lib/dvb_si/nit.h

   1 /*
   2  * $Id: nit.h,v 1.1 2003-10-17 15:36:38 tmbinc Exp $
   3  *
   4  * (C) 2002-2003 Andreas Oberritter <obi@saftware.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #ifndef __dvb_table_nit_h__
  23 #define __dvb_table_nit_h__
  24
  25 #include <lib/dvb_si/container.h>
  26 #include "long_crc_table.h"
  27
  28 class TransportStreamInfo : public DescriptorContainer
  29 {
  30         protected:
  31                 unsigned transportStreamId                      : 16;
  32                 unsigned originalNetworkId                      : 16;
  33                 unsigned reserved1                              : 4;
  34                 unsigned transportDescriptorsLength             : 12;
  35
  36         public:
  37                 TransportStreamInfo(const uint8_t * const buffer);
  38
  39                 uint16_t getTransportStreamId(void) const;
  40                 uint16_t getOriginalNetworkId(void) const;
  41 };
  42
  43 typedef std::vector<TransportStreamInfo *> TransportStreamInfoVector;
  44 typedef TransportStreamInfoVector::iterator TransportStreamInfoIterator;
  45 typedef TransportStreamInfoVector::const_iterator TransportStreamInfoConstIterator;
  46
  47 class NetworkInformationTable : public LongCrcTable, public DescriptorContainer
  48 {
  49         protected:
  50                 unsigned reserved4                              : 3;
  51                 unsigned networkDescriptorsLength               : 12;
  52                 unsigned reserved5                              : 4;
  53                 unsigned transportStreamLoopLength              : 12;
  54                 TransportStreamInfoVector tsInfo;
  55
  56         public:
  57                 NetworkInformationTable(const uint8_t * const buffer);
  58                 ~NetworkInformationTable(void);
  59
  60                 static const enum PacketId PID = PID_NIT;
  61                 static const enum TableId TID = TID_NIT_ACTUAL;
  62                 static const uint32_t TIMEOUT = 12000;
  63
  64                 const TransportStreamInfoVector *getTsInfo(void) const;
  65 };
  66
  67 typedef std::vector<NetworkInformationTable *> NetworkInformationTableVector;
  68 typedef NetworkInformationTableVector::iterator NetworkInformationTableIterator;
  69 typedef NetworkInformationTableVector::const_iterator NetworkInformationTableConstIterator;
  70
  71 #endif /* __dvb_table_nit_h__ */