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OSCL-LXR

 
 

    


0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.video
0003 
0004 .. _VIDEO_PLAY:
0005 
0006 ==========
0007 VIDEO_PLAY
0008 ==========
0009 
0010 Name
0011 ----
0012 
0013 VIDEO_PLAY
0014 
0015 .. attention:: This ioctl is deprecated.
0016 
0017 Synopsis
0018 --------
0019 
0020 .. c:macro:: VIDEO_PLAY
0021 
0022 ``int ioctl(fd, VIDEO_PLAY)``
0023 
0024 Arguments
0025 ---------
0026 
0027 .. flat-table::
0028     :header-rows:  0
0029     :stub-columns: 0
0030 
0031     -  .. row 1
0032 
0033        -  int fd
0034 
0035        -  File descriptor returned by a previous call to open().
0036 
0037     -  .. row 2
0038 
0039        -  int request
0040 
0041        -  Equals VIDEO_PLAY for this command.
0042 
0043 Description
0044 -----------
0045 
0046 This ioctl is for Digital TV devices only. To control a V4L2 decoder use the
0047 V4L2 :ref:`VIDIOC_DECODER_CMD` instead.
0048 
0049 This ioctl call asks the Video Device to start playing a video stream
0050 from the selected source.
0051 
0052 Return Value
0053 ------------
0054 
0055 On success 0 is returned, on error -1 and the ``errno`` variable is set
0056 appropriately. The generic error codes are described at the
0057 :ref:`Generic Error Codes <gen-errors>` chapter.