56 lines
979 B
ReStructuredText
56 lines
979 B
ReStructuredText
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.. -*- coding: utf-8; mode: rst -*-
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.. _VIDEO_SET_DISPLAY_FORMAT:
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VIDEO_SET_DISPLAY_FORMAT
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========================
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Description
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-----------
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This ioctl call asks the Video Device to select the video format to be
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applied by the MPEG chip on the video.
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Synopsis
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--------
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.. c:function:: int ioctl(fd, int request = VIDEO_SET_DISPLAY_FORMAT, video_display_format_t format)
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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_SET_DISPLAY_FORMAT for this command.
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- .. row 3
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- video_display_format_t format
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- Selects the video format to be used.
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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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