From bf26ed5520f1103dd486fbecce2cbd88f6795640 Mon Sep 17 00:00:00 2001
From: Wang Zhuochun <stone1551@gmail.com>
Date: Fri, 20 Sep 2013 19:21:45 +0800
Subject: [PATCH] update to version 0.0.4

---
 dist/RecordRTC-together.js     | 19 +++++++++++++++++--
 dist/RecordRTC-together.min.js |  4 ++--
 package.json                   |  2 +-
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/dist/RecordRTC-together.js b/dist/RecordRTC-together.js
index 7b225c1..312e802 100644
--- a/dist/RecordRTC-together.js
+++ b/dist/RecordRTC-together.js
@@ -614,8 +614,7 @@ function StereoAudioRecorder(mediaStream, root) {
         requestAnimationFrame = win.webkitRequestAnimationFrame || win.mozRequestAnimationFrame,
         cancelAnimationFrame = win.webkitCancelAnimationFrame || win.mozCancelAnimationFrame,
         URL = win.URL || win.webkitURL,
-        MediaStream = win.webkitMediaStream,
-        AudioContext = win.webkitAudioContext || window.mozAudioContext,
+        AudioContext = win.AudioContext || win.webkitAudioContext;
 
     // defaults
         defaults = {
@@ -652,6 +651,12 @@ function StereoAudioRecorder(mediaStream, root) {
         this.audioStarted = false;
     }
 
+    // get support information
+    RecordRTC.support = {
+        "video": !!navigator.getUserMedia,
+        "audio": !!AudioContext
+    };
+
     RecordRTC.prototype = {
         constructor: RecordRTC,
         // get user media
@@ -713,6 +718,11 @@ function StereoAudioRecorder(mediaStream, root) {
         },
         // start video record
         startVideo: function() {
+            if (!RecordRTC.support.video) {
+                console.log('record video is not supported');
+                return ;
+            }
+
             console.log('start recording video frames');
 
             // reset video blob
@@ -756,6 +766,11 @@ function StereoAudioRecorder(mediaStream, root) {
         },
         // start audio record
         startAudio: function() {
+            if (!RecordRTC.support.audio) {
+                console.log('record audio is not supported');
+                return ;
+            }
+
             console.log('start recording audio frames');
 
             // reset audio blob
diff --git a/dist/RecordRTC-together.min.js b/dist/RecordRTC-together.min.js
index d7b4a53..6695107 100644
--- a/dist/RecordRTC-together.min.js
+++ b/dist/RecordRTC-together.min.js
@@ -1,2 +1,2 @@
-/*! RecordRTC-together 22-08-2013 */
-function StereoAudioRecorder(a,b){function c(a,b){for(var c=a.length+b.length,d=new Float32Array(c),e=0,f=0;c>f;)d[f++]=a[e],d[f++]=b[e],e++;return d}function d(a,b){for(var c=new Float32Array(b),d=0,e=a.length,f=0;e>f;f++){var g=a[f];c.set(g,d),d+=g.length}return c}function e(a,b,c){for(var d=c.length,e=0;d>e;e++)a.setUint8(b+e,c.charCodeAt(e))}var f,g,h,i,j,k=[],l=[],m=!1,n=0,o=44100;this.record=function(){m=!0,k.length=l.length=0,n=0},this.stop=function(){m=!1;var a=d(k,n),f=d(l,n),g=c(a,f),h=new ArrayBuffer(44+2*g.length),i=new DataView(h);e(i,0,"RIFF"),i.setUint32(4,44+2*g.length,!0),e(i,8,"WAVE"),e(i,12,"fmt "),i.setUint32(16,16,!0),i.setUint16(20,1,!0),i.setUint16(22,2,!0),i.setUint32(24,o,!0),i.setUint32(28,4*o,!0),i.setUint16(32,4,!0),i.setUint16(34,16,!0),e(i,36,"data"),i.setUint32(40,2*g.length,!0);for(var j=g.length,p=44,q=1,r=0;j>r;r++)i.setInt16(p,g[r]*32767*q,!0),p+=2;var s=new Blob([i],{type:"audio/wav"});b.ondataavailable(s)},i=window.AudioContext||window.webkitAudioContext,j=new i,g=j.createGain(),h=j.createMediaStreamSource(a),h.connect(g);var p=2048;f=j.createJavaScriptNode(p,2,2),f.onaudioprocess=function(a){if(m){var b=a.inputBuffer.getChannelData(0),c=a.inputBuffer.getChannelData(1);k.push(new Float32Array(b)),l.push(new Float32Array(c)),n+=p}},g.connect(f),f.connect(j.destination)}window.Whammy=function(){function a(a,c){for(var d=b(a),e=3e4,g=[{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:k(d.duration),id:17545}]},{id:374648427,data:[{id:174,data:[{data:1,id:215},{data:1,id:25541},{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:d.width,id:176},{data:d.height,id:186}]}]}]}]}],i=0,j=0;i<a.length;){var l=[],m=0;do l.push(a[i]),m+=a[i].duration,i++;while(i<a.length&&e>m);var n=0,o={id:524531317,data:[{data:j,id:231}].concat(l.map(function(a){var b=h({discardable:0,frame:a.data.slice(4),invisible:0,keyframe:1,lacing:0,trackNum:1,timecode:Math.round(n)});return n+=a.duration,{data:b,id:163}}))};g[1].data.push(o),j+=m}return f(g,c)}function b(a){for(var b=a[0].width,c=a[0].height,d=a[0].duration,e=1;e<a.length;e++){if(a[e].width!=b)throw"Frame "+(e+1)+" has a different width";if(a[e].height!=c)throw"Frame "+(e+1)+" has a different height";if(a[e].duration<0||a[e].duration>32767)throw"Frame "+(e+1)+" has a weird duration (must be between 0 and 32767)";d+=a[e].duration}return{duration:d,width:b,height:c}}function c(a){for(var b=[];a>0;)b.push(255&a),a>>=8;return new Uint8Array(b.reverse())}function d(a){for(var b=new Uint8Array(a.length),c=0;c<a.length;c++)b[c]=a.charCodeAt(c);return b}function e(a){var b=[],c=a.length%8?new Array(9-a.length%8).join("0"):"";a=c+a;for(var d=0;d<a.length;d+=8)b.push(parseInt(a.substr(d,8),2));return new Uint8Array(b)}function f(a,b){for(var h=[],i=0;i<a.length;i++){var j=a[i].data;"object"==typeof j&&(j=f(j,b)),"number"==typeof j&&(j=e(j.toString(2))),"string"==typeof j&&(j=d(j)),j.length;var k=j.size||j.byteLength||j.length,l=Math.ceil(Math.ceil(Math.log(k)/Math.log(2))/8),m=k.toString(2),n=new Array(7*l+7+1-m.length).join("0")+m,o=new Array(l).join("0")+"1"+n;h.push(c(a[i].id)),h.push(e(o)),h.push(j)}if(b){var p=g(h);return new Uint8Array(p)}return new Blob(h,{type:"video/webm"})}function g(a,b){null==b&&(b=[]);for(var c=0;c<a.length;c++)"object"==typeof a[c]?g(a[c],b):b.push(a[c]);return b}function h(a){var b=0;if(a.keyframe&&(b|=128),a.invisible&&(b|=8),a.lacing&&(b|=a.lacing<<1),a.discardable&&(b|=1),a.trackNum>127)throw"TrackNumber > 127 not supported";var c=[128|a.trackNum,a.timecode>>8,255&a.timecode,b].map(function(a){return String.fromCharCode(a)}).join("")+a.frame;return c}function i(a){for(var b=a.RIFF[0].WEBP[0],c=b.indexOf("
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\ No newline at end of file
+/*! RecordRTC-together 20-09-2013 */
+function StereoAudioRecorder(a,b){function c(a,b){for(var c=a.length+b.length,d=new Float32Array(c),e=0,f=0;c>f;)d[f++]=a[e],d[f++]=b[e],e++;return d}function d(a,b){for(var c=new Float32Array(b),d=0,e=a.length,f=0;e>f;f++){var g=a[f];c.set(g,d),d+=g.length}return c}function e(a,b,c){for(var d=c.length,e=0;d>e;e++)a.setUint8(b+e,c.charCodeAt(e))}var f,g,h,i,j,k=[],l=[],m=!1,n=0,o=44100;this.record=function(){m=!0,k.length=l.length=0,n=0},this.stop=function(){m=!1;var a=d(k,n),f=d(l,n),g=c(a,f),h=new ArrayBuffer(44+2*g.length),i=new DataView(h);e(i,0,"RIFF"),i.setUint32(4,44+2*g.length,!0),e(i,8,"WAVE"),e(i,12,"fmt "),i.setUint32(16,16,!0),i.setUint16(20,1,!0),i.setUint16(22,2,!0),i.setUint32(24,o,!0),i.setUint32(28,4*o,!0),i.setUint16(32,4,!0),i.setUint16(34,16,!0),e(i,36,"data"),i.setUint32(40,2*g.length,!0);for(var j=g.length,p=44,q=1,r=0;j>r;r++)i.setInt16(p,g[r]*32767*q,!0),p+=2;var s=new Blob([i],{type:"audio/wav"});b.ondataavailable(s)},i=window.AudioContext||window.webkitAudioContext,j=new i,g=j.createGain(),h=j.createMediaStreamSource(a),h.connect(g);var p=2048;f=j.createJavaScriptNode(p,2,2),f.onaudioprocess=function(a){if(m){var b=a.inputBuffer.getChannelData(0),c=a.inputBuffer.getChannelData(1);k.push(new Float32Array(b)),l.push(new Float32Array(c)),n+=p}},g.connect(f),f.connect(j.destination)}window.Whammy=function(){function a(a,c){for(var d=b(a),e=3e4,g=[{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:k(d.duration),id:17545}]},{id:374648427,data:[{id:174,data:[{data:1,id:215},{data:1,id:25541},{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:d.width,id:176},{data:d.height,id:186}]}]}]}]}],i=0,j=0;i<a.length;){var l=[],m=0;do l.push(a[i]),m+=a[i].duration,i++;while(i<a.length&&e>m);var n=0,o={id:524531317,data:[{data:j,id:231}].concat(l.map(function(a){var b=h({discardable:0,frame:a.data.slice(4),invisible:0,keyframe:1,lacing:0,trackNum:1,timecode:Math.round(n)});return n+=a.duration,{data:b,id:163}}))};g[1].data.push(o),j+=m}return f(g,c)}function b(a){for(var b=a[0].width,c=a[0].height,d=a[0].duration,e=1;e<a.length;e++){if(a[e].width!=b)throw"Frame "+(e+1)+" has a different width";if(a[e].height!=c)throw"Frame "+(e+1)+" has a different height";if(a[e].duration<0||a[e].duration>32767)throw"Frame "+(e+1)+" has a weird duration (must be between 0 and 32767)";d+=a[e].duration}return{duration:d,width:b,height:c}}function c(a){for(var b=[];a>0;)b.push(255&a),a>>=8;return new Uint8Array(b.reverse())}function d(a){for(var b=new Uint8Array(a.length),c=0;c<a.length;c++)b[c]=a.charCodeAt(c);return b}function e(a){var b=[],c=a.length%8?new Array(9-a.length%8).join("0"):"";a=c+a;for(var d=0;d<a.length;d+=8)b.push(parseInt(a.substr(d,8),2));return new Uint8Array(b)}function f(a,b){for(var h=[],i=0;i<a.length;i++){var j=a[i].data;"object"==typeof j&&(j=f(j,b)),"number"==typeof j&&(j=e(j.toString(2))),"string"==typeof j&&(j=d(j)),j.length;var k=j.size||j.byteLength||j.length,l=Math.ceil(Math.ceil(Math.log(k)/Math.log(2))/8),m=k.toString(2),n=new Array(7*l+7+1-m.length).join("0")+m,o=new Array(l).join("0")+"1"+n;h.push(c(a[i].id)),h.push(e(o)),h.push(j)}if(b){var p=g(h);return new Uint8Array(p)}return new Blob(h,{type:"video/webm"})}function g(a,b){null==b&&(b=[]);for(var c=0;c<a.length;c++)"object"==typeof a[c]?g(a[c],b):b.push(a[c]);return b}function h(a){var b=0;if(a.keyframe&&(b|=128),a.invisible&&(b|=8),a.lacing&&(b|=a.lacing<<1),a.discardable&&(b|=1),a.trackNum>127)throw"TrackNumber > 127 not supported";var c=[128|a.trackNum,a.timecode>>8,255&a.timecode,b].map(function(a){return String.fromCharCode(a)}).join("")+a.frame;return c}function i(a){for(var b=a.RIFF[0].WEBP[0],c=b.indexOf("
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b(a,b,c){a.enable?(a.enable.audio&&b[c+"Audio"](),a.enable.video&&b[c+"Video"]()):defaults.enable&&(defaults.enable.audio&&b[c+"Audio"](),defaults.enable.video&&b[c+"Video"]())}function c(a){return"[object Function]"===Object.prototype.toString.call(a)}navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;var d=window,e=d.webkitRequestAnimationFrame||d.mozRequestAnimationFrame,f=d.webkitCancelAnimationFrame||d.mozCancelAnimationFrame,g=d.URL||d.webkitURL,h=d.AudioContext||d.webkitAudioContext;defaults={enable:{video:!0,audio:!0},video_width:640,video_height:480,canvas_width:320,canvas_height:240,video_fps:10,video_quality:.8},a.support={video:!!navigator.getUserMedia,audio:!!h},a.prototype={constructor:a,getMedia:function(a,b){navigator.getUserMedia(this.options.enable||defaults.enable,a.bind(this),b.bind(this))},setMedia:function(a){this.stream=a,this.videoElem.src=g.createObjectURL(a),this.init()},drawVideoFrame:function(a){this.lastVideoFrame=e(this.drawVideoFrame.bind(this)),this.lastFrameTime||(this.lastFrameTime=a),a-this.lastFrameTime<90||(this.context.drawImage(this.videoElem,0,0,this.c_width,this.c_height),this.whammy.add(this.canvas),this.lastFrameTime=a)},initVideo:function(){console.log("init recording video frames"),this.c_width=this.options.canvas_width||defaults.canvas_width,this.c_height=this.options.canvas_height||defaults.canvas_height,this.v_width=this.options.video_width||this.videoElem.offsetWidth||defaults.video_width,this.v_height=this.options.video_height||this.videoElem.offsetHeight||defaults.video_height,this.v_width<this.c_width&&(this.v_width=this.c_width),this.v_height<this.c_height&&(this.v_height=this.c_height),this.canvas.width=this.c_width,this.canvas.height=this.c_height,this.videoElem.width=this.v_width,this.videoElem.height=this.v_height},startVideo:function(){return a.support.video?(console.log("start recording video frames"),this.videoBlob=null,this.whammy=new Whammy.Video(this.options.video_fps||defaults.video_fps,this.options.video_quality||defaults.video_quality),this.videoStarted=!0,this.lastVideoFrame=e(this.drawVideoFrame.bind(this)),void 0):(console.log("record video is not supported"),void 0)},stopVideo:function(){this.videoStarted&&(console.log("stopped recording video frames"),this.videoStarted=!1,this.lastVideoFrame&&f(this.lastVideoFrame),this.whammy&&this.onVideoReady(this.whammy.compile()))},initAudio:function(){console.log("init recording audio frames");var a=this,b={ondataavailable:a.onAudioReady.bind(a)};this.audioRecorder=new StereoAudioRecorder(a.stream,b)},startAudio:function(){return a.support.audio?(console.log("start recording audio frames"),this.audioBlob=null,this.initAudio(),this.audioStarted=!0,this.audioRecorder.record(),void 0):(console.log("record audio is not supported"),void 0)},stopAudio:function(){this.audioStarted&&(console.info("stopped recording audio frames"),this.audioStarted=!1,this.audioRecorder.stop())},init:function(){if(!this.videoElem)throw"No Video Element Found!";if(!this.stream)throw"Media is not ready!";b(this.options,this,"init")},start:function(){b(this.options,this,"start")},stop:function(){b(this.options,this,"stop")},onVideoReady:function(a){c(a)?(this.onVideoCallback=a,this.videoBlob&&a(this.videoBlob)):(console.log("on video ready"),this.videoBlob=a,this.onVideoCallback&&this.onVideoCallback(a))},onAudioReady:function(a){c(a)?(this.onAudioCallback=a,this.audioBlob&&a(this.audioBlob)):(console.log("on audio ready"),this.audioBlob=a,this.onAudioCallback&&this.onAudioCallback(a))}},window.RecordRTC=a}();
\ No newline at end of file
diff --git a/package.json b/package.json
index 97a1e64..9ebaac6 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "RecordRTC-together",
   "description": "Record video and audio together or individually on the web using getUserMedia.",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "homepage": "https://github.com/H0201030/record-rtc-together",
   "author": {
     "name": "Wang Zhuochun",