Diff: rtp.cpp

Revision:

0:4d17cd9c8f9d

Child:

2:93bec7313ccc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp.cpp	Tue Sep 09 20:01:24 2014 +0000
@@ -0,0 +1,83 @@
+#include "rtp.h"
+
+RTP_Header::RTP_Header( int cb_ext ){
+    // por algum motivo do alem, comecar do 0 nao funcionou
+    ss_id = 0x01010101 + ( uint32_t )cb_ext;
+    seq_number = 0x0101;
+    timestamp = 240;
+}
+
+RTP_Header::~RTP_Header(){
+    // something
+}
+
+char * RTP_Header::build_header( char * pkg ){
+    if( pkg == NULL ) return( NULL );
+    
+    for( register int i = 0; i < __RTP_HEADER_SIZE__; i++ ) pkg[ i ] = 0xff;
+
+    pkg[ 0 ] &= 0x80;
+    
+    pkg[ 1 ] &= 0x08;
+
+    pkg[ 2 ] = 0xff;
+    pkg[ 2 ] &= ( char )( seq_number >> 8 );
+    pkg[ 3 ] &= ( char )( seq_number & 0xff );
+    
+    pkg[ 4 ] &= ( char )( timestamp >> 24 & 0xff  );
+    pkg[ 5 ] &= ( char )( timestamp >> 16 & 0xff );
+    pkg[ 6 ] &= ( char )( timestamp >> 8 & 0xff );
+    pkg[ 7 ] &= ( char )( timestamp & 0xff );
+    
+    pkg[ 8 ] &= ( char )( ss_id >> 24 & 0xff );
+    pkg[ 9 ] &= ( char )( ss_id >> 16 & 0xff );
+    pkg[ 10 ] &= ( char )( ss_id >> 8 & 0xff );
+    pkg[ 11 ] &= ( char )( ss_id & 0xff );
+    
+    pkg[ __RTP_HEADER_SIZE__ ] = 0;
+    timestamp += 240;
+    seq_number++;
+    
+    return( pkg );
+}
+
+size_t RTP_Header::size( void ){
+    return( __RTP_HEADER_SIZE__ );    
+}
+
+RTP_Body::RTP_Body(){
+    // do something
+}
+
+RTP_Body::~RTP_Body(){
+    // something
+}
+
+size_t RTP_Body::size( void ){
+    return( sizeof( RTP_Body ) );    
+}
+
+char * RTP_Body::build_body( char * dest, char * buffer ){
+    for( register int i = 0; i < __CB_AUDIO_DATA_SIZE__; i++ ) dest[ i ] = buffer[ i ];
+    return( dest );
+}
+
+RTP::RTP( int ext ){
+    rtp_header = new RTP_Header( ext );
+    rtp_body = new RTP_Body();
+}
+
+RTP::~RTP(){
+    if( rtp_header ) delete( rtp_header );
+    if( rtp_body ) delete( rtp_body );
+}
+
+char * RTP::build_eth_package( char * buffer ){
+    rtp_header->build_header( this->pkg );
+    rtp_body->build_body( this->pkg + __RTP_HEADER_OFFSET__, buffer );
+    return( this->pkg );
+}
+
+size_t RTP::header_size( void ){
+    return rtp_header->size();
+}
\ No newline at end of file