code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/db.cpp

   1 #include <errno.h>
   2 #include <lib/dvb/db.h>
   3 #include <lib/dvb/frontend.h>
   4 #include <lib/base/eerror.h>
   5 #include <lib/dvb_si/sdt.h>
   6 #include <lib/dvb_si/descriptor_tag.h>
   7 #include <lib/dvb_si/service_descriptor.h>
   8 #include <lib/dvb_si/satellite_delivery_system_descriptor.h>
   9
  10 DEFINE_REF(eDVBService);
  11
  12 eDVBService::eDVBService()
  13 {
  14 }
  15
  16 eDVBService::~eDVBService()
  17 {
  18 }
  19
  20 DEFINE_REF(eDVBDB);
  21
  22 eDVBDB::eDVBDB()
  23 {
  24         eDebug("---- opening lame channel db");
  25         FILE *f=fopen("lamedb", "rt");
  26         if (!f)
  27                 return;
  28         char line[256];
  29         if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
  30         {
  31                 eDebug("not a servicefile");
  32                 fclose(f);
  33                 return;
  34         }
  35         eDebug("reading services");
  36         if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
  37         {
  38                 eDebug("services invalid, no transponders");
  39                 fclose(f);
  40                 return;
  41         }
  42
  43         // clear all transponders
  44
  45         while (!feof(f))
  46         {
  47                 if (!fgets(line, 256, f))
  48                         break;
  49                 if (!strcmp(line, "end\n"))
  50                         break;
  51                 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
  52                 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
  53                 if (original_network_id == -1)
  54                         continue;
  55                 eDVBChannelID channelid = eDVBChannelID(
  56                         eDVBNamespace(dvb_namespace),
  57                         eTransportStreamID(transport_stream_id),
  58                         eOriginalNetworkID(original_network_id));
  59
  60                 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
  61                 while (!feof(f))
  62                 {
  63                         fgets(line, 256, f);
  64                         if (!strcmp(line, "/\n"))
  65                                 break;
  66                         if (line[1]=='s')
  67                         {
  68                                 eDVBFrontendParametersSatellite sat;
  69                                 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
  70                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
  71                                 sat.frequency = frequency;
  72                                 sat.symbol_rate = symbol_rate;
  73                                 sat.polarisation = polarisation;
  74                                 sat.fec = fec;
  75                                 sat.orbital_position = orbital_position;
  76                                 sat.inversion = inversion;
  77                                 // ...
  78 //                              t.setSatellite(frequency, symbol_rate, polarisation, fec, sat, inversion);
  79                                 feparm->setDVBS(sat);
  80                         }
  81                         if (line[1]=='c')
  82                         {
  83                                 int frequency, symbol_rate, inversion=0, modulation=3;
  84                                 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
  85 //                              t.setCable(frequency, symbol_rate, inversion, modulation);
  86                         }
  87                 }
  88                 addChannelToList(channelid, feparm);
  89         }
  90
  91         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
  92         {
  93                 eDebug("services invalid, no services");
  94                 return;
  95         }
  96
  97         // clear all services
  98
  99         int count=0;
 100
 101         while (!feof(f))
 102         {
 103                 if (!fgets(line, 256, f))
 104                         break;
 105                 if (!strcmp(line, "end\n"))
 106                         break;
 107
 108                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 109                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 110                 if (service_number == -1)
 111                         continue;
 112                 ePtr<eDVBService> s = new eDVBService;
 113                 eServiceReferenceDVB ref =
 114                                                 eServiceReferenceDVB(
 115                                                 eDVBNamespace(dvb_namespace),
 116                                                 eTransportStreamID(transport_stream_id),
 117                                                 eOriginalNetworkID(original_network_id),
 118                                                 eServiceID(service_id),
 119                                                 service_type);
 120                 count++;
 121                 fgets(line, 256, f);
 122                 if (strlen(line))
 123                         line[strlen(line)-1]=0;
 124                 s->m_service_name=line;
 125                 fgets(line, 256, f);
 126                 if (strlen(line))
 127                         line[strlen(line)-1]=0;
 128
 129                 std::string str=line;
 130
 131                 if (str[1]!=':')        // old ... (only service_provider)
 132                 {
 133                         s->m_provider_name=line;
 134                 } else
 135                         while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
 136                         {
 137                                 unsigned int c=str.find(',');
 138                                 char p=str[0];
 139                                 std::string v;
 140                                 if (c == std::string::npos)
 141                                 {
 142                                         v=str.substr(2);
 143                                         str="";
 144                                 } else
 145                                 {
 146                                         v=str.substr(2, c-2);
 147                                         str=str.substr(c+1);
 148                                 }
 149 //                              eDebug("%c ... %s", p, v.c_str());
 150                                 if (p == 'p')
 151                                         s->m_provider_name=v;
 152                                 else if (p == 'f')
 153                                 {
 154                                         sscanf(v.c_str(), "%x", &s->m_flags);
 155                                 } else if (p == 'c')
 156                                 {
 157                                         int cid, val;
 158                                         sscanf(v.c_str(), "%02d%04x", &cid, &val);
 159                                         s->m_cache[cid]=val;
 160                                 } else if (p == 'C')
 161                                 {
 162                                         int val;
 163                                         sscanf(v.c_str(), "%04x", &val);
 164                                         s->m_ca.insert(val);
 165                                 }
 166                         }
 167                 addService(ref, s);
 168         }
 169
 170         eDebug("loaded %d services", count);
 171
 172         fclose(f);
 173
 174 }
 175
 176 eDVBDB::~eDVBDB()
 177 {
 178         eDebug("---- saving lame channel db");
 179         FILE *f=fopen("lamedb", "wt");
 180         int channels=0, services=0;
 181         if (!f)
 182                 eFatal("couldn't save lame channel db!");
 183         fprintf(f, "eDVB services /3/\n");
 184         fprintf(f, "transponders\n");
 185         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 186                         i != m_channels.end(); ++i)
 187         {
 188                 const eDVBChannelID &chid = i->first;
 189                 const channel &ch = i->second;
 190
 191                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 192                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 193                 eDVBFrontendParametersSatellite sat;
 194                 if (!ch.m_frontendParameters->getDVBS(sat))
 195                 {
 196                         fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
 197                                 sat.frequency, sat.symbol_rate,
 198                                 sat.polarisation, sat.fec, sat.inversion,
 199                                 sat.orbital_position);
 200                 }
 201                 fprintf(f, "/\n");
 202                 channels++;
 203         }
 204         fprintf(f, "end\nservices\n");
 205
 206         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 207                 i != m_services.end(); ++i)
 208         {
 209                 const eServiceReferenceDVB &s = i->first;
 210                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 211                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 212                                 s.getOriginalNetworkID().get(), s.getTransportStreamID().get(),
 213                                 s.getServiceType(),
 214                                 0);
 215
 216                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 217                 fprintf(f, "p=%s", i->second->m_provider_name.c_str());
 218                 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
 219                         ca != i->second->m_ca.end(); ++ca)
 220                         fprintf(f, ",C=%04x", *ca);
 221                 fprintf(f, "\n");
 222                 services++;
 223         }
 224         fprintf(f, "end\nHave a lot of bugs!\n");
 225         eDebug("saved %d channels and %d services!", channels, services);
 226         fclose(f);
 227 }
 228
 229 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
 230 {
 231         channel ch;
 232         assert(feparm);
 233         ch.m_frontendParameters = feparm;
 234         m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
 235         return 0;
 236 }
 237
 238 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
 239 {
 240         m_channels.erase(id);
 241         return 0;
 242 }
 243
 244 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
 245 {
 246         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
 247         if (i == m_channels.end())
 248         {
 249                 parm = 0;
 250                 return -ENOENT;
 251         }
 252         parm = i->second.m_frontendParameters;
 253         return 0;
 254 }
 255
 256 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
 257 {
 258         m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
 259         return 0;
 260 }
 261
 262 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
 263 {
 264         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
 265         i = m_services.find(reference);
 266         if (i == m_services.end())
 267         {
 268                 service = 0;
 269                 return -ENOENT;
 270         }
 271         service = i->second;
 272         return 0;
 273 }
 274