X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/cf69b2b0ca0c997d7060981a5dc4446ce983b2c5..acab01604673e3fb0d13e47f9ffb5c32e8d9dd07:/lib/dvb/epgcache.cpp diff --git a/lib/dvb/epgcache.cpp b/lib/dvb/epgcache.cpp index 7a1c3dff..7b94a1a7 100644 --- a/lib/dvb/epgcache.cpp +++ b/lib/dvb/epgcache.cpp @@ -11,65 +11,60 @@ int eventData::CacheSize=0; descriptorMap eventData::descriptors; - +__u8 eventData::data[4108]; extern const uint32_t crc32_table[256]; eventData::eventData(const eit_event_struct* e, int size, int type) - :ByteSize(size), type(type) + :ByteSize(size&0xFF), type(type&0xFF) { if (!e) return; - std::list<__u32> d; + + __u32 descr[65]; + __u32 *pdescr=descr; + __u8 *data = (__u8*)e; int ptr=10; int descriptors_length = (data[ptr++]&0x0F) << 8; descriptors_length |= data[ptr++]; while ( descriptors_length > 0 ) { - int descr_len = data[ptr+1] + 2; - __u8 *descr = new __u8[descr_len]; - unsigned int crc=0; + __u8 *descr = data+ptr; + int descr_len = descr[1]+2; + + __u32 crc = 0; int cnt=0; - while(cnt < descr_len && descriptors_length > 0) - { - crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ data[ptr]) & 0xff]; - descr[cnt++] = data[ptr++]; - --descriptors_length; - } + while(cnt++ < descr_len) + crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ data[ptr++]) & 0xFF]; + descriptorMap::iterator it = descriptors.find(crc); if ( it == descriptors.end() ) { CacheSize+=descr_len; - descriptors[crc] = descriptorPair(1, descr); + __u8 *d = new __u8[descr_len]; + memcpy(d, descr, descr_len); + descriptors[crc] = descriptorPair(1, d); } else - { ++it->second.first; - delete [] descr; - } - d.push_back(crc); + + *pdescr++=crc; + descriptors_length -= descr_len; } - ByteSize = 12+d.size()*4; + ByteSize = 12+((pdescr-descr)*4); EITdata = new __u8[ByteSize]; CacheSize+=ByteSize; memcpy(EITdata, (__u8*) e, 12); - __u32 *p = (__u32*)(EITdata+12); - for (std::list<__u32>::iterator it(d.begin()); it != d.end(); ++it) - *p++ = *it; + memcpy(EITdata+12, descr, ByteSize-12); } const eit_event_struct* eventData::get() const { - static __u8 *data=NULL; - if ( data ) - delete [] data; - - int bytes = 12; - std::list<__u8*> d; - -// cnt needed bytes + int pos = 12; int tmp = ByteSize-12; + + memcpy(data, EITdata, 12); __u32 *p = (__u32*)(EITdata+12); while(tmp>0) { @@ -77,27 +72,14 @@ const eit_event_struct* eventData::get() const descriptors.find(*p++); if ( it != descriptors.end() ) { - d.push_back(it->second.second); - bytes += it->second.second[1]; + int b = it->second.second[1]+2; + memcpy(data+pos, it->second.second, b ); + pos += b; } - bytes += 2; // descr_type, descr_len tmp-=4; } -// copy eit_event header to buffer - data = new __u8[bytes]; - memcpy(data, EITdata, 12); - - tmp=12; -// copy all descriptors to buffer - for(std::list<__u8*>::iterator it(d.begin()); it != d.end(); ++it) - { - int b=(*it)[1]+2; - memcpy(data+tmp, *it, b); - tmp+=b; - } - - return (eit_event_struct*)data; + return (const eit_event_struct*)data; } eventData::~eventData() @@ -116,8 +98,8 @@ eventData::~eventData() descriptorPair &p = it->second; if (!--p.first) // no more used descriptor { - CacheSize -= p.second[1]+2; - delete [] p.second; // free descriptor memory + CacheSize -= it->second.second[1]; + delete [] it->second.second; // free descriptor memory descriptors.erase(it); // remove entry from descriptor map } } @@ -206,7 +188,7 @@ void eEPGCache::DVBChannelAdded(eDVBChannel *chan) { if ( chan ) { - eDebug("[eEPGCache] add channel %p", chan); +// eDebug("[eEPGCache] add channel %p", chan); channel_data *data = new channel_data(this); data->channel = chan; singleLock s(channel_map_lock); @@ -231,7 +213,7 @@ void eEPGCache::DVBChannelRunning(iDVBChannel *chan) else { ePtr demux; - if ( data.channel->getDemux(demux) ) + if ( data.channel->getDemux(demux, 0) ) { eDebug("[eEPGCache] no demux!!"); return; @@ -276,12 +258,6 @@ void eEPGCache::DVBChannelStateChanged(iDVBChannel *chan) chan->getState(state); switch (state) { - case iDVBChannel::state_idle: - break; - case iDVBChannel::state_tuning: - break; - case iDVBChannel::state_unavailable: - break; case iDVBChannel::state_ok: { eDebug("[eEPGCache] channel %p running", chan); @@ -597,70 +573,6 @@ eEPGCache::~eEPGCache() delete It->second; } -RESULT eEPGCache::lookupEvent(const eServiceReferenceDVB &service, int event_id, const eventData *&result ) -{ - singleLock s(cache_lock); - uniqueEPGKey key( service ); - - eventCache::iterator It = eventDB.find( key ); - if ( It != eventDB.end() && !It->second.first.empty() ) // entrys cached? - { - eventMap::iterator i( It->second.first.find( event_id )); - if ( i != It->second.first.end() ) - { - result = i->second; - return 0; - } - else - { - result = 0; - eDebug("event %04x not found in epgcache", event_id); - } - } - return -1; -} - -RESULT eEPGCache::lookupEvent(const eServiceReferenceDVB &service, time_t t, const eventData *&result ) -// if t == 0 we search the current event... -{ - singleLock s(cache_lock); - uniqueEPGKey key(service); - - // check if EPG for this service is ready... - eventCache::iterator It = eventDB.find( key ); - if ( It != eventDB.end() && !It->second.first.empty() ) // entrys cached ? - { - if (!t) - t = time(0)+eDVBLocalTimeHandler::getInstance()->difference(); - - timeMap::iterator i = It->second.second.lower_bound(t); - if ( i != It->second.second.end() ) - { - i--; - if ( i != It->second.second.end() ) - { - if ( t <= i->first+i->second->getDuration() ) - { - result = i->second; - return 0; - } - } - } - - for ( eventMap::iterator i( It->second.first.begin() ); i != It->second.first.end(); i++) - { - int duration = i->second->getDuration(); - time_t begTime = i->second->getStartTime(); - if ( t >= begTime && t <= begTime+duration) // then we have found - { - result = i->second; - return 0; - } - } - } - return -1; -} - void eEPGCache::gotMessage( const Message &msg ) { switch (msg.type) @@ -733,7 +645,7 @@ void eEPGCache::load() { char text1[13]; fread( text1, 13, 1, f); - if ( !strncmp( text1, "ENIGMA_EPG_V2", 13) ) + if ( !strncmp( text1, "ENIGMA_EPG_V4", 13) ) { fread( &size, sizeof(int), 1, f); while(size--) @@ -746,11 +658,11 @@ void eEPGCache::load() fread( &size, sizeof(int), 1, f); while(size--) { - int len=0; - int type=0; + __u8 len=0; + __u8 type=0; eventData *event=0; - fread( &type, sizeof(int), 1, f); - fread( &len, sizeof(int), 1, f); + fread( &type, sizeof(__u8), 1, f); + fread( &len, sizeof(__u8), 1, f); event = new eventData(0, len, type); event->EITdata = new __u8[len]; eventData::CacheSize+=len; @@ -799,7 +711,7 @@ void eEPGCache::save() int cnt=0; if ( f ) { - const char *text = "ENIGMA_EPG_V2"; + const char *text = "ENIGMA_EPG_V4"; fwrite( text, 13, 1, f ); int size = eventDB.size(); fwrite( &size, sizeof(int), 1, f ); @@ -811,9 +723,9 @@ void eEPGCache::save() fwrite( &size, sizeof(int), 1, f); for (timeMap::iterator time_it(timemap.begin()); time_it != timemap.end(); ++time_it) { - int len = time_it->second->ByteSize; - fwrite( &time_it->second->type, sizeof(int), 1, f ); - fwrite( &len, sizeof(int), 1, f); + __u8 len = time_it->second->ByteSize; + fwrite( &time_it->second->type, sizeof(__u8), 1, f ); + fwrite( &len, sizeof(__u8), 1, f); fwrite( time_it->second->EITdata, len, 1, f); ++cnt; } @@ -835,7 +747,7 @@ void eEPGCache::save() #endif } -RESULT eEPGCache::getInstance(ePtr &ptr) +RESULT eEPGCache::getInstance(eEPGCache *&ptr) { ptr = instance; if (!ptr) @@ -981,7 +893,7 @@ void eEPGCache::channel_data::abortEPG() eDebug("[EPGC] abort caching events !!"); if (isRunning & eEPGCache::SCHEDULE) { - isRunning &= eEPGCache::SCHEDULE; + isRunning &= ~eEPGCache::SCHEDULE; m_ScheduleReader->stop(); m_ScheduleConn=0; } @@ -1091,3 +1003,200 @@ void eEPGCache::channel_data::readData( const __u8 *data) } } } + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, time_t t, const eventData *&result ) +// if t == 0 we search the current event... +{ + singleLock s(cache_lock); + uniqueEPGKey key(service); + + // check if EPG for this service is ready... + eventCache::iterator It = eventDB.find( key ); + if ( It != eventDB.end() && !It->second.first.empty() ) // entrys cached ? + { + if (!t) + t = time(0)+eDVBLocalTimeHandler::getInstance()->difference(); + +// TODO: optimize this.. why we here search first in timemap.. and then in eventmap?? + timeMap::iterator i = It->second.second.lower_bound(t); + if ( i != It->second.second.end() ) + { + if ( i != It->second.second.end() ) + { + if ( t <= i->first+i->second->getDuration() ) + { + result = i->second; + return 0; + } + } + } + + for ( eventMap::iterator i( It->second.first.begin() ); i != It->second.first.end(); i++) + { + int duration = i->second->getDuration(); + time_t begTime = i->second->getStartTime(); + if ( t >= begTime && t <= begTime+duration) // then we have found + { + result = i->second; + return 0; + } + } + } + return -1; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, time_t t, const eit_event_struct *&result ) +{ + singleLock s(cache_lock); + const eventData *data=0; + RESULT ret = lookupEvent(service, t, data); + if ( !ret && data ) + result = data->get(); + return ret; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, time_t t, Event *& result ) +{ + singleLock s(cache_lock); + const eventData *data=0; + RESULT ret = lookupEvent(service, t, data); + if ( !ret && data ) + result = new Event((uint8_t*)data->get()); + return ret; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, time_t t, ePtr &result ) +{ + singleLock s(cache_lock); + const eventData *data=0; + RESULT ret = lookupEvent(service, t, data); + if ( !ret && data ) + { + Event ev((uint8_t*)data->get()); + result = new eServiceEvent(); + ret = result->parseFrom(&ev); + } + return ret; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, int event_id, const eventData *&result ) +{ + singleLock s(cache_lock); + uniqueEPGKey key( service ); + + eventCache::iterator It = eventDB.find( key ); + if ( It != eventDB.end() && !It->second.first.empty() ) // entrys cached? + { + eventMap::iterator i( It->second.first.find( event_id )); + if ( i != It->second.first.end() ) + { + result = i->second; + return 0; + } + else + { + result = 0; + eDebug("event %04x not found in epgcache", event_id); + } + } + return -1; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, int event_id, const eit_event_struct *&result) +{ + singleLock s(cache_lock); + const eventData *data=0; + RESULT ret = lookupEvent(service, event_id, data); + if ( !ret && data ) + result = data->get(); + return ret; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, int event_id, Event *& result) +{ + singleLock s(cache_lock); + const eventData *data=0; + RESULT ret = lookupEvent(service, event_id, data); + if ( !ret && data ) + result = new Event((uint8_t*)data->get()); + return ret; +} + +RESULT eEPGCache::lookupEvent(const eServiceReference &service, int event_id, ePtr &result) +{ + singleLock s(cache_lock); + const eventData *data=0; + RESULT ret = lookupEvent(service, event_id, data); + if ( !ret && data ) + { + Event ev((uint8_t*)data->get()); + result = new eServiceEvent(); + ret = result->parseFrom(&ev); + } + return ret; +} + +RESULT eEPGCache::startTimeQuery(const eServiceReference &service, time_t begin, int minutes) +{ + eventCache::iterator It = eventDB.find( service ); + if ( It != eventDB.end() && It->second.second.size() ) + { + m_timemap_end = minutes != -1 ? It->second.second.upper_bound(begin+minutes*60) : It->second.second.end(); + if ( begin != -1 ) + { + m_timemap_cursor = It->second.second.lower_bound(begin); + if ( m_timemap_cursor != It->second.second.end() && m_timemap_cursor != It->second.second.begin() ) + { + timeMap::iterator it = m_timemap_cursor; + --it; + if ( (it->second->getStartTime() + it->second->getDuration()) > begin ) + m_timemap_cursor = it; + } + } + else + m_timemap_cursor = It->second.second.begin(); + return 0; + } + return -1; +} + +RESULT eEPGCache::getNextTimeEntry(const eventData *& result) +{ + if ( m_timemap_cursor != m_timemap_end ) + { + result = m_timemap_cursor++->second; + return 0; + } + return -1; +} + +RESULT eEPGCache::getNextTimeEntry(const eit_event_struct *&result) +{ + if ( m_timemap_cursor != m_timemap_end ) + { + result = m_timemap_cursor++->second->get(); + return 0; + } + return -1; +} + +RESULT eEPGCache::getNextTimeEntry(Event *&result) +{ + if ( m_timemap_cursor != m_timemap_end ) + { + result = new Event((uint8_t*)m_timemap_cursor++->second->get()); + return 0; + } + return -1; +} + +RESULT eEPGCache::getNextTimeEntry(ePtr &result) +{ + if ( m_timemap_cursor != m_timemap_end ) + { + Event ev((uint8_t*)m_timemap_cursor++->second->get()); + result = new eServiceEvent(); + return result->parseFrom(&ev); + } + return -1; +}