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avfilter/af_amix: dont fail if there are no samples in output_frame()

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Fixes Ticket5326

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-04-28 20:49:13 +02:00
parent b092ee701f
commit abc957e896
1 changed files with 3 additions and 0 deletions
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3
libavfilter/af_amix.c
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@ -312,6 +312,9 @@ static int output_frame(AVFilterLink *outlink)
calculate_scales(s, nb_samples);
if (nb_samples == 0)
return 0;
out_buf = ff_get_audio_buffer(outlink, nb_samples);
if (!out_buf)
return AVERROR(ENOMEM);