[FFmpeg-trac] #7817(avformat:new): Fails to parse mp4 header

[FFmpeg]

#7817: Fails to parse mp4 header
----------------------------------+--------------------------------------
             Reporter:  Rodeo     |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Submitted by !HandBrake user:

 https://forum.handbrake.fr/viewtopic.php?f=11&t=38897&p=183585#p183572

 Also fails with git master:

 ffmpeg -i 01_0001.mp4
 ffmpeg version N-93476-g391f884675 Copyright (c) 2000-2019 the FFmpeg
 developers
   built with Apple LLVM version 10.0.1 (clang-1001.0.46.3)
   configuration:
   libavutil      56. 26.100 / 56. 26.100
   libavcodec     58. 47.106 / 58. 47.106
   libavformat    58. 26.101 / 58. 26.101
   libavdevice    58.  7.100 / 58.  7.100
   libavfilter     7. 48.100 /  7. 48.100
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f88b3000000] error reading header
 01_0001.mp4: Invalid data found when processing input

 Sample above 10 MB (NSFW) available here:
 https://www.dropbox.com/s/tb5dox5ulywf14q/01_0001.mp4?dl=0

 Sample appears to play fine in VLC, FWIW.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7817>
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