add infrastructure for record service events (not finished yet)
[enigma2.git] / lib / service / servicedvbrecord.cpp
index 2f1dea0e38d9d452fb0a6a4fa59c712af168424e..fb3ae2bad3d819f8eadc9df6afbf95a6086c05c2 100644 (file)
@@ -1,15 +1,19 @@
 #include <lib/service/servicedvbrecord.h>
 #include <lib/base/eerror.h>
+#include <lib/dvb/epgcache.h>
 
 #include <fcntl.h>
 
 DEFINE_REF(eDVBServiceRecord);
 
-eDVBServiceRecord::eDVBServiceRecord(const eServiceReferenceDVB &ref): m_ref(ref), m_service_handler(1)
+eDVBServiceRecord::eDVBServiceRecord(const eServiceReferenceDVB &ref): m_ref(ref)
 {
        CONNECT(m_service_handler.serviceEvent, eDVBServiceRecord::serviceEvent);
        m_state = stateIdle;
        m_want_record = 0;
+       m_tuned = 0;
+       m_target_fd = -1;
+       m_error = 0;
 }
 
 void eDVBServiceRecord::serviceEvent(int event)
@@ -20,6 +24,16 @@ void eDVBServiceRecord::serviceEvent(int event)
        case eDVBServicePMTHandler::eventTuned:
        {
                eDebug("tuned..");
+               m_tuned = 1;
+               if (m_state == stateRecording && m_want_record)
+                       doRecord();
+               m_event((iRecordableService*)this, evTunedIn);
+               break;
+       }
+       case eDVBServicePMTHandler::eventTuneFailed:
+       {
+               eDebug("record failed to tune");
+               m_event((iRecordableService*)this, evTuneFailed);
                break;
        }
        case eDVBServicePMTHandler::eventNewProgramInfo:
@@ -28,17 +42,63 @@ void eDVBServiceRecord::serviceEvent(int event)
                        doPrepare();
                else if (m_want_record) /* doRecord can be called from Prepared and Recording state */
                        doRecord();
+               m_event((iRecordableService*)this, evNewProgramInfo);
                break;
        }
        }
 }
 
-
-RESULT eDVBServiceRecord::prepare(const char *filename)
+RESULT eDVBServiceRecord::prepare(const char *filename, time_t begTime, time_t endTime, int eit_event_id)
 {
        m_filename = filename;
        if (m_state == stateIdle)
-               return m_service_handler.tune(m_ref);
+       {
+               int ret = doPrepare();
+               if (!ret)
+               {
+                       eEPGCache::getInstance()->Lock();
+                       const eit_event_struct *event = 0;
+                       eServiceReferenceDVB ref = m_ref.getParentServiceReference();
+                       if (!ref.valid())
+                               ref = m_ref;
+                       if ( eit_event_id != -1 )
+                       {
+                               eDebug("query epg event id %d", eit_event_id);
+                               eEPGCache::getInstance()->lookupEventId(ref, eit_event_id, event);
+                       }
+                       if ( !event && (begTime != -1 && endTime != -1) )
+                       {
+                               time_t queryTime = begTime + ((endTime-begTime)/2);
+                               tm beg, end, query;
+                               localtime_r(&begTime, &beg);
+                               localtime_r(&endTime, &end);
+                               localtime_r(&queryTime, &query);
+                               eDebug("query stime %d:%d:%d, etime %d:%d:%d, qtime %d:%d:%d",
+                                       beg.tm_hour, beg.tm_min, beg.tm_sec,
+                                       end.tm_hour, end.tm_min, end.tm_sec,
+                                       query.tm_hour, query.tm_min, query.tm_sec);
+                               eEPGCache::getInstance()->lookupEventTime(ref, queryTime, event);
+                       }
+                       if ( event )
+                       {
+                               eDebug("found event.. store to disc");
+                               std::string fname = filename;
+                               fname.erase(fname.length()-2, 2);
+                               fname+="eit";
+                               int fd = open(fname.c_str(), O_CREAT|O_WRONLY, 0777);
+                               if (fd>-1)
+                               {
+                                       int evLen=HILO(event->descriptors_loop_length)+12/*EIT_LOOP_SIZE*/;
+                                       int wr = ::write( fd, (unsigned char*)event, evLen );
+                                       if ( wr != evLen )
+                                               eDebug("eit write error (%m)");
+                                       ::close(fd);
+                               }
+                       }
+                       eEPGCache::getInstance()->Unlock();
+               }
+               return ret;
+       }
        else
                return -1;
 }
@@ -47,6 +107,7 @@ RESULT eDVBServiceRecord::start()
 {
        m_want_record = 1;
                /* when tune wasn't yet successfully, doRecord stays in "prepared"-state which is fine. */
+       m_event((iRecordableService*)this, evStart);
        return doRecord();
 }
 
@@ -56,7 +117,13 @@ RESULT eDVBServiceRecord::stop()
        eDebug("stop recording!!");
        if (m_state == stateRecording)
        {
-               m_record->stop();
+               if (m_record)
+                       m_record->stop();
+               if (m_target_fd >= 0)
+               {
+                       ::close(m_target_fd);
+                       m_target_fd = -1;
+               }
                m_state = statePrepared;
        }
        
@@ -65,6 +132,7 @@ RESULT eDVBServiceRecord::stop()
                m_record = 0;
                m_state = stateIdle;
        }
+       m_event((iRecordableService*)this, evStop);
        return 0;
 }
 
@@ -73,44 +141,63 @@ int eDVBServiceRecord::doPrepare()
 {
                /* allocate a ts recorder if we don't already have one. */
        if (m_state == stateIdle)
+       {
+               m_pids_active.clear();
+               m_state = statePrepared;
+               return m_service_handler.tune(m_ref, 0);
+       }
+       return 0;
+}
+
+int eDVBServiceRecord::doRecord()
+{
+       int err = doPrepare();
+       if (err)
+       {
+               m_error = errTuneFailed;
+               m_event((iRecordableService*)this, evRecordFailed);
+               return err;
+       }
+       
+       if (!m_tuned)
+               return 0; /* try it again when we are tuned in */
+       
+       if (!m_record && m_tuned)
        {
                eDebug("Recording to %s...", m_filename.c_str());
                ::remove(m_filename.c_str());
-               int fd = ::open(m_filename.c_str(), O_WRONLY|O_CREAT, 0644);
+               int fd = ::open(m_filename.c_str(), O_WRONLY|O_CREAT|O_LARGEFILE, 0644);
                if (fd == -1)
                {
-                       eDebug("eDVBServiceRecord - can't open hardcoded recording file!");
-                       return -1;
+                       eDebug("eDVBServiceRecord - can't open recording file!");
+                       m_error = errOpenRecordFile;
+                       m_event((iRecordableService*)this, evRecordFailed);
+                       return errOpenRecordFile;
                }
+               
+                       /* turn off kernel caching strategies */
+               posix_fadvise(fd, 0, 0, POSIX_FADV_RANDOM);
+               
                ePtr<iDVBDemux> demux;
-               if (m_service_handler.getDemux(demux))
+               if (m_service_handler.getDataDemux(demux))
                {
                        eDebug("eDVBServiceRecord - NO DEMUX available!");
-                       return -2;
+                       m_error = errNoDemuxAvailable;
+                       m_event((iRecordableService*)this, evRecordFailed);
+                       return errNoDemuxAvailable;
                }
                demux->createTSRecorder(m_record);
                if (!m_record)
                {
                        eDebug("eDVBServiceRecord - no ts recorder available.");
-                       return -3;
+                       m_error = errNoTsRecorderAvailable;
+                       m_event((iRecordableService*)this, evRecordFailed);
+                       return errNoTsRecorderAvailable;
                }
                m_record->setTargetFD(fd);
-               m_pids_active.clear();
-               m_state = statePrepared;
-       } else if ((m_state == statePrepared) || (m_state == stateRecording))
-       {
-                       /* when we're already recording, we already have a recorder allocated. */
-               assert(m_record);
+               m_record->setTargetFilename(m_filename.c_str());
+               m_target_fd = fd;
        }
-       return 0;
-}
-
-int eDVBServiceRecord::doRecord()
-{
-       int err = doPrepare();
-       if (err)
-               return err;
-       
        eDebug("starting recording..");
        
        eDVBServicePMTHandler::program program;
@@ -125,6 +212,8 @@ int eDVBServiceRecord::doRecord()
                if (program.pmtPid != -1)
                        pids_to_record.insert(program.pmtPid); // PMT
                
+               int timing_pid = -1;
+               
                eDebugNoNewLine("RECORD: have %d video stream(s)", program.videoStreams.size());
                if (!program.videoStreams.empty())
                {
@@ -134,6 +223,10 @@ int eDVBServiceRecord::doRecord()
                                i != program.videoStreams.end(); ++i)
                        {
                                pids_to_record.insert(i->pid);
+                               
+                               if (timing_pid == -1)
+                                       timing_pid = i->pid;
+                               
                                if (i != program.videoStreams.begin())
                                        eDebugNoNewLine(", ");
                                eDebugNoNewLine("%04x", i->pid);
@@ -149,16 +242,38 @@ int eDVBServiceRecord::doRecord()
                                i != program.audioStreams.end(); ++i)
                        {
                                pids_to_record.insert(i->pid);
+
+                               if (timing_pid == -1)
+                                       timing_pid = i->pid;
+                               
                                if (i != program.audioStreams.begin())
                                        eDebugNoNewLine(", ");
                                eDebugNoNewLine("%04x", i->pid);
                        }
                        eDebugNoNewLine(")");
                }
-               eDebug(", and the pcr pid is %04x", program.pcrPid);
+               if (!program.subtitleStreams.empty())
+               {
+                       eDebugNoNewLine(" (");
+                       for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
+                               i(program.subtitleStreams.begin());
+                               i != program.subtitleStreams.end(); ++i)
+                       {
+                               pids_to_record.insert(i->pid);
+
+                               if (i != program.subtitleStreams.begin())
+                                       eDebugNoNewLine(", ");
+                               eDebugNoNewLine("%04x", i->pid);
+                       }
+                       eDebugNoNewLine(")");
+               }
+               eDebugNoNewLine(", and the pcr pid is %04x", program.pcrPid);
                if (program.pcrPid != 0x1fff)
                        pids_to_record.insert(program.pcrPid);
-               
+               eDebug(", and the text pid is %04x", program.textPid);
+               if (program.textPid != -1)
+                       pids_to_record.insert(program.textPid); // Videotext
+
                        /* find out which pids are NEW and which pids are obsolete.. */
                std::set<int> new_pids, obsolete_pids;
                
@@ -183,11 +298,30 @@ int eDVBServiceRecord::doRecord()
                        m_record->removePID(*i);
                }
                
+               if (timing_pid != -1)
+                       m_record->setTimingPID(timing_pid);
+               
+               m_pids_active = pids_to_record;
+               
                if (m_state != stateRecording)
                {
                        m_record->start();
                        m_state = stateRecording;
                }
        }
+       m_error = 0;
+       m_event((iRecordableService*)this, evRecordRunning);
+       return 0;
+}
+
+RESULT eDVBServiceRecord::frontendInfo(ePtr<iFrontendInformation> &ptr)
+{
+       ptr = this;
+       return 0;
+}
+
+RESULT eDVBServiceRecord::connectEvent(const Slot2<void,iRecordableService*,int> &event, ePtr<eConnection> &connection)
+{
+       connection = new eConnection((iRecordableService*)this, m_event.connect(event));
        return 0;
 }