AudioBufferAmplifier.cxx

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00001 /*
00002  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
00003  *                         UNIVERSITAT POMPEU FABRA
00004  *
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  *
00020  */
00021 
00022 #include "AudioBufferAmplifier.hxx"
00023 #include "ProcessingFactory.hxx"
00024 
00025 namespace CLAM
00026 {
00027 
00028 namespace Hidden
00029 {
00030         static const char * metadata[] = {
00031                 "key", "AudioBufferAmplifier",
00032                 "category", "Arithmetic Operations",
00033                 "description", "AudioBufferAmplifier",
00034                 0
00035         };
00036         static FactoryRegistrator<ProcessingFactory, AudioBufferAmplifier> reg = metadata;
00037 }
00038 
00039         void AudioBufferAmplifier::ResizePorts(unsigned newSize)
00040         {
00041                 unsigned oldSize = _inputs.size();
00042                 CLAM_ASSERT(_inputs.size()==_outputs.size(),
00043                         "AudioBufferAmplifier had different number of inputs and outputs");
00044                 for (unsigned i = newSize; i<oldSize; i++)
00045                 {
00046                         delete _inputs[i];
00047                         delete _outputs[i];
00048                 }
00049                 _inputs.resize(newSize);
00050                 _outputs.resize(newSize);
00051                 for (unsigned i = oldSize; i<newSize; i++)
00052                 {
00053                         std::ostringstream number;
00054                         if (i>0) number << " " << i;
00055                         _inputs[i] = new InPort<Audio>("Input Audio" + number.str(), this );
00056                         _outputs[i] = new OutPort<Audio> ( "Audio Output" + number.str(), this);
00057                 }
00058         }
00059 }
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