Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2022 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
| 19 | #include <aidl/android/hardware/audio/effect/BnEffect.h> |
| 20 | #include <fmq/AidlMessageQueue.h> |
| 21 | #include <cstdlib> |
| 22 | #include <memory> |
| 23 | |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 24 | #include "effect-impl/EffectContext.h" |
| 25 | #include "effect-impl/EffectTypes.h" |
| 26 | #include "effect-impl/EffectUUID.h" |
| 27 | #include "effect-impl/EffectWorker.h" |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 28 | |
| 29 | namespace aidl::android::hardware::audio::effect { |
| 30 | |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 31 | class EqualizerSwContext : public EffectContext { |
| 32 | public: |
| 33 | EqualizerSwContext(int statusDepth, int inBufferSize, int outBufferSize) |
| 34 | : EffectContext(statusDepth, inBufferSize, outBufferSize) { |
| 35 | LOG(DEBUG) << __func__; |
| 36 | } |
| 37 | |
| 38 | private: |
| 39 | // Add equalizer specific context for processing here |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 40 | }; |
| 41 | |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 42 | class EqualizerSw : public BnEffect, EffectWorker { |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 43 | public: |
| 44 | EqualizerSw() { |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 45 | Equalizer::Capability eqCap = {.bandFrequencies = mBandFrequency, .presets = mPresets}; |
| 46 | mDesc.capability.set<Capability::equalizer>(eqCap); |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 47 | LOG(DEBUG) << __func__; |
| 48 | }; |
| 49 | ~EqualizerSw() { |
| 50 | cleanUp(); |
| 51 | LOG(DEBUG) << __func__; |
| 52 | }; |
| 53 | ndk::ScopedAStatus open(const Parameter::Common& common, const Parameter::Specific& specific, |
| 54 | OpenEffectReturn* _aidl_return) override; |
| 55 | ndk::ScopedAStatus close() override; |
| 56 | ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override; |
| 57 | |
| 58 | ndk::ScopedAStatus getState(State* _aidl_return) override; |
| 59 | ndk::ScopedAStatus command(CommandId in_commandId) override; |
| 60 | ndk::ScopedAStatus setParameter(const Parameter& in_param) override; |
| 61 | ndk::ScopedAStatus getParameter(const Parameter::Id& in_paramId, |
| 62 | Parameter* _aidl_return) override; |
| 63 | |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 64 | IEffect::Status effectProcessImpl() override; |
| 65 | |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 66 | private: |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 67 | // Effect descriptor. |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 68 | Descriptor mDesc = {.common = {.id = {.type = EqualizerTypeUUID, .uuid = EqualizerSwImplUUID}}}; |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 69 | |
| 70 | // Parameters. |
| 71 | Parameter::Common mCommonParam; |
| 72 | Equalizer mEqualizerParam; // TODO: the equalizer parameter needs to update |
| 73 | |
| 74 | // Instance state INIT by default. |
| 75 | State mState = State::INIT; |
| 76 | |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 77 | int mPreset = PRESET_CUSTOM; // the current preset |
| 78 | const std::vector<Equalizer::BandFrequency> mBandFrequency = {{0, 30000, 120000}, |
| 79 | {1, 120001, 460000}, |
| 80 | {2, 460001, 1800000}, |
| 81 | {3, 1800001, 7000000}, |
| 82 | {4, 7000001, 20000000}}; |
| 83 | // preset band level |
| 84 | std::vector<Equalizer::BandLevel> mBandLevels = {{0, 3}, {1, 0}, {2, 0}, {3, 0}, {4, 3}}; |
| 85 | // presets supported by the device |
| 86 | const std::vector<Equalizer::Preset> mPresets = { |
| 87 | {0, "Normal"}, {1, "Classical"}, {2, "Dance"}, {3, "Flat"}, {4, "Folk"}, |
| 88 | {5, "Heavy Metal"}, {6, "Hip Hop"}, {7, "Jazz"}, {8, "Pop"}, {9, "Rock"}}; |
| 89 | static const int NUM_OF_BANDS = 5; |
| 90 | static const int NUM_OF_PRESETS = 10; |
| 91 | static const int PRESET_CUSTOM = -1; |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 92 | |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 93 | // Equalizer worker context |
| 94 | std::shared_ptr<EqualizerSwContext> mContext; |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 95 | |
| 96 | ndk::ScopedAStatus setCommonParameter(const Parameter::Common& common_param); |
| 97 | ndk::ScopedAStatus setSpecificParameter(const Parameter::Specific& specific); |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 98 | ndk::ScopedAStatus getSpecificParameter(Parameter::Specific::Id id, |
| 99 | Parameter::Specific* specific); |
| 100 | |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 101 | void cleanUp(); |
Shunkai Yao | a4ab38c | 2022-10-14 01:07:47 +0000 | [diff] [blame] | 102 | |
| 103 | IEffect::Status status(binder_status_t status, size_t consumed, size_t produced); |
Shunkai Yao | ea24c1a | 2022-09-28 17:39:23 +0000 | [diff] [blame] | 104 | }; |
| 105 | } // namespace aidl::android::hardware::audio::effect |