0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.video
0003
0004 .. _VIDEO_SET_BLANK:
0005
0006 ===============
0007 VIDEO_SET_BLANK
0008 ===============
0009
0010 Name
0011 ----
0012
0013 VIDEO_SET_BLANK
0014
0015 .. attention:: This ioctl is deprecated.
0016
0017 Synopsis
0018 --------
0019
0020 .. c:macro:: VIDEO_SET_BLANK
0021
0022 ``int ioctl(fd, VIDEO_SET_BLANK, boolean mode)``
0023
0024 Arguments
0025 ---------
0026
0027 .. flat-table::
0028 :header-rows: 0
0029 :stub-columns: 0
0030
0031 - .. row 1
0032
0033 - int fd
0034
0035 - File descriptor returned by a previous call to open().
0036
0037 - .. row 2
0038
0039 - int request
0040
0041 - Equals VIDEO_SET_BLANK for this command.
0042
0043 - .. row 3
0044
0045 - boolean mode
0046
0047 - TRUE: Blank screen when stop.
0048
0049 - .. row 4
0050
0051 -
0052 - FALSE: Show last decoded frame.
0053
0054 Description
0055 -----------
0056
0057 This ioctl call asks the Video Device to blank out the picture.
0058
0059 Return Value
0060 ------------
0061
0062 On success 0 is returned, on error -1 and the ``errno`` variable is set
0063 appropriately. The generic error codes are described at the
0064 :ref:`Generic Error Codes <gen-errors>` chapter.
