lib/dvb/dvbtime.h

   1 #ifndef __LIB_DVB_DVBTIME_H_
   2 #define __LIB_DVB_DVBTIME_H_
   3
   4 #include <lib/base/eerror.h>
   5 #include <lib/dvb/esection.h>
   6 #include <lib/dvb_si/tdt.h>
   7
   8 class eDVBChannel;
   9
  10 inline int fromBCD(int bcd)
  11 {
  12         if ((bcd&0xF0)>=0xA0)
  13                 return -1;
  14         if ((bcd&0xF)>=0xA)
  15                 return -1;
  16         return ((bcd&0xF0)>>4)*10+(bcd&0xF);
  17 }
  18
  19 time_t parseDVBtime(__u8 t1, __u8 t2, __u8 t3, __u8 t4, __u8 t5);
  20
  21 class TDT: public eGTable
  22 {
  23         eDVBChannel *chan;
  24         ePtr<iDVBDemux> demux;
  25         eTimer m_interval_timer;
  26         int createTable(int nr, const __u8 *data, unsigned int max);
  27         void ready(int);
  28 public:
  29         TDT(eDVBChannel *chan);
  30         void start();
  31         void startTimer(int interval);
  32 };
  33
  34 class eDVBLocalTimeHandler: public Object
  35 {
  36         struct channel_data
  37         {
  38                 TDT *tdt;
  39                 ePtr<eDVBChannel> channel;
  40                 ePtr<eConnection> m_stateChangedConn;
  41         };
  42         friend class TDT;
  43         DECLARE_REF(eDVBLocalTimeHandler)
  44         std::map<iDVBChannel*, channel_data> m_knownChannels;
  45         std::map<eDVBChannelID,int> m_timeOffsetMap;
  46         ePtr<eConnection> m_chanAddedConn;
  47         bool m_time_ready;
  48         int m_time_difference;
  49         int m_last_tp_time_difference;
  50         void DVBChannelAdded(eDVBChannel*);
  51         void DVBChannelStateChanged(iDVBChannel*);
  52         void readTimeOffsetData(const char*);
  53         void writeTimeOffsetData(const char*);
  54         void updateTime(time_t tp_time, eDVBChannel*);
  55         static eDVBLocalTimeHandler *instance;
  56 public:
  57         PSignal0<void> m_timeUpdated;
  58         eDVBLocalTimeHandler();
  59         ~eDVBLocalTimeHandler();
  60         bool ready() const { return m_time_ready; }
  61         int difference() const { return m_time_difference; }
  62         static eDVBLocalTimeHandler *getInstance() { return instance; }
  63 };
  64
  65 #endif // __LIB_DVB_DVBTIME_H_