Packets/MPEGDVBBundle/TransportPacket.hh

   1 // $Id:TransportPacket.hh 560 2007-12-13 14:39:37Z tho $
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Thorsten Horstmann <tho@berlios.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_SENF_Packets_MPEGDVBBundle_TransportPacket_
  27 #define HH_SENF_Packets_MPEGDVBBundle_TransportPacket_ 1
  28
  29 // Custom includes
  30 #include "../../Packets/Packets.hh"
  31
  32 //#include "TransportPacket.mpp"
  33 ///////////////////////////////hh.p////////////////////////////////////////
  34
  35 namespace senf {
  36
  37 //    struct PSIPayloadPacketParser : public PacketParserBase
  38 //    {
  39 //        static const size_type fixed_bytes = 184;
  40 //
  41 //    };
  42
  43
  44     /** \brief Parse a Transport Stream packet
  45
  46         Parser implementing the header of a MPEG Transport Stream packet.
  47
  48         \see TransportPacketType
  49      */
  50     struct TransportPacketParser : public PacketParserBase
  51     {
  52 #       include SENF_PARSER()
  53
  54         SENF_PARSER_FIELD       ( sync_byte,                  UInt8Parser );
  55
  56         SENF_PARSER_BITFIELD    ( transport_error_indicator,  1, bool     );
  57         SENF_PARSER_BITFIELD_RO ( pusi,                       1, bool     );
  58         SENF_PARSER_BITFIELD    ( transport_priority,         1, bool     );
  59         SENF_PARSER_BITFIELD    ( pid,                       13, unsigned );
  60         SENF_PARSER_BITFIELD    ( transport_scrmbl_ctrl,      2, unsigned );
  61         SENF_PARSER_BITFIELD    ( adaptation_field_ctrl,      2, unsigned );
  62         SENF_PARSER_BITFIELD    ( continuity_counter,         4, unsigned );
  63
  64         SENF_PARSER_PRIVATE_VARIANT ( pointer_field_, pusi,
  65                 (senf::VoidPacketParser) (UInt8Parser) );
  66
  67         SENF_PARSER_FINALIZE( TransportPacketParser );
  68
  69         UInt8Parser pointer_field() const;
  70         void init_fields() const;
  71         void setPUSI(bool pusi) const;
  72
  73         SENF_PARSER_INIT() {
  74             defaultInit();
  75             init_fields();
  76         }
  77     };
  78
  79     /** \brief Transport Stream packet
  80
  81         <table class="senf">
  82           <tr style="text-align:center">
  83             <th>Syntax</th><th>No. of bits</th></tr>
  84           <tr>
  85             <td>transport_packet() {</td> <td></td>
  86           </tr>
  87           <tr>
  88             <td style="padding-left:2em">\ref TransportPacketParser::sync_byte() "sync_byte"</td>
  89             <td>8</td></tr>
  90           <tr>
  91             <td style="padding-left:2em">\ref TransportPacketParser::transport_error_indicator() "transport_error_indicator"</td>
  92             <td>1</td></tr>
  93           <tr>
  94             <td style="padding-left:2em">\ref TransportPacketParser::pusi() "payload_uni_start_indicator"</td>
  95             <td>1</td></tr>
  96           <tr>
  97             <td style="padding-left:2em">\ref TransportPacketParser::transport_priority() "transport_priority"</td>
  98             <td>1</td></tr>
  99           <tr>
 100             <td style="padding-left:2em">\ref TransportPacketParser::pid() "PID"</td>
 101             <td>13</td></tr>
 102           <tr>
 103             <td style="padding-left:2em">\ref TransportPacketParser::transport_scrmbl_ctrl() "transport_scrambling_control"</td>
 104             <td>2</td></tr>
 105           <tr>
 106             <td style="padding-left:2em">\ref TransportPacketParser::adaptation_field_ctrl() "adaptation_field_control"</td>
 107             <td>2</td></tr>
 108           <tr>
 109             <td style="padding-left:2em">\ref TransportPacketParser::continuity_counter() "continuity_counter"</td>
 110             <td>4</td></tr>
 111           <tr>
 112             <td>}</td> <td></td></tr>
 113         </table>
 114
 115         \par Packet type (typedef):
 116             \ref TransportPacket
 117
 118         \par Fields:
 119             \ref TransportPacketParser
 120
 121         \ingroup protocolbundle_mpegdvb
 122      */
 123     struct TransportPacketType
 124         : public PacketTypeBase,
 125           public PacketTypeMixin<TransportPacketType>
 126     {
 127         typedef PacketTypeMixin<TransportPacketType> mixin;
 128         typedef ConcretePacket<TransportPacketType> packet;
 129         typedef TransportPacketParser parser;
 130
 131         using mixin::nextPacketRange;
 132         using mixin::init;
 133         using mixin::initSize;
 134
 135         static void dump(packet p, std::ostream & os);
 136         static const byte SYNC_BYTE = 0x47;
 137     };
 138
 139     /** \brief Transport packet typedef */
 140     typedef ConcretePacket<TransportPacketType> TransportPacket;
 141 }
 142
 143
 144 ///////////////////////////////hh.e////////////////////////////////////////
 145 //#include "TransportPacket.cci"
 146 //#include "TransportPacket.ct"
 147 //#include "TransportPacket.cti"
 148 #endif
 149
 150 \f
 151 // Local Variables:
 152 // mode: c++
 153 // fill-column: 100
 154 // c-file-style: "senf"
 155 // indent-tabs-mode: nil
 156 // ispell-local-dictionary: "american"
 157 // compile-command: "scons -u test"
 158 // comment-column: 40
 159 // End: