HRESULT CTS_Stream_Parse::adjust_PAT_table( TS_PAT * packet, unsigned char * buffer)
{
    packet->table_id                    = buffer[0];
    packet->section_syntax_indicator    = buffer[1] >> 7;
    packet->zero                        = buffer[1] >> 6 & 0x1;
    packet->reserved_1                  = buffer[1] >> 4 & 0x3;
    packet->section_length              = (buffer[1] & 0x0F) << 8 | buffer[2]; 
 
    packet->transport_stream_id           = buffer[3] << 8 | buffer[4];
 
    packet->reserved_2                    = buffer[5] >> 6;
    packet->version_number                = buffer[5] >> 1 &  0x1F;
    packet->current_next_indicator        = (buffer[5] << 7) >> 7;
    packet->section_number                = buffer[6];
    packet->last_section_number           = buffer[7]; 

    int len = 0;
    len = 3 + packet->section_length;
    packet->CRC_32                        = (buffer[len-4] & 0x000000FF) << 24
  | (buffer[len-3] & 0x000000FF) << 16
  | (buffer[len-2] & 0x000000FF) << 8 
  | (buffer[len-1] & 0x000000FF); 
 
    int n = 0;
    for ( n = 0; n < packet->section_length - 12; n += 4 )
    {
        unsigned  program_num = buffer[8 + n ] << 8 | buffer[9 + n ];  
        packet->reserved_3           = buffer[10 + n ] >> 5; 
  
        packet->network_PID = 0x00;
        if ( program_num == 0x00)
       {  
            packet->network_PID = (buffer[10 + n ] & 0x1F) << 8 | buffer[11 + n ];

            TS_network_Pid = packet->network_PID; //記錄該TS流的網路PID

             TRACE(" packet->network_PID %0x /n/n", packet->network_PID );
        }
        else
        {
           TS_PAT_Program PAT_program;
           PAT_program.program_map_PID = (buffer[10 + n] & 0x1F) << 8 | buffer[11 + n];
           PAT_program.program_number = program_num;
           packet->program.push_back( PAT_program );
           TS_program.push_back( PAT_program );//向全域性PAT節目陣列中新增PAT節目資訊     
        }         
    }
    return 0;
}