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 <dvbsi++/time_date_section.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         int update_count;
  29 public:
  30         TDT(eDVBChannel *chan, int update_count=0);
  31         void start();
  32         void startTimer(int interval);
  33         int getUpdateCount() { return update_count; }
  34 };
  35
  36 class eDVBLocalTimeHandler: public Object
  37 {
  38         struct channel_data
  39         {
  40                 TDT *tdt;
  41                 ePtr<eDVBChannel> channel;
  42                 ePtr<eConnection> m_stateChangedConn;
  43                 int m_prevChannelState;
  44         };
  45         friend class TDT;
  46         DECLARE_REF(eDVBLocalTimeHandler)
  47         std::map<iDVBChannel*, channel_data> m_knownChannels;
  48         std::map<eDVBChannelID,int> m_timeOffsetMap;
  49         ePtr<eConnection> m_chanAddedConn;
  50         bool m_time_ready;
  51         int m_time_difference;
  52         int m_last_tp_time_difference;
  53         void DVBChannelAdded(eDVBChannel*);
  54         void DVBChannelStateChanged(iDVBChannel*);
  55         void readTimeOffsetData(const char*);
  56         void writeTimeOffsetData(const char*);
  57         void updateTime(time_t tp_time, eDVBChannel*, int updateCount);
  58         static eDVBLocalTimeHandler *instance;
  59 public:
  60         PSignal0<void> m_timeUpdated;
  61         eDVBLocalTimeHandler();
  62         ~eDVBLocalTimeHandler();
  63         bool ready() const { return m_time_ready; }
  64         int difference() const { return m_time_difference; }
  65         static eDVBLocalTimeHandler *getInstance() { return instance; }
  66 };
  67
  68 #endif // __LIB_DVB_DVBTIME_H_