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diff --git a/Plugins/jingle/libjingle/talk/session/phone/mediachannel.h b/Plugins/jingle/libjingle/talk/session/phone/mediachannel.h
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+++ b/Plugins/jingle/libjingle/talk/session/phone/mediachannel.h
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+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice, 
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products 
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_SESSION_PHONE_MEDIACHANNEL_H_
+#define TALK_SESSION_PHONE_MEDIACHANNEL_H_
+
+#include "talk/base/basictypes.h"
+#include "talk/base/sigslot.h"
+#include "talk/session/phone/codec.h"
+
+namespace cricket {
+
+class VoiceChannel;
+	
+struct MediaInfo {
+	unsigned short fraction_lost;
+	unsigned long cum_lost;
+	unsigned long ext_max;
+	unsigned long jitter;
+	int RTT;
+	int bytesSent;
+	int packetsSent;
+	int bytesReceived;
+	int packetsReceived;
+};
+
+class MediaChannel : public sigslot::has_slots<> {
+ public:
+  class NetworkInterface {
+  public:
+    virtual void SendPacket(const void *data, size_t len) = 0;
+  };
+  MediaChannel() {network_interface_ = NULL;}
+  virtual ~MediaChannel() {};
+  void SetInterface(NetworkInterface *iface) {network_interface_ = iface;}
+  virtual void SetCodecs(const std::vector<Codec> &codecs) = 0;
+  virtual void OnPacketReceived(const void *data, int len) = 0;
+  virtual void SetPlayout(bool playout) = 0;
+  virtual void SetSend(bool send) = 0;
+  virtual int GetOutputLevel() = 0;
+
+  virtual void StartMediaMonitor(VoiceChannel * voice_channel, uint32 cms) = 0;
+  virtual void StopMediaMonitor() = 0;
+  sigslot::signal2<MediaChannel *, const MediaInfo &> SignalMediaMonitor;
+
+
+  NetworkInterface *network_interface() {return network_interface_;}
+ protected:
+  NetworkInterface *network_interface_;
+};
+
+};  // namespace cricket
+
+#endif  // TALK_SESSION_PHONE_MEDIACHANNEL_H_