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<h1>src/sphinx_adtools/sphinx_pitch.c</h1> </div>
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<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) 2008 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
<a name="l00038"></a>00038 <span class="preprocessor">#include <stdio.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <string.h></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#include <sphinxbase/cmd_ln.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <sphinxbase/yin.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <sphinxbase/ckd_alloc.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include <sphinxbase/byteorder.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#include <sphinxbase/strfuncs.h></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include <sphinxbase/err.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <sphinxbase/pio.h></span>
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="preprocessor">#ifndef WORDS_BIGENDIAN</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define WORDS_BIGENDIAN 0</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 <span class="keyword">static</span> <a class="code" href="structarg__t.html" title="Argument definition structure.">arg_t</a> defn[] = {
<a name="l00054"></a>00054 { <span class="stringliteral">"-i"</span>,
<a name="l00055"></a>00055 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00056"></a>00056 NULL,
<a name="l00057"></a>00057 <span class="stringliteral">"Single audio input file"</span> },
<a name="l00058"></a>00058
<a name="l00059"></a>00059 { <span class="stringliteral">"-o"</span>,
<a name="l00060"></a>00060 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00061"></a>00061 NULL,
<a name="l00062"></a>00062 <span class="stringliteral">"Single text output file (standard output will be used if not given)"</span> },
<a name="l00063"></a>00063
<a name="l00064"></a>00064 { <span class="stringliteral">"-c"</span>,
<a name="l00065"></a>00065 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00066"></a>00066 NULL,
<a name="l00067"></a>00067 <span class="stringliteral">"Control file for batch processing"</span> },
<a name="l00068"></a>00068
<a name="l00069"></a>00069 { <span class="stringliteral">"-nskip"</span>,
<a name="l00070"></a>00070 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00071"></a>00071 <span class="stringliteral">"0"</span>,
<a name="l00072"></a>00072 <span class="stringliteral">"If a control file was specified, the number of utterances to skip at the head of the file"</span> },
<a name="l00073"></a>00073
<a name="l00074"></a>00074 { <span class="stringliteral">"-runlen"</span>,
<a name="l00075"></a>00075 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00076"></a>00076 <span class="stringliteral">"-1"</span>,
<a name="l00077"></a>00077 <span class="stringliteral">"If a control file was specified, the number of utterances to process (see -nskip too)"</span> },
<a name="l00078"></a>00078
<a name="l00079"></a>00079 { <span class="stringliteral">"-di"</span>,
<a name="l00080"></a>00080 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00081"></a>00081 NULL,
<a name="l00082"></a>00082 <span class="stringliteral">"Input directory, input file names are relative to this, if defined"</span> },
<a name="l00083"></a>00083
<a name="l00084"></a>00084 { <span class="stringliteral">"-ei"</span>,
<a name="l00085"></a>00085 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00086"></a>00086 NULL,
<a name="l00087"></a>00087 <span class="stringliteral">"Input extension to be applied to all input files"</span> },
<a name="l00088"></a>00088
<a name="l00089"></a>00089 { <span class="stringliteral">"-do"</span>,
<a name="l00090"></a>00090 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00091"></a>00091 NULL,
<a name="l00092"></a>00092 <span class="stringliteral">"Output directory, output files are relative to this"</span> },
<a name="l00093"></a>00093
<a name="l00094"></a>00094 { <span class="stringliteral">"-eo"</span>,
<a name="l00095"></a>00095 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00096"></a>00096 NULL,
<a name="l00097"></a>00097 <span class="stringliteral">"Output extension to be applied to all output files"</span> },
<a name="l00098"></a>00098
<a name="l00099"></a>00099 { <span class="stringliteral">"-nist"</span>,
<a name="l00100"></a>00100 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00101"></a>00101 <span class="stringliteral">"no"</span>,
<a name="l00102"></a>00102 <span class="stringliteral">"Defines input format as NIST sphere"</span> },
<a name="l00103"></a>00103
<a name="l00104"></a>00104 { <span class="stringliteral">"-raw"</span>,
<a name="l00105"></a>00105 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00106"></a>00106 <span class="stringliteral">"no"</span>,
<a name="l00107"></a>00107 <span class="stringliteral">"Defines input format as raw binary data"</span> },
<a name="l00108"></a>00108
<a name="l00109"></a>00109 { <span class="stringliteral">"-mswav"</span>,
<a name="l00110"></a>00110 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00111"></a>00111 <span class="stringliteral">"no"</span>,
<a name="l00112"></a>00112 <span class="stringliteral">"Defines input format as Microsoft Wav (RIFF)"</span> },
<a name="l00113"></a>00113
<a name="l00114"></a>00114 { <span class="stringliteral">"-samprate"</span>,
<a name="l00115"></a>00115 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00116"></a>00116 <span class="stringliteral">"0"</span>,
<a name="l00117"></a>00117 <span class="stringliteral">"Sampling rate of audio data (will be determined automatically if 0)"</span> },
<a name="l00118"></a>00118
<a name="l00119"></a>00119 { <span class="stringliteral">"-input_endian"</span>,
<a name="l00120"></a>00120 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00121"></a>00121 NULL,
<a name="l00122"></a>00122 <span class="stringliteral">"Endianness of audio data (will be determined automatically if not given)"</span> },
<a name="l00123"></a>00123
<a name="l00124"></a>00124 { <span class="stringliteral">"-fshift"</span>,
<a name="l00125"></a>00125 <a class="code" href="cmd__ln_8h.html#ad9b1952e4f1def9ee6a88791375b3901">ARG_FLOAT32</a>,
<a name="l00126"></a>00126 <span class="stringliteral">"0.01"</span>,
<a name="l00127"></a>00127 <span class="stringliteral">"Frame shift: number of seconds between each analysis frame."</span> },
<a name="l00128"></a>00128
<a name="l00129"></a>00129 { <span class="stringliteral">"-flen"</span>,
<a name="l00130"></a>00130 <a class="code" href="cmd__ln_8h.html#ad9b1952e4f1def9ee6a88791375b3901">ARG_FLOAT32</a>,
<a name="l00131"></a>00131 <span class="stringliteral">"0.025"</span>,
<a name="l00132"></a>00132 <span class="stringliteral">"Number of seconds in each analysis frame (needs to be greater than twice the longest period you wish to detect - to detect down to 80Hz you need a frame length of 2.0/80 = 0.025)."</span> },
<a name="l00133"></a>00133
<a name="l00134"></a>00134 { <span class="stringliteral">"-smooth_window"</span>,
<a name="l00135"></a>00135 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00136"></a>00136 <span class="stringliteral">"2"</span>,
<a name="l00137"></a>00137 <span class="stringliteral">"Number of frames on either side of the current frame to use for smoothing."</span> },
<a name="l00138"></a>00138
<a name="l00139"></a>00139 { <span class="stringliteral">"-voice_thresh"</span>,
<a name="l00140"></a>00140 <a class="code" href="cmd__ln_8h.html#ad9b1952e4f1def9ee6a88791375b3901">ARG_FLOAT32</a>,
<a name="l00141"></a>00141 <span class="stringliteral">"0.1"</span>,
<a name="l00142"></a>00142 <span class="stringliteral">"Threshold of normalized difference under which to search for the fundamental period."</span> },
<a name="l00143"></a>00143
<a name="l00144"></a>00144 { <span class="stringliteral">"-search_range"</span>,
<a name="l00145"></a>00145 <a class="code" href="cmd__ln_8h.html#ad9b1952e4f1def9ee6a88791375b3901">ARG_FLOAT32</a>,
<a name="l00146"></a>00146 <span class="stringliteral">"0.2"</span>,
<a name="l00147"></a>00147 <span class="stringliteral">"Fraction of the best local estimate to use as a search range for smoothing."</span> },
<a name="l00148"></a>00148
<a name="l00149"></a>00149 { NULL, 0, NULL, NULL }
<a name="l00150"></a>00150 };
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keyword">static</span> <span class="keywordtype">int</span> extract_pitch(<span class="keyword">const</span> <span class="keywordtype">char</span> *in, <span class="keyword">const</span> <span class="keywordtype">char</span> *out);
<a name="l00153"></a>00153 <span class="keyword">static</span> <span class="keywordtype">int</span> run_control_file(<span class="keyword">const</span> <span class="keywordtype">char</span> *ctl);
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordtype">int</span>
<a name="l00156"></a>00156 main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 <a class="code" href="cmd__ln_8h.html#a42447819b47aab58ee53f4745244f7f7" title="Non-reentrant version of cmd_ln_parse().">cmd_ln_parse</a>(defn, argc, argv, TRUE);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="comment">/* Run a control file if requested. */</span>
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-c"</span>)) {
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (run_control_file(<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-c"</span>)) < 0)
<a name="l00163"></a>00163 <span class="keywordflow">return</span> 1;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 <span class="keywordflow">else</span> {
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (extract_pitch(<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-i"</span>), <a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-o"</span>)) < 0)
<a name="l00167"></a>00167 <span class="keywordflow">return</span> 1;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <a class="code" href="cmd__ln_8h.html#a439d3f832f92ae655f1028445aa91602" title="Free the global command line, if any exists.">cmd_ln_free</a>();
<a name="l00171"></a>00171 <span class="keywordflow">return</span> 0;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00175"></a>00175 guess_file_type(<span class="keywordtype">char</span> <span class="keyword">const</span> *file, FILE *infh)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <span class="keywordtype">char</span> header[4];
<a name="l00178"></a>00178
<a name="l00179"></a>00179 fseek(infh, 0, SEEK_SET);
<a name="l00180"></a>00180 <span class="keywordflow">if</span> (fread(header, 1, 4, infh) != 4) {
<a name="l00181"></a>00181 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to read 4 byte header"</span>);
<a name="l00182"></a>00182 <span class="keywordflow">return</span> -1;
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (0 == memcmp(header, <span class="stringliteral">"RIFF"</span>, 4)) {
<a name="l00185"></a>00185 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"%s appears to be a WAV file\n"</span>, file);
<a name="l00186"></a>00186 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-mswav"</span>, TRUE);
<a name="l00187"></a>00187 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-nist"</span>, FALSE);
<a name="l00188"></a>00188 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-raw"</span>, FALSE);
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == memcmp(header, <span class="stringliteral">"NIST"</span>, 4)) {
<a name="l00191"></a>00191 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"%s appears to be a NIST SPHERE file\n"</span>, file);
<a name="l00192"></a>00192 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-mswav"</span>, FALSE);
<a name="l00193"></a>00193 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-nist"</span>, TRUE);
<a name="l00194"></a>00194 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-raw"</span>, FALSE);
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196 <span class="keywordflow">else</span> {
<a name="l00197"></a>00197 <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853" title="Print logging information to standard error stream.">E_INFO</a>(<span class="stringliteral">"%s appears to be raw data\n"</span>, file);
<a name="l00198"></a>00198 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-mswav"</span>, FALSE);
<a name="l00199"></a>00199 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-nist"</span>, FALSE);
<a name="l00200"></a>00200 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-raw"</span>, TRUE);
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 fseek(infh, 0, SEEK_SET);
<a name="l00203"></a>00203 <span class="keywordflow">return</span> 0;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="preprocessor">#define TRY_FREAD(ptr, size, nmemb, stream) \</span>
<a name="l00207"></a>00207 <span class="preprocessor"> if (fread(ptr, size, nmemb, stream) != (nmemb)) { \</span>
<a name="l00208"></a>00208 <span class="preprocessor"> E_ERROR_SYSTEM("Failed to read %d bytes", size * nmemb); \</span>
<a name="l00209"></a>00209 <span class="preprocessor"> goto error_out; \</span>
<a name="l00210"></a>00210 <span class="preprocessor"> }</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span>
<a name="l00212"></a>00212 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00213"></a>00213 read_riff_header(FILE *infh)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="keywordtype">char</span> <span class="keywordtype">id</span>[4];
<a name="l00216"></a>00216 int32 intval, header_len;
<a name="l00217"></a>00217 int16 shortval;
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="comment">/* RIFF files are little-endian by definition. */</span>
<a name="l00220"></a>00220 <a class="code" href="cmd__ln_8h.html#add9cb281562711418b6c795f5a6eb206" title="Set a string in the global command line.">cmd_ln_set_str</a>(<span class="stringliteral">"-input_endian"</span>, <span class="stringliteral">"little"</span>);
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="comment">/* Read in all the header chunks and etcetera. */</span>
<a name="l00223"></a>00223 TRY_FREAD(<span class="keywordtype">id</span>, 1, 4, infh);
<a name="l00224"></a>00224 <span class="comment">/* Total file length (we don't care) */</span>
<a name="l00225"></a>00225 TRY_FREAD(&intval, 4, 1, infh);
<a name="l00226"></a>00226 <span class="comment">/* 'WAVE' */</span>
<a name="l00227"></a>00227 TRY_FREAD(<span class="keywordtype">id</span>, 1, 4, infh);
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (0 != memcmp(<span class="keywordtype">id</span>, <span class="stringliteral">"WAVE"</span>, 4)) {
<a name="l00229"></a>00229 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"This is not a WAVE file\n"</span>);
<a name="l00230"></a>00230 <span class="keywordflow">goto</span> error_out;
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232 <span class="comment">/* 'fmt ' */</span>
<a name="l00233"></a>00233 TRY_FREAD(<span class="keywordtype">id</span>, 1, 4, infh);
<a name="l00234"></a>00234 <span class="keywordflow">if</span> (0 != memcmp(<span class="keywordtype">id</span>, <span class="stringliteral">"fmt "</span>, 4)) {
<a name="l00235"></a>00235 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Format chunk missing\n"</span>);
<a name="l00236"></a>00236 <span class="keywordflow">goto</span> error_out;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238 <span class="comment">/* Length of 'fmt ' chunk */</span>
<a name="l00239"></a>00239 TRY_FREAD(&intval, 4, 1, infh);
<a name="l00240"></a>00240 <span class="keywordflow">if</span> (WORDS_BIGENDIAN) SWAP_INT32(&intval);
<a name="l00241"></a>00241 header_len = intval;
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="comment">/* Data format. */</span>
<a name="l00244"></a>00244 TRY_FREAD(&shortval, 2, 1, infh);
<a name="l00245"></a>00245 <span class="keywordflow">if</span> (WORDS_BIGENDIAN) SWAP_INT16(&shortval);
<a name="l00246"></a>00246 <span class="keywordflow">if</span> (shortval != 1) { <span class="comment">/* PCM */</span>
<a name="l00247"></a>00247 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"WAVE file is not in PCM format\n"</span>);
<a name="l00248"></a>00248 <span class="keywordflow">goto</span> error_out;
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="comment">/* Number of channels. */</span>
<a name="l00252"></a>00252 TRY_FREAD(&shortval, 2, 1, infh);
<a name="l00253"></a>00253 <span class="keywordflow">if</span> (WORDS_BIGENDIAN) SWAP_INT16(&shortval);
<a name="l00254"></a>00254 <span class="keywordflow">if</span> (shortval != 1) { <span class="comment">/* PCM */</span>
<a name="l00255"></a>00255 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"WAVE file is not single channel\n"</span>);
<a name="l00256"></a>00256 <span class="keywordflow">goto</span> error_out;
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="comment">/* Sampling rate (finally!) */</span>
<a name="l00260"></a>00260 TRY_FREAD(&intval, 4, 1, infh);
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (WORDS_BIGENDIAN) SWAP_INT32(&intval);
<a name="l00262"></a>00262 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>) == 0)
<a name="l00263"></a>00263 <a class="code" href="cmd__ln_8h.html#ab63087898153823d7a7041669d60cfae" title="Set a 32-bit integer value in the global command line.">cmd_ln_set_int32</a>(<span class="stringliteral">"-samprate"</span>, intval);
<a name="l00264"></a>00264 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>) != intval) {
<a name="l00265"></a>00265 <a class="code" href="err_8h.html#a6a794bec721b555ac1f2167f9e12f662" title="Print warning information to standard error stream.">E_WARN</a>(<span class="stringliteral">"WAVE file sampling rate %d != -samprate %d\n"</span>,
<a name="l00266"></a>00266 intval, <a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>));
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="comment">/* Average bytes per second (we don't care) */</span>
<a name="l00270"></a>00270 TRY_FREAD(&intval, 4, 1, infh);
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="comment">/* Block alignment (we don't care) */</span>
<a name="l00273"></a>00273 TRY_FREAD(&shortval, 2, 1, infh);
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="comment">/* Bits per sample (must be 16) */</span>
<a name="l00276"></a>00276 TRY_FREAD(&shortval, 2, 1, infh);
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (WORDS_BIGENDIAN) SWAP_INT16(&shortval);
<a name="l00278"></a>00278 <span class="keywordflow">if</span> (shortval != 16) {
<a name="l00279"></a>00279 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"WAVE file is not 16-bit\n"</span>);
<a name="l00280"></a>00280 <span class="keywordflow">goto</span> error_out;
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="comment">/* Any extra parameters. */</span>
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (header_len > 16)
<a name="l00285"></a>00285 fseek(infh, header_len - 16, SEEK_CUR);
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="comment">/* Now skip to the 'data' chunk. */</span>
<a name="l00288"></a>00288 <span class="keywordflow">while</span> (1) {
<a name="l00289"></a>00289 TRY_FREAD(<span class="keywordtype">id</span>, 1, 4, infh);
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (0 == memcmp(<span class="keywordtype">id</span>, <span class="stringliteral">"data"</span>, 4)) {
<a name="l00291"></a>00291 <span class="comment">/* Total number of bytes of data (we don't care). */</span>
<a name="l00292"></a>00292 TRY_FREAD(&intval, 4, 1, infh);
<a name="l00293"></a>00293 <span class="keywordflow">break</span>;
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295 <span class="keywordflow">else</span> {
<a name="l00296"></a>00296 <span class="comment">/* Some other stuff... */</span>
<a name="l00297"></a>00297 <span class="comment">/* Number of bytes of ... whatever */</span>
<a name="l00298"></a>00298 TRY_FREAD(&intval, 4, 1, infh);
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (WORDS_BIGENDIAN) SWAP_INT32(&intval);
<a name="l00300"></a>00300 fseek(infh, intval, SEEK_CUR);
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">/* We are ready to rumble. */</span>
<a name="l00305"></a>00305 <span class="keywordflow">return</span> 0;
<a name="l00306"></a>00306 error_out:
<a name="l00307"></a>00307 <span class="keywordflow">return</span> -1;
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00311"></a>00311 read_nist_header(FILE *infh)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 <span class="keywordtype">char</span> hdr[1024];
<a name="l00314"></a>00314 <span class="keywordtype">char</span> *line, *c;
<a name="l00315"></a>00315
<a name="l00316"></a>00316 TRY_FREAD(hdr, 1, 1024, infh);
<a name="l00317"></a>00317 hdr[1023] = <span class="charliteral">'\0'</span>;
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="comment">/* Roughly parse it to find the sampling rate and byte order</span>
<a name="l00320"></a>00320 <span class="comment"> * (don't bother with other stuff) */</span>
<a name="l00321"></a>00321 <span class="keywordflow">if</span> ((line = strstr(hdr, <span class="stringliteral">"sample_rate"</span>)) == NULL) {
<a name="l00322"></a>00322 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"No sampling rate in NIST header!\n"</span>);
<a name="l00323"></a>00323 <span class="keywordflow">goto</span> error_out;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 c = strchr(line, <span class="charliteral">'\n'</span>);
<a name="l00326"></a>00326 <span class="keywordflow">if</span> (c) *c = <span class="charliteral">'\0'</span>;
<a name="l00327"></a>00327 c = strrchr(line, <span class="charliteral">' '</span>);
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (c == NULL) {
<a name="l00329"></a>00329 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Could not find sampling rate!\n"</span>);
<a name="l00330"></a>00330 <span class="keywordflow">goto</span> error_out;
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332 ++c;
<a name="l00333"></a>00333 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>) == 0)
<a name="l00334"></a>00334 <a class="code" href="cmd__ln_8h.html#ab63087898153823d7a7041669d60cfae" title="Set a 32-bit integer value in the global command line.">cmd_ln_set_int32</a>(<span class="stringliteral">"-samprate"</span>, atoi(c));
<a name="l00335"></a>00335 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>) != atoi(c)) {
<a name="l00336"></a>00336 <a class="code" href="err_8h.html#a6a794bec721b555ac1f2167f9e12f662" title="Print warning information to standard error stream.">E_WARN</a>(<span class="stringliteral">"NIST file sampling rate %d != -samprate %d\n"</span>,
<a name="l00337"></a>00337 atoi(c), <a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>));
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (line + strlen(line) < hdr + 1023)
<a name="l00341"></a>00341 line[strlen(line)] = <span class="charliteral">' '</span>;
<a name="l00342"></a>00342 <span class="keywordflow">if</span> ((line = strstr(hdr, <span class="stringliteral">"sample_byte_format"</span>)) == NULL) {
<a name="l00343"></a>00343 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"No sample byte format in NIST header!\n"</span>);
<a name="l00344"></a>00344 <span class="keywordflow">goto</span> error_out;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 c = strchr(line, <span class="charliteral">'\n'</span>);
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (c) *c = <span class="charliteral">'\0'</span>;
<a name="l00348"></a>00348 c = strrchr(line, <span class="charliteral">' '</span>);
<a name="l00349"></a>00349 <span class="keywordflow">if</span> (c == NULL) {
<a name="l00350"></a>00350 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Could not find sample byte order!\n"</span>);
<a name="l00351"></a>00351 <span class="keywordflow">goto</span> error_out;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 ++c;
<a name="l00354"></a>00354 <span class="keywordflow">if</span> (0 == memcmp(c, <span class="stringliteral">"01"</span>, 2)) {
<a name="l00355"></a>00355 <a class="code" href="cmd__ln_8h.html#add9cb281562711418b6c795f5a6eb206" title="Set a string in the global command line.">cmd_ln_set_str</a>(<span class="stringliteral">"-input_endian"</span>, <span class="stringliteral">"little"</span>);
<a name="l00356"></a>00356 }
<a name="l00357"></a>00357 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == memcmp(c, <span class="stringliteral">"10"</span>, 2)) {
<a name="l00358"></a>00358 <a class="code" href="cmd__ln_8h.html#add9cb281562711418b6c795f5a6eb206" title="Set a string in the global command line.">cmd_ln_set_str</a>(<span class="stringliteral">"-input_endian"</span>, <span class="stringliteral">"big"</span>);
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360 <span class="keywordflow">else</span> {
<a name="l00361"></a>00361 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Unknown byte order %s\n"</span>, c);
<a name="l00362"></a>00362 <span class="keywordflow">goto</span> error_out;
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="comment">/* We are ready to rumble. */</span>
<a name="l00366"></a>00366 <span class="keywordflow">return</span> 0;
<a name="l00367"></a>00367 error_out:
<a name="l00368"></a>00368 <span class="keywordflow">return</span> -1;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00372"></a>00372 extract_pitch(<span class="keyword">const</span> <span class="keywordtype">char</span> *in, <span class="keyword">const</span> <span class="keywordtype">char</span> *out)
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 FILE *infh = NULL, *outfh = NULL;
<a name="l00375"></a>00375 <span class="keywordtype">size_t</span> flen, fshift, nsamps;
<a name="l00376"></a>00376 int16 *buf = NULL;
<a name="l00377"></a>00377 <a class="code" href="structyin__s.html">yin_t</a> *yin = NULL;
<a name="l00378"></a>00378 uint16 period, bestdiff;
<a name="l00379"></a>00379 int32 sps;
<a name="l00380"></a>00380
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (out) {
<a name="l00382"></a>00382 <span class="keywordflow">if</span> ((outfh = fopen(out, <span class="stringliteral">"w"</span>)) == NULL) {
<a name="l00383"></a>00383 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to open %s for writing"</span>, out);
<a name="l00384"></a>00384 <span class="keywordflow">goto</span> error_out;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387 <span class="keywordflow">else</span> {
<a name="l00388"></a>00388 outfh = stdout;
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390 <span class="keywordflow">if</span> ((infh = fopen(in, <span class="stringliteral">"rb"</span>)) == NULL) {
<a name="l00391"></a>00391 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to open %s for reading"</span>, in);
<a name="l00392"></a>00392 <span class="keywordflow">goto</span> error_out;
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="comment">/* If we weren't told what the file type is, weakly try to</span>
<a name="l00396"></a>00396 <span class="comment"> * determine it (actually it's pretty obvious) */</span>
<a name="l00397"></a>00397 <span class="keywordflow">if</span> (!(<a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-raw"</span>)
<a name="l00398"></a>00398 || <a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-mswav"</span>)
<a name="l00399"></a>00399 || <a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-nist"</span>))) {
<a name="l00400"></a>00400 <span class="keywordflow">if</span> (guess_file_type(in, infh) < 0)
<a name="l00401"></a>00401 <span class="keywordflow">goto</span> error_out;
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="comment">/* Grab the sampling rate and byte order from the header and also</span>
<a name="l00405"></a>00405 <span class="comment"> * make sure this is 16-bit linear PCM. */</span>
<a name="l00406"></a>00406 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-mswav"</span>)) {
<a name="l00407"></a>00407 <span class="keywordflow">if</span> (read_riff_header(infh) < 0)
<a name="l00408"></a>00408 <span class="keywordflow">goto</span> error_out;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-nist"</span>)) {
<a name="l00411"></a>00411 <span class="keywordflow">if</span> (read_nist_header(infh) < 0)
<a name="l00412"></a>00412 <span class="keywordflow">goto</span> error_out;
<a name="l00413"></a>00413 }
<a name="l00414"></a>00414 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-raw"</span>)) {
<a name="l00415"></a>00415 <span class="comment">/* Just use some defaults for sampling rate and endian. */</span>
<a name="l00416"></a>00416 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-input_endian"</span>) == NULL) {
<a name="l00417"></a>00417 <span class="keywordflow">if</span> (WORDS_BIGENDIAN)
<a name="l00418"></a>00418 <a class="code" href="cmd__ln_8h.html#add9cb281562711418b6c795f5a6eb206" title="Set a string in the global command line.">cmd_ln_set_str</a>(<span class="stringliteral">"-input_endian"</span>, <span class="stringliteral">"big"</span>);
<a name="l00419"></a>00419 <span class="keywordflow">else</span>
<a name="l00420"></a>00420 <a class="code" href="cmd__ln_8h.html#add9cb281562711418b6c795f5a6eb206" title="Set a string in the global command line.">cmd_ln_set_str</a>(<span class="stringliteral">"-input_endian"</span>, <span class="stringliteral">"little"</span>);
<a name="l00421"></a>00421 }
<a name="l00422"></a>00422 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>) == 0)
<a name="l00423"></a>00423 <a class="code" href="cmd__ln_8h.html#ab63087898153823d7a7041669d60cfae" title="Set a 32-bit integer value in the global command line.">cmd_ln_set_int32</a>(<span class="stringliteral">"-samprate"</span>, 16000);
<a name="l00424"></a>00424 }
<a name="l00425"></a>00425
<a name="l00426"></a>00426 <span class="comment">/* Now read frames and write pitch estimates. */</span>
<a name="l00427"></a>00427 sps = <a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>);
<a name="l00428"></a>00428 flen = (size_t)(0.5 + sps * <a class="code" href="cmd__ln_8h.html#a95b9ea6b4ef4a6ae9718b7df5fffdde8" title="Retrieve a 32-bit float from the global command line.">cmd_ln_float32</a>(<span class="stringliteral">"-flen"</span>));
<a name="l00429"></a>00429 fshift = (size_t)(0.5 + sps * <a class="code" href="cmd__ln_8h.html#a95b9ea6b4ef4a6ae9718b7df5fffdde8" title="Retrieve a 32-bit float from the global command line.">cmd_ln_float32</a>(<span class="stringliteral">"-fshift"</span>));
<a name="l00430"></a>00430 yin = <a class="code" href="yin_8h.html#afc3a955f8d2215ed3d660737643c4f32" title="Initialize moving-window pitch estimation.">yin_init</a>(flen, <a class="code" href="cmd__ln_8h.html#a95b9ea6b4ef4a6ae9718b7df5fffdde8" title="Retrieve a 32-bit float from the global command line.">cmd_ln_float32</a>(<span class="stringliteral">"-voice_thresh"</span>),
<a name="l00431"></a>00431 <a class="code" href="cmd__ln_8h.html#a95b9ea6b4ef4a6ae9718b7df5fffdde8" title="Retrieve a 32-bit float from the global command line.">cmd_ln_float32</a>(<span class="stringliteral">"-search_range"</span>),
<a name="l00432"></a>00432 <a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-smooth_window"</span>));
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (yin == NULL) {
<a name="l00434"></a>00434 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Failed to initialize YIN\n"</span>);
<a name="l00435"></a>00435 <span class="keywordflow">goto</span> error_out;
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437 buf = <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(flen, <span class="keyword">sizeof</span>(*buf));
<a name="l00438"></a>00438 <span class="comment">/* Read the first full frame of data. */</span>
<a name="l00439"></a>00439 <span class="keywordflow">if</span> (fread(buf, <span class="keyword">sizeof</span>(*buf), flen, infh) != flen) {
<a name="l00440"></a>00440 <span class="comment">/* Fail silently, which is probably okay. */</span>
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 <a class="code" href="yin_8h.html#a9a93d7c0fd3eb97d8ea735a76683ff4d" title="Start processing an utterance.">yin_start</a>(yin);
<a name="l00443"></a>00443 nsamps = 0;
<a name="l00444"></a>00444 <span class="keywordflow">while</span> (!feof(infh)) {
<a name="l00445"></a>00445 <span class="comment">/* Process a frame of data. */</span>
<a name="l00446"></a>00446 <a class="code" href="yin_8h.html#ac316a9b80593ad996df71b0f6df54d6c" title="Feed a frame of data to the pitch estimator.">yin_write</a>(yin, buf);
<a name="l00447"></a>00447 <span class="keywordflow">if</span> (<a class="code" href="yin_8h.html#a3a0ae5d5a543b9e71b34c9b4a285bdbf" title="Read a raw estimated pitch value from the pitch estimator.">yin_read</a>(yin, &period, &bestdiff)) {
<a name="l00448"></a>00448 fprintf(outfh, <span class="stringliteral">"%.3f %.2f %.2f\n"</span>,
<a name="l00449"></a>00449 <span class="comment">/* Time point. */</span>
<a name="l00450"></a>00450 (<span class="keywordtype">double</span>)nsamps/sps,
<a name="l00451"></a>00451 <span class="comment">/* "Probability" of voicing. */</span>
<a name="l00452"></a>00452 bestdiff > 32768 ? 0.0 : 1.0 - (<span class="keywordtype">double</span>)bestdiff / 32768,
<a name="l00453"></a>00453 <span class="comment">/* Pitch (possibly bogus) */</span>
<a name="l00454"></a>00454 period == 0 ? sps : (<span class="keywordtype">double</span>)sps / period);
<a name="l00455"></a>00455 nsamps += fshift;
<a name="l00456"></a>00456 }
<a name="l00457"></a>00457 <span class="comment">/* Shift it back and get the next frame's overlap. */</span>
<a name="l00458"></a>00458 memmove(buf, buf + fshift, (flen - fshift) * <span class="keyword">sizeof</span>(*buf));
<a name="l00459"></a>00459 <span class="keywordflow">if</span> (fread(buf + flen - fshift, <span class="keyword">sizeof</span>(*buf), fshift, infh) != fshift) {
<a name="l00460"></a>00460 <span class="comment">/* Fail silently (FIXME: really?) */</span>
<a name="l00461"></a>00461 }
<a name="l00462"></a>00462 }
<a name="l00463"></a>00463 <a class="code" href="yin_8h.html#a9182cabf44e517c2db3b67edacebece9" title="Mark the end of an utterance.">yin_end</a>(yin);
<a name="l00464"></a>00464 <span class="comment">/* Process trailing frames of data. */</span>
<a name="l00465"></a>00465 <span class="keywordflow">while</span> (<a class="code" href="yin_8h.html#a3a0ae5d5a543b9e71b34c9b4a285bdbf" title="Read a raw estimated pitch value from the pitch estimator.">yin_read</a>(yin, &period, &bestdiff)) {
<a name="l00466"></a>00466 fprintf(outfh, <span class="stringliteral">"%.3f %.2f %.2f\n"</span>,
<a name="l00467"></a>00467 <span class="comment">/* Time point. */</span>
<a name="l00468"></a>00468 (<span class="keywordtype">double</span>)nsamps/sps,
<a name="l00469"></a>00469 <span class="comment">/* "Probability" of voicing. */</span>
<a name="l00470"></a>00470 bestdiff > 32768 ? 0.0 : 1.0 - (<span class="keywordtype">double</span>)bestdiff / 32768,
<a name="l00471"></a>00471 <span class="comment">/* Pitch (possibly bogus) */</span>
<a name="l00472"></a>00472 period == 0 ? sps : (<span class="keywordtype">double</span>)sps / period);
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474
<a name="l00475"></a>00475 <span class="keywordflow">if</span> (yin)
<a name="l00476"></a>00476 <a class="code" href="yin_8h.html#ae587e0d984966c482f21ee4cb0952dd0" title="Free a moving-window pitch estimator.">yin_free</a>(yin);
<a name="l00477"></a>00477 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(buf);
<a name="l00478"></a>00478 fclose(infh);
<a name="l00479"></a>00479 <span class="keywordflow">if</span> (outfh != stdout)
<a name="l00480"></a>00480 fclose(outfh);
<a name="l00481"></a>00481 <span class="keywordflow">return</span> 0;
<a name="l00482"></a>00482
<a name="l00483"></a>00483 error_out:
<a name="l00484"></a>00484 <a class="code" href="yin_8h.html#ae587e0d984966c482f21ee4cb0952dd0" title="Free a moving-window pitch estimator.">yin_free</a>(yin);
<a name="l00485"></a>00485 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(buf);
<a name="l00486"></a>00486 <span class="keywordflow">if</span> (infh) fclose(infh);
<a name="l00487"></a>00487 <span class="keywordflow">if</span> (outfh && outfh != stdout) fclose(outfh);
<a name="l00488"></a>00488 <span class="keywordflow">return</span> -1;
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00492"></a>00492 run_control_file(<span class="keyword">const</span> <span class="keywordtype">char</span> *ctl)
<a name="l00493"></a>00493 {
<a name="l00494"></a>00494 FILE *ctlfh;
<a name="l00495"></a>00495 <span class="keywordtype">char</span> *line;
<a name="l00496"></a>00496 <span class="keywordtype">char</span> *di, *dout, *ei, *eio;
<a name="l00497"></a>00497 <span class="keywordtype">size_t</span> len;
<a name="l00498"></a>00498 <span class="keywordtype">int</span> rv, guess_type, guess_sps, guess_endian;
<a name="l00499"></a>00499 int32 skip, runlen;
<a name="l00500"></a>00500
<a name="l00501"></a>00501 skip = <a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-nskip"</span>);
<a name="l00502"></a>00502 runlen = <a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-runlen"</span>);
<a name="l00503"></a>00503
<a name="l00504"></a>00504 <span class="comment">/* Whether to guess file types */</span>
<a name="l00505"></a>00505 guess_type = !(<a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-raw"</span>)
<a name="l00506"></a>00506 || <a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-mswav"</span>)
<a name="l00507"></a>00507 || <a class="code" href="cmd__ln_8h.html#a168e6f2cf367471406614a70d2b42ae8" title="Retrieve a boolean from the global command line.">cmd_ln_boolean</a>(<span class="stringliteral">"-nist"</span>));
<a name="l00508"></a>00508 <span class="comment">/* Whether to guess sampling rate */</span>
<a name="l00509"></a>00509 guess_sps = (<a class="code" href="cmd__ln_8h.html#ad3c5abaaeda4f3fd4462a24d41db7589" title="Retrieve a 32-bit integer from the global command line.">cmd_ln_int32</a>(<span class="stringliteral">"-samprate"</span>) == 0);
<a name="l00510"></a>00510 <span class="comment">/* Whether to guess endian */</span>
<a name="l00511"></a>00511 guess_endian = (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-input_endian"</span>) == NULL);
<a name="l00512"></a>00512
<a name="l00513"></a>00513 <span class="keywordflow">if</span> ((ctlfh = fopen(ctl, <span class="stringliteral">"r"</span>)) == NULL) {
<a name="l00514"></a>00514 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to open control file %s"</span>, ctl);
<a name="l00515"></a>00515 <span class="keywordflow">return</span> -1;
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-di"</span>))
<a name="l00518"></a>00518 di = <a class="code" href="strfuncs_8h.html#a317522f23d291311e366de34ef86b777" title="Concatenate a NULL-terminated argument list of strings, returning a newly allocated string...">string_join</a>(<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-di"</span>), <span class="stringliteral">"/"</span>, NULL);
<a name="l00519"></a>00519 <span class="keywordflow">else</span>
<a name="l00520"></a>00520 di = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(<span class="stringliteral">""</span>);
<a name="l00521"></a>00521 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-do"</span>))
<a name="l00522"></a>00522 dout = <a class="code" href="strfuncs_8h.html#a317522f23d291311e366de34ef86b777" title="Concatenate a NULL-terminated argument list of strings, returning a newly allocated string...">string_join</a>(<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-do"</span>), <span class="stringliteral">"/"</span>, NULL);
<a name="l00523"></a>00523 <span class="keywordflow">else</span>
<a name="l00524"></a>00524 dout = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(<span class="stringliteral">""</span>);
<a name="l00525"></a>00525 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-ei"</span>))
<a name="l00526"></a>00526 ei = <a class="code" href="strfuncs_8h.html#a317522f23d291311e366de34ef86b777" title="Concatenate a NULL-terminated argument list of strings, returning a newly allocated string...">string_join</a>(<span class="stringliteral">"."</span>, <a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-ei"</span>), NULL);
<a name="l00527"></a>00527 <span class="keywordflow">else</span>
<a name="l00528"></a>00528 ei = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(<span class="stringliteral">""</span>);
<a name="l00529"></a>00529 <span class="keywordflow">if</span> (<a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-eo"</span>))
<a name="l00530"></a>00530 eio = <a class="code" href="strfuncs_8h.html#a317522f23d291311e366de34ef86b777" title="Concatenate a NULL-terminated argument list of strings, returning a newly allocated string...">string_join</a>(<span class="stringliteral">"."</span>, <a class="code" href="cmd__ln_8h.html#ab5bd3d0b7f28a485411da21a5e3984b3" title="Retrieve a string from the global command line.">cmd_ln_str</a>(<span class="stringliteral">"-eo"</span>), NULL);
<a name="l00531"></a>00531 <span class="keywordflow">else</span>
<a name="l00532"></a>00532 eio = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(<span class="stringliteral">""</span>);
<a name="l00533"></a>00533 rv = 0;
<a name="l00534"></a>00534 <span class="keywordflow">while</span> ((line = <a class="code" href="pio_8h.html#a11e0daa4f315d01c2e030d3a0abe702c" title="Read a line of arbitrary length from a file and return it as a newly allocated string.">fread_line</a>(ctlfh, &len)) != NULL) {
<a name="l00535"></a>00535 <span class="keywordtype">char</span> *infile, *outfile;
<a name="l00536"></a>00536
<a name="l00537"></a>00537 <span class="keywordflow">if</span> (skip-- > 0) {
<a name="l00538"></a>00538 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(line);
<a name="l00539"></a>00539 <span class="keywordflow">continue</span>;
<a name="l00540"></a>00540 }
<a name="l00541"></a>00541 <span class="keywordflow">if</span> (runlen == 0) {
<a name="l00542"></a>00542 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(line);
<a name="l00543"></a>00543 <span class="keywordflow">break</span>;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545 --runlen;
<a name="l00546"></a>00546
<a name="l00547"></a>00547 <span class="keywordflow">if</span> (line[len-1] == <span class="charliteral">'\n'</span>)
<a name="l00548"></a>00548 line[len-1] = <span class="charliteral">'\0'</span>;
<a name="l00549"></a>00549
<a name="l00550"></a>00550 infile = <a class="code" href="strfuncs_8h.html#a317522f23d291311e366de34ef86b777" title="Concatenate a NULL-terminated argument list of strings, returning a newly allocated string...">string_join</a>(di, line, ei, NULL);
<a name="l00551"></a>00551 outfile = <a class="code" href="strfuncs_8h.html#a317522f23d291311e366de34ef86b777" title="Concatenate a NULL-terminated argument list of strings, returning a newly allocated string...">string_join</a>(dout, line, eio, NULL);
<a name="l00552"></a>00552
<a name="l00553"></a>00553 <span class="comment">/* Reset various guessed information */</span>
<a name="l00554"></a>00554 <span class="keywordflow">if</span> (guess_type) {
<a name="l00555"></a>00555 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-nist"</span>, FALSE);
<a name="l00556"></a>00556 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-mswav"</span>, FALSE);
<a name="l00557"></a>00557 <a class="code" href="cmd__ln_8h.html#aa6ee66099aca6807d03c70a9d3e5f2a3" title="Set a boolean value in the global command line.">cmd_ln_set_boolean</a>(<span class="stringliteral">"-raw"</span>, FALSE);
<a name="l00558"></a>00558 }
<a name="l00559"></a>00559 <span class="keywordflow">if</span> (guess_sps)
<a name="l00560"></a>00560 <a class="code" href="cmd__ln_8h.html#ab63087898153823d7a7041669d60cfae" title="Set a 32-bit integer value in the global command line.">cmd_ln_set_int32</a>(<span class="stringliteral">"-samprate"</span>, 0);
<a name="l00561"></a>00561 <span class="keywordflow">if</span> (guess_endian)
<a name="l00562"></a>00562 <a class="code" href="cmd__ln_8h.html#add9cb281562711418b6c795f5a6eb206" title="Set a string in the global command line.">cmd_ln_set_str</a>(<span class="stringliteral">"-input_endian"</span>, NULL);
<a name="l00563"></a>00563
<a name="l00564"></a>00564 rv = extract_pitch(infile, outfile);
<a name="l00565"></a>00565
<a name="l00566"></a>00566 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(infile);
<a name="l00567"></a>00567 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(outfile);
<a name="l00568"></a>00568 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(line);
<a name="l00569"></a>00569
<a name="l00570"></a>00570 <span class="keywordflow">if</span> (rv != 0)
<a name="l00571"></a>00571 <span class="keywordflow">break</span>;
<a name="l00572"></a>00572 }
<a name="l00573"></a>00573 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(di);
<a name="l00574"></a>00574 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(dout);
<a name="l00575"></a>00575 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(ei);
<a name="l00576"></a>00576 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(eio);
<a name="l00577"></a>00577 fclose(ctlfh);
<a name="l00578"></a>00578 <span class="keywordflow">return</span> rv;
<a name="l00579"></a>00579 }
</pre></div></div>
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