fingerprinter.h

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/*
 * Copyright (c) 2013 Andrew Kelley
 *
 * This file is part of libgroove, which is MIT licensed.
 * See http://opensource.org/licenses/MIT
 */

#ifndef GROOVE_FINGERPRINTER_H
#define GROOVE_FINGERPRINTER_H

#include <groove/groove.h>

struct GrooveFingerprinterInfo {
    int32_t *fingerprint;
    int fingerprint_size;

    double duration;

    struct GroovePlaylistItem *item;
};

struct GrooveFingerprinter {
    int info_queue_size;

    int sink_buffer_size;

    struct GroovePlaylist *playlist;
};

GROOVE_EXPORT struct GrooveFingerprinter *groove_fingerprinter_create(void);
GROOVE_EXPORT void groove_fingerprinter_destroy(struct GrooveFingerprinter *printer);

GROOVE_EXPORT int groove_fingerprinter_attach(struct GrooveFingerprinter *printer,
        struct GroovePlaylist *playlist);
GROOVE_EXPORT int groove_fingerprinter_detach(struct GrooveFingerprinter *printer);

GROOVE_EXPORT int groove_fingerprinter_info_get(struct GrooveFingerprinter *printer,
        struct GrooveFingerprinterInfo *info, int block);

GROOVE_EXPORT void groove_fingerprinter_free_info(struct GrooveFingerprinterInfo *info);

GROOVE_EXPORT int groove_fingerprinter_info_peek(struct GrooveFingerprinter *printer,
        int block);

GROOVE_EXPORT void groove_fingerprinter_position(struct GrooveFingerprinter *printer,
        struct GroovePlaylistItem **item, double *seconds);

GROOVE_EXPORT int groove_fingerprinter_encode(int32_t *fp, int size, char **encoded_fp);

GROOVE_EXPORT int groove_fingerprinter_decode(char *encoded_fp, int32_t **fp, int *size);

GROOVE_EXPORT void groove_fingerprinter_dealloc(void *ptr);

#endif