[FFmpeg-trac] #2046(undetermined:new): support changes to DAR/SAR during -codec copy

[FFmpeg]

#2046: support changes to DAR/SAR during -codec copy
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             Reporter:  dericed      |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  dar          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by richardpl):

 hmm there are two distinct cases:

 1. sar/dar is stored in container - afaik this should work
 2. sar/dar is stored in bistream  - reencode is needed - though one could
 need to just replace few bits...

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2046#comment:2>
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