[FFmpeg-trac] #4998(undetermined:new): m4a files created by FFmpeg aren't supported by SanDisk Clip Sport/Jam.

[FFmpeg]

#4998: m4a files created by FFmpeg aren't supported by SanDisk Clip Sport/Jam.
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             Reporter:  bat999       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Hi
 m4a files created by FFmpeg aren't supported by SanDisk Clip Sport/Jam.
 I've attached 3 files.

 1 nero.m4a
 This plays OK.
 Created with neroAacEnc version 1.5.4.0
 neroAacEnc -if foo.wav -of nero.m4a

 2 FFmpeg.m4a
 This doesn't play.
 Created with FFmpeg ffmpeg version git-2015-10-28-cceed83
 FFmpeg -i foo.wav -c:a aac -strict -2 FFmpeg.m4a

 3 nero2.m4a
 This doesn't play either (nero file re-muxed by FFmpeg).
 ffmpeg -i nero.m4a -c copy nero2.m4a

 So I think that it is not FFmpeg's aac encoder that is causing the
 problem, but maybe the muxing into m4a by FFmpeg.

 My operating system Ubuntu-12.04.
 The mp3 player is Clip Jam 8GB model number SDMX26-008G-G46K

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Ticket URL: <https://trac.ffmpeg.org/ticket/4998>
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