1059b1c5bSMauro Carvalho Chehab.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2f9b2e8aaSMauro Carvalho Chehab.. c:namespace:: DTV.dmx 354f38fcaSMauro Carvalho Chehab 454f38fcaSMauro Carvalho Chehab.. _DMX_START: 554f38fcaSMauro Carvalho Chehab 654f38fcaSMauro Carvalho Chehab========= 754f38fcaSMauro Carvalho ChehabDMX_START 854f38fcaSMauro Carvalho Chehab========= 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho ChehabName 1154f38fcaSMauro Carvalho Chehab---- 1254f38fcaSMauro Carvalho Chehab 1354f38fcaSMauro Carvalho ChehabDMX_START 1454f38fcaSMauro Carvalho Chehab 1554f38fcaSMauro Carvalho ChehabSynopsis 1654f38fcaSMauro Carvalho Chehab-------- 1754f38fcaSMauro Carvalho Chehab 18f9b2e8aaSMauro Carvalho Chehab.. c:macro:: DMX_START 1954f38fcaSMauro Carvalho Chehab 20f9b2e8aaSMauro Carvalho Chehab``int ioctl(int fd, DMX_START)`` 2154f38fcaSMauro Carvalho Chehab 2254f38fcaSMauro Carvalho ChehabArguments 2354f38fcaSMauro Carvalho Chehab--------- 2454f38fcaSMauro Carvalho Chehab 2554f38fcaSMauro Carvalho Chehab``fd`` 26f9b2e8aaSMauro Carvalho Chehab File descriptor returned by :c:func:`open()`. 2754f38fcaSMauro Carvalho Chehab 2854f38fcaSMauro Carvalho ChehabDescription 2954f38fcaSMauro Carvalho Chehab----------- 3054f38fcaSMauro Carvalho Chehab 3154f38fcaSMauro Carvalho ChehabThis ioctl call is used to start the actual filtering operation defined 3254f38fcaSMauro Carvalho Chehabvia the ioctl calls :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER`. 3354f38fcaSMauro Carvalho Chehab 3454f38fcaSMauro Carvalho ChehabReturn Value 3554f38fcaSMauro Carvalho Chehab------------ 3654f38fcaSMauro Carvalho Chehab 3754f38fcaSMauro Carvalho ChehabOn success 0 is returned. 3854f38fcaSMauro Carvalho Chehab 3954f38fcaSMauro Carvalho ChehabOn error -1 is returned, and the ``errno`` variable is set 4054f38fcaSMauro Carvalho Chehabappropriately. 4154f38fcaSMauro Carvalho Chehab 4254f38fcaSMauro Carvalho Chehab.. tabularcolumns:: |p{2.5cm}|p{15.0cm}| 4354f38fcaSMauro Carvalho Chehab 4454f38fcaSMauro Carvalho Chehab.. flat-table:: 4554f38fcaSMauro Carvalho Chehab :header-rows: 0 4654f38fcaSMauro Carvalho Chehab :stub-columns: 0 4754f38fcaSMauro Carvalho Chehab 4854f38fcaSMauro Carvalho Chehab - .. row 1 4954f38fcaSMauro Carvalho Chehab 5054f38fcaSMauro Carvalho Chehab - ``EINVAL`` 5154f38fcaSMauro Carvalho Chehab 5254f38fcaSMauro Carvalho Chehab - Invalid argument, i.e. no filtering parameters provided via the 5354f38fcaSMauro Carvalho Chehab :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER` ioctls. 5454f38fcaSMauro Carvalho Chehab 5554f38fcaSMauro Carvalho Chehab - .. row 2 5654f38fcaSMauro Carvalho Chehab 5754f38fcaSMauro Carvalho Chehab - ``EBUSY`` 5854f38fcaSMauro Carvalho Chehab 5954f38fcaSMauro Carvalho Chehab - This error code indicates that there are conflicting requests. 6054f38fcaSMauro Carvalho Chehab There are active filters filtering data from another input source. 6154f38fcaSMauro Carvalho Chehab Make sure that these filters are stopped before starting this 6254f38fcaSMauro Carvalho Chehab filter. 6354f38fcaSMauro Carvalho Chehab 6454f38fcaSMauro Carvalho ChehabThe generic error codes are described at the 6554f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 66