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authorPaul B Mahol <onemda@gmail.com>2019-10-11 13:55:13 +0300
committerMichael Niedermayer <michael@niedermayer.cc>2022-05-04 20:24:00 +0300
commit1a4d18820d551bedcfa03b7e8ca72df87d4b5cfa (patch)
tree7b6ad465695c1bf3000b95efac11b832d0095469
parentff73a50456b93e8d555603c093a3ebd193d0b097 (diff)
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.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavfilter/vf_w3fdif.c b/libavfilter/vf_w3fdif.c
index bbd8db00d3..90b60a593f 100644
--- a/libavfilter/vf_w3fdif.c
+++ b/libavfilter/vf_w3fdif.c
@@ -94,6 +94,11 @@ static int config_input(AVFilterLink *inlink)
s->planeheight[1] = s->planeheight[2] = FF_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 = ctx->graph->nb_threads;
s->work_line = av_calloc(s->nb_threads, sizeof(*s->work_line));