timeline: added ability to move clips by sample in addition to by frame

2020-04-01 13:55:19 +11:00
parent 061f7ac20d
commit 76f260cb3a
7 changed files with 127 additions and 21 deletions
@@ -263,3 +263,13 @@ int64_t Timecode::time_to_timestamp(const double &time, const rational &timebase
 {
  return qRound64(time * timebase.flipped().toDouble());
 }
+
+int64_t Timecode::rescale_timestamp(const int64_t &ts, const rational &source, const rational &dest)
+{
+  return qRound64(static_cast<double>(ts) * source.toDouble() / dest.toDouble());
+}
+
+int64_t Timecode::rescale_timestamp_ceil(const int64_t &ts, const rational &source, const rational &dest)
+{
+  return qCeil(static_cast<double>(ts) * source.toDouble() / dest.toDouble());
+}