[FFmpeg-trac] #4375(undetermined:new): Incorrect duration from bitrate for DTS-HD (MA and HRA) files

FFmpeg trac at avcodec.org
Wed Mar 18 09:45:28 CET 2015


#4375: Incorrect duration from bitrate for DTS-HD (MA and HRA) files
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  Underground78                      |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  minor        |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by heleppkes):

 It uses the core bitrate to calculate the duration, which is entirely
 wrong for HD files.
 DTS-HD is variable bitrate, you cannot calculate a duration for such files
 with any kind of accuracy.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4375#comment:1>
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