loudness.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_LOUDNESS_H
#define GROOVE_LOUDNESS_H

#include <groove/groove.h>

struct GrooveLoudnessDetectorInfo {
    double loudness;
    double peak;
    double duration;

    struct GroovePlaylistItem *item;
};

struct GrooveLoudnessDetector {
    int info_queue_size;

    int sink_buffer_size;

    int disable_album;

    struct GroovePlaylist *playlist;
};

GROOVE_EXPORT struct GrooveLoudnessDetector *groove_loudness_detector_create(void);
GROOVE_EXPORT void groove_loudness_detector_destroy(struct GrooveLoudnessDetector *detector);

GROOVE_EXPORT int groove_loudness_detector_attach(struct GrooveLoudnessDetector *detector,
        struct GroovePlaylist *playlist);
GROOVE_EXPORT int groove_loudness_detector_detach(struct GrooveLoudnessDetector *detector);

GROOVE_EXPORT int groove_loudness_detector_info_get(struct GrooveLoudnessDetector *detector,
        struct GrooveLoudnessDetectorInfo *info, int block);

GROOVE_EXPORT int groove_loudness_detector_info_peek(struct GrooveLoudnessDetector *detector,
        int block);

GROOVE_EXPORT void groove_loudness_detector_position(struct GrooveLoudnessDetector *detector,
        struct GroovePlaylistItem **item, double *seconds);

#endif