1/***************************************************************************
2 titlewidget.h - description
3 -------------------
4 begin : Feb 28 2008
5 copyright : (C) 2008 by Marco Gittler
6 email : g.marco@freenet.de
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef STOPMOTION_H
19#define STOPMOTION_H
20
21#include "ui_stopmotion_ui.h"
22#include "definitions.h"
23
24#include <KUrl>
25#include <QLabel>
26#include <QFuture>
27#include <QVBoxLayout>
28#include <QTimer>
29#include "monitor/abstractmonitor.h"
30
31class MltDeviceCapture;
32class MonitorManager;
33class MltVideoProfile;
34
35class MyLabel : public QLabel
36{
37 Q_OBJECT
38public:
39 explicit MyLabel(QWidget* parent = 0);
40 void setImage(const QImage &img);
41
42protected:
43 void paintEvent(QPaintEvent* event);
44 void wheelEvent(QWheelEvent* event);
45 void mousePressEvent(QMouseEvent*);
46
47private:
48 QImage m_img;
49
50signals:
51 /** @brief Seek to next or previous frame.
52 * @param forward set to true to go to next frame, fals to go to previous frame */
53 void seek(bool forward);
54
55 /** @brief Switch to live view. */
56 void switchToLive();
57};
58
59
60class StopmotionMonitor : public AbstractMonitor
61{
62 Q_OBJECT
63public:
64 StopmotionMonitor(MonitorManager *manager, QWidget *parent);
65 ~StopmotionMonitor();
66 AbstractRender *abstractRender();
67 Kdenlive::MonitorId id() const;
68 void setRender(MltDeviceCapture *render);
69
70private:
71 MltDeviceCapture *m_captureDevice;
72
73public slots:
74 void stop();
75 void start();
76 void slotPlay();
77 void slotMouseSeek(int eventDelta, bool fast);
78 void slotSwitchFullScreen();
79
80signals:
81 void stopCapture();
82};
83
84
85class StopmotionWidget : public QDialog, public Ui::Stopmotion_UI
86{
87 Q_OBJECT
88
89public:
90
91 /** @brief Build the stopmotion dialog.
92 * @param projectFolder The current project folder, where captured files will be stored.
93 * @param actions The actions for this widget that can have a keyboard shortcut.
94 * @param parent (optional) parent widget */
95 StopmotionWidget(MonitorManager *manager, const KUrl &projectFolder, const QList< QAction* > &actions, QWidget* parent = 0);
96 virtual ~StopmotionWidget();
97
98protected:
99 virtual void closeEvent(QCloseEvent* e);
100
101private:
102 /** @brief Current project folder (where the captured frames will be saved). */
103 KUrl m_projectFolder;
104
105 /** @brief Capture holder that will handle all video operation. */
106 MltDeviceCapture *m_captureDevice;
107
108 /** @brief Holds the name of the current sequence.
109 * Files will be saved in project folder with name: sequence001.png */
110 QString m_sequenceName;
111
112 /** @brief Holds the frame number of the current sequence. */
113 int m_sequenceFrame;
114
115 QAction* m_captureAction;
116
117 /** @brief Holds the index of the frame to be displayed in the frame preview mode. */
118 int m_animatedIndex;
119
120 /** @brief Find all stopmotion sequences in current project folder. */
121 void parseExistingSequences();
122
123 /** @brief This widget will hold the frame preview. */
124 MyLabel* m_frame_preview;
125
126 /** @brief The list of files in the sequence to create thumbnails. */
127 QStringList m_filesList;
128
129 /** @brief Holds the state of the threaded thumbnail generation. */
130 QFuture<void> m_future;
131
132 /** @brief Get the frame number ix. */
133 QListWidgetItem* getFrameFromIndex(int ix);
134
135 /** @brief The action triggering display of last frame over current live video feed. */
136 QAction* m_showOverlay;
137
138 /** @brief The list of all frames path. */
139 QStringList m_animationList;
140
141 /** @brief Tells if we are in animation (playback) mode. */
142 bool m_animate;
143
144 /** @brief Timer for interval capture. */
145 QTimer m_intervalTimer;
146
147 MonitorManager *m_manager;
148
149 /** @brief The monitor is used to control the v4l capture device from the monitormanager class. */
150 StopmotionMonitor *m_monitor;
151
152 /** @brief Create the XML playlist. */
153 const QString createProducer(const MltVideoProfile &profile, const QString &service, const QString &resource);
154
155 /** @brief A new frame arrived, reload overlay. */
156 void reloadOverlay();
157
158 /** @brief Holds the index of the effect to be applied to the video feed. */
159 int m_effectIndex;
160
161
162public slots:
163 /** @brief Display the live feed from capture device.
164 @param isOn enable or disable the feature */
165 void slotLive(bool isOn = true);
166 void slotStopCapture();
167
168private slots:
169
170 /** @brief Display the last captured frame over current live feed.
171 @param isOn enable or disable the feature */
172 void slotShowOverlay(bool isOn);
173
174 /** @brief Display the last captured frame over current live feed. */
175 void slotUpdateOverlay();
176
177 /** @brief User changed the capture name. */
178 void sequenceNameChanged(const QString& name);
179
180 /** @brief Grab a frame from current capture feed. */
181 void slotCaptureFrame();
182
183 /** @brief Display a previous frame in monitor. */
184 void slotShowFrame(const QString& path);
185
186 /** @brief Get full path for a frame in the sequence.
187 * @param ix the frame number.
188 * @param seqName (optional) the name of the sequence. */
189 QString getPathForFrame(int ix, QString seqName = QString());
190
191 /** @brief Add sequence to current project. */
192 void slotAddSequence();
193
194 /** @brief Display selected fram in monitor. */
195 void slotShowSelectedFrame();
196
197 /** @brief Start animation preview mode. */
198 void slotPlayPreview(bool animate);
199
200 /** @brief Simulate animation. */
201 void slotAnimate();
202
203 /** @brief Seek to previous or next captured frame.
204 * @param forward set to true for next frame, false for previous one. */
205 void slotSeekFrame(bool forward);
206
207 /** @brief Display warning / error message from capture backend. */
208 void slotGotHDMIMessage(const QString& message);
209
210 /** @brief Create thumbnails for existing sequence frames. */
211 void slotCreateThumbs(const QImage &img, int ix);
212
213 /** @brief Prepare thumbnails creation. */
214 void slotPrepareThumbs();
215
216 /** @brief Called when user switches the video capture backend. */
217 void slotUpdateDeviceHandler();
218
219 /** @brief Show / hide sequence thumbnails. */
220 void slotShowThumbs(bool show);
221
222 /** @brief Show the config dialog */
223 void slotConfigure();
224
225 /** @brief Prepare to crete thumb for newly captured frame. */
226 void slotNewThumb(const QString &path);
227
228 /** @brief Set the effect to be applied to overlay frame. */
229 void slotUpdateOverlayEffect(QAction* act);
230
231 /** @brief Switch between live view / currently selected frame. */
232 void slotSwitchLive();
233
234 /** @brief Delete current frame from disk. */
235 void slotRemoveFrame();
236
237 /** @brief Enable / disable frame analysis (in color scopes). */
238 void slotSwitchAnalyse(bool isOn);
239
240 /** @brief Enable / disable horizontal mirror effect. */
241 void slotSwitchMirror(bool isOn);
242
243 /** @brief Send a notification a few seconds before capturing. */
244 void slotPreNotify();
245
246signals:
247 /** @brief Ask to add sequence to current project. */
248 void addOrUpdateSequence(const QString &);
249
250 void doCreateThumbs(const QImage&, int);
251 void gotFrame(const QImage&);
252};
253
254#endif
255