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 #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  */
  35 int 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  */
  42 int ff_id3v2_tag_len(const uint8_t *buf);
  43
  44 /**
  45  * ID3v2 parser
  46  * Handles ID3v2.2, 2.3 and 2.4.
  47  */
  48 void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags);
  49
  50 /**
  51  * Read an ID3v2 tag
  52  */
  53 void ff_id3v2_read(AVFormatContext *s);
  54
  55 extern 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  */
  61 extern const char ff_id3v2_tags[][4];
  62
  63 #endif /* AVFORMAT_ID3V2_H */