.. 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/media/uapi/fdl-appendix.rst.
..
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections

.. _VIDEO_PLAY:

==========
VIDEO_PLAY
==========

Name
----

VIDEO_PLAY

.. attention:: This ioctl is deprecated.

Synopsis
--------

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


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_PLAY for this command.


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

This ioctl is for Digital TV devices only. To control a V4L2 decoder use the
V4L2 :ref:`VIDIOC_DECODER_CMD` instead.

This ioctl call asks the Video Device to start playing a video stream
from the selected source.


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.