public bool Decode(ref H264PictureInfo pictureInfo, ISurface output, ReadOnlySpan <byte> bitstream)
{
Surface outSurf = (Surface)output;
if (outSurf.RequestedWidth != _oldOutputWidth ||
outSurf.RequestedHeight != _oldOutputHeight)
{
_context.Dispose();
_context = new FFmpegContext();
_oldOutputWidth = outSurf.RequestedWidth;
_oldOutputHeight = outSurf.RequestedHeight;
}
Span <byte> bs = Prepend(bitstream, SpsAndPpsReconstruction.Reconstruct(ref pictureInfo, _workBuffer));
return(_context.DecodeFrame(outSurf, bs) == 0);
}