also enable pat scan for automatic sdt scan on channel change
[enigma2.git] / lib / dvb / pmt.cpp
index 1d9ca83d05c0bb8da50851aee5444ebe62b18a4e..4047be5cb7bec689208638d1d5e8b54299f9e138 100644 (file)
@@ -14,6 +14,7 @@
 #include <dvbsi++/stream_identifier_descriptor.h>
 #include <dvbsi++/subtitling_descriptor.h>
 #include <dvbsi++/teletext_descriptor.h>
+#include <lib/base/nconfig.h> // access to python config
 
 eDVBServicePMTHandler::eDVBServicePMTHandler()
        :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
@@ -87,9 +88,9 @@ void eDVBServicePMTHandler::PMTready(int error)
        {
                m_have_cached_program = false;
                serviceEvent(eventNewProgramInfo);
-               eEPGCache::getInstance()->PMTready(this);
                if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
                {
+                       eEPGCache::getInstance()->PMTready(this);
                        if(!m_ca_servicePtr)
                        {
                                int demuxes[2] = {0,0};
@@ -175,11 +176,14 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
        program.pmtPid = -1;
        program.textPid = -1;
 
+       int first_ac3 = -1;
+       program.defaultAudioStream = 0;
+
        if ( m_service && !m_service->cacheEmpty() )
        {
                cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
-               cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
-               cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
+               cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
+               cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
                cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
        }
 
@@ -227,43 +231,47 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                                                }
                                                //break; fall through !!!
                                        case 0x06: // PES Private
-                                                       /* PES private can contain AC-3, DTS or lots of other stuff.
-                                                          check descriptors to get the exact type. */
+                                       case 0x81: // user private
                                                for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
                                                                desc != (*es)->getDescriptors()->end(); ++desc)
                                                {
-                                                       switch ((*desc)->getTag())
-                                                       {
-                                                       case SUBTITLING_DESCRIPTOR:
+                                                       uint8_t tag = (*desc)->getTag();
+                                                       if (!isaudio && !isvideo)
                                                        {
-                                                               SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
-                                                               const SubtitlingList *list = d->getSubtitlings();
-                                                               subtitleStream s;
-                                                               s.pid = (*es)->getPid();
-                                                               for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
+                                                               /* PES private can contain AC-3, DTS or lots of other stuff.
+                                                                  check descriptors to get the exakt type. */
+                                                               switch (tag)
                                                                {
-                                                                       s.subtitling_type = (*it)->getSubtitlingType();
-                                                                       s.composition_page_id = (*it)->getCompositionPageId();
-                                                                       s.ancillary_page_id = (*it)->getAncillaryPageId();
-                                                                       s.language_code = (*it)->getIso639LanguageCode();
-//                                                                     eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
-//                                                                             s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
-                                                                       program.subtitleStreams.push_back(s);
-                                                               }
-                                                               break;
-                                                       }
-                                                       case TELETEXT_DESCRIPTOR:
-                                                               if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
+                                                               case SUBTITLING_DESCRIPTOR:
                                                                {
+                                                                       SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
+                                                                       const SubtitlingList *list = d->getSubtitlings();
                                                                        subtitleStream s;
-                                                                       s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
-                                                                       s.pid = program.textPid = (*es)->getPid();
-                                                                       TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
-                                                                       const VbiTeletextList *list = d->getVbiTeletexts();
-                                                                       for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
+                                                                       s.pid = (*es)->getPid();
+                                                                       for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
+                                                                       {
+                                                                               s.subtitling_type = (*it)->getSubtitlingType();
+                                                                               s.composition_page_id = (*it)->getCompositionPageId();
+                                                                               s.ancillary_page_id = (*it)->getAncillaryPageId();
+                                                                               s.language_code = (*it)->getIso639LanguageCode();
+       //                                                                      eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
+       //                                                                              s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
+                                                                               program.subtitleStreams.push_back(s);
+                                                                       }
+                                                                       break;
+                                                               }
+                                                               case TELETEXT_DESCRIPTOR:
+                                                                       if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
                                                                        {
-                                                                               switch((*it)->getTeletextType())
+                                                                               subtitleStream s;
+                                                                               s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
+                                                                               s.pid = program.textPid = (*es)->getPid();
+                                                                               TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
+                                                                               const VbiTeletextList *list = d->getVbiTeletexts();
+                                                                               for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
                                                                                {
+                                                                                       switch((*it)->getTeletextType())
+                                                                                       {
                                                                                        case 0x02: // Teletext subtitle page
                                                                                        case 0x05: // Teletext subtitle page for hearing impaired pepople
                                                                                                s.language_code = (*it)->getIso639LanguageCode();
@@ -273,42 +281,69 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 //                                                                                                     s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
                                                                                                program.subtitleStreams.push_back(s);
                                                                                                break;
+                                                                                       }
                                                                                }
                                                                        }
-                                                               }
-                                                               break;
-                                                       case DTS_DESCRIPTOR:
-                                                               isaudio = 1;
-                                                               audio.type = audioStream::atDTS;
-                                                               break;
-                                                       case AAC_DESCRIPTOR:
-                                                               isaudio = 1;
-                                                               audio.type = audioStream::atAAC;
-                                                               break;
-                                                       case AC3_DESCRIPTOR:
-                                                               isaudio = 1;
-                                                               audio.type = audioStream::atAC3;
-                                                               break;
-                                                       case ISO_639_LANGUAGE_DESCRIPTOR:
-                                                               if (!isvideo)
+                                                                       break;
+                                                               case DTS_DESCRIPTOR:
+                                                                       isaudio = 1;
+                                                                       audio.type = audioStream::atDTS;
+                                                                       break;
+                                                               case AAC_DESCRIPTOR:
+                                                                       isaudio = 1;
+                                                                       audio.type = audioStream::atAAC;
+                                                                       break;
+                                                               case AC3_DESCRIPTOR:
+                                                                       isaudio = 1;
+                                                                       audio.type = audioStream::atAC3;
+                                                                       break;
+                                                               case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
                                                                {
-                                                                       const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
-                                                                               /* use last language code */
-                                                                       for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
-                                                                               audio.language_code = (*i)->getIso639LanguageCode();
+                                                                               /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
+                                                                       if ((*desc)->getLength() != 4)
+                                                                               break;
+                                                                       unsigned char descr[6];
+                                                                       (*desc)->writeToBuffer(descr);
+                                                                       int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
+                                                                       switch (format_identifier)
+                                                                       {
+                                                                       case 0x41432d33:
+                                                                               isaudio = 1;
+                                                                               audio.type = audioStream::atAC3;
+                                                                               break;
+                                                                       default:
+                                                                               break;
+                                                                       }
+                                                                       break;
+                                                               }
+                                                               default:
+                                                                       break;
                                                                }
-                                                               break;
-                                                       case STREAM_IDENTIFIER_DESCRIPTOR:
-                                                               audio.component_tag =
-                                                                       video.component_tag =
-                                                                               ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
-                                                               break;
-                                                       case CA_DESCRIPTOR:
-                                                       {
-                                                               CaDescriptor *descr = (CaDescriptor*)(*desc);
-                                                               program.caids.insert(descr->getCaSystemId());
-                                                               break;
                                                        }
+                                                       switch (tag)
+                                                       {
+                                                               case ISO_639_LANGUAGE_DESCRIPTOR:
+                                                                       if (!isvideo)
+                                                                       {
+                                                                               const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
+                                                                                       /* use last language code */
+                                                                               for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
+                                                                                       audio.language_code = (*i)->getIso639LanguageCode();
+                                                                       }
+                                                                       break;
+                                                               case STREAM_IDENTIFIER_DESCRIPTOR:
+                                                                       audio.component_tag =
+                                                                               video.component_tag =
+                                                                                       ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
+                                                                       break;
+                                                               case CA_DESCRIPTOR:
+                                                               {
+                                                                       CaDescriptor *descr = (CaDescriptor*)(*desc);
+                                                                       program.caids.insert(descr->getCaSystemId());
+                                                                       break;
+                                                               }
+                                                               default:
+                                                                       break;
                                                        }
                                                }
                                                break;
@@ -316,14 +351,16 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                                        if (isaudio)
                                        {
                                                audio.pid = (*es)->getPid();
-                                               if ( !program.audioStreams.empty() &&
-                                                       ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
-                                               {
-                                                       program.audioStreams.push_back(program.audioStreams[0]);
-                                                       program.audioStreams[0] = audio;
-                                               }
-                                               else
-                                                       program.audioStreams.push_back(audio);
+
+                                                       /* if we find the cached pids, this will be our default stream */
+                                               if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
+                                                       program.defaultAudioStream = program.audioStreams.size();
+
+                                                       /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
+                                               if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
+                                                       first_ac3 = program.audioStreams.size();
+
+                                               program.audioStreams.push_back(audio);
                                        }
                                        else if (isvideo)
                                        {
@@ -350,6 +387,21 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                                }
                        }
                        ret = 0;
+
+
+                       /* finally some fixup: if our default audio stream is an MPEG audio stream, 
+                          and we have 'defaultac3' set, use the first available ac3 stream instead.
+                          (note: if an ac3 audio stream was selected before, this will be also stored
+                          in 'fisrt_ac3', so we don't need to worry. */
+                       bool defaultac3 = false;
+                       std::string default_ac3;
+
+                       if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
+                               defaultac3 = default_ac3 == "True";
+
+                       if (defaultac3 && (first_ac3 != -1))
+                               program.defaultAudioStream = first_ac3;
+
                        m_cached_program = program;
                        m_have_cached_program = true;
                }
@@ -496,8 +548,9 @@ int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux,
        } else
        {
                eDVBMetaParser parser;
-               
-               if (parser.parseFile(ref.path))
+
+               int ret=parser.parseFile(ref.path);
+               if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
                {
                        eWarning("no .meta file found, trying to find PMT pid");
                        eDVBTSTools tstools;
@@ -539,12 +592,15 @@ int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux,
                if (ref.path.empty())
                {
                        delete m_dvb_scan;
-                       m_dvb_scan = new eDVBScan(m_channel, false, false);
+                       m_dvb_scan = new eDVBScan(m_channel, true, false);
                        m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
                }
        } else
        {
-               serviceEvent(eventNoResources);
+               if (res == eDVBResourceManager::errAllSourcesBusy)
+                       serviceEvent(eventNoResources);
+               else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
+                       serviceEvent(eventMisconfiguration);
                return res;
        }
 
@@ -594,10 +650,12 @@ void eDVBServicePMTHandler::free()
        m_demux = 0;
 }
 
-std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
+CAServiceMap eDVBCAService::exist;
+ChannelMap eDVBCAService::exist_channels;
+ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 
 eDVBCAService::eDVBCAService()
-       :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
+       :m_sn(0), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 {
        memset(m_used_demux, 0xFF, sizeof(m_used_demux));
        CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
@@ -608,8 +666,10 @@ eDVBCAService::~eDVBCAService()
 {
        eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
        ::close(m_sock);
+       delete m_sn;
 }
 
+// begin static methods
 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 {
        CAServiceMap::iterator it = exist.find(ref);
@@ -700,17 +760,132 @@ RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int d
        return 0;
 }
 
+void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
+{
+       res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
+}
+
+void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
+{
+       if ( chan )
+       {
+               eDebug("[eDVBCAService] new channel %p!", chan);
+               channel_data *data = new channel_data();
+               data->m_channel = chan;
+               data->m_prevChannelState = -1;
+               data->m_dataDemux = -1;
+               exist_channels[chan] = data;
+               chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
+       }
+}
+
+void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
+{
+       ChannelMap::iterator it =
+               exist_channels.find(chan);
+       if ( it != exist_channels.end() )
+       {
+               int state=0;
+               chan->getState(state);
+               if ( it->second->m_prevChannelState != state )
+               {
+                       switch (state)
+                       {
+                               case iDVBChannel::state_ok:
+                               {
+                                       eDebug("[eDVBCAService] channel %p running", chan);
+                                       break;
+                               }
+                               case iDVBChannel::state_release:
+                               {
+                                       eDebug("[eDVBCAService] remove channel %p", chan);
+                                       unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
+                                       msg[7] = it->second->m_dataDemux & 0xFF;
+                                       int sock, clilen;
+                                       struct sockaddr_un servaddr;
+                                       memset(&servaddr, 0, sizeof(struct sockaddr_un));
+                                       servaddr.sun_family = AF_UNIX;
+                                       strcpy(servaddr.sun_path, "/tmp/camd.socket");
+                                       clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
+                                       sock = socket(PF_UNIX, SOCK_STREAM, 0);
+                                       if (sock > -1)
+                                       {
+                                               connect(sock, (struct sockaddr *) &servaddr, clilen);
+                                               fcntl(sock, F_SETFL, O_NONBLOCK);
+                                               int val=1;
+                                               setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
+                                               if (write(sock, msg, 8) != 8)
+                                                       eDebug("[eDVBCAService] write leave transponder failed!!");
+                                               close(sock);
+                                       }
+                                       exist_channels.erase(it);
+                                       delete it->second;
+                                       it->second=0;
+                                       break;
+                               }
+                               default: // ignore all other events
+                                       return;
+                       }
+                       if (it->second)
+                               it->second->m_prevChannelState = state;
+               }
+       }
+}
+
+channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
+{
+       for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
+       {
+               if (chid == it->second->m_channel->getChannelID())
+                       return it->second;
+       }
+       return 0;
+}
+// end static methods
+
+void eDVBCAService::socketCB(int what)
+{
+       if (what & eSocketNotifier::Read)
+               /*eDebug("[eDVBCAService] data to read\n")*/;
+       if (what & eSocketNotifier::Priority)
+               /*eDebug("[eDVBCAService] priority data to read\n")*/;
+       if (what & eSocketNotifier::Hungup) {
+               /*eDebug("[eDVBCAService] connection closed\n")*/;
+               m_sendstate=1;
+               sendCAPMT();
+       }
+       if (what & eSocketNotifier::Error)
+               /*eDebug("[eDVBCAService] connection error\n")*/;
+}
+
 void eDVBCAService::Connect()
 {
+       if (m_sn) {
+               delete m_sn;
+               m_sn=0;
+       }
        memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
        m_servaddr.sun_family = AF_UNIX;
        strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
        m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
        m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
-       connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
-       fcntl(m_sock, F_SETFL, O_NONBLOCK);
-       int val=1;
-       setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
+       if (m_sock != -1)
+       {
+               if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
+               {
+                       int val=1;
+                       fcntl(m_sock, F_SETFL, O_NONBLOCK);
+                       setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
+                       m_sn = new eSocketNotifier(eApp, m_sock,
+                               eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
+                       CONNECT(m_sn->activated, eDVBCAService::socketCB);
+                       
+               }
+//             else
+//                     eDebug("[eDVBCAService] connect failed %m");
+       }
+       else
+               eDebug("[eDVBCAService] create socket failed %m");
 }
 
 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
@@ -747,7 +922,7 @@ void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 
        eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 
-       unsigned int build_hash = (pmtpid << 16);
+       unsigned int build_hash = ( pmtpid << 16);
        build_hash |= (demux_mask << 8);
        build_hash |= (pmt_version&0xFF);
 
@@ -833,6 +1008,14 @@ void eDVBCAService::sendCAPMT()
        {
                m_sendstate=0xFFFFFFFF;
                eDebug("[eDVBCAService] send %d bytes",wp);
+               eDVBChannelID chid;
+               m_service.getChannelID(chid);
+               channel_data *data = getChannelData(chid);
+               if (data)
+               {
+                       int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
+                       data->m_dataDemux = m_capmt[24+lenbytes];
+               }
 #if 1
                for(int i=0;i<wp;i++)
                        eDebugNoNewLine("%02x ", m_capmt[i]);
@@ -865,7 +1048,7 @@ static PyObject *createTuple(int pid, const char *type)
        return r;
 }
 
-static inline PyObject PyList_AppendSteal(PyObject *list, PyObject *item)
+static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
 {
        PyList_Append(list, item);
        Py_DECREF(item);