ff_sine_window_init() is writing to these tables causing a crash if compiled with gcc 8 and lto. Analyzed by Martin Liška in: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85132 Fixes ticket #7491.
		
			
				
	
	
		
			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2008 Robert Swain
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg 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 GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#ifndef AVCODEC_SINEWIN_H
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#define AVCODEC_SINEWIN_H
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#include "config.h"
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#include "libavutil/mem.h"
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#include "libavcodec/aac_defines.h"
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#if CONFIG_HARDCODED_TABLES
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#   define SINETABLE_CONST const
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#else
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#   define SINETABLE_CONST
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#endif
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#ifndef USE_FIXED
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#define USE_FIXED 0
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#endif
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#define SINETABLE(size) \
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    SINETABLE_CONST DECLARE_ALIGNED(32, INTFLOAT, AAC_RENAME(ff_sine_##size))[size]
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#define SINETABLE120960(size) \
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    DECLARE_ALIGNED(32, INTFLOAT, AAC_RENAME(ff_sine_##size))[size]
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/**
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 * Generate a sine window.
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 * @param   window  pointer to half window
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 * @param   n       size of half window
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 */
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void AAC_RENAME(ff_sine_window_init)(INTFLOAT *window, int n);
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/**
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 * initialize the specified entry of ff_sine_windows
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 */
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void AAC_RENAME(ff_init_ff_sine_windows)(int index);
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extern SINETABLE(  32);
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extern SINETABLE(  64);
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extern SINETABLE120960(120);
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extern SINETABLE( 128);
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extern SINETABLE( 256);
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extern SINETABLE( 512);
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extern SINETABLE120960(960);
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extern SINETABLE(1024);
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extern SINETABLE(2048);
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extern SINETABLE(4096);
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extern SINETABLE(8192);
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extern SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[16];
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#endif /* AVCODEC_SINEWIN_H */
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