git.sesse.net Git - kdenlive/blob - src/stopmotion/stopmotion.cpp

   1 /***************************************************************************
   2                           stopmotion.cpp  -  description
   3                              -------------------
   4     begin                : Feb 28 2008
   5     copyright            : (C) 2010 by Jean-Baptiste Mardelle
   6     email                : jb@kdenlive.org
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include "stopmotion.h"
  19 #include "../blackmagic/devices.h"
  20 #include "../v4l/v4lcapture.h"
  21 #include "../slideshowclip.h"
  22 #include "../profilesdialog.h"
  23 #include "../mltdevicecapture.h"
  24 #include "../recmonitor.h"
  25 #include "../monitormanager.h"
  26 #include "ui_smconfig_ui.h"
  27 #include "kdenlivesettings.h"
  28
  29
  30 #include <KDebug>
  31 #include <KGlobalSettings>
  32 #include <KFileDialog>
  33 #include <KStandardDirs>
  34 #include <KMessageBox>
  35 #include <kdeversion.h>
  36 #include <KNotification>
  37
  38 #include <QtConcurrentRun>
  39 #include <QInputDialog>
  40 #include <QComboBox>
  41 #include <QVBoxLayout>
  42 #include <QTimer>
  43 #include <QPainter>
  44 #include <QAction>
  45 #include <QWheelEvent>
  46 #include <QMenu>
  47
  48 MyLabel::MyLabel(QWidget* parent) :
  49     QLabel(parent)
  50 {
  51 }
  52
  53 void MyLabel::setImage(QImage img)
  54 {
  55     m_img = img;
  56 }
  57
  58 //virtual
  59 void MyLabel::wheelEvent(QWheelEvent* event)
  60 {
  61     if (event->delta() > 0) emit seek(true);
  62     else emit seek(false);
  63 }
  64
  65 //virtual
  66 void MyLabel::mousePressEvent(QMouseEvent*)
  67 {
  68     emit switchToLive();
  69 }
  70
  71 //virtual
  72 void MyLabel::paintEvent(QPaintEvent* event)
  73 {
  74     Q_UNUSED(event);
  75
  76     QRect r(0, 0, width(), height());
  77     QPainter p(this);
  78     p.fillRect(r, QColor(KdenliveSettings::window_background()));
  79     double aspect_ratio = (double) m_img.width() / m_img.height();
  80     int pictureHeight = height();
  81     int pictureWidth = width();
  82     int calculatedWidth = aspect_ratio * height();
  83     if (calculatedWidth > width()) pictureHeight = width() / aspect_ratio;
  84     else {
  85         int calculatedHeight = width() / aspect_ratio;
  86         if (calculatedHeight > height()) pictureWidth = height() * aspect_ratio;
  87     }
  88     p.drawImage(QRect((width() - pictureWidth) / 2, (height() - pictureHeight) / 2, pictureWidth, pictureHeight), m_img, QRect(0, 0, m_img.width(), m_img.height()));
  89     p.end();
  90 }
  91
  92
  93 StopmotionMonitor::StopmotionMonitor(QWidget *parent) :
  94     AbstractMonitor(parent),
  95     m_captureDevice(NULL)
  96 {
  97 }
  98
  99 StopmotionMonitor::~StopmotionMonitor()
 100 {
 101 }
 102
 103 void StopmotionMonitor::setRender(MltDeviceCapture *render)
 104 {
 105     m_captureDevice = render;
 106 }
 107
 108 AbstractRender *StopmotionMonitor::abstractRender()
 109 {
 110     return m_captureDevice;
 111 }
 112
 113 const QString StopmotionMonitor::name() const
 114 {
 115     return QString("stopmotion");
 116 }
 117
 118
 119 void StopmotionMonitor::stop()
 120 {
 121     if (m_captureDevice) m_captureDevice->stop();
 122     emit stopCapture();
 123 }
 124
 125 void StopmotionMonitor::start()
 126 {
 127 }
 128
 129 StopmotionWidget::StopmotionWidget(MonitorManager *manager, KUrl projectFolder, QList< QAction* > actions, QWidget* parent) :
 130     QDialog(parent)
 131     , Ui::Stopmotion_UI()
 132     , m_projectFolder(projectFolder)
 133     , m_captureDevice(NULL)
 134     , m_sequenceFrame(0)
 135     , m_animatedIndex(-1)
 136     , m_animate(false)
 137     , m_manager(manager)
 138     , m_monitor(new StopmotionMonitor(this))
 139 {
 140     //setAttribute(Qt::WA_DeleteOnClose);
 141     //HACK: the monitor widget is hidden, it is just used to control the capturedevice from monitormanager
 142     m_monitor->setHidden(true);
 143     connect(m_monitor, SIGNAL(stopCapture()), this, SLOT(slotStopCapture()));
 144     m_manager->appendMonitor(m_monitor);
 145     QAction* analyse = new QAction(i18n("Send frames to color scopes"), this);
 146     analyse->setCheckable(true);
 147     analyse->setChecked(KdenliveSettings::analyse_stopmotion());
 148     connect(analyse, SIGNAL(triggered(bool)), this, SLOT(slotSwitchAnalyse(bool)));
 149
 150     QAction* mirror = new QAction(i18n("Mirror display"), this);
 151     mirror->setCheckable(true);
 152     //mirror->setChecked(KdenliveSettings::analyse_stopmotion());
 153     connect(mirror, SIGNAL(triggered(bool)), this, SLOT(slotSwitchMirror(bool)));
 154
 155     addActions(actions);
 156     setupUi(this);
 157     setWindowTitle(i18n("Stop Motion Capture"));
 158     setFont(KGlobalSettings::toolBarFont());
 159
 160     live_button->setIcon(KIcon("camera-photo"));
 161
 162     m_captureAction = actions.at(0);
 163     connect(m_captureAction, SIGNAL(triggered()), this, SLOT(slotCaptureFrame()));
 164     m_captureAction->setCheckable(true);
 165     m_captureAction->setChecked(false);
 166     capture_button->setDefaultAction(m_captureAction);
 167
 168     connect(actions.at(1), SIGNAL(triggered()), this, SLOT(slotSwitchLive()));
 169
 170     QAction *intervalCapture = new QAction(i18n("Interval capture"), this);
 171     intervalCapture->setIcon(KIcon("chronometer"));
 172     intervalCapture->setCheckable(true);
 173     intervalCapture->setChecked(false);
 174     capture_interval->setDefaultAction(intervalCapture);
 175
 176     preview_button->setIcon(KIcon("media-playback-start"));
 177     capture_button->setEnabled(false);
 178
 179
 180     // Build config menu
 181     QMenu* confMenu = new QMenu;
 182     m_showOverlay = actions.at(2);
 183     connect(m_showOverlay, SIGNAL(triggered(bool)), this, SLOT(slotShowOverlay(bool)));
 184     overlay_button->setDefaultAction(m_showOverlay);
 185     //confMenu->addAction(m_showOverlay);
 186
 187     m_effectIndex = KdenliveSettings::stopmotioneffect();
 188     QMenu* effectsMenu = new QMenu(i18n("Overlay effect"));
 189     QActionGroup* effectGroup = new QActionGroup(this);
 190     QAction* noEffect = new QAction(i18n("No Effect"), effectGroup);
 191     noEffect->setData(0);
 192     QAction* contrastEffect = new QAction(i18n("Contrast"), effectGroup);
 193     contrastEffect->setData(1);
 194     QAction* edgeEffect = new QAction(i18n("Edge detect"), effectGroup);
 195     edgeEffect->setData(2);
 196     QAction* brightEffect = new QAction(i18n("Brighten"), effectGroup);
 197     brightEffect->setData(3);
 198     QAction* invertEffect = new QAction(i18n("Invert"), effectGroup);
 199     invertEffect->setData(4);
 200     QAction* thresEffect = new QAction(i18n("Threshold"), effectGroup);
 201     thresEffect->setData(5);
 202
 203     effectsMenu->addAction(noEffect);
 204     effectsMenu->addAction(contrastEffect);
 205     effectsMenu->addAction(edgeEffect);
 206     effectsMenu->addAction(brightEffect);
 207     effectsMenu->addAction(invertEffect);
 208     effectsMenu->addAction(thresEffect);
 209     QList <QAction*> list = effectsMenu->actions();
 210     for (int i = 0; i < list.count(); i++) {
 211         list.at(i)->setCheckable(true);
 212         if (list.at(i)->data().toInt() == m_effectIndex) {
 213             list.at(i)->setChecked(true);
 214         }
 215     }
 216     connect(effectsMenu, SIGNAL(triggered(QAction*)), this, SLOT(slotUpdateOverlayEffect(QAction*)));
 217     confMenu->addMenu(effectsMenu);
 218
 219     QAction* showThumbs = new QAction(KIcon("image-x-generic"), i18n("Show sequence thumbnails"), this);
 220     showThumbs->setCheckable(true);
 221     showThumbs->setChecked(KdenliveSettings::showstopmotionthumbs());
 222     connect(showThumbs, SIGNAL(triggered(bool)), this, SLOT(slotShowThumbs(bool)));
 223
 224     QAction* removeCurrent = new QAction(KIcon("edit-delete"), i18n("Delete current frame"), this);
 225     removeCurrent->setShortcut(Qt::Key_Delete);
 226     connect(removeCurrent, SIGNAL(triggered()), this, SLOT(slotRemoveFrame()));
 227
 228     QAction* conf = new QAction(KIcon("configure"), i18n("Configure"), this);
 229     connect(conf, SIGNAL(triggered()), this, SLOT(slotConfigure()));
 230
 231     confMenu->addAction(showThumbs);
 232     confMenu->addAction(removeCurrent);
 233     confMenu->addAction(analyse);
 234     confMenu->addAction(mirror);
 235     confMenu->addAction(conf);
 236     config_button->setIcon(KIcon("configure"));
 237     config_button->setMenu(confMenu);
 238
 239     connect(sequence_name, SIGNAL(textChanged(const QString&)), this, SLOT(sequenceNameChanged(const QString&)));
 240     connect(sequence_name, SIGNAL(currentIndexChanged(int)), live_button, SLOT(setFocus()));
 241
 242     // Video widget holder
 243     QVBoxLayout *layout = new QVBoxLayout;
 244     layout->setContentsMargins(0, 0, 0, 0);
 245     layout->setSpacing(0);
 246     m_videoBox = new VideoPreviewContainer();
 247     m_videoBox->setContentsMargins(0, 0, 0, 0);
 248     m_videoBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 249     //m_videoBox->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
 250     m_videoBox->setLineWidth(4);
 251     layout->addWidget(m_videoBox);
 252
 253
 254     if (BMInterface::getBlackMagicDeviceList(capture_device)) {
 255         // Found a BlackMagic device
 256     }
 257     if (QFile::exists(KdenliveSettings::video4vdevice())) {
 258 #if !defined(Q_WS_MAC) && !defined(Q_OS_FREEBSD)
 259         // Video 4 Linux device detection
 260         for (int i = 0; i < 10; i++) {
 261             QString path = "/dev/video" + QString::number(i);
 262             if (QFile::exists(path)) {
 263                 QStringList deviceInfo = V4lCaptureHandler::getDeviceName(path);
 264                 if (!deviceInfo.isEmpty()) {
 265                     capture_device->addItem(deviceInfo.at(0), "v4l");
 266                     capture_device->setItemData(capture_device->count() - 1, path, Qt::UserRole + 1);
 267                     capture_device->setItemData(capture_device->count() - 1, deviceInfo.at(1), Qt::UserRole + 2);
 268                     if (path == KdenliveSettings::video4vdevice()) capture_device->setCurrentIndex(capture_device->count() - 1);
 269                 }
 270             }
 271         }
 272 #endif
 273     }
 274
 275     connect(capture_device, SIGNAL(currentIndexChanged(int)), this, SLOT(slotUpdateDeviceHandler()));
 276     /*if (m_bmCapture) {
 277         connect(m_bmCapture, SIGNAL(frameSaved(const QString)), this, SLOT(slotNewThumb(const QString)));
 278         connect(m_bmCapture, SIGNAL(gotFrame(QImage)), this, SIGNAL(gotFrame(QImage)));
 279     } else live_button->setEnabled(false);*/
 280
 281     m_frame_preview = new MyLabel(this);
 282     connect(m_frame_preview, SIGNAL(seek(bool)), this, SLOT(slotSeekFrame(bool)));
 283     connect(m_frame_preview, SIGNAL(switchToLive()), this, SLOT(slotSwitchLive()));
 284     layout->addWidget(m_frame_preview);
 285     m_frame_preview->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 286     video_preview->setLayout(layout);
 287
 288     //kDebug()<<video_preview->winId();
 289
 290     QString profilePath;
 291     // Create MLT producer data
 292     if (capture_device->itemData(capture_device->currentIndex()) == "v4l") {
 293         // Capture using a video4linux device
 294         profilePath = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
 295     }
 296     else {
 297         // Decklink capture
 298         profilePath = KdenliveSettings::current_profile();
 299     }
 300
 301     m_captureDevice = new MltDeviceCapture(profilePath, m_videoBox, this);
 302     m_captureDevice->sendFrameForAnalysis = KdenliveSettings::analyse_stopmotion();
 303     m_monitor->setRender(m_captureDevice);
 304     connect(m_captureDevice, SIGNAL(frameSaved(const QString)), this, SLOT(slotNewThumb(const QString)));
 305
 306     live_button->setChecked(false);
 307     button_addsequence->setEnabled(false);
 308     connect(live_button, SIGNAL(toggled(bool)), this, SLOT(slotLive(bool)));
 309     connect(button_addsequence, SIGNAL(clicked(bool)), this, SLOT(slotAddSequence()));
 310     connect(preview_button, SIGNAL(clicked(bool)), this, SLOT(slotPlayPreview(bool)));
 311     connect(frame_list, SIGNAL(currentRowChanged(int)), this, SLOT(slotShowSelectedFrame()));
 312     connect(frame_list, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(slotShowSelectedFrame()));
 313     connect(this, SIGNAL(doCreateThumbs(QImage, int)), this, SLOT(slotCreateThumbs(QImage, int)));
 314
 315     frame_list->addAction(removeCurrent);
 316     frame_list->setContextMenuPolicy(Qt::ActionsContextMenu);
 317     frame_list->setHidden(!KdenliveSettings::showstopmotionthumbs());
 318     parseExistingSequences();
 319     QTimer::singleShot(500, this, SLOT(slotLive()));
 320     connect(&m_intervalTimer, SIGNAL(timeout()), this, SLOT(slotCaptureFrame()));
 321     m_intervalTimer.setSingleShot(true);
 322     m_intervalTimer.setInterval(KdenliveSettings::captureinterval() * 1000);
 323 }
 324
 325 StopmotionWidget::~StopmotionWidget()
 326 {
 327     m_manager->removeMonitor(m_monitor);
 328     if (m_captureDevice) {
 329         m_captureDevice->stop();
 330         delete m_captureDevice;
 331         m_captureDevice = NULL;
 332     }
 333
 334     delete m_monitor;
 335 }
 336
 337 void StopmotionWidget::slotUpdateOverlayEffect(QAction* act)
 338 {
 339     if (act) m_effectIndex = act->data().toInt();
 340     KdenliveSettings::setStopmotioneffect(m_effectIndex);
 341     slotUpdateOverlay();
 342 }
 343
 344 void StopmotionWidget::closeEvent(QCloseEvent* e)
 345 {
 346     slotLive(false);
 347     QDialog::closeEvent(e);
 348 }
 349
 350 void StopmotionWidget::slotConfigure()
 351 {
 352     QDialog d;
 353     Ui::SmConfig_UI ui;
 354     ui.setupUi(&d);
 355     d.setWindowTitle(i18n("Configure Stop Motion"));
 356     ui.sm_interval->setValue(KdenliveSettings::captureinterval());
 357     ui.sm_interval->setSuffix(ki18np(" second", " seconds"));
 358     ui.sm_notifytime->setSuffix(ki18np(" second", " seconds"));
 359     ui.sm_notifytime->setValue(KdenliveSettings::sm_notifytime());
 360     connect(ui.sm_prenotify, SIGNAL(toggled(bool)), ui.sm_notifytime, SLOT(setEnabled(bool)));
 361     ui.sm_prenotify->setChecked(KdenliveSettings::sm_prenotify());
 362     ui.sm_loop->setChecked(KdenliveSettings::sm_loop());
 363     ui.sm_framesplayback->setValue(KdenliveSettings::sm_framesplayback());
 364
 365     if (d.exec() == QDialog::Accepted) {
 366         KdenliveSettings::setSm_loop(ui.sm_loop->isChecked());
 367         KdenliveSettings::setCaptureinterval(ui.sm_interval->value());
 368         KdenliveSettings::setSm_framesplayback(ui.sm_framesplayback->value());
 369         KdenliveSettings::setSm_notifytime(ui.sm_notifytime->value());
 370         KdenliveSettings::setSm_prenotify(ui.sm_prenotify->isChecked());
 371         m_intervalTimer.setInterval(KdenliveSettings::captureinterval() * 1000);
 372     }
 373 }
 374
 375 void StopmotionWidget::slotShowThumbs(bool show)
 376 {
 377     KdenliveSettings::setShowstopmotionthumbs(show);
 378     if (show) {
 379         frame_list->clear();
 380         sequenceNameChanged(sequence_name->currentText());
 381     } else {
 382         m_filesList.clear();
 383         frame_list->clear();
 384     }
 385     frame_list->setHidden(!show);
 386 }
 387
 388
 389 void StopmotionWidget::slotUpdateDeviceHandler()
 390 {
 391     slotLive(false);
 392     delete m_captureDevice;
 393     m_captureDevice = NULL;
 394     /*QString data = capture_device->itemData(capture_device->currentIndex()).toString();
 395     slotLive(false);
 396     if (m_bmCapture) {
 397         delete m_bmCapture;
 398     }
 399     m_layout->removeWidget(m_frame_preview);
 400     if (data == "v4l") {
 401 #if !defined(Q_WS_MAC) && !defined(Q_OS_FREEBSD)
 402         m_bmCapture = new V4lCaptureHandler(m_layout);
 403         m_bmCapture->setDevice(capture_device->itemData(capture_device->currentIndex(), Qt::UserRole + 1).toString(), capture_device->itemData(capture_device->currentIndex(), Qt::UserRole + 2).toString());
 404 #endif
 405     } else {
 406         m_bmCapture = new BmdCaptureHandler(m_layout);
 407         if (m_bmCapture) connect(m_bmCapture, SIGNAL(gotMessage(const QString&)), this, SLOT(slotGotHDMIMessage(const QString&)));
 408     }
 409     live_button->setEnabled(m_bmCapture != NULL);
 410     m_layout->addWidget(m_frame_preview);*/
 411 }
 412
 413 void StopmotionWidget::slotGotHDMIMessage(const QString& message)
 414 {
 415     log_box->insertItem(0, message);
 416 }
 417
 418 void StopmotionWidget::parseExistingSequences()
 419 {
 420     sequence_name->clear();
 421     sequence_name->addItem(QString());
 422     QDir dir(m_projectFolder.path());
 423     QStringList filters;
 424     filters << "*_0000.png";
 425     //dir.setNameFilters(filters);
 426     QStringList sequences = dir.entryList(filters, QDir::Files, QDir::Name);
 427     //kDebug()<<"PF: "<<<<", sm: "<<sequences;
 428     foreach(QString sequencename, sequences) {
 429         sequence_name->addItem(sequencename.section("_", 0, -2));
 430     }
 431 }
 432
 433 void StopmotionWidget::slotSwitchLive()
 434 {
 435     setUpdatesEnabled(false);
 436     slotLive(!live_button->isChecked());
 437     /*if (m_frame_preview->isHidden()) {
 438         //if (m_bmCapture) m_bmCapture->hidePreview(true);
 439         m_videoBox->setHidden(true);
 440         m_frame_preview->setHidden(false);
 441     } else {
 442         m_frame_preview->setHidden(true);
 443         //if (m_bmCapture) m_bmCapture->hidePreview(false);
 444         m_videoBox->setHidden(false);
 445         capture_button->setEnabled(true);
 446     }*/
 447     setUpdatesEnabled(true);
 448 }
 449
 450 void StopmotionWidget::slotStopCapture()
 451 {
 452     slotLive(false);
 453 }
 454
 455 void StopmotionWidget::slotLive(bool isOn)
 456 {
 457     live_button->blockSignals(true);
 458     capture_button->setEnabled(false);
 459     if (isOn) {
 460         m_frame_preview->setHidden(true);
 461         m_videoBox->setHidden(false);
 462
 463         MltVideoProfile profile;
 464         QString resource;
 465         QString service;
 466         QString profilePath;
 467         // Create MLT producer data
 468         if (capture_device->itemData(capture_device->currentIndex()) == "v4l") {
 469             // Capture using a video4linux device
 470             profilePath = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
 471             profile = ProfilesDialog::getVideoProfile(profilePath);
 472             service = "avformat-novalidate";
 473             QString devicePath = capture_device->itemData(capture_device->currentIndex(), Qt::UserRole + 1).toString();
 474             resource = QString("video4linux2:%1?width:%2&amp;height:%3&amp;frame_rate:%4").arg(devicePath).arg(profile.width).arg(profile.height).arg((double) profile.frame_rate_num / profile.frame_rate_den);
 475         }
 476         else {
 477             // Decklink capture
 478             profilePath = KdenliveSettings::current_profile();
 479             profile = ProfilesDialog::getVideoProfile(profilePath);
 480             service = "decklink";
 481             resource = capture_device->itemData(capture_device->currentIndex(), Qt::UserRole + 1).toString();
 482         }
 483
 484         if (m_captureDevice == NULL) {
 485             m_captureDevice = new MltDeviceCapture(profilePath, m_videoBox, this);
 486             m_captureDevice->sendFrameForAnalysis = KdenliveSettings::analyse_stopmotion();
 487             m_monitor->setRender(m_captureDevice);
 488             connect(m_captureDevice, SIGNAL(frameSaved(const QString)), this, SLOT(slotNewThumb(const QString)));
 489         }
 490
 491         m_manager->activateMonitor("stopmotion");
 492         QString producer = createProducer(profile, service, resource);
 493         if (m_captureDevice->slotStartPreview(producer, true)) {
 494             if (m_showOverlay->isChecked()) {
 495                 reloadOverlay();
 496                 slotUpdateOverlay();
 497             }
 498             capture_button->setEnabled(true);
 499             live_button->setChecked(true);
 500             log_box->insertItem(-1, i18n("Playing %1x%2 (%3 fps)", profile.width, profile.height, QString::number((double)profile.frame_rate_num/profile.frame_rate_den).rightJustified(2, '0')));
 501             log_box->setCurrentIndex(0);
 502         }
 503         else {
 504             kDebug()<<"// problem starting stopmo";
 505             log_box->insertItem(-1, i18n("Failed to start device"));
 506             log_box->setCurrentIndex(0);
 507         }
 508     }
 509     else {
 510         m_frame_preview->setHidden(false);
 511         live_button->setChecked(false);
 512         if (m_captureDevice) {
 513             m_captureDevice->stop();
 514             m_videoBox->setHidden(true);
 515             log_box->insertItem(-1, i18n("Stopped"));
 516             log_box->setCurrentIndex(0);
 517             //delete m_captureDevice;
 518             //m_captureDevice = NULL;
 519         }
 520     }
 521
 522     /*
 523     if (isOn && m_bmCapture) {
 524         //m_frame_preview->setImage(QImage());
 525         m_frame_preview->setHidden(true);
 526         m_bmCapture->startPreview(KdenliveSettings::hdmi_capturedevice(), KdenliveSettings::hdmi_capturemode(), false);
 527         capture_button->setEnabled(true);
 528         live_button->setChecked(true);
 529     } else {
 530         if (m_bmCapture) m_bmCapture->stopPreview();
 531         m_frame_preview->setHidden(false);
 532         capture_button->setEnabled(false);
 533         live_button->setChecked(false);
 534     }*/
 535     live_button->blockSignals(false);
 536 }
 537
 538 void StopmotionWidget::slotShowOverlay(bool isOn)
 539 {
 540     if (isOn) {
 541         // Overlay last frame of the sequence
 542         reloadOverlay();
 543         slotUpdateOverlay();
 544     }
 545     else {
 546         // Remove overlay
 547         m_captureDevice->setOverlay(QString());
 548     }
 549 }
 550
 551 void StopmotionWidget::reloadOverlay()
 552 {
 553     QString path = getPathForFrame(m_sequenceFrame - 1);
 554     if (!QFile::exists(path)) {
 555         log_box->insertItem(-1, i18n("No previous frame found"));
 556         log_box->setCurrentIndex(0);
 557         return;
 558     }
 559     m_captureDevice->setOverlay(path);
 560 }
 561
 562 void StopmotionWidget::slotUpdateOverlay()
 563 {
 564     if (m_captureDevice == NULL) return;
 565
 566     QString tag;
 567     QStringList params;
 568
 569     switch (m_effectIndex) {
 570     case 1:
 571         tag = "frei0r.contrast0r";
 572         params << "Contrast=1.2";
 573         break;
 574     case 2:
 575         tag = "charcoal";
 576         params << "x_scatter=4" << "y_scatter=4" << "scale=1" << "mix=0";
 577         break;
 578     case 3:
 579         tag = "frei0r.brightness";
 580         params << "Brightness=0.7";
 581         break;
 582     case 4:
 583         tag = "invert";
 584         break;
 585     case 5:
 586         tag = "threshold";
 587         params << "midpoint=125";
 588         break;
 589     default:
 590         break;
 591
 592     }
 593     m_captureDevice->setOverlayEffect(tag, params);
 594 }
 595
 596 void StopmotionWidget::sequenceNameChanged(const QString& name)
 597 {
 598     // Get rid of frames from previous sequence
 599     disconnect(this, SIGNAL(doCreateThumbs(QImage, int)), this, SLOT(slotCreateThumbs(QImage, int)));
 600     m_filesList.clear();
 601     m_future.waitForFinished();
 602     frame_list->clear();
 603     if (name.isEmpty()) {
 604         button_addsequence->setEnabled(false);
 605     } else {
 606         // Check if we are editing an existing sequence
 607         QString pattern = SlideshowClip::selectedPath(getPathForFrame(0, sequence_name->currentText()), false, QString(), &m_filesList);
 608         m_sequenceFrame = m_filesList.isEmpty() ? 0 : SlideshowClip::getFrameNumberFromPath(m_filesList.last()) + 1;
 609         if (!m_filesList.isEmpty()) {
 610             m_sequenceName = sequence_name->currentText();
 611             connect(this, SIGNAL(doCreateThumbs(QImage, int)), this, SLOT(slotCreateThumbs(QImage, int)));
 612             m_future = QtConcurrent::run(this, &StopmotionWidget::slotPrepareThumbs);
 613             button_addsequence->setEnabled(true);
 614         } else {
 615             // new sequence
 616             connect(this, SIGNAL(doCreateThumbs(QImage, int)), this, SLOT(slotCreateThumbs(QImage, int)));
 617             button_addsequence->setEnabled(false);
 618         }
 619         capture_button->setEnabled(live_button->isChecked());
 620     }
 621 }
 622
 623 void StopmotionWidget::slotCaptureFrame()
 624 {
 625     if (m_captureDevice == NULL) return;
 626     if (sequence_name->currentText().isEmpty()) {
 627         QString seqName = QInputDialog::getText(this, i18n("Create New Sequence"), i18n("Enter sequence name"));
 628         if (seqName.isEmpty()) {
 629             m_captureAction->setChecked(false);
 630             return;
 631         }
 632         sequence_name->blockSignals(true);
 633         sequence_name->setItemText(sequence_name->currentIndex(), seqName);
 634         sequence_name->blockSignals(false);
 635     }
 636     if (m_sequenceName != sequence_name->currentText()) {
 637         m_sequenceName = sequence_name->currentText();
 638         m_sequenceFrame = 0;
 639     }
 640     //capture_button->setEnabled(false);
 641     if (m_intervalTimer.isActive()) {
 642         // stop interval capture
 643         m_intervalTimer.stop();
 644         return;
 645     }
 646     QString currentPath = getPathForFrame(m_sequenceFrame);
 647     m_captureDevice->captureFrame(currentPath);
 648     KNotification::event("FrameCaptured", i18n("Frame Captured"), QPixmap(), this);
 649     m_sequenceFrame++;
 650     button_addsequence->setEnabled(true);
 651     if (capture_interval->isChecked()) {
 652         if (KdenliveSettings::sm_prenotify()) QTimer::singleShot((KdenliveSettings::captureinterval() - KdenliveSettings::sm_notifytime()) * 1000, this, SLOT(slotPreNotify()));
 653         m_intervalTimer.start();
 654     }
 655     else m_captureAction->setChecked(false);
 656 }
 657
 658 void StopmotionWidget::slotPreNotify()
 659 {
 660     if (m_captureAction->isChecked()) KNotification::event("ReadyToCapture", i18n("Going to Capture Frame"), QPixmap(), this);
 661 }
 662
 663
 664 void StopmotionWidget::slotNewThumb(const QString path)
 665 {
 666     if (!KdenliveSettings::showstopmotionthumbs()) return;
 667     m_filesList.append(path);
 668     if (m_showOverlay->isChecked()) reloadOverlay();
 669     if (!m_future.isRunning()) m_future = QtConcurrent::run(this, &StopmotionWidget::slotPrepareThumbs);
 670
 671 }
 672
 673 void StopmotionWidget::slotPrepareThumbs()
 674 {
 675     if (m_filesList.isEmpty()) return;
 676     QString path = m_filesList.takeFirst();
 677     emit doCreateThumbs(QImage(path), SlideshowClip::getFrameNumberFromPath(path));
 678
 679 }
 680
 681 void StopmotionWidget::slotCreateThumbs(QImage img, int ix)
 682 {
 683     if (img.isNull()) {
 684         m_future = QtConcurrent::run(this, &StopmotionWidget::slotPrepareThumbs);
 685         return;
 686     }
 687     int height = 90;
 688     int width = height * img.width() / img.height();
 689     frame_list->setIconSize(QSize(width, height));
 690     QPixmap pix = QPixmap::fromImage(img).scaled(width, height);
 691     QString nb = QString::number(ix);
 692     QPainter p(&pix);
 693     QFontInfo finfo(font());
 694     p.fillRect(0, 0, finfo.pixelSize() * nb.count() + 6, finfo.pixelSize() + 6, QColor(80, 80, 80, 150));
 695     p.setPen(Qt::white);
 696     p.drawText(QPoint(3, finfo.pixelSize() + 3), nb);
 697     p.end();
 698     QIcon icon(pix);
 699     QListWidgetItem* item = new QListWidgetItem(icon, QString(), frame_list);
 700     item->setToolTip(getPathForFrame(ix, sequence_name->currentText()));
 701     item->setData(Qt::UserRole, ix);
 702     frame_list->blockSignals(true);
 703     frame_list->setCurrentItem(item);
 704     frame_list->blockSignals(false);
 705     m_future = QtConcurrent::run(this, &StopmotionWidget::slotPrepareThumbs);
 706 }
 707
 708 QString StopmotionWidget::getPathForFrame(int ix, QString seqName)
 709 {
 710     if (seqName.isEmpty()) seqName = m_sequenceName;
 711     return m_projectFolder.path(KUrl::AddTrailingSlash) + seqName + "_" + QString::number(ix).rightJustified(4, '0', false) + ".png";
 712 }
 713
 714 void StopmotionWidget::slotShowFrame(const QString& path)
 715 {
 716     //slotLive(false);
 717     QImage img(path);
 718     capture_button->setEnabled(false);
 719     slotLive(false);
 720     if (!img.isNull()) {
 721         //m_videoBox->setHidden(true);
 722
 723         m_frame_preview->setImage(img);
 724         m_frame_preview->setHidden(false);
 725         m_frame_preview->update();
 726     }
 727 }
 728
 729 void StopmotionWidget::slotShowSelectedFrame()
 730 {
 731     QListWidgetItem* item = frame_list->currentItem();
 732     if (item) {
 733         //int ix = item->data(Qt::UserRole).toInt();;
 734         slotShowFrame(item->toolTip());
 735     }
 736 }
 737
 738 void StopmotionWidget::slotAddSequence()
 739 {
 740     emit addOrUpdateSequence(getPathForFrame(0));
 741 }
 742
 743 void StopmotionWidget::slotPlayPreview(bool animate)
 744 {
 745     m_animate = animate;
 746     if (!animate) {
 747         // stop animation
 748         m_animationList.clear();
 749         return;
 750     }
 751     if (KdenliveSettings::showstopmotionthumbs()) {
 752         if (KdenliveSettings::sm_framesplayback() == 0) frame_list->setCurrentRow(0);
 753         else frame_list->setCurrentRow(frame_list->count() - KdenliveSettings::sm_framesplayback());
 754         QTimer::singleShot(200, this, SLOT(slotAnimate()));
 755     } else {
 756         SlideshowClip::selectedPath(getPathForFrame(0, sequence_name->currentText()), false, QString(), &m_animationList);
 757         if (KdenliveSettings::sm_framesplayback() > 0) {
 758             // only play the last x frames
 759             while (m_animationList.count() > KdenliveSettings::sm_framesplayback() + 1) {
 760                 m_animationList.removeFirst();
 761             }
 762         }
 763         m_animatedIndex = 0;
 764         slotAnimate();
 765     }
 766 }
 767
 768 void StopmotionWidget::slotAnimate()
 769 {
 770     if (m_animate) {
 771         if (KdenliveSettings::showstopmotionthumbs()) {
 772             int newRow = frame_list->currentRow() + 1;
 773             if (KdenliveSettings::sm_loop() || newRow < frame_list->count()) {
 774                 if (newRow >= frame_list->count()) {
 775                     if (KdenliveSettings::sm_framesplayback() == 0) newRow = 0;
 776                     else {
 777                         // seek to correct frame
 778                         newRow = frame_list->count() - KdenliveSettings::sm_framesplayback();
 779                     }
 780                 }
 781                 frame_list->setCurrentRow(newRow);
 782                 QTimer::singleShot(100, this, SLOT(slotAnimate()));
 783                 return;
 784             }
 785         } else {
 786             if (m_animatedIndex >= m_animationList.count()) {
 787                 if (KdenliveSettings::sm_loop()) m_animatedIndex = 0;
 788                 else m_animatedIndex = -1;
 789             }
 790             if (m_animatedIndex > -1) {
 791                 slotShowFrame(m_animationList.at(m_animatedIndex));
 792                 m_animatedIndex++;
 793                 QTimer::singleShot(100, this, SLOT(slotAnimate()));
 794                 return;
 795             }
 796         }
 797     }
 798     m_animate = false;
 799     preview_button->setChecked(false);
 800
 801 }
 802
 803 QListWidgetItem* StopmotionWidget::getFrameFromIndex(int ix)
 804 {
 805     QListWidgetItem* item = NULL;
 806     int pos = ix;
 807     if (ix >= frame_list->count()) {
 808         pos = frame_list->count() - 1;
 809     }
 810     if (ix < 0) pos = 0;
 811     item = frame_list->item(pos);
 812
 813     int value = item->data(Qt::UserRole).toInt();
 814     if (value == ix) return item;
 815     else if (value < ix) {
 816         pos++;
 817         while (pos < frame_list->count()) {
 818             item = frame_list->item(pos);
 819             value = item->data(Qt::UserRole).toInt();
 820             if (value == ix) return item;
 821             pos++;
 822         }
 823     } else {
 824         pos --;
 825         while (pos >= 0) {
 826             item = frame_list->item(pos);
 827             value = item->data(Qt::UserRole).toInt();
 828             if (value == ix) return item;
 829             pos --;
 830         }
 831     }
 832     return NULL;
 833 }
 834
 835
 836 void StopmotionWidget::selectFrame(int ix)
 837 {
 838     frame_list->blockSignals(true);
 839     QListWidgetItem* item = getFrameFromIndex(ix);
 840     if (!item) return;
 841     frame_list->setCurrentItem(item);
 842     frame_list->blockSignals(false);
 843 }
 844
 845 void StopmotionWidget::slotSeekFrame(bool forward)
 846 {
 847     int ix = frame_list->currentRow();
 848     if (forward) {
 849         if (ix < frame_list->count() - 1) frame_list->setCurrentRow(ix + 1);
 850     } else if (ix > 0) frame_list->setCurrentRow(ix - 1);
 851 }
 852
 853 void StopmotionWidget::slotRemoveFrame()
 854 {
 855     if (frame_list->currentItem() == NULL) return;
 856     QString path = frame_list->currentItem()->toolTip();
 857     if (KMessageBox::questionYesNo(this, i18n("Delete frame %1 from disk?", path), i18n("Delete Frame")) != KMessageBox::Yes) return;
 858     QFile f(path);
 859     if (f.remove()) {
 860         QListWidgetItem* item = frame_list->takeItem(frame_list->currentRow());
 861         int ix = item->data(Qt::UserRole).toInt();
 862         if (ix == m_sequenceFrame - 1) {
 863             // We are removing the last frame, update counter
 864             QListWidgetItem* item2 = frame_list->item(frame_list->count() - 1);
 865             if (item2) m_sequenceFrame = item2->data(Qt::UserRole).toInt() + 1;
 866         }
 867         delete item;
 868     }
 869 }
 870
 871 void StopmotionWidget::slotSwitchAnalyse(bool isOn)
 872 {
 873     KdenliveSettings::setAnalyse_stopmotion(isOn);
 874     if (m_captureDevice) m_captureDevice->sendFrameForAnalysis = isOn;
 875 }
 876
 877 void StopmotionWidget::slotSwitchMirror(bool isOn)
 878 {
 879     //KdenliveSettings::setAnalyse_stopmotion(isOn);
 880     if (m_captureDevice) m_captureDevice->mirror(isOn);
 881 }
 882
 883 const QString StopmotionWidget::createProducer(MltVideoProfile profile, const QString service, const QString resource)
 884 {
 885
 886     QString playlist = "<mlt title=\"capture\"><producer id=\"producer0\" in=\"0\" out=\"99999\"><property name=\"mlt_type\">producer</property><property name=\"length\">100000</property><property name=\"eof\">pause</property><property name=\"resource\">" + resource + "</property><property name=\"mlt_service\">" + service + "</property></producer>";
 887
 888     // overlay track
 889     playlist.append("<playlist id=\"playlist0\"></playlist>");
 890
 891     // video4linux track
 892     playlist.append("<playlist id=\"playlist1\"><entry producer=\"producer0\" in=\"0\" out=\"99999\"/></playlist>");
 893
 894     playlist.append("<tractor id=\"tractor0\" title=\"video0\" global_feed=\"1\" in=\"0\" out=\"99999\">");
 895     playlist.append("<track producer=\"playlist0\"/>");
 896     playlist.append("<track producer=\"playlist1\"/>");
 897     playlist.append("</tractor></mlt>");
 898
 899
 900     return playlist;
 901 }
 902
 903
 904