mirror of
https://github.com/RGBCube/serenity
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86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
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* Copyright (c) 2022, Gregory Bertilson<zaggy1024@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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namespace Video::VP9 {
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// FIXME: These should be placed in logical groupings based on the
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// context they are used in, and perhaps split into multiple
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// files. While doing so, as many of these as possible should be
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// renamed to be more human-readable, and most if not all should
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// be constexpr variables rather than preprocessor definitions.
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#define REFS_PER_FRAME 3
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#define MV_FR_SIZE 4
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#define MVREF_NEIGHBOURS 8
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#define BLOCK_SIZE_GROUPS 4
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#define BLOCK_SIZES 13
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#define BLOCK_INVALID 14
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#define PARTITION_CONTEXTS 16
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#define MI_SIZE 8
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#define MIN_TILE_WIDTH_B64 4
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#define MAX_TILE_WIDTH_B64 64
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#define MAX_MV_REF_CANDIDATES 2
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#define LOG2_OF_NUM_REF_FRAMES 3
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#define NUM_REF_FRAMES 1 << LOG2_OF_NUM_REF_FRAMES
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#define MAX_REF_FRAMES 4
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#define IS_INTER_CONTEXTS 4
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#define COMP_MODE_CONTEXTS 5
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#define REF_CONTEXTS 5
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#define MAX_SEGMENTS 8
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#define SEG_LVL_ALT_Q 0
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#define SEG_LVL_ALT_L 1
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#define SEG_LVL_REF_FRAME 2
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#define SEG_LVL_SKIP 3
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#define SEG_LVL_MAX 4
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#define BLOCK_TYPES 2
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#define REF_TYPES 2
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#define COEF_BANDS 6
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#define PREV_COEF_CONTEXTS 6
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#define UNCONSTRAINED_NODES 3
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#define TX_SIZE_CONTEXTS 2
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#define SWITCHABLE_FILTERS 3
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#define INTERP_FILTER_CONTEXTS 4
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#define SKIP_CONTEXTS 3
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#define PARTITION_TYPES 4
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#define TX_SIZES 4
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#define TX_MODES 5
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#define MB_MODE_COUNT 14
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#define INTRA_MODES 10
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#define INTER_MODES 4
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#define INTER_MODE_CONTEXTS 7
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#define MV_JOINTS 4
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#define MV_CLASSES 11
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#define CLASS0_SIZE 2
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#define MV_OFFSET_BITS 10
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#define MAX_PROB 255
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#define MAX_MODE_LF_DELTAS 2
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#define COMPANDED_MVREF_THRESH 8
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#define MAX_LOOP_FILTER 63
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#define REF_SCALE_SHIFT 14
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// Number of bits of precision when performing inter prediction.
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#define SUBPEL_BITS 4
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#define SUBPEL_SHIFTS 16
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#define SUBPEL_MASK 15
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#define MV_BORDER 128
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// Value used when clipping motion vectors.
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#define INTERP_EXTEND 4
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// Value used when clipping motion vectors.
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#define BORDERINPIXELS 160
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#define MAX_UPDATE_FACTOR 128
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#define COUNT_SAT 20
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#define BOTH_ZERO 0
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#define ZERO_PLUS_PREDICTED 1
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#define BOTH_PREDICTED 2
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#define NEW_PLUS_NON_INTRA 3
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#define BOTH_NEW 4
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#define INTRA_PLUS_NON_INTRA 5
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#define BOTH_INTRA 6
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#define INVALID_CASE 9
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}
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