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Linux kernel mirror (for testing)
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kernel
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linux
1.. -*- coding: utf-8; mode: rst -*-
2
3.. _AUDIO_GET_PTS:
4
5=============
6AUDIO_GET_PTS
7=============
8
9Name
10----
11
12AUDIO_GET_PTS
13
14.. attention:: This ioctl is deprecated
15
16Synopsis
17--------
18
19.. c:function:: int ioctl(int fd, AUDIO_GET_PTS, __u64 *pts)
20 :name: AUDIO_GET_PTS
21
22
23Arguments
24---------
25
26.. flat-table::
27 :header-rows: 0
28 :stub-columns: 0
29
30
31 -
32
33 - int fd
34
35 - File descriptor returned by a previous call to open().
36
37 -
38
39 - __u64 \*pts
40
41 - Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 /
42 ISO/IEC 13818-1.
43
44 The PTS should belong to the currently played frame if possible,
45 but may also be a value close to it like the PTS of the last
46 decoded frame or the last PTS extracted by the PES parser.
47
48
49Description
50-----------
51
52This ioctl is obsolete. Do not use in new drivers. If you need this
53functionality, then please contact the linux-media mailing list
54(`https://linuxtv.org/lists.php <https://linuxtv.org/lists.php>`__).
55
56This ioctl call asks the Audio Device to return the current PTS
57timestamp.
58
59
60Return Value
61------------
62
63On success 0 is returned, on error -1 and the ``errno`` variable is set
64appropriately. The generic error codes are described at the
65:ref:`Generic Error Codes <gen-errors>` chapter.