Support fast channel change.
[vuplus_dvbapp] / lib / service / servicedvb.h
1 #ifndef __servicedvb_h
2 #define __servicedvb_h
3
4 #include <lib/service/iservice.h>
5 #include <lib/dvb/idvb.h>
6
7 #include <lib/dvb/pmt.h>
8 #include <lib/dvb/eit.h>
9 #include <lib/dvb/subtitle.h>
10 #include <lib/dvb/teletext.h>
11 #include <lib/dvb/radiotext.h>
12 #include <lib/base/filepush.h>
13
14 class eStaticServiceDVBInformation;
15 class eStaticServiceDVBBouquetInformation;
16
17 class eServiceFactoryDVB: public iServiceHandler
18 {
19         DECLARE_REF(eServiceFactoryDVB);
20         ePtr<eStaticServiceDVBInformation> m_StaticServiceDVBInfo;
21         ePtr<eStaticServiceDVBBouquetInformation> m_StaticServiceDVBBouquetInfo;
22 public:
23         eServiceFactoryDVB();
24         virtual ~eServiceFactoryDVB();
25         enum { id = 0x1 };
26
27                 // iServiceHandler
28         RESULT play(const eServiceReference &, ePtr<iPlayableService> &ptr);
29         RESULT record(const eServiceReference &, ePtr<iRecordableService> &ptr);
30         RESULT list(const eServiceReference &, ePtr<iListableService> &ptr);
31         RESULT info(const eServiceReference &, ePtr<iStaticServiceInformation> &ptr);
32         RESULT offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr);
33 private:
34         RESULT lookupService(ePtr<eDVBService> &ptr, const eServiceReference &ref);
35 };
36
37 class eBouquet;
38
39 class eDVBServiceList: public iListableService, public iMutableServiceList
40 {
41         DECLARE_REF(eDVBServiceList);
42 public:
43         virtual ~eDVBServiceList();
44         PyObject *getContent(const char* formatstr, bool sorted=false);
45         RESULT getContent(std::list<eServiceReference> &list, bool sorted=false);
46         RESULT getNext(eServiceReference &ptr);
47         inline int compareLessEqual(const eServiceReference &a, const eServiceReference &b);
48         
49         RESULT startEdit(ePtr<iMutableServiceList> &);
50         RESULT flushChanges();
51         RESULT addService(eServiceReference &ref, eServiceReference before);
52         RESULT removeService(eServiceReference &ref);
53         RESULT moveService(eServiceReference &ref, int pos);
54         RESULT setListName(const std::string &name);
55 private:
56         RESULT startQuery();
57         eServiceReference m_parent;
58         friend class eServiceFactoryDVB;
59         eDVBServiceList(const eServiceReference &parent);
60         ePtr<iDVBChannelListQuery> m_query;
61         
62                 /* for editing purposes. WARNING: lifetime issue! */
63         eBouquet *m_bouquet;
64 };
65
66 inline int eDVBServiceList::compareLessEqual(const eServiceReference &a, const eServiceReference &b)
67 {
68         return m_query->compareLessEqual((const eServiceReferenceDVB&)a, (const eServiceReferenceDVB&)b);
69 }
70
71 class eDVBServiceBase: public iFrontendInformation
72 {
73 protected:
74         eDVBServicePMTHandler m_service_handler;
75 public:
76                 // iFrontendInformation
77         int getFrontendInfo(int w);
78         PyObject *getFrontendData();
79         PyObject *getFrontendStatus();
80         PyObject *getTransponderData(bool);
81         PyObject *getAll(bool original); // a sum of getFrontendData/Status/TransponderData
82 };
83
84 class eSubtitleWidget;
85
86 class eDVBServicePlay: public eDVBServiceBase,
87                 public iPlayableService, public iPauseableService, 
88                 public iSeekableService, public Object, public iServiceInformation, 
89                 public iAudioTrackSelection, public iAudioChannelSelection,
90                 public iSubserviceList, public iTimeshiftService,
91                 public iCueSheet, public iSubtitleOutput, public iAudioDelay,
92                 public iRdsDecoder, public iStreamableService
93 {
94         DECLARE_REF(eDVBServicePlay);
95 public:
96         virtual ~eDVBServicePlay();
97
98                 // iPlayableService
99         RESULT connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection);
100         RESULT start();
101         RESULT stop();
102         RESULT setTarget(int target);
103         
104         RESULT seek(ePtr<iSeekableService> &ptr);
105         RESULT pause(ePtr<iPauseableService> &ptr);
106         RESULT info(ePtr<iServiceInformation> &ptr);
107         RESULT audioChannel(ePtr<iAudioChannelSelection> &ptr);
108         RESULT audioTracks(ePtr<iAudioTrackSelection> &ptr);
109         RESULT frontendInfo(ePtr<iFrontendInformation> &ptr);
110         RESULT subServices(ePtr<iSubserviceList> &ptr);
111         RESULT timeshift(ePtr<iTimeshiftService> &ptr);
112         RESULT cueSheet(ePtr<iCueSheet> &ptr);
113         RESULT subtitle(ePtr<iSubtitleOutput> &ptr);
114         RESULT audioDelay(ePtr<iAudioDelay> &ptr);
115         RESULT rdsDecoder(ePtr<iRdsDecoder> &ptr);
116         RESULT keys(ePtr<iServiceKeys> &ptr) { ptr = 0; return -1; }
117         RESULT streamed(ePtr<iStreamedService> &ptr) { ptr = 0; return -1; }
118
119                 // iPauseableService
120         RESULT pause();
121         RESULT unpause();
122         RESULT setSlowMotion(int ratio);
123         RESULT setFastForward(int ratio);
124
125                 // iSeekableService
126         RESULT getLength(pts_t &len);
127         RESULT seekTo(pts_t to);
128         RESULT seekRelative(int direction, pts_t to);
129         RESULT getPlayPosition(pts_t &pos);
130         RESULT setTrickmode(int trick=0);
131         RESULT isCurrentlySeekable();
132
133                 // iServiceInformation
134         RESULT getName(std::string &name);
135         RESULT getEvent(ePtr<eServiceEvent> &evt, int nownext);
136         int getInfo(int w);
137         std::string getInfoString(int w);
138         PyObject *getInfoObject(int w);
139
140                 // iAudioTrackSelection 
141         int getNumberOfTracks();
142         RESULT selectTrack(unsigned int i);
143         RESULT getTrackInfo(struct iAudioTrackInfo &, unsigned int n);
144         int getCurrentTrack();
145
146                 // iAudioChannelSelection       
147         int getCurrentChannel();
148         RESULT selectChannel(int i);
149
150                 // iRdsDecoder
151         std::string getText(int i=0);
152         void showRassSlidePicture();
153         void showRassInteractivePic(int page, int subpage);
154         ePyObject getRassInteractiveMask();
155
156                 // iSubserviceList
157         int getNumberOfSubservices();
158         RESULT getSubservice(eServiceReference &subservice, unsigned int n);
159
160                 // iTimeshiftService
161         RESULT startTimeshift();
162         RESULT stopTimeshift(bool swToLive=true);
163         int isTimeshiftActive();
164         RESULT activateTimeshift();
165         RESULT setNextPlaybackFile(const char *fn);
166
167                 // iCueSheet
168         PyObject *getCutList();
169         void setCutList(SWIG_PYOBJECT(ePyObject));
170         void setCutListEnable(int enable);
171         
172                 // iSubtitleOutput
173         RESULT enableSubtitles(eWidget *parent, SWIG_PYOBJECT(ePyObject) entry);
174         RESULT disableSubtitles(eWidget *parent);
175         PyObject *getSubtitleList();
176         PyObject *getCachedSubtitle();
177
178                 // iAudioDelay
179         int getAC3Delay();
180         int getPCMDelay();
181         void setAC3Delay(int);
182         void setPCMDelay(int);
183         
184                 // iStreamableService
185         RESULT stream(ePtr<iStreamableService> &ptr);
186         PyObject *getStreamingData();
187
188 protected:
189         friend class eServiceFactoryDVB;
190         eServiceReference m_reference;
191         
192         ePtr<eDVBService> m_dvb_service;
193         
194         ePtr<iTSMPEGDecoder> m_decoder;
195         int m_is_primary;
196         int m_have_video_pid;
197         int m_tune_state;
198         
199                 /* in timeshift mode, we essentially have two channels, and thus pmt handlers. */
200         eDVBServicePMTHandler m_service_handler_timeshift;
201         eDVBServiceEITHandler m_event_handler;
202         int m_current_audio_pid;
203         int m_current_video_pid_type;
204         
205         eDVBServicePlay(const eServiceReference &ref, eDVBService *service, bool connect_event=true);
206         
207                 /* events */
208         void gotNewEvent();
209         
210         void serviceEvent(int event);
211         void serviceEventTimeshift(int event);
212         Signal2<void,iPlayableService*,int> m_event;
213
214         int m_is_stream;
215         
216                 /* pvr */
217         int m_is_pvr, m_is_paused, m_timeshift_enabled, m_timeshift_active, m_timeshift_changed;
218         int m_first_program_info;
219         
220         std::string m_timeshift_file, m_timeshift_file_next;
221         int m_timeshift_fd;
222         ePtr<iDVBDemux> m_decode_demux;
223
224         int m_current_audio_stream;
225         int selectAudioStream(int n = -1);
226         RESULT setFastForward_internal(int ratio, bool final_seek=false);
227         
228                 /* timeshift */
229         ePtr<iDVBTSRecorder> m_record;
230         std::set<int> m_pids_active;
231
232         void updateTimeshiftPids();
233         virtual void switchToLive();
234
235         void resetTimeshift(int start);
236         void switchToTimeshift();
237
238         void updateDecoder(bool sendSeekableStateChanged=false);
239         
240         int m_skipmode;
241         int m_fastforward;
242         int m_slowmotion;
243         
244                 /* cuesheet */
245         
246         ePtr<eCueSheet> m_cue;
247         
248         struct cueEntry
249         {
250                 pts_t where;
251                 unsigned int what;
252                 
253                 bool operator < (const struct cueEntry &o) const
254                 {
255                         return where < o.where;
256                 }
257                 cueEntry(const pts_t &where, unsigned int what) :
258                         where(where), what(what)
259                 {
260                 }
261         };
262         
263         std::multiset<cueEntry> m_cue_entries;
264         int m_cuesheet_changed, m_cutlist_enabled;
265         
266         void loadCuesheet();
267         void saveCuesheet();
268         
269         void cutlistToCuesheet();
270         
271         eSubtitleWidget *m_subtitle_widget;
272         
273                 /* teletext subtitles */
274         ePtr<eDVBTeletextParser> m_teletext_parser;
275         void newSubtitlePage(const eDVBTeletextSubtitlePage &p);
276         ePtr<eConnection> m_new_subtitle_page_connection;
277         std::list<eDVBTeletextSubtitlePage> m_subtitle_pages;
278         
279                 /* dvb subtitles */
280         ePtr<eDVBSubtitleParser> m_subtitle_parser;
281         void newDVBSubtitlePage(const eDVBSubtitlePage &p);
282         ePtr<eConnection> m_new_dvb_subtitle_page_connection;
283         std::list<eDVBSubtitlePage> m_dvb_subtitle_pages;
284
285         ePtr<eTimer> m_subtitle_sync_timer;
286         void checkSubtitleTiming();
287
288                 /* radiotext */
289         ePtr<eDVBRdsDecoder> m_rds_decoder;
290         ePtr<eConnection> m_rds_decoder_event_connection;
291         void rdsDecoderEvent(int);
292
293         ePtr<eConnection> m_video_event_connection;
294         void video_event(struct iTSMPEGDecoder::videoEvent);
295
296         virtual ePtr<iTsSource> createTsSource(eServiceReferenceDVB &ref);
297 };
298
299 class eStaticServiceDVBBouquetInformation: public iStaticServiceInformation
300 {
301         DECLARE_REF(eStaticServiceDVBBouquetInformation);
302         eServiceReference m_playable_service;
303 public:
304         eServiceReference &getPlayableService() { return m_playable_service; }
305         RESULT getName(const eServiceReference &ref, std::string &name);
306         int getLength(const eServiceReference &ref);
307         int isPlayable(const eServiceReference &ref, const eServiceReference &ignore, bool simulate=false);
308         RESULT getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time);
309 };
310
311 #endif