[FFmpeg-trac] #6222(undetermined:new): "moov atom not found" error when running from FAT USB stick. O.k. when run from ext4 HDD.

[FFmpeg]

#6222: "moov atom not found" error when running from FAT USB stick.  O.k. when run
from ext4 HDD.
-------------------------------------+-------------------------------------
             Reporter:  justice      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 When I try to convert a file that I copied to a FAT USB stick I get the
 error below.  When I run it from the HDD original I don't get the error.
 The output in both cases was to the FAT USB stick.

 How to reproduce:
 {{{
 ffmpeg -i ltbf.m4v ltbf.wmv
 ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
   configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-
 suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl
 --enable-shared --disable-stripping --disable-decoder=libopenjpeg
 --disable-decoder=libschroedinger --enable-avresample --enable-avisynth
 --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray
 --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite
 --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-
 libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-
 libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-
 libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame
 --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
 --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal
 --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883
 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
   libavutil      54. 31.100 / 54. 31.100
   libavcodec     56. 60.100 / 56. 60.100
   libavformat    56. 40.101 / 56. 40.101
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 40.101 /  5. 40.101
   libavresample   2.  1.  0 /  2.  1.  0
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  2.101 /  1.  2.101
   libpostproc    53.  3.100 / 53.  3.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1ff0fa0] moov atom not found
 ltbf.m4v: Invalid data found when processing input
 }}}

 I believe that this is a stock Ubuntu 16.04 version.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6222>
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