projects / deliverable / linux.git / blame
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|---|---|---|
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1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | ||
| 3 | .. _VIDEO_SET_ATTRIBUTES: | |
| 4 | ||
| 586027ce | 5 | ==================== |
| 47d23e36 MCC |
6 | VIDEO_SET_ATTRIBUTES |
| 7 | ==================== | |
| 8 | ||
| 15e7d615 | 9 | Name |
| 586027ce | 10 | ---- |
| 47d23e36 | 11 | |
| 586027ce | 12 | VIDEO_SET_ATTRIBUTES |
| 47d23e36 | 13 | |
| cf8076c3 | 14 | .. attention:: This ioctl is deprecated. |
| 15e7d615 MCC |
15 | |
| 16 | Synopsis | |
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17 | -------- |
| 18 | ||
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19 | .. c:function:: int ioctl(fd, VIDEO_SET_ATTRIBUTE ,video_attributes_t vattr) |
| 20 | :name: VIDEO_SET_ATTRIBUTE | |
| 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_ATTRIBUTE for this command. | |
| 42 | ||
| 43 | - .. row 3 | |
| 44 | ||
| 45 | - video_attributes_t vattr | |
| 46 | ||
| 47 | - video attributes according to section ??. | |
| 48 | ||
| 49 | ||
| 15e7d615 | 50 | Description |
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51 | ----------- |
| 52 | ||
| 53 | This ioctl is intended for DVD playback and allows you to set certain | |
| 54 | information about the stream. Some hardware may not need this | |
| 55 | information, but the call also tells the hardware to prepare for DVD | |
| 56 | playback. | |
| 57 | ||
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58 | .. c:type:: video_attributes_t |
| 59 | ||
| 60 | .. code-block::c | |
| 61 | ||
| 62 | typedef __u16 video_attributes_t; | |
| 63 | /* bits: descr. */ | |
| 64 | /* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */ | |
| 65 | /* 13-12 TV system (0=525/60, 1=625/50) */ | |
| 66 | /* 11-10 Aspect ratio (0=4:3, 3=16:9) */ | |
| 67 | /* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */ | |
| 68 | /* 7 line 21-1 data present in GOP (1=yes, 0=no) */ | |
| 69 | /* 6 line 21-2 data present in GOP (1=yes, 0=no) */ | |
| 70 | /* 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */ | |
| 71 | /* 2 source letterboxed (1=yes, 0=no) */ | |
| 72 | /* 0 film/camera mode (0=camera, 1=film (625/50 only)) */ | |
| 73 | ||
| 586027ce | 74 | |
| 15e7d615 | 75 | Return Value |
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76 | ------------ |
| 77 | ||
| 78 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
| 79 | appropriately. The generic error codes are described at the | |
| 80 | :ref:`Generic Error Codes <gen-errors>` chapter. | |
| 81 | ||
| 82 | ||
| 83 | ||
| 84 | .. flat-table:: | |
| 85 | :header-rows: 0 | |
| 86 | :stub-columns: 0 | |
| 87 | ||
| 88 | ||
| 89 | - .. row 1 | |
| 90 | ||
| 91 | - ``EINVAL`` | |
| 92 | ||
| 93 | - input is not a valid attribute setting. |