12 create : function( sourceList, opt_option ){
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13 return new X_AudioProxy( X.Type.isArray( sourceList ) ? X_Object_cloneArray( sourceList ) : [ sourceList ], opt_option || {} );
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17 var X_Audio_BACKENDS = [],
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18 X_Audio_WRAPPER_LIST = [];
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21 * TODO preplayerror play してみたら error が出た、backend の変更。
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24 function X_Audio_detectBackend( proxy, sourceList, option ){
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25 var source = sourceList.shift() || '',
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26 parts = X_URL_cleanup( source ).split( '.' ),
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27 ext = parts[ parts.length - 1 ],
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28 backend = X_Audio_BACKENDS[ 0 ],
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31 if( source && backend ){
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32 sup = [ proxy, option, sourceList, source, ext ];
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35 proxy.listenOnce( [ 'support', 'nosupport' ], backend, X_Audio_detectComplete, sup );
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36 backend.detect( proxy, source, ext );
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38 proxy.asyncDispatch( 'nobackend' );
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42 function X_Audio_detectComplete( e, proxy, option, sourceList, source, ext, sup ){
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43 var i = X_Audio_BACKENDS.indexOf( this ), backend;
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45 proxy.unlisten( [ 'support', 'nosupport' ], backend, X_Audio_detectComplete, sup );
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50 proxy.asyncDispatch( { type : 'backendfound', option : option, source : source } );
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53 if( backend = X_Audio_BACKENDS[ i + 1 ] ){
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54 proxy.listenOnce( [ 'support', 'nosupport' ], backend, X_Audio_detectComplete, sup );
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55 backend.detect( proxy, source, ext );
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57 if( sourceList.length ){
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58 X_Audio_detectBackend( proxy, sourceList, option );
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60 proxy.asyncDispatch( 'nobackend' );
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66 function X_AudioProxy_getAudioWrapper( proxy ){
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67 var i = X_Audio_WRAPPER_LIST.length;
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69 if( X_Audio_WRAPPER_LIST[ --i ].proxy === proxy ) return X_Audio_WRAPPER_LIST[ i ];
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73 var X_AudioProxy = X.EventDispatcher.inherits(
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75 X.Class.POOL_OBJECT,
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81 Constructor : function( sourceList, option ){
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82 X_Audio_detectBackend( this, sourceList, option );
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83 this.listenOnce( [ 'backendfound', 'nobackend', X.Event.KILL_INSTANCE ], X_AudioProxy_handleEvent );
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87 return this._backend !== -1 && X_AudioProxy_getAudioWrapper( this ).close();
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90 play : function( startTime, endTime, loop, loopStartTime, loopEndTime ){
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91 var state, duration;
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92 if( 0 <= startTime ){
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94 currentTime : startTime,
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95 startTime : startTime,
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98 loopStartTime : loopStartTime,
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99 loopEndTime : loopEndTime
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102 this._backend !== -1 && X_AudioProxy_getAudioWrapper( this ).play();
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106 seek : function( seekTime ){
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107 var state = this.state(),
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108 end = X_AudioWrapper_getEndTime( X_AudioProxy_getAudioWrapper( this ) );
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109 if( seekTime < end ){
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110 this.state( { currentTime : seekTime } );
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115 pause : function(){
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116 this.state().playing && X_AudioProxy_getAudioWrapper( this ).pause();
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120 state : function( obj ){
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121 var backend = this._backend !== -1 && X_AudioProxy_getAudioWrapper( this );
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123 if( obj === undefined ){
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129 loopStartTime : -1,
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137 source : this.source || '',
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141 backend && backend.state( obj );
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145 loop : function( v ){
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146 var backend = this._backend !== -1 && X_AudioProxy_getAudioWrapper( this );
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147 if( v === undefined ){
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148 return backend && backend.state().loop;
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150 backend && backend.state( { loop : v } );
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154 volume : function( v ){
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155 var backend = this._backend !== -1 && X_AudioProxy_getAudioWrapper( this );
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156 if( v === undefined ){
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157 return backend && backend.state().volume;
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159 backend && backend.state( { volume : v } );
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163 currentTime : function( v ){
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164 var backend = this._backend !== -1 && X_AudioProxy_getAudioWrapper( this );
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165 if( v === undefined ){
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166 return backend && backend.state().currentTime;
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168 backend && backend.state( { currentTime : v } );
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172 isPlaying : function(){
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173 return this._backend !== -1 && X_AudioProxy_getAudioWrapper( this ).state().playing;
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179 function X_AudioProxy_handleEvent( e ){
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181 case 'backendfound' :
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182 this.unlisten( 'nobackend', X_AudioProxy_handleEvent );
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183 this.source = e.source;
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184 this.backendName = X_Audio_BACKENDS[ this._backend ].backendName;
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185 X_Audio_WRAPPER_LIST.push( new X_Audio_BACKENDS[ this._backend ].klass( this, e.source, e.option ) );
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192 case X.Event.KILL_INSTANCE :
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198 function X_AudioWrapper_updateStates( audioWrapper, obj ){
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199 var playing = audioWrapper.playing,
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201 end = 0, seek = 0, volume = 0;
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206 case 'currentTime' :
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207 v = X_AudioWrapper_timeStringToNumber( v );
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208 if( X.Type.isNumber( v ) ){
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210 if( audioWrapper.state().currentTime !== v ){
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211 audioWrapper.seekTime = v;
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215 audioWrapper.seekTime = v;
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224 case 'loopStartTime' :
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225 case 'loopEndTime' :
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226 v = X_AudioWrapper_timeStringToNumber( v );
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227 console.log( k + ' ' + v );
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228 if( v || v === 0 ){
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229 if( audioWrapper[ k ] !== v ){
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230 audioWrapper[ k ] = v;
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232 // 再生中の endTime の変更
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233 if( playing && ( k === 'endTime' || k === 'loopEndTime' ) ) end = 1;
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236 delete audioWrapper[ k ];
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237 if( playing && ( k === 'endTime' || k === 'loopEndTime' ) ) end = 1;
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243 if( X.Type.isBoolean( v ) && audioWrapper[ k ] !== v ){
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244 audioWrapper[ k ] = v;
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249 if( X.Type.isNumber( v ) ){
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250 v = v < 0 ? 0 : 1 < v ? 1 : v;
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251 if( audioWrapper[ k ] !== v ){
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252 audioWrapper[ k ] = v;
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253 // if playing -> update
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254 if( playing ) volume = 4;
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261 if( audioWrapper.endTime < audioWrapper.startTime ||
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262 ( audioWrapper.loopEndTime < 0 ? audioWrapper.endTime : audioWrapper.loopEndTime ) < ( audioWrapper.loopStartTime < 0 ? audioWrapper.startTime : audioWrapper.loopStartTime ) ||
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263 X_AudioWrapper_getEndTime( audioWrapper ) < audioWrapper.seekTime// ||
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264 //audioWrapper.duration < audioWrapper.endTime
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266 //alert( 'error @updateStateObject() begin:' + audioWrapper.startTime + ' end:' + audioWrapper.endTime + ' d:' + audioWrapper.duration + ' ls:' + audioWrapper.loopStartTime );
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270 return end + seek + volume;
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273 function X_AudioWrapper_timeStringToNumber( time ){
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274 var ary, ms, s = 0, m = 0, h = 0;
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275 if( X.Type.isNumber( time ) ) return time;
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276 if( !X.Type.isString( time ) || !time.length ) return;
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278 ary = time.split( '.' );
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279 ms = parseInt( ( ary[ 1 ] + '000' ).substr( 0, 3 ) ) || 0;
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281 ary = ary[ 0 ].split( ':' );
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282 if( 3 < ary.length ) return;
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284 switch( ary.length ){
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288 s = parseInt( ary[ 0 ] ) || 0;
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291 m = parseInt( ary[ 0 ] ) || 0;
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292 s = parseInt( ary[ 1 ] ) || 0;
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293 if( 60 <= s ) alert( 'invalid time string ' + time );
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296 h = parseInt( ary[ 0 ] ) || 0;
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297 m = parseInt( ary[ 1 ] ) || 0;
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298 s = parseInt( ary[ 2 ] ) || 0;
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299 if( 60 <= s ) alert( 'invalid time string ' + time );
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300 if( 60 <= m ) alert( 'invalid time string ' + time );
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303 alert( 'invalid time string ' + time );
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305 ms = ( h * 3600 + m * 60 + s ) * 1000 + ms;
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306 return ms < 0 ? 0 : ms;
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309 function X_AudioWrapper_getStartTime( audioWrapper, endTime, delSeekTime ){
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310 var seek = audioWrapper.seekTime;
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311 if( delSeekTime ) delete audioWrapper.seekTime;
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314 if( audioWrapper.duration <= seek || endTime < seek ) return 0;
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318 if( audioWrapper.looped && 0 <= audioWrapper.loopStartTime ){
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319 if( audioWrapper.duration <= audioWrapper.loopStartTime || endTime < audioWrapper.loopStartTime ) return 0;
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320 return audioWrapper.loopStartTime;
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323 if( audioWrapper.startTime < 0 || audioWrapper.duration <= audioWrapper.startTime ) return 0;
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324 return audioWrapper.startTime;
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327 function X_AudioWrapper_getEndTime( audioWrapper ){
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328 var duration = audioWrapper.duration;
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330 if( audioWrapper.looped && 0 <= audioWrapper.loopEndTime ){
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331 if( duration <= audioWrapper.loopEndTime ) return duration;
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332 return audioWrapper.loopEndTime;
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335 if( audioWrapper.endTime < 0 || duration <= audioWrapper.endTime ) return duration;
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336 return audioWrapper.endTime;
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