mirror of
https://github.com/cookiengineer/audacity
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52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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PCMAliasBlockFile.h
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Joshua Haberman
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**********************************************************************/
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#ifndef __AUDACITY_PCMALIASBLOCKFILE__
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#define __AUDACITY_PCMALIASBLOCKFILE__
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#include "../BlockFile.h"
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#include "../DirManager.h"
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/// An AliasBlockFile that references uncompressed data in an existing file
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class PCMAliasBlockFile /* not final */ : public AliasBlockFile
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{
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public:
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/// Constructs a PCMAliasBlockFile, writing the summary to disk
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PCMAliasBlockFile(wxFileNameWrapper &&baseFileName,
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wxFileNameWrapper &&aliasedFileName,
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sampleCount aliasStart,
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size_t aliasLen, int aliasChannel);
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///Constructs a PCMAliasBlockFile with the option of not writing to disk
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PCMAliasBlockFile(wxFileNameWrapper &&fileName,
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wxFileNameWrapper &&aliasedFileName,
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sampleCount aliasStart,
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size_t aliasLen, int aliasChannel,bool writeSummary);
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PCMAliasBlockFile(wxFileNameWrapper &&existingSummaryFileName,
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wxFileNameWrapper &&aliasedFileName,
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sampleCount aliasStart,
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size_t aliasLen, int aliasChannel,
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float min, float max, float rms);
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virtual ~PCMAliasBlockFile();
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/// Reads the specified data from the aliased file using libsndfile
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size_t ReadData(samplePtr data, sampleFormat format,
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size_t start, size_t len, bool mayThrow) const override;
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void SaveXML(XMLWriter &xmlFile) override;
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BlockFilePtr Copy(wxFileNameWrapper &&fileName) override;
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void Recover() override;
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static BlockFilePtr BuildFromXML(DirManager &dm, const wxChar **attrs);
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};
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#endif
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