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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#pragma once
#ifndef MAME_EMU_AUDIO_EFFECTS_AEFFECT_H
#define MAME_EMU_AUDIO_EFFECTS_AEFFECT_H
class audio_effect
{
public:
using sample_t = sound_stream::sample_t;
enum {
FILTER,
COMPRESSOR,
REVERB,
EQ,
COUNT
};
static const char *const effect_names[COUNT];
static audio_effect *create(int type, u32 sample_rate, audio_effect *def = nullptr);
audio_effect(u32 sample_rate, audio_effect *def) : m_default(def), m_sample_rate(sample_rate) {}
virtual ~audio_effect() = default;
void copy(const emu::detail::output_buffer_flat<sample_t> &src, emu::detail::output_buffer_flat<sample_t> &dest) const;
virtual int type() const = 0;
virtual u32 history_size() const;
virtual void apply(const emu::detail::output_buffer_flat<sample_t> &src, emu::detail::output_buffer_flat<sample_t> &dest) = 0;
virtual void config_load(util::xml::data_node const *ef_node) = 0;
virtual void config_save(util::xml::data_node *ef_node) const = 0;
virtual void default_changed() = 0;
protected:
audio_effect *m_default;
u32 m_sample_rate;
};
#endif
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