Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
66 lines
1.2 KiB
ReStructuredText
66 lines
1.2 KiB
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
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.. c:namespace:: DTV.dmx
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.. _DMX_START:
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=========
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DMX_START
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=========
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Name
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----
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DMX_START
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Synopsis
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--------
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.. c:macro:: DMX_START
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``int ioctl(int fd, DMX_START)``
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Arguments
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---------
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``fd``
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File descriptor returned by :c:func:`open()`.
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Description
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-----------
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This ioctl call is used to start the actual filtering operation defined
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via the ioctl calls :ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER`.
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Return Value
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------------
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On success 0 is returned.
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On error -1 is returned, and the ``errno`` variable is set
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appropriately.
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.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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- .. row 1
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- ``EINVAL``
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- Invalid argument, i.e. no filtering parameters provided via the
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:ref:`DMX_SET_FILTER` or :ref:`DMX_SET_PES_FILTER` ioctls.
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- .. row 2
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- ``EBUSY``
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- This error code indicates that there are conflicting requests.
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There are active filters filtering data from another input source.
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Make sure that these filters are stopped before starting this
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filter.
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The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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