Function onReceive

runtime/html5/static/recorder-core.js:134–153

(float32Arr)

	
	//浏览器回传的音频数据处理
	var onReceive=function(float32Arr){
		for(var k0 in calls){//has item
			var size=float32Arr.length;
			
			var pcm=new Int16Array(size);
			var sum=0;
			for(var j=0;j<size;j++){//floatTo16BitPCM 
				var s=Math.max(-1,Math.min(1,float32Arr[j]));
				s=s<0?s*0x8000:s*0x7FFF;
				pcm[j]=s;
				sum+=Math.abs(s);
			};
			
			for(var k in calls){
				calls[k](pcm,sum);
			};
			
			return;
		};
	};
	
	var scriptProcessor="ScriptProcessor";//一堆字符串名字，有利于压缩js
	var audioWorklet="audioWorklet";