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Diffstat (limited to 'plugins/MacAU/Elation/Elation.cpp')
| -rwxr-xr-x | plugins/MacAU/Elation/Elation.cpp | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/plugins/MacAU/Elation/Elation.cpp b/plugins/MacAU/Elation/Elation.cpp new file mode 100755 index 0000000..6af1038 --- /dev/null +++ b/plugins/MacAU/Elation/Elation.cpp @@ -0,0 +1,355 @@ +/* +* File: Elation.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. +* +*/ +/*============================================================================= + Elation.cpp + +=============================================================================*/ +#include "Elation.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(Elation) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::Elation +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Elation::Elation(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 + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Elation::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Elation::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; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Elation::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Elation::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// Elation::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Elation::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____ElationEffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::ElationKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void Elation::ElationKernel::Reset() +{ + for(int count = 0; count < 34; count++) {b[count] = 0;} + compA = 1.0; compB = 1.0; flip = false; previous = 0.0; + compC = 1.0; compD = 1.0; previousB = 0.0; + lastSample = 0.0; + fpd = 17; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Elation::ElationKernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void Elation::ElationKernel::Process( const Float32 *inSourceP, + Float32 *inDestP, + UInt32 inFramesToProcess, + UInt32 inNumChannels, + bool &ioSilence ) +{ + UInt32 nSampleFrames = inFramesToProcess; + const Float32 *sourceP = inSourceP; + Float32 *destP = inDestP; + + Float64 wet = GetParameter( kParam_One ); + Float64 sqdrive = GetParameter( kParam_Two ); + if (sqdrive > 1.0) sqdrive *= sqdrive; + sqdrive = sqrt(sqdrive); + Float64 indrive = GetParameter( kParam_Three ); + Float64 compthreshold = (6.0 - indrive)/6.0; + Float64 recoveryspd = indrive / 32.0; + if (indrive > 1.0) indrive *= indrive; + indrive *= (1.0+(0.226*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 ); + Float64 threshSample; + Float64 abSample; + Float64 outputSample; + + while (nSampleFrames-- > 0) { + long double inputSample = *sourceP; + if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37; + double drySample = inputSample; + + inputSample *= indrive; + + abSample = fabs(inputSample); + if (abSample > previous) threshSample = previous; + else threshSample = abSample; + //calibrated to match gain through convolution and -0.3 correction + //quick lil compression + if (threshSample > 2.0) + { + compA = (compA + (1.0 / threshSample)) / 2.0; + compB = (compB + (1.0 / threshSample)) / 2.0; + } + + if (flip) + { + inputSample *= compA; + threshSample *= compA; + if (threshSample > compthreshold) + {compA = (compA + compA + (compthreshold / threshSample)) / 3.0;} + else + {if (compA < 1.0) compA += pow((1.0-compA)*recoveryspd,7);} + } + else + { + inputSample *= compB; + threshSample *= compB; + if (threshSample > compthreshold) + {compB = (compB + compB + (compthreshold / threshSample)) / 3.0;} + else + {if (compB < 1.0) compB += pow((1.0-compB)*recoveryspd,7);} + } + previous = abSample; + //now the convolution + 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] * (0.25867935358656502 - (0.00045755657070112*fabs(b[1]))))*threshold); + inputSample -= (b[1] * (0.25867935358656502 - (0.00045755657070112*fabs(b[1])))); + inputSample += (b[2] * (0.11509367290253694 - (0.00017494270657228*fabs(b[2])))); + inputSample -= (b[3] * (0.06709853575891785 - (0.00058913102597723*fabs(b[3])))); + inputSample += (b[4] * (0.01871006356851681 - (0.00003387358004645*fabs(b[4])))); + inputSample -= (b[5] * (0.00794797957360465 - (0.00044224784691203*fabs(b[5])))); + inputSample -= (b[6] * (0.01956921817394220 - (0.00006718936750076*fabs(b[6])))); + inputSample += (b[7] * (0.01682120257195205 + (0.00032857446292230*fabs(b[7])))); + inputSample -= (b[8] * (0.03401069039824205 - (0.00013634182872897*fabs(b[8])))); + inputSample += (b[9] * (0.02369950268232634 + (0.00023112685751657*fabs(b[9])))); + inputSample -= (b[10] * (0.03477071178117132 - (0.00018029792231600*fabs(b[10])))); + inputSample += (b[11] * (0.02024369717958201 + (0.00017337813374202*fabs(b[11])))); + inputSample -= (b[12] * (0.02819087729102172 - (0.00021438538665420*fabs(b[12])))); + inputSample += (b[13] * (0.01147946743141303 + (0.00014424066034649*fabs(b[13])))); + inputSample -= (b[14] * (0.01894777011468867 - (0.00021549146262408*fabs(b[14])))); + inputSample += (b[15] * (0.00301370330346873 + (0.00013527460148394*fabs(b[15])))); + inputSample -= (b[16] * (0.01067147835815486 - (0.00020960689910868*fabs(b[16])))); + inputSample -= (b[17] * (0.00402715397506384 - (0.00014421582712470*fabs(b[17])))); + inputSample -= (b[18] * (0.00502221703392005 - (0.00019805767015024*fabs(b[18])))); + inputSample -= (b[19] * (0.00808788533308497 - (0.00016095444141931*fabs(b[19])))); + inputSample -= (b[20] * (0.00232696588842683 - (0.00018384470981829*fabs(b[20])))); + inputSample -= (b[21] * (0.00943950821324531 - (0.00017098987347593*fabs(b[21])))); + inputSample -= (b[22] * (0.00193709517200834 - (0.00018151995939591*fabs(b[22])))); + inputSample -= (b[23] * (0.00899713952612659 - (0.00017385835059948*fabs(b[23])))); + inputSample -= (b[24] * (0.00280584331659089 - (0.00017742164162470*fabs(b[24])))); + inputSample -= (b[25] * (0.00780381001954970 - (0.00018002500755708*fabs(b[25])))); + inputSample -= (b[26] * (0.00400370310490333 - (0.00017471691087957*fabs(b[26])))); + inputSample -= (b[27] * (0.00661527728186928 - (0.00018137323370347*fabs(b[27])))); + inputSample -= (b[28] * (0.00496545526864518 - (0.00017681872601767*fabs(b[28])))); + inputSample -= (b[29] * (0.00580728820997532 - (0.00018186220389790*fabs(b[29])))); + inputSample -= (b[30] * (0.00549309984725666 - (0.00017722985399075*fabs(b[30])))); + inputSample -= (b[31] * (0.00542194777529239 - (0.00018486900185338*fabs(b[31])))); + inputSample -= (b[32] * (0.00565992080998939 - (0.00018005824393118*fabs(b[32])))); + inputSample -= (b[33] * (0.00532121562846656 - (0.00018643189636216*fabs(b[33]))));} + //we apply the first samples of the impulse- dynamically adjusted. + + abSample = fabs(inputSample); + if (abSample > previousB) threshSample = previousB; + else threshSample = abSample; + //calibrated to match gain through convolution and -0.3 correction + //quick lil compression + if (threshSample > 2.0) + { + compC = (compC + (1.0 / threshSample)) / 2.0; + compD = (compD + (1.0 / threshSample)) / 2.0; + } + + if (flip) + { + inputSample *= compC; + threshSample *= compC; + if (threshSample > compthreshold) + {compC = (compC + compC + (compthreshold / threshSample)) / 3.0;} + else + {if (compC < 1.0) compC += pow((1.0-compC)*recoveryspd,7);} + } + else + { + inputSample *= compD; + threshSample *= compD; + if (threshSample > compthreshold) + {compD = (compD + compD + (compthreshold / threshSample)) / 3.0;} + else + {if (compD < 1.0) compD += pow((1.0-compD)*recoveryspd,7);} + } + previousB = abSample; + //another dose of compression, please + + flip = !flip; + + randy = ((rand()/(double)RAND_MAX)*0.054); + + outputSample = ((((inputSample*(1-randy))+(lastSample*randy))*wet)+(drySample*(1.0-wet))) * outlevel; + lastSample = inputSample; + + inputSample = outputSample; + + //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; + } +} + |