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Commit d8e68bd1 authored by John Koleszar's avatar John Koleszar Committed by Gerrit Code Review
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Merge changes I922f8602,I0ac3343d into experimental 

* changes:
  Use 256-byte aligned filter tables
  Set scale factors consistently for SPLITMV
parents 350ba5f3 6fd7dd1a
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Showing with 81 additions and 164 deletions
test/convolve_test.cc
View file @ d8e68bd1
......@@ -13,6 +13,7 @@ extern "C" {
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_ports/mem.h"
}
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/acm_random.h"
......@@ -430,19 +431,7 @@ TEST_P(ConvolveTest, MatchesReferenceAveragingSubpixelFilter) {
}
}
TEST_P(ConvolveTest, ChangeFilterWorks) {
uint8_t* const in = input();
uint8_t* const out = output();
const int16_t filters[][8] = {
{ 0, 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 128},
{ 0, 0, 0, 128},
{ 0, 0, 128},
{ 0, 128},
{ 128},
DECLARE_ALIGNED(256, const int16_t, kChangeFilters[16][8]) = {
{ 0, 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 128},
......@@ -458,32 +447,45 @@ TEST_P(ConvolveTest, ChangeFilterWorks) {
{ 0, 0, 0, 128},
{ 0, 0, 128},
{ 0, 128},
{ 128},
};
{ 128}
};
TEST_P(ConvolveTest, ChangeFilterWorks) {
uint8_t* const in = input();
uint8_t* const out = output();
REGISTER_STATE_CHECK(UUT_->h8_(in, kInputStride, out, kOutputStride,
filters[0], 17, filters[4], 16,
kChangeFilters[8], 17, kChangeFilters[4], 16,
Width(), Height()));
for (int x = 0; x < (Width() > 4 ? 8 : 4); ++x) {
ASSERT_EQ(in[4], out[x]) << "x == " << x;
for (int x = 0; x < Width(); ++x) {
if (x < 8)
ASSERT_EQ(in[4], out[x]) << "x == " << x;
else
ASSERT_EQ(in[12], out[x]) << "x == " << x;
}
REGISTER_STATE_CHECK(UUT_->v8_(in, kInputStride, out, kOutputStride,
filters[4], 16, filters[0], 17,
kChangeFilters[4], 16, kChangeFilters[8], 17,
Width(), Height()));
for (int y = 0; y < (Height() > 4 ? 8 : 4); ++y) {
ASSERT_EQ(in[4 * kInputStride], out[y * kOutputStride]) << "y == " << y;
for (int y = 0; y < Height(); ++y) {
if (y < 8)
ASSERT_EQ(in[4 * kInputStride], out[y * kOutputStride]) << "y == " << y;
else
ASSERT_EQ(in[12 * kInputStride], out[y * kOutputStride]) << "y == " << y;
}
REGISTER_STATE_CHECK(UUT_->hv8_(in, kInputStride, out, kOutputStride,
filters[0], 17, filters[0], 17,
kChangeFilters[8], 17, kChangeFilters[8], 17,
Width(), Height()));
for (int y = 0; y < (Height() > 4 ? 8 : 4); ++y) {
for (int x = 0; x < (Width() > 4 ? 8 : 4); ++x) {
ASSERT_EQ(in[4 * kInputStride + 4], out[y * kOutputStride + x])
for (int y = 0; y < Height(); ++y) {
for (int x = 0; x < Width(); ++x) {
const int ref_x = x < 8 ? 4 : 12;
const int ref_y = y < 8 ? 4 : 12;
ASSERT_EQ(in[ref_y * kInputStride + ref_x], out[y * kOutputStride + x])
<< "x == " << x << ", y == " << y;
}
}
......
vp9/common/vp9_convolve.c
View file @ d8e68bd1
......@@ -19,7 +19,6 @@
#define VP9_FILTER_WEIGHT 128
#define VP9_FILTER_SHIFT 7
#define ALIGN_FILTERS_256 0
/* Assume a bank of 16 filters to choose from. There are two implementations
* for filter wrapping behavior, since we want to be able to pick which filter
......@@ -34,8 +33,11 @@
* always 256 byte aligned.
*
* Implementations 2 and 3 are likely preferable, as they avoid an extra 2
* parameters, and switching between them is trivial.
* parameters, and switching between them is trivial, with the
* ALIGN_FILTERS_256 macro, below.
*/
#define ALIGN_FILTERS_256 1
static void convolve_horiz_c(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const int16_t *filter_x0, int x_step_q4,
......@@ -56,11 +58,12 @@ static void convolve_horiz_c(const uint8_t *src, int src_stride,
const int16_t *filter_x = filter_x0;
/* Initial phase offset */
int x_q4 = (filter_x - filter_x_base) / taps;
int x0_q4 = (filter_x - filter_x_base) / taps;
int x_q4 = x0_q4;
for (x = 0; x < w; ++x) {
/* Per-pixel src offset */
int src_x = x_q4 >> 4;
int src_x = (x_q4 - x0_q4) >> 4;
for (sum = 0, k = 0; k < taps; ++k) {
sum += src[src_x + k] * filter_x[k];
......@@ -97,11 +100,12 @@ static void convolve_avg_horiz_c(const uint8_t *src, int src_stride,
const int16_t *filter_x = filter_x0;
/* Initial phase offset */
int x_q4 = (filter_x - filter_x_base) / taps;
int x0_q4 = (filter_x - filter_x_base) / taps;
int x_q4 = x0_q4;
for (x = 0; x < w; ++x) {
/* Per-pixel src offset */
int src_x = x_q4 >> 4;
int src_x = (x_q4 - x0_q4) >> 4;
for (sum = 0, k = 0; k < taps; ++k) {
sum += src[src_x + k] * filter_x[k];
......@@ -138,11 +142,12 @@ static void convolve_vert_c(const uint8_t *src, int src_stride,
const int16_t *filter_y = filter_y0;
/* Initial phase offset */
int y_q4 = (filter_y - filter_y_base) / taps;
int y0_q4 = (filter_y - filter_y_base) / taps;
int y_q4 = y0_q4;
for (y = 0; y < h; ++y) {
/* Per-pixel src offset */
int src_y = y_q4 >> 4;
int src_y = (y_q4 - y0_q4) >> 4;
for (sum = 0, k = 0; k < taps; ++k) {
sum += src[(src_y + k) * src_stride] * filter_y[k];
......@@ -179,11 +184,12 @@ static void convolve_avg_vert_c(const uint8_t *src, int src_stride,
const int16_t *filter_y = filter_y0;
/* Initial phase offset */
int y_q4 = (filter_y - filter_y_base) / taps;
int y0_q4 = (filter_y - filter_y_base) / taps;
int y_q4 = y0_q4;
for (y = 0; y < h; ++y) {
/* Per-pixel src offset */
int src_y = y_q4 >> 4;
int src_y = (y_q4 - y0_q4) >> 4;
for (sum = 0, k = 0; k < taps; ++k) {
sum += src[(src_y + k) * src_stride] * filter_y[k];
......
vp9/common/vp9_filter.c
View file @ d8e68bd1
......@@ -15,26 +15,7 @@
#include "vp9_rtcd.h"
#include "vp9/common/vp9_common.h"
/* TODO(jkoleszar): We can avoid duplicating these tables 2X by forcing 256
* byte alignment of the table's base address.
*/
DECLARE_ALIGNED(16, const int16_t, vp9_bilinear_filters[SUBPEL_SHIFTS*2][8]) = {
{ 0, 0, 0, 128, 0, 0, 0, 0 },
{ 0, 0, 0, 120, 8, 0, 0, 0 },
{ 0, 0, 0, 112, 16, 0, 0, 0 },
{ 0, 0, 0, 104, 24, 0, 0, 0 },
{ 0, 0, 0, 96, 32, 0, 0, 0 },
{ 0, 0, 0, 88, 40, 0, 0, 0 },
{ 0, 0, 0, 80, 48, 0, 0, 0 },
{ 0, 0, 0, 72, 56, 0, 0, 0 },
{ 0, 0, 0, 64, 64, 0, 0, 0 },
{ 0, 0, 0, 56, 72, 0, 0, 0 },
{ 0, 0, 0, 48, 80, 0, 0, 0 },
{ 0, 0, 0, 40, 88, 0, 0, 0 },
{ 0, 0, 0, 32, 96, 0, 0, 0 },
{ 0, 0, 0, 24, 104, 0, 0, 0 },
{ 0, 0, 0, 16, 112, 0, 0, 0 },
{ 0, 0, 0, 8, 120, 0, 0, 0 },
DECLARE_ALIGNED(256, const int16_t, vp9_bilinear_filters[SUBPEL_SHIFTS][8]) = {
{ 0, 0, 0, 128, 0, 0, 0, 0 },
{ 0, 0, 0, 120, 8, 0, 0, 0 },
{ 0, 0, 0, 112, 16, 0, 0, 0 },
......@@ -55,7 +36,7 @@ DECLARE_ALIGNED(16, const int16_t, vp9_bilinear_filters[SUBPEL_SHIFTS*2][8]) = {
#define FILTER_ALPHA 0
#define FILTER_ALPHA_SHARP 1
DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_8[SUBPEL_SHIFTS*2][8])
DECLARE_ALIGNED(256, const int16_t, vp9_sub_pel_filters_8[SUBPEL_SHIFTS][8])
= {
#if FILTER_ALPHA == 0
/* Lagrangian interpolation filter */
......@@ -74,23 +55,8 @@ DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_8[SUBPEL_SHIFTS*2][8])
{ -1, 4, -11, 37, 112, -16, 4, -1},
{ -1, 3, -9, 27, 118, -13, 4, -1},
{ 0, 2, -6, 18, 122, -10, 3, -1},
{ 0, 1, -3, 8, 126, -5, 1, 0},
{ 0, 0, 0, 128, 0, 0, 0, 0},
{ 0, 1, -5, 126, 8, -3, 1, 0},
{ -1, 3, -10, 122, 18, -6, 2, 0},
{ -1, 4, -13, 118, 27, -9, 3, -1},
{ -1, 4, -16, 112, 37, -11, 4, -1},
{ -1, 5, -18, 105, 48, -14, 4, -1},
{ -1, 5, -19, 97, 58, -16, 5, -1},
{ -1, 6, -19, 88, 68, -18, 5, -1},
{ -1, 6, -19, 78, 78, -19, 6, -1},
{ -1, 5, -18, 68, 88, -19, 6, -1},
{ -1, 5, -16, 58, 97, -19, 5, -1},
{ -1, 4, -14, 48, 105, -18, 5, -1},
{ -1, 4, -11, 37, 112, -16, 4, -1},
{ -1, 3, -9, 27, 118, -13, 4, -1},
{ 0, 2, -6, 18, 122, -10, 3, -1},
{ 0, 1, -3, 8, 126, -5, 1, 0}
#elif FILTER_ALPHA == 50
/* Generated using MATLAB:
* alpha = 0.5;
......@@ -118,7 +84,7 @@ DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_8[SUBPEL_SHIFTS*2][8])
#endif /* FILTER_ALPHA */
};
DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_8s[SUBPEL_SHIFTS*2][8])
DECLARE_ALIGNED(256, const int16_t, vp9_sub_pel_filters_8s[SUBPEL_SHIFTS][8])
= {
#if FILTER_ALPHA_SHARP == 1
/* dct based filter */
......@@ -137,23 +103,8 @@ DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_8s[SUBPEL_SHIFTS*2][8])
{-2, 6, -13, 37, 115, -20, 9, -4},
{-2, 5, -10, 27, 121, -17, 7, -3},
{-1, 3, -6, 17, 125, -13, 5, -2},
{0, 1, -3, 8, 127, -7, 3, -1},
{0, 0, 0, 128, 0, 0, 0, 0},
{-1, 3, -7, 127, 8, -3, 1, 0},
{-2, 5, -13, 125, 17, -6, 3, -1},
{-3, 7, -17, 121, 27, -10, 5, -2},
{-4, 9, -20, 115, 37, -13, 6, -2},
{-4, 10, -23, 108, 48, -16, 8, -3},
{-4, 10, -24, 100, 59, -19, 9, -3},
{-4, 11, -24, 90, 70, -21, 10, -4},
{-4, 11, -23, 80, 80, -23, 11, -4},
{-4, 10, -21, 70, 90, -24, 11, -4},
{-3, 9, -19, 59, 100, -24, 10, -4},
{-3, 8, -16, 48, 108, -23, 10, -4},
{-2, 6, -13, 37, 115, -20, 9, -4},
{-2, 5, -10, 27, 121, -17, 7, -3},
{-1, 3, -6, 17, 125, -13, 5, -2},
{0, 1, -3, 8, 127, -7, 3, -1}
#elif FILTER_ALPHA_SHARP == 75
/* alpha = 0.75 */
{0, 0, 0, 128, 0, 0, 0, 0},
......@@ -175,8 +126,8 @@ DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_8s[SUBPEL_SHIFTS*2][8])
#endif /* FILTER_ALPHA_SHARP */
};
DECLARE_ALIGNED(16, const int16_t,
vp9_sub_pel_filters_8lp[SUBPEL_SHIFTS*2][8]) = {
DECLARE_ALIGNED(256, const int16_t,
vp9_sub_pel_filters_8lp[SUBPEL_SHIFTS][8]) = {
/* 8-tap lowpass filter */
/* Hamming window */
{-1, -7, 32, 80, 32, -7, -1, 0},
......@@ -194,26 +145,10 @@ DECLARE_ALIGNED(16, const int16_t,
{ 1, -3, -4, 50, 76, 16, -8, 0},
{ 1, -3, -5, 45, 78, 20, -8, 0},
{ 1, -2, -7, 41, 79, 24, -8, 0},
{ 1, -2, -7, 37, 80, 28, -8, -1},
{-1, -7, 32, 80, 32, -7, -1, 0},
{-1, -8, 28, 80, 37, -7, -2, 1},
{ 0, -8, 24, 79, 41, -7, -2, 1},
{ 0, -8, 20, 78, 45, -5, -3, 1},
{ 0, -8, 16, 76, 50, -4, -3, 1},
{ 0, -7, 13, 74, 54, -3, -4, 1},
{ 1, -7, 9, 71, 58, -1, -4, 1},
{ 1, -6, 6, 68, 62, 1, -5, 1},
{ 1, -6, 4, 65, 65, 4, -6, 1},
{ 1, -5, 1, 62, 68, 6, -6, 1},
{ 1, -4, -1, 58, 71, 9, -7, 1},
{ 1, -4, -3, 54, 74, 13, -7, 0},
{ 1, -3, -4, 50, 76, 16, -8, 0},
{ 1, -3, -5, 45, 78, 20, -8, 0},
{ 1, -2, -7, 41, 79, 24, -8, 0},
{ 1, -2, -7, 37, 80, 28, -8, -1}
};
DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_6[SUBPEL_SHIFTS*2][8])
DECLARE_ALIGNED(256, const int16_t, vp9_sub_pel_filters_6[SUBPEL_SHIFTS][8])
= {
{0, 0, 0, 128, 0, 0, 0, 0},
{0, 1, -5, 125, 8, -2, 1, 0},
......@@ -230,21 +165,5 @@ DECLARE_ALIGNED(16, const int16_t, vp9_sub_pel_filters_6[SUBPEL_SHIFTS*2][8])
{0, 2, -10, 37, 110, -14, 3, 0},
{0, 2, -8, 27, 116, -11, 2, 0},
{0, 1, -5, 17, 122, -8, 1, 0},
{0, 1, -2, 8, 125, -5, 1, 0},
{0, 0, 0, 128, 0, 0, 0, 0},
{0, 1, -5, 125, 8, -2, 1, 0},
{0, 1, -8, 122, 17, -5, 1, 0},
{0, 2, -11, 116, 27, -8, 2, 0},
{0, 3, -14, 110, 37, -10, 2, 0},
{0, 3, -15, 103, 47, -12, 2, 0},
{0, 3, -16, 95, 57, -14, 3, 0},
{0, 3, -16, 86, 67, -15, 3, 0},
{0, 3, -16, 77, 77, -16, 3, 0},
{0, 3, -15, 67, 86, -16, 3, 0},
{0, 3, -14, 57, 95, -16, 3, 0},
{0, 2, -12, 47, 103, -15, 3, 0},
{0, 2, -10, 37, 110, -14, 3, 0},
{0, 2, -8, 27, 116, -11, 2, 0},
{0, 1, -5, 17, 122, -8, 1, 0},
{0, 1, -2, 8, 125, -5, 1, 0}
};
vp9/common/vp9_filter.h
View file @ d8e68bd1
......@@ -21,11 +21,11 @@
#define SUBPEL_SHIFTS 16
extern const int16_t vp9_bilinear_filters[SUBPEL_SHIFTS*2][8];
extern const int16_t vp9_sub_pel_filters_6[SUBPEL_SHIFTS*2][8];
extern const int16_t vp9_sub_pel_filters_8[SUBPEL_SHIFTS*2][8];
extern const int16_t vp9_sub_pel_filters_8s[SUBPEL_SHIFTS*2][8];
extern const int16_t vp9_sub_pel_filters_8lp[SUBPEL_SHIFTS*2][8];
extern const int16_t vp9_bilinear_filters[SUBPEL_SHIFTS][8];
extern const int16_t vp9_sub_pel_filters_6[SUBPEL_SHIFTS][8];
extern const int16_t vp9_sub_pel_filters_8[SUBPEL_SHIFTS][8];
extern const int16_t vp9_sub_pel_filters_8s[SUBPEL_SHIFTS][8];
extern const int16_t vp9_sub_pel_filters_8lp[SUBPEL_SHIFTS][8];
// The VP9_BILINEAR_FILTERS_2TAP macro returns a pointer to the bilinear
// filter kernel as a 2 tap filter.
......
vp9/common/vp9_reconinter.c
View file @ d8e68bd1
......@@ -128,6 +128,7 @@ void vp9_setup_interp_filters(MACROBLOCKD *xd,
break;
#endif
}
assert(((intptr_t)xd->subpix.filter_x & 0xff) == 0);
}
void vp9_copy_mem16x16_c(const uint8_t *src,
......@@ -314,12 +315,15 @@ void vp9_build_inter_predictor_q4(const uint8_t *src, int src_stride,
}
static void build_2x1_inter_predictor(const BLOCKD *d0, const BLOCKD *d1,
const struct scale_factors *scale,
struct scale_factors *scale,
int block_size, int stride, int which_mv,
const struct subpix_fn_table *subpix) {
const struct subpix_fn_table *subpix,
int row, int col) {
assert(d1->predictor - d0->predictor == block_size);
assert(d1->pre == d0->pre + block_size);
set_scaled_offsets(&scale[which_mv], row, col);
if (d0->bmi.as_mv[which_mv].as_int == d1->bmi.as_mv[which_mv].as_int) {
uint8_t **base_pre = which_mv ? d0->base_second_pre : d0->base_pre;
......@@ -342,6 +346,9 @@ static void build_2x1_inter_predictor(const BLOCKD *d0, const BLOCKD *d1,
&scale[which_mv],
block_size, block_size, which_mv,
subpix);
set_scaled_offsets(&scale[which_mv], row, col + block_size);
vp9_build_inter_predictor(*base_pre1 + d1->pre,
d1->pre_stride,
d1->predictor, stride,
......@@ -441,11 +448,8 @@ void vp9_build_inter4x4_predictors_mbuv(MACROBLOCKD *xd,
BLOCKD *d1 = &blockd[i + 1];
for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) {
set_scaled_offsets(&xd->scale_factor_uv[which_mv],
mb_row * 8 + y, mb_col * 8 + x);
build_2x1_inter_predictor(d0, d1, xd->scale_factor_uv, 4, 8, which_mv,
&xd->subpix);
&xd->subpix, mb_row * 8 + y, mb_col * 8 + x);
}
}
}
......@@ -747,7 +751,8 @@ void vp9_build_inter64x64_predictors_sb(MACROBLOCKD *x,
#endif
}
static void build_inter4x4_predictors_mb(MACROBLOCKD *xd) {
static void build_inter4x4_predictors_mb(MACROBLOCKD *xd,
int mb_row, int mb_col) {
int i;
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
BLOCKD *blockd = xd->block;
......@@ -758,6 +763,7 @@ static void build_inter4x4_predictors_mb(MACROBLOCKD *xd) {
for (i = 0; i < 16; i += 8) {
BLOCKD *d0 = &blockd[i];
BLOCKD *d1 = &blockd[i + 2];
const int y = i & 8;
blockd[i + 0].bmi = xd->mode_info_context->bmi[i + 0];
blockd[i + 2].bmi = xd->mode_info_context->bmi[i + 2];
......@@ -768,44 +774,25 @@ static void build_inter4x4_predictors_mb(MACROBLOCKD *xd) {
clamp_mv_to_umv_border(&blockd[i + 2].bmi.as_mv[which_mv].as_mv, xd);
}
/* TODO(jkoleszar): Enabling this for EIGHTTAP_SMOOTH changes the
* result slightly, for reasons that are not immediately obvious to me.
* It probably makes sense to enable this for all filter types to be
* consistent with the way we do 8x4 below. Leaving disabled for now.
*/
if (mbmi->interp_filter != EIGHTTAP_SMOOTH) {
build_2x1_inter_predictor(d0, d1, xd->scale_factor, 8, 16,
which_mv, &xd->subpix);
} else {
uint8_t **base_pre0 = which_mv ? d0->base_second_pre : d0->base_pre;
uint8_t **base_pre1 = which_mv ? d1->base_second_pre : d1->base_pre;
vp9_build_inter_predictor(*base_pre0 + d0->pre,
d0->pre_stride,
d0->predictor, 16,
&d0->bmi.as_mv[which_mv],
&xd->scale_factor[which_mv],
8, 8, which_mv, &xd->subpix);
vp9_build_inter_predictor(*base_pre1 + d1->pre,
d1->pre_stride,
d1->predictor, 16,
&d1->bmi.as_mv[which_mv],
&xd->scale_factor[which_mv],
8, 8, which_mv, &xd->subpix);
}
build_2x1_inter_predictor(d0, d1, xd->scale_factor, 8, 16,
which_mv, &xd->subpix,
mb_row * 16 + y, mb_col * 16);
}
}
} else {
for (i = 0; i < 16; i += 2) {
BLOCKD *d0 = &blockd[i];
BLOCKD *d1 = &blockd[i + 1];
const int x = (i & 3) * 4;
const int y = (i >> 2) * 4;
blockd[i + 0].bmi = xd->mode_info_context->bmi[i + 0];
blockd[i + 1].bmi = xd->mode_info_context->bmi[i + 1];
for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) {
build_2x1_inter_predictor(d0, d1, xd->scale_factor, 4, 16,
which_mv, &xd->subpix);
which_mv, &xd->subpix,
mb_row * 16 + y, mb_col * 16 + x);
}
}
}
......@@ -813,10 +800,13 @@ static void build_inter4x4_predictors_mb(MACROBLOCKD *xd) {
for (i = 16; i < 24; i += 2) {
BLOCKD *d0 = &blockd[i];
BLOCKD *d1 = &blockd[i + 1];
const int x = 4 * (i & 1);
const int y = ((i - 16) >> 1) * 4;
for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) {
build_2x1_inter_predictor(d0, d1, xd->scale_factor_uv, 4, 8,
which_mv, &xd->subpix);
which_mv, &xd->subpix,
mb_row * 8 + y, mb_col * 8 + x);
}
}
}
......@@ -945,6 +935,6 @@ void vp9_build_inter_predictors_mb(MACROBLOCKD *xd,
#endif
} else {
build_4x4uvmvs(xd);
build_inter4x4_predictors_mb(xd);
build_inter4x4_predictors_mb(xd, mb_row, mb_col);
}
}
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