LWAFile.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2014 by Paul Demorest
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
#ifndef __LWAFile_h
#define __LWAFile_h
 
#include "dsp/BlockFile.h"
 
#define LWA_HEADER_BYTES 32
#define LWA_DATA_BYTES 4096
#define LWA_FRAME_BYTES (LWA_HEADER_BYTES+LWA_DATA_BYTES)
 
namespace dsp {
 
 
  class LWAFile : public BlockFile
  {
  public:
          
    LWAFile (const char* filename=0, const char* headername=0);
          
    ~LWAFile ();
          
    bool is_valid (const char* filename) const;
 
  protected:
 
    friend class LWAUnpacker;
 
    void open_file (const char* filename);
 
    void reopen ();
    
    //int64_t seek_bytes (uint64_t bytes);
 
    void* stream;
 
    uint64_t reopen_seek;
 
    char datafile[256];
 
  };
 
}
 
#endif // !defined(__LWAFile_h)