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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-02-12 19:40:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-03-28 18:07:13 +0100 |
| commit | 3d5f03bbc8bba2929cc09b07d2731ae5d392e772 (patch) | |
| tree | f25d2158ed74377f2233ad89706f3fe6d771e4cb | |
| parent | bba6df9ac7bd8386d92e1a7f5c737ca4e575fccf (diff) | |
| download | ffmpeg-3d5f03bbc8bba2929cc09b07d2731ae5d392e772.tar.gz | |
avfilter/vf_signature: Dont crash on no frames
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavfilter/vf_signature.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/vf_signature.c b/libavfilter/vf_signature.c index 758b6e5101..3858fe3070 100644 --- a/libavfilter/vf_signature.c +++ b/libavfilter/vf_signature.c @@ -379,6 +379,9 @@ static int xml_export(AVFilterContext *ctx, StreamContext *sc, const char* filen FILE* f; unsigned int pot3[5] = { 3*3*3*3, 3*3*3, 3*3, 3, 1 }; + if (!sc->coarseend->last) + return AVERROR(EINVAL); // No frames ? + f = avpriv_fopen_utf8(filename, "w"); if (!f) { int err = AVERROR(EINVAL); |