1 #include <lib/base/eerror.h>
2 #include <lib/base/filepush.h>
3 #include <lib/dvb/idvb.h>
4 #include <lib/dvb/dvb.h>
5 #include <lib/dvb/sec.h>
12 #include <sys/ioctl.h>
14 DEFINE_REF(eDVBRegisteredFrontend);
15 DEFINE_REF(eDVBRegisteredDemux);
17 DEFINE_REF(eDVBAllocatedFrontend);
19 eDVBAllocatedFrontend::eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe): m_fe(fe)
24 eDVBAllocatedFrontend::~eDVBAllocatedFrontend()
29 DEFINE_REF(eDVBAllocatedDemux);
31 eDVBAllocatedDemux::eDVBAllocatedDemux(eDVBRegisteredDemux *demux): m_demux(demux)
36 eDVBAllocatedDemux::~eDVBAllocatedDemux()
41 DEFINE_REF(eDVBResourceManager);
43 eDVBResourceManager *eDVBResourceManager::instance;
45 eDVBResourceManager::eDVBResourceManager()
49 m_sec = new eDVBSatelliteEquipmentControl(m_frontend);
53 /* search available adapters... */
58 while (eDVBAdapterLinux::exist(num_adapter))
60 addAdapter(new eDVBAdapterLinux(num_adapter));
64 eDebug("found %d adapter, %d frontends and %d demux",
65 m_adapter.size(), m_frontend.size(), m_demux.size());
69 DEFINE_REF(eDVBAdapterLinux);
70 eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr)
75 eDebug("scanning for frontends..");
80 #if HAVE_DVB_API_VERSION < 3
81 sprintf(filename, "/dev/dvb/card%d/frontend%d", m_nr, num_fe);
83 sprintf(filename, "/dev/dvb/adapter%d/frontend%d", m_nr, num_fe);
85 if (stat(filename, &s))
87 ePtr<eDVBFrontend> fe;
90 fe = new eDVBFrontend(m_nr, num_fe, ok);
92 m_frontend.push_back(fe);
102 #if HAVE_DVB_API_VERSION < 3
103 sprintf(filename, "/dev/dvb/card%d/demux%d", m_nr, num_demux);
105 sprintf(filename, "/dev/dvb/adapter%d/demux%d", m_nr, num_demux);
107 if (stat(filename, &s))
109 ePtr<eDVBDemux> demux;
111 demux = new eDVBDemux(m_nr, num_demux);
112 m_demux.push_back(demux);
118 int eDVBAdapterLinux::getNumDemux()
120 return m_demux.size();
123 RESULT eDVBAdapterLinux::getDemux(ePtr<eDVBDemux> &demux, int nr)
125 eSmartPtrList<eDVBDemux>::iterator i(m_demux.begin());
126 while (nr && (i != m_demux.end()))
132 if (i != m_demux.end())
140 int eDVBAdapterLinux::getNumFrontends()
142 return m_frontend.size();
145 RESULT eDVBAdapterLinux::getFrontend(ePtr<eDVBFrontend> &fe, int nr)
147 eSmartPtrList<eDVBFrontend>::iterator i(m_frontend.begin());
148 while (nr && (i != m_frontend.end()))
154 if (i != m_frontend.end())
162 int eDVBAdapterLinux::exist(int nr)
166 #if HAVE_DVB_API_VERSION < 3
167 sprintf(filename, "/dev/dvb/card%d", nr);
169 sprintf(filename, "/dev/dvb/adapter%d", nr);
171 if (!stat(filename, &s))
176 eDVBResourceManager::~eDVBResourceManager()
178 if (instance == this)
182 void eDVBResourceManager::addAdapter(iDVBAdapter *adapter)
184 int num_fe = adapter->getNumFrontends();
185 int num_demux = adapter->getNumDemux();
187 m_adapter.push_back(adapter);
190 for (i=0; i<num_demux; ++i)
192 ePtr<eDVBDemux> demux;
193 if (!adapter->getDemux(demux, i))
194 m_demux.push_back(new eDVBRegisteredDemux(demux, adapter));
197 for (i=0; i<num_fe; ++i)
199 ePtr<eDVBFrontend> frontend;
201 if (!adapter->getFrontend(frontend, i))
203 frontend->setSEC(m_sec);
204 m_frontend.push_back(new eDVBRegisteredFrontend(frontend, adapter));
209 RESULT eDVBResourceManager::allocateFrontend(ePtr<eDVBAllocatedFrontend> &fe, ePtr<iDVBFrontendParameters> &feparm)
211 ePtr<eDVBRegisteredFrontend> best;
214 for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
217 int c = i->m_frontend->isCompatibleWith(feparm);
227 fe = new eDVBAllocatedFrontend(best);
236 RESULT eDVBResourceManager::allocateFrontendByIndex(ePtr<eDVBAllocatedFrontend> &fe, int nr)
238 for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i, --nr)
239 if ((!nr) && !i->m_inuse)
241 fe = new eDVBAllocatedFrontend(i);
249 RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux, int cap)
251 /* find first unused demux which is on same adapter as frontend (or any, if PVR)
252 never use the first one unless we need a decoding demux. */
254 eDebug("allocate demux");
255 eSmartPtrList<eDVBRegisteredDemux>::iterator i(m_demux.begin());
257 if (i == m_demux.end())
261 /* FIXME: hardware demux policy */
262 if (!(cap & iDVBChannel::capDecode))
265 for (; i != m_demux.end(); ++i, ++n)
266 if ((!i->m_inuse) && ((!fe) || (i->m_adapter == fe->m_adapter)))
268 if ((cap & iDVBChannel::capDecode) && n)
271 demux = new eDVBAllocatedDemux(i);
273 demux->get().setSourceFrontend(fe->m_frontend->getID());
275 demux->get().setSourcePVR(0);
278 eDebug("demux not found");
282 RESULT eDVBResourceManager::setChannelList(iDVBChannelList *list)
288 RESULT eDVBResourceManager::getChannelList(ePtr<iDVBChannelList> &list)
297 RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel)
299 /* first, check if a channel is already existing. */
301 if (m_cached_channel)
303 eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel);
304 if(channelid==cache_chan->getChannelID())
306 eDebug("use cached_channel");
307 channel = m_cached_channel;
313 // eDebug("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get());
314 for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i)
316 // eDebug("available channel.. %04x:%04x", i->m_channel_id.transport_stream_id.get(), i->m_channel_id.original_network_id.get());
317 if (i->m_channel_id == channelid)
319 // eDebug("found shared channel..");
320 channel = i->m_channel;
325 /* no currently available channel is tuned to this channelid. create a new one, if possible. */
329 eDebug("no channel list set!");
333 ePtr<iDVBFrontendParameters> feparm;
334 if (m_list->getChannelFrontendData(channelid, feparm))
336 eDebug("channel not found!");
340 /* allocate a frontend. */
342 ePtr<eDVBAllocatedFrontend> fe;
344 if (allocateFrontend(fe, feparm))
345 return errNoFrontend;
348 ePtr<eDVBChannel> ch;
349 ch = new eDVBChannel(this, fe);
351 res = ch->setChannel(channelid, feparm);
355 return errChidNotFound;
357 m_cached_channel = channel = ch;
362 RESULT eDVBResourceManager::allocateRawChannel(eUsePtr<iDVBChannel> &channel, int frontend_index)
364 ePtr<eDVBAllocatedFrontend> fe;
366 if (m_cached_channel)
369 if (allocateFrontendByIndex(fe, frontend_index))
370 return errNoFrontend;
373 ch = new eDVBChannel(this, fe);
380 RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel)
382 ePtr<eDVBAllocatedDemux> demux;
384 if (m_cached_channel)
388 ch = new eDVBChannel(this, 0);
394 RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch)
396 m_active_channels.push_back(active_channel(chid, ch));
397 /* emit */ m_channelAdded(ch);
401 RESULT eDVBResourceManager::removeChannel(eDVBChannel *ch)
404 for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end();)
406 if (i->m_channel == ch)
408 i = m_active_channels.erase(i);
419 RESULT eDVBResourceManager::connectChannelAdded(const Slot1<void,eDVBChannel*> &channelAdded, ePtr<eConnection> &connection)
421 connection = new eConnection((eDVBResourceManager*)this, m_channelAdded.connect(channelAdded));
425 bool eDVBResourceManager::canAllocateFrontend(ePtr<iDVBFrontendParameters> &feparm)
427 ePtr<eDVBRegisteredFrontend> best;
430 for (eSmartPtrList<eDVBRegisteredFrontend>::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i)
433 int c = i->m_frontend->isCompatibleWith(feparm);
441 bool eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore)
444 if (m_cached_channel)
446 eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel);
447 if(channelid==cache_chan->getChannelID())
451 /* first, check if a channel is already existing. */
452 // eDebug("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get());
453 for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i)
455 // eDebug("available channel.. %04x:%04x", i->m_channel_id.transport_stream_id.get(), i->m_channel_id.original_network_id.get());
456 if (i->m_channel_id == channelid)
458 // eDebug("found shared channel..");
463 int *decremented_cached_channel_fe_usecount=NULL,
464 *decremented_fe_usecount=NULL;
466 for (std::list<active_channel>::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i)
468 // eDebug("available channel.. %04x:%04x", i->m_channel_id.transport_stream_id.get(), i->m_channel_id.original_network_id.get());
469 if (i->m_channel_id == ignore)
471 eDVBChannel *channel = (eDVBChannel*) &(*i->m_channel);
472 if (channel == &(*m_cached_channel) ? channel->getUseCount() == 2 : channel->getUseCount() == 1) // channel only used once..
474 ePtr<iDVBFrontend> fe;
475 if (!i->m_channel->getFrontend(fe))
477 for (eSmartPtrList<eDVBRegisteredFrontend>::iterator ii(m_frontend.begin()); ii != m_frontend.end(); ++ii)
479 if ( &(*fe) == &(*ii->m_frontend) )
482 decremented_fe_usecount = &ii->m_inuse;
483 if (channel == &(*m_cached_channel))
484 decremented_cached_channel_fe_usecount = decremented_fe_usecount;
494 if (!decremented_cached_channel_fe_usecount)
496 if (m_cached_channel)
498 eDVBChannel *channel = (eDVBChannel*) &(*m_cached_channel);
499 if (channel->getUseCount() == 1)
501 ePtr<iDVBFrontend> fe;
502 if (!channel->getFrontend(fe))
504 for (eSmartPtrList<eDVBRegisteredFrontend>::iterator ii(m_frontend.begin()); ii != m_frontend.end(); ++ii)
506 if ( &(*fe) == &(*ii->m_frontend) )
509 decremented_cached_channel_fe_usecount = &ii->m_inuse;
518 decremented_cached_channel_fe_usecount=NULL;
520 ePtr<iDVBFrontendParameters> feparm;
524 eDebug("no channel list set!");
529 if (m_list->getChannelFrontendData(channelid, feparm))
531 eDebug("channel not found!");
536 ret = canAllocateFrontend(feparm);
539 if (decremented_fe_usecount)
540 ++(*decremented_fe_usecount);
541 if (decremented_cached_channel_fe_usecount)
542 ++(*decremented_cached_channel_fe_usecount);
547 DEFINE_REF(eDVBChannel);
549 eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend): m_state(state_idle), m_mgr(mgr)
551 m_frontend = frontend;
555 m_skipmode_n = m_skipmode_m = 0;
558 m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged);
561 eDVBChannel::~eDVBChannel()
564 m_mgr->removeChannel(this);
569 void eDVBChannel::frontendStateChanged(iDVBFrontend*fe)
571 int state, ourstate = 0;
573 /* if we are already in shutdown, don't change state. */
574 if (m_state == state_release)
577 if (fe->getState(state))
580 if (state == iDVBFrontend::stateLock)
582 eDebug("OURSTATE: ok");
584 } else if (state == iDVBFrontend::stateTuning)
586 eDebug("OURSTATE: tuning");
587 ourstate = state_tuning;
588 } else if (state == iDVBFrontend::stateLostLock)
590 /* on managed channels, we try to retune in order to re-acquire lock. */
593 eDebug("OURSTATE: lost lock, trying to retune");
594 ourstate = state_tuning;
595 m_frontend->get().tune(*m_feparm);
597 /* on unmanaged channels, we don't do this. the client will do this. */
599 eDebug("OURSTATE: lost lock, unavailable now.");
600 ourstate = state_unavailable;
602 } else if (state == iDVBFrontend::stateFailed)
604 eDebug("OURSTATE: failed");
605 ourstate = state_failed;
607 eFatal("state unknown");
609 if (ourstate != m_state)
612 m_stateChanged(this);
616 void eDVBChannel::pvrEvent(int event)
620 case eFilePushThread::evtEOF:
621 eDebug("eDVBChannel: End of file!");
622 m_event(this, evtEOF);
624 case eFilePushThread::evtUser: /* start */
626 m_event(this, evtSOF);
631 void eDVBChannel::cueSheetEvent(int event)
633 /* we need proper locking here! */
634 eDebug("CUE SHEET EVENT %d", event);
638 case eCueSheet::evtSeek:
640 flushPVR(m_cue->m_decoding_demux);
642 case eCueSheet::evtSkipmode:
644 m_cue->m_seek_requests.push_back(std::pair<int, pts_t>(1, 0)); /* resync */
645 if (m_cue->m_skipmode_ratio)
647 int bitrate = m_tstools.calcBitrate(); /* in bits/s */
648 eDebug("skipmode ratio is %lld:90000, bitrate is %d bit/s", m_cue->m_skipmode_ratio, bitrate);
649 /* i agree that this might look a bit like black magic. */
650 m_skipmode_n = 512*1024; /* must be 1 iframe at least. */
651 m_skipmode_m = bitrate / 8 / 90000 * m_cue->m_skipmode_ratio;
653 eDebug("resolved to: %d %d", m_skipmode_m, m_skipmode_n);
655 if (abs(m_skipmode_m) < abs(m_skipmode_n))
657 eFatal("damn, something is wrong with this calculation");
658 m_skipmode_n = m_skipmode_m = 0;
663 eDebug("skipmode ratio is 0, normal play");
664 m_skipmode_n = m_skipmode_m = 0;
666 flushPVR(m_cue->m_decoding_demux);
669 case eCueSheet::evtSpanChanged:
670 eDebug("source span translation not yet supported");
671 // recheckCuesheetSpans();
676 /* remember, this gets called from another thread. */
677 void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size)
679 unsigned int max = 10*1024*1024;
683 eDebug("no cue sheet. forcing normal play");
684 start = current_offset;
689 if (!m_cue->m_decoding_demux)
691 start = current_offset;
693 eDebug("getNextSourceSpan, no decoding demux. forcing normal play");
699 eDebug("skipmode %d:%d", m_skipmode_m, m_skipmode_n);
703 eDebug("getNextSourceSpan, current offset is %08llx!", current_offset);
705 if ((current_offset < -m_skipmode_m) && (m_skipmode_m < 0))
707 eDebug("reached SOF");
709 m_pvr_thread->sendEvent(eFilePushThread::evtUser);
712 current_offset += m_skipmode_m;
714 while (!m_cue->m_seek_requests.empty())
716 std::pair<int, pts_t> seek = m_cue->m_seek_requests.front();
717 m_cue->m_seek_requests.pop_front();
718 int relative = seek.first;
719 pts_t pts = seek.second;
721 int bitrate = m_tstools.calcBitrate(); /* in bits/s */
729 /* we're using the decoder's timestamp here. this
730 won't work for radio (ouch). */
731 if (getCurrentPosition(m_cue->m_decoding_demux, now, 1))
733 eDebug("seekTo: getCurrentPosition failed!");
742 off_t offset = (pts * (pts_t)bitrate) / 8ULL / 90000ULL;
744 eDebug("ok, resolved skip (rel: %d, diff %lld), now at %08llx", relative, pts, offset);
745 current_offset = offset;
748 for (std::list<std::pair<off_t, off_t> >::const_iterator i(m_source_span.begin()); i != m_source_span.end(); ++i)
750 if ((current_offset >= i->first) && (current_offset < i->second))
752 start = current_offset;
753 size = i->second - current_offset;
756 eDebug("HIT, %lld < %lld < %lld", i->first, current_offset, i->second);
759 if (current_offset < i->first)
762 size = i->second - i->first;
770 start = current_offset;
772 eDebug("END OF CUESHEET. (%08llx, %d)", start, size);
779 void eDVBChannel::AddUse()
784 void eDVBChannel::ReleaseUse()
788 m_state = state_release;
789 m_stateChanged(this);
793 RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr<iDVBFrontendParameters> &feparm)
796 m_mgr->removeChannel(this);
803 eDebug("no frontend to tune!");
807 m_channel_id = channelid;
808 m_mgr->addChannel(channelid, this);
809 m_state = state_tuning;
810 /* if tuning fails, shutdown the channel immediately. */
812 res = m_frontend->get().tune(*feparm);
817 m_state = state_release;
818 m_stateChanged(this);
825 RESULT eDVBChannel::connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection)
827 connection = new eConnection((iDVBChannel*)this, m_stateChanged.connect(stateChange));
831 RESULT eDVBChannel::connectEvent(const Slot2<void,iDVBChannel*,int> &event, ePtr<eConnection> &connection)
833 connection = new eConnection((iDVBChannel*)this, m_event.connect(event));
837 RESULT eDVBChannel::getState(int &state)
843 RESULT eDVBChannel::setCIRouting(const eDVBCIRouting &routing)
848 RESULT eDVBChannel::getDemux(ePtr<iDVBDemux> &demux, int cap)
850 ePtr<eDVBAllocatedDemux> &our_demux = (cap & capDecode) ? m_decoder_demux : m_demux;
856 if (m_mgr->allocateDemux(m_frontend ? (eDVBRegisteredFrontend*)*m_frontend : (eDVBRegisteredFrontend*)0, our_demux, cap))
861 /* don't hold a reference to the decoding demux, we don't need it. */
867 RESULT eDVBChannel::getFrontend(ePtr<iDVBFrontend> &frontend)
869 frontend = &m_frontend->get();
876 RESULT eDVBChannel::playFile(const char *file)
881 m_pvr_thread->stop();
886 m_tstools.openFile(file);
888 /* DON'T EVEN THINK ABOUT FIXING THIS. FIX THE ATI SOURCES FIRST,
889 THEN DO A REAL FIX HERE! */
891 /* (this codepath needs to be improved anyway.) */
892 m_pvr_fd_dst = open("/dev/misc/pvr", O_WRONLY);
893 if (m_pvr_fd_dst < 0)
895 eDebug("can't open /dev/misc/pvr - you need to buy the new(!) $$$ box! (%m)"); // or wait for the driver to be improved.
899 m_pvr_fd_src = open(file, O_RDONLY|O_LARGEFILE);
900 if (m_pvr_fd_src < 0)
902 eDebug("can't open PVR m_pvr_fd_src file %s (%m)", file);
908 m_stateChanged(this);
910 m_pvr_thread = new eFilePushThread();
911 m_pvr_thread->enablePVRCommit(1);
912 m_pvr_thread->setScatterGather(this);
914 m_pvr_thread->start(m_pvr_fd_src, m_pvr_fd_dst);
915 CONNECT(m_pvr_thread->m_event, eDVBChannel::pvrEvent);
920 void eDVBChannel::stopFile()
924 m_pvr_thread->stop();
925 ::close(m_pvr_fd_src);
926 ::close(m_pvr_fd_dst);
932 void eDVBChannel::setCueSheet(eCueSheet *cuesheet)
934 m_conn_cueSheetEvent = 0;
937 m_cue->connectEvent(slot(*this, &eDVBChannel::cueSheetEvent), m_conn_cueSheetEvent);
940 RESULT eDVBChannel::getLength(pts_t &len)
942 return m_tstools.calcLen(len);
945 RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode)
951 /* getPTS for offset 0 is cached, so it doesn't harm. */
952 int r = m_tstools.getPTS(begin, pos);
955 eDebug("tstools getpts(0) failed!");
961 /* TODO: this is a gross hack. */
962 r = decoding_demux->getSTC(now, mode ? 128 : 0);
966 eDebug("demux getSTC failed");
970 // eDebug("STC: %08llx PTS: %08llx, diff %lld", now, pos, now - pos);
971 /* when we are less than 10 seconds before the start, return 0. */
972 /* (we're just waiting for the timespam to start) */
973 if ((now < pos) && ((pos - now) < 90000 * 10))
979 if (now < pos) /* wrap around */
980 pos = now + ((pts_t)1)<<33 - pos;
987 void eDVBChannel::flushPVR(iDVBDemux *decoding_demux)
989 /* when seeking, we have to ensure that all buffers are flushed.
990 there are basically 3 buffers:
991 a.) the filepush's internal buffer
992 b.) the PVR buffer (before demux)
993 c.) the ratebuffer (after demux)
995 it's important to clear them in the correct order, otherwise
996 the ratebuffer (for example) would immediately refill from
997 the not-yet-flushed PVR buffer.
1000 m_pvr_thread->pause();
1001 /* flush internal filepush buffer */
1002 m_pvr_thread->flush();
1003 /* HACK: flush PVR buffer */
1004 ::ioctl(m_pvr_fd_dst, 0);
1006 /* flush ratebuffers (video, audio) */
1008 decoding_demux->flush();
1010 /* demux will also flush all decoder.. */
1011 /* resume will re-query the SG */
1012 m_pvr_thread->resume();
1015 DEFINE_REF(eCueSheet);
1017 eCueSheet::eCueSheet()
1019 m_skipmode_ratio = 0;
1022 void eCueSheet::seekTo(int relative, const pts_t &pts)
1024 m_seek_requests.push_back(std::pair<int, pts_t>(relative, pts));
1028 void eCueSheet::clear()
1033 void eCueSheet::addSourceSpan(const pts_t &begin, const pts_t &end)
1035 m_spans.push_back(std::pair<pts_t, pts_t>(begin, end));
1036 m_event(evtSpanChanged);
1039 void eCueSheet::setSkipmode(const pts_t &ratio)
1041 m_skipmode_ratio = ratio;
1042 m_event(evtSkipmode);
1045 void eCueSheet::setDecodingDemux(iDVBDemux *demux)
1047 m_decoding_demux = demux;
1050 RESULT eCueSheet::connectEvent(const Slot1<void,int> &event, ePtr<eConnection> &connection)
1052 connection = new eConnection(this, m_event.connect(event));