[FFmpeg-trac] #11025(undetermined:new): Support for retina/subpixel metadata

FFmpeg trac at avcodec.org
Thu May 23 23:41:11 EEST 2024


#11025: Support for retina/subpixel metadata
-------------------------------------+-------------------------------------
             Reporter:  Yury Ershov  |                     Type:
                                     |  enhancement
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:

 1. Record a video on a "retina" display with 2x subpixel.
 2. Re-eencode it with ffmpeg:
 {{{ffmpeg -y -i retina-2x-subpixel-original.mov -c:v libx264 -preset slow
 -crf 22 -pix_fmt yuv420p -c:a copy retina-2x-subpixel-original-re-
 encoded.mp4}}}
 3. The output resolution is the same but the software playing it in the
 original scale makes it 2 times bigger.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11025>
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