446 lines
16 KiB
C
446 lines
16 KiB
C
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/*
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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_config.h"
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#include "./vpx_dsp_rtcd.h"
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#if CONFIG_VP9_HIGHBITDEPTH
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#include "vpx_dsp/vpx_dsp_common.h"
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#endif // CONFIG_VP9_HIGHBITDEPTH
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#include "vpx_mem/vpx_mem.h"
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#include "vpx_ports/mem.h"
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#include "vpx_ports/vpx_once.h"
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#include "vp9/common/vp9_reconintra.h"
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#include "vp9/common/vp9_onyxc_int.h"
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const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = {
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DCT_DCT, // DC
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ADST_DCT, // V
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DCT_ADST, // H
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DCT_DCT, // D45
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ADST_ADST, // D135
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ADST_DCT, // D117
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DCT_ADST, // D153
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DCT_ADST, // D207
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ADST_DCT, // D63
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ADST_ADST, // TM
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};
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enum {
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NEED_LEFT = 1 << 1,
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NEED_ABOVE = 1 << 2,
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NEED_ABOVERIGHT = 1 << 3,
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};
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static const uint8_t extend_modes[INTRA_MODES] = {
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NEED_ABOVE | NEED_LEFT, // DC
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NEED_ABOVE, // V
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NEED_LEFT, // H
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NEED_ABOVERIGHT, // D45
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NEED_LEFT | NEED_ABOVE, // D135
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NEED_LEFT | NEED_ABOVE, // D117
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NEED_LEFT | NEED_ABOVE, // D153
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NEED_LEFT, // D207
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NEED_ABOVERIGHT, // D63
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NEED_LEFT | NEED_ABOVE, // TM
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};
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typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
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const uint8_t *above, const uint8_t *left);
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static intra_pred_fn pred[INTRA_MODES][TX_SIZES];
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static intra_pred_fn dc_pred[2][2][TX_SIZES];
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#if CONFIG_VP9_HIGHBITDEPTH
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typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
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const uint16_t *above, const uint16_t *left,
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int bd);
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static intra_high_pred_fn pred_high[INTRA_MODES][4];
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static intra_high_pred_fn dc_pred_high[2][2][4];
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#endif // CONFIG_VP9_HIGHBITDEPTH
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static void vp9_init_intra_predictors_internal(void) {
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#define INIT_ALL_SIZES(p, type) \
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p[TX_4X4] = vpx_##type##_predictor_4x4; \
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p[TX_8X8] = vpx_##type##_predictor_8x8; \
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p[TX_16X16] = vpx_##type##_predictor_16x16; \
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p[TX_32X32] = vpx_##type##_predictor_32x32
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INIT_ALL_SIZES(pred[V_PRED], v);
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INIT_ALL_SIZES(pred[H_PRED], h);
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INIT_ALL_SIZES(pred[D207_PRED], d207);
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INIT_ALL_SIZES(pred[D45_PRED], d45);
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INIT_ALL_SIZES(pred[D63_PRED], d63);
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INIT_ALL_SIZES(pred[D117_PRED], d117);
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INIT_ALL_SIZES(pred[D135_PRED], d135);
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INIT_ALL_SIZES(pred[D153_PRED], d153);
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INIT_ALL_SIZES(pred[TM_PRED], tm);
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INIT_ALL_SIZES(dc_pred[0][0], dc_128);
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INIT_ALL_SIZES(dc_pred[0][1], dc_top);
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INIT_ALL_SIZES(dc_pred[1][0], dc_left);
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INIT_ALL_SIZES(dc_pred[1][1], dc);
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#if CONFIG_VP9_HIGHBITDEPTH
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INIT_ALL_SIZES(pred_high[V_PRED], highbd_v);
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INIT_ALL_SIZES(pred_high[H_PRED], highbd_h);
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INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207);
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INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45);
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INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63);
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INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117);
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INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135);
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INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153);
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INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm);
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INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128);
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INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top);
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INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left);
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INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc);
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#endif // CONFIG_VP9_HIGHBITDEPTH
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#undef intra_pred_allsizes
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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static void build_intra_predictors_high(const MACROBLOCKD *xd,
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const uint8_t *ref8,
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int ref_stride,
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uint8_t *dst8,
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int dst_stride,
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PREDICTION_MODE mode,
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TX_SIZE tx_size,
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int up_available,
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int left_available,
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int right_available,
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int x, int y,
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int plane, int bd) {
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int i;
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uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
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uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
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DECLARE_ALIGNED(16, uint16_t, left_col[32]);
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DECLARE_ALIGNED(16, uint16_t, above_data[64 + 16]);
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uint16_t *above_row = above_data + 16;
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const uint16_t *const_above_row = above_row;
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const int bs = 4 << tx_size;
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int frame_width, frame_height;
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int x0, y0;
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const struct macroblockd_plane *const pd = &xd->plane[plane];
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const int need_left = extend_modes[mode] & NEED_LEFT;
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const int need_above = extend_modes[mode] & NEED_ABOVE;
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const int need_aboveright = extend_modes[mode] & NEED_ABOVERIGHT;
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int base = 128 << (bd - 8);
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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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// For 10 bit and 12 bit, 127 and 129 are replaced by base -1 and base + 1.
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// Get current frame pointer, width and height.
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if (plane == 0) {
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frame_width = xd->cur_buf->y_width;
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frame_height = xd->cur_buf->y_height;
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} else {
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frame_width = xd->cur_buf->uv_width;
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frame_height = xd->cur_buf->uv_height;
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}
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// Get block position in current frame.
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x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x;
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y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y;
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// NEED_LEFT
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if (need_left) {
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if (left_available) {
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if (xd->mb_to_bottom_edge < 0) {
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/* slower path if the block needs border extension */
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if (y0 + bs <= frame_height) {
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for (i = 0; i < bs; ++i)
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left_col[i] = ref[i * ref_stride - 1];
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} else {
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const int extend_bottom = frame_height - y0;
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for (i = 0; i < extend_bottom; ++i)
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left_col[i] = ref[i * ref_stride - 1];
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for (; i < bs; ++i)
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left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1];
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}
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} else {
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/* faster path if the block does not need extension */
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for (i = 0; i < bs; ++i)
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left_col[i] = ref[i * ref_stride - 1];
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}
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} else {
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vpx_memset16(left_col, base + 1, bs);
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}
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}
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// NEED_ABOVE
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if (need_above) {
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if (up_available) {
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const uint16_t *above_ref = ref - ref_stride;
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if (xd->mb_to_right_edge < 0) {
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/* slower path if the block needs border extension */
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if (x0 + bs <= frame_width) {
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memcpy(above_row, above_ref, bs * sizeof(above_row[0]));
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} else if (x0 <= frame_width) {
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const int r = frame_width - x0;
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memcpy(above_row, above_ref, r * sizeof(above_row[0]));
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vpx_memset16(above_row + r, above_row[r - 1], x0 + bs - frame_width);
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}
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} else {
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/* faster path if the block does not need extension */
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if (bs == 4 && right_available && left_available) {
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const_above_row = above_ref;
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} else {
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memcpy(above_row, above_ref, bs * sizeof(above_row[0]));
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}
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}
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above_row[-1] = left_available ? above_ref[-1] : (base + 1);
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} else {
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vpx_memset16(above_row, base - 1, bs);
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above_row[-1] = base - 1;
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}
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}
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// NEED_ABOVERIGHT
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if (need_aboveright) {
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if (up_available) {
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const uint16_t *above_ref = ref - ref_stride;
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if (xd->mb_to_right_edge < 0) {
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/* slower path if the block needs border extension */
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if (x0 + 2 * bs <= frame_width) {
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if (right_available && bs == 4) {
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memcpy(above_row, above_ref, 2 * bs * sizeof(above_row[0]));
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} else {
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memcpy(above_row, above_ref, bs * sizeof(above_row[0]));
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vpx_memset16(above_row + bs, above_row[bs - 1], bs);
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}
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} else if (x0 + bs <= frame_width) {
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const int r = frame_width - x0;
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if (right_available && bs == 4) {
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memcpy(above_row, above_ref, r * sizeof(above_row[0]));
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vpx_memset16(above_row + r, above_row[r - 1],
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x0 + 2 * bs - frame_width);
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} else {
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memcpy(above_row, above_ref, bs * sizeof(above_row[0]));
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vpx_memset16(above_row + bs, above_row[bs - 1], bs);
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}
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} else if (x0 <= frame_width) {
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const int r = frame_width - x0;
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memcpy(above_row, above_ref, r * sizeof(above_row[0]));
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vpx_memset16(above_row + r, above_row[r - 1],
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x0 + 2 * bs - frame_width);
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}
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above_row[-1] = left_available ? above_ref[-1] : (base + 1);
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} else {
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/* faster path if the block does not need extension */
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if (bs == 4 && right_available && left_available) {
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const_above_row = above_ref;
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} else {
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memcpy(above_row, above_ref, bs * sizeof(above_row[0]));
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if (bs == 4 && right_available)
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memcpy(above_row + bs, above_ref + bs, bs * sizeof(above_row[0]));
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else
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vpx_memset16(above_row + bs, above_row[bs - 1], bs);
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above_row[-1] = left_available ? above_ref[-1] : (base + 1);
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}
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}
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} else {
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vpx_memset16(above_row, base - 1, bs * 2);
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above_row[-1] = base - 1;
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}
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}
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// predict
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if (mode == DC_PRED) {
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dc_pred_high[left_available][up_available][tx_size](dst, dst_stride,
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const_above_row,
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left_col, xd->bd);
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} else {
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pred_high[mode][tx_size](dst, dst_stride, const_above_row, left_col,
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xd->bd);
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}
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref,
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int ref_stride, uint8_t *dst, int dst_stride,
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PREDICTION_MODE mode, TX_SIZE tx_size,
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int up_available, int left_available,
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int right_available, int x, int y,
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int plane) {
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int i;
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DECLARE_ALIGNED(16, uint8_t, left_col[32]);
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DECLARE_ALIGNED(16, uint8_t, above_data[64 + 16]);
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uint8_t *above_row = above_data + 16;
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const uint8_t *const_above_row = above_row;
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const int bs = 4 << tx_size;
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int frame_width, frame_height;
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int x0, y0;
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const struct macroblockd_plane *const pd = &xd->plane[plane];
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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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// Get current frame pointer, width and height.
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if (plane == 0) {
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frame_width = xd->cur_buf->y_width;
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frame_height = xd->cur_buf->y_height;
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} else {
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frame_width = xd->cur_buf->uv_width;
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frame_height = xd->cur_buf->uv_height;
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}
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// Get block position in current frame.
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x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x;
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y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y;
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// NEED_LEFT
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if (extend_modes[mode] & NEED_LEFT) {
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if (left_available) {
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if (xd->mb_to_bottom_edge < 0) {
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/* slower path if the block needs border extension */
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if (y0 + bs <= frame_height) {
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for (i = 0; i < bs; ++i)
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left_col[i] = ref[i * ref_stride - 1];
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} else {
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const int extend_bottom = frame_height - y0;
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for (i = 0; i < extend_bottom; ++i)
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left_col[i] = ref[i * ref_stride - 1];
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for (; i < bs; ++i)
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left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1];
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}
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|
} else {
|
||
|
|
/* faster path if the block does not need extension */
|
||
|
|
for (i = 0; i < bs; ++i)
|
||
|
|
left_col[i] = ref[i * ref_stride - 1];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
memset(left_col, 129, bs);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// NEED_ABOVE
|
||
|
|
if (extend_modes[mode] & NEED_ABOVE) {
|
||
|
|
if (up_available) {
|
||
|
|
const uint8_t *above_ref = ref - ref_stride;
|
||
|
|
if (xd->mb_to_right_edge < 0) {
|
||
|
|
/* slower path if the block needs border extension */
|
||
|
|
if (x0 + bs <= frame_width) {
|
||
|
|
memcpy(above_row, above_ref, bs);
|
||
|
|
} else if (x0 <= frame_width) {
|
||
|
|
const int r = frame_width - x0;
|
||
|
|
memcpy(above_row, above_ref, r);
|
||
|
|
memset(above_row + r, above_row[r - 1], x0 + bs - frame_width);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* faster path if the block does not need extension */
|
||
|
|
if (bs == 4 && right_available && left_available) {
|
||
|
|
const_above_row = above_ref;
|
||
|
|
} else {
|
||
|
|
memcpy(above_row, above_ref, bs);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
above_row[-1] = left_available ? above_ref[-1] : 129;
|
||
|
|
} else {
|
||
|
|
memset(above_row, 127, bs);
|
||
|
|
above_row[-1] = 127;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// NEED_ABOVERIGHT
|
||
|
|
if (extend_modes[mode] & NEED_ABOVERIGHT) {
|
||
|
|
if (up_available) {
|
||
|
|
const uint8_t *above_ref = ref - ref_stride;
|
||
|
|
if (xd->mb_to_right_edge < 0) {
|
||
|
|
/* slower path if the block needs border extension */
|
||
|
|
if (x0 + 2 * bs <= frame_width) {
|
||
|
|
if (right_available && bs == 4) {
|
||
|
|
memcpy(above_row, above_ref, 2 * bs);
|
||
|
|
} else {
|
||
|
|
memcpy(above_row, above_ref, bs);
|
||
|
|
memset(above_row + bs, above_row[bs - 1], bs);
|
||
|
|
}
|
||
|
|
} else if (x0 + bs <= frame_width) {
|
||
|
|
const int r = frame_width - x0;
|
||
|
|
if (right_available && bs == 4) {
|
||
|
|
memcpy(above_row, above_ref, r);
|
||
|
|
memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width);
|
||
|
|
} else {
|
||
|
|
memcpy(above_row, above_ref, bs);
|
||
|
|
memset(above_row + bs, above_row[bs - 1], bs);
|
||
|
|
}
|
||
|
|
} else if (x0 <= frame_width) {
|
||
|
|
const int r = frame_width - x0;
|
||
|
|
memcpy(above_row, above_ref, r);
|
||
|
|
memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* faster path if the block does not need extension */
|
||
|
|
if (bs == 4 && right_available && left_available) {
|
||
|
|
const_above_row = above_ref;
|
||
|
|
} else {
|
||
|
|
memcpy(above_row, above_ref, bs);
|
||
|
|
if (bs == 4 && right_available)
|
||
|
|
memcpy(above_row + bs, above_ref + bs, bs);
|
||
|
|
else
|
||
|
|
memset(above_row + bs, above_row[bs - 1], bs);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
above_row[-1] = left_available ? above_ref[-1] : 129;
|
||
|
|
} else {
|
||
|
|
memset(above_row, 127, bs * 2);
|
||
|
|
above_row[-1] = 127;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// predict
|
||
|
|
if (mode == DC_PRED) {
|
||
|
|
dc_pred[left_available][up_available][tx_size](dst, dst_stride,
|
||
|
|
const_above_row, left_col);
|
||
|
|
} else {
|
||
|
|
pred[mode][tx_size](dst, dst_stride, const_above_row, left_col);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void vp9_predict_intra_block(const MACROBLOCKD *xd, int bwl_in,
|
||
|
|
TX_SIZE tx_size, PREDICTION_MODE mode,
|
||
|
|
const uint8_t *ref, int ref_stride,
|
||
|
|
uint8_t *dst, int dst_stride,
|
||
|
|
int aoff, int loff, int plane) {
|
||
|
|
const int bw = (1 << bwl_in);
|
||
|
|
const int txw = (1 << tx_size);
|
||
|
|
const int have_top = loff || (xd->above_mi != NULL);
|
||
|
|
const int have_left = aoff || (xd->left_mi != NULL);
|
||
|
|
const int have_right = (aoff + txw) < bw;
|
||
|
|
const int x = aoff * 4;
|
||
|
|
const int y = loff * 4;
|
||
|
|
|
||
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
||
|
|
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
|
||
|
|
build_intra_predictors_high(xd, ref, ref_stride, dst, dst_stride, mode,
|
||
|
|
tx_size, have_top, have_left, have_right,
|
||
|
|
x, y, plane, xd->bd);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size,
|
||
|
|
have_top, have_left, have_right, x, y, plane);
|
||
|
|
}
|
||
|
|
|
||
|
|
void vp9_init_intra_predictors(void) {
|
||
|
|
once(vp9_init_intra_predictors_internal);
|
||
|
|
}
|