6 lines
141 KiB
JavaScript
6 lines
141 KiB
JavaScript
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/*
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录音
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https://github.com/xiangyuecn/Recorder
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src: recorder-core.js,engine/mp3.js,engine/mp3-engine.js
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*/
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!function(e){var t="object"==typeof window&&!!window.document,a=t?window:Object;!function(e,y){"use strict";var A=function(){},f=function(e){return"number"==typeof e},B=function(e){return JSON.stringify(e)},W=function(e){return new _(e)},k=W.LM="2025-01-11 09:28",R="https://github.com/xiangyuecn/Recorder",T="Recorder",x="getUserMedia",N="srcSampleRate",V="sampleRate",i="bitRate",E="catch",t=e[T];if(t&&t.LM==k)return t.CLog(t.i18n.$T("K8zP::重复导入{1}",0,T),3);W.IsOpen=function(){var e=W.Stream;if(e){var t=j(e),a=t[0];if(a){var n=a.readyState;return"live"==n||n==a.LIVE}}return!1},W.BufferSize=4096,W.Destroy=function(){for(var e in Q(T+" Destroy"),F(),a)a[e]()};var a={};W.BindDestroy=function(e,t){a[e]=t},W.Support=function(){if(!y)return!1;var e=navigator.mediaDevices||{};return e[x]||(e=navigator)[x]||(e[x]=e.webkitGetUserMedia||e.mozGetUserMedia||e.msGetUserMedia),!!e[x]&&(W.Scope=e,!!W.GetContext())},W.GetContext=function(e){if(!y)return null;var t=window.AudioContext;if(t||(t=window.webkitAudioContext),!t)return null;var a=W.Ctx,n=0;return a||(a=W.Ctx=new t,n=1,W.NewCtxs=W.NewCtxs||[],W.BindDestroy("Ctx",function(){var e=W.Ctx;e&&e.close&&(s(e),W.Ctx=0);var t=W.NewCtxs;W.NewCtxs=[];for(var a=0;a<t.length;a++)s(t[a])})),e&&a.close&&(n||(a._useC||s(a),a=new t),a._useC=1,W.NewCtxs.push(a)),a},W.CloseNewCtx=function(e){if(e&&e.close){s(e);for(var t=W.NewCtxs||[],a=t.length,n=0;n<t.length;n++)if(t[n]==e){t.splice(n,1);break}Q($("mSxV::剩{1}个GetContext未close",0,a+"-1="+t.length),t.length?3:0)}};var s=function(e){if(e&&e.close&&!e._isC&&(e._isC=1,"closed"!=e.state))try{e.close()}catch(e){Q("ctx close err",1,e)}},C=W.ResumeCtx=function(a,n,s,r){var i=0,o=0,_=0,l=0,f="EventListener",c="ResumeCtx ",u=function(e,t){o&&h(),i||(i=1,e&&r(e,l),t&&s(l)),t&&(!a._LsSC&&a["add"+f]&&a["add"+f]("statechange",b),a._LsSC=1,_=1)},h=function(e){if(!e||!o){o=e?1:0;for(var t=["focus","mousedown","mouseup","touchstart","touchend"],a=0;a<t.length;a++)window[(e?"add":"remove")+f](t[a],b,!0)}},b=function(){var e=a.state,t=p(e);if(!i&&!n(t?++l:l))return u();t?(_&&Q(c+"sc "+e,3),h(1),a.resume().then(function(){_&&Q(c+"sc "+a.state),u(0,1)})[E](function(e){Q(c+"error",1,e),p(a.state)||u(e.message||"error")})):"closed"==e?(_&&!a._isC&&Q(c+"sc "+e,1),u("ctx closed")):u(0,1)};b()},p=W.CtxSpEnd=function(e){return"suspended"==e||"interrupted"==e},I=function(e){var t=e.state,a="ctx.state="+t;return p(t)&&(a+=$("nMIy::（注意：ctx不是running状态，rec.open和start至少要有一个在用户操作(触摸、点击等)时进行调用，否则将在rec.start时尝试进行ctx.resume，可能会产生兼容性问题(仅iOS)，请参阅文档中runningContext配置）")),a},L="ConnectEnableWebM";W[L]=!0;var P="ConnectEnableWorklet";W[P]=!1;var H=function(e){var _=e.BufferSize||W.BufferSize,l=e.Stream,i=l._c,f=i[V],c={},t=j(l),a=t[0],n=null,s="";if(a&&a.getSettings){var r=(n=a.getSettings())[V];r&&r!=f&&(s=$("eS8i::Stream的采样率{1}不等于{2}，将进行采样率转换（注意：音质不会变好甚至可能变差），主要在移动端未禁用回声消除时会产生此现象，浏览器有回声消除时可能只会返回16k采样率的音频数据，",0,r,f))}l._ts=n,Q(s+"Stream TrackSet: "+B(n),s?3:0);var u,o,h,b=function(e){var t=l._m=i.createMediaStreamSource(l),a=i.destination,n="createMediaStreamDestination";i[n]&&(a=l._d=i[n]()),t.connect(e),e.connect(a)},p="",m=l._call,v=function(e,t){for(var a in m){if(t!=f){c.index=0;var n=(c=W.SampleData([e],t,f,c,{_sum:1})).data,s=c._sum}else{c={};for(var r=e.length,n=new Int16Array(r),s=0,i=0;i<r;i++){var o=Math.max(-1,Math.min(1,e[i]));o=o<0?32768*o:32767*o,n[i]=o,s+=Math.abs(o)}}for(var _ in m)m[_](n,s);return}},d="ScriptProcessor",g="audioWorklet",S=T+" "+g,w="RecProc",M="MediaRecorder",y=M+".WebM.PCM",A=i.createScriptProcessor||i.createJavaScriptNode,k=$("ZGlf::。由于{1}内部1秒375次回调，在移动端可能会有性能问题导致回调丢失录音变短，PC端无影响，暂不建议开启{1}。",0,g),R=function(){o=l.isWorklet=!1,O(l),Q($("7TU0::Connect采用老的{1}，",0
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