src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Dialog_Processing.h"
  23
  24 #include "Global.h"
  25 #include "Resource.h"
  26 #include "Model_FileList.h"
  27 #include "Model_Progress.h"
  28 #include "Model_Settings.h"
  29 #include "Thread_Process.h"
  30 #include "Thread_CPUObserver.h"
  31 #include "Thread_RAMObserver.h"
  32 #include "Thread_DiskObserver.h"
  33 #include "Dialog_LogView.h"
  34 #include "Encoder_AAC.h"
  35 #include "Encoder_AAC_FHG.h"
  36 #include "Encoder_AAC_QAAC.h"
  37 #include "Encoder_AC3.h"
  38 #include "Encoder_DCA.h"
  39 #include "Encoder_FLAC.h"
  40 #include "Encoder_MP3.h"
  41 #include "Encoder_Vorbis.h"
  42 #include "Encoder_Opus.h"
  43 #include "Encoder_Wave.h"
  44 #include "Filter_Downmix.h"
  45 #include "Filter_Normalize.h"
  46 #include "Filter_Resample.h"
  47 #include "Filter_ToneAdjust.h"
  48 #include "WinSevenTaskbar.h"
  49
  50 #include <QApplication>
  51 #include <QRect>
  52 #include <QDesktopWidget>
  53 #include <QMovie>
  54 #include <QMessageBox>
  55 #include <QTimer>
  56 #include <QCloseEvent>
  57 #include <QDesktopServices>
  58 #include <QUrl>
  59 #include <QUuid>
  60 #include <QFileInfo>
  61 #include <QDir>
  62 #include <QMenu>
  63 #include <QSystemTrayIcon>
  64 #include <QProcess>
  65 #include <QProgressDialog>
  66 #include <QTime>
  67
  68 #include <MMSystem.h>
  69 #include <math.h>
  70 #include <float.h>
  71
  72 ////////////////////////////////////////////////////////////
  73
  74 //Maximum number of parallel instances
  75 #define MAX_INSTANCES 16U
  76
  77 //Function to calculate the number of instances
  78 static int cores2instances(int cores);
  79
  80 ////////////////////////////////////////////////////////////
  81
  82 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  83 { \
  84         QPalette palette = WIDGET->palette(); \
  85         palette.setColor(QPalette::Background, COLOR); \
  86         WIDGET->setPalette(palette); \
  87 } \
  88 while(0)
  89
  90 #define SET_PROGRESS_TEXT(TXT) do \
  91 { \
  92         label_progress->setText(TXT); \
  93         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  94 } \
  95 while(0)
  96
  97 #define SET_FONT_BOLD(WIDGET,BOLD) do \
  98 { \
  99         QFont _font = WIDGET->font(); \
 100         _font.setBold(BOLD); WIDGET->setFont(_font); \
 101 } \
 102 while(0)
 103
 104 #define UPDATE_MIN_WIDTH(WIDGET) do \
 105 { \
 106         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 107 } \
 108 while(0)
 109
 110 ////////////////////////////////////////////////////////////
 111 // Constructor
 112 ////////////////////////////////////////////////////////////
 113
 114 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, AudioFileModel *metaInfo, SettingsModel *settings, QWidget *parent)
 115 :
 116         QDialog(parent),
 117         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 118         m_settings(settings),
 119         m_metaInfo(metaInfo),
 120         m_shutdownFlag(shutdownFlag_None),
 121         m_diskObserver(NULL),
 122         m_cpuObserver(NULL),
 123         m_ramObserver(NULL),
 124         m_firstShow(true)
 125 {
 126         //Init the dialog, from the .ui file
 127         setupUi(this);
 128         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 129
 130         //Update header icon
 131         label_headerIcon->setPixmap(lamexp_app_icon().pixmap(label_headerIcon->size()));
 132
 133         //Setup version info
 134         label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 135         label_versionInfo->installEventFilter(this);
 136
 137         //Register meta type
 138         qRegisterMetaType<QUuid>("QUuid");
 139
 140         //Center window in screen
 141         QRect desktopRect = QApplication::desktop()->screenGeometry();
 142         QRect thisRect = this->geometry();
 143         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 144         setMinimumSize(thisRect.width(), thisRect.height());
 145
 146         //Enable buttons
 147         connect(button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 148
 149         //Init progress indicator
 150         m_progressIndicator = new QMovie(":/images/Working.gif");
 151         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 152         m_progressIndicator->setSpeed(50);
 153         label_headerWorking->setMovie(m_progressIndicator);
 154         progressBar->setValue(0);
 155
 156         //Init progress model
 157         m_progressModel = new ProgressModel();
 158         view_log->setModel(m_progressModel);
 159         view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 160         view_log->verticalHeader()->hide();
 161         view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 162         view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 163         view_log->viewport()->installEventFilter(this);
 164         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 165         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 166         connect(view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 167         connect(view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 168
 169         //Create context menu
 170         m_contextMenu = new QMenu();
 171         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 172         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 173
 174         view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 175         connect(view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 176         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 177         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 178         SET_FONT_BOLD(contextMenuDetailsAction, true);
 179
 180         //Enque jobs
 181         if(fileListModel)
 182         {
 183                 for(int i = 0; i < fileListModel->rowCount(); i++)
 184                 {
 185                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 186                 }
 187         }
 188
 189         //Translate
 190         label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 191
 192         //Enable system tray icon
 193         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 194
 195         //Init other vars
 196         m_runningThreads = 0;
 197         m_currentFile = 0;
 198         m_allJobs.clear();
 199         m_succeededJobs.clear();
 200         m_failedJobs.clear();
 201         m_userAborted = false;
 202         m_forcedAbort = false;
 203         m_timerStart = 0I64;
 204 }
 205
 206 ////////////////////////////////////////////////////////////
 207 // Destructor
 208 ////////////////////////////////////////////////////////////
 209
 210 ProcessingDialog::~ProcessingDialog(void)
 211 {
 212         view_log->setModel(NULL);
 213
 214         if(m_progressIndicator)
 215         {
 216                 m_progressIndicator->stop();
 217         }
 218
 219         if(m_diskObserver)
 220         {
 221                 m_diskObserver->stop();
 222                 if(!m_diskObserver->wait(15000))
 223                 {
 224                         m_diskObserver->terminate();
 225                         m_diskObserver->wait();
 226                 }
 227         }
 228         if(m_cpuObserver)
 229         {
 230                 m_cpuObserver->stop();
 231                 if(!m_cpuObserver->wait(15000))
 232                 {
 233                         m_cpuObserver->terminate();
 234                         m_cpuObserver->wait();
 235                 }
 236         }
 237         if(m_ramObserver)
 238         {
 239                 m_ramObserver->stop();
 240                 if(!m_ramObserver->wait(15000))
 241                 {
 242                         m_ramObserver->terminate();
 243                         m_ramObserver->wait();
 244                 }
 245         }
 246
 247         LAMEXP_DELETE(m_progressIndicator);
 248         LAMEXP_DELETE(m_progressModel);
 249         LAMEXP_DELETE(m_contextMenu);
 250         LAMEXP_DELETE(m_systemTray);
 251         LAMEXP_DELETE(m_diskObserver);
 252         LAMEXP_DELETE(m_cpuObserver);
 253         LAMEXP_DELETE(m_ramObserver);
 254
 255         WinSevenTaskbar::setOverlayIcon(this, NULL);
 256         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 257
 258         while(!m_threadList.isEmpty())
 259         {
 260                 ProcessThread *thread = m_threadList.takeFirst();
 261                 thread->terminate();
 262                 thread->wait(15000);
 263                 delete thread;
 264         }
 265 }
 266
 267 ////////////////////////////////////////////////////////////
 268 // EVENTS
 269 ////////////////////////////////////////////////////////////
 270
 271 void ProcessingDialog::showEvent(QShowEvent *event)
 272 {
 273         QDialog::showEvent(event);
 274
 275         if(m_firstShow)
 276         {
 277                 static const char *NA = " N/A";
 278
 279                 setCloseButtonEnabled(false);
 280                 button_closeDialog->setEnabled(false);
 281                 button_AbortProcess->setEnabled(false);
 282                 m_systemTray->setVisible(true);
 283
 284                 if(!SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS))
 285                 {
 286                         SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
 287                 }
 288
 289                 label_cpu->setText(NA);
 290                 label_disk->setText(NA);
 291                 label_ram->setText(NA);
 292
 293                 QTimer::singleShot(1000, this, SLOT(initEncoding()));
 294                 m_firstShow = false;
 295         }
 296 }
 297
 298 void ProcessingDialog::closeEvent(QCloseEvent *event)
 299 {
 300         if(!button_closeDialog->isEnabled())
 301         {
 302                 event->ignore();
 303         }
 304         else
 305         {
 306                 m_systemTray->setVisible(false);
 307         }
 308 }
 309
 310 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 311 {
 312         static QColor defaultColor = QColor();
 313
 314         if(obj == label_versionInfo)
 315         {
 316                 if(event->type() == QEvent::Enter)
 317                 {
 318                         QPalette palette = label_versionInfo->palette();
 319                         defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 320                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 321                         label_versionInfo->setPalette(palette);
 322                 }
 323                 else if(event->type() == QEvent::Leave)
 324                 {
 325                         QPalette palette = label_versionInfo->palette();
 326                         palette.setColor(QPalette::Normal, QPalette::WindowText, defaultColor);
 327                         label_versionInfo->setPalette(palette);
 328                 }
 329                 else if(event->type() == QEvent::MouseButtonPress)
 330                 {
 331                         QUrl url(lamexp_website_url());
 332                         QDesktopServices::openUrl(url);
 333                 }
 334         }
 335
 336         return false;
 337 }
 338
 339 bool ProcessingDialog::event(QEvent *e)
 340 {
 341         switch(e->type())
 342         {
 343         case lamexp_event_queryendsession:
 344                 qWarning("System is shutting down, preparing to abort...");
 345                 if(!m_userAborted) abortEncoding(true);
 346                 return true;
 347         case lamexp_event_endsession:
 348                 qWarning("System is shutting down, encoding will be aborted now...");
 349                 if(isVisible())
 350                 {
 351                         while(!close())
 352                         {
 353                                 if(!m_userAborted) abortEncoding(true);
 354                                 QApplication::processEvents(QEventLoop::WaitForMoreEvents & QEventLoop::ExcludeUserInputEvents);
 355                         }
 356                 }
 357                 m_pendingJobs.clear();
 358                 return true;
 359         default:
 360                 return QDialog::event(e);
 361         }
 362 }
 363
 364 bool ProcessingDialog::winEvent(MSG *message, long *result)
 365 {
 366         return WinSevenTaskbar::handleWinEvent(message, result);
 367 }
 368
 369 ////////////////////////////////////////////////////////////
 370 // SLOTS
 371 ////////////////////////////////////////////////////////////
 372
 373 void ProcessingDialog::initEncoding(void)
 374 {
 375         qDebug("Initializing encoding process...");
 376
 377         m_runningThreads = 0;
 378         m_currentFile = 0;
 379         m_allJobs.clear();
 380         m_succeededJobs.clear();
 381         m_failedJobs.clear();
 382         m_userAborted = false;
 383         m_forcedAbort = false;
 384         m_playList.clear();
 385
 386         CHANGE_BACKGROUND_COLOR(frame_header, QColor(Qt::white));
 387         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 388         m_progressIndicator->start();
 389
 390         button_closeDialog->setEnabled(false);
 391         button_AbortProcess->setEnabled(true);
 392         progressBar->setRange(0, m_pendingJobs.count());
 393         checkBox_shutdownComputer->setEnabled(true);
 394         checkBox_shutdownComputer->setChecked(false);
 395
 396         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 397         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 398         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 399
 400         if(!m_diskObserver)
 401         {
 402                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2());
 403                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 404                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 405                 m_diskObserver->start();
 406         }
 407         if(!m_cpuObserver)
 408         {
 409                 m_cpuObserver = new CPUObserverThread();
 410                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 411                 m_cpuObserver->start();
 412         }
 413         if(!m_ramObserver)
 414         {
 415                 m_ramObserver = new RAMObserverThread();
 416                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 417                 m_ramObserver->start();
 418         }
 419
 420         unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 421         if(maximumInstances < 1)
 422         {
 423                 lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features(lamexp_arguments());
 424                 maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 425         }
 426
 427         maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 428         if(maximumInstances > 1)
 429         {
 430                 m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 431         }
 432
 433         for(unsigned int i = 0; i < maximumInstances; i++)
 434         {
 435                 startNextJob();
 436         }
 437
 438         LARGE_INTEGER counter;
 439         if(QueryPerformanceCounter(&counter))
 440         {
 441                 m_timerStart = counter.QuadPart;
 442         }
 443 }
 444
 445 void ProcessingDialog::abortEncoding(bool force)
 446 {
 447         m_userAborted = true;
 448         if(force) m_forcedAbort = true;
 449         button_AbortProcess->setEnabled(false);
 450         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 451
 452         for(int i = 0; i < m_threadList.count(); i++)
 453         {
 454                 m_threadList.at(i)->abort();
 455         }
 456 }
 457
 458 void ProcessingDialog::doneEncoding(void)
 459 {
 460         m_runningThreads--;
 461         progressBar->setValue(progressBar->value() + 1);
 462
 463         if(!m_userAborted)
 464         {
 465                 SET_PROGRESS_TEXT(tr("Encoding: %1 files of %2 completed so far, please wait...").arg(QString::number(progressBar->value()), QString::number(progressBar->maximum())));
 466                 WinSevenTaskbar::setTaskbarProgress(this, progressBar->value(), progressBar->maximum());
 467         }
 468
 469         int index = m_threadList.indexOf(dynamic_cast<ProcessThread*>(QWidget::sender()));
 470         if(index >= 0)
 471         {
 472                 m_threadList.takeAt(index)->deleteLater();
 473         }
 474
 475         if(!m_pendingJobs.isEmpty() && !m_userAborted)
 476         {
 477                 startNextJob();
 478                 qDebug("Running jobs: %u", m_runningThreads);
 479                 return;
 480         }
 481
 482         if(m_runningThreads > 0)
 483         {
 484                 qDebug("Running jobs: %u", m_runningThreads);
 485                 return;
 486         }
 487
 488         QApplication::setOverrideCursor(Qt::WaitCursor);
 489         qDebug("Running jobs: %u", m_runningThreads);
 490
 491         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 492         {
 493                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 494                 QApplication::processEvents();
 495                 writePlayList();
 496         }
 497
 498         if(m_userAborted)
 499         {
 500                 CHANGE_BACKGROUND_COLOR(frame_header, QColor("#FFF3BA"));
 501                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 502                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 503                 SET_PROGRESS_TEXT((m_succeededJobs.count() > 0) ? tr("Process was aborted by the user after %1 file(s)!").arg(QString::number(m_succeededJobs.count())) : tr("Process was aborted prematurely by the user!"));
 504                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 505                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 506                 QApplication::processEvents();
 507                 if(m_settings->soundsEnabled() && !m_forcedAbort)
 508                 {
 509                         PlaySound(MAKEINTRESOURCE(IDR_WAVE_ABORTED), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 510                 }
 511         }
 512         else
 513         {
 514                 LARGE_INTEGER counter, frequency;
 515                 if(QueryPerformanceCounter(&counter) && QueryPerformanceFrequency(&frequency))
 516                 {
 517                         if((m_timerStart > 0I64) && (frequency.QuadPart > 0I64) && (m_timerStart < counter.QuadPart))
 518                         {
 519                                 double timeElapsed = static_cast<double>(counter.QuadPart - m_timerStart) / static_cast<double>(frequency.QuadPart);
 520                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 521                         }
 522                 }
 523
 524                 if(m_failedJobs.count() > 0)
 525                 {
 526                         CHANGE_BACKGROUND_COLOR(frame_header, QColor("#FFBABA"));
 527                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 528                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 529                         SET_PROGRESS_TEXT(tr("Error: %1 of %2 files failed. Double-click failed items for detailed information!").arg(QString::number(m_failedJobs.count()), QString::number(m_failedJobs.count() + m_succeededJobs.count())));
 530                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 531                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 532                         QApplication::processEvents();
 533                         if(m_settings->soundsEnabled()) PlaySound(MAKEINTRESOURCE(IDR_WAVE_ERROR), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 534                 }
 535                 else
 536                 {
 537                         CHANGE_BACKGROUND_COLOR(frame_header, QColor("#E0FFE2"));
 538                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 539                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 540                         SET_PROGRESS_TEXT(tr("All files completed successfully."));
 541                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 542                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 543                         QApplication::processEvents();
 544                         if(m_settings->soundsEnabled()) PlaySound(MAKEINTRESOURCE(IDR_WAVE_SUCCESS), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 545                 }
 546         }
 547
 548         setCloseButtonEnabled(true);
 549         button_closeDialog->setEnabled(true);
 550         button_AbortProcess->setEnabled(false);
 551         checkBox_shutdownComputer->setEnabled(false);
 552
 553         m_progressModel->restoreHiddenItems();
 554         view_log->scrollToBottom();
 555         m_progressIndicator->stop();
 556         progressBar->setValue(progressBar->maximum());
 557         WinSevenTaskbar::setTaskbarProgress(this, progressBar->value(), progressBar->maximum());
 558
 559         QApplication::restoreOverrideCursor();
 560
 561         if(!m_userAborted && checkBox_shutdownComputer->isChecked())
 562         {
 563                 if(shutdownComputer())
 564                 {
 565                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 566                         accept();
 567                 }
 568         }
 569 }
 570
 571 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, bool success)
 572 {
 573         if(success)
 574         {
 575                 m_playList.insert(jobId, outFileName);
 576                 m_succeededJobs.append(jobId);
 577         }
 578         else
 579         {
 580                 m_failedJobs.append(jobId);
 581         }
 582 }
 583
 584 void ProcessingDialog::progressModelChanged(void)
 585 {
 586         view_log->scrollToBottom();
 587 }
 588
 589 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 590 {
 591         if(m_runningThreads == 0)
 592         {
 593                 const QStringList &logFile = m_progressModel->getLogFile(index);
 594
 595                 if(!logFile.isEmpty())
 596                 {
 597                         LogViewDialog *logView = new LogViewDialog(this);
 598                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 599                         logView->exec(logFile);
 600                         LAMEXP_DELETE(logView);
 601                 }
 602                 else
 603                 {
 604                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 605                 }
 606         }
 607         else
 608         {
 609                 MessageBeep(MB_ICONWARNING);
 610         }
 611 }
 612
 613 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 614 {
 615         if(logicalIndex == 1)
 616         {
 617                 if(QHeaderView *hdr = view_log->horizontalHeader())
 618                 {
 619                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 620                 }
 621         }
 622 }
 623
 624 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 625 {
 626         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 627         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 628
 629         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 630         {
 631                 m_contextMenu->popup(sender->mapToGlobal(pos));
 632         }
 633 }
 634
 635 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 636 {
 637         QModelIndex index = view_log->indexAt(view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 638         logViewDoubleClicked(index.isValid() ? index : view_log->currentIndex());
 639 }
 640
 641 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 642 {
 643         QModelIndex index = view_log->indexAt(view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 644         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : view_log->currentIndex());
 645         QString filePath = m_playList.value(jobId, QString());
 646
 647         if(filePath.isEmpty())
 648         {
 649                 MessageBeep(MB_ICONWARNING);
 650                 return;
 651         }
 652
 653         if(QFileInfo(filePath).exists())
 654         {
 655                 QString systemRootPath;
 656
 657                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 658                 if(systemRoot.exists() && systemRoot.cdUp())
 659                 {
 660                         systemRootPath = systemRoot.canonicalPath();
 661                 }
 662
 663                 if(!systemRootPath.isEmpty())
 664                 {
 665                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 666                         if(explorer.exists() && explorer.isFile())
 667                         {
 668                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 669                                 return;
 670                         }
 671                 }
 672                 else
 673                 {
 674                         qWarning("SystemRoot directory could not be detected!");
 675                 }
 676         }
 677         else
 678         {
 679                 qWarning("File not found: %s", filePath.toLatin1().constData());
 680                 MessageBeep(MB_ICONERROR);
 681         }
 682 }
 683
 684 ////////////////////////////////////////////////////////////
 685 // Private Functions
 686 ////////////////////////////////////////////////////////////
 687
 688 void ProcessingDialog::startNextJob(void)
 689 {
 690         if(m_pendingJobs.isEmpty())
 691         {
 692                 return;
 693         }
 694
 695         m_currentFile++;
 696         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 697         bool nativeResampling = false;
 698
 699         //Create encoder instance
 700         AbstractEncoder *encoder = makeEncoder(&nativeResampling);
 701
 702         //Create processing thread
 703         ProcessThread *thread = new ProcessThread
 704         (
 705                 currentFile,
 706                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 707                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2()),
 708                 encoder,
 709                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 710         );
 711
 712         //Add audio filters
 713         if(m_settings->forceStereoDownmix())
 714         {
 715                 thread->addFilter(new DownmixFilter());
 716         }
 717         if((m_settings->samplingRate() > 0) && !nativeResampling)
 718         {
 719                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.formatAudioSamplerate() || currentFile.formatAudioSamplerate() == 0)
 720                 {
 721                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 722                 }
 723         }
 724         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 725         {
 726                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 727         }
 728         if(m_settings->normalizationFilterEnabled())
 729         {
 730                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEqualizationMode()));
 731         }
 732         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 733         {
 734                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 735         }
 736
 737         m_threadList.append(thread);
 738         m_allJobs.append(thread->getId());
 739
 740         //Connect thread signals
 741         connect(thread, SIGNAL(finished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 742         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 743         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 744         connect(thread, SIGNAL(processStateFinished(QUuid,QString,bool)), this, SLOT(processFinished(QUuid,QString,bool)), Qt::QueuedConnection);
 745         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 746
 747         //Give it a go!
 748         m_runningThreads++;
 749         thread->start();
 750 }
 751
 752 AbstractEncoder *ProcessingDialog::makeEncoder(bool *nativeResampling)
 753 {
 754         AbstractEncoder *encoder =  NULL;
 755         *nativeResampling = false;
 756
 757         switch(m_settings->compressionEncoder())
 758         {
 759         case SettingsModel::MP3Encoder:
 760                 {
 761                         MP3Encoder *mp3Encoder = new MP3Encoder();
 762                         mp3Encoder->setBitrate(m_settings->compressionBitrate());
 763                         mp3Encoder->setRCMode(m_settings->compressionRCMode());
 764                         mp3Encoder->setAlgoQuality(m_settings->lameAlgoQuality());
 765                         if(m_settings->bitrateManagementEnabled())
 766                         {
 767                                 mp3Encoder->setBitrateLimits(m_settings->bitrateManagementMinRate(), m_settings->bitrateManagementMaxRate());
 768                         }
 769                         if(m_settings->samplingRate() > 0)
 770                         {
 771                                 mp3Encoder->setSamplingRate(SettingsModel::samplingRates[m_settings->samplingRate()]);
 772                                 *nativeResampling = true;
 773                         }
 774                         mp3Encoder->setChannelMode(m_settings->lameChannelMode());
 775                         mp3Encoder->setCustomParams(m_settings->customParametersLAME());
 776                         encoder = mp3Encoder;
 777                 }
 778                 break;
 779         case SettingsModel::VorbisEncoder:
 780                 {
 781                         VorbisEncoder *vorbisEncoder = new VorbisEncoder();
 782                         vorbisEncoder->setBitrate(m_settings->compressionBitrate());
 783                         vorbisEncoder->setRCMode(m_settings->compressionRCMode());
 784                         if(m_settings->bitrateManagementEnabled())
 785                         {
 786                                 vorbisEncoder->setBitrateLimits(m_settings->bitrateManagementMinRate(), m_settings->bitrateManagementMaxRate());
 787                         }
 788                         if(m_settings->samplingRate() > 0)
 789                         {
 790                                 vorbisEncoder->setSamplingRate(SettingsModel::samplingRates[m_settings->samplingRate()]);
 791                                 *nativeResampling = true;
 792                         }
 793                         vorbisEncoder->setCustomParams(m_settings->customParametersOggEnc());
 794                         encoder = vorbisEncoder;
 795                 }
 796                 break;
 797         case SettingsModel::AACEncoder:
 798                 {
 799                         if(lamexp_check_tool("qaac.exe") && lamexp_check_tool("libsoxrate.dll"))
 800                         {
 801                                 QAACEncoder *aacEncoder = new QAACEncoder();
 802                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 803                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 804                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 805                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
 806                                 encoder = aacEncoder;
 807                         }
 808                         else if(lamexp_check_tool("fhgaacenc.exe") && lamexp_check_tool("enc_fhgaac.dll"))
 809                         {
 810                                 FHGAACEncoder *aacEncoder = new FHGAACEncoder();
 811                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 812                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 813                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 814                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
 815                                 encoder = aacEncoder;
 816                         }
 817                         else
 818                         {
 819                                 AACEncoder *aacEncoder = new AACEncoder();
 820                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 821                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 822                                 aacEncoder->setEnable2Pass(m_settings->neroAACEnable2Pass());
 823                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 824                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
 825                                 encoder = aacEncoder;
 826                         }
 827                 }
 828                 break;
 829         case SettingsModel::AC3Encoder:
 830                 {
 831                         AC3Encoder *ac3Encoder = new AC3Encoder();
 832                         ac3Encoder->setBitrate(m_settings->compressionBitrate());
 833                         ac3Encoder->setRCMode(m_settings->compressionRCMode());
 834                         ac3Encoder->setCustomParams(m_settings->customParametersAften());
 835                         ac3Encoder->setAudioCodingMode(m_settings->aftenAudioCodingMode());
 836                         ac3Encoder->setDynamicRangeCompression(m_settings->aftenDynamicRangeCompression());
 837                         ac3Encoder->setExponentSearchSize(m_settings->aftenExponentSearchSize());
 838                         ac3Encoder->setFastBitAllocation(m_settings->aftenFastBitAllocation());
 839                         encoder = ac3Encoder;
 840                 }
 841                 break;
 842         case SettingsModel::FLACEncoder:
 843                 {
 844                         FLACEncoder *flacEncoder = new FLACEncoder();
 845                         flacEncoder->setBitrate(m_settings->compressionBitrate());
 846                         flacEncoder->setRCMode(m_settings->compressionRCMode());
 847                         flacEncoder->setCustomParams(m_settings->customParametersFLAC());
 848                         encoder = flacEncoder;
 849                 }
 850                 break;
 851         case SettingsModel::OpusEncoder:
 852                 {
 853                         OpusEncoder *opusEncoder = new OpusEncoder();
 854                         opusEncoder->setBitrate(m_settings->compressionBitrate());
 855                         opusEncoder->setRCMode(m_settings->compressionRCMode());
 856                         opusEncoder->setOptimizeFor(m_settings->opusOptimizeFor());
 857                         opusEncoder->setEncodeComplexity(m_settings->opusComplexity());
 858                         opusEncoder->setFrameSize(m_settings->opusFramesize());
 859                         opusEncoder->setExpAnalysisOn(m_settings->opusExpAnalysis());
 860                         //TODO: opusEncoder->setCustomParams(m_settings->customParametersOpus());
 861                         encoder = opusEncoder;
 862                 }
 863                 break;  case SettingsModel::DCAEncoder:
 864                 {
 865                         DCAEncoder *dcaEncoder = new DCAEncoder();
 866                         dcaEncoder->setBitrate(m_settings->compressionBitrate());
 867                         dcaEncoder->setRCMode(m_settings->compressionRCMode());
 868                         encoder = dcaEncoder;
 869                 }
 870                 break;
 871         case SettingsModel::PCMEncoder:
 872                 {
 873                         WaveEncoder *waveEncoder = new WaveEncoder();
 874                         waveEncoder->setBitrate(m_settings->compressionBitrate());
 875                         waveEncoder->setRCMode(m_settings->compressionRCMode());
 876                         encoder = waveEncoder;
 877                 }
 878                 break;
 879         default:
 880                 throw "Unsupported encoder!";
 881         }
 882
 883         return encoder;
 884 }
 885
 886 void ProcessingDialog::writePlayList(void)
 887 {
 888         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 889         {
 890                 qWarning("WritePlayList: Nothing to do!");
 891                 return;
 892         }
 893
 894         //Init local variables
 895         QStringList list;
 896         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 897         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 898         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 899         bool usePrefix[3] = {true, true, true};
 900         bool useUtf8 = false;
 901         int counter = 1;
 902
 903         //Generate playlist name
 904         QString playListName = (m_metaInfo->fileAlbum().isEmpty() ? "Playlist" : m_metaInfo->fileAlbum());
 905         if(!m_metaInfo->fileArtist().isEmpty())
 906         {
 907                 playListName = QString("%1 - %2").arg(m_metaInfo->fileArtist(), playListName);
 908         }
 909
 910         //Clean playlist name
 911         playListName = lamexp_clean_filename(playListName);
 912
 913         //Create list of audio files
 914         for(int i = 0; i < m_allJobs.count(); i++)
 915         {
 916                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 917                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 918         }
 919
 920         //Use prefix?
 921         for(int i = 0; i < list.count(); i++)
 922         {
 923                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
 924                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
 925                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
 926         }
 927         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
 928         {
 929                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
 930         }
 931
 932         //Do we need an UTF-8 playlist?
 933         for(int i = 0; i < list.count(); i++)
 934         {
 935                 if(wcscmp(QWCHAR(QString::fromLatin1(list.at(i).toLatin1().constData())), QWCHAR(list.at(i))))
 936                 {
 937                         useUtf8 = true;
 938                         break;
 939                 }
 940         }
 941
 942         //Generate playlist output file
 943         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
 944         while(QFileInfo(playListFile).exists())
 945         {
 946                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
 947         }
 948
 949         //Now write playlist to output file
 950         QFile playList(playListFile);
 951         if(playList.open(QIODevice::WriteOnly))
 952         {
 953                 if(useUtf8)
 954                 {
 955                         playList.write("\xef\xbb\xbf");
 956                 }
 957                 playList.write("#EXTM3U\r\n");
 958                 while(!list.isEmpty())
 959                 {
 960                         playList.write(useUtf8 ? list.takeFirst().toUtf8().constData() : list.takeFirst().toLatin1().constData());
 961                         playList.write("\r\n");
 962                 }
 963                 playList.close();
 964         }
 965         else
 966         {
 967                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
 968         }
 969 }
 970
 971 AudioFileModel ProcessingDialog::updateMetaInfo(const AudioFileModel &audioFile)
 972 {
 973         if(!m_settings->writeMetaTags())
 974         {
 975                 return AudioFileModel(audioFile, false);
 976         }
 977
 978         AudioFileModel result = audioFile;
 979         result.updateMetaInfo(*m_metaInfo);
 980
 981         if(m_metaInfo->filePosition() == UINT_MAX)
 982         {
 983                 result.setFilePosition(m_currentFile);
 984         }
 985
 986         return result;
 987 }
 988
 989 void ProcessingDialog::setCloseButtonEnabled(bool enabled)
 990 {
 991         HMENU hMenu = GetSystemMenu((HWND) winId(), FALSE);
 992         EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | (enabled ? MF_ENABLED : MF_GRAYED));
 993 }
 994
 995 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
 996 {
 997         if(reason == QSystemTrayIcon::DoubleClick)
 998         {
 999                 SetForegroundWindow(reinterpret_cast<HWND>(this->winId()));
1000         }
1001 }
1002
1003 void ProcessingDialog::cpuUsageHasChanged(const double val)
1004 {
1005
1006         this->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1007         UPDATE_MIN_WIDTH(label_cpu);
1008 }
1009
1010 void ProcessingDialog::ramUsageHasChanged(const double val)
1011 {
1012
1013         this->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1014         UPDATE_MIN_WIDTH(label_ram);
1015 }
1016
1017 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1018 {
1019         int postfix = 0;
1020         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1021         double space = static_cast<double>(val);
1022
1023         while((space >= 1000.0) && (postfix < 5))
1024         {
1025                 space = space / 1024.0;
1026                 postfix++;
1027         }
1028
1029         this->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1030         UPDATE_MIN_WIDTH(label_disk);
1031 }
1032
1033 bool ProcessingDialog::shutdownComputer(void)
1034 {
1035         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1036         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1037         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1038
1039         qWarning("Initiating shutdown sequence!");
1040
1041         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1042         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1043         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1044         progressDialog.setModal(true);
1045         progressDialog.setAutoClose(false);
1046         progressDialog.setAutoReset(false);
1047         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1048         progressDialog.setCancelButton(cancelButton);
1049         progressDialog.show();
1050
1051         QApplication::processEvents();
1052
1053         if(m_settings->soundsEnabled())
1054         {
1055                 QApplication::setOverrideCursor(Qt::WaitCursor);
1056                 PlaySound(MAKEINTRESOURCE(IDR_WAVE_SHUTDOWN), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
1057                 QApplication::restoreOverrideCursor();
1058         }
1059
1060         QTimer timer;
1061         timer.setInterval(1000);
1062         timer.start();
1063
1064         QEventLoop eventLoop(this);
1065         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1066         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1067
1068         for(int i = 1; i <= iTimeout; i++)
1069         {
1070                 eventLoop.exec();
1071                 if(progressDialog.wasCanceled())
1072                 {
1073                         progressDialog.close();
1074                         return false;
1075                 }
1076                 progressDialog.setValue(i+1);
1077                 progressDialog.setLabelText(text.arg(iTimeout-i));
1078                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1079                 QApplication::processEvents();
1080                 PlaySound(MAKEINTRESOURCE((i < iTimeout) ? IDR_WAVE_BEEP : IDR_WAVE_BEEP_LONG), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
1081         }
1082
1083         progressDialog.close();
1084         return true;
1085 }
1086
1087 QString ProcessingDialog::time2text(const double timeVal) const
1088 {
1089         double intPart = 0;
1090         double frcPart = modf(timeVal, &intPart);
1091         int x = 0, y = 0; QString a, b;
1092
1093         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1094
1095         if(time.hour() > 0)
1096         {
1097                 x = time.hour();   a = tr("hour(s)");
1098                 y = time.minute(); b = tr("minute(s)");
1099         }
1100         else if(time.minute() > 0)
1101         {
1102                 x = time.minute(); a = tr("minute(s)");
1103                 y = time.second(); b = tr("second(s)");
1104         }
1105         else
1106         {
1107                 x = time.second(); a = tr("second(s)");
1108                 y = time.msec();   b = tr("millisecond(s)");
1109         }
1110
1111         return QString("%1 %2, %3 %4").arg(QString::number(x), a, QString::number(y), b);
1112 }
1113
1114 ////////////////////////////////////////////////////////////
1115 // HELPER FUNCTIONS
1116 ////////////////////////////////////////////////////////////
1117
1118 static int cores2instances(int cores)
1119 {
1120         //This function is a "cubic spline" with sampling points at:
1121         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1122         static const double LUT[8][5] =
1123         {
1124                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1125                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1126                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1127                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1128                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1129                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1130                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1131                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1132         };
1133
1134         double x = abs(static_cast<double>(cores)), y = 1.0;
1135
1136         for(size_t i = 0; i < 7; i++)
1137         {
1138                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1139                 {
1140                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1141                         break;
1142                 }
1143         }
1144
1145         return qRound(y);
1146 }