diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/encoder/vp9_pickmode.c')
| -rw-r--r-- | media/libvpx/libvpx/vp9/encoder/vp9_pickmode.c | 2992 |
1 files changed, 2992 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/vp9_pickmode.c b/media/libvpx/libvpx/vp9/encoder/vp9_pickmode.c new file mode 100644 index 0000000000..6f2524b36e --- /dev/null +++ b/media/libvpx/libvpx/vp9/encoder/vp9_pickmode.c @@ -0,0 +1,2992 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <assert.h> +#include <limits.h> +#include <math.h> +#include <stdio.h> + +#include "./vp9_rtcd.h" +#include "./vpx_dsp_rtcd.h" + +#include "vpx/vpx_codec.h" +#include "vpx_dsp/vpx_dsp_common.h" +#include "vpx_mem/vpx_mem.h" +#include "vpx_ports/compiler_attributes.h" + +#include "vp9/common/vp9_blockd.h" +#include "vp9/common/vp9_common.h" +#include "vp9/common/vp9_mvref_common.h" +#include "vp9/common/vp9_pred_common.h" +#include "vp9/common/vp9_reconinter.h" +#include "vp9/common/vp9_reconintra.h" +#include "vp9/common/vp9_scan.h" + +#include "vp9/encoder/vp9_cost.h" +#include "vp9/encoder/vp9_encoder.h" +#include "vp9/encoder/vp9_pickmode.h" +#include "vp9/encoder/vp9_ratectrl.h" +#include "vp9/encoder/vp9_rd.h" + +typedef struct { + uint8_t *data; + int stride; + int in_use; +} PRED_BUFFER; + +typedef struct { + PRED_BUFFER *best_pred; + PREDICTION_MODE best_mode; + TX_SIZE best_tx_size; + TX_SIZE best_intra_tx_size; + MV_REFERENCE_FRAME best_ref_frame; + MV_REFERENCE_FRAME best_second_ref_frame; + uint8_t best_mode_skip_txfm; + INTERP_FILTER best_pred_filter; +} BEST_PICKMODE; + +static const int pos_shift_16x16[4][4] = { + { 9, 10, 13, 14 }, { 11, 12, 15, 16 }, { 17, 18, 21, 22 }, { 19, 20, 23, 24 } +}; + +static int mv_refs_rt(VP9_COMP *cpi, const VP9_COMMON *cm, const MACROBLOCK *x, + const MACROBLOCKD *xd, const TileInfo *const tile, + MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame, + int_mv *mv_ref_list, int_mv *base_mv, int mi_row, + int mi_col, int use_base_mv) { + const int *ref_sign_bias = cm->ref_frame_sign_bias; + int i, refmv_count = 0; + + const POSITION *const mv_ref_search = mv_ref_blocks[mi->sb_type]; + + int different_ref_found = 0; + int context_counter = 0; + int const_motion = 0; + + // Blank the reference vector list + memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES); + + // The nearest 2 blocks are treated differently + // if the size < 8x8 we get the mv from the bmi substructure, + // and we also need to keep a mode count. + for (i = 0; i < 2; ++i) { + const POSITION *const mv_ref = &mv_ref_search[i]; + if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { + const MODE_INFO *const candidate_mi = + xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; + // Keep counts for entropy encoding. + context_counter += mode_2_counter[candidate_mi->mode]; + different_ref_found = 1; + + if (candidate_mi->ref_frame[0] == ref_frame) + ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, -1), + refmv_count, mv_ref_list, Done); + } + } + + const_motion = 1; + + // Check the rest of the neighbors in much the same way + // as before except we don't need to keep track of sub blocks or + // mode counts. + for (; i < MVREF_NEIGHBOURS && !refmv_count; ++i) { + const POSITION *const mv_ref = &mv_ref_search[i]; + if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { + const MODE_INFO *const candidate_mi = + xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; + different_ref_found = 1; + + if (candidate_mi->ref_frame[0] == ref_frame) + ADD_MV_REF_LIST(candidate_mi->mv[0], refmv_count, mv_ref_list, Done); + } + } + + // Since we couldn't find 2 mvs from the same reference frame + // go back through the neighbors and find motion vectors from + // different reference frames. + if (different_ref_found && !refmv_count) { + for (i = 0; i < MVREF_NEIGHBOURS; ++i) { + const POSITION *mv_ref = &mv_ref_search[i]; + if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { + const MODE_INFO *const candidate_mi = + xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; + + // If the candidate is INTRA we don't want to consider its mv. + IF_DIFF_REF_FRAME_ADD_MV(candidate_mi, ref_frame, ref_sign_bias, + refmv_count, mv_ref_list, Done); + } + } + } + if (use_base_mv && + !cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame && + ref_frame == LAST_FRAME) { + // Get base layer mv. + MV_REF *candidate = + &cm->prev_frame + ->mvs[(mi_col >> 1) + (mi_row >> 1) * (cm->mi_cols >> 1)]; + if (candidate->mv[0].as_int != INVALID_MV) { + base_mv->as_mv.row = (candidate->mv[0].as_mv.row * 2); + base_mv->as_mv.col = (candidate->mv[0].as_mv.col * 2); + clamp_mv_ref(&base_mv->as_mv, xd); + } else { + base_mv->as_int = INVALID_MV; + } + } + +Done: + + x->mbmi_ext->mode_context[ref_frame] = counter_to_context[context_counter]; + + // Clamp vectors + for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) + clamp_mv_ref(&mv_ref_list[i].as_mv, xd); + + return const_motion; +} + +static int combined_motion_search(VP9_COMP *cpi, MACROBLOCK *x, + BLOCK_SIZE bsize, int mi_row, int mi_col, + int_mv *tmp_mv, int *rate_mv, + int64_t best_rd_sofar, int use_base_mv) { + MACROBLOCKD *xd = &x->e_mbd; + MODE_INFO *mi = xd->mi[0]; + struct buf_2d backup_yv12[MAX_MB_PLANE] = { { 0, 0 } }; + const int step_param = cpi->sf.mv.fullpel_search_step_param; + const int sadpb = x->sadperbit16; + MV mvp_full; + const int ref = mi->ref_frame[0]; + const MV ref_mv = x->mbmi_ext->ref_mvs[ref][0].as_mv; + MV center_mv; + uint32_t dis; + int rate_mode; + const MvLimits tmp_mv_limits = x->mv_limits; + int rv = 0; + int cost_list[5]; + int search_subpel = 1; + const YV12_BUFFER_CONFIG *scaled_ref_frame = + vp9_get_scaled_ref_frame(cpi, ref); + if (scaled_ref_frame) { + int i; + // Swap out the reference frame for a version that's been scaled to + // match the resolution of the current frame, allowing the existing + // motion search code to be used without additional modifications. + for (i = 0; i < MAX_MB_PLANE; i++) backup_yv12[i] = xd->plane[i].pre[0]; + vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL); + } + vp9_set_mv_search_range(&x->mv_limits, &ref_mv); + + // Limit motion vector for large lightning change. + if (cpi->oxcf.speed > 5 && x->lowvar_highsumdiff) { + x->mv_limits.col_min = VPXMAX(x->mv_limits.col_min, -10); + x->mv_limits.row_min = VPXMAX(x->mv_limits.row_min, -10); + x->mv_limits.col_max = VPXMIN(x->mv_limits.col_max, 10); + x->mv_limits.row_max = VPXMIN(x->mv_limits.row_max, 10); + } + + assert(x->mv_best_ref_index[ref] <= 2); + if (x->mv_best_ref_index[ref] < 2) + mvp_full = x->mbmi_ext->ref_mvs[ref][x->mv_best_ref_index[ref]].as_mv; + else + mvp_full = x->pred_mv[ref]; + + mvp_full.col >>= 3; + mvp_full.row >>= 3; + + if (!use_base_mv) + center_mv = ref_mv; + else + center_mv = tmp_mv->as_mv; + + if (x->sb_use_mv_part) { + tmp_mv->as_mv.row = x->sb_mvrow_part >> 3; + tmp_mv->as_mv.col = x->sb_mvcol_part >> 3; + } else { + vp9_full_pixel_search( + cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, sadpb, + cond_cost_list(cpi, cost_list), ¢er_mv, &tmp_mv->as_mv, INT_MAX, 0); + } + + x->mv_limits = tmp_mv_limits; + + // calculate the bit cost on motion vector + mvp_full.row = tmp_mv->as_mv.row * 8; + mvp_full.col = tmp_mv->as_mv.col * 8; + + *rate_mv = vp9_mv_bit_cost(&mvp_full, &ref_mv, x->nmvjointcost, x->mvcost, + MV_COST_WEIGHT); + + rate_mode = + cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref]][INTER_OFFSET(NEWMV)]; + rv = + !(RDCOST(x->rdmult, x->rddiv, (*rate_mv + rate_mode), 0) > best_rd_sofar); + + // For SVC on non-reference frame, avoid subpel for (0, 0) motion. + if (cpi->use_svc && cpi->svc.non_reference_frame) { + if (mvp_full.row == 0 && mvp_full.col == 0) search_subpel = 0; + } + + if (rv && search_subpel) { + SUBPEL_FORCE_STOP subpel_force_stop = cpi->sf.mv.subpel_force_stop; + if (use_base_mv && cpi->sf.base_mv_aggressive) subpel_force_stop = HALF_PEL; + if (cpi->sf.mv.enable_adaptive_subpel_force_stop) { + const int mv_thresh = cpi->sf.mv.adapt_subpel_force_stop.mv_thresh; + if (abs(tmp_mv->as_mv.row) >= mv_thresh || + abs(tmp_mv->as_mv.col) >= mv_thresh) + subpel_force_stop = cpi->sf.mv.adapt_subpel_force_stop.force_stop_above; + else + subpel_force_stop = cpi->sf.mv.adapt_subpel_force_stop.force_stop_below; + } + cpi->find_fractional_mv_step( + x, &tmp_mv->as_mv, &ref_mv, cpi->common.allow_high_precision_mv, + x->errorperbit, &cpi->fn_ptr[bsize], subpel_force_stop, + cpi->sf.mv.subpel_search_level, cond_cost_list(cpi, cost_list), + x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref], NULL, 0, 0, + cpi->sf.use_accurate_subpel_search); + *rate_mv = vp9_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, x->nmvjointcost, + x->mvcost, MV_COST_WEIGHT); + } + + if (scaled_ref_frame) { + int i; + for (i = 0; i < MAX_MB_PLANE; i++) xd->plane[i].pre[0] = backup_yv12[i]; + } + return rv; +} + +static void block_variance(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, int w, int h, + unsigned int *sse, int *sum, int block_size, +#if CONFIG_VP9_HIGHBITDEPTH + int use_highbitdepth, vpx_bit_depth_t bd, +#endif + uint32_t *sse8x8, int *sum8x8, uint32_t *var8x8) { + int i, j, k = 0; + uint32_t k_sqr = 0; + + *sse = 0; + *sum = 0; + + for (i = 0; i < h; i += block_size) { + for (j = 0; j < w; j += block_size) { +#if CONFIG_VP9_HIGHBITDEPTH + if (use_highbitdepth) { + switch (bd) { + case VPX_BITS_8: + vpx_highbd_8_get8x8var(src + src_stride * i + j, src_stride, + ref + ref_stride * i + j, ref_stride, + &sse8x8[k], &sum8x8[k]); + break; + case VPX_BITS_10: + vpx_highbd_10_get8x8var(src + src_stride * i + j, src_stride, + ref + ref_stride * i + j, ref_stride, + &sse8x8[k], &sum8x8[k]); + break; + case VPX_BITS_12: + vpx_highbd_12_get8x8var(src + src_stride * i + j, src_stride, + ref + ref_stride * i + j, ref_stride, + &sse8x8[k], &sum8x8[k]); + break; + } + } else { + vpx_get8x8var(src + src_stride * i + j, src_stride, + ref + ref_stride * i + j, ref_stride, &sse8x8[k], + &sum8x8[k]); + } +#else + vpx_get8x8var(src + src_stride * i + j, src_stride, + ref + ref_stride * i + j, ref_stride, &sse8x8[k], + &sum8x8[k]); +#endif + *sse += sse8x8[k]; + *sum += sum8x8[k]; + k_sqr = (uint32_t)(((int64_t)sum8x8[k] * sum8x8[k]) >> 6); + var8x8[k] = sse8x8[k] > k_sqr ? sse8x8[k] - k_sqr : k_sqr - sse8x8[k]; + k++; + } + } +} + +static void calculate_variance(int bw, int bh, TX_SIZE tx_size, + unsigned int *sse_i, int *sum_i, + unsigned int *var_o, unsigned int *sse_o, + int *sum_o) { + const BLOCK_SIZE unit_size = txsize_to_bsize[tx_size]; + const int nw = 1 << (bw - b_width_log2_lookup[unit_size]); + const int nh = 1 << (bh - b_height_log2_lookup[unit_size]); + int i, j, k = 0; + uint32_t k_sqr = 0; + + for (i = 0; i < nh; i += 2) { + for (j = 0; j < nw; j += 2) { + sse_o[k] = sse_i[i * nw + j] + sse_i[i * nw + j + 1] + + sse_i[(i + 1) * nw + j] + sse_i[(i + 1) * nw + j + 1]; + sum_o[k] = sum_i[i * nw + j] + sum_i[i * nw + j + 1] + + sum_i[(i + 1) * nw + j] + sum_i[(i + 1) * nw + j + 1]; + k_sqr = (uint32_t)(((int64_t)sum_o[k] * sum_o[k]) >> + (b_width_log2_lookup[unit_size] + + b_height_log2_lookup[unit_size] + 6)); + var_o[k] = sse_o[k] > k_sqr ? sse_o[k] - k_sqr : k_sqr - sse_o[k]; + k++; + } + } +} + +// Adjust the ac_thr according to speed, width, height and normalized sum +static int ac_thr_factor(const int speed, const int width, const int height, + const int norm_sum) { + if (speed >= 8 && norm_sum < 5) { + if (width <= 640 && height <= 480) + return 4; + else + return 2; + } + return 1; +} + +static TX_SIZE calculate_tx_size(VP9_COMP *const cpi, BLOCK_SIZE bsize, + MACROBLOCKD *const xd, unsigned int var, + unsigned int sse, int64_t ac_thr, + unsigned int source_variance, int is_intra) { + // TODO(marpan): Tune selection for intra-modes, screen content, etc. + TX_SIZE tx_size; + unsigned int var_thresh = is_intra ? (unsigned int)ac_thr : 1; + int limit_tx = 1; + if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && + (source_variance == 0 || var < var_thresh)) + limit_tx = 0; + if (cpi->common.tx_mode == TX_MODE_SELECT) { + if (sse > (var << 2)) + tx_size = VPXMIN(max_txsize_lookup[bsize], + tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); + else + tx_size = TX_8X8; + if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && limit_tx && + cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id)) + tx_size = TX_8X8; + else if (tx_size > TX_16X16 && limit_tx) + tx_size = TX_16X16; + // For screen-content force 4X4 tx_size over 8X8, for large variance. + if (cpi->oxcf.content == VP9E_CONTENT_SCREEN && tx_size == TX_8X8 && + bsize <= BLOCK_16X16 && ((var >> 5) > (unsigned int)ac_thr)) + tx_size = TX_4X4; + } else { + tx_size = VPXMIN(max_txsize_lookup[bsize], + tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); + } + return tx_size; +} + +static void compute_intra_yprediction(PREDICTION_MODE mode, BLOCK_SIZE bsize, + MACROBLOCK *x, MACROBLOCKD *xd) { + struct macroblockd_plane *const pd = &xd->plane[0]; + struct macroblock_plane *const p = &x->plane[0]; + uint8_t *const src_buf_base = p->src.buf; + uint8_t *const dst_buf_base = pd->dst.buf; + const int src_stride = p->src.stride; + const int dst_stride = pd->dst.stride; + // block and transform sizes, in number of 4x4 blocks log 2 ("*_b") + // 4x4=0, 8x8=2, 16x16=4, 32x32=6, 64x64=8 + const TX_SIZE tx_size = max_txsize_lookup[bsize]; + const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; + const int num_4x4_h = num_4x4_blocks_high_lookup[bsize]; + int row, col; + // If mb_to_right_edge is < 0 we are in a situation in which + // the current block size extends into the UMV and we won't + // visit the sub blocks that are wholly within the UMV. + const int max_blocks_wide = + num_4x4_w + (xd->mb_to_right_edge >= 0 + ? 0 + : xd->mb_to_right_edge >> (5 + pd->subsampling_x)); + const int max_blocks_high = + num_4x4_h + (xd->mb_to_bottom_edge >= 0 + ? 0 + : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y)); + + // Keep track of the row and column of the blocks we use so that we know + // if we are in the unrestricted motion border. + for (row = 0; row < max_blocks_high; row += (1 << tx_size)) { + // Skip visiting the sub blocks that are wholly within the UMV. + for (col = 0; col < max_blocks_wide; col += (1 << tx_size)) { + p->src.buf = &src_buf_base[4 * (row * (int64_t)src_stride + col)]; + pd->dst.buf = &dst_buf_base[4 * (row * (int64_t)dst_stride + col)]; + vp9_predict_intra_block(xd, b_width_log2_lookup[bsize], tx_size, mode, + x->skip_encode ? p->src.buf : pd->dst.buf, + x->skip_encode ? src_stride : dst_stride, + pd->dst.buf, dst_stride, col, row, 0); + } + } + p->src.buf = src_buf_base; + pd->dst.buf = dst_buf_base; +} + +static void model_rd_for_sb_y_large(VP9_COMP *cpi, BLOCK_SIZE bsize, + MACROBLOCK *x, MACROBLOCKD *xd, + int *out_rate_sum, int64_t *out_dist_sum, + unsigned int *var_y, unsigned int *sse_y, + int mi_row, int mi_col, int *early_term, + int *flag_preduv_computed) { + // Note our transform coeffs are 8 times an orthogonal transform. + // Hence quantizer step is also 8 times. To get effective quantizer + // we need to divide by 8 before sending to modeling function. + unsigned int sse; + int rate; + int64_t dist; + struct macroblock_plane *const p = &x->plane[0]; + struct macroblockd_plane *const pd = &xd->plane[0]; + const uint32_t dc_quant = pd->dequant[0]; + const uint32_t ac_quant = pd->dequant[1]; + int64_t dc_thr = dc_quant * dc_quant >> 6; + int64_t ac_thr = ac_quant * ac_quant >> 6; + unsigned int var; + int sum; + int skip_dc = 0; + + const int bw = b_width_log2_lookup[bsize]; + const int bh = b_height_log2_lookup[bsize]; + const int num8x8 = 1 << (bw + bh - 2); + unsigned int sse8x8[64] = { 0 }; + int sum8x8[64] = { 0 }; + unsigned int var8x8[64] = { 0 }; + TX_SIZE tx_size; + int i, k; + uint32_t sum_sqr; +#if CONFIG_VP9_HIGHBITDEPTH + const vpx_bit_depth_t bd = cpi->common.bit_depth; +#endif + // Calculate variance for whole partition, and also save 8x8 blocks' variance + // to be used in following transform skipping test. + block_variance(p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, + 4 << bw, 4 << bh, &sse, &sum, 8, +#if CONFIG_VP9_HIGHBITDEPTH + cpi->common.use_highbitdepth, bd, +#endif + sse8x8, sum8x8, var8x8); + sum_sqr = (uint32_t)((int64_t)sum * sum) >> (bw + bh + 4); + var = sse > sum_sqr ? sse - sum_sqr : sum_sqr - sse; + + *var_y = var; + *sse_y = sse; + +#if CONFIG_VP9_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc(cpi) && + cpi->oxcf.speed > 5) + ac_thr = vp9_scale_acskip_thresh(ac_thr, cpi->denoiser.denoising_level, + (abs(sum) >> (bw + bh)), + cpi->svc.temporal_layer_id); + else + ac_thr *= ac_thr_factor(cpi->oxcf.speed, cpi->common.width, + cpi->common.height, abs(sum) >> (bw + bh)); +#else + ac_thr *= ac_thr_factor(cpi->oxcf.speed, cpi->common.width, + cpi->common.height, abs(sum) >> (bw + bh)); +#endif + + tx_size = calculate_tx_size(cpi, bsize, xd, var, sse, ac_thr, + x->source_variance, 0); + // The code below for setting skip flag assumes tranform size of at least 8x8, + // so force this lower limit on transform. + if (tx_size < TX_8X8) tx_size = TX_8X8; + xd->mi[0]->tx_size = tx_size; + + if (cpi->oxcf.content == VP9E_CONTENT_SCREEN && x->zero_temp_sad_source && + x->source_variance == 0) + dc_thr = dc_thr << 1; + + // Evaluate if the partition block is a skippable block in Y plane. + { + unsigned int sse16x16[16] = { 0 }; + int sum16x16[16] = { 0 }; + unsigned int var16x16[16] = { 0 }; + const int num16x16 = num8x8 >> 2; + + unsigned int sse32x32[4] = { 0 }; + int sum32x32[4] = { 0 }; + unsigned int var32x32[4] = { 0 }; + const int num32x32 = num8x8 >> 4; + + int ac_test = 1; + int dc_test = 1; + const int num = (tx_size == TX_8X8) + ? num8x8 + : ((tx_size == TX_16X16) ? num16x16 : num32x32); + const unsigned int *sse_tx = + (tx_size == TX_8X8) ? sse8x8 + : ((tx_size == TX_16X16) ? sse16x16 : sse32x32); + const unsigned int *var_tx = + (tx_size == TX_8X8) ? var8x8 + : ((tx_size == TX_16X16) ? var16x16 : var32x32); + + // Calculate variance if tx_size > TX_8X8 + if (tx_size >= TX_16X16) + calculate_variance(bw, bh, TX_8X8, sse8x8, sum8x8, var16x16, sse16x16, + sum16x16); + if (tx_size == TX_32X32) + calculate_variance(bw, bh, TX_16X16, sse16x16, sum16x16, var32x32, + sse32x32, sum32x32); + + // Skipping test + x->skip_txfm[0] = SKIP_TXFM_NONE; + for (k = 0; k < num; k++) + // Check if all ac coefficients can be quantized to zero. + if (!(var_tx[k] < ac_thr || var == 0)) { + ac_test = 0; + break; + } + + for (k = 0; k < num; k++) + // Check if dc coefficient can be quantized to zero. + if (!(sse_tx[k] - var_tx[k] < dc_thr || sse == var)) { + dc_test = 0; + break; + } + + if (ac_test) { + x->skip_txfm[0] = SKIP_TXFM_AC_ONLY; + + if (dc_test) x->skip_txfm[0] = SKIP_TXFM_AC_DC; + } else if (dc_test) { + skip_dc = 1; + } + } + + if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) { + int skip_uv[2] = { 0 }; + unsigned int var_uv[2]; + unsigned int sse_uv[2]; + + *out_rate_sum = 0; + *out_dist_sum = sse << 4; + + // Transform skipping test in UV planes. + for (i = 1; i <= 2; i++) { + struct macroblock_plane *const p_uv = &x->plane[i]; + struct macroblockd_plane *const pd_uv = &xd->plane[i]; + const TX_SIZE uv_tx_size = get_uv_tx_size(xd->mi[0], pd_uv); + const BLOCK_SIZE unit_size = txsize_to_bsize[uv_tx_size]; + const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, pd_uv); + const int uv_bw = b_width_log2_lookup[uv_bsize]; + const int uv_bh = b_height_log2_lookup[uv_bsize]; + const int sf = (uv_bw - b_width_log2_lookup[unit_size]) + + (uv_bh - b_height_log2_lookup[unit_size]); + const uint32_t uv_dc_thr = + pd_uv->dequant[0] * pd_uv->dequant[0] >> (6 - sf); + const uint32_t uv_ac_thr = + pd_uv->dequant[1] * pd_uv->dequant[1] >> (6 - sf); + int j = i - 1; + + vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, i); + flag_preduv_computed[i - 1] = 1; + var_uv[j] = cpi->fn_ptr[uv_bsize].vf(p_uv->src.buf, p_uv->src.stride, + pd_uv->dst.buf, pd_uv->dst.stride, + &sse_uv[j]); + + if ((var_uv[j] < uv_ac_thr || var_uv[j] == 0) && + (sse_uv[j] - var_uv[j] < uv_dc_thr || sse_uv[j] == var_uv[j])) + skip_uv[j] = 1; + else + break; + } + + // If the transform in YUV planes are skippable, the mode search checks + // fewer inter modes and doesn't check intra modes. + if (skip_uv[0] & skip_uv[1]) { + *early_term = 1; + } + return; + } + + if (!skip_dc) { +#if CONFIG_VP9_HIGHBITDEPTH + vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], + dc_quant >> (xd->bd - 5), &rate, &dist); +#else + vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], + dc_quant >> 3, &rate, &dist); +#endif // CONFIG_VP9_HIGHBITDEPTH + } + + if (!skip_dc) { + *out_rate_sum = rate >> 1; + *out_dist_sum = dist << 3; + } else { + *out_rate_sum = 0; + *out_dist_sum = (sse - var) << 4; + } + +#if CONFIG_VP9_HIGHBITDEPTH + vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], + ac_quant >> (xd->bd - 5), &rate, &dist); +#else + vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], ac_quant >> 3, + &rate, &dist); +#endif // CONFIG_VP9_HIGHBITDEPTH + + *out_rate_sum += rate; + *out_dist_sum += dist << 4; +} + +static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize, MACROBLOCK *x, + MACROBLOCKD *xd, int *out_rate_sum, + int64_t *out_dist_sum, unsigned int *var_y, + unsigned int *sse_y, int is_intra) { + // Note our transform coeffs are 8 times an orthogonal transform. + // Hence quantizer step is also 8 times. To get effective quantizer + // we need to divide by 8 before sending to modeling function. + unsigned int sse; + int rate; + int64_t dist; + struct macroblock_plane *const p = &x->plane[0]; + struct macroblockd_plane *const pd = &xd->plane[0]; + const int64_t dc_thr = p->quant_thred[0] >> 6; + const int64_t ac_thr = p->quant_thred[1] >> 6; + const uint32_t dc_quant = pd->dequant[0]; + const uint32_t ac_quant = pd->dequant[1]; + unsigned int var = cpi->fn_ptr[bsize].vf(p->src.buf, p->src.stride, + pd->dst.buf, pd->dst.stride, &sse); + int skip_dc = 0; + + *var_y = var; + *sse_y = sse; + + xd->mi[0]->tx_size = calculate_tx_size(cpi, bsize, xd, var, sse, ac_thr, + x->source_variance, is_intra); + + // Evaluate if the partition block is a skippable block in Y plane. + { + const BLOCK_SIZE unit_size = txsize_to_bsize[xd->mi[0]->tx_size]; + const unsigned int num_blk_log2 = + (b_width_log2_lookup[bsize] - b_width_log2_lookup[unit_size]) + + (b_height_log2_lookup[bsize] - b_height_log2_lookup[unit_size]); + const unsigned int sse_tx = sse >> num_blk_log2; + const unsigned int var_tx = var >> num_blk_log2; + + x->skip_txfm[0] = SKIP_TXFM_NONE; + // Check if all ac coefficients can be quantized to zero. + if (var_tx < ac_thr || var == 0) { + x->skip_txfm[0] = SKIP_TXFM_AC_ONLY; + // Check if dc coefficient can be quantized to zero. + if (sse_tx - var_tx < dc_thr || sse == var) + x->skip_txfm[0] = SKIP_TXFM_AC_DC; + } else { + if (sse_tx - var_tx < dc_thr || sse == var) skip_dc = 1; + } + } + + if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) { + *out_rate_sum = 0; + *out_dist_sum = sse << 4; + return; + } + + if (!skip_dc) { +#if CONFIG_VP9_HIGHBITDEPTH + vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], + dc_quant >> (xd->bd - 5), &rate, &dist); +#else + vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], + dc_quant >> 3, &rate, &dist); +#endif // CONFIG_VP9_HIGHBITDEPTH + } + + if (!skip_dc) { + *out_rate_sum = rate >> 1; + *out_dist_sum = dist << 3; + } else { + *out_rate_sum = 0; + *out_dist_sum = (sse - var) << 4; + } + +#if CONFIG_VP9_HIGHBITDEPTH + vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], + ac_quant >> (xd->bd - 5), &rate, &dist); +#else + vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], ac_quant >> 3, + &rate, &dist); +#endif // CONFIG_VP9_HIGHBITDEPTH + + *out_rate_sum += rate; + *out_dist_sum += dist << 4; +} + +static void block_yrd(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *this_rdc, + int *skippable, int64_t *sse, BLOCK_SIZE bsize, + TX_SIZE tx_size, int rd_computed, int is_intra) { + MACROBLOCKD *xd = &x->e_mbd; + const struct macroblockd_plane *pd = &xd->plane[0]; + struct macroblock_plane *const p = &x->plane[0]; + const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; + const int num_4x4_h = num_4x4_blocks_high_lookup[bsize]; + const int step = 1 << (tx_size << 1); + const int block_step = (1 << tx_size); + int block = 0, r, c; + const int max_blocks_wide = + num_4x4_w + (xd->mb_to_right_edge >= 0 ? 0 : xd->mb_to_right_edge >> 5); + const int max_blocks_high = + num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? 0 : xd->mb_to_bottom_edge >> 5); + int eob_cost = 0; + const int bw = 4 * num_4x4_w; + const int bh = 4 * num_4x4_h; + + if (cpi->sf.use_simple_block_yrd && cpi->common.frame_type != KEY_FRAME && + (bsize < BLOCK_32X32 || + (cpi->use_svc && + (bsize < BLOCK_32X32 || cpi->svc.temporal_layer_id > 0)))) { + unsigned int var_y, sse_y; + (void)tx_size; + if (!rd_computed) + model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc->rate, &this_rdc->dist, + &var_y, &sse_y, is_intra); + *sse = INT_MAX; + *skippable = 0; + return; + } + + (void)cpi; + + // The max tx_size passed in is TX_16X16. + assert(tx_size != TX_32X32); +#if CONFIG_VP9_HIGHBITDEPTH + if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { + vpx_highbd_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, + p->src.stride, pd->dst.buf, pd->dst.stride, + x->e_mbd.bd); + } else { + vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, + pd->dst.buf, pd->dst.stride); + } +#else + vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, + pd->dst.buf, pd->dst.stride); +#endif + *skippable = 1; + // Keep track of the row and column of the blocks we use so that we know + // if we are in the unrestricted motion border. + for (r = 0; r < max_blocks_high; r += block_step) { + for (c = 0; c < num_4x4_w; c += block_step) { + if (c < max_blocks_wide) { + const ScanOrder *const scan_order = &vp9_default_scan_orders[tx_size]; + tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); + tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); + tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); + uint16_t *const eob = &p->eobs[block]; + const int diff_stride = bw; + const int16_t *src_diff; + src_diff = &p->src_diff[(r * diff_stride + c) << 2]; + + // skip block condition should be handled before this is called. + assert(!x->skip_block); + + switch (tx_size) { + case TX_16X16: + vpx_hadamard_16x16(src_diff, diff_stride, coeff); + vp9_quantize_fp(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, + scan_order); + break; + case TX_8X8: + vpx_hadamard_8x8(src_diff, diff_stride, coeff); + vp9_quantize_fp(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, + scan_order); + break; + default: + assert(tx_size == TX_4X4); + x->fwd_txfm4x4(src_diff, coeff, diff_stride); + vp9_quantize_fp(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, + scan_order); + break; + } + *skippable &= (*eob == 0); + eob_cost += 1; + } + block += step; + } + } + + this_rdc->rate = 0; + if (*sse < INT64_MAX) { + *sse = (*sse << 6) >> 2; + if (*skippable) { + this_rdc->dist = *sse; + return; + } + } + + block = 0; + this_rdc->dist = 0; + for (r = 0; r < max_blocks_high; r += block_step) { + for (c = 0; c < num_4x4_w; c += block_step) { + if (c < max_blocks_wide) { + tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); + tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); + tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); + uint16_t *const eob = &p->eobs[block]; + + if (*eob == 1) + this_rdc->rate += (int)abs(qcoeff[0]); + else if (*eob > 1) + this_rdc->rate += vpx_satd(qcoeff, step << 4); + + this_rdc->dist += vp9_block_error_fp(coeff, dqcoeff, step << 4) >> 2; + } + block += step; + } + } + + // If skippable is set, rate gets clobbered later. + this_rdc->rate <<= (2 + VP9_PROB_COST_SHIFT); + this_rdc->rate += (eob_cost << VP9_PROB_COST_SHIFT); +} + +static void model_rd_for_sb_uv(VP9_COMP *cpi, BLOCK_SIZE plane_bsize, + MACROBLOCK *x, MACROBLOCKD *xd, + RD_COST *this_rdc, unsigned int *var_y, + unsigned int *sse_y, int start_plane, + int stop_plane) { + // Note our transform coeffs are 8 times an orthogonal transform. + // Hence quantizer step is also 8 times. To get effective quantizer + // we need to divide by 8 before sending to modeling function. + unsigned int sse; + int rate; + int64_t dist; + int i; +#if CONFIG_VP9_HIGHBITDEPTH + uint64_t tot_var = *var_y; + uint64_t tot_sse = *sse_y; +#else + uint32_t tot_var = *var_y; + uint32_t tot_sse = *sse_y; +#endif + + this_rdc->rate = 0; + this_rdc->dist = 0; + + for (i = start_plane; i <= stop_plane; ++i) { + struct macroblock_plane *const p = &x->plane[i]; + struct macroblockd_plane *const pd = &xd->plane[i]; + const uint32_t dc_quant = pd->dequant[0]; + const uint32_t ac_quant = pd->dequant[1]; + const BLOCK_SIZE bs = plane_bsize; + unsigned int var; + if (!x->color_sensitivity[i - 1]) continue; + + var = cpi->fn_ptr[bs].vf(p->src.buf, p->src.stride, pd->dst.buf, + pd->dst.stride, &sse); + assert(sse >= var); + tot_var += var; + tot_sse += sse; + +#if CONFIG_VP9_HIGHBITDEPTH + vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], + dc_quant >> (xd->bd - 5), &rate, &dist); +#else + vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], + dc_quant >> 3, &rate, &dist); +#endif // CONFIG_VP9_HIGHBITDEPTH + + this_rdc->rate += rate >> 1; + this_rdc->dist += dist << 3; + +#if CONFIG_VP9_HIGHBITDEPTH + vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], + ac_quant >> (xd->bd - 5), &rate, &dist); +#else + vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], ac_quant >> 3, + &rate, &dist); +#endif // CONFIG_VP9_HIGHBITDEPTH + + this_rdc->rate += rate; + this_rdc->dist += dist << 4; + } + +#if CONFIG_VP9_HIGHBITDEPTH + *var_y = tot_var > UINT32_MAX ? UINT32_MAX : (uint32_t)tot_var; + *sse_y = tot_sse > UINT32_MAX ? UINT32_MAX : (uint32_t)tot_sse; +#else + *var_y = tot_var; + *sse_y = tot_sse; +#endif +} + +static int get_pred_buffer(PRED_BUFFER *p, int len) { + int i; + + for (i = 0; i < len; i++) { + if (!p[i].in_use) { + p[i].in_use = 1; + return i; + } + } + return -1; +} + +static void free_pred_buffer(PRED_BUFFER *p) { + if (p != NULL) p->in_use = 0; +} + +static void encode_breakout_test( + VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int mi_row, int mi_col, + MV_REFERENCE_FRAME ref_frame, PREDICTION_MODE this_mode, unsigned int var_y, + unsigned int sse_y, struct buf_2d yv12_mb[][MAX_MB_PLANE], int *rate, + int64_t *dist, int *flag_preduv_computed) { + MACROBLOCKD *xd = &x->e_mbd; + MODE_INFO *const mi = xd->mi[0]; + const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]); + unsigned int var = var_y, sse = sse_y; + // Skipping threshold for ac. + unsigned int thresh_ac; + // Skipping threshold for dc. + unsigned int thresh_dc; + int motion_low = 1; + + if (cpi->use_svc && ref_frame == GOLDEN_FRAME) return; + if (mi->mv[0].as_mv.row > 64 || mi->mv[0].as_mv.row < -64 || + mi->mv[0].as_mv.col > 64 || mi->mv[0].as_mv.col < -64) + motion_low = 0; + if (x->encode_breakout > 0 && motion_low == 1) { + // Set a maximum for threshold to avoid big PSNR loss in low bit rate + // case. Use extreme low threshold for static frames to limit + // skipping. + const unsigned int max_thresh = 36000; + // The encode_breakout input + const unsigned int min_thresh = + VPXMIN(((unsigned int)x->encode_breakout << 4), max_thresh); +#if CONFIG_VP9_HIGHBITDEPTH + const int shift = (xd->bd << 1) - 16; +#endif + + // Calculate threshold according to dequant value. + thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) >> 3; +#if CONFIG_VP9_HIGHBITDEPTH + if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) { + thresh_ac = ROUND_POWER_OF_TWO(thresh_ac, shift); + } +#endif // CONFIG_VP9_HIGHBITDEPTH + thresh_ac = clamp(thresh_ac, min_thresh, max_thresh); + + // Adjust ac threshold according to partition size. + thresh_ac >>= + 8 - (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); + + thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6); +#if CONFIG_VP9_HIGHBITDEPTH + if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) { + thresh_dc = ROUND_POWER_OF_TWO(thresh_dc, shift); + } +#endif // CONFIG_VP9_HIGHBITDEPTH + } else { + thresh_ac = 0; + thresh_dc = 0; + } + + // Y skipping condition checking for ac and dc. + if (var <= thresh_ac && (sse - var) <= thresh_dc) { + unsigned int sse_u, sse_v; + unsigned int var_u, var_v; + unsigned int thresh_ac_uv = thresh_ac; + unsigned int thresh_dc_uv = thresh_dc; + if (x->sb_is_skin) { + thresh_ac_uv = 0; + thresh_dc_uv = 0; + } + + if (!flag_preduv_computed[0] || !flag_preduv_computed[1]) { + xd->plane[1].pre[0] = yv12_mb[ref_frame][1]; + xd->plane[2].pre[0] = yv12_mb[ref_frame][2]; + vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, bsize); + } + + var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf, x->plane[1].src.stride, + xd->plane[1].dst.buf, + xd->plane[1].dst.stride, &sse_u); + + // U skipping condition checking + if (((var_u << 2) <= thresh_ac_uv) && (sse_u - var_u <= thresh_dc_uv)) { + var_v = cpi->fn_ptr[uv_size].vf( + x->plane[2].src.buf, x->plane[2].src.stride, xd->plane[2].dst.buf, + xd->plane[2].dst.stride, &sse_v); + + // V skipping condition checking + if (((var_v << 2) <= thresh_ac_uv) && (sse_v - var_v <= thresh_dc_uv)) { + x->skip = 1; + + // The cost of skip bit needs to be added. + *rate = cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] + [INTER_OFFSET(this_mode)]; + + // More on this part of rate + // rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); + + // Scaling factor for SSE from spatial domain to frequency + // domain is 16. Adjust distortion accordingly. + // TODO(yunqingwang): In this function, only y-plane dist is + // calculated. + *dist = (sse << 4); // + ((sse_u + sse_v) << 4); + + // *disable_skip = 1; + } + } + } +} + +struct estimate_block_intra_args { + VP9_COMP *cpi; + MACROBLOCK *x; + PREDICTION_MODE mode; + int skippable; + RD_COST *rdc; +}; + +static void estimate_block_intra(int plane, int block, int row, int col, + BLOCK_SIZE plane_bsize, TX_SIZE tx_size, + void *arg) { + struct estimate_block_intra_args *const args = arg; + VP9_COMP *const cpi = args->cpi; + MACROBLOCK *const x = args->x; + MACROBLOCKD *const xd = &x->e_mbd; + struct macroblock_plane *const p = &x->plane[plane]; + struct macroblockd_plane *const pd = &xd->plane[plane]; + const BLOCK_SIZE bsize_tx = txsize_to_bsize[tx_size]; + uint8_t *const src_buf_base = p->src.buf; + uint8_t *const dst_buf_base = pd->dst.buf; + const int src_stride = p->src.stride; + const int dst_stride = pd->dst.stride; + RD_COST this_rdc; + + (void)block; + + p->src.buf = &src_buf_base[4 * (row * (int64_t)src_stride + col)]; + pd->dst.buf = &dst_buf_base[4 * (row * (int64_t)dst_stride + col)]; + // Use source buffer as an approximation for the fully reconstructed buffer. + vp9_predict_intra_block(xd, b_width_log2_lookup[plane_bsize], tx_size, + args->mode, x->skip_encode ? p->src.buf : pd->dst.buf, + x->skip_encode ? src_stride : dst_stride, pd->dst.buf, + dst_stride, col, row, plane); + + if (plane == 0) { + int64_t this_sse = INT64_MAX; + block_yrd(cpi, x, &this_rdc, &args->skippable, &this_sse, bsize_tx, + VPXMIN(tx_size, TX_16X16), 0, 1); + } else { + unsigned int var = 0; + unsigned int sse = 0; + model_rd_for_sb_uv(cpi, bsize_tx, x, xd, &this_rdc, &var, &sse, plane, + plane); + } + + p->src.buf = src_buf_base; + pd->dst.buf = dst_buf_base; + args->rdc->rate += this_rdc.rate; + args->rdc->dist += this_rdc.dist; +} + +static const THR_MODES mode_idx[MAX_REF_FRAMES][4] = { + { THR_DC, THR_V_PRED, THR_H_PRED, THR_TM }, + { THR_NEARESTMV, THR_NEARMV, THR_ZEROMV, THR_NEWMV }, + { THR_NEARESTG, THR_NEARG, THR_ZEROG, THR_NEWG }, + { THR_NEARESTA, THR_NEARA, THR_ZEROA, THR_NEWA }, +}; + +static const PREDICTION_MODE intra_mode_list[] = { DC_PRED, V_PRED, H_PRED, + TM_PRED }; + +static int mode_offset(const PREDICTION_MODE mode) { + if (mode >= NEARESTMV) { + return INTER_OFFSET(mode); + } else { + switch (mode) { + case DC_PRED: return 0; + case V_PRED: return 1; + case H_PRED: return 2; + case TM_PRED: return 3; + default: return -1; + } + } +} + +static INLINE int rd_less_than_thresh_row_mt(int64_t best_rd, int thresh, + const int *const thresh_fact) { + int is_rd_less_than_thresh; + is_rd_less_than_thresh = + best_rd < ((int64_t)thresh * (*thresh_fact) >> 5) || thresh == INT_MAX; + return is_rd_less_than_thresh; +} + +static INLINE void update_thresh_freq_fact_row_mt( + VP9_COMP *cpi, TileDataEnc *tile_data, unsigned int source_variance, + int thresh_freq_fact_idx, MV_REFERENCE_FRAME ref_frame, + THR_MODES best_mode_idx, PREDICTION_MODE mode) { + THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)]; + int freq_fact_idx = thresh_freq_fact_idx + thr_mode_idx; + int *freq_fact = &tile_data->row_base_thresh_freq_fact[freq_fact_idx]; + if (thr_mode_idx == best_mode_idx) + *freq_fact -= (*freq_fact >> 4); + else if (cpi->sf.limit_newmv_early_exit && mode == NEWMV && + ref_frame == LAST_FRAME && source_variance < 5) { + *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 32); + } else { + *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, + cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT); + } +} + +static INLINE void update_thresh_freq_fact( + VP9_COMP *cpi, TileDataEnc *tile_data, unsigned int source_variance, + BLOCK_SIZE bsize, MV_REFERENCE_FRAME ref_frame, THR_MODES best_mode_idx, + PREDICTION_MODE mode) { + THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)]; + int *freq_fact = &tile_data->thresh_freq_fact[bsize][thr_mode_idx]; + if (thr_mode_idx == best_mode_idx) + *freq_fact -= (*freq_fact >> 4); + else if (cpi->sf.limit_newmv_early_exit && mode == NEWMV && + ref_frame == LAST_FRAME && source_variance < 5) { + *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 32); + } else { + *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, + cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT); + } +} + +void vp9_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost, + BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { + MACROBLOCKD *const xd = &x->e_mbd; + MODE_INFO *const mi = xd->mi[0]; + RD_COST this_rdc, best_rdc; + PREDICTION_MODE this_mode; + struct estimate_block_intra_args args = { cpi, x, DC_PRED, 1, 0 }; + const TX_SIZE intra_tx_size = + VPXMIN(max_txsize_lookup[bsize], + tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); + MODE_INFO *const mic = xd->mi[0]; + int *bmode_costs; + const MODE_INFO *above_mi = xd->above_mi; + const MODE_INFO *left_mi = xd->left_mi; + const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0); + const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0); + bmode_costs = cpi->y_mode_costs[A][L]; + + (void)ctx; + vp9_rd_cost_reset(&best_rdc); + vp9_rd_cost_reset(&this_rdc); + + mi->ref_frame[0] = INTRA_FRAME; + // Initialize interp_filter here so we do not have to check for inter block + // modes in get_pred_context_switchable_interp() + mi->interp_filter = SWITCHABLE_FILTERS; + + mi->mv[0].as_int = INVALID_MV; + mi->uv_mode = DC_PRED; + memset(x->skip_txfm, 0, sizeof(x->skip_txfm)); + + // Change the limit of this loop to add other intra prediction + // mode tests. + for (this_mode = DC_PRED; this_mode <= H_PRED; ++this_mode) { + this_rdc.dist = this_rdc.rate = 0; + args.mode = this_mode; + args.skippable = 1; + args.rdc = &this_rdc; + mi->tx_size = intra_tx_size; + vp9_foreach_transformed_block_in_plane(xd, bsize, 0, estimate_block_intra, + &args); + if (args.skippable) { + x->skip_txfm[0] = SKIP_TXFM_AC_DC; + this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 1); + } else { + x->skip_txfm[0] = SKIP_TXFM_NONE; + this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 0); + } + this_rdc.rate += bmode_costs[this_mode]; + this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); + + if (this_rdc.rdcost < best_rdc.rdcost) { + best_rdc = this_rdc; + mi->mode = this_mode; + } + } + + *rd_cost = best_rdc; +} + +static void init_ref_frame_cost(VP9_COMMON *const cm, MACROBLOCKD *const xd, + int ref_frame_cost[MAX_REF_FRAMES]) { + vpx_prob intra_inter_p = vp9_get_intra_inter_prob(cm, xd); + vpx_prob ref_single_p1 = vp9_get_pred_prob_single_ref_p1(cm, xd); + vpx_prob ref_single_p2 = vp9_get_pred_prob_single_ref_p2(cm, xd); + + ref_frame_cost[INTRA_FRAME] = vp9_cost_bit(intra_inter_p, 0); + ref_frame_cost[LAST_FRAME] = ref_frame_cost[GOLDEN_FRAME] = + ref_frame_cost[ALTREF_FRAME] = vp9_cost_bit(intra_inter_p, 1); + + ref_frame_cost[LAST_FRAME] += vp9_cost_bit(ref_single_p1, 0); + ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p1, 1); + ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p1, 1); + ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p2, 0); + ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p2, 1); +} + +typedef struct { + MV_REFERENCE_FRAME ref_frame; + PREDICTION_MODE pred_mode; +} REF_MODE; + +#define RT_INTER_MODES 12 +static const REF_MODE ref_mode_set[RT_INTER_MODES] = { + { LAST_FRAME, ZEROMV }, { LAST_FRAME, NEARESTMV }, + { GOLDEN_FRAME, ZEROMV }, { LAST_FRAME, NEARMV }, + { LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEARESTMV }, + { GOLDEN_FRAME, NEARMV }, { GOLDEN_FRAME, NEWMV }, + { ALTREF_FRAME, ZEROMV }, { ALTREF_FRAME, NEARESTMV }, + { ALTREF_FRAME, NEARMV }, { ALTREF_FRAME, NEWMV } +}; + +#define RT_INTER_MODES_SVC 8 +static const REF_MODE ref_mode_set_svc[RT_INTER_MODES_SVC] = { + { LAST_FRAME, ZEROMV }, { LAST_FRAME, NEARESTMV }, + { LAST_FRAME, NEARMV }, { GOLDEN_FRAME, ZEROMV }, + { GOLDEN_FRAME, NEARESTMV }, { GOLDEN_FRAME, NEARMV }, + { LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEWMV } +}; + +static INLINE void find_predictors( + VP9_COMP *cpi, MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame, + int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], + int const_motion[MAX_REF_FRAMES], int *ref_frame_skip_mask, + TileDataEnc *tile_data, int mi_row, int mi_col, + struct buf_2d yv12_mb[4][MAX_MB_PLANE], BLOCK_SIZE bsize, + int force_skip_low_temp_var, int comp_pred_allowed) { + VP9_COMMON *const cm = &cpi->common; + MACROBLOCKD *const xd = &x->e_mbd; + const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); + TileInfo *const tile_info = &tile_data->tile_info; + // TODO(jingning) placeholder for inter-frame non-RD mode decision. + 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; + // this needs various further optimizations. to be continued.. + if ((cpi->ref_frame_flags & ref_frame_to_flag(ref_frame)) && (yv12 != NULL)) { + int_mv *const candidates = x->mbmi_ext->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->use_prev_frame_mvs || comp_pred_allowed) { + vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, candidates, mi_row, mi_col, + x->mbmi_ext->mode_context); + } else { + const_motion[ref_frame] = + mv_refs_rt(cpi, cm, x, xd, tile_info, xd->mi[0], ref_frame, + candidates, &frame_mv[NEWMV][ref_frame], mi_row, mi_col, + (int)(cpi->svc.use_base_mv && cpi->svc.spatial_layer_id)); + } + vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, + &frame_mv[NEARESTMV][ref_frame], + &frame_mv[NEARMV][ref_frame]); + // Early exit for golden frame if force_skip_low_temp_var is set. + if (!vp9_is_scaled(sf) && bsize >= BLOCK_8X8 && + !(force_skip_low_temp_var && ref_frame == GOLDEN_FRAME)) { + vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, ref_frame, + bsize); + } + } else { + *ref_frame_skip_mask |= (1 << ref_frame); + } +} + +static void vp9_NEWMV_diff_bias(const NOISE_ESTIMATE *ne, MACROBLOCKD *xd, + PREDICTION_MODE this_mode, RD_COST *this_rdc, + BLOCK_SIZE bsize, int mv_row, int mv_col, + int is_last_frame, int lowvar_highsumdiff, + int is_skin) { + // Bias against MVs associated with NEWMV mode that are very different from + // top/left neighbors. + if (this_mode == NEWMV) { + int al_mv_average_row; + int al_mv_average_col; + int left_row, left_col; + int row_diff, col_diff; + int above_mv_valid = 0; + int left_mv_valid = 0; + int above_row = 0; + int above_col = 0; + + if (xd->above_mi) { + above_mv_valid = xd->above_mi->mv[0].as_int != INVALID_MV; + above_row = xd->above_mi->mv[0].as_mv.row; + above_col = xd->above_mi->mv[0].as_mv.col; + } + if (xd->left_mi) { + left_mv_valid = xd->left_mi->mv[0].as_int != INVALID_MV; + left_row = xd->left_mi->mv[0].as_mv.row; + left_col = xd->left_mi->mv[0].as_mv.col; + } + if (above_mv_valid && left_mv_valid) { + al_mv_average_row = (above_row + left_row + 1) >> 1; + al_mv_average_col = (above_col + left_col + 1) >> 1; + } else if (above_mv_valid) { + al_mv_average_row = above_row; + al_mv_average_col = above_col; + } else if (left_mv_valid) { + al_mv_average_row = left_row; + al_mv_average_col = left_col; + } else { + al_mv_average_row = al_mv_average_col = 0; + } + row_diff = (al_mv_average_row - mv_row); + col_diff = (al_mv_average_col - mv_col); + if (row_diff > 48 || row_diff < -48 || col_diff > 48 || col_diff < -48) { + if (bsize > BLOCK_32X32) + this_rdc->rdcost = this_rdc->rdcost << 1; + else + this_rdc->rdcost = 3 * this_rdc->rdcost >> 1; + } + } + // If noise estimation is enabled, and estimated level is above threshold, + // add a bias to LAST reference with small motion, for large blocks. + if (ne->enabled && ne->level >= kMedium && bsize >= BLOCK_32X32 && + is_last_frame && mv_row < 8 && mv_row > -8 && mv_col < 8 && mv_col > -8) + this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3); + else if (lowvar_highsumdiff && !is_skin && bsize >= BLOCK_16X16 && + is_last_frame && mv_row < 16 && mv_row > -16 && mv_col < 16 && + mv_col > -16) + this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3); +} + +#if CONFIG_VP9_TEMPORAL_DENOISING +static void vp9_pickmode_ctx_den_update( + VP9_PICKMODE_CTX_DEN *ctx_den, int64_t zero_last_cost_orig, + int ref_frame_cost[MAX_REF_FRAMES], + int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], int reuse_inter_pred, + BEST_PICKMODE *bp) { + ctx_den->zero_last_cost_orig = zero_last_cost_orig; + ctx_den->ref_frame_cost = ref_frame_cost; + ctx_den->frame_mv = frame_mv; + ctx_den->reuse_inter_pred = reuse_inter_pred; + ctx_den->best_tx_size = bp->best_tx_size; + ctx_den->best_mode = bp->best_mode; + ctx_den->best_ref_frame = bp->best_ref_frame; + ctx_den->best_pred_filter = bp->best_pred_filter; + ctx_den->best_mode_skip_txfm = bp->best_mode_skip_txfm; +} + +static void recheck_zeromv_after_denoising( + VP9_COMP *cpi, MODE_INFO *const mi, MACROBLOCK *x, MACROBLOCKD *const xd, + VP9_DENOISER_DECISION decision, VP9_PICKMODE_CTX_DEN *ctx_den, + struct buf_2d yv12_mb[4][MAX_MB_PLANE], RD_COST *best_rdc, BLOCK_SIZE bsize, + int mi_row, int mi_col) { + // If INTRA or GOLDEN reference was selected, re-evaluate ZEROMV on + // denoised result. Only do this under noise conditions, and if rdcost of + // ZEROMV onoriginal source is not significantly higher than rdcost of best + // mode. + if (cpi->noise_estimate.enabled && cpi->noise_estimate.level > kLow && + ctx_den->zero_last_cost_orig < (best_rdc->rdcost << 3) && + ((ctx_den->best_ref_frame == INTRA_FRAME && decision >= FILTER_BLOCK) || + (ctx_den->best_ref_frame == GOLDEN_FRAME && + cpi->svc.number_spatial_layers == 1 && + decision == FILTER_ZEROMV_BLOCK))) { + // Check if we should pick ZEROMV on denoised signal. + VP9_COMMON *const cm = &cpi->common; + int rate = 0; + int64_t dist = 0; + uint32_t var_y = UINT_MAX; + uint32_t sse_y = UINT_MAX; + RD_COST this_rdc; + mi->mode = ZEROMV; + mi->ref_frame[0] = LAST_FRAME; + mi->ref_frame[1] = NO_REF_FRAME; + set_ref_ptrs(cm, xd, mi->ref_frame[0], NO_REF_FRAME); + mi->mv[0].as_int = 0; + mi->interp_filter = EIGHTTAP; + if (cpi->sf.default_interp_filter == BILINEAR) mi->interp_filter = BILINEAR; + xd->plane[0].pre[0] = yv12_mb[LAST_FRAME][0]; + 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, 0); + this_rdc.rate = rate + ctx_den->ref_frame_cost[LAST_FRAME] + + cpi->inter_mode_cost[x->mbmi_ext->mode_context[LAST_FRAME]] + [INTER_OFFSET(ZEROMV)]; + this_rdc.dist = dist; + this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, rate, dist); + // Don't switch to ZEROMV if the rdcost for ZEROMV on denoised source + // is higher than best_ref mode (on original source). + if (this_rdc.rdcost > best_rdc->rdcost) { + this_rdc = *best_rdc; + mi->mode = ctx_den->best_mode; + mi->ref_frame[0] = ctx_den->best_ref_frame; + set_ref_ptrs(cm, xd, mi->ref_frame[0], NO_REF_FRAME); + mi->interp_filter = ctx_den->best_pred_filter; + if (ctx_den->best_ref_frame == INTRA_FRAME) { + mi->mv[0].as_int = INVALID_MV; + mi->interp_filter = SWITCHABLE_FILTERS; + } else if (ctx_den->best_ref_frame == GOLDEN_FRAME) { + mi->mv[0].as_int = + ctx_den->frame_mv[ctx_den->best_mode][ctx_den->best_ref_frame] + .as_int; + if (ctx_den->reuse_inter_pred) { + xd->plane[0].pre[0] = yv12_mb[GOLDEN_FRAME][0]; + vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); + } + } + mi->tx_size = ctx_den->best_tx_size; + x->skip_txfm[0] = ctx_den->best_mode_skip_txfm; + } else { + ctx_den->best_ref_frame = LAST_FRAME; + *best_rdc = this_rdc; + } + } +} +#endif // CONFIG_VP9_TEMPORAL_DENOISING + +static INLINE int get_force_skip_low_temp_var(uint8_t *variance_low, int mi_row, + int mi_col, BLOCK_SIZE bsize) { + const int i = (mi_row & 0x7) >> 1; + const int j = (mi_col & 0x7) >> 1; + int force_skip_low_temp_var = 0; + // Set force_skip_low_temp_var based on the block size and block offset. + if (bsize == BLOCK_64X64) { + force_skip_low_temp_var = variance_low[0]; + } else if (bsize == BLOCK_64X32) { + if (!(mi_col & 0x7) && !(mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[1]; + } else if (!(mi_col & 0x7) && (mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[2]; + } + } else if (bsize == BLOCK_32X64) { + if (!(mi_col & 0x7) && !(mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[3]; + } else if ((mi_col & 0x7) && !(mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[4]; + } + } else if (bsize == BLOCK_32X32) { + if (!(mi_col & 0x7) && !(mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[5]; + } else if ((mi_col & 0x7) && !(mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[6]; + } else if (!(mi_col & 0x7) && (mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[7]; + } else if ((mi_col & 0x7) && (mi_row & 0x7)) { + force_skip_low_temp_var = variance_low[8]; + } + } else if (bsize == BLOCK_16X16) { + force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]]; + } else if (bsize == BLOCK_32X16) { + // The col shift index for the second 16x16 block. + const int j2 = ((mi_col + 2) & 0x7) >> 1; + // Only if each 16x16 block inside has low temporal variance. + force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]] && + variance_low[pos_shift_16x16[i][j2]]; + } else if (bsize == BLOCK_16X32) { + // The row shift index for the second 16x16 block. + const int i2 = ((mi_row + 2) & 0x7) >> 1; + force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]] && + variance_low[pos_shift_16x16[i2][j]]; + } + return force_skip_low_temp_var; +} + +static void search_filter_ref(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *this_rdc, + int mi_row, int mi_col, PRED_BUFFER *tmp, + BLOCK_SIZE bsize, int reuse_inter_pred, + PRED_BUFFER **this_mode_pred, unsigned int *var_y, + unsigned int *sse_y, int force_smooth_filter, + int *this_early_term, int *flag_preduv_computed, + int use_model_yrd_large) { + MACROBLOCKD *const xd = &x->e_mbd; + MODE_INFO *const mi = xd->mi[0]; + struct macroblockd_plane *const pd = &xd->plane[0]; + const int bw = num_4x4_blocks_wide_lookup[bsize] << 2; + + int pf_rate[3] = { 0 }; + int64_t pf_dist[3] = { 0 }; + int curr_rate[3] = { 0 }; + unsigned int pf_var[3] = { 0 }; + unsigned int pf_sse[3] = { 0 }; + TX_SIZE pf_tx_size[3] = { 0 }; + int64_t best_cost = INT64_MAX; + INTERP_FILTER best_filter = SWITCHABLE, filter; + PRED_BUFFER *current_pred = *this_mode_pred; + uint8_t skip_txfm = SKIP_TXFM_NONE; + int best_early_term = 0; + int best_flag_preduv_computed[2] = { 0 }; + INTERP_FILTER filter_start = force_smooth_filter ? EIGHTTAP_SMOOTH : EIGHTTAP; + INTERP_FILTER filter_end = EIGHTTAP_SMOOTH; + for (filter = filter_start; filter <= filter_end; ++filter) { + int64_t cost; + mi->interp_filter = filter; + vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); + // For large partition blocks, extra testing is done. + if (use_model_yrd_large) + model_rd_for_sb_y_large(cpi, bsize, x, xd, &pf_rate[filter], + &pf_dist[filter], &pf_var[filter], + &pf_sse[filter], mi_row, mi_col, this_early_term, + flag_preduv_computed); + else + model_rd_for_sb_y(cpi, bsize, x, xd, &pf_rate[filter], &pf_dist[filter], + &pf_var[filter], &pf_sse[filter], 0); + curr_rate[filter] = pf_rate[filter]; + pf_rate[filter] += vp9_get_switchable_rate(cpi, xd); + cost = RDCOST(x->rdmult, x->rddiv, pf_rate[filter], pf_dist[filter]); + pf_tx_size[filter] = mi->tx_size; + if (cost < best_cost) { + best_filter = filter; + best_cost = cost; + skip_txfm = x->skip_txfm[0]; + best_early_term = *this_early_term; + best_flag_preduv_computed[0] = flag_preduv_computed[0]; + best_flag_preduv_computed[1] = flag_preduv_computed[1]; + + if (reuse_inter_pred) { + if (*this_mode_pred != current_pred) { + free_pred_buffer(*this_mode_pred); + *this_mode_pred = current_pred; + } + if (filter != filter_end) { + current_pred = &tmp[get_pred_buffer(tmp, 3)]; + pd->dst.buf = current_pred->data; + pd->dst.stride = bw; + } + } + } + } + + if (reuse_inter_pred && *this_mode_pred != current_pred) + free_pred_buffer(current_pred); + + mi->interp_filter = best_filter; + mi->tx_size = pf_tx_size[best_filter]; + this_rdc->rate = curr_rate[best_filter]; + this_rdc->dist = pf_dist[best_filter]; + *var_y = pf_var[best_filter]; + *sse_y = pf_sse[best_filter]; + x->skip_txfm[0] = skip_txfm; + *this_early_term = best_early_term; + flag_preduv_computed[0] = best_flag_preduv_computed[0]; + flag_preduv_computed[1] = best_flag_preduv_computed[1]; + if (reuse_inter_pred) { + pd->dst.buf = (*this_mode_pred)->data; + pd->dst.stride = (*this_mode_pred)->stride; + } else if (best_filter < filter_end) { + mi->interp_filter = best_filter; + vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); + } +} + +static int search_new_mv(VP9_COMP *cpi, MACROBLOCK *x, + int_mv frame_mv[][MAX_REF_FRAMES], + MV_REFERENCE_FRAME ref_frame, int gf_temporal_ref, + BLOCK_SIZE bsize, int mi_row, int mi_col, + int best_pred_sad, int *rate_mv, + unsigned int best_sse_sofar, RD_COST *best_rdc) { + SVC *const svc = &cpi->svc; + MACROBLOCKD *const xd = &x->e_mbd; + MODE_INFO *const mi = xd->mi[0]; + SPEED_FEATURES *const sf = &cpi->sf; + + if (ref_frame > LAST_FRAME && gf_temporal_ref && + cpi->oxcf.rc_mode == VPX_CBR) { + int tmp_sad; + uint32_t dis; + int cost_list[5] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX, INT_MAX }; + + if (bsize < BLOCK_16X16) return -1; + + tmp_sad = vp9_int_pro_motion_estimation( + cpi, x, bsize, mi_row, mi_col, + &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv); + + if (tmp_sad > x->pred_mv_sad[LAST_FRAME]) return -1; + if (tmp_sad + (num_pels_log2_lookup[bsize] << 4) > best_pred_sad) return -1; + + frame_mv[NEWMV][ref_frame].as_int = mi->mv[0].as_int; + *rate_mv = vp9_mv_bit_cost(&frame_mv[NEWMV][ref_frame].as_mv, + &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv, + x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); + frame_mv[NEWMV][ref_frame].as_mv.row >>= 3; + frame_mv[NEWMV][ref_frame].as_mv.col >>= 3; + + cpi->find_fractional_mv_step( + x, &frame_mv[NEWMV][ref_frame].as_mv, + &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv, + cpi->common.allow_high_precision_mv, x->errorperbit, + &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop, + cpi->sf.mv.subpel_search_level, cond_cost_list(cpi, cost_list), + x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref_frame], NULL, 0, 0, + cpi->sf.use_accurate_subpel_search); + } else if (svc->use_base_mv && svc->spatial_layer_id) { + if (frame_mv[NEWMV][ref_frame].as_int != INVALID_MV) { + const int pre_stride = xd->plane[0].pre[0].stride; + unsigned int base_mv_sse = UINT_MAX; + int scale = (cpi->rc.avg_frame_low_motion > 60) ? 2 : 4; + const uint8_t *const pre_buf = + xd->plane[0].pre[0].buf + + (frame_mv[NEWMV][ref_frame].as_mv.row >> 3) * pre_stride + + (frame_mv[NEWMV][ref_frame].as_mv.col >> 3); + cpi->fn_ptr[bsize].vf(x->plane[0].src.buf, x->plane[0].src.stride, + pre_buf, pre_stride, &base_mv_sse); + + // Exit NEWMV search if base_mv is (0,0) && bsize < BLOCK_16x16, + // for SVC encoding. + if (cpi->use_svc && svc->use_base_mv && bsize < BLOCK_16X16 && + frame_mv[NEWMV][ref_frame].as_mv.row == 0 && + frame_mv[NEWMV][ref_frame].as_mv.col == 0) + return -1; + + // Exit NEWMV search if base_mv_sse is large. + if (sf->base_mv_aggressive && (base_mv_sse >> scale) > best_sse_sofar) + return -1; + if ((base_mv_sse >> 1) < best_sse_sofar) { + // Base layer mv is good. + // Exit NEWMV search if the base_mv is (0, 0) and sse is low, since + // (0, 0) mode is already tested. + unsigned int base_mv_sse_normalized = + base_mv_sse >> + (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); + if (sf->base_mv_aggressive && base_mv_sse <= best_sse_sofar && + base_mv_sse_normalized < 400 && + frame_mv[NEWMV][ref_frame].as_mv.row == 0 && + frame_mv[NEWMV][ref_frame].as_mv.col == 0) + return -1; + if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, + &frame_mv[NEWMV][ref_frame], rate_mv, + best_rdc->rdcost, 1)) { + return -1; + } + } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, + &frame_mv[NEWMV][ref_frame], rate_mv, + best_rdc->rdcost, 0)) { + return -1; + } + } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, + &frame_mv[NEWMV][ref_frame], rate_mv, + best_rdc->rdcost, 0)) { + return -1; + } + } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, + &frame_mv[NEWMV][ref_frame], rate_mv, + best_rdc->rdcost, 0)) { + return -1; + } + + return 0; +} + +static INLINE void init_best_pickmode(BEST_PICKMODE *bp) { + bp->best_mode = ZEROMV; + bp->best_ref_frame = LAST_FRAME; + bp->best_tx_size = TX_SIZES; + bp->best_intra_tx_size = TX_SIZES; + bp->best_pred_filter = EIGHTTAP; + bp->best_mode_skip_txfm = SKIP_TXFM_NONE; + bp->best_second_ref_frame = NO_REF_FRAME; + bp->best_pred = NULL; +} + +void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, TileDataEnc *tile_data, + int mi_row, int mi_col, RD_COST *rd_cost, + BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { + VP9_COMMON *const cm = &cpi->common; + SPEED_FEATURES *const sf = &cpi->sf; + SVC *const svc = &cpi->svc; + MACROBLOCKD *const xd = &x->e_mbd; + MODE_INFO *const mi = xd->mi[0]; + struct macroblockd_plane *const pd = &xd->plane[0]; + + BEST_PICKMODE best_pickmode; + + MV_REFERENCE_FRAME ref_frame; + MV_REFERENCE_FRAME usable_ref_frame, second_ref_frame; + int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; + uint8_t mode_checked[MB_MODE_COUNT][MAX_REF_FRAMES]; + struct buf_2d yv12_mb[4][MAX_MB_PLANE]; + RD_COST this_rdc, best_rdc; + // 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 = + vp9_get_intra_cost_penalty(cpi, bsize, cm->base_qindex, cm->y_dc_delta_q); + int64_t inter_mode_thresh = + RDCOST(x->rdmult, x->rddiv, intra_cost_penalty, 0); + const int *const rd_threshes = cpi->rd.threshes[mi->segment_id][bsize]; + const int sb_row = mi_row >> MI_BLOCK_SIZE_LOG2; + int thresh_freq_fact_idx = (sb_row * BLOCK_SIZES + bsize) * MAX_MODES; + const int *const rd_thresh_freq_fact = + (cpi->sf.adaptive_rd_thresh_row_mt) + ? &(tile_data->row_base_thresh_freq_fact[thresh_freq_fact_idx]) + : tile_data->thresh_freq_fact[bsize]; +#if CONFIG_VP9_TEMPORAL_DENOISING + const int denoise_recheck_zeromv = 1; +#endif + INTERP_FILTER filter_ref; + int pred_filter_search = cm->interp_filter == SWITCHABLE; + 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(16, uint8_t, pred_buf[3 * 64 * 64] VPX_UNINITIALIZED); +#if CONFIG_VP9_HIGHBITDEPTH + DECLARE_ALIGNED(16, uint16_t, pred_buf_16[3 * 64 * 64] VPX_UNINITIALIZED); +#endif + struct buf_2d orig_dst = pd->dst; + PRED_BUFFER *this_mode_pred = NULL; + const int pixels_in_block = bh * bw; + int reuse_inter_pred = cpi->sf.reuse_inter_pred_sby && ctx->pred_pixel_ready; + int ref_frame_skip_mask = 0; + int idx; + int best_pred_sad = INT_MAX; + int best_early_term = 0; + int ref_frame_cost[MAX_REF_FRAMES]; + int svc_force_zero_mode[3] = { 0 }; + int perform_intra_pred = 1; + int use_golden_nonzeromv = 1; + int force_skip_low_temp_var = 0; + int skip_ref_find_pred[4] = { 0 }; + unsigned int sse_zeromv_normalized = UINT_MAX; + unsigned int best_sse_sofar = UINT_MAX; + int gf_temporal_ref = 0; + int force_test_gf_zeromv = 0; +#if CONFIG_VP9_TEMPORAL_DENOISING + VP9_PICKMODE_CTX_DEN ctx_den; + int64_t zero_last_cost_orig = INT64_MAX; + int denoise_svc_pickmode = 1; +#endif + INTERP_FILTER filter_gf_svc = EIGHTTAP; + MV_REFERENCE_FRAME inter_layer_ref = GOLDEN_FRAME; + const struct segmentation *const seg = &cm->seg; + int comp_modes = 0; + int num_inter_modes = (cpi->use_svc) ? RT_INTER_MODES_SVC : RT_INTER_MODES; + int flag_svc_subpel = 0; + int svc_mv_col = 0; + int svc_mv_row = 0; + int no_scaling = 0; + int large_block = 0; + int use_model_yrd_large = 0; + unsigned int thresh_svc_skip_golden = 500; + unsigned int thresh_skip_golden = 500; + int force_smooth_filter = cpi->sf.force_smooth_interpol; + int scene_change_detected = + cpi->rc.high_source_sad || + (cpi->use_svc && cpi->svc.high_source_sad_superframe); + + init_best_pickmode(&best_pickmode); + + x->encode_breakout = seg->enabled + ? cpi->segment_encode_breakout[mi->segment_id] + : cpi->encode_breakout; + + x->source_variance = UINT_MAX; + if (cpi->sf.default_interp_filter == BILINEAR) { + best_pickmode.best_pred_filter = BILINEAR; + filter_gf_svc = BILINEAR; + } + if (cpi->use_svc && svc->spatial_layer_id > 0) { + int layer = + LAYER_IDS_TO_IDX(svc->spatial_layer_id - 1, svc->temporal_layer_id, + svc->number_temporal_layers); + LAYER_CONTEXT *const lc = &svc->layer_context[layer]; + if (lc->scaling_factor_num == lc->scaling_factor_den) no_scaling = 1; + } + if (svc->spatial_layer_id > 0 && + (svc->high_source_sad_superframe || no_scaling)) + thresh_svc_skip_golden = 0; + // Lower the skip threshold if lower spatial layer is better quality relative + // to current layer. + else if (svc->spatial_layer_id > 0 && cm->base_qindex > 150 && + cm->base_qindex > svc->lower_layer_qindex + 15) + thresh_svc_skip_golden = 100; + // Increase skip threshold if lower spatial layer is lower quality relative + // to current layer. + else if (svc->spatial_layer_id > 0 && cm->base_qindex < 140 && + cm->base_qindex < svc->lower_layer_qindex - 20) + thresh_svc_skip_golden = 1000; + + if (!cpi->use_svc || + (svc->use_gf_temporal_ref_current_layer && + !svc->layer_context[svc->temporal_layer_id].is_key_frame)) { + struct scale_factors *const sf_last = &cm->frame_refs[LAST_FRAME - 1].sf; + struct scale_factors *const sf_golden = + &cm->frame_refs[GOLDEN_FRAME - 1].sf; + gf_temporal_ref = 1; + // For temporal long term prediction, check that the golden reference + // is same scale as last reference, otherwise disable. + if ((sf_last->x_scale_fp != sf_golden->x_scale_fp) || + (sf_last->y_scale_fp != sf_golden->y_scale_fp)) { + gf_temporal_ref = 0; + } else { + if (cpi->rc.avg_frame_low_motion > 70) + thresh_svc_skip_golden = 500; + else + thresh_svc_skip_golden = 0; + } + } + + init_ref_frame_cost(cm, xd, ref_frame_cost); + memset(&mode_checked[0][0], 0, MB_MODE_COUNT * MAX_REF_FRAMES); + + if (reuse_inter_pred) { + int i; + for (i = 0; i < 3; i++) { +#if CONFIG_VP9_HIGHBITDEPTH + if (cm->use_highbitdepth) + tmp[i].data = CONVERT_TO_BYTEPTR(&pred_buf_16[pixels_in_block * i]); + else + tmp[i].data = &pred_buf[pixels_in_block * i]; +#else + tmp[i].data = &pred_buf[pixels_in_block * i]; +#endif // CONFIG_VP9_HIGHBITDEPTH + 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; + + if (cpi->sf.cb_pred_filter_search) { + const int bsl = mi_width_log2_lookup[bsize]; + pred_filter_search = cm->interp_filter == SWITCHABLE + ? (((mi_row + mi_col) >> bsl) + + get_chessboard_index(cm->current_video_frame)) & + 0x1 + : 0; + } + // Instead of using vp9_get_pred_context_switchable_interp(xd) to assign + // filter_ref, we use a less strict condition on assigning filter_ref. + // This is to reduce the probabily of entering the flow of not assigning + // filter_ref and then skip filter search. + filter_ref = cm->interp_filter; + if (cpi->sf.default_interp_filter != BILINEAR) { + if (xd->above_mi && is_inter_block(xd->above_mi)) + filter_ref = xd->above_mi->interp_filter; + else if (xd->left_mi && is_inter_block(xd->left_mi)) + filter_ref = xd->left_mi->interp_filter; + } + + // initialize mode decisions + vp9_rd_cost_reset(&best_rdc); + vp9_rd_cost_reset(rd_cost); + mi->sb_type = bsize; + mi->ref_frame[0] = NO_REF_FRAME; + mi->ref_frame[1] = NO_REF_FRAME; + + mi->tx_size = + VPXMIN(max_txsize_lookup[bsize], tx_mode_to_biggest_tx_size[cm->tx_mode]); + + if (sf->short_circuit_flat_blocks || sf->limit_newmv_early_exit) { +#if CONFIG_VP9_HIGHBITDEPTH + if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) + x->source_variance = vp9_high_get_sby_perpixel_variance( + cpi, &x->plane[0].src, bsize, xd->bd); + else +#endif // CONFIG_VP9_HIGHBITDEPTH + x->source_variance = + vp9_get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize); + + if (cpi->oxcf.content == VP9E_CONTENT_SCREEN && + cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && mi->segment_id > 0 && + x->zero_temp_sad_source && x->source_variance == 0) { + mi->segment_id = 0; + vp9_init_plane_quantizers(cpi, x); + } + } + +#if CONFIG_VP9_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity > 0) { + if (cpi->use_svc) denoise_svc_pickmode = vp9_denoise_svc_non_key(cpi); + if (cpi->denoiser.denoising_level > kDenLowLow && denoise_svc_pickmode) + vp9_denoiser_reset_frame_stats(ctx); + } +#endif + + if (cpi->rc.frames_since_golden == 0 && gf_temporal_ref && + !cpi->rc.alt_ref_gf_group && !cpi->rc.last_frame_is_src_altref) { + usable_ref_frame = LAST_FRAME; + } else { + usable_ref_frame = GOLDEN_FRAME; + } + + if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) { + if (cpi->rc.alt_ref_gf_group || cpi->rc.is_src_frame_alt_ref) + usable_ref_frame = ALTREF_FRAME; + + if (cpi->rc.is_src_frame_alt_ref) { + skip_ref_find_pred[LAST_FRAME] = 1; + skip_ref_find_pred[GOLDEN_FRAME] = 1; + } + if (!cm->show_frame) { + if (cpi->rc.frames_since_key == 1) { + usable_ref_frame = LAST_FRAME; + skip_ref_find_pred[GOLDEN_FRAME] = 1; + skip_ref_find_pred[ALTREF_FRAME] = 1; + } + } + } + + // For svc mode, on spatial_layer_id > 0: if the reference has different scale + // constrain the inter mode to only test zero motion. + if (cpi->use_svc && svc->force_zero_mode_spatial_ref && + svc->spatial_layer_id > 0 && !gf_temporal_ref) { + if (cpi->ref_frame_flags & VP9_LAST_FLAG) { + struct scale_factors *const ref_sf = &cm->frame_refs[LAST_FRAME - 1].sf; + if (vp9_is_scaled(ref_sf)) { + svc_force_zero_mode[LAST_FRAME - 1] = 1; + inter_layer_ref = LAST_FRAME; + } + } + if (cpi->ref_frame_flags & VP9_GOLD_FLAG) { + struct scale_factors *const ref_sf = &cm->frame_refs[GOLDEN_FRAME - 1].sf; + if (vp9_is_scaled(ref_sf)) { + svc_force_zero_mode[GOLDEN_FRAME - 1] = 1; + inter_layer_ref = GOLDEN_FRAME; + } + } + } + + if (cpi->sf.short_circuit_low_temp_var) { + force_skip_low_temp_var = + get_force_skip_low_temp_var(&x->variance_low[0], mi_row, mi_col, bsize); + // If force_skip_low_temp_var is set, and for short circuit mode = 1 and 3, + // skip golden reference. + if ((cpi->sf.short_circuit_low_temp_var == 1 || + cpi->sf.short_circuit_low_temp_var == 3) && + force_skip_low_temp_var) { + usable_ref_frame = LAST_FRAME; + } + } + + if (sf->disable_golden_ref && (x->content_state_sb != kVeryHighSad || + cpi->rc.avg_frame_low_motion < 60)) + usable_ref_frame = LAST_FRAME; + + if (!((cpi->ref_frame_flags & VP9_GOLD_FLAG) && + !svc_force_zero_mode[GOLDEN_FRAME - 1] && !force_skip_low_temp_var)) + use_golden_nonzeromv = 0; + + if (cpi->oxcf.speed >= 8 && !cpi->use_svc && + ((cpi->rc.frames_since_golden + 1) < x->last_sb_high_content || + x->last_sb_high_content > 40 || cpi->rc.frames_since_golden > 120)) + usable_ref_frame = LAST_FRAME; + + // Compound prediction modes: (0,0) on LAST/GOLDEN and ARF. + if (cm->reference_mode == REFERENCE_MODE_SELECT && + cpi->sf.use_compound_nonrd_pickmode && usable_ref_frame == ALTREF_FRAME) + comp_modes = 2; + + // If the segment reference frame feature is enabled and it's set to GOLDEN + // reference, then make sure we don't skip checking GOLDEN, this is to + // prevent possibility of not picking any mode. + if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME) && + get_segdata(seg, mi->segment_id, SEG_LVL_REF_FRAME) == GOLDEN_FRAME) { + usable_ref_frame = GOLDEN_FRAME; + skip_ref_find_pred[GOLDEN_FRAME] = 0; + thresh_svc_skip_golden = 0; + } + + for (ref_frame = LAST_FRAME; ref_frame <= usable_ref_frame; ++ref_frame) { + // Skip find_predictor if the reference frame is not in the + // ref_frame_flags (i.e., not used as a reference for this frame). + skip_ref_find_pred[ref_frame] = + !(cpi->ref_frame_flags & ref_frame_to_flag(ref_frame)); + if (!skip_ref_find_pred[ref_frame]) { + find_predictors(cpi, x, ref_frame, frame_mv, const_motion, + &ref_frame_skip_mask, tile_data, mi_row, mi_col, yv12_mb, + bsize, force_skip_low_temp_var, comp_modes > 0); + } + } + + if (cpi->use_svc || cpi->oxcf.speed <= 7 || bsize < BLOCK_32X32) + x->sb_use_mv_part = 0; + + // Set the flag_svc_subpel to 1 for SVC if the lower spatial layer used + // an averaging filter for downsampling (phase = 8). If so, we will test + // a nonzero motion mode on the spatial reference. + // The nonzero motion is half pixel shifted to left and top (-4, -4). + if (cpi->use_svc && svc->spatial_layer_id > 0 && + svc_force_zero_mode[inter_layer_ref - 1] && + svc->downsample_filter_phase[svc->spatial_layer_id - 1] == 8 && + !gf_temporal_ref) { + svc_mv_col = -4; + svc_mv_row = -4; + flag_svc_subpel = 1; + } + + // For SVC with quality layers, when QP of lower layer is lower + // than current layer: force check of GF-ZEROMV before early exit + // due to skip flag. + if (svc->spatial_layer_id > 0 && no_scaling && + (cpi->ref_frame_flags & VP9_GOLD_FLAG) && + cm->base_qindex > svc->lower_layer_qindex + 10) + force_test_gf_zeromv = 1; + + // For low motion content use x->sb_is_skin in addition to VeryHighSad + // for setting large_block. + large_block = (x->content_state_sb == kVeryHighSad || + (x->sb_is_skin && cpi->rc.avg_frame_low_motion > 70) || + cpi->oxcf.speed < 7) + ? bsize > BLOCK_32X32 + : bsize >= BLOCK_32X32; + use_model_yrd_large = + cpi->oxcf.rc_mode == VPX_CBR && large_block && + !cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id) && + cm->base_qindex; + + for (idx = 0; idx < num_inter_modes + comp_modes; ++idx) { + int rate_mv = 0; + int mode_rd_thresh; + int mode_index; + int i; + int64_t this_sse; + int is_skippable; + int this_early_term = 0; + int rd_computed = 0; + int flag_preduv_computed[2] = { 0 }; + int inter_mv_mode = 0; + int skip_this_mv = 0; + int comp_pred = 0; + int force_mv_inter_layer = 0; + PREDICTION_MODE this_mode; + second_ref_frame = NO_REF_FRAME; + + if (idx < num_inter_modes) { + this_mode = ref_mode_set[idx].pred_mode; + ref_frame = ref_mode_set[idx].ref_frame; + + if (cpi->use_svc) { + this_mode = ref_mode_set_svc[idx].pred_mode; + ref_frame = ref_mode_set_svc[idx].ref_frame; + } + } else { + // Add (0,0) compound modes. + this_mode = ZEROMV; + ref_frame = LAST_FRAME; + if (idx == num_inter_modes + comp_modes - 1) ref_frame = GOLDEN_FRAME; + second_ref_frame = ALTREF_FRAME; + comp_pred = 1; + } + + if (ref_frame > usable_ref_frame) continue; + if (skip_ref_find_pred[ref_frame]) continue; + + if (svc->previous_frame_is_intra_only) { + if (ref_frame != LAST_FRAME || frame_mv[this_mode][ref_frame].as_int != 0) + continue; + } + + // If the segment reference frame feature is enabled then do nothing if the + // current ref frame is not allowed. + if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME) && + get_segdata(seg, mi->segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) + continue; + + if (flag_svc_subpel && ref_frame == inter_layer_ref) { + force_mv_inter_layer = 1; + // Only test mode if NEARESTMV/NEARMV is (svc_mv_col, svc_mv_row), + // otherwise set NEWMV to (svc_mv_col, svc_mv_row). + if (this_mode == NEWMV) { + frame_mv[this_mode][ref_frame].as_mv.col = svc_mv_col; + frame_mv[this_mode][ref_frame].as_mv.row = svc_mv_row; + } else if (frame_mv[this_mode][ref_frame].as_mv.col != svc_mv_col || + frame_mv[this_mode][ref_frame].as_mv.row != svc_mv_row) { + continue; + } + } + + if (comp_pred) { + if (!cpi->allow_comp_inter_inter) continue; + // Skip compound inter modes if ARF is not available. + if (!(cpi->ref_frame_flags & ref_frame_to_flag(second_ref_frame))) + continue; + // Do not allow compound prediction if the segment level reference frame + // feature is in use as in this case there can only be one reference. + if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME)) continue; + } + + // For CBR mode: skip the golden reference search if sse of zeromv_last is + // below threshold. + if (ref_frame == GOLDEN_FRAME && cpi->oxcf.rc_mode == VPX_CBR && + ((cpi->use_svc && sse_zeromv_normalized < thresh_svc_skip_golden) || + (!cpi->use_svc && sse_zeromv_normalized < thresh_skip_golden))) + continue; + + if (!(cpi->ref_frame_flags & ref_frame_to_flag(ref_frame))) continue; + + // For screen content. If zero_temp_sad source is computed: skip + // non-zero motion check for stationary blocks. If the superblock is + // non-stationary then for flat blocks skip the zero last check (keep golden + // as it may be inter-layer reference). Otherwise (if zero_temp_sad_source + // is not computed) skip non-zero motion check for flat blocks. + // TODO(marpan): Compute zero_temp_sad_source per coding block. + if (cpi->oxcf.content == VP9E_CONTENT_SCREEN) { + if (cpi->compute_source_sad_onepass && cpi->sf.use_source_sad) { + if ((frame_mv[this_mode][ref_frame].as_int != 0 && + x->zero_temp_sad_source) || + (frame_mv[this_mode][ref_frame].as_int == 0 && + x->source_variance == 0 && ref_frame == LAST_FRAME && + !x->zero_temp_sad_source)) + continue; + } else if (frame_mv[this_mode][ref_frame].as_int != 0 && + x->source_variance == 0) { + continue; + } + } + + if (!(cpi->sf.inter_mode_mask[bsize] & (1 << this_mode))) continue; + + if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) { + if (cpi->rc.is_src_frame_alt_ref && + (ref_frame != ALTREF_FRAME || + frame_mv[this_mode][ref_frame].as_int != 0)) + continue; + + if (!cm->show_frame && ref_frame == ALTREF_FRAME && + frame_mv[this_mode][ref_frame].as_int != 0) + continue; + + if (cpi->rc.alt_ref_gf_group && cm->show_frame && + cpi->rc.frames_since_golden > (cpi->rc.baseline_gf_interval >> 1) && + ref_frame == GOLDEN_FRAME && + frame_mv[this_mode][ref_frame].as_int != 0) + continue; + + if (cpi->rc.alt_ref_gf_group && cm->show_frame && + cpi->rc.frames_since_golden > 0 && + cpi->rc.frames_since_golden < (cpi->rc.baseline_gf_interval >> 1) && + ref_frame == ALTREF_FRAME && + frame_mv[this_mode][ref_frame].as_int != 0) + continue; + } + + if (const_motion[ref_frame] && this_mode == NEARMV) continue; + + // Skip non-zeromv mode search for golden frame if force_skip_low_temp_var + // is set. If nearestmv for golden frame is 0, zeromv mode will be skipped + // later. + if (!force_mv_inter_layer && force_skip_low_temp_var && + ref_frame == GOLDEN_FRAME && + frame_mv[this_mode][ref_frame].as_int != 0) { + continue; + } + + if (x->content_state_sb != kVeryHighSad && + (cpi->sf.short_circuit_low_temp_var >= 2 || + (cpi->sf.short_circuit_low_temp_var == 1 && bsize == BLOCK_64X64)) && + force_skip_low_temp_var && ref_frame == LAST_FRAME && + this_mode == NEWMV) { + continue; + } + + if (cpi->use_svc) { + if (!force_mv_inter_layer && svc_force_zero_mode[ref_frame - 1] && + frame_mv[this_mode][ref_frame].as_int != 0) + continue; + } + + // Disable this drop out case if the ref frame segment level feature is + // enabled for this segment. This is to prevent the possibility that we end + // up unable to pick any mode. + if (!segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME)) { + if (sf->reference_masking && + !(frame_mv[this_mode][ref_frame].as_int == 0 && + ref_frame == LAST_FRAME)) { + if (usable_ref_frame < ALTREF_FRAME) { + if (!force_skip_low_temp_var && usable_ref_frame > LAST_FRAME) { + i = (ref_frame == LAST_FRAME) ? GOLDEN_FRAME : LAST_FRAME; + if ((cpi->ref_frame_flags & ref_frame_to_flag(i))) + if (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[i] << 1)) + ref_frame_skip_mask |= (1 << ref_frame); + } + } else if (!cpi->rc.is_src_frame_alt_ref && + !(frame_mv[this_mode][ref_frame].as_int == 0 && + ref_frame == ALTREF_FRAME)) { + int ref1 = (ref_frame == GOLDEN_FRAME) ? LAST_FRAME : GOLDEN_FRAME; + int ref2 = (ref_frame == ALTREF_FRAME) ? LAST_FRAME : ALTREF_FRAME; + if (((cpi->ref_frame_flags & ref_frame_to_flag(ref1)) && + (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref1] << 1))) || + ((cpi->ref_frame_flags & ref_frame_to_flag(ref2)) && + (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref2] << 1)))) + ref_frame_skip_mask |= (1 << ref_frame); + } + } + if (ref_frame_skip_mask & (1 << ref_frame)) continue; + } + + // Select prediction reference frames. + for (i = 0; i < MAX_MB_PLANE; i++) { + xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; + if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i]; + } + + mi->ref_frame[0] = ref_frame; + mi->ref_frame[1] = second_ref_frame; + set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); + + mode_index = mode_idx[ref_frame][INTER_OFFSET(this_mode)]; + mode_rd_thresh = best_pickmode.best_mode_skip_txfm + ? rd_threshes[mode_index] << 1 + : rd_threshes[mode_index]; + + // Increase mode_rd_thresh value for GOLDEN_FRAME for improved encoding + // speed with little/no subjective quality loss. + if (cpi->sf.bias_golden && ref_frame == GOLDEN_FRAME && + cpi->rc.frames_since_golden > 4) + mode_rd_thresh = mode_rd_thresh << 3; + + if ((cpi->sf.adaptive_rd_thresh_row_mt && + rd_less_than_thresh_row_mt(best_rdc.rdcost, mode_rd_thresh, + &rd_thresh_freq_fact[mode_index])) || + (!cpi->sf.adaptive_rd_thresh_row_mt && + rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh, + &rd_thresh_freq_fact[mode_index]))) + if (frame_mv[this_mode][ref_frame].as_int != 0) continue; + + if (this_mode == NEWMV && !force_mv_inter_layer) { + if (search_new_mv(cpi, x, frame_mv, ref_frame, gf_temporal_ref, bsize, + mi_row, mi_col, best_pred_sad, &rate_mv, best_sse_sofar, + &best_rdc)) + continue; + } + + // TODO(jianj): Skipping the testing of (duplicate) non-zero motion vector + // causes some regression, leave it for duplicate zero-mv for now, until + // regression issue is resolved. + for (inter_mv_mode = NEARESTMV; inter_mv_mode <= NEWMV; inter_mv_mode++) { + if (inter_mv_mode == this_mode || comp_pred) continue; + if (mode_checked[inter_mv_mode][ref_frame] && + frame_mv[this_mode][ref_frame].as_int == + frame_mv[inter_mv_mode][ref_frame].as_int && + frame_mv[inter_mv_mode][ref_frame].as_int == 0) { + skip_this_mv = 1; + break; + } + } + + if (skip_this_mv) continue; + + // If use_golden_nonzeromv is false, NEWMV mode is skipped for golden, no + // need to compute best_pred_sad which is only used to skip golden NEWMV. + if (use_golden_nonzeromv && this_mode == NEWMV && ref_frame == LAST_FRAME && + frame_mv[NEWMV][LAST_FRAME].as_int != INVALID_MV) { + const int pre_stride = xd->plane[0].pre[0].stride; + const uint8_t *const pre_buf = + xd->plane[0].pre[0].buf + + (frame_mv[NEWMV][LAST_FRAME].as_mv.row >> 3) * pre_stride + + (frame_mv[NEWMV][LAST_FRAME].as_mv.col >> 3); + best_pred_sad = cpi->fn_ptr[bsize].sdf( + x->plane[0].src.buf, x->plane[0].src.stride, pre_buf, pre_stride); + x->pred_mv_sad[LAST_FRAME] = best_pred_sad; + } + + if (this_mode != NEARESTMV && !comp_pred && + frame_mv[this_mode][ref_frame].as_int == + frame_mv[NEARESTMV][ref_frame].as_int) + continue; + + mi->mode = this_mode; + mi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int; + mi->mv[1].as_int = 0; + + // 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 (reuse_inter_pred) { + if (!this_mode_pred) { + 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 && + (ref_frame == LAST_FRAME || + (ref_frame == GOLDEN_FRAME && !force_mv_inter_layer && + (cpi->use_svc || cpi->oxcf.rc_mode == VPX_VBR))) && + (((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07) != 0)) { + rd_computed = 1; + search_filter_ref(cpi, x, &this_rdc, mi_row, mi_col, tmp, bsize, + reuse_inter_pred, &this_mode_pred, &var_y, &sse_y, + force_smooth_filter, &this_early_term, + flag_preduv_computed, use_model_yrd_large); + } else { + mi->interp_filter = (filter_ref == SWITCHABLE) ? EIGHTTAP : filter_ref; + + if (cpi->use_svc && ref_frame == GOLDEN_FRAME && + svc_force_zero_mode[ref_frame - 1]) + mi->interp_filter = filter_gf_svc; + + vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); + + // For large partition blocks, extra testing is done. + if (use_model_yrd_large) { + rd_computed = 1; + model_rd_for_sb_y_large(cpi, bsize, x, xd, &this_rdc.rate, + &this_rdc.dist, &var_y, &sse_y, mi_row, mi_col, + &this_early_term, flag_preduv_computed); + } else { + rd_computed = 1; + model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, + &var_y, &sse_y, 0); + } + // Save normalized sse (between current and last frame) for (0, 0) motion. + if (ref_frame == LAST_FRAME && + frame_mv[this_mode][ref_frame].as_int == 0) { + sse_zeromv_normalized = + sse_y >> (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); + } + if (sse_y < best_sse_sofar) best_sse_sofar = sse_y; + } + + if (!this_early_term) { + this_sse = (int64_t)sse_y; + block_yrd(cpi, x, &this_rdc, &is_skippable, &this_sse, bsize, + VPXMIN(mi->tx_size, TX_16X16), rd_computed, 0); + x->skip_txfm[0] = is_skippable; + if (is_skippable) { + this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); + } else { + if (RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist) < + RDCOST(x->rdmult, x->rddiv, 0, this_sse)) { + this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0); + } else { + this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); + this_rdc.dist = this_sse; + x->skip_txfm[0] = SKIP_TXFM_AC_DC; + } + } + + if (cm->interp_filter == SWITCHABLE) { + if ((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07) + this_rdc.rate += vp9_get_switchable_rate(cpi, xd); + } + } else { + if (cm->interp_filter == SWITCHABLE) { + if ((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07) + this_rdc.rate += vp9_get_switchable_rate(cpi, xd); + } + this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); + } + + if (!this_early_term && + (x->color_sensitivity[0] || x->color_sensitivity[1])) { + RD_COST rdc_uv; + const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, &xd->plane[1]); + if (x->color_sensitivity[0] && !flag_preduv_computed[0]) { + vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 1); + flag_preduv_computed[0] = 1; + } + if (x->color_sensitivity[1] && !flag_preduv_computed[1]) { + vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 2); + flag_preduv_computed[1] = 1; + } + model_rd_for_sb_uv(cpi, uv_bsize, x, xd, &rdc_uv, &var_y, &sse_y, 1, 2); + this_rdc.rate += rdc_uv.rate; + this_rdc.dist += rdc_uv.dist; + } + + this_rdc.rate += rate_mv; + this_rdc.rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] + [INTER_OFFSET(this_mode)]; + // TODO(marpan): Add costing for compound mode. + this_rdc.rate += ref_frame_cost[ref_frame]; + this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); + + // Bias against NEWMV that is very different from its neighbors, and bias + // to small motion-lastref for noisy input. + if (cpi->oxcf.rc_mode == VPX_CBR && cpi->oxcf.speed >= 5 && + cpi->oxcf.content != VP9E_CONTENT_SCREEN) { + vp9_NEWMV_diff_bias(&cpi->noise_estimate, xd, this_mode, &this_rdc, bsize, + frame_mv[this_mode][ref_frame].as_mv.row, + frame_mv[this_mode][ref_frame].as_mv.col, + ref_frame == LAST_FRAME, x->lowvar_highsumdiff, + x->sb_is_skin); + } + + // Skipping checking: test to see if this block can be reconstructed by + // prediction only. + if (cpi->allow_encode_breakout && !xd->lossless && !scene_change_detected && + !svc->high_num_blocks_with_motion) { + encode_breakout_test(cpi, x, bsize, mi_row, mi_col, ref_frame, this_mode, + var_y, sse_y, yv12_mb, &this_rdc.rate, + &this_rdc.dist, flag_preduv_computed); + if (x->skip) { + this_rdc.rate += rate_mv; + this_rdc.rdcost = + RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); + } + } + + // On spatially flat blocks for screne content: bias against zero-last + // if the sse_y is non-zero. Only on scene change or high motion frames. + if (cpi->oxcf.content == VP9E_CONTENT_SCREEN && + (scene_change_detected || svc->high_num_blocks_with_motion) && + ref_frame == LAST_FRAME && frame_mv[this_mode][ref_frame].as_int == 0 && + svc->spatial_layer_id == 0 && x->source_variance == 0 && sse_y > 0) { + this_rdc.rdcost = this_rdc.rdcost << 2; + } + +#if CONFIG_VP9_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc_pickmode && + cpi->denoiser.denoising_level > kDenLowLow) { + vp9_denoiser_update_frame_stats(mi, sse_y, this_mode, ctx); + // Keep track of zero_last cost. + if (ref_frame == LAST_FRAME && frame_mv[this_mode][ref_frame].as_int == 0) + zero_last_cost_orig = this_rdc.rdcost; + } +#else + (void)ctx; +#endif + + mode_checked[this_mode][ref_frame] = 1; + + if (this_rdc.rdcost < best_rdc.rdcost || x->skip) { + best_rdc = this_rdc; + best_early_term = this_early_term; + best_pickmode.best_mode = this_mode; + best_pickmode.best_pred_filter = mi->interp_filter; + best_pickmode.best_tx_size = mi->tx_size; + best_pickmode.best_ref_frame = ref_frame; + best_pickmode.best_mode_skip_txfm = x->skip_txfm[0]; + best_pickmode.best_second_ref_frame = second_ref_frame; + + if (reuse_inter_pred) { + free_pred_buffer(best_pickmode.best_pred); + best_pickmode.best_pred = this_mode_pred; + } + } else { + if (reuse_inter_pred) free_pred_buffer(this_mode_pred); + } + + if (x->skip && + (!force_test_gf_zeromv || mode_checked[ZEROMV][GOLDEN_FRAME])) + break; + + // If early termination flag is 1 and at least 2 modes are checked, + // the mode search is terminated. + if (best_early_term && idx > 0 && !scene_change_detected && + (!force_test_gf_zeromv || mode_checked[ZEROMV][GOLDEN_FRAME])) { + x->skip = 1; + break; + } + } + + mi->mode = best_pickmode.best_mode; + mi->interp_filter = best_pickmode.best_pred_filter; + mi->tx_size = best_pickmode.best_tx_size; + mi->ref_frame[0] = best_pickmode.best_ref_frame; + mi->mv[0].as_int = + frame_mv[best_pickmode.best_mode][best_pickmode.best_ref_frame].as_int; + xd->mi[0]->bmi[0].as_mv[0].as_int = mi->mv[0].as_int; + x->skip_txfm[0] = best_pickmode.best_mode_skip_txfm; + mi->ref_frame[1] = best_pickmode.best_second_ref_frame; + + // For spatial enhancemanent layer: perform intra prediction only if base + // layer is chosen as the reference. Always perform intra prediction if + // LAST is the only reference, or is_key_frame is set, or on base + // temporal layer. + if (svc->spatial_layer_id && !gf_temporal_ref) { + perform_intra_pred = + svc->temporal_layer_id == 0 || + svc->layer_context[svc->temporal_layer_id].is_key_frame || + !(cpi->ref_frame_flags & VP9_GOLD_FLAG) || + (!svc->layer_context[svc->temporal_layer_id].is_key_frame && + svc_force_zero_mode[best_pickmode.best_ref_frame - 1]); + inter_mode_thresh = (inter_mode_thresh << 1) + inter_mode_thresh; + } + if ((cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR && + cpi->rc.is_src_frame_alt_ref) || + svc->previous_frame_is_intra_only) + perform_intra_pred = 0; + + // If the segment reference frame feature is enabled and set then + // skip the intra prediction. + if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME) && + get_segdata(seg, mi->segment_id, SEG_LVL_REF_FRAME) > 0) + perform_intra_pred = 0; + + // Perform intra prediction search, if the best SAD is above a certain + // threshold. + if (best_rdc.rdcost == INT64_MAX || + (cpi->oxcf.content == VP9E_CONTENT_SCREEN && x->source_variance == 0) || + (scene_change_detected && perform_intra_pred) || + ((!force_skip_low_temp_var || bsize < BLOCK_32X32 || + x->content_state_sb == kVeryHighSad) && + perform_intra_pred && !x->skip && best_rdc.rdcost > inter_mode_thresh && + bsize <= cpi->sf.max_intra_bsize && !x->skip_low_source_sad && + !x->lowvar_highsumdiff)) { + struct estimate_block_intra_args args = { cpi, x, DC_PRED, 1, 0 }; + int64_t this_sse = INT64_MAX; + int i; + PRED_BUFFER *const best_pred = best_pickmode.best_pred; + TX_SIZE intra_tx_size = + VPXMIN(max_txsize_lookup[bsize], + tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); + + if (reuse_inter_pred && best_pred != NULL) { + if (best_pred->data == orig_dst.buf) { + this_mode_pred = &tmp[get_pred_buffer(tmp, 3)]; +#if CONFIG_VP9_HIGHBITDEPTH + if (cm->use_highbitdepth) + vpx_highbd_convolve_copy( + CONVERT_TO_SHORTPTR(best_pred->data), best_pred->stride, + CONVERT_TO_SHORTPTR(this_mode_pred->data), this_mode_pred->stride, + NULL, 0, 0, 0, 0, bw, bh, xd->bd); + else + vpx_convolve_copy(best_pred->data, best_pred->stride, + this_mode_pred->data, this_mode_pred->stride, NULL, + 0, 0, 0, 0, bw, bh); +#else + vpx_convolve_copy(best_pred->data, best_pred->stride, + this_mode_pred->data, this_mode_pred->stride, NULL, 0, + 0, 0, 0, bw, bh); +#endif // CONFIG_VP9_HIGHBITDEPTH + best_pickmode.best_pred = this_mode_pred; + } + } + pd->dst = orig_dst; + + for (i = 0; i < 4; ++i) { + const PREDICTION_MODE this_mode = intra_mode_list[i]; + THR_MODES mode_index = mode_idx[INTRA_FRAME][mode_offset(this_mode)]; + int mode_rd_thresh = rd_threshes[mode_index]; + // For spatially flat blocks, under short_circuit_flat_blocks flag: + // only check DC mode for stationary blocks, otherwise also check + // H and V mode. + if (sf->short_circuit_flat_blocks && x->source_variance == 0 && + ((x->zero_temp_sad_source && this_mode != DC_PRED) || i > 2)) { + continue; + } + + if (!((1 << this_mode) & cpi->sf.intra_y_mode_bsize_mask[bsize])) + continue; + + if (cpi->sf.rt_intra_dc_only_low_content && this_mode != DC_PRED && + x->content_state_sb != kVeryHighSad) + continue; + + if ((cpi->sf.adaptive_rd_thresh_row_mt && + rd_less_than_thresh_row_mt(best_rdc.rdcost, mode_rd_thresh, + &rd_thresh_freq_fact[mode_index])) || + (!cpi->sf.adaptive_rd_thresh_row_mt && + rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh, + &rd_thresh_freq_fact[mode_index]))) { + // Avoid this early exit for screen on base layer, for scene + // changes or high motion frames. + if (cpi->oxcf.content != VP9E_CONTENT_SCREEN || + svc->spatial_layer_id > 0 || + (!scene_change_detected && !svc->high_num_blocks_with_motion)) + continue; + } + + mi->mode = this_mode; + mi->ref_frame[0] = INTRA_FRAME; + this_rdc.dist = this_rdc.rate = 0; + args.mode = this_mode; + args.skippable = 1; + args.rdc = &this_rdc; + mi->tx_size = intra_tx_size; + + compute_intra_yprediction(this_mode, bsize, x, xd); + model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, + &var_y, &sse_y, 1); + block_yrd(cpi, x, &this_rdc, &args.skippable, &this_sse, bsize, + VPXMIN(mi->tx_size, TX_16X16), 1, 1); + + // Check skip cost here since skippable is not set for for uv, this + // mirrors the behavior used by inter + if (args.skippable) { + x->skip_txfm[0] = SKIP_TXFM_AC_DC; + this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 1); + } else { + x->skip_txfm[0] = SKIP_TXFM_NONE; + this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 0); + } + // Inter and intra RD will mismatch in scale for non-screen content. + if (cpi->oxcf.content == VP9E_CONTENT_SCREEN) { + if (x->color_sensitivity[0]) + vp9_foreach_transformed_block_in_plane(xd, bsize, 1, + estimate_block_intra, &args); + if (x->color_sensitivity[1]) + vp9_foreach_transformed_block_in_plane(xd, bsize, 2, + estimate_block_intra, &args); + } + this_rdc.rate += cpi->mbmode_cost[this_mode]; + this_rdc.rate += ref_frame_cost[INTRA_FRAME]; + this_rdc.rate += intra_cost_penalty; + this_rdc.rdcost = + RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); + + if (this_rdc.rdcost < best_rdc.rdcost) { + best_rdc = this_rdc; + best_pickmode.best_mode = this_mode; + best_pickmode.best_intra_tx_size = mi->tx_size; + best_pickmode.best_ref_frame = INTRA_FRAME; + best_pickmode.best_second_ref_frame = NO_REF_FRAME; + mi->uv_mode = this_mode; + mi->mv[0].as_int = INVALID_MV; + mi->mv[1].as_int = INVALID_MV; + best_pickmode.best_mode_skip_txfm = x->skip_txfm[0]; + } + } + + // Reset mb_mode_info to the best inter mode. + if (best_pickmode.best_ref_frame != INTRA_FRAME) { + mi->tx_size = best_pickmode.best_tx_size; + } else { + mi->tx_size = best_pickmode.best_intra_tx_size; + } + } + + pd->dst = orig_dst; + mi->mode = best_pickmode.best_mode; + mi->ref_frame[0] = best_pickmode.best_ref_frame; + mi->ref_frame[1] = best_pickmode.best_second_ref_frame; + x->skip_txfm[0] = best_pickmode.best_mode_skip_txfm; + + if (!is_inter_block(mi)) { + mi->interp_filter = SWITCHABLE_FILTERS; + } + + if (reuse_inter_pred && best_pickmode.best_pred != NULL) { + PRED_BUFFER *const best_pred = best_pickmode.best_pred; + if (best_pred->data != orig_dst.buf && is_inter_mode(mi->mode)) { +#if CONFIG_VP9_HIGHBITDEPTH + if (cm->use_highbitdepth) + vpx_highbd_convolve_copy( + CONVERT_TO_SHORTPTR(best_pred->data), best_pred->stride, + CONVERT_TO_SHORTPTR(pd->dst.buf), pd->dst.stride, NULL, 0, 0, 0, 0, + bw, bh, xd->bd); + else + vpx_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf, + pd->dst.stride, NULL, 0, 0, 0, 0, bw, bh); +#else + vpx_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf, + pd->dst.stride, NULL, 0, 0, 0, 0, bw, bh); +#endif // CONFIG_VP9_HIGHBITDEPTH + } + } + +#if CONFIG_VP9_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity > 0 && cpi->resize_pending == 0 && + denoise_svc_pickmode && cpi->denoiser.denoising_level > kDenLowLow && + cpi->denoiser.reset == 0) { + VP9_DENOISER_DECISION decision = COPY_BLOCK; + ctx->sb_skip_denoising = 0; + // TODO(marpan): There is an issue with denoising when the + // superblock partitioning scheme is based on the pickmode. + // Remove this condition when the issue is resolved. + if (x->sb_pickmode_part) ctx->sb_skip_denoising = 1; + vp9_pickmode_ctx_den_update(&ctx_den, zero_last_cost_orig, ref_frame_cost, + frame_mv, reuse_inter_pred, &best_pickmode); + vp9_denoiser_denoise(cpi, x, mi_row, mi_col, bsize, ctx, &decision, + gf_temporal_ref); + if (denoise_recheck_zeromv) + recheck_zeromv_after_denoising(cpi, mi, x, xd, decision, &ctx_den, + yv12_mb, &best_rdc, bsize, mi_row, mi_col); + best_pickmode.best_ref_frame = ctx_den.best_ref_frame; + } +#endif + + if (best_pickmode.best_ref_frame == ALTREF_FRAME || + best_pickmode.best_second_ref_frame == ALTREF_FRAME) + x->arf_frame_usage++; + else if (best_pickmode.best_ref_frame != INTRA_FRAME) + x->lastgolden_frame_usage++; + + if (cpi->sf.adaptive_rd_thresh) { + THR_MODES best_mode_idx = + mode_idx[best_pickmode.best_ref_frame][mode_offset(mi->mode)]; + + if (best_pickmode.best_ref_frame == INTRA_FRAME) { + // Only consider the modes that are included in the intra_mode_list. + int intra_modes = sizeof(intra_mode_list) / sizeof(PREDICTION_MODE); + int i; + + // TODO(yunqingwang): Check intra mode mask and only update freq_fact + // for those valid modes. + for (i = 0; i < intra_modes; i++) { + if (cpi->sf.adaptive_rd_thresh_row_mt) + update_thresh_freq_fact_row_mt(cpi, tile_data, x->source_variance, + thresh_freq_fact_idx, INTRA_FRAME, + best_mode_idx, intra_mode_list[i]); + else + update_thresh_freq_fact(cpi, tile_data, x->source_variance, bsize, + INTRA_FRAME, best_mode_idx, + intra_mode_list[i]); + } + } else { + for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { + PREDICTION_MODE this_mode; + if (best_pickmode.best_ref_frame != ref_frame) continue; + for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { + if (cpi->sf.adaptive_rd_thresh_row_mt) + update_thresh_freq_fact_row_mt(cpi, tile_data, x->source_variance, + thresh_freq_fact_idx, ref_frame, + best_mode_idx, this_mode); + else + update_thresh_freq_fact(cpi, tile_data, x->source_variance, bsize, + ref_frame, best_mode_idx, this_mode); + } + } + } + } + + *rd_cost = best_rdc; +} + +void vp9_pick_inter_mode_sub8x8(VP9_COMP *cpi, MACROBLOCK *x, int mi_row, + int mi_col, RD_COST *rd_cost, BLOCK_SIZE bsize, + PICK_MODE_CONTEXT *ctx) { + VP9_COMMON *const cm = &cpi->common; + SPEED_FEATURES *const sf = &cpi->sf; + MACROBLOCKD *const xd = &x->e_mbd; + MODE_INFO *const mi = xd->mi[0]; + MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; + const struct segmentation *const seg = &cm->seg; + MV_REFERENCE_FRAME ref_frame, second_ref_frame = NO_REF_FRAME; + MV_REFERENCE_FRAME best_ref_frame = NO_REF_FRAME; + unsigned char segment_id = mi->segment_id; + struct buf_2d yv12_mb[4][MAX_MB_PLANE]; + int64_t best_rd = INT64_MAX; + b_mode_info bsi[MAX_REF_FRAMES][4]; + int ref_frame_skip_mask = 0; + const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; + const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; + int idx, idy; + + x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; + ctx->pred_pixel_ready = 0; + + for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { + const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); + int_mv dummy_mv[2]; + x->pred_mv_sad[ref_frame] = INT_MAX; + + if ((cpi->ref_frame_flags & ref_frame_to_flag(ref_frame)) && + (yv12 != NULL)) { + int_mv *const candidates = mbmi_ext->ref_mvs[ref_frame]; + const struct scale_factors *const ref_sf = + &cm->frame_refs[ref_frame - 1].sf; + vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, ref_sf, + ref_sf); + vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, candidates, mi_row, mi_col, + mbmi_ext->mode_context); + + vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, + &dummy_mv[0], &dummy_mv[1]); + } else { + ref_frame_skip_mask |= (1 << ref_frame); + } + } + + mi->sb_type = bsize; + mi->tx_size = TX_4X4; + mi->uv_mode = DC_PRED; + mi->ref_frame[0] = LAST_FRAME; + mi->ref_frame[1] = NO_REF_FRAME; + mi->interp_filter = + cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter; + + for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { + int64_t this_rd = 0; + int plane; + + if (ref_frame_skip_mask & (1 << ref_frame)) continue; + +#if CONFIG_BETTER_HW_COMPATIBILITY + if ((bsize == BLOCK_8X4 || bsize == BLOCK_4X8) && ref_frame > INTRA_FRAME && + vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf)) + continue; +#endif + + // TODO(jingning, agrange): Scaling reference frame not supported for + // sub8x8 blocks. Is this supported now? + if (ref_frame > INTRA_FRAME && + vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf)) + continue; + + // If the segment reference frame feature is enabled.... + // then do nothing if the current ref frame is not allowed.. + if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && + get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) + continue; + + mi->ref_frame[0] = ref_frame; + x->skip = 0; + set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); + + // Select prediction reference frames. + for (plane = 0; plane < MAX_MB_PLANE; plane++) + xd->plane[plane].pre[0] = yv12_mb[ref_frame][plane]; + + for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { + for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { + int_mv b_mv[MB_MODE_COUNT]; + int64_t b_best_rd = INT64_MAX; + const int i = idy * 2 + idx; + PREDICTION_MODE this_mode; + RD_COST this_rdc; + unsigned int var_y, sse_y; + + struct macroblock_plane *p = &x->plane[0]; + struct macroblockd_plane *pd = &xd->plane[0]; + + const struct buf_2d orig_src = p->src; + const struct buf_2d orig_dst = pd->dst; + struct buf_2d orig_pre[2]; + memcpy(orig_pre, xd->plane[0].pre, sizeof(orig_pre)); + + // set buffer pointers for sub8x8 motion search. + p->src.buf = + &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; + pd->dst.buf = + &pd->dst.buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->dst.stride)]; + pd->pre[0].buf = + &pd->pre[0] + .buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[0].stride)]; + + b_mv[ZEROMV].as_int = 0; + b_mv[NEWMV].as_int = INVALID_MV; + vp9_append_sub8x8_mvs_for_idx(cm, xd, i, 0, mi_row, mi_col, + &b_mv[NEARESTMV], &b_mv[NEARMV], + mbmi_ext->mode_context); + + for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { + int b_rate = 0; + xd->mi[0]->bmi[i].as_mv[0].as_int = b_mv[this_mode].as_int; + + if (this_mode == NEWMV) { + const int step_param = cpi->sf.mv.fullpel_search_step_param; + MV mvp_full; + MV tmp_mv; + int cost_list[5]; + const MvLimits tmp_mv_limits = x->mv_limits; + uint32_t dummy_dist; + + if (i == 0) { + mvp_full.row = b_mv[NEARESTMV].as_mv.row >> 3; + mvp_full.col = b_mv[NEARESTMV].as_mv.col >> 3; + } else { + mvp_full.row = xd->mi[0]->bmi[0].as_mv[0].as_mv.row >> 3; + mvp_full.col = xd->mi[0]->bmi[0].as_mv[0].as_mv.col >> 3; + } + + vp9_set_mv_search_range(&x->mv_limits, + &mbmi_ext->ref_mvs[ref_frame][0].as_mv); + + vp9_full_pixel_search( + cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, + x->sadperbit4, cond_cost_list(cpi, cost_list), + &mbmi_ext->ref_mvs[ref_frame][0].as_mv, &tmp_mv, INT_MAX, 0); + + x->mv_limits = tmp_mv_limits; + + // calculate the bit cost on motion vector + mvp_full.row = tmp_mv.row * 8; + mvp_full.col = tmp_mv.col * 8; + + b_rate += vp9_mv_bit_cost( + &mvp_full, &mbmi_ext->ref_mvs[ref_frame][0].as_mv, + x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); + + b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] + [INTER_OFFSET(NEWMV)]; + if (RDCOST(x->rdmult, x->rddiv, b_rate, 0) > b_best_rd) continue; + + cpi->find_fractional_mv_step( + x, &tmp_mv, &mbmi_ext->ref_mvs[ref_frame][0].as_mv, + cpi->common.allow_high_precision_mv, x->errorperbit, + &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop, + cpi->sf.mv.subpel_search_level, cond_cost_list(cpi, cost_list), + x->nmvjointcost, x->mvcost, &dummy_dist, + &x->pred_sse[ref_frame], NULL, 0, 0, + cpi->sf.use_accurate_subpel_search); + + xd->mi[0]->bmi[i].as_mv[0].as_mv = tmp_mv; + } else { + b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] + [INTER_OFFSET(this_mode)]; + } + +#if CONFIG_VP9_HIGHBITDEPTH + if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { + vp9_highbd_build_inter_predictor( + CONVERT_TO_SHORTPTR(pd->pre[0].buf), pd->pre[0].stride, + CONVERT_TO_SHORTPTR(pd->dst.buf), pd->dst.stride, + &xd->mi[0]->bmi[i].as_mv[0].as_mv, &xd->block_refs[0]->sf, + 4 * num_4x4_blocks_wide, 4 * num_4x4_blocks_high, 0, + vp9_filter_kernels[mi->interp_filter], MV_PRECISION_Q3, + mi_col * MI_SIZE + 4 * (i & 0x01), + mi_row * MI_SIZE + 4 * (i >> 1), xd->bd); + } else { +#endif + vp9_build_inter_predictor( + pd->pre[0].buf, pd->pre[0].stride, pd->dst.buf, pd->dst.stride, + &xd->mi[0]->bmi[i].as_mv[0].as_mv, &xd->block_refs[0]->sf, + 4 * num_4x4_blocks_wide, 4 * num_4x4_blocks_high, 0, + vp9_filter_kernels[mi->interp_filter], MV_PRECISION_Q3, + mi_col * MI_SIZE + 4 * (i & 0x01), + mi_row * MI_SIZE + 4 * (i >> 1)); + +#if CONFIG_VP9_HIGHBITDEPTH + } +#endif + + model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, + &var_y, &sse_y, 0); + + this_rdc.rate += b_rate; + this_rdc.rdcost = + RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); + if (this_rdc.rdcost < b_best_rd) { + b_best_rd = this_rdc.rdcost; + bsi[ref_frame][i].as_mode = this_mode; + bsi[ref_frame][i].as_mv[0].as_mv = xd->mi[0]->bmi[i].as_mv[0].as_mv; + } + } // mode search + + // restore source and prediction buffer pointers. + p->src = orig_src; + pd->pre[0] = orig_pre[0]; + pd->dst = orig_dst; + this_rd += b_best_rd; + + xd->mi[0]->bmi[i] = bsi[ref_frame][i]; + if (num_4x4_blocks_wide > 1) xd->mi[0]->bmi[i + 1] = xd->mi[0]->bmi[i]; + if (num_4x4_blocks_high > 1) xd->mi[0]->bmi[i + 2] = xd->mi[0]->bmi[i]; + } + } // loop through sub8x8 blocks + + if (this_rd < best_rd) { + best_rd = this_rd; + best_ref_frame = ref_frame; + } + } // reference frames + + mi->tx_size = TX_4X4; + mi->ref_frame[0] = best_ref_frame; + for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { + for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { + const int block = idy * 2 + idx; + xd->mi[0]->bmi[block] = bsi[best_ref_frame][block]; + if (num_4x4_blocks_wide > 1) + xd->mi[0]->bmi[block + 1] = bsi[best_ref_frame][block]; + if (num_4x4_blocks_high > 1) + xd->mi[0]->bmi[block + 2] = bsi[best_ref_frame][block]; + } + } + mi->mode = xd->mi[0]->bmi[3].as_mode; + ctx->mic = *(xd->mi[0]); + ctx->mbmi_ext = *x->mbmi_ext; + ctx->skip_txfm[0] = SKIP_TXFM_NONE; + ctx->skip = 0; + // Dummy assignment for speed -5. No effect in speed -6. + rd_cost->rdcost = best_rd; +} |