public void Update(EqualizerParams eqParams)
{
updated = true;
leftBands = eqParams.LeftChannel.ToArray();
rightBands = eqParams.RightChannel.ToArray();
}
public ISampleProvider SampleProvider(ISampleProvider sourceProvider)
{
EqualizerParams eqParams = GetEqParams();
float adjustVolume = CalcAdjustVolumeFromEq(eqParams);
adjustedSampleProvider = new ChannelsVolumeSampleProvider(sourceProvider)
{
LeftChannelVolumeInDB = adjustVolume,
RightChannelVolumeInDB = adjustVolume
};
return(equalizerSampleProvider = new EqualizerSampleProvider(adjustedSampleProvider, eqParams));
}
private float CalcAdjustVolumeFromEq(EqualizerParams eqParams)
{
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);
}
}
return(-maxEqGain);
}
public EqualizerSampleProvider(ISampleProvider sourceProvider, EqualizerParams eqParams) :
this(sourceProvider, eqParams.LeftChannel.ToArray(), eqParams.RightChannel.ToArray())
{
}
