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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
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 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-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
{
/**
Acts as a polymorphic base class for processors.
This exposes the same set of methods that a processor must implement as virtual
methods, so that you can use the ProcessorWrapper class to wrap an instance of
a subclass, and then pass that around using ProcessorBase as a base class.
@see ProcessorWrapper
@tags{DSP}
*/
struct ProcessorBase
{
ProcessorBase() = default;
virtual ~ProcessorBase() = default;
virtual void prepare (const ProcessSpec&) = 0;
virtual void process (const ProcessContextReplacing<float>&) = 0;
virtual void reset() = 0;
};
//==============================================================================
/**
Wraps an instance of a given processor class, and exposes it through the
ProcessorBase interface.
@see ProcessorBase
@tags{DSP}
*/
template <typename ProcessorType>
struct ProcessorWrapper : public ProcessorBase
{
void prepare (const ProcessSpec& spec) override
{
processor.prepare (spec);
}
void process (const ProcessContextReplacing<float>& context) override
{
processor.process (context);
}
void reset() override
{
processor.reset();
}
ProcessorType processor;
};
} // namespace dsp
} // namespace juce
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