77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
|
#ifndef AUDIO_EFFECT_SPECTRUM_ANALYZER_H
|
||
|
|
#define AUDIO_EFFECT_SPECTRUM_ANALYZER_H
|
||
|
|
|
||
|
|
#include "servers/audio/audio_effect.h"
|
||
|
|
|
||
|
|
class AudioEffectSpectrumAnalyzer;
|
||
|
|
|
||
|
|
class AudioEffectSpectrumAnalyzerInstance : public AudioEffectInstance {
|
||
|
|
GDCLASS(AudioEffectSpectrumAnalyzerInstance, AudioEffectInstance)
|
||
|
|
|
||
|
|
public:
|
||
|
|
enum MagnitudeMode {
|
||
|
|
MAGNITUDE_AVERAGE,
|
||
|
|
MAGNITUDE_MAX,
|
||
|
|
};
|
||
|
|
|
||
|
|
private:
|
||
|
|
friend class AudioEffectSpectrumAnalyzer;
|
||
|
|
Ref<AudioEffectSpectrumAnalyzer> base;
|
||
|
|
|
||
|
|
Vector<Vector<AudioFrame> > fft_history;
|
||
|
|
Vector<float> temporal_fft;
|
||
|
|
int temporal_fft_pos;
|
||
|
|
int fft_size;
|
||
|
|
int fft_count;
|
||
|
|
int fft_pos;
|
||
|
|
float mix_rate;
|
||
|
|
uint64_t last_fft_time;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
static void _bind_methods();
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual void process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count);
|
||
|
|
Vector2 get_magnitude_for_frequency_range(float p_begin, float p_end, MagnitudeMode p_mode = MAGNITUDE_MAX) const;
|
||
|
|
};
|
||
|
|
|
||
|
|
VARIANT_ENUM_CAST(AudioEffectSpectrumAnalyzerInstance::MagnitudeMode)
|
||
|
|
|
||
|
|
class AudioEffectSpectrumAnalyzer : public AudioEffect {
|
||
|
|
GDCLASS(AudioEffectSpectrumAnalyzer, AudioEffect)
|
||
|
|
public:
|
||
|
|
enum FFT_Size {
|
||
|
|
FFT_SIZE_256,
|
||
|
|
FFT_SIZE_512,
|
||
|
|
FFT_SIZE_1024,
|
||
|
|
FFT_SIZE_2048,
|
||
|
|
FFT_SIZE_4096,
|
||
|
|
FFT_SIZE_MAX
|
||
|
|
};
|
||
|
|
|
||
|
|
public:
|
||
|
|
friend class AudioEffectSpectrumAnalyzerInstance;
|
||
|
|
float buffer_length;
|
||
|
|
float tapback_pos;
|
||
|
|
FFT_Size fft_size;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
static void _bind_methods();
|
||
|
|
|
||
|
|
public:
|
||
|
|
Ref<AudioEffectInstance> instance();
|
||
|
|
void set_buffer_length(float p_seconds);
|
||
|
|
float get_buffer_length() const;
|
||
|
|
void set_tap_back_pos(float p_seconds);
|
||
|
|
float get_tap_back_pos() const;
|
||
|
|
|
||
|
|
void set_fft_size(FFT_Size);
|
||
|
|
FFT_Size get_fft_size() const;
|
||
|
|
|
||
|
|
AudioEffectSpectrumAnalyzer();
|
||
|
|
};
|
||
|
|
|
||
|
|
VARIANT_ENUM_CAST(AudioEffectSpectrumAnalyzer::FFT_Size);
|
||
|
|
|
||
|
|
#endif // AUDIO_EFFECT_SPECTRUM_ANALYZER_H
|