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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.video
3
4.. _VIDEO_GET_SIZE:
5
6==============
7VIDEO_GET_SIZE
8==============
9
10Name
11----
12
13VIDEO_GET_SIZE
14
15.. attention:: This ioctl is deprecated.
16
17Synopsis
18--------
19
20.. c:macro:: VIDEO_GET_SIZE
21
22``int ioctl(int fd, VIDEO_GET_SIZE, video_size_t *size)``
23
24Arguments
25---------
26
27.. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
30
31 - .. row 1
32
33 - int fd
34
35 - File descriptor returned by a previous call to open().
36
37 - .. row 2
38
39 - int request
40
41 - Equals VIDEO_GET_SIZE for this command.
42
43 - .. row 3
44
45 - video_size_t \*size
46
47 - Returns the size and aspect ratio.
48
49Description
50-----------
51
52This ioctl returns the size and aspect ratio.
53
54.. c:type:: video_size_t
55
56.. code-block::c
57
58 typedef struct {
59 int w;
60 int h;
61 video_format_t aspect_ratio;
62 } video_size_t;
63
64Return Value
65------------
66
67On success 0 is returned, on error -1 and the ``errno`` variable is set
68appropriately. The generic error codes are described at the
69:ref:`Generic Error Codes <gen-errors>` chapter.