#ifndef _XAS_SYNTH_H
#define _XAS_SYNTH_H

#include <stdint.h>
#include <sys/types.h>

#include <xas/audio.h>

typedef struct _xas_synth xas_synth;

typedef int16_t (*xas_synth_callback_sample)(xas_synth *synth, void *ctx);

typedef void (*xas_synth_callback_destroy)(xas_synth *synth, void *ctx);

struct _xas_synth {
    size_t sample_rate;

    xas_synth_callback_sample sample;
    xas_synth_callback_destroy destroy;
    void *ctx;
};

xas_synth *xas_synth_new(size_t sample_rate,
                             xas_synth_callback_sample  sample,
                             xas_synth_callback_destroy destroy,
                             void *ctx);

void xas_synth_destroy(xas_synth *synth);

int16_t xas_synth_sample(xas_synth *synth);

ssize_t xas_synth_fill(xas_synth *synth,
                         int16_t *samples,
                         size_t count);

#endif /* _XAS_SYNTH_H */