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Recorder
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index.html

<!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">

<title>Recorder测试</title>

</head>

<body>
<!--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>


<style>
body{
	word-wrap: break-word;
}
pre{
	white-space:pre-wrap;
}
.pd{
	padding:0 0 6px 0;
}
.btns button{
	padding: 5px 10px;
}
</style>

<script>
//兼容环境
var PageLM="2019-4-18 09:31:26";

function BuildHtml(html,o,notEncode,loop){return o||(o={}),html=(null==html?"":html+"").replace(/\{(fn:)?(:)?(.+?)\}/gi,function(a,b,c,code){try{var v=eval(b?code:"o."+code);return v=void 0===v?"":v+"",c||notEncode?v:v}catch(e){return console.log("BuildHtml Fail",a+"\n"+e.stack),""}}),loop&&/\{(fn:)?(.+?)\}/.test(html)&&(html=BuildHtml(html,o,notEncode,loop)),html};
function RandomKey(){
	return "randomkey"+(RandomKey.idx++);
};
RandomKey.idx=0;
</script>
<script src="https://cdn.bootcss.com/jquery/1.9.1/jquery.min.js"></script>


<div>
	<style>
		.navItem{
			display:inline-block;
			width:40%;
			max-width:300px;
			margin-right:20px;
			vertical-align: top;
			background:#eee;
			border-bottom: 5px solid #ccc;
			color:#666;
			text-decoration:none;
			border-radius: 8px;
			padding: 0 5px 3px;
		}
		.navItem.slc{
			border-bottom: 5px solid #0B1;
			color:#000;
		}
		.navItem:hover{
			color:#d44;
		}
		.navTitle{
			text-align: center;
			font-size:18px;
			font-weight: bold;
		}
		.navDesc{
			font-size:12px;
		}
	</style>
	<a class="navItem slc" href="https://xiangyuecn.github.io/Recorder/">
		<div class="navTitle">Recorder测试</div>
		<div class="navDesc">Recorder库使用简单，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测试</div>
		<div class="navDesc">RecordApp除Recorder支持的外，IOS上支持微信网页和小程序web-view，但需要后端提供接口</div>
	</a>
</div>


<!-- begin 开始copy源码 -->
<div>
	<div class="pd">
		GitHub：<a href="https://github.com/xiangyuecn/Recorder">https://github.com/xiangyuecn/Recorder</a>
	</div>
	<div class="pd types">
		类型:
		<label><input type="radio" name="type" value="mp3" engine="mp3,mp3-engine" class="initType" checked>mp3</label>
		<label><input type="radio" name="type" value="wav" engine="wav">wav</label>
		<label><input type="radio" name="type" value="ogg" engine="beta-ogg,beta-ogg-engine">ogg(beta)</label>
		<label><input type="radio" name="type" value="webm" engine="beta-webm">webm(beta)</label>
		<label><input type="radio" name="type" value="amr" engine="beta-amr,beta-amr-engine,wav">amr(beta)</label>
	</div>
	<div class="pd">
		提示：<span class="typeTips">-</span>
	</div>
	<div class="pd">
		比特率: <input type="text" class="bit" value="16"> kbps，越大音质越好
	</div>
	<div class="pd">
		采样率: <input type="text" class="sample" value="16000"> hz，越大细节越丰富
	</div>
	<div class="pd btns">
		<button onclick="recopen()">打开录音</button>
		<button onclick="recclose()">关闭录音</button>
	</div>
	<div class="pd btns">
		<button onclick="recstart()">录制</button>
		<button onclick="recstop()">停止</button>

		<button onclick="recpause()" style="margin-left:60px">暂停</button>
		<button onclick="recresume()">继续</button>
	</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()">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">
		<div style="height:100px;width:300px;border:1px solid #ccc;box-sizing: border-box;display:inline-block" class="recwave"></div>
		<input type="checkbox" class="recwaveSet" checked>
	</div>

	<hr>
	<audio class="recPlay" style="width:100%"></audio>
	<div class="reclog"></div>
	<div class="recinfo"></div>
</div>
<script type="text/template" class="tp_recinfo">
<hr/>
浏览器环境情况:
<pre>
AudioContext:{fn:!!window.AudioContext}
webkitAudioContext:{fn:!!window.webkitAudioContext}
mediaDevices:{fn:!!navigator.mediaDevices}
mediaDevices.getUserMedia:{fn:!!(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia)}
navigator.getUserMedia:{fn:!!navigator.getUserMedia}
navigator.webkitGetUserMedia:{fn:!!navigator.webkitGetUserMedia}

UA:{fn:navigator.userAgent}

Recorder库修改时间（有可能修改了忘改）:{fn:RecorderLM}
本页面修改时间（有可能修改了忘改）：{fn:PageLM}


</pre>
<div>
<hr>
注：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>
<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://collab-project.github.io/videojs-record/examples/audio-only.html">https://collab-project.github.io/videojs-record/examples/audio-only.html</a> 试一下。
</div>
</script>


<script>
function reclog(s){
	$(".reclog").prepend('<div>['+new Date().toLocaleTimeString()+']'+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=+$(".sample").val();
	var wave,waveSet=$(".recwaveSet")[0].checked;
	rec=Recorder({
		type:type
		,bitRate:bit
		,sampleRate:sample
		,onProcess:function(buffers,level,time,sampleRate){
			$(".recpowerx").css("width",level+"%");
			$(".recpowert").html(time+"/"+level);

			waveSet && wave.input(buffers[buffers.length-1],level,sampleRate);
		}
	});
	rec.open(function(){
		reclog("已打开:"+type+" "+bit+"kbps");

		wave=Recorder.WaveView({elem:".recwave"});
	},function(e,isUserNotAllow){
		reclog((isUserNotAllow?"UserNotAllow，":"")+"打开失败："+e);
	});
};
function recclose(){
	if(rec){
		rec.close(function(){
			reclog("已关闭");
		});
	}
};
function recstart(){
	if(rec){
		rec.start();
		reclog("录制中...");
	};
};
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(batCall){
	if(rec){
		if(!batCall){
			reclog("正在编码"+rec.set.type+"...");
		};
		var t1=Date.now();
		rec.stop(function(blob,time){
			var id=RandomKey(16);
			recblob[id]={blob:blob,set:$.extend({},rec.set),time:time};
			reclog("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+"]"+intp(time,6)+'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>');
			batCall&&batCall();
		},function(s){
			reclog("失败："+s);
			batCall&&batCall();
		});
	};
};
var intp=function(s,len){
	s=s==null?"-":s+"";
	if(s.length>=len)return s;
	return ("_______"+s).substr(-len);
};
function recstop2(){
	if(!rec||!rec.buffer){
		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.state=1;
		recstop(run);
	};
	run();
};
function recplay(key){
	var o=recblob[key];
	if(o){
		var audio=$(".recPlay")[0];
		audio.controls=true;
		if(!(audio.ended || audio.paused)){
			audio.pause();
		};
		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("");

		var end=function(blob){
			audio.src=URL.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 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=URL.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);
};
$(".recinfo").html(BuildHtml($(".tp_recinfo").html()));
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>");
reclog("WaveView Extensions已启用");
</script>


<hr>
<div>
<h3>移动端js运行简易控制台</h3>
<textarea id="cmdExecTxt" style="width:300px;height:160px;" placeholder="js代码，为一段表达式，可以返回结果显示。异步可读写JsVal.value，为结果输入框内容">(navigator.webkitGetUserMedia||navigator.getUserMedia).call(navigator,
{audio:true}
,function(){
	JsVal.value+="\n支持录音";
	console.log(JsVal.value);
},function(e){
	JsVal.value+="\n"+(e.name||e.message)
	console.error(e);
});
"wait..."</textarea>
<input type="button" value="执行js" onclick="cmdExec()">
<textarea id="cmdExecVal" style="width:300px;height:160px;" placeholder="运行结果"></textarea>
<script>
var JsVal;
var cmdExec=function(){
	JsVal=document.getElementById("cmdExecVal");
	JsVal.value="";

	var cmd=document.getElementById("cmdExecTxt").value;
	var val="";
	try{
		val=eval(cmd);
	}catch(e){
		val="执行出错："+(e.stack||e.message);
	};
	JsVal=document.getElementById("cmdExecVal");
	JsVal.value+=(JsVal.value?"\n":"")+val;
};
</script>

<h3>ConsoleX:</h3>
<textarea class="Xlog" style="width:300px;height:160px;"></textarea>
<script>
var XLogInput=$(".Xlog")[0];
(function(){
if(!/mobile/i.test(navigator.userAgent)){
	XLogInput.value="非移动端不开启ConsoleX引擎";
	return;
};
var ConsoleX=function(tag,arr){
	if(parent!=window){
		parent.ConsoleX(tag,arr);
		return;
	};

	ConsoleX.log(tag,arr);
};
var logx=console.log;
var infox=console.info;
var warnx=console.warn;
var errorx=console.error;
console.log=function(){
	ConsoleX("log",arguments);logx.apply(console,arguments);
};
console.info=function(){
	ConsoleX("info",arguments);infox.apply(console,arguments);
};
console.warn=function(){
	ConsoleX("warn",arguments);warnx.apply(console,arguments);
};
console.error=function(){
	ConsoleX("error",arguments);errorx.apply(console,arguments);
};
ConsoleX.log=function(tag,arr){
	var msg=[];
	for(var i=0;i<arr.length;i++){
		if(i!=0){
			msg.push("");
		}
		msg.push(xobjv(arr[i],1));
	};
	msg.push("---↑["+tag+"]"+new Date().toLocaleTimeString()+"↑---\n");
	XLogInput.value=msg.join("\n")+XLogInput.value;
};
function xobjv(v,deep){
	if(v===null)return "null";
	if(v==undefined)return "undefined";
	if(typeof(v)!="object"){
		v=v+"";
		if(v.length<500)return v;
		return v.substring(0,500)+"[省略"+(v.length-500)+"字]";
	}

	if(deep&&deep<=3){
		v= xobj(v,deep+1);
		if(deep==1){
			return xobjv(v);
		};
		return v;
	}
	return xobjv(v+"");
};
function xobj(obj,deep){
	if($.isArray(obj)){
		var arr=[];
		for(var i=0;i<obj.length;i++){
			arr.push(xobjv(obj[i],deep));
		};
	}else{
		var arr={};
		for(var k in obj){
			arr[k]=xobjv(obj[k],deep);
		};
	};
	if(deep>2){
		return arr;
	};
	return JSON.stringify(arr);
};

console.log("ConsoleX引擎已开启");
})();
</script>
</div>
<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=$(input).find("input");
		};
		if(prev!=input[0]){
			prev=input[0];
			loadEngine($(input));
		};
	});
});
function loadEngine(input){
	if(input.length&&input[0].nodeName=="INPUT"){
		var type=input.val();
		var engines=input.attr("engine").split(",");
		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")+"，"+enc.testmsg];
			tips.push('<div style="color:green">');
			tips.push("【使用"+type+"录音需要加载的js文件】：");
			tips.push("src/recorder-core.js, src/engine/");
			tips.push(engines.join(".js, src/engine/"));
			tips.push(".js</div>");

			$(".typeTips").html(tips.join(""));
		};
		if(!Recorder.prototype[type]){
			reclog("正在加载"+type+"编码器...");
			var i=-1;
			var load=function(){
				i++;
				if(i>=engines.length){
					reclog(type+"编码器已准备好");
					end();
					return;
				}
				var elem=document.createElement("script");
				elem.setAttribute("type","text/javascript");
				elem.setAttribute("src","src/engine/"+engines[i]+".js");
				elem.onload=function(){
					load();
				};
				$("head")[0].appendChild(elem);
			};
			load();
		}else{
			end();
		};
	};
};
loadEngine($(".initType"));
</script>

</body>
</html>