94 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			94 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> | ||
|  |  * | ||
|  |  * 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 <stdint.h>
 | ||
|  | 
 | ||
|  | #include "libavutil/attributes.h"
 | ||
|  | #include "libavutil/aarch64/cpu.h"
 | ||
|  | #include "libavcodec/avcodec.h"
 | ||
|  | #include "libavcodec/h264pred.h"
 | ||
|  | 
 | ||
|  | void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | 
 | ||
|  | void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride); | ||
|  | 
 | ||
|  | static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id, | ||
|  |                                         const int bit_depth, | ||
|  |                                         const int chroma_format_idc) | ||
|  | { | ||
|  |     const int high_depth = bit_depth > 8; | ||
|  | 
 | ||
|  |     if (high_depth) | ||
|  |         return; | ||
|  | 
 | ||
|  |     if (chroma_format_idc <= 1) { | ||
|  |         h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon; | ||
|  |         h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon; | ||
|  |         if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) | ||
|  |             h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon; | ||
|  |         h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon; | ||
|  |         if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 && | ||
|  |             codec_id != AV_CODEC_ID_VP8) { | ||
|  |             h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon; | ||
|  |             h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon; | ||
|  |             h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon; | ||
|  |             h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon; | ||
|  |             h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon; | ||
|  |             h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon; | ||
|  |             h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon; | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  |     h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon; | ||
|  |     h->pred16x16[VERT_PRED8x8   ] = ff_pred16x16_vert_neon; | ||
|  |     h->pred16x16[HOR_PRED8x8    ] = ff_pred16x16_hor_neon; | ||
|  |     h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon; | ||
|  |     h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon; | ||
|  |     h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon; | ||
|  |     if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 && | ||
|  |         codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) | ||
|  |         h->pred16x16[PLANE_PRED8x8  ] = ff_pred16x16_plane_neon; | ||
|  | } | ||
|  | 
 | ||
|  | av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id, | ||
|  |                                        int bit_depth, const int chroma_format_idc) | ||
|  | { | ||
|  |     int cpu_flags = av_get_cpu_flags(); | ||
|  | 
 | ||
|  |     if (have_neon(cpu_flags)) | ||
|  |         h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc); | ||
|  | } |