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_FORMAT
22 ``int ioctl(fd, VIDEO_SET_FORMAT, video_format_t format)``
35 - File descriptor returned by a previous call to open().
41 - Equals VIDEO_SET_FORMAT for this command.
45 - video_format_t format
47 - video format of TV as defined in section ??.
52 This ioctl sets the screen format (aspect ratio) of the connected output
53 device (TV) so that the output of the decoder can be adjusted
56 .. c:type:: video_format_t
61 VIDEO_FORMAT_4_3, /* Select 4:3 format */
62 VIDEO_FORMAT_16_9, /* Select 16:9 format. */
63 VIDEO_FORMAT_221_1 /* 2.21:1 */
69 On success 0 is returned, on error -1 and the ``errno`` variable is set
70 appropriately. The generic error codes are described at the
71 :ref:`Generic Error Codes <gen-errors>` chapter.
82 - format is not a valid video format.