80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* necessary because libavutil/common.h uses UINT64_C */
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#define __STDC_CONSTANT_MACROS
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#include "config.h"
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#include "FfmpegMetaData.hxx"
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#include "TagTable.hxx"
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#include "TagHandler.hxx"
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "ffmpeg"
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static const struct tag_table ffmpeg_tags[] = {
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{ "year", TAG_DATE },
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{ "author-sort", TAG_ARTIST_SORT },
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{ "album_artist", TAG_ALBUM_ARTIST },
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{ "album_artist-sort", TAG_ALBUM_ARTIST_SORT },
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/* sentinel */
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{ NULL, TAG_NUM_OF_ITEM_TYPES }
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};
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static void
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ffmpeg_copy_metadata(enum tag_type type,
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AVDictionary *m, const char *name,
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const struct tag_handler *handler, void *handler_ctx)
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{
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AVDictionaryEntry *mt = NULL;
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while ((mt = av_dict_get(m, name, mt, 0)) != NULL)
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tag_handler_invoke_tag(handler, handler_ctx,
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type, mt->value);
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}
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static void
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ffmpeg_scan_pairs(AVDictionary *dict,
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const struct tag_handler *handler, void *handler_ctx)
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{
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AVDictionaryEntry *i = NULL;
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while ((i = av_dict_get(dict, "", i, AV_DICT_IGNORE_SUFFIX)) != NULL)
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tag_handler_invoke_pair(handler, handler_ctx,
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i->key, i->value);
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}
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void
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ffmpeg_scan_dictionary(AVDictionary *dict,
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const struct tag_handler *handler, void *handler_ctx)
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{
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for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
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ffmpeg_copy_metadata(tag_type(i), dict, tag_item_names[i],
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handler, handler_ctx);
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for (const struct tag_table *i = ffmpeg_tags;
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i->name != NULL; ++i)
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ffmpeg_copy_metadata(i->type, dict, i->name,
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handler, handler_ctx);
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if (handler->pair != NULL)
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ffmpeg_scan_pairs(dict, handler, handler_ctx);
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}
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