--- a
+++ b/upmpd/avtransport.hxx
@@ -0,0 +1,58 @@
+/* Copyright (C) 2014 J.F.Dockes
+ *	 This program is free software; you can redistribute it and/or modify
+ *	 it under the terms of the GNU General Public License as published by
+ *	 the Free Software Foundation; either version 2 of the License, or
+ *	 (at your option) any later version.
+ *
+ *	 This program is distributed in the hope that it will be useful,
+ *	 but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	 GNU General Public License for more details.
+ *
+ *	 You should have received a copy of the GNU General Public License
+ *	 along with this program; if not, write to the
+ *	 Free Software Foundation, Inc.,
+ *	 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#ifndef _AVTRANSPORT_H_X_INCLUDED_
+#define _AVTRANSPORT_H_X_INCLUDED_
+
+#include <string>
+
+#include "libupnpp/device.hxx"
+
+class UpMpd;
+
+class UpMpdAVTransport : public UpnpService {
+public:
+    UpMpdAVTransport(UpMpd *dev);
+    virtual bool getEventData(bool all, 
+                              std::vector<std::string>& names, 
+                              std::vector<std::string>& values);
+    virtual const std::string& getServiceType();
+private:
+    int setAVTransportURI(const SoapArgs& sc, SoapData& data, bool setnext);
+    int getPositionInfo(const SoapArgs& sc, SoapData& data);
+    int getTransportInfo(const SoapArgs& sc, SoapData& data);
+    int getMediaInfo(const SoapArgs& sc, SoapData& data);
+    int getDeviceCapabilities(const SoapArgs& sc, SoapData& data);
+    int setPlayMode(const SoapArgs& sc, SoapData& data);
+    int getTransportSettings(const SoapArgs& sc, SoapData& data);
+    int getCurrentTransportActions(const SoapArgs& sc, SoapData& data);
+    int playcontrol(const SoapArgs& sc, SoapData& data, int what);
+    int seek(const SoapArgs& sc, SoapData& data);
+    int seqcontrol(const SoapArgs& sc, SoapData& data, int what);
+    // Translate MPD state to AVTransport state variables.
+    bool tpstateMToU(unordered_map<string, string>& state);
+
+    UpMpd *m_dev;
+    // State variable storage
+    unordered_map<string, string> m_tpstate;
+    string m_curMetadata;
+    string m_nextUri;
+    string m_nextMetadata;
+    // My track identifiers (for cleaning up)
+    set<int> m_songids;
+};
+
+#endif /* _AVTRANSPORT_H_X_INCLUDED_ */