[FFmpeg-trac] #11574(ffplay:new): FFmpeg fails to handle symlinks to video devide

FFmpeg trac at avcodec.org
Sun May 4 13:32:29 EEST 2025


#11574: FFmpeg fails to handle symlinks to video devide
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             Reporter:  Martmists  |                    Owner:  (none)
                 Type:  defect     |                   Status:  new
             Priority:  normal     |                Component:  ffplay
              Version:  7.1        |               Resolution:
             Keywords:             |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
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Comment (by Marton Balint):

 You could always enforce the used input demuxer/device with -f v4l2. E.g.

 {{{
 ffplay -f v4l2 /dev/webcam
 }}}

 Right now ffmpeg only automatically assumes a v4l2 device if the filename
 used is /dev/video. Maybe it could probe the filename to determine if it
 is a valid v4l2 char device instead of relying on the filename itself.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11574#comment:1>
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