//#include "config.h"
extern "C" {
- KDE_EXPORT ThumbCreator *new_creator() {
- return new MltPreview;
- }
+KDE_EXPORT ThumbCreator *new_creator() {
+ return new MltPreview;
+}
}
MltPreview::MltPreview() :
- QObject(),
- ThumbCreator()
+ QObject(),
+ ThumbCreator()
{
Mlt::Factory::init();
}
if (producer->is_blank()) {
delete producer;
+ delete profile;
return false;
}
int frame = 75;
}
-uint MltPreview::imageVariance(QImage image)
+uint MltPreview::imageVariance(const QImage &image)
{
if (image.isNull()) return 0;
uint delta = 0;
uint avg = 0;
uint bytes = image.numBytes();
+ if (bytes == 0) return 0;
uint STEPS = bytes / 2;
QVarLengthArray<uchar> pivot(STEPS);
kDebug(DBG_AREA) << "Using " << STEPS << " steps\n";
// First pass: get pivots and taking average
for( uint i=0; i<STEPS ; i++ ){
pivot[i] = bits[2 * i];
+#if QT_VERSION >= 0x040700
avg+=pivot.at(i);
+#else
+ avg+=pivot[i];
+#endif
}
avg=avg/STEPS;
// Second Step: calculate delta (average?)
for (uint i=0; i<STEPS; i++)
{
+#if QT_VERSION >= 0x040700
int curdelta=abs(int(avg - pivot.at(i)));
+#else
+ int curdelta=abs(int(avg - pivot[i]));
+#endif
delta+=curdelta;
}
return delta / STEPS;
}
+
+#include "westleypreview.moc"