src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_Processing.h"
  24
  25 //UIC includes
  26 #include "UIC_ProcessingDialog.h"
  27
  28 //Internal
  29 #include "Global.h"
  30 #include "Model_FileList.h"
  31 #include "Model_Progress.h"
  32 #include "Model_Settings.h"
  33 #include "Model_FileExts.h"
  34 #include "Thread_Process.h"
  35 #include "Thread_CPUObserver.h"
  36 #include "Thread_RAMObserver.h"
  37 #include "Thread_DiskObserver.h"
  38 #include "Dialog_LogView.h"
  39 #include "Registry_Decoder.h"
  40 #include "Registry_Encoder.h"
  41 #include "Filter_Downmix.h"
  42 #include "Filter_Normalize.h"
  43 #include "Filter_Resample.h"
  44 #include "Filter_ToneAdjust.h"
  45
  46 //MUtils
  47 #include <MUtils/Global.h>
  48 #include <MUtils/OSSupport.h>
  49 #include <MUtils/GUI.h>
  50 #include <MUtils/CPUFeatures.h>
  51 #include <MUtils/Sound.h>
  52 #include <MUtils/Taskbar7.h>
  53
  54 //Qt
  55 #include <QApplication>
  56 #include <QRect>
  57 #include <QDesktopWidget>
  58 #include <QMovie>
  59 #include <QMessageBox>
  60 #include <QTimer>
  61 #include <QCloseEvent>
  62 #include <QDesktopServices>
  63 #include <QUrl>
  64 #include <QUuid>
  65 #include <QFileInfo>
  66 #include <QDir>
  67 #include <QMenu>
  68 #include <QSystemTrayIcon>
  69 #include <QProcess>
  70 #include <QProgressDialog>
  71 #include <QResizeEvent>
  72 #include <QTime>
  73 #include <QElapsedTimer>
  74 #include <QThreadPool>
  75
  76 #include <math.h>
  77 #include <float.h>
  78 #include <stdint.h>
  79
  80 ////////////////////////////////////////////////////////////
  81
  82 //Maximum number of parallel instances
  83 #define MAX_INSTANCES 32U
  84
  85 //Function to calculate the number of instances
  86 static int cores2instances(int cores);
  87
  88 ////////////////////////////////////////////////////////////
  89
  90 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  91 { \
  92         QPalette palette = WIDGET->palette(); \
  93         palette.setColor(QPalette::Background, COLOR); \
  94         WIDGET->setPalette(palette); \
  95 } \
  96 while(0)
  97
  98 #define SET_PROGRESS_TEXT(TXT) do \
  99 { \
 100         ui->label_progress->setText(TXT); \
 101         if(!m_systemTray.isNull()) \
 102         { \
 103                 if(!m_systemTray->isVisible()) m_systemTray->setVisible(true); \
 104                 m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
 105         } \
 106 } \
 107 while(0)
 108
 109 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 110 { \
 111         QFont _font = WIDGET->font(); \
 112         _font.setBold(BOLD); WIDGET->setFont(_font); \
 113 } \
 114 while(0)
 115
 116 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 117 { \
 118         QPalette _palette = WIDGET->palette(); \
 119         _palette.setColor(QPalette::WindowText, (COLOR)); \
 120         _palette.setColor(QPalette::Text, (COLOR)); \
 121         WIDGET->setPalette(_palette); \
 122 } \
 123 while(0)
 124
 125 #define UPDATE_MIN_WIDTH(WIDGET) do \
 126 { \
 127         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 128 } \
 129 while(0)
 130
 131 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 132 { \
 133         if(m_settings->soundsEnabled()) MUtils::Sound::play_sound((NAME), (ASYNC)); \
 134 } \
 135 while(0)
 136
 137 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 138
 139 ////////////////////////////////////////////////////////////
 140
 141 //Dummy class for UserData
 142 class IntUserData : public QObjectUserData
 143 {
 144 public:
 145         IntUserData(int value) : m_value(value) {/*NOP*/}
 146         int value(void) { return m_value; }
 147         void setValue(int value) { m_value = value; }
 148 private:
 149         int m_value;
 150 };
 151
 152 ////////////////////////////////////////////////////////////
 153 // Constructor
 154 ////////////////////////////////////////////////////////////
 155
 156 ProcessingDialog::ProcessingDialog(FileListModel *const fileListModel, const AudioFileModel_MetaInfo *const metaInfo, const SettingsModel *const settings, QWidget *const parent)
 157 :
 158         QDialog(parent),
 159         ui(new Ui::ProcessingDialog),
 160         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 161         m_taskbar(new MUtils::Taskbar7(this)),
 162         m_settings(settings),
 163         m_metaInfo(metaInfo),
 164         m_shutdownFlag(SHUTDOWN_FLAG_NONE),
 165         m_progressViewFilter(-1),
 166         m_initThreads(0),
 167         m_defaultColor(new QColor()),
 168         m_firstShow(true)
 169 {
 170         //Init the dialog, from the .ui file
 171         ui->setupUi(this);
 172         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 173         setMinimumSize(this->size());
 174
 175         //Update the window icon
 176         MUtils::GUI::set_window_icon(this, lamexp_app_icon(), true);
 177
 178         //Update header icon
 179         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 180
 181         //Setup version info
 182         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 183         ui->label_versionInfo->installEventFilter(this);
 184
 185         //Register meta type
 186         qRegisterMetaType<QUuid>("QUuid");
 187
 188         //Adjust size to DPI settings and re-center
 189         MUtils::GUI::scale_widget(this);
 190
 191         //Enable buttons
 192         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 193
 194         //Init progress indicator
 195         m_progressIndicator.reset(new QMovie(":/images/Working.gif"));
 196         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 197         ui->label_headerWorking->setMovie(m_progressIndicator.data());
 198         ui->progressBar->setValue(0);
 199
 200         //Init progress model
 201         m_progressModel.reset(new ProgressModel());
 202         ui->view_log->setModel(m_progressModel.data());
 203         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 204         ui->view_log->verticalHeader()->hide();
 205         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 206         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 207         ui->view_log->viewport()->installEventFilter(this);
 208         connect(m_progressModel.data(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 209         connect(m_progressModel.data(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 210         connect(m_progressModel.data(), SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 211         connect(m_progressModel.data(), SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 212         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 213         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 214
 215         //Create context menu
 216         m_contextMenu.reset(new QMenu());
 217         QAction *contextMenuDetailsAction  = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 218         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 219         m_contextMenu->addSeparator();
 220
 221         //Create "filter" context menu
 222         m_progressViewFilterGroup.reset(new QActionGroup(this));
 223         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 224         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 225         {
 226                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 227                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 228                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 229                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 230                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 231                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 232                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 233                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 234                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 235                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 236         }
 237
 238         //Create info label
 239         m_filterInfoLabel.reset(new QLabel(ui->view_log));
 240         m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 241         m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 242         m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 243         SET_FONT_BOLD(m_filterInfoLabel, true);
 244         SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 245         m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 246         connect(m_filterInfoLabel.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 247         m_filterInfoLabel->hide();
 248
 249         m_filterInfoLabelIcon .reset(new QLabel(ui->view_log));
 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.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 256         m_filterInfoLabelIcon->hide();
 257
 258         //Connect context menu
 259         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 260         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 261         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 262         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 263         for(size_t i = 0; i < 5; i++)
 264         {
 265                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 266         }
 267         SET_FONT_BOLD(contextMenuDetailsAction, true);
 268
 269         //Setup file extensions
 270         if(!m_settings->renameFiles_fileExtension().isEmpty())
 271         {
 272                 m_fileExts.reset(new FileExtsModel());
 273                 m_fileExts->importItems(m_settings->renameFiles_fileExtension());
 274         }
 275
 276         //Enque jobs
 277         if(fileListModel)
 278         {
 279                 for(int i = 0; i < fileListModel->rowCount(); i++)
 280                 {
 281                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 282                 }
 283         }
 284
 285         //Translate
 286         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 287
 288         //Enable system tray icon
 289         connect(m_systemTray.data(), SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 290
 291         //Init other vars
 292         m_runningThreads = 0;
 293         m_currentFile = 0;
 294         m_allJobs.clear();
 295         m_succeededJobs.clear();
 296         m_failedJobs.clear();
 297         m_skippedJobs.clear();
 298         m_userAborted = false;
 299         m_forcedAbort = false;
 300 }
 301
 302 ////////////////////////////////////////////////////////////
 303 // Destructor
 304 ////////////////////////////////////////////////////////////
 305
 306 ProcessingDialog::~ProcessingDialog(void)
 307 {
 308         ui->view_log->setModel(NULL);
 309
 310         if(!m_progressIndicator.isNull())
 311         {
 312                 m_progressIndicator->stop();
 313         }
 314
 315         if(!m_diskObserver.isNull())
 316         {
 317                 m_diskObserver->stop();
 318                 if(!m_diskObserver->wait(15000))
 319                 {
 320                         m_diskObserver->terminate();
 321                         m_diskObserver->wait();
 322                 }
 323         }
 324
 325         if(!m_cpuObserver.isNull())
 326         {
 327                 m_cpuObserver->stop();
 328                 if(!m_cpuObserver->wait(15000))
 329                 {
 330                         m_cpuObserver->terminate();
 331                         m_cpuObserver->wait();
 332                 }
 333         }
 334
 335         if(!m_ramObserver.isNull())
 336         {
 337                 m_ramObserver->stop();
 338                 if(!m_ramObserver->wait(15000))
 339                 {
 340                         m_ramObserver->terminate();
 341                         m_ramObserver->wait();
 342                 }
 343         }
 344
 345         if(!m_threadPool.isNull())
 346         {
 347                 if(!m_threadPool->waitForDone(100))
 348                 {
 349                         emit abortRunningTasks();
 350                         m_threadPool->waitForDone();
 351                 }
 352         }
 353
 354         m_taskbar->setOverlayIcon(NULL);
 355         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
 356
 357         MUTILS_DELETE(ui);
 358 }
 359
 360 ////////////////////////////////////////////////////////////
 361 // EVENTS
 362 ////////////////////////////////////////////////////////////
 363
 364 void ProcessingDialog::showEvent(QShowEvent *event)
 365 {
 366         QDialog::showEvent(event);
 367
 368         if(m_firstShow)
 369         {
 370                 static const char *NA = " N/A";
 371
 372                 MUtils::GUI::enable_close_button(this, false);
 373                 ui->button_closeDialog->setEnabled(false);
 374                 ui->button_AbortProcess->setEnabled(false);
 375
 376                 MUtils::OS::change_process_priority(1);
 377
 378                 ui->label_cpu->setText(NA);
 379                 ui->label_disk->setText(NA);
 380                 ui->label_ram->setText(NA);
 381
 382                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 383                 m_firstShow = false;
 384         }
 385
 386         //Force update geometry
 387         resizeEvent(NULL);
 388 }
 389
 390 void ProcessingDialog::closeEvent(QCloseEvent *event)
 391 {
 392         if(!ui->button_closeDialog->isEnabled())
 393         {
 394                 event->ignore();
 395         }
 396         else
 397         {
 398                 m_systemTray->setVisible(false);
 399         }
 400 }
 401
 402 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 403 {
 404         if(obj == ui->label_versionInfo)
 405         {
 406                 if(event->type() == QEvent::Enter)
 407                 {
 408                         QPalette palette = ui->label_versionInfo->palette();
 409                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 410                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 411                         ui->label_versionInfo->setPalette(palette);
 412                 }
 413                 else if(event->type() == QEvent::Leave)
 414                 {
 415                         QPalette palette = ui->label_versionInfo->palette();
 416                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 417                         ui->label_versionInfo->setPalette(palette);
 418                 }
 419                 else if(event->type() == QEvent::MouseButtonPress)
 420                 {
 421                         QUrl url(lamexp_website_url());
 422                         QDesktopServices::openUrl(url);
 423                 }
 424         }
 425
 426         return false;
 427 }
 428
 429 bool ProcessingDialog::event(QEvent *e)
 430 {
 431         switch(e->type())
 432         {
 433         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 434                 qWarning("System is shutting down, preparing to abort...");
 435                 if(!m_userAborted) abortEncoding(true);
 436                 return true;
 437         case MUtils::GUI::USER_EVENT_ENDSESSION:
 438                 qWarning("System is shutting down, encoding will be aborted now...");
 439                 if(isVisible())
 440                 {
 441                         while(!close())
 442                         {
 443                                 if(!m_userAborted) abortEncoding(true);
 444                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 445                         }
 446                 }
 447                 m_pendingJobs.clear();
 448                 return true;
 449         default:
 450                 return QDialog::event(e);
 451         }
 452 }
 453
 454 /*
 455  * Window was resized
 456  */
 457 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 458 {
 459         if(event) QDialog::resizeEvent(event);
 460
 461         if(QWidget *port = ui->view_log->viewport())
 462         {
 463                 QRect geom = port->geometry();
 464                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 465                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 466         }
 467 }
 468
 469 ////////////////////////////////////////////////////////////
 470 // SLOTS
 471 ////////////////////////////////////////////////////////////
 472
 473 void ProcessingDialog::initEncoding(void)
 474 {
 475         qDebug("Initializing encoding process...");
 476
 477         m_runningThreads = 0;
 478         m_currentFile = 0;
 479         m_allJobs.clear();
 480         m_succeededJobs.clear();
 481         m_failedJobs.clear();
 482         m_skippedJobs.clear();
 483         m_userAborted = m_forcedAbort = false;
 484         m_playList.clear();
 485         m_progressIndicator->start();
 486
 487         DecoderRegistry::configureDecoders(m_settings);
 488
 489         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 490         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 491
 492         ui->button_closeDialog->setEnabled(false);
 493         ui->button_AbortProcess->setEnabled(true);
 494         ui->progressBar->setRange(0, m_pendingJobs.count());
 495         ui->checkBox_shutdownComputer->setEnabled(true);
 496         ui->checkBox_shutdownComputer->setChecked(false);
 497
 498         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 499         m_taskbar->setTaskbarProgress(0, m_pendingJobs.count());
 500         m_taskbar->setOverlayIcon(&QIcon(":/icons/control_play_blue.png"));
 501
 502         if(!m_diskObserver)
 503         {
 504                 m_diskObserver.reset(new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()));
 505                 connect(m_diskObserver.data(), SIGNAL(messageLogged(QString,int)), m_progressModel.data(), SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 506                 connect(m_diskObserver.data(), SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 507                 m_diskObserver->start();
 508         }
 509         if(!m_cpuObserver)
 510         {
 511                 m_cpuObserver.reset(new CPUObserverThread());
 512                 connect(m_cpuObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 513                 m_cpuObserver->start();
 514         }
 515         if(!m_ramObserver)
 516         {
 517                 m_ramObserver.reset(new RAMObserverThread());
 518                 connect(m_ramObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 519                 m_ramObserver->start();
 520         }
 521
 522         if(m_threadPool.isNull())
 523         {
 524                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 525                 if(maximumInstances < 1)
 526                 {
 527                         const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect();
 528                         maximumInstances = cores2instances(qBound(1U, cpuFeatures.count, 64U));
 529                 }
 530
 531                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 532                 if(maximumInstances > 1)
 533                 {
 534                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 535                 }
 536
 537                 m_threadPool.reset(new QThreadPool());
 538                 m_threadPool->setMaxThreadCount(maximumInstances);
 539         }
 540
 541         m_initThreads = m_threadPool->maxThreadCount();
 542         QTimer::singleShot(100, this, SLOT(initNextJob()));
 543
 544         m_totalTime.reset(new QElapsedTimer());
 545         m_totalTime->start();
 546 }
 547
 548 void ProcessingDialog::initNextJob(void)
 549 {
 550         if((m_initThreads > 0) && (!m_userAborted))
 551         {
 552                 startNextJob();
 553                 if(--m_initThreads > 0)
 554                 {
 555                         QTimer::singleShot(32, this, SLOT(initNextJob()));
 556                 }
 557         }
 558 }
 559
 560 void ProcessingDialog::startNextJob(void)
 561 {
 562         if(m_pendingJobs.isEmpty())
 563         {
 564                 qWarning("No more files left, unable to start another job!");
 565                 return;
 566         }
 567
 568         m_currentFile++;
 569         m_runningThreads++;
 570
 571         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 572
 573         //Create encoder instance
 574         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings);
 575
 576         //Create processing thread
 577         ProcessThread *thread = new ProcessThread
 578         (
 579                 currentFile,
 580                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 581                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()),
 582                 encoder,
 583                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 584         );
 585
 586         //Add audio filters
 587         if(m_settings->forceStereoDownmix())
 588         {
 589                 thread->addFilter(new DownmixFilter());
 590         }
 591         if(m_settings->samplingRate() > 0)
 592         {
 593                 const int targetRate = SettingsModel::samplingRates[qBound(1, m_settings->samplingRate(), 6)];
 594                 if((targetRate != currentFile.techInfo().audioSamplerate()) || (currentFile.techInfo().audioSamplerate() == 0))
 595                 {
 596                         if (encoder->toEncoderInfo()->isResamplingSupported())
 597                         {
 598                                 encoder->setSamplingRate(targetRate);
 599                         }
 600                         else
 601                         {
 602                                 thread->addFilter(new ResampleFilter(targetRate));
 603                         }
 604                 }
 605         }
 606         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 607         {
 608                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 609         }
 610         if(m_settings->normalizationFilterEnabled())
 611         {
 612                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterDynamic(), m_settings->normalizationFilterCoupled(), m_settings->normalizationFilterSize()));
 613         }
 614         if(m_settings->renameFiles_renameEnabled() && (!m_settings->renameFiles_renamePattern().simplified().isEmpty()))
 615         {
 616                 thread->setRenamePattern(m_settings->renameFiles_renamePattern());
 617         }
 618         if(m_settings->renameFiles_regExpEnabled() && (!m_settings->renameFiles_regExpSearch().trimmed().isEmpty()) && (!m_settings->renameFiles_regExpReplace().simplified().isEmpty()))
 619         {
 620                 thread->setRenameRegExp(m_settings->renameFiles_regExpSearch(), m_settings->renameFiles_regExpReplace());
 621         }
 622         if(!m_fileExts.isNull())
 623         {
 624                 thread->setRenameFileExt(m_fileExts->apply(QString::fromUtf8(EncoderRegistry::getEncoderInfo(m_settings->compressionEncoder())->extension())));
 625         }
 626         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 627         {
 628                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 629         }
 630         if (m_settings->keepOriginalDataTime())
 631         {
 632                 thread->setKeepDateTime(m_settings->keepOriginalDataTime());
 633         }
 634
 635         m_allJobs.append(thread->getId());
 636
 637         //Connect thread signals
 638         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 639         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel.data(), SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 640         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel.data(), SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 641         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 642         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel.data(), SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 643         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 644
 645         //Initialize thread object
 646         if(!thread->init())
 647         {
 648                 qFatal("Fatal Error: Thread initialization has failed!");
 649         }
 650
 651         //Give it a go!
 652         if(!thread->start(m_threadPool.data()))
 653         {
 654                 qWarning("Job failed to start or file was skipped!");
 655         }
 656 }
 657
 658 void ProcessingDialog::abortEncoding(bool force)
 659 {
 660         m_userAborted = true;
 661         if(force) m_forcedAbort = true;
 662         ui->button_AbortProcess->setEnabled(false);
 663         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 664         emit abortRunningTasks();
 665 }
 666
 667 void ProcessingDialog::doneEncoding(void)
 668 {
 669         m_runningThreads--;
 670         ui->progressBar->setValue(ui->progressBar->value() + 1);
 671
 672         if(!m_userAborted)
 673         {
 674                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 675                 m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 676         }
 677
 678         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 679         {
 680                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 681                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 682                 return;
 683         }
 684
 685         if(m_runningThreads > 0)
 686         {
 687                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 688                 return;
 689         }
 690
 691         QApplication::setOverrideCursor(Qt::WaitCursor);
 692         qDebug("Running jobs: %u", m_runningThreads);
 693
 694         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 695         {
 696                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 697                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 698                 writePlayList();
 699         }
 700
 701         if(m_userAborted)
 702         {
 703                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 704                 m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 705                 m_taskbar->setOverlayIcon(&QIcon(":/icons/error.png"));
 706                 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!"));
 707                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 708                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 709                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 710                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 711         }
 712         else
 713         {
 714                 if((!m_totalTime.isNull()) && m_totalTime->isValid())
 715                 {
 716                         m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(m_totalTime->elapsed())), ProgressModel::SysMsg_Performance);
 717                         m_totalTime->invalidate();
 718                 }
 719
 720                 if(m_failedJobs.count() > 0)
 721                 {
 722                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 723                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 724                         m_taskbar->setOverlayIcon(&QIcon(":/icons/exclamation.png"));
 725                         if(m_skippedJobs.count() > 0)
 726                         {
 727                                 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())));
 728                         }
 729                         else
 730                         {
 731                                 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())));
 732                         }
 733                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 734                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 735                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 736                         PLAY_SOUND_OPTIONAL("error", false);
 737                 }
 738                 else
 739                 {
 740                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 741                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 742                         m_taskbar->setOverlayIcon(&QIcon(":/icons/accept.png"));
 743                         if(m_skippedJobs.count() > 0)
 744                         {
 745                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 746                         }
 747                         else
 748                         {
 749                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 750                         }
 751                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 752                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 753                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 754                         PLAY_SOUND_OPTIONAL("success", false);
 755                 }
 756         }
 757
 758         MUtils::GUI::enable_close_button(this, true);
 759         ui->button_closeDialog->setEnabled(true);
 760         ui->button_AbortProcess->setEnabled(false);
 761         ui->checkBox_shutdownComputer->setEnabled(false);
 762
 763         m_progressModel->restoreHiddenItems();
 764         ui->view_log->scrollToBottom();
 765         m_progressIndicator->stop();
 766         ui->progressBar->setValue(ui->progressBar->maximum());
 767         m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 768
 769         QApplication::restoreOverrideCursor();
 770
 771         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 772         {
 773                 if(shutdownComputer())
 774                 {
 775                         m_shutdownFlag = m_settings->hibernateComputer() ? SHUTDOWN_FLAG_HIBERNATE : SHUTDOWN_FLAG_POWER_OFF;
 776                         accept();
 777                 }
 778         }
 779 }
 780
 781 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 782 {
 783         if(success > 0)
 784         {
 785                 m_playList.insert(jobId, outFileName);
 786                 m_succeededJobs.append(jobId);
 787         }
 788         else if(success < 0)
 789         {
 790                 m_playList.insert(jobId, outFileName);
 791                 m_skippedJobs.append(jobId);
 792         }
 793         else
 794         {
 795                 m_failedJobs.append(jobId);
 796         }
 797
 798         //Update filter as soon as a job finished!
 799         if(m_progressViewFilter >= 0)
 800         {
 801                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 802         }
 803 }
 804
 805 void ProcessingDialog::progressModelChanged(void)
 806 {
 807         //Update filter as soon as the model changes!
 808         if(m_progressViewFilter >= 0)
 809         {
 810                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 811         }
 812
 813         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 814 }
 815
 816 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 817 {
 818         if(m_runningThreads == 0)
 819         {
 820                 const QStringList &logFile = m_progressModel->getLogFile(index);
 821
 822                 if(!logFile.isEmpty())
 823                 {
 824                         LogViewDialog *logView = new LogViewDialog(this);
 825                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 826                         logView->exec(logFile);
 827                         MUTILS_DELETE(logView);
 828                 }
 829                 else
 830                 {
 831                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 832                 }
 833         }
 834         else
 835         {
 836                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 837         }
 838 }
 839
 840 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 841 {
 842         if(logicalIndex == 1)
 843         {
 844                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 845                 {
 846                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 847                 }
 848         }
 849 }
 850
 851 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 852 {
 853         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 854         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 855
 856         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 857         {
 858                 m_contextMenu->popup(sender->mapToGlobal(pos));
 859         }
 860 }
 861
 862 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 863 {
 864         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 865         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 866 }
 867
 868 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 869 {
 870         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 871         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 872         QString filePath = m_playList.value(jobId, QString());
 873
 874         if(filePath.isEmpty())
 875         {
 876                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 877                 return;
 878         }
 879
 880         if(QFileInfo(filePath).exists())
 881         {
 882                 QString systemRootPath;
 883
 884                 QDir systemRoot(MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSTEMFOLDER));
 885                 if(systemRoot.exists() && systemRoot.cdUp())
 886                 {
 887                         systemRootPath = systemRoot.canonicalPath();
 888                 }
 889
 890                 if(!systemRootPath.isEmpty())
 891                 {
 892                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 893                         if(explorer.exists() && explorer.isFile())
 894                         {
 895                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 896                                 return;
 897                         }
 898                 }
 899                 else
 900                 {
 901                         qWarning("SystemRoot directory could not be detected!");
 902                 }
 903         }
 904         else
 905         {
 906                 qWarning("File not found: %s", filePath.toLatin1().constData());
 907                 MUtils::Sound::beep(MUtils::Sound::BEEP_ERR);
 908         }
 909 }
 910
 911 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 912 {
 913         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 914         {
 915                 if(action->data().type() == QVariant::Int)
 916                 {
 917                         m_progressViewFilter = action->data().toInt();
 918                         progressViewFilterChanged();
 919                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 920                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 921                         action->setChecked(true);
 922                 }
 923         }
 924 }
 925
 926 /*
 927  * Filter progress items
 928  */
 929 void ProcessingDialog::progressViewFilterChanged(void)
 930 {
 931         bool matchFound = false;
 932
 933         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 934         {
 935                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 936                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 937                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 938         }
 939
 940         if((m_progressViewFilter >= 0) && (!matchFound))
 941         {
 942                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 943                 {
 944                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 945                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 946                         m_filterInfoLabel->show();
 947                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 948                         m_filterInfoLabelIcon->show();
 949                         resizeEvent(NULL);
 950                 }
 951         }
 952         else if(!m_filterInfoLabel->isHidden())
 953         {
 954                 m_filterInfoLabel->hide();
 955                 m_filterInfoLabelIcon->hide();
 956         }
 957 }
 958
 959 ////////////////////////////////////////////////////////////
 960 // Private Functions
 961 ////////////////////////////////////////////////////////////
 962
 963 void ProcessingDialog::writePlayList(void)
 964 {
 965         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 966         {
 967                 qWarning("WritePlayList: Nothing to do!");
 968                 return;
 969         }
 970
 971         //Init local variables
 972         QStringList list;
 973         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 974         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 975         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 976         bool usePrefix[3] = {true, true, true};
 977         bool useUtf8 = false;
 978         int counter = 1;
 979
 980         //Generate playlist name
 981         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 982         if(!m_metaInfo->artist().isEmpty())
 983         {
 984                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 985         }
 986
 987         //Clean playlist name
 988         playListName = MUtils::clean_file_name(playListName, true);
 989
 990         //Create list of audio files
 991         for(int i = 0; i < m_allJobs.count(); i++)
 992         {
 993                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 994                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 995         }
 996
 997         //Use prefix?
 998         for(int i = 0; i < list.count(); i++)
 999         {
1000                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1001                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1002                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1003         }
1004         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1005         {
1006                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1007         }
1008
1009         //Do we need an UTF-8 playlist?
1010         for(int i = 0; i < list.count(); i++)
1011         {
1012                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1013                 {
1014                         useUtf8 = true;
1015                         break;
1016                 }
1017         }
1018
1019         //Generate playlist output file
1020         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1021         while(QFileInfo(playListFile).exists())
1022         {
1023                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1024         }
1025
1026         //Now write playlist to output file
1027         QFile playList(playListFile);
1028         if(playList.open(QIODevice::WriteOnly))
1029         {
1030                 if(useUtf8)
1031                 {
1032                         playList.write("\xef\xbb\xbf");
1033                 }
1034                 playList.write("#EXTM3U\r\n");
1035                 while(!list.isEmpty())
1036                 {
1037                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1038                         playList.write("\r\n");
1039                 }
1040                 playList.close();
1041         }
1042         else
1043         {
1044                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1045         }
1046 }
1047
1048 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1049 {
1050         if(!m_settings->writeMetaTags())
1051         {
1052                 audioFile.metaInfo().reset();
1053                 return audioFile;
1054         }
1055
1056         audioFile.metaInfo().update(*m_metaInfo, true);
1057
1058         if(audioFile.metaInfo().position() == UINT_MAX)
1059         {
1060                 audioFile.metaInfo().setPosition(m_currentFile);
1061         }
1062
1063         return audioFile;
1064 }
1065
1066 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1067 {
1068         if(reason == QSystemTrayIcon::DoubleClick)
1069         {
1070                 MUtils::GUI::bring_to_front(this);
1071         }
1072 }
1073
1074 void ProcessingDialog::cpuUsageHasChanged(const double val)
1075 {
1076
1077         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1078         UPDATE_MIN_WIDTH(ui->label_cpu);
1079 }
1080
1081 void ProcessingDialog::ramUsageHasChanged(const double val)
1082 {
1083
1084         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1085         UPDATE_MIN_WIDTH(ui->label_ram);
1086 }
1087
1088 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1089 {
1090         int postfix = 0;
1091         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1092         double space = static_cast<double>(val);
1093
1094         while((space >= 1000.0) && (postfix < 5))
1095         {
1096                 space = space / 1024.0;
1097                 postfix++;
1098         }
1099
1100         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1101         UPDATE_MIN_WIDTH(ui->label_disk);
1102 }
1103
1104 bool ProcessingDialog::shutdownComputer(void)
1105 {
1106         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1107         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1108         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1109
1110         qWarning("Initiating shutdown sequence!");
1111
1112         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1113         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1114         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1115         progressDialog.setModal(true);
1116         progressDialog.setAutoClose(false);
1117         progressDialog.setAutoReset(false);
1118         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1119         progressDialog.setCancelButton(cancelButton);
1120         progressDialog.show();
1121
1122         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1123
1124         QApplication::setOverrideCursor(Qt::WaitCursor);
1125         PLAY_SOUND_OPTIONAL("shutdown", false);
1126         QApplication::restoreOverrideCursor();
1127
1128         QTimer timer;
1129         timer.setInterval(1000);
1130         timer.start();
1131
1132         QEventLoop eventLoop(this);
1133         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1134         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1135
1136         for(int i = 1; i <= iTimeout; i++)
1137         {
1138                 eventLoop.exec();
1139                 if(progressDialog.wasCanceled())
1140                 {
1141                         progressDialog.close();
1142                         return false;
1143                 }
1144                 progressDialog.setValue(i+1);
1145                 progressDialog.setLabelText(text.arg(iTimeout-i));
1146                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1147                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1148                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1149         }
1150
1151         progressDialog.close();
1152         return true;
1153 }
1154
1155 QString ProcessingDialog::time2text(const qint64 &msec) const
1156 {
1157         const qint64 MILLISECONDS_PER_DAY = 86399999;   //24x60x60x1000 - 1
1158         const QTime time = QTime().addMSecs(qMin(msec, MILLISECONDS_PER_DAY));
1159
1160         QString a, b;
1161
1162         if(time.hour() > 0)
1163         {
1164                 a = tr("%n hour(s)",   "", time.hour());
1165                 b = tr("%n minute(s)", "", time.minute());
1166         }
1167         else if(time.minute() > 0)
1168         {
1169                 a = tr("%n minute(s)", "", time.minute());
1170                 b = tr("%n second(s)", "", time.second());
1171         }
1172         else
1173         {
1174                 a = tr("%n second(s)",      "", time.second());
1175                 b = tr("%n millisecond(s)", "", time.msec());
1176         }
1177
1178         return QString("%1, %2").arg(a, b);
1179 }
1180
1181 ////////////////////////////////////////////////////////////
1182 // HELPER FUNCTIONS
1183 ////////////////////////////////////////////////////////////
1184
1185 static int cores2instances(int cores)
1186 {
1187         //This function is a "cubic spline" with sampling points at:
1188         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1189         static const double LUT[8][5] =
1190         {
1191                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1192                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1193                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1194                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1195                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1196                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1197                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1198                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1199         };
1200
1201         double x = abs(static_cast<double>(cores)), y = 1.0;
1202
1203         for(size_t i = 0; i < 7; i++)
1204         {
1205                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1206                 {
1207                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1208                         break;
1209                 }
1210         }
1211
1212         return qRound(y);
1213 }