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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
*
* EBML parser
* a lot of ideas from the gstreamer parser
*
* $Id: ebml.h,v 1.1 2004/01/05 00:40:54 tmattern Exp $
*
*/
#ifndef EBML_H
#define EBML_H
#define EBML_STACK_SIZE 10
#define EBML_VERSION 1
/* EBML IDs */
#define EBML_ID_EBML 0x1A45DFA3
#define EBML_ID_EBMLVERSION 0x4286
#define EBML_ID_EBMLREADVERSION 0x42F7
#define EBML_ID_EBMLMAXIDLENGTH 0x42F2
#define EBML_ID_EBMLMAXSIZELENGTH 0x42F3
#define EBML_ID_DOCTYPE 0x4282
#define EBML_ID_DOCTYPEVERSION 0x4287
#define EBML_ID_DOCTYPEREADVERSION 0x4285
typedef struct ebml_elem_s {
uint32_t id;
off_t start;
uint64_t len;
} ebml_elem_t;
typedef struct ebml_parser_s {
/* xine stuff */
xine_t *xine;
input_plugin_t *input;
/* EBML Parser Stack Management */
ebml_elem_t elem_stack[EBML_STACK_SIZE];
int level;
/* EBML Header Infos */
uint64_t version;
uint64_t read_version;
uint64_t max_id_len;
uint64_t max_size_len;
char *doctype;
uint64_t doctype_version;
uint64_t doctype_read_version;
} ebml_parser_t;
ebml_parser_t *new_ebml_parser (xine_t *xine, input_plugin_t *input);
void dispose_ebml_parser (ebml_parser_t *ebml);
/* check EBML header */
int ebml_check_header(ebml_parser_t *read);
/* Element Header */
int ebml_read_elem_head(ebml_parser_t *ebml, ebml_elem_t *elem);
uint32_t ebml_get_next_level(ebml_parser_t *ebml, ebml_elem_t *elem);
int ebml_skip(ebml_parser_t *ebml, ebml_elem_t *elem);
/* EBML types */
int ebml_read_uint(ebml_parser_t *ebml, ebml_elem_t *elem, uint64_t *val);
int ebml_read_sint(ebml_parser_t *ebml, ebml_elem_t *elem, int64_t *val);
int ebml_read_float(ebml_parser_t *ebml, ebml_elem_t *elem, double *val);
int ebml_read_ascii(ebml_parser_t *ebml, ebml_elem_t *elem, char *str);
int ebml_read_utf8(ebml_parser_t *ebml, ebml_elem_t *elem, char *str);
int ebml_read_date(ebml_parser_t *ebml, ebml_elem_t *elem, int64_t *date);
int ebml_read_master(ebml_parser_t *ebml, ebml_elem_t *elem);
int ebml_read_binary(ebml_parser_t *ebml, ebml_elem_t *elem, uint8_t *binary);
#endif /* EBML_H */
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