ff9ea6ff44e64d501ce3d56ca23f09d8168468c7
[vuplus_dvbapp] / 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         ePtr<eFBCTunerManager> m_fbc_mng;
164  
165         friend class eDVBChannel;
166         friend class eFBCTunerManager;
167         RESULT addChannel(const eDVBChannelID &chid, eDVBChannel *ch);
168         RESULT removeChannel(eDVBChannel *ch);
169
170         Signal1<void,eDVBChannel*> m_channelAdded;
171
172         eUsePtr<iDVBChannel> m_cached_channel;
173         Connection m_cached_channel_state_changed_conn;
174         ePtr<eTimer> m_releaseCachedChannelTimer;
175         void DVBChannelStateChanged(iDVBChannel*);
176         void feStateChanged();
177 #ifndef SWIG
178 public:
179 #endif
180         void releaseCachedChannel();
181         eDVBResourceManager();
182         virtual ~eDVBResourceManager();
183
184         RESULT setChannelList(iDVBChannelList *list);
185         RESULT getChannelList(ePtr<iDVBChannelList> &list);
186         
187         enum {
188                         /* errNoFrontend = -1 replaced by more spcific messages */
189                 errNoDemux    = -2,
190                 errChidNotFound = -3,
191                 errNoChannelList = -4,
192                 errChannelNotInList = -5,
193                 errAllSourcesBusy = -6,
194                 errNoSourceFound = -7,
195         };
196         
197         RESULT connectChannelAdded(const Slot1<void,eDVBChannel*> &channelAdded, ePtr<eConnection> &connection);
198         int canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID &ignore, int &system, bool simulate=false);
199
200                 /* allocate channel... */
201         RESULT allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel, bool simulate=false);
202         RESULT allocatePVRChannel(const eDVBChannelID &channelid, eUsePtr<iDVBPVRChannel> &channel);
203         static RESULT getInstance(ePtr<eDVBResourceManager> &);
204
205                         /* allocates a frontend able to tune to frontend paramters 'feperm'.
206                            the frontend must be tuned lateron. there is no guarante
207                            that tuning will succeed - it just means that if this frontend
208                            can't tune, no other frontend could do it.
209
210                            there might be a priority given to certain frontend/chid
211                            combinations. this will be evaluated here. */
212         RESULT allocateFrontend(ePtr<eDVBAllocatedFrontend> &fe, ePtr<iDVBFrontendParameters> &feparm, bool simulate=false);
213
214         RESULT allocateFrontendByIndex(ePtr<eDVBAllocatedFrontend> &fe, int slot_index);
215                         /* allocate a demux able to filter on the selected frontend. */
216         RESULT allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int &cap);
217 #ifdef SWIG
218 public:
219 #endif
220         int canAllocateFrontend(ePtr<iDVBFrontendParameters> &feparm, bool simulate=false);
221         bool canMeasureFrontendInputPower();
222         PSignal1<void,int> frontendUseMaskChanged;
223         SWIG_VOID(RESULT) allocateRawChannel(eUsePtr<iDVBChannel> &SWIG_OUTPUT, int slot_index);
224         PyObject *setFrontendSlotInformations(SWIG_PYOBJECT(ePyObject) list);
225         bool frontendIsCompatible(int index, const char *type);
226         void setFrontendType(int index, const char *type);
227 };
228 SWIG_TEMPLATE_TYPEDEF(ePtr<eDVBResourceManager>, eDVBResourceManager);
229 SWIG_EXTEND(ePtr<eDVBResourceManager>,
230         static ePtr<eDVBResourceManager> getInstance()
231         {
232                 extern ePtr<eDVBResourceManager> NewResourceManagerPtr(void);
233                 return NewResourceManagerPtr();
234         }
235 );
236
237 #ifndef SWIG
238
239 class eDVBChannelFilePush;
240
241         /* iDVBPVRChannel includes iDVBChannel. don't panic. */
242 class eDVBChannel: public iDVBPVRChannel, public iFilePushScatterGather, public Object
243 {
244         DECLARE_REF(eDVBChannel);
245         friend class eDVBResourceManager;
246 public:
247         eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend);
248         virtual ~eDVBChannel();
249
250                 /* only for managed channels - effectively tunes to the channelid. should not be used... */
251                 /* cannot be used for PVR channels. */
252         RESULT setChannel(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &feparam);
253         eDVBChannelID getChannelID() { return m_channel_id; }
254
255         RESULT connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection);
256         RESULT connectEvent(const Slot2<void,iDVBChannel*,int> &eventChange, ePtr<eConnection> &connection);
257         
258         RESULT getState(int &state);
259
260         RESULT setCIRouting(const eDVBCIRouting &routing);
261         RESULT getDemux(ePtr<iDVBDemux> &demux, int cap);
262         RESULT getFrontend(ePtr<iDVBFrontend> &frontend);
263         RESULT getCurrentFrontendParameters(ePtr<iDVBFrontendParameters> &param);
264
265                 /* iDVBPVRChannel */
266         RESULT playFile(const char *file);
267         void stopFile();
268
269         RESULT playSource(ePtr<iTsSource>& source, const char *priv=NULL);
270         void stopSource();
271
272         void setCueSheet(eCueSheet *cuesheet);
273         
274         RESULT getLength(pts_t &len);
275         RESULT getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode);
276
277         int getUseCount() { return m_use_count; }
278
279         RESULT requestTsidOnid(ePyObject callback);
280         int reserveDemux();
281 private:
282         ePtr<eDVBAllocatedFrontend> m_frontend;
283         ePtr<eDVBAllocatedDemux> m_demux, m_decoder_demux;
284         
285         ePtr<iDVBFrontendParameters> m_current_frontend_parameters;
286         eDVBChannelID m_channel_id;
287         Signal1<void,iDVBChannel*> m_stateChanged;
288         Signal2<void,iDVBChannel*,int> m_event;
289         int m_state;
290         ePtr<iTsSource> m_source;
291
292                         /* for channel list */
293         ePtr<eDVBResourceManager> m_mgr;
294         
295         void frontendStateChanged(iDVBFrontend*fe);
296         ePtr<eConnection> m_conn_frontendStateChanged;
297         
298                 /* for PVR playback */
299         eDVBChannelFilePush *m_pvr_thread;
300         void pvrEvent(int event);
301         
302         int m_pvr_fd_dst;
303         eDVBTSTools m_tstools;
304         
305         ePtr<eCueSheet> m_cue;
306         
307         void cueSheetEvent(int event);
308         ePtr<eConnection> m_conn_cueSheetEvent;
309         int m_skipmode_m, m_skipmode_n, m_skipmode_frames, m_skipmode_frames_remainder;
310         
311         std::list<std::pair<off_t, off_t> > m_source_span;
312         void getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size);
313         void flushPVR(iDVBDemux *decoding_demux=0);
314
315         eSingleLock m_cuesheet_lock;
316
317         friend class eUsePtr<eDVBChannel>;
318                 /* use count */
319         oRefCount m_use_count;
320         void AddUse();
321         void ReleaseUse();
322
323                 /* for tsid/onid read */
324         ePyObject m_tsid_onid_callback;
325         ePtr<iDVBDemux> m_tsid_onid_demux;
326         ePtr<eTable<ServiceDescriptionSection> > m_SDT;
327         void SDTready(int err);
328 };
329 #endif // SWIG
330
331 #endif