1xcb_xv_query_extension(3)        XCB Requests        xcb_xv_query_extension(3)
2
3
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NAME

6       xcb_xv_query_extension -
7

SYNOPSIS

9       #include <xcb/xv.h>
10
11   Request function
12       xcb_xv_query_extension_cookie_t
13              xcb_xv_query_extension(xcb_connection_t *conn,
14
15   Reply datastructure
16       typedef struct xcb_xv_query_extension_reply_t {
17           uint8_t  response_type;
18           uint8_t  pad0;
19           uint16_t sequence;
20           uint32_t length;
21           uint16_t major;
22           uint16_t minor;
23       } xcb_xv_query_extension_reply_t;
24
25   Reply function
26       xcb_xv_query_extension_reply_t
27              *xcb_xv_query_extension_reply(xcb_connection_t *conn,
28              xcb_xv_query_extension_cookie_t cookie,
29              xcb_generic_error_t **e);
30

REQUEST ARGUMENTS

32       conn      The XCB connection to X11.
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REPLY FIELDS

35       response_type
36                 The type of this reply, in this case XCB_XV_QUERY_EXTENSION.
37                 This field is also present in the xcb_generic_reply_t and can
38                 be used to tell replies apart from each other.
39
40       sequence  The sequence number of the last request processed by the X11
41                 server.
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43       length    The length of the reply, in words (a word is 4 bytes).
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45       major     TODO: NOT YET DOCUMENTED.
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47       minor     TODO: NOT YET DOCUMENTED.
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DESCRIPTION

RETURN VALUE
51       Returns an xcb_xv_query_extension_cookie_t. Errors have to be handled
52       when calling the reply function xcb_xv_query_extension_reply.
53
54       If you want to handle errors in the event loop instead, use
55       xcb_xv_query_extension_unchecked. See xcb-requests(3) for details.
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ERRORS
58       This request does never generate any errors.
59

SEE ALSO
AUTHOR
62       Generated from xv.xml. Contact xcb@lists.freedesktop.org for correc‐
63       tions and improvements.
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67X Version 11                     libxcb 1.13.1       xcb_xv_query_extension(3)



        

    


            
        

        

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