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Linux kernel mirror (for testing)
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1.. Permission is granted to copy, distribute and/or modify this
2.. document under the terms of the GNU Free Documentation License,
3.. Version 1.1 or any later version published by the Free Software
4.. Foundation, with no Invariant Sections, no Front-Cover Texts
5.. and no Back-Cover Texts. A copy of the license is included at
6.. Documentation/media/uapi/fdl-appendix.rst.
7..
8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
9
10.. _VIDEO_GET_FRAME_COUNT:
11
12=====================
13VIDEO_GET_FRAME_COUNT
14=====================
15
16Name
17----
18
19VIDEO_GET_FRAME_COUNT
20
21.. attention:: This ioctl is deprecated.
22
23Synopsis
24--------
25
26.. c:function:: int ioctl(int fd, VIDEO_GET_FRAME_COUNT, __u64 *pts)
27 :name: VIDEO_GET_FRAME_COUNT
28
29
30Arguments
31---------
32
33.. flat-table::
34 :header-rows: 0
35 :stub-columns: 0
36
37
38 - .. row 1
39
40 - int fd
41
42 - File descriptor returned by a previous call to open().
43
44 - .. row 2
45
46 - int request
47
48 - Equals VIDEO_GET_FRAME_COUNT for this command.
49
50 - .. row 3
51
52 - __u64 \*pts
53
54 - Returns the number of frames displayed since the decoder was
55 started.
56
57
58Description
59-----------
60
61This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders
62this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_FRAME``
63control.
64
65This ioctl call asks the Video Device to return the number of displayed
66frames since the decoder was started.
67
68
69Return Value
70------------
71
72On success 0 is returned, on error -1 and the ``errno`` variable is set
73appropriately. The generic error codes are described at the
74:ref:`Generic Error Codes <gen-errors>` chapter.