[8e0fcd]: tagutils / tagutils-flc.c  Maximize  Restore  History

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//=========================================================================
// FILENAME : tagutils-flc.c
// DESCRIPTION : FLAC metadata reader
//=========================================================================
// Copyright (c) 2008- NETGEAR, Inc. All Rights Reserved.
//=========================================================================
/*
* 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, see <http://www.gnu.org/licenses/>.
*/
static int
_get_flctags(char *filename, struct song_metadata *psong)
{
FLAC__Metadata_SimpleIterator *iterator = 0;
FLAC__StreamMetadata *block;
int block_number;
unsigned int sec, ms;
int i;
int err = 0;
if(!(iterator = FLAC__metadata_simple_iterator_new()))
{
DPRINTF(E_FATAL, L_SCANNER, "Out of memory while FLAC__metadata_simple_iterator_new()\n");
return -1;
}
block_number = 0;
if(!FLAC__metadata_simple_iterator_init(iterator, filename, true, true))
{
DPRINTF(E_ERROR, L_SCANNER, "Cannot extract tag from %s\n", filename);
return -1;
}
do {
if(!(block = FLAC__metadata_simple_iterator_get_block(iterator)))
{
DPRINTF(E_ERROR, L_SCANNER, "Cannot extract tag from %s\n", filename);
err = -1;
goto _exit;
}
switch(block->type)
{
case FLAC__METADATA_TYPE_STREAMINFO:
sec = (unsigned int)(block->data.stream_info.total_samples /
block->data.stream_info.sample_rate);
ms = (unsigned int)(((block->data.stream_info.total_samples %
block->data.stream_info.sample_rate) * 1000) /
block->data.stream_info.sample_rate);
if ((sec == 0) && (ms == 0))
break; /* Info is crap, escape div-by-zero. */
psong->song_length = (sec * 1000) + ms;
psong->bitrate = (((uint64_t)(psong->file_size) * 1000) / (psong->song_length / 8));
psong->samplerate = block->data.stream_info.sample_rate;
psong->channels = block->data.stream_info.channels;
break;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
for(i = 0; i < block->data.vorbis_comment.num_comments; i++)
{
vc_scan(psong,
(char*)block->data.vorbis_comment.comments[i].entry,
block->data.vorbis_comment.comments[i].length);
}
break;
#if FLAC_API_VERSION_CURRENT >= 10
case FLAC__METADATA_TYPE_PICTURE:
psong->image_size = block->data.picture.data_length;
if((psong->image = malloc(psong->image_size)))
memcpy(psong->image, block->data.picture.data, psong->image_size);
else
DPRINTF(E_ERROR, L_SCANNER, "Out of memory [%s]\n", filename);
break;
#endif
default:
break;
}
FLAC__metadata_object_delete(block);
}
while(FLAC__metadata_simple_iterator_next(iterator));
_exit:
if(iterator)
FLAC__metadata_simple_iterator_delete(iterator);
return err;
}
static int
_get_flcfileinfo(char *filename, struct song_metadata *psong)
{
psong->lossless = 1;
psong->vbr_scale = 1;
return 0;
}

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