xcb_xv_query_extension(3) XCB Requests xcb_xv_query_extension(3)

NAME

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.

DESCRIPTION

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.

SEE ALSO

AUTHOR

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

X Version 11 libxcb 1.16.1 xcb_xv_query_extension(3)