Changes between Version 2 and Version 3 of linux/v4l2

Timestamp:

10/05/2018 09:32:02 PM (6 years ago)

Author:

Tim Harvey

Comment:

updated v4l2-ctl details

linux/v4l2

@@ -2 +2 @@
 
 = Linux Video4Linux2 API (v4l2)
-The Linux Video4Linux2 (v4l2) API is the kernel's video input and output interface.
-
-
+Video4Linux or V4L is a collection of device drivers and an API for supporting readltime video capture on Linux systems. Various V4L drivers will create /dev/video* nodes in the filesystem that can be operated on for video capture.
+
+
+[=#v4l2-ctl]
 == v4l2-ctl utility
-The {{{v4l2-ctl}}} userspace application can be used to query or configure a v4l2 device. For complete information, including output resolutions etc , use the following:
+The {{{v4l2-ctl}}} application from the {{{v4l-utils}}} package can be used to query or configure a v4l2 device.
+
+For complete information, including output resolutions etc , use the following:
 {{{#!bash
 root@ventana:~# v4l2-ctl --device /dev/video3 --all # query all details about /dev/video3
 }}}
+
 
 See Also: