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 <QScrollBar>
  22
  23 #include <KDebug>
  24 #include <KMessageBox>
  25
  26 #include "definitions.h"
  27 #include "headertrack.h"
  28 #include "trackview.h"
  29 #include "clipitem.h"
  30 #include "transition.h"
  31 #include "kdenlivesettings.h"
  32 #include "clipmanager.h"
  33 #include "customruler.h"
  34 #include "kdenlivedoc.h"
  35 #include "mainwindow.h"
  36 #include "customtrackview.h"
  37
  38
  39 TrackView::TrackView(KdenliveDoc *doc, QWidget *parent)
  40         : QWidget(parent), m_doc(doc), m_scale(1.0), m_projectTracks(0) {
  41
  42     view = new Ui::TimeLine_UI();
  43     view->setupUi(this);
  44
  45     m_scene = new CustomTrackScene(doc);
  46     m_trackview = new CustomTrackView(doc, m_scene, parent);
  47     m_trackview->scale(1, 1);
  48     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  49     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  50
  51     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  52     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  53     QHBoxLayout *layout = new QHBoxLayout;
  54     view->ruler_frame->setLayout(layout);
  55     int left_margin;
  56     int right_margin;
  57     layout->getContentsMargins(&left_margin, 0, &right_margin, 0);
  58     layout->setContentsMargins(left_margin, 0, right_margin, 0);
  59     layout->addWidget(m_ruler);
  60
  61     QHBoxLayout *tracksLayout = new QHBoxLayout;
  62     tracksLayout->setContentsMargins(0, 0, 0, 0);
  63     view->tracks_frame->setLayout(tracksLayout);
  64
  65     view->headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  66     view->headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  67
  68     m_headersLayout = new QVBoxLayout;
  69     m_headersLayout->setContentsMargins(0, 0, 0, 0);
  70     m_headersLayout->setSpacing(0);
  71     view->headers_container->setLayout(m_headersLayout);
  72
  73     connect(view->headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
  74
  75     tracksLayout->addWidget(m_trackview);
  76
  77     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), view->headers_area->verticalScrollBar(), SLOT(setValue(int)));
  78     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
  79
  80     parseDocument(m_doc->toXml());
  81
  82     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
  83     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
  84     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
  85     connect(m_trackview, SIGNAL(clipItemSelected(ClipItem*)), this, SLOT(slotClipItemSelected(ClipItem*)));
  86     connect(m_trackview, SIGNAL(transitionItemSelected(Transition*)), this, SLOT(slotTransitionItemSelected(Transition*)));
  87     slotChangeZoom(m_doc->zoom());
  88 }
  89
  90
  91 int TrackView::duration() const {
  92     return m_trackview->duration();
  93 }
  94
  95 int TrackView::tracksNumber() const {
  96     return m_projectTracks;
  97 }
  98
  99 int TrackView::inPoint() const {
 100     return m_ruler->inPoint();
 101 }
 102
 103 int TrackView::outPoint() const {
 104     return m_ruler->outPoint();
 105 }
 106
 107 void TrackView::slotSetZone(QPoint p) {
 108     m_ruler->setZone(p);
 109 }
 110
 111 void TrackView::slotClipItemSelected(ClipItem*c) {
 112     emit clipItemSelected(c);
 113 }
 114
 115 void TrackView::slotTransitionItemSelected(Transition *t) {
 116     emit transitionItemSelected(t);
 117 }
 118
 119 void TrackView::setDuration(int dur) {
 120     m_trackview->setDuration(dur);
 121     m_ruler->setDuration(dur);
 122 }
 123
 124 void TrackView::parseDocument(QDomDocument doc) {
 125     int cursorPos = 0;
 126     m_documentErrors = QString();
 127     // kDebug() << "//// DOCUMENT: " << doc.toString();
 128     QDomNode props = doc.elementsByTagName("properties").item(0);
 129     if (!props.isNull()) {
 130         cursorPos = props.toElement().attribute("timeline_position").toInt();
 131     }
 132
 133     // parse project tracks
 134     QDomNodeList tracks = doc.elementsByTagName("track");
 135     QDomNodeList playlists = doc.elementsByTagName("playlist");
 136     int duration = 300;
 137     m_projectTracks = tracks.count();
 138     int trackduration = 0;
 139     QDomElement e;
 140     QDomElement p;
 141     bool videotrack;
 142
 143     int pos = m_projectTracks - 1;
 144
 145
 146     for (int i = 0; i < m_projectTracks; i++) {
 147         e = tracks.item(i).toElement();
 148         QString playlist_name = e.attribute("producer");
 149         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 150             // find playlist related to this track
 151             p = QDomElement();
 152             for (int j = 0; j < m_projectTracks; j++) {
 153                 p = playlists.item(j).toElement();
 154                 if (p.attribute("id") == playlist_name) break;
 155             }
 156             videotrack = (e.attribute("hide") != "video");
 157             trackduration = slotAddProjectTrack(pos, p, videotrack);
 158             pos--;
 159             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 160             if (trackduration > duration) duration = trackduration;
 161         } else {
 162             // background black track
 163             for (int j = 0; j < m_projectTracks; j++) {
 164                 p = playlists.item(j).toElement();
 165                 if (p.attribute("id") == playlist_name) break;
 166             }
 167             int black_clips = p.childNodes().count();
 168             for (int i = 0; i < black_clips; i++)
 169                 m_doc->loadingProgressed();
 170             qApp->processEvents();
 171             pos--;
 172         }
 173     }
 174
 175     // parse transitions
 176     QDomNodeList transitions = doc.elementsByTagName("transition");
 177     int projectTransitions = transitions.count();
 178     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 179     for (int i = 0; i < projectTransitions; i++) {
 180         e = transitions.item(i).toElement();
 181         QDomNodeList transitionparams = e.childNodes();
 182         bool transitionAdd = true;
 183         int a_track = 0;
 184         int b_track = 0;
 185         QString mlt_service;
 186         for (int k = 0; k < transitionparams.count(); k++) {
 187             p = transitionparams.item(k).toElement();
 188             if (!p.isNull()) {
 189                 QString paramName = p.attribute("name");
 190                 // do not add audio mixing transitions
 191                 if (paramName == "internal_added" && p.text() == "237") {
 192                     transitionAdd = false;
 193                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 194                     break;
 195                 } else if (paramName == "a_track") a_track = p.text().toInt();
 196                 else if (paramName == "b_track") b_track = m_projectTracks - 1 - p.text().toInt();
 197                 else if (paramName == "mlt_service") mlt_service = p.text();
 198             }
 199         }
 200         if (transitionAdd) {
 201             // Transition should be added to the scene
 202             ItemInfo transitionInfo;
 203             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, QString());
 204
 205             for (int k = 0; k < transitionparams.count(); k++) {
 206                 p = transitionparams.item(k).toElement();
 207                 if (!p.isNull()) {
 208                     QString paramName = p.attribute("name");
 209                     QString paramValue = p.text();
 210
 211                     QDomNodeList params = base.elementsByTagName("parameter");
 212                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 213                             QDomElement e = params.item(i).toElement();
 214                             if (!e.isNull() && e.attribute("tag") == paramName) {
 215                                 if (e.attribute("type") == "double") {
 216                                     QString factor = e.attribute("factor", "1");
 217                                     if (factor != "1") {
 218                                         double val = paramValue.toDouble() * factor.toDouble();
 219                                         paramValue = QString::number(val);
 220                                     }
 221                                 }
 222                                 e.setAttribute("value", paramValue);
 223                                 break;
 224                             }
 225                         }
 226                 }
 227             }
 228
 229             /*QDomDocument doc;
 230             doc.appendChild(doc.importNode(base, true));
 231             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 232
 233             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 234             transitionInfo.endPos = GenTime(e.attribute("out").toInt(), m_doc->fps());
 235             transitionInfo.track = b_track;
 236             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 237             Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base);
 238             m_scene->addItem(tr);
 239         }
 240     }
 241
 242     // Add guides
 243     QDomNodeList guides = doc.elementsByTagName("guide");
 244     for (int i = 0; i < guides.count(); i++) {
 245         e = guides.item(i).toElement();
 246         const QString comment = e.attribute("comment");
 247         const GenTime pos = GenTime(e.attribute("time").toDouble());
 248         m_trackview->addGuide(pos, comment);
 249     }
 250
 251     m_trackview->setDuration(duration);
 252     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 253     slotRebuildTrackHeaders();
 254     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 255     //m_trackview->setCursorPos(cursorPos);
 256     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 257 }
 258
 259 void TrackView::slotDeleteClip(const QString &clipId) {
 260     m_trackview->deleteClip(clipId);
 261 }
 262
 263 void TrackView::setCursorPos(int pos) {
 264     m_trackview->setCursorPos(pos);
 265 }
 266
 267 void TrackView::moveCursorPos(int pos) {
 268     m_trackview->setCursorPos(pos, false);
 269 }
 270
 271 void TrackView::slotChangeZoom(int factor) {
 272     m_doc->setZoom(factor);
 273     m_ruler->setPixelPerMark(factor);
 274     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
 275     m_trackview->setScale(m_scale);
 276 }
 277
 278 int TrackView::fitZoom() const {
 279     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 280     int i;
 281     for (i = 0; i < 13; i++)
 282         if (m_ruler->comboScale[i] > zoom) break;
 283     return i;
 284 }
 285
 286 const double TrackView::zoomFactor() const {
 287     return m_scale;
 288 }
 289
 290 const int TrackView::mapLocalToValue(int x) const {
 291     return (int)(x * zoomFactor());
 292 }
 293
 294 KdenliveDoc *TrackView::document() {
 295     return m_doc;
 296 }
 297
 298 void TrackView::refresh() {
 299     m_trackview->viewport()->update();
 300 }
 301
 302 void TrackView::slotRebuildTrackHeaders() {
 303     QList <TrackInfo> list = m_trackview->tracksList();
 304     QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
 305     for (int i = 0; i < widgets.count(); i++)
 306         delete widgets.at(i);
 307     int max = list.count();
 308     for (int i = 0; i < max; i++) {
 309         HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
 310         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 311         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 312         /*
 313         //TODO: re-enable when add / remove track is implemented
 314         connect(header, SIGNAL(deleteTrack(int)), m_trackview, SLOT(slotDeleteTrack(int)));
 315         connect(header, SIGNAL(insertTrack(int)), m_trackview, SLOT(slotInsertTrack(int)));*/
 316         m_headersLayout->addWidget(header);
 317     }
 318     view->headers_container->adjustSize();
 319 }
 320
 321 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool videotrack) {
 322     TrackInfo info;
 323
 324     if (videotrack) {
 325         info.type = VIDEOTRACK;
 326         info.isMute = false;
 327         info.isBlind = false;
 328     } else {
 329         info.type = AUDIOTRACK;
 330         info.isMute = false;
 331         info.isBlind = false;
 332     }
 333
 334     m_trackview->addTrack(info);
 335
 336     int trackTop = KdenliveSettings::trackheight() * ix;
 337     // parse track
 338     int position = 0;
 339     for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
 340         QDomElement elem = n.toElement();
 341         if (elem.tagName() == "blank") {
 342             position += elem.attribute("length").toInt();
 343         } else if (elem.tagName() == "entry") {
 344             m_doc->loadingProgressed();
 345             qApp->processEvents();
 346             // Found a clip
 347             int in = elem.attribute("in").toInt();
 348             QString idString = elem.attribute("producer");
 349             QString id = idString;
 350             bool hasSpeedAttribute = false;
 351             double speed;
 352             if (idString.startsWith("slowmotion")) {
 353                 hasSpeedAttribute = true;
 354                 id = idString.section(":", 1, 1);
 355                 speed = idString.section(":", 2, 2).toDouble();
 356             }
 357             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 358             if (clip != NULL) {
 359                 int out = elem.attribute("out").toInt();
 360
 361                 ItemInfo clipinfo;
 362                 clipinfo.startPos = GenTime(position, m_doc->fps());
 363                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 364                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 365                 clipinfo.track = ix;
 366                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 367                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), false);
 368                 if (hasSpeedAttribute) item->setSpeed(speed);
 369                 m_scene->addItem(item);
 370                 clip->addReference();
 371                 position += (out - in + 1);
 372
 373                 // parse clip effects
 374                 QDomNodeList effects = elem.childNodes();
 375                 for (int ix = 0; ix < effects.count(); ix++) {
 376                     QDomElement effect = effects.at(ix).toElement();
 377                     if (effect.tagName() == "filter") {
 378                         kDebug() << " * * * * * * * * * * ** CLIP EFF FND  * * * * * * * * * * *";
 379                         // add effect to clip
 380                         QString effecttag;
 381                         QString effectid;
 382                         QString effectindex;
 383                         // Get effect tag & index
 384                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 385                             // parse effect parameters
 386                             QDomElement effectparam = n3.toElement();
 387                             if (effectparam.attribute("name") == "tag") {
 388                                 effecttag = effectparam.text();
 389                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 390                                 effectid = effectparam.text();
 391                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 392                                 effectindex = effectparam.text();
 393                             }
 394                         }
 395
 396                         // get effect standard tags
 397                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 398                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 399                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 400                         if (clipeffect.isNull()) {
 401                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 402                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 403                             elem.removeChild(effects.at(ix));
 404                             ix--;
 405                         } else {
 406                             clipeffect.setAttribute("kdenlive_ix", effectindex);
 407                             QDomNodeList clipeffectparams = clipeffect.childNodes();
 408
 409                             if (MainWindow::videoEffects.hasKeyFrames(clipeffect)) {
 410                                 kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 411                                 // effect is key-framable, read all effects to retrieve keyframes
 412                                 double factor;
 413                                 QString starttag;
 414                                 QString endtag;
 415                                 QDomNodeList params = clipeffect.elementsByTagName("parameter");
 416                                 for (int i = 0; i < params.count(); i++) {
 417                                     QDomElement e = params.item(i).toElement();
 418                                     if (e.attribute("type") == "keyframe") {
 419                                         starttag = e.attribute("starttag", "start");
 420                                         endtag = e.attribute("endtag", "end");
 421                                         factor = e.attribute("factor", "1").toDouble();
 422                                         break;
 423                                     }
 424                                 }
 425                                 QString keyframes;
 426                                 int effectin = effect.attribute("in").toInt();
 427                                 int effectout = effect.attribute("out").toInt();
 428                                 double startvalue;
 429                                 double endvalue;
 430                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 431                                     // parse effect parameters
 432                                     QDomElement effectparam = n3.toElement();
 433                                     if (effectparam.attribute("name") == starttag)
 434                                         startvalue = effectparam.text().toDouble() * factor;
 435                                     if (effectparam.attribute("name") == endtag)
 436                                         endvalue = effectparam.text().toDouble() * factor;
 437                                 }
 438                                 // add first keyframe
 439                                 keyframes.append(QString::number(in + effectin) + ":" + QString::number(startvalue) + ";" + QString::number(in + effectout) + ":" + QString::number(endvalue) + ";");
 440                                 QDomNode lastParsedEffect;
 441                                 ix++;
 442                                 QDomNode n2 = effects.at(ix);
 443                                 bool continueParsing = true;
 444                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 445                                     // parse all effects
 446                                     QDomElement kfreffect = n2.toElement();
 447                                     int effectout = kfreffect.attribute("out").toInt();
 448
 449                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 450                                         // parse effect parameters
 451                                         QDomElement subeffectparam = n4.toElement();
 452                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 453                                             //We are not in the same effect, stop parsing
 454                                             lastParsedEffect = n2.previousSibling();
 455                                             continueParsing = false;
 456                                             break;
 457                                         } else if (subeffectparam.attribute("name") == endtag) {
 458                                             endvalue = subeffectparam.text().toDouble() * factor;
 459                                             break;
 460                                         }
 461                                     }
 462                                     if (continueParsing) keyframes.append(QString::number(in + effectout) + ":" + QString::number(endvalue) + ";");
 463                                     ix++;
 464                                 }
 465
 466                                 params = clipeffect.elementsByTagName("parameter");
 467                                 for (int i = 0; i < params.count(); i++) {
 468                                     QDomElement e = params.item(i).toElement();
 469                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 470                                 }
 471                                 if (!continueParsing) {
 472                                     n2 = lastParsedEffect;
 473                                 }
 474                             }
 475
 476                             // adjust effect parameters
 477                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 478                                 // parse effect parameters
 479                                 QDomElement effectparam = n3.toElement();
 480                                 QString paramname = effectparam.attribute("name");
 481                                 QString paramvalue = effectparam.text();
 482
 483                                 // try to find this parameter in the effect xml
 484                                 QDomElement e;
 485                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 486                                     e = clipeffectparams.item(k).toElement();
 487                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 488                                         e.setAttribute("value", paramvalue);
 489                                         break;
 490                                     }
 491                                 }
 492                             }
 493                             item->addEffect(clipeffect, false);
 494                             item->effectsCounter();
 495                         }
 496                     }
 497                 }
 498             } else kWarning() << "CANNOT INSERT CLIP " << id;
 499             //m_clipList.append(clip);
 500         }
 501     }
 502     //m_trackDuration = position;
 503
 504
 505     //documentTracks.insert(ix, track);
 506     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 507     return position;
 508     //track->show();
 509 }
 510
 511 QGraphicsScene *TrackView::projectScene() {
 512     return m_scene;
 513 }
 514
 515 CustomTrackView *TrackView::projectView() {
 516     return m_trackview;
 517 }
 518
 519 void TrackView::setEditMode(const QString & editMode) {
 520     m_editMode = editMode;
 521 }
 522
 523 const QString & TrackView::editMode() const {
 524     return m_editMode;
 525 }
 526
 527
 528
 529 #include "trackview.moc"