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Diffstat (limited to 'plugins/MacAU/ElectroHat/ElectroHat.cpp')
| -rwxr-xr-x | plugins/MacAU/ElectroHat/ElectroHat.cpp | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/plugins/MacAU/ElectroHat/ElectroHat.cpp b/plugins/MacAU/ElectroHat/ElectroHat.cpp new file mode 100755 index 0000000..6fd2b29 --- /dev/null +++ b/plugins/MacAU/ElectroHat/ElectroHat.cpp @@ -0,0 +1,339 @@ +/* +* File: ElectroHat.cpp +* +* Version: 1.0 +* +* Created: 9/15/14 +* +* Copyright: Copyright © 2014 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. +* +*/ +/*============================================================================= + ElectroHat.cpp + +=============================================================================*/ +#include "ElectroHat.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(ElectroHat) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::ElectroHat +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ElectroHat::ElectroHat(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 ); + +#if AU_DEBUG_DISPATCHER + mDebugDispatcher = new AUDebugDispatcher (this); +#endif + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ElectroHat::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + if ((inScope == kAudioUnitScope_Global) && (inParameterID == kParam_One)) //ID must be actual name of parameter identifier, not number + { + if (outStrings == NULL) return noErr; + CFStringRef strings [] = + { + kMenuItem_SynHat, + kMenuItem_ElectroHat, + kMenuItem_DenseHat, + kMenuItem_606Hat, + kMenuItem_808Hat, + kMenuItem_909Hat, + }; + *outStrings = CFArrayCreate ( + NULL, + (const void **) strings, + (sizeof (strings) / sizeof (strings [0])), + NULL + ); + return noErr; + } + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ElectroHat::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_Indexed; + outParameterInfo.minValue = kSynHat; + outParameterInfo.maxValue = k909Hat; + 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_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamFive; + break; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ElectroHat::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ElectroHat::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// ElectroHat::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ElectroHat::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____ElectroHatEffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::ElectroHatKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void ElectroHat::ElectroHatKernel::Reset() +{ + storedSample = 0.0; + lastSample = 0.0; + tik = 3746926; + lok = 0; + flip = true; + fpNShapeA = 0.0; + fpNShapeB = 0.0; + fpFlip = true; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ElectroHat::ElectroHatKernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void ElectroHat::ElectroHatKernel::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(); + bool highSample = false; + if (GetSampleRate() > 64000) highSample = true; + //we will go to another dither for 88 and 96K + Float64 inputSample; + Float64 tempSample; + Float64 drySample; + int deSyn = GetParameter( kParam_One ); + Float64 increment = GetParameter( kParam_Two ); + Float64 brighten = GetParameter( kParam_Three ); + Float64 outputlevel = GetParameter( kParam_Four ); + Float64 wet = GetParameter( kParam_Five ); + Float64 dry = 1.0-wet; + + if (deSyn == 4) {deSyn = 1; increment = 0.411; brighten = 0.87;} + //606 preset + if (deSyn == 5) {deSyn = 2; increment = 0.111; brighten = 1.0;} + //808 preset + if (deSyn == 6) {deSyn = 2; increment = 0.299; brighten = 0.359;} + //909 preset + int tok = deSyn + 1; + increment *= 0.98; + increment += 0.01; + increment += (Float64)tok; + Float64 fosA = increment; + Float64 fosB = fosA * increment; + Float64 fosC = fosB * increment; + Float64 fosD = fosC * increment; + Float64 fosE = fosD * increment; + Float64 fosF = fosE * increment; + int posA = fosA; + int posB = fosB; + int posC = fosC; + int posD = fosD; + int posE = fosE; + int posF = fosF; + int posG = posF*posE*posD*posC*posB; //factorial + Float32 fpTemp; + Float64 fpOld = 0.618033988749894848204586; //golden ratio! + Float64 fpNew = 1.0 - fpOld; + + + while (nSampleFrames-- > 0) { + inputSample = *sourceP; + drySample = inputSample; + + inputSample = fabs(inputSample)*outputlevel; + + if (flip) { //will always be true unless we have high sample rate + tik++; + tik = tik % posG; + tok = tik * tik; tok = tok % posF; + tok *= tok; tok = tok % posE; + tok *= tok; tok = tok % posD; + tok *= tok; tok = tok % posC; + tok *= tok; tok = tok % posB; + tok *= tok; tok = tok % posA; + inputSample = tok*inputSample; + if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSample = -tok*inputSample;} + if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSample = -tok*inputSample;} + if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSample = -tok*inputSample;} + lok = tok; + tempSample = inputSample; + inputSample = inputSample - (lastSample*brighten); + lastSample = tempSample; + } else { //we have high sample rate and this is an interpolate sample + inputSample = lastSample; + //not really interpolating, just sample-and-hold + } + + if (highSample) { + flip = !flip; + } else { + flip = true; + } + + tempSample = inputSample; + inputSample += storedSample; + storedSample = tempSample; + + if (wet !=1.0) { + inputSample = (inputSample * wet) + (drySample * dry); + } + + //noise shaping to 32-bit floating point + 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 + + *destP = inputSample; + //moving average combats that near-Nyquist stuff + sourceP += inNumChannels; destP += inNumChannels; + } +} + |