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| author | Paul B Mahol <onemda@gmail.com> | 2019-10-11 12:55:13 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-05-04 19:23:51 +0200 |
| commit | fd8b08ebbb27e841fd5527e4b800ab3738216e9d (patch) | |
| tree | 294647ded5b5e19f4fc5dfc55a122ec98b966b89 | |
| parent | ff93d6f710fa95476e0e90dec6cb1303afe26e0f (diff) | |
| download | ffmpeg-fd8b08ebbb27e841fd5527e4b800ab3738216e9d.tar.gz | |
avfilter/vf_w3fdif: deny processing small videos
Fixes #8243
(cherry picked from commit 0e68e8c93f9068596484ec8ba725586860e06fc8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavfilter/vf_w3fdif.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavfilter/vf_w3fdif.c b/libavfilter/vf_w3fdif.c index cde17d246a..cf7dc4dfd7 100644 --- a/libavfilter/vf_w3fdif.c +++ b/libavfilter/vf_w3fdif.c @@ -169,6 +169,11 @@ static int config_input(AVFilterLink *inlink) s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); s->planeheight[0] = s->planeheight[3] = inlink->h; + if (inlink->h < 3) { + av_log(ctx, AV_LOG_ERROR, "Video of less than 3 lines is not supported\n"); + return AVERROR(EINVAL); + } + s->nb_planes = av_pix_fmt_count_planes(inlink->format); s->nb_threads = ff_filter_get_nb_threads(ctx); s->work_line = av_calloc(s->nb_threads, sizeof(*s->work_line)); |