Change #264618

Comments

avcodec/mpegvideo_dec: Use C version of h264chroma mc2 functions
H.264 only uses these functions with height 2 or 4 and
the aarch64, arm and mips versions of them optimize based
on this. Yet this is not true when these functions are used
by the lowres code in mpegvideo_dec.c. So revert back to
the C versions of these functions for mpegvideo_dec so that
the H.264 decoder can still use fully optimized functions.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Changed files

• libavcodec/h264chroma.c
• libavcodec/h264chroma.h
• libavcodec/h264chroma_template.c
• libavcodec/mpegvideo_dec.c