216 lines
		
	
	
	
		
			8.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			216 lines
		
	
	
	
		
			8.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /// \file Connector_RTSP/main.cpp
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| /// Contains the main code for the RTSP Connector
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| 
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| #include <queue>
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| #include <cmath>
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| #include <ctime>
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| #include <cstdio>
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| #include <string>
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| #include <climits>
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| #include <cstdlib>
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| #include <cstring>
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| #include <unistd.h>
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| #include <getopt.h>
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| #include <iostream>
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| #include <sys/time.h>
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| #include <sys/wait.h>
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| #include <sys/types.h>
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| #include <sys/epoll.h>
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| #include "../util/socket.h"
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| #include "../util/flv_tag.h"
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| #include "../util/http_parser.h"
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| //JRTPLIB
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| #include "rtp.h"
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| 
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| std::string ReadNALU( ) {
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|   static char Separator[3] = { (char)0x00, (char)0x00, (char)0x01 };
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|   std::string Buffer;
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|   std::string Result;
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|   do {
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|     Buffer += std::cin.get();
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|   } while ( std::cin.good() && ( Buffer.find( Separator,0,3 ) == std::string::npos ) );
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|   if( !std::cin.good() ) { return ""; }
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|   Result = Buffer.substr(0, Buffer.find( Separator,0,3 ) );
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|   while( *(Result.end() - 1) == (char)0x00 ) { Result.erase( Result.end() - 1 ); }
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|   if( Result.size() == 0 ) { Result = ReadNALU( ); }
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|   return Result;
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| }
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| 
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| /// The main function of the connector
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| /// \param conn A connection with the client
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| int RTSP_Handler( Socket::Connection conn ) {
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|   bool ready4data = false;
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|   FLV::Tag tag;///< Temporary tag buffer for incoming video data.
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|   bool PlayVideo = false;
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|   bool PlayAudio = true;
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|   bool InitVideo = false;
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|   bool InitAudio = true;
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|   bool VideoMeta = false;
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|   int RTPClientPort;
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|   int RTCPClientPort;
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|   bool inited;
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|   jrtplib::RTPSession VideoSession;
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|   jrtplib::RTPSessionParams VideoParams;
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|   jrtplib::RTPUDPv4TransmissionParams VideoTransParams;
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|   std::string PreviousRequest = "";
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|   Socket::Connection ss(-1);
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|   HTTP::Parser HTTP_R, HTTP_S;
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|   bool PerRequest = false;
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|   while(conn.connected() && !FLV::Parse_Error) {
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|     if( HTTP_R.Read(conn ) ) {
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|       fprintf( stderr, "REQUEST:\n%s\n", HTTP_R.BuildRequest().c_str() );
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|       if( HTTP_R.GetHeader( "User-Agent" ).find( "RealMedia Player Version" ) != std::string::npos) {
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|         PerRequest = true;
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|       }
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|       HTTP_S.protocol = "RTSP/1.0";
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|       if( HTTP_R.method == "OPTIONS" ) {
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|         HTTP_S.SetHeader( "CSeq", HTTP_R.GetHeader( "CSeq" ).c_str() );
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|         HTTP_S.SetHeader( "Public", "DESCRIBE, SETUP, TEARDOWN, PLAY" );
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|         HTTP_S.SetBody( "\r\n\r\n" );
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|         fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "200", "OK" ).c_str() );
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|         conn.write( HTTP_S.BuildResponse( "200", "OK" ) );
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|       } else if ( HTTP_R.method == "DESCRIBE" ) {
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|         if( HTTP_R.GetHeader( "Accept" ).find( "application/sdp" ) == std::string::npos ) {
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "501", "Not Implemented" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "501", "Not Implemented" ) );
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|         } else {
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|           HTTP_S.SetHeader( "CSeq", HTTP_R.GetHeader( "CSeq" ).c_str() );
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|           HTTP_S.SetHeader( "Content-Type", "application/sdp" );
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|           HTTP_S.SetBody( "v=0\r\no=- 0 0 IN IP4 ddvtech.com\r\ns=Fifa Test\r\nc=IN IP4 127.0.0.1\r\nt=0 0\r\na=recvonly\r\nm=video 0 RTP/AVP 98\r\na=rtpmap:98 H264/700000\r\n\r\n" );//a=fmtp:98 packetization-mode=1\r\n\r\n" );
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "200", "OK" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "200", "OK" ) );
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|         }
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|       } else if ( HTTP_R.method == "SETUP" ) {
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|         std::string temp = HTTP_R.GetHeader("Transport");
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|         int ClientRTPLoc = temp.find( "client_port=" ) + 12;
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|         int PortSpacer = temp.find( "-", ClientRTPLoc );
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|         int PortEnd = ( temp.find( ";", PortSpacer ) );
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|         RTPClientPort = atoi( temp.substr( ClientRTPLoc, ( PortSpacer - ClientRTPLoc ) ).c_str() );
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|         RTCPClientPort = atoi( temp.substr( PortSpacer + 1 , ( PortEnd - ( PortSpacer + 1 ) ) ).c_str() );
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|         if( HTTP_S.GetHeader( "Session" ) != "" ) {
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "459", "Aggregate Operation Not Allowed" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "459", "Aggregate Operation Not Allowed" ) );
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|         } else {
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|           HTTP_S.SetHeader( "CSeq", HTTP_R.GetHeader( "CSeq" ).c_str() );
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|           HTTP_S.SetHeader( "Session", time(NULL) );
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|           HTTP_S.SetHeader( "Transport", HTTP_R.GetHeader( "Transport" ) + ";server_port=50000-50001" );
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|           HTTP_S.SetBody( "\r\n\r\n" );
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "200", "OK" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "200", "OK" ) );
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|         }
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|       } else if( HTTP_R.method == "PLAY" ) {
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|         if( HTTP_R.GetHeader( "Range" ).substr(0,4) != "npt=" ) {
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "501", "Not Implemented" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "501", "Not Implemented" ) );
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|         } else {
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|           HTTP_S.SetHeader( "CSeq", HTTP_R.GetHeader( "CSeq" ).c_str() );
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|           HTTP_S.SetHeader( "Session", HTTP_R.GetHeader( "Session" ) );
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|           HTTP_S.SetHeader( "Range", HTTP_R.GetHeader( "Range" ) );
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|           HTTP_S.SetHeader( "RTP-Info", "url=" + HTTP_R.url + ";seq=0;rtptime=0" );
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|           HTTP_S.SetBody( "\r\n\r\n" );
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "200", "OK" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "200", "OK" ) );
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|           PlayVideo = true;
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|         }
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|       } else if( HTTP_R.method == "TEARDOWN" ) {
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|           HTTP_S.SetHeader( "CSeq", HTTP_R.GetHeader( "CSeq" ).c_str() );
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|           HTTP_S.SetBody( "\r\n\r\n" );
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|           fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "200", "OK" ).c_str() );
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|           conn.write( HTTP_S.BuildResponse( "200", "OK" ) );
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|           PlayVideo = false;
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|       } else {
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|         fprintf( stderr, "RESPONSE:\n%s\n", HTTP_S.BuildResponse( "501", "Not Implemented" ).c_str() );
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|         conn.write( HTTP_S.BuildResponse( "501", "Not Implemented" ) );
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|       }
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|       HTTP_R.Clean();
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|       HTTP_S.Clean();
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|       if( PerRequest ) {
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|         conn.close();
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|       }
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| /*      if( ( PlayVideo ) && !inited ) {
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|         ss = Socket::Connection("/tmp/shared_socket_fifa");
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|         if (!ss.connected()){
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|           #if DEBUG >= 1
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|           fprintf(stderr, "Could not connect to server!\n");
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|           #endif
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|           conn.close();
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|           break;
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|         }
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|         #if DEBUG >= 3
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|         fprintf(stderr, "Everything connected, starting to send video data...\n");
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|         #endif
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|         inited = true;
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|       }*/
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|     }
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|     if( PlayVideo ) {
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|       if( !InitVideo ) {
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|         VideoParams.SetOwnTimestampUnit( 1.0/90000.0 );
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|         VideoParams.SetMaximumPacketSize( 10000 );
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|         VideoTransParams.SetPortbase( 50000 );
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|         int VideoStatus = VideoSession.Create( VideoParams, &VideoTransParams );
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|         if( VideoStatus < 0 ) {
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|           std::cerr << jrtplib::RTPGetErrorString( VideoStatus ) << std::endl;
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|           exit( -1 );
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|         } else {
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|           std::cerr << "Created video session\n";
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|         }
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|         uint8_t localip[]={127,0,0,1};
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|         jrtplib::RTPIPv4Address addr(localip,RTPClientPort);
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|         
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|         VideoStatus = VideoSession.AddDestination(addr);
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|         if (VideoStatus < 0) {
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|           std::cerr << jrtplib::RTPGetErrorString(VideoStatus) << std::endl;
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|           exit(-1);
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|         } else {
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|           std::cerr << "Destination Set\n";
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|         }
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|         VideoSession.SetDefaultPayloadType(98);
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|         VideoSession.SetDefaultMark(false);
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|         VideoSession.SetDefaultTimestampIncrement(0);
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|         InitVideo = true;
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|       }
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| //      std::cerr << "Retrieving NALU from stdin\n";
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|       std::string VideoBuf = ReadNALU( );
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|       if( VideoBuf == "" ) {
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|         jrtplib::RTPTime delay = jrtplib::RTPTime(10.0);
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|         VideoSession.BYEDestroy(delay,"Out of data",11);
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|         conn.close();
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|       } else {
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| //        std::cerr << "NALU Retrieved:\n";
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| //        std::cerr << "\t" << (int)VideoBuf[0] << " " << (int)VideoBuf[2]
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| //        << " " << (int)VideoBuf[3] << " " << (int)VideoBuf[4] << "\n";
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|         VideoSession.SendPacket( VideoBuf.c_str(), VideoBuf.size(), 98, false, ( 700000.0 / VideoBuf.size() ) );
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|       }
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|     }
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| /*
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|     switch (ss.ready()){
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|       case -1:
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|         conn.close();
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|         #if DEBUG >= 1
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|         fprintf(stderr, "Source socket is disconnected.\n");
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|         #endif
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|         break;
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|       case 0: break;//not ready yet
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|       default:
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|         if (tag.SockLoader(ss)){//able to read a full packet?
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|           if( tag.data[ 0 ] == 0x09 ) {
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|             if( ( ( tag.data[ 11 ] & 0x0F ) == 7 ) ) { //&& ( tag.data[ 12 ] == 1 ) ) {
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|               fprintf(stderr, "Video contains NALU\n" );
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|             }
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|           }
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|           if( tag.data[ 0 ] == 0x08 ) {
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|             if( ( tag.data[ 11 ] == 0xAF ) && ( tag.data[ 12 ] == 0x01 ) ) {
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|               fprintf(stderr, "Audio Contains Raw AAC\n");
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|             }
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|           }          
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|         }
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|         break;
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|     }*/
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|   }
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|   return 0;
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| }
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| 
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| #define DEFAULT_PORT 554
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| #define MAINHANDLER RTSP_Handler
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| #define CONFIGSECT RTSP
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| #include "../util/server_setup.cpp"
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