracks.some(e=>!e.metadata.isRelativeToUnixEpoch);if(t&&i)throw Error("All tracks must agree on `relativeToUnixEpoch`: some tracks are relative to the Unix epoch and some are not.");this.isRelativeToUnixEpoch=t;let r=new Map,a=[],s=!1,n=!1,o=!1;for(let e of this.output.tracks){"video"===e.type&&(s=!0);let t=new Map;for(let i of this.output.tracks){if(e===i||!e.canBePairedWith(i))continue;if(e.type===i.type){n||(E.y._warn(`Illegal pairing of two ${e.type} tracks detected, which is not possible in HLS; treating them as unpaired.`),n=!0);continue}if(e.isVideoTrack()&&e.metadata.hasOnlyKeyPackets||i.isVideoTrack()&&i.metadata.hasOnlyKeyPackets){o||(E.y._warn("A key-packets-only video track is pairable with another track, which is not possible in HLS; treating them as unpaired."),o=!0);continue}let r=t.get(i.source._codec);r||t.set(i.source._codec,r=[]),r.push(i)}for(let[,i]of t){let t=i.map(e=>e.id).join("-");a.find(e=>e.key===t)||a.push({name:i[0].type+"-"+(a.length+1),key:t,tracks:i,needsEmit:!1,firstNoUri:!1});let s=r.get(e);s||r.set(e,s=[]),s.push(t)}}let l=s?"video":"audio",c=[],u=[],d=[];for(let e of this.output.tracks){let t=r.get(e);if(t){if((0,B.vA)(t.length>0),e.type!==l)continue;for(let i of t){let s=a.find(e=>e.key===i);if((0,B.vA)(s),1===t.length&&1===s.tracks.length){let t=r.get(s.tracks[0]);if((0,B.vA)(void 0!==t),1===t.length){let i=a.find(e=>e.key===t[0]);if(1===i.tracks.length){(0,B.vA)(i.tracks[0]===e),c.push({tracks:[e,s.tracks[0]],linkedGroup:null});continue}}}c.push({tracks:[e],linkedGroup:s}),s.needsEmit=!0}}else"video"===e.type?u.push(e):"audio"===e.type&&d.push(e)}let h=({metadata:e})=>{let t="";return t+`${e.languageCode??B.IR}-${e.name??""}-${e.disposition?.default??!0}-${e.disposition?.primary??!1}-${e.disposition?.forced??!1}-`};if(u.length>0)if(new Set(u.map(h)).size>1){let e={key:u.map(e=>e.id).join("-"),name:"video-"+(a.length+1),tracks:u,needsEmit:!0,firstNoUri:!0};a.push(e),c.push({tracks:[u[0]],linkedGroup:e})}else for(let e of u)c.push({tracks:[e],linkedGroup:null});if(d.length>0)if(new Set(d.map(h)).size>1){let e={key:d.map(e=>e.id).join("-"),name:"audio-"+(a.length+1),tracks:d,needsEmit:!0,firstNoUri:!0};a.push(e),c.push({tracks:[d[0]],linkedGroup:e})}else for(let e of d)c.push({tracks:[e],linkedGroup:null});let m=e=>{let t=[],i=0,r=0,a=!1,s=null,n=-1/0;for(let s of e)s.isVideoTrack()?(i++,a||=(s.metadata.rotation??0)!==0):s.isAudioTrack()&&r++,t.push(s.source._codec);for(let e of(0,B.$r)(this.format._options.segmentFormat)){let o=e.getSupp

3ortedCodecs(),l=e.getSupportedTrackCounts();if(t.some(e=>!o.includes(e))||i<l.video.min||i>l.video.max||r<l.audio.min||r>l.audio.max)continue;let c=0;a&&e.supportsVideoRotationMetadata&&c++,c>n&&(s=e,n=c)}return(0,B.vA)(s),s},f=async e=>{if(e.some(e=>this.playlists.some(t=>t.tracks.includes(e))))throw Error("Internal error: track is already registered in a playlist.");let t=m(e),i=this.playlists.length+1,r=await this.getPlaylistPath({n:i,tracks:e,segmentFormat:t});oi(r);let a={id:this.playlists.length+1,path:r,tracks:e,segmentFormat:t,currentSegmentStartTimestamp:null,currentSegmentStartTimestampIsFixed:!1,nextSegmentId:1,initSegment:null,writtenSegments:[],peakBitrate:null,averageBitrate:null,mediaSequence:0,done:!1,singleFile:null,mutex:new B.aD};return this.playlists.push(a),a};for(let e of a)if(e.needsEmit)for(let t=0;t<e.tracks.length;t++){let i=e.tracks[t],r=this.playlists.find(e=>e.tracks[0].id===i.id);r??=await f([i]),this.playlistDeclarations.push({playlist:r,groupId:e.name,noUri:e.firstNoUri&&0===t,references:[]})}for(let e of c){let t=this.playlists.find(t=>t.tracks[0].id===e.tracks[0].id);t??=await f(e.tracks),this.playlistDeclarations.push({playlist:t,groupId:null,noUri:!1,references:e.linkedGroup?this.playlistDeclarations.filter(t=>t.groupId===e.linkedGroup.name):[]})}for(let e of this.output.tracks)e.isVideoTrack()&&e.metadata.decoderConfig?this.getVideoTrackData(e,e.metadata.primingPacket??null,{decoderConfig:e.metadata.decoderConfig}):e.isAudioTrack()&&e.metadata.decoderConfig&&this.getAudioTrackData(e,e.metadata.primingPacket??null,{decoderConfig:e.metadata.decoderConfig});e()}async getMimeType(){return ih}allTracksAreKnown(e){for(let t of e.tracks)if(!t.source._closed&&!this.trackDatas.some(e=>e.track===t))return!1;return!0}async onTrackClose(e){let t=this.trackDatas.find(t=>t.track===e);t&&(t.closed=!0);let i=this.playlists.find(t=>t.tracks.includes(e));(0,B.vA)(i);let r=await i.mutex.acquire();try{await this.advancePlaylist(i)}finally{r()}}getVideoTrackData(e,t,i){let r=this.trackDatas.find(t=>t.track===e);if(r)return r;(0,O.aF)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i?.decoderConfig);let a=this.playlists.filter(t=>t.tracks.includes(e));return(0,B.vA)(1===a.length),r={track:e,packets:[],playlist:a[0],closed:!1,info:{type:"video",decoderConfig:i.decoderConfig,primingPacket:t}},this.trackDatas.push(r),r}getAudioTrackData(e,t,i){let r=this.trackDatas.find(t=>t.track===e);if(r)return r;(0,O.P7)(i,e.source._codec),(0,B.vA)(i),(0,B.vA)(i?.decoderConfig);let a=this.playlists.filter(t=>t.tracks.includes(e));return(0,B.vA)(1===a.length),r={track:e,packets:[],playlist:a[0],closed:!1,info:{type:"audio",decoderConfig:i.decoderConfig,primingPacket:t}},this.trackDatas.push(r),r}async addEncodedVideoPacket(e,t,i){let r=this.getVideoTrackData(e,t,i),a=r.playlist,s=await a.mutex.acquire();try{this.validateTimestamp(e,t.timestamp,"key"===t.type),r.packets.push(t),null===a.currentSegmentStartTimestamp?a.currentSegmentStartTimestamp=t.timestamp:a.currentSegmentStartTimestampIsFixed||(a.currentSegmentStartTimestamp=Math.min(a.currentSegmentStartTimestamp,t.timestamp)),await this.advancePlaylist(a)}finally{s()}}async addEncodedAudioPacket(e,t,i){let r=this.getAudioTrackData(e,t,i),a=r.playlist,s=await a.mutex.acquire();try{this.validateTimestamp(e,t.timestamp,"key"===t.type),r.packets.push(t),null===a.currentSegmentStartTimestamp?a.currentSegmentStartTimestamp=t.timestamp:a.currentSegmentStartTimestampIsFixed||(a.currentSegmentStartTimestamp=Math.min(a.currentSegmentStartTimestamp,t.timestamp)),await this.advancePlaylist(a)}finally{s()}}async addSubtitleCue(e,t,i){throw Error("Unreachable.")}async advancePlaylist(e){if((0,B.vA)(!e.done),!this.allTracksAreKnown(e))return;let t=this.trackDatas.filter(t=>e.tracks.includes(t.track));if(null===e.currentSegmentStartTimestamp){t.every(e=>e.closed)&&await this.onPlaylistDone(e);return}let i=t.find(e=>"video"===e.info.type),r=t.find(e=>"audio"===e.info.type);for(;;){let a,s,n=e.currentSegmentStartTimestamp+this.targetSegmentDuration,o=0,l=0;if(i&&(!i.closed||i.packets.length>0)){let e=i.packets.every(e=>e.timestamp<n),t=null,a=null;if(e){if(!i.closed)return}else for(let e=0;e<i.packets.length;e++){let r=i.packets[e];if(null!==t&&r.timestamp>n)break;e>0&&"key"===r.type&&(t=r,a=e)}if(null!==a){if(o=a,r){let e=r.packets.findIndex(e=>e.timestamp>=t.timestamp);

3if(-1!==e)l=e;else{if(!r.closed)return;l=r.packets.length}}}else{if(!i.closed)return;o=i.packets.length;let e=(0,B.am)(i.packets,e=>e.timestamp),t=i.packets[e];if((0,B.vA)(t),r)if(t.timestamp<n){let e=r.packets.findIndex(e=>e.timestamp>=n);if(-1!==e)l=e;else{if(!r.closed)return;l=r.packets.length}}else{let e=r.packets.findIndex(e=>e.timestamp>t.timestamp);if(-1!==e)l=e;else{if(!r.closed)return;l=r.packets.length}}}}else if(r&&(!r.closed||r.packets.length>0))if(r.packets.every(e=>e.timestamp<n))if(!r.closed)return;else l=r.packets.length;else l=Math.max((0,B.Kl)(r.packets,e=>e.timestamp<=n),1);if(0===o&&0===l){t.every(e=>e.closed)&&await this.onPlaylistDone(e);return}let c=null;(0,B.vA)(this.output._target instanceof ng);let u=this.output._target;if(this.singleFilePerPlaylist)if(null===e.singleFile){let t={n:e.nextSegmentId,format:e.segmentFormat,isSingleFile:!0,playlist:os(e)};or(a=await this.getSegmentPath(t)),s=(0,B.HS)((0,B.HS)(u.rootPath,e.path),a);let n=await this.output._getTarget({path:s,isRoot:!1,mimeType:e.segmentFormat.mimeType}),o=null;if(e.segmentFormat._isFragmentedIsobmff()){o={output:new oC({format:e.segmentFormat,target:n}),videoSource:null,audioSource:null,firstMoofPosition:null,currentFileSize:0},n.on("write",({end:e})=>{o.currentFileSize=Math.max(o.currentFileSize,e)});let t=o.output._muxer;t.minimumFragmentDuration=1/0;let a=t.formatOptions.onMoof;t.formatOptions.onMoof=(e,i,r)=>{o.firstMoofPosition=i,a?.(e,i,r),t.formatOptions.onMoof=a},i&&(o.videoSource=new nq(i.track.source._codec),o.output.addVideoTrack(o.videoSource,{...i.track.metadata,decoderConfig:i.info.decoderConfig,primingPacket:i.info.primingPacket??void 0})),r&&(o.audioSource=new nZ(r.track.source._codec),o.output.addAudioTrack(o.audioSource,{...r.track.metadata,decoderConfig:r.info.decoderConfig,primingPacket:r.info.primingPacket??void 0})),await o.output.start()}else n._start();e.singleFile={target:n,path:a,nextOffset:0,info:t,fragmentedIsobmffOutput:o}}else a=e.singleFile.path,s=(0,B.HS)((0,B.HS)(u.rootPath,e.path),a);else c={n:e.nextSegmentId,format:e.segmentFormat,isSingleFile:!1,playlist:os(e)}

3,or(a=await this.getSegmentPath(c)),s=(0,B.HS)((0,B.HS)(u.rootPath,e.path),a),e.nextSegmentId++;let d=0,h=null,m=-1/0,f=null,p=null,g=null;try{if(e.singleFile?.fragmentedIsobmffOutput?(f=e.singleFile.fragmentedIsobmffOutput.output,p=e.singleFile.fragmentedIsobmffOutput.videoSource,g=e.singleFile.fragmentedIsobmffOutput.audioSource):(f=new oC({format:e.segmentFormat,target:new ng(s,async t=>{let i={...t,isRoot:!1};if(t.isRoot)if(e.singleFile){let t=e.singleFile.target.slice(e.singleFile.nextOffset);return t.on("write",({end:e})=>d=Math.max(d,e)),t}else{let e=await this.output._getTarget(i);return h=e,e.on("write",({end:e})=>d=Math.max(d,e)),e}return this.output._getTarget(i)}),initTarget:async()=>{if(e.initSegment)return new nf;if(e.singleFile){e.initSegment={path:e.singleFile.path,duration:0,timestamp:0,byteSize:0,byteOffset:0,info:null};let t=e.singleFile.target.slice(e.singleFile.nextOffset);return t.on("write",({end:t})=>{e.initSegment.byteSize=Math.max(e.initSegment.byteSize,t)}),t.on("finalized",()=>{e.singleFile.nextOffset=e.initSegment.byteSize}),t}{let t=os(e),i=await this.getInitPath(t);oa(i),e.initSegment={path:i,duration:0,timestamp:0,byteSize:0,byteOffset:null,info:null};let r=(0,B.HS)((0,B.HS)(u.rootPath,e.path),i),a=await this.output._getTarget({path:r,isRoot:!1,mimeType:e.segmentFormat.mimeType});return a.on("write",({end:t})=>{e.initSegment.byteSize=Math.max(e.initSegment.byteSize,t)}),a.on("finalized",()=>{this.format._options.onInit?.(a,t)}),a}}}),i&&(p=new nq(i.track.source._codec),f.addVideoTrack(p,{...i.track.metadata,decoderConfig:i.info.decoderConfig,primingPacket:i.info.primingPacket??void 0})),r&&(g=new nZ(r.track.source._codec),f.addAudioTrack(g,{...r.track.metadata,decoderConfig:r.info.decoderConfig,primingPacket:r.info.primingPacket??void 0})),await f.start()),i){(0,B.vA)(p);let e={decoderConfig:i.info.decoderConfig};for(let t=0;t<o;t++){let r=i.packets[t];await p.add(r,e),m=Math.max(m,r.timestamp+r.duration)}}if(r){(0,B.vA)(g);let e={decoderConfig:r.info.decoderConfig};for(let t=0;t<l;t++){let i=r.packets[t];await g.add(i,e),m=Math.max(m,i.timestamp+i.duration)}}if(e.singleFile?.fragmentedIsobmffOutput){let t=e.singleFile.fragmentedIsobmffOutput.output._muxer;await t.forceFragmentFinalization(),null===e.singleFile.fragmentedIsobmffOutput.firstMoofPosition||e.initSegment||(e.initSegment={path:e.singleFile.path,duration:0,timestamp:0,byteSize:e.singleFile.fragmentedIsobmffOutput.firstMoofPosition,byteOffset:0,info:null},e.singleFile.nextOffset=e.singleFile.fragmentedIsobmffOutput.firstMoofPosition),d=e.singleFile.fragmentedIsobmffOutput.currentFileSize-e.singleFile.nextOffset}else await f.finalize()}catch(e){throw await f?.cancel(),e}c&&((0,B.vA)(h),this.format._options.onSegment?.(h,c)),o>0&&((0,B.vA)(i),i.packets.splice(0,o)),l>0&&((0,B.vA)(r),r.packets.splice(0,l));let k=1/0;i&&i.packets.length>0&&(k=i.packets[0].timestamp),r&&r.packets.length>0&&(k=Math.min(k,r.packets[0].timestamp));let y=k<1/0?k:m;(0,B.vA)(Number.isFinite(y));let w=y-e.currentSegmentStartTimestamp;if((0,B.vA)(w>=0),e.writtenSegments.push({path:a,duration:w,timestamp:e.currentSegmentStartTimestamp,byteSize:d,byteOffset:e.singleFile?e.singleFile.nextOffset:null,info:c??null}),this.globalTargetDuration=Math.max(this.globalTargetDuration,w),e.currentSegmentStartTimestamp=y,e.currentSegmentStartTimestampIsFixed=!0,e.singleFile&&(e.singleFile.nextOffset+=d),this.isLive){for(;e.writtenSegments.length>this.maxLiveSegmentCount;){let t=e.writtenSegments.shift();e.mediaSequence++,this.singleFilePerPlaylist||((0,B.vA)(t.info),this.format._options.onSegmentPopped?.(t.path,t.info))}await this.writePlaylist(e),await this.tryWriteMasterPlaylist()}}}async onPlaylistDone(e){(0,B.vA)(!e.done),e.done=!0,e.singleFile&&(e.singleFile.fragmentedIsobmffOutput?await e.singleFile.fragmentedIsobmffOutput.output.finalize():(await e.singleFile.target._flush(),await e.singleFile.target._finalize()),this.format._options.onSegment?.(e.singleFile.target,e.singleFile.info)),await this.writePlaylist(e),this.isLive&&0===e.writtenSegments.length&&await this.tryWriteMasterPlaylist()}updatePlaylistBitrates(e){let t=e.writtenSegments,i=0,r=0,a=0;for(let e=0;e<t.length;e++){a+=t[e].duration;let r=0,s=0;for(let a=e;a<t.length&&(r+=t[a].byteSize,(s+=t[a].duration)>=.5*this.globalTargetDuration&&s<=1.5*this.globalTargetDuration&&(i=Math.max(i,8*r/s)),!(s>1.5*this.globalTargetDuration));a++);}if(0===i)for(let e of t){let t=e.duration||1;i=Math.max(i,8*e.byteSize/t)}for(let e of t)r+=8*e.byteSize;e.peakBitrate=i,e.averageBitrate=r/(a||1)}async writePlaylist(e){(0,B.vA)(this.output._target instanceof ng);let t=this.output._target;this.updatePlaylistBitrates(e);let i=!1;for(let t of e.writtenSegments)i||=null!==t.byteOffset;let r=e.tracks[0].isVideoTrack()&&e.tracks[0].metadata.hasOnlyKeyPackets,a=3;(r||i)&&(a=4),e.initSegment&&(a=5),e.initSegment&&!r&&(a=6);let s=this.isLive?this.targetSegmentDuration:this.globalTargetDuration,n=(0,B.HS)(t.rootPath,e.path),o=`#EXTM3U
4#EXT-X-VERSION:${a}
5`+(this.isLive?"":"#EXT-X-PLAYLIST-TYPE:VOD\n")+`#EXT-X-TARGETDURATION:${Math.ceil(s)}
6`+(Number.isFinite(this.maxLiveSegmentCount)?`#EXT-X-MEDIA-SEQUENCE:${e.mediaSequence}
7`:"")+"#EXT-X-INDEPENDENT-SEGMENTS\n"+(r?"#EXT-X-I-FRAMES-ONLY\n":"")+(e.initSegment?`#EXT-X-MAP:URI="${e.initSegment.path}

7"`+(null!==e.initSegment.byteOffset?`,BYTERANGE="${e.initSegment.byteSize}@${e.initSegment.byteOffset}"`:"")+"\n":"")+"\n"+e.writtenSegments.map(e=>`#EXTINF:${+e.duration.toFixed(12)},
8`+(this.isRelativeToUnixEpoch?`#EXT-X-PROGRAM-DATE-TIME:${new Date(1e3*e.timestamp).toISOString()}
9`:"")+(null!==e.byteOffset?`#EXT-X-BYTERANGE:${e.byteSize}@${e.byteOffset}
10`:"")+`${e.path}
11`).join("")+(e.done?(e.writtenSegments.length>0?"\n":"")+"#EXT-X-ENDLIST\n":"");this.format._options.onPlaylist?.(o,os(e));let l=new no(await this.output._getTarget({path:n,isRoot:!1,mimeType:ih}),!0);l.start(),l.write(B.UG.encode(o)),await l.flush(),await l.finalize()}async writeMasterPlaylist(){(0,B.vA)(this.output._target instanceof ng);let e=this.output._target,t="#EXTM3U\n",i=!1,r=null,a=0,s=!1;for(let e of this.playlistDeclarations)if(null===e.groupId){let r=e.playlist.tracks[0].isVideoTrack()&&e.playlist.tracks[0].metadata.hasOnlyKeyPackets,a=[];for(let t of e.playlist.tracks){let e=this.trackDatas.find(e=>e.track===t),i=e?.info.decoderConfig.codec??t.source._codec;a.push(i)}let s=0,n=0;if(e.references.length>0){let t=e.references[0].playlist.tracks[0],i=this.trackDatas.find(e=>e.track===t),r=i?.info.decoderConfig.codec??t.source._codec;for(let t of(a.push(r),e.references))(0,B.vA)(null!==t.playlist.peakBitrate),s=Math.max(s,t.playlist.peakBitrate),n=Math.max(n,t.playlist.averageBitrate??0)}(0,B.vA)(null!==e.playlist.peakBitrate);let o=e.playlist.peakBitrate+s,l=(e.playlist.averageBitrate??0)+n;i||(t+="\n",i=!0),r?t+="#EXT-X-I-FRAME-STREAM-INF:":t+="#EXT-X-STREAM-INF:",t+=`BANDWIDTH=${Math.ceil(o)}`,l>0&&(t+=`,AVERAGE-BANDWIDTH=${Math.ceil(l)}`),t+=`,CODECS="${a.join(",")}"`;let c=e.playlist.tracks.find(e=>e.isVideoTrack());if(c?.isVideoTrack()){let e=this.trackDatas.find(e=>e.track===c),i=e?.info.decoderConfig;if(i){let e=i.displayAspectWidth??i.codedWidth,r=i.displayAspectHeight??i.codedHeight;void 0!==e&&void 0!==r&&(void 0!==c.metadata.rotation&&c.metadata.rotation%180==90&&([e,r]=[r,e]),t+=`,RESOLUTION=${e}x${r}`)}r||void 0===c.metadata.frameRate||(t+=`,FRAME-RATE=${+c.metadata.frameRate.toFixed(3)}`)}if(!r){let i=new Map;for(let t of e.references){(0,B.vA)(null!==t.groupId);let e=t.playlist.tracks[0].type;i.set(e,t.groupId)}for(let[e,r]of i)t+=`,${e.toUpperCase()}="${r}"`}r?t+=`,URI="${e.playlist.path}"
12`:t+=`
13${e.playlist.path}
14`}else{(0,B.vA)(1===e.playlist.tracks.length);let i=e.playlist.tracks[0],n=i.type,o=i.metadata.name??null,l=i.metadata.languageCode,c=i.metadata.disposition;(null===r||e.groupId!==r)&&(a=0,t+="\n",s=!1),r=e.groupId,a++,t+=`#EXT-X-MEDIA:TYPE=${n.toUpperCase()},GROUP-ID="${e.groupId}"`,null!==o&&/[\n\r"]/.test(o)&&(E.y._warn("Dropping track name since it includes a line feed, carriage return, or double quote character, which are not allowed in HLS playlist attributes."),o=null),o??=`${l??e.groupId}-${a}`,t+=`,NAME="${o}"`,void 0!==l&&(t+=`,LANGUAGE="${l}"`);let u=c?.primary??!1,d=c?.default??!0;if(u&&!s&&(t+=",DEFAULT=YES",s=!0),(u||d)&&(t+=",AUTOSELECT=YES"),c?.forced&&(t+=",FORCED=YES"),"audio"===n){let e=this.trackDatas.find(e=>e.track===i),r=e?.info.decoderConfig;r&&(t+=`,CHANNELS="${r.numberOfChannels}"`)}e.noUri||(t+=`,URI="${e.playlist.path}"`),t+="\n"}this.format._options.onMaster?.(t);let n=await this.mutex.acquire();try{let i;if(0===this.numWrittenMasterPlaylists)i=await this.output._getRootWriter(!0);else{let t=await this.output._getTarget({path:e.rootPath,isRoot:!0,mimeType:ih});(i=new no(t,!0)).start()}i.write(B.UG.encode(t)),await i.flush(),await i.finalize(),this.numWrittenMasterPlaylists++}finally{n()}}async tryWriteMasterPlaylist(){for(let e of((0,B.vA)(this.isLive),this.playlists))if(0===e.writtenSegments.length&&!e.done)return;await this.writeMasterPlaylist()}async finalize(){for(let e of((await Promise.all(this.playlists.map(e=>e.mutex.acquire()))).forEach(e=>e()),this.trackDatas))e.closed=!0;await Promise.all(this.playlists.map(e=>e.done?Promise.resolve():this.advancePlaylist(e))),this.isLive||await this.writeMasterPlaylist()}}let oi=e=>{if("string"!=typeof e)throw TypeError("options.getPlaylistPath must return or resolve to a string");if(/[\n\r"]/.test(e))throw TypeError("Playlist paths cannot contain line feed, carriage return, or double quote characters.")},or=e=>{if("string"!=typeof e)throw TypeError("options.getSegmentPath must return or resolve to a string");if(/[\n\r"]/.test(e))throw TypeError("Segment paths cannot contain line feed or carriage return characters.")},oa=e=>{if("string"!=typeof e)throw TypeError("options.getInitPath must return or resolve to a string");if(/[\n\r"]/.test(e))throw TypeError("Init paths cannot contain line feed, carriage return, or double quote characters.")},os=e=>({n:e.id,tracks:e.tracks,segmentFormat:e.segmentFormat});

14class on{getSupportedVideoCodecs(){return this.getSupportedCodecs().filter(e=>O.WN.includes(e))}getSupportedAudioCodecs(){return this.getSupportedCodecs().filter(e=>O.PP.includes(e))}getSupportedSubtitleCodecs(){return this.getSupportedCodecs().filter(e=>O.VW.includes(e))}_codecUnsupportedHint(e){return""}_isFragmentedIsobmff(){return!1}}class oo extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.fastStart&&![!1,"in-memory","reserve","fragmented"].includes(e.fastStart))throw TypeError("options.fastStart, when provided, must be false, 'in-memory', 'reserve', or 'fragmented'.");if(void 0!==e.minimumFragmentDuration&&(!Number.isFinite(e.minimumFragmentDuration)||e.minimumFragmentDuration<0))throw TypeError("options.minimumFragmentDuration, when provided, must be a non-negative number.");if(void 0!==e.onFtyp&&"function"!=typeof e.onFtyp)throw TypeError("options.onFtyp, when provided, must be a function.");if(void 0!==e.onMoov&&"function"!=typeof e.onMoov)throw TypeError("options.onMoov, when provided, must be a function.");if(void 0!==e.onMdat&&"function"!=typeof e.onMdat)throw TypeError("options.onMdat, when provided, must be a function.");if(void 0!==e.onMoof&&"function"!=typeof e.onMoof)throw TypeError("options.onMoof, when provided, must be a function.");if(void 0!==e.metadataFormat&&!["mdir","mdta","udta","auto"].includes(e.metadataFormat))throw TypeError("options.metadataFormat, when provided, must be either 'auto', 'mdir', 'mdta', or 'udta'.");super(),this._options=e}getSupportedTrackCounts(){return{video:{min:0,max:0x100000000-1},audio:{min:0,max:0x100000000-1},subtitle:{min:0,max:0x100000000-1},total:{min:0,max:0x100000000-1}}}get supportsVideoRotationMetadata(){return!0}get supportsTimestampedMediaData(){return!0}_createMuxer(e){return new nb(e,this)}_isFragmentedIsobmff(){return"fragmented"===this._options.fastStart}}class ol extends oo{constructor(e){super(e)}get _name(){return"MP4"}get fileExtension(){return".mp4"}get mimeType(){return"video/mp4"}getSupportedCodecs(){return[...O.WN,...O.YB,"pcm-s16","pcm-s16be","pcm-s24","pcm-s24be","pcm-s32","pcm-s32be","pcm-f32","pcm-f32be","pcm-f64","pcm-f64be",...O.VW]}_codecUnsupportedHint(e){return new ou().getSupportedCodecs().includes(e)?" Switching to MOV will grant support for this codec.":""}}class oc extends oo{constructor(e){super(e)}get _name(){return"CMAF"}get fileExtension(){return".m4s"}get mimeType(){return"video/mp4"}getSupportedCodecs(){return[...O.WN,...O.YB,"pcm-s16","pcm-s16be","pcm-s24","pcm-s24be","pcm-s32","pcm-s32be","pcm-f32","pcm-f32be","pcm-f64","pcm-f64be",...O.VW]}}class ou extends oo{constructor(e){super(e)}get _name(){return"MOV"}get fileExtension(){return".mov"}get mimeType(){return"video/quicktime"}getSupportedCodecs(){return[...O.WN,...O.PP]}_codecUnsupportedHint(e){return new ol().getSupportedCodecs().includes(e)?" Switching to MP4 will grant support for this codec.":""}}class od extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.appendOnly&&"boolean"!=typeof e.appendOnly)throw TypeError("options.appendOnly, when provided, must be a boolean.");if(void 0!==e.minimumClusterDuration&&(!Number.isFinite(e.minimumClusterDuration)||e.minimumClusterDuration<0))throw TypeError("options.minimumClusterDuration, when provided, must be a non-negative number.");if(void 0!==e.onEbmlHeader&&"function"!=typeof e.onEbmlHeader)throw TypeError("options.onEbmlHeader, when provided, must be a function.");if(void 0!==e.onSegmentHeader&&"function"!=typeof e.onSegmentHeader)throw TypeError("options.onHeader, when provided, must be a function.");if(void 0!==e.onCluster&&"function"!=typeof e.onCluster)throw TypeError("options.onCluster, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new nv(e,this)}get _name(){return"Matroska"}getSupportedTrackCounts(){return{video:{min:0,max:127},audio:{min:0,max:127},subtitle:{min:0,max:127},total:{min:0,max:127}}}get fileExtension(){return".mkv"}get mimeType(){return"video/x-matroska"}getSupportedCodecs(){return[...O.WN,...O.YB,...O.Wq.filter(e=>!["pcm-s8","pcm-f32be","pcm-f64be","ulaw","alaw"].includes(e)),...O.VW]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!0}}class oh extends od{constructor(e){super(e)}getSupportedCodecs(){return[...O.WN.filter(e=>["vp8","vp9","av1"].includes(e)),...O.PP.filter(e=>["opus","vorbis"].includes(e)),...O.VW]}get _name(){return"WebM"}get fileExtension(){return".webm"}get mimeType(){return"video/webm"}_codecUnsupportedHint(e){return new od().getSupportedCodecs().includes(e)?" Switching to MKV will grant support for this codec.":""}}class om extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.xingHeader&&"boolean"!=typeof e.xingHeader)throw TypeError("options.xingHeader, when provided, must be a boolean.");if(void 0!==e.onXingFrame&&"function"!=typeof e.onXingFrame)throw TypeError("options.onXingFrame, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new n_(e,this)}get _name(){return"MP3"}getSupportedTrackCounts(){return{video:{min:0,max:0},audio:{min:1,max:1},subtitle:{min:0,max:0},total:{min:1,max:1}}}get fileExtension(){return".mp3"}get mimeType(){return"audio/mpeg"}getSupportedCodecs(){return["mp3"]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!1}}class of extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.large&&"boolean"!=typeof e.large)throw TypeError("options.large, when provided, must be a boolean.");if(void 0!==e.metadataFormat&&!["info","id3"].includes(e.metadataFormat))throw TypeError("options.metadataFormat, when provided, must be either 'info' or 'id3'.");if(void 0!==e.onHeader&&"function"!=typeof e.onHeader)throw TypeError("options.onHeader, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new nD(e,this)}get _name(){return"WAVE"}getSupportedTrackCounts(){return{video:{min:0,max:0},audio:{min:1,max:1},subtitle:{min:0,max:0},total:{min:1,max:1}}}get fileExtension(){return".wav"}get mimeType(){return"audio/wav"}getSupportedCodecs(){return[...O.Wq.filter(e=>["pcm-s16","pcm-s24","pcm-s32","pcm-f32","pcm-f64","pcm-u8","ulaw","alaw"].includes(e))]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!1}}class op extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.maximumPageDuration&&(!Number.isFinite(e.maximumPageDuration)||e.maximumPageDuration<=0))throw TypeError("options.maximumPageDuration, when provided, must be a positive number.");if(void 0!==e.onPage&&"function"!=typeof e.onPage)throw TypeError("options.onPage, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new nI(e,this)}get _name(){return"Ogg"}getSupportedTrackCounts(){return{video:{min:0,max:0},audio:{min:0,max:0x100000000},subtitle:{min:0,max:0},total:{min:0,max:0x100000000}}}get fileExtension(){return".ogg"}get mimeType(){return"application/ogg"}getSupportedCodecs(){return[...O.PP.filter(e=>["vorbis","opus"].includes(e))]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!1}}class og extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.onFrame&&"function"!=typeof e.onFrame)throw TypeError("options.onFrame, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new aM(e,this)}get _name(){return"ADTS"}getSupportedTrackCounts(){return{video:{min:0,max:0},audio:{min:1,max:1},subtitle:{min:0,max:0},total:{min:1,max:1}}}get fileExtension(){return".aac"}get mimeType(){return"audio/aac"}getSupportedCodecs(){return["aac"]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!1}}class ok extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.appendOnly&&"boolean"!=typeof e.appendOnly)throw TypeError("options.appendOnly, when provided, must be a boolean.");super(),this._options=e}_createMuxer(e){return new aD(e,this)}get _name(){return"FLAC"}getSupportedTrackCounts(){return{video:{min:0,max:0},audio:{min:1,max:1},subtitle:{min:0,max:0},total:{min:1,max:1}}}get fileExtension(){return".flac"}get mimeType(){return"audio/flac"}getSupportedCodecs(){return["flac"]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!1}}class oy extends on{constructor(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.onPacket&&"function"!=typeof e.onPacket)throw TypeError("options.onPacket, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new nA(e,this)}get _name(){return"MPEG-TS"}getSupportedTrackCounts(){return{video:{min:0,max:16},audio:{min:0,max:32},subtitle:{min:0,max:0},total:{min:0,max:48}}}get fileExtension(){return".ts"}get mimeType(){return"video/MP2T"}getSupportedCodecs(){return[...O.WN.filter(e=>["avc","hevc"].includes(e)),...O.PP.filter(e=>["aac","mp3","ac3","eac3"].includes(e))]}get supportsVideoRotationMetadata(){return!1}get supportsTimestampedMediaData(){return!0}}class ow extends on{constructor(e){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(!(e.segmentFormat instanceof on)&&(!Array.isArray(e.segmentFormat)||0===e.segmentFormat.length||!e.segmentFormat.every(e=>

14e instanceof on)))throw TypeError("options.segmentFormat must be an OutputFormat or a non-empty array of OutputFormat instances.");if(void 0!==e.targetDuration&&("number"!=typeof e.targetDuration||e.targetDuration<=0))throw TypeError("options.targetDuration, when provided, must be a positive number.");if(void 0!==e.singleFilePerPlaylist&&"boolean"!=typeof e.singleFilePerPlaylist)throw TypeError("options.singleFilePerPlaylist, when provided, must be a boolean.");if(void 0!==e.live&&"boolean"!=typeof e.live)throw TypeError("options.live, when provided, must be a boolean.");if(void 0!==e.maxLiveSegmentCount&&("number"!=typeof e.maxLiveSegmentCount||e.maxLiveSegmentCount<1||Number.isFinite(e.maxLiveSegmentCount)&&!Number.isInteger(e.maxLiveSegmentCount)))throw TypeError("options.maxLiveSegmentCount, when provided, must be a positive integer or Infinity.");if(void 0!==e.getPlaylistPath&&"function"!=typeof e.getPlaylistPath)throw TypeError("options.getPlaylistPath, when provided, must be a function.");if(void 0!==e.getSegmentPath&&"function"!=typeof e.getSegmentPath)throw TypeError("options.getSegmentPath, when provided, must be a function.");if(void 0!==e.getInitPath&&"function"!=typeof e.getInitPath)throw TypeError("options.getInitPath, when provided, must be a function.");if(void 0!==e.onMaster&&"function"!=typeof e.onMaster)throw TypeError("options.onMaster, when provided, must be a function.");if(void 0!==e.onPlaylist&&"function"!=typeof e.onPlaylist)throw TypeError("options.onPlaylist, when provided, must be a function.");if(void 0!==e.onSegment&&"function"!=typeof e.onSegment)throw TypeError("options.onSegment, when provided, must be a function.");if(void 0!==e.onInit&&"function"!=typeof e.onInit)throw TypeError("options.onInit, when provided, must be a function.");if(void 0!==e.onSegmentPopped&&"function"!=typeof e.onSegmentPopped)throw TypeError("options.onSegmentPopped, when provided, must be a function.");super(),this._options=e}_createMuxer(e){return new ot(e,this)}get _name(){return"HTTP Live Streaming (HLS)"}get fileExtension(){return".m3u8"}get mimeType(){return ih}getSupportedCodecs(){return[...new Set((0,B.$r)(this._options.segmentFormat).flatMap(e=>e.getSupportedCodecs()))]}getSupportedTrackCounts(){let e=!1,t=!1,i=!1;for(let r of(0,B.$r)(this._options.segmentFormat)){let a=r.getSupportedTrackCounts();e||=a.video.max>0,t||=a.audio.max>0,i||=a.subtitle.max>0}return{video:{min:0,max:e?1/0:0},audio:{min:0,max:t?1/0:0},subtitle:{min:0,max:0},total:{min:0,max:1/0}}}get supportsVideoRotationMetadata(){return(0,B.$r)(this._options.segmentFormat).some(e=>e.supportsVideoRotationMetadata)}get supportsTimestampedMediaData(){return!0}_codecUnsupportedHint(e){return" Using different segment formats may grant support for this codec."}}let ob=["video","audio","subtitle"];class oT{constructor(e,t,i,r,a){this.id=e,this.output=t,this.type=i,this.source=r,this.metadata=a}isVideoTrack(){return"video"===this.type}isAudioTrack(){return"audio"===this.type}isSubtitleTrack(){return"subtitle"===this.type}canBePairedWith(e){if(!(e instanceof oT))throw TypeError("other must be an OutputTrack.");if(this===e)return!1;let t=(0,B.$r)(this.metadata.group),i=(0,B.$r)(e.metadata.group);for(let r of t)if(this.type!==e.type&&i.some(e=>r===e)||i.some(e=>r._pairedGroups.has(e)))return!0;return!1}}class oS extends oT{constructor(e,t,i,r){super(e,t,"video",i,r)}}class ov extends oT{constructor(e,t,i,r){super(e,t,"audio",i,r)}}class oP extends oT{constructor(e,t,i,r){super(e,t,"subtitle",i,r)}}class o_{constructor(){this._pairedGroups=new Set}pairWith(e){if(!(e instanceof o_))throw TypeError("other must be an OutputTrackGroup.");if(this===e)throw TypeError("Cannot pair a group with itself.");this._pairedGroups.add(e),e._pairedGroups.add(this)}}let oI=e=>{if(!e||"object"!=typeof e)throw TypeError("metadata must be an object.");if(void 0!==e.languageCode&&!(0,B.Nu)(e.languageCode))throw TypeError("metadata.languageCode, when provided, must be a three-letter, ISO 639-2/T language code.");if(void 0!==e.name&&"string"!=typeof e.name)throw TypeError("metadata.name, when provided, must be a string.");if(void 0!==e.disposition&&(e=>{if(!e||"object"!=typeof e)throw TypeError("disposition must be an object.");if(void 0!==e.default&&"boolean"!=typeof e.default)throw TypeError("disposition.default must be a boolean.");if(void 0!==e.primary&&"boolean"!=typeof e.primary)throw TypeError("disposition.primary must be a boolean.");if(void 0!==e.forced&&"boolean"!=typeof e.forced)throw TypeError("disposition.forced must be a boolean.");if(void 0!==e.original&&"boolean"!=typeof e.original)throw TypeError("disposition.original must be a boolean.");if(void 0!==e.commentary&&"boolean"!=typeof e.commentary)throw TypeError("disposition.commentary must be a boolean.");if(void 0!==e.hearingImpaired&&"boolean"!=typeof e.hearingImpaired)throw TypeError("disposition.hearingImpaired must be a boolean.");if(void 0!==e.visuallyImpaired&&"boolean"!=typeof e.visuallyImpaired)throw TypeError("disposition.visuallyImpaired must be a boolean.")})(e.disposition),void 0!==e.maximumPacketCount&&(!Number.isInteger(e.maximumPacketCount)||e.maximumPacketCount<0))throw TypeError("metadata.maximumPacketCount, when provided, must be a non-negative integer.");if(void 0!==e.group&&!(e.group instanceof o_)&&(!Array.isArray(e.group)||e.group.some(e=>!(e instanceof o_))))throw TypeError("metadata.group, when provided, must be an OutputTrackGroup instance or an array of OutputTrackGroup instances.")};class oC extends B.bk{get target(){let e="Output.target cannot be used when using PathedTarget with an async callback. Use the 'target' event instead.";if(this._rootTargetPromise)throw TypeError(e);let t=this._getRootTarget();if(t instanceof Promise)throw TypeError(e);return t}constructor(e){if(super(),this.state="pending",this.defaultTrackGroup=new o_,this.tracks=[],this._onFinalize=null,this._unfinalizedTargets=new Set,this._rootWriterPromise=null,this._startPromise=null,this._cancelPromise=null,this._finalizePromise=null,this._mutex=new B.aD,this._metadataTags={},this._rootTarget=null,this._rootTargetPromise=null,this._firstMediaStreamTimestamp=null,!e||"object"!=typeof e)throw TypeError("options must be an object.");if(!(e.format instanceof on))throw TypeError("options.format must be an OutputFormat.");if(!(e.target instanceof nc||e.target instanceof ng))throw TypeError("options.target must be a Target or a PathedTarget.");if(e.target instanceof nc&&this._rememberTarget(e.target),void 0!==e.initTarget&&!(e.initTarget instanceof nc)&&"function"!=typeof e.initTarget)throw Error("options.initTarget, when provided, must be a Target or a function that returns or resolves to a Target.");if(void 0!==e.onFinalize&&"function"!=typeof e.onFinalize)throw TypeError("options.onFinalize, when provided, must be a function.");this.format=e.format,this._target=e.target,this._onFinalize=e.onFinalize??null,this._initTarget=e.initTarget??null,this._initTarget instanceof nc&&this._rememberTarget(this._initTarget),this._muxer=e.format._createMuxer(this)}_getTargetValidated(e){(0,B.vA)(this._target instanceof ng);let t=this._target.getTarget(e),i=e=>{if(!(e instanceof nc))throw TypeError("getTarget must return a Target.");return e};return t instanceof Promise?t.then(i):i(t)}async _getTarget(e){(0,B.vA)(this._target instanceof ng);let t=await this._getTargetValidated(e);return this._emit("target",{target:t,request:e,isRoot:e.isRoot}),"canceled"===this.state?await t._close():this._rememberTarget(t),t}_rememberTarget(e){this._unfinalizedTargets.add(e),e.on("finalized",()=>this._unfinalizedTargets.delete(e),{once:!0})}

14async _getInitTarget(){if((0,B.vA)(null!==this._initTarget),this._initTarget instanceof nc)return this._initTarget;let e=await this._initTarget();return"canceled"===this.state?await e._close():this._rememberTarget(e),e}_hasInitTarget(){return null!==this._initTarget}_getRootTarget(){if(this._rootTarget)return this._rootTarget;if(this._rootTargetPromise)return this._rootTargetPromise;if(this._target instanceof nc)return this._emit("target",{target:this._target,request:null,isRoot:!0}),this._rootTarget=this._target,this._target;let e={path:this._target.rootPath,isRoot:!0,mimeType:this.format.mimeType},t=this._getTargetValidated(e),i=t=>("canceled"===this.state?t._close():this._rememberTarget(t),this._emit("target",{target:t,request:e,isRoot:!0}),this._rootTarget=t,t);return t instanceof Promise?this._rootTargetPromise=t.then(i):i(t)}_getRootWriter(e){return this._rootWriterPromise??=(async()=>{let t=await this._getRootTarget(),i=new no(t,"boolean"==typeof e?e:e(t));return i.start(),i})()}addVideoTrack(e,t={}){if(!(e instanceof nW))throw TypeError("source must be a VideoSource.");if(oI(t),void 0!==t.rotation&&![0,90,180,270].includes(t.rotation))throw TypeError(`Invalid video rotation: ${t.rotation}. Has to be 0, 90, 180 or 270.`);if(!this.format.supportsVideoRotationMetadata&&t.rotation)throw Error(`${this.format._name} does not support video rotation metadata.`);if(void 0!==t.frameRate&&(!Number.isFinite(t.frameRate)||t.frameRate<=0))throw TypeError(`Invalid video frame rate: ${t.frameRate}. Must be a positive number.`);if(void 0!==t.decoderConfig&&(0,O.aF)({decoderConfig:t.decoderConfig},e._codec),void 0!==t.primingPacket){if(!(t.primingPacket instanceof eO.Z))throw TypeError("metadata.primingPacket, when provided, must be an EncodedPacket.");if(void 0===t.decoderConfig)throw TypeError("metadata.primingPacket can only be provided alongside metadata.decoderConfig.")}let i={...t};return i.group??=this.defaultTrackGroup,this._addTrack(new oS(this.tracks.length+1,this,e,i))}addAudioTrack(e,t={}){if(!(e instanceof nY))throw TypeError("source must be an AudioSource.");if(oI(t),void 0!==t.decoderConfig&&(0,O.P7)({decoderConfig:t.decoderConfig},e._codec),void 0!==t.primingPacket){if(!(t.primingPacket instanceof eO.Z))throw TypeError("metadata.primingPacket, when provided, must be an EncodedPacket.");if(void 0===t.decoderConfig)throw TypeError("metadata.primingPacket can only be provided alongside metadata.decoderConfig.")}let i={...t};return i.group??=this.defaultTrackGroup,this._addTrack(new ov(this.tracks.length+1,this,e,i))}addSubtitleTrack(e,t={}){if(!(e instanceof n9))throw TypeError("source must be a SubtitleSource.");oI(t);let i={...t};return i.group??=this.defaultTrackGroup,this._addTrack(new oP(this.tracks.length+1,this,e,i))}setMetadataTags(e){if(R(e),"pending"!==this.state)throw Error("Cannot set metadata tags after output has been started or canceled.");this._metadataTags=e}_addTrack(e){if("pending"!==this.state)throw Error("Cannot add track after output has been started or canceled.");if(e.source._connectedTrack)throw Error("Source is already used for a track.");let t=this.format.getSupportedTrackCounts(),i=this.tracks.reduce((t,i)=>t+ +(i.type===e.type),0),r=t[e.type].max;if(i===r)throw Error(0===r?`${this.format._name} does not support ${e.type} tracks.`:`${this.format._name} does not support more than ${r} ${e.type} track${1===r?"":"s"}.`);let a=t.total.max;if(this.tracks.length===a)throw Error(`${this.format._name} does not support more than ${a} tracks${1===a?"":"s"} in total.`);if(e.isVideoTrack()){let t=this.format.getSupportedVideoCodecs();if(0===t.length)throw Error(`${this.format._name} does not support video tracks.`+this.format._codecUnsupportedHint(e.source._codec));if(!t.includes(e.source._codec))throw Error(`Codec '${e.source._codec}' cannot be contained within ${this.format._name}. Supported video codecs are: ${t.map(e=>`'${e}'`).join(", ")}.`+this.format._codecUnsupportedHint(e.source._codec))}else if(e.isAudioTrack()){let t=this.format.getSupportedAudioCodecs();if(0===t.length)throw Error(`${this.format._name} does not support audio tracks.`+this.format._codecUnsupportedHint(e.source._codec));if(!t.includes(e.source._codec))throw Error(`Codec '${e.source._codec}' cannot be contained within ${this.format._name}. Supported audio codecs are: ${t.map(e=>`'${e}'`).join(", ")}.`+this.format._codecUnsupportedHint(e.source._codec))}

14else if(e.isSubtitleTrack()){let t=this.format.getSupportedSubtitleCodecs();if(0===t.length)throw Error(`${this.format._name} does not support subtitle tracks.`+this.format._codecUnsupportedHint(e.source._codec));if(!t.includes(e.source._codec))throw Error(`Codec '${e.source._codec}' cannot be contained within ${this.format._name}. Supported subtitle codecs are: ${t.map(e=>`'${e}'`).join(", ")}.`+this.format._codecUnsupportedHint(e.source._codec))}return this.tracks.push(e),e.source._connectedTrack=e,e}hasEnoughTracks(){let e=this.format.getSupportedTrackCounts();for(let t of ob)if(this.tracks.reduce((e,i)=>e+ +(i.type===t),0)<e[t].min)return!1;let t=e.total.min;return!(this.tracks.length<t)}async start(){let e=this.format.getSupportedTrackCounts();for(let t of ob){let i=this.tracks.reduce((e,i)=>e+ +(i.type===t),0),r=e[t].min;if(i<r)throw Error(r===e[t].max?`${this.format._name} requires exactly ${r} ${t} track${1===r?"":"s"}.`:`${this.format._name} requires at least ${r} ${t} track${1===r?"":"s"}.`)}let t=e.total.min;if(this.tracks.length<t)throw Error(t===e.total.max?`${this.format._name} requires exactly ${t} track${1===t?"":"s"}.`:`${this.format._name} requires at least ${t} track${1===t?"":"s"}.`);if("canceled"===this.state)throw Error("Output has been canceled.");return this._startPromise?(E.y._warn("Output has already been started."),this._startPromise):this._startPromise=(async()=>{this.state="started";let e=this._mutex.acquire();try{await this._muxer.start();let e=this.tracks.map(e=>e.source._start());await Promise.all(e)}finally{(await e)()}})()}getMimeType(){return this._muxer.getMimeType()}async cancel(){if(this._cancelPromise)return E.y._warn("Output has already been canceled."),this._cancelPromise;if("finalizing"===this.state||"finalized"===this.state){"finalized"===this.state&&E.y._warn("Output has already been finalized.");return}return this._cancelPromise=(async()=>{this.state="canceled";let e=await this._mutex.acquire();try{let e=this.tracks.map(e=>e.source._flushOrWaitForOngoingClose(!0));await Promise.all(e),await Promise.all([...this._unfinalizedTargets].map(e=>e._close())),this._unfinalizedTargets.clear()}finally{e()}})()}async finalize(){if("pending"===this.state)throw Error("Cannot finalize before starting.");if("canceled"===this.state)throw Error("Cannot finalize after canceling.");return this._finalizePromise?(E.y._warn("Output has already been finalized."),this._finalizePromise):this._finalizePromise=(async()=>{this.state="finalizing";let e=await this._mutex.acquire();try{let e=this.tracks.map(e=>e.source._flushOrWaitForOngoingClose(!1));if(await Promise.all(e),await this._muxer.finalize(),this._rootWriterPromise){let e=await this._rootWriterPromise;e.finalized||(await e.flush(),await e.finalize())}this._onFinalize&&await this._onFinalize(),this.state="finalized"}finally{await Promise.all([...this._unfinalizedTargets].map(e=>e._close().catch(()=>{}))),this._unfinalizedTargets.clear(),e()}})()}}var ox=i(7478),oA=function(e,t,i){if(null!=t){var r,a;if("object"!=typeof t&&"function"!=typeof t)throw TypeError("Object expected.");if(i){if(!Symbol.asyncDispose)throw TypeError("Symbol.asyncDispose is not defined.");r=t[Symbol.asyncDispose]}if(void 0===r){if(!Symbol.dispose)throw TypeError("Symbol.dispose is not defined.");r=t[Symbol.dispose],i&&(a=r)}if("function"!=typeof r)throw TypeError("Object not disposable.");a&&(r=function(){try{a.call(this)}catch(e){return Promise.reject(e)}}),e.stack.push({value:t,dispose:r,async:i})}else i&&e.stack.push({async:!0});return t},oE=(k="function"==typeof SuppressedError?SuppressedError:function(e,t,i){var r=Error(i);return r.name="SuppressedError",r.error=e,r.suppressed=t,r},function(e){function t(t){e.error=e.hasError?new k(t,e.error,"An error was suppressed during disposal."):t,e.hasError=!0}var i,r=0;return function a(){for(;i=e.stack.pop();)try{if(!i.async&&1===r)return r=0,e.stack.push(i),Promise.resolve().then(a);if(i.dispose){var s=i.dispose.call(i.value);if(i.async)return r|=2,Promise.resolve(s).then(a,function(e){return t(e),a()})}else r|=1}catch(e){t(e)}

14if(1===r)return e.hasError?Promise.reject(e.error):Promise.resolve();if(e.hasError)throw e.error}()});let oB=e=>{if(!e||"object"!=typeof e)throw TypeError("options.video, when provided, must be an object.");if(e?.discard!==void 0&&"boolean"!=typeof e.discard)throw TypeError("options.video.discard, when provided, must be a boolean.");if(e?.forceTranscode!==void 0&&"boolean"!=typeof e.forceTranscode)throw TypeError("options.video.forceTranscode, when provided, must be a boolean.");if(e?.codec!==void 0&&!O.WN.includes(e.codec))throw TypeError(`options.video.codec, when provided, must be one of: ${O.WN.join(", ")}.`);let t=e?.bitrate;if(e?.quality!==void 0&&!(e.quality instanceof nU.en))throw TypeError("options.video.quality, when provided, must be a Quality.");if(e?.quality!==void 0&&void 0!==t)throw TypeError("options.video.quality and options.video.bitrate cannot both be provided.");if(void 0!==t&&!(t instanceof nU.en)&&(!Number.isInteger(t)||t<=0))throw TypeError("options.video.bitrate, when provided, must be a positive integer or a quality.");if(e?.width!==void 0&&(!Number.isInteger(e.width)||e.width<=0))throw TypeError("options.video.width, when provided, must be a positive integer.");if(e?.height!==void 0&&(!Number.isInteger(e.height)||e.height<=0))throw TypeError("options.video.height, when provided, must be a positive integer.");if(e?.fit!==void 0&&!["fill","contain","cover"].includes(e.fit))throw TypeError("options.video.fit, when provided, must be one of 'fill', 'contain', or 'cover'.");if(e?.width!==void 0&&void 0!==e.height&&void 0===e.fit)throw TypeError("When both options.video.width and options.video.height are provided, options.video.fit must also be provided.");if(e?.rotate!==void 0&&![0,90,180,270].includes(e.rotate))throw TypeError("options.video.rotate, when provided, must be 0, 90, 180 or 270.");if(e?.allowRotationMetadata!==void 0&&"boolean"!=typeof e.allowRotationMetadata)throw TypeError("options.video.allowRotationMetadata, when provided, must be a boolean.");if(e?.crop!==void 0&&(0,rA.wS)(e.crop,"options.video."),e?.frameRate!==void 0&&(!Number.isFinite(e.frameRate)||e.frameRate<=0))throw TypeError("options.video.frameRate, when provided, must be a finite positive number.");if(e?.alpha!==void 0&&!["discard","keep"].includes(e.alpha))throw TypeError("options.video.alpha, when provided, must be either 'discard' or 'keep'.");if(e?.keyFrameInterval!==void 0&&(!Number.isFinite(e.keyFrameInterval)||e.keyFrameInterval<0))throw TypeError("options.video.keyFrameInterval, when provided, must be a non-negative number.");if(e?.process!==void 0&&"function"!=typeof e.process)throw TypeError("options.video.process, when provided, must be a function.");if(e?.processedWidth!==void 0&&(!Number.isInteger(e.processedWidth)||e.processedWidth<=0))throw TypeError("options.video.processedWidth, when provided, must be a positive integer.");if(e?.processedHeight!==void 0&&(!Number.isInteger(e.processedHeight)||e.processedHeight<=0))throw TypeError("options.video.processedHeight, when provided, must be a positive integer.");if(e?.hardwareAcceleration!==void 0&&!["no-preference","prefer-hardware","prefer-software"].includes(e.hardwareAcceleration))throw TypeError("options.video.hardwareAcceleration, when provided, must be 'no-preference', 'prefer-hardware' or 'prefer-software'.");if(e?.group!==void 0&&!(e.group instanceof o_||Array.isArray(e.group)&&e.group.every(e=>e instanceof o_)))throw TypeError("options.video.group, when provided, must be an OutputTrackGroup or an array of OutputTrackGroups.")},oF=e=>{if(!e||"object"!=typeof e)throw TypeError("options.audio, when provided, must be an object.");if(e?.discard!==void 0&&"boolean"!=typeof e.discard)throw TypeError("options.audio.discard, when provided, must be a boolean.");if(e?.forceTranscode!==void 0&&"boolean"!=typeof e.forceTranscode)throw TypeError("options.audio.forceTranscode, when provided, must be a boolean.");if(e?.codec!==void 0&&!O.PP.includes(e.codec))throw TypeError(`options.audio.codec, when provided, must be one of: ${O.PP.join(", ")}.`);let t=e?.bitrate;if(e?.quality!==void 0&&!(e.quality instanceof nU.en))throw TypeError("options.audio.quality, when provided, must be a Quality.");if(e?.quality!==void 0&&void 0!==t)throw TypeError("options.audio.quality and options.audio.bitrate c

14annot both be provided.");if(void 0!==t&&!(t instanceof nU.en)&&(!Number.isInteger(t)||t<=0))throw TypeError("options.audio.bitrate, when provided, must be a positive integer or a quality.");if(e?.numberOfChannels!==void 0&&(!Number.isInteger(e.numberOfChannels)||e.numberOfChannels<=0))throw TypeError("options.audio.numberOfChannels, when provided, must be a positive integer.");if(e?.sampleRate!==void 0&&(!Number.isInteger(e.sampleRate)||e.sampleRate<=0))throw TypeError("options.audio.sampleRate, when provided, must be a positive integer.");if(e?.sampleFormat!==void 0&&!["u8","s16","s32","f32"].includes(e.sampleFormat))throw TypeError("options.audio.sampleFormat, when provided, must be one of: u8, s16, s32, f32.");if(e?.process!==void 0&&"function"!=typeof e.process)throw TypeError("options.audio.process, when provided, must be a function.");if(e?.processedNumberOfChannels!==void 0&&(!Number.isInteger(e.processedNumberOfChannels)||e.processedNumberOfChannels<=0))throw TypeError("options.audio.processedNumberOfChannels, when provided, must be a positive integer.");if(e?.processedSampleRate!==void 0&&(!Number.isInteger(e.processedSampleRate)||e.processedSampleRate<=0))throw TypeError("options.audio.processedSampleRate, when provided, must be a positive integer.");if(e?.group!==void 0&&!(e.group instanceof o_||Array.isArray(e.group)&&e.group.every(e=>e instanceof o_)))throw TypeError("options.audio.group, when provided, must be an OutputTrackGroup or an array of OutputTrackGroups.")};class oM{static async init(e){let t=new oM(e);return await t._init(),t}constructor(e){if(this.state="idle",this._nextOutputTrackId=0,this._outputTrackIds=[],this._outputOwnTrackGroups=[],this._trackPumps=[],this._composable=!1,this._executed=!1,this._executionUntil=1/0,this._pauseRequested=!1,this._synchronizer=new oD(this),this._totalDuration=null,this._maxTimestamps=new Map,this.onProgress=void 0,this._computeProgress=!1,this._lastProgress=0,this.isValid=!1,this.utilizedTracks=[],this.discardedTracks=[],!e||"object"!=typeof e)throw TypeError("options must be an object.");if(!(e.input instanceof r9))throw TypeError("options.input must be an Input.");if(!(e.output instanceof oC))throw TypeError("options.output must be an Output.");if(void 0!==e.tracks&&"all"!==e.tracks&&"primary"!==e.tracks)throw TypeError("options.tracks, when provided, must be either 'all' or 'primary'.");if(void 0!==e.composable&&"boolean"!=typeof e.composable)throw TypeError("options.composable, when provided, must be a boolean.");const t=e.composable??!1;if(t){if(void 0!==e.tags)throw TypeError("options.tags cannot be set by a composable conversion; set metadata directly on the output instead.");if("pending"!==e.output.state)throw TypeError("options.output must not have been started yet.")}else if(e.output.tracks.length>0||Object.keys(e.output._metadataTags).length>0||"pending"!==e.output.state)throw TypeError("options.output must be fresh: no tracks or metadata tags added and not started.");if(void 0!==e.video&&"function"!=typeof e.video)if(Array.isArray(e.video))for(const t of e.video)oB(t);else oB(e.video);if(void 0!==e.audio&&"function"!=typeof e.audio)if(Array.isArray(e.audio))for(const t of e.audio)oF(t);else oF(e.audio);if(void 0!==e.trim&&(!e.trim||"object"!=typeof e.trim))throw TypeError("options.trim, when provided, must be an object.");if(e.trim?.start!==void 0&&!Number.isFinite(e.trim.start))throw TypeError("options.trim.start, when provided, must be a finite number.");if(e.trim?.end!==void 0&&!Number.isFinite(e.trim.end))throw TypeError("options.trim.end, when provided, must be a finite number.");if(e.trim?.start!==void 0&&void 0!==e.trim.end&&e.trim.start>=e.trim.end)throw TypeError("options.trim.start must be less than options.trim.end.");if(void 0!==e.tags&&("object"!=typeof e.tags||!e.tags)&&"function"!=typeof e.tags)throw TypeError("options.tags, when provided, must be an object or a function.");if("object"==typeof e.tags&&R(e.tags),void 0!==e.showWarnings&&"boolean"!=typeof e.showWarnings)throw TypeError("options.showWarnings, when provided, must be a boolean.");this._options=e,this._composable=t,this.input=e.input,this.output=e.output}async _init(){let e,t=await this.input.getFormat(),i=this._options.tracks;(void 0===i&&(i=t.name.includes("(HLS)")?"primary":"all"),"all"===i)?e=await this.input.getTracks():"primary"===i?e=[await this.input.getPrimaryVideoTrack(),await this.input.getPrimaryAudioTrack()].filter(e=>null!==e):((0,B.xb)(i),(0,B.vA)(!1));

14let r=this.output.format.getSupportedTrackCounts(),a=1,s=1,n=[],o=[];for(let t of e){let e;if(t.isVideoTrack())if(this._options.video)if("function"==typeof this._options.video){let i=await this._options.video(t,a)??{};if(Array.isArray(i))for(let e of i)oB(e);else oB(i);e=Array.isArray(i)?i:[i],a++}else e=Array.isArray(this._options.video)?this._options.video:[this._options.video];else e=[{}];else if(t.isAudioTrack())if(this._options.audio)if("function"==typeof this._options.audio){let i=await this._options.audio(t,s)??{};if(Array.isArray(i))for(let e of i)oF(e);else oF(i);e=Array.isArray(i)?i:[i],s++}else e=Array.isArray(this._options.audio)?this._options.audio:[this._options.audio];else e=[{}];else(0,B.vA)(!1);let i=e.filter(e=>e.discard);for(let e of i)this.discardedTracks.push({track:t,reason:"discarded_by_user",trackOptions:e});if(e.length===i.length){0===e.length&&this.discardedTracks.push({track:t,reason:"discarded_by_user",trackOptions:{}});continue}let r=e.filter(e=>!e.discard);n.push(t),o.push(r)}this._options.trim?.start!==void 0?this._startTimestamp=this._options.trim.start:this._startTimestamp=Math.max(await this.input.getFirstTimestamp(n),0),this._endTimestamp=Math.max(this._options.trim?.end??1/0,this._startTimestamp);for(let e=0;e<n.length;e++){let t=n[e];for(let i of o[e]){if(this.output.tracks.length===r.total.max){this.discardedTracks.push({track:t,reason:"max_track_count_reached",trackOptions:i});continue}if(this.output.tracks.reduce((e,i)=>e+ +(i.type===t.type),0)===r[t.type].max){this.discardedTracks.push({track:t,reason:"max_track_count_of_type_reached",trackOptions:i});continue}let e=this._nextOutputTrackId++;t.isVideoTrack()?await this._processVideoTrack(t,i,e):t.isAudioTrack()?await this._processAudioTrack(t,i,e):(0,B.vA)(!1)}}for(let e=0;e<this.utilizedTracks.length-1;e++)for(let t=e+1;t<this.utilizedTracks.length;t++){let i=this.utilizedTracks[e],r=this.utilizedTracks[t],a=this._outputOwnTrackGroups[e],s=this._outputOwnTrackGroups[t];(0,B.vA)(void 0!==a),(0,B.vA)(void 0!==s),a&&s&&i.canBePairedWith(r)&&a.pairWith(s)}if(!this._composable){let e,i=await this.input.getMetadataTags();if(this._options.tags){let t="function"==typeof this._options.tags?await this._options.tags(i):this._options.tags;R(t),e=t}else e=i;let r=t.mimeType===this.output.format.mimeType,a=i.raw===e.raw;i.raw&&a&&!r&&delete e.raw,this.output.setMetadataTags(e)}if(this._composable?this.isValid=!0:this.isValid=this.output.hasEnoughTracks()&&this.output.tracks.length>0,this._options.showWarnings??!0){let e=[],t=this.discardedTracks.filter(e=>"discarded_by_user"!==e.reason);t.length>0&&e.push("Some tracks had to be discarded from the conversion:",t),this.isValid||(e.length>0&&e.push("\n\n"),e.push(this._getInvalidityExplanation().join(""))),e.length>0&&E.y._warn(...e)}}_getInvalidityExplanation(){let e=[];

14if(0===this.discardedTracks.length)e.push("Due to missing tracks, this conversion cannot be executed.");else{let t=this.discardedTracks.every(e=>"discarded_by_user"===e.reason||"no_encodable_target_codec"===e.reason)&&this.discardedTracks.some(e=>"no_encodable_target_codec"===e.reason);if(e.push("Due to discarded tracks, this conversion cannot be executed."),t){let t=[...new Set(this.discardedTracks.flatMap(e=>"discarded_by_user"===e.reason?[]:("video"===e.track.type?this.output.format.getSupportedVideoCodecs():"audio"===e.track.type?this.output.format.getSupportedAudioCodecs():this.output.format.getSupportedSubtitleCodecs()).filter(t=>!e.trackOptions.codec||t===e.trackOptions.codec)))];1===t.length?e.push(`
15Tracks were discarded because your environment is not able to encode '${t[0]}' with the provided parameters.`):e.push(`
16Tracks were discarded because your environment is not able to encode any of the codecs ${t.map(e=>`'${e}'`).join(", ")} with the provided parameters.`),t.includes("mp3")&&e.push(`
17The @mediabunny/mp3-encoder extension package provides support for encoding MP3.`),t.includes("aac")&&e.push("\nThe @mediabunny/aac-encoder extension package provides support for encoding AAC."),(t.includes("ac3")||t.includes("eac3"))&&e.push("\nThe @mediabunny/ac3 extension package provides support for encoding and decoding AC-3/E-AC-3."),t.includes("flac")&&e.push("\nThe @mediabunny/flac-encoder extension package provides support for encoding FLAC.")}else e.push("\nCheck the discardedTracks field for more info.")}return e}async execute(e={}){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.until&&("number"!=typeof e.until||Number.isNaN(e.until)))throw TypeError("options.until, when provided, must be a number.");if(void 0!==e.pauseSignal&&!(e.pauseSignal instanceof AbortSignal))throw TypeError("options.pauseSignal, when provided, must be an AbortSignal.");if(!this.isValid)throw Error("Cannot execute this conversion because its output configuration is invalid. Make sure to always check the isValid field before executing a conversion.\n"+this._getInvalidityExplanation().join(""));if("executing"===this.state)throw Error("Cannot call execute() while a previous call to execute() is still running.");if("canceled"===this.state)throw new oR;if("done"===this.state)return;if(this._composable&&"pending"===this.output.state)throw Error("A composable conversion requires the output to be started. Call start() on the output before executing the conversion.");this.state="executing",this._executionUntil=e.until??1/0,this._pauseRequested=e.pauseSignal?.aborted??!1;let t=()=>{"executing"===this.state&&(this._pauseRequested=!0,this._synchronizer.resolveAll())};for(let i of(e.pauseSignal?.addEventListener("abort",t),this._trackPumps))i.done||(i.resolvers=(0,B.nJ)());if(this._executed)for(let e of this._trackPumps)e.wake?.();else{for(let e of(this._executed=!0,this._outputTrackIds))this._synchronizer.declareTrack(e);if(this.onProgress){let e=[...new Set(this.utilizedTracks)].map(async e=>await e.isLive()?1/0:await e.getDurationFromMetadata()??await e.computeDuration()),t=Math.max(0,...await Promise.all(e));for(let e of(this._computeProgress=!0,this._totalDuration=Math.min(t-this._startTimestamp,this._endTimestamp-this._startTimestamp),this._outputTrackIds))this._maxTimestamps.set(e,0);this.onProgress?.(0,0)}for(let e of(this._composable||await this.output.start(),this._trackPumps))e.start()}try{await Promise.all(this._trackPumps.map(e=>e.resolvers.promise))}catch(e){throw"canceled"!==this.state&&this.cancel(),e}finally{e.pauseSignal?.removeEventListener("abort",t)}if("canceled"===this.state)throw new oR;let i=this._trackPumps.every(e=>e.done);if(this.state=i?"done":"idle",i&&(this._composable||await this.output.finalize(),this._computeProgress)){let e=Math.min(...this._maxTimestamps.values());this.onProgress?.(1,e)}}async cancel(){if("done"!==this.state){if("canceled"===this.state)return void E.y._warn("Conversion already canceled.");for(let e of(this.state="canceled",this._trackPumps))e.wake?.();this._synchronizer.resolveAll(),this._composable||await this.output.cancel()}}async _processVideoTrack(e,t,i){let r,a=await e.getCodec();if(!a)return void this.discardedTracks.push({track:e,reason:"unknown_source_codec",trackOptions:t});let s=await e.getRotation(),n=(0,B.qT)(s+(t.rotate??0)),o=n,l=this.output.format.supportsVideoRotationMetadata&&(t.allowRotationMetadata??

17!0),c=await e.getSquarePixelWidth(),u=await e.getSquarePixelHeight(),[d,h]=n%180==0?[c,u]:[u,c],m=t.crop;m&&(m=(0,rA.px)(m,d,h));let[f,p]=m?[m.width,m.height]:[d,h],g=f,k=p,y=g/k;void 0!==t.width&&void 0===t.height?(g=(0,B._x)(t.width),k=(0,B._x)(Math.round(g/y))):void 0===t.width&&void 0!==t.height?(k=(0,B._x)(t.height),g=(0,B._x)(Math.round(k*y))):void 0!==t.width&&void 0!==t.height&&(g=(0,B._x)(t.width),k=(0,B._x)(t.height));let w=await e.getFirstTimestamp(),b=this.output.format.getSupportedVideoCodecs(),T=!!t.forceTranscode||w<this._startTimestamp||!!t.frameRate||void 0!==t.keyFrameInterval||void 0!==t.process||void 0!==t.quality||void 0!==t.bitrate||!b.includes(a)||t.codec&&t.codec!==a||g!==f||k!==p||0!==n&&!l||!!m,S=t.alpha??"discard";if(T){if(!await e.canDecode())return void this.discardedTracks.push({track:e,reason:"undecodable_source_codec",trackOptions:t});t.codec&&(b=b.filter(e=>e===t.codec));let a=(0,nU.WS)(t.quality,t.bitrate)??new nU.en("high"),d=await (0,nU.Tn)(b,{width:t.process&&t.processedWidth?t.processedWidth:g,height:t.process&&t.processedHeight?t.processedHeight:k,quality:a});if(!d)return void this.discardedTracks.push({track:e,reason:"no_encodable_target_codec",trackOptions:t});let h={codec:d,quality:a,keyFrameInterval:t.keyFrameInterval,sizeChangeBehavior:t.fit??"passThrough",alpha:S,hardwareAcceleration:t.hardwareAcceleration,transform:{}};(0,B.vA)(h.transform);let y=g!==f||k!==p||0!==n&&(!l||void 0!==t.process)||!!m||c!==await e.getCodedWidth()||u!==await e.getCodedHeight();if(!y){let t={stack:[],error:void 0,hasError:!1};try{let i=new oC({format:new ol,target:new nf}),r=new nQ(h);i.addVideoTrack(r),await i.start();let a=new rV(e),s=oA(t,await a.getSample(w),!1);if(s)try{await r.add(s),s.close(),await i.finalize()}catch(e){E.y._warn("An error occurred when probing encoder support. Falling back to rerender path.",e),i.cancel(),y=!0,h.transform.force=!0}else await i.cancel()}catch(e){t.error=e,t.hasError=!0}finally{oE(t)}}t.frameRate&&(h.transform.frameRate=t.frameRate),t.process&&(h.transform.process=t.process),y&&(o=0,h.transform.width=g,h.transform.height=k,h.transform.fit=t.fit??"fill",h.transform.rotate=(0,B.qT)(n-s),h.transform.crop=m,h.transform.alpha=S);let T=null;h.onEncodedSample=e=>{T=e.timestamp};let v=new nQ(h);r=v,this._registerTrackPump(async t=>{for await(let r of new rV(e).samples(this._startTimestamp,this._endTimestamp)){let e={stack:[],error:void 0,hasError:!1};try{let a=oA(e,r,!1);if("canceled"===this.state)break;let s=Math.max(a.timestamp-this._startTimestamp,0);a.setTimestamp(s),this._reportProgress(i,a.timestamp+a.duration),await v.add(a),a.close(),null!==T&&(this._synchronizer.shouldWait(i,T)&&await this._synchronizer.wait(T),await this._checkpoint(t,T))}catch(t){e.error=t,e.hasError=!0}finally{oE(e)}}v.close(),this._synchronizer.closeTrack(i)})}else{let t=new nq(a);r=t,this._registerTrackPump(async r=>{let a=new rM(e),s={decoderConfig:await e.getDecoderConfig()??void 0};for await(let e of a.packets(void 0,void 0,{verifyKeyPackets:!0})){if("canceled"===this.state||e.timestamp>=this._endTimestamp)break;let a=e.clone({timestamp:e.timestamp-this._startTimestamp,sideData:"discard"===S?{}:e.sideData});(0,B.vA)(a.timestamp>=0),this._reportProgress(i,a.timestamp+a.duration),await t.add(a,s),this._synchronizer.shouldWait(i,a.timestamp)&&await this._synchronizer.wait(a.timestamp),await this._checkpoint(r,a.timestamp)}t.close(),this._synchronizer.closeTrack(i)})}let v=null;t.group||this._composable||(v=new o_);let P=await e.getLanguageCode();this.output.addVideoTrack(r,{frameRate:t.frameRate,languageCode:(0,B.Nu)(P)?P:void 0,name:await e.getName()??void 0,disposition:await e.getDisposition(),rotation:o,group:v??t.group}),this.utilizedTracks.push(e),this._outputTrackIds.push(i),this._outputOwnTrackGroups.push(v)}async _processAudioTrack(e,t,i){let r,a=await e.getCodec();if(!a)return void this.discardedTracks.push({track:e,reason:"unknown_source_codec",trackOptions:t});let s=await e.getNumberOfChannels(),n=await e.getSampleRate(),o=await e.getFirstTimestamp(),l=t.numberOfChannels??s,c=t.sampleRate??n,u=o<this._startTimestamp,d=o>this._startTimestamp&&!this.output.format.supportsTimestampedMediaData,h=this.output.format.getSupp

17ortedAudioCodecs();if(!(!t.forceTranscode&&!t.quality&&!t.bitrate&&l===s&&c===n&&!u&&!d&&h.includes(a))||t.codec&&t.codec!==a||t.process||void 0!==t.sampleFormat){if(!await e.canDecode())return void this.discardedTracks.push({track:e,reason:"undecodable_source_codec",trackOptions:t});let a=null;t.codec&&(h=h.filter(e=>e===t.codec));let u=(0,nU.WS)(t.quality,t.bitrate)??new nU.en("high"),m=await (0,nU.Xq)(h,{numberOfChannels:t.process&&t.processedNumberOfChannels?t.processedNumberOfChannels:l,sampleRate:t.process&&t.processedSampleRate?t.processedSampleRate:c,quality:u});if(!m.some(e=>O.YB.includes(e))&&h.some(e=>O.YB.includes(e))&&(2!==l||48e3!==c)){let e=(await (0,nU.Xq)(h,{numberOfChannels:2,sampleRate:48e3,quality:u})).find(e=>O.YB.includes(e));e&&(a=e,l=2,c=48e3)}else a=m[0]??null;if(null===a)return void this.discardedTracks.push({track:e,reason:"no_encodable_target_codec",trackOptions:t});let f={codec:a,quality:u,transform:{sampleFormat:t.sampleFormat,process:t.process}};(0,B.vA)(f.transform),l!==s&&(f.transform.numberOfChannels=l),c!==n&&(f.transform.sampleRate=c);let p=null;f.onEncodedSample=e=>{p=e.timestamp};let g=new n0(f);r=g,this._registerTrackPump(async t=>{for await(let r of new r$(e).samples(this._startTimestamp,this._endTimestamp)){let e={stack:[],error:void 0,hasError:!1};try{let a,l=oA(e,r,!1);if("canceled"===this.state)break;if(d){let e={stack:[],error:void 0,hasError:!1};try{let r=o-this._startTimestamp,a=Math.round(r*n),c=(0,rA.Dw)(l.format),u=new Uint8Array(c*a*s);("u8"===l.format||"u8-planar"===l.format)&&u.fill(128);let h=oA(e,new rA.B1({data:u,format:l.format,numberOfChannels:s,sampleRate:n,timestamp:0}),!1);await this._registerAudioSample(t,h,g,i,()=>p),d=!1}catch(t){e.error=t,e.hasError=!0}finally{oE(e)}}let c=0,u=l.numberOfFrames;if(l.timestamp<this._startTimestamp&&(c=Math.round((this._startTimestamp-l.timestamp)*l.sampleRate)),l.timestamp+l.duration>this._endTimestamp&&(u=Math.round((this._endTimestamp-l.timestamp)*l.sampleRate)),c>0||u<l.numberOfFrames){let e=l.trim(c,u);if(l.close(),a=e,0===e.numberOfFrames){e.close();continue}}else a=l;let h=oA(e,a,!1);h.setTimestamp(h.timestamp-this._startTimestamp),await this._registerAudioSample(t,h,g,i,()=>p)}catch(t){e.error=t,e.hasError=!0}finally{oE(e)}}g.close(),this._synchronizer.closeTrack(i)})}else{let t=new nZ(a);r=t,this._registerTrackPump(async r=>{let a=new rM(e),s={decoderConfig:await e.getDecoderConfig()??void 0};for await(let e of a.packets()){if("canceled"===this.state||e.timestamp>=this._endTimestamp)break;let a=e.clone({timestamp:e.timestamp-this._startTimestamp});(0,B.vA)(a.timestamp>=0),this._reportProgress(i,a.timestamp+a.duration),await t.add(a,s),this._synchronizer.shouldWait(i,a.timestamp)&&await this._synchronizer.wait(a.timestamp),await this._checkpoint(r,a.timestamp)}t.close(),this._synchronizer.closeTrack(i)})}let m=null;t.group||this._composable||(m=new o_);let f=await e.getLanguageCode();this.output.addAudioTrack(r,{languageCode:(0,B.Nu)(f)?f:void 0,name:await e.getName()??void 0,disposition:await e.getDisposition(),group:m??t.group}),this.utilizedTracks.push(e),this._outputTrackIds.push(i),this._outputOwnTrackGroups.push(m)}async _registerAudioSample(e,t,i,r,a){this._reportProgress(r,t.timestamp+t.duration),await i.add(t),t.close();let s=a();null!==s&&(this._synchronizer.shouldWait(r,s)&&await this._synchronizer.wait(s),await this._checkpoint(e,s))}_registerTrackPump(e){let t={done:!1,resolvers:(0,B.nJ)(),wake:null,start:()=>{e(t).then(()=>{t.done=!0,t.resolvers.resolve()},e=>{t.resolvers.reject(e)})}};this._trackPumps.push(t)}async _checkpoint(e,t){for(;"canceled"!==this.state&&(t>=this._executionUntil||this._pauseRequested);){e.resolvers.resolve();let{promise:t,resolve:i}=(0,B.nJ)();e.wake=i,await t}}_reportProgress(e,t){if(!this._computeProgress)return;(0,B.vA)(null!==this._totalDuration),this._maxTimestamps.set(e,Math.max(t,this._maxTimestamps.get(e)));let i=Math.min(...this._maxTimestamps.values()),r=(0,B.qE)(i/this._totalDuration,0,1);r!==this._lastProgress&&(this._lastProgress=r,this.onProgress?.(r,i))}}

17class oR extends Error{constructor(e="Conversion has been canceled."){super(e),this.name="ConversionCanceledError"}}class oD{constructor(e){this.maxTimestamps=new Map,this.resolvers=[],this.conversion=e}declareTrack(e){this.maxTimestamps.set(e,0)}shouldWait(e,t){let i=this.maxTimestamps.get(e);(0,B.vA)(void 0!==i),this.maxTimestamps.set(e,Math.max(t,i));let r=this.computeMinAndMaybeResolve();return"canceled"!==this.conversion.state&&!this.conversion._pauseRequested&&!(t>=this.conversion._executionUntil)&&t-r>1}wait(e){let{promise:t,resolve:i}=(0,B.nJ)();return this.resolvers.push({timestamp:e,resolve:i}),t}closeTrack(e){this.maxTimestamps.delete(e),this.computeMinAndMaybeResolve()}resolveAll(){for(let e of this.resolvers)e.resolve();this.resolvers.length=0}computeMinAndMaybeResolve(){let e=1/0;for(let[,t]of this.maxTimestamps)e=Math.min(e,t);for(let t=0;t<this.resolvers.length;t++){let i=this.resolvers[t];i.timestamp-e<1&&(i.resolve(),this.resolvers.splice(t,1),t--)}return e}}let oU=Symbol.for("mediabunny loaded");globalThis[oU]&&E.y._error("[WARNING]\nMediabunny was loaded twice. This will likely cause Mediabunny not to work correctly. Check if multiple dependencies are importing different versions of Mediabunny, or if something is being bundled incorrectly."),globalThis[oU]=!0}}]);

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.