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#ifndef __lib_dvb_scan_h
#define __lib_dvb_scan_h
#include <lib/dvb_si/nit.h>
#include <lib/dvb_si/sdt.h>
#include <lib/dvb_si/bat.h>
#include <lib/dvb/db.h>
class eDVBScan: public Object
{
/* chid helper functions: */
/* heuristically determine if onid/tsid is valid */
int isValidONIDTSID(eOriginalNetworkID onid, eTransportStreamID tsid);
/* build dvb namespace */
eDVBNamespace buildNamespace(eOriginalNetworkID onid, eTransportStreamID tsid, unsigned long hash);
/* scan resources */
ePtr<iDVBChannel> m_channel;
ePtr<iDVBDemux> m_demux;
/* infrastructure */
void stateChange(iDVBChannel *);
ePtr<eConnection> m_stateChanged_connection;
/* state handling */
RESULT nextChannel();
RESULT startFilter();
enum { readySDT=1, readyNIT=2, readyBAT=4, readyAll=7,
validSDT=8, validNIT=16, validBAT=32};
/* scan state variables */
int m_channel_state;
int m_ready;
std::map<eDVBChannelID, ePtr<iDVBFrontendParameters> > m_new_channels;
std::map<eServiceReferenceDVB, ePtr<eDVBService> > m_new_services;
std::list<ePtr<iDVBFrontendParameters> > m_ch_toScan, m_ch_scanned, m_ch_unavailable;
ePtr<iDVBFrontendParameters> m_ch_current;
ePtr<eTable<ServiceDescriptionTable> > m_SDT;
ePtr<eTable<NetworkInformationTable> > m_NIT;
ePtr<eTable<BouquetAssociationTable> > m_BAT;
void SDTready(int err);
void NITready(int err);
void BATready(int err);
void addChannel(const eDVBChannelID &chid, iDVBFrontendParameters *feparm);
int sameChannel(iDVBFrontendParameters *ch1, iDVBFrontendParameters *ch2) const;
void channelDone();
Signal1<void,int> m_event;
RESULT processSDT(eDVBNamespace dvbnamespace, const ServiceDescriptionTable &sdt);
public:
eDVBScan(iDVBChannel *channel);
~eDVBScan();
void start(const std::list<ePtr<iDVBFrontendParameters> > &known_transponders);
enum { evtUpdate, evtFinish };
RESULT connectEvent(const Slot1<void,int> &event, ePtr<eConnection> &connection);
void insertInto(eDVBDB *db);
};
#endif
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