ArHybridForwarderVideo.h

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/*
MobileRobots Advanced Robotics Interface for Applications (ARIA)
Copyright (C) 2004, 2005 ActivMedia Robotics LLC
Copyright (C) 2006, 2007 MobileRobots Inc.

     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

If you wish to redistribute ARIA under different terms, contact 
MobileRobots for information about a commercial version of ARIA at 
robots@mobilerobots.com or 
MobileRobots Inc, 19 Columbia Drive, Amherst, NH 03031; 800-639-9481
*/

#ifndef ARHYBRIDFORWARDERVIDEO_H
#define ARHYBRIDFORWARDERVIDEO_H

#include "Aria.h"
#include "ArServerBase.h"
#include "ArClientBase.h"

class ArHybridForwarderVideo : public ArCameraCollectionItem
{
public:
  AREXPORT ArHybridForwarderVideo(ArServerBase *server, ArClientBase *client);
  AREXPORT ArHybridForwarderVideo(ArServerBase *server, 
                                  const char *hostname = "localhost", 
                                  int port = 7070);
  AREXPORT virtual ~ArHybridForwarderVideo();

  AREXPORT bool isForwardingVideo(void) const;


  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  // ArCameraCollectionItem methods
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 

  AREXPORT virtual const char *getCameraName();


  AREXPORT virtual void setCameraName(const char *cameraName);

  AREXPORT virtual void addToCameraCollection(ArCameraCollection &collection);


  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  // Packet methods
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 

  AREXPORT void sendVideoSize(ArServerClient *client, ArNetPacket *packet);
  AREXPORT void sendVideo(ArServerClient *client, ArNetPacket *packet);
  AREXPORT void receiveVideoSize(ArNetPacket *packet);
  AREXPORT void receiveVideo(ArNetPacket *packet);
  AREXPORT void clientCycleCallback(void);
  void setVideoRequestTime(int ms) { myVideoRequestTime = ms; }
  int setVideoRequestTime(void) const { return myVideoRequestTime; }
protected:
  AREXPORT void finishConstructor(void);

  std::string myCameraName;

  ArMutex myMutex;
  bool myForwardingVideo;
  ArNetPacket myReceivedVideoSize;
  ArNetPacket myReceivedVideo;
  ArNetPacket mySendVideoArgument;
  ArTime myLastReceivedVideo;
  ArTime myLastReqSent;
  bool myReqSent;
  int myVideoRequestTime;
  ArServerBase *myServer;
  ArClientBase *myClient;
  ArFunctor2C<ArHybridForwarderVideo, ArServerClient*, 
      ArNetPacket *> *mySendVideoSizeCB;
  ArFunctor2C<ArHybridForwarderVideo, ArServerClient*, 
      ArNetPacket *> *mySendVideoCB;
  ArFunctor1C<ArHybridForwarderVideo, ArNetPacket *> *myReceiveVideoSizeCB;
  ArFunctor1C<ArHybridForwarderVideo, ArNetPacket *> *myReceiveVideoCB;
  ArFunctorC<ArHybridForwarderVideo> *myClientCycleCB;

  bool myIsSendVideoAvailable;
};


#endif 

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