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<h1>atsci_reed_solomon.h</h1><a href="atsci__reed__solomon_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++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2002 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef _ATSC_REED_SOLOMON_H_</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define _ATSC_REED_SOLOMON_H_</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="code" href="atsc__types_8h.html">atsc_types.h</a>></span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">/*!</span>
<a name="l00029"></a>00029 <span class="comment"> * \brief ATSC Reed-Solomon encoder / decoder</span>
<a name="l00030"></a>00030 <span class="comment"> *</span>
<a name="l00031"></a>00031 <span class="comment"> * The t=10 (207,187) code described in ATSC standard A/53B.</span>
<a name="l00032"></a>00032 <span class="comment"> * See figure D5 on page 55.</span>
<a name="l00033"></a>00033 <span class="comment"> */</span>
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="classatsci__reed__solomon.html">00035</a> <span class="keyword">class </span><a class="code" href="classatsci__reed__solomon.html" title="ATSC Reed-Solomon encoder / decoder.">atsci_reed_solomon</a> {
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">public</span>:
<a name="l00038"></a>00038 <a class="code" href="classatsci__reed__solomon.html#a8e203e07cc3df727db4b310ef61fee06">atsci_reed_solomon</a>();
<a name="l00039"></a>00039 <a class="code" href="classatsci__reed__solomon.html#a42940b37f47a9a8337156105ecf54d11">~atsci_reed_solomon</a>();
<a name="l00040"></a>00040 <span class="comment"></span>
<a name="l00041"></a>00041 <span class="comment"> /*!</span>
<a name="l00042"></a>00042 <span class="comment"> * \brief Add RS error correction encoding</span>
<a name="l00043"></a>00043 <span class="comment"> */</span>
<a name="l00044"></a>00044 <span class="keywordtype">void</span> <a class="code" href="classatsci__reed__solomon.html#ac220163c9aa00a1d754cf5615f6dea79" title="Add RS error correction encoding.">encode</a> (<a class="code" href="classatsc__mpeg__packet__rs__encoded.html">atsc_mpeg_packet_rs_encoded</a> &out, <span class="keyword">const</span> <a class="code" href="classatsc__mpeg__packet__no__sync.html">atsc_mpeg_packet_no_sync</a> &in);
<a name="l00045"></a>00045 <span class="comment"></span>
<a name="l00046"></a>00046 <span class="comment"> /*!</span>
<a name="l00047"></a>00047 <span class="comment"> * Decode RS encoded packet.</span>
<a name="l00048"></a>00048 <span class="comment"> * \returns a count of corrected symbols, or -1 if the block was uncorrectible.</span>
<a name="l00049"></a>00049 <span class="comment"> */</span>
<a name="l00050"></a>00050 <span class="keywordtype">int</span> <a class="code" href="classatsci__reed__solomon.html#abfe7d8997cb02ff917834e1e9e6eb888">decode</a> (<a class="code" href="classatsc__mpeg__packet__no__sync.html">atsc_mpeg_packet_no_sync</a> &out, <span class="keyword">const</span> <a class="code" href="classatsc__mpeg__packet__rs__encoded.html">atsc_mpeg_packet_rs_encoded</a> &in);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">private</span>:
<a name="l00053"></a>00053 <span class="keywordtype">void</span> *d_rs;
<a name="l00054"></a>00054 };
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="preprocessor">#endif </span><span class="comment">/* _ATSC_REED_SOLOMON_H_ */</span>
</pre></div></div>
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Mandriva
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