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<h1>voiceman.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* voiceman.h - The VoiceManager class handles a set of voices for synths</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of LibKMid 0.9.5</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez</span>
<a name="l00004"></a>00004 <span class="comment"> LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00008"></a>00008 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> </span>
<a name="l00011"></a>00011 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> Library General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> </span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00018"></a>00018 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00019"></a>00019 <span class="comment"> Boston, MA 02110-1301, USA. </span>
<a name="l00020"></a>00020 <span class="comment"></span>
<a name="l00021"></a>00021 <span class="comment"> Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org></span>
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment">***************************************************************************/</span>
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef _VOICEMAN_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define _VOICEMAN_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00035"></a><a class="code" href="classVoiceManager.html">00035</a> <span class="keyword">class </span><a class="code" href="classVoiceManager.html">VoiceManager</a>
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keyword">private</span>:
<a name="l00038"></a>00038 <span class="keyword">class </span>VoiceManagerPrivate;
<a name="l00039"></a>00039 VoiceManagerPrivate *d;
<a name="l00040"></a>00040
<a name="l00044"></a>00044 <span class="keywordtype">int</span> nvoices;
<a name="l00045"></a>00045
<a name="l00049"></a>00049 <span class="keyword">struct </span>voice
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordtype">int</span> id;
<a name="l00052"></a>00052 <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a7">channel</a>;
<a name="l00053"></a>00053 <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a8">note</a>;
<a name="l00054"></a>00054 <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a9">used</a>;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">struct </span>voice *prev;
<a name="l00057"></a>00057 <span class="keyword">struct </span>voice *next;
<a name="l00058"></a>00058 };
<a name="l00059"></a>00059
<a name="l00064"></a>00064 voice *FirstVoice;
<a name="l00065"></a>00065
<a name="l00069"></a>00069 voice *LastVoice;
<a name="l00070"></a>00070
<a name="l00075"></a>00075 voice *LastnotusedVoice;
<a name="l00076"></a>00076
<a name="l00080"></a>00080 voice **VoiceList;
<a name="l00081"></a>00081
<a name="l00086"></a>00086 voice *searcher;
<a name="l00087"></a>00087
<a name="l00092"></a>00092 voice *searcher_aid;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">public</span>:
<a name="l00098"></a>00098 <a class="code" href="classVoiceManager.html#a0">VoiceManager</a>(<span class="keywordtype">int</span> totalvoices);
<a name="l00099"></a>00099
<a name="l00103"></a>00103 <a class="code" href="classVoiceManager.html#a1">~VoiceManager</a>();
<a name="l00104"></a>00104
<a name="l00112"></a>00112 <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a2">allocateVoice</a>(<span class="keywordtype">int</span> chn,<span class="keywordtype">int</span> key);
<a name="l00113"></a>00113
<a name="l00119"></a>00119 <span class="keywordtype">void</span> <a class="code" href="classVoiceManager.html#a3">deallocateVoice</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);
<a name="l00120"></a>00120
<a name="l00127"></a>00127 <span class="keywordtype">void</span> <a class="code" href="classVoiceManager.html#a4">initSearch</a>(<span class="keywordtype">void</span>);
<a name="l00128"></a>00128
<a name="l00138"></a>00138 <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a5">search</a>(<span class="keywordtype">int</span> chn);
<a name="l00139"></a>00139 <span class="comment">//returns -1 if channel chn is not currently used</span>
<a name="l00140"></a>00140 <span class="comment">// Continue searching for more voices which</span>
<a name="l00141"></a>00141 <span class="comment">// use the channel chn</span>
<a name="l00142"></a>00142
<a name="l00149"></a>00149 <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a5">search</a>(<span class="keywordtype">int</span> chn,<span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a8">note</a>);
<a name="l00150"></a>00150
<a name="l00154"></a><a class="code" href="classVoiceManager.html#a7">00154</a> <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a7">channel</a>(<span class="keywordtype">int</span> v) {<span class="keywordflow">return</span> VoiceList[v]->channel;};
<a name="l00155"></a>00155
<a name="l00159"></a><a class="code" href="classVoiceManager.html#a8">00159</a> <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a8">note</a>(<span class="keywordtype">int</span> v) {<span class="keywordflow">return</span> VoiceList[v]->note;};
<a name="l00160"></a>00160
<a name="l00164"></a><a class="code" href="classVoiceManager.html#a9">00164</a> <span class="keywordtype">int</span> <a class="code" href="classVoiceManager.html#a9">used</a>(<span class="keywordtype">int</span> v) {<span class="keywordflow">return</span> VoiceList[v]->used;};
<a name="l00165"></a>00165
<a name="l00169"></a>00169 <span class="keywordtype">void</span> <a class="code" href="classVoiceManager.html#a10">clearLists</a>(<span class="keywordtype">void</span>);
<a name="l00170"></a>00170 };
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="preprocessor">#endif</span>
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