xcb_xv_query_extension -

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

X Version 11                                      libxcb 1.17.0                        xcb_xv_query_extension(3)

       This request does never generate any errors.

       xcb_xv_query_extension -

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.

conn      The XCB connection to X11.

       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-re‐quests(3) for details.

#include<xcb/xv.h>Requestfunction

       xcb_xv_query_extension_cookie_t xcb_xv_query_extension(xcb_connection_t *conn,

   Replydatastructure
       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;

   Replyfunction

       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);