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picture.h
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1 /*
2  * Copyright © 2018, VideoLAN and dav1d authors
3  * Copyright © 2018, Two Orioles, LLC
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef DAV1D_PICTURE_H
29 #define DAV1D_PICTURE_H
30 
31 #include <stddef.h>
32 #include <stdint.h>
33 
34 #include "common.h"
35 #include "headers.h"
36 
37 /* Number of bytes to align AND pad picture memory buffers by, so that SIMD
38  * implementations can over-read by a few bytes, and use aligned read/write
39  * instructions. */
40 #define DAV1D_PICTURE_ALIGNMENT 64
41 
42 typedef struct Dav1dPictureParameters {
43  int w;
44  int h;
46  int bpc;
48 
49 typedef struct Dav1dPicture {
52 
60  void *data[3];
61 
65  ptrdiff_t stride[2];
66 
69 
84 
85  uintptr_t reserved[4];
86 
89  uintptr_t reserved_ref[4];
90  struct Dav1dRef *ref;
91 
93 } Dav1dPicture;
94 
95 typedef struct Dav1dPicAllocator {
96  void *cookie;
97 
135 
140 
141 #endif /* DAV1D_PICTURE_H */