/*
* Copyright (c) 2018, 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.
*/
#include <arm_neon.h>
#include <assert.h>
#include "config/aom_config.h"
#include "config/av1_rtcd.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/txfm_common.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/transpose_neon.h"
#include "aom_mem/aom_mem.h"
#include "aom_ports/mem.h"
#include "av1/common/av1_common_int.h"
#include "av1/common/common.h"
#include "av1/common/resize.h"
#include "av1/common/restoration.h"
// Constants used for right shift in final_filter calculation.
#define NB_EVEN 5
#define NB_ODD 4
static inline void calc_ab_fast_internal_common(
uint32x4_t s0, uint32x4_t s1, uint32x4_t s2, uint32x4_t s3, uint32x4_t s4,
uint32x4_t s5, uint32x4_t s6, uint32x4_t s7, int32x4_t sr4, int32x4_t sr5,
int32x4_t sr6, int32x4_t sr7, uint32x4_t const_n_val, uint32x4_t s_vec,
uint32x4_t const_val, uint32x4_t one_by_n_minus_1_vec,
uint16x4_t sgrproj_sgr, int32_t *src1, uint16_t *dst_A16, int32_t *src2,
const int buf_stride) {
uint32x4_t q0, q1, q2, q3;
uint32x4_t p0, p1, p2, p3;
uint16x4_t d0, d1, d2, d3;
s0 = vmulq_u32(s0, const_n_val);
s1 = vmulq_u32(s1, const_n_val);
s2 = vmulq_u32(s2, const_n_val);
s3 = vmulq_u32(s3, const_n_val);
q0 = vmulq_u32(s4, s4);
q1 = vmulq_u32(s5, s5);
q2 = vmulq_u32(s6, s6);
q3 = vmulq_u32(s7, s7);
p0 = vcleq_u32(q0, s0);
p1 = vcleq_u32(q1, s1);
p2 = vcleq_u32(q2, s2);
p3 = vcleq_u32(q3, s3);
q0 = vsubq_u32(s0, q0);
q1 = vsubq_u32(s1, q1);
q2 = vsubq_u32(s2, q2);
q3 = vsubq_u32(s3, q3);
p0 = vandq_u32(p0, q0);
p1 = vandq_u32(p1, q1);
p2 = vandq_u32(p2, q2);
p3 = vandq_u32(p3, q3);
p0 = vmulq_u32(p0, s_vec);
p1 = vmulq_u32(p1, s_vec);
p2 = vmulq_u32(p2, s_vec);
p3 = vmulq_u32(p3, s_vec);
p0 = vrshrq_n_u32(p0, SGRPROJ_MTABLE_BITS);
p1 = vrshrq_n_u32(p1, SGRPROJ_MTABLE_BITS);
p2 = vrshrq_n_u32(p2, SGRPROJ_MTABLE_BITS);
p3 = vrshrq_n_u32(p3, SGRPROJ_MTABLE_BITS);
p0 = vminq_u32(p0, const_val);
p1 = vminq_u32(p1, const_val);
p2 = vminq_u32(p2, const_val);
p3 = vminq_u32(p3, const_val);
{
store_u32_4x4((uint32_t *)src1, buf_stride, p0, p1, p2, p3);
for (
int x = 0; x < 4; x++) {
for (
int y = 0; y < 4; y++) {
dst_A16[x * buf_stride + y] = av1_x_by_xplus1[src1[x * buf_stride + y]];
}
}
load_u16_4x4(dst_A16, buf_stride, &d0, &d1, &d2, &d3);
}
p0 = vsubl_u16(sgrproj_sgr, d0);
p1 = vsubl_u16(sgrproj_sgr, d1);
p2 = vsubl_u16(sgrproj_sgr, d2);
p3 = vsubl_u16(sgrproj_sgr, d3);
s4 = vmulq_u32(vreinterpretq_u32_s32(sr4), one_by_n_minus_1_vec);
s5 = vmulq_u32(vreinterpretq_u32_s32(sr5), one_by_n_minus_1_vec);
s6 = vmulq_u32(vreinterpretq_u32_s32(sr6), one_by_n_minus_1_vec);
s7 = vmulq_u32(vreinterpretq_u32_s32(sr7), one_by_n_minus_1_vec);
s4 = vmulq_u32(s4, p0);
s5 = vmulq_u32(s5, p1);
s6 = vmulq_u32(s6, p2);
s7 = vmulq_u32(s7, p3);
p0 = vrshrq_n_u32(s4, SGRPROJ_RECIP_BITS);
p1 = vrshrq_n_u32(s5, SGRPROJ_RECIP_BITS);
p2 = vrshrq_n_u32(s6, SGRPROJ_RECIP_BITS);
p3 = vrshrq_n_u32(s7, SGRPROJ_RECIP_BITS);
store_s32_4x4(src2, buf_stride, vreinterpretq_s32_u32(p0),
vreinterpretq_s32_u32(p1), vreinterpretq_s32_u32(p2),
vreinterpretq_s32_u32(p3));
}
static inline void calc_ab_internal_common(
uint32x4_t s0, uint32x4_t s1, uint32x4_t s2, uint32x4_t s3, uint32x4_t s4,
uint32x4_t s5, uint32x4_t s6, uint32x4_t s7, uint16x8_t s16_0,
uint16x8_t s16_1, uint16x8_t s16_2, uint16x8_t s16_3, uint16x8_t s16_4,
uint16x8_t s16_5, uint16x8_t s16_6, uint16x8_t s16_7,
uint32x4_t const_n_val, uint32x4_t s_vec, uint32x4_t const_val,
uint16x4_t one_by_n_minus_1_vec, uint16x8_t sgrproj_sgr, int32_t *src1,
uint16_t *dst_A16, int32_t *dst2,
const int buf_stride) {
uint16x4_t d0, d1, d2, d3, d4, d5, d6, d7;
uint32x4_t q0, q1, q2, q3, q4, q5, q6, q7;
uint32x4_t p0, p1, p2, p3, p4, p5, p6, p7;
s0 = vmulq_u32(s0, const_n_val);
s1 = vmulq_u32(s1, const_n_val);
s2 = vmulq_u32(s2, const_n_val);
s3 = vmulq_u32(s3, const_n_val);
s4 = vmulq_u32(s4, const_n_val);
s5 = vmulq_u32(s5, const_n_val);
s6 = vmulq_u32(s6, const_n_val);
s7 = vmulq_u32(s7, const_n_val);
d0 = vget_low_u16(s16_4);
d1 = vget_low_u16(s16_5);
d2 = vget_low_u16(s16_6);
d3 = vget_low_u16(s16_7);
d4 = vget_high_u16(s16_4);
d5 = vget_high_u16(s16_5);
d6 = vget_high_u16(s16_6);
d7 = vget_high_u16(s16_7);
q0 = vmull_u16(d0, d0);
q1 = vmull_u16(d1, d1);
q2 = vmull_u16(d2, d2);
q3 = vmull_u16(d3, d3);
q4 = vmull_u16(d4, d4);
q5 = vmull_u16(d5, d5);
q6 = vmull_u16(d6, d6);
q7 = vmull_u16(d7, d7);
p0 = vcleq_u32(q0, s0);
p1 = vcleq_u32(q1, s1);
p2 = vcleq_u32(q2, s2);
p3 = vcleq_u32(q3, s3);
p4 = vcleq_u32(q4, s4);
p5 = vcleq_u32(q5, s5);
p6 = vcleq_u32(q6, s6);
p7 = vcleq_u32(q7, s7);
q0 = vsubq_u32(s0, q0);
q1 = vsubq_u32(s1, q1);
q2 = vsubq_u32(s2, q2);
q3 = vsubq_u32(s3, q3);
q4 = vsubq_u32(s4, q4);
q5 = vsubq_u32(s5, q5);
q6 = vsubq_u32(s6, q6);
q7 = vsubq_u32(s7, q7);
p0 = vandq_u32(p0, q0);
p1 = vandq_u32(p1, q1);
p2 = vandq_u32(p2, q2);
p3 = vandq_u32(p3, q3);
p4 = vandq_u32(p4, q4);
p5 = vandq_u32(p5, q5);
p6 = vandq_u32(p6, q6);
p7 = vandq_u32(p7, q7);
p0 = vmulq_u32(p0, s_vec);
p1 = vmulq_u32(p1, s_vec);
p2 = vmulq_u32(p2, s_vec);
p3 = vmulq_u32(p3, s_vec);
p4 = vmulq_u32(p4, s_vec);
p5 = vmulq_u32(p5, s_vec);
p6 = vmulq_u32(p6, s_vec);
p7 = vmulq_u32(p7, s_vec);
p0 = vrshrq_n_u32(p0, SGRPROJ_MTABLE_BITS);
p1 = vrshrq_n_u32(p1, SGRPROJ_MTABLE_BITS);
p2 = vrshrq_n_u32(p2, SGRPROJ_MTABLE_BITS);
p3 = vrshrq_n_u32(p3, SGRPROJ_MTABLE_BITS);
p4 = vrshrq_n_u32(p4, SGRPROJ_MTABLE_BITS);
p5 = vrshrq_n_u32(p5, SGRPROJ_MTABLE_BITS);
p6 = vrshrq_n_u32(p6, SGRPROJ_MTABLE_BITS);
p7 = vrshrq_n_u32(p7, SGRPROJ_MTABLE_BITS);
p0 = vminq_u32(p0, const_val);
p1 = vminq_u32(p1, const_val);
p2 = vminq_u32(p2, const_val);
p3 = vminq_u32(p3, const_val);
p4 = vminq_u32(p4, const_val);
p5 = vminq_u32(p5, const_val);
p6 = vminq_u32(p6, const_val);
p7 = vminq_u32(p7, const_val);
{
store_u32_4x4((uint32_t *)src1, buf_stride, p0, p1, p2, p3);
store_u32_4x4((uint32_t *)src1 + 4, buf_stride, p4, p5, p6, p7);
for (
int x = 0; x < 4; x++) {
for (
int y = 0; y < 8; y++) {
dst_A16[x * buf_stride + y] = av1_x_by_xplus1[src1[x * buf_stride + y]];
}
}
load_u16_8x4(dst_A16, buf_stride, &s16_4, &s16_5, &s16_6, &s16_7);
}
s16_4 = vsubq_u16(sgrproj_sgr, s16_4);
s16_5 = vsubq_u16(sgrproj_sgr, s16_5);
s16_6 = vsubq_u16(sgrproj_sgr, s16_6);
s16_7 = vsubq_u16(sgrproj_sgr, s16_7);
s0 = vmull_u16(vget_low_u16(s16_0), one_by_n_minus_1_vec);
s1 = vmull_u16(vget_low_u16(s16_1), one_by_n_minus_1_vec);
s2 = vmull_u16(vget_low_u16(s16_2), one_by_n_minus_1_vec);
s3 = vmull_u16(vget_low_u16(s16_3), one_by_n_minus_1_vec);
s4 = vmull_u16(vget_high_u16(s16_0), one_by_n_minus_1_vec);
s5 = vmull_u16(vget_high_u16(s16_1), one_by_n_minus_1_vec);
s6 = vmull_u16(vget_high_u16(s16_2), one_by_n_minus_1_vec);
s7 = vmull_u16(vget_high_u16(s16_3), one_by_n_minus_1_vec);
s0 = vmulq_u32(s0, vmovl_u16(vget_low_u16(s16_4)));
s1 = vmulq_u32(s1, vmovl_u16(vget_low_u16(s16_5)));
s2 = vmulq_u32(s2, vmovl_u16(vget_low_u16(s16_6)));
s3 = vmulq_u32(s3, vmovl_u16(vget_low_u16(s16_7)));
s4 = vmulq_u32(s4, vmovl_u16(vget_high_u16(s16_4)));
s5 = vmulq_u32(s5, vmovl_u16(vget_high_u16(s16_5)));
s6 = vmulq_u32(s6, vmovl_u16(vget_high_u16(s16_6)));
s7 = vmulq_u32(s7, vmovl_u16(vget_high_u16(s16_7)));
p0 = vrshrq_n_u32(s0, SGRPROJ_RECIP_BITS);
p1 = vrshrq_n_u32(s1, SGRPROJ_RECIP_BITS);
p2 = vrshrq_n_u32(s2, SGRPROJ_RECIP_BITS);
p3 = vrshrq_n_u32(s3, SGRPROJ_RECIP_BITS);
p4 = vrshrq_n_u32(s4, SGRPROJ_RECIP_BITS);
p5 = vrshrq_n_u32(s5, SGRPROJ_RECIP_BITS);
p6 = vrshrq_n_u32(s6, SGRPROJ_RECIP_BITS);
p7 = vrshrq_n_u32(s7, SGRPROJ_RECIP_BITS);
store_s32_4x4(dst2, buf_stride, vreinterpretq_s32_u32(p0),
vreinterpretq_s32_u32(p1), vreinterpretq_s32_u32(p2),
vreinterpretq_s32_u32(p3));
store_s32_4x4(dst2 + 4, buf_stride, vreinterpretq_s32_u32(p4),
vreinterpretq_s32_u32(p5), vreinterpretq_s32_u32(p6),
vreinterpretq_s32_u32(p7));
}
static inline void boxsum2_square_sum_calc(
int16x4_t t1, int16x4_t t2, int16x4_t t3, int16x4_t t4, int16x4_t t5,
int16x4_t t6, int16x4_t t7, int16x4_t t8, int16x4_t t9, int16x4_t t10,
int16x4_t t11, int32x4_t *r0, int32x4_t *r1, int32x4_t *r2, int32x4_t *r3) {
int32x4_t d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11;
int32x4_t r12, r34, r67, r89, r1011;
int32x4_t r345, r6789, r789;
d1 = vmull_s16(t1, t1);
d2 = vmull_s16(t2, t2);
d3 = vmull_s16(t3, t3);
d4 = vmull_s16(t4, t4);
d5 = vmull_s16(t5, t5);
d6 = vmull_s16(t6, t6);
d7 = vmull_s16(t7, t7);
d8 = vmull_s16(t8, t8);
d9 = vmull_s16(t9, t9);
d10 = vmull_s16(t10, t10);
d11 = vmull_s16(t11, t11);
r12 = vaddq_s32(d1, d2);
r34 = vaddq_s32(d3, d4);
r67 = vaddq_s32(d6, d7);
r89 = vaddq_s32(d8, d9);
r1011 = vaddq_s32(d10, d11);
r345 = vaddq_s32(r34, d5);
r6789 = vaddq_s32(r67, r89);
r789 = vsubq_s32(r6789, d6);
*r0 = vaddq_s32(r12, r345);
*r1 = vaddq_s32(r67, r345);
*r2 = vaddq_s32(d5, r6789);
*r3 = vaddq_s32(r789, r1011);
}
static inline void boxsum2(int16_t *src,
const int src_stride, int16_t *dst16,
int32_t *dst32, int32_t *dst2,
const int dst_stride,
const int width,
const int height) {
assert(width > 2 * SGRPROJ_BORDER_HORZ);
assert(height > 2 * SGRPROJ_BORDER_VERT);
int16_t *dst1_16_ptr, *src_ptr;
int32_t *dst2_ptr;
int h, w, count = 0;
const int dst_stride_2 = (dst_stride << 1);
const int dst_stride_8 = (dst_stride << 3);
dst1_16_ptr = dst16;
dst2_ptr = dst2;
src_ptr = src;
w = width;
{
int16x8_t t1, t2, t3, t4, t5, t6, t7;
int16x8_t t8, t9, t10, t11, t12;
int16x8_t q12345, q56789, q34567, q7891011;
int16x8_t q12, q34, q67, q89, q1011;
int16x8_t q345, q6789, q789;
int32x4_t r12345, r56789, r34567, r7891011;
do {
h = height;
dst1_16_ptr = dst16 + (count << 3);
dst2_ptr = dst2 + (count << 3);
src_ptr = src + (count << 3);
dst1_16_ptr += dst_stride_2;
dst2_ptr += dst_stride_2;
do {
load_s16_8x4(src_ptr, src_stride, &t1, &t2, &t3, &t4);
src_ptr += 4 * src_stride;
load_s16_8x4(src_ptr, src_stride, &t5, &t6, &t7, &t8);
src_ptr += 4 * src_stride;
load_s16_8x4(src_ptr, src_stride, &t9, &t10, &t11, &t12);
q12 = vaddq_s16(t1, t2);
q34 = vaddq_s16(t3, t4);
q67 = vaddq_s16(t6, t7);
q89 = vaddq_s16(t8, t9);
q1011 = vaddq_s16(t10, t11);
q345 = vaddq_s16(q34, t5);
q6789 = vaddq_s16(q67, q89);
q789 = vaddq_s16(q89, t7);
q12345 = vaddq_s16(q12, q345);
q34567 = vaddq_s16(q67, q345);
q56789 = vaddq_s16(t5, q6789);
q7891011 = vaddq_s16(q789, q1011);
store_s16_8x4(dst1_16_ptr, dst_stride_2, q12345, q34567, q56789,
q7891011);
dst1_16_ptr += dst_stride_8;
boxsum2_square_sum_calc(
vget_low_s16(t1), vget_low_s16(t2), vget_low_s16(t3),
vget_low_s16(t4), vget_low_s16(t5), vget_low_s16(t6),
vget_low_s16(t7), vget_low_s16(t8), vget_low_s16(t9),
vget_low_s16(t10), vget_low_s16(t11), &r12345, &r34567, &r56789,
&r7891011);
store_s32_4x4(dst2_ptr, dst_stride_2, r12345, r34567, r56789, r7891011);
boxsum2_square_sum_calc(
vget_high_s16(t1), vget_high_s16(t2), vget_high_s16(t3),
vget_high_s16(t4), vget_high_s16(t5), vget_high_s16(t6),
vget_high_s16(t7), vget_high_s16(t8), vget_high_s16(t9),
vget_high_s16(t10), vget_high_s16(t11), &r12345, &r34567, &r56789,
&r7891011);
store_s32_4x4(dst2_ptr + 4, dst_stride_2, r12345, r34567, r56789,
r7891011);
dst2_ptr += (dst_stride_8);
h -= 8;
}
while (h > 0);
w -= 8;
count++;
}
while (w > 0);
// memset needed for row pixels as 2nd stage of boxsum filter uses
// first 2 rows of dst16, dst2 buffer which is not filled in first stage.
for (
int x = 0; x < 2; x++) {
memset(dst16 + x * dst_stride, 0, (width + 4) *
sizeof(*dst16));
memset(dst2 + x * dst_stride, 0, (width + 4) *
sizeof(*dst2));
}
// memset needed for extra columns as 2nd stage of boxsum filter uses
// last 2 columns of dst16, dst2 buffer which is not filled in first stage.
for (
int x = 2; x < height + 2; x++) {
int dst_offset = x * dst_stride + width + 2;
memset(dst16 + dst_offset, 0, 3 *
sizeof(*dst16));
memset(dst2 + dst_offset, 0, 3 *
sizeof(*dst2));
}
}
{
int16x4_t s1, s2, s3, s4, s5, s6, s7, s8;
int32x4_t d1, d2, d3, d4, d5, d6, d7, d8;
int32x4_t q12345, q34567, q23456, q45678;
int32x4_t q23, q45, q67;
int32x4_t q2345, q4567;
int32x4_t r12345, r34567, r23456, r45678;
int32x4_t r23, r45, r67;
int32x4_t r2345, r4567;
int32_t *src2_ptr, *dst1_32_ptr;
int16_t *src1_ptr;
count = 0;
h = height;
do {
dst1_32_ptr = dst32 + count * dst_stride_8 + (dst_stride_2);
dst2_ptr = dst2 + count * dst_stride_8 + (dst_stride_2);
src1_ptr = dst16 + count * dst_stride_8 + (dst_stride_2);
src2_ptr = dst2 + count * dst_stride_8 + (dst_stride_2);
w = width;
dst1_32_ptr += 2;
dst2_ptr += 2;
load_s16_4x4(src1_ptr, dst_stride_2, &s1, &s2, &s3, &s4);
transpose_elems_inplace_s16_4x4(&s1, &s2, &s3, &s4);
load_s32_4x4(src2_ptr, dst_stride_2, &d1, &d2, &d3, &d4);
transpose_elems_inplace_s32_4x4(&d1, &d2, &d3, &d4);
do {
src1_ptr += 4;
src2_ptr += 4;
load_s16_4x4(src1_ptr, dst_stride_2, &s5, &s6, &s7, &s8);
transpose_elems_inplace_s16_4x4(&s5, &s6, &s7, &s8);
load_s32_4x4(src2_ptr, dst_stride_2, &d5, &d6, &d7, &d8);
transpose_elems_inplace_s32_4x4(&d5, &d6, &d7, &d8);
q23 = vaddl_s16(s2, s3);
q45 = vaddl_s16(s4, s5);
q67 = vaddl_s16(s6, s7);
q2345 = vaddq_s32(q23, q45);
q4567 = vaddq_s32(q45, q67);
q12345 = vaddq_s32(vmovl_s16(s1), q2345);
q23456 = vaddq_s32(q2345, vmovl_s16(s6));
q34567 = vaddq_s32(q4567, vmovl_s16(s3));
q45678 = vaddq_s32(q4567, vmovl_s16(s8));
transpose_elems_inplace_s32_4x4(&q12345, &q23456, &q34567, &q45678);
store_s32_4x4(dst1_32_ptr, dst_stride_2, q12345, q23456, q34567,
q45678);
dst1_32_ptr += 4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
r23 = vaddq_s32(d2, d3);
r45 = vaddq_s32(d4, d5);
r67 = vaddq_s32(d6, d7);
r2345 = vaddq_s32(r23, r45);
r4567 = vaddq_s32(r45, r67);
r12345 = vaddq_s32(d1, r2345);
r23456 = vaddq_s32(r2345, d6);
r34567 = vaddq_s32(r4567, d3);
r45678 = vaddq_s32(r4567, d8);
transpose_elems_inplace_s32_4x4(&r12345, &r23456, &r34567, &r45678);
store_s32_4x4(dst2_ptr, dst_stride_2, r12345, r23456, r34567, r45678);
dst2_ptr += 4;
d1 = d5;
d2 = d6;
d3 = d7;
d4 = d8;
w -= 4;
}
while (w > 0);
h -= 8;
count++;
}
while (h > 0);
}
}
static inline void calc_ab_internal_lbd(int32_t *A, uint16_t *A16,
uint16_t *B16, int32_t *B,
const int buf_stride,
const int width,
const int height,
const int r,
const int s,
const int ht_inc) {
int32_t *src1, *dst2, count = 0;
uint16_t *dst_A16, *src2;
const uint32_t n = (2 * r + 1) * (2 * r + 1);
const uint32x4_t const_n_val = vdupq_n_u32(n);
const uint16x8_t sgrproj_sgr = vdupq_n_u16(SGRPROJ_SGR);
const uint16x4_t one_by_n_minus_1_vec = vdup_n_u16(av1_one_by_x[n - 1]);
const uint32x4_t const_val = vdupq_n_u32(255);
uint16x8_t s16_0, s16_1, s16_2, s16_3, s16_4, s16_5, s16_6, s16_7;
uint32x4_t s0, s1, s2, s3, s4, s5, s6, s7;
const uint32x4_t s_vec = vdupq_n_u32(s);
int w, h = height;
do {
dst_A16 = A16 + (count << 2) * buf_stride;
src1 = A + (count << 2) * buf_stride;
src2 = B16 + (count << 2) * buf_stride;
dst2 = B + (count << 2) * buf_stride;
w = width;
do {
load_u32_4x4((uint32_t *)src1, buf_stride, &s0, &s1, &s2, &s3);
load_u32_4x4((uint32_t *)src1 + 4, buf_stride, &s4, &s5, &s6, &s7);
load_u16_8x4(src2, buf_stride, &s16_0, &s16_1, &s16_2, &s16_3);
s16_4 = s16_0;
s16_5 = s16_1;
s16_6 = s16_2;
s16_7 = s16_3;
calc_ab_internal_common(
s0, s1, s2, s3, s4, s5, s6, s7, s16_0, s16_1, s16_2, s16_3, s16_4,
s16_5, s16_6, s16_7, const_n_val, s_vec, const_val,
one_by_n_minus_1_vec, sgrproj_sgr, src1, dst_A16, dst2, buf_stride);
w -= 8;
dst2 += 8;
src1 += 8;
src2 += 8;
dst_A16 += 8;
}
while (w > 0);
count++;
h -= (ht_inc * 4);
}
while (h > 0);
}
#if CONFIG_AV1_HIGHBITDEPTH
static inline void calc_ab_internal_hbd(int32_t *A, uint16_t *A16,
uint16_t *B16, int32_t *B,
const int buf_stride,
const int width,
const int height,
const int bit_depth,
const int r,
const int s,
const int ht_inc) {
int32_t *src1, *dst2, count = 0;
uint16_t *dst_A16, *src2;
const uint32_t n = (2 * r + 1) * (2 * r + 1);
const int16x8_t bd_min_2_vec = vdupq_n_s16(-(bit_depth - 8));
const int32x4_t bd_min_1_vec = vdupq_n_s32(-((bit_depth - 8) << 1));
const uint32x4_t const_n_val = vdupq_n_u32(n);
const uint16x8_t sgrproj_sgr = vdupq_n_u16(SGRPROJ_SGR);
const uint16x4_t one_by_n_minus_1_vec = vdup_n_u16(av1_one_by_x[n - 1]);
const uint32x4_t const_val = vdupq_n_u32(255);
int32x4_t sr0, sr1, sr2, sr3, sr4, sr5, sr6, sr7;
uint16x8_t s16_0, s16_1, s16_2, s16_3;
uint16x8_t s16_4, s16_5, s16_6, s16_7;
uint32x4_t s0, s1, s2, s3, s4, s5, s6, s7;
const uint32x4_t s_vec = vdupq_n_u32(s);
int w, h = height;
do {
src1 = A + (count << 2) * buf_stride;
src2 = B16 + (count << 2) * buf_stride;
dst2 = B + (count << 2) * buf_stride;
dst_A16 = A16 + (count << 2) * buf_stride;
w = width;
do {
load_s32_4x4(src1, buf_stride, &sr0, &sr1, &sr2, &sr3);
load_s32_4x4(src1 + 4, buf_stride, &sr4, &sr5, &sr6, &sr7);
load_u16_8x4(src2, buf_stride, &s16_0, &s16_1, &s16_2, &s16_3);
s0 = vrshlq_u32(vreinterpretq_u32_s32(sr0), bd_min_1_vec);
s1 = vrshlq_u32(vreinterpretq_u32_s32(sr1), bd_min_1_vec);
s2 = vrshlq_u32(vreinterpretq_u32_s32(sr2), bd_min_1_vec);
s3 = vrshlq_u32(vreinterpretq_u32_s32(sr3), bd_min_1_vec);
s4 = vrshlq_u32(vreinterpretq_u32_s32(sr4), bd_min_1_vec);
s5 = vrshlq_u32(vreinterpretq_u32_s32(sr5), bd_min_1_vec);
s6 = vrshlq_u32(vreinterpretq_u32_s32(sr6), bd_min_1_vec);
s7 = vrshlq_u32(vreinterpretq_u32_s32(sr7), bd_min_1_vec);
s16_4 = vrshlq_u16(s16_0, bd_min_2_vec);
s16_5 = vrshlq_u16(s16_1, bd_min_2_vec);
s16_6 = vrshlq_u16(s16_2, bd_min_2_vec);
s16_7 = vrshlq_u16(s16_3, bd_min_2_vec);
calc_ab_internal_common(
s0, s1, s2, s3, s4, s5, s6, s7, s16_0, s16_1, s16_2, s16_3, s16_4,
s16_5, s16_6, s16_7, const_n_val, s_vec, const_val,
one_by_n_minus_1_vec, sgrproj_sgr, src1, dst_A16, dst2, buf_stride);
w -= 8;
dst2 += 8;
src1 += 8;
src2 += 8;
dst_A16 += 8;
}
while (w > 0);
count++;
h -= (ht_inc * 4);
}
while (h > 0);
}
#endif // CONFIG_AV1_HIGHBITDEPTH
static inline void calc_ab_fast_internal_lbd(int32_t *A, uint16_t *A16,
int32_t *B,
const int buf_stride,
const int width,
const int height,
const int r,
const int s,
const int ht_inc) {
int32_t *src1, *src2, count = 0;
uint16_t *dst_A16;
const uint32_t n = (2 * r + 1) * (2 * r + 1);
const uint32x4_t const_n_val = vdupq_n_u32(n);
const uint16x4_t sgrproj_sgr = vdup_n_u16(SGRPROJ_SGR);
const uint32x4_t one_by_n_minus_1_vec = vdupq_n_u32(av1_one_by_x[n - 1]);
const uint32x4_t const_val = vdupq_n_u32(255);
int32x4_t sr0, sr1, sr2, sr3, sr4, sr5, sr6, sr7;
uint32x4_t s0, s1, s2, s3, s4, s5, s6, s7;
const uint32x4_t s_vec = vdupq_n_u32(s);
int w, h = height;
do {
src1 = A + (count << 2) * buf_stride;
src2 = B + (count << 2) * buf_stride;
dst_A16 = A16 + (count << 2) * buf_stride;
w = width;
do {
load_s32_4x4(src1, buf_stride, &sr0, &sr1, &sr2, &sr3);
load_s32_4x4(src2, buf_stride, &sr4, &sr5, &sr6, &sr7);
s0 = vreinterpretq_u32_s32(sr0);
s1 = vreinterpretq_u32_s32(sr1);
s2 = vreinterpretq_u32_s32(sr2);
s3 = vreinterpretq_u32_s32(sr3);
s4 = vreinterpretq_u32_s32(sr4);
s5 = vreinterpretq_u32_s32(sr5);
s6 = vreinterpretq_u32_s32(sr6);
s7 = vreinterpretq_u32_s32(sr7);
calc_ab_fast_internal_common(s0, s1, s2, s3, s4, s5, s6, s7, sr4, sr5,
sr6, sr7, const_n_val, s_vec, const_val,
one_by_n_minus_1_vec, sgrproj_sgr, src1,
dst_A16, src2, buf_stride);
w -= 4;
src1 += 4;
src2 += 4;
dst_A16 += 4;
}
while (w > 0);
count++;
h -= (ht_inc * 4);
}
while (h > 0);
}
#if CONFIG_AV1_HIGHBITDEPTH
static inline void calc_ab_fast_internal_hbd(int32_t *A, uint16_t *A16,
int32_t *B,
const int buf_stride,
const int width,
const int height,
const int bit_depth,
const int r,
const int s,
const int ht_inc) {
int32_t *src1, *src2, count = 0;
uint16_t *dst_A16;
const uint32_t n = (2 * r + 1) * (2 * r + 1);
const int32x4_t bd_min_2_vec = vdupq_n_s32(-(bit_depth - 8));
const int32x4_t bd_min_1_vec = vdupq_n_s32(-((bit_depth - 8) << 1));
const uint32x4_t const_n_val = vdupq_n_u32(n);
const uint16x4_t sgrproj_sgr = vdup_n_u16(SGRPROJ_SGR);
const uint32x4_t one_by_n_minus_1_vec = vdupq_n_u32(av1_one_by_x[n - 1]);
const uint32x4_t const_val = vdupq_n_u32(255);
int32x4_t sr0, sr1, sr2, sr3, sr4, sr5, sr6, sr7;
uint32x4_t s0, s1, s2, s3, s4, s5, s6, s7;
const uint32x4_t s_vec = vdupq_n_u32(s);
int w, h = height;
do {
src1 = A + (count << 2) * buf_stride;
src2 = B + (count << 2) * buf_stride;
dst_A16 = A16 + (count << 2) * buf_stride;
w = width;
do {
load_s32_4x4(src1, buf_stride, &sr0, &sr1, &sr2, &sr3);
load_s32_4x4(src2, buf_stride, &sr4, &sr5, &sr6, &sr7);
s0 = vrshlq_u32(vreinterpretq_u32_s32(sr0), bd_min_1_vec);
s1 = vrshlq_u32(vreinterpretq_u32_s32(sr1), bd_min_1_vec);
s2 = vrshlq_u32(vreinterpretq_u32_s32(sr2), bd_min_1_vec);
s3 = vrshlq_u32(vreinterpretq_u32_s32(sr3), bd_min_1_vec);
s4 = vrshlq_u32(vreinterpretq_u32_s32(sr4), bd_min_2_vec);
s5 = vrshlq_u32(vreinterpretq_u32_s32(sr5), bd_min_2_vec);
s6 = vrshlq_u32(vreinterpretq_u32_s32(sr6), bd_min_2_vec);
s7 = vrshlq_u32(vreinterpretq_u32_s32(sr7), bd_min_2_vec);
calc_ab_fast_internal_common(s0, s1, s2, s3, s4, s5, s6, s7, sr4, sr5,
sr6, sr7, const_n_val, s_vec, const_val,
one_by_n_minus_1_vec, sgrproj_sgr, src1,
dst_A16, src2, buf_stride);
w -= 4;
src1 += 4;
src2 += 4;
dst_A16 += 4;
}
while (w > 0);
count++;
h -= (ht_inc * 4);
}
while (h > 0);
}
#endif // CONFIG_AV1_HIGHBITDEPTH
static inline void boxsum1(int16_t *src,
const int src_stride, uint16_t *dst1,
int32_t *dst2,
const int dst_stride,
const int width,
const int height) {
assert(width > 2 * SGRPROJ_BORDER_HORZ);
assert(height > 2 * SGRPROJ_BORDER_VERT);
int16_t *src_ptr;
int32_t *dst2_ptr;
uint16_t *dst1_ptr;
int h, w, count = 0;
w = width;
{
int16x8_t s1, s2, s3, s4, s5, s6, s7, s8;
int16x8_t q23, q34, q56, q234, q345, q456, q567;
int32x4_t r23, r56, r345, r456, r567, r78, r678;
int32x4_t r4_low, r4_high, r34_low, r34_high, r234_low, r234_high;
int32x4_t r2, r3, r5, r6, r7, r8;
int16x8_t q678, q78;
do {
dst1_ptr = dst1 + (count << 3);
dst2_ptr = dst2 + (count << 3);
src_ptr = src + (count << 3);
h = height;
load_s16_8x4(src_ptr, src_stride, &s1, &s2, &s3, &s4);
src_ptr += 4 * src_stride;
q23 = vaddq_s16(s2, s3);
q234 = vaddq_s16(q23, s4);
q34 = vaddq_s16(s3, s4);
dst1_ptr += (dst_stride << 1);
r2 = vmull_s16(vget_low_s16(s2), vget_low_s16(s2));
r3 = vmull_s16(vget_low_s16(s3), vget_low_s16(s3));
r4_low = vmull_s16(vget_low_s16(s4), vget_low_s16(s4));
r23 = vaddq_s32(r2, r3);
r234_low = vaddq_s32(r23, r4_low);
r34_low = vaddq_s32(r3, r4_low);
r2 = vmull_s16(vget_high_s16(s2), vget_high_s16(s2));
r3 = vmull_s16(vget_high_s16(s3), vget_high_s16(s3));
r4_high = vmull_s16(vget_high_s16(s4), vget_high_s16(s4));
r23 = vaddq_s32(r2, r3);
r234_high = vaddq_s32(r23, r4_high);
r34_high = vaddq_s32(r3, r4_high);
dst2_ptr += (dst_stride << 1);
do {
load_s16_8x4(src_ptr, src_stride, &s5, &s6, &s7, &s8);
src_ptr += 4 * src_stride;
q345 = vaddq_s16(s5, q34);
q56 = vaddq_s16(s5, s6);
q456 = vaddq_s16(s4, q56);
q567 = vaddq_s16(s7, q56);
q78 = vaddq_s16(s7, s8);
q678 = vaddq_s16(s6, q78);
store_s16_8x4((int16_t *)dst1_ptr, dst_stride, q234, q345, q456, q567);
dst1_ptr += (dst_stride << 2);
s4 = s8;
q34 = q78;
q234 = q678;
r5 = vmull_s16(vget_low_s16(s5), vget_low_s16(s5));
r6 = vmull_s16(vget_low_s16(s6), vget_low_s16(s6));
r7 = vmull_s16(vget_low_s16(s7), vget_low_s16(s7));
r8 = vmull_s16(vget_low_s16(s8), vget_low_s16(s8));
r345 = vaddq_s32(r5, r34_low);
r56 = vaddq_s32(r5, r6);
r456 = vaddq_s32(r4_low, r56);
r567 = vaddq_s32(r7, r56);
r78 = vaddq_s32(r7, r8);
r678 = vaddq_s32(r6, r78);
store_s32_4x4(dst2_ptr, dst_stride, r234_low, r345, r456, r567);
r4_low = r8;
r34_low = r78;
r234_low = r678;
r5 = vmull_s16(vget_high_s16(s5), vget_high_s16(s5));
r6 = vmull_s16(vget_high_s16(s6), vget_high_s16(s6));
r7 = vmull_s16(vget_high_s16(s7), vget_high_s16(s7));
r8 = vmull_s16(vget_high_s16(s8), vget_high_s16(s8));
r345 = vaddq_s32(r5, r34_high);
r56 = vaddq_s32(r5, r6);
r456 = vaddq_s32(r4_high, r56);
r567 = vaddq_s32(r7, r56);
r78 = vaddq_s32(r7, r8);
r678 = vaddq_s32(r6, r78);
store_s32_4x4((dst2_ptr + 4), dst_stride, r234_high, r345, r456, r567);
dst2_ptr += (dst_stride << 2);
r4_high = r8;
r34_high = r78;
r234_high = r678;
h -= 4;
}
while (h > 0);
w -= 8;
count++;
}
while (w > 0);
// memset needed for row pixels as 2nd stage of boxsum filter uses
// first 2 rows of dst1, dst2 buffer which is not filled in first stage.
for (
int x = 0; x < 2; x++) {
memset(dst1 + x * dst_stride, 0, (width + 4) *
sizeof(*dst1));
memset(dst2 + x * dst_stride, 0, (width + 4) *
sizeof(*dst2));
}
// memset needed for extra columns as 2nd stage of boxsum filter uses
// last 2 columns of dst1, dst2 buffer which is not filled in first stage.
for (
int x = 2; x < height + 2; x++) {
int dst_offset = x * dst_stride + width + 2;
memset(dst1 + dst_offset, 0, 3 *
sizeof(*dst1));
memset(dst2 + dst_offset, 0, 3 *
sizeof(*dst2));
}
}
{
int16x4_t d1, d2, d3, d4, d5, d6, d7, d8;
int16x4_t q23, q34, q56, q234, q345, q456, q567;
int32x4_t r23, r56, r234, r345, r456, r567, r34, r78, r678;
int32x4_t r1, r2, r3, r4, r5, r6, r7, r8;
int16x4_t q678, q78;
int32_t *src2_ptr;
uint16_t *src1_ptr;
count = 0;
h = height;
w = width;
do {
dst1_ptr = dst1 + (count << 2) * dst_stride;
dst2_ptr = dst2 + (count << 2) * dst_stride;
src1_ptr = dst1 + (count << 2) * dst_stride;
src2_ptr = dst2 + (count << 2) * dst_stride;
w = width;
load_s16_4x4((int16_t *)src1_ptr, dst_stride, &d1, &d2, &d3, &d4);
transpose_elems_inplace_s16_4x4(&d1, &d2, &d3, &d4);
load_s32_4x4(src2_ptr, dst_stride, &r1, &r2, &r3, &r4);
transpose_elems_inplace_s32_4x4(&r1, &r2, &r3, &r4);
src1_ptr += 4;
src2_ptr += 4;
q23 = vadd_s16(d2, d3);
q234 = vadd_s16(q23, d4);
q34 = vadd_s16(d3, d4);
dst1_ptr += 2;
r23 = vaddq_s32(r2, r3);
r234 = vaddq_s32(r23, r4);
r34 = vaddq_s32(r3, r4);
dst2_ptr += 2;
do {
load_s16_4x4((int16_t *)src1_ptr, dst_stride, &d5, &d6, &d7, &d8);
transpose_elems_inplace_s16_4x4(&d5, &d6, &d7, &d8);
load_s32_4x4(src2_ptr, dst_stride, &r5, &r6, &r7, &r8);
transpose_elems_inplace_s32_4x4(&r5, &r6, &r7, &r8);
src1_ptr += 4;
src2_ptr += 4;
q345 = vadd_s16(d5, q34);
q56 = vadd_s16(d5, d6);
q456 = vadd_s16(d4, q56);
q567 = vadd_s16(d7, q56);
q78 = vadd_s16(d7, d8);
q678 = vadd_s16(d6, q78);
transpose_elems_inplace_s16_4x4(&q234, &q345, &q456, &q567);
store_s16_4x4((int16_t *)dst1_ptr, dst_stride, q234, q345, q456, q567);
dst1_ptr += 4;
d4 = d8;
q34 = q78;
q234 = q678;
r345 = vaddq_s32(r5, r34);
r56 = vaddq_s32(r5, r6);
r456 = vaddq_s32(r4, r56);
r567 = vaddq_s32(r7, r56);
r78 = vaddq_s32(r7, r8);
r678 = vaddq_s32(r6, r78);
transpose_elems_inplace_s32_4x4(&r234, &r345, &r456, &r567);
store_s32_4x4(dst2_ptr, dst_stride, r234, r345, r456, r567);
dst2_ptr += 4;
r4 = r8;
r34 = r78;
r234 = r678;
w -= 4;
}
while (w > 0);
h -= 4;
count++;
}
while (h > 0);
}
}
static inline int32x4_t cross_sum_inp_s32(int32_t *buf,
int buf_stride) {
int32x4_t xtr, xt, xtl, xl, x, xr, xbr, xb, xbl;
int32x4_t fours, threes, res;
xtl = vld1q_s32(buf - buf_stride - 1);
xt = vld1q_s32(buf - buf_stride);
xtr = vld1q_s32(buf - buf_stride + 1);
xl = vld1q_s32(buf - 1);
x = vld1q_s32(buf);
xr = vld1q_s32(buf + 1);
xbl = vld1q_s32(buf + buf_stride - 1);
xb = vld1q_s32(buf + buf_stride);
xbr = vld1q_s32(buf + buf_stride + 1);
fours = vaddq_s32(xl, vaddq_s32(xt, vaddq_s32(xr, vaddq_s32(xb, x))));
threes = vaddq_s32(xtl, vaddq_s32(xtr, vaddq_s32(xbr, xbl)));
res = vsubq_s32(vshlq_n_s32(vaddq_s32(fours, threes), 2), threes);
return res;
}
static inline void cross_sum_inp_u16(uint16_t *buf,
int buf_stride,
int32x4_t *a0, int32x4_t *a1) {
uint16x8_t xtr, xt, xtl, xl, x, xr, xbr, xb, xbl;
uint16x8_t r0, r1;
xtl = vld1q_u16(buf - buf_stride - 1);
xt = vld1q_u16(buf - buf_stride);
xtr = vld1q_u16(buf - buf_stride + 1);
xl = vld1q_u16(buf - 1);
x = vld1q_u16(buf);
xr = vld1q_u16(buf + 1);
xbl = vld1q_u16(buf + buf_stride - 1);
xb = vld1q_u16(buf + buf_stride);
xbr = vld1q_u16(buf + buf_stride + 1);
xb = vaddq_u16(xb, x);
xt = vaddq_u16(xt, xr);
xl = vaddq_u16(xl, xb);
xl = vaddq_u16(xl, xt);
r0 = vshlq_n_u16(xl, 2);
xbl = vaddq_u16(xbl, xbr);
xtl = vaddq_u16(xtl, xtr);
xtl = vaddq_u16(xtl, xbl);
r1 = vshlq_n_u16(xtl, 2);
r1 = vsubq_u16(r1, xtl);
*a0 = vreinterpretq_s32_u32(
vaddq_u32(vmovl_u16(vget_low_u16(r0)), vmovl_u16(vget_low_u16(r1))));
*a1 = vreinterpretq_s32_u32(
vaddq_u32(vmovl_u16(vget_high_u16(r0)), vmovl_u16(vget_high_u16(r1))));
}
static inline int32x4_t cross_sum_fast_even_row(int32_t *buf,
int buf_stride) {
int32x4_t xtr, xt, xtl, xbr, xb, xbl;
int32x4_t fives, sixes, fives_plus_sixes;
xtl = vld1q_s32(buf - buf_stride - 1);
xt = vld1q_s32(buf - buf_stride);
xtr = vld1q_s32(buf - buf_stride + 1);
xbl = vld1q_s32(buf + buf_stride - 1);
xb = vld1q_s32(buf + buf_stride);
xbr = vld1q_s32(buf + buf_stride + 1);
fives = vaddq_s32(xtl, vaddq_s32(xtr, vaddq_s32(xbr, xbl)));
sixes = vaddq_s32(xt, xb);
fives_plus_sixes = vaddq_s32(fives, sixes);
return vaddq_s32(
vaddq_s32(vshlq_n_s32(fives_plus_sixes, 2), fives_plus_sixes), sixes);
}
static inline void cross_sum_fast_even_row_inp16(uint16_t *buf,
int buf_stride,
int32x4_t *a0, int32x4_t *a1) {
uint16x8_t xtr, xt, xtl, xbr, xb, xbl, xb0;
xtl = vld1q_u16(buf - buf_stride - 1);
xt = vld1q_u16(buf - buf_stride);
xtr = vld1q_u16(buf - buf_stride + 1);
xbl = vld1q_u16(buf + buf_stride - 1);
xb = vld1q_u16(buf + buf_stride);
xbr = vld1q_u16(buf + buf_stride + 1);
xbr = vaddq_u16(xbr, xbl);
xtr = vaddq_u16(xtr, xtl);
xbr = vaddq_u16(xbr, xtr);
xtl = vshlq_n_u16(xbr, 2);
xbr = vaddq_u16(xtl, xbr);
xb = vaddq_u16(xb, xt);
xb0 = vshlq_n_u16(xb, 1);
xb = vshlq_n_u16(xb, 2);
xb = vaddq_u16(xb, xb0);
*a0 = vreinterpretq_s32_u32(
vaddq_u32(vmovl_u16(vget_low_u16(xbr)), vmovl_u16(vget_low_u16(xb))));
*a1 = vreinterpretq_s32_u32(
vaddq_u32(vmovl_u16(vget_high_u16(xbr)), vmovl_u16(vget_high_u16(xb))));
}
static inline int32x4_t cross_sum_fast_odd_row(int32_t *buf) {
int32x4_t xl, x, xr;
int32x4_t fives, sixes, fives_plus_sixes;
xl = vld1q_s32(buf - 1);
x = vld1q_s32(buf);
xr = vld1q_s32(buf + 1);
fives = vaddq_s32(xl, xr);
sixes = x;
fives_plus_sixes = vaddq_s32(fives, sixes);
return vaddq_s32(
vaddq_s32(vshlq_n_s32(fives_plus_sixes, 2), fives_plus_sixes), sixes);
}
static inline void cross_sum_fast_odd_row_inp16(uint16_t *buf, int32x4_t *a0,
int32x4_t *a1) {
uint16x8_t xl, x, xr;
uint16x8_t x0;
xl = vld1q_u16(buf - 1);
x = vld1q_u16(buf);
xr = vld1q_u16(buf + 1);
xl = vaddq_u16(xl, xr);
x0 = vshlq_n_u16(xl, 2);
xl = vaddq_u16(xl, x0);
x0 = vshlq_n_u16(x, 1);
x = vshlq_n_u16(x, 2);
x = vaddq_u16(x, x0);
*a0 = vreinterpretq_s32_u32(
vaddq_u32(vmovl_u16(vget_low_u16(xl)), vmovl_u16(vget_low_u16(x))));
*a1 = vreinterpretq_s32_u32(
vaddq_u32(vmovl_u16(vget_high_u16(xl)), vmovl_u16(vget_high_u16(x))));
}
static void final_filter_fast_internal(uint16_t *A, int32_t *B,
const int buf_stride, int16_t *src,
const int src_stride, int32_t *dst,
const int dst_stride,
const int width,
const int height) {
int16x8_t s0;
int32_t *B_tmp, *dst_ptr;
uint16_t *A_tmp;
int16_t *src_ptr;
int32x4_t a_res0, a_res1, b_res0, b_res1;
int w, h, count = 0;
assert(SGRPROJ_SGR_BITS == 8);
assert(SGRPROJ_RST_BITS == 4);
A_tmp = A;
B_tmp = B;
src_ptr = src;
dst_ptr = dst;
h = height;
do {
A_tmp = (A + count * buf_stride);
B_tmp = (B + count * buf_stride);
src_ptr = (src + count * src_stride);
dst_ptr = (dst + count * dst_stride);
w = width;
if (!(count & 1)) {
do {
s0 = vld1q_s16(src_ptr);
cross_sum_fast_even_row_inp16(A_tmp, buf_stride, &a_res0, &a_res1);
a_res0 = vmulq_s32(vmovl_s16(vget_low_s16(s0)), a_res0);
a_res1 = vmulq_s32(vmovl_s16(vget_high_s16(s0)), a_res1);
b_res0 = cross_sum_fast_even_row(B_tmp, buf_stride);
b_res1 = cross_sum_fast_even_row(B_tmp + 4, buf_stride);
a_res0 = vaddq_s32(a_res0, b_res0);
a_res1 = vaddq_s32(a_res1, b_res1);
a_res0 =
vrshrq_n_s32(a_res0, SGRPROJ_SGR_BITS + NB_EVEN - SGRPROJ_RST_BITS);
a_res1 =
vrshrq_n_s32(a_res1, SGRPROJ_SGR_BITS + NB_EVEN - SGRPROJ_RST_BITS);
vst1q_s32(dst_ptr, a_res0);
vst1q_s32(dst_ptr + 4, a_res1);
A_tmp += 8;
B_tmp += 8;
src_ptr += 8;
dst_ptr += 8;
w -= 8;
}
while (w > 0);
}
else {
do {
s0 = vld1q_s16(src_ptr);
cross_sum_fast_odd_row_inp16(A_tmp, &a_res0, &a_res1);
a_res0 = vmulq_s32(vmovl_s16(vget_low_s16(s0)), a_res0);
a_res1 = vmulq_s32(vmovl_s16(vget_high_s16(s0)), a_res1);
b_res0 = cross_sum_fast_odd_row(B_tmp);
b_res1 = cross_sum_fast_odd_row(B_tmp + 4);
a_res0 = vaddq_s32(a_res0, b_res0);
a_res1 = vaddq_s32(a_res1, b_res1);
a_res0 =
vrshrq_n_s32(a_res0, SGRPROJ_SGR_BITS + NB_ODD - SGRPROJ_RST_BITS);
a_res1 =
vrshrq_n_s32(a_res1, SGRPROJ_SGR_BITS + NB_ODD - SGRPROJ_RST_BITS);
vst1q_s32(dst_ptr, a_res0);
vst1q_s32(dst_ptr + 4, a_res1);
A_tmp += 8;
B_tmp += 8;
src_ptr += 8;
dst_ptr += 8;
w -= 8;
}
while (w > 0);
}
count++;
h -= 1;
}
while (h > 0);
}
static void final_filter_internal(uint16_t *A, int32_t *B,
const int buf_stride,
int16_t *src,
const int src_stride,
int32_t *dst,
const int dst_stride,
const int width,
const int height) {
int16x8_t s0;
int32_t *B_tmp, *dst_ptr;
uint16_t *A_tmp;
int16_t *src_ptr;
int32x4_t a_res0, a_res1, b_res0, b_res1;
int w, h, count = 0;
assert(SGRPROJ_SGR_BITS == 8);
assert(SGRPROJ_RST_BITS == 4);
h = height;
do {
A_tmp = (A + count * buf_stride);
B_tmp = (B + count * buf_stride);
src_ptr = (src + count * src_stride);
dst_ptr = (dst + count * dst_stride);
w = width;
do {
s0 = vld1q_s16(src_ptr);
cross_sum_inp_u16(A_tmp, buf_stride, &a_res0, &a_res1);
a_res0 = vmulq_s32(vmovl_s16(vget_low_s16(s0)), a_res0);
a_res1 = vmulq_s32(vmovl_s16(vget_high_s16(s0)), a_res1);
b_res0 = cross_sum_inp_s32(B_tmp, buf_stride);
b_res1 = cross_sum_inp_s32(B_tmp + 4, buf_stride);
a_res0 = vaddq_s32(a_res0, b_res0);
a_res1 = vaddq_s32(a_res1, b_res1);
a_res0 =
vrshrq_n_s32(a_res0, SGRPROJ_SGR_BITS + NB_EVEN - SGRPROJ_RST_BITS);
a_res1 =
vrshrq_n_s32(a_res1, SGRPROJ_SGR_BITS + NB_EVEN - SGRPROJ_RST_BITS);
vst1q_s32(dst_ptr, a_res0);
vst1q_s32(dst_ptr + 4, a_res1);
A_tmp += 8;
B_tmp += 8;
src_ptr += 8;
dst_ptr += 8;
w -= 8;
}
while (w > 0);
count++;
h -= 1;
}
while (h > 0);
}
static inline int restoration_fast_internal(uint16_t *dgd16,
int width,
int height,
int dgd_stride,
int32_t *dst,
int dst_stride,
int bit_depth,
int sgr_params_idx,
int radius_idx) {
const sgr_params_type *
const params = &av1_sgr_params[sgr_params_idx];
const int r = params->r[radius_idx];
const int width_ext = width + 2 * SGRPROJ_BORDER_HORZ;
const int height_ext = height + 2 * SGRPROJ_BORDER_VERT;
const int buf_stride = ((width_ext + 3) & ~3) + 16;
const size_t buf_size = 3 *
sizeof(int32_t) * RESTORATION_PROC_UNIT_PELS;
int32_t *buf = aom_memalign(8, buf_size);
if (!buf)
return -1;
int32_t *square_sum_buf = buf;
int32_t *sum_buf = square_sum_buf + RESTORATION_PROC_UNIT_PELS;
uint16_t *tmp16_buf = (uint16_t *)(sum_buf + RESTORATION_PROC_UNIT_PELS);
assert((
char *)(sum_buf + RESTORATION_PROC_UNIT_PELS) <=
(
char *)buf + buf_size &&
"Allocated buffer is too small. Resize the buffer.");
assert(r <= MAX_RADIUS &&
"Need MAX_RADIUS >= r");
assert(r <= SGRPROJ_BORDER_VERT - 1 && r <= SGRPROJ_BORDER_HORZ - 1 &&
"Need SGRPROJ_BORDER_* >= r+1");
assert(radius_idx == 0);
assert(r == 2);
// input(dgd16) is 16bit.
// sum of pixels 1st stage output will be in 16bit(tmp16_buf). End output is
// kept in 32bit [sum_buf]. sum of squares output is kept in 32bit
// buffer(square_sum_buf).
boxsum2((int16_t *)(dgd16 - dgd_stride * SGRPROJ_BORDER_VERT -
SGRPROJ_BORDER_HORZ),
dgd_stride, (int16_t *)tmp16_buf, sum_buf, square_sum_buf, buf_stride,
width_ext, height_ext);
square_sum_buf += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
sum_buf += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
tmp16_buf += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
// Calculation of a, b. a output is in 16bit tmp_buf which is in range of
// [1, 256] for all bit depths. b output is kept in 32bit buffer.
#if CONFIG_AV1_HIGHBITDEPTH
if (bit_depth > 8) {
calc_ab_fast_internal_hbd(
(square_sum_buf - buf_stride - 1), (tmp16_buf - buf_stride - 1),
(sum_buf - buf_stride - 1), buf_stride * 2, width + 2, height + 2,
bit_depth, r, params->s[radius_idx], 2);
}
else {
calc_ab_fast_internal_lbd(
(square_sum_buf - buf_stride - 1), (tmp16_buf - buf_stride - 1),
(sum_buf - buf_stride - 1), buf_stride * 2, width + 2, height + 2, r,
params->s[radius_idx], 2);
}
#else
(
void)bit_depth;
calc_ab_fast_internal_lbd((square_sum_buf - buf_stride - 1),
(tmp16_buf - buf_stride - 1),
(sum_buf - buf_stride - 1), buf_stride * 2,
width + 2, height + 2, r, params->s[radius_idx], 2);
#endif
final_filter_fast_internal(tmp16_buf, sum_buf, buf_stride, (int16_t *)dgd16,
dgd_stride, dst, dst_stride, width, height);
aom_free(buf);
return 0;
}
static inline int restoration_internal(uint16_t *dgd16,
int width,
int height,
int dgd_stride, int32_t *dst,
int dst_stride,
int bit_depth,
int sgr_params_idx,
int radius_idx) {
const sgr_params_type *
const params = &av1_sgr_params[sgr_params_idx];
const int r = params->r[radius_idx];
const int width_ext = width + 2 * SGRPROJ_BORDER_HORZ;
const int height_ext = height + 2 * SGRPROJ_BORDER_VERT;
const int buf_stride = ((width_ext + 3) & ~3) + 16;
const size_t buf_size = 3 *
sizeof(int32_t) * RESTORATION_PROC_UNIT_PELS;
int32_t *buf = aom_memalign(8, buf_size);
if (!buf)
return -1;
int32_t *square_sum_buf = buf;
int32_t *B = square_sum_buf + RESTORATION_PROC_UNIT_PELS;
uint16_t *A16 = (uint16_t *)(B + RESTORATION_PROC_UNIT_PELS);
uint16_t *sum_buf = A16 + RESTORATION_PROC_UNIT_PELS;
assert((
char *)(sum_buf + RESTORATION_PROC_UNIT_PELS) <=
(
char *)buf + buf_size &&
"Allocated buffer is too small. Resize the buffer.");
assert(r <= MAX_RADIUS &&
"Need MAX_RADIUS >= r");
assert(r <= SGRPROJ_BORDER_VERT - 1 && r <= SGRPROJ_BORDER_HORZ - 1 &&
"Need SGRPROJ_BORDER_* >= r+1");
assert(radius_idx == 1);
assert(r == 1);
// input(dgd16) is 16bit.
// sum of pixels output will be in 16bit(sum_buf).
// sum of squares output is kept in 32bit buffer(square_sum_buf).
boxsum1((int16_t *)(dgd16 - dgd_stride * SGRPROJ_BORDER_VERT -
SGRPROJ_BORDER_HORZ),
dgd_stride, sum_buf, square_sum_buf, buf_stride, width_ext,
height_ext);
square_sum_buf += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
B += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
A16 += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
sum_buf += SGRPROJ_BORDER_VERT * buf_stride + SGRPROJ_BORDER_HORZ;
#if CONFIG_AV1_HIGHBITDEPTH
// Calculation of a, b. a output is in 16bit tmp_buf which is in range of
// [1, 256] for all bit depths. b output is kept in 32bit buffer.
if (bit_depth > 8) {
calc_ab_internal_hbd((square_sum_buf - buf_stride - 1),
(A16 - buf_stride - 1), (sum_buf - buf_stride - 1),
(B - buf_stride - 1), buf_stride, width + 2,
height + 2, bit_depth, r, params->s[radius_idx], 1);
}
else {
calc_ab_internal_lbd((square_sum_buf - buf_stride - 1),
(A16 - buf_stride - 1), (sum_buf - buf_stride - 1),
(B - buf_stride - 1), buf_stride, width + 2,
height + 2, r, params->s[radius_idx], 1);
}
#else
(
void)bit_depth;
calc_ab_internal_lbd((square_sum_buf - buf_stride - 1),
(A16 - buf_stride - 1), (sum_buf - buf_stride - 1),
(B - buf_stride - 1), buf_stride, width + 2, height + 2,
r, params->s[radius_idx], 1);
#endif
final_filter_internal(A16, B, buf_stride, (int16_t *)dgd16, dgd_stride, dst,
dst_stride, width, height);
aom_free(buf);
return 0;
}
static inline void src_convert_u8_to_u16(
const uint8_t *src,
const int src_stride, uint16_t *dst,
const int dst_stride,
const int width,
const int height) {
const uint8_t *src_ptr;
uint16_t *dst_ptr;
int h, w, count = 0;
uint8x8_t t1, t2, t3, t4;
uint16x8_t s1, s2, s3, s4;
h = height;
do {
src_ptr = src + (count << 2) * src_stride;
dst_ptr = dst + (count << 2) * dst_stride;
w = width;
if (w >= 7) {
do {
load_u8_8x4(src_ptr, src_stride, &t1, &t2, &t3, &t4);
s1 = vmovl_u8(t1);
s2 = vmovl_u8(t2);
s3 = vmovl_u8(t3);
s4 = vmovl_u8(t4);
store_u16_8x4(dst_ptr, dst_stride, s1, s2, s3, s4);
src_ptr += 8;
dst_ptr += 8;
w -= 8;
}
while (w > 7);
}
for (
int y = 0; y < w; y++) {
dst_ptr[y] = src_ptr[y];
dst_ptr[y + 1 * dst_stride] = src_ptr[y + 1 * src_stride];
dst_ptr[y + 2 * dst_stride] = src_ptr[y + 2 * src_stride];
dst_ptr[y + 3 * dst_stride] = src_ptr[y + 3 * src_stride];
}
count++;
h -= 4;
}
while (h > 3);
src_ptr = src + (count << 2) * src_stride;
dst_ptr = dst + (count << 2) * dst_stride;
for (
int x = 0; x < h; x++) {
for (
int y = 0; y < width; y++) {
dst_ptr[y + x * dst_stride] = src_ptr[y + x * src_stride];
}
}
// memset uninitialized rows of src buffer as they are needed for the
// boxsum filter calculation.
for (
int x = height; x < height + 5; x++)
memset(dst + x * dst_stride, 0, (width + 2) *
sizeof(*dst));
}
#if CONFIG_AV1_HIGHBITDEPTH
static inline void src_convert_hbd_copy(
const uint16_t *src,
int src_stride,
uint16_t *dst,
const int dst_stride,
int width,
int height) {
const uint16_t *src_ptr;
uint16_t *dst_ptr;
int h, w, count = 0;
uint16x8_t s1, s2, s3, s4;
h = height;
do {
src_ptr = src + (count << 2) * src_stride;
dst_ptr = dst + (count << 2) * dst_stride;
w = width;
do {
load_u16_8x4(src_ptr, src_stride, &s1, &s2, &s3, &s4);
store_u16_8x4(dst_ptr, dst_stride, s1, s2, s3, s4);
src_ptr += 8;
dst_ptr += 8;
w -= 8;
}
while (w > 7);
for (
int y = 0; y < w; y++) {
dst_ptr[y] = src_ptr[y];
dst_ptr[y + 1 * dst_stride] = src_ptr[y + 1 * src_stride];
dst_ptr[y + 2 * dst_stride] = src_ptr[y + 2 * src_stride];
dst_ptr[y + 3 * dst_stride] = src_ptr[y + 3 * src_stride];
}
count++;
h -= 4;
}
while (h > 3);
src_ptr = src + (count << 2) * src_stride;
dst_ptr = dst + (count << 2) * dst_stride;
for (
int x = 0; x < h; x++) {
memcpy((dst_ptr + x * dst_stride), (src_ptr + x * src_stride),
sizeof(uint16_t) * width);
}
// memset uninitialized rows of src buffer as they are needed for the
// boxsum filter calculation.
for (
int x = height; x < height + 5; x++)
memset(dst + x * dst_stride, 0, (width + 2) *
sizeof(*dst));
}
#endif // CONFIG_AV1_HIGHBITDEPTH
int av1_selfguided_restoration_neon(
const uint8_t *dat8,
int width,
int height,
int stride, int32_t *flt0, int32_t *flt1,
int flt_stride,
int sgr_params_idx,
int bit_depth,
int highbd) {
const sgr_params_type *
const params = &av1_sgr_params[sgr_params_idx];
assert(!(params->r[0] == 0 && params->r[1] == 0));
uint16_t dgd16_[RESTORATION_PROC_UNIT_PELS];
const int dgd16_stride = width + 2 * SGRPROJ_BORDER_HORZ;
uint16_t *dgd16 =
dgd16_ + dgd16_stride * SGRPROJ_BORDER_VERT + SGRPROJ_BORDER_HORZ;
const int width_ext = width + 2 * SGRPROJ_BORDER_HORZ;
const int height_ext = height + 2 * SGRPROJ_BORDER_VERT;
const int dgd_stride = stride;
#if CONFIG_AV1_HIGHBITDEPTH
if (highbd) {
const uint16_t *dgd16_tmp = CONVERT_TO_SHORTPTR(dat8);
src_convert_hbd_copy(
dgd16_tmp - SGRPROJ_BORDER_VERT * dgd_stride - SGRPROJ_BORDER_HORZ,
dgd_stride,
dgd16 - SGRPROJ_BORDER_VERT * dgd16_stride - SGRPROJ_BORDER_HORZ,
dgd16_stride, width_ext, height_ext);
}
else {
src_convert_u8_to_u16(
dat8 - SGRPROJ_BORDER_VERT * dgd_stride - SGRPROJ_BORDER_HORZ,
dgd_stride,
dgd16 - SGRPROJ_BORDER_VERT * dgd16_stride - SGRPROJ_BORDER_HORZ,
dgd16_stride, width_ext, height_ext);
}
#else
(
void)highbd;
src_convert_u8_to_u16(
dat8 - SGRPROJ_BORDER_VERT * dgd_stride - SGRPROJ_BORDER_HORZ, dgd_stride,
dgd16 - SGRPROJ_BORDER_VERT * dgd16_stride - SGRPROJ_BORDER_HORZ,
dgd16_stride, width_ext, height_ext);
#endif
if (params->r[0] > 0) {
int ret =
restoration_fast_internal(dgd16, width, height, dgd16_stride, flt0,
flt_stride, bit_depth, sgr_params_idx, 0);
if (ret != 0)
return ret;
}
if (params->r[1] > 0) {
int ret = restoration_internal(dgd16, width, height, dgd16_stride, flt1,
flt_stride, bit_depth, sgr_params_idx, 1);
if (ret != 0)
return ret;
}
return 0;
}
int av1_apply_selfguided_restoration_neon(
const uint8_t *dat8,
int width,
int height,
int stride,
int eps,
const int *xqd, uint8_t *dst8,
int dst_stride, int32_t *tmpbuf,
int bit_depth,
int highbd) {
int32_t *flt0 = tmpbuf;
int32_t *flt1 = flt0 + RESTORATION_UNITPELS_MAX;
assert(width * height <= RESTORATION_UNITPELS_MAX);
uint16_t dgd16_[RESTORATION_PROC_UNIT_PELS];
const int dgd16_stride = width + 2 * SGRPROJ_BORDER_HORZ;
uint16_t *dgd16 =
dgd16_ + dgd16_stride * SGRPROJ_BORDER_VERT + SGRPROJ_BORDER_HORZ;
const int width_ext = width + 2 * SGRPROJ_BORDER_HORZ;
const int height_ext = height + 2 * SGRPROJ_BORDER_VERT;
const int dgd_stride = stride;
const sgr_params_type *
const params = &av1_sgr_params[eps];
int xq[2];
assert(!(params->r[0] == 0 && params->r[1] == 0));
#if CONFIG_AV1_HIGHBITDEPTH
if (highbd) {
const uint16_t *dgd16_tmp = CONVERT_TO_SHORTPTR(dat8);
src_convert_hbd_copy(
dgd16_tmp - SGRPROJ_BORDER_VERT * dgd_stride - SGRPROJ_BORDER_HORZ,
dgd_stride,
dgd16 - SGRPROJ_BORDER_VERT * dgd16_stride - SGRPROJ_BORDER_HORZ,
dgd16_stride, width_ext, height_ext);
}
else {
src_convert_u8_to_u16(
dat8 - SGRPROJ_BORDER_VERT * dgd_stride - SGRPROJ_BORDER_HORZ,
dgd_stride,
dgd16 - SGRPROJ_BORDER_VERT * dgd16_stride - SGRPROJ_BORDER_HORZ,
dgd16_stride, width_ext, height_ext);
}
#else
(
void)highbd;
src_convert_u8_to_u16(
dat8 - SGRPROJ_BORDER_VERT * dgd_stride - SGRPROJ_BORDER_HORZ, dgd_stride,
dgd16 - SGRPROJ_BORDER_VERT * dgd16_stride - SGRPROJ_BORDER_HORZ,
dgd16_stride, width_ext, height_ext);
#endif
if (params->r[0] > 0) {
int ret = restoration_fast_internal(dgd16, width, height, dgd16_stride,
flt0, width, bit_depth, eps, 0);
if (ret != 0)
return ret;
}
if (params->r[1] > 0) {
int ret = restoration_internal(dgd16, width, height, dgd16_stride, flt1,
width, bit_depth, eps, 1);
if (ret != 0)
return ret;
}
av1_decode_xq(xqd, xq, params);
{
int16_t *src_ptr;
uint8_t *dst_ptr;
#if CONFIG_AV1_HIGHBITDEPTH
uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst8);
uint16_t *dst16_ptr;
#endif
int16x4_t d0, d4;
int16x8_t r0, s0;
uint16x8_t r4;
int32x4_t u0, u4, v0, v4, f00, f10;
uint8x8_t t0;
int count = 0, w = width, h = height, rc = 0;
const int32x4_t xq0_vec = vdupq_n_s32(xq[0]);
const int32x4_t xq1_vec = vdupq_n_s32(xq[1]);
const int16x8_t zero = vdupq_n_s16(0);
const uint16x8_t max = vdupq_n_u16((1 << bit_depth) - 1);
src_ptr = (int16_t *)dgd16;
do {
w = width;
count = 0;
dst_ptr = dst8 + rc * dst_stride;
#if CONFIG_AV1_HIGHBITDEPTH
dst16_ptr = dst16 + rc * dst_stride;
#endif
do {
s0 = vld1q_s16(src_ptr + count);
u0 = vshll_n_s16(vget_low_s16(s0), SGRPROJ_RST_BITS);
u4 = vshll_n_s16(vget_high_s16(s0), SGRPROJ_RST_BITS);
v0 = vshlq_n_s32(u0, SGRPROJ_PRJ_BITS);
v4 = vshlq_n_s32(u4, SGRPROJ_PRJ_BITS);
if (params->r[0] > 0) {
f00 = vld1q_s32(flt0 + count);
f10 = vld1q_s32(flt0 + count + 4);
f00 = vsubq_s32(f00, u0);
f10 = vsubq_s32(f10, u4);
v0 = vmlaq_s32(v0, xq0_vec, f00);
v4 = vmlaq_s32(v4, xq0_vec, f10);
}
if (params->r[1] > 0) {
f00 = vld1q_s32(flt1 + count);
f10 = vld1q_s32(flt1 + count + 4);
f00 = vsubq_s32(f00, u0);
f10 = vsubq_s32(f10, u4);
v0 = vmlaq_s32(v0, xq1_vec, f00);
v4 = vmlaq_s32(v4, xq1_vec, f10);
}
d0 = vqrshrn_n_s32(v0, SGRPROJ_PRJ_BITS + SGRPROJ_RST_BITS);
d4 = vqrshrn_n_s32(v4, SGRPROJ_PRJ_BITS + SGRPROJ_RST_BITS);
r0 = vcombine_s16(d0, d4);
r4 = vreinterpretq_u16_s16(vmaxq_s16(r0, zero));
#if CONFIG_AV1_HIGHBITDEPTH
if (highbd) {
r4 = vminq_u16(r4, max);
vst1q_u16(dst16_ptr, r4);
dst16_ptr += 8;
}
else {
t0 = vqmovn_u16(r4);
vst1_u8(dst_ptr, t0);
dst_ptr += 8;
}
#else
(
void)max;
t0 = vqmovn_u16(r4);
vst1_u8(dst_ptr, t0);
dst_ptr += 8;
#endif
w -= 8;
count += 8;
}
while (w > 0);
src_ptr += dgd16_stride;
flt1 += width;
flt0 += width;
rc++;
h--;
}
while (h > 0);
}
return 0;
}
