830 lines
29 KiB
C
830 lines
29 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 <stdio.h>
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#include "./vpx_config.h"
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#include "vp9_rtcd.h"
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#include "vp9/common/vp9_reconintra.h"
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#include "vpx_mem/vpx_mem.h"
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// Using multiplication and shifting instead of division in diagonal prediction.
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// iscale table is calculated from ((1 << 16) + (i + 2) / 2) / (i+2) and used as
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// ((A + B) * iscale[i] + (1 << 15)) >> 16;
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// where A and B are weighted pixel values.
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static const unsigned int iscale[64] = {
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32768, 21845, 16384, 13107, 10923, 9362, 8192, 7282,
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6554, 5958, 5461, 5041, 4681, 4369, 4096, 3855,
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3641, 3449, 3277, 3121, 2979, 2849, 2731, 2621,
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2521, 2427, 2341, 2260, 2185, 2114, 2048, 1986,
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1928, 1872, 1820, 1771, 1725, 1680, 1638, 1598,
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1560, 1524, 1489, 1456, 1425, 1394, 1365, 1337,
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1311, 1285, 1260, 1237, 1214, 1192, 1170, 1150,
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1130, 1111, 1092, 1074, 1057, 1040, 1024, 1008,
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};
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static INLINE int iscale_round(int value, int i) {
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return ROUND_POWER_OF_TWO(value * iscale[i], 16);
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}
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static void d27_predictor(uint8_t *ypred_ptr, int y_stride,
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int bw, int bh,
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uint8_t *yabove_row, uint8_t *yleft_col) {
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int r, c;
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r = 0;
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for (c = 0; c < bw - 2; c++) {
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int a = c & 1 ? yleft_col[r + 1]
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: ROUND_POWER_OF_TWO(yleft_col[r] + yleft_col[r + 1], 1);
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int b = yabove_row[c + 2];
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ypred_ptr[c] = iscale_round(2 * a + (c + 1) * b, 1 + c);
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}
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for (r = 1; r < bh / 2 - 1; r++) {
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for (c = 0; c < bw - 2 - 2 * r; c++) {
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int a = c & 1 ? yleft_col[r + 1]
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: ROUND_POWER_OF_TWO(yleft_col[r] + yleft_col[r + 1], 1);
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int b = ypred_ptr[(r - 1) * y_stride + c + 2];
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ypred_ptr[r * y_stride + c] = iscale_round(2 * a + (c + 1) * b, 1 + c);
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}
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}
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for (; r < bh - 1; r++) {
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for (c = 0; c < bw; c++) {
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int v = c & 1 ? yleft_col[r + 1]
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: ROUND_POWER_OF_TWO(yleft_col[r] + yleft_col[r + 1], 1);
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int h = r - c / 2;
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ypred_ptr[h * y_stride + c] = v;
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}
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}
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c = 0;
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r = bh - 1;
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ypred_ptr[r * y_stride] = ROUND_POWER_OF_TWO(ypred_ptr[(r - 1) * y_stride] +
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yleft_col[r], 1);
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for (r = bh - 2; r >= bh / 2; --r) {
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const int w = c + (bh - 1 - r) * 2;
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ypred_ptr[r * y_stride + w] =
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ROUND_POWER_OF_TWO(ypred_ptr[(r - 1) * y_stride + w] +
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ypred_ptr[r * y_stride + w - 1], 1);
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}
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for (c = 1; c < bw; c++) {
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for (r = bh - 1; r >= bh / 2 + c / 2; --r) {
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const int w = c + (bh - 1 - r) * 2;
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ypred_ptr[r * y_stride + w] =
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ROUND_POWER_OF_TWO(ypred_ptr[(r - 1) * y_stride + w] +
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ypred_ptr[r * y_stride + w - 1], 1);
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}
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}
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}
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static void d63_predictor(uint8_t *ypred_ptr, int y_stride,
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int bw, int bh,
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uint8_t *yabove_row, uint8_t *yleft_col) {
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int r, c;
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c = 0;
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for (r = 0; r < bh - 2; r++) {
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int a = r & 1 ? yabove_row[c + 1]
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: ROUND_POWER_OF_TWO(yabove_row[c] + yabove_row[c + 1], 1);
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int b = yleft_col[r + 2];
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ypred_ptr[r * y_stride] = iscale_round(2 * a + (r + 1) * b, 1 + r);
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}
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for (c = 1; c < bw / 2 - 1; c++) {
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for (r = 0; r < bh - 2 - 2 * c; r++) {
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int a = r & 1 ? yabove_row[c + 1]
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: ROUND_POWER_OF_TWO(yabove_row[c] + yabove_row[c + 1], 1);
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int b = ypred_ptr[(r + 2) * y_stride + c - 1];
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ypred_ptr[r * y_stride + c] = iscale_round(2 * a + (c + 1) * b, 1 + c);
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}
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}
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for (; c < bw - 1; ++c) {
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for (r = 0; r < bh; r++) {
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int v = r & 1 ? yabove_row[c + 1]
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: ROUND_POWER_OF_TWO(yabove_row[c] + yabove_row[c + 1], 1);
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int w = c - r / 2;
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ypred_ptr[r * y_stride + w] = v;
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}
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}
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r = 0;
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c = bw - 1;
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ypred_ptr[c] = ROUND_POWER_OF_TWO(ypred_ptr[(c - 1)] + yabove_row[c], 1);
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for (c = bw - 2; c >= bw / 2; --c) {
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const int h = r + (bw - 1 - c) * 2;
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ypred_ptr[h * y_stride + c] =
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ROUND_POWER_OF_TWO(ypred_ptr[h * y_stride + c - 1] +
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ypred_ptr[(h - 1) * y_stride + c], 1);
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}
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for (r = 1; r < bh; r++) {
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for (c = bw - 1; c >= bw / 2 + r / 2; --c) {
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const int h = r + (bw - 1 - c) * 2;
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ypred_ptr[h * y_stride + c] =
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ROUND_POWER_OF_TWO(ypred_ptr[h * y_stride + c - 1] +
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ypred_ptr[(h - 1) * y_stride + c], 1);
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}
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}
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}
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static void d45_predictor(uint8_t *ypred_ptr, int y_stride,
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int bw, int bh,
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uint8_t *yabove_row, uint8_t *yleft_col) {
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int r, c;
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for (r = 0; r < bh - 1; ++r) {
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for (c = 0; c <= r; ++c) {
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ypred_ptr[(r - c) * y_stride + c] = iscale_round(
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yabove_row[r + 1] * (c + 1) + yleft_col[r + 1] * (r - c + 1), r);
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}
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}
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for (c = 0; c <= r; ++c) {
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int yabove_ext = yabove_row[r]; // clip_pixel(2 * yabove_row[r] -
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// yabove_row[r - 1]);
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int yleft_ext = yleft_col[r]; // clip_pixel(2 * yleft_col[r] -
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// yleft_col[r-1]);
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ypred_ptr[(r - c) * y_stride + c] =
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iscale_round(yabove_ext * (c + 1) + yleft_ext * (r - c + 1), r);
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}
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for (r = 1; r < bh; ++r) {
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for (c = bw - r; c < bw; ++c) {
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const int yabove_ext = ypred_ptr[(r - 1) * y_stride + c];
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const int yleft_ext = ypred_ptr[r * y_stride + c - 1];
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ypred_ptr[r * y_stride + c] =
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ROUND_POWER_OF_TWO(yabove_ext + yleft_ext, 1);
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}
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}
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}
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static void d117_predictor(uint8_t *ypred_ptr, int y_stride,
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int bw, int bh,
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uint8_t *yabove_row, uint8_t *yleft_col) {
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int r, c;
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for (c = 0; c < bw; c++)
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ypred_ptr[c] = ROUND_POWER_OF_TWO(yabove_row[c - 1] + yabove_row[c], 1);
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ypred_ptr += y_stride;
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for (c = 0; c < bw; c++)
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ypred_ptr[c] = yabove_row[c - 1];
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ypred_ptr += y_stride;
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for (r = 2; r < bh; ++r) {
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ypred_ptr[0] = yleft_col[r - 2];
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for (c = 1; c < bw; c++)
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ypred_ptr[c] = ypred_ptr[-2 * y_stride + c - 1];
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ypred_ptr += y_stride;
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}
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}
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static void d135_predictor(uint8_t *ypred_ptr, int y_stride,
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int bw, int bh,
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uint8_t *yabove_row, uint8_t *yleft_col) {
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int r, c;
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ypred_ptr[0] = yabove_row[-1];
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for (c = 1; c < bw; c++)
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ypred_ptr[c] = yabove_row[c - 1];
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for (r = 1; r < bh; ++r)
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ypred_ptr[r * y_stride] = yleft_col[r - 1];
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ypred_ptr += y_stride;
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for (r = 1; r < bh; ++r) {
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for (c = 1; c < bw; c++)
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ypred_ptr[c] = ypred_ptr[-y_stride + c - 1];
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ypred_ptr += y_stride;
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}
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}
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static void d153_predictor(uint8_t *ypred_ptr, int y_stride,
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int bw, int bh,
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uint8_t *yabove_row, uint8_t *yleft_col) {
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int r, c;
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ypred_ptr[0] = ROUND_POWER_OF_TWO(yabove_row[-1] + yleft_col[0], 1);
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for (r = 1; r < bh; r++)
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ypred_ptr[r * y_stride] =
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ROUND_POWER_OF_TWO(yleft_col[r - 1] + yleft_col[r], 1);
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ypred_ptr++;
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ypred_ptr[0] = yabove_row[-1];
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for (r = 1; r < bh; r++)
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ypred_ptr[r * y_stride] = yleft_col[r - 1];
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ypred_ptr++;
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for (c = 0; c < bw - 2; c++)
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ypred_ptr[c] = yabove_row[c];
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ypred_ptr += y_stride;
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for (r = 1; r < bh; ++r) {
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for (c = 0; c < bw - 2; c++)
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ypred_ptr[c] = ypred_ptr[-y_stride + c - 2];
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ypred_ptr += y_stride;
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}
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}
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static void corner_predictor(uint8_t *ypred_ptr, int y_stride, int n,
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uint8_t *yabove_row,
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uint8_t *yleft_col) {
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int mh, mv, maxgradh, maxgradv, x, y, nx, ny;
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int i, j;
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int top_left = yabove_row[-1];
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mh = mv = 0;
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maxgradh = yabove_row[1] - top_left;
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maxgradv = yleft_col[1] - top_left;
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for (i = 2; i < n; ++i) {
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int gh = yabove_row[i] - yabove_row[i - 2];
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int gv = yleft_col[i] - yleft_col[i - 2];
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if (gh > maxgradh) {
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maxgradh = gh;
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mh = i - 1;
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}
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if (gv > maxgradv) {
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maxgradv = gv;
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mv = i - 1;
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}
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}
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nx = mh + mv + 3;
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ny = 2 * n + 1 - nx;
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x = top_left;
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for (i = 0; i <= mh; ++i) x += yabove_row[i];
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for (i = 0; i <= mv; ++i) x += yleft_col[i];
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x += (nx >> 1);
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x /= nx;
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y = 0;
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for (i = mh + 1; i < n; ++i) y += yabove_row[i];
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for (i = mv + 1; i < n; ++i) y += yleft_col[i];
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y += (ny >> 1);
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y /= ny;
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for (i = 0; i < n; ++i) {
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for (j = 0; j < n; ++j)
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ypred_ptr[j] = (i <= mh && j <= mv ? x : y);
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ypred_ptr += y_stride;
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}
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}
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void vp9_recon_intra_mbuv(MACROBLOCKD *xd) {
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int i;
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for (i = 16; i < 24; i += 2) {
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BLOCKD *b = &xd->block[i];
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vp9_recon2b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
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}
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}
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static INLINE int log2_minus_1(int n) {
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switch (n) {
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case 4: return 1;
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case 8: return 2;
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case 16: return 3;
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case 32: return 4;
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case 64: return 5;
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default:
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assert(0);
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return 0;
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}
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}
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void vp9_build_intra_predictors(uint8_t *src, int src_stride,
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uint8_t *ypred_ptr,
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int y_stride, int mode,
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int bw, int bh,
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int up_available, int left_available,
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int right_available) {
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int r, c, i;
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uint8_t yleft_col[64], yabove_data[65], ytop_left;
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uint8_t *yabove_row = yabove_data + 1;
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// 127 127 127 .. 127 127 127 127 127 127
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// 129 A B .. Y Z
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// 129 C D .. W X
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// 129 E F .. U V
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// 129 G H .. S T T T T T
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// ..
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if (left_available) {
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for (i = 0; i < bh; i++)
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yleft_col[i] = src[i * src_stride - 1];
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} else {
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vpx_memset(yleft_col, 129, bh);
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}
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if (up_available) {
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uint8_t *yabove_ptr = src - src_stride;
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vpx_memcpy(yabove_row, yabove_ptr, bw);
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ytop_left = left_available ? yabove_ptr[-1] : 127;
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} else {
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vpx_memset(yabove_row, 127, bw);
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ytop_left = 127;
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}
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yabove_row[-1] = ytop_left;
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switch (mode) {
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case DC_PRED: {
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int i;
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int expected_dc = 128;
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int average = 0;
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int count = 0;
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if (up_available || left_available) {
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if (up_available) {
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for (i = 0; i < bw; i++)
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average += yabove_row[i];
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count += bw;
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}
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if (left_available) {
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for (i = 0; i < bh; i++)
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average += yleft_col[i];
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count += bh;
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}
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expected_dc = (average + (count >> 1)) / count;
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}
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for (r = 0; r < bh; r++) {
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vpx_memset(ypred_ptr, expected_dc, bw);
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ypred_ptr += y_stride;
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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 < bh; r++) {
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memcpy(ypred_ptr, yabove_row, bw);
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ypred_ptr += y_stride;
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}
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break;
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case H_PRED:
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for (r = 0; r < bh; r++) {
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vpx_memset(ypred_ptr, yleft_col[r], bw);
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ypred_ptr += y_stride;
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}
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break;
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case TM_PRED:
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for (r = 0; r < bh; r++) {
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for (c = 0; c < bw; c++)
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ypred_ptr[c] = clip_pixel(yleft_col[r] + yabove_row[c] - ytop_left);
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ypred_ptr += y_stride;
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}
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break;
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#if CONFIG_SBSEGMENT
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case D45_PRED:
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case D135_PRED:
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case D117_PRED:
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case D153_PRED:
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case D27_PRED:
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case D63_PRED:
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if (bw == bh) {
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switch (mode) {
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#endif
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case D45_PRED:
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d45_predictor(ypred_ptr, y_stride, bw, bh, yabove_row, yleft_col);
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break;
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case D135_PRED:
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d135_predictor(ypred_ptr, y_stride, bw, bh, yabove_row, yleft_col);
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break;
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case D117_PRED:
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d117_predictor(ypred_ptr, y_stride, bw, bh, yabove_row, yleft_col);
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break;
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case D153_PRED:
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d153_predictor(ypred_ptr, y_stride, bw, bh, yabove_row, yleft_col);
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break;
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case D27_PRED:
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d27_predictor(ypred_ptr, y_stride, bw, bh, yabove_row, yleft_col);
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break;
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case D63_PRED:
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d63_predictor(ypred_ptr, y_stride, bw, bh, yabove_row, yleft_col);
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break;
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#if CONFIG_SBSEGMENT
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default:
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assert(0);
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}
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} else if (bw > bh) {
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uint8_t pred[64*64];
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memset(yleft_col + bh, yleft_col[bh - 1], bw - bh);
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switch (mode) {
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case D45_PRED:
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d45_predictor(pred, 64, bw, bw, yabove_row, yleft_col);
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break;
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case D135_PRED:
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d135_predictor(pred, 64, bw, bw, yabove_row, yleft_col);
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break;
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case D117_PRED:
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d117_predictor(pred, 64, bw, bw, yabove_row, yleft_col);
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break;
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case D153_PRED:
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d153_predictor(pred, 64, bw, bw, yabove_row, yleft_col);
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break;
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case D27_PRED:
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d27_predictor(pred, 64, bw, bw, yabove_row, yleft_col);
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break;
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case D63_PRED:
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d63_predictor(pred, 64, bw, bw, yabove_row, yleft_col);
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break;
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default:
|
|
assert(0);
|
|
}
|
|
for (i = 0; i < bh; i++)
|
|
memcpy(ypred_ptr + y_stride * i, pred + i * 64, bw);
|
|
} else {
|
|
uint8_t pred[64 * 64];
|
|
memset(yabove_row + bw, yabove_row[bw - 1], bh - bw);
|
|
switch (mode) {
|
|
case D45_PRED:
|
|
d45_predictor(pred, 64, bh, bh, yabove_row, yleft_col);
|
|
break;
|
|
case D135_PRED:
|
|
d135_predictor(pred, 64, bh, bh, yabove_row, yleft_col);
|
|
break;
|
|
case D117_PRED:
|
|
d117_predictor(pred, 64, bh, bh, yabove_row, yleft_col);
|
|
break;
|
|
case D153_PRED:
|
|
d153_predictor(pred, 64, bh, bh, yabove_row, yleft_col);
|
|
break;
|
|
case D27_PRED:
|
|
d27_predictor(pred, 64, bh, bh, yabove_row, yleft_col);
|
|
break;
|
|
case D63_PRED:
|
|
d63_predictor(pred, 64, bh, bh, yabove_row, yleft_col);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
for (i = 0; i < bh; i++)
|
|
memcpy(ypred_ptr + y_stride * i, pred + i * 64, bw);
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if CONFIG_COMP_INTERINTRA_PRED
|
|
static void combine_interintra(MB_PREDICTION_MODE mode,
|
|
uint8_t *interpred,
|
|
int interstride,
|
|
uint8_t *intrapred,
|
|
int intrastride,
|
|
int size) {
|
|
// TODO(debargha): Explore different ways of combining predictors
|
|
// or designing the tables below
|
|
static const int scale_bits = 8;
|
|
static const int scale_max = 256; // 1 << scale_bits;
|
|
static const int scale_round = 127; // (1 << (scale_bits - 1));
|
|
// This table is a function A + B*exp(-kx), where x is hor. index
|
|
static const int weights1d[64] = {
|
|
128, 125, 122, 119, 116, 114, 111, 109,
|
|
107, 105, 103, 101, 99, 97, 96, 94,
|
|
93, 91, 90, 89, 88, 86, 85, 84,
|
|
83, 82, 81, 81, 80, 79, 78, 78,
|
|
77, 76, 76, 75, 75, 74, 74, 73,
|
|
73, 72, 72, 71, 71, 71, 70, 70,
|
|
70, 70, 69, 69, 69, 69, 68, 68,
|
|
68, 68, 68, 67, 67, 67, 67, 67,
|
|
};
|
|
|
|
int size_scale = (size >= 64 ? 1:
|
|
size == 32 ? 2 :
|
|
size == 16 ? 4 :
|
|
size == 8 ? 8 : 16);
|
|
int i, j;
|
|
switch (mode) {
|
|
case V_PRED:
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
int scale = weights1d[i * size_scale];
|
|
interpred[k] =
|
|
((scale_max - scale) * interpred[k] +
|
|
scale * intrapred[i * intrastride + j] + scale_round)
|
|
>> scale_bits;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case H_PRED:
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
int scale = weights1d[j * size_scale];
|
|
interpred[k] =
|
|
((scale_max - scale) * interpred[k] +
|
|
scale * intrapred[i * intrastride + j] + scale_round)
|
|
>> scale_bits;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case D63_PRED:
|
|
case D117_PRED:
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
int scale = (weights1d[i * size_scale] * 3 +
|
|
weights1d[j * size_scale]) >> 2;
|
|
interpred[k] =
|
|
((scale_max - scale) * interpred[k] +
|
|
scale * intrapred[i * intrastride + j] + scale_round)
|
|
>> scale_bits;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case D27_PRED:
|
|
case D153_PRED:
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
int scale = (weights1d[j * size_scale] * 3 +
|
|
weights1d[i * size_scale]) >> 2;
|
|
interpred[k] =
|
|
((scale_max - scale) * interpred[k] +
|
|
scale * intrapred[i * intrastride + j] + scale_round)
|
|
>> scale_bits;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case D135_PRED:
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
int scale = weights1d[(i < j ? i : j) * size_scale];
|
|
interpred[k] =
|
|
((scale_max - scale) * interpred[k] +
|
|
scale * intrapred[i * intrastride + j] + scale_round)
|
|
>> scale_bits;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case D45_PRED:
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
int scale = (weights1d[i * size_scale] +
|
|
weights1d[j * size_scale]) >> 1;
|
|
interpred[k] =
|
|
((scale_max - scale) * interpred[k] +
|
|
scale * intrapred[i * intrastride + j] + scale_round)
|
|
>> scale_bits;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TM_PRED:
|
|
case DC_PRED:
|
|
default:
|
|
// simple average
|
|
for (i = 0; i < size; ++i) {
|
|
for (j = 0; j < size; ++j) {
|
|
int k = i * interstride + j;
|
|
interpred[k] = (interpred[k] + intrapred[i * intrastride + j]) >> 1;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void vp9_build_interintra_16x16_predictors_mb(MACROBLOCKD *xd,
|
|
uint8_t *ypred,
|
|
uint8_t *upred,
|
|
uint8_t *vpred,
|
|
int ystride, int uvstride) {
|
|
vp9_build_interintra_16x16_predictors_mby(xd, ypred, ystride);
|
|
vp9_build_interintra_16x16_predictors_mbuv(xd, upred, vpred, uvstride);
|
|
}
|
|
|
|
void vp9_build_interintra_16x16_predictors_mby(MACROBLOCKD *xd,
|
|
uint8_t *ypred,
|
|
int ystride) {
|
|
uint8_t intrapredictor[256];
|
|
vp9_build_intra_predictors(
|
|
xd->dst.y_buffer, xd->dst.y_stride,
|
|
intrapredictor, 16,
|
|
xd->mode_info_context->mbmi.interintra_mode, 16, 16,
|
|
xd->up_available, xd->left_available, xd->right_available);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_mode,
|
|
ypred, ystride, intrapredictor, 16, 16);
|
|
}
|
|
|
|
void vp9_build_interintra_16x16_predictors_mbuv(MACROBLOCKD *xd,
|
|
uint8_t *upred,
|
|
uint8_t *vpred,
|
|
int uvstride) {
|
|
uint8_t uintrapredictor[64];
|
|
uint8_t vintrapredictor[64];
|
|
vp9_build_intra_predictors(
|
|
xd->dst.u_buffer, xd->dst.uv_stride,
|
|
uintrapredictor, 8,
|
|
xd->mode_info_context->mbmi.interintra_uv_mode, 8, 8,
|
|
xd->up_available, xd->left_available, xd->right_available);
|
|
vp9_build_intra_predictors(
|
|
xd->dst.v_buffer, xd->dst.uv_stride,
|
|
vintrapredictor, 8,
|
|
xd->mode_info_context->mbmi.interintra_uv_mode, 8, 8,
|
|
xd->up_available, xd->left_available, xd->right_available);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
|
|
upred, uvstride, uintrapredictor, 8, 8);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
|
|
vpred, uvstride, vintrapredictor, 8, 8);
|
|
}
|
|
|
|
void vp9_build_interintra_32x32_predictors_sby(MACROBLOCKD *xd,
|
|
uint8_t *ypred,
|
|
int ystride) {
|
|
uint8_t intrapredictor[1024];
|
|
vp9_build_intra_predictors(
|
|
xd->dst.y_buffer, xd->dst.y_stride,
|
|
intrapredictor, 32,
|
|
xd->mode_info_context->mbmi.interintra_mode, 32, 32,
|
|
xd->up_available, xd->left_available, xd->right_available);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_mode,
|
|
ypred, ystride, intrapredictor, 32, 32);
|
|
}
|
|
|
|
void vp9_build_interintra_32x32_predictors_sbuv(MACROBLOCKD *xd,
|
|
uint8_t *upred,
|
|
uint8_t *vpred,
|
|
int uvstride) {
|
|
uint8_t uintrapredictor[256];
|
|
uint8_t vintrapredictor[256];
|
|
vp9_build_intra_predictors(
|
|
xd->dst.u_buffer, xd->dst.uv_stride,
|
|
uintrapredictor, 16,
|
|
xd->mode_info_context->mbmi.interintra_uv_mode, 16, 16,
|
|
xd->up_available, xd->left_available, xd->right_available);
|
|
vp9_build_intra_predictors(
|
|
xd->dst.v_buffer, xd->dst.uv_stride,
|
|
vintrapredictor, 16,
|
|
xd->mode_info_context->mbmi.interintra_uv_mode, 16, 16,
|
|
xd->up_available, xd->left_available, xd->right_available);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
|
|
upred, uvstride, uintrapredictor, 16, 16);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
|
|
vpred, uvstride, vintrapredictor, 16, 16);
|
|
}
|
|
|
|
void vp9_build_interintra_32x32_predictors_sb(MACROBLOCKD *xd,
|
|
uint8_t *ypred,
|
|
uint8_t *upred,
|
|
uint8_t *vpred,
|
|
int ystride,
|
|
int uvstride) {
|
|
vp9_build_interintra_32x32_predictors_sby(xd, ypred, ystride);
|
|
vp9_build_interintra_32x32_predictors_sbuv(xd, upred, vpred, uvstride);
|
|
}
|
|
|
|
void vp9_build_interintra_64x64_predictors_sby(MACROBLOCKD *xd,
|
|
uint8_t *ypred,
|
|
int ystride) {
|
|
uint8_t intrapredictor[4096];
|
|
const int mode = xd->mode_info_context->mbmi.interintra_mode;
|
|
vp9_build_intra_predictors(xd->dst.y_buffer, xd->dst.y_stride,
|
|
intrapredictor, 64, mode, 64, 64,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_mode,
|
|
ypred, ystride, intrapredictor, 64, 64);
|
|
}
|
|
|
|
void vp9_build_interintra_64x64_predictors_sbuv(MACROBLOCKD *xd,
|
|
uint8_t *upred,
|
|
uint8_t *vpred,
|
|
int uvstride) {
|
|
uint8_t uintrapredictor[1024];
|
|
uint8_t vintrapredictor[1024];
|
|
const int mode = xd->mode_info_context->mbmi.interintra_uv_mode;
|
|
vp9_build_intra_predictors(xd->dst.u_buffer, xd->dst.uv_stride,
|
|
uintrapredictor, 32, mode, 32, 32,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
vp9_build_intra_predictors(xd->dst.v_buffer, xd->dst.uv_stride,
|
|
vintrapredictor, 32, mode, 32, 32,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
|
|
upred, uvstride, uintrapredictor, 32, 32);
|
|
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
|
|
vpred, uvstride, vintrapredictor, 32, 32);
|
|
}
|
|
|
|
void vp9_build_interintra_64x64_predictors_sb(MACROBLOCKD *xd,
|
|
uint8_t *ypred,
|
|
uint8_t *upred,
|
|
uint8_t *vpred,
|
|
int ystride,
|
|
int uvstride) {
|
|
vp9_build_interintra_64x64_predictors_sby(xd, ypred, ystride);
|
|
vp9_build_interintra_64x64_predictors_sbuv(xd, upred, vpred, uvstride);
|
|
}
|
|
#endif // CONFIG_COMP_INTERINTRA_PRED
|
|
|
|
void vp9_build_intra_predictors_sby_s(MACROBLOCKD *xd,
|
|
BLOCK_SIZE_TYPE bsize) {
|
|
const int bwl = b_width_log2(bsize), bw = 4 << bwl;
|
|
const int bhl = b_height_log2(bsize), bh = 4 << bhl;
|
|
|
|
vp9_build_intra_predictors(xd->dst.y_buffer, xd->dst.y_stride,
|
|
xd->dst.y_buffer, xd->dst.y_stride,
|
|
xd->mode_info_context->mbmi.mode,
|
|
bw, bh,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
}
|
|
|
|
void vp9_build_intra_predictors_sbuv_s(MACROBLOCKD *xd,
|
|
BLOCK_SIZE_TYPE bsize) {
|
|
const int bwl = b_width_log2(bsize) - 1, bw = 4 << bwl;
|
|
const int bhl = b_height_log2(bsize) - 1, bh = 4 << bhl;
|
|
|
|
vp9_build_intra_predictors(xd->dst.u_buffer, xd->dst.uv_stride,
|
|
xd->dst.u_buffer, xd->dst.uv_stride,
|
|
xd->mode_info_context->mbmi.uv_mode,
|
|
bw, bh, xd->up_available,
|
|
xd->left_available, xd->right_available);
|
|
vp9_build_intra_predictors(xd->dst.v_buffer, xd->dst.uv_stride,
|
|
xd->dst.v_buffer, xd->dst.uv_stride,
|
|
xd->mode_info_context->mbmi.uv_mode,
|
|
bw, bh, xd->up_available,
|
|
xd->left_available, xd->right_available);
|
|
}
|
|
|
|
// TODO(jingning): merge mby and mbuv into the above sby and sbmu functions
|
|
void vp9_build_intra_predictors_mby(MACROBLOCKD *xd) {
|
|
vp9_build_intra_predictors(xd->dst.y_buffer, xd->dst.y_stride,
|
|
xd->predictor, 16,
|
|
xd->mode_info_context->mbmi.mode,
|
|
16, 16,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
}
|
|
|
|
void vp9_build_intra_predictors_mbuv_internal(MACROBLOCKD *xd,
|
|
uint8_t *upred_ptr,
|
|
uint8_t *vpred_ptr,
|
|
int uv_stride,
|
|
int mode, int bsize) {
|
|
vp9_build_intra_predictors(xd->dst.u_buffer, xd->dst.uv_stride,
|
|
upred_ptr, uv_stride, mode,
|
|
bsize, bsize,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
vp9_build_intra_predictors(xd->dst.v_buffer, xd->dst.uv_stride,
|
|
vpred_ptr, uv_stride, mode,
|
|
bsize, bsize,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
}
|
|
|
|
void vp9_build_intra_predictors_mbuv(MACROBLOCKD *xd) {
|
|
vp9_build_intra_predictors_mbuv_internal(xd, &xd->predictor[256],
|
|
&xd->predictor[320], 8,
|
|
xd->mode_info_context->mbmi.uv_mode,
|
|
8);
|
|
}
|
|
|
|
void vp9_intra8x8_predict(MACROBLOCKD *xd,
|
|
BLOCKD *b,
|
|
int mode,
|
|
uint8_t *predictor, int pre_stride) {
|
|
const int block4x4_idx = (b - xd->block);
|
|
const int block_idx = (block4x4_idx >> 2) | !!(block4x4_idx & 2);
|
|
const int have_top = (block_idx >> 1) || xd->up_available;
|
|
const int have_left = (block_idx & 1) || xd->left_available;
|
|
const int have_right = !(block_idx & 1) || xd->right_available;
|
|
|
|
vp9_build_intra_predictors(*(b->base_dst) + b->dst,
|
|
b->dst_stride, predictor, pre_stride,
|
|
mode, 8, 8, have_top, have_left,
|
|
have_right);
|
|
}
|
|
|
|
void vp9_intra_uv4x4_predict(MACROBLOCKD *xd,
|
|
BLOCKD *b,
|
|
int mode,
|
|
uint8_t *predictor, int pre_stride) {
|
|
const int block_idx = (b - xd->block) & 3;
|
|
const int have_top = (block_idx >> 1) || xd->up_available;
|
|
const int have_left = (block_idx & 1) || xd->left_available;
|
|
const int have_right = !(block_idx & 1) || xd->right_available;
|
|
|
|
vp9_build_intra_predictors(*(b->base_dst) + b->dst,
|
|
b->dst_stride, predictor, pre_stride,
|
|
mode, 4, 4, have_top, have_left,
|
|
have_right);
|
|
}
|
|
|
|
/* TODO: try different ways of use Y-UV mode correlation
|
|
Current code assumes that a uv 4x4 block use same mode
|
|
as corresponding Y 8x8 area
|
|
*/
|