OpenCloudOS-Kernel/Documentation/media/uapi/dvb/dmx-remove-pid.rst

63 lines
1.0 KiB
ReStructuredText

.. -*- coding: utf-8; mode: rst -*-
.. _DMX_REMOVE_PID:
==============
DMX_REMOVE_PID
==============
Name
----
DMX_REMOVE_PID
Synopsis
--------
.. c:function:: int ioctl(fd, int request = DMX_REMOVE_PID, __u16 *)
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
- .. row 2
- int request
- Equals DMX_REMOVE_PID for this command.
- .. row 3
- __u16 *
- 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 DMX_OUT_TSDEMUX_TAP, created via either
DMX_SET_PES_FILTER or DMX_ADD_PID.
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.