protected override void DisposeUnmanaged()
{
fixed(AVPacket *p = &_pkt)
{
FFmpegInvoke.av_free_packet(p);
}
FFmpegInvoke.avcodec_close(_codec_context);
FFmpegInvoke.av_free(_codec_context);
FFmpegInvoke.av_freep(&_avFrameYUV->data_0);
fixed(AVFrame **p = &_avFrameYUV)
{
FFmpegInvoke.avcodec_free_frame(p);
}
FFmpegInvoke.av_freep(&_avFrameBGR->data_0);
fixed(AVFrame **p = &_avFrameBGR)
{
FFmpegInvoke.avcodec_free_frame(p);
}
}
public byte[] EncodeFrame(IntPtr rgb)
{
fixed(AVPacket *packet = &_pkt)
{
FFmpegInvoke.av_init_packet(packet);
_pkt.data = null;
_pkt.size = 0;
FFmpegInvoke.avpicture_fill((AVPicture *)_avFrameBGR, (byte *)rgb, INPUT_PIXEL_FORMAT, _avFrameBGR->width, _avFrameBGR->height);
var convertedBytes = _converter.ConvertFrame(_avFrameBGR);
fixed(byte *yuv = &convertedBytes[0])
{
FFmpegInvoke.avpicture_fill((AVPicture *)_avFrameYUV, yuv, CODEC_PIXEL_FORMAT, _avFrameYUV->width, _avFrameYUV->height);
}
int got_output;
var ret = FFmpegInvoke.avcodec_encode_video2(_codec_context, packet, _avFrameYUV, &got_output);
if (ret < 0)
{
throw new Exception("Error encoding frame");
}
if (got_output != 0)
{
byte[] arr = new byte[_pkt.size];
Marshal.Copy((IntPtr)_pkt.data, arr, 0, _pkt.size);
FFmpegInvoke.av_free_packet(packet);
return(arr);
}
else
{
return(null);
}
}
}