diff options
Diffstat (limited to 'plugins/MacVST/DrumSlam/source/DrumSlamProc.cpp')
| -rwxr-xr-x | plugins/MacVST/DrumSlam/source/DrumSlamProc.cpp | 66 |
1 files changed, 22 insertions, 44 deletions
diff --git a/plugins/MacVST/DrumSlam/source/DrumSlamProc.cpp b/plugins/MacVST/DrumSlam/source/DrumSlamProc.cpp index 171b353..2e86142 100755 --- a/plugins/MacVST/DrumSlam/source/DrumSlamProc.cpp +++ b/plugins/MacVST/DrumSlam/source/DrumSlamProc.cpp @@ -25,8 +25,6 @@ void DrumSlam::processReplacing(float **inputs, float **outputs, VstInt32 sample double out = B; double wet = C; double dry = 1.0 - wet; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; while (--sampleFrames >= 0) { @@ -125,6 +123,8 @@ void DrumSlam::processReplacing(float **inputs, float **outputs, VstInt32 sample highSampleL = inputSampleL - iirSampleHL; highSampleR = inputSampleR - iirSampleHR; } + fpFlip = !fpFlip; + //generate the tone bands we're using if (lowSampleL > 1.0) {lowSampleL = 1.0;} if (lowSampleL < -1.0) {lowSampleL = -1.0;} @@ -219,26 +219,14 @@ void DrumSlam::processReplacing(float **inputs, float **outputs, VstInt32 sample inputSampleR = (inputSampleR * wet) + (drySampleR * dry); } - //noise shaping to 32-bit floating point - float fpTemp; - 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; @@ -268,8 +256,6 @@ void DrumSlam::processDoubleReplacing(double **inputs, double **outputs, VstInt3 double out = B; double wet = C; double dry = 1.0 - wet; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; while (--sampleFrames >= 0) { @@ -368,6 +354,8 @@ void DrumSlam::processDoubleReplacing(double **inputs, double **outputs, VstInt3 highSampleL = inputSampleL - iirSampleHL; highSampleR = inputSampleR - iirSampleHR; } + fpFlip = !fpFlip; + //generate the tone bands we're using if (lowSampleL > 1.0) {lowSampleL = 1.0;} if (lowSampleL < -1.0) {lowSampleL = -1.0;} @@ -462,26 +450,16 @@ void DrumSlam::processDoubleReplacing(double **inputs, double **outputs, VstInt3 inputSampleR = (inputSampleR * wet) + (drySampleR * dry); } - //noise shaping to 64-bit floating point - double fpTemp; - 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; |