many changes, mostly to export

project/clip.cpp

@@ -38,6 +38,10 @@ void Clip::copy(const Clip& c) {
 	sequence = c.sequence;
 	media = c.media;
 	media_stream = c.media_stream;
+
+    for (int i=0;i<c.effects.size();i++) {
+        effects.append(c.effects.at(i)->copy());
+    }
 }
 
 void Clip::init() {
@@ -68,9 +72,9 @@ Clip::~Clip() {
 	open_lock.lock();
 	open_lock.unlock();
 
-	for (int i=0;i<effects.size();i++) {
-		delete effects.at(i);
-	}
+    for (int i=0;i<effects.size();i++) {
+        delete effects.at(i);
+    }
 	av_packet_unref(pkt);
 	delete pkt;
 }

project/clip.h

@@ -57,7 +57,7 @@ struct Clip
 	Sequence* sequence;
 
 	// other variables (should be "duplicated" in copy())
-	QList<Effect*> effects;
+    QList<Effect*> effects;
 //	QVector<Clip&> linkedClips;
 
 	// media handling

project/effect.cpp

@@ -14,5 +14,12 @@ void Effect::field_changed() {
 	panel_viewer->viewer_widget->update();
 }
 
+Effect* Effect::copy() {
+    Effect* e = new Effect(parent_clip);
+    name = e->name;
+    type = e->type;
+    return e;
+}
+
 void Effect::process_gl(int* anchor_x, int* anchor_y) {}
 void Effect::process_audio(uint8_t* samples, int nb_bytes) {}

project/effect.h

@@ -14,12 +14,14 @@ class Effect : public QObject
 {
 	Q_OBJECT
 public:
-	Effect(Clip* c);
+    Effect(Clip* c); // default constructor
 	int type;
 	QString name;
 	CollapsibleWidget* container;
 	QWidget* ui;
-	Clip* parent_clip;
+    Clip* parent_clip;
+
+    virtual Effect* copy();
 
 	virtual void process_gl(int* anchor_x, int* anchor_y);
 	virtual void process_audio(uint8_t* samples, int nb_bytes);