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motion_est: more complete SAB diamond size check

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This makes no difference with the current #defines

Fixes CID732255
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-12 19:33:39 +02:00
parent 6f557a2e12
commit 3a48e38ad0
1 changed files with 1 additions and 1 deletions
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libavcodec/motion_est.c
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@ -298,7 +298,7 @@ int ff_init_me(MpegEncContext *s){
int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT); int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255); int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -ME_MAP_SIZE){ if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -FFMIN(ME_MAP_SIZE, MAX_SAB_SIZE)){
av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n"); av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
return -1; return -1;
} }