linux/Documentation/media/uapi/dvb/dmx-add-pid.rst
Mauro Carvalho Chehab cf8076c314 [media] docs-rst: Convert DVB uAPI to use C function references
Name all ioctl references and make them match the ioctls that
are documented. That will improve the cross-reference index,
as it will have all ioctls and syscalls there.

While here, improve the documentation, marking the deprecated
ioctls, and making the non-deprecated ones more like the rest
of the media book.

Also, add a notice for ioctls that still require documentation.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-22 21:23:34 -03:00

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.. -*- coding: utf-8; mode: rst -*-
.. _DMX_ADD_PID:
===========
DMX_ADD_PID
===========
Name
----
DMX_ADD_PID
Synopsis
--------
.. c:function:: int ioctl(fd, DMX_ADD_PID, __u16 *pid)
:name: DMX_ADD_PID
Arguments
---------
``fd``
File descriptor returned by :c:func:`open() <dvb-dmx-open>`.
``pid``
PID number to be filtered.
Description
-----------
This ioctl call allows to add multiple PIDs to a transport stream filter
previously set up with DMX_SET_PES_FILTER and output equal to
DMX_OUT_TSDEMUX_TAP.
Return Value
------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.