On 16/02/15 6:46 PM, Clément Bœsch wrote: > On Mon, Feb 16, 2015 at 09:48:25PM +0100, James Almer wrote: >> ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Mon Feb 16 >> 16:53:31 2015 -0300| [22596383f3b8c7cd8a06570957face3875a73d3b] | committer: >> James Almer >> >> avcodec/hevcdsp: optimize pixel comparison in sao_edge_filter >> >> GCC 4.9.2 on a Core i5-4200U @ 1.60GHz, Linux x86_64 >> >> Before >> 715487 decicycles in sao_edge_filter_8, 262144 runs, 0 skips >> >> After >> 672104 decicycles in sao_edge_filter_8, 262144 runs, 0 skips >> >> Reviewed-by: Michael Niedermayer <michae...@gmx.at> >> Signed-off-by: James Almer <jamr...@gmail.com> >> >>> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=22596383f3b8c7cd8a06570957face3875a73d3b >> --- >> >> libavcodec/hevcdsp_template.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/libavcodec/hevcdsp_template.c b/libavcodec/hevcdsp_template.c >> index 9ce7bf2..aeb142c 100644 >> --- a/libavcodec/hevcdsp_template.c >> +++ b/libavcodec/hevcdsp_template.c >> @@ -325,7 +325,7 @@ static void FUNC(sao_band_filter_0)(uint8_t *_dst, >> uint8_t *_src, >> } >> } >> >> -#define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1)) >> +#define CMP(a, b) ((a > b) - (a < b)) >> > > You probably want to keep a and b protected.
Done, thanks for pointing it out. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel