mirror of https://gitee.com/openkylin/linux.git
58 lines
995 B
ReStructuredText
58 lines
995 B
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
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.. c:namespace:: DTV.video
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.. _VIDEO_PLAY:
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==========
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VIDEO_PLAY
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==========
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Name
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----
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VIDEO_PLAY
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.. attention:: This ioctl is deprecated.
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Synopsis
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--------
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.. c:macro:: VIDEO_PLAY
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``int ioctl(fd, VIDEO_PLAY)``
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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_PLAY for this command.
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Description
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-----------
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This ioctl is for Digital TV devices only. To control a V4L2 decoder use the
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V4L2 :ref:`VIDIOC_DECODER_CMD` instead.
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This ioctl call asks the Video Device to start playing a video stream
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from the selected source.
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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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