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"
44 class ClipItem : public AbstractClipItem
49 ClipItem(DocClipBase *clip, ItemInfo info, double fps, double speed, int strobe, int frame_width, bool generateThumbs = true);
51 virtual void paint(QPainter *painter,
52 const QStyleOptionGraphicsItem *option,
54 virtual int type() const;
55 void resizeStart(int posx, bool size = true);
56 void resizeEnd(int posx);
57 OPERATIONTYPE operationMode(QPointF pos);
58 static int itemHeight();
59 const QString clipProducer() const;
61 DocClipBase *baseClip() const;
62 QString clipName() const;
63 void setClipName(const QString &name);
64 QDomElement xml() const;
65 QDomElement itemXml() const;
66 ClipItem *clone(ItemInfo info) const;
67 const EffectsList effectList() const;
68 void setFadeOut(int pos);
69 void setFadeIn(int pos);
70 void setFades(int in, int out);
72 /** @brief Gets the clip's effect names.
73 * @return The names of the effects in a string list */
74 QStringList effectNames();
76 /** @brief Adds an effect to the clip.
77 * @return The parameters that will be passed to Mlt */
78 EffectsParameterList addEffect(const QDomElement effect, bool animate = true);
80 /** @brief Deletes the effect with id @param index. */
81 void deleteEffect(QString index);
83 /** @brief Gets the number of effects in this clip. */
86 /** @brief Gets a unique (?) effect id. */
89 /** @brief Gets a copy of the xml of an effect.
90 * @param ix The effect's index in effectlist
91 * @return A copy of the effect's xml */
92 QDomElement effectAt(int ix) const;
94 /** @brief Gets the xml of an effect.
95 * @param ix The effect's index in effectlist
96 * @return The effect's xml */
97 QDomElement getEffectAt(int ix) const;
99 /** @brief Replaces an effect.
100 * @param ix The effect's index in effectlist
101 * @param effect The new effect */
102 void setEffectAt(int ix, QDomElement effect);
104 void addTransition(Transition*);
106 /** @brief Regenerates audio and video thumbnails.
107 * @param clearExistingThumbs true = regenerate all thumbs, false = only create missing thumbs. */
108 void resetThumbs(bool clearExistingThumbs);
110 /** @brief Updates clip properties from base clip.
111 * @param checkDuration whether or not to check for a valid duration.
112 * @param resetThumbs whether or not to recreate the image thumbnails. */
113 void refreshClip(bool checkDuration, bool resetThumbs);
115 /** @brief Gets clip's marker times.
116 * @return A list of the times. */
117 QList <GenTime> snapMarkers() const;
118 QList <CommentedTime> commentedSnapMarkers() const;
120 /** @brief Gets the position of the fade in effect. */
123 /** @brief Gets the position of the fade out effect. */
125 void setSelectedEffect(const int ix);
126 void updateKeyframeEffect();
127 QDomElement selectedEffect();
128 int selectedEffectIndex() const;
129 void initEffect(QDomElement effect, int diff = 0);
131 /** @brief Gets all keyframes.
132 * @param index Number of the effect
133 * @return a list of strings of keyframes (one string per param) */
134 QStringList keyframes(const int index);
136 /** @brief Sets params with keyframes and updates the visible keyframes.
137 * @param ix Number of the effect
138 * @param keyframes a list of strings of keyframes (one string per param), which should be used */
139 void setKeyframes(const int ix, const QStringList keyframes);
140 void setEffectList(const EffectsList effectList);
141 void setSpeed(const double speed, int strobe);
142 double speed() const;
144 GenTime maxDuration() const;
145 GenTime speedIndependantCropStart() const;
146 GenTime speedIndependantCropDuration() const;
147 const ItemInfo speedIndependantInfo() const;
148 int hasEffect(const QString &tag, const QString &id) const;
150 /** @brief Makes sure all keyframes are in the clip's cropped duration.
151 * @return Whether or not changes were made */
152 bool checkKeyFrames();
153 QPixmap startThumb() const;
154 QPixmap endThumb() const;
155 void setVideoOnly(bool force);
156 void setAudioOnly(bool force);
157 bool isVideoOnly() const;
158 bool isAudioOnly() const;
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);
163 void updateGeometryKeyframes(QDomElement effect, int paramIndex, int width, int height, ItemInfo oldInfo);
164 bool updateNormalKeyframes(QDomElement parameter);
166 /** @brief Adjusts effects after a clip duration change. */
167 QMap<int, QDomElement> adjustEffectsToDuration(int width, int height, ItemInfo oldInfo);
169 /** Returns the necessary (audio, video, general) producer.
170 * @param track Track of the requested producer
171 * @param trackSpecific (default = true) Whether to return general producer for a specific track.
172 * @return Fitting producer
173 * Which producer is returned depends on the type of this clip (audioonly, videoonly, normal) */
174 Mlt::Producer *getProducer(int track, bool trackSpecific = true);
175 void resetFrameWidth(int width);
178 //virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
179 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
180 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
181 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
182 //virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
183 //virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
184 virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
188 ItemInfo m_speedIndependantInfo;
192 QString m_effectNames;
203 QTimer m_startThumbTimer;
204 QTimer m_endThumbTimer;
206 int m_selectedEffect;
207 QTimeLine *m_timeLine;
208 bool m_startThumbRequested;
209 bool m_endThumbRequested;
214 EffectsList m_effectList;
215 QList <Transition*> m_transitionsList;
216 QMap<int, QPixmap> m_audioThumbCachePic;
217 bool m_audioThumbReady;
218 double m_framePixelWidth;
222 /** @brief Keyframes type can be "keyframe" or "simplekeyframe" which have to be painted differently.
223 * True if keyframe type is "keyframe" */
224 bool m_limitedKeyFrames;
227 void slotGetStartThumb();
228 void slotGetEndThumb();
229 void slotGotAudioData();
230 void slotPrepareAudioThumb(double pixelForOneFrame, int startpixel, int endpixel, int channels);
231 void animate(qreal value);
232 void slotSetStartThumb(QImage img);
233 void slotSetEndThumb(QImage img);
234 void slotThumbReady(int frame, QImage img);
235 /** @brief The thumbnailer has finished to cache all required thumbs. */
236 void slotGotThumbsCache();
239 void slotFetchThumbs();
240 void slotSetStartThumb(const QPixmap pix);
241 void slotSetEndThumb(const QPixmap pix);
244 void getThumb(int, int);
245 void prepareAudioThumb(double, int, int, int);