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92 lines
2.5 KiB
92 lines
2.5 KiB
/*
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Rosegarden
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A sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <bownie@bownie.com>
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The moral right of the authors to claim authorship of this work
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has been asserted.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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// Specialisation of a RIFF file - the WAV defines a format chunk
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// holding audio file meta data and a data chunk with interleaved
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// sample bytes.
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//
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#include "RIFFAudioFile.h"
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#ifndef _WAVAUDIOFILE_H_
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#define _WAVAUDIOFILE_H_
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namespace Rosegarden
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{
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class WAVAudioFile : public RIFFAudioFile
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{
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public:
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WAVAudioFile(const unsigned int &id,
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const std::string &name,
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const std::string &fileName);
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WAVAudioFile(const std::string &fileName,
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unsigned int channels,
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unsigned int sampleRate,
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unsigned int bytesPerSecond,
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unsigned int bytesPerSample,
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unsigned int bitsPerSample);
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~WAVAudioFile();
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// Override these methods for the WAV
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//
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virtual bool open();
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virtual bool write();
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virtual void close();
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// Decode and de-interleave the given samples that were retrieved
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// from this file or another with the same format as it. Place
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// the results in the given float buffer. Return true for
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// success. This function does crappy resampling if necessary.
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//
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virtual bool decode(const unsigned char *sourceData,
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size_t sourceBytes,
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size_t targetSampleRate,
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size_t targetChannels,
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size_t targetFrames,
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std::vector<float *> &targetData,
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bool addToResultBuffers = false);
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// Get all header information
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//
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void parseHeader();
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// Offset to start of sample data
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//
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virtual std::streampos getDataOffset();
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// Peak file name
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//
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virtual std::string getPeakFilename()
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{ return (m_fileName + std::string(".pk")); }
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protected:
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};
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}
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#endif // _WAVAUDIOFILE_H_
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