videodevice.hxx

SIP（Session Initiation Protocol）是由IETF定义

#ifndef VideoDevice_hxx
#define VideoDevice_hxx

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * 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 names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */
static const char* const VideoDevice_hxx_Version =
    "$Id: VideoDevice.hxx,v 1.1.2.2 2003/03/03 20:45:30 sprajpat Exp $";
#include "global.h"
#include <map>
#include "MediaDevice.hxx"
#include "Sdp2Session.hxx"

using Vocal::SDP::SdpSession;

class CLiveConfig;
namespace Vocal
{

namespace UA
{    

/**
 * This class is used as a interface to play to a Video device.
 * The device interfaces to MPEG4IP library to handle transmit/receive
 * of the RTP data.
 */
class VideoDevice : public MediaDevice
{
    public:
        ///Creates an interface for a Video device
        VideoDevice(int id);

        ///
        ~VideoDevice(void);

        ///setup a media session using local and remote SDP
        int setupSession(SdpSession& remoteSdp, SdpSession& localSdp);

        ///Starts the media to destination pointed by remoteSdp. 
        int startMedia(SdpSession& remoteSdp);

        /// 
        int stop();

        ///
        int getMyId() const { return myId; }

        ///Based on the network resources available, create a local SDP data
        int generateSdpData(SdpSession& localSdp);

        ///
        void shutdown();

    private:
        ///
        void processAudio () { };
        ///Nothing to do
        int start() { return 0;};
        ///Nothing to do
        int suspend() { return 0;};
        ///Nothing to do
        int resume() { return 0; };
        ///
        void sinkData(char* data, int length, VCodecType type=G711U) { };

        ///
        int myId;
        ///
        unsigned long myHandle;
        ///
        CLiveConfig* myCConfig;
};
 
}

}


/* Local Variables: */
/* c-file-style: "stroustrup" */
/* indent-tabs-mode: nil */
/* c-file-offsets: ((access-label . -) (inclass . ++)) */
/* c-basic-offset: 4 */
/* End: */

#endif