X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/b6592b47fa1932132a67a3beabcce7c96856d211..9b6b96172d1d20d9daf3c11bc5f0222f487d53d7:/lib/dvb/dvb.cpp diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp index c8feccfd..f215b906 100644 --- a/lib/dvb/dvb.cpp +++ b/lib/dvb/dvb.cpp @@ -9,6 +9,7 @@ #include #include #include +#include DEFINE_REF(eDVBRegisteredFrontend); DEFINE_REF(eDVBRegisteredDemux); @@ -17,12 +18,12 @@ DEFINE_REF(eDVBAllocatedFrontend); eDVBAllocatedFrontend::eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe): m_fe(fe) { - m_fe->m_inuse++; + m_fe->inc_use(); } eDVBAllocatedFrontend::~eDVBAllocatedFrontend() { - --m_fe->m_inuse; + m_fe->dec_use(); } DEFINE_REF(eDVBAllocatedDemux); @@ -42,10 +43,11 @@ DEFINE_REF(eDVBResourceManager); eDVBResourceManager *eDVBResourceManager::instance; eDVBResourceManager::eDVBResourceManager() + :m_releaseCachedChannelTimer(eApp) { avail = 1; busy = 0; - m_sec = new eDVBSatelliteEquipmentControl; + m_sec = new eDVBSatelliteEquipmentControl(m_frontend); if (!instance) instance = this; @@ -62,6 +64,8 @@ eDVBResourceManager::eDVBResourceManager() eDebug("found %d adapter, %d frontends and %d demux", m_adapter.size(), m_frontend.size(), m_demux.size()); + + CONNECT(m_releaseCachedChannelTimer.timeout, eDVBResourceManager::releaseCachedChannel); } @@ -176,7 +180,6 @@ eDVBResourceManager::~eDVBResourceManager() { if (instance == this) instance = 0; - } void eDVBResourceManager::addAdapter(iDVBAdapter *adapter) @@ -197,20 +200,52 @@ void eDVBResourceManager::addAdapter(iDVBAdapter *adapter) for (i=0; i frontend; + if (!adapter->getFrontend(frontend, i)) + { + frontend->setSEC(m_sec); m_frontend.push_back(new eDVBRegisteredFrontend(frontend, adapter)); + } } } -RESULT eDVBResourceManager::allocateFrontend(const eDVBChannelID &chid, ePtr &fe) +RESULT eDVBResourceManager::allocateFrontend(ePtr &fe, ePtr &feparm) { - /* find first unused frontend. we ignore compatibility for now. */ + ePtr best; + int bestval = 0; + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) if (!i->m_inuse) + { + int c = i->m_frontend->isCompatibleWith(feparm); + if (c > bestval) + { + bestval = c; + best = i; + } + } + + if (best) + { + fe = new eDVBAllocatedFrontend(best); + return 0; + } + + fe = 0; + + return -1; +} + +RESULT eDVBResourceManager::allocateFrontendByIndex(ePtr &fe, int nr) +{ + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i, --nr) + if ((!nr) && !i->m_inuse) { fe = new eDVBAllocatedFrontend(i); return 0; } + + fe = 0; return -1; } @@ -225,15 +260,22 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtrm_inuse) && ((!fe) || (i->m_adapter == fe->m_adapter))) { + if ((cap & iDVBChannel::capDecode) && n) + continue; + demux = new eDVBAllocatedDemux(i); - eDebug("demux found"); + if (fe) + demux->get().setSourceFrontend(fe->m_frontend->getID()); + else + demux->get().setSourcePVR(0); return 0; } eDebug("demux not found"); @@ -255,11 +297,24 @@ RESULT eDVBResourceManager::getChannelList(ePtr &list) return -ENOENT; } - RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr &channel) { /* first, check if a channel is already existing. */ - + + if (m_cached_channel) + { + eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel); + if(channelid==cache_chan->getChannelID()) + { + eDebug("use cached_channel"); + channel = m_cached_channel; + return 0; + } + m_cached_channel_state_changed_conn.disconnect(); + m_cached_channel=0; + m_releaseCachedChannelTimer.stop(); + } + // eDebug("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get()); for (std::list::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i) { @@ -272,59 +327,92 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUse } } - /* no currently available channel is tuned to this channelid. create a new one, if possible. */ - - /* allocate a frontend. */ + /* no currently available channel is tuned to this channelid. create a new one, if possible. */ + + if (!m_list) + { + eDebug("no channel list set!"); + return -ENOENT; + } + + ePtr feparm; + if (m_list->getChannelFrontendData(channelid, feparm)) + { + eDebug("channel not found!"); + return -ENOENT; + } + + /* allocate a frontend. */ ePtr fe; - if (allocateFrontend(channelid, fe)) + if (allocateFrontend(fe, feparm)) return errNoFrontend; - -// will be allocated on demand: -// ePtr demux; -// -// if (allocateDemux(*fe, demux)) -// return errNoDemux; - + RESULT res; - eDVBChannel *ch; + ePtr ch; ch = new eDVBChannel(this, fe); - ePtr myfe; - if (!ch->getFrontend(myfe)) - myfe->setSEC(m_sec); - - res = ch->setChannel(channelid); + res = ch->setChannel(channelid, feparm); if (res) { channel = 0; return errChidNotFound; } - - channel = ch; + m_cached_channel = channel = ch; + m_cached_channel_state_changed_conn = + CONNECT(ch->m_stateChanged,eDVBResourceManager::DVBChannelStateChanged); + return 0; } -RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel) +void eDVBResourceManager::DVBChannelStateChanged(iDVBChannel *chan) +{ + int state=0; + chan->getState(state); + switch (state) + { + case iDVBChannel::state_release: + case iDVBChannel::state_ok: + { + eDebug("stop release channel timer"); + m_releaseCachedChannelTimer.stop(); + break; + } + case iDVBChannel::state_last_instance: + { + eDebug("start release channel timer"); + m_releaseCachedChannelTimer.start(3000, true); + break; + } + default: // ignore all other events + break; + } +} + +void eDVBResourceManager::releaseCachedChannel() +{ + eDebug("release cached channel (timer timeout)"); + m_cached_channel=0; +} + +RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel, int frontend_index) { ePtr fe; - - if (allocateFrontend(eDVBChannelID(), fe)) + + if (m_cached_channel) + { + m_cached_channel_state_changed_conn.disconnect(); + m_cached_channel=0; + m_releaseCachedChannelTimer.stop(); + } + + if (allocateFrontendByIndex(fe, frontend_index)) return errNoFrontend; -// ePtr demux; - // -// if (allocateDemux(*fe, demux)) -// return errNoDemux; - eDVBChannel *ch; ch = new eDVBChannel(this, fe); - ePtr myfe; - if (!ch->getFrontend(myfe)) - myfe->setSEC(m_sec); - channel = ch; return 0; } @@ -333,10 +421,7 @@ RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel) RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr &channel) { ePtr demux; - -// if (allocateDemux(0, demux)) -// return errNoDemux; - + eDVBChannel *ch; ch = new eDVBChannel(this, 0); @@ -346,7 +431,6 @@ RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr &channel) RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch) { - eDebug("add channel %p", ch); m_active_channels.push_back(active_channel(chid, ch)); /* emit */ m_channelAdded(ch); return 0; @@ -376,6 +460,128 @@ RESULT eDVBResourceManager::connectChannelAdded(const Slot1 & return 0; } +bool eDVBResourceManager::canAllocateFrontend(ePtr &feparm) +{ + ePtr best; + int bestval = 0; + + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) + if (!i->m_inuse) + { + int c = i->m_frontend->isCompatibleWith(feparm); + if (c > bestval) + bestval = c; + } + + return bestval>0; +} + +bool eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore) +{ + bool ret=true; + if (m_cached_channel) + { + eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel); + if(channelid==cache_chan->getChannelID()) + return ret; + } + + /* first, check if a channel is already existing. */ +// eDebug("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get()); + for (std::list::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i) + { +// eDebug("available channel.. %04x:%04x", i->m_channel_id.transport_stream_id.get(), i->m_channel_id.original_network_id.get()); + if (i->m_channel_id == channelid) + { +// eDebug("found shared channel.."); + return ret; + } + } + + int *decremented_cached_channel_fe_usecount=NULL, + *decremented_fe_usecount=NULL; + + for (std::list::iterator i(m_active_channels.begin()); i != m_active_channels.end(); ++i) + { +// eDebug("available channel.. %04x:%04x", i->m_channel_id.transport_stream_id.get(), i->m_channel_id.original_network_id.get()); + if (i->m_channel_id == ignore) + { + eDVBChannel *channel = (eDVBChannel*) &(*i->m_channel); + if (channel == &(*m_cached_channel) ? channel->getUseCount() == 2 : channel->getUseCount() == 1) // channel only used once.. + { + ePtr fe; + if (!i->m_channel->getFrontend(fe)) + { + for (eSmartPtrList::iterator ii(m_frontend.begin()); ii != m_frontend.end(); ++ii) + { + if ( &(*fe) == &(*ii->m_frontend) ) + { + --ii->m_inuse; + decremented_fe_usecount = &ii->m_inuse; + if (channel == &(*m_cached_channel)) + decremented_cached_channel_fe_usecount = decremented_fe_usecount; + break; + } + } + } + } + break; + } + } + + if (!decremented_cached_channel_fe_usecount) + { + if (m_cached_channel) + { + eDVBChannel *channel = (eDVBChannel*) &(*m_cached_channel); + if (channel->getUseCount() == 1) + { + ePtr fe; + if (!channel->getFrontend(fe)) + { + for (eSmartPtrList::iterator ii(m_frontend.begin()); ii != m_frontend.end(); ++ii) + { + if ( &(*fe) == &(*ii->m_frontend) ) + { + --ii->m_inuse; + decremented_cached_channel_fe_usecount = &ii->m_inuse; + break; + } + } + } + } + } + } + else + decremented_cached_channel_fe_usecount=NULL; + + ePtr feparm; + + if (!m_list) + { + eDebug("no channel list set!"); + ret = false; + goto error; + } + + if (m_list->getChannelFrontendData(channelid, feparm)) + { + eDebug("channel not found!"); + ret = false; + goto error; + } + + ret = canAllocateFrontend(feparm); + +error: + if (decremented_fe_usecount) + ++(*decremented_fe_usecount); + if (decremented_cached_channel_fe_usecount) + ++(*decremented_cached_channel_fe_usecount); + + return ret; +} + DEFINE_REF(eDVBChannel); eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend): m_state(state_idle), m_mgr(mgr) @@ -384,6 +590,8 @@ eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *fronte m_pvr_thread = 0; + m_skipmode_n = m_skipmode_m = 0; + if (m_frontend) m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged); } @@ -392,19 +600,12 @@ eDVBChannel::~eDVBChannel() { if (m_channel_id) m_mgr->removeChannel(this); - - if (m_pvr_thread) - { - m_pvr_thread->stop(); - ::close(m_pvr_fd_src); - ::close(m_pvr_fd_dst); - delete m_pvr_thread; - } + + stopFile(); } void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) { - eDebug("fe state changed!"); int state, ourstate = 0; /* if we are already in shutdown, don't change state. */ @@ -422,10 +623,24 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) { eDebug("OURSTATE: tuning"); ourstate = state_tuning; + } else if (state == iDVBFrontend::stateLostLock) + { + /* on managed channels, we try to retune in order to re-acquire lock. */ + if (m_feparm) + { + eDebug("OURSTATE: lost lock, trying to retune"); + ourstate = state_tuning; + m_frontend->get().tune(*m_feparm); + } else + /* on unmanaged channels, we don't do this. the client will do this. */ + { + eDebug("OURSTATE: lost lock, unavailable now."); + ourstate = state_unavailable; + } } else if (state == iDVBFrontend::stateFailed) { - eDebug("OURSTATE: failed/unavailable"); - ourstate = state_unavailable; + eDebug("OURSTATE: failed"); + ourstate = state_failed; } else eFatal("state unknown"); @@ -436,9 +651,189 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) } } +void eDVBChannel::pvrEvent(int event) +{ + switch (event) + { + case eFilePushThread::evtEOF: + eDebug("eDVBChannel: End of file!"); + m_event(this, evtEOF); + break; + case eFilePushThread::evtUser: /* start */ + eDebug("SOF"); + m_event(this, evtSOF); + break; + } +} + +void eDVBChannel::cueSheetEvent(int event) +{ + switch (event) + { + case eCueSheet::evtSeek: + eDebug("seek."); + flushPVR(m_cue->m_decoding_demux); + break; + case eCueSheet::evtSkipmode: + { + { + eSingleLocker l(m_cue->m_lock); + m_cue->m_seek_requests.push_back(std::pair(1, 0)); /* resync */ + if (m_cue->m_skipmode_ratio) + { + int bitrate = m_tstools.calcBitrate(); /* in bits/s */ + eDebug("skipmode ratio is %lld:90000, bitrate is %d bit/s", m_cue->m_skipmode_ratio, bitrate); + /* i agree that this might look a bit like black magic. */ + m_skipmode_n = 512*1024; /* must be 1 iframe at least. */ + m_skipmode_m = bitrate / 8 / 90000 * m_cue->m_skipmode_ratio / 8; + + if (m_cue->m_skipmode_ratio < 0) + m_skipmode_m -= m_skipmode_n; + + eDebug("resolved to: %d %d", m_skipmode_m, m_skipmode_n); + + if (abs(m_skipmode_m) < abs(m_skipmode_n)) + { + eWarning("something is wrong with this calculation"); + m_skipmode_n = m_skipmode_m = 0; + } + + } else + { + eDebug("skipmode ratio is 0, normal play"); + m_skipmode_n = m_skipmode_m = 0; + } + } + flushPVR(m_cue->m_decoding_demux); + break; + } + case eCueSheet::evtSpanChanged: + eDebug("source span translation not yet supported"); + // recheckCuesheetSpans(); + break; + } +} + + /* remember, this gets called from another thread. */ +void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size) +{ + unsigned int max = 10*1024*1024; + + if (!m_cue) + { + eDebug("no cue sheet. forcing normal play"); + start = current_offset; + size = max; + return; + } + + eSingleLocker l(m_cue->m_lock); + + if (!m_cue->m_decoding_demux) + { + start = current_offset; + size = max; + eDebug("getNextSourceSpan, no decoding demux. forcing normal play"); + return; + } + + if (m_skipmode_n) + { + eDebug("skipmode %d:%d", m_skipmode_m, m_skipmode_n); + max = m_skipmode_n; + } + + eDebug("getNextSourceSpan, current offset is %08llx!", current_offset); + + if ((current_offset < -m_skipmode_m) && (m_skipmode_m < 0)) + { + eDebug("reached SOF"); + m_skipmode_m = 0; + m_pvr_thread->sendEvent(eFilePushThread::evtUser); + } + + current_offset += m_skipmode_m; + + while (!m_cue->m_seek_requests.empty()) + { + std::pair seek = m_cue->m_seek_requests.front(); + m_cue->m_seek_requests.pop_front(); + int relative = seek.first; + pts_t pts = seek.second; + + int bitrate = m_tstools.calcBitrate(); /* in bits/s */ + + if (bitrate == -1) + continue; + + if (relative) + { + pts_t now; + if (!m_cue->m_decoder) + { + eDebug("no decoder - can't seek relative"); + continue; + } + if (m_cue->m_decoder->getPTS(0, now)) + { + eDebug("decoder getPTS failed, can't seek relative"); + continue; + } + if (getCurrentPosition(m_cue->m_decoding_demux, now, 1)) + { + eDebug("seekTo: getCurrentPosition failed!"); + continue; + } + pts += now; + } + + if (pts < 0) + pts = 0; + + off_t offset = (pts * (pts_t)bitrate) / 8ULL / 90000ULL; + + eDebug("ok, resolved skip (rel: %d, diff %lld), now at %08llx", relative, pts, offset); + current_offset = offset; + } + + for (std::list >::const_iterator i(m_source_span.begin()); i != m_source_span.end(); ++i) + { + if ((current_offset >= i->first) && (current_offset < i->second)) + { + start = current_offset; + size = i->second - current_offset; + if (size > max) + size = max; + eDebug("HIT, %lld < %lld < %lld", i->first, current_offset, i->second); + return; + } + if (current_offset < i->first) + { + start = i->first; + size = i->second - i->first; + if (size > max) + size = max; + eDebug("skip"); + return; + } + } + + start = current_offset; + size = max; + eDebug("END OF CUESHEET. (%08llx, %d)", start, size); + + if (size < 4096) + eFatal("blub"); + return; +} + void eDVBChannel::AddUse() { - ++m_use_count; + if (++m_use_count > 1 && m_state == state_last_instance) + { + m_state = state_ok; + m_stateChanged(this); + } } void eDVBChannel::ReleaseUse() @@ -448,9 +843,14 @@ void eDVBChannel::ReleaseUse() m_state = state_release; m_stateChanged(this); } + else if (m_use_count == 1) + { + m_state = state_last_instance; + m_stateChanged(this); + } } -RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid) +RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr &feparm) { if (m_channel_id) m_mgr->removeChannel(this); @@ -458,25 +858,6 @@ RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid) if (!channelid) return 0; - ePtr list; - - if (m_mgr->getChannelList(list)) - { - eDebug("no channel list set!"); - return -ENOENT; - } - - eDebug("tuning to chid: ns: %08x tsid %04x onid %04x", - channelid.dvbnamespace.get(), channelid.transport_stream_id.get(), channelid.original_network_id.get()); - - ePtr feparm; - if (list->getChannelFrontendData(channelid, feparm)) - { - eDebug("channel not found!"); - return -ENOENT; - } - eDebug("allocateChannel: channel found.."); - if (!m_frontend) { eDebug("no frontend to tune!"); @@ -486,7 +867,19 @@ RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid) m_channel_id = channelid; m_mgr->addChannel(channelid, this); m_state = state_tuning; - return m_frontend->get().tune(*feparm); + /* if tuning fails, shutdown the channel immediately. */ + int res; + res = m_frontend->get().tune(*feparm); + m_feparm = feparm; + + if (res) + { + m_state = state_release; + m_stateChanged(this); + return res; + } + + return 0; } RESULT eDVBChannel::connectStateChange(const Slot1 &stateChange, ePtr &connection) @@ -495,6 +888,12 @@ RESULT eDVBChannel::connectStateChange(const Slot1 &stateChan return 0; } +RESULT eDVBChannel::connectEvent(const Slot2 &event, ePtr &connection) +{ + connection = new eConnection((iDVBChannel*)this, m_event.connect(event)); + return 0; +} + RESULT eDVBChannel::getState(int &state) { state = m_state; @@ -515,10 +914,13 @@ RESULT eDVBChannel::getDemux(ePtr &demux, int cap) demux = 0; if (m_mgr->allocateDemux(m_frontend ? (eDVBRegisteredFrontend*)*m_frontend : (eDVBRegisteredFrontend*)0, our_demux, cap)) - return 0; + return -1; } demux = *our_demux; + /* don't hold a reference to the decoding demux, we don't need it. */ + if (cap & capDecode) + our_demux = 0; return 0; } @@ -547,14 +949,18 @@ RESULT eDVBChannel::playFile(const char *file) THEN DO A REAL FIX HERE! */ /* (this codepath needs to be improved anyway.) */ +#if HAVE_DVB_API_VERSION < 3 + m_pvr_fd_dst = open("/dev/pvr", O_WRONLY); +#else m_pvr_fd_dst = open("/dev/misc/pvr", O_WRONLY); +#endif if (m_pvr_fd_dst < 0) { - eDebug("can't open /dev/misc/pvr - you need to buy the new(!) $$$ box! (%m)"); + eDebug("can't open /dev/misc/pvr - you need to buy the new(!) $$$ box! (%m)"); // or wait for the driver to be improved. return -ENODEV; } - m_pvr_fd_src = open(file, O_RDONLY); + m_pvr_fd_src = open(file, O_RDONLY|O_LARGEFILE); if (m_pvr_fd_src < 0) { eDebug("can't open PVR m_pvr_fd_src file %s (%m)", file); @@ -566,53 +972,149 @@ RESULT eDVBChannel::playFile(const char *file) m_stateChanged(this); m_pvr_thread = new eFilePushThread(); + m_pvr_thread->enablePVRCommit(1); + m_pvr_thread->setScatterGather(this); + m_pvr_thread->start(m_pvr_fd_src, m_pvr_fd_dst); + CONNECT(m_pvr_thread->m_event, eDVBChannel::pvrEvent); return 0; } +void eDVBChannel::stopFile() +{ + if (m_pvr_thread) + { + m_pvr_thread->stop(); + ::close(m_pvr_fd_src); + ::close(m_pvr_fd_dst); + delete m_pvr_thread; + m_pvr_thread = 0; + } +} + +void eDVBChannel::setCueSheet(eCueSheet *cuesheet) +{ + m_conn_cueSheetEvent = 0; + m_cue = cuesheet; + if (m_cue) + m_cue->connectEvent(slot(*this, &eDVBChannel::cueSheetEvent), m_conn_cueSheetEvent); +} + RESULT eDVBChannel::getLength(pts_t &len) { return m_tstools.calcLen(len); } -RESULT eDVBChannel::getCurrentPosition(pts_t &pos) +RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos, int mode) { - if (!m_decoder_demux) + if (!decoding_demux) return -1; - off_t begin = 0; - /* getPTS for offset 0 is cached, so it doesn't harm. */ - int r = m_tstools.getPTS(begin, pos); + pts_t now; + + int r; + + if (mode == 0) /* demux */ + { + r = decoding_demux->getSTC(now, 0); + if (r) + { + eDebug("demux getSTC failed"); + return -1; + } + } else + now = pos; /* fixup supplied */ + + off_t off = 0; /* TODO: fixme */ + r = m_tstools.fixupPTS(off, now); if (r) { - eDebug("tstools getpts(0) failed!"); - return r; + eDebug("fixup PTS failed"); + return -1; } - pts_t now; + pos = now; - r = m_decoder_demux->get().getSTC(now); + return 0; +} - if (r) +void eDVBChannel::flushPVR(iDVBDemux *decoding_demux) +{ + /* when seeking, we have to ensure that all buffers are flushed. + there are basically 3 buffers: + a.) the filepush's internal buffer + b.) the PVR buffer (before demux) + c.) the ratebuffer (after demux) + + it's important to clear them in the correct order, otherwise + the ratebuffer (for example) would immediately refill from + the not-yet-flushed PVR buffer. + */ + + m_pvr_thread->pause(); + /* flush internal filepush buffer */ + m_pvr_thread->flush(); + /* HACK: flush PVR buffer */ + ::ioctl(m_pvr_fd_dst, 0); + + /* flush ratebuffers (video, audio) */ + if (decoding_demux) + decoding_demux->flush(); + + /* demux will also flush all decoder.. */ + /* resume will re-query the SG */ + m_pvr_thread->resume(); +} + +DEFINE_REF(eCueSheet); + +eCueSheet::eCueSheet() +{ + m_skipmode_ratio = 0; +} + +void eCueSheet::seekTo(int relative, const pts_t &pts) +{ { - eDebug("demux getSTC failed"); - return -1; + eSingleLock l(m_lock); + m_seek_requests.push_back(std::pair(relative, pts)); } + m_event(evtSeek); +} -// eDebug("STC: %08llx PTS: %08llx, diff %lld", now, pos, now - pos); - /* when we are less than 10 seconds before the start, return 0. */ - /* (we're just waiting for the timespam to start) */ - if ((now < pos) && ((pos - now) < 90000 * 10)) +void eCueSheet::clear() +{ + eSingleLock l(m_lock); + m_spans.clear(); +} + +void eCueSheet::addSourceSpan(const pts_t &begin, const pts_t &end) +{ { - pos = 0; - return 0; + eSingleLock l(m_lock); + m_spans.push_back(std::pair(begin, end)); } - - if (now < pos) /* wrap around */ - pos = now + ((pts_t)1)<<33 - pos; - else - pos = now - pos; - + m_event(evtSpanChanged); +} + +void eCueSheet::setSkipmode(const pts_t &ratio) +{ + { + eSingleLock l(m_lock); + m_skipmode_ratio = ratio; + } + m_event(evtSkipmode); +} + +void eCueSheet::setDecodingDemux(iDVBDemux *demux, iTSMPEGDecoder *decoder) +{ + m_decoding_demux = demux; + m_decoder = decoder; +} + +RESULT eCueSheet::connectEvent(const Slot1 &event, ePtr &connection) +{ + connection = new eConnection(this, m_event.connect(event)); return 0; }