move srt src like webrtc (#4471)

srt/SrtPusher.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT-like license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef ZLMEDIAKIT_SRTPUSHER_H
+#define ZLMEDIAKIT_SRTPUSHER_H
+
+#include "Network/Socket.h"
+#include "Pusher/PusherBase.h"
+#include "Poller/Timer.h"
+#include "Util/TimeTicker.h"
+#include "srt/SrtTransport.hpp"
+#include "Http/HttpRequester.h"
+#include <memory>
+#include <string>
+#include "SrtCaller.h"
+
+namespace mediakit {
+
+// 实现了srt代理推流功能
+class SrtPusher
+    : public PusherBase , public SrtCaller {
+public:
+    using Ptr = std::shared_ptr<SrtPusher>;
+
+    SrtPusher(const toolkit::EventPoller::Ptr &poller,const TSMediaSource::Ptr &src);
+    ~SrtPusher() override;
+
+    //// PusherBase override////
+    void publish(const std::string &url) override;
+    void teardown() override;
+
+    void doPublish();
+protected:
+
+    //// SrtCaller override////
+    void onHandShakeFinished() override;
+    void onResult(const toolkit::SockException &ex) override;
+
+    bool isPlayer() override {return false;}
+    uint16_t getLatency() override;
+    float getTimeOutSec() override;
+    std::string getPassphrase() override;
+
+protected:
+    std::weak_ptr<TSMediaSource> _push_src;
+    TSMediaSource::RingType::RingReader::Ptr _ts_reader;
+
+    size_t getSendSpeed() override;
+    size_t getSendTotalBytes() override;
+};
+
+using SrtPusherImp = PusherImp<SrtPusher, PusherBase>;
+
+} /* namespace mediakit */
+#endif /* ZLMEDIAKIT_SRTPUSHER_H */