1DC1394_VLOOPBACK(1) User Commands DC1394_VLOOPBACK(1)
2
3
4
6 dc1394_vloopback - send format0 video to V4L vloopback device
7
9 dc1394_vloopback [--daemon] [--pipe] [--guid=camera-euid]
10 [--video1394=/dev/video1394/x] [--vloopback=/dev/video0] [--pal‐
11 ette=yuv422|rgb24] [--width=n] [--height=n]
12
14 Sends format0 640x480 RGB to the vloopback input device so that it can
15 be consumed by V4L applications on the vloopback output device.
16
18 --daemon
19 run as a daemon, detached from console (optional).
20
21 --pipe write images to vloopback device instead of using zero-copy mmap
22 mode (optional).
23
24 --guid select camera to use (optional). default is first camera on any
25 port.
26
27 --video1394
28 specifies video1394 device to use (optional). default is
29 /dev/video1394/<port#>.
30
31 --vloopback
32 specifies video4linux device to use (optional). default is to
33 determine this automatically.
34
35 --palette
36 specify the video palette to use (optional). yuv422 (default) or
37 rgb24.
38
39 --width
40 set the initial width (default=640)
41
42 --height
43 set the initial height (default=480)
44
45 --help print help message
46
48 This program is maintained by the DC1394 Package Mainteners' team
49 <libdc1394-packaging@lists.sourceforge.net>.
50
51 The bugs related to libdc1394 and current packaging can be submitted
52 here:
53
54 http://bugs.launchpad.net/~libdc1394-dev/
55
56 For bugs related to library implementation, please submit to libdc1394
57 developers: <libdc1394-dev@lists.sourceforge.net>.
58
60 This manual page was originally written by Peter De Schrijver
61 <p2@debian.org> for the Debian GNU/Linux system (but may be used by
62 others).
63
65 This manual page is maintained by the DC1394 Package Mainteners'
66 team. The team members and other information can be found online at:
67 http://launchpad.net/~libdc1394-dev
68
69 Permission is granted to copy, distribute and/or modify this document
70 under the terms of the GNU Lesser General Public License, Version 2 or
71 any later version published by the Free Software Foundation.
72
73 On Debian systems (like Ubuntu), the complete text of the GNU Lesser
74 General Public License can be found in /usr/share/common-
75 licenses/LGPL-2.
76
78 dc1394_reset_bus(1)
79
80
81
82dc1394_vloopback February 2008 DC1394_VLOOPBACK(1)