time ruler interactivity

2019-07-24 21:46:28 -07:00
parent 705ecc0910
commit 3564e71c1c
7 changed files with 113 additions and 59 deletions
@@ -1,2 +1,24 @@
 #include "timecodefunctions.h"

+#include <QtMath>
+
+QString padded(int arg, int padding) {
+  return QString("%1").arg(arg, padding, 10, QChar('0'));
+}
+
+QString olive::timestamp_to_timecode(const rational &timestamp)
+{
+  double timestamp_dbl = timestamp.ToDouble();
+
+  int total_seconds = qFloor(timestamp_dbl);
+
+  int hours = total_seconds / 3600;
+  int mins = total_seconds / 60 - hours * 60;
+  int secs = total_seconds - mins * 60;
+  int fraction = qRound((timestamp_dbl - total_seconds) * 1000);
+
+  return QString("%1:%2:%3.%4").arg(padded(hours, 2),
+                                    padded(mins, 2),
+                                    padded(secs, 2),
+                                    padded(fraction, 3));
+}