make some methods public
[enigma2.git] / 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 <connection.h>
14
15 class eDVBChannel;
16
17         /* we do NOT handle resource conflicts here. instead, the allocateChannel
18            fails, and the application has to see why the channel is allocated
19            (and how to deallocate it). */
20 class iDVBAdapter;
21
22 class eDVBRegisteredFrontend: public iObject, public Object
23 {
24         DECLARE_REF(eDVBRegisteredFrontend);
25         eTimer *disable;
26         void closeFrontend()
27         {
28                 if (!m_inuse && m_frontend->closeFrontend()) // frontend busy
29                         disable->start(60000, true);  // retry close in 60secs
30         }
31 public:
32         Signal0<void> stateChanged;
33         eDVBRegisteredFrontend(eDVBFrontend *fe, iDVBAdapter *adap)
34                 :disable(new eTimer(eApp)), m_adapter(adap), m_frontend(fe), m_inuse(0)
35         {
36                 CONNECT(disable->timeout, eDVBRegisteredFrontend::closeFrontend);
37         }
38         ~eDVBRegisteredFrontend()
39         {
40                 delete disable;
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) = 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);
124         
125         static int exist(int nr);
126 private:
127         int m_nr;
128         eSmartPtrList<eDVBFrontend> m_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         eSmartPtrList<iDVBAdapter> m_adapter;
140         eSmartPtrList<eDVBRegisteredDemux> m_demux;
141         eSmartPtrList<eDVBRegisteredFrontend> m_frontend;
142         void addAdapter(iDVBAdapter *adapter);
143
144         struct active_channel
145         {
146                 eDVBChannelID m_channel_id;
147                         /* we don't hold a reference here. */
148                 eDVBChannel *m_channel;
149                 
150                 active_channel(const eDVBChannelID &chid, eDVBChannel *ch) : m_channel_id(chid), m_channel(ch) { }
151         };
152         
153         std::list<active_channel> m_active_channels;
154         
155         ePtr<iDVBChannelList> m_list;
156         ePtr<iDVBSatelliteEquipmentControl> m_sec;
157         static eDVBResourceManager *instance;
158         
159         friend class eDVBChannel;
160         RESULT addChannel(const eDVBChannelID &chid, eDVBChannel *ch);
161         RESULT removeChannel(eDVBChannel *ch);
162
163         Signal1<void,eDVBChannel*> m_channelAdded;
164
165         eUsePtr<iDVBChannel> m_cached_channel;
166         Connection m_cached_channel_state_changed_conn;
167         eTimer m_releaseCachedChannelTimer;
168         void DVBChannelStateChanged(iDVBChannel*);
169         void feStateChanged();
170 #ifndef SWIG
171 public:
172 #endif
173         void releaseCachedChannel();
174         eDVBResourceManager();
175         virtual ~eDVBResourceManager();
176
177         RESULT setChannelList(iDVBChannelList *list);
178         RESULT getChannelList(ePtr<iDVBChannelList> &list);
179         
180         enum {
181                         /* errNoFrontend = -1 replaced by more spcific messages */
182                 errNoDemux    = -2,
183                 errChidNotFound = -3,
184                 errNoChannelList = -4,
185                 errChannelNotInList = -5,
186                 errAllSourcesBusy = -6,
187                 errNoSourceFound = -7,
188         };
189         
190         RESULT connectChannelAdded(const Slot1<void,eDVBChannel*> &channelAdded, ePtr<eConnection> &connection);
191         int canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID &ignore);
192
193                 /* allocate channel... */
194         RESULT allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel);
195         RESULT allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel);
196         static RESULT getInstance(ePtr<eDVBResourceManager> &);
197
198                         /* allocates a frontend able to tune to frontend paramters 'feperm'.
199                            the frontend must be tuned lateron. there is no guarante
200                            that tuning will succeed - it just means that if this frontend
201                            can't tune, no other frontend could do it.
202
203                            there might be a priority given to certain frontend/chid
204                            combinations. this will be evaluated here. */
205         RESULT allocateFrontend(ePtr<eDVBAllocatedFrontend> &fe, ePtr<iDVBFrontendParameters> &feparm);
206
207         RESULT allocateFrontendByIndex(ePtr<eDVBAllocatedFrontend> &fe, int slot_index);
208                         /* allocate a demux able to filter on the selected frontend. */
209         RESULT allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int cap);
210 #ifdef SWIG
211 public:
212 #endif
213         int canAllocateFrontend(ePtr<iDVBFrontendParameters> &feparm);
214         bool canMeasureFrontendInputPower();
215         PSignal1<void,int> frontendUseMaskChanged;
216         SWIG_VOID(RESULT) allocateRawChannel(eUsePtr<iDVBChannel> &SWIG_OUTPUT, int slot_index);
217         PyObject *setFrontendSlotInformations(SWIG_PYOBJECT(ePyObject) list);
218 };
219 SWIG_TEMPLATE_TYPEDEF(ePtr<eDVBResourceManager>, eDVBResourceManager);
220 SWIG_EXTEND(ePtr<eDVBResourceManager>,
221         static ePtr<eDVBResourceManager> getInstance()
222         {
223                 extern ePtr<eDVBResourceManager> NewResourceManagerPtr(void);
224                 return NewResourceManagerPtr();
225         }
226 );
227
228 #ifndef SWIG
229
230 class eDVBChannelFilePush;
231
232         /* iDVBPVRChannel includes iDVBChannel. don't panic. */
233 class eDVBChannel: public iDVBPVRChannel, public iFilePushScatterGather, public Object
234 {
235         DECLARE_REF(eDVBChannel);
236         friend class eDVBResourceManager;
237 public:
238         eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend);
239         virtual ~eDVBChannel();
240
241                 /* only for managed channels - effectively tunes to the channelid. should not be used... */
242                 /* cannot be used for PVR channels. */
243         RESULT setChannel(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &feparam);
244         eDVBChannelID getChannelID() { return m_channel_id; }
245
246         RESULT connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection);
247         RESULT connectEvent(const Slot2<void,iDVBChannel*,int> &eventChange, ePtr<eConnection> &connection);
248         
249         RESULT getState(int &state);
250
251         RESULT setCIRouting(const eDVBCIRouting &routing);
252         RESULT getDemux(ePtr<iDVBDemux> &demux, int cap);
253         RESULT getFrontend(ePtr<iDVBFrontend> &frontend);
254         RESULT getCurrentFrontendParameters(ePtr<iDVBFrontendParameters> &param);
255
256                 /* iDVBPVRChannel */
257         RESULT playFile(const char *file);
258         void stopFile();
259         
260         void setCueSheet(eCueSheet *cuesheet);
261         
262         RESULT getLength(pts_t &len);
263         RESULT getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode);
264
265         int getUseCount() { return m_use_count; }
266 private:
267         ePtr<eDVBAllocatedFrontend> m_frontend;
268         ePtr<eDVBAllocatedDemux> m_demux, m_decoder_demux;
269         
270         ePtr<iDVBFrontendParameters> m_current_frontend_parameters;
271         eDVBChannelID m_channel_id;
272         Signal1<void,iDVBChannel*> m_stateChanged;
273         Signal2<void,iDVBChannel*,int> m_event;
274         int m_state;
275
276                         /* for channel list */
277         ePtr<eDVBResourceManager> m_mgr;
278         
279         void frontendStateChanged(iDVBFrontend*fe);
280         ePtr<eConnection> m_conn_frontendStateChanged;
281         
282                 /* for PVR playback */
283         eDVBChannelFilePush *m_pvr_thread;
284         void pvrEvent(int event);
285         
286         int m_pvr_fd_dst;
287         eDVBTSTools m_tstools;
288         
289         ePtr<eCueSheet> m_cue;
290         
291         void cueSheetEvent(int event);
292         ePtr<eConnection> m_conn_cueSheetEvent;
293         int m_skipmode_m, m_skipmode_n;
294         
295         std::list<std::pair<off_t, off_t> > m_source_span;
296         void getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size);
297         void flushPVR(iDVBDemux *decoding_demux=0);
298         
299         eSingleLock m_cuesheet_lock;
300
301         friend class eUsePtr<eDVBChannel>;
302                 /* use count */
303         oRefCount m_use_count;
304         void AddUse();
305         void ReleaseUse();
306 };
307 #endif // SWIG
308
309 #endif