DragonFly On-Line Manual Pages

Search: Section:  

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 1.15        xcb_xv_query_extension(3)

Search: Section: