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			131 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* 
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 *  sanity_check.c
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 *
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 *	Copyright (C) Aaron Holtzman - May 1999
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 *
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 *  This file is part of ac3dec, a free Dolby AC-3 stream decoder.
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 *	
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 *  ac3dec is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2, or (at your option)
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 *  any later version.
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 *   
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 *  ac3dec is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *   
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 *  You should have received a copy of the GNU General Public License
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 *  along with GNU Make; see the file COPYING.  If not, write to
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 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
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 *
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 */
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#include <stdlib.h>
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#include <stdio.h>
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#include "ac3.h"
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#include "ac3_internal.h"
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#include "sanity_check.h"
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void 
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sanity_check_init(syncinfo_t *syncinfo, bsi_t *bsi, audblk_t *audblk)
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{
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	syncinfo->magic = AC3_MAGIC_NUMBER;
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	bsi->magic = AC3_MAGIC_NUMBER;
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	audblk->magic1 = AC3_MAGIC_NUMBER;
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	audblk->magic2 = AC3_MAGIC_NUMBER;
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	audblk->magic3 = AC3_MAGIC_NUMBER;
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}
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void 
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sanity_check(syncinfo_t *syncinfo, bsi_t *bsi, audblk_t *audblk)
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{
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	int i;
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	if(syncinfo->magic != AC3_MAGIC_NUMBER)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- syncinfo magic number **");
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		error_flag = 1;
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	}
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	if(bsi->magic != AC3_MAGIC_NUMBER)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- bsi magic number **");
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		error_flag = 1;
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	}
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	if(audblk->magic1 != AC3_MAGIC_NUMBER)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- audblk magic number 1 **"); 
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		error_flag = 1;
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	}
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	if(audblk->magic2 != AC3_MAGIC_NUMBER)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- audblk magic number 2 **"); 
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		error_flag = 1;
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	}
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	if(audblk->magic3 != AC3_MAGIC_NUMBER)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- audblk magic number 3 **"); 
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		error_flag = 1;
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	}
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	for(i = 0;i < 5 ; i++)
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	{
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		if (audblk->fbw_exp[i][255] !=0 || audblk->fbw_exp[i][254] !=0 || 
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				audblk->fbw_exp[i][253] !=0)
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		{
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			fprintf(stderr,"\n** Sanity check failed -- fbw_exp out of bounds **"); 
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			error_flag = 1;
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		}
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		if (audblk->fbw_bap[i][255] !=0 || audblk->fbw_bap[i][254] !=0 || 
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				audblk->fbw_bap[i][253] !=0)
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		{
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			fprintf(stderr,"\n** Sanity check failed -- fbw_bap out of bounds **"); 
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			error_flag = 1;
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		}
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	}
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	if (audblk->cpl_exp[255] !=0 || audblk->cpl_exp[254] !=0 || 
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			audblk->cpl_exp[253] !=0)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- cpl_exp out of bounds **"); 
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		error_flag = 1;
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	}
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	if (audblk->cpl_bap[255] !=0 || audblk->cpl_bap[254] !=0 || 
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			audblk->cpl_bap[253] !=0)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- cpl_bap out of bounds **"); 
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		error_flag = 1;
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	}
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	if (audblk->cplmant[255] !=0 || audblk->cplmant[254] !=0 || 
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			audblk->cplmant[253] !=0)
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	{
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		fprintf(stderr,"\n** Sanity check failed -- cpl_mant out of bounds **"); 
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		error_flag = 1;
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	}
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	if ((audblk->cplinu == 1) && (audblk->cplbegf > (audblk->cplendf+2)))
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	{
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		fprintf(stderr,"\n** Sanity check failed -- cpl params inconsistent **"); 
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		error_flag = 1;
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	}
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	for(i=0; i < bsi->nfchans; i++)
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	{
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		if((audblk->chincpl[i] == 0) && (audblk->chbwcod[i] > 60))
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		{
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			fprintf(stderr,"\n** Sanity check failed -- chbwcod too big **"); 
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			error_flag = 1;
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		}
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	}
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	return;
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}	
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