/******************************************************************************
 * SAGE - Scalable Adaptive Graphics Environment
 *
 * Module: audioFileReader.h
 * Author : Hyejung Hur
 * 
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the distribution.
 *  * Neither the name of the University of Illinois at Chicago nor
 *    the names of its contributors may be used to endorse or promote
 *    products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 *
 * Direct questions, comments etc about SAGE to sage_users@listserv.uic.edu or 
 * http://www.evl.uic.edu/cavern/forum/
 *
 ***************************************************************************************************************************/

#ifndef _AUDIO_FILE_READER_H
#define _AUDIO_FILE_READER_H

#include "sageAudioCircBuf.h"
#include "audioConverter.h"
#include "audioFormatManager.h"

class sageAudioConfig;

class audioFileReader {
public:
   audioFileReader(audioFormatManager* fm);
   ~audioFileReader();
   void init();
   
   sageAudioCircBuf* load(char* filename, bool loop, int nframes, long totalframes);
   
   int start();
   int stop();

   static void* readThread(void *args);
   
private:
   sageAudioCircBuf* buffer;
   
   audioConverter* converter;
   audioFormatManager* formatManager;   

   int framePerBuffer;
   int channels;
   int bytesPerSample;
   sageSampleFmt sampleFmt;
   float gapTime;
      
   char* fileName;
   
   FILE* fileID;
   
   long totalLoadedFrames;
   long totalBlocks;
   
   bool startFlag;
   bool loopFlag;
}; 

#endif