[FFmpeg-devel] [HACK] 50% faster H.264 decoding

Ronald S. Bultje rsbultje
Tue Aug 17 00:35:38 CEST 2010


On Wed, Aug 11, 2010 at 5:32 PM, Jason Garrett-Glaser
<darkshikari at gmail.com> wrote:
> 13. Use MPEG-2 MC for chroma MC, since we know that MVs are
> fullpel-only. ?Simplify edge emulation stuff accordingly too.

Does h264 chroma subpel actually use a memcpy shortcut if it's
fullpel? I don't remember exactly, but I don't think it has such a
shortcut for chroma, only for luma.


More information about the ffmpeg-devel mailing list