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/base/buffer.h>
   7 #include <lib/dvb/idvb.h>
   8 #include <lib/dvb/dvb.h>
   9 #include <lib/dvb/idemux.h>
  10 #include <lib/dvb/esection.h>
  11 #include <lib/python/python.h>
  12 #include <dvbsi++/program_map_section.h>
  13 #include <dvbsi++/program_association_section.h>
  14
  15 #include <sys/socket.h>
  16 #include <sys/types.h>
  17 #include <sys/un.h>
  18 #include <unistd.h>
  19 #include <fcntl.h>
  20
  21 class eDVBCAService;
  22 class eDVBScan;
  23
  24 struct channel_data: public Object
  25 {
  26         ePtr<eDVBChannel> m_channel;
  27         ePtr<eConnection> m_stateChangedConn;
  28         int m_prevChannelState;
  29         int m_dataDemux;
  30 };
  31
  32 // TODO .. put all static stuff into a 'eDVBCAServiceHandler class'
  33
  34 typedef std::map<eServiceReferenceDVB, eDVBCAService*> CAServiceMap;
  35 typedef std::map<iDVBChannel*, channel_data*> ChannelMap;
  36
  37 class eDVBCAService: public Object
  38 {
  39         eIOBuffer m_buffer;
  40         ePtr<eSocketNotifier> m_sn;
  41         eServiceReferenceDVB m_service;
  42         uint8_t m_used_demux[32];
  43         unsigned int m_prev_build_hash;
  44
  45         int m_sock, m_clilen;
  46         struct sockaddr_un m_servaddr;
  47         unsigned int m_sendstate;
  48         unsigned char m_capmt[2048];
  49         ePtr<eTimer> m_retryTimer;
  50         void sendCAPMT();
  51         void Connect();
  52         void socketCB(int what);
  53
  54         static void DVBChannelAdded(eDVBChannel*);
  55         static void DVBChannelStateChanged(iDVBChannel*);
  56         static CAServiceMap exist;
  57         static ChannelMap exist_channels;
  58         static ePtr<eConnection> m_chanAddedConn;
  59         static channel_data *getChannelData(eDVBChannelID &chid);
  60
  61         eDVBCAService();
  62         ~eDVBCAService();
  63 public:
  64         static void registerChannelCallback(eDVBResourceManager *res_mgr);
  65         static RESULT register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice );
  66         static RESULT unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr );
  67         void buildCAPMT(eTable<ProgramMapSection> *ptr);
  68 };
  69
  70 #endif
  71
  72 class eDVBServicePMTHandler: public Object
  73 {
  74 #ifndef SWIG
  75         friend class eDVBCAService;
  76         eServiceReferenceDVB m_reference;
  77         ePtr<eDVBService> m_service;
  78
  79         int m_last_channel_state;
  80         eDVBCAService *m_ca_servicePtr;
  81         ePtr<eDVBScan> m_dvb_scan; // for sdt scan
  82
  83         eAUTable<eTable<ProgramMapSection> > m_PMT;
  84         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
  85
  86         eUsePtr<iDVBChannel> m_channel;
  87         eUsePtr<iDVBPVRChannel> m_pvr_channel;
  88         ePtr<eDVBResourceManager> m_resourceManager;
  89         ePtr<iDVBDemux> m_demux;
  90
  91         void channelStateChanged(iDVBChannel *);
  92         ePtr<eConnection> m_channelStateChanged_connection;
  93         void channelEvent(iDVBChannel *, int event);
  94         ePtr<eConnection> m_channelEvent_connection;
  95         void SDTScanEvent(int);
  96         ePtr<eConnection> m_scan_event_connection;
  97
  98         void PMTready(int error);
  99         void PATready(int error);
 100
 101         int m_pmt_pid;
 102
 103         int m_use_decode_demux;
 104         uint8_t m_decode_demux_num;
 105 public:
 106         eDVBServicePMTHandler();
 107         ~eDVBServicePMTHandler();
 108 #endif
 109
 110 #ifdef SWIG
 111 private:
 112         eDVBServicePMTHandler();
 113 public:
 114 #endif
 115
 116         enum
 117         {
 118                 eventNoResources,  // a requested resource couldn't be allocated
 119                 eventTuneFailed,   // tune failed
 120                 eventNoPAT,        // no pat could be received (timeout)
 121                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
 122                 eventNoPMT,        // no pmt could be received (timeout)
 123                 eventNewProgramInfo, // we just received a PMT
 124                 eventTuned,        // a channel was sucessfully (re-)tuned in, you may start additional filters now
 125
 126                 eventSOF,          // seek pre start
 127                 eventEOF,          // a file playback did end
 128
 129                 eventMisconfiguration, // a channel was not found in any list, or no frontend was found which could provide this channel
 130         };
 131 #ifndef SWIG
 132         Signal1<void,int> serviceEvent;
 133
 134         struct videoStream
 135         {
 136                 int pid;
 137                 int component_tag;
 138                 enum { vtMPEG2, vtMPEG4_H264, vtMPEG1, vtMPEG4_Part2, vtVC1, vtVC1_SM };
 139                 int type;
 140         };
 141
 142         struct audioStream
 143         {
 144                 int pid;
 145                 enum { atMPEG, atAC3, atDTS, atAAC, atAACHE };
 146                 int type; // mpeg2, ac3, dts, ...
 147
 148                 int component_tag;
 149                 std::string language_code; /* iso-639, if available. */
 150         };
 151
 152         struct subtitleStream
 153         {
 154                 int pid;
 155                 int subtitling_type;    /*  see ETSI EN 300 468 table 26 component_type
 156                                                                         when stream_content is 0x03
 157                                                                         0x10..0x13, 0x20..0x23 is used for dvb subtitles
 158                                                                         0x01 is used for teletext subtitles */
 159                 union
 160                 {
 161                         int composition_page_id;  // used for dvb subtitles
 162                         int teletext_page_number;  // used for teletext subtitles
 163                 };
 164                 union
 165                 {
 166                         int ancillary_page_id;  // used for dvb subtitles
 167                         int teletext_magazine_number;  // used for teletext subtitles
 168                 };
 169                 std::string language_code;
 170                 bool operator<(const subtitleStream &s) const
 171                 {
 172                         if (pid != s.pid)
 173                                 return pid < s.pid;
 174                         if (teletext_page_number != s.teletext_page_number)
 175                                 return teletext_page_number < s.teletext_page_number;
 176                         return teletext_magazine_number < s.teletext_magazine_number;
 177                 }
 178         };
 179
 180         struct program
 181         {
 182                 std::vector<videoStream> videoStreams;
 183                 std::vector<audioStream> audioStreams;
 184                 int defaultAudioStream;
 185                 std::vector<subtitleStream> subtitleStreams;
 186                 std::set<uint16_t> caids;
 187                 int pcrPid;
 188                 int pmtPid;
 189                 int textPid;
 190                 bool isCrypted() { return !caids.empty(); }
 191
 192                 PyObject *createPythonObject();
 193         };
 194
 195         int getProgramInfo(struct program &program);
 196         int getDataDemux(ePtr<iDVBDemux> &demux);
 197         int getDecodeDemux(ePtr<iDVBDemux> &demux);
 198         PyObject *getCaIds();
 199
 200         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 201         int getServiceReference(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 202         int getService(ePtr<eDVBService> &service) { service = m_service; return 0; }
 203         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 204         int getChannel(eUsePtr<iDVBChannel> &channel);
 205         void resetCachedProgram() { m_have_cached_program = false; }
 206
 207         int tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *sg=0, bool simulate=false, eDVBService *service = 0);
 208         void free();
 209 private:
 210         bool m_have_cached_program;
 211         program m_cached_program;
 212 #endif
 213 };
 214
 215 #endif