hnluo
2023-09-11 9fcb3cc06b4e324f0913d2f61b89becc2baeef1b
funasr/runtime/html5/static/main.js
@@ -23,53 +23,383 @@
var sampleBuf=new Int16Array();
// 定义按钮响应事件
var btnStart = document.getElementById('btnStart');
btnStart.onclick = start;
btnStart.onclick = record;
var btnStop = document.getElementById('btnStop');
btnStop.onclick = stop;
btnStop.disabled = true;
btnStart.disabled = true;
 
btnConnect= document.getElementById('btnConnect');
btnConnect.onclick = start;
var awsslink= document.getElementById('wsslink');
 
var rec_text=""
var rec_text="";  // for online rec asr result
var offline_text=""; // for offline rec asr result
var info_div = document.getElementById('info_div');
var now_ipaddress=window.location.href;
now_ipaddress=now_ipaddress.replace("https://","wss://");
now_ipaddress=now_ipaddress.replace("static/index.html","");
document.getElementById('wssip').value=now_ipaddress;
var upfile = document.getElementById('upfile');
var isfilemode=false;  // if it is in file mode
var file_ext="";
var file_sample_rate=16000; //for wav file sample rate
var file_data_array;  // array to save file data
var totalsend=0;
var now_ipaddress=window.location.href;
now_ipaddress=now_ipaddress.replace("https://","wss://");
now_ipaddress=now_ipaddress.replace("static/index.html","");
var localport=window.location.port;
now_ipaddress=now_ipaddress.replace(localport,"10095");
document.getElementById('wssip').value=now_ipaddress;
addresschange();
function addresschange()
{
    var Uri = document.getElementById('wssip').value;
   document.getElementById('info_wslink').innerHTML="点此处手工授权(IOS手机)";
   Uri=Uri.replace(/wss/g,"https");
   console.log("addresschange uri=",Uri);
   awsslink.onclick=function(){
      window.open(Uri, '_blank');
      }
}
upfile.onclick=function()
{
      btnStart.disabled = true;
      btnStop.disabled = true;
      btnConnect.disabled=false;
}
// from https://github.com/xiangyuecn/Recorder/tree/master
var readWavInfo=function(bytes){
   //读取wav文件头,统一成44字节的头
   if(bytes.byteLength<44){
      return null;
   };
   var wavView=bytes;
   var eq=function(p,s){
      for(var i=0;i<s.length;i++){
         if(wavView[p+i]!=s.charCodeAt(i)){
            return false;
         };
      };
      return true;
   };
   if(eq(0,"RIFF")&&eq(8,"WAVEfmt ")){
      var numCh=wavView[22];
      if(wavView[20]==1 && (numCh==1||numCh==2)){//raw pcm 单或双声道
         var sampleRate=wavView[24]+(wavView[25]<<8)+(wavView[26]<<16)+(wavView[27]<<24);
         var bitRate=wavView[34]+(wavView[35]<<8);
         var heads=[wavView.subarray(0,12)],headSize=12;//head只保留必要的块
         //搜索data块的位置
         var dataPos=0; // 44 或有更多块
         for(var i=12,iL=wavView.length-8;i<iL;){
            if(wavView[i]==100&&wavView[i+1]==97&&wavView[i+2]==116&&wavView[i+3]==97){//eq(i,"data")
               heads.push(wavView.subarray(i,i+8));
               headSize+=8;
               dataPos=i+8;break;
            }
            var i0=i;
            i+=4;
            i+=4+wavView[i]+(wavView[i+1]<<8)+(wavView[i+2]<<16)+(wavView[i+3]<<24);
            if(i0==12){//fmt
               heads.push(wavView.subarray(i0,i));
               headSize+=i-i0;
            }
         }
         if(dataPos){
            var wavHead=new Uint8Array(headSize);
            for(var i=0,n=0;i<heads.length;i++){
               wavHead.set(heads[i],n);n+=heads[i].length;
            }
            return {
               sampleRate:sampleRate
               ,bitRate:bitRate
               ,numChannels:numCh
               ,wavHead44:wavHead
               ,dataPos:dataPos
            };
         };
      };
   };
   return null;
};
upfile.onchange = function () {
      var len = this.files.length;
            for(let i = 0; i < len; i++) {
                let fileAudio = new FileReader();
                fileAudio.readAsArrayBuffer(this.files[i]);
            file_ext=this.files[i].name.split('.').pop().toLowerCase();
                var audioblob;
                fileAudio.onload = function() {
                audioblob = fileAudio.result;
             file_data_array=audioblob;
                 info_div.innerHTML='请点击连接进行识别';
                }
          fileAudio.onerror = function(e) {
            console.log('error' + e);
          }
            }
         // for wav file, we  get the sample rate
         if(file_ext=="wav")
            for(let i = 0; i < len; i++) {
                let fileAudio = new FileReader();
                fileAudio.readAsArrayBuffer(this.files[i]);
                fileAudio.onload = function() {
                audioblob = new Uint8Array(fileAudio.result);
            // for wav file, we can get the sample rate
            var info=readWavInfo(audioblob);
               console.log(info);
               file_sample_rate=info.sampleRate;
                }
      
            }
        }
function play_file()
{
        var audioblob=new Blob( [ new Uint8Array(file_data_array)] , {type :"audio/wav"});
        var audio_record = document.getElementById('audio_record');
        audio_record.src =  (window.URL||webkitURL).createObjectURL(audioblob);
          audio_record.controls=true;
        //audio_record.play();  //not auto play
}
function start_file_send()
{
      sampleBuf=new Uint8Array( file_data_array );
      var chunk_size=960; // for asr chunk_size [5, 10, 5]
      while(sampleBuf.length>=chunk_size){
          sendBuf=sampleBuf.slice(0,chunk_size);
         totalsend=totalsend+sampleBuf.length;
         sampleBuf=sampleBuf.slice(chunk_size,sampleBuf.length);
         wsconnecter.wsSend(sendBuf);
      }
      stop();
}
function on_recoder_mode_change()
{
            var item = null;
            var obj = document.getElementsByName("recoder_mode");
            for (var i = 0; i < obj.length; i++) { //遍历Radio
                if (obj[i].checked) {
                    item = obj[i].value;
               break;
                }
           }
          if(item=="mic")
         {
            document.getElementById("mic_mode_div").style.display = 'block';
            document.getElementById("rec_mode_div").style.display = 'none';
              btnStart.disabled = true;
              btnStop.disabled = true;
              btnConnect.disabled=false;
            isfilemode=false;
         }
         else
         {
            document.getElementById("mic_mode_div").style.display = 'none';
            document.getElementById("rec_mode_div").style.display = 'block';
              btnStart.disabled = true;
              btnStop.disabled = true;
              btnConnect.disabled=true;
             isfilemode=true;
            info_div.innerHTML='请点击选择文件';
         }
}
function getHotwords(){
  var obj = document.getElementById("varHot");
  if(typeof(obj) == 'undefined' || obj==null || obj.value.length<=0){
   return "";
  }
  let val = obj.value.toString();
  console.log("hotwords="+val);
  return val;
}
function getAsrMode(){
            var item = null;
            var obj = document.getElementsByName("asr_mode");
            for (var i = 0; i < obj.length; i++) { //遍历Radio
                if (obj[i].checked) {
                    item = obj[i].value;
               break;
                }
           }
            if(isfilemode)
         {
            item= "offline";
         }
         console.log("asr mode"+item);
         return item;
}
function handleWithTimestamp(tmptext,tmptime)
{
   console.log( "tmptext: " + tmptext);
   console.log( "tmptime: " + tmptime);
    if(tmptime==null || tmptime=="undefined" || tmptext.length<=0)
   {
      return tmptext;
   }
   tmptext=tmptext.replace(/。/g, ","); // in case there are a lot of "。"
   var words=tmptext.split(",");
   var jsontime=JSON.parse(tmptime); //JSON.parse(tmptime.replace(/\]\]\[\[/g, "],[")); // in case there are a lot segments by VAD
   var char_index=0;
   var text_withtime="";
   for(var i=0;i<words.length;i++)
   {
   if(words[i]=="undefined"  || words[i].length<=0)
   {
      continue;
   }
        console.log("words===",words[i]);
      console.log( "words: " + words[i]+",time="+jsontime[char_index][0]/1000);
      text_withtime=text_withtime+jsontime[char_index][0]/1000+":"+words[i]+"\n";
      char_index=char_index+words[i].length;
   }
   return text_withtime;
}
// 语音识别结果; 对jsonMsg数据解析,将识别结果附加到编辑框中
function getJsonMessage( jsonMsg ) {
   //console.log(jsonMsg);
   console.log( "message: " + JSON.parse(jsonMsg.data)['text'] );
   var rectxt=""+JSON.parse(jsonMsg.data)['text'];
   var asrmodel=JSON.parse(jsonMsg.data)['mode'];
   var is_final=JSON.parse(jsonMsg.data)['is_final'];
   var timestamp=JSON.parse(jsonMsg.data)['timestamp'];
   if(asrmodel=="2pass-offline" || asrmodel=="offline")
   {
      offline_text=offline_text+handleWithTimestamp(rectxt,timestamp); //rectxt; //.replace(/ +/g,"");
      rec_text=offline_text;
   }
   else
   {
      rec_text=rec_text+rectxt; //.replace(/ +/g,"");
   }
   var varArea=document.getElementById('varArea');
   rec_text=rec_text+rectxt.replace(/ +/g,"");
   varArea.value=rec_text;
   console.log( "offline_text: " + asrmodel+","+offline_text);
   console.log( "rec_text: " + rec_text);
   if (isfilemode==true && is_final==false){
      console.log("call stop ws!");
      play_file();
      wsconnecter.wsStop();
      info_div.innerHTML="请点击连接";
      btnStart.disabled = true;
      btnStop.disabled = true;
      btnConnect.disabled=false;
   }
    
 
}
// 连接状态响应
function getConnState( connState ) {
   if ( connState === 0 ) {
   if ( connState === 0 ) { //on open
 
      rec.open( function(){
         rec.start();
         console.log("开始录音");
 
      });
      info_div.innerHTML='连接成功!请点击开始';
      if (isfilemode==true){
         info_div.innerHTML='请耐心等待,大文件等待时间更长';
         start_file_send();
      }
      else
      {
         btnStart.disabled = false;
         btnStop.disabled = true;
         btnConnect.disabled=true;
      }
   } else if ( connState === 1 ) {
      //stop();
   } else if ( connState === 2 ) {
      stop();
      console.log( 'connecttion error' );
       
      alert("连接地址"+document.getElementById('wssip').value+"失败,请检查asr地址和端口,并确保h5服务和asr服务在同一个域内。或换个浏览器试试。");
      alert("连接地址"+document.getElementById('wssip').value+"失败,请检查asr地址和端口。或试试界面上手动授权,再连接。");
      btnStart.disabled = true;
      info_div.innerHTML='请点击开始';
      btnStop.disabled = true;
      btnConnect.disabled=false;
      info_div.innerHTML='请点击连接';
   }
}
function record()
{
       rec.open( function(){
       rec.start();
       console.log("开始");
         btnStart.disabled = true;
         btnStop.disabled = false;
         btnConnect.disabled=true;
       });
}
// 识别启动、停止、清空操作
function start() {
@@ -77,15 +407,28 @@
   // 清除显示
   clear();
   //控件状态更新
    console.log("isfilemode"+isfilemode);
   //启动连接
   var ret=wsconnecter.wsStart();
   // 1 is ok, 0 is error
   if(ret==1){
      info_div.innerHTML="正在连接asr服务器,请等待...";
      isRec = true;
      btnStart.disabled = true;
      btnStop.disabled = false;
       info_div.innerHTML="正在连接asr服务器,请等待...";
      btnStop.disabled = true;
      btnConnect.disabled=true;
        return 1;
   }
   else
   {
      info_div.innerHTML="请点击开始";
      btnStart.disabled = true;
      btnStop.disabled = true;
      btnConnect.disabled=false;
      return 0;
   }
}
@@ -97,24 +440,39 @@
         "wav_name":  "h5",
         "is_speaking":  false,
         "chunk_interval":10,
         "mode":getAsrMode(),
      };
      console.log(request);
      if(sampleBuf.length>0){
      wsconnecter.wsSend(sampleBuf,false);
      wsconnecter.wsSend(sampleBuf);
      console.log("sampleBuf.length"+sampleBuf.length);
      sampleBuf=new Int16Array();
      }
      wsconnecter.wsSend( JSON.stringify(request) ,false);
      wsconnecter.wsSend( JSON.stringify(request) );
 
    
   // 控件状态更新
   isRec = false;
    info_div.innerHTML="请等候...";
   btnStop.disabled = true;
   setTimeout(function(){btnStart.disabled = false;info_div.innerHTML="请点击开始";}, 3000 );
    info_div.innerHTML="发送完数据,请等候,正在识别...";
   if(isfilemode==false){
       btnStop.disabled = true;
      btnStart.disabled = true;
      btnConnect.disabled=true;
      //wait 3s for asr result
     setTimeout(function(){
      console.log("call stop ws!");
      wsconnecter.wsStop();
      btnConnect.disabled=false;
      info_div.innerHTML="请点击连接";}, 3000 );
   rec.stop(function(blob,duration){
  
      console.log(blob);
@@ -124,7 +482,7 @@
      var audio_record = document.getElementById('audio_record');
      audio_record.src =  (window.URL||webkitURL).createObjectURL(theblob); 
        audio_record.controls=true;
      audio_record.play();
      //audio_record.play();
            
   }   ,function(msg){
@@ -137,8 +495,9 @@
   },function(errMsg){
      console.log("errMsg: " + errMsg);
   });
   }
    // 停止连接
    
}
@@ -149,6 +508,7 @@
 
   varArea.value="";
    rec_text="";
   offline_text="";
 
}
@@ -166,7 +526,7 @@
      while(sampleBuf.length>=chunk_size){
          sendBuf=sampleBuf.slice(0,chunk_size);
         sampleBuf=sampleBuf.slice(chunk_size,sampleBuf.length);
         wsconnecter.wsSend(sendBuf,false);
         wsconnecter.wsSend(sendBuf);