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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _VIDEO_SET_SPU: | |
4 | ||
586027ce | 5 | ============= |
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6 | VIDEO_SET_SPU |
7 | ============= | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ---- |
47d23e36 | 11 | |
586027ce | 12 | VIDEO_SET_SPU |
47d23e36 | 13 | |
cf8076c3 | 14 | .. attention:: This ioctl is deprecated. |
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15 | |
16 | Synopsis | |
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17 | -------- |
18 | ||
848d1031 | 19 | .. c:function:: int ioctl(fd, VIDEO_SET_SPU , struct video_spu *spu) |
cf8076c3 | 20 | :name: VIDEO_SET_SPU |
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_SPU for this command. | |
42 | ||
43 | - .. row 3 | |
44 | ||
45 | - video_spu_t \*spu | |
46 | ||
47 | - SPU decoding (de)activation and subid setting according to section | |
48 | ??. | |
49 | ||
50 | ||
15e7d615 | 51 | Description |
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52 | ----------- |
53 | ||
54 | This ioctl activates or deactivates SPU decoding in a DVD input stream. | |
55 | It can only be used, if the driver is able to handle a DVD stream. | |
56 | ||
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57 | .. c:type:: struct video_spu |
58 | ||
59 | .. code-block:: c | |
60 | ||
61 | typedef struct video_spu { | |
62 | int active; | |
63 | int stream_id; | |
64 | } video_spu_t; | |
65 | ||
586027ce | 66 | |
15e7d615 | 67 | Return Value |
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68 | ------------ |
69 | ||
70 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
71 | appropriately. The generic error codes are described at the | |
72 | :ref:`Generic Error Codes <gen-errors>` chapter. | |
73 | ||
74 | ||
75 | ||
76 | .. flat-table:: | |
77 | :header-rows: 0 | |
78 | :stub-columns: 0 | |
79 | ||
80 | ||
81 | - .. row 1 | |
82 | ||
83 | - ``EINVAL`` | |
84 | ||
85 | - input is not a valid spu setting or driver cannot handle SPU. |