blob: 3858c69496a5ec31be8f338eec11a81ef06a7f1e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
.. -*- coding: utf-8; mode: rst -*-
.. _VIDEO_SET_BLANK:
===============
VIDEO_SET_BLANK
===============
Name
----
VIDEO_SET_BLANK
.. attention:: This ioctl is deprecated.
Synopsis
--------
.. c:function:: int ioctl(fd, VIDEO_SET_BLANK, boolean mode)
:name: VIDEO_SET_BLANK
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
- .. row 2
- int request
- Equals VIDEO_SET_BLANK for this command.
- .. row 3
- boolean mode
- TRUE: Blank screen when stop.
- .. row 4
-
- FALSE: Show last decoded frame.
Description
-----------
This ioctl call asks the Video Device to blank out the picture.
Return Value
------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
|
