juce_Reverb.h

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/*
  ==============================================================================
 
   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
{
namespace dsp
{

class Reverb
{
public:
    //==============================================================================
    Reverb() = default;
 
    //==============================================================================
    using Parameters = juce::Reverb::Parameters;

    const Parameters& getParameters() const noexcept    { return reverb.getParameters(); }

    void setParameters (const Parameters& newParams)    { reverb.setParameters (newParams); }

    bool isEnabled() const noexcept                     { return enabled; }

    void setEnabled (bool newValue) noexcept            { enabled = newValue; }
 
    //==============================================================================
    void prepare (const ProcessSpec& spec)
    {
        reverb.setSampleRate (spec.sampleRate);
    }

    void reset() noexcept
    {
        reverb.reset();
    }
 
    //==============================================================================
    template <typename ProcessContext>
    void process (const ProcessContext& context) noexcept
    {
        const auto& inputBlock = context.getInputBlock();
        auto& outputBlock = context.getOutputBlock();
        const auto numInChannels = inputBlock.getNumChannels();
        const auto numOutChannels = outputBlock.getNumChannels();
        const auto numSamples = outputBlock.getNumSamples();
 
        jassert (inputBlock.getNumSamples() == numSamples);
 
        outputBlock.copyFrom (inputBlock);
 
        if (! enabled || context.isBypassed)
            return;
 
        if (numInChannels == 1 && numOutChannels == 1)
        {
            reverb.processMono (outputBlock.getChannelPointer (0), (int) numSamples);
        }
        else if (numInChannels == 2 && numOutChannels == 2)
        {
            reverb.processStereo (outputBlock.getChannelPointer (0),
                                  outputBlock.getChannelPointer (1),
                                  (int) numSamples);
        }
        else
        {
            jassertfalse;   // invalid channel configuration
        }
    }
 
private:
    //==============================================================================
    juce::Reverb reverb;
    bool enabled = true;
};
 
} // namespace dsp
} // namespace juce