www.pudn.com > avi 到 mpeg 的转换程序及源代码.zip > INTERACT.C

/************************************************************************* 
*  mplex - MPEG/SYSTEMS multiplexer					 * 
*  Copyright (C) 1994 1995 Christoph Moar				 * 
*  Siemens ZFE ST SN 11 / T SN 6					 * 
*									 * 
*  moar@informatik.tu-muenchen.de 					 * 
*       (Christoph Moar)			 			 * 
*  klee@heaven.zfe.siemens.de						 * 
*       (Christian Kleegrewe, Siemens only requests)			 * 
*									 * 
*  This program 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.					 * 
*									 * 
*  This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.		 * 
*************************************************************************/ 
/* 
 * 4/4/97 - John Schlichther 
 * 
 * extensively altered to create avi2mpg1 - avi to mpeg-1 encoder 
 * 
 * Since avi file, and the avi subsystem are platform dependant, cross 
 * platform compatibility removed, many optional features disabled or 
 * removed, code generally trimmed to a minimum. 
 * 
 */ 
#include  
#include  
 
#include  
#include  
 
#include "global.h" 
#include "mplex.h" 
/************************************************************************* 
    File vorhanden? 
 
    File found? 
*************************************************************************/ 
 
int open_file(name, bytes)			 
char *name; 
unsigned int *bytes;				 
{ 
    FILE* datei; 
 
    datei=fopen (name, "rwb"); 
    if (datei==NULL) 
    {	 
	printf("File %s not found.\n", name); 
	return (TRUE); 
    } 
    fseek (datei, 0, 2); 
    *bytes = ftell(datei); 
    fclose(datei); 
    return (FALSE); 
} 
 
 
/************************************************************************* 
	ask_continue 
	Nach Anzeige der Streaminformationen Abfrage, ob weiter 
	gearbeitet werden soll. 
 
	After displaying Stream informations there is a check, wether 
	we should continue computing or not. 
*************************************************************************/ 
 
void ask_continue () 
{ 
    char input[20]; 
 
    printf ("\nContinue processing (y/n) : "); 
    do gets (input); 
    while (input[0]!='N'&&input[0]!='n'&&input[0]!='y'&&input[0]!='Y'); 
 
    if (input[0]=='N' || input[0]=='n') 
    { 
	printf ("\nStop processing.\n\n"); 
	exit (0); 
 
    } 
 
} 
 
/************************************************************************* 
	ask_verbose 
	Soll die letzte, MPEG/SYSTEM Tabelle vollstaendig ausgegeben 
	werden? 
 
	Should we print the MPEG/SYSTEM table very verbose or not? 
*************************************************************************/ 
 
unsigned char ask_verbose () 
{ 
    char input[20]; 
 
    printf ("\nVery verbose mode (y/n) : "); 
    do gets (input); 
    while (input[0]!='N'&&input[0]!='n'&&input[0]!='y'&&input[0]!='Y'); 
 
    if (input[0]=='N' || input[0]=='n') return (FALSE); else return (TRUE); 
} 
 
/****************************************************************** 
	Status_Info 
	druckt eine Statuszeile waehrend des Multiplexens aus. 
 
	prints a status line during multiplexing 
******************************************************************/ 
 
void status_info (nsectors_a, nsectors_v, nsectors_p, nbytes,  
		  buf_v, buf_a,verbose) 
unsigned int nsectors_a; 
unsigned int nsectors_v; 
unsigned int nsectors_p; 
unsigned int nbytes; 
unsigned int buf_v; 
unsigned int buf_a; 
unsigned char verbose; 
{ 
    printf ("| %7d | %7d |",nsectors_a,nsectors_v); 
    printf (" %7d | %11d |",nsectors_p,nbytes); 
    printf (" %6d | %6d |",buf_a,buf_v); 
    printf ((verbose?"\n":"\r")); 
    fflush (stdout); 
} 
 
void status_header () 
{ 
    status_footer(); 
    printf("|  Audio  |  Video  | Padding | Bytes  MPEG | Audio  | Video  |\n"); 
    printf("| Sectors | Sectors | Sectors | System File | Buffer | Buffer |\n"); 
    status_footer(); 
} 
 
 
void status_message (what) 
unsigned char what; 
{ 
  switch (what) 
  { 
  case STATUS_AUDIO_END: 
  //printf("\n|file  end|         |         |             |        |        |\n"); 
	  audio_end_early++; 
  break; 
  case STATUS_AUDIO_TIME_OUT: 
  //printf("\n|time  out|         |         |             |        |        |\n"); 
	  audio_time_out++; 
  break; 
  case STATUS_VIDEO_END: 
  //printf("\n|         |file  end|         |             |        |        |\n"); 
	  video_end_early++; 
  break; 
  case STATUS_VIDEO_TIME_OUT: 
  //printf("\n|         |time  out|         |             |        |        |\n"); 
	  video_time_out++; 
  break; 
  default: 
	  fprintf(stderr, "\nInvalid mplex status message\n"); 
  } 
} 
 
void status_footer () 
{ 
  printf("+---------+---------+---------+-------------+--------+--------+\n"); 
}