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77 lines
3.1 KiB
C
77 lines
3.1 KiB
C
/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* ====================================================================
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* Copyright (c) 2010 Carnegie Mellon University. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* This work was supported in part by funding from the Defense Advanced
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* Research Projects Agency and the National Science Foundation of the
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* United States of America, and the CMU Sphinx Speech Consortium.
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*
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* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
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* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
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* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ====================================================================
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*
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*/
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/**
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* @file state_align_search.h State (and phone and word) alignment search.
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*/
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#ifndef __STATE_ALIGN_SEARCH_H__
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#define __STATE_ALIGN_SEARCH_H__
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/* SphinxBase headers. */
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#include <sphinxbase/prim_type.h>
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/* Local headers. */
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#include "pocketsphinx_internal.h"
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#include "ps_alignment.h"
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#include "hmm.h"
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/**
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* Phone loop search structure.
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*/
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struct state_align_search_s {
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ps_search_t base; /**< Base search structure. */
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hmm_context_t *hmmctx; /**< HMM context structure. */
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ps_alignment_t *al; /**< Alignment structure being operated on. */
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hmm_t *hmms; /**< Vector of HMMs corresponding to phone level. */
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int n_phones; /**< Number of HMMs (phones). */
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int frame; /**< Current frame being processed. */
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int32 best_score; /**< Best score in current frame. */
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int n_emit_state; /**< Number of emitting states (tokens per frame) */
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uint16 *tokens; /**< Tokens (backpointers) for state alignment. */
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int n_fr_alloc; /**< Number of frames of tokens allocated. */
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};
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typedef struct state_align_search_s state_align_search_t;
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ps_search_t *state_align_search_init(cmd_ln_t *config,
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acmod_t *acmod,
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ps_alignment_t *al);
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#endif /* __STATE_ALIGN_SEARCH_H__ */
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