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/**
* Copyright (C) 2002,2003 Pascal Haakmat.
* Licensed under the GNU GPL.
* Absolutely no warranty.
*/
#ifndef CACHE_H
#define CACHE_H
#include <stdlib.h>
#include <audiofile.h>
#include <config.h>
#define CACHE_MAX_BLOCKS 16
#define CACHE_MIN_BLOCK_SIZE 1000 /* in frames */
typedef enum {
CACHE_REAL,
CACHE_NULL
} cache_type;
typedef struct _cache {
cache_type type;
size_t high;
size_t low;
size_t sz;
void *data;
char *disk;
} cache;
cache *
cache_new(cache_type type,
size_t sz);
cache *
cache_clone(cache *c,
size_t off,
size_t sz);
void
cache_destroy(cache *c);
size_t
cache_fill(cache *c,
void *src,
size_t offset,
size_t sz);
void
cache_find(cache *c,
void *dst,
size_t *offset,
size_t *sz);
void
cache_clear(cache *c);
int
cache_resize(cache *c,
size_t sz);
void
cache_move(cache *c,
size_t new_off,
size_t old_off,
size_t sz);
cache *
cache_join(cache *c1,
cache *c2);
void
cache_dump(cache *c);
#endif /* ! CACHE_H */
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