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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _VIDEO_SET_BLANK: | |
4 | ||
586027ce | 5 | =============== |
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6 | VIDEO_SET_BLANK |
7 | =============== | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ---- |
47d23e36 | 11 | |
586027ce | 12 | VIDEO_SET_BLANK |
47d23e36 | 13 | |
cf8076c3 | 14 | .. attention:: This ioctl is deprecated. |
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15 | |
16 | Synopsis | |
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17 | -------- |
18 | ||
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19 | .. c:function:: int ioctl(fd, VIDEO_SET_BLANK, boolean mode) |
20 | :name: VIDEO_SET_BLANK | |
47d23e36 | 21 | |
47d23e36 | 22 | |
15e7d615 | 23 | Arguments |
586027ce | 24 | --------- |
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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_BLANK for this command. | |
42 | ||
43 | - .. row 3 | |
44 | ||
45 | - boolean mode | |
46 | ||
47 | - TRUE: Blank screen when stop. | |
48 | ||
49 | - .. row 4 | |
50 | ||
51 | - | |
52 | - FALSE: Show last decoded frame. | |
53 | ||
54 | ||
15e7d615 | 55 | Description |
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56 | ----------- |
57 | ||
58 | This ioctl call asks the Video Device to blank out the picture. | |
59 | ||
60 | ||
15e7d615 | 61 | Return Value |
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62 | ------------ |
63 | ||
64 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
65 | appropriately. The generic error codes are described at the | |
66 | :ref:`Generic Error Codes <gen-errors>` chapter. |