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m={buffer:l.buffer,channelCount:l.channelCount,channelCountMode:l.channelCountMode,channelInterpretation:l.channelInterpretation,loop:l.loop,loopEnd:l.loopEnd,loopStart:l.loopStart,playbackRate:l.playbackRate.value};l=t(d,m),a!==null&&l.start(...a),c!==null&&l.stop(c)}return s.set(d,l),p?await e(d,u.playbackRate,l.playbackRate):await r(d,u.playbackRate,l.playbackRate),await o(u,d,l),l};return{set start(u){a=u},set stop(u){c=u},render(u,d){const l=s.get(d);return l!==void 0?Promise.resolve(l):i(u,d)}}},ao=e=>"playbackRate"in e,io=e=>"frequency"in e&&"gain"in e,co=e=>"offset"in e,uo=e=>!("frequency"in e)&&"gain"in e,lo=e=>"detune"in e&&"frequency"in e,fo=e=>"pan"in e,z=e=>K(cn,e),Te=e=>K(ln,e),pt=(e,t)=>{const{activeInputs:n}=z(e);n.forEach(o=>o.forEach(([s])=>{t.includes(e)||pt(s,[...t,e])}));const r=ao(e)?[e.playbackRate]:gn(e)?Array.from(e.parameters.values()):io(e)?[e.Q,e.detune,e.frequency,e.gain]:co(e)?[e.offset]:uo(e)?[e.gain]:lo(e)?[e.detune,e.frequency]:fo(e)?[e.pan]:[];for(const o of r){const s=Te(o);s!==void 0&&s.activeInputs.forEach(([a])=>pt(a,t))}oe(e)&&He(e)},ho=e=>{pt(e.destination,[])},po=e=>e===void 0||typeof e=="number"||typeof e=="string"&&(e==="balanced"||e==="interactive"||e==="playback"),mo=(e,t,n,r,o,s,a,c)=>class extends e{constructor(u,d){const l=s(u),p=a(l),m=o(l,d,p),w=p?t(c):null;super(u,!1,m,w),this._isNodeOfNativeOfflineAudioContext=p,this._nativeAudioDestinationNode=m}get channelCount(){return this._nativeAudioDestinationNode.channelCount}set channelCount(u){if(this._isNodeOfNativeOfflineAudioContext)throw r();if(u>this._nativeAudioDestinationNode.maxChannelCount)throw n();this._nativeAudioDestinationNode.channelCount=u}get channelCountMode(){return this._nativeAudioDestinationNode.channelCountMode}set channelCountMode(u){if(this._isNodeOfNativeOfflineAudioContext)throw r();this._nativeAudioDestinationNode.channelCountMode=u}get maxChannelCount(){return this._nativeAudioDestinationNode.maxChannelCount}},go=e=>{const t=new WeakMap,n=async(r,o)=>{const s=o.destination;return t.set(o,s),await e(r,o,s),s};return{render(r,o){const s=t.get(o);return s!==void 0?Promise.resolve(s):n(r,o)}}},wo=(e,t,n,r,o,s,a,c)=>(i,u)=>{const d=u.listener,l=()=>{const v=new Float32Array(1),E=t(u,{channelCount:1,channelCountMode:"explicit",channelInterpretation:"speakers",numberOfInputs:9}),y=a(u);let C=!1,N=[0,0,-1,0,1,0],I=[0,0,0];const M=()=>{if(C)return;C=!0;const U=r(u,256,9,0);U.onaudioprocess=({inputBuffer:R})=>{const P=[s(R,v,0),s(R,v,1),s(R,v,2),s(R,v,3),s(R,v,4),s(R,v,5)];P.some((S,L)=>S!==N[L])&&(d.setOrientation(...P),N=P);const 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c=a.filter(i=>i.output!==o&&(i.input!==s||s===void 0));c.length===0?t.delete(r):t.set(r,c)}}for(const[a,c]of t)c.forEach(i=>{Ve(a)?e.connect(a,i.output,i.input):e.connect(a,i.output)})})(e.disconnect)},yo=(e,t,n,r)=>{const{activeInputs:o,passiveInputs:s}=Te(t),{outputs:a}=z(e),c=be(e),i=u=>{const d=X(e),l=Ee(t);if(u){const p=En(s,e,n);Xt(o,e,p,!1),!r&&!ce(e)&&d.connect(l,n)}else{const p=vo(o,e,n);Zt(s,p,!1),!r&&!ce(e)&&d.disconnect(l,n)}};return le(a,[t,n],u=>u[0]===t&&u[1]===n,!0)?(c.add(i),oe(e)?Xt(o,e,[n,i],!0):Zt(s,[e,n,i],!0),!0):!1},Eo=(e,t,n,r)=>{const{activeInputs:o,passiveInputs:s}=z(t),a=_n(o[r],e,n);return a===null?[mn(s,e,n,r)[2],!1]:[a[2],!0]},Ao=(e,t,n)=>{const{activeInputs:r,passiveInputs:o}=Te(t),s=_n(r,e,n);return s===null?[En(o,e,n)[1],!1]:[s[2],!0]},Et=(e,t,n,r,o)=>{const[s,a]=Eo(e,n,r,o);if(s!==null&&(yn(e,s),a&&!t&&!ce(e)&&gt(X(e),X(n),r,o)),oe(n)){const{activeInputs:c}=z(n);ht(n,c)}},At=(e,t,n,r)=>{const[o,s]=Ao(e,n,r);o!==null&&(yn(e,o),s&&!t&&!ce(e)&&X(e).disconnect(Ee(n),r))},bo=(e,t)=>{const n=z(e),r=[];for(const o of n.outputs)Me(o)?Et(e,t,...o):At(e,t,...o),r.push(o[0]);return n.outputs.clear(),r},Co=(e,t,n)=>{const r=z(e),o=[];for(const s of r.outputs)s[1]===n&&(Me(s)?Et(e,t,...s):At(e,t,...s),o.push(s[0]),r.outputs.delete(s));return o},To=(e,t,n,r,o)=>{const s=z(e);return Array.from(s.outputs).filter(a=>a[0]===n&&(r===void 0||a[1]===r)&&(o===void 0||a[2]===o)).map(a=>(Me(a)?Et(e,t,...a):At(e,t,...a),s.outputs.delete(a),a[0]))},Mo=(e,t,n,r,o,s,a,c,i,u,d,l,p,m,w,f)=>class extends u{constructor(g,_,A,T){super(A),this._context=g,this._nativeAudioNode=A;const v=d(g);l(v)&&n(Kt,()=>Kt(v,f))!==!0&&_o(A),un.set(this,A),hn.set(this,new Set),g.state!=="closed"&&_&&ye(this),e(this,T,A)}get channelCount(){return this._nativeAudioNode.channelCount}set channelCount(g){this._nativeAudioNode.channelCount=g}get channelCountMode(){return this._nativeAudioNode.channelCountMode}set channelCountMode(g){this._nativeAudioNode.channelCountMode=g}get channelInterpretation(){return this._nativeAudioNode.channelInterpretation}set channelInterpretation(g){this._nativeAudioNode.channelInterpretation=g}get context(){return this._context}get numberOfInputs(){return this._nativeAudioNode.numberOfInputs}get numberOfOutputs(){return this._nativeAudioNode.numberOfOutputs}connect(g,_=0,A=0){if(_<0||_>=this._nativeAudioNode.numberOfOutputs)throw o();const T=d(this._context),v=w(T);if(p(g)||m(g))throw s();if(We(g)){const C=X(g);try{const I=mt(this._nativeAudioNode,C,_,A),M=Pe(this);(v||M)&&this._nativeAudioNode.disconnect(...I),this.context.state!=="closed"&&!M&&Pe(g)&&ye(g)}catch(I){throw I.code===12?s():I}if(t(this,g,_,A,v)){const I=i([this],g);ot(I,r(v))}return g}const E=Ee(g);if(E.name==="playbackRate"&&E.maxValue===1024)throw a();try{this._nativeAudioNode.connect(E,_),(v||Pe(this))&&this._nativeAudioNode.disconnect(E,_)}catch(C){throw C.code===12?s():C}if(yo(this,g,_,v)){const C=i([this],g);ot(C,r(v))}}disconnect(g,_,A){let T;const v=d(this._context),E=w(v);if(g===void 0)T=bo(this,E);else if(typeof g=="number"){if(g<0||g>=this.numberOfOutputs)throw o();T=Co(this,E,g)}else{if(_!==void 0&&(_<0||_>=this.numberOfOutputs)||We(g)&&A!==void 0&&(A<0||A>=g.numberOfInputs))throw o();if(T=To(this,E,g,_,A),T.length===0)throw s()}for(const y of T){const C=i([this],y);ot(C,c)}}},No=(e,t,n,r,o,s,a,c,i,u,d,l,p)=>(m,w,f,h=null,g=null)=>{const _=new Dr(f.defaultValue),A=w?r(_):null,T={get defaultValue(){return f.defaultValue},get maxValue(){return h===null?f.maxValue:h},get minValue(){return g===null?f.minValue:g},get value(){return f.value},set value(v){f.value=v,T.setValueAtTime(v,m.context.currentTime)},cancelAndHoldAtTime(v){if(typeof f.cancelAndHoldAtTime=="function")A===null&&_.flush(m.context.currentTime),_.add(o(v)),f.cancelAndHoldAtTime(v);else{const E=Array.from(_).pop();A===null&&_.flush(m.context.currentTime),_.add(o(v));const y=Array.from(_).pop();f.cancelScheduledValues(v),E!==y&&y!==void 0&&(y.type==="exponentialRampToValue"?f.exponentialRampToValueAtTime(y.value,y.endTime):y.type==="linearRampToValue"?f.linearRampToValueAtTime(y.value,y.endTime):y.type==="setValue"?f.setValueAtTime(y.value,y.startTime):y.type==="setValueCurve"&&f.setValueCurveAtTime(y.values,y.startTime,y.duration))}return T},cancelScheduledValues(v){return A===null&&_.flush(m.context.currentTime),_.add(s(v)),f.cancelScheduledValues(v),T},exponentialRampToValueAtTime(v,E){if(v===0)throw new RangeError;if(!Number.isFinite(E)||E<0)throw new RangeError;return A===null&&_.flush(m.context.currentTime),_.add(a(v,E)),f.exponentialRampToValueAtTime(v,E),T},linearRampToValueAtTime(v,E){return A===null&&_.flush(m.context.currentTime),_.add(c(v,E)),f.linearRampToValueAtTime(v,E),T},setTargetAtTime(v,E,y){return A===null&&_.flush(m.context.currentTime),_.add(i(v,E,y)),f.setTargetAtTime(v,E,y),T},setValueAtTime(v,E){return A===null&&_.flush(m.context.currentTime),_.add(u(v,E)),f.setValueAtTime(v,E),T},setValueCurveAtTime(v,E,y){const C=v instanceof Float32Array?v:new Float32Array(v);if(l!==null&&l.name==="webkitAudioContext"){const N=E+y,I=m.context.sampleRate,M=Math.ceil(E*I),x=Math.floor(N*I),k=x-M,B=new Float32Array(k);for(let R=0;R<k;R+=1){const P=(C.length-1)/y*((M+R)/I-E),D=Math.floor(P),S=Math.ceil(P);B[R]=D===S?C[D]:(1-(P-D))*C[D]+(1-(S-P))*C[S]}A===null&&_.flush(m.context.currentTime),_.add(d(B,E,y)),f.setValueCurveAtTime(B,E,y);const U=x/I;U<N&&p(T,B[B.length-1],U),p(T,C[C.length-1],N)}else A===null&&_.flush(m.context.currentTime),_.add(d(C,E,y)),f.setValueCurveAtTime(C,E,y);return T}};return n.set(T,f),t.set(T,m),e(T,A),T},So=e=>({replay(t){for(const n of e)if(n.type==="exponentialRampToValue"){const{endTime:r,value:o}=n;t.exponentialRampToValueAtTime(o,r)}else if(n.type==="linearRampToValue"){const{endTime:r,value:o}=n;t.linearRampToValueAtTime(o,r)}else if(n.type==="setTarget"){const{startTime:r,target:o,timeConstant:s}=n;t.setTargetAtTime(o,r,s)}else if(n.type==="setValue"){const{startTime:r,value:o}=n;t.setValueAtTime(o,r)}else if(n.type==="setValueCurve"){const{duration:r,startTime:o,values:s}=n;t.setValueCurveAtTime(s,o,r)}else throw new Error("Can't apply an unknown automation.")}});class An{constructor(t){this._map=new Map(t)}get size(){return this._map.size}entries(){return this._map.entries()}forEach(t,n=null){return this._map.forEach((r,o)=>t.call(n,r,o,this))}get(t){return this._map.get(t)}has(t){return this._map.has(t)}keys(){return this._map.keys()}values(){return this._map.values()}}const 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0?N:2;h=Promise.all([v(),m.then(()=>Ua(l,u,M,s,a))]).then(async([,{audioBufferSourceNode:k,encoderId:B,mediaStreamAudioSourceNode:U,port:R,recorderAudioWorkletNode:P}])=>{U.connect(P),await new Promise(S=>{k.onended=S,k.connect(P),k.start(u.currentTime+d/u.sampleRate)}),k.disconnect(P);const D=new Ea(u,{offset:0});return D.onended=()=>D.disconnect(),D.connect(u.destination),D.start(),await P.record(R),C!==void 0&&(g=T(B,C)),{constantSourceNode:D,encoderId:B,mediaStreamAudioSourceNode:U,recorderAudioWorkletNode:P}});const x=s.getTracks();w=()=>{E(),o.dispatchEvent(new ErrorEvent("error",{error:t()}))},s.addEventListener("addtrack",w),s.addEventListener("removetrack",w),f=setInterval(()=>{const k=s.getTracks();(k.length!==x.length||k.some((B,U)=>B!==x[U]))&&w!==null&&w()},1e3)},stop:E}};class st{constructor(t,n=0,r){if(n<0||r!==void 0&&r<0)throw new RangeError;const o=t.reduce((d,l)=>d+l.byteLength,0);if(n>o||r!==void 0&&n+r>o)throw new RangeError;const s=[],a=r===void 0?o-n:r,c=[];let i=0,u=n;for(const d of t)if(c.length===0)if(d.byteLength>u){i=d.byteLength-u;const l=i>a?a:i;s.push(new DataView(d,u,l)),c.push(d)}else u-=d.byteLength;else if(i<a){i+=d.byteLength;const l=i>a?d.byteLength-i+a:d.byteLength;s.push(new DataView(d,0,l)),c.push(d)}this._buffers=c,this._byteLength=a,this._byteOffset=u,this._dataViews=s,this._internalBuffer=new DataView(new ArrayBuffer(8))}get buffers(){return this._buffers}get byteLength(){return this._byteLength}get byteOffset(){return this._byteOffset}getFloat32(t,n){return this._internalBuffer.setUint8(0,this.getUint8(t+0)),this._internalBuffer.setUint8(1,this.getUint8(t+1)),this._internalBuffer.setUint8(2,this.getUint8(t+2)),this._internalBuffer.setUint8(3,this.getUint8(t+3)),this._internalBuffer.getFloat32(0,n)}getFloat64(t,n){return this._internalBuffer.setUint8(0,this.getUint8(t+0)),this._internalBuffer.setUint8(1,this.getUint8(t+1)),this._internalBuffer.setUint8(2,this.getUint8(t+2)),this._internalBuffer.setUint8(3,this.getUint8(t+3)),this._internalBuffer.setUint8(4,this.getUint8(t+4)),this._internalBuffer.setUint8(5,this.getUint8(t+5)),this._internalBuffer.setUint8(6,this.getUint8(t+6)),this._internalBuffer.setUint8(7,this.getUint8(t+7)),this._internalBuffer.getFloat64(0,n)}getInt16(t,n){return this._internalBuffer.setUint8(0,this.getUint8(t+0)),this._internalBuffer.setUint8(1,this.getUint8(t+1)),this._internalBuffer.getInt16(0,n)}getInt32(t,n){return this._internalBuffer.setUint8(0,this.getUint8(t+0)),this._internalBuffer.setUint8(1,this.getUint8(t+1)),this._internalBuffer.setUint8(2,this.getUint8(t+2)),this._internalBuffer.setUint8(3,this.getUint8(t+3)),this._internalBuffer.getInt32(0,n)}getInt8(t){const[n,r]=this._findDataViewWithOffset(t);return n.getInt8(t-r)}getUint16(t,n){return this._internalBuffer.setUint8(0,this.getUint8(t+0)),this._internalBuffer.setUint8(1,this.getUint8(t+1)),this._internalBuffer.getUint16(0,n)}getUint32(t,n){return this._internalBuffer.setUint8(0,this.getUint8(t+0)),this._internalBuffer.setUint8(1,this.getUint8(t+1)),this._internalBuffer.setUint8(2,this.getUint8(t+2)),this._internalBuffer.setUint8(3,this.getUint8(t+3)),this._internalBuffer.getUint32(0,n)}getUint8(t){const[n,r]=this._findDataViewWithOffset(t);return n.getUint8(t-r)}setFloat32(t,n,r){this._internalBuffer.setFloat32(0,n,r),this.setUint8(t,this._internalBuffer.getUint8(0)),this.setUint8(t+1,this._internalBuffer.getUint8(1)),this.setUint8(t+2,this._internalBuffer.getUint8(2)),this.setUint8(t+3,this._internalBuffer.getUint8(3))}setFloat64(t,n,r){this._internalBuffer.setFloat64(0,n,r),this.setUint8(t,this._internalBuffer.getUint8(0)),this.setUint8(t+1,this._internalBuffer.getUint8(1)),this.setUint8(t+2,this._internalBuffer.getUint8(2)),this.setUint8(t+3,this._internalBuffer.getUint8(3)),this.setUint8(t+4,this._internalBuffer.getUint8(4)),this.setUint8(t+5,this._internalBuffer.getUint8(5)),this.setUint8(t+6,this._internalBuffer.getUint8(6)),this.setUint8(t+7,this._internalBuffer.getUint8(7))}setInt16(t,n,r){this._internalBuffer.setInt16(0,n,r),this.setUint8(t,this._internalBuffer.getUint8(0)),this.setUint8(t+1,this._internalBuffer.getUint8(1))}setInt32(t,n,r){this._internalBuffer.setInt32(0,n,r),this.setUint8(t,this._internalBuffer.getUint8(0)),this.setUint8(t+1,this._internalBuffer.getUint8(1)),this.setUint8(t+2,this._internalBuffer.getUint8(2)),this.setUint8(t+3,this._internalBuffer.getUint8(3))}setInt8(t,n){const[r,o]=this._findDataViewWithOffset(t);r.setInt8(t-o,n)}setUint16(t,n,r){this._internalBuffer.setUint16(0,n,r),this.setUint8(t,this._internalBuffer.getUint8(0)),this.setUint8(t+1,this._internalBuffer.getUint8(1))}setUint32(t,n,r){this._internalBuffer.setUint32(0,n,r),this.setUint8(t,this._internalBuffer.getUint8(0)),this.setUint8(t+1,this._internalBuffer.getUint8(1)),this.setUint8(t+2,this._internalBuffer.getUint8(2)),this.setUint8(t+3,this._internalBuffer.getUint8(3))}setUint8(t,n){const[r,o]=this._findDataViewWithOffset(t);r.setUint8(t-o,n)}_findDataViewWithOffset(t){let n=0;for(const r of this._dataViews){const o=n+r.byteLength;if(t>=n&&t<o)return[r,n];n=o}throw new RangeError}}const Da=(e,t,n,r,o)=>(s,a,c,i)=>{const u=c.getAudioTracks(),d=[],l=u.length===0?void 0:u[0].getSettings().channelCount,p=new a(c,{mimeType:"audio/webm;codecs=pcm"}),m=u.length===0?void 0:u[0].getSettings().sampleRate;let w=null,f=()=>{};const h=A=>{s.dispatchEvent(e("dataavailable",{data:new Blob(A,{type:i})}))},g=async(A,T)=>{const v=await Ue(A,T);p.state==="inactive"?d.push(...v):(h(v),w=g(A,T))},_=()=>{p.state!=="inactive"&&(w!==null&&(w.catch(()=>{}),w=null),f(),f=()=>{},p.stop())};return p.addEventListener("error",()=>{_(),s.dispatchEvent(new ErrorEvent("error",{error:t()}))}),p.addEventListener("start",()=>s.dispatchEvent(new Event("start"))),{get mimeType(){return i},get state(){return p.state},pause(){return p.pause()},resume(){return p.resume()},start(A){if(c.getVideoTracks().length>0)throw n();if(p.state==="inactive"){if(m===void 0)throw new Error("The sampleRate is not defined.");let T=!1,v=!1,E=0,y=rn(i,m);f=()=>{v=!0};const C=on(p,"dataavailable")(({data:N})=>{E+=1,y=y.then(async({dataView:I=null,elementType:M=null,encoderId:x,port:k})=>{const B=await N.arrayBuffer();E-=1;const U=I===null?new st([B]):new st([...I.buffers,B],I.byteOffset);if(!T&&p.state==="recording"&&!v){const L=o(U,0);if(L===null)return{dataView:U,elementType:M,encoderId:x,port:k};const{value:W}=L;if(W!==172351395)return{dataView:I,elementType:M,encoderId:x,port:k};T=!0}const{currentElementType:R,offset:P,contents:D}=r(U,M,l),S=P<U.byteLength?new st(U.buffers,U.byteOffset+P):null;return D.forEach(L=>k.postMessage(L,L.map(({buffer:W})=>W))),E===0&&(p.state==="inactive"||v)&&(Ue(x,null).then(L=>{h([...d,...L]),d.length=0,s.dispatchEvent(new Event("stop"))}),k.postMessage([]),k.close(),C()),{dataView:S,elementType:R,encoderId:x,port:k}})});A!==void 0&&y.then(({encoderId:N})=>w=g(N,A))}p.start(100)},stop:_}},Wa=()=>typeof window>"u"?null:window,qn=(e,t)=>{if(t>=e.byteLength)return null;const n=e.getUint8(t);if(n>127)return 1;if(n>63)return 2;if(n>31)return 3;if(n>15)return 4;if(n>7)return 5;if(n>3)return 6;if(n>1)return 7;if(n>0)return 8;const r=qn(e,t+1);return r===null?null:r+8},Va=(e,t)=>n=>{const r={value:e};return Object.defineProperties(n,{currentTarget:r,target:r}),typeof t=="function"?t.call(e,n):t.handleEvent.call(e,n)},zn=[],et=Wa(),Fa=hr(et),Hn=ar(Fa),ja=Ba(Hn,vt,lr,$e),It=vr(qn),$a=gr(It),Ga=wr(It),qa=ir($a,Ga),za=Da(Hn,vt,$e,qa,It),Ha=ur(et),Ya=mr(et),Xa=pr(vt,$e),ui=fr(Xa,$e,ja,za,zn,cr(Ha,Va),Ya),li=()=>dr(et),di=async e=>{zn.push(await sr(e))};export{ui as MediaRecorder,li as isSupported,di as register};
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