Module: libav Branch: master Commit: 1ae44c87c924b69a0657256fbaa8ad140df2f27c
Author: Clément Bœsch <[email protected]> Committer: Anton Khirnov <[email protected]> Date: Fri Dec 7 00:41:04 2012 +0100 lavfi/gradfun: remove rounding to match C and SSE code. There is no noticable benefit for such precision. Signed-off-by: Anton Khirnov <[email protected]> --- 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 a9e069a..65a8172 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" _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
