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-rwxr-xr-xplugins/MacAU/IronOxide5/IronOxide5.cpp30
1 files changed, 7 insertions, 23 deletions
diff --git a/plugins/MacAU/IronOxide5/IronOxide5.cpp b/plugins/MacAU/IronOxide5/IronOxide5.cpp
index f0c27dd..c64d19a 100755
--- a/plugins/MacAU/IronOxide5/IronOxide5.cpp
+++ b/plugins/MacAU/IronOxide5/IronOxide5.cpp
@@ -224,9 +224,7 @@ void IronOxide5::IronOxide5Kernel::Reset()
sweep = 0.0;
rateof = 0.5;
nextmax = 0.5;
- fpNShapeA = 0.0;
- fpNShapeB = 0.0;
- fpFlip = true;
+ fpNShape = 0.0;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -288,11 +286,6 @@ void IronOxide5::IronOxide5Kernel::Process( const Float32 *inSourceP,
Float64 dry = 1.0;
if (invdrywet > 0.0) dry -= invdrywet;
- Float32 fpTemp;
- Float64 fpOld = 0.618033988749894848204586; //golden ratio!
- Float64 fpNew = 1.0 - fpOld;
-
-
while (nSampleFrames-- > 0) {
inputSample = *sourceP;
if (inputSample<1.2e-38 && -inputSample<1.2e-38) {
@@ -475,7 +468,7 @@ void IronOxide5::IronOxide5Kernel::Process( const Float32 *inSourceP,
inputSample += (prevInputSample*randy);
prevInputSample = drySample;
- flip = not flip;
+ flip = !flip;
//begin invdrywet block with outputgain
if (outputgain != 1.0) inputSample *= outputgain;
@@ -484,23 +477,14 @@ void IronOxide5::IronOxide5Kernel::Process( const Float32 *inSourceP,
if (fabs(drySample) > 0.0) inputSample += drySample;
//end invdrywet block with outputgain
- //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 = not 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;
-
sourceP += inNumChannels; destP += inNumChannels;
}
}