1 /* 2 * Copyright (c) 2023 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_AV_SYNC_MANAGER_H 17 #define OHOS_AV_SYNC_MANAGER_H 18 19 #include <mutex> 20 21 #include "av_sync_utils.h" 22 #include "av_trans_message.h" 23 #include "av_trans_types.h" 24 25 namespace OHOS { 26 namespace DistributedHardware { 27 constexpr uint32_t AV_SYNC_STREAM_COUNT = 2; 28 29 class AVSyncManager { 30 public: 31 AVSyncManager(); 32 ~AVSyncManager(); 33 34 void AddStreamInfo(const AVStreamInfo &stream); 35 void RemoveStreamInfo(const AVStreamInfo &stream); 36 void HandleAvSyncMessage(const std::shared_ptr<AVTransMessage> &message); 37 38 private: 39 void EnableSenderAVSync(); 40 void DisableSenderAVSync(); 41 void EnableReceiverAVSync(const std::string &groupInfo); 42 void DisableReceiverAVSync(const std::string &groupInfo); 43 bool MergeGroupInfo(std::string &syncGroupInfo); 44 45 private: 46 std::mutex listMutex_; 47 48 std::vector<AVStreamInfo> streamInfoList_; 49 AVTransSharedMemory sourceMemory_; 50 AVTransSharedMemory sinkMemory_; 51 }; 52 } 53 } 54 #endif