lib/dvb/pmt.h

   1 #ifndef __lib_dvb_dvbmid_h
   2 #define __lib_dvb_dvbmid_h
   3
   4 #include <lib/dvb/idvb.h>
   5 #include <lib/dvb/dvb.h>
   6 #include <lib/dvb/idemux.h>
   7 #include <lib/dvb/esection.h>
   8 #include <dvbsi++/program_map_section.h>
   9 #include <dvbsi++/program_association_section.h>
  10
  11 #include <sys/socket.h>
  12 #include <sys/types.h>
  13 #include <sys/un.h>
  14 #include <unistd.h>
  15 #include <fcntl.h>
  16
  17 class eDVBServicePMTHandler;
  18
  19 class eDVBCAService: public Object
  20 {
  21         eDVBServicePMTHandler &m_parent;
  22         int m_sock, m_clilen;
  23         struct sockaddr_un m_servaddr;
  24         unsigned int m_sendstate;
  25         unsigned char *m_capmt;
  26         eTimer m_retryTimer;
  27         void sendCAPMT();
  28         void Connect();
  29 public:
  30         eDVBCAService( eDVBServicePMTHandler &parent )
  31                 :m_parent(parent), m_sendstate(0), m_capmt(NULL), m_retryTimer(eApp)
  32         {
  33                 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
  34                 Connect();
  35 //              eDebug("[eDVBCAHandler] new service %s", service.toString().c_str() );
  36         }
  37         ~eDVBCAService()
  38         {
  39                 delete [] m_capmt;
  40                 ::close(m_sock);
  41 //              eDebug("[eDVBCAHandler] leave service %s", me.toString().c_str() );
  42         }
  43         void buildCAPMT();
  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         uint16_t m_pmt_pid;
  54         eDVBCAService *m_ca_servicePtr;
  55
  56         eAUTable<eTable<ProgramMapSection> > m_PMT;
  57         eAUTable<eTable<ProgramAssociationSection> > m_PAT;
  58
  59         eUsePtr<iDVBChannel> m_channel;
  60         eUsePtr<iDVBPVRChannel> m_pvr_channel;
  61         ePtr<eDVBResourceManager> m_resourceManager;
  62         ePtr<iDVBDemux> m_demux;
  63
  64         void channelStateChanged(iDVBChannel *);
  65         ePtr<eConnection> m_channelStateChanged_connection;
  66
  67         void PMTready(int error);
  68         void PATready(int error);
  69 public:
  70         eDVBServicePMTHandler();
  71         ~eDVBServicePMTHandler();
  72
  73         enum
  74         {
  75                 eventNoResources,  // a requested resource couldn't be allocated
  76                 eventNoPAT,        // no pat could be received (timeout)
  77                 eventNoPATEntry,   // no pat entry for the corresponding SID could be found
  78                 eventNoPMT,        // no pmt could be received (timeout)
  79                 eventNewProgramInfo, // we just received a PMT
  80                 eventTuned         // a channel was sucessfully (re-)tuned in, you may start additional filters now
  81         };
  82
  83         Signal1<void,int> serviceEvent;
  84
  85         struct videoStream
  86         {
  87                 int pid;
  88         };
  89
  90         struct audioStream
  91         {
  92                 int pid;
  93                 enum { atMPEG, atAC3, atDTS };
  94                 int type; // mpeg2, ac3, dts, ...
  95                 // language code, ...
  96         };
  97
  98         struct program
  99         {
 100                 std::vector<videoStream> videoStreams;
 101                 std::vector<audioStream> audioStreams;
 102                 // ca info
 103                 int pcrPid;
 104         };
 105
 106         int getProgramInfo(struct program &program);
 107         int getDemux(ePtr<iDVBDemux> &demux);
 108         int getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel);
 109
 110         int tune(eServiceReferenceDVB &ref);
 111 };
 112
 113 #endif