code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/dvb.h

   1 #ifndef __dvb_dvb_h
   2 #define __dvb_dvb_h
   3
   4 #ifndef SWIG
   5
   6 #include <lib/base/ebase.h>
   7 #include <lib/base/filepush.h>
   8 #include <lib/base/elock.h>
   9 #include <lib/dvb/idvb.h>
  10 #include <lib/dvb/demux.h>
  11 #include <lib/dvb/frontend.h>
  12 #include <lib/dvb/tstools.h>
  13 #include <lib/dvb/esection.h>
  14 #include <connection.h>
  15 #include <lib/dvb/fbc.h>
  16
  17 #include <dvbsi++/service_description_section.h>
  18
  19 class eDVBChannel;
  20
  21         /* we do NOT handle resource conflicts here. instead, the allocateChannel
  22            fails, and the application has to see why the channel is allocated
  23            (and how to deallocate it). */
  24 class iDVBAdapter;
  25
  26 class eDVBRegisteredFrontend: public iObject, public Object
  27 {
  28         DECLARE_REF(eDVBRegisteredFrontend);
  29         ePtr<eTimer> disable;
  30         void closeFrontend()
  31         {
  32                 if (!m_inuse && m_frontend->closeFrontend()) // frontend busy
  33                         disable->start(60000, true);  // retry close in 60secs
  34         }
  35 public:
  36         Signal0<void> stateChanged;
  37         eDVBRegisteredFrontend(eDVBFrontend *fe, iDVBAdapter *adap)
  38                 :disable(eTimer::create(eApp)), m_adapter(adap), m_frontend(fe), m_inuse(0)
  39         {
  40                 CONNECT(disable->timeout, eDVBRegisteredFrontend::closeFrontend);
  41         }
  42         void dec_use()
  43         {
  44                 if (!--m_inuse)
  45                 {
  46                         /* emit */ stateChanged();
  47                         disable->start(3000, true);
  48                 }
  49         }
  50         void inc_use()
  51         {
  52                 if (++m_inuse == 1)
  53                 {
  54                         m_frontend->openFrontend();
  55                         /* emit */ stateChanged();
  56                 }
  57         }
  58         iDVBAdapter *m_adapter;
  59         ePtr<eDVBFrontend> m_frontend;
  60         int m_inuse;
  61 };
  62
  63 struct eDVBRegisteredDemux
  64 {
  65         DECLARE_REF(eDVBRegisteredDemux);
  66 public:
  67         iDVBAdapter *m_adapter;
  68         ePtr<eDVBDemux> m_demux;
  69         int m_inuse;
  70         eDVBRegisteredDemux(eDVBDemux *demux, iDVBAdapter *adap): m_adapter(adap), m_demux(demux), m_inuse(0) { }
  71 };
  72
  73 class eDVBAllocatedFrontend
  74 {
  75         DECLARE_REF(eDVBAllocatedFrontend);
  76 public:
  77
  78         eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe);
  79         ~eDVBAllocatedFrontend();
  80         eDVBFrontend &get() { return *m_fe->m_frontend; }
  81         operator eDVBRegisteredFrontend*() { return m_fe; }
  82         operator eDVBFrontend*() { return m_fe->m_frontend; }
  83
  84 private:
  85         eDVBRegisteredFrontend *m_fe;
  86 };
  87
  88 class eDVBAllocatedDemux
  89 {
  90         DECLARE_REF(eDVBAllocatedDemux);
  91 public:
  92
  93         eDVBAllocatedDemux(eDVBRegisteredDemux *demux);
  94         ~eDVBAllocatedDemux();
  95         eDVBDemux &get() { return *m_demux->m_demux; }
  96         operator eDVBRegisteredDemux*() { return m_demux; }
  97         operator eDVBDemux*() { return m_demux->m_demux; }
  98
  99 private:
 100         eDVBRegisteredDemux *m_demux;
 101 };
 102
 103 class iDVBAdapter: public iObject
 104 {
 105 public:
 106         virtual int getNumDemux() = 0;
 107         virtual RESULT getDemux(ePtr<eDVBDemux> &demux, int nr) = 0;
 108
 109         virtual int getNumFrontends() = 0;
 110         virtual RESULT getFrontend(ePtr<eDVBFrontend> &fe, int nr, bool simulate=false) = 0;
 111 };
 112
 113 class eDVBAdapterLinux: public iDVBAdapter
 114 {
 115         DECLARE_REF(eDVBAdapterLinux);
 116 public:
 117         eDVBAdapterLinux(int nr);
 118
 119         int getNumDemux();
 120         RESULT getDemux(ePtr<eDVBDemux> &demux, int nr);
 121
 122         int getNumFrontends();
 123         RESULT getFrontend(ePtr<eDVBFrontend> &fe, int nr, bool simulate=false);
 124
 125         static int exist(int nr);
 126 private:
 127         int m_nr;
 128         eSmartPtrList<eDVBFrontend> m_frontend, m_simulate_frontend;
 129         eSmartPtrList<eDVBDemux>    m_demux;
 130 };
 131 #endif // SWIG
 132
 133 SWIG_IGNORE(eDVBResourceManager);
 134 class eDVBResourceManager: public iObject, public Object
 135 {
 136         DECLARE_REF(eDVBResourceManager);
 137         int avail, busy;
 138
 139         enum { DM7025, DM800, DM500HD, DM800SE, DM8000, DM7020HD };
 140
 141         int m_boxtype;
 142
 143         eSmartPtrList<iDVBAdapter> m_adapter;
 144         eSmartPtrList<eDVBRegisteredDemux> m_demux;
 145         eSmartPtrList<eDVBRegisteredFrontend> m_frontend, m_simulate_frontend;
 146         void addAdapter(iDVBAdapter *adapter);
 147
 148         struct active_channel
 149         {
 150                 eDVBChannelID m_channel_id;
 151                         /* we don't hold a reference here. */
 152                 eDVBChannel *m_channel;
 153
 154                 active_channel(const eDVBChannelID &chid, eDVBChannel *ch) : m_channel_id(chid), m_channel(ch) { }
 155         };
 156
 157         std::list<active_channel> m_active_channels, m_active_simulate_channels;
 158
 159         ePtr<iDVBChannelList> m_list;
 160         ePtr<iDVBSatelliteEquipmentControl> m_sec;
 161         static eDVBResourceManager *instance;
 162
 163         friend class eDVBChannel;
 164         friend class eFBCTunerManager;
 165         RESULT addChannel(const eDVBChannelID &chid, eDVBChannel *ch);
 166         RESULT removeChannel(eDVBChannel *ch);
 167
 168         Signal1<void,eDVBChannel*> m_channelAdded;
 169
 170         eUsePtr<iDVBChannel> m_cached_channel;
 171         Connection m_cached_channel_state_changed_conn;
 172         ePtr<eTimer> m_releaseCachedChannelTimer;
 173         void DVBChannelStateChanged(iDVBChannel*);
 174         void feStateChanged();
 175 #ifndef SWIG
 176 public:
 177 #endif
 178         void releaseCachedChannel();
 179         eDVBResourceManager();
 180         virtual ~eDVBResourceManager();
 181
 182         RESULT setChannelList(iDVBChannelList *list);
 183         RESULT getChannelList(ePtr<iDVBChannelList> &list);
 184
 185         enum {
 186                         /* errNoFrontend = -1 replaced by more spcific messages */
 187                 errNoDemux    = -2,
 188                 errChidNotFound = -3,
 189                 errNoChannelList = -4,
 190                 errChannelNotInList = -5,
 191                 errAllSourcesBusy = -6,
 192                 errNoSourceFound = -7,
 193         };
 194
 195         RESULT connectChannelAdded(const Slot1<void,eDVBChannel*> &channelAdded, ePtr<eConnection> &connection);
 196         int canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID &ignore, int &system, bool simulate=false);
 197
 198                 /* allocate channel... */
 199         RESULT allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel, bool simulate=false);
 200         RESULT allocatePVRChannel(const eDVBChannelID &channelid, eUsePtr<iDVBPVRChannel> &channel);
 201         static RESULT getInstance(ePtr<eDVBResourceManager> &);
 202
 203                         /* allocates a frontend able to tune to frontend paramters 'feperm'.
 204                            the frontend must be tuned lateron. there is no guarante
 205                            that tuning will succeed - it just means that if this frontend
 206                            can't tune, no other frontend could do it.
 207
 208                            there might be a priority given to certain frontend/chid
 209                            combinations. this will be evaluated here. */
 210         RESULT allocateFrontend(ePtr<eDVBAllocatedFrontend> &fe, ePtr<iDVBFrontendParameters> &feparm, bool simulate=false);
 211
 212         RESULT allocateFrontendByIndex(ePtr<eDVBAllocatedFrontend> &fe, int slot_index);
 213                         /* allocate a demux able to filter on the selected frontend. */
 214         RESULT allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int &cap);
 215 #ifdef SWIG
 216 public:
 217 #endif
 218         int canAllocateFrontend(ePtr<iDVBFrontendParameters> &feparm, bool simulate=false);
 219         bool canMeasureFrontendInputPower();
 220         PSignal1<void,int> frontendUseMaskChanged;
 221         SWIG_VOID(RESULT) allocateRawChannel(eUsePtr<iDVBChannel> &SWIG_OUTPUT, int slot_index);
 222         PyObject *setFrontendSlotInformations(SWIG_PYOBJECT(ePyObject) list);
 223         bool frontendIsCompatible(int index, const char *type);
 224         void setFrontendType(int index, const char *type);
 225 };
 226 SWIG_TEMPLATE_TYPEDEF(ePtr<eDVBResourceManager>, eDVBResourceManager);
 227 SWIG_EXTEND(ePtr<eDVBResourceManager>,
 228         static ePtr<eDVBResourceManager> getInstance()
 229         {
 230                 extern ePtr<eDVBResourceManager> NewResourceManagerPtr(void);
 231                 return NewResourceManagerPtr();
 232         }
 233 );
 234
 235 #ifndef SWIG
 236
 237 class eDVBChannelFilePush;
 238
 239         /* iDVBPVRChannel includes iDVBChannel. don't panic. */
 240 class eDVBChannel: public iDVBPVRChannel, public iFilePushScatterGather, public Object
 241 {
 242         DECLARE_REF(eDVBChannel);
 243         friend class eDVBResourceManager;
 244 public:
 245         eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend);
 246         virtual ~eDVBChannel();
 247
 248                 /* only for managed channels - effectively tunes to the channelid. should not be used... */
 249                 /* cannot be used for PVR channels. */
 250         RESULT setChannel(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &feparam);
 251         eDVBChannelID getChannelID() { return m_channel_id; }
 252
 253         RESULT connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection);
 254         RESULT connectEvent(const Slot2<void,iDVBChannel*,int> &eventChange, ePtr<eConnection> &connection);
 255
 256         RESULT getState(int &state);
 257
 258         RESULT setCIRouting(const eDVBCIRouting &routing);
 259         RESULT getDemux(ePtr<iDVBDemux> &demux, int cap);
 260         RESULT getFrontend(ePtr<iDVBFrontend> &frontend);
 261         RESULT getCurrentFrontendParameters(ePtr<iDVBFrontendParameters> &param);
 262
 263                 /* iDVBPVRChannel */
 264         RESULT playFile(const char *file);
 265         void stopFile();
 266
 267         RESULT playSource(ePtr<iTsSource>& source, const char *priv=NULL);
 268         void stopSource();
 269
 270         void setCueSheet(eCueSheet *cuesheet);
 271
 272         RESULT getLength(pts_t &len);
 273         RESULT getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode);
 274
 275         int getUseCount() { return m_use_count; }
 276
 277         RESULT requestTsidOnid(ePyObject callback);
 278         int reserveDemux();
 279 private:
 280         ePtr<eDVBAllocatedFrontend> m_frontend;
 281         ePtr<eDVBAllocatedDemux> m_demux, m_decoder_demux;
 282
 283         ePtr<iDVBFrontendParameters> m_current_frontend_parameters;
 284         eDVBChannelID m_channel_id;
 285         Signal1<void,iDVBChannel*> m_stateChanged;
 286         Signal2<void,iDVBChannel*,int> m_event;
 287         int m_state;
 288
 289                         /* for channel list */
 290         ePtr<eDVBResourceManager> m_mgr;
 291
 292         void frontendStateChanged(iDVBFrontend*fe);
 293         ePtr<eConnection> m_conn_frontendStateChanged;
 294
 295                 /* for PVR playback */
 296         eDVBChannelFilePush *m_pvr_thread;
 297         void pvrEvent(int event);
 298
 299         int m_pvr_fd_dst;
 300         eDVBTSTools m_tstools;
 301
 302         ePtr<eCueSheet> m_cue;
 303
 304         void cueSheetEvent(int event);
 305         ePtr<eConnection> m_conn_cueSheetEvent;
 306         int m_skipmode_m, m_skipmode_n, m_skipmode_frames, m_skipmode_frames_remainder;
 307
 308         std::list<std::pair<off_t, off_t> > m_source_span;
 309         void getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size);
 310         void flushPVR(iDVBDemux *decoding_demux=0);
 311
 312         eSingleLock m_cuesheet_lock;
 313
 314         friend class eUsePtr<eDVBChannel>;
 315                 /* use count */
 316         oRefCount m_use_count;
 317         void AddUse();
 318         void ReleaseUse();
 319
 320                 /* for tsid/onid read */
 321         ePyObject m_tsid_onid_callback;
 322         ePtr<iDVBDemux> m_tsid_onid_demux;
 323         ePtr<eTable<ServiceDescriptionSection> > m_SDT;
 324         void SDTready(int err);
 325 };
 326 #endif // SWIG
 327
 328 #endif