1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.video
4 .. _VIDEO_GET_CAPABILITIES:
13 VIDEO_GET_CAPABILITIES
15 .. attention:: This ioctl is deprecated.
20 .. c:macro:: VIDEO_GET_CAPABILITIES
22 ``int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap)``
35 - File descriptor returned by a previous call to open().
41 - Equals VIDEO_GET_CAPABILITIES for this command.
47 - Pointer to a location where to store the capability information.
52 This ioctl call asks the video device about its decoding capabilities.
53 On success it returns and integer which has bits set according to the
54 defines in section ??.
59 On success 0 is returned, on error -1 and the ``errno`` variable is set
60 appropriately. The generic error codes are described at the
61 :ref:`Generic Error Codes <gen-errors>` chapter.