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avfilter/vf_crop: prevent integer overflows when calculating SAR

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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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James Almer 2024-07-09 17:32:11 -03:00 committed by Paul B Mahol
parent bc98ba2d71
commit 8642ea3599
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_crop.c
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@ -206,7 +206,7 @@ static int config_input(AVFilterLink *link)
AVRational dar = av_mul_q(link->sample_aspect_ratio,
(AVRational){ link->w, link->h });
av_reduce(&s->out_sar.num, &s->out_sar.den,
dar.num * s->h, dar.den * s->w, INT_MAX);
(int64_t)dar.num * s->h, (int64_t)dar.den * s->w, INT_MAX);
} else
s->out_sar = link->sample_aspect_ratio;