a749b16674
LibDSP is a library for digital signal processing, and is primarily intended to support the future DAW version of Piano.
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Copyright (c) 2021, kleines Filmröllchen <malu.bertsch@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "Processor.h"
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#include "ProcessorParameter.h"
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#include "Transport.h"
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#include <AK/Types.h>
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namespace LibDSP::Effects {
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// A simple digital delay effect using a delay buffer.
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// This is based on Piano's old built-in delay.
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class Delay : public EffectProcessor {
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public:
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Delay(NonnullRefPtr<Transport>);
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private:
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virtual Signal process_impl(Signal const&) override;
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void handle_delay_time_change();
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ProcessorRangeParameter m_delay_decay;
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ProcessorRangeParameter m_delay_time;
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ProcessorRangeParameter m_dry_gain;
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Vector<Sample> m_delay_buffer;
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size_t m_delay_index { 0 };
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size_t m_old_delay_size = m_delay_buffer.size();
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};
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// A simple effect that applies volume, mute and pan to its input signal.
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// Convenient for attenuating signals in the middle of long chains.
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class Mastering : public EffectProcessor {
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public:
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Mastering(NonnullRefPtr<Transport>);
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private:
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virtual Signal process_impl(Signal const&) override;
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};
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}
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