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Diffstat (limited to 'plugins/MacAU/BassDrive/BassDrive.cpp')
| -rwxr-xr-x | plugins/MacAU/BassDrive/BassDrive.cpp | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/plugins/MacAU/BassDrive/BassDrive.cpp b/plugins/MacAU/BassDrive/BassDrive.cpp new file mode 100755 index 0000000..4e96d70 --- /dev/null +++ b/plugins/MacAU/BassDrive/BassDrive.cpp @@ -0,0 +1,400 @@ +/* +* File: BassDrive.cpp +* +* Version: 1.0 +* +* Created: 5/24/19 +* +* 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. +* +*/ +/*============================================================================= + BassDrive.cpp + +=============================================================================*/ +#include "BassDrive.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(BassDrive) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::BassDrive +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +BassDrive::BassDrive(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 + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult BassDrive::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult BassDrive::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 = 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; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult BassDrive::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult BassDrive::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// BassDrive::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult BassDrive::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____BassDriveEffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::BassDriveKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void BassDrive::BassDriveKernel::Reset() +{ + for (int fcount = 0; fcount < 7; fcount++) + { + presenceInA[fcount] = 0.0; + presenceOutA[fcount] = 0.0; + highInA[fcount] = 0.0; + highOutA[fcount] = 0.0; + midInA[fcount] = 0.0; + midOutA[fcount] = 0.0; + lowInA[fcount] = 0.0; + lowOutA[fcount] = 0.0; + presenceInB[fcount] = 0.0; + presenceOutB[fcount] = 0.0; + highInB[fcount] = 0.0; + highOutB[fcount] = 0.0; + midInB[fcount] = 0.0; + midOutB[fcount] = 0.0; + lowInB[fcount] = 0.0; + lowOutB[fcount] = 0.0; + } + flip = false; + fpd = 17; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// BassDrive::BassDriveKernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void BassDrive::BassDriveKernel::Process( const Float32 *inSourceP, + Float32 *inDestP, + UInt32 inFramesToProcess, + UInt32 inNumChannels, + bool &ioSilence ) +{ + UInt32 nSampleFrames = inFramesToProcess; + const Float32 *sourceP = inSourceP; + Float32 *destP = inDestP; + Float64 sum; + Float64 presence = pow(GetParameter( kParam_One ),5) * 8.0; + Float64 high = pow(GetParameter( kParam_Two ),3) * 4.0; + Float64 mid = pow(GetParameter( kParam_Three ),2); + Float64 low = GetParameter( kParam_Four ) / 4.0; + Float64 drive = GetParameter( kParam_Five ) * 2.0; + Float64 bridgerectifier; + + while (nSampleFrames-- > 0) { + long double inputSample = *sourceP; + if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37; + + sum = 0.0; + + + if (flip) + { + presenceInA[0] = presenceInA[1]; presenceInA[1] = presenceInA[2]; presenceInA[2] = presenceInA[3]; + presenceInA[3] = presenceInA[4]; presenceInA[4] = presenceInA[5]; presenceInA[5] = presenceInA[6]; + presenceInA[6] = inputSample * presence; presenceOutA[2] = presenceOutA[3]; + presenceOutA[3] = presenceOutA[4]; presenceOutA[4] = presenceOutA[5]; presenceOutA[5] = presenceOutA[6]; + presenceOutA[6] = (presenceInA[0] + presenceInA[6]) + 1.9152966321 * (presenceInA[1] + presenceInA[5]) + - (presenceInA[2] + presenceInA[4]) - 3.8305932641 * presenceInA[3] + + ( -0.2828214615 * presenceOutA[2]) + ( 0.2613069963 * presenceOutA[3]) + + ( -0.8628193852 * presenceOutA[4]) + ( 0.5387164389 * presenceOutA[5]); + bridgerectifier = fabs(presenceOutA[6]); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (presenceOutA[6] > 0.0){sum += bridgerectifier;} + else {sum -= bridgerectifier;} + //presence section + + highInA[0] = highInA[1]; highInA[1] = highInA[2]; highInA[2] = highInA[3]; + highInA[3] = highInA[4]; highInA[4] = highInA[5]; highInA[5] = highInA[6]; + bridgerectifier = fabs(inputSample) * high; + if (bridgerectifier > 1.57079633) {bridgerectifier = 1.57079633;} + bridgerectifier = sin(bridgerectifier); + if (inputSample > 0.0) {highInA[6] = bridgerectifier;} + else {highInA[6] = -bridgerectifier;} + highInA[6] *= high; highOutA[2] = highOutA[3]; + highOutA[3] = highOutA[4]; highOutA[4] = highOutA[5]; highOutA[5] = highOutA[6]; + highOutA[6] = (highInA[0] + highInA[6]) - 0.5141967433 * (highInA[1] + highInA[5]) + - (highInA[2] + highInA[4]) + 1.0283934866 * highInA[3] + + ( -0.2828214615 * highOutA[2]) + ( 1.0195930909 * highOutA[3]) + + ( -1.9633013869 * highOutA[4]) + ( 2.1020162751 * highOutA[5]); + bridgerectifier = fabs(highOutA[6]); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (highOutA[6] > 0.0){sum += bridgerectifier;} + else {sum -= bridgerectifier;} + //high section + + midInA[0] = midInA[1]; midInA[1] = midInA[2]; midInA[2] = midInA[3]; + midInA[3] = midInA[4]; midInA[4] = midInA[5]; midInA[5] = midInA[6]; + bridgerectifier = fabs(inputSample) * mid; + if (bridgerectifier > 1.57079633) {bridgerectifier = 1.57079633;} + bridgerectifier = sin(bridgerectifier); + if (inputSample > 0.0) {midInA[6] = bridgerectifier;} + else {midInA[6] = -bridgerectifier;} + midInA[6] *= mid; midOutA[2] = midOutA[3]; + midOutA[3] = midOutA[4]; midOutA[4] = midOutA[5]; midOutA[5] = midOutA[6]; + midOutA[6] = (midInA[0] + midInA[6]) - 1.1790257790 * (midInA[1] + midInA[5]) + - (midInA[2] + midInA[4]) + 2.3580515580 * midInA[3] + + ( -0.6292082828 * midOutA[2]) + ( 2.7785843605 * midOutA[3]) + + ( -4.6638295236 * midOutA[4]) + ( 3.5142515802 * midOutA[5]); + sum += midOutA[6]; + //mid section + + lowInA[0] = lowInA[1]; lowInA[1] = lowInA[2]; lowInA[2] = lowInA[3]; + lowInA[3] = lowInA[4]; lowInA[4] = lowInA[5]; lowInA[5] = lowInA[6]; + bridgerectifier = fabs(inputSample) * low; + if (bridgerectifier > 1.57079633) {bridgerectifier = 1.57079633;} + bridgerectifier = sin(bridgerectifier); + if (inputSample > 0.0) {lowInA[6] = bridgerectifier;} + else {lowInA[6] = -bridgerectifier;} + lowInA[6] *= low; lowOutA[2] = lowOutA[3]; + lowOutA[3] = lowOutA[4]; lowOutA[4] = lowOutA[5]; lowOutA[5] = lowOutA[6]; + lowOutA[6] = (lowInA[0] + lowInA[6]) - 1.9193504547 * (lowInA[1] + lowInA[5]) + - (lowInA[2] + lowInA[4]) + 3.8387009093 * lowInA[3] + + ( -0.9195964462 * lowOutA[2]) + ( 3.7538173833 * lowOutA[3]) + + ( -5.7487775603 * lowOutA[4]) + ( 3.9145559258 * lowOutA[5]); + sum += lowOutA[6]; + //low section + } + else + { + presenceInB[0] = presenceInB[1]; presenceInB[1] = presenceInB[2]; presenceInB[2] = presenceInB[3]; + presenceInB[3] = presenceInB[4]; presenceInB[4] = presenceInB[5]; presenceInB[5] = presenceInB[6]; + presenceInB[6] = inputSample * presence; presenceOutB[2] = presenceOutB[3]; + presenceOutB[3] = presenceOutB[4]; presenceOutB[4] = presenceOutB[5]; presenceOutB[5] = presenceOutB[6]; + presenceOutB[6] = (presenceInB[0] + presenceInB[6]) + 1.9152966321 * (presenceInB[1] + presenceInB[5]) + - (presenceInB[2] + presenceInB[4]) - 3.8305932641 * presenceInB[3] + + ( -0.2828214615 * presenceOutB[2]) + ( 0.2613069963 * presenceOutB[3]) + + ( -0.8628193852 * presenceOutB[4]) + ( 0.5387164389 * presenceOutB[5]); + bridgerectifier = fabs(presenceOutB[6]); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (presenceOutB[6] > 0.0){sum += bridgerectifier;} + else {sum -= bridgerectifier;} + //presence section + + highInB[0] = highInB[1]; highInB[1] = highInB[2]; highInB[2] = highInB[3]; + highInB[3] = highInB[4]; highInB[4] = highInB[5]; highInB[5] = highInB[6]; + bridgerectifier = fabs(inputSample) * high; + if (bridgerectifier > 1.57079633) {bridgerectifier = 1.57079633;} + bridgerectifier = sin(bridgerectifier); + if (inputSample > 0.0) {highInB[6] = bridgerectifier;} + else {highInB[6] = -bridgerectifier;} + highInB[6] *= high; highOutB[2] = highOutB[3]; + highOutB[3] = highOutB[4]; highOutB[4] = highOutB[5]; highOutB[5] = highOutB[6]; + highOutB[6] = (highInB[0] + highInB[6]) - 0.5141967433 * (highInB[1] + highInB[5]) + - (highInB[2] + highInB[4]) + 1.0283934866 * highInB[3] + + ( -0.2828214615 * highOutB[2]) + ( 1.0195930909 * highOutB[3]) + + ( -1.9633013869 * highOutB[4]) + ( 2.1020162751 * highOutB[5]); + bridgerectifier = fabs(highOutB[6]); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (highOutB[6] > 0.0){sum += bridgerectifier;} + else {sum -= bridgerectifier;} + //high section + + midInB[0] = midInB[1]; midInB[1] = midInB[2]; midInB[2] = midInB[3]; + midInB[3] = midInB[4]; midInB[4] = midInB[5]; midInB[5] = midInB[6]; + bridgerectifier = fabs(inputSample) * mid; + if (bridgerectifier > 1.57079633) {bridgerectifier = 1.57079633;} + bridgerectifier = sin(bridgerectifier); + if (inputSample > 0.0) {midInB[6] = bridgerectifier;} + else {midInB[6] = -bridgerectifier;} + midInB[6] *= mid; midOutB[2] = midOutB[3]; + midOutB[3] = midOutB[4]; midOutB[4] = midOutB[5]; midOutB[5] = midOutB[6]; + midOutB[6] = (midInB[0] + midInB[6]) - 1.1790257790 * (midInB[1] + midInB[5]) + - (midInB[2] + midInB[4]) + 2.3580515580 * midInB[3] + + ( -0.6292082828 * midOutB[2]) + ( 2.7785843605 * midOutB[3]) + + ( -4.6638295236 * midOutB[4]) + ( 3.5142515802 * midOutB[5]); + sum += midOutB[6]; + //mid section + + lowInB[0] = lowInB[1]; lowInB[1] = lowInB[2]; lowInB[2] = lowInB[3]; + lowInB[3] = lowInB[4]; lowInB[4] = lowInB[5]; lowInB[5] = lowInB[6]; + bridgerectifier = fabs(inputSample) * low; + if (bridgerectifier > 1.57079633) {bridgerectifier = 1.57079633;} + bridgerectifier = sin(bridgerectifier); + if (inputSample > 0.0) {lowInB[6] = bridgerectifier;} + else {lowInB[6] = -bridgerectifier;} + lowInB[6] *= low; lowOutB[2] = lowOutB[3]; + lowOutB[3] = lowOutB[4]; lowOutB[4] = lowOutB[5]; lowOutB[5] = lowOutB[6]; + lowOutB[6] = (lowInB[0] + lowInB[6]) - 1.9193504547 * (lowInB[1] + lowInB[5]) + - (lowInB[2] + lowInB[4]) + 3.8387009093 * lowInB[3] + + ( -0.9195964462 * lowOutB[2]) + ( 3.7538173833 * lowOutB[3]) + + ( -5.7487775603 * lowOutB[4]) + ( 3.9145559258 * lowOutB[5]); + sum += lowOutB[6]; + //low section + } + + inputSample = fabs(sum) * drive; + if (inputSample > 1.57079633) {inputSample = 1.57079633;} + inputSample = sin(inputSample); + if (sum < 0) inputSample = -inputSample; + + flip = !flip; + + //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; + } +} + |