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aomedia / aom / c144305a40b215482529d4408e3c72fb8b7f1122 / . / av1 / common / arm / highbd_inv_txfm_neon.c
blob: 9bd9c4a2ecf7f2cc0f73c27de233830fb2378dc7 [file] [log] [blame]
/*
* Copyright (c) 2020, 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 canzip
* 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 "av1/common/av1_inv_txfm1d_cfg.h"
#include "av1/common/idct.h"
#include "config/aom_config.h"
#include "config/av1_rtcd.h"
#if defined(__aarch64__)
#define TRANSPOSE_4X4(x0, x1, x2, x3, y0, y1, y2, y3) \
do { \
int32x4x2_t swap_low = vtrnq_s32(x0, x1); \
int32x4x2_t swap_high = vtrnq_s32(x2, x3); \
y0 = vreinterpretq_s32_s64( \
vzip1q_s64(vreinterpretq_s64_s32(swap_low.val[0]), \
vreinterpretq_s64_s32(swap_high.val[0]))); \
y1 = vreinterpretq_s32_s64( \
vzip1q_s64(vreinterpretq_s64_s32(swap_low.val[1]), \
vreinterpretq_s64_s32(swap_high.val[1]))); \
y2 = vreinterpretq_s32_s64( \
vzip2q_s64(vreinterpretq_s64_s32(swap_low.val[0]), \
vreinterpretq_s64_s32(swap_high.val[0]))); \
y3 = vreinterpretq_s32_s64( \
vzip2q_s64(vreinterpretq_s64_s32(swap_low.val[1]), \
vreinterpretq_s64_s32(swap_high.val[1]))); \
} while (0)
#else
#define TRANSPOSE_4X4(x0, x1, x2, x3, y0, y1, y2, y3) \
do { \
int32x4x2_t swap_low = vtrnq_s32(x0, x1); \
int32x4x2_t swap_high = vtrnq_s32(x2, x3); \
y0 = vextq_s32(vextq_s32(swap_low.val[0], swap_low.val[0], 2), \
swap_high.val[0], 2); \
y1 = vextq_s32(vextq_s32(swap_low.val[1], swap_low.val[1], 2), \
swap_high.val[1], 2); \
y2 = vextq_s32(swap_low.val[0], \
vextq_s32(swap_high.val[0], swap_high.val[0], 2), 2); \
y3 = vextq_s32(swap_low.val[1], \
vextq_s32(swap_high.val[1], swap_high.val[1], 2), 2); \
} while (0)
#endif // (__aarch64__)
static INLINE void transpose_8x8(const int32x4_t *in, int32x4_t *out) {
TRANSPOSE_4X4(in[0], in[2], in[4], in[6], out[0], out[2], out[4], out[6]);
TRANSPOSE_4X4(in[1], in[3], in[5], in[7], out[8], out[10], out[12], out[14]);
TRANSPOSE_4X4(in[8], in[10], in[12], in[14], out[1], out[3], out[5], out[7]);
TRANSPOSE_4X4(in[9], in[11], in[13], in[15], out[9], out[11], out[13],
out[15]);
}
static INLINE void av1_round_shift_array_32_neon(int32x4_t *input,
int32x4_t *output,
const int size,
const int bit) {
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
int i;
for (i = 0; i < size; i++) {
int32x4_t vradd = vaddq_s32(input[i], rnding);
output[i] = vshlq_s32(vradd, v_bit);
}
}
static INLINE void av1_round_shift_rect_array_32_neon(int32x4_t *input,
int32x4_t *output,
const int size,
const int bit,
const int val) {
const int32x4_t sqrt2 = vdupq_n_s32(val);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
const int32x4_t rnding2 = vdupq_n_s32(1 << (NewSqrt2Bits - 1));
int i;
if (bit > 0) {
for (i = 0; i < size; i++) {
int32x4_t vradd = vshlq_s32(input[i], rnding);
const int32x4_t r0 = vshlq_s32(vradd, v_bit);
const int32x4_t r1 = vmlaq_s32(rnding2, sqrt2, r0);
output[i] = vshrq_n_s32(r1, NewSqrt2Bits);
}
} else {
for (i = 0; i < size; i++) {
const int32x4_t r0 = vshlq_s32(input[i], v_bit);
const int32x4_t r1 = vmlaq_s32(rnding2, sqrt2, r0);
output[i] = vshrq_n_s32(r1, NewSqrt2Bits);
}
}
}
static INLINE int32x4_t half_btf_neon_r(const int32_t *n0, const int32x4_t *w0,
const int32_t *n1, const int32x4_t *w1,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t x;
x = vmlaq_n_s32(*rnding, *w0, *n0);
x = vmlaq_n_s32(x, *w1, *n1);
x = vshlq_s32(x, *v_bit);
return x;
}
static INLINE int32x4_t half_btf_neon_mode11_r(
const int32_t *n0, const int32x4_t *w0, const int32_t *n1,
const int32x4_t *w1, const int32x4_t *v_bit, const int32x4_t *rnding) {
int32x4_t x;
x = vmlaq_n_s32(*rnding, *w0, -*n0);
x = vmlaq_n_s32(x, *w1, -*n1);
x = vshlq_s32(x, *v_bit);
return x;
}
static INLINE int32x4_t half_btf_neon_mode01_r(
const int32_t *n0, const int32x4_t *w0, const int32_t *n1,
const int32x4_t *w1, const int32x4_t *v_bit, const int32x4_t *rnding) {
int32x4_t x;
x = vmlaq_n_s32(*rnding, *w0, *n0);
x = vmlsq_n_s32(x, *w1, *n1);
x = vshlq_s32(x, *v_bit);
return x;
}
static INLINE int32x4_t half_btf_neon_mode10_r(
const int32_t *n0, const int32x4_t *w0, const int32_t *n1,
const int32x4_t *w1, const int32x4_t *v_bit, const int32x4_t *rnding) {
int32x4_t x;
x = vmlaq_n_s32(*rnding, *w1, *n1);
x = vmlsq_n_s32(x, *w0, *n0);
x = vshlq_s32(x, *v_bit);
return x;
}
static INLINE int32x4_t half_btf_0_neon_r(const int32_t *n0,
const int32x4_t *w0,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t x;
x = vmlaq_n_s32(*rnding, *w0, *n0);
x = vshlq_s32(x, *v_bit);
return x;
}
static INLINE int32x4_t half_btf_0_m_neon_r(const int32_t *n0,
const int32x4_t *w0,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t x;
x = vmlaq_n_s32(*rnding, *w0, -*n0);
x = vshlq_s32(x, *v_bit);
return x;
}
static INLINE void flip_buf_neon(int32x4_t *in, int32x4_t *out, int size) {
for (int i = 0; i < size; ++i) {
out[size - i - 1] = in[i];
}
}
typedef void (*fwd_transform_1d_neon)(int32x4_t *in, int32x4_t *out, int bit,
const int num_cols);
typedef void (*transform_1d_neon)(int32x4_t *in, int32x4_t *out, int32_t bit,
int32_t do_cols, int32_t bd,
int32_t out_shift);
static INLINE uint16x8_t highbd_clamp_u16(uint16x8_t *u, const uint16x8_t *min,
const uint16x8_t *max) {
int16x8_t clamped;
clamped = vminq_s16(vreinterpretq_s16_u16(*u), vreinterpretq_s16_u16(*max));
clamped = vmaxq_s16(clamped, vreinterpretq_s16_u16(*min));
return vreinterpretq_u16_s16(clamped);
}
static INLINE void round_shift_4x4(int32x4_t *in, int shift,
const int32x4_t *rnding) {
if (shift != 0) {
const int32x4_t v_shift = vdupq_n_s32(-shift);
int32x4_t vradd = vaddq_s32(in[0], *rnding);
in[0] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[1], *rnding);
in[1] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[2], *rnding);
in[2] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[3], *rnding);
in[3] = vshlq_s32(vradd, v_shift);
}
}
static void round_shift_8x8(int32x4_t *in, int shift, const int32x4_t *rnding) {
if (shift != 0) {
const int32x4_t v_shift = vdupq_n_s32(-shift);
int32x4_t vradd = vaddq_s32(in[0], *rnding);
in[0] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[1], *rnding);
in[1] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[2], *rnding);
in[2] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[3], *rnding);
in[3] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[4], *rnding);
in[4] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[5], *rnding);
in[5] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[6], *rnding);
in[6] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[7], *rnding);
in[7] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[8], *rnding);
in[8] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[9], *rnding);
in[9] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[10], *rnding);
in[10] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[11], *rnding);
in[11] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[12], *rnding);
in[12] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[13], *rnding);
in[13] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[14], *rnding);
in[14] = vshlq_s32(vradd, v_shift);
vradd = vaddq_s32(in[15], *rnding);
in[15] = vshlq_s32(vradd, v_shift);
}
}
static void highbd_clamp_s32_neon(int32x4_t *in, int32x4_t *out,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi, int size) {
int32x4_t a0, a1;
for (int i = 0; i < size; i += 4) {
a0 = vmaxq_s32(in[i], *clamp_lo);
out[i] = vminq_s32(a0, *clamp_hi);
a1 = vmaxq_s32(in[i + 1], *clamp_lo);
out[i + 1] = vminq_s32(a1, *clamp_hi);
a0 = vmaxq_s32(in[i + 2], *clamp_lo);
out[i + 2] = vminq_s32(a0, *clamp_hi);
a1 = vmaxq_s32(in[i + 3], *clamp_lo);
out[i + 3] = vminq_s32(a1, *clamp_hi);
}
}
static INLINE uint16x8_t highbd_get_recon_8x8_neon(const uint16x8_t pred,
int32x4_t res0,
int32x4_t res1,
const int bd) {
const uint16x8_t v_zero = vdupq_n_u16(0);
int32x4_t min_clip_val = vreinterpretq_s32_u16(v_zero);
int32x4_t max_clip_val = vdupq_n_s32((1 << bd) - 1);
uint16x8x2_t x;
x.val[0] = vreinterpretq_u16_s32(
vaddw_s16(res0, vreinterpret_s16_u16(vget_low_u16(pred))));
x.val[1] = vreinterpretq_u16_s32(
vaddw_s16(res1, vreinterpret_s16_u16(vget_high_u16(pred))));
x.val[0] = vreinterpretq_u16_s32(
vmaxq_s32(vreinterpretq_s32_u16(x.val[0]), min_clip_val));
x.val[0] = vreinterpretq_u16_s32(
vminq_s32(vreinterpretq_s32_u16(x.val[0]), max_clip_val));
x.val[1] = vreinterpretq_u16_s32(
vmaxq_s32(vreinterpretq_s32_u16(x.val[1]), min_clip_val));
x.val[1] = vreinterpretq_u16_s32(
vminq_s32(vreinterpretq_s32_u16(x.val[1]), max_clip_val));
uint16x8_t res = vcombine_u16(vqmovn_u32(vreinterpretq_u32_u16(x.val[0])),
vqmovn_u32(vreinterpretq_u32_u16(x.val[1])));
return res;
}
static INLINE uint16x4_t highbd_get_recon_4xn_neon(uint16x4_t pred,
int32x4_t res0,
const int bd) {
uint16x4_t x0_ = vreinterpret_u16_s16(
vmovn_s32(vaddw_s16(res0, vreinterpret_s16_u16(pred))));
uint16x8_t x0 = vcombine_u16(x0_, x0_);
const uint16x8_t vmin = vdupq_n_u16(0);
const uint16x8_t vmax = vdupq_n_u16((1 << bd) - 1);
x0 = highbd_clamp_u16(&x0, &vmin, &vmax);
return vget_low_u16(x0);
}
static INLINE void highbd_write_buffer_4xn_neon(int32x4_t *in, uint16_t *output,
int stride, int flipud,
int height, const int bd) {
int j = flipud ? (height - 1) : 0;
const int step = flipud ? -1 : 1;
for (int i = 0; i < height; ++i, j += step) {
uint16x4_t v = vld1_u16(output + i * stride);
uint16x4_t u = highbd_get_recon_4xn_neon(v, in[j], bd);
vst1_u16(output + i * stride, u);
}
}
static INLINE void highbd_write_buffer_8xn_neon(int32x4_t *in, uint16_t *output,
int stride, int flipud,
int height, const int bd) {
int j = flipud ? (height - 1) : 0;
const int step = flipud ? -1 : 1;
for (int i = 0; i < height; ++i, j += step) {
uint16x8_t v = vld1q_u16(output + i * stride);
uint16x8_t u = highbd_get_recon_8x8_neon(v, in[j], in[j + height], bd);
vst1q_u16(output + i * stride, u);
}
}
static INLINE void load_buffer_32bit_input(const int32_t *in, int stride,
int32x4_t *out, int out_size) {
for (int i = 0; i < out_size; ++i) {
out[i] = vld1q_s32(in + i * stride);
}
}
static INLINE void load_buffer_4x4(const int32_t *coeff, int32x4_t *in) {
in[0] = vld1q_s32(coeff + 0);
in[1] = vld1q_s32(coeff + 4);
in[2] = vld1q_s32(coeff + 8);
in[3] = vld1q_s32(coeff + 12);
}
static void addsub_neon(const int32x4_t in0, const int32x4_t in1,
int32x4_t *out0, int32x4_t *out1,
const int32x4_t *clamp_lo, const int32x4_t *clamp_hi) {
int32x4_t a0 = vaddq_s32(in0, in1);
int32x4_t a1 = vsubq_s32(in0, in1);
a0 = vmaxq_s32(a0, *clamp_lo);
a0 = vminq_s32(a0, *clamp_hi);
a1 = vmaxq_s32(a1, *clamp_lo);
a1 = vminq_s32(a1, *clamp_hi);
*out0 = a0;
*out1 = a1;
}
static void shift_and_clamp_neon(int32x4_t *in0, int32x4_t *in1,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_shift) {
int32x4_t in0_w_offset = vrshlq_s32(*in0, *v_shift);
int32x4_t in1_w_offset = vrshlq_s32(*in1, *v_shift);
in0_w_offset = vmaxq_s32(in0_w_offset, *clamp_lo);
in0_w_offset = vminq_s32(in0_w_offset, *clamp_hi);
in1_w_offset = vmaxq_s32(in1_w_offset, *clamp_lo);
in1_w_offset = vminq_s32(in1_w_offset, *clamp_hi);
*in0 = in0_w_offset;
*in1 = in1_w_offset;
}
static INLINE void idct32_stage4_neon(int32x4_t *bf1, const int32_t *cospi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t temp1, temp2;
temp1 = half_btf_neon_mode10_r(&cospi[8], &bf1[17], &cospi[56], &bf1[30],
v_bit, rnding);
bf1[30] =
half_btf_neon_r(&cospi[56], &bf1[17], &cospi[8], &bf1[30], v_bit, rnding);
bf1[17] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[56], &bf1[18], &cospi[8], &bf1[29],
v_bit, rnding);
bf1[29] = half_btf_neon_mode10_r(&cospi[8], &bf1[18], &cospi[56], &bf1[29],
v_bit, rnding);
bf1[18] = temp2;
temp1 = half_btf_neon_mode10_r(&cospi[40], &bf1[21], &cospi[24], &bf1[26],
v_bit, rnding);
bf1[26] = half_btf_neon_r(&cospi[24], &bf1[21], &cospi[40], &bf1[26], v_bit,
rnding);
bf1[21] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[24], &bf1[22], &cospi[40], &bf1[25],
v_bit, rnding);
bf1[25] = half_btf_neon_mode10_r(&cospi[40], &bf1[22], &cospi[24], &bf1[25],
v_bit, rnding);
bf1[22] = temp2;
}
static INLINE void idct32_stage5_neon(int32x4_t *bf1, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t temp1, temp2;
temp1 = half_btf_neon_mode10_r(&cospi[16], &bf1[9], &cospi[48], &bf1[14],
v_bit, rnding);
bf1[14] =
half_btf_neon_r(&cospi[48], &bf1[9], &cospi[16], &bf1[14], v_bit, rnding);
bf1[9] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[48], &bf1[10], &cospi[16], &bf1[13],
v_bit, rnding);
bf1[13] = half_btf_neon_mode10_r(&cospi[16], &bf1[10], &cospi[48], &bf1[13],
v_bit, rnding);
bf1[10] = temp2;
addsub_neon(bf1[16], bf1[19], bf1 + 16, bf1 + 19, clamp_lo, clamp_hi);
addsub_neon(bf1[17], bf1[18], bf1 + 17, bf1 + 18, clamp_lo, clamp_hi);
addsub_neon(bf1[23], bf1[20], bf1 + 23, bf1 + 20, clamp_lo, clamp_hi);
addsub_neon(bf1[22], bf1[21], bf1 + 22, bf1 + 21, clamp_lo, clamp_hi);
addsub_neon(bf1[24], bf1[27], bf1 + 24, bf1 + 27, clamp_lo, clamp_hi);
addsub_neon(bf1[25], bf1[26], bf1 + 25, bf1 + 26, clamp_lo, clamp_hi);
addsub_neon(bf1[31], bf1[28], bf1 + 31, bf1 + 28, clamp_lo, clamp_hi);
addsub_neon(bf1[30], bf1[29], bf1 + 30, bf1 + 29, clamp_lo, clamp_hi);
}
static INLINE void idct32_stage6_neon(int32x4_t *bf1, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t temp1, temp2;
temp1 = half_btf_neon_mode10_r(&cospi[32], &bf1[5], &cospi[32], &bf1[6],
v_bit, rnding);
bf1[6] =
half_btf_neon_r(&cospi[32], &bf1[5], &cospi[32], &bf1[6], v_bit, rnding);
bf1[5] = temp1;
addsub_neon(bf1[8], bf1[11], bf1 + 8, bf1 + 11, clamp_lo, clamp_hi);
addsub_neon(bf1[9], bf1[10], bf1 + 9, bf1 + 10, clamp_lo, clamp_hi);
addsub_neon(bf1[15], bf1[12], bf1 + 15, bf1 + 12, clamp_lo, clamp_hi);
addsub_neon(bf1[14], bf1[13], bf1 + 14, bf1 + 13, clamp_lo, clamp_hi);
temp1 = half_btf_neon_mode10_r(&cospi[16], &bf1[18], &cospi[48], &bf1[29],
v_bit, rnding);
bf1[29] = half_btf_neon_r(&cospi[48], &bf1[18], &cospi[16], &bf1[29], v_bit,
rnding);
bf1[18] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[16], &bf1[19], &cospi[48], &bf1[28],
v_bit, rnding);
bf1[28] = half_btf_neon_r(&cospi[48], &bf1[19], &cospi[16], &bf1[28], v_bit,
rnding);
bf1[19] = temp2;
temp1 = half_btf_neon_mode11_r(&cospi[48], &bf1[20], &cospi[16], &bf1[27],
v_bit, rnding);
bf1[27] = half_btf_neon_mode10_r(&cospi[16], &bf1[20], &cospi[48], &bf1[27],
v_bit, rnding);
bf1[20] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[48], &bf1[21], &cospi[16], &bf1[26],
v_bit, rnding);
bf1[26] = half_btf_neon_mode10_r(&cospi[16], &bf1[21], &cospi[48], &bf1[26],
v_bit, rnding);
bf1[21] = temp2;
}
static INLINE void idct32_stage7_neon(int32x4_t *bf1, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t temp1, temp2;
addsub_neon(bf1[0], bf1[7], bf1 + 0, bf1 + 7, clamp_lo, clamp_hi);
addsub_neon(bf1[1], bf1[6], bf1 + 1, bf1 + 6, clamp_lo, clamp_hi);
addsub_neon(bf1[2], bf1[5], bf1 + 2, bf1 + 5, clamp_lo, clamp_hi);
addsub_neon(bf1[3], bf1[4], bf1 + 3, bf1 + 4, clamp_lo, clamp_hi);
temp1 = half_btf_neon_mode10_r(&cospi[32], &bf1[10], &cospi[32], &bf1[13],
v_bit, rnding);
bf1[13] = half_btf_neon_r(&cospi[32], &bf1[10], &cospi[32], &bf1[13], v_bit,
rnding);
bf1[10] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[32], &bf1[11], &cospi[32], &bf1[12],
v_bit, rnding);
bf1[12] = half_btf_neon_r(&cospi[32], &bf1[11], &cospi[32], &bf1[12], v_bit,
rnding);
bf1[11] = temp2;
addsub_neon(bf1[16], bf1[23], bf1 + 16, bf1 + 23, clamp_lo, clamp_hi);
addsub_neon(bf1[17], bf1[22], bf1 + 17, bf1 + 22, clamp_lo, clamp_hi);
addsub_neon(bf1[18], bf1[21], bf1 + 18, bf1 + 21, clamp_lo, clamp_hi);
addsub_neon(bf1[19], bf1[20], bf1 + 19, bf1 + 20, clamp_lo, clamp_hi);
addsub_neon(bf1[31], bf1[24], bf1 + 31, bf1 + 24, clamp_lo, clamp_hi);
addsub_neon(bf1[30], bf1[25], bf1 + 30, bf1 + 25, clamp_lo, clamp_hi);
addsub_neon(bf1[29], bf1[26], bf1 + 29, bf1 + 26, clamp_lo, clamp_hi);
addsub_neon(bf1[28], bf1[27], bf1 + 28, bf1 + 27, clamp_lo, clamp_hi);
}
static INLINE void idct32_stage8_neon(int32x4_t *bf1, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t temp1, temp2;
addsub_neon(bf1[0], bf1[15], bf1 + 0, bf1 + 15, clamp_lo, clamp_hi);
addsub_neon(bf1[1], bf1[14], bf1 + 1, bf1 + 14, clamp_lo, clamp_hi);
addsub_neon(bf1[2], bf1[13], bf1 + 2, bf1 + 13, clamp_lo, clamp_hi);
addsub_neon(bf1[3], bf1[12], bf1 + 3, bf1 + 12, clamp_lo, clamp_hi);
addsub_neon(bf1[4], bf1[11], bf1 + 4, bf1 + 11, clamp_lo, clamp_hi);
addsub_neon(bf1[5], bf1[10], bf1 + 5, bf1 + 10, clamp_lo, clamp_hi);
addsub_neon(bf1[6], bf1[9], bf1 + 6, bf1 + 9, clamp_lo, clamp_hi);
addsub_neon(bf1[7], bf1[8], bf1 + 7, bf1 + 8, clamp_lo, clamp_hi);
temp1 = half_btf_neon_mode10_r(&cospi[32], &bf1[20], &cospi[32], &bf1[27],
v_bit, rnding);
bf1[27] = half_btf_neon_r(&cospi[32], &bf1[20], &cospi[32], &bf1[27], v_bit,
rnding);
bf1[20] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[32], &bf1[21], &cospi[32], &bf1[26],
v_bit, rnding);
bf1[26] = half_btf_neon_r(&cospi[32], &bf1[21], &cospi[32], &bf1[26], v_bit,
rnding);
bf1[21] = temp2;
temp1 = half_btf_neon_mode10_r(&cospi[32], &bf1[22], &cospi[32], &bf1[25],
v_bit, rnding);
bf1[25] = half_btf_neon_r(&cospi[32], &bf1[22], &cospi[32], &bf1[25], v_bit,
rnding);
bf1[22] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[32], &bf1[23], &cospi[32], &bf1[24],
v_bit, rnding);
bf1[24] = half_btf_neon_r(&cospi[32], &bf1[23], &cospi[32], &bf1[24], v_bit,
rnding);
bf1[23] = temp2;
}
static INLINE void idct32_stage9_neon(int32x4_t *bf1, int32x4_t *out,
const int do_cols, const int bd,
const int out_shift,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi) {
addsub_neon(bf1[0], bf1[31], out + 0, out + 31, clamp_lo, clamp_hi);
addsub_neon(bf1[1], bf1[30], out + 1, out + 30, clamp_lo, clamp_hi);
addsub_neon(bf1[2], bf1[29], out + 2, out + 29, clamp_lo, clamp_hi);
addsub_neon(bf1[3], bf1[28], out + 3, out + 28, clamp_lo, clamp_hi);
addsub_neon(bf1[4], bf1[27], out + 4, out + 27, clamp_lo, clamp_hi);
addsub_neon(bf1[5], bf1[26], out + 5, out + 26, clamp_lo, clamp_hi);
addsub_neon(bf1[6], bf1[25], out + 6, out + 25, clamp_lo, clamp_hi);
addsub_neon(bf1[7], bf1[24], out + 7, out + 24, clamp_lo, clamp_hi);
addsub_neon(bf1[8], bf1[23], out + 8, out + 23, clamp_lo, clamp_hi);
addsub_neon(bf1[9], bf1[22], out + 9, out + 22, clamp_lo, clamp_hi);
addsub_neon(bf1[10], bf1[21], out + 10, out + 21, clamp_lo, clamp_hi);
addsub_neon(bf1[11], bf1[20], out + 11, out + 20, clamp_lo, clamp_hi);
addsub_neon(bf1[12], bf1[19], out + 12, out + 19, clamp_lo, clamp_hi);
addsub_neon(bf1[13], bf1[18], out + 13, out + 18, clamp_lo, clamp_hi);
addsub_neon(bf1[14], bf1[17], out + 14, out + 17, clamp_lo, clamp_hi);
addsub_neon(bf1[15], bf1[16], out + 15, out + 16, clamp_lo, clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t rnding = vdupq_n_s32(1 << (out_shift - 1));
for (int i = 0; i < 32; i += 8) {
round_shift_4x4(out + i, out_shift, &rnding);
round_shift_4x4(out + i + 4, out_shift, &rnding);
}
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 32);
}
}
static void neg_shift_neon(const int32x4_t *in0, const int32x4_t *in1,
int32x4_t *out0, int32x4_t *out1,
const int32x4_t *clamp_lo, const int32x4_t *clamp_hi,
const int32x4_t *v_shift, int32x4_t *offset) {
int32x4_t a0 = vaddq_s32(*offset, *in0);
int32x4_t a1 = vsubq_s32(*offset, *in1);
a0 = vshlq_s32(a0, *v_shift);
a1 = vshlq_s32(a1, *v_shift);
a0 = vmaxq_s32(a0, *clamp_lo);
a0 = vminq_s32(a0, *clamp_hi);
a1 = vmaxq_s32(a1, *clamp_lo);
a1 = vminq_s32(a1, *clamp_hi);
*out0 = a0;
*out1 = a1;
}
static void idct4x4_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
int32x4_t u0, u1, u2, u3;
int32x4_t v0, v1, v2, v3, x, y;
// Stage 0-1-2
TRANSPOSE_4X4(in[0], in[1], in[2], in[3], u0, u1, u2, u3);
const int32x4_t v_bit = vdupq_n_s32(-bit);
x = vmlaq_n_s32(rnding, u0, cospi[32]);
y = vmulq_n_s32(u2, cospi[32]);
v0 = vaddq_s32(x, y);
v0 = vshlq_s32(v0, v_bit);
v1 = vsubq_s32(x, y);
v1 = vshlq_s32(v1, v_bit);
x = vmlaq_n_s32(rnding, u1, cospi[48]);
v2 = vmlsq_n_s32(x, u3, cospi[16]);
v2 = vshlq_s32(v2, v_bit);
x = vmlaq_n_s32(rnding, u1, cospi[16]);
v3 = vmlaq_n_s32(x, u3, cospi[48]);
v3 = vshlq_s32(v3, v_bit);
// Stage 3
addsub_neon(v0, v3, out + 0, out + 3, &clamp_lo, &clamp_hi);
addsub_neon(v1, v2, out + 1, out + 2, &clamp_lo, &clamp_hi);
if (!do_cols) {
log_range = AOMMAX(16, bd + 6);
clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
shift_and_clamp_neon(out + 0, out + 3, &clamp_lo, &clamp_hi, &v_shift);
shift_and_clamp_neon(out + 1, out + 2, &clamp_lo, &clamp_hi, &v_shift);
}
}
static void iadst4x4_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *sinpi = sinpi_arr(bit);
const int32x4_t zero = vdupq_n_s32(0);
int64x2_t rnding = vdupq_n_s64(1 << (bit + 4 - 1));
const int32x2_t mul = vdup_n_s32(1 << 4);
int32x4_t t;
int32x4_t s0, s1, s2, s3, s4, s5, s6, s7;
int32x4_t x0, x1, x2, x3;
int32x4_t u0, u1, u2, u3;
TRANSPOSE_4X4(in[0], in[1], in[2], in[3], x0, x1, x2, x3);
s0 = vmulq_n_s32(x0, sinpi[1]);
s1 = vmulq_n_s32(x0, sinpi[2]);
s2 = vmulq_n_s32(x1, sinpi[3]);
s3 = vmulq_n_s32(x2, sinpi[4]);
s4 = vmulq_n_s32(x2, sinpi[1]);
s5 = vmulq_n_s32(x3, sinpi[2]);
s6 = vmulq_n_s32(x3, sinpi[4]);
t = vsubq_s32(x0, x2);
s7 = vaddq_s32(t, x3);
t = vaddq_s32(s0, s3);
s0 = vaddq_s32(t, s5);
t = vsubq_s32(s1, s4);
s1 = vsubq_s32(t, s6);
s3 = s2;
s2 = vmulq_n_s32(s7, sinpi[3]);
u0 = vaddq_s32(s0, s3);
u1 = vaddq_s32(s1, s3);
u2 = s2;
t = vaddq_s32(s0, s1);
u3 = vsubq_s32(t, s3);
// u0
int32x4x2_t u0x;
u0x.val[0] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u0)), mul));
u0x.val[0] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u0x.val[0]), rnding));
u0 = vextq_s32(u0, zero, 1);
u0x.val[1] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u0)), mul));
u0x.val[1] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u0x.val[1]), rnding));
u0x.val[0] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u0x.val[0]), vreinterpretq_s16_s32(zero), 1));
u0x.val[1] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u0x.val[1]), vreinterpretq_s16_s32(zero), 1));
u0x = vzipq_s32(u0x.val[0], u0x.val[1]);
#if defined(__aarch64__)
u0 = vreinterpretq_s32_s64(vzip1q_s64(vreinterpretq_s64_s32(u0x.val[0]),
vreinterpretq_s64_s32(u0x.val[1])));
#else
u0 = vcombine_s32(vget_low_s32(u0x.val[0]), vget_low_s32(u0x.val[1]));
#endif // (__aarch64__)
// u1
int32x4x2_t u1x;
u1x.val[0] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u1)), mul));
u1x.val[0] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u1x.val[0]), rnding));
u1 = vextq_s32(u1, zero, 1);
u1x.val[1] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u1)), mul));
u1x.val[1] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u1x.val[1]), rnding));
u1x.val[0] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u1x.val[0]), vreinterpretq_s16_s32(zero), 1));
u1x.val[1] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u1x.val[1]), vreinterpretq_s16_s32(zero), 1));
u1x = vzipq_s32(u1x.val[0], u1x.val[1]);
#if defined(__aarch64__)
u1 = vreinterpretq_s32_s64(vzip1q_s64(vreinterpretq_s64_s32(u1x.val[0]),
vreinterpretq_s64_s32(u1x.val[1])));
#else
u1 = vcombine_s32(vget_low_s32(u1x.val[0]), vget_low_s32(u1x.val[1]));
#endif // (__aarch64__)
// u2
int32x4x2_t u2x;
u2x.val[0] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u2)), mul));
u2x.val[0] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u2x.val[0]), rnding));
u2 = vextq_s32(u2, zero, 1);
u2x.val[1] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u2)), mul));
u2x.val[1] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u2x.val[1]), rnding));
u2x.val[0] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u2x.val[0]), vreinterpretq_s16_s32(zero), 1));
u2x.val[1] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u2x.val[1]), vreinterpretq_s16_s32(zero), 1));
u2x = vzipq_s32(u2x.val[0], u2x.val[1]);
#if defined(__aarch64__)
u2 = vreinterpretq_s32_s64(vzip1q_s64(vreinterpretq_s64_s32(u2x.val[0]),
vreinterpretq_s64_s32(u2x.val[1])));
#else
u2 = vcombine_s32(vget_low_s32(u2x.val[0]), vget_low_s32(u2x.val[1]));
#endif // (__aarch64__)
// u3
int32x4x2_t u3x;
u3x.val[0] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u3)), mul));
u3x.val[0] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u3x.val[0]), rnding));
u3 = vextq_s32(u3, zero, 1);
u3x.val[1] = vreinterpretq_s32_s64(
vmull_s32(vmovn_s64(vreinterpretq_s64_s32(u3)), mul));
u3x.val[1] = vreinterpretq_s32_s64(
vaddq_s64(vreinterpretq_s64_s32(u3x.val[1]), rnding));
u3x.val[0] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u3x.val[0]), vreinterpretq_s16_s32(zero), 1));
u3x.val[1] = vreinterpretq_s32_s16(vextq_s16(
vreinterpretq_s16_s32(u3x.val[1]), vreinterpretq_s16_s32(zero), 1));
u3x = vzipq_s32(u3x.val[0], u3x.val[1]);
#if defined(__aarch64__)
u3 = vreinterpretq_s32_s64(vzip1q_s64(vreinterpretq_s64_s32(u3x.val[0]),
vreinterpretq_s64_s32(u3x.val[1])));
#else
u3 = vcombine_s32(vget_low_s32(u3x.val[0]), vget_low_s32(u3x.val[1]));
#endif // (__aarch64__)
out[0] = u0;
out[1] = u1;
out[2] = u2;
out[3] = u3;
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t rnding32 = vdupq_n_s32(1 << (out_shift - 1));
round_shift_4x4(out, out_shift, &rnding32);
highbd_clamp_s32_neon(out, out, &clamp_lo, &clamp_hi, 4);
}
}
static void write_buffer_4x4(int32x4_t *in, uint16_t *output, int stride,
int fliplr, int flipud, int shift, int bd) {
uint32x4_t u0, u1, u2, u3;
uint16x4_t v0, v1, v2, v3;
const int32x4_t rnding = vdupq_n_s32(1 << (shift - 1));
round_shift_4x4(in, shift, &rnding);
v0 = vld1_u16(output + 0 * stride);
v1 = vld1_u16(output + 1 * stride);
v2 = vld1_u16(output + 2 * stride);
v3 = vld1_u16(output + 3 * stride);
if (fliplr) {
u0 = vrev64q_u32(vreinterpretq_u32_s32(in[0]));
in[0] = vreinterpretq_s32_u32(vextq_u32(u0, u0, 2));
u0 = vrev64q_u32(vreinterpretq_u32_s32(in[1]));
in[1] = vreinterpretq_s32_u32(vextq_u32(u0, u0, 2));
u0 = vrev64q_u32(vreinterpretq_u32_s32(in[2]));
in[2] = vreinterpretq_s32_u32(vextq_u32(u0, u0, 2));
u0 = vrev64q_u32(vreinterpretq_u32_s32(in[3]));
in[3] = vreinterpretq_s32_u32(vextq_u32(u0, u0, 2));
}
if (flipud) {
u0 = vaddw_u16(vreinterpretq_u32_s32(in[3]), v0);
u1 = vaddw_u16(vreinterpretq_u32_s32(in[2]), v1);
u2 = vaddw_u16(vreinterpretq_u32_s32(in[1]), v2);
u3 = vaddw_u16(vreinterpretq_u32_s32(in[0]), v3);
} else {
u0 = vaddw_u16(vreinterpretq_u32_s32(in[0]), v0);
u1 = vaddw_u16(vreinterpretq_u32_s32(in[1]), v1);
u2 = vaddw_u16(vreinterpretq_u32_s32(in[2]), v2);
u3 = vaddw_u16(vreinterpretq_u32_s32(in[3]), v3);
}
uint16x8_t u4 = vcombine_u16(vqmovn_u32(u0), vqmovn_u32(u1));
uint16x8_t u5 = vcombine_u16(vqmovn_u32(u2), vqmovn_u32(u3));
const uint16x8_t vmin = vdupq_n_u16(0);
const uint16x8_t vmax = vdupq_n_u16((1 << bd) - 1);
u4 = highbd_clamp_u16(&u4, &vmin, &vmax);
u5 = highbd_clamp_u16(&u5, &vmin, &vmax);
vst1_u16(output + 0 * stride, vget_low_u16(u4));
vst1_u16(output + 1 * stride, vget_high_u16(u4));
vst1_u16(output + 2 * stride, vget_low_u16(u5));
vst1_u16(output + 3 * stride, vget_high_u16(u5));
}
static void iidentity4_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
(void)bit;
int32x4_t v[4];
int32x4_t zero = vdupq_n_s32(0);
int32x2_t fact = vdup_n_s32(NewSqrt2);
int32x4x2_t a0;
const int64x2_t rnding = vdupq_n_s64(1 << (NewSqrt2Bits - 1));
for (int i = 0; i < 4; i++) {
a0.val[0] = vreinterpretq_s32_s64(
vmlal_s32(rnding, vmovn_s64(vreinterpretq_s64_s32(in[i])), fact));
a0.val[0] = vreinterpretq_s32_s64(
vshrq_n_s64(vreinterpretq_s64_s32(a0.val[0]), NewSqrt2Bits));
a0.val[1] = vextq_s32(in[i], zero, 1);
a0.val[1] = vreinterpretq_s32_s64(
vmlal_s32(rnding, vmovn_s64(vreinterpretq_s64_s32(a0.val[1])), fact));
a0.val[1] = vreinterpretq_s32_s64(
vshrq_n_s64(vreinterpretq_s64_s32(a0.val[1]), NewSqrt2Bits));
a0 = vzipq_s32(a0.val[0], a0.val[1]);
#if defined(__aarch64__)
out[i] = vreinterpretq_s32_s64(vzip1q_s64(
vreinterpretq_s64_s32(a0.val[0]), vreinterpretq_s64_s32(a0.val[1])));
#else
out[i] = vextq_s32(vextq_s32(a0.val[0], a0.val[0], 2), a0.val[1], 2);
#endif
}
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t rnding32 = vdupq_n_s32(1 << (out_shift - 1));
round_shift_4x4(out, out_shift, &rnding32);
highbd_clamp_s32_neon(out, out, &clamp_lo, &clamp_hi, 4);
}
v[0] = out[0];
v[1] = out[1];
v[2] = out[2];
v[3] = out[3];
// Transpose for 4x4
TRANSPOSE_4X4(v[0], v[1], v[2], v[3], out[0], out[1], out[2], out[3]);
}
void av1_inv_txfm2d_add_4x4_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, int bd) {
int32x4_t in[4];
const int8_t *shift = av1_inv_txfm_shift_ls[TX_4X4];
const int txw_idx = get_txw_idx(TX_4X4);
const int txh_idx = get_txh_idx(TX_4X4);
switch (tx_type) {
case DCT_DCT:
load_buffer_4x4(input, in);
idct4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_DCT:
load_buffer_4x4(input, in);
idct4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case DCT_ADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_ADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case FLIPADST_DCT:
load_buffer_4x4(input, in);
idct4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd);
break;
case DCT_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd);
break;
case FLIPADST_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 1, -shift[1], bd);
break;
case ADST_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd);
break;
case FLIPADST_ADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd);
break;
case IDTX:
load_buffer_4x4(input, in);
iidentity4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case V_DCT:
load_buffer_4x4(input, in);
iidentity4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case H_DCT:
load_buffer_4x4(input, in);
idct4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case V_ADST:
load_buffer_4x4(input, in);
iidentity4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case H_ADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case V_FLIPADST:
load_buffer_4x4(input, in);
iidentity4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd);
break;
case H_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_neon(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_neon(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd);
break;
default: assert(0);
}
}
// 8x8
static void load_buffer_8x8(const int32_t *coeff, int32x4_t *in) {
in[0] = vld1q_s32(coeff + 0);
in[1] = vld1q_s32(coeff + 4);
in[2] = vld1q_s32(coeff + 8);
in[3] = vld1q_s32(coeff + 12);
in[4] = vld1q_s32(coeff + 16);
in[5] = vld1q_s32(coeff + 20);
in[6] = vld1q_s32(coeff + 24);
in[7] = vld1q_s32(coeff + 28);
in[8] = vld1q_s32(coeff + 32);
in[9] = vld1q_s32(coeff + 36);
in[10] = vld1q_s32(coeff + 40);
in[11] = vld1q_s32(coeff + 44);
in[12] = vld1q_s32(coeff + 48);
in[13] = vld1q_s32(coeff + 52);
in[14] = vld1q_s32(coeff + 56);
in[15] = vld1q_s32(coeff + 60);
}
static void idct8x8_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t u0, u1, u2, u3, u4, u5, u6, u7;
int32x4_t v0, v1, v2, v3, v4, v5, v6, v7;
int32x4_t x, y;
int col;
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
const int32x4_t v_bit = vdupq_n_s32(-bit);
// Note:
// Even column: 0, 2, ..., 14
// Odd column: 1, 3, ..., 15
// one even column plus one odd column constructs one row (8 coeffs)
// total we have 8 rows (8x8).
for (col = 0; col < 2; ++col) {
// stage 0
// stage 1
// stage 2
u0 = in[0 * 2 + col];
u1 = in[4 * 2 + col];
u2 = in[2 * 2 + col];
u3 = in[6 * 2 + col];
x = vmulq_n_s32(in[1 * 2 + col], cospi[56]);
u4 = vmlaq_n_s32(x, in[7 * 2 + col], -cospi[8]);
u4 = vaddq_s32(u4, rnding);
u4 = vshlq_s32(u4, v_bit);
x = vmulq_n_s32(in[1 * 2 + col], cospi[8]);
u7 = vmlaq_n_s32(x, in[7 * 2 + col], cospi[56]);
u7 = vaddq_s32(u7, rnding);
u7 = vshlq_s32(u7, v_bit);
x = vmulq_n_s32(in[5 * 2 + col], cospi[24]);
u5 = vmlaq_n_s32(x, in[3 * 2 + col], -cospi[40]);
u5 = vaddq_s32(u5, rnding);
u5 = vshlq_s32(u5, v_bit);
x = vmulq_n_s32(in[5 * 2 + col], cospi[40]);
u6 = vmlaq_n_s32(x, in[3 * 2 + col], cospi[24]);
u6 = vaddq_s32(u6, rnding);
u6 = vshlq_s32(u6, v_bit);
// stage 3
x = vmulq_n_s32(u0, cospi[32]);
y = vmulq_n_s32(u1, cospi[32]);
v0 = vaddq_s32(x, y);
v0 = vaddq_s32(v0, rnding);
v0 = vshlq_s32(v0, v_bit);
v1 = vsubq_s32(x, y);
v1 = vaddq_s32(v1, rnding);
v1 = vshlq_s32(v1, v_bit);
x = vmulq_n_s32(u2, cospi[48]);
v2 = vmlaq_n_s32(x, u3, -cospi[16]);
v2 = vaddq_s32(v2, rnding);
v2 = vshlq_s32(v2, v_bit);
x = vmulq_n_s32(u2, cospi[16]);
v3 = vmlaq_n_s32(x, u3, cospi[48]);
v3 = vaddq_s32(v3, rnding);
v3 = vshlq_s32(v3, v_bit);
addsub_neon(u4, u5, &v4, &v5, &clamp_lo, &clamp_hi);
addsub_neon(u7, u6, &v7, &v6, &clamp_lo, &clamp_hi);
// stage 4
addsub_neon(v0, v3, &u0, &u3, &clamp_lo, &clamp_hi);
addsub_neon(v1, v2, &u1, &u2, &clamp_lo, &clamp_hi);
u4 = v4;
u7 = v7;
x = vmulq_n_s32(v5, cospi[32]);
y = vmulq_n_s32(v6, cospi[32]);
u6 = vaddq_s32(y, x);
u6 = vaddq_s32(u6, rnding);
u6 = vshlq_s32(u6, v_bit);
u5 = vsubq_s32(y, x);
u5 = vaddq_s32(u5, rnding);
u5 = vshlq_s32(u5, v_bit);
// stage 5
addsub_neon(u0, u7, out + 0 * 2 + col, out + 7 * 2 + col, &clamp_lo,
&clamp_hi);
addsub_neon(u1, u6, out + 1 * 2 + col, out + 6 * 2 + col, &clamp_lo,
&clamp_hi);
addsub_neon(u2, u5, out + 2 * 2 + col, out + 5 * 2 + col, &clamp_lo,
&clamp_hi);
addsub_neon(u3, u4, out + 3 * 2 + col, out + 4 * 2 + col, &clamp_lo,
&clamp_hi);
}
if (!do_cols) {
const int32x4_t rnding_shift = vdupq_n_s32(1 << (out_shift - 1));
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift, &rnding_shift);
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 16);
}
}
static void iadst8x8_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int32x4_t kZero = vdupq_n_s32(0);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t u[8], v[8], x;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-1-2
// (1)
u[0] = vmlaq_n_s32(rnding, in[14], cospi[4]);
u[0] = vmlaq_n_s32(u[0], in[0], cospi[60]);
u[0] = vshlq_s32(u[0], v_bit);
u[1] = vmlaq_n_s32(rnding, in[14], cospi[60]);
u[1] = vmlsq_n_s32(u[1], in[0], cospi[4]);
u[1] = vshlq_s32(u[1], v_bit);
// (2)
u[2] = vmlaq_n_s32(rnding, in[10], cospi[20]);
u[2] = vmlaq_n_s32(u[2], in[4], cospi[44]);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vmlaq_n_s32(rnding, in[10], cospi[44]);
u[3] = vmlsq_n_s32(u[3], in[4], cospi[20]);
u[3] = vshlq_s32(u[3], v_bit);
// (3)
u[4] = vmlaq_n_s32(rnding, in[6], cospi[36]);
u[4] = vmlaq_n_s32(u[4], in[8], cospi[28]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlaq_n_s32(rnding, in[6], cospi[28]);
u[5] = vmlsq_n_s32(u[5], in[8], cospi[36]);
u[5] = vshlq_s32(u[5], v_bit);
// (4)
u[6] = vmlaq_n_s32(rnding, in[2], cospi[52]);
u[6] = vmlaq_n_s32(u[6], in[12], cospi[12]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlaq_n_s32(rnding, in[2], cospi[12]);
u[7] = vmlsq_n_s32(u[7], in[12], cospi[52]);
u[7] = vshlq_s32(u[7], v_bit);
// stage 3
addsub_neon(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi);
// stage 4
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = vmlaq_n_s32(rnding, v[4], cospi[16]);
u[4] = vmlaq_n_s32(u[4], v[5], cospi[48]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlaq_n_s32(rnding, v[4], cospi[48]);
u[5] = vmlsq_n_s32(u[5], v[5], cospi[16]);
u[5] = vshlq_s32(u[5], v_bit);
u[6] = vmlaq_n_s32(rnding, v[7], cospi[16]);
u[6] = vmlsq_n_s32(u[6], v[6], cospi[48]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlaq_n_s32(rnding, v[7], cospi[48]);
u[7] = vmlaq_n_s32(u[7], v[6], cospi[16]);
u[7] = vshlq_s32(u[7], v_bit);
// stage 5
addsub_neon(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi);
addsub_neon(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi);
// stage 6
u[0] = v[0];
u[1] = v[1];
u[4] = v[4];
u[5] = v[5];
v[0] = vmlaq_n_s32(rnding, v[2], cospi[32]);
x = vmulq_n_s32(v[3], cospi[32]);
u[2] = vaddq_s32(v[0], x);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vsubq_s32(v[0], x);
u[3] = vshlq_s32(u[3], v_bit);
v[0] = vmlaq_n_s32(rnding, v[6], cospi[32]);
x = vmulq_n_s32(v[7], cospi[32]);
u[6] = vaddq_s32(v[0], x);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vsubq_s32(v[0], x);
u[7] = vshlq_s32(u[7], v_bit);
// stage 7
if (do_cols) {
out[0] = u[0];
out[2] = vsubq_s32(kZero, u[4]);
out[4] = u[6];
out[6] = vsubq_s32(kZero, u[2]);
out[8] = u[3];
out[10] = vsubq_s32(kZero, u[7]);
out[12] = u[5];
out[14] = vsubq_s32(kZero, u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&u[0], &u[4], out + 0, out + 2, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[6], &u[2], out + 4, out + 6, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[3], &u[7], out + 8, out + 10, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[5], &u[1], out + 12, out + 14, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
}
// Odd 8 points: 1, 3, ..., 15
// stage 0
// stage 1
// stage 2
// (1)
u[0] = vmlaq_n_s32(rnding, in[15], cospi[4]);
u[0] = vmlaq_n_s32(u[0], in[1], cospi[60]);
u[0] = vshlq_s32(u[0], v_bit);
u[1] = vmlaq_n_s32(rnding, in[15], cospi[60]);
u[1] = vmlsq_n_s32(u[1], in[1], cospi[4]);
u[1] = vshlq_s32(u[1], v_bit);
// (2)
u[2] = vmlaq_n_s32(rnding, in[11], cospi[20]);
u[2] = vmlaq_n_s32(u[2], in[5], cospi[44]);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vmlaq_n_s32(rnding, in[11], cospi[44]);
u[3] = vmlsq_n_s32(u[3], in[5], cospi[20]);
u[3] = vshlq_s32(u[3], v_bit);
// (3)
u[4] = vmlaq_n_s32(rnding, in[7], cospi[36]);
u[4] = vmlaq_n_s32(u[4], in[9], cospi[28]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlaq_n_s32(rnding, in[7], cospi[28]);
u[5] = vmlsq_n_s32(u[5], in[9], cospi[36]);
u[5] = vshlq_s32(u[5], v_bit);
// (4)
u[6] = vmlaq_n_s32(rnding, in[3], cospi[52]);
u[6] = vmlaq_n_s32(u[6], in[13], cospi[12]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlaq_n_s32(rnding, in[3], cospi[12]);
u[7] = vmlsq_n_s32(u[7], in[13], cospi[52]);
u[7] = vshlq_s32(u[7], v_bit);
// stage 3
addsub_neon(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi);
// stage 4
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = vmlaq_n_s32(rnding, v[4], cospi[16]);
u[4] = vmlaq_n_s32(u[4], v[5], cospi[48]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlaq_n_s32(rnding, v[4], cospi[48]);
u[5] = vmlsq_n_s32(u[5], v[5], cospi[16]);
u[5] = vshlq_s32(u[5], v_bit);
u[6] = vmlaq_n_s32(rnding, v[7], cospi[16]);
u[6] = vmlsq_n_s32(u[6], v[6], cospi[48]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlaq_n_s32(rnding, v[6], cospi[16]);
u[7] = vmlaq_n_s32(u[7], v[7], cospi[48]);
u[7] = vshlq_s32(u[7], v_bit);
// stage 5
addsub_neon(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi);
addsub_neon(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi);
// stage 6
u[0] = v[0];
u[1] = v[1];
u[4] = v[4];
u[5] = v[5];
v[0] = vmlaq_n_s32(rnding, v[2], cospi[32]);
x = vmulq_n_s32(v[3], cospi[32]);
u[2] = vaddq_s32(v[0], x);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vsubq_s32(v[0], x);
u[3] = vshlq_s32(u[3], v_bit);
v[0] = vmlaq_n_s32(rnding, v[6], cospi[32]);
x = vmulq_n_s32(v[7], cospi[32]);
u[6] = vaddq_s32(v[0], x);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vsubq_s32(v[0], x);
u[7] = vshlq_s32(u[7], v_bit);
// stage 7
if (do_cols) {
out[1] = u[0];
out[3] = vsubq_s32(kZero, u[4]);
out[5] = u[6];
out[7] = vsubq_s32(kZero, u[2]);
out[9] = u[3];
out[11] = vsubq_s32(kZero, u[7]);
out[13] = u[5];
out[15] = vsubq_s32(kZero, u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&u[0], &u[4], out + 1, out + 3, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[6], &u[2], out + 5, out + 7, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[3], &u[7], out + 9, out + 11, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[5], &u[1], out + 13, out + 15, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
}
}
static void iidentity8_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
(void)bit;
out[0] = vaddq_s32(in[0], in[0]);
out[1] = vaddq_s32(in[1], in[1]);
out[2] = vaddq_s32(in[2], in[2]);
out[3] = vaddq_s32(in[3], in[3]);
out[4] = vaddq_s32(in[4], in[4]);
out[5] = vaddq_s32(in[5], in[5]);
out[6] = vaddq_s32(in[6], in[6]);
out[7] = vaddq_s32(in[7], in[7]);
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t rnding = vdupq_n_s32(1 << (out_shift - 1));
round_shift_4x4(out, out_shift, &rnding);
round_shift_4x4(out + 4, out_shift, &rnding);
highbd_clamp_s32_neon(out, out, &clamp_lo, &clamp_hi, 8);
}
}
static uint16x8_t get_recon_8x8(const uint16x8_t pred, int32x4_t res_lo,
int32x4_t res_hi, int fliplr, int bd) {
uint16x8x2_t x;
if (fliplr) {
res_lo = vrev64q_s32(res_lo);
res_lo = vextq_s32(res_lo, res_lo, 2);
res_hi = vrev64q_s32(res_hi);
res_hi = vextq_s32(res_hi, res_hi, 2);
x.val[0] = vreinterpretq_u16_s32(
vaddw_s16(res_hi, vreinterpret_s16_u16(vget_low_u16(pred))));
x.val[1] = vreinterpretq_u16_s32(
vaddw_s16(res_lo, vreinterpret_s16_u16(vget_high_u16(pred))));
} else {
x.val[0] = vreinterpretq_u16_s32(
vaddw_s16(res_lo, vreinterpret_s16_u16(vget_low_u16(pred))));
x.val[1] = vreinterpretq_u16_s32(
vaddw_s16(res_hi, vreinterpret_s16_u16(vget_high_u16(pred))));
}
uint16x8_t x2 = vcombine_u16(vqmovn_u32(vreinterpretq_u32_u16(x.val[0])),
vqmovn_u32(vreinterpretq_u32_u16(x.val[1])));
const uint16x8_t vmin = vdupq_n_u16(0);
const uint16x8_t vmax = vdupq_n_u16((1 << bd) - 1);
return highbd_clamp_u16(&x2, &vmin, &vmax);
}
static void write_buffer_8x8(int32x4_t *in, uint16_t *output, int stride,
int fliplr, int flipud, int shift, int bd) {
uint16x8_t u0, u1, u2, u3, u4, u5, u6, u7;
uint16x8_t v0, v1, v2, v3, v4, v5, v6, v7;
const int32x4_t rnding = vdupq_n_s32(1 << (shift - 1));
round_shift_8x8(in, shift, &rnding);
v0 = vld1q_u16(output + 0 * stride);
v1 = vld1q_u16(output + 1 * stride);
v2 = vld1q_u16(output + 2 * stride);
v3 = vld1q_u16(output + 3 * stride);
v4 = vld1q_u16(output + 4 * stride);
v5 = vld1q_u16(output + 5 * stride);
v6 = vld1q_u16(output + 6 * stride);
v7 = vld1q_u16(output + 7 * stride);
if (flipud) {
u0 = get_recon_8x8(v0, in[14], in[15], fliplr, bd);
u1 = get_recon_8x8(v1, in[12], in[13], fliplr, bd);
u2 = get_recon_8x8(v2, in[10], in[11], fliplr, bd);
u3 = get_recon_8x8(v3, in[8], in[9], fliplr, bd);
u4 = get_recon_8x8(v4, in[6], in[7], fliplr, bd);
u5 = get_recon_8x8(v5, in[4], in[5], fliplr, bd);
u6 = get_recon_8x8(v6, in[2], in[3], fliplr, bd);
u7 = get_recon_8x8(v7, in[0], in[1], fliplr, bd);
} else {
u0 = get_recon_8x8(v0, in[0], in[1], fliplr, bd);
u1 = get_recon_8x8(v1, in[2], in[3], fliplr, bd);
u2 = get_recon_8x8(v2, in[4], in[5], fliplr, bd);
u3 = get_recon_8x8(v3, in[6], in[7], fliplr, bd);
u4 = get_recon_8x8(v4, in[8], in[9], fliplr, bd);
u5 = get_recon_8x8(v5, in[10], in[11], fliplr, bd);
u6 = get_recon_8x8(v6, in[12], in[13], fliplr, bd);
u7 = get_recon_8x8(v7, in[14], in[15], fliplr, bd);
}
vst1q_u16(output + 0 * stride, u0);
vst1q_u16(output + 1 * stride, u1);
vst1q_u16(output + 2 * stride, u2);
vst1q_u16(output + 3 * stride, u3);
vst1q_u16(output + 4 * stride, u4);
vst1q_u16(output + 5 * stride, u5);
vst1q_u16(output + 6 * stride, u6);
vst1q_u16(output + 7 * stride, u7);
}
void av1_inv_txfm2d_add_8x8_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, int bd) {
int32x4_t in[16], out[16];
const int8_t *shift = av1_inv_txfm_shift_ls[TX_8X8];
const int txw_idx = get_txw_idx(TX_8X8);
const int txh_idx = get_txh_idx(TX_8X8);
switch (tx_type) {
case DCT_DCT:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
idct8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
idct8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case DCT_ADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
idct8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_DCT:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
idct8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_ADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case FLIPADST_DCT:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
idct8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 1, -shift[1], bd);
break;
case DCT_FLIPADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
idct8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 1, 0, -shift[1], bd);
break;
case ADST_FLIPADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 1, 0, -shift[1], bd);
break;
case FLIPADST_FLIPADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 1, 1, -shift[1], bd);
break;
case FLIPADST_ADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_neon(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 1, -shift[1], bd);
break;
default: assert(0);
}
}
static void idct8x8_low1_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t x;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-1-2-3
x = vmulq_n_s32(in[0], cospi[32]);
x = vaddq_s32(vshlq_s32(x, v_bit), rnding);
// stage 4-5
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
clamp_lo = vdupq_n_s32(-(1 << (log_range_out - 1)));
clamp_hi = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
x = vaddq_s32(x, offset);
x = vshlq_s32(x, vdupq_n_s32(-out_shift));
}
x = vmaxq_s32(x, clamp_lo);
x = vminq_s32(x, clamp_hi);
out[0] = x;
out[1] = x;
out[2] = x;
out[3] = x;
out[4] = x;
out[5] = x;
out[6] = x;
out[7] = x;
}
static void idct8x8_new_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t u0, u1, u2, u3, u4, u5, u6, u7;
int32x4_t v0, v1, v2, v3, v4, v5, v6, v7;
int32x4_t x, y;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0
// stage 1
// stage 2
u0 = in[0];
u1 = in[4];
u2 = in[2];
u3 = in[6];
x = vmlaq_n_s32(rnding, in[1], cospi[56]);
u4 = vmlaq_n_s32(x, in[7], -cospi[8]);
u4 = vshlq_s32(u4, v_bit);
x = vmlaq_n_s32(rnding, in[1], cospi[8]);
u7 = vmlaq_n_s32(x, in[7], cospi[56]);
u7 = vshlq_s32(u7, v_bit);
x = vmlaq_n_s32(rnding, in[5], cospi[24]);
u5 = vmlaq_n_s32(x, in[3], -cospi[40]);
u5 = vshlq_s32(u5, v_bit);
x = vmlaq_n_s32(rnding, in[5], cospi[40]);
u6 = vmlaq_n_s32(x, in[3], cospi[24]);
u6 = vshlq_s32(u6, v_bit);
// stage 3
x = vmlaq_n_s32(rnding, u0, cospi[32]);
y = vmulq_n_s32(u1, cospi[32]);
v0 = vaddq_s32(x, y);
v0 = vshlq_s32(v0, v_bit);
v1 = vsubq_s32(x, y);
v1 = vshlq_s32(v1, v_bit);
x = vmlaq_n_s32(rnding, u2, cospi[48]);
v2 = vmlaq_n_s32(x, u3, -cospi[16]);
v2 = vshlq_s32(v2, v_bit);
x = vmlaq_n_s32(rnding, u2, cospi[16]);
v3 = vmlaq_n_s32(x, u3, cospi[48]);
v3 = vshlq_s32(v3, v_bit);
addsub_neon(u4, u5, &v4, &v5, &clamp_lo, &clamp_hi);
addsub_neon(u7, u6, &v7, &v6, &clamp_lo, &clamp_hi);
// stage 4
addsub_neon(v0, v3, &u0, &u3, &clamp_lo, &clamp_hi);
addsub_neon(v1, v2, &u1, &u2, &clamp_lo, &clamp_hi);
u4 = v4;
u7 = v7;
x = vmulq_n_s32(v5, cospi[32]);
y = vmlaq_n_s32(rnding, v6, cospi[32]);
u6 = vaddq_s32(y, x);
u6 = vshlq_s32(u6, v_bit);
u5 = vsubq_s32(y, x);
u5 = vshlq_s32(u5, v_bit);
// stage 5
addsub_neon(u0, u7, out + 0, out + 7, &clamp_lo, &clamp_hi);
addsub_neon(u1, u6, out + 1, out + 6, &clamp_lo, &clamp_hi);
addsub_neon(u2, u5, out + 2, out + 5, &clamp_lo, &clamp_hi);
addsub_neon(u3, u4, out + 3, out + 4, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t rnding32 = vdupq_n_s32(1 << (out_shift - 1));
round_shift_4x4(out, out_shift, &rnding32);
round_shift_4x4(out + 4, out_shift, &rnding32);
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 8);
}
}
static void iadst8x8_low1_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
int32x4_t u[8], x;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-2
u[0] = vmlaq_n_s32(rnding, in[0], cospi[60]);
u[0] = vshlq_s32(u[0], v_bit);
u[1] = vmlaq_n_s32(rnding, in[0], cospi[4]);
u[1] = vshlq_s32(vnegq_s32(u[1]), v_bit);
// stage 3-4
int32x4_t temp1, temp2;
temp1 = vmlaq_n_s32(rnding, u[0], cospi[16]);
temp1 = vmlaq_n_s32(temp1, u[1], cospi[48]);
temp1 = vshlq_s32(temp1, v_bit);
u[4] = temp1;
temp2 = vmlaq_n_s32(rnding, u[0], cospi[48]);
u[5] = vmlsq_n_s32(temp2, u[1], cospi[16]);
u[5] = vshlq_s32(u[5], v_bit);
// stage 5-6
temp1 = vmlaq_n_s32(rnding, u[0], cospi[32]);
x = vmulq_n_s32(u[1], cospi[32]);
u[2] = vaddq_s32(temp1, x);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vsubq_s32(temp1, x);
u[3] = vshlq_s32(u[3], v_bit);
temp1 = vmlaq_n_s32(rnding, u[4], cospi[32]);
x = vmulq_n_s32(u[5], cospi[32]);
u[6] = vaddq_s32(temp1, x);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vsubq_s32(temp1, x);
u[7] = vshlq_s32(u[7], v_bit);
// stage 7
if (do_cols) {
out[0] = u[0];
out[1] = vnegq_s32(u[4]);
out[2] = u[6];
out[3] = vnegq_s32(u[2]);
out[4] = u[3];
out[5] = vnegq_s32(u[7]);
out[6] = u[5];
out[7] = vnegq_s32(u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&u[0], &u[4], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[6], &u[2], out + 2, out + 3, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[3], &u[7], out + 4, out + 5, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[5], &u[1], out + 6, out + 7, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
}
}
static void iadst8x8_new_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
// const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t u[8], v[8], x;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-2
u[0] = vmlaq_n_s32(rnding, in[7], cospi[4]);
u[0] = vmlaq_n_s32(u[0], in[0], cospi[60]);
u[0] = vshlq_s32(u[0], v_bit);
u[1] = vmlaq_n_s32(rnding, in[7], cospi[60]);
u[1] = vmlsq_n_s32(u[1], in[0], cospi[4]);
u[1] = vshlq_s32(u[1], v_bit);
// (2)
u[2] = vmlaq_n_s32(rnding, in[5], cospi[20]);
u[2] = vmlaq_n_s32(u[2], in[2], cospi[44]);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vmlaq_n_s32(rnding, in[5], cospi[44]);
u[3] = vmlsq_n_s32(u[3], in[2], cospi[20]);
u[3] = vshlq_s32(u[3], v_bit);
// (3)
u[4] = vmlaq_n_s32(rnding, in[3], cospi[36]);
u[4] = vmlaq_n_s32(u[4], in[4], cospi[28]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlaq_n_s32(rnding, in[3], cospi[28]);
u[5] = vmlsq_n_s32(u[5], in[4], cospi[36]);
u[5] = vshlq_s32(u[5], v_bit);
// (4)
u[6] = vmulq_n_s32(in[1], cospi[52]);
u[6] = vmlaq_n_s32(u[6], in[6], cospi[12]);
u[6] = vaddq_s32(u[6], rnding);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmulq_n_s32(in[1], cospi[12]);
u[7] = vmlsq_n_s32(u[7], in[6], cospi[52]);
u[7] = vaddq_s32(u[7], rnding);
u[7] = vshlq_s32(u[7], v_bit);
// stage 3
addsub_neon(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi);
// stage 4
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = vmlaq_n_s32(rnding, v[4], cospi[16]);
u[4] = vmlaq_n_s32(u[4], v[5], cospi[48]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlaq_n_s32(rnding, v[4], cospi[48]);
u[5] = vmlsq_n_s32(u[5], v[5], cospi[16]);
u[5] = vshlq_s32(u[5], v_bit);
u[6] = vmlsq_n_s32(rnding, v[6], cospi[48]);
u[6] = vmlaq_n_s32(u[6], v[7], cospi[16]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlaq_n_s32(rnding, v[6], cospi[16]);
u[7] = vmlaq_n_s32(u[7], v[7], cospi[48]);
u[7] = vshlq_s32(u[7], v_bit);
// stage 5
addsub_neon(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi);
addsub_neon(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi);
// stage 6
u[0] = v[0];
u[1] = v[1];
u[4] = v[4];
u[5] = v[5];
v[0] = vmlaq_n_s32(rnding, v[2], cospi[32]);
x = vmulq_n_s32(v[3], cospi[32]);
u[2] = vaddq_s32(v[0], x);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vsubq_s32(v[0], x);
u[3] = vshlq_s32(u[3], v_bit);
v[0] = vmlaq_n_s32(rnding, v[6], cospi[32]);
x = vmulq_n_s32(v[7], cospi[32]);
u[6] = vaddq_s32(v[0], x);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vsubq_s32(v[0], x);
u[7] = vshlq_s32(u[7], v_bit);
// stage 7
if (do_cols) {
out[0] = u[0];
out[1] = vnegq_s32(u[4]);
out[2] = u[6];
out[3] = vnegq_s32(u[2]);
out[4] = u[3];
out[5] = vnegq_s32(u[7]);
out[6] = u[5];
out[7] = vnegq_s32(u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&u[0], &u[4], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[6], &u[2], out + 2, out + 3, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[3], &u[7], out + 4, out + 5, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[5], &u[1], out + 6, out + 7, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
}
}
static void idct16x16_low1_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-4
in[0] = vmlaq_n_s32(rnding, in[0], cospi[32]);
in[0] = vshlq_s32(in[0], v_bit);
// stage 5-7
if (!do_cols) {
log_range = AOMMAX(16, bd + 6);
clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
if (out_shift != 0) {
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
in[0] = vaddq_s32(in[0], offset);
in[0] = vshlq_s32(in[0], vdupq_n_s32(-out_shift));
}
}
in[0] = vmaxq_s32(in[0], clamp_lo);
in[0] = vminq_s32(in[0], clamp_hi);
out[0] = in[0];
out[1] = in[0];
out[2] = in[0];
out[3] = in[0];
out[4] = in[0];
out[5] = in[0];
out[6] = in[0];
out[7] = in[0];
out[8] = in[0];
out[9] = in[0];
out[10] = in[0];
out[11] = in[0];
out[12] = in[0];
out[13] = in[0];
out[14] = in[0];
out[15] = in[0];
}
static void idct16x16_low8_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
int32x4_t u[16], x, y;
// stage 0-1
u[0] = in[0];
u[2] = in[4];
u[4] = in[2];
u[6] = in[6];
u[8] = in[1];
u[10] = in[5];
u[12] = in[3];
u[14] = in[7];
// stage 2
u[15] = half_btf_0_neon_r(&cospi[4], &u[8], &v_bit, &rnding);
u[8] = half_btf_0_neon_r(&cospi[60], &u[8], &v_bit, &rnding);
u[9] = half_btf_0_m_neon_r(&cospi[36], &u[14], &v_bit, &rnding);
u[14] = half_btf_0_neon_r(&cospi[28], &u[14], &v_bit, &rnding);
u[13] = half_btf_0_neon_r(&cospi[20], &u[10], &v_bit, &rnding);
u[10] = half_btf_0_neon_r(&cospi[44], &u[10], &v_bit, &rnding);
u[11] = half_btf_0_m_neon_r(&cospi[52], &u[12], &v_bit, &rnding);
u[12] = half_btf_0_neon_r(&cospi[12], &u[12], &v_bit, &rnding);
// stage 3
u[7] = half_btf_0_neon_r(&cospi[8], &u[4], &v_bit, &rnding);
u[4] = half_btf_0_neon_r(&cospi[56], &u[4], &v_bit, &rnding);
u[5] = half_btf_0_m_neon_r(&cospi[40], &u[6], &v_bit, &rnding);
u[6] = half_btf_0_neon_r(&cospi[24], &u[6], &v_bit, &rnding);
addsub_neon(u[8], u[9], &u[8], &u[9], &clamp_lo, &clamp_hi);
addsub_neon(u[11], u[10], &u[11], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(u[12], u[13], &u[12], &u[13], &clamp_lo, &clamp_hi);
addsub_neon(u[15], u[14], &u[15], &u[14], &clamp_lo, &clamp_hi);
// stage 4
x = vmlaq_n_s32(rnding, u[0], cospi[32]);
u[0] = vshlq_s32(x, v_bit);
u[1] = u[0];
u[3] = half_btf_0_neon_r(&cospi[16], &u[2], &v_bit, &rnding);
u[2] = half_btf_0_neon_r(&cospi[48], &u[2], &v_bit, &rnding);
addsub_neon(u[4], u[5], &u[4], &u[5], &clamp_lo, &clamp_hi);
addsub_neon(u[7], u[6], &u[7], &u[6], &clamp_lo, &clamp_hi);
x = half_btf_neon_mode10_r(&cospi[16], &u[9], &cospi[48], &u[14], &v_bit,
&rnding);
u[14] =
half_btf_neon_r(&cospi[48], &u[9], &cospi[16], &u[14], &v_bit, &rnding);
u[9] = x;
y = half_btf_neon_mode11_r(&cospi[48], &u[10], &cospi[16], &u[13], &v_bit,
&rnding);
u[13] = half_btf_neon_mode10_r(&cospi[16], &u[10], &cospi[48], &u[13], &v_bit,
&rnding);
u[10] = y;
// stage 5
addsub_neon(u[0], u[3], &u[0], &u[3], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[2], &u[1], &u[2], &clamp_lo, &clamp_hi);
x = vmulq_n_s32(u[5], cospi[32]);
y = vmlaq_n_s32(rnding, u[6], cospi[32]);
u[5] = vsubq_s32(y, x);
u[5] = vshlq_s32(u[5], v_bit);
u[6] = vaddq_s32(y, x);
u[6] = vshlq_s32(u[6], v_bit);
addsub_neon(u[8], u[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(u[9], u[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(u[15], u[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(u[14], u[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
// stage 6
addsub_neon(u[0], u[7], &u[0], &u[7], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[6], &u[1], &u[6], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[5], &u[2], &u[5], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[4], &u[3], &u[4], &clamp_lo, &clamp_hi);
x = vmulq_n_s32(u[10], cospi[32]);
y = vmlaq_n_s32(rnding, u[13], cospi[32]);
u[10] = vsubq_s32(y, x);
u[10] = vshlq_s32(u[10], v_bit);
u[13] = vaddq_s32(x, y);
u[13] = vshlq_s32(u[13], v_bit);
x = vmulq_n_s32(u[11], cospi[32]);
y = vmlaq_n_s32(rnding, u[12], cospi[32]);
u[11] = vsubq_s32(y, x);
u[11] = vshlq_s32(u[11], v_bit);
u[12] = vaddq_s32(x, y);
u[12] = vshlq_s32(u[12], v_bit);
// stage 7
addsub_neon(u[0], u[15], out + 0, out + 15, &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[14], out + 1, out + 14, &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[13], out + 2, out + 13, &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[12], out + 3, out + 12, &clamp_lo, &clamp_hi);
addsub_neon(u[4], u[11], out + 4, out + 11, &clamp_lo, &clamp_hi);
addsub_neon(u[5], u[10], out + 5, out + 10, &clamp_lo, &clamp_hi);
addsub_neon(u[6], u[9], out + 6, out + 9, &clamp_lo, &clamp_hi);
addsub_neon(u[7], u[8], out + 7, out + 8, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int32x4_t rnding_shift = vdupq_n_s32(1 << (out_shift - 1));
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift, &rnding_shift);
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 16);
}
}
static void iadst16x16_low1_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
int32x4_t v[16], x, y, temp1, temp2;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0
// stage 1
// stage 2
v[0] = vmlaq_n_s32(rnding, in[0], cospi[62]);
v[0] = vshlq_s32(v[0], v_bit);
v[1] = vmlsq_n_s32(rnding, in[0], cospi[2]);
v[1] = vshlq_s32(v[1], v_bit);
// stage 3
v[8] = v[0];
v[9] = v[1];
// stage 4
temp1 = vmlaq_n_s32(rnding, v[8], cospi[8]);
temp1 = vmlaq_n_s32(temp1, v[9], cospi[56]);
temp1 = vshlq_s32(temp1, v_bit);
temp2 = vmlaq_n_s32(rnding, v[8], cospi[56]);
temp2 = vmlsq_n_s32(temp2, v[9], cospi[8]);
temp2 = vshlq_s32(temp2, v_bit);
v[8] = temp1;
v[9] = temp2;
// stage 5
v[4] = v[0];
v[5] = v[1];
v[12] = v[8];
v[13] = v[9];
// stage 6
temp1 = vmlaq_n_s32(rnding, v[4], cospi[16]);
temp1 = vmlaq_n_s32(temp1, v[5], cospi[48]);
temp1 = vshlq_s32(temp1, v_bit);
temp2 = vmlaq_n_s32(rnding, v[4], cospi[48]);
temp2 = vmlsq_n_s32(temp2, v[5], cospi[16]);
temp2 = vshlq_s32(temp2, v_bit);
v[4] = temp1;
v[5] = temp2;
temp1 = vmlaq_n_s32(rnding, v[12], cospi[16]);
temp1 = vmlaq_n_s32(temp1, v[13], cospi[48]);
temp1 = vshlq_s32(temp1, v_bit);
temp2 = vmlaq_n_s32(rnding, v[12], cospi[48]);
temp2 = vmlsq_n_s32(temp2, v[13], cospi[16]);
temp2 = vshlq_s32(temp2, v_bit);
v[12] = temp1;
v[13] = temp2;
// stage 7
v[2] = v[0];
v[3] = v[1];
v[6] = v[4];
v[7] = v[5];
v[10] = v[8];
v[11] = v[9];
v[14] = v[12];
v[15] = v[13];
// stage 8
y = vmlaq_n_s32(rnding, v[2], cospi[32]);
x = vmulq_n_s32(v[3], cospi[32]);
v[2] = vaddq_s32(y, x);
v[2] = vshlq_s32(v[2], v_bit);
v[3] = vsubq_s32(y, x);
v[3] = vshlq_s32(v[3], v_bit);
y = vmlaq_n_s32(rnding, v[6], cospi[32]);
x = vmulq_n_s32(v[7], cospi[32]);
v[6] = vaddq_s32(y, x);
v[6] = vshlq_s32(v[6], v_bit);
v[7] = vsubq_s32(y, x);
v[7] = vshlq_s32(v[7], v_bit);
y = vmlaq_n_s32(rnding, v[10], cospi[32]);
x = vmulq_n_s32(v[11], cospi[32]);
v[10] = vaddq_s32(y, x);
v[10] = vshlq_s32(v[10], v_bit);
v[11] = vsubq_s32(y, x);
v[11] = vshlq_s32(v[11], v_bit);
y = vmlaq_n_s32(rnding, v[14], cospi[32]);
x = vmulq_n_s32(v[15], cospi[32]);
v[14] = vaddq_s32(y, x);
v[14] = vshlq_s32(v[14], v_bit);
v[15] = vsubq_s32(y, x);
v[15] = vshlq_s32(v[15], v_bit);
// stage 9
if (do_cols) {
out[0] = v[0];
out[1] = vnegq_s32(v[8]);
out[2] = v[12];
out[3] = vnegq_s32(v[4]);
out[4] = v[6];
out[5] = vnegq_s32(v[14]);
out[6] = v[10];
out[7] = vnegq_s32(v[2]);
out[8] = v[3];
out[9] = vnegq_s32(v[11]);
out[10] = v[15];
out[11] = vnegq_s32(v[7]);
out[12] = v[5];
out[13] = vnegq_s32(v[13]);
out[14] = v[9];
out[15] = vnegq_s32(v[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&v[0], &v[8], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&v[12], &v[4], out + 2, out + 3, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[6], &v[14], out + 4, out + 5, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[10], &v[2], out + 6, out + 7, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[3], &v[11], out + 8, out + 9, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[15], &v[7], out + 10, out + 11, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[5], &v[13], out + 12, out + 13, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[9], &v[1], out + 14, out + 15, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
}
}
static void iadst16x16_low8_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t zero = vdupq_n_s32(0);
int32x4_t u[16], x, y;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-2
u[0] = vmlaq_n_s32(rnding, in[0], cospi[62]);
u[0] = vshlq_s32(u[0], v_bit);
u[1] = vmlsq_n_s32(rnding, in[0], cospi[2]);
u[1] = vshlq_s32(u[1], v_bit);
u[2] = vmlaq_n_s32(rnding, in[2], cospi[54]);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vmlsq_n_s32(rnding, in[2], cospi[10]);
u[3] = vshlq_s32(u[3], v_bit);
u[4] = vmlaq_n_s32(rnding, in[4], cospi[46]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlsq_n_s32(rnding, in[4], cospi[18]);
u[5] = vshlq_s32(u[5], v_bit);
u[6] = vmlaq_n_s32(rnding, in[6], cospi[38]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlsq_n_s32(rnding, in[6], cospi[26]);
u[7] = vshlq_s32(u[7], v_bit);
u[8] = vmlaq_n_s32(rnding, in[7], cospi[34]);
u[8] = vshlq_s32(u[8], v_bit);
u[9] = vmlaq_n_s32(rnding, in[7], cospi[30]);
u[9] = vshlq_s32(u[9], v_bit);
u[10] = vmlaq_n_s32(rnding, in[5], cospi[42]);
u[10] = vshlq_s32(u[10], v_bit);
u[11] = vmlaq_n_s32(rnding, in[5], cospi[22]);
u[11] = vshlq_s32(u[11], v_bit);
u[12] = vmlaq_n_s32(rnding, in[3], cospi[50]);
u[12] = vshlq_s32(u[12], v_bit);
u[13] = vmlaq_n_s32(rnding, in[3], cospi[14]);
u[13] = vshlq_s32(u[13], v_bit);
u[14] = vmlaq_n_s32(rnding, in[1], cospi[58]);
u[14] = vshlq_s32(u[14], v_bit);
u[15] = vmlaq_n_s32(rnding, in[1], cospi[6]);
u[15] = vshlq_s32(u[15], v_bit);
// stage 3
addsub_neon(u[0], u[8], &u[0], &u[8], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[9], &u[1], &u[9], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[10], &u[2], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[11], &u[3], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(u[4], u[12], &u[4], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(u[5], u[13], &u[5], &u[13], &clamp_lo, &clamp_hi);
addsub_neon(u[6], u[14], &u[6], &u[14], &clamp_lo, &clamp_hi);
addsub_neon(u[7], u[15], &u[7], &u[15], &clamp_lo, &clamp_hi);
// stage 4
y = vmlaq_n_s32(rnding, u[8], cospi[56]);
u[8] = vmlaq_n_s32(rnding, u[8], cospi[8]);
u[8] = vmlaq_n_s32(u[8], u[9], cospi[56]);
u[8] = vshlq_s32(u[8], v_bit);
u[9] = vmlsq_n_s32(y, u[9], cospi[8]);
u[9] = vshlq_s32(u[9], v_bit);
y = vmlaq_n_s32(rnding, u[10], cospi[24]);
u[10] = vmlaq_n_s32(rnding, u[10], cospi[40]);
u[10] = vmlaq_n_s32(u[10], u[11], cospi[24]);
u[10] = vshlq_s32(u[10], v_bit);
u[11] = vmlsq_n_s32(y, u[11], cospi[40]);
u[11] = vshlq_s32(u[11], v_bit);
y = vmlaq_n_s32(rnding, u[12], cospi[8]);
u[12] = vmlsq_n_s32(rnding, u[12], cospi[56]);
u[12] = vmlaq_n_s32(u[12], u[13], cospi[8]);
u[12] = vshlq_s32(u[12], v_bit);
u[13] = vmlaq_n_s32(y, u[13], cospi[56]);
u[13] = vshlq_s32(u[13], v_bit);
y = vmlaq_n_s32(rnding, u[14], cospi[40]);
u[14] = vmlsq_n_s32(rnding, u[14], cospi[24]);
u[14] = vmlaq_n_s32(u[14], u[15], cospi[40]);
u[14] = vshlq_s32(u[14], v_bit);
u[15] = vmlaq_n_s32(y, u[15], cospi[24]);
u[15] = vshlq_s32(u[15], v_bit);
// stage 5
addsub_neon(u[0], u[4], &u[0], &u[4], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[5], &u[1], &u[5], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[6], &u[2], &u[6], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[7], &u[3], &u[7], &clamp_lo, &clamp_hi);
addsub_neon(u[8], u[12], &u[8], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(u[9], u[13], &u[9], &u[13], &clamp_lo, &clamp_hi);
addsub_neon(u[10], u[14], &u[10], &u[14], &clamp_lo, &clamp_hi);
addsub_neon(u[11], u[15], &u[11], &u[15], &clamp_lo, &clamp_hi);
// stage 6
y = vmlaq_n_s32(rnding, u[4], cospi[48]);
u[4] = vmlaq_n_s32(rnding, u[4], cospi[16]);
u[4] = vmlaq_n_s32(u[4], u[5], cospi[48]);
u[4] = vshlq_s32(u[4], v_bit);
u[5] = vmlsq_n_s32(y, u[5], cospi[16]);
u[5] = vshlq_s32(u[5], v_bit);
y = vmlaq_n_s32(rnding, u[6], cospi[16]);
u[6] = vmlsq_n_s32(rnding, u[6], cospi[48]);
u[6] = vmlaq_n_s32(u[6], u[7], cospi[16]);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vmlaq_n_s32(y, u[7], cospi[48]);
u[7] = vshlq_s32(u[7], v_bit);
y = vmlaq_n_s32(rnding, u[12], cospi[48]);
u[12] = vmulq_n_s32(u[12], cospi[16]);
u[12] = vmlaq_n_s32(u[12], u[13], cospi[48]);
u[12] = vshlq_s32(u[12], v_bit);
u[13] = vmlsq_n_s32(y, u[13], cospi[16]);
u[13] = vshlq_s32(u[13], v_bit);
y = vmlaq_n_s32(rnding, u[14], cospi[16]);
u[14] = vmlsq_n_s32(rnding, u[14], cospi[48]);
u[14] = vmlaq_n_s32(u[14], u[15], cospi[16]);
u[14] = vshlq_s32(u[14], v_bit);
u[15] = vmlaq_n_s32(y, u[15], cospi[48]);
u[15] = vshlq_s32(u[15], v_bit);
// stage 7
addsub_neon(u[0], u[2], &u[0], &u[2], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[3], &u[1], &u[3], &clamp_lo, &clamp_hi);
addsub_neon(u[4], u[6], &u[4], &u[6], &clamp_lo, &clamp_hi);
addsub_neon(u[5], u[7], &u[5], &u[7], &clamp_lo, &clamp_hi);
addsub_neon(u[8], u[10], &u[8], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(u[9], u[11], &u[9], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(u[12], u[14], &u[12], &u[14], &clamp_lo, &clamp_hi);
addsub_neon(u[13], u[15], &u[13], &u[15], &clamp_lo, &clamp_hi);
// stage 8
y = vmlaq_n_s32(rnding, u[2], cospi[32]);
x = vmulq_n_s32(u[3], cospi[32]);
u[2] = vaddq_s32(y, x);
u[2] = vshlq_s32(u[2], v_bit);
u[3] = vsubq_s32(y, x);
u[3] = vshlq_s32(u[3], v_bit);
y = vmlaq_n_s32(rnding, u[6], cospi[32]);
x = vmulq_n_s32(u[7], cospi[32]);
u[6] = vaddq_s32(y, x);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = vsubq_s32(y, x);
u[7] = vshlq_s32(u[7], v_bit);
y = vmlaq_n_s32(rnding, u[10], cospi[32]);
x = vmulq_n_s32(u[11], cospi[32]);
u[10] = vaddq_s32(y, x);
u[10] = vshlq_s32(u[10], v_bit);
u[11] = vsubq_s32(y, x);
u[11] = vshlq_s32(u[11], v_bit);
y = vmlaq_n_s32(rnding, u[14], cospi[32]);
x = vmulq_n_s32(u[15], cospi[32]);
u[14] = vaddq_s32(y, x);
u[14] = vshlq_s32(u[14], v_bit);
u[15] = vsubq_s32(y, x);
u[15] = vshlq_s32(u[15], v_bit);
// stage 9
if (do_cols) {
out[0] = u[0];
out[1] = vsubq_s32(zero, u[8]);
out[2] = u[12];
out[3] = vsubq_s32(zero, u[4]);
out[4] = u[6];
out[5] = vsubq_s32(zero, u[14]);
out[6] = u[10];
out[7] = vsubq_s32(zero, u[2]);
out[8] = u[3];
out[9] = vsubq_s32(zero, u[11]);
out[10] = u[15];
out[11] = vsubq_s32(zero, u[7]);
out[12] = u[5];
out[13] = vsubq_s32(zero, u[13]);
out[14] = u[9];
out[15] = vsubq_s32(zero, u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&u[0], &u[8], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&u[12], &u[4], out + 2, out + 3, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[6], &u[14], out + 4, out + 5, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[10], &u[2], out + 6, out + 7, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[3], &u[11], out + 8, out + 9, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[15], &u[7], out + 10, out + 11, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[5], &u[13], out + 12, out + 13, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&u[9], &u[1], out + 14, out + 15, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
}
}
static void idct16x16_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t u[16], v[16], x, y;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
{
// stage 0-1
u[0] = in[0];
u[1] = in[8];
u[2] = in[4];
u[3] = in[12];
u[4] = in[2];
u[5] = in[10];
u[6] = in[6];
u[7] = in[14];
u[8] = in[1];
u[9] = in[9];
u[10] = in[5];
u[11] = in[13];
u[12] = in[3];
u[13] = in[11];
u[14] = in[7];
u[15] = in[15];
// stage 2
v[0] = u[0];
v[1] = u[1];
v[2] = u[2];
v[3] = u[3];
v[4] = u[4];
v[5] = u[5];
v[6] = u[6];
v[7] = u[7];
v[8] = half_btf_neon_mode01_r(&cospi[60], &u[8], &cospi[4], &u[15], &v_bit,
&rnding);
v[9] = half_btf_neon_mode01_r(&cospi[28], &u[9], &cospi[36], &u[14], &v_bit,
&rnding);
v[10] = half_btf_neon_mode01_r(&cospi[44], &u[10], &cospi[20], &u[13],
&v_bit, &rnding);
v[11] = half_btf_neon_mode01_r(&cospi[12], &u[11], &cospi[52], &u[12],
&v_bit, &rnding);
v[12] = half_btf_neon_r(&cospi[52], &u[11], &cospi[12], &u[12], &v_bit,
&rnding);
v[13] = half_btf_neon_r(&cospi[20], &u[10], &cospi[44], &u[13], &v_bit,
&rnding);
v[14] =
half_btf_neon_r(&cospi[36], &u[9], &cospi[28], &u[14], &v_bit, &rnding);
v[15] =
half_btf_neon_r(&cospi[4], &u[8], &cospi[60], &u[15], &v_bit, &rnding);
// stage 3
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = half_btf_neon_mode01_r(&cospi[56], &v[4], &cospi[8], &v[7], &v_bit,
&rnding);
u[5] = half_btf_neon_mode01_r(&cospi[24], &v[5], &cospi[40], &v[6], &v_bit,
&rnding);
u[6] =
half_btf_neon_r(&cospi[40], &v[5], &cospi[24], &v[6], &v_bit, &rnding);
u[7] =
half_btf_neon_r(&cospi[8], &v[4], &cospi[56], &v[7], &v_bit, &rnding);
addsub_neon(v[8], v[9], &u[8], &u[9], &clamp_lo, &clamp_hi);
addsub_neon(v[11], v[10], &u[11], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(v[12], v[13], &u[12], &u[13], &clamp_lo, &clamp_hi);
addsub_neon(v[15], v[14], &u[15], &u[14], &clamp_lo, &clamp_hi);
// stage 4
x = vmlaq_n_s32(rnding, u[0], cospi[32]);
y = vmulq_n_s32(u[1], cospi[32]);
v[0] = vaddq_s32(x, y);
v[0] = vshlq_s32(v[0], v_bit);
v[1] = vsubq_s32(x, y);
v[1] = vshlq_s32(v[1], v_bit);
v[2] = half_btf_neon_mode01_r(&cospi[48], &u[2], &cospi[16], &u[3], &v_bit,
&rnding);
v[3] =
half_btf_neon_r(&cospi[16], &u[2], &cospi[48], &u[3], &v_bit, &rnding);
addsub_neon(u[4], u[5], &v[4], &v[5], &clamp_lo, &clamp_hi);
addsub_neon(u[7], u[6], &v[7], &v[6], &clamp_lo, &clamp_hi);
v[8] = u[8];
v[9] = half_btf_neon_mode10_r(&cospi[16], &u[9], &cospi[48], &u[14], &v_bit,
&rnding);
v[10] = half_btf_neon_mode11_r(&cospi[48], &u[10], &cospi[16], &u[13],
&v_bit, &rnding);
v[11] = u[11];
v[12] = u[12];
v[13] = half_btf_neon_mode10_r(&cospi[16], &u[10], &cospi[48], &u[13],
&v_bit, &rnding);
v[14] =
half_btf_neon_r(&cospi[48], &u[9], &cospi[16], &u[14], &v_bit, &rnding);
v[15] = u[15];
// stage 5
addsub_neon(v[0], v[3], &u[0], &u[3], &clamp_lo, &clamp_hi);
addsub_neon(v[1], v[2], &u[1], &u[2], &clamp_lo, &clamp_hi);
u[4] = v[4];
x = vmulq_n_s32(v[5], cospi[32]);
y = vmlaq_n_s32(rnding, v[6], cospi[32]);
u[5] = vsubq_s32(y, x);
u[5] = vshlq_s32(u[5], v_bit);
u[6] = vaddq_s32(y, x);
u[6] = vshlq_s32(u[6], v_bit);
u[7] = v[7];
addsub_neon(v[8], v[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(v[9], v[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(v[15], v[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(v[14], v[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
// stage 6
addsub_neon(u[0], u[7], &v[0], &v[7], &clamp_lo, &clamp_hi);
addsub_neon(u[1], u[6], &v[1], &v[6], &clamp_lo, &clamp_hi);
addsub_neon(u[2], u[5], &v[2], &v[5], &clamp_lo, &clamp_hi);
addsub_neon(u[3], u[4], &v[3], &v[4], &clamp_lo, &clamp_hi);
v[8] = u[8];
v[9] = u[9];
x = vmulq_n_s32(u[10], cospi[32]);
y = vmlaq_n_s32(rnding, u[13], cospi[32]);
v[10] = vsubq_s32(y, x);
v[10] = vshlq_s32(v[10], v_bit);
v[13] = vaddq_s32(x, y);
v[13] = vshlq_s32(v[13], v_bit);
x = vmulq_n_s32(u[11], cospi[32]);
y = vmlaq_n_s32(rnding, u[12], cospi[32]);
v[11] = vsubq_s32(y, x);
v[11] = vshlq_s32(v[11], v_bit);
v[12] = vaddq_s32(x, y);
v[12] = vshlq_s32(v[12], v_bit);
v[14] = u[14];
v[15] = u[15];
// stage 7
addsub_neon(v[0], v[15], out + 0, out + 15, &clamp_lo, &clamp_hi);
addsub_neon(v[1], v[14], out + 1, out + 14, &clamp_lo, &clamp_hi);
addsub_neon(v[2], v[13], out + 2, out + 13, &clamp_lo, &clamp_hi);
addsub_neon(v[3], v[12], out + 3, out + 12, &clamp_lo, &clamp_hi);
addsub_neon(v[4], v[11], out + 4, out + 11, &clamp_lo, &clamp_hi);
addsub_neon(v[5], v[10], out + 5, out + 10, &clamp_lo, &clamp_hi);
addsub_neon(v[6], v[9], out + 6, out + 9, &clamp_lo, &clamp_hi);
addsub_neon(v[7], v[8], out + 7, out + 8, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int32x4_t rnding_shift = vdupq_n_s32(1 << (out_shift - 1));
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out =
vdupq_n_s32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift, &rnding_shift);
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 16);
}
}
}
static void iadst16x16_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t zero = vdupq_n_s32(0);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
int32x4_t u[16], v[16], x, y;
// Calculate the column 0, 1, 2, 3
// stage 0
// stage 1
// stage 2
v[0] = vmlaq_n_s32(rnding, in[15], cospi[2]);
v[0] = vmlaq_n_s32(v[0], in[0], cospi[62]);
v[0] = vshlq_s32(v[0], v_bit);
v[1] = vmlaq_n_s32(rnding, in[15], cospi[62]);
v[1] = vmlsq_n_s32(v[1], in[0], cospi[2]);
v[1] = vshlq_s32(v[1], v_bit);
v[2] = vmlaq_n_s32(rnding, in[13], cospi[10]);
v[2] = vmlaq_n_s32(v[2], in[2], cospi[54]);
v[2] = vshlq_s32(v[2], v_bit);
v[3] = vmlaq_n_s32(rnding, in[13], cospi[54]);
v[3] = vmlsq_n_s32(v[3], in[2], cospi[10]);
v[3] = vshlq_s32(v[3], v_bit);
v[4] = vmlaq_n_s32(rnding, in[11], cospi[18]);
v[4] = vmlaq_n_s32(v[4], in[4], cospi[46]);
v[4] = vshlq_s32(v[4], v_bit);
v[5] = vmlaq_n_s32(rnding, in[11], cospi[46]);
v[5] = vmlsq_n_s32(v[5], in[4], cospi[18]);
v[5] = vshlq_s32(v[5], v_bit);
v[6] = vmlaq_n_s32(rnding, in[9], cospi[26]);
v[6] = vmlaq_n_s32(v[6], in[6], cospi[38]);
v[6] = vshlq_s32(v[6], v_bit);
v[7] = vmlaq_n_s32(rnding, in[9], cospi[38]);
v[7] = vmlsq_n_s32(v[7], in[6], cospi[26]);
v[7] = vshlq_s32(v[7], v_bit);
v[8] = vmlaq_n_s32(rnding, in[7], cospi[34]);
v[8] = vmlaq_n_s32(v[8], in[8], cospi[30]);
v[8] = vshlq_s32(v[8], v_bit);
v[9] = vmlaq_n_s32(rnding, in[7], cospi[30]);
v[9] = vmlsq_n_s32(v[9], in[8], cospi[34]);
v[9] = vshlq_s32(v[9], v_bit);
v[10] = vmlaq_n_s32(rnding, in[5], cospi[42]);
v[10] = vmlaq_n_s32(v[10], in[10], cospi[22]);
v[10] = vshlq_s32(v[10], v_bit);
v[11] = vmlaq_n_s32(rnding, in[5], cospi[22]);
v[11] = vmlsq_n_s32(v[11], in[10], cospi[42]);
v[11] = vshlq_s32(v[11], v_bit);
v[12] = vmlaq_n_s32(rnding, in[3], cospi[50]);
v[12] = vmlaq_n_s32(v[12], in[12], cospi[14]);
v[12] = vshlq_s32(v[12], v_bit);
v[13] = vmlaq_n_s32(rnding, in[3], cospi[14]);
v[13] = vmlsq_n_s32(v[13], in[12], cospi[50]);
v[13] = vshlq_s32(v[13], v_bit);
v[14] = vmlaq_n_s32(rnding, in[1], cospi[58]);
v[14] = vmlaq_n_s32(v[14], in[14], cospi[6]);
v[14] = vshlq_s32(v[14], v_bit);
v[15] = vmlaq_n_s32(rnding, in[1], cospi[6]);
v[15] = vmlsq_n_s32(v[15], in[14], cospi[58]);
v[15] = vshlq_s32(v[15], v_bit);
// stage 3
addsub_neon(v[0], v[8], &u[0], &u[8], &clamp_lo, &clamp_hi);
addsub_neon(v[1], v[9], &u[1], &u[9], &clamp_lo, &clamp_hi);
addsub_neon(v[2], v[10], &u[2], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(v[3], v[11], &u[3], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(v[4], v[12], &u[4], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(v[5], v[13], &u[5], &u[13], &clamp_lo, &clamp_hi);
addsub_neon(v[6], v[14], &u[6], &u[14], &clamp_lo, &clamp_hi);
addsub_neon(v[7], v[15], &u[7], &u[15], &clamp_lo, &clamp_hi);
// stage 4
v[0] = u[0];
v[1] = u[1];
v[2] = u[2];
v[3] = u[3];
v[4] = u[4];
v[5] = u[5];
v[6] = u[6];
v[7] = u[7];
v[8] = vmlaq_n_s32(rnding, u[8], cospi[8]);
v[8] = vmlaq_n_s32(v[8], u[9], cospi[56]);
v[8] = vshlq_s32(v[8], v_bit);
v[9] = vmlaq_n_s32(rnding, u[8], cospi[56]);
v[9] = vmlsq_n_s32(v[9], u[9], cospi[8]);
v[9] = vshlq_s32(v[9], v_bit);
v[10] = vmlaq_n_s32(rnding, u[10], cospi[40]);
v[10] = vmlaq_n_s32(v[10], u[11], cospi[24]);
v[10] = vshlq_s32(v[10], v_bit);
v[11] = vmlaq_n_s32(rnding, u[10], cospi[24]);
v[11] = vmlsq_n_s32(v[11], u[11], cospi[40]);
v[11] = vshlq_s32(v[11], v_bit);
v[12] = vmlaq_n_s32(rnding, u[12], -cospi[56]);
v[12] = vmlaq_n_s32(v[12], u[13], cospi[8]);
v[12] = vshlq_s32(v[12], v_bit);
v[13] = vmlaq_n_s32(rnding, u[12], cospi[8]);
v[13] = vmlsq_n_s32(v[13], u[13], -cospi[56]);
v[13] = vshlq_s32(v[13], v_bit);
v[14] = vmlaq_n_s32(rnding, u[14], -cospi[24]);
v[14] = vmlaq_n_s32(v[14], u[15], cospi[40]);
v[14] = vshlq_s32(v[14], v_bit);
v[15] = vmlaq_n_s32(rnding, u[14], cospi[40]);
v[15] = vmlsq_n_s32(v[15], u[15], -cospi[24]);
v[15] = vshlq_s32(v[15], v_bit);
// stage 5
addsub_neon(v[0], v[4], &u[0], &u[4], &clamp_lo, &clamp_hi);
addsub_neon(v[1], v[5], &u[1], &u[5], &clamp_lo, &clamp_hi);
addsub_neon(v[2], v[6], &u[2], &u[6], &clamp_lo, &clamp_hi);
addsub_neon(v[3], v[7], &u[3], &u[7], &clamp_lo, &clamp_hi);
addsub_neon(v[8], v[12], &u[8], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(v[9], v[13], &u[9], &u[13], &clamp_lo, &clamp_hi);
addsub_neon(v[10], v[14], &u[10], &u[14], &clamp_lo, &clamp_hi);
addsub_neon(v[11], v[15], &u[11], &u[15], &clamp_lo, &clamp_hi);
// stage 6
v[0] = u[0];
v[1] = u[1];
v[2] = u[2];
v[3] = u[3];
v[4] = vmlaq_n_s32(rnding, u[4], cospi[16]);
v[4] = vmlaq_n_s32(v[4], u[5], cospi[48]);
v[4] = vshlq_s32(v[4], v_bit);
v[5] = vmlaq_n_s32(rnding, u[4], cospi[48]);
v[5] = vmlsq_n_s32(v[5], u[5], cospi[16]);
v[5] = vshlq_s32(v[5], v_bit);
v[6] = vmlaq_n_s32(rnding, u[6], -cospi[48]);
v[6] = vmlaq_n_s32(v[6], u[7], cospi[16]);
v[6] = vshlq_s32(v[6], v_bit);
v[7] = vmlaq_n_s32(rnding, u[6], cospi[16]);
v[7] = vmlsq_n_s32(v[7], u[7], -cospi[48]);
v[7] = vshlq_s32(v[7], v_bit);
v[8] = u[8];
v[9] = u[9];
v[10] = u[10];
v[11] = u[11];
v[12] = vmlaq_n_s32(rnding, u[12], cospi[16]);
v[12] = vmlaq_n_s32(v[12], u[13], cospi[48]);
v[12] = vshlq_s32(v[12], v_bit);
v[13] = vmlaq_n_s32(rnding, u[12], cospi[48]);
v[13] = vmlsq_n_s32(v[13], u[13], cospi[16]);
v[13] = vshlq_s32(v[13], v_bit);
v[14] = vmlaq_n_s32(rnding, u[14], -cospi[48]);
v[14] = vmlaq_n_s32(v[14], u[15], cospi[16]);
v[14] = vshlq_s32(v[14], v_bit);
v[15] = vmlaq_n_s32(rnding, u[14], cospi[16]);
v[15] = vmlsq_n_s32(v[15], u[15], -cospi[48]);
v[15] = vshlq_s32(v[15], v_bit);
// stage 7
addsub_neon(v[0], v[2], &u[0], &u[2], &clamp_lo, &clamp_hi);
addsub_neon(v[1], v[3], &u[1], &u[3], &clamp_lo, &clamp_hi);
addsub_neon(v[4], v[6], &u[4], &u[6], &clamp_lo, &clamp_hi);
addsub_neon(v[5], v[7], &u[5], &u[7], &clamp_lo, &clamp_hi);
addsub_neon(v[8], v[10], &u[8], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(v[9], v[11], &u[9], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(v[12], v[14], &u[12], &u[14], &clamp_lo, &clamp_hi);
addsub_neon(v[13], v[15], &u[13], &u[15], &clamp_lo, &clamp_hi);
// stage 8
v[0] = u[0];
v[1] = u[1];
y = vmlaq_n_s32(rnding, u[2], cospi[32]);
x = vmulq_n_s32(u[3], cospi[32]);
v[2] = vaddq_s32(y, x);
v[2] = vshlq_s32(v[2], v_bit);
v[3] = vsubq_s32(y, x);
v[3] = vshlq_s32(v[3], v_bit);
v[4] = u[4];
v[5] = u[5];
y = vmlaq_n_s32(rnding, u[6], cospi[32]);
x = vmulq_n_s32(u[7], cospi[32]);
v[6] = vaddq_s32(y, x);
v[6] = vshlq_s32(v[6], v_bit);
v[7] = vsubq_s32(y, x);
v[7] = vshlq_s32(v[7], v_bit);
v[8] = u[8];
v[9] = u[9];
y = vmlaq_n_s32(rnding, u[10], cospi[32]);
x = vmulq_n_s32(u[11], cospi[32]);
v[10] = vaddq_s32(y, x);
v[10] = vshlq_s32(v[10], v_bit);
v[11] = vsubq_s32(y, x);
v[11] = vshlq_s32(v[11], v_bit);
v[12] = u[12];
v[13] = u[13];
y = vmlaq_n_s32(rnding, u[14], cospi[32]);
x = vmulq_n_s32(u[15], cospi[32]);
v[14] = vaddq_s32(y, x);
v[14] = vshlq_s32(v[14], v_bit);
v[15] = vsubq_s32(y, x);
v[15] = vshlq_s32(v[15], v_bit);
// stage 9
if (do_cols) {
out[0] = v[0];
out[1] = vsubq_s32(zero, v[8]);
out[2] = v[12];
out[3] = vsubq_s32(zero, v[4]);
out[4] = v[6];
out[5] = vsubq_s32(zero, v[14]);
out[6] = v[10];
out[7] = vsubq_s32(zero, v[2]);
out[8] = v[3];
out[9] = vsubq_s32(zero, v[11]);
out[10] = v[15];
out[11] = vsubq_s32(zero, v[7]);
out[12] = v[5];
out[13] = vsubq_s32(zero, v[13]);
out[14] = v[9];
out[15] = vsubq_s32(zero, v[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t v_shift = vdupq_n_s32(-out_shift);
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
neg_shift_neon(&v[0], &v[8], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
&v_shift, &offset);
neg_shift_neon(&v[12], &v[4], out + 2, out + 3, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[6], &v[14], out + 4, out + 5, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[10], &v[2], out + 6, out + 7, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[3], &v[11], out + 8, out + 9, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[15], &v[7], out + 10, out + 11, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[5], &v[13], out + 12, out + 13, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
neg_shift_neon(&v[9], &v[1], out + 14, out + 15, &clamp_lo_out,
&clamp_hi_out, &v_shift, &offset);
}
}
static void iidentity16_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
(void)bit;
int32x2_t fact = vdup_n_s32(2 * NewSqrt2);
int32x4x2_t a0;
int32x4_t zero = vdupq_n_s32(0);
const int64x2_t rnding = vdupq_n_s64(1 << (NewSqrt2Bits - 1));
for (int i = 0; i < 16; i++) {
a0.val[0] = vreinterpretq_s32_s64(
vmlal_s32(rnding, vmovn_s64(vreinterpretq_s64_s32(in[i])), fact));
a0.val[0] = vreinterpretq_s32_s64(
vshrq_n_s64(vreinterpretq_s64_s32(a0.val[0]), NewSqrt2Bits));
a0.val[1] = vextq_s32(in[i], zero, 1);
a0.val[1] = vreinterpretq_s32_s64(
vmlal_s32(rnding, vmovn_s64(vreinterpretq_s64_s32(a0.val[1])), fact));
a0.val[1] = vreinterpretq_s32_s64(
vshrq_n_s64(vreinterpretq_s64_s32(a0.val[1]), NewSqrt2Bits));
a0 = vzipq_s32(a0.val[0], a0.val[1]);
#if defined(__aarch64__)
out[i] = vreinterpretq_s32_s64(vzip1q_s64(
vreinterpretq_s64_s32(a0.val[0]), vreinterpretq_s64_s32(a0.val[1])));
#else
out[i] = vextq_s32(vextq_s32(a0.val[0], a0.val[0], 2), a0.val[1], 2);
#endif
}
if (!do_cols) {
const int32x4_t rnding_shift = vdupq_n_s32(1 << (out_shift - 1));
const int log_range = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
round_shift_8x8(out, out_shift, &rnding_shift);
highbd_clamp_s32_neon(out, out, &clamp_lo, &clamp_hi, 16);
}
}
static INLINE void idct64_stage8_neon(int32x4_t *u, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int i;
int32x4_t temp1, temp2, temp3, temp4;
temp1 = half_btf_neon_mode10_r(&cospi[32], &u[10], &cospi[32], &u[13], v_bit,
rnding);
u[13] =
half_btf_neon_r(&cospi[32], &u[10], &cospi[32], &u[13], v_bit, rnding);
u[10] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[32], &u[11], &cospi[32], &u[12], v_bit,
rnding);
u[12] =
half_btf_neon_r(&cospi[32], &u[11], &cospi[32], &u[12], v_bit, rnding);
u[11] = temp2;
for (i = 16; i < 20; ++i) {
addsub_neon(u[i], u[i ^ 7], &u[i], &u[i ^ 7], clamp_lo, clamp_hi);
addsub_neon(u[i ^ 15], u[i ^ 8], &u[i ^ 15], &u[i ^ 8], clamp_lo, clamp_hi);
}
temp1 = half_btf_neon_mode10_r(&cospi[16], &u[36], &cospi[48], &u[59], v_bit,
rnding);
temp2 = half_btf_neon_mode10_r(&cospi[16], &u[37], &cospi[48], &u[58], v_bit,
rnding);
temp3 = half_btf_neon_mode10_r(&cospi[16], &u[38], &cospi[48], &u[57], v_bit,
rnding);
temp4 = half_btf_neon_mode10_r(&cospi[16], &u[39], &cospi[48], &u[56], v_bit,
rnding);
u[56] =
half_btf_neon_r(&cospi[48], &u[39], &cospi[16], &u[56], v_bit, rnding);
u[57] =
half_btf_neon_r(&cospi[48], &u[38], &cospi[16], &u[57], v_bit, rnding);
u[58] =
half_btf_neon_r(&cospi[48], &u[37], &cospi[16], &u[58], v_bit, rnding);
u[59] =
half_btf_neon_r(&cospi[48], &u[36], &cospi[16], &u[59], v_bit, rnding);
u[36] = temp1;
u[37] = temp2;
u[38] = temp3;
u[39] = temp4;
temp1 = half_btf_neon_mode11_r(&cospi[48], &u[40], &cospi[16], &u[55], v_bit,
rnding);
temp2 = half_btf_neon_mode11_r(&cospi[48], &u[41], &cospi[16], &u[54], v_bit,
rnding);
temp3 = half_btf_neon_mode11_r(&cospi[48], &u[42], &cospi[16], &u[53], v_bit,
rnding);
temp4 = half_btf_neon_mode11_r(&cospi[48], &u[43], &cospi[16], &u[52], v_bit,
rnding);
u[52] = half_btf_neon_mode10_r(&cospi[16], &u[43], &cospi[48], &u[52], v_bit,
rnding);
u[53] = half_btf_neon_mode10_r(&cospi[16], &u[42], &cospi[48], &u[53], v_bit,
rnding);
u[54] = half_btf_neon_mode10_r(&cospi[16], &u[41], &cospi[48], &u[54], v_bit,
rnding);
u[55] = half_btf_neon_mode10_r(&cospi[16], &u[40], &cospi[48], &u[55], v_bit,
rnding);
u[40] = temp1;
u[41] = temp2;
u[42] = temp3;
u[43] = temp4;
}
static INLINE void idct64_stage9_neon(int32x4_t *u, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int i;
int32x4_t temp1, temp2, temp3, temp4;
for (i = 0; i < 8; ++i) {
addsub_neon(u[i], u[15 - i], &u[i], &u[15 - i], clamp_lo, clamp_hi);
}
temp1 = half_btf_neon_mode10_r(&cospi[32], &u[20], &cospi[32], &u[27], v_bit,
rnding);
temp2 = half_btf_neon_mode10_r(&cospi[32], &u[21], &cospi[32], &u[26], v_bit,
rnding);
temp3 = half_btf_neon_mode10_r(&cospi[32], &u[22], &cospi[32], &u[25], v_bit,
rnding);
temp4 = half_btf_neon_mode10_r(&cospi[32], &u[23], &cospi[32], &u[24], v_bit,
rnding);
u[24] =
half_btf_neon_r(&cospi[32], &u[23], &cospi[32], &u[24], v_bit, rnding);
u[25] =
half_btf_neon_r(&cospi[32], &u[22], &cospi[32], &u[25], v_bit, rnding);
u[26] =
half_btf_neon_r(&cospi[32], &u[21], &cospi[32], &u[26], v_bit, rnding);
u[27] =
half_btf_neon_r(&cospi[32], &u[20], &cospi[32], &u[27], v_bit, rnding);
u[20] = temp1;
u[21] = temp2;
u[22] = temp3;
u[23] = temp4;
for (i = 32; i < 40; i++) {
addsub_neon(u[i], u[i ^ 15], &u[i], &u[i ^ 15], clamp_lo, clamp_hi);
}
for (i = 48; i < 56; i++) {
addsub_neon(u[i ^ 15], u[i], &u[i ^ 15], &u[i], clamp_lo, clamp_hi);
}
}
static INLINE void idct64_stage10_neon(int32x4_t *u, const int32_t *cospi,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi,
const int32x4_t *v_bit,
const int32x4_t *rnding) {
int32x4_t temp1, temp2, temp3, temp4;
for (int i = 0; i < 16; i++) {
addsub_neon(u[i], u[31 - i], &u[i], &u[31 - i], clamp_lo, clamp_hi);
}
temp1 = half_btf_neon_mode10_r(&cospi[32], &u[40], &cospi[32], &u[55], v_bit,
rnding);
temp2 = half_btf_neon_mode10_r(&cospi[32], &u[41], &cospi[32], &u[54], v_bit,
rnding);
temp3 = half_btf_neon_mode10_r(&cospi[32], &u[42], &cospi[32], &u[53], v_bit,
rnding);
temp4 = half_btf_neon_mode10_r(&cospi[32], &u[43], &cospi[32], &u[52], v_bit,
rnding);
u[52] =
half_btf_neon_r(&cospi[32], &u[43], &cospi[32], &u[52], v_bit, rnding);
u[53] =
half_btf_neon_r(&cospi[32], &u[42], &cospi[32], &u[53], v_bit, rnding);
u[54] =
half_btf_neon_r(&cospi[32], &u[41], &cospi[32], &u[54], v_bit, rnding);
u[55] =
half_btf_neon_r(&cospi[32], &u[40], &cospi[32], &u[55], v_bit, rnding);
u[40] = temp1;
u[41] = temp2;
u[42] = temp3;
u[43] = temp4;
temp1 = half_btf_neon_mode10_r(&cospi[32], &u[44], &cospi[32], &u[51], v_bit,
rnding);
temp2 = half_btf_neon_mode10_r(&cospi[32], &u[45], &cospi[32], &u[50], v_bit,
rnding);
temp3 = half_btf_neon_mode10_r(&cospi[32], &u[46], &cospi[32], &u[49], v_bit,
rnding);
temp4 = half_btf_neon_mode10_r(&cospi[32], &u[47], &cospi[32], &u[48], v_bit,
rnding);
u[48] =
half_btf_neon_r(&cospi[32], &u[47], &cospi[32], &u[48], v_bit, rnding);
u[49] =
half_btf_neon_r(&cospi[32], &u[46], &cospi[32], &u[49], v_bit, rnding);
u[50] =
half_btf_neon_r(&cospi[32], &u[45], &cospi[32], &u[50], v_bit, rnding);
u[51] =
half_btf_neon_r(&cospi[32], &u[44], &cospi[32], &u[51], v_bit, rnding);
u[44] = temp1;
u[45] = temp2;
u[46] = temp3;
u[47] = temp4;
}
static INLINE void idct64_stage11_neon(int32x4_t *u, int32x4_t *out,
int do_cols, int bd, int out_shift,
const int32x4_t *clamp_lo,
const int32x4_t *clamp_hi) {
for (int i = 0; i < 32; i++) {
addsub_neon(u[i], u[63 - i], out + i, out + 63 - i, clamp_lo, clamp_hi);
}
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t rnding = vdupq_n_s32(1 << (out_shift - 1));
for (int i = 0; i < 64; i += 4) {
round_shift_4x4(out + i, out_shift, &rnding);
highbd_clamp_s32_neon(out + i, out + i, &clamp_lo_out, &clamp_hi_out, 4);
}
}
}
static void idct64x64_low1_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
{
int32x4_t x;
// stage 1
// stage 2
// stage 3
// stage 4
// stage 5
// stage 6
x = half_btf_0_neon_r(&cospi[32], &in[0], &v_bit, &rnding);
// stage 8
// stage 9
// stage 10
// stage 11
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
clamp_lo = vdupq_n_s32(-(1 << (log_range_out - 1)));
clamp_hi = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
if (out_shift != 0) {
int32x4_t offset = vdupq_n_s32((1 << out_shift) >> 1);
x = vaddq_s32(x, offset);
x = vshlq_s32(x, vdupq_n_s32(-out_shift));
}
}
x = vmaxq_s32(x, clamp_lo);
x = vminq_s32(x, clamp_hi);
out[0] = x;
out[1] = x;
out[2] = x;
out[3] = x;
out[4] = x;
out[5] = x;
out[6] = x;
out[7] = x;
out[8] = x;
out[9] = x;
out[10] = x;
out[11] = x;
out[12] = x;
out[13] = x;
out[14] = x;
out[15] = x;
out[16] = x;
out[17] = x;
out[18] = x;
out[19] = x;
out[20] = x;
out[21] = x;
out[22] = x;
out[23] = x;
out[24] = x;
out[25] = x;
out[26] = x;
out[27] = x;
out[28] = x;
out[29] = x;
out[30] = x;
out[31] = x;
out[32] = x;
out[33] = x;
out[34] = x;
out[35] = x;
out[36] = x;
out[37] = x;
out[38] = x;
out[39] = x;
out[40] = x;
out[41] = x;
out[42] = x;
out[43] = x;
out[44] = x;
out[45] = x;
out[46] = x;
out[47] = x;
out[48] = x;
out[49] = x;
out[50] = x;
out[51] = x;
out[52] = x;
out[53] = x;
out[54] = x;
out[55] = x;
out[56] = x;
out[57] = x;
out[58] = x;
out[59] = x;
out[60] = x;
out[61] = x;
out[62] = x;
out[63] = x;
}
}
static void idct64x64_low8_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
int i, j;
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
{
int32x4_t u[64];
// stage 1
u[0] = in[0];
u[8] = in[4];
u[16] = in[2];
u[24] = in[6];
u[32] = in[1];
u[40] = in[5];
u[48] = in[3];
u[56] = in[7];
// stage 2
u[63] = half_btf_0_neon_r(&cospi[1], &u[32], &v_bit, &rnding);
u[32] = half_btf_0_neon_r(&cospi[63], &u[32], &v_bit, &rnding);
u[39] = half_btf_0_m_neon_r(&cospi[57], &u[56], &v_bit, &rnding);
u[56] = half_btf_0_neon_r(&cospi[7], &u[56], &v_bit, &rnding);
u[55] = half_btf_0_neon_r(&cospi[5], &u[40], &v_bit, &rnding);
u[40] = half_btf_0_neon_r(&cospi[59], &u[40], &v_bit, &rnding);
u[47] = half_btf_0_m_neon_r(&cospi[61], &u[48], &v_bit, &rnding);
u[48] = half_btf_0_neon_r(&cospi[3], &u[48], &v_bit, &rnding);
// stage 3
u[31] = half_btf_0_neon_r(&cospi[2], &u[16], &v_bit, &rnding);
u[16] = half_btf_0_neon_r(&cospi[62], &u[16], &v_bit, &rnding);
u[23] = half_btf_0_m_neon_r(&cospi[58], &u[24], &v_bit, &rnding);
u[24] = half_btf_0_neon_r(&cospi[6], &u[24], &v_bit, &rnding);
u[33] = u[32];
u[38] = u[39];
u[41] = u[40];
u[46] = u[47];
u[49] = u[48];
u[54] = u[55];
u[57] = u[56];
u[62] = u[63];
// stage 4
int32x4_t temp1, temp2;
u[15] = half_btf_0_neon_r(&cospi[4], &u[8], &v_bit, &rnding);
u[8] = half_btf_0_neon_r(&cospi[60], &u[8], &v_bit, &rnding);
u[17] = u[16];
u[22] = u[23];
u[25] = u[24];
u[30] = u[31];
temp1 = half_btf_neon_mode10_r(&cospi[4], &u[33], &cospi[60], &u[62],
&v_bit, &rnding);
u[62] =
half_btf_neon_r(&cospi[60], &u[33], &cospi[4], &u[62], &v_bit, &rnding);
u[33] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[36], &u[38], &cospi[28], &u[57],
&v_bit, &rnding);
u[38] = half_btf_neon_mode11_r(&cospi[28], &u[38], &cospi[36], &u[57],
&v_bit, &rnding);
u[57] = temp2;
temp1 = half_btf_neon_mode10_r(&cospi[20], &u[41], &cospi[44], &u[54],
&v_bit, &rnding);
u[54] = half_btf_neon_r(&cospi[44], &u[41], &cospi[20], &u[54], &v_bit,
&rnding);
u[41] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[12], &u[46], &cospi[52], &u[49],
&v_bit, &rnding);
u[49] = half_btf_neon_mode10_r(&cospi[52], &u[46], &cospi[12], &u[49],
&v_bit, &rnding);
u[46] = temp2;
// stage 5
u[9] = u[8];
u[14] = u[15];
temp1 = half_btf_neon_mode10_r(&cospi[8], &u[17], &cospi[56], &u[30],
&v_bit, &rnding);
u[30] =
half_btf_neon_r(&cospi[56], &u[17], &cospi[8], &u[30], &v_bit, &rnding);
u[17] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[24], &u[22], &cospi[40], &u[25],
&v_bit, &rnding);
u[25] = half_btf_neon_mode10_r(&cospi[40], &u[22], &cospi[24], &u[25],
&v_bit, &rnding);
u[22] = temp2;
u[35] = u[32];
u[34] = u[33];
u[36] = u[39];
u[37] = u[38];
u[43] = u[40];
u[42] = u[41];
u[44] = u[47];
u[45] = u[46];
u[51] = u[48];
u[50] = u[49];
u[52] = u[55];
u[53] = u[54];
u[59] = u[56];
u[58] = u[57];
u[60] = u[63];
u[61] = u[62];
// stage 6
temp1 = half_btf_0_neon_r(&cospi[32], &u[0], &v_bit, &rnding);
u[1] = half_btf_0_neon_r(&cospi[32], &u[0], &v_bit, &rnding);
u[0] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[16], &u[9], &cospi[48], &u[14],
&v_bit, &rnding);
u[14] =
half_btf_neon_r(&cospi[48], &u[9], &cospi[16], &u[14], &v_bit, &rnding);
u[9] = temp2;
u[19] = u[16];
u[18] = u[17];
u[20] = u[23];
u[21] = u[22];
u[27] = u[24];
u[26] = u[25];
u[28] = u[31];
u[29] = u[30];
temp1 = half_btf_neon_mode10_r(&cospi[8], &u[34], &cospi[56], &u[61],
&v_bit, &rnding);
u[61] =
half_btf_neon_r(&cospi[56], &u[34], &cospi[8], &u[61], &v_bit, &rnding);
u[34] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[8], &u[35], &cospi[56], &u[60],
&v_bit, &rnding);
u[60] =
half_btf_neon_r(&cospi[56], &u[35], &cospi[8], &u[60], &v_bit, &rnding);
u[35] = temp2;
temp1 = half_btf_neon_mode11_r(&cospi[56], &u[36], &cospi[8], &u[59],
&v_bit, &rnding);
u[59] = half_btf_neon_mode10_r(&cospi[8], &u[36], &cospi[56], &u[59],
&v_bit, &rnding);
u[36] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[56], &u[37], &cospi[8], &u[58],
&v_bit, &rnding);
u[58] = half_btf_neon_mode10_r(&cospi[8], &u[37], &cospi[56], &u[58],
&v_bit, &rnding);
u[37] = temp2;
temp1 = half_btf_neon_mode10_r(&cospi[40], &u[42], &cospi[24], &u[53],
&v_bit, &rnding);
u[53] = half_btf_neon_r(&cospi[24], &u[42], &cospi[40], &u[53], &v_bit,
&rnding);
u[42] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[40], &u[43], &cospi[24], &u[52],
&v_bit, &rnding);
u[52] = half_btf_neon_r(&cospi[24], &u[43], &cospi[40], &u[52], &v_bit,
&rnding);
u[43] = temp2;
temp1 = half_btf_neon_mode11_r(&cospi[24], &u[44], &cospi[40], &u[51],
&v_bit, &rnding);
u[51] = half_btf_neon_mode10_r(&cospi[40], &u[44], &cospi[24], &u[51],
&v_bit, &rnding);
u[44] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[24], &u[45], &cospi[40], &u[50],
&v_bit, &rnding);
u[50] = half_btf_neon_mode10_r(&cospi[40], &u[45], &cospi[24], &u[50],
&v_bit, &rnding);
u[45] = temp2;
// stage 7
u[3] = u[0];
u[2] = u[1];
u[11] = u[8];
u[10] = u[9];
u[12] = u[15];
u[13] = u[14];
temp1 = half_btf_neon_mode10_r(&cospi[16], &u[18], &cospi[48], &u[29],
&v_bit, &rnding);
u[29] = half_btf_neon_r(&cospi[48], &u[18], &cospi[16], &u[29], &v_bit,
&rnding);
u[18] = temp1;
temp2 = half_btf_neon_mode10_r(&cospi[16], &u[19], &cospi[48], &u[28],
&v_bit, &rnding);
u[28] = half_btf_neon_r(&cospi[48], &u[19], &cospi[16], &u[28], &v_bit,
&rnding);
u[19] = temp2;
temp1 = half_btf_neon_mode11_r(&cospi[48], &u[20], &cospi[16], &u[27],
&v_bit, &rnding);
u[27] = half_btf_neon_mode10_r(&cospi[16], &u[20], &cospi[48], &u[27],
&v_bit, &rnding);
u[20] = temp1;
temp2 = half_btf_neon_mode11_r(&cospi[48], &u[21], &cospi[16], &u[26],
&v_bit, &rnding);
u[26] = half_btf_neon_mode10_r(&cospi[16], &u[21], &cospi[48], &u[26],
&v_bit, &rnding);
u[21] = temp2;
for (i = 32; i < 64; i += 16) {
for (j = i; j < i + 4; j++) {
addsub_neon(u[j], u[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi);
addsub_neon(u[j ^ 15], u[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo,
&clamp_hi);
}
}
// stage 8
u[7] = u[0];
u[6] = u[1];
u[5] = u[2];
u[4] = u[3];
u[9] = u[9];
idct64_stage8_neon(u, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 9
idct64_stage9_neon(u, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 10
idct64_stage10_neon(u, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 11
idct64_stage11_neon(u, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
}
static void idct64x64_low16_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
int i, j;
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
{
int32x4_t u[64];
int32x4_t tmp1, tmp2, tmp3, tmp4;
// stage 1
u[0] = in[0];
u[32] = in[1];
u[36] = in[9];
u[40] = in[5];
u[44] = in[13];
u[48] = in[3];
u[52] = in[11];
u[56] = in[7];
u[60] = in[15];
u[16] = in[2];
u[20] = in[10];
u[24] = in[6];
u[28] = in[14];
u[4] = in[8];
u[8] = in[4];
u[12] = in[12];
// stage 2
u[63] = half_btf_0_neon_r(&cospi[1], &u[32], &v_bit, &rnding);
u[32] = half_btf_0_neon_r(&cospi[63], &u[32], &v_bit, &rnding);
u[35] = half_btf_0_m_neon_r(&cospi[49], &u[60], &v_bit, &rnding);
u[60] = half_btf_0_neon_r(&cospi[15], &u[60], &v_bit, &rnding);
u[59] = half_btf_0_neon_r(&cospi[9], &u[36], &v_bit, &rnding);
u[36] = half_btf_0_neon_r(&cospi[55], &u[36], &v_bit, &rnding);
u[39] = half_btf_0_m_neon_r(&cospi[57], &u[56], &v_bit, &rnding);
u[56] = half_btf_0_neon_r(&cospi[7], &u[56], &v_bit, &rnding);
u[55] = half_btf_0_neon_r(&cospi[5], &u[40], &v_bit, &rnding);
u[40] = half_btf_0_neon_r(&cospi[59], &u[40], &v_bit, &rnding);
u[43] = half_btf_0_m_neon_r(&cospi[53], &u[52], &v_bit, &rnding);
u[52] = half_btf_0_neon_r(&cospi[11], &u[52], &v_bit, &rnding);
u[47] = half_btf_0_m_neon_r(&cospi[61], &u[48], &v_bit, &rnding);
u[48] = half_btf_0_neon_r(&cospi[3], &u[48], &v_bit, &rnding);
u[51] = half_btf_0_neon_r(&cospi[13], &u[44], &v_bit, &rnding);
u[44] = half_btf_0_neon_r(&cospi[51], &u[44], &v_bit, &rnding);
// stage 3
u[31] = half_btf_0_neon_r(&cospi[2], &u[16], &v_bit, &rnding);
u[16] = half_btf_0_neon_r(&cospi[62], &u[16], &v_bit, &rnding);
u[19] = half_btf_0_m_neon_r(&cospi[50], &u[28], &v_bit, &rnding);
u[28] = half_btf_0_neon_r(&cospi[14], &u[28], &v_bit, &rnding);
u[27] = half_btf_0_neon_r(&cospi[10], &u[20], &v_bit, &rnding);
u[20] = half_btf_0_neon_r(&cospi[54], &u[20], &v_bit, &rnding);
u[23] = half_btf_0_m_neon_r(&cospi[58], &u[24], &v_bit, &rnding);
u[24] = half_btf_0_neon_r(&cospi[6], &u[24], &v_bit, &rnding);
u[33] = u[32];
u[34] = u[35];
u[37] = u[36];
u[38] = u[39];
u[41] = u[40];
u[42] = u[43];
u[45] = u[44];
u[46] = u[47];
u[49] = u[48];
u[50] = u[51];
u[53] = u[52];
u[54] = u[55];
u[57] = u[56];
u[58] = u[59];
u[61] = u[60];
u[62] = u[63];
// stage 4
u[15] = half_btf_0_neon_r(&cospi[4], &u[8], &v_bit, &rnding);
u[8] = half_btf_0_neon_r(&cospi[60], &u[8], &v_bit, &rnding);
u[11] = half_btf_0_m_neon_r(&cospi[52], &u[12], &v_bit, &rnding);
u[12] = half_btf_0_neon_r(&cospi[12], &u[12], &v_bit, &rnding);
u[17] = u[16];
u[18] = u[19];
u[21] = u[20];
u[22] = u[23];
u[25] = u[24];
u[26] = u[27];
u[29] = u[28];
u[30] = u[31];
tmp1 = half_btf_neon_mode10_r(&cospi[4], &u[33], &cospi[60], &u[62], &v_bit,
&rnding);
tmp2 = half_btf_neon_mode11_r(&cospi[60], &u[34], &cospi[4], &u[61], &v_bit,
&rnding);
tmp3 = half_btf_neon_mode10_r(&cospi[36], &u[37], &cospi[28], &u[58],
&v_bit, &rnding);
tmp4 = half_btf_neon_mode11_r(&cospi[28], &u[38], &cospi[36], &u[57],
&v_bit, &rnding);
u[57] = half_btf_neon_mode10_r(&cospi[36], &u[38], &cospi[28], &u[57],
&v_bit, &rnding);
u[58] = half_btf_neon_r(&cospi[28], &u[37], &cospi[36], &u[58], &v_bit,
&rnding);
u[61] = half_btf_neon_mode10_r(&cospi[4], &u[34], &cospi[60], &u[61],
&v_bit, &rnding);
u[62] =
half_btf_neon_r(&cospi[60], &u[33], &cospi[4], &u[62], &v_bit, &rnding);
u[33] = tmp1;
u[34] = tmp2;
u[37] = tmp3;
u[38] = tmp4;
tmp1 = half_btf_neon_mode10_r(&cospi[20], &u[41], &cospi[44], &u[54],
&v_bit, &rnding);
tmp2 = half_btf_neon_mode11_r(&cospi[44], &u[42], &cospi[20], &u[53],
&v_bit, &rnding);
tmp3 = half_btf_neon_r(&cospi[52], &u[45], &cospi[12], &u[50], &v_bit,
&rnding);
tmp4 = half_btf_neon_mode11_r(&cospi[12], &u[46], &cospi[52], &u[49],
&v_bit, &rnding);
u[49] = half_btf_neon_mode10_r(&cospi[52], &u[46], &cospi[12], &u[49],
&v_bit, &rnding);
u[50] = half_btf_neon_r(&cospi[12], &u[45], &cospi[52], &u[50], &v_bit,
&rnding);
u[53] = half_btf_neon_mode10_r(&cospi[20], &u[42], &cospi[44], &u[53],
&v_bit, &rnding);
u[54] = half_btf_neon_r(&cospi[44], &u[41], &cospi[20], &u[54], &v_bit,
&rnding);
u[41] = tmp1;
u[42] = tmp2;
u[45] = tmp3;
u[46] = tmp4;
// stage 5
u[7] = half_btf_0_neon_r(&cospi[8], &u[4], &v_bit, &rnding);
u[4] = half_btf_0_neon_r(&cospi[56], &u[4], &v_bit, &rnding);
u[9] = u[8];
u[10] = u[11];
u[13] = u[12];
u[14] = u[15];
tmp1 = half_btf_neon_mode10_r(&cospi[8], &u[17], &cospi[56], &u[30], &v_bit,
&rnding);
tmp2 = half_btf_neon_mode11_r(&cospi[56], &u[18], &cospi[8], &u[29], &v_bit,
&rnding);
tmp3 = half_btf_neon_mode10_r(&cospi[40], &u[21], &cospi[24], &u[26],
&v_bit, &rnding);
tmp4 = half_btf_neon_mode11_r(&cospi[24], &u[22], &cospi[40], &u[25],
&v_bit, &rnding);
u[25] = half_btf_neon_mode10_r(&cospi[40], &u[22], &cospi[24], &u[25],
&v_bit, &rnding);
u[26] = half_btf_neon_r(&cospi[24], &u[21], &cospi[40], &u[26], &v_bit,
&rnding);
u[29] = half_btf_neon_mode10_r(&cospi[8], &u[18], &cospi[56], &u[29],
&v_bit, &rnding);
u[30] =
half_btf_neon_r(&cospi[56], &u[17], &cospi[8], &u[30], &v_bit, &rnding);
u[17] = tmp1;
u[18] = tmp2;
u[21] = tmp3;
u[22] = tmp4;
for (i = 32; i < 64; i += 8) {
addsub_neon(u[i + 0], u[i + 3], &u[i + 0], &u[i + 3], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 1], u[i + 2], &u[i + 1], &u[i + 2], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 7], u[i + 4], &u[i + 7], &u[i + 4], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 6], u[i + 5], &u[i + 6], &u[i + 5], &clamp_lo,
&clamp_hi);
}
// stage 6
tmp1 = half_btf_0_neon_r(&cospi[32], &u[0], &v_bit, &rnding);
u[1] = half_btf_0_neon_r(&cospi[32], &u[0], &v_bit, &rnding);
u[0] = tmp1;
u[5] = u[4];
u[6] = u[7];
tmp1 = half_btf_neon_mode10_r(&cospi[16], &u[9], &cospi[48], &u[14], &v_bit,
&rnding);
u[14] =
half_btf_neon_r(&cospi[48], &u[9], &cospi[16], &u[14], &v_bit, &rnding);
u[9] = tmp1;
tmp2 = half_btf_neon_mode01_r(&cospi[48], &u[10], &cospi[16], &u[13],
&v_bit, &rnding);
u[13] = half_btf_neon_mode10_r(&cospi[16], &u[10], &cospi[48], &u[13],
&v_bit, &rnding);
u[10] = tmp2;
for (i = 16; i < 32; i += 8) {
addsub_neon(u[i + 0], u[i + 3], &u[i + 0], &u[i + 3], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 1], u[i + 2], &u[i + 1], &u[i + 2], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 7], u[i + 4], &u[i + 7], &u[i + 4], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 6], u[i + 5], &u[i + 6], &u[i + 5], &clamp_lo,
&clamp_hi);
}
tmp1 = half_btf_neon_mode10_r(&cospi[8], &u[34], &cospi[56], &u[61], &v_bit,
&rnding);
tmp2 = half_btf_neon_mode10_r(&cospi[8], &u[35], &cospi[56], &u[60], &v_bit,
&rnding);
tmp3 = half_btf_neon_mode11_r(&cospi[56], &u[36], &cospi[8], &u[59], &v_bit,
&rnding);
tmp4 = half_btf_neon_mode11_r(&cospi[56], &u[37], &cospi[8], &u[58], &v_bit,
&rnding);
u[58] = half_btf_neon_mode10_r(&cospi[8], &u[37], &cospi[56], &u[58],
&v_bit, &rnding);
u[59] = half_btf_neon_mode10_r(&cospi[8], &u[36], &cospi[56], &u[59],
&v_bit, &rnding);
u[60] =
half_btf_neon_r(&cospi[56], &u[35], &cospi[8], &u[60], &v_bit, &rnding);
u[61] =
half_btf_neon_r(&cospi[56], &u[34], &cospi[8], &u[61], &v_bit, &rnding);
u[34] = tmp1;
u[35] = tmp2;
u[36] = tmp3;
u[37] = tmp4;
tmp1 = half_btf_neon_mode10_r(&cospi[40], &u[42], &cospi[24], &u[53],
&v_bit, &rnding);
tmp2 = half_btf_neon_mode10_r(&cospi[40], &u[43], &cospi[24], &u[52],
&v_bit, &rnding);
tmp3 = half_btf_neon_mode11_r(&cospi[24], &u[44], &cospi[40], &u[51],
&v_bit, &rnding);
tmp4 = half_btf_neon_mode11_r(&cospi[24], &u[45], &cospi[40], &u[50],
&v_bit, &rnding);
u[50] = half_btf_neon_mode10_r(&cospi[40], &u[45], &cospi[24], &u[50],
&v_bit, &rnding);
u[51] = half_btf_neon_mode10_r(&cospi[40], &u[44], &cospi[24], &u[51],
&v_bit, &rnding);
u[52] = half_btf_neon_r(&cospi[24], &u[43], &cospi[40], &u[52], &v_bit,
&rnding);
u[53] = half_btf_neon_r(&cospi[24], &u[42], &cospi[40], &u[53], &v_bit,
&rnding);
u[42] = tmp1;
u[43] = tmp2;
u[44] = tmp3;
u[45] = tmp4;
// stage 7
u[3] = u[0];
u[2] = u[1];
tmp1 = half_btf_neon_mode10_r(&cospi[32], &u[5], &cospi[32], &u[6], &v_bit,
&rnding);
u[6] =
half_btf_neon_r(&cospi[32], &u[5], &cospi[32], &u[6], &v_bit, &rnding);
u[5] = tmp1;
addsub_neon(u[8], u[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(u[9], u[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(u[15], u[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(u[14], u[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
tmp1 = half_btf_neon_mode10_r(&cospi[16], &u[18], &cospi[48], &u[29],
&v_bit, &rnding);
tmp2 = half_btf_neon_mode10_r(&cospi[16], &u[19], &cospi[48], &u[28],
&v_bit, &rnding);
tmp3 = half_btf_neon_mode11_r(&cospi[48], &u[20], &cospi[16], &u[27],
&v_bit, &rnding);
tmp4 = half_btf_neon_mode11_r(&cospi[48], &u[21], &cospi[16], &u[26],
&v_bit, &rnding);
u[26] = half_btf_neon_mode10_r(&cospi[16], &u[21], &cospi[48], &u[26],
&v_bit, &rnding);
u[27] = half_btf_neon_mode10_r(&cospi[16], &u[20], &cospi[48], &u[27],
&v_bit, &rnding);
u[28] = half_btf_neon_r(&cospi[48], &u[19], &cospi[16], &u[28], &v_bit,
&rnding);
u[29] = half_btf_neon_r(&cospi[48], &u[18], &cospi[16], &u[29], &v_bit,
&rnding);
u[18] = tmp1;
u[19] = tmp2;
u[20] = tmp3;
u[21] = tmp4;
for (i = 32; i < 64; i += 16) {
for (j = i; j < i + 4; j++) {
addsub_neon(u[j], u[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi);
addsub_neon(u[j ^ 15], u[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo,
&clamp_hi);
}
}
// stage 8
for (i = 0; i < 4; ++i) {
addsub_neon(u[i], u[7 - i], &u[i], &u[7 - i], &clamp_lo, &clamp_hi);
}
idct64_stage8_neon(u, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 9
idct64_stage9_neon(u, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 10
idct64_stage10_neon(u, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 11
idct64_stage11_neon(u, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
}
static void idct64x64_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
int i, j;
const int32_t *cospi = cospi_arr(bit);
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
{
int32x4_t u[64], v[64];
// stage 1
u[32] = in[1];
u[34] = in[17];
u[36] = in[9];
u[38] = in[25];
u[40] = in[5];
u[42] = in[21];
u[44] = in[13];
u[46] = in[29];
u[48] = in[3];
u[50] = in[19];
u[52] = in[11];
u[54] = in[27];
u[56] = in[7];
u[58] = in[23];
u[60] = in[15];
u[62] = in[31];
v[16] = in[2];
v[18] = in[18];
v[20] = in[10];
v[22] = in[26];
v[24] = in[6];
v[26] = in[22];
v[28] = in[14];
v[30] = in[30];
u[8] = in[4];
u[10] = in[20];
u[12] = in[12];
u[14] = in[28];
v[4] = in[8];
v[6] = in[24];
u[0] = in[0];
u[2] = in[16];
// stage 2
v[32] = half_btf_0_neon_r(&cospi[63], &u[32], &v_bit, &rnding);
v[33] = half_btf_0_m_neon_r(&cospi[33], &u[62], &v_bit, &rnding);
v[34] = half_btf_0_neon_r(&cospi[47], &u[34], &v_bit, &rnding);
v[35] = half_btf_0_m_neon_r(&cospi[49], &u[60], &v_bit, &rnding);
v[36] = half_btf_0_neon_r(&cospi[55], &u[36], &v_bit, &rnding);
v[37] = half_btf_0_m_neon_r(&cospi[41], &u[58], &v_bit, &rnding);
v[38] = half_btf_0_neon_r(&cospi[39], &u[38], &v_bit, &rnding);
v[39] = half_btf_0_m_neon_r(&cospi[57], &u[56], &v_bit, &rnding);
v[40] = half_btf_0_neon_r(&cospi[59], &u[40], &v_bit, &rnding);
v[41] = half_btf_0_m_neon_r(&cospi[37], &u[54], &v_bit, &rnding);
v[42] = half_btf_0_neon_r(&cospi[43], &u[42], &v_bit, &rnding);
v[43] = half_btf_0_m_neon_r(&cospi[53], &u[52], &v_bit, &rnding);
v[44] = half_btf_0_neon_r(&cospi[51], &u[44], &v_bit, &rnding);
v[45] = half_btf_0_m_neon_r(&cospi[45], &u[50], &v_bit, &rnding);
v[46] = half_btf_0_neon_r(&cospi[35], &u[46], &v_bit, &rnding);
v[47] = half_btf_0_m_neon_r(&cospi[61], &u[48], &v_bit, &rnding);
v[48] = half_btf_0_neon_r(&cospi[3], &u[48], &v_bit, &rnding);
v[49] = half_btf_0_neon_r(&cospi[29], &u[46], &v_bit, &rnding);
v[50] = half_btf_0_neon_r(&cospi[19], &u[50], &v_bit, &rnding);
v[51] = half_btf_0_neon_r(&cospi[13], &u[44], &v_bit, &rnding);
v[52] = half_btf_0_neon_r(&cospi[11], &u[52], &v_bit, &rnding);
v[53] = half_btf_0_neon_r(&cospi[21], &u[42], &v_bit, &rnding);
v[54] = half_btf_0_neon_r(&cospi[27], &u[54], &v_bit, &rnding);
v[55] = half_btf_0_neon_r(&cospi[5], &u[40], &v_bit, &rnding);
v[56] = half_btf_0_neon_r(&cospi[7], &u[56], &v_bit, &rnding);
v[57] = half_btf_0_neon_r(&cospi[25], &u[38], &v_bit, &rnding);
v[58] = half_btf_0_neon_r(&cospi[23], &u[58], &v_bit, &rnding);
v[59] = half_btf_0_neon_r(&cospi[9], &u[36], &v_bit, &rnding);
v[60] = half_btf_0_neon_r(&cospi[15], &u[60], &v_bit, &rnding);
v[61] = half_btf_0_neon_r(&cospi[17], &u[34], &v_bit, &rnding);
v[62] = half_btf_0_neon_r(&cospi[31], &u[62], &v_bit, &rnding);
v[63] = half_btf_0_neon_r(&cospi[1], &u[32], &v_bit, &rnding);
// stage 3
u[16] = half_btf_0_neon_r(&cospi[62], &v[16], &v_bit, &rnding);
u[17] = half_btf_0_m_neon_r(&cospi[34], &v[30], &v_bit, &rnding);
u[18] = half_btf_0_neon_r(&cospi[46], &v[18], &v_bit, &rnding);
u[19] = half_btf_0_m_neon_r(&cospi[50], &v[28], &v_bit, &rnding);
u[20] = half_btf_0_neon_r(&cospi[54], &v[20], &v_bit, &rnding);
u[21] = half_btf_0_m_neon_r(&cospi[42], &v[26], &v_bit, &rnding);
u[22] = half_btf_0_neon_r(&cospi[38], &v[22], &v_bit, &rnding);
u[23] = half_btf_0_m_neon_r(&cospi[58], &v[24], &v_bit, &rnding);
u[24] = half_btf_0_neon_r(&cospi[6], &v[24], &v_bit, &rnding);
u[25] = half_btf_0_neon_r(&cospi[26], &v[22], &v_bit, &rnding);
u[26] = half_btf_0_neon_r(&cospi[22], &v[26], &v_bit, &rnding);
u[27] = half_btf_0_neon_r(&cospi[10], &v[20], &v_bit, &rnding);
u[28] = half_btf_0_neon_r(&cospi[14], &v[28], &v_bit, &rnding);
u[29] = half_btf_0_neon_r(&cospi[18], &v[18], &v_bit, &rnding);
u[30] = half_btf_0_neon_r(&cospi[30], &v[30], &v_bit, &rnding);
u[31] = half_btf_0_neon_r(&cospi[2], &v[16], &v_bit, &rnding);
for (i = 32; i < 64; i += 4) {
addsub_neon(v[i + 0], v[i + 1], &u[i + 0], &u[i + 1], &clamp_lo,
&clamp_hi);
addsub_neon(v[i + 3], v[i + 2], &u[i + 3], &u[i + 2], &clamp_lo,
&clamp_hi);
}
// stage 4
v[8] = half_btf_0_neon_r(&cospi[60], &u[8], &v_bit, &rnding);
v[9] = half_btf_0_m_neon_r(&cospi[36], &u[14], &v_bit, &rnding);
v[10] = half_btf_0_neon_r(&cospi[44], &u[10], &v_bit, &rnding);
v[11] = half_btf_0_m_neon_r(&cospi[52], &u[12], &v_bit, &rnding);
v[12] = half_btf_0_neon_r(&cospi[12], &u[12], &v_bit, &rnding);
v[13] = half_btf_0_neon_r(&cospi[20], &u[10], &v_bit, &rnding);
v[14] = half_btf_0_neon_r(&cospi[28], &u[14], &v_bit, &rnding);
v[15] = half_btf_0_neon_r(&cospi[4], &u[8], &v_bit, &rnding);
for (i = 16; i < 32; i += 4) {
addsub_neon(u[i + 0], u[i + 1], &v[i + 0], &v[i + 1], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 3], u[i + 2], &v[i + 3], &v[i + 2], &clamp_lo,
&clamp_hi);
}
for (i = 32; i < 64; i += 4) {
v[i + 0] = u[i + 0];
v[i + 3] = u[i + 3];
}
v[33] = half_btf_neon_mode10_r(&cospi[4], &u[33], &cospi[60], &u[62],
&v_bit, &rnding);
v[34] = half_btf_neon_mode11_r(&cospi[60], &u[34], &cospi[4], &u[61],
&v_bit, &rnding);
v[37] = half_btf_neon_mode10_r(&cospi[36], &u[37], &cospi[28], &u[58],
&v_bit, &rnding);
v[38] = half_btf_neon_mode11_r(&cospi[28], &u[38], &cospi[36], &u[57],
&v_bit, &rnding);
v[41] = half_btf_neon_mode10_r(&cospi[20], &u[41], &cospi[44], &u[54],
&v_bit, &rnding);
v[42] = half_btf_neon_mode11_r(&cospi[44], &u[42], &cospi[20], &u[53],
&v_bit, &rnding);
v[45] = half_btf_neon_mode10_r(&cospi[52], &u[45], &cospi[12], &u[50],
&v_bit, &rnding);
v[46] = half_btf_neon_mode11_r(&cospi[12], &u[46], &cospi[52], &u[49],
&v_bit, &rnding);
v[49] = half_btf_neon_mode10_r(&cospi[52], &u[46], &cospi[12], &u[49],
&v_bit, &rnding);
v[50] = half_btf_neon_r(&cospi[12], &u[45], &cospi[52], &u[50], &v_bit,
&rnding);
v[53] = half_btf_neon_mode10_r(&cospi[20], &u[42], &cospi[44], &u[53],
&v_bit, &rnding);
v[54] = half_btf_neon_r(&cospi[44], &u[41], &cospi[20], &u[54], &v_bit,
&rnding);
v[57] = half_btf_neon_mode10_r(&cospi[36], &u[38], &cospi[28], &u[57],
&v_bit, &rnding);
v[58] = half_btf_neon_r(&cospi[28], &u[37], &cospi[36], &u[58], &v_bit,
&rnding);
v[61] = half_btf_neon_mode10_r(&cospi[4], &u[34], &cospi[60], &u[61],
&v_bit, &rnding);
v[62] =
half_btf_neon_r(&cospi[60], &u[33], &cospi[4], &u[62], &v_bit, &rnding);
// stage 5
u[4] = half_btf_0_neon_r(&cospi[56], &v[4], &v_bit, &rnding);
u[5] = half_btf_0_m_neon_r(&cospi[40], &v[6], &v_bit, &rnding);
u[6] = half_btf_0_neon_r(&cospi[24], &v[6], &v_bit, &rnding);
u[7] = half_btf_0_neon_r(&cospi[8], &v[4], &v_bit, &rnding);
for (i = 8; i < 16; i += 4) {
addsub_neon(v[i + 0], v[i + 1], &u[i + 0], &u[i + 1], &clamp_lo,
&clamp_hi);
addsub_neon(v[i + 3], v[i + 2], &u[i + 3], &u[i + 2], &clamp_lo,
&clamp_hi);
}
for (i = 16; i < 32; i += 4) {
u[i + 0] = v[i + 0];
u[i + 3] = v[i + 3];
}
u[17] = half_btf_neon_mode10_r(&cospi[8], &v[17], &cospi[56], &v[30],
&v_bit, &rnding);
u[18] = half_btf_neon_mode11_r(&cospi[56], &v[18], &cospi[8], &v[29],
&v_bit, &rnding);
u[21] = half_btf_neon_mode10_r(&cospi[40], &v[21], &cospi[24], &v[26],
&v_bit, &rnding);
u[22] = half_btf_neon_mode11_r(&cospi[24], &v[22], &cospi[40], &v[25],
&v_bit, &rnding);
u[25] = half_btf_neon_mode10_r(&cospi[40], &v[22], &cospi[24], &v[25],
&v_bit, &rnding);
u[26] = half_btf_neon_r(&cospi[24], &v[21], &cospi[40], &v[26], &v_bit,
&rnding);
u[29] = half_btf_neon_mode10_r(&cospi[8], &v[18], &cospi[56], &v[29],
&v_bit, &rnding);
u[30] =
half_btf_neon_r(&cospi[56], &v[17], &cospi[8], &v[30], &v_bit, &rnding);
for (i = 32; i < 64; i += 8) {
addsub_neon(v[i + 0], v[i + 3], &u[i + 0], &u[i + 3], &clamp_lo,
&clamp_hi);
addsub_neon(v[i + 1], v[i + 2], &u[i + 1], &u[i + 2], &clamp_lo,
&clamp_hi);
addsub_neon(v[i + 7], v[i + 4], &u[i + 7], &u[i + 4], &clamp_lo,
&clamp_hi);
addsub_neon(v[i + 6], v[i + 5], &u[i + 6], &u[i + 5], &clamp_lo,
&clamp_hi);
}
// stage 6
v[0] = half_btf_0_neon_r(&cospi[32], &u[0], &v_bit, &rnding);
v[1] = half_btf_0_neon_r(&cospi[32], &u[0], &v_bit, &rnding);
v[2] = half_btf_0_neon_r(&cospi[48], &u[2], &v_bit, &rnding);
v[3] = half_btf_0_neon_r(&cospi[16], &u[2], &v_bit, &rnding);
addsub_neon(u[4], u[5], &v[4], &v[5], &clamp_lo, &clamp_hi);
addsub_neon(u[7], u[6], &v[7], &v[6], &clamp_lo, &clamp_hi);
for (i = 8; i < 16; i += 4) {
v[i + 0] = u[i + 0];
v[i + 3] = u[i + 3];
}
v[9] = half_btf_neon_mode10_r(&cospi[16], &u[9], &cospi[48], &u[14], &v_bit,
&rnding);
v[10] = half_btf_neon_mode11_r(&cospi[48], &u[10], &cospi[16], &u[13],
&v_bit, &rnding);
v[13] = half_btf_neon_mode10_r(&cospi[16], &u[10], &cospi[48], &u[13],
&v_bit, &rnding);
v[14] =
half_btf_neon_r(&cospi[48], &u[9], &cospi[16], &u[14], &v_bit, &rnding);
for (i = 16; i < 32; i += 8) {
addsub_neon(u[i + 0], u[i + 3], &v[i + 0], &v[i + 3], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 1], u[i + 2], &v[i + 1], &v[i + 2], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 7], u[i + 4], &v[i + 7], &v[i + 4], &clamp_lo,
&clamp_hi);
addsub_neon(u[i + 6], u[i + 5], &v[i + 6], &v[i + 5], &clamp_lo,
&clamp_hi);
}
for (i = 32; i < 64; i += 8) {
v[i + 0] = u[i + 0];
v[i + 1] = u[i + 1];
v[i + 6] = u[i + 6];
v[i + 7] = u[i + 7];
}
v[34] = half_btf_neon_mode10_r(&cospi[8], &u[34], &cospi[56], &u[61],
&v_bit, &rnding);
v[35] = half_btf_neon_mode10_r(&cospi[8], &u[35], &cospi[56], &u[60],
&v_bit, &rnding);
v[36] = half_btf_neon_mode11_r(&cospi[56], &u[36], &cospi[8], &u[59],
&v_bit, &rnding);
v[37] = half_btf_neon_mode11_r(&cospi[56], &u[37], &cospi[8], &u[58],
&v_bit, &rnding);
v[42] = half_btf_neon_mode10_r(&cospi[40], &u[42], &cospi[24], &u[53],
&v_bit, &rnding);
v[43] = half_btf_neon_mode10_r(&cospi[40], &u[43], &cospi[24], &u[52],
&v_bit, &rnding);
v[44] = half_btf_neon_mode11_r(&cospi[24], &u[44], &cospi[40], &u[51],
&v_bit, &rnding);
v[45] = half_btf_neon_mode11_r(&cospi[24], &u[45], &cospi[40], &u[50],
&v_bit, &rnding);
v[50] = half_btf_neon_mode10_r(&cospi[40], &u[45], &cospi[24], &u[50],
&v_bit, &rnding);
v[51] = half_btf_neon_mode10_r(&cospi[40], &u[44], &cospi[24], &u[51],
&v_bit, &rnding);
v[52] = half_btf_neon_r(&cospi[24], &u[43], &cospi[40], &u[52], &v_bit,
&rnding);
v[53] = half_btf_neon_r(&cospi[24], &u[42], &cospi[40], &u[53], &v_bit,
&rnding);
v[58] = half_btf_neon_mode10_r(&cospi[8], &u[37], &cospi[56], &u[58],
&v_bit, &rnding);
v[59] = half_btf_neon_mode10_r(&cospi[8], &u[36], &cospi[56], &u[59],
&v_bit, &rnding);
v[60] =
half_btf_neon_r(&cospi[56], &u[35], &cospi[8], &u[60], &v_bit, &rnding);
v[61] =
half_btf_neon_r(&cospi[56], &u[34], &cospi[8], &u[61], &v_bit, &rnding);
// stage 7
addsub_neon(v[0], v[3], &u[0], &u[3], &clamp_lo, &clamp_hi);
addsub_neon(v[1], v[2], &u[1], &u[2], &clamp_lo, &clamp_hi);
u[4] = v[4];
u[7] = v[7];
u[5] = half_btf_neon_mode10_r(&cospi[32], &v[5], &cospi[32], &v[6], &v_bit,
&rnding);
u[6] =
half_btf_neon_r(&cospi[32], &v[5], &cospi[32], &v[6], &v_bit, &rnding);
addsub_neon(v[8], v[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_neon(v[9], v[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_neon(v[15], v[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_neon(v[14], v[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
for (i = 16; i < 32; i += 8) {
u[i + 0] = v[i + 0];
u[i + 1] = v[i + 1];
u[i + 6] = v[i + 6];
u[i + 7] = v[i + 7];
}
u[18] = half_btf_neon_mode10_r(&cospi[16], &v[18], &cospi[48], &v[29],
&v_bit, &rnding);
u[19] = half_btf_neon_mode10_r(&cospi[16], &v[19], &cospi[48], &v[28],
&v_bit, &rnding);
u[20] = half_btf_neon_mode11_r(&cospi[48], &v[20], &cospi[16], &v[27],
&v_bit, &rnding);
u[21] = half_btf_neon_mode11_r(&cospi[48], &v[21], &cospi[16], &v[26],
&v_bit, &rnding);
u[26] = half_btf_neon_mode10_r(&cospi[16], &v[21], &cospi[48], &v[26],
&v_bit, &rnding);
u[27] = half_btf_neon_mode10_r(&cospi[16], &v[20], &cospi[48], &v[27],
&v_bit, &rnding);
u[28] = half_btf_neon_r(&cospi[48], &v[19], &cospi[16], &v[28], &v_bit,
&rnding);
u[29] = half_btf_neon_r(&cospi[48], &v[18], &cospi[16], &v[29], &v_bit,
&rnding);
for (i = 32; i < 64; i += 16) {
for (j = i; j < i + 4; j++) {
addsub_neon(v[j], v[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi);
addsub_neon(v[j ^ 15], v[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo,
&clamp_hi);
}
}
// stage 8
for (i = 0; i < 4; ++i) {
addsub_neon(u[i], u[7 - i], &v[i], &v[7 - i], &clamp_lo, &clamp_hi);
}
v[8] = u[8];
v[9] = u[9];
v[14] = u[14];
v[15] = u[15];
v[10] = half_btf_neon_mode10_r(&cospi[32], &u[10], &cospi[32], &u[13],
&v_bit, &rnding);
v[11] = half_btf_neon_mode10_r(&cospi[32], &u[11], &cospi[32], &u[12],
&v_bit, &rnding);
v[12] = half_btf_neon_r(&cospi[32], &u[11], &cospi[32], &u[12], &v_bit,
&rnding);
v[13] = half_btf_neon_r(&cospi[32], &u[10], &cospi[32], &u[13], &v_bit,
&rnding);
for (i = 16; i < 20; ++i) {
addsub_neon(u[i], u[i ^ 7], &v[i], &v[i ^ 7], &clamp_lo, &clamp_hi);
addsub_neon(u[i ^ 15], u[i ^ 8], &v[i ^ 15], &v[i ^ 8], &clamp_lo,
&clamp_hi);
}
for (i = 32; i < 36; ++i) {
v[i] = u[i];
v[i + 12] = u[i + 12];
v[i + 16] = u[i + 16];
v[i + 28] = u[i + 28];
}
v[36] = half_btf_neon_mode10_r(&cospi[16], &u[36], &cospi[48], &u[59],
&v_bit, &rnding);
v[37] = half_btf_neon_mode10_r(&cospi[16], &u[37], &cospi[48], &u[58],
&v_bit, &rnding);
v[38] = half_btf_neon_mode10_r(&cospi[16], &u[38], &cospi[48], &u[57],
&v_bit, &rnding);
v[39] = half_btf_neon_mode10_r(&cospi[16], &u[39], &cospi[48], &u[56],
&v_bit, &rnding);
v[40] = half_btf_neon_mode11_r(&cospi[48], &u[40], &cospi[16], &u[55],
&v_bit, &rnding);
v[41] = half_btf_neon_mode11_r(&cospi[48], &u[41], &cospi[16], &u[54],
&v_bit, &rnding);
v[42] = half_btf_neon_mode11_r(&cospi[48], &u[42], &cospi[16], &u[53],
&v_bit, &rnding);
v[43] = half_btf_neon_mode11_r(&cospi[48], &u[43], &cospi[16], &u[52],
&v_bit, &rnding);
v[52] = half_btf_neon_mode10_r(&cospi[16], &u[43], &cospi[48], &u[52],
&v_bit, &rnding);
v[53] = half_btf_neon_mode10_r(&cospi[16], &u[42], &cospi[48], &u[53],
&v_bit, &rnding);
v[54] = half_btf_neon_mode10_r(&cospi[16], &u[41], &cospi[48], &u[54],
&v_bit, &rnding);
v[55] = half_btf_neon_mode10_r(&cospi[16], &u[40], &cospi[48], &u[55],
&v_bit, &rnding);
v[56] = half_btf_neon_r(&cospi[48], &u[39], &cospi[16], &u[56], &v_bit,
&rnding);
v[57] = half_btf_neon_r(&cospi[48], &u[38], &cospi[16], &u[57], &v_bit,
&rnding);
v[58] = half_btf_neon_r(&cospi[48], &u[37], &cospi[16], &u[58], &v_bit,
&rnding);
v[59] = half_btf_neon_r(&cospi[48], &u[36], &cospi[16], &u[59], &v_bit,
&rnding);
// stage 9
for (i = 0; i < 8; ++i) {
addsub_neon(v[i], v[15 - i], &u[i], &u[15 - i], &clamp_lo, &clamp_hi);
}
for (i = 16; i < 20; ++i) {
u[i] = v[i];
u[i + 12] = v[i + 12];
}
u[20] = half_btf_neon_mode10_r(&cospi[32], &v[20], &cospi[32], &v[27],
&v_bit, &rnding);
u[21] = half_btf_neon_mode10_r(&cospi[32], &v[21], &cospi[32], &v[26],
&v_bit, &rnding);
u[22] = half_btf_neon_mode10_r(&cospi[32], &v[22], &cospi[32], &v[25],
&v_bit, &rnding);
u[23] = half_btf_neon_mode10_r(&cospi[32], &v[23], &cospi[32], &v[24],
&v_bit, &rnding);
u[24] = half_btf_neon_r(&cospi[32], &v[23], &cospi[32], &v[24], &v_bit,
&rnding);
u[25] = half_btf_neon_r(&cospi[32], &v[22], &cospi[32], &v[25], &v_bit,
&rnding);
u[26] = half_btf_neon_r(&cospi[32], &v[21], &cospi[32], &v[26], &v_bit,
&rnding);
u[27] = half_btf_neon_r(&cospi[32], &v[20], &cospi[32], &v[27], &v_bit,
&rnding);
for (i = 32; i < 40; i++) {
addsub_neon(v[i], v[i ^ 15], &u[i], &u[i ^ 15], &clamp_lo, &clamp_hi);
}
for (i = 48; i < 56; i++) {
addsub_neon(v[i ^ 15], v[i], &u[i ^ 15], &u[i], &clamp_lo, &clamp_hi);
}
// stage 10
for (i = 0; i < 16; i++) {
addsub_neon(u[i], u[31 - i], &v[i], &v[31 - i], &clamp_lo, &clamp_hi);
}
for (i = 32; i < 40; i++) v[i] = u[i];
v[40] = half_btf_neon_mode10_r(&cospi[32], &u[40], &cospi[32], &u[55],
&v_bit, &rnding);
v[41] = half_btf_neon_mode10_r(&cospi[32], &u[41], &cospi[32], &u[54],
&v_bit, &rnding);
v[42] = half_btf_neon_mode10_r(&cospi[32], &u[42], &cospi[32], &u[53],
&v_bit, &rnding);
v[43] = half_btf_neon_mode10_r(&cospi[32], &u[43], &cospi[32], &u[52],
&v_bit, &rnding);
v[44] = half_btf_neon_mode10_r(&cospi[32], &u[44], &cospi[32], &u[51],
&v_bit, &rnding);
v[45] = half_btf_neon_mode10_r(&cospi[32], &u[45], &cospi[32], &u[50],
&v_bit, &rnding);
v[46] = half_btf_neon_mode10_r(&cospi[32], &u[46], &cospi[32], &u[49],
&v_bit, &rnding);
v[47] = half_btf_neon_mode10_r(&cospi[32], &u[47], &cospi[32], &u[48],
&v_bit, &rnding);
v[48] = half_btf_neon_r(&cospi[32], &u[47], &cospi[32], &u[48], &v_bit,
&rnding);
v[49] = half_btf_neon_r(&cospi[32], &u[46], &cospi[32], &u[49], &v_bit,
&rnding);
v[50] = half_btf_neon_r(&cospi[32], &u[45], &cospi[32], &u[50], &v_bit,
&rnding);
v[51] = half_btf_neon_r(&cospi[32], &u[44], &cospi[32], &u[51], &v_bit,
&rnding);
v[52] = half_btf_neon_r(&cospi[32], &u[43], &cospi[32], &u[52], &v_bit,
&rnding);
v[53] = half_btf_neon_r(&cospi[32], &u[42], &cospi[32], &u[53], &v_bit,
&rnding);
v[54] = half_btf_neon_r(&cospi[32], &u[41], &cospi[32], &u[54], &v_bit,
&rnding);
v[55] = half_btf_neon_r(&cospi[32], &u[40], &cospi[32], &u[55], &v_bit,
&rnding);
for (i = 56; i < 64; i++) v[i] = u[i];
// stage 11
for (i = 0; i < 32; i++) {
addsub_neon(v[i], v[63 - i], &out[(i)], &out[(63 - i)], &clamp_lo,
&clamp_hi);
}
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out =
vdupq_n_s32((1 << (log_range_out - 1)) - 1);
const int32x4_t rnding32 = vdupq_n_s32(1 << (out_shift - 1));
for (i = 0; i < 64; i += 4) {
round_shift_4x4(out + i, out_shift, &rnding32);
highbd_clamp_s32_neon(out + i, out + i, &clamp_lo_out, &clamp_hi_out,
4);
}
}
}
}
static void idct32x32_low1_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t bf1;
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-1
bf1 = in[0];
// stage 2-5
bf1 = half_btf_0_neon_r(&cospi[32], &bf1, &v_bit, &rnding);
// stage 6-9
if (do_cols) {
bf1 = vmaxq_s32(bf1, clamp_lo);
bf1 = vminq_s32(bf1, clamp_hi);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
clamp_lo = vdupq_n_s32(-(1 << (log_range_out - 1)));
clamp_hi = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
if (out_shift != 0) {
bf1 = vrshlq_s32(bf1, vdupq_n_s32(-out_shift));
}
}
bf1 = vmaxq_s32(bf1, clamp_lo);
bf1 = vminq_s32(bf1, clamp_hi);
for (int i = 0; i < 32; i++) out[i] = bf1;
}
static void idct32x32_low8_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t bf1[32];
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-1
bf1[0] = in[0];
bf1[4] = in[4];
bf1[8] = in[2];
bf1[12] = in[6];
bf1[16] = in[1];
bf1[20] = in[5];
bf1[24] = in[3];
bf1[28] = in[7];
// stage 2
bf1[31] = half_btf_0_neon_r(&cospi[2], &bf1[16], &v_bit, &rnding);
bf1[16] = half_btf_0_neon_r(&cospi[62], &bf1[16], &v_bit, &rnding);
bf1[19] = half_btf_0_m_neon_r(&cospi[50], &bf1[28], &v_bit, &rnding);
bf1[28] = half_btf_0_neon_r(&cospi[14], &bf1[28], &v_bit, &rnding);
bf1[27] = half_btf_0_neon_r(&cospi[10], &bf1[20], &v_bit, &rnding);
bf1[20] = half_btf_0_neon_r(&cospi[54], &bf1[20], &v_bit, &rnding);
bf1[23] = half_btf_0_m_neon_r(&cospi[58], &bf1[24], &v_bit, &rnding);
bf1[24] = half_btf_0_neon_r(&cospi[6], &bf1[24], &v_bit, &rnding);
// stage 3
bf1[15] = half_btf_0_neon_r(&cospi[4], &bf1[8], &v_bit, &rnding);
bf1[8] = half_btf_0_neon_r(&cospi[60], &bf1[8], &v_bit, &rnding);
bf1[11] = half_btf_0_m_neon_r(&cospi[52], &bf1[12], &v_bit, &rnding);
bf1[12] = half_btf_0_neon_r(&cospi[12], &bf1[12], &v_bit, &rnding);
bf1[17] = bf1[16];
bf1[18] = bf1[19];
bf1[21] = bf1[20];
bf1[22] = bf1[23];
bf1[25] = bf1[24];
bf1[26] = bf1[27];
bf1[29] = bf1[28];
bf1[30] = bf1[31];
// stage 4 :
bf1[7] = half_btf_0_neon_r(&cospi[8], &bf1[4], &v_bit, &rnding);
bf1[4] = half_btf_0_neon_r(&cospi[56], &bf1[4], &v_bit, &rnding);
bf1[9] = bf1[8];
bf1[10] = bf1[11];
bf1[13] = bf1[12];
bf1[14] = bf1[15];
idct32_stage4_neon(bf1, cospi, &v_bit, &rnding);
// stage 5
bf1[0] = half_btf_0_neon_r(&cospi[32], &bf1[0], &v_bit, &rnding);
bf1[1] = bf1[0];
bf1[5] = bf1[4];
bf1[6] = bf1[7];
idct32_stage5_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 6
bf1[3] = bf1[0];
bf1[2] = bf1[1];
idct32_stage6_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 7
idct32_stage7_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 8
idct32_stage8_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 9
idct32_stage9_neon(bf1, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
static void idct32x32_low16_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t bf1[32];
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0-1
bf1[0] = in[0];
bf1[2] = in[8];
bf1[4] = in[4];
bf1[6] = in[12];
bf1[8] = in[2];
bf1[10] = in[10];
bf1[12] = in[6];
bf1[14] = in[14];
bf1[16] = in[1];
bf1[18] = in[9];
bf1[20] = in[5];
bf1[22] = in[13];
bf1[24] = in[3];
bf1[26] = in[11];
bf1[28] = in[7];
bf1[30] = in[15];
// stage 2
bf1[31] = half_btf_0_neon_r(&cospi[2], &bf1[16], &v_bit, &rnding);
bf1[16] = half_btf_0_neon_r(&cospi[62], &bf1[16], &v_bit, &rnding);
bf1[17] = half_btf_0_m_neon_r(&cospi[34], &bf1[30], &v_bit, &rnding);
bf1[30] = half_btf_0_neon_r(&cospi[30], &bf1[30], &v_bit, &rnding);
bf1[29] = half_btf_0_neon_r(&cospi[18], &bf1[18], &v_bit, &rnding);
bf1[18] = half_btf_0_neon_r(&cospi[46], &bf1[18], &v_bit, &rnding);
bf1[19] = half_btf_0_m_neon_r(&cospi[50], &bf1[28], &v_bit, &rnding);
bf1[28] = half_btf_0_neon_r(&cospi[14], &bf1[28], &v_bit, &rnding);
bf1[27] = half_btf_0_neon_r(&cospi[10], &bf1[20], &v_bit, &rnding);
bf1[20] = half_btf_0_neon_r(&cospi[54], &bf1[20], &v_bit, &rnding);
bf1[21] = half_btf_0_m_neon_r(&cospi[42], &bf1[26], &v_bit, &rnding);
bf1[26] = half_btf_0_neon_r(&cospi[22], &bf1[26], &v_bit, &rnding);
bf1[25] = half_btf_0_neon_r(&cospi[26], &bf1[22], &v_bit, &rnding);
bf1[22] = half_btf_0_neon_r(&cospi[38], &bf1[22], &v_bit, &rnding);
bf1[23] = half_btf_0_m_neon_r(&cospi[58], &bf1[24], &v_bit, &rnding);
bf1[24] = half_btf_0_neon_r(&cospi[6], &bf1[24], &v_bit, &rnding);
// stage 3
bf1[15] = half_btf_0_neon_r(&cospi[4], &bf1[8], &v_bit, &rnding);
bf1[8] = half_btf_0_neon_r(&cospi[60], &bf1[8], &v_bit, &rnding);
bf1[9] = half_btf_0_m_neon_r(&cospi[36], &bf1[14], &v_bit, &rnding);
bf1[14] = half_btf_0_neon_r(&cospi[28], &bf1[14], &v_bit, &rnding);
bf1[13] = half_btf_0_neon_r(&cospi[20], &bf1[10], &v_bit, &rnding);
bf1[10] = half_btf_0_neon_r(&cospi[44], &bf1[10], &v_bit, &rnding);
bf1[11] = half_btf_0_m_neon_r(&cospi[52], &bf1[12], &v_bit, &rnding);
bf1[12] = half_btf_0_neon_r(&cospi[12], &bf1[12], &v_bit, &rnding);
addsub_neon(bf1[16], bf1[17], bf1 + 16, bf1 + 17, &clamp_lo, &clamp_hi);
addsub_neon(bf1[19], bf1[18], bf1 + 19, bf1 + 18, &clamp_lo, &clamp_hi);
addsub_neon(bf1[20], bf1[21], bf1 + 20, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_neon(bf1[23], bf1[22], bf1 + 23, bf1 + 22, &clamp_lo, &clamp_hi);
addsub_neon(bf1[24], bf1[25], bf1 + 24, bf1 + 25, &clamp_lo, &clamp_hi);
addsub_neon(bf1[27], bf1[26], bf1 + 27, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_neon(bf1[28], bf1[29], bf1 + 28, bf1 + 29, &clamp_lo, &clamp_hi);
addsub_neon(bf1[31], bf1[30], bf1 + 31, bf1 + 30, &clamp_lo, &clamp_hi);
// stage 4
bf1[7] = half_btf_0_neon_r(&cospi[8], &bf1[4], &v_bit, &rnding);
bf1[4] = half_btf_0_neon_r(&cospi[56], &bf1[4], &v_bit, &rnding);
bf1[5] = half_btf_0_m_neon_r(&cospi[40], &bf1[6], &v_bit, &rnding);
bf1[6] = half_btf_0_neon_r(&cospi[24], &bf1[6], &v_bit, &rnding);
addsub_neon(bf1[8], bf1[9], bf1 + 8, bf1 + 9, &clamp_lo, &clamp_hi);
addsub_neon(bf1[11], bf1[10], bf1 + 11, bf1 + 10, &clamp_lo, &clamp_hi);
addsub_neon(bf1[12], bf1[13], bf1 + 12, bf1 + 13, &clamp_lo, &clamp_hi);
addsub_neon(bf1[15], bf1[14], bf1 + 15, bf1 + 14, &clamp_lo, &clamp_hi);
idct32_stage4_neon(bf1, cospi, &v_bit, &rnding);
// stage 5
bf1[0] = half_btf_0_neon_r(&cospi[32], &bf1[0], &v_bit, &rnding);
bf1[1] = bf1[0];
bf1[3] = half_btf_0_neon_r(&cospi[16], &bf1[2], &v_bit, &rnding);
bf1[2] = half_btf_0_neon_r(&cospi[48], &bf1[2], &v_bit, &rnding);
addsub_neon(bf1[4], bf1[5], bf1 + 4, bf1 + 5, &clamp_lo, &clamp_hi);
addsub_neon(bf1[7], bf1[6], bf1 + 7, bf1 + 6, &clamp_lo, &clamp_hi);
idct32_stage5_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 6
addsub_neon(bf1[0], bf1[3], bf1 + 0, bf1 + 3, &clamp_lo, &clamp_hi);
addsub_neon(bf1[1], bf1[2], bf1 + 1, bf1 + 2, &clamp_lo, &clamp_hi);
idct32_stage6_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 7
idct32_stage7_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 8
idct32_stage8_neon(bf1, cospi, &clamp_lo, &clamp_hi, &v_bit, &rnding);
// stage 9
idct32_stage9_neon(bf1, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
static void idct32x32_neon(int32x4_t *in, int32x4_t *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const int32x4_t clamp_lo = vdupq_n_s32(-(1 << (log_range - 1)));
const int32x4_t clamp_hi = vdupq_n_s32((1 << (log_range - 1)) - 1);
int32x4_t bf1[32], bf0[32];
const int32x4_t v_bit = vdupq_n_s32(-bit);
const int32x4_t rnding = vdupq_n_s32(1 << (bit - 1));
// stage 0
// stage 1
bf1[0] = in[0];
bf1[1] = in[16];
bf1[2] = in[8];
bf1[3] = in[24];
bf1[4] = in[4];
bf1[5] = in[20];
bf1[6] = in[12];
bf1[7] = in[28];
bf1[8] = in[2];
bf1[9] = in[18];
bf1[10] = in[10];
bf1[11] = in[26];
bf1[12] = in[6];
bf1[13] = in[22];
bf1[14] = in[14];
bf1[15] = in[30];
bf1[16] = in[1];
bf1[17] = in[17];
bf1[18] = in[9];
bf1[19] = in[25];
bf1[20] = in[5];
bf1[21] = in[21];
bf1[22] = in[13];
bf1[23] = in[29];
bf1[24] = in[3];
bf1[25] = in[19];
bf1[26] = in[11];
bf1[27] = in[27];
bf1[28] = in[7];
bf1[29] = in[23];
bf1[30] = in[15];
bf1[31] = in[31];
// stage 2
for (int i = 0; i < 16; i++) bf0[i] = bf1[i];
bf0[16] = half_btf_neon_mode01_r(&cospi[62], &bf1[16], &cospi[2], &bf1[31],
&v_bit, &rnding);
bf0[17] = half_btf_neon_mode01_r(&cospi[30], &bf1[17], &cospi[34], &bf1[30],
&v_bit, &rnding);
bf0[18] = half_btf_neon_mode01_r(&cospi[46], &bf1[18], &cospi[18], &bf1[29],
&v_bit, &rnding);
bf0[19] = half_btf_neon_mode01_r(&cospi[14], &bf1[19], &cospi[50], &bf1[28],
&v_bit, &rnding);
bf0[20] = half_btf_neon_mode01_r(&cospi[54], &bf1[20], &cospi[10], &bf1[27],
&v_bit, &rnding);
bf0[21] = half_btf_neon_mode01_r(&cospi[22], &bf1[21], &cospi[42], &bf1[26],
&v_bit, &rnding);
bf0[22] = half_btf_neon_mode01_r(&cospi[38], &bf1[22], &cospi[26], &bf1[25],
&v_bit, &rnding);
bf0[23] = half_btf_neon_mode01_r(&cospi[6], &bf1[23], &cospi[58], &bf1[24],
&v_bit, &rnding);
bf0[24] = half_btf_neon_r(&cospi[58], &bf1[23], &cospi[6], &bf1[24], &v_bit,
&rnding);
bf0[25] = half_btf_neon_r(&cospi[26], &bf1[22], &cospi[38], &bf1[25], &v_bit,
&rnding);
bf0[26] = half_btf_neon_r(&cospi[42], &bf1[21], &cospi[22], &bf1[26], &v_bit,
&rnding);
bf0[27] = half_btf_neon_r(&cospi[10], &bf1[20], &cospi[54], &bf1[27], &v_bit,
&rnding);
bf0[28] = half_btf_neon_r(&cospi[50], &bf1[19], &cospi[14], &bf1[28], &v_bit,
&rnding);
bf0[29] = half_btf_neon_r(&cospi[18], &bf1[18], &cospi[46], &bf1[29], &v_bit,
&rnding);
bf0[30] = half_btf_neon_r(&cospi[34], &bf1[17], &cospi[30], &bf1[30], &v_bit,
&rnding);
bf0[31] = half_btf_neon_r(&cospi[2], &bf1[16], &cospi[62], &bf1[31], &v_bit,
&rnding);
// stage 3
for (int i = 0; i < 8; i++) bf1[i] = bf0[i];
bf1[8] = half_btf_neon_mode01_r(&cospi[60], &bf0[8], &cospi[4], &bf0[15],
&v_bit, &rnding);
bf1[9] = half_btf_neon_mode01_r(&cospi[28], &bf0[9], &cospi[36], &bf0[14],
&v_bit, &rnding);
bf1[10] = half_btf_neon_mode01_r(&cospi[44], &bf0[10], &cospi[20], &bf0[13],
&v_bit, &rnding);
bf1[11] = half_btf_neon_mode01_r(&cospi[12], &bf0[11], &cospi[52], &bf0[12],
&v_bit, &rnding);
bf1[12] = half_btf_neon_r(&cospi[52], &bf0[11], &cospi[12], &bf0[12], &v_bit,
&rnding);
bf1[13] = half_btf_neon_r(&cospi[20], &bf0[10], &cospi[44], &bf0[13], &v_bit,
&rnding);
bf1[14] = half_btf_neon_r(&cospi[36], &bf0[9], &cospi[28], &bf0[14], &v_bit,
&rnding);
bf1[15] = half_btf_neon_r(&cospi[4], &bf0[8], &cospi[60], &bf0[15], &v_bit,
&rnding);
addsub_neon(bf0[16], bf0[17], bf1 + 16, bf1 + 17, &clamp_lo, &clamp_hi);
addsub_neon(bf0[19], bf0[18], bf1 + 19, bf1 + 18, &clamp_lo, &clamp_hi);
addsub_neon(bf0[20], bf0[21], bf1 + 20, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_neon(bf0[23], bf0[22], bf1 + 23, bf1 + 22, &clamp_lo, &clamp_hi);
addsub_neon(bf0[24], bf0[25], bf1 + 24, bf1 + 25, &clamp_lo, &clamp_hi);
addsub_neon(bf0[27], bf0[26], bf1 + 27, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_neon(bf0[28], bf0[29], bf1 + 28, bf1 + 29, &clamp_lo, &clamp_hi);
addsub_neon(bf0[31], bf0[30], bf1 + 31, bf1 + 30, &clamp_lo, &clamp_hi);
// stage 4
bf0[0] = bf1[0];
bf0[1] = bf1[1];
bf0[2] = bf1[2];
bf0[3] = bf1[3];
bf0[4] = half_btf_neon_mode01_r(&cospi[56], &bf1[4], &cospi[8], &bf1[7],
&v_bit, &rnding);
bf0[5] = half_btf_neon_mode01_r(&cospi[24], &bf1[5], &cospi[40], &bf1[6],
&v_bit, &rnding);
bf0[6] = half_btf_neon_r(&cospi[40], &bf1[5], &cospi[24], &bf1[6], &v_bit,
&rnding);
bf0[7] =
half_btf_neon_r(&cospi[8], &bf1[4], &cospi[56], &bf1[7], &v_bit, &rnding);
addsub_neon(bf1[8], bf1[9], bf0 + 8, bf0 + 9, &clamp_lo, &clamp_hi);
addsub_neon(bf1[11], bf1[10], bf0 + 11, bf0 + 10, &clamp_lo, &clamp_hi);
addsub_neon(bf1[12], bf1[13], bf0 + 12, bf0 + 13, &clamp_lo, &clamp_hi);
addsub_neon(bf1[15], bf1[14], bf0 + 15, bf0 + 14, &clamp_lo, &clamp_hi);
bf0[16] = bf1[16];
bf0[17] = half_btf_neon_mode10_r(&cospi[8], &bf1[17], &cospi[56], &bf1[30],
&v_bit, &rnding);
bf0[18] = half_btf_neon_mode11_r(&cospi[56], &bf1[18], &cospi[8], &bf1[29],
&v_bit, &rnding);
bf0[19] = bf1[19];
bf0[20] = bf1[20];
bf0[21] = half_btf_neon_mode10_r(&cospi[40], &bf1[21], &cospi[24], &bf1[26],
&v_bit, &rnding);
bf0[22] = half_btf_neon_mode11_r(&cospi[24], &bf1[22], &cospi[40], &bf1[25],
&v_bit, &rnding);
bf0[23] = bf1[23];
bf0[24] = bf1[24];
bf0[25] = half_btf_neon_mode10_r(&cospi[40], &bf1[22], &cospi[24], &bf1[25],
&v_bit, &rnding);
bf0[26] = half_btf_neon_r(&cospi[24], &bf1[21], &cospi[40], &bf1[26], &v_bit,
&rnding);
bf0[27] = bf1[27];
bf0[28] = bf1[28];
bf0[29] = half_btf_neon_mode10_r(&cospi[8], &bf1[18], &cospi[56], &bf1[29],
&v_bit, &rnding);
bf0[30] = half_btf_neon_r(&cospi[56], &bf1[17], &cospi[8], &bf1[30], &v_bit,
&rnding);
bf0[31] = bf1[31];
// stage 5
bf1[0] = half_btf_neon_r(&cospi[32], &bf0[0], &cospi[32], &bf0[1], &v_bit,
&rnding);
bf1[1] = half_btf_neon_mode01_r(&cospi[32], &bf0[0], &cospi[32], &bf0[1],
&v_bit, &rnding);
bf1[2] = half_btf_neon_mode01_r(&cospi[48], &bf0[2], &cospi[16], &bf0[3],
&v_bit, &rnding);
bf1[3] = half_btf_neon_r(&cospi[16], &bf0[2], &cospi[48], &bf0[3], &v_bit,
&rnding);
addsub_neon(bf0[4], bf0[5], bf1 + 4, bf1 + 5, &clamp_lo, &clamp_hi);
addsub_neon(bf0[7], bf0[6], bf1 + 7, bf1 + 6, &clamp_lo, &clamp_hi);
bf1[8] = bf0[8];
bf1[9] = half_btf_neon_mode10_r(&cospi[16], &bf0[9], &cospi[48], &bf0[14],
&v_bit, &rnding);
bf1[10] = half_btf_neon_mode11_r(&cospi[48], &bf0[10], &cospi[16], &bf0[13],
&v_bit, &rnding);
bf1[11] = bf0[11];
bf1[12] = bf0[12];
bf1[13] = half_btf_neon_mode10_r(&cospi[16], &bf0[10], &cospi[48], &bf0[13],
&v_bit, &rnding);
bf1[14] = half_btf_neon_r(&cospi[48], &bf0[9], &cospi[16], &bf0[14], &v_bit,
&rnding);
bf1[15] = bf0[15];
addsub_neon(bf0[16], bf0[19], bf1 + 16, bf1 + 19, &clamp_lo, &clamp_hi);
addsub_neon(bf0[17], bf0[18], bf1 + 17, bf1 + 18, &clamp_lo, &clamp_hi);
addsub_neon(bf0[23], bf0[20], bf1 + 23, bf1 + 20, &clamp_lo, &clamp_hi);
addsub_neon(bf0[22], bf0[21], bf1 + 22, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_neon(bf0[24], bf0[27], bf1 + 24, bf1 + 27, &clamp_lo, &clamp_hi);
addsub_neon(bf0[25], bf0[26], bf1 + 25, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_neon(bf0[31], bf0[28], bf1 + 31, bf1 + 28, &clamp_lo, &clamp_hi);
addsub_neon(bf0[30], bf0[29], bf1 + 30, bf1 + 29, &clamp_lo, &clamp_hi);
// stage 6
addsub_neon(bf1[0], bf1[3], bf0 + 0, bf0 + 3, &clamp_lo, &clamp_hi);
addsub_neon(bf1[1], bf1[2], bf0 + 1, bf0 + 2, &clamp_lo, &clamp_hi);
bf0[4] = bf1[4];
bf0[5] = half_btf_neon_mode10_r(&cospi[32], &bf1[5], &cospi[32], &bf1[6],
&v_bit, &rnding);
bf0[6] = half_btf_neon_r(&cospi[32], &bf1[5], &cospi[32], &bf1[6], &v_bit,
&rnding);
bf0[7] = bf1[7];
addsub_neon(bf1[8], bf1[11], bf0 + 8, bf0 + 11, &clamp_lo, &clamp_hi);
addsub_neon(bf1[9], bf1[10], bf0 + 9, bf0 + 10, &clamp_lo, &clamp_hi);
addsub_neon(bf1[15], bf1[12], bf0 + 15, bf0 + 12, &clamp_lo, &clamp_hi);
addsub_neon(bf1[14], bf1[13], bf0 + 14, bf0 + 13, &clamp_lo, &clamp_hi);
bf0[16] = bf1[16];
bf0[17] = bf1[17];
bf0[18] = half_btf_neon_mode10_r(&cospi[16], &bf1[18], &cospi[48], &bf1[29],
&v_bit, &rnding);
bf0[19] = half_btf_neon_mode10_r(&cospi[16], &bf1[19], &cospi[48], &bf1[28],
&v_bit, &rnding);
bf0[20] = half_btf_neon_mode11_r(&cospi[48], &bf1[20], &cospi[16], &bf1[27],
&v_bit, &rnding);
bf0[21] = half_btf_neon_mode11_r(&cospi[48], &bf1[21], &cospi[16], &bf1[26],
&v_bit, &rnding);
bf0[22] = bf1[22];
bf0[23] = bf1[23];
bf0[24] = bf1[24];
bf0[25] = bf1[25];
bf0[26] = half_btf_neon_mode10_r(&cospi[16], &bf1[21], &cospi[48], &bf1[26],
&v_bit, &rnding);
bf0[27] = half_btf_neon_mode10_r(&cospi[16], &bf1[20], &cospi[48], &bf1[27],
&v_bit, &rnding);
bf0[28] = half_btf_neon_r(&cospi[48], &bf1[19], &cospi[16], &bf1[28], &v_bit,
&rnding);
bf0[29] = half_btf_neon_r(&cospi[48], &bf1[18], &cospi[16], &bf1[29], &v_bit,
&rnding);
bf0[30] = bf1[30];
bf0[31] = bf1[31];
// stage 7
addsub_neon(bf0[0], bf0[7], bf1 + 0, bf1 + 7, &clamp_lo, &clamp_hi);
addsub_neon(bf0[1], bf0[6], bf1 + 1, bf1 + 6, &clamp_lo, &clamp_hi);
addsub_neon(bf0[2], bf0[5], bf1 + 2, bf1 + 5, &clamp_lo, &clamp_hi);
addsub_neon(bf0[3], bf0[4], bf1 + 3, bf1 + 4, &clamp_lo, &clamp_hi);
bf1[8] = bf0[8];
bf1[9] = bf0[9];
bf1[10] = half_btf_neon_mode10_r(&cospi[32], &bf0[10], &cospi[32], &bf0[13],
&v_bit, &rnding);
bf1[11] = half_btf_neon_mode10_r(&cospi[32], &bf0[11], &cospi[32], &bf0[12],
&v_bit, &rnding);
bf1[12] = half_btf_neon_r(&cospi[32], &bf0[11], &cospi[32], &bf0[12], &v_bit,
&rnding);
bf1[13] = half_btf_neon_r(&cospi[32], &bf0[10], &cospi[32], &bf0[13], &v_bit,
&rnding);
bf1[14] = bf0[14];
bf1[15] = bf0[15];
addsub_neon(bf0[16], bf0[23], bf1 + 16, bf1 + 23, &clamp_lo, &clamp_hi);
addsub_neon(bf0[17], bf0[22], bf1 + 17, bf1 + 22, &clamp_lo, &clamp_hi);
addsub_neon(bf0[18], bf0[21], bf1 + 18, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_neon(bf0[19], bf0[20], bf1 + 19, bf1 + 20, &clamp_lo, &clamp_hi);
addsub_neon(bf0[31], bf0[24], bf1 + 31, bf1 + 24, &clamp_lo, &clamp_hi);
addsub_neon(bf0[30], bf0[25], bf1 + 30, bf1 + 25, &clamp_lo, &clamp_hi);
addsub_neon(bf0[29], bf0[26], bf1 + 29, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_neon(bf0[28], bf0[27], bf1 + 28, bf1 + 27, &clamp_lo, &clamp_hi);
// stage 8
addsub_neon(bf1[0], bf1[15], bf0 + 0, bf0 + 15, &clamp_lo, &clamp_hi);
addsub_neon(bf1[1], bf1[14], bf0 + 1, bf0 + 14, &clamp_lo, &clamp_hi);
addsub_neon(bf1[2], bf1[13], bf0 + 2, bf0 + 13, &clamp_lo, &clamp_hi);
addsub_neon(bf1[3], bf1[12], bf0 + 3, bf0 + 12, &clamp_lo, &clamp_hi);
addsub_neon(bf1[4], bf1[11], bf0 + 4, bf0 + 11, &clamp_lo, &clamp_hi);
addsub_neon(bf1[5], bf1[10], bf0 + 5, bf0 + 10, &clamp_lo, &clamp_hi);
addsub_neon(bf1[6], bf1[9], bf0 + 6, bf0 + 9, &clamp_lo, &clamp_hi);
addsub_neon(bf1[7], bf1[8], bf0 + 7, bf0 + 8, &clamp_lo, &clamp_hi);
bf0[16] = bf1[16];
bf0[17] = bf1[17];
bf0[18] = bf1[18];
bf0[19] = bf1[19];
bf0[20] = half_btf_neon_mode10_r(&cospi[32], &bf1[20], &cospi[32], &bf1[27],
&v_bit, &rnding);
bf0[21] = half_btf_neon_mode10_r(&cospi[32], &bf1[21], &cospi[32], &bf1[26],
&v_bit, &rnding);
bf0[22] = half_btf_neon_mode10_r(&cospi[32], &bf1[22], &cospi[32], &bf1[25],
&v_bit, &rnding);
bf0[23] = half_btf_neon_mode10_r(&cospi[32], &bf1[23], &cospi[32], &bf1[24],
&v_bit, &rnding);
bf0[24] = half_btf_neon_r(&cospi[32], &bf1[23], &cospi[32], &bf1[24], &v_bit,
&rnding);
bf0[25] = half_btf_neon_r(&cospi[32], &bf1[22], &cospi[32], &bf1[25], &v_bit,
&rnding);
bf0[26] = half_btf_neon_r(&cospi[32], &bf1[21], &cospi[32], &bf1[26], &v_bit,
&rnding);
bf0[27] = half_btf_neon_r(&cospi[32], &bf1[20], &cospi[32], &bf1[27], &v_bit,
&rnding);
bf0[28] = bf1[28];
bf0[29] = bf1[29];
bf0[30] = bf1[30];
bf0[31] = bf1[31];
// stage 9
addsub_neon(bf0[0], bf0[31], out + 0, out + 31, &clamp_lo, &clamp_hi);
addsub_neon(bf0[1], bf0[30], out + 1, out + 30, &clamp_lo, &clamp_hi);
addsub_neon(bf0[2], bf0[29], out + 2, out + 29, &clamp_lo, &clamp_hi);
addsub_neon(bf0[3], bf0[28], out + 3, out + 28, &clamp_lo, &clamp_hi);
addsub_neon(bf0[4], bf0[27], out + 4, out + 27, &clamp_lo, &clamp_hi);
addsub_neon(bf0[5], bf0[26], out + 5, out + 26, &clamp_lo, &clamp_hi);
addsub_neon(bf0[6], bf0[25], out + 6, out + 25, &clamp_lo, &clamp_hi);
addsub_neon(bf0[7], bf0[24], out + 7, out + 24, &clamp_lo, &clamp_hi);
addsub_neon(bf0[8], bf0[23], out + 8, out + 23, &clamp_lo, &clamp_hi);
addsub_neon(bf0[9], bf0[22], out + 9, out + 22, &clamp_lo, &clamp_hi);
addsub_neon(bf0[10], bf0[21], out + 10, out + 21, &clamp_lo, &clamp_hi);
addsub_neon(bf0[11], bf0[20], out + 11, out + 20, &clamp_lo, &clamp_hi);
addsub_neon(bf0[12], bf0[19], out + 12, out + 19, &clamp_lo, &clamp_hi);
addsub_neon(bf0[13], bf0[18], out + 13, out + 18, &clamp_lo, &clamp_hi);
addsub_neon(bf0[14], bf0[17], out + 14, out + 17, &clamp_lo, &clamp_hi);
addsub_neon(bf0[15], bf0[16], out + 15, out + 16, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int32x4_t rnding_shift = vdupq_n_s32(1 << (out_shift - 1));
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift, &rnding_shift);
round_shift_8x8(out + 16, out_shift, &rnding_shift);
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 32);
}
}
static void iidentity32_neon(int32x4_t *in, int32x4_t *out, int bit,
int do_cols, int bd, int out_shift) {
(void)bit;
for (int i = 0; i < 32; i += 16) {
out[i] = vshlq_n_s32(in[i], 2);
out[i + 1] = vshlq_n_s32(in[i + 1], 2);
out[i + 2] = vshlq_n_s32(in[i + 2], 2);
out[i + 3] = vshlq_n_s32(in[i + 3], 2);
out[i + 4] = vshlq_n_s32(in[i + 4], 2);
out[i + 5] = vshlq_n_s32(in[i + 5], 2);
out[i + 6] = vshlq_n_s32(in[i + 6], 2);
out[i + 7] = vshlq_n_s32(in[i + 7], 2);
out[i + 8] = vshlq_n_s32(in[i + 8], 2);
out[i + 9] = vshlq_n_s32(in[i + 9], 2);
out[i + 10] = vshlq_n_s32(in[i + 10], 2);
out[i + 11] = vshlq_n_s32(in[i + 11], 2);
out[i + 12] = vshlq_n_s32(in[i + 12], 2);
out[i + 13] = vshlq_n_s32(in[i + 13], 2);
out[i + 14] = vshlq_n_s32(in[i + 14], 2);
out[i + 15] = vshlq_n_s32(in[i + 15], 2);
}
if (!do_cols) {
const int32x4_t rnding_shift = vdupq_n_s32(1 << (out_shift - 1));
const int log_range_out = AOMMAX(16, bd + 6);
const int32x4_t clamp_lo_out = vdupq_n_s32(-(1 << (log_range_out - 1)));
const int32x4_t clamp_hi_out = vdupq_n_s32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift, &rnding_shift);
round_shift_8x8(out + 16, out_shift, &rnding_shift);
highbd_clamp_s32_neon(out, out, &clamp_lo_out, &clamp_hi_out, 32);
}
}
// 1D itx types
typedef enum ATTRIBUTE_PACKED {
IDCT_1D,
IADST_1D,
IFLIPADST_1D = IADST_1D,
IIDENTITY_1D,
ITX_TYPES_1D,
} ITX_TYPE_1D;
static const ITX_TYPE_1D vitx_1d_tab[TX_TYPES] = {
IDCT_1D, IADST_1D, IDCT_1D, IADST_1D,
IFLIPADST_1D, IDCT_1D, IFLIPADST_1D, IADST_1D,
IFLIPADST_1D, IIDENTITY_1D, IDCT_1D, IIDENTITY_1D,
IADST_1D, IIDENTITY_1D, IFLIPADST_1D, IIDENTITY_1D,
};
static const ITX_TYPE_1D hitx_1d_tab[TX_TYPES] = {
IDCT_1D, IDCT_1D, IADST_1D, IADST_1D,
IDCT_1D, IFLIPADST_1D, IFLIPADST_1D, IFLIPADST_1D,
IADST_1D, IIDENTITY_1D, IIDENTITY_1D, IDCT_1D,
IIDENTITY_1D, IADST_1D, IIDENTITY_1D, IFLIPADST_1D,
};
static const transform_1d_neon
highbd_txfm_all_1d_zeros_w8_arr[TX_SIZES][ITX_TYPES_1D][4] = {
{
{ idct4x4_neon, NULL, NULL, NULL },
{ iadst4x4_neon, NULL, NULL, NULL },
{ iidentity4_neon, iidentity4_neon, iidentity4_neon, NULL },
},
{ { idct8x8_low1_neon, idct8x8_new_neon, NULL, NULL },
{ iadst8x8_low1_neon, iadst8x8_new_neon, NULL, NULL },
{ iidentity8_neon, iidentity8_neon, NULL, NULL } },
{
{ idct16x16_low1_neon, idct16x16_low8_neon, idct16x16_neon, NULL },
{ iadst16x16_low1_neon, iadst16x16_low8_neon, iadst16x16_neon, NULL },
{ iidentity16_neon, NULL, iidentity16_neon, NULL },
},
{ { idct32x32_low1_neon, idct32x32_low8_neon, idct32x32_low16_neon,
idct32x32_neon },
{ NULL, NULL, NULL, NULL },
{ iidentity32_neon, NULL, NULL, NULL } },
{ { idct64x64_low1_neon, idct64x64_low8_neon, idct64x64_low16_neon,
idct64x64_neon },
{ NULL, NULL, NULL, NULL },
{ NULL, NULL, NULL, NULL } }
};
void av1_inv_txfm2d_add_4x8_neon(const tran_low_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, const int bd) {
TX_SIZE tx_size = TX_4X8;
int32x4_t buf1[32] = { vdupq_n_s32(0) };
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][1];
const int input_stride = AOMMIN(32, txfm_size_col);
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
int32x4_t buf0[8];
const int32_t *input_row = input;
int32x4_t *buf0_cur = buf0;
load_buffer_32bit_input(input_row, input_stride, buf0_cur, txfm_size_row);
av1_round_shift_rect_array_32_neon(buf0, buf0, txfm_size_row, 0, NewInvSqrt2);
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
row_txfm(buf0 + 4, buf0 + 4, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
if (lr_flip) {
TRANSPOSE_4X4(buf0[3], buf0[2], buf0[1], buf0[0], buf1[0], buf1[1], buf1[2],
buf1[3]);
TRANSPOSE_4X4(buf0[7], buf0[6], buf0[5], buf0[4], buf1[4], buf1[5], buf1[6],
buf1[7]);
} else {
TRANSPOSE_4X4(buf0[0], buf0[1], buf0[2], buf0[3], buf1[0], buf1[1], buf1[2],
buf1[3]);
TRANSPOSE_4X4(buf0[4], buf0[5], buf0[6], buf0[7], buf1[4], buf1[5], buf1[6],
buf1[7]);
}
// 2nd stage: column transform
col_txfm(buf1, buf1, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1, buf1, txfm_size_row, -shift[1]);
// write to buffer
highbd_write_buffer_4xn_neon(buf1, output, stride, ud_flip, txfm_size_row,
bd);
}
void av1_inv_txfm2d_add_8x4_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, const int bd) {
TX_SIZE tx_size = TX_8X4;
int32x4_t buf1[8];
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][1];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
int32x4_t buf0[8];
const int32_t *input_row = input;
load_buffer_32bit_input(input_row, 4, buf0, txfm_size_col);
TRANSPOSE_4X4(buf0[0], buf0[2], buf0[4], buf0[6], buf1[0], buf1[1], buf1[2],
buf1[3]);
TRANSPOSE_4X4(buf0[1], buf0[3], buf0[5], buf0[7], buf1[4], buf1[5], buf1[6],
buf1[7]);
av1_round_shift_rect_array_32_neon(buf1, buf0, txfm_size_col, 0, NewInvSqrt2);
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
int32x4_t *buf1_ptr;
if (lr_flip) {
flip_buf_neon(buf0, buf1, txfm_size_col);
buf1_ptr = buf1;
} else {
buf1_ptr = buf0;
}
// 2nd stage: column transform
for (int i = 0; i < 2; i++) {
col_txfm(buf1_ptr + i * txfm_size_row, buf1_ptr + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
}
av1_round_shift_array_32_neon(buf1_ptr, buf1_ptr, txfm_size_col, -shift[1]);
// write to buffer
highbd_write_buffer_8xn_neon(buf1_ptr, output, stride, ud_flip, txfm_size_row,
bd);
}
void av1_inv_txfm2d_add_4x16_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, const int bd) {
TX_SIZE tx_size = TX_4X16;
int32x4_t buf1[16];
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_h_div8 = txfm_size_row >> 2;
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][2];
const int input_stride = AOMMIN(32, txfm_size_col);
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
int32x4_t buf0[16];
const int32_t *input_row = input;
int32x4_t *buf0_cur = buf0;
load_buffer_32bit_input(input_row, input_stride, buf0_cur, txfm_size_row);
for (int i = 0; i < (txfm_size_row >> 2); i++) {
row_txfm(buf0 + (i << 2), buf0 + (i << 2),
av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
}
if (lr_flip) {
for (int j = 0; j < buf_size_h_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j], buf1[4 * j], buf1[4 * j + 1], buf1[4 * j + 2],
buf1[4 * j + 3]);
}
} else {
for (int j = 0; j < buf_size_h_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j], buf0[4 * j + 1], buf0[4 * j + 2],
buf0[4 * j + 3], buf1[4 * j], buf1[4 * j + 1],
buf1[4 * j + 2], buf1[4 * j + 3]);
}
}
// 2nd stage: column transform
col_txfm(buf1, buf1, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1, buf1, txfm_size_row, -shift[1]);
// write to buffer
highbd_write_buffer_4xn_neon(buf1, output, stride, ud_flip, txfm_size_row,
bd);
}
void av1_inv_txfm2d_add_16x4_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, const int bd) {
TX_SIZE tx_size = TX_16X4;
int32x4_t buf1[16];
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_w_div8 = txfm_size_col >> 2;
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][2];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
int32x4_t buf0[16];
const int32_t *input_row = input;
load_buffer_32bit_input(input_row, 4, buf0, txfm_size_col);
for (int j = 0; j < buf_size_w_div8; j++) {
TRANSPOSE_4X4(buf0[j], buf0[j + 4], buf0[j + 8], buf0[j + 12], buf1[4 * j],
buf1[4 * j + 1], buf1[4 * j + 2], buf1[4 * j + 3]);
}
row_txfm(buf1, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
int32x4_t *buf1_ptr;
if (lr_flip) {
flip_buf_neon(buf0, buf1, txfm_size_col);
buf1_ptr = buf1;
} else {
buf1_ptr = buf0;
}
// 2nd stage: column transform
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1_ptr + i * txfm_size_row, buf1_ptr + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
}
av1_round_shift_array_32_neon(buf1_ptr, buf1_ptr, txfm_size_col, -shift[1]);
// write to buffer
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1_ptr + i * txfm_size_row * 2,
output + 8 * i, stride, ud_flip, txfm_size_row,
bd);
}
}
void highbd_inv_txfm2d_add_4x16_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, int eob,
const int bd) {
(void)eob;
TX_SIZE tx_size = TX_4X16;
int32x4_t buf1[16];
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_h_div8 = txfm_size_row >> 2;
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][2];
const int input_stride = AOMMIN(32, txfm_size_col);
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
int32x4_t buf0[16];
const int32_t *input_row = input;
int32x4_t *buf0_cur = buf0;
load_buffer_32bit_input(input_row, input_stride, buf0_cur, txfm_size_row);
for (int i = 0; i < (txfm_size_row >> 2); i++) {
row_txfm(buf0 + (i << 2), buf0 + (i << 2),
av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
}
if (lr_flip) {
for (int j = 0; j < buf_size_h_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j], buf1[4 * j], buf1[4 * j + 1], buf1[4 * j + 2],
buf1[4 * j + 3]);
}
} else {
for (int j = 0; j < buf_size_h_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j], buf0[4 * j + 1], buf0[4 * j + 2],
buf0[4 * j + 3], buf1[4 * j], buf1[4 * j + 1],
buf1[4 * j + 2], buf1[4 * j + 3]);
}
}
// 2nd stage: column transform
col_txfm(buf1, buf1, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1, buf1, txfm_size_row, -shift[1]);
// write to buffer
highbd_write_buffer_4xn_neon(buf1, output, stride, ud_flip, txfm_size_row,
bd);
}
void highbd_inv_txfm2d_add_16x4_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, int eob,
const int bd) {
(void)eob;
TX_SIZE tx_size = TX_16X4;
int32x4_t buf1[16];
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_w_div8 = txfm_size_col >> 2;
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][2];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
int32x4_t buf0[16];
const int32_t *input_row = input;
load_buffer_32bit_input(input_row, 4, buf0, txfm_size_col);
for (int j = 0; j < buf_size_w_div8; j++) {
TRANSPOSE_4X4(buf0[j], buf0[j + 4], buf0[j + 8], buf0[j + 12], buf1[4 * j],
buf1[4 * j + 1], buf1[4 * j + 2], buf1[4 * j + 3]);
}
row_txfm(buf1, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
int32x4_t *buf1_ptr;
if (lr_flip) {
flip_buf_neon(buf0, buf1, txfm_size_col);
buf1_ptr = buf1;
} else {
buf1_ptr = buf0;
}
// 2nd stage: column transform
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1_ptr + i * txfm_size_row, buf1_ptr + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
}
av1_round_shift_array_32_neon(buf1_ptr, buf1_ptr, txfm_size_col, -shift[1]);
// write to buffer
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1_ptr + i * txfm_size_row * 2,
output + 8 * i, stride, ud_flip, txfm_size_row,
bd);
}
}
static const int lowbd_txfm_all_1d_zeros_idx[32] = {
0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
};
// Transform block width in log2 for eob (size of 64 map to 32)
static const int tx_size_wide_log2_eob[TX_SIZES_ALL] = {
2, 3, 4, 5, 5, 2, 3, 3, 4, 4, 5, 5, 5, 2, 4, 3, 5, 4, 5,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x8_default[8]) = {
0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_16x16_default[16]) = {
0x0707, 0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f,
0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_32x32_default[32]) = {
0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x16_default[16]) = {
0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0f07, 0x0f07, 0x0f07,
0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_16x8_default[8]) = {
0x0707, 0x0707, 0x070f, 0x070f, 0x070f, 0x070f, 0x070f, 0x070f,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_16x32_default[32]) = {
0x0707, 0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f,
0x0f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f,
0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f,
0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_32x16_default[16]) = {
0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f,
0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x32_default[32]) = {
0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0f07, 0x0f07, 0x0f07,
0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x1f07, 0x1f07, 0x1f07,
0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07,
0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_32x8_default[8]) = {
0x0707, 0x070f, 0x070f, 0x071f, 0x071f, 0x071f, 0x071f, 0x071f,
};
DECLARE_ALIGNED(16, static const int16_t *,
av1_eob_to_eobxy_default[TX_SIZES_ALL]) = {
NULL,
av1_eob_to_eobxy_8x8_default,
av1_eob_to_eobxy_16x16_default,
av1_eob_to_eobxy_32x32_default,
av1_eob_to_eobxy_32x32_default,
NULL,
NULL,
av1_eob_to_eobxy_8x16_default,
av1_eob_to_eobxy_16x8_default,
av1_eob_to_eobxy_16x32_default,
av1_eob_to_eobxy_32x16_default,
av1_eob_to_eobxy_32x32_default,
av1_eob_to_eobxy_32x32_default,
NULL,
NULL,
av1_eob_to_eobxy_8x32_default,
av1_eob_to_eobxy_32x8_default,
av1_eob_to_eobxy_16x32_default,
av1_eob_to_eobxy_32x16_default,
};
static INLINE void highbd_get_eobx_eoby_scan_default(int *eobx, int *eoby,
TX_SIZE tx_size, int eob) {
if (eob == 1) {
*eobx = 0;
*eoby = 0;
return;
}
const int tx_w_log2 = tx_size_wide_log2_eob[tx_size];
const int eob_row = (eob - 1) >> tx_w_log2;
const int eobxy = av1_eob_to_eobxy_default[tx_size][eob_row];
*eobx = eobxy & 0xFF;
*eoby = eobxy >> 8;
}
static INLINE void get_eobx_eoby_scan_default(int *eobx, int *eoby,
TX_SIZE tx_size) {
if (tx_size == 2) {
*eoby = 15, *eobx = 15;
} else if (tx_size == 3) {
*eoby = 31, *eobx = 31;
} else if (tx_size == 4) {
*eoby = 31, *eobx = 31;
} else if (tx_size == 7) {
*eoby = 15, *eobx = 7;
} else if (tx_size == 8) {
*eoby = 7, *eobx = 15;
} else if (tx_size == 9) {
*eoby = 31, *eobx = 15;
} else if (tx_size == 10) {
*eoby = 15, *eobx = 31;
} else if (tx_size == 11) {
*eoby = 31, *eobx = 31;
} else if (tx_size == 12) {
*eoby = 31, *eobx = 31;
} else if (tx_size == 15) {
*eoby = 31, *eobx = 7;
} else if (tx_size == 16) {
*eoby = 7, *eobx = 31;
} else if (tx_size == 17) {
*eoby = 31, *eobx = 15;
} else if (tx_size == 18) {
*eoby = 15, *eobx = 31;
} else {
*eoby = 0, *eobx = 0;
}
}
static INLINE void get_eobx_eoby_scan_v_identity(int *eobx, int *eoby,
TX_SIZE tx_size) {
const int txfm_size_row = tx_size_high[tx_size];
*eoby = AOMMIN(32, txfm_size_row) - 1;
*eobx = 0;
}
static INLINE void get_eobx_eoby_scan_h_identity(int *eobx, int *eoby,
TX_SIZE tx_size) {
const int txfm_size_col = tx_size_wide[tx_size];
*eobx = AOMMIN(32, txfm_size_col) - 1;
*eoby = 0;
}
static void inv_txfm2d_add_h_identity_neon(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
const int bd) {
int32x4_t buf1[64];
int eobx, eoby;
get_eobx_eoby_scan_v_identity(&eobx, &eoby, tx_size);
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int input_stride = AOMMIN(32, txfm_size_col);
const int buf_size_w_div4 = input_stride >> 2;
const int buf_size_h_div8 = (eoby + 8) >> 3;
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx = lowbd_txfm_all_1d_zeros_idx[eoby];
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
for (int i = 0; i < (buf_size_h_div8 << 1); ++i) {
int32x4_t buf0[16];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < buf_size_w_div4; ++j) {
int32x4_t *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_neon(buf0, buf0, input_stride, 0,
NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
int32x4_t *_buf1 = buf1 + i * 4;
for (int j = 0; j < buf_size_w_div4; ++j) {
_buf1[j * txfm_size_row + 0] = buf0[j * 4 + 0];
_buf1[j * txfm_size_row + 1] = buf0[j * 4 + 1];
_buf1[j * txfm_size_row + 2] = buf0[j * 4 + 2];
_buf1[j * txfm_size_row + 3] = buf0[j * 4 + 3];
}
}
for (int i = 0; i < buf_size_w_div4; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1 + i * txfm_size_row * 2, output + 8 * i,
stride, ud_flip, txfm_size_row, bd);
}
}
static void inv_txfm2d_add_v_identity_neon(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
const int bd) {
int32x4_t buf1[64];
int eobx, eoby;
get_eobx_eoby_scan_h_identity(&eobx, &eoby, tx_size);
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int input_stride = AOMMIN(32, txfm_size_col);
const int buf_size_w_div8 = input_stride >> 2;
const int row_max = AOMMIN(32, txfm_size_row);
const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3;
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx = lowbd_txfm_all_1d_zeros_idx[eobx];
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
for (int i = 0; i < (row_max >> 2); ++i) {
int32x4_t buf0[16];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < (buf_size_nonzero_w_div8 << 1); ++j) {
int32x4_t *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
TRANSPOSE_4X4(buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3],
buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3]);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_neon(
buf0, buf0, (buf_size_nonzero_w_div8 << 3), 0, NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
int32x4_t *_buf1 = buf1 + i * 4;
if (lr_flip) {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 0],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 1],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 2],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 3]);
}
} else {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(
buf0[j * 4 + 0], buf0[j * 4 + 1], buf0[j * 4 + 2], buf0[j * 4 + 3],
_buf1[j * txfm_size_row + 0], _buf1[j * txfm_size_row + 1],
_buf1[j * txfm_size_row + 2], _buf1[j * txfm_size_row + 3]);
}
}
}
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1 + i * txfm_size_row * 2, output + 8 * i,
stride, ud_flip, txfm_size_row, bd);
}
}
}
static void inv_txfm2d_add_idtx_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type,
TX_SIZE tx_size, const int bd) {
int32x4_t buf1[64 * 4];
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int input_stride = AOMMIN(32, txfm_size_col);
const int row_max = AOMMIN(32, txfm_size_row);
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
for (int i = 0; i < (row_max >> 2); ++i) {
int32x4_t buf0[32];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < (input_stride >> 2); ++j) {
int32x4_t *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_neon(buf0, buf0, input_stride, 0,
NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
int32x4_t *_buf1 = buf1 + i * 4;
for (int j = 0; j < (input_stride >> 2); ++j) {
_buf1[j * txfm_size_row + 0] = buf0[j * 4 + 0];
_buf1[j * txfm_size_row + 1] = buf0[j * 4 + 1];
_buf1[j * txfm_size_row + 2] = buf0[j * 4 + 2];
_buf1[j * txfm_size_row + 3] = buf0[j * 4 + 3];
}
}
for (int i = 0; i < (input_stride >> 2); i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1 + i * txfm_size_row * 2, output + 8 * i,
stride, 0, txfm_size_row, bd);
}
}
}
void inv_txfm2d_add_no_identity_neon(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type,
TX_SIZE tx_size, const int bd) {
int32x4_t buf1[64 * 16];
int eobx, eoby;
get_eobx_eoby_scan_default(&eobx, &eoby, tx_size);
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_w_div8 = txfm_size_col >> 2;
const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3;
const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3;
const int input_stride = AOMMIN(32, txfm_size_col);
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx];
const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby];
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
for (int i = 0; i < buf_size_nonzero_h_div8 << 1; i++) {
int32x4_t buf0[64];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < buf_size_nonzero_w_div8 << 1; ++j) {
int32x4_t *buf0_cur = &buf0[j * 4];
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
TRANSPOSE_4X4(buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3],
buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3]);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_neon(
buf0, buf0, buf_size_nonzero_w_div8 << 3, 0, NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
int32x4_t *_buf1 = &buf1[i * 4];
if (lr_flip) {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 0],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 1],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 2],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 3]);
}
} else {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(
buf0[j * 4 + 0], buf0[j * 4 + 1], buf0[j * 4 + 2], buf0[j * 4 + 3],
_buf1[j * txfm_size_row + 0], _buf1[j * txfm_size_row + 1],
_buf1[j * txfm_size_row + 2], _buf1[j * txfm_size_row + 3]);
}
}
}
// 2nd stage: column transform
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1 + i * txfm_size_row * 2, output + 8 * i,
stride, ud_flip, txfm_size_row, bd);
}
}
}
void highbd_inv_txfm2d_add_no_identity_neon(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
int32x4_t buf1[64 * 16];
int eobx, eoby;
highbd_get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob);
const int8_t *shift = av1_inv_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_w_div8 = txfm_size_col >> 2;
const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3;
const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3;
const int input_stride = AOMMIN(32, txfm_size_col);
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx];
const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby];
const transform_1d_neon row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x];
const transform_1d_neon col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
for (int i = 0; i < buf_size_nonzero_h_div8 << 1; i++) {
int32x4_t buf0[64];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < buf_size_nonzero_w_div8 << 1; ++j) {
int32x4_t *buf0_cur = &buf0[j * 4];
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
TRANSPOSE_4X4(buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3],
buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3]);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_neon(
buf0, buf0, buf_size_nonzero_w_div8 << 3, 0, NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
int32x4_t *_buf1 = &buf1[i * 4];
if (lr_flip) {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 0],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 1],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 2],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 3]);
}
} else {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(
buf0[j * 4 + 0], buf0[j * 4 + 1], buf0[j * 4 + 2], buf0[j * 4 + 3],
_buf1[j * txfm_size_row + 0], _buf1[j * txfm_size_row + 1],
_buf1[j * txfm_size_row + 2], _buf1[j * txfm_size_row + 3]);
}
}
}
// 2nd stage: column transform
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_neon(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_neon(buf1 + i * txfm_size_row * 2, output + 8 * i,
stride, ud_flip, txfm_size_row, bd);
}
}
}
void av1_highbd_inv_txfm2d_add_universe_neon(const int32_t *input,
uint8_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
switch (tx_type) {
case DCT_DCT:
case ADST_DCT:
case DCT_ADST:
case ADST_ADST:
case FLIPADST_DCT:
case DCT_FLIPADST:
case FLIPADST_FLIPADST:
case ADST_FLIPADST:
case FLIPADST_ADST:
highbd_inv_txfm2d_add_no_identity_neon(input, CONVERT_TO_SHORTPTR(output),
stride, tx_type, tx_size, eob, bd);
break;
case V_DCT:
case V_ADST:
case V_FLIPADST:
inv_txfm2d_add_h_identity_neon(input, CONVERT_TO_SHORTPTR(output), stride,
tx_type, tx_size, bd);
break;
case H_DCT:
case H_ADST:
case H_FLIPADST:
inv_txfm2d_add_v_identity_neon(input, CONVERT_TO_SHORTPTR(output), stride,
tx_type, tx_size, bd);
break;
case IDTX:
inv_txfm2d_add_idtx_neon(input, CONVERT_TO_SHORTPTR(output), stride,
tx_type, tx_size, bd);
break;
default: assert(0); break;
}
}
void av1_inv_txfm2d_add_universe_neon(const int32_t *input, uint8_t *output,
int stride, TX_TYPE tx_type,
TX_SIZE tx_size, const int bd) {
switch (tx_type) {
case DCT_DCT:
case ADST_DCT:
case DCT_ADST:
case ADST_ADST:
case FLIPADST_DCT:
case DCT_FLIPADST:
case FLIPADST_FLIPADST:
case ADST_FLIPADST:
case FLIPADST_ADST:
inv_txfm2d_add_no_identity_neon(input, CONVERT_TO_SHORTPTR(output),
stride, tx_type, tx_size, bd);
break;
case V_DCT:
case V_ADST:
case V_FLIPADST:
inv_txfm2d_add_h_identity_neon(input, CONVERT_TO_SHORTPTR(output), stride,
tx_type, tx_size, bd);
break;
case H_DCT:
case H_ADST:
case H_FLIPADST:
inv_txfm2d_add_v_identity_neon(input, CONVERT_TO_SHORTPTR(output), stride,
tx_type, tx_size, bd);
break;
case IDTX:
inv_txfm2d_add_idtx_neon(input, CONVERT_TO_SHORTPTR(output), stride,
tx_type, tx_size, bd);
break;
default: assert(0); break;
}
}
void av1_highbd_inv_txfm_add_8x8_neon(const tran_low_t *input, uint8_t *dest,
int stride, const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
const int32_t *src = cast_to_int32(input);
switch (tx_type) {
case IDTX:
case H_DCT:
case H_ADST:
case H_FLIPADST:
case V_DCT:
case V_ADST:
case V_FLIPADST:
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride, tx_type,
txfm_param->tx_size,
txfm_param->eob, bd);
break;
default:
av1_inv_txfm2d_add_8x8_neon(src, CONVERT_TO_SHORTPTR(dest), stride,
tx_type, bd);
break;
}
}
void av1_highbd_inv_txfm_add_4x4_neon(const tran_low_t *input, uint8_t *dest,
int stride, const TxfmParam *txfm_param) {
assert(av1_ext_tx_used[txfm_param->tx_set_type][txfm_param->tx_type]);
int eob = txfm_param->eob;
int bd = txfm_param->bd;
int lossless = txfm_param->lossless;
const int32_t *src = cast_to_int32(input);
const TX_TYPE tx_type = txfm_param->tx_type;
if (lossless) {
assert(tx_type == DCT_DCT);
av1_highbd_iwht4x4_add(input, dest, stride, eob, bd);
return;
}
av1_inv_txfm2d_add_4x4_neon(src, CONVERT_TO_SHORTPTR(dest), stride, tx_type,
bd);
}
void av1_highbd_inv_txfm_add_4x8_neon(const tran_low_t *input, uint8_t *dest,
int stride, const TxfmParam *txfm_param) {
av1_inv_txfm2d_add_4x8_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
txfm_param->tx_type, txfm_param->bd);
}
void av1_highbd_inv_txfm_add_8x4_neon(const tran_low_t *input, uint8_t *dest,
int stride, const TxfmParam *txfm_param) {
av1_inv_txfm2d_add_8x4_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
txfm_param->tx_type, txfm_param->bd);
}
void av1_inv_txfm2d_add_8x16_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_8X16, bd);
}
void av1_highbd_inv_txfm_add_4x16_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
int eob = txfm_param->eob;
highbd_inv_txfm2d_add_4x16_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
tx_type, eob, bd);
}
void av1_highbd_inv_txfm_add_16x4_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
int eob = txfm_param->eob;
highbd_inv_txfm2d_add_16x4_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
tx_type, eob, bd);
}
void av1_highbd_inv_txfm_add_8x16_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_8X16,
txfm_param->eob, txfm_param->bd);
}
void av1_highbd_inv_txfm_add_16x8_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_16X8,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_16x8_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_16X8, bd);
}
void av1_highbd_inv_txfm_add_16x32_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_16X32,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_16x32_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_16X32, bd);
}
void av1_highbd_inv_txfm_add_32x16_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_32X16,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_32x16_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_32X16, bd);
}
void av1_highbd_inv_txfm_add_32x32_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_32X32,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_32x32_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_32X32, bd);
}
void av1_highbd_inv_txfm_add_64x64_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_64X64,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_64x64_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_64X64, bd);
}
void av1_highbd_inv_txfm_add_32x64_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_32X64,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_32x64_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_32X64, bd);
}
void av1_highbd_inv_txfm_add_64x32_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_64X32,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_64x32_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_64X32, bd);
}
void av1_highbd_inv_txfm_add_64x16_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_64X16,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_64x16_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_64X16, bd);
}
void av1_highbd_inv_txfm_add_16x64_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_16X64,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_16x64_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_16X64, bd);
}
void av1_highbd_inv_txfm_add_16x16_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_16X16,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_16x16_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_16X16, bd);
}
void av1_highbd_inv_txfm_add_32x8_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_32X8,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_32x8_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_32X8, bd);
}
void av1_highbd_inv_txfm_add_8x32_neon(const tran_low_t *input, uint8_t *dest,
int stride,
const TxfmParam *txfm_param) {
av1_highbd_inv_txfm2d_add_universe_neon(input, dest, stride,
txfm_param->tx_type, TX_8X32,
txfm_param->eob, txfm_param->bd);
}
void av1_inv_txfm2d_add_8x32_neon(const tran_low_t *input, uint16_t *dest,
int stride, TX_TYPE tx_type, const int bd) {
av1_inv_txfm2d_add_universe_neon(input, (uint8_t *)dest, stride, tx_type,
TX_8X32, bd);
}
void av1_highbd_inv_txfm_add_neon(const tran_low_t *input, uint8_t *dest,
int stride, const TxfmParam *txfm_param) {
const TX_SIZE tx_size = txfm_param->tx_size;
TX_TYPE tx_type = txfm_param->tx_type;
int bd = txfm_param->bd;
switch (tx_size) {
case TX_8X8:
av1_highbd_inv_txfm_add_8x8_neon(input, dest, stride, txfm_param);
break;
case TX_4X8:
av1_inv_txfm2d_add_4x8_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
txfm_param->tx_type, txfm_param->bd);
break;
case TX_8X4:
av1_inv_txfm2d_add_8x4_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
txfm_param->tx_type, txfm_param->bd);
break;
case TX_4X4:
av1_highbd_inv_txfm_add_4x4_neon(input, dest, stride, txfm_param);
break;
case TX_16X4:
av1_inv_txfm2d_add_16x4_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
txfm_param->tx_type, txfm_param->bd);
break;
case TX_4X16:
av1_inv_txfm2d_add_4x16_neon(input, CONVERT_TO_SHORTPTR(dest), stride,
txfm_param->tx_type, txfm_param->bd);
break;
case TX_8X16:
av1_inv_txfm2d_add_8x16_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_16X8:
av1_inv_txfm2d_add_16x8_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_16X32:
av1_inv_txfm2d_add_16x32_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_32X16:
av1_inv_txfm2d_add_32x16_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_16X16:
av1_inv_txfm2d_add_16x16_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_32X32:
av1_inv_txfm2d_add_32x32_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_64X64:
av1_inv_txfm2d_add_64x64_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_32X64:
av1_inv_txfm2d_add_32x64_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_64X32:
av1_inv_txfm2d_add_64x32_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_16X64:
av1_inv_txfm2d_add_16x64_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_64X16:
av1_inv_txfm2d_add_64x16_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_32X8:
av1_inv_txfm2d_add_32x8_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
case TX_8X32:
av1_inv_txfm2d_add_8x32_neon(input, (uint16_t *)dest, stride, tx_type,
bd);
break;
}
}