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 <lib/python/python.h>
  10 #include <dvbsi++/program_map_section.h>
  11 #include <dvbsi++/program_association_section.h>
  12
  13 #include <sys/socket.h>
  14 #include <sys/types.h>
  15 #include <sys/un.h>
  16 #include <unistd.h>
  17 #include <fcntl.h>
  18
  19 class eDVBCAService;
  20
  21 typedef std::map<eServiceReferenceDVB, eDVBCAService*> CAServiceMap;
  22
  23 class eDVBCAService: public Object
  24 {
  25         eServiceReferenceDVB m_service;
  26         uint8_t m_used_demux[32];
  27         unsigned int m_prev_build_hash;
  28
  29         int m_sock, m_clilen;
  30         struct sockaddr_un m_servaddr;
  31         unsigned int m_sendstate;
  32         unsigned char m_capmt[2048];
  33         eTimer m_retryTimer;
  34         void sendCAPMT();
  35         void Connect();
  36
  37         static CAServiceMap exist;
  38         eDVBCAService();
  39         ~eDVBCAService();
  40 public:
  41         static RESULT register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice );
  42         static RESULT unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr );
  43         void buildCAPMT(eTable<ProgramMapSection> *ptr);
  44 };
  45
  46 class eDVBServicePMTHandler: public Object
  47 {
  48         friend class eDVBCAService;
  49         eServiceReferenceDVB m_reference;
  50         ePtr<eDVBService> m_service;
  51
  52         int m_last_channel_state;
  53         eDVBCAService *m_ca_servicePtr;
  54
  55         eAUTable<eTable<ProgramMapSection> > m_PMT;
  56         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
  57
  58         eUsePtr<iDVBChannel> m_channel;
  59         eUsePtr<iDVBPVRChannel> m_pvr_channel;
  60         ePtr<eDVBResourceManager> m_resourceManager;
  61         ePtr<iDVBDemux> m_demux;
  62
  63         void channelStateChanged(iDVBChannel *);
  64         ePtr<eConnection> m_channelStateChanged_connection;
  65         void channelEvent(iDVBChannel *, int event);
  66         ePtr<eConnection> m_channelEvent_connection;
  67
  68         void PMTready(int error);
  69         void PATready(int error);
  70
  71         int m_use_decode_demux;
  72         uint8_t m_decode_demux_num;
  73
  74 public:
  75         eDVBServicePMTHandler();
  76         ~eDVBServicePMTHandler();
  77
  78         enum
  79         {
  80                 eventNoResources,  // a requested resource couldn't be allocated
  81                 eventTuneFailed,   // tune failed
  82                 eventNoPAT,        // no pat could be received (timeout)
  83                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
  84                 eventNoPMT,        // no pmt could be received (timeout)
  85                 eventNewProgramInfo, // we just received a PMT
  86                 eventTuned,        // a channel was sucessfully (re-)tuned in, you may start additional filters now
  87
  88                 eventSOF,          // seek pre start
  89                 eventEOF,          // a file playback did end
  90         };
  91
  92         Signal1<void,int> serviceEvent;
  93
  94         struct videoStream
  95         {
  96                 int pid;
  97                 int component_tag;
  98         };
  99
 100         struct audioStream
 101         {
 102                 int pid;
 103                 enum { atMPEG, atAC3, atDTS };
 104                 int type; // mpeg2, ac3, dts, ...
 105
 106                 int component_tag;
 107                 std::string language_code; /* iso-639, if available. */
 108         };
 109
 110         struct program
 111         {
 112                 std::vector<videoStream> videoStreams;
 113                 std::vector<audioStream> audioStreams;
 114                 // ca info
 115                 int pcrPid;
 116                 int pmtPid;
 117                 int textPid;
 118                 bool isCrypted;
 119         };
 120
 121         int getProgramInfo(struct program &program);
 122         int getDataDemux(ePtr<iDVBDemux> &demux);
 123         int getDecodeDemux(ePtr<iDVBDemux> &demux);
 124         PyObject *getCaIds();
 125
 126         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 127         int getService(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 128         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 129         int getChannel(eUsePtr<iDVBChannel> &channel);
 130
 131         int tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *sg=0);
 132         void free();
 133
 134         int m_pmt_pid;
 135 };
 136
 137 #endif