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serenity/Userland/Libraries/LibVideo/VP9/ProbabilityTables.h
FalseHonesty 8dd9d1bbdb LibVideo/VP9: Add probability table constants
This patch adds VP9's probability tables and the functions needed
to load/clear them.
2021-06-12 22:48:28 +04:30

104 lines
4.5 KiB
C++

/*
* Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Symbols.h"
#include <AK/Types.h>
#include <AK/Vector.h>
namespace Video::VP9 {
typedef u8 ParetoTable[128][8];
typedef u8 KfPartitionProbs[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
typedef u8 KfYModeProbs[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1];
typedef u8 KfUVModeProbs[INTRA_MODES][INTRA_MODES - 1];
typedef u8 PartitionProbs[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
typedef u8 YModeProbs[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
typedef u8 UVModeProbs[INTRA_MODES][INTRA_MODES - 1];
typedef u8 SkipProb[SKIP_CONTEXTS];
typedef u8 IsInterProb[IS_INTER_CONTEXTS];
typedef u8 CompModeProb[COMP_MODE_CONTEXTS];
typedef u8 CompRefProb[REF_CONTEXTS];
typedef u8 SingleRefProb[REF_CONTEXTS][2];
typedef u8 MvSignProb[2];
typedef u8 MvBitsProb[2][MV_OFFSET_BITS];
typedef u8 MvClass0BitProb[2];
typedef u8 TxProbs[TX_SIZES][TX_SIZE_CONTEXTS][TX_SIZES - 1];
typedef u8 InterModeProbs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
typedef u8 InterpFilterProbs[INTERP_FILTER_CONTEXTS][SWITCHABLE_FILTERS - 1];
typedef u8 MvJointProbs[3];
typedef u8 MvClassProbs[2][MV_CLASSES - 1];
typedef u8 MvClass0FrProbs[2][CLASS0_SIZE][3];
typedef u8 MvClass0HpProbs[2];
typedef u8 MvFrProbs[2][3];
typedef u8 MvHpProb[2];
typedef u8 CoefProbs[TX_SIZES][BLOCK_TYPES][REF_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS][UNCONSTRAINED_NODES];
class ProbabilityTables final {
public:
void save_probs(size_t index);
void reset_probs();
void load_probs(size_t index);
void load_probs2(size_t index);
const ParetoTable& pareto_table() const;
const KfPartitionProbs& kf_partition_probs() const;
const KfYModeProbs& kf_y_mode_probs() const;
const KfUVModeProbs& kf_uv_mode_prob() const;
PartitionProbs& partition_probs() { return m_current_probability_table.partition_probs; };
YModeProbs& y_mode_probs() { return m_current_probability_table.y_mode_probs; };
UVModeProbs& uv_mode_probs() { return m_current_probability_table.uv_mode_probs; };
SkipProb& skip_prob() { return m_current_probability_table.skip_prob; };
IsInterProb& is_inter_prob() { return m_current_probability_table.is_inter_prob; };
CompModeProb& comp_mode_prob() { return m_current_probability_table.comp_mode_prob; };
CompRefProb& comp_ref_prob() { return m_current_probability_table.comp_ref_prob; };
SingleRefProb& single_ref_prob() { return m_current_probability_table.single_ref_prob; };
MvSignProb& mv_sign_prob() { return m_current_probability_table.mv_sign_prob; };
MvBitsProb& mv_bits_prob() { return m_current_probability_table.mv_bits_prob; };
MvClass0BitProb& mv_class0_bit_prob() { return m_current_probability_table.mv_class0_bit_prob; };
TxProbs& tx_probs() { return m_current_probability_table.tx_probs; };
InterModeProbs& inter_mode_probs() { return m_current_probability_table.inter_mode_probs; };
InterpFilterProbs& interp_filter_probs() { return m_current_probability_table.interp_filter_probs; };
MvJointProbs& mv_joint_probs() { return m_current_probability_table.mv_joint_probs; };
MvClassProbs& mv_class_probs() { return m_current_probability_table.mv_class_probs; };
MvClass0FrProbs& mv_class0_fr_probs() { return m_current_probability_table.mv_class0_fr_probs; };
MvClass0HpProbs& mv_class0_hp_prob() { return m_current_probability_table.mv_class0_hp_prob; };
MvFrProbs& mv_fr_probs() { return m_current_probability_table.mv_fr_probs; };
MvHpProb& mv_hp_prob() { return m_current_probability_table.mv_hp_prob; };
CoefProbs& coef_probs() { return m_current_probability_table.coef_probs; };
private:
struct ProbabilityTable {
PartitionProbs partition_probs;
YModeProbs y_mode_probs;
UVModeProbs uv_mode_probs;
SkipProb skip_prob;
IsInterProb is_inter_prob;
CompModeProb comp_mode_prob;
CompRefProb comp_ref_prob;
SingleRefProb single_ref_prob;
MvSignProb mv_sign_prob;
MvBitsProb mv_bits_prob;
MvClass0BitProb mv_class0_bit_prob;
TxProbs tx_probs;
InterModeProbs inter_mode_probs;
InterpFilterProbs interp_filter_probs;
MvJointProbs mv_joint_probs;
MvClassProbs mv_class_probs;
MvClass0FrProbs mv_class0_fr_probs;
MvClass0HpProbs mv_class0_hp_prob;
MvFrProbs mv_fr_probs;
MvHpProb mv_hp_prob;
CoefProbs coef_probs;
};
Vector<ProbabilityTable, 4> m_saved_probability_tables;
ProbabilityTable m_current_probability_table;
};
}