<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>PocketSphinx: src/libpocketsphinx/fsg_history.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">PocketSphinx <span id="projectnumber">0.6</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('fsg__history_8c.html',''); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <h1>src/libpocketsphinx/fsg_history.c</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */</span> <a name="l00002"></a>00002 <span class="comment">/* ====================================================================</span> <a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 1999-2004 Carnegie Mellon University. All rights</span> <a name="l00004"></a>00004 <span class="comment"> * reserved.</span> <a name="l00005"></a>00005 <span class="comment"> *</span> <a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span> <a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions</span> <a name="l00008"></a>00008 <span class="comment"> * are met:</span> <a name="l00009"></a>00009 <span class="comment"> *</span> <a name="l00010"></a>00010 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span> <a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span> <a name="l00012"></a>00012 <span class="comment"> *</span> <a name="l00013"></a>00013 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span> <a name="l00014"></a>00014 <span class="comment"> * notice, this list of conditions and the following disclaimer in</span> <a name="l00015"></a>00015 <span class="comment"> * the documentation and/or other materials provided with the</span> <a name="l00016"></a>00016 <span class="comment"> * distribution.</span> <a name="l00017"></a>00017 <span class="comment"> *</span> <a name="l00018"></a>00018 <span class="comment"> *</span> <a name="l00019"></a>00019 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span> <a name="l00020"></a>00020 <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span> <a name="l00021"></a>00021 <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span> <a name="l00022"></a>00022 <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span> <a name="l00023"></a>00023 <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span> <a name="l00024"></a>00024 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span> <a name="l00025"></a>00025 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span> <a name="l00026"></a>00026 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span> <a name="l00027"></a>00027 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span> <a name="l00028"></a>00028 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span> <a name="l00029"></a>00029 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span> <a name="l00030"></a>00030 <span class="comment"> *</span> <a name="l00031"></a>00031 <span class="comment"> * ====================================================================</span> <a name="l00032"></a>00032 <span class="comment"> *</span> <a name="l00033"></a>00033 <span class="comment"> */</span> <a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="comment">/*</span> <a name="l00036"></a>00036 <span class="comment"> * fsg_history.c -- FSG Viterbi decode history</span> <a name="l00037"></a>00037 <span class="comment"> * </span> <a name="l00038"></a>00038 <span class="comment"> * **********************************************</span> <a name="l00039"></a>00039 <span class="comment"> * CMU ARPA Speech Project</span> <a name="l00040"></a>00040 <span class="comment"> *</span> <a name="l00041"></a>00041 <span class="comment"> * Copyright (c) 1999 Carnegie Mellon University.</span> <a name="l00042"></a>00042 <span class="comment"> * ALL RIGHTS RESERVED.</span> <a name="l00043"></a>00043 <span class="comment"> * **********************************************</span> <a name="l00044"></a>00044 <span class="comment"> * </span> <a name="l00045"></a>00045 <span class="comment"> * HISTORY</span> <a name="l00046"></a>00046 <span class="comment"> * </span> <a name="l00047"></a>00047 <span class="comment"> * 25-Feb-2004 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University</span> <a name="l00048"></a>00048 <span class="comment"> * Started..</span> <a name="l00049"></a>00049 <span class="comment"> */</span> <a name="l00050"></a>00050 <a name="l00051"></a>00051 <span class="comment">/* System headers. */</span> <a name="l00052"></a>00052 <span class="preprocessor">#include <assert.h></span> <a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="comment">/* SphinxBase headers. */</span> <a name="l00055"></a>00055 <span class="preprocessor">#include <sphinxbase/prim_type.h></span> <a name="l00056"></a>00056 <span class="preprocessor">#include <sphinxbase/err.h></span> <a name="l00057"></a>00057 <span class="preprocessor">#include <sphinxbase/ckd_alloc.h></span> <a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="comment">/* Local headers. */</span> <a name="l00060"></a>00060 <span class="preprocessor">#include "fsg_search_internal.h"</span> <a name="l00061"></a>00061 <span class="preprocessor">#include "fsg_history.h"</span> <a name="l00062"></a>00062 <a name="l00063"></a>00063 <a name="l00064"></a>00064 <span class="preprocessor">#define __FSG_DBG__ 0</span> <a name="l00065"></a>00065 <span class="preprocessor"></span> <a name="l00066"></a>00066 <a name="l00067"></a>00067 <a class="code" href="structfsg__history__s.html">fsg_history_t</a> * <a name="l00068"></a>00068 fsg_history_init(fsg_model_t * fsg, <a class="code" href="structdict__t.html" title="a structure for a dictionary.">dict_t</a> *dict) <a name="l00069"></a>00069 { <a name="l00070"></a>00070 <a class="code" href="structfsg__history__s.html">fsg_history_t</a> *h; <a name="l00071"></a>00071 <a name="l00072"></a>00072 h = (<a class="code" href="structfsg__history__s.html">fsg_history_t</a> *) ckd_calloc(1, <span class="keyword">sizeof</span>(<a class="code" href="structfsg__history__s.html">fsg_history_t</a>)); <a name="l00073"></a>00073 h->fsg = fsg; <a name="l00074"></a>00074 h->entries = blkarray_list_init(); <a name="l00075"></a>00075 <a name="l00076"></a>00076 <span class="keywordflow">if</span> (fsg) { <a name="l00077"></a>00077 <span class="keywordflow">if</span> (dict) <a name="l00078"></a>00078 h->n_ciphone = bin_mdef_n_ciphone(dict-><a class="code" href="structdict__t.html#a3a01eb5a3ebda5652d434be26e0cfdd2" title="Model definition used for phone IDs; NULL if none used.">mdef</a>); <a name="l00079"></a>00079 h->frame_entries = <a name="l00080"></a>00080 (glist_t **) ckd_calloc_2d(fsg_model_n_state(fsg), <a name="l00081"></a>00081 bin_mdef_n_ciphone(dict-><a class="code" href="structdict__t.html#a3a01eb5a3ebda5652d434be26e0cfdd2" title="Model definition used for phone IDs; NULL if none used.">mdef</a>), <a name="l00082"></a>00082 <span class="keyword">sizeof</span>(**h->frame_entries)); <a name="l00083"></a>00083 } <a name="l00084"></a>00084 <span class="keywordflow">else</span> { <a name="l00085"></a>00085 h->frame_entries = NULL; <a name="l00086"></a>00086 } <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="keywordflow">return</span> h; <a name="l00089"></a>00089 } <a name="l00090"></a>00090 <a name="l00091"></a>00091 <span class="keywordtype">void</span> <a name="l00092"></a>00092 fsg_history_free(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> *h) <a name="l00093"></a>00093 { <a name="l00094"></a>00094 int32 s, lc, ns, np; <a name="l00095"></a>00095 gnode_t *gn; <a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="keywordflow">if</span> (h->fsg) { <a name="l00098"></a>00098 ns = fsg_model_n_state(h->fsg); <a name="l00099"></a>00099 np = h->n_ciphone; <a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keywordflow">for</span> (s = 0; s < ns; s++) { <a name="l00102"></a>00102 <span class="keywordflow">for</span> (lc = 0; lc < np; lc++) { <a name="l00103"></a>00103 <span class="keywordflow">for</span> (gn = h->frame_entries[s][lc]; gn; gn = gnode_next(gn)) { <a name="l00104"></a>00104 ckd_free(gnode_ptr(gn)); <a name="l00105"></a>00105 } <a name="l00106"></a>00106 glist_free(h->frame_entries[s][lc]); <a name="l00107"></a>00107 } <a name="l00108"></a>00108 } <a name="l00109"></a>00109 } <a name="l00110"></a>00110 ckd_free_2d(h->frame_entries); <a name="l00111"></a>00111 blkarray_list_free(h->entries); <a name="l00112"></a>00112 ckd_free(h); <a name="l00113"></a>00113 } <a name="l00114"></a>00114 <a name="l00115"></a>00115 <a name="l00116"></a>00116 <span class="keywordtype">void</span> <a name="l00117"></a>00117 fsg_history_set_fsg(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> *h, fsg_model_t *fsg, <a class="code" href="structdict__t.html" title="a structure for a dictionary.">dict_t</a> *dict) <a name="l00118"></a>00118 { <a name="l00119"></a>00119 <span class="keywordflow">if</span> (blkarray_list_n_valid(h->entries) != 0) { <a name="l00120"></a>00120 E_WARN(<span class="stringliteral">"Switching FSG while history not empty; history cleared\n"</span>); <a name="l00121"></a>00121 blkarray_list_reset(h->entries); <a name="l00122"></a>00122 } <a name="l00123"></a>00123 <a name="l00124"></a>00124 <span class="keywordflow">if</span> (h->frame_entries) <a name="l00125"></a>00125 ckd_free_2d((<span class="keywordtype">void</span> **) h->frame_entries); <a name="l00126"></a>00126 h->frame_entries = NULL; <a name="l00127"></a>00127 h->fsg = fsg; <a name="l00128"></a>00128 <a name="l00129"></a>00129 <span class="keywordflow">if</span> (fsg) { <a name="l00130"></a>00130 <span class="keywordflow">if</span> (dict) <a name="l00131"></a>00131 h->n_ciphone = bin_mdef_n_ciphone(dict-><a class="code" href="structdict__t.html#a3a01eb5a3ebda5652d434be26e0cfdd2" title="Model definition used for phone IDs; NULL if none used.">mdef</a>); <a name="l00132"></a>00132 h->frame_entries = <a name="l00133"></a>00133 (glist_t **) ckd_calloc_2d(fsg_model_n_state(fsg), <a name="l00134"></a>00134 bin_mdef_n_ciphone(dict-><a class="code" href="structdict__t.html#a3a01eb5a3ebda5652d434be26e0cfdd2" title="Model definition used for phone IDs; NULL if none used.">mdef</a>), <a name="l00135"></a>00135 <span class="keyword">sizeof</span>(glist_t)); <a name="l00136"></a>00136 } <a name="l00137"></a>00137 } <a name="l00138"></a>00138 <a name="l00139"></a>00139 <a name="l00140"></a>00140 <span class="keywordtype">void</span> <a name="l00141"></a>00141 fsg_history_entry_add(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h, <a name="l00142"></a>00142 fsg_link_t * link, <a name="l00143"></a>00143 int32 frame, int32 score, int32 pred, <a name="l00144"></a>00144 int32 lc, <a class="code" href="structfsg__pnode__ctxt__t.html">fsg_pnode_ctxt_t</a> rc) <a name="l00145"></a>00145 { <a name="l00146"></a>00146 <a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *entry, *new_entry; <a name="l00147"></a>00147 int32 s; <a name="l00148"></a>00148 gnode_t *gn, *prev_gn; <a name="l00149"></a>00149 <a name="l00150"></a>00150 <span class="comment">/* Skip the optimization for the initial dummy entries; always enter them */</span> <a name="l00151"></a>00151 <span class="keywordflow">if</span> (frame < 0) { <a name="l00152"></a>00152 new_entry = <a name="l00153"></a>00153 (<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *) ckd_calloc(1, <span class="keyword">sizeof</span>(<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a>)); <a name="l00154"></a>00154 new_entry->fsglink = link; <a name="l00155"></a>00155 new_entry->frame = frame; <a name="l00156"></a>00156 new_entry->score = score; <a name="l00157"></a>00157 new_entry->pred = pred; <a name="l00158"></a>00158 new_entry->lc = lc; <a name="l00159"></a>00159 new_entry->rc = rc; <a name="l00160"></a>00160 <a name="l00161"></a>00161 blkarray_list_append(h->entries, (<span class="keywordtype">void</span> *) new_entry); <a name="l00162"></a>00162 <span class="keywordflow">return</span>; <a name="l00163"></a>00163 } <a name="l00164"></a>00164 <a name="l00165"></a>00165 s = fsg_link_to_state(link); <a name="l00166"></a>00166 <a name="l00167"></a>00167 <span class="comment">/* Locate where this entry should be inserted in frame_entries[s][lc] */</span> <a name="l00168"></a>00168 prev_gn = NULL; <a name="l00169"></a>00169 <span class="keywordflow">for</span> (gn = h->frame_entries[s][lc]; gn; gn = gnode_next(gn)) { <a name="l00170"></a>00170 entry = (<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *) gnode_ptr(gn); <a name="l00171"></a>00171 <a name="l00172"></a>00172 <span class="keywordflow">if</span> (score <a class="code" href="hmm_8h.html#a2874ab52613ff781c96f570ec0eb0d98" title="Is one score better than another?">BETTER_THAN</a> entry->score) <a name="l00173"></a>00173 <span class="keywordflow">break</span>; <span class="comment">/* Found where to insert new entry */</span> <a name="l00174"></a>00174 <a name="l00175"></a>00175 <span class="comment">/* Existing entry score not worse than new score */</span> <a name="l00176"></a>00176 <span class="keywordflow">if</span> (FSG_PNODE_CTXT_SUB(&rc, &(entry->rc)) == 0) <a name="l00177"></a>00177 <span class="keywordflow">return</span>; <span class="comment">/* rc set reduced to 0; new entry can be ignored */</span> <a name="l00178"></a>00178 <a name="l00179"></a>00179 prev_gn = gn; <a name="l00180"></a>00180 } <a name="l00181"></a>00181 <a name="l00182"></a>00182 <span class="comment">/* Create new entry after prev_gn (if prev_gn is NULL, at head) */</span> <a name="l00183"></a>00183 new_entry = <a name="l00184"></a>00184 (<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *) ckd_calloc(1, <span class="keyword">sizeof</span>(<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a>)); <a name="l00185"></a>00185 new_entry->fsglink = link; <a name="l00186"></a>00186 new_entry->frame = frame; <a name="l00187"></a>00187 new_entry->score = score; <a name="l00188"></a>00188 new_entry->pred = pred; <a name="l00189"></a>00189 new_entry->lc = lc; <a name="l00190"></a>00190 new_entry->rc = rc; <span class="comment">/* Note: rc set must be non-empty at this point */</span> <a name="l00191"></a>00191 <a name="l00192"></a>00192 <span class="keywordflow">if</span> (!prev_gn) { <a name="l00193"></a>00193 h->frame_entries[s][lc] = glist_add_ptr(h->frame_entries[s][lc], <a name="l00194"></a>00194 (<span class="keywordtype">void</span> *) new_entry); <a name="l00195"></a>00195 prev_gn = h->frame_entries[s][lc]; <a name="l00196"></a>00196 } <a name="l00197"></a>00197 <span class="keywordflow">else</span> <a name="l00198"></a>00198 prev_gn = glist_insert_ptr(prev_gn, (<span class="keywordtype">void</span> *) new_entry); <a name="l00199"></a>00199 <a name="l00200"></a>00200 <span class="comment">/*</span> <a name="l00201"></a>00201 <span class="comment"> * Update the rc set of all the remaining entries in the list. At this</span> <a name="l00202"></a>00202 <span class="comment"> * point, gn is the entry, if any, immediately following new entry.</span> <a name="l00203"></a>00203 <span class="comment"> */</span> <a name="l00204"></a>00204 <span class="keywordflow">while</span> (gn) { <a name="l00205"></a>00205 entry = (<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *) gnode_ptr(gn); <a name="l00206"></a>00206 <a name="l00207"></a>00207 <span class="keywordflow">if</span> (FSG_PNODE_CTXT_SUB(&(entry->rc), &rc) == 0) { <a name="l00208"></a>00208 <span class="comment">/* rc set of entry reduced to 0; can prune this entry */</span> <a name="l00209"></a>00209 ckd_free((<span class="keywordtype">void</span> *) entry); <a name="l00210"></a>00210 gn = gnode_free(gn, prev_gn); <a name="l00211"></a>00211 } <a name="l00212"></a>00212 <span class="keywordflow">else</span> { <a name="l00213"></a>00213 prev_gn = gn; <a name="l00214"></a>00214 gn = gnode_next(gn); <a name="l00215"></a>00215 } <a name="l00216"></a>00216 } <a name="l00217"></a>00217 } <a name="l00218"></a>00218 <a name="l00219"></a>00219 <a name="l00220"></a>00220 <span class="comment">/*</span> <a name="l00221"></a>00221 <span class="comment"> * Transfer the surviving history entries for this frame into the permanent</span> <a name="l00222"></a>00222 <span class="comment"> * history table.</span> <a name="l00223"></a>00223 <span class="comment"> */</span> <a name="l00224"></a>00224 <span class="keywordtype">void</span> <a name="l00225"></a>00225 fsg_history_end_frame(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h) <a name="l00226"></a>00226 { <a name="l00227"></a>00227 int32 s, lc, ns, np; <a name="l00228"></a>00228 gnode_t *gn; <a name="l00229"></a>00229 <a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *entry; <a name="l00230"></a>00230 <a name="l00231"></a>00231 ns = fsg_model_n_state(h->fsg); <a name="l00232"></a>00232 np = h->n_ciphone; <a name="l00233"></a>00233 <a name="l00234"></a>00234 <span class="keywordflow">for</span> (s = 0; s < ns; s++) { <a name="l00235"></a>00235 <span class="keywordflow">for</span> (lc = 0; lc < np; lc++) { <a name="l00236"></a>00236 <span class="keywordflow">for</span> (gn = h->frame_entries[s][lc]; gn; gn = gnode_next(gn)) { <a name="l00237"></a>00237 entry = (<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *) gnode_ptr(gn); <a name="l00238"></a>00238 blkarray_list_append(h->entries, (<span class="keywordtype">void</span> *) entry); <a name="l00239"></a>00239 } <a name="l00240"></a>00240 <a name="l00241"></a>00241 glist_free(h->frame_entries[s][lc]); <a name="l00242"></a>00242 h->frame_entries[s][lc] = NULL; <a name="l00243"></a>00243 } <a name="l00244"></a>00244 } <a name="l00245"></a>00245 } <a name="l00246"></a>00246 <a name="l00247"></a>00247 <a name="l00248"></a>00248 <a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> * <a name="l00249"></a>00249 fsg_history_entry_get(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h, int32 <span class="keywordtype">id</span>) <a name="l00250"></a>00250 { <a name="l00251"></a>00251 <a class="code" href="structblkarray__list__s.html">blkarray_list_t</a> *entries; <a name="l00252"></a>00252 int32 r, c; <a name="l00253"></a>00253 <a name="l00254"></a>00254 entries = h->entries; <a name="l00255"></a>00255 <a name="l00256"></a>00256 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> >= blkarray_list_n_valid(entries)) <a name="l00257"></a>00257 <span class="keywordflow">return</span> NULL; <a name="l00258"></a>00258 <a name="l00259"></a>00259 r = <span class="keywordtype">id</span> / blkarray_list_blksize(entries); <a name="l00260"></a>00260 c = <span class="keywordtype">id</span> - (r * blkarray_list_blksize(entries)); <a name="l00261"></a>00261 <a name="l00262"></a>00262 <span class="keywordflow">return</span> ((<a class="code" href="structfsg__hist__entry__s.html">fsg_hist_entry_t</a> *) blkarray_list_ptr(entries, r, c)); <a name="l00263"></a>00263 } <a name="l00264"></a>00264 <a name="l00265"></a>00265 <a name="l00266"></a>00266 <span class="keywordtype">void</span> <a name="l00267"></a>00267 fsg_history_reset(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h) <a name="l00268"></a>00268 { <a name="l00269"></a>00269 blkarray_list_reset(h->entries); <a name="l00270"></a>00270 } <a name="l00271"></a>00271 <a name="l00272"></a>00272 <a name="l00273"></a>00273 int32 <a name="l00274"></a>00274 fsg_history_n_entries(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h) <a name="l00275"></a>00275 { <a name="l00276"></a>00276 <span class="keywordflow">return</span> (blkarray_list_n_valid(h->entries)); <a name="l00277"></a>00277 } <a name="l00278"></a>00278 <a name="l00279"></a>00279 <span class="keywordtype">void</span> <a name="l00280"></a>00280 fsg_history_utt_start(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h) <a name="l00281"></a>00281 { <a name="l00282"></a>00282 int32 s, lc, ns, np; <a name="l00283"></a>00283 <a name="l00284"></a>00284 assert(blkarray_list_n_valid(h->entries) == 0); <a name="l00285"></a>00285 assert(h->frame_entries); <a name="l00286"></a>00286 <a name="l00287"></a>00287 ns = fsg_model_n_state(h->fsg); <a name="l00288"></a>00288 np = h->n_ciphone; <a name="l00289"></a>00289 <a name="l00290"></a>00290 <span class="keywordflow">for</span> (s = 0; s < ns; s++) { <a name="l00291"></a>00291 <span class="keywordflow">for</span> (lc = 0; lc < np; lc++) { <a name="l00292"></a>00292 assert(h->frame_entries[s][lc] == NULL); <a name="l00293"></a>00293 } <a name="l00294"></a>00294 } <a name="l00295"></a>00295 } <a name="l00296"></a>00296 <a name="l00297"></a>00297 <span class="keywordtype">void</span> <a name="l00298"></a>00298 fsg_history_utt_end(<a class="code" href="structfsg__history__s.html">fsg_history_t</a> * h) <a name="l00299"></a>00299 { <a name="l00300"></a>00300 } </pre></div></div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><b>fsg_history.c</b> </li> <li class="footer">Generated on Wed Apr 20 2011 for PocketSphinx by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li> </ul> </div> </body> </html>