1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.video
3
4.. _VIDEO_CLEAR_BUFFER:
5
6==================
7VIDEO_CLEAR_BUFFER
8==================
9
10Name
11----
12
13VIDEO_CLEAR_BUFFER
14
15.. attention:: This ioctl is deprecated.
16
17Synopsis
18--------
19
20.. c:macro:: VIDEO_CLEAR_BUFFER
21
22``int ioctl(fd, VIDEO_CLEAR_BUFFER)``
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_CLEAR_BUFFER for this command.
42
43Description
44-----------
45
46This ioctl call clears all video buffers in the driver and in the
47decoder hardware.
48
49Return Value
50------------
51
52On success 0 is returned, on error -1 and the ``errno`` variable is set
53appropriately. The generic error codes are described at the
54:ref:`Generic Error Codes <gen-errors>` chapter.
55