AudioBufferMixer.hxx

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00001 /*
00002  * Copyright (c) 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 #ifndef _AudioBufferMixer_hxx__
00023 #define _AudioBufferMixer_hxx__
00024 
00025 #include "Processing.hxx"
00026 #include "OutPort.hxx"
00027 #include "InPort.hxx"
00028 #include "Audio.hxx"
00029 #include "InControl.hxx"
00030 
00031 namespace CLAM
00032 {
00033 
00034 class AudioBufferMixer: public Processing
00035 {
00036 private:
00037         AudioMixerConfig  mConfig;
00038 
00039         std::vector< InPort<Audio>* > mInputPorts;
00040         OutPort<Audio> mOutputPort;             
00041         std::vector< FloatInControl* > mInputControls;
00042         
00043         void RemovePortsAndControls();
00044         void CreatePortsAndControls();
00045 
00046 public:
00047         bool ConcreteConfigure(const ProcessingConfig& c);
00048         AudioBufferMixer();
00049         virtual ~AudioBufferMixer()
00050         {
00051                 RemovePortsAndControls();
00052         }
00053         bool ModifiesPortsAndControlsAtConfiguration()
00054         {
00055                 return true;
00056         }
00057 
00058         const char * GetClassName() const {return "AudioBufferMixer";}
00059         const ProcessingConfig &GetConfig() const { return mConfig;}
00060         bool Do();
00061         virtual bool SupportsVariableAudioSize() const {return true;}
00062 };
00063 
00064 } // namespace CLAM
00065 
00066 #endif // __AudioBufferMixer_hxx__
00067 
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