54f38fcae5
Since 2017, there is an space reserved for userspace API,
created by changeset 1d596dee38 ("docs: Create a user-space API guide").
As the media subsystem was one of the first subsystems to use
Sphinx, until this patch, we were keeping things on a separate
place.
Let's just use the new location, as having all uAPI altogether
will likely make things easier for developers.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
57 lines
1.2 KiB
ReStructuredText
57 lines
1.2 KiB
ReStructuredText
.. Permission is granted to copy, distribute and/or modify this
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.. document under the terms of the GNU Free Documentation License,
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.. Version 1.1 or any later version published by the Free Software
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.. Foundation, with no Invariant Sections, no Front-Cover Texts
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.. and no Back-Cover Texts. A copy of the license is included at
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.. Documentation/userspace-api/media/fdl-appendix.rst.
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..
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.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
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.. _DMX_ADD_PID:
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===========
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DMX_ADD_PID
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===========
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Name
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----
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DMX_ADD_PID
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Synopsis
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--------
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.. c:function:: int ioctl(fd, DMX_ADD_PID, __u16 *pid)
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:name: DMX_ADD_PID
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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() <dvb-dmx-open>`.
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``pid``
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PID number to be filtered.
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Description
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-----------
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This ioctl call allows to add multiple PIDs to a transport stream filter
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previously set up with :ref:`DMX_SET_PES_FILTER` and output equal to
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:c:type:`DMX_OUT_TSDEMUX_TAP <dmx_output>`.
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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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Generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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