Commit | Line | Data |
---|---|---|
47d23e36 MCC |
1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _VIDEO_SET_SYSTEM: | |
4 | ||
586027ce | 5 | ================ |
47d23e36 MCC |
6 | VIDEO_SET_SYSTEM |
7 | ================ | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ---- |
47d23e36 | 11 | |
586027ce | 12 | VIDEO_SET_SYSTEM |
47d23e36 | 13 | |
cf8076c3 | 14 | .. attention:: This ioctl is deprecated. |
15e7d615 MCC |
15 | |
16 | Synopsis | |
47d23e36 MCC |
17 | -------- |
18 | ||
cf8076c3 MCC |
19 | .. c:function:: int ioctl(fd, VIDEO_SET_SYSTEM , video_system_t system) |
20 | :name: VIDEO_SET_SYSTEM | |
47d23e36 | 21 | |
47d23e36 | 22 | |
15e7d615 | 23 | Arguments |
586027ce | 24 | --------- |
47d23e36 MCC |
25 | |
26 | .. flat-table:: | |
27 | :header-rows: 0 | |
28 | :stub-columns: 0 | |
29 | ||
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_FORMAT for this command. | |
42 | ||
43 | - .. row 3 | |
44 | ||
45 | - video_system_t system | |
46 | ||
47 | - video system of TV output. | |
48 | ||
49 | ||
15e7d615 | 50 | Description |
586027ce MCC |
51 | ----------- |
52 | ||
53 | This ioctl sets the television output format. The format (see section | |
54 | ??) may vary from the color format of the displayed MPEG stream. If the | |
55 | hardware is not able to display the requested format the call will | |
56 | return an error. | |
57 | ||
58 | ||
15e7d615 | 59 | Return Value |
47d23e36 MCC |
60 | ------------ |
61 | ||
62 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
63 | appropriately. The generic error codes are described at the | |
64 | :ref:`Generic Error Codes <gen-errors>` chapter. | |
65 | ||
66 | ||
67 | ||
68 | .. flat-table:: | |
69 | :header-rows: 0 | |
70 | :stub-columns: 0 | |
71 | ||
72 | ||
73 | - .. row 1 | |
74 | ||
75 | - ``EINVAL`` | |
76 | ||
77 | - system is not a valid or supported video system. |