code.vuplus.com Git - vuplus_dvbapp/blob - 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                                 std::string s2;
  88                                 std::transform(cc.begin(), cc.end(), s2.begin(), tolower);
  89                                 if (lang.empty())
  90                                         lang = s2;  // use first found language
  91                                 if (lang == s2)
  92                                 {
  93                                         m_event_name = convertDVBUTF8(replace_all(replace_all(sed->getEventName(), "\n", " "), "\t", " "), table, tsidonid);
  94                                         m_short_description = convertDVBUTF8(sed->getText(), table, tsidonid);
  95                                         retval=1;
  96                                 }
  97                                 break;
  98                         }
  99                         case EXTENDED_EVENT_DESCRIPTOR:
 100                         {
 101                                 const ExtendedEventDescriptor *eed = (ExtendedEventDescriptor*)*desc;
 102                                 const std::string &cc = eed->getIso639LanguageCode();
 103                                 int table=encodingHandler.getCountryCodeDefaultMapping(cc);
 104                                 std::string s2;
 105                                 std::transform(cc.begin(), cc.end(), s2.begin(), tolower);
 106                                 if (lang.empty())
 107                                         lang = s2;  // use first found language
 108                                 if (lang == s2)
 109                                 {
 110                                         m_extended_description += convertDVBUTF8(eed->getText(), table, tsidonid);
 111                                         retval=1;
 112                                 }
 113 #if 0
 114                                 const ExtendedEventList *itemlist = eed->getItems();
 115                                 for (ExtendedEventConstIterator it = itemlist->begin(); it != itemlist->end(); ++it)
 116                                 {
 117                                         m_extended_description += '\n';
 118                                         m_extended_description += convertDVBUTF8((*it)->getItemDescription());
 119                                         m_extended_description += ' ';
 120                                         m_extended_description += convertDVBUTF8((*it)->getItem());
 121                                 }
 122 #endif
 123                                 break;
 124                         }
 125                         default:
 126                                 break;
 127                 }
 128         }
 129         if ( retval == 1 )
 130         {
 131                 for (DescriptorConstIterator desc = evt->getDescriptors()->begin(); desc != evt->getDescriptors()->end(); ++desc)
 132                 {
 133                         switch ((*desc)->getTag())
 134                         {
 135                                 case COMPONENT_DESCRIPTOR:
 136                                 {
 137                                         const ComponentDescriptor *cp = (ComponentDescriptor*)*desc;
 138                                         eComponentData data;
 139                                         data.m_streamContent = cp->getStreamContent();
 140                                         data.m_componentType = cp->getComponentType();
 141                                         data.m_componentTag = cp->getComponentTag();
 142                                         data.m_iso639LanguageCode = cp->getIso639LanguageCode();
 143                                         int table=encodingHandler.getCountryCodeDefaultMapping(data.m_iso639LanguageCode);
 144                                         data.m_text = convertDVBUTF8(cp->getText(),table,tsidonid);
 145                                         m_component_data.push_back(data);
 146                                         break;
 147                                 }
 148                                 case LINKAGE_DESCRIPTOR:
 149                                 {
 150                                         const LinkageDescriptor  *ld = (LinkageDescriptor*)*desc;
 151                                         if ( ld->getLinkageType() == 0xB0 )
 152                                         {
 153                                                 eServiceReference ref;
 154                                                 ref.type = eServiceReference::idDVB;
 155                                                 eServiceReferenceDVB &dvb_ref = (eServiceReferenceDVB&) ref;
 156                                                 dvb_ref.setServiceType(1);
 157                                                 dvb_ref.setTransportStreamID(ld->getTransportStreamId());
 158                                                 dvb_ref.setOriginalNetworkID(ld->getOriginalNetworkId());
 159                                                 dvb_ref.setServiceID(ld->getServiceId());
 160                                                 const PrivateDataByteVector *privateData = ld->getPrivateDataBytes();
 161                                                 dvb_ref.name = convertDVBUTF8((const unsigned char*)&((*privateData)[0]), privateData->size(), 1, tsidonid);
 162                                                 m_linkage_services.push_back(ref);
 163                                         }
 164                                         break;
 165                                 }
 166                         }
 167                 }
 168         }
 169         if ( m_extended_description.find(m_short_description) == 0 )
 170                 m_short_description="";
 171         return retval;
 172 }
 173
 174 RESULT eServiceEvent::parseFrom(Event *evt, int tsidonid)
 175 {
 176         uint16_t stime_mjd = evt->getStartTimeMjd();
 177         uint32_t stime_bcd = evt->getStartTimeBcd();
 178         uint32_t duration = evt->getDuration();
 179         m_begin = parseDVBtime(
 180                 stime_mjd >> 8,
 181                 stime_mjd&0xFF,
 182                 stime_bcd >> 16,
 183                 (stime_bcd >> 8)&0xFF,
 184                 stime_bcd & 0xFF
 185         );
 186         m_event_id = evt->getEventId();
 187         m_duration = fromBCD(duration>>16)*3600+fromBCD(duration>>8)*60+fromBCD(duration);
 188         for (int i=0; i < MAX_LANG; i++)
 189                 if (m_language==ISOtbl[i][0])
 190                         if (loadLanguage(evt, ISOtbl[i][1], tsidonid))
 191                                 return 0;
 192         if (loadLanguage(evt, "eng", tsidonid))
 193                 return 0;
 194         if (loadLanguage(evt, std::string(), tsidonid))
 195                 return 0;
 196         return 0;
 197 }
 198
 199 RESULT eServiceEvent::parseFrom(const std::string filename, int tsidonid)
 200 {
 201         if (!filename.empty())
 202         {
 203                 int fd = ::open( filename.c_str(), O_RDONLY );
 204                 if ( fd > -1 )
 205                 {
 206                         __u8 buf[4096];
 207                         int rd = ::read(fd, buf, 4096);
 208                         ::close(fd);
 209                         if ( rd > 12 /*EIT_LOOP_SIZE*/ )
 210                         {
 211                                 Event ev(buf);
 212                                 parseFrom(&ev, tsidonid);
 213                                 return 0;
 214                         }
 215                 }
 216         }
 217         return -1;
 218 }
 219
 220 std::string eServiceEvent::getBeginTimeString() const
 221 {
 222         tm t;
 223         localtime_r(&m_begin, &t);
 224         char tmp[13];
 225         snprintf(tmp, 13, "%02d.%02d, %02d:%02d",
 226                 t.tm_mday, t.tm_mon+1,
 227                 t.tm_hour, t.tm_min);
 228         return std::string(tmp, 12);
 229 }
 230
 231 RESULT eServiceEvent::getComponentData(ePtr<eComponentData> &dest, int tagnum) const
 232 {
 233         std::list<eComponentData>::const_iterator it =
 234                 m_component_data.begin();
 235         for(;it != m_component_data.end(); ++it)
 236         {
 237                 if ( it->m_componentTag == tagnum )
 238                 {
 239                         dest=new eComponentData(*it);
 240                         return 0;
 241                 }
 242         }
 243         dest=0;
 244         return -1;
 245 }
 246
 247 PyObject *eServiceEvent::getComponentData() const
 248 {
 249         ePyObject ret = PyList_New(m_component_data.size());
 250         int cnt=0;
 251         for (std::list<eComponentData>::const_iterator it(m_component_data.begin()); it != m_component_data.end(); ++it)
 252         {
 253                 ePyObject tuple = PyTuple_New(5);
 254                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(it->m_componentTag));
 255                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(it->m_componentType));
 256                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(it->m_streamContent));
 257                 PyTuple_SET_ITEM(tuple, 3, PyString_FromString(it->m_iso639LanguageCode.c_str()));
 258                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString(it->m_text.c_str()));
 259                 PyList_SET_ITEM(ret, cnt++, tuple);
 260         }
 261         return ret;
 262 }
 263
 264 RESULT eServiceEvent::getLinkageService(eServiceReference &service, eServiceReference &parent, int num) const
 265 {
 266         std::list<eServiceReference>::const_iterator it =
 267                 m_linkage_services.begin();
 268         while( it != m_linkage_services.end() && num-- )
 269                 ++it;
 270         if ( it != m_linkage_services.end() )
 271         {
 272                 service = *it;
 273                 eServiceReferenceDVB &subservice = (eServiceReferenceDVB&) service;
 274                 eServiceReferenceDVB &current = (eServiceReferenceDVB&) parent;
 275                 subservice.setDVBNamespace(current.getDVBNamespace());
 276                 if ( current.getParentTransportStreamID().get() )
 277                 {
 278                         subservice.setParentTransportStreamID( current.getParentTransportStreamID() );
 279                         subservice.setParentServiceID( current.getParentServiceID() );
 280                 }
 281                 else
 282                 {
 283                         subservice.setParentTransportStreamID( current.getTransportStreamID() );
 284                         subservice.setParentServiceID( current.getServiceID() );
 285                 }
 286                 if ( subservice.getParentTransportStreamID() == subservice.getTransportStreamID() &&
 287                         subservice.getParentServiceID() == subservice.getServiceID() )
 288                 {
 289                         subservice.setParentTransportStreamID( eTransportStreamID(0) );
 290                         subservice.setParentServiceID( eServiceID(0) );
 291                 }
 292                 return 0;
 293         }
 294         service.type = eServiceReference::idInvalid;
 295         return -1;
 296 }
 297
 298 void setServiceEventLanguage(const std::string language)
 299 {
 300         eServiceEvent::setEPGLanguage(language);
 301 }
 302
 303 DEFINE_REF(eDebugClass);