[FFmpeg-trac] #1917(avcodec:new): Crash with -acodec libfdk_aac -f latm

[FFmpeg]

#1917: Crash with -acodec libfdk_aac -f latm
-------------------------------------+-------------------------------------
             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  libfdk-aac   |               Blocked By:
  crash SIGSEGV                      |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by jamal):

 Try running "ffmpeg -i fate-suite/svq3/Vertical400kbit.sorenson3.mov
 -flags global_header -latm 1 out.latm". That prevents the crash for me and
 creates a seemingly working file.

 Unless you set that flag, libfdk-aac does not store some extradata in the
 AVCodecContext that the latm demuxer seems to be expecting
 unconditionally.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1917#comment:1>
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