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