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_TRANSPORT_RECEIVER_ADAPTER_H 17 #define OHOS_AV_TRANSPORT_RECEIVER_ADAPTER_H 18 19 #include <condition_variable> 20 #include <mutex> 21 #include <memory> 22 #include <queue> 23 #include <string> 24 #include <thread> 25 26 #include "dscreen_constants.h" 27 #include "i_av_engine_provider.h" 28 #include "video_param.h" 29 30 namespace OHOS { 31 namespace DistributedHardware { 32 class AVReceiverAdapterCallback { 33 public: AVReceiverAdapterCallback()34 AVReceiverAdapterCallback() {}; 35 virtual ~AVReceiverAdapterCallback() = default; 36 virtual void OnEngineEvent(DScreenEventType event, const std::string &content) = 0; 37 virtual void OnEngineMessage(const std::shared_ptr<AVTransMessage> &message) = 0; 38 virtual void OnEngineDataDone(const std::shared_ptr<AVTransBuffer> &buffer) = 0; 39 }; 40 41 class AVTransReceiverAdapter : public IAVReceiverEngineCallback, 42 public std::enable_shared_from_this<AVTransReceiverAdapter> { 43 public: AVTransReceiverAdapter()44 AVTransReceiverAdapter() {}; ~AVTransReceiverAdapter()45 ~AVTransReceiverAdapter() override {}; 46 47 int32_t Initialize(IAVEngineProvider *providerPtr, const std::string& peerDevId); 48 int32_t Release(); 49 int32_t Start(); 50 int32_t Stop(); 51 int32_t SetParameter(const AVTransTag &tag, const std::string ¶m); 52 int32_t SendMessageToRemote(const std::shared_ptr<AVTransMessage> &message); 53 int32_t RegisterAdapterCallback(const std::shared_ptr<AVReceiverAdapterCallback> &callback); 54 55 // interfaces from IAVReceiverEngineCallback 56 int32_t OnReceiverEvent(const AVTransEvent& event) override; 57 int32_t OnMessageReceived(const std::shared_ptr<AVTransMessage> &message) override; 58 int32_t OnDataAvailable(const std::shared_ptr<AVTransBuffer> &buffer) override; 59 60 private: 61 std::atomic<bool> initialized_ {false}; 62 std::shared_ptr<IAVReceiverEngine> receiverEngine_; 63 std::shared_ptr<AVReceiverAdapterCallback> adapterCallback_; 64 }; 65 } // namespace DistributedHardware 66 } // namespace OHOS 67 #endif