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.. -*- coding: utf-8; mode: rst -*-
.. _AUDIO_SET_EXT_ID:
================
AUDIO_SET_EXT_ID
================
Name
----
AUDIO_SET_EXT_ID
Synopsis
--------
.. cpp:function:: int ioctl(fd, int request = AUDIO_SET_EXT_ID, int id)
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 AUDIO_SET_EXT_ID for this command.
- .. row 3
- int id
- audio sub_stream_id
Description
-----------
This ioctl can be used to set the extension id for MPEG streams in DVD
playback. Only the first 3 bits are recognized.
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.
.. flat-table::
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- .. row 1
- ``EINVAL``
- id is not a valid id.
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