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. 7.. 8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9 10.. _VIDEO_GET_CAPABILITIES: 11 12====================== 13VIDEO_GET_CAPABILITIES 14====================== 15 16Name 17---- 18 19VIDEO_GET_CAPABILITIES 20 21.. attention:: This ioctl is deprecated. 22 23Synopsis 24-------- 25 26.. c:function:: int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap) 27 :name: VIDEO_GET_CAPABILITIES 28 29 30Arguments 31--------- 32 33.. flat-table:: 34 :header-rows: 0 35 :stub-columns: 0 36 37 38 - .. row 1 39 40 - int fd 41 42 - File descriptor returned by a previous call to open(). 43 44 - .. row 2 45 46 - int request 47 48 - Equals VIDEO_GET_CAPABILITIES for this command. 49 50 - .. row 3 51 52 - unsigned int \*cap 53 54 - Pointer to a location where to store the capability information. 55 56 57Description 58----------- 59 60This ioctl call asks the video device about its decoding capabilities. 61On success it returns and integer which has bits set according to the 62defines in section ??. 63 64 65Return Value 66------------ 67 68On success 0 is returned, on error -1 and the ``errno`` variable is set 69appropriately. The generic error codes are described at the 70:ref:`Generic Error Codes <gen-errors>` chapter. 71