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 // static members / methods
  14 std::string eServiceEvent::m_language = "de_DE";
  15
  16 void eServiceEvent::setEPGLanguage( const std::string language )
  17 {
  18         m_language = language;
  19 }
  20 ///////////////////////////
  21
  22 DEFINE_REF(eServiceEvent);
  23 DEFINE_REF(eComponentData);
  24
  25 const char MAX_LANG = 37;
  26 /* OSD language (see /share/locales/locales) to iso639 conversion table */
  27 std::string ISOtbl[MAX_LANG][2] =
  28 {
  29         {"ar_AE","ara"},
  30         {"C","eng"},
  31         {"cs_CZ","ces"},     /* or 'cze' */
  32         {"cs_CZ","cze"},
  33         {"da_DK","dan"},
  34         {"de_DE","deu"},     /* also 'ger' is valid iso639 code!! */
  35         {"de_DE","ger"},
  36         {"el_GR","gre"},     /* also 'ell' is valid */
  37         {"el_GR","ell"},
  38         {"es_ES","esl"},     /* also 'spa' is ok */
  39         {"es_ES","spa"},
  40         {"et_EE","est"},
  41         {"fi_FI","fin"},
  42         {"fr_FR","fra"},
  43         {"hr_HR","hrv"},     /* or 'scr' */
  44         {"hr_HR","scr"},
  45         {"hu_HU","hun"},
  46         {"is_IS","isl"},     /* or 'ice' */
  47         {"is_IS","ice"},
  48         {"it_IT","ita"},
  49         {"lt_LT","lit"},
  50         {"nl_NL","nld"},     /* or 'dut' */
  51         {"nl_NL","dut"},
  52         {"no_NO","nor"},
  53         {"pl_PL","pol"},
  54         {"pt_PT","por"},
  55         {"ro_RO","ron"},     /* or 'rum' */
  56         {"ro_RO","rum"},
  57         {"ru_RU","rus"},
  58         {"sk_SK","slk"},     /* or 'slo' */
  59         {"sk_SK","slo"},
  60         {"sl_SI","slv"},
  61         {"sr_YU","srp"},     /* or 'scc' */
  62         {"sr_YU","scc"},
  63         {"sv_SE","swe"},
  64         {"tr_TR","tur"},
  65         {"ur_IN","urd"}
  66 };
  67
  68 /* search for the presence of language from given EIT event descriptors*/
  69 bool eServiceEvent::loadLanguage(Event *evt, std::string lang, int tsidonid)
  70 {
  71         bool retval=0;
  72         for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
  73         {
  74                 switch ((*desc)->getTag())
  75                 {
  76                         case LINKAGE_DESCRIPTOR:
  77                                 m_linkage_services.clear();
  78                                 break;
  79                         case SHORT_EVENT_DESCRIPTOR:
  80                         {
  81                                 const ShortEventDescriptor *sed = (ShortEventDescriptor*)*desc;
  82                                 const std::string &cc = sed->getIso639LanguageCode();
  83                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
  84                                 if (lang.empty() || cc == lang)
  85                                 {
  86                                         m_event_name = convertDVBUTF8(sed->getEventName(), table, tsidonid);
  87                                         m_short_description = convertDVBUTF8(sed->getText(), table, tsidonid);
  88                                         retval=1;
  89                                 }
  90                                 break;
  91                         }
  92                         case EXTENDED_EVENT_DESCRIPTOR:
  93                         {
  94                                 const ExtendedEventDescriptor *eed = (ExtendedEventDescriptor*)*desc;
  95                                 const std::string &cc = eed->getIso639LanguageCode();
  96                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
  97                                 if (lang.empty() || cc == lang)
  98                                 {
  99                                         m_extended_description += convertDVBUTF8(eed->getText(), table, tsidonid);
 100                                         retval=1;
 101                                 }
 102 #if 0
 103                                 const ExtendedEventList *itemlist = eed->getItems();
 104                                 for (ExtendedEventConstIterator it = itemlist->begin(); it != itemlist->end(); ++it)
 105                                 {
 106                                         m_extended_description += '\n';
 107                                         m_extended_description += convertDVBUTF8((*it)->getItemDescription());
 108                                         m_extended_description += ' ';
 109                                         m_extended_description += convertDVBUTF8((*it)->getItem());
 110                                 }
 111 #endif
 112                                 break;
 113                         }
 114                         default:
 115                                 break;
 116                 }
 117         }
 118         if ( retval == 1 )
 119         {
 120                 for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
 121                 {
 122                         switch ((*desc)->getTag())
 123                         {
 124                                 case COMPONENT_DESCRIPTOR:
 125                                 {
 126                                         const ComponentDescriptor *cp = (ComponentDescriptor*)*desc;
 127                                         eComponentData data;
 128                                         data.m_streamContent = cp->getStreamContent();
 129                                         data.m_componentType = cp->getComponentType();
 130                                         data.m_componentTag = cp->getComponentTag();
 131                                         data.m_iso639LanguageCode = cp->getIso639LanguageCode();
 132                                         int table=encodingHandler.getCountryCodeDefaultMapping(data.m_iso639LanguageCode);
 133                                         data.m_text = convertDVBUTF8(cp->getText(),table,tsidonid);
 134                                         m_component_data.push_back(data);
 135                                         break;
 136                                 }
 137                                 case LINKAGE_DESCRIPTOR:
 138                                 {
 139                                         const LinkageDescriptor  *ld = (LinkageDescriptor*)*desc;
 140                                         if ( ld->getLinkageType() == 0xB0 )
 141                                         {
 142                                                 eServiceReference ref;
 143                                                 ref.type = eServiceReference::idDVB;
 144                                                 eServiceReferenceDVB &dvb_ref = (eServiceReferenceDVB&) ref;
 145                                                 dvb_ref.setServiceType(1);
 146                                                 dvb_ref.setTransportStreamID(ld->getTransportStreamId());
 147                                                 dvb_ref.setOriginalNetworkID(ld->getOriginalNetworkId());
 148                                                 dvb_ref.setServiceID(ld->getServiceId());
 149                                                 const PrivateDataByteVector *privateData = ld->getPrivateDataBytes();
 150                                                 dvb_ref.name = convertDVBUTF8((const unsigned char*)&((*privateData)[0]), privateData->size(), 0, tsidonid);
 151                                                 m_linkage_services.push_back(ref);
 152                                         }
 153                                         break;
 154                                 }
 155                         }
 156                 }
 157         }
 158         if ( m_extended_description.find(m_short_description) == 0 )
 159                 m_short_description="";
 160         return retval;
 161 }
 162
 163 RESULT eServiceEvent::parseFrom(Event *evt, int tsidonid)
 164 {
 165         uint16_t stime_mjd = evt->getStartTimeMjd();
 166         uint32_t stime_bcd = evt->getStartTimeBcd();
 167         uint32_t duration = evt->getDuration();
 168         m_begin = parseDVBtime(
 169                 stime_mjd >> 8,
 170                 stime_mjd&0xFF,
 171                 stime_bcd >> 16,
 172                 (stime_bcd >> 8)&0xFF,
 173                 stime_bcd & 0xFF
 174         );
 175         m_event_id = evt->getEventId();
 176         m_duration = fromBCD(duration>>16)*3600+fromBCD(duration>>8)*60+fromBCD(duration);
 177         for (int i=0; i < MAX_LANG; i++)
 178                 if (m_language==ISOtbl[i][0])
 179                         if (loadLanguage(evt, ISOtbl[i][1], tsidonid))
 180                                 return 0;
 181         if (loadLanguage(evt, "eng", tsidonid))
 182                 return 0;
 183         if (loadLanguage(evt, std::string(), tsidonid))
 184                 return 0;
 185         return 0;
 186 }
 187
 188 std::string eServiceEvent::getBeginTimeString() const
 189 {
 190         tm t;
 191         localtime_r(&m_begin, &t);
 192         char tmp[13];
 193         snprintf(tmp, 13, "%02d.%02d, %02d:%02d",
 194                 t.tm_mday, t.tm_mon+1,
 195                 t.tm_hour, t.tm_min);
 196         return std::string(tmp, 12);
 197 }
 198
 199 RESULT eServiceEvent::getComponentData(ePtr<eComponentData> &dest, int tagnum) const
 200 {
 201         std::list<eComponentData>::const_iterator it =
 202                 m_component_data.begin();
 203         for(;it != m_component_data.end(); ++it)
 204         {
 205                 if ( it->m_componentTag == tagnum )
 206                 {
 207                         dest=new eComponentData(*it);
 208                         return 0;
 209                 }
 210         }
 211         dest=0;
 212         return -1;
 213 }
 214
 215 RESULT eServiceEvent::getLinkageService(eServiceReference &service, eServiceReference &parent, int num) const
 216 {
 217         std::list<eServiceReference>::const_iterator it =
 218                 m_linkage_services.begin();
 219         while( it != m_linkage_services.end() && num-- )
 220                 ++it;
 221         if ( it != m_linkage_services.end() )
 222         {
 223                 service = *it;
 224                 eServiceReferenceDVB &subservice = (eServiceReferenceDVB&) service;
 225                 eServiceReferenceDVB &current = (eServiceReferenceDVB&) parent;
 226                 subservice.setDVBNamespace(current.getDVBNamespace());
 227                 if ( current.getParentTransportStreamID().get() )
 228                 {
 229                         subservice.setParentTransportStreamID( current.getParentTransportStreamID() );
 230                         subservice.setParentServiceID( current.getParentServiceID() );
 231                 }
 232                 else
 233                 {
 234                         subservice.setParentTransportStreamID( current.getTransportStreamID() );
 235                         subservice.setParentServiceID( current.getServiceID() );
 236                 }
 237                 if ( subservice.getParentTransportStreamID() == subservice.getTransportStreamID() &&
 238                         subservice.getParentServiceID() == subservice.getServiceID() )
 239                 {
 240                         subservice.setParentTransportStreamID( eTransportStreamID(0) );
 241                         subservice.setParentServiceID( eServiceID(0) );
 242                 }
 243                 return 0;
 244         }
 245         service.type = eServiceReference::idInvalid;
 246         return -1;
 247 }
 248
 249 DEFINE_REF(eDebugClass);