private void Update(EvaluationContext context)
{
var t = context.Playback.FxTimeInBars;
var wasEvaluatedThisFrame = Math.Abs(t - _lastEvalTime) < 0.001f;
if (wasEvaluatedThisFrame)
{
return;
}
_lastEvalTime = t;
var value = Value.GetValue(context);
var increase = (value - _lastValue);//.Clamp(0, 10000);
var timeSinceLastPeak = Playback.RunTimeInSecs - _lastPeakTime;
if (timeSinceLastPeak < 0)
{
_lastPeakTime = Double.NegativeInfinity;
}
if (increase > Threshold.GetValue(context) && timeSinceLastPeak > MinTimeBetweenPeaks.GetValue(context))
{
_lastPeakTime = Playback.RunTimeInSecs;
FoundPeak.Value = true;
}
else
{
FoundPeak.Value = false;
}
var previousSum = MovingSum.GetValue(context);
const float precisionThreshold = 30000f;
if (Math.Abs(previousSum) > precisionThreshold)
{
previousSum %= precisionThreshold;
}
MovingSum.Value = previousSum + increase;
AttackLevel.Value = increase;
TimeSincePeak.Value = (float)timeSinceLastPeak;
_lastValue = value;
FoundPeak.DirtyFlag.Clear();
TimeSincePeak.DirtyFlag.Clear();
AttackLevel.DirtyFlag.Clear();
}
private void Update(EvaluationContext context)
{
var needsRecalcAverage = false;
var filePath = FilePath.GetValue(context);
if (filePath != _filepath)
{
_filepath = filePath;
if (File.Exists(_filepath))
{
using (var reader = new StreamReader(filePath))
{
var jsonString = reader.ReadToEnd();
_upLevels = JsonConvert.DeserializeObject <float[]>(jsonString);
if (_upLevels == null || _upLevels.Length == 0)
{
Log.Warning("Loading sound levels failed");
return;
}
}
}
else
{
Log.Warning("File doesn't exist: " + _filepath);
}
needsRecalcAverage = true;
}
var smoothWindow = (int)Clamp(Smooth.GetValue(context), 1, MaxSmoothWindow);
needsRecalcAverage |= smoothWindow != _smoothWindow;
if (needsRecalcAverage)
{
_minTimeBetweenPeaks = MinTimeBetweenPeaks.GetValue(context);
_smoothWindow = smoothWindow;
_maxLevel = 0f;
_averageLevels = new float[_upLevels.Length];
_averageLevels2 = new float[_upLevels.Length];
foreach (var l in _upLevels)
{
_maxLevel = Math.Max(l, _maxLevel);
}
SmoothBuffer(ref _upLevels, ref _averageLevels2, _smoothWindow, 1);
SmoothBuffer(ref _averageLevels2, ref _averageLevels, _smoothWindow, 2);
SmoothBuffer(ref _averageLevels, ref _averageLevels2, _smoothWindow, 4);
SmoothBuffer(ref _averageLevels2, ref _averageLevels, _smoothWindow, 8);
}
bool needsRescanBeats = needsRecalcAverage;
var threshold = Threshold.GetValue(context);
needsRescanBeats |= threshold != _threshold;
var minTimeBetweenPeaks = MinTimeBetweenPeaks.GetValue(context);
needsRescanBeats |= minTimeBetweenPeaks != _minTimeBetweenPeaks;
if (needsRescanBeats)
{
_threshold = threshold;
_minTimeBetweenPeaks = minTimeBetweenPeaks;
UpdateAllBeatNumbers();
}
//var index = (int)(Time.GetValue(context) * SampleResolutionPerSecond);
var index = (int)(Playback.Current.TimeInBars * SampleResolutionPerSecond);
// Log.Debug("INdex:" + index);
var needToFindNewBoundaries = (index <= _beatStartIndex || index >= _beatEndIndex);
needToFindNewBoundaries |= needsRescanBeats;
if (needToFindNewBoundaries)
{
FindBoundarysFromBeatNumbers(index, out _beatStartIndex, out _beatEndIndex);
}
//FindBeatBoundaries(index, ref _beatStartIndex, ref _beatEndIndex);
if (_upLevels == null || index >= _upLevels.Length || index <= 0 || !(_maxLevel > 0.001f))
{
return;
}
Level.Value = _upLevels[index];
// Peaks...
// BeatTime.Value = (float)Math.Max(0, _uplevels[index] - _averageLevels[index]);
// Flashes:
var t = ((float)index - _beatStartIndex) / SampleResolutionPerSecond;
BeatTime.Value = (float)Math.Pow(2.71f, -FlashDecay.GetValue(context) * t);
// FlashesWithIntensity...
// var t2 = ((float)index - _beatStartIndex) / (float)SAMPLE_RESOLUTION_PER_SECOND;
// BeatTime.Value = (float)Math.Pow(2.71f, -FlashDecay* t2) * _uplevels[_beatStartIndex];
// TimeSincePeak...
// BeatTime.Value = ((float)index - _beatStartIndex) / (float)SAMPLE_RESOLUTION_PER_SECOND;
// TimeToPeak...
// BeatTime.Value = (_beatEndIndex - (float)index) / (float)SAMPLE_RESOLUTION_PER_SECOND;
// BeatIndex.Value = (float)_beatStartIndex;
BeatIndex.Value = _beatNumbers[index];
Loudness.Value = _averageLevels[index];
}