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/*
* Copyright (C) 2003-2012 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "ffmpeg_metadata.h"
#include "tag_table.h"
#include "tag_handler.h"
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "ffmpeg"
static const struct tag_table ffmpeg_tags[] = {
#if LIBAVFORMAT_VERSION_INT < ((52<<16)+(50<<8))
{ "author", TAG_ARTIST },
{ "year", TAG_DATE },
#endif
{ "author-sort", TAG_ARTIST_SORT },
{ "album_artist", TAG_ALBUM_ARTIST },
{ "album_artist-sort", TAG_ALBUM_ARTIST_SORT },
/* sentinel */
{ NULL, TAG_NUM_OF_ITEM_TYPES }
};
static void
ffmpeg_copy_metadata(enum tag_type type,
AVDictionary *m, const char *name,
const struct tag_handler *handler, void *handler_ctx)
{
AVDictionaryEntry *mt = NULL;
while ((mt = av_dict_get(m, name, mt, 0)) != NULL)
tag_handler_invoke_tag(handler, handler_ctx,
type, mt->value);
}
#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(51,5,0)
static void
ffmpeg_scan_pairs(AVDictionary *dict,
const struct tag_handler *handler, void *handler_ctx)
{
AVDictionaryEntry *i = NULL;
while ((i = av_dict_get(dict, "", i, AV_DICT_IGNORE_SUFFIX)) != NULL)
tag_handler_invoke_pair(handler, handler_ctx,
i->key, i->value);
}
#endif
void
ffmpeg_scan_dictionary(AVDictionary *dict,
const struct tag_handler *handler, void *handler_ctx)
{
for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
ffmpeg_copy_metadata(i, dict, tag_item_names[i],
handler, handler_ctx);
for (const struct tag_table *i = ffmpeg_tags;
i->name != NULL; ++i)
ffmpeg_copy_metadata(i->type, dict, i->name,
handler, handler_ctx);
#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(51,5,0)
if (handler->pair != NULL)
ffmpeg_scan_pairs(dict, handler, handler_ctx);
#endif
}
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