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avfilter/vf_bwdif: fix heap-buffer overflow

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Fixes #8261
This commit is contained in:
Paul B Mahol 2019-10-13 23:21:35 +02:00
parent ce764a6c74
commit 8c3166e1c3
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_bwdif.c
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@ -343,8 +343,8 @@ static int config_props(AVFilterLink *link)
if(yadif->mode&1) if(yadif->mode&1)
link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1}); link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1});
if (link->w < 3 || link->h < 3) { if (link->w < 3 || link->h < 4) {
av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n"); av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or 4 lines is not supported\n");
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }