xcb_xv_query_extension(3) XCB Requests xcb_xv_query_extension(3)

xcb_xv_query_extension -

#include <xcb/xv.h>

xcb_xv_query_extension_cookie_t xcb_xv_query_extension(xcb_connection_t *conn,

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;

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);

The XCB connection to X11.

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.
The sequence number of the last request processed by the X11 server.
The length of the reply, in words (a word is 4 bytes).
TODO: NOT YET DOCUMENTED.
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.

libxcb 1.17.0 X Version 11