dvb.h

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#ifndef __dvb_dvb_h
#define __dvb_dvb_h
 
#ifndef SWIG
 
#include <lib/base/ebase.h>
#include <lib/base/elock.h>
#include <lib/dvb/idvb.h>
#include <lib/dvb/fbc.h>
#include <lib/dvb/demux.h>
#include <lib/dvb/frontend.h>
#include <lib/dvb/tstools.h>
#include <lib/dvb/esection.h>
#include "filepush.h"
#include <connection.h>
 
#include <dvbsi++/service_description_section.h>
 
class eDVBChannel;
 
  /* we do NOT handle resource conflicts here. instead, the allocateChannel
     fails, and the application has to see why the channel is allocated
     (and how to deallocate it). */
class iDVBAdapter;
 
class eDVBRegisteredFrontend: public iObject, public sigc::trackable
{
  DECLARE_REF(eDVBRegisteredFrontend);
  ePtr<eTimer> disable;
  void closeFrontend()
  {
    if (!m_inuse && m_frontend->closeFrontend()) // frontend busy
      disable->start(60000, true);  // retry close in 60secs
  }
public:
  sigc::signal0<void> stateChanged;
  eDVBRegisteredFrontend(eDVBFrontend *fe, iDVBAdapter *adap)
    :disable(eTimer::create(eApp)), m_adapter(adap), m_frontend(fe), m_inuse(0)
  {
    CONNECT(disable->timeout, eDVBRegisteredFrontend::closeFrontend);
  }
  void dec_use()
  {
    if (!--m_inuse)
    {
      /* emit */ stateChanged();
      disable->start(3000, true);
    }
  }
  void inc_use()
  {
    if (++m_inuse == 1)
    {
      m_frontend->openFrontend();
      /* emit */ stateChanged();
    }
  }
  iDVBAdapter *m_adapter;
  ePtr<eDVBFrontend> m_frontend;
  int m_inuse;
};
 
struct eDVBRegisteredDemux
{
  DECLARE_REF(eDVBRegisteredDemux);
public:
  iDVBAdapter *m_adapter;
  ePtr<eDVBDemux> m_demux;
  int m_inuse;
  eDVBRegisteredDemux(eDVBDemux *demux, iDVBAdapter *adap): m_adapter(adap), m_demux(demux), m_inuse(0) { }
};
 
class eDVBAllocatedFrontend
{
  DECLARE_REF(eDVBAllocatedFrontend);
public:
 
  eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe);
  ~eDVBAllocatedFrontend();
  eDVBFrontend &get() { return *m_fe->m_frontend; }
  operator eDVBRegisteredFrontend*() { return m_fe; }
  operator eDVBFrontend*() { return m_fe->m_frontend; }
 
private:
  eDVBRegisteredFrontend *m_fe;
};
 
class eDVBAllocatedDemux
{
  DECLARE_REF(eDVBAllocatedDemux);
public:
 
  eDVBAllocatedDemux(eDVBRegisteredDemux *demux);
  ~eDVBAllocatedDemux();
  eDVBDemux &get() { return *m_demux->m_demux; }
  operator eDVBRegisteredDemux*() { return m_demux; }
  operator eDVBDemux*() { return m_demux->m_demux; }
 
private:
  eDVBRegisteredDemux *m_demux;
};
 
class iDVBAdapter: public iObject
{
public:
  virtual int getNumDemux() = 0;
  virtual RESULT getDemux(ePtr<eDVBDemux> &demux, int nr) = 0;
 
  virtual int getNumFrontends() = 0;
  virtual RESULT getFrontend(ePtr<eDVBFrontend> &fe, int nr, bool simulate=false) = 0;
};
 
class eDVBAdapterLinux: public iDVBAdapter
{
  DECLARE_REF(eDVBAdapterLinux);
public:
  eDVBAdapterLinux(int nr);
 
  void scanDevices();
 
  int getNumDemux();
  RESULT getDemux(ePtr<eDVBDemux> &demux, int nr);
 
  int getNumFrontends();
  RESULT getFrontend(ePtr<eDVBFrontend> &fe, int nr, bool simulate=false);
 
  static int exist(int nr);
  static bool isusb(int nr);
private:
  int m_nr;
  eSmartPtrList<eDVBFrontend> m_frontend, m_simulate_frontend;
  eSmartPtrList<eDVBDemux>    m_demux;
protected:
  static std::map<std::string, std::string> mappedFrontendName;
};
 
class eDVBUsbAdapter: public eDVBAdapterLinux
{
  DECLARE_REF(eDVBUsbAdapter);
private:
  int vtunerFd;
  int demuxFd;
  int pipeFd[2];
  std::string usbFrontendName;
  std::string virtualFrontendName;
  bool running;
  unsigned short int pidList[30];
  unsigned char buffer[4 * 1024 * 188];
  pthread_t pumpThread;
  static void *threadproc(void *arg);
  void *vtunerPump();
 
public:
  eDVBUsbAdapter(int nr);
  ~eDVBUsbAdapter();
};
#endif // SWIG
 
SWIG_IGNORE(eDVBResourceManager);
class eDVBResourceManager: public iObject, public sigc::trackable
{
  DECLARE_REF(eDVBResourceManager);
  int avail, busy;
 
  enum { DM7025, DM800, DM500HD, DM800SE, DM8000, DM7020HD, DM7080, DM820, DM520, DM525, DM900, DM920, GIGABLUE, DM500HDV2, DM800SEV2, WETEKPLAY, WETEKPLAY2, WETEKHUB};
 
  int m_boxtype;
 
  eSmartPtrList<iDVBAdapter> m_adapter;
  eSmartPtrList<eDVBRegisteredDemux> m_demux;
  eSmartPtrList<eDVBRegisteredFrontend> m_frontend, m_simulate_frontend;
  void addAdapter(iDVBAdapter *adapter, bool front = false);
  void setUsbTuner();
 
public:
  struct active_channel
  {
    eDVBChannelID m_channel_id;
      /* we don't hold a reference here. */
    eDVBChannel *m_channel;
 
    active_channel(const eDVBChannelID &chid, eDVBChannel *ch) : m_channel_id(chid), m_channel(ch) { }
  };
 
private:
  std::list<active_channel> m_active_channels, m_active_simulate_channels;
 
  ePtr<iDVBChannelList> m_list;
  ePtr<iDVBSatelliteEquipmentControl> m_sec;
  static eDVBResourceManager *instance;
  ePtr<eFBCTunerManager> m_fbc_mng;
 
  friend class eDVBChannel;
  friend class eFBCTunerManager;
  friend class eRTSPStreamClient;
 
  RESULT addChannel(const eDVBChannelID &chid, eDVBChannel *ch);
  RESULT removeChannel(eDVBChannel *ch);
 
  sigc::signal1<void,eDVBChannel*> m_channelAdded;
 
  eUsePtr<iDVBChannel> m_cached_channel;
  sigc::connection m_cached_channel_state_changed_conn;
  ePtr<eTimer> m_releaseCachedChannelTimer;
  void DVBChannelStateChanged(iDVBChannel*);
  void feStateChanged();
#ifndef SWIG
public:
#endif
  void releaseCachedChannel();
  eDVBResourceManager();
  virtual ~eDVBResourceManager();
 
  RESULT setChannelList(iDVBChannelList *list);
  RESULT getChannelList(ePtr<iDVBChannelList> &list);
  RESULT getActiveChannels(std::list<active_channel> &list);
 
  enum {
      /* errNoFrontend = -1 replaced by more spcific messages */
    errNoDemux    = -2,
    errChidNotFound = -3,
    errNoChannelList = -4,
    errChannelNotInList = -5,
    errAllSourcesBusy = -6,
    errNoSourceFound = -7,
  };
 
  RESULT connectChannelAdded(const sigc::slot1<void,eDVBChannel*> &channelAdded, ePtr<eConnection> &connection);
  int canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID &ignore, int &system, bool simulate=false);
 
    /* allocate channel... */
  bool frontendPreferenceAllowsChannelUse(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> channel, bool simulate);
  RESULT allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel, bool simulate=false);
  RESULT allocatePVRChannel(const eDVBChannelID &channelid, eUsePtr<iDVBPVRChannel> &channel);
  static RESULT getInstance(ePtr<eDVBResourceManager> &);
 
      /* allocates a frontend able to tune to frontend paramters 'feperm'.
         the frontend must be tuned lateron. there is no guarante
         that tuning will succeed - it just means that if this frontend
         can't tune, no other frontend could do it.
 
         there might be a priority given to certain frontend/chid
         combinations. this will be evaluated here. */
  RESULT allocateFrontend(ePtr<eDVBAllocatedFrontend> &fe, ePtr<iDVBFrontendParameters> &feparm, bool simulate=false, bool returnScoreOnly=false);
 
  RESULT allocateFrontendByIndex(ePtr<eDVBAllocatedFrontend> &fe, int slot_index);
      /* allocate a demux able to filter on the selected frontend. */
  RESULT allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int &cap);
#ifdef SWIG
public:
#endif
  int canAllocateFrontend(ePtr<iDVBFrontendParameters> &feparm, bool simulate=false);
  bool canMeasureFrontendInputPower();
  PSignal1<void,int> frontendUseMaskChanged;
  SWIG_VOID(RESULT) allocateRawChannel(eUsePtr<iDVBChannel> &SWIG_OUTPUT, int slot_index);
  PyObject *setFrontendSlotInformations(SWIG_PYOBJECT(ePyObject) list);
  bool frontendIsCompatible(int index, const char *type);
  bool frontendIsMultistream(int index);
  std::string getFrontendCapabilities(int index);
  void setFrontendType(int index, const char *type, bool append=false);
  int getFrontendType(int index);
};
SWIG_TEMPLATE_TYPEDEF(ePtr<eDVBResourceManager>, eDVBResourceManager);
SWIG_EXTEND(ePtr<eDVBResourceManager>,
  static ePtr<eDVBResourceManager> getInstance()
  {
    extern ePtr<eDVBResourceManager> NewResourceManagerPtr(void);
    return NewResourceManagerPtr();
  }
);
 
#ifndef SWIG
 
class eDVBChannelFilePush;
 
  /* iDVBPVRChannel includes iDVBChannel. don't panic. */
class eDVBChannel: public iDVBPVRChannel, public iFilePushScatterGather, public sigc::trackable
{
  DECLARE_REF(eDVBChannel);
  friend class eDVBResourceManager;
public:
  eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend);
  virtual ~eDVBChannel();
 
    /* only for managed channels - effectively tunes to the channelid. should not be used... */
    /* cannot be used for PVR channels. */
    /* RESULT == 0: succeeded */
    /* RESULT != 0: failed */
  RESULT setChannel(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &feparam);
  eDVBChannelID getChannelID() { return m_channel_id; }
#if defined(__sh__) //see filepush.h
  int getSkipMode() { return m_skipmode_m; }
#endif
 
  RESULT connectStateChange(const sigc::slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection);
  RESULT connectEvent(const sigc::slot2<void,iDVBChannel*,int> &eventChange, ePtr<eConnection> &connection);
 
  RESULT getState(int &state);
 
  RESULT setCIRouting(const eDVBCIRouting &routing);
  RESULT getDemux(ePtr<iDVBDemux> &demux, int cap);
  RESULT getFrontend(ePtr<iDVBFrontend> &frontend);
  RESULT getCurrentFrontendParameters(ePtr<iDVBFrontendParameters> &param);
 
    /* iDVBPVRChannel */
  RESULT playFile(const char *file);
  RESULT playSource(ePtr<iTsSource>& source, const char *priv=NULL);
  void stop();
 
  void setCueSheet(eCueSheet *cuesheet);
  void setOfflineDecodeMode(int parityswitchdelay);
 
  RESULT getLength(pts_t &len);
  RESULT getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode);
 
  int getUseCount() { return m_use_count; }
 
  RESULT requestTsidOnid();
  int reserveDemux();
  int getDvrId();
private:
  ePtr<eDVBAllocatedFrontend> m_frontend;
  ePtr<eDVBAllocatedDemux> m_demux, m_decoder_demux;
 
  ePtr<iDVBFrontendParameters> m_current_frontend_parameters;
  eDVBChannelID m_channel_id;
  sigc::signal1<void,iDVBChannel*> m_stateChanged;
  sigc::signal2<void,iDVBChannel*,int> m_event;
  int m_state;
  ePtr<iTsSource> m_source;
 
      /* for channel list */
  ePtr<eDVBResourceManager> m_mgr;
 
  void frontendStateChanged(iDVBFrontend*fe);
  ePtr<eConnection> m_conn_frontendStateChanged;
 
    /* for PVR playback */
  ePtr<eDVBChannelFilePush> m_pvr_thread;
  void pvrEvent(int event);
 
  int m_pvr_fd_dst;
  eSingleLock m_tstools_lock;
  eDVBTSTools m_tstools;
 
  ePtr<eCueSheet> m_cue;
 
  void cueSheetEvent(int event);
  ePtr<eConnection> m_conn_cueSheetEvent;
  int m_skipmode_m, m_skipmode_n, m_skipmode_frames, m_skipmode_frames_remainder;
 
  std::list<std::pair<off_t, off_t> > m_source_span;
  void getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size, int blocksize);
  void flushPVR(iDVBDemux *decoding_demux=0);
 
  eSingleLock m_cuesheet_lock;
 
  friend class eUsePtr<eDVBChannel>;
    /* use count */
  oRefCount m_use_count;
  void AddUse();
  void ReleaseUse();
 
    /* for tsid/onid read */
  ePtr<iDVBDemux> m_tsid_onid_demux;
  ePtr<eTable<ServiceDescriptionSection> > m_SDT;
  void SDTready(int err);
};
#endif // SWIG
 
#endif