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