1 files changed, 106 insertions, 0 deletions
diff --git a/src/audio_core/renderer/effect/compressor.h b/src/audio_core/renderer/effect/compressor.h
new file mode 100644
index 000000000..019a5ae58
--- /dev/null
+++ b/src/audio_core/renderer/effect/compressor.h
@@ -0,0 +1,106 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#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 CompressorInfo : public EffectInfoBase {
+public:
+    struct ParameterVersion1 {
+        /* 0x00 */ std::array<s8, MaxChannels> inputs;
+        /* 0x06 */ std::array<s8, MaxChannels> outputs;
+        /* 0x0C */ s16 channel_count_max;
+        /* 0x0E */ s16 channel_count;
+        /* 0x10 */ s32 sample_rate;
+        /* 0x14 */ f32 threshold;
+        /* 0x18 */ f32 compressor_ratio;
+        /* 0x1C */ s32 attack_time;
+        /* 0x20 */ s32 release_time;
+        /* 0x24 */ f32 unk_24;
+        /* 0x28 */ f32 unk_28;
+        /* 0x2C */ f32 unk_2C;
+        /* 0x30 */ f32 out_gain;
+        /* 0x34 */ ParameterState state;
+        /* 0x35 */ bool makeup_gain_enabled;
+    };
+    static_assert(sizeof(ParameterVersion1) <= sizeof(EffectInfoBase::InParameterVersion1),
+                  "CompressorInfo::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 sample_rate;
+        /* 0x14 */ f32 threshold;
+        /* 0x18 */ f32 compressor_ratio;
+        /* 0x1C */ s32 attack_time;
+        /* 0x20 */ s32 release_time;
+        /* 0x24 */ f32 unk_24;
+        /* 0x28 */ f32 unk_28;
+        /* 0x2C */ f32 unk_2C;
+        /* 0x30 */ f32 out_gain;
+        /* 0x34 */ ParameterState state;
+        /* 0x35 */ bool makeup_gain_enabled;
+    };
+    static_assert(sizeof(ParameterVersion2) <= sizeof(EffectInfoBase::InParameterVersion2),
+                  "CompressorInfo::ParameterVersion2 has the wrong size!");
+
+    struct State {
+        f32 unk_00;
+        f32 unk_04;
+        f32 unk_08;
+        f32 unk_0C;
+        f32 unk_10;
+        f32 unk_14;
+        f32 unk_18;
+        f32 makeup_gain;
+        f32 unk_20;
+        char unk_24[0x1C];
+    };
+    static_assert(sizeof(State) <= sizeof(EffectInfoBase::State),
+                  "CompressorInfo::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;
+
+    /**
+     * 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