public override bool Decode(Packet packet, Frame outFrame)
{
var videoFrame = outFrame as VideoFrame;
if (videoFrame == null)
{
throw new ArgumentException($"{nameof(outFrame)}必须是{nameof(VideoFrame)}类型且不为null。");
}
int gotPicture = 0;
FF.avcodec_decode_video2(codecContext, outFrame.frame, &gotPicture, packet.packet).CheckFFmpegCode("视频解码发生错误");
if (gotPicture == 0)
{
return(false);
}
if (stream != null)
{
outFrame.presentTimestamp = new Timestamp(outFrame.frame->Pts, stream->TimeBase);
}
videoFrame.pictureType = outFrame.frame->PictType;
videoFrame.format = InFormat;
if (resampler != null)
{
resampler.InternalResample(videoFrame);
}
else
{
videoFrame.UpdateFromNative();
}
return(true);
}
