| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | |
| 3 | .. _VIDEO_SET_BLANK: |
| 4 | |
| Mauro Carvalho Chehab | 586027c | 2016-07-05 07:58:48 -0300 | [diff] [blame] | 5 | =============== |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 6 | VIDEO_SET_BLANK |
| 7 | =============== |
| 8 | |
| Mauro Carvalho Chehab | 15e7d61 | 2016-07-05 15:14:35 -0300 | [diff] [blame] | 9 | Name |
| Mauro Carvalho Chehab | 586027c | 2016-07-05 07:58:48 -0300 | [diff] [blame] | 10 | ---- |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 11 | |
| Mauro Carvalho Chehab | 586027c | 2016-07-05 07:58:48 -0300 | [diff] [blame] | 12 | VIDEO_SET_BLANK |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 13 | |
| Mauro Carvalho Chehab | cf8076c | 2016-08-19 16:56:15 -0300 | [diff] [blame] | 14 | .. attention:: This ioctl is deprecated. |
| Mauro Carvalho Chehab | 15e7d61 | 2016-07-05 15:14:35 -0300 | [diff] [blame] | 15 | |
| 16 | Synopsis |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 17 | -------- |
| 18 | |
| Mauro Carvalho Chehab | cf8076c | 2016-08-19 16:56:15 -0300 | [diff] [blame] | 19 | .. c:function:: int ioctl(fd, VIDEO_SET_BLANK, boolean mode) |
| 20 | :name: VIDEO_SET_BLANK |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 21 | |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 22 | |
| Mauro Carvalho Chehab | 15e7d61 | 2016-07-05 15:14:35 -0300 | [diff] [blame] | 23 | Arguments |
| Mauro Carvalho Chehab | 586027c | 2016-07-05 07:58:48 -0300 | [diff] [blame] | 24 | --------- |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 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 | |
| Mauro Carvalho Chehab | 15e7d61 | 2016-07-05 15:14:35 -0300 | [diff] [blame] | 55 | Description |
| Mauro Carvalho Chehab | 586027c | 2016-07-05 07:58:48 -0300 | [diff] [blame] | 56 | ----------- |
| 57 | |
| 58 | This ioctl call asks the Video Device to blank out the picture. |
| 59 | |
| 60 | |
| Mauro Carvalho Chehab | 15e7d61 | 2016-07-05 15:14:35 -0300 | [diff] [blame] | 61 | Return Value |
| Mauro Carvalho Chehab | 47d23e3 | 2016-07-05 10:37:31 -0300 | [diff] [blame] | 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. |