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 | |
| 24 | #include "effect-impl/EffectThread.h" |
| 25 | |
| 26 | namespace aidl::android::hardware::audio::effect { |
| 27 | |
| 28 | class EqualizerSwWorker : public EffectThread { |
| 29 | // EqualizerSwWorker(const std::string name){EffectThread(name)}; |
| 30 | void process() override; |
| 31 | }; |
| 32 | |
| 33 | class EqualizerSw : public BnEffect { |
| 34 | public: |
| 35 | EqualizerSw() { |
| 36 | // create the worker |
| 37 | mWorker = std::make_unique<EqualizerSwWorker>(); |
| 38 | LOG(DEBUG) << __func__; |
| 39 | }; |
| 40 | ~EqualizerSw() { |
| 41 | cleanUp(); |
| 42 | LOG(DEBUG) << __func__; |
| 43 | }; |
| 44 | ndk::ScopedAStatus open(const Parameter::Common& common, const Parameter::Specific& specific, |
| 45 | OpenEffectReturn* _aidl_return) override; |
| 46 | ndk::ScopedAStatus close() override; |
| 47 | ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override; |
| 48 | |
| 49 | ndk::ScopedAStatus getState(State* _aidl_return) override; |
| 50 | ndk::ScopedAStatus command(CommandId in_commandId) override; |
| 51 | ndk::ScopedAStatus setParameter(const Parameter& in_param) override; |
| 52 | ndk::ScopedAStatus getParameter(const Parameter::Id& in_paramId, |
| 53 | Parameter* _aidl_return) override; |
| 54 | |
| 55 | private: |
| 56 | // effect processing thread. |
| 57 | std::unique_ptr<EqualizerSwWorker> mWorker; |
| 58 | // Effect descriptor. |
| 59 | const Descriptor mDesc = { |
| 60 | .common = {.id = {.type = EqualizerTypeUUID, .uuid = EqualizerSwImplUUID}}}; |
| 61 | |
| 62 | // Parameters. |
| 63 | Parameter::Common mCommonParam; |
| 64 | Equalizer mEqualizerParam; // TODO: the equalizer parameter needs to update |
| 65 | |
| 66 | // Instance state INIT by default. |
| 67 | State mState = State::INIT; |
| 68 | |
| 69 | typedef ::android::AidlMessageQueue< |
| 70 | Status, ::aidl::android::hardware::common::fmq::SynchronizedReadWrite> |
| 71 | StatusMQ; |
| 72 | typedef ::android::AidlMessageQueue< |
| 73 | int8_t, ::aidl::android::hardware::common::fmq::SynchronizedReadWrite> |
| 74 | DataMQ; |
| 75 | |
| 76 | std::unique_ptr<StatusMQ> mStatusMQ; |
| 77 | std::unique_ptr<DataMQ> mInputMQ; |
| 78 | std::unique_ptr<DataMQ> mOutputMQ; |
| 79 | |
| 80 | ndk::ScopedAStatus setCommonParameter(const Parameter::Common& common_param); |
| 81 | ndk::ScopedAStatus setSpecificParameter(const Parameter::Specific& specific); |
| 82 | bool createFmq(int statusDepth, int inBufferSize, int outBufferSize, OpenEffectReturn* ret); |
| 83 | void destroyFmq(); |
| 84 | void cleanUp(); |
| 85 | }; |
| 86 | } // namespace aidl::android::hardware::audio::effect |