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	a2ae381b5a
	
	
	
		
			
			* commit '0801853e640624537db386727b36fa97aa6258e7':
  libavcodec: vp8 neon optimizations for aarch64
See 833fed5253
Merged-by: James Almer <jamrial@gmail.com>
		
	
		
			
				
	
	
		
			748 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			748 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (C) 2010 David Conrad
 | |
|  * Copyright (C) 2010 Ronald S. Bultje
 | |
|  * Copyright (C) 2014 Peter Ross
 | |
|  *
 | |
|  * 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
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * @file
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|  * VP8 compatible video decoder
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|  */
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| 
 | |
| #include "libavutil/common.h"
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| #include "libavutil/intreadwrite.h"
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| 
 | |
| #include "mathops.h"
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| #include "vp8dsp.h"
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| 
 | |
| #define MK_IDCT_DC_ADD4_C(name)                                               \
 | |
| static void name ## _idct_dc_add4uv_c(uint8_t *dst, int16_t block[4][16],     \
 | |
|                                       ptrdiff_t stride)                       \
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| {                                                                             \
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|     name ## _idct_dc_add_c(dst + stride * 0 + 0, block[0], stride);           \
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|     name ## _idct_dc_add_c(dst + stride * 0 + 4, block[1], stride);           \
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|     name ## _idct_dc_add_c(dst + stride * 4 + 0, block[2], stride);           \
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|     name ## _idct_dc_add_c(dst + stride * 4 + 4, block[3], stride);           \
 | |
| }                                                                             \
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|                                                                               \
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| static void name ## _idct_dc_add4y_c(uint8_t *dst, int16_t block[4][16],      \
 | |
|                                      ptrdiff_t stride)                        \
 | |
| {                                                                             \
 | |
|     name ## _idct_dc_add_c(dst +  0, block[0], stride);                       \
 | |
|     name ## _idct_dc_add_c(dst +  4, block[1], stride);                       \
 | |
|     name ## _idct_dc_add_c(dst +  8, block[2], stride);                       \
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|     name ## _idct_dc_add_c(dst + 12, block[3], stride);                       \
 | |
| }
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| 
 | |
| #if CONFIG_VP7_DECODER
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| static void vp7_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
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| {
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|     int i;
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|     unsigned a1, b1, c1, d1;
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|     int16_t tmp[16];
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| 
 | |
|     for (i = 0; i < 4; i++) {
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|         a1 = (dc[i * 4 + 0] + dc[i * 4 + 2]) * 23170;
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|         b1 = (dc[i * 4 + 0] - dc[i * 4 + 2]) * 23170;
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|         c1 = dc[i * 4 + 1] * 12540 - dc[i * 4 + 3] * 30274;
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|         d1 = dc[i * 4 + 1] * 30274 + dc[i * 4 + 3] * 12540;
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|         tmp[i * 4 + 0] = (int)(a1 + d1) >> 14;
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|         tmp[i * 4 + 3] = (int)(a1 - d1) >> 14;
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|         tmp[i * 4 + 1] = (int)(b1 + c1) >> 14;
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|         tmp[i * 4 + 2] = (int)(b1 - c1) >> 14;
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|     }
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| 
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|     for (i = 0; i < 4; i++) {
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|         a1 = (tmp[i + 0] + tmp[i + 8]) * 23170;
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|         b1 = (tmp[i + 0] - tmp[i + 8]) * 23170;
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|         c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
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|         d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
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|         AV_ZERO64(dc + i * 4);
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|         block[0][i][0] = (int)(a1 + d1 + 0x20000) >> 18;
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|         block[3][i][0] = (int)(a1 - d1 + 0x20000) >> 18;
 | |
|         block[1][i][0] = (int)(b1 + c1 + 0x20000) >> 18;
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|         block[2][i][0] = (int)(b1 - c1 + 0x20000) >> 18;
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|     }
 | |
| }
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| 
 | |
| static void vp7_luma_dc_wht_dc_c(int16_t block[4][4][16], int16_t dc[16])
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| {
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|     int i, val = (23170 * (23170 * dc[0] >> 14) + 0x20000) >> 18;
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|     dc[0] = 0;
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| 
 | |
|     for (i = 0; i < 4; i++) {
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|         block[i][0][0] = val;
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|         block[i][1][0] = val;
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|         block[i][2][0] = val;
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|         block[i][3][0] = val;
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|     }
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| }
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| 
 | |
| static void vp7_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
 | |
| {
 | |
|     int i;
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|     unsigned a1, b1, c1, d1;
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|     int16_t tmp[16];
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| 
 | |
|     for (i = 0; i < 4; i++) {
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|         a1 = (block[i * 4 + 0] + block[i * 4 + 2]) * 23170;
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|         b1 = (block[i * 4 + 0] - block[i * 4 + 2]) * 23170;
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|         c1 = block[i * 4 + 1] * 12540 - block[i * 4 + 3] * 30274;
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|         d1 = block[i * 4 + 1] * 30274 + block[i * 4 + 3] * 12540;
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|         AV_ZERO64(block + i * 4);
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|         tmp[i * 4 + 0] = (int)(a1 + d1) >> 14;
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|         tmp[i * 4 + 3] = (int)(a1 - d1) >> 14;
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|         tmp[i * 4 + 1] = (int)(b1 + c1) >> 14;
 | |
|         tmp[i * 4 + 2] = (int)(b1 - c1) >> 14;
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < 4; i++) {
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|         a1 = (tmp[i + 0] + tmp[i + 8]) * 23170;
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|         b1 = (tmp[i + 0] - tmp[i + 8]) * 23170;
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|         c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
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|         d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
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|         dst[0 * stride + i] = av_clip_uint8(dst[0 * stride + i] +
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|                                             ((int)(a1 + d1 + 0x20000) >> 18));
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|         dst[3 * stride + i] = av_clip_uint8(dst[3 * stride + i] +
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|                                             ((int)(a1 - d1 + 0x20000) >> 18));
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|         dst[1 * stride + i] = av_clip_uint8(dst[1 * stride + i] +
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|                                             ((int)(b1 + c1 + 0x20000) >> 18));
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|         dst[2 * stride + i] = av_clip_uint8(dst[2 * stride + i] +
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|                                             ((int)(b1 - c1 + 0x20000) >> 18));
 | |
|     }
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| }
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| 
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| static void vp7_idct_dc_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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| {
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|     int i, dc = (23170 * (23170 * block[0] >> 14) + 0x20000) >> 18;
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|     block[0] = 0;
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| 
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|     for (i = 0; i < 4; i++) {
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|         dst[0] = av_clip_uint8(dst[0] + dc);
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|         dst[1] = av_clip_uint8(dst[1] + dc);
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|         dst[2] = av_clip_uint8(dst[2] + dc);
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|         dst[3] = av_clip_uint8(dst[3] + dc);
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|         dst   += stride;
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|     }
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| }
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| 
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| MK_IDCT_DC_ADD4_C(vp7)
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| #endif /* CONFIG_VP7_DECODER */
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| 
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| // TODO: Maybe add dequant
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| #if CONFIG_VP8_DECODER
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| static void vp8_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
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| {
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|     int i, t0, t1, t2, t3;
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| 
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|     for (i = 0; i < 4; i++) {
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|         t0 = dc[0 * 4 + i] + dc[3 * 4 + i];
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|         t1 = dc[1 * 4 + i] + dc[2 * 4 + i];
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|         t2 = dc[1 * 4 + i] - dc[2 * 4 + i];
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|         t3 = dc[0 * 4 + i] - dc[3 * 4 + i];
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| 
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|         dc[0 * 4 + i] = t0 + t1;
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|         dc[1 * 4 + i] = t3 + t2;
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|         dc[2 * 4 + i] = t0 - t1;
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|         dc[3 * 4 + i] = t3 - t2;
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|     }
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| 
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|     for (i = 0; i < 4; i++) {
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|         t0 = dc[i * 4 + 0] + dc[i * 4 + 3] + 3; // rounding
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|         t1 = dc[i * 4 + 1] + dc[i * 4 + 2];
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|         t2 = dc[i * 4 + 1] - dc[i * 4 + 2];
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|         t3 = dc[i * 4 + 0] - dc[i * 4 + 3] + 3; // rounding
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|         AV_ZERO64(dc + i * 4);
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| 
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|         block[i][0][0] = (t0 + t1) >> 3;
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|         block[i][1][0] = (t3 + t2) >> 3;
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|         block[i][2][0] = (t0 - t1) >> 3;
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|         block[i][3][0] = (t3 - t2) >> 3;
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|     }
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| }
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| 
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| static void vp8_luma_dc_wht_dc_c(int16_t block[4][4][16], int16_t dc[16])
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| {
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|     int i, val = (dc[0] + 3) >> 3;
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|     dc[0] = 0;
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| 
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|     for (i = 0; i < 4; i++) {
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|         block[i][0][0] = val;
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|         block[i][1][0] = val;
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|         block[i][2][0] = val;
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|         block[i][3][0] = val;
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|     }
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| }
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| 
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| #define MUL_20091(a) ((((a) * 20091) >> 16) + (a))
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| #define MUL_35468(a)  (((a) * 35468) >> 16)
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| 
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| static void vp8_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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| {
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|     int i, t0, t1, t2, t3;
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|     int16_t tmp[16];
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| 
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|     for (i = 0; i < 4; i++) {
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|         t0 = block[0 * 4 + i] + block[2 * 4 + i];
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|         t1 = block[0 * 4 + i] - block[2 * 4 + i];
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|         t2 = MUL_35468(block[1 * 4 + i]) - MUL_20091(block[3 * 4 + i]);
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|         t3 = MUL_20091(block[1 * 4 + i]) + MUL_35468(block[3 * 4 + i]);
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|         block[0 * 4 + i] = 0;
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|         block[1 * 4 + i] = 0;
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|         block[2 * 4 + i] = 0;
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|         block[3 * 4 + i] = 0;
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| 
 | |
|         tmp[i * 4 + 0] = t0 + t3;
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|         tmp[i * 4 + 1] = t1 + t2;
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|         tmp[i * 4 + 2] = t1 - t2;
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|         tmp[i * 4 + 3] = t0 - t3;
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|     }
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| 
 | |
|     for (i = 0; i < 4; i++) {
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|         t0 = tmp[0 * 4 + i] + tmp[2 * 4 + i];
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|         t1 = tmp[0 * 4 + i] - tmp[2 * 4 + i];
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|         t2 = MUL_35468(tmp[1 * 4 + i]) - MUL_20091(tmp[3 * 4 + i]);
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|         t3 = MUL_20091(tmp[1 * 4 + i]) + MUL_35468(tmp[3 * 4 + i]);
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| 
 | |
|         dst[0] = av_clip_uint8(dst[0] + ((t0 + t3 + 4) >> 3));
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|         dst[1] = av_clip_uint8(dst[1] + ((t1 + t2 + 4) >> 3));
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|         dst[2] = av_clip_uint8(dst[2] + ((t1 - t2 + 4) >> 3));
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|         dst[3] = av_clip_uint8(dst[3] + ((t0 - t3 + 4) >> 3));
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|         dst   += stride;
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|     }
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| }
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| 
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| static void vp8_idct_dc_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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| {
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|     int i, dc = (block[0] + 4) >> 3;
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|     block[0] = 0;
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| 
 | |
|     for (i = 0; i < 4; i++) {
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|         dst[0] = av_clip_uint8(dst[0] + dc);
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|         dst[1] = av_clip_uint8(dst[1] + dc);
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|         dst[2] = av_clip_uint8(dst[2] + dc);
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|         dst[3] = av_clip_uint8(dst[3] + dc);
 | |
|         dst   += stride;
 | |
|     }
 | |
| }
 | |
| 
 | |
| MK_IDCT_DC_ADD4_C(vp8)
 | |
| #endif /* CONFIG_VP8_DECODER */
 | |
| 
 | |
| // because I like only having two parameters to pass functions...
 | |
| #define LOAD_PIXELS                                                           \
 | |
|     int av_unused p3 = p[-4 * stride];                                        \
 | |
|     int av_unused p2 = p[-3 * stride];                                        \
 | |
|     int av_unused p1 = p[-2 * stride];                                        \
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|     int av_unused p0 = p[-1 * stride];                                        \
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|     int av_unused q0 = p[ 0 * stride];                                        \
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|     int av_unused q1 = p[ 1 * stride];                                        \
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|     int av_unused q2 = p[ 2 * stride];                                        \
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|     int av_unused q3 = p[ 3 * stride];
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| 
 | |
| #define clip_int8(n) (cm[(n) + 0x80] - 0x80)
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| 
 | |
| static av_always_inline void filter_common(uint8_t *p, ptrdiff_t stride,
 | |
|                                            int is4tap, int is_vp7)
 | |
| {
 | |
|     LOAD_PIXELS
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|     int a, f1, f2;
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|     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
 | |
| 
 | |
|     a = 3 * (q0 - p0);
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| 
 | |
|     if (is4tap)
 | |
|         a += clip_int8(p1 - q1);
 | |
| 
 | |
|     a = clip_int8(a);
 | |
| 
 | |
|     // We deviate from the spec here with c(a+3) >> 3
 | |
|     // since that's what libvpx does.
 | |
|     f1 = FFMIN(a + 4, 127) >> 3;
 | |
| 
 | |
|     if (is_vp7)
 | |
|         f2 = f1 - ((a & 7) == 4);
 | |
|     else
 | |
|         f2 = FFMIN(a + 3, 127) >> 3;
 | |
| 
 | |
|     // Despite what the spec says, we do need to clamp here to
 | |
|     // be bitexact with libvpx.
 | |
|     p[-1 * stride] = cm[p0 + f2];
 | |
|     p[ 0 * stride] = cm[q0 - f1];
 | |
| 
 | |
|     // only used for _inner on blocks without high edge variance
 | |
|     if (!is4tap) {
 | |
|         a              = (f1 + 1) >> 1;
 | |
|         p[-2 * stride] = cm[p1 + a];
 | |
|         p[ 1 * stride] = cm[q1 - a];
 | |
|     }
 | |
| }
 | |
| 
 | |
| static av_always_inline void vp7_filter_common(uint8_t *p, ptrdiff_t stride,
 | |
|                                                int is4tap)
 | |
| {
 | |
|     filter_common(p, stride, is4tap, IS_VP7);
 | |
| }
 | |
| 
 | |
| static av_always_inline void vp8_filter_common(uint8_t *p, ptrdiff_t stride,
 | |
|                                                int is4tap)
 | |
| {
 | |
|     filter_common(p, stride, is4tap, IS_VP8);
 | |
| }
 | |
| 
 | |
| static av_always_inline int vp7_simple_limit(uint8_t *p, ptrdiff_t stride,
 | |
|                                              int flim)
 | |
| {
 | |
|     LOAD_PIXELS
 | |
|     return FFABS(p0 - q0) <= flim;
 | |
| }
 | |
| 
 | |
| static av_always_inline int vp8_simple_limit(uint8_t *p, ptrdiff_t stride,
 | |
|                                              int flim)
 | |
| {
 | |
|     LOAD_PIXELS
 | |
|     return 2 * FFABS(p0 - q0) + (FFABS(p1 - q1) >> 1) <= flim;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * E - limit at the macroblock edge
 | |
|  * I - limit for interior difference
 | |
|  */
 | |
| #define NORMAL_LIMIT(vpn)                                                     \
 | |
| static av_always_inline int vp ## vpn ## _normal_limit(uint8_t *p,            \
 | |
|                                                        ptrdiff_t stride,      \
 | |
|                                                        int E, int I)          \
 | |
| {                                                                             \
 | |
|     LOAD_PIXELS                                                               \
 | |
|     return vp ## vpn ## _simple_limit(p, stride, E) &&                        \
 | |
|            FFABS(p3 - p2) <= I && FFABS(p2 - p1) <= I &&                      \
 | |
|            FFABS(p1 - p0) <= I && FFABS(q3 - q2) <= I &&                      \
 | |
|            FFABS(q2 - q1) <= I && FFABS(q1 - q0) <= I;                        \
 | |
| }
 | |
| 
 | |
| NORMAL_LIMIT(7)
 | |
| NORMAL_LIMIT(8)
 | |
| 
 | |
| // high edge variance
 | |
| static av_always_inline int hev(uint8_t *p, ptrdiff_t stride, int thresh)
 | |
| {
 | |
|     LOAD_PIXELS
 | |
|     return FFABS(p1 - p0) > thresh || FFABS(q1 - q0) > thresh;
 | |
| }
 | |
| 
 | |
| static av_always_inline void filter_mbedge(uint8_t *p, ptrdiff_t stride)
 | |
| {
 | |
|     int a0, a1, a2, w;
 | |
|     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
 | |
| 
 | |
|     LOAD_PIXELS
 | |
| 
 | |
|     w = clip_int8(p1 - q1);
 | |
|     w = clip_int8(w + 3 * (q0 - p0));
 | |
| 
 | |
|     a0 = (27 * w + 63) >> 7;
 | |
|     a1 = (18 * w + 63) >> 7;
 | |
|     a2 =  (9 * w + 63) >> 7;
 | |
| 
 | |
|     p[-3 * stride] = cm[p2 + a2];
 | |
|     p[-2 * stride] = cm[p1 + a1];
 | |
|     p[-1 * stride] = cm[p0 + a0];
 | |
|     p[ 0 * stride] = cm[q0 - a0];
 | |
|     p[ 1 * stride] = cm[q1 - a1];
 | |
|     p[ 2 * stride] = cm[q2 - a2];
 | |
| }
 | |
| 
 | |
| #define LOOP_FILTER(vpn, dir, size, stridea, strideb, maybe_inline)           \
 | |
| static maybe_inline                                                           \
 | |
| void vpn ## _ ## dir ## _loop_filter ## size ## _c(uint8_t *dst,              \
 | |
|                                                    ptrdiff_t stride,          \
 | |
|                                                    int flim_E, int flim_I,    \
 | |
|                                                    int hev_thresh)            \
 | |
| {                                                                             \
 | |
|     int i;                                                                    \
 | |
|     for (i = 0; i < size; i++)                                                \
 | |
|         if (vpn ## _normal_limit(dst + i * stridea, strideb,                  \
 | |
|                                  flim_E, flim_I)) {                           \
 | |
|             if (hev(dst + i * stridea, strideb, hev_thresh))                  \
 | |
|                 vpn ## _filter_common(dst + i * stridea, strideb, 1);         \
 | |
|             else                                                              \
 | |
|                 filter_mbedge(dst + i * stridea, strideb);                    \
 | |
|         }                                                                     \
 | |
| }                                                                             \
 | |
|                                                                               \
 | |
| static maybe_inline                                                           \
 | |
| void vpn ## _ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst,        \
 | |
|                                                          ptrdiff_t stride,    \
 | |
|                                                          int flim_E,          \
 | |
|                                                          int flim_I,          \
 | |
|                                                          int hev_thresh)      \
 | |
| {                                                                             \
 | |
|     int i;                                                                    \
 | |
|     for (i = 0; i < size; i++)                                                \
 | |
|         if (vpn ## _normal_limit(dst + i * stridea, strideb,                  \
 | |
|                                  flim_E, flim_I)) {                           \
 | |
|             int hv = hev(dst + i * stridea, strideb, hev_thresh);             \
 | |
|             if (hv)                                                           \
 | |
|                 vpn ## _filter_common(dst + i * stridea, strideb, 1);         \
 | |
|             else                                                              \
 | |
|                 vpn ## _filter_common(dst + i * stridea, strideb, 0);         \
 | |
|         }                                                                     \
 | |
| }
 | |
| 
 | |
| #define UV_LOOP_FILTER(vpn, dir, stridea, strideb)                            \
 | |
| LOOP_FILTER(vpn, dir, 8, stridea, strideb, av_always_inline)                  \
 | |
| static void vpn ## _ ## dir ## _loop_filter8uv_c(uint8_t *dstU,               \
 | |
|                                                  uint8_t *dstV,               \
 | |
|                                                  ptrdiff_t stride, int fE,    \
 | |
|                                                  int fI, int hev_thresh)      \
 | |
| {                                                                             \
 | |
|     vpn ## _ ## dir ## _loop_filter8_c(dstU, stride, fE, fI, hev_thresh);     \
 | |
|     vpn ## _ ## dir ## _loop_filter8_c(dstV, stride, fE, fI, hev_thresh);     \
 | |
| }                                                                             \
 | |
|                                                                               \
 | |
| static void vpn ## _ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU,         \
 | |
|                                                        uint8_t *dstV,         \
 | |
|                                                        ptrdiff_t stride,      \
 | |
|                                                        int fE, int fI,        \
 | |
|                                                        int hev_thresh)        \
 | |
| {                                                                             \
 | |
|     vpn ## _ ## dir ## _loop_filter8_inner_c(dstU, stride, fE, fI,            \
 | |
|                                              hev_thresh);                     \
 | |
|     vpn ## _ ## dir ## _loop_filter8_inner_c(dstV, stride, fE, fI,            \
 | |
|                                              hev_thresh);                     \
 | |
| }
 | |
| 
 | |
| #define LOOP_FILTER_SIMPLE(vpn)                                               \
 | |
| static void vpn ## _v_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride,    \
 | |
|                                            int flim)                          \
 | |
| {                                                                             \
 | |
|     int i;                                                                    \
 | |
|     for (i = 0; i < 16; i++)                                                  \
 | |
|         if (vpn ## _simple_limit(dst + i, stride, flim))                      \
 | |
|             vpn ## _filter_common(dst + i, stride, 1);                        \
 | |
| }                                                                             \
 | |
|                                                                               \
 | |
| static void vpn ## _h_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride,    \
 | |
|                                            int flim)                          \
 | |
| {                                                                             \
 | |
|     int i;                                                                    \
 | |
|     for (i = 0; i < 16; i++)                                                  \
 | |
|         if (vpn ## _simple_limit(dst + i * stride, 1, flim))                  \
 | |
|             vpn ## _filter_common(dst + i * stride, 1, 1);                    \
 | |
| }
 | |
| 
 | |
| #define LOOP_FILTERS(vpn)                \
 | |
|     LOOP_FILTER(vpn, v, 16, 1, stride, ) \
 | |
|     LOOP_FILTER(vpn, h, 16, stride, 1, ) \
 | |
|     UV_LOOP_FILTER(vpn, v, 1, stride)    \
 | |
|     UV_LOOP_FILTER(vpn, h, stride, 1)    \
 | |
|     LOOP_FILTER_SIMPLE(vpn)              \
 | |
| 
 | |
| static const uint8_t subpel_filters[7][6] = {
 | |
|     { 0,  6, 123,  12,  1, 0 },
 | |
|     { 2, 11, 108,  36,  8, 1 },
 | |
|     { 0,  9,  93,  50,  6, 0 },
 | |
|     { 3, 16,  77,  77, 16, 3 },
 | |
|     { 0,  6,  50,  93,  9, 0 },
 | |
|     { 1,  8,  36, 108, 11, 2 },
 | |
|     { 0,  1,  12, 123,  6, 0 },
 | |
| };
 | |
| 
 | |
| #define PUT_PIXELS(WIDTH)                                                     \
 | |
| static void put_vp8_pixels ## WIDTH ## _c(uint8_t *dst, ptrdiff_t dststride,  \
 | |
|                                           uint8_t *src, ptrdiff_t srcstride,  \
 | |
|                                           int h, int x, int y)                \
 | |
| {                                                                             \
 | |
|     int i;                                                                    \
 | |
|     for (i = 0; i < h; i++, dst += dststride, src += srcstride)               \
 | |
|         memcpy(dst, src, WIDTH);                                              \
 | |
| }
 | |
| 
 | |
| PUT_PIXELS(16)
 | |
| PUT_PIXELS(8)
 | |
| PUT_PIXELS(4)
 | |
| 
 | |
| #define FILTER_6TAP(src, F, stride)                                           \
 | |
|     cm[(F[2] * src[x + 0 * stride] - F[1] * src[x - 1 * stride] +             \
 | |
|         F[0] * src[x - 2 * stride] + F[3] * src[x + 1 * stride] -             \
 | |
|         F[4] * src[x + 2 * stride] + F[5] * src[x + 3 * stride] + 64) >> 7]
 | |
| 
 | |
| #define FILTER_4TAP(src, F, stride)                                           \
 | |
|     cm[(F[2] * src[x + 0 * stride] - F[1] * src[x - 1 * stride] +             \
 | |
|         F[3] * src[x + 1 * stride] - F[4] * src[x + 2 * stride] + 64) >> 7]
 | |
| 
 | |
| #define VP8_EPEL_H(SIZE, TAPS)                                                \
 | |
| static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst,            \
 | |
|                                                      ptrdiff_t dststride,     \
 | |
|                                                      uint8_t *src,            \
 | |
|                                                      ptrdiff_t srcstride,     \
 | |
|                                                      int h, int mx, int my)   \
 | |
| {                                                                             \
 | |
|     const uint8_t *filter = subpel_filters[mx - 1];                           \
 | |
|     const uint8_t *cm     = ff_crop_tab + MAX_NEG_CROP;                       \
 | |
|     int x, y;                                                                 \
 | |
|     for (y = 0; y < h; y++) {                                                 \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             dst[x] = FILTER_ ## TAPS ## TAP(src, filter, 1);                  \
 | |
|         dst += dststride;                                                     \
 | |
|         src += srcstride;                                                     \
 | |
|     }                                                                         \
 | |
| }
 | |
| 
 | |
| #define VP8_EPEL_V(SIZE, TAPS)                                                \
 | |
| static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst,            \
 | |
|                                                      ptrdiff_t dststride,     \
 | |
|                                                      uint8_t *src,            \
 | |
|                                                      ptrdiff_t srcstride,     \
 | |
|                                                      int h, int mx, int my)   \
 | |
| {                                                                             \
 | |
|     const uint8_t *filter = subpel_filters[my - 1];                           \
 | |
|     const uint8_t *cm     = ff_crop_tab + MAX_NEG_CROP;                       \
 | |
|     int x, y;                                                                 \
 | |
|     for (y = 0; y < h; y++) {                                                 \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             dst[x] = FILTER_ ## TAPS ## TAP(src, filter, srcstride);          \
 | |
|         dst += dststride;                                                     \
 | |
|         src += srcstride;                                                     \
 | |
|     }                                                                         \
 | |
| }
 | |
| 
 | |
| #define VP8_EPEL_HV(SIZE, HTAPS, VTAPS)                                       \
 | |
| static void                                                                   \
 | |
| put_vp8_epel ## SIZE ## _h ## HTAPS ## v ## VTAPS ## _c(uint8_t *dst,         \
 | |
|                                                         ptrdiff_t dststride,  \
 | |
|                                                         uint8_t *src,         \
 | |
|                                                         ptrdiff_t srcstride,  \
 | |
|                                                         int h, int mx,        \
 | |
|                                                         int my)               \
 | |
| {                                                                             \
 | |
|     const uint8_t *filter = subpel_filters[mx - 1];                           \
 | |
|     const uint8_t *cm     = ff_crop_tab + MAX_NEG_CROP;                       \
 | |
|     int x, y;                                                                 \
 | |
|     uint8_t tmp_array[(2 * SIZE + VTAPS - 1) * SIZE];                         \
 | |
|     uint8_t *tmp = tmp_array;                                                 \
 | |
|     src -= (2 - (VTAPS == 4)) * srcstride;                                    \
 | |
|                                                                               \
 | |
|     for (y = 0; y < h + VTAPS - 1; y++) {                                     \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             tmp[x] = FILTER_ ## HTAPS ## TAP(src, filter, 1);                 \
 | |
|         tmp += SIZE;                                                          \
 | |
|         src += srcstride;                                                     \
 | |
|     }                                                                         \
 | |
|     tmp    = tmp_array + (2 - (VTAPS == 4)) * SIZE;                           \
 | |
|     filter = subpel_filters[my - 1];                                          \
 | |
|                                                                               \
 | |
|     for (y = 0; y < h; y++) {                                                 \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             dst[x] = FILTER_ ## VTAPS ## TAP(tmp, filter, SIZE);              \
 | |
|         dst += dststride;                                                     \
 | |
|         tmp += SIZE;                                                          \
 | |
|     }                                                                         \
 | |
| }
 | |
| 
 | |
| VP8_EPEL_H(16, 4)
 | |
| VP8_EPEL_H(8,  4)
 | |
| VP8_EPEL_H(4,  4)
 | |
| VP8_EPEL_H(16, 6)
 | |
| VP8_EPEL_H(8,  6)
 | |
| VP8_EPEL_H(4,  6)
 | |
| VP8_EPEL_V(16, 4)
 | |
| VP8_EPEL_V(8,  4)
 | |
| VP8_EPEL_V(4,  4)
 | |
| VP8_EPEL_V(16, 6)
 | |
| VP8_EPEL_V(8,  6)
 | |
| VP8_EPEL_V(4,  6)
 | |
| 
 | |
| VP8_EPEL_HV(16, 4, 4)
 | |
| VP8_EPEL_HV(8,  4, 4)
 | |
| VP8_EPEL_HV(4,  4, 4)
 | |
| VP8_EPEL_HV(16, 4, 6)
 | |
| VP8_EPEL_HV(8,  4, 6)
 | |
| VP8_EPEL_HV(4,  4, 6)
 | |
| VP8_EPEL_HV(16, 6, 4)
 | |
| VP8_EPEL_HV(8,  6, 4)
 | |
| VP8_EPEL_HV(4,  6, 4)
 | |
| VP8_EPEL_HV(16, 6, 6)
 | |
| VP8_EPEL_HV(8,  6, 6)
 | |
| VP8_EPEL_HV(4,  6, 6)
 | |
| 
 | |
| #define VP8_BILINEAR(SIZE)                                                    \
 | |
| static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, ptrdiff_t dstride, \
 | |
|                                              uint8_t *src, ptrdiff_t sstride, \
 | |
|                                              int h, int mx, int my)           \
 | |
| {                                                                             \
 | |
|     int a = 8 - mx, b = mx;                                                   \
 | |
|     int x, y;                                                                 \
 | |
|     for (y = 0; y < h; y++) {                                                 \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             dst[x] = (a * src[x] + b * src[x + 1] + 4) >> 3;                  \
 | |
|         dst += dstride;                                                       \
 | |
|         src += sstride;                                                       \
 | |
|     }                                                                         \
 | |
| }                                                                             \
 | |
|                                                                               \
 | |
| static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, ptrdiff_t dstride, \
 | |
|                                              uint8_t *src, ptrdiff_t sstride, \
 | |
|                                              int h, int mx, int my)           \
 | |
| {                                                                             \
 | |
|     int c = 8 - my, d = my;                                                   \
 | |
|     int x, y;                                                                 \
 | |
|     for (y = 0; y < h; y++) {                                                 \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             dst[x] = (c * src[x] + d * src[x + sstride] + 4) >> 3;            \
 | |
|         dst += dstride;                                                       \
 | |
|         src += sstride;                                                       \
 | |
|     }                                                                         \
 | |
| }                                                                             \
 | |
|                                                                               \
 | |
| static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst,                   \
 | |
|                                               ptrdiff_t dstride,              \
 | |
|                                               uint8_t *src,                   \
 | |
|                                               ptrdiff_t sstride,              \
 | |
|                                               int h, int mx, int my)          \
 | |
| {                                                                             \
 | |
|     int a = 8 - mx, b = mx;                                                   \
 | |
|     int c = 8 - my, d = my;                                                   \
 | |
|     int x, y;                                                                 \
 | |
|     uint8_t tmp_array[(2 * SIZE + 1) * SIZE];                                 \
 | |
|     uint8_t *tmp = tmp_array;                                                 \
 | |
|     for (y = 0; y < h + 1; y++) {                                             \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             tmp[x] = (a * src[x] + b * src[x + 1] + 4) >> 3;                  \
 | |
|         tmp += SIZE;                                                          \
 | |
|         src += sstride;                                                       \
 | |
|     }                                                                         \
 | |
|     tmp = tmp_array;                                                          \
 | |
|     for (y = 0; y < h; y++) {                                                 \
 | |
|         for (x = 0; x < SIZE; x++)                                            \
 | |
|             dst[x] = (c * tmp[x] + d * tmp[x + SIZE] + 4) >> 3;               \
 | |
|         dst += dstride;                                                       \
 | |
|         tmp += SIZE;                                                          \
 | |
|     }                                                                         \
 | |
| }
 | |
| 
 | |
| VP8_BILINEAR(16)
 | |
| VP8_BILINEAR(8)
 | |
| VP8_BILINEAR(4)
 | |
| 
 | |
| #define VP78_MC_FUNC(IDX, SIZE)                                               \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c;   \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][0][1] = put_vp8_epel ## SIZE ## _h4_c;  \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][0][2] = put_vp8_epel ## SIZE ## _h6_c;  \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][1][0] = put_vp8_epel ## SIZE ## _v4_c;  \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][1][1] = put_vp8_epel ## SIZE ## _h4v4_c; \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][1][2] = put_vp8_epel ## SIZE ## _h6v4_c; \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][2][0] = put_vp8_epel ## SIZE ## _v6_c;  \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][2][1] = put_vp8_epel ## SIZE ## _h4v6_c; \
 | |
|     dsp->put_vp8_epel_pixels_tab[IDX][2][2] = put_vp8_epel ## SIZE ## _h6v6_c
 | |
| 
 | |
| #define VP78_BILINEAR_MC_FUNC(IDX, SIZE)                                      \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][0][0] = put_vp8_pixels   ## SIZE ## _c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][0][1] = put_vp8_bilinear ## SIZE ## _h_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][0][2] = put_vp8_bilinear ## SIZE ## _h_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][1][0] = put_vp8_bilinear ## SIZE ## _v_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][1][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][1][2] = put_vp8_bilinear ## SIZE ## _hv_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][2][0] = put_vp8_bilinear ## SIZE ## _v_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][2][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
 | |
|     dsp->put_vp8_bilinear_pixels_tab[IDX][2][2] = put_vp8_bilinear ## SIZE ## _hv_c
 | |
| 
 | |
| av_cold void ff_vp78dsp_init(VP8DSPContext *dsp)
 | |
| {
 | |
|     VP78_MC_FUNC(0, 16);
 | |
|     VP78_MC_FUNC(1, 8);
 | |
|     VP78_MC_FUNC(2, 4);
 | |
| 
 | |
|     VP78_BILINEAR_MC_FUNC(0, 16);
 | |
|     VP78_BILINEAR_MC_FUNC(1, 8);
 | |
|     VP78_BILINEAR_MC_FUNC(2, 4);
 | |
| 
 | |
|     if (ARCH_AARCH64)
 | |
|         ff_vp78dsp_init_aarch64(dsp);
 | |
|     if (ARCH_ARM)
 | |
|         ff_vp78dsp_init_arm(dsp);
 | |
|     if (ARCH_PPC)
 | |
|         ff_vp78dsp_init_ppc(dsp);
 | |
|     if (ARCH_X86)
 | |
|         ff_vp78dsp_init_x86(dsp);
 | |
| }
 | |
| 
 | |
| #if CONFIG_VP7_DECODER
 | |
| LOOP_FILTERS(vp7)
 | |
| 
 | |
| av_cold void ff_vp7dsp_init(VP8DSPContext *dsp)
 | |
| {
 | |
|     dsp->vp8_luma_dc_wht    = vp7_luma_dc_wht_c;
 | |
|     dsp->vp8_luma_dc_wht_dc = vp7_luma_dc_wht_dc_c;
 | |
|     dsp->vp8_idct_add       = vp7_idct_add_c;
 | |
|     dsp->vp8_idct_dc_add    = vp7_idct_dc_add_c;
 | |
|     dsp->vp8_idct_dc_add4y  = vp7_idct_dc_add4y_c;
 | |
|     dsp->vp8_idct_dc_add4uv = vp7_idct_dc_add4uv_c;
 | |
| 
 | |
|     dsp->vp8_v_loop_filter16y = vp7_v_loop_filter16_c;
 | |
|     dsp->vp8_h_loop_filter16y = vp7_h_loop_filter16_c;
 | |
|     dsp->vp8_v_loop_filter8uv = vp7_v_loop_filter8uv_c;
 | |
|     dsp->vp8_h_loop_filter8uv = vp7_h_loop_filter8uv_c;
 | |
| 
 | |
|     dsp->vp8_v_loop_filter16y_inner = vp7_v_loop_filter16_inner_c;
 | |
|     dsp->vp8_h_loop_filter16y_inner = vp7_h_loop_filter16_inner_c;
 | |
|     dsp->vp8_v_loop_filter8uv_inner = vp7_v_loop_filter8uv_inner_c;
 | |
|     dsp->vp8_h_loop_filter8uv_inner = vp7_h_loop_filter8uv_inner_c;
 | |
| 
 | |
|     dsp->vp8_v_loop_filter_simple = vp7_v_loop_filter_simple_c;
 | |
|     dsp->vp8_h_loop_filter_simple = vp7_h_loop_filter_simple_c;
 | |
| }
 | |
| #endif /* CONFIG_VP7_DECODER */
 | |
| 
 | |
| #if CONFIG_VP8_DECODER
 | |
| LOOP_FILTERS(vp8)
 | |
| 
 | |
| av_cold void ff_vp8dsp_init(VP8DSPContext *dsp)
 | |
| {
 | |
|     dsp->vp8_luma_dc_wht    = vp8_luma_dc_wht_c;
 | |
|     dsp->vp8_luma_dc_wht_dc = vp8_luma_dc_wht_dc_c;
 | |
|     dsp->vp8_idct_add       = vp8_idct_add_c;
 | |
|     dsp->vp8_idct_dc_add    = vp8_idct_dc_add_c;
 | |
|     dsp->vp8_idct_dc_add4y  = vp8_idct_dc_add4y_c;
 | |
|     dsp->vp8_idct_dc_add4uv = vp8_idct_dc_add4uv_c;
 | |
| 
 | |
|     dsp->vp8_v_loop_filter16y = vp8_v_loop_filter16_c;
 | |
|     dsp->vp8_h_loop_filter16y = vp8_h_loop_filter16_c;
 | |
|     dsp->vp8_v_loop_filter8uv = vp8_v_loop_filter8uv_c;
 | |
|     dsp->vp8_h_loop_filter8uv = vp8_h_loop_filter8uv_c;
 | |
| 
 | |
|     dsp->vp8_v_loop_filter16y_inner = vp8_v_loop_filter16_inner_c;
 | |
|     dsp->vp8_h_loop_filter16y_inner = vp8_h_loop_filter16_inner_c;
 | |
|     dsp->vp8_v_loop_filter8uv_inner = vp8_v_loop_filter8uv_inner_c;
 | |
|     dsp->vp8_h_loop_filter8uv_inner = vp8_h_loop_filter8uv_inner_c;
 | |
| 
 | |
|     dsp->vp8_v_loop_filter_simple = vp8_v_loop_filter_simple_c;
 | |
|     dsp->vp8_h_loop_filter_simple = vp8_h_loop_filter_simple_c;
 | |
| 
 | |
|     if (ARCH_AARCH64)
 | |
|         ff_vp8dsp_init_aarch64(dsp);
 | |
|     if (ARCH_ARM)
 | |
|         ff_vp8dsp_init_arm(dsp);
 | |
|     if (ARCH_X86)
 | |
|         ff_vp8dsp_init_x86(dsp);
 | |
|     if (ARCH_MIPS)
 | |
|         ff_vp8dsp_init_mips(dsp);
 | |
| }
 | |
| #endif /* CONFIG_VP8_DECODER */
 |