code.vuplus.com Git - vuplus_dvbapp/blob - 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 <lib/python/connections.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 #include <dvbsi++/application_information_section.h>
  26 class OCSection : public LongCrcSection
  27 {
  28 protected:
  29         void *data;
  30
  31 public:
  32         OCSection(const uint8_t * const buffer)
  33         : LongCrcSection(buffer)
  34         {
  35                 data = malloc(getSectionLength());
  36                 memcpy(data, buffer, getSectionLength());
  37         }
  38         ~OCSection()
  39         {
  40                 free(data);
  41         }
  42         void *getData() { return data; }
  43 };
  44
  45 struct channel_data: public Object
  46 {
  47         ePtr<eDVBChannel> m_channel;
  48         ePtr<eConnection> m_stateChangedConn;
  49         int m_prevChannelState;
  50         int m_dataDemux;
  51 };
  52
  53 // TODO .. put all static stuff into a 'eDVBCAServiceHandler class'
  54
  55 typedef std::map<eServiceReferenceDVB, eDVBCAService*> CAServiceMap;
  56 typedef std::map<iDVBChannel*, channel_data*> ChannelMap;
  57
  58 class eDVBCAService: public Object
  59 {
  60         eIOBuffer m_buffer;
  61         ePtr<eSocketNotifier> m_sn;
  62         eServiceReferenceDVB m_service;
  63         uint8_t m_used_demux[32];
  64         unsigned int m_prev_build_hash;
  65
  66         int m_sock, m_clilen;
  67         struct sockaddr_un m_servaddr;
  68         unsigned int m_sendstate;
  69         unsigned char m_capmt[2048];
  70         ePtr<eTimer> m_retryTimer;
  71         void sendCAPMT();
  72         void Connect();
  73         void socketCB(int what);
  74
  75         static void DVBChannelAdded(eDVBChannel*);
  76         static void DVBChannelStateChanged(iDVBChannel*);
  77         static CAServiceMap exist;
  78         static ChannelMap exist_channels;
  79         static ePtr<eConnection> m_chanAddedConn;
  80         static channel_data *getChannelData(eDVBChannelID &chid);
  81
  82         eDVBCAService();
  83         ~eDVBCAService();
  84 public:
  85         static void registerChannelCallback(eDVBResourceManager *res_mgr);
  86         static RESULT register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice );
  87         static RESULT unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr );
  88         void buildCAPMT(eTable<ProgramMapSection> *ptr);
  89 };
  90
  91 #endif
  92
  93 #include <list>
  94 #include <string>
  95 class HbbTVApplicationInfo
  96 {
  97 public:
  98         int m_OrgId;
  99         int m_AppId;
 100         int m_ControlCode;
 101         std::string m_HbbTVUrl;
 102         std::string m_ApplicationName;
 103 public:
 104         HbbTVApplicationInfo(int controlCode, int orgid, int appid, std::string hbbtvUrl, std::string applicationName)
 105                 : m_ControlCode(controlCode), m_HbbTVUrl(hbbtvUrl), m_ApplicationName(applicationName), m_OrgId(orgid), m_AppId(appid)
 106         {}
 107 };
 108 typedef std::list<HbbTVApplicationInfo *> HbbTVApplicationInfoList;
 109 typedef HbbTVApplicationInfoList::iterator HbbTVApplicationInfoListIterator;
 110 typedef HbbTVApplicationInfoList::const_iterator HbbTVApplicationInfoListConstIterator;
 111
 112 class eDVBServicePMTHandler: public Object
 113 {
 114 #ifndef SWIG
 115         friend class eDVBCAService;
 116         eServiceReferenceDVB m_reference;
 117         ePtr<eDVBService> m_service;
 118
 119         int m_last_channel_state;
 120         eDVBCAService *m_ca_servicePtr;
 121         ePtr<eDVBScan> m_dvb_scan; // for sdt scan
 122
 123         eAUTable<eTable<ProgramMapSection> > m_PMT;
 124         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
 125
 126         eUsePtr<iDVBChannel> m_channel;
 127         eUsePtr<iDVBPVRChannel> m_pvr_channel;
 128         ePtr<eDVBResourceManager> m_resourceManager;
 129         ePtr<iDVBDemux> m_demux, m_pvr_demux_tmp;
 130
 131         void channelStateChanged(iDVBChannel *);
 132         ePtr<eConnection> m_channelStateChanged_connection;
 133         void channelEvent(iDVBChannel *, int event);
 134         ePtr<eConnection> m_channelEvent_connection;
 135         void SDTScanEvent(int);
 136         ePtr<eConnection> m_scan_event_connection;
 137
 138         eAUTable<eTable<ApplicationInformationSection> > m_AIT;
 139         eAUTable<eTable<OCSection> > m_OC;
 140
 141         void PMTready(int error);
 142         void PATready(int error);
 143
 144         int m_pmt_pid;
 145
 146         void AITready(int error);
 147         void OCready(int error);
 148         int m_dsmcc_pid;
 149         int m_ait_pid;
 150         HbbTVApplicationInfoList m_HbbTVApplications;
 151         std::string m_HBBTVUrl;
 152         std::string m_ApplicationName;
 153         unsigned char m_AITData[4096];
 154
 155         int m_use_decode_demux;
 156         uint8_t m_decode_demux_num;
 157         ePtr<eTimer> m_no_pat_entry_delay;
 158 public:
 159         eDVBServicePMTHandler();
 160         ~eDVBServicePMTHandler();
 161 #endif
 162
 163 #ifdef SWIG
 164 private:
 165         eDVBServicePMTHandler();
 166 public:
 167 #endif
 168
 169         enum
 170         {
 171                 eventNoResources,  // a requested resource couldn't be allocated
 172                 eventTuneFailed,   // tune failed
 173                 eventNoPAT,        // no pat could be received (timeout)
 174                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
 175                 eventNoPMT,        // no pmt could be received (timeout)
 176                 eventNewProgramInfo, // we just received a PMT
 177                 eventTuned,        // a channel was sucessfully (re-)tuned in, you may start additional filters now
 178
 179                 eventPreStart,     // before start filepush thread
 180                 eventSOF,          // seek pre start
 181                 eventEOF,          // a file playback did end
 182
 183                 eventHBBTVInfo, /* HBBTV information was detected in the AIT */
 184
 185                 eventMisconfiguration, // a channel was not found in any list, or no frontend was found which could provide this channel
 186         };
 187 #ifndef SWIG
 188         Signal1<void,int> serviceEvent;
 189
 190         struct videoStream
 191         {
 192                 int pid;
 193                 int component_tag;
 194                 enum { vtMPEG2, vtMPEG4_H264, vtMPEG1, vtMPEG4_Part2, vtVC1, vtVC1_SM };
 195                 int type;
 196         };
 197
 198         struct audioStream
 199         {
 200                 int pid,
 201                     rdsPid; // hack for some radio services which transmit radiotext on different pid (i.e. harmony fm, HIT RADIO FFH, ...)
 202                 enum { atMPEG, atAC3, atDTS, atAAC, atAACHE, atLPCM, atDTSHD, atDDP  };
 203                 int type; // mpeg2, ac3, dts, ...
 204
 205                 int component_tag;
 206                 std::string language_code; /* iso-639, if available. */
 207         };
 208
 209         struct subtitleStream
 210         {
 211                 int pid;
 212                 int subtitling_type;    /*  see ETSI EN 300 468 table 26 component_type
 213                                                                         when stream_content is 0x03
 214                                                                         0x10..0x13, 0x20..0x23 is used for dvb subtitles
 215                                                                         0x01 is used for teletext subtitles */
 216                 union
 217                 {
 218                         int composition_page_id;  // used for dvb subtitles
 219                         int teletext_page_number;  // used for teletext subtitles
 220                 };
 221                 union
 222                 {
 223                         int ancillary_page_id;  // used for dvb subtitles
 224                         int teletext_magazine_number;  // used for teletext subtitles
 225                 };
 226                 std::string language_code;
 227                 bool operator<(const subtitleStream &s) const
 228                 {
 229                         if (pid != s.pid)
 230                                 return pid < s.pid;
 231                         if (teletext_page_number != s.teletext_page_number)
 232                                 return teletext_page_number < s.teletext_page_number;
 233                         return teletext_magazine_number < s.teletext_magazine_number;
 234                 }
 235         };
 236
 237         struct program
 238         {
 239                 struct capid_pair
 240                 {
 241                         uint16_t caid;
 242                         int capid;
 243                         bool operator< (const struct capid_pair &t) const { return t.caid < caid; }
 244                 };
 245                 std::vector<videoStream> videoStreams;
 246                 std::vector<audioStream> audioStreams;
 247                 int defaultAudioStream;
 248                 std::vector<subtitleStream> subtitleStreams;
 249                 std::list<capid_pair> caids;
 250                 int pcrPid;
 251                 int pmtPid;
 252                 int textPid;
 253                 int aitPid;
 254                 bool isCrypted() { return !caids.empty(); }
 255                 PyObject *createPythonObject();
 256         };
 257
 258         int getProgramInfo(program &program);
 259         int getDataDemux(ePtr<iDVBDemux> &demux);
 260         int getDecodeDemux(ePtr<iDVBDemux> &demux);
 261         PyObject *getCaIds(bool pair=false); // caid / ecmpid pair
 262         PyObject *getHbbTVApplications(void);
 263
 264         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 265         int getServiceReference(eServiceReferenceDVB &service) { service = m_reference; return 0; }
 266         int getService(ePtr<eDVBService> &service) { service = m_service; return 0; }
 267         int getPMT(ePtr<eTable<ProgramMapSection> > &ptr) { return m_PMT.getCurrent(ptr); }
 268         int getChannel(eUsePtr<iDVBChannel> &channel);
 269         void resetCachedProgram() { m_have_cached_program = false; }
 270         void sendEventNoPatEntry();
 271
 272         void getHBBTVUrl(std::string &ret) { ret = m_HBBTVUrl; }
 273
 274         /* deprecated interface */
 275         int tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *sg=0, bool simulate=false, eDVBService *service = 0);
 276
 277         /* new interface */
 278         int tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &, const char *streaminfo_file, eCueSheet *sg=0, bool simulate=false, eDVBService *service = 0, bool isstreamclient=false);
 279
 280         void free();
 281 private:
 282         bool m_have_cached_program;
 283         program m_cached_program;
 284         bool m_isstreamclient;
 285 #endif
 286 };
 287
 288 #endif