private VideoFrame SeekToFrame(int frameNumber)
{
var ts = frameNumber.ToTimestamp(Info.RealFrameRate, Info.TimeBase);
if (frameNumber < FramePosition || frameNumber > FramePosition + mediaOptions.VideoSeekThreshold)
{
stream.OwnerFile.SeekFile(ts, Info.Index);
}
stream.AdjustPackets(frameNumber.ToTimestamp(Info.RealFrameRate, Info.TimeBase));
return(stream.RecentlyDecodedFrame);
}