https://motif-self.vercel.app/assets/MIDIService-CF3kZgy9.js

1var re=Object.defineProperty;var ne=(e,t,r)=>t in e?re(e,t,{enumerable:!0,configurable:!0,writable:!0,value:r}):e[t]=r;var $=(e,t,r)=>ne(e,typeof t!="symbol"?t+"":t,r);(function(){const t=document.createElement("link").relList;if(t&&t.supports&&t.supports("modulepreload"))return;for(const a of document.querySelectorAll('link[rel="modulepreload"]'))i(a);new MutationObserver(a=>{for(const o of a)if(o.type==="childList")for(const n of o.addedNodes)n.tagName==="LINK"&&n.rel==="modulepreload"&&i(n)}).observe(document,{childList:!0,subtree:!0});function r(a){const o={};return a.integrity&&(o.integrity=a.integrity),a.referrerPolicy&&(o.referrerPolicy=a.referrerPolicy),a.crossOrigin==="use-credentials"?o.credentials="include":a.crossOrigin==="anonymous"?o.credentials="omit":o.credentials="same-origin",o}function i(a){if(a.ep)return;a.ep=!0;const o=r(a);fetch(a.href,o)}})();var M=typeof globalThis<"u"?globalThis:typeof window<"u"?window:typeof global<"u"?global:typeof self<"u"?self:{};function Ze(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}function ie(e){if(e.__esModule)return e;var t=e.default;if(typeof t=="function"){var r=function i(){return this instanceof i?Reflect.construct(t,arguments,this.constructor):t.apply(this,arguments)};r.prototype=t.prototype}else r={};return Object.defineProperty(r,"__esModule",{value:!0}),Object.keys(e).forEach(function(i){var a=Object.getOwnPropertyDescriptor(e,i);Object.defineProperty(r,i,a.get?a:{enumerable:!0,get:function(){return e[i]}})}),r}var G={},E={};function ae(e){var t=new k(e),r=t.readChunk();if(r.id!="MThd")throw"Bad MIDI file.  Expected 'MHdr', got: '"+r.id+"'";for(var i=oe(r.data),a=[],o=0;!t.eof()&&o<i.numTracks;o++){var n=t.readChunk();if(n.id!="MTrk")throw"Bad MIDI file.  Expected 'MTrk', got: '"+n.id+"'";var f=se(n.data);a.push(f)}return{header:i,tracks:a}}function oe(e){var t=new k(e),r=t.readUInt16(),i=t.readUInt16(),a={format:r,numTracks:i},o=t.readUInt16();return o&32768?(a.framesPerSecond=256-(o>>8),a.ticksPerFrame=o&255):a.ticksPerBeat=o,a}function se(e){for(var t=new k(e),r=[];!t.eof();){var i=o();r.push(i)}return r;var a;function o(){var n={};n.deltaTime=t.readVarInt();var f=t.readUInt8();if((f&240)===240)if(f===255){n.meta=!0;var c=t.readUInt8(),u=t.readVarInt();switch(c){case 0:if(n.type="sequenceNumber",u!==2)throw"Expected length for sequenceNumber event is 2, got "+u;return n.number=t.readUInt16(),n;case 1:return n.type="text",n.text=t.readString(u),n;case 2:return n.type="copyrightNotice",n.text=t.readString(u),n;case 3:return n.type="trackName",n.text=t.readString(u),n;case 4:return n.type="instrumentName",n.text=t.readString(u),n;case 5:return n.type="lyrics",n.text=t.readString(u),n;case 6:return n.type="marker",n.text=t.readString(u),n;case 7:return n.type="cuePoint",n.text=t.readString(u),n;case 32:if(n.type="channelPrefix",u!=1)throw"Expected length for channelPrefix event is 1, got "+u;return n.channel=t.readUInt8(),n;case 33:if(n.type="portPrefix",u!=1)throw"Expected length for portPrefix event is 1, got "+u;return n.port=t.readUInt8(),n;case 47:if(n.type="endOfTrack",u!=0)throw"Expected length for endOfTrack event is 0, got "+u;return n;case 81:if(n.type="setTempo",u!=3)throw"Expected length for setTempo event is 3, got "+u;return n.microsecondsPerBeat=t.readUInt24(),n;case 84:if(n.type="smpteOffset",u!=5)throw"Expected length for smpteOffset event is 5, got "+u;var m=t.readUInt8(),d={0:24,32:25,64:29,96:30};return n.frameRate=d[m&96],n.hour=m&31,n.min=t.readUInt8(),n.sec=t.readUInt8(),n.frame=t.readUInt8(),n.subFrame=t.readUInt8(),n;case 88:if(n.type="timeSignature",u!=2&&u!=4)throw"Expected length for timeSignature event is 4 or 2, got "+u;return n.numerator=t.readUInt8(),n.denominator=1<<t.readUInt8(),u===4?(n.metronome=t.readUInt8(),n.thirtyseconds=t.readUInt8()):(n.metronome=36,n.thirtyseconds=8),n;case 89:if(n.type="keySignature",u!=2)throw"Expected length for keySignature event is 2, got "+u;return n.key=t.readInt8(),n.scale=t.readUInt8(),n;case 127:return n.type="sequencerSpecific",n.data=t.readBytes(u),n;default:return n.type="unknownMeta",n.data=t.readBytes(u),n.metatypeByte=c,n}}else if(f==240){n.type="sysEx";var u=t.readVarInt();return n.data=t.readBytes(u),n}else if(f==247){n.type="endSysEx";var u=t.readVarInt();return n.data=t.readBytes(u),n}else throw"Unrecognised MIDI event type byte: "+f;else{var s;if(f&128)s=t.readUInt8(),a=f;else{if(a===null)throw"Running status byte encountered before status byte";s=f,f=a,n.running=!0}var h=f>>4;switch(n.channel=f&15,h){case 8:return n.type="noteOff",n.noteNumber=s,n.velocity=t.readUInt8(),n;case 9:var y=t.readUInt8();return n.type=y===0?"noteOff":"noteOn",n.noteNumber=s,n.velocity=y,y===0&&(n.byte9=!0),n;case 10:return n.type="noteAftertouch",n.noteNumber=s,n.amount=t.readUInt8(),n;case 11:return n.type="controller",n.controllerType=s,n.value=t.readUInt8(),n;case 12:return n.type="programChange",n.programNumber=s,n;case 13:return n.type="channelAftertouch",n.amount=s,n;case 14:return n.type="pitchBend",n.value=s+(t.readUInt8()<<7)-8192,n;default:throw"Unrecognised MIDI event type: "+h}}}}function k(e){this.buffer=e,this.bufferLen=this.buffer.length,this.pos=0}k.prototype.eof=function(){return this.pos>=this.bufferLen};k.prototype.readUInt8=function(){var e=this.buffer[this.pos];return this.pos+=1,e};k.prototype.readInt8=function(){var e=this.readUInt8();return e&128?e-256:e};k.prototype.readUInt16=function(){var e=this.readUInt8(),t=this.readUInt8();return(e<<8)+t};k.prototype.readInt16=function(){var e=this.readUInt16();return e&32768?e-65536:e};k.prototype.readUInt24=function(){var 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i=t.format==null?1:t.format,a=128;t.timeDivision?a=t.timeDivision:t.ticksPerFrame&&t.framesPerSecond?a=-(t.framesPerSecond&255)<<8|t.ticksPerFrame&255:t.ticksPerBeat&&(a=t.ticksPerBeat&32767);var o=new g;o.writeUInt16(i),o.writeUInt16(r),o.writeUInt16(a),e.writeChunk("MThd",o.buffer)}function he(e,t,r){var i=new g,a,o=t.length,n=null;for(a=0;a<o;a++)(r.running===!1||!r.running&&!t[a].running)&&(n=null),n=le(i,t[a],n,r.useByte9ForNoteOff);e.writeChunk("MTrk",i.buffer)}

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1(function(e){Object.defineProperty(e,"__esModule",{value:!0}),e.Header=e.keySignatureKeys=void 0;var t=S,r=new WeakMap;e.keySignatureKeys=["Cb","Gb","Db","Ab","Eb","Bb","F","C","G","D","A","E","B","F#","C#"];var i=function(){function a(o){var n=this;if(this.tempos=[],this.timeSignatures=[],this.keySignatures=[],this.meta=[],this.name="",r.set(this,480),o){r.set(this,o.header.ticksPerBeat),o.tracks.forEach(function(c){c.forEach(function(u){u.meta&&(u.type==="timeSignature"?n.timeSignatures.push({ticks:u.absoluteTime,timeSignature:[u.numerator,u.denominator]}):u.type==="setTempo"?n.tempos.push({bpm:6e7/u.microsecondsPerBeat,ticks:u.absoluteTime}):u.type==="keySignature"&&n.keySignatures.push({key:e.keySignatureKeys[u.key+7],scale:u.scale===0?"major":"minor",ticks:u.absoluteTime}))})});var f=0;o.tracks[0].forEach(function(c){f+=c.deltaTime,c.meta&&(c.type==="trackName"?n.name=c.text:(c.type==="text"||c.type==="cuePoint"||c.type==="marker"||c.type==="lyrics")&&n.meta.push({text:c.text,ticks:f,type:c.type}))}),this.update()}}return a.prototype.update=function(){var o=this,n=0,f=0;this.tempos.sort(function(c,u){return c.ticks-u.ticks}),this.tempos.forEach(function(c,u){var m=u>0?o.tempos[u-1].bpm:o.tempos[0].bpm,d=c.ticks/o.ppq-f,s=60/m*d;c.time=s+n,n=c.time,f+=d}),this.timeSignatures.sort(function(c,u){return c.ticks-u.ticks}),this.timeSignatures.forEach(function(c,u){var m=u>0?o.timeSignatures[u-1]:o.timeSignatures[0],d=(c.ticks-m.ticks)/o.ppq,s=d/m.timeSignature[0]/(m.timeSignature[1]/4);m.measures=m.measures||0,c.measures=s+m.measures})},a.prototype.ticksToSeconds=function(o){var n=(0,t.search)(this.tempos,o);if(n!==-1){var f=this.tempos[n],c=f.time,u=(o-f.ticks)/this.ppq;return c+60/f.bpm*u}else{var m=o/this.ppq;return 60/120*m}},a.prototype.ticksToMeasures=function(o){var n=(0,t.search)(this.timeSignatures,o);if(n!==-1){var f=this.timeSignatures[n],c=(o-f.ticks)/this.ppq;return f.measures+c/(f.timeSignature[0]/f.timeSignature[1])/4}else return o/this.ppq/4},Object.defineProperty(a.prototype,"ppq",{get:function(){return r.get(this)},enumerable:!1,configurable:!0}),a.prototype.secondsToTicks=function(o){var n=(0,t.search)(this.tempos,o,"time");if(n!==-1){var f=this.tempos[n],c=f.time,u=o-c,m=u/(60/f.bpm);return Math.round(f.ticks+m*this.ppq)}else{var d=o/.5;return Math.round(d*this.ppq)}},a.prototype.toJSON=function(){return{keySignatures:this.keySignatures,meta:this.meta,name:this.name,ppq:this.ppq,tempos:this.tempos.map(function(o){return{bpm:o.bpm,ticks:o.ticks}}),timeSignatures:this.timeSignatures}},a.prototype.fromJSON=function(o){this.name=o.name,this.tempos=o.tempos.map(function(n){return Object.assign({},n)}),this.timeSignatures=o.timeSignatures.map(function(n){return Object.assign({},n)}),this.keySignatures=o.keySignatures.map(function(n){return Object.assign({},n)}),this.meta=o.meta.map(function(n){return Object.assign({},n)}),r.set(this,o.ppq),this.update()},a.prototype.setTempo=function(o){this.tempos=[{bpm:o,ticks:0}],this.update()},a}();e.Header=i})(_);var P={},K={};(function(e){Object.defineProperty(e,"__esModule",{value:!0}),e.ControlChange=e.controlChangeIds=e.controlChangeNames=void 0,e.controlChangeNames={1:"modulationWheel",2:"breath",4:"footController",5:"portamentoTime",7:"volume",8:"balance",10:"pan",64:"sustain",65:"portamentoTime",66:"sostenuto",67:"softPedal",68:"legatoFootswitch",84:"portamentoControl"},e.controlChangeIds=Object.keys(e.controlChangeNames).reduce(function(a,o){return a[e.controlChangeNames[o]]=o,a},{});var t=new WeakMap,r=new WeakMap,i=function(){function a(o,n){t.set(this,n),r.set(this,o.controllerType),this.ticks=o.absoluteTime,this.value=o.value}return Object.defineProperty(a.prototype,"number",{get:function(){return r.get(this)},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"name",{get:function(){return e.controlChangeNames[this.number]?e.controlChangeNames[this.number]:null},enumerable:!1,configurable:!0}),Object.defineProperty(a.prototype,"time",{get:function(){var o=t.get(this);return o.ticksToSeconds(this.ticks)},set:function(o){var n=t.get(this);this.ticks=n.secondsToTicks(o)}

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