ref: 3ae25974fd4abfed344216a28d5af92fb62e3cc6
dir: /vp9/common/vp9_enums.h/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VP9_COMMON_VP9_ENUMS_H_ #define VP9_COMMON_VP9_ENUMS_H_ #include "./vpx_config.h" #include "vpx/vpx_integer.h" #ifdef __cplusplus extern "C" { #endif #define MI_SIZE_LOG2 3 #define MI_BLOCK_SIZE_LOG2 (6 - MI_SIZE_LOG2) // 64 = 2^6 #define MI_SIZE (1 << MI_SIZE_LOG2) // pixels per mi-unit #define MI_BLOCK_SIZE (1 << MI_BLOCK_SIZE_LOG2) // mi-units per max block #define MI_MASK (MI_BLOCK_SIZE - 1) // Bitstream profiles indicated by 2-3 bits in the uncompressed header. // 00: Profile 0. 8-bit 4:2:0 only. // 10: Profile 1. 8-bit 4:4:4, 4:2:2, and 4:4:0. // 01: Profile 2. 10-bit and 12-bit color only, with 4:2:0 sampling. // 110: Profile 3. 10-bit and 12-bit color only, with 4:2:2/4:4:4/4:4:0 // sampling. // 111: Undefined profile. typedef enum BITSTREAM_PROFILE { PROFILE_0, PROFILE_1, PROFILE_2, PROFILE_3, MAX_PROFILES } BITSTREAM_PROFILE; #define BLOCK_4X4 0 #define BLOCK_4X8 1 #define BLOCK_8X4 2 #define BLOCK_8X8 3 #define BLOCK_8X16 4 #define BLOCK_16X8 5 #define BLOCK_16X16 6 #define BLOCK_16X32 7 #define BLOCK_32X16 8 #define BLOCK_32X32 9 #define BLOCK_32X64 10 #define BLOCK_64X32 11 #define BLOCK_64X64 12 #define BLOCK_SIZES 13 #define BLOCK_INVALID BLOCK_SIZES typedef uint8_t BLOCK_SIZE; typedef enum PARTITION_TYPE { PARTITION_NONE, PARTITION_HORZ, PARTITION_VERT, PARTITION_SPLIT, PARTITION_TYPES, PARTITION_INVALID = PARTITION_TYPES } PARTITION_TYPE; typedef char PARTITION_CONTEXT; #define PARTITION_PLOFFSET 4 // number of probability models per block size #define PARTITION_CONTEXTS (4 * PARTITION_PLOFFSET) // block transform size typedef uint8_t TX_SIZE; #define TX_4X4 ((TX_SIZE)0) // 4x4 transform #define TX_8X8 ((TX_SIZE)1) // 8x8 transform #define TX_16X16 ((TX_SIZE)2) // 16x16 transform #define TX_32X32 ((TX_SIZE)3) // 32x32 transform #define TX_SIZES ((TX_SIZE)4) // frame transform mode typedef enum { ONLY_4X4 = 0, // only 4x4 transform used ALLOW_8X8 = 1, // allow block transform size up to 8x8 ALLOW_16X16 = 2, // allow block transform size up to 16x16 ALLOW_32X32 = 3, // allow block transform size up to 32x32 TX_MODE_SELECT = 4, // transform specified for each block TX_MODES = 5, } TX_MODE; typedef enum { DCT_DCT = 0, // DCT in both horizontal and vertical ADST_DCT = 1, // ADST in vertical, DCT in horizontal DCT_ADST = 2, // DCT in vertical, ADST in horizontal ADST_ADST = 3, // ADST in both directions TX_TYPES = 4 } TX_TYPE; typedef enum { VP9_LAST_FLAG = 1 << 0, VP9_GOLD_FLAG = 1 << 1, VP9_ALT_FLAG = 1 << 2, } VP9_REFFRAME; typedef enum { PLANE_TYPE_Y = 0, PLANE_TYPE_UV = 1, PLANE_TYPES } PLANE_TYPE; #define DC_PRED 0 // Average of above and left pixels #define V_PRED 1 // Vertical #define H_PRED 2 // Horizontal #define D45_PRED 3 // Directional 45 deg = round(arctan(1/1) * 180/pi) #define D135_PRED 4 // Directional 135 deg = 180 - 45 #define D117_PRED 5 // Directional 117 deg = 180 - 63 #define D153_PRED 6 // Directional 153 deg = 180 - 27 #define D207_PRED 7 // Directional 207 deg = 180 + 27 #define D63_PRED 8 // Directional 63 deg = round(arctan(2/1) * 180/pi) #define TM_PRED 9 // True-motion #define NEARESTMV 10 #define NEARMV 11 #define ZEROMV 12 #define NEWMV 13 #define MB_MODE_COUNT 14 typedef uint8_t PREDICTION_MODE; #define INTRA_MODES (TM_PRED + 1) #define INTER_MODES (1 + NEWMV - NEARESTMV) #define SKIP_CONTEXTS 3 #define INTER_MODE_CONTEXTS 7 /* Segment Feature Masks */ #define MAX_MV_REF_CANDIDATES 2 #define INTRA_INTER_CONTEXTS 4 #define COMP_INTER_CONTEXTS 5 #define REF_CONTEXTS 5 #ifdef __cplusplus } // extern "C" #endif #endif // VP9_COMMON_VP9_ENUMS_H_