src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 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 //UIC includes
  25 #include "../tmp/UIC_ProcessingDialog.h"
  26
  27 #include "Global.h"
  28 #include "Resource.h"
  29 #include "Model_FileList.h"
  30 #include "Model_Progress.h"
  31 #include "Model_Settings.h"
  32 #include "Thread_Process.h"
  33 #include "Thread_CPUObserver.h"
  34 #include "Thread_RAMObserver.h"
  35 #include "Thread_DiskObserver.h"
  36 #include "Dialog_LogView.h"
  37 #include "Registry_Decoder.h"
  38 #include "Registry_Encoder.h"
  39 #include "Filter_Downmix.h"
  40 #include "Filter_Normalize.h"
  41 #include "Filter_Resample.h"
  42 #include "Filter_ToneAdjust.h"
  43 #include "WinSevenTaskbar.h"
  44
  45 #include <QApplication>
  46 #include <QRect>
  47 #include <QDesktopWidget>
  48 #include <QMovie>
  49 #include <QMessageBox>
  50 #include <QTimer>
  51 #include <QCloseEvent>
  52 #include <QDesktopServices>
  53 #include <QUrl>
  54 #include <QUuid>
  55 #include <QFileInfo>
  56 #include <QDir>
  57 #include <QMenu>
  58 #include <QSystemTrayIcon>
  59 #include <QProcess>
  60 #include <QProgressDialog>
  61 #include <QResizeEvent>
  62 #include <QTime>
  63 #include <QThreadPool>
  64
  65 #include <math.h>
  66 #include <float.h>
  67
  68 ////////////////////////////////////////////////////////////
  69
  70 //Maximum number of parallel instances
  71 #define MAX_INSTANCES 16U
  72
  73 //Function to calculate the number of instances
  74 static int cores2instances(int cores);
  75
  76 ////////////////////////////////////////////////////////////
  77
  78 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  79 { \
  80         QPalette palette = WIDGET->palette(); \
  81         palette.setColor(QPalette::Background, COLOR); \
  82         WIDGET->setPalette(palette); \
  83 } \
  84 while(0)
  85
  86 #define SET_PROGRESS_TEXT(TXT) do \
  87 { \
  88         ui->label_progress->setText(TXT); \
  89         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  90 } \
  91 while(0)
  92
  93 #define SET_FONT_BOLD(WIDGET,BOLD) do \
  94 { \
  95         QFont _font = WIDGET->font(); \
  96         _font.setBold(BOLD); WIDGET->setFont(_font); \
  97 } \
  98 while(0)
  99
 100 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 101 { \
 102         QPalette _palette = WIDGET->palette(); \
 103         _palette.setColor(QPalette::WindowText, (COLOR)); \
 104         _palette.setColor(QPalette::Text, (COLOR)); \
 105         WIDGET->setPalette(_palette); \
 106 } \
 107 while(0)
 108
 109 #define UPDATE_MIN_WIDTH(WIDGET) do \
 110 { \
 111         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 112 } \
 113 while(0)
 114
 115 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 116
 117 ////////////////////////////////////////////////////////////
 118
 119 //Dummy class for UserData
 120 class IntUserData : public QObjectUserData
 121 {
 122 public:
 123         IntUserData(int value) : m_value(value) {/*NOP*/}
 124         int value(void) { return m_value; }
 125         void setValue(int value) { m_value = value; }
 126 private:
 127         int m_value;
 128 };
 129
 130 ////////////////////////////////////////////////////////////
 131 // Constructor
 132 ////////////////////////////////////////////////////////////
 133
 134 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, AudioFileModel *metaInfo, SettingsModel *settings, QWidget *parent)
 135 :
 136         QDialog(parent),
 137         ui(new Ui::ProcessingDialog),
 138         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 139         m_settings(settings),
 140         m_metaInfo(metaInfo),
 141         m_shutdownFlag(shutdownFlag_None),
 142         m_threadPool(NULL),
 143         m_diskObserver(NULL),
 144         m_cpuObserver(NULL),
 145         m_ramObserver(NULL),
 146         m_progressViewFilter(-1),
 147         m_firstShow(true)
 148 {
 149         //Init the dialog, from the .ui file
 150         ui->setupUi(this);
 151         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 152
 153         //Update header icon
 154         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 155
 156         //Setup version info
 157         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 158         ui->label_versionInfo->installEventFilter(this);
 159
 160         //Register meta type
 161         qRegisterMetaType<QUuid>("QUuid");
 162
 163         //Center window in screen
 164         QRect desktopRect = QApplication::desktop()->screenGeometry();
 165         QRect thisRect = this->geometry();
 166         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 167         setMinimumSize(thisRect.width(), thisRect.height());
 168
 169         //Enable buttons
 170         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 171
 172         //Init progress indicator
 173         m_progressIndicator = new QMovie(":/images/Working.gif");
 174         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 175         m_progressIndicator->setSpeed(50);
 176         ui->label_headerWorking->setMovie(m_progressIndicator);
 177         ui->progressBar->setValue(0);
 178
 179         //Init progress model
 180         m_progressModel = new ProgressModel();
 181         ui->view_log->setModel(m_progressModel);
 182         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 183         ui->view_log->verticalHeader()->hide();
 184         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 185         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 186         ui->view_log->viewport()->installEventFilter(this);
 187         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 188         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 189         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 190         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 191         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 192         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 193
 194         //Create context menu
 195         m_contextMenu = new QMenu();
 196         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 197         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 198         m_contextMenu->addSeparator();
 199
 200         //Create "filter" context menu
 201         m_progressViewFilterGroup = new QActionGroup(this);
 202         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 203         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 204         {
 205                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 206                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 207                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 208                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 209                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 210                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 211                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 212                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 213                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 214                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 215         }
 216
 217         //Create info label
 218         if(m_filterInfoLabel = new QLabel(ui->view_log))
 219         {
 220                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 221                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 222                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 223                 SET_FONT_BOLD(m_filterInfoLabel, true);
 224                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 225                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 226                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 227                 m_filterInfoLabel->hide();
 228         }
 229         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 230         {
 231                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 232                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 233                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 234                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 235                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 236                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 237                 m_filterInfoLabelIcon->hide();
 238         }
 239
 240         //Connect context menu
 241         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 242         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 243         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 244         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 245         for(size_t i = 0; i < 5; i++)
 246         {
 247                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 248         }
 249         SET_FONT_BOLD(contextMenuDetailsAction, true);
 250
 251         //Enque jobs
 252         if(fileListModel)
 253         {
 254                 for(int i = 0; i < fileListModel->rowCount(); i++)
 255                 {
 256                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 257                 }
 258         }
 259
 260         //Translate
 261         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 262
 263         //Enable system tray icon
 264         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 265
 266         //Init other vars
 267         m_runningThreads = 0;
 268         m_currentFile = 0;
 269         m_allJobs.clear();
 270         m_succeededJobs.clear();
 271         m_failedJobs.clear();
 272         m_skippedJobs.clear();
 273         m_userAborted = false;
 274         m_forcedAbort = false;
 275         m_timerStart = 0I64;
 276 }
 277
 278 ////////////////////////////////////////////////////////////
 279 // Destructor
 280 ////////////////////////////////////////////////////////////
 281
 282 ProcessingDialog::~ProcessingDialog(void)
 283 {
 284         ui->view_log->setModel(NULL);
 285
 286         if(m_progressIndicator)
 287         {
 288                 m_progressIndicator->stop();
 289         }
 290
 291         if(m_diskObserver)
 292         {
 293                 m_diskObserver->stop();
 294                 if(!m_diskObserver->wait(15000))
 295                 {
 296                         m_diskObserver->terminate();
 297                         m_diskObserver->wait();
 298                 }
 299         }
 300         if(m_cpuObserver)
 301         {
 302                 m_cpuObserver->stop();
 303                 if(!m_cpuObserver->wait(15000))
 304                 {
 305                         m_cpuObserver->terminate();
 306                         m_cpuObserver->wait();
 307                 }
 308         }
 309         if(m_ramObserver)
 310         {
 311                 m_ramObserver->stop();
 312                 if(!m_ramObserver->wait(15000))
 313                 {
 314                         m_ramObserver->terminate();
 315                         m_ramObserver->wait();
 316                 }
 317         }
 318
 319         //while(!m_threadList.isEmpty())
 320         //{
 321         //      ProcessThread *thread = m_threadList.takeFirst();
 322         //      thread->terminate();
 323         //      thread->wait(15000);
 324         //      delete thread;
 325         //}
 326
 327         if(m_threadPool)
 328         {
 329                 if(!m_threadPool->waitForDone(100))
 330                 {
 331                         emit abortRunningTasks();
 332                         m_threadPool->waitForDone();
 333                 }
 334         }
 335
 336         LAMEXP_DELETE(m_progressIndicator);
 337         LAMEXP_DELETE(m_systemTray);
 338         LAMEXP_DELETE(m_diskObserver);
 339         LAMEXP_DELETE(m_cpuObserver);
 340         LAMEXP_DELETE(m_ramObserver);
 341         LAMEXP_DELETE(m_progressViewFilterGroup);
 342         LAMEXP_DELETE(m_filterInfoLabel);
 343         LAMEXP_DELETE(m_filterInfoLabelIcon);
 344         LAMEXP_DELETE(m_contextMenu);
 345         LAMEXP_DELETE(m_progressModel);
 346         LAMEXP_DELETE(m_threadPool);
 347
 348         WinSevenTaskbar::setOverlayIcon(this, NULL);
 349         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 350
 351         LAMEXP_DELETE(ui);
 352 }
 353
 354 ////////////////////////////////////////////////////////////
 355 // EVENTS
 356 ////////////////////////////////////////////////////////////
 357
 358 void ProcessingDialog::showEvent(QShowEvent *event)
 359 {
 360         QDialog::showEvent(event);
 361
 362         if(m_firstShow)
 363         {
 364                 static const char *NA = " N/A";
 365
 366                 lamexp_enable_close_button(this, false);
 367                 ui->button_closeDialog->setEnabled(false);
 368                 ui->button_AbortProcess->setEnabled(false);
 369                 m_systemTray->setVisible(true);
 370
 371                 lamexp_change_process_priority(1);
 372
 373                 ui->label_cpu->setText(NA);
 374                 ui->label_disk->setText(NA);
 375                 ui->label_ram->setText(NA);
 376
 377                 QTimer::singleShot(1000, this, SLOT(initEncoding()));
 378                 m_firstShow = false;
 379         }
 380
 381         //Force update geometry
 382         resizeEvent(NULL);
 383 }
 384
 385 void ProcessingDialog::closeEvent(QCloseEvent *event)
 386 {
 387         if(!ui->button_closeDialog->isEnabled())
 388         {
 389                 event->ignore();
 390         }
 391         else
 392         {
 393                 m_systemTray->setVisible(false);
 394         }
 395 }
 396
 397 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 398 {
 399         static QColor defaultColor = QColor();
 400
 401         if(obj == ui->label_versionInfo)
 402         {
 403                 if(event->type() == QEvent::Enter)
 404                 {
 405                         QPalette palette = ui->label_versionInfo->palette();
 406                         defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 407                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 408                         ui->label_versionInfo->setPalette(palette);
 409                 }
 410                 else if(event->type() == QEvent::Leave)
 411                 {
 412                         QPalette palette = ui->label_versionInfo->palette();
 413                         palette.setColor(QPalette::Normal, QPalette::WindowText, defaultColor);
 414                         ui->label_versionInfo->setPalette(palette);
 415                 }
 416                 else if(event->type() == QEvent::MouseButtonPress)
 417                 {
 418                         QUrl url(lamexp_website_url());
 419                         QDesktopServices::openUrl(url);
 420                 }
 421         }
 422
 423         return false;
 424 }
 425
 426 bool ProcessingDialog::event(QEvent *e)
 427 {
 428         switch(e->type())
 429         {
 430         case lamexp_event_queryendsession:
 431                 qWarning("System is shutting down, preparing to abort...");
 432                 if(!m_userAborted) abortEncoding(true);
 433                 return true;
 434         case lamexp_event_endsession:
 435                 qWarning("System is shutting down, encoding will be aborted now...");
 436                 if(isVisible())
 437                 {
 438                         while(!close())
 439                         {
 440                                 if(!m_userAborted) abortEncoding(true);
 441                                 QApplication::processEvents(QEventLoop::WaitForMoreEvents & QEventLoop::ExcludeUserInputEvents);
 442                         }
 443                 }
 444                 m_pendingJobs.clear();
 445                 return true;
 446         default:
 447                 return QDialog::event(e);
 448         }
 449 }
 450
 451 /*
 452  * Window was resized
 453  */
 454 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 455 {
 456         if(event) QDialog::resizeEvent(event);
 457
 458         if(QWidget *port = ui->view_log->viewport())
 459         {
 460                 QRect geom = port->geometry();
 461                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 462                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 463         }
 464 }
 465
 466 bool ProcessingDialog::winEvent(MSG *message, long *result)
 467 {
 468         return WinSevenTaskbar::handleWinEvent(message, result);
 469 }
 470
 471 ////////////////////////////////////////////////////////////
 472 // SLOTS
 473 ////////////////////////////////////////////////////////////
 474
 475 void ProcessingDialog::initEncoding(void)
 476 {
 477         qDebug("Initializing encoding process...");
 478
 479         m_runningThreads = 0;
 480         m_currentFile = 0;
 481         m_allJobs.clear();
 482         m_succeededJobs.clear();
 483         m_failedJobs.clear();
 484         m_skippedJobs.clear();
 485         m_userAborted = false;
 486         m_forcedAbort = false;
 487         m_playList.clear();
 488
 489         DecoderRegistry::configureDecoders(m_settings);
 490
 491         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 492         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 493         m_progressIndicator->start();
 494
 495         ui->button_closeDialog->setEnabled(false);
 496         ui->button_AbortProcess->setEnabled(true);
 497         ui->progressBar->setRange(0, m_pendingJobs.count());
 498         ui->checkBox_shutdownComputer->setEnabled(true);
 499         ui->checkBox_shutdownComputer->setChecked(false);
 500
 501         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 502         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 503         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 504
 505         if(!m_diskObserver)
 506         {
 507                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2());
 508                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 509                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 510                 m_diskObserver->start();
 511         }
 512         if(!m_cpuObserver)
 513         {
 514                 m_cpuObserver = new CPUObserverThread();
 515                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 516                 m_cpuObserver->start();
 517         }
 518         if(!m_ramObserver)
 519         {
 520                 m_ramObserver = new RAMObserverThread();
 521                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 522                 m_ramObserver->start();
 523         }
 524
 525         if(!m_threadPool)
 526         {
 527                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 528                 if(maximumInstances < 1)
 529                 {
 530                         lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features(lamexp_arguments());
 531                         maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 532                 }
 533
 534                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 535                 if(maximumInstances > 1)
 536                 {
 537                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 538                 }
 539
 540                 m_threadPool = new QThreadPool();
 541                 m_threadPool->setMaxThreadCount(maximumInstances);
 542         }
 543
 544         for(int i = 0; i < m_threadPool->maxThreadCount(); i++)
 545         {
 546                 startNextJob();
 547                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 548         }
 549
 550         m_timerStart = lamexp_perfcounter_value();
 551 }
 552
 553 void ProcessingDialog::abortEncoding(bool force)
 554 {
 555         m_userAborted = true;
 556         if(force) m_forcedAbort = true;
 557         ui->button_AbortProcess->setEnabled(false);
 558         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 559         emit abortRunningTasks();
 560 }
 561
 562 void ProcessingDialog::doneEncoding(void)
 563 {
 564         m_runningThreads--;
 565         ui->progressBar->setValue(ui->progressBar->value() + 1);
 566
 567         if(!m_userAborted)
 568         {
 569                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 570                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 571         }
 572
 573         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 574         {
 575                 startNextJob();
 576                 qDebug("Running jobs: %u", m_runningThreads);
 577                 return;
 578         }
 579
 580         if(m_runningThreads > 0)
 581         {
 582                 qDebug("Running jobs: %u", m_runningThreads);
 583                 return;
 584         }
 585
 586         QApplication::setOverrideCursor(Qt::WaitCursor);
 587         qDebug("Running jobs: %u", m_runningThreads);
 588
 589         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 590         {
 591                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 592                 QApplication::processEvents();
 593                 writePlayList();
 594         }
 595
 596         if(m_userAborted)
 597         {
 598                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF3BA"));
 599                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 600                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 601                 SET_PROGRESS_TEXT((m_succeededJobs.count() > 0) ? tr("Process was aborted by the user after %n file(s)!", "", m_succeededJobs.count()) : tr("Process was aborted prematurely by the user!"));
 602                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 603                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 604                 QApplication::processEvents();
 605                 if(m_settings->soundsEnabled() && (!m_forcedAbort))
 606                 {
 607                         lamexp_play_sound(IDR_WAVE_ABORTED, false);
 608                 }
 609         }
 610         else
 611         {
 612                 const __int64 counter = lamexp_perfcounter_value();
 613                 const __int64 frequency  = lamexp_perfcounter_frequ();
 614                 if((counter >= 0I64) && (frequency >= 0))
 615                 {
 616                         if((m_timerStart >= 0I64) && (m_timerStart < counter))
 617                         {
 618                                 double timeElapsed = static_cast<double>(counter - m_timerStart) / static_cast<double>(frequency);
 619                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 620                         }
 621                 }
 622
 623                 if(m_failedJobs.count() > 0)
 624                 {
 625                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFBABA"));
 626                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 627                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 628                         if(m_skippedJobs.count() > 0)
 629                         {
 630                                 SET_PROGRESS_TEXT(tr("Error: %1 of %n file(s) failed (%2). Double-click failed items for detailed information!", "", m_failedJobs.count() + m_succeededJobs.count() + m_skippedJobs.count()).arg(QString::number(m_failedJobs.count()), tr("%n file(s) skipped", "", m_skippedJobs.count())));
 631                         }
 632                         else
 633                         {
 634                                 SET_PROGRESS_TEXT(tr("Error: %1 of %n file(s) failed. Double-click failed items for detailed information!", "", m_failedJobs.count() + m_succeededJobs.count()).arg(QString::number(m_failedJobs.count())));
 635                         }
 636                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 637                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 638                         QApplication::processEvents();
 639                         if(m_settings->soundsEnabled()) lamexp_play_sound(IDR_WAVE_ERROR, false);
 640                 }
 641                 else
 642                 {
 643                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#E0FFE2"));
 644                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 645                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 646                         if(m_skippedJobs.count() > 0)
 647                         {
 648                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 649                         }
 650                         else
 651                         {
 652                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 653                         }
 654                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 655                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 656                         QApplication::processEvents();
 657                         if(m_settings->soundsEnabled()) lamexp_play_sound(IDR_WAVE_SUCCESS, false);
 658                 }
 659         }
 660
 661         lamexp_enable_close_button(this, true);
 662         ui->button_closeDialog->setEnabled(true);
 663         ui->button_AbortProcess->setEnabled(false);
 664         ui->checkBox_shutdownComputer->setEnabled(false);
 665
 666         m_progressModel->restoreHiddenItems();
 667         ui->view_log->scrollToBottom();
 668         m_progressIndicator->stop();
 669         ui->progressBar->setValue(ui->progressBar->maximum());
 670         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 671
 672         QApplication::restoreOverrideCursor();
 673
 674         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 675         {
 676                 if(shutdownComputer())
 677                 {
 678                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 679                         accept();
 680                 }
 681         }
 682 }
 683
 684 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 685 {
 686         if(success > 0)
 687         {
 688                 m_playList.insert(jobId, outFileName);
 689                 m_succeededJobs.append(jobId);
 690         }
 691         else if(success < 0)
 692         {
 693                 m_playList.insert(jobId, outFileName);
 694                 m_skippedJobs.append(jobId);
 695         }
 696         else
 697         {
 698                 m_failedJobs.append(jobId);
 699         }
 700
 701         //Update filter as soon as a job finished!
 702         if(m_progressViewFilter >= 0)
 703         {
 704                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 705         }
 706 }
 707
 708 void ProcessingDialog::progressModelChanged(void)
 709 {
 710         //Update filter as soon as the model changes!
 711         if(m_progressViewFilter >= 0)
 712         {
 713                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 714         }
 715
 716         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 717 }
 718
 719 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 720 {
 721         if(m_runningThreads == 0)
 722         {
 723                 const QStringList &logFile = m_progressModel->getLogFile(index);
 724
 725                 if(!logFile.isEmpty())
 726                 {
 727                         LogViewDialog *logView = new LogViewDialog(this);
 728                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 729                         logView->exec(logFile);
 730                         LAMEXP_DELETE(logView);
 731                 }
 732                 else
 733                 {
 734                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 735                 }
 736         }
 737         else
 738         {
 739                 lamexp_beep(lamexp_beep_warning);
 740         }
 741 }
 742
 743 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 744 {
 745         if(logicalIndex == 1)
 746         {
 747                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 748                 {
 749                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 750                 }
 751         }
 752 }
 753
 754 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 755 {
 756         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 757         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 758
 759         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 760         {
 761                 m_contextMenu->popup(sender->mapToGlobal(pos));
 762         }
 763 }
 764
 765 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 766 {
 767         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 768         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 769 }
 770
 771 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 772 {
 773         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 774         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 775         QString filePath = m_playList.value(jobId, QString());
 776
 777         if(filePath.isEmpty())
 778         {
 779                 lamexp_beep(lamexp_beep_warning);
 780                 return;
 781         }
 782
 783         if(QFileInfo(filePath).exists())
 784         {
 785                 QString systemRootPath;
 786
 787                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 788                 if(systemRoot.exists() && systemRoot.cdUp())
 789                 {
 790                         systemRootPath = systemRoot.canonicalPath();
 791                 }
 792
 793                 if(!systemRootPath.isEmpty())
 794                 {
 795                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 796                         if(explorer.exists() && explorer.isFile())
 797                         {
 798                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 799                                 return;
 800                         }
 801                 }
 802                 else
 803                 {
 804                         qWarning("SystemRoot directory could not be detected!");
 805                 }
 806         }
 807         else
 808         {
 809                 qWarning("File not found: %s", filePath.toLatin1().constData());
 810                 lamexp_beep(lamexp_beep_error);
 811         }
 812 }
 813
 814 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 815 {
 816         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 817         {
 818                 if(action->data().type() == QVariant::Int)
 819                 {
 820                         m_progressViewFilter = action->data().toInt();
 821                         progressViewFilterChanged();
 822                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 823                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 824                         action->setChecked(true);
 825                 }
 826         }
 827 }
 828
 829 /*
 830  * Filter progress items
 831  */
 832 void ProcessingDialog::progressViewFilterChanged(void)
 833 {
 834         bool matchFound = false;
 835
 836         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 837         {
 838                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 839                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 840                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 841         }
 842
 843         if((m_progressViewFilter >= 0) && (!matchFound))
 844         {
 845                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 846                 {
 847                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 848                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 849                         m_filterInfoLabel->show();
 850                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 851                         m_filterInfoLabelIcon->show();
 852                         resizeEvent(NULL);
 853                 }
 854         }
 855         else if(!m_filterInfoLabel->isHidden())
 856         {
 857                 m_filterInfoLabel->hide();
 858                 m_filterInfoLabelIcon->hide();
 859         }
 860 }
 861
 862 ////////////////////////////////////////////////////////////
 863 // Private Functions
 864 ////////////////////////////////////////////////////////////
 865
 866 void ProcessingDialog::startNextJob(void)
 867 {
 868         if(m_pendingJobs.isEmpty())
 869         {
 870                 return;
 871         }
 872
 873         m_currentFile++;
 874         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 875         bool nativeResampling = false;
 876
 877         //Create encoder instance
 878         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 879
 880         //Create processing thread
 881         ProcessThread *thread = new ProcessThread
 882         (
 883                 currentFile,
 884                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 885                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2()),
 886                 encoder,
 887                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 888         );
 889
 890         //Add audio filters
 891         if(m_settings->forceStereoDownmix())
 892         {
 893                 thread->addFilter(new DownmixFilter());
 894         }
 895         if((m_settings->samplingRate() > 0) && !nativeResampling)
 896         {
 897                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.formatAudioSamplerate() || currentFile.formatAudioSamplerate() == 0)
 898                 {
 899                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 900                 }
 901         }
 902         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 903         {
 904                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 905         }
 906         if(m_settings->normalizationFilterEnabled())
 907         {
 908                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 909         }
 910         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 911         {
 912                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 913         }
 914         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 915         {
 916                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 917         }
 918
 919         m_allJobs.append(thread->getId());
 920
 921         //Connect thread signals
 922         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 923         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 924         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 925         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 926         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 927         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 928
 929         //Give it a go!
 930         m_runningThreads++;
 931         m_threadPool->start(thread);
 932
 933         //Give thread some advance
 934         lamexp_sleep(1);
 935 }
 936
 937 void ProcessingDialog::writePlayList(void)
 938 {
 939         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 940         {
 941                 qWarning("WritePlayList: Nothing to do!");
 942                 return;
 943         }
 944
 945         //Init local variables
 946         QStringList list;
 947         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 948         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 949         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 950         bool usePrefix[3] = {true, true, true};
 951         bool useUtf8 = false;
 952         int counter = 1;
 953
 954         //Generate playlist name
 955         QString playListName = (m_metaInfo->fileAlbum().isEmpty() ? "Playlist" : m_metaInfo->fileAlbum());
 956         if(!m_metaInfo->fileArtist().isEmpty())
 957         {
 958                 playListName = QString("%1 - %2").arg(m_metaInfo->fileArtist(), playListName);
 959         }
 960
 961         //Clean playlist name
 962         playListName = lamexp_clean_filename(playListName);
 963
 964         //Create list of audio files
 965         for(int i = 0; i < m_allJobs.count(); i++)
 966         {
 967                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 968                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 969         }
 970
 971         //Use prefix?
 972         for(int i = 0; i < list.count(); i++)
 973         {
 974                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
 975                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
 976                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
 977         }
 978         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
 979         {
 980                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
 981         }
 982
 983         //Do we need an UTF-8 playlist?
 984         for(int i = 0; i < list.count(); i++)
 985         {
 986                 if(wcscmp(QWCHAR(QString::fromLatin1(list.at(i).toLatin1().constData())), QWCHAR(list.at(i))))
 987                 {
 988                         useUtf8 = true;
 989                         break;
 990                 }
 991         }
 992
 993         //Generate playlist output file
 994         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
 995         while(QFileInfo(playListFile).exists())
 996         {
 997                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
 998         }
 999
1000         //Now write playlist to output file
1001         QFile playList(playListFile);
1002         if(playList.open(QIODevice::WriteOnly))
1003         {
1004                 if(useUtf8)
1005                 {
1006                         playList.write("\xef\xbb\xbf");
1007                 }
1008                 playList.write("#EXTM3U\r\n");
1009                 while(!list.isEmpty())
1010                 {
1011                         playList.write(useUtf8 ? list.takeFirst().toUtf8().constData() : list.takeFirst().toLatin1().constData());
1012                         playList.write("\r\n");
1013                 }
1014                 playList.close();
1015         }
1016         else
1017         {
1018                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1019         }
1020 }
1021
1022 AudioFileModel ProcessingDialog::updateMetaInfo(const AudioFileModel &audioFile)
1023 {
1024         if(!m_settings->writeMetaTags())
1025         {
1026                 return AudioFileModel(audioFile, false);
1027         }
1028
1029         AudioFileModel result = audioFile;
1030         result.updateMetaInfo(*m_metaInfo);
1031
1032         if(m_metaInfo->filePosition() == UINT_MAX)
1033         {
1034                 result.setFilePosition(m_currentFile);
1035         }
1036
1037         return result;
1038 }
1039
1040 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1041 {
1042         if(reason == QSystemTrayIcon::DoubleClick)
1043         {
1044                 lamexp_bring_to_front(this);
1045         }
1046 }
1047
1048 void ProcessingDialog::cpuUsageHasChanged(const double val)
1049 {
1050
1051         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1052         UPDATE_MIN_WIDTH(ui->label_cpu);
1053 }
1054
1055 void ProcessingDialog::ramUsageHasChanged(const double val)
1056 {
1057
1058         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1059         UPDATE_MIN_WIDTH(ui->label_ram);
1060 }
1061
1062 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1063 {
1064         int postfix = 0;
1065         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1066         double space = static_cast<double>(val);
1067
1068         while((space >= 1000.0) && (postfix < 5))
1069         {
1070                 space = space / 1024.0;
1071                 postfix++;
1072         }
1073
1074         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1075         UPDATE_MIN_WIDTH(ui->label_disk);
1076 }
1077
1078 bool ProcessingDialog::shutdownComputer(void)
1079 {
1080         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1081         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1082         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1083
1084         qWarning("Initiating shutdown sequence!");
1085
1086         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1087         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1088         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1089         progressDialog.setModal(true);
1090         progressDialog.setAutoClose(false);
1091         progressDialog.setAutoReset(false);
1092         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1093         progressDialog.setCancelButton(cancelButton);
1094         progressDialog.show();
1095
1096         QApplication::processEvents();
1097
1098         if(m_settings->soundsEnabled())
1099         {
1100                 QApplication::setOverrideCursor(Qt::WaitCursor);
1101                 lamexp_play_sound(IDR_WAVE_SHUTDOWN, false);
1102                 QApplication::restoreOverrideCursor();
1103         }
1104
1105         QTimer timer;
1106         timer.setInterval(1000);
1107         timer.start();
1108
1109         QEventLoop eventLoop(this);
1110         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1111         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1112
1113         for(int i = 1; i <= iTimeout; i++)
1114         {
1115                 eventLoop.exec();
1116                 if(progressDialog.wasCanceled())
1117                 {
1118                         progressDialog.close();
1119                         return false;
1120                 }
1121                 progressDialog.setValue(i+1);
1122                 progressDialog.setLabelText(text.arg(iTimeout-i));
1123                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1124                 QApplication::processEvents();
1125                 lamexp_play_sound(((i < iTimeout) ? IDR_WAVE_BEEP : IDR_WAVE_BEEP_LONG), false);
1126         }
1127
1128         progressDialog.close();
1129         return true;
1130 }
1131
1132 QString ProcessingDialog::time2text(const double timeVal) const
1133 {
1134         double intPart = 0;
1135         double frcPart = modf(timeVal, &intPart);
1136
1137         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1138
1139         QString a, b;
1140
1141         if(time.hour() > 0)
1142         {
1143                 a = tr("%n hour(s)", "", time.hour());
1144                 b = tr("%n minute(s)", "", time.minute());
1145         }
1146         else if(time.minute() > 0)
1147         {
1148                 a = tr("%n minute(s)", "", time.minute());
1149                 b = tr("%n second(s)", "", time.second());
1150         }
1151         else
1152         {
1153                 a = tr("%n second(s)", "", time.second());
1154                 b = tr("%n millisecond(s)", "", time.msec());
1155         }
1156
1157         return QString("%1, %2").arg(a, b);
1158 }
1159
1160 ////////////////////////////////////////////////////////////
1161 // HELPER FUNCTIONS
1162 ////////////////////////////////////////////////////////////
1163
1164 static int cores2instances(int cores)
1165 {
1166         //This function is a "cubic spline" with sampling points at:
1167         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1168         static const double LUT[8][5] =
1169         {
1170                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1171                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1172                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1173                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1174                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1175                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1176                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1177                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1178         };
1179
1180         double x = abs(static_cast<double>(cores)), y = 1.0;
1181
1182         for(size_t i = 0; i < 7; i++)
1183         {
1184                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1185                 {
1186                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1187                         break;
1188                 }
1189         }
1190
1191         return qRound(y);
1192 }