1 /* 2 * Copyright (c) 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 AUDIO_STREAM_MONITOR 17 #define AUDIO_STREAM_MONITOR 18 #include <vector> 19 #include <utility> 20 #include <mutex> 21 #include <map> 22 #include "audio_info.h" 23 #include "audio_stream_checker.h" 24 25 namespace OHOS { 26 namespace AudioStandard { 27 class DataTransferStateChangeCallbackForMonitor { 28 public: 29 virtual ~DataTransferStateChangeCallbackForMonitor() = default; 30 virtual void OnDataTransferStateChange(const int32_t &pid, const int32_t & callbackId, 31 const AudioRendererDataTransferStateChangeInfo& info) = 0; 32 virtual void OnMuteStateChange(const int32_t &pid, const int32_t &callbackId, 33 const int32_t &uid, const uint32_t &sessionId, const bool &isMuted) = 0; 34 }; 35 36 class AudioStreamMonitor { 37 public: 38 static AudioStreamMonitor& GetInstance(); 39 int32_t RegisterAudioRendererDataTransferStateListener(const DataTransferMonitorParam ¶m, 40 const int32_t pid, const int32_t callbackId); 41 int32_t UnregisterAudioRendererDataTransferStateListener(const int32_t pid, const int32_t callbackId); 42 void OnCallback(int32_t pid, int32_t callbackId, const AudioRendererDataTransferStateChangeInfo &info); 43 void OnMuteCallback(const int32_t &pid, const int32_t &callbackId, 44 const int32_t &uid, const uint32_t &sessionId, const bool &isMuted); 45 void ReportStreamFreezen(int64_t intervalTime); 46 void AddCheckForMonitor(uint32_t sessionId, std::shared_ptr<AudioStreamChecker> &checker); 47 void DeleteCheckForMonitor(uint32_t sessionId); 48 void SetAudioServerPtr(DataTransferStateChangeCallbackForMonitor *ptr); 49 void OnCallbackAppDied(const int32_t pid); 50 void NotifyAppStateChange(const int32_t uid, bool isBackground); 51 void UpdateMonitorVolume(const uint32_t &sessionId, const float &volume); 52 private: AudioStreamMonitor()53 AudioStreamMonitor() {} ~AudioStreamMonitor()54 ~AudioStreamMonitor() {} 55 bool HasRegistered(const int32_t pid, const int32_t callbackId); 56 std::map<std::pair<int32_t, int32_t>, DataTransferMonitorParam> registerInfo_; 57 std::map<uint32_t, std::shared_ptr<AudioStreamChecker>> audioStreamCheckers_; 58 std::mutex regStatusMutex_; 59 DataTransferStateChangeCallbackForMonitor *audioServer_ = nullptr; 60 }; 61 } 62 } 63 #endif