X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/ed40f6f85c9c07c3c1224ae20601082c0309a631..0c59a4279f93f08fe95fca5f2e55f3e025f0cceb:/lib/dvb/dvb.cpp diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp index ad146542..68d9a0dd 100644 --- a/lib/dvb/dvb.cpp +++ b/lib/dvb/dvb.cpp @@ -2,6 +2,7 @@ #include #include #include +#include #include #include @@ -60,11 +61,12 @@ ePtr NewResourceManagerPtr(void) } eDVBResourceManager::eDVBResourceManager() - :m_releaseCachedChannelTimer(eApp) + :m_releaseCachedChannelTimer(eTimer::create(eApp)) { avail = 1; busy = 0; - m_sec = new eDVBSatelliteEquipmentControl(m_frontend); + m_sec = new eDVBSatelliteEquipmentControl(m_frontend, m_simulate_frontend); + if (!instance) instance = this; @@ -79,10 +81,12 @@ eDVBResourceManager::eDVBResourceManager() num_adapter++; } - eDebug("found %d adapter, %d frontends and %d demux", - m_adapter.size(), m_frontend.size(), m_demux.size()); + eDebug("found %d adapter, %d frontends(%d sim) and %d demux", + m_adapter.size(), m_frontend.size(), m_simulate_frontend.size(), m_demux.size()); + + eDVBCAService::registerChannelCallback(this); - CONNECT(m_releaseCachedChannelTimer.timeout, eDVBResourceManager::releaseCachedChannel); + CONNECT(m_releaseCachedChannelTimer->timeout, eDVBResourceManager::releaseCachedChannel); } void eDVBResourceManager::feStateChanged() @@ -90,7 +94,7 @@ 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() ); + mask |= ( 1 << i->m_frontend->getSlotID() ); /* emit */ frontendUseMaskChanged(mask); } @@ -114,10 +118,18 @@ eDVBAdapterLinux::eDVBAdapterLinux(int nr): m_nr(nr) break; ePtr fe; - int ok = 0; - fe = new eDVBFrontend(m_nr, num_fe, ok); - if (ok) - m_frontend.push_back(fe); + { + int ok = 0; + fe = new eDVBFrontend(m_nr, num_fe, ok); + if (ok) + m_frontend.push_back(fe); + } + { + int ok = 0; + fe = new eDVBFrontend(m_nr, num_fe, ok, true); + if (ok) + m_simulate_frontend.push_back(fe); + } ++num_fe; } @@ -170,9 +182,9 @@ int eDVBAdapterLinux::getNumFrontends() return m_frontend.size(); } -RESULT eDVBAdapterLinux::getFrontend(ePtr &fe, int nr) +RESULT eDVBAdapterLinux::getFrontend(ePtr &fe, int nr, bool simulate) { - eSmartPtrList::iterator i(m_frontend.begin()); + eSmartPtrList::iterator i(simulate ? m_simulate_frontend.begin() : m_frontend.begin()); while (nr && (i != m_frontend.end())) { --nr; @@ -239,53 +251,166 @@ void eDVBResourceManager::addAdapter(iDVBAdapter *adapter) { 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->m_frontend->setData(eDVBFrontend::LINKED_NEXT_PTR, (long)new_fe); + frontend->setData(eDVBFrontend::LINKED_PREV_PTR, (long)&(*prev_dvbt_frontend)); } prev_dvbt_frontend = new_fe; } } } + + prev_dvbt_frontend = 0; + for (i=0; i frontend; + if (!adapter->getFrontend(frontend, i, true)) + { + int frontendType=0; + frontend->getFrontendType(frontendType); + eDVBRegisteredFrontend *new_fe = new eDVBRegisteredFrontend(frontend, adapter); +// CONNECT(new_fe->stateChanged, eDVBResourceManager::feStateChanged); + m_simulate_frontend.push_back(new_fe); + frontend->setSEC(m_sec); + // 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, (long)new_fe); + frontend->setData(eDVBFrontend::LINKED_PREV_PTR, (long)&(*prev_dvbt_frontend)); + } + prev_dvbt_frontend = new_fe; + } + } + } + } -RESULT eDVBResourceManager::allocateFrontend(ePtr &fe, ePtr &feparm) +PyObject *eDVBResourceManager::setFrontendSlotInformations(ePyObject list) { + if (!PyList_Check(list)) + { + PyErr_SetString(PyExc_StandardError, "eDVBResourceManager::setFrontendSlotInformations argument should be a python list"); + return NULL; + } + if ((unsigned int)PyList_Size(list) != m_frontend.size()) + { + char blasel[256]; + sprintf(blasel, "eDVBResourceManager::setFrontendSlotInformations list size incorrect %d frontends avail, but %d entries in slotlist", + m_frontend.size(), PyList_Size(list)); + PyErr_SetString(PyExc_StandardError, blasel); + return NULL; + } + int pos=0; + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) + { + ePyObject obj = PyList_GET_ITEM(list, pos++); + if (!i->m_frontend->setSlotInfo(obj)) + return NULL; + } + pos=0; + for (eSmartPtrList::iterator i(m_simulate_frontend.begin()); i != m_simulate_frontend.end(); ++i) + { + ePyObject obj = PyList_GET_ITEM(list, pos++); + if (!i->m_frontend->setSlotInfo(obj)) + return NULL; + } + Py_RETURN_NONE; +} + +RESULT eDVBResourceManager::allocateFrontend(ePtr &fe, ePtr &feparm, bool simulate) +{ + eSmartPtrList &frontends = simulate ? m_simulate_frontend : m_frontend; ePtr best; int bestval = 0; + int foundone = 0; + + for (eSmartPtrList::iterator i(frontends.begin()); i != frontends.end(); ++i) + { + int c = i->m_frontend->isCompatibleWith(feparm); + + if (c) /* if we have at least one frontend which is compatible with the source, flag this. */ + foundone = 1; - for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) if (!i->m_inuse) { - int c = i->m_frontend->isCompatibleWith(feparm); +// eDebug("Slot %d, score %d", i->m_frontend->getSlotID(), c); if (c > bestval) { bestval = c; best = i; } } +// else +// eDebug("Slot %d, score %d... but BUSY!!!!!!!!!!!", i->m_frontend->getSlotID(), c); + } if (best) { fe = new eDVBAllocatedFrontend(best); return 0; } - + fe = 0; - - return -1; + + if (foundone) + return errAllSourcesBusy; + else + return errNoSourceFound; } -RESULT eDVBResourceManager::allocateFrontendByIndex(ePtr &fe, int nr) +RESULT eDVBResourceManager::allocateFrontendByIndex(ePtr &fe, int slot_index) { - for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i, --nr) - if ((!nr) && !i->m_inuse) + int err = errNoSourceFound; + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) + if (!i->m_inuse && i->m_frontend->getSlotID() == slot_index) { + // check if another slot linked to this is in use + long tmp; + i->m_frontend->getData(eDVBFrontend::SATPOS_DEPENDS_PTR, tmp); + if ( tmp != -1 ) + { + eDVBRegisteredFrontend *satpos_depends_to_fe = (eDVBRegisteredFrontend *)tmp; + if (satpos_depends_to_fe->m_inuse) + { + eDebug("another satpos depending frontend is in use.. so allocateFrontendByIndex not possible!"); + err = errAllSourcesBusy; + goto alloc_fe_by_id_not_possible; + } + } + else // check linked tuners + { + i->m_frontend->getData(eDVBFrontend::LINKED_NEXT_PTR, tmp); + while ( tmp != -1 ) + { + eDVBRegisteredFrontend *next = (eDVBRegisteredFrontend *) tmp; + if (next->m_inuse) + { + eDebug("another linked frontend is in use.. so allocateFrontendByIndex not possible!"); + err = errAllSourcesBusy; + goto alloc_fe_by_id_not_possible; + } + next->m_frontend->getData(eDVBFrontend::LINKED_NEXT_PTR, tmp); + } + i->m_frontend->getData(eDVBFrontend::LINKED_PREV_PTR, tmp); + while ( tmp != -1 ) + { + eDVBRegisteredFrontend *prev = (eDVBRegisteredFrontend *) tmp; + if (prev->m_inuse) + { + eDebug("another linked frontend is in use.. so allocateFrontendByIndex not possible!"); + err = errAllSourcesBusy; + goto alloc_fe_by_id_not_possible; + } + prev->m_frontend->getData(eDVBFrontend::LINKED_PREV_PTR, tmp); + } + } fe = new eDVBAllocatedFrontend(i); return 0; } - +alloc_fe_by_id_not_possible: fe = 0; - return -1; + return err; } RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr &demux, int cap) @@ -295,40 +420,80 @@ RESULT eDVBResourceManager::allocateDemux(eDVBRegisteredFrontend *fe, ePtr::iterator i(m_demux.begin()); - + + int n=0; + if (i == m_demux.end()) return -1; - - int n=0; - /* FIXME: hardware demux policy */ - if (!(cap & iDVBChannel::capDecode)) + + ePtr unused; + + if (m_demux.size() < 5) { - if (m_demux.size() > 2) /* assumed to be true, otherwise we have lost anyway */ + /* FIXME: hardware demux policy */ + if (!(cap & iDVBChannel::capDecode)) { - ++i, ++n; - ++i, ++n; + if (m_demux.size() > 2) /* assumed to be true, otherwise we have lost anyway */ + { + ++i, ++n; + ++i, ++n; + } } - } - - for (; i != m_demux.end(); ++i, ++n) - { - int is_decode = n < 2; + + for (; i != m_demux.end(); ++i, ++n) + { + int is_decode = n < 2; - int in_use = is_decode ? (i->m_demux->getRefCount() != 2) : i->m_inuse; + int in_use = is_decode ? (i->m_demux->getRefCount() != 2) : i->m_inuse; - if ((!in_use) && ((!fe) || (i->m_adapter == fe->m_adapter))) + if ((!in_use) && ((!fe) || (i->m_adapter == fe->m_adapter))) + { + if ((cap & iDVBChannel::capDecode) && !is_decode) + continue; + unused = i; + break; + } + } + } + else // we asume dm8000 + { + for (; i != m_demux.end(); ++i, ++n) { - if ((cap & iDVBChannel::capDecode) && !is_decode) - continue; - - demux = new eDVBAllocatedDemux(i); if (fe) - demux->get().setSourceFrontend(fe->m_frontend->getID()); - else - demux->get().setSourcePVR(0); - return 0; + { + if (!i->m_inuse) + { + if (!unused) + unused = i; + } + else if (i->m_adapter == fe->m_adapter && + i->m_demux->getSource() == fe->m_frontend->getDVBID()) + { + demux = new eDVBAllocatedDemux(i); + return 0; + } + } + else if (n == 4) // always use demux4 for PVR (demux 4 can not descramble...) + { + if (i->m_inuse) { + demux = new eDVBAllocatedDemux(i); + return 0; + } + unused = i; + } } } + + if (unused) + { + demux = new eDVBAllocatedDemux(unused); + if (fe) + demux->get().setSourceFrontend(fe->m_frontend->getDVBID()); + else + demux->get().setSourcePVR(0); + return 0; + } + eDebug("demux not found"); return -1; } @@ -348,11 +513,24 @@ RESULT eDVBResourceManager::getChannelList(ePtr &list) return -ENOENT; } -RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr &channel) +#define eDebugNoSimulate(x...) \ + do { \ + if (!simulate) \ + eDebug(x); \ + } while(0) +// else \ +// { \ +// eDebugNoNewLine("SIMULATE:"); \ +// eDebug(x); \ +// } \ + + +RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUsePtr &channel, bool simulate) { /* first, check if a channel is already existing. */ + std::list &active_channels = simulate ? m_active_simulate_channels : m_active_channels; - if (m_cached_channel) + if (!simulate && m_cached_channel) { eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel); if(channelid==cache_chan->getChannelID()) @@ -363,46 +541,46 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUse } m_cached_channel_state_changed_conn.disconnect(); m_cached_channel=0; - m_releaseCachedChannelTimer.stop(); + 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) + eDebugNoSimulate("allocate channel.. %04x:%04x", channelid.transport_stream_id.get(), channelid.original_network_id.get()); + for (std::list::iterator i(active_channels.begin()); i != 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()); + eDebugNoSimulate("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.."); + eDebugNoSimulate("found shared channel.."); channel = i->m_channel; return 0; } } - + /* 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; + eDebugNoSimulate("no channel list set!"); + return errNoChannelList; } ePtr feparm; if (m_list->getChannelFrontendData(channelid, feparm)) { - eDebug("channel not found!"); - return -ENOENT; + eDebugNoSimulate("channel not found!"); + return errChannelNotInList; } /* allocate a frontend. */ ePtr fe; - - if (allocateFrontend(fe, feparm)) - return errNoFrontend; + + int err = allocateFrontend(fe, feparm, simulate); + if (err) + return err; RESULT res; - ePtr ch; - ch = new eDVBChannel(this, fe); + ePtr ch = new eDVBChannel(this, fe); res = ch->setChannel(channelid, feparm); if (res) @@ -410,9 +588,15 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUse channel = 0; return errChidNotFound; } - m_cached_channel = channel = ch; - m_cached_channel_state_changed_conn = - CONNECT(ch->m_stateChanged,eDVBResourceManager::DVBChannelStateChanged); + + if (simulate) + channel = ch; + else + { + m_cached_channel = channel = ch; + m_cached_channel_state_changed_conn = + CONNECT(ch->m_stateChanged,eDVBResourceManager::DVBChannelStateChanged); + } return 0; } @@ -427,13 +611,13 @@ void eDVBResourceManager::DVBChannelStateChanged(iDVBChannel *chan) case iDVBChannel::state_ok: { eDebug("stop release channel timer"); - m_releaseCachedChannelTimer.stop(); + m_releaseCachedChannelTimer->stop(); break; } case iDVBChannel::state_last_instance: { eDebug("start release channel timer"); - m_releaseCachedChannelTimer.start(3000, true); + m_releaseCachedChannelTimer->start(3000, true); break; } default: // ignore all other events @@ -447,7 +631,7 @@ void eDVBResourceManager::releaseCachedChannel() m_cached_channel=0; } -RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel, int frontend_index) +RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel, int slot_index) { ePtr fe; @@ -455,16 +639,14 @@ RESULT eDVBResourceManager::allocateRawChannel(eUsePtr &channel, in { m_cached_channel_state_changed_conn.disconnect(); m_cached_channel=0; - m_releaseCachedChannelTimer.stop(); + m_releaseCachedChannelTimer->stop(); } - if (allocateFrontendByIndex(fe, frontend_index)) - return errNoFrontend; - - eDVBChannel *ch; - ch = new eDVBChannel(this, fe); + int err = allocateFrontendByIndex(fe, slot_index); + if (err) + return err; - channel = ch; + channel = new eDVBChannel(this, fe); return 0; } @@ -473,42 +655,55 @@ RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr &channel) { ePtr demux; - if (m_cached_channel && m_releaseCachedChannelTimer.isActive()) + if (m_cached_channel && m_releaseCachedChannelTimer->isActive()) { m_cached_channel_state_changed_conn.disconnect(); m_cached_channel=0; - m_releaseCachedChannelTimer.stop(); + m_releaseCachedChannelTimer->stop(); } - eDVBChannel *ch; - ch = new eDVBChannel(this, 0); - - channel = ch; + channel = new eDVBChannel(this, 0); return 0; } RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch) { - m_active_channels.push_back(active_channel(chid, ch)); - /* emit */ m_channelAdded(ch); + ePtr fe; + if (!ch->getFrontend(fe)) + { + eDVBFrontend *frontend = (eDVBFrontend*)&(*fe); + if (frontend->is_simulate()) + m_active_simulate_channels.push_back(active_channel(chid, ch)); + else + { + m_active_channels.push_back(active_channel(chid, ch)); + /* emit */ m_channelAdded(ch); + } + } return 0; } RESULT eDVBResourceManager::removeChannel(eDVBChannel *ch) { - int cnt = 0; - for (std::list::iterator i(m_active_channels.begin()); i != m_active_channels.end();) + ePtr fe; + if (!ch->getFrontend(fe)) { - if (i->m_channel == ch) + eDVBFrontend *frontend = (eDVBFrontend*)&(*fe); + std::list &active_channels = frontend->is_simulate() ? m_active_simulate_channels : m_active_channels; + int cnt = 0; + for (std::list::iterator i(active_channels.begin()); i != active_channels.end();) { - i = m_active_channels.erase(i); - ++cnt; - } else - ++i; + if (i->m_channel == ch) + { + i = active_channels.erase(i); + ++cnt; + } else + ++i; + } + ASSERT(cnt == 1); + if (cnt == 1) + return 0; } - ASSERT(cnt == 1); - if (cnt == 1) - return 0; return -ENOENT; } @@ -530,18 +725,44 @@ int eDVBResourceManager::canAllocateFrontend(ePtr &fepar if (c > bestval) bestval = c; } - return bestval; } +int tuner_type_channel_default(ePtr &channellist, const eDVBChannelID &chid) +{ + if (channellist) + { + ePtr feparm; + if (!channellist->getChannelFrontendData(chid, feparm)) + { + int system; + if (!feparm->getSystem(system)) + { + switch(system) + { + case iDVBFrontend::feSatellite: + return 50000; + case iDVBFrontend::feCable: + return 40000; + case iDVBFrontend::feTerrestrial: + return 30000; + default: + break; + } + } + } + } + return 0; +} + int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, const eDVBChannelID& ignore) { - int ret=30000; + int ret=0; if (m_cached_channel) { eDVBChannel *cache_chan = (eDVBChannel*)&(*m_cached_channel); if(channelid==cache_chan->getChannelID()) - return ret; + return tuner_type_channel_default(m_list, channelid); } /* first, check if a channel is already existing. */ @@ -552,7 +773,7 @@ int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, cons if (i->m_channel_id == channelid) { // eDebug("found shared channel.."); - return ret; + return tuner_type_channel_default(m_list, channelid); } } @@ -622,14 +843,12 @@ int eDVBResourceManager::canAllocateChannel(const eDVBChannelID &channelid, cons 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; } @@ -644,6 +863,195 @@ error: return ret; } +bool eDVBResourceManager::canMeasureFrontendInputPower() +{ + for (eSmartPtrList::iterator i(m_frontend.begin()); i != m_frontend.end(); ++i) + { + return i->m_frontend->readInputpower() >= 0; + } + return false; +} + +class eDVBChannelFilePush: public eFilePushThread +{ +public: + eDVBChannelFilePush() { setIFrameSearch(0); setTimebaseChange(0); } + void setIFrameSearch(int enabled) { m_iframe_search = enabled; m_iframe_state = 0; } + + /* "timebase change" is for doing trickmode playback at an exact speed, even when pictures are skipped. */ + /* you need to set it to 1/16 if you want 16x playback, for example. you need video master sync. */ + void setTimebaseChange(int ratio) { m_timebase_change = ratio; } /* 16bit fixpoint, 0 for disable */ +protected: + int m_iframe_search, m_iframe_state, m_pid; + int m_timebase_change; + int filterRecordData(const unsigned char *data, int len, size_t ¤t_span_remaining); +}; + +int eDVBChannelFilePush::filterRecordData(const unsigned char *_data, int len, size_t ¤t_span_remaining) +{ +#if 0 + if (m_timebase_change) + { + eDebug("timebase change: %d", m_timebase_change); + int offset; + for (offset = 0; offset < len; offset += 188) + { + unsigned char *pkt = (unsigned char*)_data + offset; + if (pkt[1] & 0x40) /* pusi */ + { + if (pkt[3] & 0x20) // adaption field present? + pkt += pkt[4] + 4 + 1; /* skip adaption field and header */ + else + pkt += 4; /* skip header */ + if (pkt[0] || pkt[1] || (pkt[2] != 1)) + { + eWarning("broken startcode"); + continue; + } + + pts_t pts = 0; + + if (pkt[7] & 0x80) // PTS present? + { + pts = ((unsigned long long)(pkt[ 9]&0xE)) << 29; + pts |= ((unsigned long long)(pkt[10]&0xFF)) << 22; + pts |= ((unsigned long long)(pkt[11]&0xFE)) << 14; + pts |= ((unsigned long long)(pkt[12]&0xFF)) << 7; + pts |= ((unsigned long long)(pkt[13]&0xFE)) >> 1; + +#if 0 + off_t off = 0; + RESULT r = m_tstools.fixupPTS(off, pts); + if (r) + eWarning("fixup PTS while trickmode playback failed.\n"); +#endif + + int sec = pts / 90000; + int frm = pts % 90000; + int min = sec / 60; + sec %= 60; + int hr = min / 60; + min %= 60; + int d = hr / 24; + hr %= 24; + +// eDebug("original, fixed pts: %016llx %d:%02d:%02d:%02d:%05d", pts, d, hr, min, sec, frm); + + pts += 0x80000000LL; + pts *= m_timebase_change; + pts >>= 16; + + sec = pts / 90000; + frm = pts % 90000; + min = sec / 60; + sec %= 60; + hr = min / 60; + min %= 60; + d = hr / 24; + hr %= 24; + +// eDebug("new pts (after timebase change): %016llx %d:%02d:%02d:%02d:%05d", pts, d, hr, min, sec, frm); + + pkt[9] &= ~0xE; + pkt[10] = 0; + pkt[11] &= ~1; + pkt[12] = 0; + pkt[13] &= ~1; + + pkt[9] |= (pts >> 29) & 0xE; + pkt[10] |= (pts >> 22) & 0xFF; + pkt[11] |= (pts >> 14) & 0xFE; + pkt[12] |= (pts >> 7) & 0xFF; + pkt[13] |= (pts << 1) & 0xFE; + } + } + } + } +#endif + +#if 1 /* not yet */ + if (!m_iframe_search) + return len; + + unsigned char *data = (unsigned char*)_data; /* remove that const. we know what we are doing. */ + +// eDebug("filterRecordData, size=%d (mod 188=%d), first byte is %02x", len, len %188, data[0]); + + unsigned char *d = data; + while ((d = (unsigned char*)memmem(d, data + len - d, "\x00\x00\x01", 3))) + { + int offset = d - data; + int ts_offset = offset - offset % 188; /* offset to the start of TS packet */ + unsigned char *ts = data + ts_offset; + int pid = ((ts[1] << 8) | ts[2]) & 0x1FFF; + + if ((d[3] == 0) && (m_pid == pid)) /* picture start */ + { + int picture_type = (d[5] >> 3) & 7; + d += 4; + +// eDebug("%d-frame at %d, offset in TS packet: %d, pid=%04x", picture_type, offset, offset % 188, pid); + + if (m_iframe_state == 1) + { + /* we are allowing data, and stop allowing data on the next frame. + we now found a frame. so stop here. */ + memset(data + offset, 0, 188 - (offset%188)); /* zero out rest of TS packet */ + current_span_remaining = 0; + m_iframe_state = 0; + unsigned char *fts = ts + 188; + while (fts < (data + len)) + { + fts[1] |= 0x1f; + fts[2] |= 0xff; /* drop packet */ + fts += 188; + } + + return len; // ts_offset + 188; /* deliver this packet, but not more. */ + } else + { + if (picture_type != 1) /* we are only interested in I frames */ + continue; + + unsigned char *fts = data; + while (fts < ts) + { + fts[1] |= 0x1f; + fts[2] |= 0xff; /* drop packet */ + + fts += 188; + } + /* force payload only */ + ts[3] &= ~0x30; + ts[3] |= 0x10; + +// memset(ts + 4, 0xFF, (offset % 188) - 4); + + m_iframe_state = 1; + } + } else if ((d[3] & 0xF0) == 0xE0) /* video stream */ + { + if (m_pid != pid) + { + eDebug("now locked to pid %04x", pid); + m_pid = pid; + } +// m_pid = 0x6e; + d += 4; + } else + d += 4; /* ignore */ + + } + + if (m_iframe_state == 1) + return len; + else + return 0; /* we need find an iframe first */ +#else + return len; +#endif +} + DEFINE_REF(eDVBChannel); eDVBChannel::eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend): m_state(state_idle), m_mgr(mgr) @@ -730,6 +1138,9 @@ void eDVBChannel::pvrEvent(int event) void eDVBChannel::cueSheetEvent(int event) { + /* we might end up here if playing failed or stopped, but the client hasn't (yet) noted. */ + if (!m_pvr_thread) + return; switch (event) { case eCueSheet::evtSeek: @@ -739,8 +1150,10 @@ void eDVBChannel::cueSheetEvent(int event) case eCueSheet::evtSkipmode: { { - eSingleLocker l(m_cue->m_lock); + m_cue->m_lock.WrLock(); m_cue->m_seek_requests.push_back(std::pair(1, 0)); /* resync */ + m_cue->m_lock.Unlock(); + eRdLocker l(m_cue->m_lock); if (m_cue->m_skipmode_ratio) { int bitrate = m_tstools.calcBitrate(); /* in bits/s */ @@ -748,25 +1161,31 @@ void eDVBChannel::cueSheetEvent(int event) /* 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; } } + m_pvr_thread->setIFrameSearch(m_skipmode_n != 0); + if (m_cue->m_skipmode_ratio != 0) + m_pvr_thread->setTimebaseChange(0x10000 * 9000 / (m_cue->m_skipmode_ratio / 10)); /* negative values are also ok */ + else + m_pvr_thread->setTimebaseChange(0); /* normal playback */ + eDebug("flush pvr"); flushPVR(m_cue->m_decoding_demux); + eDebug("done"); break; } case eCueSheet::evtSpanChanged: @@ -789,10 +1208,28 @@ void eDVBChannel::cueSheetEvent(int event) } } + /* align toward zero */ +static inline long long align(long long x, int align) +{ + int sign = x < 0; + + if (sign) + x = -x; + + x -= x % align; + + if (sign) + x = -x; + + return x; +} + /* 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; + const int blocksize = 188; + unsigned int max = align(10*1024*1024, blocksize); + current_offset = align(current_offset, blocksize); if (!m_cue) { @@ -802,30 +1239,34 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off return; } - eSingleLocker l(m_cue->m_lock); - + m_cue->m_lock.RdLock(); if (!m_cue->m_decoding_demux) { start = current_offset; size = max; eDebug("getNextSourceSpan, no decoding demux. forcing normal play"); + m_cue->m_lock.Unlock(); return; } - + if (m_skipmode_n) { eDebug("skipmode %d:%d", m_skipmode_m, m_skipmode_n); - max = m_skipmode_n; + max = align(m_skipmode_n, blocksize); } - - eDebug("getNextSourceSpan, current offset is %08llx!", current_offset); - - current_offset += m_skipmode_m; - + + eDebug("getNextSourceSpan, current offset is %08llx, m_skipmode_m = %d!", current_offset, m_skipmode_m); + + current_offset += align(m_skipmode_m, blocksize); + while (!m_cue->m_seek_requests.empty()) { std::pair seek = m_cue->m_seek_requests.front(); + m_cue->m_lock.Unlock(); + m_cue->m_lock.WrLock(); m_cue->m_seek_requests.pop_front(); + m_cue->m_lock.Unlock(); + m_cue->m_lock.RdLock(); int relative = seek.first; pts_t pts = seek.second; @@ -847,6 +1288,18 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off 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 */ @@ -866,7 +1319,7 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off pts_t nextap; if (m_tstools.getNextAccessPoint(nextap, now, pts)) { - pts = now; + pts = now - 90000; /* approx. 1s */ eDebug("AP relative seeking failed!"); } else { @@ -877,38 +1330,46 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off 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; + current_offset = align(offset, blocksize); /* in case tstools return non-aligned offset */ } - + + m_cue->m_lock.Unlock(); + 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)) + long long aligned_start = align(i->first, blocksize); + long long aligned_end = align(i->second, blocksize); + + if ((current_offset >= aligned_start) && (current_offset < aligned_end)) { start = current_offset; - /* max can not exceed max(size_t). i->second - current_offset, however, can. */ - if ((i->second - current_offset) > max) + /* max can not exceed max(size_t). aligned_end - current_offset, however, can. */ + if ((aligned_end - current_offset) > max) size = max; else - size = i->second - current_offset; + size = aligned_end - current_offset; eDebug("HIT, %lld < %lld < %lld, size: %d", i->first, current_offset, i->second, size); return; } - if (current_offset < i->first) + if (current_offset < aligned_start) { /* 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; + size = aligned_end - aligned_start; eDebug("skip"); if (m_skipmode_m < 0) @@ -924,28 +1385,34 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off --i; eDebug("skip to previous block, which is %llx..%llx", i->first, i->second); size_t len; - - if ((i->second - i->first) > max) + + aligned_start = align(i->first, blocksize); + aligned_end = align(i->second, blocksize); + + if ((aligned_end - aligned_start) > max) len = max; else - len = i->second - i->first; + len = aligned_end - aligned_start; - start = i->second - len; + start = aligned_end - len; eDebug("skipping to %llx, %d", start, len); } + + eDebug("result: %llx, %x (%llx %llx)", start, size, aligned_start, aligned_end); 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; } @@ -1096,8 +1563,9 @@ RESULT eDVBChannel::playFile(const char *file) return -ENODEV; } - m_pvr_thread = new eFilePushThread(); + m_pvr_thread = new eDVBChannelFilePush(); 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)) @@ -1209,25 +1677,25 @@ eCueSheet::eCueSheet() void eCueSheet::seekTo(int relative, const pts_t &pts) { - { - eSingleLocker l(m_lock); - m_seek_requests.push_back(std::pair(relative, pts)); - } + m_lock.WrLock(); + m_seek_requests.push_back(std::pair(relative, pts)); + m_lock.Unlock(); m_event(evtSeek); } void eCueSheet::clear() { - eSingleLocker l(m_lock); + m_lock.WrLock(); m_spans.clear(); + m_lock.Unlock(); } void eCueSheet::addSourceSpan(const pts_t &begin, const pts_t &end) { - { - eSingleLocker l(m_lock); - m_spans.push_back(std::pair(begin, end)); - } + assert(begin < end); + m_lock.WrLock(); + m_spans.push_back(std::pair(begin, end)); + m_lock.Unlock(); } void eCueSheet::commitSpans() @@ -1237,10 +1705,9 @@ void eCueSheet::commitSpans() void eCueSheet::setSkipmode(const pts_t &ratio) { - { - eSingleLocker l(m_lock); - m_skipmode_ratio = ratio; - } + m_lock.WrLock(); + m_skipmode_ratio = ratio; + m_lock.Unlock(); m_event(evtSkipmode); }