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/*
Audio File Library
Copyright (C) 2010-2011, 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 FILEHANDLE_H
#define FILEHANDLE_H
#include "afinternal.h"
#include <stdint.h>
class File;
class Tag;
struct Instrument;
struct Miscellaneous;
struct Track;
struct _AFfilehandle
{
static _AFfilehandle *create(int fileFormat);
int m_valid; // _AF_VALID_FILEHANDLE
int m_access; // _AF_READ_ACCESS or _AF_WRITE_ACCESS
bool m_seekok;
File *m_fh;
char *m_fileName;
int m_fileFormat;
int m_trackCount;
Track *m_tracks;
int m_instrumentCount;
Instrument *m_instruments;
int m_miscellaneousCount;
Miscellaneous *m_miscellaneous;
private:
int m_formatByteOrder;
status copyTracksFromSetup(AFfilesetup setup);
status copyInstrumentsFromSetup(AFfilesetup setup);
status copyMiscellaneousFromSetup(AFfilesetup setup);
public:
virtual ~_AFfilehandle();
virtual int getVersion() { return 0; }
virtual status readInit(AFfilesetup) = 0;
virtual status writeInit(AFfilesetup) = 0;
virtual status update() = 0;
virtual bool isInstrumentParameterValid(AUpvlist, int) { return false; }
bool checkCanRead();
bool checkCanWrite();
Track *allocateTrack();
Track *getTrack(int trackID = AF_DEFAULT_TRACK);
Instrument *getInstrument(int instrumentID);
Miscellaneous *getMiscellaneous(int miscellaneousID);
protected:
_AFfilehandle();
status initFromSetup(AFfilesetup setup);
void setFormatByteOrder(int byteOrder) { m_formatByteOrder = byteOrder; }
bool readU8(uint8_t *);
bool readS8(int8_t *);
bool readU16(uint16_t *);
bool readS16(int16_t *);
bool readU32(uint32_t *);
bool readS32(int32_t *);
bool readU64(uint64_t *);
bool readS64(int64_t *);
bool readFloat(float *);
bool readDouble(double *);
bool writeU8(const uint8_t *);
bool writeS8(const int8_t *);
bool writeU16(const uint16_t *);
bool writeS16(const int16_t *);
bool writeU32(const uint32_t *);
bool writeS32(const int32_t *);
bool writeU64(const uint64_t *);
bool writeS64(const int64_t *);
bool writeFloat(const float *);
bool writeDouble(const double *);
bool readTag(Tag *t);
bool writeTag(const Tag *t);
};
#endif
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