Function readMatroskaBlock

runtime/html5/static/recorder-core.js:1443–1454

(arr,pos)

};
//读取一个自带长度的内容字节数组
var readMatroskaBlock=function(arr,pos){
	var lenVal=readMatroskaVInt(arr,pos,1);
	if(!lenVal)return;
	var len=BytesInt(lenVal);
	var i=pos[0], val=[];
	if(len<0x7FFFFFFF){ //超大值代表没有长度
		if(i+len>arr.length)return;
		for(var i2=0;i2<len;i2++){ val[i2]=arr[i]; i++; }
	}
	pos[0]=i;
	return val;
};
//=====End WebM读取=====