[FFmpeg-devel] [PATCH 2/2] avfiltergraph: call query_formats on inputs first.

Nicolas George nicolas.george at normalesup.org
Thu Jun 7 21:54:36 CEST 2012

L'octidi 18 prairial, an CCXX, Atli Thorbjornsson a écrit :
> Nicolas, I just though I would mention that I tested your patches and yes
> they do fix the segfault but the crash at the end that burek mentions in
> https://ffmpeg.org/trac/ffmpeg/ticket/1400 for amix also occurs for amerge
> when they are used in a filtergraph as described in the ticket.
> If I only run amerge or only overlay then ffmpeg runs to completion, there
> seems to be a problem with running both at the same time.

Thanks for the feedback. As for the last problem you mention, I hope it was
fixed by this commit:
or it can be worked around with the -shortest option (until a proper fix is


  Nicolas George
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