add RtspMediaSource::Clone

src/Rtsp/RtspMediaSource.h

@@ -76,6 +76,10 @@ public:
         return _sdp;
     }
 
+    virtual RtspMediaSource::Ptr Clone(const std::string& stream) {
+        return nullptr;
+    }
+
     /**
      * 获取相应轨道的ssrc
      */

src/Rtsp/RtspMediaSourceImp.cpp

@@ -126,6 +126,12 @@ void RtspMediaSourceImp::setProtocolOption(const ProtocolOption &option)
     }
 }
 
+RtspMediaSource::Ptr RtspMediaSourceImp::Clone(const std::string &stream) {
+    auto src_imp = std::make_shared<RtspMediaSourceImp>(getVhost(), getApp(), stream);
+    src_imp->setSdp(getSdp());
+    src_imp->setProtocolOption(getProtocolOption());
+    return src_imp;
+}
 
 }
 

src/Rtsp/RtspMediaSourceImp.h

@@ -107,6 +107,7 @@ public:
         }
     }
 
+    RtspMediaSource::Ptr Clone(const std::string& stream) override;
 private:
     bool _all_track_ready = false;
     ProtocolOption _option;