private static void CreateEqualizerJson(string equalizerFilename)
{
var eqParams = new EqualizerParams();
eqParams.LeftChannel.Add(new EqualizerBand
{
Bandwidth = 1.0f,
Frequency = 1000f,
Gain = 6f
});
eqParams.LeftChannel.Add(new EqualizerBand
{
Bandwidth = 1.0f,
Frequency = 10000f,
Gain = 6f
});
eqParams.RightChannel.Add(new EqualizerBand
{
Bandwidth = 1.0f,
Frequency = 100f,
Gain = 6f
});
eqParams.RightChannel.Add(new EqualizerBand
{
Bandwidth = 1.0f,
Frequency = 6000f,
Gain = 6f
});
string jsonString = JsonConvert.SerializeObject(eqParams);
File.WriteAllText(Path.Combine(Environment.CurrentDirectory, equalizerFilename), jsonString);
}
private static void CalcAdjustVolumeFromEq(EqualizerParams eqParams)
{
if (eqParams == null)
{
return;
}
float maxEqGain = 0;
foreach (EqualizerBand eb in eqParams.LeftChannel)
{
if (eb.Gain > 0)
{
maxEqGain = Math.Max(eb.Gain, maxEqGain);
}
}
foreach (EqualizerBand eb in eqParams.RightChannel)
{
if (eb.Gain > 0)
{
maxEqGain = Math.Max(eb.Gain, maxEqGain);
}
}
volumeAdjustDB = -maxEqGain;
}
private static void ReadEqParams(string equalizerFilename)
{
if (File.Exists(Path.Combine(Environment.CurrentDirectory, equalizerFilename)))
{
try
{
string jsonString = File.ReadAllText(Path.Combine(Environment.CurrentDirectory, equalizerFilename));
eqParams = JsonConvert.DeserializeObject <EqualizerParams>(jsonString);
Console.WriteLine("Equalizer params loaded.");
}
catch (Exception ex)
{
Console.WriteLine("Can not load equalizer params. " + ex.Message);
eqParams = null;
}
}
else
{
Console.WriteLine("Can not find equalizer params file.");
}
}
public Equalizer(ISampleProvider sourceProvider, EqualizerParams eqParams) :
this(sourceProvider, eqParams.LeftChannel.ToArray(), eqParams.RightChannel.ToArray())
{
}