855 lines
23 KiB
JavaScript
Executable File
855 lines
23 KiB
JavaScript
Executable File
// ----------------------------------------------------------------------------
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// Buzz, a Javascript HTML5 Audio library
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// v 1.0.4 beta
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// Licensed under the MIT license.
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// http://buzz.jaysalvat.com/
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// ----------------------------------------------------------------------------
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// Copyright (C) 2011 Jay Salvat
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// http://jaysalvat.com/
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// ----------------------------------------------------------------------------
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files ( the "Software" ), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// ----------------------------------------------------------------------------
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var buzz = {
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defaults: {
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autoplay: false,
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duration: 5000,
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formats: [],
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loop: false,
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placeholder: '--',
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preload: 'metadata',
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volume: 80
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},
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types: {
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'mp3': 'audio/mpeg',
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'ogg': 'audio/ogg',
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'wav': 'audio/wav',
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'aac': 'audio/aac',
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'm4a': 'audio/x-m4a'
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},
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sounds: [],
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el: document.createElement( 'audio' ),
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sound: function( src, options ) {
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options = options || {};
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var pid = 0,
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events = [],
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eventsOnce = {},
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supported = buzz.isSupported();
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// publics
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this.load = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.load();
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return this;
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};
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this.play = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.play();
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return this;
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};
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this.togglePlay = function() {
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if ( !supported ) {
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return this;
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}
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if ( this.sound.paused ) {
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this.sound.play();
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} else {
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this.sound.pause();
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}
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return this;
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};
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this.pause = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.pause();
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return this;
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};
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this.isPaused = function() {
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if ( !supported ) {
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return null;
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}
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return this.sound.paused;
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};
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this.stop = function() {
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if ( !supported ) {
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return this;
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}
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this.setTime( this.getDuration() );
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this.sound.pause();
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return this;
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};
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this.isEnded = function() {
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if ( !supported ) {
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return null;
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}
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return this.sound.ended;
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};
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this.loop = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.loop = 'loop';
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this.bind( 'ended.buzzloop', function() {
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this.currentTime = 0;
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this.play();
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});
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return this;
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};
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this.unloop = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.removeAttribute( 'loop' );
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this.unbind( 'ended.buzzloop' );
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return this;
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};
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this.mute = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.muted = true;
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return this;
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};
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this.unmute = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.muted = false;
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return this;
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};
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this.toggleMute = function() {
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if ( !supported ) {
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return this;
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}
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this.sound.muted = !this.sound.muted;
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return this;
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};
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this.isMuted = function() {
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if ( !supported ) {
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return null;
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}
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return this.sound.muted;
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};
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this.setVolume = function( volume ) {
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if ( !supported ) {
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return this;
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}
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if ( volume < 0 ) {
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volume = 0;
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}
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if ( volume > 100 ) {
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volume = 100;
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}
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this.volume = volume;
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this.sound.volume = volume / 100;
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return this;
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};
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this.getVolume = function() {
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if ( !supported ) {
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return this;
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}
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return this.volume;
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};
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this.increaseVolume = function( value ) {
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return this.setVolume( this.volume + ( value || 1 ) );
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};
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this.decreaseVolume = function( value ) {
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return this.setVolume( this.volume - ( value || 1 ) );
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};
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this.setTime = function( time ) {
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if ( !supported ) {
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return this;
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}
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this.whenReady( function() {
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this.sound.currentTime = time;
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});
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return this;
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};
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this.getTime = function() {
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if ( !supported ) {
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return null;
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}
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var time = Math.round( this.sound.currentTime * 100 ) / 100;
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return isNaN( time ) ? buzz.defaults.placeholder : time;
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};
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this.setPercent = function( percent ) {
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if ( !supported ) {
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return this;
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}
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return this.setTime( buzz.fromPercent( percent, this.sound.duration ) );
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};
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this.getPercent = function() {
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if ( !supported ) {
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return null;
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}
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var percent = Math.round( buzz.toPercent( this.sound.currentTime, this.sound.duration ) );
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return isNaN( percent ) ? buzz.defaults.placeholder : percent;
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};
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this.setSpeed = function( duration ) {
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if ( !supported ) {
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return this;
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}
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this.sound.playbackRate = duration;
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};
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this.getSpeed = function() {
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if ( !supported ) {
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return null;
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}
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return this.sound.playbackRate;
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};
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this.getDuration = function() {
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if ( !supported ) {
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return null;
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}
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var duration = Math.round( this.sound.duration * 100 ) / 100;
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return isNaN( duration ) ? buzz.defaults.placeholder : duration;
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};
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this.getPlayed = function() {
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if ( !supported ) {
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return null;
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}
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return timerangeToArray( this.sound.played );
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};
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this.getBuffered = function() {
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if ( !supported ) {
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return null;
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}
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return timerangeToArray( this.sound.buffered );
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};
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this.getSeekable = function() {
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if ( !supported ) {
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return null;
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}
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return timerangeToArray( this.sound.seekable );
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};
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this.getErrorCode = function() {
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if ( supported && this.sound.error ) {
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return this.sound.error.code;
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}
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return 0;
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};
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this.getErrorMessage = function() {
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if ( !supported ) {
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return null;
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}
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switch( this.getErrorCode() ) {
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case 1:
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return 'MEDIA_ERR_ABORTED';
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case 2:
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return 'MEDIA_ERR_NETWORK';
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case 3:
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return 'MEDIA_ERR_DECODE';
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case 4:
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return 'MEDIA_ERR_SRC_NOT_SUPPORTED';
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default:
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return null;
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}
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};
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this.getStateCode = function() {
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if ( !supported ) {
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return null;
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}
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return this.sound.readyState;
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};
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this.getStateMessage = function() {
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if ( !supported ) {
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return null;
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}
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switch( this.getStateCode() ) {
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case 0:
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return 'HAVE_NOTHING';
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case 1:
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return 'HAVE_METADATA';
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case 2:
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return 'HAVE_CURRENT_DATA';
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case 3:
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return 'HAVE_FUTURE_DATA';
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case 4:
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return 'HAVE_ENOUGH_DATA';
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default:
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return null;
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}
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};
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this.getNetworkStateCode = function() {
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if ( !supported ) {
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return null;
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}
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return this.sound.networkState;
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};
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this.getNetworkStateMessage = function() {
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if ( !supported ) {
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return null;
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}
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switch( this.getNetworkStateCode() ) {
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case 0:
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return 'NETWORK_EMPTY';
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case 1:
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return 'NETWORK_IDLE';
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case 2:
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return 'NETWORK_LOADING';
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case 3:
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return 'NETWORK_NO_SOURCE';
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default:
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return null;
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}
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};
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this.set = function( key, value ) {
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if ( !supported ) {
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return this;
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}
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this.sound[ key ] = value;
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return this;
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};
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this.get = function( key ) {
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if ( !supported ) {
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return null;
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}
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return key ? this.sound[ key ] : this.sound;
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};
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this.bind = function( types, func ) {
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if ( !supported ) {
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return this;
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}
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types = types.split( ' ' );
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var that = this,
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efunc = function( e ) { func.call( that, e ); };
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for( var t = 0; t < types.length; t++ ) {
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var type = types[ t ],
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idx = type;
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type = idx.split( '.' )[ 0 ];
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events.push( { idx: idx, func: efunc } );
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this.sound.addEventListener( type, efunc, true );
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}
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return this;
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};
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this.unbind = function( types ) {
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if ( !supported ) {
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return this;
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}
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types = types.split( ' ' );
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for( var t = 0; t < types.length; t++ ) {
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var idx = types[ t ],
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type = idx.split( '.' )[ 0 ];
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for( var i = 0; i < events.length; i++ ) {
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var namespace = events[ i ].idx.split( '.' );
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if ( events[ i ].idx == idx || ( namespace[ 1 ] && namespace[ 1 ] == idx.replace( '.', '' ) ) ) {
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this.sound.removeEventListener( type, events[ i ].func, true );
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delete events[ i ];
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}
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}
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}
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return this;
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};
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this.bindOnce = function( type, func ) {
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if ( !supported ) {
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return this;
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}
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var that = this;
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eventsOnce[ pid++ ] = false;
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this.bind( pid + type, function() {
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if ( !eventsOnce[ pid ] ) {
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eventsOnce[ pid ] = true;
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func.call( that );
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}
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that.unbind( pid + type );
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});
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};
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this.trigger = function( types ) {
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if ( !supported ) {
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return this;
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}
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types = types.split( ' ' );
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for( var t = 0; t < types.length; t++ ) {
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var idx = types[ t ];
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for( var i = 0; i < events.length; i++ ) {
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var eventType = events[ i ].idx.split( '.' );
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if ( events[ i ].idx == idx || ( eventType[ 0 ] && eventType[ 0 ] == idx.replace( '.', '' ) ) ) {
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var evt = document.createEvent('HTMLEvents');
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evt.initEvent( eventType[ 0 ], false, true );
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this.sound.dispatchEvent( evt );
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}
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}
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}
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return this;
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};
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this.fadeTo = function( to, duration, callback ) {
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if ( !supported ) {
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return this;
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}
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if ( duration instanceof Function ) {
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callback = duration;
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duration = buzz.defaults.duration;
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} else {
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duration = duration || buzz.defaults.duration;
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}
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var from = this.volume,
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delay = duration / Math.abs( from - to ),
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that = this;
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this.play();
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function doFade() {
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setTimeout( function() {
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if ( from < to && that.volume < to ) {
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that.setVolume( that.volume += 1 );
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doFade();
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} else if ( from > to && that.volume > to ) {
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that.setVolume( that.volume -= 1 );
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doFade();
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} else if ( callback instanceof Function ) {
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callback.apply( that );
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}
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}, delay );
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}
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this.whenReady( function() {
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doFade();
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});
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return this;
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};
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this.fadeIn = function( duration, callback ) {
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if ( !supported ) {
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return this;
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}
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return this.setVolume(0).fadeTo( 100, duration, callback );
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};
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this.fadeOut = function( duration, callback ) {
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if ( !supported ) {
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return this;
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}
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return this.fadeTo( 0, duration, callback );
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};
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this.fadeWith = function( sound, duration ) {
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if ( !supported ) {
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return this;
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}
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this.fadeOut( duration, function() {
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this.stop();
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});
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sound.play().fadeIn( duration );
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return this;
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};
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this.whenReady = function( func ) {
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if ( !supported ) {
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return null;
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}
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var that = this;
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if ( this.sound.readyState === 0 ) {
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this.bind( 'canplay.buzzwhenready', function() {
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func.call( that );
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});
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} else {
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func.call( that );
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}
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};
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// privates
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function timerangeToArray( timeRange ) {
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var array = [],
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length = timeRange.length - 1;
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for( var i = 0; i <= length; i++ ) {
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array.push({
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start: timeRange.start( length ),
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end: timeRange.end( length )
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});
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}
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return array;
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}
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function getExt( filename ) {
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return filename.split('.').pop();
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}
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function addSource( sound, src ) {
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var source = document.createElement( 'source' );
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source.src = src;
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if ( buzz.types[ getExt( src ) ] ) {
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source.type = buzz.types[ getExt( src ) ];
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}
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sound.appendChild( source );
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}
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// init
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if ( supported ) {
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for(var i in buzz.defaults ) {
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if(buzz.defaults.hasOwnProperty(i)) {
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options[ i ] = options[ i ] || buzz.defaults[ i ];
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}
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}
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this.sound = document.createElement( 'audio' );
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if ( src instanceof Array ) {
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for( var j in src ) {
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if(src.hasOwnProperty(j)) {
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addSource( this.sound, src[ j ] );
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}
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}
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} else if ( options.formats.length ) {
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for( var k in options.formats ) {
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if(options.formats.hasOwnProperty(k)) {
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addSource( this.sound, src + '.' + options.formats[ k ] );
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}
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}
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} else {
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addSource( this.sound, src );
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}
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if ( options.loop ) {
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this.loop();
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}
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if ( options.autoplay ) {
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this.sound.autoplay = 'autoplay';
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}
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if ( options.preload === true ) {
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this.sound.preload = 'auto';
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} else if ( options.preload === false ) {
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this.sound.preload = 'none';
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} else {
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this.sound.preload = options.preload;
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}
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this.setVolume( options.volume );
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buzz.sounds.push( this );
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}
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},
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group: function( sounds ) {
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sounds = argsToArray( sounds, arguments );
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// publics
|
|
this.getSounds = function() {
|
|
return sounds;
|
|
};
|
|
|
|
this.add = function( soundArray ) {
|
|
soundArray = argsToArray( soundArray, arguments );
|
|
for( var a = 0; a < soundArray.length; a++ ) {
|
|
sounds.push( soundArray[ a ] );
|
|
}
|
|
};
|
|
|
|
this.remove = function( soundArray ) {
|
|
soundArray = argsToArray( soundArray, arguments );
|
|
for( var a = 0; a < soundArray.length; a++ ) {
|
|
for( var i = 0; i < sounds.length; i++ ) {
|
|
if ( sounds[ i ] == soundArray[ a ] ) {
|
|
delete sounds[ i ];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
this.load = function() {
|
|
fn( 'load' );
|
|
return this;
|
|
};
|
|
|
|
this.play = function() {
|
|
fn( 'play' );
|
|
return this;
|
|
};
|
|
|
|
this.togglePlay = function( ) {
|
|
fn( 'togglePlay' );
|
|
return this;
|
|
};
|
|
|
|
this.pause = function( time ) {
|
|
fn( 'pause', time );
|
|
return this;
|
|
};
|
|
|
|
this.stop = function() {
|
|
fn( 'stop' );
|
|
return this;
|
|
};
|
|
|
|
this.mute = function() {
|
|
fn( 'mute' );
|
|
return this;
|
|
};
|
|
|
|
this.unmute = function() {
|
|
fn( 'unmute' );
|
|
return this;
|
|
};
|
|
|
|
this.toggleMute = function() {
|
|
fn( 'toggleMute' );
|
|
return this;
|
|
};
|
|
|
|
this.setVolume = function( volume ) {
|
|
fn( 'setVolume', volume );
|
|
return this;
|
|
};
|
|
|
|
this.increaseVolume = function( value ) {
|
|
fn( 'increaseVolume', value );
|
|
return this;
|
|
};
|
|
|
|
this.decreaseVolume = function( value ) {
|
|
fn( 'decreaseVolume', value );
|
|
return this;
|
|
};
|
|
|
|
this.loop = function() {
|
|
fn( 'loop' );
|
|
return this;
|
|
};
|
|
|
|
this.unloop = function() {
|
|
fn( 'unloop' );
|
|
return this;
|
|
};
|
|
|
|
this.setTime = function( time ) {
|
|
fn( 'setTime', time );
|
|
return this;
|
|
};
|
|
|
|
this.setduration = function( duration ) {
|
|
fn( 'setduration', duration );
|
|
return this;
|
|
};
|
|
|
|
this.set = function( key, value ) {
|
|
fn( 'set', key, value );
|
|
return this;
|
|
};
|
|
|
|
this.bind = function( type, func ) {
|
|
fn( 'bind', type, func );
|
|
return this;
|
|
};
|
|
|
|
this.unbind = function( type ) {
|
|
fn( 'unbind', type );
|
|
return this;
|
|
};
|
|
|
|
this.bindOnce = function( type, func ) {
|
|
fn( 'bindOnce', type, func );
|
|
return this;
|
|
};
|
|
|
|
this.trigger = function( type ) {
|
|
fn( 'trigger', type );
|
|
return this;
|
|
};
|
|
|
|
this.fade = function( from, to, duration, callback ) {
|
|
fn( 'fade', from, to, duration, callback );
|
|
return this;
|
|
};
|
|
|
|
this.fadeIn = function( duration, callback ) {
|
|
fn( 'fadeIn', duration, callback );
|
|
return this;
|
|
};
|
|
|
|
this.fadeOut = function( duration, callback ) {
|
|
fn( 'fadeOut', duration, callback );
|
|
return this;
|
|
};
|
|
|
|
// privates
|
|
function fn() {
|
|
var args = argsToArray( null, arguments ),
|
|
func = args.shift();
|
|
|
|
for( var i = 0; i < sounds.length; i++ ) {
|
|
sounds[ i ][ func ].apply( sounds[ i ], args );
|
|
}
|
|
}
|
|
|
|
function argsToArray( array, args ) {
|
|
return ( array instanceof Array ) ? array : Array.prototype.slice.call( args );
|
|
}
|
|
},
|
|
|
|
all: function() {
|
|
return new buzz.group( buzz.sounds );
|
|
},
|
|
|
|
isSupported: function() {
|
|
return !!buzz.el.canPlayType;
|
|
},
|
|
|
|
isOGGSupported: function() {
|
|
return !!buzz.el.canPlayType && buzz.el.canPlayType( 'audio/ogg; codecs="vorbis"' );
|
|
},
|
|
|
|
isWAVSupported: function() {
|
|
return !!buzz.el.canPlayType && buzz.el.canPlayType( 'audio/wav; codecs="1"' );
|
|
},
|
|
|
|
isMP3Supported: function() {
|
|
return !!buzz.el.canPlayType && buzz.el.canPlayType( 'audio/mpeg;' );
|
|
},
|
|
|
|
isAACSupported: function() {
|
|
return !!buzz.el.canPlayType && ( buzz.el.canPlayType( 'audio/x-m4a;' ) || buzz.el.canPlayType( 'audio/aac;' ) );
|
|
},
|
|
|
|
toTimer: function( time, withHours ) {
|
|
var h, m, s;
|
|
h = Math.floor( time / 3600 );
|
|
h = isNaN( h ) ? '--' : ( h >= 10 ) ? h : '0' + h;
|
|
m = withHours ? Math.floor( time / 60 % 60 ) : Math.floor( time / 60 );
|
|
m = isNaN( m ) ? '--' : ( m >= 10 ) ? m : '0' + m;
|
|
s = Math.floor( time % 60 );
|
|
s = isNaN( s ) ? '--' : ( s >= 10 ) ? s : '0' + s;
|
|
return withHours ? h + ':' + m + ':' + s : m + ':' + s;
|
|
},
|
|
|
|
fromTimer: function( time ) {
|
|
var splits = time.toString().split( ':' );
|
|
if ( splits && splits.length == 3 ) {
|
|
time = ( parseInt( splits[ 0 ], 10 ) * 3600 ) + ( parseInt(splits[ 1 ], 10 ) * 60 ) + parseInt( splits[ 2 ], 10 );
|
|
}
|
|
if ( splits && splits.length == 2 ) {
|
|
time = ( parseInt( splits[ 0 ], 10 ) * 60 ) + parseInt( splits[ 1 ], 10 );
|
|
}
|
|
return time;
|
|
},
|
|
|
|
toPercent: function( value, total, decimal ) {
|
|
var r = Math.pow( 10, decimal || 0 );
|
|
|
|
return Math.round( ( ( value * 100 ) / total ) * r ) / r;
|
|
},
|
|
|
|
fromPercent: function( percent, total, decimal ) {
|
|
var r = Math.pow( 10, decimal || 0 );
|
|
|
|
return Math.round( ( ( total / 100 ) * percent ) * r ) / r;
|
|
}
|
|
};
|