linux/Documentation/userspace-api/media/dvb/dmx-remove-pid.rst

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.. document under the terms of the GNU Free Documentation License,
.. Version 1.1 or any later version published by the Free Software
.. Foundation, with no Invariant Sections, no Front-Cover Texts
.. and no Back-Cover Texts. A copy of the license is included at
.. Documentation/userspace-api/media/fdl-appendix.rst.
..
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections

.. _DMX_REMOVE_PID:

==============
DMX_REMOVE_PID
==============

Name
----

DMX_REMOVE_PID


Synopsis
--------

.. c:function:: int ioctl(fd, DMX_REMOVE_PID, __u16 *pid)
    :name: DMX_REMOVE_PID


Arguments
---------

``fd``
    File descriptor returned by :c:func:`open() <dvb-dmx-open>`.

``pid``
    PID of the PES filter to be removed.


Description
-----------

This ioctl call allows to remove a PID when multiple PIDs are set on a
transport stream filter, e. g. a filter previously set up with output
equal to :c:type:`DMX_OUT_TSDEMUX_TAP <dmx_output>`, created via either
:ref:`DMX_SET_PES_FILTER` or :ref:`DMX_ADD_PID`.


Return Value
------------

On success 0 is returned.

On error -1 is returned, and the ``errno`` variable is set
appropriately.

The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.