src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2011 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_Wave.h"
  43 #include "Filter_Downmix.h"
  44 #include "Filter_Normalize.h"
  45 #include "Filter_Resample.h"
  46 #include "Filter_ToneAdjust.h"
  47 #include "WinSevenTaskbar.h"
  48
  49 #include <QApplication>
  50 #include <QRect>
  51 #include <QDesktopWidget>
  52 #include <QMovie>
  53 #include <QMessageBox>
  54 #include <QTimer>
  55 #include <QCloseEvent>
  56 #include <QDesktopServices>
  57 #include <QUrl>
  58 #include <QUuid>
  59 #include <QFileInfo>
  60 #include <QDir>
  61 #include <QMenu>
  62 #include <QSystemTrayIcon>
  63 #include <QProcess>
  64 #include <QProgressDialog>
  65 #include <QTime>
  66
  67 #include <MMSystem.h>
  68 #include <math.h>
  69 #include <float.h>
  70
  71 ////////////////////////////////////////////////////////////
  72
  73 //Maximum number of parallel instances
  74 #define MAX_INSTANCES 16U
  75
  76 //Function to calculate the number of instances
  77 static int cores2instances(int cores);
  78
  79 ////////////////////////////////////////////////////////////
  80
  81 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) \
  82 { \
  83         QPalette palette = WIDGET->palette(); \
  84         palette.setColor(QPalette::Background, COLOR); \
  85         WIDGET->setPalette(palette); \
  86 }
  87
  88 #define SET_PROGRESS_TEXT(TXT) \
  89 { \
  90         label_progress->setText(TXT); \
  91         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  92 }
  93
  94 #define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = WIDGET->font(); _font.setBold(BOLD); WIDGET->setFont(_font); }
  95 #define UPDATE_MIN_WIDTH(WIDGET) { if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); }
  96
  97 ////////////////////////////////////////////////////////////
  98 // Constructor
  99 ////////////////////////////////////////////////////////////
 100
 101 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, AudioFileModel *metaInfo, SettingsModel *settings, QWidget *parent)
 102 :
 103         QDialog(parent),
 104         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 105         m_settings(settings),
 106         m_metaInfo(metaInfo),
 107         m_shutdownFlag(shutdownFlag_None),
 108         m_diskObserver(NULL),
 109         m_cpuObserver(NULL),
 110         m_ramObserver(NULL)
 111 {
 112         //Init the dialog, from the .ui file
 113         setupUi(this);
 114         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 115
 116         //Update header icon
 117         label_headerIcon->setPixmap(lamexp_app_icon().pixmap(label_headerIcon->size()));
 118
 119         //Setup version info
 120         label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 121         label_versionInfo->installEventFilter(this);
 122
 123         //Register meta type
 124         qRegisterMetaType<QUuid>("QUuid");
 125
 126         //Center window in screen
 127         QRect desktopRect = QApplication::desktop()->screenGeometry();
 128         QRect thisRect = this->geometry();
 129         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 130         setMinimumSize(thisRect.width(), thisRect.height());
 131
 132         //Enable buttons
 133         connect(button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 134
 135         //Init progress indicator
 136         m_progressIndicator = new QMovie(":/images/Working.gif");
 137         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 138         m_progressIndicator->setSpeed(50);
 139         label_headerWorking->setMovie(m_progressIndicator);
 140         progressBar->setValue(0);
 141
 142         //Init progress model
 143         m_progressModel = new ProgressModel();
 144         view_log->setModel(m_progressModel);
 145         view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 146         view_log->verticalHeader()->hide();
 147         view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 148         view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 149         view_log->viewport()->installEventFilter(this);
 150         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 151         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 152         connect(view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 153         connect(view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 154
 155         //Create context menu
 156         m_contextMenu = new QMenu();
 157         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 158         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 159
 160         view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 161         connect(view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 162         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 163         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 164         SET_FONT_BOLD(contextMenuDetailsAction, true);
 165
 166         //Enque jobs
 167         if(fileListModel)
 168         {
 169                 for(int i = 0; i < fileListModel->rowCount(); i++)
 170                 {
 171                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 172                 }
 173         }
 174
 175         //Translate
 176         label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 177
 178         //Enable system tray icon
 179         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 180
 181         //Init other vars
 182         m_runningThreads = 0;
 183         m_currentFile = 0;
 184         m_allJobs.clear();
 185         m_succeededJobs.clear();
 186         m_failedJobs.clear();
 187         m_userAborted = false;
 188         m_timerStart = 0I64;
 189 }
 190
 191 ////////////////////////////////////////////////////////////
 192 // Destructor
 193 ////////////////////////////////////////////////////////////
 194
 195 ProcessingDialog::~ProcessingDialog(void)
 196 {
 197         view_log->setModel(NULL);
 198
 199         if(m_progressIndicator)
 200         {
 201                 m_progressIndicator->stop();
 202         }
 203
 204         if(m_diskObserver)
 205         {
 206                 m_diskObserver->stop();
 207                 if(!m_diskObserver->wait(15000))
 208                 {
 209                         m_diskObserver->terminate();
 210                         m_diskObserver->wait();
 211                 }
 212         }
 213         if(m_cpuObserver)
 214         {
 215                 m_cpuObserver->stop();
 216                 if(!m_cpuObserver->wait(15000))
 217                 {
 218                         m_cpuObserver->terminate();
 219                         m_cpuObserver->wait();
 220                 }
 221         }
 222         if(m_ramObserver)
 223         {
 224                 m_ramObserver->stop();
 225                 if(!m_ramObserver->wait(15000))
 226                 {
 227                         m_ramObserver->terminate();
 228                         m_ramObserver->wait();
 229                 }
 230         }
 231
 232         LAMEXP_DELETE(m_progressIndicator);
 233         LAMEXP_DELETE(m_progressModel);
 234         LAMEXP_DELETE(m_contextMenu);
 235         LAMEXP_DELETE(m_systemTray);
 236         LAMEXP_DELETE(m_diskObserver);
 237         LAMEXP_DELETE(m_cpuObserver);
 238         LAMEXP_DELETE(m_ramObserver);
 239
 240         WinSevenTaskbar::setOverlayIcon(this, NULL);
 241         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 242
 243         while(!m_threadList.isEmpty())
 244         {
 245                 ProcessThread *thread = m_threadList.takeFirst();
 246                 thread->terminate();
 247                 thread->wait(15000);
 248                 delete thread;
 249         }
 250 }
 251
 252 ////////////////////////////////////////////////////////////
 253 // EVENTS
 254 ////////////////////////////////////////////////////////////
 255
 256 void ProcessingDialog::showEvent(QShowEvent *event)
 257 {
 258         static const char *NA = " N/A";
 259
 260         setCloseButtonEnabled(false);
 261         button_closeDialog->setEnabled(false);
 262         button_AbortProcess->setEnabled(false);
 263         m_systemTray->setVisible(true);
 264
 265         if(!SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS))
 266         {
 267                 SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
 268         }
 269
 270         label_cpu->setText(NA);
 271         label_disk->setText(NA);
 272         label_ram->setText(NA);
 273
 274         QTimer::singleShot(1000, this, SLOT(initEncoding()));
 275 }
 276
 277 void ProcessingDialog::closeEvent(QCloseEvent *event)
 278 {
 279         if(lamexp_session_ending() && !m_userAborted)
 280         {
 281                 qWarning("Computer is shutting down, LameXP will abort and exit!");
 282                 abortEncoding();
 283         }
 284
 285         if(!button_closeDialog->isEnabled())
 286         {
 287                 event->ignore();
 288         }
 289         else
 290         {
 291                 m_systemTray->setVisible(false);
 292         }
 293 }
 294
 295 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 296 {
 297         static QColor defaultColor = QColor();
 298
 299         if(obj == label_versionInfo)
 300         {
 301                 if(event->type() == QEvent::Enter)
 302                 {
 303                         QPalette palette = label_versionInfo->palette();
 304                         defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 305                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 306                         label_versionInfo->setPalette(palette);
 307                 }
 308                 else if(event->type() == QEvent::Leave)
 309                 {
 310                         QPalette palette = label_versionInfo->palette();
 311                         palette.setColor(QPalette::Normal, QPalette::WindowText, defaultColor);
 312                         label_versionInfo->setPalette(palette);
 313                 }
 314                 else if(event->type() == QEvent::MouseButtonPress)
 315                 {
 316                         QUrl url(lamexp_website_url());
 317                         QDesktopServices::openUrl(url);
 318                 }
 319         }
 320
 321         return false;
 322 }
 323
 324 bool ProcessingDialog::winEvent(MSG *message, long *result)
 325 {
 326         return WinSevenTaskbar::handleWinEvent(message, result);
 327 }
 328
 329 ////////////////////////////////////////////////////////////
 330 // SLOTS
 331 ////////////////////////////////////////////////////////////
 332
 333 void ProcessingDialog::initEncoding(void)
 334 {
 335         m_runningThreads = 0;
 336         m_currentFile = 0;
 337         m_allJobs.clear();
 338         m_succeededJobs.clear();
 339         m_failedJobs.clear();
 340         m_userAborted = false;
 341         m_playList.clear();
 342
 343         CHANGE_BACKGROUND_COLOR(frame_header, QColor(Qt::white));
 344         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 345         m_progressIndicator->start();
 346
 347         button_closeDialog->setEnabled(false);
 348         button_AbortProcess->setEnabled(true);
 349         progressBar->setRange(0, m_pendingJobs.count());
 350         checkBox_shutdownComputer->setEnabled(true);
 351         checkBox_shutdownComputer->setChecked(false);
 352
 353         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 354         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 355         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 356
 357         if(!m_diskObserver)
 358         {
 359                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2());
 360                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 361                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 362                 m_diskObserver->start();
 363         }
 364         if(!m_cpuObserver)
 365         {
 366                 m_cpuObserver = new CPUObserverThread();
 367                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 368                 m_cpuObserver->start();
 369         }
 370         if(!m_ramObserver)
 371         {
 372                 m_ramObserver = new RAMObserverThread();
 373                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 374                 m_ramObserver->start();
 375         }
 376
 377         unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 378         if(maximumInstances < 1)
 379         {
 380                 lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features();
 381                 maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 382         }
 383
 384         maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 385         if(maximumInstances > 1)
 386         {
 387                 m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 388         }
 389
 390         for(unsigned int i = 0; i < maximumInstances; i++)
 391         {
 392                 startNextJob();
 393         }
 394
 395         LARGE_INTEGER counter;
 396         if(QueryPerformanceCounter(&counter))
 397         {
 398                 m_timerStart = counter.QuadPart;
 399         }
 400 }
 401
 402 void ProcessingDialog::abortEncoding(void)
 403 {
 404         m_userAborted = true;
 405         button_AbortProcess->setEnabled(false);
 406
 407         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 408
 409         for(int i = 0; i < m_threadList.count(); i++)
 410         {
 411                 m_threadList.at(i)->abort();
 412         }
 413 }
 414
 415 void ProcessingDialog::doneEncoding(void)
 416 {
 417         m_runningThreads--;
 418         progressBar->setValue(progressBar->value() + 1);
 419
 420         if(!m_userAborted)
 421         {
 422                 SET_PROGRESS_TEXT(tr("Encoding: %1 files of %2 completed so far, please wait...").arg(QString::number(progressBar->value()), QString::number(progressBar->maximum())));
 423                 WinSevenTaskbar::setTaskbarProgress(this, progressBar->value(), progressBar->maximum());
 424         }
 425
 426         int index = m_threadList.indexOf(dynamic_cast<ProcessThread*>(QWidget::sender()));
 427         if(index >= 0)
 428         {
 429                 m_threadList.takeAt(index)->deleteLater();
 430         }
 431
 432         if(!m_pendingJobs.isEmpty() && !m_userAborted && !lamexp_session_ending())
 433         {
 434                 startNextJob();
 435                 qDebug("Running jobs: %u", m_runningThreads);
 436                 return;
 437         }
 438
 439         if(m_runningThreads > 0)
 440         {
 441                 qDebug("Running jobs: %u", m_runningThreads);
 442                 return;
 443         }
 444
 445         QApplication::setOverrideCursor(Qt::WaitCursor);
 446         qDebug("Running jobs: %u", m_runningThreads);
 447
 448         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir() && !lamexp_session_ending())
 449         {
 450                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 451                 QApplication::processEvents();
 452                 writePlayList();
 453         }
 454
 455         if(m_userAborted || lamexp_session_ending())
 456         {
 457                 CHANGE_BACKGROUND_COLOR(frame_header, QColor("#FFF3BA"));
 458                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 459                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 460                 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!"));
 461                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 462                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 463                 QApplication::processEvents();
 464                 if(m_settings->soundsEnabled() && !lamexp_session_ending())
 465                 {
 466                         PlaySound(MAKEINTRESOURCE(IDR_WAVE_ABORTED), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 467                 }
 468         }
 469         else
 470         {
 471                 LARGE_INTEGER counter, frequency;
 472                 if(QueryPerformanceCounter(&counter) && QueryPerformanceFrequency(&frequency))
 473                 {
 474                         if((m_timerStart > 0I64) && (frequency.QuadPart > 0I64) && (m_timerStart < counter.QuadPart))
 475                         {
 476                                 double timeElapsed = static_cast<double>(counter.QuadPart - m_timerStart) / static_cast<double>(frequency.QuadPart);
 477                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 478                         }
 479                 }
 480
 481                 if(m_failedJobs.count() > 0)
 482                 {
 483                         CHANGE_BACKGROUND_COLOR(frame_header, QColor("#FFBABA"));
 484                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 485                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 486                         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())));
 487                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 488                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 489                         QApplication::processEvents();
 490                         if(m_settings->soundsEnabled()) PlaySound(MAKEINTRESOURCE(IDR_WAVE_ERROR), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 491                 }
 492                 else
 493                 {
 494                         CHANGE_BACKGROUND_COLOR(frame_header, QColor("#E0FFE2"));
 495                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 496                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 497                         SET_PROGRESS_TEXT(tr("All files completed successfully."));
 498                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 499                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 500                         QApplication::processEvents();
 501                         if(m_settings->soundsEnabled()) PlaySound(MAKEINTRESOURCE(IDR_WAVE_SUCCESS), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 502                 }
 503         }
 504
 505         setCloseButtonEnabled(true);
 506         button_closeDialog->setEnabled(true);
 507         button_AbortProcess->setEnabled(false);
 508         checkBox_shutdownComputer->setEnabled(false);
 509
 510         m_progressModel->restoreHiddenItems();
 511         view_log->scrollToBottom();
 512         m_progressIndicator->stop();
 513         progressBar->setValue(progressBar->maximum());
 514         WinSevenTaskbar::setTaskbarProgress(this, progressBar->value(), progressBar->maximum());
 515
 516         QApplication::restoreOverrideCursor();
 517
 518         if(lamexp_session_ending())
 519         {
 520                 accept();
 521         }
 522         else if(!m_userAborted && checkBox_shutdownComputer->isChecked())
 523         {
 524                 if(shutdownComputer())
 525                 {
 526                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 527                         accept();
 528                 }
 529         }
 530 }
 531
 532 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, bool success)
 533 {
 534         if(success)
 535         {
 536                 m_playList.insert(jobId, outFileName);
 537                 m_succeededJobs.append(jobId);
 538         }
 539         else
 540         {
 541                 m_failedJobs.append(jobId);
 542         }
 543 }
 544
 545 void ProcessingDialog::progressModelChanged(void)
 546 {
 547         view_log->scrollToBottom();
 548 }
 549
 550 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 551 {
 552         if(m_runningThreads == 0)
 553         {
 554                 const QStringList &logFile = m_progressModel->getLogFile(index);
 555
 556                 if(!logFile.isEmpty())
 557                 {
 558                         LogViewDialog *logView = new LogViewDialog(this);
 559                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 560                         logView->exec(logFile);
 561                         LAMEXP_DELETE(logView);
 562                 }
 563                 else
 564                 {
 565                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 566                 }
 567         }
 568         else
 569         {
 570                 MessageBeep(MB_ICONWARNING);
 571         }
 572 }
 573
 574 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 575 {
 576         if(logicalIndex == 1)
 577         {
 578                 if(QHeaderView *hdr = view_log->horizontalHeader())
 579                 {
 580                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 581                 }
 582         }
 583 }
 584
 585 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 586 {
 587         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 588         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 589
 590         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 591         {
 592                 m_contextMenu->popup(sender->mapToGlobal(pos));
 593         }
 594 }
 595
 596 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 597 {
 598         QModelIndex index = view_log->indexAt(view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 599         logViewDoubleClicked(index.isValid() ? index : view_log->currentIndex());
 600 }
 601
 602 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 603 {
 604         QModelIndex index = view_log->indexAt(view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 605         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : view_log->currentIndex());
 606         QString filePath = m_playList.value(jobId, QString());
 607
 608         if(filePath.isEmpty())
 609         {
 610                 MessageBeep(MB_ICONWARNING);
 611                 return;
 612         }
 613
 614         if(QFileInfo(filePath).exists())
 615         {
 616                 QString systemRootPath;
 617
 618                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 619                 if(systemRoot.exists() && systemRoot.cdUp())
 620                 {
 621                         systemRootPath = systemRoot.canonicalPath();
 622                 }
 623
 624                 if(!systemRootPath.isEmpty())
 625                 {
 626                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 627                         if(explorer.exists() && explorer.isFile())
 628                         {
 629                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 630                                 return;
 631                         }
 632                 }
 633                 else
 634                 {
 635                         qWarning("SystemRoot directory could not be detected!");
 636                 }
 637         }
 638         else
 639         {
 640                 qWarning("File not found: %s", filePath.toLatin1().constData());
 641                 MessageBeep(MB_ICONERROR);
 642         }
 643 }
 644
 645 ////////////////////////////////////////////////////////////
 646 // Private Functions
 647 ////////////////////////////////////////////////////////////
 648
 649 void ProcessingDialog::startNextJob(void)
 650 {
 651         if(m_pendingJobs.isEmpty())
 652         {
 653                 return;
 654         }
 655
 656         m_currentFile++;
 657         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 658         bool nativeResampling = false;
 659
 660         //Create encoder instance
 661         AbstractEncoder *encoder = makeEncoder(&nativeResampling);
 662
 663         //Create processing thread
 664         ProcessThread *thread = new ProcessThread
 665         (
 666                 currentFile,
 667                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 668                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2()),
 669                 encoder,
 670                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 671         );
 672
 673         //Add audio filters
 674         if(m_settings->forceStereoDownmix())
 675         {
 676                 thread->addFilter(new DownmixFilter());
 677         }
 678         if((m_settings->samplingRate() > 0) && !nativeResampling)
 679         {
 680                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.formatAudioSamplerate() || currentFile.formatAudioSamplerate() == 0)
 681                 {
 682                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 683                 }
 684         }
 685         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 686         {
 687                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 688         }
 689         if(m_settings->normalizationFilterEnabled())
 690         {
 691                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEqualizationMode()));
 692         }
 693         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 694         {
 695                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 696         }
 697
 698         m_threadList.append(thread);
 699         m_allJobs.append(thread->getId());
 700
 701         //Connect thread signals
 702         connect(thread, SIGNAL(finished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 703         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 704         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 705         connect(thread, SIGNAL(processStateFinished(QUuid,QString,bool)), this, SLOT(processFinished(QUuid,QString,bool)), Qt::QueuedConnection);
 706         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 707
 708         //Give it a go!
 709         m_runningThreads++;
 710         thread->start();
 711 }
 712
 713 AbstractEncoder *ProcessingDialog::makeEncoder(bool *nativeResampling)
 714 {
 715         AbstractEncoder *encoder =  NULL;
 716         *nativeResampling = false;
 717
 718         switch(m_settings->compressionEncoder())
 719         {
 720         case SettingsModel::MP3Encoder:
 721                 {
 722                         MP3Encoder *mp3Encoder = new MP3Encoder();
 723                         mp3Encoder->setBitrate(m_settings->compressionBitrate());
 724                         mp3Encoder->setRCMode(m_settings->compressionRCMode());
 725                         mp3Encoder->setAlgoQuality(m_settings->lameAlgoQuality());
 726                         if(m_settings->bitrateManagementEnabled())
 727                         {
 728                                 mp3Encoder->setBitrateLimits(m_settings->bitrateManagementMinRate(), m_settings->bitrateManagementMaxRate());
 729                         }
 730                         if(m_settings->samplingRate() > 0)
 731                         {
 732                                 mp3Encoder->setSamplingRate(SettingsModel::samplingRates[m_settings->samplingRate()]);
 733                                 *nativeResampling = true;
 734                         }
 735                         mp3Encoder->setChannelMode(m_settings->lameChannelMode());
 736                         mp3Encoder->setCustomParams(m_settings->customParametersLAME());
 737                         encoder = mp3Encoder;
 738                 }
 739                 break;
 740         case SettingsModel::VorbisEncoder:
 741                 {
 742                         VorbisEncoder *vorbisEncoder = new VorbisEncoder();
 743                         vorbisEncoder->setBitrate(m_settings->compressionBitrate());
 744                         vorbisEncoder->setRCMode(m_settings->compressionRCMode());
 745                         if(m_settings->bitrateManagementEnabled())
 746                         {
 747                                 vorbisEncoder->setBitrateLimits(m_settings->bitrateManagementMinRate(), m_settings->bitrateManagementMaxRate());
 748                         }
 749                         if(m_settings->samplingRate() > 0)
 750                         {
 751                                 vorbisEncoder->setSamplingRate(SettingsModel::samplingRates[m_settings->samplingRate()]);
 752                                 *nativeResampling = true;
 753                         }
 754                         vorbisEncoder->setCustomParams(m_settings->customParametersOggEnc());
 755                         encoder = vorbisEncoder;
 756                 }
 757                 break;
 758         case SettingsModel::AACEncoder:
 759                 {
 760                         if(lamexp_check_tool("qaac.exe") && lamexp_check_tool("libsoxrate.dll"))
 761                         {
 762                                 QAACEncoder *aacEncoder = new QAACEncoder();
 763                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 764                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 765                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 766                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
 767                                 encoder = aacEncoder;
 768                         }
 769                         else if(lamexp_check_tool("fhgaacenc.exe") && lamexp_check_tool("enc_fhgaac.dll"))
 770                         {
 771                                 FHGAACEncoder *aacEncoder = new FHGAACEncoder();
 772                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 773                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 774                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 775                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
 776                                 encoder = aacEncoder;
 777                         }
 778                         else
 779                         {
 780                                 AACEncoder *aacEncoder = new AACEncoder();
 781                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 782                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 783                                 aacEncoder->setEnable2Pass(m_settings->neroAACEnable2Pass());
 784                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 785                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
 786                                 encoder = aacEncoder;
 787                         }
 788                 }
 789                 break;
 790         case SettingsModel::AC3Encoder:
 791                 {
 792                         AC3Encoder *ac3Encoder = new AC3Encoder();
 793                         ac3Encoder->setBitrate(m_settings->compressionBitrate());
 794                         ac3Encoder->setRCMode(m_settings->compressionRCMode());
 795                         ac3Encoder->setCustomParams(m_settings->customParametersAften());
 796                         ac3Encoder->setAudioCodingMode(m_settings->aftenAudioCodingMode());
 797                         ac3Encoder->setDynamicRangeCompression(m_settings->aftenDynamicRangeCompression());
 798                         ac3Encoder->setExponentSearchSize(m_settings->aftenExponentSearchSize());
 799                         ac3Encoder->setFastBitAllocation(m_settings->aftenFastBitAllocation());
 800                         encoder = ac3Encoder;
 801                 }
 802                 break;
 803         case SettingsModel::FLACEncoder:
 804                 {
 805                         FLACEncoder *flacEncoder = new FLACEncoder();
 806                         flacEncoder->setBitrate(m_settings->compressionBitrate());
 807                         flacEncoder->setRCMode(m_settings->compressionRCMode());
 808                         flacEncoder->setCustomParams(m_settings->customParametersFLAC());
 809                         encoder = flacEncoder;
 810                 }
 811                 break;
 812         case SettingsModel::DCAEncoder:
 813                 {
 814                         DCAEncoder *dcaEncoder = new DCAEncoder();
 815                         dcaEncoder->setBitrate(m_settings->compressionBitrate());
 816                         dcaEncoder->setRCMode(m_settings->compressionRCMode());
 817                         encoder = dcaEncoder;
 818                 }
 819                 break;
 820         case SettingsModel::PCMEncoder:
 821                 {
 822                         WaveEncoder *waveEncoder = new WaveEncoder();
 823                         waveEncoder->setBitrate(m_settings->compressionBitrate());
 824                         waveEncoder->setRCMode(m_settings->compressionRCMode());
 825                         encoder = waveEncoder;
 826                 }
 827                 break;
 828         default:
 829                 throw "Unsupported encoder!";
 830         }
 831
 832         return encoder;
 833 }
 834
 835 void ProcessingDialog::writePlayList(void)
 836 {
 837         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 838         {
 839                 qWarning("WritePlayList: Nothing to do!");
 840                 return;
 841         }
 842
 843         //Init local variables
 844         QStringList list;
 845         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 846         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 847         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 848         bool usePrefix[3] = {true, true, true};
 849         bool useUtf8 = false;
 850         int counter = 1;
 851
 852         //Generate playlist name
 853         QString playListName = (m_metaInfo->fileAlbum().isEmpty() ? "Playlist" : m_metaInfo->fileAlbum());
 854         if(!m_metaInfo->fileArtist().isEmpty())
 855         {
 856                 playListName = QString("%1 - %2").arg(m_metaInfo->fileArtist(), playListName);
 857         }
 858
 859         //Clean playlist name
 860         playListName = lamexp_clean_filename(playListName);
 861
 862         //Create list of audio files
 863         for(int i = 0; i < m_allJobs.count(); i++)
 864         {
 865                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 866                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 867         }
 868
 869         //Use prefix?
 870         for(int i = 0; i < list.count(); i++)
 871         {
 872                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
 873                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
 874                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
 875         }
 876         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
 877         {
 878                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
 879         }
 880
 881         //Do we need an UTF-8 playlist?
 882         for(int i = 0; i < list.count(); i++)
 883         {
 884                 if(wcscmp(QWCHAR(QString::fromLatin1(list.at(i).toLatin1().constData())), QWCHAR(list.at(i))))
 885                 {
 886                         useUtf8 = true;
 887                         break;
 888                 }
 889         }
 890
 891         //Generate playlist output file
 892         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
 893         while(QFileInfo(playListFile).exists())
 894         {
 895                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
 896         }
 897
 898         //Now write playlist to output file
 899         QFile playList(playListFile);
 900         if(playList.open(QIODevice::WriteOnly))
 901         {
 902                 if(useUtf8)
 903                 {
 904                         playList.write("\xef\xbb\xbf");
 905                 }
 906                 playList.write("#EXTM3U\r\n");
 907                 while(!list.isEmpty())
 908                 {
 909                         playList.write(useUtf8 ? list.takeFirst().toUtf8().constData() : list.takeFirst().toLatin1().constData());
 910                         playList.write("\r\n");
 911                 }
 912                 playList.close();
 913         }
 914         else
 915         {
 916                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
 917         }
 918 }
 919
 920 AudioFileModel ProcessingDialog::updateMetaInfo(const AudioFileModel &audioFile)
 921 {
 922         if(!m_settings->writeMetaTags())
 923         {
 924                 return AudioFileModel(audioFile, false);
 925         }
 926
 927         AudioFileModel result = audioFile;
 928         result.updateMetaInfo(*m_metaInfo);
 929
 930         if(m_metaInfo->filePosition() == UINT_MAX)
 931         {
 932                 result.setFilePosition(m_currentFile);
 933         }
 934
 935         return result;
 936 }
 937
 938 void ProcessingDialog::setCloseButtonEnabled(bool enabled)
 939 {
 940         HMENU hMenu = GetSystemMenu((HWND) winId(), FALSE);
 941         EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | (enabled ? MF_ENABLED : MF_GRAYED));
 942 }
 943
 944 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
 945 {
 946         if(reason == QSystemTrayIcon::DoubleClick)
 947         {
 948                 SetForegroundWindow(this->winId());
 949         }
 950 }
 951
 952 void ProcessingDialog::cpuUsageHasChanged(const double val)
 953 {
 954
 955         this->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
 956         UPDATE_MIN_WIDTH(label_cpu);
 957 }
 958
 959 void ProcessingDialog::ramUsageHasChanged(const double val)
 960 {
 961
 962         this->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
 963         UPDATE_MIN_WIDTH(label_ram);
 964 }
 965
 966 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
 967 {
 968         int postfix = 0;
 969         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
 970         double space = static_cast<double>(val);
 971
 972         while((space >= 1000.0) && (postfix < 5))
 973         {
 974                 space = space / 1024.0;
 975                 postfix++;
 976         }
 977
 978         this->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
 979         UPDATE_MIN_WIDTH(label_disk);
 980 }
 981
 982 bool ProcessingDialog::shutdownComputer(void)
 983 {
 984         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
 985         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
 986         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
 987
 988         qWarning("Initiating shutdown sequence!");
 989
 990         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
 991         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
 992         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
 993         progressDialog.setModal(true);
 994         progressDialog.setAutoClose(false);
 995         progressDialog.setAutoReset(false);
 996         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
 997         progressDialog.setCancelButton(cancelButton);
 998         progressDialog.show();
 999
1000         QApplication::processEvents();
1001
1002         if(m_settings->soundsEnabled())
1003         {
1004                 QApplication::setOverrideCursor(Qt::WaitCursor);
1005                 PlaySound(MAKEINTRESOURCE(IDR_WAVE_SHUTDOWN), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
1006                 QApplication::restoreOverrideCursor();
1007         }
1008
1009         QTimer timer;
1010         timer.setInterval(1000);
1011         timer.start();
1012
1013         QEventLoop eventLoop(this);
1014         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1015         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1016
1017         for(int i = 1; i <= iTimeout; i++)
1018         {
1019                 eventLoop.exec();
1020                 if(progressDialog.wasCanceled())
1021                 {
1022                         progressDialog.close();
1023                         return false;
1024                 }
1025                 progressDialog.setValue(i+1);
1026                 progressDialog.setLabelText(text.arg(iTimeout-i));
1027                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1028                 QApplication::processEvents();
1029                 PlaySound(MAKEINTRESOURCE((i < iTimeout) ? IDR_WAVE_BEEP : IDR_WAVE_BEEP_LONG), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
1030         }
1031
1032         progressDialog.close();
1033         return true;
1034 }
1035
1036 QString ProcessingDialog::time2text(const double timeVal) const
1037 {
1038         double intPart = 0;
1039         double frcPart = modf(timeVal, &intPart);
1040         int x = 0, y = 0; QString a, b;
1041
1042         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1043
1044         if(time.hour() > 0)
1045         {
1046                 x = time.hour();   a = tr("hour(s)");
1047                 y = time.minute(); b = tr("minute(s)");
1048         }
1049         else if(time.minute() > 0)
1050         {
1051                 x = time.minute(); a = tr("minute(s)");
1052                 y = time.second(); b = tr("second(s)");
1053         }
1054         else
1055         {
1056                 x = time.second(); a = tr("second(s)");
1057                 y = time.msec();   b = tr("millisecond(s)");
1058         }
1059
1060         return QString("%1 %2, %3 %4").arg(QString::number(x), a, QString::number(y), b);
1061 }
1062
1063 ////////////////////////////////////////////////////////////
1064 // HELPER FUNCTIONS
1065 ////////////////////////////////////////////////////////////
1066
1067 static int cores2instances(int cores)
1068 {
1069         //This function is a "cubic spline" with sampling points at:
1070         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1071         static const double LUT[8][5] =
1072         {
1073                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1074                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1075                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1076                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1077                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1078                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1079                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1080                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1081         };
1082
1083         double x = abs(static_cast<double>(cores)), y = 1.0;
1084
1085         for(size_t i = 0; i < 7; i++)
1086         {
1087                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1088                 {
1089                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1090                         break;
1091                 }
1092         }
1093
1094         return qRound(y);
1095 }