1 /* 2 * Copyright (c) 2021-2025 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 OHOS_DISTRIBUTED_CAMERA_SOURCE_SERVICE_H 17 #define OHOS_DISTRIBUTED_CAMERA_SOURCE_SERVICE_H 18 19 #include <memory> 20 #include <mutex> 21 #include <map> 22 #include <thread> 23 #include <vector> 24 25 #include "system_ability.h" 26 #include "ipc_object_stub.h" 27 28 #include "dcamera_source_hidumper.h" 29 #include "dcamera_index.h" 30 #include "dcamera_service_state_listener.h" 31 #include "dcamera_source_dev.h" 32 #include "distributed_camera_constants.h" 33 #include "distributed_camera_source_stub.h" 34 #include "distributed_hardware_fwk_kit.h" 35 36 namespace OHOS { 37 namespace DistributedHardware { 38 class DistributedCameraSourceService : public SystemAbility, public DistributedCameraSourceStub { 39 DECLARE_SYSTEM_ABILITY(DistributedCameraSourceService); 40 41 public: 42 DistributedCameraSourceService(int32_t saId, bool runOnCreate); 43 ~DistributedCameraSourceService() override = default; 44 45 int32_t InitSource(const std::string& params, const sptr<IDCameraSourceCallback>& callback) override; 46 int32_t ReleaseSource() override; 47 int32_t RegisterDistributedHardware(const std::string& devId, const std::string& dhId, 48 const std::string& reqId, const EnableParam& param) override; 49 int32_t UnregisterDistributedHardware(const std::string& devId, const std::string& dhId, 50 const std::string& reqId) override; 51 int32_t DCameraNotify(const std::string& devId, const std::string& dhId, std::string& events) override; 52 int Dump(int32_t fd, const std::vector<std::u16string>& args) override; 53 static void GetDumpInfo(CameraDumpInfo& camDump); 54 55 static void CamDevInsert(DCameraIndex& index, std::shared_ptr<DCameraSourceDev>& camDev); 56 static std::shared_ptr<DCameraSourceDev> GetCamDevByIndex(DCameraIndex& index); 57 static void CamDevErase(DCameraIndex& index); 58 static uint32_t GetCamDevNum(); 59 void StartHicollieThread(); 60 61 protected: 62 void OnStart() override; 63 void OnStop() override; 64 DISALLOW_COPY_AND_MOVE(DistributedCameraSourceService); 65 66 private: 67 bool Init(); 68 int32_t LoadDCameraHDF(); 69 int32_t UnLoadCameraHDF(); 70 std::string GetCodecInfo(); 71 std::shared_ptr<DistributedHardwareFwkKit> GetDHFwkKit(); 72 73 bool registerToService_ = false; 74 DCameraServiceState state_ = DCameraServiceState::DCAMERA_SRV_STATE_NOT_START; 75 76 std::shared_ptr<ICameraStateListener> listener_; 77 std::string sourceVer_; 78 const size_t MAX_CAMERAS_NUMBER = 32; 79 const size_t DUMP_MAX_SIZE = 10 * 1024; 80 81 static std::map<DCameraIndex, std::shared_ptr<DCameraSourceDev>> camerasMap_; 82 static std::mutex camDevMutex_; 83 std::thread hicollieThread_; 84 std::atomic<bool> isHicollieRunning_ = false; 85 std::shared_ptr<DistributedHardwareFwkKit> dHFwkKit_; 86 std::mutex dHFwkKitMutex_; 87 }; 88 } // namespace DistributedHardware 89 } // namespace OHOS 90 #endif // OHOS_DISTRIBUTED_CAMERA_SOURCE_SERVICE_H 91