linux/linux-5.18.11/Documentation/userspace-api/media/dvb/dmx-remove-pid.rst

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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_REMOVE_PID:
==============
DMX_REMOVE_PID
==============
Name
----
DMX_REMOVE_PID
Synopsis
--------
.. c:macro:: DMX_REMOVE_PID
``int ioctl(fd, DMX_REMOVE_PID, __u16 *pid)``
Arguments
---------
``fd``
File descriptor returned by :c:func:`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.