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<div class="title">synthout.cc</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">    synthout.cc   - class synthOut which handles the /dev/sequencer device</span>
<a name="l00004"></a>00004 <span class="comment">            for synths (as AWE32)</span>
<a name="l00005"></a>00005 <span class="comment">    This file is part of LibKMid 0.9.5</span>
<a name="l00006"></a>00006 <span class="comment">    Copyright (C) 1997,98  Antonio Larrosa Jimenez and P.J.Leonard</span>
<a name="l00007"></a>00007 <span class="comment">                  1999,2000 Antonio Larrosa Jimenez</span>
<a name="l00008"></a>00008 <span class="comment">    LibKMid&#39;s homepage : http://www.arrakis.es/~rlarrosa/libkmid.html</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">    This library is free software; you can redistribute it and/or</span>
<a name="l00011"></a>00011 <span class="comment">    modify it under the terms of the GNU Library General Public</span>
<a name="l00012"></a>00012 <span class="comment">    License as published by the Free Software Foundation; either</span>
<a name="l00013"></a>00013 <span class="comment">    version 2 of the License, or (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">    This library is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00018"></a>00018 <span class="comment">    Library General Public License for more details.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment">    You should have received a copy of the GNU Library General Public License</span>
<a name="l00021"></a>00021 <span class="comment">    along with this library; see the file COPYING.LIB.  If not, write to</span>
<a name="l00022"></a>00022 <span class="comment">    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00023"></a>00023 <span class="comment">    Boston, MA 02110-1301, USA.</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment">    Send comments and bug fixes to Antonio Larrosa &lt;larrosa@kde.org&gt;</span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment">***************************************************************************/</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &quot;synthout.h&quot;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &quot;sndcard.h&quot;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;sys/ioctl.h&gt;</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;errno.h&gt;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;sys/param.h&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &quot;awe_sup.h&quot;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &quot;midispec.h&quot;</span>
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include &lt;config.h&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#endif</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 SEQ_USE_EXTBUF();
<a name="l00045"></a>00045 
<a name="l00046"></a><a class="code" href="classSynthOut.html#a9f126d539597c21900deda8ce0b94706">00046</a> <a class="code" href="classSynthOut.html#a9f126d539597c21900deda8ce0b94706" title="Constructor.">SynthOut::SynthOut</a>(<span class="keywordtype">int</span> d)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048   seqfd = -1;
<a name="l00049"></a>00049   devicetype=KMID_SYNTH;
<a name="l00050"></a>00050   device= d;
<a name="l00051"></a>00051   _ok=1;
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 
<a name="l00054"></a><a class="code" href="classSynthOut.html#a43272e43912cfd3ccb474e0df39ead34">00054</a> <a class="code" href="classSynthOut.html#a43272e43912cfd3ccb474e0df39ead34" title="Destructor.">SynthOut::~SynthOut</a>()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056   <a class="code" href="classSynthOut.html#a6755e8307b12679da8e020648be0f845" title="See MidiOut::closeDev()">closeDev</a>();
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 
<a name="l00059"></a><a class="code" href="classSynthOut.html#a29c8fc9d0e1fc74218ea2635974becd7">00059</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a29c8fc9d0e1fc74218ea2635974becd7" title="See MidiOut::openDev()">SynthOut::openDev</a> (<span class="keywordtype">int</span> sqfd)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061   _ok=1;
<a name="l00062"></a>00062   seqfd = sqfd;
<a name="l00063"></a>00063   <span class="keywordflow">if</span> (seqfd==-1)
<a name="l00064"></a>00064   {
<a name="l00065"></a>00065     printfdebug(<span class="stringliteral">&quot;ERROR: Could not open /dev/sequencer\n&quot;</span>);
<a name="l00066"></a>00066     <span class="keywordflow">return</span>;
<a name="l00067"></a>00067   }
<a name="l00068"></a>00068 <span class="preprocessor">#ifdef HAVE_OSS_SUPPORT</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>  <span class="comment">/*</span>
<a name="l00070"></a>00070 <span class="comment">     int i=1;</span>
<a name="l00071"></a>00071 <span class="comment">     ioctl(seqfd,SNDCTL_SEQ_THRESHOLD,i);</span>
<a name="l00072"></a>00072 <span class="comment">     printfdebug(&quot;Threshold : %d\n&quot;,i);</span>
<a name="l00073"></a>00073 <span class="comment">   */</span>
<a name="l00074"></a>00074 <span class="preprocessor">#ifdef SYNTHOUTDEBUG</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>  printfdebug(<span class="stringliteral">&quot;Number of synth devices : %d\n&quot;</span>,ndevs);
<a name="l00076"></a>00076   printfdebug(<span class="stringliteral">&quot;Number of midi ports : %d\n&quot;</span>,nmidiports);
<a name="l00077"></a>00077   printfdebug(<span class="stringliteral">&quot;Rate : %d\n&quot;</span>,m_rate);
<a name="l00078"></a>00078 <span class="preprocessor">#endif</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>
<a name="l00080"></a>00080 <span class="preprocessor">#ifdef HAVE_AWE32</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>
<a name="l00082"></a>00082   <span class="keyword">struct </span>synth_info info;
<a name="l00083"></a>00083 
<a name="l00084"></a>00084   <span class="comment">// Should really collect the possible devices and let the user choose ?</span>
<a name="l00085"></a>00085 
<a name="l00086"></a>00086   info.device = device;
<a name="l00087"></a>00087 
<a name="l00088"></a>00088   <span class="keywordflow">if</span> (ioctl (seqfd, SNDCTL_SYNTH_INFO, &amp;info) == -1)
<a name="l00089"></a>00089     printfdebug(<span class="stringliteral">&quot; ioctl  SNDCTL_SYNTH_INFO FAILED \n&quot;</span>);
<a name="l00090"></a>00090 
<a name="l00091"></a>00091   <span class="keywordflow">if</span> (info.synth_type == SYNTH_TYPE_SAMPLE
<a name="l00092"></a>00092       &amp;&amp; info.synth_subtype == SAMPLE_TYPE_AWE32)
<a name="l00093"></a>00093   {
<a name="l00094"></a>00094 
<a name="l00095"></a>00095     <span class="comment">// Enable layered patches ....</span>
<a name="l00096"></a>00096     AWE_SET_CHANNEL_MODE(device,1);
<a name="l00097"></a>00097 <span class="preprocessor">#ifdef SYNTHOUTDEBUG</span>
<a name="l00098"></a>00098 <span class="preprocessor"></span>    printfdebug(<span class="stringliteral">&quot; Found AWE32 dev=%d \n&quot;</span>,device);
<a name="l00099"></a>00099 <span class="preprocessor">#endif</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span>  }
<a name="l00101"></a>00101 <span class="preprocessor">#endif // HAVE_AWE32</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span><span class="preprocessor">#endif // HAVE_OSS_SUPPORT</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span>
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105 
<a name="l00106"></a><a class="code" href="classSynthOut.html#a6755e8307b12679da8e020648be0f845">00106</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a6755e8307b12679da8e020648be0f845" title="See MidiOut::closeDev()">SynthOut::closeDev</a> (<span class="keywordtype">void</span>)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108   <span class="keywordflow">if</span> (!<a class="code" href="classMidiOut.html#adb7701cf6f4fea7bfdf4b110f3fd2fd2" title="Returns true if everything&#39;s ok and false if there has been any problem.">ok</a>()) <span class="keywordflow">return</span>;
<a name="l00109"></a>00109   <span class="comment">//if (seqfd&gt;=0) close(seqfd);</span>
<a name="l00110"></a>00110   seqfd=-1;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 
<a name="l00113"></a><a class="code" href="classSynthOut.html#ab670a47bf6af10438a08f45a3a4fb0b4">00113</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#ab670a47bf6af10438a08f45a3a4fb0b4" title="See MidiOut::initDev()">SynthOut::initDev</a> (<span class="keywordtype">void</span>)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="preprocessor">#ifdef HAVE_OSS_SUPPORT</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span>  <span class="keywordtype">int</span> chn;
<a name="l00117"></a>00117   <span class="keywordflow">if</span> (!<a class="code" href="classMidiOut.html#adb7701cf6f4fea7bfdf4b110f3fd2fd2" title="Returns true if everything&#39;s ok and false if there has been any problem.">ok</a>()) <span class="keywordflow">return</span>;
<a name="l00118"></a>00118   uchar gm_reset[5]={0x7e, 0x7f, 0x09, 0x01, 0xf7};
<a name="l00119"></a>00119   <a class="code" href="classSynthOut.html#ab995fbd9e19a36bcbce19d49147c1d6b" title="It&#39;s an empty function, as AWE devices don&#39;t support System Exclusive messages.">sysex</a>(gm_reset, <span class="keyword">sizeof</span>(gm_reset));
<a name="l00120"></a>00120   <span class="keywordflow">for</span> (chn=0;chn&lt;16;chn++)
<a name="l00121"></a>00121   {
<a name="l00122"></a>00122     chnmute[chn]=0;
<a name="l00123"></a>00123     <a class="code" href="classSynthOut.html#a8f14efe1038a2abb4165a0cc5f1433c9" title="See MidiOut::chnPatchChange()">chnPatchChange</a>(chn,0);
<a name="l00124"></a>00124     <a class="code" href="classSynthOut.html#a450a9f7980aad75b038fde8a43d50ce4" title="See MidiOut::chnPressure()">chnPressure</a>(chn,127);
<a name="l00125"></a>00125     <a class="code" href="classSynthOut.html#a3a19b705050eecab3b818f74a031d73d" title="See MidiOut::chnPitchBender()">chnPitchBender</a>(chn, 0x00, 0x40);
<a name="l00126"></a>00126     <a class="code" href="classSynthOut.html#ae51ace64e625925959f967533a0c24a0" title="See MidiOut::chnController()">chnController</a>(chn, CTL_MAIN_VOLUME,127);
<a name="l00127"></a>00127     <a class="code" href="classSynthOut.html#ae51ace64e625925959f967533a0c24a0" title="See MidiOut::chnController()">chnController</a>(chn, CTL_EXT_EFF_DEPTH, 0);
<a name="l00128"></a>00128     <a class="code" href="classSynthOut.html#ae51ace64e625925959f967533a0c24a0" title="See MidiOut::chnController()">chnController</a>(chn, CTL_CHORUS_DEPTH, 0);
<a name="l00129"></a>00129     <a class="code" href="classSynthOut.html#ae51ace64e625925959f967533a0c24a0" title="See MidiOut::chnController()">chnController</a>(chn, 0x4a, 127);
<a name="l00130"></a>00130   }
<a name="l00131"></a>00131 <span class="preprocessor">#endif</span>
<a name="l00132"></a>00132 <span class="preprocessor"></span>}
<a name="l00133"></a>00133 
<a name="l00134"></a><a class="code" href="classSynthOut.html#a3a48d6c3f493ab5b004df07e20fbf331">00134</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a3a48d6c3f493ab5b004df07e20fbf331" title="See MidiOut::noteOn()">SynthOut::noteOn</a>  (uchar chn, uchar note, uchar vel)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136   <span class="keywordflow">if</span> (vel==0)
<a name="l00137"></a>00137   {
<a name="l00138"></a>00138     <a class="code" href="classSynthOut.html#afe97bb5266e1b3764a86f7073bea260e" title="See MidiOut::noteOff()">noteOff</a>(chn,note,vel);
<a name="l00139"></a>00139   }
<a name="l00140"></a>00140   <span class="keywordflow">else</span>
<a name="l00141"></a>00141   {
<a name="l00142"></a>00142     SEQ_START_NOTE(device, map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn),
<a name="l00143"></a>00143     map-&gt;<a class="code" href="classMidiMapper.html#a88a6f8a23e19edd34341f921e5617953" title="Returns the key that key note playing a pgm patch on channel chn should be mapped to...">key</a>(chn,chnpatch[chn],note),
<a name="l00144"></a>00144     vel);
<a name="l00145"></a>00145   }
<a name="l00146"></a>00146 <span class="preprocessor">#ifdef SYNTHOUTDEBUG</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span>  printfdebug(<span class="stringliteral">&quot;Note ON &gt;\t chn : %d\tnote : %d\tvel: %d\n&quot;</span>,chn,note,vel);
<a name="l00148"></a>00148 <span class="preprocessor">#endif</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span>}
<a name="l00150"></a>00150 
<a name="l00151"></a><a class="code" href="classSynthOut.html#afe97bb5266e1b3764a86f7073bea260e">00151</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#afe97bb5266e1b3764a86f7073bea260e" title="See MidiOut::noteOff()">SynthOut::noteOff</a> (uchar chn, uchar note, uchar)
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153   SEQ_STOP_NOTE(device, map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn),
<a name="l00154"></a>00154       map-&gt;<a class="code" href="classMidiMapper.html#a88a6f8a23e19edd34341f921e5617953" title="Returns the key that key note playing a pgm patch on channel chn should be mapped to...">key</a>(chn,chnpatch[chn],note), 0);
<a name="l00155"></a>00155 <span class="preprocessor">#ifdef SYNTHOUTDEBUG</span>
<a name="l00156"></a>00156 <span class="preprocessor"></span>  printfdebug(<span class="stringliteral">&quot;Note OFF &gt;\t chn : %d\tnote : %d\tvel: %d\n&quot;</span>,chn,note,vel);
<a name="l00157"></a>00157 <span class="preprocessor">#endif</span>
<a name="l00158"></a>00158 <span class="preprocessor"></span>}
<a name="l00159"></a>00159 
<a name="l00160"></a><a class="code" href="classSynthOut.html#a6e48e60f92c80bc6c082761fc2d4bafd">00160</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a6e48e60f92c80bc6c082761fc2d4bafd" title="See MidiOut::keyPressure()">SynthOut::keyPressure</a> (uchar chn, uchar note, uchar vel)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162   SEQ_KEY_PRESSURE(device, map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn), map-&gt;<a class="code" href="classMidiMapper.html#a88a6f8a23e19edd34341f921e5617953" title="Returns the key that key note playing a pgm patch on channel chn should be mapped to...">key</a>(chn,chnpatch[chn],note),vel);
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164 
<a name="l00165"></a><a class="code" href="classSynthOut.html#a8f14efe1038a2abb4165a0cc5f1433c9">00165</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a8f14efe1038a2abb4165a0cc5f1433c9" title="See MidiOut::chnPatchChange()">SynthOut::chnPatchChange</a> (uchar chn, uchar patch)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167   SEQ_SET_PATCH(device,map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn),map-&gt;<a class="code" href="classMidiMapper.html#a7f6e49b422e84e432bc9d6f762135e7a" title="Returns the patch which pgm used on channel chn should be mapped to.">patch</a>(chn,patch));
<a name="l00168"></a>00168   chnpatch[chn]=patch;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 
<a name="l00171"></a><a class="code" href="classSynthOut.html#a450a9f7980aad75b038fde8a43d50ce4">00171</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a450a9f7980aad75b038fde8a43d50ce4" title="See MidiOut::chnPressure()">SynthOut::chnPressure</a> (uchar chn, uchar vel)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173   SEQ_CHN_PRESSURE(device, map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn) , vel);
<a name="l00174"></a>00174   chnpressure[chn]=vel;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 
<a name="l00177"></a><a class="code" href="classSynthOut.html#a3a19b705050eecab3b818f74a031d73d">00177</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#a3a19b705050eecab3b818f74a031d73d" title="See MidiOut::chnPitchBender()">SynthOut::chnPitchBender</a>(uchar chn,uchar lsb, uchar msb)
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179   chnbender[chn]=((int)msb&lt;&lt;7) | (lsb &amp; 0x7F);
<a name="l00180"></a>00180   SEQ_BENDER(device, map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn), chnbender[chn]);
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 
<a name="l00183"></a><a class="code" href="classSynthOut.html#ae51ace64e625925959f967533a0c24a0">00183</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#ae51ace64e625925959f967533a0c24a0" title="See MidiOut::chnController()">SynthOut::chnController</a> (uchar chn, uchar ctl, uchar v)
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185   <span class="keywordflow">if</span> ((ctl==11)||(ctl==7))
<a name="l00186"></a>00186   {
<a name="l00187"></a>00187     v=(v*volumepercentage)/100;
<a name="l00188"></a>00188     <span class="keywordflow">if</span> (v&gt;127) v=127;
<a name="l00189"></a>00189   }
<a name="l00190"></a>00190 
<a name="l00191"></a>00191   SEQ_CONTROL(device, map-&gt;<a class="code" href="classMidiMapper.html#a17387e063703eba46a32e7c74e3701ad" title="Returns the channel which chn should be mapped to.">channel</a>(chn), ctl, v);
<a name="l00192"></a>00192   chncontroller[chn][ctl]=v;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 
<a name="l00195"></a><a class="code" href="classSynthOut.html#ab995fbd9e19a36bcbce19d49147c1d6b">00195</a> <span class="keywordtype">void</span> <a class="code" href="classSynthOut.html#ab995fbd9e19a36bcbce19d49147c1d6b" title="It&#39;s an empty function, as AWE devices don&#39;t support System Exclusive messages.">SynthOut::sysex</a>(uchar *, ulong )
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197   <span class="comment">// AWE32 doesn&#39;t respond to sysex (AFAIK)</span>
<a name="l00198"></a>00198 <span class="comment">/*</span>
<a name="l00199"></a>00199 <span class="comment">#ifndef HAVE_AWE32</span>
<a name="l00200"></a>00200 <span class="comment">  ulong i=0;</span>
<a name="l00201"></a>00201 <span class="comment">  SEQ_MIDIOUT(device, MIDI_SYSTEM_PREFIX);</span>
<a name="l00202"></a>00202 <span class="comment">  while (i&lt;size)</span>
<a name="l00203"></a>00203 <span class="comment">  {</span>
<a name="l00204"></a>00204 <span class="comment">    SEQ_MIDIOUT(device, *data);</span>
<a name="l00205"></a>00205 <span class="comment">    data++;</span>
<a name="l00206"></a>00206 <span class="comment">    i++;</span>
<a name="l00207"></a>00207 <span class="comment">  };</span>
<a name="l00208"></a>00208 <span class="comment">  printfdebug(&quot;sysex\n&quot;);</span>
<a name="l00209"></a>00209 <span class="comment">#endif</span>
<a name="l00210"></a>00210 <span class="comment">*/</span>
<a name="l00211"></a>00211 }
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