| /* |
| * Copyright (C) 2018 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 <EngineConfig.h> |
| #include <AudioPolicyManagerInterface.h> |
| #include <ProductStrategy.h> |
| #include <VolumeGroup.h> |
| |
| namespace android { |
| namespace audio_policy { |
| |
| class EngineBase : public AudioPolicyManagerInterface |
| { |
| public: |
| /// |
| /// from AudioPolicyManagerInterface |
| /// |
| android::status_t initCheck() override; |
| |
| void setObserver(AudioPolicyManagerObserver *observer) override; |
| |
| status_t setPhoneState(audio_mode_t mode) override; |
| |
| audio_mode_t getPhoneState() const override { return mPhoneState; } |
| |
| status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) override |
| { |
| mForceUse[usage] = config; |
| return NO_ERROR; |
| } |
| |
| audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage) const override |
| { |
| return mForceUse[usage]; |
| } |
| android::status_t setDeviceConnectionState(const sp<DeviceDescriptor> /*devDesc*/, |
| audio_policy_dev_state_t /*state*/) override |
| { |
| return NO_ERROR; |
| } |
| product_strategy_t getProductStrategyForAttributes( |
| const audio_attributes_t &attr) const override; |
| |
| audio_stream_type_t getStreamTypeForAttributes(const audio_attributes_t &attr) const override; |
| |
| audio_attributes_t getAttributesForStreamType(audio_stream_type_t stream) const override; |
| |
| StreamTypeVector getStreamTypesForProductStrategy(product_strategy_t ps) const override; |
| |
| AttributesVector getAllAttributesForProductStrategy(product_strategy_t ps) const override; |
| |
| StrategyVector getOrderedProductStrategies() const override; |
| |
| status_t listAudioProductStrategies(AudioProductStrategyVector &strategies) const override; |
| |
| VolumeCurves *getVolumeCurvesForAttributes(const audio_attributes_t &attr) const override; |
| |
| VolumeCurves *getVolumeCurvesForStreamType(audio_stream_type_t stream) const override; |
| |
| IVolumeCurves *getVolumeCurvesForVolumeGroup(volume_group_t group) const override |
| { |
| return mVolumeGroups.find(group) != end(mVolumeGroups) ? |
| mVolumeGroups.at(group)->getVolumeCurves() : nullptr; |
| } |
| |
| VolumeGroupVector getVolumeGroups() const override; |
| |
| volume_group_t getVolumeGroupForAttributes(const audio_attributes_t &attr) const override; |
| |
| volume_group_t getVolumeGroupForStreamType(audio_stream_type_t stream) const override; |
| |
| status_t listAudioVolumeGroups(AudioVolumeGroupVector &groups) const override; |
| |
| void dump(String8 *dst) const override; |
| |
| |
| engineConfig::ParsingResult loadAudioPolicyEngineConfig(); |
| |
| const ProductStrategyMap &getProductStrategies() const { return mProductStrategies; } |
| |
| ProductStrategyMap &getProductStrategies() { return mProductStrategies; } |
| |
| product_strategy_t getProductStrategyForStream(audio_stream_type_t stream) const; |
| |
| product_strategy_t getProductStrategyByName(const std::string &name) const; |
| |
| AudioPolicyManagerObserver *getApmObserver() const { return mApmObserver; } |
| |
| inline bool isInCall() const |
| { |
| return is_state_in_call(getPhoneState()); |
| } |
| |
| VolumeSource toVolumeSource(audio_stream_type_t stream) const |
| { |
| return static_cast<VolumeSource>(getVolumeGroupForStreamType(stream)); |
| } |
| |
| status_t switchVolumeCurve(audio_stream_type_t streamSrc, audio_stream_type_t streamDst); |
| |
| status_t restoreOriginVolumeCurve(audio_stream_type_t stream); |
| |
| private: |
| AudioPolicyManagerObserver *mApmObserver = nullptr; |
| |
| ProductStrategyMap mProductStrategies; |
| VolumeGroupMap mVolumeGroups; |
| audio_mode_t mPhoneState = AUDIO_MODE_NORMAL; /**< current phone state. */ |
| |
| /** current forced use configuration. */ |
| audio_policy_forced_cfg_t mForceUse[AUDIO_POLICY_FORCE_USE_CNT] = {}; |
| }; |
| |
| } // namespace audio_policy |
| } // namespace android |