xcb_xv_query_image_attributes man page

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_ATTRIBUTES. 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_planes
TODO: NOT YET DOCUMENTED.
data_size
TODO: NOT YET DOCUMENTED.
width
TODO: NOT YET DOCUMENTED.
height
TODO: NOT YET DOCUMENTED.

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_attributes_reply.

If you want to handle errors in the event loop instead, use xcb_xv_query_image_attributes_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_image_attributes_offsets(3), xcb_xv_query_image_attributes_offsets_end(3), xcb_xv_query_image_attributes_offsets_length(3), xcb_xv_query_image_attributes_pitches(3), xcb_xv_query_image_attributes_pitches_end(3), xcb_xv_query_image_attributes_pitches_length(3), xcb_xv_query_image_attributes_reply(3) and xcb_xv_query_image_attributes_unchecked(3) are aliases of xcb_xv_query_image_attributes(3).

libxcb 1.12 X Version 11 XCB Requests