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Linux kernel mirror (for testing)
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1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.video
3
4.. _VIDEO_SET_DISPLAY_FORMAT:
5
6========================
7VIDEO_SET_DISPLAY_FORMAT
8========================
9
10Name
11----
12
13VIDEO_SET_DISPLAY_FORMAT
14
15.. attention:: This ioctl is deprecated.
16
17Synopsis
18--------
19
20.. c:macro:: VIDEO_SET_DISPLAY_FORMAT
21
22``int ioctl(fd, VIDEO_SET_DISPLAY_FORMAT)``
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_SET_DISPLAY_FORMAT for this command.
42
43 - .. row 3
44
45 - video_display_format_t format
46
47 - Selects the video format to be used.
48
49Description
50-----------
51
52This ioctl call asks the Video Device to select the video format to be
53applied by the MPEG chip on the video.
54
55Return Value
56------------
57
58On success 0 is returned, on error -1 and the ``errno`` variable is set
59appropriately. The generic error codes are described at the
60:ref:`Generic Error Codes <gen-errors>` chapter.