0.6.x/js/07_audio/02_XHTMLAudio.js

   1 \r
   2 /*\r
   3  * original : uupaa-js HTML5Audio.js\r
   4  * https://code.google.com/p/uupaa-js/source/browse/trunk/0.8/src/Audio/HTML5Audio.js?r=568\r
   5  */\r
   6 \r
   7 var X_Audio_HTMLAudio_playTrigger =\r
   8                 X_UA.iOS ? 'suspend' :\r
   9                 X_UA.AndroidBrowser2 ? 'stalled' : // Android 2.3.5(SBM101SH) では stalled は発生しない,,,\r
  10                 X_UA.AndroidBrowser4 ? 'loadeddata' : 'canplay',\r
  11         X_Audio_HTMLAudioWrapper,\r
  12         X_Audio_rawAudio,\r
  13         // Opera Mobile 12 android4.4.4 & 2.3.5 は 2回目以降の currentTime へのセットで currentTime が更新されなくなるため、タイマーを使用する\r
  14         X_Audio_HTMLAudioWrapper_currentTimeFix = !!X_UA.OperaMobile || !!X_UA.OperaTablet;\r
  15 \r
  16 if( window.HTMLAudioElement ){\r
  17         \r
  18         X_Audio_HTMLAudioWrapper = X.EventDispatcher.inherits(\r
  19                 'X.AV.HTML5AudioWrapper',\r
  20                 X.Class.POOL_OBJECT,\r
  21                 {\r
  22                         \r
  23                         proxy           : null,\r
  24                         \r
  25                         startTime       : 0,\r
  26                         endTime         : -1,\r
  27                         loopStartTime   : -1,\r
  28                         loopEndTime     : -1,\r
  29                         seekTime        : -1,\r
  30                         duration        : 0,\r
  31                         \r
  32                         playing         : false,\r
  33                         error           : 0,                    \r
  34                         loop            : false,\r
  35                         looped          : false,\r
  36                         autoplay        : false,\r
  37                         volume          : 0.5,\r
  38 \r
  39             _timerID        : 0,\r
  40                         _playTime       : 0,\r
  41                         _closed         : true,\r
  42                         _loaded         : false,\r
  43                         \r
  44                         Constructor : function( proxy, source, option ){\r
  45                                 this.proxy   = proxy;\r
  46                                 this._closed = false;\r
  47                                 \r
  48                                 X_AudioWrapper_updateStates( this, option );\r
  49                                 \r
  50                                 // TODO use video document.createElement('video')\r
  51                                 this._rawObject = X_Audio_rawAudio || new Audio( source );// X_Doc_create( 'audio', { src : source } ).appendToRoot();//( X.X_Node_systemNode );\r
  52                                 \r
  53                                 this.listen( [\r
  54                                                 'loadstart', 'load', 'progress', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'pause', 'loadedmetadata',\r
  55                                                 'loadeddata', 'waiting', 'playing', 'canplay', 'canplaythrough', 'seeking', 'seeked', 'timeupdate', 'ended',\r
  56                                                 'ratechange', 'durationchange', 'volumechange' ], this.handleEventProxy );                              \r
  57                                 \r
  58                                 if( X_Audio_rawAudio === this._rawObject ){\r
  59                                         X_Audio_rawAudio.src = source;\r
  60                                         /*!X_Audio_Sprite_needTouchFirst && */ X_Audio_rawAudio.load(); // 要る?\r
  61                                         X_Audio_rawAudio = null;\r
  62                                 };\r
  63 \r
  64                                 //document.body.appendChild( this._rawObject );\r
  65 \r
  66                                 this._rawObject.autoplay = false;\r
  67                                 \r
  68                                 this.listenOnce( X.Event.KILL_INSTANCE );\r
  69                         },\r
  70                         \r
  71                         handleEvent : function( e ){\r
  72                                 switch( e.type ){\r
  73 \r
  74                                         case X.Event.KILL_INSTANCE :\r
  75                                                 break;\r
  76                                 };\r
  77                         },\r
  78                         /*\r
  79                          * http://uguisu.skr.jp/html/table3.html\r
  80                          */\r
  81                         handleEventProxy : function( e ){\r
  82                                 console.log( 'HTMLAudio ' + e.type );\r
  83                                 \r
  84                                 switch( e.type ){\r
  85                                         case 'loadstart' :      //      ブラウザがコンテンツの検索を開始した場合に発生\r
  86                                                 break;\r
  87                                         case 'progress' :       //      ブラウザがコンテンツの取得を実行した場合に発生\r
  88                                                 //console.log( e.loaded + ' ' + e.total * 100 + '%' );\r
  89                                                 this._rawObject.duration &&\r
  90                                                         console.dir( this._rawObject );\r
  91                                                         //console.log( this._rawObject.buffered.end(0) / this._rawObject.duration * 100 + '%' );\r
  92                                                 break;\r
  93                                         case 'loadedmetadata' : //      ブラウザがメディアリソースの長さと寸法を判定した場合に発生\r
  94                                         case 'loadeddata' :     //      コンテンツの表示を現在の再生位置で初めて行えるようになった場合に発生\r
  95                                         case 'canplay' :        //      今すぐに再生を再開できるが、バッファリングが不十分でコンテンツを最後まで表示できないと予測している場合に発生\r
  96                                         case 'canplaythrough' : //      今すぐに再生を開始してもバッファリングで停止することなく最後まで表示できると予測している場合に発生\r
  97                                                 this.duration = this._rawObject.duration * 1000;\r
  98                                                 //console.log( this.duration );\r
  99                                                 break;\r
 100         \r
 101                                         case 'suspend' :        //      ブラウザが意図的にコンテンツの取得を現在行っていない場合に発生（ダウンロードは未完了）\r
 102                                         case 'abort' :          //      ダウンロードの完了前にコンテンツの取得を停止した場合に発生（この停止はエラーによるものではない）\r
 103                                         case 'error' :          //      コンテンツの取得実行中にエラーが発生した場合に発生\r
 104                                         case 'emptied' :        //      読み込み中に致命的なエラーが発生したか、実行状態ででload()メソッドが実行された場合に発生\r
 105                                         case 'stalled' :        //      ブラウザがコンテンツの取得を試みたが、データがまだ用意されていない場合に発生\r
 106                                         case 'play' :           //      再生が開始された。play()メソッドからの復帰後に発生する場合に発生\r
 107                                         case 'pause' :          //      再生が一時停止された。pauseメソッドからの復帰後に発生する場合に発生\r
 108 \r
 109                                         case 'waiting' :        //      次のフレームが利用不可のため再生を停止したが、そのフレームがやがて利用可能になると想定している場合に発生\r
 110                                         case 'playing' :        //      再生が開始された場合に発生\r
 111 \r
 112                                         case 'seeking' :        //      シークがtrueに変化し、イベントを発生させるのに十分な時間がシーク操作にかかっている場合に発生\r
 113                                         case 'seeked' :         //      シークがfalseに変化した場合に発生\r
 114                                                 break;\r
 115                                                 \r
 116                                         case 'timeupdate' :     //      通常の再生が行われ現在の再生位置の変化が起こった場合に発生\r
 117                                                 this._onEnded();\r
 118                                                 break;\r
 119                                         \r
 120                                         case 'ended' :\r
 121                                                 if( !this._closed && this.loop ){\r
 122                                                         this.looped = true;\r
 123                                                         ( this.proxy.dispatch( 'looped' ) | X.Callback.PREVENT_DEFAULT ) || this.play();\r
 124                                                 } else {\r
 125                                                         this._timerID && X.Timer.remove( this._timerID );\r
 126                                                         this.seekTime = 0;\r
 127                                                         delete this._timerID;\r
 128                                                         delete this.playing;\r
 129                                                 };\r
 130                                                 break;\r
 131         \r
 132                                         case 'ratechange' :     // defaultPlaybackRate属性とplaybackRate属性のどちらかが更新された場合に発生\r
 133                                         case 'durationchange' : // duration属性が更新された場合に発生\r
 134                                         case 'volumechange' :   // volume属性とmuted属性のどちらかが変化した場合に発生\r
 135                                 };\r
 136                                 //console.log( 'html5 ' + e.type + ' ' + ( this.proxy._listeners && this.proxy._listeners[ e.type ] && this.proxy._listeners[ e.type ].length ) );\r
 137                                 //e.type === 'canplaythrough' && console.dir( e );\r
 138                                 this.proxy.dispatch( e );\r
 139                                 \r
 140                                 if( X_Audio_HTMLAudio_playTrigger === e.type || ( X_UA.AndroidBrowser2 && e.type === 'loadeddata' ) ){\r
 141                                         !this._loaded && this.autoplay && X.Timer.once( 16, this, this.play );\r
 142                                         this._loaded = true;\r
 143                                         console.log( 'Loaded! ' + e.type );\r
 144                                 };\r
 145                         },\r
 146                         \r
 147                         close : function(){\r
 148                                 // 【javascript】モバイル向けブラウザでも音を鳴らしたい【WebAudio】\r
 149                                 // http://ingaouhou.com/archives/3633\r
 150                                 // ・使い終わったインスタンスはload()しておくとやや安定\r
 151                                 this.playing && this.pause();\r
 152                                 delete this._closed;\r
 153                                 delete this._loaded;\r
 154                                 \r
 155                                 this._rawObject.src = '';\r
 156                                 this._rawObject.load();\r
 157                         },\r
 158                         \r
 159                         play : function(){\r
 160                                 var begin, end;\r
 161                                 \r
 162                                 // もし kill 後に autoplayTimer で呼ばれても、_closed==true なので平気\r
 163                                 if( this._closed ) return;\r
 164                                 if( !this._loaded /* && !X_Audio_Sprite_inTouchAction */ ){\r
 165                         this.autoplay = true;\r
 166                         return;\r
 167                                 };\r
 168 \r
 169                                 end   = X_AudioWrapper_getEndTime( this );\r
 170                                 begin = X_AudioWrapper_getStartTime( this, end, true );\r
 171                                 this._rawObject.currentTime = begin / 1000;\r
 172                             \r
 173                             console.log( '[HTMLAudio] play ' + begin + ' -> ' + end );\r
 174                             \r
 175                             if( !this.playing ){\r
 176                                     if( X_UA.Chrome ){ // [CHROME][FIX] volume TODO どの version で 修正される？\r
 177                                         // [!] delay\r
 178                                         X.Timer.once( 0, this, this._fixForChrome );\r
 179                                         this._rawObject.volume = 0;\r
 180                                     } else {\r
 181                                         this._rawObject.volume = this.volume;\r
 182                                     };\r
 183                                 this._rawObject.play();\r
 184                                 this.playing = true;\r
 185                             };\r
 186                     \r
 187                     if( X_Audio_HTMLAudioWrapper_currentTimeFix ){\r
 188                         //this._timerID && X.Timer.remove( this._timerID );\r
 189                         this._beginTime = begin;\r
 190                         this._playTime  = X_Timer_now();\r
 191                                                 \r
 192                         if( end < this.duration ){\r
 193                                                 //this._timerID   = X.Timer.once( end - begin, this, this._onEnded );\r
 194                         } else {\r
 195                                 delete this._timerID;\r
 196                         };                      \r
 197                     };\r
 198 \r
 199                         },\r
 200                                 \r
 201                                 // [CHROME][FIX] volume\r
 202                                 _fixForChrome : X_UA.Chrome && function(){\r
 203                                         !this._closed && ( this._rawObject.volume = this.volume );\r
 204                                 },\r
 205                                 \r
 206                                 _onEnded : function(){\r
 207                                         var currentTime, time;\r
 208                                         \r
 209                                         delete this._timerID;\r
 210                                         \r
 211                             if( this.playing ){\r
 212                                 currentTime = X_Audio_HTMLAudioWrapper_currentTimeFix ? X_Timer_now() - this._playTime + this._beginTime : this._rawObject.currentTime * 1000 | 0;\r
 213                                 time        = currentTime - X_AudioWrapper_getEndTime( this );\r
 214                                 if( time < 0 ){\r
 215                                         console.log( '> onEnd ' + (-time) + ' ' + currentTime + '/' + X_AudioWrapper_getEndTime( this ) );\r
 216                                         //if( X_Audio_HTMLAudioWrapper_currentTimeFix ) this._timerID = X.Timer.once( -time, this, this._onEnded );\r
 217                                         return;\r
 218                                 };\r
 219                                 \r
 220                                 if( this.loop ){\r
 221                                         this.looped = true;\r
 222                                         ( this.proxy.dispatch( 'looped' ) | X.Callback.PREVENT_DEFAULT ) || this.play();\r
 223                                 } else {\r
 224                                         this.pause();\r
 225                                         this.dispatch( 'ended' );\r
 226                                 };\r
 227                             };\r
 228                                 },\r
 229                         \r
 230                         pause : function(){\r
 231                                 if( !this.playing ) return;\r
 232                                 \r
 233                                 this.seekTime = this.state().currentTime;\r
 234                                 \r
 235                                 //this._timerID && X.Timer.remove( this._timerID );\r
 236                                 //delete this._timerID;\r
 237                                 delete this._playTime;\r
 238 \r
 239                         !this._rawObject.error && this._rawObject.pause();\r
 240                         delete this.playing;\r
 241                         },\r
 242         \r
 243                         state : function( obj ){\r
 244                                 var result;\r
 245                                 \r
 246                                 if( obj === undefined ){\r
 247                                     return {\r
 248                                         startTime     : this.startTime,\r
 249                                         endTime       : this.endTime < 0 ? this.duration : this.endTime,\r
 250                                         loopStartTime : this.loopStartTime < 0 ? this.startTime : this.loopStartTime,\r
 251                                         loopEndTime   : this.loopEndTime < 0 ? ( this.endTime || this.duration ) : this.loopEndTime,\r
 252                                         \r
 253                                         loop          : this.loop,\r
 254                                         looped        : this.looped,\r
 255                                         volume        : this.volume,\r
 256                                         playing       : this.playing, // && !this._rawObject.error && !this._rawObject.paused && !this._rawObject.ended,                                \r
 257                                         duration      : this.duration,\r
 258                                         \r
 259                                         currentTime   :\r
 260                                                 this.playing ?\r
 261                                                         ( X_Audio_HTMLAudioWrapper_currentTimeFix ?\r
 262                                                                 X_Timer_now() - this._playTime + this._beginTime :\r
 263                                                                 this._rawObject.currentTime * 1000 | 0 ) :\r
 264                                                         this.seekTime,\r
 265                                         /*\r
 266         http://www.w3schools.com/tags/av_prop_error.asp\r
 267         1 = MEDIA_ERR_ABORTED - fetching process aborted by user\r
 268     2 = MEDIA_ERR_NETWORK - error occurred when downloading\r
 269     3 = MEDIA_ERR_DECODE - error occurred when decoding\r
 270     4 = MEDIA_ERR_SRC_NOT_SUPPORTED - audio/video not supported\r
 271     */\r
 272                                         error         : this._rawObject.error || 0   // 0, 1 ~ 4 \r
 273                                     };                                  \r
 274                                 };\r
 275                         \r
 276                                 result = X_AudioWrapper_updateStates( this, obj );\r
 277                             \r
 278                                 if( result & 2 ){ // seek\r
 279                         this.play();\r
 280                                 //} else\r
 281                                 //if( result & 1 ){\r
 282                                         //if( X_Audio_HTMLAudioWrapper_currentTimeFix ){\r
 283                                         //      this.play();                                            \r
 284                                         //};\r
 285 \r
 286                                 } else\r
 287                                 if( result & 4 ){\r
 288                        this._rawObject.volume = this.volume;\r
 289                                 };\r
 290                             \r
 291                         }\r
 292         \r
 293                 }\r
 294         );\r
 295         \r
 296         X_Audio_BACKENDS.push(\r
 297                 {\r
 298                         backendName : 'HTML Audio',\r
 299                 /*\r
 300                  * HTML5 の audio 要素と video 要素でサポートされているメディアフォーマット\r
 301                  * https://developer.mozilla.org/ja/docs/Web/HTML/Supported_media_formats\r
 302                  * \r
 303                  * 主要ブラウザのHTML5 audioタグで使えるファイル形式の再生対応状況を調べてみた\r
 304                  * http://sothis.blog.so-net.ne.jp/2010-10-27\r
 305                  * ダメ元で仕様に含まれていない SHOUTcast もテストしてみました。\r
 306                  * \r
 307                  * IE9 の HTML5 Audio について\r
 308                  * http://kentablog.cluscore.com/2011/05/ie9-html5-audio.html\r
 309                  * 1.Audioオブジェクトを作ることができないので、Audioタグを使う\r
 310                  * 2.クロスドメインアクセスには、「clientaccesspolicy.xml」か「crossdomain.xml」が必要\r
 311                  * 3.wav が不可\r
 312                  * \r
 313                  * IE9でHTML5 autio タグが無効になる\r
 314                  * http://bbs.wankuma.com/index.cgi?mode=al2&namber=64886&KLOG=109\r
 315                  *  IEのバージョン9.0.8112.16421では、Audioオブジェクトのnewも対応してました。\r
 316                  *  createElement等で動的生成すると、よろしくない\r
 317                  * \r
 318                  * media-can-play-wav-audio.html\r
 319                  * https://github.com/adobe/webkit/blob/master/LayoutTests/media/media-can-play-wav-audio.html\r
 320                  * testExpected("audio.canPlayType('audio/wav; codecs=1')", "probably");\r
 321                  * \r
 322                  * HTML5 audioタグ ブラウザ間の違い\r
 323                  * http://wiki.bit-hive.com/tomizoo/pg/HTML5%20audio%A5%BF%A5%B0%20%A5%D6%A5%E9%A5%A6%A5%B6%B4%D6%A4%CE%B0%E3%A4%A4\r
 324                  *  - volume, muted iPhone(iOS4-6)、Android(2.3.6)では動作せず。\r
 325                  *  - FireFox3.6, Android 2.3.6については、src変更後、load()を呼び出さないと切り替わらなかった。iPhoneはload()が不要。\r
 326                  */     \r
 327                         detect : function( proxy, source, ext ){\r
 328                                 var ok, mineType = 'audio/' + ext;\r
 329                                 switch( ext ){\r
 330                                         case 'mp3' :\r
 331                                                 ok = X_UA.IE || X_UA.Chrome || ( X_UA.Windows && X_UA.Safari );\r
 332                                                 mineType = 'audio/mpeg';\r
 333                                                 break;\r
 334                                         case 'ogg' :\r
 335                                                 ok = 15 <= X_UA.Gecko || X_UA.Chrome || X_UA.Opera;\r
 336                                                 break;\r
 337                                         case 'm4a' :\r
 338                                                 ok = X_UA.IE || X_UA.WebKit;\r
 339                                                 mineType = 'audio/mp4';\r
 340                                                 break;\r
 341                                         case 'webm' :\r
 342                                                 ok = 2 <= X_UA.Gecko || 10.6 <= X_UA.Opera; // firefox4+(Gecko2+)\r
 343                                                 break;\r
 344                                         case 'wav' :\r
 345                                                 ok = X_UA.Gecko || X_UA.Opera || ( X_UA.Windows && X_UA.Safari );\r
 346                                                 //mineType = 'audio/wav'; // audio/x-wav ?\r
 347                                                 break;\r
 348                                         default :\r
 349                                                 mineType = '';\r
 350                                 };\r
 351                                 \r
 352                                 if( !ok && mineType ){\r
 353                                         if( !X_Audio_rawAudio ) X_Audio_rawAudio = new Audio;\r
 354                                         ok = X_Audio_rawAudio.canPlayType( mineType );\r
 355                                 };\r
 356                                 \r
 357                                 proxy.asyncDispatch( ok ? 'support' : 'nosupport' );\r
 358                         },\r
 359                         \r
 360                         klass : X_Audio_HTMLAudioWrapper\r
 361                         \r
 362                 } );\r
 363 \r
 364 /*\r
 365  * \r
 366  * howler.js\r
 367  *     codecs = {\r
 368       mp3: !!audioTest.canPlayType('audio/mpeg;').replace(/^no$/, ''),\r
 369       opus: !!audioTest.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/, ''),\r
 370       ogg: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ''),\r
 371       wav: !!audioTest.canPlayType('audio/wav; codecs="1"').replace(/^no$/, ''),\r
 372       aac: !!audioTest.canPlayType('audio/aac;').replace(/^no$/, ''),\r
 373       m4a: !!(audioTest.canPlayType('audio/x-m4a;') || audioTest.canPlayType('audio/m4a;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''),\r
 374       mp4: !!(audioTest.canPlayType('audio/x-mp4;') || audioTest.canPlayType('audio/mp4;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''),\r
 375       weba: !!audioTest.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, '')\r
 376     };\r
 377  */\r
 378         \r
 379 };\r
 380 \r
 381 \r
 382 \r
 383 \r
 384 \r