Merge branch 'main' of https://github.com/alibaba-damo-academy/FunASR into ...

雾聪

2023-05-17 8706e767affc6bdc8cb7a67ca3a20a62779ff048

 funasr/runtime/html5/static/main.js

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/**

 * Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights

 * Reserved. MIT License  (https://opensource.org/licenses/MIT)

 */

/* 2022-2023 by zhaoming,mali aihealthx.com */





// 连接; 定义socket连接类对象与语音对象

var wsconnecter = new WebSocketConnectMethod({msgHandle:getJsonMessage,stateHandle:getConnState});

var audioBlob;



// 录音; 定义录音对象,wav格式

var rec = Recorder({

   type:"pcm",

   bitRate:16,

   sampleRate:16000,

   onProcess:recProcess

});



 
 
 
var sampleBuf=new Int16Array();

// 定义按钮响应事件

var btnStart = document.getElementById('btnStart');

btnStart.onclick = start;

var btnStop = document.getElementById('btnStop');

btnStop.onclick = stop;

btnStop.disabled = true;

 


 
var rec_text=""

var info_div = document.getElementById('info_div');

 


// 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( "message: " + JSON.parse(jsonMsg.data)['text'] );

   var rectxt=""+JSON.parse(jsonMsg.data)['text'];

   var varArea=document.getElementById('varArea');

   rec_text=rec_text+rectxt.replace(/ +/g,"");

   varArea.value=rec_text;

	 
 
}



// 连接状态响应

function getConnState( connState ) {

   if ( connState === 0 ) {

 
      rec.open( function(){

         rec.start();

         console.log("开始录音");

 
      });

   } else if ( connState === 1 ) {

      //stop();

   } else if ( connState === 2 ) {

      stop();

      console.log( 'connecttion error' );

      setTimeout(function(){btnStart.disabled = true;info_div.innerHTML='connecttion error';}, 4000 );

   }

}





// 识别启动、停止、清空操作

function start() {

   info_div.innerHTML="正在连接asr服务器，请等待...";

   // 清除显示

   clear();

   //控件状态更新

 	    
   isRec = true;

   btnStart.disabled = true;

   btnStop.disabled = false;

   //启动连接

   wsconnecter.wsStart();

}



 
function stop() {

      var chunk_size = new Array( 5, 10, 5 );

      var request = {

         "chunk_size": chunk_size,

         "wav_name":  "h5",

         "is_speaking":  false,

         "chunk_interval":10,

      };

      if(sampleBuf.length>0){

      wsconnecter.wsSend(sampleBuf,false);

      console.log("sampleBuf.length"+sampleBuf.length);

      sampleBuf=new Int16Array();

      }

      wsconnecter.wsSend( JSON.stringify(request) ,false);

 
	 
	
	


	
   // 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 );

   rec.stop(function(blob,duration){

  
      console.log(blob);

      var audioBlob = Recorder.pcm2wav(data = {sampleRate:16000, bitRate:16, blob:blob},

      function(theblob,duration){

            console.log(theblob);

      var audio_record = document.getElementById('audio_record');

      audio_record.src =  (window.URL||webkitURL).createObjectURL(theblob); 
        audio_record.controls=true;

      audio_record.play(); 
         	


   }   ,function(msg){

       console.log(msg);

   }

      );

 


 
   },function(errMsg){

      console.log("errMsg: " + errMsg);

   });

    // 停止连接

	
    


}



function clear() {

 
    var varArea=document.getElementById('varArea');

 
   varArea.value="";

    rec_text="";

 
}



 
function recProcess( buffer, powerLevel, bufferDuration, bufferSampleRate,newBufferIdx,asyncEnd ) {

   if ( isRec === true ) {

      var data_48k = buffer[buffer.length-1];  
 
      var  array_48k = new Array(data_48k);

      var data_16k=Recorder.SampleData(array_48k,bufferSampleRate,16000).data;

 
      sampleBuf = Int16Array.from([...sampleBuf, ...data_16k]);

      var chunk_size=960; // for asr chunk_size [5, 10, 5]

      info_div.innerHTML=""+bufferDuration/1000+"s";

      while(sampleBuf.length>=chunk_size){

          sendBuf=sampleBuf.slice(0,chunk_size);

         sampleBuf=sampleBuf.slice(chunk_size,sampleBuf.length);

         wsconnecter.wsSend(sendBuf,false);

			
			
		 
      }

		
 
		
   }

}