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 17 extern "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. 35 typedef enum BITSTREAM_PROFILE { 36 PROFILE_0, 37 PROFILE_1, 38 PROFILE_2, 39 PROFILE_3, 40 MAX_PROFILES 41 } BITSTREAM_PROFILE; 42 43 typedef enum BIT_DEPTH { 44 BITS_8, 45 BITS_10, 46 BITS_12 47 } BIT_DEPTH; 48 49 typedef enum BLOCK_SIZE { 50 BLOCK_4X4, 51 BLOCK_4X8, 52 BLOCK_8X4, 53 BLOCK_8X8, 54 BLOCK_8X16, 55 BLOCK_16X8, 56 BLOCK_16X16, 57 BLOCK_16X32, 58 BLOCK_32X16, 59 BLOCK_32X32, 60 BLOCK_32X64, 61 BLOCK_64X32, 62 BLOCK_64X64, 63 BLOCK_SIZES, 64 BLOCK_INVALID = BLOCK_SIZES 65 } BLOCK_SIZE; 66 67 typedef enum PARTITION_TYPE { 68 PARTITION_NONE, 69 PARTITION_HORZ, 70 PARTITION_VERT, 71 PARTITION_SPLIT, 72 PARTITION_TYPES, 73 PARTITION_INVALID = PARTITION_TYPES 74 } PARTITION_TYPE; 75 76 #define PARTITION_PLOFFSET 4 // number of probability models per block size 77 #define PARTITION_CONTEXTS (4 * PARTITION_PLOFFSET) 78 79 // block transform size 80 typedef enum { 81 TX_4X4 = 0, // 4x4 transform 82 TX_8X8 = 1, // 8x8 transform 83 TX_16X16 = 2, // 16x16 transform 84 TX_32X32 = 3, // 32x32 transform 85 TX_SIZES 86 } TX_SIZE; 87 88 // frame transform mode 89 typedef enum { 90 ONLY_4X4 = 0, // only 4x4 transform used 91 ALLOW_8X8 = 1, // allow block transform size up to 8x8 92 ALLOW_16X16 = 2, // allow block transform size up to 16x16 93 ALLOW_32X32 = 3, // allow block transform size up to 32x32 94 TX_MODE_SELECT = 4, // transform specified for each block 95 TX_MODES = 5, 96 } TX_MODE; 97 98 typedef enum { 99 DCT_DCT = 0, // DCT in both horizontal and vertical 100 ADST_DCT = 1, // ADST in vertical, DCT in horizontal 101 DCT_ADST = 2, // DCT in vertical, ADST in horizontal 102 ADST_ADST = 3, // ADST in both directions 103 TX_TYPES = 4 104 } TX_TYPE; 105 106 typedef enum { 107 UNKNOWN = 0, 108 BT_601 = 1, // YUV 109 BT_709 = 2, // YUV 110 SMPTE_170 = 3, // YUV 111 SMPTE_240 = 4, // YUV 112 RESERVED_1 = 5, 113 RESERVED_2 = 6, 114 SRGB = 7 // RGB 115 } COLOR_SPACE; 116 117 typedef enum { 118 VP9_LAST_FLAG = 1 << 0, 119 VP9_GOLD_FLAG = 1 << 1, 120 VP9_ALT_FLAG = 1 << 2, 121 } VP9_REFFRAME; 122 123 #ifdef __cplusplus 124 } // extern "C" 125 #endif 126 127 #endif // VP9_COMMON_VP9_ENUMS_H_ 128