[FFmpeg-trac] #7045(undetermined:new): Should retain pixel density metadata from HiDPI/Retina screen recordings

[FFmpeg]

#7045: Should retain pixel density metadata from HiDPI/Retina screen recordings
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             Reporter:  moubry       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by hughes):

 Specifically, it has a value of 0x30 prior to conversion. Confirmed that
 setting it to any other value seems to revert the lower DPI during
 playback.

 This metadata is actually part of the `trak` atom meta, not the `moov`
 meta.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7045#comment:7>
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