xcb_xv_query_encodings man page

xcb_xv_query_encodings —

Synopsis

#include <xcb/xv.h>

Request function

xcb_xv_query_encodings_cookie_t xcb_xv_query_encodings(xcb_connection_t *conn, xcb_xv_port_t port);

Reply datastructure

typedef struct xcb_xv_query_encodings_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint16_t num_encodings;
    uint8_t  pad1[22];
} xcb_xv_query_encodings_reply_t;

Reply function

xcb_xv_query_encodings_reply_t *xcb_xv_query_encodings_reply(xcb_connection_t *conn, xcb_xv_query_encodings_cookie_t cookie, xcb_generic_error_t **e);

Reply accessors

int xcb_xv_query_encodings_info_length(const xcb_xv_query_encodings_reply_t *reply);

xcb_xv_encoding_info_iterator_t xcb_xv_query_encodings_info_iterator(const xcb_xv_query_encodings_reply_t *reply);

Request Arguments

conn
The XCB connection to X11.
port
TODO: NOT YET DOCUMENTED.

Reply Fields

response_type
The type of this reply, in this case XCB_XV_QUERY_ENCODINGS. 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).
num_encodings
TODO: NOT YET DOCUMENTED.

Return Value

Returns an xcb_xv_query_encodings_cookie_t. Errors have to be handled when calling the reply function xcb_xv_query_encodings_reply.

If you want to handle errors in the event loop instead, use xcb_xv_query_encodings_unchecked. See xcb-requests(3) for details.

Errors

This request does never generate any errors.

Author

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

Referenced By

xcb_xv_query_encodings_info_iterator(3), xcb_xv_query_encodings_info_length(3), xcb_xv_query_encodings_reply(3) and xcb_xv_query_encodings_unchecked(3) are aliases of xcb_xv_query_encodings(3).

libxcb 1.12 X Version 11 XCB Requests