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)
35 m_ruler = new SmallRuler();
36 QVBoxLayout *layout = new QVBoxLayout;
37 layout->addWidget( m_ruler);
38 ui.ruler_frame->setLayout( layout );
39 //m_ruler->setPixelPerMark(3);
40 m_playIcon = KIcon("media-playback-start");
41 m_pauseIcon = KIcon("media-playback-pause");
42 ui.button_play->setIcon(m_playIcon);
43 ui.button_rew1->setIcon(KIcon("media-skip-backward"));
44 ui.button_rew->setIcon(KIcon("media-seek-backward"));
45 ui.button_fwd1->setIcon(KIcon("media-skip-forward"));
46 ui.button_fwd->setIcon(KIcon("media-seek-forward"));
47 connect(m_ruler, SIGNAL(seekRenderer(int)), this, SLOT(slotSeek(int)));
48 connect(ui.button_rew, SIGNAL(clicked()), this, SLOT(slotRewind()));
49 connect(ui.button_rew1, SIGNAL(clicked()), this, SLOT(slotRewindOneFrame()));
50 connect(ui.button_fwd, SIGNAL(clicked()), this, SLOT(slotForward()));
51 connect(ui.button_fwd1, SIGNAL(clicked()), this, SLOT(slotForwardOneFrame()));
52 connect(ui.button_play, SIGNAL(clicked()), this, SLOT(slotPlay()));
53 //if ( render ) return;
54 render = new Render(m_name, (int) ui.video_frame->winId(), -1, this);
55 connect(render, SIGNAL(durationChanged(int)), this, SLOT(adjustRulerSize(int)));
56 connect(render, SIGNAL(rendererPosition(int)), this, SLOT(seekCursor(int)));
57 connect(render, SIGNAL(rendererStopped(int)), this, SLOT(rendererStopped(int)));
59 connect(render, SIGNAL(rendererPosition(int)), this, SIGNAL(renderPosition(int)));
60 connect(render, SIGNAL(durationChanged(int)), this, SIGNAL(durationChanged(int)));
62 //render->createVideoXWindow(ui.video_frame->winId(), -1);
63 int width = m_ruler->width();
64 m_ruler->setLength(width);
65 m_ruler->setMaximum(width);
68 kDebug()<<"/////// BUILDING MONITOR, ID: "<<ui.video_frame->winId();
72 void Monitor::mousePressEvent ( QMouseEvent * event )
78 void Monitor::wheelEvent ( QWheelEvent * event )
80 if (event->delta() > 0) slotForwardOneFrame();
81 else slotRewindOneFrame();
84 void Monitor::activateMonitor()
86 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
89 void Monitor::slotSeek(int pos)
91 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
92 if ( render == NULL ) return;
93 int realPos = ((double) pos) / m_scale;
94 render->seekToFrame(realPos);
96 emit renderPosition(m_position);
97 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
100 void Monitor::slotRewind()
102 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
103 double speed = render->playSpeed();
104 if ( speed >= 0 ) render->play(-2);
105 else render->play(speed * 2);
106 ui.button_play->setChecked(true);
107 ui.button_play->setIcon(m_pauseIcon);
110 void Monitor::slotForward()
112 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
113 double speed = render->playSpeed();
114 if ( speed <= 1 ) render->play(2);
115 else render->play(speed * 2);
116 ui.button_play->setChecked(true);
117 ui.button_play->setIcon(m_pauseIcon);
120 void Monitor::slotRewindOneFrame()
122 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
124 if (m_position < 1) return;
126 render->seekToFrame(m_position);
127 emit renderPosition(m_position);
128 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
131 void Monitor::slotForwardOneFrame()
133 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
135 if (m_position >= m_length) return;
137 render->seekToFrame(m_position);
138 emit renderPosition(m_position);
139 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
142 void Monitor::seekCursor(int pos)
144 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
145 int rulerPos = (int) (pos * m_scale);
147 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(pos));
148 kDebug()<<"seek: "<<pos<<", scale: "<<m_scale;
149 m_ruler->slotNewValue(rulerPos);
152 void Monitor::rendererStopped(int pos)
154 int rulerPos = (int) (pos * m_scale);
155 m_ruler->slotNewValue(rulerPos);
157 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(pos));
158 ui.button_play->setChecked(false);
159 ui.button_play->setIcon(m_playIcon);
162 void Monitor::initMonitor()
164 kDebug()<<"/////// INITING MONITOR, ID: "<<ui.video_frame->winId();
169 void Monitor::resizeEvent ( QResizeEvent * event )
172 if (render) render->askForRefresh();
175 void Monitor::adjustRulerSize(int length)
177 int width = m_ruler->width();
178 m_ruler->setLength(width);
179 if (length > 0) m_length = length;
180 m_scale = (double) width / m_length;
181 if (m_scale == 0) m_scale = 1;
182 kDebug()<<"RULER WIDT: "<<width<<", RENDER LENGT: "<<m_length<<", SCALE: "<<m_scale;
183 m_ruler->setPixelPerMark(m_scale);
184 m_ruler->setMaximum(width);
185 //m_ruler->setLength(length);
191 if (render) render->stop();
194 void Monitor::start()
197 if (render) render->start();
200 void Monitor::refreshMonitor(bool visible)
202 if (visible && render) render->askForRefresh();
205 void Monitor::slotPlay()
207 if ( render == NULL ) return;
208 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
209 render->switchPlay();
210 ui.button_play->setChecked(true);
211 ui.button_play->setIcon(m_pauseIcon);
214 void Monitor::slotSetXml(const QDomElement &e)
216 if ( render == NULL ) return;
217 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
219 QDomElement westley = doc.createElement("westley");
220 doc.appendChild(westley);
221 westley.appendChild(e);
222 render->setSceneList(doc, 0);
223 m_ruler->slotNewValue(0);
224 ui.monitor_time->setText("00:00:00:00");
229 void Monitor::slotOpenFile(const QString &file)
231 if ( render == NULL ) return;
232 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
234 QDomElement westley = doc.createElement("westley");
235 doc.appendChild(westley);
236 QDomElement prod = doc.createElement("producer");
237 westley.appendChild(prod);
238 prod.setAttribute("mlt_service", "avformat");
239 prod.setAttribute("resource", file);
240 render->setSceneList(doc, 0);
245 #include "monitor.moc"