//=========================================================================
// 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

static int
_get_flctags(char *filename, struct song_metadata *psong)
{
  FLAC__Metadata_SimpleIterator *iterator = 0;
  FLAC__StreamMetadata *block;
  int block_number;
  int i;
  int err = 0;

  if (!(iterator = FLAC__metadata_simple_iterator_new())) {
    DPRINTF(E_FATAL, L_SCAN, "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_SCAN, "Cannot extract tag from %s\n", filename);
    return -1;
  }

  do {
    if (!(block = FLAC__metadata_simple_iterator_get_block(iterator))) {
      DPRINTF(E_ERROR, L_SCAN, "Cannot extract tag from %s\n", filename);
      err = -1;
      goto _exit;
    }

    switch (block->type) {
    case FLAC__METADATA_TYPE_STREAMINFO:
      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;
    case FLAC__METADATA_TYPE_PICTURE:
      psong->image_size = block->data.picture.data_length;
      psong->image = malloc(psong->image_size);
      memcpy(psong->image, block->data.picture.data, psong->image_size);
      break;
    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;
}