lib/dvb/pmt.h

   1 #ifndef __lib_dvb_dvbmid_h
   2 #define __lib_dvb_dvbmid_h
   3
   4 #include <map>
   5 #include <lib/dvb/idvb.h>
   6 #include <lib/dvb/dvb.h>
   7 #include <lib/dvb/idemux.h>
   8 #include <lib/dvb/esection.h>
   9 #include <dvbsi++/program_map_section.h>
  10 #include <dvbsi++/program_association_section.h>
  11
  12 #include <sys/socket.h>
  13 #include <sys/types.h>
  14 #include <sys/un.h>
  15 #include <unistd.h>
  16 #include <fcntl.h>
  17
  18 class eDVBServicePMTHandler;
  19
  20 typedef std::map<eServiceReferenceDVB, eDVBCAService*> CAServiceMap;
  21
  22 class eDVBCAService: public Object
  23 {
  24         eServiceReferenceDVB m_service;
  25         uint8_t m_used_demux[10];
  26         unsigned int m_prev_build_hash;
  27
  28         int m_sock, m_clilen;
  29         struct sockaddr_un m_servaddr;
  30         unsigned int m_sendstate;
  31         unsigned char m_capmt[2048];
  32         eTimer m_retryTimer;
  33         void sendCAPMT();
  34         void Connect();
  35
  36         static CAServiceMap exist;
  37         eDVBCAService();
  38         ~eDVBCAService();
  39 public:
  40         static RESULT register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice );
  41         static RESULT unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr );
  42         void buildCAPMT(eTable<ProgramMapSection> *ptr);
  43 };
  44
  45 class eDVBServicePMTHandler: public Object
  46 {
  47         friend class eDVBCAService;
  48         eServiceReferenceDVB m_reference;
  49         ePtr<eDVBService> m_service;
  50
  51         int m_last_channel_state;
  52         eDVBCAService *m_ca_servicePtr;
  53
  54         eAUTable<eTable<ProgramMapSection> > m_PMT;
  55         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
  56
  57         eUsePtr<iDVBChannel> m_channel;
  58         eUsePtr<iDVBPVRChannel> m_pvr_channel;
  59         ePtr<eDVBResourceManager> m_resourceManager;
  60         ePtr<iDVBDemux> m_demux;
  61
  62         void channelStateChanged(iDVBChannel *);
  63         ePtr<eConnection> m_channelStateChanged_connection;
  64
  65         void PMTready(int error);
  66         void PATready(int error);
  67
  68         int m_record;
  69 public:
  70         eDVBServicePMTHandler(int record);
  71         ~eDVBServicePMTHandler();
  72
  73         enum
  74         {
  75                 eventNoResources,  // a requested resource couldn't be allocated
  76                 eventTuneFailed,   // tune failed
  77                 eventNoPAT,        // no pat could be received (timeout)
  78                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
  79                 eventNoPMT,        // no pmt could be received (timeout)
  80                 eventNewProgramInfo, // we just received a PMT
  81                 eventTuned         // a channel was sucessfully (re-)tuned in, you may start additional filters now
  82         };
  83
  84         Signal1<void,int> serviceEvent;
  85
  86         struct videoStream
  87         {
  88                 int pid;
  89         };
  90
  91         struct audioStream
  92         {
  93                 int pid;
  94                 enum { atMPEG, atAC3, atDTS };
  95                 int type; // mpeg2, ac3, dts, ...
  96
  97                 int component_tag;
  98                 std::string language_code; /* iso-639, if available. */
  99         };
 100
 101         struct program
 102         {
 103                 std::vector<videoStream> videoStreams;
 104                 std::vector<audioStream> audioStreams;
 105                 // ca info
 106                 int pcrPid;
 107                 int pmtPid;
 108         };
 109
 110         int getProgramInfo(struct program &program);
 111         int getDemux(ePtr<iDVBDemux> &demux);
 112         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 113         int getService(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 114         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 115         int getChannel(eUsePtr<iDVBChannel> &channel);
 116
 117         int tune(eServiceReferenceDVB &ref);
 118 };
 119
 120 #endif