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/*
* Copyright (C) 2001-2004 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
*
* Simple MPEG-ES parser/framer by Thibaut Mattern (tmattern@noos.fr)
* based on libmpeg2 decoder.
*
* $Id: mpeg_parser.h,v 1.1 2004/07/18 00:50:02 tmattern Exp $
*/
#include <inttypes.h>
#define BUFFER_SIZE (1194 * 1024) /* libmpeg2's buffer size */
/* picture coding type (mpeg2 header) */
#define I_TYPE 1
#define P_TYPE 2
#define B_TYPE 3
#define D_TYPE 4
typedef struct mpeg_parser_s {
uint32_t shift;
int is_sequence_needed;
uint8_t chunk_buffer[BUFFER_SIZE];
uint8_t *chunk_ptr;
uint8_t *chunk_start;
int buffer_size;
uint8_t code;
uint8_t picture_coding_type;
int rate_code;
int aspect_ratio_info;
int in_slice;
/* public properties */
int is_mpeg1;
int has_sequence;
int width;
int height;
int frame_duration;
double frame_aspect_ratio;
} mpeg_parser_t;
/* parser initialization */
void mpeg_parser_init (mpeg_parser_t *parser);
/* read a frame
* return a pointer to the first byte of the next frame
* or NULL if more bytes are needed
* *flush is set to 1 if the decoder must be flushed (needed for still menus)
*/
uint8_t *mpeg_parser_decode_data (mpeg_parser_t *parser,
uint8_t *current, uint8_t *end,
int *flush);
/* reset the parser */
void mpeg_parser_reset (mpeg_parser_t *parser);
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