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     connect(m_trackview, SIGNAL(updateTrackHeaders()), this, SLOT(slotRepaintTracks()));
 107
 108     parseDocument(m_doc->toXml());
 109     if (m_doc->setSceneList() == -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->horizontalScrollBar(), SIGNAL(rangeChanged(int, int)), this, SLOT(slotUpdateVerticalScroll(int, int)));
 114     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
 115     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
 116
 117     slotChangeZoom(m_doc->zoom().x(), m_doc->zoom().y());
 118     slotSetZone(m_doc->zone());
 119 }
 120
 121 TrackView::~TrackView()
 122 {
 123     delete m_ruler;
 124     delete m_trackview;
 125 }
 126
 127 //virtual
 128 void TrackView::keyPressEvent(QKeyEvent * event)
 129 {
 130     if (event->key() == Qt::Key_Up) {
 131         m_trackview->slotTrackUp();
 132         event->accept();
 133     } else if (event->key() == Qt::Key_Down) {
 134         m_trackview->slotTrackDown();
 135         event->accept();
 136     } else QWidget::keyPressEvent(event);
 137 }
 138
 139 int TrackView::duration() const
 140 {
 141     return m_trackview->duration();
 142 }
 143
 144 int TrackView::tracksNumber() const
 145 {
 146     return m_projectTracks - 1;
 147 }
 148
 149 int TrackView::inPoint() const
 150 {
 151     return m_ruler->inPoint();
 152 }
 153
 154 int TrackView::outPoint() const
 155 {
 156     return m_ruler->outPoint();
 157 }
 158
 159 void TrackView::slotSetZone(QPoint p)
 160 {
 161     m_ruler->setZone(p);
 162 }
 163
 164 void TrackView::setDuration(int dur)
 165 {
 166     m_trackview->setDuration(dur);
 167     m_ruler->setDuration(dur);
 168 }
 169
 170 void TrackView::parseDocument(QDomDocument doc)
 171 {
 172     //int cursorPos = 0;
 173     m_documentErrors.clear();
 174
 175     //kDebug() << "//// DOCUMENT: " << doc.toString();
 176     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 177     if (!props.isNull()) {
 178         cursorPos = props.toElement().attribute("timeline_position").toInt();
 179     }*/
 180
 181     // parse project tracks
 182     QDomElement tractor = doc.elementsByTagName("tractor").item(0).toElement();
 183     QDomNodeList tracks = doc.elementsByTagName("track");
 184     QDomNodeList playlists = doc.elementsByTagName("playlist");
 185     int duration = 300;
 186     m_projectTracks = tracks.count();
 187     int trackduration = 0;
 188     QDomElement e;
 189     QDomElement p;
 190
 191     int pos = m_projectTracks - 1;
 192     m_invalidProducers.clear();
 193     QDomNodeList producers = doc.elementsByTagName("producer");
 194     for (int i = 0; i < producers.count(); i++) {
 195         // Check for invalid producers
 196         QDomNode n = producers.item(i);
 197         e = n.toElement();
 198
 199         /*
 200         // Check for invalid markup
 201         QDomNodeList params = e.elementsByTagName("property");
 202         for (int j = 0; j < params.count(); j++) {
 203             QDomElement p = params.item(j).toElement();
 204             if (p.attribute("name") == "markup") {
 205          QString val = p.text().toUtf8().data();
 206          kDebug()<<"//FOUND MARKUP, VAL: "<<val;
 207          //e.setAttribute("value", value);
 208          n.removeChild(params.item(j));
 209          break;
 210             }
 211         }
 212         */
 213
 214         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 215         int in = e.attribute("in").toInt();
 216         int out = e.attribute("out").toInt();
 217         if (in > out || in == out) {
 218             // invalid producer, remove it
 219             QString id = e.attribute("id");
 220             m_invalidProducers.append(id);
 221             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 222             doc.documentElement().removeChild(producers.at(i));
 223             i--;
 224         }
 225     }
 226
 227     for (int i = 0; i < m_projectTracks; i++) {
 228         e = tracks.item(i).toElement();
 229         QString playlist_name = e.attribute("producer");
 230         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 231             // find playlist related to this track
 232             p = QDomElement();
 233             for (int j = 0; j < m_projectTracks; j++) {
 234                 p = playlists.item(j).toElement();
 235                 if (p.attribute("id") == playlist_name) break;
 236             }
 237             if (p.attribute("id") != playlist_name) { // then it didn't work.
 238                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 239             }
 240             if (e.attribute("hide") == "video") {
 241                 m_doc->switchTrackVideo(i - 1, true);
 242             } else if (e.attribute("hide") == "audio") {
 243                 m_doc->switchTrackAudio(i - 1, true);
 244             } else if (e.attribute("hide") == "both") {
 245                 m_doc->switchTrackVideo(i - 1, true);
 246                 m_doc->switchTrackAudio(i - 1, true);
 247             }
 248
 249             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1));
 250             pos--;
 251             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 252             if (trackduration > duration) duration = trackduration;
 253         } else {
 254             // background black track
 255             for (int j = 0; j < m_projectTracks; j++) {
 256                 p = playlists.item(j).toElement();
 257                 if (p.attribute("id") == playlist_name) break;
 258             }
 259             pos--;
 260         }
 261     }
 262
 263     // parse transitions
 264     QDomNodeList transitions = doc.elementsByTagName("transition");
 265
 266     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 267     for (int i = 0; i < transitions.count(); i++) {
 268         e = transitions.item(i).toElement();
 269         QDomNodeList transitionparams = e.childNodes();
 270         bool transitionAdd = true;
 271         int a_track = 0;
 272         int b_track = 0;
 273         bool isAutomatic = false;
 274         bool forceTrack = false;
 275         QString mlt_geometry;
 276         QString mlt_service;
 277         QString transitionId;
 278         for (int k = 0; k < transitionparams.count(); k++) {
 279             p = transitionparams.item(k).toElement();
 280             if (!p.isNull()) {
 281                 QString paramName = p.attribute("name");
 282                 // do not add audio mixing transitions
 283                 if (paramName == "internal_added" && p.text() == "237") {
 284                     transitionAdd = false;
 285                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 286                     //break;
 287                 } else if (paramName == "a_track") {
 288                     a_track = qMax(0, p.text().toInt());
 289                     a_track = qMin(m_projectTracks - 1, a_track);
 290                     if (a_track != p.text().toInt()) {
 291                         // the transition track was out of bounds
 292                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), a_track) + '\n');
 293                         EffectsList::setProperty(e, "a_track", QString::number(a_track));
 294                     }
 295                 } else if (paramName == "b_track") {
 296                     b_track = qMax(0, p.text().toInt());
 297                     b_track = qMin(m_projectTracks - 1, b_track);
 298                     if (b_track != p.text().toInt()) {
 299                         // the transition track was out of bounds
 300                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), b_track) + '\n');
 301                         EffectsList::setProperty(e, "b_track", QString::number(b_track));
 302                     }
 303                 } else if (paramName == "mlt_service") mlt_service = p.text();
 304                 else if (paramName == "kdenlive_id") transitionId = p.text();
 305                 else if (paramName == "geometry") mlt_geometry = p.text();
 306                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 307                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 308             }
 309         }
 310         if (a_track == b_track || b_track == 0) {
 311             // invalid transition, remove it
 312             m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 313             tractor.removeChild(transitions.item(i));
 314             i--;
 315             continue;
 316         }
 317         if (transitionAdd || mlt_service != "mix") {
 318             // Transition should be added to the scene
 319             ItemInfo transitionInfo;
 320             if (mlt_service == "composite" && transitionId.isEmpty()) {
 321                 // When adding composite transition, check if it is a wipe transition
 322                 if (mlt_geometry.count(';') == 1) {
 323                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 324                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 325                     QString start = mlt_geometry.section(';', 0, 0);
 326                     start = start.section(':', 0, 1);
 327                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 328                     QString end = mlt_geometry.section('=', 1, 1);
 329                     end = end.section(':', 0, 1);
 330                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 331                     start.append(',' + end);
 332                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 333                     bool isWipeTransition = true;
 334                     int checkNumber;
 335                     for (int i = 0; i < numbers.size(); ++i) {
 336                         checkNumber = qAbs(numbers.at(i).toInt());
 337                         if (checkNumber != 0 && checkNumber != 100) {
 338                             isWipeTransition = false;
 339                             break;
 340                         }
 341                     }
 342                     if (isWipeTransition) transitionId = "slide";
 343                 }
 344             }
 345
 346             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 347
 348             if (!base.isNull()) for (int k = 0; k < transitionparams.count(); k++) {
 349                     p = transitionparams.item(k).toElement();
 350                     if (!p.isNull()) {
 351                         QString paramName = p.attribute("name");
 352                         QString paramValue = p.text();
 353
 354                         QDomNodeList params = base.elementsByTagName("parameter");
 355                         if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 356                                 QDomElement e = params.item(i).toElement();
 357                                 if (!e.isNull() && e.attribute("tag") == paramName) {
 358                                     if (e.attribute("type") == "double") {
 359                                         QString factor = e.attribute("factor", "1");
 360                                         if (factor != "1") {
 361                                             double fact;
 362                                             if (factor.startsWith('%')) {
 363                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 364                                             } else fact = factor.toDouble();
 365                                             double val = paramValue.toDouble() * fact;
 366                                             paramValue = QString::number(val);
 367                                         }
 368                                     }
 369                                     e.setAttribute("value", paramValue);
 370                                     break;
 371                                 }
 372                             }
 373                     }
 374                 }
 375
 376             /*QDomDocument doc;
 377             doc.appendChild(doc.importNode(base, true));
 378             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 379
 380             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 381             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 382             transitionInfo.track = m_projectTracks - 1 - b_track;
 383
 384             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 385             if (transitionInfo.startPos >= transitionInfo.endPos || base.isNull()) {
 386                 // invalid transition, remove it.
 387                 m_documentErrors.append(i18n("Removed invalid transition: (%1, %2, %3)", e.attribute("id"), mlt_service, transitionId) + '\n');
 388                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 389                 tractor.removeChild(transitions.item(i));
 390                 i--;
 391             } else {
 392                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 393                 if (forceTrack) tr->setForcedTrack(true, a_track);
 394                 m_scene->addItem(tr);
 395                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 396                     tr->setItemLocked(true);
 397                 }
 398             }
 399         }
 400     }
 401
 402     // Add guides
 403     QDomNodeList guides = doc.elementsByTagName("guide");
 404     for (int i = 0; i < guides.count(); i++) {
 405         e = guides.item(i).toElement();
 406         const QString comment = e.attribute("comment");
 407         const GenTime pos = GenTime(e.attribute("time").toDouble());
 408         m_trackview->addGuide(pos, comment);
 409     }
 410
 411     // Rebuild groups
 412     QDomNodeList groups = doc.elementsByTagName("group");
 413     m_trackview->loadGroups(groups);
 414     m_trackview->setDuration(duration);
 415     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 416
 417     // Remove Kdenlive extra info from xml doc before sending it to MLT
 418     QDomElement mlt = doc.firstChildElement("mlt");
 419     QDomElement infoXml = mlt.firstChildElement("kdenlivedoc");
 420     mlt.removeChild(infoXml);
 421
 422     slotRebuildTrackHeaders();
 423     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 424     if (infoXml.hasAttribute("upgraded")) {
 425         // Our document was upgraded, create a backup copy just in case
 426         QString baseFile = m_doc->url().path().section(".kdenlive", 0, 0);
 427         int ct = 0;
 428         QString backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 429         while (QFile::exists(backupFile)) {
 430             ct++;
 431             backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 432         }
 433         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.\nTo make sure you don't lose data, a backup copy called %1 was created.", backupFile));
 434         else KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version, but it was not possible to create a backup copy.", backupFile));
 435     }
 436     //m_trackview->setCursorPos(cursorPos);
 437     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 438 }
 439
 440 void TrackView::slotDeleteClip(const QString &clipId)
 441 {
 442     m_trackview->deleteClip(clipId);
 443 }
 444
 445 void TrackView::setCursorPos(int pos)
 446 {
 447     m_trackview->setCursorPos(pos);
 448 }
 449
 450 void TrackView::moveCursorPos(int pos)
 451 {
 452     m_trackview->setCursorPos(pos, false);
 453 }
 454
 455 void TrackView::slotChangeZoom(int horizontal, int vertical)
 456 {
 457     m_ruler->setPixelPerMark(horizontal);
 458     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[horizontal];
 459
 460     if (vertical == -1) {
 461         // user called zoom
 462         m_doc->setZoom(horizontal, m_verticalZoom);
 463         m_trackview->setScale(m_scale, m_scene->scale().y());
 464     } else {
 465         m_verticalZoom = vertical;
 466         if (m_verticalZoom == 0) m_trackview->setScale(m_scale, 0.5);
 467         else m_trackview->setScale(m_scale, m_verticalZoom);
 468         adjustTrackHeaders();
 469     }
 470 }
 471
 472 int TrackView::fitZoom() const
 473 {
 474     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 475     int i;
 476     for (i = 0; i < 13; i++)
 477         if (m_ruler->comboScale[i] > zoom) break;
 478     return i;
 479 }
 480
 481 KdenliveDoc *TrackView::document()
 482 {
 483     return m_doc;
 484 }
 485
 486 void TrackView::refresh()
 487 {
 488     m_trackview->viewport()->update();
 489 }
 490
 491 void TrackView::slotRepaintTracks()
 492 {
 493     QLayoutItem *child;
 494     for (int i = 0; i < headers_container->layout()->count(); i++) {
 495         child = headers_container->layout()->itemAt(i);
 496         if (child->widget() && child->widget()->height() > 5) {
 497             HeaderTrack *head = static_cast <HeaderTrack *>(child->widget());
 498             if (head) head->setSelectedIndex(m_trackview->selectedTrack());
 499         }
 500     }
 501 }
 502
 503 void TrackView::slotReloadTracks()
 504 {
 505     slotRebuildTrackHeaders();
 506     emit updateTracksInfo();
 507 }
 508
 509 void TrackView::slotRebuildTrackHeaders()
 510 {
 511     const QList <TrackInfo> list = m_doc->tracksList();
 512     QLayoutItem *child;
 513     while ((child = headers_container->layout()->takeAt(0)) != 0) {
 514         QWidget *wid = child->widget();
 515         delete child;
 516         if (wid) wid->deleteLater();
 517     }
 518     int max = list.count();
 519     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 520     HeaderTrack *header = NULL;
 521     QFrame *frame = NULL;
 522     for (int i = 0; i < max; i++) {
 523         frame = new QFrame(headers_container);
 524         frame->setFixedHeight(1);
 525         frame->setFrameStyle(QFrame::Plain);
 526         frame->setFrameShape(QFrame::Box);
 527         frame->setLineWidth(1);
 528         headers_container->layout()->addWidget(frame);
 529         TrackInfo info = list.at(max - i - 1);
 530         header = new HeaderTrack(i, info, height, headers_container);
 531         header->setSelectedIndex(m_trackview->selectedTrack());
 532         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 533         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 534         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 535         connect(header, SIGNAL(selectTrack(int)), m_trackview, SLOT(slotSelectTrack(int)));
 536         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 537         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 538         connect(header, SIGNAL(changeTrack(int)), this, SIGNAL(changeTrack(int)));
 539         connect(header, SIGNAL(renameTrack(int)), this, SLOT(slotRenameTrack(int)));
 540         connect(header, SIGNAL(configTrack(int)), this, SIGNAL(configTrack(int)));
 541         headers_container->layout()->addWidget(header);
 542     }
 543     frame = new QFrame(this);
 544     frame->setFixedHeight(1);
 545     frame->setFrameStyle(QFrame::Plain);
 546     frame->setFrameShape(QFrame::Box);
 547     frame->setLineWidth(1);
 548     headers_container->layout()->addWidget(frame);
 549 }
 550
 551
 552 void TrackView::adjustTrackHeaders()
 553 {
 554     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 555     QLayoutItem *child;
 556     for (int i = 0; i < headers_container->layout()->count(); i++) {
 557         child = headers_container->layout()->itemAt(i);
 558         if (child->widget() && child->widget()->height() > 5)(static_cast <HeaderTrack *>(child->widget()))->adjustSize(height);
 559     }
 560 }
 561
 562 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked)
 563 {
 564     // parse track
 565     int position = 0;
 566     QDomNodeList children = xml.childNodes();
 567     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 568         QDomNode n = children.item(nodeindex);
 569         QDomElement elem = n.toElement();
 570         if (elem.tagName() == "blank") {
 571             position += elem.attribute("length").toInt();
 572         } else if (elem.tagName() == "entry") {
 573             // Found a clip
 574             int in = elem.attribute("in").toInt();
 575             int out = elem.attribute("out").toInt();
 576             if (in > out || /*in == out ||*/ m_invalidProducers.contains(elem.attribute("producer"))) {
 577                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 578                 xml.removeChild(children.at(nodeindex));
 579                 nodeindex--;
 580                 continue;
 581             }
 582             QString idString = elem.attribute("producer");
 583             QString id = idString;
 584             double speed = 1.0;
 585             int strobe = 1;
 586             if (idString.startsWith("slowmotion")) {
 587                 id = idString.section(':', 1, 1);
 588                 speed = idString.section(':', 2, 2).toDouble();
 589                 strobe = idString.section(':', 3, 3).toInt();
 590                 if (strobe == 0) strobe = 1;
 591             } else id = id.section('_', 0, 0);
 592             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 593             if (clip == NULL) {
 594                 // The clip in playlist was not listed in the kdenlive producers,
 595                 // something went wrong, repair required.
 596                 kWarning() << "CANNOT INSERT CLIP " << id;
 597
 598                 clip = getMissingProducer(id);
 599                 if (!clip) {
 600                     // We cannot find the producer, something is really wrong, add
 601                     // placeholder color clip
 602                     QDomDocument doc;
 603                     QDomElement producerXml = doc.createElement("producer");
 604                     doc.appendChild(producerXml);
 605                     producerXml.setAttribute("colour", "0xff0000ff");
 606                     producerXml.setAttribute("mlt_service", "colour");
 607                     producerXml.setAttribute("length", "15000");
 608                     producerXml.setAttribute("name", "INVALID");
 609                     producerXml.setAttribute("type", COLOR);
 610                     producerXml.setAttribute("id", id);
 611                     clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
 612                     xml.insertBefore(producerXml, QDomNode());
 613                     m_doc->clipManager()->addClip(clip);
 614
 615                     m_documentErrors.append(i18n("Broken clip producer %1", id) + '\n');
 616                 } else {
 617                     // Found correct producer
 618                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 619                     elem.setAttribute("producer", clip->getId());
 620                 }
 621                 m_doc->setModified(true);
 622             }
 623
 624             if (clip != NULL) {
 625                 ItemInfo clipinfo;
 626                 clipinfo.startPos = GenTime(position, m_doc->fps());
 627                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 628                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 629                 clipinfo.cropDuration = clipinfo.endPos - clipinfo.startPos;
 630
 631                 clipinfo.track = ix;
 632                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 633                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, strobe, false);
 634                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 635                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 636                 m_scene->addItem(item);
 637                 if (locked) item->setItemLocked(true);
 638                 clip->addReference();
 639                 position += (out - in + 1);
 640                 if (speed != 1.0 || strobe > 1) {
 641                     QDomElement speedeffect = MainWindow::videoEffects.getEffectByTag(QString(), "speed").cloneNode().toElement();
 642                     EffectsList::setParameter(speedeffect, "speed", QString::number((int)(100 * speed + 0.5)));
 643                     EffectsList::setParameter(speedeffect, "strobe", QString::number(strobe));
 644                     item->addEffect(speedeffect, false);
 645                     item->effectsCounter();
 646                 }
 647
 648                 // parse clip effects
 649                 QDomNodeList effects = elem.childNodes();
 650                 for (int ix = 0; ix < effects.count(); ix++) {
 651                     bool disableeffect = false;
 652                     QDomElement effect = effects.at(ix).toElement();
 653                     if (effect.tagName() == "filter") {
 654                         // add effect to clip
 655                         QString effecttag;
 656                         QString effectid;
 657                         QString effectindex = QString::number(ix + 1);
 658                         QString ladspaEffectFile;
 659                         // Get effect tag & index
 660                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 661                             // parse effect parameters
 662                             QDomElement effectparam = n3.toElement();
 663                             if (effectparam.attribute("name") == "tag") {
 664                                 effecttag = effectparam.text();
 665                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 666                                 effectid = effectparam.text();
 667                             } else if (effectparam.attribute("name") == "disable" && effectparam.text().toInt() == 1) {
 668                                 // Fix effects index
 669                                 disableeffect = true;
 670                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 671                                 // Fix effects index
 672                                 effectparam.firstChild().setNodeValue(effectindex);
 673                             } else if (effectparam.attribute("name") == "src") {
 674                                 ladspaEffectFile = effectparam.text();
 675                                 if (!QFile::exists(ladspaEffectFile)) {
 676                                     // If the ladspa effect file is missing, recreate it
 677                                     kDebug() << "// MISSING LADSPA FILE: " << ladspaEffectFile;
 678                                     ladspaEffectFile = m_doc->getLadspaFile();
 679                                     effectparam.firstChild().setNodeValue(ladspaEffectFile);
 680                                     kDebug() << "// ... REPLACED WITH: " << ladspaEffectFile;
 681                                 }
 682                             }
 683                         }
 684                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 685                         // get effect standard tags
 686                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 687                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 688                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 689                         if (clipeffect.isNull()) {
 690                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 691                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 692                             elem.removeChild(effects.at(ix));
 693                             ix--;
 694                         } else {
 695                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 696                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 697                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 698
 699                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 700                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 701                                 // effect is key-framable, read all effects to retrieve keyframes
 702                                 QString factor;
 703                                 QString starttag;
 704                                 QString endtag;
 705                                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 706                                 for (int i = 0; i < params.count(); i++) {
 707                                     QDomElement e = params.item(i).toElement();
 708                                     if (e.attribute("type") == "keyframe") {
 709                                         starttag = e.attribute("starttag", "start");
 710                                         endtag = e.attribute("endtag", "end");
 711                                         factor = e.attribute("factor", "1");
 712                                         break;
 713                                     }
 714                                 }
 715                                 QString keyframes;
 716                                 int effectin = effect.attribute("in").toInt();
 717                                 int effectout = effect.attribute("out").toInt();
 718                                 double startvalue = 0;
 719                                 double endvalue = 0;
 720                                 double fact;
 721                                 if (factor.isEmpty()) fact = 1;
 722                                 else if (factor.startsWith('%')) {
 723                                     fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 724                                 } else fact = factor.toDouble();
 725                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 726                                     // parse effect parameters
 727                                     QDomElement effectparam = n3.toElement();
 728                                     if (effectparam.attribute("name") == starttag)
 729                                         startvalue = effectparam.text().toDouble() * fact;
 730                                     if (effectparam.attribute("name") == endtag)
 731                                         endvalue = effectparam.text().toDouble() * fact;
 732                                 }
 733                                 // add first keyframe
 734                                 keyframes.append(QString::number(effectin) + ':' + QString::number(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 735                                 QDomNode lastParsedEffect;
 736                                 ix++;
 737                                 QDomNode n2 = effects.at(ix);
 738                                 bool continueParsing = true;
 739                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 740                                     // parse all effects
 741                                     QDomElement kfreffect = n2.toElement();
 742                                     int effectout = kfreffect.attribute("out").toInt();
 743
 744                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 745                                         // parse effect parameters
 746                                         QDomElement subeffectparam = n4.toElement();
 747                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 748                                             //We are not in the same effect, stop parsing
 749                                             lastParsedEffect = n2.previousSibling();
 750                                             ix--;
 751                                             continueParsing = false;
 752                                             break;
 753                                         } else if (subeffectparam.attribute("name") == endtag) {
 754                                             endvalue = subeffectparam.text().toDouble() * fact;
 755                                             break;
 756                                         }
 757                                     }
 758                                     if (continueParsing) {
 759                                         keyframes.append(QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 760                                         ix++;
 761                                     }
 762                                 }
 763
 764                                 params = currenteffect.elementsByTagName("parameter");
 765                                 for (int i = 0; i < params.count(); i++) {
 766                                     QDomElement e = params.item(i).toElement();
 767                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 768                                 }
 769                                 if (!continueParsing) {
 770                                     n2 = lastParsedEffect;
 771                                 }
 772                             } else {
 773                                 // Check if effect has in/out points
 774                                 if (effect.hasAttribute("in")) {
 775                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 776                                 }
 777                                 if (effect.hasAttribute("out")) {
 778                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 779                                 }
 780                             }
 781
 782                             // adjust effect parameters
 783                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 784                                 // parse effect parameters
 785                                 QDomElement effectparam = n3.toElement();
 786                                 QString paramname = effectparam.attribute("name");
 787                                 QString paramvalue = effectparam.text();
 788
 789
 790                                 // try to find this parameter in the effect xml
 791                                 QDomElement e;
 792                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 793                                     e = clipeffectparams.item(k).toElement();
 794                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 795                                         if (e.attribute("factor", "1") != "1") {
 796                                             QString factor = e.attribute("factor", "1");
 797                                             double fact;
 798                                             if (factor.startsWith('%')) {
 799                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 800                                             } else fact = factor.toDouble();
 801                                             if (e.attribute("type") == "simplekeyframe") {
 802                                                 QStringList kfrs = paramvalue.split(";");
 803                                                 for (int l = 0; l < kfrs.count(); l++) {
 804                                                     QString fr = kfrs.at(l).section("=", 0, 0);
 805                                                     double val = kfrs.at(l).section("=", 1, 1).toDouble();
 806                                                     kfrs[l] = fr + ":" + QString::number((int)(val * fact));
 807                                                 }
 808                                                 e.setAttribute("keyframes", kfrs.join(";"));
 809                                             } else e.setAttribute("value", paramvalue.toDouble() * fact);
 810                                         } else e.setAttribute("value", paramvalue);
 811                                         break;
 812                                     }
 813                                 }
 814                             }
 815                             if (effecttag == "ladspa") {
 816                                 //QString ladspaEffectFile = EffectsList::parameter(effect, "src", "property");
 817
 818                                 if (!QFile::exists(ladspaEffectFile)) {
 819                                     // If the ladspa effect file is missing, recreate it
 820                                     initEffects::ladspaEffectFile(ladspaEffectFile, currenteffect.attribute("ladspaid").toInt(), m_trackview->getLadspaParams(currenteffect));
 821                                 }
 822                                 currenteffect.setAttribute("src", ladspaEffectFile);
 823                             }
 824                             if (disableeffect) currenteffect.setAttribute("disable", "1");
 825                             item->addEffect(currenteffect, false);
 826                         }
 827                     }
 828                 }
 829             }
 830             //m_clipList.append(clip);
 831         }
 832     }
 833     //m_trackDuration = position;
 834
 835
 836     //documentTracks.insert(ix, track);
 837     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 838     return position;
 839     //track->show();
 840 }
 841
 842 DocClipBase *TrackView::getMissingProducer(const QString id) const
 843 {
 844     QDomElement missingXml;
 845     QDomDocument doc = m_doc->toXml();
 846     QString docRoot = doc.documentElement().attribute("root");
 847     if (!docRoot.endsWith('/')) docRoot.append('/');
 848     QDomNodeList prods = doc.elementsByTagName("producer");
 849     int maxprod = prods.count();
 850     for (int i = 0; i < maxprod; i++) {
 851         QDomNode m = prods.at(i);
 852         QString prodId = m.toElement().attribute("id");
 853         if (prodId == id) {
 854             missingXml =  m.toElement();
 855             break;
 856         }
 857     }
 858     if (missingXml == QDomElement()) return NULL;
 859
 860     QDomNodeList params = missingXml.childNodes();
 861     QString resource;
 862     for (int j = 0; j < params.count(); j++) {
 863         QDomElement e = params.item(j).toElement();
 864         if (e.attribute("name") == "resource") {
 865             resource = e.firstChild().nodeValue();
 866             break;
 867         }
 868     }
 869     // prepend MLT XML document root if no path in clip resource and not a color clip
 870     if (!resource.startsWith('/') && !resource.startsWith("0x")) resource.prepend(docRoot);
 871     DocClipBase *missingClip = NULL;
 872     if (!resource.isEmpty()) {
 873         QList <DocClipBase *> list = m_doc->clipManager()->getClipByResource(resource);
 874         if (!list.isEmpty()) missingClip = list.at(0);
 875     }
 876     return missingClip;
 877 }
 878
 879 QGraphicsScene *TrackView::projectScene()
 880 {
 881     return m_scene;
 882 }
 883
 884 CustomTrackView *TrackView::projectView()
 885 {
 886     return m_trackview;
 887 }
 888
 889 void TrackView::setEditMode(const QString & editMode)
 890 {
 891     m_editMode = editMode;
 892 }
 893
 894 const QString & TrackView::editMode() const
 895 {
 896     return m_editMode;
 897 }
 898
 899 void TrackView::slotChangeTrackLock(int ix, bool lock)
 900 {
 901     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 902     widgets.at(ix)->setLock(lock);
 903 }
 904
 905
 906 void TrackView::slotVerticalZoomDown()
 907 {
 908     if (m_verticalZoom == 0) return;
 909     m_verticalZoom--;
 910     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 911     if (m_verticalZoom == 0) m_trackview->setScale(m_scene->scale().x(), 0.5);
 912     else m_trackview->setScale(m_scene->scale().x(), 1);
 913     adjustTrackHeaders();
 914     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 915 }
 916
 917 void TrackView::slotVerticalZoomUp()
 918 {
 919     if (m_verticalZoom == 2) return;
 920     m_verticalZoom++;
 921     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 922     if (m_verticalZoom == 2) m_trackview->setScale(m_scene->scale().x(), 2);
 923     else m_trackview->setScale(m_scene->scale().x(), 1);
 924     adjustTrackHeaders();
 925     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 926 }
 927
 928 void TrackView::updateProjectFps()
 929 {
 930     m_ruler->updateProjectFps(m_doc->timecode());
 931     m_trackview->updateProjectFps();
 932 }
 933
 934 void TrackView::slotRenameTrack(int ix)
 935 {
 936     int tracknumber = m_doc->tracksCount() - ix;
 937     TrackInfo info = m_doc->trackInfoAt(tracknumber - 1);
 938     bool ok;
 939     QString newName = QInputDialog::getText(this, i18n("New Track Name"), i18n("Enter new name"), QLineEdit::Normal, info.trackName, &ok);
 940     if (ok) {
 941         info.trackName = newName;
 942         m_doc->setTrackType(tracknumber - 1, info);
 943         QTimer::singleShot(300, this, SLOT(slotReloadTracks()));
 944         m_doc->setModified(true);
 945     }
 946 }
 947
 948 void TrackView::slotUpdateVerticalScroll(int /*min*/, int max)
 949 {
 950     int height = 0;
 951     if (max > 0) height = m_trackview->horizontalScrollBar()->height() - 1;
 952     headers_container->layout()->setContentsMargins(0, m_trackview->frameWidth(), 0, height);
 953 }
 954
 955 void TrackView::updateRuler()
 956 {
 957     m_ruler->update();
 958 }
 959
 960 #include "trackview.moc"