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 correc-
tions and improvements.
X Version 11 libxcb 1.14 xcb_xv_query_extension(3)
xorg-libxcb 1.14 - Generated Fri Mar 27 16:26:20 CDT 2020