projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
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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 | ||
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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. |