[FFmpeg-trac] #5272(avcodec:open): videotoolbox fails to initialize for mpeg2, mpeg4 codec

[FFmpeg]

#5272: videotoolbox fails to initialize for mpeg2, mpeg4 codec
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             Reporter:  lucaswang    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
  videotoolbox regression            |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by ponpon):

 Replying to [comment:4 cehoyos]:
 moreover, videotoolbox decode has the option of quality of service as the
 above.
 there is a commit of such a function in vlc player.
 [vlc-commits] videotoolbox: add temporal deinterlacer option
 https://mailman.videolan.org/pipermail/vlc-commits/2015-August/031929.html
 as above, it's a shame to discard these options and potential.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5272#comment:6>
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