mirror of https://gitee.com/openkylin/linux.git
70 lines
1.0 KiB
ReStructuredText
70 lines
1.0 KiB
ReStructuredText
.. _VIDEO_GET_SIZE:
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==============
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VIDEO_GET_SIZE
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==============
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Name
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----
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VIDEO_GET_SIZE
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.. attention:: This ioctl is deprecated.
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Synopsis
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--------
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.. c:function:: int ioctl(int fd, VIDEO_GET_SIZE, video_size_t *size)
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:name: VIDEO_GET_SIZE
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Arguments
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---------
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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- .. row 1
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- int fd
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- File descriptor returned by a previous call to open().
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- .. row 2
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- int request
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- Equals VIDEO_GET_SIZE for this command.
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- .. row 3
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- video_size_t \*size
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- Returns the size and aspect ratio.
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Description
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-----------
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This ioctl returns the size and aspect ratio.
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.. c:type:: video_size_t
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.. code-block::c
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typedef struct {
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int w;
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int h;
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video_format_t aspect_ratio;
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} video_size_t;
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Return Value
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------------
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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