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