public TimelineSource(TuneDuration duration, int alignmentOfStart) { this._workingDuration = TimeSpan.FromSeconds(duration.Duration() >= 0 ? duration.Duration() : DefaultDuration); this.Beginning = this.StartingPointAlignedToSecond( TimeSpan.FromSeconds(new FiniteDouble(duration.StartingPoint())), alignmentOfStart); }
public WaveformSection(TuneDuration tuneDuration, ITimedPlayback tune, int resolution) { this.Start = new Even((int)(new FiniteDouble( // gotta be even, baby tuneDuration.StartingPoint() // this is number of seconds at which the area start / tune.TotalTime().TotalSeconds) // this is the total number of seconds - so the ratio is correct .Value() * resolution)); this.End = this.Start + (int)Math.Min(resolution, // how much are we going to cover? max is the number of points available <=> resolution resolution / tuneDuration.Zoom); // what is this if resolution == 8000 and zoom == 2, then we cover r/2 == 4000? seems like! }
public void TimelineOfZoomedInDurationProvidesSecondsCorrespondingOfCoveredDuration() { var td = new TuneDuration(120, 360, 4); var secs = new TimelineSource(td, 10).Seconds().ToList(); Assert.AreEqual(85, secs.Count); Assert.AreEqual(120 - 45d, td.StartingPoint()); Assert.AreEqual(TimeSpan.FromSeconds(80), secs.First()); Assert.AreEqual(TimeSpan.FromSeconds(120 + 44d), secs.Last()); }
public void FactsAboutTheFullDuration() { var td = new TuneDuration(180); Assert.AreEqual(180d, td.Duration()); Assert.AreEqual(180d, td.Remaining(0d)); Assert.AreEqual(90d, td.Remaining(90d)); Assert.IsTrue(td.Includes(0)); Assert.IsTrue(td.Includes(new ZeroToOne(0))); Assert.IsTrue(td.Includes(1)); Assert.IsTrue(td.Includes(new ZeroToOne(1))); Assert.AreEqual(0d, td.StartingPoint()); Assert.AreEqual(0d, td.Progress(0d).Value()); Assert.AreEqual(1d, td.Progress(180d).Value()); Assert.AreEqual(0.5d, td.Progress(90d).Value()); Assert.AreEqual(45d, td.ActualPosition(0.25d)); Assert.AreEqual(0d, td.HiddenBefore(2450)); }
public void FactsAboutZoomedInDurationThatIncludesEnd() { var td = new TuneDuration(120, 180, 2.0); Assert.AreEqual(90d, td.Duration()); Assert.AreEqual(90d, td.Remaining(90d)); Assert.AreEqual(80, td.Remaining(100d)); Assert.IsFalse(td.Includes(0)); Assert.IsFalse(td.Includes(new ZeroToOne(0))); Assert.IsTrue(td.Includes(1)); Assert.IsTrue(td.Includes(new ZeroToOne(1))); Assert.IsTrue(td.Includes(0.5)); Assert.IsTrue(td.Includes(new ZeroToOne(0.5))); Assert.AreEqual(90d, td.StartingPoint()); Assert.AreEqual(0d, td.Progress(0d).Value()); Assert.AreEqual(0d, td.Progress(90d).Value()); Assert.AreEqual(1d, td.Progress(180d).Value()); Assert.AreEqual(135d, td.ActualPosition(0.5d)); Assert.AreEqual(1225d, td.HiddenBefore(2450)); }