128 строки
3.3 KiB
C
128 строки
3.3 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_ENUMS_H_
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#define VP9_COMMON_VP9_ENUMS_H_
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#include "./vpx_config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MI_SIZE_LOG2 3
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#define MI_BLOCK_SIZE_LOG2 (6 - MI_SIZE_LOG2) // 64 = 2^6
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#define MI_SIZE (1 << MI_SIZE_LOG2) // pixels per mi-unit
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#define MI_BLOCK_SIZE (1 << MI_BLOCK_SIZE_LOG2) // mi-units per max block
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#define MI_MASK (MI_BLOCK_SIZE - 1)
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// Bitstream profiles indicated by 2-3 bits in the uncompressed header.
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// 00: Profile 0. 8-bit 4:2:0 only.
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// 10: Profile 1. 8-bit 4:4:4, 4:2:2, and 4:4:0.
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// 01: Profile 2. 10-bit and 12-bit color only, with 4:2:0 sampling.
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// 110: Profile 3. 10-bit and 12-bit color only, with 4:2:2/4:4:4/4:4:0
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// sampling.
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// 111: Undefined profile.
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typedef enum BITSTREAM_PROFILE {
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PROFILE_0,
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PROFILE_1,
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PROFILE_2,
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PROFILE_3,
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MAX_PROFILES
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} BITSTREAM_PROFILE;
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typedef enum BIT_DEPTH {
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BITS_8,
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BITS_10,
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BITS_12
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} BIT_DEPTH;
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typedef enum BLOCK_SIZE {
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BLOCK_4X4,
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BLOCK_4X8,
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BLOCK_8X4,
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BLOCK_8X8,
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BLOCK_8X16,
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BLOCK_16X8,
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BLOCK_16X16,
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BLOCK_16X32,
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BLOCK_32X16,
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BLOCK_32X32,
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BLOCK_32X64,
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BLOCK_64X32,
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BLOCK_64X64,
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BLOCK_SIZES,
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BLOCK_INVALID = BLOCK_SIZES
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} BLOCK_SIZE;
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typedef enum PARTITION_TYPE {
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PARTITION_NONE,
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PARTITION_HORZ,
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PARTITION_VERT,
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PARTITION_SPLIT,
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PARTITION_TYPES,
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PARTITION_INVALID = PARTITION_TYPES
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} PARTITION_TYPE;
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#define PARTITION_PLOFFSET 4 // number of probability models per block size
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#define PARTITION_CONTEXTS (4 * PARTITION_PLOFFSET)
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// block transform size
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typedef enum {
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TX_4X4 = 0, // 4x4 transform
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TX_8X8 = 1, // 8x8 transform
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TX_16X16 = 2, // 16x16 transform
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TX_32X32 = 3, // 32x32 transform
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TX_SIZES
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} TX_SIZE;
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// frame transform mode
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typedef enum {
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ONLY_4X4 = 0, // only 4x4 transform used
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ALLOW_8X8 = 1, // allow block transform size up to 8x8
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ALLOW_16X16 = 2, // allow block transform size up to 16x16
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ALLOW_32X32 = 3, // allow block transform size up to 32x32
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TX_MODE_SELECT = 4, // transform specified for each block
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TX_MODES = 5,
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} TX_MODE;
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typedef enum {
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DCT_DCT = 0, // DCT in both horizontal and vertical
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ADST_DCT = 1, // ADST in vertical, DCT in horizontal
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DCT_ADST = 2, // DCT in vertical, ADST in horizontal
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ADST_ADST = 3, // ADST in both directions
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TX_TYPES = 4
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} TX_TYPE;
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typedef enum {
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UNKNOWN = 0,
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BT_601 = 1, // YUV
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BT_709 = 2, // YUV
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SMPTE_170 = 3, // YUV
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SMPTE_240 = 4, // YUV
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RESERVED_1 = 5,
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RESERVED_2 = 6,
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SRGB = 7 // RGB
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} COLOR_SPACE;
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typedef enum {
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VP9_LAST_FLAG = 1 << 0,
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VP9_GOLD_FLAG = 1 << 1,
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VP9_ALT_FLAG = 1 << 2,
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} VP9_REFFRAME;
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_ENUMS_H_
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