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 ***************************************************************************/
25 #include <QGraphicsRectItem>
26 #include <QDomElement>
27 #include <QGraphicsSceneMouseEvent>
31 #include "definitions.h"
33 #include "effectslist.h"
34 #include "abstractclipitem.h"
40 class ClipItem : public AbstractClipItem
45 ClipItem(DocClipBase *clip, ItemInfo info, double fps, double speed, int strobe, bool generateThumbs = true);
47 virtual void paint(QPainter *painter,
48 const QStyleOptionGraphicsItem *option,
50 virtual int type() const;
51 void resizeStart(int posx, bool size = true);
52 void resizeEnd(int posx);
53 OPERATIONTYPE operationMode(QPointF pos);
54 const QString clipProducer() const;
56 DocClipBase *baseClip() const;
57 QString clipName() const;
58 void setClipName(const QString &name);
59 QDomElement xml() const;
60 QDomElement itemXml() const;
61 ClipItem *clone(ItemInfo info) const;
62 const EffectsList effectList() const;
63 void setFadeOut(int pos);
64 void setFadeIn(int pos);
65 void setFades(int in, int out);
67 /** @brief Gets the clip's effect names.
68 * @return The names of the effects in a string list */
69 QStringList effectNames();
71 /** @brief Adds an effect to the clip.
72 * @return The parameters that will be passed to Mlt */
73 EffectsParameterList addEffect(const QDomElement effect, bool animate = true);
75 /** @brief Deletes the effect with id @param index. */
76 void deleteEffect(QString index);
78 /** @brief Gets the number of effects in this clip. */
81 /** @brief Gets a unique (?) effect id. */
84 /** @brief Gets a copy of the xml of an effect.
85 * @param ix The effect's index in effectlist
86 * @return A copy of the effect's xml */
87 QDomElement effectAt(int ix) const;
89 /** @brief Gets the xml of an effect.
90 * @param ix The effect's index in effectlist
91 * @return The effect's xml */
92 QDomElement getEffectAt(int ix) const;
94 /** @brief Replaces an effect.
95 * @param ix The effect's index in effectlist
96 * @param effect The new effect */
97 void setEffectAt(int ix, QDomElement effect);
99 void addTransition(Transition*);
101 /** @brief Regenerates audio and video thumbnails.
102 * @param clearExistingThumbs true = regenerate all thumbs, false = only create missing thumbs. */
103 void resetThumbs(bool clearExistingThumbs);
105 /** @brief Updates clip properties from base clip.
106 * @param checkDuration whether or not to check for a valid duration. */
107 void refreshClip(bool checkDuration);
109 /** @brief Gets clip's marker times.
110 * @return A list of the times. */
111 QList <GenTime> snapMarkers() const;
112 QList <CommentedTime> commentedSnapMarkers() const;
114 /** @brief Gets the position of the fade in effect. */
117 /** @brief Gets the position of the fade out effect. */
119 void setSelectedEffect(const int ix);
120 void updateKeyframeEffect();
121 QDomElement selectedEffect();
122 int selectedEffectIndex() const;
123 void initEffect(QDomElement effect, int diff = 0);
125 /** @brief Gets all keyframes.
126 * @param index Number of the effect
127 * @return a list of strings of keyframes (one string per param) */
128 QStringList keyframes(const int index);
130 /** @brief Sets params with keyframes and updates the visible keyframes.
131 * @param ix Number of the effect
132 * @param keyframes a list of strings of keyframes (one string per param), which should be used */
133 void setKeyframes(const int ix, const QStringList keyframes);
134 void setEffectList(const EffectsList effectList);
135 void setSpeed(const double speed, int strobe);
136 double speed() const;
138 GenTime maxDuration() const;
139 GenTime speedIndependantCropStart() const;
140 GenTime speedIndependantCropDuration() const;
141 const ItemInfo speedIndependantInfo() const;
142 int hasEffect(const QString &tag, const QString &id) const;
144 /** @brief Makes sure all keyframes are in the clip's cropped duration.
145 * @return Whether or not changes were made */
146 bool checkKeyFrames();
147 QPixmap startThumb() const;
148 QPixmap endThumb() const;
149 void setVideoOnly(bool force);
150 void setAudioOnly(bool force);
151 bool isVideoOnly() const;
152 bool isAudioOnly() const;
154 /** @brief Adjusts the keyframe values to fit a clip resizement.
155 * @param previous Old crop value
156 * @param current New crop value
157 * @param fromStart true = crop from start, false = crop from end
158 * @return true if anything was modified */
159 bool checkEffectsKeyframesPos(const int previous, const int current, bool fromStart);
160 void insertKeyframe(QDomElement effect, int pos, int val);
161 void movedKeyframe(QDomElement effect, int oldpos, int newpos, double value);
162 void updateKeyframes(QDomElement effect);
165 //virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
166 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
167 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
168 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
169 //virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
170 //virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
171 virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
175 ItemInfo m_speedIndependantInfo;
179 QString m_effectNames;
190 QTimer m_startThumbTimer;
191 QTimer m_endThumbTimer;
193 int m_selectedEffect;
194 QTimeLine *m_timeLine;
195 bool m_startThumbRequested;
196 bool m_endThumbRequested;
201 EffectsList m_effectList;
202 QList <Transition*> m_transitionsList;
203 QMap<int, QPixmap> m_audioThumbCachePic;
204 bool m_audioThumbReady;
205 double m_framePixelWidth;
209 void doGetIntraThumbs(QPainter *painter, const QPointF startPos, int offset, int start, int end);
212 void slotGetStartThumb();
213 void slotGetEndThumb();
214 void slotGotAudioData();
215 void slotPrepareAudioThumb(double pixelForOneFrame, int startpixel, int endpixel, int channels);
216 void animate(qreal value);
217 void slotSetStartThumb(QImage img);
218 void slotSetEndThumb(QImage img);
219 void slotThumbReady(int frame, QImage img);
222 void slotFetchThumbs();
223 void slotSetStartThumb(const QPixmap pix);
224 void slotSetEndThumb(const QPixmap pix);
227 void getThumb(int, int);
228 void prepareAudioThumb(double, int, int, int);