<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>SphinxBase: include/sphinxbase/huff_code.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">SphinxBase <span id="projectnumber">0.6</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('huff__code_8h.html',''); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <h1>include/sphinxbase/huff_code.h</h1> </div> </div> <div class="contents"> <a href="huff__code_8h.html">Go to the documentation of this file.</a><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) 2009 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="l00048"></a>00048 <span class="preprocessor">#ifndef __HUFF_CODE_H__</span> <a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define __HUFF_CODE_H__</span> <a name="l00050"></a>00050 <span class="preprocessor"></span> <a name="l00051"></a>00051 <span class="preprocessor">#include <stdio.h></span> <a name="l00052"></a>00052 <a name="l00053"></a>00053 <span class="preprocessor">#include <sphinxbase/sphinxbase_export.h></span> <a name="l00054"></a>00054 <span class="preprocessor">#include <sphinxbase/prim_type.h></span> <a name="l00055"></a>00055 <span class="preprocessor">#include <sphinxbase/cmd_ln.h></span> <a name="l00056"></a>00056 <a name="l00057"></a>00057 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structhuff__code__s.html">huff_code_s</a> <a class="code" href="structhuff__code__s.html">huff_code_t</a>; <a name="l00058"></a>00058 <a name="l00062"></a>00062 SPHINXBASE_EXPORT <a name="l00063"></a>00063 <a class="code" href="structhuff__code__s.html">huff_code_t</a> *<a class="code" href="huff__code_8h.html#a278b925caf4f2c93cbb63adc8f77bfa6" title="Create a codebook from 32-bit integer data.">huff_code_build_int</a>(int32 <span class="keyword">const</span> *values, int32 <span class="keyword">const</span> *frequencies, <span class="keywordtype">int</span> nvals); <a name="l00064"></a>00064 <a name="l00068"></a>00068 SPHINXBASE_EXPORT <a name="l00069"></a>00069 <a class="code" href="structhuff__code__s.html">huff_code_t</a> *<a class="code" href="huff__code_8h.html#af5d0c85a2ad206c277ecde2a085af790" title="Create a codebook from string data.">huff_code_build_str</a>(<span class="keywordtype">char</span> * <span class="keyword">const</span> *values, int32 <span class="keyword">const</span> *frequencies, <span class="keywordtype">int</span> nvals); <a name="l00070"></a>00070 <a name="l00074"></a>00074 SPHINXBASE_EXPORT <a name="l00075"></a>00075 <a class="code" href="structhuff__code__s.html">huff_code_t</a> *<a class="code" href="huff__code_8h.html#a873745b79dac884cbb1b5bdf12e069e6" title="Read a codebook from a file.">huff_code_read</a>(FILE *infh); <a name="l00076"></a>00076 <a name="l00080"></a>00080 SPHINXBASE_EXPORT <a name="l00081"></a>00081 <span class="keywordtype">int</span> <a class="code" href="huff__code_8h.html#a6b91641e852a8eb4c4d32f40ff6dd055" title="Write a codebook to a file.">huff_code_write</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, FILE *outfh); <a name="l00082"></a>00082 <a name="l00086"></a>00086 SPHINXBASE_EXPORT <a name="l00087"></a>00087 <span class="keywordtype">int</span> <a class="code" href="huff__code_8h.html#a821658831cbe9b1199c756435d0ad4aa" title="Print a codebook to a file as text (for debugging)">huff_code_dump</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, FILE *dumpfh); <a name="l00088"></a>00088 <a name="l00092"></a>00092 SPHINXBASE_EXPORT <a name="l00093"></a>00093 <a class="code" href="structhuff__code__s.html">huff_code_t</a> *<a class="code" href="huff__code_8h.html#a26a70d1b1704f1af985e67127e622a7b" title="Retain a pointer to a Huffman codec object.">huff_code_retain</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc); <a name="l00094"></a>00094 <a name="l00098"></a>00098 SPHINXBASE_EXPORT <a name="l00099"></a>00099 <span class="keywordtype">int</span> <a class="code" href="huff__code_8h.html#ac8678d07a65af1963cc0b3bd8b10d646" title="Release a pointer to a Huffman codec object.">huff_code_free</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc); <a name="l00100"></a>00100 <a name="l00104"></a>00104 SPHINXBASE_EXPORT <a name="l00105"></a>00105 FILE *<a class="code" href="huff__code_8h.html#a9698821197737e3e1be9533a3059c82c" title="Attach a Huffman codec to a file handle for input/output.">huff_code_attach</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, FILE *fh, <span class="keywordtype">char</span> <span class="keyword">const</span> *mode); <a name="l00106"></a>00106 <a name="l00110"></a>00110 SPHINXBASE_EXPORT <a name="l00111"></a>00111 FILE *<a class="code" href="huff__code_8h.html#a403f575701c1d5fd2ddef1d001cf53e3" title="Detach a Huffman codec from its file handle.">huff_code_detach</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc); <a name="l00112"></a>00112 <a name="l00116"></a>00116 SPHINXBASE_EXPORT <a name="l00117"></a>00117 <span class="keywordtype">int</span> <a class="code" href="huff__code_8h.html#acf369555b8784eee944f7ebc97b6b825" title="Encode an integer, writing it to the file handle, if any.">huff_code_encode_int</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, int32 sym, uint32 *outcw); <a name="l00118"></a>00118 <a name="l00122"></a>00122 SPHINXBASE_EXPORT <a name="l00123"></a>00123 <span class="keywordtype">int</span> <a class="code" href="huff__code_8h.html#a24fe76f501a7a0485f3e9485c60fae32" title="Encode a string, writing it to the file handle, if any.">huff_code_encode_str</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, <span class="keywordtype">char</span> <span class="keyword">const</span> *sym, uint32 *outcw); <a name="l00124"></a>00124 <a name="l00128"></a>00128 SPHINXBASE_EXPORT <a name="l00129"></a>00129 <span class="keywordtype">int</span> <a class="code" href="huff__code_8h.html#a9155dd07a0a24393ef0e4e66cb314140" title="Decode an integer, reading it from the file if no data given.">huff_code_decode_int</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, <span class="keywordtype">int</span> *outval, <a name="l00130"></a>00130 <span class="keywordtype">char</span> <span class="keyword">const</span> **inout_data, <a name="l00131"></a>00131 <span class="keywordtype">size_t</span> *inout_data_len, <a name="l00132"></a>00132 <span class="keywordtype">int</span> *inout_offset); <a name="l00133"></a>00133 <a name="l00137"></a>00137 SPHINXBASE_EXPORT <a name="l00138"></a>00138 <span class="keywordtype">char</span> <span class="keyword">const</span> *<a class="code" href="huff__code_8h.html#aec0908ece3a695f8a3f6619d8d726e57" title="Decode a string, reading it from the file if no data given.">huff_code_decode_str</a>(<a class="code" href="structhuff__code__s.html">huff_code_t</a> *hc, <a name="l00139"></a>00139 <span class="keywordtype">char</span> <span class="keyword">const</span> **inout_data, <a name="l00140"></a>00140 <span class="keywordtype">size_t</span> *inout_data_len, <a name="l00141"></a>00141 <span class="keywordtype">int</span> *inout_offset); <a name="l00142"></a>00142 <a name="l00143"></a>00143 <span class="preprocessor">#endif </span><span class="comment">/* __HUFF_CODE_H__ */</span> </pre></div></div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="huff__code_8h.html">huff_code.h</a> </li> <li class="footer">Generated on Tue Apr 19 2011 for SphinxBase by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li> </ul> </div> </body> </html>