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timecodefunctions: allow flooring "to timestamp" conversions

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This commit is contained in:
itsmattkc
2021-05-13 23:57:50 +10:00
parent c4dcf89fde
commit 60c21e23f5
2 changed files with 15 additions and 9 deletions
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app/common/timecodefunctions.cpp
+12 -6
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@@ -239,10 +239,10 @@ rational Timecode::timecode_to_time(const QString &timecode, const rational &tim
return timestamp_to_time(timestamp, timebase);
}
rational Timecode::snap_time_to_timebase(const rational &time, const rational &timebase)
rational Timecode::snap_time_to_timebase(const rational &time, const rational &timebase, bool floor)
{
// Just convert to a timestamp in timebase units and back
int64_t timestamp = time_to_timestamp(time, timebase);
int64_t timestamp = time_to_timestamp(time, timebase, floor);
return timestamp_to_time(timestamp, timebase);
}
@@ -275,14 +275,20 @@ QString Timecode::TimeToString(int64_t ms)
.arg(ss, 2, 10, QChar('0'));
}
int64_t Timecode::time_to_timestamp(const rational &time, const rational &timebase)
int64_t Timecode::time_to_timestamp(const rational &time, const rational &timebase, bool floor)
{
return time_to_timestamp(time.toDouble(), timebase);
return time_to_timestamp(time.toDouble(), timebase, floor);
}
int64_t Timecode::time_to_timestamp(const double &time, const rational &timebase)
int64_t Timecode::time_to_timestamp(const double &time, const rational &timebase, bool floor)
{
return qRound64(time * timebase.flipped().toDouble());
double d = time * timebase.flipped().toDouble();
if (floor) {
return qFloor(d);
} else {
return qRound64(d);
}
}
int64_t Timecode::rescale_timestamp(const int64_t &ts, const rational &source, const rational &dest)