mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-26 21:57:16 +01:00
138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
/*************************************************************************/
|
|
/* audio_effect_chorus.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef AUDIOEFFECTCHORUS_H
|
|
#define AUDIOEFFECTCHORUS_H
|
|
|
|
#include "servers/audio/audio_effect.h"
|
|
|
|
class AudioEffectChorus;
|
|
|
|
class AudioEffectChorusInstance : public AudioEffectInstance {
|
|
GDCLASS(AudioEffectChorusInstance, AudioEffectInstance);
|
|
friend class AudioEffectChorus;
|
|
Ref<AudioEffectChorus> base;
|
|
|
|
Vector<AudioFrame> audio_buffer;
|
|
unsigned int buffer_pos;
|
|
unsigned int buffer_mask;
|
|
|
|
AudioFrame filter_h[4];
|
|
uint64_t cycles[4];
|
|
|
|
void _process_chunk(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count);
|
|
|
|
public:
|
|
virtual void process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count);
|
|
};
|
|
|
|
class AudioEffectChorus : public AudioEffect {
|
|
GDCLASS(AudioEffectChorus, AudioEffect);
|
|
|
|
friend class AudioEffectChorusInstance;
|
|
|
|
public:
|
|
enum {
|
|
|
|
MAX_DELAY_MS = 50,
|
|
MAX_DEPTH_MS = 20,
|
|
MAX_WIDTH_MS = 50,
|
|
MAX_VOICES = 4,
|
|
CYCLES_FRAC = 16,
|
|
CYCLES_MASK = (1 << CYCLES_FRAC) - 1,
|
|
MAX_CHANNELS = 4,
|
|
MS_CUTOFF_MAX = 16000
|
|
};
|
|
|
|
private:
|
|
struct Voice {
|
|
float delay;
|
|
float rate;
|
|
float depth;
|
|
float level;
|
|
float cutoff;
|
|
float pan;
|
|
|
|
Voice() {
|
|
delay = 12.0;
|
|
rate = 1;
|
|
depth = 0;
|
|
level = 0;
|
|
cutoff = MS_CUTOFF_MAX;
|
|
pan = 0;
|
|
}
|
|
|
|
} voice[MAX_VOICES];
|
|
|
|
int voice_count;
|
|
|
|
float wet;
|
|
float dry;
|
|
|
|
protected:
|
|
void _validate_property(PropertyInfo &property) const;
|
|
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
void set_voice_count(int p_voices);
|
|
int get_voice_count() const;
|
|
|
|
void set_voice_delay_ms(int p_voice, float p_delay_ms);
|
|
float get_voice_delay_ms(int p_voice) const;
|
|
|
|
void set_voice_rate_hz(int p_voice, float p_rate_hz);
|
|
float get_voice_rate_hz(int p_voice) const;
|
|
|
|
void set_voice_depth_ms(int p_voice, float p_depth_ms);
|
|
float get_voice_depth_ms(int p_voice) const;
|
|
|
|
void set_voice_level_db(int p_voice, float p_level_db);
|
|
float get_voice_level_db(int p_voice) const;
|
|
|
|
void set_voice_cutoff_hz(int p_voice, float p_cutoff_hz);
|
|
float get_voice_cutoff_hz(int p_voice) const;
|
|
|
|
void set_voice_pan(int p_voice, float p_pan);
|
|
float get_voice_pan(int p_voice) const;
|
|
|
|
void set_wet(float amount);
|
|
float get_wet() const;
|
|
|
|
void set_dry(float amount);
|
|
float get_dry() const;
|
|
|
|
Ref<AudioEffectInstance> instance();
|
|
|
|
AudioEffectChorus();
|
|
};
|
|
|
|
#endif // AUDIOEFFECTCHORUS_H
|