aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* APE tag handling
* Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
* based upon libdemac from Dave Chapman.
*
* 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_APETAG_H
#define AVFORMAT_APETAG_H
#include "avformat.h"
#define APE_TAG_PREAMBLE "APETAGEX"
#define APE_TAG_VERSION 2000
#define APE_TAG_FOOTER_BYTES 32
#define APE_TAG_HEADER_BYTES 32
/**
* Read and parse an APE tag
*
* @return offset of the tag start in the file
*/
int64_t ff_ape_parse_tag(AVFormatContext *s);
/**
* Write an APE tag into a file.
*/
int ff_ape_write_tag(AVFormatContext *s);
#endif /* AVFORMAT_APETAG_H */
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