src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_Processing.h"
  24
  25 //UIC includes
  26 #include "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 ////////////////////////////////////////////////////////////
  81
  82 //Maximum number of parallel instances
  83 #define MAX_INSTANCES 32U
  84
  85 //Function to calculate the number of instances
  86 static int cores2instances(int cores);
  87
  88 ////////////////////////////////////////////////////////////
  89
  90 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  91 { \
  92         QPalette palette = WIDGET->palette(); \
  93         palette.setColor(QPalette::Background, COLOR); \
  94         WIDGET->setPalette(palette); \
  95 } \
  96 while(0)
  97
  98 #define SET_PROGRESS_TEXT(TXT) do \
  99 { \
 100         ui->label_progress->setText(TXT); \
 101         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
 102 } \
 103 while(0)
 104
 105 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 106 { \
 107         QFont _font = WIDGET->font(); \
 108         _font.setBold(BOLD); WIDGET->setFont(_font); \
 109 } \
 110 while(0)
 111
 112 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 113 { \
 114         QPalette _palette = WIDGET->palette(); \
 115         _palette.setColor(QPalette::WindowText, (COLOR)); \
 116         _palette.setColor(QPalette::Text, (COLOR)); \
 117         WIDGET->setPalette(_palette); \
 118 } \
 119 while(0)
 120
 121 #define UPDATE_MIN_WIDTH(WIDGET) do \
 122 { \
 123         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 124 } \
 125 while(0)
 126
 127 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 128 { \
 129         if(m_settings->soundsEnabled()) MUtils::Sound::play_sound((NAME), (ASYNC)); \
 130 } \
 131 while(0)
 132
 133 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 134
 135 ////////////////////////////////////////////////////////////
 136
 137 //Dummy class for UserData
 138 class IntUserData : public QObjectUserData
 139 {
 140 public:
 141         IntUserData(int value) : m_value(value) {/*NOP*/}
 142         int value(void) { return m_value; }
 143         void setValue(int value) { m_value = value; }
 144 private:
 145         int m_value;
 146 };
 147
 148 ////////////////////////////////////////////////////////////
 149 // Constructor
 150 ////////////////////////////////////////////////////////////
 151
 152 ProcessingDialog::ProcessingDialog(FileListModel *const fileListModel, const AudioFileModel_MetaInfo *const metaInfo, const SettingsModel *const settings, QWidget *const parent)
 153 :
 154         QDialog(parent),
 155         ui(new Ui::ProcessingDialog),
 156         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 157         m_taskbar(new MUtils::Taskbar7(this)),
 158         m_settings(settings),
 159         m_metaInfo(metaInfo),
 160         m_shutdownFlag(SHUTDOWN_FLAG_NONE),
 161         m_progressViewFilter(-1),
 162         m_initThreads(0),
 163         m_defaultColor(new QColor()),
 164         m_firstShow(true)
 165 {
 166         //Init the dialog, from the .ui file
 167         ui->setupUi(this);
 168         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 169
 170         //Update the window icon
 171         MUtils::GUI::set_window_icon(this, lamexp_app_icon(), true);
 172
 173         //Update header icon
 174         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 175
 176         //Setup version info
 177         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 178         ui->label_versionInfo->installEventFilter(this);
 179
 180         //Register meta type
 181         qRegisterMetaType<QUuid>("QUuid");
 182
 183         //Center window in screen
 184         QRect desktopRect = QApplication::desktop()->screenGeometry();
 185         QRect thisRect = this->geometry();
 186         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 187         setMinimumSize(thisRect.width(), thisRect.height());
 188
 189         //Enable buttons
 190         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 191
 192         //Init progress indicator
 193         m_progressIndicator.reset(new QMovie(":/images/Working.gif"));
 194         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 195         ui->label_headerWorking->setMovie(m_progressIndicator.data());
 196         ui->progressBar->setValue(0);
 197
 198         //Init progress model
 199         m_progressModel.reset(new ProgressModel());
 200         ui->view_log->setModel(m_progressModel.data());
 201         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 202         ui->view_log->verticalHeader()->hide();
 203         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 204         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 205         ui->view_log->viewport()->installEventFilter(this);
 206         connect(m_progressModel.data(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 207         connect(m_progressModel.data(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 208         connect(m_progressModel.data(), SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 209         connect(m_progressModel.data(), SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 210         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 211         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 212
 213         //Create context menu
 214         m_contextMenu.reset(new QMenu());
 215         QAction *contextMenuDetailsAction  = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 216         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 217         m_contextMenu->addSeparator();
 218
 219         //Create "filter" context menu
 220         m_progressViewFilterGroup.reset(new QActionGroup(this));
 221         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 222         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 223         {
 224                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 225                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 226                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 227                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 228                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 229                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 230                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 231                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 232                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 233                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 234         }
 235
 236         //Create info label
 237         m_filterInfoLabel.reset(new QLabel(ui->view_log));
 238         m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 239         m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 240         m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 241         SET_FONT_BOLD(m_filterInfoLabel, true);
 242         SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 243         m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 244         connect(m_filterInfoLabel.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 245         m_filterInfoLabel->hide();
 246
 247         m_filterInfoLabelIcon .reset(new QLabel(ui->view_log));
 248         m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 249         m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 250         m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 251         const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 252         m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 253         connect(m_filterInfoLabelIcon.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 254         m_filterInfoLabelIcon->hide();
 255
 256         //Connect context menu
 257         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 258         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 259         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 260         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 261         for(size_t i = 0; i < 5; i++)
 262         {
 263                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 264         }
 265         SET_FONT_BOLD(contextMenuDetailsAction, true);
 266
 267         //Setup file extensions
 268         if(!m_settings->renameFiles_fileExtension().isEmpty())
 269         {
 270                 m_fileExts.reset(new FileExtsModel());
 271                 m_fileExts->importItems(m_settings->renameFiles_fileExtension());
 272         }
 273
 274         //Enque jobs
 275         if(fileListModel)
 276         {
 277                 for(int i = 0; i < fileListModel->rowCount(); i++)
 278                 {
 279                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 280                 }
 281         }
 282
 283         //Translate
 284         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 285
 286         //Enable system tray icon
 287         connect(m_systemTray.data(), SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 288
 289         //Init other vars
 290         m_runningThreads = 0;
 291         m_currentFile = 0;
 292         m_allJobs.clear();
 293         m_succeededJobs.clear();
 294         m_failedJobs.clear();
 295         m_skippedJobs.clear();
 296         m_userAborted = false;
 297         m_forcedAbort = false;
 298 }
 299
 300 ////////////////////////////////////////////////////////////
 301 // Destructor
 302 ////////////////////////////////////////////////////////////
 303
 304 ProcessingDialog::~ProcessingDialog(void)
 305 {
 306         ui->view_log->setModel(NULL);
 307
 308         if(!m_progressIndicator.isNull())
 309         {
 310                 m_progressIndicator->stop();
 311         }
 312
 313         if(!m_diskObserver.isNull())
 314         {
 315                 m_diskObserver->stop();
 316                 if(!m_diskObserver->wait(15000))
 317                 {
 318                         m_diskObserver->terminate();
 319                         m_diskObserver->wait();
 320                 }
 321         }
 322
 323         if(!m_cpuObserver.isNull())
 324         {
 325                 m_cpuObserver->stop();
 326                 if(!m_cpuObserver->wait(15000))
 327                 {
 328                         m_cpuObserver->terminate();
 329                         m_cpuObserver->wait();
 330                 }
 331         }
 332
 333         if(!m_ramObserver.isNull())
 334         {
 335                 m_ramObserver->stop();
 336                 if(!m_ramObserver->wait(15000))
 337                 {
 338                         m_ramObserver->terminate();
 339                         m_ramObserver->wait();
 340                 }
 341         }
 342
 343         if(!m_threadPool.isNull())
 344         {
 345                 if(!m_threadPool->waitForDone(100))
 346                 {
 347                         emit abortRunningTasks();
 348                         m_threadPool->waitForDone();
 349                 }
 350         }
 351
 352         m_taskbar->setOverlayIcon(NULL);
 353         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
 354
 355         MUTILS_DELETE(ui);
 356 }
 357
 358 ////////////////////////////////////////////////////////////
 359 // EVENTS
 360 ////////////////////////////////////////////////////////////
 361
 362 void ProcessingDialog::showEvent(QShowEvent *event)
 363 {
 364         QDialog::showEvent(event);
 365
 366         if(m_firstShow)
 367         {
 368                 static const char *NA = " N/A";
 369
 370                 MUtils::GUI::enable_close_button(this, false);
 371                 ui->button_closeDialog->setEnabled(false);
 372                 ui->button_AbortProcess->setEnabled(false);
 373                 m_progressIndicator->start();
 374                 m_systemTray->setVisible(true);
 375
 376                 MUtils::OS::change_process_priority(1);
 377
 378                 ui->label_cpu->setText(NA);
 379                 ui->label_disk->setText(NA);
 380                 ui->label_ram->setText(NA);
 381
 382                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 383                 m_firstShow = false;
 384         }
 385
 386         //Force update geometry
 387         resizeEvent(NULL);
 388 }
 389
 390 void ProcessingDialog::closeEvent(QCloseEvent *event)
 391 {
 392         if(!ui->button_closeDialog->isEnabled())
 393         {
 394                 event->ignore();
 395         }
 396         else
 397         {
 398                 m_systemTray->setVisible(false);
 399         }
 400 }
 401
 402 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 403 {
 404         if(obj == ui->label_versionInfo)
 405         {
 406                 if(event->type() == QEvent::Enter)
 407                 {
 408                         QPalette palette = ui->label_versionInfo->palette();
 409                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 410                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 411                         ui->label_versionInfo->setPalette(palette);
 412                 }
 413                 else if(event->type() == QEvent::Leave)
 414                 {
 415                         QPalette palette = ui->label_versionInfo->palette();
 416                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 417                         ui->label_versionInfo->setPalette(palette);
 418                 }
 419                 else if(event->type() == QEvent::MouseButtonPress)
 420                 {
 421                         QUrl url(lamexp_website_url());
 422                         QDesktopServices::openUrl(url);
 423                 }
 424         }
 425
 426         return false;
 427 }
 428
 429 bool ProcessingDialog::event(QEvent *e)
 430 {
 431         switch(e->type())
 432         {
 433         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 434                 qWarning("System is shutting down, preparing to abort...");
 435                 if(!m_userAborted) abortEncoding(true);
 436                 return true;
 437         case MUtils::GUI::USER_EVENT_ENDSESSION:
 438                 qWarning("System is shutting down, encoding will be aborted now...");
 439                 if(isVisible())
 440                 {
 441                         while(!close())
 442                         {
 443                                 if(!m_userAborted) abortEncoding(true);
 444                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 445                         }
 446                 }
 447                 m_pendingJobs.clear();
 448                 return true;
 449         default:
 450                 return QDialog::event(e);
 451         }
 452 }
 453
 454 /*
 455  * Window was resized
 456  */
 457 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 458 {
 459         if(event) QDialog::resizeEvent(event);
 460
 461         if(QWidget *port = ui->view_log->viewport())
 462         {
 463                 QRect geom = port->geometry();
 464                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 465                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 466         }
 467 }
 468
 469 ////////////////////////////////////////////////////////////
 470 // SLOTS
 471 ////////////////////////////////////////////////////////////
 472
 473 void ProcessingDialog::initEncoding(void)
 474 {
 475         qDebug("Initializing encoding process...");
 476
 477         m_runningThreads = 0;
 478         m_currentFile = 0;
 479         m_allJobs.clear();
 480         m_succeededJobs.clear();
 481         m_failedJobs.clear();
 482         m_skippedJobs.clear();
 483         m_userAborted = false;
 484         m_forcedAbort = false;
 485         m_playList.clear();
 486
 487         DecoderRegistry::configureDecoders(m_settings);
 488
 489         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 490         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 491
 492         ui->button_closeDialog->setEnabled(false);
 493         ui->button_AbortProcess->setEnabled(true);
 494         ui->progressBar->setRange(0, m_pendingJobs.count());
 495         ui->checkBox_shutdownComputer->setEnabled(true);
 496         ui->checkBox_shutdownComputer->setChecked(false);
 497
 498         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 499         m_taskbar->setTaskbarProgress(0, m_pendingJobs.count());
 500         m_taskbar->setOverlayIcon(&QIcon(":/icons/control_play_blue.png"));
 501
 502         if(!m_diskObserver)
 503         {
 504                 m_diskObserver.reset(new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()));
 505                 connect(m_diskObserver.data(), SIGNAL(messageLogged(QString,int)), m_progressModel.data(), SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 506                 connect(m_diskObserver.data(), SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 507                 m_diskObserver->start();
 508         }
 509         if(!m_cpuObserver)
 510         {
 511                 m_cpuObserver.reset(new CPUObserverThread());
 512                 connect(m_cpuObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 513                 m_cpuObserver->start();
 514         }
 515         if(!m_ramObserver)
 516         {
 517                 m_ramObserver.reset(new RAMObserverThread());
 518                 connect(m_ramObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 519                 m_ramObserver->start();
 520         }
 521
 522         if(m_threadPool.isNull())
 523         {
 524                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 525                 if(maximumInstances < 1)
 526                 {
 527                         const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect();
 528                         maximumInstances = cores2instances(qBound(1U, cpuFeatures.count, 64U));
 529                 }
 530
 531                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 532                 if(maximumInstances > 1)
 533                 {
 534                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 535                 }
 536
 537                 m_threadPool.reset(new QThreadPool());
 538                 m_threadPool->setMaxThreadCount(maximumInstances);
 539         }
 540
 541         m_initThreads = m_threadPool->maxThreadCount();
 542         QTimer::singleShot(100, this, SLOT(initNextJob()));
 543
 544         m_totalTime.reset(new QElapsedTimer());
 545         m_totalTime->start();
 546 }
 547
 548 void ProcessingDialog::initNextJob(void)
 549 {
 550         if((m_initThreads > 0) && (!m_userAborted))
 551         {
 552                 startNextJob();
 553                 if(--m_initThreads > 0)
 554                 {
 555                         QTimer::singleShot(32, this, SLOT(initNextJob()));
 556                 }
 557         }
 558 }
 559
 560 void ProcessingDialog::startNextJob(void)
 561 {
 562         if(m_pendingJobs.isEmpty())
 563         {
 564                 qWarning("No more files left, unable to start another job!");
 565                 return;
 566         }
 567
 568         m_currentFile++;
 569         m_runningThreads++;
 570
 571         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 572         bool nativeResampling = false;
 573
 574         //Create encoder instance
 575         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 576
 577         //Create processing thread
 578         ProcessThread *thread = new ProcessThread
 579         (
 580                 currentFile,
 581                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 582                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()),
 583                 encoder,
 584                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 585         );
 586
 587         //Add audio filters
 588         if(m_settings->forceStereoDownmix())
 589         {
 590                 thread->addFilter(new DownmixFilter());
 591         }
 592         if((m_settings->samplingRate() > 0) && !nativeResampling)
 593         {
 594                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 595                 {
 596                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 597                 }
 598         }
 599         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 600         {
 601                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 602         }
 603         if(m_settings->normalizationFilterEnabled())
 604         {
 605                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterDynamic(), m_settings->normalizationFilterCoupled(), m_settings->normalizationFilterSize()));
 606         }
 607         if(m_settings->renameFiles_renameEnabled() && (!m_settings->renameFiles_renamePattern().simplified().isEmpty()))
 608         {
 609                 thread->setRenamePattern(m_settings->renameFiles_renamePattern());
 610         }
 611         if(m_settings->renameFiles_regExpEnabled() && (!m_settings->renameFiles_regExpSearch().trimmed().isEmpty()) && (!m_settings->renameFiles_regExpReplace().simplified().isEmpty()))
 612         {
 613                 thread->setRenameRegExp(m_settings->renameFiles_regExpSearch(), m_settings->renameFiles_regExpReplace());
 614         }
 615         if(!m_fileExts.isNull())
 616         {
 617                 thread->setRenameFileExt(m_fileExts->apply(QString::fromUtf8(EncoderRegistry::getEncoderInfo(m_settings->compressionEncoder())->extension())));
 618         }
 619         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 620         {
 621                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 622         }
 623         if (m_settings->keepOriginalDataTime())
 624         {
 625                 thread->setKeepDateTime(m_settings->keepOriginalDataTime());
 626         }
 627
 628         m_allJobs.append(thread->getId());
 629
 630         //Connect thread signals
 631         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 632         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel.data(), SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 633         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel.data(), SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 634         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 635         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel.data(), SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 636         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 637
 638         //Initialize thread object
 639         if(!thread->init())
 640         {
 641                 qFatal("Fatal Error: Thread initialization has failed!");
 642         }
 643
 644         //Give it a go!
 645         if(!thread->start(m_threadPool.data()))
 646         {
 647                 qWarning("Job failed to start or file was skipped!");
 648         }
 649 }
 650
 651 void ProcessingDialog::abortEncoding(bool force)
 652 {
 653         m_userAborted = true;
 654         if(force) m_forcedAbort = true;
 655         ui->button_AbortProcess->setEnabled(false);
 656         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 657         emit abortRunningTasks();
 658 }
 659
 660 void ProcessingDialog::doneEncoding(void)
 661 {
 662         m_runningThreads--;
 663         ui->progressBar->setValue(ui->progressBar->value() + 1);
 664
 665         if(!m_userAborted)
 666         {
 667                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 668                 m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 669         }
 670
 671         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 672         {
 673                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 674                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 675                 return;
 676         }
 677
 678         if(m_runningThreads > 0)
 679         {
 680                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 681                 return;
 682         }
 683
 684         QApplication::setOverrideCursor(Qt::WaitCursor);
 685         qDebug("Running jobs: %u", m_runningThreads);
 686
 687         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 688         {
 689                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 690                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 691                 writePlayList();
 692         }
 693
 694         if(m_userAborted)
 695         {
 696                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 697                 m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 698                 m_taskbar->setOverlayIcon(&QIcon(":/icons/error.png"));
 699                 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!"));
 700                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 701                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 702                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 703                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 704         }
 705         else
 706         {
 707                 if((!m_totalTime.isNull()) && m_totalTime->isValid())
 708                 {
 709                         m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(m_totalTime->elapsed())), ProgressModel::SysMsg_Performance);
 710                         m_totalTime->invalidate();
 711                 }
 712
 713                 if(m_failedJobs.count() > 0)
 714                 {
 715                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 716                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 717                         m_taskbar->setOverlayIcon(&QIcon(":/icons/exclamation.png"));
 718                         if(m_skippedJobs.count() > 0)
 719                         {
 720                                 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())));
 721                         }
 722                         else
 723                         {
 724                                 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())));
 725                         }
 726                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 727                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 728                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 729                         PLAY_SOUND_OPTIONAL("error", false);
 730                 }
 731                 else
 732                 {
 733                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 734                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 735                         m_taskbar->setOverlayIcon(&QIcon(":/icons/accept.png"));
 736                         if(m_skippedJobs.count() > 0)
 737                         {
 738                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 739                         }
 740                         else
 741                         {
 742                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 743                         }
 744                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 745                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 746                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 747                         PLAY_SOUND_OPTIONAL("success", false);
 748                 }
 749         }
 750
 751         MUtils::GUI::enable_close_button(this, true);
 752         ui->button_closeDialog->setEnabled(true);
 753         ui->button_AbortProcess->setEnabled(false);
 754         ui->checkBox_shutdownComputer->setEnabled(false);
 755
 756         m_progressModel->restoreHiddenItems();
 757         ui->view_log->scrollToBottom();
 758         m_progressIndicator->stop();
 759         ui->progressBar->setValue(ui->progressBar->maximum());
 760         m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 761
 762         QApplication::restoreOverrideCursor();
 763
 764         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 765         {
 766                 if(shutdownComputer())
 767                 {
 768                         m_shutdownFlag = m_settings->hibernateComputer() ? SHUTDOWN_FLAG_HIBERNATE : SHUTDOWN_FLAG_POWER_OFF;
 769                         accept();
 770                 }
 771         }
 772 }
 773
 774 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 775 {
 776         if(success > 0)
 777         {
 778                 m_playList.insert(jobId, outFileName);
 779                 m_succeededJobs.append(jobId);
 780         }
 781         else if(success < 0)
 782         {
 783                 m_playList.insert(jobId, outFileName);
 784                 m_skippedJobs.append(jobId);
 785         }
 786         else
 787         {
 788                 m_failedJobs.append(jobId);
 789         }
 790
 791         //Update filter as soon as a job finished!
 792         if(m_progressViewFilter >= 0)
 793         {
 794                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 795         }
 796 }
 797
 798 void ProcessingDialog::progressModelChanged(void)
 799 {
 800         //Update filter as soon as the model changes!
 801         if(m_progressViewFilter >= 0)
 802         {
 803                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 804         }
 805
 806         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 807 }
 808
 809 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 810 {
 811         if(m_runningThreads == 0)
 812         {
 813                 const QStringList &logFile = m_progressModel->getLogFile(index);
 814
 815                 if(!logFile.isEmpty())
 816                 {
 817                         LogViewDialog *logView = new LogViewDialog(this);
 818                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 819                         logView->exec(logFile);
 820                         MUTILS_DELETE(logView);
 821                 }
 822                 else
 823                 {
 824                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 825                 }
 826         }
 827         else
 828         {
 829                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 830         }
 831 }
 832
 833 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 834 {
 835         if(logicalIndex == 1)
 836         {
 837                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 838                 {
 839                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 840                 }
 841         }
 842 }
 843
 844 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 845 {
 846         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 847         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 848
 849         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 850         {
 851                 m_contextMenu->popup(sender->mapToGlobal(pos));
 852         }
 853 }
 854
 855 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 856 {
 857         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 858         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 859 }
 860
 861 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 862 {
 863         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 864         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 865         QString filePath = m_playList.value(jobId, QString());
 866
 867         if(filePath.isEmpty())
 868         {
 869                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 870                 return;
 871         }
 872
 873         if(QFileInfo(filePath).exists())
 874         {
 875                 QString systemRootPath;
 876
 877                 QDir systemRoot(MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSTEMFOLDER));
 878                 if(systemRoot.exists() && systemRoot.cdUp())
 879                 {
 880                         systemRootPath = systemRoot.canonicalPath();
 881                 }
 882
 883                 if(!systemRootPath.isEmpty())
 884                 {
 885                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 886                         if(explorer.exists() && explorer.isFile())
 887                         {
 888                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 889                                 return;
 890                         }
 891                 }
 892                 else
 893                 {
 894                         qWarning("SystemRoot directory could not be detected!");
 895                 }
 896         }
 897         else
 898         {
 899                 qWarning("File not found: %s", filePath.toLatin1().constData());
 900                 MUtils::Sound::beep(MUtils::Sound::BEEP_ERR);
 901         }
 902 }
 903
 904 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 905 {
 906         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 907         {
 908                 if(action->data().type() == QVariant::Int)
 909                 {
 910                         m_progressViewFilter = action->data().toInt();
 911                         progressViewFilterChanged();
 912                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 913                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 914                         action->setChecked(true);
 915                 }
 916         }
 917 }
 918
 919 /*
 920  * Filter progress items
 921  */
 922 void ProcessingDialog::progressViewFilterChanged(void)
 923 {
 924         bool matchFound = false;
 925
 926         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 927         {
 928                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 929                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 930                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 931         }
 932
 933         if((m_progressViewFilter >= 0) && (!matchFound))
 934         {
 935                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 936                 {
 937                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 938                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 939                         m_filterInfoLabel->show();
 940                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 941                         m_filterInfoLabelIcon->show();
 942                         resizeEvent(NULL);
 943                 }
 944         }
 945         else if(!m_filterInfoLabel->isHidden())
 946         {
 947                 m_filterInfoLabel->hide();
 948                 m_filterInfoLabelIcon->hide();
 949         }
 950 }
 951
 952 ////////////////////////////////////////////////////////////
 953 // Private Functions
 954 ////////////////////////////////////////////////////////////
 955
 956 void ProcessingDialog::writePlayList(void)
 957 {
 958         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 959         {
 960                 qWarning("WritePlayList: Nothing to do!");
 961                 return;
 962         }
 963
 964         //Init local variables
 965         QStringList list;
 966         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 967         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 968         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 969         bool usePrefix[3] = {true, true, true};
 970         bool useUtf8 = false;
 971         int counter = 1;
 972
 973         //Generate playlist name
 974         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 975         if(!m_metaInfo->artist().isEmpty())
 976         {
 977                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 978         }
 979
 980         //Clean playlist name
 981         playListName = MUtils::clean_file_name(playListName);
 982
 983         //Create list of audio files
 984         for(int i = 0; i < m_allJobs.count(); i++)
 985         {
 986                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 987                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 988         }
 989
 990         //Use prefix?
 991         for(int i = 0; i < list.count(); i++)
 992         {
 993                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
 994                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
 995                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
 996         }
 997         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
 998         {
 999                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1000         }
1001
1002         //Do we need an UTF-8 playlist?
1003         for(int i = 0; i < list.count(); i++)
1004         {
1005                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1006                 {
1007                         useUtf8 = true;
1008                         break;
1009                 }
1010         }
1011
1012         //Generate playlist output file
1013         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1014         while(QFileInfo(playListFile).exists())
1015         {
1016                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1017         }
1018
1019         //Now write playlist to output file
1020         QFile playList(playListFile);
1021         if(playList.open(QIODevice::WriteOnly))
1022         {
1023                 if(useUtf8)
1024                 {
1025                         playList.write("\xef\xbb\xbf");
1026                 }
1027                 playList.write("#EXTM3U\r\n");
1028                 while(!list.isEmpty())
1029                 {
1030                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1031                         playList.write("\r\n");
1032                 }
1033                 playList.close();
1034         }
1035         else
1036         {
1037                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1038         }
1039 }
1040
1041 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1042 {
1043         if(!m_settings->writeMetaTags())
1044         {
1045                 audioFile.metaInfo().reset();
1046                 return audioFile;
1047         }
1048
1049         audioFile.metaInfo().update(*m_metaInfo, true);
1050
1051         if(audioFile.metaInfo().position() == UINT_MAX)
1052         {
1053                 audioFile.metaInfo().setPosition(m_currentFile);
1054         }
1055
1056         return audioFile;
1057 }
1058
1059 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1060 {
1061         if(reason == QSystemTrayIcon::DoubleClick)
1062         {
1063                 MUtils::GUI::bring_to_front(this);
1064         }
1065 }
1066
1067 void ProcessingDialog::cpuUsageHasChanged(const double val)
1068 {
1069
1070         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1071         UPDATE_MIN_WIDTH(ui->label_cpu);
1072 }
1073
1074 void ProcessingDialog::ramUsageHasChanged(const double val)
1075 {
1076
1077         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1078         UPDATE_MIN_WIDTH(ui->label_ram);
1079 }
1080
1081 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1082 {
1083         int postfix = 0;
1084         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1085         double space = static_cast<double>(val);
1086
1087         while((space >= 1000.0) && (postfix < 5))
1088         {
1089                 space = space / 1024.0;
1090                 postfix++;
1091         }
1092
1093         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1094         UPDATE_MIN_WIDTH(ui->label_disk);
1095 }
1096
1097 bool ProcessingDialog::shutdownComputer(void)
1098 {
1099         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1100         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1101         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1102
1103         qWarning("Initiating shutdown sequence!");
1104
1105         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1106         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1107         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1108         progressDialog.setModal(true);
1109         progressDialog.setAutoClose(false);
1110         progressDialog.setAutoReset(false);
1111         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1112         progressDialog.setCancelButton(cancelButton);
1113         progressDialog.show();
1114
1115         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1116
1117         QApplication::setOverrideCursor(Qt::WaitCursor);
1118         PLAY_SOUND_OPTIONAL("shutdown", false);
1119         QApplication::restoreOverrideCursor();
1120
1121         QTimer timer;
1122         timer.setInterval(1000);
1123         timer.start();
1124
1125         QEventLoop eventLoop(this);
1126         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1127         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1128
1129         for(int i = 1; i <= iTimeout; i++)
1130         {
1131                 eventLoop.exec();
1132                 if(progressDialog.wasCanceled())
1133                 {
1134                         progressDialog.close();
1135                         return false;
1136                 }
1137                 progressDialog.setValue(i+1);
1138                 progressDialog.setLabelText(text.arg(iTimeout-i));
1139                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1140                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1141                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1142         }
1143
1144         progressDialog.close();
1145         return true;
1146 }
1147
1148 QString ProcessingDialog::time2text(const qint64 &msec) const
1149 {
1150         const qint64 MILLISECONDS_PER_DAY = 86399999;   //24x60x60x1000 - 1
1151         const QTime time = QTime().addMSecs(qMin(msec, MILLISECONDS_PER_DAY));
1152
1153         QString a, b;
1154
1155         if(time.hour() > 0)
1156         {
1157                 a = tr("%n hour(s)",   "", time.hour());
1158                 b = tr("%n minute(s)", "", time.minute());
1159         }
1160         else if(time.minute() > 0)
1161         {
1162                 a = tr("%n minute(s)", "", time.minute());
1163                 b = tr("%n second(s)", "", time.second());
1164         }
1165         else
1166         {
1167                 a = tr("%n second(s)",      "", time.second());
1168                 b = tr("%n millisecond(s)", "", time.msec());
1169         }
1170
1171         return QString("%1, %2").arg(a, b);
1172 }
1173
1174 ////////////////////////////////////////////////////////////
1175 // HELPER FUNCTIONS
1176 ////////////////////////////////////////////////////////////
1177
1178 static int cores2instances(int cores)
1179 {
1180         //This function is a "cubic spline" with sampling points at:
1181         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1182         static const double LUT[8][5] =
1183         {
1184                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1185                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1186                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1187                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1188                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1189                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1190                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1191                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1192         };
1193
1194         double x = abs(static_cast<double>(cores)), y = 1.0;
1195
1196         for(size_t i = 0; i < 7; i++)
1197         {
1198                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1199                 {
1200                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1201                         break;
1202                 }
1203         }
1204
1205         return qRound(y);
1206 }