/* ==================================================================== * 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 vocal@vovida.org. * * 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 $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. *  * ==================================================================== *  * This software consists of voluntary contributions made by Vovida * Networks, Inc. and many individuals on behalf of Vovida Networks, * Inc.  For more information on Vovida Networks, Inc., please see * <http://www.vovida.org/>. * */static const char* const rtpRecordC_c_Version =    "$Id: rtpRecordC.c,v 1.5 2000/12/18 23:44:52 bko Exp $";#include <unistd.h>#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include "rtpTypes.h"#include "rtpApi.h"int main (int argc, char *argv[]){    int file;    RtpSessionPtr stack;    RtpPacketPtr packet;    int i;    int ret;    if (argc != 2)    {        fprintf(stderr, "Usage: rtpRecordC file\n");        return -1;    }    file = open("FILErecv", O_CREAT | O_APPEND | O_WRONLY);    if (file == -1)    {        fprintf(stderr, "Could not open file: FILErecv\n");        return -1;    }    // receiving on localhost on port 5000/5001    RtpSession_create1( &stack, "localhost", 0, 5000, 5002, 5001);    RtpPacket_create1( &packet, 256, 0, 0);    // stop loop after 400 packet attempts    for (i = 0; i < 999; i++)    {        RtpSession_receive( stack, &packet, &ret);        if (ret > 0)        {            char* location;            int length;            RtpPacket_getPayloadLoc( packet , &location );            RtpPacket_getPayloadUsage( packet, &length );            /* loop until packet is written to file */            while ( length > 0 )            {                int written = write( file, location, length );                if ( written == -1 )                {                    fprintf(stderr, "\nProblem writing to file\n");                }                location += written;                length -= written;            }            fprintf(stderr, "*");            RtpSession_intervalRTCP( stack, &ret);            if (ret) RtpSession_transmitRTCP ( stack, &ret);            RtpSession_receiveRTCP( stack, &ret);        }        else        {            // no packet received            fprintf(stderr, "x");        }        // slow program down        usleep (2 * 1000);    }    return 0;}