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 //Maximum number of parallel instances
  81 #define MAX_INSTANCES 64U
  82
  83 ////////////////////////////////////////////////////////////
  84
  85 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  86 { \
  87         QPalette palette = WIDGET->palette(); \
  88         palette.setColor(QPalette::Background, COLOR); \
  89         WIDGET->setPalette(palette); \
  90 } \
  91 while(0)
  92
  93 #define SET_PROGRESS_TEXT(TXT) do \
  94 { \
  95         ui->label_progress->setText(TXT); \
  96         if(!m_systemTray.isNull()) \
  97         { \
  98                 if(!m_systemTray->isVisible()) m_systemTray->setVisible(true); \
  99                 m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
 100         } \
 101 } \
 102 while(0)
 103
 104 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 105 { \
 106         QFont _font = WIDGET->font(); \
 107         _font.setBold(BOLD); WIDGET->setFont(_font); \
 108 } \
 109 while(0)
 110
 111 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 112 { \
 113         QPalette _palette = WIDGET->palette(); \
 114         _palette.setColor(QPalette::WindowText, (COLOR)); \
 115         _palette.setColor(QPalette::Text, (COLOR)); \
 116         WIDGET->setPalette(_palette); \
 117 } \
 118 while(0)
 119
 120 #define UPDATE_MIN_WIDTH(WIDGET) do \
 121 { \
 122         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 123 } \
 124 while(0)
 125
 126 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 127 { \
 128         if(m_settings->soundsEnabled()) MUtils::Sound::play_sound((NAME), (ASYNC)); \
 129 } \
 130 while(0)
 131
 132 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 133
 134 ////////////////////////////////////////////////////////////
 135
 136 //Dummy class for UserData
 137 class IntUserData : public QObjectUserData
 138 {
 139 public:
 140         IntUserData(int value) : m_value(value) {/*NOP*/}
 141         int value(void) { return m_value; }
 142         void setValue(int value) { m_value = value; }
 143 private:
 144         int m_value;
 145 };
 146
 147 ////////////////////////////////////////////////////////////
 148 // Constructor
 149 ////////////////////////////////////////////////////////////
 150
 151 ProcessingDialog::ProcessingDialog(FileListModel *const fileListModel, const AudioFileModel_MetaInfo *const metaInfo, const SettingsModel *const settings, QWidget *const parent)
 152 :
 153         QDialog(parent),
 154         ui(new Ui::ProcessingDialog),
 155         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 156         m_taskbar(new MUtils::Taskbar7(this)),
 157         m_settings(settings),
 158         m_metaInfo(metaInfo),
 159         m_shutdownFlag(SHUTDOWN_FLAG_NONE),
 160         m_progressViewFilter(-1),
 161         m_initThreads(0),
 162         m_defaultColor(new QColor()),
 163         m_tempFolder(settings->customTempPathEnabled() ? settings->customTempPath() : MUtils::temp_folder()),
 164         m_firstShow(true)
 165 {
 166         //Init the dialog, from the .ui file
 167         ui->setupUi(this);
 168         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 169         setMinimumSize(this->size());
 170
 171         //Update the window icon
 172         MUtils::GUI::set_window_icon(this, lamexp_app_icon(), true);
 173
 174         //Update header icon
 175         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 176
 177         //Setup version info
 178         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 179         ui->label_versionInfo->installEventFilter(this);
 180
 181         //Register meta type
 182         qRegisterMetaType<QUuid>("QUuid");
 183
 184         //Adjust size to DPI settings and re-center
 185         MUtils::GUI::scale_widget(this);
 186
 187         //Enable buttons
 188         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 189
 190         //Init progress indicator
 191         m_progressIndicator.reset(new QMovie(":/images/Working.gif"));
 192         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 193         ui->label_headerWorking->setMovie(m_progressIndicator.data());
 194         ui->progressBar->setValue(0);
 195
 196         //Init progress model
 197         m_progressModel.reset(new ProgressModel());
 198         ui->view_log->setModel(m_progressModel.data());
 199         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 200         ui->view_log->verticalHeader()->hide();
 201         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 202         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 203         ui->view_log->viewport()->installEventFilter(this);
 204         connect(m_progressModel.data(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 205         connect(m_progressModel.data(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 206         connect(m_progressModel.data(), SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 207         connect(m_progressModel.data(), SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 208         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 209         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 210
 211         //Create context menu
 212         m_contextMenu.reset(new QMenu());
 213         QAction *contextMenuDetailsAction  = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 214         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 215         m_contextMenu->addSeparator();
 216
 217         //Create "filter" context menu
 218         m_progressViewFilterGroup.reset(new QActionGroup(this));
 219         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 220         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 221         {
 222                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 223                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 224                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 225                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 226                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 227                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 228                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 229                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 230                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 231                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 232         }
 233
 234         //Create info label
 235         m_filterInfoLabel.reset(new QLabel(ui->view_log));
 236         m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 237         m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 238         m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 239         SET_FONT_BOLD(m_filterInfoLabel, true);
 240         SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 241         m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 242         connect(m_filterInfoLabel.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 243         m_filterInfoLabel->hide();
 244
 245         m_filterInfoLabelIcon .reset(new QLabel(ui->view_log));
 246         m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 247         m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 248         m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 249         const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 250         m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 251         connect(m_filterInfoLabelIcon.data(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 252         m_filterInfoLabelIcon->hide();
 253
 254         //Connect context menu
 255         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 256         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 257         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 258         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 259         for(size_t i = 0; i < 5; i++)
 260         {
 261                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 262         }
 263         SET_FONT_BOLD(contextMenuDetailsAction, true);
 264
 265         //Setup file extensions
 266         if(!m_settings->renameFiles_fileExtension().isEmpty())
 267         {
 268                 m_fileExts.reset(new FileExtsModel());
 269                 m_fileExts->importItems(m_settings->renameFiles_fileExtension());
 270         }
 271
 272         //Enque jobs
 273         if(fileListModel)
 274         {
 275                 for(int i = 0; i < fileListModel->rowCount(); i++)
 276                 {
 277                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 278                 }
 279         }
 280
 281         //Translate
 282         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 283
 284         //Enable system tray icon
 285         connect(m_systemTray.data(), SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 286
 287         //Init other vars
 288         m_runningThreads = 0;
 289         m_currentFile = 0;
 290         m_allJobs.clear();
 291         m_succeededJobs.clear();
 292         m_failedJobs.clear();
 293         m_skippedJobs.clear();
 294         m_userAborted = false;
 295         m_forcedAbort = false;
 296 }
 297
 298 ////////////////////////////////////////////////////////////
 299 // Destructor
 300 ////////////////////////////////////////////////////////////
 301
 302 ProcessingDialog::~ProcessingDialog(void)
 303 {
 304         ui->view_log->setModel(NULL);
 305
 306         if(!m_progressIndicator.isNull())
 307         {
 308                 m_progressIndicator->stop();
 309         }
 310
 311         if(!m_diskObserver.isNull())
 312         {
 313                 m_diskObserver->stop();
 314                 if(!m_diskObserver->wait(15000))
 315                 {
 316                         m_diskObserver->terminate();
 317                         m_diskObserver->wait();
 318                 }
 319         }
 320
 321         if(!m_cpuObserver.isNull())
 322         {
 323                 m_cpuObserver->stop();
 324                 if(!m_cpuObserver->wait(15000))
 325                 {
 326                         m_cpuObserver->terminate();
 327                         m_cpuObserver->wait();
 328                 }
 329         }
 330
 331         if(!m_ramObserver.isNull())
 332         {
 333                 m_ramObserver->stop();
 334                 if(!m_ramObserver->wait(15000))
 335                 {
 336                         m_ramObserver->terminate();
 337                         m_ramObserver->wait();
 338                 }
 339         }
 340
 341         if(!m_threadPool.isNull())
 342         {
 343                 if(!m_threadPool->waitForDone(100))
 344                 {
 345                         emit abortRunningTasks();
 346                         m_threadPool->waitForDone();
 347                 }
 348         }
 349
 350         m_taskbar->setOverlayIcon(NULL);
 351         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
 352
 353         MUTILS_DELETE(ui);
 354 }
 355
 356 ////////////////////////////////////////////////////////////
 357 // EVENTS
 358 ////////////////////////////////////////////////////////////
 359
 360 void ProcessingDialog::showEvent(QShowEvent *event)
 361 {
 362         QDialog::showEvent(event);
 363
 364         if(m_firstShow)
 365         {
 366                 static const char *NA = " N/A";
 367
 368                 MUtils::GUI::enable_close_button(this, false);
 369                 ui->button_closeDialog->setEnabled(false);
 370                 ui->button_AbortProcess->setEnabled(false);
 371
 372                 MUtils::OS::change_process_priority(1);
 373
 374                 ui->label_cpu->setText(NA);
 375                 ui->label_disk->setText(NA);
 376                 ui->label_ram->setText(NA);
 377
 378                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 379                 m_firstShow = false;
 380         }
 381
 382         //Force update geometry
 383         resizeEvent(NULL);
 384 }
 385
 386 void ProcessingDialog::closeEvent(QCloseEvent *event)
 387 {
 388         if(!ui->button_closeDialog->isEnabled())
 389         {
 390                 event->ignore();
 391         }
 392         else
 393         {
 394                 m_systemTray->setVisible(false);
 395         }
 396 }
 397
 398 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 399 {
 400         if(obj == ui->label_versionInfo)
 401         {
 402                 if(event->type() == QEvent::Enter)
 403                 {
 404                         QPalette palette = ui->label_versionInfo->palette();
 405                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 406                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 407                         ui->label_versionInfo->setPalette(palette);
 408                 }
 409                 else if(event->type() == QEvent::Leave)
 410                 {
 411                         QPalette palette = ui->label_versionInfo->palette();
 412                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 413                         ui->label_versionInfo->setPalette(palette);
 414                 }
 415                 else if(event->type() == QEvent::MouseButtonPress)
 416                 {
 417                         QUrl url(lamexp_website_url());
 418                         QDesktopServices::openUrl(url);
 419                 }
 420         }
 421
 422         return false;
 423 }
 424
 425 bool ProcessingDialog::event(QEvent *e)
 426 {
 427         switch(e->type())
 428         {
 429         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 430                 qWarning("System is shutting down, preparing to abort...");
 431                 if(!m_userAborted) abortEncoding(true);
 432                 return true;
 433         case MUtils::GUI::USER_EVENT_ENDSESSION:
 434                 qWarning("System is shutting down, encoding will be aborted now...");
 435                 if(isVisible())
 436                 {
 437                         while(!close())
 438                         {
 439                                 if(!m_userAborted) abortEncoding(true);
 440                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 441                         }
 442                 }
 443                 m_pendingJobs.clear();
 444                 return true;
 445         default:
 446                 return QDialog::event(e);
 447         }
 448 }
 449
 450 /*
 451  * Window was resized
 452  */
 453 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 454 {
 455         if(event) QDialog::resizeEvent(event);
 456
 457         if(QWidget *port = ui->view_log->viewport())
 458         {
 459                 QRect geom = port->geometry();
 460                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 461                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 462         }
 463 }
 464
 465 ////////////////////////////////////////////////////////////
 466 // SLOTS
 467 ////////////////////////////////////////////////////////////
 468
 469 void ProcessingDialog::initEncoding(void)
 470 {
 471         qDebug("Initializing encoding process...");
 472
 473         m_runningThreads = 0;
 474         m_currentFile = 0;
 475         m_allJobs.clear();
 476         m_succeededJobs.clear();
 477         m_failedJobs.clear();
 478         m_skippedJobs.clear();
 479         m_userAborted = m_forcedAbort = false;
 480         m_playList.clear();
 481         m_progressIndicator->start();
 482
 483         DecoderRegistry::configureDecoders(m_settings);
 484
 485         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 486         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 487
 488         ui->button_closeDialog->setEnabled(false);
 489         ui->button_AbortProcess->setEnabled(true);
 490         ui->progressBar->setRange(0, m_pendingJobs.count());
 491         ui->checkBox_shutdownComputer->setEnabled(true);
 492         ui->checkBox_shutdownComputer->setChecked(false);
 493
 494         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 495         m_taskbar->setTaskbarProgress(0, m_pendingJobs.count());
 496         m_taskbar->setOverlayIcon(&QIcon(":/icons/control_play_blue.png"));
 497
 498         if(!m_diskObserver)
 499         {
 500                 m_diskObserver.reset(new DiskObserverThread(m_tempFolder));
 501                 connect(m_diskObserver.data(), SIGNAL(messageLogged(QString,int)), m_progressModel.data(), SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 502                 connect(m_diskObserver.data(), SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 503                 m_diskObserver->start();
 504         }
 505         if(!m_cpuObserver)
 506         {
 507                 m_cpuObserver.reset(new CPUObserverThread());
 508                 connect(m_cpuObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 509                 m_cpuObserver->start();
 510         }
 511         if(!m_ramObserver)
 512         {
 513                 m_ramObserver.reset(new RAMObserverThread());
 514                 connect(m_ramObserver.data(), SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 515                 m_ramObserver->start();
 516         }
 517
 518         if(m_threadPool.isNull())
 519         {
 520                 m_threadPool.reset(createThreadPool());
 521                 if (m_threadPool->maxThreadCount() > 1)
 522                 {
 523                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(m_threadPool->maxThreadCount())));
 524                 }
 525         }
 526
 527         m_initThreads = m_threadPool->maxThreadCount();
 528         QTimer::singleShot(100, this, SLOT(initNextJob()));
 529
 530         m_totalTime.reset(new QElapsedTimer());
 531         m_totalTime->start();
 532 }
 533
 534 void ProcessingDialog::initNextJob(void)
 535 {
 536         if((m_initThreads > 0) && (!m_userAborted))
 537         {
 538                 startNextJob();
 539                 if(--m_initThreads > 0)
 540                 {
 541                         QTimer::singleShot(32, this, SLOT(initNextJob()));
 542                 }
 543         }
 544 }
 545
 546 void ProcessingDialog::startNextJob(void)
 547 {
 548         if(m_pendingJobs.isEmpty())
 549         {
 550                 qWarning("No more files left, unable to start another job!");
 551                 return;
 552         }
 553
 554         m_currentFile++;
 555         m_runningThreads++;
 556
 557         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 558
 559         //Create encoder instance
 560         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings);
 561
 562         //Create processing thread
 563         ProcessThread *thread = new ProcessThread
 564         (
 565                 currentFile,
 566                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 567                 m_tempFolder,
 568                 encoder,
 569                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 570         );
 571
 572         //Add audio filters
 573         if(m_settings->forceStereoDownmix())
 574         {
 575                 thread->addFilter(new DownmixFilter());
 576         }
 577         if(m_settings->samplingRate() > 0)
 578         {
 579                 const int targetRate = SettingsModel::samplingRates[qBound(1, m_settings->samplingRate(), 6)];
 580                 if((targetRate != currentFile.techInfo().audioSamplerate()) || (currentFile.techInfo().audioSamplerate() == 0))
 581                 {
 582                         if (encoder->toEncoderInfo()->isResamplingSupported())
 583                         {
 584                                 encoder->setSamplingRate(targetRate);
 585                         }
 586                         else
 587                         {
 588                                 thread->addFilter(new ResampleFilter(targetRate));
 589                         }
 590                 }
 591         }
 592         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 593         {
 594                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 595         }
 596         if(m_settings->normalizationFilterEnabled())
 597         {
 598                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterDynamic(), m_settings->normalizationFilterCoupled(), m_settings->normalizationFilterSize()));
 599         }
 600         if(m_settings->renameFiles_renameEnabled() && (!m_settings->renameFiles_renamePattern().simplified().isEmpty()))
 601         {
 602                 thread->setRenamePattern(m_settings->renameFiles_renamePattern());
 603         }
 604         if(m_settings->renameFiles_regExpEnabled() && (!m_settings->renameFiles_regExpSearch().trimmed().isEmpty()) && (!m_settings->renameFiles_regExpReplace().simplified().isEmpty()))
 605         {
 606                 thread->setRenameRegExp(m_settings->renameFiles_regExpSearch(), m_settings->renameFiles_regExpReplace());
 607         }
 608         if(!m_fileExts.isNull())
 609         {
 610                 thread->setRenameFileExt(m_fileExts->apply(QString::fromUtf8(EncoderRegistry::getEncoderInfo(m_settings->compressionEncoder())->extension())));
 611         }
 612         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 613         {
 614                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 615         }
 616         if (m_settings->keepOriginalDataTime())
 617         {
 618                 thread->setKeepDateTime(m_settings->keepOriginalDataTime());
 619         }
 620
 621         m_allJobs.append(thread->getId());
 622
 623         //Connect thread signals
 624         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 625         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel.data(), SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 626         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel.data(), SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 627         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 628         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel.data(), SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 629         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 630
 631         //Initialize thread object
 632         if(!thread->init())
 633         {
 634                 qFatal("Fatal Error: Thread initialization has failed!");
 635         }
 636
 637         //Give it a go!
 638         if(!thread->start(m_threadPool.data()))
 639         {
 640                 qWarning("Job failed to start or file was skipped!");
 641         }
 642 }
 643
 644 void ProcessingDialog::abortEncoding(bool force)
 645 {
 646         m_userAborted = true;
 647         if(force) m_forcedAbort = true;
 648         ui->button_AbortProcess->setEnabled(false);
 649         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 650         emit abortRunningTasks();
 651 }
 652
 653 void ProcessingDialog::doneEncoding(void)
 654 {
 655         m_runningThreads--;
 656         ui->progressBar->setValue(ui->progressBar->value() + 1);
 657
 658         if(!m_userAborted)
 659         {
 660                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 661                 m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 662         }
 663
 664         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 665         {
 666                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 667                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 668                 return;
 669         }
 670
 671         if(m_runningThreads > 0)
 672         {
 673                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 674                 return;
 675         }
 676
 677         QApplication::setOverrideCursor(Qt::WaitCursor);
 678         qDebug("Running jobs: %u", m_runningThreads);
 679
 680         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 681         {
 682                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 683                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 684                 writePlayList();
 685         }
 686
 687         if(m_userAborted)
 688         {
 689                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 690                 m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 691                 m_taskbar->setOverlayIcon(&QIcon(":/icons/error.png"));
 692                 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!"));
 693                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 694                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 695                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 696                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 697         }
 698         else
 699         {
 700                 if((!m_totalTime.isNull()) && m_totalTime->isValid())
 701                 {
 702                         m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(m_totalTime->elapsed())), ProgressModel::SysMsg_Performance);
 703                         m_totalTime->invalidate();
 704                 }
 705
 706                 if(m_failedJobs.count() > 0)
 707                 {
 708                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 709                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_ERROR);
 710                         m_taskbar->setOverlayIcon(&QIcon(":/icons/exclamation.png"));
 711                         if(m_skippedJobs.count() > 0)
 712                         {
 713                                 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())));
 714                         }
 715                         else
 716                         {
 717                                 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())));
 718                         }
 719                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 720                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 721                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 722                         PLAY_SOUND_OPTIONAL("error", false);
 723                 }
 724                 else
 725                 {
 726                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 727                         m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NORMAL);
 728                         m_taskbar->setOverlayIcon(&QIcon(":/icons/accept.png"));
 729                         if(m_skippedJobs.count() > 0)
 730                         {
 731                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 732                         }
 733                         else
 734                         {
 735                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 736                         }
 737                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 738                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 739                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 740                         PLAY_SOUND_OPTIONAL("success", false);
 741                 }
 742         }
 743
 744         MUtils::GUI::enable_close_button(this, true);
 745         ui->button_closeDialog->setEnabled(true);
 746         ui->button_AbortProcess->setEnabled(false);
 747         ui->checkBox_shutdownComputer->setEnabled(false);
 748
 749         m_progressModel->restoreHiddenItems();
 750         ui->view_log->scrollToBottom();
 751         m_progressIndicator->stop();
 752         ui->progressBar->setValue(ui->progressBar->maximum());
 753         m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
 754
 755         QApplication::restoreOverrideCursor();
 756
 757         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 758         {
 759                 if(shutdownComputer())
 760                 {
 761                         m_shutdownFlag = m_settings->hibernateComputer() ? SHUTDOWN_FLAG_HIBERNATE : SHUTDOWN_FLAG_POWER_OFF;
 762                         accept();
 763                 }
 764         }
 765 }
 766
 767 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 768 {
 769         if(success > 0)
 770         {
 771                 m_playList.insert(jobId, outFileName);
 772                 m_succeededJobs.append(jobId);
 773         }
 774         else if(success < 0)
 775         {
 776                 m_playList.insert(jobId, outFileName);
 777                 m_skippedJobs.append(jobId);
 778         }
 779         else
 780         {
 781                 m_failedJobs.append(jobId);
 782         }
 783
 784         //Update filter as soon as a job finished!
 785         if(m_progressViewFilter >= 0)
 786         {
 787                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 788         }
 789 }
 790
 791 void ProcessingDialog::progressModelChanged(void)
 792 {
 793         //Update filter as soon as the model changes!
 794         if(m_progressViewFilter >= 0)
 795         {
 796                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 797         }
 798
 799         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 800 }
 801
 802 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 803 {
 804         if(m_runningThreads == 0)
 805         {
 806                 const QStringList &logFile = m_progressModel->getLogFile(index);
 807
 808                 if(!logFile.isEmpty())
 809                 {
 810                         LogViewDialog *logView = new LogViewDialog(this);
 811                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 812                         logView->exec(logFile);
 813                         MUTILS_DELETE(logView);
 814                 }
 815                 else
 816                 {
 817                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 818                 }
 819         }
 820         else
 821         {
 822                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 823         }
 824 }
 825
 826 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 827 {
 828         if(logicalIndex == 1)
 829         {
 830                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 831                 {
 832                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 833                 }
 834         }
 835 }
 836
 837 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 838 {
 839         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 840         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 841
 842         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 843         {
 844                 m_contextMenu->popup(sender->mapToGlobal(pos));
 845         }
 846 }
 847
 848 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 849 {
 850         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 851         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 852 }
 853
 854 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 855 {
 856         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 857         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 858         QString filePath = m_playList.value(jobId, QString());
 859
 860         if(filePath.isEmpty())
 861         {
 862                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 863                 return;
 864         }
 865
 866         if(QFileInfo(filePath).exists())
 867         {
 868                 QString systemRootPath;
 869
 870                 QDir systemRoot(MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSTEMFOLDER));
 871                 if(systemRoot.exists() && systemRoot.cdUp())
 872                 {
 873                         systemRootPath = systemRoot.canonicalPath();
 874                 }
 875
 876                 if(!systemRootPath.isEmpty())
 877                 {
 878                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 879                         if(explorer.exists() && explorer.isFile())
 880                         {
 881                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 882                                 return;
 883                         }
 884                 }
 885                 else
 886                 {
 887                         qWarning("SystemRoot directory could not be detected!");
 888                 }
 889         }
 890         else
 891         {
 892                 qWarning("File not found: %s", filePath.toLatin1().constData());
 893                 MUtils::Sound::beep(MUtils::Sound::BEEP_ERR);
 894         }
 895 }
 896
 897 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 898 {
 899         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 900         {
 901                 if(action->data().type() == QVariant::Int)
 902                 {
 903                         m_progressViewFilter = action->data().toInt();
 904                         progressViewFilterChanged();
 905                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 906                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 907                         action->setChecked(true);
 908                 }
 909         }
 910 }
 911
 912 /*
 913  * Filter progress items
 914  */
 915 void ProcessingDialog::progressViewFilterChanged(void)
 916 {
 917         bool matchFound = false;
 918
 919         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 920         {
 921                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 922                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 923                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 924         }
 925
 926         if((m_progressViewFilter >= 0) && (!matchFound))
 927         {
 928                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 929                 {
 930                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 931                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 932                         m_filterInfoLabel->show();
 933                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 934                         m_filterInfoLabelIcon->show();
 935                         resizeEvent(NULL);
 936                 }
 937         }
 938         else if(!m_filterInfoLabel->isHidden())
 939         {
 940                 m_filterInfoLabel->hide();
 941                 m_filterInfoLabelIcon->hide();
 942         }
 943 }
 944
 945 ////////////////////////////////////////////////////////////
 946 // Private Functions
 947 ////////////////////////////////////////////////////////////
 948
 949 QThreadPool *ProcessingDialog::createThreadPool(void)
 950 {
 951         quint32 maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 952         if (maximumInstances < 1U)
 953         {
 954                 const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect();
 955                 const quint32 nProcessors = qBound(1U, cpuFeatures.count, MAX_INSTANCES);
 956                 maximumInstances = isFastSeekingDevice(m_tempFolder) ? nProcessors : cores2instances(nProcessors);
 957         }
 958         QThreadPool *const threadPool = new QThreadPool();
 959         threadPool->setMaxThreadCount(qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count())));
 960         return threadPool;
 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 ////////////////////////////////////////////////////////////
1156 // HELPER FUNCTIONS
1157 ////////////////////////////////////////////////////////////
1158
1159 bool ProcessingDialog::isFastSeekingDevice(const QString &path)
1160 {
1161         bool haveFastSeeking;
1162         if (MUtils::OS::get_drive_type(path, &haveFastSeeking) != MUtils::OS::DRIVE_TYPE_ERR)
1163         {
1164                 return haveFastSeeking;
1165         }
1166         return false;
1167 }
1168
1169 quint32 ProcessingDialog::cores2instances(const quint32 &cores)
1170 {
1171         //This function is a "cubic spline" with sampling points at:
1172         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1173         static const double LUT[8][5] =
1174         {
1175                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1176                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1177                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1178                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1179                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1180                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1181                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1182                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1183         };
1184
1185         double x = abs(static_cast<double>(cores)), y = 1.0;
1186
1187         for(size_t i = 0; i < 7; i++)
1188         {
1189                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1190                 {
1191                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1192                         break;
1193                 }
1194         }
1195
1196         return static_cast<quint32>(qRound(y));
1197 }
1198
1199 QString ProcessingDialog::time2text(const qint64 &msec)
1200 {
1201         const qint64 MILLISECONDS_PER_DAY = 86399999;   //24x60x60x1000 - 1
1202         const QTime time = QTime().addMSecs(qMin(msec, MILLISECONDS_PER_DAY));
1203
1204         QString a, b;
1205
1206         if (time.hour() > 0)
1207         {
1208                 a = tr("%n hour(s)", "", time.hour());
1209                 b = tr("%n minute(s)", "", time.minute());
1210         }
1211         else if (time.minute() > 0)
1212         {
1213                 a = tr("%n minute(s)", "", time.minute());
1214                 b = tr("%n second(s)", "", time.second());
1215         }
1216         else
1217         {
1218                 a = tr("%n second(s)", "", time.second());
1219                 b = tr("%n millisecond(s)", "", time.msec());
1220         }
1221
1222         return QString("%1, %2").arg(a, b);
1223 }