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1 /*
2  * Copyright (c) 2021-2023 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 #ifndef LOG_TAG
16 #define LOG_TAG "AudioBluetoothManager"
17 #endif
18 
19 #include "audio_bluetooth_manager.h"
20 #include "bluetooth_def.h"
21 #include "audio_errors.h"
22 #include "audio_common_log.h"
23 #include "bluetooth_audio_manager.h"
24 #include "bluetooth_device_manager.h"
25 #include "bluetooth_device_utils.h"
26 #include "bluetooth_hfp_ag.h"
27 
28 namespace OHOS {
29 namespace Bluetooth {
30 using namespace AudioStandard;
31 
32 A2dpSource *AudioA2dpManager::a2dpInstance_ = nullptr;
33 std::shared_ptr<AudioA2dpListener> AudioA2dpManager::a2dpListener_ = std::make_shared<AudioA2dpListener>();
34 int AudioA2dpManager::connectionState_ = static_cast<int>(BTConnectState::DISCONNECTED);
35 BluetoothRemoteDevice AudioA2dpManager::activeA2dpDevice_;
36 std::mutex g_a2dpInstanceLock;
37 HandsFreeAudioGateway *AudioHfpManager::hfpInstance_ = nullptr;
38 std::shared_ptr<AudioHfpListener> AudioHfpManager::hfpListener_ = std::make_shared<AudioHfpListener>();
39 AudioScene AudioHfpManager::scene_ = AUDIO_SCENE_DEFAULT;
40 AudioScene AudioHfpManager::sceneFromPolicy_ = AUDIO_SCENE_DEFAULT;
41 OHOS::Bluetooth::ScoCategory AudioHfpManager::scoCategory = OHOS::Bluetooth::ScoCategory::SCO_DEFAULT;
42 OHOS::Bluetooth::RecognitionStatus AudioHfpManager::recognitionStatus =
43     OHOS::Bluetooth::RecognitionStatus::RECOGNITION_DISCONNECTED;
44 BluetoothRemoteDevice AudioHfpManager::activeHfpDevice_;
45 std::vector<std::shared_ptr<AudioA2dpPlayingStateChangedListener>> AudioA2dpManager::a2dpPlayingStateChangedListeners_;
46 std::mutex g_activehfpDeviceLock;
47 std::mutex g_audioSceneLock;
48 std::mutex g_hfpInstanceLock;
49 std::mutex g_a2dpPlayingStateChangedLock;
50 
GetAudioStreamInfo(A2dpCodecInfo codecInfo,AudioStreamInfo & audioStreamInfo)51 static bool GetAudioStreamInfo(A2dpCodecInfo codecInfo, AudioStreamInfo &audioStreamInfo)
52 {
53     AUDIO_DEBUG_LOG("codec info rate[%{public}d]  format[%{public}d]  channel[%{public}d]",
54         codecInfo.sampleRate, codecInfo.bitsPerSample, codecInfo.channelMode);
55     switch (codecInfo.sampleRate) {
56         case A2DP_SBC_SAMPLE_RATE_48000_USER:
57         case A2DP_L2HCV2_SAMPLE_RATE_48000_USER:
58             audioStreamInfo.samplingRate = SAMPLE_RATE_48000;
59             break;
60         case A2DP_SBC_SAMPLE_RATE_44100_USER:
61             audioStreamInfo.samplingRate = SAMPLE_RATE_44100;
62             break;
63         case A2DP_SBC_SAMPLE_RATE_32000_USER:
64             audioStreamInfo.samplingRate = SAMPLE_RATE_32000;
65             break;
66         case A2DP_SBC_SAMPLE_RATE_16000_USER:
67             audioStreamInfo.samplingRate = SAMPLE_RATE_16000;
68             break;
69         case A2DP_L2HCV2_SAMPLE_RATE_96000_USER:
70             audioStreamInfo.samplingRate = SAMPLE_RATE_96000;
71             break;
72         default:
73             return false;
74     }
75     switch (codecInfo.bitsPerSample) {
76         case A2DP_SAMPLE_BITS_16_USER:
77             audioStreamInfo.format = SAMPLE_S16LE;
78             break;
79         case A2DP_SAMPLE_BITS_24_USER:
80             audioStreamInfo.format = SAMPLE_S24LE;
81             break;
82         case A2DP_SAMPLE_BITS_32_USER:
83             audioStreamInfo.format = SAMPLE_S32LE;
84             break;
85         default:
86             return false;
87     }
88     switch (codecInfo.channelMode) {
89         case A2DP_SBC_CHANNEL_MODE_STEREO_USER:
90             audioStreamInfo.channels = STEREO;
91             break;
92         case A2DP_SBC_CHANNEL_MODE_MONO_USER:
93             audioStreamInfo.channels = MONO;
94             break;
95         default:
96             return false;
97     }
98     audioStreamInfo.encoding = ENCODING_PCM;
99     return true;
100 }
101 
102 // LCOV_EXCL_START
RegisterBluetoothA2dpListener()103 void AudioA2dpManager::RegisterBluetoothA2dpListener()
104 {
105     AUDIO_INFO_LOG("AudioA2dpManager::RegisterBluetoothA2dpListener");
106     std::lock_guard<std::mutex> a2dpLock(g_a2dpInstanceLock);
107     a2dpInstance_ = A2dpSource::GetProfile();
108     CHECK_AND_RETURN_LOG(a2dpInstance_ != nullptr, "Failed to obtain A2DP profile instance");
109     a2dpInstance_->RegisterObserver(a2dpListener_);
110 }
111 
UnregisterBluetoothA2dpListener()112 void AudioA2dpManager::UnregisterBluetoothA2dpListener()
113 {
114     AUDIO_INFO_LOG("AudioA2dpManager::UnregisterBluetoothA2dpListener");
115     std::lock_guard<std::mutex> a2dpLock(g_a2dpInstanceLock);
116     CHECK_AND_RETURN_LOG(a2dpInstance_ != nullptr, "A2DP profile instance unavailable");
117     a2dpInstance_->DeregisterObserver(a2dpListener_);
118     a2dpInstance_ = nullptr;
119 }
120 
DisconnectBluetoothA2dpSink()121 void AudioA2dpManager::DisconnectBluetoothA2dpSink()
122 {
123     int connectionState = static_cast<int>(BTConnectState::DISCONNECTED);
124     auto a2dpList = MediaBluetoothDeviceManager::GetAllA2dpBluetoothDevice();
125     for (const auto &device : a2dpList) {
126         a2dpListener_->OnConnectionStateChanged(device, connectionState,
127             static_cast<uint32_t>(ConnChangeCause::CONNECT_CHANGE_COMMON_CAUSE));
128     }
129 
130     auto virtualDevices = MediaBluetoothDeviceManager::GetA2dpVirtualDeviceList();
131     for (const auto &virtualDevice : virtualDevices) {
132         a2dpListener_->OnVirtualDeviceChanged(static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_REMOVE),
133             virtualDevice.GetDeviceAddr());
134     }
135 
136     MediaBluetoothDeviceManager::ClearAllA2dpBluetoothDevice();
137 }
138 
SetActiveA2dpDevice(const std::string & macAddress)139 int32_t AudioA2dpManager::SetActiveA2dpDevice(const std::string& macAddress)
140 {
141     std::lock_guard<std::mutex> a2dpLock(g_a2dpInstanceLock);
142     AUDIO_WARNING_LOG("incoming device:%{public}s, current device:%{public}s",
143         GetEncryptAddr(macAddress).c_str(), GetEncryptAddr(activeA2dpDevice_.GetDeviceAddr()).c_str());
144     a2dpInstance_ = A2dpSource::GetProfile();
145     CHECK_AND_RETURN_RET_LOG(a2dpInstance_ != nullptr, ERROR, "Failed to obtain A2DP profile instance");
146     BluetoothRemoteDevice device;
147     if (macAddress != "") {
148         int32_t tmp = MediaBluetoothDeviceManager::GetConnectedA2dpBluetoothDevice(macAddress, device);
149         CHECK_AND_RETURN_RET_LOG(tmp == SUCCESS, ERROR, "the configuring A2DP device doesn't exist.");
150     } else {
151         AUDIO_INFO_LOG("Deactive A2DP device");
152     }
153     int32_t ret = a2dpInstance_->SetActiveSinkDevice(device);
154     CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR, "SetActiveA2dpDevice failed. result: %{public}d", ret);
155     activeA2dpDevice_ = device;
156     return SUCCESS;
157 }
158 
GetActiveA2dpDevice()159 std::string AudioA2dpManager::GetActiveA2dpDevice()
160 {
161     std::lock_guard<std::mutex> a2dpLock(g_a2dpInstanceLock);
162     a2dpInstance_ = A2dpSource::GetProfile();
163     CHECK_AND_RETURN_RET_LOG(a2dpInstance_ != nullptr, "", "Failed to obtain A2DP profile instance");
164     BluetoothRemoteDevice device = a2dpInstance_->GetActiveSinkDevice();
165     return device.GetDeviceAddr();
166 }
167 
SetDeviceAbsVolume(const std::string & macAddress,int32_t volume)168 int32_t AudioA2dpManager::SetDeviceAbsVolume(const std::string& macAddress, int32_t volume)
169 {
170     BluetoothRemoteDevice device;
171     int32_t ret = MediaBluetoothDeviceManager::GetConnectedA2dpBluetoothDevice(macAddress, device);
172     CHECK_AND_RETURN_RET_LOG(ret == SUCCESS, ERROR, "SetDeviceAbsVolume: the configuring A2DP device doesn't exist.");
173     return AvrcpTarget::GetProfile()->SetDeviceAbsoluteVolume(device, volume);
174 }
175 
GetA2dpDeviceStreamInfo(const std::string & macAddress,AudioStreamInfo & streamInfo)176 int32_t AudioA2dpManager::GetA2dpDeviceStreamInfo(const std::string& macAddress,
177     AudioStreamInfo &streamInfo)
178 {
179     std::lock_guard<std::mutex> a2dpLock(g_a2dpInstanceLock);
180     a2dpInstance_ = A2dpSource::GetProfile();
181     CHECK_AND_RETURN_RET_LOG(a2dpInstance_ != nullptr, ERROR, "Failed to obtain A2DP profile instance");
182     BluetoothRemoteDevice device;
183     int32_t ret = MediaBluetoothDeviceManager::GetConnectedA2dpBluetoothDevice(macAddress, device);
184     CHECK_AND_RETURN_RET_LOG(ret == SUCCESS, ERROR,
185         "GetA2dpDeviceStreamInfo: the configuring A2DP device doesn't exist.");
186     A2dpCodecStatus codecStatus = a2dpInstance_->GetCodecStatus(device);
187     bool result = GetAudioStreamInfo(codecStatus.codecInfo, streamInfo);
188     CHECK_AND_RETURN_RET_LOG(result, ERROR, "GetA2dpDeviceStreamInfo: Unsupported a2dp codec info");
189     return SUCCESS;
190 }
191 
HasA2dpDeviceConnected()192 bool AudioA2dpManager::HasA2dpDeviceConnected()
193 {
194     a2dpInstance_ = A2dpSource::GetProfile();
195     CHECK_AND_RETURN_RET(a2dpInstance_, false);
196     std::vector<int32_t> states {static_cast<int32_t>(BTConnectState::CONNECTED)};
197     std::vector<BluetoothRemoteDevice> devices;
198     a2dpInstance_->GetDevicesByStates(states, devices);
199 
200     return !devices.empty();
201 }
202 
A2dpOffloadSessionRequest(const std::vector<A2dpStreamInfo> & info)203 int32_t AudioA2dpManager::A2dpOffloadSessionRequest(const std::vector<A2dpStreamInfo> &info)
204 {
205     CHECK_AND_RETURN_RET_LOG(activeA2dpDevice_.GetDeviceAddr() != "00:00:00:00:00:00", A2DP_NOT_OFFLOAD,
206         "Invalid mac address, not request, return A2DP_NOT_OFFLOAD.");
207     int32_t ret = a2dpInstance_->A2dpOffloadSessionRequest(activeA2dpDevice_, info);
208     AUDIO_DEBUG_LOG("Request %{public}zu stream and return a2dp offload state %{public}d", info.size(), ret);
209     return ret;
210 }
211 
OffloadStartPlaying(const std::vector<int32_t> & sessionsID)212 int32_t AudioA2dpManager::OffloadStartPlaying(const std::vector<int32_t> &sessionsID)
213 {
214     CHECK_AND_RETURN_RET_LOG(activeA2dpDevice_.GetDeviceAddr() != "00:00:00:00:00:00", ERROR,
215         "Invalid mac address, not start, return error.");
216     AUDIO_DEBUG_LOG("Start playing %{public}zu stream", sessionsID.size());
217     return a2dpInstance_->OffloadStartPlaying(activeA2dpDevice_, sessionsID);
218 }
219 
OffloadStopPlaying(const std::vector<int32_t> & sessionsID)220 int32_t AudioA2dpManager::OffloadStopPlaying(const std::vector<int32_t> &sessionsID)
221 {
222     if (activeA2dpDevice_.GetDeviceAddr() == "00:00:00:00:00:00") {
223         AUDIO_DEBUG_LOG("Invalid mac address, not stop, return error.");
224         return ERROR;
225     }
226     AUDIO_DEBUG_LOG("Stop playing %{public}zu stream", sessionsID.size());
227     return a2dpInstance_->OffloadStopPlaying(activeA2dpDevice_, sessionsID);
228 }
229 
GetRenderPosition(uint32_t & delayValue,uint64_t & sendDataSize,uint32_t & timeStamp)230 int32_t AudioA2dpManager::GetRenderPosition(uint32_t &delayValue, uint64_t &sendDataSize, uint32_t &timeStamp)
231 {
232     if (activeA2dpDevice_.GetDeviceAddr() == "00:00:00:00:00:00") {
233         AUDIO_DEBUG_LOG("Invalid mac address, return error.");
234         return ERROR;
235     }
236     return ERROR;
237     // a2dpInstance_->GetRenderPosition(activeA2dpDevice_, delayValue, sendDataSize, timeStamp);
238 }
239 
RegisterA2dpPlayingStateChangedListener(std::shared_ptr<AudioA2dpPlayingStateChangedListener> listener)240 int32_t AudioA2dpManager::RegisterA2dpPlayingStateChangedListener(
241     std::shared_ptr<AudioA2dpPlayingStateChangedListener> listener)
242 {
243     std::lock_guard<std::mutex> lock(g_a2dpPlayingStateChangedLock);
244     a2dpPlayingStateChangedListeners_.push_back(listener);
245     return SUCCESS;
246 }
247 
OnA2dpPlayingStateChanged(const std::string & deviceAddress,int32_t playingState)248 void AudioA2dpManager::OnA2dpPlayingStateChanged(const std::string &deviceAddress, int32_t playingState)
249 {
250     std::lock_guard<std::mutex> lock(g_a2dpPlayingStateChangedLock);
251     for (auto listener : a2dpPlayingStateChangedListeners_) {
252         listener->OnA2dpPlayingStateChanged(deviceAddress, playingState);
253     }
254 }
255 
CheckA2dpDeviceReconnect()256 void AudioA2dpManager::CheckA2dpDeviceReconnect()
257 {
258     if (a2dpInstance_ == nullptr) {
259         a2dpInstance_ = A2dpSource::GetProfile();
260     }
261     CHECK_AND_RETURN_LOG(a2dpInstance_ != nullptr, "A2DP profile instance unavailable");
262     std::vector<int32_t> states {static_cast<int32_t>(BTConnectState::CONNECTED)};
263     std::vector<BluetoothRemoteDevice> devices;
264     a2dpInstance_->GetDevicesByStates(states, devices);
265 
266     for (auto &device : devices) {
267         a2dpListener_->OnConnectionStateChanged(device, static_cast<int32_t>(BTConnectState::CONNECTED),
268             static_cast<uint32_t>(ConnChangeCause::CONNECT_CHANGE_COMMON_CAUSE));
269 
270         int32_t wearState = 0; // 0 unwear state
271         if (IsBTWearDetectionEnable(device)) {
272             wearState = BluetoothAudioManager::GetInstance().IsDeviceWearing(device);
273             if (wearState == 1) MediaBluetoothDeviceManager::SetMediaStack(device, WEAR_ACTION); // 1 wear state
274         }
275         AUDIO_WARNING_LOG("reconnect a2dp device:%{public}s, wear state:%{public}d",
276             GetEncryptAddr(device.GetDeviceAddr()).c_str(), wearState);
277     }
278 
279     std::vector<std::string> virtualDevices;
280     a2dpInstance_->GetVirtualDeviceList(virtualDevices);
281     for (auto &macAddress : virtualDevices) {
282         AUDIO_WARNING_LOG("reconnect virtual a2dp device:%{public}s", GetEncryptAddr(macAddress).c_str());
283         a2dpListener_->OnVirtualDeviceChanged(static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_ADD), macAddress);
284     }
285 }
286 
Connect(const std::string & macAddress)287 int32_t AudioA2dpManager::Connect(const std::string &macAddress)
288 {
289     CHECK_AND_RETURN_RET_LOG(a2dpInstance_ != nullptr, ERROR, "A2DP profile instance unavailable");
290     BluetoothRemoteDevice virtualDevice = BluetoothRemoteDevice(macAddress);
291     if (MediaBluetoothDeviceManager::IsA2dpBluetoothDeviceConnecting(macAddress)) {
292         AUDIO_WARNING_LOG("A2dp device %{public}s is connecting, ignore connect request", macAddress.c_str());
293         virtualDevice.SetVirtualAutoConnectType(CONN_REASON_MANUAL_VIRTUAL_CONNECT_PREEMPT_FLAG, 0);
294         return SUCCESS;
295     }
296     std::vector<std::string> virtualDevices;
297     a2dpInstance_->GetVirtualDeviceList(virtualDevices);
298     if (std::find(virtualDevices.begin(), virtualDevices.end(), macAddress) == virtualDevices.end()) {
299         AUDIO_WARNING_LOG("A2dp device %{public}s is not virtual device, ignore connect request",
300             macAddress.c_str());
301         return SUCCESS;
302     }
303     int32_t ret = a2dpInstance_->Connect(virtualDevice);
304     CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR, "A2dp Connect Failed");
305     virtualDevice.SetVirtualAutoConnectType(CONN_REASON_MANUAL_VIRTUAL_CONNECT_PREEMPT_FLAG, 0);
306     return SUCCESS;
307 }
308 
OnConnectionStateChanged(const BluetoothRemoteDevice & device,int state,int cause)309 void AudioA2dpListener::OnConnectionStateChanged(const BluetoothRemoteDevice &device, int state, int cause)
310 {
311     AUDIO_WARNING_LOG("state: %{public}d, macAddress: %{public}s", state,
312         GetEncryptAddr(device.GetDeviceAddr()).c_str());
313     // Record connection state and device for hdi start time to check
314     AudioA2dpManager::SetConnectionState(state);
315     if (state == static_cast<int>(BTConnectState::CONNECTING)) {
316         MediaBluetoothDeviceManager::SetMediaStack(device, BluetoothDeviceAction::CONNECTING_ACTION);
317     }
318     if (state == static_cast<int>(BTConnectState::CONNECTED)) {
319         MediaBluetoothDeviceManager::SetMediaStack(device, BluetoothDeviceAction::CONNECT_ACTION);
320     }
321     if (state == static_cast<int>(BTConnectState::DISCONNECTED)) {
322         MediaBluetoothDeviceManager::SetMediaStack(device, BluetoothDeviceAction::DISCONNECT_ACTION);
323     }
324 }
325 
OnConfigurationChanged(const BluetoothRemoteDevice & device,const A2dpCodecInfo & codecInfo,int error)326 void AudioA2dpListener::OnConfigurationChanged(const BluetoothRemoteDevice &device, const A2dpCodecInfo &codecInfo,
327     int error)
328 {
329     AUDIO_INFO_LOG("OnConfigurationChanged: sampleRate: %{public}d, channels: %{public}d, format: %{public}d",
330         codecInfo.sampleRate, codecInfo.channelMode, codecInfo.bitsPerSample);
331     AudioStreamInfo streamInfo = {};
332     bool result = GetAudioStreamInfo(codecInfo, streamInfo);
333     CHECK_AND_RETURN_LOG(result, "OnConfigurationChanged: Unsupported a2dp codec info");
334     MediaBluetoothDeviceManager::UpdateA2dpDeviceConfiguration(device, streamInfo);
335 }
336 
OnPlayingStatusChanged(const BluetoothRemoteDevice & device,int playingState,int error)337 void AudioA2dpListener::OnPlayingStatusChanged(const BluetoothRemoteDevice &device, int playingState, int error)
338 {
339     AUDIO_INFO_LOG("OnPlayingStatusChanged, state: %{public}d, error: %{public}d", playingState, error);
340     if (error == SUCCESS) {
341         AudioA2dpManager::OnA2dpPlayingStateChanged(device.GetDeviceAddr(), playingState);
342     }
343 }
344 
OnMediaStackChanged(const BluetoothRemoteDevice & device,int action)345 void AudioA2dpListener::OnMediaStackChanged(const BluetoothRemoteDevice &device, int action)
346 {
347     AUDIO_INFO_LOG("OnMediaStackChanged, action: %{public}d", action);
348     MediaBluetoothDeviceManager::SetMediaStack(device, action);
349 }
350 
OnVirtualDeviceChanged(int32_t action,std::string address)351 void AudioA2dpListener::OnVirtualDeviceChanged(int32_t action, std::string address)
352 {
353     AUDIO_WARNING_LOG("action: %{public}d, macAddress: %{public}s", action,
354         GetEncryptAddr(address).c_str());
355     if (action == static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_ADD)) {
356         MediaBluetoothDeviceManager::SetMediaStack(BluetoothRemoteDevice(address),
357             BluetoothDeviceAction::VIRTUAL_DEVICE_ADD_ACTION);
358     }
359     if (action == static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_REMOVE)) {
360         MediaBluetoothDeviceManager::SetMediaStack(BluetoothRemoteDevice(address),
361             BluetoothDeviceAction::VIRTUAL_DEVICE_REMOVE_ACTION);
362     }
363 }
364 
RegisterBluetoothScoListener()365 void AudioHfpManager::RegisterBluetoothScoListener()
366 {
367     AUDIO_INFO_LOG("AudioHfpManager::RegisterBluetoothScoListener");
368     std::lock_guard<std::mutex> hfpLock(g_hfpInstanceLock);
369     hfpInstance_ = HandsFreeAudioGateway::GetProfile();
370     CHECK_AND_RETURN_LOG(hfpInstance_ != nullptr, "Failed to obtain HFP AG profile instance");
371 
372     hfpInstance_->RegisterObserver(hfpListener_);
373 }
374 
UnregisterBluetoothScoListener()375 void AudioHfpManager::UnregisterBluetoothScoListener()
376 {
377     AUDIO_INFO_LOG("AudioHfpManager::UnregisterBluetoothScoListene");
378     std::lock_guard<std::mutex> hfpLock(g_hfpInstanceLock);
379     CHECK_AND_RETURN_LOG(hfpInstance_ != nullptr, "HFP AG profile instance unavailable");
380 
381     hfpInstance_->DeregisterObserver(hfpListener_);
382     hfpInstance_ = nullptr;
383 }
384 
CheckHfpDeviceReconnect()385 void AudioHfpManager::CheckHfpDeviceReconnect()
386 {
387     if (hfpInstance_ == nullptr) {
388         hfpInstance_ = HandsFreeAudioGateway::GetProfile();
389     }
390     CHECK_AND_RETURN_LOG(hfpInstance_ != nullptr, "HFP profile instance unavailable");
391     std::vector<int32_t> states {static_cast<int32_t>(BTConnectState::CONNECTED)};
392     std::vector<BluetoothRemoteDevice> devices = hfpInstance_->GetDevicesByStates(states);
393     for (auto &device : devices) {
394         hfpListener_->OnConnectionStateChanged(device, static_cast<int32_t>(BTConnectState::CONNECTED),
395             static_cast<uint32_t>(ConnChangeCause::CONNECT_CHANGE_COMMON_CAUSE));
396 
397         int32_t wearState = 0; // 0 unwear state
398         if (IsBTWearDetectionEnable(device)) {
399             wearState = BluetoothAudioManager::GetInstance().IsDeviceWearing(device);
400             if (wearState == 1) HfpBluetoothDeviceManager::SetHfpStack(device, WEAR_ACTION); // 1 wear state
401         }
402         AUDIO_INFO_LOG("reconnect hfp device:%{public}s, wear state:%{public}d",
403             GetEncryptAddr(device.GetDeviceAddr()).c_str(), wearState);
404     }
405 
406     std::vector<std::string> virtualDevices;
407     hfpInstance_->GetVirtualDeviceList(virtualDevices);
408     for (auto &macAddress : virtualDevices) {
409         AUDIO_PRERELEASE_LOGI("reconnect virtual hfp device:%{public}s", GetEncryptAddr(macAddress).c_str());
410         hfpListener_->OnVirtualDeviceChanged(static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_ADD), macAddress);
411     }
412 }
413 
HandleScoWithRecongnition(bool handleFlag,BluetoothRemoteDevice & device)414 int32_t AudioHfpManager::HandleScoWithRecongnition(bool handleFlag, BluetoothRemoteDevice &device)
415 {
416     CHECK_AND_RETURN_RET_LOG(hfpInstance_ != nullptr, ERROR, "HFP AG profile instance unavailable");
417     bool ret = true;
418     if (handleFlag) {
419         int8_t scoCategory = GetScoCategoryFromScene(scene_);
420         if (scoCategory == ScoCategory::SCO_DEFAULT &&
421             AudioHfpManager::scoCategory != ScoCategory::SCO_RECOGNITION) {
422             AUDIO_INFO_LOG("Recongnition sco connect");
423             AudioHfpManager::recognitionStatus = RecognitionStatus::RECOGNITION_CONNECTING;
424             ret = hfpInstance_->OpenVoiceRecognition(device);
425             if (ret) {
426                 AudioHfpManager::scoCategory = ScoCategory::SCO_RECOGNITION;
427                 AudioHfpManager::recognitionStatus = RecognitionStatus::RECOGNITION_CONNECTED;
428             }
429         } else {
430             AUDIO_WARNING_LOG("Sco Connected OR Connecting, No Need to Create");
431         }
432     } else {
433         if (AudioHfpManager::scoCategory == ScoCategory::SCO_RECOGNITION) {
434             AUDIO_INFO_LOG("Recongnition sco close");
435             AudioHfpManager::recognitionStatus = RecognitionStatus::RECOGNITION_DISCONNECTING;
436             ret = hfpInstance_->CloseVoiceRecognition(device);
437             if (ret) {
438                 AudioHfpManager::scoCategory = ScoCategory::SCO_DEFAULT;
439                 AudioHfpManager::recognitionStatus = RecognitionStatus::RECOGNITION_DISCONNECTED;
440             }
441         }
442     }
443     CHECK_AND_RETURN_RET_LOG(ret == true, ERROR, "HandleScoWithRecongnition failed, result: %{public}d", ret);
444     return SUCCESS;
445 }
446 
ClearRecongnitionStatus()447 void AudioHfpManager::ClearRecongnitionStatus()
448 {
449     if (AudioHfpManager::scoCategory == ScoCategory::SCO_RECOGNITION) {
450         AudioHfpManager::scoCategory = ScoCategory::SCO_DEFAULT;
451         AudioHfpManager::recognitionStatus = RecognitionStatus::RECOGNITION_DISCONNECTED;
452     }
453 }
454 
GetScoCategory()455 ScoCategory AudioHfpManager::GetScoCategory()
456 {
457     return scoCategory;
458 }
459 
GetRecognitionStatus()460 RecognitionStatus AudioHfpManager::GetRecognitionStatus()
461 {
462     return recognitionStatus;
463 }
464 
SetActiveHfpDevice(const std::string & macAddress)465 int32_t AudioHfpManager::SetActiveHfpDevice(const std::string &macAddress)
466 {
467     BluetoothRemoteDevice device;
468     if (HfpBluetoothDeviceManager::GetConnectedHfpBluetoothDevice(macAddress, device) != SUCCESS) {
469         AUDIO_ERR_LOG("SetActiveHfpDevice failed for the HFP device %{public}s does not exist.",
470             GetEncryptAddr(macAddress).c_str());
471         return ERROR;
472     }
473     std::lock_guard<std::mutex> hfpDeviceLock(g_activehfpDeviceLock);
474     AUDIO_INFO_LOG("incoming device:%{public}s, current device:%{public}s",
475         GetEncryptAddr(macAddress).c_str(), GetEncryptAddr(activeHfpDevice_.GetDeviceAddr()).c_str());
476     if (macAddress != activeHfpDevice_.GetDeviceAddr()) {
477         AUDIO_WARNING_LOG("Active hfp device is changed, need to DisconnectSco for current activeHfpDevice.");
478         int32_t ret = DisconnectSco();
479         CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR, "DisconnectSco failed, result: %{public}d", ret);
480     }
481     std::lock_guard<std::mutex> hfpLock(g_hfpInstanceLock);
482     CHECK_AND_RETURN_RET_LOG(hfpInstance_ != nullptr, ERROR, "HFP AG profile instance unavailable");
483     bool res = hfpInstance_->SetActiveDevice(device);
484     CHECK_AND_RETURN_RET_LOG(res == true, ERROR, "SetActiveHfpDevice failed, result: %{public}d", res);
485     activeHfpDevice_ = device;
486     return SUCCESS;
487 }
488 
GetActiveHfpDevice()489 std::string AudioHfpManager::GetActiveHfpDevice()
490 {
491     std::lock_guard<std::mutex> hfpLock(g_hfpInstanceLock);
492     CHECK_AND_RETURN_RET_LOG(hfpInstance_ != nullptr, "", "HFP AG profile instance unavailable");
493     BluetoothRemoteDevice device = hfpInstance_->GetActiveDevice();
494     return device.GetDeviceAddr();
495 }
496 
ConnectScoWithAudioScene(AudioScene scene)497 int32_t AudioHfpManager::ConnectScoWithAudioScene(AudioScene scene)
498 {
499     if (scoCategory == ScoCategory::SCO_RECOGNITION) {
500         AUDIO_WARNING_LOG("Recognition Sco Connected");
501         return SUCCESS;
502     }
503     std::lock_guard<std::mutex> sceneLock(g_audioSceneLock);
504     int8_t lastScoCategory = GetScoCategoryFromScene(scene_);
505     int8_t newScoCategory = GetScoCategoryFromScene(scene);
506     AUDIO_INFO_LOG("new sco category is %{public}d, last sco category is %{public}d", newScoCategory, lastScoCategory);
507 
508     if (lastScoCategory == newScoCategory) {
509         AUDIO_INFO_LOG("sco category %{public}d not change", newScoCategory);
510         return SUCCESS;
511     }
512     std::lock_guard<std::mutex> hfpLock(g_hfpInstanceLock);
513     CHECK_AND_RETURN_RET_LOG(hfpInstance_ != nullptr, ERROR, "HFP AG profile instance unavailable");
514     bool isInbardingEnabled = false;
515     hfpInstance_->IsInbandRingingEnabled(isInbardingEnabled);
516     if ((scene == AUDIO_SCENE_RINGING || scene == AUDIO_SCENE_VOICE_RINGING) && !isInbardingEnabled) {
517         AUDIO_WARNING_LOG("The inbarding switch is off, ignore the ring scene.");
518         return SUCCESS;
519     }
520     int32_t ret;
521     if (lastScoCategory != ScoCategory::SCO_DEFAULT) {
522         AUDIO_INFO_LOG("Entered to disConnectSco for last audioScene category.");
523         ret = hfpInstance_->DisconnectSco(static_cast<uint8_t>(lastScoCategory));
524         CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR,
525             "ConnectScoWithAudioScene failed as the last SCO failed to be disconnected, result: %{public}d", ret);
526     }
527     if (newScoCategory != ScoCategory::SCO_DEFAULT) {
528         AUDIO_INFO_LOG("Entered to connectSco for new audioScene category.");
529         ret = hfpInstance_->ConnectSco(static_cast<uint8_t>(newScoCategory));
530         CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR, "ConnectScoWithAudioScene failed, result: %{public}d", ret);
531     }
532     scene_ = scene;
533     return SUCCESS;
534 }
535 
DisconnectSco()536 int32_t AudioHfpManager::DisconnectSco()
537 {
538     std::lock_guard<std::mutex> sceneLock(g_audioSceneLock);
539     int8_t currentScoCategory = GetScoCategoryFromScene(scene_);
540     if (currentScoCategory == ScoCategory::SCO_DEFAULT) {
541         AUDIO_WARNING_LOG("Current sco category is DEFAULT, not need to disconnect sco.");
542         return SUCCESS;
543     }
544     AUDIO_INFO_LOG("current sco category %{public}d", currentScoCategory);
545 
546     std::lock_guard<std::mutex> hfpLock(g_hfpInstanceLock);
547     CHECK_AND_RETURN_RET_LOG(hfpInstance_ != nullptr, ERROR, "HFP AG profile instance unavailable");
548     int32_t ret = hfpInstance_->DisconnectSco(static_cast<uint8_t>(currentScoCategory));
549     CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR, "DisconnectSco failed, result: %{public}d", ret);
550     scene_ = AUDIO_SCENE_DEFAULT;
551     return SUCCESS;
552 }
553 
GetScoCategoryFromScene(AudioScene scene)554 int8_t AudioHfpManager::GetScoCategoryFromScene(AudioScene scene)
555 {
556     switch (scene) {
557         case AUDIO_SCENE_VOICE_RINGING:
558         case AUDIO_SCENE_PHONE_CALL:
559             return ScoCategory::SCO_CALLULAR;
560         case AUDIO_SCENE_RINGING:
561         case AUDIO_SCENE_PHONE_CHAT:
562             return ScoCategory::SCO_VIRTUAL;
563         default:
564             return ScoCategory::SCO_DEFAULT;
565     }
566 }
567 
DisconnectBluetoothHfpSink()568 void AudioHfpManager::DisconnectBluetoothHfpSink()
569 {
570     int connectionState = static_cast<int>(BTConnectState::DISCONNECTED);
571     auto hfpList = HfpBluetoothDeviceManager::GetAllHfpBluetoothDevice();
572     for (const auto &device : hfpList) {
573         hfpListener_->OnConnectionStateChanged(device, connectionState,
574             static_cast<uint32_t>(ConnChangeCause::CONNECT_CHANGE_COMMON_CAUSE));
575     }
576 
577     auto virtualDevices = HfpBluetoothDeviceManager::GetHfpVirtualDeviceList();
578     for (const auto &virtualDevice : virtualDevices) {
579         hfpListener_->OnVirtualDeviceChanged(static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_REMOVE),
580             virtualDevice.GetDeviceAddr());
581     }
582     HfpBluetoothDeviceManager::ClearAllHfpBluetoothDevice();
583 }
584 
UpdateCurrentActiveHfpDevice(const BluetoothRemoteDevice & device)585 void AudioHfpManager::UpdateCurrentActiveHfpDevice(const BluetoothRemoteDevice &device)
586 {
587     std::lock_guard<std::mutex> hfpDeviceLock(g_activehfpDeviceLock);
588     activeHfpDevice_ = device;
589 }
590 
GetCurrentActiveHfpDevice()591 std::string AudioHfpManager::GetCurrentActiveHfpDevice()
592 {
593     std::lock_guard<std::mutex> hfpDeviceLock(g_activehfpDeviceLock);
594     return activeHfpDevice_.GetDeviceAddr();
595 }
596 
UpdateAudioScene(AudioScene scene)597 void AudioHfpManager::UpdateAudioScene(AudioScene scene)
598 {
599     std::lock_guard<std::mutex> sceneLock(g_audioSceneLock);
600     scene_ = scene;
601 }
602 
GetCurrentAudioScene()603 AudioStandard::AudioScene AudioHfpManager::GetCurrentAudioScene()
604 {
605     std::lock_guard<std::mutex> sceneLock(g_audioSceneLock);
606     return scene_;
607 }
608 
SetAudioSceneFromPolicy(AudioScene scene)609 void AudioHfpManager::SetAudioSceneFromPolicy(AudioScene scene)
610 {
611     sceneFromPolicy_ = scene;
612 }
613 
GetPolicyAudioScene()614 AudioStandard::AudioScene AudioHfpManager::GetPolicyAudioScene()
615 {
616     return sceneFromPolicy_;
617 }
618 
Connect(const std::string & macAddress)619 int32_t AudioHfpManager::Connect(const std::string &macAddress)
620 {
621     CHECK_AND_RETURN_RET_LOG(hfpInstance_ != nullptr, ERROR, "HFP AG profile instance unavailable");
622     BluetoothRemoteDevice virtualDevice = BluetoothRemoteDevice(macAddress);
623     if (HfpBluetoothDeviceManager::IsHfpBluetoothDeviceConnecting(macAddress)) {
624         AUDIO_WARNING_LOG("Hfp device %{public}s is connecting, ignore connect request",
625             GetEncryptAddr(macAddress).c_str());
626         virtualDevice.SetVirtualAutoConnectType(CONN_REASON_MANUAL_VIRTUAL_CONNECT_PREEMPT_FLAG, 0);
627         return SUCCESS;
628     }
629     std::vector<std::string> virtualDevices;
630     hfpInstance_->GetVirtualDeviceList(virtualDevices);
631     if (std::find(virtualDevices.begin(), virtualDevices.end(), macAddress) == virtualDevices.end()) {
632         AUDIO_WARNING_LOG("Hfp device %{public}s is not virtual device, ignore connect request",
633             GetEncryptAddr(macAddress).c_str());
634         return SUCCESS;
635     }
636     int32_t ret = hfpInstance_->Connect(virtualDevice);
637     CHECK_AND_RETURN_RET_LOG(ret == 0, ERROR, "Hfp Connect Failed");
638     virtualDevice.SetVirtualAutoConnectType(CONN_REASON_MANUAL_VIRTUAL_CONNECT_PREEMPT_FLAG, 0);
639     return SUCCESS;
640 }
641 
OnScoStateChanged(const BluetoothRemoteDevice & device,int state,int reason)642 void AudioHfpListener::OnScoStateChanged(const BluetoothRemoteDevice &device, int state, int reason)
643 {
644     AUDIO_WARNING_LOG("state:[%{public}d] reason:[%{public}d] device:[%{public}s]",
645         state, reason, GetEncryptAddr(device.GetDeviceAddr()).c_str());
646     // SCO_DISCONNECTED = 3, SCO_CONNECTING = 4, SCO_DISCONNECTING = 5, SCO_CONNECTED = 6
647     HfpScoConnectState scoState = static_cast<HfpScoConnectState>(state);
648     if (scoState == HfpScoConnectState::SCO_CONNECTED || scoState == HfpScoConnectState::SCO_DISCONNECTED) {
649         if (device.GetDeviceAddr() == AudioHfpManager::GetCurrentActiveHfpDevice() &&
650             scoState == HfpScoConnectState::SCO_DISCONNECTED) {
651             BluetoothRemoteDevice defaultDevice;
652             AudioHfpManager::UpdateCurrentActiveHfpDevice(defaultDevice);
653             AUDIO_WARNING_LOG("Sco disconnect, need set audio scene as default.");
654             AudioHfpManager::UpdateAudioScene(AUDIO_SCENE_DEFAULT);
655         } else if (scoState == HfpScoConnectState::SCO_CONNECTED) {
656             AudioScene audioScene = AudioHfpManager::GetPolicyAudioScene();
657             if (audioScene != AudioHfpManager::GetCurrentAudioScene()) {
658                 AUDIO_WARNING_LOG("Sco connect by peripheral device, update scene_ %{public}d", audioScene);
659                 AudioHfpManager::UpdateAudioScene(audioScene);
660             }
661             AudioHfpManager::UpdateCurrentActiveHfpDevice(device);
662         }
663         bool isConnected = (scoState == HfpScoConnectState::SCO_CONNECTED) ? true : false;
664 
665         // VGS feature
666         bool isVgsSupported = false;
667         if (isConnected) {
668             HandsFreeAudioGateway *hfpInstance = HandsFreeAudioGateway::GetProfile();
669             CHECK_AND_RETURN_LOG(hfpInstance != nullptr, "Failed to obtain HFP AG profile instance");
670             hfpInstance->IsVgsSupported(device, isVgsSupported);
671         }
672         AUDIO_INFO_LOG("AudioHfpListener::OnScoStateChanged: isVgsSupported: [%{public}d]", isVgsSupported);
673         HfpBluetoothDeviceManager::OnScoStateChanged(device, isVgsSupported, reason);
674     }
675 }
676 
OnConnectionStateChanged(const BluetoothRemoteDevice & device,int state,int cause)677 void AudioHfpListener::OnConnectionStateChanged(const BluetoothRemoteDevice &device, int state, int cause)
678 {
679     AUDIO_WARNING_LOG("state: %{public}d device: %{public}s", state,
680         GetEncryptAddr(device.GetDeviceAddr()).c_str());
681     if (state == static_cast<int>(BTConnectState::CONNECTING)) {
682         HfpBluetoothDeviceManager::SetHfpStack(device, BluetoothDeviceAction::CONNECTING_ACTION);
683     }
684     if (state == static_cast<int>(BTConnectState::CONNECTED)) {
685         HfpBluetoothDeviceManager::SetHfpStack(device, BluetoothDeviceAction::CONNECT_ACTION);
686     }
687     if (state == static_cast<int>(BTConnectState::DISCONNECTED)) {
688         if (device.GetDeviceAddr() == AudioHfpManager::GetCurrentActiveHfpDevice()) {
689             BluetoothRemoteDevice defaultDevice;
690             AudioHfpManager::UpdateCurrentActiveHfpDevice(defaultDevice);
691             AUDIO_WARNING_LOG("Current active hfp device diconnect, need set audio scene as default.");
692             AudioHfpManager::UpdateAudioScene(AUDIO_SCENE_DEFAULT);
693         }
694         HfpBluetoothDeviceManager::SetHfpStack(device, BluetoothDeviceAction::DISCONNECT_ACTION);
695     }
696 }
697 
OnHfpStackChanged(const BluetoothRemoteDevice & device,int action)698 void AudioHfpListener::OnHfpStackChanged(const BluetoothRemoteDevice &device, int action)
699 {
700     AUDIO_WARNING_LOG("action: %{public}d device: %{public}s", action, GetEncryptAddr(device.GetDeviceAddr()).c_str());
701     HfpBluetoothDeviceManager::SetHfpStack(device, action);
702 }
703 
OnVirtualDeviceChanged(int32_t action,std::string macAddress)704 void AudioHfpListener::OnVirtualDeviceChanged(int32_t action, std::string macAddress)
705 {
706     AUDIO_WARNING_LOG("action: %{public}d device: %{public}s", action, GetEncryptAddr(macAddress).c_str());
707     if (action == static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_ADD)) {
708         HfpBluetoothDeviceManager::SetHfpStack(BluetoothRemoteDevice(macAddress),
709             BluetoothDeviceAction::VIRTUAL_DEVICE_ADD_ACTION);
710     }
711     if (action == static_cast<int32_t>(Bluetooth::BT_VIRTUAL_DEVICE_REMOVE)) {
712         HfpBluetoothDeviceManager::SetHfpStack(BluetoothRemoteDevice(macAddress),
713             BluetoothDeviceAction::VIRTUAL_DEVICE_REMOVE_ACTION);
714     }
715 }
716 // LCOV_EXCL_STOP
717 } // namespace Bluetooth
718 } // namespace OHOS
719