aom/av1/common/x86/av1_convolve_ssse3.c

1028 строки
34 KiB
C

/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <assert.h>
#include <tmmintrin.h>
#include "./aom_config.h"
#include "./av1_rtcd.h"
#include "av1/common/filter.h"
#define WIDTH_BOUND (16)
#define HEIGHT_BOUND (16)
#if CONFIG_EXT_INTERP
DECLARE_ALIGNED(16, static int8_t,
sub_pel_filters_12sharp_signal_dir[15][2][16]);
DECLARE_ALIGNED(16, static int8_t,
sub_pel_filters_12sharp_ver_signal_dir[15][6][16]);
#endif // CONFIG_EXT_INTERP
#if USE_TEMPORALFILTER_12TAP
DECLARE_ALIGNED(16, static int8_t,
sub_pel_filters_temporalfilter_12_signal_dir[15][2][16]);
DECLARE_ALIGNED(16, static int8_t,
sub_pel_filters_temporalfilter_12_ver_signal_dir[15][6][16]);
#endif
typedef int8_t (*SubpelFilterCoeffs)[16];
static INLINE SubpelFilterCoeffs
get_subpel_filter_signal_dir(const InterpFilterParams p, int index) {
#if CONFIG_EXT_INTERP
if (p.interp_filter == MULTITAP_SHARP) {
return &sub_pel_filters_12sharp_signal_dir[index][0];
}
#endif
#if USE_TEMPORALFILTER_12TAP
if (p.interp_filter == TEMPORALFILTER_12TAP) {
return &sub_pel_filters_temporalfilter_12_signal_dir[index][0];
}
#endif
(void)p;
(void)index;
return NULL;
}
static INLINE SubpelFilterCoeffs
get_subpel_filter_ver_signal_dir(const InterpFilterParams p, int index) {
#if CONFIG_EXT_INTERP
if (p.interp_filter == MULTITAP_SHARP) {
return &sub_pel_filters_12sharp_ver_signal_dir[index][0];
}
#endif
#if USE_TEMPORALFILTER_12TAP
if (p.interp_filter == TEMPORALFILTER_12TAP) {
return &sub_pel_filters_temporalfilter_12_ver_signal_dir[index][0];
}
#endif
(void)p;
(void)index;
return NULL;
}
static INLINE void transpose_4x8(const __m128i *in, __m128i *out) {
__m128i t0, t1;
t0 = _mm_unpacklo_epi16(in[0], in[1]);
t1 = _mm_unpacklo_epi16(in[2], in[3]);
out[0] = _mm_unpacklo_epi32(t0, t1);
out[1] = _mm_srli_si128(out[0], 8);
out[2] = _mm_unpackhi_epi32(t0, t1);
out[3] = _mm_srli_si128(out[2], 8);
t0 = _mm_unpackhi_epi16(in[0], in[1]);
t1 = _mm_unpackhi_epi16(in[2], in[3]);
out[4] = _mm_unpacklo_epi32(t0, t1);
out[5] = _mm_srli_si128(out[4], 8);
// Note: We ignore out[6] and out[7] because
// they're zero vectors.
}
typedef void (*store_pixel_t)(const __m128i *x, uint8_t *dst);
static INLINE __m128i accumulate_store(const __m128i *x, uint8_t *src) {
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi16(1);
__m128i y = _mm_loadl_epi64((__m128i const *)src);
y = _mm_unpacklo_epi8(y, zero);
y = _mm_add_epi16(*x, y);
y = _mm_add_epi16(y, one);
y = _mm_srai_epi16(y, 1);
y = _mm_packus_epi16(y, y);
return y;
}
static INLINE void store_2_pixel_only(const __m128i *x, uint8_t *dst) {
uint32_t temp;
__m128i u = _mm_packus_epi16(*x, *x);
temp = _mm_cvtsi128_si32(u);
*(uint16_t *)dst = (uint16_t)temp;
}
static INLINE void accumulate_store_2_pixel(const __m128i *x, uint8_t *dst) {
uint32_t temp;
__m128i y = accumulate_store(x, dst);
temp = _mm_cvtsi128_si32(y);
*(uint16_t *)dst = (uint16_t)temp;
}
static store_pixel_t store2pixelTab[2] = { store_2_pixel_only,
accumulate_store_2_pixel };
static INLINE void store_4_pixel_only(const __m128i *x, uint8_t *dst) {
__m128i u = _mm_packus_epi16(*x, *x);
*(int *)dst = _mm_cvtsi128_si32(u);
}
static INLINE void accumulate_store_4_pixel(const __m128i *x, uint8_t *dst) {
__m128i y = accumulate_store(x, dst);
*(int *)dst = _mm_cvtsi128_si32(y);
}
static store_pixel_t store4pixelTab[2] = { store_4_pixel_only,
accumulate_store_4_pixel };
static void horiz_w4_ssse3(const uint8_t *src, const __m128i *f, int tapsNum,
store_pixel_t store_func, uint8_t *dst) {
__m128i sumPairRow[4];
__m128i sumPairCol[8];
__m128i pixel;
const __m128i k_256 = _mm_set1_epi16(1 << 8);
const __m128i zero = _mm_setzero_si128();
if (10 == tapsNum) {
src -= 1;
}
pixel = _mm_loadu_si128((__m128i const *)src);
sumPairRow[0] = _mm_maddubs_epi16(pixel, f[0]);
sumPairRow[2] = _mm_maddubs_epi16(pixel, f[1]);
sumPairRow[2] = _mm_srli_si128(sumPairRow[2], 2);
pixel = _mm_loadu_si128((__m128i const *)(src + 1));
sumPairRow[1] = _mm_maddubs_epi16(pixel, f[0]);
sumPairRow[3] = _mm_maddubs_epi16(pixel, f[1]);
sumPairRow[3] = _mm_srli_si128(sumPairRow[3], 2);
transpose_4x8(sumPairRow, sumPairCol);
sumPairRow[0] = _mm_adds_epi16(sumPairCol[0], sumPairCol[1]);
sumPairRow[1] = _mm_adds_epi16(sumPairCol[4], sumPairCol[5]);
sumPairRow[2] = _mm_min_epi16(sumPairCol[2], sumPairCol[3]);
sumPairRow[3] = _mm_max_epi16(sumPairCol[2], sumPairCol[3]);
sumPairRow[0] = _mm_adds_epi16(sumPairRow[0], sumPairRow[1]);
sumPairRow[0] = _mm_adds_epi16(sumPairRow[0], sumPairRow[2]);
sumPairRow[0] = _mm_adds_epi16(sumPairRow[0], sumPairRow[3]);
sumPairRow[1] = _mm_mulhrs_epi16(sumPairRow[0], k_256);
sumPairRow[1] = _mm_packus_epi16(sumPairRow[1], sumPairRow[1]);
sumPairRow[1] = _mm_unpacklo_epi8(sumPairRow[1], zero);
store_func(&sumPairRow[1], dst);
}
static void horiz_w8_ssse3(const uint8_t *src, const __m128i *f, int tapsNum,
store_pixel_t store, uint8_t *buf) {
horiz_w4_ssse3(src, f, tapsNum, store, buf);
src += 4;
buf += 4;
horiz_w4_ssse3(src, f, tapsNum, store, buf);
}
static void horiz_w16_ssse3(const uint8_t *src, const __m128i *f, int tapsNum,
store_pixel_t store, uint8_t *buf) {
horiz_w8_ssse3(src, f, tapsNum, store, buf);
src += 8;
buf += 8;
horiz_w8_ssse3(src, f, tapsNum, store, buf);
}
static void horiz_w32_ssse3(const uint8_t *src, const __m128i *f, int tapsNum,
store_pixel_t store, uint8_t *buf) {
horiz_w16_ssse3(src, f, tapsNum, store, buf);
src += 16;
buf += 16;
horiz_w16_ssse3(src, f, tapsNum, store, buf);
}
static void horiz_w64_ssse3(const uint8_t *src, const __m128i *f, int tapsNum,
store_pixel_t store, uint8_t *buf) {
horiz_w32_ssse3(src, f, tapsNum, store, buf);
src += 32;
buf += 32;
horiz_w32_ssse3(src, f, tapsNum, store, buf);
}
static void horiz_w128_ssse3(const uint8_t *src, const __m128i *f, int tapsNum,
store_pixel_t store, uint8_t *buf) {
horiz_w64_ssse3(src, f, tapsNum, store, buf);
src += 64;
buf += 64;
horiz_w64_ssse3(src, f, tapsNum, store, buf);
}
static void (*horizTab[6])(const uint8_t *, const __m128i *, int, store_pixel_t,
uint8_t *) = {
horiz_w4_ssse3, horiz_w8_ssse3, horiz_w16_ssse3,
horiz_w32_ssse3, horiz_w64_ssse3, horiz_w128_ssse3,
};
static void filter_horiz_ssse3(const uint8_t *src, __m128i *f, int tapsNum,
int width, store_pixel_t store, uint8_t *dst) {
switch (width) {
// Note:
// For width=2 and 4, store function must be different
case 2:
case 4: horizTab[0](src, f, tapsNum, store, dst); break;
case 8: horizTab[1](src, f, tapsNum, store, dst); break;
case 16: horizTab[2](src, f, tapsNum, store, dst); break;
case 32: horizTab[3](src, f, tapsNum, store, dst); break;
case 64: horizTab[4](src, f, tapsNum, store, dst); break;
case 128: horizTab[5](src, f, tapsNum, store, dst); break;
default: assert(0);
}
}
// Vertical 8-pixel parallel
typedef void (*transpose_to_dst_t)(const uint16_t *src, int src_stride,
uint8_t *dst, int dst_stride);
static INLINE void transpose8x8_direct_to_dst(const uint16_t *src,
int src_stride, uint8_t *dst,
int dst_stride) {
const __m128i k_256 = _mm_set1_epi16(1 << 8);
__m128i v0, v1, v2, v3;
__m128i u0 = _mm_loadu_si128((__m128i const *)(src + 0 * src_stride));
__m128i u1 = _mm_loadu_si128((__m128i const *)(src + 1 * src_stride));
__m128i u2 = _mm_loadu_si128((__m128i const *)(src + 2 * src_stride));
__m128i u3 = _mm_loadu_si128((__m128i const *)(src + 3 * src_stride));
__m128i u4 = _mm_loadu_si128((__m128i const *)(src + 4 * src_stride));
__m128i u5 = _mm_loadu_si128((__m128i const *)(src + 5 * src_stride));
__m128i u6 = _mm_loadu_si128((__m128i const *)(src + 6 * src_stride));
__m128i u7 = _mm_loadu_si128((__m128i const *)(src + 7 * src_stride));
u0 = _mm_mulhrs_epi16(u0, k_256);
u1 = _mm_mulhrs_epi16(u1, k_256);
u2 = _mm_mulhrs_epi16(u2, k_256);
u3 = _mm_mulhrs_epi16(u3, k_256);
u4 = _mm_mulhrs_epi16(u4, k_256);
u5 = _mm_mulhrs_epi16(u5, k_256);
u6 = _mm_mulhrs_epi16(u6, k_256);
u7 = _mm_mulhrs_epi16(u7, k_256);
v0 = _mm_packus_epi16(u0, u1);
v1 = _mm_packus_epi16(u2, u3);
v2 = _mm_packus_epi16(u4, u5);
v3 = _mm_packus_epi16(u6, u7);
u0 = _mm_unpacklo_epi8(v0, v1);
u1 = _mm_unpackhi_epi8(v0, v1);
u2 = _mm_unpacklo_epi8(v2, v3);
u3 = _mm_unpackhi_epi8(v2, v3);
u4 = _mm_unpacklo_epi8(u0, u1);
u5 = _mm_unpacklo_epi8(u2, u3);
u6 = _mm_unpackhi_epi8(u0, u1);
u7 = _mm_unpackhi_epi8(u2, u3);
u0 = _mm_unpacklo_epi32(u4, u5);
u1 = _mm_unpackhi_epi32(u4, u5);
u2 = _mm_unpacklo_epi32(u6, u7);
u3 = _mm_unpackhi_epi32(u6, u7);
u4 = _mm_srli_si128(u0, 8);
u5 = _mm_srli_si128(u1, 8);
u6 = _mm_srli_si128(u2, 8);
u7 = _mm_srli_si128(u3, 8);
_mm_storel_epi64((__m128i *)dst, u0);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 1), u4);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 2), u1);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 3), u5);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 4), u2);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 5), u6);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 6), u3);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 7), u7);
}
static INLINE void transpose8x8_accumu_to_dst(const uint16_t *src,
int src_stride, uint8_t *dst,
int dst_stride) {
const __m128i k_256 = _mm_set1_epi16(1 << 8);
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi16(1);
__m128i v0, v1, v2, v3, v4, v5, v6, v7;
__m128i u0 = _mm_loadu_si128((__m128i const *)(src + 0 * src_stride));
__m128i u1 = _mm_loadu_si128((__m128i const *)(src + 1 * src_stride));
__m128i u2 = _mm_loadu_si128((__m128i const *)(src + 2 * src_stride));
__m128i u3 = _mm_loadu_si128((__m128i const *)(src + 3 * src_stride));
__m128i u4 = _mm_loadu_si128((__m128i const *)(src + 4 * src_stride));
__m128i u5 = _mm_loadu_si128((__m128i const *)(src + 5 * src_stride));
__m128i u6 = _mm_loadu_si128((__m128i const *)(src + 6 * src_stride));
__m128i u7 = _mm_loadu_si128((__m128i const *)(src + 7 * src_stride));
u0 = _mm_mulhrs_epi16(u0, k_256);
u1 = _mm_mulhrs_epi16(u1, k_256);
u2 = _mm_mulhrs_epi16(u2, k_256);
u3 = _mm_mulhrs_epi16(u3, k_256);
u4 = _mm_mulhrs_epi16(u4, k_256);
u5 = _mm_mulhrs_epi16(u5, k_256);
u6 = _mm_mulhrs_epi16(u6, k_256);
u7 = _mm_mulhrs_epi16(u7, k_256);
v0 = _mm_packus_epi16(u0, u1);
v1 = _mm_packus_epi16(u2, u3);
v2 = _mm_packus_epi16(u4, u5);
v3 = _mm_packus_epi16(u6, u7);
u0 = _mm_unpacklo_epi8(v0, v1);
u1 = _mm_unpackhi_epi8(v0, v1);
u2 = _mm_unpacklo_epi8(v2, v3);
u3 = _mm_unpackhi_epi8(v2, v3);
u4 = _mm_unpacklo_epi8(u0, u1);
u5 = _mm_unpacklo_epi8(u2, u3);
u6 = _mm_unpackhi_epi8(u0, u1);
u7 = _mm_unpackhi_epi8(u2, u3);
u0 = _mm_unpacklo_epi32(u4, u5);
u1 = _mm_unpackhi_epi32(u4, u5);
u2 = _mm_unpacklo_epi32(u6, u7);
u3 = _mm_unpackhi_epi32(u6, u7);
u4 = _mm_srli_si128(u0, 8);
u5 = _mm_srli_si128(u1, 8);
u6 = _mm_srli_si128(u2, 8);
u7 = _mm_srli_si128(u3, 8);
v0 = _mm_loadl_epi64((__m128i const *)(dst + 0 * dst_stride));
v1 = _mm_loadl_epi64((__m128i const *)(dst + 1 * dst_stride));
v2 = _mm_loadl_epi64((__m128i const *)(dst + 2 * dst_stride));
v3 = _mm_loadl_epi64((__m128i const *)(dst + 3 * dst_stride));
v4 = _mm_loadl_epi64((__m128i const *)(dst + 4 * dst_stride));
v5 = _mm_loadl_epi64((__m128i const *)(dst + 5 * dst_stride));
v6 = _mm_loadl_epi64((__m128i const *)(dst + 6 * dst_stride));
v7 = _mm_loadl_epi64((__m128i const *)(dst + 7 * dst_stride));
u0 = _mm_unpacklo_epi8(u0, zero);
u1 = _mm_unpacklo_epi8(u1, zero);
u2 = _mm_unpacklo_epi8(u2, zero);
u3 = _mm_unpacklo_epi8(u3, zero);
u4 = _mm_unpacklo_epi8(u4, zero);
u5 = _mm_unpacklo_epi8(u5, zero);
u6 = _mm_unpacklo_epi8(u6, zero);
u7 = _mm_unpacklo_epi8(u7, zero);
v0 = _mm_unpacklo_epi8(v0, zero);
v1 = _mm_unpacklo_epi8(v1, zero);
v2 = _mm_unpacklo_epi8(v2, zero);
v3 = _mm_unpacklo_epi8(v3, zero);
v4 = _mm_unpacklo_epi8(v4, zero);
v5 = _mm_unpacklo_epi8(v5, zero);
v6 = _mm_unpacklo_epi8(v6, zero);
v7 = _mm_unpacklo_epi8(v7, zero);
v0 = _mm_adds_epi16(u0, v0);
v1 = _mm_adds_epi16(u4, v1);
v2 = _mm_adds_epi16(u1, v2);
v3 = _mm_adds_epi16(u5, v3);
v4 = _mm_adds_epi16(u2, v4);
v5 = _mm_adds_epi16(u6, v5);
v6 = _mm_adds_epi16(u3, v6);
v7 = _mm_adds_epi16(u7, v7);
v0 = _mm_adds_epi16(v0, one);
v1 = _mm_adds_epi16(v1, one);
v2 = _mm_adds_epi16(v2, one);
v3 = _mm_adds_epi16(v3, one);
v4 = _mm_adds_epi16(v4, one);
v5 = _mm_adds_epi16(v5, one);
v6 = _mm_adds_epi16(v6, one);
v7 = _mm_adds_epi16(v7, one);
v0 = _mm_srai_epi16(v0, 1);
v1 = _mm_srai_epi16(v1, 1);
v2 = _mm_srai_epi16(v2, 1);
v3 = _mm_srai_epi16(v3, 1);
v4 = _mm_srai_epi16(v4, 1);
v5 = _mm_srai_epi16(v5, 1);
v6 = _mm_srai_epi16(v6, 1);
v7 = _mm_srai_epi16(v7, 1);
u0 = _mm_packus_epi16(v0, v1);
u1 = _mm_packus_epi16(v2, v3);
u2 = _mm_packus_epi16(v4, v5);
u3 = _mm_packus_epi16(v6, v7);
u4 = _mm_srli_si128(u0, 8);
u5 = _mm_srli_si128(u1, 8);
u6 = _mm_srli_si128(u2, 8);
u7 = _mm_srli_si128(u3, 8);
_mm_storel_epi64((__m128i *)dst, u0);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 1), u4);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 2), u1);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 3), u5);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 4), u2);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 5), u6);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 6), u3);
_mm_storel_epi64((__m128i *)(dst + dst_stride * 7), u7);
}
static transpose_to_dst_t trans8x8Tab[2] = { transpose8x8_direct_to_dst,
transpose8x8_accumu_to_dst };
static INLINE void transpose_8x16(const __m128i *in, __m128i *out) {
__m128i t0, t1, t2, t3, u0, u1;
t0 = _mm_unpacklo_epi16(in[0], in[1]);
t1 = _mm_unpacklo_epi16(in[2], in[3]);
t2 = _mm_unpacklo_epi16(in[4], in[5]);
t3 = _mm_unpacklo_epi16(in[6], in[7]);
u0 = _mm_unpacklo_epi32(t0, t1);
u1 = _mm_unpacklo_epi32(t2, t3);
out[0] = _mm_unpacklo_epi64(u0, u1);
out[1] = _mm_unpackhi_epi64(u0, u1);
u0 = _mm_unpackhi_epi32(t0, t1);
u1 = _mm_unpackhi_epi32(t2, t3);
out[2] = _mm_unpacklo_epi64(u0, u1);
out[3] = _mm_unpackhi_epi64(u0, u1);
t0 = _mm_unpackhi_epi16(in[0], in[1]);
t1 = _mm_unpackhi_epi16(in[2], in[3]);
t2 = _mm_unpackhi_epi16(in[4], in[5]);
t3 = _mm_unpackhi_epi16(in[6], in[7]);
u0 = _mm_unpacklo_epi32(t0, t1);
u1 = _mm_unpacklo_epi32(t2, t3);
out[4] = _mm_unpacklo_epi64(u0, u1);
out[5] = _mm_unpackhi_epi64(u0, u1);
// Ignore out[6] and out[7]
// they're zero vectors.
}
static void filter_horiz_v8p_ssse3(const uint8_t *src_ptr, ptrdiff_t src_pitch,
__m128i *f, int tapsNum, uint16_t *buf) {
__m128i s[8], t[6];
__m128i min_x2x3, max_x2x3;
__m128i temp;
if (tapsNum == 10) {
src_ptr -= 1;
}
s[0] = _mm_loadu_si128((const __m128i *)src_ptr);
s[1] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch));
s[2] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 2));
s[3] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 3));
s[4] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 4));
s[5] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 5));
s[6] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 6));
s[7] = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 7));
// TRANSPOSE...
// Vecotor represents column pixel pairs instead of a row
transpose_8x16(s, t);
// multiply 2 adjacent elements with the filter and add the result
s[0] = _mm_maddubs_epi16(t[0], f[0]);
s[1] = _mm_maddubs_epi16(t[1], f[1]);
s[2] = _mm_maddubs_epi16(t[2], f[2]);
s[3] = _mm_maddubs_epi16(t[3], f[3]);
s[4] = _mm_maddubs_epi16(t[4], f[4]);
s[5] = _mm_maddubs_epi16(t[5], f[5]);
// add and saturate the results together
min_x2x3 = _mm_min_epi16(s[2], s[3]);
max_x2x3 = _mm_max_epi16(s[2], s[3]);
temp = _mm_adds_epi16(s[0], s[1]);
temp = _mm_adds_epi16(temp, s[5]);
temp = _mm_adds_epi16(temp, s[4]);
temp = _mm_adds_epi16(temp, min_x2x3);
temp = _mm_adds_epi16(temp, max_x2x3);
_mm_storeu_si128((__m128i *)buf, temp);
}
// Vertical 4-pixel parallel
static INLINE void transpose4x4_direct_to_dst(const uint16_t *src,
int src_stride, uint8_t *dst,
int dst_stride) {
const __m128i k_256 = _mm_set1_epi16(1 << 8);
__m128i v0, v1, v2, v3;
// TODO(luoyi): two loads, 8 elements per load (two bytes per element)
__m128i u0 = _mm_loadl_epi64((__m128i const *)(src + 0 * src_stride));
__m128i u1 = _mm_loadl_epi64((__m128i const *)(src + 1 * src_stride));
__m128i u2 = _mm_loadl_epi64((__m128i const *)(src + 2 * src_stride));
__m128i u3 = _mm_loadl_epi64((__m128i const *)(src + 3 * src_stride));
v0 = _mm_unpacklo_epi16(u0, u1);
v1 = _mm_unpacklo_epi16(u2, u3);
v2 = _mm_unpacklo_epi32(v0, v1);
v3 = _mm_unpackhi_epi32(v0, v1);
u0 = _mm_mulhrs_epi16(v2, k_256);
u1 = _mm_mulhrs_epi16(v3, k_256);
u0 = _mm_packus_epi16(u0, u1);
u1 = _mm_srli_si128(u0, 4);
u2 = _mm_srli_si128(u0, 8);
u3 = _mm_srli_si128(u0, 12);
*(int *)(dst) = _mm_cvtsi128_si32(u0);
*(int *)(dst + dst_stride) = _mm_cvtsi128_si32(u1);
*(int *)(dst + dst_stride * 2) = _mm_cvtsi128_si32(u2);
*(int *)(dst + dst_stride * 3) = _mm_cvtsi128_si32(u3);
}
static INLINE void transpose4x4_accumu_to_dst(const uint16_t *src,
int src_stride, uint8_t *dst,
int dst_stride) {
const __m128i k_256 = _mm_set1_epi16(1 << 8);
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi16(1);
__m128i v0, v1, v2, v3;
__m128i u0 = _mm_loadl_epi64((__m128i const *)(src));
__m128i u1 = _mm_loadl_epi64((__m128i const *)(src + src_stride));
__m128i u2 = _mm_loadl_epi64((__m128i const *)(src + 2 * src_stride));
__m128i u3 = _mm_loadl_epi64((__m128i const *)(src + 3 * src_stride));
v0 = _mm_unpacklo_epi16(u0, u1);
v1 = _mm_unpacklo_epi16(u2, u3);
v2 = _mm_unpacklo_epi32(v0, v1);
v3 = _mm_unpackhi_epi32(v0, v1);
u0 = _mm_mulhrs_epi16(v2, k_256);
u1 = _mm_mulhrs_epi16(v3, k_256);
u2 = _mm_packus_epi16(u0, u1);
u0 = _mm_unpacklo_epi8(u2, zero);
u1 = _mm_unpackhi_epi8(u2, zero);
// load pixel values
v0 = _mm_loadl_epi64((__m128i const *)(dst));
v1 = _mm_loadl_epi64((__m128i const *)(dst + dst_stride));
v2 = _mm_loadl_epi64((__m128i const *)(dst + 2 * dst_stride));
v3 = _mm_loadl_epi64((__m128i const *)(dst + 3 * dst_stride));
v0 = _mm_unpacklo_epi8(v0, zero);
v1 = _mm_unpacklo_epi8(v1, zero);
v2 = _mm_unpacklo_epi8(v2, zero);
v3 = _mm_unpacklo_epi8(v3, zero);
v0 = _mm_unpacklo_epi64(v0, v1);
v1 = _mm_unpacklo_epi64(v2, v3);
u0 = _mm_adds_epi16(u0, v0);
u1 = _mm_adds_epi16(u1, v1);
u0 = _mm_adds_epi16(u0, one);
u1 = _mm_adds_epi16(u1, one);
u0 = _mm_srai_epi16(u0, 1);
u1 = _mm_srai_epi16(u1, 1);
// saturation and pack to pixels
u0 = _mm_packus_epi16(u0, u1);
u1 = _mm_srli_si128(u0, 4);
u2 = _mm_srli_si128(u0, 8);
u3 = _mm_srli_si128(u0, 12);
*(int *)(dst) = _mm_cvtsi128_si32(u0);
*(int *)(dst + dst_stride) = _mm_cvtsi128_si32(u1);
*(int *)(dst + dst_stride * 2) = _mm_cvtsi128_si32(u2);
*(int *)(dst + dst_stride * 3) = _mm_cvtsi128_si32(u3);
}
static transpose_to_dst_t trans4x4Tab[2] = { transpose4x4_direct_to_dst,
transpose4x4_accumu_to_dst };
static void filter_horiz_v4p_ssse3(const uint8_t *src_ptr, ptrdiff_t src_pitch,
__m128i *f, int tapsNum, uint16_t *buf) {
__m128i A, B, C, D;
__m128i tr0_0, tr0_1, s1s0, s3s2, s5s4, s7s6, s9s8, sbsa;
__m128i x0, x1, x2, x3, x4, x5;
__m128i min_x2x3, max_x2x3, temp;
if (tapsNum == 10) {
src_ptr -= 1;
}
A = _mm_loadu_si128((const __m128i *)src_ptr);
B = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch));
C = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 2));
D = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 3));
// TRANSPOSE...
// Vecotor represents column pixel pairs instead of a row
// 00 01 10 11 02 03 12 13 04 05 14 15 06 07 16 17
tr0_0 = _mm_unpacklo_epi16(A, B);
// 20 21 30 31 22 23 32 33 24 25 34 35 26 27 36 37
tr0_1 = _mm_unpacklo_epi16(C, D);
// 00 01 10 11 20 21 30 31 02 03 12 13 22 23 32 33
s1s0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
// 04 05 14 15 24 25 34 35 06 07 16 17 26 27 36 37
s5s4 = _mm_unpackhi_epi32(tr0_0, tr0_1);
// 02 03 12 13 22 23 32 33
s3s2 = _mm_srli_si128(s1s0, 8);
// 06 07 16 17 26 27 36 37
s7s6 = _mm_srli_si128(s5s4, 8);
tr0_0 = _mm_unpackhi_epi16(A, B);
tr0_1 = _mm_unpackhi_epi16(C, D);
s9s8 = _mm_unpacklo_epi32(tr0_0, tr0_1);
sbsa = _mm_srli_si128(s9s8, 8);
// multiply 2 adjacent elements with the filter and add the result
x0 = _mm_maddubs_epi16(s1s0, f[0]);
x1 = _mm_maddubs_epi16(s3s2, f[1]);
x2 = _mm_maddubs_epi16(s5s4, f[2]);
x3 = _mm_maddubs_epi16(s7s6, f[3]);
x4 = _mm_maddubs_epi16(s9s8, f[4]);
x5 = _mm_maddubs_epi16(sbsa, f[5]);
// add and saturate the results together
min_x2x3 = _mm_min_epi16(x2, x3);
max_x2x3 = _mm_max_epi16(x2, x3);
temp = _mm_adds_epi16(x0, x1);
temp = _mm_adds_epi16(temp, x5);
temp = _mm_adds_epi16(temp, x4);
temp = _mm_adds_epi16(temp, min_x2x3);
temp = _mm_adds_epi16(temp, max_x2x3);
_mm_storel_epi64((__m128i *)buf, temp);
}
// Note:
// This function assumes:
// (1) 10/12-taps filters
// (2) x_step_q4 = 16 then filter is fixed at the call
void av1_convolve_horiz_ssse3(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h,
const InterpFilterParams filter_params,
const int subpel_x_q4, int x_step_q4, int avg) {
DECLARE_ALIGNED(16, uint16_t, temp[8 * 8]);
__m128i verf[6];
__m128i horf[2];
SubpelFilterCoeffs hCoeffs, vCoeffs;
const uint8_t *src_ptr;
store_pixel_t store2p = store2pixelTab[avg];
store_pixel_t store4p = store4pixelTab[avg];
transpose_to_dst_t transpose_4x4 = trans4x4Tab[avg];
transpose_to_dst_t transpose_8x8 = trans8x8Tab[avg];
const int tapsNum = filter_params.taps;
int block_height, block_residu;
int i, col, count;
(void)x_step_q4;
if (0 == subpel_x_q4 || 16 != x_step_q4) {
av1_convolve_horiz_c(src, src_stride, dst, dst_stride, w, h, filter_params,
subpel_x_q4, x_step_q4, avg);
return;
}
hCoeffs = get_subpel_filter_signal_dir(filter_params, subpel_x_q4 - 1);
vCoeffs = get_subpel_filter_ver_signal_dir(filter_params, subpel_x_q4 - 1);
if (!hCoeffs || !vCoeffs) {
av1_convolve_horiz_c(src, src_stride, dst, dst_stride, w, h, filter_params,
subpel_x_q4, x_step_q4, avg);
return;
}
verf[0] = *((const __m128i *)(vCoeffs));
verf[1] = *((const __m128i *)(vCoeffs + 1));
verf[2] = *((const __m128i *)(vCoeffs + 2));
verf[3] = *((const __m128i *)(vCoeffs + 3));
verf[4] = *((const __m128i *)(vCoeffs + 4));
verf[5] = *((const __m128i *)(vCoeffs + 5));
horf[0] = *((const __m128i *)(hCoeffs));
horf[1] = *((const __m128i *)(hCoeffs + 1));
count = 0;
// here tapsNum is filter size
src -= (tapsNum >> 1) - 1;
src_ptr = src;
if (w > WIDTH_BOUND && h > HEIGHT_BOUND) {
// 8-pixels parallel
block_height = h >> 3;
block_residu = h & 7;
do {
for (col = 0; col < w; col += 8) {
for (i = 0; i < 8; ++i) {
filter_horiz_v8p_ssse3(src_ptr, src_stride, verf, tapsNum,
temp + (i * 8));
src_ptr += 1;
}
transpose_8x8(temp, 8, dst + col, dst_stride);
}
count++;
src_ptr = src + count * src_stride * 8;
dst += dst_stride * 8;
} while (count < block_height);
for (i = 0; i < block_residu; ++i) {
filter_horiz_ssse3(src_ptr, horf, tapsNum, w, store4p, dst);
src_ptr += src_stride;
dst += dst_stride;
}
} else {
if (w > 2) {
// 4-pixels parallel
block_height = h >> 2;
block_residu = h & 3;
do {
for (col = 0; col < w; col += 4) {
for (i = 0; i < 4; ++i) {
filter_horiz_v4p_ssse3(src_ptr, src_stride, verf, tapsNum,
temp + (i * 4));
src_ptr += 1;
}
transpose_4x4(temp, 4, dst + col, dst_stride);
}
count++;
src_ptr = src + count * src_stride * 4;
dst += dst_stride * 4;
} while (count < block_height);
for (i = 0; i < block_residu; ++i) {
filter_horiz_ssse3(src_ptr, horf, tapsNum, w, store4p, dst);
src_ptr += src_stride;
dst += dst_stride;
}
} else {
for (i = 0; i < h; i++) {
filter_horiz_ssse3(src_ptr, horf, tapsNum, w, store2p, dst);
src_ptr += src_stride;
dst += dst_stride;
}
}
}
}
// Vertical convolution filtering
static INLINE void store_8_pixel_only(const __m128i *x, uint8_t *dst) {
__m128i u = _mm_packus_epi16(*x, *x);
_mm_storel_epi64((__m128i *)dst, u);
}
static INLINE void accumulate_store_8_pixel(const __m128i *x, uint8_t *dst) {
__m128i y = accumulate_store(x, dst);
_mm_storel_epi64((__m128i *)dst, y);
}
static store_pixel_t store8pixelTab[2] = { store_8_pixel_only,
accumulate_store_8_pixel };
static __m128i filter_vert_ssse3(const uint8_t *src, int src_stride,
int tapsNum, __m128i *f) {
__m128i s[12];
const __m128i k_256 = _mm_set1_epi16(1 << 8);
const __m128i zero = _mm_setzero_si128();
__m128i min_x2x3, max_x2x3, sum;
int i = 0;
int r = 0;
if (10 == tapsNum) {
i += 1;
s[0] = zero;
}
while (i < 12) {
s[i] = _mm_loadu_si128((__m128i const *)(src + r * src_stride));
i += 1;
r += 1;
}
s[0] = _mm_unpacklo_epi8(s[0], s[1]);
s[2] = _mm_unpacklo_epi8(s[2], s[3]);
s[4] = _mm_unpacklo_epi8(s[4], s[5]);
s[6] = _mm_unpacklo_epi8(s[6], s[7]);
s[8] = _mm_unpacklo_epi8(s[8], s[9]);
s[10] = _mm_unpacklo_epi8(s[10], s[11]);
s[0] = _mm_maddubs_epi16(s[0], f[0]);
s[2] = _mm_maddubs_epi16(s[2], f[1]);
s[4] = _mm_maddubs_epi16(s[4], f[2]);
s[6] = _mm_maddubs_epi16(s[6], f[3]);
s[8] = _mm_maddubs_epi16(s[8], f[4]);
s[10] = _mm_maddubs_epi16(s[10], f[5]);
min_x2x3 = _mm_min_epi16(s[4], s[6]);
max_x2x3 = _mm_max_epi16(s[4], s[6]);
sum = _mm_adds_epi16(s[0], s[2]);
sum = _mm_adds_epi16(sum, s[10]);
sum = _mm_adds_epi16(sum, s[8]);
sum = _mm_adds_epi16(sum, min_x2x3);
sum = _mm_adds_epi16(sum, max_x2x3);
sum = _mm_mulhrs_epi16(sum, k_256);
sum = _mm_packus_epi16(sum, sum);
sum = _mm_unpacklo_epi8(sum, zero);
return sum;
}
static void filter_vert_horiz_parallel_ssse3(const uint8_t *src, int src_stride,
__m128i *f, int tapsNum,
store_pixel_t store_func,
uint8_t *dst) {
__m128i sum = filter_vert_ssse3(src, src_stride, tapsNum, f);
store_func(&sum, dst);
}
static void filter_vert_compute_small(const uint8_t *src, int src_stride,
__m128i *f, int tapsNum,
store_pixel_t store_func, int h,
uint8_t *dst, int dst_stride) {
int rowIndex = 0;
do {
filter_vert_horiz_parallel_ssse3(src, src_stride, f, tapsNum, store_func,
dst);
rowIndex++;
src += src_stride;
dst += dst_stride;
} while (rowIndex < h);
}
static void filter_vert_compute_large(const uint8_t *src, int src_stride,
__m128i *f, int tapsNum,
store_pixel_t store_func, int w, int h,
uint8_t *dst, int dst_stride) {
int col;
int rowIndex = 0;
const uint8_t *src_ptr = src;
uint8_t *dst_ptr = dst;
do {
for (col = 0; col < w; col += 8) {
filter_vert_horiz_parallel_ssse3(src_ptr, src_stride, f, tapsNum,
store_func, dst_ptr);
src_ptr += 8;
dst_ptr += 8;
}
rowIndex++;
src_ptr = src + rowIndex * src_stride;
dst_ptr = dst + rowIndex * dst_stride;
} while (rowIndex < h);
}
void av1_convolve_vert_ssse3(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h,
const InterpFilterParams filter_params,
const int subpel_y_q4, int y_step_q4, int avg) {
__m128i verf[6];
SubpelFilterCoeffs vCoeffs;
const uint8_t *src_ptr;
uint8_t *dst_ptr = dst;
store_pixel_t store2p = store2pixelTab[avg];
store_pixel_t store4p = store4pixelTab[avg];
store_pixel_t store8p = store8pixelTab[avg];
const int tapsNum = filter_params.taps;
if (0 == subpel_y_q4 || 16 != y_step_q4) {
av1_convolve_vert_c(src, src_stride, dst, dst_stride, w, h, filter_params,
subpel_y_q4, y_step_q4, avg);
return;
}
vCoeffs = get_subpel_filter_ver_signal_dir(filter_params, subpel_y_q4 - 1);
if (!vCoeffs) {
av1_convolve_vert_c(src, src_stride, dst, dst_stride, w, h, filter_params,
subpel_y_q4, y_step_q4, avg);
return;
}
verf[0] = *((const __m128i *)(vCoeffs));
verf[1] = *((const __m128i *)(vCoeffs + 1));
verf[2] = *((const __m128i *)(vCoeffs + 2));
verf[3] = *((const __m128i *)(vCoeffs + 3));
verf[4] = *((const __m128i *)(vCoeffs + 4));
verf[5] = *((const __m128i *)(vCoeffs + 5));
src -= src_stride * ((tapsNum >> 1) - 1);
src_ptr = src;
if (w > 4) {
filter_vert_compute_large(src_ptr, src_stride, verf, tapsNum, store8p, w, h,
dst_ptr, dst_stride);
} else if (4 == w) {
filter_vert_compute_small(src_ptr, src_stride, verf, tapsNum, store4p, h,
dst_ptr, dst_stride);
} else if (2 == w) {
filter_vert_compute_small(src_ptr, src_stride, verf, tapsNum, store2p, h,
dst_ptr, dst_stride);
} else {
assert(0);
}
}
static void init_simd_horiz_filter(const int16_t *filter_ptr, int taps,
int8_t (*simd_horiz_filter)[2][16]) {
int shift;
int offset = (12 - taps) / 2;
const int16_t *filter_row;
for (shift = 1; shift < SUBPEL_SHIFTS; ++shift) {
int i;
filter_row = filter_ptr + shift * taps;
for (i = 0; i < offset; ++i) simd_horiz_filter[shift - 1][0][i] = 0;
for (i = 0; i < offset + 2; ++i) simd_horiz_filter[shift - 1][1][i] = 0;
for (i = 0; i < taps; ++i) {
simd_horiz_filter[shift - 1][0][i + offset] = (int8_t)filter_row[i];
simd_horiz_filter[shift - 1][1][i + offset + 2] = (int8_t)filter_row[i];
}
for (i = offset + taps; i < 16; ++i) simd_horiz_filter[shift - 1][0][i] = 0;
for (i = offset + 2 + taps; i < 16; ++i)
simd_horiz_filter[shift - 1][1][i] = 0;
}
}
static void init_simd_vert_filter(const int16_t *filter_ptr, int taps,
int8_t (*simd_vert_filter)[6][16]) {
int shift;
int offset = (12 - taps) / 2;
const int16_t *filter_row;
for (shift = 1; shift < SUBPEL_SHIFTS; ++shift) {
int i;
filter_row = filter_ptr + shift * taps;
for (i = 0; i < 6; ++i) {
int j;
for (j = 0; j < 16; ++j) {
int c = i * 2 + (j % 2) - offset;
if (c >= 0 && c < taps)
simd_vert_filter[shift - 1][i][j] = (int8_t)filter_row[c];
else
simd_vert_filter[shift - 1][i][j] = 0;
}
}
}
}
typedef struct SimdFilter {
InterpFilter interp_filter;
int8_t (*simd_horiz_filter)[2][16];
int8_t (*simd_vert_filter)[6][16];
} SimdFilter;
#if CONFIG_EXT_INTERP
#define MULTITAP_FILTER_NUM 1
SimdFilter simd_filters[MULTITAP_FILTER_NUM] = {
{ MULTITAP_SHARP, &sub_pel_filters_12sharp_signal_dir[0],
&sub_pel_filters_12sharp_ver_signal_dir[0] },
};
#endif
#if USE_TEMPORALFILTER_12TAP
SimdFilter temporal_simd_filter = {
TEMPORALFILTER_12TAP, &sub_pel_filters_temporalfilter_12_signal_dir[0],
&sub_pel_filters_temporalfilter_12_ver_signal_dir[0]
};
#endif
void av1_convolve_init_ssse3(void) {
#if USE_TEMPORALFILTER_12TAP
{
InterpFilterParams filter_params =
av1_get_interp_filter_params(temporal_simd_filter.interp_filter);
int taps = filter_params.taps;
const int16_t *filter_ptr = filter_params.filter_ptr;
init_simd_horiz_filter(filter_ptr, taps,
temporal_simd_filter.simd_horiz_filter);
init_simd_vert_filter(filter_ptr, taps,
temporal_simd_filter.simd_vert_filter);
}
#endif
#if CONFIG_EXT_INTERP
{
int i;
for (i = 0; i < MULTITAP_FILTER_NUM; ++i) {
InterpFilter interp_filter = simd_filters[i].interp_filter;
InterpFilterParams filter_params =
av1_get_interp_filter_params(interp_filter);
int taps = filter_params.taps;
const int16_t *filter_ptr = filter_params.filter_ptr;
init_simd_horiz_filter(filter_ptr, taps,
simd_filters[i].simd_horiz_filter);
init_simd_vert_filter(filter_ptr, taps, simd_filters[i].simd_vert_filter);
}
}
#endif
return;
}