src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_Processing.h"
  24
  25 //UIC includes
  26 #include "UIC_ProcessingDialog.h"
  27
  28 //Internal
  29 #include "Global.h"
  30 #include "Model_FileList.h"
  31 #include "Model_Progress.h"
  32 #include "Model_Settings.h"
  33 #include "Thread_Process.h"
  34 #include "Thread_CPUObserver.h"
  35 #include "Thread_RAMObserver.h"
  36 #include "Thread_DiskObserver.h"
  37 #include "Dialog_LogView.h"
  38 #include "Registry_Decoder.h"
  39 #include "Registry_Encoder.h"
  40 #include "Filter_Downmix.h"
  41 #include "Filter_Normalize.h"
  42 #include "Filter_Resample.h"
  43 #include "Filter_ToneAdjust.h"
  44 #include "WinSevenTaskbar.h"
  45
  46 //MUtils
  47 #include <MUtils/Global.h>
  48 #include <MUtils/OSSupport.h>
  49 #include <MUtils/GUI.h>
  50 #include <MUtils/CPUFeatures.h>
  51
  52 //Qt
  53 #include <QApplication>
  54 #include <QRect>
  55 #include <QDesktopWidget>
  56 #include <QMovie>
  57 #include <QMessageBox>
  58 #include <QTimer>
  59 #include <QCloseEvent>
  60 #include <QDesktopServices>
  61 #include <QUrl>
  62 #include <QUuid>
  63 #include <QFileInfo>
  64 #include <QDir>
  65 #include <QMenu>
  66 #include <QSystemTrayIcon>
  67 #include <QProcess>
  68 #include <QProgressDialog>
  69 #include <QResizeEvent>
  70 #include <QTime>
  71 #include <QThreadPool>
  72
  73 #include <math.h>
  74 #include <float.h>
  75
  76 ////////////////////////////////////////////////////////////
  77
  78 //Maximum number of parallel instances
  79 #define MAX_INSTANCES 32U
  80
  81 //Function to calculate the number of instances
  82 static int cores2instances(int cores);
  83
  84 ////////////////////////////////////////////////////////////
  85
  86 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  87 { \
  88         QPalette palette = WIDGET->palette(); \
  89         palette.setColor(QPalette::Background, COLOR); \
  90         WIDGET->setPalette(palette); \
  91 } \
  92 while(0)
  93
  94 #define SET_PROGRESS_TEXT(TXT) do \
  95 { \
  96         ui->label_progress->setText(TXT); \
  97         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
  98 } \
  99 while(0)
 100
 101 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 102 { \
 103         QFont _font = WIDGET->font(); \
 104         _font.setBold(BOLD); WIDGET->setFont(_font); \
 105 } \
 106 while(0)
 107
 108 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 109 { \
 110         QPalette _palette = WIDGET->palette(); \
 111         _palette.setColor(QPalette::WindowText, (COLOR)); \
 112         _palette.setColor(QPalette::Text, (COLOR)); \
 113         WIDGET->setPalette(_palette); \
 114 } \
 115 while(0)
 116
 117 #define UPDATE_MIN_WIDTH(WIDGET) do \
 118 { \
 119         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 120 } \
 121 while(0)
 122
 123 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 124 { \
 125         if(m_settings->soundsEnabled()) lamexp_play_sound((NAME), (ASYNC)); \
 126 } \
 127 while(0)
 128
 129 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 130
 131 ////////////////////////////////////////////////////////////
 132
 133 //Dummy class for UserData
 134 class IntUserData : public QObjectUserData
 135 {
 136 public:
 137         IntUserData(int value) : m_value(value) {/*NOP*/}
 138         int value(void) { return m_value; }
 139         void setValue(int value) { m_value = value; }
 140 private:
 141         int m_value;
 142 };
 143
 144 ////////////////////////////////////////////////////////////
 145 // Constructor
 146 ////////////////////////////////////////////////////////////
 147
 148 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, const AudioFileModel_MetaInfo *metaInfo, SettingsModel *settings, QWidget *parent)
 149 :
 150         QDialog(parent),
 151         ui(new Ui::ProcessingDialog),
 152         m_windowIcon(NULL),
 153         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 154         m_settings(settings),
 155         m_metaInfo(metaInfo),
 156         m_shutdownFlag(shutdownFlag_None),
 157         m_threadPool(NULL),
 158         m_diskObserver(NULL),
 159         m_cpuObserver(NULL),
 160         m_ramObserver(NULL),
 161         m_progressViewFilter(-1),
 162         m_initThreads(0),
 163         m_defaultColor(new QColor()),
 164         m_firstShow(true)
 165 {
 166         //Init the dialog, from the .ui file
 167         ui->setupUi(this);
 168         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 169
 170         //Update the window icon
 171         m_windowIcon = lamexp_set_window_icon(this, lamexp_app_icon(), true);
 172
 173         //Update header icon
 174         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 175
 176         //Setup version info
 177         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 178         ui->label_versionInfo->installEventFilter(this);
 179
 180         //Register meta type
 181         qRegisterMetaType<QUuid>("QUuid");
 182
 183         //Center window in screen
 184         QRect desktopRect = QApplication::desktop()->screenGeometry();
 185         QRect thisRect = this->geometry();
 186         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 187         setMinimumSize(thisRect.width(), thisRect.height());
 188
 189         //Enable buttons
 190         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 191
 192         //Init progress indicator
 193         m_progressIndicator = new QMovie(":/images/Working.gif");
 194         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 195         ui->label_headerWorking->setMovie(m_progressIndicator);
 196         ui->progressBar->setValue(0);
 197
 198         //Init progress model
 199         m_progressModel = new ProgressModel();
 200         ui->view_log->setModel(m_progressModel);
 201         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 202         ui->view_log->verticalHeader()->hide();
 203         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 204         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 205         ui->view_log->viewport()->installEventFilter(this);
 206         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 207         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 208         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 209         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 210         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 211         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 212
 213         //Create context menu
 214         m_contextMenu = new QMenu();
 215         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 216         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 217         m_contextMenu->addSeparator();
 218
 219         //Create "filter" context menu
 220         m_progressViewFilterGroup = new QActionGroup(this);
 221         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 222         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 223         {
 224                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 225                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 226                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 227                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 228                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 229                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 230                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 231                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 232                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 233                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 234         }
 235
 236         //Create info label
 237         if(m_filterInfoLabel = new QLabel(ui->view_log))
 238         {
 239                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 240                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 241                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 242                 SET_FONT_BOLD(m_filterInfoLabel, true);
 243                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 244                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 245                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 246                 m_filterInfoLabel->hide();
 247         }
 248         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 249         {
 250                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 251                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 252                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 253                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 254                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 255                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 256                 m_filterInfoLabelIcon->hide();
 257         }
 258
 259         //Connect context menu
 260         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 261         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 262         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 263         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 264         for(size_t i = 0; i < 5; i++)
 265         {
 266                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 267         }
 268         SET_FONT_BOLD(contextMenuDetailsAction, true);
 269
 270         //Enque jobs
 271         if(fileListModel)
 272         {
 273                 for(int i = 0; i < fileListModel->rowCount(); i++)
 274                 {
 275                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 276                 }
 277         }
 278
 279         //Translate
 280         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 281
 282         //Enable system tray icon
 283         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 284
 285         //Init other vars
 286         m_runningThreads = 0;
 287         m_currentFile = 0;
 288         m_allJobs.clear();
 289         m_succeededJobs.clear();
 290         m_failedJobs.clear();
 291         m_skippedJobs.clear();
 292         m_userAborted = false;
 293         m_forcedAbort = false;
 294         m_timerStart = 0I64;
 295 }
 296
 297 ////////////////////////////////////////////////////////////
 298 // Destructor
 299 ////////////////////////////////////////////////////////////
 300
 301 ProcessingDialog::~ProcessingDialog(void)
 302 {
 303         ui->view_log->setModel(NULL);
 304
 305         if(m_progressIndicator)
 306         {
 307                 m_progressIndicator->stop();
 308         }
 309
 310         if(m_diskObserver)
 311         {
 312                 m_diskObserver->stop();
 313                 if(!m_diskObserver->wait(15000))
 314                 {
 315                         m_diskObserver->terminate();
 316                         m_diskObserver->wait();
 317                 }
 318         }
 319
 320         if(m_cpuObserver)
 321         {
 322                 m_cpuObserver->stop();
 323                 if(!m_cpuObserver->wait(15000))
 324                 {
 325                         m_cpuObserver->terminate();
 326                         m_cpuObserver->wait();
 327                 }
 328         }
 329
 330         if(m_ramObserver)
 331         {
 332                 m_ramObserver->stop();
 333                 if(!m_ramObserver->wait(15000))
 334                 {
 335                         m_ramObserver->terminate();
 336                         m_ramObserver->wait();
 337                 }
 338         }
 339
 340         if(m_threadPool)
 341         {
 342                 if(!m_threadPool->waitForDone(100))
 343                 {
 344                         emit abortRunningTasks();
 345                         m_threadPool->waitForDone();
 346                 }
 347         }
 348
 349         MUTILS_DELETE(m_progressIndicator);
 350         MUTILS_DELETE(m_systemTray);
 351         MUTILS_DELETE(m_diskObserver);
 352         MUTILS_DELETE(m_cpuObserver);
 353         MUTILS_DELETE(m_ramObserver);
 354         MUTILS_DELETE(m_progressViewFilterGroup);
 355         MUTILS_DELETE(m_filterInfoLabel);
 356         MUTILS_DELETE(m_filterInfoLabelIcon);
 357         MUTILS_DELETE(m_contextMenu);
 358         MUTILS_DELETE(m_progressModel);
 359         MUTILS_DELETE(m_threadPool);
 360         MUTILS_DELETE(m_defaultColor);
 361
 362         WinSevenTaskbar::setOverlayIcon(this, NULL);
 363         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 364
 365         if(m_windowIcon)
 366         {
 367                 lamexp_free_window_icon(m_windowIcon);
 368                 m_windowIcon = NULL;
 369         }
 370
 371         MUTILS_DELETE(ui);
 372 }
 373
 374 ////////////////////////////////////////////////////////////
 375 // EVENTS
 376 ////////////////////////////////////////////////////////////
 377
 378 void ProcessingDialog::showEvent(QShowEvent *event)
 379 {
 380         QDialog::showEvent(event);
 381
 382         if(m_firstShow)
 383         {
 384                 static const char *NA = " N/A";
 385
 386                 lamexp_enable_close_button(this, false);
 387                 ui->button_closeDialog->setEnabled(false);
 388                 ui->button_AbortProcess->setEnabled(false);
 389                 m_progressIndicator->start();
 390                 m_systemTray->setVisible(true);
 391
 392                 MUtils::OS::change_process_priority(1);
 393
 394                 ui->label_cpu->setText(NA);
 395                 ui->label_disk->setText(NA);
 396                 ui->label_ram->setText(NA);
 397
 398                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 399                 m_firstShow = false;
 400         }
 401
 402         //Force update geometry
 403         resizeEvent(NULL);
 404 }
 405
 406 void ProcessingDialog::closeEvent(QCloseEvent *event)
 407 {
 408         if(!ui->button_closeDialog->isEnabled())
 409         {
 410                 event->ignore();
 411         }
 412         else
 413         {
 414                 m_systemTray->setVisible(false);
 415         }
 416 }
 417
 418 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 419 {
 420         if(obj == ui->label_versionInfo)
 421         {
 422                 if(event->type() == QEvent::Enter)
 423                 {
 424                         QPalette palette = ui->label_versionInfo->palette();
 425                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 426                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 427                         ui->label_versionInfo->setPalette(palette);
 428                 }
 429                 else if(event->type() == QEvent::Leave)
 430                 {
 431                         QPalette palette = ui->label_versionInfo->palette();
 432                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 433                         ui->label_versionInfo->setPalette(palette);
 434                 }
 435                 else if(event->type() == QEvent::MouseButtonPress)
 436                 {
 437                         QUrl url(lamexp_website_url());
 438                         QDesktopServices::openUrl(url);
 439                 }
 440         }
 441
 442         return false;
 443 }
 444
 445 bool ProcessingDialog::event(QEvent *e)
 446 {
 447         switch(e->type())
 448         {
 449         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 450                 qWarning("System is shutting down, preparing to abort...");
 451                 if(!m_userAborted) abortEncoding(true);
 452                 return true;
 453         case MUtils::GUI::USER_EVENT_ENDSESSION:
 454                 qWarning("System is shutting down, encoding will be aborted now...");
 455                 if(isVisible())
 456                 {
 457                         while(!close())
 458                         {
 459                                 if(!m_userAborted) abortEncoding(true);
 460                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 461                         }
 462                 }
 463                 m_pendingJobs.clear();
 464                 return true;
 465         default:
 466                 return QDialog::event(e);
 467         }
 468 }
 469
 470 /*
 471  * Window was resized
 472  */
 473 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 474 {
 475         if(event) QDialog::resizeEvent(event);
 476
 477         if(QWidget *port = ui->view_log->viewport())
 478         {
 479                 QRect geom = port->geometry();
 480                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 481                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 482         }
 483 }
 484
 485 bool ProcessingDialog::winEvent(MSG *message, long *result)
 486 {
 487         return WinSevenTaskbar::handleWinEvent(message, result);
 488 }
 489
 490 ////////////////////////////////////////////////////////////
 491 // SLOTS
 492 ////////////////////////////////////////////////////////////
 493
 494 void ProcessingDialog::initEncoding(void)
 495 {
 496         qDebug("Initializing encoding process...");
 497
 498         m_runningThreads = 0;
 499         m_currentFile = 0;
 500         m_allJobs.clear();
 501         m_succeededJobs.clear();
 502         m_failedJobs.clear();
 503         m_skippedJobs.clear();
 504         m_userAborted = false;
 505         m_forcedAbort = false;
 506         m_playList.clear();
 507
 508         DecoderRegistry::configureDecoders(m_settings);
 509
 510         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 511         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 512
 513         ui->button_closeDialog->setEnabled(false);
 514         ui->button_AbortProcess->setEnabled(true);
 515         ui->progressBar->setRange(0, m_pendingJobs.count());
 516         ui->checkBox_shutdownComputer->setEnabled(true);
 517         ui->checkBox_shutdownComputer->setChecked(false);
 518
 519         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 520         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 521         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 522
 523         if(!m_diskObserver)
 524         {
 525                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder());
 526                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 527                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 528                 m_diskObserver->start();
 529         }
 530         if(!m_cpuObserver)
 531         {
 532                 m_cpuObserver = new CPUObserverThread();
 533                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 534                 m_cpuObserver->start();
 535         }
 536         if(!m_ramObserver)
 537         {
 538                 m_ramObserver = new RAMObserverThread();
 539                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 540                 m_ramObserver->start();
 541         }
 542
 543         if(!m_threadPool)
 544         {
 545                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 546                 if(maximumInstances < 1)
 547                 {
 548                         const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect(MUtils::OS::arguments());
 549                         maximumInstances = cores2instances(qBound(1U, cpuFeatures.count, 64U));
 550                 }
 551
 552                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 553                 if(maximumInstances > 1)
 554                 {
 555                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 556                 }
 557
 558                 m_threadPool = new QThreadPool();
 559                 m_threadPool->setMaxThreadCount(maximumInstances);
 560         }
 561
 562         m_initThreads = m_threadPool->maxThreadCount();
 563         QTimer::singleShot(100, this, SLOT(initNextJob()));
 564         m_timerStart = MUtils::OS::perfcounter_read();
 565 }
 566
 567 void ProcessingDialog::initNextJob(void)
 568 {
 569         if((m_initThreads > 0) && (!m_userAborted))
 570         {
 571                 startNextJob();
 572                 if(--m_initThreads > 0)
 573                 {
 574                         QTimer::singleShot(32, this, SLOT(initNextJob()));
 575                 }
 576         }
 577 }
 578
 579 void ProcessingDialog::startNextJob(void)
 580 {
 581         if(m_pendingJobs.isEmpty())
 582         {
 583                 qWarning("No more files left, unable to start another job!");
 584                 return;
 585         }
 586
 587         m_currentFile++;
 588         m_runningThreads++;
 589
 590         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 591         bool nativeResampling = false;
 592
 593         //Create encoder instance
 594         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 595
 596         //Create processing thread
 597         ProcessThread *thread = new ProcessThread
 598         (
 599                 currentFile,
 600                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 601                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()),
 602                 encoder,
 603                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 604         );
 605
 606         //Add audio filters
 607         if(m_settings->forceStereoDownmix())
 608         {
 609                 thread->addFilter(new DownmixFilter());
 610         }
 611         if((m_settings->samplingRate() > 0) && !nativeResampling)
 612         {
 613                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 614                 {
 615                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 616                 }
 617         }
 618         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 619         {
 620                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 621         }
 622         if(m_settings->normalizationFilterEnabled())
 623         {
 624                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 625         }
 626         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 627         {
 628                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 629         }
 630         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 631         {
 632                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 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, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 640         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, 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, 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))
 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                 WinSevenTaskbar::setTaskbarProgress(this, 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                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 705                 WinSevenTaskbar::setOverlayIcon(this, &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                 const qint64 counter = MUtils::OS::perfcounter_read();
 715                 const qint64 frequency  = MUtils::OS::perfcounter_freq();
 716                 if((counter >= 0I64) && (frequency >= 0))
 717                 {
 718                         if((m_timerStart >= 0I64) && (m_timerStart < counter))
 719                         {
 720                                 double timeElapsed = static_cast<double>(counter - m_timerStart) / static_cast<double>(frequency);
 721                                 m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(timeElapsed)), ProgressModel::SysMsg_Performance);
 722                         }
 723                 }
 724
 725                 if(m_failedJobs.count() > 0)
 726                 {
 727                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 728                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 729                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 730                         if(m_skippedJobs.count() > 0)
 731                         {
 732                                 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())));
 733                         }
 734                         else
 735                         {
 736                                 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())));
 737                         }
 738                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 739                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 740                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 741                         PLAY_SOUND_OPTIONAL("error", false);
 742                 }
 743                 else
 744                 {
 745                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 746                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 747                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 748                         if(m_skippedJobs.count() > 0)
 749                         {
 750                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 751                         }
 752                         else
 753                         {
 754                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 755                         }
 756                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 757                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 758                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 759                         PLAY_SOUND_OPTIONAL("success", false);
 760                 }
 761         }
 762
 763         lamexp_enable_close_button(this, true);
 764         ui->button_closeDialog->setEnabled(true);
 765         ui->button_AbortProcess->setEnabled(false);
 766         ui->checkBox_shutdownComputer->setEnabled(false);
 767
 768         m_progressModel->restoreHiddenItems();
 769         ui->view_log->scrollToBottom();
 770         m_progressIndicator->stop();
 771         ui->progressBar->setValue(ui->progressBar->maximum());
 772         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 773
 774         QApplication::restoreOverrideCursor();
 775
 776         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 777         {
 778                 if(shutdownComputer())
 779                 {
 780                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 781                         accept();
 782                 }
 783         }
 784 }
 785
 786 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 787 {
 788         if(success > 0)
 789         {
 790                 m_playList.insert(jobId, outFileName);
 791                 m_succeededJobs.append(jobId);
 792         }
 793         else if(success < 0)
 794         {
 795                 m_playList.insert(jobId, outFileName);
 796                 m_skippedJobs.append(jobId);
 797         }
 798         else
 799         {
 800                 m_failedJobs.append(jobId);
 801         }
 802
 803         //Update filter as soon as a job finished!
 804         if(m_progressViewFilter >= 0)
 805         {
 806                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 807         }
 808 }
 809
 810 void ProcessingDialog::progressModelChanged(void)
 811 {
 812         //Update filter as soon as the model changes!
 813         if(m_progressViewFilter >= 0)
 814         {
 815                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 816         }
 817
 818         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 819 }
 820
 821 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 822 {
 823         if(m_runningThreads == 0)
 824         {
 825                 const QStringList &logFile = m_progressModel->getLogFile(index);
 826
 827                 if(!logFile.isEmpty())
 828                 {
 829                         LogViewDialog *logView = new LogViewDialog(this);
 830                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 831                         logView->exec(logFile);
 832                         MUTILS_DELETE(logView);
 833                 }
 834                 else
 835                 {
 836                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 837                 }
 838         }
 839         else
 840         {
 841                 lamexp_beep(lamexp_beep_warning);
 842         }
 843 }
 844
 845 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 846 {
 847         if(logicalIndex == 1)
 848         {
 849                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 850                 {
 851                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 852                 }
 853         }
 854 }
 855
 856 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 857 {
 858         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 859         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 860
 861         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 862         {
 863                 m_contextMenu->popup(sender->mapToGlobal(pos));
 864         }
 865 }
 866
 867 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 868 {
 869         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 870         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 871 }
 872
 873 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 874 {
 875         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 876         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 877         QString filePath = m_playList.value(jobId, QString());
 878
 879         if(filePath.isEmpty())
 880         {
 881                 lamexp_beep(lamexp_beep_warning);
 882                 return;
 883         }
 884
 885         if(QFileInfo(filePath).exists())
 886         {
 887                 QString systemRootPath;
 888
 889                 QDir systemRoot(MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSTEMFOLDER));
 890                 if(systemRoot.exists() && systemRoot.cdUp())
 891                 {
 892                         systemRootPath = systemRoot.canonicalPath();
 893                 }
 894
 895                 if(!systemRootPath.isEmpty())
 896                 {
 897                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 898                         if(explorer.exists() && explorer.isFile())
 899                         {
 900                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 901                                 return;
 902                         }
 903                 }
 904                 else
 905                 {
 906                         qWarning("SystemRoot directory could not be detected!");
 907                 }
 908         }
 909         else
 910         {
 911                 qWarning("File not found: %s", filePath.toLatin1().constData());
 912                 lamexp_beep(lamexp_beep_error);
 913         }
 914 }
 915
 916 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 917 {
 918         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 919         {
 920                 if(action->data().type() == QVariant::Int)
 921                 {
 922                         m_progressViewFilter = action->data().toInt();
 923                         progressViewFilterChanged();
 924                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 925                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 926                         action->setChecked(true);
 927                 }
 928         }
 929 }
 930
 931 /*
 932  * Filter progress items
 933  */
 934 void ProcessingDialog::progressViewFilterChanged(void)
 935 {
 936         bool matchFound = false;
 937
 938         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 939         {
 940                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 941                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 942                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 943         }
 944
 945         if((m_progressViewFilter >= 0) && (!matchFound))
 946         {
 947                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 948                 {
 949                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 950                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 951                         m_filterInfoLabel->show();
 952                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 953                         m_filterInfoLabelIcon->show();
 954                         resizeEvent(NULL);
 955                 }
 956         }
 957         else if(!m_filterInfoLabel->isHidden())
 958         {
 959                 m_filterInfoLabel->hide();
 960                 m_filterInfoLabelIcon->hide();
 961         }
 962 }
 963
 964 ////////////////////////////////////////////////////////////
 965 // Private Functions
 966 ////////////////////////////////////////////////////////////
 967
 968 void ProcessingDialog::writePlayList(void)
 969 {
 970         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 971         {
 972                 qWarning("WritePlayList: Nothing to do!");
 973                 return;
 974         }
 975
 976         //Init local variables
 977         QStringList list;
 978         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 979         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 980         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 981         bool usePrefix[3] = {true, true, true};
 982         bool useUtf8 = false;
 983         int counter = 1;
 984
 985         //Generate playlist name
 986         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 987         if(!m_metaInfo->artist().isEmpty())
 988         {
 989                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 990         }
 991
 992         //Clean playlist name
 993         playListName = lamexp_clean_filename(playListName);
 994
 995         //Create list of audio files
 996         for(int i = 0; i < m_allJobs.count(); i++)
 997         {
 998                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 999                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
1000         }
1001
1002         //Use prefix?
1003         for(int i = 0; i < list.count(); i++)
1004         {
1005                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
1006                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
1007                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1008         }
1009         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1010         {
1011                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1012         }
1013
1014         //Do we need an UTF-8 playlist?
1015         for(int i = 0; i < list.count(); i++)
1016         {
1017                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1018                 {
1019                         useUtf8 = true;
1020                         break;
1021                 }
1022         }
1023
1024         //Generate playlist output file
1025         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1026         while(QFileInfo(playListFile).exists())
1027         {
1028                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1029         }
1030
1031         //Now write playlist to output file
1032         QFile playList(playListFile);
1033         if(playList.open(QIODevice::WriteOnly))
1034         {
1035                 if(useUtf8)
1036                 {
1037                         playList.write("\xef\xbb\xbf");
1038                 }
1039                 playList.write("#EXTM3U\r\n");
1040                 while(!list.isEmpty())
1041                 {
1042                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1043                         playList.write("\r\n");
1044                 }
1045                 playList.close();
1046         }
1047         else
1048         {
1049                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1050         }
1051 }
1052
1053 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1054 {
1055         if(!m_settings->writeMetaTags())
1056         {
1057                 audioFile.metaInfo().reset();
1058                 return audioFile;
1059         }
1060
1061         audioFile.metaInfo().update(*m_metaInfo, true);
1062
1063         if(audioFile.metaInfo().position() == UINT_MAX)
1064         {
1065                 audioFile.metaInfo().setPosition(m_currentFile);
1066         }
1067
1068         return audioFile;
1069 }
1070
1071 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1072 {
1073         if(reason == QSystemTrayIcon::DoubleClick)
1074         {
1075                 lamexp_bring_to_front(this);
1076         }
1077 }
1078
1079 void ProcessingDialog::cpuUsageHasChanged(const double val)
1080 {
1081
1082         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1083         UPDATE_MIN_WIDTH(ui->label_cpu);
1084 }
1085
1086 void ProcessingDialog::ramUsageHasChanged(const double val)
1087 {
1088
1089         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1090         UPDATE_MIN_WIDTH(ui->label_ram);
1091 }
1092
1093 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1094 {
1095         int postfix = 0;
1096         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1097         double space = static_cast<double>(val);
1098
1099         while((space >= 1000.0) && (postfix < 5))
1100         {
1101                 space = space / 1024.0;
1102                 postfix++;
1103         }
1104
1105         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1106         UPDATE_MIN_WIDTH(ui->label_disk);
1107 }
1108
1109 bool ProcessingDialog::shutdownComputer(void)
1110 {
1111         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1112         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1113         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1114
1115         qWarning("Initiating shutdown sequence!");
1116
1117         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1118         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1119         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1120         progressDialog.setModal(true);
1121         progressDialog.setAutoClose(false);
1122         progressDialog.setAutoReset(false);
1123         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1124         progressDialog.setCancelButton(cancelButton);
1125         progressDialog.show();
1126
1127         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1128
1129         QApplication::setOverrideCursor(Qt::WaitCursor);
1130         PLAY_SOUND_OPTIONAL("shutdown", false);
1131         QApplication::restoreOverrideCursor();
1132
1133         QTimer timer;
1134         timer.setInterval(1000);
1135         timer.start();
1136
1137         QEventLoop eventLoop(this);
1138         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1139         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1140
1141         for(int i = 1; i <= iTimeout; i++)
1142         {
1143                 eventLoop.exec();
1144                 if(progressDialog.wasCanceled())
1145                 {
1146                         progressDialog.close();
1147                         return false;
1148                 }
1149                 progressDialog.setValue(i+1);
1150                 progressDialog.setLabelText(text.arg(iTimeout-i));
1151                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1152                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1153                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1154         }
1155
1156         progressDialog.close();
1157         return true;
1158 }
1159
1160 QString ProcessingDialog::time2text(const double timeVal) const
1161 {
1162         double intPart = 0;
1163         double frcPart = modf(timeVal, &intPart);
1164
1165         QTime time = QTime().addSecs(qRound(intPart)).addMSecs(qRound(frcPart * 1000.0));
1166
1167         QString a, b;
1168
1169         if(time.hour() > 0)
1170         {
1171                 a = tr("%n hour(s)", "", time.hour());
1172                 b = tr("%n minute(s)", "", time.minute());
1173         }
1174         else if(time.minute() > 0)
1175         {
1176                 a = tr("%n minute(s)", "", time.minute());
1177                 b = tr("%n second(s)", "", time.second());
1178         }
1179         else
1180         {
1181                 a = tr("%n second(s)", "", time.second());
1182                 b = tr("%n millisecond(s)", "", time.msec());
1183         }
1184
1185         return QString("%1, %2").arg(a, b);
1186 }
1187
1188 ////////////////////////////////////////////////////////////
1189 // HELPER FUNCTIONS
1190 ////////////////////////////////////////////////////////////
1191
1192 static int cores2instances(int cores)
1193 {
1194         //This function is a "cubic spline" with sampling points at:
1195         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1196         static const double LUT[8][5] =
1197         {
1198                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1199                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1200                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1201                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1202                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1203                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1204                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1205                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1206         };
1207
1208         double x = abs(static_cast<double>(cores)), y = 1.0;
1209
1210         for(size_t i = 0; i < 7; i++)
1211         {
1212                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1213                 {
1214                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1215                         break;
1216                 }
1217         }
1218
1219         return qRound(y);
1220 }