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(playListDuration(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)));
58 if (name != "clip") connect(render, SIGNAL(rendererPosition(int)), this, SIGNAL(renderPosition(int)));
59 //render->createVideoXWindow(ui.video_frame->winId(), -1);
60 int width = m_ruler->width();
61 m_ruler->setLength(width);
62 m_ruler->setMaximum(width);
65 kDebug()<<"/////// BUILDING MONITOR, ID: "<<ui.video_frame->winId();
69 void Monitor::mousePressEvent ( QMouseEvent * event )
75 void Monitor::wheelEvent ( QWheelEvent * event )
77 if (event->delta() > 0) slotForwardOneFrame();
78 else slotRewindOneFrame();
81 void Monitor::slotSeek(int pos)
83 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
84 if ( render == NULL ) return;
85 int realPos = ((double) pos) / m_scale;
86 render->seekToFrame(realPos);
88 emit renderPosition(m_position);
89 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
92 void Monitor::slotRewind()
94 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
95 double speed = render->playSpeed();
96 if ( speed >= 0 ) render->play(-2);
97 else render->play(speed * 2);
98 ui.button_play->setChecked(true);
99 ui.button_play->setIcon(m_pauseIcon);
102 void Monitor::slotForward()
104 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
105 double speed = render->playSpeed();
106 if ( speed <= 1 ) render->play(2);
107 else render->play(speed * 2);
108 ui.button_play->setChecked(true);
109 ui.button_play->setIcon(m_pauseIcon);
112 void Monitor::slotRewindOneFrame()
114 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
116 if (m_position < 1) return;
118 render->seekToFrame(m_position);
119 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
122 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 ui.monitor_time->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
132 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)
144 int rulerPos = (int) (pos * m_scale);
145 m_ruler->slotNewValue(rulerPos);
146 ui.button_play->setChecked(false);
147 ui.button_play->setIcon(m_playIcon);
150 void Monitor::initMonitor()
152 kDebug()<<"/////// INITING MONITOR, ID: "<<ui.video_frame->winId();
157 void Monitor::resizeEvent ( QResizeEvent * event )
160 if (render) render->askForRefresh();
163 void Monitor::adjustRulerSize(int length)
165 int width = m_ruler->width();
166 m_ruler->setLength(width);
167 if (length > 0) m_length = length;
168 m_scale = (double) width / m_length;
169 if (m_scale == 0) m_scale = 1;
170 kDebug()<<"RULER WIDT: "<<width<<", RENDER LENGT: "<<m_length<<", SCALE: "<<m_scale;
171 m_ruler->setPixelPerMark(m_scale);
172 m_ruler->setMaximum(width);
173 //m_ruler->setLength(length);
179 if (render) render->stop();
182 void Monitor::start()
185 if (render) render->start();
188 void Monitor::refreshMonitor(bool visible)
190 if (visible && render) render->askForRefresh();
193 void Monitor::slotPlay()
195 if ( render == NULL ) return;
196 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
197 render->switchPlay();
198 ui.button_play->setChecked(true);
199 ui.button_play->setIcon(m_pauseIcon);
202 void Monitor::slotSetXml(const QDomElement &e)
204 if ( render == NULL ) return;
205 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
207 QDomElement westley = doc.createElement("westley");
208 doc.appendChild(westley);
209 westley.appendChild(e);
210 render->setSceneList(doc, 0);
211 m_ruler->slotNewValue(0);
212 ui.monitor_time->setText("00:00:00:00");
217 void Monitor::slotOpenFile(const QString &file)
219 if ( render == NULL ) return;
220 if (!m_isActive) m_monitorManager->activateMonitor(m_name);
222 QDomElement westley = doc.createElement("westley");
223 doc.appendChild(westley);
224 QDomElement prod = doc.createElement("producer");
225 westley.appendChild(prod);
226 prod.setAttribute("mlt_service", "avformat");
227 prod.setAttribute("resource", file);
228 render->setSceneList(doc, 0);
233 #include "monitor.moc"