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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.video
3
4.. _VIDEO_GET_PTS:
5
6=============
7VIDEO_GET_PTS
8=============
9
10Name
11----
12
13VIDEO_GET_PTS
14
15.. attention:: This ioctl is deprecated.
16
17Synopsis
18--------
19
20.. c:macro:: VIDEO_GET_PTS
21
22``int ioctl(int fd, VIDEO_GET_PTS, __u64 *pts)``
23
24Arguments
25---------
26
27.. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
30
31 - .. row 1
32
33 - int fd
34
35 - File descriptor returned by a previous call to open().
36
37 - .. row 2
38
39 - int request
40
41 - Equals VIDEO_GET_PTS for this command.
42
43 - .. row 3
44
45 - __u64 \*pts
46
47 - Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 /
48 ISO/IEC 13818-1.
49
50 The PTS should belong to the currently played frame if possible,
51 but may also be a value close to it like the PTS of the last
52 decoded frame or the last PTS extracted by the PES parser.
53
54Description
55-----------
56
57This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders
58this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_PTS``
59control.
60
61This ioctl call asks the Video Device to return the current PTS
62timestamp.
63
64Return Value
65------------
66
67On success 0 is returned, on error -1 and the ``errno`` variable is set
68appropriately. The generic error codes are described at the
69:ref:`Generic Error Codes <gen-errors>` chapter.