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Diffstat (limited to 'media/pocketsphinx/src/pocketsphinx_internal.h')
| -rw-r--r-- | media/pocketsphinx/src/pocketsphinx_internal.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/media/pocketsphinx/src/pocketsphinx_internal.h b/media/pocketsphinx/src/pocketsphinx_internal.h deleted file mode 100644 index 0e3c43c78..000000000 --- a/media/pocketsphinx/src/pocketsphinx_internal.h +++ /dev/null @@ -1,222 +0,0 @@ -/* -*- 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 pocketsphinx_internal.h Internal implementation of - * PocketSphinx decoder. - * @author David Huggins-Daines <dhuggins@cs.cmu.edu> - */ - -#ifndef __POCKETSPHINX_INTERNAL_H__ -#define __POCKETSPHINX_INTERNAL_H__ - -/* SphinxBase headers. */ -#include <sphinxbase/cmd_ln.h> -#include <sphinxbase/fe.h> -#include <sphinxbase/feat.h> -#include <sphinxbase/hash_table.h> -#include <sphinxbase/logmath.h> -#include <sphinxbase/profile.h> - -/* Local headers. */ -#include "pocketsphinx.h" -#include "acmod.h" -#include "dict.h" -#include "dict2pid.h" - -/** - * Search algorithm structure. - */ -typedef struct ps_search_s ps_search_t; - -#define PS_DEFAULT_SEARCH "default" -#define PS_SEARCH_KWS "kws" -#define PS_SEARCH_FSG "fsg" -#define PS_SEARCH_NGRAM "ngram" - -/** - * V-table for search algorithm. - */ -typedef struct ps_searchfuncs_s { - char const *name; - - int (*start)(ps_search_t *search); - int (*step)(ps_search_t *search, int frame_idx); - int (*finish)(ps_search_t *search); - int (*reinit)(ps_search_t *search, dict_t *dict, dict2pid_t *d2p); - void (*free)(ps_search_t *search); - - ps_lattice_t *(*lattice)(ps_search_t *search); - char const *(*hyp)(ps_search_t *search, int32 *out_score, int32 *out_is_final); - int32 (*prob)(ps_search_t *search); - ps_seg_t *(*seg_iter)(ps_search_t *search, int32 *out_score); -} ps_searchfuncs_t; - -/** - * Base structure for search module. - */ -struct ps_search_s { - ps_searchfuncs_t *vt; /**< V-table of search methods. */ - - ps_search_t *pls; /**< Phoneme loop for lookahead. */ - cmd_ln_t *config; /**< Configuration. */ - acmod_t *acmod; /**< Acoustic model. */ - dict_t *dict; /**< Pronunciation dictionary. */ - dict2pid_t *d2p; /**< Dictionary to senone mappings. */ - char *hyp_str; /**< Current hypothesis string. */ - ps_lattice_t *dag; /**< Current hypothesis word graph. */ - ps_latlink_t *last_link; /**< Final link in best path. */ - int32 post; /**< Utterance posterior probability. */ - int32 n_words; /**< Number of words known to search (may - be less than in the dictionary) */ - - /* Magical word IDs that must exist in the dictionary: */ - int32 start_wid; /**< Start word ID. */ - int32 silence_wid; /**< Silence word ID. */ - int32 finish_wid; /**< Finish word ID. */ -}; - -#define ps_search_base(s) ((ps_search_t *)s) -#define ps_search_config(s) ps_search_base(s)->config -#define ps_search_acmod(s) ps_search_base(s)->acmod -#define ps_search_dict(s) ps_search_base(s)->dict -#define ps_search_dict2pid(s) ps_search_base(s)->d2p -#define ps_search_dag(s) ps_search_base(s)->dag -#define ps_search_last_link(s) ps_search_base(s)->last_link -#define ps_search_post(s) ps_search_base(s)->post -#define ps_search_lookahead(s) ps_search_base(s)->pls -#define ps_search_n_words(s) ps_search_base(s)->n_words - -#define ps_search_name(s) ps_search_base(s)->vt->name -#define ps_search_start(s) (*(ps_search_base(s)->vt->start))(s) -#define ps_search_step(s,i) (*(ps_search_base(s)->vt->step))(s,i) -#define ps_search_finish(s) (*(ps_search_base(s)->vt->finish))(s) -#define ps_search_reinit(s,d,d2p) (*(ps_search_base(s)->vt->reinit))(s,d,d2p) -#define ps_search_free(s) (*(ps_search_base(s)->vt->free))(s) -#define ps_search_lattice(s) (*(ps_search_base(s)->vt->lattice))(s) -#define ps_search_hyp(s,sc,final) (*(ps_search_base(s)->vt->hyp))(s,sc,final) -#define ps_search_prob(s) (*(ps_search_base(s)->vt->prob))(s) -#define ps_search_seg_iter(s,sc) (*(ps_search_base(s)->vt->seg_iter))(s,sc) - -/* For convenience... */ -#define ps_search_silence_wid(s) ps_search_base(s)->silence_wid -#define ps_search_start_wid(s) ps_search_base(s)->start_wid -#define ps_search_finish_wid(s) ps_search_base(s)->finish_wid - -/** - * Initialize base structure. - */ -void ps_search_init(ps_search_t *search, ps_searchfuncs_t *vt, - cmd_ln_t *config, acmod_t *acmod, dict_t *dict, - dict2pid_t *d2p); - -/** - * Re-initialize base structure with new dictionary. - */ -void ps_search_base_reinit(ps_search_t *search, dict_t *dict, - dict2pid_t *d2p); - -/** - * De-initialize base structure. - */ -void ps_search_deinit(ps_search_t *search); - -typedef struct ps_segfuncs_s { - ps_seg_t *(*seg_next)(ps_seg_t *seg); - void (*seg_free)(ps_seg_t *seg); -} ps_segfuncs_t; - -/** - * Base structure for hypothesis segmentation iterator. - */ -struct ps_seg_s { - ps_segfuncs_t *vt; /**< V-table of seg methods */ - ps_search_t *search; /**< Search object from whence this came */ - char const *word; /**< Word string (pointer into dictionary hash) */ - frame_idx_t sf; /**< Start frame. */ - frame_idx_t ef; /**< End frame. */ - int32 ascr; /**< Acoustic score. */ - int32 lscr; /**< Language model score. */ - int32 prob; /**< Log posterior probability. */ - /* This doesn't need to be 32 bits, so once the scores above are - * reduced to 16 bits (or less!), this will be too. */ - int32 lback; /**< Language model backoff. */ - /* Not sure if this should be here at all. */ - float32 lwf; /**< Language weight factor (for second-pass searches) */ -}; - -#define ps_search_seg_next(seg) (*(seg->vt->seg_next))(seg) -#define ps_search_seg_free(s) (*(seg->vt->seg_free))(seg) - - -/** - * Decoder object. - */ -struct ps_decoder_s { - /* Model parameters and such. */ - cmd_ln_t *config; /**< Configuration. */ - int refcount; /**< Reference count. */ - - /* Basic units of computation. */ - acmod_t *acmod; /**< Acoustic model. */ - dict_t *dict; /**< Pronunciation dictionary. */ - dict2pid_t *d2p; /**< Dictionary to senone mapping. */ - logmath_t *lmath; /**< Log math computation. */ - - /* Search modules. */ - hash_table_t *searches; /**< Set of search modules. */ - /* TODO: Convert this to a stack of searches each with their own - * lookahead value. */ - ps_search_t *search; /**< Currently active search module. */ - ps_search_t *phone_loop; /**< Phone loop search for lookahead. */ - int pl_window; /**< Window size for phoneme lookahead. */ - - /* Utterance-processing related stuff. */ - uint32 uttno; /**< Utterance counter. */ - ptmr_t perf; /**< Performance counter for all of decoding. */ - uint32 n_frame; /**< Total number of frames processed. */ - char const *mfclogdir; /**< Log directory for MFCC files. */ - char const *rawlogdir; /**< Log directory for audio files. */ - char const *senlogdir; /**< Log directory for senone score files. */ -}; - - -struct ps_search_iter_s { - hash_iter_t itor; -}; - -#endif /* __POCKETSPHINX_INTERNAL_H__ */ |