src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2023 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; always including the non-optional
   9 // LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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 "UIC_ProcessingDialog.h"
  27
  28 //Internal
  29 #include "Global.h"
  30 #include "Model_FileList.h"
  31 #include "Model_Progress.h"
  32 #include "Model_Settings.h"
  33 #include "Model_FileExts.h"
  34 #include "Thread_Process.h"
  35 #include "Thread_CPUObserver.h"
  36 #include "Thread_RAMObserver.h"
  37 #include "Thread_DiskObserver.h"
  38 #include "Dialog_LogView.h"
  39 #include "Registry_Decoder.h"
  40 #include "Registry_Encoder.h"
  41 #include "Filter_Downmix.h"
  42 #include "Filter_Normalize.h"
  43 #include "Filter_Resample.h"
  44 #include "Filter_ToneAdjust.h"
  45
  46 //MUtils
  47 #include <MUtils/Global.h>
  48 #include <MUtils/OSSupport.h>
  49 #include <MUtils/GUI.h>
  50 #include <MUtils/CPUFeatures.h>
  51 #include <MUtils/Sound.h>
  52 #include <MUtils/Taskbar7.h>
  53
  54 //Qt
  55 #include <QApplication>
  56 #include <QRect>
  57 #include <QDesktopWidget>
  58 #include <QMovie>
  59 #include <QMessageBox>
  60 #include <QTimer>
  61 #include <QCloseEvent>
  62 #include <QDesktopServices>
  63 #include <QUrl>
  64 #include <QUuid>
  65 #include <QFileInfo>
  66 #include <QDir>
  67 #include <QMenu>
  68 #include <QSystemTrayIcon>
  69 #include <QProcess>
  70 #include <QProgressDialog>
  71 #include <QResizeEvent>
  72 #include <QTime>
  73 #include <QElapsedTimer>
  74 #include <QThreadPool>
  75
  76 #include <math.h>
  77 #include <float.h>
  78 #include <stdint.h>
  79
  80 //Maximum number of parallel instances
  81 #define MAX_INSTANCES 64U
  82
  83 ////////////////////////////////////////////////////////////
  84
  85 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  86 { \
  87         QPalette palette = WIDGET->palette(); \
  88         palette.setColor(QPalette::Background, COLOR); \
  89         WIDGET->setPalette(palette); \
  90 } \
  91 while(0)
  92
  93 #define SET_PROGRESS_TEXT(TXT) do \
  94 { \
  95         ui->label_progress->setText(TXT); \
  96         if(!m_systemTray.isNull()) \
  97         { \
  98                 if(!m_systemTray->isVisible()) m_systemTray->setVisible(true); \
  99                 m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
 100         } \
 101 } \
 102 while(0)
 103
 104 #define SET_PROGRESS_MESG(TITLE, MESSAGE, TYPE, ICON) do \
 105 { \
 106         if (!m_systemTray.isNull()) \
 107         { \
 108                 m_systemTray->showMessage(TITLE, MESSAGE, TYPE); \
 109                 m_systemTray->setIcon(ICON); \
 110         } \
 111 } \
 112 while(0)
 113
 114 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 115 { \
 116         QFont _font = WIDGET->font(); \
 117         _font.setBold(BOLD); WIDGET->setFont(_font); \
 118 } \
 119 while(0)
 120
 121 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 122 { \
 123         QPalette _palette = WIDGET->palette(); \
 124         _palette.setColor(QPalette::WindowText, (COLOR)); \
 125         _palette.setColor(QPalette::Text, (COLOR)); \
 126         WIDGET->setPalette(_palette); \
 127 } \
 128 while(0)
 129
 130 #define UPDATE_MIN_WIDTH(WIDGET) do \
 131 { \
 132         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 133 } \
 134 while(0)
 135
 136 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 137 { \
 138         if(m_settings->soundsEnabled()) MUtils::Sound::play_sound((NAME), (ASYNC)); \
 139 } \
 140 while(0)
 141
 142 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 143
 144 ////////////////////////////////////////////////////////////
 145
 146 //Dummy class for UserData
 147 class IntUserData : public QObjectUserData
 148 {
 149 public:
 150         IntUserData(int value) : m_value(value) {/*NOP*/}
 151         int value(void) { return m_value; }
 152         void setValue(int value) { m_value = value; }
 153 private:
 154         int m_value;
 155 };
 156
 157 ////////////////////////////////////////////////////////////
 158 // Constructor
 159 ////////////////////////////////////////////////////////////
 160
 161 ProcessingDialog::ProcessingDialog(FileListModel *const fileListModel, const AudioFileModel_MetaInfo *const metaInfo, const SettingsModel *const settings, QWidget *const parent)
 162 :
 163         QDialog(parent),
 164         ui(new Ui::ProcessingDialog),
 165         m_systemTray((!settings->disableTrayIcon()) ? new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this) : NULL),
 166         m_taskbar(new MUtils::Taskbar7(this)),
 167         m_settings(settings),
 168         m_metaInfo(metaInfo),
 169         m_shutdownFlag(SHUTDOWN_FLAG_NONE),
 170         m_progressViewFilter(-1),
 171         m_initThreads(0),
 172         m_defaultColor(new QColor()),
 173         m_tempFolder(settings->customTempPathEnabled() ? settings->customTempPath() : MUtils::temp_folder()),
 174         m_firstShow(true)
 175 {
 176         //Init the dialog, from the .ui file
 177         ui->setupUi(this);
 178         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 179         setMinimumSize(this->size());
 180
 181         //Update the window icon
 182         MUtils::GUI::set_window_icon(this, lamexp_app_icon(), true);
 183
 184         //Update header icon
 185         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 186
 187         //Setup version info
 188         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 189         ui->label_versionInfo->installEventFilter(this);
 190
 191         //Register meta type
 192         qRegisterMetaType<QUuid>("QUuid");
 193
 194         //Adjust size to DPI settings and re-center
 195         MUtils::GUI::scale_widget(this);
 196
 197         //Enable buttons
 198         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 199
 200         //Init progress indicator
 201         m_progressIndicator.reset(new QMovie(":/images/Working.gif"));
 202         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 203         ui->label_headerWorking->setMovie(m_progressIndicator.data());
 204         ui->progressBar->setValue(0);
 205
 206         //Load overlay icons
 207         m_iconRunning.reset(new QIcon(":/icons/control_play_blue.png"));
 208         m_iconError.reset  (new QIcon(":/icons/error.png"));
 209         m_iconWarning.reset(new QIcon(":/icons/exclamation.png"));
 210         m_iconSuccess.reset(new QIcon(":/icons/accept.png"));
 211
 212         //Init progress model
 213         m_progressModel.reset(new ProgressModel());
 214         ui->view_log->setModel(m_progressModel.data());
 215         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 216         ui->view_log->verticalHeader()->hide();
 217         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 218         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 219         ui->view_log->viewport()->installEventFilter(this);
 220         connect(m_progressModel.data(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 221         connect(m_progressModel.data(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 222         connect(m_progressModel.data(), SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 223         connect(m_progressModel.data(), SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 224         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 225         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 226
 227         //Create context menu
 228         m_contextMenu.reset(new QMenu());
 229         QAction *contextMenuDetailsAction  = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 230         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 231         m_contextMenu->addSeparator();
 232
 233         //Create "filter" context menu
 234         m_progressViewFilterGroup.reset(new QActionGroup(this));
 235         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 236         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 237         {
 238                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 239                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 240                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 241                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 242                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 243                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 244                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 245                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 246                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 247                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 248         }
 249
 250         //Create info label
 251         m_filterInfoLabel.reset(new QLabel(ui->view_log));
 252         m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 253         m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 254         m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 255         SET_FONT_BOLD(m_filterInfoLabel, true);
 256         SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 257         m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 258         connect(m_filterInfoLabel.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 259         m_filterInfoLabel->hide();
 260
 261         m_filterInfoLabelIcon .reset(new QLabel(ui->view_log));
 262         m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 263         m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 264         m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 265         const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 266         m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 267         connect(m_filterInfoLabelIcon.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 268         m_filterInfoLabelIcon->hide();
 269
 270         //Connect context menu
 271         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 272         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 273         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 274         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 275         for(size_t i = 0; i < 5; i++)
 276         {
 277                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 278         }
 279         SET_FONT_BOLD(contextMenuDetailsAction, true);
 280
 281         //Setup file extensions
 282         if(!m_settings->renameFiles_fileExtension().isEmpty())
 283         {
 284                 m_fileExts.reset(new FileExtsModel());
 285                 m_fileExts->importItems(m_settings->renameFiles_fileExtension());
 286         }
 287
 288         //Enque jobs
 289         if(fileListModel)
 290         {
 291                 for(int i = 0; i < fileListModel->rowCount(); i++)
 292                 {
 293                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 294                 }
 295         }
 296
 297         //Translate
 298         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 299
 300         //Enable system tray icon, if enabled
 301         if (!m_systemTray.isNull())
 302         {
 303                 connect(m_systemTray.data(), SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 304         }
 305
 306         //Init other vars
 307         m_runningThreads = 0;
 308         m_currentFile = 0;
 309         m_allJobs.clear();
 310         m_succeededJobs.clear();
 311         m_failedJobs.clear();
 312         m_skippedJobs.clear();
 313         m_userAborted = false;
 314         m_forcedAbort = false;
 315 }
 316
 317 ////////////////////////////////////////////////////////////
 318 // Destructor
 319 ////////////////////////////////////////////////////////////
 320
 321 ProcessingDialog::~ProcessingDialog(void)
 322 {
 323         ui->view_log->setModel(NULL);
 324
 325         if(!m_progressIndicator.isNull())
 326         {
 327                 m_progressIndicator->stop();
 328         }
 329
 330         if(!m_diskObserver.isNull())
 331         {
 332                 m_diskObserver->stop();
 333                 if(!m_diskObserver->wait(15000))
 334                 {
 335                         m_diskObserver->terminate();
 336                         m_diskObserver->wait();
 337                 }
 338         }
 339
 340         if(!m_cpuObserver.isNull())
 341         {
 342                 m_cpuObserver->stop();
 343                 if(!m_cpuObserver->wait(15000))
 344                 {
 345                         m_cpuObserver->terminate();
 346                         m_cpuObserver->wait();
 347                 }
 348         }
 349
 350         if(!m_ramObserver.isNull())
 351         {
 352                 m_ramObserver->stop();
 353                 if(!m_ramObserver->wait(15000))
 354                 {
 355                         m_ramObserver->terminate();
 356                         m_ramObserver->wait();
 357                 }
 358         }
 359
 360         if(!m_threadPool.isNull())
 361         {
 362                 if(!m_threadPool->waitForDone(100))
 363                 {
 364                         emit abortRunningTasks();
 365                         m_threadPool->waitForDone();
 366                 }
 367         }
 368
 369         m_taskbar->setOverlayIcon(NULL);
 370         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
 371
 372         MUTILS_DELETE(ui);
 373 }
 374
 375 ////////////////////////////////////////////////////////////
 376 // EVENTS
 377 ////////////////////////////////////////////////////////////
 378
 379 void ProcessingDialog::showEvent(QShowEvent *event)
 380 {
 381         QDialog::showEvent(event);
 382
 383         if(m_firstShow)
 384         {
 385                 static const char *NA = " N/A";
 386
 387                 MUtils::GUI::enable_close_button(this, false);
 388                 ui->button_closeDialog->setEnabled(false);
 389                 ui->button_AbortProcess->setEnabled(false);
 390
 391                 ui->label_cpu->setText(NA);
 392                 ui->label_disk->setText(NA);
 393                 ui->label_ram->setText(NA);
 394
 395                 QTimer::singleShot(100, this, SLOT(prepareEncoding()));
 396                 m_firstShow = false;
 397         }
 398
 399         //Force update geometry
 400         resizeEvent(NULL);
 401 }
 402
 403 void ProcessingDialog::closeEvent(QCloseEvent *event)
 404 {
 405         if(!ui->button_closeDialog->isEnabled())
 406         {
 407                 event->ignore();
 408         }
 409         else
 410         {
 411                 if (!m_systemTray.isNull())
 412                 {
 413                         m_systemTray->setVisible(false);
 414                 }
 415         }
 416 }
 417
 418 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 419 {
 420         if(obj == ui->label_versionInfo)
 421         {
 422                 if(event->type() == QEvent::Enter)
 423                 {
 424                         QPalette palette = ui->label_versionInfo->palette();
 425                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 426                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 427                         ui->label_versionInfo->setPalette(palette);
 428                 }
 429                 else if(event->type() == QEvent::Leave)
 430                 {
 431                         QPalette palette = ui->label_versionInfo->palette();
 432                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 433                         ui->label_versionInfo->setPalette(palette);
 434                 }
 435                 else if(event->type() == QEvent::MouseButtonPress)
 436                 {
 437                         QUrl url(lamexp_website_url());
 438                         QDesktopServices::openUrl(url);
 439                 }
 440         }
 441
 442         return false;
 443 }
 444
 445 bool ProcessingDialog::event(QEvent *e)
 446 {
 447         switch(static_cast<qint32>(e->type()))
 448         {
 449         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 450                 qWarning("System is shutting down, preparing to abort...");
 451                 if(!m_userAborted) abortEncoding(true);
 452                 return true;
 453         case MUtils::GUI::USER_EVENT_ENDSESSION:
 454                 qWarning("System is shutting down, encoding will be aborted now...");
 455                 if(isVisible())
 456                 {
 457                         while(!close())
 458                         {
 459                                 if(!m_userAborted) abortEncoding(true);
 460                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 461                         }
 462                 }
 463                 m_pendingJobs.clear();
 464                 return true;
 465         default:
 466                 return QDialog::event(e);
 467         }
 468 }
 469
 470 /*
 471  * Window was resized
 472  */
 473 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 474 {
 475         if(event) QDialog::resizeEvent(event);
 476
 477         if(QWidget *port = ui->view_log->viewport())
 478         {
 479                 QRect geom = port->geometry();
 480                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 481                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 482         }
 483 }
 484
 485 ////////////////////////////////////////////////////////////
 486 // SLOTS
 487 ////////////////////////////////////////////////////////////
 488
 489 void ProcessingDialog::prepareEncoding(void)
 490 {
 491         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 492         QTimer::singleShot(100, this, SLOT(initEncoding()));
 493 }
 494
 495 void ProcessingDialog::initEncoding(void)
 496 {
 497         qDebug("Initializing encoding process...");
 498
 499         m_runningThreads = 0;
 500         m_currentFile = 0;
 501         m_allJobs.clear();
 502         m_succeededJobs.clear();
 503         m_failedJobs.clear();
 504         m_skippedJobs.clear();
 505         m_userAborted = m_forcedAbort = false;
 506         m_playList.clear();
 507         m_progressIndicator->start();
 508
 509         MUtils::OS::change_process_priority(1);
 510         DecoderRegistry::configureDecoders(m_settings);
 511
 512         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 513
 514         ui->button_closeDialog->setEnabled(false);
 515         ui->button_AbortProcess->setEnabled(true);
 516         ui->progressBar->setRange(0, m_pendingJobs.count());
 517         ui->checkBox_shutdownComputer->setEnabled(true);
 518         ui->checkBox_shutdownComputer->setChecked(false);
 519
 520         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 521         m_taskbar->setTaskbarProgress(0, m_pendingJobs.count());
 522         m_taskbar->setOverlayIcon(m_iconRunning.data());
 523
 524         if(!m_diskObserver)
 525         {
 526                 m_diskObserver.reset(new DiskObserverThread(m_tempFolder));
 527                 connect(m_diskObserver.data(), SIGNAL(messageLogged(QString,int)), m_progressModel.data(), SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 528                 connect(m_diskObserver.data(), SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 529                 m_diskObserver->start();
 530         }
 531         if(!m_cpuObserver)
 532         {
 533                 m_cpuObserver.reset(new CPUObserverThread());
 534                 connect(m_cpuObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 535                 m_cpuObserver->start();
 536         }
 537         if(!m_ramObserver)
 538         {
 539                 m_ramObserver.reset(new RAMObserverThread());
 540                 connect(m_ramObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 541                 m_ramObserver->start();
 542         }
 543
 544         if(m_threadPool.isNull())
 545         {
 546                 m_threadPool.reset(createThreadPool());
 547                 if (m_threadPool->maxThreadCount() > 1)
 548                 {
 549                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(m_threadPool->maxThreadCount())));
 550                 }
 551         }
 552
 553         m_initThreads = m_threadPool->maxThreadCount();
 554         QTimer::singleShot(100, this, SLOT(initNextJob()));
 555
 556         m_totalTime.reset(new QElapsedTimer());
 557         m_totalTime->start();
 558 }
 559
 560 void ProcessingDialog::initNextJob(void)
 561 {
 562         if((m_initThreads > 0) && (!m_userAborted))
 563         {
 564                 startNextJob();
 565                 if(--m_initThreads > 0)
 566                 {
 567                         QTimer::singleShot(50, this, SLOT(initNextJob()));
 568                 }
 569         }
 570 }
 571
 572 void ProcessingDialog::startNextJob(void)
 573 {
 574         if(m_pendingJobs.isEmpty())
 575         {
 576                 qWarning("No more files left, unable to start another job!");
 577                 return;
 578         }
 579
 580         m_currentFile++;
 581         m_runningThreads++;
 582
 583         //Fetch next file
 584         AudioFileModel currentFile = m_pendingJobs.takeFirst();
 585         updateMetaInfo(currentFile);
 586
 587         //Create encoder instance
 588         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings);
 589
 590         //Create processing thread
 591         QScopedPointer<ProcessThread> thread(new ProcessThread
 592         (
 593                 currentFile,
 594                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 595                 m_tempFolder,
 596                 encoder,
 597                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 598         ));
 599
 600         //Add audio filters
 601         if(m_settings->forceStereoDownmix())
 602         {
 603                 thread->addFilter(new DownmixFilter());
 604         }
 605         if(m_settings->samplingRate() > 0)
 606         {
 607                 const int targetRate = SettingsModel::samplingRates[qBound(1, m_settings->samplingRate(), 6)];
 608                 if((targetRate != static_cast<int>(currentFile.techInfo().audioSamplerate())) || (currentFile.techInfo().audioSamplerate() == 0))
 609                 {
 610                         if (encoder->toEncoderInfo()->isResamplingSupported())
 611                         {
 612                                 encoder->setSamplingRate(targetRate);
 613                         }
 614                         else
 615                         {
 616                                 thread->addFilter(new ResampleFilter(targetRate));
 617                         }
 618                 }
 619         }
 620         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 621         {
 622                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 623         }
 624         if(m_settings->normalizationFilterEnabled())
 625         {
 626                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterDynamic(), m_settings->normalizationFilterCoupled(), m_settings->normalizationFilterSize()));
 627         }
 628         if(m_settings->renameFiles_renameEnabled() && (!m_settings->renameFiles_renamePattern().simplified().isEmpty()))
 629         {
 630                 thread->setRenamePattern(m_settings->renameFiles_renamePattern());
 631         }
 632         if(m_settings->renameFiles_regExpEnabled() && (!m_settings->renameFiles_regExpSearch().trimmed().isEmpty()) && (!m_settings->renameFiles_regExpReplace().simplified().isEmpty()))
 633         {
 634                 thread->setRenameRegExp(m_settings->renameFiles_regExpSearch(), m_settings->renameFiles_regExpReplace());
 635         }
 636         if(!m_fileExts.isNull())
 637         {
 638                 thread->setRenameFileExt(m_fileExts->apply(QString::fromUtf8(EncoderRegistry::getEncoderInfo(m_settings->compressionEncoder())->extension())));
 639         }
 640         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 641         {
 642                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 643         }
 644         if (m_settings->keepOriginalDataTime())
 645         {
 646                 thread->setKeepDateTime(m_settings->keepOriginalDataTime());
 647         }
 648
 649         //Save job UUID
 650         m_allJobs.append(thread->getId());
 651
 652         //Connect thread signals
 653         connect(thread.data(), SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 654         connect(thread.data(), SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel.data(), SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 655         connect(thread.data(), SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel.data(), SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 656         connect(thread.data(), SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 657         connect(thread.data(), SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel.data(), SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 658         connect(this, SIGNAL(abortRunningTasks()), thread.data(), SLOT(abort()), Qt::DirectConnection);
 659
 660         //Initialize thread object
 661         if(!thread->init())
 662         {
 663                 qFatal("Fatal Error: Thread initialization has failed!");
 664         }
 665
 666         //Give it a go!
 667         if(!thread->start(m_threadPool.data()))
 668         {
 669                 qWarning("Job failed to start or the file was skipped!");
 670                 return;
 671         }
 672
 673         thread.take(); //will be auto-deleted by QThreadPool!
 674 }
 675
 676 void ProcessingDialog::abortEncoding(bool force)
 677 {
 678         m_userAborted = true;
 679         if(force) m_forcedAbort = true;
 680         ui->button_AbortProcess->setEnabled(false);
 681         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 682         emit abortRunningTasks();
 683 }
 684
 685 void ProcessingDialog::doneEncoding(void)
 686 {
 687         m_runningThreads--;
 688         ui->progressBar->setValue(ui->progressBar->value() + 1);
 689
 690         if(!m_userAborted)
 691         {
 692                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 693                 m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 694         }
 695
 696         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 697         {
 698                 QTimer::singleShot(25, this, SLOT(startNextJob()));
 699                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 700                 return;
 701         }
 702
 703         if(m_runningThreads > 0)
 704         {
 705                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 706                 return;
 707         }
 708
 709         QApplication::setOverrideCursor(Qt::WaitCursor);
 710         qDebug("Running jobs: %u", m_runningThreads);
 711
 712         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 713         {
 714                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 715                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 716                 writePlayList();
 717         }
 718
 719         if(m_userAborted)
 720         {
 721                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 722                 m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 723                 m_taskbar->setOverlayIcon(m_iconError.data());
 724                 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!"));
 725                 SET_PROGRESS_MESG(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning, QIcon(":/icons/cd_delete.png"));
 726                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 727                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 728         }
 729         else
 730         {
 731                 if((!m_totalTime.isNull()) && m_totalTime->isValid())
 732                 {
 733                         m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(m_totalTime->elapsed())), ProgressModel::SysMsg_Performance);
 734                         m_totalTime->invalidate();
 735                 }
 736
 737                 if(m_failedJobs.count() > 0)
 738                 {
 739                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 740                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 741                         m_taskbar->setOverlayIcon(m_iconWarning.data());
 742                         if(m_skippedJobs.count() > 0)
 743                         {
 744                                 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())));
 745                         }
 746                         else
 747                         {
 748                                 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())));
 749                         }
 750                         SET_PROGRESS_MESG(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical, QIcon(":/icons/cd_delete.png"));
 751                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 752                         PLAY_SOUND_OPTIONAL("error", false);
 753                 }
 754                 else
 755                 {
 756                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 757                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 758                         m_taskbar->setOverlayIcon(m_iconSuccess.data());
 759                         if(m_skippedJobs.count() > 0)
 760                         {
 761                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 762                         }
 763                         else
 764                         {
 765                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 766                         }
 767                         SET_PROGRESS_MESG(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information, QIcon(":/icons/cd_add.png"));
 768                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 769                         PLAY_SOUND_OPTIONAL("success", false);
 770                 }
 771         }
 772
 773         MUtils::GUI::enable_close_button(this, true);
 774         ui->button_closeDialog->setEnabled(true);
 775         ui->button_AbortProcess->setEnabled(false);
 776         ui->checkBox_shutdownComputer->setEnabled(false);
 777
 778         m_progressModel->restoreHiddenItems();
 779         ui->view_log->scrollToBottom();
 780         m_progressIndicator->stop();
 781         ui->progressBar->setValue(ui->progressBar->maximum());
 782         m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 783
 784         QApplication::restoreOverrideCursor();
 785
 786         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 787         {
 788                 if(shutdownComputer())
 789                 {
 790                         m_shutdownFlag = m_settings->hibernateComputer() ? SHUTDOWN_FLAG_HIBERNATE : SHUTDOWN_FLAG_POWER_OFF;
 791                         accept();
 792                 }
 793         }
 794 }
 795
 796 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 797 {
 798         if(success > 0)
 799         {
 800                 m_playList.insert(jobId, outFileName);
 801                 m_succeededJobs.append(jobId);
 802         }
 803         else if(success < 0)
 804         {
 805                 m_playList.insert(jobId, outFileName);
 806                 m_skippedJobs.append(jobId);
 807         }
 808         else
 809         {
 810                 m_failedJobs.append(jobId);
 811         }
 812
 813         //Update filter as soon as a job finished!
 814         if(m_progressViewFilter >= 0)
 815         {
 816                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 817         }
 818 }
 819
 820 void ProcessingDialog::progressModelChanged(void)
 821 {
 822         //Update filter as soon as the model changes!
 823         if(m_progressViewFilter >= 0)
 824         {
 825                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 826         }
 827
 828         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 829 }
 830
 831 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 832 {
 833         if(m_runningThreads == 0)
 834         {
 835                 const QStringList &logFile = m_progressModel->getLogFile(index);
 836
 837                 if(!logFile.isEmpty())
 838                 {
 839                         LogViewDialog *logView = new LogViewDialog(this);
 840                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 841                         logView->exec(logFile);
 842                         MUTILS_DELETE(logView);
 843                 }
 844                 else
 845                 {
 846                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 847                 }
 848         }
 849         else
 850         {
 851                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 852         }
 853 }
 854
 855 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int /*oldSize*/, int /*newSize*/)
 856 {
 857         if(logicalIndex == 1)
 858         {
 859                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 860                 {
 861                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 862                 }
 863         }
 864 }
 865
 866 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 867 {
 868         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 869         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 870
 871         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 872         {
 873                 m_contextMenu->popup(sender->mapToGlobal(pos));
 874         }
 875 }
 876
 877 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 878 {
 879         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 880         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 881 }
 882
 883 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 884 {
 885         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 886         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 887         QString filePath = m_playList.value(jobId, QString());
 888
 889         if(filePath.isEmpty())
 890         {
 891                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 892                 return;
 893         }
 894
 895         if(QFileInfo(filePath).exists())
 896         {
 897                 const QString systemRootPath = MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSROOT);
 898                 if(!systemRootPath.isEmpty())
 899                 {
 900                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 901                         if(explorer.exists() && explorer.isFile())
 902                         {
 903                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 904                                 return;
 905                         }
 906                 }
 907                 else
 908                 {
 909                         qWarning("SystemRoot directory could not be detected!");
 910                 }
 911         }
 912         else
 913         {
 914                 qWarning("File not found: %s", filePath.toLatin1().constData());
 915                 MUtils::Sound::beep(MUtils::Sound::BEEP_ERR);
 916         }
 917 }
 918
 919 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 920 {
 921         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 922         {
 923                 if(action->data().type() == QVariant::Int)
 924                 {
 925                         m_progressViewFilter = action->data().toInt();
 926                         progressViewFilterChanged();
 927                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 928                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 929                         action->setChecked(true);
 930                 }
 931         }
 932 }
 933
 934 /*
 935  * Filter progress items
 936  */
 937 void ProcessingDialog::progressViewFilterChanged(void)
 938 {
 939         bool matchFound = false;
 940
 941         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 942         {
 943                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 944                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 945                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 946         }
 947
 948         if((m_progressViewFilter >= 0) && (!matchFound))
 949         {
 950                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 951                 {
 952                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 953                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 954                         m_filterInfoLabel->show();
 955                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 956                         m_filterInfoLabelIcon->show();
 957                         resizeEvent(NULL);
 958                 }
 959         }
 960         else if(!m_filterInfoLabel->isHidden())
 961         {
 962                 m_filterInfoLabel->hide();
 963                 m_filterInfoLabelIcon->hide();
 964         }
 965 }
 966
 967 ////////////////////////////////////////////////////////////
 968 // Private Functions
 969 ////////////////////////////////////////////////////////////
 970
 971 QThreadPool *ProcessingDialog::createThreadPool(void)
 972 {
 973         quint32 maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 974         if (maximumInstances < 1U)
 975         {
 976                 const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect();
 977                 const quint32 nProcessors = qBound(1U, cpuFeatures.count, MAX_INSTANCES);
 978                 maximumInstances = isFastSeekingDevice(m_tempFolder) ? nProcessors : cores2instances(nProcessors);
 979         }
 980         QThreadPool *const threadPool = new QThreadPool();
 981         threadPool->setMaxThreadCount(qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count())));
 982         return threadPool;
 983 }
 984
 985 void ProcessingDialog::writePlayList(void)
 986 {
 987         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 988         {
 989                 qWarning("WritePlayList: Nothing to do!");
 990                 return;
 991         }
 992
 993         //Init local variables
 994         QStringList list;
 995         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 996         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 997         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 998         bool usePrefix[3] = {true, true, true};
 999         bool useUtf8 = false;
1000         int counter = 1;
1001
1002         //Generate playlist name
1003         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
1004         if(!m_metaInfo->artist().isEmpty())
1005         {
1006                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
1007         }
1008
1009         //Clean playlist name
1010         playListName = MUtils::clean_file_name(playListName, true);
1011
1012         //Create list of audio files
1013         for(int i = 0; i < m_allJobs.count(); i++)
1014         {
1015                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
1016                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
1017         }
1018
1019         //Use prefix?
1020         for(int i = 0; i < list.count(); i++)
1021         {
1022                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1023                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1024                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1025         }
1026         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1027         {
1028                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1029         }
1030
1031         //Do we need an UTF-8 playlist?
1032         for(int i = 0; i < list.count(); i++)
1033         {
1034                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1035                 {
1036                         useUtf8 = true;
1037                         break;
1038                 }
1039         }
1040
1041         //Generate playlist output file
1042         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1043         while(QFileInfo(playListFile).exists())
1044         {
1045                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1046         }
1047
1048         //Now write playlist to output file
1049         QFile playList(playListFile);
1050         if(playList.open(QIODevice::WriteOnly))
1051         {
1052                 if(useUtf8)
1053                 {
1054                         playList.write("\xef\xbb\xbf");
1055                 }
1056                 playList.write("#EXTM3U\r\n");
1057                 while(!list.isEmpty())
1058                 {
1059                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1060                         playList.write("\r\n");
1061                 }
1062                 playList.close();
1063         }
1064         else
1065         {
1066                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1067         }
1068 }
1069
1070 void ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1071 {
1072         if(!m_settings->writeMetaTags())
1073         {
1074                 audioFile.metaInfo().reset();
1075                 return;
1076         }
1077
1078         audioFile.metaInfo().update(*m_metaInfo, true);
1079
1080         if(audioFile.metaInfo().position() == UINT_MAX)
1081         {
1082                 audioFile.metaInfo().setPosition(m_currentFile);
1083         }
1084 }
1085
1086 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1087 {
1088         if(reason == QSystemTrayIcon::DoubleClick)
1089         {
1090                 MUtils::GUI::bring_to_front(this);
1091         }
1092 }
1093
1094 void ProcessingDialog::cpuUsageHasChanged(const double val)
1095 {
1096
1097         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1098         UPDATE_MIN_WIDTH(ui->label_cpu);
1099 }
1100
1101 void ProcessingDialog::ramUsageHasChanged(const double val)
1102 {
1103
1104         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1105         UPDATE_MIN_WIDTH(ui->label_ram);
1106 }
1107
1108 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1109 {
1110         int postfix = 0;
1111         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1112         double space = static_cast<double>(val);
1113
1114         while((space >= 1000.0) && (postfix < 5))
1115         {
1116                 space = space / 1024.0;
1117                 postfix++;
1118         }
1119
1120         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1121         UPDATE_MIN_WIDTH(ui->label_disk);
1122 }
1123
1124 bool ProcessingDialog::shutdownComputer(void)
1125 {
1126         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1127         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1128         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1129
1130         qWarning("Initiating shutdown sequence!");
1131
1132         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1133         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1134         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1135         progressDialog.setModal(true);
1136         progressDialog.setAutoClose(false);
1137         progressDialog.setAutoReset(false);
1138         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1139         progressDialog.setCancelButton(cancelButton);
1140         progressDialog.show();
1141
1142         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1143
1144         QApplication::setOverrideCursor(Qt::WaitCursor);
1145         PLAY_SOUND_OPTIONAL("shutdown", false);
1146         QApplication::restoreOverrideCursor();
1147
1148         QTimer timer;
1149         timer.setInterval(1000);
1150         timer.start();
1151
1152         QEventLoop eventLoop(this);
1153         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1154         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1155
1156         for(int i = 1; i <= iTimeout; i++)
1157         {
1158                 eventLoop.exec();
1159                 if(progressDialog.wasCanceled())
1160                 {
1161                         progressDialog.close();
1162                         return false;
1163                 }
1164                 progressDialog.setValue(i+1);
1165                 progressDialog.setLabelText(text.arg(iTimeout-i));
1166                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1167                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1168                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1169         }
1170
1171         progressDialog.close();
1172         return true;
1173 }
1174
1175 ////////////////////////////////////////////////////////////
1176 // HELPER FUNCTIONS
1177 ////////////////////////////////////////////////////////////
1178
1179 bool ProcessingDialog::isFastSeekingDevice(const QString &path)
1180 {
1181         bool haveFastSeeking;
1182         if (MUtils::OS::get_drive_type(path, &haveFastSeeking) != MUtils::OS::DRIVE_TYPE_ERR)
1183         {
1184                 return haveFastSeeking;
1185         }
1186         return false;
1187 }
1188
1189 quint32 ProcessingDialog::cores2instances(const quint32 &cores)
1190 {
1191         //This function is a "cubic spline" with sampling points at:
1192         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1193         static const double LUT[8][5] =
1194         {
1195                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1196                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1197                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1198                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1199                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1200                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1201                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1202                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1203         };
1204
1205         double x = abs(static_cast<double>(cores)), y = 1.0;
1206
1207         for(size_t i = 0; i < 7; i++)
1208         {
1209                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1210                 {
1211                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1212                         break;
1213                 }
1214         }
1215
1216         return static_cast<quint32>(qRound(y));
1217 }
1218
1219 QString ProcessingDialog::time2text(const qint64 &msec)
1220 {
1221         const qint64 MILLISECONDS_PER_DAY = 86399999;   //24x60x60x1000 - 1
1222         const QTime time = QTime().addMSecs(qMin(msec, MILLISECONDS_PER_DAY));
1223
1224         QString a, b;
1225
1226         if (time.hour() > 0)
1227         {
1228                 a = tr("%n hour(s)", "", time.hour());
1229                 b = tr("%n minute(s)", "", time.minute());
1230         }
1231         else if (time.minute() > 0)
1232         {
1233                 a = tr("%n minute(s)", "", time.minute());
1234                 b = tr("%n second(s)", "", time.second());
1235         }
1236         else
1237         {
1238                 a = tr("%n second(s)", "", time.second());
1239                 b = tr("%n millisecond(s)", "", time.msec());
1240         }
1241
1242         return QString("%1, %2").arg(a, b);
1243 }