kws_detections.c
/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
* Copyright (c) 2014 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
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* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
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* distribution.
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*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/
/*
* kws_detections.c -- Object for storing keyphrase search results
*/
#include "kws_detections.h"
void
kws_detections_reset(kws_detections_t *detections)
{
gnode_t *gn;
if (!detections->detect_list)
return;
for (gn = detections->detect_list; gn; gn = gnode_next(gn))
ckd_free(gnode_ptr(gn));
glist_free(detections->detect_list);
detections->detect_list = NULL;
}
void
kws_detections_add(kws_detections_t *detections, const char* keyphrase, int sf, int ef, int prob, int ascr)
{
gnode_t *gn;
kws_detection_t* detection;
for (gn = detections->detect_list; gn; gn = gnode_next(gn)) {
kws_detection_t *det = (kws_detection_t *)gnode_ptr(gn);
if (strcmp(keyphrase, det->keyphrase) == 0 && det->sf < ef && det->ef > sf) {
if (det->prob < prob) {
det->sf = sf;
det->ef = ef;
det->prob = prob;
det->ascr = ascr;
}
return;
}
}
/* Nothing found */
detection = (kws_detection_t *)ckd_calloc(1, sizeof(*detection));
detection->sf = sf;
detection->ef = ef;
detection->keyphrase = keyphrase;
detection->prob = prob;
detection->ascr = ascr;
detections->detect_list = glist_add_ptr(detections->detect_list, detection);
}
char *
kws_detections_hyp_str(kws_detections_t *detections, int frame, int delay)
{
gnode_t *gn;
char *c;
int len;
char *hyp_str;
len = 0;
for (gn = detections->detect_list; gn; gn = gnode_next(gn)) {
kws_detection_t *det = (kws_detection_t *)gnode_ptr(gn);
if (det->ef < frame - delay) {
len += strlen(det->keyphrase) + 1;
}
}
if (len == 0) {
return NULL;
}
hyp_str = (char *)ckd_calloc(len, sizeof(char));
c = hyp_str;
for (gn = detections->detect_list; gn; gn = gnode_next(gn)) {
kws_detection_t *det = (kws_detection_t *)gnode_ptr(gn);
if (det->ef < frame - delay) {
memcpy(c, det->keyphrase, strlen(det->keyphrase));
c += strlen(det->keyphrase);
*c = ' ';
c++;
}
}
if (c > hyp_str) {
c--;
*c = '\0';
}
return hyp_str;
}
kws_detections_s
Definition: kws_detections.h:57
kws_detection_s
Definition: kws_detections.h:49