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/*
Audio File Library
Copyright (C) 2010-2012, Michael Pruett <michael@68k.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA
*/
#ifndef FILE_MODULE_H
#define FILE_MODULE_H
#include "Module.h"
class FileModule : public Module
{
public:
virtual bool handlesSeeking() const { return false; }
virtual int bufferSize() const;
protected:
enum Mode { Compress, Decompress };
FileModule(Mode, Track *, File *fh, bool canSeek);
Mode mode() const { return m_mode; }
bool canSeek() const { return m_canSeek; }
ssize_t read(void *data, size_t nbytes);
ssize_t write(const void *data, size_t nbytes);
off_t seek(off_t offset);
off_t tell();
off_t length();
private:
Mode m_mode;
protected:
Track *m_track;
void reportReadError(AFframecount framesRead, AFframecount framesRequested);
void reportWriteError(AFframecount framesWritten, AFframecount framesRequested);
private:
File *m_fh;
bool m_canSeek;
};
#endif // FILE_MODULE_H
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