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 16 #ifndef OHOS_DISTRIBUTED_CAMERA_SINK_SERVICE_H 17 #define OHOS_DISTRIBUTED_CAMERA_SINK_SERVICE_H 18 19 #include <mutex> 20 #include "system_ability.h" 21 #include "ipc_object_stub.h" 22 23 #include "dcamera_sink_dev.h" 24 #include "dcamera_sink_hidumper.h" 25 #include "distributed_camera_constants.h" 26 #include "distributed_camera_sink_stub.h" 27 28 namespace OHOS { 29 namespace DistributedHardware { 30 class DistributedCameraSinkService : public SystemAbility, public DistributedCameraSinkStub { 31 DECLARE_SYSTEM_ABILITY(DistributedCameraSinkService); 32 33 public: 34 DistributedCameraSinkService(int32_t saId, bool runOnCreate); 35 ~DistributedCameraSinkService() override = default; 36 37 int32_t InitSink(const std::string& params, const sptr<IDCameraSinkCallback> &sinkCallback) override; 38 int32_t ReleaseSink() override; 39 int32_t SubscribeLocalHardware(const std::string& dhId, const std::string& parameters) override; 40 int32_t UnsubscribeLocalHardware(const std::string& dhId) override; 41 int32_t StopCapture(const std::string& dhId) override; 42 int32_t ChannelNeg(const std::string& dhId, std::string& channelInfo) override; 43 int32_t GetCameraInfo(const std::string& dhId, std::string& cameraInfo) override; 44 int32_t OpenChannel(const std::string& dhId, std::string& openInfo) override; 45 int32_t CloseChannel(const std::string& dhId) override; 46 int Dump(int32_t fd, const std::vector<std::u16string>& args) override; 47 static void GetCamDumpInfo(CameraDumpInfo& camDump); 48 int32_t PauseDistributedHardware(const std::string &networkId) override; 49 int32_t ResumeDistributedHardware(const std::string &networkId) override; 50 int32_t StopDistributedHardware(const std::string &networkId) override; 51 52 protected: 53 void OnStart() override; 54 void OnStop() override; 55 DISALLOW_COPY_AND_MOVE(DistributedCameraSinkService); 56 57 private: 58 bool IsCurSinkDev(std::shared_ptr<DCameraSinkDev> sinkDevice); 59 60 bool Init(); 61 void GetCamIds(); 62 bool registerToService_ = false; 63 DCameraServiceState state_ = DCameraServiceState::DCAMERA_SRV_STATE_NOT_START; 64 65 std::string sinkVer_; 66 std::mutex mapMutex_; 67 std::map<std::string, std::shared_ptr<DCameraSinkDev>> camerasMap_; 68 static DistributedCameraSinkService* dcSinkService; 69 const size_t DUMP_MAX_SIZE = 10 * 1024; 70 }; 71 } // namespace DistributedHardware 72 } // namespace OHOS 73 #endif // OHOS_DISTRIBUTED_CAMERA_SINK_SERVICE_H