0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.video
0003
0004 .. _VIDEO_CLEAR_BUFFER:
0005
0006 ==================
0007 VIDEO_CLEAR_BUFFER
0008 ==================
0009
0010 Name
0011 ----
0012
0013 VIDEO_CLEAR_BUFFER
0014
0015 .. attention:: This ioctl is deprecated.
0016
0017 Synopsis
0018 --------
0019
0020 .. c:macro:: VIDEO_CLEAR_BUFFER
0021
0022 ``int ioctl(fd, VIDEO_CLEAR_BUFFER)``
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_CLEAR_BUFFER for this command.
0042
0043 Description
0044 -----------
0045
0046 This ioctl call clears all video buffers in the driver and in the
0047 decoder hardware.
0048
0049 Return Value
0050 ------------
0051
0052 On success 0 is returned, on error -1 and the ``errno`` variable is set
0053 appropriately. The generic error codes are described at the
0054 :ref:`Generic Error Codes <gen-errors>` chapter.
