Loading...
Searching...
No Matches
juce_Compressor.h
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce::dsp
{
template <typename SampleType>
class Compressor
{
public:
//==============================================================================
Compressor();
//==============================================================================
void setThreshold (SampleType newThreshold);
void setRatio (SampleType newRatio);
void setAttack (SampleType newAttack);
void setRelease (SampleType newRelease);
//==============================================================================
void prepare (const ProcessSpec& spec);
void reset();
//==============================================================================
template <typename ProcessContext>
void process (const ProcessContext& context) noexcept
{
const auto& inputBlock = context.getInputBlock();
auto& outputBlock = context.getOutputBlock();
const auto numChannels = outputBlock.getNumChannels();
const auto numSamples = outputBlock.getNumSamples();
jassert (inputBlock.getNumChannels() == numChannels);
jassert (inputBlock.getNumSamples() == numSamples);
if (context.isBypassed)
{
outputBlock.copyFrom (inputBlock);
return;
}
for (size_t channel = 0; channel < numChannels; ++channel)
{
auto* inputSamples = inputBlock .getChannelPointer (channel);
auto* outputSamples = outputBlock.getChannelPointer (channel);
for (size_t i = 0; i < numSamples; ++i)
outputSamples[i] = processSample ((int) channel, inputSamples[i]);
}
}
SampleType processSample (int channel, SampleType inputValue);
private:
//==============================================================================
void update();
//==============================================================================
SampleType threshold, thresholdInverse, ratioInverse;
BallisticsFilter<SampleType> envelopeFilter;
double sampleRate = 44100.0;
SampleType thresholddB = 0.0, ratio = 1.0, attackTime = 1.0, releaseTime = 100.0;
};
} // namespace juce::dsp
juce::dsp::BallisticsFilter
Definition juce_BallisticsFilter.h:44
juce::dsp::Compressor::reset
void reset()
Definition juce_Compressor.cpp:83
juce::dsp::Compressor::setThreshold
void setThreshold(SampleType newThreshold)
Definition juce_Compressor.cpp:38
juce::dsp::Compressor::processSample
SampleType processSample(int channel, SampleType inputValue)
Definition juce_Compressor.cpp:90
juce::dsp::Compressor::process
void process(const ProcessContext &context) noexcept
Definition juce_Compressor.h:66
juce::dsp::Compressor::prepare
void prepare(const ProcessSpec &spec)
Definition juce_Compressor.cpp:69
juce::dsp::Compressor::setAttack
void setAttack(SampleType newAttack)
Definition juce_Compressor.cpp:54
juce::dsp::Compressor::setRelease
void setRelease(SampleType newRelease)
Definition juce_Compressor.cpp:61
juce::dsp::Compressor::setRatio
void setRatio(SampleType newRatio)
Definition juce_Compressor.cpp:45
juce::dsp::Compressor::Compressor
Compressor()
Definition juce_Compressor.cpp:31
juce::dsp::ProcessSpec
Definition juce_ProcessContext.h:36