1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/userspace-api/media/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
25 .. c:function:: int ioctl( int fd, DMX_START)
33 File descriptor returned by :c:func:`open() <dvb-dmx-open>`.
38 This ioctl call is used to start the actual filtering operation defined
39 via the ioctl calls :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER`.
45 On success 0 is returned.
47 On error -1 is returned, and the ``errno`` variable is set
50 .. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
61 - Invalid argument, i.e. no filtering parameters provided via the
62 :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER` ioctls.
68 - This error code indicates that there are conflicting requests.
69 There are active filters filtering data from another input source.
70 Make sure that these filters are stopped before starting this
74 The generic error codes are described at the
75 :ref:`Generic Error Codes <gen-errors>` chapter.