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)
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()));
56 void Monitor::mousePressEvent ( QMouseEvent * event )
62 void Monitor::wheelEvent ( QWheelEvent * event )
64 if (event->delta() > 0) slotForwardOneFrame();
65 else slotRewindOneFrame();
68 void Monitor::slotSeek(int pos)
70 if ( render == NULL ) return;
71 int realPos = ((double) pos) / m_scale;
72 render->seekToFrame(realPos);
74 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
77 void Monitor::slotRewind()
79 double speed = render->playSpeed();
80 if ( speed >= 0 ) render->play(-2);
81 else render->play(speed * 2);
82 ui.button_play->setChecked(true);
83 ui.button_play->setIcon(m_pauseIcon);
86 void Monitor::slotForward()
88 double speed = render->playSpeed();
89 if ( speed <= 1 ) render->play(2);
90 else render->play(speed * 2);
91 ui.button_play->setChecked(true);
92 ui.button_play->setIcon(m_pauseIcon);
95 void Monitor::slotRewindOneFrame()
98 if (m_position < 1) return;
100 render->seekToFrame(m_position);
101 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
104 void Monitor::slotForwardOneFrame()
107 if (m_position >= m_length) return;
109 render->seekToFrame(m_position);
110 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
113 void Monitor::seekCursor(int pos)
115 int rulerPos = (int) (pos * m_scale);
117 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(pos));
118 //kDebug()<<"seek: "<<pos<<", scale: "<<m_scale<<
119 m_ruler->slotNewValue(rulerPos);
122 void Monitor::rendererStopped(int pos)
124 int rulerPos = (int) (pos * m_scale);
125 m_ruler->slotNewValue(rulerPos);
126 ui.button_play->setChecked(false);
127 ui.button_play->setIcon(m_playIcon);
130 void Monitor::initMonitor()
132 if ( render ) return;
133 render = new Render(m_name, this);
134 render->createVideoXWindow(ui.video_frame->winId(), -1);
135 connect(render, SIGNAL(playListDuration(int)), this, SLOT(adjustRulerSize(int)));
136 connect(render, SIGNAL(rendererPosition(int)), this, SLOT(seekCursor(int)));
137 connect(render, SIGNAL(rendererStopped(int)), this, SLOT(rendererStopped(int)));
138 int width = m_ruler->width();
139 m_ruler->setLength(width);
140 m_ruler->setMaximum(width);
145 void Monitor::resizeEvent ( QResizeEvent * event )
148 if (render) render->askForRefresh();
151 void Monitor::adjustRulerSize(int length)
153 int width = m_ruler->width();
154 m_ruler->setLength(width);
155 if (length > 0) m_length = length;
156 m_scale = (double) width / m_length;
157 if (m_scale == 0) m_scale = 1;
158 kDebug()<<"RULER WIDT: "<<width<<", RENDER LENGT: "<<m_length<<", SCALE: "<<m_scale;
159 m_ruler->setPixelPerMark(m_scale);
160 m_ruler->setMaximum(width);
161 //m_ruler->setLength(length);
166 if (render) render->stop();
169 void Monitor::start()
171 if (render) render->start();
174 void Monitor::refreshMonitor(bool visible)
176 if (visible && render) render->askForRefresh();
179 void Monitor::slotOpen()
181 if ( render == NULL ) return;
182 render->mltInsertClip(2, GenTime(1, 25), QString("<westley><producer mlt_service=\"colour\" colour=\"red\" in=\"1\" out=\"30\" /></westley>"));
183 render->mltInsertClip(2, GenTime(0, 25), QString("<westley><producer mlt_service=\"avformat\" resource=\"/home/one/.vids/clip3e.mpg\" in=\"1\" out=\"300\" /></westley>"));
186 void Monitor::slotPlay()
188 if ( render == NULL ) return;
189 m_monitorManager->activateMonitor(m_name);
190 render->switchPlay();
191 ui.button_play->setChecked(true);
192 ui.button_play->setIcon(m_pauseIcon);
195 void Monitor::slotSetXml(const QDomElement &e)
197 if ( render == NULL ) return;
198 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)
212 if ( render == NULL ) return;
213 m_monitorManager->activateMonitor(m_name);
215 QDomElement westley = doc.createElement("westley");
216 doc.appendChild(westley);
217 QDomElement prod = doc.createElement("producer");
218 westley.appendChild(prod);
219 prod.setAttribute("mlt_service", "avformat");
220 prod.setAttribute("resource", file);
221 render->setSceneList(doc, 0);
226 #include "monitor.moc"