154f38fcaSMauro Carvalho Chehab.. Permission is granted to copy, distribute and/or modify this 254f38fcaSMauro Carvalho Chehab.. document under the terms of the GNU Free Documentation License, 354f38fcaSMauro Carvalho Chehab.. Version 1.1 or any later version published by the Free Software 454f38fcaSMauro Carvalho Chehab.. Foundation, with no Invariant Sections, no Front-Cover Texts 554f38fcaSMauro Carvalho Chehab.. and no Back-Cover Texts. A copy of the license is included at 654f38fcaSMauro Carvalho Chehab.. Documentation/userspace-api/media/fdl-appendix.rst. 754f38fcaSMauro Carvalho Chehab.. 854f38fcaSMauro Carvalho Chehab.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho Chehab.. _DMX_START: 1154f38fcaSMauro Carvalho Chehab 1254f38fcaSMauro Carvalho Chehab========= 1354f38fcaSMauro Carvalho ChehabDMX_START 1454f38fcaSMauro Carvalho Chehab========= 1554f38fcaSMauro Carvalho Chehab 1654f38fcaSMauro Carvalho ChehabName 1754f38fcaSMauro Carvalho Chehab---- 1854f38fcaSMauro Carvalho Chehab 1954f38fcaSMauro Carvalho ChehabDMX_START 2054f38fcaSMauro Carvalho Chehab 2154f38fcaSMauro Carvalho Chehab 2254f38fcaSMauro Carvalho ChehabSynopsis 2354f38fcaSMauro Carvalho Chehab-------- 2454f38fcaSMauro Carvalho Chehab 2554f38fcaSMauro Carvalho Chehab.. c:function:: int ioctl( int fd, DMX_START) 2654f38fcaSMauro Carvalho Chehab :name: DMX_START 2754f38fcaSMauro Carvalho Chehab 2854f38fcaSMauro Carvalho Chehab 2954f38fcaSMauro Carvalho ChehabArguments 3054f38fcaSMauro Carvalho Chehab--------- 3154f38fcaSMauro Carvalho Chehab 3254f38fcaSMauro Carvalho Chehab``fd`` 3354f38fcaSMauro Carvalho Chehab File descriptor returned by :c:func:`open() <dvb-dmx-open>`. 3454f38fcaSMauro Carvalho Chehab 3554f38fcaSMauro Carvalho ChehabDescription 3654f38fcaSMauro Carvalho Chehab----------- 3754f38fcaSMauro Carvalho Chehab 3854f38fcaSMauro Carvalho ChehabThis ioctl call is used to start the actual filtering operation defined 3954f38fcaSMauro Carvalho Chehabvia the ioctl calls :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER`. 4054f38fcaSMauro Carvalho Chehab 4154f38fcaSMauro Carvalho Chehab 4254f38fcaSMauro Carvalho ChehabReturn Value 4354f38fcaSMauro Carvalho Chehab------------ 4454f38fcaSMauro Carvalho Chehab 4554f38fcaSMauro Carvalho ChehabOn success 0 is returned. 4654f38fcaSMauro Carvalho Chehab 4754f38fcaSMauro Carvalho ChehabOn error -1 is returned, and the ``errno`` variable is set 4854f38fcaSMauro Carvalho Chehabappropriately. 4954f38fcaSMauro Carvalho Chehab 5054f38fcaSMauro Carvalho Chehab.. tabularcolumns:: |p{2.5cm}|p{15.0cm}| 5154f38fcaSMauro Carvalho Chehab 5254f38fcaSMauro Carvalho Chehab.. flat-table:: 5354f38fcaSMauro Carvalho Chehab :header-rows: 0 5454f38fcaSMauro Carvalho Chehab :stub-columns: 0 5554f38fcaSMauro Carvalho Chehab 5654f38fcaSMauro Carvalho Chehab 5754f38fcaSMauro Carvalho Chehab - .. row 1 5854f38fcaSMauro Carvalho Chehab 5954f38fcaSMauro Carvalho Chehab - ``EINVAL`` 6054f38fcaSMauro Carvalho Chehab 6154f38fcaSMauro Carvalho Chehab - Invalid argument, i.e. no filtering parameters provided via the 6254f38fcaSMauro Carvalho Chehab :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER` ioctls. 6354f38fcaSMauro Carvalho Chehab 6454f38fcaSMauro Carvalho Chehab - .. row 2 6554f38fcaSMauro Carvalho Chehab 6654f38fcaSMauro Carvalho Chehab - ``EBUSY`` 6754f38fcaSMauro Carvalho Chehab 6854f38fcaSMauro Carvalho Chehab - This error code indicates that there are conflicting requests. 6954f38fcaSMauro Carvalho Chehab There are active filters filtering data from another input source. 7054f38fcaSMauro Carvalho Chehab Make sure that these filters are stopped before starting this 7154f38fcaSMauro Carvalho Chehab filter. 7254f38fcaSMauro Carvalho Chehab 7354f38fcaSMauro Carvalho Chehab 7454f38fcaSMauro Carvalho ChehabThe generic error codes are described at the 7554f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 76