63 lines
1.4 KiB
ReStructuredText
63 lines
1.4 KiB
ReStructuredText
|
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
|
||
|
|
.. c:namespace:: DTV.dmx
|
||
|
|
|
||
|
|
.. _DMX_GET_PES_PIDS:
|
||
|
|
|
||
|
|
================
|
||
|
|
DMX_GET_PES_PIDS
|
||
|
|
================
|
||
|
|
|
||
|
|
Name
|
||
|
|
----
|
||
|
|
|
||
|
|
DMX_GET_PES_PIDS
|
||
|
|
|
||
|
|
Synopsis
|
||
|
|
--------
|
||
|
|
|
||
|
|
.. c:macro:: DMX_GET_PES_PIDS
|
||
|
|
|
||
|
|
``int ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])``
|
||
|
|
|
||
|
|
Arguments
|
||
|
|
---------
|
||
|
|
|
||
|
|
``fd``
|
||
|
|
File descriptor returned by :c:func:`open()`.
|
||
|
|
|
||
|
|
``pids``
|
||
|
|
Array used to store 5 Program IDs.
|
||
|
|
|
||
|
|
Description
|
||
|
|
-----------
|
||
|
|
|
||
|
|
This ioctl allows to query a DVB device to return the first PID used
|
||
|
|
by audio, video, textext, subtitle and PCR programs on a given service.
|
||
|
|
They're stored as:
|
||
|
|
|
||
|
|
======================= ======== =======================================
|
||
|
|
PID element position content
|
||
|
|
======================= ======== =======================================
|
||
|
|
pids[DMX_PES_AUDIO] 0 first audio PID
|
||
|
|
pids[DMX_PES_VIDEO] 1 first video PID
|
||
|
|
pids[DMX_PES_TELETEXT] 2 first teletext PID
|
||
|
|
pids[DMX_PES_SUBTITLE] 3 first subtitle PID
|
||
|
|
pids[DMX_PES_PCR] 4 first Program Clock Reference PID
|
||
|
|
======================= ======== =======================================
|
||
|
|
|
||
|
|
.. note::
|
||
|
|
|
||
|
|
A value equal to 0xffff means that the PID was not filled by the
|
||
|
|
Kernel.
|
||
|
|
|
||
|
|
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.
|