[FFmpeg-trac] #9878(undetermined:new): v4l2 encoder ignores input_format specification

[FFmpeg]

#9878: v4l2 encoder ignores input_format specification
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             Reporter:  leezu        |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  v4l2         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by leezu):

 yuyv422 at 1280x720 here only provides 10 fps (see the v4l2-ctl output
 above), whereas Motion-JPEG provides 30 fps.

 >  So I think it is all good.

 How do you suggest to capture 1280x720 resolution video at 30 fps with
 ffmpeg on this hardware? I assume the lossy MJPEG at 1280x720 will still
 be better than 640x360 YUYV. Even with -input_format mjpeg -c copy,
 yuyv422 is used.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9878#comment:2>
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