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avcodec/snowenc: allow larger mb variances

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Fixes assertion failure
Fixes Ticket3463

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-03-21 18:29:16 +01:00
parent b4356c9cc2
commit 2fd14f062c
1 changed files with 1 additions and 1 deletions
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libavcodec/snowenc.c
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@ -1502,8 +1502,8 @@ static int ratecontrol_1pass(SnowContext *s, AVFrame *pict)
} }
/* ugly, ratecontrol just takes a sqrt again */ /* ugly, ratecontrol just takes a sqrt again */
coef_sum = (uint64_t)coef_sum * coef_sum >> 16;
av_assert0(coef_sum < INT_MAX); av_assert0(coef_sum < INT_MAX);
coef_sum = (uint64_t)coef_sum * coef_sum >> 16;
if(pict->pict_type == AV_PICTURE_TYPE_I){ if(pict->pict_type == AV_PICTURE_TYPE_I){
s->m.current_picture.mb_var_sum= coef_sum; s->m.current_picture.mb_var_sum= coef_sum;