blob: a7730559bbb2b77e26cce07222ca9a9dde956394 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.video
.. _VIDEO_CLEAR_BUFFER:
==================
VIDEO_CLEAR_BUFFER
==================
Name
----
VIDEO_CLEAR_BUFFER
.. attention:: This ioctl is deprecated.
Synopsis
--------
.. c:macro:: VIDEO_CLEAR_BUFFER
``int ioctl(fd, VIDEO_CLEAR_BUFFER)``
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
- .. row 2
- int request
- Equals VIDEO_CLEAR_BUFFER for this command.
Description
-----------
This ioctl call clears all video buffers in the driver and in the
decoder hardware.
Return Value
------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
|