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 #include <MUtils/OSSupport.h>
  49 #include <MUtils/GUI.h>
  50 #include <MUtils/CPUFeatures.h>
  51
  52 //Qt
  53 #include <QApplication>
  54 #include <QRect>
  55 #include <QDesktopWidget>
  56 #include <QMovie>
  57 #include <QMessageBox>
  58 #include <QTimer>
  59 #include <QCloseEvent>
  60 #include <QDesktopServices>
  61 #include <QUrl>
  62 #include <QUuid>
  63 #include <QFileInfo>
  64 #include <QDir>
  65 #include <QMenu>
  66 #include <QSystemTrayIcon>
  67 #include <QProcess>
  68 #include <QProgressDialog>
  69 #include <QResizeEvent>
  70 #include <QTime>
  71 #include <QThreadPool>
  72
  73 #include <math.h>
  74 #include <float.h>
  75
  76 ////////////////////////////////////////////////////////////
  77
  78 //Maximum number of parallel instances
  79 #define MAX_INSTANCES 16U
  80
  81 //Function to calculate the number of instances
  82 static int cores2instances(int cores);
  83
  84 ////////////////////////////////////////////////////////////
  85
  86 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  87 { \
  88         QPalette palette = WIDGET->palette(); \
  89         palette.setColor(QPalette::Background, COLOR); \
  90         WIDGET->setPalette(palette); \
  91 } \
  92 while(0)
  93
  94 #define SET_PROGRESS_TEXT(TXT) do \
  95 { \
  96         ui->label_progress->setText(TXT); \
  97         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  98 } \
  99 while(0)
 100
 101 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 102 { \
 103         QFont _font = WIDGET->font(); \
 104         _font.setBold(BOLD); WIDGET->setFont(_font); \
 105 } \
 106 while(0)
 107
 108 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 109 { \
 110         QPalette _palette = WIDGET->palette(); \
 111         _palette.setColor(QPalette::WindowText, (COLOR)); \
 112         _palette.setColor(QPalette::Text, (COLOR)); \
 113         WIDGET->setPalette(_palette); \
 114 } \
 115 while(0)
 116
 117 #define UPDATE_MIN_WIDTH(WIDGET) do \
 118 { \
 119         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 120 } \
 121 while(0)
 122
 123 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 124 { \
 125         if(m_settings->soundsEnabled()) lamexp_play_sound((NAME), (ASYNC)); \
 126 } \
 127 while(0)
 128
 129 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 130
 131 ////////////////////////////////////////////////////////////
 132
 133 //Dummy class for UserData
 134 class IntUserData : public QObjectUserData
 135 {
 136 public:
 137         IntUserData(int value) : m_value(value) {/*NOP*/}
 138         int value(void) { return m_value; }
 139         void setValue(int value) { m_value = value; }
 140 private:
 141         int m_value;
 142 };
 143
 144 ////////////////////////////////////////////////////////////
 145 // Constructor
 146 ////////////////////////////////////////////////////////////
 147
 148 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, const AudioFileModel_MetaInfo *metaInfo, SettingsModel *settings, QWidget *parent)
 149 :
 150         QDialog(parent),
 151         ui(new Ui::ProcessingDialog),
 152         m_windowIcon(NULL),
 153         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 154         m_settings(settings),
 155         m_metaInfo(metaInfo),
 156         m_shutdownFlag(shutdownFlag_None),
 157         m_threadPool(NULL),
 158         m_diskObserver(NULL),
 159         m_cpuObserver(NULL),
 160         m_ramObserver(NULL),
 161         m_progressViewFilter(-1),
 162         m_initThreads(0),
 163         m_defaultColor(new QColor()),
 164         m_firstShow(true)
 165 {
 166         //Init the dialog, from the .ui file
 167         ui->setupUi(this);
 168         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 169
 170         //Update the window icon
 171         m_windowIcon = lamexp_set_window_icon(this, lamexp_app_icon(), true);
 172
 173         //Update header icon
 174         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 175
 176         //Setup version info
 177         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 178         ui->label_versionInfo->installEventFilter(this);
 179
 180         //Register meta type
 181         qRegisterMetaType<QUuid>("QUuid");
 182
 183         //Center window in screen
 184         QRect desktopRect = QApplication::desktop()->screenGeometry();
 185         QRect thisRect = this->geometry();
 186         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 187         setMinimumSize(thisRect.width(), thisRect.height());
 188
 189         //Enable buttons
 190         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 191
 192         //Init progress indicator
 193         m_progressIndicator = new QMovie(":/images/Working.gif");
 194         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 195         ui->label_headerWorking->setMovie(m_progressIndicator);
 196         ui->progressBar->setValue(0);
 197
 198         //Init progress model
 199         m_progressModel = new ProgressModel();
 200         ui->view_log->setModel(m_progressModel);
 201         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 202         ui->view_log->verticalHeader()->hide();
 203         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 204         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 205         ui->view_log->viewport()->installEventFilter(this);
 206         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 207         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 208         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 209         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 210         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 211         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 212
 213         //Create context menu
 214         m_contextMenu = new QMenu();
 215         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 216         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 217         m_contextMenu->addSeparator();
 218
 219         //Create "filter" context menu
 220         m_progressViewFilterGroup = new QActionGroup(this);
 221         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 222         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 223         {
 224                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 225                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 226                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 227                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 228                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 229                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 230                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 231                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 232                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 233                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 234         }
 235
 236         //Create info label
 237         if(m_filterInfoLabel = new QLabel(ui->view_log))
 238         {
 239                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 240                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 241                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 242                 SET_FONT_BOLD(m_filterInfoLabel, true);
 243                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 244                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 245                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 246                 m_filterInfoLabel->hide();
 247         }
 248         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 249         {
 250                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 251                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 252                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 253                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 254                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 255                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 256                 m_filterInfoLabelIcon->hide();
 257         }
 258
 259         //Connect context menu
 260         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 261         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 262         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 263         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 264         for(size_t i = 0; i < 5; i++)
 265         {
 266                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 267         }
 268         SET_FONT_BOLD(contextMenuDetailsAction, true);
 269
 270         //Enque jobs
 271         if(fileListModel)
 272         {
 273                 for(int i = 0; i < fileListModel->rowCount(); i++)
 274                 {
 275                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 276                 }
 277         }
 278
 279         //Translate
 280         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 281
 282         //Enable system tray icon
 283         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 284
 285         //Init other vars
 286         m_runningThreads = 0;
 287         m_currentFile = 0;
 288         m_allJobs.clear();
 289         m_succeededJobs.clear();
 290         m_failedJobs.clear();
 291         m_skippedJobs.clear();
 292         m_userAborted = false;
 293         m_forcedAbort = false;
 294         m_timerStart = 0I64;
 295 }
 296
 297 ////////////////////////////////////////////////////////////
 298 // Destructor
 299 ////////////////////////////////////////////////////////////
 300
 301 ProcessingDialog::~ProcessingDialog(void)
 302 {
 303         ui->view_log->setModel(NULL);
 304
 305         if(m_progressIndicator)
 306         {
 307                 m_progressIndicator->stop();
 308         }
 309
 310         if(m_diskObserver)
 311         {
 312                 m_diskObserver->stop();
 313                 if(!m_diskObserver->wait(15000))
 314                 {
 315                         m_diskObserver->terminate();
 316                         m_diskObserver->wait();
 317                 }
 318         }
 319
 320         if(m_cpuObserver)
 321         {
 322                 m_cpuObserver->stop();
 323                 if(!m_cpuObserver->wait(15000))
 324                 {
 325                         m_cpuObserver->terminate();
 326                         m_cpuObserver->wait();
 327                 }
 328         }
 329
 330         if(m_ramObserver)
 331         {
 332                 m_ramObserver->stop();
 333                 if(!m_ramObserver->wait(15000))
 334                 {
 335                         m_ramObserver->terminate();
 336                         m_ramObserver->wait();
 337                 }
 338         }
 339
 340         if(m_threadPool)
 341         {
 342                 if(!m_threadPool->waitForDone(100))
 343                 {
 344                         emit abortRunningTasks();
 345                         m_threadPool->waitForDone();
 346                 }
 347         }
 348
 349         MUTILS_DELETE(m_progressIndicator);
 350         MUTILS_DELETE(m_systemTray);
 351         MUTILS_DELETE(m_diskObserver);
 352         MUTILS_DELETE(m_cpuObserver);
 353         MUTILS_DELETE(m_ramObserver);
 354         MUTILS_DELETE(m_progressViewFilterGroup);
 355         MUTILS_DELETE(m_filterInfoLabel);
 356         MUTILS_DELETE(m_filterInfoLabelIcon);
 357         MUTILS_DELETE(m_contextMenu);
 358         MUTILS_DELETE(m_progressModel);
 359         MUTILS_DELETE(m_threadPool);
 360         MUTILS_DELETE(m_defaultColor);
 361
 362         WinSevenTaskbar::setOverlayIcon(this, NULL);
 363         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 364
 365         if(m_windowIcon)
 366         {
 367                 lamexp_free_window_icon(m_windowIcon);
 368                 m_windowIcon = NULL;
 369         }
 370
 371         MUTILS_DELETE(ui);
 372 }
 373
 374 ////////////////////////////////////////////////////////////
 375 // EVENTS
 376 ////////////////////////////////////////////////////////////
 377
 378 void ProcessingDialog::showEvent(QShowEvent *event)
 379 {
 380         QDialog::showEvent(event);
 381
 382         if(m_firstShow)
 383         {
 384                 static const char *NA = " N/A";
 385
 386                 lamexp_enable_close_button(this, false);
 387                 ui->button_closeDialog->setEnabled(false);
 388                 ui->button_AbortProcess->setEnabled(false);
 389                 m_progressIndicator->start();
 390                 m_systemTray->setVisible(true);
 391
 392                 lamexp_change_process_priority(1);
 393
 394                 ui->label_cpu->setText(NA);
 395                 ui->label_disk->setText(NA);
 396                 ui->label_ram->setText(NA);
 397
 398                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 399                 m_firstShow = false;
 400         }
 401
 402         //Force update geometry
 403         resizeEvent(NULL);
 404 }
 405
 406 void ProcessingDialog::closeEvent(QCloseEvent *event)
 407 {
 408         if(!ui->button_closeDialog->isEnabled())
 409         {
 410                 event->ignore();
 411         }
 412         else
 413         {
 414                 m_systemTray->setVisible(false);
 415         }
 416 }
 417
 418 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 419 {
 420         if(obj == ui->label_versionInfo)
 421         {
 422                 if(event->type() == QEvent::Enter)
 423                 {
 424                         QPalette palette = ui->label_versionInfo->palette();
 425                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 426                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 427                         ui->label_versionInfo->setPalette(palette);
 428                 }
 429                 else if(event->type() == QEvent::Leave)
 430                 {
 431                         QPalette palette = ui->label_versionInfo->palette();
 432                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 433                         ui->label_versionInfo->setPalette(palette);
 434                 }
 435                 else if(event->type() == QEvent::MouseButtonPress)
 436                 {
 437                         QUrl url(lamexp_website_url());
 438                         QDesktopServices::openUrl(url);
 439                 }
 440         }
 441
 442         return false;
 443 }
 444
 445 bool ProcessingDialog::event(QEvent *e)
 446 {
 447         switch(e->type())
 448         {
 449         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 450                 qWarning("System is shutting down, preparing to abort...");
 451                 if(!m_userAborted) abortEncoding(true);
 452                 return true;
 453         case MUtils::GUI::USER_EVENT_ENDSESSION:
 454                 qWarning("System is shutting down, encoding will be aborted now...");
 455                 if(isVisible())
 456                 {
 457                         while(!close())
 458                         {
 459                                 if(!m_userAborted) abortEncoding(true);
 460                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 461                         }
 462                 }
 463                 m_pendingJobs.clear();
 464                 return true;
 465         default:
 466                 return QDialog::event(e);
 467         }
 468 }
 469
 470 /*
 471  * Window was resized
 472  */
 473 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 474 {
 475         if(event) QDialog::resizeEvent(event);
 476
 477         if(QWidget *port = ui->view_log->viewport())
 478         {
 479                 QRect geom = port->geometry();
 480                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 481                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 482         }
 483 }
 484
 485 bool ProcessingDialog::winEvent(MSG *message, long *result)
 486 {
 487         return WinSevenTaskbar::handleWinEvent(message, result);
 488 }
 489
 490 ////////////////////////////////////////////////////////////
 491 // SLOTS
 492 ////////////////////////////////////////////////////////////
 493
 494 void ProcessingDialog::initEncoding(void)
 495 {
 496         qDebug("Initializing encoding process...");
 497
 498         m_runningThreads = 0;
 499         m_currentFile = 0;
 500         m_allJobs.clear();
 501         m_succeededJobs.clear();
 502         m_failedJobs.clear();
 503         m_skippedJobs.clear();
 504         m_userAborted = false;
 505         m_forcedAbort = false;
 506         m_playList.clear();
 507
 508         DecoderRegistry::configureDecoders(m_settings);
 509
 510         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 511         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 512
 513         ui->button_closeDialog->setEnabled(false);
 514         ui->button_AbortProcess->setEnabled(true);
 515         ui->progressBar->setRange(0, m_pendingJobs.count());
 516         ui->checkBox_shutdownComputer->setEnabled(true);
 517         ui->checkBox_shutdownComputer->setChecked(false);
 518
 519         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 520         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 521         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 522
 523         if(!m_diskObserver)
 524         {
 525                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder());
 526                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 527                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 528                 m_diskObserver->start();
 529         }
 530         if(!m_cpuObserver)
 531         {
 532                 m_cpuObserver = new CPUObserverThread();
 533                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 534                 m_cpuObserver->start();
 535         }
 536         if(!m_ramObserver)
 537         {
 538                 m_ramObserver = new RAMObserverThread();
 539                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 540                 m_ramObserver->start();
 541         }
 542
 543         if(!m_threadPool)
 544         {
 545                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 546                 if(maximumInstances < 1)
 547                 {
 548                         const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect(MUtils::OS::arguments());
 549                         maximumInstances = cores2instances(qBound(1U, cpuFeatures.count, 64U));
 550                 }
 551
 552                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 553                 if(maximumInstances > 1)
 554                 {
 555                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 556                 }
 557
 558                 m_threadPool = new QThreadPool();
 559                 m_threadPool->setMaxThreadCount(maximumInstances);
 560         }
 561
 562         //for(int i = 0; i < m_threadPool->maxThreadCount(); i++)
 563         //{
 564         //      startNextJob();
 565         //      qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 566         //      QThread::yieldCurrentThread();
 567         //}
 568
 569         m_initThreads = m_threadPool->maxThreadCount();
 570         QTimer::singleShot(100, this, SLOT(initNextJob()));
 571         m_timerStart = lamexp_perfcounter_value();
 572 }
 573
 574 void ProcessingDialog::initNextJob(void)
 575 {
 576         if((m_initThreads > 0) && (!m_userAborted))
 577         {
 578                 startNextJob();
 579                 if(--m_initThreads > 0)
 580                 {
 581                         QTimer::singleShot(100, this, SLOT(initNextJob()));
 582                 }
 583         }
 584 }
 585
 586 void ProcessingDialog::startNextJob(void)
 587 {
 588         if(m_pendingJobs.isEmpty())
 589         {
 590                 qWarning("No more files left, unable to start another job!");
 591                 return;
 592         }
 593
 594         m_currentFile++;
 595         m_runningThreads++;
 596
 597         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 598         bool nativeResampling = false;
 599
 600         //Create encoder instance
 601         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 602
 603         //Create processing thread
 604         ProcessThread *thread = new ProcessThread
 605         (
 606                 currentFile,
 607                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 608                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()),
 609                 encoder,
 610                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 611         );
 612
 613         //Add audio filters
 614         if(m_settings->forceStereoDownmix())
 615         {
 616                 thread->addFilter(new DownmixFilter());
 617         }
 618         if((m_settings->samplingRate() > 0) && !nativeResampling)
 619         {
 620                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 621                 {
 622                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 623                 }
 624         }
 625         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 626         {
 627                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 628         }
 629         if(m_settings->normalizationFilterEnabled())
 630         {
 631                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 632         }
 633         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 634         {
 635                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 636         }
 637         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 638         {
 639                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 640         }
 641
 642         m_allJobs.append(thread->getId());
 643
 644         //Connect thread signals
 645         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 646         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 647         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 648         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 649         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 650         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 651
 652         //Initialize thread object
 653         if(!thread->init())
 654         {
 655                 qFatal("Fatal Error: Thread initialization has failed!");
 656         }
 657
 658         //Give it a go!
 659         if(!thread->start(m_threadPool))
 660         {
 661                 qWarning("Job failed to start or file was skipped!");
 662         }
 663 }
 664
 665 void ProcessingDialog::abortEncoding(bool force)
 666 {
 667         m_userAborted = true;
 668         if(force) m_forcedAbort = true;
 669         ui->button_AbortProcess->setEnabled(false);
 670         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 671         emit abortRunningTasks();
 672 }
 673
 674 void ProcessingDialog::doneEncoding(void)
 675 {
 676         m_runningThreads--;
 677         ui->progressBar->setValue(ui->progressBar->value() + 1);
 678
 679         if(!m_userAborted)
 680         {
 681                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 682                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 683         }
 684
 685         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 686         {
 687                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 688                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 689                 return;
 690         }
 691
 692         if(m_runningThreads > 0)
 693         {
 694                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 695                 return;
 696         }
 697
 698         QApplication::setOverrideCursor(Qt::WaitCursor);
 699         qDebug("Running jobs: %u", m_runningThreads);
 700
 701         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 702         {
 703                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 704                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 705                 writePlayList();
 706         }
 707
 708         if(m_userAborted)
 709         {
 710                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 711                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 712                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 713                 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!"));
 714                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 715                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 716                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 717                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 718         }
 719         else
 720         {
 721                 const __int64 counter = lamexp_perfcounter_value();
 722                 const __int64 frequency  = lamexp_perfcounter_frequ();
 723                 if((counter >= 0I64) && (frequency >= 0))
 724                 {
 725                         if((m_timerStart >= 0I64) && (m_timerStart < counter))
 726                         {
 727                                 double timeElapsed = static_cast<double>(counter - m_timerStart) / static_cast<double>(frequency);
 728                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 729                         }
 730                 }
 731
 732                 if(m_failedJobs.count() > 0)
 733                 {
 734                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 735                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 736                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 737                         if(m_skippedJobs.count() > 0)
 738                         {
 739                                 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())));
 740                         }
 741                         else
 742                         {
 743                                 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())));
 744                         }
 745                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 746                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 747                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 748                         PLAY_SOUND_OPTIONAL("error", false);
 749                 }
 750                 else
 751                 {
 752                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 753                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 754                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 755                         if(m_skippedJobs.count() > 0)
 756                         {
 757                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 758                         }
 759                         else
 760                         {
 761                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 762                         }
 763                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 764                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 765                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 766                         PLAY_SOUND_OPTIONAL("success", false);
 767                 }
 768         }
 769
 770         lamexp_enable_close_button(this, true);
 771         ui->button_closeDialog->setEnabled(true);
 772         ui->button_AbortProcess->setEnabled(false);
 773         ui->checkBox_shutdownComputer->setEnabled(false);
 774
 775         m_progressModel->restoreHiddenItems();
 776         ui->view_log->scrollToBottom();
 777         m_progressIndicator->stop();
 778         ui->progressBar->setValue(ui->progressBar->maximum());
 779         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 780
 781         QApplication::restoreOverrideCursor();
 782
 783         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 784         {
 785                 if(shutdownComputer())
 786                 {
 787                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 788                         accept();
 789                 }
 790         }
 791 }
 792
 793 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 794 {
 795         if(success > 0)
 796         {
 797                 m_playList.insert(jobId, outFileName);
 798                 m_succeededJobs.append(jobId);
 799         }
 800         else if(success < 0)
 801         {
 802                 m_playList.insert(jobId, outFileName);
 803                 m_skippedJobs.append(jobId);
 804         }
 805         else
 806         {
 807                 m_failedJobs.append(jobId);
 808         }
 809
 810         //Update filter as soon as a job finished!
 811         if(m_progressViewFilter >= 0)
 812         {
 813                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 814         }
 815 }
 816
 817 void ProcessingDialog::progressModelChanged(void)
 818 {
 819         //Update filter as soon as the model changes!
 820         if(m_progressViewFilter >= 0)
 821         {
 822                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 823         }
 824
 825         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 826 }
 827
 828 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 829 {
 830         if(m_runningThreads == 0)
 831         {
 832                 const QStringList &logFile = m_progressModel->getLogFile(index);
 833
 834                 if(!logFile.isEmpty())
 835                 {
 836                         LogViewDialog *logView = new LogViewDialog(this);
 837                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 838                         logView->exec(logFile);
 839                         MUTILS_DELETE(logView);
 840                 }
 841                 else
 842                 {
 843                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 844                 }
 845         }
 846         else
 847         {
 848                 lamexp_beep(lamexp_beep_warning);
 849         }
 850 }
 851
 852 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 853 {
 854         if(logicalIndex == 1)
 855         {
 856                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 857                 {
 858                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 859                 }
 860         }
 861 }
 862
 863 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 864 {
 865         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 866         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 867
 868         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 869         {
 870                 m_contextMenu->popup(sender->mapToGlobal(pos));
 871         }
 872 }
 873
 874 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 875 {
 876         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 877         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 878 }
 879
 880 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 881 {
 882         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 883         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 884         QString filePath = m_playList.value(jobId, QString());
 885
 886         if(filePath.isEmpty())
 887         {
 888                 lamexp_beep(lamexp_beep_warning);
 889                 return;
 890         }
 891
 892         if(QFileInfo(filePath).exists())
 893         {
 894                 QString systemRootPath;
 895
 896                 QDir systemRoot(MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSTEMFOLDER));
 897                 if(systemRoot.exists() && systemRoot.cdUp())
 898                 {
 899                         systemRootPath = systemRoot.canonicalPath();
 900                 }
 901
 902                 if(!systemRootPath.isEmpty())
 903                 {
 904                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 905                         if(explorer.exists() && explorer.isFile())
 906                         {
 907                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 908                                 return;
 909                         }
 910                 }
 911                 else
 912                 {
 913                         qWarning("SystemRoot directory could not be detected!");
 914                 }
 915         }
 916         else
 917         {
 918                 qWarning("File not found: %s", filePath.toLatin1().constData());
 919                 lamexp_beep(lamexp_beep_error);
 920         }
 921 }
 922
 923 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 924 {
 925         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 926         {
 927                 if(action->data().type() == QVariant::Int)
 928                 {
 929                         m_progressViewFilter = action->data().toInt();
 930                         progressViewFilterChanged();
 931                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 932                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 933                         action->setChecked(true);
 934                 }
 935         }
 936 }
 937
 938 /*
 939  * Filter progress items
 940  */
 941 void ProcessingDialog::progressViewFilterChanged(void)
 942 {
 943         bool matchFound = false;
 944
 945         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 946         {
 947                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 948                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 949                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 950         }
 951
 952         if((m_progressViewFilter >= 0) && (!matchFound))
 953         {
 954                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 955                 {
 956                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 957                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 958                         m_filterInfoLabel->show();
 959                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 960                         m_filterInfoLabelIcon->show();
 961                         resizeEvent(NULL);
 962                 }
 963         }
 964         else if(!m_filterInfoLabel->isHidden())
 965         {
 966                 m_filterInfoLabel->hide();
 967                 m_filterInfoLabelIcon->hide();
 968         }
 969 }
 970
 971 ////////////////////////////////////////////////////////////
 972 // Private Functions
 973 ////////////////////////////////////////////////////////////
 974
 975 void ProcessingDialog::writePlayList(void)
 976 {
 977         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 978         {
 979                 qWarning("WritePlayList: Nothing to do!");
 980                 return;
 981         }
 982
 983         //Init local variables
 984         QStringList list;
 985         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 986         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 987         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 988         bool usePrefix[3] = {true, true, true};
 989         bool useUtf8 = false;
 990         int counter = 1;
 991
 992         //Generate playlist name
 993         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 994         if(!m_metaInfo->artist().isEmpty())
 995         {
 996                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 997         }
 998
 999         //Clean playlist name
1000         playListName = lamexp_clean_filename(playListName);
1001
1002         //Create list of audio files
1003         for(int i = 0; i < m_allJobs.count(); i++)
1004         {
1005                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
1006                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
1007         }
1008
1009         //Use prefix?
1010         for(int i = 0; i < list.count(); i++)
1011         {
1012                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1013                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1014                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1015         }
1016         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1017         {
1018                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1019         }
1020
1021         //Do we need an UTF-8 playlist?
1022         for(int i = 0; i < list.count(); i++)
1023         {
1024                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1025                 {
1026                         useUtf8 = true;
1027                         break;
1028                 }
1029         }
1030
1031         //Generate playlist output file
1032         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1033         while(QFileInfo(playListFile).exists())
1034         {
1035                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1036         }
1037
1038         //Now write playlist to output file
1039         QFile playList(playListFile);
1040         if(playList.open(QIODevice::WriteOnly))
1041         {
1042                 if(useUtf8)
1043                 {
1044                         playList.write("\xef\xbb\xbf");
1045                 }
1046                 playList.write("#EXTM3U\r\n");
1047                 while(!list.isEmpty())
1048                 {
1049                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1050                         playList.write("\r\n");
1051                 }
1052                 playList.close();
1053         }
1054         else
1055         {
1056                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1057         }
1058 }
1059
1060 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1061 {
1062         if(!m_settings->writeMetaTags())
1063         {
1064                 audioFile.metaInfo().reset();
1065                 return audioFile;
1066         }
1067
1068         audioFile.metaInfo().update(*m_metaInfo, true);
1069
1070         if(audioFile.metaInfo().position() == UINT_MAX)
1071         {
1072                 audioFile.metaInfo().setPosition(m_currentFile);
1073         }
1074
1075         return audioFile;
1076 }
1077
1078 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1079 {
1080         if(reason == QSystemTrayIcon::DoubleClick)
1081         {
1082                 lamexp_bring_to_front(this);
1083         }
1084 }
1085
1086 void ProcessingDialog::cpuUsageHasChanged(const double val)
1087 {
1088
1089         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1090         UPDATE_MIN_WIDTH(ui->label_cpu);
1091 }
1092
1093 void ProcessingDialog::ramUsageHasChanged(const double val)
1094 {
1095
1096         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1097         UPDATE_MIN_WIDTH(ui->label_ram);
1098 }
1099
1100 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1101 {
1102         int postfix = 0;
1103         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1104         double space = static_cast<double>(val);
1105
1106         while((space >= 1000.0) && (postfix < 5))
1107         {
1108                 space = space / 1024.0;
1109                 postfix++;
1110         }
1111
1112         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1113         UPDATE_MIN_WIDTH(ui->label_disk);
1114 }
1115
1116 bool ProcessingDialog::shutdownComputer(void)
1117 {
1118         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1119         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1120         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1121
1122         qWarning("Initiating shutdown sequence!");
1123
1124         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1125         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1126         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1127         progressDialog.setModal(true);
1128         progressDialog.setAutoClose(false);
1129         progressDialog.setAutoReset(false);
1130         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1131         progressDialog.setCancelButton(cancelButton);
1132         progressDialog.show();
1133
1134         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1135
1136         QApplication::setOverrideCursor(Qt::WaitCursor);
1137         PLAY_SOUND_OPTIONAL("shutdown", false);
1138         QApplication::restoreOverrideCursor();
1139
1140         QTimer timer;
1141         timer.setInterval(1000);
1142         timer.start();
1143
1144         QEventLoop eventLoop(this);
1145         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1146         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1147
1148         for(int i = 1; i <= iTimeout; i++)
1149         {
1150                 eventLoop.exec();
1151                 if(progressDialog.wasCanceled())
1152                 {
1153                         progressDialog.close();
1154                         return false;
1155                 }
1156                 progressDialog.setValue(i+1);
1157                 progressDialog.setLabelText(text.arg(iTimeout-i));
1158                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1159                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1160                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1161         }
1162
1163         progressDialog.close();
1164         return true;
1165 }
1166
1167 QString ProcessingDialog::time2text(const double timeVal) const
1168 {
1169         double intPart = 0;
1170         double frcPart = modf(timeVal, &intPart);
1171
1172         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1173
1174         QString a, b;
1175
1176         if(time.hour() > 0)
1177         {
1178                 a = tr("%n hour(s)", "", time.hour());
1179                 b = tr("%n minute(s)", "", time.minute());
1180         }
1181         else if(time.minute() > 0)
1182         {
1183                 a = tr("%n minute(s)", "", time.minute());
1184                 b = tr("%n second(s)", "", time.second());
1185         }
1186         else
1187         {
1188                 a = tr("%n second(s)", "", time.second());
1189                 b = tr("%n millisecond(s)", "", time.msec());
1190         }
1191
1192         return QString("%1, %2").arg(a, b);
1193 }
1194
1195 ////////////////////////////////////////////////////////////
1196 // HELPER FUNCTIONS
1197 ////////////////////////////////////////////////////////////
1198
1199 static int cores2instances(int cores)
1200 {
1201         //This function is a "cubic spline" with sampling points at:
1202         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1203         static const double LUT[8][5] =
1204         {
1205                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1206                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1207                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1208                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1209                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1210                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1211                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1212                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1213         };
1214
1215         double x = abs(static_cast<double>(cores)), y = 1.0;
1216
1217         for(size_t i = 0; i < 7; i++)
1218         {
1219                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1220                 {
1221                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1222                         break;
1223                 }
1224         }
1225
1226         return qRound(y);
1227 }