X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/3bad22d5566624804a73b3791980bab2d84c8266..a2a9746211af69c5f0c5090468fd656fb71e4b4a:/lib/dvb/dvb.cpp diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp index 29ffa151..9ddc29b3 100644 --- a/lib/dvb/dvb.cpp +++ b/lib/dvb/dvb.cpp @@ -1,8 +1,42 @@ -#include #include +#include +#include #include #include + #include +#include +#include +#include +#include +#include + +DEFINE_REF(eDVBRegisteredFrontend); +DEFINE_REF(eDVBRegisteredDemux); + +DEFINE_REF(eDVBAllocatedFrontend); + +eDVBAllocatedFrontend::eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe): m_fe(fe) +{ + m_fe->m_inuse++; +} + +eDVBAllocatedFrontend::~eDVBAllocatedFrontend() +{ + --m_fe->m_inuse; +} + +DEFINE_REF(eDVBAllocatedDemux); + +eDVBAllocatedDemux::eDVBAllocatedDemux(eDVBRegisteredDemux *demux): m_demux(demux) +{ + m_demux->m_inuse++; +} + +eDVBAllocatedDemux::~eDVBAllocatedDemux() +{ + --m_demux->m_inuse; +} DEFINE_REF(eDVBResourceManager); @@ -12,9 +46,131 @@ eDVBResourceManager::eDVBResourceManager() { avail = 1; busy = 0; - m_sec = new eDVBSatelliteEquipmentControl; + m_sec = new eDVBSatelliteEquipmentControl(m_frontend); if (!instance) instance = this; + + /* search available adapters... */ + + // add linux devices + + int num_adapter = 0; + while (eDVBAdapterLinux::exist(num_adapter)) + { + addAdapter(new eDVBAdapterLinux(num_adapter)); + num_adapter++; + } + + eDebug("found %d adapter, %d frontends and %d demux", + m_adapter.size(), m_frontend.size(), m_demux.size()); +} + + +DEFINE_REF(eDVBAdapterLinux); +eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr) +{ + // scan frontends + int num_fe = 0; + + eDebug("scanning for frontends.."); + while (1) + { + struct stat s; + char filename[128]; +#if HAVE_DVB_API_VERSION < 3 + sprintf(filename, "/dev/dvb/card%d/frontend%d", m_nr, num_fe); +#else + sprintf(filename, "/dev/dvb/adapter%d/frontend%d", m_nr, num_fe); +#endif + if (stat(filename, &s)) + break; + ePtr fe; + + int ok = 0; + fe = new eDVBFrontend(m_nr, num_fe, ok); + if (ok) + m_frontend.push_back(fe); + ++num_fe; + } + + // scan demux + int num_demux = 0; + while (1) + { + struct stat s; + char filename[128]; +#if HAVE_DVB_API_VERSION < 3 + sprintf(filename, "/dev/dvb/card%d/demux%d", m_nr, num_demux); +#else + sprintf(filename, "/dev/dvb/adapter%d/demux%d", m_nr, num_demux); +#endif + if (stat(filename, &s)) + break; + ePtr demux; + + demux = new eDVBDemux(m_nr, num_demux); + m_demux.push_back(demux); + + ++num_demux; + } +} + +int eDVBAdapterLinux::getNumDemux() +{ + return m_demux.size(); +} + +RESULT eDVBAdapterLinux::getDemux(ePtr &demux, int nr) +{ + eSmartPtrList::iterator i(m_demux.begin()); + while (nr && (i != m_demux.end())) + { + --nr; + ++i; + } + + if (i != m_demux.end()) + demux = *i; + else + return -1; + + return 0; +} + +int eDVBAdapterLinux::getNumFrontends() +{ + return m_frontend.size(); +} + +RESULT eDVBAdapterLinux::getFrontend(ePtr &fe, int nr) +{ + eSmartPtrList::iterator i(m_frontend.begin()); + while (nr && (i != m_frontend.end())) + { + --nr; + ++i; + } + + if (i != m_frontend.end()) + fe = *i; + else + return -1; + + return 0; +} + +int eDVBAdapterLinux::exist(int nr) +{ + struct stat s; + char filename[128]; +#if HAVE_DVB_API_VERSION < 3 + sprintf(filename, "/dev/dvb/card%d", nr); +#else + sprintf(filename, "/dev/dvb/adapter%d", nr); +#endif + if (!stat(filename, &s)) + return 1; + return 0; } eDVBResourceManager::~eDVBResourceManager() @@ -23,6 +179,108 @@ eDVBResourceManager::~eDVBResourceManager() instance = 0; } +void eDVBResourceManager::addAdapter(iDVBAdapter *adapter) +{ + int num_fe = adapter->getNumFrontends(); + int num_demux = adapter->getNumDemux(); + + m_adapter.push_back(adapter); + + int i; + for (i=0; i demux; + if (!adapter->getDemux(demux, i)) + m_demux.push_back(new eDVBRegisteredDemux(demux, adapter)); + } + + for (i=0; i frontend; + + if (!adapter->getFrontend(frontend, i)) + { + frontend->setTone(iDVBFrontend::toneOff); + frontend->setVoltage(iDVBFrontend::voltageOff); + frontend->setSEC(m_sec); + m_frontend.push_back(new eDVBRegisteredFrontend(frontend, adapter)); + } + } +} + +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(feparm); + if (c > bestval) + { + c = bestval; + 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; +} + +RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr &demux, int cap) +{ + /* find first unused demux which is on same adapter as frontend (or any, if PVR) + never use the first one unless we need a decoding demux. */ + + eDebug("allocate demux"); + eSmartPtrList::iterator i(m_demux.begin()); + + if (i == m_demux.end()) + return -1; + + int n=0; + /* FIXME: hardware demux policy */ + if (!(cap & iDVBChannel::capDecode)) + ++i, ++n; + + for (; i != m_demux.end(); ++i, ++n) + if ((!i->m_inuse) && ((!fe) || (i->m_adapter == fe->m_adapter))) + { + if ((cap & iDVBChannel::capDecode) && n) + continue; + + demux = new eDVBAllocatedDemux(i); + if (fe) + demux->get().setSourceFrontend(fe->m_frontend->getID()); + else + demux->get().setSourcePVR(0); + return 0; + } + eDebug("demux not found"); + return -1; +} + RESULT eDVBResourceManager::setChannelList(iDVBChannelList *list) { m_list = list; @@ -39,83 +297,150 @@ RESULT eDVBResourceManager::getChannelList(ePtr &list) } -RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, ePtr &channel) +RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr &channel) { - RESULT res; - eDVBChannel *ch; - channel = ch = new eDVBChannel(this, 0, 0, 0); + /* 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.."); + channel = i->m_channel; + return 0; + } + } + + /* no currently available channel is tuned to this channelid. create a new one, if possible. */ - ePtr fe; - if (!channel->getFrontend(fe)) - fe->setSEC(m_sec); + 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(fe, feparm)) + return errNoFrontend; + + RESULT res; + ePtr ch; + ch = new eDVBChannel(this, fe); - res = ch->setChannel(channelid); + res = ch->setChannel(channelid, feparm); if (res) { channel = 0; - return res; + return errChidNotFound; } + + channel = ch; return 0; } -RESULT eDVBResourceManager::allocateRawChannel(ePtr &channel) +RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel, int frontend_index) { - channel = new eDVBChannel(this, 0, 0, 0); - ePtr fe; - if (!channel->getFrontend(fe)) - fe->setSEC(m_sec); + ePtr fe; + + if (allocateFrontendByIndex(fe, frontend_index)) + return errNoFrontend; + eDVBChannel *ch; + ch = new eDVBChannel(this, fe); + + channel = ch; return 0; } -RESULT eDVBResourceManager::allocatePVRChannel(int caps) + +RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr &channel) { - return -1; // will nicht, mag nicht, und das interface ist auch kaputt + ePtr demux; + + eDVBChannel *ch; + ch = new eDVBChannel(this, 0); + + channel = ch; + return 0; } RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch) { - eDebug("add channel %p", ch); - m_active_channels.insert(std::pair(chid, ch)); + m_active_channels.push_back(active_channel(chid, ch)); + /* emit */ m_channelAdded(ch); return 0; } -RESULT eDVBResourceManager::removeChannel(const eDVBChannelID &chid, eDVBChannel *) +RESULT eDVBResourceManager::removeChannel(eDVBChannel *ch) { - int cnt = m_active_channels.erase(chid); - eDebug("remove channel: removed %d channels", cnt); - ASSERT(cnt <= 1); + int cnt = 0; + for (std::list::iterator i(m_active_channels.begin()); i != m_active_channels.end();) + { + if (i->m_channel == ch) + { + i = m_active_channels.erase(i); + ++cnt; + } else + ++i; + } + ASSERT(cnt == 1); if (cnt == 1) return 0; return -ENOENT; } -eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, int adapter, int frontend, int demux): eDVBDemux(adapter, demux), m_state(state_idle), m_mgr(mgr) +RESULT eDVBResourceManager::connectChannelAdded(const Slot1 &channelAdded, ePtr &connection) { - if (frontend >= 0) - { - int ok; - m_frontend = new eDVBFrontend(adapter, frontend, ok); - if (!ok) - { - eDebug("warning, frontend failed"); - m_frontend = 0; - return; - } - m_frontend->connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged); - } + connection = new eConnection((eDVBResourceManager*)this, m_channelAdded.connect(channelAdded)); + return 0; +} + +DEFINE_REF(eDVBChannel); + +eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend): m_state(state_idle), m_mgr(mgr) +{ + m_frontend = frontend; + + m_pvr_thread = 0; + + if (m_frontend) + m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged); } eDVBChannel::~eDVBChannel() { if (m_channel_id) - m_mgr->removeChannel(m_channel_id, this); + 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; + } } void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) { - eDebug("fe state changed!"); int state, ourstate = 0; + + /* if we are already in shutdown, don't change state. */ + if (m_state == state_release) + return; + if (fe->getState(state)) return; @@ -127,10 +452,14 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) { eDebug("OURSTATE: tuning"); ourstate = state_tuning; - } else if (state == iDVBFrontend::stateFailed) + } else if (state == iDVBFrontend::stateLostLock) { - eDebug("OURSTATE: failed/unavailable"); + eDebug("OURSTATE: lost lock"); ourstate = state_unavailable; + } else if (state == iDVBFrontend::stateFailed) + { + eDebug("OURSTATE: failed"); + ourstate = state_failed; } else eFatal("state unknown"); @@ -141,46 +470,54 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) } } -RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid) +void eDVBChannel::AddUse() { - ePtr list; - - if (m_mgr->getChannelList(list)) + ++m_use_count; +} + +void eDVBChannel::ReleaseUse() +{ + if (!--m_use_count) { - eDebug("no channel list set!"); - return -ENOENT; + m_state = state_release; + m_stateChanged(this); } - - eDebug("tuning to chid: ns: %08x tsid %04x onid %04x", - channelid.dvbnamespace.get(), channelid.transport_stream_id.get(), channelid.original_network_id.get()); +} + +RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr &feparm) +{ + if (m_channel_id) + m_mgr->removeChannel(this); + if (!channelid) + return 0; - 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!"); return -ENODEV; } - if (m_channel_id) - m_mgr->removeChannel(m_channel_id, this); m_channel_id = channelid; - m_mgr->addChannel(m_channel_id, this); + m_mgr->addChannel(channelid, this); m_state = state_tuning; - eDebug("%p", &*feparm); - return m_frontend->tune(*feparm); + /* if tuning fails, shutdown the channel immediately. */ + int res; + res = m_frontend->get().tune(*feparm); + + if (res) + { + m_state = state_release; + m_stateChanged(this); + return res; + } + + return 0; } RESULT eDVBChannel::connectStateChange(const Slot1 &stateChange, ePtr &connection) { - connection = new eConnection(this, m_stateChanged.connect(stateChange)); + connection = new eConnection((iDVBChannel*)this, m_stateChanged.connect(stateChange)); return 0; } @@ -195,17 +532,177 @@ RESULT eDVBChannel::setCIRouting(const eDVBCIRouting &routing) return -1; } -RESULT eDVBChannel::getDemux(ePtr &demux) +RESULT eDVBChannel::getDemux(ePtr &demux, int cap) { - demux = this; + eDebug("get %d demux", cap); + ePtr &our_demux = (cap & capDecode) ? m_decoder_demux : m_demux; + + if (!our_demux) + { + demux = 0; + + if (m_mgr->allocateDemux(m_frontend ? (eDVBRegisteredFrontend*)*m_frontend : (eDVBRegisteredFrontend*)0, our_demux, cap)) + return -1; + + } + + demux = *our_demux; + if (cap & capDecode) + { + our_demux = 0; + } return 0; } RESULT eDVBChannel::getFrontend(ePtr &frontend) { - frontend = m_frontend; + frontend = &m_frontend->get(); if (frontend) return 0; else return -ENODEV; } + +RESULT eDVBChannel::playFile(const char *file) +{ + ASSERT(!m_frontend); + if (m_pvr_thread) + { + m_pvr_thread->stop(); + delete m_pvr_thread; + m_pvr_thread = 0; + } + + m_tstools.openFile(file); + + /* DON'T EVEN THINK ABOUT FIXING THIS. FIX THE ATI SOURCES FIRST, + THEN DO A REAL FIX HERE! */ + + /* (this codepath needs to be improved anyway.) */ + m_pvr_fd_dst = open("/dev/misc/pvr", O_WRONLY); + if (m_pvr_fd_dst < 0) + { + 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) + { + eDebug("can't open PVR m_pvr_fd_src file %s (%m)", file); + close(m_pvr_fd_dst); + return -ENOENT; + } + + 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; +} + +RESULT eDVBChannel::getLength(pts_t &len) +{ + return m_tstools.calcLen(len); +} + +RESULT eDVBChannel::getCurrentPosition(iDVBDemux *decoding_demux, pts_t &pos) +{ + 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 = decoding_demux->getSTC(now); + + if (r) + { + eDebug("demux getSTC failed"); + return -1; + } + +// 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)) + { + 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(iDVBDemux *decoding_demux, 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(decoding_demux, now)) + { + eDebug("seekTo: getCurrentPosition failed!"); + return -1; + } + pts += now; + } + + if (pts < 0) + pts = 0; + + off_t offset = (pts * (pts_t)bitrate) / 8ULL / 90000ULL; + + seekToPosition(decoding_demux, offset); + return 0; +} + +RESULT eDVBChannel::seekToPosition(iDVBDemux *decoding_demux, const off_t &r) +{ + /* 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. + */ + eDebug("eDVBChannel: seekToPosition .. %llx", r); + 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.. */ + m_pvr_thread->seek(SEEK_SET, r); + m_pvr_thread->resume(); + return 0; +}