SilentBlockFile.h

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/**********************************************************************
 
   Audacity: A Digital Audio Editor
   Audacity(R) is copyright (c) 1999-2010 Audacity Team.
   License: GPL v2.  See License.txt.
 
   SilentBlockFile.h
 
   Dominic Mazzoni
   Vaughan Johnson
 
**********************************************************************/
 
#ifndef __AUDACITY_SILENT_BLOCKFILE__
#define __AUDACITY_SILENT_BLOCKFILE__
 
#include "../BlockFile.h"
 
class DirManager;
 
class SilentBlockFile final : public BlockFile {
 public:
 
   // Constructor / Destructor
 
   SilentBlockFile(size_t sampleLen);
 
   virtual ~SilentBlockFile();
 
   // Reading
 
   bool ReadSummary(ArrayOf<char> &data) override;
   size_t ReadData(samplePtr data, sampleFormat format,
                        size_t start, size_t len, bool mayThrow) const override;
 
   BlockFilePtr Copy(wxFileNameWrapper &&newFileName) override;
   void SaveXML(XMLWriter &xmlFile) override;
   DiskByteCount GetSpaceUsage() const override;
   void Recover() override { };
 
   static BlockFilePtr BuildFromXML(DirManager &dm, const wxChar **attrs);
};
 
#endif