some work on DVB-T
[enigma2.git] / lib / service / servicedvb.cpp
index d1cc4ef83bedc2f7a695b0ea303e8ffe80f7a351..94c31b4f1ab787dfe6b89519a7f7e3157c3f631a 100644 (file)
 #include <lib/dvb/db.h>
 #include <lib/dvb/decoder.h>
 
+#include <lib/components/file_eraser.h>
 #include <lib/service/servicedvbrecord.h>
+#include <lib/service/event.h>
 #include <lib/dvb/metaparser.h>
 #include <lib/dvb/tstools.h>
 #include <lib/python/python.h>
 
+#include <sys/vfs.h>
+
+#include <byteswap.h>
+#include <netinet/in.h>
+
+#include <dvbsi++/event_information_section.h>
+
+#ifndef BYTE_ORDER
+#error no byte order defined!
+#endif
+
+#define TSPATH "/media/hdd"
+
 class eStaticServiceDVBInformation: public iStaticServiceInformation
 {
        DECLARE_REF(eStaticServiceDVBInformation);
@@ -171,6 +186,8 @@ int eStaticServiceDVBPVRInformation::getInfo(const eServiceReference &ref, int w
        {
        case iServiceInformation::sDescription:
                return iServiceInformation::resIsString;
+       case iServiceInformation::sServiceref:
+               return iServiceInformation::resIsString;
        case iServiceInformation::sTimeCreate:
                if (m_parser.m_time_create)
                        return m_parser.m_time_create;
@@ -187,6 +204,8 @@ std::string eStaticServiceDVBPVRInformation::getInfoString(const eServiceReferen
        {
        case iServiceInformation::sDescription:
                return m_parser.m_description;
+       case iServiceInformation::sServiceref:
+               return m_parser.m_ref.toString();
        default:
                return "";
        }
@@ -219,11 +238,18 @@ RESULT eDVBPVRServiceOfflineOperations::deleteFromDisk(int simulate)
                if (getListOfFilenames(res))
                        return -1;
                
+               eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
+               if (!eraser)
+                       eDebug("FATAL !! can't get background file eraser");
+               
                                /* TODO: deferred removing.. */
                for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
                {
                        eDebug("Removing %s...", i->c_str());
-                       ::unlink(i->c_str());
+                       if (eraser)
+                               eraser->erase(i->c_str());
+                       else
+                               ::unlink(i->c_str());
                }
                
                return 0;
@@ -234,7 +260,25 @@ RESULT eDVBPVRServiceOfflineOperations::getListOfFilenames(std::list<std::string
 {
        res.clear();
        res.push_back(m_ref.path);
+
+// handling for old splitted recordings (enigma 1)
+       char buf[255];
+       int slice=1;
+       while(true)
+       {
+               snprintf(buf, 255, "%s.%03d", m_ref.path.c_str(), slice++);
+               struct stat s;
+               if (stat(buf, &s) < 0)
+                       break;
+               res.push_back(buf);
+       }       
+
        res.push_back(m_ref.path + ".meta");
+       res.push_back(m_ref.path + ".ap");
+       res.push_back(m_ref.path + ".cuts");
+       std::string tmp = m_ref.path;
+       tmp.erase(m_ref.path.length()-3);
+       res.push_back(tmp + ".eit");
        return 0;
 }
 
@@ -525,12 +569,16 @@ eDVBServicePlay::eDVBServicePlay(const eServiceReference &ref, eDVBService *serv
        m_reference(ref), m_dvb_service(service), m_is_paused(0)
 {
        m_is_pvr = !ref.path.empty();
+       
        m_timeshift_enabled = m_timeshift_active = 0;
        m_skipmode = 0;
        
        CONNECT(m_service_handler.serviceEvent, eDVBServicePlay::serviceEvent);
        CONNECT(m_service_handler_timeshift.serviceEvent, eDVBServicePlay::serviceEventTimeshift);
        CONNECT(m_event_handler.m_eit_changed, eDVBServicePlay::gotNewEvent);
+
+       m_cuesheet_changed = 0;
+       m_cutlist_enabled = 1;
 }
 
 eDVBServicePlay::~eDVBServicePlay()
@@ -587,6 +635,11 @@ void eDVBServicePlay::serviceEvent(int event)
                        updateTimeshiftPids();
                if (!m_timeshift_active)
                        updateDecoder();
+               if (m_first_program_info && m_is_pvr)
+               {
+                       m_first_program_info = 0;
+                       seekTo(0);
+               }
                m_event((iPlayableService*)this, evUpdatedInfo);
                break;
        }
@@ -607,6 +660,9 @@ void eDVBServicePlay::serviceEventTimeshift(int event)
                if (m_timeshift_active)
                        updateDecoder();
                break;
+       case eDVBServicePMTHandler::eventSOF:
+               m_event((iPlayableService*)this, evSOF);
+               break;
        case eDVBServicePMTHandler::eventEOF:
                switchToLive();
                break;
@@ -620,7 +676,39 @@ RESULT eDVBServicePlay::start()
                   two (one for decoding, one for data source), as we must be prepared
                   to start recording from the data demux. */
        m_cue = new eCueSheet();
-       r = m_service_handler.tune((eServiceReferenceDVB&)m_reference, m_is_pvr, m_cue);
+
+       m_first_program_info = 1;
+       eServiceReferenceDVB &service = (eServiceReferenceDVB&)m_reference;
+       r = m_service_handler.tune(service, m_is_pvr, m_cue);
+       
+               /* inject EIT if there is a stored one */
+       if (m_is_pvr)
+       {
+               std::string filename = service.path;
+               filename.erase(filename.length()-2, 2);
+               filename+="eit";
+               int fd = ::open( filename.c_str(), O_RDONLY );
+               if ( fd > -1 )
+               {
+                       __u8 buf[4096];
+                       int rd = ::read(fd, buf, 4096);
+                       ::close(fd);
+                       if ( rd > 12 /*EIT_LOOP_SIZE*/ )
+                       {
+                               Event ev(buf);
+                               ePtr<eServiceEvent> event = new eServiceEvent;
+                               ePtr<eServiceEvent> empty;
+                               event->parseFrom(&ev, (service.getTransportStreamID().get()<<16)|service.getOriginalNetworkID().get());
+                               m_event_handler.inject(event, 0);
+                               m_event_handler.inject(empty, 1);
+                               eDebug("injected");
+                       }
+               }
+       }
+       
+       if (m_is_pvr)
+               loadCuesheet();
+
        m_event(this, evStart);
        m_event((iPlayableService*)this, evSeekableStatusChanged);
        return 0;
@@ -628,14 +716,13 @@ RESULT eDVBServicePlay::start()
 
 RESULT eDVBServicePlay::stop()
 {
-       eDebug("stop timeshift");
        stopTimeshift(); /* in case timeshift was enabled, remove buffer etc. */
-       
-       eDebug("free ts handler");
+
        m_service_handler_timeshift.free();
-       eDebug("stop service handler");
        m_service_handler.free();
-       eDebug("ok");
+       
+       if (m_is_pvr && m_cuesheet_changed)
+               saveCuesheet();
        
        return 0;
 }
@@ -685,7 +772,7 @@ RESULT eDVBServicePlay::setFastForward(int ratio)
        {
                skipmode = 0;
                ffratio = 0;
-       } else if (ratio < 0)
+       } else // if (ratio < 0)
        {
                skipmode = ratio;
                ffratio = 1;
@@ -708,7 +795,7 @@ RESULT eDVBServicePlay::setFastForward(int ratio)
     
 RESULT eDVBServicePlay::seek(ePtr<iSeekableService> &ptr)
 {
-       if (m_is_pvr || m_timeshift_active)
+       if (m_is_pvr || m_timeshift_enabled)
        {
                ptr = this;
                return 0;
@@ -718,15 +805,13 @@ RESULT eDVBServicePlay::seek(ePtr<iSeekableService> &ptr)
        return -1;
 }
 
+       /* TODO: when timeshift is enabled but not active, this doesn't work. */
 RESULT eDVBServicePlay::getLength(pts_t &len)
 {
        ePtr<iDVBPVRChannel> pvr_channel;
        
-       if (m_service_handler.getPVRChannel(pvr_channel))
-       {
-               eDebug("getPVRChannel failed!");
+       if ((m_timeshift_enabled ? m_service_handler_timeshift : m_service_handler).getPVRChannel(pvr_channel))
                return -1;
-       }
        
        return pvr_channel->getLength(len);
 }
@@ -782,12 +867,18 @@ RESULT eDVBServicePlay::seekRelative(int direction, pts_t to)
        if ((m_timeshift_enabled ? m_service_handler_timeshift : m_service_handler).getPVRChannel(pvr_channel))
                return -1;
        
+       int mode = 1;
+       
+                       /* HACK until we have skip-AP api */
+       if ((to > 0) && (to < 100))
+               mode = 2;
+       
        to *= direction;
        
        if (!m_cue)
                return 0;
        
-       m_cue->seekTo(1, to);
+       m_cue->seekTo(mode, to);
        return 0;
 }
 
@@ -801,7 +892,18 @@ RESULT eDVBServicePlay::getPlayPosition(pts_t &pos)
        if ((m_timeshift_enabled ? m_service_handler_timeshift : m_service_handler).getPVRChannel(pvr_channel))
                return -1;
        
-       return pvr_channel->getCurrentPosition(m_decode_demux, pos, 1);
+       int r = 0;
+
+               /* if there is a decoder, use audio or video PTS */
+       if (m_decoder)
+       {
+               r = m_decoder->getPTS(0, pos);
+               if (r)
+                       return r;
+       }
+       
+               /* fixup */
+       return pvr_channel->getCurrentPosition(m_decode_demux, pos, m_decoder ? 1 : 0);
 }
 
 RESULT eDVBServicePlay::setTrickmode(int trick)
@@ -811,6 +913,11 @@ RESULT eDVBServicePlay::setTrickmode(int trick)
        return 0;
 }
 
+RESULT eDVBServicePlay::isCurrentlySeekable()
+{
+       return m_is_pvr || m_timeshift_active;
+}
+
 RESULT eDVBServicePlay::frontendStatusInfo(ePtr<iFrontendStatusInformation> &ptr)
 {
        ptr = this;
@@ -837,7 +944,34 @@ RESULT eDVBServicePlay::subServices(ePtr<iSubserviceList> &ptr)
 
 RESULT eDVBServicePlay::timeshift(ePtr<iTimeshiftService> &ptr)
 {
+       ptr = 0;
        if (m_timeshift_enabled || !m_is_pvr)
+       {
+               if (!m_timeshift_enabled)
+               {
+                               /* we need enough diskspace */
+                       struct statfs fs;
+                       if (statfs(TSPATH "/.", &fs) < 0)
+                       {
+                               eDebug("statfs failed!");
+                               return -2;
+                       }
+               
+                       if (((off_t)fs.f_bavail) * ((off_t)fs.f_bsize) < 1024*1024*1024LL)
+                       {
+                               eDebug("not enough diskspace for timeshift! (less than 1GB)");
+                               return -3;
+                       }
+               }
+               ptr = this;
+               return 0;
+       }
+       return -1;
+}
+
+RESULT eDVBServicePlay::cueSheet(ePtr<iCueSheet> &ptr)
+{
+       if (m_is_pvr)
        {
                ptr = this;
                return 0;
@@ -1048,6 +1182,52 @@ int eDVBServicePlay::getFrontendInfo(int w)
        return fe->readFrontendData(w);
 }
 
+PyObject *eDVBServicePlay::getFrontendData(bool original)
+{
+       PyObject *ret=0;
+
+       eUsePtr<iDVBChannel> channel;
+       if(!m_service_handler.getChannel(channel))
+       {
+               ePtr<iDVBFrontend> fe;
+               if(!channel->getFrontend(fe))
+               {
+                       ret = fe->readTransponderData(original);
+                       if (ret)
+                       {
+                               ePtr<iDVBFrontendParameters> feparm;
+                               channel->getCurrentFrontendParameters(feparm);
+                               if (feparm)
+                               {
+                                       eDVBFrontendParametersSatellite osat;
+                                       if (!feparm->getDVBS(osat))
+                                       {
+                                               void PutToDict(PyObject *, const char*, long);
+                                               void PutToDict(PyObject *, const char*, const char*);
+                                               PutToDict(ret, "orbital_position", osat.orbital_position);
+                                               const char *tmp = "UNKNOWN";
+                                               switch(osat.polarisation)
+                                               {
+                                                       case eDVBFrontendParametersSatellite::Polarisation::Horizontal: tmp="HORIZONTAL"; break;
+                                                       case eDVBFrontendParametersSatellite::Polarisation::Vertical: tmp="VERTICAL"; break;
+                                                       case eDVBFrontendParametersSatellite::Polarisation::CircularLeft: tmp="CIRCULAR_LEFT"; break;
+                                                       case eDVBFrontendParametersSatellite::Polarisation::CircularRight: tmp="CIRCULAR_RIGHT"; break;
+                                                       default:break;
+                                               }
+                                               PutToDict(ret, "polarization", tmp);
+                                       }
+                               }
+                       }
+               }
+       }
+       if (!ret)
+       {
+               ret = Py_None;
+               Py_INCREF(ret);
+       }
+       return ret;
+}
+
 int eDVBServicePlay::getNumberOfSubservices()
 {
        ePtr<eServiceEvent> evt;
@@ -1085,7 +1265,7 @@ RESULT eDVBServicePlay::startTimeshift()
        if (!m_record)
                return -3;
 
-       char templ[]="/media/hdd/timeshift.XXXXXX";
+       char templ[]=TSPATH "/timeshift.XXXXXX";
        m_timeshift_fd = mkstemp(templ);
        m_timeshift_file = templ;
        
@@ -1120,6 +1300,7 @@ RESULT eDVBServicePlay::stopTimeshift()
        m_record = 0;
        
        close(m_timeshift_fd);
+       eDebug("remove timeshift file");
        remove(m_timeshift_file.c_str());
        
        return 0;
@@ -1144,6 +1325,67 @@ RESULT eDVBServicePlay::activateTimeshift()
        return -2;
 }
 
+PyObject *eDVBServicePlay::getCutList()
+{
+       PyObject *list = PyList_New(0);
+       
+       for (std::multiset<struct cueEntry>::iterator i(m_cue_entries.begin()); i != m_cue_entries.end(); ++i)
+       {
+               PyObject *tuple = PyTuple_New(2);
+               PyTuple_SetItem(tuple, 0, PyLong_FromLongLong(i->where));
+               PyTuple_SetItem(tuple, 1, PyInt_FromLong(i->what));
+               PyList_Append(list, tuple);
+               Py_DECREF(tuple);
+       }
+       
+       return list;
+}
+
+void eDVBServicePlay::setCutList(PyObject *list)
+{
+       if (!PyList_Check(list))
+               return;
+       int size = PyList_Size(list);
+       int i;
+       
+       m_cue_entries.clear();
+       
+       for (i=0; i<size; ++i)
+       {
+               PyObject *tuple = PyList_GetItem(list, i);
+               if (!PyTuple_Check(tuple))
+               {
+                       eDebug("non-tuple in cutlist");
+                       continue;
+               }
+               if (PyTuple_Size(tuple) != 2)
+               {
+                       eDebug("cutlist entries need to be a 2-tuple");
+                       continue;
+               }
+               PyObject *ppts = PyTuple_GetItem(tuple, 0), *ptype = PyTuple_GetItem(tuple, 1);
+               if (!(PyLong_Check(ppts) && PyInt_Check(ptype)))
+               {
+                       eDebug("cutlist entries need to be (pts, type)-tuples (%d %d)", PyLong_Check(ppts), PyInt_Check(ptype));
+                       continue;
+               }
+               pts_t pts = PyLong_AsLongLong(ppts);
+               int type = PyInt_AsLong(ptype);
+               m_cue_entries.insert(cueEntry(pts, type));
+               eDebug("adding %08llx, %d", pts, type);
+       }
+       m_cuesheet_changed = 1;
+       
+       cutlistToCuesheet();
+       m_event((iPlayableService*)this, evCuesheetChanged);
+}
+
+void eDVBServicePlay::setCutListEnable(int enable)
+{
+       m_cutlist_enabled = enable;
+       cutlistToCuesheet();
+}
+
 void eDVBServicePlay::updateTimeshiftPids()
 {
        if (!m_record)
@@ -1224,6 +1466,7 @@ void eDVBServicePlay::switchToTimeshift()
        r.path = m_timeshift_file;
        
        m_service_handler_timeshift.tune(r, 1, m_cue); /* use the decoder demux for everything */
+       updateDecoder(); /* mainly to switch off PCR */
 }
 
 void eDVBServicePlay::updateDecoder()
@@ -1283,7 +1526,7 @@ void eDVBServicePlay::updateDecoder()
                if (m_decode_demux)
                        m_decode_demux->getMPEGDecoder(m_decoder);
                if (m_cue)
-                       m_cue->setDecodingDemux(m_decode_demux);
+                       m_cue->setDecodingDemux(m_decode_demux, m_decoder);
        }
 
        if (m_decoder)
@@ -1321,6 +1564,127 @@ void eDVBServicePlay::updateDecoder()
        }
 }
 
+void eDVBServicePlay::loadCuesheet()
+{
+       std::string filename = m_reference.path + ".cuts";
+       
+       m_cue_entries.clear();
+
+       FILE *f = fopen(filename.c_str(), "rb");
+
+       if (f)
+       {
+               eDebug("loading cuts..");
+               while (1)
+               {
+                       unsigned long long where;
+                       unsigned int what;
+                       
+                       if (!fread(&where, sizeof(where), 1, f))
+                               break;
+                       if (!fread(&what, sizeof(what), 1, f))
+                               break;
+                       
+#if BYTE_ORDER == LITTLE_ENDIAN
+                       where = bswap_64(where);
+#endif
+                       what = ntohl(what);
+                       
+                       if (what > 2)
+                               break;
+                       
+                       m_cue_entries.insert(cueEntry(where, what));
+               }
+               fclose(f);
+               eDebug("%d entries", m_cue_entries.size());
+       } else
+               eDebug("cutfile not found!");
+       
+       m_cuesheet_changed = 0;
+       cutlistToCuesheet();
+       m_event((iPlayableService*)this, evCuesheetChanged);
+}
+
+void eDVBServicePlay::saveCuesheet()
+{
+       std::string filename = m_reference.path + ".cuts";
+       
+       FILE *f = fopen(filename.c_str(), "wb");
+
+       if (f)
+       {
+               unsigned long long where;
+               int what;
+
+               for (std::multiset<cueEntry>::iterator i(m_cue_entries.begin()); i != m_cue_entries.end(); ++i)
+               {
+#if BYTE_ORDER == BIG_ENDIAN
+                       where = i->where;
+#else
+                       where = bswap_64(i->where);
+#endif
+                       what = htonl(i->what);
+                       fwrite(&where, sizeof(where), 1, f);
+                       fwrite(&what, sizeof(what), 1, f);
+                       
+               }
+               fclose(f);
+       }
+       
+       m_cuesheet_changed = 0;
+}
+
+void eDVBServicePlay::cutlistToCuesheet()
+{
+       if (!m_cue)
+       {
+               eDebug("no cue sheet");
+               return;
+       }       
+       m_cue->clear();
+       
+       if (!m_cutlist_enabled)
+       {
+               m_cue->commitSpans();
+               eDebug("cutlists where disabled");
+               return;
+       }
+
+       pts_t in = 0, out = 0, length = 0;
+       
+       getLength(length);
+               
+       std::multiset<cueEntry>::iterator i(m_cue_entries.begin());
+       
+       while (1)
+       {
+               if (i == m_cue_entries.end())
+                       out = length;
+               else {
+                       if (i->what == 0) /* in */
+                       {
+                               in = i++->where;
+                               continue;
+                       } else if (i->what == 1) /* out */
+                               out = i++->where;
+                       else /* mark */
+                       {
+                               i++;
+                               continue;
+                       }
+               }
+               
+               if (in != out)
+                       m_cue->addSourceSpan(in, out);
+               
+               in = length;
+               
+               if (i == m_cue_entries.end())
+                       break;
+       }
+       m_cue->commitSpans();
+}
+
 DEFINE_REF(eDVBServicePlay)
 
 eAutoInitPtr<eServiceFactoryDVB> init_eServiceFactoryDVB(eAutoInitNumbers::service+1, "eServiceFactoryDVB");