Sophie

Sophie

distrib > Mageia > 6 > armv5tl > media > core-updates > by-pkgid > 62cc31ee95c4bb5471e391c3bda96190 > files > 4930

kernel-doc-4.14.50-2.mga6.noarch.rpm

.. -*- coding: utf-8; mode: rst -*-

.. _VIDEO_SLOWMOTION:

================
VIDEO_SLOWMOTION
================

Name
----

VIDEO_SLOWMOTION

.. attention:: This ioctl is deprecated.

Synopsis
--------

.. c:function:: int ioctl(fd, VIDEO_SLOWMOTION, int nFrames)
    :name: VIDEO_SLOWMOTION


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_SLOWMOTION for this command.

    -  .. row 3

       -  int nFrames

       -  The number of times to repeat each frame.


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

This ioctl call asks the video device to repeat decoding frames N number
of times. This call can only be used if VIDEO_SOURCE_MEMORY is
selected.


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.



.. flat-table::
    :header-rows:  0
    :stub-columns: 0


    -  .. row 1

       -  ``EPERM``

       -  Mode VIDEO_SOURCE_MEMORY not selected.