1 /***************************************************************************
2 * Copyright (C) 2011 by Till Theato (root@ttill.de) *
3 * This file is part of Kdenlive (www.kdenlive.org). *
5 * Kdenlive is free software: you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation, either version 2 of the License, or *
8 * (at your option) any later version. *
10 * Kdenlive is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with Kdenlive. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
19 #include "rotowidget.h"
22 #include "monitorscene.h"
23 #include "monitoreditwidget.h"
24 #include "onmonitoritems/rotoscoping/bpointitem.h"
25 #include "onmonitoritems/rotoscoping/splineitem.h"
26 #include "simplekeyframes/simplekeyframewidget.h"
27 #include "kdenlivesettings.h"
29 #include <mlt++/Mlt.h>
33 #include <qjson/parser.h>
34 #include <qjson/serializer.h>
36 #include <QVBoxLayout>
38 /** @brief Listener for "tracking-finished" event in MLT rotoscoping filter. */
39 void tracking_finished(mlt_service *owner, RotoWidget *self, char *data)
44 self->setSpline(QString(data));
47 RotoWidget::RotoWidget(QString data, Monitor *monitor, ItemInfo info, Timecode t, QWidget* parent) :
51 m_in(info.cropStart.frames(KdenliveSettings::project_fps())),
52 m_out((info.cropStart + info.cropDuration).frames(KdenliveSettings::project_fps()) - 1),
55 QVBoxLayout *l = new QVBoxLayout(this);
56 m_keyframeWidget = new SimpleKeyframeWidget(t, m_out - m_in, this);
57 l->addWidget(m_keyframeWidget);
59 MonitorEditWidget *edit = monitor->getEffectEdit();
60 edit->showVisibilityButton(true);
61 m_scene = edit->getScene();
63 m_item = new SplineItem(QList <BPoint>(), NULL, m_scene);
65 connect(m_item, SIGNAL(changed(bool)), this, SLOT(slotUpdateData(bool)));
66 connect(edit, SIGNAL(showEdit(bool)), this, SLOT(slotShowScene(bool)));
67 connect(m_monitor, SIGNAL(renderPosition(int)), this, SLOT(slotCheckMonitorPosition(int)));
68 connect(m_keyframeWidget, SIGNAL(positionChanged(int)), this, SLOT(slotPositionChanged(int)));
69 connect(m_keyframeWidget, SIGNAL(keyframeAdded(int)), this, SLOT(slotAddKeyframe(int)));
70 connect(m_keyframeWidget, SIGNAL(keyframeRemoved(int)), this, SLOT(slotRemoveKeyframe(int)));
71 connect(m_keyframeWidget, SIGNAL(keyframeMoved(int,int)), this, SLOT(slotMoveKeyframe(int,int)));
72 connect(m_scene, SIGNAL(addKeyframe()), this, SLOT(slotAddKeyframe()));
74 setSpline(data, false);
75 setupTrackingListen(info);
78 RotoWidget::~RotoWidget()
81 mlt_events_disconnect(m_filter->get_properties(), this);
83 delete m_keyframeWidget;
85 m_scene->removeItem(m_item);
89 MonitorEditWidget *edit = m_monitor->getEffectEdit();
90 edit->showVisibilityButton(false);
91 edit->removeCustomControls();
92 m_monitor->slotEffectScene(false);
96 void RotoWidget::slotCheckMonitorPosition(int renderPos)
99 emit checkMonitorPosition(renderPos);
102 void RotoWidget::slotSyncPosition(int relTimelinePos)
104 relTimelinePos = qBound(0, relTimelinePos, m_out);
105 m_keyframeWidget->slotSetPosition(relTimelinePos, false);
106 slotPositionChanged(relTimelinePos, false);
109 void RotoWidget::slotShowScene(bool show)
113 m_monitor->slotEffectScene(false);
115 slotCheckMonitorPosition(m_monitor->render->seekFramePosition());
118 void RotoWidget::slotUpdateData(int pos, bool editing)
122 int width = m_monitor->render->frameRenderWidth();
123 int height = m_monitor->render->renderHeight();
126 * use the position of the on-monitor points to create a storable list
128 QList <BPoint> spline = m_item->getPoints();
129 QList <QVariant> vlist;
130 foreach (const BPoint &point, spline) {
132 for (int i = 0; i < 3; ++i)
133 pl << QVariant(QList <QVariant>() << QVariant(point[i].x() / width) << QVariant(point[i].y() / height));
134 vlist << QVariant(pl);
137 if (m_data.canConvert(QVariant::Map)) {
138 QMap <QString, QVariant> map = m_data.toMap();
139 // replace or insert at position
140 // we have to fill with 0s to maintain the correct order
141 map[QString::number((pos < 0 ? m_keyframeWidget->getPosition() : pos) + m_in).rightJustified(log10((double)m_out) + 1, '0')] = QVariant(vlist);
142 m_data = QVariant(map);
144 m_data = QVariant(vlist);
150 void RotoWidget::slotUpdateData(bool editing)
152 slotUpdateData(-1, editing);
155 QString RotoWidget::getSpline()
157 QJson::Serializer serializer;
158 return QString(serializer.serialize(m_data));
161 void RotoWidget::slotPositionChanged(int pos, bool seek)
163 // do not update while the spline is being edited (points are being dragged)
164 if (m_item->editing())
167 m_keyframeWidget->slotSetPosition(pos, false);
173 if (m_data.canConvert(QVariant::Map)) {
174 QMap <QString, QVariant> map = m_data.toMap();
175 QMap <QString, QVariant>::const_iterator i = map.constBegin();
176 int keyframe1, keyframe2;
177 keyframe1 = keyframe2 = i.key().toInt();
178 // find keyframes next to pos
179 while (i.key().toInt() < pos && ++i != map.constEnd()) {
180 keyframe1 = keyframe2;
181 keyframe2 = i.key().toInt();
184 if (keyframe1 != keyframe2 && pos < keyframe2) {
186 * in between two keyframes
189 QList <BPoint> p1 = getPoints(keyframe1);
190 QList <BPoint> p2 = getPoints(keyframe2);
191 qreal relPos = (pos - keyframe1) / (qreal)(keyframe2 - keyframe1 + 1);
193 // additionaly points are ignored (same behavior as MLT filter)
194 int count = qMin(p1.count(), p2.count());
195 for (int i = 0; i < count; ++i) {
197 for (int j = 0; j < 3; ++j) {
198 if (p1.at(i)[j] != p2.at(i)[j])
199 bp[j] = QLineF(p1.at(i)[j], p2.at(i)[j]).pointAt(relPos);
206 m_item->setPoints(p);
207 m_item->setEnabled(false);
208 m_scene->setEnabled(false);
210 p = getPoints(keyframe2);
211 // only update if necessary to preserve the current point selection
212 if (p != m_item->getPoints())
213 m_item->setPoints(p);
214 m_item->setEnabled(pos == keyframe2);
215 m_scene->setEnabled(pos == keyframe2);
219 // only update if necessary to preserve the current point selection
220 if (p != m_item->getPoints())
221 m_item->setPoints(p);
222 m_item->setEnabled(true);
223 m_scene->setEnabled(true);
227 emit seekToPos(pos - m_in);
230 QList <BPoint> RotoWidget::getPoints(int keyframe)
232 int width = m_monitor->render->frameRenderWidth();
233 int height = m_monitor->render->renderHeight();
234 QList <BPoint> points;
235 QList <QVariant> data;
237 data = m_data.toMap()[QString::number(keyframe).rightJustified(log10((double)m_out) + 1, '0')].toList();
239 data = m_data.toList();
241 // skip tracking flag
242 if (data.count() && data.at(0).canConvert(QVariant::String))
245 foreach (const QVariant &bpoint, data) {
246 QList <QVariant> l = bpoint.toList();
248 for (int i = 0; i < 3; ++i)
249 p[i] = QPointF(l.at(i).toList().at(0).toDouble() * width, l.at(i).toList().at(1).toDouble() * height);
255 void RotoWidget::slotAddKeyframe(int pos)
257 if (!m_data.canConvert(QVariant::Map)) {
258 QVariant data = m_data;
259 QMap<QString, QVariant> map;
260 map[QString::number(m_in).rightJustified(log10((double)m_out) + 1, '0')] = data;
261 m_data = QVariant(map);
265 m_keyframeWidget->addKeyframe();
268 m_item->setEnabled(true);
269 m_scene->setEnabled(true);
272 void RotoWidget::slotRemoveKeyframe(int pos)
275 pos = m_keyframeWidget->getPosition();
277 if (!m_data.canConvert(QVariant::Map) || m_data.toMap().count() < 2)
280 QMap<QString, QVariant> map = m_data.toMap();
281 map.remove(QString::number(pos + m_in).rightJustified(log10((double)m_out) + 1, '0'));
282 m_data = QVariant(map);
284 if (m_data.toMap().count() == 1) {
285 // only one keyframe -> switch from map to list again
286 m_data = m_data.toMap().begin().value();
289 slotPositionChanged(m_keyframeWidget->getPosition(), false);
293 void RotoWidget::slotMoveKeyframe(int oldPos, int newPos)
295 if (m_data.canConvert(QVariant::Map)) {
296 QMap<QString, QVariant> map = m_data.toMap();
297 map[QString::number(newPos + m_in).rightJustified(log10((double)m_out) + 1, '0')] = map.take(QString::number(oldPos + m_in).rightJustified(log10((double)m_out) + 1, '0'));
298 m_data = QVariant(map);
301 slotPositionChanged(m_keyframeWidget->getPosition(), false);
305 void RotoWidget::updateTimecodeFormat()
307 m_keyframeWidget->updateTimecodeFormat();
310 void RotoWidget::keyframeTimelineFullUpdate()
312 if (m_data.canConvert(QVariant::Map)) {
313 QList <int> keyframes;
314 QMap <QString, QVariant> map = m_data.toMap();
315 QMap <QString, QVariant>::const_iterator i = map.constBegin();
316 while (i != map.constEnd()) {
317 keyframes.append(i.key().toInt() - m_in);
320 m_keyframeWidget->setKeyframes(keyframes);
322 /*for (int j = 0; j < keyframes.count(); ++j) {
323 // key might already be justified
324 if (map.contains(QString::number(keyframes.at(j) + m_in))) {
325 QVariant value = map.take(QString::number(keyframes.at(j) + m_in));
326 map[QString::number(keyframes.at(j) + m_in).rightJustified(log10((double)m_out) + 1, '0')] = value;
329 m_data = QVariant(map);*/
331 // static (only one keyframe)
332 m_keyframeWidget->setKeyframes(QList <int>() << 0);
336 void RotoWidget::setupTrackingListen(ItemInfo info)
338 if (info.startPos < GenTime()) {
339 // TODO: track effects
343 Mlt::Service service(m_monitor->render->getProducer()->parent().get_service());
344 Mlt::Tractor tractor(service);
345 Mlt::Producer trackProducer(tractor.track(tractor.count() - info.track - 1));
346 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
348 Mlt::Producer *clip = trackPlaylist.get_clip_at((int)info.startPos.frames(KdenliveSettings::project_fps()));
354 Mlt::Filter *filter = clip->filter(0);
356 if (strcmp(filter->get("kdenlive_id"), "rotoscoping") == 0) {
358 filter->listen("tracking-finished", this, (mlt_listener)tracking_finished);
361 filter = clip->filter(++i);
367 void RotoWidget::setSpline(QString spline, bool notify)
369 QJson::Parser parser;
371 m_data = parser.parse(spline.simplified().toUtf8(), &ok);
375 keyframeTimelineFullUpdate();
376 slotPositionChanged(m_keyframeWidget->getPosition(), false);
382 static QVariant interpolate(int position, int in, int out, QVariant *splineIn, QVariant *splineOut)
384 qreal relPos = (position - in) / (qreal)(out - in + 1);
385 QList<QVariant> keyframe1 = splineIn->toList();
386 QList<QVariant> keyframe2 = splineOut->toList();
387 QList<QVariant> keyframe;
388 if (keyframe1.count() && keyframe1.at(0).canConvert(QVariant::String))
389 keyframe1.removeFirst();
390 if (keyframe2.count() && keyframe2.at(0).canConvert(QVariant::String))
391 keyframe2.removeFirst();
392 int max = qMin(keyframe1.count(), keyframe2.count());
394 for (int i = 0; i < max; ++i) {
395 QList<QVariant> p1 = keyframe1.at(i).toList();
396 QList<QVariant> p2 = keyframe2.at(i).toList();
398 for (int j = 0; j < 3; ++j) {
399 QPointF middle = QLineF(QPointF(p1.at(j).toList().at(0).toDouble(), p1.at(j).toList().at(1).toDouble()),
400 QPointF(p2.at(j).toList().at(0).toDouble(), p2.at(j).toList().at(1).toDouble())).pointAt(relPos);
401 p.append(QVariant(QList<QVariant>() << QVariant(middle.x()) << QVariant(middle.y())));
403 keyframe.append(QVariant(p));
405 return QVariant(keyframe);
408 bool adjustRotoDuration(QString* data, int in, int out)
410 QJson::Parser parser;
412 QVariant splines = parser.parse(data->toUtf8(), &ok);
418 if (!splines.canConvert(QVariant::Map))
421 QMap<QString, QVariant> newMap;
422 QMap<QString, QVariant> map = splines.toMap();
423 QMap<QString, QVariant>::iterator i = map.end();
425 QVariant last = QVariant();
428 * Take care of resize from start
430 bool startFound = false;
431 while (i-- != map.begin()) {
432 if (!startFound && i.key().toInt() < in) {
435 newMap[QString::number(in).rightJustified(log10((double)out) + 1, '0')] = i.value();
437 newMap[QString::number(in).rightJustified(log10((double)out) + 1, '0')] = interpolate(in, i.key().toInt(), lastPos, &i.value(), &last);
439 lastPos = i.key().toInt();
446 * Take care of resize from end
450 bool endFound = false;
451 while (i != map.end()) {
452 if (!endFound && i.key().toInt() > out) {
455 newMap[QString::number(out)] = i.value();
457 newMap[QString::number(out)] = interpolate(out, lastPos, i.key().toInt(), &last, &i.value());
459 lastPos = i.key().toInt();
468 * Update key lengths to prevent sorting issues
471 while (i != map.end()) {
472 newMap[i.key().rightJustified(log10((double)out) + 1, '0', true)] = i.value();
476 QJson::Serializer serializer;
477 *data = QString(serializer.serialize(QVariant(newMap)));
479 if (startFound || endFound)
484 #include "rotowidget.moc"