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vpx/vp9/common/vp9_reconinter.c
John Koleszar 7ca517f755 Replace as_mv struct with array 
Replace as_mv.{first, second} with a two element array, so that they
can easily be processed with an index variable.

Change-Id: I1e429155544d2a94a5b72a5b467c53d8b8728190
2013-02-08 20:23:35 -08:00

911 lines
31 KiB
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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_filter.h"
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_reconintra.h"
void vp9_setup_interp_filters(MACROBLOCKD *xd,
INTERPOLATIONFILTERTYPE mcomp_filter_type,
VP9_COMMON *cm) {
// TODO(agrange): Investigate the best choice of functions to use here
// for EIGHTTAP_SMOOTH. Since it is not interpolating, need to choose what
// to do at full-pel offsets. The current selection, where the filter is
// applied in one direction only, and not at all for 0,0, seems to give the
// best quality, but it may be worth trying an additional mode that does
// do the filtering on full-pel.
xd->subpix.predict[0][0][0] = vp9_convolve_copy;
xd->subpix.predict[0][0][1] = vp9_convolve_avg;
xd->subpix.predict[0][1][0] = vp9_convolve8_vert;
xd->subpix.predict[0][1][1] = vp9_convolve8_avg_vert;
xd->subpix.predict[1][0][0] = vp9_convolve8_horiz;
xd->subpix.predict[1][0][1] = vp9_convolve8_avg_horiz;
xd->subpix.predict[1][1][0] = vp9_convolve8;
xd->subpix.predict[1][1][1] = vp9_convolve8_avg;
xd->subpix.x_step_q4 = 16;
xd->subpix.y_step_q4 = 16;
switch (mcomp_filter_type) {
case EIGHTTAP:
case SWITCHABLE:
xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_8;
break;
case EIGHTTAP_SMOOTH:
xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_8lp;
break;
case EIGHTTAP_SHARP:
xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_8s;
break;
case BILINEAR:
xd->subpix.filter_x = xd->subpix.filter_y = vp9_bilinear_filters;
break;
#if CONFIG_ENABLE_6TAP
case SIXTAP:
xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_6;
break;
#endif
}
}
void vp9_copy_mem16x16_c(const uint8_t *src,
int src_stride,
uint8_t *dst,
int dst_stride) {
int r;
for (r = 0; r < 16; r++) {
#if !(CONFIG_FAST_UNALIGNED)
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
dst[8] = src[8];
dst[9] = src[9];
dst[10] = src[10];
dst[11] = src[11];
dst[12] = src[12];
dst[13] = src[13];
dst[14] = src[14];
dst[15] = src[15];
#else
((uint32_t *)dst)[0] = ((const uint32_t *)src)[0];
((uint32_t *)dst)[1] = ((const uint32_t *)src)[1];
((uint32_t *)dst)[2] = ((const uint32_t *)src)[2];
((uint32_t *)dst)[3] = ((const uint32_t *)src)[3];
#endif
src += src_stride;
dst += dst_stride;
}
}
void vp9_copy_mem8x8_c(const uint8_t *src,
int src_stride,
uint8_t *dst,
int dst_stride) {
int r;
for (r = 0; r < 8; r++) {
#if !(CONFIG_FAST_UNALIGNED)
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
#else
((uint32_t *)dst)[0] = ((const uint32_t *)src)[0];
((uint32_t *)dst)[1] = ((const uint32_t *)src)[1];
#endif
src += src_stride;
dst += dst_stride;
}
}
void vp9_copy_mem8x4_c(const uint8_t *src,
int src_stride,
uint8_t *dst,
int dst_stride) {
int r;
for (r = 0; r < 4; r++) {
#if !(CONFIG_FAST_UNALIGNED)
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
#else
((uint32_t *)dst)[0] = ((const uint32_t *)src)[0];
((uint32_t *)dst)[1] = ((const uint32_t *)src)[1];
#endif
src += src_stride;
dst += dst_stride;
}
}
void vp9_build_inter_predictors_b(BLOCKD *d, int pitch,
struct subpix_fn_table *subpix) {
uint8_t *ptr_base;
uint8_t *ptr;
uint8_t *pred_ptr = d->predictor;
int_mv mv;
ptr_base = *(d->base_pre);
mv.as_int = d->bmi.as_mv[0].as_int;
ptr = ptr_base + d->pre + (mv.as_mv.row >> 3) * d->pre_stride +
(mv.as_mv.col >> 3);
subpix->predict[!!(mv.as_mv.col & 7)][!!(mv.as_mv.row & 7)][0](
ptr, d->pre_stride, pred_ptr, pitch,
subpix->filter_x[(mv.as_mv.col & 7) << 1], subpix->x_step_q4,
subpix->filter_y[(mv.as_mv.row & 7) << 1], subpix->y_step_q4,
4, 4);
}
/*
* Similar to vp9_build_inter_predictors_b(), but instead of storing the
* results in d->predictor, we average the contents of d->predictor (which
* come from an earlier call to vp9_build_inter_predictors_b()) with the
* predictor of the second reference frame / motion vector.
*/
void vp9_build_2nd_inter_predictors_b(BLOCKD *d, int pitch,
struct subpix_fn_table *subpix) {
uint8_t *ptr_base;
uint8_t *ptr;
uint8_t *pred_ptr = d->predictor;
int_mv mv;
ptr_base = *(d->base_second_pre);
mv.as_int = d->bmi.as_mv[1].as_int;
ptr = ptr_base + d->pre + (mv.as_mv.row >> 3) * d->pre_stride +
(mv.as_mv.col >> 3);
subpix->predict[!!(mv.as_mv.col & 7)][!!(mv.as_mv.row & 7)][1](
ptr, d->pre_stride, pred_ptr, pitch,
subpix->filter_x[(mv.as_mv.col & 7) << 1], subpix->x_step_q4,
subpix->filter_y[(mv.as_mv.row & 7) << 1], subpix->y_step_q4,
4, 4);
}
void vp9_build_inter_predictors4b(MACROBLOCKD *xd, BLOCKD *d, int pitch) {
uint8_t *ptr_base;
uint8_t *ptr;
uint8_t *pred_ptr = d->predictor;
int_mv mv;
ptr_base = *(d->base_pre);
mv.as_int = d->bmi.as_mv[0].as_int;
ptr = ptr_base + d->pre + (mv.as_mv.row >> 3) * d->pre_stride +
(mv.as_mv.col >> 3);
xd->subpix.predict[!!(mv.as_mv.col & 7)][!!(mv.as_mv.row & 7)][0](
ptr, d->pre_stride, pred_ptr, pitch,
xd->subpix.filter_x[(mv.as_mv.col & 7) << 1], xd->subpix.x_step_q4,
xd->subpix.filter_y[(mv.as_mv.row & 7) << 1], xd->subpix.y_step_q4,
8, 8);
}
/*
* Similar to build_inter_predictors_4b(), but instead of storing the
* results in d->predictor, we average the contents of d->predictor (which
* come from an earlier call to build_inter_predictors_4b()) with the
* predictor of the second reference frame / motion vector.
*/
void vp9_build_2nd_inter_predictors4b(MACROBLOCKD *xd,
BLOCKD *d, int pitch) {
uint8_t *ptr_base;
uint8_t *ptr;
uint8_t *pred_ptr = d->predictor;
int_mv mv;
ptr_base = *(d->base_second_pre);
mv.as_int = d->bmi.as_mv[1].as_int;
ptr = ptr_base + d->pre + (mv.as_mv.row >> 3) * d->pre_stride +
(mv.as_mv.col >> 3);
xd->subpix.predict[!!(mv.as_mv.col & 7)][!!(mv.as_mv.row & 7)][1](
ptr, d->pre_stride, pred_ptr, pitch,
xd->subpix.filter_x[(mv.as_mv.col & 7) << 1], xd->subpix.x_step_q4,
xd->subpix.filter_y[(mv.as_mv.row & 7) << 1], xd->subpix.y_step_q4,
8, 8);
}
static void build_inter_predictors2b(MACROBLOCKD *xd, BLOCKD *d, int pitch) {
uint8_t *ptr_base;
uint8_t *ptr;
uint8_t *pred_ptr = d->predictor;
int_mv mv;
ptr_base = *(d->base_pre);
mv.as_int = d->bmi.as_mv[0].as_int;
ptr = ptr_base + d->pre + (mv.as_mv.row >> 3) * d->pre_stride +
(mv.as_mv.col >> 3);
xd->subpix.predict[!!(mv.as_mv.col & 7)][!!(mv.as_mv.row & 7)][0](
ptr, d->pre_stride, pred_ptr, pitch,
xd->subpix.filter_x[(mv.as_mv.col & 7) << 1], xd->subpix.x_step_q4,
xd->subpix.filter_y[(mv.as_mv.row & 7) << 1], xd->subpix.y_step_q4,
8, 4);
}
/*encoder only*/
void vp9_build_inter4x4_predictors_mbuv(MACROBLOCKD *xd) {
int i, j;
BLOCKD *blockd = xd->block;
/* build uv mvs */
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
int yoffset = i * 8 + j * 2;
int uoffset = 16 + i * 2 + j;
int voffset = 20 + i * 2 + j;
int temp;
temp = blockd[yoffset ].bmi.as_mv[0].as_mv.row
+ blockd[yoffset + 1].bmi.as_mv[0].as_mv.row
+ blockd[yoffset + 4].bmi.as_mv[0].as_mv.row
+ blockd[yoffset + 5].bmi.as_mv[0].as_mv.row;
if (temp < 0) temp -= 4;
else temp += 4;
xd->block[uoffset].bmi.as_mv[0].as_mv.row = (temp / 8) &
xd->fullpixel_mask;
temp = blockd[yoffset ].bmi.as_mv[0].as_mv.col
+ blockd[yoffset + 1].bmi.as_mv[0].as_mv.col
+ blockd[yoffset + 4].bmi.as_mv[0].as_mv.col
+ blockd[yoffset + 5].bmi.as_mv[0].as_mv.col;
if (temp < 0) temp -= 4;
else temp += 4;
blockd[uoffset].bmi.as_mv[0].as_mv.col = (temp / 8) &
xd->fullpixel_mask;
blockd[voffset].bmi.as_mv[0].as_mv.row =
blockd[uoffset].bmi.as_mv[0].as_mv.row;
blockd[voffset].bmi.as_mv[0].as_mv.col =
blockd[uoffset].bmi.as_mv[0].as_mv.col;
if (xd->mode_info_context->mbmi.second_ref_frame > 0) {
temp = blockd[yoffset ].bmi.as_mv[1].as_mv.row
+ blockd[yoffset + 1].bmi.as_mv[1].as_mv.row
+ blockd[yoffset + 4].bmi.as_mv[1].as_mv.row
+ blockd[yoffset + 5].bmi.as_mv[1].as_mv.row;
if (temp < 0) {
temp -= 4;
} else {
temp += 4;
}
blockd[uoffset].bmi.as_mv[1].as_mv.row = (temp / 8) &
xd->fullpixel_mask;
temp = blockd[yoffset ].bmi.as_mv[1].as_mv.col
+ blockd[yoffset + 1].bmi.as_mv[1].as_mv.col
+ blockd[yoffset + 4].bmi.as_mv[1].as_mv.col
+ blockd[yoffset + 5].bmi.as_mv[1].as_mv.col;
if (temp < 0) {
temp -= 4;
} else {
temp += 4;
}
blockd[uoffset].bmi.as_mv[1].as_mv.col = (temp / 8) &
xd->fullpixel_mask;
blockd[voffset].bmi.as_mv[1].as_mv.row =
blockd[uoffset].bmi.as_mv[1].as_mv.row;
blockd[voffset].bmi.as_mv[1].as_mv.col =
blockd[uoffset].bmi.as_mv[1].as_mv.col;
}
}
}
for (i = 16; i < 24; i += 2) {
BLOCKD *d0 = &blockd[i];
BLOCKD *d1 = &blockd[i + 1];
if (d0->bmi.as_mv[0].as_int == d1->bmi.as_mv[0].as_int)
build_inter_predictors2b(xd, d0, 8);
else {
vp9_build_inter_predictors_b(d0, 8, &xd->subpix);
vp9_build_inter_predictors_b(d1, 8, &xd->subpix);
}
if (xd->mode_info_context->mbmi.second_ref_frame > 0) {
vp9_build_2nd_inter_predictors_b(d0, 8, &xd->subpix);
vp9_build_2nd_inter_predictors_b(d1, 8, &xd->subpix);
}
}
}
static void clamp_mv_to_umv_border(MV *mv, const MACROBLOCKD *xd) {
/* If the MV points so far into the UMV border that no visible pixels
* are used for reconstruction, the subpel part of the MV can be
* discarded and the MV limited to 16 pixels with equivalent results.
*
* This limit kicks in at 19 pixels for the top and left edges, for
* the 16 pixels plus 3 taps right of the central pixel when subpel
* filtering. The bottom and right edges use 16 pixels plus 2 pixels
* left of the central pixel when filtering.
*/
if (mv->col < (xd->mb_to_left_edge - ((16 + VP9_INTERP_EXTEND) << 3)))
mv->col = xd->mb_to_left_edge - (16 << 3);
else if (mv->col > xd->mb_to_right_edge + ((15 + VP9_INTERP_EXTEND) << 3))
mv->col = xd->mb_to_right_edge + (16 << 3);
if (mv->row < (xd->mb_to_top_edge - ((16 + VP9_INTERP_EXTEND) << 3)))
mv->row = xd->mb_to_top_edge - (16 << 3);
else if (mv->row > xd->mb_to_bottom_edge + ((15 + VP9_INTERP_EXTEND) << 3))
mv->row = xd->mb_to_bottom_edge + (16 << 3);
}
/* A version of the above function for chroma block MVs.*/
static void clamp_uvmv_to_umv_border(MV *mv, const MACROBLOCKD *xd) {
const int extend = VP9_INTERP_EXTEND;
mv->col = (2 * mv->col < (xd->mb_to_left_edge - ((16 + extend) << 3))) ?
(xd->mb_to_left_edge - (16 << 3)) >> 1 : mv->col;
mv->col = (2 * mv->col > xd->mb_to_right_edge + ((15 + extend) << 3)) ?
(xd->mb_to_right_edge + (16 << 3)) >> 1 : mv->col;
mv->row = (2 * mv->row < (xd->mb_to_top_edge - ((16 + extend) << 3))) ?
(xd->mb_to_top_edge - (16 << 3)) >> 1 : mv->row;
mv->row = (2 * mv->row > xd->mb_to_bottom_edge + ((15 + extend) << 3)) ?
(xd->mb_to_bottom_edge + (16 << 3)) >> 1 : mv->row;
}
/*encoder only*/
void vp9_build_1st_inter16x16_predictors_mby(MACROBLOCKD *xd,
uint8_t *dst_y,
int dst_ystride,
int clamp_mvs) {
uint8_t *ptr_base = xd->pre.y_buffer;
uint8_t *ptr;
int pre_stride = xd->block[0].pre_stride;
int_mv ymv;
ymv.as_int = xd->mode_info_context->mbmi.mv[0].as_int;
if (clamp_mvs)
clamp_mv_to_umv_border(&ymv.as_mv, xd);
ptr = ptr_base + (ymv.as_mv.row >> 3) * pre_stride + (ymv.as_mv.col >> 3);
xd->subpix.predict[!!(ymv.as_mv.col & 7)][!!(ymv.as_mv.row & 7)][0](
ptr, pre_stride, dst_y, dst_ystride,
xd->subpix.filter_x[(ymv.as_mv.col & 7) << 1], xd->subpix.x_step_q4,
xd->subpix.filter_y[(ymv.as_mv.row & 7) << 1], xd->subpix.y_step_q4,
16, 16);
}
void vp9_build_1st_inter16x16_predictors_mbuv(MACROBLOCKD *xd,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_uvstride) {
int offset;
uint8_t *uptr, *vptr;
int pre_stride = xd->block[0].pre_stride;
int_mv _o16x16mv;
int_mv _16x16mv;
_16x16mv.as_int = xd->mode_info_context->mbmi.mv[0].as_int;
if (xd->mode_info_context->mbmi.need_to_clamp_mvs)
clamp_mv_to_umv_border(&_16x16mv.as_mv, xd);
_o16x16mv = _16x16mv;
/* calc uv motion vectors */
if (_16x16mv.as_mv.row < 0)
_16x16mv.as_mv.row -= 1;
else
_16x16mv.as_mv.row += 1;
if (_16x16mv.as_mv.col < 0)
_16x16mv.as_mv.col -= 1;
else
_16x16mv.as_mv.col += 1;
_16x16mv.as_mv.row /= 2;
_16x16mv.as_mv.col /= 2;
_16x16mv.as_mv.row &= xd->fullpixel_mask;
_16x16mv.as_mv.col &= xd->fullpixel_mask;
pre_stride >>= 1;
offset = (_16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
uptr = xd->pre.u_buffer + offset;
vptr = xd->pre.v_buffer + offset;
xd->subpix.predict[!!(_o16x16mv.as_mv.col & 15)]
[!!(_o16x16mv.as_mv.row & 15)][0](
uptr, pre_stride, dst_u, dst_uvstride,
xd->subpix.filter_x[_o16x16mv.as_mv.col & 15], xd->subpix.x_step_q4,
xd->subpix.filter_y[_o16x16mv.as_mv.row & 15], xd->subpix.y_step_q4,
8, 8);
xd->subpix.predict[!!(_o16x16mv.as_mv.col & 15)]
[!!(_o16x16mv.as_mv.row & 15)][0](
vptr, pre_stride, dst_v, dst_uvstride,
xd->subpix.filter_x[_o16x16mv.as_mv.col & 15], xd->subpix.x_step_q4,
xd->subpix.filter_y[_o16x16mv.as_mv.row & 15], xd->subpix.y_step_q4,
8, 8);
}
void vp9_build_1st_inter16x16_predictors_mb(MACROBLOCKD *xd,
uint8_t *dst_y,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_ystride, int dst_uvstride) {
vp9_build_1st_inter16x16_predictors_mby(xd, dst_y, dst_ystride,
xd->mode_info_context->mbmi.need_to_clamp_mvs);
vp9_build_1st_inter16x16_predictors_mbuv(xd, dst_u, dst_v, dst_uvstride);
}
void vp9_build_inter32x32_predictors_sb(MACROBLOCKD *x,
uint8_t *dst_y,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_ystride,
int dst_uvstride) {
uint8_t *y1 = x->pre.y_buffer, *u1 = x->pre.u_buffer, *v1 = x->pre.v_buffer;
uint8_t *y2 = x->second_pre.y_buffer, *u2 = x->second_pre.u_buffer,
*v2 = x->second_pre.v_buffer;
int edge[4], n;
edge[0] = x->mb_to_top_edge;
edge[1] = x->mb_to_bottom_edge;
edge[2] = x->mb_to_left_edge;
edge[3] = x->mb_to_right_edge;
for (n = 0; n < 4; n++) {
const int x_idx = n & 1, y_idx = n >> 1;
x->mb_to_top_edge = edge[0] - ((y_idx * 16) << 3);
x->mb_to_bottom_edge = edge[1] + (((1 - y_idx) * 16) << 3);
x->mb_to_left_edge = edge[2] - ((x_idx * 16) << 3);
x->mb_to_right_edge = edge[3] + (((1 - x_idx) * 16) << 3);
x->pre.y_buffer = y1 + y_idx * 16 * x->pre.y_stride + x_idx * 16;
x->pre.u_buffer = u1 + y_idx * 8 * x->pre.uv_stride + x_idx * 8;
x->pre.v_buffer = v1 + y_idx * 8 * x->pre.uv_stride + x_idx * 8;
vp9_build_1st_inter16x16_predictors_mb(x,
dst_y + y_idx * 16 * dst_ystride + x_idx * 16,
dst_u + y_idx * 8 * dst_uvstride + x_idx * 8,
dst_v + y_idx * 8 * dst_uvstride + x_idx * 8,
dst_ystride, dst_uvstride);
if (x->mode_info_context->mbmi.second_ref_frame > 0) {
x->second_pre.y_buffer = y2 + y_idx * 16 * x->pre.y_stride + x_idx * 16;
x->second_pre.u_buffer = u2 + y_idx * 8 * x->pre.uv_stride + x_idx * 8;
x->second_pre.v_buffer = v2 + y_idx * 8 * x->pre.uv_stride + x_idx * 8;
vp9_build_2nd_inter16x16_predictors_mb(x,
dst_y + y_idx * 16 * dst_ystride + x_idx * 16,
dst_u + y_idx * 8 * dst_uvstride + x_idx * 8,
dst_v + y_idx * 8 * dst_uvstride + x_idx * 8,
dst_ystride, dst_uvstride);
}
}
x->mb_to_top_edge = edge[0];
x->mb_to_bottom_edge = edge[1];
x->mb_to_left_edge = edge[2];
x->mb_to_right_edge = edge[3];
x->pre.y_buffer = y1;
x->pre.u_buffer = u1;
x->pre.v_buffer = v1;
if (x->mode_info_context->mbmi.second_ref_frame > 0) {
x->second_pre.y_buffer = y2;
x->second_pre.u_buffer = u2;
x->second_pre.v_buffer = v2;
}
#if CONFIG_COMP_INTERINTRA_PRED
if (x->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME) {
vp9_build_interintra_32x32_predictors_sb(
x, dst_y, dst_u, dst_v, dst_ystride, dst_uvstride);
}
#endif
}
void vp9_build_inter64x64_predictors_sb(MACROBLOCKD *x,
uint8_t *dst_y,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_ystride,
int dst_uvstride) {
uint8_t *y1 = x->pre.y_buffer, *u1 = x->pre.u_buffer, *v1 = x->pre.v_buffer;
uint8_t *y2 = x->second_pre.y_buffer, *u2 = x->second_pre.u_buffer,
*v2 = x->second_pre.v_buffer;
int edge[4], n;
edge[0] = x->mb_to_top_edge;
edge[1] = x->mb_to_bottom_edge;
edge[2] = x->mb_to_left_edge;
edge[3] = x->mb_to_right_edge;
for (n = 0; n < 4; n++) {
const int x_idx = n & 1, y_idx = n >> 1;
x->mb_to_top_edge = edge[0] - ((y_idx * 32) << 3);
x->mb_to_bottom_edge = edge[1] + (((1 - y_idx) * 32) << 3);
x->mb_to_left_edge = edge[2] - ((x_idx * 32) << 3);
x->mb_to_right_edge = edge[3] + (((1 - x_idx) * 32) << 3);
x->pre.y_buffer = y1 + y_idx * 32 * x->pre.y_stride + x_idx * 32;
x->pre.u_buffer = u1 + y_idx * 16 * x->pre.uv_stride + x_idx * 16;
x->pre.v_buffer = v1 + y_idx * 16 * x->pre.uv_stride + x_idx * 16;
if (x->mode_info_context->mbmi.second_ref_frame > 0) {
x->second_pre.y_buffer = y2 + y_idx * 32 * x->pre.y_stride + x_idx * 32;
x->second_pre.u_buffer = u2 + y_idx * 16 * x->pre.uv_stride + x_idx * 16;
x->second_pre.v_buffer = v2 + y_idx * 16 * x->pre.uv_stride + x_idx * 16;
}
vp9_build_inter32x32_predictors_sb(x,
dst_y + y_idx * 32 * dst_ystride + x_idx * 32,
dst_u + y_idx * 16 * dst_uvstride + x_idx * 16,
dst_v + y_idx * 16 * dst_uvstride + x_idx * 16,
dst_ystride, dst_uvstride);
}
x->mb_to_top_edge = edge[0];
x->mb_to_bottom_edge = edge[1];
x->mb_to_left_edge = edge[2];
x->mb_to_right_edge = edge[3];
x->pre.y_buffer = y1;
x->pre.u_buffer = u1;
x->pre.v_buffer = v1;
if (x->mode_info_context->mbmi.second_ref_frame > 0) {
x->second_pre.y_buffer = y2;
x->second_pre.u_buffer = u2;
x->second_pre.v_buffer = v2;
}
#if CONFIG_COMP_INTERINTRA_PRED
if (x->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME) {
vp9_build_interintra_64x64_predictors_sb(x, dst_y, dst_u, dst_v,
dst_ystride, dst_uvstride);
}
#endif
}
/*
* The following functions should be called after an initial
* call to vp9_build_1st_inter16x16_predictors_mb() or _mby()/_mbuv().
* It will run a second filter on a (different) ref
* frame and average the result with the output of the
* first filter. The second reference frame is stored
* in x->second_pre (the reference frame index is in
* x->mode_info_context->mbmi.second_ref_frame). The second
* motion vector is x->mode_info_context->mbmi.second_mv.
*
* This allows blending prediction from two reference frames
* which sometimes leads to better prediction than from a
* single reference framer.
*/
void vp9_build_2nd_inter16x16_predictors_mby(MACROBLOCKD *xd,
uint8_t *dst_y,
int dst_ystride) {
uint8_t *ptr;
int_mv _16x16mv;
int mv_row;
int mv_col;
uint8_t *ptr_base = xd->second_pre.y_buffer;
int pre_stride = xd->block[0].pre_stride;
_16x16mv.as_int = xd->mode_info_context->mbmi.mv[1].as_int;
if (xd->mode_info_context->mbmi.need_to_clamp_secondmv)
clamp_mv_to_umv_border(&_16x16mv.as_mv, xd);
mv_row = _16x16mv.as_mv.row;
mv_col = _16x16mv.as_mv.col;
ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
xd->subpix.predict[!!(mv_col & 7)][!!(mv_row & 7)][1](
ptr, pre_stride, dst_y, dst_ystride,
xd->subpix.filter_x[(mv_col & 7) << 1], xd->subpix.x_step_q4,
xd->subpix.filter_y[(mv_row & 7) << 1], xd->subpix.y_step_q4,
16, 16);
}
void vp9_build_2nd_inter16x16_predictors_mbuv(MACROBLOCKD *xd,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_uvstride) {
int offset;
uint8_t *uptr, *vptr;
int_mv _16x16mv;
int mv_row;
int mv_col;
int omv_row, omv_col;
int pre_stride = xd->block[0].pre_stride;
_16x16mv.as_int = xd->mode_info_context->mbmi.mv[1].as_int;
if (xd->mode_info_context->mbmi.need_to_clamp_secondmv)
clamp_mv_to_umv_border(&_16x16mv.as_mv, xd);
mv_row = _16x16mv.as_mv.row;
mv_col = _16x16mv.as_mv.col;
/* calc uv motion vectors */
omv_row = mv_row;
omv_col = mv_col;
mv_row = (mv_row + (mv_row > 0)) >> 1;
mv_col = (mv_col + (mv_col > 0)) >> 1;
mv_row &= xd->fullpixel_mask;
mv_col &= xd->fullpixel_mask;
pre_stride >>= 1;
offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
uptr = xd->second_pre.u_buffer + offset;
vptr = xd->second_pre.v_buffer + offset;
xd->subpix.predict[!!(omv_col & 15)][!!(omv_row & 15)][1](
uptr, pre_stride, dst_u, dst_uvstride,
xd->subpix.filter_x[omv_col & 15], xd->subpix.x_step_q4,
xd->subpix.filter_y[omv_row & 15], xd->subpix.y_step_q4,
8, 8);
xd->subpix.predict[!!(omv_col & 15)][!!(omv_row & 15)][1](
vptr, pre_stride, dst_v, dst_uvstride,
xd->subpix.filter_x[omv_col & 15], xd->subpix.x_step_q4,
xd->subpix.filter_y[omv_row & 15], xd->subpix.y_step_q4,
8, 8);
}
void vp9_build_2nd_inter16x16_predictors_mb(MACROBLOCKD *xd,
uint8_t *dst_y,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_ystride,
int dst_uvstride) {
vp9_build_2nd_inter16x16_predictors_mby(xd, dst_y, dst_ystride);
vp9_build_2nd_inter16x16_predictors_mbuv(xd, dst_u, dst_v, dst_uvstride);
}
static void build_inter4x4_predictors_mb(MACROBLOCKD *xd) {
int i;
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
BLOCKD *blockd = xd->block;
if (xd->mode_info_context->mbmi.partitioning != PARTITIONING_4X4) {
blockd[ 0].bmi = xd->mode_info_context->bmi[ 0];
blockd[ 2].bmi = xd->mode_info_context->bmi[ 2];
blockd[ 8].bmi = xd->mode_info_context->bmi[ 8];
blockd[10].bmi = xd->mode_info_context->bmi[10];
if (mbmi->need_to_clamp_mvs) {
clamp_mv_to_umv_border(&blockd[ 0].bmi.as_mv[0].as_mv, xd);
clamp_mv_to_umv_border(&blockd[ 2].bmi.as_mv[0].as_mv, xd);
clamp_mv_to_umv_border(&blockd[ 8].bmi.as_mv[0].as_mv, xd);
clamp_mv_to_umv_border(&blockd[10].bmi.as_mv[0].as_mv, xd);
if (mbmi->second_ref_frame > 0) {
clamp_mv_to_umv_border(&blockd[ 0].bmi.as_mv[1].as_mv, xd);
clamp_mv_to_umv_border(&blockd[ 2].bmi.as_mv[1].as_mv, xd);
clamp_mv_to_umv_border(&blockd[ 8].bmi.as_mv[1].as_mv, xd);
clamp_mv_to_umv_border(&blockd[10].bmi.as_mv[1].as_mv, xd);
}
}
vp9_build_inter_predictors4b(xd, &blockd[ 0], 16);
vp9_build_inter_predictors4b(xd, &blockd[ 2], 16);
vp9_build_inter_predictors4b(xd, &blockd[ 8], 16);
vp9_build_inter_predictors4b(xd, &blockd[10], 16);
if (mbmi->second_ref_frame > 0) {
vp9_build_2nd_inter_predictors4b(xd, &blockd[ 0], 16);
vp9_build_2nd_inter_predictors4b(xd, &blockd[ 2], 16);
vp9_build_2nd_inter_predictors4b(xd, &blockd[ 8], 16);
vp9_build_2nd_inter_predictors4b(xd, &blockd[10], 16);
}
} else {
for (i = 0; i < 16; i += 2) {
BLOCKD *d0 = &blockd[i];
BLOCKD *d1 = &blockd[i + 1];
blockd[i + 0].bmi = xd->mode_info_context->bmi[i + 0];
blockd[i + 1].bmi = xd->mode_info_context->bmi[i + 1];
if (mbmi->need_to_clamp_mvs) {
clamp_mv_to_umv_border(&blockd[i + 0].bmi.as_mv[0].as_mv, xd);
clamp_mv_to_umv_border(&blockd[i + 1].bmi.as_mv[0].as_mv, xd);
if (mbmi->second_ref_frame > 0) {
clamp_mv_to_umv_border(&blockd[i + 0].bmi.as_mv[1].as_mv, xd);
clamp_mv_to_umv_border(&blockd[i + 1].bmi.as_mv[1].as_mv, xd);
}
}
if (d0->bmi.as_mv[0].as_int == d1->bmi.as_mv[0].as_int)
build_inter_predictors2b(xd, d0, 16);
else {
vp9_build_inter_predictors_b(d0, 16, &xd->subpix);
vp9_build_inter_predictors_b(d1, 16, &xd->subpix);
}
if (mbmi->second_ref_frame > 0) {
vp9_build_2nd_inter_predictors_b(d0, 16, &xd->subpix);
vp9_build_2nd_inter_predictors_b(d1, 16, &xd->subpix);
}
}
}
for (i = 16; i < 24; i += 2) {
BLOCKD *d0 = &blockd[i];
BLOCKD *d1 = &blockd[i + 1];
if (d0->bmi.as_mv[0].as_int == d1->bmi.as_mv[0].as_int)
build_inter_predictors2b(xd, d0, 8);
else {
vp9_build_inter_predictors_b(d0, 8, &xd->subpix);
vp9_build_inter_predictors_b(d1, 8, &xd->subpix);
}
if (mbmi->second_ref_frame > 0) {
vp9_build_2nd_inter_predictors_b(d0, 8, &xd->subpix);
vp9_build_2nd_inter_predictors_b(d1, 8, &xd->subpix);
}
}
}
static
void build_4x4uvmvs(MACROBLOCKD *xd) {
int i, j;
BLOCKD *blockd = xd->block;
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
int yoffset = i * 8 + j * 2;
int uoffset = 16 + i * 2 + j;
int voffset = 20 + i * 2 + j;
int temp;
temp = xd->mode_info_context->bmi[yoffset + 0].as_mv[0].as_mv.row
+ xd->mode_info_context->bmi[yoffset + 1].as_mv[0].as_mv.row
+ xd->mode_info_context->bmi[yoffset + 4].as_mv[0].as_mv.row
+ xd->mode_info_context->bmi[yoffset + 5].as_mv[0].as_mv.row;
if (temp < 0) temp -= 4;
else temp += 4;
blockd[uoffset].bmi.as_mv[0].as_mv.row = (temp / 8) &
xd->fullpixel_mask;
temp = xd->mode_info_context->bmi[yoffset + 0].as_mv[0].as_mv.col
+ xd->mode_info_context->bmi[yoffset + 1].as_mv[0].as_mv.col
+ xd->mode_info_context->bmi[yoffset + 4].as_mv[0].as_mv.col
+ xd->mode_info_context->bmi[yoffset + 5].as_mv[0].as_mv.col;
if (temp < 0) temp -= 4;
else temp += 4;
blockd[uoffset].bmi.as_mv[0].as_mv.col = (temp / 8) &
xd->fullpixel_mask;
// if (x->mode_info_context->mbmi.need_to_clamp_mvs)
clamp_uvmv_to_umv_border(&blockd[uoffset].bmi.as_mv[0].as_mv, xd);
// if (x->mode_info_context->mbmi.need_to_clamp_mvs)
clamp_uvmv_to_umv_border(&blockd[uoffset].bmi.as_mv[0].as_mv, xd);
blockd[voffset].bmi.as_mv[0].as_mv.row =
blockd[uoffset].bmi.as_mv[0].as_mv.row;
blockd[voffset].bmi.as_mv[0].as_mv.col =
blockd[uoffset].bmi.as_mv[0].as_mv.col;
if (xd->mode_info_context->mbmi.second_ref_frame > 0) {
temp = xd->mode_info_context->bmi[yoffset + 0].as_mv[1].as_mv.row
+ xd->mode_info_context->bmi[yoffset + 1].as_mv[1].as_mv.row
+ xd->mode_info_context->bmi[yoffset + 4].as_mv[1].as_mv.row
+ xd->mode_info_context->bmi[yoffset + 5].as_mv[1].as_mv.row;
if (temp < 0) {
temp -= 4;
} else {
temp += 4;
}
blockd[uoffset].bmi.as_mv[1].as_mv.row = (temp / 8) &
xd->fullpixel_mask;
temp = xd->mode_info_context->bmi[yoffset + 0].as_mv[1].as_mv.col
+ xd->mode_info_context->bmi[yoffset + 1].as_mv[1].as_mv.col
+ xd->mode_info_context->bmi[yoffset + 4].as_mv[1].as_mv.col
+ xd->mode_info_context->bmi[yoffset + 5].as_mv[1].as_mv.col;
if (temp < 0) {
temp -= 4;
} else {
temp += 4;
}
blockd[uoffset].bmi.as_mv[1].as_mv.col = (temp / 8) &
xd->fullpixel_mask;
// if (mbmi->need_to_clamp_mvs)
clamp_uvmv_to_umv_border(
&blockd[uoffset].bmi.as_mv[1].as_mv, xd);
// if (mbmi->need_to_clamp_mvs)
clamp_uvmv_to_umv_border(
&blockd[uoffset].bmi.as_mv[1].as_mv, xd);
blockd[voffset].bmi.as_mv[1].as_mv.row =
blockd[uoffset].bmi.as_mv[1].as_mv.row;
blockd[voffset].bmi.as_mv[1].as_mv.col =
blockd[uoffset].bmi.as_mv[1].as_mv.col;
}
}
}
}
void vp9_build_inter_predictors_mb(MACROBLOCKD *xd) {
if (xd->mode_info_context->mbmi.mode != SPLITMV) {
vp9_build_1st_inter16x16_predictors_mb(xd, xd->predictor,
&xd->predictor[256],
&xd->predictor[320], 16, 8);
if (xd->mode_info_context->mbmi.second_ref_frame > 0) {
/* 256 = offset of U plane in Y+U+V buffer;
* 320 = offset of V plane in Y+U+V buffer.
* (256=16x16, 320=16x16+8x8). */
vp9_build_2nd_inter16x16_predictors_mb(xd, xd->predictor,
&xd->predictor[256],
&xd->predictor[320], 16, 8);
}
#if CONFIG_COMP_INTERINTRA_PRED
else if (xd->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME) {
vp9_build_interintra_16x16_predictors_mb(xd, xd->predictor,
&xd->predictor[256],
&xd->predictor[320], 16, 8);
}
#endif
} else {
build_4x4uvmvs(xd);
build_inter4x4_predictors_mb(xd);
}
}
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