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Diffstat (limited to 'services/audiopolicy/common/managerdefinitions/include/StreamDescriptor.h')
-rw-r--r-- | services/audiopolicy/common/managerdefinitions/include/StreamDescriptor.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/services/audiopolicy/common/managerdefinitions/include/StreamDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/StreamDescriptor.h new file mode 100644 index 0000000..84db5ab --- /dev/null +++ b/services/audiopolicy/common/managerdefinitions/include/StreamDescriptor.h @@ -0,0 +1,85 @@ +/* + * 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 <Volume.h> +#include <utils/KeyedVector.h> +#include <utils/StrongPointer.h> +#include <utils/SortedVector.h> +#include <hardware/audio.h> + +namespace android { + +// stream descriptor used for volume control +class StreamDescriptor +{ +public: + StreamDescriptor(); + + int getVolumeIndex(audio_devices_t device) const; + bool canBeMuted() const { return mCanBeMuted; } + void clearCurrentVolumeIndex(); + void addCurrentVolumeIndex(audio_devices_t device, int index); + int getVolumeIndexMin() const { return mIndexMin; } + int getVolumeIndexMax() const { return mIndexMax; } + void setVolumeIndexMin(int volIndexMin); + void setVolumeIndexMax(int volIndexMax); + + void dump(int fd) const; + + void setVolumeCurvePoint(Volume::device_category deviceCategory, const VolumeCurvePoint *point); + const VolumeCurvePoint *getVolumeCurvePoint(Volume::device_category deviceCategory) const + { + return mVolumeCurve[deviceCategory]; + } + +private: + const VolumeCurvePoint *mVolumeCurve[Volume::DEVICE_CATEGORY_CNT]; + KeyedVector<audio_devices_t, int> mIndexCur; /**< current volume index per device. */ + int mIndexMin; /**< min volume index. */ + int mIndexMax; /**< max volume index. */ + bool mCanBeMuted; /**< true is the stream can be muted. */ +}; + +/** + * stream descriptors collection for volume control + */ +class StreamDescriptorCollection : public DefaultKeyedVector<audio_stream_type_t, StreamDescriptor> +{ +public: + StreamDescriptorCollection(); + + void clearCurrentVolumeIndex(audio_stream_type_t stream); + void addCurrentVolumeIndex(audio_stream_type_t stream, audio_devices_t device, int index); + + bool canBeMuted(audio_stream_type_t stream); + + status_t dump(int fd) const; + + void setVolumeCurvePoint(audio_stream_type_t stream, + Volume::device_category deviceCategory, + const VolumeCurvePoint *point); + + const VolumeCurvePoint *getVolumeCurvePoint(audio_stream_type_t stream, + Volume::device_category deviceCategory) const; + + void setVolumeIndexMin(audio_stream_type_t stream,int volIndexMin); + void setVolumeIndexMax(audio_stream_type_t stream,int volIndexMax); + +}; + +}; // namespace android |