5 lines
22 KiB
JavaScript
5 lines
22 KiB
JavaScript
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/*! wavesurfer.js 1.0.42
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* https://github.com/katspaugh/wavesurfer.js
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* @license CC-BY-3.0 */
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"use strict";var WaveSurfer={defaultParams:{height:128,waveColor:"#999",progressColor:"#555",cursorColor:"#333",cursorWidth:1,skipLength:2,minPxPerSec:20,pixelRatio:window.devicePixelRatio,fillParent:!0,scrollParent:!1,hideScrollbar:!1,normalize:!1,audioContext:null,container:null,dragSelection:!0,loopSelection:!0,audioRate:1,interact:!0,splitChannels:!1,renderer:"Canvas",backend:"WebAudio",mediaType:"audio"},init:function(a){if(this.params=WaveSurfer.util.extend({},this.defaultParams,a),this.container="string"==typeof a.container?document.querySelector(this.params.container):this.params.container,!this.container)throw new Error("Container element not found");if("undefined"==typeof this.params.mediaContainer?this.mediaContainer=this.container:"string"==typeof this.params.mediaContainer?this.mediaContainer=document.querySelector(this.params.mediaContainer):this.mediaContainer=this.params.mediaContainer,!this.mediaContainer)throw new Error("Media Container element not found");this.savedVolume=0,this.isMuted=!1,this.tmpEvents=[],this.createDrawer(),this.createBackend()},createDrawer:function(){var a=this;this.drawer=Object.create(WaveSurfer.Drawer[this.params.renderer]),this.drawer.init(this.container,this.params),this.drawer.on("redraw",function(){a.drawBuffer(),a.drawer.progress(a.backend.getPlayedPercents())}),this.drawer.on("click",function(b,c){setTimeout(function(){a.seekTo(c)},0)}),this.drawer.on("scroll",function(b){a.fireEvent("scroll",b)})},createBackend:function(){var a=this;this.backend&&this.backend.destroy(),"AudioElement"==this.params.backend&&(this.params.backend="MediaElement"),"WebAudio"!=this.params.backend||WaveSurfer.WebAudio.supportsWebAudio()||(this.params.backend="MediaElement"),this.backend=Object.create(WaveSurfer[this.params.backend]),this.backend.init(this.params),this.backend.on("finish",function(){a.fireEvent("finish")}),this.backend.on("play",function(){a.fireEvent("play")}),this.backend.on("pause",function(){a.fireEvent("pause")}),this.backend.on("audioprocess",function(b){a.drawer.progress(a.backend.getPlayedPercents()),a.fireEvent("audioprocess",b)})},getDuration:function(){return this.backend.getDuration()},getCurrentTime:function(){return this.backend.getCurrentTime()},play:function(a,b){this.backend.play(a,b)},pause:function(){this.backend.pause()},playPause:function(){this.backend.isPaused()?this.play():this.pause()},isPlaying:function(){return!this.backend.isPaused()},skipBackward:function(a){this.skip(-a||-this.params.skipLength)},skipForward:function(a){this.skip(a||this.params.skipLength)},skip:function(a){var b=this.getCurrentTime()||0,c=this.getDuration()||1;b=Math.max(0,Math.min(c,b+(a||0))),this.seekAndCenter(b/c)},seekAndCenter:function(a){this.seekTo(a),this.drawer.recenter(a)},seekTo:function(a){var b=this.backend.isPaused(),c=this.params.scrollParent;b&&(this.params.scrollParent=!1),this.backend.seekTo(a*this.getDuration()),this.drawer.progress(this.backend.getPlayedPercents()),b||(this.backend.pause(),this.backend.play()),this.params.scrollParent=c,this.fireEvent("seek",a)},stop:function(){this.pause(),this.seekTo(0),this.drawer.progress(0)},setVolume:function(a){this.backend.setVolume(a)},setPlaybackRate:function(a){this.backend.setPlaybackRate(a)},toggleMute:function(){this.isMuted?(this.backend.setVolume(this.savedVolume),this.isMuted=!1):(this.savedVolume=this.backend.getVolume(),this.backend.setVolume(0),this.isMuted=!0)},toggleScroll:function(){this.params.scrollParent=!this.params.scrollParent,this.drawBuffer()},toggleInteraction:function(){this.params.interact=!this.params.interact},drawBuffer:function(){var a=Math.round(this.getDuration()*this.params.minPxPerSec*this.params.pixelRatio),b=this.drawer.getWidth(),c=a;this.params.fillParent&&(!this.params.scrollParent||b>a)&&(c=b);var d=this.backend.getPeaks(c);this.drawer.drawPeaks(d,c),this.fireEvent("redraw",d,c)},zoom:function(a){this.params.minPxPerSec=a,this.params.scrollParent=!0,this.drawBuffer(),this.seekAndCenter(this.getCurrentTime()/this.getDuration())},loadArrayBuffer:function(a){this.decodeArrayBuffer(a,
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//# sourceMappingURL=wavesurfer.min.js.map
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