diff options
Diffstat (limited to 'plugins/MacAU/Melt/Melt.cpp')
| -rwxr-xr-x | plugins/MacAU/Melt/Melt.cpp | 28 |
1 files changed, 6 insertions, 22 deletions
diff --git a/plugins/MacAU/Melt/Melt.cpp b/plugins/MacAU/Melt/Melt.cpp index 8da35b4..eaca93d 100755 --- a/plugins/MacAU/Melt/Melt.cpp +++ b/plugins/MacAU/Melt/Melt.cpp @@ -189,10 +189,7 @@ void Melt::MeltKernel::Reset() stepCount = 0; slowCount = 0; gcount = 0; - - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -245,10 +242,6 @@ void Melt::MeltKernel::Process( const Float32 *inSourceP, minTap[28] = floor(109 * depthA); maxTap[28] = floor(109 * depthB); minTap[29] = floor(113 * depthA); maxTap[29] = floor(113 * depthB); minTap[30] = floor(117 * depthA); maxTap[30] = floor(117 * depthB); - - Float32 fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; long double drySample; long double inputSample; @@ -370,20 +363,11 @@ void Melt::MeltKernel::Process( const Float32 *inSourceP, //nice little output stage template: if we have another scale of floating point //number, we really don't want to meaninglessly multiply that by 1.0. - - //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; |