Reverb : Add libeffect reverb wrapper implementation

Bug: 258124419
Test: atest VtsHalEnvironmentalReverbTest
      atest VtsHalPresetReverbTargetTest

Change-Id: I0e8f7733c158c15c8cfc5b4d6c2efa310792192a
diff --git a/media/libeffects/lvm/wrapper/Android.bp b/media/libeffects/lvm/wrapper/Android.bp
index aef9295..bc19379 100644
--- a/media/libeffects/lvm/wrapper/Android.bp
+++ b/media/libeffects/lvm/wrapper/Android.bp
@@ -128,4 +128,36 @@
     visibility: [
         "//hardware/interfaces/audio/aidl/default",
     ],
-}
\ No newline at end of file
+}
+
+cc_library_shared {
+    name: "libreverbaidl",
+    srcs: [
+        "Reverb/aidl/ReverbContext.cpp",
+        "Reverb/aidl/EffectReverb.cpp",
+        ":effectCommonFile",
+    ],
+    static_libs: ["libreverb"],
+    defaults: [
+        "aidlaudioservice_defaults",
+        "latest_android_hardware_audio_effect_ndk_shared",
+        "latest_android_media_audio_common_types_ndk_shared",
+    ],
+    local_include_dirs: ["Reverb/aidl"],
+    header_libs: [
+        "libaudioeffects",
+        "libhardware_headers",
+    ],
+    shared_libs: [
+        "libbase",
+        "libaudioutils",
+        "libcutils",
+        "liblog",
+    ],
+    cflags: [
+        "-Wthread-safety",
+    ],
+    visibility: [
+        "//hardware/interfaces/audio/aidl/default",
+    ],
+}
diff --git a/media/libeffects/lvm/wrapper/Reverb/aidl/EffectReverb.cpp b/media/libeffects/lvm/wrapper/Reverb/aidl/EffectReverb.cpp
new file mode 100644
index 0000000..51825ca
--- /dev/null
+++ b/media/libeffects/lvm/wrapper/Reverb/aidl/EffectReverb.cpp
@@ -0,0 +1,373 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "EffectReverb"
+#include <Utils.h>
+#include <algorithm>
+#include <unordered_set>
+
+#include <android-base/logging.h>
+#include <fmq/AidlMessageQueue.h>
+#include <audio_effects/effect_bassboost.h>
+#include <audio_effects/effect_equalizer.h>
+#include <audio_effects/effect_virtualizer.h>
+
+#include "EffectReverb.h"
+#include <limits.h>
+
+using aidl::android::hardware::audio::effect::Descriptor;
+using aidl::android::hardware::audio::effect::EffectReverb;
+using aidl::android::hardware::audio::effect::IEffect;
+using aidl::android::hardware::audio::effect::kAuxEnvReverbImplUUID;
+using aidl::android::hardware::audio::effect::kAuxPresetReverbImplUUID;
+using aidl::android::hardware::audio::effect::kInsertEnvReverbImplUUID;
+using aidl::android::hardware::audio::effect::kInsertPresetReverbImplUUID;
+using aidl::android::hardware::audio::effect::State;
+using aidl::android::media::audio::common::AudioUuid;
+
+bool isReverbUuidSupported(const AudioUuid* uuid) {
+    return (*uuid == kAuxEnvReverbImplUUID || *uuid == kInsertEnvReverbImplUUID ||
+            *uuid == kAuxPresetReverbImplUUID || *uuid == kInsertPresetReverbImplUUID);
+}
+
+extern "C" binder_exception_t createEffect(const AudioUuid* uuid,
+                                           std::shared_ptr<IEffect>* instanceSpp) {
+    if (uuid == nullptr || !isReverbUuidSupported(uuid)) {
+        LOG(ERROR) << __func__ << "uuid not supported";
+        return EX_ILLEGAL_ARGUMENT;
+    }
+    if (instanceSpp) {
+        *instanceSpp = ndk::SharedRefBase::make<EffectReverb>(*uuid);
+        LOG(DEBUG) << __func__ << " instance " << instanceSpp->get() << " created";
+        return EX_NONE;
+    } else {
+        LOG(ERROR) << __func__ << " invalid input parameter!";
+        return EX_ILLEGAL_ARGUMENT;
+    }
+}
+
+extern "C" binder_exception_t queryEffect(const AudioUuid* in_impl_uuid, Descriptor* _aidl_return) {
+    if (!in_impl_uuid || !isReverbUuidSupported(in_impl_uuid)) {
+        LOG(ERROR) << __func__ << "uuid not supported";
+        return EX_ILLEGAL_ARGUMENT;
+    }
+    if (*in_impl_uuid == kAuxEnvReverbImplUUID) {
+        *_aidl_return = aidl::android::hardware::audio::effect::lvm::kAuxEnvReverbDesc;
+    } else if (*in_impl_uuid == kInsertEnvReverbImplUUID) {
+        *_aidl_return = aidl::android::hardware::audio::effect::lvm::kInsertEnvReverbDesc;
+    } else if (*in_impl_uuid == kAuxPresetReverbImplUUID) {
+        *_aidl_return = aidl::android::hardware::audio::effect::lvm::kAuxPresetReverbDesc;
+    } else if (*in_impl_uuid == kInsertPresetReverbImplUUID) {
+        *_aidl_return = aidl::android::hardware::audio::effect::lvm::kInsertPresetReverbDesc;
+    }
+    return EX_NONE;
+}
+
+namespace aidl::android::hardware::audio::effect {
+
+EffectReverb::EffectReverb(const AudioUuid& uuid) {
+    LOG(DEBUG) << __func__ << uuid.toString();
+    if (uuid == kAuxEnvReverbImplUUID) {
+        mType = lvm::ReverbEffectType::AUX_ENV;
+        mDescriptor = &lvm::kAuxEnvReverbDesc;
+        mEffectName = &lvm::kAuxEnvReverbEffectName;
+    } else if (uuid == kInsertEnvReverbImplUUID) {
+        mType = lvm::ReverbEffectType::INSERT_ENV;
+        mDescriptor = &lvm::kInsertEnvReverbDesc;
+        mEffectName = &lvm::kInsertEnvReverbEffectName;
+    } else if (uuid == kAuxPresetReverbImplUUID) {
+        mType = lvm::ReverbEffectType::AUX_PRESET;
+        mDescriptor = &lvm::kAuxPresetReverbDesc;
+        mEffectName = &lvm::kAuxPresetReverbEffectName;
+    } else if (uuid == kInsertPresetReverbImplUUID) {
+        mType = lvm::ReverbEffectType::INSERT_PRESET;
+        mDescriptor = &lvm::kInsertPresetReverbDesc;
+        mEffectName = &lvm::kInsertPresetReverbEffectName;
+    } else {
+        LOG(ERROR) << __func__ << uuid.toString() << " not supported!";
+    }
+}
+
+EffectReverb::~EffectReverb() {
+    cleanUp();
+    LOG(DEBUG) << __func__;
+}
+
+ndk::ScopedAStatus EffectReverb::getDescriptor(Descriptor* _aidl_return) {
+    RETURN_IF(!_aidl_return, EX_ILLEGAL_ARGUMENT, "Parameter:nullptr");
+    LOG(DEBUG) << _aidl_return->toString();
+    *_aidl_return = *mDescriptor;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus EffectReverb::setParameterSpecific(const Parameter::Specific& specific) {
+    LOG(DEBUG) << __func__ << " specific " << specific.toString();
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+    auto tag = specific.getTag();
+    switch (tag) {
+        case Parameter::Specific::presetReverb:
+            return setParameterPresetReverb(specific);
+        case Parameter::Specific::environmentalReverb:
+            return setParameterEnvironmentalReverb(specific);
+        default:
+            LOG(ERROR) << __func__ << " unsupported tag " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "specificParamNotSupported");
+    }
+}
+
+ndk::ScopedAStatus EffectReverb::setParameterPresetReverb(const Parameter::Specific& specific) {
+    auto& prParam = specific.get<Parameter::Specific::presetReverb>();
+    auto tag = prParam.getTag();
+
+    switch (tag) {
+        case PresetReverb::preset: {
+            RETURN_IF(mContext->setPresetReverbPreset(prParam.get<PresetReverb::preset>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setPresetFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "PresetReverbTagNotSupported");
+        }
+    }
+}
+
+ndk::ScopedAStatus EffectReverb::setParameterEnvironmentalReverb(
+        const Parameter::Specific& specific) {
+    auto& erParam = specific.get<Parameter::Specific::environmentalReverb>();
+    auto tag = erParam.getTag();
+
+    switch (tag) {
+        case EnvironmentalReverb::roomLevelMb: {
+            RETURN_IF(mContext->setEnvironmentalReverbRoomLevel(
+                              erParam.get<EnvironmentalReverb::roomLevelMb>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setRoomLevelFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::roomHfLevelMb: {
+            RETURN_IF(
+                    mContext->setEnvironmentalReverbRoomHfLevel(
+                            erParam.get<EnvironmentalReverb::roomHfLevelMb>()) != RetCode::SUCCESS,
+                    EX_ILLEGAL_ARGUMENT, "setRoomHfLevelFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::decayTimeMs: {
+            RETURN_IF(mContext->setEnvironmentalReverbDecayTime(
+                              erParam.get<EnvironmentalReverb::decayTimeMs>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setDecayTimeFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::decayHfRatioPm: {
+            RETURN_IF(
+                    mContext->setEnvironmentalReverbDecayHfRatio(
+                            erParam.get<EnvironmentalReverb::decayHfRatioPm>()) != RetCode::SUCCESS,
+                    EX_ILLEGAL_ARGUMENT, "setDecayHfRatioFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::levelMb: {
+            RETURN_IF(mContext->setEnvironmentalReverbLevel(
+                              erParam.get<EnvironmentalReverb::levelMb>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setLevelFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::delayMs: {
+            RETURN_IF(mContext->setEnvironmentalReverbDelay(
+                              erParam.get<EnvironmentalReverb::delayMs>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setDelayFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::diffusionPm: {
+            RETURN_IF(mContext->setEnvironmentalReverbDiffusion(
+                              erParam.get<EnvironmentalReverb::diffusionPm>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setDiffusionFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::densityPm: {
+            RETURN_IF(mContext->setEnvironmentalReverbDensity(
+                              erParam.get<EnvironmentalReverb::densityPm>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setDensityFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case EnvironmentalReverb::bypass: {
+            RETURN_IF(mContext->setEnvironmentalReverbBypass(
+                              erParam.get<EnvironmentalReverb::bypass>()) != RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setBypassFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "EnvironmentalReverbTagNotSupported");
+        }
+    }
+}
+
+ndk::ScopedAStatus EffectReverb::getParameterSpecific(const Parameter::Id& id,
+                                                      Parameter::Specific* specific) {
+    RETURN_IF(!specific, EX_NULL_POINTER, "nullPtr");
+    auto tag = id.getTag();
+
+    switch (tag) {
+        case Parameter::Id::presetReverbTag:
+            return getParameterPresetReverb(id.get<Parameter::Id::presetReverbTag>(), specific);
+        case Parameter::Id::environmentalReverbTag:
+            return getParameterEnvironmentalReverb(id.get<Parameter::Id::environmentalReverbTag>(),
+                                                   specific);
+        default:
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "wrongIdTag");
+    }
+}
+
+ndk::ScopedAStatus EffectReverb::getParameterPresetReverb(const PresetReverb::Id& id,
+                                                          Parameter::Specific* specific) {
+    RETURN_IF(id.getTag() != PresetReverb::Id::commonTag, EX_ILLEGAL_ARGUMENT,
+              "PresetReverbTagNotSupported");
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+    PresetReverb prParam;
+    auto tag = id.get<PresetReverb::Id::commonTag>();
+    switch (tag) {
+        case PresetReverb::preset: {
+            prParam.set<PresetReverb::preset>(mContext->getPresetReverbPreset());
+            break;
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "PresetReverbTagNotSupported");
+        }
+    }
+
+    specific->set<Parameter::Specific::presetReverb>(prParam);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus EffectReverb::getParameterEnvironmentalReverb(const EnvironmentalReverb::Id& id,
+                                                                 Parameter::Specific* specific) {
+    RETURN_IF(id.getTag() != EnvironmentalReverb::Id::commonTag, EX_ILLEGAL_ARGUMENT,
+              "EnvironmentalReverbTagNotSupported");
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+    EnvironmentalReverb erParam;
+
+    auto tag = id.get<EnvironmentalReverb::Id::commonTag>();
+    switch (tag) {
+        case EnvironmentalReverb::roomLevelMb: {
+            erParam.set<EnvironmentalReverb::roomLevelMb>(
+                    mContext->getEnvironmentalReverbRoomLevel());
+            break;
+        }
+        case EnvironmentalReverb::roomHfLevelMb: {
+            erParam.set<EnvironmentalReverb::roomHfLevelMb>(
+                    mContext->getEnvironmentalReverbRoomHfLevel());
+            break;
+        }
+        case EnvironmentalReverb::decayTimeMs: {
+            erParam.set<EnvironmentalReverb::decayTimeMs>(
+                    mContext->getEnvironmentalReverbDecayTime());
+            break;
+        }
+        case EnvironmentalReverb::decayHfRatioPm: {
+            erParam.set<EnvironmentalReverb::decayHfRatioPm>(
+                    mContext->getEnvironmentalReverbDecayHfRatio());
+            break;
+        }
+        case EnvironmentalReverb::levelMb: {
+            erParam.set<EnvironmentalReverb::levelMb>(mContext->getEnvironmentalReverbLevel());
+            break;
+        }
+        case EnvironmentalReverb::delayMs: {
+            erParam.set<EnvironmentalReverb::delayMs>(mContext->getEnvironmentalReverbDelay());
+            break;
+        }
+        case EnvironmentalReverb::diffusionPm: {
+            erParam.set<EnvironmentalReverb::diffusionPm>(
+                    mContext->getEnvironmentalReverbDiffusion());
+            break;
+        }
+        case EnvironmentalReverb::densityPm: {
+            erParam.set<EnvironmentalReverb::densityPm>(mContext->getEnvironmentalReverbDensity());
+            break;
+        }
+        case EnvironmentalReverb::bypass: {
+            erParam.set<EnvironmentalReverb::bypass>(mContext->getEnvironmentalReverbBypass());
+            break;
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "EnvironmentalReverbTagNotSupported");
+        }
+    }
+
+    specific->set<Parameter::Specific::environmentalReverb>(erParam);
+    return ndk::ScopedAStatus::ok();
+}
+
+std::shared_ptr<EffectContext> EffectReverb::createContext(const Parameter::Common& common) {
+    if (mContext) {
+        LOG(DEBUG) << __func__ << " context already exist";
+    } else {
+        mContext = std::make_shared<ReverbContext>(1 /* statusFmqDepth */, common, mType);
+    }
+
+    return mContext;
+}
+
+std::shared_ptr<EffectContext> EffectReverb::getContext() {
+    return mContext;
+}
+
+RetCode EffectReverb::releaseContext() {
+    if (mContext) {
+        mContext.reset();
+    }
+    return RetCode::SUCCESS;
+}
+
+ndk::ScopedAStatus EffectReverb::commandImpl(CommandId command) {
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+    switch (command) {
+        case CommandId::START:
+            mContext->enable();
+            break;
+        case CommandId::STOP:
+            mContext->disable();
+            break;
+        case CommandId::RESET:
+            mContext->disable();
+            mContext->resetBuffer();
+            break;
+        default:
+            LOG(ERROR) << __func__ << " commandId " << toString(command) << " not supported";
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "commandIdNotSupported");
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+// Processing method running in EffectWorker thread.
+IEffect::Status EffectReverb::effectProcessImpl(float* in, float* out, int sampleToProcess) {
+    IEffect::Status status = {EX_NULL_POINTER, 0, 0};
+    RETURN_VALUE_IF(!mContext, status, "nullContext");
+    return mContext->lvmProcess(in, out, sampleToProcess);
+}
+
+}  // namespace aidl::android::hardware::audio::effect
diff --git a/media/libeffects/lvm/wrapper/Reverb/aidl/EffectReverb.h b/media/libeffects/lvm/wrapper/Reverb/aidl/EffectReverb.h
new file mode 100644
index 0000000..d7d2bbd
--- /dev/null
+++ b/media/libeffects/lvm/wrapper/Reverb/aidl/EffectReverb.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/audio/effect/BnEffect.h>
+
+#include "effect-impl/EffectImpl.h"
+#include "ReverbContext.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+class EffectReverb final : public EffectImpl {
+  public:
+    explicit EffectReverb(const AudioUuid& uuid);
+    ~EffectReverb() override;
+
+    ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
+
+    ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific) override;
+    ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id,
+                                            Parameter::Specific* specific) override;
+
+    std::shared_ptr<EffectContext> createContext(const Parameter::Common& common) override;
+    std::shared_ptr<EffectContext> getContext() override;
+    RetCode releaseContext() override;
+
+    IEffect::Status effectProcessImpl(float* in, float* out, int samples) override;
+
+    ndk::ScopedAStatus commandImpl(CommandId command) override;
+
+    std::string getEffectName() override { return *mEffectName; }
+
+  private:
+    std::shared_ptr<ReverbContext> mContext;
+    const Descriptor* mDescriptor;
+    const std::string* mEffectName;
+    lvm::ReverbEffectType mType;
+
+    IEffect::Status status(binder_status_t status, size_t consumed, size_t produced);
+
+    ndk::ScopedAStatus setParameterPresetReverb(const Parameter::Specific& specific);
+    ndk::ScopedAStatus getParameterPresetReverb(const PresetReverb::Id& id,
+                                                Parameter::Specific* specific);
+
+    ndk::ScopedAStatus setParameterEnvironmentalReverb(const Parameter::Specific& specific);
+    ndk::ScopedAStatus getParameterEnvironmentalReverb(const EnvironmentalReverb::Id& id,
+                                                       Parameter::Specific* specific);
+};
+
+}  // namespace aidl::android::hardware::audio::effect
diff --git a/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbContext.cpp b/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbContext.cpp
new file mode 100644
index 0000000..d35c22b
--- /dev/null
+++ b/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbContext.cpp
@@ -0,0 +1,560 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cstddef>
+#define LOG_TAG "ReverbContext"
+#include <Utils.h>
+
+#include "ReverbContext.h"
+#include "VectorArithmetic.h"
+#include "math.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+using aidl::android::media::audio::common::AudioDeviceDescription;
+using aidl::android::media::audio::common::AudioDeviceType;
+
+#define GOTO_IF_LVREV_ERROR(status, tag, log)                                     \
+    do {                                                                          \
+        LVREV_ReturnStatus_en temp = (status);                                    \
+        if (temp != LVREV_SUCCESS) {                                              \
+            LOG(ERROR) << __func__ << " return status: " << temp << " " << (log); \
+            goto tag;                                                             \
+        }                                                                         \
+    } while (0)
+
+RetCode ReverbContext::init() {
+    if (isPreset()) {
+        // force reloading preset at first call to process()
+        mPreset = PresetReverb::Presets::NONE;
+        mNextPreset = PresetReverb::Presets::NONE;
+    }
+
+    mVolume.left = kUnitVolume;
+    mVolume.right = kUnitVolume;
+    mPrevVolume.left = kUnitVolume;
+    mPrevVolume.right = kUnitVolume;
+    volumeMode = VOLUME_FLAT;
+
+    mSamplesToExitCount = kDefaultDecayTime * mCommon.input.base.sampleRate / 1000;
+
+    /* Saved strength is used to return the exact strength that was used in the set to the get
+     * because we map the original strength range of 0:1000 to 1:15, and this will avoid
+     * quantisation like effect when returning
+     */
+    mRoomLevel = lvm::kMinLevel;
+    mRoomHfLevel = 0;
+    mEnabled = LVM_FALSE;
+    mDecayTime = kDefaultDecayTime;
+    mDecayHfRatio = kDefaultDamping * 20;
+    mDensity = kDefaultRoomSize * 10;
+    mDiffusion = kDefaultDensity * 10;
+    mLevel = lvm::kMinLevel;
+
+    // allocate lvm reverb instance
+    LVREV_ReturnStatus_en status = LVREV_SUCCESS;
+    {
+        std::lock_guard lg(mMutex);
+        LVREV_InstanceParams_st params = {
+                .MaxBlockSize = lvm::kMaxCallSize,
+                // Max format, could be mono during process
+                .SourceFormat = LVM_STEREO,
+                .NumDelays = LVREV_DELAYLINES_4,
+        };
+        /* Init sets the instance handle */
+        status = LVREV_GetInstanceHandle(&mInstance, &params);
+        GOTO_IF_LVREV_ERROR(status, deinit, "LVREV_GetInstanceHandleFailed");
+
+        // set control
+        LVREV_ControlParams_st controlParams;
+        initControlParameter(controlParams);
+        status = LVREV_SetControlParameters(mInstance, &controlParams);
+        GOTO_IF_LVREV_ERROR(status, deinit, "LVREV_SetControlParametersFailed");
+    }
+
+    return RetCode::SUCCESS;
+
+deinit:
+    deInit();
+    return RetCode::ERROR_EFFECT_LIB_ERROR;
+}
+
+void ReverbContext::deInit() {
+    std::lock_guard lg(mMutex);
+    if (mInstance) {
+        LVREV_FreeInstance(mInstance);
+        mInstance = nullptr;
+    }
+}
+
+RetCode ReverbContext::enable() {
+    if (mEnabled) return RetCode::ERROR_ILLEGAL_PARAMETER;
+    mEnabled = true;
+    mSamplesToExitCount = (mDecayTime * mCommon.input.base.sampleRate) / 1000;
+    // force no volume ramp for first buffer processed after enabling the effect
+    volumeMode = VOLUME_FLAT;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::disable() {
+    if (!mEnabled) return RetCode::ERROR_ILLEGAL_PARAMETER;
+    mEnabled = false;
+    return RetCode::SUCCESS;
+}
+
+bool ReverbContext::isAuxiliary() {
+    return (mType == lvm::ReverbEffectType::AUX_ENV || mType == lvm::ReverbEffectType::AUX_PRESET);
+}
+
+bool ReverbContext::isPreset() {
+    return (mType == lvm::ReverbEffectType::AUX_PRESET ||
+            mType == lvm::ReverbEffectType::INSERT_PRESET);
+}
+
+RetCode ReverbContext::setVolumeStereo(const Parameter::VolumeStereo& volume) {
+    if (volumeMode == VOLUME_OFF) {
+        // force no volume ramp for first buffer processed after getting volume control
+        volumeMode = VOLUME_FLAT;
+    }
+    mVolumeStereo = volume;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setPresetReverbPreset(const PresetReverb::Presets& preset) {
+    mNextPreset = preset;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbRoomLevel(int roomLevel) {
+    if (roomLevel < lvm::kEnvReverbCap.minRoomLevelMb ||
+        roomLevel > lvm::kEnvReverbCap.maxRoomLevelMb) {
+        LOG(ERROR) << __func__ << " invalid roomLevel: " << roomLevel;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        // Sum of room and reverb level controls
+        // needs to subtract max levels for both room level and reverb level
+        int combinedLevel = (roomLevel + mLevel) - lvm::kMaxReverbLevel;
+        params.Level = convertLevel(combinedLevel);
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mRoomLevel = roomLevel;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbRoomHfLevel(int roomHfLevel) {
+    if (roomHfLevel < lvm::kEnvReverbCap.minRoomHfLevelMb ||
+        roomHfLevel > lvm::kEnvReverbCap.maxRoomHfLevelMb) {
+        LOG(ERROR) << __func__ << " invalid roomHfLevel: " << roomHfLevel;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        params.LPF = convertHfLevel(roomHfLevel);
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mRoomHfLevel = roomHfLevel;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbDecayTime(int decayTime) {
+    if (decayTime < 0 || decayTime > lvm::kEnvReverbCap.maxDecayTimeMs) {
+        LOG(ERROR) << __func__ << " invalid decayTime: " << decayTime;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+    int time = decayTime;
+    if (time > lvm::kMaxT60) {
+        time = lvm::kMaxT60;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        params.T60 = (LVM_UINT16)time;
+        mSamplesToExitCount = (params.T60 * mCommon.input.base.sampleRate) / 1000;
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mDecayTime = time;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbDecayHfRatio(int decayHfRatio) {
+    if (decayHfRatio < lvm::kEnvReverbCap.minDecayHfRatioPm ||
+        decayHfRatio > lvm::kEnvReverbCap.maxDecayHfRatioPm) {
+        LOG(ERROR) << __func__ << " invalid decayHfRatio: " << decayHfRatio;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        params.Damping = (LVM_INT16)(decayHfRatio / 20);
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mDecayHfRatio = decayHfRatio;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbLevel(int level) {
+    if (level < lvm::kEnvReverbCap.minLevelMb || level > lvm::kEnvReverbCap.maxLevelMb) {
+        LOG(ERROR) << __func__ << " invalid level: " << level;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        // Sum of room and reverb level controls
+        // needs to subtract max levels for both room level and level
+        int combinedLevel = (level + mRoomLevel) - lvm::kMaxReverbLevel;
+        params.Level = convertLevel(combinedLevel);
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mLevel = level;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbDelay(int delay) {
+    if (delay < 0 || delay > lvm::kEnvReverbCap.maxDelayMs) {
+        LOG(ERROR) << __func__ << " invalid delay: " << delay;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+    mDelay = delay;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbDiffusion(int diffusion) {
+    if (diffusion < 0 || diffusion > lvm::kEnvReverbCap.maxDiffusionPm) {
+        LOG(ERROR) << __func__ << " invalid diffusion: " << diffusion;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        params.Density = (LVM_INT16)(diffusion / 10);
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mDiffusion = diffusion;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbDensity(int density) {
+    if (density < 0 || density > lvm::kEnvReverbCap.maxDensityPm) {
+        LOG(ERROR) << __func__ << " invalid density: " << density;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+
+    // Update Control Parameter
+    LVREV_ControlParams_st params;
+    {
+        std::lock_guard lg(mMutex);
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_GetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " getControlParamFailed");
+
+        params.RoomSize = (LVM_INT16)(((density * 99) / 1000) + 1);
+
+        RETURN_VALUE_IF(LVREV_SUCCESS != LVREV_SetControlParameters(mInstance, &params),
+                        RetCode::ERROR_EFFECT_LIB_ERROR, " setControlParamFailed");
+    }
+    mDensity = density;
+    return RetCode::SUCCESS;
+}
+
+RetCode ReverbContext::setEnvironmentalReverbBypass(bool bypass) {
+    mBypass = bypass;
+    return RetCode::SUCCESS;
+}
+
+void ReverbContext::loadPreset() {
+    // TODO: add delay when early reflections are implemented
+    mPreset = mNextPreset;
+
+    if (mPreset != PresetReverb::Presets::NONE) {
+        const t_reverb_settings preset = mReverbPresets[mPreset];
+        setEnvironmentalReverbRoomLevel(preset.roomLevel);
+        setEnvironmentalReverbRoomHfLevel(preset.roomHFLevel);
+        setEnvironmentalReverbDecayTime(preset.decayTime);
+        setEnvironmentalReverbDecayHfRatio(preset.decayHFRatio);
+        setEnvironmentalReverbLevel(preset.reverbLevel);
+        // reverbDelay
+        setEnvironmentalReverbDiffusion(preset.diffusion);
+        setEnvironmentalReverbDensity(preset.density);
+    }
+}
+
+void ReverbContext::initControlParameter(LVREV_ControlParams_st& params) {
+    /* Set the initial process parameters */
+    /* General parameters */
+    params.OperatingMode = LVM_MODE_ON;
+    params.SampleRate = LVM_FS_44100;
+    params.SourceFormat = (::android::hardware::audio::common::getChannelCount(
+                                   mCommon.input.base.channelMask) == 1
+                                   ? LVM_MONO
+                                   : LVM_STEREO);
+
+    if (!isAuxiliary() && params.SourceFormat == LVM_MONO) {
+        params.SourceFormat = LVM_STEREO;
+    }
+
+    /* Reverb parameters */
+    params.Level = kDefaultLevel;
+    params.LPF = kDefaultLPF;
+    params.HPF = kDefaultHPF;
+    params.T60 = kDefaultDecayTime;
+    params.Density = kDefaultDensity;
+    params.Damping = kDefaultDamping;
+    params.RoomSize = kDefaultRoomSize;
+}
+
+/*
+ * Convert level from OpenSL ES format to LVM format
+ *
+ *  @param level : level to be applied
+ */
+
+int ReverbContext::convertLevel(int level) {
+    for (int i = 0; i < kLevelMapping.size(); i++) {
+        if (level <= kLevelMapping[i]) {
+            return i;
+        }
+    }
+    return kDefaultLevel;
+}
+
+/*
+ * Convert level HF from OpenSL ES format to LVM format
+ *
+ * @param hfLevel : level to be applied
+ */
+
+int16_t ReverbContext::convertHfLevel(int hfLevel) {
+    for (auto lpfPair : kLPFMapping) {
+        if (hfLevel <= lpfPair.roomHf) {
+            return lpfPair.lpf;
+        }
+    }
+    return kDefaultLPF;
+}
+
+IEffect::Status ReverbContext::lvmProcess(float* in, float* out, int samples) {
+    IEffect::Status status = {EX_NULL_POINTER, 0, 0};
+    RETURN_VALUE_IF(!in, status, "nullInput");
+    RETURN_VALUE_IF(!out, status, "nullOutput");
+    status = {EX_ILLEGAL_STATE, 0, 0};
+    int64_t inputFrameCount = getCommon().input.frameCount;
+    int64_t outputFrameCount = getCommon().output.frameCount;
+    RETURN_VALUE_IF(inputFrameCount != outputFrameCount, status, "FrameCountMismatch");
+    RETURN_VALUE_IF(0 == getInputFrameSize(), status, "zeroFrameSize");
+
+    LOG(DEBUG) << __func__ << " start processing";
+    std::lock_guard lg(mMutex);
+
+    int channels =
+            ::android::hardware::audio::common::getChannelCount(mCommon.input.base.channelMask);
+    int outChannels =
+            ::android::hardware::audio::common::getChannelCount(mCommon.output.base.channelMask);
+    int frameCount = mCommon.input.frameCount;
+
+    // Reverb only effects the stereo channels in multichannel source.
+    if (channels < 1 || channels > LVM_MAX_CHANNELS) {
+        LOG(ERROR) << __func__ << " process invalid PCM channels " << channels;
+        return status;
+    }
+
+    std::vector<float> inFrames(samples);
+    std::vector<float> outFrames(frameCount * FCC_2);
+
+    if (isPreset() && mNextPreset != mPreset) {
+        loadPreset();
+    }
+
+    if (isAuxiliary()) {
+        inFrames.assign(in, in + samples);
+    } else {
+        // mono input is duplicated
+        if (channels >= FCC_2) {
+            for (int i = 0; i < frameCount; i++) {
+                inFrames[FCC_2 * i] = in[channels * i] * kSendLevel;
+                inFrames[FCC_2 * i + 1] = in[channels * i + 1] * kSendLevel;
+            }
+        } else {
+            for (int i = 0; i < frameCount; i++) {
+                inFrames[FCC_2 * i] = inFrames[FCC_2 * i + 1] = in[i] * kSendLevel;
+            }
+        }
+    }
+
+    if (isPreset() && mPreset == PresetReverb::Presets::NONE) {
+        std::fill(outFrames.begin(), outFrames.end(), 0);  // always stereo here
+    } else {
+        if (!mEnabled && mSamplesToExitCount > 0) {
+            std::fill(outFrames.begin(), outFrames.end(), 0);
+            LOG(VERBOSE) << "Zeroing " << channels << " samples per frame at the end of call ";
+        }
+
+        /* Process the samples, producing a stereo output */
+        LVREV_ReturnStatus_en lvrevStatus =
+                LVREV_Process(mInstance,        /* Instance handle */
+                              inFrames.data(),  /* Input buffer */
+                              outFrames.data(), /* Output buffer */
+                              frameCount);      /* Number of samples to read */
+        if (lvrevStatus != LVREV_SUCCESS) {
+            LOG(ERROR) << __func__ << lvrevStatus;
+            return {EX_UNSUPPORTED_OPERATION, 0, 0};
+        }
+    }
+    // Convert to 16 bits
+    if (isAuxiliary()) {
+        // nothing to do here
+    } else {
+        if (channels >= FCC_2) {
+            for (int i = 0; i < frameCount; i++) {
+                // Mix with dry input
+                outFrames[FCC_2 * i] += in[channels * i];
+                outFrames[FCC_2 * i + 1] += in[channels * i + 1];
+            }
+        } else {
+            for (int i = 0; i < frameCount; i++) {
+                // Mix with dry input
+                outFrames[FCC_2 * i] += in[i];
+                outFrames[FCC_2 * i + 1] += in[i];
+            }
+        }
+
+        // apply volume with ramp if needed
+        if (mVolume != mPrevVolume && volumeMode == VOLUME_RAMP) {
+            float vl = mPrevVolume.left;
+            float incl = (mVolume.left - vl) / frameCount;
+            float vr = mPrevVolume.right;
+            float incr = (mVolume.right - vr) / frameCount;
+
+            for (int i = 0; i < frameCount; i++) {
+                outFrames[FCC_2 * i] *= vl;
+                outFrames[FCC_2 * i + 1] *= vr;
+
+                vl += incl;
+                vr += incr;
+            }
+            mPrevVolume = mVolume;
+        } else if (volumeMode != VOLUME_OFF) {
+            if (mVolume.left != kUnitVolume || mVolume.right != kUnitVolume) {
+                for (int i = 0; i < frameCount; i++) {
+                    outFrames[FCC_2 * i] *= mVolume.left;
+                    outFrames[FCC_2 * i + 1] *= mVolume.right;
+                }
+            }
+            mPrevVolume = mVolume;
+            volumeMode = VOLUME_RAMP;
+        }
+    }
+
+    bool accumulate = false;
+    if (outChannels > 2) {
+        // Accumulate if required
+        if (accumulate) {
+            for (int i = 0; i < frameCount; i++) {
+                out[outChannels * i] += outFrames[FCC_2 * i];
+                out[outChannels * i + 1] += outFrames[FCC_2 * i + 1];
+            }
+        } else {
+            for (int i = 0; i < frameCount; i++) {
+                out[outChannels * i] = outFrames[FCC_2 * i];
+                out[outChannels * i + 1] = outFrames[FCC_2 * i + 1];
+            }
+        }
+        if (!isAuxiliary()) {
+            for (int i = 0; i < frameCount; i++) {
+                // channels and outChannels are expected to be same.
+                for (int j = FCC_2; j < outChannels; j++) {
+                    out[outChannels * i + j] = in[outChannels * i + j];
+                }
+            }
+        }
+    } else {
+        if (accumulate) {
+            if (outChannels == FCC_1) {
+                for (int i = 0; i < frameCount; i++) {
+                    out[i] += ((outFrames[i * FCC_2] + outFrames[i * FCC_2 + 1]) * 0.5f);
+                }
+            } else {
+                for (int i = 0; i < frameCount * FCC_2; i++) {
+                    out[i] += outFrames[i];
+                }
+            }
+        } else {
+            if (outChannels == FCC_1) {
+                From2iToMono_Float(outFrames.data(), out, frameCount);
+            } else {
+                for (int i = 0; i < frameCount * FCC_2; i++) {
+                    out[i] = outFrames[i];
+                }
+            }
+        }
+    }
+
+    LOG(DEBUG) << __func__ << " done processing";
+
+    if (!mEnabled && mSamplesToExitCount > 0) {
+        // signed - unsigned will trigger integer overflow if result becomes negative.
+        mSamplesToExitCount -= samples;
+    }
+
+    return {STATUS_OK, samples, outChannels * frameCount};
+}
+
+}  // namespace aidl::android::hardware::audio::effect
diff --git a/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbContext.h b/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbContext.h
new file mode 100644
index 0000000..af49a25
--- /dev/null
+++ b/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbContext.h
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android-base/logging.h>
+#include <android-base/thread_annotations.h>
+#include <unordered_map>
+
+#include "ReverbTypes.h"
+#include "effect-impl/EffectContext.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+enum VolumeMode {
+    VOLUME_OFF,
+    VOLUME_FLAT,
+    VOLUME_RAMP,
+};
+
+struct LPFPair {
+    int roomHf;
+    int lpf;
+};
+
+class ReverbContext final : public EffectContext {
+  public:
+    ReverbContext(int statusDepth, const Parameter::Common& common,
+                  const lvm::ReverbEffectType& type)
+        : EffectContext(statusDepth, common), mType(type) {
+        LOG(DEBUG) << __func__ << type;
+        init();
+    }
+    ~ReverbContext() override {
+        LOG(DEBUG) << __func__;
+        deInit();
+    }
+
+    RetCode init();
+    void deInit();
+
+    RetCode enable();
+    RetCode disable();
+
+    bool isAuxiliary();
+    bool isPreset();
+
+    RetCode setPresetReverbPreset(const PresetReverb::Presets& preset);
+    PresetReverb::Presets getPresetReverbPreset() const { return mNextPreset; }
+
+    RetCode setEnvironmentalReverbRoomLevel(int roomLevel);
+    int getEnvironmentalReverbRoomLevel() const { return mRoomLevel; }
+    RetCode setEnvironmentalReverbRoomHfLevel(int roomHfLevel);
+    int getEnvironmentalReverbRoomHfLevel() const { return mRoomHfLevel; }
+    RetCode setEnvironmentalReverbDecayTime(int decayTime);
+    int getEnvironmentalReverbDecayTime() const { return mDecayTime; }
+    RetCode setEnvironmentalReverbDecayHfRatio(int decayHfRatio);
+    int getEnvironmentalReverbDecayHfRatio() const { return mDecayHfRatio; }
+    RetCode setEnvironmentalReverbLevel(int level);
+    int getEnvironmentalReverbLevel() const { return mLevel; }
+    RetCode setEnvironmentalReverbDelay(int delay);
+    int getEnvironmentalReverbDelay() const { return mDelay; }
+    RetCode setEnvironmentalReverbDiffusion(int diffusion);
+    int getEnvironmentalReverbDiffusion() const { return mDiffusion; }
+    RetCode setEnvironmentalReverbDensity(int density);
+    int getEnvironmentalReverbDensity() const { return mDensity; }
+    RetCode setEnvironmentalReverbBypass(bool bypass);
+    bool getEnvironmentalReverbBypass() const { return mBypass; }
+
+    RetCode setVolumeStereo(const Parameter::VolumeStereo& volumeStereo) override;
+    Parameter::VolumeStereo getVolumeStereo() override { return mVolumeStereo; }
+
+    IEffect::Status lvmProcess(float* in, float* out, int samples);
+
+  private:
+    static constexpr inline float kUnitVolume = 1;
+    static constexpr inline float kSendLevel = 0.75f;
+    static constexpr inline int kDefaultLevel = 0;
+    static constexpr inline int kDefaultLPF = 23999;      /* Default low pass filter, in Hz */
+    static constexpr inline int kDefaultHPF = 50;         /* Default high pass filter, in Hz */
+    static constexpr inline int kDefaultDecayTime = 1490; /* Default Decay time, in ms */
+    static constexpr inline int kDefaultDensity = 100;    /* Default Echo density */
+    static constexpr inline int kDefaultDamping = 21;
+    static constexpr inline int kDefaultRoomSize = 100;
+
+    static inline const std::vector<LPFPair> kLPFMapping = {
+            // Limit range to 50 for LVREV parameter range
+            {-10000, 50}, {-5000, 50},  {-4000, 50},  {-3000, 158}, {-2000, 502}, {-1000, 1666},
+            {-900, 1897}, {-800, 2169}, {-700, 2496}, {-600, 2895}, {-500, 3400}, {-400, 4066},
+            {-300, 5011}, {-200, 6537}, {-100, 9826}, {-99, 9881},  {-98, 9937},  {-97, 9994},
+            {-96, 10052}, {-95, 10111}, {-94, 10171}, {-93, 10231}, {-92, 10293}, {-91, 10356},
+            {-90, 10419}, {-89, 10484}, {-88, 10549}, {-87, 10616}, {-86, 10684}, {-85, 10753},
+            {-84, 10823}, {-83, 10895}, {-82, 10968}, {-81, 11042}, {-80, 11117}, {-79, 11194},
+            {-78, 11272}, {-77, 11352}, {-76, 11433}, {-75, 11516}, {-74, 11600}, {-73, 11686},
+            {-72, 11774}, {-71, 11864}, {-70, 11955}, {-69, 12049}, {-68, 12144}, {-67, 12242},
+            {-66, 12341}, {-65, 12443}, {-64, 12548}, {-63, 12654}, {-62, 12763}, {-61, 12875},
+            {-60, 12990}, {-59, 13107}, {-58, 13227}, {-57, 13351}, {-56, 13477}, {-55, 13607},
+            {-54, 13741}, {-53, 13878}, {-52, 14019}, {-51, 14164}, {-50, 14313}, {-49, 14467},
+            {-48, 14626}, {-47, 14789}, {-46, 14958}, {-45, 15132}, {-44, 15312}, {-43, 15498},
+            {-42, 15691}, {-41, 15890}, {-40, 16097}, {-39, 16311}, {-38, 16534}, {-37, 16766},
+            {-36, 17007}, {-35, 17259}, {-34, 17521}, {-33, 17795}, {-32, 18081}, {-31, 18381},
+            {-30, 18696}, {-29, 19027}, {-28, 19375}, {-27, 19742}, {-26, 20129}, {-25, 20540},
+            {-24, 20976}, {-23, 21439}, {-22, 21934}, {-21, 22463}, {-20, 23031}, {-19, 23643},
+            {-18, 23999}};
+
+    static inline const std::vector<int> kLevelMapping = {
+            -12000, -4000, -3398, -3046, -2796, -2603, -2444, -2310, -2194, -2092, -2000, -1918,
+            -1842,  -1773, -1708, -1648, -1592, -1540, -1490, -1443, -1398, -1356, -1316, -1277,
+            -1240,  -1205, -1171, -1138, -1106, -1076, -1046, -1018, -990,  -963,  -938,  -912,
+            -888,   -864,  -841,  -818,  -796,  -775,  -754,  -734,  -714,  -694,  -675,  -656,
+            -638,   -620,  -603,  -585,  -568,  -552,  -536,  -520,  -504,  -489,  -474,  -459,
+            -444,   -430,  -416,  -402,  -388,  -375,  -361,  -348,  -335,  -323,  -310,  -298,
+            -286,   -274,  -262,  -250,  -239,  -228,  -216,  -205,  -194,  -184,  -173,  -162,
+            -152,   -142,  -132,  -121,  -112,  -102,  -92,   -82,   -73,   -64,   -54,   -45,
+            -36,    -27,   -18,   -9,    0};
+
+    static inline std::unordered_map<PresetReverb::Presets, t_reverb_settings> mReverbPresets = {
+            {PresetReverb::Presets::NONE, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
+            {PresetReverb::Presets::SMALLROOM,
+             {-400, -600, 1100, 830, -400, 5, 500, 10, 1000, 1000}},
+            {PresetReverb::Presets::MEDIUMROOM,
+             {-400, -600, 1300, 830, -1000, 20, -200, 20, 1000, 1000}},
+            {PresetReverb::Presets::LARGEROOM,
+             {-400, -600, 1500, 830, -1600, 5, -1000, 40, 1000, 1000}},
+            {PresetReverb::Presets::MEDIUMHALL,
+             {-400, -600, 1800, 700, -1300, 15, -800, 30, 1000, 1000}},
+            {PresetReverb::Presets::LARGEHALL,
+             {-400, -600, 1800, 700, -2000, 30, -1400, 60, 1000, 1000}},
+            {PresetReverb::Presets::PLATE, {-400, -200, 1300, 900, 0, 2, 0, 10, 1000, 750}}};
+
+    std::mutex mMutex;
+    const lvm::ReverbEffectType mType;
+    bool mEnabled = false;
+    LVREV_Handle_t mInstance GUARDED_BY(mMutex);
+
+    int mRoomLevel;
+    int mRoomHfLevel;
+    int mDecayTime;
+    int mDecayHfRatio;
+    int mLevel;
+    int mDelay;
+    int mDiffusion;
+    int mDensity;
+    bool mBypass;
+
+    PresetReverb::Presets mPreset;
+    PresetReverb::Presets mNextPreset;
+
+    int mSamplesToExitCount;
+
+    Parameter::VolumeStereo mVolume;
+    Parameter::VolumeStereo mPrevVolume;
+    VolumeMode volumeMode;
+
+    void initControlParameter(LVREV_ControlParams_st& params);
+    int16_t convertHfLevel(int hfLevel);
+    int convertLevel(int level);
+    void loadPreset();
+};
+
+}  // namespace aidl::android::hardware::audio::effect
diff --git a/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbTypes.h b/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbTypes.h
new file mode 100644
index 0000000..e37602c
--- /dev/null
+++ b/media/libeffects/lvm/wrapper/Reverb/aidl/ReverbTypes.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/audio/effect/BnEffect.h>
+#include <android/binder_enums.h>
+#include <audio_effects/effect_environmentalreverb.h>
+#include <audio_effects/effect_presetreverb.h>
+#include "effect-impl/EffectUUID.h"
+// from Reverb/lib
+#include "LVREV.h"
+
+namespace aidl::android::hardware::audio::effect {
+namespace lvm {
+
+constexpr inline int kMaxCallSize = 256;
+constexpr inline int kMinLevel = -6000;
+constexpr inline int kMaxT60 = 7000; /* Maximum decay time */
+constexpr inline int kMaxReverbLevel = 2000;
+constexpr inline int kMaxFrameSize = 2560;
+constexpr inline int kCpuLoadARM9E = 470;                      // Expressed in 0.1 MIPS
+constexpr inline int kMemUsage = (71 + (kMaxFrameSize >> 7));  // Expressed in kB
+
+static const EnvironmentalReverb::Capability kEnvReverbCap = {.minRoomLevelMb = lvm::kMinLevel,
+                                                              .maxRoomLevelMb = 0,
+                                                              .minRoomHfLevelMb = -4000,
+                                                              .maxRoomHfLevelMb = 0,
+                                                              .maxDecayTimeMs = lvm::kMaxT60,
+                                                              .minDecayHfRatioPm = 100,
+                                                              .maxDecayHfRatioPm = 2000,
+                                                              .minLevelMb = lvm::kMinLevel,
+                                                              .maxLevelMb = 0,
+                                                              .maxDelayMs = 65,
+                                                              .maxDiffusionPm = 1000,
+                                                              .maxDensityPm = 1000};
+
+// NXP SW auxiliary environmental reverb
+static const std::string kAuxEnvReverbEffectName = "Auxiliary Environmental Reverb";
+static const Descriptor kAuxEnvReverbDesc = {
+        .common = {.id = {.type = kEnvReverbTypeUUID,
+                          .uuid = kAuxEnvReverbImplUUID,
+                          .proxy = std::nullopt},
+                   .flags = {.type = Flags::Type::AUXILIARY},
+                   .cpuLoad = kCpuLoadARM9E,
+                   .memoryUsage = kMemUsage,
+                   .name = kAuxEnvReverbEffectName,
+                   .implementor = "NXP Software Ltd."},
+        .capability = Capability::make<Capability::environmentalReverb>(kEnvReverbCap)};
+
+// NXP SW insert environmental reverb
+static const std::string kInsertEnvReverbEffectName = "Insert Environmental Reverb";
+static const Descriptor kInsertEnvReverbDesc = {
+        .common = {.id = {.type = kEnvReverbTypeUUID,
+                          .uuid = kInsertEnvReverbImplUUID,
+                          .proxy = std::nullopt},
+                   .flags = {.type = Flags::Type::INSERT,
+                             .insert = Flags::Insert::FIRST,
+                             .volume = Flags::Volume::CTRL},
+                   .cpuLoad = kCpuLoadARM9E,
+                   .memoryUsage = kMemUsage,
+                   .name = kInsertEnvReverbEffectName,
+                   .implementor = "NXP Software Ltd."},
+        .capability = Capability::make<Capability::environmentalReverb>(kEnvReverbCap)};
+
+static const std::vector<PresetReverb::Presets> kSupportedPresets{
+        ndk::enum_range<PresetReverb::Presets>().begin(),
+        ndk::enum_range<PresetReverb::Presets>().end()};
+static const PresetReverb::Capability kPresetReverbCap = {.supportedPresets = kSupportedPresets};
+
+// NXP SW auxiliary preset reverb
+static const std::string kAuxPresetReverbEffectName = "Auxiliary Preset Reverb";
+static const Descriptor kAuxPresetReverbDesc = {
+        .common = {.id = {.type = kPresetReverbTypeUUID,
+                          .uuid = kAuxPresetReverbImplUUID,
+                          .proxy = std::nullopt},
+                   .flags = {.type = Flags::Type::AUXILIARY},
+                   .cpuLoad = kCpuLoadARM9E,
+                   .memoryUsage = kMemUsage,
+                   .name = kAuxPresetReverbEffectName,
+                   .implementor = "NXP Software Ltd."},
+        .capability = Capability::make<Capability::presetReverb>(kPresetReverbCap)};
+
+// NXP SW insert preset reverb
+static const std::string kInsertPresetReverbEffectName = "Insert Preset Reverb";
+static const Descriptor kInsertPresetReverbDesc = {
+        .common = {.id = {.type = kPresetReverbTypeUUID,
+                          .uuid = kInsertPresetReverbImplUUID,
+                          .proxy = std::nullopt},
+                   .flags = {.type = Flags::Type::INSERT,
+                             .insert = Flags::Insert::FIRST,
+                             .volume = Flags::Volume::CTRL},
+                   .cpuLoad = kCpuLoadARM9E,
+                   .memoryUsage = kMemUsage,
+                   .name = kInsertPresetReverbEffectName,
+                   .implementor = "NXP Software Ltd."},
+        .capability = Capability::make<Capability::presetReverb>(kPresetReverbCap)};
+
+enum class ReverbEffectType {
+    AUX_ENV,
+    INSERT_ENV,
+    AUX_PRESET,
+    INSERT_PRESET,
+};
+
+inline std::ostream& operator<<(std::ostream& out, const ReverbEffectType& type) {
+    switch (type) {
+        case ReverbEffectType::AUX_ENV:
+            return out << kAuxEnvReverbEffectName;
+        case ReverbEffectType::INSERT_ENV:
+            return out << kInsertEnvReverbEffectName;
+        case ReverbEffectType::AUX_PRESET:
+            return out << kAuxPresetReverbEffectName;
+        case ReverbEffectType::INSERT_PRESET:
+            return out << kInsertPresetReverbEffectName;
+    }
+    return out << "EnumReverbEffectTypeError";
+}
+
+inline std::ostream& operator<<(std::ostream& out, const LVREV_ReturnStatus_en& status) {
+    switch (status) {
+        case LVREV_SUCCESS:
+            return out << "LVREV_SUCCESS";
+        case LVREV_NULLADDRESS:
+            return out << "LVREV_NULLADDRESS";
+        case LVREV_OUTOFRANGE:
+            return out << "LVREV_OUTOFRANGE";
+        case LVREV_INVALIDNUMSAMPLES:
+            return out << "LVREV_INVALIDNUMSAMPLES";
+        case LVREV_RETURNSTATUS_DUMMY:
+            return out << "LVREV_RETURNSTATUS_DUMMY";
+    }
+    return out << "EnumLvrevRetStatusError";
+}
+
+}  // namespace lvm
+}  // namespace aidl::android::hardware::audio::effect