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), m_currentZoom(4) {
  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(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_currentZoom);
  85 }
  86
  87 int TrackView::currentZoom() const {
  88     return m_currentZoom;
  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::slotClipItemSelected(ClipItem*c) {
 108     emit clipItemSelected(c);
 109 }
 110
 111 void TrackView::slotTransitionItemSelected(Transition *t) {
 112     emit transitionItemSelected(t);
 113 }
 114
 115 void TrackView::setDuration(int dur) {
 116     m_trackview->setDuration(dur);
 117     m_ruler->setDuration(dur);
 118 }
 119
 120 void TrackView::parseDocument(QDomDocument doc) {
 121     int cursorPos = 0;
 122     // kDebug() << "//// DOCUMENT: " << doc.toString();
 123     QDomNode props = doc.elementsByTagName("properties").item(0);
 124     if (!props.isNull()) {
 125         cursorPos = props.toElement().attribute("timeline_position").toInt();
 126     }
 127
 128     // parse project tracks
 129     QDomNodeList tracks = doc.elementsByTagName("track");
 130     QDomNodeList playlists = doc.elementsByTagName("playlist");
 131     int duration = 300;
 132     m_projectTracks = tracks.count();
 133     int trackduration = 0;
 134     QDomElement e;
 135     QDomElement p;
 136     bool videotrack;
 137
 138     int pos = m_projectTracks - 1;
 139
 140     for (int i = 0; i < m_projectTracks; i++) {
 141         e = tracks.item(i).toElement();
 142         QString playlist_name = e.attribute("producer");
 143         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 144             // find playlist related to this track
 145             p = QDomElement();
 146             for (int j = 0; j < m_projectTracks; j++) {
 147                 p = playlists.item(j).toElement();
 148                 if (p.attribute("id") == playlist_name) break;
 149             }
 150             videotrack = (e.attribute("hide") != "video");
 151             trackduration = slotAddProjectTrack(pos, p, videotrack);
 152             pos--;
 153             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 154             if (trackduration > duration) duration = trackduration;
 155         } else {
 156             // background black track
 157             for (int j = 0; j < m_projectTracks; j++) {
 158                 p = playlists.item(j).toElement();
 159                 if (p.attribute("id") == playlist_name) break;
 160             }
 161             int black_clips = p.childNodes().count();
 162             for (int i = 0; i < black_clips; i++)
 163                 m_doc->loadingProgressed();
 164             qApp->processEvents();
 165             pos--;
 166         }
 167     }
 168
 169     // parse transitions
 170     QDomNodeList transitions = doc.elementsByTagName("transition");
 171     int projectTransitions = transitions.count();
 172     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 173     for (int i = 0; i < projectTransitions; i++) {
 174         e = transitions.item(i).toElement();
 175         QDomNodeList transitionparams = e.childNodes();
 176         bool transitionAdd = true;
 177         int a_track = 0;
 178         int b_track = 0;
 179         QString mlt_service;
 180         for (int k = 0; k < transitionparams.count(); k++) {
 181             p = transitionparams.item(k).toElement();
 182             if (!p.isNull()) {
 183                 QString paramName = p.attribute("name");
 184                 // do not add audio mixing transitions
 185                 if (paramName == "internal_added" && p.text() == "237") {
 186                     transitionAdd = false;
 187                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 188                     break;
 189                 } else if (paramName == "a_track") a_track = p.text().toInt();
 190                 else if (paramName == "b_track") b_track = m_projectTracks - 1 - p.text().toInt();
 191                 else if (paramName == "mlt_service") mlt_service = p.text();
 192             }
 193         }
 194         if (transitionAdd) {
 195             // Transition should be added to the scene
 196             ItemInfo transitionInfo;
 197             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, QString());
 198
 199             for (int k = 0; k < transitionparams.count(); k++) {
 200                 p = transitionparams.item(k).toElement();
 201                 if (!p.isNull()) {
 202                     QString paramName = p.attribute("name");
 203                     QString paramValue = p.text();
 204
 205                     QDomNodeList params = base.elementsByTagName("parameter");
 206                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 207                             QDomElement e = params.item(i).toElement();
 208                             if (!e.isNull() && e.attribute("tag") == paramName) {
 209                                 if (e.attribute("type") == "double") {
 210                                     QString factor = e.attribute("factor", "1");
 211                                     if (factor != "1") {
 212                                         double val = paramValue.toDouble() * factor.toDouble();
 213                                         paramValue = QString::number(val);
 214                                     }
 215                                 }
 216                                 e.setAttribute("value", paramValue);
 217                                 break;
 218                             }
 219                         }
 220                 }
 221             }
 222
 223             /*QDomDocument doc;
 224             doc.appendChild(doc.importNode(base, true));
 225             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 226
 227             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 228             transitionInfo.endPos = GenTime(e.attribute("out").toInt(), m_doc->fps());
 229             transitionInfo.track = b_track;
 230             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 231             Transition *tr = new Transition(transitionInfo, a_track, m_scale, m_doc->fps(), base);
 232             m_scene->addItem(tr);
 233         }
 234     }
 235
 236     // Add guides
 237     QDomNodeList guides = doc.elementsByTagName("guide");
 238     for (int i = 0; i < guides.count(); i++) {
 239         e = guides.item(i).toElement();
 240         const QString comment = e.attribute("comment");
 241         const GenTime pos = GenTime(e.attribute("time").toDouble());
 242         m_trackview->addGuide(pos, comment);
 243     }
 244
 245     m_trackview->setDuration(duration);
 246     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 247     slotRebuildTrackHeaders();
 248     //m_trackview->setCursorPos(cursorPos);
 249     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 250 }
 251
 252 void TrackView::slotDeleteClip(int clipId) {
 253     m_trackview->deleteClip(clipId);
 254 }
 255
 256 void TrackView::setCursorPos(int pos) {
 257     m_trackview->setCursorPos(pos);
 258 }
 259
 260 void TrackView::moveCursorPos(int pos) {
 261     m_trackview->setCursorPos(pos, false);
 262 }
 263
 264 void TrackView::slotChangeZoom(int factor) {
 265
 266     m_ruler->setPixelPerMark(factor);
 267     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
 268     m_currentZoom = factor;
 269     m_trackview->setScale(m_scale);
 270 }
 271
 272 int TrackView::fitZoom() const {
 273     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 274     int i;
 275     for (i = 0; i < 13; i++)
 276         if (m_ruler->comboScale[i] > zoom) break;
 277     return i;
 278 }
 279
 280 const double TrackView::zoomFactor() const {
 281     return m_scale;
 282 }
 283
 284 const int TrackView::mapLocalToValue(int x) const {
 285     return (int)(x * zoomFactor());
 286 }
 287
 288 KdenliveDoc *TrackView::document() {
 289     return m_doc;
 290 }
 291
 292 void TrackView::refresh() {
 293     m_trackview->viewport()->update();
 294 }
 295
 296 void TrackView::slotRebuildTrackHeaders() {
 297     QList <TrackInfo> list = m_trackview->tracksList();
 298     QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
 299     for (int i = 0; i < widgets.count(); i++)
 300         delete widgets.at(i);
 301     int max = list.count();
 302     for (int i = 0; i < max; i++) {
 303         HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
 304         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 305         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 306         m_headersLayout->addWidget(header);
 307     }
 308     view->headers_container->adjustSize();
 309 }
 310
 311 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool videotrack) {
 312     TrackInfo info;
 313
 314     if (videotrack) {
 315         info.type = VIDEOTRACK;
 316         info.isMute = false;
 317         info.isBlind = false;
 318     } else {
 319         info.type = AUDIOTRACK;
 320         info.isMute = false;
 321         info.isBlind = false;
 322     }
 323
 324     m_trackview->addTrack(info);
 325
 326     int trackTop = KdenliveSettings::trackheight() * ix;
 327     // parse track
 328     int position = 0;
 329     for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
 330         QDomElement elem = n.toElement();
 331         if (elem.tagName() == "blank") {
 332             position += elem.attribute("length").toInt();
 333         } else if (elem.tagName() == "entry") {
 334             m_doc->loadingProgressed();
 335             qApp->processEvents();
 336             // Found a clip
 337             int in = elem.attribute("in").toInt();
 338             int id = elem.attribute("producer").toInt();
 339             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 340             if (clip != NULL) {
 341                 int out = elem.attribute("out").toInt();
 342
 343                 ItemInfo clipinfo;
 344                 clipinfo.startPos = GenTime(position, m_doc->fps());
 345                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in, m_doc->fps());
 346                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 347                 clipinfo.track = ix;
 348                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 349                 ClipItem *item = new ClipItem(clip, clipinfo, m_scale, m_doc->fps());
 350                 m_scene->addItem(item);
 351                 clip->addReference();
 352                 position += (out - in);
 353
 354                 // parse clip effects
 355                 for (QDomNode n2 = elem.firstChild(); !n2.isNull(); n2 = n2.nextSibling()) {
 356                     QDomElement effect = n2.toElement();
 357                     if (effect.tagName() == "filter") {
 358                         kDebug() << " * * * * * * * * * * ** CLIP EFF FND  * * * * * * * * * * *";
 359                         // add effect to clip
 360                         QString effecttag;
 361                         QString effectid;
 362                         QString effectindex;
 363                         // Get effect tag & index
 364                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 365                             // parse effect parameters
 366                             QDomElement effectparam = n3.toElement();
 367                             if (effectparam.attribute("name") == "tag") {
 368                                 effecttag = effectparam.text();
 369                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 370                                 effectid = effectparam.text();
 371                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 372                                 effectindex = effectparam.text();
 373                             }
 374                         }
 375
 376                         // get effect standard tags
 377                         QDomElement clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 378                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 379                         if (clipeffect.isNull()) clipeffect = MainWindow::customEffects.getEffectByTag(effecttag, effectid);
 380                         clipeffect.setAttribute("kdenlive_ix", effectindex);
 381                         QDomNodeList clipeffectparams = clipeffect.childNodes();
 382
 383                         if (MainWindow::videoEffects.hasKeyFrames(clipeffect)) {
 384                             kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 385                             // effect is key-framable, read all effects to retrieve keyframes
 386                             double factor;
 387                             QString starttag;
 388                             QString endtag;
 389                             QDomNodeList params = clipeffect.elementsByTagName("parameter");
 390                             for (int i = 0; i < params.count(); i++) {
 391                                 QDomElement e = params.item(i).toElement();
 392                                 if (e.attribute("type") == "keyframe") {
 393                                     starttag = e.attribute("starttag", "start");
 394                                     endtag = e.attribute("endtag", "end");
 395                                     factor = e.attribute("factor", "1").toDouble();
 396                                     break;
 397                                 }
 398                             }
 399                             QString keyframes;
 400                             int effectin = effect.attribute("in").toInt();
 401                             int effectout = effect.attribute("out").toInt();
 402                             double startvalue;
 403                             double endvalue;
 404                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 405                                 // parse effect parameters
 406                                 QDomElement effectparam = n3.toElement();
 407                                 if (effectparam.attribute("name") == starttag)
 408                                     startvalue = effectparam.text().toDouble() * factor;
 409                                 if (effectparam.attribute("name") == endtag)
 410                                     endvalue = effectparam.text().toDouble() * factor;
 411                             }
 412                             // add first keyframe
 413                             keyframes.append(QString::number(in + effectin) + ":" + QString::number(startvalue) + ";" + QString::number(in + effectout) + ":" + QString::number(endvalue) + ";");
 414                             QDomNode lastParsedEffect;
 415                             n2 = n2.nextSibling();
 416                             bool continueParsing = true;
 417                             for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 418                                 // parse all effects
 419                                 QDomElement kfreffect = n2.toElement();
 420                                 int effectout = kfreffect.attribute("out").toInt();
 421
 422                                 for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 423                                     // parse effect parameters
 424                                     QDomElement subeffectparam = n4.toElement();
 425                                     if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 426                                         //We are not in the same effect, stop parsing
 427                                         lastParsedEffect = n2.previousSibling();
 428                                         continueParsing = false;
 429                                         break;
 430                                     } else if (subeffectparam.attribute("name") == endtag) {
 431                                         endvalue = subeffectparam.text().toDouble() * factor;
 432                                         break;
 433                                     }
 434                                 }
 435                                 if (continueParsing) keyframes.append(QString::number(in + effectout) + ":" + QString::number(endvalue) + ";");
 436                             }
 437
 438                             params = clipeffect.elementsByTagName("parameter");
 439                             for (int i = 0; i < params.count(); i++) {
 440                                 QDomElement e = params.item(i).toElement();
 441                                 if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 442                             }
 443                             if (!continueParsing) {
 444                                 n2 = lastParsedEffect;
 445                             }
 446                         }
 447
 448                         // adjust effect parameters
 449                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 450                             // parse effect parameters
 451                             QDomElement effectparam = n3.toElement();
 452                             QString paramname = effectparam.attribute("name");
 453                             QString paramvalue = effectparam.text();
 454
 455                             // try to find this parameter in the effect xml
 456                             QDomElement e;
 457                             for (int k = 0; k < clipeffectparams.count(); k++) {
 458                                 e = clipeffectparams.item(k).toElement();
 459                                 if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 460                                     e.setAttribute("value", paramvalue);
 461                                     break;
 462                                 }
 463                             }
 464                         }
 465                         item->addEffect(clipeffect, false);
 466                         item->effectsCounter();
 467                     }
 468                 }
 469
 470             } else kWarning() << "CANNOT INSERT CLIP " << id;
 471             //m_clipList.append(clip);
 472         }
 473     }
 474     //m_trackDuration = position;
 475
 476
 477     //documentTracks.insert(ix, track);
 478     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 479     return position;
 480     //track->show();
 481 }
 482
 483 QGraphicsScene *TrackView::projectScene() {
 484     return m_scene;
 485 }
 486
 487 CustomTrackView *TrackView::projectView() {
 488     return m_trackview;
 489 }
 490
 491 void TrackView::setEditMode(const QString & editMode) {
 492     m_editMode = editMode;
 493 }
 494
 495 const QString & TrackView::editMode() const {
 496     return m_editMode;
 497 }
 498
 499
 500
 501 #include "trackview.moc"