doc: Add -list_formats all example for video4linux2

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Jonas Lindgren
2015-03-06 23:06:20 +01:00
committed by Luca Barbato
co-authored by Luca Barbato
parent 9731cf4001
commit cecf45b2bf
+3
View File
@@ -271,6 +271,9 @@ supported using @command{-list_formats all} for Video4Linux2 devices.
Some usage examples of the video4linux2 devices with avconv and avplay:
@example
# List supported formats for a video4linux2 device.
avplay -f video4linux2 -list_formats all /dev/video0
# Grab and show the input of a video4linux2 device.
avplay -f video4linux2 -framerate 30 -video_size hd720 /dev/video0