diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/video-get-size.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/video-get-size.rst | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/video-get-size.rst b/Documentation/media/uapi/dvb/video-get-size.rst new file mode 100644 index 000000000..d077fe230 --- /dev/null +++ b/Documentation/media/uapi/dvb/video-get-size.rst @@ -0,0 +1,71 @@ +.. -*- 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. |