private void InitEq(ref int chHandle, float fGain = 0.0f)
{
if (_eqConfig == null)
{
_eqConfig = new EqConfig();
}
// set peaking equalizer effect with no bands
_fx = Bass.ChannelSetFX(chHandle, EffectType.PeakEQ, 0); // BASS_ChannelSetFX(chan, BASS_FX_BFX_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(_fx, _handle.AddrOfPinnedObject());
// create 2nd band for mid
_eq.lBand = 1;
_eq.fCenter = EqConstants.fCenter_Mid;
Bass.FXSetParameters(_fx, _handle.AddrOfPinnedObject());
// create 3rd band for treble
_eq.lBand = 2;
_eq.fCenter = EqConstants.fCenter_Treble;
Bass.FXSetParameters(_fx, _handle.AddrOfPinnedObject());
UpdateFxConfiguration(_eqConfig);
}
private void UpdateFxConfiguration(EqConfig eqConfig)
{
for (int band = 0; band < 3; ++band)
{
_eq.lBand = band;
Bass.FXGetParameters(_fx, _handle.AddrOfPinnedObject());
_eq.fGain = eqConfig[band];
Bass.FXSetParameters(_fx, _handle.AddrOfPinnedObject());
}
}
