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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
* Copyright (c) 2008 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
*
* 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
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
*
*/
/**
* @file ngram_search_fwdflat.h Flat lexicon based Viterbi search.
*/
#ifndef __NGRAM_SEARCH_FWDFLAT_H__
#define __NGRAM_SEARCH_FWDFLAT_H__
/* SphinxBase headers. */
/* Local headers. */
#include "ngram_search.h"
/**
* Initialize N-Gram search for fwdflat decoding.
*/
void ngram_fwdflat_init(ngram_search_t *ngs);
/**
* Release memory associated with fwdflat decoding.
*/
void ngram_fwdflat_deinit(ngram_search_t *ngs);
/**
* Rebuild search structures for updated language models.
*/
int ngram_fwdflat_reinit(ngram_search_t *ngs);
/**
* Start fwdflat decoding for an utterance.
*/
void ngram_fwdflat_start(ngram_search_t *ngs);
/**
* Search one frame forward in an utterance.
*/
int ngram_fwdflat_search(ngram_search_t *ngs, int frame_idx);
/**
* Finish fwdflat decoding for an utterance.
*/
void ngram_fwdflat_finish(ngram_search_t *ngs);
#endif /* __NGRAM_SEARCH_FWDFLAT_H__ */
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