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avfilter/trim: Fix assertion failure with empty frames

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-09 11:51:20 +02:00
parent 190a5893d1
commit c9837613ed
1 changed files with 1 additions and 1 deletions
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2
libavfilter/trim.c
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@ -322,7 +322,7 @@ static int atrim_filter_frame(AVFilterLink *inlink, AVFrame *frame)
s->nb_samples += frame->nb_samples; s->nb_samples += frame->nb_samples;
start_sample = FFMAX(0, start_sample); start_sample = FFMAX(0, start_sample);
end_sample = FFMIN(frame->nb_samples, end_sample); end_sample = FFMIN(frame->nb_samples, end_sample);
av_assert0(start_sample < end_sample); av_assert0(start_sample < end_sample || (start_sample == end_sample && !frame->nb_samples));
if (start_sample) { if (start_sample) {
AVFrame *out = ff_get_audio_buffer(ctx->outputs[0], end_sample - start_sample); AVFrame *out = ff_get_audio_buffer(ctx->outputs[0], end_sample - start_sample);