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 POLICY_HANDLER_H 17 #define POLICY_HANDLER_H 18 19 #include <sstream> 20 #include <map> 21 #include <mutex> 22 #include <vector> 23 24 #include "ipolicy_provider_ipc.h" 25 #include "i_policy_provider.h" 26 27 namespace OHOS { 28 namespace AudioStandard { 29 class PolicyHandler { 30 public: 31 static PolicyHandler& GetInstance(); 32 33 ~PolicyHandler(); 34 35 void Dump(std::string &dumpString); 36 37 // would be called only once 38 bool ConfigPolicyProvider(const sptr<IPolicyProviderIpc> policyProvider); 39 40 bool GetProcessDeviceInfo(const AudioProcessConfig &config, bool lockFlag, AudioDeviceDescriptor &deviceInfo); 41 42 bool InitVolumeMap(); 43 44 bool GetSharedVolume(AudioVolumeType streamType, DeviceType deviceType, Volume &vol); 45 46 void SetActiveOutputDevice(DeviceType deviceType); 47 48 uint32_t GenerateSessionId(int32_t uid); 49 50 DeviceType GetActiveOutPutDevice(); 51 52 int32_t NotifyCapturerAdded(AudioCapturerInfo capturerInfo, AudioStreamInfo streamInfo, uint32_t sessionId); 53 54 int32_t NotifyWakeUpCapturerRemoved(); 55 56 bool IsAbsVolumeSupported(); 57 58 int32_t OffloadGetRenderPosition(uint32_t &delayValue, uint64_t &sendDataSize, uint32_t &timeStamp); 59 60 int32_t NearlinkGetRenderPosition(uint32_t &delayValue); 61 62 bool GetHighResolutionExist(); 63 64 void SetHighResolutionExist(bool isHighResExist); 65 66 int32_t GetAndSaveClientType(uint32_t uid, const std::string &bundleName); 67 68 int32_t GetMaxRendererInstances(); 69 70 int32_t NotifyCapturerRemoved(uint64_t sessionId); 71 72 #ifdef HAS_FEATURE_INNERCAPTURER 73 int32_t LoadModernInnerCapSink(int32_t innerCapId); 74 75 int32_t UnloadModernInnerCapSink(int32_t innerCapId); 76 #endif 77 int32_t ClearAudioFocusBySessionID(const int32_t &sessionID); 78 79 int32_t CaptureConcurrentCheck(const uint32_t &sessionID); 80 private: 81 PolicyHandler(); 82 sptr<IPolicyProviderIpc> iPolicyProvider_ = nullptr; 83 84 private: 85 std::shared_ptr<AudioSharedMemory> policyVolumeMap_ = nullptr; 86 volatile Volume *volumeVector_ = nullptr; 87 volatile bool *sharedAbsVolumeScene_ = nullptr; 88 DeviceType deviceType_ = DEVICE_TYPE_SPEAKER; 89 bool isHighResolutionExist_ = false; 90 }; 91 } // namespace AudioStandard 92 } // namespace OHOS 93 #endif // POLICY_HANDLER_H 94