Stefano Sabatini
12 years ago
1 changed files with 10 additions and 4 deletions
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+10 -4doc/indevs.texi
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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 | @option{-timestamps abs} or @option{-ts abs} option can be used to force | ||||
| conversion into the real time clock. | 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}: | and @command{ffplay}: | ||||
| @itemize | |||||
| @item | |||||
| Grab and show the input of a video4linux2 device: | |||||
| @example | @example | ||||
| # Grab and show the input of a video4linux2 device. | |||||
| ffplay -f video4linux2 -framerate 30 -video_size hd720 /dev/video0 | 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 | ffmpeg -f video4linux2 -input_format mjpeg -i /dev/video0 out.mpeg | ||||
| @end example | @end example | ||||
| @end itemize | |||||
| For more information about Video4Linux, check @url{http://linuxtv.org/}. | For more information about Video4Linux, check @url{http://linuxtv.org/}. | ||||