48 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			48 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * This file is part of FFmpeg. | ||
|  |  * | ||
|  |  * FFmpeg is free software; you can redistribute it and/or | ||
|  |  * modify it under the terms of the GNU Lesser General Public | ||
|  |  * License as published by the Free Software Foundation; either | ||
|  |  * version 2.1 of the License, or (at your option) any later version. | ||
|  |  * | ||
|  |  * FFmpeg is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | ||
|  |  * Lesser General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU Lesser General Public | ||
|  |  * License along with FFmpeg; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
|  |  */ | ||
|  | 
 | ||
|  | #include "config.h"
 | ||
|  | #include "libswscale/swscale.h"
 | ||
|  | #include "libswscale/swscale_internal.h"
 | ||
|  | #include "libavutil/aarch64/cpu.h"
 | ||
|  | 
 | ||
|  | void ff_hscale_8_to_15_neon(SwsContext *c, int16_t *dst, int dstW, | ||
|  |                             const uint8_t *src, const int16_t *filter, | ||
|  |                             const int32_t *filterPos, int filterSize); | ||
|  | 
 | ||
|  | void ff_yuv2planeX_8_neon(const int16_t *filter, int filterSize, | ||
|  |                           const int16_t **src, uint8_t *dest, int dstW, | ||
|  |                           const uint8_t *dither, int offset); | ||
|  | 
 | ||
|  | av_cold void ff_sws_init_swscale_aarch64(SwsContext *c) | ||
|  | { | ||
|  |     int cpu_flags = av_get_cpu_flags(); | ||
|  | 
 | ||
|  |     if (have_neon(cpu_flags)) { | ||
|  |         if (c->srcBpc == 8 && c->dstBpc <= 14 && | ||
|  |             (c->hLumFilterSize % 8) == 0 && | ||
|  |             (c->hChrFilterSize % 8) == 0) | ||
|  |         { | ||
|  |             c->hyScale = c->hcScale = ff_hscale_8_to_15_neon; | ||
|  |         } | ||
|  |         if (c->dstBpc == 8) { | ||
|  |             c->yuv2planeX = ff_yuv2planeX_8_neon; | ||
|  |         } | ||
|  |     } | ||
|  | } |