1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ST_AUDIO_POLICY_SERVICE_H 17 #define ST_AUDIO_POLICY_SERVICE_H 18 19 #include "audio_info.h" 20 #include "audio_policy_manager_factory.h" 21 #include "device_status_listener.h" 22 #include "iaudio_policy_interface.h" 23 #include "iport_observer.h" 24 #include "parser_factory.h" 25 26 #include <bitset> 27 #include <list> 28 #include <string> 29 #include <unordered_map> 30 31 namespace OHOS { 32 namespace AudioStandard { 33 class AudioPolicyService : public IPortObserver, public IDeviceStatusObserver { 34 public: GetAudioPolicyService()35 static AudioPolicyService& GetAudioPolicyService() 36 { 37 static AudioPolicyService audioPolicyService; 38 return audioPolicyService; 39 } 40 41 bool Init(void); 42 void Deinit(void); 43 void InitKVStore(); 44 bool ConnectServiceAdapter(); 45 46 int32_t SetStreamVolume(AudioStreamType streamType, float volume) const; 47 48 float GetStreamVolume(AudioStreamType streamType) const; 49 50 int32_t SetStreamMute(AudioStreamType streamType, bool mute) const; 51 52 bool GetStreamMute(AudioStreamType streamType) const; 53 54 bool IsStreamActive(AudioStreamType streamType) const; 55 56 std::vector<sptr<AudioDeviceDescriptor>> GetDevices(DeviceFlag deviceFlag); 57 58 int32_t SetDeviceActive(InternalDeviceType deviceType, bool active); 59 60 bool IsDeviceActive(InternalDeviceType deviceType) const; 61 62 int32_t SetRingerMode(AudioRingerMode ringMode); 63 64 bool IsAudioInterruptEnabled() const; 65 GetAudioFocusMap()66 auto& GetAudioFocusMap() const 67 { 68 return focusMap_; 69 } 70 71 AudioRingerMode GetRingerMode() const; 72 73 int32_t SetAudioScene(AudioScene audioScene); 74 75 AudioScene GetAudioScene() const; 76 77 // Parser callbacks 78 void OnXmlParsingCompleted(const std::unordered_map<ClassType, std::list<AudioModuleInfo>> &xmldata); 79 80 void OnAudioInterruptEnable(bool enable); 81 82 void OnDeviceStatusUpdated(DeviceType deviceType, bool connected, void *privData); 83 84 void OnServiceConnected(AudioServiceIndex serviceIndex); 85 86 int32_t SetAudioSessionCallback(AudioSessionCallback *callback); 87 88 int32_t SetDeviceChangeCallback(const int32_t clientId, const sptr<IRemoteObject> &object); 89 90 int32_t UnsetDeviceChangeCallback(const int32_t clientId); 91 92 private: AudioPolicyService()93 AudioPolicyService() 94 : mAudioPolicyManager(AudioPolicyManagerFactory::GetAudioPolicyManager()), 95 mConfigParser(ParserFactory::GetInstance().CreateParser(*this)) 96 { 97 mDeviceStatusListener = std::make_unique<DeviceStatusListener>(*this); 98 } 99 100 ~AudioPolicyService(); 101 102 std::string GetPortName(InternalDeviceType deviceType); 103 104 AudioIOHandle GetAudioIOHandle(InternalDeviceType deviceType); 105 106 InternalDeviceType GetDeviceType(const std::string &deviceName); 107 108 InternalDeviceType GetCurrentActiveDevice(DeviceRole role) const; 109 110 DeviceRole GetDeviceRole(DeviceType deviceType) const; 111 112 DeviceRole GetDeviceRole(const std::string &role); 113 114 int32_t ActivateNewDevice(DeviceType deviceType); 115 116 DeviceType FetchHighPriorityDevice(); 117 118 void UpdateConnectedDevices(DeviceType deviceType, std::vector<sptr<AudioDeviceDescriptor>> &desc, bool status); 119 120 void TriggerDeviceChangedCallback(const std::vector<sptr<AudioDeviceDescriptor>> &devChangeDesc, bool connection); 121 122 bool interruptEnabled_ = true; 123 int32_t mDefaultDeviceCount = 0; 124 std::bitset<MIN_SERVICE_COUNT> serviceFlag_; 125 DeviceType mCurrentActiveDevice = DEVICE_TYPE_NONE; 126 IAudioPolicyInterface& mAudioPolicyManager; 127 Parser& mConfigParser; 128 std::unique_ptr<DeviceStatusListener> mDeviceStatusListener; 129 std::vector<sptr<AudioDeviceDescriptor>> mConnectedDevices; 130 std::unordered_map<int32_t, sptr<IStandardAudioPolicyManagerListener>> deviceChangeCallbackMap_; 131 AudioScene mAudioScene = AUDIO_SCENE_DEFAULT; 132 std::map<std::pair<AudioStreamType, AudioStreamType>, AudioFocusEntry> focusMap_ = {}; 133 std::unordered_map<ClassType, std::list<AudioModuleInfo>> deviceClassInfo_ = {}; 134 std::unordered_map<std::string, AudioIOHandle> mIOHandles = {}; 135 std::vector<DeviceType> ioDeviceList = { 136 DEVICE_TYPE_BLUETOOTH_A2DP, 137 DEVICE_TYPE_USB_HEADSET, 138 DEVICE_TYPE_WIRED_HEADSET 139 }; 140 std::vector<DeviceType> priorityList = { 141 DEVICE_TYPE_BLUETOOTH_A2DP, 142 DEVICE_TYPE_USB_HEADSET, 143 DEVICE_TYPE_WIRED_HEADSET, 144 DEVICE_TYPE_SPEAKER 145 }; 146 }; 147 } // namespace AudioStandard 148 } // namespace OHOS 149 150 #endif // ST_AUDIO_POLICY_SERVICE_H 151