mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
148 lines
4.3 KiB
C++
148 lines
4.3 KiB
C++
/*
|
|
* 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_
|