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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.org
*
* Common data structures and functions used by FLAC and OggFLAC
* (c) 2005 by Eric Wong <normalperson@yhbt.net>
*
* 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 _FLAC_COMMON_H
#define _FLAC_COMMON_H
#include "../decoder_api.h"
#if defined(HAVE_FLAC) || defined(HAVE_OGGFLAC)
#include <FLAC/export.h>
#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
# include <FLAC/seekable_stream_decoder.h>
# define flac_decoder FLAC__SeekableStreamDecoder
# define flac_new() FLAC__seekable_stream_decoder_new()
# define flac_ogg_init(a,b,c,d,e,f,g,h,i,j) (0)
# define flac_get_decode_position(x,y) \
FLAC__seekable_stream_decoder_get_decode_position(x,y)
# define flac_get_state(x) FLAC__seekable_stream_decoder_get_state(x)
# define flac_process_single(x) FLAC__seekable_stream_decoder_process_single(x)
# define flac_process_metadata(x) \
FLAC__seekable_stream_decoder_process_until_end_of_metadata(x)
# define flac_seek_absolute(x,y) \
FLAC__seekable_stream_decoder_seek_absolute(x,y)
# define flac_finish(x) FLAC__seekable_stream_decoder_finish(x)
# define flac_delete(x) FLAC__seekable_stream_decoder_delete(x)
# define flac_decoder_eof FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM
typedef unsigned flac_read_status_size_t;
# define flac_read_status FLAC__SeekableStreamDecoderReadStatus
# define flac_read_status_continue \
FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK
# define flac_read_status_eof FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK
# define flac_read_status_abort \
FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR
# define flac_seek_status FLAC__SeekableStreamDecoderSeekStatus
# define flac_seek_status_ok FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK
# define flac_seek_status_error FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR
# define flac_tell_status FLAC__SeekableStreamDecoderTellStatus
# define flac_tell_status_ok FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK
# define flac_tell_status_error \
FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR
# define flac_tell_status_unsupported \
FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR
# define flac_length_status FLAC__SeekableStreamDecoderLengthStatus
# define flac_length_status_ok FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK
# define flac_length_status_error \
FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR
# define flac_length_status_unsupported \
FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR
# ifdef HAVE_OGGFLAC
# include <OggFLAC/seekable_stream_decoder.h>
# endif
#else /* FLAC_API_VERSION_CURRENT > 7 */
/*
* OggFLAC support is handled by our flac_plugin already, and
* thus we *can* always have it if libFLAC was compiled with it
*/
# include "_ogg_common.h"
# include <FLAC/stream_decoder.h>
# define flac_decoder FLAC__StreamDecoder
# define flac_new() FLAC__stream_decoder_new()
# define flac_init(a,b,c,d,e,f,g,h,i,j) \
(FLAC__stream_decoder_init_stream(a,b,c,d,e,f,g,h,i,j) \
== FLAC__STREAM_DECODER_INIT_STATUS_OK)
# define flac_ogg_init(a,b,c,d,e,f,g,h,i,j) \
(FLAC__stream_decoder_init_ogg_stream(a,b,c,d,e,f,g,h,i,j) \
== FLAC__STREAM_DECODER_INIT_STATUS_OK)
# define flac_get_decode_position(x,y) \
FLAC__stream_decoder_get_decode_position(x,y)
# define flac_get_state(x) FLAC__stream_decoder_get_state(x)
# define flac_process_single(x) FLAC__stream_decoder_process_single(x)
# define flac_process_metadata(x) \
FLAC__stream_decoder_process_until_end_of_metadata(x)
# define flac_seek_absolute(x,y) FLAC__stream_decoder_seek_absolute(x,y)
# define flac_finish(x) FLAC__stream_decoder_finish(x)
# define flac_delete(x) FLAC__stream_decoder_delete(x)
# define flac_decoder_eof FLAC__STREAM_DECODER_END_OF_STREAM
typedef size_t flac_read_status_size_t;
# define flac_read_status FLAC__StreamDecoderReadStatus
# define flac_read_status_continue \
FLAC__STREAM_DECODER_READ_STATUS_CONTINUE
# define flac_read_status_eof FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM
# define flac_read_status_abort FLAC__STREAM_DECODER_READ_STATUS_ABORT
# define flac_seek_status FLAC__StreamDecoderSeekStatus
# define flac_seek_status_ok FLAC__STREAM_DECODER_SEEK_STATUS_OK
# define flac_seek_status_error FLAC__STREAM_DECODER_SEEK_STATUS_ERROR
# define flac_seek_status_unsupported \
FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED
# define flac_tell_status FLAC__StreamDecoderTellStatus
# define flac_tell_status_ok FLAC__STREAM_DECODER_TELL_STATUS_OK
# define flac_tell_status_error FLAC__STREAM_DECODER_TELL_STATUS_ERROR
# define flac_tell_status_unsupported \
FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED
# define flac_length_status FLAC__StreamDecoderLengthStatus
# define flac_length_status_ok FLAC__STREAM_DECODER_LENGTH_STATUS_OK
# define flac_length_status_error FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR
# define flac_length_status_unsupported \
FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
#include <FLAC/metadata.h>
#define FLAC_CHUNK_SIZE 4080
typedef struct {
unsigned char chunk[FLAC_CHUNK_SIZE];
size_t chunk_length;
float time;
unsigned int bitRate;
AudioFormat audio_format;
FLAC__uint64 position;
struct decoder *decoder;
InputStream *inStream;
ReplayGainInfo *replayGainInfo;
MpdTag *tag;
} FlacData;
/* initializes a given FlacData struct */
void init_FlacData(FlacData * data, struct decoder * decoder,
InputStream * inStream);
void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
FlacData * data);
void flac_error_common_cb(const char *plugin,
FLAC__StreamDecoderErrorStatus status,
FlacData * data);
MpdTag *copyVorbisCommentBlockToMpdTag(const FLAC__StreamMetadata * block,
MpdTag * tag);
/* keep this inlined, this is just macro but prettier :) */
static inline int flacSendChunk(FlacData * data)
{
if (decoder_data(data->decoder, data->inStream,
1, data->chunk,
data->chunk_length, data->time,
data->bitRate,
data->replayGainInfo) == OUTPUT_BUFFER_DC_STOP)
return -1;
return 0;
}
#endif /* HAVE_FLAC || HAVE_OGGFLAC */
#endif /* _FLAC_COMMON_H */
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