X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/3cddda083f4ace59e279f9f4f6ae12bad079d33b..a2a9746211af69c5f0c5090468fd656fb71e4b4a:/lib/dvb/dvb.cpp diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp index 9a355615..9ddc29b3 100644 --- a/lib/dvb/dvb.cpp +++ b/lib/dvb/dvb.cpp @@ -1,12 +1,15 @@ -#include #include +#include +#include #include #include -#include +#include #include #include #include +#include +#include DEFINE_REF(eDVBRegisteredFrontend); DEFINE_REF(eDVBRegisteredDemux); @@ -43,7 +46,7 @@ eDVBResourceManager::eDVBResourceManager() { avail = 1; busy = 0; - m_sec = new eDVBSatelliteEquipmentControl; + m_sec = new eDVBSatelliteEquipmentControl(m_frontend); if (!instance) instance = this; @@ -74,7 +77,11 @@ eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr) { 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; @@ -92,7 +99,11 @@ eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr) { 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; @@ -152,7 +163,11 @@ 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; @@ -162,7 +177,6 @@ eDVBResourceManager::~eDVBResourceManager() { if (instance == this) instance = 0; - } void eDVBResourceManager::addAdapter(iDVBAdapter *adapter) @@ -183,32 +197,87 @@ void eDVBResourceManager::addAdapter(iDVBAdapter *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(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) + { + 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) +RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr &demux, int cap) { - /* find first unused demux which is on same adapter as frontend */ - for (eSmartPtrList::iterator i(m_demux.begin()); i != m_demux.end(); ++i) - if ((!i->m_inuse) && (i->m_adapter == fe->m_adapter)) + /* 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; } @@ -228,42 +297,49 @@ RESULT eDVBResourceManager::getChannelList(ePtr &list) } -RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, ePtr &channel) +RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr &channel) { /* first, check if a channel is already existing. */ - for (std::list::iterator i(m_active_channels.begin()); i != m_active_channels.end();) +// 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. */ - - /* 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; - ePtr demux; - - if (allocateDemux(*fe, demux)) - return errNoDemux; - RESULT res; - eDVBChannel *ch; - ch = new eDVBChannel(this, fe, demux); - - ePtr myfe; - if (!ch->getFrontend(myfe)) - myfe->setSEC(m_sec); + ePtr ch; + ch = new eDVBChannel(this, fe); - res = ch->setChannel(channelid); + res = ch->setChannel(channelid, feparm); if (res) { channel = 0; @@ -274,38 +350,36 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, ePtr return 0; } -RESULT eDVBResourceManager::allocateRawChannel(ePtr &channel) +RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel, int frontend_index) { ePtr fe; - - if (allocateFrontend(eDVBChannelID(), fe)) + + if (allocateFrontendByIndex(fe, frontend_index)) return errNoFrontend; - ePtr demux; - - if (allocateDemux(*fe, demux)) - return errNoDemux; - eDVBChannel *ch; - ch = new eDVBChannel(this, fe, demux); - - ePtr myfe; - if (!ch->getFrontend(myfe)) - myfe->setSEC(m_sec); + 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.push_back(active_channel(chid, ch)); + /* emit */ m_channelAdded(ch); return 0; } @@ -327,12 +401,19 @@ RESULT eDVBResourceManager::removeChannel(eDVBChannel *ch) return -ENOENT; } +RESULT eDVBResourceManager::connectChannelAdded(const Slot1 &channelAdded, ePtr &connection) +{ + connection = new eConnection((eDVBResourceManager*)this, m_channelAdded.connect(channelAdded)); + return 0; +} + DEFINE_REF(eDVBChannel); -eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend, eDVBAllocatedDemux *demux): m_state(state_idle), m_mgr(mgr) +eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend): m_state(state_idle), m_mgr(mgr) { m_frontend = frontend; - m_demux = demux; + + m_pvr_thread = 0; if (m_frontend) m_frontend->get().connectStateChange(slot(*this, &eDVBChannel::frontendStateChanged), m_conn_frontendStateChanged); @@ -342,12 +423,24 @@ 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; + } } 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; @@ -359,10 +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"); @@ -373,7 +470,21 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe) } } -RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid) +void eDVBChannel::AddUse() +{ + ++m_use_count; +} + +void eDVBChannel::ReleaseUse() +{ + if (!--m_use_count) + { + m_state = state_release; + m_stateChanged(this); + } +} + +RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid, ePtr &feparm) { if (m_channel_id) m_mgr->removeChannel(this); @@ -381,25 +492,6 @@ 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!"); @@ -409,7 +501,18 @@ 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); + + if (res) + { + m_state = state_release; + m_stateChanged(this); + return res; + } + + return 0; } RESULT eDVBChannel::connectStateChange(const Slot1 &stateChange, ePtr &connection) @@ -429,9 +532,25 @@ RESULT eDVBChannel::setCIRouting(const eDVBCIRouting &routing) return -1; } -RESULT eDVBChannel::getDemux(ePtr &demux) +RESULT eDVBChannel::getDemux(ePtr &demux, int cap) { - demux = &m_demux->get(); + 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; } @@ -443,3 +562,147 @@ RESULT eDVBChannel::getFrontend(ePtr &frontend) 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; +}