• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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52This ioctl is obsolete.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.
66