From f29bd6fa714482f92de4115c7fd7b81058b153ff Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 20 Aug 2007 22:26:49 +0000 Subject: [PATCH] more stupid double subtractions Originally committed as revision 10155 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/snow.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/snow.h b/libavcodec/snow.h index 71bafa825f..19df4ad791 100644 --- a/libavcodec/snow.h +++ b/libavcodec/snow.h @@ -165,11 +165,11 @@ static av_always_inline void snow_horizontal_compose_lift_lead_out(int i, DWTELE static av_always_inline void snow_horizontal_compose_liftS_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w){ for(; i> W_BS); + dst[i] = src[i] + ((ref[i] + ref[(i+1)]+W_BO-1 + 4 * src[i]) >> W_BS); } if(width&1){ - dst[w] = src[w] - (((-2 * ref[w] + W_BO) - 4 * src[w]) >> W_BS); + dst[w] = src[w] + ((2 * ref[w] + W_BO-1 + 4 * src[w]) >> W_BS); } } -- 2.11.0