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74 lines
1.9 KiB
74 lines
1.9 KiB
/*
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* Copyright (C) 2002-2004,2006-2009,2013 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef WAVFileReader_H
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#define WAVFileReader_H
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#include <wx/wx.h>
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#if defined(__WINDOWS__)
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#include <windows.h>
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#include <mmsystem.h>
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#else
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#include <wx/ffile.h>
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#endif
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enum WAVFORMAT {
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FORMAT_8BIT,
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FORMAT_16BIT,
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FORMAT_32BIT
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};
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class CWAVFileReader {
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public:
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CWAVFileReader(const wxString& fileName, unsigned int blockSize);
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~CWAVFileReader();
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wxString getFilename() const;
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bool open();
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unsigned int read(wxFloat32* data, unsigned int length);
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void rewind();
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void close();
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unsigned int getSampleRate() const;
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unsigned int getChannels() const;
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private:
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wxString m_fileName;
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unsigned int m_blockSize;
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WAVFORMAT m_format;
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unsigned int m_channels;
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unsigned int m_sampleRate;
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wxUint8* m_buffer8;
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wxInt16* m_buffer16;
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wxFloat32* m_buffer32;
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#if defined(__WINDOWS__)
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HMMIO m_handle;
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MMCKINFO m_parent;
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MMCKINFO m_child;
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LONG m_offset;
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#else
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wxFFile* m_file;
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wxFileOffset m_offset;
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unsigned int m_length;
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#endif
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};
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#endif
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