| /* |
| * 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 <media/AudioCommonTypes.h> |
| #include <system/audio.h> |
| #include <system/audio_policy.h> |
| #include <binder/Parcelable.h> |
| |
| namespace android { |
| |
| class AudioAttributes : public Parcelable |
| { |
| public: |
| AudioAttributes() = default; |
| AudioAttributes(const audio_attributes_t &attributes) : mAttributes(attributes) {} |
| AudioAttributes(volume_group_t groupId, |
| audio_stream_type_t stream, |
| const audio_attributes_t &attributes) : |
| mAttributes(attributes), mStreamType(stream), mGroupId(groupId) {} |
| |
| audio_attributes_t getAttributes() const { return mAttributes; } |
| |
| status_t readFromParcel(const Parcel *parcel) override; |
| status_t writeToParcel(Parcel *parcel) const override; |
| |
| audio_stream_type_t getStreamType() const { return mStreamType; } |
| volume_group_t getGroupId() const { return mGroupId; } |
| |
| private: |
| audio_attributes_t mAttributes = AUDIO_ATTRIBUTES_INITIALIZER; |
| /** |
| * @brief mStreamType: for legacy volume management, we need to be able to convert an attribute |
| * to a given stream type. |
| */ |
| audio_stream_type_t mStreamType = AUDIO_STREAM_DEFAULT; |
| |
| /** |
| * @brief mGroupId: for future volume management, define groups within a strategy that follows |
| * the same curves of volume (extension of stream types to manage volume) |
| */ |
| volume_group_t mGroupId = VOLUME_GROUP_NONE; |
| }; |
| |
| } // namespace android |