116 lines
2.2 KiB
C++
116 lines
2.2 KiB
C++
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#ifndef AUDIOEFFECTCHORUS_H
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#define AUDIOEFFECTCHORUS_H
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#include "servers/audio/audio_effect.h"
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class AudioEffectChorus;
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class AudioEffectChorusInstance : public AudioEffectInstance {
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GDCLASS(AudioEffectChorusInstance,AudioEffectInstance)
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friend class AudioEffectChorus;
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Ref<AudioEffectChorus> base;
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Vector<AudioFrame> audio_buffer;
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unsigned int buffer_pos;
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unsigned int buffer_mask;
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AudioFrame filter_h[4];
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uint64_t cycles[4];
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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 AudioEffectChorus : public AudioEffect {
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GDCLASS(AudioEffectChorus,AudioEffect)
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friend class AudioEffectChorusInstance;
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public:
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enum {
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MAX_DELAY_MS=50,
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MAX_DEPTH_MS=20,
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MAX_WIDTH_MS=50,
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MAX_VOICES=4,
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CYCLES_FRAC=16,
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CYCLES_MASK=(1<<CYCLES_FRAC)-1,
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MAX_CHANNELS=4,
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MS_CUTOFF_MAX=16000
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};
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private:
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struct Voice {
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float delay;
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float rate;
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float depth;
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float level;
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float cutoff;
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float pan;
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Voice() {
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delay=12.0;
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rate=1;
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depth=0;
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level=0;
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cutoff=MS_CUTOFF_MAX;
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pan=0;
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}
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} voice[MAX_VOICES];
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int voice_count;
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float wet;
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float dry;
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protected:
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void _validate_property(PropertyInfo& property) const;
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static void _bind_methods();
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public:
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void set_voice_count(int p_voices);
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int get_voice_count() const;
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void set_voice_delay_ms(int p_voice,float p_delay_ms);
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float get_voice_delay_ms(int p_voice) const;
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void set_voice_rate_hz(int p_voice,float p_rate_hz);
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float get_voice_rate_hz(int p_voice) const;
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void set_voice_depth_ms(int p_voice,float p_depth_ms);
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float get_voice_depth_ms(int p_voice) const;
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void set_voice_level_db(int p_voice,float p_level_db);
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float get_voice_level_db(int p_voice) const;
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void set_voice_cutoff_hz(int p_voice,float p_cutoff_hz);
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float get_voice_cutoff_hz(int p_voice) const;
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void set_voice_pan(int p_voice,float p_pan);
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float get_voice_pan(int p_voice) const;
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void set_wet(float amount);
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float get_wet() const;
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void set_dry(float amount);
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float get_dry() const;
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Ref<AudioEffectInstance> instance();
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AudioEffectChorus();
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};
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#endif // AUDIOEFFECTCHORUS_H
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