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Diffstat (limited to 'plugins/MacAU/Calibre/Calibre.cpp')
| -rwxr-xr-x | plugins/MacAU/Calibre/Calibre.cpp | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/plugins/MacAU/Calibre/Calibre.cpp b/plugins/MacAU/Calibre/Calibre.cpp new file mode 100755 index 0000000..61fa0ef --- /dev/null +++ b/plugins/MacAU/Calibre/Calibre.cpp @@ -0,0 +1,304 @@ +/* +* File: Calibre.cpp +* +* Version: 1.0 +* +* Created: 1/11/20 +* +* Copyright: Copyright © 2020 Airwindows, All Rights Reserved +* +* Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in +* consideration of your agreement to the following terms, and your use, installation, modification +* or redistribution of this Apple software constitutes acceptance of these terms. If you do +* not agree with these terms, please do not use, install, modify or redistribute this Apple +* software. +* +* In consideration of your agreement to abide by the following terms, and subject to these terms, +* Apple grants you a personal, non-exclusive license, under Apple's copyrights in this +* original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the +* Apple Software, with or without modifications, in source and/or binary forms; provided that if you +* redistribute the Apple Software in its entirety and without modifications, you must retain this +* notice and the following text and disclaimers in all such redistributions of the Apple Software. +* Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to +* endorse or promote products derived from the Apple Software without specific prior written +* permission from Apple. Except as expressly stated in this notice, no other rights or +* licenses, express or implied, are granted by Apple herein, including but not limited to any +* patent rights that may be infringed by your derivative works or by other works in which the +* Apple Software may be incorporated. +* +* The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR +* IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY +* AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE +* OR IN COMBINATION WITH YOUR PRODUCTS. +* +* IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL +* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, +* REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER +* UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN +* IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +*/ +/*============================================================================= + Calibre.cpp + +=============================================================================*/ +#include "Calibre.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(Calibre) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::Calibre +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Calibre::Calibre(AudioUnit component) + : AUEffectBase(component) +{ + CreateElements(); + Globals()->UseIndexedParameters(kNumberOfParameters); + SetParameter(kParam_One, kDefaultValue_ParamOne ); + SetParameter(kParam_Two, kDefaultValue_ParamTwo ); + SetParameter(kParam_Three, kDefaultValue_ParamThree ); + SetParameter(kParam_Four, kDefaultValue_ParamFour ); + +#if AU_DEBUG_DISPATCHER + mDebugDispatcher = new AUDebugDispatcher (this); +#endif + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Calibre::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Calibre::GetParameterInfo(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + AudioUnitParameterInfo &outParameterInfo ) +{ + ComponentResult result = noErr; + + outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable + | kAudioUnitParameterFlag_IsReadable; + + if (inScope == kAudioUnitScope_Global) { + switch(inParameterID) + { + case kParam_One: + AUBase::FillInParameterName (outParameterInfo, kParameterOneName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamOne; + break; + case kParam_Two: + AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 3.0; + outParameterInfo.defaultValue = kDefaultValue_ParamTwo; + break; + case kParam_Three: + AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 3.0; + outParameterInfo.defaultValue = kDefaultValue_ParamThree; + break; + case kParam_Four: + AUBase::FillInParameterName (outParameterInfo, kParameterFourName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamFour; + break; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Calibre::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Calibre::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// Calibre::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Calibre::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____CalibreEffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::CalibreKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void Calibre::CalibreKernel::Reset() +{ + for(int count = 0; count < 34; count++) {b[count] = 0;} + lastSample = 0.0; + fpd = 17; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Calibre::CalibreKernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void Calibre::CalibreKernel::Process( const Float32 *inSourceP, + Float32 *inDestP, + UInt32 inFramesToProcess, + UInt32 inNumChannels, + bool &ioSilence ) +{ + UInt32 nSampleFrames = inFramesToProcess; + const Float32 *sourceP = inSourceP; + Float32 *destP = inDestP; + + Float64 threshold = GetParameter( kParam_One ); + Float64 hardness; + Float64 breakup = (1.0-(threshold/2.0))*3.14159265358979; + Float64 bridgerectifier; + Float64 sqdrive = GetParameter( kParam_Two ); + if (sqdrive > 1.0) sqdrive *= sqdrive; + sqdrive = sqrt(sqdrive); + Float64 indrive = GetParameter( kParam_Three ); + if (indrive > 1.0) indrive *= indrive; + indrive *= (1.0+(0.1935*sqdrive)); + //no gain loss of convolution for APIcolypse + //calibrate this to match noise level with character at 1.0 + //you get for instance 0.819 and 1.0-0.819 is 0.181 + Float64 randy; + Float64 outlevel = GetParameter( kParam_Four ); + + if (threshold < 1) hardness = 1.0 / (1.0-threshold); + else hardness = 999999999999999999999.0; + //set up hardness to exactly fill gap between threshold and 0db + //if threshold is literally 1 then hardness is infinite, so we make it very big + + while (nSampleFrames-- > 0) { + long double inputSample = *sourceP; + if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37; + + + inputSample = *sourceP * indrive; + //calibrated to match gain through convolution and -0.3 correction + if (sqdrive > 0.0){ + b[33] = b[32]; b[32] = b[31]; + b[31] = b[30]; b[30] = b[29]; b[29] = b[28]; b[28] = b[27]; b[27] = b[26]; b[26] = b[25]; b[25] = b[24]; b[24] = b[23]; + b[23] = b[22]; b[22] = b[21]; b[21] = b[20]; b[20] = b[19]; b[19] = b[18]; b[18] = b[17]; b[17] = b[16]; b[16] = b[15]; + b[15] = b[14]; b[14] = b[13]; b[13] = b[12]; b[12] = b[11]; b[11] = b[10]; b[10] = b[9]; b[9] = b[8]; b[8] = b[7]; + b[7] = b[6]; b[6] = b[5]; b[5] = b[4]; b[4] = b[3]; b[3] = b[2]; b[2] = b[1]; b[1] = b[0]; b[0] = inputSample * sqdrive; + inputSample -= (b[1] * (0.23505923670562212 - (0.00028312859289245*fabs(b[1])))); + inputSample += (b[2] * (0.08188436704577637 - (0.00008817721351341*fabs(b[2])))); + inputSample -= (b[3] * (0.05075798481700617 - (0.00018817166632483*fabs(b[3])))); + inputSample -= (b[4] * (0.00455811821873093 + (0.00001922902995296*fabs(b[4])))); + inputSample -= (b[5] * (0.00027610521433660 - (0.00013252525469291*fabs(b[5])))); + inputSample -= (b[6] * (0.03529246280346626 - (0.00002772989223299*fabs(b[6])))); + inputSample += (b[7] * (0.01784111585586136 + (0.00010230276997291*fabs(b[7])))); + inputSample -= (b[8] * (0.04394950700298298 - (0.00005910607126944*fabs(b[8])))); + inputSample += (b[9] * (0.01990770780547606 + (0.00007640328340556*fabs(b[9])))); + inputSample -= (b[10] * (0.04073629569741782 - (0.00007712327117090*fabs(b[10])))); + inputSample += (b[11] * (0.01349648572795252 + (0.00005959130575917*fabs(b[11])))); + inputSample -= (b[12] * (0.03191590248003717 - (0.00008418000575151*fabs(b[12])))); + inputSample += (b[13] * (0.00348795527924766 + (0.00005489156318238*fabs(b[13])))); + inputSample -= (b[14] * (0.02198496281481767 - (0.00008471601187581*fabs(b[14])))); + inputSample -= (b[15] * (0.00504771152505089 - (0.00005525060587917*fabs(b[15])))); + inputSample -= (b[16] * (0.01391075698598491 - (0.00007929630732607*fabs(b[16])))); + inputSample -= (b[17] * (0.01142762504081717 - (0.00005967036737742*fabs(b[17])))); + inputSample -= (b[18] * (0.00893541815021255 - (0.00007535697758141*fabs(b[18])))); + inputSample -= (b[19] * (0.01459704973464936 - (0.00005969199602841*fabs(b[19])))); + inputSample -= (b[20] * (0.00694755135226282 - (0.00006930127097865*fabs(b[20])))); + inputSample -= (b[21] * (0.01516695630808575 - (0.00006365800069826*fabs(b[21])))); + inputSample -= (b[22] * (0.00705917318113651 - (0.00006497209096539*fabs(b[22])))); + inputSample -= (b[23] * (0.01420501209177591 - (0.00006555654576113*fabs(b[23])))); + inputSample -= (b[24] * (0.00815905656808701 - (0.00006105622534761*fabs(b[24])))); + inputSample -= (b[25] * (0.01274326525552961 - (0.00006542652857017*fabs(b[25])))); + inputSample -= (b[26] * (0.00937146927845488 - (0.00006051267868722*fabs(b[26])))); + inputSample -= (b[27] * (0.01146573981165209 - (0.00006381511607749*fabs(b[27])))); + inputSample -= (b[28] * (0.01021294359409007 - (0.00005930397856398*fabs(b[28])))); + inputSample -= (b[29] * (0.01065217095323532 - (0.00006371505438319*fabs(b[29])))); + inputSample -= (b[30] * (0.01058751196699751 - (0.00006042857480233*fabs(b[30])))); + inputSample -= (b[31] * (0.01026557827762401 - (0.00006007776163871*fabs(b[31])))); + inputSample -= (b[32] * (0.01060929183604604 - (0.00006114703012726*fabs(b[32])))); + inputSample -= (b[33] * (0.01014533525058528 - (0.00005963567932887*fabs(b[33]))));} + + if (fabs(inputSample) > threshold) + { + bridgerectifier = (fabs(inputSample)-threshold)*hardness; + //skip flat area if any, scale to distortion limit + if (bridgerectifier > breakup) bridgerectifier = breakup; + //max value for sine function, 'breakup' modeling for trashed console tone + //more hardness = more solidness behind breakup modeling. more softness, more 'grunge' and sag + bridgerectifier = sin(bridgerectifier)/hardness; + //do the sine factor, scale back to proper amount + if (inputSample > 0) inputSample = bridgerectifier+threshold; + else inputSample = -(bridgerectifier+threshold); + } + //otherwise we leave it untouched by the overdrive stuff + randy = ((rand()/(double)RAND_MAX)*0.042); + inputSample = ((inputSample*(1-randy))+(lastSample*randy)) * outlevel; + lastSample = inputSample; + + + + + + + //begin 32 bit floating point dither + int expon; frexpf((float)inputSample, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSample += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + //end 32 bit floating point dither + + *destP = inputSample; + + sourceP += inNumChannels; destP += inNumChannels; + } +} + |