f9b2e8aa32
Sphinx 3.x broke support for the cdomain.py extension, as the c domain code was rewritten. Due to that, the c tags need to be re-written, in order to use the new c domain notation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
66 lines
1.2 KiB
ReStructuredText
66 lines
1.2 KiB
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
|
|
.. c:namespace:: DTV.dmx
|
|
|
|
.. _DMX_START:
|
|
|
|
=========
|
|
DMX_START
|
|
=========
|
|
|
|
Name
|
|
----
|
|
|
|
DMX_START
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
.. c:macro:: DMX_START
|
|
|
|
``int ioctl(int fd, DMX_START)``
|
|
|
|
Arguments
|
|
---------
|
|
|
|
``fd``
|
|
File descriptor returned by :c:func:`open()`.
|
|
|
|
Description
|
|
-----------
|
|
|
|
This ioctl call is used to start the actual filtering operation defined
|
|
via the ioctl calls :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER`.
|
|
|
|
Return Value
|
|
------------
|
|
|
|
On success 0 is returned.
|
|
|
|
On error -1 is returned, and the ``errno`` variable is set
|
|
appropriately.
|
|
|
|
.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
|
|
|
|
.. flat-table::
|
|
:header-rows: 0
|
|
:stub-columns: 0
|
|
|
|
- .. row 1
|
|
|
|
- ``EINVAL``
|
|
|
|
- Invalid argument, i.e. no filtering parameters provided via the
|
|
:ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER` ioctls.
|
|
|
|
- .. row 2
|
|
|
|
- ``EBUSY``
|
|
|
|
- This error code indicates that there are conflicting requests.
|
|
There are active filters filtering data from another input source.
|
|
Make sure that these filters are stopped before starting this
|
|
filter.
|
|
|
|
The generic error codes are described at the
|
|
:ref:`Generic Error Codes <gen-errors>` chapter.
|