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.play();\r
 124                                                         this.proxy.dispatch( 'looped' );\r
 125                                                 } else {\r
 126                                                         this._timerID && X.Timer.remove( this._timerID );\r
 127                                                         this.seekTime = 0;\r
 128                                                         delete this._timerID;\r
 129                                                         delete this.playing;\r
 130                                                 };\r
 131                                                 break;\r
 132         \r
 133                                         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
 134                                         case 'durationchange' : // duration属性が更新された場合に発生\r
 135                                         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
 136                                 };\r
 137                                 //console.log( 'html5 ' + e.type + ' ' + ( this.proxy._listeners && this.proxy._listeners[ e.type ] && this.proxy._listeners[ e.type ].length ) );\r
 138                                 //e.type === 'canplaythrough' && console.dir( e );\r
 139                                 this.proxy.dispatch( e );\r
 140                                 \r
 141                                 if( X_Audio_HTMLAudio_playTrigger === e.type || ( X_UA.AndroidBrowser2 && e.type === 'loadeddata' ) ){\r
 142                                         !this._loaded && this.autoplay && X.Timer.once( 16, this, this.play );\r
 143                                         this._loaded = true;\r
 144                                         console.log( 'Loaded! ' + e.type );\r
 145                                 };\r
 146                         },\r
 147                         \r
 148                         close : function(){\r
 149                                 // 【javascript】モバイル向けブラウザでも音を鳴らしたい【WebAudio】\r
 150                                 // http://ingaouhou.com/archives/3633\r
 151                                 // ・使い終わったインスタンスはload()しておくとやや安定\r
 152                                 this.playing && this.pause();\r
 153                                 delete this._closed;\r
 154                                 delete this._loaded;\r
 155                                 \r
 156                                 this._rawObject.src = '';\r
 157                                 this._rawObject.load();\r
 158                         },\r
 159                         \r
 160                         play : function(){\r
 161                                 var begin, end;\r
 162                                 \r
 163                                 // もし kill 後に autoplayTimer で呼ばれても、_closed==true なので平気\r
 164                                 if( this._closed ) return;\r
 165                                 if( !this._loaded /* && !X_Audio_Sprite_inTouchAction */ ){\r
 166                         this.autoplay = true;\r
 167                         return;\r
 168                                 };\r
 169 \r
 170                                 end   = X_AudioWrapper_getEndTime( this );\r
 171                                 begin = X_AudioWrapper_getStartTime( this, end, true );\r
 172                                 this._rawObject.currentTime = begin / 1000;\r
 173                             \r
 174                             console.log( '[HTMLAudio] play ' + begin + ' -> ' + end );\r
 175                             \r
 176                             if( !this.playing ){\r
 177                                     if( X_UA.Chrome ){ // [CHROME][FIX] volume TODO どの version で 修正される？\r
 178                                         // [!] delay\r
 179                                         X.Timer.once( 0, this, this._fixForChrome );\r
 180                                         this._rawObject.volume = 0;\r
 181                                     } else {\r
 182                                         this._rawObject.volume = this.volume;\r
 183                                     };\r
 184                                 this._rawObject.play();\r
 185                                 this.playing = true;\r
 186                             };\r
 187                     \r
 188                     if( X_Audio_HTMLAudioWrapper_currentTimeFix ){\r
 189                         //this._timerID && X.Timer.remove( this._timerID );\r
 190                         this._beginTime = begin;\r
 191                         this._playTime  = X_Timer_now();\r
 192                                                 \r
 193                         if( end < this.duration ){\r
 194                                                 //this._timerID   = X.Timer.once( end - begin, this, this._onEnded );\r
 195                         } else {\r
 196                                 delete this._timerID;\r
 197                         };                      \r
 198                     };\r
 199 \r
 200                         },\r
 201                                 \r
 202                                 // [CHROME][FIX] volume\r
 203                                 _fixForChrome : X_UA.Chrome && function(){\r
 204                                         !this._closed && ( this._rawObject.volume = this.volume );\r
 205                                 },\r
 206                                 \r
 207                                 _onEnded : function(){\r
 208                                         var currentTime, time;\r
 209                                         \r
 210                                         delete this._timerID;\r
 211                                         \r
 212                             if( this.playing ){\r
 213                                 currentTime = X_Audio_HTMLAudioWrapper_currentTimeFix ? X_Timer_now() - this._playTime + this._beginTime : this._rawObject.currentTime * 1000 | 0;\r
 214                                 time        = currentTime - X_AudioWrapper_getEndTime( this );\r
 215                                 if( time < 0 ){\r
 216                                         console.log( '> onEnd ' + (-time) + ' ' + currentTime + '/' + X_AudioWrapper_getEndTime( this ) );\r
 217                                         //if( X_Audio_HTMLAudioWrapper_currentTimeFix ) this._timerID = X.Timer.once( -time, this, this._onEnded );\r
 218                                         return;\r
 219                                 };\r
 220                                 \r
 221                                 if( this.loop ){\r
 222                                         this.looped = true;\r
 223                                         this.play();\r
 224                                         this.proxy.dispatch( 'looped' );\r
 225                                 } else {\r
 226                                         this.pause();\r
 227                                         this.dispatch( 'ended' );\r
 228                                 };\r
 229                             };\r
 230                                 },\r
 231                         \r
 232                         pause : function(){\r
 233                                 if( !this.playing ) return;\r
 234                                 \r
 235                                 this.seekTime = this.state().currentTime;\r
 236                                 \r
 237                                 //this._timerID && X.Timer.remove( this._timerID );\r
 238                                 //delete this._timerID;\r
 239                                 delete this._playTime;\r
 240 \r
 241                         !this._rawObject.error && this._rawObject.pause();\r
 242                         delete this.playing;\r
 243                         },\r
 244         \r
 245                         state : function( obj ){\r
 246                                 var result;\r
 247                                 \r
 248                                 if( obj === undefined ){\r
 249                                     return {\r
 250                                         startTime     : this.startTime,\r
 251                                         endTime       : this.endTime < 0 ? this.duration : this.endTime,\r
 252                                         loopStartTime : this.loopStartTime < 0 ? this.startTime : this.loopStartTime,\r
 253                                         loopEndTime   : this.loopEndTime < 0 ? ( this.endTime || this.duration ) : this.loopEndTime,\r
 254                                         \r
 255                                         loop          : this.loop,\r
 256                                         looped        : this.looped,\r
 257                                         volume        : this.volume,\r
 258                                         playing       : this.playing, // && !this._rawObject.error && !this._rawObject.paused && !this._rawObject.ended,                                \r
 259                                         duration      : this.duration,\r
 260                                         \r
 261                                         currentTime   :\r
 262                                                 this.playing ?\r
 263                                                         ( X_Audio_HTMLAudioWrapper_currentTimeFix ?\r
 264                                                                 X_Timer_now() - this._playTime + this._beginTime :\r
 265                                                                 this._rawObject.currentTime * 1000 | 0 ) :\r
 266                                                         this.seekTime,\r
 267                                         /*\r
 268         http://www.w3schools.com/tags/av_prop_error.asp\r
 269         1 = MEDIA_ERR_ABORTED - fetching process aborted by user\r
 270     2 = MEDIA_ERR_NETWORK - error occurred when downloading\r
 271     3 = MEDIA_ERR_DECODE - error occurred when decoding\r
 272     4 = MEDIA_ERR_SRC_NOT_SUPPORTED - audio/video not supported\r
 273     */\r
 274                                         error         : this._rawObject.error || 0   // 0, 1 ~ 4 \r
 275                                     };                                  \r
 276                                 };\r
 277                         \r
 278                                 result = X_AudioWrapper_updateStates( this, obj );\r
 279                             \r
 280                                 if( result & 2 ){ // seek\r
 281                         this.play();\r
 282                                 //} else\r
 283                                 //if( result & 1 ){\r
 284                                         //if( X_Audio_HTMLAudioWrapper_currentTimeFix ){\r
 285                                         //      this.play();                                            \r
 286                                         //};\r
 287 \r
 288                                 } else\r
 289                                 if( result & 4 ){\r
 290                        this._rawObject.volume = this.volume;\r
 291                                 };\r
 292                             \r
 293                         }\r
 294         \r
 295                 }\r
 296         );\r
 297         \r
 298         X_Audio_BACKENDS.push(\r
 299                 {\r
 300                         backendName : 'HTML Audio',\r
 301                 /*\r
 302                  * 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
 303                  * https://developer.mozilla.org/ja/docs/Web/HTML/Supported_media_formats\r
 304                  * \r
 305                  * 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
 306                  * http://sothis.blog.so-net.ne.jp/2010-10-27\r
 307                  * 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
 308                  * \r
 309                  * IE9 の HTML5 Audio について\r
 310                  * http://kentablog.cluscore.com/2011/05/ie9-html5-audio.html\r
 311                  * 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
 312                  * 2.クロスドメインアクセスには、「clientaccesspolicy.xml」か「crossdomain.xml」が必要\r
 313                  * 3.wav が不可\r
 314                  * \r
 315                  * IE9でHTML5 autio タグが無効になる\r
 316                  * http://bbs.wankuma.com/index.cgi?mode=al2&namber=64886&KLOG=109\r
 317                  *  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
 318                  *  createElement等で動的生成すると、よろしくない\r
 319                  * \r
 320                  * media-can-play-wav-audio.html\r
 321                  * https://github.com/adobe/webkit/blob/master/LayoutTests/media/media-can-play-wav-audio.html\r
 322                  * testExpected("audio.canPlayType('audio/wav; codecs=1')", "probably");\r
 323                  * \r
 324                  * HTML5 audioタグ ブラウザ間の違い\r
 325                  * 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
 326                  *  - volume, muted iPhone(iOS4-6)、Android(2.3.6)では動作せず。\r
 327                  *  - 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
 328                  */     \r
 329                         detect : function( proxy, source, ext ){\r
 330                                 var ok, mineType = 'audio/' + ext;\r
 331                                 switch( ext ){\r
 332                                         case 'mp3' :\r
 333                                                 ok = X_UA.IE || X_UA.Chrome || ( X_UA.Windows && X_UA.Safari );\r
 334                                                 mineType = 'audio/mpeg';\r
 335                                                 break;\r
 336                                         case 'ogg' :\r
 337                                                 ok = 15 <= X_UA.Gecko || X_UA.Chrome || X_UA.Opera;\r
 338                                                 break;\r
 339                                         case 'm4a' :\r
 340                                                 ok = X_UA.IE || X_UA.WebKit;\r
 341                                                 mineType = 'audio/mp4';\r
 342                                                 break;\r
 343                                         case 'webm' :\r
 344                                                 ok = 2 <= X_UA.Gecko || 10.6 <= X_UA.Opera; // firefox4+(Gecko2+)\r
 345                                                 break;\r
 346                                         case 'wav' :\r
 347                                                 ok = X_UA.Gecko || X_UA.Opera || ( X_UA.Windows && X_UA.Safari );\r
 348                                                 //mineType = 'audio/wav'; // audio/x-wav ?\r
 349                                                 break;\r
 350                                         default :\r
 351                                                 mineType = '';\r
 352                                 };\r
 353                                 \r
 354                                 if( !ok && mineType ){\r
 355                                         if( !X_Audio_rawAudio ) X_Audio_rawAudio = new Audio;\r
 356                                         ok = X_Audio_rawAudio.canPlayType( mineType );\r
 357                                 };\r
 358                                 \r
 359                                 proxy.asyncDispatch( ok ? 'support' : 'nosupport' );\r
 360                         },\r
 361                         \r
 362                         klass : X_Audio_HTMLAudioWrapper\r
 363                         \r
 364                 } );\r
 365 \r
 366 /*\r
 367  * \r
 368  * howler.js\r
 369  *     codecs = {\r
 370       mp3: !!audioTest.canPlayType('audio/mpeg;').replace(/^no$/, ''),\r
 371       opus: !!audioTest.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/, ''),\r
 372       ogg: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ''),\r
 373       wav: !!audioTest.canPlayType('audio/wav; codecs="1"').replace(/^no$/, ''),\r
 374       aac: !!audioTest.canPlayType('audio/aac;').replace(/^no$/, ''),\r
 375       m4a: !!(audioTest.canPlayType('audio/x-m4a;') || audioTest.canPlayType('audio/m4a;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''),\r
 376       mp4: !!(audioTest.canPlayType('audio/x-mp4;') || audioTest.canPlayType('audio/mp4;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''),\r
 377       weba: !!audioTest.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, '')\r
 378     };\r
 379  */\r
 380         \r
 381 };\r
 382 \r
 383 \r
 384 \r
 385 \r
 386 \r