1 /* 2 * Copyright (c) 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 VPE_VIDEO_PROCESSING_SERVER_H 17 #define VPE_VIDEO_PROCESSING_SERVER_H 18 19 #include <atomic> 20 #include <cinttypes> 21 #include <functional> 22 #include <memory> 23 #include <string> 24 #include <unordered_map> 25 26 #include <refbase.h> 27 #include <system_ability.h> 28 29 #include "event_handler.h" 30 #include "event_runner.h" 31 #include "ipc_types.h" 32 33 #include "video_processing_algorithm_factory.h" 34 #include "video_processing_service_manager_stub.h" 35 #include "vpe_log.h" 36 37 namespace OHOS { 38 namespace Media { 39 namespace VideoProcessingEngine { 40 class VideoProcessingServer : public SystemAbility, public VideoProcessingServiceManagerStub { 41 DECLARE_SYSTEM_ABILITY(VideoProcessingServer); 42 43 public: 44 VideoProcessingServer(int32_t saId, bool runOnCreate); 45 ~VideoProcessingServer(); 46 VideoProcessingServer(const VideoProcessingServer&) = delete; 47 VideoProcessingServer& operator=(const VideoProcessingServer&) = delete; 48 VideoProcessingServer(VideoProcessingServer&&) = delete; 49 VideoProcessingServer& operator=(VideoProcessingServer&&) = delete; 50 51 ErrCode LoadInfo(int32_t key, SurfaceBufferInfo& bufferInfo) override; 52 53 // For optimized SA 54 ErrCode Create(const std::string& feature, const std::string& clientName, int32_t& clientID) final; 55 ErrCode Destroy(int32_t clientID) final; 56 ErrCode SetParameter(int32_t clientID, int32_t tag, const std::vector<uint8_t>& parameter) final; 57 ErrCode GetParameter(int32_t clientID, int32_t tag, std::vector<uint8_t>& parameter) final; 58 ErrCode UpdateMetadata(int32_t clientID, SurfaceBufferInfo& image) final; 59 ErrCode Process(int32_t clientID, const SurfaceBufferInfo& input, SurfaceBufferInfo& output) final; 60 ErrCode ComposeImage(int32_t clientID, const SurfaceBufferInfo& inputSdrImage, 61 const SurfaceBufferInfo& inputGainmap, SurfaceBufferInfo& outputHdrImage, bool legacy) final; 62 ErrCode DecomposeImage(int32_t clientID, const SurfaceBufferInfo& inputImage, SurfaceBufferInfo& outputSdrImage, 63 SurfaceBufferInfo& outputGainmap) final; 64 65 private: 66 using AlgoPtr = std::shared_ptr<IVideoProcessingAlgorithm>; 67 68 void OnStart(const SystemAbilityOnDemandReason& startReason) final; 69 void OnStop(const SystemAbilityOnDemandReason& stopReason) final; 70 71 void UnloadVideoProcessingSA(); 72 73 // For optimized SA 74 ErrCode CreateLocked(const std::string& feature, const std::string& clientName, uint32_t& id); 75 ErrCode DestroyLocked(uint32_t id); 76 bool CreateUnloadHandler(); 77 bool CreateUnloadHandlerLocked(); 78 void DestroyUnloadHandler(); 79 void DelayUnloadTask(); 80 void DelayUnloadTaskLocked(); 81 void ClearAlgorithms(); 82 ErrCode Execute(int clientID, std::function<int(AlgoPtr&, uint32_t)>&& operation, const LogInfo& logInfo); 83 84 VideoProcessingAlgorithmFactory factory_{}; 85 mutable std::mutex lock_{}; 86 // Guarded by lock_ begin 87 std::atomic<bool> isWorking_{false}; 88 std::shared_ptr<AppExecFwk::EventHandler> unloadHandler_{}; 89 std::unordered_map<uint32_t, std::string> clients_{}; 90 std::unordered_map<std::string, AlgoPtr> algorithms_{}; 91 // Guarded by lock_ end 92 }; 93 } // namespace VideoProcessingEngine 94 } // namespace Media 95 } // namespace OHOS 96 97 #endif // VPE_VIDEO_PROCESSING_SERVER_H 98