72 lines
1.0 KiB
ReStructuredText
72 lines
1.0 KiB
ReStructuredText
|
.. -*- coding: utf-8; mode: rst -*-
|
||
|
|
||
|
.. _VIDEO_GET_SIZE:
|
||
|
|
||
|
==============
|
||
|
VIDEO_GET_SIZE
|
||
|
==============
|
||
|
|
||
|
Name
|
||
|
----
|
||
|
|
||
|
VIDEO_GET_SIZE
|
||
|
|
||
|
.. attention:: This ioctl is deprecated.
|
||
|
|
||
|
Synopsis
|
||
|
--------
|
||
|
|
||
|
.. c:function:: int ioctl(int fd, VIDEO_GET_SIZE, video_size_t *size)
|
||
|
:name: VIDEO_GET_SIZE
|
||
|
|
||
|
|
||
|
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_GET_SIZE for this command.
|
||
|
|
||
|
- .. row 3
|
||
|
|
||
|
- video_size_t \*size
|
||
|
|
||
|
- Returns the size and aspect ratio.
|
||
|
|
||
|
|
||
|
Description
|
||
|
-----------
|
||
|
|
||
|
This ioctl returns the size and aspect ratio.
|
||
|
|
||
|
.. c:type:: video_size_t
|
||
|
|
||
|
.. code-block::c
|
||
|
|
||
|
typedef struct {
|
||
|
int w;
|
||
|
int h;
|
||
|
video_format_t aspect_ratio;
|
||
|
} video_size_t;
|
||
|
|
||
|
|
||
|
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.
|