src/audio/synth.h


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#pragma once

#include "dct.h"

#define MAX_SPECTROGRAMS 16
#define MAX_VOICES 16

struct Spectrogram {
    float* spectral_data_a;
    float* spectral_data_b;
    int num_frames;
};

void synth_init();
void synth_shutdown();

int synth_register_spectrogram(const Spectrogram* spec);
void synth_unregister_spectrogram(int spectrogram_id);

float* synth_begin_update(int spectrogram_id);
void synth_commit_update(int spectrogram_id);

void synth_trigger_voice(int spectrogram_id, float volume, float pan);
void synth_render(float* output_buffer, int num_frames);
int synth_get_active_voice_count();