1 2 /* 3 * Copyright (c) 2023 Huawei Device Co., Ltd. 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include <string> 17 #include <atomic> 18 #include "single_instance.h" 19 namespace OHOS { 20 namespace DistributedHardware { 21 enum class HISTREAM_PLUGIN_TYPE : uint8_t { 22 AUDIO_ENCODER, 23 AUDIO_DECODER, 24 VIDEO_ENCODER, 25 VIDEO_DECODER 26 }; 27 28 class HiStreamerQueryTool { 29 DECLARE_SINGLE_INSTANCE(HiStreamerQueryTool); 30 public: 31 std::string QueryHiStreamerPluginInfo(HISTREAM_PLUGIN_TYPE type); 32 private: 33 std::atomic<bool> isInit = false; 34 void Init(); 35 }; 36 } 37 }