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 #include "profilesdialog.h"
  34
  35 #include <KDebug>
  36 #include <KMessageBox>
  37 #include <KIO/NetAccess>
  38
  39 #include <QScrollBar>
  40 #include <QInputDialog>
  41
  42 TrackView::TrackView(KdenliveDoc *doc, bool *ok, QWidget *parent) :
  43         QWidget(parent),
  44         m_scale(1.0),
  45         m_projectTracks(0),
  46         m_doc(doc),
  47         m_verticalZoom(1)
  48 {
  49
  50     setupUi(this);
  51 //    ruler_frame->setMaximumHeight();
  52 //    size_frame->setMaximumHeight();
  53     m_scene = new CustomTrackScene(doc);
  54     m_trackview = new CustomTrackView(doc, m_scene, parent);
  55     m_trackview->scale(1, 1);
  56     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  57     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  58
  59     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  60     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  61     connect(m_ruler, SIGNAL(adjustZoom(int)), this, SIGNAL(setZoom(int)));
  62     QHBoxLayout *layout = new QHBoxLayout;
  63     layout->setContentsMargins(m_trackview->frameWidth(), 0, 0, 0);
  64     layout->setSpacing(0);
  65     ruler_frame->setLayout(layout);
  66     layout->addWidget(m_ruler);
  67
  68     QHBoxLayout *sizeLayout = new QHBoxLayout;
  69     sizeLayout->setContentsMargins(0, 0, 0, 0);
  70     sizeLayout->setSpacing(0);
  71     size_frame->setLayout(sizeLayout);
  72
  73     QToolButton *butSmall = new QToolButton(this);
  74     butSmall->setIcon(KIcon("kdenlive-zoom-small"));
  75     butSmall->setToolTip(i18n("Smaller tracks"));
  76     butSmall->setAutoRaise(true);
  77     connect(butSmall, SIGNAL(clicked()), this, SLOT(slotVerticalZoomDown()));
  78     sizeLayout->addWidget(butSmall);
  79
  80     QToolButton *butLarge = new QToolButton(this);
  81     butLarge->setIcon(KIcon("kdenlive-zoom-large"));
  82     butLarge->setToolTip(i18n("Bigger tracks"));
  83     butLarge->setAutoRaise(true);
  84     connect(butLarge, SIGNAL(clicked()), this, SLOT(slotVerticalZoomUp()));
  85     sizeLayout->addWidget(butLarge);
  86
  87     QHBoxLayout *tracksLayout = new QHBoxLayout;
  88     tracksLayout->setContentsMargins(0, 0, 0, 0);
  89     tracksLayout->setSpacing(0);
  90     tracks_frame->setLayout(tracksLayout);
  91
  92     headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  93     headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  94     headers_area->setFixedWidth(70);
  95
  96     QVBoxLayout *headersLayout = new QVBoxLayout;
  97     headersLayout->setContentsMargins(0, m_trackview->frameWidth(), 0, 0);
  98     headersLayout->setSpacing(0);
  99     headers_container->setLayout(headersLayout);
 100     connect(headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
 101
 102     tracksLayout->addWidget(m_trackview);
 103     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), headers_area->verticalScrollBar(), SLOT(setValue(int)));
 104     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
 105     connect(m_trackview, SIGNAL(tracksChanged()), this, SLOT(slotReloadTracks()));
 106
 107     parseDocument(m_doc->toXml());
 108     int error = m_doc->setSceneList();
 109     if (error == -1) *ok = false;
 110     else *ok = true;
 111     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
 112     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
 113     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
 114     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
 115
 116     slotChangeZoom(m_doc->zoom().x(), m_doc->zoom().y());
 117     slotSetZone(m_doc->zone());
 118 }
 119
 120 TrackView::~TrackView()
 121 {
 122     delete m_ruler;
 123     delete m_trackview;
 124 }
 125
 126 int TrackView::duration() const
 127 {
 128     return m_trackview->duration();
 129 }
 130
 131 int TrackView::tracksNumber() const
 132 {
 133     return m_projectTracks - 1;
 134 }
 135
 136 int TrackView::inPoint() const
 137 {
 138     return m_ruler->inPoint();
 139 }
 140
 141 int TrackView::outPoint() const
 142 {
 143     return m_ruler->outPoint();
 144 }
 145
 146 void TrackView::slotSetZone(QPoint p)
 147 {
 148     m_ruler->setZone(p);
 149 }
 150
 151 void TrackView::setDuration(int dur)
 152 {
 153     m_trackview->setDuration(dur);
 154     m_ruler->setDuration(dur);
 155 }
 156
 157 void TrackView::parseDocument(QDomDocument doc)
 158 {
 159     //int cursorPos = 0;
 160     m_documentErrors.clear();
 161
 162     //kDebug() << "//// DOCUMENT: " << doc.toString();
 163     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 164     if (!props.isNull()) {
 165         cursorPos = props.toElement().attribute("timeline_position").toInt();
 166     }*/
 167
 168     // parse project tracks
 169     QDomElement tractor = doc.elementsByTagName("tractor").item(0).toElement();
 170     QDomNodeList tracks = doc.elementsByTagName("track");
 171     QDomNodeList playlists = doc.elementsByTagName("playlist");
 172     int duration = 300;
 173     m_projectTracks = tracks.count();
 174     int trackduration = 0;
 175     QDomElement e;
 176     QDomElement p;
 177
 178     int pos = m_projectTracks - 1;
 179     m_invalidProducers.clear();
 180     QDomNodeList producers = doc.elementsByTagName("producer");
 181     for (int i = 0; i < producers.count(); i++) {
 182         // Check for invalid producers
 183         QDomNode n = producers.item(i);
 184         e = n.toElement();
 185
 186         /*
 187         // Check for invalid markup
 188         QDomNodeList params = e.elementsByTagName("property");
 189         for (int j = 0; j < params.count(); j++) {
 190             QDomElement p = params.item(j).toElement();
 191             if (p.attribute("name") == "markup") {
 192          QString val = p.text().toUtf8().data();
 193          kDebug()<<"//FOUND MARKUP, VAL: "<<val;
 194          //e.setAttribute("value", value);
 195          n.removeChild(params.item(j));
 196          break;
 197             }
 198         }
 199         */
 200
 201         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 202         int in = e.attribute("in").toInt();
 203         int out = e.attribute("out").toInt();
 204         if (in > out || in == out) {
 205             // invalid producer, remove it
 206             QString id = e.attribute("id");
 207             m_invalidProducers.append(id);
 208             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 209             doc.documentElement().removeChild(producers.at(i));
 210             i--;
 211         }
 212     }
 213
 214     for (int i = 0; i < m_projectTracks; i++) {
 215         e = tracks.item(i).toElement();
 216         QString playlist_name = e.attribute("producer");
 217         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 218             // find playlist related to this track
 219             p = QDomElement();
 220             for (int j = 0; j < m_projectTracks; j++) {
 221                 p = playlists.item(j).toElement();
 222                 if (p.attribute("id") == playlist_name) break;
 223             }
 224             if (p.attribute("id") != playlist_name) { // then it didn't work.
 225                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 226             }
 227             if (e.attribute("hide") == "video") {
 228                 m_doc->switchTrackVideo(i - 1, true);
 229             } else if (e.attribute("hide") == "audio") {
 230                 m_doc->switchTrackAudio(i - 1, true);
 231             } else if (e.attribute("hide") == "both") {
 232                 m_doc->switchTrackVideo(i - 1, true);
 233                 m_doc->switchTrackAudio(i - 1, true);
 234             }
 235
 236             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1));
 237             pos--;
 238             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 239             if (trackduration > duration) duration = trackduration;
 240         } else {
 241             // background black track
 242             for (int j = 0; j < m_projectTracks; j++) {
 243                 p = playlists.item(j).toElement();
 244                 if (p.attribute("id") == playlist_name) break;
 245             }
 246             pos--;
 247         }
 248     }
 249
 250     // parse transitions
 251     QDomNodeList transitions = doc.elementsByTagName("transition");
 252
 253     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 254     for (int i = 0; i < transitions.count(); i++) {
 255         e = transitions.item(i).toElement();
 256         QDomNodeList transitionparams = e.childNodes();
 257         bool transitionAdd = true;
 258         int a_track = 0;
 259         int b_track = 0;
 260         bool isAutomatic = false;
 261         bool forceTrack = false;
 262         QString mlt_geometry;
 263         QString mlt_service;
 264         QString transitionId;
 265         for (int k = 0; k < transitionparams.count(); k++) {
 266             p = transitionparams.item(k).toElement();
 267             if (!p.isNull()) {
 268                 QString paramName = p.attribute("name");
 269                 // do not add audio mixing transitions
 270                 if (paramName == "internal_added" && p.text() == "237") {
 271                     transitionAdd = false;
 272                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 273                     //break;
 274                 } else if (paramName == "a_track") {
 275                     a_track = qMax(0, p.text().toInt());
 276                     a_track = qMin(m_projectTracks - 1, a_track);
 277                     if (a_track != p.text().toInt()) {
 278                         // the transition track was out of bounds
 279                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), a_track) + '\n');
 280                         EffectsList::setProperty(e, "a_track", QString::number(a_track));
 281                     }
 282                 }
 283                 else if (paramName == "b_track") {
 284                     b_track = qMax(0, p.text().toInt());
 285                     b_track = qMin(m_projectTracks - 1, b_track);
 286                     if (b_track != p.text().toInt()) {
 287                         // the transition track was out of bounds
 288                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), b_track) + '\n');
 289                         EffectsList::setProperty(e, "b_track", QString::number(b_track));
 290                     }
 291                 }
 292                 else if (paramName == "mlt_service") mlt_service = p.text();
 293                 else if (paramName == "kdenlive_id") transitionId = p.text();
 294                 else if (paramName == "geometry") mlt_geometry = p.text();
 295                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 296                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 297             }
 298         }
 299         if (transitionAdd || mlt_service != "mix") {
 300             // Transition should be added to the scene
 301             ItemInfo transitionInfo;
 302             if (mlt_service == "composite" && transitionId.isEmpty()) {
 303                 // When adding composite transition, check if it is a wipe transition
 304                 if (mlt_geometry.count(';') == 1) {
 305                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 306                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 307                     QString start = mlt_geometry.section(';', 0, 0);
 308                     start = start.section(':', 0, 1);
 309                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 310                     QString end = mlt_geometry.section('=', 1, 1);
 311                     end = end.section(':', 0, 1);
 312                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 313                     start.append(',' + end);
 314                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 315                     bool isWipeTransition = true;
 316                     int checkNumber;
 317                     for (int i = 0; i < numbers.size(); ++i) {
 318                         checkNumber = qAbs(numbers.at(i).toInt());
 319                         if (checkNumber != 0 && checkNumber != 100) {
 320                             isWipeTransition = false;
 321                             break;
 322                         }
 323                     }
 324                     if (isWipeTransition) transitionId = "slide";
 325                 }
 326             }
 327             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 328
 329             for (int k = 0; k < transitionparams.count(); k++) {
 330                 p = transitionparams.item(k).toElement();
 331                 if (!p.isNull()) {
 332                     QString paramName = p.attribute("name");
 333                     QString paramValue = p.text();
 334
 335                     QDomNodeList params = base.elementsByTagName("parameter");
 336                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 337                             QDomElement e = params.item(i).toElement();
 338                             if (!e.isNull() && e.attribute("tag") == paramName) {
 339                                 if (e.attribute("type") == "double") {
 340                                     QString factor = e.attribute("factor", "1");
 341                                     if (factor != "1") {
 342                                         double fact;
 343                                         if (factor.startsWith('%')) {
 344                                             fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 345                                         } else fact = factor.toDouble();
 346                                         double val = paramValue.toDouble() * fact;
 347                                         paramValue = QString::number(val);
 348                                     }
 349                                 }
 350                                 e.setAttribute("value", paramValue);
 351                                 break;
 352                             }
 353                         }
 354                 }
 355             }
 356
 357             /*QDomDocument doc;
 358             doc.appendChild(doc.importNode(base, true));
 359             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 360
 361             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 362             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 363             transitionInfo.track = m_projectTracks - 1 - b_track;
 364
 365             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 366             if (transitionInfo.startPos >= transitionInfo.endPos) {
 367                 // invalid transition, remove it.
 368                 m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 369                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 370                 tractor.removeChild(transitions.item(i));
 371                 i--;
 372             } else {
 373                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 374                 if (forceTrack) tr->setForcedTrack(true, a_track);
 375                 m_scene->addItem(tr);
 376                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 377                     tr->setItemLocked(true);
 378                 }
 379             }
 380         }
 381     }
 382
 383     // Add guides
 384     QDomNodeList guides = doc.elementsByTagName("guide");
 385     for (int i = 0; i < guides.count(); i++) {
 386         e = guides.item(i).toElement();
 387         const QString comment = e.attribute("comment");
 388         const GenTime pos = GenTime(e.attribute("time").toDouble());
 389         m_trackview->addGuide(pos, comment);
 390     }
 391
 392     // Rebuild groups
 393     QDomNodeList groups = doc.elementsByTagName("group");
 394     m_trackview->loadGroups(groups);
 395     m_trackview->setDuration(duration);
 396     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 397
 398     // Remove Kdenlive extra info from xml doc before sending it to MLT
 399     QDomElement mlt = doc.firstChildElement("mlt");
 400     QDomElement infoXml = mlt.firstChildElement("kdenlivedoc");
 401     mlt.removeChild(infoXml);
 402
 403     slotRebuildTrackHeaders();
 404     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 405     if (infoXml.hasAttribute("upgraded")) {
 406         // Our document was upgraded, create a backup copy just in case
 407         QString baseFile = m_doc->url().path().section(".kdenlive", 0, 0);
 408         int ct = 0;
 409         QString backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 410         while (QFile::exists(backupFile)) {
 411             ct++;
 412             backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 413         }
 414         if (KIO::NetAccess::file_copy(m_doc->url(), KUrl(backupFile), this)) KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version.\n To make sure you don't lose data, a backup copy called %1 was created.", backupFile));
 415         else KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version, it was not possible to create a backup copy.", backupFile));
 416     }
 417     //m_trackview->setCursorPos(cursorPos);
 418     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 419 }
 420
 421 void TrackView::slotDeleteClip(const QString &clipId)
 422 {
 423     m_trackview->deleteClip(clipId);
 424 }
 425
 426 void TrackView::setCursorPos(int pos)
 427 {
 428     m_trackview->setCursorPos(pos);
 429 }
 430
 431 void TrackView::moveCursorPos(int pos)
 432 {
 433     m_trackview->setCursorPos(pos, false);
 434 }
 435
 436 void TrackView::slotChangeZoom(int horizontal, int vertical)
 437 {
 438     m_ruler->setPixelPerMark(horizontal);
 439     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[horizontal];
 440
 441     if (vertical == -1) {
 442         // user called zoom
 443         m_doc->setZoom(horizontal, m_verticalZoom);
 444         m_trackview->setScale(m_scale, m_scene->scale().y());
 445     } else {
 446         m_verticalZoom = vertical;
 447         if (m_verticalZoom == 0) m_trackview->setScale(m_scale, 0.5);
 448         else m_trackview->setScale(m_scale, m_verticalZoom);
 449         adjustTrackHeaders();
 450     }
 451 }
 452
 453 int TrackView::fitZoom() const
 454 {
 455     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 456     int i;
 457     for (i = 0; i < 13; i++)
 458         if (m_ruler->comboScale[i] > zoom) break;
 459     return i;
 460 }
 461
 462 KdenliveDoc *TrackView::document()
 463 {
 464     return m_doc;
 465 }
 466
 467 void TrackView::refresh()
 468 {
 469     m_trackview->viewport()->update();
 470 }
 471
 472 void TrackView::slotReloadTracks()
 473 {
 474     slotRebuildTrackHeaders();
 475     emit updateTracksInfo();
 476 }
 477
 478 void TrackView::slotRebuildTrackHeaders()
 479 {
 480     const QList <TrackInfo> list = m_doc->tracksList();
 481     QLayoutItem *child;
 482     while ((child = headers_container->layout()->takeAt(0)) != 0) {
 483         QWidget *wid = child->widget();
 484         delete child;
 485         if (wid) wid->deleteLater();
 486     }
 487     int max = list.count();
 488     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 489     HeaderTrack *header = NULL;
 490     QFrame *frame = NULL;
 491     for (int i = 0; i < max; i++) {
 492         frame = new QFrame(headers_container);
 493         frame->setFixedHeight(1);
 494         frame->setFrameStyle(QFrame::Plain);
 495         frame->setFrameShape(QFrame::Box);
 496         frame->setLineWidth(1);
 497         headers_container->layout()->addWidget(frame);
 498         TrackInfo info = list.at(max - i - 1);
 499         header = new HeaderTrack(i, info, height, headers_container);
 500         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 501         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 502         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 503
 504         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 505         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 506         connect(header, SIGNAL(changeTrack(int)), this, SIGNAL(changeTrack(int)));
 507         connect(header, SIGNAL(renameTrack(int)), this, SLOT(slotRenameTrack(int)));
 508         headers_container->layout()->addWidget(header);
 509     }
 510     frame = new QFrame(this);
 511     frame->setFixedHeight(1);
 512     frame->setFrameStyle(QFrame::Plain);
 513     frame->setFrameShape(QFrame::Box);
 514     frame->setLineWidth(1);
 515     headers_container->layout()->addWidget(frame);
 516 }
 517
 518
 519 void TrackView::adjustTrackHeaders()
 520 {
 521     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 522     QLayoutItem *child;
 523     for (int i = 0; i < headers_container->layout()->count(); i++) {
 524         child = headers_container->layout()->itemAt(i);
 525         if (child->widget() && child->widget()->height() > 5)(static_cast <HeaderTrack *>(child->widget()))->adjustSize(height);
 526     }
 527 }
 528
 529 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked)
 530 {
 531     // parse track
 532     int position = 0;
 533     QDomNodeList children = xml.childNodes();
 534     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 535         QDomNode n = children.item(nodeindex);
 536         QDomElement elem = n.toElement();
 537         if (elem.tagName() == "blank") {
 538             position += elem.attribute("length").toInt();
 539         } else if (elem.tagName() == "entry") {
 540             // Found a clip
 541             int in = elem.attribute("in").toInt();
 542             int out = elem.attribute("out").toInt();
 543             if (in > out || /*in == out ||*/ m_invalidProducers.contains(elem.attribute("producer"))) {
 544                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 545                 xml.removeChild(children.at(nodeindex));
 546                 nodeindex--;
 547                 continue;
 548             }
 549             QString idString = elem.attribute("producer");
 550             QString id = idString;
 551             double speed = 1.0;
 552             int strobe = 1;
 553             if (idString.startsWith("slowmotion")) {
 554                 id = idString.section(':', 1, 1);
 555                 speed = idString.section(':', 2, 2).toDouble();
 556                 strobe = idString.section(':', 3, 3).toInt();
 557                 if (strobe == 0) strobe = 1;
 558             } else id = id.section('_', 0, 0);
 559             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 560             if (clip == NULL) {
 561                 // The clip in playlist was not listed in the kdenlive producers,
 562                 // something went wrong, repair required.
 563                 kWarning() << "CANNOT INSERT CLIP " << id;
 564
 565                 clip = getMissingProducer(id);
 566                 if (!clip) {
 567                     // We cannot find the producer, something is really wrong, add
 568                     // placeholder color clip
 569                     QDomDocument doc;
 570                     QDomElement producerXml = doc.createElement("producer");
 571                     doc.appendChild(producerXml);
 572                     producerXml.setAttribute("colour", "0xff0000ff");
 573                     producerXml.setAttribute("mlt_service", "colour");
 574                     producerXml.setAttribute("length", "15000");
 575                     producerXml.setAttribute("name", "INVALID");
 576                     producerXml.setAttribute("type", COLOR);
 577                     producerXml.setAttribute("id", id);
 578                     clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
 579                     xml.insertBefore(producerXml, QDomNode());
 580                     m_doc->clipManager()->addClip(clip);
 581
 582                     m_documentErrors.append(i18n("Broken clip producer %1", id) + '\n');
 583                 } else {
 584                     // Found correct producer
 585                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 586                     elem.setAttribute("producer", clip->getId());
 587                 }
 588                 m_doc->setModified(true);
 589             }
 590
 591             if (clip != NULL) {
 592                 ItemInfo clipinfo;
 593                 clipinfo.startPos = GenTime(position, m_doc->fps());
 594                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 595                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 596                 clipinfo.cropDuration = clipinfo.endPos - clipinfo.startPos;
 597
 598                 clipinfo.track = ix;
 599                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 600                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, strobe, false);
 601                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 602                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 603                 m_scene->addItem(item);
 604                 if (locked) item->setItemLocked(true);
 605                 clip->addReference();
 606                 position += (out - in + 1);
 607                 kDebug() << "/////////\n\n\n" << "CLIP SPEED: " << speed << ", " << strobe << "\n\n\n/////////////////////";
 608                 if (speed != 1.0 || strobe > 1) {
 609                     QDomElement speedeffect = MainWindow::videoEffects.getEffectByTag(QString(), "speed").cloneNode().toElement();
 610                     EffectsList::setParameter(speedeffect, "speed", QString::number((int)(100 * speed + 0.5)));
 611                     EffectsList::setParameter(speedeffect, "strobe", QString::number(strobe));
 612                     item->addEffect(speedeffect, false);
 613                     item->effectsCounter();
 614                 }
 615
 616                 // parse clip effects
 617                 QDomNodeList effects = elem.childNodes();
 618                 for (int ix = 0; ix < effects.count(); ix++) {
 619                     QDomElement effect = effects.at(ix).toElement();
 620                     if (effect.tagName() == "filter") {
 621                         // add effect to clip
 622                         QString effecttag;
 623                         QString effectid;
 624                         QString effectindex;
 625                         QString ladspaEffectFile;
 626                         // Get effect tag & index
 627                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 628                             // parse effect parameters
 629                             QDomElement effectparam = n3.toElement();
 630                             if (effectparam.attribute("name") == "tag") {
 631                                 effecttag = effectparam.text();
 632                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 633                                 effectid = effectparam.text();
 634                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 635                                 effectindex = effectparam.text();
 636                             } else if (effectparam.attribute("name") == "src") {
 637                                 ladspaEffectFile = effectparam.text();
 638                                 if (!QFile::exists(ladspaEffectFile)) {
 639                                     // If the ladspa effect file is missing, recreate it
 640                                     kDebug() << "// MISSING LADSPA FILE: " << ladspaEffectFile;
 641                                     ladspaEffectFile = m_doc->getLadspaFile();
 642                                     effectparam.firstChild().setNodeValue(ladspaEffectFile);
 643                                     kDebug() << "// ... REPLACED WITH: " << ladspaEffectFile;
 644                                 }
 645                             }
 646                         }
 647                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 648                         // get effect standard tags
 649                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 650                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 651                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 652                         if (clipeffect.isNull()) {
 653                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 654                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 655                             elem.removeChild(effects.at(ix));
 656                             ix--;
 657                         } else {
 658                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 659                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 660                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 661
 662                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 663                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 664                                 // effect is key-framable, read all effects to retrieve keyframes
 665                                 QString factor;
 666                                 QString starttag;
 667                                 QString endtag;
 668                                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 669                                 for (int i = 0; i < params.count(); i++) {
 670                                     QDomElement e = params.item(i).toElement();
 671                                     if (e.attribute("type") == "keyframe") {
 672                                         starttag = e.attribute("starttag", "start");
 673                                         endtag = e.attribute("endtag", "end");
 674                                         factor = e.attribute("factor", "1");
 675                                         break;
 676                                     }
 677                                 }
 678                                 QString keyframes;
 679                                 int effectin = effect.attribute("in").toInt();
 680                                 int effectout = effect.attribute("out").toInt();
 681                                 double startvalue = 0;
 682                                 double endvalue = 0;
 683                                 double fact;
 684                                 if (factor.isEmpty()) fact = 1;
 685                                 else if (factor.startsWith('%')) {
 686                                     fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 687                                 } else fact = factor.toDouble();
 688                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 689                                     // parse effect parameters
 690                                     QDomElement effectparam = n3.toElement();
 691                                     if (effectparam.attribute("name") == starttag)
 692                                         startvalue = effectparam.text().toDouble() * fact;
 693                                     if (effectparam.attribute("name") == endtag)
 694                                         endvalue = effectparam.text().toDouble() * fact;
 695                                 }
 696                                 // add first keyframe
 697                                 keyframes.append(QString::number(effectin) + ':' + QString::number(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 698                                 QDomNode lastParsedEffect;
 699                                 ix++;
 700                                 QDomNode n2 = effects.at(ix);
 701                                 bool continueParsing = true;
 702                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 703                                     // parse all effects
 704                                     QDomElement kfreffect = n2.toElement();
 705                                     int effectout = kfreffect.attribute("out").toInt();
 706
 707                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 708                                         // parse effect parameters
 709                                         QDomElement subeffectparam = n4.toElement();
 710                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 711                                             //We are not in the same effect, stop parsing
 712                                             lastParsedEffect = n2.previousSibling();
 713                                             ix--;
 714                                             continueParsing = false;
 715                                             break;
 716                                         } else if (subeffectparam.attribute("name") == endtag) {
 717                                             endvalue = subeffectparam.text().toDouble() * fact;
 718                                             break;
 719                                         }
 720                                     }
 721                                     if (continueParsing) {
 722                                         keyframes.append(QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 723                                         ix++;
 724                                     }
 725                                 }
 726
 727                                 params = currenteffect.elementsByTagName("parameter");
 728                                 for (int i = 0; i < params.count(); i++) {
 729                                     QDomElement e = params.item(i).toElement();
 730                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 731                                 }
 732                                 if (!continueParsing) {
 733                                     n2 = lastParsedEffect;
 734                                 }
 735                             } else {
 736                                 // Check if effect has in/out points
 737                                 if (effect.hasAttribute("in")) {
 738                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 739                                 }
 740                                 if (effect.hasAttribute("out")) {
 741                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 742                                 }
 743                             }
 744
 745                             // adjust effect parameters
 746                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 747                                 // parse effect parameters
 748                                 QDomElement effectparam = n3.toElement();
 749                                 QString paramname = effectparam.attribute("name");
 750                                 QString paramvalue = effectparam.text();
 751
 752
 753                                 // try to find this parameter in the effect xml
 754                                 QDomElement e;
 755                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 756                                     e = clipeffectparams.item(k).toElement();
 757                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 758                                         if (e.attribute("factor", "1") != "1") {
 759                                             QString factor = e.attribute("factor", "1");
 760                                             double fact;
 761                                             if (factor.startsWith('%')) {
 762                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 763                                             } else fact = factor.toDouble();
 764                                             e.setAttribute("value", paramvalue.toDouble() * fact);
 765                                         } else e.setAttribute("value", paramvalue);
 766                                         break;
 767                                     }
 768                                 }
 769                             }
 770                             if (effecttag == "ladspa") {
 771                                 //QString ladspaEffectFile = EffectsList::parameter(effect, "src", "property");
 772
 773                                 if (!QFile::exists(ladspaEffectFile)) {
 774                                     // If the ladspa effect file is missing, recreate it
 775                                     initEffects::ladspaEffectFile(ladspaEffectFile, currenteffect.attribute("ladspaid").toInt(), m_trackview->getLadspaParams(currenteffect));
 776                                 }
 777                                 currenteffect.setAttribute("src", ladspaEffectFile);
 778                             }
 779                             item->addEffect(currenteffect, false);
 780                             item->effectsCounter();
 781                         }
 782                     }
 783                 }
 784             }
 785             //m_clipList.append(clip);
 786         }
 787     }
 788     //m_trackDuration = position;
 789
 790
 791     //documentTracks.insert(ix, track);
 792     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 793     return position;
 794     //track->show();
 795 }
 796
 797 DocClipBase *TrackView::getMissingProducer(const QString id) const
 798 {
 799     QDomElement missingXml;
 800     QDomDocument doc = m_doc->toXml();
 801     QString docRoot = doc.documentElement().attribute("root");
 802     if (!docRoot.endsWith('/')) docRoot.append('/');
 803     QDomNodeList prods = doc.elementsByTagName("producer");
 804     int maxprod = prods.count();
 805     for (int i = 0; i < maxprod; i++) {
 806         QDomNode m = prods.at(i);
 807         QString prodId = m.toElement().attribute("id");
 808         if (prodId == id) {
 809             missingXml =  m.toElement();
 810             break;
 811         }
 812     }
 813     if (missingXml == QDomElement()) return NULL;
 814
 815     QDomNodeList params = missingXml.childNodes();
 816     QString resource;
 817     for (int j = 0; j < params.count(); j++) {
 818         QDomElement e = params.item(j).toElement();
 819         if (e.attribute("name") == "resource") {
 820             resource = e.firstChild().nodeValue();
 821             break;
 822         }
 823     }
 824     // prepend MLT XML document root if no path in clip resource and not a color clip
 825     if (!resource.startsWith('/') && !resource.startsWith("0x")) resource.prepend(docRoot);
 826     DocClipBase *missingClip = NULL;
 827     if (!resource.isEmpty()) {
 828         QList <DocClipBase *> list = m_doc->clipManager()->getClipByResource(resource);
 829         if (!list.isEmpty()) missingClip = list.at(0);
 830     }
 831     return missingClip;
 832 }
 833
 834 QGraphicsScene *TrackView::projectScene()
 835 {
 836     return m_scene;
 837 }
 838
 839 CustomTrackView *TrackView::projectView()
 840 {
 841     return m_trackview;
 842 }
 843
 844 void TrackView::setEditMode(const QString & editMode)
 845 {
 846     m_editMode = editMode;
 847 }
 848
 849 const QString & TrackView::editMode() const
 850 {
 851     return m_editMode;
 852 }
 853
 854 void TrackView::slotChangeTrackLock(int ix, bool lock)
 855 {
 856     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 857     widgets.at(ix)->setLock(lock);
 858 }
 859
 860
 861 void TrackView::slotVerticalZoomDown()
 862 {
 863     if (m_verticalZoom == 0) return;
 864     m_verticalZoom--;
 865     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 866     if (m_verticalZoom == 0) m_trackview->setScale(m_scene->scale().x(), 0.5);
 867     else m_trackview->setScale(m_scene->scale().x(), 1);
 868     adjustTrackHeaders();
 869     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 870 }
 871
 872 void TrackView::slotVerticalZoomUp()
 873 {
 874     if (m_verticalZoom == 2) return;
 875     m_verticalZoom++;
 876     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 877     if (m_verticalZoom == 2) m_trackview->setScale(m_scene->scale().x(), 2);
 878     else m_trackview->setScale(m_scene->scale().x(), 1);
 879     adjustTrackHeaders();
 880     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 881 }
 882
 883 void TrackView::updateProjectFps()
 884 {
 885     m_ruler->updateProjectFps(m_doc->timecode());
 886     m_trackview->updateProjectFps();
 887 }
 888
 889 void TrackView::slotRenameTrack(int ix)
 890 {
 891     int tracknumber = m_doc->tracksCount() - ix;
 892     TrackInfo info = m_doc->trackInfoAt(tracknumber - 1);
 893     bool ok;
 894     QString newName = QInputDialog::getText(this, i18n("New Track Name"), i18n("Enter new name"), QLineEdit::Normal, info.trackName, &ok);
 895     if (ok) {
 896         info.trackName = newName;
 897         m_doc->setTrackType(tracknumber - 1, info);
 898         QTimer::singleShot(300, this, SLOT(slotReloadTracks()));
 899         m_doc->setModified(true);
 900     }
 901 }
 902
 903
 904 #include "trackview.moc"