wavefile - npm Package Compare versions

Comparing version 10.4.3 to 11.0.0

bin/wavefile.js

 #!/usr/bin/env node
+/*
+ * Copyright (c) 2017-2019 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.
+ *
+ */
 
@@ -14,2 +37,3 @@ /**
 " Copyright (c) 2017-2018 Rafael da Silva Rocha.\n";
+
 /** @type {string} */
@@ -22,2 +46,8 @@ const help = " Usage:\n" +
   "\n" +
+  "  --resample   Ex: wavefile input.wav --resample=16000 output.wav\n" +
+  "               Change the sample rate. The input file is not affected\n" +
+  "               Use with --method to change the interpolation method:\n" +
+  "               Ex: wavefile in.wav --resample=8000 --method=sinc out.wav\n" +
+  "               If --method is ommited, cubic interpolation will be used.\n" +
+  "\n" +
   "  --bitdepth   Ex: wavefile input.wav --bitdepth=32f output.wav\n" +
@@ -53,3 +83,4 @@ "               Change the bit depth.\n" +
 // Help
-if (process.argv[2] == '-h' || process.argv[2] == '--help' || process.argv.length < 4) {
+if (process.argv[2] == '-h' ||
+    process.argv[2] == '--help' || process.argv.length < 4) {
   console.log(presentation);
@@ -60,12 +91,16 @@ console.log(help);
 
-// Anything that is not a arg will be considered a file reference;
-// the first item in the list will be considered the input, all
-// others will be output
-/** @type {Array<string>} */
+/**
+ * Anything that is not a command will be considered a file reference;
+ * the first item in the list will be considered the input, all
+ * others will be considered output.
+ * @type {!Array<string>}
+ */
 let files = [];
 
-// Anything that is not a file will be considered a command;
-// All commands should be executed against the input file
-/** @type {Array<string>} */
-let commands = [];
+/**
+ * Anything that is not a file will be considered a command;
+ * All commands should be executed against the input file.
+ * @type {Object}
+ */
+let commands = {};
 
@@ -75,3 +110,3 @@ // parse args
   if (process.argv[arg].slice(0, 1) == '-') {
-    commands.push(process.argv[arg]);
+    commands[process.argv[arg].split("=")[0]] = process.argv[arg].split("=")[1];
   } else {
@@ -92,15 +127,22 @@ files.push(process.argv[arg]);
   // --bitdepth
-  let splitCommand = commands[command].split("=");
-  if (splitCommand[0] == '--bitdepth') {
-    wav.toBitDepth(splitCommand[1]);
+  if (command == '--bitdepth') {
+    wav.toBitDepth(commands[command]);
     shouldWrite = true;
+  // --resample
+  } else if (command == '--resample') {
+    /** @type {!Object} */
+    let options = {
+      'method' : commands['--method'] ? commands['--method'] : 'cubic'
+    };
+    wav.toSampleRate(parseInt(commands[command], 10), options);
+    shouldWrite = true;
   // --compress
-  } else if (splitCommand[0] == '--compress') {
-    if (splitCommand[1] == 'adpcm') {
+  } else if (command == '--compress') {
+    if (commands[command] == 'adpcm') {
       wav.toIMAADPCM();
       shouldWrite = true;
-    } else if (splitCommand[1] == 'alaw') {
+    } else if (commands[command] == 'alaw') {
       wav.toALaw();
       shouldWrite = true;
-    } else if (splitCommand[1] == 'mulaw') {
+    } else if (commands[command] == 'mulaw') {
       wav.toMuLaw();
@@ -110,17 +152,18 @@ shouldWrite = true;
   // --tag
-  } else if (splitCommand[0] == '--tag') {
-    console.log(wav.getTag(splitCommand[1]));
+  } else if (command == '--tag') {
+    console.log(wav.getTag(commands[command]));
   // --list-tag
-  } else if (splitCommand[0] == '--list-tags') {
+  } else if (command == '--list-tags') {
+    /** @type {!Object} */
     tags = wav.listTags();
     for (var tag in tags) {
-          if (tags.hasOwnProperty(tag)) {
-             console.log(tag + ': ' + tags[tag]);
-          }
+      if (tags.hasOwnProperty(tag)) {
+         console.log(tag + ': ' + tags[tag]);
       }
+    }
   // --list-cue
-  } else if (splitCommand[0] == '--list-cue') {
+  } else if (command == '--list-cue') {
     console.log(wav.listCuePoints());
   // --bits
-  } else if (splitCommand[0] == '--bits') {
+  } else if (command == '--bits') {
     if (wav.fmt.validBitsPerSample) {
@@ -132,12 +175,15 @@ console.log(wav.fmt.validBitsPerSample);
   // --rate
-  } else if (splitCommand[0] == '--rate') {
+  } else if (command == '--rate') {
     console.log(wav.fmt.sampleRate);
   // error
   } else {
-    console.log('ERROR: Bad option. Run wavefile -h to check the available options.');
-    process.exit();
+    if (!(command === '--method' && commands['--resample'])) {
+      console.log('ERROR: Bad option. Run wavefile -h to check the available'+
+        ' options.');
+      process.exit();
+    }
   }
 }
 
-// Write the output
+// Write the output file
 if (shouldWrite) {
@@ -144,0 +190,0 @@ if (files.length) {

CHANGELOG.md

 # CHANGELOG
 
+## version 11.0.0 - 2020-01-30
+
+### API changes
+- clamp int samples on overflow instead of throwing RangeError
+
+### Other changes
+- Zero dependencies
+
+
 ## version 10.4.3 - 2020-01-27
@@ -4,0 +13,0 @@ - Fix: large files RIFF/RIFX conversion

dist/wavefile.js

@@ -1,87 +0,84 @@
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-u.prototype.T=function(){var a=new u;Object.assign(this.fmt,a.fmt);Object.assign(this.fact,a.fact);Object.assign(this.cue,a.cue);Object.assign(this.smpl,a.smpl);Object.assign(this.bext,a.bext);Object.assign(this.iXML,a.iXML);Object.assign(this.ds64,a.ds64);Object.assign(this.data,a.data);this.LIST=[];Object.assign(this.junk,a.junk);Object.assign(this._PMX,a._PMX)};u.prototype.ib=function(a){var b=this.l("fmt ");if(b)this.c=b.chunkData.start,this.fmt.chunkId=b.chunkId,this.fmt.chunkSize=b.chunkSize,
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-this.h),A(this.bext.UMID,64),h(this.bext.loudnessValue,this.h),h(this.bext.loudnessRange,this.h),h(this.bext.maxTruePeakLevel,this.h),h(this.bext.maxMomentaryLoudness,this.h),h(this.bext.maxShortTermLoudness,this.h),A(this.bext.reserved,180),A(this.bext.codingHistory,this.bext.codingHistory.length)));this.i(a);return a};r.prototype.Ba=function(){for(var a in this.bext)if(this.bext.hasOwnProperty(a)&&this.bext[a]&&"timeReference"!=a){this.bext.chunkId="bext";break}if(this.bext.timeReference[0]||this.bext.timeReference[1])this.bext.chunkId=
-"bext"};r.prototype.ab=function(){var a=[];if(this.iXML.chunkId){var b=x(this.iXML.value);this.iXML.chunkSize=b.length;a=a.concat(x(this.iXML.chunkId),h(this.iXML.chunkSize,this.a),b)}this.i(a);return a};r.prototype.Na=function(){var a=[];this.ds64.chunkId&&(a=a.concat(x(this.ds64.chunkId),h(this.ds64.chunkSize,this.a),h(this.ds64.riffSizeHigh,this.a),h(this.ds64.riffSizeLow,this.a),h(this.ds64.dataSizeHigh,this.a),h(this.ds64.dataSizeLow,this.a),h(this.ds64.originationTime,this.a),h(this.ds64.sampleCountHigh,
-this.a),h(this.ds64.sampleCountLow,this.a)));this.i(a);return a};r.prototype.Fa=function(){var a=[];if(this.cue.chunkId){var b=this.Ia();a=a.concat(x(this.cue.chunkId),h(b.length+4,this.a),h(this.cue.dwCuePoints,this.a),b)}this.i(a);return a};r.prototype.Ia=function(){for(var a=[],b=0;b<this.cue.dwCuePoints;b++)a=a.concat(h(this.cue.points[b].dwName,this.a),h(this.cue.points[b].dwPosition,this.a),x(this.cue.points[b].fccChunk),h(this.cue.points[b].dwChunkStart,this.a),h(this.cue.points[b].dwBlockStart,
-this.a),h(this.cue.points[b].dwSampleOffset,this.a));return a};r.prototype.Xa=function(){var a=[];if(this.smpl.chunkId){var b=this.Ya();a=a.concat(x(this.smpl.chunkId),h(b.length+36,this.a),h(this.smpl.dwManufacturer,this.a),h(this.smpl.dwProduct,this.a),h(this.smpl.dwSamplePeriod,this.a),h(this.smpl.dwMIDIUnityNote,this.a),h(this.smpl.dwMIDIPitchFraction,this.a),h(this.smpl.dwSMPTEFormat,this.a),h(this.smpl.dwSMPTEOffset,this.a),h(this.smpl.dwNumSampleLoops,this.a),h(this.smpl.dwSamplerData,this.a),
-b)}this.i(a);return a};r.prototype.Ya=function(){for(var a=[],b=0;b<this.smpl.dwNumSampleLoops;b++)a=a.concat(h(this.smpl.loops[b].dwName,this.a),h(this.smpl.loops[b].dwType,this.a),h(this.smpl.loops[b].dwStart,this.a),h(this.smpl.loops[b].dwEnd,this.a),h(this.smpl.loops[b].dwFraction,this.a),h(this.smpl.loops[b].dwPlayCount,this.a));return a};r.prototype.Oa=function(){var a=[];this.fact.chunkId&&(a=a.concat(x(this.fact.chunkId),h(this.fact.chunkSize,this.a),h(this.fact.dwSampleLength,this.a)));this.i(a);
-return a};r.prototype.Pa=function(){var a=[];if(this.fmt.chunkId)return a=a.concat(x(this.fmt.chunkId),h(this.fmt.chunkSize,this.a),h(this.fmt.audioFormat,this.h),h(this.fmt.numChannels,this.h),h(this.fmt.sampleRate,this.a),h(this.fmt.byteRate,this.a),h(this.fmt.blockAlign,this.h),h(this.fmt.bitsPerSample,this.h),this.Qa()),this.i(a),a;throw Error('Could not find the "fmt " chunk');};r.prototype.Qa=function(){var a=[];16<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.cbSize,this.h)));18<this.fmt.chunkSize&&
-(a=a.concat(h(this.fmt.validBitsPerSample,this.h)));20<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.dwChannelMask,this.a)));24<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.subformat[0],this.a),h(this.fmt.subformat[1],this.a),h(this.fmt.subformat[2],this.a),h(this.fmt.subformat[3],this.a)));return a};r.prototype.Sa=function(){for(var a=[],b=0;b<this.LIST.length;b++){var c=this.Ua(this.LIST[b].subChunks,this.LIST[b].format);a=a.concat(x(this.LIST[b].chunkId),h(c.length+4,this.a),x(this.LIST[b].format),
-c)}this.i(a);return a};r.prototype.Ua=function(a,b){for(var c=[],d=0,e=a.length;d<e;d++)"INFO"==b?c=c.concat(this.Ta(a[d])):"adtl"==b&&(c=c.concat(this.Va(a[d]))),this.i(c);return c};r.prototype.Ta=function(a){var b=[],c=A(a.value,a.value.length);b=b.concat(x(a.chunkId),h(c.length+1,this.a),c);b.push(0);return b};r.prototype.Va=function(a){var b=[];if(-1<["labl","note"].indexOf(a.chunkId)){var c=A(a.value,a.value.length);b=b.concat(x(a.chunkId),h(c.length+5,this.a),h(a.dwName,this.a),c);b.push(0)}else"ltxt"==
-a.chunkId&&(b=b.concat(this.Wa(a)));return b};r.prototype.Wa=function(a){return x(a.chunkId).concat(h(a.value.length+20,this.a),h(a.dwName,this.a),h(a.dwSampleLength,this.a),h(a.dwPurposeID,this.a),h(a.dwCountry,this.h),h(a.dwLanguage,this.h),h(a.dwDialect,this.h),h(a.dwCodePage,this.h),A(a.value,a.value.length))};r.prototype.$a=function(){var a=[];if(this._PMX.chunkId){var b=x(this._PMX.value);this._PMX.chunkSize=b.length;a=a.concat(x(this._PMX.chunkId),h(this._PMX.chunkSize,this.a),b)}this.i(a);
-return a};r.prototype.Ra=function(){var a=[];if(this.junk.chunkId)return a.concat(x(this.junk.chunkId),h(this.junk.chunkData.length,this.a),this.junk.chunkData);this.i(a);return a};r.prototype.i=function(a){a.length%2&&a.push(0)};Q(t,r);t.prototype.fromScratch=function(a,b,c,d,e){e=void 0===e?{}:e;this.T();this.V(a,b,c,d,e)};t.prototype.fromBuffer=function(a,b){r.prototype.fromBuffer.call(this,a,void 0===b?!0:b);this.xa();this.Z()};t.prototype.toBuffer=function(){this.$();return r.prototype.toBuffer.call(this)};
-t.prototype.getSamples=function(a,b){a=void 0===a?!1:a;b=void 0===b?Float64Array:b;var c=new b(this.data.samples.length/(this.f.g/8));J(this.data.samples,this.f,c,0,this.data.samples.length,!1,!1);if(!a&&1<this.fmt.numChannels){var d=this.fmt.numChannels,e=b;e=void 0===e?Float64Array:e;for(var f=[],g=0;g<d;g++)f[g]=new e(c.length/d);for(e=0;e<d;e++){g=0;for(var k=e;k<c.length;k+=d)f[e][g++]=c[k]}c=f}return c};t.prototype.getSample=function(a){a*=this.f.g/8;if(a+this.f.g/8>this.data.samples.length)throw Error("Range error");
-return P(this.data.samples.slice(a,a+this.f.g/8),this.f,0,!1)};t.prototype.setSample=function(a,b){a*=this.f.g/8;if(a+this.f.g/8>this.data.samples.length)throw Error("Range error");Z(b,this.f,this.data.samples,a,!1)};t.prototype.getiXML=function(){return this.iXML.value};t.prototype.setiXML=function(a){if("string"!==typeof a)throw new TypeError("iXML value must be a string.");this.iXML.value=a;this.iXML.chunkId="iXML"};t.prototype.get_PMX=function(){return this._PMX.value};t.prototype.set_PMX=function(a){if("string"!==
-typeof a)throw new TypeError("_PMX value must be a string.");this._PMX.value=a;this._PMX.chunkId="_PMX"};t.prototype.V=function(a,b,c,d,e){e=void 0===e?{}:e;e.container||(e.container="RIFF");this.container=e.container;this.bitDepth=c;var f=[];if(0<d.length)if(d[0].constructor!==Number){f=new Float64Array(d[0].length*d.length);for(var g=0,k=0,q=d[0].length;k<q;k++)for(var z=0,Pa=d.length;z<Pa;z++)f[g]=d[z][k],g++}else f=d;d=f;this.Z();f=this.f.g/8;this.data.samples=new Uint8Array(d.length*f);ia(d,
-this.f,this.data.samples,0,!1);this.bb(c,a,b,f,this.data.samples.length,e);this.data.chunkId="data";this.data.chunkSize=this.data.samples.length;this.$()};t.prototype.bb=function(a,b,c,d,e,f){"4"==a?this.ya(a,b,c,d,e,f):"8a"==a||"8m"==a?this.za(a,b,c,d,e,f):-1==Object.keys(this.G).indexOf(a)||2<b?this.Aa(a,b,c,d,e,f):this.B(a,b,c,d,e,f)};t.prototype.B=function(a,b,c,d,e,f){this.container=f.container;this.chunkSize=36+e;this.format="WAVE";this.bitDepth=a;this.fmt={chunkId:"fmt ",chunkSize:16,audioFormat:this.G[a]||
-65534,numChannels:b,sampleRate:c,byteRate:b*d*c,blockAlign:b*d,bitsPerSample:parseInt(a,10),cbSize:0,validBitsPerSample:0,dwChannelMask:0,subformat:[]}};t.prototype.ya=function(a,b,c,d,e,f){this.B(a,b,c,d,e,f);this.chunkSize=40+e;this.fmt.chunkSize=20;this.fmt.byteRate=4055;this.fmt.blockAlign=256;this.fmt.bitsPerSample=4;this.fmt.cbSize=2;this.fmt.validBitsPerSample=505;this.fact={chunkId:"fact",chunkSize:4,dwSampleLength:2*e}};t.prototype.Aa=function(a,b,c,d,e,f){this.B(a,b,c,d,e,f);this.chunkSize=
-60+e;this.fmt.chunkSize=40;this.fmt.bitsPerSample=(parseInt(a,10)-1|7)+1;this.fmt.cbSize=22;this.fmt.validBitsPerSample=parseInt(a,10);a=this.fmt;c=0;1===b?c=4:2===b?c=3:4===b?c=51:6===b?c=63:8===b&&(c=1599);a.dwChannelMask=c;this.fmt.subformat=[1,1048576,2852126848,1905997824]};t.prototype.za=function(a,b,c,d,e,f){this.B(a,b,c,d,e,f);this.chunkSize=40+e;this.fmt.chunkSize=20;this.fmt.cbSize=2;this.fmt.validBitsPerSample=8;this.fact={chunkId:"fact",chunkSize:4,dwSampleLength:e}};t.prototype.xa=function(){3===
-this.fmt.audioFormat&&32===this.fmt.bitsPerSample?this.bitDepth="32f":6===this.fmt.audioFormat?this.bitDepth="8a":7===this.fmt.audioFormat?this.bitDepth="8m":this.bitDepth=this.fmt.bitsPerSample.toString()};t.prototype.va=function(){if(!(this.G[this.bitDepth]||8<parseInt(this.bitDepth,10)&&54>parseInt(this.bitDepth,10)))throw Error("Invalid bit depth.");};t.prototype.Z=function(){this.f={g:(parseInt(this.bitDepth,10)-1|7)+1,N:"32f"==this.bitDepth||"64"==this.bitDepth,F:"8"!=this.bitDepth,o:"RIFX"==
-this.container};-1<["4","8a","8m"].indexOf(this.bitDepth)&&(this.f.g=8,this.f.F=!1)};t.prototype.$=function(){this.va();var a=this.fmt.numChannels;if(1>a||65535<a*this.fmt.bitsPerSample/8)throw Error("Invalid number of channels.");a=this.fmt.sampleRate;if(1>a||4294967295<this.fmt.bitsPerSample/8*this.fmt.numChannels*a)throw Error("Invalid sample rate.");};Q(C,t);C.prototype.getTag=function(a){a=this.K(a);return null!==a.w?this.LIST[a.LIST].subChunks[a.w].value:null};C.prototype.setTag=function(a,
-b){var c=a;if(c.constructor!==String)throw Error("Invalid tag name.");if(4>c.length)for(var d=0,e=4-c.length;d<e;d++)c+=" ";a=c;c=this.K(a);null!==c.w?(this.LIST[c.LIST].subChunks[c.w].chunkSize=b.length+1,this.LIST[c.LIST].subChunks[c.w].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}))};
-C.prototype.deleteTag=function(a){a=this.K(a);return null!==a.w?(this.LIST[a.LIST].subChunks.splice(a.w,1),!0):!1};C.prototype.listTags=function(){var a=this.C("INFO"),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};C.prototype.C=function(a){for(var b=0,c=this.LIST.length;b<c;b++)if(this.LIST[b].format==a)return b;return null};C.prototype.K=function(a){for(var b={LIST:null,w: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.w=d;break}break}return b};Q(w,C);w.prototype.listCuePoints=function(){for(var a=this.J(),b=0,c=a.length;b<c;b++)a[b].position=a[b].dwSampleOffset/this.fmt.sampleRate*1E3,a[b].dwSampleLength?(a[b].end=a[b].dwSampleLength/this.fmt.sampleRate*1E3,a[b].end+=a[b].position):a[b].end=null,delete a[b].value;return a};w.prototype.setCuePoint=function(a){this.cue.chunkId=
-"cue ";a.label||(a.label="");var b=this.J();this.I();this.cue.points=[];a.dwSampleOffset=a.position*this.fmt.sampleRate/1E3;a.dwSampleLength=0;a.end&&(a.dwSampleLength=a.end*this.fmt.sampleRate/1E3-a.dwSampleOffset);0===b.length?this.v(a,1):this.qa(b,a);this.cue.dwCuePoints=this.cue.points.length};w.prototype.deleteCuePoint=function(a){this.cue.chunkId="cue ";var b=this.J();this.I();var c=this.cue.points.length;this.cue.points=[];for(var d=0;d<c;d++)d+1!==a&&this.v(b[d],d+1);this.cue.dwCuePoints=
-this.cue.points.length;this.cue.dwCuePoints?this.cue.chunkId="cue ":(this.cue.chunkId="",this.I())};w.prototype.updateLabel=function(a,b){var c=this.C("adtl");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)};w.prototype.J=function(){for(var a=[],b=0;b<this.cue.points.length;b++){var c=this.cue.points[b],d=this.Ma(c.dwName);d.label=d.value?d.value:"";d.dwPosition=c.dwPosition;d.fccChunk=c.fccChunk;d.dwChunkStart=
-c.dwChunkStart;d.dwBlockStart=c.dwBlockStart;d.dwSampleOffset=c.dwSampleOffset;a.push(d)}return a};w.prototype.Ma=function(a){var b=this.C("adtl"),c={};null!==b&&this.ga(c,b,a);return c};w.prototype.ga=function(a,b,c){for(var d=0,e=this.LIST[b].subChunks.length;d<e;d++)if(this.LIST[b].subChunks[d].dwName==c){var f=this.LIST[b].subChunks[d];a.value=f.value||a.value;a.dwName=f.dwName||0;a.dwSampleLength=f.dwSampleLength||0;a.dwPurposeID=f.dwPurposeID||0;a.dwCountry=f.dwCountry||0;a.dwLanguage=f.dwLanguage||
-0;a.dwDialect=f.dwDialect||0;a.dwCodePage=f.dwCodePage||0}};w.prototype.v=function(a,b){this.cue.points.push({dwName:b,dwPosition:a.dwPosition?a.dwPosition:0,fccChunk:a.fccChunk?a.fccChunk:"data",dwChunkStart:a.dwChunkStart?a.dwChunkStart:0,dwBlockStart:a.dwBlockStart?a.dwBlockStart:0,dwSampleOffset:a.dwSampleOffset});this.sa(a,b)};w.prototype.qa=function(a,b){for(var c=!1,d=0;d<a.length;d++)a[d].dwSampleOffset>b.dwSampleOffset&&!c?(this.v(b,d+1),this.v(a[d],d+2),c=!0):this.v(a[d],c?d+2:d+1);c||this.v(b,
-this.cue.points.length+1)};w.prototype.I=function(){for(var a=0,b=this.LIST.length;a<b;a++)"adtl"==this.LIST[a].format&&this.LIST.splice(a)};w.prototype.sa=function(a,b){var c=this.C("adtl");null===c&&(this.LIST.push({chunkId:"LIST",chunkSize:4,format:"adtl",subChunks:[]}),c=this.LIST.length-1);this.ra(c,a,b);a.dwSampleLength&&this.ta(c,a,b)};w.prototype.ra=function(a,b,c){this.LIST[a].subChunks.push({chunkId:"labl",chunkSize:4,dwName:c,value:b.label});this.LIST[a].chunkSize+=12};w.prototype.ta=function(a,
-b,c){this.LIST[a].subChunks.push({chunkId:"ltxt",chunkSize:20,dwName:c,dwSampleLength:b.dwSampleLength,dwPurposeID:b.dwPurposeID||0,dwCountry:b.dwCountry||0,dwLanguage:b.dwLanguage||0,dwDialect:b.dwDialect||0,dwCodePage:b.dwCodePage||0,value:b.label});this.LIST[a].chunkSize+=28};v.prototype.I=function(a,b){return this.f(Math.round(this.i*a),b)};v.prototype.H=function(a,b){a*=this.i;var c=Math.floor(a);a-=c;return(1-a)*this.f(c,b)+a*this.f(c+1,b)};v.prototype.C=function(a,b){a*=this.i;var c=Math.floor(a),
-d=[this.u(c,b),this.u(c+1,b)],e=[this.f(c,b),this.f(c+1,b)];a-=c;c=a*a;var f=a*c;return(2*f-3*c+1)*e[0]+(f-2*c+a)*d[0]+(-2*f+3*c)*e[1]+(f-c)*d[1]};v.prototype.J=function(a,b){a*=this.i;var c=Math.floor(a),d=c+this.B,e=0;for(c=c-this.B+1;c<=d;c++)e+=this.G(a-c)*this.f(c,b);return e};v.prototype.u=function(a,b){return this.K*(this.f(a+1,b)-this.f(a-1,b))/2};v.prototype.f=function(a,b){return 0<=a&&a<this.v?b[a]:b[this.m(a,this.v)]};y.prototype.filter=function(a){this.z.M[this.z.P]=a;for(var b=a=0,c=
-this.z.M.length;b<c;b++)a+=this.a[b]*this.z.M[(this.z.P+b)%this.z.M.length];this.z.P=(this.z.P+1)%this.z.M.length;return a};y.prototype.reset=function(){this.z=this.b()};y.prototype.b=function(){for(var a=[],b=0;b<this.a.length-1;b++)a.push(0);return{M:a,P:0}};p.prototype.filter=function(a){for(var b=0,c=this.a.length;b<c;b++)a=this.f(b,a);return a};p.prototype.b=function(a){var b={z:[0,0],D:[],A:[]};a=this.c(a,b);b.k=1;b.A.push((1-a.aa)/(2*a.L));b.A.push(2*b.A[0]);b.A.push(b.A[0]);return b};p.prototype.c=
-function(a,b){var c={},d=2*Math.PI*a.na/a.oa;c.alpha=Math.sin(d)/(2*a.Q);c.aa=Math.cos(d);c.L=1+c.alpha;b.L=c.L;b.D.push(-2*c.aa/c.L);b.k=1;b.D.push((1-c.alpha)/c.L);return c};p.prototype.f=function(a,b){var c=b*this.a[a].k-this.a[a].Ga*this.a[a].z[0]-this.a[a].Ha*this.a[a].z[1],d=this.a[a].Ja*c+this.a[a].Ka*this.a[a].z[0]+this.a[a].La*this.a[a].z[1];this.a[a].z[1]=this.a[a].z[0];this.a[a].z[0]=c;return d};p.prototype.reset=function(){for(var a=0;a<this.a.length;a++)this.a[a].z=[0,0]};var Na={point:!1,
-linear:!1,cubic:!0,sinc:!0},na={IIR:16,FIR:71},Oa={IIR:p,FIR:y};Q(l,w);l.prototype.toRIFF=function(){var a=new Float64Array(N(this.data.samples.length,this.f.g/8));J(this.data.samples,this.f,a,0,this.data.samples.length,!1,!1);this.m(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,a)};l.prototype.toRIFX=function(){var a=new Float64Array(N(this.data.samples.length,this.f.g/8));J(this.data.samples,this.f,a,0,this.data.samples.length,!1,!1);this.m(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,
-a,{container:"RIFX"})};l.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.H();var a=new Int16Array(N(this.data.samples.length,2));J(this.data.samples,this.f,a,0,this.data.samples.length,!1,!1);this.m(this.fmt.numChannels,this.fmt.sampleRate,"4",Da(a),{container:this.u()})};l.prototype.fromIMAADPCM=function(a){a=void 0===a?"16":
-a;this.m(this.fmt.numChannels,this.fmt.sampleRate,"16",Fa(this.data.samples,this.fmt.blockAlign),{container:this.u()});"16"!=a&&this.toBitDepth(a)};l.prototype.toALaw=function(){this.H();var a=new Int16Array(N(this.data.samples.length,2));J(this.data.samples,this.f,a,0,this.data.samples.length,!1,!1);this.m(this.fmt.numChannels,this.fmt.sampleRate,"8a",Ga(a),{container:this.u()})};l.prototype.fromALaw=function(a){a=void 0===a?"16":a;this.m(this.fmt.numChannels,this.fmt.sampleRate,"16",Ia(this.data.samples),
-{container:this.u()});"16"!=a&&this.toBitDepth(a)};l.prototype.toMuLaw=function(){this.H();var a=new Int16Array(N(this.data.samples.length,2));J(this.data.samples,this.f,a,0,this.data.samples.length,!1,!1);this.m(this.fmt.numChannels,this.fmt.sampleRate,"8m",Ja(a),{container:this.u()})};l.prototype.fromMuLaw=function(a){a=void 0===a?"16":a;this.m(this.fmt.numChannels,this.fmt.sampleRate,"16",La(this.data.samples),{container:this.u()});"16"!=a&&this.toBitDepth(a)};l.prototype.toBitDepth=function(a,
-b){var c=a,d=this.bitDepth;void 0===b||b||("32f"!=a&&(c=this.f.g.toString()),d=""+this.f.g);this.S();var e=this.getSamples(!0),f=new Float64Array(e.length),g=d;if(-1<["32f","64"].indexOf(g)&&-1<["32f","64"].indexOf(c))f.set(e);else{da(g);da(c);d=Ca(g,c);var k={ea:Math.pow(2,parseInt(g,10))/2,ca:Math.pow(2,parseInt(c,10))/2,da:Math.pow(2,parseInt(g,10))/2-1,ba:Math.pow(2,parseInt(c,10))/2-1};ea(g,e,!0);if(-1<["32f","64"].indexOf(g)){g=e.length;for(var q=0;q<g;q++)1<e[q]?e[q]=1:-1>e[q]&&(e[q]=-1)}for(g=
-0;g<e.length;g++)f[g]=d(e[g],k);ea(c,f,!1)}this.m(this.fmt.numChannels,this.fmt.sampleRate,a,f,{container:this.u()})};l.prototype.toSampleRate=function(a,b){b=void 0===b?{}:b;this.wa(a);var c=this.getSamples(),d=[];if(c.constructor===Float64Array)d=ma(c,this.fmt.sampleRate,a,b);else for(var e=0;e<c.length;e++)d.push(ma(c[e],this.fmt.sampleRate,a,b));if("64"!==this.bitDepth&&"32f"!==this.bitDepth)if(d[0].constructor===Number)la(d,this.f.g);else for(c=0;c<d.length;c++)la(d[c],this.f.g);this.m(this.fmt.numChannels,
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+b?(f=Math.pow(2,this.c-1),e=(1<<this.b)-1):0!==b&&(b>=Math.pow(2,1-this.a)?(2<=f/Math.pow(2,this.c)&&(e+=1,f=1),e>this.a?(e=(1<<this.b)-1,f=0):(e+=this.a,f=U(f)-Math.pow(2,this.c))):(f=U(b/Math.pow(2,1-this.a-this.c)),e=0));return this.l(a,c,d,e,f)};H.prototype.S=function(a,b){for(var c=(1<<this.b)-1,d="",e=this.offset-1;0<=e;e--){var f=a[e+b].toString(2);d+="00000000".substring(f.length)+f}e="1"==d.charAt(0)?-1:1;d=d.substring(1);f=parseInt(d.substring(0,this.b),2);d=d.substring(this.b);if(f==c)return 0!==
+parseInt(d,2)?NaN:Infinity*e;0===f?(f+=1,c=parseInt(d,2)):c=parseInt("1"+d,2);return e*c*this.j*Math.pow(2,f-this.a)};H.prototype.l=function(a,b,c,d,e){var f=[];f.push(c);for(c=this.b;0<c;--c)f[c]=d%2?1:0,d=Math.floor(d/2);d=f.length;for(c=this.c;0<c;--c)f[d+c]=e%2?1:0,e=Math.floor(e/2);e=f.join("");f=this.offset+b-1;for(d=b;f>=b;)a[f]=parseInt(e.substring(0,8),2),e=e.substring(8),f--,d++;return d};B.prototype.va=function(a){this.c=0;this.container=this.u(a,4);if(-1===this.Z.indexOf(this.container))throw Error("Not a supported format.");
+this.a.o="RIFX"===this.container;this.chunkSize=this.b(a);this.format=this.u(a,4);this.Y={chunkId:this.container,chunkSize:this.chunkSize,format:this.format,subChunks:this.V(a)}};B.prototype.s=function(a,b){b=void 0===b?!1:b;for(var c=this.Y.subChunks,d=[],e=0;e<c.length;e++)if(c[e].chunkId==a)if(b)d.push(c[e]);else return c[e];return"LIST"==a?d.length?d:null:null};B.prototype.u=function(a,b){var c=G(a,this.c,this.c+b);this.c+=b;return c};B.prototype.b=function(a){a=M(a,this.a,this.c);this.c+=4;return a};
+B.prototype.V=function(a){for(var b=[],c=this.c;c<=a.length-8;)b.push(this.$a(a,c)),c+=8+b[b.length-1].chunkSize,c=c%2?c+1:c;return b};B.prototype.$a=function(a,b){var c={chunkId:this.Ea(a,b),chunkSize:this.Fa(a,b)};"LIST"==c.chunkId?(c.format=G(a,b+8,b+12),this.c+=4,c.subChunks=this.V(a)):(this.c=b+8+(c.chunkSize%2?c.chunkSize+1:c.chunkSize),c.chunkData={start:b+8,end:this.c});return c};B.prototype.Ea=function(a,b){this.c+=4;return G(a,b,b+4)};B.prototype.Fa=function(a,b){this.c+=4;return M(a,this.a,
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+Object.assign(this.iXML,a.iXML);Object.assign(this.ds64,a.ds64);Object.assign(this.data,a.data);this.LIST=[];Object.assign(this.junk,a.junk);Object.assign(this._PMX,a._PMX)};u.prototype.jb=function(a){var b=this.s("fmt ");if(b)this.c=b.chunkData.start,this.fmt.chunkId=b.chunkId,this.fmt.chunkSize=b.chunkSize,this.fmt.audioFormat=this.j(a),this.fmt.numChannels=this.j(a),this.fmt.sampleRate=this.b(a),this.fmt.byteRate=this.b(a),this.fmt.blockAlign=this.j(a),this.fmt.bitsPerSample=this.j(a),this.kb(a);
+else throw Error('Could not find the "fmt " chunk');};u.prototype.kb=function(a){16<this.fmt.chunkSize&&(this.fmt.cbSize=this.j(a),18<this.fmt.chunkSize&&(this.fmt.validBitsPerSample=this.j(a),20<this.fmt.chunkSize&&(this.fmt.dwChannelMask=this.b(a),this.fmt.subformat=[this.b(a),this.b(a),this.b(a),this.b(a)])))};u.prototype.ib=function(a){var b=this.s("fact");b&&(this.c=b.chunkData.start,this.fact.chunkId=b.chunkId,this.fact.chunkSize=b.chunkSize,this.fact.dwSampleLength=this.b(a))};u.prototype.fb=
+function(a){var b=this.s("cue ");if(b)for(this.c=b.chunkData.start,this.cue.chunkId=b.chunkId,this.cue.chunkSize=b.chunkSize,this.cue.dwCuePoints=this.b(a),b=0;b<this.cue.dwCuePoints;b++)this.cue.points.push({dwName:this.b(a),dwPosition:this.b(a),fccChunk:this.u(a,4),dwChunkStart:this.b(a),dwBlockStart:this.b(a),dwSampleOffset:this.b(a)})};u.prototype.ma=function(a){var b=this.s("smpl");if(b)for(this.c=b.chunkData.start,this.smpl.chunkId=b.chunkId,this.smpl.chunkSize=b.chunkSize,this.smpl.dwManufacturer=
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+if(c)this.data.chunkId="data",this.data.chunkSize=c.chunkSize,b&&(this.data.samples=a.slice(c.chunkData.start,c.chunkData.end));else throw Error('Could not find the "data" chunk');};u.prototype.eb=function(a){var b=this.s("bext");b&&(this.c=b.chunkData.start,this.bext.chunkId=b.chunkId,this.bext.chunkSize=b.chunkSize,this.bext.description=this.u(a,256),this.bext.originator=this.u(a,32),this.bext.originatorReference=this.u(a,32),this.bext.originationDate=this.u(a,10),this.bext.originationTime=this.u(a,
+8),this.bext.timeReference=[this.b(a),this.b(a)],this.bext.version=this.j(a),this.bext.UMID=this.u(a,64),this.bext.loudnessValue=this.j(a),this.bext.loudnessRange=this.j(a),this.bext.maxTruePeakLevel=this.j(a),this.bext.maxMomentaryLoudness=this.j(a),this.bext.maxShortTermLoudness=this.j(a),this.bext.reserved=this.u(a,180),this.bext.codingHistory=this.u(a,this.bext.chunkSize-602))};u.prototype.qa=function(a){var b=this.s("iXML");b&&(this.c=b.chunkData.start,this.iXML.chunkId=b.chunkId,this.iXML.chunkSize=
+b.chunkSize,this.iXML.value=G(a,this.c,this.c+this.iXML.chunkSize))};u.prototype.hb=function(a){var b=this.s("ds64");if(b)this.c=b.chunkData.start,this.ds64.chunkId=b.chunkId,this.ds64.chunkSize=b.chunkSize,this.ds64.riffSizeHigh=this.b(a),this.ds64.riffSizeLow=this.b(a),this.ds64.dataSizeHigh=this.b(a),this.ds64.dataSizeLow=this.b(a),this.ds64.originationTime=this.b(a),this.ds64.sampleCountHigh=this.b(a),this.ds64.sampleCountLow=this.b(a);else if("RF64"==this.container)throw Error('Could not find the "ds64" chunk');
+};u.prototype.ia=function(a){var b=this.s("LIST",!0);if(null!==b)for(var c=0;c<b.length;c++){var d=b[c];this.LIST.push({chunkId:d.chunkId,chunkSize:d.chunkSize,format:d.format,subChunks:[]});for(var e=0;e<d.subChunks.length;e++)this.ka(d.subChunks[e],d.format,a)}};u.prototype.ka=function(a,b,c){"adtl"==b?-1<["labl","note","ltxt"].indexOf(a.chunkId)&&this.la(c,a):"INFO"==b&&this.ja(c,a)};u.prototype.la=function(a,b){this.c=b.chunkData.start;var c={chunkId:b.chunkId,chunkSize:b.chunkSize,dwName:this.b(a)};
+"ltxt"==b.chunkId?(c.dwSampleLength=this.b(a),c.dwPurposeID=this.b(a),c.dwCountry=this.j(a),c.dwLanguage=this.j(a),c.dwDialect=this.j(a),c.dwCodePage=this.j(a),c.value=""):c.value=this.X(a,this.c);this.LIST[this.LIST.length-1].subChunks.push(c)};u.prototype.ja=function(a,b){this.c=b.chunkData.start;this.LIST[this.LIST.length-1].subChunks.push({chunkId:b.chunkId,chunkSize:b.chunkSize,value:this.X(a,this.c)})};u.prototype.lb=function(a){var b=this.s("junk");b&&(this.junk={chunkId:b.chunkId,chunkSize:b.chunkSize,
+chunkData:[].slice.call(a.slice(b.chunkData.start,b.chunkData.end))})};u.prototype.na=function(a){var b=this.s("_PMX");b&&(this.c=b.chunkData.start,this._PMX.chunkId=b.chunkId,this._PMX.chunkSize=b.chunkSize,this._PMX.value=G(a,this.c,this.c+this._PMX.chunkSize))};u.prototype.X=function(a,b){for(var c=b=void 0===b?0:b;c<a.length&&(this.c++,0!==a[c]);c++);return G(a,b,this.c-1)};u.prototype.j=function(a){a=M(a,this.g,this.c);this.c+=2;return a};P(q,u);q.prototype.toBuffer=function(){this.g.o="RIFX"===
+this.container;this.a.o=this.g.o;for(var a=[this.Sa(),this.Oa(),this.Da(),this.bb(),this.Qa(),this.Pa(),x(this.data.chunkId),h(this.data.samples.length,this.a),this.data.samples,this.Ga(),this.Ya(),this.Ta(),this.ab()],b=0,c=0;c<a.length;c++)b+=a[c].length;c=new Uint8Array(b+12);var d=T(this.container,c,0);d=L([b+4],this.a,c,void 0===d?0:d);d=T(this.format,c,void 0===d?0:d);for(b=0;b<a.length;b++)c.set(a[b],d),d+=a[b].length;return c};q.prototype.Da=function(){var a=[];this.Ca();this.bext.chunkId&&
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+this.g),h(this.bext.maxMomentaryLoudness,this.g),h(this.bext.maxShortTermLoudness,this.g),A(this.bext.reserved,180),A(this.bext.codingHistory,this.bext.codingHistory.length)));this.l(a);return a};q.prototype.Ca=function(){for(var a in this.bext)if(this.bext.hasOwnProperty(a)&&this.bext[a]&&"timeReference"!=a){this.bext.chunkId="bext";break}if(this.bext.timeReference[0]||this.bext.timeReference[1])this.bext.chunkId="bext"};q.prototype.bb=function(){var a=[];if(this.iXML.chunkId){var b=x(this.iXML.value);
+this.iXML.chunkSize=b.length;a=a.concat(x(this.iXML.chunkId),h(this.iXML.chunkSize,this.a),b)}this.l(a);return a};q.prototype.Oa=function(){var a=[];this.ds64.chunkId&&(a=a.concat(x(this.ds64.chunkId),h(this.ds64.chunkSize,this.a),h(this.ds64.riffSizeHigh,this.a),h(this.ds64.riffSizeLow,this.a),h(this.ds64.dataSizeHigh,this.a),h(this.ds64.dataSizeLow,this.a),h(this.ds64.originationTime,this.a),h(this.ds64.sampleCountHigh,this.a),h(this.ds64.sampleCountLow,this.a)));this.l(a);return a};q.prototype.Ga=
+function(){var a=[];if(this.cue.chunkId){var b=this.Ja();a=a.concat(x(this.cue.chunkId),h(b.length+4,this.a),h(this.cue.dwCuePoints,this.a),b)}this.l(a);return a};q.prototype.Ja=function(){for(var a=[],b=0;b<this.cue.dwCuePoints;b++)a=a.concat(h(this.cue.points[b].dwName,this.a),h(this.cue.points[b].dwPosition,this.a),x(this.cue.points[b].fccChunk),h(this.cue.points[b].dwChunkStart,this.a),h(this.cue.points[b].dwBlockStart,this.a),h(this.cue.points[b].dwSampleOffset,this.a));return a};q.prototype.Ya=
+function(){var a=[];if(this.smpl.chunkId){var b=this.Za();a=a.concat(x(this.smpl.chunkId),h(b.length+36,this.a),h(this.smpl.dwManufacturer,this.a),h(this.smpl.dwProduct,this.a),h(this.smpl.dwSamplePeriod,this.a),h(this.smpl.dwMIDIUnityNote,this.a),h(this.smpl.dwMIDIPitchFraction,this.a),h(this.smpl.dwSMPTEFormat,this.a),h(this.smpl.dwSMPTEOffset,this.a),h(this.smpl.dwNumSampleLoops,this.a),h(this.smpl.dwSamplerData,this.a),b)}this.l(a);return a};q.prototype.Za=function(){for(var a=[],b=0;b<this.smpl.dwNumSampleLoops;b++)a=
+a.concat(h(this.smpl.loops[b].dwName,this.a),h(this.smpl.loops[b].dwType,this.a),h(this.smpl.loops[b].dwStart,this.a),h(this.smpl.loops[b].dwEnd,this.a),h(this.smpl.loops[b].dwFraction,this.a),h(this.smpl.loops[b].dwPlayCount,this.a));return a};q.prototype.Pa=function(){var a=[];this.fact.chunkId&&(a=a.concat(x(this.fact.chunkId),h(this.fact.chunkSize,this.a),h(this.fact.dwSampleLength,this.a)));this.l(a);return a};q.prototype.Qa=function(){var a=[];if(this.fmt.chunkId)return a=a.concat(x(this.fmt.chunkId),
+h(this.fmt.chunkSize,this.a),h(this.fmt.audioFormat,this.g),h(this.fmt.numChannels,this.g),h(this.fmt.sampleRate,this.a),h(this.fmt.byteRate,this.a),h(this.fmt.blockAlign,this.g),h(this.fmt.bitsPerSample,this.g),this.Ra()),this.l(a),a;throw Error('Could not find the "fmt " chunk');};q.prototype.Ra=function(){var a=[];16<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.cbSize,this.g)));18<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.validBitsPerSample,this.g)));20<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.dwChannelMask,
+this.a)));24<this.fmt.chunkSize&&(a=a.concat(h(this.fmt.subformat[0],this.a),h(this.fmt.subformat[1],this.a),h(this.fmt.subformat[2],this.a),h(this.fmt.subformat[3],this.a)));return a};q.prototype.Ta=function(){for(var a=[],b=0;b<this.LIST.length;b++){var c=this.Va(this.LIST[b].subChunks,this.LIST[b].format);a=a.concat(x(this.LIST[b].chunkId),h(c.length+4,this.a),x(this.LIST[b].format),c)}this.l(a);return a};q.prototype.Va=function(a,b){for(var c=[],d=0,e=a.length;d<e;d++)"INFO"==b?c=c.concat(this.Ua(a[d])):
+"adtl"==b&&(c=c.concat(this.Wa(a[d]))),this.l(c);return c};q.prototype.Ua=function(a){var b=[],c=A(a.value,a.value.length);b=b.concat(x(a.chunkId),h(c.length+1,this.a),c);b.push(0);return b};q.prototype.Wa=function(a){var b=[];if(-1<["labl","note"].indexOf(a.chunkId)){var c=A(a.value,a.value.length);b=b.concat(x(a.chunkId),h(c.length+5,this.a),h(a.dwName,this.a),c);b.push(0)}else"ltxt"==a.chunkId&&(b=b.concat(this.Xa(a)));return b};q.prototype.Xa=function(a){return x(a.chunkId).concat(h(a.value.length+
+20,this.a),h(a.dwName,this.a),h(a.dwSampleLength,this.a),h(a.dwPurposeID,this.a),h(a.dwCountry,this.g),h(a.dwLanguage,this.g),h(a.dwDialect,this.g),h(a.dwCodePage,this.g),A(a.value,a.value.length))};q.prototype.ab=function(){var a=[];if(this._PMX.chunkId){var b=x(this._PMX.value);this._PMX.chunkSize=b.length;a=a.concat(x(this._PMX.chunkId),h(this._PMX.chunkSize,this.a),b)}this.l(a);return a};q.prototype.Sa=function(){var a=[];if(this.junk.chunkId)return a.concat(x(this.junk.chunkId),h(this.junk.chunkData.length,
+this.a),this.junk.chunkData);this.l(a);return a};q.prototype.l=function(a){a.length%2&&a.push(0)};P(t,q);t.prototype.fromScratch=function(a,b,c,d,e){e=e||{};this.U();this.W(a,b,c,d,e)};t.prototype.fromBuffer=function(a,b){q.prototype.fromBuffer.call(this,a,void 0===b?!0:b);this.ya();this.$()};t.prototype.toBuffer=function(){this.aa();return q.prototype.toBuffer.call(this)};t.prototype.getSamples=function(a,b){a=void 0===a?!1:a;b=void 0===b?Float64Array:b;var c=new b(this.data.samples.length/(this.f.h/
+8));E(this.data.samples,this.f,c,0,this.data.samples.length);if(!a&&1<this.fmt.numChannels){var d=this.fmt.numChannels,e=b;e=void 0===e?Float64Array:e;for(var f=[],g=0;g<d;g++)f[g]=new e(c.length/d);for(e=0;e<d;e++){g=e;for(var k=0;g<c.length;g+=d,k++)f[e][k]=c[g]}c=f}return c};t.prototype.getSample=function(a){a*=this.f.h/8;if(a+this.f.h/8>this.data.samples.length)throw Error("Range error");return M(this.data.samples.slice(a,a+this.f.h/8),this.f)};t.prototype.setSample=function(a,b){a*=this.f.h/
+8;if(a+this.f.h/8>this.data.samples.length)throw Error("Range error");L([b],this.f,this.data.samples,void 0===a?0:a)};t.prototype.getiXML=function(){return this.iXML.value};t.prototype.setiXML=function(a){if("string"!==typeof a)throw new TypeError("iXML value must be a string.");this.iXML.value=a;this.iXML.chunkId="iXML"};t.prototype.get_PMX=function(){return this._PMX.value};t.prototype.set_PMX=function(a){if("string"!==typeof a)throw new TypeError("_PMX value must be a string.");this._PMX.value=
+a;this._PMX.chunkId="_PMX"};t.prototype.W=function(a,b,c,d,e){e.container||(e.container="RIFF");this.container=e.container;this.bitDepth=c;var f=[];if(0<d.length)if(d[0].constructor!==Number){f=new Float64Array(d[0].length*d.length);for(var g=0,k=d[0].length,r=0;g<k;g++)for(var z=0,I=d.length;z<I;z++,r++)f[r]=d[z][g]}else f=d;d=f;this.$();f=this.f.h/8;this.data.samples=new Uint8Array(d.length*f);L(d,this.f,this.data.samples,0);this.cb(c,a,b,f,this.data.samples.length,e);this.data.chunkId="data";this.data.chunkSize=
+this.data.samples.length;this.aa()};t.prototype.cb=function(a,b,c,d,e,f){"4"==a?this.za(a,b,c,d,e,f):"8a"==a||"8m"==a?this.Aa(a,b,c,d,e,f):-1==Object.keys(this.G).indexOf(a)||2<b?this.Ba(a,b,c,d,e,f):this.F(a,b,c,d,e,f)};t.prototype.F=function(a,b,c,d,e,f){this.container=f.container;this.chunkSize=36+e;this.format="WAVE";this.bitDepth=a;this.fmt={chunkId:"fmt ",chunkSize:16,audioFormat:this.G[a]||65534,numChannels:b,sampleRate:c,byteRate:b*d*c,blockAlign:b*d,bitsPerSample:parseInt(a,10),cbSize:0,
+validBitsPerSample:0,dwChannelMask:0,subformat:[]}};t.prototype.za=function(a,b,c,d,e,f){this.F(a,b,c,d,e,f);this.chunkSize=40+e;this.fmt.chunkSize=20;this.fmt.byteRate=4055;this.fmt.blockAlign=256;this.fmt.bitsPerSample=4;this.fmt.cbSize=2;this.fmt.validBitsPerSample=505;this.fact={chunkId:"fact",chunkSize:4,dwSampleLength:2*e}};t.prototype.Ba=function(a,b,c,d,e,f){this.F(a,b,c,d,e,f);this.chunkSize=60+e;this.fmt.chunkSize=40;this.fmt.bitsPerSample=(parseInt(a,10)-1|7)+1;this.fmt.cbSize=22;this.fmt.validBitsPerSample=
+parseInt(a,10);a=this.fmt;c=0;1===b?c=4:2===b?c=3:4===b?c=51:6===b?c=63:8===b&&(c=1599);a.dwChannelMask=c;this.fmt.subformat=[1,1048576,2852126848,1905997824]};t.prototype.Aa=function(a,b,c,d,e,f){this.F(a,b,c,d,e,f);this.chunkSize=40+e;this.fmt.chunkSize=20;this.fmt.cbSize=2;this.fmt.validBitsPerSample=8;this.fact={chunkId:"fact",chunkSize:4,dwSampleLength:e}};t.prototype.ya=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()};t.prototype.wa=function(){if(!(this.G[this.bitDepth]||8<parseInt(this.bitDepth,10)&&54>parseInt(this.bitDepth,10)))throw Error("Invalid bit depth.");};t.prototype.$=function(){this.f={h:(parseInt(this.bitDepth,10)-1|7)+1,R:"32f"==this.bitDepth||"64"==this.bitDepth,O:"8"!=this.bitDepth,o:"RIFX"==this.container};-1<["4","8a","8m"].indexOf(this.bitDepth)&&(this.f.h=8,this.f.O=!1)};t.prototype.aa=function(){this.wa();
+var a=this.fmt.numChannels;if(1>a||65535<a*this.fmt.bitsPerSample/8)throw Error("Invalid number of channels.");a=this.fmt.sampleRate;if(1>a||4294967295<this.fmt.bitsPerSample/8*this.fmt.numChannels*a)throw Error("Invalid sample rate.");};P(C,t);C.prototype.getTag=function(a){a=this.P(a);return null!==a.w?this.LIST[a.LIST].subChunks[a.w].value:null};C.prototype.setTag=function(a,b){var c=a;if(c.constructor!==String)throw Error("Invalid tag name.");if(4>c.length)for(var d=0,e=4-c.length;d<e;d++)c+=
+" ";a=c;c=this.P(a);null!==c.w?(this.LIST[c.LIST].subChunks[c.w].chunkSize=b.length+1,this.LIST[c.LIST].subChunks[c.w].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}))};C.prototype.deleteTag=function(a){a=this.P(a);return null!==a.w?(this.LIST[a.LIST].subChunks.splice(a.w,1),!0):!1};
+C.prototype.listTags=function(){var a=this.C("INFO"),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};C.prototype.C=function(a){for(var b=0,c=this.LIST.length;b<c;b++)if(this.LIST[b].format==a)return b;return null};C.prototype.P=function(a){for(var b={LIST:null,w: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.w=d;break}break}return b};P(w,C);w.prototype.listCuePoints=function(){for(var a=this.J(),b=0,c=a.length;b<c;b++)a[b].position=a[b].dwSampleOffset/this.fmt.sampleRate*1E3,a[b].dwSampleLength?(a[b].end=a[b].dwSampleLength/this.fmt.sampleRate*1E3,a[b].end+=a[b].position):a[b].end=null,delete a[b].value;return a};w.prototype.setCuePoint=function(a){this.cue.chunkId="cue ";a.label||(a.label="");var b=this.J();this.I();this.cue.points=[];a.dwSampleOffset=a.position*this.fmt.sampleRate/1E3;a.dwSampleLength=
+0;a.end&&(a.dwSampleLength=a.end*this.fmt.sampleRate/1E3-a.dwSampleOffset);0===b.length?this.B(a,1):this.ra(b,a);this.cue.dwCuePoints=this.cue.points.length};w.prototype.deleteCuePoint=function(a){this.cue.chunkId="cue ";var b=this.J();this.I();var c=this.cue.points.length;this.cue.points=[];for(var d=0;d<c;d++)d+1!==a&&this.B(b[d],d+1);this.cue.dwCuePoints=this.cue.points.length;this.cue.dwCuePoints?this.cue.chunkId="cue ":(this.cue.chunkId="",this.I())};w.prototype.updateLabel=function(a,b){var c=
+this.C("adtl");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)};w.prototype.J=function(){for(var a=[],b=0;b<this.cue.points.length;b++){var c=this.cue.points[b],d=this.Na(c.dwName);d.label=d.value?d.value:"";d.dwPosition=c.dwPosition;d.fccChunk=c.fccChunk;d.dwChunkStart=c.dwChunkStart;d.dwBlockStart=c.dwBlockStart;d.dwSampleOffset=c.dwSampleOffset;a.push(d)}return a};w.prototype.Na=function(a){var b=this.C("adtl"),
+c={};null!==b&&this.ha(c,b,a);return c};w.prototype.ha=function(a,b,c){for(var d=0,e=this.LIST[b].subChunks.length;d<e;d++)if(this.LIST[b].subChunks[d].dwName==c){var f=this.LIST[b].subChunks[d];a.value=f.value||a.value;a.dwName=f.dwName||0;a.dwSampleLength=f.dwSampleLength||0;a.dwPurposeID=f.dwPurposeID||0;a.dwCountry=f.dwCountry||0;a.dwLanguage=f.dwLanguage||0;a.dwDialect=f.dwDialect||0;a.dwCodePage=f.dwCodePage||0}};w.prototype.B=function(a,b){this.cue.points.push({dwName:b,dwPosition:a.dwPosition?
+a.dwPosition:0,fccChunk:a.fccChunk?a.fccChunk:"data",dwChunkStart:a.dwChunkStart?a.dwChunkStart:0,dwBlockStart:a.dwBlockStart?a.dwBlockStart:0,dwSampleOffset:a.dwSampleOffset});this.ta(a,b)};w.prototype.ra=function(a,b){for(var c=!1,d=0;d<a.length;d++)a[d].dwSampleOffset>b.dwSampleOffset&&!c?(this.B(b,d+1),this.B(a[d],d+2),c=!0):this.B(a[d],c?d+2:d+1);c||this.B(b,this.cue.points.length+1)};w.prototype.I=function(){for(var a=0,b=this.LIST.length;a<b;a++)"adtl"==this.LIST[a].format&&this.LIST.splice(a)};
+w.prototype.ta=function(a,b){var c=this.C("adtl");null===c&&(this.LIST.push({chunkId:"LIST",chunkSize:4,format:"adtl",subChunks:[]}),c=this.LIST.length-1);this.sa(c,a,b);a.dwSampleLength&&this.ua(c,a,b)};w.prototype.sa=function(a,b,c){this.LIST[a].subChunks.push({chunkId:"labl",chunkSize:4,dwName:c,value:b.label});this.LIST[a].chunkSize+=12};w.prototype.ua=function(a,b,c){this.LIST[a].subChunks.push({chunkId:"ltxt",chunkSize:20,dwName:c,dwSampleLength:b.dwSampleLength,dwPurposeID:b.dwPurposeID||0,
+dwCountry:b.dwCountry||0,dwLanguage:b.dwLanguage||0,dwDialect:b.dwDialect||0,dwCodePage:b.dwCodePage||0,value:b.label});this.LIST[a].chunkSize+=28};v.prototype.H=function(a,b){return this.f(Math.round(this.l*a),b)};v.prototype.G=function(a,b){a*=this.l;var c=Math.floor(a);a-=c;return(1-a)*this.f(c,b)+a*this.f(c+1,b)};v.prototype.B=function(a,b){a*=this.l;var c=Math.floor(a),d=[this.m(c,b),this.m(c+1,b)],e=[this.f(c,b),this.f(c+1,b)];a-=c;c=a*a;var f=a*c;return(2*f-3*c+1)*e[0]+(f-2*c+a)*d[0]+(-2*f+
+3*c)*e[1]+(f-c)*d[1]};v.prototype.I=function(a,b){a*=this.l;var c=Math.floor(a),d=c+this.v,e=0;for(c=c-this.v+1;c<=d;c++)e+=this.F(a-c)*this.f(c,b);return e};v.prototype.m=function(a,b){return this.J*(this.f(a+1,b)-this.f(a-1,b))/2};v.prototype.f=function(a,b){return 0<=a&&a<this.C?b[a]:0};y.prototype.filter=function(a){this.z.L[this.z.N]=a;for(var b=a=0,c=this.z.L.length;b<c;b++)a+=this.a[b]*this.z.L[(this.z.N+b)%this.z.L.length];this.z.N=(this.z.N+1)%this.z.L.length;return a};y.prototype.reset=
+function(){this.z=this.b()};y.prototype.b=function(){for(var a=[],b=0;b<this.a.length-1;b++)a.push(0);return{L:a,N:0}};p.prototype.filter=function(a){for(var b=0,c=this.a.length;b<c;b++)a=this.f(b,a);return a};p.prototype.b=function(a){var b={D:[],A:[]};a=this.c(a,b);b.k=1;b.A.push((1-a.ba)/(2*a.K));b.A.push(2*b.A[0]);b.A.push(b.A[0]);return b};p.prototype.c=function(a,b){var c={},d=2*Math.PI*a.oa/a.pa;c.alpha=Math.sin(d)/(2*a.Q);c.ba=Math.cos(d);c.K=1+c.alpha;b.K=c.K;b.D.push(-2*c.ba/c.K);b.k=1;
+b.D.push((1-c.alpha)/c.K);return c};p.prototype.f=function(a,b){var c=b*this.a[a].k-this.a[a].Ha*this.a[a].z[0]-this.a[a].Ia*this.a[a].z[1],d=this.a[a].Ka*c+this.a[a].La*this.a[a].z[0]+this.a[a].Ma*this.a[a].z[1];this.a[a].z[1]=this.a[a].z[0];this.a[a].z[0]=c;return d};p.prototype.reset=function(){for(var a=0;a<this.a.length;a++)this.a[a].z=[0,0]};var Ha={point:!1,linear:!1,cubic:!0,sinc:!0},ia={IIR:16,FIR:71},Ia={IIR:p,FIR:y};P(l,w);l.prototype.toRIFF=function(){var a=new Float64Array(J(this.data.samples.length,
+this.f.h/8));E(this.data.samples,this.f,a,0,this.data.samples.length);this.m(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,a,{container:"RIFF"})};l.prototype.toRIFX=function(){var a=new Float64Array(J(this.data.samples.length,this.f.h/8));E(this.data.samples,this.f,a,0,this.data.samples.length);this.m(this.fmt.numChannels,this.fmt.sampleRate,this.bitDepth,a,{container:"RIFX"})};l.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.H();var a=new Int16Array(J(this.data.samples.length,2));E(this.data.samples,this.f,a,0,this.data.samples.length);this.m(this.fmt.numChannels,this.fmt.sampleRate,"4",wa(a),{container:this.v()})};l.prototype.fromIMAADPCM=function(a){a=void 0===a?"16":a;this.m(this.fmt.numChannels,this.fmt.sampleRate,"16",ya(this.data.samples,this.fmt.blockAlign),{container:this.v()});"16"!=a&&this.toBitDepth(a)};l.prototype.toALaw=
+function(){this.H();var a=new Int16Array(J(this.data.samples.length,2));E(this.data.samples,this.f,a,0,this.data.samples.length);this.m(this.fmt.numChannels,this.fmt.sampleRate,"8a",Aa(a),{container:this.v()})};l.prototype.fromALaw=function(a){a=void 0===a?"16":a;this.m(this.fmt.numChannels,this.fmt.sampleRate,"16",Ca(this.data.samples),{container:this.v()});"16"!=a&&this.toBitDepth(a)};l.prototype.toMuLaw=function(){this.H();var a=new Int16Array(J(this.data.samples.length,2));E(this.data.samples,
+this.f,a,0,this.data.samples.length);this.m(this.fmt.numChannels,this.fmt.sampleRate,"8m",Da(a),{container:this.v()})};l.prototype.fromMuLaw=function(a){a=void 0===a?"16":a;this.m(this.fmt.numChannels,this.fmt.sampleRate,"16",Fa(this.data.samples),{container:this.v()});"16"!=a&&this.toBitDepth(a)};l.prototype.toBitDepth=function(a,b){var c=a,d=this.bitDepth;void 0===b||b||("32f"!=a&&(c=this.f.h.toString()),d=""+this.f.h);this.T();var e=this.getSamples(!0),f=new Float64Array(e.length),g=d;if(-1<["32f",
+"64"].indexOf(g)&&-1<["32f","64"].indexOf(c))f.set(e);else{X(g);X(c);d=va(g,c);var k={fa:Math.pow(2,parseInt(g,10))/2,da:Math.pow(2,parseInt(c,10))/2,ea:Math.pow(2,parseInt(g,10))/2-1,ca:Math.pow(2,parseInt(c,10))/2-1};Y(g,e,!0);g=0;for(var r=e.length;g<r;g++)f[g]=d(e[g],k);Y(c,f,!1)}this.m(this.fmt.numChannels,this.fmt.sampleRate,a,f,{container:this.v()})};l.prototype.toSampleRate=function(a,b){this.xa(a);var c=this.getSamples(),d=[];if(c.constructor===Float64Array)d=ha(c,this.fmt.sampleRate,a,b);
+else for(var e=0;e<c.length;e++)d.push(ha(c[e],this.fmt.sampleRate,a,b));this.m(this.fmt.numChannels,a,this.bitDepth,d,{container:this.v()})};l.prototype.xa=function(a){if(1>a||4294967295<this.fmt.bitsPerSample/8*this.fmt.numChannels*a)throw Error("Invalid sample rate.");if(-1<["4","8a","8m"].indexOf(this.bitDepth))throw Error("wavefile can't change the sample rate of compressed files.");};l.prototype.H=function(){this.T();"16"!=this.bitDepth&&this.toBitDepth("16")};l.prototype.T=function(){"8a"==
+this.bitDepth?this.fromALaw():"8m"==this.bitDepth?this.fromMuLaw():"4"==this.bitDepth&&this.fromIMAADPCM()};l.prototype.v=function(){return"RF64"==this.container?"RIFF":this.container};l.prototype.m=function(a,b,c,d,e){var f=new w;Object.assign(this.fmt,f.fmt);Object.assign(this.fact,f.fact);Object.assign(this.ds64,f.ds64);Object.assign(this.data,f.data);this.W(a,b,c,d,e)};P(m,l);m.prototype.fromBase64=function(a){this.fromBuffer(ra(a))};m.prototype.toBase64=function(){for(var a=this.toBuffer(),b=
+"",c=0;c<a.length;c+=3)b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[a[c]>>2],b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(a[c]&3)<<4|a[c+1]>>4],b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(a[c+1]&15)<<2|a[c+2]>>6],b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[a[c+2]&63];2===a.length%3?b=b.substring(0,b.length-1)+"=":1===a.length%3&&(b=b.substring(0,b.length-2)+"==");return b};m.prototype.toDataURI=
+function(){return"data:audio/wav;base64,"+this.toBase64()};m.prototype.fromDataURI=function(a){this.fromBase64(a.replace("data:audio/wav;base64,",""))};n.WaveFile=m;Object.defineProperty(n,"__esModule",{value:!0})}"object"===typeof exports&&"undefined"!==typeof module?W(exports):"function"===typeof define&&define.amd?define(["exports"],W):(V=V||self,W(V.wavefile={}));

externs/wavefile.js

@@ -26,3 +26,3 @@ /*
 /**
- * @fileoverview Externs for wavefile 10.4
+ * @fileoverview Externs for wavefile 11.0
  * @see https://github.com/rochars/wavefile
@@ -322,7 +322,6 @@ * @externs
  * Return the samples packed in a Float64Array.
- * @param {?boolean} interleaved True to return interleaved samples,
- *   false to return the samples de-interleaved. Defaults to false.
- * @param {?Function=} OutputObject The Typed Array object to write the
-   *   samples. Assumes Float64Array by default.
- * @return {!Float64Array|Array<Float64Array>} the samples.
+ * @param {boolean=} [interleaved=false] True to return interleaved samples,
+ *   false to return the samples de-interleaved.
+ * @param {Function=} [OutputObject=Float64Array] The sample container.
+ * @return {!(Array|TypedArray)} the samples.
  */
@@ -350,12 +349,13 @@ WaveFile.prototype.getSamples = function(
 /**
- * Set up the WaveFile object based on the arguments passed.
+ * Set up the WaveFileCreator object based on the arguments passed.
+ * Existing chunks are reset.
  * @param {number} numChannels The number of channels.
  * @param {number} sampleRate The sample rate.
- *      Integers like 8000, 44100, 48000, 96000, 192000.
+ *    Integers 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|!TypedArray} samples The samples.
- * @param {?Object} options Optional. Used to force the container
- *      as RIFX with {container: RIFX}
+ *    One of '4', '8', '8a', '8m', '16', '24', '32', '32f', '64'
+ *    or any value between '8' and '32' (like '12').
+ * @param {!(Array|TypedArray)} samples The samples.
+ * @param {Object=} options Optional. Used to force the container
+ *    as RIFX with {'container': 'RIFX'}
  * @throws {Error} If any argument does not meet the criteria.
@@ -368,16 +368,19 @@ */
 /**
- * Set up the WaveFile object from a byte buffer.
- * @param {!Uint8Array} bytes The buffer.
- * @param {boolean=} samples True if the samples should be loaded.
+ * Set up the WaveFileParser object from a byte buffer.
+ * @param {!Uint8Array} wavBuffer The buffer.
+ * @param {boolean=} [samples=true] 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.
+ * @throws {Error} If format is not WAVE.
+ * @throws {Error} If no 'fmt ' chunk is found.
+ * @throws {Error} If no 'data' chunk is found.
  */
-WaveFile.prototype.fromBuffer = function(bytes, samples=true) {};
+WaveFile.prototype.fromBuffer = function(wavBuffer, samples=true) {};
 
 /**
- * Return a byte buffer representig the WaveFile object as a .wav file.
+ * Return a byte buffer representig the WaveFileParser 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.
+ * @return {!Uint8Array} A wav file.
+ * @throws {Error} If bit depth is invalid.
+ * @throws {Error} If the number of channels is invalid.
+ * @throws {Error} If the sample rate is invalid.
  */
@@ -428,5 +431,5 @@ WaveFile.prototype.toBuffer = function() {};
  * @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.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats)
+ * @param {boolean=} [changeResolution=true] A boolean indicating if the
+ *    resolution of samples should be actually changed or not.
  * @throws {Error} If the bit depth is not valid.
@@ -437,8 +440,8 @@ */
 /**
- * Convert the sample rate of the audio.
+ * Convert the sample rate of the file.
  * @param {number} sampleRate The target sample rate.
- * @param {?Object} details The extra configuration, if needed.
+ * @param {Object=} options The extra configuration, if needed.
  */
 WaveFile.prototype.toSampleRate = function(
-  sampleRate, details= {
+  sampleRate, options= {
     method: 'cubic',
@@ -463,5 +466,4 @@ clip: 'mirror',
  * 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.
+ * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats).
  */
@@ -477,5 +479,4 @@ WaveFile.prototype.fromIMAADPCM = function(bitDepthCode='16') {};
  * 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.
+ * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats).
  */
@@ -491,5 +492,4 @@ WaveFile.prototype.fromALaw = function(bitDepthCode='16') {};
  * 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.
+ * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats).
  */
@@ -496,0 +496,0 @@ WaveFile.prototype.fromMuLaw = function(bitDepthCode='16') {};

index.d.ts

@@ -1,2 +0,2 @@
-// Type definitions for wavefile 10.4
+// Type definitions for wavefile 11.0
 // Project: https://github.com/rochars/wavefile
@@ -11,10 +11,2 @@ // Definitions by: Rafael da Silva Rocha <https://github.com/rochars>
   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);
 
@@ -107,8 +99,15 @@ /**
     /**
+     * @param {Uint8Array=} [wavBuffer=null] 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(wavBuffer?: Uint8Array);
+
+    /**
      * Return the samples packed in a Float64Array.
-     * @param {?boolean} interleaved True to return interleaved samples,
-     *   false to return the samples de-interleaved. Defaults to false.
-     * @param {?Function=} OutputObject The Typed Array object to write the
-     *   samples. Assumes Float64Array by default.
-     * @return {!Float64Array|Array<Float64Array>} the samples.
+     * @param {boolean=} [interleaved=false] True to return interleaved samples,
+     *   false to return the samples de-interleaved.
+     * @param {Function=} [OutputObject=Float64Array] The sample container.
+     * @return {!(Array|TypedArray)} the samples.
      */
@@ -134,12 +133,13 @@ getSamples(interleaved?:boolean, OutputObject?: Function): Float64Array;
     /**
-     * Set up the WaveFile object based on the arguments passed.
+     * Set up the WaveFileCreator object based on the arguments passed.
+     * Existing chunks are reset.
      * @param {number} numChannels The number of channels.
      * @param {number} sampleRate The sample rate.
-     *  Integer numbers like 8000, 44100, 48000, 96000, 192000.
+     *    Integers 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|!TypedArray} samples
-     * @param {?Object} options Optional. Used to force the container
-     *  as RIFX with {'container': 'RIFX'}
+     *    One of '4', '8', '8a', '8m', '16', '24', '32', '32f', '64'
+     *    or any value between '8' and '32' (like '12').
+     * @param {!(Array|TypedArray)} samples The samples.
+     * @param {Object=} options Optional. Used to force the container
+     *    as RIFX with {'container': 'RIFX'}
      * @throws {Error} If any argument does not meet the criteria.
@@ -155,6 +155,7 @@ */
     /**
-     * Set up the WaveFile object from a byte buffer.
-     * @param {!Uint8Array} bytes The buffer.
-     * @param {boolean=} samples True if the samples should be loaded.
+     * Set up the WaveFileParser object from a byte buffer.
+     * @param {!Uint8Array} wavBuffer The buffer.
+     * @param {boolean=} [samples=true] True if the samples should be loaded.
      * @throws {Error} If container is not RIFF, RIFX or RF64.
+     * @throws {Error} If format is not WAVE.
      * @throws {Error} If no 'fmt ' chunk is found.
@@ -166,6 +167,8 @@ * @throws {Error} If no 'data' chunk is found.
     /**
-     * Return a byte buffer representig the WaveFile object as a .wav file.
+     * Return a byte buffer representig the WaveFileParser 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.
+     * @return {!Uint8Array} A wav file.
+     * @throws {Error} If bit depth is invalid.
+     * @throws {Error} If the number of channels is invalid.
+     * @throws {Error} If the sample rate is invalid.
      */
@@ -216,5 +219,5 @@ toBuffer(): Uint8Array;
      * @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.
+     *    One of '8' ... '32' (integers), '32f' or '64' (floats)
+     * @param {boolean=} [changeResolution=true] A boolean indicating if the
+     *    resolution of samples should be actually changed or not.
      * @throws {Error} If the bit depth is not valid.
@@ -225,7 +228,7 @@ */
     /**
-     * Convert the sample rate of the audio.
+     * Convert the sample rate of the file.
      * @param {number} sampleRate The target sample rate.
-     * @param {?Object} details The extra configuration, if needed.
+     * @param {Object=} options The extra configuration, if needed.
      */
-    toSampleRate(samples: number, details?:object): void;
+    toSampleRate(samples: number, options?:object): void;
 
@@ -241,5 +244,4 @@ /**
      * Decode a 4-bit IMA ADPCM wave file as a 16-bit wave file.
-     * @param {string} bitDepthCode The new bit depth of the samples.
+     * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
      *  One of '8' ... '32' (integers), '32f' or '64' (floats).
-     *  Optional. Default is 16.
      */
@@ -255,5 +257,4 @@ fromIMAADPCM(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.
+     * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
      *  One of '8' ... '32' (integers), '32f' or '64' (floats).
-     *  Optional. Default is 16.
      */
@@ -269,5 +270,4 @@ fromALaw(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.
+     * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
      *  One of '8' ... '32' (integers), '32f' or '64' (floats).
-     *  Optional. Default is 16.
      */
@@ -274,0 +274,0 @@ fromMuLaw(bitDepthCode?: string): void;

index.js

@@ -42,3 +42,3 @@ /*
   /**
-   * @param {?Uint8Array=} wavBuffer A wave file buffer.
+   * @param {Uint8Array=} wav A wave file buffer.
    * @throws {Error} If container is not RIFF, RIFX or RF64.
@@ -49,6 +49,6 @@ * @throws {Error} If format is not WAVE.
    */
-  constructor(wavBuffer=null) {
+  constructor(wav) {
     super();
-    if (wavBuffer) {
-      this.fromBuffer(wavBuffer);
+    if (wav) {
+      this.fromBuffer(wav);
     }
@@ -63,3 +63,3 @@ }
   fromBase64(base64String) {
-    this.fromBuffer(new Uint8Array(decode(base64String)));
+    this.fromBuffer(decode(base64String));
   }
@@ -66,0 +66,0 @@

lib/parsers/base64-arraybuffer.js

@@ -34,2 +34,3 @@ /*
 export function encode(bytes) {
+  /** @type {string} */
   let base64 = '';
@@ -53,5 +54,6 @@ for (let i = 0; i < bytes.length; i += 3) {
  * @param {string} base64 A .wav file as a DataURI.
- * @return {ArrayBuffer} A .wav file as a DataURI.
+ * @return {!Uint8Array} A .wav file as a DataURI.
  */
 export function decode(base64) {
+  /** @type {!Uint8Array} */
   let lookup = new Uint8Array(256);
@@ -61,2 +63,3 @@ for (let i = 0; i < chars.length; i++) {
   }
+  /** @type {number} */
   let bufferLength = base64.length * 0.75;
@@ -69,8 +72,12 @@ if (base64[base64.length - 1] === '=') {
   }
-  let buffer = new ArrayBuffer(bufferLength);
-  let bytes = new Uint8Array(buffer);
+  /** @type {!Uint8Array} */
+  let bytes = new Uint8Array(bufferLength);
   for (let i = 0, j = 0; i < base64.length; i += 4) {
+    /** @type {number} */
     let encoded1 = lookup[base64.charCodeAt(i)];
+    /** @type {number} */
     let encoded2 = lookup[base64.charCodeAt(i + 1)];
+    /** @type {number} */
     let encoded3 = lookup[base64.charCodeAt(i + 2)];
+    /** @type {number} */
     let encoded4 = lookup[base64.charCodeAt(i + 3)];
@@ -81,3 +88,3 @@ bytes[j++] = encoded1 << 2 | encoded2 >> 4;
   }
-  return buffer;
+  return bytes;
 }

lib/parsers/interleave.js

@@ -32,7 +32,7 @@ /*
  * Interleave de-interleaved samples.
- * @param {!Array|!TypedArray} samples The samples.
- * @return {!Array|!TypedArray}
+ * @param {!(Array|TypedArray)} samples The samples.
+ * @return {!(Array|TypedArray)}
  */
 export function interleave(samples) {
-  /** @type {!Array|!TypedArray} */
+  /** @type {!(Array|TypedArray)} */
   let finalSamples = [];
@@ -42,7 +42,5 @@ if (samples.length > 0) {
       finalSamples = new Float64Array(samples[0].length * samples.length);
-      let x = 0;
-      for (let i = 0, len = samples[0].length; i < len; i++) {
-        for (let j = 0, subLen = samples.length; j < subLen; j++) {
+      for (let i = 0, len = samples[0].length, x = 0; i < len; i++) {
+        for (let j = 0, subLen = samples.length; j < subLen; j++, x++) {
           finalSamples[x] = samples[j][i];
-          x++;
         }
@@ -59,10 +57,10 @@ }
  * De-interleave samples into multiple channels.
- * @param {!Array|TypedArray} samples The samples.
+ * @param {!(Array|TypedArray)} samples The samples.
  * @param {number} numChannels The number of channels to split the samples.
- * @param {?Function=} OutputObject The Typed Array object to write the
- *   samples. Assumes Float64Array by default.
- * @return {!Array|!TypedArray}
+ * @param {Function} [OutputObject=Float64Array] The type of object to
+ *   write the de-interleaved samples.
+ * @return {!(Array|TypedArray)}
  */
 export function deInterleave(samples, numChannels, OutputObject=Float64Array) {
-  /** @type {!Array|!TypedArray} */
+  /** @type {!(Array|TypedArray)} */
   let finalSamples = [];
@@ -72,6 +70,5 @@ for (let i = 0; i < numChannels; i++) {
   }
-  for (let i = 0; i < numChannels; i ++) {
-    let s = 0;
-    for (let j = i; j < samples.length; j+= numChannels) {
-      finalSamples[i][s++] = samples[j];
+  for (let i = 0; i < numChannels; i++) {
+    for (let j = i, s = 0; j < samples.length; j+= numChannels, s++) {
+      finalSamples[i][s] = samples[j];
     }
@@ -78,0 +75,0 @@ }

lib/parsers/write-string.js

@@ -30,21 +30,18 @@ /*
 
-import { packString } from 'byte-data';
+import { packString } from './binary';
 
 /**
- * Pack a string an array of bytes. If the string is smaller than the max size
- * and the string is of fixed size, the output array is filled with 0s.
+ * Pack a string an array of bytes. If the packed string length is smaller
+ * than the desired byte length the output array is filled with 0s.
  * @param {string} str The string to be written as bytes.
- * @param {number} maxSize the max size of the string.
- * @param {boolean} fixedSize If the string is of fixed size or not.
+ * @param {number} byteLength the size of the string in bytes.
  * @return {!Array<number>} The packed string.
  */
-export function writeString(str, maxSize, fixedSize=true) {
+export function writeString(str, byteLength) {
   /** @type {!Array<number>} */   
   let packedString = packString(str);
-  if (fixedSize) {
-    for (let i=packedString.length; i<maxSize; i++) {
-      packedString.push(0);
-    }  
+  for (let i = packedString.length; i < byteLength; i++) {
+    packedString.push(0);
   }
   return packedString;
 }

lib/resampler/butterworth-lpf.js

@@ -43,2 +43,3 @@ /*
   constructor(order, sampleRate, cutOff) {
+    /** @type {!Array} */
     let filters = [];
@@ -71,2 +72,3 @@ for (let i = 0; i < order; i++) {
   filter(sample) {
+    /** @type {number} */
     let out = sample;
@@ -79,7 +81,12 @@ for (let i = 0, len = this.stages.length; i < len; i++) {
 
+  /**
+   * @param {!Object} params The filter params.
+   * @return {!Object}
+   */
   getCoeffs_(params) {
+    /** @type {!Object} */
     let coeffs = {};
-    coeffs.z = [0, 0];
     coeffs.a = [];
     coeffs.b = [];
+    /** @type {!Object} */
     let p = this.preCalc_(params, coeffs);
@@ -93,4 +100,11 @@ coeffs.k = 1;
 
+  /**
+   * @param {!Object} params The filter params.
+   * @param {!Object} coeffs The coefficients template.
+   * @return {!Object}
+   */
   preCalc_(params, coeffs) {
+    /** @type {!Object} */
     let pre = {};
+    /** @type {number} */
     let w = 2 * Math.PI * params.Fc / params.Fs;
@@ -107,9 +121,14 @@ pre.alpha = Math.sin(w) / (2 * params.Q);
   
-  runStage_(i, input) {
-    let temp =
-      input * this.stages[i].k - this.stages[i].a1 * this.stages[i].z[0] -
-      this.stages[i].a2 * this.stages[i].z[1];
-    let out =
-      this.stages[i].b0 * temp + this.stages[i].b1 * this.stages[i].z[0] +
-      this.stages[i].b2 * this.stages[i].z[1];
+  /**
+   * @param {number} i The stage index.
+   * @param {number} sample The sample.
+   * @return {number}
+   */
+  runStage_(i, sample) {
+    /** @type {number} */
+    let temp = sample * this.stages[i].k - this.stages[i].a1 *
+      this.stages[i].z[0] - this.stages[i].a2 * this.stages[i].z[1];
+    /** @type {number} */
+    let out = this.stages[i].b0 * temp + this.stages[i].b1 *
+      this.stages[i].z[0] + this.stages[i].b2 * this.stages[i].z[1];
     this.stages[i].z[1] = this.stages[i].z[0];
@@ -116,0 +135,0 @@ this.stages[i].z[0] = temp;

lib/resampler/fir-lpf.js

@@ -43,3 +43,5 @@ /*
   constructor(order, sampleRate, cutOff) {
+    /** @type {number} */
     let omega = 2 * Math.PI * cutOff / sampleRate;
+    /** @type {number} */
     let dc = 0;
@@ -70,2 +72,3 @@ this.filters = [];
     this.z.buf[this.z.pointer] = sample;
+    /** @type {number} */
     let out = 0;
@@ -92,2 +95,3 @@ for (let i = 0, len = this.z.buf.length; i < len; i++) {
   initZ_() {
+    /** @type {!Array} */
     let r = [];
@@ -94,0 +98,0 @@ for (let i = 0; i < this.filters.length - 1; i++) {

lib/resampler/index.js

@@ -34,2 +34,8 @@ /*
 
+/**
+ * Default use of LPF for each resampling method.
+ * @readonly
+ * @enum {boolean}
+ * @private
+ */
 const DEFAULT_LPF_USE = {
@@ -42,2 +48,8 @@ 'point': false,
 
+/**
+ * Default LPF order for each type of LPF.
+ * @readonly
+ * @enum {number}
+ * @private
+ */
 const DEFAULT_LPF_ORDER = {
@@ -48,2 +60,8 @@ 'IIR': 16,
 
+/**
+ * Default LPF class for each type of LPF.
+ * @readonly
+ * @enum {!Function}
+ * @private
+ */
 const DEFAULT_LPF = {
@@ -56,14 +74,18 @@ 'IIR': ButterworthLPF,
  * Change the sample rate of the samples to a new sample rate.
- * @param {!Array|!TypedArray} samples The original samples.
+ * @param {!Array<number>|!TypedArray} samples The original samples.
  * @param {number} oldSampleRate The original sample rate.
  * @param {number} sampleRate The target sample rate.
- * @param {?Object} details The extra configuration, if needed.
+ * @param {Object=} options The extra configuration, if needed.
  * @return {!Float64Array} the new samples.
  */
-export function resample(samples, oldSampleRate, sampleRate, details={}) {  
+export function resample(samples, oldSampleRate, sampleRate, options=null) {
+  options = options || {};
   // Make the new sample container
+  /** @type {number} */
   let rate = ((sampleRate - oldSampleRate) / oldSampleRate) + 1;
+  /** @type {!Float64Array} */
   let newSamples = new Float64Array(samples.length * (rate));
   // Create the interpolator
-  details.method = details.method || 'cubic';
+  options.method = options.method || 'cubic';
+  /** @type {!Object} */
   let interpolator = new Interpolator(
@@ -73,19 +95,20 @@ samples.length,
     {
-      method: details.method,
-      tension: details.tension || 0,
-      sincFilterSize: details.sincFilterSize || 6,
-      sincWindow: details.sincWindow || undefined,
-      clip: details.clip || 'mirror'
+      method: options.method,
+      tension: options.tension || 0,
+      sincFilterSize: options.sincFilterSize || 6,
+      sincWindow: options.sincWindow || undefined,
+      clip: options.clip || 'mirror'
     });
   // Resample + LPF
-  if (details.LPF === undefined) {
-    details.LPF = DEFAULT_LPF_USE[details.method];
+  if (options.LPF === undefined) {
+    options.LPF = DEFAULT_LPF_USE[options.method];
   } 
-  if (details.LPF) {
-    details.LPFType = details.LPFType || 'IIR';
-    const LPF = DEFAULT_LPF[details.LPFType];
+  if (options.LPF) {
+    options.LPFType = options.LPFType || 'IIR';
+    const LPF = DEFAULT_LPF[options.LPFType];
     // Upsampling
     if (sampleRate > oldSampleRate) {
+      /** @type {!Object} */
       let filter = new LPF(
-        details.LPForder || DEFAULT_LPF_ORDER[details.LPFType],
+        options.LPForder || DEFAULT_LPF_ORDER[options.LPFType],
         sampleRate,
@@ -97,4 +120,5 @@ (oldSampleRate / 2));
     } else {
+      /** @type {!Object} */
       let filter = new LPF(
-        details.LPForder || DEFAULT_LPF_ORDER[details.LPFType],
+        options.LPForder || DEFAULT_LPF_ORDER[options.LPFType],
         oldSampleRate,
@@ -114,3 +138,3 @@ sampleRate / 2);
  * Resample.
- * @param {!Array|!TypedArray} samples The original samples.
+ * @param {!Array<number>|!TypedArray} samples The original samples.
  * @param {!Float64Array} newSamples The container for the new samples.
@@ -129,3 +153,3 @@ * @param {Object} interpolator The interpolator.
  * Upsample with LPF.
- * @param {!Array|!TypedArray} samples The original samples.
+ * @param {!Array<number>|!TypedArray} samples The original samples.
  * @param {!Float64Array} newSamples The container for the new samples.
@@ -150,3 +174,3 @@ * @param {Object} interpolator The interpolator.
  * Downsample with LPF.
- * @param {!Array|!TypedArray} samples The original samples.
+ * @param {!Array<number>|!TypedArray} samples The original samples.
  * @param {!Float64Array} newSamples The container for the new samples.
@@ -153,0 +177,0 @@ * @param {Object} interpolator The interpolator.

lib/resampler/interpolator.js

@@ -41,3 +41,3 @@ /*
    * @param {number} scaleTo The length of the new array.
-   * @param {?Object} details The extra configuration, if needed.
+   * @param {!Object} details The extra configuration, if needed.
    */
@@ -68,14 +68,2 @@ constructor(scaleFrom, scaleTo, details) {
     /**
-     * The clipping function.
-     * @type {Function}
-     */
-    this.clip_ = clipClamp_;
-    // The clip function
-    if (details.clip === 'periodic') {
-      this.scaleFactor_ = scaleFrom / scaleTo;
-      this.clip_ = clipPeriodic_;
-    } else if (details.clip === 'mirror') {
-      this.clip_ = clipMirror_;
-    }
-    /**
      * The tanget factor for cubic interpolation.
@@ -100,3 +88,3 @@ * @type {number}
    * @param {number} t The index to interpolate.
-   * @param {Array|TypedArray} samples the original array.
+   * @param {Array<number>|TypedArray} samples the original array.
    * @return {number} The interpolated value.
@@ -110,3 +98,3 @@ */
    * @param {number} t The index to interpolate.
-   * @param {Array|TypedArray} samples the original array.
+   * @param {Array<number>|TypedArray} samples the original array.
    * @return {number} The interpolated value.
@@ -116,2 +104,3 @@ */
     t = this.scaleFactor_ * t;
+    /** @type {number} */
     let k = Math.floor(t);
@@ -126,3 +115,3 @@ t -= k;
    * @param {number} t The index to interpolate.
-   * @param {Array|TypedArray} samples the original array.
+   * @param {Array<number>|TypedArray} samples the original array.
    * @return {number} The interpolated value.
@@ -132,8 +121,13 @@ */
     t = this.scaleFactor_ * t;
+    /** @type {number} */
     let k = Math.floor(t);
+    /** @type {Array<number>} */
     let m = [this.getTangent_(k, samples), this.getTangent_(k + 1, samples)];
+    /** @type {Array<number>} */
     let p = [this.getClippedInput_(k, samples),
       this.getClippedInput_(k + 1, samples)];
     t -= k;
+    /** @type {number} */
     let t2 = t * t;
+    /** @type {number} */
     let t3 = t * t2;
@@ -148,3 +142,3 @@ return (2 * t3 - 3 * t2 + 1) *
    * @param {number} t The index to interpolate.
-   * @param {Array|TypedArray} samples the original array.
+   * @param {Array<number>|TypedArray} samples the original array.
    * @return {number} The interpolated value.
@@ -154,5 +148,9 @@ */
     t = this.scaleFactor_ * t;
+    /** @type {number} */
     let k = Math.floor(t);
+    /** @type {number} */
     let ref = k - this.sincFilterSize_ + 1;
+    /** @type {number} */
     let ref1 = k + this.sincFilterSize_;
+    /** @type {number} */
     let sum = 0;
@@ -167,3 +165,3 @@ for (let n = ref; n <= ref1; n++) {
    * @param {number} k The scaled index to interpolate.
-   * @param {Array|TypedArray} samples the original array.
+   * @param {Array<number>|TypedArray} samples the original array.
    * @return {number} The tangent.
@@ -180,3 +178,3 @@ * @private
    * @param {number} t The scaled index to interpolate.
-   * @param {Array|TypedArray} samples the original array.
+   * @param {Array<number>|TypedArray} samples the original array.
    * @return {number} The interpolated value.
@@ -189,8 +187,6 @@ * @private
     }
-    return samples[this.clip_(t, this.length_)];
+    return 0;
   }
 }
 
-// Sinc functions
-
 /**
@@ -226,42 +222,1 @@ * The default window function.
 }
-
-// Clip functions
-
-/**
- * @param {number} t The scaled index
- * @param {number} n The size of the original array
- * @return {number}
- * @private
- */
-function clipClamp_(t, n) {
-  return Math.max(0, Math.min(t, n - 1));
-}
-
-/**
- * @param {number} t The scaled index
- * @param {number} n The size of the original array
- * @return {number}
- * @private
- */
-function clipPeriodic_(t, n) {
-  t = t % n;
-  if (t < 0) {
-    t += n;
-  }
-  return t;
-}
-
-/**
- * @param {number} t The scaled index
- * @param {number} n The size of the original array
- * @return {number}
- * @private
- */
-function clipMirror_(t, n) {
-  let period = 2 * (n - 1);
-  t = clipPeriodic_(t, period);
-  if (t > n - 1) {
-    t = period - t;
-  }
-  return t;
-}

lib/riff-file.js

@@ -30,3 +30,3 @@ /*
 
-import { unpackString, unpack } from 'byte-data';
+import { unpackString, unpack } from './parsers/binary';
 
@@ -56,5 +56,5 @@ /**
      * A object defining the start and end of all chunks in a wav buffer.
-     * @type {!Object}
+     * @type {Object}
      */
-    this.signature = {};
+    this.signature = null;
     /**
@@ -66,6 +66,6 @@ * @type {number}
     /**
-     * @type {{be: boolean, bits: number, fp: boolean, signed: boolean}}
+     * @type {!{bits: number, be: boolean}}
      * @protected
      */
-    this.uInt32 = {bits: 32, be: false, signed: false, fp: false};
+    this.uInt32 = {bits: 32, be: false};
     /**
@@ -86,17 +86,17 @@ * The list of supported containers.
   setSignature(buffer) {
-      this.head = 0;
-      this.container = this.readString(buffer, 4);
-      if (this.supported_containers.indexOf(this.container) === -1) {
-        throw Error('Not a supported format.');
-      }
-      this.uInt32.be = this.container === 'RIFX';
-      this.chunkSize = this.readUInt32(buffer);
-      this.format = this.readString(buffer, 4);
-      // The RIFF file signature
-      this.signature = {
-          chunkId: this.container,
-          chunkSize: this.chunkSize,
-          format: this.format,
-          subChunks: this.getSubChunksIndex_(buffer)
-      };
+    this.head = 0;
+    this.container = this.readString(buffer, 4);
+    if (this.supported_containers.indexOf(this.container) === -1) {
+      throw Error('Not a supported format.');
+    }
+    this.uInt32.be = this.container === 'RIFX';
+    this.chunkSize = this.readUInt32(buffer);
+    this.format = this.readString(buffer, 4);
+    // The RIFF file signature
+    this.signature = {
+      chunkId: this.container,
+      chunkSize: this.chunkSize,
+      format: this.format,
+      subChunks: this.getSubChunksIndex_(buffer)
+    };
   }
@@ -107,3 +107,3 @@
     * @param {string} chunkId The chunk fourCC_.
-    * @param {boolean} multiple True if there may be multiple chunks
+    * @param {boolean} [multiple=false] True if there may be multiple chunks
     *    with the same chunkId.
@@ -114,5 +114,5 @@ * @return {Object}
   findChunk(chunkId, multiple=false) {
-    /** @type {!Array<!Object>} */
+    /** @type {!Array<Object>} */
     let chunks = this.signature.subChunks;
-    /** @type {!Array<!Object>} */
+    /** @type {!Array<Object>} */
     let chunk = [];
@@ -169,12 +169,12 @@ for (let i=0; i<chunks.length; i++) {
   getSubChunksIndex_(buffer) {
-      /** @type {!Array<!Object>} */
-      let chunks = [];
-      /** @type {number} */
-      let i = this.head;
-      while(i <= buffer.length - 8) {
-          chunks.push(this.getSubChunkIndex_(buffer, i));
-          i += 8 + chunks[chunks.length - 1].chunkSize;
-          i = i % 2 ? i + 1 : i;
-      }
-      return chunks;
+    /** @type {!Array<!Object>} */
+    let chunks = [];
+    /** @type {number} */
+    let i = this.head;
+    while(i <= buffer.length - 8) {
+      chunks.push(this.getSubChunkIndex_(buffer, i));
+      i += 8 + chunks[chunks.length - 1].chunkSize;
+      i = i % 2 ? i + 1 : i;
+    }
+    return chunks;
   }
@@ -190,22 +190,22 @@
   getSubChunkIndex_(buffer, index) {
-      /** @type {!Object} */
-      let chunk = {
-          chunkId: this.getChunkId_(buffer, index),
-          chunkSize: this.getChunkSize_(buffer, index),
+    /** @type {!Object} */
+    let chunk = {
+      chunkId: this.getChunkId_(buffer, index),
+      chunkSize: this.getChunkSize_(buffer, index),
+    };
+    if (chunk.chunkId == 'LIST') {
+      chunk.format = unpackString(buffer, index + 8, index + 12);
+      this.head += 4;
+      chunk.subChunks = this.getSubChunksIndex_(buffer);
+    } else {
+      /** @type {number} */
+      let realChunkSize = chunk.chunkSize % 2 ?
+        chunk.chunkSize + 1 : chunk.chunkSize;
+      this.head = index + 8 + realChunkSize;
+      chunk.chunkData = {
+        start: index + 8,
+        end: this.head
       };
-      if (chunk.chunkId == 'LIST') {
-          chunk.format = unpackString(buffer, index + 8, index + 12);
-          this.head += 4;
-          chunk.subChunks = this.getSubChunksIndex_(buffer);
-      } else {
-          /** @type {number} */
-          let realChunkSize = chunk.chunkSize % 2 ?
-              chunk.chunkSize + 1 : chunk.chunkSize;
-          this.head = index + 8 + realChunkSize;
-          chunk.chunkData = {
-              start: index + 8,
-              end: this.head
-          };
-      }
-      return chunk;
+    }
+    return chunk;
   }
@@ -221,4 +221,4 @@
   getChunkId_(buffer, index) {
-      this.head += 4;
-      return unpackString(buffer, index, index + 4);
+    this.head += 4;
+    return unpackString(buffer, index, index + 4);
   }
@@ -234,5 +234,5 @@
   getChunkSize_(buffer, index) {
-      this.head += 4;
-      return unpack(buffer, this.uInt32, index + 4);
+    this.head += 4;
+    return unpack(buffer, this.uInt32, index + 4);
   }
 }

lib/wavefile-converter.js

@@ -30,8 +30,8 @@ /*
 
-import { changeBitDepth } from 'bitdepth';
-import * as imaadpcm from 'imaadpcm';
-import * as alawmulaw from 'alawmulaw';
-import { unpackArrayTo } from 'byte-data';
+import { changeBitDepth } from './codecs/bitdepth';
+import * as imaadpcm from './codecs/imaadpcm';
+import * as alaw from './codecs/alaw';
+import * as mulaw from './codecs/mulaw';
+import { unpackArrayTo } from './parsers/binary';
 import { WaveFileCueEditor } from './wavefile-cue-editor';
-import { truncateIntSamples } from './parsers/truncate-samples';
 import { validateSampleRate } from './validators/validate-sample-rate';
@@ -55,3 +55,3 @@ import { resample } from './resampler';
     unpackArrayTo(this.data.samples, this.dataType, output,
-      0, this.data.samples.length, false, false);
+      0, this.data.samples.length);
     this.fromExisting_(
@@ -61,3 +61,4 @@ this.fmt.numChannels,
       this.bitDepth,
-      output);
+      output,
+      {container: 'RIFF'});
   }
@@ -73,3 +74,3 @@
     unpackArrayTo(this.data.samples, this.dataType, output,
-      0, this.data.samples.length, false, false);
+      0, this.data.samples.length);
     this.fromExisting_(
@@ -101,3 +102,3 @@ this.fmt.numChannels,
       unpackArrayTo(this.data.samples, this.dataType, output,
-        0, this.data.samples.length, false, false);
+        0, this.data.samples.length);
       this.fromExisting_(
@@ -114,5 +115,4 @@ this.fmt.numChannels,
    * Decode a 4-bit IMA ADPCM wave file as a 16-bit wave file.
-   * @param {string} bitDepthCode The new bit depth of the samples.
+   * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
    *    One of '8' ... '32' (integers), '32f' or '64' (floats).
-   *    Optional. Default is 16.
    */
@@ -140,3 +140,3 @@ fromIMAADPCM(bitDepthCode='16') {
     unpackArrayTo(this.data.samples, this.dataType, output,
-        0, this.data.samples.length, false, false);
+        0, this.data.samples.length);
     this.fromExisting_(
@@ -146,3 +146,3 @@ this.fmt.numChannels,
       '8a',
-      alawmulaw.alaw.encode(output),
+      alaw.encode(output),
       {container: this.correctContainer_()});
@@ -153,5 +153,4 @@ }
    * Decode a 8-bit A-Law wave file into a 16-bit wave file.
-   * @param {string} bitDepthCode The new bit depth of the samples.
+   * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
    *    One of '8' ... '32' (integers), '32f' or '64' (floats).
-   *    Optional. Default is 16.
    */
@@ -163,3 +162,3 @@ fromALaw(bitDepthCode='16') {
       '16',
-      alawmulaw.alaw.decode(this.data.samples),
+      alaw.decode(this.data.samples),
       {container: this.correctContainer_()});
@@ -180,3 +179,3 @@ if (bitDepthCode != '16') {
     unpackArrayTo(this.data.samples, this.dataType, output,
-        0, this.data.samples.length, false, false);
+        0, this.data.samples.length);
     this.fromExisting_(
@@ -186,3 +185,3 @@ this.fmt.numChannels,
       '8m',
-      alawmulaw.mulaw.encode(output),
+      mulaw.encode(output),
       {container: this.correctContainer_()});
@@ -193,5 +192,4 @@ }
    * Decode a 8-bit mu-Law wave file into a 16-bit wave file.
-   * @param {string} bitDepthCode The new bit depth of the samples.
+   * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
    *    One of '8' ... '32' (integers), '32f' or '64' (floats).
-   *    Optional. Default is 16.
    */
@@ -203,3 +201,3 @@ fromMuLaw(bitDepthCode='16') {
       '16',
-      alawmulaw.mulaw.decode(this.data.samples),
+      mulaw.decode(this.data.samples),
       {container: this.correctContainer_()});
@@ -215,3 +213,3 @@ if (bitDepthCode != '16') {
    *    One of '8' ... '32' (integers), '32f' or '64' (floats)
-   * @param {boolean} changeResolution A boolean indicating if the
+   * @param {boolean=} [changeResolution=true] A boolean indicating if the
    *    resolution of samples should be actually changed or not.
@@ -236,3 +234,3 @@ * @throws {Error} If the bit depth is not valid.
      * The original samples, interleaved.
-     * @type {!Array|!TypedArray}
+     * @type {!(Array|TypedArray)}
      */
@@ -259,13 +257,13 @@ let samples = this.getSamples(true);
    * @param {number} sampleRate The target sample rate.
-   * @param {?Object} details The extra configuration, if needed.
+   * @param {Object=} options The extra configuration, if needed.
    */
-  toSampleRate(sampleRate, details={}) {
+  toSampleRate(sampleRate, options) {
     this.validateResample_(sampleRate);
-    /** @type {!Array|!TypedArray} */
+    /** @type {!(Array|TypedArray)} */
     let samples = this.getSamples();
-    /** @type {!Array|!Float64Array} */
+    /** @type {!(Array|Float64Array)} */
     let newSamples = [];
     // Mono files
     if (samples.constructor === Float64Array) {
-      newSamples = resample(samples, this.fmt.sampleRate, sampleRate, details);
+      newSamples = resample(samples, this.fmt.sampleRate, sampleRate, options);
     // Multi-channel files
@@ -275,17 +273,5 @@ } else {
         newSamples.push(resample(
-          samples[i], this.fmt.sampleRate, sampleRate, details));
+          samples[i], this.fmt.sampleRate, sampleRate, options));
       }
     }
-    // Truncate samples
-    if (this.bitDepth !== '64' && this.bitDepth !== '32f') {
-      // Truncate samples in mono files
-      if (newSamples[0].constructor === Number) {
-        truncateIntSamples(newSamples, this.dataType.bits);
-      // Truncate samples in multi-channel files
-      } else {
-        for (let i = 0; i < newSamples.length; i++) {
-          truncateIntSamples(newSamples[i], this.dataType.bits);
-        }
-      }
-    }
     // Recreate the file
@@ -358,10 +344,10 @@ this.fromExisting_(
    *    or any value between '8' and '32' (like '12').
-   * @param {!Array|!TypedArray} samples
+   * @param {!(Array|TypedArray)} 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'}
+   * @param {Object} options Used to define the container. Uses RIFF by default.
    * @throws {Error} If any argument does not meet the criteria.
    * @private
    */
-  fromExisting_(numChannels, sampleRate, bitDepthCode, samples, options={}) {
+  fromExisting_(numChannels, sampleRate, bitDepthCode, samples, options) {
+    /** @type {!Object} */
     let tmpWav = new WaveFileCueEditor();
@@ -368,0 +354,0 @@ Object.assign(this.fmt, tmpWav.fmt);

lib/wavefile-creator.js

@@ -34,3 +34,3 @@ /*
 import { validateSampleRate } from './validators/validate-sample-rate';
-import { packArrayTo, unpackArrayTo, packTo, unpack } from 'byte-data';
+import { packArrayTo, unpackArrayTo, packTo, unpack } from './parsers/binary';
 
@@ -52,6 +52,6 @@ /**
     /**
-     * @type {{be: boolean, bits: number, fp: boolean, signed: boolean}}
+     * @type {!{bits: number, be: boolean}}
      * @protected
      */
-    this.dataType = {bits: 0, be: false, signed: false, fp: false};
+    this.dataType = {bits: 0, be: false};
     /**
@@ -86,8 +86,9 @@ * Audio formats.
    *    or any value between '8' and '32' (like '12').
-   * @param {!Array|!TypedArray} samples The samples.
-   * @param {?Object} options Optional. Used to force the container
+   * @param {!(Array|TypedArray)} samples The samples.
+   * @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, sampleRate, bitDepthCode, samples, options={}) {
+  fromScratch(numChannels, sampleRate, bitDepthCode, samples, options) {
+    options = options || {};
     // reset all chunks
@@ -101,3 +102,3 @@ this.clearHeaders();
    * @param {!Uint8Array} wavBuffer The buffer.
-   * @param {boolean=} samples True if the samples should be loaded.
+   * @param {boolean=} [samples=true] True if the samples should be loaded.
    * @throws {Error} If container is not RIFF, RIFX or RF64.
@@ -129,7 +130,6 @@ * @throws {Error} If format is not WAVE.
    * Return the samples packed in a Float64Array.
-   * @param {?boolean} interleaved True to return interleaved samples,
-   *   false to return the samples de-interleaved. Defaults to false.
-   * @param {?Function=} OutputObject The Typed Array object to write the
-   *   samples. Assumes Float64Array by default.
-   * @return {!Array|!TypedArray} the samples.
+   * @param {boolean=} [interleaved=false] True to return interleaved samples,
+   *   false to return the samples de-interleaved.
+   * @param {Function=} [OutputObject=Float64Array] The sample container.
+   * @return {!(Array|TypedArray)} the samples.
    */
@@ -140,3 +140,3 @@ getSamples(interleaved=false, OutputObject=Float64Array) {
      * the length of the samples.
-     * @type {!Array|!TypedArray}
+     * @type {!(Array|TypedArray)}
      */
@@ -147,3 +147,3 @@ let samples = new OutputObject(
     unpackArrayTo(this.data.samples, this.dataType, samples,
-      0, this.data.samples.length, false, false);
+      0, this.data.samples.length);
     if (!interleaved && this.fmt.numChannels > 1) {
@@ -168,3 +168,3 @@ return deInterleave(samples, this.fmt.numChannels, OutputObject);
       this.data.samples.slice(index, index + this.dataType.bits / 8),
-      this.dataType, 0, false);
+      this.dataType);
   }
@@ -183,3 +183,3 @@
     }
-    packTo(sample, this.dataType, this.data.samples, index, false);
+    packTo(sample, this.dataType, this.data.samples, index, true);
   }
@@ -233,13 +233,12 @@
    * @param {number} sampleRate The sample rate.
-   *    Integers like 8000, 44100, 48000, 96000, 192000.
+   *   Integers 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|!TypedArray} samples The samples.
-   * @param {?Object} options Optional. Used to force the container
-   *    as RIFX with {'container': 'RIFX'}
+   *   One of '4', '8', '8a', '8m', '16', '24', '32', '32f', '64'
+   *   or any value between '8' and '32' (like '12').
+   * @param {!(Array|TypedArray)} samples The samples.
+   * @param {Object} options Used to define the container.
    * @throws {Error} If any argument does not meet the criteria.
    * @private
    */
-  newWavFile_(numChannels, sampleRate, bitDepthCode, samples, options={}) {
+  newWavFile_(numChannels, sampleRate, bitDepthCode, samples, options) {
     if (!options.container) {
@@ -255,3 +254,3 @@ options.container = 'RIFF';
     this.data.samples = new Uint8Array(samples.length * numBytes);
-    packArrayTo(samples, this.dataType, this.data.samples, 0, false);
+    packArrayTo(samples, this.dataType, this.data.samples, 0, true);
     this.makeWavHeader_(
@@ -258,0 +257,0 @@ bitDepthCode, numChannels, sampleRate,

lib/wavefile-parser.js

@@ -32,3 +32,3 @@ /*
 import { writeString } from './parsers/write-string';
-import { packTo, packStringTo, packString, pack } from 'byte-data';
+import { packTo, packStringTo, packString, pack } from './parsers/binary';
 
@@ -146,3 +146,3 @@ /**
     if (this.iXML.chunkId) {
-      // chunkSize = byte len of the packed chunk content
+      /** @type {!Array<number>} */
       let iXMLPackedValue = packString(this.iXML.value);
@@ -306,2 +306,3 @@ this.iXML.chunkSize = iXMLPackedValue.length;
     if (this.fmt.chunkId) {
+      /** @type {!Array<number>} */
       let bytes  = fmtBytes.concat(
@@ -475,3 +476,3 @@ packString(this.fmt.chunkId),
     if (this._PMX.chunkId) {
-      // chunkSize = byte len of the packed chunk content
+      /** @type {!Array<number>} */
       let _PMXPackedValue = packString(this._PMX.value);
@@ -478,0 +479,0 @@ this._PMX.chunkSize = _PMXPackedValue.length;

lib/wavefile-reader.js

@@ -31,3 +31,3 @@ /*
 import { RIFFFile } from './riff-file';
-import { unpackString, unpack } from 'byte-data';
+import { unpackString, unpack } from './parsers/binary';
 
@@ -275,3 +275,3 @@ /**
    * @param {!Uint8Array} wavBuffer The buffer.
-   * @param {boolean=} samples True if the samples should be loaded.
+   * @param {boolean=} [samples=true] True if the samples should be loaded.
    * @throws {Error} If container is not RIFF, RIFX or RF64.
@@ -309,2 +309,3 @@ * @throws {Error} If format is not WAVE.
   clearHeaders() {
+    /** @type {!Object} */
     let tmpWav = new WaveFileReader();
@@ -678,3 +679,3 @@ Object.assign(this.fmt, tmpWav.fmt);
    * @param {!Uint8Array} bytes The bytes.
-   * @param {number} index the index to start reading.
+   * @param {number=} [index=0] the index to start reading.
    * @return {string} The string.
@@ -681,0 +682,0 @@ * @private

package.json

 {
   "name": "wavefile",
-  "version": "10.4.3",
+  "version": "11.0.0",
   "description": "Create, read and write wav files according to the specs.",
@@ -79,3 +79,3 @@ "homepage": "https://github.com/rochars/wavefile",
     "test-tsc": "tsc ./test/TypeScript/index.ts && node -r esm ./test/TypeScript/index.js",
-    "test-cli": "wavefile ./test/files/M1F1-int12WE-AFsp.wav --tag=ICMT",
+    "test-cli": "wavefile ./test/files/M1F1-int12WE-AFsp.wav --tag=ICMT && wavefile ./test/files/M1F1-int12WE-AFsp.wav --resample=16000 --method=point ./test/files/out/to-sample-rate/M1F1-int12WE-AFsp-CLI.wav",
     "test-dist": "npm run test-umd && npm run test-tsc && npm run test-cli",
@@ -91,2 +91,3 @@ "rollup-bundle": "rollup -c && npm run test-dist",
     "@rollup/plugin-node-resolve": "^6.0.0",
+    "byte-data": "^19.0.1",
     "codecov": "^3.6.1",
@@ -103,8 +104,3 @@ "docdash": "^1.1.1",
   },
-  "dependencies": {
-    "alawmulaw": "^5.0.2",
-    "bitdepth": "^9.0.0",
-    "byte-data": "^18.1.1",
-    "imaadpcm": "^5.0.0"
-  }
+  "dependencies": {}
 }

README.md

@@ -20,2 +20,3 @@ # wavefile
 - **Handle files up to 2GB**
+- **Zero dependencies**
 
@@ -91,3 +92,3 @@ With **wavefile** you can:
 
-### Command line
+### Command line use
 To see the available options:
@@ -98,33 +99,2 @@ ```
 
-The available options:
-```
-  --bitdepth   Ex: wavefile input.wav --bitdepth=32f output.wav
-               Change the bit depth.
-               The input file is not affected.
-               Possible values: 8, 16, 24, 32, 32f, 64
-
-  --compress   Ex: wavefile input.wav --compress=adpcm output.wav
-               Apply compression to the file.
-               The input file is not affected.
-               Possible values: adpcm, alaw, mulaw
-
-  --tag        Ex: wavefile input.wav --tag=ICRD
-               Print the value of tag if the tag exists.
-
-  --list-tags  Ex: wavefile input.wav --list-tags
-               Print all tags of the file.
-
-  --list-cue   Ex: wavefile input.wav --list-cue
-               Print all the cue points of the file.
-
-  --bits       Ex: wavefile input.wav --bits
-               Print the bit depth of the file.
-
-  --rate       Ex: wavefile input.wav --rate
-               Print the sample rate of the file.
-
-  --help       Ex: --help
-               Show this help page.
-```
-
 ## Node.js Example
@@ -169,2 +139,3 @@ ```javascript
   * [The samples](#the-samples)
+  * [Command line](#command-line)
 - [API](#api)
@@ -531,3 +502,2 @@ * [The WaveFile methods:](#the-wavefile-methods-)
 
-
 To get and set samples in a WaveFile instance you should use WaveFile.getSample(index) and WaveFile.setSample(index, sample). The 'index' is the index of the sample in the sample array, not the index of the bytes in data.samples.
@@ -551,3 +521,3 @@
 
-Range:
+### Range:
 - 0 to 255 for 8-bit
@@ -560,7 +530,69 @@ - -32768 to 32767 for 16-bit
 
+Floating point samples may be defined out of range. Integer samples will be clamped on overflow.
+
+### Command line
+To use **wavefile** from the command line, install it globally:
+```
+$ npm install wavefile -g
+```
+
+To see the available options:
+```
+$ wavefile --help
+```
+
+The available options:
+```
+  --resample   Ex: wavefile input.wav --resample=44100 output.wav
+               Change the sample rate. The input file is not affected.
+               Use with --method to change the interpolation method:
+               Ex: wavefile in.wav --resample=8000 --method=sinc out.wav
+               If --method is ommited, cubic interpolation will be used.
+
+  --bitdepth   Ex: wavefile input.wav --bitdepth=32f output.wav
+               Change the bit depth.
+               The input file is not affected.
+               Possible values: 8, 16, 24, 32, 32f, 64
+
+  --compress   Ex: wavefile input.wav --compress=adpcm output.wav
+               Apply compression to the file.
+               The input file is not affected.
+               Possible values: adpcm, alaw, mulaw
+
+  --tag        Ex: wavefile input.wav --tag=ICRD
+               Print the value of tag if the tag exists.
+
+  --list-tags  Ex: wavefile input.wav --list-tags
+               Print all tags of the file.
+
+  --list-cue   Ex: wavefile input.wav --list-cue
+               Print all the cue points of the file.
+
+  --bits       Ex: wavefile input.wav --bits
+               Print the bit depth of the file.
+
+  --rate       Ex: wavefile input.wav --rate
+               Print the sample rate of the file.
+
+  --help       Ex: --help
+               Show this help page.
+```
+
+The **--resample** command performs resampling using *cubic interpolation* by default. Use it with the **--method** option to change the interpolation method:
+```
+$ wavefile input.wav --resample=44100 method=sinc output.wav
+```
+You can use *point*,*linear*,*cubic* and *sinc*.
+
 ## API
 To create a WaveFile object:
 ```javascript
+// Create a empty WaveFile object
+WaveFile();
+
+// Create a WaveFile object with the contents of a wav file buffer
+WaveFile(wav);
+
 /**
- * @param {?Uint8Array} bytes A wave file buffer.
+ * @param {Uint8Array=} wav A wave file buffer.
  * @throws {Error} If no "RIFF" chunk is found.
@@ -570,3 +602,3 @@ * @throws {Error} If no "fmt " chunk is found.
  */
-WaveFile(bytes=null);
+WaveFile(wav);
 ```
@@ -585,17 +617,19 @@
  *    or any value between '8' and '32' (like '12').
- * @param {!Array|!TypedArray} samples The samples.
- * @param {?Object} options Optional. Used to force the container
+ * @param {!(Array|TypedArray)} samples The samples.
+ * @param {Object=} options Optional. Used to force the container
  *    as RIFX with {'container': 'RIFX'}
  * @throws {Error} If any argument does not meet the criteria.
  */
-WaveFile.fromScratch(numChannels, sampleRate, bitDepth, samples, options={}) {}
+WaveFile.fromScratch(numChannels, sampleRate, bitDepth, samples, options) {}
 
 /**
- * Set up the WaveFile object from a byte buffer.
- * @param {!Uint8Array} bytes The buffer.
+ * Set up the WaveFileParser object from a byte buffer.
+ * @param {!Uint8Array} wavBuffer The buffer.
+ * @param {boolean=} [samples=true] 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.
+ * @throws {Error} If format is not WAVE.
+ * @throws {Error} If no 'fmt ' chunk is found.
+ * @throws {Error} If no 'data' chunk is found.
  */
-WaveFile.fromBuffer(bytes) {}
+WaveFile.fromBuffer(bytes, samples=true) {}
 
@@ -651,6 +685,6 @@ /**
  * Change the bit depth of the samples.
- * @param {string} bitDepth 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.
+ * @param {string} newBitDepth The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats)
+ * @param {boolean=} [changeResolution=true] A boolean indicating if the
+ *    resolution of samples should be actually changed or not.
  * @throws {Error} If the bit depth is not valid.
@@ -661,7 +695,7 @@ */
 /**
- * Convert the sample rate of the audio.
+ * Convert the sample rate of the file.
  * @param {number} sampleRate The target sample rate.
- * @param {?Object} details The extra configuration, if needed.
+ * @param {Object=} options The extra configuration, if needed.
  */
-WaveFile.toSampleRate(sampleRate, details={}) {};
+WaveFile.toSampleRate(sampleRate, options=null) {};
 
@@ -677,5 +711,4 @@ /**
  * Decode a 4-bit IMA ADPCM wave file as a 16-bit wave file.
- * @param {string} bitDepth The new bit depth of the samples.
- *      One of "8" ... "32" (integers), "32f" or "64" (floats).
- *      Optional. Default is 16.
+ * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats).
  */
@@ -691,5 +724,4 @@ WaveFile.fromIMAADPCM(bitDepth='16') {}
  * Decode a 8-bit A-Law wave file into a 16-bit wave file.
- * @param {string} bitDepth The new bit depth of the samples.
- *      One of "8" ... "32" (integers), "32f" or "64" (floats).
- *      Optional. Default is 16.
+ * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats).
  */
@@ -705,5 +737,4 @@ WaveFile.fromALaw(bitDepth='16') {}
  * Decode a 8-bit mu-Law wave file into a 16-bit wave file.
- * @param {string} bitDepth The new bit depth of the samples.
- *      One of "8" ... "32" (integers), "32f" or "64" (floats).
- *      Optional. Default is 16.
+ * @param {string=} [bitDepthCode='16'] The new bit depth of the samples.
+ *    One of '8' ... '32' (integers), '32f' or '64' (floats).
  */
@@ -818,7 +849,6 @@ WaveFile.fromMuLaw(bitDepth='16') {}
  * Return the samples packed in a Float64Array.
- * @param {?boolean} interleaved True to return interleaved samples,
- *   false to return the samples de-interleaved. Defaults to false.
- * @param {?Function=} OutputObject The Typed Array object to write the
-   *   samples. Assumes Float64Array by default.
- * @return {!Float64Array|Array<Float64Array>} the samples.
+ * @param {boolean=} [interleaved=false] True to return interleaved samples,
+ *   false to return the samples de-interleaved.
+ * @param {Function=} [OutputObject=Float64Array] The sample container.
+ * @return {!(Array|TypedArray)} the samples.
  */
@@ -825,0 +855,0 @@ WaveFile.getSamples(interleaved=false, OutputObject=Float64Array) {};

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Improved metrics

Total package byte prevSize

311007

increased by19.21%

Dependency count

0

decreased by-100%

Number of package files

37

increased by27.59%

Lines of code

6485

increased by29.99%

Number of lines in readme file

1294

increased by2.37%

Worsened metrics

Dev dependency count

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increased by7.69%

Dependency changes

• - Removedalawmulaw@^5.0.2

• - Removedbitdepth@^9.0.0

• - Removedbyte-data@^18.1.1

• - Removedimaadpcm@^5.0.0

• - Removedalawmulaw@5.0.2(transitive)

• - Removedbitdepth@9.0.0(transitive)

• - Removedbyte-data@18.1.1(transitive)

• - Removedendianness@8.0.2(transitive)

• - Removedieee754-buffer@2.0.0(transitive)

• - Removedimaadpcm@5.0.0(transitive)

• - Removedutf8-buffer@1.0.0(transitive)