X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/82aa264d3b1732f8c5883a13401a45cb32e00bc1..4c697b16225031cc892857d78b7d6fb5d8f02280:/lib/dvb/dvb.cpp diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp index 89e2bdf3..13e3a179 100644 --- a/lib/dvb/dvb.cpp +++ b/lib/dvb/dvb.cpp @@ -18,12 +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); @@ -42,11 +42,29 @@ DEFINE_REF(eDVBResourceManager); eDVBResourceManager *eDVBResourceManager::instance; +RESULT eDVBResourceManager::getInstance(ePtr &ptr) +{ + if (instance) + { + ptr = instance; + return 0; + } + return -1; +} + +ePtr NewResourceManagerPtr(void) +{ + ePtr ptr; + eDVBResourceManager::getInstance(ptr); + return ptr; +} + eDVBResourceManager::eDVBResourceManager() + :m_releaseCachedChannelTimer(eApp) { avail = 1; busy = 0; - m_sec = new eDVBSatelliteEquipmentControl; + m_sec = new eDVBSatelliteEquipmentControl(m_frontend); if (!instance) instance = this; @@ -63,8 +81,18 @@ 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); } +void eDVBResourceManager::feStateChanged() +{ + int mask=0; + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) + if (i->m_inuse) + mask |= ( 1 << i->m_frontend->getID() ); + /* emit */ frontendUseMaskChanged(mask); +} DEFINE_REF(eDVBAdapterLinux); eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr) @@ -194,30 +222,44 @@ void eDVBResourceManager::addAdapter(iDVBAdapter *adapter) m_demux.push_back(new eDVBRegisteredDemux(demux, adapter)); } + ePtr prev_dvbt_frontend; for (i=0; i frontend; - if (!adapter->getFrontend(frontend, i)) { + int frontendType=0; + frontend->getFrontendType(frontendType); + eDVBRegisteredFrontend *new_fe = new eDVBRegisteredFrontend(frontend, adapter); + CONNECT(new_fe->stateChanged, eDVBResourceManager::feStateChanged); + m_frontend.push_back(new_fe); frontend->setSEC(m_sec); - m_frontend.push_back(new eDVBRegisteredFrontend(frontend, adapter)); + // we must link all dvb-t frontends ( for active antenna voltage ) + if (frontendType == iDVBFrontend::feTerrestrial) + { + if (prev_dvbt_frontend) + { + prev_dvbt_frontend->m_frontend->setData(eDVBFrontend::LINKED_NEXT_PTR, (int)new_fe); + frontend->setData(eDVBFrontend::LINKED_PREV_PTR, (int)&(*prev_dvbt_frontend)); + } + prev_dvbt_frontend = new_fe; + } } } } -RESULT eDVBResourceManager::allocateFrontend(const eDVBChannelID &chid, ePtr &fe) +RESULT eDVBResourceManager::allocateFrontend(ePtr &fe, 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(chid); + int c = i->m_frontend->isCompatibleWith(feparm); if (c > bestval) { - c = bestval; + bestval = c; best = i; } } @@ -233,6 +275,19 @@ RESULT eDVBResourceManager::allocateFrontend(const eDVBChannelID &chid, 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; +} + RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr &demux, int cap) { /* find first unused demux which is on same adapter as frontend (or any, if PVR) @@ -247,12 +302,23 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr 2) /* assumed to be true, otherwise we have lost anyway */ + { + ++i, ++n; + ++i, ++n; + } + } for (; i != m_demux.end(); ++i, ++n) - if ((!i->m_inuse) && ((!fe) || (i->m_adapter == fe->m_adapter))) + { + int is_decode = n < 2; + + int in_use = is_decode ? (i->m_demux->getRefCount() != 2) : i->m_inuse; + + if ((!in_use) && ((!fe) || (i->m_adapter == fe->m_adapter))) { - if ((cap & iDVBChannel::capDecode) && n) + if ((cap & iDVBChannel::capDecode) && !is_decode) continue; demux = new eDVBAllocatedDemux(i); @@ -262,6 +328,7 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtrget().setSourcePVR(0); return 0; } + } eDebug("demux not found"); return -1; } @@ -281,11 +348,24 @@ 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) { @@ -298,48 +378,89 @@ 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; ePtr ch; ch = new eDVBChannel(this, fe); - 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); @@ -351,13 +472,17 @@ RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel) RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr &channel) { ePtr demux; - -// if (allocateDemux(0, demux)) -// return errNoDemux; - + + if (m_cached_channel && m_releaseCachedChannelTimer.isActive()) + { + m_cached_channel_state_changed_conn.disconnect(); + m_cached_channel=0; + m_releaseCachedChannelTimer.stop(); + } + eDVBChannel *ch; ch = new eDVBChannel(this, 0); - + channel = ch; return 0; } @@ -393,6 +518,132 @@ RESULT eDVBResourceManager::connectChannelAdded(const Slot1 & return 0; } +int 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; +} + +int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore) +{ + int ret=30000; + 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); + // one eUsePtr is used in eDVBServicePMTHandler + // another on eUsePtr is used in the eDVBScan instance used in eDVBServicePMTHandler (for SDT scan) + // so we must check here if usecount is 3 (when the channel is equal to the cached channel) + // or 2 when the cached channel is not equal to the compared channel + if (channel == &(*m_cached_channel) ? channel->getUseCount() == 3 : channel->getUseCount() == 2) // 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 = 0; + goto error; + } + + if (m_list->getChannelFrontendData(channelid, feparm)) + { + eDebug("channel not found!"); + ret = 0; + 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) @@ -401,6 +652,8 @@ 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); } @@ -409,14 +662,8 @@ 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) @@ -440,8 +687,18 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) ourstate = state_tuning; } else if (state == iDVBFrontend::stateLostLock) { - eDebug("OURSTATE: lost lock"); - ourstate = state_unavailable; + /* on managed channels, we try to retune in order to re-acquire lock. */ + if (m_current_frontend_parameters) + { + eDebug("OURSTATE: lost lock, trying to retune"); + ourstate = state_tuning; + m_frontend->get().tune(*m_current_frontend_parameters); + } 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"); @@ -456,9 +713,265 @@ 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: + { + m_source_span.clear(); + for (std::list >::const_iterator i(m_cue->m_spans.begin()); i != m_cue->m_spans.end(); ++i) + { + off_t offset_in, offset_out; + pts_t pts_in = i->first, pts_out = i->second; + if (m_tstools.getOffset(offset_in, pts_in) || m_tstools.getOffset(offset_out, pts_out)) + { + eDebug("span translation failed.\n"); + continue; + } + eDebug("source span: %llx .. %llx, translated to %llx..%llx", pts_in, pts_out, offset_in, offset_out); + m_source_span.push_back(std::pair(offset_in, offset_out)); + } + 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); + + 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; + + pts_t now = 0; + if (relative) + { + 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; + } + } else if (pts < 0) /* seek relative to end */ + { + pts_t len; + if (!getLength(len)) + { + eDebug("seeking relative to end. len=%lld, seek = %lld", len, pts); + pts += len; + } else + { + eWarning("getLength failed - can't seek relative to end!"); + continue; + } + } + + if (relative == 1) /* pts relative */ + { + pts += now; + if (pts < 0) + pts = 0; + } + + if (relative != 2) + if (pts < 0) + pts = 0; + + if (relative == 2) /* AP relative */ + { + eDebug("AP relative seeking: %lld, at %lld", pts, now); + pts_t nextap; + if (m_tstools.getNextAccessPoint(nextap, now, pts)) + { + pts = now; + eDebug("AP relative seeking failed!"); + } else + { + eDebug("next ap is %llx\n", pts); + pts = nextap; + } + } + + off_t offset = 0; + if (m_tstools.getOffset(offset, pts)) + { + eDebug("get offset for pts=%lld failed!", pts); + continue; + } + + 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; + /* max can not exceed max(size_t). i->second - current_offset, however, can. */ + if ((i->second - current_offset) > max) + size = max; + else + size = i->second - current_offset; + eDebug("HIT, %lld < %lld < %lld, size: %d", i->first, current_offset, i->second, size); + return; + } + if (current_offset < i->first) + { + /* ok, our current offset is in an 'out' zone. */ + if ((m_skipmode_m >= 0) || (i == m_source_span.begin())) + { + /* in normal playback, just start at the next zone. */ + start = i->first; + + /* size is not 64bit! */ + if ((i->second - i->first) > max) + size = max; + else + size = i->second - i->first; + + eDebug("skip"); + if (m_skipmode_m < 0) + { + eDebug("reached SOF"); + /* reached SOF */ + m_skipmode_m = 0; + m_pvr_thread->sendEvent(eFilePushThread::evtUser); + } + } else + { + /* when skipping reverse, however, choose the zone before. */ + --i; + eDebug("skip to previous block, which is %llx..%llx", i->first, i->second); + size_t len; + + if ((i->second - i->first) > max) + len = max; + else + len = i->second - i->first; + + start = i->second - len; + eDebug("skipping to %llx, %d", start, len); + } + return; + } + } + + if ((current_offset < -m_skipmode_m) && (m_skipmode_m < 0)) + { + eDebug("reached SOF"); + m_skipmode_m = 0; + m_pvr_thread->sendEvent(eFilePushThread::evtUser); + } + + start = current_offset; + size = max; + eDebug("END OF CUESHEET. (%08llx, %d)", start, size); + 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() @@ -468,9 +981,14 @@ 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); @@ -478,24 +996,6 @@ 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; - } - if (!m_frontend) { eDebug("no frontend to tune!"); @@ -508,6 +1008,7 @@ RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid) /* if tuning fails, shutdown the channel immediately. */ int res; res = m_frontend->get().tune(*feparm); + m_current_frontend_parameters = feparm; if (res) { @@ -525,6 +1026,12 @@ 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; @@ -538,7 +1045,6 @@ RESULT eDVBChannel::setCIRouting(const eDVBCIRouting &routing) RESULT eDVBChannel::getDemux(ePtr &demux, int cap) { - eDebug("get %d demux", cap); ePtr &our_demux = (cap & capDecode) ? m_decoder_demux : m_demux; if (!our_demux) @@ -547,24 +1053,35 @@ RESULT eDVBChannel::getDemux(ePtr &demux, int cap) if (m_mgr->allocateDemux(m_frontend ? (eDVBRegisteredFrontend*)*m_frontend : (eDVBRegisteredFrontend*)0, our_demux, cap)) return -1; - } demux = *our_demux; + /* don't hold a reference to the decoding demux, we don't need it. */ + + /* FIXME: by dropping the 'allocated demux' in favour of the 'iDVBDemux', + the refcount is lost. thus, decoding demuxes are never allocated. + + this poses a big problem for PiP. */ if (cap & capDecode) - { our_demux = 0; - } return 0; } RESULT eDVBChannel::getFrontend(ePtr &frontend) { + frontend = 0; + if (!m_frontend) + return -ENODEV; frontend = &m_frontend->get(); if (frontend) return 0; - else - return -ENODEV; + return -ENODEV; +} + +RESULT eDVBChannel::getCurrentFrontendParameters(ePtr ¶m) +{ + param = m_current_frontend_parameters; + return 0; } RESULT eDVBChannel::playFile(const char *file) @@ -583,104 +1100,95 @@ 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); - if (m_pvr_fd_src < 0) + + m_pvr_thread = new eFilePushThread(); + m_pvr_thread->enablePVRCommit(1); + m_pvr_thread->setStreamMode(1); + m_pvr_thread->setScatterGather(this); + + if (m_pvr_thread->start(file, m_pvr_fd_dst)) { - eDebug("can't open PVR m_pvr_fd_src file %s (%m)", file); - close(m_pvr_fd_dst); + delete m_pvr_thread; + m_pvr_thread = 0; + eDebug("can't open PVR file %s (%m)", file); return -ENOENT; } - + CONNECT(m_pvr_thread->m_event, eDVBChannel::pvrEvent); + m_state = state_ok; m_stateChanged(this); - - m_pvr_thread = new eFilePushThread(); - m_pvr_thread->start(m_pvr_fd_src, m_pvr_fd_dst); return 0; } +void eDVBChannel::stopFile() +{ + if (m_pvr_thread) + { + m_pvr_thread->stop(); + ::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); - if (r) - { - eDebug("tstools getpts(0) failed!"); - return r; - } - pts_t now; - r = m_decoder_demux->get().getSTC(now); - - if (r) - { - eDebug("demux getSTC failed"); - return -1; - } + int r; -// 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)) + if (mode == 0) /* demux */ { - pos = 0; - return 0; - } - - if (now < pos) /* wrap around */ - pos = now + ((pts_t)1)<<33 - pos; - else - pos = now - pos; - - return 0; -} - -RESULT eDVBChannel::seekTo(int relative, pts_t &pts) -{ - int bitrate = m_tstools.calcBitrate(); /* in bits/s */ - - if (bitrate == -1) - return -1; - - if (relative) - { - pts_t now; - if (getCurrentPosition(now)) + r = decoding_demux->getSTC(now, 0); + if (r) { - eDebug("seekTo: getCurrentPosition failed!"); + eDebug("demux getSTC failed"); return -1; } - pts += now; - } + } else + now = pos; /* fixup supplied */ - if (pts < 0) - pts = 0; + off_t off = 0; /* TODO: fixme */ + r = m_tstools.fixupPTS(off, now); + if (r) + { + eDebug("fixup PTS failed"); + return -1; + } - off_t offset = (pts * (pts_t)bitrate) / 8ULL / 90000ULL; + pos = now; - seekToPosition(offset); return 0; } -RESULT eDVBChannel::seekToPosition(const off_t &r) +void eDVBChannel::flushPVR(iDVBDemux *decoding_demux) { /* when seeking, we have to ensure that all buffers are flushed. there are basically 3 buffers: @@ -692,21 +1200,74 @@ RESULT eDVBChannel::seekToPosition(const off_t &r) the ratebuffer (for example) would immediately refill from the not-yet-flushed PVR buffer. */ - eDebug("eDVBChannel: seekToPosition .. %llx", r); - m_pvr_thread->pause(); + 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 (m_decoder_demux) - m_decoder_demux->get().flush(); + if (decoding_demux) + decoding_demux->flush(); /* demux will also flush all decoder.. */ - m_pvr_thread->seek(SEEK_SET, r); + /* 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) +{ + { + eSingleLocker l(m_lock); + m_seek_requests.push_back(std::pair(relative, pts)); + } + m_event(evtSeek); +} + +void eCueSheet::clear() +{ + eSingleLocker l(m_lock); + m_spans.clear(); +} + +void eCueSheet::addSourceSpan(const pts_t &begin, const pts_t &end) +{ + { + eSingleLocker l(m_lock); + m_spans.push_back(std::pair(begin, end)); + } +} + +void eCueSheet::commitSpans() +{ + m_event(evtSpanChanged); +} + +void eCueSheet::setSkipmode(const pts_t &ratio) +{ + { + eSingleLocker 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; }