xcb_xv_query_extension - Man Page

#include <xcb/xv.h>

typedef struct xcb_xv_query_extension_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint16_t major;
    uint16_t minor;
} xcb_xv_query_extension_reply_t;

conn

The XCB connection to X11.

response_type

The type of this reply, in this case XCB_XV_QUERY_EXTENSION. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other.

sequence

The sequence number of the last request processed by the X11 server.

length

The length of the reply, in words (a word is 4 bytes).

major

TODO: NOT YET DOCUMENTED.

minor

TODO: NOT YET DOCUMENTED.

Returns an xcb_xv_query_extension_cookie_t. Errors have to be handled when calling the reply function xcb_xv_query_extension_reply.

If you want to handle errors in the event loop instead, use xcb_xv_query_extension_unchecked. See xcb-requests(3) for details.

This request does never generate any errors.

Generated from xv.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.

The man pages xcb_xv_query_extension_reply(3) and xcb_xv_query_extension_unchecked(3) are aliases of xcb_xv_query_extension(3).