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author | Chris Johnson <jinx6568@sover.net> | 2019-06-16 19:55:25 -0400 |
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committer | Chris Johnson <jinx6568@sover.net> | 2019-06-16 19:55:25 -0400 |
commit | 89336d218f3aab15654d6ddb18a00b32df0c0b8f (patch) | |
tree | 66b1d359af335a7086ea0a809dd642e1da954d4d /plugins/MacAU/Podcast/Podcast.cpp | |
parent | 3e91ae7935695f28c378bbcf49e3a19a6654a594 (diff) | |
download | airwindows-lv2-port-89336d218f3aab15654d6ddb18a00b32df0c0b8f.tar.gz airwindows-lv2-port-89336d218f3aab15654d6ddb18a00b32df0c0b8f.tar.bz2 airwindows-lv2-port-89336d218f3aab15654d6ddb18a00b32df0c0b8f.zip |
Podcast
Diffstat (limited to 'plugins/MacAU/Podcast/Podcast.cpp')
-rwxr-xr-x | plugins/MacAU/Podcast/Podcast.cpp | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/plugins/MacAU/Podcast/Podcast.cpp b/plugins/MacAU/Podcast/Podcast.cpp new file mode 100755 index 0000000..8324dd8 --- /dev/null +++ b/plugins/MacAU/Podcast/Podcast.cpp @@ -0,0 +1,276 @@ +/* +* File: Podcast.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. +* +*/ +/*============================================================================= + Podcast.cpp + +=============================================================================*/ +#include "Podcast.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(Podcast) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::Podcast +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Podcast::Podcast(AudioUnit component) + : AUEffectBase(component) +{ + CreateElements(); + Globals()->UseIndexedParameters(kNumberOfParameters); + SetParameter(kParam_One, kDefaultValue_ParamOne ); + SetParameter(kParam_Two, kDefaultValue_ParamTwo ); + +#if AU_DEBUG_DISPATCHER + mDebugDispatcher = new AUDebugDispatcher (this); +#endif + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Podcast::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Podcast::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; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Podcast::GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Podcast::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// Podcast::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult Podcast::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____PodcastEffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::PodcastKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void Podcast::PodcastKernel::Reset() +{ + c1 = 2.0; c2 = 2.0; c3 = 2.0; c4 = 2.0; c5 = 2.0; //startup comp gains + fpd = 17; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Podcast::PodcastKernel::Process +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +void Podcast::PodcastKernel::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(); + + Float64 compress = 1.0 + pow(GetParameter( kParam_One ),2); + Float64 wet = GetParameter( kParam_Two ); + Float64 speed1 = 64.0 / pow(compress,2); + speed1 *= overallscale; + Float64 speed2 = speed1 * 1.4; + Float64 speed3 = speed2 * 1.5; + Float64 speed4 = speed3 * 1.6; + Float64 speed5 = speed4 * 1.7; + Float64 trigger; + + while (nSampleFrames-- > 0) { + long double inputSample = *sourceP; + if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37; + long double drySample = inputSample; + + inputSample *= c1; + trigger = fabs(inputSample)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c1 += trigger/speed5; + if (c1 > compress) c1 = compress; + //compress stage + + inputSample *= c2; + trigger = fabs(inputSample)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c2 += trigger/speed4; + if (c2 > compress) c2 = compress; + //compress stage + + inputSample *= c3; + trigger = fabs(inputSample)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c3 += trigger/speed3; + if (c3 > compress) c3 = compress; + //compress stage + + inputSample *= c4; + trigger = fabs(inputSample)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c4 += trigger/speed2; + if (c4 > compress) c4 = compress; + //compress stage + + inputSample *= c5; + trigger = fabs(inputSample)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c5 += trigger/speed1; + if (c5 > compress) c5 = compress; + //compress stage + + if (compress > 1.0) inputSample /= compress; + + if (wet !=1.0) { + inputSample = (inputSample * wet) + (drySample * (1.0-wet)); + } + //Dry/Wet control, defaults to the last slider + + if (inputSample > 0.999) inputSample = 0.999; + if (inputSample < -0.999) inputSample = -0.999; + + //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; + } +} + + |