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Diffstat (limited to 'plugins/MacAU/ResEQ/ResEQ.cpp')
| -rwxr-xr-x | plugins/MacAU/ResEQ/ResEQ.cpp | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/plugins/MacAU/ResEQ/ResEQ.cpp b/plugins/MacAU/ResEQ/ResEQ.cpp new file mode 100755 index 0000000..3c3f93d --- /dev/null +++ b/plugins/MacAU/ResEQ/ResEQ.cpp @@ -0,0 +1,423 @@ +/* +* File: ResEQ.cpp +* +* Version: 1.0 +* +* Created: 8/1/07 +* +* Copyright: Copyright © 2007 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. +* +*/ +/*============================================================================= + ResEQ.h + +=============================================================================*/ +#include "ResEQ.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(ResEQ) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::ResEQ +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ResEQ::ResEQ(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 ); + SetParameter(kParam_Seven, kDefaultValue_ParamSeven ); + SetParameter(kParam_Eight, kDefaultValue_ParamEight ); + SetParameter(kParam_Nine, kDefaultValue_ParamNine ); + +#if AU_DEBUG_DISPATCHER + mDebugDispatcher = new AUDebugDispatcher (this); +#endif + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ResEQ::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ResEQ::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; + 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; + case kParam_Seven: + AUBase::FillInParameterName (outParameterInfo, kParameterSevenName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamSeven; + break; + case kParam_Eight: + AUBase::FillInParameterName (outParameterInfo, kParameterEightName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamEight; + break; + case kParam_Nine: + AUBase::FillInParameterName (outParameterInfo, kParameterNineName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamNine; + break; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ResEQ::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ResEQ::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult ResEQ::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____ResEQEffectKernel + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::ResEQKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void ResEQ::ResEQKernel::Reset() +{ + register UInt32 count; + for(count = 0; count < 60; count++) {b[count] = 0.0; f[count] = 0.0;} + framenumber = 0; + fpd = 17; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// ResEQ::ResEQKernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void ResEQ::ResEQKernel::Process( const Float32 *inSourceP, + Float32 *inDestP, + UInt32 inFramesToProcess, + UInt32 inNumChannels, // for version 2 AudioUnits inNumChannels is always 1 + bool &ioSilence ) +{ + UInt32 nSampleFrames = inFramesToProcess; + const Float32 *sourceP = inSourceP; + Float32 *destP = inDestP; + Float64 overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= GetSampleRate(); + Float64 v1 = GetParameter( kParam_One ); + Float64 v2 = GetParameter( kParam_Two ); + Float64 v3 = GetParameter( kParam_Three ); + Float64 v4 = GetParameter( kParam_Four ); + Float64 v5 = GetParameter( kParam_Five ); + Float64 v6 = GetParameter( kParam_Six ); + Float64 v7 = GetParameter( kParam_Seven ); + Float64 v8 = GetParameter( kParam_Eight ); + Float64 f1 = pow(v1,2); + Float64 f2 = pow(v2,2); + Float64 f3 = pow(v3,2); + Float64 f4 = pow(v4,2); + Float64 f5 = pow(v5,2); + Float64 f6 = pow(v6,2); + Float64 f7 = pow(v7,2); + Float64 f8 = pow(v8,2); + Float64 wet = GetParameter( kParam_Nine ); + Float64 falloff; + v1 += 0.2; v2 += 0.2; v3 += 0.2; v4 += 0.2; v5 += 0.2; v6 += 0.2; v7 += 0.2; v8 += 0.2; + v1 /= overallscale; + v2 /= overallscale; + v3 /= overallscale; + v4 /= overallscale; + v5 /= overallscale; + v6 /= overallscale; + v7 /= overallscale; + v8 /= overallscale; + //each process frame we'll update some of the kernel frames. That way we don't have to crunch the whole thing at once, + //and we can load a LOT more resonant peaks into the kernel. + + //amount = 0.005 + (amount * 0.99); + + + //mAudioUnit->SetParameter( kParam_Nine, amount ); + + // mAudioUnit->Globals()->SetParameter( kParam_Nine, amount ); + + // AudioUnitParameter param; + // param.mAudioUnit = mAudioUnit->GetComponentInstance(); + // param.mScope = kAudioUnitScope_Global; + // param.mParameterID = kParam_Nine; + // AUParameterListenerNotify( NULL, NULL, ¶m); + + + + + + framenumber += 1; if (framenumber > 59) framenumber = 1; + falloff = sin(framenumber / 19.098992); + f[framenumber] = 0.0; + if ((framenumber * f1) < 1.57079633) f[framenumber] += (sin((framenumber * f1)*2.0) * falloff * v1); + else f[framenumber] += (cos(framenumber * f1) * falloff * v1); + if ((framenumber * f2) < 1.57079633) f[framenumber] += (sin((framenumber * f2)*2.0) * falloff * v2); + else f[framenumber] += (cos(framenumber * f2) * falloff * v2); + if ((framenumber * f3) < 1.57079633) f[framenumber] += (sin((framenumber * f3)*2.0) * falloff * v3); + else f[framenumber] += (cos(framenumber * f3) * falloff * v3); + if ((framenumber * f4) < 1.57079633) f[framenumber] += (sin((framenumber * f4)*2.0) * falloff * v4); + else f[framenumber] += (cos(framenumber * f4) * falloff * v4); + if ((framenumber * f5) < 1.57079633) f[framenumber] += (sin((framenumber * f5)*2.0) * falloff * v5); + else f[framenumber] += (cos(framenumber * f5) * falloff * v5); + if ((framenumber * f6) < 1.57079633) f[framenumber] += (sin((framenumber * f6)*2.0) * falloff * v6); + else f[framenumber] += (cos(framenumber * f6) * falloff * v6); + if ((framenumber * f7) < 1.57079633) f[framenumber] += (sin((framenumber * f7)*2.0) * falloff * v7); + else f[framenumber] += (cos(framenumber * f7) * falloff * v7); + if ((framenumber * f8) < 1.57079633) f[framenumber] += (sin((framenumber * f8)*2.0) * falloff * v8); + else f[framenumber] += (cos(framenumber * f8) * falloff * v8); + + framenumber += 1; if (framenumber > 59) framenumber = 1; + falloff = sin(framenumber / 19.098992); + f[framenumber] = 0.0; + if ((framenumber * f1) < 1.57079633) f[framenumber] += (sin((framenumber * f1)*2.0) * falloff * v1); + else f[framenumber] += (cos(framenumber * f1) * falloff * v1); + if ((framenumber * f2) < 1.57079633) f[framenumber] += (sin((framenumber * f2)*2.0) * falloff * v2); + else f[framenumber] += (cos(framenumber * f2) * falloff * v2); + if ((framenumber * f3) < 1.57079633) f[framenumber] += (sin((framenumber * f3)*2.0) * falloff * v3); + else f[framenumber] += (cos(framenumber * f3) * falloff * v3); + if ((framenumber * f4) < 1.57079633) f[framenumber] += (sin((framenumber * f4)*2.0) * falloff * v4); + else f[framenumber] += (cos(framenumber * f4) * falloff * v4); + if ((framenumber * f5) < 1.57079633) f[framenumber] += (sin((framenumber * f5)*2.0) * falloff * v5); + else f[framenumber] += (cos(framenumber * f5) * falloff * v5); + if ((framenumber * f6) < 1.57079633) f[framenumber] += (sin((framenumber * f6)*2.0) * falloff * v6); + else f[framenumber] += (cos(framenumber * f6) * falloff * v6); + if ((framenumber * f7) < 1.57079633) f[framenumber] += (sin((framenumber * f7)*2.0) * falloff * v7); + else f[framenumber] += (cos(framenumber * f7) * falloff * v7); + if ((framenumber * f8) < 1.57079633) f[framenumber] += (sin((framenumber * f8)*2.0) * falloff * v8); + else f[framenumber] += (cos(framenumber * f8) * falloff * v8); + + //done updating the kernel for this go-round + + while (nSampleFrames-- > 0) { + long double inputSample = *sourceP; + if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37; + long double drySample = inputSample; + +b[59] = b[58]; b[58] = b[57]; b[57] = b[56]; b[56] = b[55]; b[55] = b[54]; b[54] = b[53]; b[53] = b[52]; b[52] = b[51]; b[51] = b[50]; b[50] = b[49]; b[49] = b[48]; +b[48] = b[47]; b[47] = b[46]; b[46] = b[45]; b[45] = b[44]; b[44] = b[43]; b[43] = b[42]; b[42] = b[41]; b[41] = b[40]; b[40] = b[39]; b[39] = b[38]; +b[38] = b[37]; b[37] = b[36]; b[36] = b[35]; b[35] = b[34]; b[34] = b[33]; 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; + + inputSample = (b[1] * f[1]); + inputSample += (b[2] * f[2]); + inputSample += (b[3] * f[3]); + inputSample += (b[4] * f[4]); + inputSample += (b[5] * f[5]); + inputSample += (b[6] * f[6]); + inputSample += (b[7] * f[7]); + inputSample += (b[8] * f[8]); + inputSample += (b[9] * f[9]); + inputSample += (b[10] * f[10]); + inputSample += (b[11] * f[11]); + inputSample += (b[12] * f[12]); + inputSample += (b[13] * f[13]); + inputSample += (b[14] * f[14]); + inputSample += (b[15] * f[15]); + inputSample += (b[16] * f[16]); + inputSample += (b[17] * f[17]); + inputSample += (b[18] * f[18]); + inputSample += (b[19] * f[19]); + inputSample += (b[20] * f[20]); + inputSample += (b[21] * f[21]); + inputSample += (b[22] * f[22]); + inputSample += (b[23] * f[23]); + inputSample += (b[24] * f[24]); + inputSample += (b[25] * f[25]); + inputSample += (b[26] * f[26]); + inputSample += (b[27] * f[27]); + inputSample += (b[28] * f[28]); + inputSample += (b[29] * f[29]); + inputSample += (b[30] * f[30]); + inputSample += (b[31] * f[31]); + inputSample += (b[32] * f[32]); + inputSample += (b[33] * f[33]); + inputSample += (b[34] * f[34]); + inputSample += (b[35] * f[35]); + inputSample += (b[36] * f[36]); + inputSample += (b[37] * f[37]); + inputSample += (b[38] * f[38]); + inputSample += (b[39] * f[39]); + inputSample += (b[40] * f[40]); + inputSample += (b[41] * f[41]); + inputSample += (b[42] * f[42]); + inputSample += (b[43] * f[43]); + inputSample += (b[44] * f[44]); + inputSample += (b[45] * f[45]); + inputSample += (b[46] * f[46]); + inputSample += (b[47] * f[47]); + inputSample += (b[48] * f[48]); + inputSample += (b[49] * f[49]); + inputSample += (b[50] * f[50]); + inputSample += (b[51] * f[51]); + inputSample += (b[52] * f[52]); + inputSample += (b[53] * f[53]); + inputSample += (b[54] * f[54]); + inputSample += (b[55] * f[55]); + inputSample += (b[56] * f[56]); + inputSample += (b[57] * f[57]); + inputSample += (b[58] * f[58]); + inputSample += (b[59] * f[59]); + inputSample /= 12.0; + //inlined- this is our little EQ kernel. Longer will give better tightness on bass frequencies. + inputSample = (drySample*(1.0-wet))+(inputSample*wet); + + //begin 32 bit floating point dither + int expon; frexpf((float)inputSample, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSample += static_cast<int32_t>(fpd) * 5.960464655174751e-36L * pow(2,expon+62); + //end 32 bit floating point dither + + + *destP = inputSample; + sourceP += inNumChannels; + destP += inNumChannels; + } +} + |