| /* |
| * 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 <Volume.h> |
| #include <media/AudioContainers.h> |
| #include <system/audio.h> |
| #include <utils/Errors.h> |
| #include <utils/String8.h> |
| #include <vector> |
| |
| namespace android { |
| |
| class IVolumeCurves |
| { |
| public: |
| virtual ~IVolumeCurves() = default; |
| |
| virtual void clearCurrentVolumeIndex() = 0; |
| virtual void addCurrentVolumeIndex(audio_devices_t device, int index) = 0; |
| virtual bool canBeMuted() const = 0; |
| virtual int getVolumeIndexMin() const = 0; |
| virtual int getVolumeIndex(const DeviceTypeSet& device) const = 0; |
| virtual int getVolumeIndexMax() const = 0; |
| virtual float volIndexToDb(device_category device, int indexInUi) const = 0; |
| virtual bool hasVolumeIndexForDevice(audio_devices_t device) const = 0; |
| virtual status_t initVolume(int indexMin, int indexMax) = 0; |
| virtual std::vector<audio_attributes_t> getAttributes() const = 0; |
| virtual std::vector<audio_stream_type_t> getStreamTypes() const = 0; |
| virtual void dump(String8 *dst, int spaces = 0, bool curvePoints = false) const = 0; |
| }; |
| |
| } // namespace android |
