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/root/src/subsynth/syn/Stream/RawAudioOStream.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: RawAudioOStream.h,v $
 * Date modified: $Date: 2002/02/16 19:24:16 $
 * Version:       $Revision: 1.11 $
 * -----------------------------------------------------------------
 *
 ****************** <SYN heading END do not edit this line> ******************/

#ifndef SUBSYNTH_RAW_AUDIO_OSTREAM
#define SUBSYNTH_RAW_AUDIO_OSTREAM

#include <iostream>
#include <fstream>
#include <string>
#include "syn/Stream/WavHeader.h"
#include "syn/Stream/AudioOStream.h"

namespace syn
{

   class RawAudioOStream : public AudioOStream
   {
   public:
      RawAudioOStream() : mIsOpen( false ), mName( "untitled.raw" ), mPcount( 0 )
      {
      }

      virtual ~RawAudioOStream(){}

      void setName( const std::string& name )
      {
         if (name != mName && mIsOpen == true)
         {
            this->close();
            mName = name;
            this->open( mFmt );
         }
         else
         {
            mName = name;
         }
      }

      bool open( const syn::AudioFormat& fmt )
      {
         mFileOStream.open( mName.c_str(), std::ios::out | std::ios::binary );
         if (mFileOStream.good())
         {
            mIsOpen = true;
            mFmt = fmt;
            return true;
         }
         
         return false;
      }

      virtual bool isOpen() { return mIsOpen; }
      
      virtual bool canAcceptMoreData() const
      {
         return mIsOpen == true;
      }

      bool write( const void* const data, int samples )
      {
         if (mIsOpen == false)
            return false;

         mPcount = samples;
         mFileOStream.write( (char*) data, samples * mFmt.sampsize() );

         return true;
      }

      virtual int pcount() const { return mPcount; }

      bool close()
      {
         if (mIsOpen == false)
            return false;

         mFileOStream.close();

         mIsOpen = false;
         return mIsOpen == false;
      }

      /* commit all unwritten data, returns when all data is finished writing */
      virtual void flush()
      {
         mFileOStream<<std::flush;
      }
      
   private:
      std::fstream mFileOStream;
      bool mIsOpen;
      std::string mName;
      int mPcount;
      syn::AudioFormat mFmt;
   };

}


#endif

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