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a52484c104
Update our in-tree libvpx code to upstream master from September 25. This includes a work-around added to skip neon intrinsics which android toolchains fail to compile properly. See bug 1087096. Results of running ./update.py --ndk ~/android/android-ndk-r9 --commit 587ff646f
765 lines
27 KiB
C
765 lines
27 KiB
C
/*
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* Copyright (c) 2014 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 <assert.h>
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#include <limits.h>
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#include <math.h>
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#include <stdio.h>
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#include "./vp9_rtcd.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vp9/common/vp9_blockd.h"
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#include "vp9/common/vp9_common.h"
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#include "vp9/common/vp9_mvref_common.h"
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#include "vp9/common/vp9_reconinter.h"
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#include "vp9/common/vp9_reconintra.h"
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#include "vp9/encoder/vp9_encoder.h"
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#include "vp9/encoder/vp9_pickmode.h"
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#include "vp9/encoder/vp9_ratectrl.h"
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#include "vp9/encoder/vp9_rd.h"
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typedef struct {
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uint8_t *data;
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int stride;
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int in_use;
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} PRED_BUFFER;
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static int mv_refs_rt(const VP9_COMMON *cm, const MACROBLOCKD *xd,
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const TileInfo *const tile,
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MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame,
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int_mv *mv_ref_list,
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int mi_row, int mi_col) {
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const int *ref_sign_bias = cm->ref_frame_sign_bias;
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int i, refmv_count = 0;
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const POSITION *const mv_ref_search = mv_ref_blocks[mi->mbmi.sb_type];
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int different_ref_found = 0;
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int context_counter = 0;
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int const_motion = 0;
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// Blank the reference vector list
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vpx_memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES);
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// The nearest 2 blocks are treated differently
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// if the size < 8x8 we get the mv from the bmi substructure,
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// and we also need to keep a mode count.
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for (i = 0; i < 2; ++i) {
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const POSITION *const mv_ref = &mv_ref_search[i];
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if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) {
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const MODE_INFO *const candidate_mi = xd->mi[mv_ref->col + mv_ref->row *
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xd->mi_stride].src_mi;
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const MB_MODE_INFO *const candidate = &candidate_mi->mbmi;
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// Keep counts for entropy encoding.
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context_counter += mode_2_counter[candidate->mode];
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different_ref_found = 1;
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if (candidate->ref_frame[0] == ref_frame)
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ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, -1));
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}
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}
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const_motion = 1;
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// Check the rest of the neighbors in much the same way
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// as before except we don't need to keep track of sub blocks or
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// mode counts.
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for (; i < MVREF_NEIGHBOURS && !refmv_count; ++i) {
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const POSITION *const mv_ref = &mv_ref_search[i];
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if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) {
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const MB_MODE_INFO *const candidate = &xd->mi[mv_ref->col + mv_ref->row *
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xd->mi_stride].src_mi->mbmi;
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different_ref_found = 1;
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if (candidate->ref_frame[0] == ref_frame)
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ADD_MV_REF_LIST(candidate->mv[0]);
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}
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}
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// Since we couldn't find 2 mvs from the same reference frame
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// go back through the neighbors and find motion vectors from
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// different reference frames.
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if (different_ref_found && !refmv_count) {
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for (i = 0; i < MVREF_NEIGHBOURS; ++i) {
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const POSITION *mv_ref = &mv_ref_search[i];
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if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) {
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const MB_MODE_INFO *const candidate = &xd->mi[mv_ref->col + mv_ref->row
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* xd->mi_stride].src_mi->mbmi;
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// If the candidate is INTRA we don't want to consider its mv.
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IF_DIFF_REF_FRAME_ADD_MV(candidate);
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}
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}
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}
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Done:
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mi->mbmi.mode_context[ref_frame] = counter_to_context[context_counter];
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// Clamp vectors
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for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i)
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clamp_mv_ref(&mv_ref_list[i].as_mv, xd);
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return const_motion;
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}
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static int combined_motion_search(VP9_COMP *cpi, MACROBLOCK *x,
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BLOCK_SIZE bsize, int mi_row, int mi_col,
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int_mv *tmp_mv, int *rate_mv,
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int64_t best_rd_sofar) {
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MACROBLOCKD *xd = &x->e_mbd;
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MB_MODE_INFO *mbmi = &xd->mi[0].src_mi->mbmi;
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struct buf_2d backup_yv12[MAX_MB_PLANE] = {{0, 0}};
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const int step_param = cpi->sf.mv.fullpel_search_step_param;
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const int sadpb = x->sadperbit16;
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MV mvp_full;
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const int ref = mbmi->ref_frame[0];
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const MV ref_mv = mbmi->ref_mvs[ref][0].as_mv;
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int dis;
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int rate_mode;
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const int tmp_col_min = x->mv_col_min;
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const int tmp_col_max = x->mv_col_max;
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const int tmp_row_min = x->mv_row_min;
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const int tmp_row_max = x->mv_row_max;
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int rv = 0;
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int sad_list[5];
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const YV12_BUFFER_CONFIG *scaled_ref_frame = vp9_get_scaled_ref_frame(cpi,
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ref);
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if (cpi->common.show_frame &&
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(x->pred_mv_sad[ref] >> 3) > x->pred_mv_sad[LAST_FRAME])
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return rv;
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if (scaled_ref_frame) {
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int i;
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// Swap out the reference frame for a version that's been scaled to
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// match the resolution of the current frame, allowing the existing
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// motion search code to be used without additional modifications.
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for (i = 0; i < MAX_MB_PLANE; i++)
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backup_yv12[i] = xd->plane[i].pre[0];
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vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL);
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}
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vp9_set_mv_search_range(x, &ref_mv);
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assert(x->mv_best_ref_index[ref] <= 2);
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if (x->mv_best_ref_index[ref] < 2)
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mvp_full = mbmi->ref_mvs[ref][x->mv_best_ref_index[ref]].as_mv;
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else
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mvp_full = x->pred_mv[ref];
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mvp_full.col >>= 3;
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mvp_full.row >>= 3;
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vp9_full_pixel_search(cpi, x, bsize, &mvp_full, step_param, sadpb,
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cond_sad_list(cpi, sad_list),
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&ref_mv, &tmp_mv->as_mv, INT_MAX, 0);
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x->mv_col_min = tmp_col_min;
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x->mv_col_max = tmp_col_max;
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x->mv_row_min = tmp_row_min;
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x->mv_row_max = tmp_row_max;
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// calculate the bit cost on motion vector
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mvp_full.row = tmp_mv->as_mv.row * 8;
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mvp_full.col = tmp_mv->as_mv.col * 8;
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*rate_mv = vp9_mv_bit_cost(&mvp_full, &ref_mv,
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x->nmvjointcost, x->mvcost, MV_COST_WEIGHT);
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rate_mode = cpi->inter_mode_cost[mbmi->mode_context[ref]]
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[INTER_OFFSET(NEWMV)];
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rv = !(RDCOST(x->rdmult, x->rddiv, (*rate_mv + rate_mode), 0) >
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best_rd_sofar);
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if (rv) {
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cpi->find_fractional_mv_step(x, &tmp_mv->as_mv, &ref_mv,
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cpi->common.allow_high_precision_mv,
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x->errorperbit,
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&cpi->fn_ptr[bsize],
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cpi->sf.mv.subpel_force_stop,
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cpi->sf.mv.subpel_iters_per_step,
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cond_sad_list(cpi, sad_list),
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x->nmvjointcost, x->mvcost,
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&dis, &x->pred_sse[ref], NULL, 0, 0);
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x->pred_mv[ref] = tmp_mv->as_mv;
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}
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if (scaled_ref_frame) {
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int i;
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for (i = 0; i < MAX_MB_PLANE; i++)
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xd->plane[i].pre[0] = backup_yv12[i];
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}
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return rv;
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}
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static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize,
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MACROBLOCK *x, MACROBLOCKD *xd,
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int *out_rate_sum, int64_t *out_dist_sum,
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unsigned int *var_y, unsigned int *sse_y) {
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// Note our transform coeffs are 8 times an orthogonal transform.
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// Hence quantizer step is also 8 times. To get effective quantizer
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// we need to divide by 8 before sending to modeling function.
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unsigned int sse;
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int rate;
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int64_t dist;
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struct macroblock_plane *const p = &x->plane[0];
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struct macroblockd_plane *const pd = &xd->plane[0];
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const uint32_t dc_quant = pd->dequant[0];
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const uint32_t ac_quant = pd->dequant[1];
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unsigned int var = cpi->fn_ptr[bsize].vf(p->src.buf, p->src.stride,
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pd->dst.buf, pd->dst.stride, &sse);
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*var_y = var;
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*sse_y = sse;
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if (sse < dc_quant * dc_quant >> 6)
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x->skip_txfm[0] = 1;
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else if (var < ac_quant * ac_quant >> 6)
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x->skip_txfm[0] = 2;
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else
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x->skip_txfm[0] = 0;
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if (cpi->common.tx_mode == TX_MODE_SELECT) {
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if (sse > (var << 2))
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xd->mi[0].src_mi->mbmi.tx_size =
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MIN(max_txsize_lookup[bsize],
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tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
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else
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xd->mi[0].src_mi->mbmi.tx_size = TX_8X8;
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} else {
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xd->mi[0].src_mi->mbmi.tx_size =
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MIN(max_txsize_lookup[bsize],
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tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
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}
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vp9_model_rd_from_var_lapndz(sse - var, 1 << num_pels_log2_lookup[bsize],
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dc_quant >> 3, &rate, &dist);
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*out_rate_sum = rate >> 1;
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*out_dist_sum = dist << 3;
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vp9_model_rd_from_var_lapndz(var, 1 << num_pels_log2_lookup[bsize],
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ac_quant >> 3, &rate, &dist);
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*out_rate_sum += rate;
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*out_dist_sum += dist << 4;
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}
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static int get_pred_buffer(PRED_BUFFER *p, int len) {
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int i;
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for (i = 0; i < len; i++) {
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if (!p[i].in_use) {
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p[i].in_use = 1;
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return i;
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}
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}
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return -1;
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}
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static void free_pred_buffer(PRED_BUFFER *p) {
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if (p != NULL)
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p->in_use = 0;
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}
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static void encode_breakout_test(VP9_COMP *cpi, MACROBLOCK *x,
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BLOCK_SIZE bsize, int mi_row, int mi_col,
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MV_REFERENCE_FRAME ref_frame,
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PREDICTION_MODE this_mode,
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unsigned int var_y, unsigned int sse_y,
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struct buf_2d yv12_mb[][MAX_MB_PLANE],
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int *rate, int64_t *dist) {
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MACROBLOCKD *xd = &x->e_mbd;
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MB_MODE_INFO *mbmi = &xd->mi[0].src_mi->mbmi;
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const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]);
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unsigned int var = var_y, sse = sse_y;
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// Skipping threshold for ac.
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unsigned int thresh_ac;
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// Skipping threshold for dc.
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unsigned int thresh_dc;
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if (x->encode_breakout > 0) {
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// Set a maximum for threshold to avoid big PSNR loss in low bit rate
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// case. Use extreme low threshold for static frames to limit
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// skipping.
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const unsigned int max_thresh = 36000;
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// The encode_breakout input
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const unsigned int min_thresh =
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MIN(((unsigned int)x->encode_breakout << 4), max_thresh);
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// Calculate threshold according to dequant value.
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thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) / 9;
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thresh_ac = clamp(thresh_ac, min_thresh, max_thresh);
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// Adjust ac threshold according to partition size.
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thresh_ac >>=
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8 - (b_width_log2(bsize) + b_height_log2(bsize));
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thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6);
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} else {
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thresh_ac = 0;
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thresh_dc = 0;
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}
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// Y skipping condition checking for ac and dc.
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if (var <= thresh_ac && (sse - var) <= thresh_dc) {
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unsigned int sse_u, sse_v;
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unsigned int var_u, var_v;
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// Skip UV prediction unless breakout is zero (lossless) to save
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// computation with low impact on the result
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if (x->encode_breakout == 0) {
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xd->plane[1].pre[0] = yv12_mb[ref_frame][1];
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xd->plane[2].pre[0] = yv12_mb[ref_frame][2];
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vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, bsize);
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}
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var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf,
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x->plane[1].src.stride,
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xd->plane[1].dst.buf,
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xd->plane[1].dst.stride, &sse_u);
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// U skipping condition checking
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if ((var_u * 4 <= thresh_ac) && (sse_u - var_u <= thresh_dc)) {
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var_v = cpi->fn_ptr[uv_size].vf(x->plane[2].src.buf,
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x->plane[2].src.stride,
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xd->plane[2].dst.buf,
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xd->plane[2].dst.stride, &sse_v);
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// V skipping condition checking
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if ((var_v * 4 <= thresh_ac) && (sse_v - var_v <= thresh_dc)) {
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x->skip = 1;
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// The cost of skip bit needs to be added.
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*rate = cpi->inter_mode_cost[mbmi->mode_context[ref_frame]]
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[INTER_OFFSET(this_mode)];
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// More on this part of rate
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// rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
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// Scaling factor for SSE from spatial domain to frequency
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// domain is 16. Adjust distortion accordingly.
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// TODO(yunqingwang): In this function, only y-plane dist is
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// calculated.
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*dist = (sse << 4); // + ((sse_u + sse_v) << 4);
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// *disable_skip = 1;
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}
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}
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}
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}
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struct estimate_block_intra_args {
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VP9_COMP *cpi;
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MACROBLOCK *x;
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PREDICTION_MODE mode;
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int rate;
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int64_t dist;
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};
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static void estimate_block_intra(int plane, int block, BLOCK_SIZE plane_bsize,
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TX_SIZE tx_size, void *arg) {
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struct estimate_block_intra_args* const args = arg;
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VP9_COMP *const cpi = args->cpi;
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MACROBLOCK *const x = args->x;
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MACROBLOCKD *const xd = &x->e_mbd;
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struct macroblock_plane *const p = &x->plane[0];
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struct macroblockd_plane *const pd = &xd->plane[0];
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const BLOCK_SIZE bsize_tx = txsize_to_bsize[tx_size];
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uint8_t *const src_buf_base = p->src.buf;
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uint8_t *const dst_buf_base = pd->dst.buf;
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const int src_stride = p->src.stride;
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const int dst_stride = pd->dst.stride;
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int i, j;
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int rate;
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int64_t dist;
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unsigned int var_y, sse_y;
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txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
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assert(plane == 0);
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(void) plane;
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p->src.buf = &src_buf_base[4 * (j * src_stride + i)];
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pd->dst.buf = &dst_buf_base[4 * (j * dst_stride + i)];
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// Use source buffer as an approximation for the fully reconstructed buffer.
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vp9_predict_intra_block(xd, block >> (2 * tx_size),
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b_width_log2(plane_bsize),
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tx_size, args->mode,
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p->src.buf, src_stride,
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pd->dst.buf, dst_stride,
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i, j, 0);
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// This procedure assumes zero offset from p->src.buf and pd->dst.buf.
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model_rd_for_sb_y(cpi, bsize_tx, x, xd, &rate, &dist, &var_y, &sse_y);
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p->src.buf = src_buf_base;
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pd->dst.buf = dst_buf_base;
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args->rate += rate;
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args->dist += dist;
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}
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static const THR_MODES mode_idx[MAX_REF_FRAMES - 1][INTER_MODES] = {
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{THR_NEARESTMV, THR_NEARMV, THR_ZEROMV, THR_NEWMV},
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{THR_NEARESTG, THR_NEARG, THR_ZEROG, THR_NEWG},
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{THR_NEARESTA, THR_NEARA, THR_ZEROA, THR_NEWA},
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};
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// TODO(jingning) placeholder for inter-frame non-RD mode decision.
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// this needs various further optimizations. to be continued..
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void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
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const TileInfo *const tile,
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int mi_row, int mi_col,
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int *returnrate,
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int64_t *returndistortion,
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BLOCK_SIZE bsize,
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PICK_MODE_CONTEXT *ctx) {
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VP9_COMMON *const cm = &cpi->common;
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MACROBLOCKD *const xd = &x->e_mbd;
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MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
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|
struct macroblockd_plane *const pd = &xd->plane[0];
|
|
PREDICTION_MODE best_mode = ZEROMV;
|
|
MV_REFERENCE_FRAME ref_frame, best_ref_frame = LAST_FRAME;
|
|
TX_SIZE best_tx_size = MIN(max_txsize_lookup[bsize],
|
|
tx_mode_to_biggest_tx_size[cm->tx_mode]);
|
|
INTERP_FILTER best_pred_filter = EIGHTTAP;
|
|
int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES];
|
|
struct buf_2d yv12_mb[4][MAX_MB_PLANE];
|
|
static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG,
|
|
VP9_ALT_FLAG };
|
|
int64_t best_rd = INT64_MAX;
|
|
int64_t this_rd = INT64_MAX;
|
|
uint8_t skip_txfm = 0;
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|
int rate = INT_MAX;
|
|
int64_t dist = INT64_MAX;
|
|
// var_y and sse_y are saved to be used in skipping checking
|
|
unsigned int var_y = UINT_MAX;
|
|
unsigned int sse_y = UINT_MAX;
|
|
|
|
const int intra_cost_penalty =
|
|
20 * vp9_dc_quant(cm->base_qindex, cm->y_dc_delta_q, cm->bit_depth);
|
|
const int64_t inter_mode_thresh = RDCOST(x->rdmult, x->rddiv,
|
|
intra_cost_penalty, 0);
|
|
const int intra_mode_cost = 50;
|
|
|
|
const int8_t segment_id = mbmi->segment_id;
|
|
const int *const rd_threshes = cpi->rd.threshes[segment_id][bsize];
|
|
const int *const rd_thresh_freq_fact = cpi->rd.thresh_freq_fact[bsize];
|
|
INTERP_FILTER filter_ref = cm->interp_filter;
|
|
const int bsl = mi_width_log2(bsize);
|
|
const int pred_filter_search = cm->interp_filter == SWITCHABLE ?
|
|
(((mi_row + mi_col) >> bsl) +
|
|
get_chessboard_index(cm->current_video_frame)) & 0x1 : 0;
|
|
int const_motion[MAX_REF_FRAMES] = { 0 };
|
|
const int bh = num_4x4_blocks_high_lookup[bsize] << 2;
|
|
const int bw = num_4x4_blocks_wide_lookup[bsize] << 2;
|
|
// For speed 6, the result of interp filter is reused later in actual encoding
|
|
// process.
|
|
// tmp[3] points to dst buffer, and the other 3 point to allocated buffers.
|
|
PRED_BUFFER tmp[4];
|
|
DECLARE_ALIGNED_ARRAY(16, uint8_t, pred_buf, 3 * 64 * 64);
|
|
struct buf_2d orig_dst = pd->dst;
|
|
PRED_BUFFER *best_pred = NULL;
|
|
PRED_BUFFER *this_mode_pred = NULL;
|
|
|
|
if (cpi->sf.reuse_inter_pred_sby) {
|
|
int i;
|
|
for (i = 0; i < 3; i++) {
|
|
tmp[i].data = &pred_buf[bw * bh * i];
|
|
tmp[i].stride = bw;
|
|
tmp[i].in_use = 0;
|
|
}
|
|
tmp[3].data = pd->dst.buf;
|
|
tmp[3].stride = pd->dst.stride;
|
|
tmp[3].in_use = 0;
|
|
}
|
|
|
|
x->skip_encode = cpi->sf.skip_encode_frame && x->q_index < QIDX_SKIP_THRESH;
|
|
x->skip = 0;
|
|
|
|
// initialize mode decisions
|
|
*returnrate = INT_MAX;
|
|
*returndistortion = INT64_MAX;
|
|
vpx_memset(mbmi, 0, sizeof(MB_MODE_INFO));
|
|
mbmi->sb_type = bsize;
|
|
mbmi->ref_frame[0] = NONE;
|
|
mbmi->ref_frame[1] = NONE;
|
|
mbmi->tx_size = MIN(max_txsize_lookup[bsize],
|
|
tx_mode_to_biggest_tx_size[cm->tx_mode]);
|
|
mbmi->interp_filter = cm->interp_filter == SWITCHABLE ?
|
|
EIGHTTAP : cm->interp_filter;
|
|
mbmi->segment_id = segment_id;
|
|
|
|
for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
|
|
PREDICTION_MODE this_mode;
|
|
x->pred_mv_sad[ref_frame] = INT_MAX;
|
|
frame_mv[NEWMV][ref_frame].as_int = INVALID_MV;
|
|
frame_mv[ZEROMV][ref_frame].as_int = 0;
|
|
|
|
if (xd->up_available)
|
|
filter_ref = xd->mi[-xd->mi_stride].src_mi->mbmi.interp_filter;
|
|
else if (xd->left_available)
|
|
filter_ref = xd->mi[-1].src_mi->mbmi.interp_filter;
|
|
|
|
if (cpi->ref_frame_flags & flag_list[ref_frame]) {
|
|
const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame);
|
|
int_mv *const candidates = mbmi->ref_mvs[ref_frame];
|
|
const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf;
|
|
vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col,
|
|
sf, sf);
|
|
|
|
if (!cm->error_resilient_mode)
|
|
vp9_find_mv_refs(cm, xd, tile, xd->mi[0].src_mi, ref_frame,
|
|
candidates, mi_row, mi_col);
|
|
else
|
|
const_motion[ref_frame] = mv_refs_rt(cm, xd, tile, xd->mi[0].src_mi,
|
|
ref_frame, candidates,
|
|
mi_row, mi_col);
|
|
|
|
vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates,
|
|
&frame_mv[NEARESTMV][ref_frame],
|
|
&frame_mv[NEARMV][ref_frame]);
|
|
|
|
if (!vp9_is_scaled(sf) && bsize >= BLOCK_8X8)
|
|
vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride,
|
|
ref_frame, bsize);
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
// Select prediction reference frames.
|
|
xd->plane[0].pre[0] = yv12_mb[ref_frame][0];
|
|
|
|
clamp_mv2(&frame_mv[NEARESTMV][ref_frame].as_mv, xd);
|
|
clamp_mv2(&frame_mv[NEARMV][ref_frame].as_mv, xd);
|
|
|
|
mbmi->ref_frame[0] = ref_frame;
|
|
|
|
for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) {
|
|
int rate_mv = 0;
|
|
int mode_rd_thresh;
|
|
|
|
if (const_motion[ref_frame] &&
|
|
(this_mode == NEARMV || this_mode == ZEROMV))
|
|
continue;
|
|
|
|
if (!(cpi->sf.inter_mode_mask[bsize] & (1 << this_mode)))
|
|
continue;
|
|
|
|
mode_rd_thresh =
|
|
rd_threshes[mode_idx[ref_frame -
|
|
LAST_FRAME][INTER_OFFSET(this_mode)]];
|
|
if (rd_less_than_thresh(best_rd, mode_rd_thresh,
|
|
rd_thresh_freq_fact[this_mode]))
|
|
continue;
|
|
|
|
if (this_mode == NEWMV) {
|
|
if (this_rd < (int64_t)(1 << num_pels_log2_lookup[bsize]))
|
|
continue;
|
|
if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col,
|
|
&frame_mv[NEWMV][ref_frame],
|
|
&rate_mv, best_rd))
|
|
continue;
|
|
}
|
|
|
|
if (this_mode != NEARESTMV &&
|
|
frame_mv[this_mode][ref_frame].as_int ==
|
|
frame_mv[NEARESTMV][ref_frame].as_int)
|
|
continue;
|
|
|
|
mbmi->mode = this_mode;
|
|
mbmi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int;
|
|
|
|
// Search for the best prediction filter type, when the resulting
|
|
// motion vector is at sub-pixel accuracy level for luma component, i.e.,
|
|
// the last three bits are all zeros.
|
|
if (cpi->sf.reuse_inter_pred_sby) {
|
|
if (this_mode == NEARESTMV) {
|
|
this_mode_pred = &tmp[3];
|
|
} else {
|
|
this_mode_pred = &tmp[get_pred_buffer(tmp, 3)];
|
|
pd->dst.buf = this_mode_pred->data;
|
|
pd->dst.stride = bw;
|
|
}
|
|
}
|
|
|
|
if ((this_mode == NEWMV || filter_ref == SWITCHABLE) &&
|
|
pred_filter_search &&
|
|
((mbmi->mv[0].as_mv.row & 0x07) != 0 ||
|
|
(mbmi->mv[0].as_mv.col & 0x07) != 0)) {
|
|
int pf_rate[3];
|
|
int64_t pf_dist[3];
|
|
unsigned int pf_var[3];
|
|
unsigned int pf_sse[3];
|
|
TX_SIZE pf_tx_size[3];
|
|
int64_t best_cost = INT64_MAX;
|
|
INTERP_FILTER best_filter = SWITCHABLE, filter;
|
|
PRED_BUFFER *current_pred = this_mode_pred;
|
|
|
|
for (filter = EIGHTTAP; filter <= EIGHTTAP_SHARP; ++filter) {
|
|
int64_t cost;
|
|
mbmi->interp_filter = filter;
|
|
vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize);
|
|
model_rd_for_sb_y(cpi, bsize, x, xd, &pf_rate[filter],
|
|
&pf_dist[filter], &pf_var[filter], &pf_sse[filter]);
|
|
cost = RDCOST(x->rdmult, x->rddiv,
|
|
vp9_get_switchable_rate(cpi) + pf_rate[filter],
|
|
pf_dist[filter]);
|
|
pf_tx_size[filter] = mbmi->tx_size;
|
|
if (cost < best_cost) {
|
|
best_filter = filter;
|
|
best_cost = cost;
|
|
skip_txfm = x->skip_txfm[0];
|
|
|
|
if (cpi->sf.reuse_inter_pred_sby) {
|
|
if (this_mode_pred != current_pred) {
|
|
free_pred_buffer(this_mode_pred);
|
|
this_mode_pred = current_pred;
|
|
}
|
|
|
|
if (filter < EIGHTTAP_SHARP) {
|
|
current_pred = &tmp[get_pred_buffer(tmp, 3)];
|
|
pd->dst.buf = current_pred->data;
|
|
pd->dst.stride = bw;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cpi->sf.reuse_inter_pred_sby && this_mode_pred != current_pred)
|
|
free_pred_buffer(current_pred);
|
|
|
|
mbmi->interp_filter = best_filter;
|
|
mbmi->tx_size = pf_tx_size[mbmi->interp_filter];
|
|
rate = pf_rate[mbmi->interp_filter];
|
|
dist = pf_dist[mbmi->interp_filter];
|
|
var_y = pf_var[mbmi->interp_filter];
|
|
sse_y = pf_sse[mbmi->interp_filter];
|
|
x->skip_txfm[0] = skip_txfm;
|
|
} else {
|
|
mbmi->interp_filter = (filter_ref == SWITCHABLE) ? EIGHTTAP: filter_ref;
|
|
vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize);
|
|
model_rd_for_sb_y(cpi, bsize, x, xd, &rate, &dist, &var_y, &sse_y);
|
|
}
|
|
|
|
rate += rate_mv;
|
|
rate += cpi->inter_mode_cost[mbmi->mode_context[ref_frame]]
|
|
[INTER_OFFSET(this_mode)];
|
|
this_rd = RDCOST(x->rdmult, x->rddiv, rate, dist);
|
|
|
|
// Skipping checking: test to see if this block can be reconstructed by
|
|
// prediction only.
|
|
if (cpi->allow_encode_breakout) {
|
|
encode_breakout_test(cpi, x, bsize, mi_row, mi_col, ref_frame,
|
|
this_mode, var_y, sse_y, yv12_mb, &rate, &dist);
|
|
if (x->skip) {
|
|
rate += rate_mv;
|
|
this_rd = RDCOST(x->rdmult, x->rddiv, rate, dist);
|
|
}
|
|
}
|
|
|
|
#if CONFIG_VP9_TEMPORAL_DENOISING
|
|
if (cpi->oxcf.noise_sensitivity > 0) {
|
|
vp9_denoiser_update_frame_stats(mbmi, sse_y, this_mode, ctx);
|
|
}
|
|
#else
|
|
(void)ctx;
|
|
#endif
|
|
|
|
if (this_rd < best_rd || x->skip) {
|
|
best_rd = this_rd;
|
|
*returnrate = rate;
|
|
*returndistortion = dist;
|
|
best_mode = this_mode;
|
|
best_pred_filter = mbmi->interp_filter;
|
|
best_tx_size = mbmi->tx_size;
|
|
best_ref_frame = ref_frame;
|
|
skip_txfm = x->skip_txfm[0];
|
|
|
|
if (cpi->sf.reuse_inter_pred_sby) {
|
|
free_pred_buffer(best_pred);
|
|
|
|
best_pred = this_mode_pred;
|
|
}
|
|
} else {
|
|
if (cpi->sf.reuse_inter_pred_sby)
|
|
free_pred_buffer(this_mode_pred);
|
|
}
|
|
|
|
if (x->skip)
|
|
break;
|
|
}
|
|
// If the current reference frame is valid and we found a usable mode,
|
|
// we are done.
|
|
if (best_rd < INT64_MAX)
|
|
break;
|
|
}
|
|
|
|
// If best prediction is not in dst buf, then copy the prediction block from
|
|
// temp buf to dst buf.
|
|
if (best_pred != NULL && cpi->sf.reuse_inter_pred_sby &&
|
|
best_pred->data != orig_dst.buf) {
|
|
pd->dst = orig_dst;
|
|
vp9_convolve_copy(best_pred->data, bw, pd->dst.buf, pd->dst.stride, NULL, 0,
|
|
NULL, 0, bw, bh);
|
|
}
|
|
|
|
mbmi->mode = best_mode;
|
|
mbmi->interp_filter = best_pred_filter;
|
|
mbmi->tx_size = best_tx_size;
|
|
mbmi->ref_frame[0] = best_ref_frame;
|
|
mbmi->mv[0].as_int = frame_mv[best_mode][best_ref_frame].as_int;
|
|
xd->mi[0].src_mi->bmi[0].as_mv[0].as_int = mbmi->mv[0].as_int;
|
|
x->skip_txfm[0] = skip_txfm;
|
|
|
|
// Perform intra prediction search, if the best SAD is above a certain
|
|
// threshold.
|
|
if (!x->skip && best_rd > inter_mode_thresh &&
|
|
bsize <= cpi->sf.max_intra_bsize) {
|
|
PREDICTION_MODE this_mode;
|
|
struct estimate_block_intra_args args = { cpi, x, DC_PRED, 0, 0 };
|
|
const TX_SIZE intra_tx_size =
|
|
MIN(max_txsize_lookup[bsize],
|
|
tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
|
|
|
|
if (cpi->sf.reuse_inter_pred_sby) {
|
|
pd->dst.buf = tmp[0].data;
|
|
pd->dst.stride = bw;
|
|
}
|
|
|
|
for (this_mode = DC_PRED; this_mode <= DC_PRED; ++this_mode) {
|
|
const TX_SIZE saved_tx_size = mbmi->tx_size;
|
|
args.mode = this_mode;
|
|
args.rate = 0;
|
|
args.dist = 0;
|
|
mbmi->tx_size = intra_tx_size;
|
|
vp9_foreach_transformed_block_in_plane(xd, bsize, 0,
|
|
estimate_block_intra, &args);
|
|
mbmi->tx_size = saved_tx_size;
|
|
rate = args.rate;
|
|
dist = args.dist;
|
|
rate += cpi->mbmode_cost[this_mode];
|
|
rate += intra_cost_penalty;
|
|
this_rd = RDCOST(x->rdmult, x->rddiv, rate, dist);
|
|
|
|
if (this_rd + intra_mode_cost < best_rd) {
|
|
best_rd = this_rd;
|
|
*returnrate = rate;
|
|
*returndistortion = dist;
|
|
mbmi->mode = this_mode;
|
|
mbmi->tx_size = intra_tx_size;
|
|
mbmi->ref_frame[0] = INTRA_FRAME;
|
|
mbmi->uv_mode = this_mode;
|
|
mbmi->mv[0].as_int = INVALID_MV;
|
|
} else {
|
|
x->skip_txfm[0] = skip_txfm;
|
|
}
|
|
}
|
|
if (cpi->sf.reuse_inter_pred_sby)
|
|
pd->dst = orig_dst;
|
|
}
|
|
}
|