1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/media/uapi/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
10 .. _VIDEO_GET_CAPABILITIES:
12 ======================
13 VIDEO_GET_CAPABILITIES
14 ======================
19 VIDEO_GET_CAPABILITIES
21 .. attention:: This ioctl is deprecated.
26 .. c:function:: int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap)
27 :name: VIDEO_GET_CAPABILITIES
42 - File descriptor returned by a previous call to open().
48 - Equals VIDEO_GET_CAPABILITIES for this command.
54 - Pointer to a location where to store the capability information.
60 This ioctl call asks the video device about its decoding capabilities.
61 On success it returns and integer which has bits set according to the
62 defines in section ??.
68 On success 0 is returned, on error -1 and the ``errno`` variable is set
69 appropriately. The generic error codes are described at the
70 :ref:`Generic Error Codes <gen-errors>` chapter.