Add m-esr52 at 52.6.0

1 files changed, 271 insertions, 0 deletions

diff --git a/media/pocketsphinx/src/mdef.h b/media/pocketsphinx/src/mdef.h
new file mode 100644
index 000000000..b0a7ced17
--- /dev/null
+++ b/media/pocketsphinx/src/mdef.h
@@ -0,0 +1,271 @@
+/* -*- 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