diff options
Diffstat (limited to 'plugins/MacAU/ToneSlant/ToneSlant.cpp')
| -rwxr-xr-x | plugins/MacAU/ToneSlant/ToneSlant.cpp | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/plugins/MacAU/ToneSlant/ToneSlant.cpp b/plugins/MacAU/ToneSlant/ToneSlant.cpp index 9b78bea..55f7435 100755 --- a/plugins/MacAU/ToneSlant/ToneSlant.cpp +++ b/plugins/MacAU/ToneSlant/ToneSlant.cpp @@ -168,9 +168,7 @@ ComponentResult ToneSlant::Initialize() void ToneSlant::ToneSlantKernel::Reset() { for(int count = 0; count < 102; count++) {b[count] = 0.0; f[count] = 0.0;} - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -192,9 +190,6 @@ void ToneSlant::ToneSlantKernel::Process( const Float32 *inSourceP, Float64 overallscale = GetParameter( kParam_One ); if (overallscale < 1.0) overallscale = 1.0; Float64 applySlant = GetParameter( kParam_Two ); - Float32 fpTemp; - Float64 fpOld = 0.618033988749894848204586; //golden ratio! - Float64 fpNew = 1.0 - fpOld; f[0] = 1.0 / overallscale; //count to f(gain) which will be 0. f(0) is x1 @@ -236,7 +231,6 @@ void ToneSlant::ToneSlantKernel::Process( const Float32 *inSourceP, //the silence will return to being digital black again. } - b[0] = accumulatorSample = drySample = inputSample; accumulatorSample *= f[0]; @@ -248,19 +242,11 @@ void ToneSlant::ToneSlantKernel::Process( const Float32 *inSourceP, inputSample += (correctionSample * applySlant); //our one math operation on the input data coming in - //noise shaping to 32-bit floating point - if (fpFlip) { - fpTemp = inputSample; - fpNShapeA = (fpNShapeA*fpOld)+((inputSample-fpTemp)*fpNew); - inputSample += fpNShapeA; - } - else { - fpTemp = inputSample; - fpNShapeB = (fpNShapeB*fpOld)+((inputSample-fpTemp)*fpNew); - inputSample += fpNShapeB; - } - fpFlip = !fpFlip; - //end noise shaping on 32 bit output + //32 bit dither, made small and tidy. + int expon; frexpf((Float32)inputSample, &expon); + long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + inputSample += (dither-fpNShape); fpNShape = dither; + //end 32 bit dither *destP = inputSample; |