From 4885bde3187a2bb0cae85b67796e07db233bf77f Mon Sep 17 00:00:00 2001 From: Ganesh Ajjanagadde Date: Sat, 26 Sep 2015 16:24:01 +0200 Subject: [PATCH] motion_est_template: Fix undefined left shift of negative number This fixes a -Wshift-negative-value warning reported with clang 3.7+. Signed-off-by: Ganesh Ajjanagadde --- libavcodec/motion_est_template.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/motion_est_template.c b/libavcodec/motion_est_template.c index 01936c6a83..33f3dcb5de 100644 --- a/libavcodec/motion_est_template.c +++ b/libavcodec/motion_est_template.c @@ -704,7 +704,8 @@ static int sab_diamond_search(MpegEncContext * s, int *best, int dmin, key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1)); - if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue; + if ((key & (-(1 << (2 * ME_MAP_MV_BITS)))) != map_generation) + continue; minima[j].height= score_map[i]; minima[j].x= key & ((1<>=ME_MAP_MV_BITS;