77 lines
1.2 KiB
ReStructuredText
77 lines
1.2 KiB
ReStructuredText
|
.. -*- 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.
|