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<h1>src/sphinx_adtools/cont_fileseg.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) 1999-2001 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"> * This work was supported in part by funding from the Defense Advanced </span>
<a name="l00019"></a>00019 <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span>
<a name="l00020"></a>00020 <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span>
<a name="l00023"></a>00023 <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span>
<a name="l00024"></a>00024 <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
<a name="l00025"></a>00025 <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span>
<a name="l00026"></a>00026 <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00027"></a>00027 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span>
<a name="l00028"></a>00028 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span>
<a name="l00029"></a>00029 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span>
<a name="l00030"></a>00030 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span>
<a name="l00031"></a>00031 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span>
<a name="l00032"></a>00032 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> * ====================================================================</span>
<a name="l00035"></a>00035 <span class="comment"> *</span>
<a name="l00036"></a>00036 <span class="comment"> */</span>
<a name="l00037"></a>00037 <span class="comment">/*</span>
<a name="l00038"></a>00038 <span class="comment"> * cont_fileseg.c -- Read input file, filter silence regions, and segment into utterances.</span>
<a name="l00039"></a>00039 <span class="comment"> * </span>
<a name="l00040"></a>00040 <span class="comment"> * HISTORY</span>
<a name="l00041"></a>00041 <span class="comment"> * </span>
<a name="l00042"></a>00042 <span class="comment"> * $Log: cont_fileseg.c,v $</span>
<a name="l00043"></a>00043 <span class="comment"> * Revision 1.1.1.1 2006/05/23 18:45:02 dhuggins</span>
<a name="l00044"></a>00044 <span class="comment"> * re-importation</span>
<a name="l00045"></a>00045 <span class="comment"> *</span>
<a name="l00046"></a>00046 <span class="comment"> * Revision 1.13 2005/06/30 00:28:46 rkm</span>
<a name="l00047"></a>00047 <span class="comment"> * Kept within-utterance silences in rawmode</span>
<a name="l00048"></a>00048 <span class="comment"> *</span>
<a name="l00049"></a>00049 <span class="comment"> * </span>
<a name="l00050"></a>00050 <span class="comment"> * 28-Jun-2005 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University</span>
<a name="l00051"></a>00051 <span class="comment"> * Modified to use new state variables in cont_ad_t.</span>
<a name="l00052"></a>00052 <span class="comment"> * </span>
<a name="l00053"></a>00053 <span class="comment"> * Revision 1.12 2005/05/31 15:54:38 rkm</span>
<a name="l00054"></a>00054 <span class="comment"> * *** empty log message ***</span>
<a name="l00055"></a>00055 <span class="comment"> *</span>
<a name="l00056"></a>00056 <span class="comment"> * Revision 1.11 2005/05/24 20:56:58 rkm</span>
<a name="l00057"></a>00057 <span class="comment"> * Added min/max-noise parameters to cont_fileseg</span>
<a name="l00058"></a>00058 <span class="comment"> *</span>
<a name="l00059"></a>00059 <span class="comment"> * Revision 1.10 2005/05/13 23:28:43 egouvea</span>
<a name="l00060"></a>00060 <span class="comment"> * Changed null device to system dependent one: NUL for windows, /dev/null for everything else</span>
<a name="l00061"></a>00061 <span class="comment"> * </span>
<a name="l00062"></a>00062 <span class="comment"> * $Log: cont_fileseg.c,v $</span>
<a name="l00063"></a>00063 <span class="comment"> * Revision 1.1.1.1 2006/05/23 18:45:02 dhuggins</span>
<a name="l00064"></a>00064 <span class="comment"> * re-importation</span>
<a name="l00065"></a>00065 <span class="comment"> *</span>
<a name="l00066"></a>00066 <span class="comment"> * Revision 1.13 2005/06/30 00:28:46 rkm</span>
<a name="l00067"></a>00067 <span class="comment"> * Kept within-utterance silences in rawmode</span>
<a name="l00068"></a>00068 <span class="comment"> *</span>
<a name="l00069"></a>00069 <span class="comment"> * Revision 1.12 2005/05/31 15:54:38 rkm</span>
<a name="l00070"></a>00070 <span class="comment"> * *** empty log message ***</span>
<a name="l00071"></a>00071 <span class="comment"> *</span>
<a name="l00072"></a>00072 <span class="comment"> * Revision 1.11 2005/05/24 20:56:58 rkm</span>
<a name="l00073"></a>00073 <span class="comment"> * Added min/max-noise parameters to cont_fileseg</span>
<a name="l00074"></a>00074 <span class="comment"> *</span>
<a name="l00075"></a>00075 <span class="comment"> * Revision 1.9 2005/02/13 01:29:48 rkm</span>
<a name="l00076"></a>00076 <span class="comment"> * Fixed cont_ad_read to never cross sil/speech boundary, and rawmode</span>
<a name="l00077"></a>00077 <span class="comment"> *</span>
<a name="l00078"></a>00078 <span class="comment"> * Revision 1.8 2005/02/01 22:21:13 rkm</span>
<a name="l00079"></a>00079 <span class="comment"> * Added raw data logging, and raw data pass-through mode to cont_ad</span>
<a name="l00080"></a>00080 <span class="comment"> *</span>
<a name="l00081"></a>00081 <span class="comment"> * Revision 1.7 2004/07/16 00:57:11 egouvea</span>
<a name="l00082"></a>00082 <span class="comment"> * Added Ravi's implementation of FSG support.</span>
<a name="l00083"></a>00083 <span class="comment"> *</span>
<a name="l00084"></a>00084 <span class="comment"> * Revision 1.3 2004/06/25 14:58:05 rkm</span>
<a name="l00085"></a>00085 <span class="comment"> * *** empty log message ***</span>
<a name="l00086"></a>00086 <span class="comment"> *</span>
<a name="l00087"></a>00087 <span class="comment"> * Revision 1.2 2004/06/23 20:32:08 rkm</span>
<a name="l00088"></a>00088 <span class="comment"> * Exposed several cont_ad config parameters</span>
<a name="l00089"></a>00089 <span class="comment"> *</span>
<a name="l00090"></a>00090 <span class="comment"> * </span>
<a name="l00091"></a>00091 <span class="comment"> * 27-Jun-96 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University</span>
<a name="l00092"></a>00092 <span class="comment"> * Created.</span>
<a name="l00093"></a>00093 <span class="comment"> */</span>
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="preprocessor">#include <stdio.h></span>
<a name="l00096"></a>00096 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00097"></a>00097 <span class="preprocessor">#include <string.h></span>
<a name="l00098"></a>00098 <span class="preprocessor">#include <assert.h></span>
<a name="l00099"></a>00099 <span class="preprocessor">#include <math.h></span>
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="preprocessor">#include <sphinxbase/prim_type.h></span>
<a name="l00102"></a>00102 <span class="preprocessor">#include <sphinxbase/ad.h></span>
<a name="l00103"></a>00103 <span class="preprocessor">#include <sphinxbase/cont_ad.h></span>
<a name="l00104"></a>00104 <span class="preprocessor">#include <sphinxbase/err.h></span>
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keyword">static</span> FILE *infp; <span class="comment">/* File being segmented */</span>
<a name="l00107"></a>00107 <span class="keyword">static</span> int32 swap;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">/* Max size read by file_ad_read function on each invocation, for debugging */</span>
<a name="l00110"></a>00110 <span class="keyword">static</span> int32 max_ad_read_size;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="preprocessor">#if defined(WIN32) && !defined(GNUWINCE)</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor">#define NULL_DEVICE "NUL"</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00115"></a>00115 <span class="preprocessor"></span><span class="preprocessor">#define NULL_DEVICE "/dev/null"</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span>
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="comment">/*</span>
<a name="l00120"></a>00120 <span class="comment"> * Need to provide cont_ad_init with a read function to read the input file.</span>
<a name="l00121"></a>00121 <span class="comment"> * This is it. The ad_rec_t *r argument is ignored since there is no A/D</span>
<a name="l00122"></a>00122 <span class="comment"> * device involved.</span>
<a name="l00123"></a>00123 <span class="comment"> */</span>
<a name="l00124"></a>00124 <span class="keyword">static</span> int32
<a name="l00125"></a>00125 file_ad_read(<a class="code" href="structad__rec__t.html">ad_rec_t</a> * r, int16 * buf, int32 max)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 int32 i, k;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (max > max_ad_read_size)
<a name="l00130"></a>00130 max = max_ad_read_size;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 k = fread(buf, <span class="keyword">sizeof</span>(int16), max, infp);
<a name="l00133"></a>00133 <span class="keywordflow">if</span> (swap) {
<a name="l00134"></a>00134 <span class="keywordflow">for</span> (i = 0; i < k; i++) {
<a name="l00135"></a>00135 buf[i] = ((buf[i] >> 8) & 0x00ff) | ((buf[i] << 8) & 0xff00);
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordflow">return</span> ((k > 0) ? k : -1);
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00144"></a>00144 usagemsg(<span class="keywordtype">char</span> *pgm)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"Usage: %s \\\n"</span>, pgm);
<a name="l00147"></a>00147 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-? | -h] \\\n"</span>);
<a name="l00148"></a>00148 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-d | -debug] \\\n"</span>);
<a name="l00149"></a>00149 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-sps <sampling-rate> (16000)] \\\n"</span>);
<a name="l00150"></a>00150 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-b | -byteswap] \\\n"</span>);
<a name="l00151"></a>00151 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>
<a name="l00152"></a>00152 (<span class="stringliteral">"\t[{-s | -silsep} <length-silence-separator(sec) (0.5)]> \\\n"</span>);
<a name="l00153"></a>00153 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-w | -writeseg] \\\n"</span>);
<a name="l00154"></a>00154 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-min-noise <min-noise>] \\\n"</span>);
<a name="l00155"></a>00155 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-max-noise <max-noise>] \\\n"</span>);
<a name="l00156"></a>00156 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-delta-sil <delta-sil>] \\\n"</span>);
<a name="l00157"></a>00157 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-delta-speech <delta-speech>] \\\n"</span>);
<a name="l00158"></a>00158 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-sil-onset <sil-onset>] \\\n"</span>);
<a name="l00159"></a>00159 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-speech-onset <speech-onset>] \\\n"</span>);
<a name="l00160"></a>00160 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-adapt-rate <adapt-rate>] \\\n"</span>);
<a name="l00161"></a>00161 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-max-adreadsize <ad_read_blksize>] \\\n"</span>);
<a name="l00162"></a>00162 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-c <copy-input-file>] \\\n"</span>);
<a name="l00163"></a>00163 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t[-r | -rawmode] \\\n"</span>);
<a name="l00164"></a>00164 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\t-i <input-file>\n"</span>);
<a name="l00165"></a>00165
<a name="l00166"></a>00166 exit(0);
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="comment">/*</span>
<a name="l00170"></a>00170 <span class="comment"> * Read specified input file, segment it into utterances wherever a silence segment of</span>
<a name="l00171"></a>00171 <span class="comment"> * a given minimum duration is encountered. Filter out long silences.</span>
<a name="l00172"></a>00172 <span class="comment"> * Utterances are written to files named 00000000.raw, 00000001.raw, 00000002.raw, etc.</span>
<a name="l00173"></a>00173 <span class="comment"> */</span>
<a name="l00174"></a>00174 <span class="keywordtype">int</span>
<a name="l00175"></a>00175 main(int32 argc, <span class="keywordtype">char</span> **argv)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <a class="code" href="structcont__ad__t.html" title="Continuous listening module or object Continuous listening module or object.">cont_ad_t</a> *cont;
<a name="l00178"></a>00178 int32 uttid, uttlen, starttime, siltime, sps, debug, writeseg, rawmode;
<a name="l00179"></a>00179 int16 buf[4096];
<a name="l00180"></a>00180 <span class="keywordtype">char</span> *infile, *copyfile, segfile[1024];
<a name="l00181"></a>00181 FILE *fp;
<a name="l00182"></a>00182 <span class="keywordtype">float</span> endsil;
<a name="l00183"></a>00183 <a class="code" href="structad__rec__t.html">ad_rec_t</a> ad;
<a name="l00184"></a>00184 int32 i, k;
<a name="l00185"></a>00185 int32 winsize, leader, trailer;
<a name="l00186"></a>00186 int32 orig_min_noise, orig_max_noise;
<a name="l00187"></a>00187 int32 orig_delta_sil, orig_delta_speech;
<a name="l00188"></a>00188 int32 orig_speech_onset, orig_sil_onset;
<a name="l00189"></a>00189 int32 min_noise, max_noise;
<a name="l00190"></a>00190 int32 delta_sil, delta_speech;
<a name="l00191"></a>00191 int32 sil_onset, speech_onset;
<a name="l00192"></a>00192 float32 orig_adapt_rate;
<a name="l00193"></a>00193 float32 adapt_rate;
<a name="l00194"></a>00194 int32 total_speech_samples;
<a name="l00195"></a>00195 float32 total_speech_sec;
<a name="l00196"></a>00196 FILE *rawfp;
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="comment">/* Set argument defaults */</span>
<a name="l00199"></a>00199 cont = NULL;
<a name="l00200"></a>00200 sps = 16000;
<a name="l00201"></a>00201 swap = 0;
<a name="l00202"></a>00202 endsil = 0.5;
<a name="l00203"></a>00203 writeseg = 0;
<a name="l00204"></a>00204 min_noise = max_noise = -1;
<a name="l00205"></a>00205 delta_sil = delta_speech = -1;
<a name="l00206"></a>00206 sil_onset = speech_onset = -1;
<a name="l00207"></a>00207 adapt_rate = -1.0;
<a name="l00208"></a>00208 max_ad_read_size = (int32) 0x7ffffff0;
<a name="l00209"></a>00209 debug = 0;
<a name="l00210"></a>00210 infile = NULL;
<a name="l00211"></a>00211 copyfile = NULL;
<a name="l00212"></a>00212 rawfp = NULL;
<a name="l00213"></a>00213 rawmode = 0;
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="comment">/* Parse arguments */</span>
<a name="l00216"></a>00216 <span class="keywordflow">for</span> (i = 1; i < argc; i++) {
<a name="l00217"></a>00217 <span class="keywordflow">if</span> ((strcmp(argv[i], <span class="stringliteral">"-help"</span>) == 0)
<a name="l00218"></a>00218 || (strcmp(argv[i], <span class="stringliteral">"-h"</span>) == 0)
<a name="l00219"></a>00219 || (strcmp(argv[i], <span class="stringliteral">"-?"</span>) == 0)) {
<a name="l00220"></a>00220 usagemsg(argv[0]);
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((strcmp(argv[i], <span class="stringliteral">"-debug"</span>) == 0)
<a name="l00223"></a>00223 || (strcmp(argv[i], <span class="stringliteral">"-d"</span>) == 0)) {
<a name="l00224"></a>00224 debug = 1;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-sps"</span>) == 0) {
<a name="l00227"></a>00227 i++;
<a name="l00228"></a>00228 <span class="keywordflow">if</span> ((i == argc)
<a name="l00229"></a>00229 || (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &sps) != 1)
<a name="l00230"></a>00230 || (sps <= 0)) {
<a name="l00231"></a>00231 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -sps argument\n"</span>);
<a name="l00232"></a>00232 usagemsg(argv[0]);
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((strcmp(argv[i], <span class="stringliteral">"-byteswap"</span>) == 0)
<a name="l00236"></a>00236 || (strcmp(argv[i], <span class="stringliteral">"-b"</span>) == 0)) {
<a name="l00237"></a>00237 swap = 1;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((strcmp(argv[i], <span class="stringliteral">"-silsep"</span>) == 0)
<a name="l00240"></a>00240 || (strcmp(argv[i], <span class="stringliteral">"-s"</span>) == 0)) {
<a name="l00241"></a>00241 i++;
<a name="l00242"></a>00242 <span class="keywordflow">if</span> ((i == argc)
<a name="l00243"></a>00243 || (sscanf(argv[i], <span class="stringliteral">"%f"</span>, &endsil) != 1)
<a name="l00244"></a>00244 || (endsil <= 0.0)) {
<a name="l00245"></a>00245 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -silsep argument\n"</span>);
<a name="l00246"></a>00246 usagemsg(argv[0]);
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((strcmp(argv[i], <span class="stringliteral">"-writeseg"</span>) == 0)
<a name="l00250"></a>00250 || (strcmp(argv[i], <span class="stringliteral">"-w"</span>) == 0)) {
<a name="l00251"></a>00251 writeseg = 1;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-min-noise"</span>) == 0) {
<a name="l00254"></a>00254 i++;
<a name="l00255"></a>00255 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00256"></a>00256 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &min_noise) != 1) ||
<a name="l00257"></a>00257 (min_noise < 0)) {
<a name="l00258"></a>00258 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -min-noise argument\n"</span>);
<a name="l00259"></a>00259 usagemsg(argv[0]);
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-max-noise"</span>) == 0) {
<a name="l00263"></a>00263 i++;
<a name="l00264"></a>00264 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00265"></a>00265 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &max_noise) != 1) ||
<a name="l00266"></a>00266 (max_noise < 0)) {
<a name="l00267"></a>00267 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -max-noise argument\n"</span>);
<a name="l00268"></a>00268 usagemsg(argv[0]);
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-delta-sil"</span>) == 0) {
<a name="l00272"></a>00272 i++;
<a name="l00273"></a>00273 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00274"></a>00274 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &delta_sil) != 1) ||
<a name="l00275"></a>00275 (delta_sil < 0)) {
<a name="l00276"></a>00276 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -delta-sil argument\n"</span>);
<a name="l00277"></a>00277 usagemsg(argv[0]);
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-delta-speech"</span>) == 0) {
<a name="l00281"></a>00281 i++;
<a name="l00282"></a>00282 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00283"></a>00283 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &delta_speech) != 1) ||
<a name="l00284"></a>00284 (delta_speech < 0)) {
<a name="l00285"></a>00285 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -delta-speech argument\n"</span>);
<a name="l00286"></a>00286 usagemsg(argv[0]);
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-sil-onset"</span>) == 0) {
<a name="l00290"></a>00290 i++;
<a name="l00291"></a>00291 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00292"></a>00292 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &sil_onset) != 1) ||
<a name="l00293"></a>00293 (sil_onset < 1)) {
<a name="l00294"></a>00294 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -sil-onset argument\n"</span>);
<a name="l00295"></a>00295 usagemsg(argv[0]);
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-speech-onset"</span>) == 0) {
<a name="l00299"></a>00299 i++;
<a name="l00300"></a>00300 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00301"></a>00301 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &speech_onset) != 1) ||
<a name="l00302"></a>00302 (speech_onset < 1)) {
<a name="l00303"></a>00303 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -speech-onset argument\n"</span>);
<a name="l00304"></a>00304 usagemsg(argv[0]);
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-adapt-rate"</span>) == 0) {
<a name="l00308"></a>00308 i++;
<a name="l00309"></a>00309 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00310"></a>00310 (sscanf(argv[i], <span class="stringliteral">"%f"</span>, &adapt_rate) != 1) ||
<a name="l00311"></a>00311 (adapt_rate < 0.0) || (adapt_rate > 1.0)) {
<a name="l00312"></a>00312 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -adapt-rate argument\n"</span>);
<a name="l00313"></a>00313 usagemsg(argv[0]);
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-max-adreadsize"</span>) == 0) {
<a name="l00317"></a>00317 i++;
<a name="l00318"></a>00318 <span class="keywordflow">if</span> ((i == argc) ||
<a name="l00319"></a>00319 (sscanf(argv[i], <span class="stringliteral">"%d"</span>, &max_ad_read_size) != 1) ||
<a name="l00320"></a>00320 (max_ad_read_size < 1)) {
<a name="l00321"></a>00321 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -max-adreadsize argument\n"</span>);
<a name="l00322"></a>00322 usagemsg(argv[0]);
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-c"</span>) == 0) {
<a name="l00326"></a>00326 i++;
<a name="l00327"></a>00327 <span class="keywordflow">if</span> (i == argc) {
<a name="l00328"></a>00328 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -c argument\n"</span>);
<a name="l00329"></a>00329 usagemsg(argv[0]);
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331 copyfile = argv[i];
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((strcmp(argv[i], <span class="stringliteral">"-rawmode"</span>) == 0)
<a name="l00334"></a>00334 || (strcmp(argv[i], <span class="stringliteral">"-r"</span>) == 0)) {
<a name="l00335"></a>00335 rawmode = 1;
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(argv[i], <span class="stringliteral">"-i"</span>) == 0) {
<a name="l00338"></a>00338 i++;
<a name="l00339"></a>00339 <span class="keywordflow">if</span> (i == argc) {
<a name="l00340"></a>00340 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Invalid -i argument\n"</span>);
<a name="l00341"></a>00341 usagemsg(argv[0]);
<a name="l00342"></a>00342 }
<a name="l00343"></a>00343 infile = argv[i];
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345 <span class="keywordflow">else</span> {
<a name="l00346"></a>00346 usagemsg(argv[0]);
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <span class="keywordflow">if</span> (infile == NULL) {
<a name="l00351"></a>00351 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"No input file specified\n"</span>);
<a name="l00352"></a>00352 usagemsg(argv[0]);
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <span class="keywordflow">if</span> ((infp = fopen(infile, <span class="stringliteral">"rb"</span>)) == NULL)
<a name="l00356"></a>00356 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"Failed to open '%s' for reading: %s\n"</span>, infile, strerror(errno));
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="comment">/*</span>
<a name="l00359"></a>00359 <span class="comment"> * Associate continuous listening module with opened input file and read function.</span>
<a name="l00360"></a>00360 <span class="comment"> * No A/D device is involved, but need to fill in ad->sps.</span>
<a name="l00361"></a>00361 <span class="comment"> * Calibrate input data using first few seconds of file, but then rewind it!!</span>
<a name="l00362"></a>00362 <span class="comment"> */</span>
<a name="l00363"></a>00363 ad.<a class="code" href="structad__rec__t.html#ac8ccccdc755f68cb4ad24007b36d6c8a" title="Samples/sec.">sps</a> = sps;
<a name="l00364"></a>00364 ad.<a class="code" href="structad__rec__t.html#ade5a608978908d87deea7fa9827f8510" title="Bytes/sample.">bps</a> = <span class="keyword">sizeof</span>(int16);
<a name="l00365"></a>00365 <span class="keywordflow">if</span> (!rawmode)
<a name="l00366"></a>00366 cont = <a class="code" href="cont__ad_8h.html#af28bf56f17d5cfebf4d960ebed44ca64" title="Initialize a continuous listening/silence filtering object.">cont_ad_init</a>(&ad, file_ad_read);
<a name="l00367"></a>00367 <span class="keywordflow">else</span>
<a name="l00368"></a>00368 cont = <a class="code" href="cont__ad_8h.html#a1a9bbf961917827f5d03adcd409dda35" title="Initializes a continuous listening object which simply passes data through (!)">cont_ad_init_rawmode</a>(&ad, file_ad_read);
<a name="l00369"></a>00369
<a name="l00370"></a>00370 printf(<span class="stringliteral">"Calibrating ..."</span>);
<a name="l00371"></a>00371 fflush(stdout);
<a name="l00372"></a>00372 <span class="keywordflow">if</span> (<a class="code" href="cont__ad_8h.html#a7a1d0eaf8292a4549b00a97163999321" title="Calibrate the silence filter.">cont_ad_calib</a>(cont) < 0)
<a name="l00373"></a>00373 printf(<span class="stringliteral">" failed; file too short?\n"</span>);
<a name="l00374"></a>00374 <span class="keywordflow">else</span>
<a name="l00375"></a>00375 printf(<span class="stringliteral">" done\n"</span>);
<a name="l00376"></a>00376 rewind(infp);
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="comment">/* Convert desired min. inter-utterance silence duration to #samples */</span>
<a name="l00379"></a>00379 siltime = (int32) (endsil * sps);
<a name="l00380"></a>00380
<a name="l00381"></a>00381 <span class="comment">/* Enable writing raw input to output by the cont module if specified */</span>
<a name="l00382"></a>00382 <span class="keywordflow">if</span> (copyfile) {
<a name="l00383"></a>00383 <span class="keywordflow">if</span> ((rawfp = fopen(copyfile, <span class="stringliteral">"wb"</span>)) == NULL)
<a name="l00384"></a>00384 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Failed to open raw output file '%s' for writing: %s\n"</span>,
<a name="l00385"></a>00385 copyfile, strerror(errno));
<a name="l00386"></a>00386 <span class="keywordflow">else</span>
<a name="l00387"></a>00387 <a class="code" href="cont__ad_8h.html#a662ed7c409479060e3b5ac8eb7bd1865" title="Set a file for dumping raw audio input.">cont_ad_set_rawfp</a>(cont, rawfp);
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <a class="code" href="cont__ad_8h.html#aedd013bc2c6aca14fba02049ed7645d7" title="PWP 1/14/98 -- get the changable params.">cont_ad_get_params</a>(cont,
<a name="l00391"></a>00391 &orig_delta_sil, &orig_delta_speech,
<a name="l00392"></a>00392 &orig_min_noise, &orig_max_noise,
<a name="l00393"></a>00393 &winsize,
<a name="l00394"></a>00394 &orig_speech_onset, &orig_sil_onset,
<a name="l00395"></a>00395 &leader, &trailer, &orig_adapt_rate);
<a name="l00396"></a>00396
<a name="l00397"></a>00397 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"Default parameters:\n"</span>);
<a name="l00398"></a>00398 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tmin-noise = %d, max-noise = %d\n"</span>,
<a name="l00399"></a>00399 orig_min_noise, orig_max_noise);
<a name="l00400"></a>00400 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tdelta-sil = %d, delta-speech = %d\n"</span>,
<a name="l00401"></a>00401 orig_delta_sil, orig_delta_speech);
<a name="l00402"></a>00402 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tsil-onset = %d, speech-onset = %d\n"</span>,
<a name="l00403"></a>00403 orig_sil_onset, orig_speech_onset);
<a name="l00404"></a>00404 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tadapt_rate = %.3f\n"</span>, orig_adapt_rate);
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keywordflow">if</span> (min_noise < 0)
<a name="l00407"></a>00407 min_noise = orig_min_noise;
<a name="l00408"></a>00408 <span class="keywordflow">if</span> (max_noise < 0)
<a name="l00409"></a>00409 max_noise = orig_max_noise;
<a name="l00410"></a>00410 <span class="keywordflow">if</span> (delta_sil < 0)
<a name="l00411"></a>00411 delta_sil = orig_delta_sil;
<a name="l00412"></a>00412 <span class="keywordflow">if</span> (delta_speech < 0)
<a name="l00413"></a>00413 delta_speech = orig_delta_speech;
<a name="l00414"></a>00414 <span class="keywordflow">if</span> (sil_onset < 0)
<a name="l00415"></a>00415 sil_onset = orig_sil_onset;
<a name="l00416"></a>00416 <span class="keywordflow">if</span> (speech_onset < 0)
<a name="l00417"></a>00417 speech_onset = orig_speech_onset;
<a name="l00418"></a>00418 <span class="keywordflow">if</span> (adapt_rate < 0.0)
<a name="l00419"></a>00419 adapt_rate = orig_adapt_rate;
<a name="l00420"></a>00420
<a name="l00421"></a>00421 <a class="code" href="cont__ad_8h.html#aa402397c575922ea352afe5e66c02a34" title="Set the changable parameters.">cont_ad_set_params</a>(cont,
<a name="l00422"></a>00422 delta_sil, delta_speech,
<a name="l00423"></a>00423 min_noise, max_noise,
<a name="l00424"></a>00424 winsize,
<a name="l00425"></a>00425 speech_onset, sil_onset,
<a name="l00426"></a>00426 leader, trailer, adapt_rate);
<a name="l00427"></a>00427
<a name="l00428"></a>00428 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"Current parameters:\n"</span>);
<a name="l00429"></a>00429 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tmin-noise = %d, max-noise = %d\n"</span>, min_noise, max_noise);
<a name="l00430"></a>00430 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tdelta-sil = %d, delta-speech = %d\n"</span>, delta_sil,
<a name="l00431"></a>00431 delta_speech);
<a name="l00432"></a>00432 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tsil-onset = %d, speech-onset = %d\n"</span>, sil_onset,
<a name="l00433"></a>00433 speech_onset);
<a name="l00434"></a>00434 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"\tadapt_rate = %.3f\n"</span>, adapt_rate);
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"Sampling rate: %d"</span>, sps);
<a name="l00437"></a>00437 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"; Byteswap: %s"</span>, swap ? <span class="stringliteral">"Yes"</span> : <span class="stringliteral">"No"</span>);
<a name="l00438"></a>00438 <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538" title="Print logging information without header, to standard error stream.">E_INFOCONT</a>(<span class="stringliteral">"; Max ad-read size: %d\n"</span>, max_ad_read_size);
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (debug)
<a name="l00441"></a>00441 <a class="code" href="cont__ad_8h.html#a16c5810eb19ed89522ef4c3394bbfe83" title="Set the file to which cont_ad logs its progress.">cont_ad_set_logfp</a>(cont, stdout);
<a name="l00442"></a>00442
<a name="l00443"></a>00443 total_speech_samples = 0;
<a name="l00444"></a>00444 total_speech_sec = 0.0;
<a name="l00445"></a>00445
<a name="l00446"></a>00446 uttid = 0;
<a name="l00447"></a>00447 uttlen = 0;
<a name="l00448"></a>00448 starttime = 0;
<a name="l00449"></a>00449 fp = NULL;
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="comment">/* Process data */</span>
<a name="l00452"></a>00452 <span class="keywordflow">for</span> (;;) {
<a name="l00453"></a>00453 <span class="comment">/* Get audio data from continuous listening module */</span>
<a name="l00454"></a>00454 k = <a class="code" href="cont__ad_8h.html#ae664132adc514db01a1d5c1209ded4ba" title="Read raw audio data into the silence filter.">cont_ad_read</a>(cont, buf, 4096);
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="keywordflow">if</span> (k < 0) { <span class="comment">/* End of input audio file; close any open output file and exit */</span>
<a name="l00457"></a>00457 <span class="keywordflow">if</span> (fp != NULL) {
<a name="l00458"></a>00458 fclose(fp);
<a name="l00459"></a>00459 fp = NULL;
<a name="l00460"></a>00460
<a name="l00461"></a>00461 printf
<a name="l00462"></a>00462 (<span class="stringliteral">"Utt %08d, st= %8.2fs, et= %8.2fs, seg= %7.2fs (#samp= %10d)\n"</span>,
<a name="l00463"></a>00463 uttid, (<span class="keywordtype">double</span>) starttime / (<span class="keywordtype">double</span>) sps,
<a name="l00464"></a>00464 (<span class="keywordtype">double</span>) (starttime + uttlen) / (<span class="keywordtype">double</span>) sps,
<a name="l00465"></a>00465 (<span class="keywordtype">double</span>) uttlen / (<span class="keywordtype">double</span>) sps, uttlen);
<a name="l00466"></a>00466 fflush(stdout);
<a name="l00467"></a>00467
<a name="l00468"></a>00468 total_speech_samples += uttlen;
<a name="l00469"></a>00469 total_speech_sec += (double) uttlen / (<span class="keywordtype">double</span>) sps;
<a name="l00470"></a>00470
<a name="l00471"></a>00471 uttid++;
<a name="l00472"></a>00472 }
<a name="l00473"></a>00473
<a name="l00474"></a>00474 <span class="keywordflow">break</span>;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477 <span class="keywordflow">if</span> (cont-><a class="code" href="structcont__ad__t.html#a5d9420ea711733d1eea9b8f29a638fdb" title="State of data returned by most recent cont_ad_read call; CONT_AD_STATE_SIL or CONT_AD_STATE_SPEECH.">state</a> == CONT_AD_STATE_SIL) { <span class="comment">/* Silence data got */</span>
<a name="l00478"></a>00478 <span class="keywordflow">if</span> (fp != NULL) { <span class="comment">/* Currently in an utterance */</span>
<a name="l00479"></a>00479 <span class="keywordflow">if</span> (cont-><a class="code" href="structcont__ad__t.html#a478939247e09a8ae142c8996ec17d8c8" title="Total no.">seglen</a> > siltime) { <span class="comment">/* Long enough silence detected; end the utterance */</span>
<a name="l00480"></a>00480 fclose(fp);
<a name="l00481"></a>00481 fp = NULL;
<a name="l00482"></a>00482
<a name="l00483"></a>00483 printf
<a name="l00484"></a>00484 (<span class="stringliteral">"Utt %08d, st= %8.2fs, et= %8.2fs, seg= %7.2fs (#samp= %10d)\n"</span>,
<a name="l00485"></a>00485 uttid, (<span class="keywordtype">double</span>) starttime / (<span class="keywordtype">double</span>) sps,
<a name="l00486"></a>00486 (<span class="keywordtype">double</span>) (starttime + uttlen) / (<span class="keywordtype">double</span>) sps,
<a name="l00487"></a>00487 (<span class="keywordtype">double</span>) uttlen / (<span class="keywordtype">double</span>) sps, uttlen);
<a name="l00488"></a>00488 fflush(stdout);
<a name="l00489"></a>00489
<a name="l00490"></a>00490 total_speech_samples += uttlen;
<a name="l00491"></a>00491 total_speech_sec += (double) uttlen / (<span class="keywordtype">double</span>) sps;
<a name="l00492"></a>00492
<a name="l00493"></a>00493 uttid++;
<a name="l00494"></a>00494 }
<a name="l00495"></a>00495 <span class="keywordflow">else</span> {
<a name="l00496"></a>00496 <span class="comment">/*</span>
<a name="l00497"></a>00497 <span class="comment"> * Short silence within utt; write it to output. (Some extra trailing silence</span>
<a name="l00498"></a>00498 <span class="comment"> * is included in the utterance, as a result. Not to worry about it.)</span>
<a name="l00499"></a>00499 <span class="comment"> */</span>
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (k > 0) {
<a name="l00501"></a>00501 fwrite(buf, <span class="keyword">sizeof</span>(int16), k, fp);
<a name="l00502"></a>00502 uttlen += k;
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507 <span class="keywordflow">else</span> {
<a name="l00508"></a>00508 assert(cont-><a class="code" href="structcont__ad__t.html#a5d9420ea711733d1eea9b8f29a638fdb" title="State of data returned by most recent cont_ad_read call; CONT_AD_STATE_SIL or CONT_AD_STATE_SPEECH.">state</a> == CONT_AD_STATE_SPEECH);
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="keywordflow">if</span> (fp == NULL) { <span class="comment">/* Not in an utt; open a new output file */</span>
<a name="l00511"></a>00511 <span class="keywordflow">if</span> (writeseg)
<a name="l00512"></a>00512 sprintf(segfile, <span class="stringliteral">"%08d.raw"</span>, uttid);
<a name="l00513"></a>00513 <span class="keywordflow">else</span>
<a name="l00514"></a>00514 strcpy(segfile, NULL_DEVICE);
<a name="l00515"></a>00515 <span class="keywordflow">if</span> ((fp = fopen(segfile, <span class="stringliteral">"wb"</span>)) == NULL)
<a name="l00516"></a>00516 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"Failed to open segmentation file '%s' for writing: %s\n"</span>, segfile, strerror(errno));
<a name="l00517"></a>00517
<a name="l00518"></a>00518 starttime = cont-><a class="code" href="structcont__ad__t.html#a7b71e87abfcb3ca4ae73af34c86f955e" title="Absolute timestamp (total no.">read_ts</a> - k;
<a name="l00519"></a>00519 uttlen = 0;
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521
<a name="l00522"></a>00522 <span class="comment">/* Write data obtained to output file */</span>
<a name="l00523"></a>00523 <span class="keywordflow">if</span> (k > 0) {
<a name="l00524"></a>00524 fwrite(buf, <span class="keyword">sizeof</span>(int16), k, fp);
<a name="l00525"></a>00525 uttlen += k;
<a name="l00526"></a>00526 }
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528 }
<a name="l00529"></a>00529
<a name="l00530"></a>00530 <span class="keywordflow">if</span> (rawfp)
<a name="l00531"></a>00531 fclose(rawfp);
<a name="l00532"></a>00532
<a name="l00533"></a>00533 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"Total raw input speech = %d frames, %d samples, %.2f sec\n"</span>,
<a name="l00534"></a>00534 cont-><a class="code" href="structcont__ad__t.html#a4ed32427e6a785b571b1346c85481899" title="Total number of frames of A/D data read, including consumed ones.">tot_frm</a>, cont-><a class="code" href="structcont__ad__t.html#a4ed32427e6a785b571b1346c85481899" title="Total number of frames of A/D data read, including consumed ones.">tot_frm</a> * cont-><a class="code" href="structcont__ad__t.html#a55f701abf33b5f68f9ef4cbf95dfaf73" title="Samples/frame; audio level is analyzed within frames.">spf</a>,
<a name="l00535"></a>00535 (cont-><a class="code" href="structcont__ad__t.html#a4ed32427e6a785b571b1346c85481899" title="Total number of frames of A/D data read, including consumed ones.">tot_frm</a> * cont-><a class="code" href="structcont__ad__t.html#a55f701abf33b5f68f9ef4cbf95dfaf73" title="Samples/frame; audio level is analyzed within frames.">spf</a>) / (float32) cont-><a class="code" href="structcont__ad__t.html#a11a4bb48870007b39f8fa46e4b8f111a" title="Samples/sec; moved from ad-&gt;sps to break dependence on ad by N.">sps</a>);
<a name="l00536"></a>00536 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"Total speech detected = %d samples, %.2f sec\n"</span>,
<a name="l00537"></a>00537 total_speech_samples, total_speech_sec);
<a name="l00538"></a>00538
<a name="l00539"></a>00539 <a class="code" href="cont__ad_8h.html#a381c3df971d43a20e8e8b8da43d2872d" title="Close the continuous listening object.">cont_ad_close</a>(cont);
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <span class="keywordflow">return</span> 0;
<a name="l00542"></a>00542 }
</pre></div></div>
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