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April, 26th. 2006:
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xcb_xv_query_image_attributes
Section: XCB Requests (3) Updated: libxcb 1.12 Index
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NAME
xcb_xv_query_image_attributes -
SYNOPSIS
#include <xcb/xv.h>
Request function
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- 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
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- 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
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- uint32_t *xcb_xv_query_image_attributes_pitches(const xcb_xv_query_image_attributes_request_t *reply);
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- int xcb_xv_query_image_attributes_pitches_length(const xcb_xv_query_image_attributes_reply_t *reply);
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- xcb_generic_iterator_t xcb_xv_query_image_attributes_pitches_end(const xcb_xv_query_image_attributes_reply_t *reply);
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- uint32_t *xcb_xv_query_image_attributes_offsets(const xcb_xv_query_image_attributes_request_t *reply);
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- int xcb_xv_query_image_attributes_offsets_length(const xcb_xv_query_image_attributes_reply_t *reply);
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- 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.
SEE ALSO
AUTHOR
Generated from xv.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
Index
- NAME
-
- SYNOPSIS
-
- Request function
-
- Reply datastructure
-
- Reply function
-
- Reply accessors
-
- REQUEST ARGUMENTS
-
- REPLY FIELDS
-
- DESCRIPTION
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- RETURN VALUE
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- ERRORS
-
- SEE ALSO
-
- AUTHOR
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