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

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "trackview.h"
  22 #include "definitions.h"
  23 #include "headertrack.h"
  24 #include "clipitem.h"
  25 #include "transition.h"
  26 #include "kdenlivesettings.h"
  27 #include "clipmanager.h"
  28 #include "customruler.h"
  29 #include "kdenlivedoc.h"
  30 #include "mainwindow.h"
  31 #include "customtrackview.h"
  32 #include "initeffects.h"
  33
  34 #include <KDebug>
  35 #include <KMessageBox>
  36
  37 #include <QScrollBar>
  38
  39 TrackView::TrackView(KdenliveDoc *doc, QWidget *parent) :
  40         QWidget(parent),
  41         m_scale(1.0),
  42         m_projectTracks(0),
  43         m_doc(doc)
  44 {
  45
  46     m_view.setupUi(this);
  47
  48     m_scene = new CustomTrackScene(doc);
  49     m_trackview = new CustomTrackView(doc, m_scene, parent);
  50     m_trackview->scale(1, 1);
  51     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  52     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  53
  54     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  55     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  56     QHBoxLayout *layout = new QHBoxLayout;
  57     layout->setContentsMargins(m_trackview->frameWidth(), 0, 0, 0);
  58     layout->setSpacing(0);
  59     m_view.ruler_frame->setLayout(layout);
  60     layout->addWidget(m_ruler);
  61
  62     QHBoxLayout *tracksLayout = new QHBoxLayout;
  63     tracksLayout->setContentsMargins(0, 0, 0, 0);
  64     tracksLayout->setSpacing(0);
  65     m_view.tracks_frame->setLayout(tracksLayout);
  66
  67     m_view.headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  68     m_view.headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  69
  70     m_headersLayout = new QVBoxLayout;
  71     m_headersLayout->setContentsMargins(0, m_trackview->frameWidth(), 0, 0);
  72     m_headersLayout->setSpacing(0);
  73     m_view.headers_container->setLayout(m_headersLayout);
  74
  75     connect(m_view.headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
  76
  77     tracksLayout->addWidget(m_trackview);
  78
  79     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), m_view.headers_area->verticalScrollBar(), SLOT(setValue(int)));
  80     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
  81
  82     parseDocument(m_doc->toXml());
  83     m_doc->setSceneList();
  84     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
  85     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
  86     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
  87     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
  88
  89     slotChangeZoom(m_doc->zoom());
  90     slotSetZone(m_doc->zone());
  91 }
  92
  93
  94 int TrackView::duration() const
  95 {
  96     return m_trackview->duration();
  97 }
  98
  99 int TrackView::tracksNumber() const
 100 {
 101     return m_projectTracks - 1;
 102 }
 103
 104 int TrackView::inPoint() const
 105 {
 106     return m_ruler->inPoint();
 107 }
 108
 109 int TrackView::outPoint() const
 110 {
 111     return m_ruler->outPoint();
 112 }
 113
 114 void TrackView::slotSetZone(QPoint p)
 115 {
 116     m_ruler->setZone(p);
 117 }
 118
 119 void TrackView::setDuration(int dur)
 120 {
 121     m_trackview->setDuration(dur);
 122     m_ruler->setDuration(dur);
 123 }
 124
 125 void TrackView::parseDocument(QDomDocument doc)
 126 {
 127     //int cursorPos = 0;
 128     m_documentErrors.clear();
 129
 130     //kDebug() << "//// DOCUMENT: " << doc.toString();
 131     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 132     if (!props.isNull()) {
 133         cursorPos = props.toElement().attribute("timeline_position").toInt();
 134     }*/
 135
 136     // parse project tracks
 137     QDomElement tractor = doc.elementsByTagName("tractor").item(0).toElement();
 138     QDomNodeList tracks = doc.elementsByTagName("track");
 139     QDomNodeList playlists = doc.elementsByTagName("playlist");
 140     int duration = 300;
 141     m_projectTracks = tracks.count();
 142     int trackduration = 0;
 143     QDomElement e;
 144     QDomElement p;
 145
 146     int pos = m_projectTracks - 1;
 147     m_invalidProducers.clear();
 148     QDomNodeList producers = doc.elementsByTagName("producer");
 149     for (int i = 0; i < producers.count(); i++) {
 150         // Check for invalid producers
 151         QDomNode n = producers.item(i);
 152         e = n.toElement();
 153
 154         /*
 155         // Check for invalid markup
 156         QDomNodeList params = e.elementsByTagName("property");
 157         for (int j = 0; j < params.count(); j++) {
 158             QDomElement p = params.item(j).toElement();
 159             if (p.attribute("name") == "markup") {
 160          QString val = p.text().toUtf8().data();
 161          kDebug()<<"//FOUND MARKUP, VAL: "<<val;
 162          //e.setAttribute("value", value);
 163          n.removeChild(params.item(j));
 164          break;
 165             }
 166         }
 167         */
 168
 169         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 170         int in = e.attribute("in").toInt();
 171         int out = e.attribute("out").toInt();
 172         if (in > out || in == out) {
 173             // invalid producer, remove it
 174             QString id = e.attribute("id");
 175             m_invalidProducers.append(id);
 176             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 177             doc.documentElement().removeChild(producers.at(i));
 178             i--;
 179         }
 180     }
 181
 182     for (int i = 0; i < m_projectTracks; i++) {
 183         e = tracks.item(i).toElement();
 184         QString playlist_name = e.attribute("producer");
 185         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 186             // find playlist related to this track
 187             p = QDomElement();
 188             for (int j = 0; j < m_projectTracks; j++) {
 189                 p = playlists.item(j).toElement();
 190                 if (p.attribute("id") == playlist_name) break;
 191             }
 192             if (p.attribute("id") != playlist_name) { // then it didn't work.
 193                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 194             }
 195             if (e.attribute("hide") == "video") {
 196                 m_doc->switchTrackVideo(i - 1, true);
 197             } else if (e.attribute("hide") == "audio") {
 198                 m_doc->switchTrackAudio(i - 1, true);
 199             } else if (e.attribute("hide") == "both") {
 200                 m_doc->switchTrackVideo(i - 1, true);
 201                 m_doc->switchTrackAudio(i - 1, true);
 202             }
 203
 204             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1));
 205             pos--;
 206             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 207             if (trackduration > duration) duration = trackduration;
 208         } else {
 209             // background black track
 210             for (int j = 0; j < m_projectTracks; j++) {
 211                 p = playlists.item(j).toElement();
 212                 if (p.attribute("id") == playlist_name) break;
 213             }
 214             int black_clips = p.childNodes().count();
 215             for (int i = 0; i < black_clips; i++)
 216                 m_doc->loadingProgressed();
 217             qApp->processEvents();
 218             pos--;
 219         }
 220     }
 221
 222     // parse transitions
 223     QDomNodeList transitions = doc.elementsByTagName("transition");
 224
 225     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 226     for (int i = 0; i < transitions.count(); i++) {
 227         e = transitions.item(i).toElement();
 228         QDomNodeList transitionparams = e.childNodes();
 229         bool transitionAdd = true;
 230         int a_track = 0;
 231         int b_track = 0;
 232         bool isAutomatic = false;
 233         bool forceTrack = false;
 234         QString mlt_geometry;
 235         QString mlt_service;
 236         QString transitionId;
 237         for (int k = 0; k < transitionparams.count(); k++) {
 238             p = transitionparams.item(k).toElement();
 239             if (!p.isNull()) {
 240                 QString paramName = p.attribute("name");
 241                 // do not add audio mixing transitions
 242                 if (paramName == "internal_added" && p.text() == "237") {
 243                     transitionAdd = false;
 244                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 245                     //break;
 246                 } else if (paramName == "a_track") a_track = p.text().toInt();
 247                 else if (paramName == "b_track") b_track = p.text().toInt();
 248                 else if (paramName == "mlt_service") mlt_service = p.text();
 249                 else if (paramName == "kdenlive_id") transitionId = p.text();
 250                 else if (paramName == "geometry") mlt_geometry = p.text();
 251                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 252                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 253             }
 254         }
 255         if (transitionAdd || mlt_service != "mix") {
 256             // Transition should be added to the scene
 257             ItemInfo transitionInfo;
 258             if (mlt_service == "composite" && transitionId.isEmpty()) {
 259                 // When adding composite transition, check if it is a wipe transition
 260                 if (mlt_geometry.count(';') == 1) {
 261                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 262                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 263                     QString start = mlt_geometry.section(';', 0, 0);
 264                     start = start.section(':', 0, 1);
 265                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 266                     QString end = mlt_geometry.section('=', 1, 1);
 267                     end = end.section(':', 0, 1);
 268                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 269                     start.append(',' + end);
 270                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 271                     bool isWipeTransition = true;
 272                     int checkNumber;
 273                     for (int i = 0; i < numbers.size(); ++i) {
 274                         checkNumber = qAbs(numbers.at(i).toInt());
 275                         if (checkNumber != 0 && checkNumber != 100) {
 276                             isWipeTransition = false;
 277                             break;
 278                         }
 279                     }
 280                     if (isWipeTransition) transitionId = "slide";
 281                 }
 282             }
 283             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 284
 285             for (int k = 0; k < transitionparams.count(); k++) {
 286                 p = transitionparams.item(k).toElement();
 287                 if (!p.isNull()) {
 288                     QString paramName = p.attribute("name");
 289                     QString paramValue = p.text();
 290
 291                     QDomNodeList params = base.elementsByTagName("parameter");
 292                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 293                             QDomElement e = params.item(i).toElement();
 294                             if (!e.isNull() && e.attribute("tag") == paramName) {
 295                                 if (e.attribute("type") == "double") {
 296                                     QString factor = e.attribute("factor", "1");
 297                                     if (factor != "1") {
 298                                         double val = paramValue.toDouble() * factor.toDouble();
 299                                         paramValue = QString::number(val);
 300                                     }
 301                                 }
 302                                 e.setAttribute("value", paramValue);
 303                                 break;
 304                             }
 305                         }
 306                 }
 307             }
 308
 309             /*QDomDocument doc;
 310             doc.appendChild(doc.importNode(base, true));
 311             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 312
 313             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 314             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 315             transitionInfo.track = m_projectTracks - 1 - b_track;
 316             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 317             if (transitionInfo.startPos >= transitionInfo.endPos) {
 318                 // invalid transition, remove it.
 319                 m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 320                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 321                 tractor.removeChild(transitions.item(i));
 322                 i--;
 323             } else {
 324                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 325                 if (forceTrack) tr->setForcedTrack(true, a_track);
 326                 m_scene->addItem(tr);
 327                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 328                     tr->setItemLocked(true);
 329                 }
 330             }
 331         }
 332     }
 333
 334     // Add guides
 335     QDomNodeList guides = doc.elementsByTagName("guide");
 336     for (int i = 0; i < guides.count(); i++) {
 337         e = guides.item(i).toElement();
 338         const QString comment = e.attribute("comment");
 339         const GenTime pos = GenTime(e.attribute("time").toDouble());
 340         m_trackview->addGuide(pos, comment);
 341     }
 342
 343     // Rebuild groups
 344     QDomNodeList groups = doc.elementsByTagName("group");
 345     m_trackview->loadGroups(groups);
 346
 347     m_trackview->setDuration(duration);
 348     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 349     slotRebuildTrackHeaders();
 350     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 351     //m_trackview->setCursorPos(cursorPos);
 352     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 353 }
 354
 355 void TrackView::slotDeleteClip(const QString &clipId)
 356 {
 357     m_trackview->deleteClip(clipId);
 358 }
 359
 360 void TrackView::setCursorPos(int pos)
 361 {
 362     m_trackview->setCursorPos(pos);
 363 }
 364
 365 void TrackView::moveCursorPos(int pos)
 366 {
 367     m_trackview->setCursorPos(pos, false);
 368 }
 369
 370 void TrackView::slotChangeZoom(int factor)
 371 {
 372     m_doc->setZoom(factor);
 373     m_ruler->setPixelPerMark(factor);
 374     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
 375     m_trackview->setScale(m_scale);
 376 }
 377
 378 int TrackView::fitZoom() const
 379 {
 380     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 381     int i;
 382     for (i = 0; i < 13; i++)
 383         if (m_ruler->comboScale[i] > zoom) break;
 384     return i;
 385 }
 386
 387 KdenliveDoc *TrackView::document()
 388 {
 389     return m_doc;
 390 }
 391
 392 void TrackView::refresh()
 393 {
 394     m_trackview->viewport()->update();
 395 }
 396
 397 void TrackView::slotRebuildTrackHeaders()
 398 {
 399     QList <TrackInfo> list = m_doc->tracksList();
 400     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 401     qDeleteAll(widgets);
 402     int max = list.count();
 403     for (int i = 0; i < max; i++) {
 404         HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
 405         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 406         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 407         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 408
 409         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 410         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 411         connect(header, SIGNAL(changeTrack(int)), this, SIGNAL(changeTrack(int)));
 412         m_headersLayout->addWidget(header);
 413     }
 414     m_view.headers_container->adjustSize();
 415 }
 416
 417
 418 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked)
 419 {
 420     // parse track
 421     int position = 0;
 422     QDomNodeList children = xml.childNodes();
 423     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 424         QDomNode n = children.item(nodeindex);
 425         QDomElement elem = n.toElement();
 426         if (elem.tagName() == "blank") {
 427             position += elem.attribute("length").toInt();
 428         } else if (elem.tagName() == "entry") {
 429             m_doc->loadingProgressed();
 430             qApp->processEvents();
 431             // Found a clip
 432             int in = elem.attribute("in").toInt();
 433             int out = elem.attribute("out").toInt();
 434             if (in > out || in == out || m_invalidProducers.contains(elem.attribute("producer"))) {
 435                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 436                 xml.removeChild(children.at(nodeindex));
 437                 nodeindex--;
 438                 continue;
 439             }
 440             QString idString = elem.attribute("producer");
 441             QString id = idString;
 442             double speed = 1.0;
 443             if (idString.startsWith("slowmotion")) {
 444                 id = idString.section(':', 1, 1);
 445                 speed = idString.section(':', 2, 2).toDouble();
 446             } else id = id.section('_', 0, 0);
 447             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 448             if (clip == NULL) {
 449                 // The clip in playlist was not listed in the kdenlive producers,
 450                 // something went wrong, repair required.
 451                 kWarning() << "CANNOT INSERT CLIP " << id;
 452
 453                 clip = getMissingProducer(id);
 454                 if (!clip) {
 455                     // We cannot find the producer, something is really wrong, add
 456                     // placeholder color clip
 457                     QDomDocument doc;
 458                     QDomElement producerXml = doc.createElement("producer");
 459                     doc.appendChild(producerXml);
 460                     producerXml.setAttribute("colour", "0xff0000ff");
 461                     producerXml.setAttribute("mlt_service", "colour");
 462                     producerXml.setAttribute("length", "15000");
 463                     producerXml.setAttribute("name", "INVALID");
 464                     producerXml.setAttribute("type", COLOR);
 465                     producerXml.setAttribute("id", id);
 466                     clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
 467                     xml.insertBefore(producerXml, QDomNode());
 468                     m_doc->clipManager()->addClip(clip);
 469
 470                     m_documentErrors.append(i18n("Broken clip producer %1", id) + '\n');
 471                 } else {
 472                     // Found correct producer
 473                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 474                     elem.setAttribute("producer", clip->getId());
 475                 }
 476                 m_doc->setModified(true);
 477             }
 478
 479             if (clip != NULL) {
 480                 ItemInfo clipinfo;
 481                 clipinfo.startPos = GenTime(position, m_doc->fps());
 482                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 483                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 484                 clipinfo.track = ix;
 485                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 486                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, false);
 487                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 488                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 489                 m_scene->addItem(item);
 490                 if (locked) item->setItemLocked(true);
 491                 clip->addReference();
 492                 position += (out - in + 1);
 493
 494                 // parse clip effects
 495                 QDomNodeList effects = elem.childNodes();
 496                 for (int ix = 0; ix < effects.count(); ix++) {
 497                     QDomElement effect = effects.at(ix).toElement();
 498                     if (effect.tagName() == "filter") {
 499                         // add effect to clip
 500                         QString effecttag;
 501                         QString effectid;
 502                         QString effectindex;
 503                         QString ladspaEffectFile;
 504                         // Get effect tag & index
 505                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 506                             // parse effect parameters
 507                             QDomElement effectparam = n3.toElement();
 508                             if (effectparam.attribute("name") == "tag") {
 509                                 effecttag = effectparam.text();
 510                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 511                                 effectid = effectparam.text();
 512                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 513                                 effectindex = effectparam.text();
 514                             } else if (effectparam.attribute("name") == "src") {
 515                                 ladspaEffectFile = effectparam.text();
 516                                 if (!QFile::exists(ladspaEffectFile)) {
 517                                     // If the ladspa effect file is missing, recreate it
 518                                     kDebug() << "// MISSING LADSPA FILE: " << ladspaEffectFile;
 519                                     ladspaEffectFile = m_doc->getLadspaFile();
 520                                     effectparam.firstChild().setNodeValue(ladspaEffectFile);
 521                                     kDebug() << "// ... REPLACED WITH: " << ladspaEffectFile;
 522                                 }
 523                             }
 524                         }
 525                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 526                         // get effect standard tags
 527                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 528                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 529                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 530                         if (clipeffect.isNull()) {
 531                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 532                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 533                             elem.removeChild(effects.at(ix));
 534                             ix--;
 535                         } else {
 536                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 537                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 538                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 539
 540                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 541                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 542                                 // effect is key-framable, read all effects to retrieve keyframes
 543                                 double factor = 0;
 544                                 QString starttag;
 545                                 QString endtag;
 546                                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 547                                 for (int i = 0; i < params.count(); i++) {
 548                                     QDomElement e = params.item(i).toElement();
 549                                     if (e.attribute("type") == "keyframe") {
 550                                         starttag = e.attribute("starttag", "start");
 551                                         endtag = e.attribute("endtag", "end");
 552                                         factor = e.attribute("factor", "1").toDouble();
 553                                         break;
 554                                     }
 555                                 }
 556                                 QString keyframes;
 557                                 int effectin = effect.attribute("in").toInt();
 558                                 int effectout = effect.attribute("out").toInt();
 559                                 double startvalue = 0;
 560                                 double endvalue = 0;
 561                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 562                                     // parse effect parameters
 563                                     QDomElement effectparam = n3.toElement();
 564                                     if (effectparam.attribute("name") == starttag)
 565                                         startvalue = effectparam.text().toDouble() * factor;
 566                                     if (effectparam.attribute("name") == endtag)
 567                                         endvalue = effectparam.text().toDouble() * factor;
 568                                 }
 569                                 // add first keyframe
 570                                 keyframes.append(QString::number(effectin) + ':' + QString::number(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 571                                 QDomNode lastParsedEffect;
 572                                 ix++;
 573                                 QDomNode n2 = effects.at(ix);
 574                                 bool continueParsing = true;
 575                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 576                                     // parse all effects
 577                                     QDomElement kfreffect = n2.toElement();
 578                                     int effectout = kfreffect.attribute("out").toInt();
 579
 580                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 581                                         // parse effect parameters
 582                                         QDomElement subeffectparam = n4.toElement();
 583                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 584                                             //We are not in the same effect, stop parsing
 585                                             lastParsedEffect = n2.previousSibling();
 586                                             ix--;
 587                                             continueParsing = false;
 588                                             break;
 589                                         } else if (subeffectparam.attribute("name") == endtag) {
 590                                             endvalue = subeffectparam.text().toDouble() * factor;
 591                                             break;
 592                                         }
 593                                     }
 594                                     if (continueParsing) {
 595                                         keyframes.append(QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 596                                         ix++;
 597                                     }
 598                                 }
 599
 600                                 params = currenteffect.elementsByTagName("parameter");
 601                                 for (int i = 0; i < params.count(); i++) {
 602                                     QDomElement e = params.item(i).toElement();
 603                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 604                                 }
 605                                 if (!continueParsing) {
 606                                     n2 = lastParsedEffect;
 607                                 }
 608                             } else {
 609                                 // Check if effect has in/out points
 610                                 if (effect.hasAttribute("in")) {
 611                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 612                                 }
 613                                 if (effect.hasAttribute("out")) {
 614                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 615                                 }
 616                             }
 617
 618                             // adjust effect parameters
 619                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 620                                 // parse effect parameters
 621                                 QDomElement effectparam = n3.toElement();
 622                                 QString paramname = effectparam.attribute("name");
 623                                 QString paramvalue = effectparam.text();
 624
 625
 626                                 // try to find this parameter in the effect xml
 627                                 QDomElement e;
 628                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 629                                     e = clipeffectparams.item(k).toElement();
 630                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 631                                         double factor = e.attribute("factor", "1").toDouble();
 632                                         if (factor != 1) {
 633                                             e.setAttribute("value", paramvalue.toDouble() * factor);
 634                                         } else e.setAttribute("value", paramvalue);
 635                                         break;
 636                                     }
 637                                 }
 638                             }
 639                             if (effecttag == "ladspa") {
 640                                 //QString ladspaEffectFile = EffectsList::parameter(effect, "src", "property");
 641
 642                                 if (!QFile::exists(ladspaEffectFile)) {
 643                                     // If the ladspa effect file is missing, recreate it
 644                                     initEffects::ladspaEffectFile(ladspaEffectFile, currenteffect.attribute("ladspaid").toInt(), m_trackview->getLadspaParams(currenteffect));
 645                                 }
 646                                 currenteffect.setAttribute("src", ladspaEffectFile);
 647                             }
 648                             item->addEffect(currenteffect, false);
 649                             item->effectsCounter();
 650                         }
 651                     }
 652                 }
 653             }
 654             //m_clipList.append(clip);
 655         }
 656     }
 657     //m_trackDuration = position;
 658
 659
 660     //documentTracks.insert(ix, track);
 661     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 662     return position;
 663     //track->show();
 664 }
 665
 666 DocClipBase *TrackView::getMissingProducer(const QString id) const
 667 {
 668     QDomElement missingXml;
 669     QDomDocument doc = m_doc->toXml();
 670     QString docRoot = doc.documentElement().attribute("root");
 671     if (!docRoot.endsWith('/')) docRoot.append('/');
 672     QDomNodeList prods = doc.elementsByTagName("producer");
 673     int maxprod = prods.count();
 674     for (int i = 0; i < maxprod; i++) {
 675         QDomNode m = prods.at(i);
 676         QString prodId = m.toElement().attribute("id");
 677         if (prodId == id) {
 678             missingXml =  m.toElement();
 679             break;
 680         }
 681     }
 682     if (missingXml == QDomElement()) return NULL;
 683
 684     QDomNodeList params = missingXml.childNodes();
 685     QString resource;
 686     for (int j = 0; j < params.count(); j++) {
 687         QDomElement e = params.item(j).toElement();
 688         if (e.attribute("name") == "resource") {
 689             resource = e.firstChild().nodeValue();
 690             break;
 691         }
 692     }
 693     // prepend MLT XML document root if no path in clip resource and not a color clip
 694     if (!resource.contains('/') && !resource.startsWith("0x")) resource.prepend(docRoot);
 695     DocClipBase *missingClip = NULL;
 696     if (!resource.isEmpty())
 697         missingClip = m_doc->clipManager()->getClipByResource(resource);
 698     return missingClip;
 699 }
 700
 701 QGraphicsScene *TrackView::projectScene()
 702 {
 703     return m_scene;
 704 }
 705
 706 CustomTrackView *TrackView::projectView()
 707 {
 708     return m_trackview;
 709 }
 710
 711 void TrackView::setEditMode(const QString & editMode)
 712 {
 713     m_editMode = editMode;
 714 }
 715
 716 const QString & TrackView::editMode() const
 717 {
 718     return m_editMode;
 719 }
 720
 721 void TrackView::slotChangeTrackLock(int ix, bool lock)
 722 {
 723     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 724     widgets.at(ix)->setLock(lock);
 725 }
 726
 727
 728 #include "trackview.moc"