1/*
2 * ARM NEON optimised DSP functions
3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include <stddef.h>
23#include <stdint.h>
24
25#include "config.h"
26
27#include "libavutil/attributes.h"
28#include "libavutil/cpu.h"
29#include "libavutil/aarch64/cpu.h"
30#include "libavcodec/hpeldsp.h"
31
32void     ff_put_pixels16_neon(uint8_t *block, const uint8_t *pixels,
33                              ptrdiff_t line_size, int h);
34void  ff_put_pixels16_x2_neon(uint8_t *block, const uint8_t *pixels,
35                              ptrdiff_t line_size, int h);
36void  ff_put_pixels16_y2_neon(uint8_t *block, const uint8_t *pixels,
37                              ptrdiff_t line_size, int h);
38void ff_put_pixels16_xy2_neon(uint8_t *block, const uint8_t *pixels,
39                              ptrdiff_t line_size, int h);
40void      ff_put_pixels8_neon(uint8_t *block, const uint8_t *pixels,
41                              ptrdiff_t line_size, int h);
42void   ff_put_pixels8_x2_neon(uint8_t *block, const uint8_t *pixels,
43                              ptrdiff_t line_size, int h);
44void   ff_put_pixels8_y2_neon(uint8_t *block, const uint8_t *pixels,
45                              ptrdiff_t line_size, int h);
46void  ff_put_pixels8_xy2_neon(uint8_t *block, const uint8_t *pixels,
47                              ptrdiff_t line_size, int h);
48
49void  ff_put_pixels16_x2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
50                                     ptrdiff_t line_size, int h);
51void  ff_put_pixels16_y2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
52                                     ptrdiff_t line_size, int h);
53void ff_put_pixels16_xy2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
54                                     ptrdiff_t line_size, int h);
55void   ff_put_pixels8_x2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
56                                     ptrdiff_t line_size, int h);
57void   ff_put_pixels8_y2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
58                                     ptrdiff_t line_size, int h);
59void  ff_put_pixels8_xy2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
60                                     ptrdiff_t line_size, int h);
61
62void     ff_avg_pixels16_neon(uint8_t *block, const uint8_t *pixels,
63                              ptrdiff_t line_size, int h);
64void  ff_avg_pixels16_x2_neon(uint8_t *block, const uint8_t *pixels,
65                              ptrdiff_t line_size, int h);
66void  ff_avg_pixels16_y2_neon(uint8_t *block, const uint8_t *pixels,
67                              ptrdiff_t line_size, int h);
68void ff_avg_pixels16_xy2_neon(uint8_t *block, const uint8_t *pixels,
69                              ptrdiff_t line_size, int h);
70void      ff_avg_pixels8_neon(uint8_t *block, const uint8_t *pixels,
71                              ptrdiff_t line_size, int h);
72void   ff_avg_pixels8_x2_neon(uint8_t *block, const uint8_t *pixels,
73                              ptrdiff_t line_size, int h);
74void   ff_avg_pixels8_y2_neon(uint8_t *block, const uint8_t *pixels,
75                              ptrdiff_t line_size, int h);
76void  ff_avg_pixels8_xy2_neon(uint8_t *block, const uint8_t *pixels,
77                              ptrdiff_t line_size, int h);
78
79void  ff_avg_pixels16_x2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
80                                     ptrdiff_t line_size, int h);
81void  ff_avg_pixels16_y2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
82                                     ptrdiff_t line_size, int h);
83void ff_avg_pixels16_xy2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
84                                     ptrdiff_t line_size, int h);
85
86av_cold void ff_hpeldsp_init_aarch64(HpelDSPContext *c, int flags)
87{
88    int cpu_flags = av_get_cpu_flags();
89
90    if (have_neon(cpu_flags)) {
91        c->put_pixels_tab[0][0] = ff_put_pixels16_neon;
92        c->put_pixels_tab[0][1] = ff_put_pixels16_x2_neon;
93        c->put_pixels_tab[0][2] = ff_put_pixels16_y2_neon;
94        c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_neon;
95        c->put_pixels_tab[1][0] = ff_put_pixels8_neon;
96        c->put_pixels_tab[1][1] = ff_put_pixels8_x2_neon;
97        c->put_pixels_tab[1][2] = ff_put_pixels8_y2_neon;
98        c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_neon;
99
100        c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_neon;
101        c->put_no_rnd_pixels_tab[0][1] = ff_put_pixels16_x2_no_rnd_neon;
102        c->put_no_rnd_pixels_tab[0][2] = ff_put_pixels16_y2_no_rnd_neon;
103        c->put_no_rnd_pixels_tab[0][3] = ff_put_pixels16_xy2_no_rnd_neon;
104        c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_neon;
105        c->put_no_rnd_pixels_tab[1][1] = ff_put_pixels8_x2_no_rnd_neon;
106        c->put_no_rnd_pixels_tab[1][2] = ff_put_pixels8_y2_no_rnd_neon;
107        c->put_no_rnd_pixels_tab[1][3] = ff_put_pixels8_xy2_no_rnd_neon;
108
109        c->avg_pixels_tab[0][0] = ff_avg_pixels16_neon;
110        c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_neon;
111        c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_neon;
112        c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_neon;
113        c->avg_pixels_tab[1][0] = ff_avg_pixels8_neon;
114        c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_neon;
115        c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_neon;
116        c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_neon;
117
118        c->avg_no_rnd_pixels_tab[0] = ff_avg_pixels16_neon;
119        c->avg_no_rnd_pixels_tab[1] = ff_avg_pixels16_x2_no_rnd_neon;
120        c->avg_no_rnd_pixels_tab[2] = ff_avg_pixels16_y2_no_rnd_neon;
121        c->avg_no_rnd_pixels_tab[3] = ff_avg_pixels16_xy2_no_rnd_neon;
122    }
123}
124