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.. -*- coding: utf-8; mode: rst -*-
.. _VIDEO_SLOWMOTION:
================
VIDEO_SLOWMOTION
================
Name
----
VIDEO_SLOWMOTION
Synopsis
--------
.. cpp:function:: int ioctl(fd, int request = VIDEO_SLOWMOTION, int nFrames)
Arguments
---------
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- 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.
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- ``EPERM``
- Mode VIDEO_SOURCE_MEMORY not selected.
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