1 /* 2 * Copyright (c) 2023-2025 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 BLUETOOTH_SCO_MANAGER_H 17 #define BLUETOOTH_SCO_MANAGER_H 18 19 #include "bluetooth_a2dp_src.h" 20 #include "bluetooth_a2dp_codec.h" 21 #include "bluetooth_avrcp_tg.h" 22 #include "bluetooth_hfp_ag.h" 23 #include "audio_info.h" 24 #include "bluetooth_device_utils.h" 25 #include "audio_timer.h" 26 27 namespace OHOS { 28 namespace Bluetooth { 29 class BluetoothScoManager { 30 public: 31 static BluetoothScoManager &GetInstance(); 32 33 void UpdateScoState(HfpScoConnectState scoState, const BluetoothRemoteDevice &device, int reason = 0); 34 int32_t HandleScoConnect(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 35 int32_t HandleScoDisconnect(const BluetoothRemoteDevice &device); 36 AudioScoState GetAudioScoState(); 37 ScoCategory GetAudioScoCategory(); 38 void ResetScoState(const BluetoothRemoteDevice &device); 39 BluetoothRemoteDevice GetAudioScoDevice(); 40 bool IsInScoCategory(ScoCategory scoCategory); 41 42 private: 43 struct ScoCacheRequest { 44 bool connectReq = false; 45 ScoCategory category = ScoCategory::SCO_DEFAULT; 46 BluetoothRemoteDevice device; 47 }; 48 49 BluetoothScoManager(); 50 ~BluetoothScoManager() = default; 51 52 uint32_t scoStateDuration_ = 3; /* 3: seconds */ 53 BluetoothRemoteDevice currentScoDevice_; 54 AudioScoState currentScoState_ = AudioScoState::INIT; 55 ScoCategory currentScoCategory_ = ScoCategory::SCO_DEFAULT; 56 std::shared_ptr<ScoCacheRequest> cacheReq_; 57 std::shared_ptr<AudioStandard::AudioTimer> scoTimer_; 58 std::mutex scoLock_; 59 60 void UpdateScoStateWhenDisconnected(HfpScoConnectState scoState, const BluetoothRemoteDevice &device, int reason); 61 void UpdateScoStateWhenConnected(HfpScoConnectState scoState, const BluetoothRemoteDevice &device, int reason); 62 void UpdateScoStateWhenConnecting(HfpScoConnectState scoState, const BluetoothRemoteDevice &device, int reason); 63 void UpdateScoStateWhenDisconnecting(HfpScoConnectState scoState, const BluetoothRemoteDevice &device, int reason); 64 void WriteScoStateFaultEvent(HfpScoConnectState scoState, const BluetoothRemoteDevice &device, int reason); 65 int32_t HandleScoConnectNoLock(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 66 int32_t HandleScoDisconnectNoLock(const BluetoothRemoteDevice &device); 67 int32_t ProcConnectReqWhenDisconnected(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 68 int32_t ProcConnectReqWhenConnected(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 69 int32_t ProcConnectReqWhenConnecting(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 70 int32_t ProcConnectReqWhenDiconnecting(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 71 int32_t ProcDisconnectReqWhenConnected(const BluetoothRemoteDevice &device); 72 int32_t ProcDisconnectReqWhenConnecting(const BluetoothRemoteDevice &device); 73 bool IsNeedSwitchScoCategory(ScoCategory scoCategory); 74 int32_t SaveRequestToCache(bool isConnect, ScoCategory scoCategory, const BluetoothRemoteDevice &device, 75 const std::string &reason); 76 bool IsSameHfpDevice(const BluetoothRemoteDevice &device1, const BluetoothRemoteDevice &device2); 77 int32_t ConnectSco(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 78 int32_t TryRestoreHfpDevice(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 79 int32_t DisconnectSco(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 80 int32_t DisconnectScoReliable(ScoCategory scoCategory, const BluetoothRemoteDevice &device); 81 void SetAudioScoState(AudioScoState state); 82 void OnScoStateTimeOut(); 83 void ForceUpdateScoCategory(); 84 void ProcCacheRequest(); 85 }; 86 } 87 } 88 #endif