1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.video 3 4.. _VIDEO_SET_DISPLAY_FORMAT: 5 6======================== 7VIDEO_SET_DISPLAY_FORMAT 8======================== 9 10Name 11---- 12 13VIDEO_SET_DISPLAY_FORMAT 14 15.. attention:: This ioctl is deprecated. 16 17Synopsis 18-------- 19 20.. c:macro:: VIDEO_SET_DISPLAY_FORMAT 21 22``int ioctl(fd, VIDEO_SET_DISPLAY_FORMAT)`` 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_SET_DISPLAY_FORMAT for this command. 42 43 - .. row 3 44 45 - video_display_format_t format 46 47 - Selects the video format to be used. 48 49Description 50----------- 51 52This ioctl call asks the Video Device to select the video format to be 53applied by the MPEG chip on the video. 54 55Return Value 56------------ 57 58On success 0 is returned, on error -1 and the ``errno`` variable is set 59appropriately. The generic error codes are described at the 60:ref:`Generic Error Codes <gen-errors>` chapter. 61