lib/dvb_si/sdt.h

   1 /*
   2  * $Id: sdt.h,v 1.1 2003-10-17 15:36:38 tmbinc Exp $
   3  *
   4  * (C) 2002 by Andreas Oberritter <obi@tuxbox.org>
   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_sdt_h__
  23 #define __dvb_table_sdt_h__
  24
  25 #include <lib/dvb_si/container.h>
  26 #include "long_crc_table.h"
  27
  28 class ServiceDescription : public DescriptorContainer
  29 {
  30         protected:
  31                 unsigned serviceId                              : 16;
  32                 unsigned reserved1                              : 6;
  33                 unsigned eitScheduleFlag                        : 1;
  34                 unsigned eitPresentFollowingFlag                : 1;
  35                 unsigned runningStatus                          : 3;
  36                 unsigned freeCaMode                             : 1;
  37                 unsigned descriptorsLoopLength                  : 12;
  38
  39         public:
  40                 ServiceDescription(const uint8_t * const buffer);
  41
  42                 uint16_t getServiceId(void) const;
  43                 uint8_t getEitScheduleFlag(void) const;
  44                 uint8_t getEitPresentFollowingFlag(void) const;
  45                 uint8_t getRunningStatus(void) const;
  46                 uint8_t getFreeCaMode(void) const;
  47 };
  48
  49 typedef std::vector<ServiceDescription *> ServiceDescriptionVector;
  50 typedef ServiceDescriptionVector::iterator ServiceDescriptionIterator;
  51 typedef ServiceDescriptionVector::const_iterator ServiceDescriptionConstIterator;
  52
  53 class ServiceDescriptionTable : public LongCrcTable
  54 {
  55         protected:
  56                 unsigned originalNetworkId                      : 16;
  57                 unsigned reserved4                              : 8;
  58                 ServiceDescriptionVector description;
  59
  60         public:
  61                 ServiceDescriptionTable(const uint8_t * const buffer);
  62                 ~ServiceDescriptionTable(void);
  63
  64                 static const enum PacketId PID = PID_SDT;
  65                 static const enum TableId TID = TID_SDT_ACTUAL;
  66                 static const uint32_t TIMEOUT = 3000;
  67
  68                 uint16_t getOriginalNetworkId(void) const;
  69                 uint16_t getTransportStreamId(void) const { return getTableIdExtension(); }
  70                 const ServiceDescriptionVector *getDescriptions(void) const;
  71 };
  72
  73 typedef std::vector<ServiceDescriptionTable *> ServiceDescriptionTableVector;
  74 typedef ServiceDescriptionTableVector::iterator ServiceDescriptionTableIterator;
  75 typedef ServiceDescriptionTableVector::const_iterator ServiceDescriptionTableConstIterator;
  76
  77 #endif /* __dvb_table_sdt_h__ */