xcb_xv_query_image_attributes(3) XCB Requests xcb_xv_query_image_attributes(3)
NAME
xcb_xv_query_image_attributes -
SYNOPSIS
#include <xcb/xv.h>
Request function
xcb_xv_query_image_attributes_cookie_t
xcb_xv_query_image_attributes(xcb_connection_t *conn,
xcb_xv_port_t port, uint32_t id, uint16_t width,
uint16_t height);
Reply datastructure
typedef struct xcb_xv_query_image_attributes_reply_t {
uint8_t response_type;
uint8_t pad0;
uint16_t sequence;
uint32_t length;
uint32_t num_planes;
uint32_t data_size;
uint16_t width;
uint16_t height;
uint8_t pad1[12];
} xcb_xv_query_image_attributes_reply_t;
Reply function
xcb_xv_query_image_attributes_reply_t
*xcb_xv_query_image_attributes_reply(xcb_connection_t *conn,
xcb_xv_query_image_attributes_cookie_t cookie,
xcb_generic_error_t **e);
Reply accessors
uint32_t *xcb_xv_query_image_attributes_pitches(const
xcb_xv_query_image_attributes_request_t *reply);
int xcb_xv_query_image_attributes_pitches_length(const
xcb_xv_query_image_attributes_reply_t *reply);
xcb_generic_iterator_t xcb_xv_query_image_attributes_pitches_end(const
xcb_xv_query_image_attributes_reply_t *reply);
uint32_t *xcb_xv_query_image_attributes_offsets(const
xcb_xv_query_image_attributes_request_t *reply);
int xcb_xv_query_image_attributes_offsets_length(const
xcb_xv_query_image_attributes_reply_t *reply);
xcb_generic_iterator_t xcb_xv_query_image_attributes_offsets_end(const
xcb_xv_query_image_attributes_reply_t *reply);
REQUEST ARGUMENTS
conn The XCB connection to X11.
port TODO: NOT YET DOCUMENTED.
id TODO: NOT YET DOCUMENTED.
width TODO: NOT YET DOCUMENTED.
height TODO: NOT YET DOCUMENTED.
REPLY FIELDS
response_type
The type of this reply, in this case XCB_XV_QUERY_IMAGE_AT-
TRIBUTES. This field is also present in the xcb_generic_re-
ply_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_planes
TODO: NOT YET DOCUMENTED.
data_size TODO: NOT YET DOCUMENTED.
width TODO: NOT YET DOCUMENTED.
height TODO: NOT YET DOCUMENTED.
DESCRIPTION
RETURN VALUE
Returns an xcb_xv_query_image_attributes_cookie_t. Errors have to be
handled when calling the reply function xcb_xv_query_image_at-
tributes_reply.
If you want to handle errors in the event loop instead, use
xcb_xv_query_image_attributes_unchecked. See xcb-requests(3) for de-
tails.
ERRORS
This request does never generate any errors.
SEE ALSO
AUTHOR
Generated from xv.xml. Contact xcb@lists.freedesktop.org for correc-
tions and improvements.
X Version 11 libxcb 1.14 xcb_xv_query_image_attributes(3)
xorg-libxcb 1.14 - Generated Fri Mar 20 13:26:50 CDT 2020