Packets/MPEGDVBBundle/TransportPacket.hh

   1 // $Id:DatagramSection.hh 327 2007-07-20 10:03:44Z tho $
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
   5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
   6 //     Thorsten Horstmann <thorsten.horstmann@fokus.fraunhofer.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief TransportPacket public header */
  25
  26 #ifndef HH_TransportPacket_
  27 #define HH_TransportPacket_ 1
  28
  29 // Custom includes
  30 #include <algorithm>
  31 #include "../../Packets/PacketType.hh"
  32 #include "../../Packets/ParseInt.hh"
  33 #include "../../Packets/PacketParser.hh"
  34
  35 //#include "TransportPacket.mpp"
  36 ///////////////////////////////hh.p////////////////////////////////////////
  37
  38 namespace senf {
  39
  40     /** \brief Parse a Transport Stream packet
  41
  42         Parser implementing the header of a MPEG Transport Stream packet.
  43
  44         \see TransportPacketType
  45      */
  46     struct Parse_TransportPacket : public PacketParserBase
  47     {
  48         typedef Parse_Flag      <     0 > Parse_tei; // transport_error_indicator
  49         typedef Parse_Flag      <     1 > Parse_pusi; // payload_unit_start_indicator
  50         typedef Parse_Flag      <     2 > Parse_transportPrio;  // transport_priority
  51         typedef Parse_UIntField < 2, 16 > Parse_pid;
  52         typedef Parse_UIntField < 0,  2 > Parse_tsc; // transport_scrambling_control
  53         typedef Parse_UIntField < 2,  4 > Parse_adaptCtrl; // adaptation_field_control
  54         typedef Parse_UIntField < 4,  8 > Parse_contCounter; // continuity_counter
  55
  56 #       ifndef DOXYGEN
  57
  58         SENF_PACKET_PARSER_INIT(Parse_TransportPacket);
  59
  60         SENF_PACKET_PARSER_DEFINE_FIXED_FIELDS(
  61             ((Field       ) ( sync_byte,                 Parse_UInt8         ))
  62             ((OverlayField) ( transport_error_indicator, Parse_tei           ))
  63             ((OverlayField) ( pusi,                      Parse_pusi          ))
  64             ((OverlayField) ( transport_priority,        Parse_transportPrio ))
  65             ((Field       ) ( pid,                       Parse_pid           ))
  66             ((OverlayField) ( transport_scrmbl_ctrl,     Parse_tsc           ))
  67             ((OverlayField) ( adaptation_field_ctrl,     Parse_adaptCtrl     ))
  68             ((Field       ) ( continuity_counter,        Parse_contCounter   ))
  69         );
  70
  71 #       else
  72
  73         Parse_UInt8         sync_byte() const;
  74         Parse_tei           transport_error_indicator() const;
  75         Parse_pusi          pusi() const;
  76         Parse_transportPrio transport_priority() const;
  77         Parse_pid           pid() const;
  78         Parse_tsc           transport_scrmbl_ctrl() const;
  79         Parse_adaptCtrl     adaptation_field_ctrl() const;
  80         Parse_contCounter   continuity_counter() const;
  81
  82 #       endif
  83
  84 //        Parse_UInt8 payload_pointer() const {
  85 //            return parse<Parse_UInt8>( Parse_TransportPacket::fixed_bytes );
  86 //        }
  87     };
  88
  89     /** \brief Transport Stream packet
  90
  91         <table class="senf">
  92           <tr style="text-align:center">
  93             <th>Syntax</th><th>No. of bits</th></tr>
  94           <tr>
  95             <td>transport_packet() {</td> <td></td>
  96           </tr>
  97           <tr>
  98             <td style="padding-left:2em">\ref Parse_TransportPacket::sync_byte() "sync_byte"</td>
  99             <td>8</td></tr>
 100           <tr>
 101             <td style="padding-left:2em">\ref Parse_TransportPacket::transport_error_indicator() "transport_error_indicator"</td>
 102             <td>1</td></tr>
 103           <tr>
 104             <td style="padding-left:2em">\ref Parse_TransportPacket::pusi() "payload_uni_start_indicator"</td>
 105             <td>1</td></tr>
 106           <tr>
 107             <td style="padding-left:2em">\ref Parse_TransportPacket::transport_priority() "transport_priority"</td>
 108             <td>1</td></tr>
 109           <tr>
 110             <td style="padding-left:2em">\ref Parse_TransportPacket::pid() "PID"</td>
 111             <td>13</td></tr>
 112           <tr>
 113             <td style="padding-left:2em">\ref Parse_TransportPacket::transport_scrmbl_ctrl() "transport_scrambling_control"</td>
 114             <td>2</td></tr>
 115           <tr>
 116             <td style="padding-left:2em">\ref Parse_TransportPacket::adaptation_field_ctrl() "adaptation_field_control"</td>
 117             <td>2</td></tr>
 118           <tr>
 119             <td style="padding-left:2em">\ref Parse_TransportPacket::continuity_counter() "continuity_counter"</td>
 120             <td>4</td></tr>
 121           <tr>
 122             <td>}</td> <td></td></tr>
 123         </table>
 124
 125         \par Packet type (typedef):
 126             \ref TransportPacket
 127
 128         \par Fields:
 129             \ref Parse_TransportPacket
 130
 131         \ingroup protocolbundle_mpegdvb
 132      */
 133     struct TransportPacketType
 134         : public PacketTypeBase,
 135           public PacketTypeMixin<TransportPacketType>
 136     {
 137         typedef PacketTypeMixin<TransportPacketType> mixin;
 138         typedef ConcretePacket<TransportPacketType> packet;
 139         typedef Parse_TransportPacket parser;
 140
 141         using mixin::nextPacketRange;
 142         using mixin::init;
 143         using mixin::initSize;
 144
 145         static void dump(packet p, std::ostream & os);
 146     };
 147
 148     /** \brief Transport packet typedef */
 149     typedef TransportPacketType::packet TransportPacket;
 150
 151     #define TRANSPORT_PACKET_SYNC_BYTE 0x47
 152
 153 }
 154
 155
 156 ///////////////////////////////hh.e////////////////////////////////////////
 157 //#include "TransportPacket.cci"
 158 //#include "TransportPacket.ct"
 159 //#include "TransportPacket.cti"
 160 #endif
 161
 162 \f
 163 // Local Variables:
 164 // mode: c++
 165 // fill-column: 100
 166 // c-file-style: "senf"
 167 // indent-tabs-mode: nil
 168 // ispell-local-dictionary: "american"
 169 // compile-command: "scons -u test"
 170 // comment-column: 40
 171 // End: