private static double GetFilteredMax(
double low,
double high,
float[] audioData
)
{
double lowFreq = AudioInput.EstimateFreq(low, 144.4505);
int lowBinIndex = (int)AudioInput.GetFrequencyBinUnrounded(lowFreq);
double highFreq = AudioInput.EstimateFreq(high, 144.4505);
int highBinIndex = (int)Math.Ceiling(AudioInput.GetFrequencyBinUnrounded(highFreq));
return(audioData.Skip(lowBinIndex).Take(highBinIndex - lowBinIndex + 1).Max());
}
private void Update(object sender, NAudio.Wave.WaveInEventArgs args)
{
this.Volume = recordingDevice.AudioMeterInformation.MasterPeakValue;
lock (this.maxAudioDataLevels) {
short[] values = new short[args.Buffer.Length / 2];
for (int i = 0; i < args.BytesRecorded; i += 2)
{
values[i / 2] = (short)((args.Buffer[i + 1] << 8) | args.Buffer[i]);
}
this.unanalyzedValues.AddRange(values);
if (this.unanalyzedValues.Count >= fftSize)
{
this.GenerateAudioData();
this.unanalyzedValues.Clear();
}
foreach (var pair in this.config.levelDriverPresets)
{
if (pair.Value.Source != LevelDriverSource.Audio)
{
continue;
}
AudioLevelDriverPreset preset = (AudioLevelDriverPreset)pair.Value;
double filteredMax = AudioInput.GetFilteredMax(
preset.FilterRangeStart,
preset.FilterRangeEnd,
this.AudioData
);
if (this.maxAudioDataLevels.ContainsKey(preset.Name))
{
this.maxAudioDataLevels[preset.Name] = Math.Max(
this.maxAudioDataLevels[preset.Name],
filteredMax
);
}
else
{
this.maxAudioDataLevels[preset.Name] = filteredMax;
}
}
this.UpdateEnergyHistory();
}
}
public double LevelForChannel(int channelIndex)
{
double?midiLevel =
this.config.beatBroadcaster.CurrentMidiLevelDriverValueForChannel(
channelIndex
);
if (midiLevel.HasValue)
{
return(midiLevel.Value);
}
if (!this.config.channelToAudioLevelDriverPreset.ContainsKey(channelIndex))
{
return(this.Volume);
}
string audioPreset =
this.config.channelToAudioLevelDriverPreset[channelIndex];
if (
audioPreset == null ||
!this.config.levelDriverPresets.ContainsKey(audioPreset) ||
!(this.config.levelDriverPresets[audioPreset] is AudioLevelDriverPreset)
)
{
return(0.0);
}
AudioLevelDriverPreset preset =
(AudioLevelDriverPreset)this.config.levelDriverPresets[audioPreset];
if (preset.FilterRangeStart == 0.0 && preset.FilterRangeEnd == 1.0)
{
return(this.Volume);
}
var maxLevel = this.maxAudioDataLevels.ContainsKey(preset.Name)
? this.maxAudioDataLevels[preset.Name]
: 1.0;
return(AudioInput.GetFilteredMax(
preset.FilterRangeStart,
preset.FilterRangeEnd,
this.AudioData
) / maxLevel);
}
public Operator(Configuration config)
{
this.config = config;
this.stopwatch = new Stopwatch();
this.stopwatch.Start();
this.inputs = new List<Input>();
var audio = new AudioInput(config);
this.inputs.Add(audio);
var midi = new MidiInput(config);
this.inputs.Add(midi);
this.outputs = new List<Output>();
var hue = new HueOutput(config);
this.outputs.Add(hue);
var board = new CartesianTeensyOutput(config);
this.outputs.Add(board);
var dome = new LEDDomeOutput(config);
this.outputs.Add(dome);
var whyFire = new WhyFireOutput(config);
this.outputs.Add(whyFire);
this.visualizers = new List<Visualizer>();
this.visualizers.Add(new HueAudioVisualizer(
this.config,
audio,
hue
));
this.visualizers.Add(new LEDPanelVolumeVisualizer(
this.config,
audio,
board
));
this.visualizers.Add(new HueSolidColorVisualizer(
this.config,
hue
));
this.visualizers.Add(new HueSilentVisualizer(
this.config,
audio,
hue
));
this.visualizers.Add(new LEDPanelMidiVisualizer(
this.config,
midi,
board
));
this.visualizers.Add(new LEDDomeMidiTestVisualizer(
this.config,
midi,
dome
));
this.visualizers.Add(new LEDDomeStrandTestVisualizer(
this.config,
dome
));
this.visualizers.Add(new LEDDomeVolumeVisualizer(
this.config,
audio,
dome
));
this.visualizers.Add(new LEDDomeFlashVisualizer(
this.config,
audio,
midi,
dome
));
this.visualizers.Add(new WhyFireMidiVisualizer(
this.config,
midi,
whyFire
));
}
public MadmomHandler(Configuration config, AudioInput audio)
{
this.config = config;
this.audio = audio;
this.config.PropertyChanged += ConfigUpdated;
}