From 1ae44c87c924b69a0657256fbaa8ad140df2f27c Mon Sep 17 00:00:00 2001 From: Clément Bœsch Date: Fri, 7 Dec 2012 00:41:04 +0100 Subject: lavfi/gradfun: remove rounding to match C and SSE code. There is no noticable benefit for such precision. Signed-off-by: Anton Khirnov --- libavfilter/x86/vf_gradfun.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavfilter/x86') 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" -- cgit v1.2.3