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/*
* Copyright (C) 2000-2003 the xine project
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* ID3 tag parser
*
* Supported versions: v1, v2.2
* TODO: v2.3, v2.4
*
* $Id: id3.h,v 1.3 2003/12/08 23:20:16 tmattern Exp $
*/
#ifndef ID3_H
#define ID3_H
#include "xine_internal.h"
#include "xineutils.h"
#include "bswap.h"
/* id3v2 */
#define FOURCC_TAG BE_FOURCC
#define ID3V22_TAG FOURCC_TAG('I', 'D', '3', 2) /* id3 v2.2 tags */
#define ID3V23_TAG FOURCC_TAG('I', 'D', '3', 3) /* id3 v2.3 tags */
#define ID3V24_TAG FOURCC_TAG('I', 'D', '3', 4) /* id3 v2.4 tags */
/*
* ID3 v2.2
*/
/* tag header */
#define ID3V22_UNSYNCH_FLAG 0x80
#define ID3V22_COMPRESS_FLAG 0x40
#define ID3V22_ZERO_FLAG 0x3F
/* frame header */
#define ID3V22_FRAME_HEADER_SIZE 6
/*
* ID3 v2.3
*/
/* tag header */
#define ID3V23_UNSYNCH_FLAG 0x80
#define ID3V23_EXT_HEADER_FLAG 0x40
#define ID3V23_EXPERIMENTAL_FLAG 0x20
#define ID3V23_ZERO_FLAG 0x1F
/* frame header */
#define ID3V23_FRAME_HEADER_SIZE 10
#define ID3V23_FRAME_TAG_PRESERV_FLAG 0x8000
#define ID3V23_FRAME_FILE_PRESERV_FLAG 0x4000
#define ID3V23_FRAME_READ_ONLY_FLAG 0x2000
#define ID3V23_FRAME_COMPRESS_FLAG 0x0080
#define ID3V23_FRAME_ENCRYPT_FLAG 0x0040
#define ID3V23_FRAME_GROUP_ID_FLAG 0x0020
#define ID3V23_FRAME_ZERO_FLAG 0x1F1F
/*
* ID3 v2.4
*/
/* tag header */
#define ID3V24_UNSYNCH_FLAG 0x80
#define ID3V24_EXT_HEADER_FLAG 0x40
#define ID3V24_EXPERIMENTAL_FLAG 0x20
#define ID3V24_FOOTER_FLAG 0x10
#define ID3V24_ZERO_FLAG 0x0F
/* frame header */
#define ID3V24_FRAME_HEADER_SIZE 10
#define ID3V24_FRAME_TAG_PRESERV_FLAG 0x4000
#define ID3V24_FRAME_FILE_PRESERV_FLAG 0x2000
#define ID3V24_FRAME_READ_ONLY_FLAG 0x1000
#define ID3V24_FRAME_GROUP_ID_FLAG 0x0040
#define ID3V24_FRAME_COMPRESS_FLAG 0x0008
#define ID3V24_FRAME_ENCRYPT_FLAG 0x0004
#define ID3V24_FRAME_UNSYNCH_FLAG 0x0002
#define ID3V24_FRAME_DATA_LEN_FLAG 0x0001
#define ID3V24_FRAME_ZERO_FLAG 0x8FB0
typedef struct {
uint32_t id;
uint8_t revision;
uint8_t flags;
uint32_t size;
} id3v2_header_t;
typedef struct {
uint32_t id;
uint32_t size;
} id3v22_frame_header_t;
typedef struct {
uint32_t id;
uint32_t size;
uint16_t flags;
} id3v23_frame_header_t;
typedef struct {
uint32_t size;
uint16_t flags;
uint32_t padding_size;
uint32_t crc;
} id3v23_frame_ext_header_t;
typedef struct {
char tag[3];
char title[30];
char artist[30];
char album[30];
char year[4];
char comment[30];
uint8_t genre;
} id3v1_tag_t;
int id3v1_parse_tag (input_plugin_t *input, xine_stream_t *stream);
int id3v22_parse_tag(input_plugin_t *input,
xine_stream_t *stream,
int8_t *mp3_frame_header);
int id3v23_parse_tag(input_plugin_t *input,
xine_stream_t *stream,
int8_t *mp3_frame_header);
#endif /* ID3_H */
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