table of contents
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.
libxcb 1.15 | X Version 11 |