progress on ffmpeg fitlers

effects/effect.cpp

@@ -150,6 +150,10 @@ void Effect::process_audio(uint8_t*, int) {}
 
 EffectRow::EffectRow(Effect *parent, QGridLayout *uilayout, const QString &n, int row) : parent_effect(parent), ui(uilayout), name(n), ui_row(row) {
 	ui->addWidget(new QLabel(name), row, 0);
+
+	/*keyframe_enable = new CheckboxEx();
+	keyframe_enable->setToolTip("Enable Keyframes");
+	ui->addWidget(keyframe_enable, row, 5);*/
 }
 
 EffectField* EffectRow::add_field(int type, int colspan) {

effects/effect.h

@@ -13,6 +13,7 @@ struct Clip;
 class QXmlStreamReader;
 class QXmlStreamWriter;
 class Effect;
+class CheckboxEx;
 
 #define EFFECT_TYPE_INVALID 0
 #define EFFECT_TYPE_VIDEO 1
@@ -98,6 +99,8 @@ private:
 	QString name;
 	int ui_row;
 	QVector<EffectField*> fields;
+
+	CheckboxEx* keyframe_enable;
 };
 
 class Effect : public QObject {
@@ -128,6 +131,8 @@ public:
 	bool enable_pre_gl;
 	bool enable_post_gl;
 
+	const char* ffmpeg_filter;
+
 	virtual void process_gl(int* anchor_x, int* anchor_y);
     virtual void post_gl();
     virtual void process_audio(quint8* samples, int nb_bytes);

effects/inverteffect.cpp

@@ -9,6 +9,8 @@
 #include <QXmlStreamAttributes>
 
 InvertEffect::InvertEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_INVERT_EFFECT) {
+	enable_ffmpeg = true;
+	ffmpeg_filter = "negate";
 
 	EffectRow* amount_row = add_row("Amount:");
 	amount_val = amount_row->add_field(EFFECT_FIELD_DOUBLE);