| /* |
| * 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 <StreamDescriptor.h> |
| #include <utils/KeyedVector.h> |
| #include <system/audio.h> |
| #include <utils/Errors.h> |
| #include <utils/RefBase.h> |
| |
| namespace android { |
| |
| class StreamDescriptor; |
| |
| class Gains |
| { |
| public : |
| static float volIndexToAmpl(Volume::device_category deviceCategory, |
| const StreamDescriptor& streamDesc, |
| int indexInUi); |
| |
| static float volIndexToDb(Volume::device_category deviceCategory, |
| const StreamDescriptor& streamDesc, |
| int indexInUi); |
| |
| // default volume curve |
| static const VolumeCurvePoint sDefaultVolumeCurve[Volume::VOLCNT]; |
| // default volume curve for media strategy |
| static const VolumeCurvePoint sDefaultMediaVolumeCurve[Volume::VOLCNT]; |
| // volume curve for non-media audio on ext media outputs (HDMI, Line, etc) |
| static const VolumeCurvePoint sExtMediaSystemVolumeCurve[Volume::VOLCNT]; |
| // volume curve for media strategy on speakers |
| static const VolumeCurvePoint sSpeakerMediaVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sSpeakerMediaVolumeCurveDrc[Volume::VOLCNT]; |
| // volume curve for sonification strategy on speakers |
| static const VolumeCurvePoint sSpeakerSonificationVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sSpeakerSonificationVolumeCurveDrc[Volume::VOLCNT]; |
| static const VolumeCurvePoint sDefaultSystemVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sDefaultSystemVolumeCurveDrc[Volume::VOLCNT]; |
| static const VolumeCurvePoint sHeadsetSystemVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sDefaultVoiceVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sSpeakerVoiceVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sLinearVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sSilentVolumeCurve[Volume::VOLCNT]; |
| static const VolumeCurvePoint sFullScaleVolumeCurve[Volume::VOLCNT]; |
| // default volume curves per stream and device category. See initializeVolumeCurves() |
| static const VolumeCurvePoint *sVolumeProfiles[AUDIO_STREAM_CNT][Volume::DEVICE_CATEGORY_CNT]; |
| }; |
| |
| }; // namespace android |