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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.. _VIDEO_GET_FRAME_COUNT:
4
5=====================
6VIDEO_GET_FRAME_COUNT
7=====================
8
9Name
10----
11
12VIDEO_GET_FRAME_COUNT
13
14.. attention:: This ioctl is deprecated.
15
16Synopsis
17--------
18
19.. c:function:: int ioctl(int fd, VIDEO_GET_FRAME_COUNT, __u64 *pts)
20 :name: VIDEO_GET_FRAME_COUNT
21
22
23Arguments
24---------
25
26.. flat-table::
27 :header-rows: 0
28 :stub-columns: 0
29
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_FRAME_COUNT for this command.
42
43 - .. row 3
44
45 - __u64 \*pts
46
47 - Returns the number of frames displayed since the decoder was
48 started.
49
50
51Description
52-----------
53
54This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders
55this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_FRAME``
56control.
57
58This ioctl call asks the Video Device to return the number of displayed
59frames since the decoder was started.
60
61
62Return Value
63------------
64
65On success 0 is returned, on error -1 and the ``errno`` variable is set
66appropriately. The generic error codes are described at the
67:ref:`Generic Error Codes <gen-errors>` chapter.