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author | Chris Johnson <jinx6568@sover.net> | 2018-10-22 18:04:06 -0400 |
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committer | Chris Johnson <jinx6568@sover.net> | 2018-10-22 18:04:06 -0400 |
commit | 633be2e22c6648c901f08f3b4cd4e8e14ea86443 (patch) | |
tree | 1e272c3d2b5bd29636b9f9f521af62734e4df012 /plugins/MacAU/EveryTrim/EveryTrim.cpp | |
parent | 057757aa8eb0a463caf0cdfdb5894ac5f723ff3f (diff) | |
download | airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.tar.gz airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.tar.bz2 airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.zip |
Updates (in case my plane crashes)
Diffstat (limited to 'plugins/MacAU/EveryTrim/EveryTrim.cpp')
-rwxr-xr-x | plugins/MacAU/EveryTrim/EveryTrim.cpp | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/plugins/MacAU/EveryTrim/EveryTrim.cpp b/plugins/MacAU/EveryTrim/EveryTrim.cpp new file mode 100755 index 0000000..94f854e --- /dev/null +++ b/plugins/MacAU/EveryTrim/EveryTrim.cpp @@ -0,0 +1,329 @@ +/* +* File: EveryTrim.cpp +* +* Version: 1.0 +* +* Created: 1/6/11 +* +* Copyright: Copyright © 2011 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. +* +*/ +/*============================================================================= + EveryTrim.h + +=============================================================================*/ +#include "EveryTrim.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(EveryTrim) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::EveryTrim +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +EveryTrim::EveryTrim(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 + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult EveryTrim::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult EveryTrim::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 = -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 = -12.0; + outParameterInfo.maxValue = 12.0; + outParameterInfo.defaultValue = kDefaultValue_ParamTwo; + break; + case kParam_Three: + AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = -12.0; + outParameterInfo.maxValue = 12.0; + outParameterInfo.defaultValue = kDefaultValue_ParamThree; + break; + case kParam_Four: + AUBase::FillInParameterName (outParameterInfo, kParameterFourName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = -12.0; + outParameterInfo.maxValue = 12.0; + outParameterInfo.defaultValue = kDefaultValue_ParamFour; + break; + case kParam_Five: + AUBase::FillInParameterName (outParameterInfo, kParameterFiveName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = -12.0; + outParameterInfo.maxValue = 12.0; + outParameterInfo.defaultValue = kDefaultValue_ParamFive; + break; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult EveryTrim::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// state that plugin supports only stereo-in/stereo-out processing +UInt32 EveryTrim::SupportedNumChannels(const AUChannelInfo ** outInfo) +{ + if (outInfo != NULL) + { + static AUChannelInfo info; + info.inChannels = 2; + info.outChannels = 2; + *outInfo = &info; + } + + return 1; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult EveryTrim::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult EveryTrim::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____EveryTrimEffectKernel + +//----------------------------------------------------------------------------------------- +// this is called the reset the DSP state (clear buffers, reset counters, etc.) +ComponentResult EveryTrim::Reset(AudioUnitScope inScope, AudioUnitElement inElement) +{ + fpNShapeLA = 0.0; + fpNShapeLB = 0.0; + fpNShapeRA = 0.0; + fpNShapeRB = 0.0; + fpFlip = true; + return noErr; +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// EveryTrim::ProcessBufferLists +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +OSStatus EveryTrim::ProcessBufferLists(AudioUnitRenderActionFlags & ioActionFlags, + const AudioBufferList & inBuffer, + AudioBufferList & outBuffer, + UInt32 inFramesToProcess) +{ + + Float32 * inputL = (Float32*)(inBuffer.mBuffers[0].mData); + Float32 * inputR = (Float32*)(inBuffer.mBuffers[1].mData); + Float32 * outputL = (Float32*)(outBuffer.mBuffers[0].mData); + Float32 * outputR = (Float32*)(outBuffer.mBuffers[1].mData); + UInt32 nSampleFrames = inFramesToProcess; + + Float32 fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + long double inputSampleL; + long double inputSampleR; + long double mid; + long double side; + + Float64 leftgain = pow(10.0,GetParameter( kParam_One )/20.0); + Float64 rightgain = pow(10.0,GetParameter( kParam_Two )/20.0); + Float64 midgain = pow(10.0,GetParameter( kParam_Three )/20.0); + Float64 sidegain = pow(10.0,GetParameter( kParam_Four )/20.0); + Float64 mastergain = pow(10.0,GetParameter( kParam_Five )/20.0) * 0.5; + + leftgain *= mastergain; + rightgain *= mastergain; + + while (nSampleFrames-- > 0) { + inputSampleL = *inputL; + inputSampleR = *inputR; + //assign working variables + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + + mid = inputSampleL + inputSampleR; + side = inputSampleL - inputSampleR; + mid *= midgain; + side *= sidegain; + inputSampleL = (mid+side) * leftgain; + inputSampleR = (mid-side) * rightgain; + //contains mastergain and the gain trim fixing the mid/side + + //noise shaping to 32-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 32 bit output + + *outputL = inputSampleL; + *outputR = inputSampleR; + + inputL += 1; + inputR += 1; + outputL += 1; + outputR += 1; + } +return noErr; +} + |