| /* |
| * Copyright (C) 2015 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 "FormattedSubsystemObject.h" |
| #include "InstanceConfigurableElement.h" |
| #include "MappingContext.h" |
| #include <Volume.h> |
| #include <AudioPolicyPluginInterface.h> |
| #include <string> |
| |
| class PolicySubsystem; |
| |
| class VolumeProfile : public CFormattedSubsystemObject |
| { |
| private: |
| struct Point |
| { |
| int index; |
| /** Volume is using FixedPointParameter until float parameters are available. */ |
| int16_t dbAttenuation; |
| } __attribute__((packed)); |
| |
| public: |
| VolumeProfile(const std::string &mappingValue, |
| CInstanceConfigurableElement *instanceConfigurableElement, |
| const CMappingContext &context); |
| |
| protected: |
| virtual bool receiveFromHW(std::string &error); |
| virtual bool sendToHW(std::string &error); |
| |
| private: |
| const PolicySubsystem *mPolicySubsystem; /**< Route subsytem plugin. */ |
| |
| /** |
| * Interface to communicate with Audio Policy Engine. |
| */ |
| android::AudioPolicyPluginInterface *mPolicyPluginInterface; |
| |
| /** |
| * volume profile identifier, which is in fact a stream type to link with audio.h. |
| */ |
| audio_stream_type_t mId; |
| |
| size_t mPoints; |
| Volume::device_category mCategory; |
| |
| static const uint32_t gFractional = 8; /**< Beware to align with the structure. */ |
| }; |