1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
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. *
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. *
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 ***************************************************************************/
21 #include <QMouseEvent>
22 #include <QStylePainter>
30 Monitor::Monitor(QString name, MonitorManager *manager, QWidget *parent)
31 : QWidget(parent), render(NULL), m_monitorManager(manager), m_name(name), m_isActive(false) {
34 m_ruler = new SmallRuler();
35 QVBoxLayout *layout = new QVBoxLayout;
36 layout->addWidget(m_ruler);
37 ui.ruler_frame->setLayout(layout);
38 //m_ruler->setPixelPerMark(3);
39 m_playIcon = KIcon("media-playback-start");
40 m_pauseIcon = KIcon("media-playback-pause");
41 ui.button_play->setIcon(m_playIcon);
42 ui.button_rew1->setIcon(KIcon("media-skip-backward"));
43 ui.button_rew->setIcon(KIcon("media-seek-backward"));
44 ui.button_fwd1->setIcon(KIcon("media-skip-forward"));
45 ui.button_fwd->setIcon(KIcon("media-seek-forward"));
46 connect(m_ruler, SIGNAL(seekRenderer(int)), this, SLOT(slotSeek(int)));
47 connect(ui.button_rew, SIGNAL(clicked()), this, SLOT(slotRewind()));
48 connect(ui.button_rew1, SIGNAL(clicked()), this, SLOT(slotRewindOneFrame()));
49 connect(ui.button_fwd, SIGNAL(clicked()), this, SLOT(slotForward()));
50 connect(ui.button_fwd1, SIGNAL(clicked()), this, SLOT(slotForwardOneFrame()));
51 connect(ui.button_play, SIGNAL(clicked()), this, SLOT(slotPlay()));
52 //if ( render ) return;
53 render = new Render(m_name, (int) ui.video_frame->winId(), -1, this);
54 connect(render, SIGNAL(durationChanged(int)), this, SLOT(adjustRulerSize(int)));
55 connect(render, SIGNAL(rendererPosition(int)), this, SLOT(seekCursor(int)));
56 connect(render, SIGNAL(rendererStopped(int)), this, SLOT(rendererStopped(int)));
58 connect(render, SIGNAL(rendererPosition(int)), this, SIGNAL(renderPosition(int)));
59 connect(render, SIGNAL(durationChanged(int)), this, SIGNAL(durationChanged(int)));
61 //render->createVideoXWindow(ui.video_frame->winId(), -1);
62 int width = m_ruler->width();
63 m_ruler->setLength(width);
64 m_ruler->setMaximum(width);
67 kDebug() << "/////// BUILDING MONITOR, ID: " << ui.video_frame->winId();
71 void Monitor::mousePressEvent(QMouseEvent * event) {
76 void Monitor::wheelEvent(QWheelEvent * event) {
77 if (event->delta() > 0) slotForwardOneFrame();
78 else slotRewindOneFrame();
81 void Monitor::activateMonitor() {
82 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
85 void Monitor::slotSeek(int pos) {
86 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
87 if (render == NULL) return;
88 int realPos = ((double) pos) / m_scale;
89 render->seekToFrame(realPos);
91 emit renderPosition(m_position);
92 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
95 void Monitor::slotRewind() {
96 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
97 double speed = render->playSpeed();
98 if (speed >= 0) render->play(-2);
99 else render->play(speed * 2);
100 ui.button_play->setChecked(true);
101 ui.button_play->setIcon(m_pauseIcon);
104 void Monitor::slotForward() {
105 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
106 double speed = render->playSpeed();
107 if (speed <= 1) render->play(2);
108 else render->play(speed * 2);
109 ui.button_play->setChecked(true);
110 ui.button_play->setIcon(m_pauseIcon);
113 void Monitor::slotRewindOneFrame() {
114 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
116 if (m_position < 1) return;
118 render->seekToFrame(m_position);
119 emit renderPosition(m_position);
120 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
123 void Monitor::slotForwardOneFrame() {
124 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
126 if (m_position >= m_length) return;
128 render->seekToFrame(m_position);
129 emit renderPosition(m_position);
130 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
133 void Monitor::seekCursor(int pos) {
134 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
135 int rulerPos = (int)(pos * m_scale);
137 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(pos));
138 kDebug() << "seek: " << pos << ", scale: " << m_scale;
139 m_ruler->slotNewValue(rulerPos);
142 void Monitor::rendererStopped(int pos) {
143 int rulerPos = (int)(pos * m_scale);
144 m_ruler->slotNewValue(rulerPos);
146 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(pos));
147 ui.button_play->setChecked(false);
148 ui.button_play->setIcon(m_playIcon);
151 void Monitor::initMonitor() {
152 kDebug() << "/////// INITING MONITOR, ID: " << ui.video_frame->winId();
157 void Monitor::resizeEvent(QResizeEvent * event) {
159 if (render) render->askForRefresh();
162 void Monitor::adjustRulerSize(int length) {
163 int width = m_ruler->width();
164 m_ruler->setLength(width);
165 if (length > 0) m_length = length;
166 m_scale = (double) width / m_length;
167 if (m_scale == 0) m_scale = 1;
168 kDebug() << "RULER WIDT: " << width << ", RENDER LENGT: " << m_length << ", SCALE: " << m_scale;
169 m_ruler->setPixelPerMark(m_scale);
170 m_ruler->setMaximum(width);
171 //m_ruler->setLength(length);
174 void Monitor::stop() {
176 if (render) render->stop();
179 void Monitor::start() {
181 if (render) render->start();
184 void Monitor::refreshMonitor(bool visible) {
185 if (visible && render) render->askForRefresh();
188 void Monitor::slotPlay() {
189 if (render == NULL) return;
190 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
191 render->switchPlay();
192 ui.button_play->setChecked(true);
193 ui.button_play->setIcon(m_pauseIcon);
196 void Monitor::slotSetXml(const QDomElement &e) {
197 if (render == NULL) return;
198 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
200 QDomElement westley = doc.createElement("westley");
201 doc.appendChild(westley);
202 westley.appendChild(e);
203 render->setSceneList(doc, 0);
204 m_ruler->slotNewValue(0);
205 ui.monitor_time->setText("00:00:00:00");
210 void Monitor::slotOpenFile(const QString &file) {
211 if (render == NULL) return;
212 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
214 QDomElement westley = doc.createElement("westley");
215 doc.appendChild(westley);
216 QDomElement prod = doc.createElement("producer");
217 westley.appendChild(prod);
218 prod.setAttribute("mlt_service", "avformat");
219 prod.setAttribute("resource", file);
220 render->setSceneList(doc, 0);
225 #include "monitor.moc"