1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
* Copyright (c) 2023, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_AV1_COMMON_ARM_HIGHBD_CONVOLVE_NEON_H_
#define AOM_AV1_COMMON_ARM_HIGHBD_CONVOLVE_NEON_H_
#include <arm_neon.h>
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/transpose_neon.h"
#include "av1/common/convolve.h"
static INLINE int32x4_t highbd_convolve8_4_s32(
const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter,
const int32x4_t offset) {
const int16x4_t y_filter_lo = vget_low_s16(y_filter);
const int16x4_t y_filter_hi = vget_high_s16(y_filter);
int32x4_t sum = vmlal_lane_s16(offset, s0, y_filter_lo, 0);
sum = vmlal_lane_s16(sum, s1, y_filter_lo, 1);
sum = vmlal_lane_s16(sum, s2, y_filter_lo, 2);
sum = vmlal_lane_s16(sum, s3, y_filter_lo, 3);
sum = vmlal_lane_s16(sum, s4, y_filter_hi, 0);
sum = vmlal_lane_s16(sum, s5, y_filter_hi, 1);
sum = vmlal_lane_s16(sum, s6, y_filter_hi, 2);
sum = vmlal_lane_s16(sum, s7, y_filter_hi, 3);
return sum;
}
static INLINE uint16x4_t highbd_convolve8_4_sr_s32_s16(
const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter,
const int32x4_t shift_s32, const int32x4_t offset) {
int32x4_t sum =
highbd_convolve8_4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, offset);
sum = vqrshlq_s32(sum, shift_s32);
return vqmovun_s32(sum);
}
// Like above but also perform round shifting and subtract correction term
static INLINE uint16x4_t highbd_convolve8_4_srsub_s32_s16(
const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter,
const int32x4_t round_shift, const int32x4_t offset,
const int32x4_t correction) {
int32x4_t sum =
highbd_convolve8_4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, offset);
sum = vsubq_s32(vqrshlq_s32(sum, round_shift), correction);
return vqmovun_s32(sum);
}
static INLINE void highbd_convolve8_8_s32(
const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter,
const int32x4_t offset, int32x4_t *sum0, int32x4_t *sum1) {
const int16x4_t y_filter_lo = vget_low_s16(y_filter);
const int16x4_t y_filter_hi = vget_high_s16(y_filter);
*sum0 = vmlal_lane_s16(offset, vget_low_s16(s0), y_filter_lo, 0);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s1), y_filter_lo, 1);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s2), y_filter_lo, 2);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s3), y_filter_lo, 3);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s4), y_filter_hi, 0);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s5), y_filter_hi, 1);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s6), y_filter_hi, 2);
*sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s7), y_filter_hi, 3);
*sum1 = vmlal_lane_s16(offset, vget_high_s16(s0), y_filter_lo, 0);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s1), y_filter_lo, 1);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s2), y_filter_lo, 2);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s3), y_filter_lo, 3);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s4), y_filter_hi, 0);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s5), y_filter_hi, 1);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s6), y_filter_hi, 2);
*sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s7), y_filter_hi, 3);
}
// Like above but also perform round shifting and subtract correction term
static INLINE uint16x8_t highbd_convolve8_8_srsub_s32_s16(
const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter,
const int32x4_t round_shift, const int32x4_t offset,
const int32x4_t correction) {
int32x4_t sum0;
int32x4_t sum1;
highbd_convolve8_8_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, offset,
&sum0, &sum1);
sum0 = vsubq_s32(vqrshlq_s32(sum0, round_shift), correction);
sum1 = vsubq_s32(vqrshlq_s32(sum1, round_shift), correction);
return vcombine_u16(vqmovun_s32(sum0), vqmovun_s32(sum1));
}
static INLINE int32x4_t highbd_convolve8_2d_scale_horiz4x8_s32(
const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
const int16x8_t s3, const int16x4_t *filters_lo,
const int16x4_t *filters_hi, const int32x4_t offset) {
int16x4_t s_lo[] = { vget_low_s16(s0), vget_low_s16(s1), vget_low_s16(s2),
vget_low_s16(s3) };
int16x4_t s_hi[] = { vget_high_s16(s0), vget_high_s16(s1), vget_high_s16(s2),
vget_high_s16(s3) };
transpose_array_inplace_u16_4x4((uint16x4_t *)s_lo);
transpose_array_inplace_u16_4x4((uint16x4_t *)s_hi);
int32x4_t sum = vmlal_s16(offset, s_lo[0], filters_lo[0]);
sum = vmlal_s16(sum, s_lo[1], filters_lo[1]);
sum = vmlal_s16(sum, s_lo[2], filters_lo[2]);
sum = vmlal_s16(sum, s_lo[3], filters_lo[3]);
sum = vmlal_s16(sum, s_hi[0], filters_hi[0]);
sum = vmlal_s16(sum, s_hi[1], filters_hi[1]);
sum = vmlal_s16(sum, s_hi[2], filters_hi[2]);
sum = vmlal_s16(sum, s_hi[3], filters_hi[3]);
return sum;
}
static INLINE uint16x4_t highbd_convolve8_2d_scale_horiz4x8_s32_s16(
const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
const int16x8_t s3, const int16x4_t *filters_lo,
const int16x4_t *filters_hi, const int32x4_t shift_s32,
const int32x4_t offset) {
int32x4_t sum = highbd_convolve8_2d_scale_horiz4x8_s32(
s0, s1, s2, s3, filters_lo, filters_hi, offset);
sum = vqrshlq_s32(sum, shift_s32);
return vqmovun_s32(sum);
}
#endif // AOM_AV1_COMMON_ARM_HIGHBD_CONVOLVE_NEON_H_
|
