src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 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 "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 PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 116 { \
 117         if(m_settings->soundsEnabled()) lamexp_play_sound((NAME), (ASYNC)); \
 118 } \
 119 while(0)
 120
 121 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 122
 123 ////////////////////////////////////////////////////////////
 124
 125 //Dummy class for UserData
 126 class IntUserData : public QObjectUserData
 127 {
 128 public:
 129         IntUserData(int value) : m_value(value) {/*NOP*/}
 130         int value(void) { return m_value; }
 131         void setValue(int value) { m_value = value; }
 132 private:
 133         int m_value;
 134 };
 135
 136 ////////////////////////////////////////////////////////////
 137 // Constructor
 138 ////////////////////////////////////////////////////////////
 139
 140 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, const AudioFileModel_MetaInfo *metaInfo, SettingsModel *settings, QWidget *parent)
 141 :
 142         QDialog(parent),
 143         ui(new Ui::ProcessingDialog),
 144         m_windowIcon(NULL),
 145         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 146         m_settings(settings),
 147         m_metaInfo(metaInfo),
 148         m_shutdownFlag(shutdownFlag_None),
 149         m_threadPool(NULL),
 150         m_diskObserver(NULL),
 151         m_cpuObserver(NULL),
 152         m_ramObserver(NULL),
 153         m_progressViewFilter(-1),
 154         m_initThreads(0),
 155         m_defaultColor(new QColor()),
 156         m_firstShow(true)
 157 {
 158         //Init the dialog, from the .ui file
 159         ui->setupUi(this);
 160         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 161
 162         //Update the window icon
 163         m_windowIcon = lamexp_set_window_icon(this, lamexp_app_icon(), true);
 164
 165         //Update header icon
 166         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 167
 168         //Setup version info
 169         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 170         ui->label_versionInfo->installEventFilter(this);
 171
 172         //Register meta type
 173         qRegisterMetaType<QUuid>("QUuid");
 174
 175         //Center window in screen
 176         QRect desktopRect = QApplication::desktop()->screenGeometry();
 177         QRect thisRect = this->geometry();
 178         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 179         setMinimumSize(thisRect.width(), thisRect.height());
 180
 181         //Enable buttons
 182         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 183
 184         //Init progress indicator
 185         m_progressIndicator = new QMovie(":/images/Working.gif");
 186         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 187         ui->label_headerWorking->setMovie(m_progressIndicator);
 188         ui->progressBar->setValue(0);
 189
 190         //Init progress model
 191         m_progressModel = new ProgressModel();
 192         ui->view_log->setModel(m_progressModel);
 193         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 194         ui->view_log->verticalHeader()->hide();
 195         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 196         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 197         ui->view_log->viewport()->installEventFilter(this);
 198         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 199         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 200         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 201         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 202         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 203         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 204
 205         //Create context menu
 206         m_contextMenu = new QMenu();
 207         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 208         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 209         m_contextMenu->addSeparator();
 210
 211         //Create "filter" context menu
 212         m_progressViewFilterGroup = new QActionGroup(this);
 213         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 214         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 215         {
 216                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 217                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 218                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 219                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 220                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 221                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 222                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 223                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 224                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 225                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 226         }
 227
 228         //Create info label
 229         if(m_filterInfoLabel = new QLabel(ui->view_log))
 230         {
 231                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 232                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 233                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 234                 SET_FONT_BOLD(m_filterInfoLabel, true);
 235                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 236                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 237                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 238                 m_filterInfoLabel->hide();
 239         }
 240         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 241         {
 242                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 243                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 244                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 245                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 246                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 247                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 248                 m_filterInfoLabelIcon->hide();
 249         }
 250
 251         //Connect context menu
 252         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 253         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 254         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 255         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 256         for(size_t i = 0; i < 5; i++)
 257         {
 258                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 259         }
 260         SET_FONT_BOLD(contextMenuDetailsAction, true);
 261
 262         //Enque jobs
 263         if(fileListModel)
 264         {
 265                 for(int i = 0; i < fileListModel->rowCount(); i++)
 266                 {
 267                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 268                 }
 269         }
 270
 271         //Translate
 272         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 273
 274         //Enable system tray icon
 275         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 276
 277         //Init other vars
 278         m_runningThreads = 0;
 279         m_currentFile = 0;
 280         m_allJobs.clear();
 281         m_succeededJobs.clear();
 282         m_failedJobs.clear();
 283         m_skippedJobs.clear();
 284         m_userAborted = false;
 285         m_forcedAbort = false;
 286         m_timerStart = 0I64;
 287 }
 288
 289 ////////////////////////////////////////////////////////////
 290 // Destructor
 291 ////////////////////////////////////////////////////////////
 292
 293 ProcessingDialog::~ProcessingDialog(void)
 294 {
 295         ui->view_log->setModel(NULL);
 296
 297         if(m_progressIndicator)
 298         {
 299                 m_progressIndicator->stop();
 300         }
 301
 302         if(m_diskObserver)
 303         {
 304                 m_diskObserver->stop();
 305                 if(!m_diskObserver->wait(15000))
 306                 {
 307                         m_diskObserver->terminate();
 308                         m_diskObserver->wait();
 309                 }
 310         }
 311
 312         if(m_cpuObserver)
 313         {
 314                 m_cpuObserver->stop();
 315                 if(!m_cpuObserver->wait(15000))
 316                 {
 317                         m_cpuObserver->terminate();
 318                         m_cpuObserver->wait();
 319                 }
 320         }
 321
 322         if(m_ramObserver)
 323         {
 324                 m_ramObserver->stop();
 325                 if(!m_ramObserver->wait(15000))
 326                 {
 327                         m_ramObserver->terminate();
 328                         m_ramObserver->wait();
 329                 }
 330         }
 331
 332         if(m_threadPool)
 333         {
 334                 if(!m_threadPool->waitForDone(100))
 335                 {
 336                         emit abortRunningTasks();
 337                         m_threadPool->waitForDone();
 338                 }
 339         }
 340
 341         LAMEXP_DELETE(m_progressIndicator);
 342         LAMEXP_DELETE(m_systemTray);
 343         LAMEXP_DELETE(m_diskObserver);
 344         LAMEXP_DELETE(m_cpuObserver);
 345         LAMEXP_DELETE(m_ramObserver);
 346         LAMEXP_DELETE(m_progressViewFilterGroup);
 347         LAMEXP_DELETE(m_filterInfoLabel);
 348         LAMEXP_DELETE(m_filterInfoLabelIcon);
 349         LAMEXP_DELETE(m_contextMenu);
 350         LAMEXP_DELETE(m_progressModel);
 351         LAMEXP_DELETE(m_threadPool);
 352         LAMEXP_DELETE(m_defaultColor);
 353
 354         WinSevenTaskbar::setOverlayIcon(this, NULL);
 355         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 356
 357         if(m_windowIcon)
 358         {
 359                 lamexp_free_window_icon(m_windowIcon);
 360                 m_windowIcon = NULL;
 361         }
 362
 363         LAMEXP_DELETE(ui);
 364 }
 365
 366 ////////////////////////////////////////////////////////////
 367 // EVENTS
 368 ////////////////////////////////////////////////////////////
 369
 370 void ProcessingDialog::showEvent(QShowEvent *event)
 371 {
 372         QDialog::showEvent(event);
 373
 374         if(m_firstShow)
 375         {
 376                 static const char *NA = " N/A";
 377
 378                 lamexp_enable_close_button(this, false);
 379                 ui->button_closeDialog->setEnabled(false);
 380                 ui->button_AbortProcess->setEnabled(false);
 381                 m_progressIndicator->start();
 382                 m_systemTray->setVisible(true);
 383
 384                 lamexp_change_process_priority(1);
 385
 386                 ui->label_cpu->setText(NA);
 387                 ui->label_disk->setText(NA);
 388                 ui->label_ram->setText(NA);
 389
 390                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 391                 m_firstShow = false;
 392         }
 393
 394         //Force update geometry
 395         resizeEvent(NULL);
 396 }
 397
 398 void ProcessingDialog::closeEvent(QCloseEvent *event)
 399 {
 400         if(!ui->button_closeDialog->isEnabled())
 401         {
 402                 event->ignore();
 403         }
 404         else
 405         {
 406                 m_systemTray->setVisible(false);
 407         }
 408 }
 409
 410 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 411 {
 412         if(obj == ui->label_versionInfo)
 413         {
 414                 if(event->type() == QEvent::Enter)
 415                 {
 416                         QPalette palette = ui->label_versionInfo->palette();
 417                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 418                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 419                         ui->label_versionInfo->setPalette(palette);
 420                 }
 421                 else if(event->type() == QEvent::Leave)
 422                 {
 423                         QPalette palette = ui->label_versionInfo->palette();
 424                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 425                         ui->label_versionInfo->setPalette(palette);
 426                 }
 427                 else if(event->type() == QEvent::MouseButtonPress)
 428                 {
 429                         QUrl url(lamexp_website_url());
 430                         QDesktopServices::openUrl(url);
 431                 }
 432         }
 433
 434         return false;
 435 }
 436
 437 bool ProcessingDialog::event(QEvent *e)
 438 {
 439         switch(e->type())
 440         {
 441         case lamexp_event_queryendsession:
 442                 qWarning("System is shutting down, preparing to abort...");
 443                 if(!m_userAborted) abortEncoding(true);
 444                 return true;
 445         case lamexp_event_endsession:
 446                 qWarning("System is shutting down, encoding will be aborted now...");
 447                 if(isVisible())
 448                 {
 449                         while(!close())
 450                         {
 451                                 if(!m_userAborted) abortEncoding(true);
 452                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 453                         }
 454                 }
 455                 m_pendingJobs.clear();
 456                 return true;
 457         default:
 458                 return QDialog::event(e);
 459         }
 460 }
 461
 462 /*
 463  * Window was resized
 464  */
 465 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 466 {
 467         if(event) QDialog::resizeEvent(event);
 468
 469         if(QWidget *port = ui->view_log->viewport())
 470         {
 471                 QRect geom = port->geometry();
 472                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 473                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 474         }
 475 }
 476
 477 bool ProcessingDialog::winEvent(MSG *message, long *result)
 478 {
 479         return WinSevenTaskbar::handleWinEvent(message, result);
 480 }
 481
 482 ////////////////////////////////////////////////////////////
 483 // SLOTS
 484 ////////////////////////////////////////////////////////////
 485
 486 void ProcessingDialog::initEncoding(void)
 487 {
 488         qDebug("Initializing encoding process...");
 489
 490         m_runningThreads = 0;
 491         m_currentFile = 0;
 492         m_allJobs.clear();
 493         m_succeededJobs.clear();
 494         m_failedJobs.clear();
 495         m_skippedJobs.clear();
 496         m_userAborted = false;
 497         m_forcedAbort = false;
 498         m_playList.clear();
 499
 500         DecoderRegistry::configureDecoders(m_settings);
 501
 502         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 503         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 504
 505         ui->button_closeDialog->setEnabled(false);
 506         ui->button_AbortProcess->setEnabled(true);
 507         ui->progressBar->setRange(0, m_pendingJobs.count());
 508         ui->checkBox_shutdownComputer->setEnabled(true);
 509         ui->checkBox_shutdownComputer->setChecked(false);
 510
 511         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 512         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 513         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 514
 515         if(!m_diskObserver)
 516         {
 517                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2());
 518                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 519                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 520                 m_diskObserver->start();
 521         }
 522         if(!m_cpuObserver)
 523         {
 524                 m_cpuObserver = new CPUObserverThread();
 525                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 526                 m_cpuObserver->start();
 527         }
 528         if(!m_ramObserver)
 529         {
 530                 m_ramObserver = new RAMObserverThread();
 531                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 532                 m_ramObserver->start();
 533         }
 534
 535         if(!m_threadPool)
 536         {
 537                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 538                 if(maximumInstances < 1)
 539                 {
 540                         lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features(lamexp_arguments());
 541                         maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 542                 }
 543
 544                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 545                 if(maximumInstances > 1)
 546                 {
 547                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 548                 }
 549
 550                 m_threadPool = new QThreadPool();
 551                 m_threadPool->setMaxThreadCount(maximumInstances);
 552         }
 553
 554         //for(int i = 0; i < m_threadPool->maxThreadCount(); i++)
 555         //{
 556         //      startNextJob();
 557         //      qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 558         //      QThread::yieldCurrentThread();
 559         //}
 560
 561         m_initThreads = m_threadPool->maxThreadCount();
 562         QTimer::singleShot(100, this, SLOT(initNextJob()));
 563         m_timerStart = lamexp_perfcounter_value();
 564 }
 565
 566 void ProcessingDialog::initNextJob(void)
 567 {
 568         if((m_initThreads > 0) && (!m_userAborted))
 569         {
 570                 startNextJob();
 571                 if(--m_initThreads > 0)
 572                 {
 573                         QTimer::singleShot(100, this, SLOT(initNextJob()));
 574                 }
 575         }
 576 }
 577
 578 void ProcessingDialog::startNextJob(void)
 579 {
 580         if(m_pendingJobs.isEmpty())
 581         {
 582                 qWarning("No more files left, unable to start another job!");
 583                 return;
 584         }
 585
 586         m_currentFile++;
 587         m_runningThreads++;
 588
 589         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 590         bool nativeResampling = false;
 591
 592         //Create encoder instance
 593         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 594
 595         //Create processing thread
 596         ProcessThread *thread = new ProcessThread
 597         (
 598                 currentFile,
 599                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 600                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2()),
 601                 encoder,
 602                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 603         );
 604
 605         //Add audio filters
 606         if(m_settings->forceStereoDownmix())
 607         {
 608                 thread->addFilter(new DownmixFilter());
 609         }
 610         if((m_settings->samplingRate() > 0) && !nativeResampling)
 611         {
 612                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 613                 {
 614                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 615                 }
 616         }
 617         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 618         {
 619                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 620         }
 621         if(m_settings->normalizationFilterEnabled())
 622         {
 623                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 624         }
 625         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 626         {
 627                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 628         }
 629         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 630         {
 631                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 632         }
 633
 634         m_allJobs.append(thread->getId());
 635
 636         //Connect thread signals
 637         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 638         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 639         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 640         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 641         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 642         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 643
 644         //Initialize thread object
 645         if(!thread->init())
 646         {
 647                 qFatal("Fatal Error: Thread initialization has failed!");
 648         }
 649
 650         //Give it a go!
 651         if(!thread->start(m_threadPool))
 652         {
 653                 qWarning("Job failed to start or file was skipped!");
 654         }
 655 }
 656
 657 void ProcessingDialog::abortEncoding(bool force)
 658 {
 659         m_userAborted = true;
 660         if(force) m_forcedAbort = true;
 661         ui->button_AbortProcess->setEnabled(false);
 662         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 663         emit abortRunningTasks();
 664 }
 665
 666 void ProcessingDialog::doneEncoding(void)
 667 {
 668         m_runningThreads--;
 669         ui->progressBar->setValue(ui->progressBar->value() + 1);
 670
 671         if(!m_userAborted)
 672         {
 673                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 674                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 675         }
 676
 677         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 678         {
 679                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 680                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 681                 return;
 682         }
 683
 684         if(m_runningThreads > 0)
 685         {
 686                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 687                 return;
 688         }
 689
 690         QApplication::setOverrideCursor(Qt::WaitCursor);
 691         qDebug("Running jobs: %u", m_runningThreads);
 692
 693         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 694         {
 695                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 696                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 697                 writePlayList();
 698         }
 699
 700         if(m_userAborted)
 701         {
 702                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 703                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 704                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 705                 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!"));
 706                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 707                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 708                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 709                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 710         }
 711         else
 712         {
 713                 const __int64 counter = lamexp_perfcounter_value();
 714                 const __int64 frequency  = lamexp_perfcounter_frequ();
 715                 if((counter >= 0I64) && (frequency >= 0))
 716                 {
 717                         if((m_timerStart >= 0I64) && (m_timerStart < counter))
 718                         {
 719                                 double timeElapsed = static_cast<double>(counter - m_timerStart) / static_cast<double>(frequency);
 720                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 721                         }
 722                 }
 723
 724                 if(m_failedJobs.count() > 0)
 725                 {
 726                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 727                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 728                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 729                         if(m_skippedJobs.count() > 0)
 730                         {
 731                                 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())));
 732                         }
 733                         else
 734                         {
 735                                 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())));
 736                         }
 737                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 738                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 739                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 740                         PLAY_SOUND_OPTIONAL("error", false);
 741                 }
 742                 else
 743                 {
 744                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 745                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 746                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 747                         if(m_skippedJobs.count() > 0)
 748                         {
 749                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 750                         }
 751                         else
 752                         {
 753                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 754                         }
 755                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 756                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 757                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 758                         PLAY_SOUND_OPTIONAL("success", false);
 759                 }
 760         }
 761
 762         lamexp_enable_close_button(this, true);
 763         ui->button_closeDialog->setEnabled(true);
 764         ui->button_AbortProcess->setEnabled(false);
 765         ui->checkBox_shutdownComputer->setEnabled(false);
 766
 767         m_progressModel->restoreHiddenItems();
 768         ui->view_log->scrollToBottom();
 769         m_progressIndicator->stop();
 770         ui->progressBar->setValue(ui->progressBar->maximum());
 771         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 772
 773         QApplication::restoreOverrideCursor();
 774
 775         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 776         {
 777                 if(shutdownComputer())
 778                 {
 779                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 780                         accept();
 781                 }
 782         }
 783 }
 784
 785 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 786 {
 787         if(success > 0)
 788         {
 789                 m_playList.insert(jobId, outFileName);
 790                 m_succeededJobs.append(jobId);
 791         }
 792         else if(success < 0)
 793         {
 794                 m_playList.insert(jobId, outFileName);
 795                 m_skippedJobs.append(jobId);
 796         }
 797         else
 798         {
 799                 m_failedJobs.append(jobId);
 800         }
 801
 802         //Update filter as soon as a job finished!
 803         if(m_progressViewFilter >= 0)
 804         {
 805                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 806         }
 807 }
 808
 809 void ProcessingDialog::progressModelChanged(void)
 810 {
 811         //Update filter as soon as the model changes!
 812         if(m_progressViewFilter >= 0)
 813         {
 814                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 815         }
 816
 817         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 818 }
 819
 820 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 821 {
 822         if(m_runningThreads == 0)
 823         {
 824                 const QStringList &logFile = m_progressModel->getLogFile(index);
 825
 826                 if(!logFile.isEmpty())
 827                 {
 828                         LogViewDialog *logView = new LogViewDialog(this);
 829                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 830                         logView->exec(logFile);
 831                         LAMEXP_DELETE(logView);
 832                 }
 833                 else
 834                 {
 835                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 836                 }
 837         }
 838         else
 839         {
 840                 lamexp_beep(lamexp_beep_warning);
 841         }
 842 }
 843
 844 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 845 {
 846         if(logicalIndex == 1)
 847         {
 848                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 849                 {
 850                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 851                 }
 852         }
 853 }
 854
 855 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 856 {
 857         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 858         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 859
 860         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 861         {
 862                 m_contextMenu->popup(sender->mapToGlobal(pos));
 863         }
 864 }
 865
 866 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 867 {
 868         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 869         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 870 }
 871
 872 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 873 {
 874         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 875         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 876         QString filePath = m_playList.value(jobId, QString());
 877
 878         if(filePath.isEmpty())
 879         {
 880                 lamexp_beep(lamexp_beep_warning);
 881                 return;
 882         }
 883
 884         if(QFileInfo(filePath).exists())
 885         {
 886                 QString systemRootPath;
 887
 888                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 889                 if(systemRoot.exists() && systemRoot.cdUp())
 890                 {
 891                         systemRootPath = systemRoot.canonicalPath();
 892                 }
 893
 894                 if(!systemRootPath.isEmpty())
 895                 {
 896                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 897                         if(explorer.exists() && explorer.isFile())
 898                         {
 899                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 900                                 return;
 901                         }
 902                 }
 903                 else
 904                 {
 905                         qWarning("SystemRoot directory could not be detected!");
 906                 }
 907         }
 908         else
 909         {
 910                 qWarning("File not found: %s", filePath.toLatin1().constData());
 911                 lamexp_beep(lamexp_beep_error);
 912         }
 913 }
 914
 915 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 916 {
 917         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 918         {
 919                 if(action->data().type() == QVariant::Int)
 920                 {
 921                         m_progressViewFilter = action->data().toInt();
 922                         progressViewFilterChanged();
 923                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 924                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 925                         action->setChecked(true);
 926                 }
 927         }
 928 }
 929
 930 /*
 931  * Filter progress items
 932  */
 933 void ProcessingDialog::progressViewFilterChanged(void)
 934 {
 935         bool matchFound = false;
 936
 937         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 938         {
 939                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 940                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 941                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 942         }
 943
 944         if((m_progressViewFilter >= 0) && (!matchFound))
 945         {
 946                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 947                 {
 948                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 949                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 950                         m_filterInfoLabel->show();
 951                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 952                         m_filterInfoLabelIcon->show();
 953                         resizeEvent(NULL);
 954                 }
 955         }
 956         else if(!m_filterInfoLabel->isHidden())
 957         {
 958                 m_filterInfoLabel->hide();
 959                 m_filterInfoLabelIcon->hide();
 960         }
 961 }
 962
 963 ////////////////////////////////////////////////////////////
 964 // Private Functions
 965 ////////////////////////////////////////////////////////////
 966
 967 void ProcessingDialog::writePlayList(void)
 968 {
 969         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 970         {
 971                 qWarning("WritePlayList: Nothing to do!");
 972                 return;
 973         }
 974
 975         //Init local variables
 976         QStringList list;
 977         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 978         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 979         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 980         bool usePrefix[3] = {true, true, true};
 981         bool useUtf8 = false;
 982         int counter = 1;
 983
 984         //Generate playlist name
 985         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 986         if(!m_metaInfo->artist().isEmpty())
 987         {
 988                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 989         }
 990
 991         //Clean playlist name
 992         playListName = lamexp_clean_filename(playListName);
 993
 994         //Create list of audio files
 995         for(int i = 0; i < m_allJobs.count(); i++)
 996         {
 997                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 998                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 999         }
1000
1001         //Use prefix?
1002         for(int i = 0; i < list.count(); i++)
1003         {
1004                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1005                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1006                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1007         }
1008         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1009         {
1010                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1011         }
1012
1013         //Do we need an UTF-8 playlist?
1014         for(int i = 0; i < list.count(); i++)
1015         {
1016                 if(wcscmp(QWCHAR(QString::fromLatin1(list.at(i).toLatin1().constData())), QWCHAR(list.at(i))))
1017                 {
1018                         useUtf8 = true;
1019                         break;
1020                 }
1021         }
1022
1023         //Generate playlist output file
1024         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1025         while(QFileInfo(playListFile).exists())
1026         {
1027                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1028         }
1029
1030         //Now write playlist to output file
1031         QFile playList(playListFile);
1032         if(playList.open(QIODevice::WriteOnly))
1033         {
1034                 if(useUtf8)
1035                 {
1036                         playList.write("\xef\xbb\xbf");
1037                 }
1038                 playList.write("#EXTM3U\r\n");
1039                 while(!list.isEmpty())
1040                 {
1041                         playList.write(useUtf8 ? QUTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1042                         playList.write("\r\n");
1043                 }
1044                 playList.close();
1045         }
1046         else
1047         {
1048                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1049         }
1050 }
1051
1052 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1053 {
1054         if(!m_settings->writeMetaTags())
1055         {
1056                 audioFile.metaInfo().reset();
1057                 return audioFile;
1058         }
1059
1060         audioFile.metaInfo().update(*m_metaInfo, true);
1061
1062         if(audioFile.metaInfo().position() == UINT_MAX)
1063         {
1064                 audioFile.metaInfo().setPosition(m_currentFile);
1065         }
1066
1067         return audioFile;
1068 }
1069
1070 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1071 {
1072         if(reason == QSystemTrayIcon::DoubleClick)
1073         {
1074                 lamexp_bring_to_front(this);
1075         }
1076 }
1077
1078 void ProcessingDialog::cpuUsageHasChanged(const double val)
1079 {
1080
1081         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1082         UPDATE_MIN_WIDTH(ui->label_cpu);
1083 }
1084
1085 void ProcessingDialog::ramUsageHasChanged(const double val)
1086 {
1087
1088         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1089         UPDATE_MIN_WIDTH(ui->label_ram);
1090 }
1091
1092 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1093 {
1094         int postfix = 0;
1095         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1096         double space = static_cast<double>(val);
1097
1098         while((space >= 1000.0) && (postfix < 5))
1099         {
1100                 space = space / 1024.0;
1101                 postfix++;
1102         }
1103
1104         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1105         UPDATE_MIN_WIDTH(ui->label_disk);
1106 }
1107
1108 bool ProcessingDialog::shutdownComputer(void)
1109 {
1110         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1111         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1112         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1113
1114         qWarning("Initiating shutdown sequence!");
1115
1116         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1117         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1118         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1119         progressDialog.setModal(true);
1120         progressDialog.setAutoClose(false);
1121         progressDialog.setAutoReset(false);
1122         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1123         progressDialog.setCancelButton(cancelButton);
1124         progressDialog.show();
1125
1126         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1127
1128         QApplication::setOverrideCursor(Qt::WaitCursor);
1129         PLAY_SOUND_OPTIONAL("shutdown", false);
1130         QApplication::restoreOverrideCursor();
1131
1132         QTimer timer;
1133         timer.setInterval(1000);
1134         timer.start();
1135
1136         QEventLoop eventLoop(this);
1137         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1138         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1139
1140         for(int i = 1; i <= iTimeout; i++)
1141         {
1142                 eventLoop.exec();
1143                 if(progressDialog.wasCanceled())
1144                 {
1145                         progressDialog.close();
1146                         return false;
1147                 }
1148                 progressDialog.setValue(i+1);
1149                 progressDialog.setLabelText(text.arg(iTimeout-i));
1150                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1151                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1152                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1153         }
1154
1155         progressDialog.close();
1156         return true;
1157 }
1158
1159 QString ProcessingDialog::time2text(const double timeVal) const
1160 {
1161         double intPart = 0;
1162         double frcPart = modf(timeVal, &intPart);
1163
1164         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1165
1166         QString a, b;
1167
1168         if(time.hour() > 0)
1169         {
1170                 a = tr("%n hour(s)", "", time.hour());
1171                 b = tr("%n minute(s)", "", time.minute());
1172         }
1173         else if(time.minute() > 0)
1174         {
1175                 a = tr("%n minute(s)", "", time.minute());
1176                 b = tr("%n second(s)", "", time.second());
1177         }
1178         else
1179         {
1180                 a = tr("%n second(s)", "", time.second());
1181                 b = tr("%n millisecond(s)", "", time.msec());
1182         }
1183
1184         return QString("%1, %2").arg(a, b);
1185 }
1186
1187 ////////////////////////////////////////////////////////////
1188 // HELPER FUNCTIONS
1189 ////////////////////////////////////////////////////////////
1190
1191 static int cores2instances(int cores)
1192 {
1193         //This function is a "cubic spline" with sampling points at:
1194         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1195         static const double LUT[8][5] =
1196         {
1197                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1198                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1199                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1200                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1201                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1202                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1203                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1204                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1205         };
1206
1207         double x = abs(static_cast<double>(cores)), y = 1.0;
1208
1209         for(size_t i = 0; i < 7; i++)
1210         {
1211                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1212                 {
1213                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1214                         break;
1215                 }
1216         }
1217
1218         return qRound(y);
1219 }