[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 Balling):

 >Motion-JPEG and uncompressed YUYV,

 First of all, MJPEG is lossy. Without c copy there will be genration loss.
 Second of all, YUYV is 422, not 420, but MJPEG supports 422.

 So I think it is all good.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9878#comment:1>
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