47 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*
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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/cpu.h"
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| #include "libavutil/aarch64/cpu.h"
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| #include "libavcodec/avcodec.h"
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| #include "libavcodec/pixblockdsp.h"
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| 
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| void ff_get_pixels_neon(int16_t *block, const uint8_t *pixels,
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|                         ptrdiff_t stride);
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| void ff_diff_pixels_neon(int16_t *block, const uint8_t *s1,
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|                          const uint8_t *s2, ptrdiff_t stride);
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| 
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| av_cold void ff_pixblockdsp_init_aarch64(PixblockDSPContext *c,
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|                                          AVCodecContext *avctx,
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|                                          unsigned high_bit_depth)
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| {
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|     int cpu_flags = av_get_cpu_flags();
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| 
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|     if (have_neon(cpu_flags)) {
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|         if (!high_bit_depth) {
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|             c->get_pixels_unaligned =
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|             c->get_pixels = ff_get_pixels_neon;
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|         }
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|         c->diff_pixels_unaligned =
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|         c->diff_pixels = ff_diff_pixels_neon;
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|     }
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| }
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