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