usr/include/enigma2/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 <set>
   7 #include <lib/base/buffer.h>
   8 #include <lib/dvb/idvb.h>
   9 #include <lib/dvb/dvb.h>
  10 #include <lib/dvb/idemux.h>
  11 #include <lib/dvb/esection.h>
  12 #include <lib/python/python.h>
  13 #include <dvbsi++/program_map_section.h>
  14 #include <dvbsi++/program_association_section.h>
  15
  16 #include <sys/socket.h>
  17 #include <sys/types.h>
  18 #include <sys/un.h>
  19 #include <unistd.h>
  20 #include <fcntl.h>
  21
  22 class eDVBCAService;
  23 class eDVBScan;
  24
  25 struct channel_data: public sigc::trackable
  26 {
  27         ePtr<eDVBChannel> m_channel;
  28         ePtr<eConnection> m_stateChangedConn;
  29         int m_prevChannelState;
  30         int m_dataDemux;
  31 };
  32
  33 // TODO .. put all static stuff into a 'eDVBCAServiceHandler class'
  34
  35 typedef std::map<eServiceReferenceDVB, eDVBCAService*> CAServiceMap;
  36 typedef std::map<iDVBChannel*, channel_data*> ChannelMap;
  37
  38 class eDVBCAService: public sigc::trackable
  39 {
  40         eIOBuffer m_buffer;
  41         ePtr<eSocketNotifier> m_sn;
  42         eServiceReferenceDVB m_service;
  43         uint8_t m_used_demux[32];
  44         unsigned int m_prev_build_hash;
  45
  46         int m_sock, m_clilen;
  47         struct sockaddr_un m_servaddr;
  48         unsigned int m_sendstate;
  49         unsigned char m_capmt[2048];
  50         ePtr<eTimer> m_retryTimer;
  51         void sendCAPMT();
  52         void Connect();
  53         void socketCB(int what);
  54
  55         static void DVBChannelAdded(eDVBChannel*);
  56         static void DVBChannelStateChanged(iDVBChannel*);
  57         static CAServiceMap exist;
  58         static ChannelMap exist_channels;
  59         static ePtr<eConnection> m_chanAddedConn;
  60         static channel_data *getChannelData(eDVBChannelID &chid);
  61
  62         eDVBCAService();
  63         ~eDVBCAService();
  64 public:
  65         static void registerChannelCallback(eDVBResourceManager *res_mgr);
  66         static RESULT register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice );
  67         static RESULT unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr );
  68         void buildCAPMT(eTable<ProgramMapSection> *ptr);
  69 };
  70
  71 #endif
  72
  73 class eDVBServicePMTHandler: public sigc::trackable
  74 {
  75 #ifndef SWIG
  76         friend class eDVBCAService;
  77         eServiceReferenceDVB m_reference;
  78         ePtr<eDVBService> m_service;
  79
  80         static std::map<uint32_t, uint8_t> sdt_versions;
  81
  82         int m_last_channel_state;
  83         eDVBCAService *m_ca_servicePtr;
  84         ePtr<eDVBScan> m_dvb_scan; // for sdt scan
  85
  86         eAUTable<eTable<ProgramMapSection> > m_PMT;
  87         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
  88
  89         ePtr<eConnection> m_SDTConn;
  90         ePtr<iDVBSectionReader> m_SDTReader;
  91         void readSDTdata(const __u8 *data, int len);
  92
  93         eUsePtr<iDVBChannel> m_channel;
  94         eUsePtr<iDVBPVRChannel> m_pvr_channel;
  95         ePtr<eDVBResourceManager> m_resourceManager;
  96         ePtr<iDVBDemux> m_demux, m_pvr_demux_tmp;
  97
  98         void channelStateChanged(iDVBChannel *);
  99         ePtr<eConnection> m_channelStateChanged_connection;
 100         void channelEvent(iDVBChannel *, int event);
 101         ePtr<eConnection> m_channelEvent_connection;
 102         void SDTScanEvent(int);
 103         ePtr<eConnection> m_scan_event_connection;
 104
 105         void PMTready(int error);
 106         void PATready(int error);
 107         int m_pmt_pid;
 108
 109         int m_use_decode_demux;
 110         uint8_t m_decode_demux_num;
 111         ePtr<eTimer> m_no_pat_entry_delay;
 112 public:
 113         eDVBServicePMTHandler();
 114         ~eDVBServicePMTHandler();
 115 #endif
 116
 117 #ifdef SWIG
 118 private:
 119         eDVBServicePMTHandler();
 120 public:
 121 #endif
 122
 123         enum
 124         {
 125                 eventNoResources,  // a requested resource couldn't be allocated
 126                 eventTuneFailed,   // tune failed
 127                 eventNoPAT,        // no pat could be received (timeout)
 128                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
 129                 eventNoPMT,        // no pmt could be received (timeout)
 130                 eventNewProgramInfo, // we just received a PMT
 131                 eventTuned,        // a channel was sucessfully (re-)tuned in, you may start additional filters now
 132                 eventNewSDT,
 133
 134                 eventPreStart,     // before start filepush thread
 135                 eventSOF,          // seek pre start
 136                 eventEOF,          // a file playback did end
 137
 138                 eventMisconfiguration, // a channel was not found in any list, or no frontend was found which could provide this channel
 139         };
 140 #ifndef SWIG
 141         sigc::signal1<void,int> serviceEvent;
 142
 143         struct videoStream
 144         {
 145                 int pid;
 146                 int component_tag;
 147                 enum { vtMPEG2, vtMPEG4_H264, vtMPEG1, vtMPEG4_Part2, vtVC1, vtVC1_SM };
 148                 int type;
 149         };
 150
 151         struct audioStream
 152         {
 153                 int pid,
 154                     rdsPid; // hack for some radio services which transmit radiotext on different pid (i.e. harmony fm, HIT RADIO FFH, ...)
 155                 enum { atMPEG, atAC3, atDTS, atAAC, atAACHE, atLPCM, atDTSHD };
 156                 int type; // mpeg2, ac3, dts, ...
 157
 158                 int component_tag;
 159                 std::string language_code; /* iso-639, if available. */
 160         };
 161
 162         struct subtitleStream
 163         {
 164                 int pid;
 165                 int subtitling_type;    /*  see ETSI EN 300 468 table 26 component_type
 166                                                                         when stream_content is 0x03
 167                                                                         0x10..0x13, 0x20..0x23 is used for dvb subtitles
 168                                                                         0x01 is used for teletext subtitles */
 169                 union
 170                 {
 171                         int composition_page_id;  // used for dvb subtitles
 172                         int teletext_page_number;  // used for teletext subtitles
 173                 };
 174                 union
 175                 {
 176                         int ancillary_page_id;  // used for dvb subtitles
 177                         int teletext_magazine_number;  // used for teletext subtitles
 178                 };
 179                 std::string language_code;
 180                 bool operator<(const subtitleStream &s) const
 181                 {
 182                         if (pid != s.pid)
 183                                 return pid < s.pid;
 184                         if (teletext_page_number != s.teletext_page_number)
 185                                 return teletext_page_number < s.teletext_page_number;
 186                         return teletext_magazine_number < s.teletext_magazine_number;
 187                 }
 188         };
 189
 190         struct aitStream
 191         {
 192                 int pid;
 193                 std::vector<std::pair<int, int> > type_version_pairs;
 194         };
 195
 196         struct program
 197         {
 198                 struct capid_pair
 199                 {
 200                         uint16_t caid;
 201                         int capid;
 202                         bool operator< (const struct capid_pair &t) const { return t.caid < caid; }
 203                 };
 204                 std::vector<videoStream> videoStreams;
 205                 std::vector<audioStream> audioStreams;
 206                 int defaultAudioStream;
 207                 std::vector<subtitleStream> subtitleStreams;
 208                 std::vector<aitStream> aitStreams;
 209                 std::list<capid_pair> caids;
 210                 int pcrPid;
 211                 int pmtPid;
 212                 int textPid;
 213                 bool isCrypted() { return !caids.empty(); }
 214                 PyObject *createPythonObject();
 215         };
 216
 217         int getProgramInfo(program &program);
 218         int getDataDemux(ePtr<iDVBDemux> &demux);
 219         int getDecodeDemux(ePtr<iDVBDemux> &demux);
 220         PyObject *getCaIds(bool pair=false); // caid / ecmpid pair
 221
 222         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 223         int getServiceReference(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 224         int getService(ePtr<eDVBService> &service) { service = m_service; return 0; }
 225         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 226         int getChannel(eUsePtr<iDVBChannel> &channel);
 227         void resetCachedProgram() { m_have_cached_program = false; }
 228         void sendEventNoPatEntry();
 229
 230         /* deprecated interface */
 231         int tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *sg=0, bool simulate=false, eDVBService *service = 0);
 232
 233         /* new interface */
 234         int tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, sigc::slot1<ePtr<iTsSource>, const eServiceReferenceDVB&> createTsSource, const char *streaminfo_file, eCueSheet *sg=0, bool simulate=false, eDVBService *service = 0);
 235
 236         void free();
 237 private:
 238         bool m_have_cached_program;
 239         program m_cached_program;
 240 #endif
 241 };
 242
 243 #endif