Documentation/userspace-api/media/dvb/video-set-display-format.rst

.. Permission is granted to copy, distribute and/or modify this
.. document under the terms of the GNU Free Documentation License,
.. Version 1.1 or any later version published by the Free Software
.. Foundation, with no Invariant Sections, no Front-Cover Texts
.. and no Back-Cover Texts. A copy of the license is included at
.. Documentation/userspace-api/media/fdl-appendix.rst.
..
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections

.. _VIDEO_SET_DISPLAY_FORMAT:

========================
VIDEO_SET_DISPLAY_FORMAT
========================

Name
----

VIDEO_SET_DISPLAY_FORMAT

.. attention:: This ioctl is deprecated.

Synopsis
--------

.. c:function:: int ioctl(fd, VIDEO_SET_DISPLAY_FORMAT)
    :name: VIDEO_SET_DISPLAY_FORMAT


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_DISPLAY_FORMAT for this command.

    -  .. row 3

       -  video_display_format_t format

       -  Selects the video format to be used.


Description
-----------

This ioctl call asks the Video Device to select the video format to be
applied by the MPEG chip on the video.


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.