1 .. -*- coding: utf-8; mode: rst -*-
18 .. cpp:function:: int ioctl( int fd, int request = DMX_START)
33 - File descriptor returned by a previous call to open().
39 - Equals DMX_START for this command.
45 This ioctl call is used to start the actual filtering operation defined
46 via the ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER.
52 On success 0 is returned, on error -1 and the ``errno`` variable is set
53 appropriately. The generic error codes are described at the
54 :ref:`Generic Error Codes <gen-errors>` chapter.
67 - Invalid argument, i.e. no filtering parameters provided via the
68 DMX_SET_FILTER or DMX_SET_PES_FILTER functions.
74 - This error code indicates that there are conflicting requests.
75 There are active filters filtering data from another input source.
76 Make sure that these filters are stopped before starting this