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Diffstat (limited to 'plugins/MacAU/ToTape6/ToTape6.cpp')
-rwxr-xr-x | plugins/MacAU/ToTape6/ToTape6.cpp | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/plugins/MacAU/ToTape6/ToTape6.cpp b/plugins/MacAU/ToTape6/ToTape6.cpp new file mode 100755 index 0000000..1291f73 --- /dev/null +++ b/plugins/MacAU/ToTape6/ToTape6.cpp @@ -0,0 +1,429 @@ +/* +* File: ToTape6.cpp +* +* Version: 1.0 +* +* Created: 11/30/19 +* +* Copyright: Copyright © 2019 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. +* +*/ +/*============================================================================= + ToTape6.cpp + +=============================================================================*/ +#include "ToTape6.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(ToTape6) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::ToTape6 +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ToTape6::ToTape6(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 ); + SetParameter(kParam_Five, kDefaultValue_ParamFive ); + SetParameter(kParam_Six, kDefaultValue_ParamSix ); + +#if AU_DEBUG_DISPATCHER + mDebugDispatcher = new AUDebugDispatcher (this); +#endif + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ToTape6::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ToTape6::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_Decibels; + outParameterInfo.minValue = -12.0; + outParameterInfo.maxValue = 12.0; + outParameterInfo.defaultValue = kDefaultValue_ParamOne; + break; + case kParam_Two: + AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamTwo; + break; + case kParam_Three: + AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + 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; + case kParam_Five: + AUBase::FillInParameterName (outParameterInfo, kParameterFiveName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Decibels; + outParameterInfo.minValue = -12.0; + outParameterInfo.maxValue = 12.0; + outParameterInfo.defaultValue = kDefaultValue_ParamFive; + break; + case kParam_Six: + AUBase::FillInParameterName (outParameterInfo, kParameterSixName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamSix; + break; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ToTape6::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ToTape6::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// ToTape6::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ToTape6::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____ToTape6EffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::ToTape6Kernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void ToTape6::ToTape6Kernel::Reset() +{ + iirMidRollerA = 0.0; + iirMidRollerB = 0.0; + iirHeadBumpA = 0.0; + iirHeadBumpB = 0.0; + for (int x = 0; x < 9; x++) {biquadA[x] = 0.0;biquadB[x] = 0.0;biquadC[x] = 0.0;biquadD[x] = 0.0;} + flip = false; + for (int temp = 0; temp < 501; temp++) {d[temp] = 0.0;} + gcount = 0; + sweep = pi; + rateof = 0.5; + nextmax = 0.5; + lastSample = 0.0; + fpd = 17; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ToTape6::ToTape6Kernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void ToTape6::ToTape6Kernel::Process( const Float32 *inSourceP, + Float32 *inDestP, + UInt32 inFramesToProcess, + UInt32 inNumChannels, + bool &ioSilence ) +{ + UInt32 nSampleFrames = inFramesToProcess; + const Float32 *sourceP = inSourceP; + Float32 *destP = inDestP; + long double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= GetSampleRate(); + + Float64 inputgain = pow(10.0,GetParameter( kParam_One )/20.0); + Float64 SoftenControl = pow(GetParameter( kParam_Two ),2); + Float64 RollAmount = (1.0-(SoftenControl * 0.45))/overallscale; + Float64 HeadBumpControl = GetParameter( kParam_Three ) * 0.25 * inputgain; + Float64 HeadBumpFreq = 0.12/overallscale; + //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist + //[1] is resonance, 0.7071 is Butterworth. Also can't be zero + biquadA[0] = biquadB[0] = 0.007/overallscale; + biquadA[1] = biquadB[1] = 0.0009; + double K = tan(M_PI * biquadB[0]); + double norm = 1.0 / (1.0 + K / biquadB[1] + K * K); + biquadA[2] = biquadB[2] = K / biquadB[1] * norm; + biquadA[4] = biquadB[4] = -biquadB[2]; + biquadA[5] = biquadB[5] = 2.0 * (K * K - 1.0) * norm; + biquadA[6] = biquadB[6] = (1.0 - K / biquadB[1] + K * K) * norm; + + biquadC[0] = biquadD[0] = 0.032/overallscale; + biquadC[1] = biquadD[1] = 0.0007; + K = tan(M_PI * biquadD[0]); + norm = 1.0 / (1.0 + K / biquadD[1] + K * K); + biquadC[2] = biquadD[2] = K / biquadD[1] * norm; + biquadC[4] = biquadD[4] = -biquadD[2]; + biquadC[5] = biquadD[5] = 2.0 * (K * K - 1.0) * norm; + biquadC[6] = biquadD[6] = (1.0 - K / biquadD[1] + K * K) * norm; + + Float64 depth = pow(GetParameter( kParam_Four ),2)*overallscale*70; + Float64 fluttertrim = (0.0024*pow(GetParameter( kParam_Four ),2))/overallscale; + Float64 outputgain = pow(10.0,GetParameter( kParam_Five )/20.0); + + Float64 refclip = 0.99; + Float64 softness = 0.618033988749894848204586; + + Float64 wet = GetParameter( kParam_Six ); + + while (nSampleFrames-- > 0) { + long double inputSample = *sourceP; + if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37; + long double drySample = inputSample; + + Float64 flutterrandy = fpd / (double)UINT32_MAX; + //now we've got a random flutter, so we're messing with the pitch before tape effects go on + if (gcount < 0 || gcount > 499) {gcount = 499;} + d[gcount] = inputSample; + int count = gcount; + if (depth != 0.0) { + + long double offset = depth + (depth * pow(rateof,2) * sin(sweep)); + + count += (int)floor(offset); + inputSample = (d[count-((count > 499)?500:0)] * (1-(offset-floor(offset))) ); + inputSample += (d[count+1-((count+1 > 499)?500:0)] * (offset-floor(offset)) ); + + rateof = (rateof * (1.0-fluttertrim)) + (nextmax * fluttertrim); + sweep += rateof * fluttertrim; + + if (sweep >= (pi*2.0)) { + sweep -= pi; + nextmax = 0.24 + (flutterrandy * 0.74); + } + //apply to input signal only when flutter is present, interpolate samples + } + gcount--; + + long double vibDrySample = inputSample; + long double HighsSample = 0.0; + long double NonHighsSample = 0.0; + long double tempSample; + + if (flip) + { + iirMidRollerA = (iirMidRollerA * (1.0 - RollAmount)) + (inputSample * RollAmount); + HighsSample = inputSample - iirMidRollerA; + NonHighsSample = iirMidRollerA; + + iirHeadBumpA += (inputSample * 0.05); + iirHeadBumpA -= (iirHeadBumpA * iirHeadBumpA * iirHeadBumpA * HeadBumpFreq); + iirHeadBumpA = sin(iirHeadBumpA); + tempSample = (iirHeadBumpA * biquadA[2]) + biquadA[7]; + biquadA[7] = (iirHeadBumpA * biquadA[3]) - (tempSample * biquadA[5]) + biquadA[8]; + biquadA[8] = (iirHeadBumpA * biquadA[4]) - (tempSample * biquadA[6]); + iirHeadBumpA = tempSample; //interleaved biquad + if (iirHeadBumpA > 1.0) iirHeadBumpA = 1.0; + if (iirHeadBumpA < -1.0) iirHeadBumpA = -1.0; + iirHeadBumpA = asin(iirHeadBumpA); + + inputSample = sin(inputSample); + tempSample = (inputSample * biquadC[2]) + biquadC[7]; + biquadC[7] = (inputSample * biquadC[3]) - (tempSample * biquadC[5]) + biquadC[8]; + biquadC[8] = (inputSample * biquadC[4]) - (tempSample * biquadC[6]); + inputSample = tempSample; //interleaved biquad + if (inputSample > 1.0) inputSample = 1.0; + if (inputSample < -1.0) inputSample = -1.0; + inputSample = asin(inputSample); + } else { + iirMidRollerB = (iirMidRollerB * (1.0 - RollAmount)) + (inputSample * RollAmount); + HighsSample = inputSample - iirMidRollerB; + NonHighsSample = iirMidRollerB; + + iirHeadBumpB += (inputSample * 0.05); + iirHeadBumpB -= (iirHeadBumpB * iirHeadBumpB * iirHeadBumpB * HeadBumpFreq); + iirHeadBumpB = sin(iirHeadBumpB); + tempSample = (iirHeadBumpB * biquadB[2]) + biquadB[7]; + biquadB[7] = (iirHeadBumpB * biquadB[3]) - (tempSample * biquadB[5]) + biquadB[8]; + biquadB[8] = (iirHeadBumpB * biquadB[4]) - (tempSample * biquadB[6]); + iirHeadBumpB = tempSample; //interleaved biquad + if (iirHeadBumpB > 1.0) iirHeadBumpB = 1.0; + if (iirHeadBumpB < -1.0) iirHeadBumpB = -1.0; + iirHeadBumpB = asin(iirHeadBumpB); + + inputSample = sin(inputSample); + tempSample = (inputSample * biquadD[2]) + biquadD[7]; + biquadD[7] = (inputSample * biquadD[3]) - (tempSample * biquadD[5]) + biquadD[8]; + biquadD[8] = (inputSample * biquadD[4]) - (tempSample * biquadD[6]); + inputSample = tempSample; //interleaved biquad + if (inputSample > 1.0) inputSample = 1.0; + if (inputSample < -1.0) inputSample = -1.0; + inputSample = asin(inputSample); + } + flip = !flip; + + long double groundSample = vibDrySample - inputSample; //set up UnBox on fluttered audio + + if (inputgain != 1.0) { + inputSample *= inputgain; + } //gain boost inside UnBox/Mojo + + long double applySoften = fabs(HighsSample)*1.57079633; + if (applySoften > 1.57079633) applySoften = 1.57079633; + applySoften = 1-cos(applySoften); + if (HighsSample > 0) inputSample -= applySoften; + if (HighsSample < 0) inputSample += applySoften; + //apply Soften depending on polarity + + if (fabs(inputSample) < 0.0025) { + iirHeadBumpA *= 0.99; + iirHeadBumpB *= 0.99; + } //restrain resonant quality of head bump algorithm + inputSample += ((iirHeadBumpA + iirHeadBumpB) * HeadBumpControl); + //apply Fatten. + + if (inputSample > 1.0) inputSample = 1.0; + if (inputSample < -1.0) inputSample = -1.0; + long double mojo; mojo = pow(fabs(inputSample),0.25); + if (mojo > 0.0) inputSample = (sin(inputSample * mojo * M_PI * 0.5) / mojo); + //mojo is the one that flattens WAAAAY out very softly before wavefolding + + inputSample += groundSample; //apply UnBox processing + + if (outputgain != 1.0) { + inputSample *= outputgain; + } + + + if (lastSample >= refclip) + { + if (inputSample < refclip) lastSample = ((refclip*softness) + (inputSample * (1.0-softness))); + else lastSample = refclip; + } + + if (lastSample <= -refclip) + { + if (inputSample > -refclip) lastSample = ((-refclip*softness) + (inputSample * (1.0-softness))); + else lastSample = -refclip; + } + + if (inputSample > refclip) + { + if (lastSample < refclip) inputSample = ((refclip*softness) + (lastSample * (1.0-softness))); + else inputSample = refclip; + } + + if (inputSample < -refclip) + { + if (lastSample > -refclip) inputSample = ((-refclip*softness) + (lastSample * (1.0-softness))); + else inputSample = -refclip; + } + lastSample = inputSample; + + if (inputSample > refclip) inputSample = refclip; + if (inputSample < -refclip) inputSample = -refclip; + //final iron bar + + if (wet !=1.0) { + inputSample = (inputSample * wet) + (drySample * (1.0 - wet)); + } + + //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; + } +} + |