[FFmpeg-trac] #8850(ffplay:new): ffplay hangs if audio_thread() fails early

FFmpeg trac at avcodec.org
Fri Aug 14 13:31:32 EEST 2020

#8850: ffplay hangs if audio_thread() fails early
               Reporter:  Cigaes      |                  Owner:
                   Type:  defect      |                 Status:  new
               Priority:  normal      |              Component:  ffplay
                Version:  git-master  |               Keywords:
             Blocked By:              |               Blocking:
Reproduced by developer:  0           |  Analyzed by developer:  0
 With the following change to simulate an early failure:

 --- a/fftools/ffplay.c
 +++ b/fftools/ffplay.c
 @@ -2048,7 +2048,7 @@ static int audio_thread(void *arg)
      AVRational tb;
      int ret = 0;

 -    if (!frame)
 +    //if (!frame)
          return AVERROR(ENOMEM);

      do {

 ffplay hangs when playing any audio-only file without any diagnostic.

 (A similar failure can happen in real conditions, especially if the audio
 filter can be configured alone but not for the audio hardware parameters.)

Ticket URL: <https://trac.ffmpeg.org/ticket/8850>
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