Initial revision

1 files changed, 274 insertions, 0 deletions

diff --git a/lib/dvb/db.cpp b/lib/dvb/db.cpp
new file mode 100644
index 00000000..f8233a64
--- /dev/null
+++ b/lib/dvb/db.cpp
@@ -0,0 +1,274 @@
+#include <errno.h>
+#include <lib/dvb/db.h>
+#include <lib/dvb/frontend.h>
+#include <lib/base/eerror.h>
+#include <lib/dvb_si/sdt.h>
+#include <lib/dvb_si/descriptor_tag.h>
+#include <lib/dvb_si/service_descriptor.h>
+#include <lib/dvb_si/satellite_delivery_system_descriptor.h>
+
+DEFINE_REF(eDVBService);
+
+eDVBService::eDVBService(): ref(0)
+{
+}
+
+eDVBService::~eDVBService()
+{
+}
+
+DEFINE_REF(eDVBDB);
+
+eDVBDB::eDVBDB()
+{
+	eDebug("---- opening lame channel db");
+	FILE *f=fopen("lamedb", "rt");
+	if (!f)
+		return;
+	char line[256];
+	if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
+	{
+		eDebug("not a servicefile");
+		fclose(f);
+		return;
+	}
+	eDebug("reading services");
+	if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
+	{
+		eDebug("services invalid, no transponders");
+		fclose(f);
+		return;
+	}
+	
+	// clear all transponders
+
+	while (!feof(f))
+	{
+		if (!fgets(line, 256, f))
+			break;
+		if (!strcmp(line, "end\n"))
+			break;
+		int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
+		sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
+		if (original_network_id == -1)
+			continue;
+		eDVBChannelID channelid = eDVBChannelID(
+			eDVBNamespace(dvb_namespace), 
+			eTransportStreamID(transport_stream_id), 
+			eOriginalNetworkID(original_network_id));
+		
+		ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
+		while (!feof(f))
+		{
+			fgets(line, 256, f);
+			if (!strcmp(line, "/\n"))
+				break;
+			if (line[1]=='s')
+			{
+				eDVBFrontendParametersSatellite sat;
+				int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
+				sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
+				sat.frequency = frequency;
+				sat.symbol_rate = symbol_rate;
+				sat.polarisation = polarisation;
+				sat.fec = fec;
+				sat.orbital_position = orbital_position;
+				sat.inversion = inversion;
+				// ...
+//				t.setSatellite(frequency, symbol_rate, polarisation, fec, sat, inversion);
+				feparm->setDVBS(sat);
+			}
+			if (line[1]=='c')
+			{
+				int frequency, symbol_rate, inversion=0, modulation=3;
+				sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
+//				t.setCable(frequency, symbol_rate, inversion, modulation);
+			}
+		}
+		addChannelToList(channelid, feparm);
+	}
+
+	if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
+	{
+		eDebug("services invalid, no services");
+		return;
+	}
+	
+	// clear all services
+	
+	int count=0;
+
+	while (!feof(f))
+	{
+		if (!fgets(line, 256, f))
+			break;
+		if (!strcmp(line, "end\n"))
+			break;
+
+		int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
+		sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
+		if (service_number == -1)
+			continue;
+		ePtr<eDVBService> s = new eDVBService;
+		eServiceReferenceDVB ref = 
+						eServiceReferenceDVB(
+						eDVBNamespace(dvb_namespace),
+						eTransportStreamID(transport_stream_id),
+						eOriginalNetworkID(original_network_id),
+						eServiceID(service_id),
+						service_type);
+		count++;
+		fgets(line, 256, f);
+		if (strlen(line))
+			line[strlen(line)-1]=0;
+		s->m_service_name=line;
+		fgets(line, 256, f);
+		if (strlen(line))
+			line[strlen(line)-1]=0;
+
+		eString str=line;
+
+		if (str[1]!=':')	// old ... (only service_provider)
+		{
+			s->m_provider_name=line;
+		} else
+			while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
+			{
+				unsigned int c=str.find(',');
+				char p=str[0];
+				eString v;
+				if (c == eString::npos)
+				{
+					v=str.mid(2);
+					str="";
+				} else
+				{
+					v=str.mid(2, c-2);
+					str=str.mid(c+1);
+				}
+//				eDebug("%c ... %s", p, v.c_str());
+				if (p == 'p')
+					s->m_provider_name=v;
+				else if (p == 'f')
+				{
+					sscanf(v.c_str(), "%x", &s->m_flags);
+				} else if (p == 'c')
+				{
+					int cid, val;
+					sscanf(v.c_str(), "%02d%04x", &cid, &val);
+					s->m_cache[cid]=val;
+				} else if (p == 'C')
+				{
+					int val;
+					sscanf(v.c_str(), "%04x", &val);
+					s->m_ca.insert(val);
+				}
+			}
+		addService(ref, s);
+	}
+
+	eDebug("loaded %d services", count);
+	
+	fclose(f);
+	
+}
+
+eDVBDB::~eDVBDB()
+{
+	eDebug("---- saving lame channel db");
+	FILE *f=fopen("lamedb", "wt");
+	int channels=0, services=0;
+	if (!f)
+		eFatal("couldn't save lame channel db!"); 
+	fprintf(f, "eDVB services /3/\n");
+	fprintf(f, "transponders\n");
+	for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
+			i != m_channels.end(); ++i)
+	{
+		const eDVBChannelID &chid = i->first;
+		const channel &ch = i->second;
+		
+		fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
+				chid.transport_stream_id.get(), chid.original_network_id.get());
+		eDVBFrontendParametersSatellite sat;
+		if (!ch.m_frontendParameters->getDVBS(sat))
+		{
+			fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n", 
+				sat.frequency, sat.symbol_rate,
+				sat.polarisation, sat.fec, sat.inversion,
+				sat.orbital_position);
+		}
+		fprintf(f, "/\n");
+		channels++;
+	}
+	fprintf(f, "end\nservices\n");
+	
+	for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
+		i != m_services.end(); ++i)
+	{
+		const eServiceReferenceDVB &s = i->first;
+		fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n", 
+				s.getServiceID().get(), s.getDVBNamespace().get(), 
+				s.getOriginalNetworkID().get(), s.getTransportStreamID().get(),
+				s.getServiceType(),
+				0);
+		
+		fprintf(f, "%s\n", i->second->m_service_name.c_str());
+		fprintf(f, "p=%s", i->second->m_provider_name.c_str());
+		for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
+			ca != i->second->m_ca.end(); ++ca)
+			fprintf(f, ",C=%04x", *ca);
+		fprintf(f, "\n");
+		services++;
+	}
+	fprintf(f, "end\nHave a lot of bugs!\n");
+	eDebug("saved %d channels and %d services!", channels, services);
+	fclose(f);
+}
+
+RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
+{
+	channel ch;
+	assert(feparm);
+	ch.m_frontendParameters = feparm;
+	m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
+	return 0;
+}
+
+RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
+{
+	m_channels.erase(id);
+	return 0;
+}
+
+RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
+{
+	std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
+	if (i == m_channels.end())
+	{
+		parm = 0;
+		return -ENOENT;
+	}
+	parm = i->second.m_frontendParameters;
+	return 0;
+}
+
+RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
+{
+	m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
+	return 0;
+}
+
+RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
+{
+	std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
+	i = m_services.find(reference);
+	if (i == m_services.end())
+	{
+		service = 0;
+		return -ENOENT;
+	}
+	service = i->second;
+	return 0;
+}
+