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_SENDER_ADAPTER_H 17 #define OHOS_AV_TRANSPORT_SENDER_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 AVSenderAdapterCallback { 33 public: AVSenderAdapterCallback()34 AVSenderAdapterCallback() {}; 35 virtual ~AVSenderAdapterCallback() = default; 36 virtual void OnEngineEvent(DScreenEventType event, const std::string &content) = 0; 37 virtual void OnEngineMessage(const std::shared_ptr<AVTransMessage> &message) = 0; 38 }; 39 40 class AVTransSenderAdapter : public IAVSenderEngineCallback, 41 public std::enable_shared_from_this<AVTransSenderAdapter> { 42 public: AVTransSenderAdapter()43 AVTransSenderAdapter() {}; ~AVTransSenderAdapter()44 ~AVTransSenderAdapter() override {}; 45 46 int32_t Initialize(IAVEngineProvider *providerPtr, const std::string &peerDevId); 47 int32_t Release(); 48 int32_t Start(); 49 int32_t Stop(); 50 int32_t SetParameter(const AVTransTag &tag, const std::string ¶m); 51 int32_t PushData(const VideoData &video); 52 int32_t SendMessageToRemote(const std::shared_ptr<AVTransMessage> &message); 53 int32_t CreateControlChannel(const std::string &peerDevId); 54 int32_t RegisterAdapterCallback(const std::shared_ptr<AVSenderAdapterCallback> &callback); 55 56 // interfaces from IAVSenderEngineCallback 57 int32_t OnSenderEvent(const AVTransEvent& event) override; 58 int32_t OnMessageReceived(const std::shared_ptr<AVTransMessage> &message) override; 59 60 private: 61 int32_t WaitForChannelCreated(); 62 int32_t WaitForAVTransStarted(); 63 64 private: 65 std::atomic<bool> initialized_ {false}; 66 std::mutex chnCreatedMtx_; 67 std::mutex transStartedMtx_; 68 std::condition_variable chnCreatedCondVar_; 69 std::condition_variable transStartedCondVar_; 70 std::atomic<bool> chnCreateSuccess_ {false}; 71 std::atomic<bool> transStartSuccess_ {false}; 72 73 std::shared_ptr<IAVSenderEngine> senderEngine_; 74 std::shared_ptr<AVSenderAdapterCallback> adapterCallback_; 75 }; 76 } // namespace DistributedHardware 77 } // namespace OHOS 78 #endif