1/*
2 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef VP9_COMMON_VP9_ENUMS_H_
12#define VP9_COMMON_VP9_ENUMS_H_
13
14#include "./vpx_config.h"
15
16#ifdef __cplusplus
17extern "C" {
18#endif
19
20#define MI_SIZE_LOG2 3
21#define MI_BLOCK_SIZE_LOG2 (6 - MI_SIZE_LOG2)  // 64 = 2^6
22
23#define MI_SIZE (1 << MI_SIZE_LOG2)  // pixels per mi-unit
24#define MI_BLOCK_SIZE (1 << MI_BLOCK_SIZE_LOG2)  // mi-units per max block
25
26#define MI_MASK (MI_BLOCK_SIZE - 1)
27
28// Bitstream profiles indicated by 2-3 bits in the uncompressed header.
29// 00: Profile 0.  8-bit 4:2:0 only.
30// 10: Profile 1.  8-bit 4:4:4, 4:2:2, and 4:4:0.
31// 01: Profile 2.  10-bit and 12-bit color only, with 4:2:0 sampling.
32// 110: Profile 3. 10-bit and 12-bit color only, with 4:2:2/4:4:4/4:4:0
33//                 sampling.
34// 111: Undefined profile.
35typedef enum BITSTREAM_PROFILE {
36  PROFILE_0,
37  PROFILE_1,
38  PROFILE_2,
39  PROFILE_3,
40  MAX_PROFILES
41} BITSTREAM_PROFILE;
42
43typedef enum BLOCK_SIZE {
44  BLOCK_4X4,
45  BLOCK_4X8,
46  BLOCK_8X4,
47  BLOCK_8X8,
48  BLOCK_8X16,
49  BLOCK_16X8,
50  BLOCK_16X16,
51  BLOCK_16X32,
52  BLOCK_32X16,
53  BLOCK_32X32,
54  BLOCK_32X64,
55  BLOCK_64X32,
56  BLOCK_64X64,
57  BLOCK_SIZES,
58  BLOCK_INVALID = BLOCK_SIZES
59} BLOCK_SIZE;
60
61typedef enum PARTITION_TYPE {
62  PARTITION_NONE,
63  PARTITION_HORZ,
64  PARTITION_VERT,
65  PARTITION_SPLIT,
66  PARTITION_TYPES,
67  PARTITION_INVALID = PARTITION_TYPES
68} PARTITION_TYPE;
69
70#define PARTITION_PLOFFSET   4  // number of probability models per block size
71#define PARTITION_CONTEXTS (4 * PARTITION_PLOFFSET)
72
73// block transform size
74typedef enum {
75  TX_4X4 = 0,                      // 4x4 transform
76  TX_8X8 = 1,                      // 8x8 transform
77  TX_16X16 = 2,                    // 16x16 transform
78  TX_32X32 = 3,                    // 32x32 transform
79  TX_SIZES
80} TX_SIZE;
81
82// frame transform mode
83typedef enum {
84  ONLY_4X4            = 0,        // only 4x4 transform used
85  ALLOW_8X8           = 1,        // allow block transform size up to 8x8
86  ALLOW_16X16         = 2,        // allow block transform size up to 16x16
87  ALLOW_32X32         = 3,        // allow block transform size up to 32x32
88  TX_MODE_SELECT      = 4,        // transform specified for each block
89  TX_MODES            = 5,
90} TX_MODE;
91
92typedef enum {
93  DCT_DCT   = 0,                      // DCT  in both horizontal and vertical
94  ADST_DCT  = 1,                      // ADST in vertical, DCT in horizontal
95  DCT_ADST  = 2,                      // DCT  in vertical, ADST in horizontal
96  ADST_ADST = 3,                      // ADST in both directions
97  TX_TYPES = 4
98} TX_TYPE;
99
100typedef enum {
101  UNKNOWN    = 0,
102  BT_601     = 1,  // YUV
103  BT_709     = 2,  // YUV
104  SMPTE_170  = 3,  // YUV
105  SMPTE_240  = 4,  // YUV
106  RESERVED_1 = 5,
107  RESERVED_2 = 6,
108  SRGB       = 7   // RGB
109} COLOR_SPACE;
110
111typedef enum {
112  VP9_LAST_FLAG = 1 << 0,
113  VP9_GOLD_FLAG = 1 << 1,
114  VP9_ALT_FLAG = 1 << 2,
115} VP9_REFFRAME;
116
117#ifdef __cplusplus
118}  // extern "C"
119#endif
120
121#endif  // VP9_COMMON_VP9_ENUMS_H_
122