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115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
//=========================================================================
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// FILENAME : tagutils-flc.c
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// DESCRIPTION : FLAC metadata reader
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//=========================================================================
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// Copyright (c) 2008- NETGEAR, Inc. All Rights Reserved.
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//=========================================================================
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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static int
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_get_flctags(char *filename, struct song_metadata *psong)
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{
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FLAC__Metadata_SimpleIterator *iterator = 0;
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FLAC__StreamMetadata *block;
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unsigned int sec, ms;
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int i;
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int err = 0;
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if(!(iterator = FLAC__metadata_simple_iterator_new()))
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{
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DPRINTF(E_FATAL, L_SCANNER, "Out of memory while FLAC__metadata_simple_iterator_new()\n");
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return -1;
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}
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if(!FLAC__metadata_simple_iterator_init(iterator, filename, true, true))
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{
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DPRINTF(E_ERROR, L_SCANNER, "Cannot extract tag from %s [%s]\n", filename,
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FLAC__Metadata_SimpleIteratorStatusString[FLAC__metadata_simple_iterator_status(iterator)]);
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goto _exit;
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}
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do {
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if(!(block = FLAC__metadata_simple_iterator_get_block(iterator)))
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{
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DPRINTF(E_ERROR, L_SCANNER, "Cannot extract tag from %s\n", filename);
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err = -1;
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goto _exit;
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}
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switch(block->type)
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{
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case FLAC__METADATA_TYPE_STREAMINFO:
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if (!block->data.stream_info.sample_rate)
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break; /* Info is crap, avoid div-by-zero. */
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sec = (unsigned int)(block->data.stream_info.total_samples /
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block->data.stream_info.sample_rate);
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ms = (unsigned int)(((block->data.stream_info.total_samples %
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block->data.stream_info.sample_rate) * 1000) /
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block->data.stream_info.sample_rate);
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if ((sec == 0) && (ms == 0))
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break; /* Info is crap, escape div-by-zero. */
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psong->song_length = (sec * 1000) + ms;
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psong->bitrate = (((uint64_t)(psong->file_size) * 1000) / (psong->song_length / 8));
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psong->samplerate = block->data.stream_info.sample_rate;
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psong->samplesize = block->data.stream_info.bits_per_sample;
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psong->channels = block->data.stream_info.channels;
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break;
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case FLAC__METADATA_TYPE_VORBIS_COMMENT:
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for(i = 0; i < block->data.vorbis_comment.num_comments; i++)
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{
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vc_scan(psong,
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(char*)block->data.vorbis_comment.comments[i].entry,
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block->data.vorbis_comment.comments[i].length);
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}
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break;
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#if FLAC_API_VERSION_CURRENT >= 10
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case FLAC__METADATA_TYPE_PICTURE:
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if (psong->image) {
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DPRINTF(E_MAXDEBUG, L_SCANNER, "Ignoring additional image [%s]\n", filename);
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break;
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}
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psong->image_size = block->data.picture.data_length;
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if((psong->image = malloc(psong->image_size)))
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memcpy(psong->image, block->data.picture.data, psong->image_size);
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else
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DPRINTF(E_ERROR, L_SCANNER, "Out of memory [%s]\n", filename);
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break;
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#endif
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default:
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break;
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}
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FLAC__metadata_object_delete(block);
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}
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while(FLAC__metadata_simple_iterator_next(iterator));
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_exit:
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if(iterator)
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FLAC__metadata_simple_iterator_delete(iterator);
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return err;
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}
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static int
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_get_flcfileinfo(char *filename, struct song_metadata *psong)
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{
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psong->lossless = 1;
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psong->vbr_scale = 1;
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return 0;
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}
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