rtpRecordC.c
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上传日期:2013-07-25
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- /* ====================================================================
- * 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 filen");
- return -1;
- }
- file = open("FILErecv", O_CREAT | O_APPEND | O_WRONLY);
- if (file == -1)
- {
- fprintf(stderr, "Could not open file: FILErecvn");
- 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 filen");
- }
- 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;
- }