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Diffstat (limited to 'media/pocketsphinx/src/mdef.h')
-rw-r--r-- | media/pocketsphinx/src/mdef.h | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/media/pocketsphinx/src/mdef.h b/media/pocketsphinx/src/mdef.h deleted file mode 100644 index b0a7ced17..000000000 --- a/media/pocketsphinx/src/mdef.h +++ /dev/null @@ -1,271 +0,0 @@ -/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ -/* ==================================================================== - * Copyright (c) 1999-2004 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. - * - * ==================================================================== - * - */ - -/* - * mdef.h -- HMM model definition: base (CI) phones and triphones - * - * ********************************************** - * CMU ARPA Speech Project - * - * Copyright (c) 1999 Carnegie Mellon University. - * ALL RIGHTS RESERVED. - * ********************************************** - */ - - -#ifndef __MDEF_H__ -#define __MDEF_H__ - - -/* System headers. */ -#include <stdio.h> - -/* SphinxBase headers. */ -#include <sphinxbase/hash_table.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/** \file mdef.h - * \brief Model definition - */ - -/** \enum word_posn_t - * \brief Union of different type of word position - */ - -typedef enum { - WORD_POSN_INTERNAL = 0, /**< Internal phone of word */ - WORD_POSN_BEGIN = 1, /**< Beginning phone of word */ - WORD_POSN_END = 2, /**< Ending phone of word */ - WORD_POSN_SINGLE = 3, /**< Single phone word (i.e. begin & end) */ - WORD_POSN_UNDEFINED = 4 /**< Undefined value, used for initial conditions, etc */ -} word_posn_t; -#define N_WORD_POSN 4 /**< total # of word positions (excluding undefined) */ -#define WPOS_NAME "ibesu" /**< Printable code for each word position above */ -#define S3_SILENCE_CIPHONE "SIL" /**< Hard-coded silence CI phone name */ - -/** - \struct ciphone_t - \brief CI phone information -*/ -typedef struct { - char *name; /**< The name of the CI phone */ - int32 filler; /**< Whether a filler phone; if so, can be substituted by - silence phone in left or right context position */ -} ciphone_t; - -/** - * \struct phone_t - * \brief Triphone information, including base phones as a subset. For the latter, lc, rc and wpos are non-existent. - */ -typedef struct { - int32 ssid; /**< State sequence (or senone sequence) ID, considering the - n_emit_state senone-ids are a unit. The senone sequences - themselves are in a separate table */ - int32 tmat; /**< Transition matrix id */ - int16 ci, lc, rc; /**< Base, left, right context ciphones */ - word_posn_t wpos; /**< Word position */ - -} phone_t; - -/** - * \struct ph_rc_t - * \brief Structures needed for mapping <ci,lc,rc,wpos> into pid. (See mdef_t.wpos_ci_lclist below.) (lc = left context; rc = right context.) - * NOTE: Both ph_rc_t and ph_lc_t FOR INTERNAL USE ONLY. - */ -typedef struct ph_rc_s { - int16 rc; /**< Specific rc for a parent <wpos,ci,lc> */ - int32 pid; /**< Triphone id for above rc instance */ - struct ph_rc_s *next; /**< Next rc entry for same parent <wpos,ci,lc> */ -} ph_rc_t; - -/** - * \struct ph_lc_t - * \brief Structures for storing the left context. - */ - -typedef struct ph_lc_s { - int16 lc; /**< Specific lc for a parent <wpos,ci> */ - ph_rc_t *rclist; /**< rc list for above lc instance */ - struct ph_lc_s *next; /**< Next lc entry for same parent <wpos,ci> */ -} ph_lc_t; - - -/** The main model definition structure */ -/** - \struct mdef_t - \brief strcture for storing the model definition. -*/ -typedef struct { - int32 n_ciphone; /**< number basephones actually present */ - int32 n_phone; /**< number basephones + number triphones actually present */ - int32 n_emit_state; /**< number emitting states per phone */ - int32 n_ci_sen; /**< number CI senones; these are the first */ - int32 n_sen; /**< number senones (CI+CD) */ - int32 n_tmat; /**< number transition matrices */ - - hash_table_t *ciphone_ht; /**< Hash table for mapping ciphone strings to ids */ - ciphone_t *ciphone; /**< CI-phone information for all ciphones */ - phone_t *phone; /**< Information for all ciphones and triphones */ - uint16 **sseq; /**< Unique state (or senone) sequences in this model, shared - among all phones/triphones */ - int32 n_sseq; /**< No. of unique senone sequences in this model */ - - int16 *cd2cisen; /**< Parent CI-senone id for each senone; the first - n_ci_sen are identity mappings; the CD-senones are - contiguous for each parent CI-phone */ - int16 *sen2cimap; /**< Parent CI-phone for each senone (CI or CD) */ - - int16 sil; /**< SILENCE_CIPHONE id */ - - ph_lc_t ***wpos_ci_lclist; /**< wpos_ci_lclist[wpos][ci] = list of lc for <wpos,ci>. - wpos_ci_lclist[wpos][ci][lc].rclist = list of rc for - <wpos,ci,lc>. Only entries for the known triphones - are created to conserve space. - (NOTE: FOR INTERNAL USE ONLY.) */ -} mdef_t; - -/** Access macros; not meant for arbitrary use */ -#define mdef_is_fillerphone(m,p) ((m)->ciphone[p].filler) -#define mdef_n_ciphone(m) ((m)->n_ciphone) -#define mdef_n_phone(m) ((m)->n_phone) -#define mdef_n_sseq(m) ((m)->n_sseq) -#define mdef_n_emit_state(m) ((m)->n_emit_state) -#define mdef_n_sen(m) ((m)->n_sen) -#define mdef_n_tmat(m) ((m)->n_tmat) -#define mdef_pid2ssid(m,p) ((m)->phone[p].ssid) -#define mdef_pid2tmatid(m,p) ((m)->phone[p].tmat) -#define mdef_silphone(m) ((m)->sil) -#define mdef_sen2cimap(m) ((m)->sen2cimap) -#define mdef_sseq2sen(m,ss,pos) ((m)->sseq[ss][pos]) -#define mdef_pid2ci(m,p) ((m)->phone[p].ci) -#define mdef_cd2cisen(m) ((m)->cd2cisen) - -/** - * Initialize the phone structure from the given model definition file. - * It should be treated as a READ-ONLY structure. - * @return pointer to the phone structure created. - */ -mdef_t *mdef_init (char *mdeffile, /**< In: Model definition file */ - int breport /**< In: whether to report the progress or not */ - ); - - -/** - Get the ciphone id given a string name - @return ciphone id for the given ciphone string name -*/ -int mdef_ciphone_id(mdef_t *m, /**< In: Model structure being queried */ - char *ciphone /**< In: ciphone for which id wanted */ - ); - -/** - Get the phone string given the ci phone id. - @return: READ-ONLY ciphone string name for the given ciphone id -*/ -const char *mdef_ciphone_str(mdef_t *m, /**< In: Model structure being queried */ - int ci /**< In: ciphone id for which name wanted */ - ); - -/** - Decide whether the phone is ci phone. - @return 1 if given triphone argument is a ciphone, 0 if not, -1 if error -*/ -int mdef_is_ciphone (mdef_t *m, /**< In: Model structure being queried */ - int p /**< In: triphone id being queried */ - ); - -/** - Decide whether the senone is a senone for a ci phone, or a ci senone - @return 1 if a given senone is a ci senone -*/ -int mdef_is_cisenone(mdef_t *m, /**< In: Model structure being queried */ - int s /**< In: senone id being queried */ - ); - -/** - Decide the phone id given the left, right and base phones. - @return: phone id for the given constituents if found, else BAD_S3PID -*/ -int mdef_phone_id (mdef_t *m, /**< In: Model structure being queried */ - int b, /**< In: base ciphone id */ - int l, /**< In: left context ciphone id */ - int r, /**< In: right context ciphone id */ - word_posn_t pos /**< In: Word position */ - ); - -/** - * Create a phone string for the given phone (base or triphone) id in the given buf. - * @return 0 if successful, -1 if error. - */ -int mdef_phone_str(mdef_t *m, /**< In: Model structure being queried */ - int pid, /**< In: phone id being queried */ - char *buf /**< Out: On return, buf has the string */ - ); - -/** - * Compare the underlying HMMs for two given phones (i.e., compare the two transition - * matrix IDs and the individual state(senone) IDs). - * @return 0 iff the HMMs are identical, -1 otherwise. - */ -int mdef_hmm_cmp (mdef_t *m, /**< In: Model being queried */ - int p1, /**< In: One of the two triphones being compared */ - int p2 /**< In: One of the two triphones being compared */ - ); - -/** Report the model definition's parameters */ -void mdef_report(mdef_t *m /**< In: model definition structure */ - ); - -/** RAH, For freeing memory */ -void mdef_free_recursive_lc (ph_lc_t *lc /**< In: A list of left context */ - ); -void mdef_free_recursive_rc (ph_rc_t *rc /**< In: A list of right context */ - ); - -/** Free an mdef_t */ -void mdef_free (mdef_t *mdef /**< In : The model definition*/ - ); - - -#ifdef __cplusplus -} -#endif - -#endif |