private bool CheckInit(MediaFrame frame, bool reinit = false)
{
if (!_inited)
{
if (frame.nIsKeyFrame == 1)
{
Init(frame);
}
}
if (!_inited)
{
return(false);
}
if (frame.IsCommandMediaFrame() && frame.GetCommandType() == MediaFrameCommandType.ResetCodec)
{
_inited = false;
return(false);
}
else if (frame.nIsKeyFrame == 1)
{
if (_width != -1 && _height != -1 && (frame.nWidth != _width || frame.nHeight != _height))
{
Init(frame, true);
}
}
return(true);
}
//System.IO.BinaryWriter bw = new BinaryWriter(new System.IO.FileStream(@"D:\\aac.aac", FileMode.Create));
protected virtual void _Play(MediaFrame frame)
{
if (_isDisoseing || _isDisosed)
{
return;
}
if (!_inited && frame.IsKeyFrame == 1)
{
Init(frame);
}
if (!_inited)
{
return;
}
if (frame.IsCommandMediaFrame() && frame.GetCommandType() == MediaFrameCommandType.ResetCodec)
{
//在这里重置解码器,这里因为音频格式一般不会发生变化,所以暂时没有做处理
return;
}
//string b = DateTime.Now.TimeOfDay + " begin end:";
byte[] buf = null;
if (_aac != null)
{
buf = DecMultiAAC(frame.GetData());
}
if (_speex != null)
{
buf = DecSPEX(frame.GetData());
}
if (buf != null && buf.Length > 0)
{
_Play(buf);
}
else
{
}
//Console.WriteLine(b + DateTime.Now.TimeOfDay + " : " + frame.Data.Length + " aac:" + buf.Length);
}