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 I_ENGINE_FACTORY_H 17 #define I_ENGINE_FACTORY_H 18 19 #include <string> 20 #include <memory> 21 #include "i_player_engine.h" 22 #include "i_recorder_engine.h" 23 #include "i_avmetadatahelper_engine.h" 24 #include "i_avcodec_engine.h" 25 #include "i_avcodeclist_engine.h" 26 27 namespace OHOS { 28 namespace Media { 29 class IEngineFactory { 30 public: 31 enum class Scene { 32 SCENE_PLAYBACK, 33 SCENE_AVMETADATA, 34 SCENE_RECORDER, 35 SCENE_AVCODEC, 36 SCENE_AVCODECLIST, 37 }; 38 39 virtual ~IEngineFactory() = default; 40 virtual int32_t Score(Scene scene, const std::string &uri = "") = 0; 41 virtual std::unique_ptr<IPlayerEngine> CreatePlayerEngine() = 0; 42 virtual std::unique_ptr<IRecorderEngine> CreateRecorderEngine() = 0; 43 virtual std::unique_ptr<IAVMetadataHelperEngine> CreateAVMetadataHelperEngine() = 0; 44 virtual std::unique_ptr<IAVCodecEngine> CreateAVCodecEngine() = 0; 45 virtual std::unique_ptr<IAVCodecListEngine> CreateAVCodecListEngine() = 0; 46 47 protected: 48 static constexpr int32_t MAX_SCORE = 100; 49 static constexpr int32_t MIN_SCORE = 0; 50 }; 51 } // namespace Media 52 } // namespace OHOS 53 #endif