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warn user if the selected diamond size is larger then the motion estimation score cache size 

Originally committed as revision 7326 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-12-17 13:11:34 +00:00
parent a6daaf7cce
commit af6a403a05
1 changed files with 6 additions and 0 deletions
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6
libavcodec/motion_est.c
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@ -231,6 +231,12 @@ static void zero_hpel(uint8_t *a, const uint8_t *b, int stride, int h){
void ff_init_me(MpegEncContext *s){
MotionEstContext * const c= &s->me;
c->avctx= s->avctx;
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);
if(cache_size < 2*dia_size && !c->stride){
av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
}
ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);