.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_ADD_PID:
===========
DMX_ADD_PID
===========
Name
----
DMX_ADD_PID
Synopsis
--------
.. c:macro:: DMX_ADD_PID
``int ioctl(fd, DMX_ADD_PID, __u16 *pid)``
Arguments
---------
``fd``
File descriptor returned by :c:func:`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 :ref:`DMX_SET_PES_FILTER` and output equal to
:c:type:`DMX_OUT_TSDEMUX_TAP <dmx_output>`.
Return Value
------------
On success 0 is returned.
On error -1 is returned, and the ``errno`` variable is set
appropriately.
Generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.