[FFmpeg-trac] #7568(undetermined:reopened): Incorrect AAC file output

FFmpeg trac at avcodec.org
Thu Nov 29 13:34:41 EET 2018

#7568: Incorrect AAC file output
             Reporter:  Grabien      |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by heleppkes):

 If you want accurate duration and bitrate information, then store it in
 mp4/m4a, not raw .aac - or encode as CBR.

 Raw aac files don't have any way to store duration or bitrate, and if you
 encode it as Variable-Bitrate (VBR), there is no good way to accurately
 determine this information, and all it can do is  guess.

Ticket URL: <https://trac.ffmpeg.org/ticket/7568#comment:3>
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