Commit b8094425 authored by Linfeng Zhang's avatar Linfeng Zhang
Browse files

Update vp9_scale_and_extend_frame_ssse3()

Change-Id: I22622faebfcc36f7a4d1f37e3800ae8ab87c8cd4
parent 9a71811d
......@@ -48,17 +48,19 @@ class ScaleTest : public VpxScaleBase,
}
void RunTest() {
static const int kNumSizesToTest = 4;
static const int kNumSizesToTest = 20;
static const int kNumScaleFactorsToTest = 4;
static const int kWidthsToTest[] = { 16, 32, 48, 64 };
static const int kHeightsToTest[] = { 16, 20, 24, 28 };
static const int kSizesToTest[] = {
2, 4, 6, 8, 10, 12, 14, 16, 18, 20,
22, 24, 26, 28, 30, 32, 34, 68, 128, 134
};
static const int kScaleFactors[] = { 1, 2, 3, 4 };
for (INTERP_FILTER filter_type = 0; filter_type < 4; ++filter_type) {
for (int phase_scaler = 0; phase_scaler < 16; ++phase_scaler) {
for (int h = 0; h < kNumSizesToTest; ++h) {
const int src_height = kHeightsToTest[h];
const int src_height = kSizesToTest[h];
for (int w = 0; w < kNumSizesToTest; ++w) {
const int src_width = kWidthsToTest[w];
const int src_width = kSizesToTest[w];
for (int sf_up_idx = 0; sf_up_idx < kNumScaleFactorsToTest;
++sf_up_idx) {
const int sf_up = kScaleFactors[sf_up_idx];
......@@ -71,7 +73,13 @@ class ScaleTest : public VpxScaleBase,
continue;
}
// I420 frame width and height must be even.
if (dst_width & 1 || dst_height & 1) {
if (!dst_width || !dst_height || dst_width & 1 ||
dst_height & 1) {
continue;
}
// vpx_convolve8_c() has restriction on the step which cannot
// exceed 64 (ratio 1 to 4).
if (src_width > 4 * dst_width || src_height > 4 * dst_height) {
continue;
}
ASSERT_NO_FATAL_FAILURE(ResetScaleImages(
......
......@@ -13,158 +13,147 @@
#include "./vp9_rtcd.h"
#include "./vpx_dsp_rtcd.h"
#include "./vpx_scale_rtcd.h"
#include "vpx_dsp/x86/convolve_ssse3.h"
#include "vpx_dsp/x86/mem_sse2.h"
#include "vpx_scale/yv12config.h"
static void downsample_2_to_1_ssse3(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride, int w,
int h) {
static void scale_plane_2_to_1_phase_0(const uint8_t *src,
const ptrdiff_t src_stride, uint8_t *dst,
const ptrdiff_t dst_stride,
const int dst_w, const int dst_h) {
const __m128i mask = _mm_set1_epi16(0x00FF);
const int max_width = w & ~15;
int y;
for (y = 0; y < h; ++y) {
int x;
for (x = 0; x < max_width; x += 16) {
const __m128i a = _mm_loadu_si128((const __m128i *)(src + x * 2 + 0));
const __m128i b = _mm_loadu_si128((const __m128i *)(src + x * 2 + 16));
const int max_width = (dst_w + 15) & ~15;
int y = dst_h;
do {
int x = max_width;
do {
const __m128i a = _mm_loadu_si128((const __m128i *)(src + 0));
const __m128i b = _mm_loadu_si128((const __m128i *)(src + 16));
const __m128i a_and = _mm_and_si128(a, mask);
const __m128i b_and = _mm_and_si128(b, mask);
const __m128i c = _mm_packus_epi16(a_and, b_and);
_mm_storeu_si128((__m128i *)(dst + x), c);
}
for (; x < w; ++x) dst[x] = src[x * 2];
src += src_stride * 2;
dst += dst_stride;
}
_mm_storeu_si128((__m128i *)dst, c);
src += 32;
dst += 16;
x -= 16;
} while (x);
src += 2 * (src_stride - max_width);
dst += dst_stride - max_width;
} while (--y);
}
static INLINE __m128i filter(const __m128i *const a, const __m128i *const b,
const __m128i *const c, const __m128i *const d,
const __m128i *const e, const __m128i *const f,
const __m128i *const g, const __m128i *const h) {
// TODO(linfengz): hard coded coefficients should be replaced with general
// coefficients
// reading.
const __m128i coeffs_ab =
_mm_set_epi8(6, -1, 6, -1, 6, -1, 6, -1, 6, -1, 6, -1, 6, -1, 6, -1);
const __m128i coeffs_cd = _mm_set_epi8(78, -19, 78, -19, 78, -19, 78, -19, 78,
-19, 78, -19, 78, -19, 78, -19);
const __m128i const64_x16 = _mm_set1_epi16(64);
const __m128i ab = _mm_unpacklo_epi8(*a, *b);
const __m128i cd = _mm_unpacklo_epi8(*c, *d);
const __m128i fe = _mm_unpacklo_epi8(*f, *e);
const __m128i hg = _mm_unpacklo_epi8(*h, *g);
const __m128i ab_terms = _mm_maddubs_epi16(ab, coeffs_ab);
const __m128i cd_terms = _mm_maddubs_epi16(cd, coeffs_cd);
const __m128i fe_terms = _mm_maddubs_epi16(fe, coeffs_cd);
const __m128i hg_terms = _mm_maddubs_epi16(hg, coeffs_ab);
// can not overflow
const __m128i abcd_terms = _mm_add_epi16(ab_terms, cd_terms);
// can not overflow
const __m128i fehg_terms = _mm_add_epi16(fe_terms, hg_terms);
// can overflow, use saturating add
const __m128i terms = _mm_adds_epi16(abcd_terms, fehg_terms);
const __m128i round = _mm_adds_epi16(terms, const64_x16);
const __m128i shift = _mm_srai_epi16(round, 7);
return _mm_packus_epi16(shift, shift);
static INLINE __m128i scale_1_to_2_phase_0_kernel(const __m128i *const s,
const __m128i *const f) {
__m128i ss[4], temp;
ss[0] = _mm_unpacklo_epi8(s[0], s[1]);
ss[1] = _mm_unpacklo_epi8(s[2], s[3]);
ss[2] = _mm_unpacklo_epi8(s[4], s[5]);
ss[3] = _mm_unpacklo_epi8(s[6], s[7]);
temp = convolve8_8_ssse3(ss, f);
return _mm_packus_epi16(temp, temp);
}
static void eight_tap_row_ssse3(const uint8_t *src, uint8_t *dst, int w) {
const int max_width = w & ~7;
int x = 0;
for (; x < max_width; x += 8) {
const __m128i a = _mm_loadl_epi64((const __m128i *)(src + x + 0));
const __m128i b = _mm_loadl_epi64((const __m128i *)(src + x + 1));
const __m128i c = _mm_loadl_epi64((const __m128i *)(src + x + 2));
const __m128i d = _mm_loadl_epi64((const __m128i *)(src + x + 3));
const __m128i e = _mm_loadl_epi64((const __m128i *)(src + x + 4));
const __m128i f = _mm_loadl_epi64((const __m128i *)(src + x + 5));
const __m128i g = _mm_loadl_epi64((const __m128i *)(src + x + 6));
const __m128i h = _mm_loadl_epi64((const __m128i *)(src + x + 7));
const __m128i pack = filter(&a, &b, &c, &d, &e, &f, &g, &h);
_mm_storel_epi64((__m128i *)(dst + x), pack);
}
// Only calculate odd columns since even columns are just src pixels' copies.
static void scale_1_to_2_phase_0_row(const uint8_t *src, uint8_t *dst,
const int w, const __m128i *const f) {
int x = w;
do {
__m128i s[8], temp;
s[0] = _mm_loadl_epi64((const __m128i *)(src + 0));
s[1] = _mm_loadl_epi64((const __m128i *)(src + 1));
s[2] = _mm_loadl_epi64((const __m128i *)(src + 2));
s[3] = _mm_loadl_epi64((const __m128i *)(src + 3));
s[4] = _mm_loadl_epi64((const __m128i *)(src + 4));
s[5] = _mm_loadl_epi64((const __m128i *)(src + 5));
s[6] = _mm_loadl_epi64((const __m128i *)(src + 6));
s[7] = _mm_loadl_epi64((const __m128i *)(src + 7));
temp = scale_1_to_2_phase_0_kernel(s, f);
_mm_storel_epi64((__m128i *)dst, temp);
src += 8;
dst += 8;
x -= 8;
} while (x);
}
static void upsample_1_to_2_ssse3(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride, int dst_w,
int dst_h) {
dst_w /= 2;
dst_h /= 2;
{
DECLARE_ALIGNED(16, uint8_t, tmp[1920 * 8]);
uint8_t *tmp0 = tmp + dst_w * 0;
uint8_t *tmp1 = tmp + dst_w * 1;
uint8_t *tmp2 = tmp + dst_w * 2;
uint8_t *tmp3 = tmp + dst_w * 3;
uint8_t *tmp4 = tmp + dst_w * 4;
uint8_t *tmp5 = tmp + dst_w * 5;
uint8_t *tmp6 = tmp + dst_w * 6;
uint8_t *tmp7 = tmp + dst_w * 7;
uint8_t *tmp8 = NULL;
const int max_width = dst_w & ~7;
int y;
eight_tap_row_ssse3(src - src_stride * 3 - 3, tmp0, dst_w);
eight_tap_row_ssse3(src - src_stride * 2 - 3, tmp1, dst_w);
eight_tap_row_ssse3(src - src_stride * 1 - 3, tmp2, dst_w);
eight_tap_row_ssse3(src + src_stride * 0 - 3, tmp3, dst_w);
eight_tap_row_ssse3(src + src_stride * 1 - 3, tmp4, dst_w);
eight_tap_row_ssse3(src + src_stride * 2 - 3, tmp5, dst_w);
eight_tap_row_ssse3(src + src_stride * 3 - 3, tmp6, dst_w);
for (y = 0; y < dst_h; y++) {
int x;
eight_tap_row_ssse3(src + src_stride * 4 - 3, tmp7, dst_w);
for (x = 0; x < max_width; x += 8) {
const __m128i A = _mm_loadl_epi64((const __m128i *)(src + x));
const __m128i B = _mm_loadl_epi64((const __m128i *)(tmp3 + x));
const __m128i AB = _mm_unpacklo_epi8(A, B);
__m128i C, D, CD;
_mm_storeu_si128((__m128i *)(dst + x * 2), AB);
{
const __m128i a =
_mm_loadl_epi64((const __m128i *)(src + x - src_stride * 3));
const __m128i b =
_mm_loadl_epi64((const __m128i *)(src + x - src_stride * 2));
const __m128i c =
_mm_loadl_epi64((const __m128i *)(src + x - src_stride * 1));
const __m128i d =
_mm_loadl_epi64((const __m128i *)(src + x + src_stride * 0));
const __m128i e =
_mm_loadl_epi64((const __m128i *)(src + x + src_stride * 1));
const __m128i f =
_mm_loadl_epi64((const __m128i *)(src + x + src_stride * 2));
const __m128i g =
_mm_loadl_epi64((const __m128i *)(src + x + src_stride * 3));
const __m128i h =
_mm_loadl_epi64((const __m128i *)(src + x + src_stride * 4));
C = filter(&a, &b, &c, &d, &e, &f, &g, &h);
}
{
const __m128i a = _mm_loadl_epi64((const __m128i *)(tmp0 + x));
const __m128i b = _mm_loadl_epi64((const __m128i *)(tmp1 + x));
const __m128i c = _mm_loadl_epi64((const __m128i *)(tmp2 + x));
const __m128i d = _mm_loadl_epi64((const __m128i *)(tmp3 + x));
const __m128i e = _mm_loadl_epi64((const __m128i *)(tmp4 + x));
const __m128i f = _mm_loadl_epi64((const __m128i *)(tmp5 + x));
const __m128i g = _mm_loadl_epi64((const __m128i *)(tmp6 + x));
const __m128i h = _mm_loadl_epi64((const __m128i *)(tmp7 + x));
D = filter(&a, &b, &c, &d, &e, &f, &g, &h);
}
CD = _mm_unpacklo_epi8(C, D);
_mm_storeu_si128((__m128i *)(dst + x * 2 + dst_stride), CD);
}
src += src_stride;
dst += dst_stride * 2;
tmp8 = tmp0;
tmp0 = tmp1;
tmp1 = tmp2;
tmp2 = tmp3;
tmp3 = tmp4;
tmp4 = tmp5;
tmp5 = tmp6;
tmp6 = tmp7;
tmp7 = tmp8;
static void scale_plane_1_to_2_phase_0(const uint8_t *src,
const ptrdiff_t src_stride, uint8_t *dst,
const ptrdiff_t dst_stride,
const int src_w, const int src_h,
const int16_t *const coef,
uint8_t *const temp_buffer) {
int max_width;
int y;
uint8_t *tmp[9];
__m128i f[4];
max_width = (src_w + 7) & ~7;
tmp[0] = temp_buffer + 0 * max_width;
tmp[1] = temp_buffer + 1 * max_width;
tmp[2] = temp_buffer + 2 * max_width;
tmp[3] = temp_buffer + 3 * max_width;
tmp[4] = temp_buffer + 4 * max_width;
tmp[5] = temp_buffer + 5 * max_width;
tmp[6] = temp_buffer + 6 * max_width;
tmp[7] = temp_buffer + 7 * max_width;
shuffle_filter_ssse3(coef, f);
scale_1_to_2_phase_0_row(src - 3 * src_stride - 3, tmp[0], max_width, f);
scale_1_to_2_phase_0_row(src - 2 * src_stride - 3, tmp[1], max_width, f);
scale_1_to_2_phase_0_row(src - 1 * src_stride - 3, tmp[2], max_width, f);
scale_1_to_2_phase_0_row(src + 0 * src_stride - 3, tmp[3], max_width, f);
scale_1_to_2_phase_0_row(src + 1 * src_stride - 3, tmp[4], max_width, f);
scale_1_to_2_phase_0_row(src + 2 * src_stride - 3, tmp[5], max_width, f);
scale_1_to_2_phase_0_row(src + 3 * src_stride - 3, tmp[6], max_width, f);
y = src_h;
do {
int x;
scale_1_to_2_phase_0_row(src + 4 * src_stride - 3, tmp[7], max_width, f);
for (x = 0; x < max_width; x += 8) {
__m128i s[8], C, D, CD;
// Even rows
const __m128i a = _mm_loadl_epi64((const __m128i *)(src + x));
const __m128i b = _mm_loadl_epi64((const __m128i *)(tmp[3] + x));
const __m128i ab = _mm_unpacklo_epi8(a, b);
_mm_storeu_si128((__m128i *)(dst + 2 * x), ab);
// Odd rows
// Even columns
load_8bit_8x8(src + x - 3 * src_stride, src_stride, s);
C = scale_1_to_2_phase_0_kernel(s, f);
// Odd columns
s[0] = _mm_loadl_epi64((const __m128i *)(tmp[0] + x));
s[1] = _mm_loadl_epi64((const __m128i *)(tmp[1] + x));
s[2] = _mm_loadl_epi64((const __m128i *)(tmp[2] + x));
s[3] = _mm_loadl_epi64((const __m128i *)(tmp[3] + x));
s[4] = _mm_loadl_epi64((const __m128i *)(tmp[4] + x));
s[5] = _mm_loadl_epi64((const __m128i *)(tmp[5] + x));
s[6] = _mm_loadl_epi64((const __m128i *)(tmp[6] + x));
s[7] = _mm_loadl_epi64((const __m128i *)(tmp[7] + x));
D = scale_1_to_2_phase_0_kernel(s, f);
CD = _mm_unpacklo_epi8(C, D);
_mm_storeu_si128((__m128i *)(dst + dst_stride + 2 * x), CD);
}
}
src += src_stride;
dst += 2 * dst_stride;
tmp[8] = tmp[0];
tmp[0] = tmp[1];
tmp[1] = tmp[2];
tmp[2] = tmp[3];
tmp[3] = tmp[4];
tmp[4] = tmp[5];
tmp[5] = tmp[6];
tmp[6] = tmp[7];
tmp[7] = tmp[8];
} while (--y);
}
void vp9_scale_and_extend_frame_ssse3(const YV12_BUFFER_CONFIG *src,
......@@ -174,33 +163,43 @@ void vp9_scale_and_extend_frame_ssse3(const YV12_BUFFER_CONFIG *src,
const int src_h = src->y_crop_height;
const int dst_w = dst->y_crop_width;
const int dst_h = dst->y_crop_height;
const int dst_uv_w = dst_w / 2;
const int dst_uv_h = dst_h / 2;
int scaled = 0;
if (dst_w * 2 == src_w && dst_h * 2 == src_h && phase_scaler == 0) {
downsample_2_to_1_ssse3(src->y_buffer, src->y_stride, dst->y_buffer,
dst->y_stride, dst_w, dst_h);
downsample_2_to_1_ssse3(src->u_buffer, src->uv_stride, dst->u_buffer,
dst->uv_stride, dst_uv_w, dst_uv_h);
downsample_2_to_1_ssse3(src->v_buffer, src->uv_stride, dst->v_buffer,
dst->uv_stride, dst_uv_w, dst_uv_h);
vpx_extend_frame_borders(dst);
} else if (dst_w == src_w * 2 && dst_h == src_h * 2 && filter_type == 0 &&
phase_scaler == 0) {
// The upsample() supports widths up to 1920 * 2. If greater, fall back
// to vp9_scale_and_extend_frame_c().
if (dst_w / 2 <= 1920) {
upsample_1_to_2_ssse3(src->y_buffer, src->y_stride, dst->y_buffer,
dst->y_stride, dst_w, dst_h);
upsample_1_to_2_ssse3(src->u_buffer, src->uv_stride, dst->u_buffer,
dst->uv_stride, dst_uv_w, dst_uv_h);
upsample_1_to_2_ssse3(src->v_buffer, src->uv_stride, dst->v_buffer,
dst->uv_stride, dst_uv_w, dst_uv_h);
vpx_extend_frame_borders(dst);
} else {
vp9_scale_and_extend_frame_c(src, dst, filter_type, phase_scaler);
// 2 to 1
const int dst_uv_w = dst_w / 2;
const int dst_uv_h = dst_h / 2;
scaled = 1;
scale_plane_2_to_1_phase_0(src->y_buffer, src->y_stride, dst->y_buffer,
dst->y_stride, dst_w, dst_h);
scale_plane_2_to_1_phase_0(src->u_buffer, src->uv_stride, dst->u_buffer,
dst->uv_stride, dst_uv_w, dst_uv_h);
scale_plane_2_to_1_phase_0(src->v_buffer, src->uv_stride, dst->v_buffer,
dst->uv_stride, dst_uv_w, dst_uv_h);
} else if (dst_w == src_w * 2 && dst_h == src_h * 2 && phase_scaler == 0) {
// 1 to 2
uint8_t *const temp_buffer = (uint8_t *)malloc(8 * ((src_w + 7) & ~7));
if (temp_buffer) {
scaled = 1;
scale_plane_1_to_2_phase_0(
src->y_buffer, src->y_stride, dst->y_buffer, dst->y_stride, src_w,
src_h, vp9_filter_kernels[filter_type][8], temp_buffer);
scale_plane_1_to_2_phase_0(src->u_buffer, src->uv_stride, dst->u_buffer,
dst->uv_stride, src_w / 2, src_h / 2,
vp9_filter_kernels[filter_type][8],
temp_buffer);
scale_plane_1_to_2_phase_0(src->v_buffer, src->uv_stride, dst->v_buffer,
dst->uv_stride, src_w / 2, src_h / 2,
vp9_filter_kernels[filter_type][8],
temp_buffer);
free(temp_buffer);
}
}
if (scaled) {
vpx_extend_frame_borders(dst);
} else {
// Call c version for all other scaling ratios.
vp9_scale_and_extend_frame_c(src, dst, filter_type, phase_scaler);
}
}
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