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avfilter/buffersrc: check for valid sample rate

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A sample rate <= 0 is invalid.

Fixes an assert in ffmpeg_enc.c that assumed a valid sample rate would be set.
Fixes ticket #11385.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 1446e37d3d)
This commit is contained in:
James Almer 2024-12-30 00:25:41 -03:00 • committed by Michael Niedermayer
parent 3c34ce7cfe
commit 20dee7be59
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1 changed files with 5 additions and 0 deletions
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libavfilter/buffersrc.c
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@ -372,6 +372,11 @@ static av_cold int init_audio(AVFilterContext *ctx)
if (!(s->fifo = av_fifo_alloc(sizeof(AVFrame*))))
return AVERROR(ENOMEM);
if (s->sample_rate <= 0) {
av_log(ctx, AV_LOG_ERROR, "Sample rate not set\n");
return AVERROR(EINVAL);
}
if (!s->time_base.num)
s->time_base = (AVRational){1, s->sample_rate};