1xcb_xv_query_port_attributes(3)  XCB Requests  xcb_xv_query_port_attributes(3)
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NAME

6       xcb_xv_query_port_attributes -
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SYNOPSIS

9       #include <xcb/xv.h>
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11   Request function
12       xcb_xv_query_port_attributes_cookie_t
13              xcb_xv_query_port_attributes(xcb_connection_t *conn,
14              xcb_xv_port_t port);
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16   Reply datastructure
17       typedef struct xcb_xv_query_port_attributes_reply_t {
18           uint8_t  response_type;
19           uint8_t  pad0;
20           uint16_t sequence;
21           uint32_t length;
22           uint32_t num_attributes;
23           uint32_t text_size;
24           uint8_t  pad1[16];
25       } xcb_xv_query_port_attributes_reply_t;
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27   Reply function
28       xcb_xv_query_port_attributes_reply_t
29              *xcb_xv_query_port_attributes_reply(xcb_connection_t *conn,
30              xcb_xv_query_port_attributes_cookie_t cookie,
31              xcb_generic_error_t **e);
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33   Reply accessors
34       int xcb_xv_query_port_attributes_attributes_length(const
35              xcb_xv_query_port_attributes_reply_t *reply);
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37       xcb_xv_attribute_info_iterator_t
38              xcb_xv_query_port_attributes_attributes_iterator(const
39              xcb_xv_query_port_attributes_reply_t *reply);
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REQUEST ARGUMENTS

42       conn      The XCB connection to X11.
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44       port      TODO: NOT YET DOCUMENTED.
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REPLY FIELDS

47       response_type
48                 The type of this reply, in this case XCB_XV_QUERY_PORT_AT‐
49                 TRIBUTES. This field is also present in the xcb_generic_re‐
50                 ply_t and can be used to tell replies apart from each other.
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52       sequence  The sequence number of the last request processed by the X11
53                 server.
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55       length    The length of the reply, in words (a word is 4 bytes).
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57       num_attributes
58                 TODO: NOT YET DOCUMENTED.
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60       text_size TODO: NOT YET DOCUMENTED.
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DESCRIPTION

RETURN VALUE

64       Returns an xcb_xv_query_port_attributes_cookie_t. Errors have to be
65       handled when calling the reply function xcb_xv_query_port_at‐
66       tributes_reply.
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68       If you want to handle errors in the event loop instead, use
69       xcb_xv_query_port_attributes_unchecked. See xcb-requests(3) for de‐
70       tails.
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ERRORS

73       This request does never generate any errors.
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SEE ALSO

AUTHOR

77       Generated from xv.xml. Contact xcb@lists.freedesktop.org for correc‐
78       tions and improvements.
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82X Version 11                      libxcb 1.12  xcb_xv_query_port_attributes(3)