lib/dvb/pmt.h

   1 #ifndef __lib_dvb_dvbmid_h
   2 #define __lib_dvb_dvbmid_h
   3
   4 #ifndef SWIG
   5 #include <map>
   6 #include <lib/dvb/idvb.h>
   7 #include <lib/dvb/dvb.h>
   8 #include <lib/dvb/idemux.h>
   9 #include <lib/dvb/esection.h>
  10 #include <lib/python/python.h>
  11 #include <dvbsi++/program_map_section.h>
  12 #include <dvbsi++/program_association_section.h>
  13
  14 #include <sys/socket.h>
  15 #include <sys/types.h>
  16 #include <sys/un.h>
  17 #include <unistd.h>
  18 #include <fcntl.h>
  19
  20 class eDVBCAService;
  21 class eDVBScan;
  22
  23 typedef std::map<eServiceReferenceDVB, eDVBCAService*> CAServiceMap;
  24
  25 class eDVBCAService: public Object
  26 {
  27         eServiceReferenceDVB m_service;
  28         uint8_t m_used_demux[32];
  29         unsigned int m_prev_build_hash;
  30
  31         int m_sock, m_clilen;
  32         struct sockaddr_un m_servaddr;
  33         unsigned int m_sendstate;
  34         unsigned char m_capmt[2048];
  35         eTimer m_retryTimer;
  36         void sendCAPMT();
  37         void Connect();
  38
  39         static CAServiceMap exist;
  40         eDVBCAService();
  41         ~eDVBCAService();
  42 public:
  43         static RESULT register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice );
  44         static RESULT unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr );
  45         void buildCAPMT(eTable<ProgramMapSection> *ptr);
  46 };
  47
  48 #endif
  49
  50 class eDVBServicePMTHandler: public Object
  51 {
  52 #ifndef SWIG
  53         friend class eDVBCAService;
  54         eServiceReferenceDVB m_reference;
  55         ePtr<eDVBService> m_service;
  56
  57         int m_last_channel_state;
  58         eDVBCAService *m_ca_servicePtr;
  59         eDVBScan *m_dvb_scan; // for sdt scan
  60
  61         eAUTable<eTable<ProgramMapSection> > m_PMT;
  62         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
  63
  64         eUsePtr<iDVBChannel> m_channel;
  65         eUsePtr<iDVBPVRChannel> m_pvr_channel;
  66         ePtr<eDVBResourceManager> m_resourceManager;
  67         ePtr<iDVBDemux> m_demux;
  68
  69         void channelStateChanged(iDVBChannel *);
  70         ePtr<eConnection> m_channelStateChanged_connection;
  71         void channelEvent(iDVBChannel *, int event);
  72         ePtr<eConnection> m_channelEvent_connection;
  73         void SDTScanEvent(int);
  74         ePtr<eConnection> m_scan_event_connection;
  75
  76         void PMTready(int error);
  77         void PATready(int error);
  78
  79         int m_pmt_pid;
  80
  81         int m_use_decode_demux;
  82         uint8_t m_decode_demux_num;
  83 public:
  84         eDVBServicePMTHandler();
  85         ~eDVBServicePMTHandler();
  86 #endif
  87
  88 #ifdef SWIG
  89 private:
  90         eDVBServicePMTHandler();
  91 public:
  92 #endif
  93
  94         enum
  95         {
  96                 eventNoResources,  // a requested resource couldn't be allocated
  97                 eventTuneFailed,   // tune failed
  98                 eventNoPAT,        // no pat could be received (timeout)
  99                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
 100                 eventNoPMT,        // no pmt could be received (timeout)
 101                 eventNewProgramInfo, // we just received a PMT
 102                 eventTuned,        // a channel was sucessfully (re-)tuned in, you may start additional filters now
 103
 104                 eventSOF,          // seek pre start
 105                 eventEOF,          // a file playback did end
 106         };
 107 #ifndef SWIG
 108         Signal1<void,int> serviceEvent;
 109
 110         struct videoStream
 111         {
 112                 int pid;
 113                 int component_tag;
 114                 enum { vtMPEG2, vtMPEG4_H264 };
 115                 int type;
 116         };
 117
 118         struct audioStream
 119         {
 120                 int pid;
 121                 enum { atMPEG, atAC3, atDTS, atAAC };
 122                 int type; // mpeg2, ac3, dts, ...
 123
 124                 int component_tag;
 125                 std::string language_code; /* iso-639, if available. */
 126         };
 127
 128         struct subtitleStream
 129         {
 130                 int pid;
 131                 int subtitling_type;    /*  see ETSI EN 300 468 table 26 component_type
 132                                                                         when stream_content is 0x03
 133                                                                         0x10..0x13, 0x20..0x23 is used for dvb subtitles
 134                                                                         0x01 is used for teletext subtitles */
 135                 union
 136                 {
 137                         int composition_page_id;  // used for dvb subtitles
 138                         int teletext_page_number;  // used for teletext subtitles
 139                 };
 140                 union
 141                 {
 142                         int ancillary_page_id;  // used for dvb subtitles
 143                         int teletext_magazine_number;  // used for teletext subtitles
 144                 };
 145                 std::string language_code;
 146                 bool operator<(const subtitleStream &s) const
 147                 {
 148                         if (pid != s.pid)
 149                                 return pid < s.pid;
 150                         if (teletext_page_number != s.teletext_page_number)
 151                                 return teletext_page_number < s.teletext_page_number;
 152                         return teletext_magazine_number < s.teletext_magazine_number;
 153                 }
 154         };
 155
 156         struct program
 157         {
 158                 std::vector<videoStream> videoStreams;
 159                 std::vector<audioStream> audioStreams;
 160                 int defaultAudioStream;
 161                 std::vector<subtitleStream> subtitleStreams;
 162                 std::set<uint16_t> caids;
 163                 int pcrPid;
 164                 int pmtPid;
 165                 int textPid;
 166                 bool isCrypted() { return !caids.empty(); }
 167
 168                 PyObject *createPythonObject();
 169         };
 170
 171         int getProgramInfo(struct program &program);
 172         int getDataDemux(ePtr<iDVBDemux> &demux);
 173         int getDecodeDemux(ePtr<iDVBDemux> &demux);
 174         PyObject *getCaIds();
 175
 176         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 177         int getServiceReference(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 178         int getService(ePtr<eDVBService> &service) { service = m_service; return 0; }
 179         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 180         int getChannel(eUsePtr<iDVBChannel> &channel);
 181         void resetCachedProgram() { m_have_cached_program = false; }
 182
 183         int tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *sg=0);
 184         void free();
 185 private:
 186         bool m_have_cached_program;
 187         program m_cached_program;
 188 #endif
 189 };
 190
 191 #endif