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/*
 * kws_detections.h -- Structures for storing keyphrase spotting results.
 */

#ifndef __KWS_DETECTIONS_H__
#define __KWS_DETECTIONS_H__

#include <soundswallower/glist.h>
#include <soundswallower/pocketsphinx_internal.h>
#include <soundswallower/hmm.h>

#ifdef __cplusplus
extern "C" {
#endif
#if 0
}
#endif

typedef struct kws_detection_s {
    const char* keyphrase;
    frame_idx_t sf;
    frame_idx_t ef;
    int32 prob;
    int32 ascr;
} kws_detection_t;

typedef struct kws_detections_s {
    glist_t detect_list;
} kws_detections_t;

/**
 * Reset history structure.
 */
void kws_detections_reset(kws_detections_t *detections);

/**
 * Add history entry.
 */
void kws_detections_add(kws_detections_t *detections, const char* keyphrase, int sf, int ef, int prob, int ascr);

/**
 * Compose hypothesis.
 */
char* kws_detections_hyp_str(kws_detections_t *detections, int frame, int delay);

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* __KWS_DETECTIONS_H__ */
