ad.h

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#ifndef __AD_H__
#define __AD_H__
 
#include <stddef.h>
#include <stdint.h>
 
#ifdef _MSC_VER
#include <basetsd.h>
typedef SSIZE_T ssize_t;
#else
#include <sys/types.h>
#endif
 
struct adinfo {
        unsigned int sample_rate;
        unsigned int channels;
        int64_t length; //milliseconds
        int64_t frames; //total number of frames (eg a frame for 16bit stereo is 4 bytes).
        int     bit_rate;
        int     bit_depth;
        char *  meta_data;
        int     can_seek;
};
 
/* --- public API --- */

void *  ad_open  (const char *fn, struct adinfo *nfo);

int     ad_close (void *sf);

int64_t ad_seek  (void *sf, int64_t pos);

ssize_t ad_read  (void *sf, float* out, size_t len);

int ad_get_bitrate(void *sf);

int     ad_info  (void *sf, struct adinfo *nfo);

void    ad_clear_nfo     (struct adinfo *nfo);

void    ad_free_nfo      (struct adinfo *nfo);
 
 
/* --- helper functions --- */

int ad_finfo             (const char *, struct adinfo *);

ssize_t ad_read_mono_dbl (void *, struct adinfo *, double*, size_t);

void ad_dump_nfo            (int dbglvl, struct adinfo *nfo);

void ad_set_debuglevel(int lvl);
 
#endif