xcb_xv_query_extension man page

xcb_xv_query_extension —

Synopsis

#include <xcb/xv.h>

Request function

xcb_xv_query_extension_cookie_t xcb_xv_query_extension(xcb_connection_t *conn,

Reply datastructure

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;

Reply function

xcb_xv_query_extension_reply_t *xcb_xv_query_extension_reply(xcb_connection_t *conn, xcb_xv_query_extension_cookie_t cookie, xcb_generic_error_t **e);

Request Arguments

conn
The XCB connection to X11.

Reply Fields

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.

Return Value

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.

Errors

This request does never generate any errors.

Author

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

Referenced By

xcb_xv_query_extension_reply(3) and xcb_xv_query_extension_unchecked(3) are aliases of xcb_xv_query_extension(3).

libxcb 1.12 X Version 11 XCB Requests