private double ConfigureBrightness(AnalysisResult result)
{
int offsetIndex = result.GetIndex(BrightnessRange.From);
int endIndex = result.GetIndex(BrightnessRange.To);
var dbfs = result.GetDBFS(offsetIndex, endIndex);
var averageDbfs = 0.0;
foreach (var value in dbfs)
{
averageDbfs += value;
}
averageDbfs /= dbfs.Length;
double minimum = -90;
double maximum = -70;
var linear = (averageDbfs - minimum) / (maximum - minimum);
if (!double.IsNormal(linear))
{
linear = 0;
}
linear = Math.Max(0, Math.Min(linear, 1));
var brightness = Limit(Math.Log2(1 + linear));
brightness = 1;
return(brightness);
}
private void ConfigureColors(AnalysisResult result, LedColor[] colors, ColorRange range)
{
double[] dbfs;
double averageDbfs;
double linear;
int offsetIndex = result.GetIndex(range.Frequency.From);
int endIndex = result.GetIndex(range.Frequency.To);
dbfs = result.GetDBFS(offsetIndex, endIndex);
averageDbfs = 0.0;
foreach (var value in dbfs)
{
averageDbfs += value;
}
averageDbfs /= dbfs.Length;
averageDbfs += Gain;
linear = (averageDbfs - range.Minimum) / (range.Maximum - range.Minimum);
if (!double.IsNormal(linear))
{
linear = 0;
}
linear = Math.Max(0, Math.Min(linear, 1));
var maxFreq = range.Frequency.To;
int ledOffset = (int)(Math.Round(range.LedFrom * _controller.LEDCount));
int ledCount = (int)(Math.Round((range.LedTo - range.LedFrom) * _controller.LEDCount));
if (ledOffset + ledCount >= colors.Length)
{
ledCount = colors.Length - ledOffset;
}
int ledEndIndex = ledOffset + ledCount - 1;
var overlay = range.Overlay ?? new LedColor(1, 1, 1);
var peakOverlay = range.PeakOverlay ?? new LedColor(1, 1, 1);
for (int i = ledOffset; i <= ledEndIndex; i++)
{
colors[i] += Color * overlay * linear;
}
if (UsePeakDetection)
{
var peaks = result.GetPeaks(offsetIndex, endIndex);
double peakDbfs;
foreach (var peak in peaks)
{
peakDbfs = dbfs[peak.Key] + Gain;
linear = (peakDbfs - range.Minimum) / (range.Maximum - range.Minimum);
if (!double.IsNormal(linear))
{
linear = 0;
}
linear = Math.Max(0, Math.Min(linear, 1));
var index = GetLedIndex(maxFreq, range.Frequency.From, peak.Value, ledOffset, ledCount);
colors[index] += PeakColor * peakOverlay * linear * PeakBrightness;
}
}
}