53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2007-2011 Werner Schweer
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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 version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __AUDIOFILE_H__
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#define __AUDIOFILE_H__
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#include <sndfile.h>
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//---------------------------------------------------------
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// AudioFile
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//---------------------------------------------------------
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class AudioFile {
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SF_INFO info;
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SNDFILE* sf;
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SF_INSTRUMENT inst;
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bool hasInstrument;
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QByteArray buf; // used during read of Sample
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int idx;
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public:
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AudioFile();
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~AudioFile();
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bool open(const QByteArray&);
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const char* error() const { return sf_strerror(sf); }
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int read(short*, int);
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int channels() const { return info.channels; }
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int frames() const { return info.frames; }
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int samplerate() const { return info.samplerate; }
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sf_count_t getFileLen() const { return buf.size(); }
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sf_count_t tell() const { return idx; }
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sf_count_t read(void* ptr, sf_count_t count);
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sf_count_t write(const void* ptr, sf_count_t count);
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sf_count_t seek(sf_count_t offset, int whence);
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unsigned int loopStart(int v = 0) { return hasInstrument ? inst.loops[v].start : -1; }
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unsigned int loopEnd(int v = 0) { return hasInstrument ? inst.loops[v].end : -1; }
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int loopMode(int v = 0) { return hasInstrument ? inst.loops[v].mode : -1; }
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};
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#endif
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