33 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			33 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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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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								#include "libavutil/attributes.h"
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								#include "libavutil/cpu.h"
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								#include "libavutil/aarch64/cpu.h"
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								#include "libavcodec/videodsp.h"
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								void ff_prefetch_aarch64(uint8_t *mem, ptrdiff_t stride, int h);
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								av_cold void ff_videodsp_init_aarch64(VideoDSPContext *ctx, int bpc)
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								{
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								    int cpu_flags = av_get_cpu_flags();
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								    if (have_armv8(cpu_flags))
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								        ctx->prefetch = ff_prefetch_aarch64;
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								}
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