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index.html
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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<link rel="shortcut icon" type="image/png" href="assets/icon.png">
<title>Recorder测试</title>
<script>
console.log(
["%c "
," "
," "
," %c REC WARNING %c "
," "
," "
,"%c 请不要试图阅读本demo的源码，不然你会去想这么丑的代码是谁写的 "
," 本文件包括附属的js文件的代码是经过长时间积累出来的 "
," 代码虽然已经分层/分开写了，也许者作者也已经不认识了 "
," "
," 如果想要快速入门，请阅读github项目内首页README文档 "
," 参考文档内的快速使用部分，简单快捷高效 "
," "
," 请不要试图阅读本demo的源码，正常情况下意义不大 "
," "
," "
,""].join("\n"),
'background: #000; font-size: 18px; font-family: monospace',
'background: #f33; font-size: 18px; font-family: monospace; color: #eee; text-shadow:0 0 1px #fff',
'background: #000; font-size: 18px; font-family: monospace',
'background: #000; font-size: 18px; font-family: monospace; color: #ddd; text-shadow:0 0 2px #fff'
)
</script>
</head>
<body>
<div class="main">
<!--加载核心库，其他类型支持库在下面根据用户点击选择加载-->
<script src="src/recorder-core.js"></script>
<!--加载可选扩展库-->
<script src="src/extensions/waveview.js"></script>
<script src="src/extensions/wavesurfer.view.js"></script>
<script src="src/extensions/lib.fft.js"></script>
<script src="src/extensions/frequency.histogram.view.js"></script>
<script src="src/extensions/sonic.js"></script>
<style>
body{
word-wrap: break-word;
background:#f5f5f5 center top no-repeat;
background-size: auto 680px;
}
pre{
white-space:pre-wrap;
}
a{
text-decoration: none;
color:#06c;
}
a:hover{
color:#f00;
}
.main{
max-width:700px;
margin:0 auto;
padding-bottom:80px
}
.mainBox{
margin-top:12px;
padding: 12px;
border-radius: 6px;
background: #fff;
--border: 1px solid #f60;
box-shadow: 2px 2px 3px #aaa;
}
.btns button{
display: inline-block;
cursor: pointer;
border: none;
border-radius: 3px;
background: #f60;
color:#fff;
padding: 0 15px;
margin:3px 20px 3px 0;
line-height: 36px;
height: 36px;
overflow: hidden;
vertical-align: middle;
}
.btns button:active{
background: #f00;
}
.recwaveChoice{
cursor: pointer;
display:inline-block;
vertical-align: bottom;
border-right:1px solid #ccc;
background:#ddd;
line-height:28px;
font-size:12px;
color:#666;
padding:0 5px;
}
.recwaveChoice:first-child{
border-radius: 99px 0 0 99px;
}
.recwaveChoice:last-child{
border-radius: 0 99px 99px 0;
border-right:none;
}
.recwaveChoice.slc,.recwaveChoice:hover{
background:#f60;
color:#fff;
}
.lb{
display:inline-block;
vertical-align: middle;
background:#00940e;
color:#fff;
font-size:14px;
padding:2px 8px;
border-radius: 99px;
}
.pd{
padding:0 0 6px 0;
}
</style>
<script>
//兼容环境
var PageLM="2020-1-12 11:44:28";
function RandomKey(){
return "randomkey"+(RandomKey.idx++);
};
RandomKey.idx=0;
</script>
<script src="assets/ztest-jquery.min-1.9.1.js"></script>
<div class="demoHead mainBox">
<style>
.navItem{
display:inline-block;
width:45%;
max-width:300px;
vertical-align: top;
background:#eee;
border-bottom: 5px solid #ccc;
box-shadow: 2px 2px 3px #ddd;
color:#666;
text-decoration:none;
border-radius: 8px;
padding: 0 5px 3px;
}
.navItem.slc{
border-bottom: 5px solid #00940e;
color:#f60;
}
.navItem:hover{
color:#d44;
}
.navTitle{
text-align: center;
font-size:18px;
font-weight: bold;
}
.navItem.slc .navDesc{
color:#00940e;
}
.navDesc{
font-size:12px;
}
</style>
<a class="navItem slc" style="margin-right:2%;" href="https://xiangyuecn.github.io/Recorder/">
<div class="navTitle">Recorder H5</div>
<div class="navDesc">Recorder H5使用简单，功能丰富，支持PC、Android，但IOS上仅Safari支持录音</div>
</a>
<a class="navItem" href="https://jiebian.life/web/h5/github/recordapp.aspx">
<div class="navTitle">RecordApp</div>
<div class="navDesc">RecordApp除Recorder支持的外，支持Hybrid App，IOS上支持微信网页和小程序web-view</div>
</a>
<div style="margin-top:8px">
<span class="lb">GitHub :</span> <a href="https://github.com/xiangyuecn/Recorder">前往GitHub仓库</a>
<span class="lb">更多Demo :</span> <a href="https://xiangyuecn.github.io/Recorder/assets/工具-代码运行和静态分发Runtime.html" target="_blank">在线编辑和运行</a> ， <a href="https://xiangyuecn.github.io/Recorder/assets/demo-vue" target="_blank">vue+webpack测试</a>
<div style="margin-top:6px;">
<span class="lb">QuickStart :</span>
<a href="https://xiangyuecn.github.io/Recorder/QuickStart.html" target="_blank">QuickStart.html</a>
<span style="font-size:12px;color:#999">(Copy即用，更适合入门学习)</span>
</div>
</div>
</div>
<!-- begin 开始copy源码 -->
<div class="demoMain">
<div class="mainBox">
<div class="pd">
<span class="lb">类型 :</span> <span class="types">
<label><input type="radio" name="type" value="mp3" engine="mp3,mp3-engine" min="/recorder.mp3.min" class="initType" checked>mp3</label>
<label><input type="radio" name="type" value="wav" engine="wav" min="/recorder.wav.min">wav</label>
<label><input type="radio" name="type" value="ogg" engine="beta-ogg,beta-ogg-engine" min=",beta-ogg">ogg(beta)</label>
<label><input type="radio" name="type" value="webm" engine="beta-webm" min=",beta-webm">webm(beta)</label>
<label><input type="radio" name="type" value="amr" engine="beta-amr,beta-amr-engine,wav" min=",beta-amr">amr(beta)</label>
</span>
<label><input type="checkbox" class="loadMinJs">请求压缩版</label>
</div>
<div class="pd">
<span class="lb">提示 :</span> <span class="typeTips">-</span>
</div>
<div class="pd">
<span class="lb">比特率 :</span> <input type="text" class="bit" value="16" style="width:60px"> kbps，越大音质越好
</div>
<div>
<span class="lb">采样率 :</span> <input type="text" class="sample" value="16000" style="width:60px"> hz，越大细节越丰富
</div>
</div>
<div class="mainBox">
<div class="pd btns">
<div>
<button onclick="recopen()" style="margin-right:10px">打开录音,请求权限</button>
<button onclick="recclose()" style="margin-right:0">关闭录音,释放资源</button>
</div>
<button onclick="recstart()">录制</button>
<button onclick="recstop()" style="margin-right:80px">停止</button>
<span style="display: inline-block;">
<button onclick="recpause()">暂停</button>
<button onclick="recresume()">继续</button>
</span>
</div>
<div class="pd recpower">
<div style="height:40px;width:300px;background:#999;position:relative;">
<div class="recpowerx" style="height:40px;background:#0B1;position:absolute;"></div>
<div class="recpowert" style="padding-left:50px; line-height:40px; position: relative;"></div>
</div>
</div>
<div class="pd">
<button onclick="recstop2()" class="batEnc">批量编码</button>
<input type="text" class="bits" value="8 to 96 step 8">kbps 测试音质用的，除比特率外其他参数可调整
</div>
<div class="pd waveBox">
<div style="height:100px;width:300px;border:1px solid #ccc;box-sizing: border-box;display:inline-block" class="recwave"></div>
<span style="font-size:0">
<span class="recwaveChoice" key="WaveView">WaveView</span>
<span class="recwaveChoice" key="SurferView">SurferView</span>
<span class="recwaveChoice" key="Histogram1">Histogram1</span>
<span class="recwaveChoice" key="Histogram2">Histogram2</span>
</span>
</div>
<div class="webrtcBox">
<label><input type="checkbox" class="realTimeSendSet">模拟准实时编码传输（H5版语音通话聊天）</label>
，发送间隔<input type="text" class="realTimeSend" value="996" style="width:60px">ms
<div class="webrtcView" style="display:none;"></div>
</div>
</div>
<div class="mainBox">
<audio class="recPlay" style="width:100%"></audio>
<div class="reclog"></div>
</div>
<div class="mainBox">
<div>
<span class="lb">变速变调 :</span>
<button onclick="resetSonicCtrl()">重置变速变调</button>
实时变速变调控制选项，可以边录边修改，同一时间应该只控制一个，否则叠加作用；请填写0.1-2.0的数字，1.0为不调整，当然超过2.0也是可以的（需手动输入）</div>
<div class="sonicCtrlBox" style="margin:5px 0 0">
<style>
.sonicCtrlBox span{display:inline-block;width:80px;text-align:right;}
.sonicCtrlBox input{text-align:right;}
</style>
<div><span>Pitch:</span><input class="sonicCtrlInput sonicCtrlPitch" style="width:60px"> 男声<input type="range" class="sonicCtrlRange" min="0.1" max="2" step="0.1" value="1.0">女声，变调不变速（会说话的汤姆猫）</div>
<div><span>Speed:</span><input class="sonicCtrlInput sonicCtrlSpeed" style="width:60px"> 慢放<input type="range" class="sonicCtrlRange" min="0.1" max="2" step="0.1" value="1.0">快放，变速不变调（快放慢放），由于会增减PCM数据，实时处理时本功能需要禁用丢失补偿</div>
<div><span>Rate:</span><input class="sonicCtrlInput sonicCtrlRate" style="width:60px"> 缓重<input type="range" class="sonicCtrlRange" min="0.1" max="2" step="0.1" value="1.0">尖锐，变速变调，由于会增减PCM数据，实时处理时本功能需要禁用丢失补偿</div>
<div><span>Volume:</span><input class="sonicCtrlInput sonicCtrlVolume" style="width:60px"> 调低<input type="range" class="sonicCtrlRange" min="0.1" max="2" step="0.1" value="1.0">调高，调整音量</div>
<div style="border-top: 1px solid #eee;margin-top: 10px;"><span>处理缓冲:</span><input class="sonicCtrlInput sonicCtrlBuffer" style="width:60px">ms 0ms<input type="range" class="sonicCtrlRange sonicCtrlBufferRange" min="0" max="1000" step="100" value="200">1000ms，控制缓冲大小减少转换引入的杂音，0不缓冲</div>
<div><span>播放反馈:</span><input class="sonicCtrlInput sonicCtrlPlay" style="width:60px"> 不播放 <input type="range" class="sonicCtrlRange" min="0" max="1" step="1" value="1">实时播放反馈</div>
<div style="margin-top:10px"><button onclick="sonicRecTransform()">重新转换当前录音</button></div>
</div>
</div>
<div class="mainBox">
<span class="lb">丢失补偿 :</span> <label><input type="checkbox" class="disableEnvInFixSet">禁用设备卡顿时音频输入丢失补偿功能（通过别的程序大量占用CPU来模拟设备卡顿）</label>
<div><a href="https://github.com/xiangyuecn/Recorder/issues/51">issues#51</a>如果没有进行补偿，录音时设备偶尔出现很卡的情况下（CPU被其他程序大量占用），浏览器采集到的音频是断断续续的，导致10秒的录音可能就只返回了5秒的数据量，这个时候最终编码得到的音频时长明显变短，播放时的效果就像快放一样。未禁用时会在卡顿时自动补偿静默音频，消除了快放效果，但由于丢失的音频已被静默数据代替，听起来就是数据本身的断断续续的效果。在设备不卡时录音没有此问题。</div>
</div>
<div class="mainBox">
<span class="lb">测试App :</span>
IOS Demo App：<a href="https://github.com/xiangyuecn/Recorder/tree/master/app-support-sample/demo_ios">下载源码</a> 自行编译
，Android Demo App：<a href="https://xiangyuecn.github.io/Recorder/app-support-sample/demo_android/app-debug.apk.zip" download="app-debug.apk">下载APK</a> (40kb，删除.zip后缀，<a href="https://github.com/xiangyuecn/Recorder/tree/master/app-support-sample/demo_android">源码</a>)
</div>
<div class="mainBox">
<span class="lb">iframe兼容性 :</span> <button onclick="goiframe()">把页面放到IFrame里面测试权限请求</button>
测试在iframe里面请求录音权限的兼容性。最佳实践应该是让window.top(不适用于跨域)去加载Recorder，iframe里面使用top.Recorder；此测试未遵照此最佳实践，以模拟跨域iframe和同域下的复杂真实情况，跨域时未设置相应策略权限永远是拒绝的
</div>
<div class="mainBox">
<span class="lb">音乐播放测试 :</span>
<button onclick="recplay2(this,'rec-4000ms-8kbps-16000hz.wav')">wav</button>
<button onclick="recplay2(this,'rec-4000ms-64kbps-16000hz.mp3')">mp3</button>
<button onclick="recplay2(this,'rec-4000ms-64kbps-16000hz.ogg')">ogg</button>
<button onclick="recplay2(this,'rec-4000ms-64kbps-16000hz.webm')">webm</button>
<button onclick="recplay2(this,'rec-4000ms-12.8kbps-8000hz.amr')">amr</button>
Audio对录音的影响测试（<a href="https://github.com/xiangyuecn/Recorder/issues/34">issues#34</a>）；IOS Safari如果未开始过录音并且播放了音乐，然后后续录音将会有问题；再现方法(<a href="https://xiangyuecn.github.io/Recorder/assets/ztest_apple_developer_forums_getusermedia.html">test apple developer forums</a>)：刷新页面后首先先播放音乐，然后开始测试录音，会发现波形显示掉帧或者保持直线。另测试浏览器对音频的支持情况。
</div>
<div class="mainBox">
<span class="lb">浏览器环境情况 :</span>
<pre class="recinfoCode">
AudioContext:${!!window.AudioContext}
webkitAudioContext:${!!window.webkitAudioContext}
mediaDevices:${!!navigator.mediaDevices}
mediaDevices.getUserMedia:${!!(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia)}
navigator.getUserMedia:${!!navigator.getUserMedia}
navigator.webkitGetUserMedia:${!!navigator.webkitGetUserMedia}
URL:${location.href.replace(/#.+/g,"")}
UA:${navigator.userAgent}
Recorder库修改时间（有可能修改了忘改）:${Recorder.LM}
本页面修改时间（有可能修改了忘改）：${PageLM}
</pre>
<span class="lb">问题自检 :</span> 录音时注意观察灰色区域是否有绿色音量跳动，没有绿色跳动说明Recorder没有获取到声音数据。如果测试发现mp3没有声音，可以试一下wav格式，如果wav格式有声音，说明内置lamejs mp3编码器有问题。如果都没有，下载下来播放看看有没有。下载下来也没有声音可以反馈一下。
<div style="padding-top:20px">
如果浏览器不能正常录音，并且不确定是不是这个库的问题，可以到 <a href="https://xiangyuecn.github.io/Recorder/assets/ztext_collab-project_videojs-record.html">assets/ztext_collab-project_videojs-record.html</a> 试一下。
</div>
</div>
<script>
function reclog(s,e){
var now=new Date();
var t=("0"+now.getHours()).substr(-2)
+":"+("0"+now.getMinutes()).substr(-2)
+":"+("0"+now.getSeconds()).substr(-2);
$(".reclog").prepend('<div style="color:'+(e?"red":"")+'">['+t+']'+s+'</div>');
};
$(window).bind("error",function(e){
reclog('<span style="color:red">【Error】:<pre>'+(e.error?e.error.stack:event.message)+'</pre></span>');
});
</script>
<script>
var rec;
function recopen(){
var type=$("[name=type]:checked").val();
var bit=+$(".bit").val();
var sample=+$(".sample").val();
window.waveStore={};
window.sonicAsync=null;
var disableEnvInFixSet=$(".disableEnvInFixSet")[0].checked;
if(disableEnvInFixSet){
reclog("已禁用设备卡顿时音频输入丢失补偿，可以通过别的程序大量占用CPU来模拟设备卡顿，然后录音听听未补偿时的播放效果，然后再试试不禁用的效果");
};
var realTimeSendSet=$(".realTimeSendSet")[0].checked;
var realTimeSendTime=+$(".realTimeSend").val();
rec=Recorder({
type:type
,bitRate:bit
,sampleRate:sample
,disableEnvInFix:disableEnvInFixSet
,onProcess:function(buffers,powerLevel,duration,sampleRate,newBufferIdx,asyncEnd){
//优先进行pcm处理，可能会发生数据修改，对于需要大量运算的处理需要开启异步模式，onProcess返回true即可开启，异步操作完成后必须回调asyncEnd
var beginAsync=sonicProcess(buffers,sampleRate,newBufferIdx,asyncEnd);
$(".recpowerx").css("width",powerLevel+"%");
$(".recpowert").text(formatMs(duration,1)+" / "+powerLevel);
//可视化图形绘制
if(waveStore.choice!=recwaveChoiceKey){
waveStore.choice=recwaveChoiceKey;
$(".recwave").html("").append(waveStore[recwaveChoiceKey].elem);
};
waveStore[recwaveChoiceKey].input(buffers[buffers.length-1],powerLevel,sampleRate);
//实时传输
if(realTimeSendSet&&window.realTimeSendTry){
realTimeSendTry(rec.set,realTimeSendTime,buffers,sampleRate);
};
return beginAsync;//返回true转成异步操作
}
});
dialogInt=setTimeout(function(){//定时8秒后打开弹窗，用于监测浏览器没有发起权限请求的情况，在open前放置定时器利于收到了回调能及时取消（不管open是同步还是异步回调的）
showDialog();
},8000);
rec.open(function(){
dialogCancel();
var typeSize="，<span style='border:1px solid #bbb;background:#f5f5f5;'>";
if(type=="wav"){
typeSize+="1秒的wav文件大小(字节)估算公式：采样率 × 位数 ÷ 8，当前："+sample+"*"+bit+"/8≈"+(sample*bit/8)+"b/s";
}else if(type=="mp3"){
typeSize+="1秒的mp3文件大小(字节)估算公式：比特率 × 1000 ÷ 8，当前："+bit+"*1000/8≈"+(bit*1000/8)+"b/s";
}else{
typeSize="";
};
typeSize&&(typeSize+="</span>");
reclog("<span style='color:#0b1'>已打开:"+type+" "+sample+"hz "+bit+"kbps</span>"+typeSize);
//此处创建这些音频可视化图形绘制浏览器支持妥妥的
waveStore.WaveView=Recorder.WaveView({elem:".recwave"});
waveStore.SurferView=Recorder.WaveSurferView({elem:".recwave"});
waveStore.Histogram1=Recorder.FrequencyHistogramView({elem:".recwave"});
waveStore.Histogram2=Recorder.FrequencyHistogramView({
elem:".recwave"
,lineCount:90
,position:0
,minHeight:1
,stripeEnable:false
});
},function(e,isUserNotAllow){
dialogCancel();
reclog((isUserNotAllow?"UserNotAllow，":"")+"打开失败："+e);
});
window.waitDialogClick=function(){
dialogCancel();
reclog("打开失败：权限请求被忽略，<span style='color:#f00'>用户主动点击的弹窗</span>");
};
};
//我们可以选择性的弹一个对话框：为了防止移动端浏览器存在第三种情况：用户忽略，并且（或者国产系统UC系）浏览器没有任何回调
var showDialog=function(){
if(!/mobile/i.test(navigator.userAgent)){
return;//只在移动端开启没有权限请求的检测
};
dialogCancel();
$("body").append(''
+'<div class="waitDialog" style="z-index:99999;width:100%;height:100%;top:0;left:0;position:fixed;background:rgba(0,0,0,0.3);">'
+'<div style="display:flex;height:100%;align-items:center;">'
+'<div style="flex:1;"></div>'
+'<div style="width:240px;background:#fff;padding:15px 20px;border-radius: 10px;">'
+'<div style="padding-bottom:10px;">录音功能需要麦克风权限，请允许；如果未看到任何请求，请点击忽略~</div>'
+'<div style="text-align:center;"><a onclick="waitDialogClick()" style="color:#0B1">忽略</a></div>'
+'</div>'
+'<div style="flex:1;"></div>'
+'</div>'
+'</div>');
};
var dialogInt;
var dialogCancel=function(){
clearTimeout(dialogInt);
$(".waitDialog").remove();
};
//弹框End
function recclose(){
if(rec){
rec.close(function(){
reclog("已关闭");
});
}else{
reclog("未打开录音",1);
};
};
function recstart(call){
call||(call=function(msg){
msg&&reclog(msg,1);
});
if(rec&&Recorder.IsOpen()){
window.realTimeSendTryReset&&realTimeSendTryReset();
sonicAsync&&sonicAsync.flush();//丢弃不管，省的去同步麻烦
sonicAsync=null;
rec.start();
var set=rec.set;
reclog("录制中："+set.type+" "+set.sampleRate+"hz "+set.bitRate+"kbps");
call();
}else{
call("未打开录音");
};
};
function recpause(){
if(rec){
rec.pause();
reclog("已暂停");
};
};
function recresume(){
if(rec){
rec.resume();
reclog("继续录音中...");
};
};
var recblob={};
function recstop(call){
recstopFn(call,true,function(){
setTimeout(function(){
window.realTimeSendTryStop&&realTimeSendTryStop(rec.set);
});
});
};
function recstopFn(call,isClick,endCall,rec){
call||(call=function(msg){
msg&&reclog(msg,1);
});
rec=rec||window.rec;
if(rec){
if(isClick){
reclog("正在编码"+rec.set.type+"...");
};
var t1=Date.now();
rec.stop(function(blob,time){
var tag=endCall("",blob,time);
if(tag==-1){
return;
};
var id=RandomKey(16);
recblob[id]={blob:blob,set:$.extend({},rec.set),time:time};
reclog((tag||"已录制")+":"+intp(rec.set.bitRate,3)+"kbps "+intp(rec.set.sampleRate,5)+"hz 花"+intp(Date.now()-t1,4)+"ms编码"+intp(blob.size,6)+"b ["+rec.set.type+"]"+formatMs(time)+'ms <button onclick="recdown(\''+id+'\')">下载</button> <button onclick="recplay(\''+id+'\')">播放</button> <span class="p'+id+'"></span> <span class="d'+id+'"></span>');
call(null,{data:blob,duration:time});
},function(s){
endCall(s);
call("失败："+s);
});
}else{
call("未打开录音");
};
};
var intp=function(s,len){
s=s==null?"-":s+"";
if(s.length>=len)return s;
return ("_______"+s).substr(-len);
};
var formatMs=function(ms,all){
var f=Math.floor(ms/60000),m=Math.floor(ms/1000)%60;
var s=(all||f>0?(f<10?"0":"")+f+":":"")
+(all||f>0||m>0?("0"+m).substr(-2)+"″":"")
+("00"+ms%1000).substr(-3);
return s;
};
function recstop2(){
if(!rec||!rec.buffers){
reclog("需先录个音");
return;
};
var type=$("[name=type]:checked").val();
var sample=+$(".sample").val();
var bits=/(\d+)\s+to\s+(\d+)\s+step\s+(\d+)\s*/i.exec($(".bits").val());
if(!bits){
reclog("码率列表有误，需要? to ? step ?结构");
return;
};
reclog("开始批量编码，请勿进行其他操作~");
rec.set.type=type;
rec.set.sampleRate=sample;
var list=[];
for(var i=+bits[1];i<+bits[2]+1;i+=+bits[3]){
list.push(i);
};
if(rec.set.type=="wav"){
list=[8,16];
};
var i=-1;
var bak=rec.set.bitRate;
var run=function(){
i++;
if(i>=list.length){
rec.set.bitRate=bak;
reclog("批量编码完成");
return;
};
rec.set.bitRate=list[i];
rec.isMock=1;
recstopFn(null,0,function(){
setTimeout(run);
});
};
run();
};
function recplay(key){
var audio=$(".recPlay")[0];
audio.controls=true;
if(!(audio.ended || audio.paused)){
audio.pause();
};
var o=recblob[key];
if(o){
o.play=(o.play||0)+1;
var logmsg=function(msg){
$(".p"+key).html('<span style="color:green">'+o.play+'</span> '+new Date().toLocaleTimeString()+" "+msg);
};
logmsg("");
audio.onerror=function(e){
logmsg('<span style="color:red">播放失败['+audio.error.code+']'+audio.error.message+'</span>');
};
if(o.play2Name){
audio.src="assets/audio/"+o.play2Name;
audio.play();
return;
};
var end=function(blob){
audio.src=(window.URL||webkitURL).createObjectURL(blob);
audio.play();
};
var wav=Recorder[o.set.type+"2wav"];
if(wav){
logmsg("正在转码成wav...");
wav(o.blob,function(blob){
end(blob);
logmsg("已转码成wav播放");
},function(msg){
logmsg("转码成wav失败："+msg);
});
}else{
end(o.blob);
};
};
};
function recplay2(elem,name){
elem=$(elem);
var key="recplay2"+elem.html();
recblob[key]||(recblob[key]={
play2Name:name
});
if(!$(".p"+key).length){
elem.before('<br>');
elem.after('<span class="p'+key+'"></span><br>');
};
recplay(key);
};
function recdown(key){
var o=recblob[key];
if(o){
var cls=RandomKey(16);
var name="rec-"+o.time+"ms-"+o.set.bitRate+"kbps-"+o.set.sampleRate+"hz."+o.set.type;
o.down=(o.down||0)+1;
$(".d"+key).html('<span style="color:red">'+o.down+'</span> <span class="'+cls+'"> 没弹下载？试一下链接或复制文本<button onclick="recdown64(\''+key+'\',\''+cls+'\')">生成Base64文本</button></span>');
var downA=document.createElement("A");
downA.innerHTML="下载 "+name;
downA.href=(window.URL||webkitURL).createObjectURL(o.blob);
downA.download=name;
$("."+cls).prepend(downA);
downA.click();
};
};
function recdown64(key, cls){
var o=recblob[key];
var reader = new FileReader();
reader.onloadend = function() {
var id=RandomKey(16);
$("."+cls).append('<textarea class="'+id+'"></textarea>');
$("."+id).val(reader.result);
};
reader.readAsDataURL(o.blob);
};
$(".recinfoCode").text($(".recinfoCode").text().replace(/\$\{(.+?)\}/g,function(a,b){return eval(b)}));
var recwaveChoiceKey=localStorage["RecWaveChoiceKey"]||"WaveView";
$(".recwaveChoice").bind("click",function(e){
var elem=$(e.target);
$(".recwaveChoice").removeClass("slc");
recwaveChoiceKey=elem.addClass("slc").attr("key");
localStorage["RecWaveChoiceKey"]=recwaveChoiceKey;
});
$(".recwaveChoice[key="+recwaveChoiceKey+"]").click();
if(window.isSecureContext===false){
reclog("当前网页不是安全环境（HTTPS），将无法获取录音权限，<a href='https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia#Privacy_and_security'>MDN Privacy and security</a>",1);
}else if(window.isSecureContext){
reclog("<span style='color:#0b1'>当前网页处在安全环境中</span>(<a href='https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia#Privacy_and_security'>https、file:///等</a>)");
};
reclog("点击打开录音开始哦，此浏览器<span style='color:"+(Recorder.Support()?"green'>":"red'>不")+"支持录音</span>");
var s="https://github.com/xiangyuecn/Recorder/blob/master/src/extensions/";
reclog('已启用Extensions：\
<b>WaveView</b> (<a href="'+s+'waveview.js">waveview.js</a> 动态波形)\
<b>WaveSurferView</b> (<a href="'+s+'wavesurfer.view.js">wavesurfer.view.js</a> 音频可视化波形)\
、<b>FrequencyHistogramView</b> (<a href="'+s+'frequency.histogram.view.js">frequency.histogram.view.js</a> + <a href="'+s+'lib.fft.js">lib.fft.js</a> 音频可视化频率直方图)\
、<b>Sonic</b> (<a href="'+s+'sonic.js">sonic.js</a> 变速变调)\
');
function goiframe(){
$(".demoHead").hide();
$(".demoMain").html(''
+'<div>IFrame测试，提示：`RecordApp测试`可以模拟跨域，跨域时未设置相应策略权限永远是拒绝的</div>'
+'<iframe src="?t='+Date.now()+'" style="width:98%;height:'+($(window).height()-100)+'px; border:4px solid #0B1"></iframe>');
};
if(window.top!=window){
var isSelf=false;
try{
window.top.aa=123;
isSelf=true;
}catch(e){};
reclog("<span style='color:#f60'>当前页面处在在iframe中，但故意未进行任何处理，"+(isSelf?"当前是同域":"并且已发生跨域，未设置相应策略权限永远是拒绝的")+"</span>");
};
//实时传输数据模拟开关
$(".realTimeSendSet").bind("change",function(e){
var open=e.target.checked;
$(".webrtcView")[open?"show":"hide"]();
if(open && !window.webrtcCreate){
var file="zdemo.index.webrtc.js";
reclog("正在加载"+file+" ...");
var elem=document.createElement("script");
elem.setAttribute("type","text/javascript");
elem.setAttribute("src",window.webrtcJSPath||("assets/"+file));
$("head")[0].appendChild(elem);
};
});
//变速变调
var sonicCtrlSet={};
$(".sonicCtrlInput").bind("change",function(e){
sonicCtrlSet[/sonicCtrl([^ ]+)$/.exec(e.target.className)[1].toLowerCase()]=+e.target.value;
});
$(".sonicCtrlRange").bind("change",function(e){
$(e.target).parent().find(".sonicCtrlInput").val(/\d+\.\d+/.exec(e.target.value+".0")[0]).change();
}).change();
var resetSonicCtrl=function(){
$(".sonicCtrlRange").val(1).change();
$(".sonicCtrlBufferRange").val(200).change();
};
var sonicRecTransform=function(){
if(!rec||!rec.buffers){
reclog("请先录音",1);
return;
};
var type=rec.set.type;
var sampleRate=rec.set.sampleRate;
var bitRate=rec.set.bitRate;
if(type!="mp3"){
reclog("目前只支持mp3格式的录音重新转换，因为其他格式buffers已被污染",1);
return;
};
sonicAsync&&sonicAsync.flush();
sonicAsync=null;
var srcBuffers=rec.buffers;
var buffers=[];
var idx=-1;
var run=function(){
idx++;
if(idx>=srcBuffers.length){
var mockRec=Recorder({type:type,sampleRate:sampleRate,bitRate:bitRate});
mockRec.mock(Recorder.SampleData(buffers,sampleRate,sampleRate).data,sampleRate);
recstopFn(null,0,function(){
return "已转换";
},mockRec);
return;
};
buffers.push(Recorder.SampleData([srcBuffers[idx]],rec.srcSampleRate,sampleRate).data);
var beginAsync=sonicProcess(buffers,sampleRate,idx,run);
if(!beginAsync){
reclog("不存在变速变调设置，或不能开启转换",1);
};
buffers[idx]=new Int16Array(0);
};
run();
};
var sonicInfo;
var sonicProcess=function(buffers,sampleRate,newBufferIdx,asyncEnd){
if(sonicCtrlSet.pitch==1
&&sonicCtrlSet.rate==1
&&sonicCtrlSet.speed==1
&&sonicCtrlSet.volume==1){//不存在变速变调设置
return;
};
if(sonicAsync==-1){
return;
};
if(!sonicAsync||sonicAsync.set.sampleRate!=sampleRate){
//实时处理只能用异步操作，不能用同步方法，否则必然卡顿
sonicAsync=Recorder.Sonic.Async({sampleRate:sampleRate});
sonicInfo={};
if(!sonicAsync){
sonicAsync=-1;
reclog("不能开启Sonic.Async，浏览器不支持WebWorker操作，降级不变速变调",1);
return;
};
//加载PlayBuffer
if(!window.DemoFragment||!DemoFragment.PlayBuffer){
var elem=document.createElement("script");
elem.setAttribute("type","text/javascript");
elem.setAttribute("src","assets/runtime-codes/fragment.playbuffer.js");
$("head")[0].appendChild(elem);
};
};
sonicAsync.setPitch(sonicCtrlSet.pitch);
sonicAsync.setRate(sonicCtrlSet.rate);
sonicAsync.setSpeed(sonicCtrlSet.speed);
sonicAsync.setVolume(sonicCtrlSet.volume);
var newBuffers=sonicInfo.buffers||[];
var newBufferSize=sonicInfo.bufferSize||0;
var blockSize=sampleRate/1000*sonicCtrlSet.buffer;//缓冲0-1000ms的数据进行处理，200ms以上可避免引入大量杂音
var lastIdx=buffers.length-1;
for(var i=newBufferIdx;i<=lastIdx;i++){
newBuffers.push(buffers[i]);//copy出来，异步onProcess会清空这些数组
newBufferSize+=buffers[i].length;
};
if(newBufferSize<blockSize){
setTimeout(function(){
asyncEnd();//缓冲未满，此时并未处理，但也需要进行异步回调
});
}else{
var buffer=newBuffers[0]||[];
if(newBuffers.length>1){
buffer=Recorder.SampleData(newBuffers,sampleRate,sampleRate).data;
};
newBuffers=[];
newBufferSize=0;
var sizeOld=buffer.length,sizeNew=0;
//推入后台异步转换
sonicAsync.input(buffer,function(pcm){
buffers[lastIdx]=pcm;//写回buffers，放到调用时的最后一个位置即可 ，其他内容已在开启异步模式时已经被自动替换成了空数组
//实时播放反馈
if(sonicCtrlSet.play&&window.DemoFragment&&DemoFragment.PlayBuffer){
DemoFragment.PlayBuffer(sonicInfo,pcm,sampleRate);
};
asyncEnd();//完成处理必须进行回调
});
};
sonicInfo.buffers=newBuffers;
sonicInfo.bufferSize=newBufferSize;
return true;
};
</script>
</div><!-- demoMain end -->
<script>
if(/mobile/i.test(navigator.userAgent)){
//移动端加载控制台组件
var elem=document.createElement("script");
elem.setAttribute("type","text/javascript");
elem.setAttribute("src","https://cdn.bootcss.com/eruda/1.5.4/eruda.min.js");
$("head")[0].appendChild(elem);
elem.onload=function(){
eruda.init();
};
};
</script>
<div style="padding:100px;"></div>
<!-- end 结束copy源码 -->
<script>
$(function(){
var prev;
$(".types").bind("click",function(e){
var input=$(e.target);
if(input[0].nodeName=="LABEL"){
input=$(input).find("input");
};
var minjs=$(".loadMinJs")[0].checked;
if(prev!=input[0]||prev.minjs!==minjs){
prev=input[0];
prev.minjs=minjs;
loadEngine($(input));
};
});
});
function loadEngine(input){
if(input.length&&input[0].nodeName=="INPUT"){
var type=input.val();
var srcs=input.attr("engine").split(",");
var mins=input.attr("min").split(",");
for(var i=0;i<srcs.length;i++){
srcs[i]="src/engine/"+srcs[i]+".js";
};
for(var i=0;i<mins.length;i++){
var v=mins[i];
if(!v){
v="/dist/recorder-core";
};
if(v.substr(0,1)=="/"){
v=v.substr(1);
}else{
v="dist/engine/"+v;
};
mins[i]=v+".js";
};
var minjs=$(".loadMinJs")[0].checked;
var engines=minjs?mins:srcs;
var end=function(){
var enc=Recorder.prototype["enc_"+type];
var tips=[!enc?"这个编码器无提示信息":type+"编码器"+(enc.stable?"稳定版":"beta版")+"，<span style='color:"+(type=="wav"?"#0b1'>wav转码超快":Recorder.prototype[type+"_start"]?"#0b1'>支持边录边转码(Worker)":"red'>仅支持标准UI线程转码")+"</span>，"+enc.testmsg];
tips.push('<div style="color:green;padding-left:50px">');
tips.push("使用"+type+"录音需要加载的js：");
tips.push("<br>【压缩版】："+mins.join("，"))
tips.push("<br>【源文件】：src/recorder-core.js, "+srcs.join(", "));
tips.push("</div>");
$(".typeTips").html(tips.join(""));
};
if(!Recorder.prototype[type] || loadEngineState[type]!==minjs){
reclog("<span style='color:#f60'>正在加载"+type+"编码器"+(minjs?"压缩版":"源码版")+"，请勿操作...</span>");
var i=-1;
var load=function(){
i++;
if(i>=engines.length){
loadEngineState[type]=minjs;
Recorder.WaveView=WaveViewBak;
Recorder.WaveSurferView=WaveSurferViewBak;
Recorder.LibFFT=LibFFTBak;
Recorder.FrequencyHistogramView=FrequencyHistogramViewBak;
Recorder.Sonic=SonicBak;
reclog("<span style='color:#0b1'>"+type+"编码器"+(minjs?"压缩版":"源码版")+"已加载，可以录音了</span>");
end();
return;
}
var elem=document.createElement("script");
elem.setAttribute("type","text/javascript");
elem.setAttribute("src",engines[i]);
elem.onload=function(){
load();
};
$("head")[0].appendChild(elem);
};
load();
}else{