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 #include "configtrackscommand.h"
  35
  36 #include <KDebug>
  37 #include <KMessageBox>
  38 #include <KIO/NetAccess>
  39
  40 #include <QScrollBar>
  41 #include <QInputDialog>
  42
  43 TrackView::TrackView(KdenliveDoc *doc, bool *ok, QWidget *parent) :
  44         QWidget(parent),
  45         m_scale(1.0),
  46         m_projectTracks(0),
  47         m_doc(doc),
  48         m_verticalZoom(1)
  49 {
  50
  51     setupUi(this);
  52 //    ruler_frame->setMaximumHeight();
  53 //    size_frame->setMaximumHeight();
  54     m_scene = new CustomTrackScene(doc);
  55     m_trackview = new CustomTrackView(doc, m_scene, parent);
  56     m_trackview->scale(1, 1);
  57     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  58     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  59
  60     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  61     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  62     connect(m_ruler, SIGNAL(adjustZoom(int)), this, SIGNAL(setZoom(int)));
  63     QHBoxLayout *layout = new QHBoxLayout;
  64     layout->setContentsMargins(m_trackview->frameWidth(), 0, 0, 0);
  65     layout->setSpacing(0);
  66     ruler_frame->setLayout(layout);
  67     layout->addWidget(m_ruler);
  68
  69     QHBoxLayout *sizeLayout = new QHBoxLayout;
  70     sizeLayout->setContentsMargins(0, 0, 0, 0);
  71     sizeLayout->setSpacing(0);
  72     size_frame->setLayout(sizeLayout);
  73
  74     QToolButton *butSmall = new QToolButton(this);
  75     butSmall->setIcon(KIcon("kdenlive-zoom-small"));
  76     butSmall->setToolTip(i18n("Smaller tracks"));
  77     butSmall->setAutoRaise(true);
  78     connect(butSmall, SIGNAL(clicked()), this, SLOT(slotVerticalZoomDown()));
  79     sizeLayout->addWidget(butSmall);
  80
  81     QToolButton *butLarge = new QToolButton(this);
  82     butLarge->setIcon(KIcon("kdenlive-zoom-large"));
  83     butLarge->setToolTip(i18n("Bigger tracks"));
  84     butLarge->setAutoRaise(true);
  85     connect(butLarge, SIGNAL(clicked()), this, SLOT(slotVerticalZoomUp()));
  86     sizeLayout->addWidget(butLarge);
  87
  88     QHBoxLayout *tracksLayout = new QHBoxLayout;
  89     tracksLayout->setContentsMargins(0, 0, 0, 0);
  90     tracksLayout->setSpacing(0);
  91     tracks_frame->setLayout(tracksLayout);
  92
  93     headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  94     headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  95     headers_area->setFixedWidth(70);
  96
  97     QVBoxLayout *headersLayout = new QVBoxLayout;
  98     headersLayout->setContentsMargins(0, m_trackview->frameWidth(), 0, 0);
  99     headersLayout->setSpacing(0);
 100     headers_container->setLayout(headersLayout);
 101     connect(headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
 102
 103     tracksLayout->addWidget(m_trackview);
 104     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), headers_area->verticalScrollBar(), SLOT(setValue(int)));
 105     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
 106     connect(m_trackview, SIGNAL(tracksChanged()), this, SLOT(slotReloadTracks()));
 107     connect(m_trackview, SIGNAL(updateTrackHeaders()), this, SLOT(slotRepaintTracks()));
 108     connect(m_trackview, SIGNAL(showTrackEffects(int, EffectsList)), this, SIGNAL(showTrackEffects(int, EffectsList)));
 109
 110     parseDocument(m_doc->toXml());
 111     if (m_doc->setSceneList() == -1) *ok = false;
 112     else *ok = true;
 113     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
 114     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
 115     connect(m_trackview->horizontalScrollBar(), SIGNAL(rangeChanged(int, int)), this, SLOT(slotUpdateVerticalScroll(int, int)));
 116     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
 117     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
 118
 119     slotChangeZoom(m_doc->zoom().x(), m_doc->zoom().y());
 120     slotSetZone(m_doc->zone());
 121 }
 122
 123 TrackView::~TrackView()
 124 {
 125     delete m_ruler;
 126     delete m_trackview;
 127 }
 128
 129 //virtual
 130 void TrackView::keyPressEvent(QKeyEvent * event)
 131 {
 132     if (event->key() == Qt::Key_Up) {
 133         m_trackview->slotTrackUp();
 134         event->accept();
 135     } else if (event->key() == Qt::Key_Down) {
 136         m_trackview->slotTrackDown();
 137         event->accept();
 138     } else QWidget::keyPressEvent(event);
 139 }
 140
 141 int TrackView::duration() const
 142 {
 143     return m_trackview->duration();
 144 }
 145
 146 int TrackView::tracksNumber() const
 147 {
 148     return m_projectTracks - 1;
 149 }
 150
 151 bool TrackView::checkProjectAudio() const
 152 {
 153     bool hasAudio = false;
 154     const QList <TrackInfo> list = m_doc->tracksList();
 155     int max = list.count();
 156     for (int i = 0; i < max; i++) {
 157         TrackInfo info = list.at(max - i - 1);
 158         if (!info.isMute && m_trackview->hasAudio(i)) {
 159             hasAudio = true;
 160             break;
 161         }
 162     }
 163     return hasAudio;
 164 }
 165
 166 int TrackView::inPoint() const
 167 {
 168     return m_ruler->inPoint();
 169 }
 170
 171 int TrackView::outPoint() const
 172 {
 173     return m_ruler->outPoint();
 174 }
 175
 176 void TrackView::slotSetZone(QPoint p)
 177 {
 178     m_ruler->setZone(p);
 179 }
 180
 181 void TrackView::setDuration(int dur)
 182 {
 183     m_trackview->setDuration(dur);
 184     m_ruler->setDuration(dur);
 185 }
 186
 187 void TrackView::parseDocument(QDomDocument doc)
 188 {
 189     //int cursorPos = 0;
 190     m_documentErrors.clear();
 191
 192     //kDebug() << "//// DOCUMENT: " << doc.toString();
 193     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 194     if (!props.isNull()) {
 195         cursorPos = props.toElement().attribute("timeline_position").toInt();
 196     }*/
 197
 198     // parse project tracks
 199     QDomElement tractor = doc.elementsByTagName("tractor").item(0).toElement();
 200     QDomNodeList tracks = doc.elementsByTagName("track");
 201     QDomNodeList playlists = doc.elementsByTagName("playlist");
 202     int duration = 300;
 203     m_projectTracks = tracks.count();
 204     int trackduration = 0;
 205     QDomElement e;
 206     QDomElement p;
 207
 208     int pos = m_projectTracks - 1;
 209     m_invalidProducers.clear();
 210     QDomNodeList producers = doc.elementsByTagName("producer");
 211     for (int i = 0; i < producers.count(); i++) {
 212         // Check for invalid producers
 213         QDomNode n = producers.item(i);
 214         e = n.toElement();
 215
 216         /*
 217         // Check for invalid markup
 218         QDomNodeList params = e.elementsByTagName("property");
 219         for (int j = 0; j < params.count(); j++) {
 220             QDomElement p = params.item(j).toElement();
 221             if (p.attribute("name") == "markup") {
 222          QString val = p.text().toUtf8().data();
 223          kDebug()<<"//FOUND MARKUP, VAL: "<<val;
 224          //e.setAttribute("value", value);
 225          n.removeChild(params.item(j));
 226          break;
 227             }
 228         }
 229         */
 230
 231         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 232         int in = e.attribute("in").toInt();
 233         int out = e.attribute("out").toInt();
 234         if (in > out || in == out) {
 235             // invalid producer, remove it
 236             QString id = e.attribute("id");
 237             m_invalidProducers.append(id);
 238             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 239             doc.documentElement().removeChild(producers.at(i));
 240             i--;
 241         }
 242     }
 243
 244     for (int i = 0; i < m_projectTracks; i++) {
 245         e = tracks.item(i).toElement();
 246         QString playlist_name = e.attribute("producer");
 247         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 248             // find playlist related to this track
 249             p = QDomElement();
 250             for (int j = 0; j < m_projectTracks; j++) {
 251                 p = playlists.item(j).toElement();
 252                 if (p.attribute("id") == playlist_name) break;
 253             }
 254             if (p.attribute("id") != playlist_name) { // then it didn't work.
 255                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 256             }
 257             if (e.attribute("hide") == "video") {
 258                 m_doc->switchTrackVideo(i - 1, true);
 259             } else if (e.attribute("hide") == "audio") {
 260                 m_doc->switchTrackAudio(i - 1, true);
 261             } else if (e.attribute("hide") == "both") {
 262                 m_doc->switchTrackVideo(i - 1, true);
 263                 m_doc->switchTrackAudio(i - 1, true);
 264             }
 265
 266             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1));
 267             pos--;
 268             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 269             if (trackduration > duration) duration = trackduration;
 270         } else {
 271             // background black track
 272             for (int j = 0; j < m_projectTracks; j++) {
 273                 p = playlists.item(j).toElement();
 274                 if (p.attribute("id") == playlist_name) break;
 275             }
 276             pos--;
 277         }
 278     }
 279
 280     // parse transitions
 281     QDomNodeList transitions = doc.elementsByTagName("transition");
 282
 283     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 284     for (int i = 0; i < transitions.count(); i++) {
 285         e = transitions.item(i).toElement();
 286         QDomNodeList transitionparams = e.childNodes();
 287         bool transitionAdd = true;
 288         int a_track = 0;
 289         int b_track = 0;
 290         bool isAutomatic = false;
 291         bool forceTrack = false;
 292         QString mlt_geometry;
 293         QString mlt_service;
 294         QString transitionId;
 295         for (int k = 0; k < transitionparams.count(); k++) {
 296             p = transitionparams.item(k).toElement();
 297             if (!p.isNull()) {
 298                 QString paramName = p.attribute("name");
 299                 // do not add audio mixing transitions
 300                 if (paramName == "internal_added" && p.text() == "237") {
 301                     transitionAdd = false;
 302                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 303                     //break;
 304                 } else if (paramName == "a_track") {
 305                     a_track = qMax(0, p.text().toInt());
 306                     a_track = qMin(m_projectTracks - 1, a_track);
 307                     if (a_track != p.text().toInt()) {
 308                         // the transition track was out of bounds
 309                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), a_track) + '\n');
 310                         EffectsList::setProperty(e, "a_track", QString::number(a_track));
 311                     }
 312                 } else if (paramName == "b_track") {
 313                     b_track = qMax(0, p.text().toInt());
 314                     b_track = qMin(m_projectTracks - 1, b_track);
 315                     if (b_track != p.text().toInt()) {
 316                         // the transition track was out of bounds
 317                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), b_track) + '\n');
 318                         EffectsList::setProperty(e, "b_track", QString::number(b_track));
 319                     }
 320                 } else if (paramName == "mlt_service") mlt_service = p.text();
 321                 else if (paramName == "kdenlive_id") transitionId = p.text();
 322                 else if (paramName == "geometry") mlt_geometry = p.text();
 323                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 324                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 325             }
 326         }
 327         if (a_track == b_track || b_track == 0) {
 328             // invalid transition, remove it
 329             m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 330             tractor.removeChild(transitions.item(i));
 331             i--;
 332             continue;
 333         }
 334         if (transitionAdd || mlt_service != "mix") {
 335             // Transition should be added to the scene
 336             ItemInfo transitionInfo;
 337             if (mlt_service == "composite" && transitionId.isEmpty()) {
 338                 // When adding composite transition, check if it is a wipe transition
 339                 if (mlt_geometry.count(';') == 1) {
 340                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 341                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 342                     QString start = mlt_geometry.section(';', 0, 0);
 343                     start = start.section(':', 0, 1);
 344                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 345                     QString end = mlt_geometry.section('=', 1, 1);
 346                     end = end.section(':', 0, 1);
 347                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 348                     start.append(',' + end);
 349                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 350                     bool isWipeTransition = true;
 351                     int checkNumber;
 352                     for (int i = 0; i < numbers.size(); ++i) {
 353                         checkNumber = qAbs(numbers.at(i).toInt());
 354                         if (checkNumber != 0 && checkNumber != 100) {
 355                             isWipeTransition = false;
 356                             break;
 357                         }
 358                     }
 359                     if (isWipeTransition) transitionId = "slide";
 360                 }
 361             }
 362
 363             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 364
 365             if (!base.isNull()) for (int k = 0; k < transitionparams.count(); k++) {
 366                     p = transitionparams.item(k).toElement();
 367                     if (!p.isNull()) {
 368                         QString paramName = p.attribute("name");
 369                         QString paramValue = p.text();
 370
 371                         QDomNodeList params = base.elementsByTagName("parameter");
 372                         if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 373                                 QDomElement e = params.item(i).toElement();
 374                                 if (!e.isNull() && e.attribute("tag") == paramName) {
 375                                     if (e.attribute("type") == "double") {
 376                                         QString factor = e.attribute("factor", "1");
 377                                         if (factor != "1") {
 378                                             double fact;
 379                                             if (factor.startsWith('%')) {
 380                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 381                                             } else fact = factor.toDouble();
 382                                             double val = paramValue.toDouble() * fact;
 383                                             paramValue = QString::number(val);
 384                                         }
 385                                     }
 386                                     e.setAttribute("value", paramValue);
 387                                     break;
 388                                 }
 389                             }
 390                     }
 391                 }
 392
 393             /*QDomDocument doc;
 394             doc.appendChild(doc.importNode(base, true));
 395             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 396
 397             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 398             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 399             transitionInfo.track = m_projectTracks - 1 - b_track;
 400
 401             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 402             if (transitionInfo.startPos >= transitionInfo.endPos || base.isNull()) {
 403                 // invalid transition, remove it.
 404                 m_documentErrors.append(i18n("Removed invalid transition: (%1, %2, %3)", e.attribute("id"), mlt_service, transitionId) + '\n');
 405                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 406                 tractor.removeChild(transitions.item(i));
 407                 i--;
 408             } else {
 409                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 410                 if (forceTrack) tr->setForcedTrack(true, a_track);
 411                 m_scene->addItem(tr);
 412                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 413                     tr->setItemLocked(true);
 414                 }
 415             }
 416         }
 417     }
 418
 419     // Add guides
 420     QDomNodeList guides = doc.elementsByTagName("guide");
 421     for (int i = 0; i < guides.count(); i++) {
 422         e = guides.item(i).toElement();
 423         const QString comment = e.attribute("comment");
 424         const GenTime pos = GenTime(e.attribute("time").toDouble());
 425         m_trackview->addGuide(pos, comment);
 426     }
 427
 428     // Rebuild groups
 429     QDomNodeList groups = doc.elementsByTagName("group");
 430     m_trackview->loadGroups(groups);
 431     m_trackview->setDuration(duration);
 432     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 433
 434     // Remove Kdenlive extra info from xml doc before sending it to MLT
 435     QDomElement mlt = doc.firstChildElement("mlt");
 436     QDomElement infoXml = mlt.firstChildElement("kdenlivedoc");
 437     mlt.removeChild(infoXml);
 438
 439     slotRebuildTrackHeaders();
 440     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 441     if (infoXml.hasAttribute("upgraded")) {
 442         // Our document was upgraded, create a backup copy just in case
 443         QString baseFile = m_doc->url().path().section(".kdenlive", 0, 0);
 444         int ct = 0;
 445         QString backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 446         while (QFile::exists(backupFile)) {
 447             ct++;
 448             backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 449         }
 450         if (KIO::NetAccess::file_copy(m_doc->url(), KUrl(backupFile), this))
 451             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));
 452         else
 453             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));
 454     }
 455     //m_trackview->setCursorPos(cursorPos);
 456     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 457 }
 458
 459 void TrackView::slotDeleteClip(const QString &clipId)
 460 {
 461     m_trackview->deleteClip(clipId);
 462 }
 463
 464 void TrackView::setCursorPos(int pos)
 465 {
 466     m_trackview->setCursorPos(pos);
 467 }
 468
 469 void TrackView::moveCursorPos(int pos)
 470 {
 471     m_trackview->setCursorPos(pos, false);
 472 }
 473
 474 void TrackView::slotChangeZoom(int horizontal, int vertical)
 475 {
 476     m_ruler->setPixelPerMark(horizontal);
 477     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[horizontal];
 478
 479     if (vertical == -1) {
 480         // user called zoom
 481         m_doc->setZoom(horizontal, m_verticalZoom);
 482         m_trackview->setScale(m_scale, m_scene->scale().y());
 483     } else {
 484         m_verticalZoom = vertical;
 485         if (m_verticalZoom == 0)
 486             m_trackview->setScale(m_scale, 0.5);
 487         else
 488             m_trackview->setScale(m_scale, m_verticalZoom);
 489         adjustTrackHeaders();
 490     }
 491 }
 492
 493 int TrackView::fitZoom() const
 494 {
 495     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 496     int i;
 497     for (i = 0; i < 13; i++)
 498         if (m_ruler->comboScale[i] > zoom) break;
 499     return i;
 500 }
 501
 502 KdenliveDoc *TrackView::document()
 503 {
 504     return m_doc;
 505 }
 506
 507 void TrackView::refresh()
 508 {
 509     m_trackview->viewport()->update();
 510 }
 511
 512 void TrackView::slotRepaintTracks()
 513 {
 514     QLayoutItem *child;
 515     for (int i = 0; i < headers_container->layout()->count(); i++) {
 516         child = headers_container->layout()->itemAt(i);
 517         if (child->widget() && child->widget()->height() > 5) {
 518             HeaderTrack *head = static_cast <HeaderTrack *>(child->widget());
 519             if (head) head->setSelectedIndex(m_trackview->selectedTrack());
 520         }
 521     }
 522 }
 523
 524 void TrackView::slotReloadTracks()
 525 {
 526     slotRebuildTrackHeaders();
 527     emit updateTracksInfo();
 528 }
 529
 530 void TrackView::slotRebuildTrackHeaders()
 531 {
 532     const QList <TrackInfo> list = m_doc->tracksList();
 533     QLayoutItem *child;
 534     while ((child = headers_container->layout()->takeAt(0)) != 0) {
 535         QWidget *wid = child->widget();
 536         delete child;
 537         if (wid) wid->deleteLater();
 538     }
 539     int max = list.count();
 540     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 541     HeaderTrack *header = NULL;
 542     QFrame *frame = NULL;
 543     for (int i = 0; i < max; i++) {
 544         frame = new QFrame(headers_container);
 545         frame->setFixedHeight(1);
 546         frame->setFrameStyle(QFrame::Plain);
 547         frame->setFrameShape(QFrame::Box);
 548         frame->setLineWidth(1);
 549         headers_container->layout()->addWidget(frame);
 550         TrackInfo info = list.at(max - i - 1);
 551         header = new HeaderTrack(i, info, height, headers_container);
 552         header->setSelectedIndex(m_trackview->selectedTrack());
 553         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 554         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 555         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 556         connect(header, SIGNAL(selectTrack(int)), m_trackview, SLOT(slotSelectTrack(int)));
 557         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 558         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 559         connect(header, SIGNAL(renameTrack(int, QString)), this, SLOT(slotRenameTrack(int, QString)));
 560         connect(header, SIGNAL(configTrack(int)), this, SIGNAL(configTrack(int)));
 561         connect(header, SIGNAL(addTrackInfo(const QDomElement, int)), m_trackview, SLOT(slotAddTrackEffect(const QDomElement, int)));
 562         connect(header, SIGNAL(showTrackEffects(int)), this, SLOT(slotShowTrackEffects(int)));
 563         headers_container->layout()->addWidget(header);
 564     }
 565     frame = new QFrame(this);
 566     frame->setFixedHeight(1);
 567     frame->setFrameStyle(QFrame::Plain);
 568     frame->setFrameShape(QFrame::Box);
 569     frame->setLineWidth(1);
 570     headers_container->layout()->addWidget(frame);
 571 }
 572
 573
 574 void TrackView::adjustTrackHeaders()
 575 {
 576     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 577     QLayoutItem *child;
 578     for (int i = 0; i < headers_container->layout()->count(); i++) {
 579         child = headers_container->layout()->itemAt(i);
 580         if (child->widget() && child->widget()->height() > 5)(static_cast <HeaderTrack *>(child->widget()))->adjustSize(height);
 581     }
 582 }
 583
 584 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked)
 585 {
 586     // parse track
 587     int position = 0;
 588     QDomNodeList children = xml.childNodes();
 589     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 590         QDomNode n = children.item(nodeindex);
 591         QDomElement elem = n.toElement();
 592         if (elem.tagName() == "blank") {
 593             position += elem.attribute("length").toInt();
 594         } else if (elem.tagName() == "entry") {
 595             // Found a clip
 596             int in = elem.attribute("in").toInt();
 597             int out = elem.attribute("out").toInt();
 598             if (in > out || /*in == out ||*/ m_invalidProducers.contains(elem.attribute("producer"))) {
 599                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 600                 xml.removeChild(children.at(nodeindex));
 601                 nodeindex--;
 602                 continue;
 603             }
 604             QString idString = elem.attribute("producer");
 605             QString id = idString;
 606             double speed = 1.0;
 607             int strobe = 1;
 608             if (idString.startsWith("slowmotion")) {
 609                 id = idString.section(':', 1, 1);
 610                 speed = idString.section(':', 2, 2).toDouble();
 611                 strobe = idString.section(':', 3, 3).toInt();
 612                 if (strobe == 0) strobe = 1;
 613             } else id = id.section('_', 0, 0);
 614             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 615             if (clip == NULL) {
 616                 // The clip in playlist was not listed in the kdenlive producers,
 617                 // something went wrong, repair required.
 618                 kWarning() << "CANNOT INSERT CLIP " << id;
 619
 620                 clip = getMissingProducer(id);
 621                 if (!clip) {
 622                     // We cannot find the producer, something is really wrong, add
 623                     // placeholder color clip
 624                     QDomDocument doc;
 625                     QDomElement producerXml = doc.createElement("producer");
 626                     doc.appendChild(producerXml);
 627                     producerXml.setAttribute("colour", "0xff0000ff");
 628                     producerXml.setAttribute("mlt_service", "colour");
 629                     producerXml.setAttribute("length", "15000");
 630                     producerXml.setAttribute("name", "INVALID");
 631                     producerXml.setAttribute("type", COLOR);
 632                     producerXml.setAttribute("id", id);
 633                     clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
 634                     xml.insertBefore(producerXml, QDomNode());
 635                     m_doc->clipManager()->addClip(clip);
 636
 637                     m_documentErrors.append(i18n("Broken clip producer %1", id) + '\n');
 638                 } else {
 639                     // Found correct producer
 640                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 641                     elem.setAttribute("producer", clip->getId());
 642                 }
 643                 m_doc->setModified(true);
 644             }
 645
 646             if (clip != NULL) {
 647                 ItemInfo clipinfo;
 648                 clipinfo.startPos = GenTime(position, m_doc->fps());
 649                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 650                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 651                 clipinfo.cropDuration = clipinfo.endPos - clipinfo.startPos;
 652
 653                 clipinfo.track = ix;
 654                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 655                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, strobe, false);
 656                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 657                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 658                 m_scene->addItem(item);
 659                 if (locked) item->setItemLocked(true);
 660                 clip->addReference();
 661                 position += (out - in + 1);
 662                 if (speed != 1.0 || strobe > 1) {
 663                     QDomElement speedeffect = MainWindow::videoEffects.getEffectByTag(QString(), "speed").cloneNode().toElement();
 664                     EffectsList::setParameter(speedeffect, "speed", QString::number((int)(100 * speed + 0.5)));
 665                     EffectsList::setParameter(speedeffect, "strobe", QString::number(strobe));
 666                     item->addEffect(speedeffect, false);
 667                     item->effectsCounter();
 668                 }
 669
 670                 // parse clip effects
 671                 QDomNodeList effects = elem.childNodes();
 672                 for (int ix = 0; ix < effects.count(); ix++) {
 673                     bool disableeffect = false;
 674                     QDomElement effect = effects.at(ix).toElement();
 675                     if (effect.tagName() == "filter") {
 676                         // add effect to clip
 677                         QString effecttag;
 678                         QString effectid;
 679                         QString effectindex = QString::number(ix + 1);
 680                         QString ladspaEffectFile;
 681                         // Get effect tag & index
 682                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 683                             // parse effect parameters
 684                             QDomElement effectparam = n3.toElement();
 685                             if (effectparam.attribute("name") == "tag") {
 686                                 effecttag = effectparam.text();
 687                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 688                                 effectid = effectparam.text();
 689                             } else if (effectparam.attribute("name") == "disable" && effectparam.text().toInt() == 1) {
 690                                 // Fix effects index
 691                                 disableeffect = true;
 692                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 693                                 // Fix effects index
 694                                 effectparam.firstChild().setNodeValue(effectindex);
 695                             } else if (effectparam.attribute("name") == "src") {
 696                                 ladspaEffectFile = effectparam.text();
 697                                 if (!QFile::exists(ladspaEffectFile)) {
 698                                     // If the ladspa effect file is missing, recreate it
 699                                     kDebug() << "// MISSING LADSPA FILE: " << ladspaEffectFile;
 700                                     ladspaEffectFile = m_doc->getLadspaFile();
 701                                     effectparam.firstChild().setNodeValue(ladspaEffectFile);
 702                                     kDebug() << "// ... REPLACED WITH: " << ladspaEffectFile;
 703                                 }
 704                             }
 705                         }
 706                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 707                         // get effect standard tags
 708                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 709                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 710                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 711                         if (clipeffect.isNull()) {
 712                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 713                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 714                             elem.removeChild(effects.at(ix));
 715                             ix--;
 716                         } else {
 717                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 718                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 719                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 720
 721                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 722                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 723                                 // effect is key-framable, read all effects to retrieve keyframes
 724                                 QString factor;
 725                                 QString starttag;
 726                                 QString endtag;
 727                                 QDomNodeList 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") {
 731                                         starttag = e.attribute("starttag", "start");
 732                                         endtag = e.attribute("endtag", "end");
 733                                         factor = e.attribute("factor", "1");
 734                                         break;
 735                                     }
 736                                 }
 737                                 QString keyframes;
 738                                 int effectin = effect.attribute("in").toInt();
 739                                 int effectout = effect.attribute("out").toInt();
 740                                 double startvalue = 0;
 741                                 double endvalue = 0;
 742                                 double fact;
 743                                 if (factor.isEmpty()) fact = 1;
 744                                 else if (factor.startsWith('%')) {
 745                                     fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 746                                 } else fact = factor.toDouble();
 747                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 748                                     // parse effect parameters
 749                                     QDomElement effectparam = n3.toElement();
 750                                     if (effectparam.attribute("name") == starttag)
 751                                         startvalue = effectparam.text().toDouble() * fact;
 752                                     if (effectparam.attribute("name") == endtag)
 753                                         endvalue = effectparam.text().toDouble() * fact;
 754                                 }
 755                                 // add first keyframe
 756                                 keyframes.append(QString::number(effectin) + ':' + QString::number(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 757                                 QDomNode lastParsedEffect;
 758                                 ix++;
 759                                 QDomNode n2 = effects.at(ix);
 760                                 bool continueParsing = true;
 761                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 762                                     // parse all effects
 763                                     QDomElement kfreffect = n2.toElement();
 764                                     int effectout = kfreffect.attribute("out").toInt();
 765
 766                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 767                                         // parse effect parameters
 768                                         QDomElement subeffectparam = n4.toElement();
 769                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 770                                             //We are not in the same effect, stop parsing
 771                                             lastParsedEffect = n2.previousSibling();
 772                                             ix--;
 773                                             continueParsing = false;
 774                                             break;
 775                                         } else if (subeffectparam.attribute("name") == endtag) {
 776                                             endvalue = subeffectparam.text().toDouble() * fact;
 777                                             break;
 778                                         }
 779                                     }
 780                                     if (continueParsing) {
 781                                         keyframes.append(QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 782                                         ix++;
 783                                     }
 784                                 }
 785
 786                                 params = currenteffect.elementsByTagName("parameter");
 787                                 for (int i = 0; i < params.count(); i++) {
 788                                     QDomElement e = params.item(i).toElement();
 789                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 790                                 }
 791                                 if (!continueParsing) {
 792                                     n2 = lastParsedEffect;
 793                                 }
 794                             } else {
 795                                 // Check if effect has in/out points
 796                                 if (effect.hasAttribute("in")) {
 797                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 798                                 }
 799                                 if (effect.hasAttribute("out")) {
 800                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 801                                 }
 802                             }
 803
 804                             // adjust effect parameters
 805                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 806                                 // parse effect parameters
 807                                 QDomElement effectparam = n3.toElement();
 808                                 QString paramname = effectparam.attribute("name");
 809                                 QString paramvalue = effectparam.text();
 810
 811
 812                                 // try to find this parameter in the effect xml
 813                                 QDomElement e;
 814                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 815                                     e = clipeffectparams.item(k).toElement();
 816                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 817                                         if (e.attribute("factor", "1") != "1") {
 818                                             QString factor = e.attribute("factor", "1");
 819                                             double fact;
 820                                             if (factor.startsWith('%')) {
 821                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 822                                             } else fact = factor.toDouble();
 823                                             if (e.attribute("type") == "simplekeyframe") {
 824                                                 QStringList kfrs = paramvalue.split(";");
 825                                                 for (int l = 0; l < kfrs.count(); l++) {
 826                                                     QString fr = kfrs.at(l).section("=", 0, 0);
 827                                                     double val = kfrs.at(l).section("=", 1, 1).toDouble();
 828                                                     kfrs[l] = fr + ":" + QString::number((int)(val * fact));
 829                                                 }
 830                                                 e.setAttribute("keyframes", kfrs.join(";"));
 831                                             } else e.setAttribute("value", paramvalue.toDouble() * fact);
 832                                         } else e.setAttribute("value", paramvalue);
 833                                         break;
 834                                     }
 835                                 }
 836                             }
 837                             if (effecttag == "ladspa") {
 838                                 //QString ladspaEffectFile = EffectsList::parameter(effect, "src", "property");
 839
 840                                 if (!QFile::exists(ladspaEffectFile)) {
 841                                     // If the ladspa effect file is missing, recreate it
 842                                     initEffects::ladspaEffectFile(ladspaEffectFile, currenteffect.attribute("ladspaid").toInt(), m_trackview->getLadspaParams(currenteffect));
 843                                 }
 844                                 currenteffect.setAttribute("src", ladspaEffectFile);
 845                             }
 846                             if (disableeffect) currenteffect.setAttribute("disable", "1");
 847                             item->addEffect(currenteffect, false);
 848                         }
 849                     }
 850                 }
 851             }
 852             //m_clipList.append(clip);
 853         }
 854     }
 855     //m_trackDuration = position;
 856
 857
 858     //documentTracks.insert(ix, track);
 859     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 860     return position;
 861     //track->show();
 862 }
 863
 864 DocClipBase *TrackView::getMissingProducer(const QString id) const
 865 {
 866     QDomElement missingXml;
 867     QDomDocument doc = m_doc->toXml();
 868     QString docRoot = doc.documentElement().attribute("root");
 869     if (!docRoot.endsWith('/')) docRoot.append('/');
 870     QDomNodeList prods = doc.elementsByTagName("producer");
 871     int maxprod = prods.count();
 872     for (int i = 0; i < maxprod; i++) {
 873         QDomNode m = prods.at(i);
 874         QString prodId = m.toElement().attribute("id");
 875         if (prodId == id) {
 876             missingXml =  m.toElement();
 877             break;
 878         }
 879     }
 880     if (missingXml == QDomElement()) return NULL;
 881
 882     QDomNodeList params = missingXml.childNodes();
 883     QString resource;
 884     for (int j = 0; j < params.count(); j++) {
 885         QDomElement e = params.item(j).toElement();
 886         if (e.attribute("name") == "resource") {
 887             resource = e.firstChild().nodeValue();
 888             break;
 889         }
 890     }
 891     // prepend MLT XML document root if no path in clip resource and not a color clip
 892     if (!resource.startsWith('/') && !resource.startsWith("0x")) resource.prepend(docRoot);
 893     DocClipBase *missingClip = NULL;
 894     if (!resource.isEmpty()) {
 895         QList <DocClipBase *> list = m_doc->clipManager()->getClipByResource(resource);
 896         if (!list.isEmpty()) missingClip = list.at(0);
 897     }
 898     return missingClip;
 899 }
 900
 901 QGraphicsScene *TrackView::projectScene()
 902 {
 903     return m_scene;
 904 }
 905
 906 CustomTrackView *TrackView::projectView()
 907 {
 908     return m_trackview;
 909 }
 910
 911 void TrackView::setEditMode(const QString & editMode)
 912 {
 913     m_editMode = editMode;
 914 }
 915
 916 const QString & TrackView::editMode() const
 917 {
 918     return m_editMode;
 919 }
 920
 921 void TrackView::slotChangeTrackLock(int ix, bool lock)
 922 {
 923     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 924     widgets.at(ix)->setLock(lock);
 925 }
 926
 927
 928 void TrackView::slotVerticalZoomDown()
 929 {
 930     if (m_verticalZoom == 0) return;
 931     m_verticalZoom--;
 932     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 933     if (m_verticalZoom == 0)
 934         m_trackview->setScale(m_scene->scale().x(), 0.5);
 935     else
 936         m_trackview->setScale(m_scene->scale().x(), 1);
 937     adjustTrackHeaders();
 938     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 939 }
 940
 941 void TrackView::slotVerticalZoomUp()
 942 {
 943     if (m_verticalZoom == 2) return;
 944     m_verticalZoom++;
 945     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 946     if (m_verticalZoom == 2)
 947         m_trackview->setScale(m_scene->scale().x(), 2);
 948     else
 949         m_trackview->setScale(m_scene->scale().x(), 1);
 950     adjustTrackHeaders();
 951     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 952 }
 953
 954 void TrackView::updateProjectFps()
 955 {
 956     m_ruler->updateProjectFps(m_doc->timecode());
 957     m_trackview->updateProjectFps();
 958 }
 959
 960 void TrackView::slotRenameTrack(int ix, QString name)
 961 {
 962     int tracknumber = m_doc->tracksCount() - ix;
 963     QList <TrackInfo> tracks = m_doc->tracksList();
 964     tracks[tracknumber - 1].trackName = name;
 965     ConfigTracksCommand *configTracks = new ConfigTracksCommand(m_trackview, m_doc->tracksList(), tracks);
 966     m_doc->commandStack()->push(configTracks);
 967     m_doc->setModified(true);
 968 }
 969
 970 void TrackView::slotUpdateVerticalScroll(int /*min*/, int max)
 971 {
 972     int height = 0;
 973     if (max > 0) height = m_trackview->horizontalScrollBar()->height() - 1;
 974     headers_container->layout()->setContentsMargins(0, m_trackview->frameWidth(), 0, height);
 975 }
 976
 977 void TrackView::updateRuler()
 978 {
 979     m_ruler->update();
 980 }
 981
 982 void TrackView::slotShowTrackEffects(int ix)
 983 {
 984     emit showTrackEffects(m_doc->tracksCount() - ix, m_doc->getTrackEffects(ix));
 985 }
 986
 987 #include "trackview.moc"