/* *  *  $Id$ *   *  This file is part of Fenice * *  Fenice -- Open Media Server * *  Copyright (C) 2004 by *  	 *	- Giampaolo Mancini	<giampaolo.mancini@polito.it> *	- Francesco Varano	<francesco.varano@polito.it> *	- Marco Penno		<marco.penno@polito.it> *	- Federico Ridolfo	<federico.ridolfo@polito.it> *	- Eugenio Menegatti 	<m.eu@libero.it> *	- 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 *   * *//* * header file for MPEG1-2 video elementary stream */#ifndef _MPEGH#define _MPEGH	#include <fenice/mediainfo.h>	#include <fenice/types.h>	typedef struct {                                 /* MPEG video specific headers */		unsigned int ffc:3;        	unsigned int ffv:1;        	unsigned int bfc:3;                      /* |MBZ:5|T:1|TR:10|AN:1|N:1|S:1|B:1|E:1|P:3|FBV:1|BFC:3|FFV:1|FFC:3| */        	unsigned int fbv:1;        	unsigned int p:3;        	unsigned int e:1;        	unsigned int b:1;        	unsigned int s:1;        	unsigned int n:1;        	unsigned int an:1;        	unsigned int tr:10;        	unsigned int t:1;        	unsigned int mbz:5;	} video_spec_head1;	typedef struct {		unsigned int d:1;                        /* |X:1|E:1|F[0,0]:4|F[0,1]:4|F[1,0]:4|F[1,1]:4|DC:2|PS:2|T:1|P:1|C:1|Q:1|V:1|A:1|R:1|H:1|G:1|D:1| */        	unsigned int g:1;        	unsigned int h:1;        	unsigned int r:1;        	unsigned int a:1;       	 	unsigned int v:1;        	unsigned int q:1;        	unsigned int c:1;        	unsigned int p:1;        	unsigned int t:1;        	unsigned int ps:2;        	unsigned int dc:2;        	unsigned int f11:4;        	unsigned int f10:4;        	unsigned int f01:4;        	unsigned int f00:4;        	unsigned int e:1;        	unsigned int x:1;	} video_spec_head2;	typedef enum {MPEG_1,MPEG_2,TO_PROBE} standard;	typedef struct {		video_spec_head1 vsh1;		video_spec_head2 vsh2;		unsigned char final_byte;		char temp_ref;		char hours;		char minutes;		char seconds;		char picture;		unsigned long data_total;  		standard std;		int fragmented;		video_spec_head1 vsh1_aux;       				/* without modifying other variables */		video_spec_head2 vsh2_aux;	} static_MPEG_video;	/* reads sequence header */	int read_seq_head(media_entry *me, uint8 *, uint32 *, int fin, unsigned char *final_byte, standard std);	/* reads GOP header */	int read_gop_head(uint8 *, uint32 *, int fin, unsigned char *final_byte, char *hours, char *minutes, char *seconds, char *picture, standard std);	/* reads picture head */	int read_picture_head(uint8 *, uint32 *, int fin, unsigned char *final_byte, char *temp_ref, video_spec_head1* vsh1, standard std);	/* reads a slice */	int read_slice(uint8 *, uint32 *, int fin, char *final_byte);	/* If the sequence_extension occurs immediately */	int probe_standard(media_entry *me, uint8 *, uint32 *,int fin, standard *std);	/* reads picture coding extension */	int read_picture_coding_ext(uint8 *, uint32 *, int fin, unsigned char *final_byte,video_spec_head2* vsh2);	int load_MPV (media_entry *me);	int read_MPEG_video (media_entry *me, uint8 *buffer, uint32 *buffer_size, double *mtime, int *recallme, uint8 *marker);	int free_MPV (void * stat);#endif