1.. -*- coding: utf-8; mode: rst -*- 2 3.. _VIDEO_GET_CAPABILITIES: 4 5====================== 6VIDEO_GET_CAPABILITIES 7====================== 8 9Name 10---- 11 12VIDEO_GET_CAPABILITIES 13 14.. attention:: This ioctl is deprecated. 15 16Synopsis 17-------- 18 19.. c:function:: int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap) 20 :name: VIDEO_GET_CAPABILITIES 21 22 23Arguments 24--------- 25 26.. flat-table:: 27 :header-rows: 0 28 :stub-columns: 0 29 30 31 - .. row 1 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - .. row 2 38 39 - int request 40 41 - Equals VIDEO_GET_CAPABILITIES for this command. 42 43 - .. row 3 44 45 - unsigned int \*cap 46 47 - Pointer to a location where to store the capability information. 48 49 50Description 51----------- 52 53This ioctl call asks the video device about its decoding capabilities. 54On success it returns and integer which has bits set according to the 55defines in section ??. 56 57 58Return Value 59------------ 60 61On success 0 is returned, on error -1 and the ``errno`` variable is set 62appropriately. The generic error codes are described at the 63:ref:`Generic Error Codes <gen-errors>` chapter. 64