mirror of
https://github.com/juce-framework/JUCE.git
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108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE 6 technical preview.
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Copyright (c) 2020 - Raw Material Software Limited
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You may use this code under the terms of the GPL v3
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(see www.gnu.org/licenses).
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For this technical preview, this file is not subject to commercial licensing.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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namespace dsp
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{
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/**
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Processor wrapper around juce::Reverb for easy integration into ProcessorChain.
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@tags{DSP}
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*/
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class Reverb
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{
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public:
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//==============================================================================
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/** Creates an uninitialised Reverb processor. Call prepare() before first use. */
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Reverb() = default;
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//==============================================================================
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using Parameters = juce::Reverb::Parameters;
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/** Returns the reverb's current parameters. */
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const Parameters& getParameters() const noexcept { return reverb.getParameters(); }
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/** Applies a new set of parameters to the reverb.
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Note that this doesn't attempt to lock the reverb, so if you call this in parallel with
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the process method, you may get artifacts.
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*/
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void setParameters (const Parameters& newParams) { reverb.setParameters (newParams); }
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/** Returns true if the reverb is enabled. */
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bool isEnabled() const noexcept { return enabled; }
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/** Enables/disables the reverb. */
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void setEnabled (bool newValue) noexcept { enabled = newValue; }
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//==============================================================================
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/** Initialises the reverb. */
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void prepare (const ProcessSpec& spec)
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{
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reverb.setSampleRate (spec.sampleRate);
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}
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/** Resets the reverb's internal state. */
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void reset() noexcept
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{
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reverb.reset();
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}
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//==============================================================================
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/** Applies the reverb to a mono or stereo buffer. */
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template <typename ProcessContext>
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void process (const ProcessContext& context) noexcept
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{
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const auto& inputBlock = context.getInputBlock();
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auto& outputBlock = context.getOutputBlock();
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const auto numInChannels = inputBlock.getNumChannels();
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const auto numOutChannels = outputBlock.getNumChannels();
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const auto numSamples = outputBlock.getNumSamples();
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jassert (inputBlock.getNumSamples() == numSamples);
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outputBlock.copyFrom (inputBlock);
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if (! enabled || context.isBypassed)
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return;
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if (numInChannels == 1 && numOutChannels == 1)
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{
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reverb.processMono (outputBlock.getChannelPointer (0), (int) numSamples);
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}
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else if (numInChannels == 2 && numOutChannels == 2)
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{
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reverb.processStereo (outputBlock.getChannelPointer (0),
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outputBlock.getChannelPointer (1),
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(int) numSamples);
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}
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else
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{
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jassertfalse; // invalid channel configuration
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}
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}
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private:
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//==============================================================================
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juce::Reverb reverb;
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bool enabled = true;
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};
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} // namespace dsp
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} // namespace juce
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