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1.. Permission is granted to copy, distribute and/or modify this
2.. document under the terms of the GNU Free Documentation License,
3.. Version 1.1 or any later version published by the Free Software
4.. Foundation, with no Invariant Sections, no Front-Cover Texts
5.. and no Back-Cover Texts. A copy of the license is included at
6.. Documentation/userspace-api/media/fdl-appendix.rst.
7..
8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
9
10.. _VIDEO_GET_SIZE:
11
12==============
13VIDEO_GET_SIZE
14==============
15
16Name
17----
18
19VIDEO_GET_SIZE
20
21.. attention:: This ioctl is deprecated.
22
23Synopsis
24--------
25
26.. c:function:: int ioctl(int fd, VIDEO_GET_SIZE, video_size_t *size)
27 :name: VIDEO_GET_SIZE
28
29
30Arguments
31---------
32
33.. flat-table::
34 :header-rows: 0
35 :stub-columns: 0
36
37
38 - .. row 1
39
40 - int fd
41
42 - File descriptor returned by a previous call to open().
43
44 - .. row 2
45
46 - int request
47
48 - Equals VIDEO_GET_SIZE for this command.
49
50 - .. row 3
51
52 - video_size_t \*size
53
54 - Returns the size and aspect ratio.
55
56
57Description
58-----------
59
60This ioctl returns the size and aspect ratio.
61
62.. c:type:: video_size_t
63
64.. code-block::c
65
66 typedef struct {
67 int w;
68 int h;
69 video_format_t aspect_ratio;
70 } video_size_t;
71
72
73Return Value
74------------
75
76On success 0 is returned, on error -1 and the ``errno`` variable is set
77appropriately. The generic error codes are described at the
78:ref:`Generic Error Codes <gen-errors>` chapter.