FFmpeg/libavformat/avlanguage.h

/*
 * Cyril Comparon, Larbi Joubala, Resonate-MP4 2009
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFORMAT_AVLANGUAGE_H
#define AVFORMAT_AVLANGUAGE_H

/**
 * Known language codespaces
 */
enum AVLangCodespace {
    AV_LANG_ISO639_2_BIBL, /** 3-char bibliographic language codes as per ISO-IEC 639-2 */
    AV_LANG_ISO639_2_TERM, /** 3-char terminologic language codes as per ISO-IEC 639-2 */
    AV_LANG_ISO639_1       /** 2-char code of language as per ISO/IEC 639-1 */
};

/**
 * Convert a language code to a target codespace. The source codespace is guessed.
 * @return NULL if the provided lang is null or invalid.
 */
const char *av_convert_lang_to(const char *lang, enum AVLangCodespace target_codespace);

#endif /* AVFORMAT_AVLANGUAGE_H */