1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.video
15 .. attention:: This ioctl is deprecated.
20 .. c:macro:: VIDEO_SET_BLANK
22 ``int ioctl(fd, VIDEO_SET_BLANK, boolean mode)``
35 - File descriptor returned by a previous call to open().
41 - Equals VIDEO_SET_BLANK for this command.
47 - TRUE: Blank screen when stop.
52 - FALSE: Show last decoded frame.
57 This ioctl call asks the Video Device to blank out the picture.
62 On success 0 is returned, on error -1 and the ``errno`` variable is set
63 appropriately. The generic error codes are described at the
64 :ref:`Generic Error Codes <gen-errors>` chapter.