recordrtc - npm Package Compare versions

Comparing version 5.1.2 to 5.1.3

package.json

 {
   "name": "recordrtc",
   "preferGlobal": false,
-  "version": "5.1.2",
+  "version": "5.1.3",
   "author": {
@@ -6,0 +6,0 @@ "name": "Muaz Khan",

README.md

@@ -211,25 +211,2 @@ # [RecordRTC](https://github.com/muaz-khan/RecordRTC): [WebRTC](https://www.webrtc-experiment.com/) audio/video recording
 
-## `onAudioProcessStarted`
-
-Useful to recover audio/video sync issues inside the browser:
-
-```javascript
-recordAudio = RecordRTC( stream, {
-     onAudioProcessStarted: function( ) {
-         recordVideo.startRecording();
-     }
-});
-
-recordVideo = RecordRTC(stream, {
-    type: 'video'
-});
-
-recordAudio.startRecording();
-```
-
-`onAudioProcessStarted` fixes shared/exclusive audio gap (a little bit). Because shared audio sometimes causes 100ms delay...
-sometime about 400-to-500 ms delay. 
-Delay depends upon number of applications concurrently requesting same audio devices and CPU/Memory available. 
-Shared mode is the only mode currently available on 90% of windows systems especially on windows 7.
-
 ## Record animated GIF image
@@ -309,3 +286,3 @@
 
-1. Both are having same recording duration i.e. size
+1. Both are having same recording duration i.e. length
 2. Video recorder is having no blank frames
@@ -385,5 +362,5 @@ 3. Audio recorder is having no empty buffers
 
-## `audioChannels`
+## `numberOfAudioChannels`
 
-You can force [StereoAudioRecorder](http://RecordRTC.org/StereoAudioRecorder.html) to record left-audio-channels only.
+You can force [StereoAudioRecorder](http://RecordRTC.org/StereoAudioRecorder.html) to record single-audio-channel only. It allows you reduce WAV file size to half.
 
@@ -394,9 +371,9 @@ ```javascript
   recorderType: StereoAudioRecorder,
-  audioChannels: 1 // or leftChannel:true
+  numberOfAudioChannels: 1 // or leftChannel:true
 });
 ```
 
-**It will reduce WAV size to half!*
+**It will reduce WAV size to half!**
 
-This feature is useful only in Chrome and Microsoft Edge (WAV-recorders).
+This feature is useful only in Chrome and Microsoft Edge (WAV-recorders). It can work in Firefox as well.
 
@@ -485,10 +462,2 @@ ## How to set video width/height?
 
-You can write like this:
-
-```javascript
-var options = {
-   'buffer-size': 16384
-};
-```
-
 ## `sampleRate`
@@ -518,10 +487,25 @@
 
-You can write like this:
+## `onAudioProcessStarted`
 
+Useful to recover audio/video sync issues inside the browser:
+
 ```javascript
-var options = {
-   'sample-rate': 16384
-};
+recordAudio = RecordRTC( stream, {
+     onAudioProcessStarted: function( ) {
+         recordVideo.startRecording();
+     }
+});
+
+recordVideo = RecordRTC(stream, {
+    type: 'video'
+});
+
+recordAudio.startRecording();
 ```
 
+`onAudioProcessStarted` fixes shared/exclusive audio gap (a little bit). Because shared audio sometimes causes 100ms delay...
+sometime about 400-to-500 ms delay. 
+Delay depends upon number of applications concurrently requesting same audio devices and CPU/Memory available. 
+Shared mode is the only mode currently available on 90% of windows systems especially on windows 7.
+
 ## `autoWriteToDisk`
@@ -528,0 +512,0 @@

RecordRTC.min.js

@@ -1,2 +0,2 @@
-"use strict";function RecordRTC(mediaStream,config){function startRecording(){return config.disableLogs||console.debug("started recording "+config.type+" stream."),mediaRecorder?(mediaRecorder.clearRecordedData(),mediaRecorder.resume(),self.recordingDuration&&setTimeout(function(){stopRecording(self.onRecordingStopped)},self.recordingDuration),self):(initRecorder(function(){self.recordingDuration&&setTimeout(function(){stopRecording(self.onRecordingStopped)},self.recordingDuration)}),self)}function initRecorder(initCallback){config.disableLogs||console.debug("initializing "+config.type+" stream recorder.");var Recorder;if("undefined"!=typeof StereoAudioRecorder&&isChrome&&(Recorder=StereoAudioRecorder),"undefined"==typeof MediaStreamRecorder||isChrome||(Recorder=MediaStreamRecorder),"video"===config.type&&isChrome){if("undefined"==typeof WhammyRecorder)throw"WhammyRecorder.js seems NOT linked.";Recorder=WhammyRecorder}if("gif"===config.type){if("undefined"==typeof GifRecorder)throw"GifRecorder.js seems NOT linked.";Recorder=GifRecorder}if("canvas"===config.type){if("undefined"==typeof CanvasRecorder)throw"CanvasRecorder.js seems NOT linked.";Recorder=CanvasRecorder}config.recorderType&&(Recorder=config.recorderType),initCallback&&(config.initCallback=function(){initCallback(),initCallback=config.initCallback=null}),mediaRecorder=new Recorder(mediaStream,config),mediaRecorder.record()}function stopRecording(callback){function _callback(){for(var item in mediaRecorder)self&&(self[item]=mediaRecorder[item]),recordRTC&&(recordRTC[item]=mediaRecorder[item]);var blob=mediaRecorder.blob;if(callback){var url=URL.createObjectURL(blob);callback(url)}blob&&!config.disableLogs&&console.debug(blob.type,"->",bytesToSize(blob.size)),config.autoWriteToDisk&&getDataURL(function(dataURL){var parameter={};parameter[config.type+"Blob"]=dataURL,DiskStorage.Store(parameter)})}if(!mediaRecorder)return console.warn(WARNING);var recordRTC=this;config.disableLogs||console.warn("Stopped recording "+config.type+" stream."),"gif"!==config.type?mediaRecorder.stop(_callback):(mediaRecorder.stop(),_callback())}function pauseRecording(){return mediaRecorder?void(mediaRecorder.pause?mediaRecorder.pause():config.disableLogs||console.warn('This recording library is having no "pause" method.')):console.warn(WARNING)}function resumeRecording(){return mediaRecorder?void(mediaRecorder.resume?mediaRecorder.resume():config.disableLogs||console.warn('This recording library is having no "resume" method.')):console.warn(WARNING)}function getDataURL(callback,_mediaRecorder){function processInWebWorker(_function){var blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);return URL.revokeObjectURL(blob),worker}if(!callback)throw"Pass a callback function over getDataURL.";var blob=_mediaRecorder?_mediaRecorder.blob:mediaRecorder.blob;if(!blob)return config.disableLogs||console.warn("Blob encoder did not yet finished its job."),void setTimeout(function(){getDataURL(callback,_mediaRecorder)},1e3);if("undefined"!=typeof Worker){var webWorker=processInWebWorker(function(_blob){postMessage((new FileReaderSync).readAsDataURL(_blob))});webWorker.onmessage=function(event){callback(event.data)},webWorker.postMessage(blob)}else{var reader=new FileReader;reader.readAsDataURL(blob),reader.onload=function(event){callback(event.target.result)}}}if(config=config||{},!mediaStream)throw"MediaStream is mandatory.";config.type||(config.type="audio");var mediaRecorder,self=this,WARNING='It seems that "startRecording" is not invoked for '+config.type+" recorder.",returnObject={startRecording:startRecording,stopRecording:stopRecording,pauseRecording:pauseRecording,resumeRecording:resumeRecording,initRecorder:initRecorder,setRecordingDuration:function(milliseconds,callback){if("undefined"==typeof milliseconds)throw"milliseconds is required.";if("number"!=typeof milliseconds)throw"milliseconds must be a number.";return self.recordingDuration=milliseconds,self.onRecordingStopped=callback||function(){},{onRecordingStopped:function(callback){self.onRecordingStopped=callback}}},clearRecordedData:function(){return mediaRecorder?void mediaRecorder.clearRecordedData():console.warn(WARNING)},getBlob:function(){return mediaRecorder?mediaRecorder.blob:console.warn(WARNING)},getDataURL:getDataURL,toURL:function(){return mediaRecorder?URL.createObjectURL(mediaRecorder.blob):console.warn(WARNING)},save:function(fileName){if(!mediaRecorder){var that=this;return setTimeout(function(){that.save(fileName)},2e3),console.warn(WARNING)}var fileFullName=(fileName||Math.round(9999999999*Math.random())[phone])+"."+mediaRecorder.blob.type.split("/")[1];if("undefined"!=typeof navigator.msSaveOrOpenBlob)return navigator.msSaveOrOpenBlob(mediaRecorder.blob,fileFullName);if("undefined"!=typeof navigator.msSaveBlob)return navigator.msSaveBlob(mediaRecorder.blob,fileFullName);var hyperlink=document.createElement("a");hyperlink.href=URL.createObjectURL(mediaRecorder.blob),hyperlink.target="_blank",hyperlink.download=fileFullName;var evt=new MouseEvent("click",{view:window,bubbles:!0,cancelable:!0});hyperlink.dispatchEvent(evt),URL.revokeObjectURL(hyperlink.href)},getFromDisk:function(callback){return mediaRecorder?void RecordRTC.getFromDisk(config.type,callback):console.warn(WARNING)},setAdvertisementArray:function(arrayOfWebPImages){config.advertisement=[];for(var length=arrayOfWebPImages.length,i=0;length>i;i++)config.advertisement.push({duration:i,image:arrayOfWebPImages[i]})},blob:null,bufferSize:0,sampleRate:0,buffer:null,view:null};if(!this)return self=returnObject,returnObject;for(var prop in returnObject)this[prop]=returnObject[prop];return self=this,returnObject}function MRecordRTC(mediaStream){this.addStream=function(_mediaStream){_mediaStream&&(mediaStream=_mediaStream)},this.mediaType={audio:!0,video:!0},this.startRecording=function(){!isChrome&&mediaStream&&mediaStream.getAudioTracks&&mediaStream.getAudioTracks().length&&mediaStream.getVideoTracks().length&&(this.mediaType.audio=!1),this.mediaType.audio&&(this.audioRecorder=new RecordRTC(mediaStream,{type:"audio",bufferSize:this.bufferSize,sampleRate:this.sampleRate}),this.audioRecorder.startRecording()),this.mediaType.video&&(this.videoRecorder=new RecordRTC(mediaStream,{type:"video",video:this.video,canvas:this.canvas}),this.videoRecorder.startRecording()),this.mediaType.gif&&(this.gifRecorder=new RecordRTC(mediaStream,{type:"gif",frameRate:this.frameRate||200,quality:this.quality||10}),this.gifRecorder.startRecording())},this.stopRecording=function(callback){callback=callback||function(){},this.audioRecorder&&this.audioRecorder.stopRecording(function(blobURL){callback(blobURL,"audio")}),this.videoRecorder&&this.videoRecorder.stopRecording(function(blobURL){callback(blobURL,"video")}),this.gifRecorder&&this.gifRecorder.stopRecording(function(blobURL){callback(blobURL,"gif")})},this.getBlob=function(callback){var output={};this.audioRecorder&&(output.audio=this.audioRecorder.getBlob()),this.videoRecorder&&(output.video=this.videoRecorder.getBlob()),this.gifRecorder&&(output.gif=this.gifRecorder.getBlob()),callback&&callback(output)},this.getDataURL=function(callback){function getDataURL(blob,callback00){if("undefined"!=typeof Worker){var webWorker=processInWebWorker(function(_blob){postMessage((new FileReaderSync).readAsDataURL(_blob))});webWorker.onmessage=function(event){callback00(event.data)},webWorker.postMessage(blob)}else{var reader=new FileReader;reader.readAsDataURL(blob),reader.onload=function(event){callback00(event.target.result)}}}function processInWebWorker(_function){var url,blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);if("undefined"!=typeof URL)url=URL;else{if("undefined"==typeof webkitURL)throw"Neither URL nor webkitURL detected.";url=webkitURL}return url.revokeObjectURL(blob),worker}this.getBlob(function(blob){getDataURL(blob.audio,function(_audioDataURL){getDataURL(blob.video,function(_videoDataURL){callback({audio:_audioDataURL,video:_videoDataURL})})})})},this.writeToDisk=function(){RecordRTC.writeToDisk({audio:this.audioRecorder,video:this.videoRecorder,gif:this.gifRecorder})},this.save=function(args){args=args||{audio:!0,video:!0,gif:!0},args.audio&&this.audioRecorder&&this.audioRecorder.save("string"==typeof args.audio?args.audio:""),args.video&&this.videoRecorder&&this.videoRecorder.save("string"==typeof args.video?args.video:""),args.gif&&this.gifRecorder&&this.gifRecorder.save("string"==typeof args.gif?args.gif:"")}}function bytesToSize(bytes){var k=1e3,sizes=["Bytes","KB","MB","GB","TB"];if(0===bytes)return"0 Bytes";var i=parseInt(Math.floor(Math.log(bytes)/Math.log(k)),10);return(bytes/Math.pow(k,i)).toPrecision(3)+" "+sizes[i]}function MediaStreamRecorder(mediaStream,config){var self=this;if(config=config||{},config.mimeType&&"video/webm"!==config.mimeType&&mediaStream.getVideoTracks&&mediaStream.getVideoTracks().length){var context=new AudioContext,mediaStreamSource=context.createMediaStreamSource(mediaStream),destination=context.createMediaStreamDestination();mediaStreamSource.connect(destination),mediaStream=destination.stream}var dataAvailable=!1;this.record=function(){mediaRecorder=new MediaRecorder(mediaStream),mediaRecorder.ondataavailable=function(e){if(!self.dontFireOnDataAvailableEvent&&!dataAvailable){if(!e.data.size)return void(config.disableLogs||console.warn("Recording of",e.data.type,"failed."));dataAvailable=!0,self.blob=new Blob([e.data],{type:e.data.type||config.mimeType||"audio/ogg"}),self.callback&&self.callback()}},mediaRecorder.onerror=function(error){config.disableLogs||console.warn(error),mediaRecorder.stop(),self.record(0)},mediaRecorder.start(0),config.onAudioProcessStarted&&config.onAudioProcessStarted(),config.initCallback&&config.initCallback()},this.stop=function(callback){mediaRecorder&&(this.callback=callback,"recording"===mediaRecorder.state&&mediaRecorder.stop())},this.pause=function(){mediaRecorder&&"recording"===mediaRecorder.state&&(mediaRecorder.pause(),config.disableLogs||console.debug("Paused recording."))},this.resume=function(){return mediaRecorder?this.dontFireOnDataAvailableEvent?(this.dontFireOnDataAvailableEvent=!1,dataAvailable=!1,void this.record()):void("paused"===mediaRecorder.state&&(mediaRecorder.resume(),config.disableLogs||console.debug("Resumed recording."))):void 0},this.clearRecordedData=function(){mediaRecorder&&(this.pause(),this.dontFireOnDataAvailableEvent=!0,this.stop(),config.disableLogs||console.debug("Cleared old recorded data."))};var mediaRecorder}function StereoAudioRecorder(mediaStream,config){function mergeLeftRightBuffers(config,callback){function mergeAudioBuffers(config,cb){function mergeBuffers(channelBuffer,rLength){for(var result=new Float64Array(rLength),offset=0,lng=channelBuffer.length,i=0;lng>i;i++){var buffer=channelBuffer[i];result.set(buffer,offset),offset+=buffer.length}return result}function interleave(leftChannel,rightChannel){for(var length=leftChannel.length+rightChannel.length,result=new Float64Array(length),inputIndex=0,index=0;length>index;)result[index++]=leftChannel[inputIndex],result[index++]=rightChannel[inputIndex],inputIndex++;return result}function writeUTFBytes(view,offset,string){for(var lng=string.length,i=0;lng>i;i++)view.setUint8(offset+i,string.charCodeAt(i))}var numberOfAudioChannels=config.numberOfAudioChannels,leftBuffers=config.leftBuffers.slice(0),rightBuffers=config.rightBuffers.slice(0),sampleRate=config.sampleRate,internalInterleavedLength=config.internalInterleavedLength;2===numberOfAudioChannels&&(leftBuffers=mergeBuffers(leftBuffers,internalInterleavedLength),rightBuffers=mergeBuffers(rightBuffers,internalInterleavedLength)),1===numberOfAudioChannels&&(leftBuffers=mergeBuffers(leftBuffers,internalInterleavedLength));var interleaved;2===numberOfAudioChannels&&(interleaved=interleave(leftBuffers,rightBuffers)),1===numberOfAudioChannels&&(interleaved=leftBuffers);var interleavedLength=interleaved.length,resultingBufferLength=44+2*interleavedLength,buffer=new ArrayBuffer(resultingBufferLength),view=new DataView(buffer);writeUTFBytes(view,0,"RIFF"),view.setUint32(4,44+2*interleavedLength,!0),writeUTFBytes(view,8,"WAVE"),writeUTFBytes(view,12,"fmt "),view.setUint32(16,16,!0),view.setUint16(20,1,!0),view.setUint16(22,numberOfAudioChannels,!0),view.setUint32(24,sampleRate,!0),view.setUint32(28,4*sampleRate,!0),view.setUint16(32,2*numberOfAudioChannels,!0),view.setUint16(34,16,!0),writeUTFBytes(view,36,"data"),view.setUint32(40,2*interleavedLength,!0);for(var lng=interleavedLength,index=44,volume=1,i=0;lng>i;i++)view.setInt16(index,32767*interleaved[i]*volume,!0),index+=2;return cb?cb({buffer:buffer,view:view}):void postMessage({buffer:buffer,view:view})}if(!isChrome)return void mergeAudioBuffers(config,function(data){callback(data.buffer,data.view)});var webWorker=processInWebWorker(mergeAudioBuffers);webWorker.onmessage=function(event){callback(event.data.buffer,event.data.view)},webWorker.postMessage(config)}function processInWebWorker(_function){var blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);return URL.revokeObjectURL(blob),worker}if(!mediaStream.getAudioTracks().length)throw"Your stream has no audio tracks.";config=config||{};var self=this,leftchannel=[],rightchannel=[],recording=!1,recordingLength=0,numberOfAudioChannels=2;config.leftChannel===!0&&(numberOfAudioChannels=1),1===config.numberOfAudioChannels&&(numberOfAudioChannels=1),config.disableLogs||console.debug("StereoAudioRecorder is set to record number of channels: ",numberOfAudioChannels);var legalBufferValues=[0,256,512,1024,2048,4096,8192,16384],bufferSize="undefined"==typeof config.bufferSize?4096:config.bufferSize;-1===legalBufferValues.indexOf(bufferSize)&&(config.disableLogs||console.warn("Legal values for buffer-size are "+JSON.stringify(legalBufferValues,null,"	")));var sampleRate="undefined"!=typeof config.sampleRate?config.sampleRate:context.sampleRate||44100;(22050>sampleRate||sampleRate>96e3)&&(config.disableLogs||console.warn("sample-rate must be under range 22050 and 96000.")),this.record=function(){leftchannel.length=rightchannel.length=0,recordingLength=0,recording=!0},this.stop=function(callback){recording=!1,audioInput.disconnect(),mergeLeftRightBuffers({sampleRate:sampleRate,numberOfAudioChannels:numberOfAudioChannels,internalInterleavedLength:recordingLength,leftBuffers:leftchannel,rightBuffers:1===numberOfAudioChannels?[]:rightchannel},function(buffer,view){self.blob=new Blob([view],{type:"audio/wav"}),self.buffer=new ArrayBuffer(view),self.view=view,self.sampleRate=sampleRate,self.bufferSize=bufferSize,self.length=recordingLength,callback&&callback(),isAudioProcessStarted=!1})},Storage.AudioContextConstructor||(Storage.AudioContextConstructor=new Storage.AudioContext);var context=Storage.AudioContextConstructor,audioInput=context.createMediaStreamSource(mediaStream);if(context.createJavaScriptNode)__stereoAudioRecorderJavacriptNode=context.createJavaScriptNode(bufferSize,numberOfAudioChannels,numberOfAudioChannels);else{if(!context.createScriptProcessor)throw"WebAudio API has no support on this browser.";__stereoAudioRecorderJavacriptNode=context.createScriptProcessor(bufferSize,numberOfAudioChannels,numberOfAudioChannels)}audioInput.connect(__stereoAudioRecorderJavacriptNode),bufferSize=__stereoAudioRecorderJavacriptNode.bufferSize,config.disableLogs||(console.log("sample-rate",sampleRate),console.log("buffer-size",bufferSize));var isPaused=!1;this.pause=function(){isPaused=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPaused=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){this.pause(),leftchannel.length=rightchannel.length=0,recordingLength=0,config.disableLogs||console.debug("Cleared old recorded data.")};var isAudioProcessStarted=!1;__stereoAudioRecorderJavacriptNode.onaudioprocess=function(e){if(!isPaused){if("active"in mediaStream?mediaStream.active||(__stereoAudioRecorderJavacriptNode.onaudioprocess=function(){},recording=!1):"ended"in mediaStream&&mediaStream.ended&&(__stereoAudioRecorderJavacriptNode.onaudioprocess=function(){},recording=!1),!recording)return void audioInput.disconnect();isAudioProcessStarted||(isAudioProcessStarted=!0,config.onAudioProcessStarted&&config.onAudioProcessStarted(),config.initCallback&&config.initCallback());var left=e.inputBuffer.getChannelData(0);if(leftchannel.push(new Float32Array(left)),2===numberOfAudioChannels){var right=e.inputBuffer.getChannelData(1);rightchannel.push(new Float32Array(right))}recordingLength+=bufferSize}},__stereoAudioRecorderJavacriptNode.connect(context.destination)}function CanvasRecorder(htmlElement,config){function drawCanvasFrame(){return isPausedRecording?(lastTime=(new Date).getTime(),setTimeout(drawCanvasFrame,100)):void html2canvas(htmlElement,{onrendered:function(canvas){var duration=(new Date).getTime()-lastTime;return duration?(lastTime=(new Date).getTime(),whammy.frames.push({duration:duration,image:canvas.toDataURL("image/webp")}),void(isRecording&&requestAnimationFrame(drawCanvasFrame))):drawCanvasFrame()}})}if("undefined"==typeof html2canvas)throw"Please link: //cdn.webrtc-experiment.com/screenshot.js";config=config||{};var isRecording;this.record=function(){isRecording=!0,whammy.frames=[],drawCanvasFrame(),config.initCallback&&config.initCallback()},this.stop=function(callback){isRecording=!1;var that=this;whammy.compile(function(blob){that.blob=blob,that.blob.forEach&&(that.blob=new Blob([],{type:"video/webm"})),callback&&callback(that.blob),whammy.frames=[]})};var isPausedRecording=!1;this.pause=function(){isPausedRecording=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPausedRecording=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){this.pause(),whammy.frames=[],config.disableLogs||console.debug("Cleared old recorded data.")};var lastTime=(new Date).getTime(),whammy=new Whammy.Video(100)}function WhammyRecorder(mediaStream,config){function drawFrames(){var duration=(new Date).getTime()-lastTime;return duration?isPausedRecording?(lastTime=(new Date).getTime(),setTimeout(drawFrames,100)):(lastTime=(new Date).getTime(),video.paused&&video.play(),context.drawImage(video,0,0,canvas.width,canvas.height),whammy.frames.push({duration:duration,image:canvas.toDataURL("image/webp")}),void(isStopDrawing||setTimeout(drawFrames,10))):setTimeout(drawFrames,10)}function dropBlackFrames(_frames,_framesToCheck,_pixTolerance,_frameTolerance){var localCanvas=document.createElement("canvas");localCanvas.width=canvas.width,localCanvas.height=canvas.height;for(var context2d=localCanvas.getContext("2d"),resultFrames=[],checkUntilNotBlack=-1===_framesToCheck,endCheckFrame=_framesToCheck&&_framesToCheck>0&&_framesToCheck<=_frames.length?_framesToCheck:_frames.length,sampleColor={r:0,g:0,b:0},maxColorDifference=Math.sqrt(Math.pow(255,2)+Math.pow(255,2)+Math.pow(255,2)),pixTolerance=_pixTolerance&&_pixTolerance>=0&&1>=_pixTolerance?_pixTolerance:0,frameTolerance=_frameTolerance&&_frameTolerance>=0&&1>=_frameTolerance?_frameTolerance:0,doNotCheckNext=!1,f=0;endCheckFrame>f;f++){var matchPixCount,endPixCheck,maxPixCount;if(!doNotCheckNext){var image=new Image;image.src=_frames[f].image,context2d.drawImage(image,0,0,canvas.width,canvas.height);var imageData=context2d.getImageData(0,0,canvas.width,canvas.height);matchPixCount=0,endPixCheck=imageData.data.length,maxPixCount=imageData.data.length/4;for(var pix=0;endPixCheck>pix;pix+=4){var currentColor={r:imageData.data[pix],g:imageData.data[pix+1],b:imageData.data[pix+2]},colorDifference=Math.sqrt(Math.pow(currentColor.r-sampleColor.r,2)+Math.pow(currentColor.g-sampleColor.g,2)+Math.pow(currentColor.b-sampleColor.b,2));maxColorDifference*pixTolerance>=colorDifference&&matchPixCount++}}!doNotCheckNext&&maxPixCount*frameTolerance>=maxPixCount-matchPixCount||(checkUntilNotBlack&&(doNotCheckNext=!0),resultFrames.push(_frames[f]))}return resultFrames=resultFrames.concat(_frames.slice(endCheckFrame)),resultFrames.length<=0&&resultFrames.push(_frames[_frames.length-1]),resultFrames}config=config||{},this.record=function(){config.width||(config.width=320),config.height||(config.height=240),config.video||(config.video={width:config.width,height:config.height}),config.canvas||(config.canvas={width:config.width,height:config.height}),canvas.width=config.canvas.width,canvas.height=config.canvas.height,context=canvas.getContext("2d"),config.video&&config.video instanceof HTMLVideoElement?(video=config.video.cloneNode(),config.initCallback&&config.initCallback()):(video=document.createElement("video"),"undefined"!=typeof video.srcObject?video.srcObject=mediaStream:video.src=URL.createObjectURL(mediaStream),video.onloadedmetadata=function(){config.initCallback&&config.initCallback()},video.width=config.video.width,video.height=config.video.height),video.muted=!0,video.play(),lastTime=(new Date).getTime(),whammy=new Whammy.Video,config.disableLogs||(console.log("canvas resolutions",canvas.width,"*",canvas.height),console.log("video width/height",video.width||canvas.width,"*",video.height||canvas.height)),drawFrames()};var isStopDrawing=!1;this.stop=function(callback){isStopDrawing=!0;var _this=this;setTimeout(function(){whammy.frames=dropBlackFrames(whammy.frames,-1),config.advertisement&&config.advertisement.length&&(whammy.frames=config.advertisement.concat(whammy.frames)),whammy.compile(function(blob){_this.blob=blob,_this.blob.forEach&&(_this.blob=new Blob([],{type:"video/webm"})),callback&&callback(_this.blob)})},10)};var isPausedRecording=!1;this.pause=function(){isPausedRecording=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPausedRecording=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){this.pause(),whammy.frames=[]};var video,lastTime,whammy,canvas=document.createElement("canvas"),context=canvas.getContext("2d")}function GifRecorder(mediaStream,config){if("undefined"==typeof GIFEncoder)throw"Please link: https://cdn.webrtc-experiment.com/gif-recorder.js";config=config||{},this.record=function(){function drawVideoFrame(time){return isPausedRecording?setTimeout(function(){drawVideoFrame(time)},100):(lastAnimationFrame=requestAnimationFrame(drawVideoFrame),void 0===typeof lastFrameTime&&(lastFrameTime=time),void(90>time-lastFrameTime||(video.paused&&video.play(),context.drawImage(video,0,0,canvas.width,canvas.height),config.onGifPreview&&config.onGifPreview(canvas.toDataURL("image/png")),gifEncoder.addFrame(context),lastFrameTime=time)))}config.width||(config.width=video.offsetWidth||320),this.height||(config.height=video.offsetHeight||240),config.video||(config.video={width:config.width,height:config.height}),config.canvas||(config.canvas={width:config.width,height:config.height}),canvas.width=config.canvas.width,canvas.height=config.canvas.height,video.width=config.video.width,video.height=config.video.height,gifEncoder=new GIFEncoder,gifEncoder.setRepeat(0),gifEncoder.setDelay(config.frameRate||200),gifEncoder.setQuality(config.quality||10),gifEncoder.start(),startTime=Date.now();lastAnimationFrame=requestAnimationFrame(drawVideoFrame),config.initCallback&&config.initCallback()},this.stop=function(){lastAnimationFrame&&cancelAnimationFrame(lastAnimationFrame),endTime=Date.now(),this.blob=new Blob([new Uint8Array(gifEncoder.stream().bin)],{type:"image/gif"}),gifEncoder.stream().bin=[]};var isPausedRecording=!1;this.pause=function(){isPausedRecording=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPausedRecording=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){gifEncoder&&(this.pause(),gifEncoder.stream().bin=[],config.disableLogs||console.debug("Cleared old recorded data."))};var canvas=document.createElement("canvas"),context=canvas.getContext("2d"),video=document.createElement("video");video.muted=!0,video.autoplay=!0,"undefined"!=typeof video.srcObject?video.srcObject=mediaStream:video.src=URL.createObjectURL(mediaStream),video.play();var startTime,endTime,lastFrameTime,gifEncoder,lastAnimationFrame=null}if(RecordRTC.getFromDisk=function(type,callback){if(!callback)throw"callback is mandatory.";console.log("Getting recorded "+("all"===type?"blobs":type+" blob ")+" from disk!"),DiskStorage.Fetch(function(dataURL,_type){"all"!==type&&_type===type+"Blob"&&callback&&callback(dataURL),"all"===type&&callback&&callback(dataURL,_type.replace("Blob",""))})},RecordRTC.writeToDisk=function(options){console.log("Writing recorded blob(s) to disk!"),options=options||{},options.audio&&options.video&&options.gif?options.audio.getDataURL(function(audioDataURL){options.video.getDataURL(function(videoDataURL){options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({audioBlob:audioDataURL,videoBlob:videoDataURL,gifBlob:gifDataURL})})})}):options.audio&&options.video?options.audio.getDataURL(function(audioDataURL){options.video.getDataURL(function(videoDataURL){DiskStorage.Store({audioBlob:audioDataURL,videoBlob:videoDataURL})})}):options.audio&&options.gif?options.audio.getDataURL(function(audioDataURL){options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({audioBlob:audioDataURL,gifBlob:gifDataURL})})}):options.video&&options.gif?options.video.getDataURL(function(videoDataURL){options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({videoBlob:videoDataURL,gifBlob:gifDataURL})})}):options.audio?options.audio.getDataURL(function(audioDataURL){DiskStorage.Store({audioBlob:audioDataURL})}):options.video?options.video.getDataURL(function(videoDataURL){DiskStorage.Store({videoBlob:videoDataURL})}):options.gif&&options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({gifBlob:gifDataURL})})},"undefined"!=typeof module&&(module.exports=RecordRTC),MRecordRTC.getFromDisk=RecordRTC.getFromDisk,MRecordRTC.writeToDisk=RecordRTC.writeToDisk,"undefined"==typeof requestAnimationFrame){if("undefined"!=typeof webkitRequestAnimationFrame)var requestAnimationFrame=webkitRequestAnimationFrame;if("undefined"!=typeof mozRequestAnimationFrame)var requestAnimationFrame=mozRequestAnimationFrame}if("undefined"==typeof cancelAnimationFrame){if("undefined"!=typeof webkitCancelAnimationFrame)var cancelAnimationFrame=webkitCancelAnimationFrame;if("undefined"!=typeof mozCancelAnimationFrame)var cancelAnimationFrame=mozCancelAnimationFrame}if("undefined"==typeof AudioContext){if("undefined"!=typeof webkitAudioContext)var AudioContext=webkitAudioContext;if("undefined"!=typeof mozAudioContext)var AudioContext=mozAudioContext}if("undefined"==typeof URL&&"undefined"!=typeof webkitURL)var URL=webkitURL;var isChrome=!0;if("undefined"!=typeof navigator)"undefined"!=typeof navigator.webkitGetUserMedia&&(navigator.getUserMedia=navigator.webkitGetUserMedia),"undefined"!=typeof navigator.mozGetUserMedia&&(navigator.getUserMedia=navigator.mozGetUserMedia),isChrome="undefined"!=typeof navigator.webkitGetUserMedia;else var navigator={getUserMedia:{}};if("undefined"!=typeof webkitMediaStream)var MediaStream=webkitMediaStream;"undefined"!=typeof location&&0===location.href.indexOf("file:")&&console.error("Please load this HTML file on HTTP or HTTPS.");var Storage={};"undefined"!=typeof AudioContext?Storage.AudioContext=AudioContext:"undefined"!=typeof webkitAudioContext&&(Storage.AudioContext=webkitAudioContext);var __stereoAudioRecorderJavacriptNode,Whammy=function(){function WhammyVideo(duration){this.frames=[],this.duration=duration||1,this.quality=100}function processInWebWorker(_function){var blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);return URL.revokeObjectURL(blob),worker}function whammyInWebWorker(frames){function ArrayToWebM(frames){var info=checkFrames(frames);if(!info)return[];for(var clusterMaxDuration=3e4,EBML=[{id:440786851,data:[{data:1,id:17030},{data:1,id:17143},{data:4,id:17138},{data:8,id:17139},{data:"webm",id:17026},{data:2,id:17031},{data:2,id:17029}]},{id:408125543,data:[{id:357149030,data:[{data:1e6,id:2807729},{data:"whammy",id:19840},{data:"whammy",id:22337},{data:doubleToString(info.duration),id:17545}]},{id:374648427,data:[{id:174,data:[{data:1,id:215},{data:1,id:29637},{data:0,id:156},{data:"und",id:2274716},{data:"V_VP8",id:134},{data:"VP8",id:2459272},{data:1,id:131},{id:224,data:[{data:info.width,id:176},{data:info.height,id:186}]}]}]}]}],frameNumber=0,clusterTimecode=0;frameNumber<frames.length;){var clusterFrames=[],clusterDuration=0;do clusterFrames.push(frames[frameNumber]),clusterDuration+=frames[frameNumber].duration,frameNumber++;while(frameNumber<frames.length&&clusterMaxDuration>clusterDuration);var clusterCounter=0,cluster={id:524531317,data:getClusterData(clusterTimecode,clusterCounter,clusterFrames)};EBML[1].data.push(cluster),clusterTimecode+=clusterDuration}return generateEBML(EBML)}function getClusterData(clusterTimecode,clusterCounter,clusterFrames){return[{data:clusterTimecode,id:231}].concat(clusterFrames.map(function(webp){var block=makeSimpleBlock({discardable:0,frame:webp.data.slice(4),invisible:0,keyframe:1,lacing:0,trackNum:1,timecode:Math.round(clusterCounter)});return clusterCounter+=webp.duration,{data:block,id:163}}))}function checkFrames(frames){if(!frames[0])return void postMessage({error:"Something went wrong. Maybe WebP format is not supported in the current browser."});for(var width=frames[0].width,height=frames[0].height,duration=frames[0].duration,i=1;i<frames.length;i++)duration+=frames[i].duration;return{duration:duration,width:width,height:height}}function numToBuffer(num){for(var parts=[];num>0;)parts.push(255&num),num>>=8;return new Uint8Array(parts.reverse())}function strToBuffer(str){return new Uint8Array(str.split("").map(function(e){return e.charCodeAt(0)}))}function bitsToBuffer(bits){var data=[],pad=bits.length%8?new Array(9-bits.length%8).join("0"):"";bits=pad+bits;for(var i=0;i<bits.length;i+=8)data.push(parseInt(bits.substr(i,8),2));return new Uint8Array(data)}function generateEBML(json){for(var ebml=[],i=0;i<json.length;i++){var data=json[i].data;"object"==typeof data&&(data=generateEBML(data)),"number"==typeof data&&(data=bitsToBuffer(data.toString(2))),"string"==typeof data&&(data=strToBuffer(data));var len=data.size||data.byteLength||data.length,zeroes=Math.ceil(Math.ceil(Math.log(len)/Math.log(2))/8),sizeToString=len.toString(2),padded=new Array(7*zeroes+7+1-sizeToString.length).join("0")+sizeToString,size=new Array(zeroes).join("0")+"1"+padded;ebml.push(numToBuffer(json[i].id)),ebml.push(bitsToBuffer(size)),ebml.push(data)}return new Blob(ebml,{type:"video/webm"})}function makeSimpleBlock(data){var flags=0;if(data.keyframe&&(flags|=128),data.invisible&&(flags|=8),data.lacing&&(flags|=data.lacing<<1),data.discardable&&(flags|=1),data.trackNum>127)throw"TrackNumber > 127 not supported";var out=[128|data.trackNum,data.timecode>>8,255&data.timecode,flags].map(function(e){return String.fromCharCode(e)}).join("")+data.frame;return out}function parseWebP(riff){for(var VP8=riff.RIFF[0].WEBP[0],frameStart=VP8.indexOf("
*"),i=0,c=[];4>i;i++)c[i]=VP8.charCodeAt(frameStart+3+i);var width,height,tmp;return tmp=c[1]<<8|c[0],width=16383&tmp,tmp=c[3]<<8|c[2],height=16383&tmp,{width:width,height:height,data:VP8,riff:riff}}function getStrLength(string,offset){return parseInt(string.substr(offset+4,4).split("").map(function(i){var unpadded=i.charCodeAt(0).toString(2);return new Array(8-unpadded.length+1).join("0")+unpadded}).join(""),2);
-}function parseRIFF(string){for(var offset=0,chunks={};offset<string.length;){var id=string.substr(offset,4),len=getStrLength(string,offset),data=string.substr(offset+4+4,len);offset+=8+len,chunks[id]=chunks[id]||[],"RIFF"===id||"LIST"===id?chunks[id].push(parseRIFF(data)):chunks[id].push(data)}return chunks}function doubleToString(num){return[].slice.call(new Uint8Array(new Float64Array([num]).buffer),0).map(function(e){return String.fromCharCode(e)}).reverse().join("")}var webm=new ArrayToWebM(frames.map(function(frame){var webp=parseWebP(parseRIFF(atob(frame.image.slice(23))));return webp.duration=frame.duration,webp}));postMessage(webm)}return WhammyVideo.prototype.add=function(frame,duration){if("canvas"in frame&&(frame=frame.canvas),"toDataURL"in frame&&(frame=frame.toDataURL("image/webp",this.quality)),!/^data:image\/webp;base64,/gi.test(frame))throw"Input must be formatted properly as a base64 encoded DataURI of type image/webp";this.frames.push({image:frame,duration:duration||this.duration})},WhammyVideo.prototype.compile=function(callback){var webWorker=processInWebWorker(whammyInWebWorker);webWorker.onmessage=function(event){return event.data.error?void console.error(event.data.error):void callback(event.data)},webWorker.postMessage(this.frames)},{Video:WhammyVideo}}(),DiskStorage={init:function(){function createObjectStore(dataBase){dataBase.createObjectStore(self.dataStoreName)}function putInDB(){function getFromStore(portionName){transaction.objectStore(self.dataStoreName).get(portionName).onsuccess=function(event){self.callback&&self.callback(event.target.result,portionName)}}var transaction=db.transaction([self.dataStoreName],"readwrite");self.videoBlob&&transaction.objectStore(self.dataStoreName).put(self.videoBlob,"videoBlob"),self.gifBlob&&transaction.objectStore(self.dataStoreName).put(self.gifBlob,"gifBlob"),self.audioBlob&&transaction.objectStore(self.dataStoreName).put(self.audioBlob,"audioBlob"),getFromStore("audioBlob"),getFromStore("videoBlob"),getFromStore("gifBlob")}var indexedDB,self=this;"undefined"!=typeof webkitIndexedDB&&(indexedDB=webkitIndexedDB),"undefined"!=typeof mozIndexedDB&&(indexedDB=mozIndexedDB),"undefined"!=typeof OIndexedDB&&(indexedDB=OIndexedDB),"undefined"!=typeof msIndexedDB&&(indexedDB=msIndexedDB);var db,dbVersion=1,dbName=this.dbName||location.href.replace(/\/|:|#|%|\.|\[|\]/g,""),request=indexedDB.open(dbName,dbVersion);request.onerror=self.onError,request.onsuccess=function(){if(db=request.result,db.onerror=self.onError,db.setVersion)if(db.version!==dbVersion){var setVersion=db.setVersion(dbVersion);setVersion.onsuccess=function(){createObjectStore(db),putInDB()}}else putInDB();else putInDB()},request.onupgradeneeded=function(event){createObjectStore(event.target.result)}},Fetch:function(callback){return this.callback=callback,this.init(),this},Store:function(config){return this.audioBlob=config.audioBlob,this.videoBlob=config.videoBlob,this.gifBlob=config.gifBlob,this.init(),this},onError:function(error){console.error(JSON.stringify(error,null,"	"))},dataStoreName:"recordRTC",dbName:null};
+"use strict";function RecordRTC(mediaStream,config){function startRecording(){return config.disableLogs||console.debug("started recording "+config.type+" stream."),mediaRecorder?(mediaRecorder.clearRecordedData(),mediaRecorder.resume(),self.recordingDuration&&setTimeout(function(){stopRecording(self.onRecordingStopped)},self.recordingDuration),self):(initRecorder(function(){self.recordingDuration&&setTimeout(function(){stopRecording(self.onRecordingStopped)},self.recordingDuration)}),self)}function initRecorder(initCallback){config.disableLogs||console.debug("initializing "+config.type+" stream recorder.");var Recorder;if("undefined"!=typeof StereoAudioRecorder&&isChrome&&(Recorder=StereoAudioRecorder),"undefined"==typeof MediaStreamRecorder||isChrome||(Recorder=MediaStreamRecorder),"video"===config.type&&isChrome){if("undefined"==typeof WhammyRecorder)throw"WhammyRecorder.js seems NOT linked.";Recorder=WhammyRecorder}if("gif"===config.type){if("undefined"==typeof GifRecorder)throw"GifRecorder.js seems NOT linked.";Recorder=GifRecorder}if("canvas"===config.type){if("undefined"==typeof CanvasRecorder)throw"CanvasRecorder.js seems NOT linked.";Recorder=CanvasRecorder}config.recorderType&&(Recorder=config.recorderType),initCallback&&(config.initCallback=function(){initCallback(),initCallback=config.initCallback=null}),mediaRecorder=new Recorder(mediaStream,config),mediaRecorder.record()}function stopRecording(callback){function _callback(){for(var item in mediaRecorder)self&&(self[item]=mediaRecorder[item]),recordRTC&&(recordRTC[item]=mediaRecorder[item]);var blob=mediaRecorder.blob;if(callback){var url=URL.createObjectURL(blob);callback(url)}blob&&!config.disableLogs&&console.debug(blob.type,"->",bytesToSize(blob.size)),config.autoWriteToDisk&&getDataURL(function(dataURL){var parameter={};parameter[config.type+"Blob"]=dataURL,DiskStorage.Store(parameter)})}if(!mediaRecorder)return console.warn(WARNING);var recordRTC=this;config.disableLogs||console.warn("Stopped recording "+config.type+" stream."),"gif"!==config.type?mediaRecorder.stop(_callback):(mediaRecorder.stop(),_callback())}function pauseRecording(){return mediaRecorder?void(mediaRecorder.pause?mediaRecorder.pause():config.disableLogs||console.warn('This recording library is having no "pause" method.')):console.warn(WARNING)}function resumeRecording(){return mediaRecorder?void(mediaRecorder.resume?mediaRecorder.resume():config.disableLogs||console.warn('This recording library is having no "resume" method.')):console.warn(WARNING)}function getDataURL(callback,_mediaRecorder){function processInWebWorker(_function){var blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);return URL.revokeObjectURL(blob),worker}if(!callback)throw"Pass a callback function over getDataURL.";var blob=_mediaRecorder?_mediaRecorder.blob:mediaRecorder.blob;if(!blob)return config.disableLogs||console.warn("Blob encoder did not yet finished its job."),void setTimeout(function(){getDataURL(callback,_mediaRecorder)},1e3);if("undefined"!=typeof Worker){var webWorker=processInWebWorker(function(_blob){postMessage((new FileReaderSync).readAsDataURL(_blob))});webWorker.onmessage=function(event){callback(event.data)},webWorker.postMessage(blob)}else{var reader=new FileReader;reader.readAsDataURL(blob),reader.onload=function(event){callback(event.target.result)}}}if(config=config||{},!mediaStream)throw"MediaStream is mandatory.";config.type||(config.type="audio");var mediaRecorder,self=this,WARNING='It seems that "startRecording" is not invoked for '+config.type+" recorder.",returnObject={startRecording:startRecording,stopRecording:stopRecording,pauseRecording:pauseRecording,resumeRecording:resumeRecording,initRecorder:initRecorder,setRecordingDuration:function(milliseconds,callback){if("undefined"==typeof milliseconds)throw"milliseconds is required.";if("number"!=typeof milliseconds)throw"milliseconds must be a number.";return self.recordingDuration=milliseconds,self.onRecordingStopped=callback||function(){},{onRecordingStopped:function(callback){self.onRecordingStopped=callback}}},clearRecordedData:function(){return mediaRecorder?void mediaRecorder.clearRecordedData():console.warn(WARNING)},getBlob:function(){return mediaRecorder?mediaRecorder.blob:console.warn(WARNING)},getDataURL:getDataURL,toURL:function(){return mediaRecorder?URL.createObjectURL(mediaRecorder.blob):console.warn(WARNING)},save:function(fileName){if(!mediaRecorder){var that=this;return setTimeout(function(){that.save(fileName)},2e3),console.warn(WARNING)}var fileFullName=(fileName||Math.round(9999999999*Math.random())[phone])+"."+mediaRecorder.blob.type.split("/")[1];if("undefined"!=typeof navigator.msSaveOrOpenBlob)return navigator.msSaveOrOpenBlob(mediaRecorder.blob,fileFullName);if("undefined"!=typeof navigator.msSaveBlob)return navigator.msSaveBlob(mediaRecorder.blob,fileFullName);var hyperlink=document.createElement("a");hyperlink.href=URL.createObjectURL(mediaRecorder.blob),hyperlink.target="_blank",hyperlink.download=fileFullName;var evt=new MouseEvent("click",{view:window,bubbles:!0,cancelable:!0});hyperlink.dispatchEvent(evt),URL.revokeObjectURL(hyperlink.href)},getFromDisk:function(callback){return mediaRecorder?void RecordRTC.getFromDisk(config.type,callback):console.warn(WARNING)},setAdvertisementArray:function(arrayOfWebPImages){config.advertisement=[];for(var length=arrayOfWebPImages.length,i=0;length>i;i++)config.advertisement.push({duration:i,image:arrayOfWebPImages[i]})},blob:null,bufferSize:0,sampleRate:0,buffer:null,view:null};if(!this)return self=returnObject,returnObject;for(var prop in returnObject)this[prop]=returnObject[prop];return self=this,returnObject}function MRecordRTC(mediaStream){this.addStream=function(_mediaStream){_mediaStream&&(mediaStream=_mediaStream)},this.mediaType={audio:!0,video:!0},this.startRecording=function(){!isChrome&&mediaStream&&mediaStream.getAudioTracks&&mediaStream.getAudioTracks().length&&mediaStream.getVideoTracks().length&&(this.mediaType.audio=!1),this.mediaType.audio&&(this.audioRecorder=new RecordRTC(mediaStream,{type:"audio",bufferSize:this.bufferSize,sampleRate:this.sampleRate}),this.audioRecorder.startRecording()),this.mediaType.video&&(this.videoRecorder=new RecordRTC(mediaStream,{type:"video",video:this.video,canvas:this.canvas}),this.videoRecorder.startRecording()),this.mediaType.gif&&(this.gifRecorder=new RecordRTC(mediaStream,{type:"gif",frameRate:this.frameRate||200,quality:this.quality||10}),this.gifRecorder.startRecording())},this.stopRecording=function(callback){callback=callback||function(){},this.audioRecorder&&this.audioRecorder.stopRecording(function(blobURL){callback(blobURL,"audio")}),this.videoRecorder&&this.videoRecorder.stopRecording(function(blobURL){callback(blobURL,"video")}),this.gifRecorder&&this.gifRecorder.stopRecording(function(blobURL){callback(blobURL,"gif")})},this.getBlob=function(callback){var output={};return this.audioRecorder&&(output.audio=this.audioRecorder.getBlob()),this.videoRecorder&&(output.video=this.videoRecorder.getBlob()),this.gifRecorder&&(output.gif=this.gifRecorder.getBlob()),callback&&callback(output),output},this.getDataURL=function(callback){function getDataURL(blob,callback00){if("undefined"!=typeof Worker){var webWorker=processInWebWorker(function(_blob){postMessage((new FileReaderSync).readAsDataURL(_blob))});webWorker.onmessage=function(event){callback00(event.data)},webWorker.postMessage(blob)}else{var reader=new FileReader;reader.readAsDataURL(blob),reader.onload=function(event){callback00(event.target.result)}}}function processInWebWorker(_function){var url,blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);if("undefined"!=typeof URL)url=URL;else{if("undefined"==typeof webkitURL)throw"Neither URL nor webkitURL detected.";url=webkitURL}return url.revokeObjectURL(blob),worker}this.getBlob(function(blob){getDataURL(blob.audio,function(_audioDataURL){getDataURL(blob.video,function(_videoDataURL){callback({audio:_audioDataURL,video:_videoDataURL})})})})},this.writeToDisk=function(){RecordRTC.writeToDisk({audio:this.audioRecorder,video:this.videoRecorder,gif:this.gifRecorder})},this.save=function(args){args=args||{audio:!0,video:!0,gif:!0},args.audio&&this.audioRecorder&&this.audioRecorder.save("string"==typeof args.audio?args.audio:""),args.video&&this.videoRecorder&&this.videoRecorder.save("string"==typeof args.video?args.video:""),args.gif&&this.gifRecorder&&this.gifRecorder.save("string"==typeof args.gif?args.gif:"")}}function bytesToSize(bytes){var k=1e3,sizes=["Bytes","KB","MB","GB","TB"];if(0===bytes)return"0 Bytes";var i=parseInt(Math.floor(Math.log(bytes)/Math.log(k)),10);return(bytes/Math.pow(k,i)).toPrecision(3)+" "+sizes[i]}function MediaStreamRecorder(mediaStream,config){var self=this;if(config=config||{},config.mimeType&&"video/webm"!==config.mimeType&&mediaStream.getVideoTracks&&mediaStream.getVideoTracks().length){var context=new AudioContext,mediaStreamSource=context.createMediaStreamSource(mediaStream),destination=context.createMediaStreamDestination();mediaStreamSource.connect(destination),mediaStream=destination.stream}var dataAvailable=!1;this.record=function(){mediaRecorder=new MediaRecorder(mediaStream),mediaRecorder.ondataavailable=function(e){if(!self.dontFireOnDataAvailableEvent&&!dataAvailable){if(!e.data.size)return void(config.disableLogs||console.warn("Recording of",e.data.type,"failed."));dataAvailable=!0,self.blob=new Blob([e.data],{type:e.data.type||config.mimeType||"audio/ogg"}),self.callback&&self.callback()}},mediaRecorder.onerror=function(error){config.disableLogs||console.warn(error),mediaRecorder.stop(),self.record(0)},mediaRecorder.start(0),config.onAudioProcessStarted&&config.onAudioProcessStarted(),config.initCallback&&config.initCallback()},this.stop=function(callback){mediaRecorder&&(this.callback=callback,"recording"===mediaRecorder.state&&mediaRecorder.stop())},this.pause=function(){mediaRecorder&&"recording"===mediaRecorder.state&&(mediaRecorder.pause(),config.disableLogs||console.debug("Paused recording."))},this.resume=function(){return mediaRecorder?this.dontFireOnDataAvailableEvent?(this.dontFireOnDataAvailableEvent=!1,dataAvailable=!1,void this.record()):void("paused"===mediaRecorder.state&&(mediaRecorder.resume(),config.disableLogs||console.debug("Resumed recording."))):void 0},this.clearRecordedData=function(){mediaRecorder&&(this.pause(),this.dontFireOnDataAvailableEvent=!0,this.stop(),config.disableLogs||console.debug("Cleared old recorded data."))};var mediaRecorder}function StereoAudioRecorder(mediaStream,config){function mergeLeftRightBuffers(config,callback){function mergeAudioBuffers(config,cb){function mergeBuffers(channelBuffer,rLength){for(var result=new Float64Array(rLength),offset=0,lng=channelBuffer.length,i=0;lng>i;i++){var buffer=channelBuffer[i];result.set(buffer,offset),offset+=buffer.length}return result}function interleave(leftChannel,rightChannel){for(var length=leftChannel.length+rightChannel.length,result=new Float64Array(length),inputIndex=0,index=0;length>index;)result[index++]=leftChannel[inputIndex],result[index++]=rightChannel[inputIndex],inputIndex++;return result}function writeUTFBytes(view,offset,string){for(var lng=string.length,i=0;lng>i;i++)view.setUint8(offset+i,string.charCodeAt(i))}var numberOfAudioChannels=config.numberOfAudioChannels,leftBuffers=config.leftBuffers.slice(0),rightBuffers=config.rightBuffers.slice(0),sampleRate=config.sampleRate,internalInterleavedLength=config.internalInterleavedLength;2===numberOfAudioChannels&&(leftBuffers=mergeBuffers(leftBuffers,internalInterleavedLength),rightBuffers=mergeBuffers(rightBuffers,internalInterleavedLength)),1===numberOfAudioChannels&&(leftBuffers=mergeBuffers(leftBuffers,internalInterleavedLength));var interleaved;2===numberOfAudioChannels&&(interleaved=interleave(leftBuffers,rightBuffers)),1===numberOfAudioChannels&&(interleaved=leftBuffers);var interleavedLength=interleaved.length,resultingBufferLength=44+2*interleavedLength,buffer=new ArrayBuffer(resultingBufferLength),view=new DataView(buffer);writeUTFBytes(view,0,"RIFF"),view.setUint32(4,44+2*interleavedLength,!0),writeUTFBytes(view,8,"WAVE"),writeUTFBytes(view,12,"fmt "),view.setUint32(16,16,!0),view.setUint16(20,1,!0),view.setUint16(22,numberOfAudioChannels,!0),view.setUint32(24,sampleRate,!0),view.setUint32(28,4*sampleRate,!0),view.setUint16(32,2*numberOfAudioChannels,!0),view.setUint16(34,16,!0),writeUTFBytes(view,36,"data"),view.setUint32(40,2*interleavedLength,!0);for(var lng=interleavedLength,index=44,volume=1,i=0;lng>i;i++)view.setInt16(index,32767*interleaved[i]*volume,!0),index+=2;return cb?cb({buffer:buffer,view:view}):void postMessage({buffer:buffer,view:view})}if(!isChrome)return void mergeAudioBuffers(config,function(data){callback(data.buffer,data.view)});var webWorker=processInWebWorker(mergeAudioBuffers);webWorker.onmessage=function(event){callback(event.data.buffer,event.data.view)},webWorker.postMessage(config)}function processInWebWorker(_function){var blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);return URL.revokeObjectURL(blob),worker}if(!mediaStream.getAudioTracks().length)throw"Your stream has no audio tracks.";config=config||{};var self=this,leftchannel=[],rightchannel=[],recording=!1,recordingLength=0,numberOfAudioChannels=2;config.leftChannel===!0&&(numberOfAudioChannels=1),1===config.numberOfAudioChannels&&(numberOfAudioChannels=1),config.disableLogs||console.debug("StereoAudioRecorder is set to record number of channels: ",numberOfAudioChannels),this.record=function(){leftchannel.length=rightchannel.length=0,recordingLength=0,recording=!0},this.stop=function(callback){recording=!1,audioInput.disconnect(),mergeLeftRightBuffers({sampleRate:sampleRate,numberOfAudioChannels:numberOfAudioChannels,internalInterleavedLength:recordingLength,leftBuffers:leftchannel,rightBuffers:1===numberOfAudioChannels?[]:rightchannel},function(buffer,view){self.blob=new Blob([view],{type:"audio/wav"}),self.buffer=new ArrayBuffer(view),self.view=view,self.sampleRate=sampleRate,self.bufferSize=bufferSize,self.length=recordingLength,callback&&callback(),isAudioProcessStarted=!1})},Storage.AudioContextConstructor||(Storage.AudioContextConstructor=new Storage.AudioContext);var context=Storage.AudioContextConstructor,audioInput=context.createMediaStreamSource(mediaStream);if(context.createJavaScriptNode)__stereoAudioRecorderJavacriptNode=context.createJavaScriptNode(bufferSize,numberOfAudioChannels,numberOfAudioChannels);else{if(!context.createScriptProcessor)throw"WebAudio API has no support on this browser.";__stereoAudioRecorderJavacriptNode=context.createScriptProcessor(bufferSize,numberOfAudioChannels,numberOfAudioChannels)}audioInput.connect(__stereoAudioRecorderJavacriptNode);var legalBufferValues=[0,256,512,1024,2048,4096,8192,16384],bufferSize="undefined"==typeof config.bufferSize?4096:config.bufferSize;-1===legalBufferValues.indexOf(bufferSize)&&(config.disableLogs||console.warn("Legal values for buffer-size are "+JSON.stringify(legalBufferValues,null,"	"))),config.bufferSize||(bufferSize=__stereoAudioRecorderJavacriptNode.bufferSize);var sampleRate="undefined"!=typeof config.sampleRate?config.sampleRate:context.sampleRate||44100;(22050>sampleRate||sampleRate>96e3)&&(config.disableLogs||console.warn("sample-rate must be under range 22050 and 96000.")),config.disableLogs||(console.log("sample-rate",sampleRate),console.log("buffer-size",bufferSize));var isPaused=!1;this.pause=function(){isPaused=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPaused=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){this.pause(),leftchannel.length=rightchannel.length=0,recordingLength=0,config.disableLogs||console.debug("Cleared old recorded data.")};var isAudioProcessStarted=!1;__stereoAudioRecorderJavacriptNode.onaudioprocess=function(e){if(!isPaused){if("active"in mediaStream?mediaStream.active||(__stereoAudioRecorderJavacriptNode.onaudioprocess=function(){},recording=!1):"ended"in mediaStream&&mediaStream.ended&&(__stereoAudioRecorderJavacriptNode.onaudioprocess=function(){},recording=!1),!recording)return void audioInput.disconnect();isAudioProcessStarted||(isAudioProcessStarted=!0,config.onAudioProcessStarted&&config.onAudioProcessStarted(),config.initCallback&&config.initCallback());var left=e.inputBuffer.getChannelData(0);if(leftchannel.push(new Float32Array(left)),2===numberOfAudioChannels){var right=e.inputBuffer.getChannelData(1);rightchannel.push(new Float32Array(right))}recordingLength+=bufferSize}},__stereoAudioRecorderJavacriptNode.connect(context.destination)}function CanvasRecorder(htmlElement,config){function drawCanvasFrame(){return isPausedRecording?(lastTime=(new Date).getTime(),setTimeout(drawCanvasFrame,100)):void html2canvas(htmlElement,{onrendered:function(canvas){var duration=(new Date).getTime()-lastTime;return duration?(lastTime=(new Date).getTime(),whammy.frames.push({duration:duration,image:canvas.toDataURL("image/webp")}),void(isRecording&&requestAnimationFrame(drawCanvasFrame))):drawCanvasFrame()}})}if("undefined"==typeof html2canvas)throw"Please link: //cdn.webrtc-experiment.com/screenshot.js";config=config||{};var isRecording;this.record=function(){isRecording=!0,whammy.frames=[],drawCanvasFrame(),config.initCallback&&config.initCallback()},this.stop=function(callback){isRecording=!1;var that=this;whammy.compile(function(blob){that.blob=blob,that.blob.forEach&&(that.blob=new Blob([],{type:"video/webm"})),callback&&callback(that.blob),whammy.frames=[]})};var isPausedRecording=!1;this.pause=function(){isPausedRecording=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPausedRecording=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){this.pause(),whammy.frames=[],config.disableLogs||console.debug("Cleared old recorded data.")};var lastTime=(new Date).getTime(),whammy=new Whammy.Video(100)}function WhammyRecorder(mediaStream,config){function drawFrames(){var duration=(new Date).getTime()-lastTime;return duration?isPausedRecording?(lastTime=(new Date).getTime(),setTimeout(drawFrames,100)):(lastTime=(new Date).getTime(),video.paused&&video.play(),context.drawImage(video,0,0,canvas.width,canvas.height),whammy.frames.push({duration:duration,image:canvas.toDataURL("image/webp")}),void(isStopDrawing||setTimeout(drawFrames,10))):setTimeout(drawFrames,10)}function dropBlackFrames(_frames,_framesToCheck,_pixTolerance,_frameTolerance){var localCanvas=document.createElement("canvas");localCanvas.width=canvas.width,localCanvas.height=canvas.height;for(var context2d=localCanvas.getContext("2d"),resultFrames=[],checkUntilNotBlack=-1===_framesToCheck,endCheckFrame=_framesToCheck&&_framesToCheck>0&&_framesToCheck<=_frames.length?_framesToCheck:_frames.length,sampleColor={r:0,g:0,b:0},maxColorDifference=Math.sqrt(Math.pow(255,2)+Math.pow(255,2)+Math.pow(255,2)),pixTolerance=_pixTolerance&&_pixTolerance>=0&&1>=_pixTolerance?_pixTolerance:0,frameTolerance=_frameTolerance&&_frameTolerance>=0&&1>=_frameTolerance?_frameTolerance:0,doNotCheckNext=!1,f=0;endCheckFrame>f;f++){var matchPixCount,endPixCheck,maxPixCount;if(!doNotCheckNext){var image=new Image;image.src=_frames[f].image,context2d.drawImage(image,0,0,canvas.width,canvas.height);var imageData=context2d.getImageData(0,0,canvas.width,canvas.height);matchPixCount=0,endPixCheck=imageData.data.length,maxPixCount=imageData.data.length/4;for(var pix=0;endPixCheck>pix;pix+=4){var currentColor={r:imageData.data[pix],g:imageData.data[pix+1],b:imageData.data[pix+2]},colorDifference=Math.sqrt(Math.pow(currentColor.r-sampleColor.r,2)+Math.pow(currentColor.g-sampleColor.g,2)+Math.pow(currentColor.b-sampleColor.b,2));maxColorDifference*pixTolerance>=colorDifference&&matchPixCount++}}!doNotCheckNext&&maxPixCount*frameTolerance>=maxPixCount-matchPixCount||(checkUntilNotBlack&&(doNotCheckNext=!0),resultFrames.push(_frames[f]))}return resultFrames=resultFrames.concat(_frames.slice(endCheckFrame)),resultFrames.length<=0&&resultFrames.push(_frames[_frames.length-1]),resultFrames}config=config||{},this.record=function(){config.width||(config.width=320),config.height||(config.height=240),config.video||(config.video={width:config.width,height:config.height}),config.canvas||(config.canvas={width:config.width,height:config.height}),canvas.width=config.canvas.width,canvas.height=config.canvas.height,context=canvas.getContext("2d"),config.video&&config.video instanceof HTMLVideoElement?(video=config.video.cloneNode(),config.initCallback&&config.initCallback()):(video=document.createElement("video"),"undefined"!=typeof video.srcObject?video.srcObject=mediaStream:video.src=URL.createObjectURL(mediaStream),video.onloadedmetadata=function(){config.initCallback&&config.initCallback()},video.width=config.video.width,video.height=config.video.height),video.muted=!0,video.play(),lastTime=(new Date).getTime(),whammy=new Whammy.Video,config.disableLogs||(console.log("canvas resolutions",canvas.width,"*",canvas.height),console.log("video width/height",video.width||canvas.width,"*",video.height||canvas.height)),drawFrames()};var isStopDrawing=!1;this.stop=function(callback){isStopDrawing=!0;var _this=this;setTimeout(function(){whammy.frames=dropBlackFrames(whammy.frames,-1),config.advertisement&&config.advertisement.length&&(whammy.frames=config.advertisement.concat(whammy.frames)),whammy.compile(function(blob){_this.blob=blob,_this.blob.forEach&&(_this.blob=new Blob([],{type:"video/webm"})),callback&&callback(_this.blob)})},10)};var isPausedRecording=!1;this.pause=function(){isPausedRecording=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPausedRecording=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){this.pause(),whammy.frames=[]};var video,lastTime,whammy,canvas=document.createElement("canvas"),context=canvas.getContext("2d")}function GifRecorder(mediaStream,config){if("undefined"==typeof GIFEncoder)throw"Please link: https://cdn.webrtc-experiment.com/gif-recorder.js";config=config||{},this.record=function(){function drawVideoFrame(time){return isPausedRecording?setTimeout(function(){drawVideoFrame(time)},100):(lastAnimationFrame=requestAnimationFrame(drawVideoFrame),void 0===typeof lastFrameTime&&(lastFrameTime=time),void(90>time-lastFrameTime||(video.paused&&video.play(),context.drawImage(video,0,0,canvas.width,canvas.height),config.onGifPreview&&config.onGifPreview(canvas.toDataURL("image/png")),gifEncoder.addFrame(context),lastFrameTime=time)))}config.width||(config.width=video.offsetWidth||320),this.height||(config.height=video.offsetHeight||240),config.video||(config.video={width:config.width,height:config.height}),config.canvas||(config.canvas={width:config.width,height:config.height}),canvas.width=config.canvas.width,canvas.height=config.canvas.height,video.width=config.video.width,video.height=config.video.height,gifEncoder=new GIFEncoder,gifEncoder.setRepeat(0),gifEncoder.setDelay(config.frameRate||200),gifEncoder.setQuality(config.quality||10),gifEncoder.start(),startTime=Date.now();lastAnimationFrame=requestAnimationFrame(drawVideoFrame),config.initCallback&&config.initCallback()},this.stop=function(){lastAnimationFrame&&cancelAnimationFrame(lastAnimationFrame),endTime=Date.now(),this.blob=new Blob([new Uint8Array(gifEncoder.stream().bin)],{type:"image/gif"}),gifEncoder.stream().bin=[]};var isPausedRecording=!1;this.pause=function(){isPausedRecording=!0,config.disableLogs||console.debug("Paused recording.")},this.resume=function(){isPausedRecording=!1,config.disableLogs||console.debug("Resumed recording.")},this.clearRecordedData=function(){gifEncoder&&(this.pause(),gifEncoder.stream().bin=[],config.disableLogs||console.debug("Cleared old recorded data."))};var canvas=document.createElement("canvas"),context=canvas.getContext("2d"),video=document.createElement("video");video.muted=!0,video.autoplay=!0,"undefined"!=typeof video.srcObject?video.srcObject=mediaStream:video.src=URL.createObjectURL(mediaStream),video.play();var startTime,endTime,lastFrameTime,gifEncoder,lastAnimationFrame=null}if(RecordRTC.getFromDisk=function(type,callback){if(!callback)throw"callback is mandatory.";console.log("Getting recorded "+("all"===type?"blobs":type+" blob ")+" from disk!"),DiskStorage.Fetch(function(dataURL,_type){"all"!==type&&_type===type+"Blob"&&callback&&callback(dataURL),"all"===type&&callback&&callback(dataURL,_type.replace("Blob",""))})},RecordRTC.writeToDisk=function(options){console.log("Writing recorded blob(s) to disk!"),options=options||{},options.audio&&options.video&&options.gif?options.audio.getDataURL(function(audioDataURL){options.video.getDataURL(function(videoDataURL){options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({audioBlob:audioDataURL,videoBlob:videoDataURL,gifBlob:gifDataURL})})})}):options.audio&&options.video?options.audio.getDataURL(function(audioDataURL){options.video.getDataURL(function(videoDataURL){DiskStorage.Store({audioBlob:audioDataURL,videoBlob:videoDataURL})})}):options.audio&&options.gif?options.audio.getDataURL(function(audioDataURL){options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({audioBlob:audioDataURL,gifBlob:gifDataURL})})}):options.video&&options.gif?options.video.getDataURL(function(videoDataURL){options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({videoBlob:videoDataURL,gifBlob:gifDataURL})})}):options.audio?options.audio.getDataURL(function(audioDataURL){DiskStorage.Store({audioBlob:audioDataURL})}):options.video?options.video.getDataURL(function(videoDataURL){DiskStorage.Store({videoBlob:videoDataURL})}):options.gif&&options.gif.getDataURL(function(gifDataURL){DiskStorage.Store({gifBlob:gifDataURL})})},"undefined"!=typeof module&&(module.exports=RecordRTC),"function"==typeof define&&define.amd&&define("RecordRTC",[],function(){return RecordRTC}),MRecordRTC.getFromDisk=RecordRTC.getFromDisk,MRecordRTC.writeToDisk=RecordRTC.writeToDisk,"undefined"==typeof requestAnimationFrame){if("undefined"!=typeof webkitRequestAnimationFrame)var requestAnimationFrame=webkitRequestAnimationFrame;if("undefined"!=typeof mozRequestAnimationFrame)var requestAnimationFrame=mozRequestAnimationFrame}if("undefined"==typeof cancelAnimationFrame){if("undefined"!=typeof webkitCancelAnimationFrame)var cancelAnimationFrame=webkitCancelAnimationFrame;if("undefined"!=typeof mozCancelAnimationFrame)var cancelAnimationFrame=mozCancelAnimationFrame}if("undefined"==typeof AudioContext){if("undefined"!=typeof webkitAudioContext)var AudioContext=webkitAudioContext;if("undefined"!=typeof mozAudioContext)var AudioContext=mozAudioContext}if("undefined"==typeof URL&&"undefined"!=typeof webkitURL)var URL=webkitURL;var isChrome=!0;if("undefined"!=typeof navigator)"undefined"!=typeof navigator.webkitGetUserMedia&&(navigator.getUserMedia=navigator.webkitGetUserMedia),"undefined"!=typeof navigator.mozGetUserMedia&&(navigator.getUserMedia=navigator.mozGetUserMedia),isChrome="undefined"!=typeof navigator.webkitGetUserMedia;else var navigator={getUserMedia:{}};if("undefined"!=typeof webkitMediaStream)var MediaStream=webkitMediaStream;"undefined"!=typeof location&&0===location.href.indexOf("file:")&&console.error("Please load this HTML file on HTTP or HTTPS.");var Storage={};"undefined"!=typeof AudioContext?Storage.AudioContext=AudioContext:"undefined"!=typeof webkitAudioContext&&(Storage.AudioContext=webkitAudioContext);var __stereoAudioRecorderJavacriptNode,Whammy=function(){function WhammyVideo(duration){this.frames=[],this.duration=duration||1,this.quality=100}function processInWebWorker(_function){var blob=URL.createObjectURL(new Blob([_function.toString(),"this.onmessage =  function (e) {"+_function.name+"(e.data);}"],{type:"application/javascript"})),worker=new Worker(blob);return URL.revokeObjectURL(blob),worker}function whammyInWebWorker(frames){function ArrayToWebM(frames){var info=checkFrames(frames);if(!info)return[];for(var clusterMaxDuration=3e4,EBML=[{id:440786851,data:[{data:1,id:17030},{data:1,id:17143},{data:4,id:17138},{data:8,id:17139},{data:"webm",id:17026},{data:2,id:17031},{data:2,id:17029}]},{id:408125543,data:[{id:357149030,data:[{data:1e6,id:2807729},{data:"whammy",id:19840},{data:"whammy",id:22337},{data:doubleToString(info.duration),id:17545}]},{id:374648427,data:[{id:174,data:[{data:1,id:215},{data:1,id:29637},{data:0,id:156},{data:"und",id:2274716},{data:"V_VP8",id:134},{data:"VP8",id:2459272},{data:1,id:131},{id:224,data:[{data:info.width,id:176},{data:info.height,id:186}]}]}]}]}],frameNumber=0,clusterTimecode=0;frameNumber<frames.length;){var clusterFrames=[],clusterDuration=0;do clusterFrames.push(frames[frameNumber]),clusterDuration+=frames[frameNumber].duration,frameNumber++;while(frameNumber<frames.length&&clusterMaxDuration>clusterDuration);var clusterCounter=0,cluster={id:524531317,data:getClusterData(clusterTimecode,clusterCounter,clusterFrames)};EBML[1].data.push(cluster),clusterTimecode+=clusterDuration}return generateEBML(EBML)}function getClusterData(clusterTimecode,clusterCounter,clusterFrames){return[{data:clusterTimecode,id:231}].concat(clusterFrames.map(function(webp){var block=makeSimpleBlock({discardable:0,frame:webp.data.slice(4),invisible:0,keyframe:1,lacing:0,trackNum:1,timecode:Math.round(clusterCounter)});return clusterCounter+=webp.duration,{data:block,id:163}}))}function checkFrames(frames){if(!frames[0])return void postMessage({error:"Something went wrong. Maybe WebP format is not supported in the current browser."});for(var width=frames[0].width,height=frames[0].height,duration=frames[0].duration,i=1;i<frames.length;i++)duration+=frames[i].duration;return{duration:duration,width:width,height:height}}function numToBuffer(num){for(var parts=[];num>0;)parts.push(255&num),num>>=8;return new Uint8Array(parts.reverse())}function strToBuffer(str){return new Uint8Array(str.split("").map(function(e){return e.charCodeAt(0)}))}function bitsToBuffer(bits){var data=[],pad=bits.length%8?new Array(9-bits.length%8).join("0"):"";bits=pad+bits;for(var i=0;i<bits.length;i+=8)data.push(parseInt(bits.substr(i,8),2));return new Uint8Array(data)}function generateEBML(json){for(var ebml=[],i=0;i<json.length;i++){var data=json[i].data;"object"==typeof data&&(data=generateEBML(data)),"number"==typeof data&&(data=bitsToBuffer(data.toString(2))),"string"==typeof data&&(data=strToBuffer(data));var len=data.size||data.byteLength||data.length,zeroes=Math.ceil(Math.ceil(Math.log(len)/Math.log(2))/8),sizeToString=len.toString(2),padded=new Array(7*zeroes+7+1-sizeToString.length).join("0")+sizeToString,size=new Array(zeroes).join("0")+"1"+padded;ebml.push(numToBuffer(json[i].id)),ebml.push(bitsToBuffer(size)),ebml.push(data)}return new Blob(ebml,{type:"video/webm"})}function makeSimpleBlock(data){var flags=0;if(data.keyframe&&(flags|=128),data.invisible&&(flags|=8),data.lacing&&(flags|=data.lacing<<1),data.discardable&&(flags|=1),data.trackNum>127)throw"TrackNumber > 127 not supported";var out=[128|data.trackNum,data.timecode>>8,255&data.timecode,flags].map(function(e){return String.fromCharCode(e)}).join("")+data.frame;return out}function parseWebP(riff){for(var VP8=riff.RIFF[0].WEBP[0],frameStart=VP8.indexOf("
*"),i=0,c=[];4>i;i++)c[i]=VP8.charCodeAt(frameStart+3+i);var width,height,tmp;return tmp=c[1]<<8|c[0],width=16383&tmp,tmp=c[3]<<8|c[2],height=16383&tmp,{width:width,height:height,data:VP8,riff:riff}}function getStrLength(string,offset){return parseInt(string.substr(offset+4,4).split("").map(function(i){
+var unpadded=i.charCodeAt(0).toString(2);return new Array(8-unpadded.length+1).join("0")+unpadded}).join(""),2)}function parseRIFF(string){for(var offset=0,chunks={};offset<string.length;){var id=string.substr(offset,4),len=getStrLength(string,offset),data=string.substr(offset+4+4,len);offset+=8+len,chunks[id]=chunks[id]||[],"RIFF"===id||"LIST"===id?chunks[id].push(parseRIFF(data)):chunks[id].push(data)}return chunks}function doubleToString(num){return[].slice.call(new Uint8Array(new Float64Array([num]).buffer),0).map(function(e){return String.fromCharCode(e)}).reverse().join("")}var webm=new ArrayToWebM(frames.map(function(frame){var webp=parseWebP(parseRIFF(atob(frame.image.slice(23))));return webp.duration=frame.duration,webp}));postMessage(webm)}return WhammyVideo.prototype.add=function(frame,duration){if("canvas"in frame&&(frame=frame.canvas),"toDataURL"in frame&&(frame=frame.toDataURL("image/webp",this.quality)),!/^data:image\/webp;base64,/gi.test(frame))throw"Input must be formatted properly as a base64 encoded DataURI of type image/webp";this.frames.push({image:frame,duration:duration||this.duration})},WhammyVideo.prototype.compile=function(callback){var webWorker=processInWebWorker(whammyInWebWorker);webWorker.onmessage=function(event){return event.data.error?void console.error(event.data.error):void callback(event.data)},webWorker.postMessage(this.frames)},{Video:WhammyVideo}}(),DiskStorage={init:function(){function createObjectStore(dataBase){dataBase.createObjectStore(self.dataStoreName)}function putInDB(){function getFromStore(portionName){transaction.objectStore(self.dataStoreName).get(portionName).onsuccess=function(event){self.callback&&self.callback(event.target.result,portionName)}}var transaction=db.transaction([self.dataStoreName],"readwrite");self.videoBlob&&transaction.objectStore(self.dataStoreName).put(self.videoBlob,"videoBlob"),self.gifBlob&&transaction.objectStore(self.dataStoreName).put(self.gifBlob,"gifBlob"),self.audioBlob&&transaction.objectStore(self.dataStoreName).put(self.audioBlob,"audioBlob"),getFromStore("audioBlob"),getFromStore("videoBlob"),getFromStore("gifBlob")}var self=this;if("undefined"==typeof indexedDB||"undefined"==typeof indexedDB.open)return void console.error("IndexedDB API are not available in this browser.");"undefined"!=typeof webkitIndexedDB&&(indexedDB=webkitIndexedDB),"undefined"!=typeof mozIndexedDB&&(indexedDB=mozIndexedDB),"undefined"!=typeof OIndexedDB&&(indexedDB=OIndexedDB),"undefined"!=typeof msIndexedDB&&(indexedDB=msIndexedDB);var db,dbVersion=1,dbName=this.dbName||location.href.replace(/\/|:|#|%|\.|\[|\]/g,""),request=indexedDB.open(dbName,dbVersion);request.onerror=self.onError,request.onsuccess=function(){if(db=request.result,db.onerror=self.onError,db.setVersion)if(db.version!==dbVersion){var setVersion=db.setVersion(dbVersion);setVersion.onsuccess=function(){createObjectStore(db),putInDB()}}else putInDB();else putInDB()},request.onupgradeneeded=function(event){createObjectStore(event.target.result)}},Fetch:function(callback){return this.callback=callback,this.init(),this},Store:function(config){return this.audioBlob=config.audioBlob,this.videoBlob=config.videoBlob,this.gifBlob=config.gifBlob,this.init(),this},onError:function(error){console.error(JSON.stringify(error,null,"	"))},dataStoreName:"recordRTC",dbName:null};

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Improved metrics

Total package byte prevSize

196873

increased by1.53%

Lines of code

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Number of lines in readme file

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