src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2022 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_FONT_BOLD(WIDGET,BOLD) do \
 105 { \
 106         QFont _font = WIDGET->font(); \
 107         _font.setBold(BOLD); WIDGET->setFont(_font); \
 108 } \
 109 while(0)
 110
 111 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 112 { \
 113         QPalette _palette = WIDGET->palette(); \
 114         _palette.setColor(QPalette::WindowText, (COLOR)); \
 115         _palette.setColor(QPalette::Text, (COLOR)); \
 116         WIDGET->setPalette(_palette); \
 117 } \
 118 while(0)
 119
 120 #define UPDATE_MIN_WIDTH(WIDGET) do \
 121 { \
 122         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 123 } \
 124 while(0)
 125
 126 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 127 { \
 128         if(m_settings->soundsEnabled()) MUtils::Sound::play_sound((NAME), (ASYNC)); \
 129 } \
 130 while(0)
 131
 132 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 133
 134 ////////////////////////////////////////////////////////////
 135
 136 //Dummy class for UserData
 137 class IntUserData : public QObjectUserData
 138 {
 139 public:
 140         IntUserData(int value) : m_value(value) {/*NOP*/}
 141         int value(void) { return m_value; }
 142         void setValue(int value) { m_value = value; }
 143 private:
 144         int m_value;
 145 };
 146
 147 ////////////////////////////////////////////////////////////
 148 // Constructor
 149 ////////////////////////////////////////////////////////////
 150
 151 ProcessingDialog::ProcessingDialog(FileListModel *const fileListModel, const AudioFileModel_MetaInfo *const metaInfo, const SettingsModel *const settings, QWidget *const parent)
 152 :
 153         QDialog(parent),
 154         ui(new Ui::ProcessingDialog),
 155         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 156         m_taskbar(new MUtils::Taskbar7(this)),
 157         m_settings(settings),
 158         m_metaInfo(metaInfo),
 159         m_shutdownFlag(SHUTDOWN_FLAG_NONE),
 160         m_progressViewFilter(-1),
 161         m_initThreads(0),
 162         m_defaultColor(new QColor()),
 163         m_tempFolder(settings->customTempPathEnabled() ? settings->customTempPath() : MUtils::temp_folder()),
 164         m_firstShow(true)
 165 {
 166         //Init the dialog, from the .ui file
 167         ui->setupUi(this);
 168         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 169         setMinimumSize(this->size());
 170
 171         //Update the window icon
 172         MUtils::GUI::set_window_icon(this, lamexp_app_icon(), true);
 173
 174         //Update header icon
 175         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 176
 177         //Setup version info
 178         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 179         ui->label_versionInfo->installEventFilter(this);
 180
 181         //Register meta type
 182         qRegisterMetaType<QUuid>("QUuid");
 183
 184         //Adjust size to DPI settings and re-center
 185         MUtils::GUI::scale_widget(this);
 186
 187         //Enable buttons
 188         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 189
 190         //Init progress indicator
 191         m_progressIndicator.reset(new QMovie(":/images/Working.gif"));
 192         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 193         ui->label_headerWorking->setMovie(m_progressIndicator.data());
 194         ui->progressBar->setValue(0);
 195
 196         //Load overlay icons
 197         m_iconRunning.reset(new QIcon(":/icons/control_play_blue.png"));
 198         m_iconError.reset  (new QIcon(":/icons/error.png"));
 199         m_iconWarning.reset(new QIcon(":/icons/exclamation.png"));
 200         m_iconSuccess.reset(new QIcon(":/icons/accept.png"));
 201
 202         //Init progress model
 203         m_progressModel.reset(new ProgressModel());
 204         ui->view_log->setModel(m_progressModel.data());
 205         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 206         ui->view_log->verticalHeader()->hide();
 207         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 208         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 209         ui->view_log->viewport()->installEventFilter(this);
 210         connect(m_progressModel.data(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 211         connect(m_progressModel.data(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 212         connect(m_progressModel.data(), SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 213         connect(m_progressModel.data(), SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 214         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 215         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 216
 217         //Create context menu
 218         m_contextMenu.reset(new QMenu());
 219         QAction *contextMenuDetailsAction  = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 220         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 221         m_contextMenu->addSeparator();
 222
 223         //Create "filter" context menu
 224         m_progressViewFilterGroup.reset(new QActionGroup(this));
 225         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 226         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 227         {
 228                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 229                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 230                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 231                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 232                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 233                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 234                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 235                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 236                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 237                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 238         }
 239
 240         //Create info label
 241         m_filterInfoLabel.reset(new QLabel(ui->view_log));
 242         m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 243         m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 244         m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 245         SET_FONT_BOLD(m_filterInfoLabel, true);
 246         SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 247         m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 248         connect(m_filterInfoLabel.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 249         m_filterInfoLabel->hide();
 250
 251         m_filterInfoLabelIcon .reset(new QLabel(ui->view_log));
 252         m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 253         m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 254         m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 255         const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 256         m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 257         connect(m_filterInfoLabelIcon.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 258         m_filterInfoLabelIcon->hide();
 259
 260         //Connect context menu
 261         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 262         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 263         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 264         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 265         for(size_t i = 0; i < 5; i++)
 266         {
 267                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 268         }
 269         SET_FONT_BOLD(contextMenuDetailsAction, true);
 270
 271         //Setup file extensions
 272         if(!m_settings->renameFiles_fileExtension().isEmpty())
 273         {
 274                 m_fileExts.reset(new FileExtsModel());
 275                 m_fileExts->importItems(m_settings->renameFiles_fileExtension());
 276         }
 277
 278         //Enque jobs
 279         if(fileListModel)
 280         {
 281                 for(int i = 0; i < fileListModel->rowCount(); i++)
 282                 {
 283                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 284                 }
 285         }
 286
 287         //Translate
 288         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 289
 290         //Enable system tray icon
 291         connect(m_systemTray.data(), SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 292
 293         //Init other vars
 294         m_runningThreads = 0;
 295         m_currentFile = 0;
 296         m_allJobs.clear();
 297         m_succeededJobs.clear();
 298         m_failedJobs.clear();
 299         m_skippedJobs.clear();
 300         m_userAborted = false;
 301         m_forcedAbort = false;
 302 }
 303
 304 ////////////////////////////////////////////////////////////
 305 // Destructor
 306 ////////////////////////////////////////////////////////////
 307
 308 ProcessingDialog::~ProcessingDialog(void)
 309 {
 310         ui->view_log->setModel(NULL);
 311
 312         if(!m_progressIndicator.isNull())
 313         {
 314                 m_progressIndicator->stop();
 315         }
 316
 317         if(!m_diskObserver.isNull())
 318         {
 319                 m_diskObserver->stop();
 320                 if(!m_diskObserver->wait(15000))
 321                 {
 322                         m_diskObserver->terminate();
 323                         m_diskObserver->wait();
 324                 }
 325         }
 326
 327         if(!m_cpuObserver.isNull())
 328         {
 329                 m_cpuObserver->stop();
 330                 if(!m_cpuObserver->wait(15000))
 331                 {
 332                         m_cpuObserver->terminate();
 333                         m_cpuObserver->wait();
 334                 }
 335         }
 336
 337         if(!m_ramObserver.isNull())
 338         {
 339                 m_ramObserver->stop();
 340                 if(!m_ramObserver->wait(15000))
 341                 {
 342                         m_ramObserver->terminate();
 343                         m_ramObserver->wait();
 344                 }
 345         }
 346
 347         if(!m_threadPool.isNull())
 348         {
 349                 if(!m_threadPool->waitForDone(100))
 350                 {
 351                         emit abortRunningTasks();
 352                         m_threadPool->waitForDone();
 353                 }
 354         }
 355
 356         m_taskbar->setOverlayIcon(NULL);
 357         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
 358
 359         MUTILS_DELETE(ui);
 360 }
 361
 362 ////////////////////////////////////////////////////////////
 363 // EVENTS
 364 ////////////////////////////////////////////////////////////
 365
 366 void ProcessingDialog::showEvent(QShowEvent *event)
 367 {
 368         QDialog::showEvent(event);
 369
 370         if(m_firstShow)
 371         {
 372                 static const char *NA = " N/A";
 373
 374                 MUtils::GUI::enable_close_button(this, false);
 375                 ui->button_closeDialog->setEnabled(false);
 376                 ui->button_AbortProcess->setEnabled(false);
 377
 378                 MUtils::OS::change_process_priority(1);
 379
 380                 ui->label_cpu->setText(NA);
 381                 ui->label_disk->setText(NA);
 382                 ui->label_ram->setText(NA);
 383
 384                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 385                 m_firstShow = false;
 386         }
 387
 388         //Force update geometry
 389         resizeEvent(NULL);
 390 }
 391
 392 void ProcessingDialog::closeEvent(QCloseEvent *event)
 393 {
 394         if(!ui->button_closeDialog->isEnabled())
 395         {
 396                 event->ignore();
 397         }
 398         else
 399         {
 400                 m_systemTray->setVisible(false);
 401         }
 402 }
 403
 404 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 405 {
 406         if(obj == ui->label_versionInfo)
 407         {
 408                 if(event->type() == QEvent::Enter)
 409                 {
 410                         QPalette palette = ui->label_versionInfo->palette();
 411                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 412                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 413                         ui->label_versionInfo->setPalette(palette);
 414                 }
 415                 else if(event->type() == QEvent::Leave)
 416                 {
 417                         QPalette palette = ui->label_versionInfo->palette();
 418                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 419                         ui->label_versionInfo->setPalette(palette);
 420                 }
 421                 else if(event->type() == QEvent::MouseButtonPress)
 422                 {
 423                         QUrl url(lamexp_website_url());
 424                         QDesktopServices::openUrl(url);
 425                 }
 426         }
 427
 428         return false;
 429 }
 430
 431 bool ProcessingDialog::event(QEvent *e)
 432 {
 433         switch(static_cast<qint32>(e->type()))
 434         {
 435         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 436                 qWarning("System is shutting down, preparing to abort...");
 437                 if(!m_userAborted) abortEncoding(true);
 438                 return true;
 439         case MUtils::GUI::USER_EVENT_ENDSESSION:
 440                 qWarning("System is shutting down, encoding will be aborted now...");
 441                 if(isVisible())
 442                 {
 443                         while(!close())
 444                         {
 445                                 if(!m_userAborted) abortEncoding(true);
 446                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 447                         }
 448                 }
 449                 m_pendingJobs.clear();
 450                 return true;
 451         default:
 452                 return QDialog::event(e);
 453         }
 454 }
 455
 456 /*
 457  * Window was resized
 458  */
 459 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 460 {
 461         if(event) QDialog::resizeEvent(event);
 462
 463         if(QWidget *port = ui->view_log->viewport())
 464         {
 465                 QRect geom = port->geometry();
 466                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 467                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 468         }
 469 }
 470
 471 ////////////////////////////////////////////////////////////
 472 // SLOTS
 473 ////////////////////////////////////////////////////////////
 474
 475 void ProcessingDialog::initEncoding(void)
 476 {
 477         qDebug("Initializing encoding process...");
 478
 479         m_runningThreads = 0;
 480         m_currentFile = 0;
 481         m_allJobs.clear();
 482         m_succeededJobs.clear();
 483         m_failedJobs.clear();
 484         m_skippedJobs.clear();
 485         m_userAborted = m_forcedAbort = false;
 486         m_playList.clear();
 487         m_progressIndicator->start();
 488
 489         DecoderRegistry::configureDecoders(m_settings);
 490
 491         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 492         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 493
 494         ui->button_closeDialog->setEnabled(false);
 495         ui->button_AbortProcess->setEnabled(true);
 496         ui->progressBar->setRange(0, m_pendingJobs.count());
 497         ui->checkBox_shutdownComputer->setEnabled(true);
 498         ui->checkBox_shutdownComputer->setChecked(false);
 499
 500         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 501         m_taskbar->setTaskbarProgress(0, m_pendingJobs.count());
 502         m_taskbar->setOverlayIcon(m_iconRunning.data());
 503
 504         if(!m_diskObserver)
 505         {
 506                 m_diskObserver.reset(new DiskObserverThread(m_tempFolder));
 507                 connect(m_diskObserver.data(), SIGNAL(messageLogged(QString,int)), m_progressModel.data(), SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 508                 connect(m_diskObserver.data(), SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 509                 m_diskObserver->start();
 510         }
 511         if(!m_cpuObserver)
 512         {
 513                 m_cpuObserver.reset(new CPUObserverThread());
 514                 connect(m_cpuObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 515                 m_cpuObserver->start();
 516         }
 517         if(!m_ramObserver)
 518         {
 519                 m_ramObserver.reset(new RAMObserverThread());
 520                 connect(m_ramObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 521                 m_ramObserver->start();
 522         }
 523
 524         if(m_threadPool.isNull())
 525         {
 526                 m_threadPool.reset(createThreadPool());
 527                 if (m_threadPool->maxThreadCount() > 1)
 528                 {
 529                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(m_threadPool->maxThreadCount())));
 530                 }
 531         }
 532
 533         m_initThreads = m_threadPool->maxThreadCount();
 534         QTimer::singleShot(100, this, SLOT(initNextJob()));
 535
 536         m_totalTime.reset(new QElapsedTimer());
 537         m_totalTime->start();
 538 }
 539
 540 void ProcessingDialog::initNextJob(void)
 541 {
 542         if((m_initThreads > 0) && (!m_userAborted))
 543         {
 544                 startNextJob();
 545                 if(--m_initThreads > 0)
 546                 {
 547                         QTimer::singleShot(32, this, SLOT(initNextJob()));
 548                 }
 549         }
 550 }
 551
 552 void ProcessingDialog::startNextJob(void)
 553 {
 554         if(m_pendingJobs.isEmpty())
 555         {
 556                 qWarning("No more files left, unable to start another job!");
 557                 return;
 558         }
 559
 560         m_currentFile++;
 561         m_runningThreads++;
 562
 563         //Fetch next file
 564         AudioFileModel currentFile = m_pendingJobs.takeFirst();
 565         updateMetaInfo(currentFile);
 566
 567         //Create encoder instance
 568         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings);
 569
 570         //Create processing thread
 571         QScopedPointer<ProcessThread> thread(new ProcessThread
 572         (
 573                 currentFile,
 574                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 575                 m_tempFolder,
 576                 encoder,
 577                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 578         ));
 579
 580         //Add audio filters
 581         if(m_settings->forceStereoDownmix())
 582         {
 583                 thread->addFilter(new DownmixFilter());
 584         }
 585         if(m_settings->samplingRate() > 0)
 586         {
 587                 const int targetRate = SettingsModel::samplingRates[qBound(1, m_settings->samplingRate(), 6)];
 588                 if((targetRate != static_cast<int>(currentFile.techInfo().audioSamplerate())) || (currentFile.techInfo().audioSamplerate() == 0))
 589                 {
 590                         if (encoder->toEncoderInfo()->isResamplingSupported())
 591                         {
 592                                 encoder->setSamplingRate(targetRate);
 593                         }
 594                         else
 595                         {
 596                                 thread->addFilter(new ResampleFilter(targetRate));
 597                         }
 598                 }
 599         }
 600         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 601         {
 602                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 603         }
 604         if(m_settings->normalizationFilterEnabled())
 605         {
 606                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterDynamic(), m_settings->normalizationFilterCoupled(), m_settings->normalizationFilterSize()));
 607         }
 608         if(m_settings->renameFiles_renameEnabled() && (!m_settings->renameFiles_renamePattern().simplified().isEmpty()))
 609         {
 610                 thread->setRenamePattern(m_settings->renameFiles_renamePattern());
 611         }
 612         if(m_settings->renameFiles_regExpEnabled() && (!m_settings->renameFiles_regExpSearch().trimmed().isEmpty()) && (!m_settings->renameFiles_regExpReplace().simplified().isEmpty()))
 613         {
 614                 thread->setRenameRegExp(m_settings->renameFiles_regExpSearch(), m_settings->renameFiles_regExpReplace());
 615         }
 616         if(!m_fileExts.isNull())
 617         {
 618                 thread->setRenameFileExt(m_fileExts->apply(QString::fromUtf8(EncoderRegistry::getEncoderInfo(m_settings->compressionEncoder())->extension())));
 619         }
 620         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 621         {
 622                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 623         }
 624         if (m_settings->keepOriginalDataTime())
 625         {
 626                 thread->setKeepDateTime(m_settings->keepOriginalDataTime());
 627         }
 628
 629         //Save job UUID
 630         m_allJobs.append(thread->getId());
 631
 632         //Connect thread signals
 633         connect(thread.data(), SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 634         connect(thread.data(), SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel.data(), SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 635         connect(thread.data(), SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel.data(), SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 636         connect(thread.data(), SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 637         connect(thread.data(), SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel.data(), SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 638         connect(this, SIGNAL(abortRunningTasks()), thread.data(), SLOT(abort()), Qt::DirectConnection);
 639
 640         //Initialize thread object
 641         if(!thread->init())
 642         {
 643                 qFatal("Fatal Error: Thread initialization has failed!");
 644         }
 645
 646         //Give it a go!
 647         if(!thread->start(m_threadPool.data()))
 648         {
 649                 qWarning("Job failed to start or the file was skipped!");
 650                 return;
 651         }
 652
 653         thread.take(); //will be auto-deleted by QThreadPool!
 654 }
 655
 656 void ProcessingDialog::abortEncoding(bool force)
 657 {
 658         m_userAborted = true;
 659         if(force) m_forcedAbort = true;
 660         ui->button_AbortProcess->setEnabled(false);
 661         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 662         emit abortRunningTasks();
 663 }
 664
 665 void ProcessingDialog::doneEncoding(void)
 666 {
 667         m_runningThreads--;
 668         ui->progressBar->setValue(ui->progressBar->value() + 1);
 669
 670         if(!m_userAborted)
 671         {
 672                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 673                 m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 674         }
 675
 676         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 677         {
 678                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 679                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 680                 return;
 681         }
 682
 683         if(m_runningThreads > 0)
 684         {
 685                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 686                 return;
 687         }
 688
 689         QApplication::setOverrideCursor(Qt::WaitCursor);
 690         qDebug("Running jobs: %u", m_runningThreads);
 691
 692         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 693         {
 694                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 695                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 696                 writePlayList();
 697         }
 698
 699         if(m_userAborted)
 700         {
 701                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 702                 m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 703                 m_taskbar->setOverlayIcon(m_iconError.data());
 704                 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!"));
 705                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 706                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 707                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 708                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 709         }
 710         else
 711         {
 712                 if((!m_totalTime.isNull()) && m_totalTime->isValid())
 713                 {
 714                         m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(m_totalTime->elapsed())), ProgressModel::SysMsg_Performance);
 715                         m_totalTime->invalidate();
 716                 }
 717
 718                 if(m_failedJobs.count() > 0)
 719                 {
 720                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 721                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 722                         m_taskbar->setOverlayIcon(m_iconWarning.data());
 723                         if(m_skippedJobs.count() > 0)
 724                         {
 725                                 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())));
 726                         }
 727                         else
 728                         {
 729                                 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())));
 730                         }
 731                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 732                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 733                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 734                         PLAY_SOUND_OPTIONAL("error", false);
 735                 }
 736                 else
 737                 {
 738                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 739                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 740                         m_taskbar->setOverlayIcon(m_iconSuccess.data());
 741                         if(m_skippedJobs.count() > 0)
 742                         {
 743                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 744                         }
 745                         else
 746                         {
 747                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 748                         }
 749                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 750                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 751                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 752                         PLAY_SOUND_OPTIONAL("success", false);
 753                 }
 754         }
 755
 756         MUtils::GUI::enable_close_button(this, true);
 757         ui->button_closeDialog->setEnabled(true);
 758         ui->button_AbortProcess->setEnabled(false);
 759         ui->checkBox_shutdownComputer->setEnabled(false);
 760
 761         m_progressModel->restoreHiddenItems();
 762         ui->view_log->scrollToBottom();
 763         m_progressIndicator->stop();
 764         ui->progressBar->setValue(ui->progressBar->maximum());
 765         m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 766
 767         QApplication::restoreOverrideCursor();
 768
 769         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 770         {
 771                 if(shutdownComputer())
 772                 {
 773                         m_shutdownFlag = m_settings->hibernateComputer() ? SHUTDOWN_FLAG_HIBERNATE : SHUTDOWN_FLAG_POWER_OFF;
 774                         accept();
 775                 }
 776         }
 777 }
 778
 779 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 780 {
 781         if(success > 0)
 782         {
 783                 m_playList.insert(jobId, outFileName);
 784                 m_succeededJobs.append(jobId);
 785         }
 786         else if(success < 0)
 787         {
 788                 m_playList.insert(jobId, outFileName);
 789                 m_skippedJobs.append(jobId);
 790         }
 791         else
 792         {
 793                 m_failedJobs.append(jobId);
 794         }
 795
 796         //Update filter as soon as a job finished!
 797         if(m_progressViewFilter >= 0)
 798         {
 799                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 800         }
 801 }
 802
 803 void ProcessingDialog::progressModelChanged(void)
 804 {
 805         //Update filter as soon as the model changes!
 806         if(m_progressViewFilter >= 0)
 807         {
 808                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 809         }
 810
 811         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 812 }
 813
 814 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 815 {
 816         if(m_runningThreads == 0)
 817         {
 818                 const QStringList &logFile = m_progressModel->getLogFile(index);
 819
 820                 if(!logFile.isEmpty())
 821                 {
 822                         LogViewDialog *logView = new LogViewDialog(this);
 823                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 824                         logView->exec(logFile);
 825                         MUTILS_DELETE(logView);
 826                 }
 827                 else
 828                 {
 829                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 830                 }
 831         }
 832         else
 833         {
 834                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 835         }
 836 }
 837
 838 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int /*oldSize*/, int /*newSize*/)
 839 {
 840         if(logicalIndex == 1)
 841         {
 842                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 843                 {
 844                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 845                 }
 846         }
 847 }
 848
 849 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 850 {
 851         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 852         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 853
 854         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 855         {
 856                 m_contextMenu->popup(sender->mapToGlobal(pos));
 857         }
 858 }
 859
 860 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 861 {
 862         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 863         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 864 }
 865
 866 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 867 {
 868         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 869         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 870         QString filePath = m_playList.value(jobId, QString());
 871
 872         if(filePath.isEmpty())
 873         {
 874                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 875                 return;
 876         }
 877
 878         if(QFileInfo(filePath).exists())
 879         {
 880                 const QString systemRootPath = MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSROOT);
 881                 if(!systemRootPath.isEmpty())
 882                 {
 883                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 884                         if(explorer.exists() && explorer.isFile())
 885                         {
 886                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 887                                 return;
 888                         }
 889                 }
 890                 else
 891                 {
 892                         qWarning("SystemRoot directory could not be detected!");
 893                 }
 894         }
 895         else
 896         {
 897                 qWarning("File not found: %s", filePath.toLatin1().constData());
 898                 MUtils::Sound::beep(MUtils::Sound::BEEP_ERR);
 899         }
 900 }
 901
 902 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 903 {
 904         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 905         {
 906                 if(action->data().type() == QVariant::Int)
 907                 {
 908                         m_progressViewFilter = action->data().toInt();
 909                         progressViewFilterChanged();
 910                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 911                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 912                         action->setChecked(true);
 913                 }
 914         }
 915 }
 916
 917 /*
 918  * Filter progress items
 919  */
 920 void ProcessingDialog::progressViewFilterChanged(void)
 921 {
 922         bool matchFound = false;
 923
 924         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 925         {
 926                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 927                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 928                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 929         }
 930
 931         if((m_progressViewFilter >= 0) && (!matchFound))
 932         {
 933                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 934                 {
 935                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 936                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 937                         m_filterInfoLabel->show();
 938                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 939                         m_filterInfoLabelIcon->show();
 940                         resizeEvent(NULL);
 941                 }
 942         }
 943         else if(!m_filterInfoLabel->isHidden())
 944         {
 945                 m_filterInfoLabel->hide();
 946                 m_filterInfoLabelIcon->hide();
 947         }
 948 }
 949
 950 ////////////////////////////////////////////////////////////
 951 // Private Functions
 952 ////////////////////////////////////////////////////////////
 953
 954 QThreadPool *ProcessingDialog::createThreadPool(void)
 955 {
 956         quint32 maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 957         if (maximumInstances < 1U)
 958         {
 959                 const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect();
 960                 const quint32 nProcessors = qBound(1U, cpuFeatures.count, MAX_INSTANCES);
 961                 maximumInstances = isFastSeekingDevice(m_tempFolder) ? nProcessors : cores2instances(nProcessors);
 962         }
 963         QThreadPool *const threadPool = new QThreadPool();
 964         threadPool->setMaxThreadCount(qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count())));
 965         return threadPool;
 966 }
 967
 968 void ProcessingDialog::writePlayList(void)
 969 {
 970         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 971         {
 972                 qWarning("WritePlayList: Nothing to do!");
 973                 return;
 974         }
 975
 976         //Init local variables
 977         QStringList list;
 978         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 979         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 980         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 981         bool usePrefix[3] = {true, true, true};
 982         bool useUtf8 = false;
 983         int counter = 1;
 984
 985         //Generate playlist name
 986         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 987         if(!m_metaInfo->artist().isEmpty())
 988         {
 989                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 990         }
 991
 992         //Clean playlist name
 993         playListName = MUtils::clean_file_name(playListName, true);
 994
 995         //Create list of audio files
 996         for(int i = 0; i < m_allJobs.count(); i++)
 997         {
 998                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 999                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
1000         }
1001
1002         //Use prefix?
1003         for(int i = 0; i < list.count(); i++)
1004         {
1005                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1006                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1007                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1008         }
1009         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1010         {
1011                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1012         }
1013
1014         //Do we need an UTF-8 playlist?
1015         for(int i = 0; i < list.count(); i++)
1016         {
1017                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1018                 {
1019                         useUtf8 = true;
1020                         break;
1021                 }
1022         }
1023
1024         //Generate playlist output file
1025         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1026         while(QFileInfo(playListFile).exists())
1027         {
1028                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1029         }
1030
1031         //Now write playlist to output file
1032         QFile playList(playListFile);
1033         if(playList.open(QIODevice::WriteOnly))
1034         {
1035                 if(useUtf8)
1036                 {
1037                         playList.write("\xef\xbb\xbf");
1038                 }
1039                 playList.write("#EXTM3U\r\n");
1040                 while(!list.isEmpty())
1041                 {
1042                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1043                         playList.write("\r\n");
1044                 }
1045                 playList.close();
1046         }
1047         else
1048         {
1049                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1050         }
1051 }
1052
1053 void ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1054 {
1055         if(!m_settings->writeMetaTags())
1056         {
1057                 audioFile.metaInfo().reset();
1058                 return;
1059         }
1060
1061         audioFile.metaInfo().update(*m_metaInfo, true);
1062
1063         if(audioFile.metaInfo().position() == UINT_MAX)
1064         {
1065                 audioFile.metaInfo().setPosition(m_currentFile);
1066         }
1067 }
1068
1069 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1070 {
1071         if(reason == QSystemTrayIcon::DoubleClick)
1072         {
1073                 MUtils::GUI::bring_to_front(this);
1074         }
1075 }
1076
1077 void ProcessingDialog::cpuUsageHasChanged(const double val)
1078 {
1079
1080         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1081         UPDATE_MIN_WIDTH(ui->label_cpu);
1082 }
1083
1084 void ProcessingDialog::ramUsageHasChanged(const double val)
1085 {
1086
1087         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1088         UPDATE_MIN_WIDTH(ui->label_ram);
1089 }
1090
1091 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1092 {
1093         int postfix = 0;
1094         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1095         double space = static_cast<double>(val);
1096
1097         while((space >= 1000.0) && (postfix < 5))
1098         {
1099                 space = space / 1024.0;
1100                 postfix++;
1101         }
1102
1103         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1104         UPDATE_MIN_WIDTH(ui->label_disk);
1105 }
1106
1107 bool ProcessingDialog::shutdownComputer(void)
1108 {
1109         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1110         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1111         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1112
1113         qWarning("Initiating shutdown sequence!");
1114
1115         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1116         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1117         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1118         progressDialog.setModal(true);
1119         progressDialog.setAutoClose(false);
1120         progressDialog.setAutoReset(false);
1121         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1122         progressDialog.setCancelButton(cancelButton);
1123         progressDialog.show();
1124
1125         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1126
1127         QApplication::setOverrideCursor(Qt::WaitCursor);
1128         PLAY_SOUND_OPTIONAL("shutdown", false);
1129         QApplication::restoreOverrideCursor();
1130
1131         QTimer timer;
1132         timer.setInterval(1000);
1133         timer.start();
1134
1135         QEventLoop eventLoop(this);
1136         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1137         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1138
1139         for(int i = 1; i <= iTimeout; i++)
1140         {
1141                 eventLoop.exec();
1142                 if(progressDialog.wasCanceled())
1143                 {
1144                         progressDialog.close();
1145                         return false;
1146                 }
1147                 progressDialog.setValue(i+1);
1148                 progressDialog.setLabelText(text.arg(iTimeout-i));
1149                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1150                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1151                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1152         }
1153
1154         progressDialog.close();
1155         return true;
1156 }
1157
1158 ////////////////////////////////////////////////////////////
1159 // HELPER FUNCTIONS
1160 ////////////////////////////////////////////////////////////
1161
1162 bool ProcessingDialog::isFastSeekingDevice(const QString &path)
1163 {
1164         bool haveFastSeeking;
1165         if (MUtils::OS::get_drive_type(path, &haveFastSeeking) != MUtils::OS::DRIVE_TYPE_ERR)
1166         {
1167                 return haveFastSeeking;
1168         }
1169         return false;
1170 }
1171
1172 quint32 ProcessingDialog::cores2instances(const quint32 &cores)
1173 {
1174         //This function is a "cubic spline" with sampling points at:
1175         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1176         static const double LUT[8][5] =
1177         {
1178                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1179                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1180                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1181                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1182                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1183                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1184                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1185                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1186         };
1187
1188         double x = abs(static_cast<double>(cores)), y = 1.0;
1189
1190         for(size_t i = 0; i < 7; i++)
1191         {
1192                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1193                 {
1194                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1195                         break;
1196                 }
1197         }
1198
1199         return static_cast<quint32>(qRound(y));
1200 }
1201
1202 QString ProcessingDialog::time2text(const qint64 &msec)
1203 {
1204         const qint64 MILLISECONDS_PER_DAY = 86399999;   //24x60x60x1000 - 1
1205         const QTime time = QTime().addMSecs(qMin(msec, MILLISECONDS_PER_DAY));
1206
1207         QString a, b;
1208
1209         if (time.hour() > 0)
1210         {
1211                 a = tr("%n hour(s)", "", time.hour());
1212                 b = tr("%n minute(s)", "", time.minute());
1213         }
1214         else if (time.minute() > 0)
1215         {
1216                 a = tr("%n minute(s)", "", time.minute());
1217                 b = tr("%n second(s)", "", time.second());
1218         }
1219         else
1220         {
1221                 a = tr("%n second(s)", "", time.second());
1222                 b = tr("%n millisecond(s)", "", time.msec());
1223         }
1224
1225         return QString("%1, %2").arg(a, b);
1226 }