.. 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 ` chapter.