From cecf45b2bfbb85e9e59f355428fbd4d8cbc652a8 Mon Sep 17 00:00:00 2001
From: Jonas Lindgren <jonas.lindgren@gmail.com>
Date: Fri, 6 Mar 2015 23:02:34 +0100
Subject: [PATCH] doc: Add -list_formats all example for video4linux2

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 doc/indevs.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/indevs.texi b/doc/indevs.texi
index e514b63af2..30427905ff 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -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