]> xcb_xv_query_image_attributes

xcb_xv_query_image_attributes

NAME
SYNOPSIS
REQUEST ARGUMENTS
REPLY FIELDS
DESCRIPTION
RETURN VALUE
ERRORS
SEE ALSO
AUTHOR

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_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.

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_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.