/*
    Copyright (C) 2000 Rainer Maximini
                       r_maximi@informatik.uni-kl.de

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __MP3_LAYER_H
#define __MP3_LAYER_H
/*=============================================================================
  HEADERs
=============================================================================*/
#include <stdio.h>
#include <sys/stat.h> 
#include <unistd.h>    
#include <stdlib.h>
#include <qstring.h>
//#include "mp3_dxHead.h"
//#include "exception_fa.h"

/*=============================================================================
  CLASSes
=============================================================================*/

//-----------------------------------------------------------------------------
// class Layer
//-----------------------------------------------------------------------------
class MP3Layer {
 public:
  MP3Layer();
  ~MP3Layer();
  const char * mode_name(void);
  const char * layer_name(void);
  const char * version_name(void);
  const char * version_num(void);
  int          layer_num();
  unsigned int bitrate(void);
  unsigned int sfreq(void);
  unsigned long length(void);
  unsigned int pcmPerFrame(void);
  unsigned int getFrameSize();
  unsigned long getFileSize(); // this is not part of the layer 

  bool scan(QFile * f, QString filename);

  static const char * mode_names[5];
  static const char * layer_names[3];
  static const char * version_names[3];
  static const char * version_nums[3];
  static const unsigned int bitrates[3][3][15];
  static const unsigned int s_freq[3][4];

  static const int MPG_MD_STEREO;
  static const int MPG_MD_JOINT_STEREO;
  static const int MPG_MD_DUAL_CHANNEL;
  static const int MPG_MD_MONO;

  static const int MPG_MD_LR_LR;
  static const int MPG_MD_LR_I;
  static const int MPG_MD_MS_LR;
  static const int MPG_MD_MS_I;

 private:
  int lXingVBR;
//  XHEADDATA* xHeadData;

  int version;
  int lay;
  int error_protection;
  int bitrate_index;
  int sampling_frequency;
  int padding;
  int extension;
  int mode;
  int mode_ext;
  int copyright;
  int original;
  int emphasis;
  int stereo;
  unsigned int pcm;
  unsigned long fileSize;

  int getTotalframes();
  int isXingVBR();
//  XHEADDATA* getXHeadData();

};

#endif