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/*
* readanysf~ external for pd.
*
* Copyright (C) 2003, 2004 August Black
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ReadFlac.h
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef READ_FLAC
#ifndef _READFLAC_H
#define _READFLAC_H
extern "C" {
#include "FLAC/stream_decoder.h"
};
#include "Readsf.h"
#include "generic.h"
class ReadFlac : public Readsf {
public:
ReadFlac( Input *input);
virtual ~ReadFlac();
virtual bool Initialize();
virtual int Decode(float *buffer, int size);
virtual bool Rewind();
virtual bool PCM_seek(long bytes);
virtual bool TIME_seek(double seconds);
protected:
bool needs_seek;
FLAC__uint64 seek_sample;
unsigned samples_in_reservoir;
bool abort_flag;
FLAC__StreamDecoder *decoder;
FLAC__StreamMetadata streaminfo;
FLAC__int16 reservoir[FLAC__MAX_BLOCK_SIZE * 2 * 2]; // *2 for max channels, another *2 for overflow
//unsigned char output[576 * 2 * (16/8)]; // *2 for max channels, (16/8) for max bytes per sample
unsigned lengthInMsec() { return (unsigned)((FLAC__uint64)1000 * streaminfo.data.stream_info.total_samples / streaminfo.data.stream_info.sample_rate); }
private:
void ErrorCheck(int state);
long filelength;
void cleanup();
static FLAC__StreamDecoderReadStatus readCallback_(const FLAC__StreamDecoder *decoder,
FLAC__byte buffer[],
unsigned *bytes,
void *client_data);
static FLAC__StreamDecoderWriteStatus writeCallback_(const FLAC__StreamDecoder *decoder,
const FLAC__Frame *frame,
const FLAC__int32 * const buffer[],
void *client_data);
static FLAC__bool eofCallback_(const FLAC__StreamDecoder *decoder, void *client_data);
static void metadataCallback_(const FLAC__StreamDecoder *decoder,
const FLAC__StreamMetadata *metadata,
void *client_data);
static void errorCallback_(const FLAC__StreamDecoder *decoder,
FLAC__StreamDecoderErrorStatus status,
void *client_data);
};
#endif
#endif //#ifdef READ_FLAC
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