Timestamp update
This commit is contained in:
Erik Zandvliet
parent
ba61ce2cef
commit
ba56200ecb
3 changed files with 52 additions and 39 deletions
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@ -18,12 +18,12 @@ class Transport_Packet {
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public:
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Transport_Packet( bool PacketStart = false, int PID = 0x100 );
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void SetPayload( char * Payload, int PayloadLen, int Offset = 13 );
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void SetPesHeader( int Offset = 4 );
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void SetPesHeader( int Offset = 4, int MsgLen = 0xFFFF, int Current = 0, int Previous = 0 );
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void Write( );
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void Write( Socket::Connection conn );
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void SetContinuityCounter( int Counter );
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void SetMessageLength( int MsgLen );
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void SetAdaptationField( );
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void SetAdaptationField( double TimeStamp = 0 );
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void CreatePAT( int ContinuityCounter );
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void CreatePMT( int ContinuityCounter );
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private:
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@ -36,7 +36,7 @@ Transport_Packet::Transport_Packet( bool PacketStart, int PID ) {
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Buffer[0] = (char)0x47;
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Buffer[1] = ( PacketStart ? (char)0x40 : 0 ) + (( PID & 0xFF00 ) >> 8 );
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Buffer[2] = ( PID & 0x00FF );
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Buffer[3] = (char)0x00;
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Buffer[3] = (char)0x10;
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}
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void Transport_Packet::SetMessageLength( int MsgLen ) {
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@ -48,28 +48,40 @@ void Transport_Packet::SetContinuityCounter( int Counter ) {
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Buffer[3] = ( Buffer[3] & 0xF0 ) + ( Counter & 0x0F );
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}
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void Transport_Packet::SetPesHeader( int Offset ) {
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void Transport_Packet::SetPesHeader( int Offset, int MsgLen, int Current, int Previous ) {
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Buffer[Offset] = (char)0x00;
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Buffer[Offset+1] = (char)0x00;
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Buffer[Offset+2] = (char)0x01;
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Buffer[Offset+3] = (char)0xE0;
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Buffer[Offset+4] = (char)0xFF;
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Buffer[Offset+5] = (char)0xFF;
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Buffer[Offset+4] = ( MsgLen & 0xFF00 ) >> 8;
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Buffer[Offset+5] = ( MsgLen & 0x00FF );
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Buffer[Offset+6] = (char)0x80;
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Buffer[Offset+7] = (char)0x00;
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Buffer[Offset+8] = (char)0x00;
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Buffer[Offset+7] = (char)0xC0;
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Buffer[Offset+8] = (char)0x0A;
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Buffer[Offset+9] = (char)0x30 + ( (Current & 0xC0000000 ) >> 29 ) + (char)0x01;
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Buffer[Offset+10] = ( ( ( Current & 0x3FFF8000 ) >> 14 ) & 0xFF00 ) >> 8;
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Buffer[Offset+11] = ( ( ( Current & 0x3FFF8000 ) >> 14 ) & 0x00FF ) + (char)0x01;
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Buffer[Offset+12] = ( ( ( Current & 0x00007FFF ) << 1 ) & 0xFF00 ) >> 8;
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Buffer[Offset+13] = ( ( ( Current & 0x00007FFF ) << 1 ) & 0x00FF ) + (char)0x01;
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Buffer[Offset+14] = (char)0x10 + ( (Previous & 0xC0000000 ) >> 29 ) + (char)0x01;
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Buffer[Offset+15] = ( ( ( Previous & 0x3FFF8000 ) >> 14 ) & 0xFF00 ) >> 8;
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Buffer[Offset+16] = ( ( ( Previous & 0x3FFF8000 ) >> 14 ) & 0x00FF ) + (char)0x01;
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Buffer[Offset+17] = ( ( ( Previous & 0x00007FFF ) << 1 ) & 0xFF00 ) >> 8;
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Buffer[Offset+18] = ( ( ( Previous & 0x00007FFF ) << 1 ) & 0x00FF ) + (char)0x01;
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}
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void Transport_Packet::SetAdaptationField( ) {
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void Transport_Packet::SetAdaptationField( double TimeStamp ) {
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int Extension = (int)TimeStamp % 300;
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int Base = (int)TimeStamp / 300;
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Buffer[3] = ( Buffer[3] & 0x0F ) + 0x30;
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Buffer[4] = (char)0x07;
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Buffer[5] = (char)0x10;
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Buffer[6] = (char)0x00;
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Buffer[7] = (char)0x00;
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Buffer[8] = (char)0x80;
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Buffer[9] = (char)0xD9;
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Buffer[10] = (char)0x7E;
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Buffer[11] = (char)0x00;
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Buffer[6] = ( ( Base >> 1 ) & 0xFF000000 ) >> 24;
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Buffer[7] = ( ( Base >> 1 ) & 0x00FF0000 ) >> 16;
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Buffer[8] = ( ( Base >> 1 ) & 0x0000FF00 ) >> 8;
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Buffer[9] = ( ( Base >> 1 ) & 0x000000FF );
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Buffer[10] = ( ( Extension & 0x0100) >> 4 ) + ( ( Base & 0x00000001 ) << 7 );
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Buffer[11] = ( Extension & 0x00FF);
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}
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void Transport_Packet::SetPayload( char * Payload, int PayloadLen, int Offset ) {
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@ -82,7 +94,7 @@ void Transport_Packet::CreatePAT( int ContinuityCounter ) {
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Buffer[3] = (char)0x10 + ContinuityCounter;
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Buffer[4] = (char)0x00;
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Buffer[5] = (char)0x00;
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Buffer[6] = (char)0xD0;
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Buffer[6] = (char)0xB0;
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Buffer[7] = (char)0x0D;
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Buffer[8] = (char)0x00;
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Buffer[9] = (char)0x01;
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@ -160,25 +172,27 @@ void SendPMT( Socket::Connection conn ) {
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std::vector<Transport_Packet> WrapNalus( FLV::Tag tag ) {
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static int ContinuityCounter = 0;
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static int previous = 0;
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int now;
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Transport_Packet TS;
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int PacketAmount = ( ( tag.len - (188 - 25 ) ) / 184 ) + 2;
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std::cerr << "Wrapping a tag of length " << tag.len << " into " << PacketAmount << " TS Packet(s)\n";
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int PacketAmount = ( ( tag.len - (188 - 35 ) ) / 184 ) + 2;
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std::vector<Transport_Packet> Result;
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char LeadIn[4] = { (char)0x00, (char)0x00, (char)0x00, (char)0x01 };
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TS = Transport_Packet( true, 0x100 );
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TS.SetContinuityCounter( ContinuityCounter );
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ContinuityCounter = ( ( ContinuityCounter + 1 ) & 0x0F );
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TS.SetAdaptationField( );
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TS.SetPesHeader( 12 );
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TS.SetMessageLength( tag.len - 16 );
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TS.SetPayload( LeadIn, 4, 21 );
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TS.SetPayload( &tag.data[16], 169, 25 );
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now = ( (tag.data[4]) << 16) + ( (tag.data[5]) << 8) + tag.data[6] + ( (tag.data[7]) << 24 );
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TS.SetAdaptationField( now );
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TS.SetPesHeader( 12, tag.len - 16 , now, previous );
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previous = now;
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TS.SetPayload( LeadIn, 12, 31 );
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TS.SetPayload( &tag.data[16], 149, 35 );
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Result.push_back( TS );
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for( int i = 0; i < (PacketAmount - 1); i++ ) {
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TS = Transport_Packet( false, 0x100 );
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TS.SetContinuityCounter( ContinuityCounter );
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ContinuityCounter = ( ( ContinuityCounter + 1 ) & 0x0F );
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TS.SetPayload( &tag.data[169+(184*i)], 184, 4 );
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TS.SetPayload( &tag.data[16+149+(184*i)], 184, 4 );
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Result.push_back( TS );
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}
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return Result;
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@ -198,6 +212,7 @@ int TS_Handler( Socket::Connection conn ) {
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bool inited = false;
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bool firstvideo = true;
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Socket::Connection ss(-1);
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int zet = 0;
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while(conn.connected() && !FLV::Parse_Error) {
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if( !inited ) {
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ss = Socket::Connection("/tmp/shared_socket_fifa");
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@ -227,17 +242,13 @@ int TS_Handler( Socket::Connection conn ) {
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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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// if( firstvideo ) {
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// firstvideo = false;
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// } else {
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SendPAT( conn );
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SendPMT( conn );
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std::vector<Transport_Packet> Meh = WrapNalus( tag );
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std::cerr << "Received " << Meh.size( ) << " Transport Packet(s)\n";
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for( int i = 0; i < Meh.size( ); i++ ) {
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Meh[i].Write( conn );
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}
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// }
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std::cerr << "Item: " << ++zet << "\n";
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}
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}
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if( tag.data[ 0 ] == 0x08 ) {
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@ -256,3 +267,6 @@ int TS_Handler( Socket::Connection conn ) {
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#define MAINHANDLER TS_Handler
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#define CONFIGSECT TS
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#include "../util/server_setup.cpp"
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//TODO::TODO::TODO::Fix Timestamps
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