xcb_xv_query_image_attributes_pitches3
Part of xcb_xv_query_image_attributes(3).
Usage
Reply datastructure
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]
;
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.
Overview
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.
Releases
6 releases since Debian 9 (Stretch); the text changed 4 times.