86 lines
4.3 KiB
C++
86 lines
4.3 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
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#define ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
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#include <aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.h>
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#include <aidl/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.h>
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#include <aidl/android/hardware/automotive/audiocontrol/BnAudioControl.h>
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#include <aidl/android/hardware/automotive/audiocontrol/DuckingInfo.h>
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#include <aidl/android/hardware/automotive/audiocontrol/IAudioGainCallback.h>
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#include <aidl/android/hardware/automotive/audiocontrol/MutingInfo.h>
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#include <aidl/android/hardware/automotive/audiocontrol/Reasons.h>
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#include <aidl/android/hardware/audio/common/PlaybackTrackMetadata.h>
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namespace aidl::android::hardware::automotive::audiocontrol {
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namespace audiohalcommon = ::aidl::android::hardware::audio::common;
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namespace audiomediacommon = ::aidl::android::media::audio::common;
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class AudioControl : public BnAudioControl {
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public:
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ndk::ScopedAStatus onAudioFocusChange(const std::string& in_usage, int32_t in_zoneId,
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AudioFocusChange in_focusChange) override;
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ndk::ScopedAStatus onDevicesToDuckChange(
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const std::vector<DuckingInfo>& in_duckingInfos) override;
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ndk::ScopedAStatus onDevicesToMuteChange(
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const std::vector<MutingInfo>& in_mutingInfos) override;
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ndk::ScopedAStatus registerFocusListener(
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const std::shared_ptr<IFocusListener>& in_listener) override;
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ndk::ScopedAStatus setBalanceTowardRight(float in_value) override;
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ndk::ScopedAStatus setFadeTowardFront(float in_value) override;
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ndk::ScopedAStatus onAudioFocusChangeWithMetaData(
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const audiohalcommon::PlaybackTrackMetadata& in_playbackMetaData, int32_t in_zoneId,
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AudioFocusChange in_focusChange) override;
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ndk::ScopedAStatus setAudioDeviceGainsChanged(
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const std::vector<Reasons>& in_reasons,
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const std::vector<AudioGainConfigInfo>& in_gains) override;
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ndk::ScopedAStatus registerGainCallback(
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const std::shared_ptr<IAudioGainCallback>& in_callback) override;
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binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
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private:
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// This focus listener will only be used by this HAL instance to communicate with
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// a single instance of CarAudioService. As such, it doesn't have explicit serialization.
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// If a different AudioControl implementation were to have multiple threads leveraging this
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// listener, then it should also include mutexes or make the listener atomic.
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std::shared_ptr<IFocusListener> mFocusListener;
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/**
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* @brief mAudioGainCallback will be used by this HAL instance to communicate e.g. with a single
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* instance of CarAudioService to report unexpected gain changed.
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*/
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std::shared_ptr<IAudioGainCallback> mAudioGainCallback = nullptr;
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binder_status_t cmdHelp(int fd) const;
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binder_status_t cmdRequestFocus(int fd, const char** args, uint32_t numArgs);
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binder_status_t cmdAbandonFocus(int fd, const char** args, uint32_t numArgs);
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binder_status_t cmdRequestFocusWithMetaData(int fd, const char** args, uint32_t numArgs);
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binder_status_t cmdAbandonFocusWithMetaData(int fd, const char** args, uint32_t numArgs);
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binder_status_t cmdOnAudioDeviceGainsChanged(int fd, const char** args, uint32_t numArgs);
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binder_status_t parseMetaData(int fd, const std::string& metadataLiteral,
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audiohalcommon::PlaybackTrackMetadata& trackMetadata);
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binder_status_t dumpsys(int fd);
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};
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} // namespace aidl::android::hardware::automotive::audiocontrol
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#endif // ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
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