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aflibAudioFile.h

Go to the documentation of this file.

/*
 * Copyright: (C) 1999-2001 Bruce W. Forsberg
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or 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
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser 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
 *
 *   Bruce Forsberg  forsberg@tns.net
 *
 */


#ifndef _AFLIBAUDIOFILE_H
#define _AFLIBAUDIOFILE_H

#include "aflib.h"
#include "aflibAudio.h"
//#include "aflibFile.h"
#include <string>
#if __GNUC__ >= 3
using std::string;
#endif

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

class aflibConfig;
class aflibFile;

class aflibAudioFile : public aflibAudio {

public:

   // Constructor for a node with no parent (ie start of a chain)
   aflibAudioFile(
      aflibFileType type_enum,
      const string& file,
      aflibConfig* cfg = NULL,
      aflibStatus* status = NULL);

   // Constructor for a node with no parent (ie start of a chain)
   aflibAudioFile(
      const string& format,
      const string& file,
      aflibConfig* cfg = NULL,
      aflibStatus* status = NULL);

   // Constructor for a node with a parent
   aflibAudioFile(
      aflibAudio& audio,
      aflibFileType type_enum,
      const string& file,
      aflibConfig* cfg = NULL,
      aflibStatus* status = NULL);

   // Constructor for a node with a parent
   aflibAudioFile(
      aflibAudio& audio,
      const string& format,
      const string& file,
      aflibConfig* cfg = NULL,
      aflibStatus* status = NULL);

   ~aflibAudioFile();

   aflibStatus
   compute_segment(
      list<aflibData *>& data,
      long long position = -1) ;

   bool
   setItem(
      const char * item,
      const void * value);

   bool
   getItem(
      const char * item,
      void * value);

   const char *
   getName() const { return "aflibAudioFile";};

   void
   setInputConfig(const aflibConfig& cfg);
 
   const aflibConfig&
   getInputConfig() const;
 
   void
   setOutputConfig(const aflibConfig& cfg);
 
   const aflibConfig&
   getOutputConfig() const;

   const string&
   getFormat() const;

   bool
   isDataSizeSupported(aflib_data_size size);
 
   bool
   isEndianSupported(aflib_data_endian end);
 
   bool
   isSampleRateSupported(int& rate);

   bool
   isChannelsSupported(int& channels);

protected:

private:

aflibFile  *  _file_object;
bool       _has_parent;

};


#endif

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