60 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * ARM NEON optimised Float DSP functions
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|  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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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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| 
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| #include <stdint.h>
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| 
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| #include "libavutil/attributes.h"
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| #include "libavutil/float_dsp.h"
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| #include "float_dsp_arm.h"
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| 
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| void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1, int len);
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| 
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| void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
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|                                 int len);
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| 
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| void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
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|                                 int len);
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| 
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| void ff_vector_fmul_window_neon(float *dst, const float *src0,
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|                                 const float *src1, const float *win, int len);
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| 
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| void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
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|                              const float *src2, int len);
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| 
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| void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
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|                                  const float *src1, int len);
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| 
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| void ff_butterflies_float_neon(float *v1, float *v2, int len);
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| 
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| float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
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| 
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| av_cold void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp)
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| {
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|     fdsp->vector_fmul = ff_vector_fmul_neon;
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|     fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
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|     fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
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|     fdsp->vector_fmul_window = ff_vector_fmul_window_neon;
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|     fdsp->vector_fmul_add    = ff_vector_fmul_add_neon;
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|     fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
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|     fdsp->butterflies_float = ff_butterflies_float_neon;
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|     fdsp->scalarproduct_float = ff_scalarproduct_float_neon;
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| }
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