1 /***************************************************************************
2 titlewidget.h - description
5 copyright : (C) 2008 by Marco Gittler
6 email : g.marco@freenet.de
7 ***************************************************************************/
9 /***************************************************************************
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. *
16 ***************************************************************************/
21 #include "ui_stopmotion_ui.h"
22 #include "definitions.h"
27 #include <QVBoxLayout>
29 #include <abstractmonitor.h>
31 class MltDeviceCapture;
33 class VideoPreviewContainer;
34 class MltVideoProfile;
36 class MyLabel : public QLabel
40 MyLabel(QWidget* parent = 0);
41 void setImage(QImage img);
44 virtual void paintEvent(QPaintEvent* event);
45 virtual void wheelEvent(QWheelEvent* event);
46 virtual void mousePressEvent(QMouseEvent*);
52 /** @brief Seek to next or previous frame.
53 * @param forward set to true to go to next frame, fals to go to previous frame */
54 void seek(bool forward);
56 /** @brief Switch to live view. */
61 class StopmotionMonitor : public AbstractMonitor
65 StopmotionMonitor(MonitorManager *manager, QWidget *parent);
67 AbstractRender *abstractRender();
68 Kdenlive::MONITORID id() const;
69 void setRender(MltDeviceCapture *render);
72 MltDeviceCapture *m_captureDevice;
78 void slotMouseSeek(int eventDelta, bool fast);
79 void slotSwitchFullScreen();
86 class StopmotionWidget : public QDialog, public Ui::Stopmotion_UI
92 /** @brief Build the stopmotion dialog.
93 * @param projectFolder The current project folder, where captured files will be stored.
94 * @param actions The actions for this widget that can have a keyboard shortcut.
95 * @param parent (optional) parent widget */
96 StopmotionWidget(MonitorManager *manager, KUrl projectFolder, QList< QAction* > actions, QWidget* parent = 0);
97 virtual ~StopmotionWidget();
100 virtual void closeEvent(QCloseEvent* e);
103 /** @brief Current project folder (where the captured frames will be saved). */
104 KUrl m_projectFolder;
106 /** @brief Capture holder that will handle all video operation. */
107 MltDeviceCapture *m_captureDevice;
109 /** @brief Holds the name of the current sequence.
110 * Files will be saved in project folder with name: sequence001.png */
111 QString m_sequenceName;
113 /** @brief Holds the frame number of the current sequence. */
116 QAction* m_captureAction;
118 /** @brief Holds the index of the frame to be displayed in the frame preview mode. */
121 /** @brief Find all stopmotion sequences in current project folder. */
122 void parseExistingSequences();
124 /** @brief Select a frame in the list. */
125 void selectFrame(int ix);
127 /** @brief This widget will hold the frame preview. */
128 MyLabel* m_frame_preview;
130 /** @brief The list of files in the sequence to create thumbnails. */
131 QStringList m_filesList;
133 /** @brief Holds the state of the threaded thumbnail generation. */
134 QFuture<void> m_future;
136 /** @brief Get the frame number ix. */
137 QListWidgetItem* getFrameFromIndex(int ix);
139 /** @brief The action triggering display of last frame over current live video feed. */
140 QAction* m_showOverlay;
142 /** @brief The list of all frames path. */
143 QStringList m_animationList;
145 /** @brief Tells if we are in animation (playback) mode. */
148 /** @brief Timer for interval capture. */
149 QTimer m_intervalTimer;
151 MonitorManager *m_manager;
153 /** @brief The monitor is used to control the v4l capture device from the monitormanager class. */
154 StopmotionMonitor *m_monitor;
156 /** @brief Create the XML playlist. */
157 const QString createProducer(MltVideoProfile profile, const QString &service, const QString &resource);
159 /** @brief A new frame arrived, reload overlay. */
160 void reloadOverlay();
162 /** @brief Holds the index of the effect to be applied to the video feed. */
167 /** @brief Display the live feed from capture device.
168 @param isOn enable or disable the feature */
169 void slotLive(bool isOn = true);
170 void slotStopCapture();
174 /** @brief Display the last captured frame over current live feed.
175 @param isOn enable or disable the feature */
176 void slotShowOverlay(bool isOn);
178 /** @brief Display the last captured frame over current live feed. */
179 void slotUpdateOverlay();
181 /** @brief User changed the capture name. */
182 void sequenceNameChanged(const QString& name);
184 /** @brief Grab a frame from current capture feed. */
185 void slotCaptureFrame();
187 /** @brief Display a previous frame in monitor. */
188 void slotShowFrame(const QString& path);
190 /** @brief Get full path for a frame in the sequence.
191 * @param ix the frame number.
192 * @param seqName (optional) the name of the sequence. */
193 QString getPathForFrame(int ix, QString seqName = QString());
195 /** @brief Add sequence to current project. */
196 void slotAddSequence();
198 /** @brief Display selected fram in monitor. */
199 void slotShowSelectedFrame();
201 /** @brief Start animation preview mode. */
202 void slotPlayPreview(bool animate);
204 /** @brief Simulate animation. */
207 /** @brief Seek to previous or next captured frame.
208 * @param forward set to true for next frame, false for previous one. */
209 void slotSeekFrame(bool forward);
211 /** @brief Display warning / error message from capture backend. */
212 void slotGotHDMIMessage(const QString& message);
214 /** @brief Create thumbnails for existing sequence frames. */
215 void slotCreateThumbs(QImage img, int ix);
217 /** @brief Prepare thumbnails creation. */
218 void slotPrepareThumbs();
220 /** @brief Called when user switches the video capture backend. */
221 void slotUpdateDeviceHandler();
223 /** @brief Show / hide sequence thumbnails. */
224 void slotShowThumbs(bool show);
226 /** @brief Show the config dialog */
227 void slotConfigure();
229 /** @brief Prepare to crete thumb for newly captured frame. */
230 void slotNewThumb(const QString &path);
232 /** @brief Set the effect to be applied to overlay frame. */
233 void slotUpdateOverlayEffect(QAction* act);
235 /** @brief Switch between live view / currently selected frame. */
236 void slotSwitchLive();
238 /** @brief Delete current frame from disk. */
239 void slotRemoveFrame();
241 /** @brief Enable / disable frame analysis (in color scopes). */
242 void slotSwitchAnalyse(bool isOn);
244 /** @brief Enable / disable horizontal mirror effect. */
245 void slotSwitchMirror(bool isOn);
247 /** @brief Send a notification a few seconds before capturing. */
248 void slotPreNotify();
251 /** @brief Ask to add sequence to current project. */
252 void addOrUpdateSequence(const QString &);
254 void doCreateThumbs(QImage, int);
255 void gotFrame(QImage);