lib/service/event.cpp

   1 #include <lib/service/event.h>
   2 #include <lib/base/estring.h>
   3 #include <lib/base/encoding.h>
   4 #include <lib/dvb/dvbtime.h>
   5 #include <lib/dvb/idvb.h>
   6 #include <dvbsi++/event_information_section.h>
   7 #include <dvbsi++/short_event_descriptor.h>
   8 #include <dvbsi++/extended_event_descriptor.h>
   9 #include <dvbsi++/linkage_descriptor.h>
  10 #include <dvbsi++/component_descriptor.h>
  11 #include <dvbsi++/descriptor_tag.h>
  12
  13 DEFINE_REF(eServiceEvent);
  14 DEFINE_REF(eComponentData);
  15
  16 const char MAX_LANG = 37;
  17 /* OSD language (see /share/locales/locales) to iso639 conversion table */
  18 std::string ISOtbl[MAX_LANG][2] =
  19 {
  20         {"ar_AE","ara"},
  21         {"C","eng"},
  22         {"cs_CZ","ces"},     /* or 'cze' */
  23         {"cs_CZ","cze"},
  24         {"da_DK","dan"},
  25         {"de_DE","deu"},     /* also 'ger' is valid iso639 code!! */
  26         {"de_DE","ger"},
  27         {"el_GR","gre"},     /* also 'ell' is valid */
  28         {"el_GR","ell"},
  29         {"es_ES","esl"},     /* also 'spa' is ok */
  30         {"es_ES","spa"},
  31         {"et_EE","est"},
  32         {"fi_FI","fin"},
  33         {"fr_FR","fra"},
  34         {"hr_HR","hrv"},     /* or 'scr' */
  35         {"hr_HR","scr"},
  36         {"hu_HU","hun"},
  37         {"is_IS","isl"},     /* or 'ice' */
  38         {"is_IS","ice"},
  39         {"it_IT","ita"},
  40         {"lt_LT","lit"},
  41         {"nl_NL","nld"},     /* or 'dut' */
  42         {"nl_NL","dut"},
  43         {"no_NO","nor"},
  44         {"pl_PL","pol"},
  45         {"pt_PT","por"},
  46         {"ro_RO","ron"},     /* or 'rum' */
  47         {"ro_RO","rum"},
  48         {"ru_RU","rus"},
  49         {"sk_SK","slk"},     /* or 'slo' */
  50         {"sk_SK","slo"},
  51         {"sl_SI","slv"},
  52         {"sr_YU","srp"},     /* or 'scc' */
  53         {"sr_YU","scc"},
  54         {"sv_SE","swe"},
  55         {"tr_TR","tur"},
  56         {"ur_IN","urd"}
  57 };
  58
  59 /* search for the presence of language from given EIT event descriptors*/
  60 bool eServiceEvent::loadLanguage(Event *evt, std::string lang, int tsidonid)
  61 {
  62         bool retval=0;
  63         for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
  64         {
  65                 switch ((*desc)->getTag())
  66                 {
  67                         case LINKAGE_DESCRIPTOR:
  68                                 m_linkage_services.clear();
  69                                 break;
  70                         case SHORT_EVENT_DESCRIPTOR:
  71                         {
  72                                 const ShortEventDescriptor *sed = (ShortEventDescriptor*)*desc;
  73                                 const std::string &cc = sed->getIso639LanguageCode();
  74                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
  75                                 if (lang.empty() || cc == lang)
  76                                 {
  77                                         m_event_name = convertDVBUTF8(sed->getEventName(), table, tsidonid);
  78                                         m_short_description = convertDVBUTF8(sed->getText(), table, tsidonid);
  79                                         retval=1;
  80                                 }
  81                                 break;
  82                         }
  83                         case EXTENDED_EVENT_DESCRIPTOR:
  84                         {
  85                                 const ExtendedEventDescriptor *eed = (ExtendedEventDescriptor*)*desc;
  86                                 const std::string &cc = eed->getIso639LanguageCode();
  87                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
  88                                 if (lang.empty() || cc == lang)
  89                                 {
  90                                         m_extended_description += convertDVBUTF8(eed->getText(), table, tsidonid);
  91                                         retval=1;
  92                                 }
  93 #if 0
  94                                 const ExtendedEventList *itemlist = eed->getItems();
  95                                 for (ExtendedEventConstIterator it = itemlist->begin(); it != itemlist->end(); ++it)
  96                                 {
  97                                         m_extended_description += '\n';
  98                                         m_extended_description += convertDVBUTF8((*it)->getItemDescription());
  99                                         m_extended_description += ' ';
 100                                         m_extended_description += convertDVBUTF8((*it)->getItem());
 101                                 }
 102 #endif
 103                                 break;
 104                         }
 105                         default:
 106                                 break;
 107                 }
 108         }
 109         if ( retval == 1 )
 110         {
 111                 for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
 112                 {
 113                         switch ((*desc)->getTag())
 114                         {
 115                                 case COMPONENT_DESCRIPTOR:
 116                                 {
 117                                         const ComponentDescriptor *cp = (ComponentDescriptor*)*desc;
 118                                         eComponentData data;
 119                                         data.m_streamContent = cp->getStreamContent();
 120                                         data.m_componentType = cp->getComponentType();
 121                                         data.m_componentTag = cp->getComponentTag();
 122                                         data.m_iso639LanguageCode = cp->getIso639LanguageCode();
 123                                         int table=encodingHandler.getCountryCodeDefaultMapping(data.m_iso639LanguageCode);
 124                                         data.m_text = convertDVBUTF8(cp->getText(),table,tsidonid);
 125                                         m_component_data.push_back(data);
 126                                         break;
 127                                 }
 128                                 case LINKAGE_DESCRIPTOR:
 129                                 {
 130                                         const LinkageDescriptor  *ld = (LinkageDescriptor*)*desc;
 131                                         if ( ld->getLinkageType() == 0xB0 )
 132                                         {
 133                                                 eServiceReference ref;
 134                                                 ref.type = eServiceReference::idDVB;
 135                                                 eServiceReferenceDVB &dvb_ref = (eServiceReferenceDVB&) ref;
 136                                                 dvb_ref.setServiceType(1);
 137                                                 dvb_ref.setTransportStreamID(ld->getTransportStreamId());
 138                                                 dvb_ref.setOriginalNetworkID(ld->getOriginalNetworkId());
 139                                                 dvb_ref.setServiceID(ld->getServiceId());
 140                                                 const PrivateDataByteVector *privateData = ld->getPrivateDataBytes();
 141                                                 dvb_ref.name = convertDVBUTF8((const unsigned char*)&((*privateData)[0]), privateData->size(), 0, tsidonid);
 142                                                 m_linkage_services.push_back(ref);
 143                                         }
 144                                         break;
 145                                 }
 146                         }
 147                 }
 148         }
 149         if ( m_extended_description.find(m_short_description) == 0 )
 150                 m_short_description="";
 151         return retval;
 152 }
 153
 154 RESULT eServiceEvent::parseFrom(Event *evt, int tsidonid)
 155 {
 156         uint16_t stime_mjd = evt->getStartTimeMjd();
 157         uint32_t stime_bcd = evt->getStartTimeBcd();
 158         uint32_t duration = evt->getDuration();
 159         m_begin = parseDVBtime(
 160                 stime_mjd >> 8,
 161                 stime_mjd&0xFF,
 162                 stime_bcd >> 16,
 163                 (stime_bcd >> 8)&0xFF,
 164                 stime_bcd & 0xFF
 165         );
 166         m_event_id = evt->getEventId();
 167         m_duration = fromBCD(duration>>16)*3600+fromBCD(duration>>8)*60+fromBCD(duration);
 168         std::string country="de_DE";  // TODO use local data here
 169         for (int i=0; i < MAX_LANG; i++)
 170                 if (country==ISOtbl[i][0])
 171                         if (loadLanguage(evt, ISOtbl[i][1], tsidonid))
 172                                 return 0;
 173         if (loadLanguage(evt, "eng", tsidonid))
 174                 return 0;
 175         if (loadLanguage(evt, std::string(), tsidonid))
 176                 return 0;
 177         return 0;
 178 }
 179
 180 std::string eServiceEvent::getBeginTimeString() const
 181 {
 182         tm t;
 183         localtime_r(&m_begin, &t);
 184         char tmp[13];
 185         snprintf(tmp, 13, "%02d.%02d, %02d:%02d",
 186                 t.tm_mday, t.tm_mon+1,
 187                 t.tm_hour, t.tm_min);
 188         return std::string(tmp, 12);
 189 }
 190
 191 RESULT eServiceEvent::getComponentData(ePtr<eComponentData> &dest, int tagnum) const
 192 {
 193         std::list<eComponentData>::const_iterator it =
 194                 m_component_data.begin();
 195         for(;it != m_component_data.end(); ++it)
 196         {
 197                 if ( it->m_componentTag == tagnum )
 198                 {
 199                         dest=new eComponentData(*it);
 200                         return 0;
 201                 }
 202         }
 203         dest=0;
 204         return -1;
 205 }
 206
 207 RESULT eServiceEvent::getLinkageService(eServiceReference &service, eServiceReference &parent, int num) const
 208 {
 209         std::list<eServiceReference>::const_iterator it =
 210                 m_linkage_services.begin();
 211         while( it != m_linkage_services.end() && num-- )
 212                 ++it;
 213         if ( it != m_linkage_services.end() )
 214         {
 215                 service = *it;
 216                 eServiceReferenceDVB &subservice = (eServiceReferenceDVB&) service;
 217                 eServiceReferenceDVB &current = (eServiceReferenceDVB&) parent;
 218                 subservice.setDVBNamespace(current.getDVBNamespace());
 219                 if ( current.getParentTransportStreamID().get() )
 220                 {
 221                         subservice.setParentTransportStreamID( current.getParentTransportStreamID() );
 222                         subservice.setParentServiceID( current.getParentServiceID() );
 223                 }
 224                 else
 225                 {
 226                         subservice.setParentTransportStreamID( current.getTransportStreamID() );
 227                         subservice.setParentServiceID( current.getServiceID() );
 228                 }
 229                 if ( subservice.getParentTransportStreamID() == subservice.getTransportStreamID() &&
 230                         subservice.getParentServiceID() == subservice.getServiceID() )
 231                 {
 232                         subservice.setParentTransportStreamID( eTransportStreamID(0) );
 233                         subservice.setParentServiceID( eServiceID(0) );
 234                 }
 235                 return 0;
 236         }
 237         service.type = eServiceReference::idInvalid;
 238         return -1;
 239 }
 240
 241 DEFINE_REF(eDebugClass);