0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.video
0003
0004 .. _VIDEO_GET_CAPABILITIES:
0005
0006 ======================
0007 VIDEO_GET_CAPABILITIES
0008 ======================
0009
0010 Name
0011 ----
0012
0013 VIDEO_GET_CAPABILITIES
0014
0015 .. attention:: This ioctl is deprecated.
0016
0017 Synopsis
0018 --------
0019
0020 .. c:macro:: VIDEO_GET_CAPABILITIES
0021
0022 ``int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap)``
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_GET_CAPABILITIES for this command.
0042
0043 - .. row 3
0044
0045 - unsigned int \*cap
0046
0047 - Pointer to a location where to store the capability information.
0048
0049 Description
0050 -----------
0051
0052 This ioctl call asks the video device about its decoding capabilities.
0053 On success it returns and integer which has bits set according to the
0054 defines in section ??.
0055
0056 Return Value
0057 ------------
0058
0059 On success 0 is returned, on error -1 and the ``errno`` variable is set
0060 appropriately. The generic error codes are described at the
0061 :ref:`Generic Error Codes <gen-errors>` chapter.
