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#ifndef INSTRUMENT_H
#define INSTRUMENT_H
#include "util.h"
struct Instrument_s;
typedef struct Instrument_s Instrument;
typedef WaveFrag (*sound_t)(void *, Volume v, Hertz h, Seconds s);
typedef WaveFrag (*merger_t)(void *, WaveFrag *, LENT, int);
WaveFrag make_sound(Instrument * in, Volume v, Hertz h, Seconds s);
WaveFrag piano_sound(void * in, Volume v, Hertz h, Seconds s);
/* Need this so that we can let instruments control reverberation,
say. */
U_ATTR WaveFrag merge_waves(Instrument *in, WaveFrag *frags, LENT len, int step);
/* Various instruments */
Instrument *make_piano();
void destroy_piano(Instrument *in);
/* Violin */
Instrument * make_violin();
void destroy_violin(Instrument *in);
#endif
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