lib/dvb_si/pat.cpp

   1 /*
   2  * $Id: pat.cpp,v 1.1 2003-10-17 15:36:37 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 #include <lib/dvb_si/pat.h>
  23
  24 NetworkAssociation::NetworkAssociation(const uint8_t * const buffer)
  25 {
  26         programNumber = (buffer[0] << 8) | buffer[1];
  27         reserved = (buffer[2] >> 5) & 0x07;
  28         networkPid = ((buffer[2] & 0x1F) << 8) | buffer[3];
  29 }
  30
  31 uint16_t NetworkAssociation::getNetworkPid(void) const
  32 {
  33         return networkPid;
  34 }
  35
  36 ProgramAssociation::ProgramAssociation(const uint8_t * const buffer)
  37 {
  38         programNumber = (buffer[0] << 8) | buffer[1];
  39         reserved = (buffer[2] >> 5) & 0x07;
  40         programMapPid = ((buffer[2] & 0x1F) << 8) | buffer[3];
  41 }
  42
  43 uint16_t ProgramAssociation::getProgramNumber(void) const
  44 {
  45         return programNumber;
  46 }
  47
  48 uint16_t ProgramAssociation::getProgramMapPid(void) const
  49 {
  50         return programMapPid;
  51 }
  52
  53 ProgramAssociationTable::ProgramAssociationTable(const uint8_t * const buffer) : LongCrcTable(buffer)
  54 {
  55         for (uint16_t i = 8; i < sectionLength - 1; i += 4) {
  56                 if (((buffer[i] << 8) | buffer[i + 1]) == 0)
  57                         networks.push_back(new NetworkAssociation(&buffer[i]));
  58                 else
  59                         programs.push_back(new ProgramAssociation(&buffer[i]));
  60         }
  61 }
  62
  63 ProgramAssociationTable::~ProgramAssociationTable(void)
  64 {
  65         for (NetworkAssociationIterator i = networks.begin(); i != networks.end(); ++i)
  66                 delete *i;
  67
  68         for (ProgramAssociationIterator i = programs.begin(); i != programs.end(); ++i)
  69                 delete *i;
  70 }
  71
  72 const NetworkAssociationVector *ProgramAssociationTable::getNetworks(void) const
  73 {
  74         return &networks;
  75 }
  76
  77 const ProgramAssociationVector *ProgramAssociationTable::getPrograms(void) const
  78 {
  79         return &programs;
  80 }
  81