]> git.sesse.net Git - kdenlive/blob - src/trackview.cpp
don't forget to cleanup clipmanager
[kdenlive] / 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");
211                                     if (!factor.isEmpty()) {
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
237     m_trackview->setDuration(duration);
238     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
239     slotRebuildTrackHeaders();
240     //m_trackview->setCursorPos(cursorPos);
241     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
242 }
243
244 void TrackView::slotDeleteClip(int clipId) {
245     m_trackview->deleteClip(clipId);
246 }
247
248 void TrackView::setCursorPos(int pos) {
249     m_trackview->setCursorPos(pos);
250 }
251
252 void TrackView::moveCursorPos(int pos) {
253     m_trackview->setCursorPos(pos, false);
254 }
255
256 void TrackView::slotChangeZoom(int factor) {
257
258     m_ruler->setPixelPerMark(factor);
259     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
260     m_currentZoom = factor;
261     m_trackview->setScale(m_scale);
262 }
263
264 int TrackView::fitZoom() const {
265     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
266     int i;
267     for (i = 0; i < 13; i++)
268         if (m_ruler->comboScale[i] > zoom) break;
269     return i;
270 }
271
272 const double TrackView::zoomFactor() const {
273     return m_scale;
274 }
275
276 const int TrackView::mapLocalToValue(int x) const {
277     return (int)(x * zoomFactor());
278 }
279
280 KdenliveDoc *TrackView::document() {
281     return m_doc;
282 }
283
284 void TrackView::refresh() {
285     m_trackview->viewport()->update();
286 }
287
288 void TrackView::slotRebuildTrackHeaders() {
289     QList <TrackInfo> list = m_trackview->tracksList();
290     QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
291     for (int i = 0; i < widgets.count(); i++)
292         delete widgets.at(i);
293     int max = list.count();
294     for (int i = 0; i < max; i++) {
295         HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
296         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
297         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
298         m_headersLayout->addWidget(header);
299     }
300     view->headers_container->adjustSize();
301 }
302
303 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool videotrack) {
304     TrackInfo info;
305
306     if (videotrack) {
307         info.type = VIDEOTRACK;
308         info.isMute = false;
309         info.isBlind = false;
310     } else {
311         info.type = AUDIOTRACK;
312         info.isMute = false;
313         info.isBlind = false;
314     }
315
316     m_trackview->addTrack(info);
317
318     int trackTop = KdenliveSettings::trackheight() * ix;
319     // parse track
320     int position = 0;
321     for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
322         QDomElement elem = n.toElement();
323         if (elem.tagName() == "blank") {
324             position += elem.attribute("length").toInt();
325         } else if (elem.tagName() == "entry") {
326             m_doc->loadingProgressed();
327             qApp->processEvents();
328             // Found a clip
329             int in = elem.attribute("in").toInt();
330             int id = elem.attribute("producer").toInt();
331             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
332             if (clip != NULL) {
333                 int out = elem.attribute("out").toInt();
334
335                 ItemInfo clipinfo;
336                 clipinfo.startPos = GenTime(position, m_doc->fps());
337                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in, m_doc->fps());
338                 clipinfo.track = ix;
339                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
340                 ClipItem *item = new ClipItem(clip, clipinfo, GenTime(in, m_doc->fps()), m_scale, m_doc->fps());
341                 m_scene->addItem(item);
342                 position += (out - in);
343
344                 // parse clip effects
345                 for (QDomNode n2 = elem.firstChild(); !n2.isNull(); n2 = n2.nextSibling()) {
346                     QDomElement effect = n2.toElement();
347                     if (effect.tagName() == "filter") {
348                         // add effect to clip
349                         QString effecttag;
350                         QString effectid;
351                         QString effectindex;
352                         // Get effect tag & index
353                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
354                             // parse effect parameters
355                             QDomElement effectparam = n3.toElement();
356                             if (effectparam.attribute("name") == "tag") {
357                                 effecttag = effectparam.text();
358                             }
359                             if (effectparam.attribute("name") == "kdenlive_id") {
360                                 effectid = effectparam.text();
361                             }
362                             if (effectparam.attribute("name") == "kdenlive_ix") {
363                                 effectindex = effectparam.text();
364                             }
365                         }
366
367                         // get effect standard tags
368                         QDomElement clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
369                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
370                         if (clipeffect.isNull()) clipeffect = MainWindow::customEffects.getEffectByTag(effecttag, effectid);
371                         clipeffect.setAttribute("kdenlive_ix", effectindex);
372                         QDomNodeList clipeffectparams = clipeffect.childNodes();
373
374                         // adjust effect parameters
375                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
376                             // parse effect parameters
377                             QDomElement effectparam = n3.toElement();
378                             QString paramname = effectparam.attribute("name");
379                             QString paramvalue = effectparam.text();
380
381                             // try to find this parameter in the effect xml
382                             QDomElement e;
383                             for (int k = 0; k < clipeffectparams.count(); k++) {
384                                 e = clipeffectparams.item(k).toElement();
385                                 if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
386                                     e.setAttribute("value", paramvalue);
387                                     break;
388                                 }
389                             }
390                         }
391                         item->addEffect(clipeffect, false);
392                     }
393                 }
394
395             } else kWarning() << "CANNOT INSERT CLIP " << id;
396             //m_clipList.append(clip);
397         }
398     }
399     //m_trackDuration = position;
400
401
402     //documentTracks.insert(ix, track);
403     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
404     return position;
405     //track->show();
406 }
407
408 QGraphicsScene *TrackView::projectScene() {
409     return m_scene;
410 }
411
412 CustomTrackView *TrackView::projectView() {
413     return m_trackview;
414 }
415
416 void TrackView::setEditMode(const QString & editMode) {
417     m_editMode = editMode;
418 }
419
420 const QString & TrackView::editMode() const {
421     return m_editMode;
422 }
423
424 #include "trackview.moc"