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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.video
.. _VIDEO_SET_BLANK:
===============
VIDEO_SET_BLANK
===============
Name
----
VIDEO_SET_BLANK
.. attention:: This ioctl is deprecated.
Synopsis
--------
.. c:macro:: VIDEO_SET_BLANK
``int ioctl(fd, VIDEO_SET_BLANK, boolean mode)``
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_SET_BLANK for this command.
- .. row 3
- boolean mode
- TRUE: Blank screen when stop.
- .. row 4
-
- FALSE: Show last decoded frame.
Description
-----------
This ioctl call asks the Video Device to blank out the picture.
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.
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