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