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#ifndef AUDIOEFFECTECHO_H
#define AUDIOEFFECTECHO_H
#include "servers/audio/audio_effect.h"
class AudioEffectDelay;
class AudioEffectDelayInstance : public AudioEffectInstance {
GDCLASS(AudioEffectDelayInstance,AudioEffectInstance)
friend class AudioEffectDelay;
Ref<AudioEffectDelay> base;
Vector<AudioFrame> ring_buffer;
unsigned int ring_buffer_pos;
unsigned int ring_buffer_mask;
/* feedback buffer */
Vector<AudioFrame> feedback_buffer;
unsigned int feedback_buffer_pos;
AudioFrame h;
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 AudioEffectDelay : public AudioEffect {
GDCLASS(AudioEffectDelay,AudioEffect)
friend class AudioEffectDelayInstance;
enum {
MAX_DELAY_MS=3000,
MAX_TAPS=2
};
float dry;
bool tap_1_active;
float tap_1_delay_ms;
float tap_1_level;
float tap_1_pan;
bool tap_2_active;
float tap_2_delay_ms;
float tap_2_level;
float tap_2_pan;
bool feedback_active;
float feedback_delay_ms;
float feedback_level;
float feedback_lowpass;
protected:
static void _bind_methods();
public:
void set_dry(float p_dry);
float get_dry();
void set_tap1_active(bool p_active);
bool is_tap1_active() const;
void set_tap1_delay_ms(float p_delay_ms);
float get_tap1_delay_ms() const;
void set_tap1_level_db(float p_level_db);
float get_tap1_level_db() const;
void set_tap1_pan(float p_pan);
float get_tap1_pan() const;
void set_tap2_active(bool p_active);
bool is_tap2_active() const;
void set_tap2_delay_ms(float p_delay_ms);
float get_tap2_delay_ms() const;
void set_tap2_level_db(float p_level_db);
float get_tap2_level_db() const;
void set_tap2_pan(float p_pan);
float get_tap2_pan() const;
void set_feedback_active(bool p_active);
bool is_feedback_active() const;
void set_feedback_delay_ms(float p_delay_ms);
float get_feedback_delay_ms() const;
void set_feedback_level_db(float p_level_db);
float get_feedback_level_db() const;
void set_feedback_lowpass(float p_lowpass);
float get_feedback_lowpass() const;
Ref<AudioEffectInstance> instance();
AudioEffectDelay();
};
#endif // AUDIOEFFECTECHO_H
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