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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/router/ffmpeg/libavformat/
1/*
2 * ID3v2 header parser
3 * Copyright (c) 2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#ifndef AVFORMAT_ID3V2_H
23#define AVFORMAT_ID3V2_H
24
25#include <stdint.h>
26#include "avformat.h"
27#include "metadata.h"
28
29#define ID3v2_HEADER_SIZE 10
30
31/**
32 * Detects ID3v2 Header.
33 * @buf must be ID3v2_HEADER_SIZE byte long
34 */
35int ff_id3v2_match(const uint8_t *buf);
36
37/**
38 * Gets the length of an ID3v2 tag.
39 * @buf must be ID3v2_HEADER_SIZE bytes long and point to the start of an
40 * already detected ID3v2 tag
41 */
42int ff_id3v2_tag_len(const uint8_t *buf);
43
44/**
45 * ID3v2 parser
46 * Handles ID3v2.2, 2.3 and 2.4.
47 */
48void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags);
49
50/**
51 * Read an ID3v2 tag
52 */
53void ff_id3v2_read(AVFormatContext *s);
54
55extern const AVMetadataConv ff_id3v2_metadata_conv[];
56
57/**
58 * A list of ID3v2.4 text information frames.
59 * http://www.id3.org/id3v2.4.0-frames
60 */
61extern const char ff_id3v2_tags[][4];
62
63#endif /* AVFORMAT_ID3V2_H */
64