wavefile - npm Package Compare versions

Comparing version 8.4.1 to 8.4.2

bin/wavefile.js

@@ -16,41 +16,41 @@ #!/usr/bin/env node
 const help = " Usage:\n" +
-	"\n" +
-	"  wavefile path/to/input.wav [...options] path/to/output.wav\n" +
-	"\n" +
-	" Available options:\n" +
-	"\n" +
-	"  --bitdepth   Ex: wavefile input.wav --bitdepth=32f output.wav\n" +
-	"               Change the bit depth.\n" +
-	"               The input file is not affected.\n" +
-	"               Possible values: 8, 16, 24, 32, 32f, 64\n" +
-	"\n" +
-	"  --compress   Ex: wavefile input.wav --compress=adpcm output.wav\n" +
-	"               Apply compression to the file.\n" +
-	"               The input file is not affected.\n" +
-	"               Possible values: adpcm, alaw, mulaw\n" +
-	"\n" +
-	"  --tag        Ex: wavefile input.wav --tag=ICRD\n" +
-	"               Print the value of tag if the tag exists.\n" +
-	"\n" +
-	"  --list-tags  Ex: wavefile input.wav --list-tags\n" +
-	"               Print all tags of the file.\n" +
-	"\n" +
-	"  --list-cue   Ex: wavefile input.wav --list-cue\n" +
-	"               Print all the cue points of the file.\n" +
-	"\n" +
-	"  --bits       Ex: wavefile input.wav --bits\n" +
-	"               Print the bit depth of the file.\n" +
-	"\n" +
-	"  --rate       Ex: wavefile input.wav --rate\n" +
-	"               Print the sample rate of the file.\n" +
-	"\n" +
-	"  --help       Ex: --help\n" +
-	"               Show this help page.\n" +
-	"\n";
+  "\n" +
+  "  wavefile path/to/input.wav [...options] path/to/output.wav\n" +
+  "\n" +
+  " Available options:\n" +
+  "\n" +
+  "  --bitdepth   Ex: wavefile input.wav --bitdepth=32f output.wav\n" +
+  "               Change the bit depth.\n" +
+  "               The input file is not affected.\n" +
+  "               Possible values: 8, 16, 24, 32, 32f, 64\n" +
+  "\n" +
+  "  --compress   Ex: wavefile input.wav --compress=adpcm output.wav\n" +
+  "               Apply compression to the file.\n" +
+  "               The input file is not affected.\n" +
+  "               Possible values: adpcm, alaw, mulaw\n" +
+  "\n" +
+  "  --tag        Ex: wavefile input.wav --tag=ICRD\n" +
+  "               Print the value of tag if the tag exists.\n" +
+  "\n" +
+  "  --list-tags  Ex: wavefile input.wav --list-tags\n" +
+  "               Print all tags of the file.\n" +
+  "\n" +
+  "  --list-cue   Ex: wavefile input.wav --list-cue\n" +
+  "               Print all the cue points of the file.\n" +
+  "\n" +
+  "  --bits       Ex: wavefile input.wav --bits\n" +
+  "               Print the bit depth of the file.\n" +
+  "\n" +
+  "  --rate       Ex: wavefile input.wav --rate\n" +
+  "               Print the sample rate of the file.\n" +
+  "\n" +
+  "  --help       Ex: --help\n" +
+  "               Show this help page.\n" +
+  "\n";
 
 // Help
 if (process.argv[2] == '-h' || process.argv[2] == '--help' || process.argv.length < 4) {
-	console.log(presentation);
-	console.log(help);
-	process.exit();
+  console.log(presentation);
+  console.log(help);
+  process.exit();
 }
@@ -71,7 +71,7 @@
 for (let arg=2; arg<process.argv.length; arg++) {
-	if (process.argv[arg].slice(0, 1) == '-') {
-		commands.push(process.argv[arg]);
-	} else {
-		files.push(process.argv[arg]);
-	}
+  if (process.argv[arg].slice(0, 1) == '-') {
+    commands.push(process.argv[arg]);
+  } else {
+    files.push(process.argv[arg]);
+  }
 }
@@ -88,48 +88,48 @@
 for (let command in commands) {
-	// --bitdepth
-	let splitCommand = commands[command].split("=");
-	if (splitCommand[0] == '--bitdepth') {
-		wav.toBitDepth(splitCommand[1]);
-		shouldWrite = true;
-	// --compress
-	} else if (splitCommand[0] == '--compress') {
-		if (splitCommand[1] == 'adpcm') {
-			wav.toIMAADPCM();
-			shouldWrite = true;
-		} else if (splitCommand[1] == 'alaw') {
-			wav.toALaw();
-			shouldWrite = true;
-		} else if (splitCommand[1] == 'mulaw') {
-			wav.toMuLaw();
-			shouldWrite = true;
-		}
-	// --tag
-	}else if (splitCommand[0] == '--tag') {
-		console.log(wav.getTag(splitCommand[1]));
-	// --list-tag
-	}else if (splitCommand[0] == '--list-tags') {
-		tags = wav.listTags();
-		for (var tag in tags) {
-	        if (tags.hasOwnProperty(tag)) {
-	           console.log(tag + ': ' + tags[tag]);
-	        }
-	    }
-	// --list-cue
-	}else if (splitCommand[0] == '--list-cue') {
-		console.log(wav.listCuePoints());
-	// --bits
-	}else if (splitCommand[0] == '--bits') {
-		if (wav.fmt.validBitsPerSample) {
-			console.log(wav.fmt.validBitsPerSample);
-		} else {
-			console.log(wav.fmt.bitPerSample);
-		}
-	// --rate
-	}else if (splitCommand[0] == '--rate') {
-		console.log(wav.fmt.sampleRate);
-	// error
-	} else {
-		console.log('ERROR: Bad option. Run wavefile -h to check the available options.');
-		process.exit();
-	}
+  // --bitdepth
+  let splitCommand = commands[command].split("=");
+  if (splitCommand[0] == '--bitdepth') {
+    wav.toBitDepth(splitCommand[1]);
+    shouldWrite = true;
+  // --compress
+  } else if (splitCommand[0] == '--compress') {
+    if (splitCommand[1] == 'adpcm') {
+      wav.toIMAADPCM();
+      shouldWrite = true;
+    } else if (splitCommand[1] == 'alaw') {
+      wav.toALaw();
+      shouldWrite = true;
+    } else if (splitCommand[1] == 'mulaw') {
+      wav.toMuLaw();
+      shouldWrite = true;
+    }
+  // --tag
+  } else if (splitCommand[0] == '--tag') {
+    console.log(wav.getTag(splitCommand[1]));
+  // --list-tag
+  } else if (splitCommand[0] == '--list-tags') {
+    tags = wav.listTags();
+    for (var tag in tags) {
+          if (tags.hasOwnProperty(tag)) {
+             console.log(tag + ': ' + tags[tag]);
+          }
+      }
+  // --list-cue
+  } else if (splitCommand[0] == '--list-cue') {
+    console.log(wav.listCuePoints());
+  // --bits
+  } else if (splitCommand[0] == '--bits') {
+    if (wav.fmt.validBitsPerSample) {
+      console.log(wav.fmt.validBitsPerSample);
+    } else {
+      console.log(wav.fmt.bitPerSample);
+    }
+  // --rate
+  } else if (splitCommand[0] == '--rate') {
+    console.log(wav.fmt.sampleRate);
+  // error
+  } else {
+    console.log('ERROR: Bad option. Run wavefile -h to check the available options.');
+    process.exit();
+  }
 }
@@ -139,7 +139,7 @@
 if (shouldWrite) {
-	if (files.length) {
-		for (let file in files) {
-			fs.writeFileSync(files[file], wav.toBuffer());
-		}
-	}
+  if (files.length) {
+    for (let file in files) {
+      fs.writeFileSync(files[file], wav.toBuffer());
+    }
+  }
 }

CHANGELOG.md

 # CHANGELOG
 
+## version 8.4.2 (2018-08-06)
+- Use ArrayBufferView to represent TypedArray in index.d.ts
+- Use WaveFile.prototype in externs/wavefile.js
+
 ## version 8.4.1 (2018-08-06)
@@ -4,0 +8,0 @@ - Update dependencies.

dist/wavefile.min.js

@@ -1,1 +0,64 @@
-var WaveFile=function(){"use strict";const t=new Float32Array(1);function e(t,e,h,u){r(e),r(h);let o=function(t,e){let r=function(t){return t};t!=e&&(r=["32f","64"].includes(t)?["32f","64"].includes(e)?a:i:["32f","64"].includes(e)?s:n);return r}(e,h),l={oldMin:Math.pow(2,parseInt(e,10))/2,newMin:Math.pow(2,parseInt(h,10))/2,oldMax:Math.pow(2,parseInt(e,10))/2-1,newMax:Math.pow(2,parseInt(h,10))/2-1};const c=t.length;if("8"==e)for(let e=0;e<c;e++)u[e]=t[e]-=128;for(let e=0;e<c;e++)u[e]=o(t[e],l);if("8"==h)for(let t=0;t<c;t++)u[t]=u[t]+=128}function n(t,e){return t=t>0?parseInt(t/e.oldMax*e.newMax,10):parseInt(t/e.oldMin*e.newMin,10)}function i(t,e){return parseInt(t>0?t*e.newMax:t*e.newMin,10)}function s(t,e){return t>0?t/e.oldMax:t/e.oldMin}function a(e){return t[0]=e,t[0]}function r(t){if("32f"!=t&&"64"!=t&&(parseInt(t,10)<"8"||parseInt(t,10)>"53"))throw new Error("Invalid bit depth.")}const h=[-1,-1,-1,-1,2,4,6,8,-1,-1,-1,-1,2,4,6,8],u=[7,8,9,10,11,12,13,14,16,17,19,21,23,25,28,31,34,37,41,45,50,55,60,66,73,80,88,97,107,118,130,143,157,173,190,209,230,253,279,307,337,371,408,449,494,544,598,658,724,796,876,963,1060,1166,1282,1411,1552,1707,1878,2066,2272,2499,2749,3024,3327,3660,4026,4428,4871,5358,5894,6484,7132,7845,8630,9493,10442,11487,12635,13899,15289,16818,18500,20350,22385,24623,27086,29794,32767];let o=0,l=0,c=0,d=0,f=7;function m(t){let e=function(t){k(t);let e=[];return e.push(255&t),e.push(t>>8&255),e.push(l),e.push(0),e}(t[0]);for(let n=3;n<t.length;n+=2){let i=k(t[n]),s=k(t[n+1]);e.push(s<<4|i)}for(;e.length<256;)e.push(0);return e}function p(t){c=b(t[1]<<8|t[0]),d=t[2],f=u[d];let e=[c,b(t[3]<<8|t[2])];for(let n=4;n<t.length;n++){let i=t[n],s=i>>4,a=s<<4^i;e.push(S(a)),e.push(S(s))}return e}function b(t){return t>32768?t-65536:t}function k(t){let e=t-o,n=0;e>=0?n=0:(n=8,e=-e);let i=u[l],s=i>>3;return e>i&&(n|=4,e-=i,s+=i),e>(i>>=1)&&(n|=2,e-=i,s+=i),e>(i>>=1)&&(n|=1,s+=i),function(t,e){8&t?o-=e:o+=e;o<-32768?o=-32768:o>32767&&(o=32767);(l+=h[7&t])<0?l=0:l>88&&(l=88)}(n,s),n}function S(t){let e=0;return 4&t&&(e+=f),2&t&&(e+=f>>1),1&t&&(e+=f>>2),e+=f>>3,8&t&&(e=-e),(c+=e)>32767?c=32767:c<-32767&&(c=-32767),function(t){(d+=h[t])<0?d=0:d>88&&(d=88);f=u[d]}(t),c}const g=[1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7];function w(t){let e,n=~(t=-32768==t?-32767:t)>>8&128;if(n||(t*=-1),t>32635&&(t=32635),t>=256){let n=g[t>>8&127];e=n<<4|t>>n+3&15}else e=t>>4;return 85^e^n}function I(t){let e=0;128&(t^=85)&&(t&=-129,e=-1);let n=4+((240&t)>>4),i=0;return i=4!=n?1<<n|(15&t)<<n-4|1<<n-5:t<<1|1,8*(i=0===e?i:-i)*-1}const _=132,C=32635,T=[0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7],L=[0,132,396,924,1980,4092,8316,16764];function x(t){let e,n,i,s;return 0!=(e=t>>8&128)&&(t=-t),t>C&&(t=C),s=~(e|(n=T[(t+=_)>>7&255])<<4|(i=t>>n+3&15))}function z(t){let e,n,i,s;return e=128&(t=~t),i=15&t,s=L[n=t>>4&7]+(i<<n+3),0!=e&&(s=-s),s}const y="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",P=new Uint8Array(256);for(let t=0;t<y.length;t++)P[y.charCodeAt(t)]=t;const M=function(t,e,n){const i=new Uint8Array(t,e,n),s=i.length;let a="";for(let t=0;t<s;t+=3)a+=y[i[t]>>2],a+=y[(3&i[t])<<4|i[t+1]>>4],a+=y[(15&i[t+1])<<2|i[t+2]>>6],a+=y[63&i[t+2]];return s%3==2?a=a.substring(0,a.length-1)+"=":s%3==1&&(a=a.substring(0,a.length-2)+"=="),a},D=function(t){const e=t.length;let n,i,s,a,r=.75*t.length,h=0;"="===t[t.length-1]&&(r--,"="===t[t.length-2]&&r--);const u=new ArrayBuffer(r),o=new Uint8Array(u);for(let r=0;r<e;r+=4)n=P[t.charCodeAt(r)],i=P[t.charCodeAt(r+1)],s=P[t.charCodeAt(r+2)],a=P[t.charCodeAt(r+3)],o[h++]=n<<2|i>>4,o[h++]=(15&i)<<4|s>>2,o[h++]=(3&s)<<6|63&a;return u};function A(t,e,n){e--;for(let i=0;i<e;i++){let s=t[n+i];t[n+i]=t[n+e],t[n+e]=s,e--}}function v(t,e,n=0){for(let i=0,s=t.length;i<s;i++){let s=t.codePointAt(i);if(s<128)e[n]=s,n++;else{let t=0,a=0;for(s<=2047?(t=1,a=192):s<=65535?(t=2,a=224):s<=1114111&&(t=3,a=240,i++),e[n]=(s>>6*t)+a,n++;t>0;)e[n]=128|s>>6*(t-1)&63,n++,t--}}return n}const F="Unsupported type";function R(t){B(t),t==t&&t!==1/0&&t!==-1/0||E("integer")}function B(t){null==t&&E(),t.constructor!=Number&&t.constructor!=Boolean&&E()}function E(t="valid number"){throw new Error("Argument is not a "+t)}class N{constructor(t,e){this.ebits=t,this.fbits=e,this.bias=(1<<t-1)-1,this.numBytes=Math.ceil((t+e)/8),this.biasP2=Math.pow(2,this.bias+1),this.ebitsFbits=t+e,this.fbias=Math.pow(2,-(8*this.numBytes-1-t))}pack(t,e,n){Math.abs(e)>this.biasP2-2*this.ebitsFbits&&(e=e<0?-1/0:1/0);let i=((e=+e)||1/e)<0?1:e<0?1:0;e=Math.abs(e);let s=Math.min(Math.floor(Math.log(e)/Math.LN2),1023),a=this.roundToEven(e/Math.pow(2,s)*Math.pow(2,this.fbits));return e!=e?(a=Math.pow(2,this.fbits-1),s=(1<<this.ebits)-1):0!==e&&(e>=Math.pow(2,1-this.bias)?(a/Math.pow(2,this.fbits)>=2&&(s+=1,a=1),s>this.bias?(s=(1<<this.ebits)-1,a=0):(s+=this.bias,a=this.roundToEven(a)-Math.pow(2,this.fbits))):(a=this.roundToEven(e/Math.pow(2,1-this.bias-this.fbits)),s=0)),this.packFloatBits_(t,n,i,s,a)}unpack(t,e){let n,i=(1<<this.ebits)-1,s="";for(let n=this.numBytes-1;n>=0;n--){let 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i.concat(G(t.fmt.chunkId),V(t.fmt.chunkSize,e),V(t.fmt.audioFormat,n),V(t.fmt.numChannels,n),V(t.fmt.sampleRate,e),V(t.fmt.byteRate,e),V(t.fmt.blockAlign,n),V(t.fmt.bitsPerSample,n),function(t,e,n){let i=[];t.fmt.chunkSize>16&&(i=i.concat(V(t.fmt.cbSize,n)));t.fmt.chunkSize>18&&(i=i.concat(V(t.fmt.validBitsPerSample,n)));t.fmt.chunkSize>20&&(i=i.concat(V(t.fmt.dwChannelMask,e)));t.fmt.chunkSize>24&&(i=i.concat(V(t.fmt.subformat[0],e),V(t.fmt.subformat[1],e),V(t.fmt.subformat[2],e),V(t.fmt.subformat[3],e)));return i}(t,e,n));throw Error('Could not find the "fmt " chunk')}(t,e,n),function(t,e){let n=[];t.fact.chunkId&&(n=n.concat(G(t.fact.chunkId),V(t.fact.chunkSize,e),V(t.fact.dwSampleLength,e)));return n}(t,e),G(t.data.chunkId),V(t.data.samples.length,e),t.data.samples,function(t,e){let n=[];if(t.cue.chunkId){let i=function(t,e){let n=[];for(let 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s=0;s<t.LIST.length;s++){let a=rt(t.LIST[s].subChunks,t.LIST[s].format,t,e,n);i=i.concat(G(t.LIST[s].chunkId),V(a.length+4,e),G(t.LIST[s].format),a)}return i}(t,e,n)],s=0;for(let t=0;t<i.length;t++)s+=i[t].length;let a=new Uint8Array(s+12),r=0;r=W(s+4,e,a,r=X(t.container,a,r)),r=X(t.format,a,r);for(let t=0;t<i.length;t++)a.set(i[t],r),r+=i[t].length;return a}function rt(t,e,n,i,s){let a=[];for(let r=0;r<t.length;r++)"INFO"==e?(a=a.concat(G(t[r].chunkId),V(t[r].value.length+1,i),st.writeString_(t[r].value,t[r].value.length))).push(0):"adtl"==e&&(["labl","note"].indexOf(t[r].chunkId)>-1?(a=a.concat(G(t[r].chunkId),V(t[r].value.length+4+1,i),V(t[r].dwName,i),st.writeString_(t[r].value,t[r].value.length))).push(0):"ltxt"==t[r].chunkId&&(a=a.concat(ht(t[r],n,i,s)))),a.length%2&&a.push(0);return a}function ht(t,e,n,i){return[].concat(G(t.chunkId),V(t.value.length+20,n),V(t.dwName,n),V(t.dwSampleLength,n),V(t.dwPurposeID,n),V(t.dwCountry,i),V(t.dwLanguage,i),V(t.dwDialect,i),V(t.dwCodePage,i),st.writeString_(t.value,t.value.length))}const ut={bits:32};let ot=0;function lt(t){ot=0;let e=mt(t,0);ut.be="RIFX"==e;let n=j(t,8,12);return ot+=4,{chunkId:e,chunkSize:pt(t,0),format:n,subChunks:dt(t)}}function ct(t,e,n=!1){let i=[];for(let s=0;s<t.length;s++)if(t[s].chunkId==e){if(!n)return t[s];i.push(t[s])}return"LIST"==e&&i.length?i:null}function dt(t){let e=[],n=ot;for(;n<=t.length-8;)e.push(ft(t,n)),n=(n+=8+e[e.length-1].chunkSize)%2?n+1:n;return e}function ft(t,e){let n={chunkId:mt(t,e),chunkSize:pt(t,e)};if("LIST"==n.chunkId)n.format=j(t,e+8,e+12),ot+=4,n.subChunks=dt(t);else{let t=n.chunkSize%2?n.chunkSize+1:n.chunkSize;ot=e+8+t,n.chunkData={start:e+8,end:ot}}return n}function mt(t,e){return ot+=4,j(t,e,e+4)}function pt(t,e){return ot+=4,q(t,ut,e+4)}let bt=new it;function kt(t,e,n){bt.head_=0;let i={bits:32,be:!1},s={bits:16,be:!1};!function(t,e,n,i){if(bt.head_=0,e.container=bt.readString_(t,4),-1===["RIFF","RIFX","RF64"].indexOf(e.container))throw Error("Not a supported format.");if(i.be="RIFX"===e.container,n.be=i.be,e.chunkSize=bt.read_(t,n),e.format=bt.readString_(t,4),"WAVE"!=e.format)throw Error('Could not find the "WAVE" format identifier')}(t,n,i,s);let a=lt(t);!function(t,e,n,i){let s=ct(e,"ds64");if(s)bt.head_=s.chunkData.start,n.ds64.chunkId=s.chunkId,n.ds64.chunkSize=s.chunkSize,n.ds64.riffSizeHigh=bt.read_(t,i),n.ds64.riffSizeLow=bt.read_(t,i),n.ds64.dataSizeHigh=bt.read_(t,i),n.ds64.dataSizeLow=bt.read_(t,i),n.ds64.originationTime=bt.read_(t,i),n.ds64.sampleCountHigh=bt.read_(t,i),n.ds64.sampleCountLow=bt.read_(t,i);else if("RF64"==n.container)throw Error('Could not find the "ds64" chunk')}(t,a.subChunks,n,i),function(t,e,n,i,s){let a=ct(e,"fmt ");if(!a)throw Error('Could not find the "fmt " chunk');bt.head_=a.chunkData.start,n.fmt.chunkId=a.chunkId,n.fmt.chunkSize=a.chunkSize,n.fmt.audioFormat=bt.read_(t,s),n.fmt.numChannels=bt.read_(t,s),n.fmt.sampleRate=bt.read_(t,i),n.fmt.byteRate=bt.read_(t,i),n.fmt.blockAlign=bt.read_(t,s),n.fmt.bitsPerSample=bt.read_(t,s),function(t,e,n,i){e.fmt.chunkSize>16&&(e.fmt.cbSize=bt.read_(t,i),e.fmt.chunkSize>18&&(e.fmt.validBitsPerSample=bt.read_(t,i),e.fmt.chunkSize>20&&(e.fmt.dwChannelMask=bt.read_(t,n),e.fmt.subformat=[bt.read_(t,n),bt.read_(t,n),bt.read_(t,n),bt.read_(t,n)])))}(t,n,i,s)}(t,a.subChunks,n,i,s),function(t,e,n,i){let s=ct(e,"fact");s&&(bt.head_=s.chunkData.start,n.fact.chunkId=s.chunkId,n.fact.chunkSize=s.chunkSize,n.fact.dwSampleLength=bt.read_(t,i))}(t,a.subChunks,n,i),function(t,e,n,i,s){let a=ct(e,"bext");a&&(bt.head_=a.chunkData.start,n.bext.chunkId=a.chunkId,n.bext.chunkSize=a.chunkSize,n.bext.description=bt.readString_(t,256),n.bext.originator=bt.readString_(t,32),n.bext.originatorReference=bt.readString_(t,32),n.bext.originationDate=bt.readString_(t,10),n.bext.originationTime=bt.readString_(t,8),n.bext.timeReference=[bt.read_(t,i),bt.read_(t,i)],n.bext.version=bt.read_(t,s),n.bext.UMID=bt.readString_(t,64),n.bext.loudnessValue=bt.read_(t,s),n.bext.loudnessRange=bt.read_(t,s),n.bext.maxTruePeakLevel=bt.read_(t,s),n.bext.maxMomentaryLoudness=bt.read_(t,s),n.bext.maxShortTermLoudness=bt.read_(t,s),n.bext.reserved=bt.readString_(t,180),n.bext.codingHistory=bt.readString_(t,n.bext.chunkSize-602))}(t,a.subChunks,n,i,s),function(t,e,n,i){let s=ct(e,"cue ");if(s){bt.head_=s.chunkData.start,n.cue.chunkId=s.chunkId,n.cue.chunkSize=s.chunkSize,n.cue.dwCuePoints=bt.read_(t,i);for(let e=0;e<n.cue.dwCuePoints;e++)n.cue.points.push({dwName:bt.read_(t,i),dwPosition:bt.read_(t,i),fccChunk:bt.readString_(t,4),dwChunkStart:bt.read_(t,i),dwBlockStart:bt.read_(t,i),dwSampleOffset:bt.read_(t,i)})}}(t,a.subChunks,n,i),function(t,e,n,i){let s=ct(e,"smpl");if(s){bt.head_=s.chunkData.start,n.smpl.chunkId=s.chunkId,n.smpl.chunkSize=s.chunkSize,n.smpl.dwManufacturer=bt.read_(t,i),n.smpl.dwProduct=bt.read_(t,i),n.smpl.dwSamplePeriod=bt.read_(t,i),n.smpl.dwMIDIUnityNote=bt.read_(t,i),n.smpl.dwMIDIPitchFraction=bt.read_(t,i),n.smpl.dwSMPTEFormat=bt.read_(t,i),n.smpl.dwSMPTEOffset=bt.read_(t,i),n.smpl.dwNumSampleLoops=bt.read_(t,i),n.smpl.dwSamplerData=bt.read_(t,i);for(let e=0;e<n.smpl.dwNumSampleLoops;e++)n.smpl.loops.push({dwName:bt.read_(t,i),dwType:bt.read_(t,i),dwStart:bt.read_(t,i),dwEnd:bt.read_(t,i),dwFraction:bt.read_(t,i),dwPlayCount:bt.read_(t,i)})}}(t,a.subChunks,n,i),function(t,e,n,i){let s=ct(e,"data");if(!s)throw Error('Could not find the "data" 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e={chunkId:t.chunkId,chunkSize:t.chunkSize,dwName:bt.read_(n,s)};"ltxt"==t.chunkId&&(e.dwSampleLength=bt.read_(n,s),e.dwPurposeID=bt.read_(n,s),e.dwCountry=bt.read_(n,a),e.dwLanguage=bt.read_(n,a),e.dwDialect=bt.read_(n,a),e.dwCodePage=bt.read_(n,a)),e.value=bt.readZSTR_(n,bt.head_),i.LIST[i.LIST.length-1].subChunks.push(e)}}else"INFO"==e&&(bt.head_=t.chunkData.start,i.LIST[i.LIST.length-1].subChunks.push({chunkId:t.chunkId,chunkSize:t.chunkSize,value:bt.readZSTR_(n,bt.head_)}))}class gt{constructor(){this.container="",this.chunkSize=0,this.format="",this.fmt={chunkId:"",chunkSize:0,audioFormat:0,numChannels:0,sampleRate:0,byteRate:0,blockAlign:0,bitsPerSample:0,cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]},this.fact={chunkId:"",chunkSize:0,dwSampleLength:0},this.cue={chunkId:"",chunkSize:0,dwCuePoints:0,points:[]},this.smpl={chunkId:"",chunkSize:0,dwManufacturer:0,dwProduct:0,dwSamplePeriod:0,dwMIDIUnityNote:0,dwMIDIPitchFraction:0,dwSMPTEFormat:0,dwSMPTEOffset:0,dwNumSampleLoops:0,dwSamplerData:0,loops:[]},this.bext={chunkId:"",chunkSize:0,description:"",originator:"",originatorReference:"",originationDate:"",originationTime:"",timeReference:[0,0],version:0,UMID:"",loudnessValue:0,loudnessRange:0,maxTruePeakLevel:0,maxMomentaryLoudness:0,maxShortTermLoudness:0,reserved:"",codingHistory:""},this.ds64={chunkId:"",chunkSize:0,riffSizeHigh:0,riffSizeLow:0,dataSizeHigh:0,dataSizeLow:0,originationTime:0,sampleCountHigh:0,sampleCountLow:0},this.data={chunkId:"",chunkSize:0,samples:new Uint8Array(0)},this.LIST=[],this.junk={chunkId:"",chunkSize:0,chunkData:[]}}}return class extends gt{constructor(t=null){super(),this.bitDepth="0",this.dataType={},t&&this.fromBuffer(t)}getSample(t){if((t*=this.dataType.bits/8)+this.dataType.bits/8>this.data.samples.length)throw new Error("Range error");return q(this.data.samples.slice(t,t+this.dataType.bits/8),this.dataType)}setSample(t,e){if((t*=this.dataType.bits/8)+this.dataType.bits/8>this.data.samples.length)throw new Error("Range error");W(e,this.dataType,this.data.samples,t)}fromScratch(t,e,n,i,s={}){s.container||(s.container="RIFF"),this.container=s.container,this.bitDepth=n,i=this.interleave_(i),this.updateDataType_();let a=this.dataType.bits/8;this.data.samples=new Uint8Array(i.length*a),Z(i,this.dataType,this.data.samples);let r=tt(n,t,e,a,this.data.samples.length,s);this.clearHeader_(),this.chunkSize=r.chunkSize,this.format=r.format,this.fmt=r.fmt,r.fact&&(this.fact=r.fact),this.data.chunkId="data",this.data.chunkSize=this.data.samples.length,nt(this)}fromBuffer(t,e=!0){this.clearHeader_(),kt(t,e,this),this.bitDepthFromFmt_(),this.updateDataType_()}toBuffer(){return nt(this),at(this)}fromBase64(t){this.fromBuffer(new Uint8Array(D(t)))}toBase64(){let t=this.toBuffer();return M(t,0,t.length)}toDataURI(){return"data:audio/wav;base64,"+this.toBase64()}fromDataURI(t){this.fromBase64(t.replace("data:audio/wav;base64,",""))}toRIFF(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,J(this.data.samples,this.dataType))}toRIFX(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,J(this.data.samples,this.dataType),{container:"RIFX"})}toBitDepth(t,n=!0){let i=t,s=this.bitDepth;n||("32f"!=t&&(i=this.dataType.bits.toString()),s=this.dataType.bits),this.assureUncompressed_();let a=this.data.samples.length/(this.dataType.bits/8),r=new Float64Array(a+1),h=new Float64Array(a+1);K(this.data.samples,this.dataType,r),"32f"!=s&&"64"!=s||this.truncateSamples_(r),e(r,s,i,h),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,t,h,{container:this.correctContainer_()})}toIMAADPCM(){if(8e3!==this.fmt.sampleRate)throw new Error("Only 8000 Hz files can be compressed as IMA-ADPCM.");if(1!==this.fmt.numChannels)throw new Error("Only mono files can be compressed as IMA-ADPCM.");{this.assure16Bit_();let t=new Int16Array(this.data.samples.length/2);K(this.data.samples,this.dataType,t),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"4",function(t){let e=new Uint8Array(t.length/2+512),n=[],i=0;for(let s=0;s<t.length;s++)s%505==0&&0!=s&&(e.set(m(n),i),i+=256,n=[]),n.push(t[s]);return e}(t),{container:this.correctContainer_()})}}fromIMAADPCM(t="16"){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(t,e=256){let n=new Int16Array(2*t.length),i=[],s=0;for(let a=0;a<t.length;a++)a%e==0&&0!=a&&(n.set(p(i),s),s+=2*e,i=[]),i.push(t[a]);return n}(this.data.samples,this.fmt.blockAlign),{container:this.correctContainer_()}),"16"!=t&&this.toBitDepth(t)}toALaw(){this.assure16Bit_();let t=new Int16Array(this.data.samples.length/2);K(this.data.samples,this.dataType,t),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8a",function(t){let e=new Uint8Array(t.length);for(let n=0;n<t.length;n++)e[n]=w(t[n]);return e}(t),{container:this.correctContainer_()})}fromALaw(t="16"){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(t){let e=new Int16Array(t.length);for(let n=0;n<t.length;n++)e[n]=I(t[n]);return e}(this.data.samples),{container:this.correctContainer_()}),"16"!=t&&this.toBitDepth(t)}toMuLaw(){this.assure16Bit_();let t=new Int16Array(this.data.samples.length/2);K(this.data.samples,this.dataType,t),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8m",function(t){let e=new Uint8Array(t.length);for(let n=0;n<t.length;n++)e[n]=x(t[n]);return e}(t),{container:this.correctContainer_()})}fromMuLaw(t="16"){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(t){let e=new Int16Array(t.length);for(let n=0;n<t.length;n++)e[n]=z(t[n]);return e}(this.data.samples),{container:this.correctContainer_()}),"16"!=t&&this.toBitDepth(t)}setTag(t,e){t=this.fixTagName_(t);let n=this.getTagIndex_(t);null!==n.TAG?(this.LIST[n.LIST].subChunks[n.TAG].chunkSize=e.length+1,this.LIST[n.LIST].subChunks[n.TAG].value=e):null!==n.LIST?this.LIST[n.LIST].subChunks.push({chunkId:t,chunkSize:e.length+1,value:e}):(this.LIST.push({chunkId:"LIST",chunkSize:8+e.length+1,format:"INFO",subChunks:[]}),this.LIST[this.LIST.length-1].subChunks.push({chunkId:t,chunkSize:e.length+1,value:e}))}getTag(t){let e=this.getTagIndex_(t);return null!==e.TAG?this.LIST[e.LIST].subChunks[e.TAG].value:null}listTags(){let t=this.getLISTINFOIndex_(),e={};if(null!==t)for(let n=0,i=this.LIST[t].subChunks.length;n<i;n++)e[this.LIST[t].subChunks[n].chunkId]=this.LIST[t].subChunks[n].value;return e}deleteTag(t){let e=this.getTagIndex_(t);return null!==e.TAG&&(this.LIST[e.LIST].subChunks.splice(e.TAG,1),!0)}setCuePoint(t,e=""){this.cue.chunkId="cue ",t=t*this.fmt.sampleRate/1e3;let n=this.getCuePoints_();this.clearLISTadtl_();let i=this.cue.points.length;this.cue.points=[];let s=!1;if(0===i)this.setCuePoint_(t,1,e);else{for(let a=0;a<i;a++)n[a].dwPosition>t&&!s?(this.setCuePoint_(t,a+1,e),this.setCuePoint_(n[a].dwPosition,a+2,n[a].label),s=!0):this.setCuePoint_(n[a].dwPosition,a+1,n[a].label);s||this.setCuePoint_(t,this.cue.points.length+1,e)}this.cue.dwCuePoints=this.cue.points.length}deleteCuePoint(t){this.cue.chunkId="cue ";let e=this.getCuePoints_();this.clearLISTadtl_();let n=this.cue.points.length;this.cue.points=[];for(let i=0;i<n;i++)i+1!==t&&this.setCuePoint_(e[i].dwPosition,i+1,e[i].label);this.cue.dwCuePoints=this.cue.points.length,this.cue.dwCuePoints?this.cue.chunkId="cue ":(this.cue.chunkId="",this.clearLISTadtl_())}listCuePoints(){let t=this.getCuePoints_();for(let e=0,n=t.length;e<n;e++)t[e].milliseconds=t[e].dwPosition/this.fmt.sampleRate*1e3;return t}updateLabel(t,e){let n=this.getAdtlChunk_();if(null!==n)for(let i=0,s=this.LIST[n].subChunks.length;i<s;i++)this.LIST[n].subChunks[i].dwName==t&&(this.LIST[n].subChunks[i].value=e)}bitDepthFromFmt_(){3===this.fmt.audioFormat&&32===this.fmt.bitsPerSample?this.bitDepth="32f":6===this.fmt.audioFormat?this.bitDepth="8a":7===this.fmt.audioFormat?this.bitDepth="8m":this.bitDepth=this.fmt.bitsPerSample.toString()}setCuePoint_(t,e,n){this.cue.points.push({dwName:e,dwPosition:t,fccChunk:"data",dwChunkStart:0,dwBlockStart:0,dwSampleOffset:t}),this.setLabl_(e,n)}getCuePoints_(){let t=[];for(let e=0,n=this.cue.points.length;e<n;e++)t.push({dwPosition:this.cue.points[e].dwPosition,label:this.getLabelForCuePoint_(this.cue.points[e].dwName)});return t}getLabelForCuePoint_(t){let e=this.getAdtlChunk_();if(null!==e)for(let n=0,i=this.LIST[e].subChunks.length;n<i;n++)if(this.LIST[e].subChunks[n].dwName==t)return this.LIST[e].subChunks[n].value;return""}clearLISTadtl_(){for(let t=0,e=this.LIST.length;t<e;t++)"adtl"==this.LIST[t].format&&this.LIST.splice(t)}setLabl_(t,e){let n=this.getAdtlChunk_();null===n&&(this.LIST.push({chunkId:"LIST",chunkSize:4,format:"adtl",subChunks:[]}),n=this.LIST.length-1),this.setLabelText_(null===n?0:n,t,e)}setLabelText_(t,e,n){this.LIST[t].subChunks.push({chunkId:"labl",chunkSize:n.length,dwName:e,value:n}),this.LIST[t].chunkSize+=n.length+4+4+4+1}getAdtlChunk_(){for(let t=0,e=this.LIST.length;t<e;t++)if("adtl"==this.LIST[t].format)return t;return null}getLISTINFOIndex_(){let t=null;for(let e=0,n=this.LIST.length;e<n;e++)if("INFO"===this.LIST[e].format){t=e;break}return t}getTagIndex_(t){let e={LIST:null,TAG:null};for(let n=0,i=this.LIST.length;n<i;n++)if("INFO"==this.LIST[n].format){e.LIST=n;for(let i=0,s=this.LIST[n].subChunks.length;i<s;i++)if(this.LIST[n].subChunks[i].chunkId==t){e.TAG=i;break}break}return e}fixTagName_(t){if(t.constructor!==String)throw new Error("Invalid tag name.");if(t.length<4)for(let e=0,n=4-t.length;e<n;e++)t+=" ";return t}clearHeader_(){this.fmt.cbSize=0,this.fmt.validBitsPerSample=0,this.fact.chunkId="",this.ds64.chunkId=""}assure16Bit_(){this.assureUncompressed_(),"16"!=this.bitDepth&&this.toBitDepth("16")}assureUncompressed_(){"8a"==this.bitDepth?this.fromALaw():"8m"==this.bitDepth?this.fromMuLaw():"4"==this.bitDepth&&this.fromIMAADPCM()}interleave_(t){if(t.length>0&&t[0].constructor===Array){let e=[];for(let n=0,i=t[0].length;n<i;n++)for(let i=0,s=t.length;i<s;i++)e.push(t[i][n]);t=e}return t}updateDataType_(){this.dataType={bits:1+(parseInt(this.bitDepth,10)-1|7),fp:"32f"==this.bitDepth||"64"==this.bitDepth,signed:"8"!=this.bitDepth,be:"RIFX"==this.container},["4","8a","8m"].indexOf(this.bitDepth)>-1&&(this.dataType.bits=8,this.dataType.signed=!1)}correctContainer_(){return"RF64"==this.container?"RIFF":this.container}truncateSamples_(t){for(let e=0,n=t.length;e<n;e++)t[e]>1?t[e]=1:t[e]<-1&&(t[e]=-1)}}}();window.WaveFile=WaveFile;
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+var Na=function(){function e(a){a=void 0===a?null:a;var b=m.call(this)||this;b.bitDepth="0";b.dataType={};a&&b.fromBuffer(a);return b}function m(){this.container="";this.chunkSize=0;this.format="";this.fmt={chunkId:"",chunkSize:0,audioFormat:0,numChannels:0,sampleRate:0,byteRate:0,blockAlign:0,bitsPerSample:0,cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]};this.fact={chunkId:"",chunkSize:0,dwSampleLength:0};this.cue={chunkId:"",chunkSize:0,dwCuePoints:0,points:[]};this.smpl={chunkId:"",
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+var y=new l,ma={f:32},D=0,h=new l;Y(e,m);e.prototype.getSample=function(a){a*=this.dataType.f/8;if(a+this.dataType.f/8>this.data.samples.length)throw Error("Range error");return U(this.data.samples.slice(a,a+this.dataType.f/8),this.dataType)};e.prototype.setSample=function(a,b){a*=this.dataType.f/8;if(a+this.dataType.f/8>this.data.samples.length)throw Error("Range error");K([b],this.dataType,this.data.samples,void 0===a?0:a)};e.prototype.fromScratch=function(a,b,c,d,g){g=void 0===g?{}:g;g.container||
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+b),dwType:h.a(a,b),dwStart:h.a(a,b),dwEnd:h.a(a,b),dwFraction:h.a(a,b),dwPlayCount:h.a(a,b)});if(f=w(g,"data"))this.data.chunkId="data",this.data.chunkSize=f.chunkSize,c&&(this.data.samples=a.slice(f.chunkData.start,f.chunkData.end));else throw Error('Could not find the "data" chunk');if(c=w(g,"junk"))this.junk={chunkId:c.chunkId,chunkSize:c.chunkSize,chunkData:[].slice.call(a.slice(c.chunkData.start,c.chunkData.end))};g=w(g,"LIST",!0);if(null!==g)for(c=0;c<g.length;c++){f=g[c];this.LIST.push({chunkId:f.chunkId,
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+l&&(h.b=k.chunkData.start,this.LIST[this.LIST.length-1].subChunks.push({chunkId:k.chunkId,chunkSize:k.chunkSize,value:h.i(m,h.b)}))}}this.w();this.u()};e.prototype.toBuffer=function(){fa(this);ha(this);ia(this);var a={f:32,h:!1},b={f:16,h:!1};b.h="RIFX"===this.container;a.h=b.h;var c=[];c=this.junk.chunkId?c.concat(q(this.junk.chunkId),k(this.junk.chunkData.length,a),this.junk.chunkData):c;var d=[];this.ds64.chunkId&&(d=d.concat(q(this.ds64.chunkId),k(this.ds64.chunkSize,a),k(this.ds64.riffSizeHigh,
+a),k(this.ds64.riffSizeLow,a),k(this.ds64.dataSizeHigh,a),k(this.ds64.dataSizeLow,a),k(this.ds64.originationTime,a),k(this.ds64.sampleCountHigh,a),k(this.ds64.sampleCountLow,a)));var g=[];for(f in this.bext)if(this.bext.hasOwnProperty(f)&&this.bext[f]&&"timeReference"!=f){this.bext.chunkId="bext";break}if(this.bext.timeReference[0]||this.bext.timeReference[1])this.bext.chunkId="bext";this.bext.chunkId&&(this.bext.chunkSize=602+this.bext.codingHistory.length,g=g.concat(q(this.bext.chunkId),k(602+this.bext.codingHistory.length,
+a),y.g(this.bext.description,256),y.g(this.bext.originator,32),y.g(this.bext.originatorReference,32),y.g(this.bext.originationDate,10),y.g(this.bext.originationTime,8),k(this.bext.timeReference[0],a),k(this.bext.timeReference[1],a),k(this.bext.version,b),y.g(this.bext.UMID,64),k(this.bext.loudnessValue,b),k(this.bext.loudnessRange,b),k(this.bext.maxTruePeakLevel,b),k(this.bext.maxMomentaryLoudness,b),k(this.bext.maxShortTermLoudness,b),y.g(this.bext.reserved,180),y.g(this.bext.codingHistory,this.bext.codingHistory.length)));
+var f=g;g=[];if(this.fmt.chunkId)g=g.concat(q(this.fmt.chunkId),k(this.fmt.chunkSize,a),k(this.fmt.audioFormat,b),k(this.fmt.numChannels,b),k(this.fmt.sampleRate,a),k(this.fmt.byteRate,a),k(this.fmt.blockAlign,b),k(this.fmt.bitsPerSample,b),Ka(this,a,b));else throw Error('Could not find the "fmt " chunk');var e=[];this.fact.chunkId&&(e=e.concat(q(this.fact.chunkId),k(this.fact.chunkSize,a),k(this.fact.dwSampleLength,a)));var h=q(this.data.chunkId),l=k(this.data.samples.length,a),m=this.data.samples;
+var n=[];if(this.cue.chunkId){var p=[];for(var r=0;r<this.cue.dwCuePoints;r++)p=p.concat(k(this.cue.points[r].dwName,a),k(this.cue.points[r].dwPosition,a),q(this.cue.points[r].fccChunk),k(this.cue.points[r].dwChunkStart,a),k(this.cue.points[r].dwBlockStart,a),k(this.cue.points[r].dwSampleOffset,a));n=n.concat(q(this.cue.chunkId),k(p.length+4,a),k(this.cue.dwCuePoints,a),p)}p=[];if(this.smpl.chunkId){r=[];for(var v=0;v<this.smpl.dwNumSampleLoops;v++)r=r.concat(k(this.smpl.loops[v].dwName,a),k(this.smpl.loops[v].dwType,
+a),k(this.smpl.loops[v].dwStart,a),k(this.smpl.loops[v].dwEnd,a),k(this.smpl.loops[v].dwFraction,a),k(this.smpl.loops[v].dwPlayCount,a));p=p.concat(q(this.smpl.chunkId),k(r.length+36,a),k(this.smpl.dwManufacturer,a),k(this.smpl.dwProduct,a),k(this.smpl.dwSamplePeriod,a),k(this.smpl.dwMIDIUnityNote,a),k(this.smpl.dwMIDIPitchFraction,a),k(this.smpl.dwSMPTEFormat,a),k(this.smpl.dwSMPTEOffset,a),k(this.smpl.dwNumSampleLoops,a),k(this.smpl.dwSamplerData,a),r)}r=[];for(v=0;v<this.LIST.length;v++){var t=
+this.LIST[v].subChunks;for(var u=this.LIST[v].format,w=a,A=b,z=[],x=0;x<t.length;x++)"INFO"==u?(z=z.concat(q(t[x].chunkId),k(t[x].value.length+1,w),y.g(t[x].value,t[x].value.length)),z.push(0)):"adtl"==u&&(-1<["labl","note"].indexOf(t[x].chunkId)?(z=z.concat(q(t[x].chunkId),k(t[x].value.length+4+1,w),k(t[x].dwName,w),y.g(t[x].value,t[x].value.length)),z.push(0)):"ltxt"==t[x].chunkId&&(z=z.concat(La(t[x],this,w,A)))),z.length%2&&z.push(0);t=z;r=r.concat(q(this.LIST[v].chunkId),k(t.length+4,a),q(this.LIST[v].format),
+t)}b=[c,d,f,g,e,h,l,m,n,p,r];for(d=c=0;d<b.length;d++)c+=b[d].length;d=new Uint8Array(c+12);f=T(this.container,d,0);f=K([c+4],a,d,void 0===f?0:f);f=T(this.format,d,void 0===f?0:f);for(a=0;a<b.length;a++)d.set(b[a],f),f+=b[a].length;return d};e.prototype.fromBase64=function(a){this.fromBuffer(new Uint8Array(ra(a)))};e.prototype.toBase64=function(){var a=this.toBuffer();a=new Uint8Array(a,0,a.length);for(var b=a.length,c="",d=0;d<b;d+=3)c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[a[d]>>
+2],c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(a[d]&3)<<4|a[d+1]>>4],c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(a[d+1]&15)<<2|a[d+2]>>6],c+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[a[d+2]&63];2===b%3?c=c.substring(0,c.length-1)+"\x3d":1===b%3&&(c=c.substring(0,c.length-2)+"\x3d\x3d");return c};e.prototype.toDataURI=function(){return"data:audio/wav;base64,"+this.toBase64()};e.prototype.fromDataURI=function(a){this.fromBase64(a.replace("data:audio/wav;base64,",
+""))};e.prototype.toRIFF=function(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,V(this.data.samples,this.dataType))};e.prototype.toRIFX=function(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,V(this.data.samples,this.dataType),{container:"RIFX"})};e.prototype.toBitDepth=function(a,b){var c=a,d=this.bitDepth;void 0===b||b||("32f"!=a&&(c=this.dataType.f.toString()),d=this.dataType.f);this.o();var e=this.data.samples.length/(this.dataType.f/8);b=
+new Float64Array(e+1);e=new Float64Array(e+1);I(this.data.samples,this.dataType,b);"32f"!=d&&"64"!=d||this.J(b);var f=d;d=c;ba(f);ba(d);var h=xa(f,d),k={F:Math.pow(2,parseInt(f,10))/2,C:Math.pow(2,parseInt(d,10))/2,D:Math.pow(2,parseInt(f,10))/2-1,B:Math.pow(2,parseInt(d,10))/2-1};c=b.length;if("8"==f)for(f=0;f<c;f++)e[f]=b[f]-=128;for(f=0;f<c;f++)e[f]=h(b[f],k);if("8"==d)for(b=0;b<c;b++)e[b]=e[b]+=128;this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,a,e,{container:this.a()})};e.prototype.toIMAADPCM=
+function(){if(8E3!==this.fmt.sampleRate)throw Error("Only 8000 Hz files can be compressed as IMA-ADPCM.");if(1!==this.fmt.numChannels)throw Error("Only mono files can be compressed as IMA-ADPCM.");this.c();var a=new Int16Array(this.data.samples.length/2);I(this.data.samples,this.dataType,a);this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"4",ya(a),{container:this.a()})};e.prototype.fromIMAADPCM=function(a){a=void 0===a?"16":a;this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",
+Aa(this.data.samples,this.fmt.blockAlign),{container:this.a()});"16"!=a&&this.toBitDepth(a)};e.prototype.toALaw=function(){this.c();var a=new Int16Array(this.data.samples.length/2);I(this.data.samples,this.dataType,a);this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8a",Ca(a),{container:this.a()})};e.prototype.fromALaw=function(a){a=void 0===a?"16":a;this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",Ea(this.data.samples),{container:this.a()});"16"!=a&&this.toBitDepth(a)};e.prototype.toMuLaw=
+function(){this.c();var a=new Int16Array(this.data.samples.length/2);I(this.data.samples,this.dataType,a);this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8m",Fa(a),{container:this.a()})};e.prototype.fromMuLaw=function(a){a=void 0===a?"16":a;this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",Ha(this.data.samples),{container:this.a()});"16"!=a&&this.toBitDepth(a)};e.prototype.setTag=function(a,b){a=this.L(a);var c=this.l(a);null!==c.m?(this.LIST[c.LIST].subChunks[c.m].chunkSize=
+b.length+1,this.LIST[c.LIST].subChunks[c.m].value=b):null!==c.LIST?this.LIST[c.LIST].subChunks.push({chunkId:a,chunkSize:b.length+1,value:b}):(this.LIST.push({chunkId:"LIST",chunkSize:b.length+9,format:"INFO",subChunks:[]}),this.LIST[this.LIST.length-1].subChunks.push({chunkId:a,chunkSize:b.length+1,value:b}))};e.prototype.getTag=function(a){a=this.l(a);return null!==a.m?this.LIST[a.LIST].subChunks[a.m].value:null};e.prototype.listTags=function(){var a=this.M(),b={};if(null!==a)for(var c=0,d=this.LIST[a].subChunks.length;c<
+d;c++)b[this.LIST[a].subChunks[c].chunkId]=this.LIST[a].subChunks[c].value;return b};e.prototype.deleteTag=function(a){a=this.l(a);return null!==a.m?(this.LIST[a.LIST].subChunks.splice(a.m,1),!0):!1};e.prototype.setCuePoint=function(a,b){b=void 0===b?"":b;this.cue.chunkId="cue ";a=a*this.fmt.sampleRate/1E3;var c=this.j();this.g();var d=this.cue.points.length;this.cue.points=[];var e=!1;if(0===d)this.b(a,1,b);else{for(var f=0;f<d;f++)c[f].dwPosition>a&&!e?(this.b(a,f+1,b),this.b(c[f].dwPosition,f+
+2,c[f].label),e=!0):this.b(c[f].dwPosition,f+1,c[f].label);e||this.b(a,this.cue.points.length+1,b)}this.cue.dwCuePoints=this.cue.points.length};e.prototype.deleteCuePoint=function(a){this.cue.chunkId="cue ";var b=this.j();this.g();var c=this.cue.points.length;this.cue.points=[];for(var d=0;d<c;d++)d+1!==a&&this.b(b[d].dwPosition,d+1,b[d].label);this.cue.dwCuePoints=this.cue.points.length;this.cue.dwCuePoints?this.cue.chunkId="cue ":(this.cue.chunkId="",this.g())};e.prototype.listCuePoints=function(){for(var a=
+this.j(),b=0,c=a.length;b<c;b++)a[b].milliseconds=a[b].dwPosition/this.fmt.sampleRate*1E3;return a};e.prototype.updateLabel=function(a,b){var c=this.i();if(null!==c)for(var d=0,e=this.LIST[c].subChunks.length;d<e;d++)this.LIST[c].subChunks[d].dwName==a&&(this.LIST[c].subChunks[d].value=b)};e.prototype.w=function(){3===this.fmt.audioFormat&&32===this.fmt.bitsPerSample?this.bitDepth="32f":6===this.fmt.audioFormat?this.bitDepth="8a":7===this.fmt.audioFormat?this.bitDepth="8m":this.bitDepth=this.fmt.bitsPerSample.toString()};
+e.prototype.b=function(a,b,c){this.cue.points.push({dwName:b,dwPosition:a,fccChunk:"data",dwChunkStart:0,dwBlockStart:0,dwSampleOffset:a});this.I(b,c)};e.prototype.j=function(){for(var a=[],b=0,c=this.cue.points.length;b<c;b++)a.push({dwPosition:this.cue.points[b].dwPosition,label:this.N(this.cue.points[b].dwName)});return a};e.prototype.N=function(a){var b=this.i();if(null!==b)for(var c=0,d=this.LIST[b].subChunks.length;c<d;c++)if(this.LIST[b].subChunks[c].dwName==a)return this.LIST[b].subChunks[c].value;
+return""};e.prototype.g=function(){for(var a=0,b=this.LIST.length;a<b;a++)"adtl"==this.LIST[a].format&&this.LIST.splice(a)};e.prototype.I=function(a,b){var c=this.i();null===c&&(this.LIST.push({chunkId:"LIST",chunkSize:4,format:"adtl",subChunks:[]}),c=this.LIST.length-1);this.H(null===c?0:c,a,b)};e.prototype.H=function(a,b,c){this.LIST[a].subChunks.push({chunkId:"labl",chunkSize:c.length,dwName:b,value:c});this.LIST[a].chunkSize+=c.length+13};e.prototype.i=function(){for(var a=0,b=this.LIST.length;a<
+b;a++)if("adtl"==this.LIST[a].format)return a;return null};e.prototype.M=function(){for(var a=null,b=0,c=this.LIST.length;b<c;b++)if("INFO"===this.LIST[b].format){a=b;break}return a};e.prototype.l=function(a){for(var b={LIST:null,m:null},c=0,d=this.LIST.length;c<d;c++)if("INFO"==this.LIST[c].format){b.LIST=c;d=0;for(var e=this.LIST[c].subChunks.length;d<e;d++)if(this.LIST[c].subChunks[d].chunkId==a){b.m=d;break}break}return b};e.prototype.L=function(a){if(a.constructor!==String)throw Error("Invalid tag name.");
+if(4>a.length)for(var b=0,c=4-a.length;b<c;b++)a+=" ";return a};e.prototype.s=function(){this.fmt.cbSize=0;this.fmt.validBitsPerSample=0;this.fact.chunkId="";this.ds64.chunkId=""};e.prototype.c=function(){this.o();"16"!=this.bitDepth&&this.toBitDepth("16")};e.prototype.o=function(){"8a"==this.bitDepth?this.fromALaw():"8m"==this.bitDepth?this.fromMuLaw():"4"==this.bitDepth&&this.fromIMAADPCM()};e.prototype.G=function(a){if(0<a.length&&a[0].constructor===Array){for(var b=[],c=0,d=a[0].length;c<d;c++)for(var e=
+0,f=a.length;e<f;e++)b.push(a[e][c]);a=b}return a};e.prototype.u=function(){this.dataType={f:(parseInt(this.bitDepth,10)-1|7)+1,v:"32f"==this.bitDepth||"64"==this.bitDepth,A:"8"!=this.bitDepth,h:"RIFX"==this.container};-1<["4","8a","8m"].indexOf(this.bitDepth)&&(this.dataType.f=8,this.dataType.A=!1)};e.prototype.a=function(){return"RF64"==this.container?"RIFF":this.container};e.prototype.J=function(a){for(var b=0,c=a.length;b<c;b++)1<a[b]?a[b]=1:-1>a[b]&&(a[b]=-1)};return e}();window.WaveFile=Na;

dist/wavefile.umd.js

@@ -1,1 +0,1 @@
-Array.prototype.includes||Object.defineProperty(Array.prototype,"includes",{value:function(searchElement,fromIndex){if(null==this)throw new TypeError('"this" is null or not defined');var o=Object(this),len=o.length>>>0;if(0===len)return!1;var x,y,n=0|fromIndex,k=Math.max(n>=0?n:len-Math.abs(n),0);for(;k<len;){if((x=o[k])===(y=searchElement)||"number"==typeof x&&"number"==typeof y&&isNaN(x)&&isNaN(y))return!0;k++}return!1}}),String.prototype.codePointAt||function(){"use strict";var defineProperty=function(){try{var object={},$defineProperty=Object.defineProperty,result=$defineProperty(object,object,object)&&$defineProperty}catch(error){}return result}(),codePointAt=function(position){if(null==this)throw TypeError();var string=String(this),size=string.length,index=position?Number(position):0;if(index!=index&&(index=0),!(index<0||index>=size)){var second,first=string.charCodeAt(index);return first>=55296&&first<=56319&&size>index+1&&(second=string.charCodeAt(index+1))>=56320&&second<=57343?1024*(first-55296)+second-56320+65536:first}};defineProperty?defineProperty(String.prototype,"codePointAt",{value:codePointAt,configurable:!0,writable:!0}):String.prototype.codePointAt=codePointAt}(),Uint8Array.prototype.slice||Object.defineProperty(Uint8Array.prototype,"slice",{value:Array.prototype.slice}),function(global,factory){"object"==typeof exports&&"undefined"!=typeof module?module.exports=factory():"function"==typeof define&&define.amd?define(factory):global.WaveFile=factory()}(this,function(){"use strict";var f64f32_=new Float32Array(1);function bitDepth(input,original,target,output){validateBitDepth_(original),validateBitDepth_(target);var toFunction=function(original,target){var func=function(x){return x};original!=target&&(func=["32f","64"].includes(original)?["32f","64"].includes(target)?floatToFloat_:floatToInt_:["32f","64"].includes(target)?intToFloat_:intToInt_);return func}(original,target),options={oldMin:Math.pow(2,parseInt(original,10))/2,newMin:Math.pow(2,parseInt(target,10))/2,oldMax:Math.pow(2,parseInt(original,10))/2-1,newMax:Math.pow(2,parseInt(target,10))/2-1},len=input.length;if("8"==original)for(var i=0;i<len;i++)output[i]=input[i]-=128;for(var _i=0;_i<len;_i++)output[_i]=toFunction(input[_i],options);if("8"==target)for(var _i2=0;_i2<len;_i2++)output[_i2]=output[_i2]+=128}function intToInt_(sample,args){return sample=sample>0?parseInt(sample/args.oldMax*args.newMax,10):parseInt(sample/args.oldMin*args.newMin,10)}function floatToInt_(sample,args){return parseInt(sample>0?sample*args.newMax:sample*args.newMin,10)}function intToFloat_(sample,args){return sample>0?sample/args.oldMax:sample/args.oldMin}function floatToFloat_(sample){return f64f32_[0]=sample,f64f32_[0]}function validateBitDepth_(bitDepth){if("32f"!=bitDepth&&"64"!=bitDepth&&(parseInt(bitDepth,10)<"8"||parseInt(bitDepth,10)>"53"))throw new Error("Invalid bit depth.")}var INDEX_TABLE=[-1,-1,-1,-1,2,4,6,8,-1,-1,-1,-1,2,4,6,8],STEP_TABLE=[7,8,9,10,11,12,13,14,16,17,19,21,23,25,28,31,34,37,41,45,50,55,60,66,73,80,88,97,107,118,130,143,157,173,190,209,230,253,279,307,337,371,408,449,494,544,598,658,724,796,876,963,1060,1166,1282,1411,1552,1707,1878,2066,2272,2499,2749,3024,3327,3660,4026,4428,4871,5358,5894,6484,7132,7845,8630,9493,10442,11487,12635,13899,15289,16818,18500,20350,22385,24623,27086,29794,32767],encoderPredicted_=0,encoderIndex_=0,decoderPredicted_=0,decoderIndex_=0,decoderStep_=7;function encodeBlock(block){for(var adpcmSamples=function(sample){encodeSample_(sample);var adpcmSamples=[];return adpcmSamples.push(255&sample),adpcmSamples.push(sample>>8&255),adpcmSamples.push(encoderIndex_),adpcmSamples.push(0),adpcmSamples}(block[0]),i=3;i<block.length;i+=2){var sample2=encodeSample_(block[i]),sample=encodeSample_(block[i+1]);adpcmSamples.push(sample<<4|sample2)}for(;adpcmSamples.length<256;)adpcmSamples.push(0);return adpcmSamples}function decodeBlock(block){decoderPredicted_=sign_(block[1]<<8|block[0]),decoderIndex_=block[2],decoderStep_=STEP_TABLE[decoderIndex_];for(var result=[decoderPredicted_,sign_(block[3]<<8|block[2])],i=4;i<block.length;i++){var original_sample=block[i],second_sample=original_sample>>4,first_sample=second_sample<<4^original_sample;result.push(decodeSample_(first_sample)),result.push(decodeSample_(second_sample))}return result}function sign_(num){return num>32768?num-65536:num}function encodeSample_(sample){var delta=sample-encoderPredicted_,value=0;delta>=0?value=0:(value=8,delta=-delta);var step=STEP_TABLE[encoderIndex_],diff=step>>3;return delta>step&&(value|=4,delta-=step,diff+=step),delta>(step>>=1)&&(value|=2,delta-=step,diff+=step),delta>(step>>=1)&&(value|=1,diff+=step),function(value,diff){8&value?encoderPredicted_-=diff:encoderPredicted_+=diff;encoderPredicted_<-32768?encoderPredicted_=-32768:encoderPredicted_>32767&&(encoderPredicted_=32767);(encoderIndex_+=INDEX_TABLE[7&value])<0?encoderIndex_=0:encoderIndex_>88&&(encoderIndex_=88)}(value,diff),value}function decodeSample_(nibble){var difference=0;return 4&nibble&&(difference+=decoderStep_),2&nibble&&(difference+=decoderStep_>>1),1&nibble&&(difference+=decoderStep_>>2),difference+=decoderStep_>>3,8&nibble&&(difference=-difference),(decoderPredicted_+=difference)>32767?decoderPredicted_=32767:decoderPredicted_<-32767&&(decoderPredicted_=-32767),function(nibble){(decoderIndex_+=INDEX_TABLE[nibble])<0?decoderIndex_=0:decoderIndex_>88&&(decoderIndex_=88);decoderStep_=STEP_TABLE[decoderIndex_]}(nibble),decoderPredicted_}var LOG_TABLE=[1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7];function encodeSample(sample){var compandedValue=void 0,sign=~(sample=-32768==sample?-32767:sample)>>8&128;if(sign||(sample*=-1),sample>32635&&(sample=32635),sample>=256){var exponent=LOG_TABLE[sample>>8&127];compandedValue=exponent<<4|sample>>exponent+3&15}else compandedValue=sample>>4;return 85^compandedValue^sign}function decodeSample(aLawSample){var sign=0;128&(aLawSample^=85)&&(aLawSample&=-129,sign=-1);var position=4+((240&aLawSample)>>4),decoded=0;return decoded=4!=position?1<<position|(15&aLawSample)<<position-4|1<<position-5:aLawSample<<1|1,8*(decoded=0===sign?decoded:-decoded)*-1}var BIAS=132,CLIP=32635,encodeTable=[0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7],decodeTable=[0,132,396,924,1980,4092,8316,16764];for(var chars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",lookup=new Uint8Array(256),i=0;i<chars.length;i++)lookup[chars.charCodeAt(i)]=i;function swap(bytes,offset,index){offset--;for(var x=0;x<offset;x++){var theByte=bytes[index+x];bytes[index+x]=bytes[index+offset],bytes[index+offset]=theByte,offset--}}function pack(str,buffer){for(var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,i=0,len=str.length;i<len;i++){var codePoint=str.codePointAt(i);if(codePoint<128)buffer[index]=codePoint,index++;else{var count=0,offset=0;for(codePoint<=2047?(count=1,offset=192):codePoint<=65535?(count=2,offset=224):codePoint<=1114111&&(count=3,offset=240,i++),buffer[index]=(codePoint>>6*count)+offset,index++;count>0;)buffer[index]=128|codePoint>>6*(count-1)&63,index++,count--}}return index}var TYPE_ERR="Unsupported type";function validateIsInt(value){validateIsNumber(value),value==value&&value!==1/0&&value!==-1/0||throwValueErr_("integer")}function validateIsNumber(value){null==value&&throwValueErr_(),value.constructor!=Number&&value.constructor!=Boolean&&throwValueErr_()}function throwValueErr_(){var theType=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"valid number";throw new Error("Argument is not a "+theType)}var classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")},createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),get=function get(object,property,receiver){null===object&&(object=Function.prototype);var desc=Object.getOwnPropertyDescriptor(object,property);if(void 0===desc){var parent=Object.getPrototypeOf(object);return null===parent?void 0:get(parent,property,receiver)}if("value"in desc)return desc.value;var getter=desc.get;return void 0!==getter?getter.call(receiver):void 0},inherits=function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function, not "+typeof superClass);subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:!1,writable:!0,configurable:!0}}),superClass&&(Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass)},possibleConstructorReturn=function(self,call){if(!self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!call||"object"!=typeof call&&"function"!=typeof call?self:call},IEEE754Buffer=function(){function IEEE754Buffer(ebits,fbits){classCallCheck(this,IEEE754Buffer),this.ebits=ebits,this.fbits=fbits,this.bias=(1<<ebits-1)-1,this.numBytes=Math.ceil((ebits+fbits)/8),this.biasP2=Math.pow(2,this.bias+1),this.ebitsFbits=ebits+fbits,this.fbias=Math.pow(2,-(8*this.numBytes-1-ebits))}return createClass(IEEE754Buffer,[{key:"pack",value:function(buffer,num,index){Math.abs(num)>this.biasP2-2*this.ebitsFbits&&(num=num<0?-1/0:1/0);var sign=((num=+num)||1/num)<0?1:num<0?1:0;num=Math.abs(num);var exp=Math.min(Math.floor(Math.log(num)/Math.LN2),1023),fraction=this.roundToEven(num/Math.pow(2,exp)*Math.pow(2,this.fbits));return num!=num?(fraction=Math.pow(2,this.fbits-1),exp=(1<<this.ebits)-1):0!==num&&(num>=Math.pow(2,1-this.bias)?(fraction/Math.pow(2,this.fbits)>=2&&(exp+=1,fraction=1),exp>this.bias?(exp=(1<<this.ebits)-1,fraction=0):(exp+=this.bias,fraction=this.roundToEven(fraction)-Math.pow(2,this.fbits))):(fraction=this.roundToEven(num/Math.pow(2,1-this.bias-this.fbits)),exp=0)),this.packFloatBits_(buffer,index,sign,exp,fraction)}},{key:"unpack",value:function(buffer,index){for(var eMax=(1<<this.ebits)-1,significand=void 0,leftBits="",i=this.numBytes-1;i>=0;i--){var t=buffer[i+index].toString(2);leftBits+="00000000".substring(t.length)+t}var sign="1"==leftBits.charAt(0)?-1:1;leftBits=leftBits.substring(1);var exponent=parseInt(leftBits.substring(0,this.ebits),2);return leftBits=leftBits.substring(this.ebits),exponent==eMax?0!==parseInt(leftBits,2)?NaN:sign*(1/0):(0===exponent?(exponent+=1,significand=parseInt(leftBits,2)):significand=parseInt("1"+leftBits,2),sign*significand*this.fbias*Math.pow(2,exponent-this.bias))}},{key:"packFloatBits_",value:function(buffer,index,sign,exp,fraction){var bits=[];bits.push(sign);for(var i=this.ebits;i>0;i-=1)bits[i]=exp%2?1:0,exp=Math.floor(exp/2);for(var len=bits.length,_i=this.fbits;_i>0;_i-=1)bits[len+_i]=fraction%2?1:0,fraction=Math.floor(fraction/2);for(var str=bits.join(""),numBytes=this.numBytes+index-1,k=index;numBytes>=index;)buffer[numBytes]=parseInt(str.substring(0,8),2),str=str.substring(8),numBytes--,k++;return k}},{key:"roundToEven",value:function(n){var w=Math.floor(n),f=n-w;return f<.5?w:f>.5?w+1:w%2?w+1:w}}]),IEEE754Buffer}(),UintBuffer=function(){function UintBuffer(bits){classCallCheck(this,UintBuffer),this.bits=bits,this.bytes=bits<8?1:Math.ceil(bits/8),this.max=Math.pow(2,bits)-1,this.min=0;var r=8-(1+(bits-1|7)-bits);this.lastByteMask_=Math.pow(2,r>0?r:8)-1}return createClass(UintBuffer,[{key:"pack",value:function(buffer,num){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;if(num!=num)throw new Error("NaN");this.overflow(num),buffer[index]=255&(num<0?num+Math.pow(2,this.bits):num),index++;for(var len=this.bytes,i=2;i<len;i++)buffer[index]=255&Math.floor(num/Math.pow(2,8*(i-1))),index++;return this.bits>8&&(buffer[index]=Math.floor(num/Math.pow(2,8*(this.bytes-1)))&this.lastByteMask_,index++),index}},{key:"unpack",value:function(buffer){var index=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,num=this.unpackUnsafe(buffer,index);return this.overflow(num),num}},{key:"unpackUnsafe",value:function(buffer,index){for(var num=0,x=0;x<this.bytes;x++)num+=buffer[index+x]*Math.pow(256,x);return num}},{key:"overflow",value:function(num){if(num>this.max||num<this.min)throw new Error("Overflow")}}]),UintBuffer}(),TwosComplementBuffer=function(_UintBuffer){function TwosComplementBuffer(bits){classCallCheck(this,TwosComplementBuffer);var _this=possibleConstructorReturn(this,(TwosComplementBuffer.__proto__||Object.getPrototypeOf(TwosComplementBuffer)).call(this,bits));return _this.max=Math.pow(2,_this.bits)/2-1,_this.min=-_this.max-1,_this}return inherits(TwosComplementBuffer,UintBuffer),createClass(TwosComplementBuffer,[{key:"pack",value:function(buffer,num){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return get(TwosComplementBuffer.prototype.__proto__||Object.getPrototypeOf(TwosComplementBuffer.prototype),"pack",this).call(this,buffer,num,index)}},{key:"unpack",value:function(buffer){var index=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,num=get(TwosComplementBuffer.prototype.__proto__||Object.getPrototypeOf(TwosComplementBuffer.prototype),"unpackUnsafe",this).call(this,buffer,index);return num=this.sign_(num),this.overflow(num),num}},{key:"sign_",value:function(num){return num>this.max&&(num-=2*this.max+2),num}}]),TwosComplementBuffer}(),NumberBuffer=function(){function NumberBuffer(bits,fp,signed){classCallCheck(this,NumberBuffer),this.parser=null,fp?(!function(bits){if(!bits||16!==bits&&32!==bits&&64!==bits)throw new Error(TYPE_ERR+": float, bits: "+bits)}(bits),this.parser=this.getFPParser_(bits)):(!function(bits){if(!bits||bits<1||bits>53)throw new Error(TYPE_ERR+": int, bits: "+bits)}(bits),this.parser=signed?new TwosComplementBuffer(bits):new UintBuffer(bits),this.parser.bytes=8===this.parser.bytes?4:this.parser.bytes)}return createClass(NumberBuffer,[{key:"unpack",value:function(buffer){var index=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return this.parser.unpack(buffer,index)}},{key:"pack",value:function(buffer,num){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return this.parser.pack(buffer,num,index)}},{key:"getFPParser_",value:function(bits){return 16===bits?new IEEE754Buffer(5,11):32===bits?new IEEE754Buffer(8,23):new IEEE754Buffer(11,52)}}]),NumberBuffer}();function unpackString(buffer){return function(buffer){for(var start=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,end=arguments.length>2&&void 0!==arguments[2]?arguments[2]:buffer.length,str="",index=start;index<end;){var lowerBoundary=128,upperBoundary=191,replace=!1,charCode=buffer[index++];if(charCode>=0&&charCode<=127)str+=String.fromCharCode(charCode);else{var count=0;charCode>=194&&charCode<=223?count=1:charCode>=224&&charCode<=239?(count=2,224===buffer[index]&&(lowerBoundary=160),237===buffer[index]&&(upperBoundary=159)):charCode>=240&&charCode<=244?(count=3,240===buffer[index]&&(lowerBoundary=144),244===buffer[index]&&(upperBoundary=143)):replace=!0,charCode&=(1<<8-count-1)-1;for(var i=0;i<count;i++)(buffer[index]<lowerBoundary||buffer[index]>upperBoundary)&&(replace=!0),charCode=charCode<<6|63&buffer[index],index++;replace?str+=String.fromCharCode(65533):charCode<=65535?str+=String.fromCharCode(charCode):(charCode-=65536,str+=String.fromCharCode(55296+(charCode>>10&1023),56320+(1023&charCode)))}}return str}(buffer,arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,arguments.length>2&&void 0!==arguments[2]?arguments[2]:buffer.length)}function packString(str){var buffer=[];return pack(str,buffer,0),buffer}function packStringTo(str,buffer){return pack(str,buffer,arguments.length>2&&void 0!==arguments[2]?arguments[2]:0)}function pack$1(value,theType){var output=[];return packTo(value,theType,output),output}function packTo(value,theType,buffer){return packArrayTo([value],theType,buffer,arguments.length>3&&void 0!==arguments[3]?arguments[3]:0)}function packArrayTo(values,theType,buffer){var index=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,packer=new NumberBuffer((theType=theType||{}).bits,theType.fp,theType.signed),offset=offset_(theType.bits),validateInput=theType.fp?validateIsNumber:validateIsInt,i=0;try{for(var valuesLen=values.length;i<valuesLen;i++){validateInput(values[i]);for(var len=index+offset;index<len;)index=packer.pack(buffer,values[i],index);swap_(theType.be,buffer,offset,index-offset,index)}}catch(e){throw new Error(e.message+" at input index "+i)}return index}function unpack$1(buffer,theType){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return unpackArray(buffer,theType,index,index+offset_(theType.bits),!0)[0]}function unpackArray(buffer,theType){var output=[];return unpackArrayTo(buffer,theType,output,arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,arguments.length>3&&void 0!==arguments[3]?arguments[3]:buffer.length,arguments.length>4&&void 0!==arguments[4]&&arguments[4]),output}function unpackArrayTo(buffer,theType,output){var start=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,end=arguments.length>4&&void 0!==arguments[4]?arguments[4]:buffer.length,safe=arguments.length>5&&void 0!==arguments[5]&&arguments[5],packer=new NumberBuffer((theType=theType||{}).bits,theType.fp,theType.signed),offset=offset_(theType.bits),extra=(end-start)%offset;if(safe&&(extra||buffer.length<offset))throw new Error("Bad buffer length");end-=extra;var i=0;try{swap_(theType.be,buffer,offset,start,end);for(var j=start;j<end;j+=offset,i++)output[i]=packer.unpack(buffer,j);swap_(theType.be,buffer,offset,start,end)}catch(e){throw new Error(e.message+" at output index "+i)}}function swap_(flip,buffer,offset,start,end){flip&&function(bytes,offset){var start=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,end=arguments.length>3&&void 0!==arguments[3]?arguments[3]:bytes.length;if(end%offset)throw new Error("Bad buffer length.");for(var index=start;index<end;index+=offset)swap(bytes,offset,index)}(buffer,offset,start,end)}function offset_(bits){return bits<8?1:Math.ceil(bits/8)}var WAV_AUDIO_FORMATS={4:17,8:1,"8a":6,"8m":7,16:1,24:1,32:1,"32f":3,64:3};function makeWavHeader(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){return"4"==bitDepthCode?function(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){var header=createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options);return header.chunkSize=40+samplesLength,header.fmt.chunkSize=20,header.fmt.byteRate=4055,header.fmt.blockAlign=256,header.fmt.bitsPerSample=4,header.fmt.cbSize=2,header.fmt.validBitsPerSample=505,header.fact={chunkId:"fact",chunkSize:4,dwSampleLength:2*samplesLength},header}(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options):"8a"==bitDepthCode||"8m"==bitDepthCode?function(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){var header=createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options);return header.chunkSize=40+samplesLength,header.fmt.chunkSize=20,header.fmt.cbSize=2,header.fmt.validBitsPerSample=8,header.fact={chunkId:"fact",chunkSize:4,dwSampleLength:samplesLength},header}(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options):-1==Object.keys(WAV_AUDIO_FORMATS).indexOf(bitDepthCode)||numChannels>2?function(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){var header=createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options);return header.chunkSize=60+samplesLength,header.fmt.chunkSize=40,header.fmt.bitsPerSample=1+(parseInt(bitDepthCode,10)-1|7),header.fmt.cbSize=22,header.fmt.validBitsPerSample=parseInt(bitDepthCode,10),header.fmt.dwChannelMask=function(numChannels){var dwChannelMask=0;return 1===numChannels?dwChannelMask=4:2===numChannels?dwChannelMask=3:4===numChannels?dwChannelMask=51:6===numChannels?dwChannelMask=63:8===numChannels&&(dwChannelMask=1599),dwChannelMask}(numChannels),header.fmt.subformat=[1,1048576,2852126848,1905997824],header}(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options):createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options)}function createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){return{container:options.container,chunkSize:36+samplesLength,format:"WAVE",bitDepth:bitDepthCode,fmt:{chunkId:"fmt ",chunkSize:16,audioFormat:WAV_AUDIO_FORMATS[bitDepthCode]||65534,numChannels:numChannels,sampleRate:sampleRate,byteRate:numChannels*numBytes*sampleRate,blockAlign:numChannels*numBytes,bitsPerSample:parseInt(bitDepthCode,10),cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]}}}function validateWavHeader_(header){!function(header){if(!WAV_AUDIO_FORMATS[header.bitDepth]){if(parseInt(header.bitDepth,10)>8&&parseInt(header.bitDepth,10)<54)return!0;throw new Error("Invalid bit depth.")}}(header),function(header){var blockAlign=header.fmt.numChannels*header.fmt.bitsPerSample/8;if(header.fmt.numChannels<1||blockAlign>65535)throw new Error("Invalid number of channels.")}(header),function(header){var byteRate=header.fmt.numChannels*(header.fmt.bitsPerSample/8)*header.fmt.sampleRate;if(header.fmt.sampleRate<1||byteRate>4294967295)throw new Error("Invalid sample rate.")}(header)}var BufferIO=function(){function BufferIO(){classCallCheck(this,BufferIO),this.head_=0}return createClass(BufferIO,[{key:"writeString_",value:function(str,maxSize){var push=!(arguments.length>2&&void 0!==arguments[2])||arguments[2],bytes=packString(str);if(push)for(var i=bytes.length;i<maxSize;i++)bytes.push(0);return bytes}},{key:"readZSTR_",value:function(bytes){for(var str="",i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;i<bytes.length&&(this.head_++,0!==bytes[i]);i++)str+=unpackString(bytes,i,i+1);return str}},{key:"readString_",value:function(bytes,maxSize){var str;return str=unpackString(bytes,this.head_,this.head_+maxSize),this.head_+=maxSize,str}},{key:"read_",value:function(bytes,bdType){var size=bdType.bits/8,value=unpack$1(bytes,bdType,this.head_);return this.head_+=size,value}}]),BufferIO}(),io=new BufferIO;function writeWavBuffer(wav){var uInt32_={bits:32,be:!1},uInt16_={bits:16,be:!1};uInt16_.be="RIFX"===wav.container,uInt32_.be=uInt16_.be;for(var fileBody=[function(wav,uInt32_){var bytes=[];if(wav.junk.chunkId)return bytes.concat(packString(wav.junk.chunkId),pack$1(wav.junk.chunkData.length,uInt32_),wav.junk.chunkData);return bytes}(wav,uInt32_),function(wav,uInt32_){var bytes=[];wav.ds64.chunkId&&(bytes=bytes.concat(packString(wav.ds64.chunkId),pack$1(wav.ds64.chunkSize,uInt32_),pack$1(wav.ds64.riffSizeHigh,uInt32_),pack$1(wav.ds64.riffSizeLow,uInt32_),pack$1(wav.ds64.dataSizeHigh,uInt32_),pack$1(wav.ds64.dataSizeLow,uInt32_),pack$1(wav.ds64.originationTime,uInt32_),pack$1(wav.ds64.sampleCountHigh,uInt32_),pack$1(wav.ds64.sampleCountLow,uInt32_)));return bytes}(wav,uInt32_),function(wav,uInt32_,uInt16_){var bytes=[];(function(wav){for(var prop in wav.bext)if(wav.bext.hasOwnProperty(prop)&&wav.bext[prop]&&"timeReference"!=prop){wav.bext.chunkId="bext";break}(wav.bext.timeReference[0]||wav.bext.timeReference[1])&&(wav.bext.chunkId="bext")})(wav),wav.bext.chunkId&&(wav.bext.chunkSize=602+wav.bext.codingHistory.length,bytes=bytes.concat(packString(wav.bext.chunkId),pack$1(602+wav.bext.codingHistory.length,uInt32_),io.writeString_(wav.bext.description,256),io.writeString_(wav.bext.originator,32),io.writeString_(wav.bext.originatorReference,32),io.writeString_(wav.bext.originationDate,10),io.writeString_(wav.bext.originationTime,8),pack$1(wav.bext.timeReference[0],uInt32_),pack$1(wav.bext.timeReference[1],uInt32_),pack$1(wav.bext.version,uInt16_),io.writeString_(wav.bext.UMID,64),pack$1(wav.bext.loudnessValue,uInt16_),pack$1(wav.bext.loudnessRange,uInt16_),pack$1(wav.bext.maxTruePeakLevel,uInt16_),pack$1(wav.bext.maxMomentaryLoudness,uInt16_),pack$1(wav.bext.maxShortTermLoudness,uInt16_),io.writeString_(wav.bext.reserved,180),io.writeString_(wav.bext.codingHistory,wav.bext.codingHistory.length)));return bytes}(wav,uInt32_,uInt16_),function(wav,uInt32_,uInt16_){if(wav.fmt.chunkId)return[].concat(packString(wav.fmt.chunkId),pack$1(wav.fmt.chunkSize,uInt32_),pack$1(wav.fmt.audioFormat,uInt16_),pack$1(wav.fmt.numChannels,uInt16_),pack$1(wav.fmt.sampleRate,uInt32_),pack$1(wav.fmt.byteRate,uInt32_),pack$1(wav.fmt.blockAlign,uInt16_),pack$1(wav.fmt.bitsPerSample,uInt16_),function(wav,uInt32_,uInt16_){var extension=[];wav.fmt.chunkSize>16&&(extension=extension.concat(pack$1(wav.fmt.cbSize,uInt16_)));wav.fmt.chunkSize>18&&(extension=extension.concat(pack$1(wav.fmt.validBitsPerSample,uInt16_)));wav.fmt.chunkSize>20&&(extension=extension.concat(pack$1(wav.fmt.dwChannelMask,uInt32_)));wav.fmt.chunkSize>24&&(extension=extension.concat(pack$1(wav.fmt.subformat[0],uInt32_),pack$1(wav.fmt.subformat[1],uInt32_),pack$1(wav.fmt.subformat[2],uInt32_),pack$1(wav.fmt.subformat[3],uInt32_)));return extension}(wav,uInt32_,uInt16_));throw Error('Could not find the "fmt " chunk')}(wav,uInt32_,uInt16_),function(wav,uInt32_){var bytes=[];wav.fact.chunkId&&(bytes=bytes.concat(packString(wav.fact.chunkId),pack$1(wav.fact.chunkSize,uInt32_),pack$1(wav.fact.dwSampleLength,uInt32_)));return bytes}(wav,uInt32_),packString(wav.data.chunkId),pack$1(wav.data.samples.length,uInt32_),wav.data.samples,function(wav,uInt32_){var bytes=[];if(wav.cue.chunkId){var cuePointsBytes=function(wav,uInt32_){for(var points=[],i=0;i<wav.cue.dwCuePoints;i++)points=points.concat(pack$1(wav.cue.points[i].dwName,uInt32_),pack$1(wav.cue.points[i].dwPosition,uInt32_),packString(wav.cue.points[i].fccChunk),pack$1(wav.cue.points[i].dwChunkStart,uInt32_),pack$1(wav.cue.points[i].dwBlockStart,uInt32_),pack$1(wav.cue.points[i].dwSampleOffset,uInt32_));return points}(wav,uInt32_);bytes=bytes.concat(packString(wav.cue.chunkId),pack$1(cuePointsBytes.length+4,uInt32_),pack$1(wav.cue.dwCuePoints,uInt32_),cuePointsBytes)}return bytes}(wav,uInt32_),function(wav,uInt32_){var bytes=[];if(wav.smpl.chunkId){var smplLoopsBytes=function(wav,uInt32_){for(var loops=[],i=0;i<wav.smpl.dwNumSampleLoops;i++)loops=loops.concat(pack$1(wav.smpl.loops[i].dwName,uInt32_),pack$1(wav.smpl.loops[i].dwType,uInt32_),pack$1(wav.smpl.loops[i].dwStart,uInt32_),pack$1(wav.smpl.loops[i].dwEnd,uInt32_),pack$1(wav.smpl.loops[i].dwFraction,uInt32_),pack$1(wav.smpl.loops[i].dwPlayCount,uInt32_));return loops}(wav,uInt32_);bytes=bytes.concat(packString(wav.smpl.chunkId),pack$1(smplLoopsBytes.length+36,uInt32_),pack$1(wav.smpl.dwManufacturer,uInt32_),pack$1(wav.smpl.dwProduct,uInt32_),pack$1(wav.smpl.dwSamplePeriod,uInt32_),pack$1(wav.smpl.dwMIDIUnityNote,uInt32_),pack$1(wav.smpl.dwMIDIPitchFraction,uInt32_),pack$1(wav.smpl.dwSMPTEFormat,uInt32_),pack$1(wav.smpl.dwSMPTEOffset,uInt32_),pack$1(wav.smpl.dwNumSampleLoops,uInt32_),pack$1(wav.smpl.dwSamplerData,uInt32_),smplLoopsBytes)}return bytes}(wav,uInt32_),function(wav,uInt32_,uInt16_){for(var bytes=[],i=0;i<wav.LIST.length;i++){var subChunksBytes=getLISTSubChunksBytes_(wav.LIST[i].subChunks,wav.LIST[i].format,wav,uInt32_,uInt16_);bytes=bytes.concat(packString(wav.LIST[i].chunkId),pack$1(subChunksBytes.length+4,uInt32_),packString(wav.LIST[i].format),subChunksBytes)}return bytes}(wav,uInt32_,uInt16_)],fileBodyLength=0,i=0;i<fileBody.length;i++)fileBodyLength+=fileBody[i].length;var file=new Uint8Array(fileBodyLength+12),index=0;index=packTo(fileBodyLength+4,uInt32_,file,index=packStringTo(wav.container,file,index)),index=packStringTo(wav.format,file,index);for(var _i=0;_i<fileBody.length;_i++)file.set(fileBody[_i],index),index+=fileBody[_i].length;return file}function getLISTSubChunksBytes_(subChunks,format,wav,uInt32_,uInt16_){for(var bytes=[],i=0;i<subChunks.length;i++)"INFO"==format?(bytes=bytes.concat(packString(subChunks[i].chunkId),pack$1(subChunks[i].value.length+1,uInt32_),io.writeString_(subChunks[i].value,subChunks[i].value.length))).push(0):"adtl"==format&&(["labl","note"].indexOf(subChunks[i].chunkId)>-1?(bytes=bytes.concat(packString(subChunks[i].chunkId),pack$1(subChunks[i].value.length+4+1,uInt32_),pack$1(subChunks[i].dwName,uInt32_),io.writeString_(subChunks[i].value,subChunks[i].value.length))).push(0):"ltxt"==subChunks[i].chunkId&&(bytes=bytes.concat(getLtxtChunkBytes_(subChunks[i],wav,uInt32_,uInt16_)))),bytes.length%2&&bytes.push(0);return bytes}function getLtxtChunkBytes_(ltxt,wav,uInt32_,uInt16_){return[].concat(packString(ltxt.chunkId),pack$1(ltxt.value.length+20,uInt32_),pack$1(ltxt.dwName,uInt32_),pack$1(ltxt.dwSampleLength,uInt32_),pack$1(ltxt.dwPurposeID,uInt32_),pack$1(ltxt.dwCountry,uInt16_),pack$1(ltxt.dwLanguage,uInt16_),pack$1(ltxt.dwDialect,uInt16_),pack$1(ltxt.dwCodePage,uInt16_),io.writeString_(ltxt.value,ltxt.value.length))}var uInt32_={bits:32},head_=0;function riffChunks(buffer){head_=0;var chunkId=getChunkId_(buffer,0);uInt32_.be="RIFX"==chunkId;var format=unpackString(buffer,8,12);return head_+=4,{chunkId:chunkId,chunkSize:getChunkSize_(buffer,0),format:format,subChunks:getSubChunksIndex_(buffer)}}function findChunk(chunks,chunkId){for(var multiple=arguments.length>2&&void 0!==arguments[2]&&arguments[2],chunk=[],i=0;i<chunks.length;i++)if(chunks[i].chunkId==chunkId){if(!multiple)return chunks[i];chunk.push(chunks[i])}return"LIST"==chunkId&&chunk.length?chunk:null}function getSubChunksIndex_(buffer){for(var chunks=[],i=head_;i<=buffer.length-8;)chunks.push(getSubChunkIndex_(buffer,i)),i=(i+=8+chunks[chunks.length-1].chunkSize)%2?i+1:i;return chunks}function getSubChunkIndex_(buffer,index){var chunk={chunkId:getChunkId_(buffer,index),chunkSize:getChunkSize_(buffer,index)};if("LIST"==chunk.chunkId)chunk.format=unpackString(buffer,index+8,index+12),head_+=4,chunk.subChunks=getSubChunksIndex_(buffer);else{var realChunkSize=chunk.chunkSize%2?chunk.chunkSize+1:chunk.chunkSize;head_=index+8+realChunkSize,chunk.chunkData={start:index+8,end:head_}}return chunk}function getChunkId_(buffer,index){return head_+=4,unpackString(buffer,index,index+4)}function getChunkSize_(buffer,index){return head_+=4,unpack$1(buffer,uInt32_,index+4)}var io$1=new BufferIO;function readWavBuffer(buffer,samples,wav){io$1.head_=0;var uInt32_={bits:32,be:!1},uInt16_={bits:16,be:!1};!function(bytes,wav,uInt32_,uInt16_){if(io$1.head_=0,wav.container=io$1.readString_(bytes,4),-1===["RIFF","RIFX","RF64"].indexOf(wav.container))throw Error("Not a supported format.");if(uInt16_.be="RIFX"===wav.container,uInt32_.be=uInt16_.be,wav.chunkSize=io$1.read_(bytes,uInt32_),wav.format=io$1.readString_(bytes,4),"WAVE"!=wav.format)throw Error('Could not find the "WAVE" format identifier')}(buffer,wav,uInt32_,uInt16_);var chunk=riffChunks(buffer);!function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"ds64");if(chunk)io$1.head_=chunk.chunkData.start,wav.ds64.chunkId=chunk.chunkId,wav.ds64.chunkSize=chunk.chunkSize,wav.ds64.riffSizeHigh=io$1.read_(buffer,uInt32_),wav.ds64.riffSizeLow=io$1.read_(buffer,uInt32_),wav.ds64.dataSizeHigh=io$1.read_(buffer,uInt32_),wav.ds64.dataSizeLow=io$1.read_(buffer,uInt32_),wav.ds64.originationTime=io$1.read_(buffer,uInt32_),wav.ds64.sampleCountHigh=io$1.read_(buffer,uInt32_),wav.ds64.sampleCountLow=io$1.read_(buffer,uInt32_);else if("RF64"==wav.container)throw Error('Could not find the "ds64" chunk')}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,wav,uInt32_,uInt16_){var chunk=findChunk(signature,"fmt ");if(!chunk)throw Error('Could not find the "fmt " chunk');io$1.head_=chunk.chunkData.start,wav.fmt.chunkId=chunk.chunkId,wav.fmt.chunkSize=chunk.chunkSize,wav.fmt.audioFormat=io$1.read_(buffer,uInt16_),wav.fmt.numChannels=io$1.read_(buffer,uInt16_),wav.fmt.sampleRate=io$1.read_(buffer,uInt32_),wav.fmt.byteRate=io$1.read_(buffer,uInt32_),wav.fmt.blockAlign=io$1.read_(buffer,uInt16_),wav.fmt.bitsPerSample=io$1.read_(buffer,uInt16_),function(buffer,wav,uInt32_,uInt16_){wav.fmt.chunkSize>16&&(wav.fmt.cbSize=io$1.read_(buffer,uInt16_),wav.fmt.chunkSize>18&&(wav.fmt.validBitsPerSample=io$1.read_(buffer,uInt16_),wav.fmt.chunkSize>20&&(wav.fmt.dwChannelMask=io$1.read_(buffer,uInt32_),wav.fmt.subformat=[io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_)])))}(buffer,wav,uInt32_,uInt16_)}(buffer,chunk.subChunks,wav,uInt32_,uInt16_),function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"fact");chunk&&(io$1.head_=chunk.chunkData.start,wav.fact.chunkId=chunk.chunkId,wav.fact.chunkSize=chunk.chunkSize,wav.fact.dwSampleLength=io$1.read_(buffer,uInt32_))}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,wav,uInt32_,uInt16_){var chunk=findChunk(signature,"bext");chunk&&(io$1.head_=chunk.chunkData.start,wav.bext.chunkId=chunk.chunkId,wav.bext.chunkSize=chunk.chunkSize,wav.bext.description=io$1.readString_(buffer,256),wav.bext.originator=io$1.readString_(buffer,32),wav.bext.originatorReference=io$1.readString_(buffer,32),wav.bext.originationDate=io$1.readString_(buffer,10),wav.bext.originationTime=io$1.readString_(buffer,8),wav.bext.timeReference=[io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_)],wav.bext.version=io$1.read_(buffer,uInt16_),wav.bext.UMID=io$1.readString_(buffer,64),wav.bext.loudnessValue=io$1.read_(buffer,uInt16_),wav.bext.loudnessRange=io$1.read_(buffer,uInt16_),wav.bext.maxTruePeakLevel=io$1.read_(buffer,uInt16_),wav.bext.maxMomentaryLoudness=io$1.read_(buffer,uInt16_),wav.bext.maxShortTermLoudness=io$1.read_(buffer,uInt16_),wav.bext.reserved=io$1.readString_(buffer,180),wav.bext.codingHistory=io$1.readString_(buffer,wav.bext.chunkSize-602))}(buffer,chunk.subChunks,wav,uInt32_,uInt16_),function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"cue ");if(chunk){io$1.head_=chunk.chunkData.start,wav.cue.chunkId=chunk.chunkId,wav.cue.chunkSize=chunk.chunkSize,wav.cue.dwCuePoints=io$1.read_(buffer,uInt32_);for(var i=0;i<wav.cue.dwCuePoints;i++)wav.cue.points.push({dwName:io$1.read_(buffer,uInt32_),dwPosition:io$1.read_(buffer,uInt32_),fccChunk:io$1.readString_(buffer,4),dwChunkStart:io$1.read_(buffer,uInt32_),dwBlockStart:io$1.read_(buffer,uInt32_),dwSampleOffset:io$1.read_(buffer,uInt32_)})}}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"smpl");if(chunk){io$1.head_=chunk.chunkData.start,wav.smpl.chunkId=chunk.chunkId,wav.smpl.chunkSize=chunk.chunkSize,wav.smpl.dwManufacturer=io$1.read_(buffer,uInt32_),wav.smpl.dwProduct=io$1.read_(buffer,uInt32_),wav.smpl.dwSamplePeriod=io$1.read_(buffer,uInt32_),wav.smpl.dwMIDIUnityNote=io$1.read_(buffer,uInt32_),wav.smpl.dwMIDIPitchFraction=io$1.read_(buffer,uInt32_),wav.smpl.dwSMPTEFormat=io$1.read_(buffer,uInt32_),wav.smpl.dwSMPTEOffset=io$1.read_(buffer,uInt32_),wav.smpl.dwNumSampleLoops=io$1.read_(buffer,uInt32_),wav.smpl.dwSamplerData=io$1.read_(buffer,uInt32_);for(var i=0;i<wav.smpl.dwNumSampleLoops;i++)wav.smpl.loops.push({dwName:io$1.read_(buffer,uInt32_),dwType:io$1.read_(buffer,uInt32_),dwStart:io$1.read_(buffer,uInt32_),dwEnd:io$1.read_(buffer,uInt32_),dwFraction:io$1.read_(buffer,uInt32_),dwPlayCount:io$1.read_(buffer,uInt32_)})}}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,samples,wav){var chunk=findChunk(signature,"data");if(!chunk)throw Error('Could not find the "data" chunk');wav.data.chunkId="data",wav.data.chunkSize=chunk.chunkSize,samples&&(wav.data.samples=buffer.slice(chunk.chunkData.start,chunk.chunkData.end))}(buffer,chunk.subChunks,samples,wav),function(buffer,signature,wav){var chunk=findChunk(signature,"junk");chunk&&(wav.junk={chunkId:chunk.chunkId,chunkSize:chunk.chunkSize,chunkData:[].slice.call(buffer.slice(chunk.chunkData.start,chunk.chunkData.end))})}(buffer,chunk.subChunks,wav),function(buffer,signature,wav,uInt32_,uInt16_){var listChunks=findChunk(signature,"LIST",!0);if(null===listChunks)return;for(var j=0;j<listChunks.length;j++){var subChunk=listChunks[j];wav.LIST.push({chunkId:subChunk.chunkId,chunkSize:subChunk.chunkSize,format:subChunk.format,subChunks:[]});for(var x=0;x<subChunk.subChunks.length;x++)readLISTSubChunks_(subChunk.subChunks[x],subChunk.format,buffer,wav,uInt32_,uInt16_)}}(buffer,chunk.subChunks,wav,uInt32_,uInt16_)}function readLISTSubChunks_(subChunk,format,buffer,wav,uInt32_,uInt16_){if("adtl"==format){if(["labl","note","ltxt"].indexOf(subChunk.chunkId)>-1){io$1.head_=subChunk.chunkData.start;var item={chunkId:subChunk.chunkId,chunkSize:subChunk.chunkSize,dwName:io$1.read_(buffer,uInt32_)};"ltxt"==subChunk.chunkId&&(item.dwSampleLength=io$1.read_(buffer,uInt32_),item.dwPurposeID=io$1.read_(buffer,uInt32_),item.dwCountry=io$1.read_(buffer,uInt16_),item.dwLanguage=io$1.read_(buffer,uInt16_),item.dwDialect=io$1.read_(buffer,uInt16_),item.dwCodePage=io$1.read_(buffer,uInt16_)),item.value=io$1.readZSTR_(buffer,io$1.head_),wav.LIST[wav.LIST.length-1].subChunks.push(item)}}else"INFO"==format&&(io$1.head_=subChunk.chunkData.start,wav.LIST[wav.LIST.length-1].subChunks.push({chunkId:subChunk.chunkId,chunkSize:subChunk.chunkSize,value:io$1.readZSTR_(buffer,io$1.head_)}))}var WavBuffer=function WavBuffer(){classCallCheck(this,WavBuffer),this.container="",this.chunkSize=0,this.format="",this.fmt={chunkId:"",chunkSize:0,audioFormat:0,numChannels:0,sampleRate:0,byteRate:0,blockAlign:0,bitsPerSample:0,cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]},this.fact={chunkId:"",chunkSize:0,dwSampleLength:0},this.cue={chunkId:"",chunkSize:0,dwCuePoints:0,points:[]},this.smpl={chunkId:"",chunkSize:0,dwManufacturer:0,dwProduct:0,dwSamplePeriod:0,dwMIDIUnityNote:0,dwMIDIPitchFraction:0,dwSMPTEFormat:0,dwSMPTEOffset:0,dwNumSampleLoops:0,dwSamplerData:0,loops:[]},this.bext={chunkId:"",chunkSize:0,description:"",originator:"",originatorReference:"",originationDate:"",originationTime:"",timeReference:[0,0],version:0,UMID:"",loudnessValue:0,loudnessRange:0,maxTruePeakLevel:0,maxMomentaryLoudness:0,maxShortTermLoudness:0,reserved:"",codingHistory:""},this.ds64={chunkId:"",chunkSize:0,riffSizeHigh:0,riffSizeLow:0,dataSizeHigh:0,dataSizeLow:0,originationTime:0,sampleCountHigh:0,sampleCountLow:0},this.data={chunkId:"",chunkSize:0,samples:new Uint8Array(0)},this.LIST=[],this.junk={chunkId:"",chunkSize:0,chunkData:[]}};return function(_WavBuffer){function WaveFile(){var bytes=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;classCallCheck(this,WaveFile);var _this=possibleConstructorReturn(this,(WaveFile.__proto__||Object.getPrototypeOf(WaveFile)).call(this));return _this.bitDepth="0",_this.dataType={},bytes&&_this.fromBuffer(bytes),_this}return inherits(WaveFile,WavBuffer),createClass(WaveFile,[{key:"getSample",value:function(index){if((index*=this.dataType.bits/8)+this.dataType.bits/8>this.data.samples.length)throw new Error("Range error");return unpack$1(this.data.samples.slice(index,index+this.dataType.bits/8),this.dataType)}},{key:"setSample",value:function(index,sample){if((index*=this.dataType.bits/8)+this.dataType.bits/8>this.data.samples.length)throw new Error("Range error");packTo(sample,this.dataType,this.data.samples,index)}},{key:"fromScratch",value:function(numChannels,sampleRate,bitDepthCode,samples){var options=arguments.length>4&&void 0!==arguments[4]?arguments[4]:{};options.container||(options.container="RIFF"),this.container=options.container,this.bitDepth=bitDepthCode,samples=this.interleave_(samples),this.updateDataType_();var numBytes=this.dataType.bits/8;this.data.samples=new Uint8Array(samples.length*numBytes),packArrayTo(samples,this.dataType,this.data.samples);var header=makeWavHeader(bitDepthCode,numChannels,sampleRate,numBytes,this.data.samples.length,options);this.clearHeader_(),this.chunkSize=header.chunkSize,this.format=header.format,this.fmt=header.fmt,header.fact&&(this.fact=header.fact),this.data.chunkId="data",this.data.chunkSize=this.data.samples.length,validateWavHeader_(this)}},{key:"fromBuffer",value:function(bytes){var samples=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];this.clearHeader_(),readWavBuffer(bytes,samples,this),this.bitDepthFromFmt_(),this.updateDataType_()}},{key:"toBuffer",value:function(){return validateWavHeader_(this),writeWavBuffer(this)}},{key:"fromBase64",value:function(base64String){this.fromBuffer(new Uint8Array(function(base64){var len=base64.length,bufferLength=.75*base64.length,p=0,encoded1=void 0,encoded2=void 0,encoded3=void 0,encoded4=void 0;"="===base64[base64.length-1]&&(bufferLength--,"="===base64[base64.length-2]&&bufferLength--);for(var arraybuffer=new ArrayBuffer(bufferLength),bytes=new Uint8Array(arraybuffer),_i2=0;_i2<len;_i2+=4)encoded1=lookup[base64.charCodeAt(_i2)],encoded2=lookup[base64.charCodeAt(_i2+1)],encoded3=lookup[base64.charCodeAt(_i2+2)],encoded4=lookup[base64.charCodeAt(_i2+3)],bytes[p++]=encoded1<<2|encoded2>>4,bytes[p++]=(15&encoded2)<<4|encoded3>>2,bytes[p++]=(3&encoded3)<<6|63&encoded4;return arraybuffer}(base64String)))}},{key:"toBase64",value:function(){var buffer=this.toBuffer();return function(arraybuffer,byteOffset,length){for(var bytes=new Uint8Array(arraybuffer,byteOffset,length),len=bytes.length,base64="",_i=0;_i<len;_i+=3)base64+=chars[bytes[_i]>>2],base64+=chars[(3&bytes[_i])<<4|bytes[_i+1]>>4],base64+=chars[(15&bytes[_i+1])<<2|bytes[_i+2]>>6],base64+=chars[63&bytes[_i+2]];return len%3==2?base64=base64.substring(0,base64.length-1)+"=":len%3==1&&(base64=base64.substring(0,base64.length-2)+"=="),base64}(buffer,0,buffer.length)}},{key:"toDataURI",value:function(){return"data:audio/wav;base64,"+this.toBase64()}},{key:"fromDataURI",value:function(dataURI){this.fromBase64(dataURI.replace("data:audio/wav;base64,",""))}},{key:"toRIFF",value:function(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,unpackArray(this.data.samples,this.dataType))}},{key:"toRIFX",value:function(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,unpackArray(this.data.samples,this.dataType),{container:"RIFX"})}},{key:"toBitDepth",value:function(newBitDepth){var changeResolution=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],toBitDepth=newBitDepth,thisBitDepth=this.bitDepth;changeResolution||("32f"!=newBitDepth&&(toBitDepth=this.dataType.bits.toString()),thisBitDepth=this.dataType.bits),this.assureUncompressed_();var sampleCount=this.data.samples.length/(this.dataType.bits/8),typedSamplesInput=new Float64Array(sampleCount+1),typedSamplesOutput=new Float64Array(sampleCount+1);unpackArrayTo(this.data.samples,this.dataType,typedSamplesInput),"32f"!=thisBitDepth&&"64"!=thisBitDepth||this.truncateSamples_(typedSamplesInput),bitDepth(typedSamplesInput,thisBitDepth,toBitDepth,typedSamplesOutput),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,newBitDepth,typedSamplesOutput,{container:this.correctContainer_()})}},{key:"toIMAADPCM",value:function(){if(8e3!==this.fmt.sampleRate)throw new Error("Only 8000 Hz files can be compressed as IMA-ADPCM.");if(1!==this.fmt.numChannels)throw new Error("Only mono files can be compressed as IMA-ADPCM.");this.assure16Bit_();var output=new Int16Array(this.data.samples.length/2);unpackArrayTo(this.data.samples,this.dataType,output),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"4",function(samples){for(var adpcmSamples=new Uint8Array(samples.length/2+512),block=[],fileIndex=0,i=0;i<samples.length;i++)i%505==0&&0!=i&&(adpcmSamples.set(encodeBlock(block),fileIndex),fileIndex+=256,block=[]),block.push(samples[i]);return adpcmSamples}(output),{container:this.correctContainer_()})}},{key:"fromIMAADPCM",value:function(){var bitDepthCode=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"16";this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(adpcmSamples){for(var blockAlign=arguments.length>1&&void 0!==arguments[1]?arguments[1]:256,samples=new Int16Array(2*adpcmSamples.length),block=[],fileIndex=0,i=0;i<adpcmSamples.length;i++)i%blockAlign==0&&0!=i&&(samples.set(decodeBlock(block),fileIndex),fileIndex+=2*blockAlign,block=[]),block.push(adpcmSamples[i]);return samples}(this.data.samples,this.fmt.blockAlign),{container:this.correctContainer_()}),"16"!=bitDepthCode&&this.toBitDepth(bitDepthCode)}},{key:"toALaw",value:function(){this.assure16Bit_();var output=new Int16Array(this.data.samples.length/2);unpackArrayTo(this.data.samples,this.dataType,output),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8a",function(samples){for(var aLawSamples=new Uint8Array(samples.length),i=0;i<samples.length;i++)aLawSamples[i]=encodeSample(samples[i]);return aLawSamples}(output),{container:this.correctContainer_()})}},{key:"fromALaw",value:function(){var bitDepthCode=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"16";this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(samples){for(var pcmSamples=new Int16Array(samples.length),i=0;i<samples.length;i++)pcmSamples[i]=decodeSample(samples[i]);return pcmSamples}(this.data.samples),{container:this.correctContainer_()}),"16"!=bitDepthCode&&this.toBitDepth(bitDepthCode)}},{key:"toMuLaw",value:function(){this.assure16Bit_();var output=new Int16Array(this.data.samples.length/2);unpackArrayTo(this.data.samples,this.dataType,output),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8m",function(samples){for(var sample,sign,exponent,muLawSamples=new Uint8Array(samples.length),i=0;i<samples.length;i++)muLawSamples[i]=(sample=samples[i],sign=void 0,exponent=void 0,0!=(sign=sample>>8&128)&&(sample=-sample),sample>CLIP&&(sample=CLIP),~(sign|(exponent=encodeTable[(sample+=BIAS)>>7&255])<<4|sample>>exponent+3&15));return muLawSamples}(output),{container:this.correctContainer_()})}},{key:"fromMuLaw",value:function(){var bitDepthCode=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"16";this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(samples){for(var muLawSample,sign,exponent,mantissa,sample,pcmSamples=new Int16Array(samples.length),i=0;i<samples.length;i++)pcmSamples[i]=(muLawSample=samples[i],sign=void 0,exponent=void 0,mantissa=void 0,sample=void 0,sample=void 0,sign=128&(muLawSample=~muLawSample),mantissa=15&muLawSample,sample=decodeTable[exponent=muLawSample>>4&7]+(mantissa<<exponent+3),0!=sign&&(sample=-sample),sample);return pcmSamples}(this.data.samples),{container:this.correctContainer_()}),"16"!=bitDepthCode&&this.toBitDepth(bitDepthCode)}},{key:"setTag",value:function(tag,value){tag=this.fixTagName_(tag);var index=this.getTagIndex_(tag);null!==index.TAG?(this.LIST[index.LIST].subChunks[index.TAG].chunkSize=value.length+1,this.LIST[index.LIST].subChunks[index.TAG].value=value):null!==index.LIST?this.LIST[index.LIST].subChunks.push({chunkId:tag,chunkSize:value.length+1,value:value}):(this.LIST.push({chunkId:"LIST",chunkSize:8+value.length+1,format:"INFO",subChunks:[]}),this.LIST[this.LIST.length-1].subChunks.push({chunkId:tag,chunkSize:value.length+1,value:value}))}},{key:"getTag",value:function(tag){var index=this.getTagIndex_(tag);return null!==index.TAG?this.LIST[index.LIST].subChunks[index.TAG].value:null}},{key:"listTags",value:function(){var index=this.getLISTINFOIndex_(),tags={};if(null!==index)for(var i=0,len=this.LIST[index].subChunks.length;i<len;i++)tags[this.LIST[index].subChunks[i].chunkId]=this.LIST[index].subChunks[i].value;return tags}},{key:"deleteTag",value:function(tag){var index=this.getTagIndex_(tag);return null!==index.TAG&&(this.LIST[index.LIST].subChunks.splice(index.TAG,1),!0)}},{key:"setCuePoint",value:function(position){var labl=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"";this.cue.chunkId="cue ",position=position*this.fmt.sampleRate/1e3;var existingPoints=this.getCuePoints_();this.clearLISTadtl_();var len=this.cue.points.length;this.cue.points=[];var hasSet=!1;if(0===len)this.setCuePoint_(position,1,labl);else{for(var i=0;i<len;i++)existingPoints[i].dwPosition>position&&!hasSet?(this.setCuePoint_(position,i+1,labl),this.setCuePoint_(existingPoints[i].dwPosition,i+2,existingPoints[i].label),hasSet=!0):this.setCuePoint_(existingPoints[i].dwPosition,i+1,existingPoints[i].label);hasSet||this.setCuePoint_(position,this.cue.points.length+1,labl)}this.cue.dwCuePoints=this.cue.points.length}},{key:"deleteCuePoint",value:function(index){this.cue.chunkId="cue ";var existingPoints=this.getCuePoints_();this.clearLISTadtl_();var len=this.cue.points.length;this.cue.points=[];for(var i=0;i<len;i++)i+1!==index&&this.setCuePoint_(existingPoints[i].dwPosition,i+1,existingPoints[i].label);this.cue.dwCuePoints=this.cue.points.length,this.cue.dwCuePoints?this.cue.chunkId="cue ":(this.cue.chunkId="",this.clearLISTadtl_())}},{key:"listCuePoints",value:function(){for(var points=this.getCuePoints_(),i=0,len=points.length;i<len;i++)points[i].milliseconds=points[i].dwPosition/this.fmt.sampleRate*1e3;return points}},{key:"updateLabel",value:function(pointIndex,label){var cIndex=this.getAdtlChunk_();if(null!==cIndex)for(var i=0,len=this.LIST[cIndex].subChunks.length;i<len;i++)this.LIST[cIndex].subChunks[i].dwName==pointIndex&&(this.LIST[cIndex].subChunks[i].value=label)}},{key:"bitDepthFromFmt_",value:function(){3===this.fmt.audioFormat&&32===this.fmt.bitsPerSample?this.bitDepth="32f":6===this.fmt.audioFormat?this.bitDepth="8a":7===this.fmt.audioFormat?this.bitDepth="8m":this.bitDepth=this.fmt.bitsPerSample.toString()}},{key:"setCuePoint_",value:function(position,dwName,label){this.cue.points.push({dwName:dwName,dwPosition:position,fccChunk:"data",dwChunkStart:0,dwBlockStart:0,dwSampleOffset:position}),this.setLabl_(dwName,label)}},{key:"getCuePoints_",value:function(){for(var points=[],i=0,len=this.cue.points.length;i<len;i++)points.push({dwPosition:this.cue.points[i].dwPosition,label:this.getLabelForCuePoint_(this.cue.points[i].dwName)});return points}},{key:"getLabelForCuePoint_",value:function(pointDwName){var cIndex=this.getAdtlChunk_();if(null!==cIndex)for(var i=0,len=this.LIST[cIndex].subChunks.length;i<len;i++)if(this.LIST[cIndex].subChunks[i].dwName==pointDwName)return this.LIST[cIndex].subChunks[i].value;return""}},{key:"clearLISTadtl_",value:function(){for(var i=0,len=this.LIST.length;i<len;i++)"adtl"==this.LIST[i].format&&this.LIST.splice(i)}},{key:"setLabl_",value:function(dwName,label){var adtlIndex=this.getAdtlChunk_();null===adtlIndex&&(this.LIST.push({chunkId:"LIST",chunkSize:4,format:"adtl",subChunks:[]}),adtlIndex=this.LIST.length-1),this.setLabelText_(null===adtlIndex?0:adtlIndex,dwName,label)}},{key:"setLabelText_",value:function(adtlIndex,dwName,label){this.LIST[adtlIndex].subChunks.push({chunkId:"labl",chunkSize:label.length,dwName:dwName,value:label}),this.LIST[adtlIndex].chunkSize+=label.length+4+4+4+1}},{key:"getAdtlChunk_",value:function(){for(var i=0,len=this.LIST.length;i<len;i++)if("adtl"==this.LIST[i].format)return i;return null}},{key:"getLISTINFOIndex_",value:function(){for(var index=null,i=0,len=this.LIST.length;i<len;i++)if("INFO"===this.LIST[i].format){index=i;break}return index}},{key:"getTagIndex_",value:function(tag){for(var index={LIST:null,TAG:null},i=0,len=this.LIST.length;i<len;i++)if("INFO"==this.LIST[i].format){index.LIST=i;for(var j=0,subLen=this.LIST[i].subChunks.length;j<subLen;j++)if(this.LIST[i].subChunks[j].chunkId==tag){index.TAG=j;break}break}return index}},{key:"fixTagName_",value:function(tag){if(tag.constructor!==String)throw new Error("Invalid tag name.");if(tag.length<4)for(var i=0,len=4-tag.length;i<len;i++)tag+=" ";return tag}},{key:"clearHeader_",value:function(){this.fmt.cbSize=0,this.fmt.validBitsPerSample=0,this.fact.chunkId="",this.ds64.chunkId=""}},{key:"assure16Bit_",value:function(){this.assureUncompressed_(),"16"!=this.bitDepth&&this.toBitDepth("16")}},{key:"assureUncompressed_",value:function(){"8a"==this.bitDepth?this.fromALaw():"8m"==this.bitDepth?this.fromMuLaw():"4"==this.bitDepth&&this.fromIMAADPCM()}},{key:"interleave_",value:function(samples){if(samples.length>0&&samples[0].constructor===Array){for(var finalSamples=[],i=0,len=samples[0].length;i<len;i++)for(var j=0,subLen=samples.length;j<subLen;j++)finalSamples.push(samples[j][i]);samples=finalSamples}return samples}},{key:"updateDataType_",value:function(){this.dataType={bits:1+(parseInt(this.bitDepth,10)-1|7),fp:"32f"==this.bitDepth||"64"==this.bitDepth,signed:"8"!=this.bitDepth,be:"RIFX"==this.container},["4","8a","8m"].indexOf(this.bitDepth)>-1&&(this.dataType.bits=8,this.dataType.signed=!1)}},{key:"correctContainer_",value:function(){return"RF64"==this.container?"RIFF":this.container}},{key:"truncateSamples_",value:function(samples){for(var i=0,len=samples.length;i<len;i++)samples[i]>1?samples[i]=1:samples[i]<-1&&(samples[i]=-1)}}]),WaveFile}()});
+Array.prototype.includes||Object.defineProperty(Array.prototype,"includes",{value:function(searchElement,fromIndex){if(null==this)throw new TypeError('"this" is null or not defined');var o=Object(this),len=o.length>>>0;if(0===len)return!1;var x,y,n=0|fromIndex,k=Math.max(n>=0?n:len-Math.abs(n),0);for(;k<len;){if((x=o[k])===(y=searchElement)||"number"==typeof x&&"number"==typeof y&&isNaN(x)&&isNaN(y))return!0;k++}return!1}}),String.prototype.codePointAt||function(){"use strict";var defineProperty=function(){try{var object={},$defineProperty=Object.defineProperty,result=$defineProperty(object,object,object)&&$defineProperty}catch(error){}return result}(),codePointAt=function(position){if(null==this)throw TypeError();var string=String(this),size=string.length,index=position?Number(position):0;if(index!=index&&(index=0),!(index<0||index>=size)){var second,first=string.charCodeAt(index);return first>=55296&&first<=56319&&size>index+1&&(second=string.charCodeAt(index+1))>=56320&&second<=57343?1024*(first-55296)+second-56320+65536:first}};defineProperty?defineProperty(String.prototype,"codePointAt",{value:codePointAt,configurable:!0,writable:!0}):String.prototype.codePointAt=codePointAt}(),Uint8Array.prototype.slice||Object.defineProperty(Uint8Array.prototype,"slice",{value:Array.prototype.slice}),function(global,factory){"object"==typeof exports&&"undefined"!=typeof module?module.exports=factory():"function"==typeof define&&define.amd?define(factory):global.WaveFile=factory()}(this,function(){"use strict";var f64f32_=new Float32Array(1);function bitDepth(input,original,target,output){validateBitDepth_(original),validateBitDepth_(target);var toFunction=function(original,target){var func=function(x){return x};original!=target&&(func=["32f","64"].includes(original)?["32f","64"].includes(target)?floatToFloat_:floatToInt_:["32f","64"].includes(target)?intToFloat_:intToInt_);return func}(original,target),options={oldMin:Math.pow(2,parseInt(original,10))/2,newMin:Math.pow(2,parseInt(target,10))/2,oldMax:Math.pow(2,parseInt(original,10))/2-1,newMax:Math.pow(2,parseInt(target,10))/2-1},len=input.length;if("8"==original)for(var i=0;i<len;i++)output[i]=input[i]-=128;for(var _i=0;_i<len;_i++)output[_i]=toFunction(input[_i],options);if("8"==target)for(var _i2=0;_i2<len;_i2++)output[_i2]=output[_i2]+=128}function intToInt_(sample,args){return sample=sample>0?parseInt(sample/args.oldMax*args.newMax,10):parseInt(sample/args.oldMin*args.newMin,10)}function floatToInt_(sample,args){return parseInt(sample>0?sample*args.newMax:sample*args.newMin,10)}function intToFloat_(sample,args){return sample>0?sample/args.oldMax:sample/args.oldMin}function floatToFloat_(sample){return f64f32_[0]=sample,f64f32_[0]}function validateBitDepth_(bitDepth){if("32f"!=bitDepth&&"64"!=bitDepth&&(parseInt(bitDepth,10)<"8"||parseInt(bitDepth,10)>"53"))throw new Error("Invalid bit depth.")}var INDEX_TABLE=[-1,-1,-1,-1,2,4,6,8,-1,-1,-1,-1,2,4,6,8],STEP_TABLE=[7,8,9,10,11,12,13,14,16,17,19,21,23,25,28,31,34,37,41,45,50,55,60,66,73,80,88,97,107,118,130,143,157,173,190,209,230,253,279,307,337,371,408,449,494,544,598,658,724,796,876,963,1060,1166,1282,1411,1552,1707,1878,2066,2272,2499,2749,3024,3327,3660,4026,4428,4871,5358,5894,6484,7132,7845,8630,9493,10442,11487,12635,13899,15289,16818,18500,20350,22385,24623,27086,29794,32767],encoderPredicted_=0,encoderIndex_=0,decoderPredicted_=0,decoderIndex_=0,decoderStep_=7;function encodeBlock(block){for(var adpcmSamples=function(sample){encodeSample_(sample);var adpcmSamples=[];return adpcmSamples.push(255&sample),adpcmSamples.push(sample>>8&255),adpcmSamples.push(encoderIndex_),adpcmSamples.push(0),adpcmSamples}(block[0]),i=3;i<block.length;i+=2){var sample2=encodeSample_(block[i]),sample=encodeSample_(block[i+1]);adpcmSamples.push(sample<<4|sample2)}for(;adpcmSamples.length<256;)adpcmSamples.push(0);return adpcmSamples}function decodeBlock(block){decoderPredicted_=sign_(block[1]<<8|block[0]),decoderIndex_=block[2],decoderStep_=STEP_TABLE[decoderIndex_];for(var result=[decoderPredicted_,sign_(block[3]<<8|block[2])],i=4;i<block.length;i++){var original_sample=block[i],second_sample=original_sample>>4,first_sample=second_sample<<4^original_sample;result.push(decodeSample_(first_sample)),result.push(decodeSample_(second_sample))}return result}function sign_(num){return num>32768?num-65536:num}function encodeSample_(sample){var delta=sample-encoderPredicted_,value=0;delta>=0?value=0:(value=8,delta=-delta);var step=STEP_TABLE[encoderIndex_],diff=step>>3;return delta>step&&(value|=4,delta-=step,diff+=step),delta>(step>>=1)&&(value|=2,delta-=step,diff+=step),delta>(step>>=1)&&(value|=1,diff+=step),function(value,diff){8&value?encoderPredicted_-=diff:encoderPredicted_+=diff;encoderPredicted_<-32768?encoderPredicted_=-32768:encoderPredicted_>32767&&(encoderPredicted_=32767);(encoderIndex_+=INDEX_TABLE[7&value])<0?encoderIndex_=0:encoderIndex_>88&&(encoderIndex_=88)}(value,diff),value}function decodeSample_(nibble){var difference=0;return 4&nibble&&(difference+=decoderStep_),2&nibble&&(difference+=decoderStep_>>1),1&nibble&&(difference+=decoderStep_>>2),difference+=decoderStep_>>3,8&nibble&&(difference=-difference),(decoderPredicted_+=difference)>32767?decoderPredicted_=32767:decoderPredicted_<-32767&&(decoderPredicted_=-32767),function(nibble){(decoderIndex_+=INDEX_TABLE[nibble])<0?decoderIndex_=0:decoderIndex_>88&&(decoderIndex_=88);decoderStep_=STEP_TABLE[decoderIndex_]}(nibble),decoderPredicted_}var LOG_TABLE=[1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7];function encodeSample(sample){var compandedValue=void 0,sign=~(sample=-32768==sample?-32767:sample)>>8&128;if(sign||(sample*=-1),sample>32635&&(sample=32635),sample>=256){var exponent=LOG_TABLE[sample>>8&127];compandedValue=exponent<<4|sample>>exponent+3&15}else compandedValue=sample>>4;return 85^compandedValue^sign}function decodeSample(aLawSample){var sign=0;128&(aLawSample^=85)&&(aLawSample&=-129,sign=-1);var position=4+((240&aLawSample)>>4),decoded=0;return decoded=4!=position?1<<position|(15&aLawSample)<<position-4|1<<position-5:aLawSample<<1|1,8*(decoded=0===sign?decoded:-decoded)*-1}var BIAS=132,CLIP=32635,encodeTable=[0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7],decodeTable=[0,132,396,924,1980,4092,8316,16764];for(var chars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",lookup=new Uint8Array(256),i=0;i<chars.length;i++)lookup[chars.charCodeAt(i)]=i;function swap(bytes,offset,index){offset--;for(var x=0;x<offset;x++){var theByte=bytes[index+x];bytes[index+x]=bytes[index+offset],bytes[index+offset]=theByte,offset--}}function pack(str,buffer){for(var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,i=0,len=str.length;i<len;i++){var codePoint=str.codePointAt(i);if(codePoint<128)buffer[index]=codePoint,index++;else{var count=0,offset=0;for(codePoint<=2047?(count=1,offset=192):codePoint<=65535?(count=2,offset=224):codePoint<=1114111&&(count=3,offset=240,i++),buffer[index]=(codePoint>>6*count)+offset,index++;count>0;)buffer[index]=128|codePoint>>6*(count-1)&63,index++,count--}}return index}var TYPE_ERR="Unsupported type",TYPE_NAN="Argument is not a valid number";function validateIsNumber(value){if(null==value)throw new Error(TYPE_NAN);if(value.constructor!=Number&&value.constructor!=Boolean)throw new Error(TYPE_NAN)}var classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")},createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),get=function get(object,property,receiver){null===object&&(object=Function.prototype);var desc=Object.getOwnPropertyDescriptor(object,property);if(void 0===desc){var parent=Object.getPrototypeOf(object);return null===parent?void 0:get(parent,property,receiver)}if("value"in desc)return desc.value;var getter=desc.get;return void 0!==getter?getter.call(receiver):void 0},inherits=function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function, not "+typeof superClass);subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:!1,writable:!0,configurable:!0}}),superClass&&(Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass)},possibleConstructorReturn=function(self,call){if(!self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!call||"object"!=typeof call&&"function"!=typeof call?self:call},IEEE754Buffer=function(){function IEEE754Buffer(ebits,fbits){classCallCheck(this,IEEE754Buffer),this.ebits=ebits,this.fbits=fbits,this.bias=(1<<ebits-1)-1,this.numBytes=Math.ceil((ebits+fbits)/8),this.biasP2=Math.pow(2,this.bias+1),this.ebitsFbits=ebits+fbits,this.fbias=Math.pow(2,-(8*this.numBytes-1-ebits))}return createClass(IEEE754Buffer,[{key:"pack",value:function(buffer,num,index){Math.abs(num)>this.biasP2-2*this.ebitsFbits&&(num=num<0?-1/0:1/0);var sign=((num=+num)||1/num)<0?1:num<0?1:0;num=Math.abs(num);var exp=Math.min(Math.floor(Math.log(num)/Math.LN2),1023),fraction=this.roundToEven(num/Math.pow(2,exp)*Math.pow(2,this.fbits));return num!=num?(fraction=Math.pow(2,this.fbits-1),exp=(1<<this.ebits)-1):0!==num&&(num>=Math.pow(2,1-this.bias)?(fraction/Math.pow(2,this.fbits)>=2&&(exp+=1,fraction=1),exp>this.bias?(exp=(1<<this.ebits)-1,fraction=0):(exp+=this.bias,fraction=this.roundToEven(fraction)-Math.pow(2,this.fbits))):(fraction=this.roundToEven(num/Math.pow(2,1-this.bias-this.fbits)),exp=0)),this.packFloatBits_(buffer,index,sign,exp,fraction)}},{key:"unpack",value:function(buffer,index){for(var eMax=(1<<this.ebits)-1,significand=void 0,leftBits="",i=this.numBytes-1;i>=0;i--){var t=buffer[i+index].toString(2);leftBits+="00000000".substring(t.length)+t}var sign="1"==leftBits.charAt(0)?-1:1;leftBits=leftBits.substring(1);var exponent=parseInt(leftBits.substring(0,this.ebits),2);return leftBits=leftBits.substring(this.ebits),exponent==eMax?0!==parseInt(leftBits,2)?NaN:sign*(1/0):(0===exponent?(exponent+=1,significand=parseInt(leftBits,2)):significand=parseInt("1"+leftBits,2),sign*significand*this.fbias*Math.pow(2,exponent-this.bias))}},{key:"packFloatBits_",value:function(buffer,index,sign,exp,fraction){var bits=[];bits.push(sign);for(var i=this.ebits;i>0;i-=1)bits[i]=exp%2?1:0,exp=Math.floor(exp/2);for(var len=bits.length,_i=this.fbits;_i>0;_i-=1)bits[len+_i]=fraction%2?1:0,fraction=Math.floor(fraction/2);for(var str=bits.join(""),numBytes=this.numBytes+index-1,k=index;numBytes>=index;)buffer[numBytes]=parseInt(str.substring(0,8),2),str=str.substring(8),numBytes--,k++;return k}},{key:"roundToEven",value:function(n){var w=Math.floor(n),f=n-w;return f<.5?w:f>.5?w+1:w%2?w+1:w}}]),IEEE754Buffer}(),UintBuffer=function(){function UintBuffer(bits){classCallCheck(this,UintBuffer),this.bits=bits,this.bytes=bits<8?1:Math.ceil(bits/8),this.max=Math.pow(2,bits)-1,this.min=0;var r=8-(1+(bits-1|7)-bits);this.lastByteMask_=Math.pow(2,r>0?r:8)-1}return createClass(UintBuffer,[{key:"pack",value:function(buffer,num){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;if(num!=num)throw new Error("NaN");this.overflow(num),buffer[index]=255&(num<0?num+Math.pow(2,this.bits):num),index++;for(var len=this.bytes,i=2;i<len;i++)buffer[index]=255&Math.floor(num/Math.pow(2,8*(i-1))),index++;return this.bits>8&&(buffer[index]=Math.floor(num/Math.pow(2,8*(this.bytes-1)))&this.lastByteMask_,index++),index}},{key:"unpack",value:function(buffer){var index=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,num=this.unpackUnsafe(buffer,index);return this.overflow(num),num}},{key:"unpackUnsafe",value:function(buffer,index){for(var num=0,x=0;x<this.bytes;x++)num+=buffer[index+x]*Math.pow(256,x);return num}},{key:"overflow",value:function(num){if(num>this.max||num<this.min)throw new Error("Overflow")}}]),UintBuffer}(),TwosComplementBuffer=function(_UintBuffer){function TwosComplementBuffer(bits){classCallCheck(this,TwosComplementBuffer);var _this=possibleConstructorReturn(this,(TwosComplementBuffer.__proto__||Object.getPrototypeOf(TwosComplementBuffer)).call(this,bits));return _this.max=Math.pow(2,_this.bits)/2-1,_this.min=-_this.max-1,_this}return inherits(TwosComplementBuffer,UintBuffer),createClass(TwosComplementBuffer,[{key:"pack",value:function(buffer,num){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return get(TwosComplementBuffer.prototype.__proto__||Object.getPrototypeOf(TwosComplementBuffer.prototype),"pack",this).call(this,buffer,num,index)}},{key:"unpack",value:function(buffer){var index=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,num=get(TwosComplementBuffer.prototype.__proto__||Object.getPrototypeOf(TwosComplementBuffer.prototype),"unpackUnsafe",this).call(this,buffer,index);return num=this.sign_(num),this.overflow(num),num}},{key:"sign_",value:function(num){return num>this.max&&(num-=2*this.max+2),num}}]),TwosComplementBuffer}(),NumberBuffer=function(){function NumberBuffer(bits,fp,signed){classCallCheck(this,NumberBuffer);var parser=void 0;fp?(!function(bits){if(!bits||16!==bits&&32!==bits&&64!==bits)throw new Error(TYPE_ERR+": float, bits: "+bits)}(bits),parser=this.getFPParser_(bits)):(!function(bits){if(!bits||bits<1||bits>53)throw new Error(TYPE_ERR+": int, bits: "+bits)}(bits),parser=signed?new TwosComplementBuffer(bits):new UintBuffer(bits)),this.parser=parser}return createClass(NumberBuffer,[{key:"unpack",value:function(buffer){var index=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return this.parser.unpack(buffer,index)}},{key:"pack",value:function(buffer,num){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return this.parser.pack(buffer,num,index)}},{key:"getFPParser_",value:function(bits){return 16===bits?new IEEE754Buffer(5,11):32===bits?new IEEE754Buffer(8,23):new IEEE754Buffer(11,52)}}]),NumberBuffer}();function unpackString(buffer){return function(buffer){for(var start=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,end=arguments.length>2&&void 0!==arguments[2]?arguments[2]:buffer.length,str="",index=start;index<end;){var lowerBoundary=128,upperBoundary=191,replace=!1,charCode=buffer[index++];if(charCode>=0&&charCode<=127)str+=String.fromCharCode(charCode);else{var count=0;charCode>=194&&charCode<=223?count=1:charCode>=224&&charCode<=239?(count=2,224===buffer[index]&&(lowerBoundary=160),237===buffer[index]&&(upperBoundary=159)):charCode>=240&&charCode<=244?(count=3,240===buffer[index]&&(lowerBoundary=144),244===buffer[index]&&(upperBoundary=143)):replace=!0,charCode&=(1<<8-count-1)-1;for(var i=0;i<count;i++)(buffer[index]<lowerBoundary||buffer[index]>upperBoundary)&&(replace=!0),charCode=charCode<<6|63&buffer[index],index++;replace?str+=String.fromCharCode(65533):charCode<=65535?str+=String.fromCharCode(charCode):(charCode-=65536,str+=String.fromCharCode(55296+(charCode>>10&1023),56320+(1023&charCode)))}}return str}(buffer,arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,arguments.length>2&&void 0!==arguments[2]?arguments[2]:buffer.length)}function packString(str){var buffer=[];return pack(str,buffer,0),buffer}function packStringTo(str,buffer){return pack(str,buffer,arguments.length>2&&void 0!==arguments[2]?arguments[2]:0)}function pack$1(value,theType){var output=[];return packTo(value,theType,output),output}function packTo(value,theType,buffer){return packArrayTo([value],theType,buffer,arguments.length>3&&void 0!==arguments[3]?arguments[3]:0)}function packArrayTo(values,theType,buffer){var index=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,packer=new NumberBuffer((theType=theType||{}).bits,theType.fp,theType.signed),offset=Math.ceil(theType.bits/8),i=0;try{for(var valuesLen=values.length;i<valuesLen;i++){validateIsNumber(values[i]);for(var len=index+offset;index<len;)index=packer.pack(buffer,values[i],index);swap_(theType.be,buffer,offset,index-offset,index)}}catch(e){var value=values[i];throw theType.fp||value!==1/0&&value!==-1/0&&value==value?new Error(e.message+" at input index "+i):new Error("Argument is not a integer at input index "+i)}return index}function unpack$1(buffer,theType){var index=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return unpackArray(buffer,theType,index,index+Math.ceil(theType.bits/8),!0)[0]}function unpackArray(buffer,theType){var output=[];return unpackArrayTo(buffer,theType,output,arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,arguments.length>3&&void 0!==arguments[3]?arguments[3]:buffer.length,arguments.length>4&&void 0!==arguments[4]&&arguments[4]),output}function unpackArrayTo(buffer,theType,output){var start=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,end=arguments.length>4&&void 0!==arguments[4]?arguments[4]:buffer.length,safe=arguments.length>5&&void 0!==arguments[5]&&arguments[5],packer=new NumberBuffer((theType=theType||{}).bits,theType.fp,theType.signed),offset=Math.ceil(theType.bits/8),extra=(end-start)%offset;if(safe&&(extra||buffer.length<offset))throw new Error("Bad buffer length");end-=extra;var i=0;try{swap_(theType.be,buffer,offset,start,end);for(var j=start;j<end;j+=offset,i++)output[i]=packer.unpack(buffer,j);swap_(theType.be,buffer,offset,start,end)}catch(e){throw new Error(e.message+" at output index "+i)}}function swap_(flip,buffer,offset,start,end){flip&&function(bytes,offset){var start=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,end=arguments.length>3&&void 0!==arguments[3]?arguments[3]:bytes.length;if(end%offset)throw new Error("Bad buffer length.");for(var index=start;index<end;index+=offset)swap(bytes,offset,index)}(buffer,offset,start,end)}var WAV_AUDIO_FORMATS={4:17,8:1,"8a":6,"8m":7,16:1,24:1,32:1,"32f":3,64:3};function makeWavHeader(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){return"4"==bitDepthCode?function(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){var header=createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options);return header.chunkSize=40+samplesLength,header.fmt.chunkSize=20,header.fmt.byteRate=4055,header.fmt.blockAlign=256,header.fmt.bitsPerSample=4,header.fmt.cbSize=2,header.fmt.validBitsPerSample=505,header.fact={chunkId:"fact",chunkSize:4,dwSampleLength:2*samplesLength},header}(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options):"8a"==bitDepthCode||"8m"==bitDepthCode?function(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){var header=createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options);return header.chunkSize=40+samplesLength,header.fmt.chunkSize=20,header.fmt.cbSize=2,header.fmt.validBitsPerSample=8,header.fact={chunkId:"fact",chunkSize:4,dwSampleLength:samplesLength},header}(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options):-1==Object.keys(WAV_AUDIO_FORMATS).indexOf(bitDepthCode)||numChannels>2?function(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){var header=createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options);return header.chunkSize=60+samplesLength,header.fmt.chunkSize=40,header.fmt.bitsPerSample=1+(parseInt(bitDepthCode,10)-1|7),header.fmt.cbSize=22,header.fmt.validBitsPerSample=parseInt(bitDepthCode,10),header.fmt.dwChannelMask=function(numChannels){var dwChannelMask=0;return 1===numChannels?dwChannelMask=4:2===numChannels?dwChannelMask=3:4===numChannels?dwChannelMask=51:6===numChannels?dwChannelMask=63:8===numChannels&&(dwChannelMask=1599),dwChannelMask}(numChannels),header.fmt.subformat=[1,1048576,2852126848,1905997824],header}(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options):createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options)}function createPCMHeader_(bitDepthCode,numChannels,sampleRate,numBytes,samplesLength,options){return{container:options.container,chunkSize:36+samplesLength,format:"WAVE",bitDepth:bitDepthCode,fmt:{chunkId:"fmt ",chunkSize:16,audioFormat:WAV_AUDIO_FORMATS[bitDepthCode]||65534,numChannels:numChannels,sampleRate:sampleRate,byteRate:numChannels*numBytes*sampleRate,blockAlign:numChannels*numBytes,bitsPerSample:parseInt(bitDepthCode,10),cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]}}}function validateWavHeader_(header){!function(header){if(!WAV_AUDIO_FORMATS[header.bitDepth]){if(parseInt(header.bitDepth,10)>8&&parseInt(header.bitDepth,10)<54)return!0;throw new Error("Invalid bit depth.")}}(header),function(header){var blockAlign=header.fmt.numChannels*header.fmt.bitsPerSample/8;if(header.fmt.numChannels<1||blockAlign>65535)throw new Error("Invalid number of channels.")}(header),function(header){var byteRate=header.fmt.numChannels*(header.fmt.bitsPerSample/8)*header.fmt.sampleRate;if(header.fmt.sampleRate<1||byteRate>4294967295)throw new Error("Invalid sample rate.")}(header)}var BufferIO=function(){function BufferIO(){classCallCheck(this,BufferIO),this.head_=0}return createClass(BufferIO,[{key:"writeString_",value:function(str,maxSize){var push=!(arguments.length>2&&void 0!==arguments[2])||arguments[2],bytes=packString(str);if(push)for(var i=bytes.length;i<maxSize;i++)bytes.push(0);return bytes}},{key:"readZSTR_",value:function(bytes){for(var str="",i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;i<bytes.length&&(this.head_++,0!==bytes[i]);i++)str+=unpackString(bytes,i,i+1);return str}},{key:"readString_",value:function(bytes,maxSize){var str;return str=unpackString(bytes,this.head_,this.head_+maxSize),this.head_+=maxSize,str}},{key:"read_",value:function(bytes,bdType){var size=bdType.bits/8,value=unpack$1(bytes,bdType,this.head_);return this.head_+=size,value}}]),BufferIO}(),io=new BufferIO;function writeWavBuffer(wav){var uInt32_={bits:32,be:!1},uInt16_={bits:16,be:!1};uInt16_.be="RIFX"===wav.container,uInt32_.be=uInt16_.be;for(var fileBody=[function(wav,uInt32_){var bytes=[];if(wav.junk.chunkId)return bytes.concat(packString(wav.junk.chunkId),pack$1(wav.junk.chunkData.length,uInt32_),wav.junk.chunkData);return bytes}(wav,uInt32_),function(wav,uInt32_){var bytes=[];wav.ds64.chunkId&&(bytes=bytes.concat(packString(wav.ds64.chunkId),pack$1(wav.ds64.chunkSize,uInt32_),pack$1(wav.ds64.riffSizeHigh,uInt32_),pack$1(wav.ds64.riffSizeLow,uInt32_),pack$1(wav.ds64.dataSizeHigh,uInt32_),pack$1(wav.ds64.dataSizeLow,uInt32_),pack$1(wav.ds64.originationTime,uInt32_),pack$1(wav.ds64.sampleCountHigh,uInt32_),pack$1(wav.ds64.sampleCountLow,uInt32_)));return bytes}(wav,uInt32_),function(wav,uInt32_,uInt16_){var bytes=[];(function(wav){for(var prop in wav.bext)if(wav.bext.hasOwnProperty(prop)&&wav.bext[prop]&&"timeReference"!=prop){wav.bext.chunkId="bext";break}(wav.bext.timeReference[0]||wav.bext.timeReference[1])&&(wav.bext.chunkId="bext")})(wav),wav.bext.chunkId&&(wav.bext.chunkSize=602+wav.bext.codingHistory.length,bytes=bytes.concat(packString(wav.bext.chunkId),pack$1(602+wav.bext.codingHistory.length,uInt32_),io.writeString_(wav.bext.description,256),io.writeString_(wav.bext.originator,32),io.writeString_(wav.bext.originatorReference,32),io.writeString_(wav.bext.originationDate,10),io.writeString_(wav.bext.originationTime,8),pack$1(wav.bext.timeReference[0],uInt32_),pack$1(wav.bext.timeReference[1],uInt32_),pack$1(wav.bext.version,uInt16_),io.writeString_(wav.bext.UMID,64),pack$1(wav.bext.loudnessValue,uInt16_),pack$1(wav.bext.loudnessRange,uInt16_),pack$1(wav.bext.maxTruePeakLevel,uInt16_),pack$1(wav.bext.maxMomentaryLoudness,uInt16_),pack$1(wav.bext.maxShortTermLoudness,uInt16_),io.writeString_(wav.bext.reserved,180),io.writeString_(wav.bext.codingHistory,wav.bext.codingHistory.length)));return bytes}(wav,uInt32_,uInt16_),function(wav,uInt32_,uInt16_){if(wav.fmt.chunkId)return[].concat(packString(wav.fmt.chunkId),pack$1(wav.fmt.chunkSize,uInt32_),pack$1(wav.fmt.audioFormat,uInt16_),pack$1(wav.fmt.numChannels,uInt16_),pack$1(wav.fmt.sampleRate,uInt32_),pack$1(wav.fmt.byteRate,uInt32_),pack$1(wav.fmt.blockAlign,uInt16_),pack$1(wav.fmt.bitsPerSample,uInt16_),function(wav,uInt32_,uInt16_){var extension=[];wav.fmt.chunkSize>16&&(extension=extension.concat(pack$1(wav.fmt.cbSize,uInt16_)));wav.fmt.chunkSize>18&&(extension=extension.concat(pack$1(wav.fmt.validBitsPerSample,uInt16_)));wav.fmt.chunkSize>20&&(extension=extension.concat(pack$1(wav.fmt.dwChannelMask,uInt32_)));wav.fmt.chunkSize>24&&(extension=extension.concat(pack$1(wav.fmt.subformat[0],uInt32_),pack$1(wav.fmt.subformat[1],uInt32_),pack$1(wav.fmt.subformat[2],uInt32_),pack$1(wav.fmt.subformat[3],uInt32_)));return extension}(wav,uInt32_,uInt16_));throw Error('Could not find the "fmt " chunk')}(wav,uInt32_,uInt16_),function(wav,uInt32_){var bytes=[];wav.fact.chunkId&&(bytes=bytes.concat(packString(wav.fact.chunkId),pack$1(wav.fact.chunkSize,uInt32_),pack$1(wav.fact.dwSampleLength,uInt32_)));return bytes}(wav,uInt32_),packString(wav.data.chunkId),pack$1(wav.data.samples.length,uInt32_),wav.data.samples,function(wav,uInt32_){var bytes=[];if(wav.cue.chunkId){var cuePointsBytes=function(wav,uInt32_){for(var points=[],i=0;i<wav.cue.dwCuePoints;i++)points=points.concat(pack$1(wav.cue.points[i].dwName,uInt32_),pack$1(wav.cue.points[i].dwPosition,uInt32_),packString(wav.cue.points[i].fccChunk),pack$1(wav.cue.points[i].dwChunkStart,uInt32_),pack$1(wav.cue.points[i].dwBlockStart,uInt32_),pack$1(wav.cue.points[i].dwSampleOffset,uInt32_));return points}(wav,uInt32_);bytes=bytes.concat(packString(wav.cue.chunkId),pack$1(cuePointsBytes.length+4,uInt32_),pack$1(wav.cue.dwCuePoints,uInt32_),cuePointsBytes)}return bytes}(wav,uInt32_),function(wav,uInt32_){var bytes=[];if(wav.smpl.chunkId){var smplLoopsBytes=function(wav,uInt32_){for(var loops=[],i=0;i<wav.smpl.dwNumSampleLoops;i++)loops=loops.concat(pack$1(wav.smpl.loops[i].dwName,uInt32_),pack$1(wav.smpl.loops[i].dwType,uInt32_),pack$1(wav.smpl.loops[i].dwStart,uInt32_),pack$1(wav.smpl.loops[i].dwEnd,uInt32_),pack$1(wav.smpl.loops[i].dwFraction,uInt32_),pack$1(wav.smpl.loops[i].dwPlayCount,uInt32_));return loops}(wav,uInt32_);bytes=bytes.concat(packString(wav.smpl.chunkId),pack$1(smplLoopsBytes.length+36,uInt32_),pack$1(wav.smpl.dwManufacturer,uInt32_),pack$1(wav.smpl.dwProduct,uInt32_),pack$1(wav.smpl.dwSamplePeriod,uInt32_),pack$1(wav.smpl.dwMIDIUnityNote,uInt32_),pack$1(wav.smpl.dwMIDIPitchFraction,uInt32_),pack$1(wav.smpl.dwSMPTEFormat,uInt32_),pack$1(wav.smpl.dwSMPTEOffset,uInt32_),pack$1(wav.smpl.dwNumSampleLoops,uInt32_),pack$1(wav.smpl.dwSamplerData,uInt32_),smplLoopsBytes)}return bytes}(wav,uInt32_),function(wav,uInt32_,uInt16_){for(var bytes=[],i=0;i<wav.LIST.length;i++){var subChunksBytes=getLISTSubChunksBytes_(wav.LIST[i].subChunks,wav.LIST[i].format,wav,uInt32_,uInt16_);bytes=bytes.concat(packString(wav.LIST[i].chunkId),pack$1(subChunksBytes.length+4,uInt32_),packString(wav.LIST[i].format),subChunksBytes)}return bytes}(wav,uInt32_,uInt16_)],fileBodyLength=0,i=0;i<fileBody.length;i++)fileBodyLength+=fileBody[i].length;var file=new Uint8Array(fileBodyLength+12),index=0;index=packTo(fileBodyLength+4,uInt32_,file,index=packStringTo(wav.container,file,index)),index=packStringTo(wav.format,file,index);for(var _i=0;_i<fileBody.length;_i++)file.set(fileBody[_i],index),index+=fileBody[_i].length;return file}function getLISTSubChunksBytes_(subChunks,format,wav,uInt32_,uInt16_){for(var bytes=[],i=0;i<subChunks.length;i++)"INFO"==format?(bytes=bytes.concat(packString(subChunks[i].chunkId),pack$1(subChunks[i].value.length+1,uInt32_),io.writeString_(subChunks[i].value,subChunks[i].value.length))).push(0):"adtl"==format&&(["labl","note"].indexOf(subChunks[i].chunkId)>-1?(bytes=bytes.concat(packString(subChunks[i].chunkId),pack$1(subChunks[i].value.length+4+1,uInt32_),pack$1(subChunks[i].dwName,uInt32_),io.writeString_(subChunks[i].value,subChunks[i].value.length))).push(0):"ltxt"==subChunks[i].chunkId&&(bytes=bytes.concat(getLtxtChunkBytes_(subChunks[i],wav,uInt32_,uInt16_)))),bytes.length%2&&bytes.push(0);return bytes}function getLtxtChunkBytes_(ltxt,wav,uInt32_,uInt16_){return[].concat(packString(ltxt.chunkId),pack$1(ltxt.value.length+20,uInt32_),pack$1(ltxt.dwName,uInt32_),pack$1(ltxt.dwSampleLength,uInt32_),pack$1(ltxt.dwPurposeID,uInt32_),pack$1(ltxt.dwCountry,uInt16_),pack$1(ltxt.dwLanguage,uInt16_),pack$1(ltxt.dwDialect,uInt16_),pack$1(ltxt.dwCodePage,uInt16_),io.writeString_(ltxt.value,ltxt.value.length))}var uInt32_={bits:32},head_=0;function riffChunks(buffer){head_=0;var chunkId=getChunkId_(buffer,0);uInt32_.be="RIFX"==chunkId;var format=unpackString(buffer,8,12);return head_+=4,{chunkId:chunkId,chunkSize:getChunkSize_(buffer,0),format:format,subChunks:getSubChunksIndex_(buffer)}}function findChunk(chunks,chunkId){for(var multiple=arguments.length>2&&void 0!==arguments[2]&&arguments[2],chunk=[],i=0;i<chunks.length;i++)if(chunks[i].chunkId==chunkId){if(!multiple)return chunks[i];chunk.push(chunks[i])}return"LIST"==chunkId&&chunk.length?chunk:null}function getSubChunksIndex_(buffer){for(var chunks=[],i=head_;i<=buffer.length-8;)chunks.push(getSubChunkIndex_(buffer,i)),i=(i+=8+chunks[chunks.length-1].chunkSize)%2?i+1:i;return chunks}function getSubChunkIndex_(buffer,index){var chunk={chunkId:getChunkId_(buffer,index),chunkSize:getChunkSize_(buffer,index)};if("LIST"==chunk.chunkId)chunk.format=unpackString(buffer,index+8,index+12),head_+=4,chunk.subChunks=getSubChunksIndex_(buffer);else{var realChunkSize=chunk.chunkSize%2?chunk.chunkSize+1:chunk.chunkSize;head_=index+8+realChunkSize,chunk.chunkData={start:index+8,end:head_}}return chunk}function getChunkId_(buffer,index){return head_+=4,unpackString(buffer,index,index+4)}function getChunkSize_(buffer,index){return head_+=4,unpack$1(buffer,uInt32_,index+4)}var io$1=new BufferIO;function readWavBuffer(buffer,samples,wav){io$1.head_=0;var uInt32_={bits:32,be:!1},uInt16_={bits:16,be:!1};!function(bytes,wav,uInt32_,uInt16_){if(io$1.head_=0,wav.container=io$1.readString_(bytes,4),-1===["RIFF","RIFX","RF64"].indexOf(wav.container))throw Error("Not a supported format.");if(uInt16_.be="RIFX"===wav.container,uInt32_.be=uInt16_.be,wav.chunkSize=io$1.read_(bytes,uInt32_),wav.format=io$1.readString_(bytes,4),"WAVE"!=wav.format)throw Error('Could not find the "WAVE" format identifier')}(buffer,wav,uInt32_,uInt16_);var chunk=riffChunks(buffer);!function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"ds64");if(chunk)io$1.head_=chunk.chunkData.start,wav.ds64.chunkId=chunk.chunkId,wav.ds64.chunkSize=chunk.chunkSize,wav.ds64.riffSizeHigh=io$1.read_(buffer,uInt32_),wav.ds64.riffSizeLow=io$1.read_(buffer,uInt32_),wav.ds64.dataSizeHigh=io$1.read_(buffer,uInt32_),wav.ds64.dataSizeLow=io$1.read_(buffer,uInt32_),wav.ds64.originationTime=io$1.read_(buffer,uInt32_),wav.ds64.sampleCountHigh=io$1.read_(buffer,uInt32_),wav.ds64.sampleCountLow=io$1.read_(buffer,uInt32_);else if("RF64"==wav.container)throw Error('Could not find the "ds64" chunk')}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,wav,uInt32_,uInt16_){var chunk=findChunk(signature,"fmt ");if(!chunk)throw Error('Could not find the "fmt " chunk');io$1.head_=chunk.chunkData.start,wav.fmt.chunkId=chunk.chunkId,wav.fmt.chunkSize=chunk.chunkSize,wav.fmt.audioFormat=io$1.read_(buffer,uInt16_),wav.fmt.numChannels=io$1.read_(buffer,uInt16_),wav.fmt.sampleRate=io$1.read_(buffer,uInt32_),wav.fmt.byteRate=io$1.read_(buffer,uInt32_),wav.fmt.blockAlign=io$1.read_(buffer,uInt16_),wav.fmt.bitsPerSample=io$1.read_(buffer,uInt16_),function(buffer,wav,uInt32_,uInt16_){wav.fmt.chunkSize>16&&(wav.fmt.cbSize=io$1.read_(buffer,uInt16_),wav.fmt.chunkSize>18&&(wav.fmt.validBitsPerSample=io$1.read_(buffer,uInt16_),wav.fmt.chunkSize>20&&(wav.fmt.dwChannelMask=io$1.read_(buffer,uInt32_),wav.fmt.subformat=[io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_)])))}(buffer,wav,uInt32_,uInt16_)}(buffer,chunk.subChunks,wav,uInt32_,uInt16_),function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"fact");chunk&&(io$1.head_=chunk.chunkData.start,wav.fact.chunkId=chunk.chunkId,wav.fact.chunkSize=chunk.chunkSize,wav.fact.dwSampleLength=io$1.read_(buffer,uInt32_))}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,wav,uInt32_,uInt16_){var chunk=findChunk(signature,"bext");chunk&&(io$1.head_=chunk.chunkData.start,wav.bext.chunkId=chunk.chunkId,wav.bext.chunkSize=chunk.chunkSize,wav.bext.description=io$1.readString_(buffer,256),wav.bext.originator=io$1.readString_(buffer,32),wav.bext.originatorReference=io$1.readString_(buffer,32),wav.bext.originationDate=io$1.readString_(buffer,10),wav.bext.originationTime=io$1.readString_(buffer,8),wav.bext.timeReference=[io$1.read_(buffer,uInt32_),io$1.read_(buffer,uInt32_)],wav.bext.version=io$1.read_(buffer,uInt16_),wav.bext.UMID=io$1.readString_(buffer,64),wav.bext.loudnessValue=io$1.read_(buffer,uInt16_),wav.bext.loudnessRange=io$1.read_(buffer,uInt16_),wav.bext.maxTruePeakLevel=io$1.read_(buffer,uInt16_),wav.bext.maxMomentaryLoudness=io$1.read_(buffer,uInt16_),wav.bext.maxShortTermLoudness=io$1.read_(buffer,uInt16_),wav.bext.reserved=io$1.readString_(buffer,180),wav.bext.codingHistory=io$1.readString_(buffer,wav.bext.chunkSize-602))}(buffer,chunk.subChunks,wav,uInt32_,uInt16_),function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"cue ");if(chunk){io$1.head_=chunk.chunkData.start,wav.cue.chunkId=chunk.chunkId,wav.cue.chunkSize=chunk.chunkSize,wav.cue.dwCuePoints=io$1.read_(buffer,uInt32_);for(var i=0;i<wav.cue.dwCuePoints;i++)wav.cue.points.push({dwName:io$1.read_(buffer,uInt32_),dwPosition:io$1.read_(buffer,uInt32_),fccChunk:io$1.readString_(buffer,4),dwChunkStart:io$1.read_(buffer,uInt32_),dwBlockStart:io$1.read_(buffer,uInt32_),dwSampleOffset:io$1.read_(buffer,uInt32_)})}}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,wav,uInt32_){var chunk=findChunk(signature,"smpl");if(chunk){io$1.head_=chunk.chunkData.start,wav.smpl.chunkId=chunk.chunkId,wav.smpl.chunkSize=chunk.chunkSize,wav.smpl.dwManufacturer=io$1.read_(buffer,uInt32_),wav.smpl.dwProduct=io$1.read_(buffer,uInt32_),wav.smpl.dwSamplePeriod=io$1.read_(buffer,uInt32_),wav.smpl.dwMIDIUnityNote=io$1.read_(buffer,uInt32_),wav.smpl.dwMIDIPitchFraction=io$1.read_(buffer,uInt32_),wav.smpl.dwSMPTEFormat=io$1.read_(buffer,uInt32_),wav.smpl.dwSMPTEOffset=io$1.read_(buffer,uInt32_),wav.smpl.dwNumSampleLoops=io$1.read_(buffer,uInt32_),wav.smpl.dwSamplerData=io$1.read_(buffer,uInt32_);for(var i=0;i<wav.smpl.dwNumSampleLoops;i++)wav.smpl.loops.push({dwName:io$1.read_(buffer,uInt32_),dwType:io$1.read_(buffer,uInt32_),dwStart:io$1.read_(buffer,uInt32_),dwEnd:io$1.read_(buffer,uInt32_),dwFraction:io$1.read_(buffer,uInt32_),dwPlayCount:io$1.read_(buffer,uInt32_)})}}(buffer,chunk.subChunks,wav,uInt32_),function(buffer,signature,samples,wav){var chunk=findChunk(signature,"data");if(!chunk)throw Error('Could not find the "data" chunk');wav.data.chunkId="data",wav.data.chunkSize=chunk.chunkSize,samples&&(wav.data.samples=buffer.slice(chunk.chunkData.start,chunk.chunkData.end))}(buffer,chunk.subChunks,samples,wav),function(buffer,signature,wav){var chunk=findChunk(signature,"junk");chunk&&(wav.junk={chunkId:chunk.chunkId,chunkSize:chunk.chunkSize,chunkData:[].slice.call(buffer.slice(chunk.chunkData.start,chunk.chunkData.end))})}(buffer,chunk.subChunks,wav),function(buffer,signature,wav,uInt32_,uInt16_){var listChunks=findChunk(signature,"LIST",!0);if(null===listChunks)return;for(var j=0;j<listChunks.length;j++){var subChunk=listChunks[j];wav.LIST.push({chunkId:subChunk.chunkId,chunkSize:subChunk.chunkSize,format:subChunk.format,subChunks:[]});for(var x=0;x<subChunk.subChunks.length;x++)readLISTSubChunks_(subChunk.subChunks[x],subChunk.format,buffer,wav,uInt32_,uInt16_)}}(buffer,chunk.subChunks,wav,uInt32_,uInt16_)}function readLISTSubChunks_(subChunk,format,buffer,wav,uInt32_,uInt16_){if("adtl"==format){if(["labl","note","ltxt"].indexOf(subChunk.chunkId)>-1){io$1.head_=subChunk.chunkData.start;var item={chunkId:subChunk.chunkId,chunkSize:subChunk.chunkSize,dwName:io$1.read_(buffer,uInt32_)};"ltxt"==subChunk.chunkId&&(item.dwSampleLength=io$1.read_(buffer,uInt32_),item.dwPurposeID=io$1.read_(buffer,uInt32_),item.dwCountry=io$1.read_(buffer,uInt16_),item.dwLanguage=io$1.read_(buffer,uInt16_),item.dwDialect=io$1.read_(buffer,uInt16_),item.dwCodePage=io$1.read_(buffer,uInt16_)),item.value=io$1.readZSTR_(buffer,io$1.head_),wav.LIST[wav.LIST.length-1].subChunks.push(item)}}else"INFO"==format&&(io$1.head_=subChunk.chunkData.start,wav.LIST[wav.LIST.length-1].subChunks.push({chunkId:subChunk.chunkId,chunkSize:subChunk.chunkSize,value:io$1.readZSTR_(buffer,io$1.head_)}))}var WavBuffer=function WavBuffer(){classCallCheck(this,WavBuffer),this.container="",this.chunkSize=0,this.format="",this.fmt={chunkId:"",chunkSize:0,audioFormat:0,numChannels:0,sampleRate:0,byteRate:0,blockAlign:0,bitsPerSample:0,cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]},this.fact={chunkId:"",chunkSize:0,dwSampleLength:0},this.cue={chunkId:"",chunkSize:0,dwCuePoints:0,points:[]},this.smpl={chunkId:"",chunkSize:0,dwManufacturer:0,dwProduct:0,dwSamplePeriod:0,dwMIDIUnityNote:0,dwMIDIPitchFraction:0,dwSMPTEFormat:0,dwSMPTEOffset:0,dwNumSampleLoops:0,dwSamplerData:0,loops:[]},this.bext={chunkId:"",chunkSize:0,description:"",originator:"",originatorReference:"",originationDate:"",originationTime:"",timeReference:[0,0],version:0,UMID:"",loudnessValue:0,loudnessRange:0,maxTruePeakLevel:0,maxMomentaryLoudness:0,maxShortTermLoudness:0,reserved:"",codingHistory:""},this.ds64={chunkId:"",chunkSize:0,riffSizeHigh:0,riffSizeLow:0,dataSizeHigh:0,dataSizeLow:0,originationTime:0,sampleCountHigh:0,sampleCountLow:0},this.data={chunkId:"",chunkSize:0,samples:new Uint8Array(0)},this.LIST=[],this.junk={chunkId:"",chunkSize:0,chunkData:[]}};return function(_WavBuffer){function WaveFile(){var bytes=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;classCallCheck(this,WaveFile);var _this=possibleConstructorReturn(this,(WaveFile.__proto__||Object.getPrototypeOf(WaveFile)).call(this));return _this.bitDepth="0",_this.dataType={},bytes&&_this.fromBuffer(bytes),_this}return inherits(WaveFile,WavBuffer),createClass(WaveFile,[{key:"getSample",value:function(index){if((index*=this.dataType.bits/8)+this.dataType.bits/8>this.data.samples.length)throw new Error("Range error");return unpack$1(this.data.samples.slice(index,index+this.dataType.bits/8),this.dataType)}},{key:"setSample",value:function(index,sample){if((index*=this.dataType.bits/8)+this.dataType.bits/8>this.data.samples.length)throw new Error("Range error");packTo(sample,this.dataType,this.data.samples,index)}},{key:"fromScratch",value:function(numChannels,sampleRate,bitDepthCode,samples){var options=arguments.length>4&&void 0!==arguments[4]?arguments[4]:{};options.container||(options.container="RIFF"),this.container=options.container,this.bitDepth=bitDepthCode,samples=this.interleave_(samples),this.updateDataType_();var numBytes=this.dataType.bits/8;this.data.samples=new Uint8Array(samples.length*numBytes),packArrayTo(samples,this.dataType,this.data.samples);var header=makeWavHeader(bitDepthCode,numChannels,sampleRate,numBytes,this.data.samples.length,options);this.clearHeader_(),this.chunkSize=header.chunkSize,this.format=header.format,this.fmt=header.fmt,header.fact&&(this.fact=header.fact),this.data.chunkId="data",this.data.chunkSize=this.data.samples.length,validateWavHeader_(this)}},{key:"fromBuffer",value:function(bytes){var samples=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];this.clearHeader_(),readWavBuffer(bytes,samples,this),this.bitDepthFromFmt_(),this.updateDataType_()}},{key:"toBuffer",value:function(){return validateWavHeader_(this),writeWavBuffer(this)}},{key:"fromBase64",value:function(base64String){this.fromBuffer(new Uint8Array(function(base64){var len=base64.length,bufferLength=.75*base64.length,p=0,encoded1=void 0,encoded2=void 0,encoded3=void 0,encoded4=void 0;"="===base64[base64.length-1]&&(bufferLength--,"="===base64[base64.length-2]&&bufferLength--);for(var arraybuffer=new ArrayBuffer(bufferLength),bytes=new Uint8Array(arraybuffer),_i2=0;_i2<len;_i2+=4)encoded1=lookup[base64.charCodeAt(_i2)],encoded2=lookup[base64.charCodeAt(_i2+1)],encoded3=lookup[base64.charCodeAt(_i2+2)],encoded4=lookup[base64.charCodeAt(_i2+3)],bytes[p++]=encoded1<<2|encoded2>>4,bytes[p++]=(15&encoded2)<<4|encoded3>>2,bytes[p++]=(3&encoded3)<<6|63&encoded4;return arraybuffer}(base64String)))}},{key:"toBase64",value:function(){var buffer=this.toBuffer();return function(arraybuffer,byteOffset,length){for(var bytes=new Uint8Array(arraybuffer,byteOffset,length),len=bytes.length,base64="",_i=0;_i<len;_i+=3)base64+=chars[bytes[_i]>>2],base64+=chars[(3&bytes[_i])<<4|bytes[_i+1]>>4],base64+=chars[(15&bytes[_i+1])<<2|bytes[_i+2]>>6],base64+=chars[63&bytes[_i+2]];return len%3==2?base64=base64.substring(0,base64.length-1)+"=":len%3==1&&(base64=base64.substring(0,base64.length-2)+"=="),base64}(buffer,0,buffer.length)}},{key:"toDataURI",value:function(){return"data:audio/wav;base64,"+this.toBase64()}},{key:"fromDataURI",value:function(dataURI){this.fromBase64(dataURI.replace("data:audio/wav;base64,",""))}},{key:"toRIFF",value:function(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,unpackArray(this.data.samples,this.dataType))}},{key:"toRIFX",value:function(){this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,unpackArray(this.data.samples,this.dataType),{container:"RIFX"})}},{key:"toBitDepth",value:function(newBitDepth){var changeResolution=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],toBitDepth=newBitDepth,thisBitDepth=this.bitDepth;changeResolution||("32f"!=newBitDepth&&(toBitDepth=this.dataType.bits.toString()),thisBitDepth=this.dataType.bits),this.assureUncompressed_();var sampleCount=this.data.samples.length/(this.dataType.bits/8),typedSamplesInput=new Float64Array(sampleCount+1),typedSamplesOutput=new Float64Array(sampleCount+1);unpackArrayTo(this.data.samples,this.dataType,typedSamplesInput),"32f"!=thisBitDepth&&"64"!=thisBitDepth||this.truncateSamples_(typedSamplesInput),bitDepth(typedSamplesInput,thisBitDepth,toBitDepth,typedSamplesOutput),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,newBitDepth,typedSamplesOutput,{container:this.correctContainer_()})}},{key:"toIMAADPCM",value:function(){if(8e3!==this.fmt.sampleRate)throw new Error("Only 8000 Hz files can be compressed as IMA-ADPCM.");if(1!==this.fmt.numChannels)throw new Error("Only mono files can be compressed as IMA-ADPCM.");this.assure16Bit_();var output=new Int16Array(this.data.samples.length/2);unpackArrayTo(this.data.samples,this.dataType,output),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"4",function(samples){for(var adpcmSamples=new Uint8Array(samples.length/2+512),block=[],fileIndex=0,i=0;i<samples.length;i++)i%505==0&&0!=i&&(adpcmSamples.set(encodeBlock(block),fileIndex),fileIndex+=256,block=[]),block.push(samples[i]);return adpcmSamples}(output),{container:this.correctContainer_()})}},{key:"fromIMAADPCM",value:function(){var bitDepthCode=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"16";this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(adpcmSamples){for(var blockAlign=arguments.length>1&&void 0!==arguments[1]?arguments[1]:256,samples=new Int16Array(2*adpcmSamples.length),block=[],fileIndex=0,i=0;i<adpcmSamples.length;i++)i%blockAlign==0&&0!=i&&(samples.set(decodeBlock(block),fileIndex),fileIndex+=2*blockAlign,block=[]),block.push(adpcmSamples[i]);return samples}(this.data.samples,this.fmt.blockAlign),{container:this.correctContainer_()}),"16"!=bitDepthCode&&this.toBitDepth(bitDepthCode)}},{key:"toALaw",value:function(){this.assure16Bit_();var output=new Int16Array(this.data.samples.length/2);unpackArrayTo(this.data.samples,this.dataType,output),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8a",function(samples){for(var aLawSamples=new Uint8Array(samples.length),i=0;i<samples.length;i++)aLawSamples[i]=encodeSample(samples[i]);return aLawSamples}(output),{container:this.correctContainer_()})}},{key:"fromALaw",value:function(){var bitDepthCode=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"16";this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(samples){for(var pcmSamples=new Int16Array(samples.length),i=0;i<samples.length;i++)pcmSamples[i]=decodeSample(samples[i]);return pcmSamples}(this.data.samples),{container:this.correctContainer_()}),"16"!=bitDepthCode&&this.toBitDepth(bitDepthCode)}},{key:"toMuLaw",value:function(){this.assure16Bit_();var output=new Int16Array(this.data.samples.length/2);unpackArrayTo(this.data.samples,this.dataType,output),this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"8m",function(samples){for(var sample,sign,exponent,muLawSamples=new Uint8Array(samples.length),i=0;i<samples.length;i++)muLawSamples[i]=(sample=samples[i],sign=void 0,exponent=void 0,0!=(sign=sample>>8&128)&&(sample=-sample),sample>CLIP&&(sample=CLIP),~(sign|(exponent=encodeTable[(sample+=BIAS)>>7&255])<<4|sample>>exponent+3&15));return muLawSamples}(output),{container:this.correctContainer_()})}},{key:"fromMuLaw",value:function(){var bitDepthCode=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"16";this.fromScratch(this.fmt.numChannels,this.fmt.sampleRate,"16",function(samples){for(var muLawSample,sign,exponent,mantissa,sample,pcmSamples=new Int16Array(samples.length),i=0;i<samples.length;i++)pcmSamples[i]=(muLawSample=samples[i],sign=void 0,exponent=void 0,mantissa=void 0,sample=void 0,sample=void 0,sign=128&(muLawSample=~muLawSample),mantissa=15&muLawSample,sample=decodeTable[exponent=muLawSample>>4&7]+(mantissa<<exponent+3),0!=sign&&(sample=-sample),sample);return pcmSamples}(this.data.samples),{container:this.correctContainer_()}),"16"!=bitDepthCode&&this.toBitDepth(bitDepthCode)}},{key:"setTag",value:function(tag,value){tag=this.fixTagName_(tag);var index=this.getTagIndex_(tag);null!==index.TAG?(this.LIST[index.LIST].subChunks[index.TAG].chunkSize=value.length+1,this.LIST[index.LIST].subChunks[index.TAG].value=value):null!==index.LIST?this.LIST[index.LIST].subChunks.push({chunkId:tag,chunkSize:value.length+1,value:value}):(this.LIST.push({chunkId:"LIST",chunkSize:8+value.length+1,format:"INFO",subChunks:[]}),this.LIST[this.LIST.length-1].subChunks.push({chunkId:tag,chunkSize:value.length+1,value:value}))}},{key:"getTag",value:function(tag){var index=this.getTagIndex_(tag);return null!==index.TAG?this.LIST[index.LIST].subChunks[index.TAG].value:null}},{key:"listTags",value:function(){var index=this.getLISTINFOIndex_(),tags={};if(null!==index)for(var i=0,len=this.LIST[index].subChunks.length;i<len;i++)tags[this.LIST[index].subChunks[i].chunkId]=this.LIST[index].subChunks[i].value;return tags}},{key:"deleteTag",value:function(tag){var index=this.getTagIndex_(tag);return null!==index.TAG&&(this.LIST[index.LIST].subChunks.splice(index.TAG,1),!0)}},{key:"setCuePoint",value:function(position){var labl=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"";this.cue.chunkId="cue ",position=position*this.fmt.sampleRate/1e3;var existingPoints=this.getCuePoints_();this.clearLISTadtl_();var len=this.cue.points.length;this.cue.points=[];var hasSet=!1;if(0===len)this.setCuePoint_(position,1,labl);else{for(var i=0;i<len;i++)existingPoints[i].dwPosition>position&&!hasSet?(this.setCuePoint_(position,i+1,labl),this.setCuePoint_(existingPoints[i].dwPosition,i+2,existingPoints[i].label),hasSet=!0):this.setCuePoint_(existingPoints[i].dwPosition,i+1,existingPoints[i].label);hasSet||this.setCuePoint_(position,this.cue.points.length+1,labl)}this.cue.dwCuePoints=this.cue.points.length}},{key:"deleteCuePoint",value:function(index){this.cue.chunkId="cue ";var existingPoints=this.getCuePoints_();this.clearLISTadtl_();var len=this.cue.points.length;this.cue.points=[];for(var i=0;i<len;i++)i+1!==index&&this.setCuePoint_(existingPoints[i].dwPosition,i+1,existingPoints[i].label);this.cue.dwCuePoints=this.cue.points.length,this.cue.dwCuePoints?this.cue.chunkId="cue ":(this.cue.chunkId="",this.clearLISTadtl_())}},{key:"listCuePoints",value:function(){for(var points=this.getCuePoints_(),i=0,len=points.length;i<len;i++)points[i].milliseconds=points[i].dwPosition/this.fmt.sampleRate*1e3;return points}},{key:"updateLabel",value:function(pointIndex,label){var cIndex=this.getAdtlChunk_();if(null!==cIndex)for(var i=0,len=this.LIST[cIndex].subChunks.length;i<len;i++)this.LIST[cIndex].subChunks[i].dwName==pointIndex&&(this.LIST[cIndex].subChunks[i].value=label)}},{key:"bitDepthFromFmt_",value:function(){3===this.fmt.audioFormat&&32===this.fmt.bitsPerSample?this.bitDepth="32f":6===this.fmt.audioFormat?this.bitDepth="8a":7===this.fmt.audioFormat?this.bitDepth="8m":this.bitDepth=this.fmt.bitsPerSample.toString()}},{key:"setCuePoint_",value:function(position,dwName,label){this.cue.points.push({dwName:dwName,dwPosition:position,fccChunk:"data",dwChunkStart:0,dwBlockStart:0,dwSampleOffset:position}),this.setLabl_(dwName,label)}},{key:"getCuePoints_",value:function(){for(var points=[],i=0,len=this.cue.points.length;i<len;i++)points.push({dwPosition:this.cue.points[i].dwPosition,label:this.getLabelForCuePoint_(this.cue.points[i].dwName)});return points}},{key:"getLabelForCuePoint_",value:function(pointDwName){var cIndex=this.getAdtlChunk_();if(null!==cIndex)for(var i=0,len=this.LIST[cIndex].subChunks.length;i<len;i++)if(this.LIST[cIndex].subChunks[i].dwName==pointDwName)return this.LIST[cIndex].subChunks[i].value;return""}},{key:"clearLISTadtl_",value:function(){for(var i=0,len=this.LIST.length;i<len;i++)"adtl"==this.LIST[i].format&&this.LIST.splice(i)}},{key:"setLabl_",value:function(dwName,label){var adtlIndex=this.getAdtlChunk_();null===adtlIndex&&(this.LIST.push({chunkId:"LIST",chunkSize:4,format:"adtl",subChunks:[]}),adtlIndex=this.LIST.length-1),this.setLabelText_(null===adtlIndex?0:adtlIndex,dwName,label)}},{key:"setLabelText_",value:function(adtlIndex,dwName,label){this.LIST[adtlIndex].subChunks.push({chunkId:"labl",chunkSize:label.length,dwName:dwName,value:label}),this.LIST[adtlIndex].chunkSize+=label.length+4+4+4+1}},{key:"getAdtlChunk_",value:function(){for(var i=0,len=this.LIST.length;i<len;i++)if("adtl"==this.LIST[i].format)return i;return null}},{key:"getLISTINFOIndex_",value:function(){for(var index=null,i=0,len=this.LIST.length;i<len;i++)if("INFO"===this.LIST[i].format){index=i;break}return index}},{key:"getTagIndex_",value:function(tag){for(var index={LIST:null,TAG:null},i=0,len=this.LIST.length;i<len;i++)if("INFO"==this.LIST[i].format){index.LIST=i;for(var j=0,subLen=this.LIST[i].subChunks.length;j<subLen;j++)if(this.LIST[i].subChunks[j].chunkId==tag){index.TAG=j;break}break}return index}},{key:"fixTagName_",value:function(tag){if(tag.constructor!==String)throw new Error("Invalid tag name.");if(tag.length<4)for(var i=0,len=4-tag.length;i<len;i++)tag+=" ";return tag}},{key:"clearHeader_",value:function(){this.fmt.cbSize=0,this.fmt.validBitsPerSample=0,this.fact.chunkId="",this.ds64.chunkId=""}},{key:"assure16Bit_",value:function(){this.assureUncompressed_(),"16"!=this.bitDepth&&this.toBitDepth("16")}},{key:"assureUncompressed_",value:function(){"8a"==this.bitDepth?this.fromALaw():"8m"==this.bitDepth?this.fromMuLaw():"4"==this.bitDepth&&this.fromIMAADPCM()}},{key:"interleave_",value:function(samples){if(samples.length>0&&samples[0].constructor===Array){for(var finalSamples=[],i=0,len=samples[0].length;i<len;i++)for(var j=0,subLen=samples.length;j<subLen;j++)finalSamples.push(samples[j][i]);samples=finalSamples}return samples}},{key:"updateDataType_",value:function(){this.dataType={bits:1+(parseInt(this.bitDepth,10)-1|7),fp:"32f"==this.bitDepth||"64"==this.bitDepth,signed:"8"!=this.bitDepth,be:"RIFX"==this.container},["4","8a","8m"].indexOf(this.bitDepth)>-1&&(this.dataType.bits=8,this.dataType.signed=!1)}},{key:"correctContainer_",value:function(){return"RF64"==this.container?"RIFF":this.container}},{key:"truncateSamples_",value:function(samples){for(var i=0,len=samples.length;i<len;i++)samples[i]>1?samples[i]=1:samples[i]<-1&&(samples[i]=-1)}}]),WaveFile}()});

externs/wavefile.js

@@ -0,4 +1,27 @@
+/*
+ * Copyright (c) 2017-2018 Rafael da Silva Rocha.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
 /**
- * @fileoverview Externs for wavefile 9.0
- *
+ * @fileoverview Externs for wavefile 8.4
  * @see https://github.com/rochars/wavefile
@@ -16,7 +39,7 @@ * @externs
  */
-WaveFile.container = '';
+WaveFile.prototype.container = '';
 /**
  * @type {number}
  */
-WaveFile.chunkSize = 0;
+WaveFile.prototype.chunkSize = 0;
 /**
@@ -27,3 +50,3 @@ * The format.
  */
-WaveFile.format = '';
+WaveFile.prototype.format = '';
 /**
@@ -33,3 +56,3 @@ * The data of the fmt chunk.
  */
-WaveFile.fmt = {
+WaveFile.prototype.fmt = {
   /** @type {string} */
@@ -67,3 +90,3 @@ chunkId: '',
  */
-WaveFile.fact = {
+WaveFile.prototype.fact = {
   /** @type {string} */
@@ -80,3 +103,3 @@ chunkId: '',
  */
-WaveFile.cue = {
+WaveFile.prototype.cue = {
   /** @type {string} */
@@ -103,3 +126,3 @@ chunkId: '',
  */
-WaveFile.smpl = {
+WaveFile.prototype.smpl = {
   /** @type {string} */
@@ -143,3 +166,3 @@ chunkId: '',
  */
-WaveFile.bext = {
+WaveFile.prototype.bext = {
   /** @type {string} */
@@ -188,3 +211,3 @@ chunkId: '',
  */
-WaveFile.ds64 = {
+WaveFile.prototype.ds64 = {
   /** @type {string} */
@@ -213,3 +236,3 @@ chunkId: '',
  */
-WaveFile.data = {
+WaveFile.prototype.data = {
   /** @type {string} */
@@ -226,3 +249,3 @@ chunkId: '',
  */
-WaveFile.LIST = [
+WaveFile.prototype.LIST = [
   {
@@ -265,3 +288,3 @@ chunkId: '',
  */
-WaveFile.junk = {
+WaveFile.prototype.junk = {
   /** @type {string} */
@@ -278,3 +301,3 @@ chunkId: '',
  */
-WaveFile.bitDepth = '';
+WaveFile.prototype.bitDepth = '';
 
@@ -287,3 +310,3 @@ /**
  */
-WaveFile.getSample = function(index) {};
+WaveFile.prototype.getSample = function(index) {};
 
@@ -296,3 +319,3 @@ /**
  */
-WaveFile.setSample = function(index, sample) {};
+WaveFile.prototype.setSample = function(index, sample) {};
 
@@ -315,4 +338,5 @@ /**
  */
-WaveFile.fromScratch = function(
-  numChannels, sampleRate, bitDepthCode, samples, options={container:'RIFF'}) {};
+WaveFile.prototype.fromScratch = function(
+  numChannels, sampleRate, bitDepthCode, samples, options={
+    container:'RIFF'}) {};
 
@@ -327,3 +351,3 @@ /**
  */
-WaveFile.fromBuffer = function(bytes, samples=true) {};
+WaveFile.prototype.fromBuffer = function(bytes, samples=true) {};
 
@@ -336,3 +360,3 @@ /**
  */
-WaveFile.toBuffer = function() {};
+WaveFile.prototype.toBuffer = function() {};
 
@@ -344,3 +368,3 @@ /**
  */
-WaveFile.fromBase64 = function(base64String) {};
+WaveFile.prototype.fromBase64 = function(base64String) {};
 
@@ -352,3 +376,3 @@ /**
  */
-WaveFile.toBase64 = function() {};
+WaveFile.prototype.toBase64 = function() {};
 
@@ -361,3 +385,3 @@ /**
  */
-WaveFile.toDataURI = function() {};
+WaveFile.prototype.toDataURI = function() {};
 
@@ -369,3 +393,3 @@ /**
  */
-WaveFile.fromDataURI = function(dataURI) {};
+WaveFile.prototype.fromDataURI = function(dataURI) {};
 
@@ -375,3 +399,3 @@ /**
  */
-WaveFile.toRIFF = function() {};
+WaveFile.prototype.toRIFF = function() {};
 
@@ -381,3 +405,3 @@ /**
  */
-WaveFile.toRIFX = function() {};
+WaveFile.prototype.toRIFX = function() {};
 
@@ -392,3 +416,3 @@ /**
  */
-WaveFile.toBitDepth = function(newBitDepth, changeResolution=true) {};
+WaveFile.prototype.toBitDepth = function(newBitDepth, changeResolution=true) {};
 
@@ -400,3 +424,3 @@ /**
  */
-WaveFile.toIMAADPCM = function() {};
+WaveFile.prototype.toIMAADPCM = function() {};
 
@@ -409,3 +433,3 @@ /**
  */
-WaveFile.fromIMAADPCM = function(bitDepthCode='16') {};
+WaveFile.prototype.fromIMAADPCM = function(bitDepthCode='16') {};
 
@@ -415,3 +439,3 @@ /**
  */
-WaveFile.toALaw = function() {};
+WaveFile.prototype.toALaw = function() {};
 
@@ -424,3 +448,3 @@ /**
  */
-WaveFile.fromALaw = function(bitDepthCode='16') {};
+WaveFile.prototype.fromALaw = function(bitDepthCode='16') {};
 
@@ -430,3 +454,3 @@ /**
  */
-WaveFile.toMuLaw = function() {};
+WaveFile.prototype.toMuLaw = function() {};
 
@@ -439,3 +463,3 @@ /**
  */
-WaveFile.fromMuLaw = function(bitDepthCode='16') {};
+WaveFile.prototype.fromMuLaw = function(bitDepthCode='16') {};
 
@@ -449,3 +473,3 @@ /**
  */
-WaveFile.setTag = function(tag, value) {};
+WaveFile.prototype.setTag = function(tag, value) {};
 
@@ -457,3 +481,3 @@ /**
  */
-WaveFile.getTag = function(tag) {};
+WaveFile.prototype.getTag = function(tag) {};
 
@@ -465,3 +489,3 @@ /**
  */
-WaveFile.deleteTag = function(tag) {};
+WaveFile.prototype.deleteTag = function(tag) {};
 
@@ -473,3 +497,3 @@ /**
  */
-WaveFile.setCuePoint = function(position, labl='') {};
+WaveFile.prototype.setCuePoint = function(position, labl='') {};
 
@@ -481,3 +505,3 @@ /**
  */
-WaveFile.deleteCuePoint = function(index) {};
+WaveFile.prototype.deleteCuePoint = function(index) {};
 
@@ -489,3 +513,3 @@ /**
  */
-WaveFile.updateLabel = function(pointIndex, label) {};
+WaveFile.prototype.updateLabel = function(pointIndex, label) {};
 
@@ -496,3 +520,3 @@ /**
  */
-WaveFile.listTags = function() {};
+WaveFile.prototype.listTags = function() {};
 
@@ -508,2 +532,2 @@ /**
  */
-WaveFile.listCuePoints = function() {};
+WaveFile.prototype.listCuePoints = function() {};

index.d.ts

@@ -1,2 +0,2 @@
-// Type definitions for wavefile 9.0
+// Type definitions for wavefile 8.4
 // Project: https://github.com/rochars/wavefile
@@ -9,291 +9,291 @@ // Definitions by: Rafael S. Rocha <https://github.com/rochars>
 declare class WaveFile {
-    
-    /**
-     * @param {?Uint8Array=} bytes A wave file buffer.
-     * @throws {Error} If no 'RIFF' chunk is found.
-     * @throws {Error} If no 'fmt ' chunk is found.
-     * @throws {Error} If no 'data' chunk is found.
-     */
-    constructor(bytes?: Uint8Array);
+  
+  /**
+   * @param {?Uint8Array=} bytes A wave file buffer.
+   * @throws {Error} If no 'RIFF' chunk is found.
+   * @throws {Error} If no 'fmt ' chunk is found.
+   * @throws {Error} If no 'data' chunk is found.
+   */
+  constructor(bytes?: Uint8Array);
 
-    /**
-     * The bit depth code according to the samples.
-     * @type {string}
-     */
-    bitDepth: string;
-    /**
-     * The container identifier.
-     * 'RIFF', 'RIFX' and 'RF64' are supported.
-     * @type {string}
-     */
-    container: string;
-    /**
-     * @type {number}
-     */
-    chunkSize: number;
-    /**
-     * The format.
-     * Always 'WAVE'.
-     * @type {string}
-     */
-    format: string;
-    /**
-     * The data of the 'fmt' chunk.
-     * @type {!Object<string, *>}
-     */
-    fmt: object;
-    /**
-     * The data of the 'fact' chunk.
-     * @type {!Object<string, *>}
-     */
-    fact: object;
-    /**
-     * The data of the 'cue ' chunk.
-     * @type {!Object<string, *>}
-     */
-    cue: object;
-    /**
-     * The data of the 'smpl' chunk.
-     * @type {!Object<string, *>}
-     */
-    smpl: object;
-    /**
-     * The data of the 'bext' chunk.
-     * @type {!Object<string, *>}
-     */
-    bext: object;
-    /**
-     * The data of the 'ds64' chunk.
-     * Used only with RF64 files.
-     * @type {!Object<string, *>}
-     */
-    ds64: object;
-    /**
-     * The data of the 'data' chunk.
-     * @type {!Object<string, *>}
-     */
-    data: object;
-    /**
-     * The data of the 'LIST' chunks.
-     * Each item in this list look like this:
-     *  {
-     *      chunkId: '',
-     *      chunkSize: 0,
-     *      format: '',
-     *      subChunks: []
-     *   }
-     * @type {!Array<!Object>}
-     */
-    LIST: object[];
-    /**
-     * The data of the 'junk' chunk.
-     * @type {!Object<string, *>}
-     */
-    junk: object;
+  /**
+   * The bit depth code according to the samples.
+   * @type {string}
+   */
+  bitDepth: string;
+  /**
+   * The container identifier.
+   * 'RIFF', 'RIFX' and 'RF64' are supported.
+   * @type {string}
+   */
+  container: string;
+  /**
+   * @type {number}
+   */
+  chunkSize: number;
+  /**
+   * The format.
+   * Always 'WAVE'.
+   * @type {string}
+   */
+  format: string;
+  /**
+   * The data of the 'fmt' chunk.
+   * @type {!Object<string, *>}
+   */
+  fmt: object;
+  /**
+   * The data of the 'fact' chunk.
+   * @type {!Object<string, *>}
+   */
+  fact: object;
+  /**
+   * The data of the 'cue ' chunk.
+   * @type {!Object<string, *>}
+   */
+  cue: object;
+  /**
+   * The data of the 'smpl' chunk.
+   * @type {!Object<string, *>}
+   */
+  smpl: object;
+  /**
+   * The data of the 'bext' chunk.
+   * @type {!Object<string, *>}
+   */
+  bext: object;
+  /**
+   * The data of the 'ds64' chunk.
+   * Used only with RF64 files.
+   * @type {!Object<string, *>}
+   */
+  ds64: object;
+  /**
+   * The data of the 'data' chunk.
+   * @type {!Object<string, *>}
+   */
+  data: object;
+  /**
+   * The data of the 'LIST' chunks.
+   * Each item in this list look like this:
+   *  {
+   *    chunkId: '',
+   *    chunkSize: 0,
+   *    format: '',
+   *    subChunks: []
+   *   }
+   * @type {!Array<!Object>}
+   */
+  LIST: object[];
+  /**
+   * The data of the 'junk' chunk.
+   * @type {!Object<string, *>}
+   */
+  junk: object;
 
-    /**
-     * Return the sample at a given index.
-     * @param {number} index The sample index.
-     * @return {number} The sample.
-     * @throws {Error} If the sample index is off range.
-     */
-    getSample(index: number): number;
+  /**
+   * Return the sample at a given index.
+   * @param {number} index The sample index.
+   * @return {number} The sample.
+   * @throws {Error} If the sample index is off range.
+   */
+  getSample(index: number): number;
 
-    /**
-     * Set the sample at a given index.
-     * @param {number} index The sample index.
-     * @param {number} sample The sample.
-     * @throws {Error} If the sample index is off range.
-     */
-    setSample(index: number, sample: number): void;
+  /**
+   * Set the sample at a given index.
+   * @param {number} index The sample index.
+   * @param {number} sample The sample.
+   * @throws {Error} If the sample index is off range.
+   */
+  setSample(index: number, sample: number): void;
 
-    /**
-     * Set up the WaveFile object based on the arguments passed.
-     * @param {number} numChannels The number of channels
-     *    (Integer numbers: 1 for mono, 2 stereo and so on).
-     * @param {number} sampleRate The sample rate.
-     *    Integer numbers like 8000, 44100, 48000, 96000, 192000.
-     * @param {string} bitDepthCode The audio bit depth code.
-     *    One of '4', '8', '8a', '8m', '16', '24', '32', '32f', '64'
-     *    or any value between '8' and '32' (like '12').
-     * @param {!Array<number>|!Array<!Array<number>>|!ArrayBufferView} samples
-     *    The samples. Must be in the correct range according to the bit depth.
-     * @param {?Object} options Optional. Used to force the container
-     *    as RIFX with {'container': 'RIFX'}
-     * @throws {Error} If any argument does not meet the criteria.
-     */
-    fromScratch(
-        numChannels: number,
-        sampleRate: number,
-        bitDepthCode: string,
-        samples: any,
-        options?: object): void;
+  /**
+   * Set up the WaveFile object based on the arguments passed.
+   * @param {number} numChannels The number of channels
+   *  (Integer numbers: 1 for mono, 2 stereo and so on).
+   * @param {number} sampleRate The sample rate.
+   *  Integer numbers like 8000, 44100, 48000, 96000, 192000.
+   * @param {string} bitDepthCode The audio bit depth code.
+   *  One of '4', '8', '8a', '8m', '16', '24', '32', '32f', '64'
+   *  or any value between '8' and '32' (like '12').
+   * @param {!Array<number>|!Array<!Array<number>>|!ArrayBufferView} samples
+   *  The samples. Must be in the correct range according to the bit depth.
+   * @param {?Object} options Optional. Used to force the container
+   *  as RIFX with {'container': 'RIFX'}
+   * @throws {Error} If any argument does not meet the criteria.
+   */
+  fromScratch(
+    numChannels: number,
+    sampleRate: number,
+    bitDepthCode: string,
+    samples: Array<number>|Array<Array<number>>|ArrayBufferView,
+    options?: object): void;
 
-    /**
-     * Set up the WaveFile object from a byte buffer.
-     * @param {!Uint8Array} bytes The buffer.
-     * @param {boolean=} samples True if the samples should be loaded.
-     * @throws {Error} If container is not RIFF, RIFX or RF64.
-     * @throws {Error} If no 'fmt ' chunk is found.
-     * @throws {Error} If no 'data' chunk is found.
-     */
-    fromBuffer(bytes: Uint8Array, samples?:boolean): void;
+  /**
+   * Set up the WaveFile object from a byte buffer.
+   * @param {!Uint8Array} bytes The buffer.
+   * @param {boolean=} samples True if the samples should be loaded.
+   * @throws {Error} If container is not RIFF, RIFX or RF64.
+   * @throws {Error} If no 'fmt ' chunk is found.
+   * @throws {Error} If no 'data' chunk is found.
+   */
+  fromBuffer(bytes: Uint8Array, samples?:boolean): void;
 
-    /**
-     * Return a byte buffer representig the WaveFile object as a .wav file.
-     * The return value of this method can be written straight to disk.
-     * @return {!Uint8Array} A .wav file.
-     * @throws {Error} If any property of the object appears invalid.
-     */
-    toBuffer(): Uint8Array;
+  /**
+   * Return a byte buffer representig the WaveFile object as a .wav file.
+   * The return value of this method can be written straight to disk.
+   * @return {!Uint8Array} A .wav file.
+   * @throws {Error} If any property of the object appears invalid.
+   */
+  toBuffer(): Uint8Array;
 
-    /**
-     * Use a .wav file encoded as a base64 string to load the WaveFile object.
-     * @param {string} base64String A .wav file as a base64 string.
-     * @throws {Error} If any property of the object appears invalid.
-     */
-    fromBase64(base64String: string): void;
+  /**
+   * Use a .wav file encoded as a base64 string to load the WaveFile object.
+   * @param {string} base64String A .wav file as a base64 string.
+   * @throws {Error} If any property of the object appears invalid.
+   */
+  fromBase64(base64String: string): void;
 
-    /**
-     * Return a base64 string representig the WaveFile object as a .wav file.
-     * @return {string} A .wav file as a base64 string.
-     * @throws {Error} If any property of the object appears invalid.
-     */
-    toBase64(): string;
+  /**
+   * Return a base64 string representig the WaveFile object as a .wav file.
+   * @return {string} A .wav file as a base64 string.
+   * @throws {Error} If any property of the object appears invalid.
+   */
+  toBase64(): string;
 
-    /**
-     * Return a DataURI string representig the WaveFile object as a .wav file.
-     * The return of this method can be used to load the audio in browsers.
-     * @return {string} A .wav file as a DataURI.
-     * @throws {Error} If any property of the object appears invalid.
-     */
-    toDataURI(): string;
+  /**
+   * Return a DataURI string representig the WaveFile object as a .wav file.
+   * The return of this method can be used to load the audio in browsers.
+   * @return {string} A .wav file as a DataURI.
+   * @throws {Error} If any property of the object appears invalid.
+   */
+  toDataURI(): string;
 
-    /**
-     * Use a .wav file encoded as a DataURI to load the WaveFile object.
-     * @param {string} dataURI A .wav file as DataURI.
-     * @throws {Error} If any property of the object appears invalid.
-     */
-    fromDataURI(dataURI: string): void;
+  /**
+   * Use a .wav file encoded as a DataURI to load the WaveFile object.
+   * @param {string} dataURI A .wav file as DataURI.
+   * @throws {Error} If any property of the object appears invalid.
+   */
+  fromDataURI(dataURI: string): void;
 
-    /**
-     * Force a file as RIFF.
-     */
-    toRIFF(): void;
+  /**
+   * Force a file as RIFF.
+   */
+  toRIFF(): void;
 
-    /**
-     * Force a file as RIFX.
-     */
-    toRIFX(): void;
+  /**
+   * Force a file as RIFX.
+   */
+  toRIFX(): void;
 
-    /**
-     * Change the bit depth of the samples.
-     * @param {string} newBitDepth The new bit depth of the samples.
-     *    One of '8' ... '32' (integers), '32f' or '64' (floats)
-     * @param {boolean} changeResolution A boolean indicating if the
-     *    resolution of samples should be actually changed or not.
-     * @throws {Error} If the bit depth is not valid.
-     */
-    toBitDepth(newBitDepth: string, changeResolution?: boolean): void;
+  /**
+   * Change the bit depth of the samples.
+   * @param {string} newBitDepth The new bit depth of the samples.
+   *  One of '8' ... '32' (integers), '32f' or '64' (floats)
+   * @param {boolean} changeResolution A boolean indicating if the
+   *  resolution of samples should be actually changed or not.
+   * @throws {Error} If the bit depth is not valid.
+   */
+  toBitDepth(newBitDepth: string, changeResolution?: boolean): void;
 
-    /**
-     * Encode a 16-bit wave file as 4-bit IMA ADPCM.
-     * @throws {Error} If sample rate is not 8000.
-     * @throws {Error} If number of channels is not 1.
-     */
-    toIMAADPCM(): void;
+  /**
+   * Encode a 16-bit wave file as 4-bit IMA ADPCM.
+   * @throws {Error} If sample rate is not 8000.
+   * @throws {Error} If number of channels is not 1.
+   */
+  toIMAADPCM(): void;
 
-    /**
-     * Decode a 4-bit IMA ADPCM wave file as a 16-bit wave file.
-     * @param {string} bitDepthCode The new bit depth of the samples.
-     *    One of '8' ... '32' (integers), '32f' or '64' (floats).
-     *    Optional. Default is 16.
-     */
-    fromIMAADPCM(bitDepthCode?: string): void;
+  /**
+   * Decode a 4-bit IMA ADPCM wave file as a 16-bit wave file.
+   * @param {string} bitDepthCode The new bit depth of the samples.
+   *  One of '8' ... '32' (integers), '32f' or '64' (floats).
+   *  Optional. Default is 16.
+   */
+  fromIMAADPCM(bitDepthCode?: string): void;
 
-    /**
-     * Encode a 16-bit wave file as 8-bit A-Law.
-     */
-    toALaw(): void;
+  /**
+   * Encode a 16-bit wave file as 8-bit A-Law.
+   */
+  toALaw(): void;
 
-    /**
-     * Decode a 8-bit A-Law wave file into a 16-bit wave file.
-     * @param {string} bitDepthCode The new bit depth of the samples.
-     *    One of '8' ... '32' (integers), '32f' or '64' (floats).
-     *    Optional. Default is 16.
-     */
-    fromALaw(bitDepthCode?: string): void;
+  /**
+   * Decode a 8-bit A-Law wave file into a 16-bit wave file.
+   * @param {string} bitDepthCode The new bit depth of the samples.
+   *  One of '8' ... '32' (integers), '32f' or '64' (floats).
+   *  Optional. Default is 16.
+   */
+  fromALaw(bitDepthCode?: string): void;
 
-    /**
-     * Encode 16-bit wave file as 8-bit mu-Law.
-     */
-    toMuLaw(): void;
+  /**
+   * Encode 16-bit wave file as 8-bit mu-Law.
+   */
+  toMuLaw(): void;
 
-    /**
-     * Decode a 8-bit mu-Law wave file into a 16-bit wave file.
-     * @param {string} bitDepthCode The new bit depth of the samples.
-     *    One of '8' ... '32' (integers), '32f' or '64' (floats).
-     *    Optional. Default is 16.
-     */
-    fromMuLaw(bitDepthCode?: string): void;
+  /**
+   * Decode a 8-bit mu-Law wave file into a 16-bit wave file.
+   * @param {string} bitDepthCode The new bit depth of the samples.
+   *  One of '8' ... '32' (integers), '32f' or '64' (floats).
+   *  Optional. Default is 16.
+   */
+  fromMuLaw(bitDepthCode?: string): void;
 
-    /**
-     * Write a RIFF tag in the INFO chunk. If the tag do not exist,
-     * then it is created. It if exists, it is overwritten.
-     * @param {string} tag The tag name.
-     * @param {string} value The tag value.
-     * @throws {Error} If the tag name is not valid.
-     */
-    setTag(tag: string, value: string): void;
+  /**
+   * Write a RIFF tag in the INFO chunk. If the tag do not exist,
+   * then it is created. It if exists, it is overwritten.
+   * @param {string} tag The tag name.
+   * @param {string} value The tag value.
+   * @throws {Error} If the tag name is not valid.
+   */
+  setTag(tag: string, value: string): void;
 
-    /**
-     * Return the value of a RIFF tag in the INFO chunk.
-     * @param {string} tag The tag name.
-     * @return {?string} The value if the tag is found, null otherwise.
-     */
-    getTag(tag: string): string|null;
+  /**
+   * Return the value of a RIFF tag in the INFO chunk.
+   * @param {string} tag The tag name.
+   * @return {?string} The value if the tag is found, null otherwise.
+   */
+  getTag(tag: string): string|null;
 
-    /**
-     * Return a Object<tag, value> with the RIFF tags in the file.
-     * @return {!Object<string, string>} The file tags.
-     */
-    listTags(): object;
+  /**
+   * Return a Object<tag, value> with the RIFF tags in the file.
+   * @return {!Object<string, string>} The file tags.
+   */
+  listTags(): object;
 
-    /**
-     * Remove a RIFF tag in the INFO chunk.
-     * @param {string} tag The tag name.
-     * @return {boolean} True if a tag was deleted.
-     */
-    deleteTag(tag: string): boolean;
+  /**
+   * Remove a RIFF tag in the INFO chunk.
+   * @param {string} tag The tag name.
+   * @return {boolean} True if a tag was deleted.
+   */
+  deleteTag(tag: string): boolean;
 
-    /**
-     * Create a cue point in the wave file.
-     * @param {number} position The cue point position in milliseconds.
-     * @param {string} labl The LIST adtl labl text of the marker. Optional.
-     */
-    setCuePoint(position: number, labl?: string): void;
+  /**
+   * Create a cue point in the wave file.
+   * @param {number} position The cue point position in milliseconds.
+   * @param {string} labl The LIST adtl labl text of the marker. Optional.
+   */
+  setCuePoint(position: number, labl?: string): void;
 
-    /**
-     * Remove a cue point from a wave file.
-     * @param {number} index the index of the point. First is 1,
-     *    second is 2, and so on.
-     */
-    deleteCuePoint(index: number): void;
+  /**
+   * Remove a cue point from a wave file.
+   * @param {number} index the index of the point. First is 1,
+   *  second is 2, and so on.
+   */
+  deleteCuePoint(index: number): void;
 
-    /**
-     * Return an array with all cue points in the file, in the order they appear
-     * in the file.
-     * The difference between this method and using the list in WaveFile.cue
-     * is that the return value of this method includes the position in
-     * milliseconds of each cue point (WaveFile.cue only have the sample offset)
-     * @return {!Array<!Object>}
-     */
-    listCuePoints(): Array<object>;
+  /**
+   * Return an array with all cue points in the file, in the order they appear
+   * in the file.
+   * The difference between this method and using the list in WaveFile.cue
+   * is that the return value of this method includes the position in
+   * milliseconds of each cue point (WaveFile.cue only have the sample offset)
+   * @return {!Array<!Object>}
+   */
+  listCuePoints(): Array<object>;
 
-    /**
-     * Update the label of a cue point.
-     * @param {number} pointIndex The ID of the cue point.
-     * @param {string} label The new text for the label.
-     */
-    updateLabel(pointIndex: number, label: string): void;
+  /**
+   * Update the label of a cue point.
+   * @param {number} pointIndex The ID of the cue point.
+   * @param {string} label The new text for the label.
+   */
+  updateLabel(pointIndex: number, label: string): void;
 }

index.js

@@ -48,3 +48,2 @@ /*
  * @extends WavBuffer
- * @ignore
  */
@@ -293,2 +292,3 @@ export default class WaveFile extends WavBuffer {
       this.assure16Bit_();
+      /** @type {!Int16Array} */
       let output = new Int16Array(this.data.samples.length / 2);
@@ -328,2 +328,3 @@ unpackArrayTo(this.data.samples, this.dataType, output);
     this.assure16Bit_();
+    /** @type {!Int16Array} */
     let output = new Int16Array(this.data.samples.length / 2);
@@ -362,2 +363,3 @@ unpackArrayTo(this.data.samples, this.dataType, output);
     this.assure16Bit_();
+    /** @type {!Int16Array} */
     let output = new Int16Array(this.data.samples.length / 2);
@@ -837,3 +839,2 @@ unpackArrayTo(this.data.samples, this.dataType, output);
   updateDataType_() {
-    /** @type {!Object} */
     this.dataType = {
@@ -840,0 +841,0 @@ bits: ((parseInt(this.bitDepth, 10) - 1) | 7) + 1,

lib/make-wav-header.js

@@ -44,2 +44,3 @@ /*
   bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options) {
+  /** @type {!Object} */
   let header = {};
@@ -112,2 +113,3 @@ if (bitDepthCode == '4') {
   bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options) {
+  /** @type {!Object} */
   let header = createPCMHeader_(
@@ -142,2 +144,3 @@ bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options);
     bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options) {
+  /** @type {!Object} */
   let header = createPCMHeader_(
@@ -169,2 +172,3 @@ bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options);
     bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options) {
+  /** @type {!Object} */
   let header = createPCMHeader_(
@@ -171,0 +175,0 @@ bitDepthCode, numChannels, sampleRate, numBytes, samplesLength, options);

lib/riff-chunks.js

@@ -46,4 +46,6 @@ /*
     head_ = 0;
+    /** @type {string} */
     let chunkId = getChunkId_(buffer, 0);
     uInt32_.be = chunkId == 'RIFX';
+    /** @type {string} */
     let format = unpackString(buffer, 8, 12);
@@ -92,3 +94,5 @@ head_ += 4;
 function getSubChunksIndex_(buffer) {
+    /** @type {!Array<!Object>} */
     let chunks = [];
+    /** @type {number} */
     let i = head_;
@@ -111,2 +115,3 @@ while(i <= buffer.length - 8) {
 function getSubChunkIndex_(buffer, index) {
+    /** @type {!Object} */
     let chunk = {
@@ -121,2 +126,3 @@ chunkId: getChunkId_(buffer, index),
     } else {
+        /** @type {number} */
         let realChunkSize = chunk.chunkSize % 2 ?
@@ -123,0 +129,0 @@ chunk.chunkSize + 1 : chunk.chunkSize;

lib/wav-buffer-reader.js

@@ -33,2 +33,3 @@ /*
 
+/** @type {!BufferIO} */
 let io = new BufferIO();
@@ -47,3 +48,5 @@
   io.head_ = 0;
+  /** @type {!Object} */
   let uInt32_ = {bits: 32, be: false};
+  /** @type {!Object} */
   let uInt16_ = {bits: 16, be: false};
@@ -50,0 +53,0 @@ readRIFFChunk_(buffer, wav, uInt32_, uInt16_);

lib/wav-buffer-writer.js

@@ -122,3 +122,3 @@ /*
 function enforceBext_(wav) {
-  for (var prop in wav.bext) {
+  for (let prop in wav.bext) {
     if (wav.bext.hasOwnProperty(prop)) {
@@ -125,0 +125,0 @@ if (wav.bext[prop] && prop != 'timeReference') {

package.json

 {
   "name": "wavefile",
-  "version": "8.4.1",
+  "version": "8.4.2",
   "description": "Create, read and write wav files according to the specs.",
@@ -74,3 +74,3 @@ "homepage": "https://github.com/rochars/wavefile",
     "test-dist": "npm run test-umd && npm run test-esm && npm run test-tsc && npm run test-cli && npm run test-cjs && npm run test-min",
-    "rollup-bundle": "rollup --config && npm run test-dist",
+    "rollup-bundle": "rollup -c && npm run test-dist",
     "doc": "./node_modules/.bin/jsdoc index.js -d docs -r README.md -t node_modules/docdash",
@@ -87,2 +87,3 @@ "build": "npm run lint && npm test && npm run rollup-bundle && npm run doc",
     "esm": "^3.0.74",
+    "google-closure-compiler": "^20180716.0.1",
     "jsdoc": "^3.5.5",
@@ -95,2 +96,3 @@ "jshint": "^2.9.6",
     "rollup-plugin-babel": "^3.0.7",
+    "rollup-plugin-closure-compiler-js": "^1.0.6",
     "rollup-plugin-commonjs": "^9.1.4",
@@ -106,5 +108,5 @@ "rollup-plugin-node-resolve": "^3.3.0",
     "bitdepth": "^7.0.2",
-    "byte-data": "^16.0.1",
+    "byte-data": "^16.0.2",
     "imaadpcm": "^4.0.1"
   }
 }

README.md

@@ -5,3 +5,3 @@ # wavefile
 
-[![NPM version](https://img.shields.io/npm/v/wavefile.svg?style=for-the-badge)](https://www.npmjs.com/package/wavefile) [![Docs](https://img.shields.io/badge/API-docs-blue.svg?style=for-the-badge)](https://rochars.github.io/wavefile/) [![Tests](https://img.shields.io/badge/tests-online-blue.svg?style=for-the-badge)](https://rawgit.com/rochars/wavefile/master/test/browser.html)  
+[![NPM version](https://img.shields.io/npm/v/wavefile.svg?style=for-the-badge)](https://www.npmjs.com/package/wavefile) [![Docs](https://img.shields.io/badge/API-docs-blue.svg?style=for-the-badge)](https://rochars.github.io/wavefile/docs) [![Tests](https://img.shields.io/badge/tests-online-blue.svg?style=for-the-badge)](https://rochars.github.io/wavefile/test/browser.html)  
 [![Codecov](https://img.shields.io/codecov/c/github/rochars/wavefile.svg?style=flat-square)](https://codecov.io/gh/rochars/wavefile) [![Unix Build](https://img.shields.io/travis/rochars/wavefile.svg?style=flat-square)](https://travis-ci.org/rochars/wavefile) [![Windows Build](https://img.shields.io/appveyor/ci/rochars/wavefile.svg?style=flat-square&logo=appveyor)](https://ci.appveyor.com/project/rochars/wavefile) [![Scrutinizer](https://img.shields.io/scrutinizer/g/rochars/wavefile.svg?style=flat-square&logo=scrutinizer)](https://scrutinizer-ci.com/g/rochars/wavefile/) [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1880/badge)](https://bestpractices.coreinfrastructure.org/projects/1880)
@@ -44,3 +44,3 @@
 ### Node
-If you installed via [NPM](https://www.npmjs.com/) or [Yarn](https://yarnpkg.com), **import WaveFile from wavefile**:
+**import WaveFile from wavefile**:
 ```javascript
@@ -51,3 +51,3 @@ import WaveFile from 'wavefile';
 
-Or:
+Or **require**:
 ```javascript
@@ -144,3 +144,2 @@ const WaveFile = require('wavefile');
 - [Use](#use)
-- [Example](#example)
 - [Operation Manual](#operation-manual)
@@ -147,0 +146,0 @@ * [Create wave files from scratch](#create-wave-files-from-scratch)

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Found 1 instance in 1 package

Fixed alerts

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

521534

increased by0.3%

Lines of code

12146

increased by0.26%

Worsened metrics

Dev dependency count

20

increased by11.11%

Number of lines in readme file

959

decreased by-0.1%

Dependency changes

• Updatedbyte-data@^16.0.2