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_TransportPacket_
  27 #define HH_TransportPacket_ 1
  28
  29 // Custom includes
  30 #include <algorithm>
  31 #include "../../Packets/Packets.hh"
  32
  33 //#include "TransportPacket.mpp"
  34 ///////////////////////////////hh.p////////////////////////////////////////
  35
  36 namespace senf {
  37
  38     /** \brief Parse a Transport Stream packet
  39
  40         Parser implementing the header of a MPEG Transport Stream packet.
  41
  42         \see TransportPacketType
  43      */
  44     struct TransportPacketParser : public PacketParserBase
  45     {
  46 #       include SENF_FIXED_PARSER()
  47
  48         SENF_PARSER_FIELD    ( sync_byte,                  UInt8Parser  );
  49
  50         SENF_PARSER_BITFIELD ( transport_error_indicator,   1, bool     );
  51         SENF_PARSER_BITFIELD ( pusi,                        1, bool     );
  52         SENF_PARSER_BITFIELD ( transport_priority,          1, bool     );
  53         SENF_PARSER_BITFIELD ( pid,                        13, unsigned );
  54         SENF_PARSER_BITFIELD ( transport_scrmbl_ctrl,       2, unsigned );
  55         SENF_PARSER_BITFIELD ( adaptation_field_ctrl,       2, unsigned );
  56         SENF_PARSER_BITFIELD ( continuity_counter,          4, unsigned );
  57
  58         SENF_PARSER_FINALIZE( TransportPacketParser );
  59
  60 //        UInt8Parser payload_pointer() const {
  61 //            return parse<UInt8Parser>( TransportPacketParser::fixed_bytes );
  62 //        }
  63     };
  64
  65     /** \brief Transport Stream packet
  66
  67         <table class="senf">
  68           <tr style="text-align:center">
  69             <th>Syntax</th><th>No. of bits</th></tr>
  70           <tr>
  71             <td>transport_packet() {</td> <td></td>
  72           </tr>
  73           <tr>
  74             <td style="padding-left:2em">\ref TransportPacketParser::sync_byte() "sync_byte"</td>
  75             <td>8</td></tr>
  76           <tr>
  77             <td style="padding-left:2em">\ref TransportPacketParser::transport_error_indicator() "transport_error_indicator"</td>
  78             <td>1</td></tr>
  79           <tr>
  80             <td style="padding-left:2em">\ref TransportPacketParser::pusi() "payload_uni_start_indicator"</td>
  81             <td>1</td></tr>
  82           <tr>
  83             <td style="padding-left:2em">\ref TransportPacketParser::transport_priority() "transport_priority"</td>
  84             <td>1</td></tr>
  85           <tr>
  86             <td style="padding-left:2em">\ref TransportPacketParser::pid() "PID"</td>
  87             <td>13</td></tr>
  88           <tr>
  89             <td style="padding-left:2em">\ref TransportPacketParser::transport_scrmbl_ctrl() "transport_scrambling_control"</td>
  90             <td>2</td></tr>
  91           <tr>
  92             <td style="padding-left:2em">\ref TransportPacketParser::adaptation_field_ctrl() "adaptation_field_control"</td>
  93             <td>2</td></tr>
  94           <tr>
  95             <td style="padding-left:2em">\ref TransportPacketParser::continuity_counter() "continuity_counter"</td>
  96             <td>4</td></tr>
  97           <tr>
  98             <td>}</td> <td></td></tr>
  99         </table>
 100
 101         \par Packet type (typedef):
 102             \ref TransportPacket
 103
 104         \par Fields:
 105             \ref TransportPacketParser
 106
 107         \ingroup protocolbundle_mpegdvb
 108      */
 109     struct TransportPacketType
 110         : public PacketTypeBase,
 111           public PacketTypeMixin<TransportPacketType>
 112     {
 113         typedef PacketTypeMixin<TransportPacketType> mixin;
 114         typedef ConcretePacket<TransportPacketType> packet;
 115         typedef TransportPacketParser parser;
 116
 117         using mixin::nextPacketRange;
 118         using mixin::init;
 119         using mixin::initSize;
 120
 121         static void dump(packet p, std::ostream & os);
 122     };
 123
 124     /** \brief Transport packet typedef */
 125     typedef TransportPacketType::packet TransportPacket;
 126
 127     #define TRANSPORT_PACKET_SYNC_BYTE 0x47
 128
 129 }
 130
 131
 132 ///////////////////////////////hh.e////////////////////////////////////////
 133 //#include "TransportPacket.cci"
 134 //#include "TransportPacket.ct"
 135 //#include "TransportPacket.cti"
 136 #endif
 137
 138 \f
 139 // Local Variables:
 140 // mode: c++
 141 // fill-column: 100
 142 // c-file-style: "senf"
 143 // indent-tabs-mode: nil
 144 // ispell-local-dictionary: "american"
 145 // compile-command: "scons -u test"
 146 // comment-column: 40
 147 // End: