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 #include <sys/types.h>
  14 #include <fcntl.h>
  15
  16 // static members / methods
  17 std::string eServiceEvent::m_language = "de_DE";
  18
  19 void eServiceEvent::setEPGLanguage( const std::string language )
  20 {
  21         m_language = language;
  22 }
  23 ///////////////////////////
  24
  25 DEFINE_REF(eServiceEvent);
  26 DEFINE_REF(eComponentData);
  27
  28 const char MAX_LANG = 37;
  29 /* OSD language (see /share/locales/locales) to iso639 conversion table */
  30 std::string ISOtbl[MAX_LANG][2] =
  31 {
  32         {"ar_AE","ara"},
  33         {"C","eng"},
  34         {"cs_CZ","ces"},     /* or 'cze' */
  35         {"cs_CZ","cze"},
  36         {"da_DK","dan"},
  37         {"de_DE","deu"},     /* also 'ger' is valid iso639 code!! */
  38         {"de_DE","ger"},
  39         {"el_GR","gre"},     /* also 'ell' is valid */
  40         {"el_GR","ell"},
  41         {"es_ES","esl"},     /* also 'spa' is ok */
  42         {"es_ES","spa"},
  43         {"et_EE","est"},
  44         {"fi_FI","fin"},
  45         {"fr_FR","fra"},
  46         {"hr_HR","hrv"},     /* or 'scr' */
  47         {"hr_HR","scr"},
  48         {"hu_HU","hun"},
  49         {"is_IS","isl"},     /* or 'ice' */
  50         {"is_IS","ice"},
  51         {"it_IT","ita"},
  52         {"lt_LT","lit"},
  53         {"nl_NL","nld"},     /* or 'dut' */
  54         {"nl_NL","dut"},
  55         {"no_NO","nor"},
  56         {"pl_PL","pol"},
  57         {"pt_PT","por"},
  58         {"ro_RO","ron"},     /* or 'rum' */
  59         {"ro_RO","rum"},
  60         {"ru_RU","rus"},
  61         {"sk_SK","slk"},     /* or 'slo' */
  62         {"sk_SK","slo"},
  63         {"sl_SI","slv"},
  64         {"sr_YU","srp"},     /* or 'scc' */
  65         {"sr_YU","scc"},
  66         {"sv_SE","swe"},
  67         {"tr_TR","tur"},
  68         {"ur_IN","urd"}
  69 };
  70
  71 /* search for the presence of language from given EIT event descriptors*/
  72 bool eServiceEvent::loadLanguage(Event *evt, std::string lang, int tsidonid)
  73 {
  74         bool retval=0;
  75         for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
  76         {
  77                 switch ((*desc)->getTag())
  78                 {
  79                         case LINKAGE_DESCRIPTOR:
  80                                 m_linkage_services.clear();
  81                                 break;
  82                         case SHORT_EVENT_DESCRIPTOR:
  83                         {
  84                                 const ShortEventDescriptor *sed = (ShortEventDescriptor*)*desc;
  85                                 const std::string &cc = sed->getIso639LanguageCode();
  86                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
  87                                 if (lang.empty() || cc == lang)
  88                                 {
  89                                         m_event_name = convertDVBUTF8(sed->getEventName(), table, tsidonid);
  90                                         m_short_description = convertDVBUTF8(sed->getText(), table, tsidonid);
  91                                         retval=1;
  92                                 }
  93                                 break;
  94                         }
  95                         case EXTENDED_EVENT_DESCRIPTOR:
  96                         {
  97                                 const ExtendedEventDescriptor *eed = (ExtendedEventDescriptor*)*desc;
  98                                 const std::string &cc = eed->getIso639LanguageCode();
  99                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
 100                                 if (lang.empty() || cc == lang)
 101                                 {
 102                                         m_extended_description += convertDVBUTF8(eed->getText(), table, tsidonid);
 103                                         retval=1;
 104                                 }
 105 #if 0
 106                                 const ExtendedEventList *itemlist = eed->getItems();
 107                                 for (ExtendedEventConstIterator it = itemlist->begin(); it != itemlist->end(); ++it)
 108                                 {
 109                                         m_extended_description += '\n';
 110                                         m_extended_description += convertDVBUTF8((*it)->getItemDescription());
 111                                         m_extended_description += ' ';
 112                                         m_extended_description += convertDVBUTF8((*it)->getItem());
 113                                 }
 114 #endif
 115                                 break;
 116                         }
 117                         default:
 118                                 break;
 119                 }
 120         }
 121         if ( retval == 1 )
 122         {
 123                 for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
 124                 {
 125                         switch ((*desc)->getTag())
 126                         {
 127                                 case COMPONENT_DESCRIPTOR:
 128                                 {
 129                                         const ComponentDescriptor *cp = (ComponentDescriptor*)*desc;
 130                                         eComponentData data;
 131                                         data.m_streamContent = cp->getStreamContent();
 132                                         data.m_componentType = cp->getComponentType();
 133                                         data.m_componentTag = cp->getComponentTag();
 134                                         data.m_iso639LanguageCode = cp->getIso639LanguageCode();
 135                                         int table=encodingHandler.getCountryCodeDefaultMapping(data.m_iso639LanguageCode);
 136                                         data.m_text = convertDVBUTF8(cp->getText(),table,tsidonid);
 137                                         m_component_data.push_back(data);
 138                                         break;
 139                                 }
 140                                 case LINKAGE_DESCRIPTOR:
 141                                 {
 142                                         const LinkageDescriptor  *ld = (LinkageDescriptor*)*desc;
 143                                         if ( ld->getLinkageType() == 0xB0 )
 144                                         {
 145                                                 eServiceReference ref;
 146                                                 ref.type = eServiceReference::idDVB;
 147                                                 eServiceReferenceDVB &dvb_ref = (eServiceReferenceDVB&) ref;
 148                                                 dvb_ref.setServiceType(1);
 149                                                 dvb_ref.setTransportStreamID(ld->getTransportStreamId());
 150                                                 dvb_ref.setOriginalNetworkID(ld->getOriginalNetworkId());
 151                                                 dvb_ref.setServiceID(ld->getServiceId());
 152                                                 const PrivateDataByteVector *privateData = ld->getPrivateDataBytes();
 153                                                 dvb_ref.name = convertDVBUTF8((const unsigned char*)&((*privateData)[0]), privateData->size(), 0, tsidonid);
 154                                                 m_linkage_services.push_back(ref);
 155                                         }
 156                                         break;
 157                                 }
 158                         }
 159                 }
 160         }
 161         if ( m_extended_description.find(m_short_description) == 0 )
 162                 m_short_description="";
 163         return retval;
 164 }
 165
 166 RESULT eServiceEvent::parseFrom(Event *evt, int tsidonid)
 167 {
 168         uint16_t stime_mjd = evt->getStartTimeMjd();
 169         uint32_t stime_bcd = evt->getStartTimeBcd();
 170         uint32_t duration = evt->getDuration();
 171         m_begin = parseDVBtime(
 172                 stime_mjd >> 8,
 173                 stime_mjd&0xFF,
 174                 stime_bcd >> 16,
 175                 (stime_bcd >> 8)&0xFF,
 176                 stime_bcd & 0xFF
 177         );
 178         m_event_id = evt->getEventId();
 179         m_duration = fromBCD(duration>>16)*3600+fromBCD(duration>>8)*60+fromBCD(duration);
 180         for (int i=0; i < MAX_LANG; i++)
 181                 if (m_language==ISOtbl[i][0])
 182                         if (loadLanguage(evt, ISOtbl[i][1], tsidonid))
 183                                 return 0;
 184         if (loadLanguage(evt, "eng", tsidonid))
 185                 return 0;
 186         if (loadLanguage(evt, std::string(), tsidonid))
 187                 return 0;
 188         return 0;
 189 }
 190
 191 RESULT eServiceEvent::parseFrom(const std::string filename, int tsidonid)
 192 {
 193         if (!filename.empty())
 194         {
 195                 int fd = ::open( filename.c_str(), O_RDONLY );
 196                 if ( fd > -1 )
 197                 {
 198                         __u8 buf[4096];
 199                         int rd = ::read(fd, buf, 4096);
 200                         ::close(fd);
 201                         if ( rd > 12 /*EIT_LOOP_SIZE*/ )
 202                         {
 203                                 Event ev(buf);
 204                                 parseFrom(&ev, tsidonid);
 205                                 return 0;
 206                         }
 207                 }
 208         }
 209         return -1;
 210 }
 211
 212 std::string eServiceEvent::getBeginTimeString() const
 213 {
 214         tm t;
 215         localtime_r(&m_begin, &t);
 216         char tmp[13];
 217         snprintf(tmp, 13, "%02d.%02d, %02d:%02d",
 218                 t.tm_mday, t.tm_mon+1,
 219                 t.tm_hour, t.tm_min);
 220         return std::string(tmp, 12);
 221 }
 222
 223 RESULT eServiceEvent::getComponentData(ePtr<eComponentData> &dest, int tagnum) const
 224 {
 225         std::list<eComponentData>::const_iterator it =
 226                 m_component_data.begin();
 227         for(;it != m_component_data.end(); ++it)
 228         {
 229                 if ( it->m_componentTag == tagnum )
 230                 {
 231                         dest=new eComponentData(*it);
 232                         return 0;
 233                 }
 234         }
 235         dest=0;
 236         return -1;
 237 }
 238
 239 RESULT eServiceEvent::getLinkageService(eServiceReference &service, eServiceReference &parent, int num) const
 240 {
 241         std::list<eServiceReference>::const_iterator it =
 242                 m_linkage_services.begin();
 243         while( it != m_linkage_services.end() && num-- )
 244                 ++it;
 245         if ( it != m_linkage_services.end() )
 246         {
 247                 service = *it;
 248                 eServiceReferenceDVB &subservice = (eServiceReferenceDVB&) service;
 249                 eServiceReferenceDVB &current = (eServiceReferenceDVB&) parent;
 250                 subservice.setDVBNamespace(current.getDVBNamespace());
 251                 if ( current.getParentTransportStreamID().get() )
 252                 {
 253                         subservice.setParentTransportStreamID( current.getParentTransportStreamID() );
 254                         subservice.setParentServiceID( current.getParentServiceID() );
 255                 }
 256                 else
 257                 {
 258                         subservice.setParentTransportStreamID( current.getTransportStreamID() );
 259                         subservice.setParentServiceID( current.getServiceID() );
 260                 }
 261                 if ( subservice.getParentTransportStreamID() == subservice.getTransportStreamID() &&
 262                         subservice.getParentServiceID() == subservice.getServiceID() )
 263                 {
 264                         subservice.setParentTransportStreamID( eTransportStreamID(0) );
 265                         subservice.setParentServiceID( eServiceID(0) );
 266                 }
 267                 return 0;
 268         }
 269         service.type = eServiceReference::idInvalid;
 270         return -1;
 271 }
 272
 273 DEFINE_REF(eDebugClass);