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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <vector>
#include "audio_core/common/common.h"
#include "audio_core/renderer/effect/effect_info_base.h"
#include "common/common_types.h"
#include "common/fixed_point.h"
namespace AudioCore::AudioRenderer {
class DelayInfo : public EffectInfoBase {
public:
struct ParameterVersion1 {
/* 0x00 */ std::array<s8, MaxChannels> inputs;
/* 0x06 */ std::array<s8, MaxChannels> outputs;
/* 0x0C */ u16 channel_count_max;
/* 0x0E */ u16 channel_count;
/* 0x10 */ u32 delay_time_max;
/* 0x14 */ u32 delay_time;
/* 0x18 */ Common::FixedPoint<18, 14> sample_rate;
/* 0x1C */ Common::FixedPoint<18, 14> in_gain;
/* 0x20 */ Common::FixedPoint<18, 14> feedback_gain;
/* 0x24 */ Common::FixedPoint<18, 14> wet_gain;
/* 0x28 */ Common::FixedPoint<18, 14> dry_gain;
/* 0x2C */ Common::FixedPoint<18, 14> channel_spread;
/* 0x30 */ Common::FixedPoint<18, 14> lowpass_amount;
/* 0x34 */ ParameterState state;
};
static_assert(sizeof(ParameterVersion1) <= sizeof(EffectInfoBase::InParameterVersion1),
"DelayInfo::ParameterVersion1 has the wrong size!");
struct ParameterVersion2 {
/* 0x00 */ std::array<s8, MaxChannels> inputs;
/* 0x06 */ std::array<s8, MaxChannels> outputs;
/* 0x0C */ s16 channel_count_max;
/* 0x0E */ s16 channel_count;
/* 0x10 */ s32 delay_time_max;
/* 0x14 */ s32 delay_time;
/* 0x18 */ s32 sample_rate;
/* 0x1C */ s32 in_gain;
/* 0x20 */ s32 feedback_gain;
/* 0x24 */ s32 wet_gain;
/* 0x28 */ s32 dry_gain;
/* 0x2C */ s32 channel_spread;
/* 0x30 */ s32 lowpass_amount;
/* 0x34 */ ParameterState state;
};
static_assert(sizeof(ParameterVersion2) <= sizeof(EffectInfoBase::InParameterVersion2),
"DelayInfo::ParameterVersion2 has the wrong size!");
struct DelayLine {
Common::FixedPoint<50, 14> Read() const {
return buffer[buffer_pos];
}
void Write(const Common::FixedPoint<50, 14> value) {
buffer[buffer_pos] = value;
buffer_pos = static_cast<u32>((buffer_pos + 1) % buffer.size());
}
s32 sample_count_max{};
s32 sample_count{};
std::vector<Common::FixedPoint<50, 14>> buffer{};
u32 buffer_pos{};
Common::FixedPoint<18, 14> decay_rate{};
};
struct State {
/* 0x000 */ std::array<s32, 8> unk_000;
/* 0x020 */ std::array<DelayLine, MaxChannels> delay_lines;
/* 0x0B0 */ Common::FixedPoint<18, 14> feedback_gain;
/* 0x0B4 */ Common::FixedPoint<18, 14> delay_feedback_gain;
/* 0x0B8 */ Common::FixedPoint<18, 14> delay_feedback_cross_gain;
/* 0x0BC */ Common::FixedPoint<18, 14> lowpass_gain;
/* 0x0C0 */ Common::FixedPoint<18, 14> lowpass_feedback_gain;
/* 0x0C4 */ std::array<Common::FixedPoint<50, 14>, MaxChannels> lowpass_z;
};
static_assert(sizeof(State) <= sizeof(EffectInfoBase::State),
"DelayInfo::State has the wrong size!");
/**
* Update the info with new parameters, version 1.
*
* @param error_info - Used to write call result code.
* @param in_params - New parameters to update the info with.
* @param pool_mapper - Pool for mapping buffers.
*/
void Update(BehaviorInfo::ErrorInfo& error_info, const InParameterVersion1& in_params,
const PoolMapper& pool_mapper) override;
/**
* Update the info with new parameters, version 2.
*
* @param error_info - Used to write call result code.
* @param in_params - New parameters to update the info with.
* @param pool_mapper - Pool for mapping buffers.
*/
void Update(BehaviorInfo::ErrorInfo& error_info, const InParameterVersion2& in_params,
const PoolMapper& pool_mapper) override;
/**
* Update the info after command generation. Usually only changes its state.
*/
void UpdateForCommandGeneration() override;
/**
* Initialize a new result state. Version 2 only, unused.
*
* @param result_state - Result state to initialize.
*/
void InitializeResultState(EffectResultState& result_state) override;
/**
* Update the host-side state with the ADSP-side state. Version 2 only, unused.
*
* @param cpu_state - Host-side result state to update.
* @param dsp_state - AudioRenderer-side result state to update from.
*/
void UpdateResultState(EffectResultState& cpu_state, EffectResultState& dsp_state) override;
/**
* Get a workbuffer assigned to this effect with the given index.
*
* @param index - Workbuffer index.
* @return Address of the buffer.
*/
CpuAddr GetWorkbuffer(s32 index) override;
};
} // namespace AudioCore::AudioRenderer
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