Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #ifndef ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H |
| 17 | #define ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H |
| 18 | |
| 19 | #include <aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.h> |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 20 | #include <aidl/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.h> |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 21 | #include <aidl/android/hardware/automotive/audiocontrol/BnAudioControl.h> |
Hayden Gomes | ad81670 | 2020-12-14 15:29:29 -0800 | [diff] [blame] | 22 | #include <aidl/android/hardware/automotive/audiocontrol/DuckingInfo.h> |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 23 | #include <aidl/android/hardware/automotive/audiocontrol/IAudioGainCallback.h> |
Oscar Azucena | b8e5cd0 | 2020-12-16 13:53:14 -0800 | [diff] [blame] | 24 | #include <aidl/android/hardware/automotive/audiocontrol/MutingInfo.h> |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 25 | #include <aidl/android/hardware/automotive/audiocontrol/Reasons.h> |
| 26 | |
| 27 | #include <aidl/android/hardware/audio/common/PlaybackTrackMetadata.h> |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 28 | |
| 29 | namespace aidl::android::hardware::automotive::audiocontrol { |
| 30 | |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 31 | namespace audiohalcommon = ::aidl::android::hardware::audio::common; |
| 32 | namespace audiomediacommon = ::aidl::android::media::audio::common; |
| 33 | |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 34 | class AudioControl : public BnAudioControl { |
| 35 | public: |
| 36 | ndk::ScopedAStatus onAudioFocusChange(const std::string& in_usage, int32_t in_zoneId, |
| 37 | AudioFocusChange in_focusChange) override; |
Hayden Gomes | ad81670 | 2020-12-14 15:29:29 -0800 | [diff] [blame] | 38 | ndk::ScopedAStatus onDevicesToDuckChange( |
| 39 | const std::vector<DuckingInfo>& in_duckingInfos) override; |
Oscar Azucena | b8e5cd0 | 2020-12-16 13:53:14 -0800 | [diff] [blame] | 40 | ndk::ScopedAStatus onDevicesToMuteChange( |
| 41 | const std::vector<MutingInfo>& in_mutingInfos) override; |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 42 | ndk::ScopedAStatus registerFocusListener( |
Hayden Gomes | 6333eed | 2021-03-25 11:27:59 -0700 | [diff] [blame] | 43 | const std::shared_ptr<IFocusListener>& in_listener) override; |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 44 | ndk::ScopedAStatus setBalanceTowardRight(float in_value) override; |
| 45 | ndk::ScopedAStatus setFadeTowardFront(float in_value) override; |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 46 | ndk::ScopedAStatus onAudioFocusChangeWithMetaData( |
| 47 | const audiohalcommon::PlaybackTrackMetadata& in_playbackMetaData, int32_t in_zoneId, |
| 48 | AudioFocusChange in_focusChange) override; |
| 49 | ndk::ScopedAStatus setAudioDeviceGainsChanged( |
| 50 | const std::vector<Reasons>& in_reasons, |
| 51 | const std::vector<AudioGainConfigInfo>& in_gains) override; |
| 52 | ndk::ScopedAStatus registerGainCallback( |
| 53 | const std::shared_ptr<IAudioGainCallback>& in_callback) override; |
| 54 | |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 55 | binder_status_t dump(int fd, const char** args, uint32_t numArgs) override; |
| 56 | |
| 57 | private: |
| 58 | // This focus listener will only be used by this HAL instance to communicate with |
| 59 | // a single instance of CarAudioService. As such, it doesn't have explicit serialization. |
| 60 | // If a different AudioControl implementation were to have multiple threads leveraging this |
| 61 | // listener, then it should also include mutexes or make the listener atomic. |
Hayden Gomes | 6333eed | 2021-03-25 11:27:59 -0700 | [diff] [blame] | 62 | std::shared_ptr<IFocusListener> mFocusListener; |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 63 | |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 64 | /** |
| 65 | * @brief mAudioGainCallback will be used by this HAL instance to communicate e.g. with a single |
| 66 | * instance of CarAudioService to report unexpected gain changed. |
| 67 | */ |
| 68 | std::shared_ptr<IAudioGainCallback> mAudioGainCallback = nullptr; |
| 69 | |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 70 | binder_status_t cmdHelp(int fd) const; |
| 71 | binder_status_t cmdRequestFocus(int fd, const char** args, uint32_t numArgs); |
| 72 | binder_status_t cmdAbandonFocus(int fd, const char** args, uint32_t numArgs); |
Francois Gaffie | 8a69308 | 2022-02-08 17:40:14 +0100 | [diff] [blame] | 73 | binder_status_t cmdRequestFocusWithMetaData(int fd, const char** args, uint32_t numArgs); |
| 74 | binder_status_t cmdAbandonFocusWithMetaData(int fd, const char** args, uint32_t numArgs); |
| 75 | binder_status_t cmdOnAudioDeviceGainsChanged(int fd, const char** args, uint32_t numArgs); |
| 76 | |
| 77 | binder_status_t parseMetaData(int fd, const std::string& metadataLiteral, |
| 78 | audiohalcommon::PlaybackTrackMetadata& trackMetadata); |
| 79 | |
Hayden Gomes | aeeb9b0 | 2020-10-27 13:08:34 -0700 | [diff] [blame] | 80 | binder_status_t dumpsys(int fd); |
| 81 | }; |
| 82 | |
| 83 | } // namespace aidl::android::hardware::automotive::audiocontrol |
| 84 | |
| 85 | #endif // ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H |