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         void channelEvent(iDVBChannel *, int event);
  65         ePtr<eConnection> m_channelEvent_connection;
  66
  67         void PMTready(int error);
  68         void PATready(int error);
  69
  70         int m_use_decode_demux;
  71
  72 public:
  73         eDVBServicePMTHandler();
  74         ~eDVBServicePMTHandler();
  75
  76         enum
  77         {
  78                 eventNoResources,  // a requested resource couldn't be allocated
  79                 eventTuneFailed,   // tune failed
  80                 eventNoPAT,        // no pat could be received (timeout)
  81                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
  82                 eventNoPMT,        // no pmt could be received (timeout)
  83                 eventNewProgramInfo, // we just received a PMT
  84                 eventTuned,        // a channel was sucessfully (re-)tuned in, you may start additional filters now
  85
  86                 eventEOF,          // a file playback did end
  87         };
  88
  89         Signal1<void,int> serviceEvent;
  90
  91         struct videoStream
  92         {
  93                 int pid;
  94                 int component_tag;
  95         };
  96
  97         struct audioStream
  98         {
  99                 int pid;
 100                 enum { atMPEG, atAC3, atDTS };
 101                 int type; // mpeg2, ac3, dts, ...
 102
 103                 int component_tag;
 104                 std::string language_code; /* iso-639, if available. */
 105         };
 106
 107         struct program
 108         {
 109                 std::vector<videoStream> videoStreams;
 110                 std::vector<audioStream> audioStreams;
 111                 // ca info
 112                 int pcrPid;
 113                 int pmtPid;
 114                 bool isCrypted;
 115         };
 116
 117         int getProgramInfo(struct program &program);
 118         int getDataDemux(ePtr<iDVBDemux> &demux);
 119         int getDecodeDemux(ePtr<iDVBDemux> &demux);
 120
 121         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 122         int getService(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 123         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 124         int getChannel(eUsePtr<iDVBChannel> &channel);
 125
 126         int tune(eServiceReferenceDVB &ref, int use_decode_demux);
 127         void free();
 128 };
 129
 130 #endif