[FFmpeg-trac] #6424(avfilter:closed): endless loop in avfilter.c

[FFmpeg]

#6424: endless loop in avfilter.c
-------------------------------------+-------------------------------------
             Reporter:  tinybug      |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  important    |                Component:  avfilter
              Version:  git-master   |               Resolution:  fixed
             Keywords:  deadlock     |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by richardpl):

 Try this patch:

 {{{
 diff --git a/libavfilter/af_amix.c b/libavfilter/af_amix.c
 index f19e6b3..c0609d8 100644
 --- a/libavfilter/af_amix.c
 +++ b/libavfilter/af_amix.c
 @@ -313,7 +313,7 @@ static int output_frame(AVFilterLink *outlink, int
 need_request)
      calculate_scales(s, nb_samples);

      if (nb_samples == 0)
 -        return 0;
 +        return need_request ? ff_request_frame(ctx->inputs[1]) : 0;

      out_buf = ff_get_audio_buffer(outlink, nb_samples);
      if (!out_buf)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/6424#comment:12>
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