diff options
| author | Clément Bœsch <ubitux@gmail.com> | 2012-12-07 00:41:04 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-03-28 07:59:29 +0100 |
| commit | 1ae44c87c924b69a0657256fbaa8ad140df2f27c (patch) | |
| tree | b9a1b9703b7f12c8cb529486b8c9ef990086c3c4 | |
| parent | 38a2f88d39e50c573193b6d3f14df58b6c4e3a7b (diff) | |
| download | ffmpeg-1ae44c87c924b69a0657256fbaa8ad140df2f27c.tar.gz | |
lavfi/gradfun: remove rounding to match C and SSE code.
There is no noticable benefit for such precision.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
| -rw-r--r-- | libavfilter/x86/vf_gradfun.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/x86/vf_gradfun.c b/libavfilter/x86/vf_gradfun.c index a9e069a5bf..65a8172cbc 100644 --- a/libavfilter/x86/vf_gradfun.c +++ b/libavfilter/x86/vf_gradfun.c @@ -136,9 +136,9 @@ static void gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, "psubw %%xmm6, %%xmm2 \n" "pminsw %%xmm7, %%xmm2 \n" // m = -max(0, 127-m) "pmullw %%xmm2, %%xmm2 \n" - "psllw $1, %%xmm2 \n" + "psllw $2, %%xmm1 \n" "paddw %%xmm4, %%xmm0 \n" // pix += dither - "pmulhrsw %%xmm2, %%xmm1 \n" // m = m*m*delta >> 14 + "pmulhw %%xmm2, %%xmm1 \n" // m = m*m*delta >> 14 "paddw %%xmm1, %%xmm0 \n" // pix += m "psraw $7, %%xmm0 \n" "packuswb %%xmm0, %%xmm0 \n" |