e33764744c
Made AudioFrame and Vector2 equivalent for casting. Added ability to obtain the playback object from stream players. Added ability to obtain effect instance from audio server.
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
|