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