[FFmpeg-trac] #9129(undetermined:new): Ability to filter side data when remuxing and retranscoding

FFmpeg trac at avcodec.org
Fri Feb 26 16:14:27 EET 2021


#9129: Ability to filter side data when remuxing and retranscoding
-------------------------------------+-------------------------------------
             Reporter:  wader        |                     Type:
                                     |  enhancement
               Status:  new          |                 Priority:  wish
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Hello, i've run into a use case were it would be useful to be able to
 filter out all or specific side data information during remux or
 retranscode. The specific side info that I would like to not copy in this
 case is an AV_PKT_DATA_SPHERICAL
 display matrix that causes problems in another system.

 Unfortunately i can't share the example file publicly but I will try find
 another one or see if it's ok to share it.

 Relevant code references:

 Side info copy for remux:
 https://github.com/FFmpeg/FFmpeg/blob/master/fftools/ffmpeg.c#L3158

 Side info copy for retranscode:
 https://github.com/FFmpeg/FFmpeg/blob/master/fftools/ffmpeg.c#L3625

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Ticket URL: <https://trac.ffmpeg.org/ticket/9129>
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