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Diffstat (limited to 'services/audiopolicy/enginedefault/src/Gains.h')
| -rw-r--r-- | services/audiopolicy/enginedefault/src/Gains.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/services/audiopolicy/enginedefault/src/Gains.h b/services/audiopolicy/enginedefault/src/Gains.h new file mode 100644 index 0000000..b5601ca --- /dev/null +++ b/services/audiopolicy/enginedefault/src/Gains.h @@ -0,0 +1,59 @@ +/* + * 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(audio_devices_t device, 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 |