1 /* 2 * Copyright (c) 2025-2025 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_CAMERA_H_CAPTURE_SESSION_MANAGER_H 17 #define OHOS_CAMERA_H_CAPTURE_SESSION_MANAGER_H 18 19 #include <iterator> 20 #include <list> 21 #include <memory> 22 #include <mutex> 23 #include <cstdint> 24 #include <unordered_map> 25 26 #include "camera_util.h" 27 #include "refbase.h" 28 #include "singleton.h" 29 30 namespace OHOS { 31 namespace CameraStandard { 32 class HCaptureSession; 33 class SessionGroup : public std::list<sptr<HCaptureSession>> {}; 34 class HCameraSessionManager : public Singleton<HCameraSessionManager> { 35 public: 36 size_t GetTotalSessionSize(); 37 size_t GetGroupCount(); 38 size_t GetSessionSize(pid_t pid); 39 std::list<sptr<HCaptureSession>> GetTotalSession(); 40 std::list<sptr<HCaptureSession>> GetGroupSessions(pid_t pid); 41 sptr<HCaptureSession> GetGroupDefaultSession(pid_t pid); 42 CamServiceError AddSession(sptr<HCaptureSession> session); 43 void RemoveSession(sptr<HCaptureSession> session); 44 void RemoveGroup(pid_t pid); 45 void PreemptOverflowSessions(pid_t pid); 46 47 private: 48 void RemoveGroupNoLock(std::unordered_map<pid_t, SessionGroup>::iterator mapIt); 49 50 std::mutex totalSessionMapMutex_; 51 std::unordered_map<pid_t, SessionGroup> totalSessionMap_; 52 }; 53 } // namespace CameraStandard 54 } // namespace OHOS 55 56 #endif