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			73 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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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| /**
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|  * @file
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|  * Scene SAD functions
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|  */
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| 
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| #include "scene_sad.h"
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| 
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| void ff_scene_sad16_c(SCENE_SAD_PARAMS)
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| {
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|     uint64_t sad = 0;
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|     const uint16_t *src1w = (const uint16_t *)src1;
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|     const uint16_t *src2w = (const uint16_t *)src2;
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|     int x, y;
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| 
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|     stride1 /= 2;
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|     stride2 /= 2;
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| 
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|     for (y = 0; y < height; y++) {
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|         for (x = 0; x < width; x++)
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|             sad += FFABS(src1w[x] - src2w[x]);
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|         src1w += stride1;
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|         src2w += stride2;
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|     }
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|     *sum = sad;
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| }
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| 
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| void ff_scene_sad_c(SCENE_SAD_PARAMS)
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| {
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|     uint64_t sad = 0;
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|     int x, y;
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| 
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|     for (y = 0; y < height; y++) {
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|         for (x = 0; x < width; x++)
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|             sad += FFABS(src1[x] - src2[x]);
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|         src1 += stride1;
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|         src2 += stride2;
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|     }
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|     *sum = sad;
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| }
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| 
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| ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
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| {
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|     ff_scene_sad_fn sad = NULL;
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|     if (ARCH_X86)
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|         sad = ff_scene_sad_get_fn_x86(depth);
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|     if (!sad) {
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|         if (depth == 8)
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|             sad = ff_scene_sad_c;
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|         if (depth == 16)
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|             sad = ff_scene_sad16_c;
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|     }
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|     return sad;
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| }
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| 
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