src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Dialog_Processing.h"
  23
  24 //UIC includes
  25 #include "../tmp/UIC_ProcessingDialog.h"
  26
  27 #include "Global.h"
  28 #include "Resource.h"
  29 #include "Model_FileList.h"
  30 #include "Model_Progress.h"
  31 #include "Model_Settings.h"
  32 #include "Thread_Process.h"
  33 #include "Thread_CPUObserver.h"
  34 #include "Thread_RAMObserver.h"
  35 #include "Thread_DiskObserver.h"
  36 #include "Dialog_LogView.h"
  37 #include "Encoder_AAC.h"
  38 #include "Encoder_AAC_FHG.h"
  39 #include "Encoder_AAC_QAAC.h"
  40 #include "Encoder_AC3.h"
  41 #include "Encoder_DCA.h"
  42 #include "Encoder_FLAC.h"
  43 #include "Encoder_MP3.h"
  44 #include "Encoder_Vorbis.h"
  45 #include "Encoder_Opus.h"
  46 #include "Encoder_Wave.h"
  47 #include "Registry_Decoder.h"
  48 #include "Filter_Downmix.h"
  49 #include "Filter_Normalize.h"
  50 #include "Filter_Resample.h"
  51 #include "Filter_ToneAdjust.h"
  52 #include "WinSevenTaskbar.h"
  53
  54 #include <QApplication>
  55 #include <QRect>
  56 #include <QDesktopWidget>
  57 #include <QMovie>
  58 #include <QMessageBox>
  59 #include <QTimer>
  60 #include <QCloseEvent>
  61 #include <QDesktopServices>
  62 #include <QUrl>
  63 #include <QUuid>
  64 #include <QFileInfo>
  65 #include <QDir>
  66 #include <QMenu>
  67 #include <QSystemTrayIcon>
  68 #include <QProcess>
  69 #include <QProgressDialog>
  70 #include <QResizeEvent>
  71 #include <QTime>
  72
  73 #include <MMSystem.h>
  74 #include <math.h>
  75 #include <float.h>
  76
  77 ////////////////////////////////////////////////////////////
  78
  79 //Maximum number of parallel instances
  80 #define MAX_INSTANCES 16U
  81
  82 //Function to calculate the number of instances
  83 static int cores2instances(int cores);
  84
  85 ////////////////////////////////////////////////////////////
  86
  87 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  88 { \
  89         QPalette palette = WIDGET->palette(); \
  90         palette.setColor(QPalette::Background, COLOR); \
  91         WIDGET->setPalette(palette); \
  92 } \
  93 while(0)
  94
  95 #define SET_PROGRESS_TEXT(TXT) do \
  96 { \
  97         ui->label_progress->setText(TXT); \
  98         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  99 } \
 100 while(0)
 101
 102 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 103 { \
 104         QFont _font = WIDGET->font(); \
 105         _font.setBold(BOLD); WIDGET->setFont(_font); \
 106 } \
 107 while(0)
 108
 109 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 110 { \
 111         QPalette _palette = WIDGET->palette(); \
 112         _palette.setColor(QPalette::WindowText, (COLOR)); \
 113         _palette.setColor(QPalette::Text, (COLOR)); \
 114         WIDGET->setPalette(_palette); \
 115 } \
 116 while(0)
 117
 118 #define UPDATE_MIN_WIDTH(WIDGET) do \
 119 { \
 120         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 121 } \
 122 while(0)
 123
 124 ////////////////////////////////////////////////////////////
 125
 126 //Dummy class for UserData
 127 class IntUserData : public QObjectUserData
 128 {
 129 public:
 130         IntUserData(int value) : m_value(value) {/*NOP*/}
 131         int value(void) { return m_value; }
 132         void setValue(int value) { m_value = value; }
 133 private:
 134         int m_value;
 135 };
 136
 137 ////////////////////////////////////////////////////////////
 138 // Constructor
 139 ////////////////////////////////////////////////////////////
 140
 141 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, AudioFileModel *metaInfo, SettingsModel *settings, QWidget *parent)
 142 :
 143         QDialog(parent),
 144         ui(new Ui::ProcessingDialog),
 145         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 146         m_settings(settings),
 147         m_metaInfo(metaInfo),
 148         m_shutdownFlag(shutdownFlag_None),
 149         m_diskObserver(NULL),
 150         m_cpuObserver(NULL),
 151         m_ramObserver(NULL),
 152         m_progressViewFilter(-1),
 153         m_firstShow(true)
 154 {
 155         //Init the dialog, from the .ui file
 156         ui->setupUi(this);
 157         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 158
 159         //Update header icon
 160         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 161
 162         //Setup version info
 163         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 164         ui->label_versionInfo->installEventFilter(this);
 165
 166         //Register meta type
 167         qRegisterMetaType<QUuid>("QUuid");
 168
 169         //Center window in screen
 170         QRect desktopRect = QApplication::desktop()->screenGeometry();
 171         QRect thisRect = this->geometry();
 172         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 173         setMinimumSize(thisRect.width(), thisRect.height());
 174
 175         //Enable buttons
 176         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 177
 178         //Init progress indicator
 179         m_progressIndicator = new QMovie(":/images/Working.gif");
 180         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 181         m_progressIndicator->setSpeed(50);
 182         ui->label_headerWorking->setMovie(m_progressIndicator);
 183         ui->progressBar->setValue(0);
 184
 185         //Init progress model
 186         m_progressModel = new ProgressModel();
 187         ui->view_log->setModel(m_progressModel);
 188         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 189         ui->view_log->verticalHeader()->hide();
 190         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 191         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 192         ui->view_log->viewport()->installEventFilter(this);
 193         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 194         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 195         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 196         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 197         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 198         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 199
 200         //Create context menu
 201         m_contextMenu = new QMenu();
 202         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 203         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 204         m_contextMenu->addSeparator();
 205
 206         //Create "filter" context menu
 207         m_progressViewFilterGroup = new QActionGroup(this);
 208         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 209         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 210         {
 211                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 212                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 213                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 214                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 215                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 216                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 217                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 218                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 219                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 220                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 221         }
 222
 223         //Create info label
 224         if(m_filterInfoLabel = new QLabel(ui->view_log))
 225         {
 226                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 227                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 228                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 229                 SET_FONT_BOLD(m_filterInfoLabel, true);
 230                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 231                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 232                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 233                 m_filterInfoLabel->hide();
 234         }
 235         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 236         {
 237                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 238                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 239                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 240                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 241                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 242                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 243                 m_filterInfoLabelIcon->hide();
 244         }
 245
 246         //Connect context menu
 247         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 248         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 249         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 250         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 251         for(size_t i = 0; i < 5; i++)
 252         {
 253                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 254         }
 255         SET_FONT_BOLD(contextMenuDetailsAction, true);
 256
 257         //Enque jobs
 258         if(fileListModel)
 259         {
 260                 for(int i = 0; i < fileListModel->rowCount(); i++)
 261                 {
 262                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 263                 }
 264         }
 265
 266         //Translate
 267         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 268
 269         //Enable system tray icon
 270         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 271
 272         //Init other vars
 273         m_runningThreads = 0;
 274         m_currentFile = 0;
 275         m_allJobs.clear();
 276         m_succeededJobs.clear();
 277         m_failedJobs.clear();
 278         m_skippedJobs.clear();
 279         m_userAborted = false;
 280         m_forcedAbort = false;
 281         m_timerStart = 0I64;
 282 }
 283
 284 ////////////////////////////////////////////////////////////
 285 // Destructor
 286 ////////////////////////////////////////////////////////////
 287
 288 ProcessingDialog::~ProcessingDialog(void)
 289 {
 290         ui->view_log->setModel(NULL);
 291
 292         if(m_progressIndicator)
 293         {
 294                 m_progressIndicator->stop();
 295         }
 296
 297         if(m_diskObserver)
 298         {
 299                 m_diskObserver->stop();
 300                 if(!m_diskObserver->wait(15000))
 301                 {
 302                         m_diskObserver->terminate();
 303                         m_diskObserver->wait();
 304                 }
 305         }
 306         if(m_cpuObserver)
 307         {
 308                 m_cpuObserver->stop();
 309                 if(!m_cpuObserver->wait(15000))
 310                 {
 311                         m_cpuObserver->terminate();
 312                         m_cpuObserver->wait();
 313                 }
 314         }
 315         if(m_ramObserver)
 316         {
 317                 m_ramObserver->stop();
 318                 if(!m_ramObserver->wait(15000))
 319                 {
 320                         m_ramObserver->terminate();
 321                         m_ramObserver->wait();
 322                 }
 323         }
 324
 325         while(!m_threadList.isEmpty())
 326         {
 327                 ProcessThread *thread = m_threadList.takeFirst();
 328                 thread->terminate();
 329                 thread->wait(15000);
 330                 delete thread;
 331         }
 332
 333         LAMEXP_DELETE(m_progressIndicator);
 334         LAMEXP_DELETE(m_systemTray);
 335         LAMEXP_DELETE(m_diskObserver);
 336         LAMEXP_DELETE(m_cpuObserver);
 337         LAMEXP_DELETE(m_ramObserver);
 338         LAMEXP_DELETE(m_progressViewFilterGroup);
 339         LAMEXP_DELETE(m_filterInfoLabel);
 340         LAMEXP_DELETE(m_filterInfoLabelIcon);
 341         LAMEXP_DELETE(m_contextMenu);
 342         LAMEXP_DELETE(m_progressModel);
 343
 344         WinSevenTaskbar::setOverlayIcon(this, NULL);
 345         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 346
 347         LAMEXP_DELETE(ui);
 348 }
 349
 350 ////////////////////////////////////////////////////////////
 351 // EVENTS
 352 ////////////////////////////////////////////////////////////
 353
 354 void ProcessingDialog::showEvent(QShowEvent *event)
 355 {
 356         QDialog::showEvent(event);
 357
 358         if(m_firstShow)
 359         {
 360                 static const char *NA = " N/A";
 361
 362                 setCloseButtonEnabled(false);
 363                 ui->button_closeDialog->setEnabled(false);
 364                 ui->button_AbortProcess->setEnabled(false);
 365                 m_systemTray->setVisible(true);
 366
 367                 if(!SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS))
 368                 {
 369                         SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
 370                 }
 371
 372                 ui->label_cpu->setText(NA);
 373                 ui->label_disk->setText(NA);
 374                 ui->label_ram->setText(NA);
 375
 376                 QTimer::singleShot(1000, this, SLOT(initEncoding()));
 377                 m_firstShow = false;
 378         }
 379
 380         //Force update geometry
 381         resizeEvent(NULL);
 382 }
 383
 384 void ProcessingDialog::closeEvent(QCloseEvent *event)
 385 {
 386         if(!ui->button_closeDialog->isEnabled())
 387         {
 388                 event->ignore();
 389         }
 390         else
 391         {
 392                 m_systemTray->setVisible(false);
 393         }
 394 }
 395
 396 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 397 {
 398         static QColor defaultColor = QColor();
 399
 400         if(obj == ui->label_versionInfo)
 401         {
 402                 if(event->type() == QEvent::Enter)
 403                 {
 404                         QPalette palette = ui->label_versionInfo->palette();
 405                         defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 406                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 407                         ui->label_versionInfo->setPalette(palette);
 408                 }
 409                 else if(event->type() == QEvent::Leave)
 410                 {
 411                         QPalette palette = ui->label_versionInfo->palette();
 412                         palette.setColor(QPalette::Normal, QPalette::WindowText, defaultColor);
 413                         ui->label_versionInfo->setPalette(palette);
 414                 }
 415                 else if(event->type() == QEvent::MouseButtonPress)
 416                 {
 417                         QUrl url(lamexp_website_url());
 418                         QDesktopServices::openUrl(url);
 419                 }
 420         }
 421
 422         return false;
 423 }
 424
 425 bool ProcessingDialog::event(QEvent *e)
 426 {
 427         switch(e->type())
 428         {
 429         case lamexp_event_queryendsession:
 430                 qWarning("System is shutting down, preparing to abort...");
 431                 if(!m_userAborted) abortEncoding(true);
 432                 return true;
 433         case lamexp_event_endsession:
 434                 qWarning("System is shutting down, encoding will be aborted now...");
 435                 if(isVisible())
 436                 {
 437                         while(!close())
 438                         {
 439                                 if(!m_userAborted) abortEncoding(true);
 440                                 QApplication::processEvents(QEventLoop::WaitForMoreEvents & QEventLoop::ExcludeUserInputEvents);
 441                         }
 442                 }
 443                 m_pendingJobs.clear();
 444                 return true;
 445         default:
 446                 return QDialog::event(e);
 447         }
 448 }
 449
 450 /*
 451  * Window was resized
 452  */
 453 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 454 {
 455         if(event) QDialog::resizeEvent(event);
 456
 457         if(QWidget *port = ui->view_log->viewport())
 458         {
 459                 QRect geom = port->geometry();
 460                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 461                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 462         }
 463 }
 464
 465 bool ProcessingDialog::winEvent(MSG *message, long *result)
 466 {
 467         return WinSevenTaskbar::handleWinEvent(message, result);
 468 }
 469
 470 ////////////////////////////////////////////////////////////
 471 // SLOTS
 472 ////////////////////////////////////////////////////////////
 473
 474 void ProcessingDialog::initEncoding(void)
 475 {
 476         qDebug("Initializing encoding process...");
 477
 478         m_runningThreads = 0;
 479         m_currentFile = 0;
 480         m_allJobs.clear();
 481         m_succeededJobs.clear();
 482         m_failedJobs.clear();
 483         m_skippedJobs.clear();
 484         m_userAborted = false;
 485         m_forcedAbort = false;
 486         m_playList.clear();
 487
 488         DecoderRegistry::configureDecoders(m_settings);
 489
 490         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 491         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 492         m_progressIndicator->start();
 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         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 501         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 502         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 503
 504         if(!m_diskObserver)
 505         {
 506                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2());
 507                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 508                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 509                 m_diskObserver->start();
 510         }
 511         if(!m_cpuObserver)
 512         {
 513                 m_cpuObserver = new CPUObserverThread();
 514                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 515                 m_cpuObserver->start();
 516         }
 517         if(!m_ramObserver)
 518         {
 519                 m_ramObserver = new RAMObserverThread();
 520                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 521                 m_ramObserver->start();
 522         }
 523
 524         unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 525         if(maximumInstances < 1)
 526         {
 527                 lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features(lamexp_arguments());
 528                 maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 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         for(unsigned int i = 0; i < maximumInstances; i++)
 538         {
 539                 startNextJob();
 540                 qApp->processEvents();
 541         }
 542
 543         LARGE_INTEGER counter;
 544         if(QueryPerformanceCounter(&counter))
 545         {
 546                 m_timerStart = counter.QuadPart;
 547         }
 548 }
 549
 550 void ProcessingDialog::abortEncoding(bool force)
 551 {
 552         m_userAborted = true;
 553         if(force) m_forcedAbort = true;
 554         ui->button_AbortProcess->setEnabled(false);
 555         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 556
 557         for(int i = 0; i < m_threadList.count(); i++)
 558         {
 559                 m_threadList.at(i)->abort();
 560         }
 561 }
 562
 563 void ProcessingDialog::doneEncoding(void)
 564 {
 565         m_runningThreads--;
 566         ui->progressBar->setValue(ui->progressBar->value() + 1);
 567
 568         if(!m_userAborted)
 569         {
 570                 SET_PROGRESS_TEXT(tr("Encoding: %1 files of %2 completed so far, please wait...").arg(QString::number(ui->progressBar->value()), QString::number(ui->progressBar->maximum())));
 571                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 572         }
 573
 574         int index = m_threadList.indexOf(dynamic_cast<ProcessThread*>(QWidget::sender()));
 575         if(index >= 0)
 576         {
 577                 m_threadList.takeAt(index)->deleteLater();
 578         }
 579
 580         if(!m_pendingJobs.isEmpty() && !m_userAborted)
 581         {
 582                 startNextJob();
 583                 qDebug("Running jobs: %u", m_runningThreads);
 584                 return;
 585         }
 586
 587         if(m_runningThreads > 0)
 588         {
 589                 qDebug("Running jobs: %u", m_runningThreads);
 590                 return;
 591         }
 592
 593         QApplication::setOverrideCursor(Qt::WaitCursor);
 594         qDebug("Running jobs: %u", m_runningThreads);
 595
 596         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 597         {
 598                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 599                 QApplication::processEvents();
 600                 writePlayList();
 601         }
 602
 603         if(m_userAborted)
 604         {
 605                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF3BA"));
 606                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 607                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 608                 SET_PROGRESS_TEXT((m_succeededJobs.count() > 0) ? tr("Process was aborted by the user after %1 file(s)!").arg(QString::number(m_succeededJobs.count())) : tr("Process was aborted prematurely by the user!"));
 609                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 610                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 611                 QApplication::processEvents();
 612                 if(m_settings->soundsEnabled() && !m_forcedAbort)
 613                 {
 614                         PlaySound(MAKEINTRESOURCE(IDR_WAVE_ABORTED), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 615                 }
 616         }
 617         else
 618         {
 619                 LARGE_INTEGER counter, frequency;
 620                 if(QueryPerformanceCounter(&counter) && QueryPerformanceFrequency(&frequency))
 621                 {
 622                         if((m_timerStart > 0I64) && (frequency.QuadPart > 0I64) && (m_timerStart < counter.QuadPart))
 623                         {
 624                                 double timeElapsed = static_cast<double>(counter.QuadPart - m_timerStart) / static_cast<double>(frequency.QuadPart);
 625                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 626                         }
 627                 }
 628
 629                 if(m_failedJobs.count() > 0)
 630                 {
 631                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFBABA"));
 632                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 633                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 634                         if(m_skippedJobs.count() > 0)
 635                         {
 636                                 SET_PROGRESS_TEXT(tr("Error: %1 of %2 files failed (%3 files skipped). Double-click failed items for detailed information!").arg(QString::number(m_failedJobs.count()), QString::number(m_failedJobs.count() + m_succeededJobs.count() + m_skippedJobs.count()), QString::number(m_skippedJobs.count())));
 637                         }
 638                         else
 639                         {
 640                                 SET_PROGRESS_TEXT(tr("Error: %1 of %2 files failed. Double-click failed items for detailed information!").arg(QString::number(m_failedJobs.count()), QString::number(m_failedJobs.count() + m_succeededJobs.count())));
 641                         }
 642                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 643                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 644                         QApplication::processEvents();
 645                         if(m_settings->soundsEnabled()) PlaySound(MAKEINTRESOURCE(IDR_WAVE_ERROR), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 646                 }
 647                 else
 648                 {
 649                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#E0FFE2"));
 650                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 651                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 652                         if(m_skippedJobs.count() > 0)
 653                         {
 654                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %1 files.").arg(QString::number(m_skippedJobs.count())));
 655                         }
 656                         else
 657                         {
 658                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 659                         }
 660                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 661                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 662                         QApplication::processEvents();
 663                         if(m_settings->soundsEnabled()) PlaySound(MAKEINTRESOURCE(IDR_WAVE_SUCCESS), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
 664                 }
 665         }
 666
 667         setCloseButtonEnabled(true);
 668         ui->button_closeDialog->setEnabled(true);
 669         ui->button_AbortProcess->setEnabled(false);
 670         ui->checkBox_shutdownComputer->setEnabled(false);
 671
 672         m_progressModel->restoreHiddenItems();
 673         ui->view_log->scrollToBottom();
 674         m_progressIndicator->stop();
 675         ui->progressBar->setValue(ui->progressBar->maximum());
 676         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 677
 678         QApplication::restoreOverrideCursor();
 679
 680         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 681         {
 682                 if(shutdownComputer())
 683                 {
 684                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 685                         accept();
 686                 }
 687         }
 688 }
 689
 690 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 691 {
 692         if(success > 0)
 693         {
 694                 m_playList.insert(jobId, outFileName);
 695                 m_succeededJobs.append(jobId);
 696         }
 697         else if(success < 0)
 698         {
 699                 m_playList.insert(jobId, outFileName);
 700                 m_skippedJobs.append(jobId);
 701         }
 702         else
 703         {
 704                 m_failedJobs.append(jobId);
 705         }
 706
 707         //Update filter as soon as a job finished!
 708         if(m_progressViewFilter >= 0)
 709         {
 710                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 711         }
 712 }
 713
 714 void ProcessingDialog::progressModelChanged(void)
 715 {
 716         //Update filter as soon as the model changes!
 717         if(m_progressViewFilter >= 0)
 718         {
 719                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 720         }
 721
 722         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 723 }
 724
 725 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 726 {
 727         if(m_runningThreads == 0)
 728         {
 729                 const QStringList &logFile = m_progressModel->getLogFile(index);
 730
 731                 if(!logFile.isEmpty())
 732                 {
 733                         LogViewDialog *logView = new LogViewDialog(this);
 734                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 735                         logView->exec(logFile);
 736                         LAMEXP_DELETE(logView);
 737                 }
 738                 else
 739                 {
 740                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 741                 }
 742         }
 743         else
 744         {
 745                 MessageBeep(MB_ICONWARNING);
 746         }
 747 }
 748
 749 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 750 {
 751         if(logicalIndex == 1)
 752         {
 753                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 754                 {
 755                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 756                 }
 757         }
 758 }
 759
 760 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 761 {
 762         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 763         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 764
 765         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 766         {
 767                 m_contextMenu->popup(sender->mapToGlobal(pos));
 768         }
 769 }
 770
 771 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 772 {
 773         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 774         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 775 }
 776
 777 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 778 {
 779         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 780         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 781         QString filePath = m_playList.value(jobId, QString());
 782
 783         if(filePath.isEmpty())
 784         {
 785                 MessageBeep(MB_ICONWARNING);
 786                 return;
 787         }
 788
 789         if(QFileInfo(filePath).exists())
 790         {
 791                 QString systemRootPath;
 792
 793                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 794                 if(systemRoot.exists() && systemRoot.cdUp())
 795                 {
 796                         systemRootPath = systemRoot.canonicalPath();
 797                 }
 798
 799                 if(!systemRootPath.isEmpty())
 800                 {
 801                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 802                         if(explorer.exists() && explorer.isFile())
 803                         {
 804                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 805                                 return;
 806                         }
 807                 }
 808                 else
 809                 {
 810                         qWarning("SystemRoot directory could not be detected!");
 811                 }
 812         }
 813         else
 814         {
 815                 qWarning("File not found: %s", filePath.toLatin1().constData());
 816                 MessageBeep(MB_ICONERROR);
 817         }
 818 }
 819
 820 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 821 {
 822         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 823         {
 824                 if(action->data().type() == QVariant::Int)
 825                 {
 826                         m_progressViewFilter = action->data().toInt();
 827                         progressViewFilterChanged();
 828                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 829                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 830                         action->setChecked(true);
 831                 }
 832         }
 833 }
 834
 835 /*
 836  * Filter progress items
 837  */
 838 void ProcessingDialog::progressViewFilterChanged(void)
 839 {
 840         bool matchFound = false;
 841
 842         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 843         {
 844                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 845                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 846                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 847         }
 848
 849         if((m_progressViewFilter >= 0) && (!matchFound))
 850         {
 851                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 852                 {
 853                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 854                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 855                         m_filterInfoLabel->show();
 856                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 857                         m_filterInfoLabelIcon->show();
 858                         resizeEvent(NULL);
 859                 }
 860         }
 861         else if(!m_filterInfoLabel->isHidden())
 862         {
 863                 m_filterInfoLabel->hide();
 864                 m_filterInfoLabelIcon->hide();
 865         }
 866 }
 867
 868 ////////////////////////////////////////////////////////////
 869 // Private Functions
 870 ////////////////////////////////////////////////////////////
 871
 872 void ProcessingDialog::startNextJob(void)
 873 {
 874         if(m_pendingJobs.isEmpty())
 875         {
 876                 return;
 877         }
 878
 879         m_currentFile++;
 880         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 881         bool nativeResampling = false;
 882
 883         //Create encoder instance
 884         AbstractEncoder *encoder = makeEncoder(&nativeResampling);
 885
 886         //Create processing thread
 887         ProcessThread *thread = new ProcessThread
 888         (
 889                 currentFile,
 890                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 891                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : lamexp_temp_folder2()),
 892                 encoder,
 893                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 894         );
 895
 896         //Add audio filters
 897         if(m_settings->forceStereoDownmix())
 898         {
 899                 thread->addFilter(new DownmixFilter());
 900         }
 901         if((m_settings->samplingRate() > 0) && !nativeResampling)
 902         {
 903                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.formatAudioSamplerate() || currentFile.formatAudioSamplerate() == 0)
 904                 {
 905                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 906                 }
 907         }
 908         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 909         {
 910                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 911         }
 912         if(m_settings->normalizationFilterEnabled())
 913         {
 914                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEqualizationMode()));
 915         }
 916         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 917         {
 918                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 919         }
 920         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 921         {
 922                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 923         }
 924
 925         m_threadList.append(thread);
 926         m_allJobs.append(thread->getId());
 927
 928         //Connect thread signals
 929         connect(thread, SIGNAL(finished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 930         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 931         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 932         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 933         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 934
 935         //Give it a go!
 936         m_runningThreads++;
 937         thread->start();
 938
 939         //Give thread some advance
 940         for(unsigned int i = 0; i < MAX_INSTANCES; i++)
 941         {
 942                 QThread::yieldCurrentThread();
 943         }
 944 }
 945
 946 AbstractEncoder *ProcessingDialog::makeEncoder(bool *nativeResampling)
 947 {
 948         AbstractEncoder *encoder =  NULL;
 949         *nativeResampling = false;
 950
 951         switch(m_settings->compressionEncoder())
 952         {
 953         case SettingsModel::MP3Encoder:
 954                 {
 955                         MP3Encoder *mp3Encoder = new MP3Encoder();
 956                         mp3Encoder->setBitrate(m_settings->compressionBitrate());
 957                         mp3Encoder->setRCMode(m_settings->compressionRCMode());
 958                         mp3Encoder->setAlgoQuality(m_settings->lameAlgoQuality());
 959                         if(m_settings->bitrateManagementEnabled())
 960                         {
 961                                 mp3Encoder->setBitrateLimits(m_settings->bitrateManagementMinRate(), m_settings->bitrateManagementMaxRate());
 962                         }
 963                         if(m_settings->samplingRate() > 0)
 964                         {
 965                                 mp3Encoder->setSamplingRate(SettingsModel::samplingRates[m_settings->samplingRate()]);
 966                                 *nativeResampling = true;
 967                         }
 968                         mp3Encoder->setChannelMode(m_settings->lameChannelMode());
 969                         mp3Encoder->setCustomParams(m_settings->customParametersLAME());
 970                         encoder = mp3Encoder;
 971                 }
 972                 break;
 973         case SettingsModel::VorbisEncoder:
 974                 {
 975                         VorbisEncoder *vorbisEncoder = new VorbisEncoder();
 976                         vorbisEncoder->setBitrate(m_settings->compressionBitrate());
 977                         vorbisEncoder->setRCMode(m_settings->compressionRCMode());
 978                         if(m_settings->bitrateManagementEnabled())
 979                         {
 980                                 vorbisEncoder->setBitrateLimits(m_settings->bitrateManagementMinRate(), m_settings->bitrateManagementMaxRate());
 981                         }
 982                         if(m_settings->samplingRate() > 0)
 983                         {
 984                                 vorbisEncoder->setSamplingRate(SettingsModel::samplingRates[m_settings->samplingRate()]);
 985                                 *nativeResampling = true;
 986                         }
 987                         vorbisEncoder->setCustomParams(m_settings->customParametersOggEnc());
 988                         encoder = vorbisEncoder;
 989                 }
 990                 break;
 991         case SettingsModel::AACEncoder:
 992                 {
 993                         if(lamexp_check_tool("qaac.exe") && lamexp_check_tool("libsoxrate.dll"))
 994                         {
 995                                 QAACEncoder *aacEncoder = new QAACEncoder();
 996                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
 997                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
 998                                 aacEncoder->setProfile(m_settings->aacEncProfile());
 999                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
1000                                 encoder = aacEncoder;
1001                         }
1002                         else if(lamexp_check_tool("fhgaacenc.exe") && lamexp_check_tool("enc_fhgaac.dll"))
1003                         {
1004                                 FHGAACEncoder *aacEncoder = new FHGAACEncoder();
1005                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
1006                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
1007                                 aacEncoder->setProfile(m_settings->aacEncProfile());
1008                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
1009                                 encoder = aacEncoder;
1010                         }
1011                         else
1012                         {
1013                                 AACEncoder *aacEncoder = new AACEncoder();
1014                                 aacEncoder->setBitrate(m_settings->compressionBitrate());
1015                                 aacEncoder->setRCMode(m_settings->compressionRCMode());
1016                                 aacEncoder->setEnable2Pass(m_settings->neroAACEnable2Pass());
1017                                 aacEncoder->setProfile(m_settings->aacEncProfile());
1018                                 aacEncoder->setCustomParams(m_settings->customParametersAacEnc());
1019                                 encoder = aacEncoder;
1020                         }
1021                 }
1022                 break;
1023         case SettingsModel::AC3Encoder:
1024                 {
1025                         AC3Encoder *ac3Encoder = new AC3Encoder();
1026                         ac3Encoder->setBitrate(m_settings->compressionBitrate());
1027                         ac3Encoder->setRCMode(m_settings->compressionRCMode());
1028                         ac3Encoder->setCustomParams(m_settings->customParametersAften());
1029                         ac3Encoder->setAudioCodingMode(m_settings->aftenAudioCodingMode());
1030                         ac3Encoder->setDynamicRangeCompression(m_settings->aftenDynamicRangeCompression());
1031                         ac3Encoder->setExponentSearchSize(m_settings->aftenExponentSearchSize());
1032                         ac3Encoder->setFastBitAllocation(m_settings->aftenFastBitAllocation());
1033                         encoder = ac3Encoder;
1034                 }
1035                 break;
1036         case SettingsModel::FLACEncoder:
1037                 {
1038                         FLACEncoder *flacEncoder = new FLACEncoder();
1039                         flacEncoder->setBitrate(m_settings->compressionBitrate());
1040                         flacEncoder->setRCMode(m_settings->compressionRCMode());
1041                         flacEncoder->setCustomParams(m_settings->customParametersFLAC());
1042                         encoder = flacEncoder;
1043                 }
1044                 break;
1045         case SettingsModel::OpusEncoder:
1046                 {
1047                         OpusEncoder *opusEncoder = new OpusEncoder();
1048                         opusEncoder->setBitrate(m_settings->compressionBitrate());
1049                         opusEncoder->setRCMode(m_settings->compressionRCMode());
1050                         opusEncoder->setOptimizeFor(m_settings->opusOptimizeFor());
1051                         opusEncoder->setEncodeComplexity(m_settings->opusComplexity());
1052                         opusEncoder->setFrameSize(m_settings->opusFramesize());
1053                         opusEncoder->setCustomParams(m_settings->customParametersOpus());
1054                         encoder = opusEncoder;
1055                 }
1056                 break;  case SettingsModel::DCAEncoder:
1057                 {
1058                         DCAEncoder *dcaEncoder = new DCAEncoder();
1059                         dcaEncoder->setBitrate(m_settings->compressionBitrate());
1060                         dcaEncoder->setRCMode(m_settings->compressionRCMode());
1061                         encoder = dcaEncoder;
1062                 }
1063                 break;
1064         case SettingsModel::PCMEncoder:
1065                 {
1066                         WaveEncoder *waveEncoder = new WaveEncoder();
1067                         waveEncoder->setBitrate(m_settings->compressionBitrate());
1068                         waveEncoder->setRCMode(m_settings->compressionRCMode());
1069                         encoder = waveEncoder;
1070                 }
1071                 break;
1072         default:
1073                 throw "Unsupported encoder!";
1074         }
1075
1076         return encoder;
1077 }
1078
1079 void ProcessingDialog::writePlayList(void)
1080 {
1081         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
1082         {
1083                 qWarning("WritePlayList: Nothing to do!");
1084                 return;
1085         }
1086
1087         //Init local variables
1088         QStringList list;
1089         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
1090         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
1091         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
1092         bool usePrefix[3] = {true, true, true};
1093         bool useUtf8 = false;
1094         int counter = 1;
1095
1096         //Generate playlist name
1097         QString playListName = (m_metaInfo->fileAlbum().isEmpty() ? "Playlist" : m_metaInfo->fileAlbum());
1098         if(!m_metaInfo->fileArtist().isEmpty())
1099         {
1100                 playListName = QString("%1 - %2").arg(m_metaInfo->fileArtist(), playListName);
1101         }
1102
1103         //Clean playlist name
1104         playListName = lamexp_clean_filename(playListName);
1105
1106         //Create list of audio files
1107         for(int i = 0; i < m_allJobs.count(); i++)
1108         {
1109                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
1110                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
1111         }
1112
1113         //Use prefix?
1114         for(int i = 0; i < list.count(); i++)
1115         {
1116                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1117                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1118                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1119         }
1120         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1121         {
1122                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1123         }
1124
1125         //Do we need an UTF-8 playlist?
1126         for(int i = 0; i < list.count(); i++)
1127         {
1128                 if(wcscmp(QWCHAR(QString::fromLatin1(list.at(i).toLatin1().constData())), QWCHAR(list.at(i))))
1129                 {
1130                         useUtf8 = true;
1131                         break;
1132                 }
1133         }
1134
1135         //Generate playlist output file
1136         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1137         while(QFileInfo(playListFile).exists())
1138         {
1139                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1140         }
1141
1142         //Now write playlist to output file
1143         QFile playList(playListFile);
1144         if(playList.open(QIODevice::WriteOnly))
1145         {
1146                 if(useUtf8)
1147                 {
1148                         playList.write("\xef\xbb\xbf");
1149                 }
1150                 playList.write("#EXTM3U\r\n");
1151                 while(!list.isEmpty())
1152                 {
1153                         playList.write(useUtf8 ? list.takeFirst().toUtf8().constData() : list.takeFirst().toLatin1().constData());
1154                         playList.write("\r\n");
1155                 }
1156                 playList.close();
1157         }
1158         else
1159         {
1160                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1161         }
1162 }
1163
1164 AudioFileModel ProcessingDialog::updateMetaInfo(const AudioFileModel &audioFile)
1165 {
1166         if(!m_settings->writeMetaTags())
1167         {
1168                 return AudioFileModel(audioFile, false);
1169         }
1170
1171         AudioFileModel result = audioFile;
1172         result.updateMetaInfo(*m_metaInfo);
1173
1174         if(m_metaInfo->filePosition() == UINT_MAX)
1175         {
1176                 result.setFilePosition(m_currentFile);
1177         }
1178
1179         return result;
1180 }
1181
1182 void ProcessingDialog::setCloseButtonEnabled(bool enabled)
1183 {
1184         HMENU hMenu = GetSystemMenu((HWND) winId(), FALSE);
1185         EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | (enabled ? MF_ENABLED : MF_GRAYED));
1186 }
1187
1188 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1189 {
1190         if(reason == QSystemTrayIcon::DoubleClick)
1191         {
1192                 SetForegroundWindow(reinterpret_cast<HWND>(this->winId()));
1193         }
1194 }
1195
1196 void ProcessingDialog::cpuUsageHasChanged(const double val)
1197 {
1198
1199         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1200         UPDATE_MIN_WIDTH(ui->label_cpu);
1201 }
1202
1203 void ProcessingDialog::ramUsageHasChanged(const double val)
1204 {
1205
1206         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1207         UPDATE_MIN_WIDTH(ui->label_ram);
1208 }
1209
1210 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1211 {
1212         int postfix = 0;
1213         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1214         double space = static_cast<double>(val);
1215
1216         while((space >= 1000.0) && (postfix < 5))
1217         {
1218                 space = space / 1024.0;
1219                 postfix++;
1220         }
1221
1222         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1223         UPDATE_MIN_WIDTH(ui->label_disk);
1224 }
1225
1226 bool ProcessingDialog::shutdownComputer(void)
1227 {
1228         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1229         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1230         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1231
1232         qWarning("Initiating shutdown sequence!");
1233
1234         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1235         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1236         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1237         progressDialog.setModal(true);
1238         progressDialog.setAutoClose(false);
1239         progressDialog.setAutoReset(false);
1240         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1241         progressDialog.setCancelButton(cancelButton);
1242         progressDialog.show();
1243
1244         QApplication::processEvents();
1245
1246         if(m_settings->soundsEnabled())
1247         {
1248                 QApplication::setOverrideCursor(Qt::WaitCursor);
1249                 PlaySound(MAKEINTRESOURCE(IDR_WAVE_SHUTDOWN), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
1250                 QApplication::restoreOverrideCursor();
1251         }
1252
1253         QTimer timer;
1254         timer.setInterval(1000);
1255         timer.start();
1256
1257         QEventLoop eventLoop(this);
1258         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1259         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1260
1261         for(int i = 1; i <= iTimeout; i++)
1262         {
1263                 eventLoop.exec();
1264                 if(progressDialog.wasCanceled())
1265                 {
1266                         progressDialog.close();
1267                         return false;
1268                 }
1269                 progressDialog.setValue(i+1);
1270                 progressDialog.setLabelText(text.arg(iTimeout-i));
1271                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1272                 QApplication::processEvents();
1273                 PlaySound(MAKEINTRESOURCE((i < iTimeout) ? IDR_WAVE_BEEP : IDR_WAVE_BEEP_LONG), GetModuleHandle(NULL), SND_RESOURCE | SND_SYNC);
1274         }
1275
1276         progressDialog.close();
1277         return true;
1278 }
1279
1280 QString ProcessingDialog::time2text(const double timeVal) const
1281 {
1282         double intPart = 0;
1283         double frcPart = modf(timeVal, &intPart);
1284         int x = 0, y = 0; QString a, b;
1285
1286         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1287
1288         if(time.hour() > 0)
1289         {
1290                 x = time.hour();   a = tr("hour(s)");
1291                 y = time.minute(); b = tr("minute(s)");
1292         }
1293         else if(time.minute() > 0)
1294         {
1295                 x = time.minute(); a = tr("minute(s)");
1296                 y = time.second(); b = tr("second(s)");
1297         }
1298         else
1299         {
1300                 x = time.second(); a = tr("second(s)");
1301                 y = time.msec();   b = tr("millisecond(s)");
1302         }
1303
1304         return QString("%1 %2, %3 %4").arg(QString::number(x), a, QString::number(y), b);
1305 }
1306
1307 ////////////////////////////////////////////////////////////
1308 // HELPER FUNCTIONS
1309 ////////////////////////////////////////////////////////////
1310
1311 static int cores2instances(int cores)
1312 {
1313         //This function is a "cubic spline" with sampling points at:
1314         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1315         static const double LUT[8][5] =
1316         {
1317                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1318                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1319                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1320                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1321                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1322                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1323                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1324                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1325         };
1326
1327         double x = abs(static_cast<double>(cores)), y = 1.0;
1328
1329         for(size_t i = 0; i < 7; i++)
1330         {
1331                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1332                 {
1333                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1334                         break;
1335                 }
1336         }
1337
1338         return qRound(y);
1339 }