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state_align_search.h
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/* -*- 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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#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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struct
state_align_hist_s
{
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uint16 id;
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int32 score;
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};
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typedef
struct
state_align_hist_s
state_align_hist_t
;
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struct
state_align_search_s
{
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ps_search_t
base
;
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hmm_context_t
*
hmmctx
;
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ps_alignment_t
*
al
;
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hmm_t
*
hmms
;
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int
n_phones
;
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int
frame
;
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int32
best_score
;
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int
n_emit_state
;
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state_align_hist_t
*
tokens
;
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int
n_fr_alloc
;
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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(
const
char
*name,
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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__ */
pocketsphinx_internal.h
Internal implementation of PocketSphinx decoder.
state_align_search_s::n_phones
int n_phones
Number of HMMs (phones).
Definition:
state_align_search.h:71
ps_search_s
Base structure for search module.
Definition:
pocketsphinx_internal.h:98
hmm_t
An individual HMM among the HMM search space.
state_align_hist_s
History structure.
Definition:
state_align_search.h:57
ps_alignment_s
Definition:
ps_alignment.h:80
hmm.h
Implementation of HMM base structure.
state_align_search_s::n_fr_alloc
int n_fr_alloc
Number of frames of tokens allocated.
Definition:
state_align_search.h:78
state_align_search_s::hmms
hmm_t * hmms
Vector of HMMs corresponding to phone level.
Definition:
state_align_search.h:70
state_align_search_s::frame
int frame
Current frame being processed.
Definition:
state_align_search.h:73
state_align_search_s::tokens
state_align_hist_t * tokens
Tokens (backpointers) for state alignment.
Definition:
state_align_search.h:77
hmm_context_t
Shared information between a set of HMMs.
state_align_search_s::base
ps_search_t base
Base search structure.
Definition:
state_align_search.h:67
state_align_search_s::al
ps_alignment_t * al
Alignment structure being operated on.
Definition:
state_align_search.h:69
state_align_search_s::best_score
int32 best_score
Best score in current frame.
Definition:
state_align_search.h:74
state_align_search_s
Phone loop search structure.
Definition:
state_align_search.h:66
ps_alignment.h
Multi-level alignment structure.
acmod_s
Acoustic model structure.
Definition:
acmod.h:148
state_align_search_s::hmmctx
hmm_context_t * hmmctx
HMM context structure.
Definition:
state_align_search.h:68
state_align_search_s::n_emit_state
int n_emit_state
Number of emitting states (tokens per frame)
Definition:
state_align_search.h:76
src
libpocketsphinx
state_align_search.h
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