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     view = new Ui::TimeLine_UI();
  47     view->setupUi(this);
  48
  49     m_scene = new CustomTrackScene(doc);
  50     m_trackview = new CustomTrackView(doc, m_scene, parent);
  51     m_trackview->scale(1, 1);
  52     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  53     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  54
  55     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  56     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  57     QHBoxLayout *layout = new QHBoxLayout;
  58     view->ruler_frame->setLayout(layout);
  59     int left_margin;
  60     int right_margin;
  61     layout->getContentsMargins(&left_margin, 0, &right_margin, 0);
  62     layout->setContentsMargins(left_margin, 0, right_margin, 0);
  63     layout->addWidget(m_ruler);
  64
  65     QHBoxLayout *tracksLayout = new QHBoxLayout;
  66     tracksLayout->setContentsMargins(0, 0, 0, 0);
  67     view->tracks_frame->setLayout(tracksLayout);
  68
  69     view->headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  70     view->headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  71
  72     m_headersLayout = new QVBoxLayout;
  73     m_headersLayout->setContentsMargins(0, 0, 0, 0);
  74     m_headersLayout->setSpacing(0);
  75     view->headers_container->setLayout(m_headersLayout);
  76
  77     connect(view->headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
  78
  79     tracksLayout->addWidget(m_trackview);
  80
  81     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), view->headers_area->verticalScrollBar(), SLOT(setValue(int)));
  82     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
  83
  84     parseDocument(m_doc->toXml());
  85     m_doc->setSceneList();
  86     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
  87     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
  88     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
  89     connect(m_trackview, SIGNAL(transitionItemSelected(Transition*, bool)), this, SLOT(slotTransitionItemSelected(Transition*, bool)));
  90     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
  91
  92     slotChangeZoom(m_doc->zoom());
  93     slotSetZone(m_doc->zone());
  94 }
  95
  96
  97 int TrackView::duration() const
  98 {
  99     return m_trackview->duration();
 100 }
 101
 102 int TrackView::tracksNumber() const
 103 {
 104     return m_projectTracks - 1;
 105 }
 106
 107 int TrackView::inPoint() const
 108 {
 109     return m_ruler->inPoint();
 110 }
 111
 112 int TrackView::outPoint() const
 113 {
 114     return m_ruler->outPoint();
 115 }
 116
 117 void TrackView::slotSetZone(QPoint p)
 118 {
 119     m_ruler->setZone(p);
 120 }
 121
 122 void TrackView::slotTransitionItemSelected(Transition *t, bool update)
 123 {
 124     emit transitionItemSelected(t, update);
 125 }
 126
 127 void TrackView::setDuration(int dur)
 128 {
 129     m_trackview->setDuration(dur);
 130     m_ruler->setDuration(dur);
 131 }
 132
 133 void TrackView::parseDocument(QDomDocument doc)
 134 {
 135     //int cursorPos = 0;
 136     m_documentErrors.clear();
 137
 138     //kDebug() << "//// DOCUMENT: " << doc.toString();
 139     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 140     if (!props.isNull()) {
 141         cursorPos = props.toElement().attribute("timeline_position").toInt();
 142     }*/
 143
 144     // parse project tracks
 145     QDomElement tractor = doc.elementsByTagName("tractor").item(0).toElement();
 146     QDomNodeList tracks = doc.elementsByTagName("track");
 147     QDomNodeList playlists = doc.elementsByTagName("playlist");
 148     int duration = 300;
 149     m_projectTracks = tracks.count();
 150     int trackduration = 0;
 151     QDomElement e;
 152     QDomElement p;
 153
 154     int pos = m_projectTracks - 1;
 155     m_invalidProducers.clear();
 156     QDomNodeList producers = doc.elementsByTagName("producer");
 157     for (int i = 0; i < producers.count(); i++) {
 158         // Check for invalid producers
 159         QDomNode n = producers.item(i);
 160         e = n.toElement();
 161
 162         /*
 163         // Check for invalid markup
 164         QDomNodeList params = e.elementsByTagName("property");
 165         for (int j = 0; j < params.count(); j++) {
 166             QDomElement p = params.item(j).toElement();
 167             if (p.attribute("name") == "markup") {
 168          QString val = p.text().toUtf8().data();
 169          kDebug()<<"//FOUND MARKUP, VAL: "<<val;
 170          //e.setAttribute("value", value);
 171          n.removeChild(params.item(j));
 172          break;
 173             }
 174         }
 175         */
 176
 177         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 178         int in = e.attribute("in").toInt();
 179         int out = e.attribute("out").toInt();
 180         if (in > out || in == out) {
 181             // invalid producer, remove it
 182             QString id = e.attribute("id");
 183             m_invalidProducers.append(id);
 184             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 185             doc.documentElement().removeChild(producers.at(i));
 186             i--;
 187         }
 188     }
 189
 190     for (int i = 0; i < m_projectTracks; i++) {
 191         e = tracks.item(i).toElement();
 192         QString playlist_name = e.attribute("producer");
 193         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 194             // find playlist related to this track
 195             p = QDomElement();
 196             for (int j = 0; j < m_projectTracks; j++) {
 197                 p = playlists.item(j).toElement();
 198                 if (p.attribute("id") == playlist_name) break;
 199             }
 200             if (p.attribute("id") != playlist_name) { // then it didn't work.
 201                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 202             }
 203             if (e.attribute("hide") == "video") {
 204                 m_doc->switchTrackVideo(i - 1, true);
 205             } else if (e.attribute("hide") == "audio") {
 206                 m_doc->switchTrackAudio(i - 1, true);
 207             } else if (e.attribute("hide") == "both") {
 208                 m_doc->switchTrackVideo(i - 1, true);
 209                 m_doc->switchTrackAudio(i - 1, true);
 210             }
 211
 212             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1));
 213             pos--;
 214             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 215             if (trackduration > duration) duration = trackduration;
 216         } else {
 217             // background black track
 218             for (int j = 0; j < m_projectTracks; j++) {
 219                 p = playlists.item(j).toElement();
 220                 if (p.attribute("id") == playlist_name) break;
 221             }
 222             int black_clips = p.childNodes().count();
 223             for (int i = 0; i < black_clips; i++)
 224                 m_doc->loadingProgressed();
 225             qApp->processEvents();
 226             pos--;
 227         }
 228     }
 229
 230     // parse transitions
 231     QDomNodeList transitions = doc.elementsByTagName("transition");
 232
 233     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 234     for (int i = 0; i < transitions.count(); i++) {
 235         e = transitions.item(i).toElement();
 236         QDomNodeList transitionparams = e.childNodes();
 237         bool transitionAdd = true;
 238         int a_track = 0;
 239         int b_track = 0;
 240         bool isAutomatic = false;
 241         bool forceTrack = false;
 242         QString mlt_geometry;
 243         QString mlt_service;
 244         for (int k = 0; k < transitionparams.count(); k++) {
 245             p = transitionparams.item(k).toElement();
 246             if (!p.isNull()) {
 247                 QString paramName = p.attribute("name");
 248                 // do not add audio mixing transitions
 249                 if (paramName == "internal_added" && p.text() == "237") {
 250                     transitionAdd = false;
 251                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 252                     //break;
 253                 } else if (paramName == "a_track") a_track = p.text().toInt();
 254                 else if (paramName == "b_track") b_track = p.text().toInt();
 255                 else if (paramName == "mlt_service") mlt_service = p.text();
 256                 else if (paramName == "geometry") mlt_geometry = p.text();
 257                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 258                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 259             }
 260         }
 261         if (transitionAdd || mlt_service != "mix") {
 262             // Transition should be added to the scene
 263             ItemInfo transitionInfo;
 264             QString transitionId;
 265             if (mlt_service == "composite") {
 266                 // When adding composite transition, check if it is a wipe transition
 267                 if (mlt_geometry.count(';') == 1) {
 268                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 269                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 270                     QString start = mlt_geometry.section(';', 0, 0);
 271                     start = start.section(':', 0, 1);
 272                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 273                     QString end = mlt_geometry.section('=', 1, 1);
 274                     end = end.section(':', 0, 1);
 275                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 276                     start.append(',' + end);
 277                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 278                     bool isWipeTransition = true;
 279                     int checkNumber;
 280                     for (int i = 0; i < numbers.size(); ++i) {
 281                         checkNumber = qAbs(numbers.at(i).toInt());
 282                         if (checkNumber != 0 && checkNumber != 100) {
 283                             isWipeTransition = false;
 284                             break;
 285                         }
 286                     }
 287                     if (isWipeTransition) transitionId = "wipe";
 288                 }
 289             }
 290             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 291
 292             for (int k = 0; k < transitionparams.count(); k++) {
 293                 p = transitionparams.item(k).toElement();
 294                 if (!p.isNull()) {
 295                     QString paramName = p.attribute("name");
 296                     QString paramValue = p.text();
 297
 298                     QDomNodeList params = base.elementsByTagName("parameter");
 299                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 300                             QDomElement e = params.item(i).toElement();
 301                             if (!e.isNull() && e.attribute("tag") == paramName) {
 302                                 if (e.attribute("type") == "double") {
 303                                     QString factor = e.attribute("factor", "1");
 304                                     if (factor != "1") {
 305                                         double val = paramValue.toDouble() * factor.toDouble();
 306                                         paramValue = QString::number(val);
 307                                     }
 308                                 }
 309                                 e.setAttribute("value", paramValue);
 310                                 break;
 311                             }
 312                         }
 313                 }
 314             }
 315
 316             /*QDomDocument doc;
 317             doc.appendChild(doc.importNode(base, true));
 318             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 319
 320             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 321             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 322             transitionInfo.track = m_projectTracks - 1 - b_track;
 323             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 324             if (transitionInfo.startPos >= transitionInfo.endPos) {
 325                 // invalid transition, remove it.
 326                 m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 327                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 328                 tractor.removeChild(transitions.item(i));
 329                 i--;
 330             } else {
 331                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 332                 if (forceTrack) tr->setForcedTrack(true, a_track);
 333                 m_scene->addItem(tr);
 334                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 335                     tr->setItemLocked(true);
 336                 }
 337             }
 338         }
 339     }
 340
 341     // Add guides
 342     QDomNodeList guides = doc.elementsByTagName("guide");
 343     for (int i = 0; i < guides.count(); i++) {
 344         e = guides.item(i).toElement();
 345         const QString comment = e.attribute("comment");
 346         const GenTime pos = GenTime(e.attribute("time").toDouble());
 347         m_trackview->addGuide(pos, comment);
 348     }
 349
 350     // Rebuild groups
 351     QDomNodeList groups = doc.elementsByTagName("group");
 352     m_trackview->loadGroups(groups);
 353
 354     m_trackview->setDuration(duration);
 355     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 356     slotRebuildTrackHeaders();
 357     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 358     //m_trackview->setCursorPos(cursorPos);
 359     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 360 }
 361
 362 void TrackView::slotDeleteClip(const QString &clipId)
 363 {
 364     m_trackview->deleteClip(clipId);
 365 }
 366
 367 void TrackView::setCursorPos(int pos)
 368 {
 369     m_trackview->setCursorPos(pos);
 370 }
 371
 372 void TrackView::moveCursorPos(int pos)
 373 {
 374     m_trackview->setCursorPos(pos, false);
 375 }
 376
 377 void TrackView::slotChangeZoom(int factor)
 378 {
 379     m_doc->setZoom(factor);
 380     m_ruler->setPixelPerMark(factor);
 381     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
 382     m_trackview->setScale(m_scale);
 383 }
 384
 385 int TrackView::fitZoom() const
 386 {
 387     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 388     int i;
 389     for (i = 0; i < 13; i++)
 390         if (m_ruler->comboScale[i] > zoom) break;
 391     return i;
 392 }
 393
 394 KdenliveDoc *TrackView::document()
 395 {
 396     return m_doc;
 397 }
 398
 399 void TrackView::refresh()
 400 {
 401     m_trackview->viewport()->update();
 402 }
 403
 404 void TrackView::slotRebuildTrackHeaders()
 405 {
 406     QList <TrackInfo> list = m_doc->tracksList();
 407     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 408     for (int i = 0; i < widgets.count(); i++)
 409         delete widgets.at(i);
 410     int max = list.count();
 411     for (int i = 0; i < max; i++) {
 412         HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
 413         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 414         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 415         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 416
 417         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 418         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 419         connect(header, SIGNAL(changeTrack(int)), this, SIGNAL(changeTrack(int)));
 420         m_headersLayout->addWidget(header);
 421     }
 422     view->headers_container->adjustSize();
 423 }
 424
 425
 426 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked)
 427 {
 428     // parse track
 429     int position = 0;
 430     QDomNodeList children = xml.childNodes();
 431     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 432         QDomNode n = children.item(nodeindex);
 433         QDomElement elem = n.toElement();
 434         if (elem.tagName() == "blank") {
 435             position += elem.attribute("length").toInt();
 436         } else if (elem.tagName() == "entry") {
 437             m_doc->loadingProgressed();
 438             qApp->processEvents();
 439             // Found a clip
 440             int in = elem.attribute("in").toInt();
 441             int out = elem.attribute("out").toInt();
 442             if (in > out || in == out || m_invalidProducers.contains(elem.attribute("producer"))) {
 443                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 444                 xml.removeChild(children.at(nodeindex));
 445                 nodeindex--;
 446                 continue;
 447             }
 448             QString idString = elem.attribute("producer");
 449             QString id = idString;
 450             double speed = 1.0;
 451             if (idString.startsWith("slowmotion")) {
 452                 id = idString.section(':', 1, 1);
 453                 speed = idString.section(':', 2, 2).toDouble();
 454             } else id = id.section('_', 0, 0);
 455             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 456             if (clip == NULL) {
 457                 // The clip in playlist was not listed in the kdenlive producers,
 458                 // something went wrong, repair required.
 459                 kWarning() << "CANNOT INSERT CLIP " << id;
 460
 461                 clip = getMissingProducer(id);
 462                 if (!clip) {
 463                     // We cannot find the producer, something is really wrong, add
 464                     // placeholder color clip
 465                     /*QDomElement producerXml;
 466                     producerXml.setTagName("producer");
 467                     producerXml.setAttribute("resource", "0xff0000ff");
 468                     producerXml.setAttribute("mlt_service", "colour");
 469                     producerXml.setAttribute("length", "15000");
 470                     producerXml.setAttribute("id", id);
 471                     missingClip = new DocClipBase(m_doc->clipManager(), producerXml, id);*/
 472                     m_documentErrors.append(i18n("Broken clip producer %1", id) + '\n');
 473                 } else {
 474                     // Found correct producer
 475                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 476                     elem.setAttribute("producer", clip->getId());
 477                 }
 478                 m_doc->setModified(true);
 479             }
 480
 481             if (clip != NULL) {
 482                 ItemInfo clipinfo;
 483                 clipinfo.startPos = GenTime(position, m_doc->fps());
 484                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 485                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 486                 clipinfo.track = ix;
 487                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 488                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, false);
 489                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 490                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 491                 m_scene->addItem(item);
 492                 if (locked) item->setItemLocked(true);
 493                 clip->addReference();
 494                 position += (out - in + 1);
 495
 496                 // parse clip effects
 497                 QDomNodeList effects = elem.childNodes();
 498                 for (int ix = 0; ix < effects.count(); ix++) {
 499                     QDomElement effect = effects.at(ix).toElement();
 500                     if (effect.tagName() == "filter") {
 501                         // add effect to clip
 502                         QString effecttag;
 503                         QString effectid;
 504                         QString effectindex;
 505                         QString ladspaEffectFile;
 506                         // Get effect tag & index
 507                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 508                             // parse effect parameters
 509                             QDomElement effectparam = n3.toElement();
 510                             if (effectparam.attribute("name") == "tag") {
 511                                 effecttag = effectparam.text();
 512                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 513                                 effectid = effectparam.text();
 514                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 515                                 effectindex = effectparam.text();
 516                             } else if (effectparam.attribute("name") == "src") {
 517                                 ladspaEffectFile = effectparam.text();
 518                                 if (!QFile::exists(ladspaEffectFile)) {
 519                                     // If the ladspa effect file is missing, recreate it
 520                                     kDebug() << "// MISSING LADSPA FILE: " << ladspaEffectFile;
 521                                     ladspaEffectFile = m_doc->getLadspaFile();
 522                                     effectparam.firstChild().setNodeValue(ladspaEffectFile);
 523                                     kDebug() << "// ... REPLACED WITH: " << ladspaEffectFile;
 524                                 }
 525                             }
 526                         }
 527                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 528                         // get effect standard tags
 529                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 530                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 531                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 532                         if (clipeffect.isNull()) {
 533                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 534                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 535                             elem.removeChild(effects.at(ix));
 536                             ix--;
 537                         } else {
 538                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 539                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 540                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 541
 542                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 543                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 544                                 // effect is key-framable, read all effects to retrieve keyframes
 545                                 double factor = 0;
 546                                 QString starttag;
 547                                 QString endtag;
 548                                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 549                                 for (int i = 0; i < params.count(); i++) {
 550                                     QDomElement e = params.item(i).toElement();
 551                                     if (e.attribute("type") == "keyframe") {
 552                                         starttag = e.attribute("starttag", "start");
 553                                         endtag = e.attribute("endtag", "end");
 554                                         factor = e.attribute("factor", "1").toDouble();
 555                                         break;
 556                                     }
 557                                 }
 558                                 QString keyframes;
 559                                 int effectin = effect.attribute("in").toInt();
 560                                 int effectout = effect.attribute("out").toInt();
 561                                 double startvalue = 0;
 562                                 double endvalue = 0;
 563                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 564                                     // parse effect parameters
 565                                     QDomElement effectparam = n3.toElement();
 566                                     if (effectparam.attribute("name") == starttag)
 567                                         startvalue = effectparam.text().toDouble() * factor;
 568                                     if (effectparam.attribute("name") == endtag)
 569                                         endvalue = effectparam.text().toDouble() * factor;
 570                                 }
 571                                 // add first keyframe
 572                                 keyframes.append(QString::number(effectin) + ':' + QString::number(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 573                                 QDomNode lastParsedEffect;
 574                                 ix++;
 575                                 QDomNode n2 = effects.at(ix);
 576                                 bool continueParsing = true;
 577                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 578                                     // parse all effects
 579                                     QDomElement kfreffect = n2.toElement();
 580                                     int effectout = kfreffect.attribute("out").toInt();
 581
 582                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 583                                         // parse effect parameters
 584                                         QDomElement subeffectparam = n4.toElement();
 585                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 586                                             //We are not in the same effect, stop parsing
 587                                             lastParsedEffect = n2.previousSibling();
 588                                             ix--;
 589                                             continueParsing = false;
 590                                             break;
 591                                         } else if (subeffectparam.attribute("name") == endtag) {
 592                                             endvalue = subeffectparam.text().toDouble() * factor;
 593                                             break;
 594                                         }
 595                                     }
 596                                     if (continueParsing) {
 597                                         keyframes.append(QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 598                                         ix++;
 599                                     }
 600                                 }
 601
 602                                 params = currenteffect.elementsByTagName("parameter");
 603                                 for (int i = 0; i < params.count(); i++) {
 604                                     QDomElement e = params.item(i).toElement();
 605                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 606                                 }
 607                                 if (!continueParsing) {
 608                                     n2 = lastParsedEffect;
 609                                 }
 610                             } else {
 611                                 // Check if effect has in/out points
 612                                 if (effect.hasAttribute("in")) {
 613                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 614                                 }
 615                                 if (effect.hasAttribute("out")) {
 616                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 617                                 }
 618                             }
 619
 620                             // adjust effect parameters
 621                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 622                                 // parse effect parameters
 623                                 QDomElement effectparam = n3.toElement();
 624                                 QString paramname = effectparam.attribute("name");
 625                                 QString paramvalue = effectparam.text();
 626
 627
 628                                 // try to find this parameter in the effect xml
 629                                 QDomElement e;
 630                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 631                                     e = clipeffectparams.item(k).toElement();
 632                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 633                                         double factor = e.attribute("factor", "1").toDouble();
 634                                         if (factor != 1) {
 635                                             e.setAttribute("value", paramvalue.toDouble() * factor);
 636                                         } else e.setAttribute("value", paramvalue);
 637                                         break;
 638                                     }
 639                                 }
 640                             }
 641                             if (effecttag == "ladspa") {
 642                                 //QString ladspaEffectFile = EffectsList::parameter(effect, "src", "property");
 643
 644                                 if (!QFile::exists(ladspaEffectFile)) {
 645                                     // If the ladspa effect file is missing, recreate it
 646                                     initEffects::ladspaEffectFile(ladspaEffectFile, currenteffect.attribute("ladspaid").toInt(), m_trackview->getLadspaParams(currenteffect));
 647                                 }
 648                                 currenteffect.setAttribute("src", ladspaEffectFile);
 649                             }
 650                             item->addEffect(currenteffect, false);
 651                             item->effectsCounter();
 652                         }
 653                     }
 654                 }
 655             }
 656             //m_clipList.append(clip);
 657         }
 658     }
 659     //m_trackDuration = position;
 660
 661
 662     //documentTracks.insert(ix, track);
 663     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 664     return position;
 665     //track->show();
 666 }
 667
 668 DocClipBase *TrackView::getMissingProducer(const QString id) const
 669 {
 670     QDomElement missingXml;
 671     QDomDocument doc = m_doc->toXml();
 672     QString docRoot = doc.documentElement().attribute("root");
 673     if (!docRoot.endsWith('/')) docRoot.append('/');
 674     QDomNodeList prods = doc.elementsByTagName("producer");
 675     int maxprod = prods.count();
 676     for (int i = 0; i < maxprod; i++) {
 677         QDomNode m = prods.at(i);
 678         QString prodId = m.toElement().attribute("id");
 679         if (prodId == id) {
 680             missingXml =  m.toElement();
 681             break;
 682         }
 683     }
 684     if (missingXml == QDomElement()) return NULL;
 685
 686     QDomNodeList params = missingXml.childNodes();
 687     QString resource;
 688     for (int j = 0; j < params.count(); j++) {
 689         QDomElement e = params.item(j).toElement();
 690         if (e.attribute("name") == "resource") {
 691             resource = e.firstChild().nodeValue();
 692             break;
 693         }
 694     }
 695     // prepend westley document root if no path in clip resource and not a color clip
 696     if (!resource.contains('/') && !resource.startsWith("0x")) resource.prepend(docRoot);
 697     DocClipBase *missingClip = NULL;
 698     if (!resource.isEmpty())
 699         missingClip = m_doc->clipManager()->getClipByResource(resource);
 700     return missingClip;
 701 }
 702
 703 QGraphicsScene *TrackView::projectScene()
 704 {
 705     return m_scene;
 706 }
 707
 708 CustomTrackView *TrackView::projectView()
 709 {
 710     return m_trackview;
 711 }
 712
 713 void TrackView::setEditMode(const QString & editMode)
 714 {
 715     m_editMode = editMode;
 716 }
 717
 718 const QString & TrackView::editMode() const
 719 {
 720     return m_editMode;
 721 }
 722
 723 void TrackView::slotChangeTrackLock(int ix, bool lock)
 724 {
 725     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 726     widgets.at(ix)->setLock(lock);
 727 }
 728
 729
 730 #include "trackview.moc"