/* add a single filter to the list */
public static void AppendFilterToSpec(
FilterSpecRec Filter,
OneFilterRec Spec)
{
Array.Resize(ref Filter.List, Filter.List.Length + 1);
Filter.List[Filter.List.Length - 1] = Spec;
}
/* add a parallel filter array to the spec list */
public static void AddFilterToEffectSpecList(
EffectSpecListRec EffectSpecList,
FilterSpecRec FilterSpec,
bool EnabledFlag)
{
AddGenericToEffectSpecList(EffectSpecList, EffectTypes.eFilterEffect, FilterSpec, EnabledFlag);
}
/* create a new parallel filter specification */
public static FilterSpecRec NewFilterSpec()
{
FilterSpecRec Filter = new FilterSpecRec();
Filter.List = new OneFilterRec[0];
return(Filter);
}
/* get aggregate output multiplier info for a filter */
public static void GetFilterOutputMultiplierAgg(
FilterSpecRec Filter,
int Index,
out ScalarParamEvalRec ParamsOut)
{
InitScalarParamEval(
Filter.List[Index].OutputMultiplier,
ref Filter.List[Index].OutputMultiplierAccent,
Filter.List[Index].OutputMultiplierFormula,
out ParamsOut);
}
/* get aggregate gain info for a filter */
public static void GetFilterGainAgg(
FilterSpecRec Filter,
int Index,
out ScalarParamEvalRec ParamsOut)
{
InitScalarParamEval(
Filter.List[Index].Gain,
ref Filter.List[Index].GainAccent,
Filter.List[Index].GainFormula,
out ParamsOut);
}
/* get aggregate bandwidth (or slope) info for a filter */
public static void GetFilterBandwidthOrSlopeAgg(
FilterSpecRec Filter,
int Index,
out ScalarParamEvalRec ParamsOut)
{
InitScalarParamEval(
Filter.List[Index].BandwidthOrSlope,
ref Filter.List[Index].BandwidthOrSlopeAccent,
Filter.List[Index].BandwidthOrSlopeFormula,
out ParamsOut);
}
public static bool GetFilterBroken(
FilterSpecRec Filter,
int Index)
{
#if DEBUG
if (Filter.List[Index].FilterType != FilterTypes.eFilterResonantLowpass2)
{
Debug.Assert(false);
throw new InvalidOperationException();
}
#endif
return(Filter.List[Index].Broken);
}
public static int GetFilterBandpassOrder(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].BandpassOrder);
}
public static LFOListSpecRec GetFilterGainLFO(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].GainLFO);
}
public static LFOListSpecRec GetFilterOutputLFO(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].OutputLFO);
}
public static LFOListSpecRec GetFilterBandwidthOrSlopeLFO(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].BandwidthOrSlopeLFO);
}
public static LFOListSpecRec GetFilterCutoffLFO(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].CutoffLFO);
}
public static EnvelopeRec GetFilterGainEnvelope(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].GainEnvelope);
}
public static EnvelopeRec GetFilterBandwidthOrSlopeEnvelope(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].BandwidthOrSlopeEnvelope);
}
/* get the number of filters */
public static int GetNumFiltersInSpec(FilterSpecRec Filter)
{
return(Filter.List.Length);
}
public static FilterScalings GetFilterScalingMode(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].FilterScaling);
}
/* get which channel to apply a filter to */
public static FilterChannels GetFilterChannel(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].Channel);
}
/* get a filter type for the specified filter spec */
public static FilterTypes GetFilterType(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index].FilterType);
}
/* get a filter specification record */
public static OneFilterRec GetSingleFilterSpec(
FilterSpecRec Filter,
int Index)
{
return(Filter.List[Index]);
}
/* check filter effect */
public static SynthErrorCodes CheckFilterEffectForUnreferencedSamples(
FilterSpecRec FilterEffect,
CheckUnrefParamRec Param)
{
int Limit = GetNumFiltersInSpec(FilterEffect);
for (int Scan = 0; Scan < Limit; Scan += 1)
{
SynthErrorCodes Error;
Error = CheckEnvelopeForUnreferencedSamples(
GetFilterCutoffEnvelope(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckEnvelopeForUnreferencedSamples(
GetFilterBandwidthOrSlopeEnvelope(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckEnvelopeForUnreferencedSamples(
GetFilterOutputEnvelope(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckEnvelopeForUnreferencedSamples(
GetFilterGainEnvelope(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckLFOListForUnreferencedSamples(
GetFilterCutoffLFO(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckLFOListForUnreferencedSamples(
GetFilterBandwidthOrSlopeLFO(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckLFOListForUnreferencedSamples(
GetFilterOutputLFO(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
Error = CheckLFOListForUnreferencedSamples(
GetFilterGainLFO(FilterEffect, Scan),
Param);
if (Error != SynthErrorCodes.eSynthDone)
{
return(Error);
}
}
return(SynthErrorCodes.eSynthDone);
}
