src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_Processing.h"
  24
  25 //UIC includes
  26 #include "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 "Thread_Process.h"
  34 #include "Thread_CPUObserver.h"
  35 #include "Thread_RAMObserver.h"
  36 #include "Thread_DiskObserver.h"
  37 #include "Dialog_LogView.h"
  38 #include "Registry_Decoder.h"
  39 #include "Registry_Encoder.h"
  40 #include "Filter_Downmix.h"
  41 #include "Filter_Normalize.h"
  42 #include "Filter_Resample.h"
  43 #include "Filter_ToneAdjust.h"
  44 #include "WinSevenTaskbar.h"
  45
  46 //MUtils
  47 #include <MUtils/Global.h>
  48
  49 //Qt
  50 #include <QApplication>
  51 #include <QRect>
  52 #include <QDesktopWidget>
  53 #include <QMovie>
  54 #include <QMessageBox>
  55 #include <QTimer>
  56 #include <QCloseEvent>
  57 #include <QDesktopServices>
  58 #include <QUrl>
  59 #include <QUuid>
  60 #include <QFileInfo>
  61 #include <QDir>
  62 #include <QMenu>
  63 #include <QSystemTrayIcon>
  64 #include <QProcess>
  65 #include <QProgressDialog>
  66 #include <QResizeEvent>
  67 #include <QTime>
  68 #include <QThreadPool>
  69
  70 #include <math.h>
  71 #include <float.h>
  72
  73 ////////////////////////////////////////////////////////////
  74
  75 //Maximum number of parallel instances
  76 #define MAX_INSTANCES 16U
  77
  78 //Function to calculate the number of instances
  79 static int cores2instances(int cores);
  80
  81 ////////////////////////////////////////////////////////////
  82
  83 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  84 { \
  85         QPalette palette = WIDGET->palette(); \
  86         palette.setColor(QPalette::Background, COLOR); \
  87         WIDGET->setPalette(palette); \
  88 } \
  89 while(0)
  90
  91 #define SET_PROGRESS_TEXT(TXT) do \
  92 { \
  93         ui->label_progress->setText(TXT); \
  94         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  95 } \
  96 while(0)
  97
  98 #define SET_FONT_BOLD(WIDGET,BOLD) do \
  99 { \
 100         QFont _font = WIDGET->font(); \
 101         _font.setBold(BOLD); WIDGET->setFont(_font); \
 102 } \
 103 while(0)
 104
 105 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 106 { \
 107         QPalette _palette = WIDGET->palette(); \
 108         _palette.setColor(QPalette::WindowText, (COLOR)); \
 109         _palette.setColor(QPalette::Text, (COLOR)); \
 110         WIDGET->setPalette(_palette); \
 111 } \
 112 while(0)
 113
 114 #define UPDATE_MIN_WIDTH(WIDGET) do \
 115 { \
 116         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 117 } \
 118 while(0)
 119
 120 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 121 { \
 122         if(m_settings->soundsEnabled()) lamexp_play_sound((NAME), (ASYNC)); \
 123 } \
 124 while(0)
 125
 126 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 127
 128 ////////////////////////////////////////////////////////////
 129
 130 //Dummy class for UserData
 131 class IntUserData : public QObjectUserData
 132 {
 133 public:
 134         IntUserData(int value) : m_value(value) {/*NOP*/}
 135         int value(void) { return m_value; }
 136         void setValue(int value) { m_value = value; }
 137 private:
 138         int m_value;
 139 };
 140
 141 ////////////////////////////////////////////////////////////
 142 // Constructor
 143 ////////////////////////////////////////////////////////////
 144
 145 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, const AudioFileModel_MetaInfo *metaInfo, SettingsModel *settings, QWidget *parent)
 146 :
 147         QDialog(parent),
 148         ui(new Ui::ProcessingDialog),
 149         m_windowIcon(NULL),
 150         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 151         m_settings(settings),
 152         m_metaInfo(metaInfo),
 153         m_shutdownFlag(shutdownFlag_None),
 154         m_threadPool(NULL),
 155         m_diskObserver(NULL),
 156         m_cpuObserver(NULL),
 157         m_ramObserver(NULL),
 158         m_progressViewFilter(-1),
 159         m_initThreads(0),
 160         m_defaultColor(new QColor()),
 161         m_firstShow(true)
 162 {
 163         //Init the dialog, from the .ui file
 164         ui->setupUi(this);
 165         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 166
 167         //Update the window icon
 168         m_windowIcon = lamexp_set_window_icon(this, lamexp_app_icon(), true);
 169
 170         //Update header icon
 171         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 172
 173         //Setup version info
 174         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 175         ui->label_versionInfo->installEventFilter(this);
 176
 177         //Register meta type
 178         qRegisterMetaType<QUuid>("QUuid");
 179
 180         //Center window in screen
 181         QRect desktopRect = QApplication::desktop()->screenGeometry();
 182         QRect thisRect = this->geometry();
 183         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 184         setMinimumSize(thisRect.width(), thisRect.height());
 185
 186         //Enable buttons
 187         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 188
 189         //Init progress indicator
 190         m_progressIndicator = new QMovie(":/images/Working.gif");
 191         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 192         ui->label_headerWorking->setMovie(m_progressIndicator);
 193         ui->progressBar->setValue(0);
 194
 195         //Init progress model
 196         m_progressModel = new ProgressModel();
 197         ui->view_log->setModel(m_progressModel);
 198         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 199         ui->view_log->verticalHeader()->hide();
 200         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 201         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 202         ui->view_log->viewport()->installEventFilter(this);
 203         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 204         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 205         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 206         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 207         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 208         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 209
 210         //Create context menu
 211         m_contextMenu = new QMenu();
 212         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 213         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 214         m_contextMenu->addSeparator();
 215
 216         //Create "filter" context menu
 217         m_progressViewFilterGroup = new QActionGroup(this);
 218         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 219         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 220         {
 221                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 222                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 223                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 224                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 225                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 226                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 227                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 228                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 229                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 230                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 231         }
 232
 233         //Create info label
 234         if(m_filterInfoLabel = new QLabel(ui->view_log))
 235         {
 236                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 237                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 238                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 239                 SET_FONT_BOLD(m_filterInfoLabel, true);
 240                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 241                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 242                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 243                 m_filterInfoLabel->hide();
 244         }
 245         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 246         {
 247                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 248                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 249                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 250                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 251                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 252                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 253                 m_filterInfoLabelIcon->hide();
 254         }
 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         //Enque jobs
 268         if(fileListModel)
 269         {
 270                 for(int i = 0; i < fileListModel->rowCount(); i++)
 271                 {
 272                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 273                 }
 274         }
 275
 276         //Translate
 277         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 278
 279         //Enable system tray icon
 280         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 281
 282         //Init other vars
 283         m_runningThreads = 0;
 284         m_currentFile = 0;
 285         m_allJobs.clear();
 286         m_succeededJobs.clear();
 287         m_failedJobs.clear();
 288         m_skippedJobs.clear();
 289         m_userAborted = false;
 290         m_forcedAbort = false;
 291         m_timerStart = 0I64;
 292 }
 293
 294 ////////////////////////////////////////////////////////////
 295 // Destructor
 296 ////////////////////////////////////////////////////////////
 297
 298 ProcessingDialog::~ProcessingDialog(void)
 299 {
 300         ui->view_log->setModel(NULL);
 301
 302         if(m_progressIndicator)
 303         {
 304                 m_progressIndicator->stop();
 305         }
 306
 307         if(m_diskObserver)
 308         {
 309                 m_diskObserver->stop();
 310                 if(!m_diskObserver->wait(15000))
 311                 {
 312                         m_diskObserver->terminate();
 313                         m_diskObserver->wait();
 314                 }
 315         }
 316
 317         if(m_cpuObserver)
 318         {
 319                 m_cpuObserver->stop();
 320                 if(!m_cpuObserver->wait(15000))
 321                 {
 322                         m_cpuObserver->terminate();
 323                         m_cpuObserver->wait();
 324                 }
 325         }
 326
 327         if(m_ramObserver)
 328         {
 329                 m_ramObserver->stop();
 330                 if(!m_ramObserver->wait(15000))
 331                 {
 332                         m_ramObserver->terminate();
 333                         m_ramObserver->wait();
 334                 }
 335         }
 336
 337         if(m_threadPool)
 338         {
 339                 if(!m_threadPool->waitForDone(100))
 340                 {
 341                         emit abortRunningTasks();
 342                         m_threadPool->waitForDone();
 343                 }
 344         }
 345
 346         MUTILS_DELETE(m_progressIndicator);
 347         MUTILS_DELETE(m_systemTray);
 348         MUTILS_DELETE(m_diskObserver);
 349         MUTILS_DELETE(m_cpuObserver);
 350         MUTILS_DELETE(m_ramObserver);
 351         MUTILS_DELETE(m_progressViewFilterGroup);
 352         MUTILS_DELETE(m_filterInfoLabel);
 353         MUTILS_DELETE(m_filterInfoLabelIcon);
 354         MUTILS_DELETE(m_contextMenu);
 355         MUTILS_DELETE(m_progressModel);
 356         MUTILS_DELETE(m_threadPool);
 357         MUTILS_DELETE(m_defaultColor);
 358
 359         WinSevenTaskbar::setOverlayIcon(this, NULL);
 360         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 361
 362         if(m_windowIcon)
 363         {
 364                 lamexp_free_window_icon(m_windowIcon);
 365                 m_windowIcon = NULL;
 366         }
 367
 368         MUTILS_DELETE(ui);
 369 }
 370
 371 ////////////////////////////////////////////////////////////
 372 // EVENTS
 373 ////////////////////////////////////////////////////////////
 374
 375 void ProcessingDialog::showEvent(QShowEvent *event)
 376 {
 377         QDialog::showEvent(event);
 378
 379         if(m_firstShow)
 380         {
 381                 static const char *NA = " N/A";
 382
 383                 lamexp_enable_close_button(this, false);
 384                 ui->button_closeDialog->setEnabled(false);
 385                 ui->button_AbortProcess->setEnabled(false);
 386                 m_progressIndicator->start();
 387                 m_systemTray->setVisible(true);
 388
 389                 lamexp_change_process_priority(1);
 390
 391                 ui->label_cpu->setText(NA);
 392                 ui->label_disk->setText(NA);
 393                 ui->label_ram->setText(NA);
 394
 395                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 396                 m_firstShow = false;
 397         }
 398
 399         //Force update geometry
 400         resizeEvent(NULL);
 401 }
 402
 403 void ProcessingDialog::closeEvent(QCloseEvent *event)
 404 {
 405         if(!ui->button_closeDialog->isEnabled())
 406         {
 407                 event->ignore();
 408         }
 409         else
 410         {
 411                 m_systemTray->setVisible(false);
 412         }
 413 }
 414
 415 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 416 {
 417         if(obj == ui->label_versionInfo)
 418         {
 419                 if(event->type() == QEvent::Enter)
 420                 {
 421                         QPalette palette = ui->label_versionInfo->palette();
 422                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 423                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 424                         ui->label_versionInfo->setPalette(palette);
 425                 }
 426                 else if(event->type() == QEvent::Leave)
 427                 {
 428                         QPalette palette = ui->label_versionInfo->palette();
 429                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 430                         ui->label_versionInfo->setPalette(palette);
 431                 }
 432                 else if(event->type() == QEvent::MouseButtonPress)
 433                 {
 434                         QUrl url(lamexp_website_url());
 435                         QDesktopServices::openUrl(url);
 436                 }
 437         }
 438
 439         return false;
 440 }
 441
 442 bool ProcessingDialog::event(QEvent *e)
 443 {
 444         switch(e->type())
 445         {
 446         case lamexp_event_queryendsession:
 447                 qWarning("System is shutting down, preparing to abort...");
 448                 if(!m_userAborted) abortEncoding(true);
 449                 return true;
 450         case lamexp_event_endsession:
 451                 qWarning("System is shutting down, encoding will be aborted now...");
 452                 if(isVisible())
 453                 {
 454                         while(!close())
 455                         {
 456                                 if(!m_userAborted) abortEncoding(true);
 457                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 458                         }
 459                 }
 460                 m_pendingJobs.clear();
 461                 return true;
 462         default:
 463                 return QDialog::event(e);
 464         }
 465 }
 466
 467 /*
 468  * Window was resized
 469  */
 470 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 471 {
 472         if(event) QDialog::resizeEvent(event);
 473
 474         if(QWidget *port = ui->view_log->viewport())
 475         {
 476                 QRect geom = port->geometry();
 477                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 478                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 479         }
 480 }
 481
 482 bool ProcessingDialog::winEvent(MSG *message, long *result)
 483 {
 484         return WinSevenTaskbar::handleWinEvent(message, result);
 485 }
 486
 487 ////////////////////////////////////////////////////////////
 488 // SLOTS
 489 ////////////////////////////////////////////////////////////
 490
 491 void ProcessingDialog::initEncoding(void)
 492 {
 493         qDebug("Initializing encoding process...");
 494
 495         m_runningThreads = 0;
 496         m_currentFile = 0;
 497         m_allJobs.clear();
 498         m_succeededJobs.clear();
 499         m_failedJobs.clear();
 500         m_skippedJobs.clear();
 501         m_userAborted = false;
 502         m_forcedAbort = false;
 503         m_playList.clear();
 504
 505         DecoderRegistry::configureDecoders(m_settings);
 506
 507         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 508         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 509
 510         ui->button_closeDialog->setEnabled(false);
 511         ui->button_AbortProcess->setEnabled(true);
 512         ui->progressBar->setRange(0, m_pendingJobs.count());
 513         ui->checkBox_shutdownComputer->setEnabled(true);
 514         ui->checkBox_shutdownComputer->setChecked(false);
 515
 516         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 517         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 518         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 519
 520         if(!m_diskObserver)
 521         {
 522                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder());
 523                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 524                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 525                 m_diskObserver->start();
 526         }
 527         if(!m_cpuObserver)
 528         {
 529                 m_cpuObserver = new CPUObserverThread();
 530                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 531                 m_cpuObserver->start();
 532         }
 533         if(!m_ramObserver)
 534         {
 535                 m_ramObserver = new RAMObserverThread();
 536                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 537                 m_ramObserver->start();
 538         }
 539
 540         if(!m_threadPool)
 541         {
 542                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 543                 if(maximumInstances < 1)
 544                 {
 545                         lamexp_cpu_t cpuFeatures = lamexp_detect_cpu_features(lamexp_arguments());
 546                         maximumInstances = cores2instances(qBound(1, cpuFeatures.count, 64));
 547                 }
 548
 549                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 550                 if(maximumInstances > 1)
 551                 {
 552                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 553                 }
 554
 555                 m_threadPool = new QThreadPool();
 556                 m_threadPool->setMaxThreadCount(maximumInstances);
 557         }
 558
 559         //for(int i = 0; i < m_threadPool->maxThreadCount(); i++)
 560         //{
 561         //      startNextJob();
 562         //      qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 563         //      QThread::yieldCurrentThread();
 564         //}
 565
 566         m_initThreads = m_threadPool->maxThreadCount();
 567         QTimer::singleShot(100, this, SLOT(initNextJob()));
 568         m_timerStart = lamexp_perfcounter_value();
 569 }
 570
 571 void ProcessingDialog::initNextJob(void)
 572 {
 573         if((m_initThreads > 0) && (!m_userAborted))
 574         {
 575                 startNextJob();
 576                 if(--m_initThreads > 0)
 577                 {
 578                         QTimer::singleShot(100, this, SLOT(initNextJob()));
 579                 }
 580         }
 581 }
 582
 583 void ProcessingDialog::startNextJob(void)
 584 {
 585         if(m_pendingJobs.isEmpty())
 586         {
 587                 qWarning("No more files left, unable to start another job!");
 588                 return;
 589         }
 590
 591         m_currentFile++;
 592         m_runningThreads++;
 593
 594         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 595         bool nativeResampling = false;
 596
 597         //Create encoder instance
 598         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 599
 600         //Create processing thread
 601         ProcessThread *thread = new ProcessThread
 602         (
 603                 currentFile,
 604                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 605                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()),
 606                 encoder,
 607                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 608         );
 609
 610         //Add audio filters
 611         if(m_settings->forceStereoDownmix())
 612         {
 613                 thread->addFilter(new DownmixFilter());
 614         }
 615         if((m_settings->samplingRate() > 0) && !nativeResampling)
 616         {
 617                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 618                 {
 619                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 620                 }
 621         }
 622         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 623         {
 624                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 625         }
 626         if(m_settings->normalizationFilterEnabled())
 627         {
 628                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 629         }
 630         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 631         {
 632                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 633         }
 634         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 635         {
 636                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 637         }
 638
 639         m_allJobs.append(thread->getId());
 640
 641         //Connect thread signals
 642         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 643         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 644         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 645         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 646         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 647         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 648
 649         //Initialize thread object
 650         if(!thread->init())
 651         {
 652                 qFatal("Fatal Error: Thread initialization has failed!");
 653         }
 654
 655         //Give it a go!
 656         if(!thread->start(m_threadPool))
 657         {
 658                 qWarning("Job failed to start or file was skipped!");
 659         }
 660 }
 661
 662 void ProcessingDialog::abortEncoding(bool force)
 663 {
 664         m_userAborted = true;
 665         if(force) m_forcedAbort = true;
 666         ui->button_AbortProcess->setEnabled(false);
 667         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 668         emit abortRunningTasks();
 669 }
 670
 671 void ProcessingDialog::doneEncoding(void)
 672 {
 673         m_runningThreads--;
 674         ui->progressBar->setValue(ui->progressBar->value() + 1);
 675
 676         if(!m_userAborted)
 677         {
 678                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 679                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 680         }
 681
 682         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 683         {
 684                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 685                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 686                 return;
 687         }
 688
 689         if(m_runningThreads > 0)
 690         {
 691                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 692                 return;
 693         }
 694
 695         QApplication::setOverrideCursor(Qt::WaitCursor);
 696         qDebug("Running jobs: %u", m_runningThreads);
 697
 698         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 699         {
 700                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 701                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 702                 writePlayList();
 703         }
 704
 705         if(m_userAborted)
 706         {
 707                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 708                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 709                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 710                 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!"));
 711                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 712                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 713                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 714                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 715         }
 716         else
 717         {
 718                 const __int64 counter = lamexp_perfcounter_value();
 719                 const __int64 frequency  = lamexp_perfcounter_frequ();
 720                 if((counter >= 0I64) && (frequency >= 0))
 721                 {
 722                         if((m_timerStart >= 0I64) && (m_timerStart < counter))
 723                         {
 724                                 double timeElapsed = static_cast<double>(counter - m_timerStart) / static_cast<double>(frequency);
 725                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 726                         }
 727                 }
 728
 729                 if(m_failedJobs.count() > 0)
 730                 {
 731                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 732                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 733                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 734                         if(m_skippedJobs.count() > 0)
 735                         {
 736                                 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())));
 737                         }
 738                         else
 739                         {
 740                                 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())));
 741                         }
 742                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 743                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 744                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 745                         PLAY_SOUND_OPTIONAL("error", false);
 746                 }
 747                 else
 748                 {
 749                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 750                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 751                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 752                         if(m_skippedJobs.count() > 0)
 753                         {
 754                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 755                         }
 756                         else
 757                         {
 758                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 759                         }
 760                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 761                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 762                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 763                         PLAY_SOUND_OPTIONAL("success", false);
 764                 }
 765         }
 766
 767         lamexp_enable_close_button(this, true);
 768         ui->button_closeDialog->setEnabled(true);
 769         ui->button_AbortProcess->setEnabled(false);
 770         ui->checkBox_shutdownComputer->setEnabled(false);
 771
 772         m_progressModel->restoreHiddenItems();
 773         ui->view_log->scrollToBottom();
 774         m_progressIndicator->stop();
 775         ui->progressBar->setValue(ui->progressBar->maximum());
 776         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 777
 778         QApplication::restoreOverrideCursor();
 779
 780         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 781         {
 782                 if(shutdownComputer())
 783                 {
 784                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 785                         accept();
 786                 }
 787         }
 788 }
 789
 790 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 791 {
 792         if(success > 0)
 793         {
 794                 m_playList.insert(jobId, outFileName);
 795                 m_succeededJobs.append(jobId);
 796         }
 797         else if(success < 0)
 798         {
 799                 m_playList.insert(jobId, outFileName);
 800                 m_skippedJobs.append(jobId);
 801         }
 802         else
 803         {
 804                 m_failedJobs.append(jobId);
 805         }
 806
 807         //Update filter as soon as a job finished!
 808         if(m_progressViewFilter >= 0)
 809         {
 810                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 811         }
 812 }
 813
 814 void ProcessingDialog::progressModelChanged(void)
 815 {
 816         //Update filter as soon as the model changes!
 817         if(m_progressViewFilter >= 0)
 818         {
 819                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 820         }
 821
 822         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 823 }
 824
 825 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 826 {
 827         if(m_runningThreads == 0)
 828         {
 829                 const QStringList &logFile = m_progressModel->getLogFile(index);
 830
 831                 if(!logFile.isEmpty())
 832                 {
 833                         LogViewDialog *logView = new LogViewDialog(this);
 834                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 835                         logView->exec(logFile);
 836                         MUTILS_DELETE(logView);
 837                 }
 838                 else
 839                 {
 840                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 841                 }
 842         }
 843         else
 844         {
 845                 lamexp_beep(lamexp_beep_warning);
 846         }
 847 }
 848
 849 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 850 {
 851         if(logicalIndex == 1)
 852         {
 853                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 854                 {
 855                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 856                 }
 857         }
 858 }
 859
 860 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 861 {
 862         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 863         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 864
 865         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 866         {
 867                 m_contextMenu->popup(sender->mapToGlobal(pos));
 868         }
 869 }
 870
 871 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 872 {
 873         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 874         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 875 }
 876
 877 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 878 {
 879         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 880         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 881         QString filePath = m_playList.value(jobId, QString());
 882
 883         if(filePath.isEmpty())
 884         {
 885                 lamexp_beep(lamexp_beep_warning);
 886                 return;
 887         }
 888
 889         if(QFileInfo(filePath).exists())
 890         {
 891                 QString systemRootPath;
 892
 893                 QDir systemRoot(lamexp_known_folder(lamexp_folder_systemfolder));
 894                 if(systemRoot.exists() && systemRoot.cdUp())
 895                 {
 896                         systemRootPath = systemRoot.canonicalPath();
 897                 }
 898
 899                 if(!systemRootPath.isEmpty())
 900                 {
 901                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 902                         if(explorer.exists() && explorer.isFile())
 903                         {
 904                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 905                                 return;
 906                         }
 907                 }
 908                 else
 909                 {
 910                         qWarning("SystemRoot directory could not be detected!");
 911                 }
 912         }
 913         else
 914         {
 915                 qWarning("File not found: %s", filePath.toLatin1().constData());
 916                 lamexp_beep(lamexp_beep_error);
 917         }
 918 }
 919
 920 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 921 {
 922         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 923         {
 924                 if(action->data().type() == QVariant::Int)
 925                 {
 926                         m_progressViewFilter = action->data().toInt();
 927                         progressViewFilterChanged();
 928                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 929                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 930                         action->setChecked(true);
 931                 }
 932         }
 933 }
 934
 935 /*
 936  * Filter progress items
 937  */
 938 void ProcessingDialog::progressViewFilterChanged(void)
 939 {
 940         bool matchFound = false;
 941
 942         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 943         {
 944                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 945                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 946                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 947         }
 948
 949         if((m_progressViewFilter >= 0) && (!matchFound))
 950         {
 951                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 952                 {
 953                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 954                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 955                         m_filterInfoLabel->show();
 956                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 957                         m_filterInfoLabelIcon->show();
 958                         resizeEvent(NULL);
 959                 }
 960         }
 961         else if(!m_filterInfoLabel->isHidden())
 962         {
 963                 m_filterInfoLabel->hide();
 964                 m_filterInfoLabelIcon->hide();
 965         }
 966 }
 967
 968 ////////////////////////////////////////////////////////////
 969 // Private Functions
 970 ////////////////////////////////////////////////////////////
 971
 972 void ProcessingDialog::writePlayList(void)
 973 {
 974         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 975         {
 976                 qWarning("WritePlayList: Nothing to do!");
 977                 return;
 978         }
 979
 980         //Init local variables
 981         QStringList list;
 982         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 983         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 984         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 985         bool usePrefix[3] = {true, true, true};
 986         bool useUtf8 = false;
 987         int counter = 1;
 988
 989         //Generate playlist name
 990         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 991         if(!m_metaInfo->artist().isEmpty())
 992         {
 993                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 994         }
 995
 996         //Clean playlist name
 997         playListName = lamexp_clean_filename(playListName);
 998
 999         //Create list of audio files
1000         for(int i = 0; i < m_allJobs.count(); i++)
1001         {
1002                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
1003                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
1004         }
1005
1006         //Use prefix?
1007         for(int i = 0; i < list.count(); i++)
1008         {
1009                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1010                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1011                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1012         }
1013         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1014         {
1015                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1016         }
1017
1018         //Do we need an UTF-8 playlist?
1019         for(int i = 0; i < list.count(); i++)
1020         {
1021                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1022                 {
1023                         useUtf8 = true;
1024                         break;
1025                 }
1026         }
1027
1028         //Generate playlist output file
1029         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1030         while(QFileInfo(playListFile).exists())
1031         {
1032                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1033         }
1034
1035         //Now write playlist to output file
1036         QFile playList(playListFile);
1037         if(playList.open(QIODevice::WriteOnly))
1038         {
1039                 if(useUtf8)
1040                 {
1041                         playList.write("\xef\xbb\xbf");
1042                 }
1043                 playList.write("#EXTM3U\r\n");
1044                 while(!list.isEmpty())
1045                 {
1046                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1047                         playList.write("\r\n");
1048                 }
1049                 playList.close();
1050         }
1051         else
1052         {
1053                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1054         }
1055 }
1056
1057 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1058 {
1059         if(!m_settings->writeMetaTags())
1060         {
1061                 audioFile.metaInfo().reset();
1062                 return audioFile;
1063         }
1064
1065         audioFile.metaInfo().update(*m_metaInfo, true);
1066
1067         if(audioFile.metaInfo().position() == UINT_MAX)
1068         {
1069                 audioFile.metaInfo().setPosition(m_currentFile);
1070         }
1071
1072         return audioFile;
1073 }
1074
1075 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1076 {
1077         if(reason == QSystemTrayIcon::DoubleClick)
1078         {
1079                 lamexp_bring_to_front(this);
1080         }
1081 }
1082
1083 void ProcessingDialog::cpuUsageHasChanged(const double val)
1084 {
1085
1086         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1087         UPDATE_MIN_WIDTH(ui->label_cpu);
1088 }
1089
1090 void ProcessingDialog::ramUsageHasChanged(const double val)
1091 {
1092
1093         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1094         UPDATE_MIN_WIDTH(ui->label_ram);
1095 }
1096
1097 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1098 {
1099         int postfix = 0;
1100         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1101         double space = static_cast<double>(val);
1102
1103         while((space >= 1000.0) && (postfix < 5))
1104         {
1105                 space = space / 1024.0;
1106                 postfix++;
1107         }
1108
1109         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1110         UPDATE_MIN_WIDTH(ui->label_disk);
1111 }
1112
1113 bool ProcessingDialog::shutdownComputer(void)
1114 {
1115         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1116         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1117         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1118
1119         qWarning("Initiating shutdown sequence!");
1120
1121         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1122         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1123         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1124         progressDialog.setModal(true);
1125         progressDialog.setAutoClose(false);
1126         progressDialog.setAutoReset(false);
1127         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1128         progressDialog.setCancelButton(cancelButton);
1129         progressDialog.show();
1130
1131         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1132
1133         QApplication::setOverrideCursor(Qt::WaitCursor);
1134         PLAY_SOUND_OPTIONAL("shutdown", false);
1135         QApplication::restoreOverrideCursor();
1136
1137         QTimer timer;
1138         timer.setInterval(1000);
1139         timer.start();
1140
1141         QEventLoop eventLoop(this);
1142         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1143         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1144
1145         for(int i = 1; i <= iTimeout; i++)
1146         {
1147                 eventLoop.exec();
1148                 if(progressDialog.wasCanceled())
1149                 {
1150                         progressDialog.close();
1151                         return false;
1152                 }
1153                 progressDialog.setValue(i+1);
1154                 progressDialog.setLabelText(text.arg(iTimeout-i));
1155                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1156                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1157                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1158         }
1159
1160         progressDialog.close();
1161         return true;
1162 }
1163
1164 QString ProcessingDialog::time2text(const double timeVal) const
1165 {
1166         double intPart = 0;
1167         double frcPart = modf(timeVal, &intPart);
1168
1169         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1170
1171         QString a, b;
1172
1173         if(time.hour() > 0)
1174         {
1175                 a = tr("%n hour(s)", "", time.hour());
1176                 b = tr("%n minute(s)", "", time.minute());
1177         }
1178         else if(time.minute() > 0)
1179         {
1180                 a = tr("%n minute(s)", "", time.minute());
1181                 b = tr("%n second(s)", "", time.second());
1182         }
1183         else
1184         {
1185                 a = tr("%n second(s)", "", time.second());
1186                 b = tr("%n millisecond(s)", "", time.msec());
1187         }
1188
1189         return QString("%1, %2").arg(a, b);
1190 }
1191
1192 ////////////////////////////////////////////////////////////
1193 // HELPER FUNCTIONS
1194 ////////////////////////////////////////////////////////////
1195
1196 static int cores2instances(int cores)
1197 {
1198         //This function is a "cubic spline" with sampling points at:
1199         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1200         static const double LUT[8][5] =
1201         {
1202                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1203                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1204                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1205                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1206                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1207                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1208                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1209                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1210         };
1211
1212         double x = abs(static_cast<double>(cores)), y = 1.0;
1213
1214         for(size_t i = 0; i < 7; i++)
1215         {
1216                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1217                 {
1218                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1219                         break;
1220                 }
1221         }
1222
1223         return qRound(y);
1224 }