table of contents
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¶
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.
SEE ALSO¶
AUTHOR¶
Generated from xv.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
libxcb 1.17.0 | X Version 11 |