1 /* 2 * Copyright (c) 2021 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 DISTRIBUTED_CAMERA_PROVIDER_H 17 #define DISTRIBUTED_CAMERA_PROVIDER_H 18 19 #include "dcamera.h" 20 #include "idistributed_camera_provider_callback.h" 21 22 namespace OHOS { 23 namespace DistributedHardware { 24 class DCameraHost; 25 class DCameraDevice; 26 class DCameraProvider { 27 public: 28 DCameraProvider() = default; 29 virtual ~DCameraProvider() = default; 30 DCameraProvider(const DCameraProvider &other) = delete; 31 DCameraProvider(DCameraProvider &&other) = delete; 32 DCameraProvider& operator=(const DCameraProvider &other) = delete; 33 DCameraProvider& operator=(DCameraProvider &&other) = delete; 34 35 public: 36 static std::shared_ptr<DCameraProvider> GetInstance(); 37 DCamRetCode EnableDCameraDevice(const std::shared_ptr<DHBase> &dhBase, const std::string &abilitySet, 38 const sptr<IDCameraProviderCallback> &callback); 39 DCamRetCode DisableDCameraDevice(const std::shared_ptr<DHBase> &dhBase); 40 DCamRetCode AcquireBuffer(const std::shared_ptr<DHBase> &dhBase, int streamId, 41 std::shared_ptr<DCameraBuffer> &buffer); 42 DCamRetCode ShutterBuffer(const std::shared_ptr<DHBase> &dhBase, int streamId, 43 const std::shared_ptr<DCameraBuffer> &buffer); 44 DCamRetCode OnSettingsResult(const std::shared_ptr<DHBase> &dhBase, const std::shared_ptr<DCameraSettings> &result); 45 DCamRetCode Notify(const std::shared_ptr<DHBase> &dhBase, const std::shared_ptr<DCameraHDFEvent> &event); 46 47 DCamRetCode OpenSession(const std::shared_ptr<DHBase> &dhBase); 48 DCamRetCode CloseSession(const std::shared_ptr<DHBase> &dhBase); 49 DCamRetCode ConfigureStreams(const std::shared_ptr<DHBase> &dhBase, 50 const std::vector<std::shared_ptr<DCStreamInfo>> &streamInfos); 51 DCamRetCode ReleaseStreams(const std::shared_ptr<DHBase> &dhBase, const std::vector<int> &streamIds); 52 DCamRetCode StartCapture(const std::shared_ptr<DHBase> &dhBase, 53 const std::vector<std::shared_ptr<DCCaptureInfo>> &captureInfos); 54 DCamRetCode StopCapture(const std::shared_ptr<DHBase> &dhBase); 55 DCamRetCode UpdateSettings(const std::shared_ptr<DHBase> &dhBase, 56 const std::vector<std::shared_ptr<DCameraSettings>> &settings); 57 58 private: 59 bool IsDhBaseInfoInvalid(const std::shared_ptr<DHBase> &dhBase); 60 sptr<IDCameraProviderCallback> GetCallbackBydhBase(const std::shared_ptr<DHBase> &dhBase); 61 OHOS::sptr<DCameraDevice> GetDCameraDevice(const std::shared_ptr<DHBase> &dhBase); 62 63 private: 64 class AutoRelease { 65 public: AutoRelease()66 AutoRelease() {}; ~AutoRelease()67 ~AutoRelease() 68 { 69 if (DCameraProvider::instance_ != nullptr) { 70 DCameraProvider::instance_ = nullptr; 71 } 72 }; 73 }; 74 static AutoRelease autoRelease_; 75 static std::shared_ptr<DCameraProvider> instance_; 76 }; 77 } // end namespace DistributedHardware 78 } // end namespace OHOS 79 #endif // DISTRIBUTED_CAMERA_PROVIDER_H