diff options
Diffstat (limited to 'plugins/MacAU/DrumSlam/DrumSlam.cpp')
| -rwxr-xr-x | plugins/MacAU/DrumSlam/DrumSlam.cpp | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/plugins/MacAU/DrumSlam/DrumSlam.cpp b/plugins/MacAU/DrumSlam/DrumSlam.cpp index 50053f3..8002ede 100755 --- a/plugins/MacAU/DrumSlam/DrumSlam.cpp +++ b/plugins/MacAU/DrumSlam/DrumSlam.cpp @@ -183,9 +183,8 @@ void DrumSlam::DrumSlamKernel::Reset() iirSampleG = 0.0; iirSampleH = 0.0; lastSample = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; + fpFlip = false; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -216,8 +215,6 @@ void DrumSlam::DrumSlamKernel::Process( const Float32 *inSourceP, Float64 out = GetParameter( kParam_Two ); Float64 wet = GetParameter( kParam_Three ); Float64 dry = 1.0 - wet; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; while (nSampleFrames-- > 0) { long double inputSample = *sourceP; @@ -320,21 +317,13 @@ void DrumSlam::DrumSlamKernel::Process( const Float32 *inSourceP, if (wet < 1.0) { inputSample = (drySample * dry)+(inputSample*wet); } - - //noise shaping to 32-bit floating point - Float32 fpTemp; - 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; sourceP += inNumChannels; |