public static MediaFrameEntity MediaFrame2MediaSteamEntity(MediaFrame frame)
{
var result = new MediaFrameEntity()
{
Buffer = frame.Data,
Length = (ushort)frame.nSize,
EncodTime = frame.nTimetick,
MediaType = frame.nIsAudio == 1 ? MediaType.AudioES : MediaType.VideoES,
SampleRate = 32000,
FrameRate = 25,
Width = (ushort)frame.nWidth,
Height = (ushort)frame.nHeight,
KeyFrame = (byte)(frame.nIsAudio == 0 && frame.nIsKeyFrame == 1 ? 1 : 0),
};
if (frame.nIsAudio == 1 && frame.nIsKeyFrame == 1)
{
result.SampleRate = (ushort)frame.nFrequency;
}
if (frame.IsCommandMediaFrame())
{
result.Buffer = new byte[0];
result.Length = 0;
}
return(result);
}
private void OnCaptured(MediaFrame mf)
{
lock (this)
{
if (!mf.IsCommandMediaFrame())
{
if (mf.nTimetick == _lastTick)
{
mf.nTimetick++;
}
if (mf.nTimetick > _lastTick)
{
_lastTick = mf.nTimetick;
}
}
}
if (!IsAudioPub && mf.nIsAudio == 1)
{
return;
}
if (!IsVideoPub && mf.nIsAudio == 0)
{
return;
}
if (Captured != null)
{
Captured(this, new EventArgsEx <MediaFrame>(mf));
}
}
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);
}