/* * File: EveryConsole.cpp * * Version: 1.0 * * Created: 7/24/23 * * Copyright: Copyright © 2023 Airwindows, Airwindows uses the MIT license * * 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. 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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. * */ /*============================================================================= EveryConsole.cpp =============================================================================*/ #include "EveryConsole.h" //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ COMPONENT_ENTRY(EveryConsole) //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::EveryConsole //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ EveryConsole::EveryConsole(AudioUnit component) : AUEffectBase(component) { CreateElements(); Globals()->UseIndexedParameters(kNumberOfParameters); SetParameter(kParam_One, kDefaultValue_ParamOne ); SetParameter(kParam_Two, kDefaultValue_ParamTwo ); SetParameter(kParam_Three, kDefaultValue_ParamThree ); #if AU_DEBUG_DISPATCHER mDebugDispatcher = new AUDebugDispatcher (this); #endif } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::GetParameterValueStrings //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult EveryConsole::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_RC, kMenuItem_RB, kMenuItem_SC, kMenuItem_SB, kMenuItem_6C, kMenuItem_6B, kMenuItem_7C, kMenuItem_7B, kMenuItem_BC, kMenuItem_BB, kMenuItem_ZC, kMenuItem_ZB, }; *outStrings = CFArrayCreate ( NULL, (const void **) strings, (sizeof (strings) / sizeof (strings [0])), NULL ); return noErr; } return kAudioUnitErr_InvalidProperty; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::GetParameterInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult EveryConsole::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 = kRC; outParameterInfo.maxValue = kZB; outParameterInfo.defaultValue = kDefaultValue_ParamOne; break; case kParam_Two: AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 2.0; outParameterInfo.defaultValue = kDefaultValue_ParamTwo; break; case kParam_Three: AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 2.0; outParameterInfo.defaultValue = kDefaultValue_ParamThree; break; default: result = kAudioUnitErr_InvalidParameter; break; } } else { result = kAudioUnitErr_InvalidParameter; } return result; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::GetPropertyInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult EveryConsole::GetPropertyInfo (AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32 & outDataSize, Boolean & outWritable) { return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::GetProperty //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult EveryConsole::GetProperty( AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void * outData ) { return AUEffectBase::GetProperty (inID, inScope, inElement, outData); } // EveryConsole::Initialize //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult EveryConsole::Initialize() { ComponentResult result = AUEffectBase::Initialize(); if (result == noErr) Reset(kAudioUnitScope_Global, 0); return result; } #pragma mark ____EveryConsoleEffectKernel //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::EveryConsoleKernel::Reset() //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void EveryConsole::EveryConsoleKernel::Reset() { fpd = 1.0; while (fpd < 16386) fpd = rand()*UINT32_MAX; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // EveryConsole::EveryConsoleKernel::Process //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void EveryConsole::EveryConsoleKernel::Process( const Float32 *inSourceP, Float32 *inDestP, UInt32 inFramesToProcess, UInt32 inNumChannels, bool &ioSilence ) { UInt32 nSampleFrames = inFramesToProcess; const Float32 *sourceP = inSourceP; Float32 *destP = inDestP; double half = 0.0; double falf = 0.0; int console = (int) GetParameter( kParam_One ); Float64 inTrim = GetParameter( kParam_Two ); //0-2 Float64 outTrim = GetParameter( kParam_Three ); while (nSampleFrames-- > 0) { double inputSample = *sourceP; if (fabs(inputSample)<1.18e-23) inputSample = fpd * 1.18e-17; if (inTrim != 1.0) { inputSample *= inTrim; } switch (console) { case kRC: half = inputSample * 0.83; falf = fabs(half); half *= falf; half *= falf; inputSample -= half; break; //original ConsoleChannel, before sin/asin case kRB: half = inputSample * 0.885; falf = fabs(half); half *= falf; half *= falf; inputSample += half; break; //original ConsoleBuss, before sin/asin case kSC: if (inputSample > M_PI_2) inputSample = M_PI_2; if (inputSample < -M_PI_2) inputSample = -M_PI_2; //clip to max sine without any wavefolding inputSample = sin(inputSample); break; //sin() function ConsoleChannel case kSB: if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSample = asin(inputSample); break; //sin() function ConsoleBuss case k6C: //encode/decode courtesy of torridgristle under the MIT license if (inputSample > 1.0) inputSample= 1.0; else if (inputSample > 0.0) inputSample = 1.0 - pow(1.0-inputSample,2.0); if (inputSample < -1.0) inputSample = -1.0; else if (inputSample < 0.0) inputSample = -1.0 + pow(1.0+inputSample,2.0); //Inverse Square 1-(1-x)^2 and 1-(1-x)^0.5 for Console6Channel break; //crude sine. Note that because modern processors love math more than extra variables, this is optimized case k6B: //encode/decode courtesy of torridgristle under the MIT license if (inputSample > 1.0) inputSample= 1.0; else if (inputSample > 0.0) inputSample = 1.0 - pow(1.0-inputSample,0.5); if (inputSample < -1.0) inputSample = -1.0; else if (inputSample < 0.0) inputSample = -1.0 + pow(1.0+inputSample,0.5); //Inverse Square 1-(1-x)^2 and 1-(1-x)^0.5 for Console6Buss break; //crude arcsine. Note that because modern processors love math more than extra variables, this is optimized case k7C: if (inputSample > 1.097) inputSample = 1.097; if (inputSample < -1.097) inputSample = -1.097; inputSample = ((sin(inputSample*fabs(inputSample))/((fabs(inputSample) == 0.0) ?1:fabs(inputSample)))*0.8)+(sin(inputSample)*0.2); //this is a version of Spiral blended 80/20 with regular Density. //It's blending between two different harmonics in the overtones of the algorithm break; //Console7Channel case k7B: if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0; inputSample = ((asin(inputSample*fabs(inputSample))/((fabs(inputSample) == 0.0) ?1:fabs(inputSample)))*0.618033988749894848204586)+(asin(inputSample)*0.381966011250105); //this is an asin version of Spiral blended with regular asin ConsoleBuss. //It's blending between two different harmonics in the overtones of the algorithm. break; //Console7Buss case kBC: inputSample += ((pow(inputSample,5)/128.0) + (pow(inputSample,9)/262144.0)) - ((pow(inputSample,3)/8.0) + (pow(inputSample,7)/4096.0)); break; //crude sine. Note that because modern processors love math more than extra variables, this is optimized case kBB: inputSample += (pow(inputSample,3)/4.0)+(pow(inputSample,5)/8.0)+(pow(inputSample,7)/16.0)+(pow(inputSample,9)/32.0); break; //crude arcsine. Note that because modern processors love math more than extra variables, this is optimized case kZC: if (inputSample > 1.4137166941154) inputSample = 1.4137166941154; if (inputSample < -1.4137166941154) inputSample = -1.4137166941154; if (inputSample > 0.0) inputSample = (inputSample/2.0)*(2.8274333882308-inputSample); else inputSample = -(inputSample/-2.0)*(2.8274333882308+inputSample); break; //ConsoleZeroChannel case kZB: if (inputSample > 2.8) inputSample = 2.8; if (inputSample < -2.8) inputSample = -2.8; if (inputSample > 0.0) inputSample = (inputSample*2.0)/(3.0-inputSample); else inputSample = -(inputSample*-2.0)/(3.0+inputSample); break; //ConsoleZeroBuss } if (outTrim != 1.0) { inputSample *= outTrim; } //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; } }