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, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_Processing.h"
  24
  25 //UIC includes
  26 #include "../tmp/UIC_ProcessingDialog.h"
  27
  28 #include "Global.h"
  29 #include "Resource.h"
  30 #include "Model_FileList.h"
  31 #include "Model_Progress.h"
  32 #include "Model_Settings.h"
  33 #include "Thread_Process.h"
  34 #include "Thread_CPUObserver.h"
  35 #include "Thread_RAMObserver.h"
  36 #include "Thread_DiskObserver.h"
  37 #include "Dialog_LogView.h"
  38 #include "Registry_Decoder.h"
  39 #include "Registry_Encoder.h"
  40 #include "Filter_Downmix.h"
  41 #include "Filter_Normalize.h"
  42 #include "Filter_Resample.h"
  43 #include "Filter_ToneAdjust.h"
  44 #include "WinSevenTaskbar.h"
  45
  46 #include <QApplication>
  47 #include <QRect>
  48 #include <QDesktopWidget>
  49 #include <QMovie>
  50 #include <QMessageBox>
  51 #include <QTimer>
  52 #include <QCloseEvent>
  53 #include <QDesktopServices>
  54 #include <QUrl>
  55 #include <QUuid>
  56 #include <QFileInfo>
  57 #include <QDir>
  58 #include <QMenu>
  59 #include <QSystemTrayIcon>
  60 #include <QProcess>
  61 #include <QProgressDialog>
  62 #include <QResizeEvent>
  63 #include <QTime>
  64 #include <QThreadPool>
  65
  66 #include <math.h>
  67 #include <float.h>
  68
  69 ////////////////////////////////////////////////////////////
  70
  71 //Maximum number of parallel instances
  72 #define MAX_INSTANCES 16U
  73
  74 //Function to calculate the number of instances
  75 static int cores2instances(int cores);
  76
  77 ////////////////////////////////////////////////////////////
  78
  79 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  80 { \
  81         QPalette palette = WIDGET->palette(); \
  82         palette.setColor(QPalette::Background, COLOR); \
  83         WIDGET->setPalette(palette); \
  84 } \
  85 while(0)
  86
  87 #define SET_PROGRESS_TEXT(TXT) do \
  88 { \
  89         ui->label_progress->setText(TXT); \
  90         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  91 } \
  92 while(0)
  93
  94 #define SET_FONT_BOLD(WIDGET,BOLD) do \
  95 { \
  96         QFont _font = WIDGET->font(); \
  97         _font.setBold(BOLD); WIDGET->setFont(_font); \
  98 } \
  99 while(0)
 100
 101 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 102 { \
 103         QPalette _palette = WIDGET->palette(); \
 104         _palette.setColor(QPalette::WindowText, (COLOR)); \
 105         _palette.setColor(QPalette::Text, (COLOR)); \
 106         WIDGET->setPalette(_palette); \
 107 } \
 108 while(0)
 109
 110 #define UPDATE_MIN_WIDTH(WIDGET) do \
 111 { \
 112         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 113 } \
 114 while(0)
 115
 116 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 117
 118 ////////////////////////////////////////////////////////////
 119
 120 //Dummy class for UserData
 121 class IntUserData : public QObjectUserData
 122 {
 123 public:
 124         IntUserData(int value) : m_value(value) {/*NOP*/}
 125         int value(void) { return m_value; }
 126         void setValue(int value) { m_value = value; }
 127 private:
 128         int m_value;
 129 };
 130
 131 ////////////////////////////////////////////////////////////
 132 // Constructor
 133 ////////////////////////////////////////////////////////////
 134
 135 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, const AudioFileModel_MetaInfo *metaInfo, SettingsModel *settings, QWidget *parent)
 136 :
 137         QDialog(parent),
 138         ui(new Ui::ProcessingDialog),
 139         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 140         m_settings(settings),
 141         m_metaInfo(metaInfo),
 142         m_shutdownFlag(shutdownFlag_None),
 143         m_threadPool(NULL),
 144         m_diskObserver(NULL),
 145         m_cpuObserver(NULL),
 146         m_ramObserver(NULL),
 147         m_progressViewFilter(-1),
 148         m_firstShow(true)
 149 {
 150         //Init the dialog, from the .ui file
 151         ui->setupUi(this);
 152         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 153
 154         //Update header icon
 155         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 156
 157         //Setup version info
 158         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 159         ui->label_versionInfo->installEventFilter(this);
 160
 161         //Register meta type
 162         qRegisterMetaType<QUuid>("QUuid");
 163
 164         //Center window in screen
 165         QRect desktopRect = QApplication::desktop()->screenGeometry();
 166         QRect thisRect = this->geometry();
 167         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 168         setMinimumSize(thisRect.width(), thisRect.height());
 169
 170         //Enable buttons
 171         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 172
 173         //Init progress indicator
 174         m_progressIndicator = new QMovie(":/images/Working.gif");
 175         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 176         m_progressIndicator->setSpeed(50);
 177         ui->label_headerWorking->setMovie(m_progressIndicator);
 178         ui->progressBar->setValue(0);
 179
 180         //Init progress model
 181         m_progressModel = new ProgressModel();
 182         ui->view_log->setModel(m_progressModel);
 183         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 184         ui->view_log->verticalHeader()->hide();
 185         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 186         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 187         ui->view_log->viewport()->installEventFilter(this);
 188         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 189         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 190         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 191         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 192         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 193         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 194
 195         //Create context menu
 196         m_contextMenu = new QMenu();
 197         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 198         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 199         m_contextMenu->addSeparator();
 200
 201         //Create "filter" context menu
 202         m_progressViewFilterGroup = new QActionGroup(this);
 203         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 204         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 205         {
 206                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 207                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 208                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 209                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 210                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 211                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 212                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 213                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 214                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 215                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 216         }
 217
 218         //Create info label
 219         if(m_filterInfoLabel = new QLabel(ui->view_log))
 220         {
 221                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 222                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 223                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 224                 SET_FONT_BOLD(m_filterInfoLabel, true);
 225                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 226                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 227                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 228                 m_filterInfoLabel->hide();
 229         }
 230         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 231         {
 232                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 233                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 234                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 235                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 236                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 237                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 238                 m_filterInfoLabelIcon->hide();
 239         }
 240
 241         //Connect context menu
 242         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 243         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 244         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 245         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 246         for(size_t i = 0; i < 5; i++)
 247         {
 248                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 249         }
 250         SET_FONT_BOLD(contextMenuDetailsAction, true);
 251
 252         //Enque jobs
 253         if(fileListModel)
 254         {
 255                 for(int i = 0; i < fileListModel->rowCount(); i++)
 256                 {
 257                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 258                 }
 259         }
 260
 261         //Translate
 262         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 263
 264         //Enable system tray icon
 265         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 266
 267         //Init other vars
 268         m_runningThreads = 0;
 269         m_currentFile = 0;
 270         m_allJobs.clear();
 271         m_succeededJobs.clear();
 272         m_failedJobs.clear();
 273         m_skippedJobs.clear();
 274         m_userAborted = false;
 275         m_forcedAbort = false;
 276         m_timerStart = 0I64;
 277 }
 278
 279 ////////////////////////////////////////////////////////////
 280 // Destructor
 281 ////////////////////////////////////////////////////////////
 282
 283 ProcessingDialog::~ProcessingDialog(void)
 284 {
 285         ui->view_log->setModel(NULL);
 286
 287         if(m_progressIndicator)
 288         {
 289                 m_progressIndicator->stop();
 290         }
 291
 292         if(m_diskObserver)
 293         {
 294                 m_diskObserver->stop();
 295                 if(!m_diskObserver->wait(15000))
 296                 {
 297                         m_diskObserver->terminate();
 298                         m_diskObserver->wait();
 299                 }
 300         }
 301         if(m_cpuObserver)
 302         {
 303                 m_cpuObserver->stop();
 304                 if(!m_cpuObserver->wait(15000))
 305                 {
 306                         m_cpuObserver->terminate();
 307                         m_cpuObserver->wait();
 308                 }
 309         }
 310         if(m_ramObserver)
 311         {
 312                 m_ramObserver->stop();
 313                 if(!m_ramObserver->wait(15000))
 314                 {
 315                         m_ramObserver->terminate();
 316                         m_ramObserver->wait();
 317                 }
 318         }
 319
 320         if(m_threadPool)
 321         {
 322                 if(!m_threadPool->waitForDone(100))
 323                 {
 324                         emit abortRunningTasks();
 325                         m_threadPool->waitForDone();
 326                 }
 327         }
 328
 329         LAMEXP_DELETE(m_progressIndicator);
 330         LAMEXP_DELETE(m_systemTray);
 331         LAMEXP_DELETE(m_diskObserver);
 332         LAMEXP_DELETE(m_cpuObserver);
 333         LAMEXP_DELETE(m_ramObserver);
 334         LAMEXP_DELETE(m_progressViewFilterGroup);
 335         LAMEXP_DELETE(m_filterInfoLabel);
 336         LAMEXP_DELETE(m_filterInfoLabelIcon);
 337         LAMEXP_DELETE(m_contextMenu);
 338         LAMEXP_DELETE(m_progressModel);
 339         LAMEXP_DELETE(m_threadPool);
 340
 341         WinSevenTaskbar::setOverlayIcon(this, NULL);
 342         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 343
 344         LAMEXP_DELETE(ui);
 345 }
 346
 347 ////////////////////////////////////////////////////////////
 348 // EVENTS
 349 ////////////////////////////////////////////////////////////
 350
 351 void ProcessingDialog::showEvent(QShowEvent *event)
 352 {
 353         QDialog::showEvent(event);
 354
 355         if(m_firstShow)
 356         {
 357                 static const char *NA = " N/A";
 358
 359                 lamexp_enable_close_button(this, false);
 360                 ui->button_closeDialog->setEnabled(false);
 361                 ui->button_AbortProcess->setEnabled(false);
 362                 m_systemTray->setVisible(true);
 363
 364                 lamexp_change_process_priority(1);
 365
 366                 ui->label_cpu->setText(NA);
 367                 ui->label_disk->setText(NA);
 368                 ui->label_ram->setText(NA);
 369
 370                 QTimer::singleShot(1000, this, SLOT(initEncoding()));
 371                 m_firstShow = false;
 372         }
 373
 374         //Force update geometry
 375         resizeEvent(NULL);
 376 }
 377
 378 void ProcessingDialog::closeEvent(QCloseEvent *event)
 379 {
 380         if(!ui->button_closeDialog->isEnabled())
 381         {
 382                 event->ignore();
 383         }
 384         else
 385         {
 386                 m_systemTray->setVisible(false);
 387         }
 388 }
 389
 390 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 391 {
 392         static QColor defaultColor = QColor();
 393
 394         if(obj == ui->label_versionInfo)
 395         {
 396                 if(event->type() == QEvent::Enter)
 397                 {
 398                         QPalette palette = ui->label_versionInfo->palette();
 399                         defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 400                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 401                         ui->label_versionInfo->setPalette(palette);
 402                 }
 403                 else if(event->type() == QEvent::Leave)
 404                 {
 405                         QPalette palette = ui->label_versionInfo->palette();
 406                         palette.setColor(QPalette::Normal, QPalette::WindowText, defaultColor);
 407                         ui->label_versionInfo->setPalette(palette);
 408                 }
 409                 else if(event->type() == QEvent::MouseButtonPress)
 410                 {
 411                         QUrl url(lamexp_website_url());
 412                         QDesktopServices::openUrl(url);
 413                 }
 414         }
 415
 416         return false;
 417 }
 418
 419 bool ProcessingDialog::event(QEvent *e)
 420 {
 421         switch(e->type())
 422         {
 423         case lamexp_event_queryendsession:
 424                 qWarning("System is shutting down, preparing to abort...");
 425                 if(!m_userAborted) abortEncoding(true);
 426                 return true;
 427         case lamexp_event_endsession:
 428                 qWarning("System is shutting down, encoding will be aborted now...");
 429                 if(isVisible())
 430                 {
 431                         while(!close())
 432                         {
 433                                 if(!m_userAborted) abortEncoding(true);
 434                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 435                         }
 436                 }
 437                 m_pendingJobs.clear();
 438                 return true;
 439         default:
 440                 return QDialog::event(e);
 441         }
 442 }
 443
 444 /*
 445  * Window was resized
 446  */
 447 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 448 {
 449         if(event) QDialog::resizeEvent(event);
 450
 451         if(QWidget *port = ui->view_log->viewport())
 452         {
 453                 QRect geom = port->geometry();
 454                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 455                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 456         }
 457 }
 458
 459 bool ProcessingDialog::winEvent(MSG *message, long *result)
 460 {
 461         return WinSevenTaskbar::handleWinEvent(message, result);
 462 }
 463
 464 ////////////////////////////////////////////////////////////
 465 // SLOTS
 466 ////////////////////////////////////////////////////////////
 467
 468 void ProcessingDialog::initEncoding(void)
 469 {
 470         qDebug("Initializing encoding process...");
 471
 472         m_runningThreads = 0;
 473         m_currentFile = 0;
 474         m_allJobs.clear();
 475         m_succeededJobs.clear();
 476         m_failedJobs.clear();
 477         m_skippedJobs.clear();
 478         m_userAborted = false;
 479         m_forcedAbort = false;
 480         m_playList.clear();
 481
 482         DecoderRegistry::configureDecoders(m_settings);
 483
 484         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 485         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 486         m_progressIndicator->start();
 487
 488         ui->button_closeDialog->setEnabled(false);
 489         ui->button_AbortProcess->setEnabled(true);
 490         ui->progressBar->setRange(0, m_pendingJobs.count());
 491         ui->checkBox_shutdownComputer->setEnabled(true);
 492         ui->checkBox_shutdownComputer->setChecked(false);
 493
 494         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 495         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 496         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 497
 498         if(!m_diskObserver)
 499         {
 500                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2());
 501                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 502                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 503                 m_diskObserver->start();
 504         }
 505         if(!m_cpuObserver)
 506         {
 507                 m_cpuObserver = new CPUObserverThread();
 508                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 509                 m_cpuObserver->start();
 510         }
 511         if(!m_ramObserver)
 512         {
 513                 m_ramObserver = new RAMObserverThread();
 514                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 515                 m_ramObserver->start();
 516         }
 517
 518         if(!m_threadPool)
 519         {
 520                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 521                 if(maximumInstances < 1)
 522                 {
 523                         lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features(lamexp_arguments());
 524                         maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 525                 }
 526
 527                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 528                 if(maximumInstances > 1)
 529                 {
 530                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 531                 }
 532
 533                 m_threadPool = new QThreadPool();
 534                 m_threadPool->setMaxThreadCount(maximumInstances);
 535         }
 536
 537         for(int i = 0; i < m_threadPool->maxThreadCount(); i++)
 538         {
 539                 startNextJob();
 540                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 541                 QThread::yieldCurrentThread();
 542         }
 543
 544         m_timerStart = lamexp_perfcounter_value();
 545 }
 546
 547 void ProcessingDialog::startNextJob(void)
 548 {
 549         if(m_pendingJobs.isEmpty())
 550         {
 551                 qWarning("No more files left, unable to start another job!");
 552                 return;
 553         }
 554
 555         m_currentFile++;
 556         m_runningThreads++;
 557
 558         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 559         bool nativeResampling = false;
 560
 561         //Create encoder instance
 562         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 563
 564         //Create processing thread
 565         ProcessThread *thread = new ProcessThread
 566         (
 567                 currentFile,
 568                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 569                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2()),
 570                 encoder,
 571                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 572         );
 573
 574         //Add audio filters
 575         if(m_settings->forceStereoDownmix())
 576         {
 577                 thread->addFilter(new DownmixFilter());
 578         }
 579         if((m_settings->samplingRate() > 0) && !nativeResampling)
 580         {
 581                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 582                 {
 583                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 584                 }
 585         }
 586         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 587         {
 588                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 589         }
 590         if(m_settings->normalizationFilterEnabled())
 591         {
 592                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 593         }
 594         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 595         {
 596                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 597         }
 598         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 599         {
 600                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 601         }
 602
 603         m_allJobs.append(thread->getId());
 604
 605         //Connect thread signals
 606         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 607         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 608         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 609         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 610         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 611         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 612
 613         //Initialize thread object
 614         if(!thread->init())
 615         {
 616                 qFatal("Fatal Error: Thread initialization has failed!");
 617         }
 618
 619         //Update GUI
 620         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 621
 622         //Give it a go!
 623         if(!thread->start(m_threadPool))
 624         {
 625                 qWarning("Job failed to start or file was skipped!");
 626         }
 627 }
 628
 629 void ProcessingDialog::abortEncoding(bool force)
 630 {
 631         m_userAborted = true;
 632         if(force) m_forcedAbort = true;
 633         ui->button_AbortProcess->setEnabled(false);
 634         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 635         emit abortRunningTasks();
 636 }
 637
 638 void ProcessingDialog::doneEncoding(void)
 639 {
 640         m_runningThreads--;
 641         ui->progressBar->setValue(ui->progressBar->value() + 1);
 642
 643         if(!m_userAborted)
 644         {
 645                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 646                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 647         }
 648
 649         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 650         {
 651                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 652                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 653                 return;
 654         }
 655
 656         if(m_runningThreads > 0)
 657         {
 658                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 659                 return;
 660         }
 661
 662         QApplication::setOverrideCursor(Qt::WaitCursor);
 663         qDebug("Running jobs: %u", m_runningThreads);
 664
 665         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 666         {
 667                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 668                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 669                 writePlayList();
 670         }
 671
 672         if(m_userAborted)
 673         {
 674                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF3BA"));
 675                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 676                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 677                 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!"));
 678                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 679                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 680                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 681                 if(m_settings->soundsEnabled() && (!m_forcedAbort))
 682                 {
 683                         lamexp_play_sound(IDR_WAVE_ABORTED, false);
 684                 }
 685         }
 686         else
 687         {
 688                 const __int64 counter = lamexp_perfcounter_value();
 689                 const __int64 frequency  = lamexp_perfcounter_frequ();
 690                 if((counter >= 0I64) && (frequency >= 0))
 691                 {
 692                         if((m_timerStart >= 0I64) && (m_timerStart < counter))
 693                         {
 694                                 double timeElapsed = static_cast<double>(counter - m_timerStart) / static_cast<double>(frequency);
 695                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 696                         }
 697                 }
 698
 699                 if(m_failedJobs.count() > 0)
 700                 {
 701                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFBABA"));
 702                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 703                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 704                         if(m_skippedJobs.count() > 0)
 705                         {
 706                                 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())));
 707                         }
 708                         else
 709                         {
 710                                 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())));
 711                         }
 712                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 713                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 714                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 715                         if(m_settings->soundsEnabled()) lamexp_play_sound(IDR_WAVE_ERROR, false);
 716                 }
 717                 else
 718                 {
 719                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#E0FFE2"));
 720                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 721                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 722                         if(m_skippedJobs.count() > 0)
 723                         {
 724                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 725                         }
 726                         else
 727                         {
 728                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 729                         }
 730                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 731                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 732                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 733                         if(m_settings->soundsEnabled()) lamexp_play_sound(IDR_WAVE_SUCCESS, false);
 734                 }
 735         }
 736
 737         lamexp_enable_close_button(this, true);
 738         ui->button_closeDialog->setEnabled(true);
 739         ui->button_AbortProcess->setEnabled(false);
 740         ui->checkBox_shutdownComputer->setEnabled(false);
 741
 742         m_progressModel->restoreHiddenItems();
 743         ui->view_log->scrollToBottom();
 744         m_progressIndicator->stop();
 745         ui->progressBar->setValue(ui->progressBar->maximum());
 746         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 747
 748         QApplication::restoreOverrideCursor();
 749
 750         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 751         {
 752                 if(shutdownComputer())
 753                 {
 754                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 755                         accept();
 756                 }
 757         }
 758 }
 759
 760 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 761 {
 762         if(success > 0)
 763         {
 764                 m_playList.insert(jobId, outFileName);
 765                 m_succeededJobs.append(jobId);
 766         }
 767         else if(success < 0)
 768         {
 769                 m_playList.insert(jobId, outFileName);
 770                 m_skippedJobs.append(jobId);
 771         }
 772         else
 773         {
 774                 m_failedJobs.append(jobId);
 775         }
 776
 777         //Update filter as soon as a job finished!
 778         if(m_progressViewFilter >= 0)
 779         {
 780                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 781         }
 782 }
 783
 784 void ProcessingDialog::progressModelChanged(void)
 785 {
 786         //Update filter as soon as the model changes!
 787         if(m_progressViewFilter >= 0)
 788         {
 789                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 790         }
 791
 792         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 793 }
 794
 795 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 796 {
 797         if(m_runningThreads == 0)
 798         {
 799                 const QStringList &logFile = m_progressModel->getLogFile(index);
 800
 801                 if(!logFile.isEmpty())
 802                 {
 803                         LogViewDialog *logView = new LogViewDialog(this);
 804                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 805                         logView->exec(logFile);
 806                         LAMEXP_DELETE(logView);
 807                 }
 808                 else
 809                 {
 810                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 811                 }
 812         }
 813         else
 814         {
 815                 lamexp_beep(lamexp_beep_warning);
 816         }
 817 }
 818
 819 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 820 {
 821         if(logicalIndex == 1)
 822         {
 823                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 824                 {
 825                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 826                 }
 827         }
 828 }
 829
 830 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 831 {
 832         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 833         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 834
 835         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 836         {
 837                 m_contextMenu->popup(sender->mapToGlobal(pos));
 838         }
 839 }
 840
 841 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 842 {
 843         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 844         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 845 }
 846
 847 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 848 {
 849         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 850         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 851         QString filePath = m_playList.value(jobId, QString());
 852
 853         if(filePath.isEmpty())
 854         {
 855                 lamexp_beep(lamexp_beep_warning);
 856                 return;
 857         }
 858
 859         if(QFileInfo(filePath).exists())
 860         {
 861                 QString systemRootPath;
 862
 863                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 864                 if(systemRoot.exists() && systemRoot.cdUp())
 865                 {
 866                         systemRootPath = systemRoot.canonicalPath();
 867                 }
 868
 869                 if(!systemRootPath.isEmpty())
 870                 {
 871                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 872                         if(explorer.exists() && explorer.isFile())
 873                         {
 874                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 875                                 return;
 876                         }
 877                 }
 878                 else
 879                 {
 880                         qWarning("SystemRoot directory could not be detected!");
 881                 }
 882         }
 883         else
 884         {
 885                 qWarning("File not found: %s", filePath.toLatin1().constData());
 886                 lamexp_beep(lamexp_beep_error);
 887         }
 888 }
 889
 890 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 891 {
 892         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 893         {
 894                 if(action->data().type() == QVariant::Int)
 895                 {
 896                         m_progressViewFilter = action->data().toInt();
 897                         progressViewFilterChanged();
 898                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 899                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 900                         action->setChecked(true);
 901                 }
 902         }
 903 }
 904
 905 /*
 906  * Filter progress items
 907  */
 908 void ProcessingDialog::progressViewFilterChanged(void)
 909 {
 910         bool matchFound = false;
 911
 912         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 913         {
 914                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 915                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 916                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 917         }
 918
 919         if((m_progressViewFilter >= 0) && (!matchFound))
 920         {
 921                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 922                 {
 923                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 924                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 925                         m_filterInfoLabel->show();
 926                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 927                         m_filterInfoLabelIcon->show();
 928                         resizeEvent(NULL);
 929                 }
 930         }
 931         else if(!m_filterInfoLabel->isHidden())
 932         {
 933                 m_filterInfoLabel->hide();
 934                 m_filterInfoLabelIcon->hide();
 935         }
 936 }
 937
 938 ////////////////////////////////////////////////////////////
 939 // Private Functions
 940 ////////////////////////////////////////////////////////////
 941
 942 void ProcessingDialog::writePlayList(void)
 943 {
 944         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 945         {
 946                 qWarning("WritePlayList: Nothing to do!");
 947                 return;
 948         }
 949
 950         //Init local variables
 951         QStringList list;
 952         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 953         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 954         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 955         bool usePrefix[3] = {true, true, true};
 956         bool useUtf8 = false;
 957         int counter = 1;
 958
 959         //Generate playlist name
 960         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 961         if(!m_metaInfo->artist().isEmpty())
 962         {
 963                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 964         }
 965
 966         //Clean playlist name
 967         playListName = lamexp_clean_filename(playListName);
 968
 969         //Create list of audio files
 970         for(int i = 0; i < m_allJobs.count(); i++)
 971         {
 972                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 973                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 974         }
 975
 976         //Use prefix?
 977         for(int i = 0; i < list.count(); i++)
 978         {
 979                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
 980                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
 981                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
 982         }
 983         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
 984         {
 985                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
 986         }
 987
 988         //Do we need an UTF-8 playlist?
 989         for(int i = 0; i < list.count(); i++)
 990         {
 991                 if(wcscmp(QWCHAR(QString::fromLatin1(list.at(i).toLatin1().constData())), QWCHAR(list.at(i))))
 992                 {
 993                         useUtf8 = true;
 994                         break;
 995                 }
 996         }
 997
 998         //Generate playlist output file
 999         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1000         while(QFileInfo(playListFile).exists())
1001         {
1002                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1003         }
1004
1005         //Now write playlist to output file
1006         QFile playList(playListFile);
1007         if(playList.open(QIODevice::WriteOnly))
1008         {
1009                 if(useUtf8)
1010                 {
1011                         playList.write("\xef\xbb\xbf");
1012                 }
1013                 playList.write("#EXTM3U\r\n");
1014                 while(!list.isEmpty())
1015                 {
1016                         playList.write(useUtf8 ? QUTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1017                         playList.write("\r\n");
1018                 }
1019                 playList.close();
1020         }
1021         else
1022         {
1023                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1024         }
1025 }
1026
1027 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1028 {
1029         if(!m_settings->writeMetaTags())
1030         {
1031                 audioFile.metaInfo().reset();
1032                 return audioFile;
1033         }
1034
1035         audioFile.metaInfo().update(*m_metaInfo, true);
1036
1037         if(audioFile.metaInfo().position() == UINT_MAX)
1038         {
1039                 audioFile.metaInfo().setPosition(m_currentFile);
1040         }
1041
1042         return audioFile;
1043 }
1044
1045 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1046 {
1047         if(reason == QSystemTrayIcon::DoubleClick)
1048         {
1049                 lamexp_bring_to_front(this);
1050         }
1051 }
1052
1053 void ProcessingDialog::cpuUsageHasChanged(const double val)
1054 {
1055
1056         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1057         UPDATE_MIN_WIDTH(ui->label_cpu);
1058 }
1059
1060 void ProcessingDialog::ramUsageHasChanged(const double val)
1061 {
1062
1063         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1064         UPDATE_MIN_WIDTH(ui->label_ram);
1065 }
1066
1067 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1068 {
1069         int postfix = 0;
1070         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1071         double space = static_cast<double>(val);
1072
1073         while((space >= 1000.0) && (postfix < 5))
1074         {
1075                 space = space / 1024.0;
1076                 postfix++;
1077         }
1078
1079         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1080         UPDATE_MIN_WIDTH(ui->label_disk);
1081 }
1082
1083 bool ProcessingDialog::shutdownComputer(void)
1084 {
1085         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1086         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1087         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1088
1089         qWarning("Initiating shutdown sequence!");
1090
1091         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1092         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1093         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1094         progressDialog.setModal(true);
1095         progressDialog.setAutoClose(false);
1096         progressDialog.setAutoReset(false);
1097         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1098         progressDialog.setCancelButton(cancelButton);
1099         progressDialog.show();
1100
1101         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1102
1103         if(m_settings->soundsEnabled())
1104         {
1105                 QApplication::setOverrideCursor(Qt::WaitCursor);
1106                 lamexp_play_sound(IDR_WAVE_SHUTDOWN, false);
1107                 QApplication::restoreOverrideCursor();
1108         }
1109
1110         QTimer timer;
1111         timer.setInterval(1000);
1112         timer.start();
1113
1114         QEventLoop eventLoop(this);
1115         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1116         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1117
1118         for(int i = 1; i <= iTimeout; i++)
1119         {
1120                 eventLoop.exec();
1121                 if(progressDialog.wasCanceled())
1122                 {
1123                         progressDialog.close();
1124                         return false;
1125                 }
1126                 progressDialog.setValue(i+1);
1127                 progressDialog.setLabelText(text.arg(iTimeout-i));
1128                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1129                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1130                 lamexp_play_sound(((i < iTimeout) ? IDR_WAVE_BEEP : IDR_WAVE_BEEP_LONG), false);
1131         }
1132
1133         progressDialog.close();
1134         return true;
1135 }
1136
1137 QString ProcessingDialog::time2text(const double timeVal) const
1138 {
1139         double intPart = 0;
1140         double frcPart = modf(timeVal, &intPart);
1141
1142         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1143
1144         QString a, b;
1145
1146         if(time.hour() > 0)
1147         {
1148                 a = tr("%n hour(s)", "", time.hour());
1149                 b = tr("%n minute(s)", "", time.minute());
1150         }
1151         else if(time.minute() > 0)
1152         {
1153                 a = tr("%n minute(s)", "", time.minute());
1154                 b = tr("%n second(s)", "", time.second());
1155         }
1156         else
1157         {
1158                 a = tr("%n second(s)", "", time.second());
1159                 b = tr("%n millisecond(s)", "", time.msec());
1160         }
1161
1162         return QString("%1, %2").arg(a, b);
1163 }
1164
1165 ////////////////////////////////////////////////////////////
1166 // HELPER FUNCTIONS
1167 ////////////////////////////////////////////////////////////
1168
1169 static int cores2instances(int cores)
1170 {
1171         //This function is a "cubic spline" with sampling points at:
1172         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1173         static const double LUT[8][5] =
1174         {
1175                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1176                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1177                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1178                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1179                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1180                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1181                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1182                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1183         };
1184
1185         double x = abs(static_cast<double>(cores)), y = 1.0;
1186
1187         for(size_t i = 0; i < 7; i++)
1188         {
1189                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1190                 {
1191                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1192                         break;
1193                 }
1194         }
1195
1196         return qRound(y);
1197 }