845 lines
23 KiB
C
845 lines
23 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "vp8/common/recon.h"
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#include "vp8/common/reconintra.h"
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#include "vpx_mem/vpx_mem.h"
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#include "onyxd_int.h"
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/* For skip_recon_mb(), add vp8_build_intra_predictors_mby_s(MACROBLOCKD *xd)
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* and vp8_build_intra_predictors_mbuv_s(MACROBLOCKD *xd).
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*/
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void vp8mt_build_intra_predictors_mby(VP8D_COMP *pbi, MACROBLOCKD *xd,
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int mb_row, int mb_col) {
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unsigned char *yabove_row; /* = xd->dst.y_buffer - xd->dst.y_stride; */
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unsigned char *yleft_col;
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unsigned char yleft_buf[16];
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unsigned char ytop_left; /* = yabove_row[-1]; */
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unsigned char *ypred_ptr = xd->predictor;
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int r, c, i;
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if (pbi->common.filter_level) {
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yabove_row = pbi->mt_yabove_row[mb_row] + mb_col * 16 + 32;
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yleft_col = pbi->mt_yleft_col[mb_row];
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} else {
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yabove_row = xd->dst.y_buffer - xd->dst.y_stride;
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for (i = 0; i < 16; i++)
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yleft_buf[i] = xd->dst.y_buffer [i * xd->dst.y_stride - 1];
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yleft_col = yleft_buf;
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}
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ytop_left = yabove_row[-1];
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/* for Y */
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switch (xd->mode_info_context->mbmi.mode) {
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case DC_PRED: {
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int expected_dc;
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int i;
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int shift;
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int average = 0;
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if (xd->up_available || xd->left_available) {
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if (xd->up_available) {
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for (i = 0; i < 16; i++) {
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average += yabove_row[i];
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}
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}
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if (xd->left_available) {
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for (i = 0; i < 16; i++) {
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average += yleft_col[i];
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}
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}
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shift = 3 + xd->up_available + xd->left_available;
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expected_dc = (average + (1 << (shift - 1))) >> shift;
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} else {
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expected_dc = 128;
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}
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vpx_memset(ypred_ptr, expected_dc, 256);
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}
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break;
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case V_PRED: {
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for (r = 0; r < 16; r++) {
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((int *)ypred_ptr)[0] = ((int *)yabove_row)[0];
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((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
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((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
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((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
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ypred_ptr += 16;
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}
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}
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break;
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case H_PRED: {
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for (r = 0; r < 16; r++) {
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vpx_memset(ypred_ptr, yleft_col[r], 16);
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ypred_ptr += 16;
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}
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}
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break;
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case TM_PRED: {
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for (r = 0; r < 16; r++) {
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for (c = 0; c < 16; c++) {
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int pred = yleft_col[r] + yabove_row[ c] - ytop_left;
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if (pred < 0)
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pred = 0;
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if (pred > 255)
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pred = 255;
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ypred_ptr[c] = pred;
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}
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ypred_ptr += 16;
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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void vp8mt_build_intra_predictors_mby_s(VP8D_COMP *pbi, MACROBLOCKD *xd,
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int mb_row, int mb_col) {
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unsigned char *yabove_row; /* = xd->dst.y_buffer - xd->dst.y_stride; */
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unsigned char *yleft_col;
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unsigned char yleft_buf[16];
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unsigned char ytop_left; /* = yabove_row[-1]; */
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unsigned char *ypred_ptr = xd->predictor;
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int r, c, i;
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int y_stride = xd->dst.y_stride;
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ypred_ptr = xd->dst.y_buffer; /*xd->predictor;*/
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if (pbi->common.filter_level) {
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yabove_row = pbi->mt_yabove_row[mb_row] + mb_col * 16 + 32;
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yleft_col = pbi->mt_yleft_col[mb_row];
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} else {
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yabove_row = xd->dst.y_buffer - xd->dst.y_stride;
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for (i = 0; i < 16; i++)
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yleft_buf[i] = xd->dst.y_buffer [i * xd->dst.y_stride - 1];
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yleft_col = yleft_buf;
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}
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ytop_left = yabove_row[-1];
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/* for Y */
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switch (xd->mode_info_context->mbmi.mode) {
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case DC_PRED: {
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int expected_dc;
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int i;
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int shift;
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int average = 0;
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if (xd->up_available || xd->left_available) {
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if (xd->up_available) {
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for (i = 0; i < 16; i++) {
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average += yabove_row[i];
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}
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}
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if (xd->left_available) {
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for (i = 0; i < 16; i++) {
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average += yleft_col[i];
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}
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}
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shift = 3 + xd->up_available + xd->left_available;
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expected_dc = (average + (1 << (shift - 1))) >> shift;
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} else {
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expected_dc = 128;
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}
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/*vpx_memset(ypred_ptr, expected_dc, 256);*/
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for (r = 0; r < 16; r++) {
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vpx_memset(ypred_ptr, expected_dc, 16);
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ypred_ptr += y_stride; /*16;*/
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}
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}
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break;
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case V_PRED: {
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for (r = 0; r < 16; r++) {
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((int *)ypred_ptr)[0] = ((int *)yabove_row)[0];
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((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
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((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
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((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
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ypred_ptr += y_stride; /*16;*/
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}
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}
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break;
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case H_PRED: {
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for (r = 0; r < 16; r++) {
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vpx_memset(ypred_ptr, yleft_col[r], 16);
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ypred_ptr += y_stride; /*16;*/
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}
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}
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break;
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case TM_PRED: {
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for (r = 0; r < 16; r++) {
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for (c = 0; c < 16; c++) {
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int pred = yleft_col[r] + yabove_row[ c] - ytop_left;
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if (pred < 0)
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pred = 0;
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if (pred > 255)
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pred = 255;
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ypred_ptr[c] = pred;
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}
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ypred_ptr += y_stride; /*16;*/
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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void vp8mt_build_intra_predictors_mbuv(VP8D_COMP *pbi, MACROBLOCKD *xd,
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int mb_row, int mb_col) {
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unsigned char *uabove_row; /* = xd->dst.u_buffer - xd->dst.uv_stride; */
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unsigned char *uleft_col; /*[16];*/
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unsigned char uleft_buf[8];
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unsigned char utop_left; /* = uabove_row[-1]; */
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unsigned char *vabove_row; /* = xd->dst.v_buffer - xd->dst.uv_stride; */
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unsigned char *vleft_col; /*[20];*/
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unsigned char vleft_buf[8];
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unsigned char vtop_left; /* = vabove_row[-1]; */
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unsigned char *upred_ptr = &xd->predictor[256];
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unsigned char *vpred_ptr = &xd->predictor[320];
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int i, j;
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if (pbi->common.filter_level) {
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uabove_row = pbi->mt_uabove_row[mb_row] + mb_col * 8 + 16;
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vabove_row = pbi->mt_vabove_row[mb_row] + mb_col * 8 + 16;
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uleft_col = pbi->mt_uleft_col[mb_row];
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vleft_col = pbi->mt_vleft_col[mb_row];
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} else {
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uabove_row = xd->dst.u_buffer - xd->dst.uv_stride;
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vabove_row = xd->dst.v_buffer - xd->dst.uv_stride;
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for (i = 0; i < 8; i++) {
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uleft_buf[i] = xd->dst.u_buffer [i * xd->dst.uv_stride - 1];
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vleft_buf[i] = xd->dst.v_buffer [i * xd->dst.uv_stride - 1];
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}
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uleft_col = uleft_buf;
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vleft_col = vleft_buf;
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}
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utop_left = uabove_row[-1];
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vtop_left = vabove_row[-1];
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switch (xd->mode_info_context->mbmi.uv_mode) {
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case DC_PRED: {
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int expected_udc;
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int expected_vdc;
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int i;
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int shift;
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int Uaverage = 0;
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int Vaverage = 0;
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if (xd->up_available) {
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for (i = 0; i < 8; i++) {
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Uaverage += uabove_row[i];
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Vaverage += vabove_row[i];
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}
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}
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if (xd->left_available) {
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for (i = 0; i < 8; i++) {
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Uaverage += uleft_col[i];
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Vaverage += vleft_col[i];
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}
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}
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if (!xd->up_available && !xd->left_available) {
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expected_udc = 128;
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expected_vdc = 128;
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} else {
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shift = 2 + xd->up_available + xd->left_available;
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expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
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expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
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}
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vpx_memset(upred_ptr, expected_udc, 64);
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vpx_memset(vpred_ptr, expected_vdc, 64);
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}
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break;
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case V_PRED: {
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int i;
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for (i = 0; i < 8; i++) {
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vpx_memcpy(upred_ptr, uabove_row, 8);
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vpx_memcpy(vpred_ptr, vabove_row, 8);
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upred_ptr += 8;
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vpred_ptr += 8;
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}
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}
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break;
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case H_PRED: {
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int i;
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for (i = 0; i < 8; i++) {
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vpx_memset(upred_ptr, uleft_col[i], 8);
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vpx_memset(vpred_ptr, vleft_col[i], 8);
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upred_ptr += 8;
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vpred_ptr += 8;
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}
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}
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break;
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case TM_PRED: {
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int i;
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for (i = 0; i < 8; i++) {
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for (j = 0; j < 8; j++) {
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int predu = uleft_col[i] + uabove_row[j] - utop_left;
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int predv = vleft_col[i] + vabove_row[j] - vtop_left;
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if (predu < 0)
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predu = 0;
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if (predu > 255)
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predu = 255;
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if (predv < 0)
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predv = 0;
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if (predv > 255)
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predv = 255;
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upred_ptr[j] = predu;
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vpred_ptr[j] = predv;
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}
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upred_ptr += 8;
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vpred_ptr += 8;
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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void vp8mt_build_intra_predictors_mbuv_s(VP8D_COMP *pbi, MACROBLOCKD *xd,
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int mb_row, int mb_col) {
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unsigned char *uabove_row; /* = xd->dst.u_buffer - xd->dst.uv_stride; */
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unsigned char *uleft_col; /*[16];*/
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unsigned char uleft_buf[8];
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unsigned char utop_left; /* = uabove_row[-1]; */
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unsigned char *vabove_row; /* = xd->dst.v_buffer - xd->dst.uv_stride; */
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unsigned char *vleft_col; /*[20];*/
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unsigned char vleft_buf[8];
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unsigned char vtop_left; /* = vabove_row[-1]; */
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unsigned char *upred_ptr = xd->dst.u_buffer; /*&xd->predictor[256];*/
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unsigned char *vpred_ptr = xd->dst.v_buffer; /*&xd->predictor[320];*/
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int uv_stride = xd->dst.uv_stride;
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int i, j;
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if (pbi->common.filter_level) {
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uabove_row = pbi->mt_uabove_row[mb_row] + mb_col * 8 + 16;
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vabove_row = pbi->mt_vabove_row[mb_row] + mb_col * 8 + 16;
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uleft_col = pbi->mt_uleft_col[mb_row];
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vleft_col = pbi->mt_vleft_col[mb_row];
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} else {
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uabove_row = xd->dst.u_buffer - xd->dst.uv_stride;
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vabove_row = xd->dst.v_buffer - xd->dst.uv_stride;
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for (i = 0; i < 8; i++) {
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uleft_buf[i] = xd->dst.u_buffer [i * xd->dst.uv_stride - 1];
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vleft_buf[i] = xd->dst.v_buffer [i * xd->dst.uv_stride - 1];
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}
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uleft_col = uleft_buf;
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vleft_col = vleft_buf;
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}
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utop_left = uabove_row[-1];
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vtop_left = vabove_row[-1];
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switch (xd->mode_info_context->mbmi.uv_mode) {
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case DC_PRED: {
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int expected_udc;
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int expected_vdc;
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int i;
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int shift;
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int Uaverage = 0;
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int Vaverage = 0;
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if (xd->up_available) {
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for (i = 0; i < 8; i++) {
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Uaverage += uabove_row[i];
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Vaverage += vabove_row[i];
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}
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}
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if (xd->left_available) {
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for (i = 0; i < 8; i++) {
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Uaverage += uleft_col[i];
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Vaverage += vleft_col[i];
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}
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}
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if (!xd->up_available && !xd->left_available) {
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expected_udc = 128;
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expected_vdc = 128;
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} else {
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shift = 2 + xd->up_available + xd->left_available;
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expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
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expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
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}
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/*vpx_memset(upred_ptr,expected_udc,64);
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vpx_memset(vpred_ptr,expected_vdc,64);*/
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for (i = 0; i < 8; i++) {
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vpx_memset(upred_ptr, expected_udc, 8);
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vpx_memset(vpred_ptr, expected_vdc, 8);
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upred_ptr += uv_stride; /*8;*/
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vpred_ptr += uv_stride; /*8;*/
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}
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}
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break;
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case V_PRED: {
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int i;
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for (i = 0; i < 8; i++) {
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vpx_memcpy(upred_ptr, uabove_row, 8);
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vpx_memcpy(vpred_ptr, vabove_row, 8);
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upred_ptr += uv_stride; /*8;*/
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vpred_ptr += uv_stride; /*8;*/
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}
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}
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break;
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case H_PRED: {
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int i;
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for (i = 0; i < 8; i++) {
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vpx_memset(upred_ptr, uleft_col[i], 8);
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vpx_memset(vpred_ptr, vleft_col[i], 8);
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upred_ptr += uv_stride; /*8;*/
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vpred_ptr += uv_stride; /*8;*/
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}
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}
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break;
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case TM_PRED: {
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int i;
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for (i = 0; i < 8; i++) {
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for (j = 0; j < 8; j++) {
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int predu = uleft_col[i] + uabove_row[j] - utop_left;
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int predv = vleft_col[i] + vabove_row[j] - vtop_left;
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if (predu < 0)
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predu = 0;
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if (predu > 255)
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predu = 255;
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if (predv < 0)
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predv = 0;
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if (predv > 255)
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predv = 255;
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upred_ptr[j] = predu;
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vpred_ptr[j] = predv;
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}
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upred_ptr += uv_stride; /*8;*/
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vpred_ptr += uv_stride; /*8;*/
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|
}
|
|
|
|
}
|
|
break;
|
|
case B_PRED:
|
|
case NEARESTMV:
|
|
case NEARMV:
|
|
case ZEROMV:
|
|
case NEWMV:
|
|
case SPLITMV:
|
|
case MB_MODE_COUNT:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void vp8mt_predict_intra4x4(VP8D_COMP *pbi,
|
|
MACROBLOCKD *xd,
|
|
int b_mode,
|
|
unsigned char *predictor,
|
|
int mb_row,
|
|
int mb_col,
|
|
int num) {
|
|
int i, r, c;
|
|
|
|
unsigned char *Above; /* = *(xd->base_dst) + xd->dst - xd->dst_stride; */
|
|
unsigned char Left[4];
|
|
unsigned char top_left; /* = Above[-1]; */
|
|
|
|
BLOCKD *blockd = &xd->block[num];
|
|
|
|
/*Caution: For some b_mode, it needs 8 pixels (4 above + 4 above-right).*/
|
|
if (num < 4 && pbi->common.filter_level)
|
|
Above = pbi->mt_yabove_row[mb_row] + mb_col * 16 + num * 4 + 32;
|
|
else
|
|
Above = *(blockd->base_dst) + blockd->dst - blockd->dst_stride;
|
|
|
|
if (num % 4 == 0 && pbi->common.filter_level) {
|
|
for (i = 0; i < 4; i++)
|
|
Left[i] = pbi->mt_yleft_col[mb_row][num + i];
|
|
} else {
|
|
Left[0] = (*(blockd->base_dst))[blockd->dst - 1];
|
|
Left[1] = (*(blockd->base_dst))[blockd->dst - 1 + blockd->dst_stride];
|
|
Left[2] = (*(blockd->base_dst))[blockd->dst - 1 + 2 * blockd->dst_stride];
|
|
Left[3] = (*(blockd->base_dst))[blockd->dst - 1 + 3 * blockd->dst_stride];
|
|
}
|
|
|
|
if ((num == 4 || num == 8 || num == 12) && pbi->common.filter_level)
|
|
top_left = pbi->mt_yleft_col[mb_row][num - 1];
|
|
else
|
|
top_left = Above[-1];
|
|
|
|
switch (b_mode) {
|
|
case B_DC_PRED: {
|
|
int expected_dc = 0;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
expected_dc += Above[i];
|
|
expected_dc += Left[i];
|
|
}
|
|
|
|
expected_dc = (expected_dc + 4) >> 3;
|
|
|
|
for (r = 0; r < 4; r++) {
|
|
for (c = 0; c < 4; c++) {
|
|
predictor[c] = expected_dc;
|
|
}
|
|
|
|
predictor += 16;
|
|
}
|
|
}
|
|
break;
|
|
case B_TM_PRED: {
|
|
/* prediction similar to true_motion prediction */
|
|
for (r = 0; r < 4; r++) {
|
|
for (c = 0; c < 4; c++) {
|
|
int pred = Above[c] - top_left + Left[r];
|
|
|
|
if (pred < 0)
|
|
pred = 0;
|
|
|
|
if (pred > 255)
|
|
pred = 255;
|
|
|
|
predictor[c] = pred;
|
|
}
|
|
|
|
predictor += 16;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case B_VE_PRED: {
|
|
|
|
unsigned int ap[4];
|
|
ap[0] = (top_left + 2 * Above[0] + Above[1] + 2) >> 2;
|
|
ap[1] = (Above[0] + 2 * Above[1] + Above[2] + 2) >> 2;
|
|
ap[2] = (Above[1] + 2 * Above[2] + Above[3] + 2) >> 2;
|
|
ap[3] = (Above[2] + 2 * Above[3] + Above[4] + 2) >> 2;
|
|
|
|
for (r = 0; r < 4; r++) {
|
|
for (c = 0; c < 4; c++) {
|
|
|
|
predictor[c] = ap[c];
|
|
}
|
|
|
|
predictor += 16;
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
|
|
case B_HE_PRED: {
|
|
|
|
unsigned int lp[4];
|
|
lp[0] = (top_left + 2 * Left[0] + Left[1] + 2) >> 2;
|
|
lp[1] = (Left[0] + 2 * Left[1] + Left[2] + 2) >> 2;
|
|
lp[2] = (Left[1] + 2 * Left[2] + Left[3] + 2) >> 2;
|
|
lp[3] = (Left[2] + 2 * Left[3] + Left[3] + 2) >> 2;
|
|
|
|
for (r = 0; r < 4; r++) {
|
|
for (c = 0; c < 4; c++) {
|
|
predictor[c] = lp[r];
|
|
}
|
|
|
|
predictor += 16;
|
|
}
|
|
}
|
|
break;
|
|
case B_LD_PRED: {
|
|
unsigned char *ptr = Above;
|
|
predictor[0 * 16 + 0] = (ptr[0] + ptr[1] * 2 + ptr[2] + 2) >> 2;
|
|
predictor[0 * 16 + 1] =
|
|
predictor[1 * 16 + 0] = (ptr[1] + ptr[2] * 2 + ptr[3] + 2) >> 2;
|
|
predictor[0 * 16 + 2] =
|
|
predictor[1 * 16 + 1] =
|
|
predictor[2 * 16 + 0] = (ptr[2] + ptr[3] * 2 + ptr[4] + 2) >> 2;
|
|
predictor[0 * 16 + 3] =
|
|
predictor[1 * 16 + 2] =
|
|
predictor[2 * 16 + 1] =
|
|
predictor[3 * 16 + 0] = (ptr[3] + ptr[4] * 2 + ptr[5] + 2) >> 2;
|
|
predictor[1 * 16 + 3] =
|
|
predictor[2 * 16 + 2] =
|
|
predictor[3 * 16 + 1] = (ptr[4] + ptr[5] * 2 + ptr[6] + 2) >> 2;
|
|
predictor[2 * 16 + 3] =
|
|
predictor[3 * 16 + 2] = (ptr[5] + ptr[6] * 2 + ptr[7] + 2) >> 2;
|
|
predictor[3 * 16 + 3] = (ptr[6] + ptr[7] * 2 + ptr[7] + 2) >> 2;
|
|
|
|
}
|
|
break;
|
|
case B_RD_PRED: {
|
|
|
|
unsigned char pp[9];
|
|
|
|
pp[0] = Left[3];
|
|
pp[1] = Left[2];
|
|
pp[2] = Left[1];
|
|
pp[3] = Left[0];
|
|
pp[4] = top_left;
|
|
pp[5] = Above[0];
|
|
pp[6] = Above[1];
|
|
pp[7] = Above[2];
|
|
pp[8] = Above[3];
|
|
|
|
predictor[3 * 16 + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
|
|
predictor[3 * 16 + 1] =
|
|
predictor[2 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
|
|
predictor[3 * 16 + 2] =
|
|
predictor[2 * 16 + 1] =
|
|
predictor[1 * 16 + 0] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
|
|
predictor[3 * 16 + 3] =
|
|
predictor[2 * 16 + 2] =
|
|
predictor[1 * 16 + 1] =
|
|
predictor[0 * 16 + 0] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
|
|
predictor[2 * 16 + 3] =
|
|
predictor[1 * 16 + 2] =
|
|
predictor[0 * 16 + 1] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
|
|
predictor[1 * 16 + 3] =
|
|
predictor[0 * 16 + 2] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
|
|
predictor[0 * 16 + 3] = (pp[6] + pp[7] * 2 + pp[8] + 2) >> 2;
|
|
|
|
}
|
|
break;
|
|
case B_VR_PRED: {
|
|
|
|
unsigned char pp[9];
|
|
|
|
pp[0] = Left[3];
|
|
pp[1] = Left[2];
|
|
pp[2] = Left[1];
|
|
pp[3] = Left[0];
|
|
pp[4] = top_left;
|
|
pp[5] = Above[0];
|
|
pp[6] = Above[1];
|
|
pp[7] = Above[2];
|
|
pp[8] = Above[3];
|
|
|
|
|
|
predictor[3 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
|
|
predictor[2 * 16 + 0] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
|
|
predictor[3 * 16 + 1] =
|
|
predictor[1 * 16 + 0] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
|
|
predictor[2 * 16 + 1] =
|
|
predictor[0 * 16 + 0] = (pp[4] + pp[5] + 1) >> 1;
|
|
predictor[3 * 16 + 2] =
|
|
predictor[1 * 16 + 1] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
|
|
predictor[2 * 16 + 2] =
|
|
predictor[0 * 16 + 1] = (pp[5] + pp[6] + 1) >> 1;
|
|
predictor[3 * 16 + 3] =
|
|
predictor[1 * 16 + 2] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
|
|
predictor[2 * 16 + 3] =
|
|
predictor[0 * 16 + 2] = (pp[6] + pp[7] + 1) >> 1;
|
|
predictor[1 * 16 + 3] = (pp[6] + pp[7] * 2 + pp[8] + 2) >> 2;
|
|
predictor[0 * 16 + 3] = (pp[7] + pp[8] + 1) >> 1;
|
|
|
|
}
|
|
break;
|
|
case B_VL_PRED: {
|
|
|
|
unsigned char *pp = Above;
|
|
|
|
predictor[0 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
|
|
predictor[1 * 16 + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
|
|
predictor[2 * 16 + 0] =
|
|
predictor[0 * 16 + 1] = (pp[1] + pp[2] + 1) >> 1;
|
|
predictor[1 * 16 + 1] =
|
|
predictor[3 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
|
|
predictor[2 * 16 + 1] =
|
|
predictor[0 * 16 + 2] = (pp[2] + pp[3] + 1) >> 1;
|
|
predictor[3 * 16 + 1] =
|
|
predictor[1 * 16 + 2] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
|
|
predictor[0 * 16 + 3] =
|
|
predictor[2 * 16 + 2] = (pp[3] + pp[4] + 1) >> 1;
|
|
predictor[1 * 16 + 3] =
|
|
predictor[3 * 16 + 2] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
|
|
predictor[2 * 16 + 3] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
|
|
predictor[3 * 16 + 3] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
|
|
}
|
|
break;
|
|
|
|
case B_HD_PRED: {
|
|
unsigned char pp[9];
|
|
pp[0] = Left[3];
|
|
pp[1] = Left[2];
|
|
pp[2] = Left[1];
|
|
pp[3] = Left[0];
|
|
pp[4] = top_left;
|
|
pp[5] = Above[0];
|
|
pp[6] = Above[1];
|
|
pp[7] = Above[2];
|
|
pp[8] = Above[3];
|
|
|
|
|
|
predictor[3 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
|
|
predictor[3 * 16 + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
|
|
predictor[2 * 16 + 0] =
|
|
predictor[3 * 16 + 2] = (pp[1] + pp[2] + 1) >> 1;
|
|
predictor[2 * 16 + 1] =
|
|
predictor[3 * 16 + 3] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
|
|
predictor[2 * 16 + 2] =
|
|
predictor[1 * 16 + 0] = (pp[2] + pp[3] + 1) >> 1;
|
|
predictor[2 * 16 + 3] =
|
|
predictor[1 * 16 + 1] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
|
|
predictor[1 * 16 + 2] =
|
|
predictor[0 * 16 + 0] = (pp[3] + pp[4] + 1) >> 1;
|
|
predictor[1 * 16 + 3] =
|
|
predictor[0 * 16 + 1] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
|
|
predictor[0 * 16 + 2] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
|
|
predictor[0 * 16 + 3] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
|
|
}
|
|
break;
|
|
|
|
|
|
case B_HU_PRED: {
|
|
unsigned char *pp = Left;
|
|
predictor[0 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
|
|
predictor[0 * 16 + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
|
|
predictor[0 * 16 + 2] =
|
|
predictor[1 * 16 + 0] = (pp[1] + pp[2] + 1) >> 1;
|
|
predictor[0 * 16 + 3] =
|
|
predictor[1 * 16 + 1] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
|
|
predictor[1 * 16 + 2] =
|
|
predictor[2 * 16 + 0] = (pp[2] + pp[3] + 1) >> 1;
|
|
predictor[1 * 16 + 3] =
|
|
predictor[2 * 16 + 1] = (pp[2] + pp[3] * 2 + pp[3] + 2) >> 2;
|
|
predictor[2 * 16 + 2] =
|
|
predictor[2 * 16 + 3] =
|
|
predictor[3 * 16 + 0] =
|
|
predictor[3 * 16 + 1] =
|
|
predictor[3 * 16 + 2] =
|
|
predictor[3 * 16 + 3] = pp[3];
|
|
}
|
|
break;
|
|
|
|
|
|
}
|
|
}
|
|
|
|
/* copy 4 bytes from the above right down so that the 4x4 prediction modes using pixels above and
|
|
* to the right prediction have filled in pixels to use.
|
|
*/
|
|
void vp8mt_intra_prediction_down_copy(VP8D_COMP *pbi, MACROBLOCKD *xd,
|
|
int mb_row, int mb_col) {
|
|
unsigned char *above_right; // = *(xd->block[0].base_dst) +
|
|
// xd->block[0].dst -
|
|
// xd->block[0].dst_stride + 16; */
|
|
unsigned int *src_ptr;
|
|
unsigned int *dst_ptr0;
|
|
unsigned int *dst_ptr1;
|
|
unsigned int *dst_ptr2;
|
|
|
|
if (pbi->common.filter_level)
|
|
above_right = pbi->mt_yabove_row[mb_row] + mb_col * 16 + 32 + 16;
|
|
else
|
|
above_right = *(xd->block[0].base_dst) + xd->block[0].dst -
|
|
xd->block[0].dst_stride + 16;
|
|
|
|
src_ptr = (unsigned int *)above_right;
|
|
/*dst_ptr0 = (unsigned int *)(above_right + 4 * xd->block[0].dst_stride);
|
|
dst_ptr1 = (unsigned int *)(above_right + 8 * xd->block[0].dst_stride);
|
|
dst_ptr2 = (unsigned int *)(above_right + 12 * xd->block[0].dst_stride);*/
|
|
dst_ptr0 = (unsigned int *)(*(xd->block[0].base_dst) + xd->block[0].dst +
|
|
16 + 3 * xd->block[0].dst_stride);
|
|
dst_ptr1 = (unsigned int *)(*(xd->block[0].base_dst) + xd->block[0].dst +
|
|
16 + 7 * xd->block[0].dst_stride);
|
|
dst_ptr2 = (unsigned int *)(*(xd->block[0].base_dst) + xd->block[0].dst +
|
|
16 + 11 * xd->block[0].dst_stride);
|
|
*dst_ptr0 = *src_ptr;
|
|
*dst_ptr1 = *src_ptr;
|
|
*dst_ptr2 = *src_ptr;
|
|
}
|