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doc/indevs: itemize examples for the v4l2 device

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Stefano Sabatini 2013-01-31 16:21:47 +01:00
parent d2ccab5f8a
commit 349e7f423f
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doc/indevs.texi
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@ -612,16 +612,22 @@ boot time, unaffected by NTP or manual changes to the clock). The
@option{-timestamps abs} or @option{-ts abs} option can be used to force
conversion into the real time clock.
Some usage examples of the video4linux2 devices with @command{ffmpeg}
Some usage examples of the video4linux2 device with @command{ffmpeg}
and @command{ffplay}:
@itemize
@item
Grab and show the input of a video4linux2 device:
@example
# Grab and show the input of a video4linux2 device.
ffplay -f video4linux2 -framerate 30 -video_size hd720 /dev/video0
@end example
# Grab and record the input of a video4linux2 device, leave the
framerate and size as previously set.
@item
Grab and record the input of a video4linux2 device, leave the
framerate and size as previously set:
@example
ffmpeg -f video4linux2 -input_format mjpeg -i /dev/video0 out.mpeg
@end example
@end itemize
For more information about Video4Linux, check @url{http://linuxtv.org/}.