mpeg_system.h

目前的流媒体服务器代码有Darwin(苹果公司）

/* * 
 *  $Id$
 *  
 *  This file is part of Fenice
 *
 *  Fenice -- Open Media Server
 *
 *  Copyright (C) 2007 by
 *  	
 *	- Giampaolo Mancini	<[e-mail]>
 *	- Francesco Varano	<[e-mail]>
 *	- Marco Penno		<[e-mail]>
 *	- Federico Ridolfo	<[e-mail]>
 *	- Eugenio Menegatti 	<[e-mail]>
 *	- Stefano Cau
 *	- Giuliano Emma
 *	- Stefano Oldrini
 * 
 *  Fenice 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.
 *
 *  Fenice 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 Fenice; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *  
 * */


#ifndef _MPEG_SYSTEMH
#define _MPEG_SYSTEMH

#include <fenice/types.h>
#include <fenice/mediainfo.h>

typedef struct {
	unsigned int msb;
	unsigned int scr;
} SCR;


typedef struct {
	unsigned int msb;
	unsigned int pts;
} PTS;

typedef struct {
	unsigned char final_byte;
	PTS pts;
	PTS next_pts;
	PTS dts;
	PTS next_dts;
	PTS pts_audio;
	SCR scr;
	unsigned int data_total;
	int offset_flag;
	int offset;
	int new_dts;
} static_MPEG_system;

	/* reads pack header */
int read_pack_head(uint8 *, uint32 * e, int fin, unsigned char *final_byte,
		   SCR * scr);
	/* reads packet header */
int read_packet_head(uint8 *, uint32 *, int fin, unsigned char *final_byte,
		     int *time_set, PTS * pts, PTS * dts, int *dts_present,
		     PTS * pts_audio);
	/* reads a packet */
int read_packet(uint8 *, uint32 *, int fin, unsigned char *final_byte);

	/*TODO: load_MPEGSYSTEM */
int read_MPEG_system(media_entry * me, uint8 * buffer, uint32 * buffer_size,
		     double *mtime, int *recallme, uint8 * marker);


#endif