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/root/src/subsynth/syn/Module/OpenALOutputModule.h

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/****************** <SYN heading BEGIN do not edit this line> *****************
 *
 * subsynth - modular audio synthesizer
 * subsynth is (C) Copyright 2001-2002 by Kevin Meinert
 *
 * Original Author: Kevin Meinert
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * -----------------------------------------------------------------
 * File:          $RCSfile: OpenALOutputModule.h,v $
 * Date modified: $Date: 2002/04/15 07:28:46 $
 * Version:       $Revision: 1.38 $
 * -----------------------------------------------------------------
 *
 ****************** <SYN heading END do not edit this line> ******************/
/* Generated by Together */

#ifndef OPENALOUTPUTMODULE_H
#define OPENALOUTPUTMODULE_H

#include "syn/Stream/OpenALAudioContext.h"
#include "syn/Stream/OpenALAudioOStream.h"
#include "syn/Core/SampleBufferQueue.h"
#include "syn/Core/SampleBufferQueuePtr.h"
#include "syn/Core/Module.h"

namespace syn
{
   class OpenALOutputModule : public Module
   {
   public:
      OpenALOutputModule();
      virtual ~OpenALOutputModule() {};
      virtual void update();
      
      virtual bool open();
      virtual bool isOpen() { return mWavStream.isOpen(); }
      void close();
      
      // set the amount of data to send to the sound api at one time
      // bigger increases audio quality, while increasing latency
      // smaller decreases audio quality, while decreasing latency
      void setOutputBufferSize( unsigned int size )
      {
         mBufSize = size;
         mTempBuf.resize( mBufSize );
         mTempBufIt = 0;
      }       

      virtual Module* clone() const
      {
         OpenALOutputModule* mod = new OpenALOutputModule;
         mod->setOutputBufferSize( mBufSize );
         return mod;
      }
      
      virtual void getParam( const std::string& key, MultivariateType& value )
      {
         if (key == "bufsize")
            value.setValue<unsigned int>( mBufSize );
      }

      virtual void setParam( const std::string& key, const MultivariateType& value )
      {
         if (key == "bufsize")
            this->setOutputBufferSize( value.getValue<unsigned int>() );
      }
   private:
      void writeSomeSilence();

      TerminalPtr mAmplitudeControlInput;
      TerminalPtr mMonoAudioInput;

      OpenALAudioOStream mWavStream;
      
      static OpenALAudioContext ctx;
      static bool mCtxInit;
      
      SampleBuffer1ss mTempBuf;
      unsigned int mTempBufIt;
      

      SampleBuffer1f* mReadBuf;
      unsigned int mReadBufIt;
      
      
      
      AudioFormat mOutputFmt;
      unsigned int mBufSize;

      
      /*#  Terminal lnkTerminal; */

      /*#  Terminal lnkTerminal; */
   };
}

#endif //OPENALOUTPUTMODULE_H

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