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.. -*- coding: utf-8; mode: rst -*-
.. _VIDEO_SET_FORMAT:
================
VIDEO_SET_FORMAT
================
Name
----
VIDEO_SET_FORMAT
Synopsis
--------
.. c:function:: int ioctl(fd, int request = VIDEO_SET_FORMAT, video_format_t format)
Arguments
---------
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- int fd
- File descriptor returned by a previous call to open().
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- int request
- Equals VIDEO_SET_FORMAT for this command.
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- video_format_t format
- video format of TV as defined in section ??.
Description
-----------
This ioctl sets the screen format (aspect ratio) of the connected output
device (TV) so that the output of the decoder can be adjusted
accordingly.
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.
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- ``EINVAL``
- format is not a valid video format.
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