video-play.rst (995B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.video 3 4.. _VIDEO_PLAY: 5 6========== 7VIDEO_PLAY 8========== 9 10Name 11---- 12 13VIDEO_PLAY 14 15.. attention:: This ioctl is deprecated. 16 17Synopsis 18-------- 19 20.. c:macro:: VIDEO_PLAY 21 22``int ioctl(fd, VIDEO_PLAY)`` 23 24Arguments 25--------- 26 27.. flat-table:: 28 :header-rows: 0 29 :stub-columns: 0 30 31 - .. row 1 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - .. row 2 38 39 - int request 40 41 - Equals VIDEO_PLAY for this command. 42 43Description 44----------- 45 46This ioctl is for Digital TV devices only. To control a V4L2 decoder use the 47V4L2 :ref:`VIDIOC_DECODER_CMD` instead. 48 49This ioctl call asks the Video Device to start playing a video stream 50from the selected source. 51 52Return Value 53------------ 54 55On success 0 is returned, on error -1 and the ``errno`` variable is set 56appropriately. The generic error codes are described at the 57:ref:`Generic Error Codes <gen-errors>` chapter.