ProgramInfo *getProgramInfoForFile(const QString &inFile) { ProgramInfo *pinfo = NULL; QString chanID, startTime; bool bIsMythRecording = false; bIsMythRecording = extractDetailsFromFilename(inFile, chanID, startTime); if (bIsMythRecording) { uint chanid = chanID.toUInt(); QDateTime recstartts = MythDate::fromString(startTime); pinfo = new ProgramInfo(chanid, recstartts); if (pinfo->GetChanID()) { pinfo->SetPathname(pinfo->GetPlaybackURL(false, true)); } else { delete pinfo; pinfo = NULL; } } if (!pinfo) { // file is not a myth recording or is no longer in the db pinfo = new ProgramInfo(inFile); LOG(VB_JOBQUEUE, LOG_NOTICE, "File is not a MythTV recording."); } else LOG(VB_JOBQUEUE, LOG_NOTICE, "File is a MythTV recording."); return pinfo; }
ProgramInfo *LiveTVChain::EntryToProgram(const LiveTVChainEntry &entry) { ProgramInfo *pginfo = new ProgramInfo(entry.chanid, entry.starttime); if (pginfo->GetChanID()) { pginfo->SetPathname(entry.hostprefix + pginfo->GetBasename()); return pginfo; } LOG(VB_GENERAL, LOG_ERR, QString("EntryToProgram(%1@%2) failed to get pginfo") .arg(entry.chanid).arg(entry.starttime.toString())); delete pginfo; return NULL; }
int preview_helper(uint chanid, QDateTime starttime, long long previewFrameNumber, long long previewSeconds, const QSize &previewSize, const QString &infile, const QString &outfile) { // Lower scheduling priority, to avoid problems with recordings. if (setpriority(PRIO_PROCESS, 0, 9)) LOG(VB_GENERAL, LOG_ERR, "Setting priority failed." + ENO); if (!chanid || !starttime.isValid()) ProgramInfo::QueryKeyFromPathname(infile, chanid, starttime); ProgramInfo *pginfo = NULL; if (chanid && starttime.isValid()) { pginfo = new ProgramInfo(chanid, starttime); if (!pginfo->GetChanID()) { LOG(VB_GENERAL, LOG_ERR, QString("Cannot locate recording made on '%1' at '%2'") .arg(chanid).arg(starttime.toString(Qt::ISODate))); delete pginfo; return GENERIC_EXIT_NOT_OK; } pginfo->SetPathname(pginfo->GetPlaybackURL(false, true)); } else if (!infile.isEmpty()) { if (!QFileInfo(infile).isReadable()) { LOG(VB_GENERAL, LOG_ERR, QString("Cannot read this file '%1'").arg(infile)); return GENERIC_EXIT_NOT_OK; } pginfo = new ProgramInfo( infile, ""/*plot*/, ""/*title*/, ""/*subtitle*/, ""/*director*/, 0/*season*/, 0/*episode*/, ""/*inetref*/, 120/*length_in_minutes*/, 1895/*year*/, ""/*id*/); } else { LOG(VB_GENERAL, LOG_ERR, "Cannot locate recording to preview"); return GENERIC_EXIT_NOT_OK; } PreviewGenerator *previewgen = new PreviewGenerator( pginfo, QString(), PreviewGenerator::kLocal); if (previewFrameNumber >= 0) previewgen->SetPreviewTimeAsFrameNumber(previewFrameNumber); if (previewSeconds >= 0) previewgen->SetPreviewTimeAsSeconds(previewSeconds); previewgen->SetOutputSize(previewSize); previewgen->SetOutputFilename(outfile); bool ok = previewgen->RunReal(); previewgen->deleteLater(); delete pginfo; return (ok) ? GENERIC_EXIT_OK : GENERIC_EXIT_NOT_OK; }
int preview_helper(const QString &_chanid, const QString &starttime, long long previewFrameNumber, long long previewSeconds, const QSize &previewSize, const QString &infile, const QString &outfile) { // Lower scheduling priority, to avoid problems with recordings. if (setpriority(PRIO_PROCESS, 0, 9)) VERBOSE(VB_GENERAL, "Setting priority failed." + ENO); uint chanid = _chanid.toUInt(); QDateTime recstartts = myth_dt_from_string(starttime); if (!chanid || !recstartts.isValid()) ProgramInfo::ExtractKeyFromPathname(infile, chanid, recstartts); ProgramInfo *pginfo = NULL; if (chanid && recstartts.isValid()) { pginfo = new ProgramInfo(chanid, recstartts); if (!pginfo->GetChanID()) { VERBOSE(VB_IMPORTANT, QString( "Cannot locate recording made on '%1' at '%2'") .arg(chanid).arg(starttime)); delete pginfo; return PREVIEWGEN_EXIT_NOT_OK; } pginfo->SetPathname(pginfo->GetPlaybackURL(false, true)); } else if (!infile.isEmpty()) { if (!QFileInfo(infile).isReadable()) { VERBOSE(VB_IMPORTANT, QString( "Cannot read this file '%1'").arg(infile)); return PREVIEWGEN_EXIT_NOT_OK; } pginfo = new ProgramInfo( infile, ""/*plot*/, ""/*title*/, ""/*subtitle*/, ""/*director*/, 0/*season*/, 0/*episode*/, 120/*length_in_minutes*/, 1895/*year*/); } else { VERBOSE(VB_IMPORTANT, "Cannot locate recording to preview"); return PREVIEWGEN_EXIT_NOT_OK; } PreviewGenerator *previewgen = new PreviewGenerator( pginfo, QString(), PreviewGenerator::kLocal); if (previewFrameNumber >= 0) previewgen->SetPreviewTimeAsFrameNumber(previewFrameNumber); if (previewSeconds >= 0) previewgen->SetPreviewTimeAsSeconds(previewSeconds); previewgen->SetOutputSize(previewSize); previewgen->SetOutputFilename(outfile); bool ok = previewgen->RunReal(); previewgen->deleteLater(); delete pginfo; return (ok) ? PREVIEWGEN_EXIT_OK : PREVIEWGEN_EXIT_NOT_OK; }
QFileInfo Content::GetPreviewImage( int nRecordedId, int nChanId, const QDateTime &recstarttsRaw, int nWidth, int nHeight, int nSecsIn, const QString &sFormat ) { if ((nRecordedId <= 0) && (nChanId <= 0 || !recstarttsRaw.isValid())) throw QString("Recorded ID or Channel ID and StartTime appears invalid."); if (!sFormat.isEmpty() && !QImageWriter::supportedImageFormats().contains(sFormat.toLower().toLocal8Bit())) { throw "GetPreviewImage: Specified 'Format' is not supported."; } // ---------------------------------------------------------------------- // Read Recording From Database // ---------------------------------------------------------------------- // TODO Should use RecordingInfo ProgramInfo pginfo; if (nRecordedId > 0) pginfo = ProgramInfo(nRecordedId); else pginfo = ProgramInfo(nChanId, recstarttsRaw.toUTC()); if (!pginfo.GetChanID()) { LOG(VB_GENERAL, LOG_ERR, QString("GetPreviewImage: No recording for '%1'") .arg(nRecordedId)); return QFileInfo(); } if (pginfo.GetHostname().toLower() != gCoreContext->GetHostName().toLower()) { QString sMsg = QString("GetPreviewImage: Wrong Host '%1' request from '%2'") .arg( gCoreContext->GetHostName()) .arg( pginfo.GetHostname() ); LOG(VB_UPNP, LOG_ERR, sMsg); throw HttpRedirectException( pginfo.GetHostname() ); } QString sImageFormat = sFormat; if (sImageFormat.isEmpty()) sImageFormat = "PNG"; QString sFileName = GetPlaybackURL(&pginfo); // ---------------------------------------------------------------------- // check to see if default preview image is already created. // ---------------------------------------------------------------------- QString sPreviewFileName; if (nSecsIn <= 0) { nSecsIn = -1; sPreviewFileName = QString("%1.png").arg(sFileName); } else { sPreviewFileName = QString("%1.%2.png").arg(sFileName).arg(nSecsIn); } if (!QFile::exists( sPreviewFileName )) { // ------------------------------------------------------------------ // Must generate Preview Image, Generate Image and save. // ------------------------------------------------------------------ if (!pginfo.IsLocal() && sFileName.startsWith("/")) pginfo.SetPathname(sFileName); if (!pginfo.IsLocal()) return QFileInfo(); PreviewGenerator *previewgen = new PreviewGenerator( &pginfo, QString(), PreviewGenerator::kLocal); previewgen->SetPreviewTimeAsSeconds( nSecsIn ); previewgen->SetOutputFilename ( sPreviewFileName ); bool ok = previewgen->Run(); previewgen->deleteLater(); if (!ok) return QFileInfo(); } bool bDefaultPixmap = (nWidth == 0) && (nHeight == 0); QString sNewFileName; if (bDefaultPixmap) sNewFileName = sPreviewFileName; else { sNewFileName = QString( "%1.%2.%3x%4.%5" ) .arg( sFileName ) .arg( nSecsIn ) .arg( nWidth == 0 ? -1 : nWidth ) .arg( nHeight == 0 ? -1 : nHeight ) .arg( sImageFormat.toLower() ); // ---------------------------------------------------------------------- // check to see if scaled preview image is already created and isn't // out of date // ---------------------------------------------------------------------- if (QFile::exists( sNewFileName )) { if (QFileInfo(sPreviewFileName).lastModified() <= QFileInfo(sNewFileName).lastModified()) return QFileInfo( sNewFileName ); } QImage image = QImage(sPreviewFileName); if (image.isNull()) return QFileInfo(); // We can just re-scale the default (full-size version) to avoid // a preview generator run if ( nWidth <= 0 ) image = image.scaledToHeight(nHeight, Qt::SmoothTransformation); else if ( nHeight <= 0 ) image = image.scaledToWidth(nWidth, Qt::SmoothTransformation); else image = image.scaled(nWidth, nHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); image.save(sNewFileName, sImageFormat.toUpper().toLocal8Bit()); // Let anybody update it bool ret = makeFileAccessible(sNewFileName.toLocal8Bit().constData()); if (!ret) { LOG(VB_GENERAL, LOG_ERR, "Unable to change permissions on " "preview image. Backends and frontends " "running under different users will be " "unable to access it"); } } if (QFile::exists( sNewFileName )) return QFileInfo( sNewFileName ); PreviewGenerator *previewgen = new PreviewGenerator( &pginfo, QString(), PreviewGenerator::kLocal); previewgen->SetPreviewTimeAsSeconds( nSecsIn ); previewgen->SetOutputFilename ( sNewFileName ); previewgen->SetOutputSize (QSize(nWidth,nHeight)); bool ok = previewgen->Run(); previewgen->deleteLater(); if (!ok) return QFileInfo(); return QFileInfo( sNewFileName ); }