libavformat/id3v2.h

   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
  28 #define ID3v2_HEADER_SIZE 10
  29
  30 /**
  31  * Detects ID3v2 Header.
  32  * @buf must be ID3v2_HEADER_SIZE byte long
  33  */
  34 int ff_id3v2_match(const uint8_t *buf);
  35
  36 /**
  37  * Gets the length of an ID3v2 tag.
  38  * @buf must be ID3v2_HEADER_SIZE bytes long and point to the start of an
  39  * already detected ID3v2 tag
  40  */
  41 int ff_id3v2_tag_len(const uint8_t *buf);
  42
  43 /**
  44  * ID3v2 parser
  45  * Handles ID3v2.2, 2.3 and 2.4.
  46  */
  47 void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags);
  48
  49 /**
  50  * Read an ID3v2 tag
  51  */
  52 void ff_id3v2_read(AVFormatContext *s);
  53
  54 #endif /* AVFORMAT_ID3V2_H */