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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _DMX_START: | |
4 | ||
586027ce | 5 | ========= |
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6 | DMX_START |
7 | ========= | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ---- |
47d23e36 | 11 | |
586027ce | 12 | DMX_START |
47d23e36 | 13 | |
15e7d615 MCC |
14 | |
15 | Synopsis | |
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16 | -------- |
17 | ||
cf8076c3 MCC |
18 | .. c:function:: int ioctl( int fd, DMX_START) |
19 | :name: DMX_START | |
47d23e36 | 20 | |
47d23e36 | 21 | |
15e7d615 | 22 | Arguments |
586027ce | 23 | --------- |
47d23e36 | 24 | |
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25 | ``fd`` |
26 | File descriptor returned by :c:func:`open() <dvb-dmx-open>`. | |
47d23e36 | 27 | |
15e7d615 | 28 | Description |
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29 | ----------- |
30 | ||
31 | This ioctl call is used to start the actual filtering operation defined | |
32 | via the ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER. | |
33 | ||
34 | ||
15e7d615 | 35 | Return Value |
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36 | ------------ |
37 | ||
38 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
39 | appropriately. The generic error codes are described at the | |
40 | :ref:`Generic Error Codes <gen-errors>` chapter. | |
41 | ||
16dac354 | 42 | .. tabularcolumns:: |p{2.5cm}|p{15.0cm}| |
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43 | |
44 | .. flat-table:: | |
45 | :header-rows: 0 | |
46 | :stub-columns: 0 | |
47 | ||
48 | ||
49 | - .. row 1 | |
50 | ||
51 | - ``EINVAL`` | |
52 | ||
53 | - Invalid argument, i.e. no filtering parameters provided via the | |
54 | DMX_SET_FILTER or DMX_SET_PES_FILTER functions. | |
55 | ||
56 | - .. row 2 | |
57 | ||
58 | - ``EBUSY`` | |
59 | ||
60 | - This error code indicates that there are conflicting requests. | |
61 | There are active filters filtering data from another input source. | |
62 | Make sure that these filters are stopped before starting this | |
63 | filter. |