/* Copyright (C) 2015-2018 J.F.Dockes
* 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.
*/
#ifndef _FLACDECODER_H_INCLUDED_
#define _FLACDECODER_H_INCLUDED_
#include <FLAC/stream_decoder.h>
#ifdef WITH_OHBUILD
#include "OhmReceiver.h"
#else
#include <OpenHome/OhmReceiver.h>
#endif
#include "audiodecoder.h"
using namespace OpenHome;
using namespace OpenHome::Av;
class FlacDecoder : public AudioDecoder {
static const int SAMPLES_BUF_SIZE = 16 * 1024;
public:
FlacDecoder();
~FlacDecoder();
void start();
int decode(OhmMsgAudio& aMsg);
void finish();
private:
void putAudioMessage(
unsigned int bits_per_sample,
unsigned int channels,
unsigned int frames,
unsigned int sample_rate,
bool halt);
static FLAC__StreamDecoderReadStatus readCallback(
const FLAC__StreamDecoder *decoder,
FLAC__byte buffer[],
size_t *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 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);
FLAC__StreamDecoder* m_decoder;
const unsigned char *m_buffer;
unsigned int m_bytes;
bool m_halt;
char m_pBuffer[SAMPLES_BUF_SIZE];
#ifdef DEBUG_DECODER
int dumpfd;
#endif
};
#endif /* _FLACDECODER_H_INCLUDED_ */