1 //=========================================================================
2 // FILENAME : tagutils-flc.c
3 // DESCRIPTION : FLAC metadata reader
4 //=========================================================================
5 // Copyright (c) 2008- NETGEAR, Inc. All Rights Reserved.
6 //=========================================================================
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 _get_flctags(char *filename
, struct song_metadata
*psong
)
26 FLAC__Metadata_SimpleIterator
*iterator
= 0;
27 FLAC__StreamMetadata
*block
;
32 if(!(iterator
= FLAC__metadata_simple_iterator_new()))
34 DPRINTF(E_FATAL
, L_SCANNER
, "Out of memory while FLAC__metadata_simple_iterator_new()\n");
38 if(!FLAC__metadata_simple_iterator_init(iterator
, filename
, true, true))
40 DPRINTF(E_ERROR
, L_SCANNER
, "Cannot extract tag from %s\n", filename
);
45 if(!(block
= FLAC__metadata_simple_iterator_get_block(iterator
)))
47 DPRINTF(E_ERROR
, L_SCANNER
, "Cannot extract tag from %s\n", filename
);
54 case FLAC__METADATA_TYPE_STREAMINFO
:
55 sec
= (unsigned int)(block
->data
.stream_info
.total_samples
/
56 block
->data
.stream_info
.sample_rate
);
57 ms
= (unsigned int)(((block
->data
.stream_info
.total_samples
%
58 block
->data
.stream_info
.sample_rate
) * 1000) /
59 block
->data
.stream_info
.sample_rate
);
60 if ((sec
== 0) && (ms
== 0))
61 break; /* Info is crap, escape div-by-zero. */
62 psong
->song_length
= (sec
* 1000) + ms
;
63 psong
->bitrate
= (((uint64_t)(psong
->file_size
) * 1000) / (psong
->song_length
/ 8));
64 psong
->samplerate
= block
->data
.stream_info
.sample_rate
;
65 psong
->channels
= block
->data
.stream_info
.channels
;
68 case FLAC__METADATA_TYPE_VORBIS_COMMENT
:
69 for(i
= 0; i
< block
->data
.vorbis_comment
.num_comments
; i
++)
72 (char*)block
->data
.vorbis_comment
.comments
[i
].entry
,
73 block
->data
.vorbis_comment
.comments
[i
].length
);
76 #if FLAC_API_VERSION_CURRENT >= 10
77 case FLAC__METADATA_TYPE_PICTURE
:
78 psong
->image_size
= block
->data
.picture
.data_length
;
79 if((psong
->image
= malloc(psong
->image_size
)))
80 memcpy(psong
->image
, block
->data
.picture
.data
, psong
->image_size
);
82 DPRINTF(E_ERROR
, L_SCANNER
, "Out of memory [%s]\n", filename
);
88 FLAC__metadata_object_delete(block
);
90 while(FLAC__metadata_simple_iterator_next(iterator
));
94 FLAC__metadata_simple_iterator_delete(iterator
);
100 _get_flcfileinfo(char *filename
, struct song_metadata
*psong
)
103 psong
->vbr_scale
= 1;