public virtual PlaybackSpeed AutoAdjust(PlaybackSpeed track, double targetBpm)
{
if (track == null) throw new ArgumentNullException("track");
if (track.IsUnknownBpm || Double.IsNaN(targetBpm))
return track;
double increase = CalculateSuggestedIncrease(track, targetBpm);
return track.AsIncreasedBy(increase);
}
public Transition GetTransitionBetween(PlaybackSpeed first, PlaybackSpeed second)
{
if (first == null) throw new ArgumentNullException("first");
if (second == null) throw new ArgumentNullException("second");
// Adjust playback speed to match
var suggestedSpeedIncrease = playbackSpeedAdjuster.CalculateSuggestedIncrease(first, second);
var secondAdjusted = second.AsIncreasedBy(suggestedSpeedIncrease);
var strategy = preferredStrategies.FirstOrDefault(s => s.IsCompatible(first, secondAdjusted));
if (strategy == null)
return null;
return new Transition(
first.ActualKey,
secondAdjusted.ActualKey,
strategy,
suggestedSpeedIncrease);
}