From 2f4cbcb00a288c0981f4a7df353ee558be681f12 Mon Sep 17 00:00:00 2001
From: Erik Zandvliet <erik.zandvliet@ddvtech.com>
Date: Wed, 24 Aug 2011 09:11:23 +0200
Subject: [PATCH] Local Cleanup + RTP Parser

---
 Connector_TS/trim.cpp | 20 --------------
 RTP_Parser/main.cpp   | 63 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 20 deletions(-)
 delete mode 100644 Connector_TS/trim.cpp
 create mode 100644 RTP_Parser/main.cpp

diff --git a/Connector_TS/trim.cpp b/Connector_TS/trim.cpp
deleted file mode 100644
index 2149095b..00000000
--- a/Connector_TS/trim.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-
-#include<iostream>
-#include<string>
-
-int main( ) {
-  std::string Temp;
-  while( std::cin.good() ) {
-    Temp += std::cin.get();
-  }
-  while( Temp[0] == (char)0x00 ) {
-    Temp.erase( Temp.begin() );
-  }
-  Temp.erase( Temp.end() - 1 );
-  while( Temp[ Temp.size()-1 ] == (char)0x00 ) {
-    Temp.erase( Temp.end() - 1 );
-  }
-  for( int i = 0; i < Temp.size(); i++ ) {
-    std::cout << Temp[i];
-  }
-}
diff --git a/RTP_Parser/main.cpp b/RTP_Parser/main.cpp
new file mode 100644
index 00000000..30ad3842
--- /dev/null
+++ b/RTP_Parser/main.cpp
@@ -0,0 +1,63 @@
+#include <iostream>
+#include <cstdio>
+
+///A struct that will contain all data stored in a RTP Header
+struct RTP_Header {
+ char Version;
+ bool Padding;
+ bool Extension;
+ char CSRC_Count;
+ bool Marker;
+ char Payload_Type;
+ int Sequence_Number;
+ int Timestamp;
+ int SSRC;
+};//RTP_Header
+
+
+///Fills a RTP Header
+///\param hdr A RTP Header structure
+///\param Header A characterpointer to an RTP packet
+///\param HeaderSize the expected length of the header
+void Read_Header( RTP_Header & hdr, char * Header, int HeaderSize ) {
+  hdr.Version = ( Header[0] & 0xC0 ) >> 6;
+  hdr.Padding = ( Header[0] & 0x20 ) >> 5;
+  hdr.Extension = ( Header[0] & 0x10 ) >> 4;
+  hdr.CSRC_Count = ( Header[0] & 0x0F );
+  hdr.Marker = ( Header[1] & 0x80 ) >> 7;
+  hdr.Payload_Type = ( Header[1] & 0x7F );
+  hdr.Sequence_Number = ( ( ( Header[2] ) << 8 ) + ( Header[3] ) ) & 0x0000FFFF;
+  hdr.Timestamp = ( ( Header[4] ) << 24 ) + ( ( Header[5] ) << 16 ) + ( ( Header[6] ) << 8 ) + ( Header[7] );
+  hdr.SSRC = ( ( Header[8] ) << 24 ) + ( ( Header[9] ) << 16 ) + ( ( Header[10] ) << 8 ) + ( Header[11] );
+}
+
+///Prints a RTP header
+///\param hdr The RTP Header
+void Print_Header( RTP_Header hdr ) {
+  printf( "RTP Header:\n" );
+  printf( "\tVersion:\t\t%d\n", hdr.Version );
+  printf( "\tPadding:\t\t%d\n", hdr.Padding );
+  printf( "\tExtension:\t\t%d\n", hdr.Extension );
+  printf( "\tCSRC Count:\t\t%d\n", hdr.CSRC_Count );
+  printf( "\tMarker:\t\t\t%d\n", hdr.Marker );
+  printf( "\tPayload Type:\t\t%d\n", hdr.Payload_Type );
+  printf( "\tSequence Number:\t%d\n", hdr.Sequence_Number );
+  printf( "\tTimestamp:\t\t%u\n", hdr.Timestamp );
+  printf( "\tSSRC:\t\t\t%u\n", hdr.SSRC );
+}
+
+int main( ) {
+  int HeaderSize = 12;
+  char Header[ HeaderSize ];
+  
+  for( int i = 0; i < HeaderSize; i++ ) {
+    if( !std::cin.good() ) { break; }
+    Header[ i ] = std::cin.get();
+  }
+  
+  RTP_Header hdr;
+  
+  Read_Header( hdr, Header, HeaderSize );
+  Print_Header( hdr );
+  return 0;
+}