/* create a new resampler specifier */
public static ResamplerSpecRec NewResamplerSpecifier(
ResampleMethodType ResampleMethod,
ResampOutType OutputMethod,
double SamplingRate)
{
#if DEBUG
if ((ResampleMethod != ResampleMethodType.eResampleTruncating) &&
(ResampleMethod != ResampleMethodType.eResampleLinearInterpolation))
{
Debug.Assert(false);
throw new ArgumentException();
}
if ((OutputMethod != ResampOutType.eResampleRectangular) &&
(OutputMethod != ResampOutType.eResampleTriangular))
{
Debug.Assert(false);
throw new ArgumentException();
}
#endif
ResamplerSpecRec ResamplerSpec = new ResamplerSpecRec();
ResamplerSpec.SamplingRate = SamplingRate;
ResamplerSpec.ResampMethod = ResampleMethod;
ResamplerSpec.OutputMethod = OutputMethod;
return(ResamplerSpec);
}
/* add a resampler to the spec list */
public static void AddResamplerToEffectSpecList(
EffectSpecListRec EffectSpecList,
ResamplerSpecRec ResamplerSpec,
bool EnabledFlag)
{
AddGenericToEffectSpecList(EffectSpecList, EffectTypes.eResamplerEffect, ResamplerSpec, EnabledFlag);
}
public float OldRight; /* last left sample from last time */
/* create a new resampling processor */
public static ResamplerRec NewResampler(
ResamplerSpecRec Template,
SynthParamRec SynthParams)
{
ResamplerRec Resampler = new ResamplerRec();
Resampler.EffectSamplingRate = GetResampleRate(Template);
Resampler.ResampMethod = GetResamplingMethod(Template);
Resampler.OutputMethod = GetResampleOutputMethod(Template);
//Resampler.CurrentPhase = 0;
Resampler.PhaseDifferential = Resampler.EffectSamplingRate / SynthParams.dSamplingRate;
//Resampler.Left0Value = 0;
//Resampler.Left1Value = 0;
//Resampler.Right0Value = 0;
//Resampler.Right1Value = 0;
//Resampler.OldLeft = 0;
//Resampler.OldRight = 0;
return(Resampler);
}
/* get sampling rate */
public static double GetResampleRate(ResamplerSpecRec ResamplerSpec)
{
return(ResamplerSpec.SamplingRate);
}
/* get output generation method */
public static ResampOutType GetResampleOutputMethod(ResamplerSpecRec ResamplerSpec)
{
return(ResamplerSpec.OutputMethod);
}
/* get resampling method */
public static ResampleMethodType GetResamplingMethod(ResamplerSpecRec ResamplerSpec)
{
return(ResamplerSpec.ResampMethod);
}
/* check resampler effect */
public static SynthErrorCodes CheckResamplerEffectForUnreferencedSamples(
ResamplerSpecRec ResamplerEffect,
CheckUnrefParamRec Param)
{
return(SynthErrorCodes.eSynthDone);
}
