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authorChris Johnson <jinx6568@sover.net>2019-01-27 21:13:54 -0500
committerChris Johnson <jinx6568@sover.net>2019-01-27 21:13:54 -0500
commit966f2d253cd2ee6ce140ad68095a20a9d2b63052 (patch)
treeb0400d95bd06512531ade6ddf55190a58b6a5623 /plugins/WinVST/ADClip7
parent0887543349dbbec0721a1fc8b1c7deba9afefa8b (diff)
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Floating Point Dither For All
Diffstat (limited to 'plugins/WinVST/ADClip7')
-rwxr-xr-xplugins/WinVST/ADClip7/.vs/VSTProject/v14/.suobin22528 -> 22528 bytes
-rwxr-xr-xplugins/WinVST/ADClip7/ADClip7.cpp7
-rwxr-xr-xplugins/WinVST/ADClip7/ADClip7.h7
-rwxr-xr-xplugins/WinVST/ADClip7/ADClip7Proc.cpp64
4 files changed, 24 insertions, 54 deletions
diff --git a/plugins/WinVST/ADClip7/.vs/VSTProject/v14/.suo b/plugins/WinVST/ADClip7/.vs/VSTProject/v14/.suo
index 41b2402..51c82cf 100755
--- a/plugins/WinVST/ADClip7/.vs/VSTProject/v14/.suo
+++ b/plugins/WinVST/ADClip7/.vs/VSTProject/v14/.suo
Binary files differ
diff --git a/plugins/WinVST/ADClip7/ADClip7.cpp b/plugins/WinVST/ADClip7/ADClip7.cpp
index fb6d6c6..7ebc817 100755
--- a/plugins/WinVST/ADClip7/ADClip7.cpp
+++ b/plugins/WinVST/ADClip7/ADClip7.cpp
@@ -30,11 +30,8 @@ ADClip7::ADClip7(audioMasterCallback audioMaster) :
iirLowsBL = 0.0;
iirLowsBR = 0.0;
- fpNShapeLA = 0.0;
- fpNShapeLB = 0.0;
- fpNShapeRA = 0.0;
- fpNShapeRB = 0.0;
- fpFlip = true;
+ fpNShapeL = 0.0;
+ fpNShapeR = 0.0;
//this is reset: values being initialized only once. Startup values, whatever they are.
_canDo.insert("plugAsChannelInsert"); // plug-in can be used as a channel insert effect.
diff --git a/plugins/WinVST/ADClip7/ADClip7.h b/plugins/WinVST/ADClip7/ADClip7.h
index f20d3fb..f0cde6c 100755
--- a/plugins/WinVST/ADClip7/ADClip7.h
+++ b/plugins/WinVST/ADClip7/ADClip7.h
@@ -55,11 +55,8 @@ private:
char _programName[kVstMaxProgNameLen + 1];
std::set< std::string > _canDo;
- long double fpNShapeLA;
- long double fpNShapeLB;
- long double fpNShapeRA;
- long double fpNShapeRB;
- bool fpFlip;
+ long double fpNShapeL;
+ long double fpNShapeR;
//default stuff
long double lastSampleL;
long double lastSampleR;
diff --git a/plugins/WinVST/ADClip7/ADClip7Proc.cpp b/plugins/WinVST/ADClip7/ADClip7Proc.cpp
index 2705d61..abc9909 100755
--- a/plugins/WinVST/ADClip7/ADClip7Proc.cpp
+++ b/plugins/WinVST/ADClip7/ADClip7Proc.cpp
@@ -17,10 +17,8 @@ void ADClip7::processReplacing(float **inputs, float **outputs, VstInt32 sampleF
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
- float fpTemp;
long double fpOld = 0.618033988749894848204586; //golden ratio!
- long double fpNew = 1.0 - fpOld;
-
+ long double fpNew = 1.0 - fpOld;
double inputGain = pow(10.0,(A*18.0)/20.0);
double softness = B * fpNew;
double hardness = 1.0 - softness;
@@ -449,25 +447,14 @@ void ADClip7::processReplacing(float **inputs, float **outputs, VstInt32 sampleF
if (inputSampleR < -refclipR) inputSampleR = -refclipR;
//final iron bar
- //noise shaping to 32-bit floating point
- if (fpFlip) {
- fpTemp = inputSampleL;
- fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew);
- inputSampleL += fpNShapeLA;
- fpTemp = inputSampleR;
- fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew);
- inputSampleR += fpNShapeRA;
- }
- else {
- fpTemp = inputSampleL;
- fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew);
- inputSampleL += fpNShapeLB;
- fpTemp = inputSampleR;
- fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew);
- inputSampleR += fpNShapeRB;
- }
- fpFlip = !fpFlip;
- //end noise shaping on 32 bit output
+ //stereo 32 bit dither, made small and tidy.
+ int expon; frexpf((float)inputSampleL, &expon);
+ long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+ inputSampleL += (dither-fpNShapeL); fpNShapeL = dither;
+ frexpf((float)inputSampleR, &expon);
+ dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+ inputSampleR += (dither-fpNShapeR); fpNShapeR = dither;
+ //end 32 bit dither
*out1 = inputSampleL;
*out2 = inputSampleR;
@@ -489,10 +476,8 @@ void ADClip7::processDoubleReplacing(double **inputs, double **outputs, VstInt32
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
- double fpTemp;
long double fpOld = 0.618033988749894848204586; //golden ratio!
- long double fpNew = 1.0 - fpOld;
-
+ long double fpNew = 1.0 - fpOld;
double inputGain = pow(10.0,(A*18.0)/20.0);
double softness = B * fpNew;
double hardness = 1.0 - softness;
@@ -922,25 +907,16 @@ void ADClip7::processDoubleReplacing(double **inputs, double **outputs, VstInt32
if (inputSampleR < -refclipR) inputSampleR = -refclipR;
//final iron bar
- //noise shaping to 64-bit floating point
- if (fpFlip) {
- fpTemp = inputSampleL;
- fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew);
- inputSampleL += fpNShapeLA;
- fpTemp = inputSampleR;
- fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew);
- inputSampleR += fpNShapeRA;
- }
- else {
- fpTemp = inputSampleL;
- fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew);
- inputSampleL += fpNShapeLB;
- fpTemp = inputSampleR;
- fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew);
- inputSampleR += fpNShapeRB;
- }
- fpFlip = !fpFlip;
- //end noise shaping on 64 bit output
+ //stereo 64 bit dither, made small and tidy.
+ int expon; frexp((double)inputSampleL, &expon);
+ long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+ dither /= 536870912.0; //needs this to scale to 64 bit zone
+ inputSampleL += (dither-fpNShapeL); fpNShapeL = dither;
+ frexp((double)inputSampleR, &expon);
+ dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+ dither /= 536870912.0; //needs this to scale to 64 bit zone
+ inputSampleR += (dither-fpNShapeR); fpNShapeR = dither;
+ //end 64 bit dither
*out1 = inputSampleL;
*out2 = inputSampleR;