xcb_xv_query_encodings - Man Page
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.
Description
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.
See Also
Author
Generated from xv.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
Referenced By
The man pages 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).