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/*
Audio File Library
Copyright (C) 2013 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 FLACFile_h
#define FLACFile_h
#include "Compiler.h"
#include "FileHandle.h"
#include "Features.h"
#if ENABLE(FLAC)
#include <FLAC/format.h>
#include <FLAC/stream_decoder.h>
#endif
#define _AF_FLAC_NUM_COMPTYPES 1
extern const int _af_flac_compression_types[_AF_FLAC_NUM_COMPTYPES];
class FLACFile : public _AFfilehandle
{
public:
static bool recognize(File *);
static AFfilesetup completeSetup(AFfilesetup);
FLACFile();
~FLACFile();
status readInit(AFfilesetup) OVERRIDE;
status writeInit(AFfilesetup) OVERRIDE;
status update() OVERRIDE;
private:
#if ENABLE(FLAC)
void parseStreamInfo(const FLAC__StreamMetadata_StreamInfo &);
static FLAC__StreamDecoderReadStatus readCallback(const FLAC__StreamDecoder *, FLAC__byte buffer[], size_t *bytes, void *clientData);
static FLAC__StreamDecoderSeekStatus seekCallback(const FLAC__StreamDecoder *, FLAC__uint64 absoluteByteOffset, void *clientData);
static FLAC__StreamDecoderTellStatus tellCallback(const FLAC__StreamDecoder *, FLAC__uint64 *absoluteByteOffset, void *clientData);
static FLAC__StreamDecoderLengthStatus lengthCallback(const FLAC__StreamDecoder *, FLAC__uint64 *length, void *clientData);
static FLAC__bool eofCallback(const FLAC__StreamDecoder *, void *clientData);
static FLAC__StreamDecoderWriteStatus writeCallback(const FLAC__StreamDecoder *, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *clientData);
static void metadataCallback(const FLAC__StreamDecoder *, const FLAC__StreamMetadata *metadata, void *clientData);
static void errorCallback(const FLAC__StreamDecoder *, FLAC__StreamDecoderErrorStatus status, void *clientData);
#endif
};
#endif
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