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test-engine.js
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test-engine.js
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/******************
《测试几个带engine的编码器》
作者:高坚果
时间:2023-09-25 20:51:06
运行: node test-engine.js [type=mp3] [br=16] [dist] [full][fast][save] [big][loop]
type=mp3|ogg|amr
br=16 只测试这个比特率
dist 使用压缩版js进行测试
full 进行完整测试,会测试时长为1小时的音频编码,测试会很慢
fast 进行快速测试,最长测试1秒的音频编码,测试会很快
big 只进行超长时间编码测试
loop 循环进行测试,不结束
oggFullFast ogg全采样率测试
save 保存一个文件,然后退出,用于检查音频内容
******************/
(async function(){
require("./-global-.js");
var argv=" "+process.argv.join(" ");
var FastTest=global.FastTest||process.argv.indexOf("fast")!=-1;
if(FastTest) Log("FastTest",3);
var FullTest=global.FullTest||process.argv.indexOf("full")!=-1;
if(FullTest) Log("FullTest",3);
var TestBig=process.argv.indexOf("big")!=-1;
if(TestBig) Log("TestBig",3);
var TestLoop=process.argv.indexOf("loop")!=-1;
if(TestLoop) Log("TestLoop",3);
var TestSave=process.argv.indexOf("save")!=-1;
if(TestSave) Log("TestSave",3);
var OggFullFast=process.argv.indexOf("oggFullFast")!=-1;
if(OggFullFast) Log("OggFullFast",3);
var TestType=""; if(/ type=(\w+)/.test(argv))TestType=RegExp.$1;
if(TestType) Log("TestType="+TestType,3);
var TestBitRate=0; if(/ br=([\d\.]+)/.test(argv))TestBitRate=+RegExp.$1;
if(TestBitRate) Log("TestBitRate="+TestBitRate,3);
var UseDistJs=global.UseDistJs||process.argv.indexOf("dist")!=-1;
if(UseDistJs) Log("UseDistJs",3);
var jsDir=RootDir+(UseDistJs?"dist/":"src/");
var Recorder=require(jsDir+"recorder-core.js");
require(jsDir+"engine/wav.js");
require(jsDir+"engine/mp3.js");
if(!UseDistJs)require(jsDir+"engine/mp3-engine.js");
require(jsDir+"engine/beta-amr.js");
if(!UseDistJs)require(jsDir+"engine/beta-amr-engine.js");
require(jsDir+"engine/beta-ogg.js");
if(!UseDistJs)require(jsDir+"engine/beta-ogg-engine.js");
Recorder.OggVorbisEncoder.Module.StaticSeed=true;//让ogg每次生成文件相同
require(jsDir+"extensions/create-audio.nmn2pcm.js");
var fs=require("fs");
var sampleRate=48000,testPcmFile=[],testPcm=[],noisePcm=[];
(function(){
var file="temp/test-engine-48k.wav";
if(fs.existsSync(file)){
var buf=fs.readFileSync(file).buffer;
testPcmFile=new Int16Array(buf).subarray(44/2);
testPcm=new Int16Array(testPcmFile.length);
var bLen=~~(testPcmFile.length/2);
testPcm.set(testPcmFile.subarray(bLen),0);
testPcm.set(testPcmFile.subarray(0,bLen),testPcmFile.length-bLen);
Log("已读取PCM:"+file+" "+FormatMs(~~(testPcm.length/sampleRate*1000)),2);
}else{
Log("正在生成测试PCM(未找到"+file+")...");
var addPcm=function(item){
var obj=item.get(sampleRate);
var pcm=new Int16Array(testPcm.length+obj.pcm.length);
pcm.set(testPcm);
pcm.set(obj.pcm,testPcm.length);
testPcm=pcm;
Log("已生成PCM:"+item.name,2);
};
var pcms=Recorder.NMN2PCM.GetExamples();
addPcm(pcms.ForElise);
addPcm(pcms.DFH);
addPcm(pcms.Canon);
};
noisePcm=new Int16Array(testPcm.length);
for(var i=0;i<noisePcm.length;i++){
noisePcm[i]=0x7fff-Math.random()*0x7fff*2;
}
})();
Log("3秒后开始测试...");
await Sleep(3000);
var testEngine=async function(type,sr,br,fast){
await testExec(type,sr,br,testPcm,100);
await testExec(type,sr,br,noisePcm,100);
await testExec(type,sr,br,testPcm,500);
await testExec(type,sr,br,noisePcm,500);
await testExec(type,sr,br,testPcm,1000);
await testExec(type,sr,br,noisePcm,1000);
if(fast || FastTest)return;
await testExec(type,sr,br,testPcm,5000);
await testExec(type,sr,br,noisePcm,5000);
await testExec(type,sr,br,testPcm,10000);
await testExec(type,sr,br,noisePcm,10000);
await testExec(type,sr,br,testPcm,30000);
await testExec(type,sr,br,noisePcm,30000);
await testExec(type,sr,br,testPcm,60000,1);
await testExec(type,sr,br,noisePcm,60000,1);
if(!FullTest)return;
await testExec(type,sr,br,testPcm,2*60000,1);
await testExec(type,sr,br,noisePcm,2*60000,1);
await testExec(type,sr,br,testPcm,10*60000,1);
await testExec(type,sr,br,noisePcm,10*60000,1);
await testExec(type,sr,br,testPcm,60*60000,1);
await testExec(type,sr,br,noisePcm,60*60000,1);
};
var getPcm=function(pcm,dur){
var size=~~(sampleRate/1000*dur);
if(size<pcm.length){
return pcm.slice(0,size);
}
var val=new Int16Array(size),idx=0;
while(idx<size){
if(idx+pcm.length<=size){
val.set(pcm,idx);
}else{
val.set(pcm.subarray(0,size-idx),idx);
}
idx+=pcm.length;
}
return val;
};
var StartTime=Date.now();
var testExec=function(type,sr,br,srcPcm,dur,fast){ return new Promise(function(resolve,reject){
var Tag="testExec "+type+" "+sr+" "+br
+" "+(dur<60000?dur/1000+"秒":dur/60000+"分钟")
+" "+(srcPcm==noisePcm?"noisePcm":"testPcm");
Log("------ "+Tag+(TestLoop?" loop:"+LoopCount:"")
+" 已耗时:"+FormatMs(Date.now()-StartTime)+" ------",3);
dur=dur>1000?dur+123:dur+3;
var pcm=getPcm(srcPcm,dur);
var testMock=function(next){
var rec=Recorder({type:type,sampleRate:sr,bitRate:br});
rec.mock(pcm,sampleRate);
rec.stop(function(blob){
if(TestSave && dur==60123){
var path=ArrayBufferSaveTempFile("test-engine-save-"+(srcPcm==noisePcm?"noisePcm":"testPcm")+"."+type,blob);
Log("文件已保存在:"+path,2);
if(srcPcm==noisePcm){
process.exit(0);
}
};
var val=require('crypto').createHash("sha1").update(new Uint8Array(blob)).digest('hex');
if(!Recorder[type+"2wav"]){
next(blob,val); return;
}
Recorder[type+"2wav"](blob,function(b,duration){
if(Math.abs(duration-dur)>100){
var msg="转码成wav时长错误:"+FormatMs(duration);
errMsgs.push("Err "+Tag+" "+msg); Log("Err "+msg,1);
}else{
Log("已转码成wav:"+FormatMs(duration));
}
next(blob,val); return;
},function(msg){ throw msg });
},function(msg){ throw msg });
};
var testEnvIn=function(next){
if(fast){ next();return}
pcm=Recorder.SampleData([pcm],sampleRate,sr).data;//和mock一样一次性进行采样率转换,避免分段转换有差异
var rec=Recorder({type:type,sampleRate:sr,bitRate:br});
rec.envStart({ envName:"nodejs",canProcess:true },sr);
var idx=0;
while(idx<pcm.length){
var endIdx=~~(idx+sr/10),idx2=Math.min(pcm.length,endIdx);
if(type=="ogg"){
endIdx=~~(idx+sr);idx2=Math.min(pcm.length,endIdx);//不同大小会导致第一个数据页头不一致
}
var chunk=pcm.slice(idx,idx2);
idx=endIdx;
rec.envIn(chunk,0);
};
rec.stop(function(blob){
var val=require('crypto').createHash("sha1").update(new Uint8Array(blob)).digest('hex');
next(blob,val);
},function(msg){ throw msg });
};
var t1=Date.now();
testMock(function(aBuf1,val1){
testEnvIn(function(aBuf2,val2){
var msg="mock编码出:"+aBuf1.byteLength+"字节";
msg+=" envIn编码出:"+(aBuf2?aBuf2.byteLength:"null")+"字节";
msg+=" 耗时:"+FormatMs(Date.now()-t1);
if(!val2 || val1==val2){
Log("OK "+msg,2);
}else{
errMsgs.push("Err "+Tag+" "+msg); Log("Err "+msg,1);
}
resolve();
});
});
})};
var bigTestEngine=function(type,sr,br){ return new Promise(function(resolve,reject){
var dur=24*60*60000;
var Tag="bigTestEngine "+type+" "+sr+" "+br+" "+dur/60000/60+"小时";
Log("------ "+Tag+(TestLoop?" loop:"+LoopCount:"")
+" 已耗时:"+FormatMs(Date.now()-StartTime)+" ------",3);
if(TestSave){
var path=ArrayBufferSaveTempFile("test-engine-big-save-"+sr+"-"+br+"."+type,new Uint8Array(0).buffer);
Log("保存文件到:"+path,2);
}
var t1=Date.now();
var encSize=0,lastDur=0;
var rec=Recorder({
type:type,sampleRate:sr,bitRate:br
,onProcess:function(buffers,powerLevel,duration){
lastDur=duration;
for(var i=buffers.length-2;i>=0;i--){
if(!buffers[i]) break;
buffers[i]=null;//清除缓冲数据
}
}
,takeoffEncodeChunk:function(bytes){
encSize+=bytes.byteLength;
if(TestSave){
fs.writeFileSync(path, Buffer.from(bytes.buffer), { flag:"a" });
}
}
});
rec.envStart({ envName:"nodejs",canProcess:true },sampleRate);
var size=sampleRate/1000*dur;
var idx=0;
while(idx<size){
var pcm=testPcm; idx+=pcm.length; rec.envIn(pcm,0);
pcm=new Int16Array(pcm.length); var vol=Math.random();
for(var i=0;i<pcm.length;i++){
pcm[i]=vol*(0x7fff-Math.random()*0x7fff*2);
}
idx+=pcm.length; rec.envIn(pcm,0);
process.stdout.clearLine();
process.stdout.write("\r>>> "+(idx/size*100).toFixed(2)+"%"
+" "+FormatMs(lastDur)
+" "+FormatSize(encSize)
+" | 预估:"+FormatSize(encSize/idx*size)
+" 耗时:"+FormatMs(Date.now()-t1)
+" 还需:"+FormatMs(~~((Date.now()-t1)/idx*(size-idx))));
};
console.log("");
rec.stop(function(blob){
var msg="envIn编码出:"+encSize+"字节";
msg+=" 耗时:"+FormatMs(Date.now()-t1);
Log("OK "+msg,2);
resolve();
},function(msg){ throw msg });
})};
var LoopCount=0;
do{
var okMsgs=[],errMsgs=[];
if(TestLoop){
var len=testPcm.length;
var vol=Math.random();
if(testPcmFile.length){
len=~~(testPcmFile.length/4);
var idx=~~(Math.random()*(testPcmFile.length-len));
testPcm=testPcmFile.subarray(idx,idx+len);
}else{
testPcm=new Int16Array(len);
for(var i=0;i<len;i++){
testPcm[i]=vol*(0x7fff-Math.random()*0x7fff*2);
}
}
noisePcm=new Int16Array(len);
for(var i=0;i<len;i++){
noisePcm[i]=vol*(0x7fff-Math.random()*0x7fff*2);
}
}
LoopCount++;
while(!TestType || TestType=="mp3"){
if(TestBig){
if(!TestBitRate||TestBitRate<=16)await bigTestEngine("mp3",16000,16);
if(!TestBitRate||TestBitRate>16)await bigTestEngine("mp3",48000,TestBitRate||320);
okMsgs.push("test mp3 big"); break;
};
var mp3BitRate=TestBitRate?[TestBitRate]
:[8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 192, 224, 256, 320];
for(var i=0;i<mp3BitRate.length;i++){
var br=mp3BitRate[i], fast=br!=TestBitRate&&br!=16&&br!=48&&br!=96;
await testEngine("mp3",8000,br,1);
await testEngine("mp3",16000,br,fast);
await testEngine("mp3",22050,br,1);
await testEngine("mp3",24000,br,1);
await testEngine("mp3",32000,br,1);
await testEngine("mp3",44100,br,1);
await testEngine("mp3",48000,br,fast);
}
okMsgs.push("test mp3"); break;
}
while(!TestType || TestType=="ogg"){
if(TestBig){
if(!TestBitRate||TestBitRate<=16)await bigTestEngine("ogg",16000,16);
if(!TestBitRate||TestBitRate>16)await bigTestEngine("ogg",48000,TestBitRate||100);
okMsgs.push("test ogg big"); break;
};
var oggBitRate=TestBitRate?[TestBitRate]
:[16, 30, 40, 50, 60, 70, 80, 90, 100];
if(OggFullFast){
for(var i0=0;i0<3;i0++){
for(var j=8000;j<=48000;j+=123){
for(var i=0;i<oggBitRate.length;i++){
var br=oggBitRate[i];
var dur=i0==0?100:i0==1?500:5000;
await testExec("ogg",j,br,testPcm,dur,1);
}
}
}
}else
for(var i=0;i<oggBitRate.length;i++){
var br=oggBitRate[i], fast=br!=TestBitRate&&br!=16&&br!=48&&br!=96;
await testEngine("ogg",8000,br,1);
await testEngine("ogg",16000,br,fast);
await testEngine("ogg",22050,br,1);
await testEngine("ogg",24000,br,1);
await testEngine("ogg",32000,br,1);
await testEngine("ogg",44100,br,1);
await testEngine("ogg",48000,br,fast);
}
okMsgs.push("test ogg"); break;
}
while(!TestType || TestType=="amr"){
if(TestBig){
if(!TestBitRate||TestBitRate<12.2)await bigTestEngine("amr",16000,4.75);
if(!TestBitRate||TestBitRate>=12.2)await bigTestEngine("amr",48000,TestBitRate||12.2);
okMsgs.push("test amr big"); break;
};
var amrBitRate=TestBitRate?[TestBitRate]
:[4.75, 5.15, 5.9, 6.7, 7.4, 7.95, 10.2, 12.2];
for(var i=0,L=amrBitRate.length-1;i<=L;i++){
await testEngine("amr",8000,amrBitRate[i],i!=0&&i!=L);
}
okMsgs.push("test amr"); break;
}
}while(TestLoop);
//========测试结束===========
console.log("");
console.log("---------------------");
Log("测试结果:");
Log("\n"+okMsgs.join("\n"),2);
console.log("-----");
if(errMsgs.length) Log("\n"+errMsgs.join("\n"),1);
})();