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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _AUDIO_GET_CAPABILITIES: | |
4 | ||
586027ce | 5 | ====================== |
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6 | AUDIO_GET_CAPABILITIES |
7 | ====================== | |
8 | ||
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9 | NAME |
10 | ---- | |
47d23e36 | 11 | |
586027ce | 12 | AUDIO_GET_CAPABILITIES |
47d23e36 | 13 | |
586027ce | 14 | SYNOPSIS |
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15 | -------- |
16 | ||
17 | .. c:function:: int ioctl(int fd, int request = AUDIO_GET_CAPABILITIES, unsigned int *cap) | |
18 | ||
47d23e36 | 19 | |
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20 | ARGUMENTS |
21 | --------- | |
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22 | |
23 | .. flat-table:: | |
24 | :header-rows: 0 | |
25 | :stub-columns: 0 | |
26 | ||
27 | ||
28 | - .. row 1 | |
29 | ||
30 | - int fd | |
31 | ||
32 | - File descriptor returned by a previous call to open(). | |
33 | ||
34 | - .. row 2 | |
35 | ||
36 | - int request | |
37 | ||
38 | - Equals AUDIO_GET_CAPABILITIES for this command. | |
39 | ||
40 | - .. row 3 | |
41 | ||
42 | - unsigned int \*cap | |
43 | ||
44 | - Returns a bit array of supported sound formats. | |
45 | ||
46 | ||
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47 | DESCRIPTION |
48 | ----------- | |
49 | ||
50 | This ioctl call asks the Audio Device to tell us about the decoding | |
51 | capabilities of the audio hardware. | |
52 | ||
53 | ||
54 | RETURN VALUE | |
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55 | ------------ |
56 | ||
57 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
58 | appropriately. The generic error codes are described at the | |
59 | :ref:`Generic Error Codes <gen-errors>` chapter. |