private void InitEq(ref int chHandle, float fGain = 0.0f)
{
_eqConfig = new EqualizerConfig();
// set peaking equalizer effect with no bands
_fxHandle = Bass.ChannelSetFX(chHandle, EffectType.PeakEQ, 0);
_eq.fGain = fGain;
_eq.fQ = EqConstants.fQ;
_eq.fBandwidth = EqConstants.fBandwidth;
_eq.lChannel = FXChannelFlags.All;
// create 1st band for bass
_eq.lBand = 0;
_eq.fCenter = EqConstants.fCenter_Bass;
Bass.FXSetParameters(_fxHandle, _eqHandle.AddrOfPinnedObject());
// create 2nd band for mid
_eq.lBand = 1;
_eq.fCenter = EqConstants.fCenter_Mid;
Bass.FXSetParameters(_fxHandle, _eqHandle.AddrOfPinnedObject());
// create 3rd band for treble
_eq.lBand = 2;
_eq.fCenter = EqConstants.fCenter_Treble;
Bass.FXSetParameters(_fxHandle, _eqHandle.AddrOfPinnedObject());
UpdateFxConfiguration(_eqConfig);
}
private void UpdateFxConfiguration(EqualizerConfig eqConfig)
{
int band = 0;
foreach (double value in eqConfig)
{
_eq.lBand = band;
Bass.FXGetParameters(_fxHandle, _eqHandle.AddrOfPinnedObject());
_eq.fGain = (float)value;
Bass.FXSetParameters(_fxHandle, _eqHandle.AddrOfPinnedObject());
++band;
}
}