| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include "av1/common/mvref_common.h" |
| #if CONFIG_WARPED_MOTION |
| #include "av1/common/warped_motion.h" |
| #endif // CONFIG_WARPED_MOTION |
| |
| #define USE_CUR_GM_REFMV 1 |
| |
| void av1_copy_frame_mvs(const AV1_COMMON *const cm, MODE_INFO *mi, int mi_row, |
| int mi_col, int x_mis, int y_mis) { |
| #if CONFIG_TMV || CONFIG_MFMV |
| const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_cols, 1); |
| MV_REF *frame_mvs = |
| cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); |
| x_mis = ROUND_POWER_OF_TWO(x_mis, 1); |
| y_mis = ROUND_POWER_OF_TWO(y_mis, 1); |
| #else |
| const int frame_mvs_stride = cm->mi_cols; |
| MV_REF *frame_mvs = cm->cur_frame->mvs + |
| (mi_row & 0xfffe) * frame_mvs_stride + (mi_col & 0xfffe); |
| x_mis = AOMMAX(x_mis, 2); |
| y_mis = AOMMAX(y_mis, 2); |
| #endif // CONFIG_TMV |
| int w, h; |
| |
| for (h = 0; h < y_mis; h++) { |
| MV_REF *mv = frame_mvs; |
| for (w = 0; w < x_mis; w++) { |
| mv->ref_frame[0] = mi->mbmi.ref_frame[0]; |
| mv->ref_frame[1] = mi->mbmi.ref_frame[1]; |
| mv->mv[0].as_int = mi->mbmi.mv[0].as_int; |
| mv->mv[1].as_int = mi->mbmi.mv[1].as_int; |
| // (TODO:yunqing) The following 2 lines won't be used and can be removed. |
| mv->pred_mv[0].as_int = mi->mbmi.pred_mv[0].as_int; |
| mv->pred_mv[1].as_int = mi->mbmi.pred_mv[1].as_int; |
| mv++; |
| } |
| frame_mvs += frame_mvs_stride; |
| } |
| } |
| |
| static uint8_t add_ref_mv_candidate( |
| const MODE_INFO *const candidate_mi, const MB_MODE_INFO *const candidate, |
| const MV_REFERENCE_FRAME rf[2], uint8_t *refmv_count, |
| CANDIDATE_MV *ref_mv_stack, const int use_hp, int len, int block, |
| #if USE_CUR_GM_REFMV |
| int_mv *gm_mv_candidates, const WarpedMotionParams *gm_params, |
| #endif // USE_CUR_GM_REFMV |
| int col, int weight, |
| #if CONFIG_AMVR |
| int is_integer, |
| #endif |
| BLOCK_SIZE bsize, int mi_row, int mi_col, int subsampling_x, |
| int subsampling_y) { |
| int index = 0, ref; |
| int newmv_count = 0; |
| assert(weight % 2 == 0); |
| #if !CONFIG_EXT_WARPED_MOTION |
| (void)bsize; |
| (void)mi_row; |
| (void)mi_col; |
| (void)subsampling_x; |
| (void)subsampling_y; |
| #endif // CONFIG_EXT_WARPED_MOTION |
| |
| if (rf[1] == NONE_FRAME) { |
| // single reference frame |
| for (ref = 0; ref < 2; ++ref) { |
| if (candidate->ref_frame[ref] == rf[0]) { |
| int_mv this_refmv; |
| #if CONFIG_EXT_WARPED_MOTION |
| if (candidate->motion_mode == WARPED_CAUSAL) { |
| WarpedMotionParams wm = candidate->wm_params[0]; |
| const int bw = block_size_wide[bsize]; |
| const int bh = block_size_high[bsize]; |
| int global_offset_c = mi_col * MI_SIZE; |
| int global_offset_r = mi_row * MI_SIZE; |
| int cc_offset = bw / 2 - 1; |
| int cr_offset = bh / 2 - 1; |
| int xc0 = cc_offset + global_offset_c; |
| int yc0 = cr_offset + global_offset_r; |
| int xc1 = xc0 + 1; |
| int yc1 = yc0 + 1; |
| int in[4] = { xc0, yc0, xc1, yc1 }; |
| int out[4] = { 0, 0, 0, 0 }; |
| |
| assert(ref == 0); |
| // For WARPED_CAUSAL, wmtype is always AFFINE. |
| assert(wm.wmtype == AFFINE); |
| project_points_affine(wm.wmmat, in, out, 2, 2, 2, subsampling_x, |
| subsampling_y); |
| |
| // assert(x_scale == 1024 && y_scale == 1024); |
| // out[]'s precision is 1/64, adjust xc, yc accordingly. |
| out[0] -= (xc0 << (3 + SCALING_FCT)); |
| out[1] -= (yc0 << (3 + SCALING_FCT)); |
| out[2] -= (xc1 << (3 + SCALING_FCT)); |
| out[3] -= (yc1 << (3 + SCALING_FCT)); |
| |
| this_refmv.as_mv.col = |
| ROUND_POWER_OF_TWO_SIGNED(out[0] + out[2], SCALING_FCT + 1); |
| this_refmv.as_mv.row = |
| ROUND_POWER_OF_TWO_SIGNED(out[1] + out[3], SCALING_FCT + 1); |
| lower_mv_precision(&this_refmv.as_mv, use_hp); |
| } else { |
| #endif // CONFIG_EXT_WARPED_MOTION |
| #if USE_CUR_GM_REFMV |
| if (is_global_mv_block(candidate_mi, block, gm_params[rf[0]].wmtype)) |
| this_refmv = gm_mv_candidates[0]; |
| else |
| #endif // USE_CUR_GM_REFMV |
| this_refmv = get_sub_block_mv(candidate_mi, ref, col, block); |
| #if CONFIG_AMVR |
| lower_mv_precision(&this_refmv.as_mv, use_hp, is_integer); |
| #else |
| lower_mv_precision(&this_refmv.as_mv, use_hp); |
| #endif // CONFIG_AMVR |
| #if CONFIG_EXT_WARPED_MOTION |
| } |
| #endif // CONFIG_EXT_WARPED_MOTION |
| |
| for (index = 0; index < *refmv_count; ++index) |
| if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int) break; |
| |
| if (index < *refmv_count) ref_mv_stack[index].weight += weight * len; |
| |
| // Add a new item to the list. |
| if (index == *refmv_count) { |
| ref_mv_stack[index].this_mv = this_refmv; |
| ref_mv_stack[index].pred_diff[0] = av1_get_pred_diff_ctx( |
| get_sub_block_pred_mv(candidate_mi, ref, col, block), this_refmv); |
| ref_mv_stack[index].weight = weight * len; |
| ++(*refmv_count); |
| |
| if (candidate->mode == NEWMV) ++newmv_count; |
| } |
| } |
| } |
| } else { |
| // compound reference frame |
| if (candidate->ref_frame[0] == rf[0] && candidate->ref_frame[1] == rf[1]) { |
| int_mv this_refmv[2]; |
| |
| for (ref = 0; ref < 2; ++ref) { |
| #if USE_CUR_GM_REFMV |
| if (is_global_mv_block(candidate_mi, block, gm_params[rf[ref]].wmtype)) |
| this_refmv[ref] = gm_mv_candidates[ref]; |
| else |
| #endif // USE_CUR_GM_REFMV |
| this_refmv[ref] = get_sub_block_mv(candidate_mi, ref, col, block); |
| #if CONFIG_AMVR |
| lower_mv_precision(&this_refmv[ref].as_mv, use_hp, is_integer); |
| #else |
| lower_mv_precision(&this_refmv[ref].as_mv, use_hp); |
| #endif |
| } |
| |
| for (index = 0; index < *refmv_count; ++index) |
| if ((ref_mv_stack[index].this_mv.as_int == this_refmv[0].as_int) && |
| (ref_mv_stack[index].comp_mv.as_int == this_refmv[1].as_int)) |
| break; |
| |
| if (index < *refmv_count) ref_mv_stack[index].weight += weight * len; |
| |
| // Add a new item to the list. |
| if (index == *refmv_count) { |
| ref_mv_stack[index].this_mv = this_refmv[0]; |
| ref_mv_stack[index].comp_mv = this_refmv[1]; |
| ref_mv_stack[index].pred_diff[0] = av1_get_pred_diff_ctx( |
| get_sub_block_pred_mv(candidate_mi, 0, col, block), this_refmv[0]); |
| ref_mv_stack[index].pred_diff[1] = av1_get_pred_diff_ctx( |
| get_sub_block_pred_mv(candidate_mi, 1, col, block), this_refmv[1]); |
| ref_mv_stack[index].weight = weight * len; |
| ++(*refmv_count); |
| |
| if (candidate->mode == NEW_NEWMV) ++newmv_count; |
| } |
| } |
| } |
| return newmv_count; |
| } |
| |
| static uint8_t scan_row_mbmi(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| int mi_row, int mi_col, int block, |
| const MV_REFERENCE_FRAME rf[2], int row_offset, |
| CANDIDATE_MV *ref_mv_stack, uint8_t *refmv_count, |
| #if USE_CUR_GM_REFMV |
| int_mv *gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| int max_row_offset, int *processed_rows) { |
| const int end_mi = AOMMIN(xd->n8_w, cm->mi_cols - mi_col); |
| const int n8_w_8 = mi_size_wide[BLOCK_8X8]; |
| const int n8_w_16 = mi_size_wide[BLOCK_16X16]; |
| int i; |
| uint8_t newmv_count = 0; |
| int col_offset = 0; |
| const int shift = 0; |
| // TODO(jingning): Revisit this part after cb4x4 is stable. |
| if (abs(row_offset) > 1) { |
| col_offset = 1; |
| if (mi_col & 0x01 && xd->n8_w < n8_w_8) --col_offset; |
| } |
| const int use_step_16 = (xd->n8_w >= 16); |
| MODE_INFO **const candidate_mi0 = xd->mi + row_offset * xd->mi_stride; |
| |
| for (i = 0; i < end_mi && *refmv_count < MAX_REF_MV_STACK_SIZE;) { |
| const MODE_INFO *const candidate_mi = candidate_mi0[col_offset + i]; |
| const MB_MODE_INFO *const candidate = &candidate_mi->mbmi; |
| const int candidate_bsize = candidate->sb_type; |
| const int n8_w = mi_size_wide[candidate_bsize]; |
| int len = AOMMIN(xd->n8_w, n8_w); |
| if (use_step_16) |
| len = AOMMAX(n8_w_16, len); |
| else if (abs(row_offset) > 1) |
| len = AOMMAX(len, n8_w_8); |
| |
| int weight = 2; |
| if (xd->n8_w >= n8_w_8 && xd->n8_w <= n8_w) { |
| int inc = AOMMIN(-max_row_offset + row_offset + 1, |
| mi_size_high[candidate_bsize]); |
| // Obtain range used in weight calculation. |
| weight = AOMMAX(weight, (inc << shift)); |
| // Update processed rows. |
| *processed_rows = inc - row_offset - 1; |
| } |
| |
| #if CONFIG_AMVR |
| newmv_count += add_ref_mv_candidate( |
| candidate_mi, candidate, rf, refmv_count, ref_mv_stack, |
| cm->allow_high_precision_mv, len, block, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, cm->global_motion, |
| #endif // USE_CUR_GM_REFMV |
| col_offset + i, weight, cm->cur_frame_force_integer_mv, |
| xd->mi[0]->mbmi.sb_type, mi_row, mi_col, xd->plane[0].subsampling_x, |
| xd->plane[0].subsampling_y); |
| #else |
| newmv_count += add_ref_mv_candidate( |
| candidate_mi, candidate, rf, refmv_count, ref_mv_stack, |
| cm->allow_high_precision_mv, len, block, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, cm->global_motion, |
| #endif // USE_CUR_GM_REFMV |
| col_offset + i, weight, xd->mi[0]->mbmi.sb_type, mi_row, mi_col, |
| xd->plane[0].subsampling_x, xd->plane[0].subsampling_y); |
| #endif |
| |
| i += len; |
| } |
| |
| return newmv_count; |
| } |
| |
| static uint8_t scan_col_mbmi(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| int mi_row, int mi_col, int block, |
| const MV_REFERENCE_FRAME rf[2], int col_offset, |
| CANDIDATE_MV *ref_mv_stack, uint8_t *refmv_count, |
| #if USE_CUR_GM_REFMV |
| int_mv *gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| int max_col_offset, int *processed_cols) { |
| const int end_mi = AOMMIN(xd->n8_h, cm->mi_rows - mi_row); |
| const int n8_h_8 = mi_size_high[BLOCK_8X8]; |
| const int n8_h_16 = mi_size_high[BLOCK_16X16]; |
| int i; |
| uint8_t newmv_count = 0; |
| int row_offset = 0; |
| const int shift = 0; |
| if (abs(col_offset) > 1) { |
| row_offset = 1; |
| if (mi_row & 0x01 && xd->n8_h < n8_h_8) --row_offset; |
| } |
| const int use_step_16 = (xd->n8_h >= 16); |
| |
| for (i = 0; i < end_mi && *refmv_count < MAX_REF_MV_STACK_SIZE;) { |
| const MODE_INFO *const candidate_mi = |
| xd->mi[(row_offset + i) * xd->mi_stride + col_offset]; |
| const MB_MODE_INFO *const candidate = &candidate_mi->mbmi; |
| const int candidate_bsize = candidate->sb_type; |
| const int n8_h = mi_size_high[candidate_bsize]; |
| int len = AOMMIN(xd->n8_h, n8_h); |
| if (use_step_16) |
| len = AOMMAX(n8_h_16, len); |
| else if (abs(col_offset) > 1) |
| len = AOMMAX(len, n8_h_8); |
| |
| int weight = 2; |
| if (xd->n8_h >= n8_h_8 && xd->n8_h <= n8_h) { |
| int inc = AOMMIN(-max_col_offset + col_offset + 1, |
| mi_size_wide[candidate_bsize]); |
| // Obtain range used in weight calculation. |
| weight = AOMMAX(weight, (inc << shift)); |
| // Update processed cols. |
| *processed_cols = inc - col_offset - 1; |
| } |
| |
| #if CONFIG_AMVR |
| newmv_count += add_ref_mv_candidate( |
| candidate_mi, candidate, rf, refmv_count, ref_mv_stack, |
| cm->allow_high_precision_mv, len, block, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, cm->global_motion, |
| #endif // USE_CUR_GM_REFMV |
| col_offset, weight, cm->cur_frame_force_integer_mv, |
| xd->mi[0]->mbmi.sb_type, mi_row, mi_col, xd->plane[0].subsampling_x, |
| xd->plane[0].subsampling_y); |
| #else |
| newmv_count += add_ref_mv_candidate( |
| candidate_mi, candidate, rf, refmv_count, ref_mv_stack, |
| cm->allow_high_precision_mv, len, block, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, cm->global_motion, |
| #endif // USE_CUR_GM_REFMV |
| col_offset, weight, xd->mi[0]->mbmi.sb_type, mi_row, mi_col, |
| xd->plane[0].subsampling_x, xd->plane[0].subsampling_y); |
| #endif |
| i += len; |
| } |
| |
| return newmv_count; |
| } |
| |
| static uint8_t scan_blk_mbmi(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| const int mi_row, const int mi_col, int block, |
| const MV_REFERENCE_FRAME rf[2], int row_offset, |
| int col_offset, CANDIDATE_MV *ref_mv_stack, |
| #if USE_CUR_GM_REFMV |
| int_mv *gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| uint8_t *refmv_count) { |
| const TileInfo *const tile = &xd->tile; |
| POSITION mi_pos; |
| uint8_t newmv_count = 0; |
| |
| mi_pos.row = row_offset; |
| mi_pos.col = col_offset; |
| |
| if (is_inside(tile, mi_col, mi_row, cm->mi_rows, cm, &mi_pos) && |
| *refmv_count < MAX_REF_MV_STACK_SIZE) { |
| const MODE_INFO *const candidate_mi = |
| xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; |
| const MB_MODE_INFO *const candidate = &candidate_mi->mbmi; |
| const int len = mi_size_wide[BLOCK_8X8]; |
| |
| #if CONFIG_AMVR |
| newmv_count += add_ref_mv_candidate( |
| candidate_mi, candidate, rf, refmv_count, ref_mv_stack, |
| cm->allow_high_precision_mv, len, block, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, cm->global_motion, |
| #endif // USE_CUR_GM_REFMV |
| mi_pos.col, 2, cm->cur_frame_force_integer_mv, xd->mi[0]->mbmi.sb_type, |
| mi_row, mi_col, xd->plane[0].subsampling_x, xd->plane[0].subsampling_y); |
| #else |
| newmv_count += add_ref_mv_candidate( |
| candidate_mi, candidate, rf, refmv_count, ref_mv_stack, |
| cm->allow_high_precision_mv, len, block, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, cm->global_motion, |
| #endif // USE_CUR_GM_REFMV |
| mi_pos.col, 2, xd->mi[0]->mbmi.sb_type, mi_row, mi_col, |
| xd->plane[0].subsampling_x, xd->plane[0].subsampling_y); |
| #endif |
| } // Analyze a single 8x8 block motion information. |
| |
| return newmv_count; |
| } |
| |
| static int has_top_right(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| int mi_row, int mi_col, int bs) { |
| const int sb_mi_size = mi_size_wide[cm->sb_size]; |
| const int mask_row = mi_row & (sb_mi_size - 1); |
| const int mask_col = mi_col & (sb_mi_size - 1); |
| |
| // In a split partition all apart from the bottom right has a top right |
| int has_tr = !((mask_row & bs) && (mask_col & bs)); |
| |
| // bs > 0 and bs is a power of 2 |
| assert(bs > 0 && !(bs & (bs - 1))); |
| |
| // For each 4x4 group of blocks, when the bottom right is decoded the blocks |
| // to the right have not been decoded therefore the bottom right does |
| // not have a top right |
| while (bs < sb_mi_size) { |
| if (mask_col & bs) { |
| if ((mask_col & (2 * bs)) && (mask_row & (2 * bs))) { |
| has_tr = 0; |
| break; |
| } |
| } else { |
| break; |
| } |
| bs <<= 1; |
| } |
| |
| // The left hand of two vertical rectangles always has a top right (as the |
| // block above will have been decoded) |
| if (xd->n8_w < xd->n8_h) |
| if (!xd->is_sec_rect) has_tr = 1; |
| |
| // The bottom of two horizontal rectangles never has a top right (as the block |
| // to the right won't have been decoded) |
| if (xd->n8_w > xd->n8_h) |
| if (xd->is_sec_rect) has_tr = 0; |
| |
| #if CONFIG_EXT_PARTITION_TYPES && !CONFIG_EXT_PARTITION_TYPES_AB |
| // The bottom left square of a Vertical A (in the old format) does |
| // not have a top right as it is decoded before the right hand |
| // rectangle of the partition |
| if (xd->mi[0]->mbmi.partition == PARTITION_VERT_A) |
| if ((mask_row & bs) && !(mask_col & bs)) has_tr = 0; |
| #endif // CONFIG_EXT_PARTITION_TYPES |
| |
| return has_tr; |
| } |
| |
| #if CONFIG_MFMV |
| static int check_sb_border(const AV1_COMMON *cm, const int mi_row, |
| const int mi_col, const int row_offset, |
| const int col_offset) { |
| const int sb_mi_size = mi_size_wide[cm->sb_size]; |
| const int row = mi_row & (sb_mi_size - 1); |
| const int col = mi_col & (sb_mi_size - 1); |
| |
| if (row + row_offset < 0 || row + row_offset >= sb_mi_size || |
| col + col_offset < 0 || col + col_offset >= sb_mi_size) |
| return 0; |
| |
| return 1; |
| } |
| |
| static int add_tpl_ref_mv(const AV1_COMMON *cm, |
| const MV_REF *prev_frame_mvs_base, |
| const MACROBLOCKD *xd, int mi_row, int mi_col, |
| MV_REFERENCE_FRAME ref_frame, int blk_row, |
| int blk_col, uint8_t *refmv_count, |
| CANDIDATE_MV *ref_mv_stack, int16_t *mode_context) { |
| (void)prev_frame_mvs_base; |
| POSITION mi_pos; |
| int idx; |
| int coll_blk_count = 0; |
| const int weight_unit = 1; // mi_size_wide[BLOCK_8X8]; |
| |
| #if CONFIG_MV_COMPRESS |
| mi_pos.row = (mi_row & 0x01) ? blk_row : blk_row + 1; |
| mi_pos.col = (mi_col & 0x01) ? blk_col : blk_col + 1; |
| #else |
| mi_pos.row = blk_row; |
| mi_pos.col = blk_col; |
| #endif |
| |
| if (!is_inside(&xd->tile, mi_col, mi_row, cm->mi_rows, cm, &mi_pos)) |
| return coll_blk_count; |
| |
| const TPL_MV_REF *prev_frame_mvs = |
| cm->tpl_mvs + ((mi_row + mi_pos.row) >> 1) * (cm->mi_stride >> 1) + |
| ((mi_col + mi_pos.col) >> 1); |
| |
| MV_REFERENCE_FRAME rf[2]; |
| av1_set_ref_frame(rf, ref_frame); |
| |
| if (rf[1] == NONE_FRAME) { |
| for (int i = 0; i < MFMV_STACK_SIZE; ++i) { |
| if (prev_frame_mvs->mfmv[ref_frame - LAST_FRAME][i].as_int != |
| INVALID_MV) { |
| int_mv this_refmv = prev_frame_mvs->mfmv[ref_frame - LAST_FRAME][i]; |
| lower_mv_precision(&this_refmv.as_mv, cm->allow_high_precision_mv); |
| |
| if (blk_row == 0 && blk_col == 0) |
| if (abs(this_refmv.as_mv.row) >= 16 || |
| abs(this_refmv.as_mv.col) >= 16) |
| mode_context[ref_frame] |= (1 << ZEROMV_OFFSET); |
| |
| for (idx = 0; idx < *refmv_count; ++idx) |
| if (abs(this_refmv.as_mv.row - ref_mv_stack[idx].this_mv.as_mv.row) < |
| 4 && |
| abs(this_refmv.as_mv.col - ref_mv_stack[idx].this_mv.as_mv.col) < |
| 4) |
| break; |
| |
| if (idx < *refmv_count) ref_mv_stack[idx].weight += 2 * weight_unit; |
| |
| if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { |
| ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int; |
| // TODO(jingning): Hard coded context number. Need to make it better |
| // sense. |
| ref_mv_stack[idx].pred_diff[0] = 1; |
| ref_mv_stack[idx].weight = 2 * weight_unit; |
| ++(*refmv_count); |
| } |
| |
| ++coll_blk_count; |
| } |
| } |
| } else { |
| // Process compound inter mode |
| for (int i = 0; i < MFMV_STACK_SIZE; ++i) { |
| if (prev_frame_mvs->mfmv[rf[0] - LAST_FRAME][i].as_int != INVALID_MV && |
| prev_frame_mvs->mfmv[rf[1] - LAST_FRAME][i].as_int != INVALID_MV) { |
| int_mv this_refmv = prev_frame_mvs->mfmv[rf[0] - LAST_FRAME][i]; |
| int_mv comp_refmv = prev_frame_mvs->mfmv[rf[1] - LAST_FRAME][i]; |
| lower_mv_precision(&this_refmv.as_mv, cm->allow_high_precision_mv); |
| lower_mv_precision(&comp_refmv.as_mv, cm->allow_high_precision_mv); |
| |
| if (blk_row == 0 && blk_col == 0) |
| if (abs(this_refmv.as_mv.row) >= 16 || |
| abs(this_refmv.as_mv.col) >= 16 || |
| abs(comp_refmv.as_mv.row) >= 16 || |
| abs(comp_refmv.as_mv.col) >= 16) |
| mode_context[ref_frame] |= (1 << ZEROMV_OFFSET); |
| |
| for (idx = 0; idx < *refmv_count; ++idx) |
| if (abs(this_refmv.as_mv.row - ref_mv_stack[idx].this_mv.as_mv.row) < |
| 4 && |
| abs(this_refmv.as_mv.col - ref_mv_stack[idx].this_mv.as_mv.col) < |
| 4 && |
| abs(comp_refmv.as_mv.row - ref_mv_stack[idx].comp_mv.as_mv.row) < |
| 4 && |
| abs(comp_refmv.as_mv.col - ref_mv_stack[idx].comp_mv.as_mv.col) < |
| 4) |
| break; |
| |
| if (idx < *refmv_count) ref_mv_stack[idx].weight += 2 * weight_unit; |
| |
| if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { |
| ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int; |
| ref_mv_stack[idx].comp_mv.as_int = comp_refmv.as_int; |
| // TODO(jingning): Hard coded context number. Need to make it better |
| // sense. |
| ref_mv_stack[idx].pred_diff[0] = 1; |
| ref_mv_stack[idx].pred_diff[1] = 1; |
| ref_mv_stack[idx].weight = 2 * weight_unit; |
| ++(*refmv_count); |
| } |
| |
| ++coll_blk_count; |
| } |
| } |
| } |
| |
| return coll_blk_count; |
| } |
| #else |
| static int add_col_ref_mv(const AV1_COMMON *cm, |
| const MV_REF *prev_frame_mvs_base, |
| int prev_frame_mvs_stride, const MACROBLOCKD *xd, |
| int mi_row, int mi_col, MV_REFERENCE_FRAME ref_frame, |
| int blk_row, int blk_col, uint8_t *refmv_count, |
| CANDIDATE_MV *ref_mv_stack, int16_t *mode_context) { |
| #if CONFIG_TMV |
| const MV_REF *prev_frame_mvs = prev_frame_mvs_base + |
| (blk_row >> 1) * prev_frame_mvs_stride + |
| (blk_col >> 1); |
| #else |
| const MV_REF *prev_frame_mvs = |
| prev_frame_mvs_base + blk_row * prev_frame_mvs_stride + blk_col; |
| #endif |
| POSITION mi_pos; |
| int ref, idx; |
| int coll_blk_count = 0; |
| const int weight_unit = mi_size_wide[BLOCK_8X8]; |
| |
| #if CONFIG_TMV |
| mi_pos.row = blk_row; |
| mi_pos.col = blk_col; |
| #else |
| #if CONFIG_MV_COMPRESS |
| mi_pos.row = (mi_row & 0x01) ? blk_row : blk_row + 1; |
| mi_pos.col = (mi_col & 0x01) ? blk_col : blk_col + 1; |
| #else |
| mi_pos.row = blk_row; |
| mi_pos.col = blk_col; |
| #endif |
| #endif // CONFIG_TMV |
| |
| if (!is_inside(&xd->tile, mi_col, mi_row, cm->mi_rows, cm, &mi_pos)) |
| return coll_blk_count; |
| for (ref = 0; ref < 2; ++ref) { |
| if (prev_frame_mvs->ref_frame[ref] == ref_frame) { |
| int_mv this_refmv = prev_frame_mvs->mv[ref]; |
| #if CONFIG_AMVR |
| lower_mv_precision(&this_refmv.as_mv, cm->allow_high_precision_mv, |
| cm->cur_frame_force_integer_mv); |
| #else |
| lower_mv_precision(&this_refmv.as_mv, cm->allow_high_precision_mv); |
| #endif |
| |
| #if CONFIG_OPT_REF_MV |
| if (blk_row == 0 && blk_col == 0) |
| #endif |
| { |
| if (abs(this_refmv.as_mv.row) >= 16 || abs(this_refmv.as_mv.col) >= 16) |
| mode_context[ref_frame] |= (1 << ZEROMV_OFFSET); |
| } |
| |
| for (idx = 0; idx < *refmv_count; ++idx) |
| if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int) break; |
| |
| if (idx < *refmv_count) ref_mv_stack[idx].weight += 2 * weight_unit; |
| |
| if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { |
| ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int; |
| ref_mv_stack[idx].pred_diff[0] = |
| av1_get_pred_diff_ctx(prev_frame_mvs->pred_mv[ref], this_refmv); |
| ref_mv_stack[idx].weight = 2 * weight_unit; |
| ++(*refmv_count); |
| } |
| |
| ++coll_blk_count; |
| } |
| } |
| |
| return coll_blk_count; |
| } |
| #endif |
| |
| static void setup_ref_mv_list(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| MV_REFERENCE_FRAME ref_frame, |
| uint8_t *refmv_count, CANDIDATE_MV *ref_mv_stack, |
| int_mv *mv_ref_list, |
| #if USE_CUR_GM_REFMV |
| int_mv *gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| int block, int mi_row, int mi_col, |
| int16_t *mode_context) { |
| int idx, nearest_refmv_count = 0; |
| uint8_t newmv_count = 0; |
| CANDIDATE_MV tmp_mv; |
| int len, nr_len; |
| |
| #if CONFIG_TMV |
| const int prev_frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_cols, 1); |
| const int tmi_row = mi_row & 0xfffe; |
| const int tmi_col = mi_col & 0xfffe; |
| const MV_REF *const prev_frame_mvs_base = |
| cm->use_prev_frame_mvs |
| ? cm->prev_frame->mvs + (tmi_row >> 1) * prev_frame_mvs_stride + |
| (tmi_col >> 1) |
| : NULL; |
| #else |
| const int prev_frame_mvs_stride = cm->mi_cols; |
| #if CONFIG_MV_COMPRESS |
| const MV_REF *const prev_frame_mvs_base = |
| cm->use_prev_frame_mvs |
| ? cm->prev_frame->mvs + |
| (((mi_row >> 1) << 1) + 1) * prev_frame_mvs_stride + |
| ((mi_col >> 1) << 1) + 1 |
| : NULL; |
| #else |
| const MV_REF *const prev_frame_mvs_base = |
| cm->use_prev_frame_mvs |
| ? cm->prev_frame->mvs + mi_row * prev_frame_mvs_stride + mi_col |
| : NULL; |
| #endif |
| #endif // CONFIG_TMV |
| |
| const int bs = AOMMAX(xd->n8_w, xd->n8_h); |
| const int has_tr = has_top_right(cm, xd, mi_row, mi_col, bs); |
| MV_REFERENCE_FRAME rf[2]; |
| |
| const TileInfo *const tile = &xd->tile; |
| int max_row_offset = 0, max_col_offset = 0; |
| const int row_adj = (xd->n8_h < mi_size_high[BLOCK_8X8]) && (mi_row & 0x01); |
| const int col_adj = (xd->n8_w < mi_size_wide[BLOCK_8X8]) && (mi_col & 0x01); |
| int processed_rows = 0; |
| int processed_cols = 0; |
| int row_offset, col_offset; |
| |
| av1_set_ref_frame(rf, ref_frame); |
| mode_context[ref_frame] = 0; |
| *refmv_count = 0; |
| |
| // Find valid maximum row/col offset. |
| if (xd->up_available) { |
| max_row_offset = -(MVREF_ROWS << 1) + row_adj; |
| max_row_offset = |
| find_valid_row_offset(tile, mi_row, cm->mi_rows, cm, max_row_offset); |
| } |
| |
| if (xd->left_available) { |
| max_col_offset = -(MVREF_COLS << 1) + col_adj; |
| max_col_offset = find_valid_col_offset(tile, mi_col, max_col_offset); |
| } |
| |
| // Scan the first above row mode info. row_offset = -1; |
| if (abs(max_row_offset) >= 1) |
| newmv_count += scan_row_mbmi(cm, xd, mi_row, mi_col, block, rf, -1, |
| ref_mv_stack, refmv_count, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| max_row_offset, &processed_rows); |
| // Scan the first left column mode info. col_offset = -1; |
| if (abs(max_col_offset) >= 1) |
| newmv_count += scan_col_mbmi(cm, xd, mi_row, mi_col, block, rf, -1, |
| ref_mv_stack, refmv_count, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| max_col_offset, &processed_cols); |
| // Check top-right boundary |
| if (has_tr) |
| newmv_count += scan_blk_mbmi(cm, xd, mi_row, mi_col, block, rf, -1, |
| xd->n8_w, ref_mv_stack, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| refmv_count); |
| |
| nearest_refmv_count = *refmv_count; |
| |
| for (idx = 0; idx < nearest_refmv_count; ++idx) |
| ref_mv_stack[idx].weight += REF_CAT_LEVEL; |
| |
| #if CONFIG_MFMV |
| int blk_row, blk_col; |
| int coll_blk_count = 0; |
| int voffset = AOMMAX(mi_size_high[BLOCK_8X8], xd->n8_h); |
| int hoffset = AOMMAX(mi_size_wide[BLOCK_8X8], xd->n8_w); |
| |
| int tpl_sample_pos[9][2] = { |
| { -2, hoffset }, { 0, hoffset }, { voffset, hoffset }, |
| { voffset, 0 }, { voffset, -2 }, { voffset, -4 }, |
| { -4, hoffset }, { voffset, 4 }, { 2, hoffset + 4 }, |
| }; |
| int i; |
| |
| for (blk_row = 0; blk_row < xd->n8_h; blk_row += mi_size_high[BLOCK_8X8]) { |
| for (blk_col = 0; blk_col < xd->n8_w; blk_col += mi_size_wide[BLOCK_8X8]) { |
| // (TODO: yunqing) prev_frame_mvs_base is not used here, tpl_mvs is used. |
| // Can be modified the same way. |
| int is_available = add_tpl_ref_mv( |
| cm, prev_frame_mvs_base, xd, mi_row, mi_col, ref_frame, blk_row, |
| blk_col, refmv_count, ref_mv_stack, mode_context); |
| if (blk_row == 0 && blk_col == 0) coll_blk_count = is_available; |
| } |
| } |
| |
| if (coll_blk_count == 0) mode_context[ref_frame] |= (1 << ZEROMV_OFFSET); |
| |
| for (i = 0; i < 9; ++i) { |
| blk_row = tpl_sample_pos[i][0]; |
| blk_col = tpl_sample_pos[i][1]; |
| |
| if (!check_sb_border(cm, mi_row, mi_col, blk_row, blk_col)) continue; |
| // (TODO: yunqing) prev_frame_mvs_base is not used here, tpl_mvs is used. |
| // Can be modified the same way. |
| coll_blk_count += add_tpl_ref_mv(cm, prev_frame_mvs_base, xd, mi_row, |
| mi_col, ref_frame, blk_row, blk_col, |
| refmv_count, ref_mv_stack, mode_context); |
| } |
| #else |
| #if CONFIG_TEMPMV_SIGNALING |
| if (cm->use_prev_frame_mvs && rf[1] == NONE_FRAME) |
| #else |
| if (prev_frame_mvs_base && cm->show_frame && cm->last_show_frame && |
| rf[1] == NONE_FRAME) |
| #endif |
| { |
| int blk_row, blk_col; |
| int coll_blk_count = 0; |
| const int mi_step = (xd->n8_w == 1 || xd->n8_h == 1) |
| ? mi_size_wide[BLOCK_8X8] |
| : mi_size_wide[BLOCK_16X16]; |
| |
| #if CONFIG_TPL_MV |
| // Modified sample positions to be consistent with frame_mvs |
| // spatial resolution. |
| int tpl_sample_pos[5][2] = { { -1, xd->n8_w }, |
| { 0, xd->n8_w }, |
| { xd->n8_h, xd->n8_w }, |
| { xd->n8_h, 0 }, |
| { xd->n8_h, -1 } }; |
| int i; |
| #endif |
| |
| for (blk_row = 0; blk_row < xd->n8_h; blk_row += mi_step) { |
| for (blk_col = 0; blk_col < xd->n8_w; blk_col += mi_step) { |
| #if CONFIG_TMV |
| int is_available = |
| add_col_ref_mv(cm, prev_frame_mvs_base, prev_frame_mvs_stride, xd, |
| tmi_row, tmi_col, ref_frame, blk_row, blk_col, |
| refmv_count, ref_mv_stack, mode_context); |
| #else |
| int is_available = |
| add_col_ref_mv(cm, prev_frame_mvs_base, prev_frame_mvs_stride, xd, |
| mi_row, mi_col, ref_frame, blk_row, blk_col, |
| refmv_count, ref_mv_stack, mode_context); |
| #endif // CONFIG_TMV |
| #if CONFIG_OPT_REF_MV |
| if (blk_row == 0 && blk_col == 0) coll_blk_count = is_available; |
| #else |
| coll_blk_count += is_available; |
| #endif |
| } |
| } |
| |
| #if CONFIG_TPL_MV |
| for (i = 0; i < 5; ++i) { |
| blk_row = tpl_sample_pos[i][0]; |
| blk_col = tpl_sample_pos[i][1]; |
| #if CONFIG_TMV |
| coll_blk_count += add_col_ref_mv( |
| cm, prev_frame_mvs_base, prev_frame_mvs_stride, xd, tmi_row, tmi_col, |
| ref_frame, blk_row, blk_col, refmv_count, ref_mv_stack, mode_context); |
| #else |
| coll_blk_count += add_col_ref_mv( |
| cm, prev_frame_mvs_base, prev_frame_mvs_stride, xd, mi_row, mi_col, |
| ref_frame, blk_row, blk_col, refmv_count, ref_mv_stack, mode_context); |
| #endif // CONFIG_TMV |
| } |
| #endif |
| |
| if (coll_blk_count == 0) mode_context[ref_frame] |= (1 << ZEROMV_OFFSET); |
| } else { |
| mode_context[ref_frame] |= (1 << ZEROMV_OFFSET); |
| } |
| #endif |
| |
| // Scan the second outer area. |
| scan_blk_mbmi(cm, xd, mi_row, mi_col, block, rf, -1, -1, ref_mv_stack, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| refmv_count); |
| for (idx = 2; idx <= MVREF_ROWS; ++idx) { |
| row_offset = -(idx << 1) + 1 + row_adj; |
| col_offset = -(idx << 1) + 1 + col_adj; |
| |
| if (abs(row_offset) <= abs(max_row_offset) && |
| abs(row_offset) > processed_rows) |
| scan_row_mbmi(cm, xd, mi_row, mi_col, block, rf, row_offset, ref_mv_stack, |
| refmv_count, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| max_row_offset, &processed_rows); |
| |
| if (abs(col_offset) <= abs(max_col_offset) && |
| abs(col_offset) > processed_cols) |
| scan_col_mbmi(cm, xd, mi_row, mi_col, block, rf, col_offset, ref_mv_stack, |
| refmv_count, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| max_col_offset, &processed_cols); |
| } |
| |
| col_offset = -(MVREF_COLS << 1) + 1 + col_adj; |
| if (abs(col_offset) <= abs(max_col_offset) && |
| abs(col_offset) > processed_cols) |
| scan_col_mbmi(cm, xd, mi_row, mi_col, block, rf, col_offset, ref_mv_stack, |
| refmv_count, |
| #if USE_CUR_GM_REFMV |
| gm_mv_candidates, |
| #endif // USE_CUR_GM_REFMV |
| max_col_offset, &processed_cols); |
| |
| switch (nearest_refmv_count) { |
| case 0: mode_context[ref_frame] |= 0; |
| #if !CONFIG_OPT_REF_MV |
| if (*refmv_count >= 1) mode_context[ref_frame] |= 1; |
| if (*refmv_count == 1) |
| mode_context[ref_frame] |= (1 << REFMV_OFFSET); |
| else if (*refmv_count >= 2) |
| mode_context[ref_frame] |= (2 << REFMV_OFFSET); |
| #endif |
| break; |
| case 1: mode_context[ref_frame] |= (newmv_count > 0) ? 2 : 3; |
| #if CONFIG_OPT_REF_MV |
| mode_context[ref_frame] |= (3 << REFMV_OFFSET); |
| #else |
| if (*refmv_count == 1) |
| mode_context[ref_frame] |= (3 << REFMV_OFFSET); |
| else if (*refmv_count >= 2) |
| mode_context[ref_frame] |= (4 << REFMV_OFFSET); |
| #endif |
| break; |
| |
| case 2: |
| default: |
| if (newmv_count >= 2) |
| mode_context[ref_frame] |= 4; |
| else if (newmv_count == 1) |
| mode_context[ref_frame] |= 5; |
| else |
| mode_context[ref_frame] |= 6; |
| |
| mode_context[ref_frame] |= (5 << REFMV_OFFSET); |
| break; |
| } |
| |
| // Rank the likelihood and assign nearest and near mvs. |
| len = nearest_refmv_count; |
| while (len > 0) { |
| nr_len = 0; |
| for (idx = 1; idx < len; ++idx) { |
| if (ref_mv_stack[idx - 1].weight < ref_mv_stack[idx].weight) { |
| tmp_mv = ref_mv_stack[idx - 1]; |
| ref_mv_stack[idx - 1] = ref_mv_stack[idx]; |
| ref_mv_stack[idx] = tmp_mv; |
| nr_len = idx; |
| } |
| } |
| len = nr_len; |
| } |
| |
| len = *refmv_count; |
| while (len > nearest_refmv_count) { |
| nr_len = nearest_refmv_count; |
| for (idx = nearest_refmv_count + 1; idx < len; ++idx) { |
| if (ref_mv_stack[idx - 1].weight < ref_mv_stack[idx].weight) { |
| tmp_mv = ref_mv_stack[idx - 1]; |
| ref_mv_stack[idx - 1] = ref_mv_stack[idx]; |
| ref_mv_stack[idx] = tmp_mv; |
| nr_len = idx; |
| } |
| } |
| len = nr_len; |
| } |
| |
| if (rf[1] > NONE_FRAME) { |
| for (idx = 0; idx < *refmv_count; ++idx) { |
| clamp_mv_ref(&ref_mv_stack[idx].this_mv.as_mv, xd->n8_w << MI_SIZE_LOG2, |
| xd->n8_h << MI_SIZE_LOG2, xd); |
| clamp_mv_ref(&ref_mv_stack[idx].comp_mv.as_mv, xd->n8_w << MI_SIZE_LOG2, |
| xd->n8_h << MI_SIZE_LOG2, xd); |
| } |
| } else { |
| for (idx = 0; idx < AOMMIN(MAX_MV_REF_CANDIDATES, *refmv_count); ++idx) { |
| mv_ref_list[idx].as_int = ref_mv_stack[idx].this_mv.as_int; |
| clamp_mv_ref(&mv_ref_list[idx].as_mv, xd->n8_w << MI_SIZE_LOG2, |
| xd->n8_h << MI_SIZE_LOG2, xd); |
| } |
| } |
| } |
| |
| // This function searches the neighbourhood of a given MB/SB |
| // to try and find candidate reference vectors. |
| static void find_mv_refs_idx(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame, |
| int_mv *mv_ref_list, int block, int mi_row, |
| int mi_col, find_mv_refs_sync sync, |
| void *const data, int16_t *mode_context, |
| int_mv zeromv) { |
| const int *ref_sign_bias = cm->ref_frame_sign_bias; |
| const int sb_mi_size = mi_size_wide[cm->sb_size]; |
| int i, refmv_count = 0; |
| int different_ref_found = 0; |
| int context_counter = 0; |
| |
| #if CONFIG_TMV || CONFIG_MFMV |
| int tmi_row = mi_row & 0xfffe; |
| int tmi_col = mi_col & 0xfffe; |
| POSITION mi_pos = { 0, 0 }; |
| int inside = is_inside(&xd->tile, tmi_col, tmi_row, cm->mi_rows, cm, &mi_pos); |
| const MV_REF *const prev_frame_mvs = |
| cm->use_prev_frame_mvs && inside |
| ? cm->prev_frame->mvs + (tmi_row >> 1) * ((cm->mi_cols + 1) >> 1) + |
| (tmi_col >> 1) |
| : NULL; |
| #else |
| #if CONFIG_MV_COMPRESS |
| const TileInfo *const tile_ = &xd->tile; |
| int mi_row_end = tile_->mi_row_end; |
| int mi_col_end = tile_->mi_col_end; |
| const MV_REF *const prev_frame_mvs = |
| cm->use_prev_frame_mvs |
| ? cm->prev_frame->mvs + |
| AOMMIN(((mi_row >> 1) << 1) + 1 + (((xd->n8_h - 1) >> 1) << 1), |
| mi_row_end - 1) * |
| cm->mi_cols + |
| AOMMIN(((mi_col >> 1) << 1) + 1 + (((xd->n8_w - 1) >> 1) << 1), |
| mi_col_end - 1) |
| : NULL; |
| #else |
| const MV_REF *const prev_frame_mvs = |
| cm->use_prev_frame_mvs |
| ? cm->prev_frame->mvs + mi_row * cm->mi_cols + mi_col |
| : NULL; |
| #endif |
| #endif // CONFIG_TMV |
| |
| #if CONFIG_INTRABC |
| assert(IMPLIES(ref_frame == INTRA_FRAME, cm->use_prev_frame_mvs == 0)); |
| #endif |
| const TileInfo *const tile = &xd->tile; |
| const BLOCK_SIZE bsize = mi->mbmi.sb_type; |
| const int bw = block_size_wide[AOMMAX(bsize, BLOCK_8X8)]; |
| const int bh = block_size_high[AOMMAX(bsize, BLOCK_8X8)]; |
| POSITION mv_ref_search[MVREF_NEIGHBOURS]; |
| const int num_8x8_blocks_wide = num_8x8_blocks_wide_lookup[bsize]; |
| const int num_8x8_blocks_high = num_8x8_blocks_high_lookup[bsize]; |
| mv_ref_search[0].row = num_8x8_blocks_high - 1; |
| mv_ref_search[0].col = -1; |
| mv_ref_search[1].row = -1; |
| mv_ref_search[1].col = num_8x8_blocks_wide - 1; |
| mv_ref_search[2].row = -1; |
| mv_ref_search[2].col = (num_8x8_blocks_wide - 1) >> 1; |
| mv_ref_search[3].row = (num_8x8_blocks_high - 1) >> 1; |
| mv_ref_search[3].col = -1; |
| mv_ref_search[4].row = -1; |
| mv_ref_search[4].col = -1; |
| #if CONFIG_EXT_PARTITION_TYPES |
| if (num_8x8_blocks_wide == num_8x8_blocks_high) { |
| mv_ref_search[5].row = -1; |
| mv_ref_search[5].col = 0; |
| mv_ref_search[6].row = 0; |
| mv_ref_search[6].col = -1; |
| } else { |
| mv_ref_search[5].row = -1; |
| mv_ref_search[5].col = num_8x8_blocks_wide; |
| mv_ref_search[6].row = num_8x8_blocks_high; |
| mv_ref_search[6].col = -1; |
| } |
| #else |
| mv_ref_search[5].row = -1; |
| mv_ref_search[5].col = num_8x8_blocks_wide; |
| mv_ref_search[6].row = num_8x8_blocks_high; |
| mv_ref_search[6].col = -1; |
| #endif // CONFIG_EXT_PARTITION_TYPES |
| mv_ref_search[7].row = -1; |
| mv_ref_search[7].col = -3; |
| mv_ref_search[8].row = num_8x8_blocks_high - 1; |
| mv_ref_search[8].col = -3; |
| |
| for (i = 0; i < MVREF_NEIGHBOURS; ++i) { |
| mv_ref_search[i].row *= 2; |
| mv_ref_search[i].col *= 2; |
| } |
| |
| // 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, cm, mv_ref)) { |
| const MODE_INFO *const candidate_mi = |
| xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; |
| const MB_MODE_INFO *const candidate = &candidate_mi->mbmi; |
| // Keep counts for entropy encoding. |
| context_counter += mode_2_counter[candidate->mode]; |
| different_ref_found = 1; |
| |
| if (candidate->ref_frame[0] == ref_frame) |
| ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, block), |
| refmv_count, mv_ref_list, bw, bh, xd, Done); |
| else if (candidate->ref_frame[1] == ref_frame) |
| ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 1, mv_ref->col, block), |
| refmv_count, mv_ref_list, bw, bh, xd, Done); |
| } |
| } |
| |
| // 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; ++i) { |
| const POSITION *const mv_ref = &mv_ref_search[i]; |
| if (is_inside(tile, mi_col, mi_row, cm->mi_rows, cm, mv_ref)) { |
| const MB_MODE_INFO *const candidate = |
| !xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride] |
| ? NULL |
| : &xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]->mbmi; |
| if (candidate == NULL) continue; |
| if ((mi_row & (sb_mi_size - 1)) + mv_ref->row >= sb_mi_size || |
| (mi_col & (sb_mi_size - 1)) + mv_ref->col >= sb_mi_size) |
| continue; |
| different_ref_found = 1; |
| |
| if (candidate->ref_frame[0] == ref_frame) |
| ADD_MV_REF_LIST(candidate->mv[0], refmv_count, mv_ref_list, bw, bh, xd, |
| Done); |
| else if (candidate->ref_frame[1] == ref_frame) |
| ADD_MV_REF_LIST(candidate->mv[1], refmv_count, mv_ref_list, bw, bh, xd, |
| Done); |
| } |
| } |
| |
| // TODO(hkuang): Remove this sync after fixing pthread_cond_broadcast |
| // on windows platform. The sync here is unncessary if use_perv_frame_mvs |
| // is 0. But after removing it, there will be hang in the unit test on windows |
| // due to several threads waiting for a thread's signal. |
| #if defined(_WIN32) && !HAVE_PTHREAD_H |
| if (cm->frame_parallel_decode && sync != NULL) { |
| sync(data, mi_row); |
| } |
| #endif |
| |
| // Check the last frame's mode and mv info. |
| if (cm->use_prev_frame_mvs) { |
| // Synchronize here for frame parallel decode if sync function is provided. |
| if (cm->frame_parallel_decode && sync != NULL) { |
| sync(data, mi_row); |
| } |
| |
| if (prev_frame_mvs->ref_frame[0] == ref_frame) { |
| ADD_MV_REF_LIST(prev_frame_mvs->mv[0], refmv_count, mv_ref_list, bw, bh, |
| xd, Done); |
| } else if (prev_frame_mvs->ref_frame[1] == ref_frame) { |
| ADD_MV_REF_LIST(prev_frame_mvs->mv[1], refmv_count, mv_ref_list, bw, bh, |
| xd, 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) { |
| 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, cm, mv_ref)) { |
| const MB_MODE_INFO *const candidate = |
| !xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride] |
| ? NULL |
| : &xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]->mbmi; |
| if (candidate == NULL) continue; |
| if ((mi_row & (sb_mi_size - 1)) + mv_ref->row >= sb_mi_size || |
| (mi_col & (sb_mi_size - 1)) + mv_ref->col >= sb_mi_size) |
| continue; |
| |
| // If the candidate is INTRA we don't want to consider its mv. |
| IF_DIFF_REF_FRAME_ADD_MV(candidate, ref_frame, ref_sign_bias, |
| refmv_count, mv_ref_list, bw, bh, xd, Done); |
| } |
| } |
| } |
| |
| // Since we still don't have a candidate we'll try the last frame. |
| if (cm->use_prev_frame_mvs) { |
| if (prev_frame_mvs->ref_frame[0] != ref_frame && |
| prev_frame_mvs->ref_frame[0] > INTRA_FRAME) { |
| int_mv mv = prev_frame_mvs->mv[0]; |
| if (ref_sign_bias[prev_frame_mvs->ref_frame[0]] != |
| ref_sign_bias[ref_frame]) { |
| mv.as_mv.row *= -1; |
| mv.as_mv.col *= -1; |
| } |
| ADD_MV_REF_LIST(mv, refmv_count, mv_ref_list, bw, bh, xd, Done); |
| } |
| |
| if (prev_frame_mvs->ref_frame[1] > INTRA_FRAME && |
| prev_frame_mvs->ref_frame[1] != ref_frame) { |
| int_mv mv = prev_frame_mvs->mv[1]; |
| if (ref_sign_bias[prev_frame_mvs->ref_frame[1]] != |
| ref_sign_bias[ref_frame]) { |
| mv.as_mv.row *= -1; |
| mv.as_mv.col *= -1; |
| } |
| ADD_MV_REF_LIST(mv, refmv_count, mv_ref_list, bw, bh, xd, Done); |
| } |
| } |
| |
| Done: |
| if (mode_context) |
| mode_context[ref_frame] = counter_to_context[context_counter]; |
| for (i = refmv_count; i < MAX_MV_REF_CANDIDATES; ++i) |
| mv_ref_list[i].as_int = zeromv.as_int; |
| } |
| |
| // This function keeps a mode count for a given MB/SB |
| void av1_update_mv_context(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame, |
| int_mv *mv_ref_list, int block, int mi_row, |
| int mi_col, int16_t *mode_context) { |
| int i, refmv_count = 0; |
| int context_counter = 0; |
| const int bw = block_size_wide[mi->mbmi.sb_type]; |
| const int bh = block_size_high[mi->mbmi.sb_type]; |
| const TileInfo *const tile = &xd->tile; |
| POSITION mv_ref_search[2]; |
| const int num_8x8_blocks_wide = mi_size_wide[mi->mbmi.sb_type]; |
| const int num_8x8_blocks_high = mi_size_high[mi->mbmi.sb_type]; |
| |
| mv_ref_search[0].row = num_8x8_blocks_high - 1; |
| mv_ref_search[0].col = -1; |
| mv_ref_search[1].row = -1; |
| mv_ref_search[1].col = num_8x8_blocks_wide - 1; |
| |
| // Blank the reference vector list |
| memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES); |
| |
| // The nearest 2 blocks are examined only. |
| // If the size < 8x8, we get the mv from the bmi substructure; |
| 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, cm, mv_ref)) { |
| const MODE_INFO *const candidate_mi = |
| xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; |
| const MB_MODE_INFO *const candidate = &candidate_mi->mbmi; |
| |
| // Keep counts for entropy encoding. |
| context_counter += mode_2_counter[candidate->mode]; |
| |
| if (candidate->ref_frame[0] == ref_frame) { |
| ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, block), |
| refmv_count, mv_ref_list, bw, bh, xd, Done); |
| } else if (candidate->ref_frame[1] == ref_frame) { |
| ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 1, mv_ref->col, block), |
| refmv_count, mv_ref_list, bw, bh, xd, Done); |
| } |
| } |
| } |
| |
| Done: |
| |
| if (mode_context) |
| mode_context[ref_frame] = counter_to_context[context_counter]; |
| } |
| |
| void av1_find_mv_refs(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame, |
| uint8_t *ref_mv_count, CANDIDATE_MV *ref_mv_stack, |
| int16_t *compound_mode_context, int_mv *mv_ref_list, |
| int mi_row, int mi_col, find_mv_refs_sync sync, |
| void *const data, int16_t *mode_context) { |
| int_mv zeromv[2]; |
| BLOCK_SIZE bsize = mi->mbmi.sb_type; |
| int idx, all_zero = 1; |
| MV_REFERENCE_FRAME rf[2]; |
| |
| av1_update_mv_context(cm, xd, mi, ref_frame, mv_ref_list, -1, mi_row, mi_col, |
| compound_mode_context); |
| |
| if (!CONFIG_INTRABC || ref_frame != INTRA_FRAME) { |
| av1_set_ref_frame(rf, ref_frame); |
| zeromv[0].as_int = gm_get_motion_vector(&cm->global_motion[rf[0]], |
| cm->allow_high_precision_mv, bsize, |
| mi_col, mi_row, 0 |
| #if CONFIG_AMVR |
| , |
| cm->cur_frame_force_integer_mv |
| #endif |
| ) |
| .as_int; |
| zeromv[1].as_int = (rf[1] != NONE_FRAME) |
| ? gm_get_motion_vector(&cm->global_motion[rf[1]], |
| cm->allow_high_precision_mv, |
| bsize, mi_col, mi_row, 0 |
| #if CONFIG_AMVR |
| , |
| cm->cur_frame_force_integer_mv |
| #endif |
| ) |
| .as_int |
| : 0; |
| } else { |
| zeromv[0].as_int = zeromv[1].as_int = 0; |
| } |
| |
| if (ref_frame <= ALTREF_FRAME) |
| find_mv_refs_idx(cm, xd, mi, ref_frame, mv_ref_list, -1, mi_row, mi_col, |
| sync, data, mode_context, zeromv[0]); |
| |
| setup_ref_mv_list(cm, xd, ref_frame, ref_mv_count, ref_mv_stack, mv_ref_list, |
| #if USE_CUR_GM_REFMV |
| zeromv, |
| #endif // USE_CUR_GM_REFMV |
| -1, mi_row, mi_col, mode_context); |
| /* Note: If global motion is enabled, then we want to set the ALL_ZERO flag |
| iff all of the MVs we could generate with NEARMV/NEARESTMV are equivalent |
| to the global motion vector. |
| Note: For the following to work properly, the encoder can't throw away |
| any global motion models after calling this function, even if they are |
| unused. Instead we rely on the recode loop: If any non-IDENTITY model |
| is unused, the whole frame will be re-encoded without it. |
| The problem is that, otherwise, we can end up in the following situation: |
| * Encoder has a global motion model with nonzero translational part, |
| and all candidate MVs are zero. So the ALL_ZERO flag is unset. |
| * Encoder throws away global motion because it is never used. |
| * Decoder sees that there is no global motion and all candidate MVs are |
| zero, so sets the ALL_ZERO flag. |
| * This leads to an encode/decode mismatch. |
| */ |
| for (idx = 0; idx < AOMMIN(3, *ref_mv_count); ++idx) { |
| if (ref_mv_stack[idx].this_mv.as_int != zeromv[0].as_int) all_zero = 0; |
| if (ref_frame > ALTREF_FRAME) |
| if (ref_mv_stack[idx].comp_mv.as_int != zeromv[1].as_int) all_zero = 0; |
| } |
| if (*ref_mv_count < 2 && ref_frame <= ALTREF_FRAME) { |
| for (idx = 0; idx < MAX_MV_REF_CANDIDATES; ++idx) |
| if (mv_ref_list[idx].as_int != zeromv[0].as_int) all_zero = 0; |
| } |
| |
| #if !CONFIG_OPT_REF_MV |
| if (all_zero) mode_context[ref_frame] |= (1 << ALL_ZERO_FLAG_OFFSET); |
| #else |
| (void)all_zero; |
| #endif |
| } |
| |
| void av1_find_best_ref_mvs(int allow_hp, int_mv *mvlist, int_mv *nearest_mv, |
| int_mv *near_mv |
| #if CONFIG_AMVR |
| , |
| int is_integer |
| #endif |
| ) { |
| int i; |
| // Make sure all the candidates are properly clamped etc |
| for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) { |
| #if CONFIG_AMVR |
| lower_mv_precision(&mvlist[i].as_mv, allow_hp, is_integer); |
| #else |
| lower_mv_precision(&mvlist[i].as_mv, allow_hp); |
| #endif |
| } |
| *nearest_mv = mvlist[0]; |
| *near_mv = mvlist[1]; |
| } |
| |
| #if CONFIG_FRAME_MARKER |
| void av1_setup_frame_buf_refs(AV1_COMMON *cm) { |
| cm->cur_frame->cur_frame_offset = cm->frame_offset; |
| int alt_buf_idx = cm->frame_refs[ALTREF_FRAME - LAST_FRAME].idx; |
| int lst_buf_idx = cm->frame_refs[LAST_FRAME - LAST_FRAME].idx; |
| int gld_buf_idx = cm->frame_refs[GOLDEN_FRAME - LAST_FRAME].idx; |
| |
| int lst2_buf_idx = cm->frame_refs[LAST2_FRAME - LAST_FRAME].idx; |
| int lst3_buf_idx = cm->frame_refs[LAST3_FRAME - LAST_FRAME].idx; |
| int bwd_buf_idx = cm->frame_refs[BWDREF_FRAME - LAST_FRAME].idx; |
| int alt2_buf_idx = cm->frame_refs[ALTREF2_FRAME - LAST_FRAME].idx; |
| |
| if (alt_buf_idx >= 0) |
| cm->cur_frame->alt_frame_offset = |
| cm->buffer_pool->frame_bufs[alt_buf_idx].cur_frame_offset; |
| |
| if (lst_buf_idx >= 0) |
| cm->cur_frame->lst_frame_offset = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].cur_frame_offset; |
| |
| if (gld_buf_idx >= 0) |
| cm->cur_frame->gld_frame_offset = |
| cm->buffer_pool->frame_bufs[gld_buf_idx].cur_frame_offset; |
| |
| if (lst2_buf_idx >= 0) |
| cm->cur_frame->lst2_frame_offset = |
| cm->buffer_pool->frame_bufs[lst2_buf_idx].cur_frame_offset; |
| |
| if (lst3_buf_idx >= 0) |
| cm->cur_frame->lst3_frame_offset = |
| cm->buffer_pool->frame_bufs[lst3_buf_idx].cur_frame_offset; |
| |
| if (bwd_buf_idx >= 0) |
| cm->cur_frame->bwd_frame_offset = |
| cm->buffer_pool->frame_bufs[bwd_buf_idx].cur_frame_offset; |
| |
| if (alt2_buf_idx >= 0) |
| cm->cur_frame->alt2_frame_offset = |
| cm->buffer_pool->frame_bufs[alt2_buf_idx].cur_frame_offset; |
| } |
| |
| #if CONFIG_FRAME_SIGN_BIAS |
| void av1_setup_frame_sign_bias(AV1_COMMON *cm) { |
| MV_REFERENCE_FRAME ref_frame; |
| for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { |
| const int buf_idx = cm->frame_refs[ref_frame - LAST_FRAME].idx; |
| if (buf_idx != INVALID_IDX) { |
| const int ref_frame_offset = |
| cm->buffer_pool->frame_bufs[buf_idx].cur_frame_offset; |
| cm->ref_frame_sign_bias[ref_frame] = |
| (ref_frame_offset <= (int)cm->frame_offset) ? 0 : 1; |
| } else { |
| cm->ref_frame_sign_bias[ref_frame] = 0; |
| } |
| } |
| } |
| #endif // CONFIG_FRAME_SIGN_BIAS |
| #endif // CONFIG_FRAME_MARKER |
| |
| #if CONFIG_MFMV |
| // Although we assign 32 bit integers, all the values are strictly under 14 |
| // bits. |
| static int div_mult[32] = { |
| 0, 16384, 8192, 5461, 4096, 3276, 2730, 2340, 2048, 1820, 1638, |
| 1489, 1365, 1260, 1170, 1092, 1024, 963, 910, 862, 819, 780, |
| 744, 712, 682, 655, 630, 606, 585, 564, 546, 528, |
| }; |
| |
| // TODO(jingning): Consider the use of lookup table for (num / den) |
| // altogether. |
| static void get_mv_projection(MV *output, MV ref, int num, int den) { |
| output->row = |
| (int16_t)(ROUND_POWER_OF_TWO(ref.row * num * div_mult[den], 14)); |
| output->col = |
| (int16_t)(ROUND_POWER_OF_TWO(ref.col * num * div_mult[den], 14)); |
| } |
| |
| #define MAX_OFFSET_WIDTH 64 |
| #define MAX_OFFSET_HEIGHT 0 |
| |
| static int get_block_position(AV1_COMMON *cm, int *mi_r, int *mi_c, int blk_row, |
| int blk_col, MV mv, int sign_bias) { |
| const int base_blk_row = (blk_row >> 3) << 3; |
| const int base_blk_col = (blk_col >> 3) << 3; |
| |
| const int row_offset = (mv.row >= 0) ? (mv.row >> (4 + MI_SIZE_LOG2)) |
| : -((-mv.row) >> (4 + MI_SIZE_LOG2)); |
| |
| const int col_offset = (mv.col >= 0) ? (mv.col >> (4 + MI_SIZE_LOG2)) |
| : -((-mv.col) >> (4 + MI_SIZE_LOG2)); |
| |
| int row = (sign_bias == 1) ? blk_row - row_offset : blk_row + row_offset; |
| int col = (sign_bias == 1) ? blk_col - col_offset : blk_col + col_offset; |
| |
| if (row < 0 || row >= (cm->mi_rows >> 1) || col < 0 || |
| col >= (cm->mi_cols >> 1)) |
| return 0; |
| |
| if (row <= base_blk_row - (MAX_OFFSET_HEIGHT >> 3) || |
| row >= base_blk_row + 8 + (MAX_OFFSET_HEIGHT >> 3) || |
| col <= base_blk_col - (MAX_OFFSET_WIDTH >> 3) || |
| col >= base_blk_col + 8 + (MAX_OFFSET_WIDTH >> 3)) |
| return 0; |
| |
| *mi_r = row; |
| *mi_c = col; |
| |
| return 1; |
| } |
| |
| static uint32_t mv_sign_reverse(int_mv ref) { |
| int_mv this_mv; |
| this_mv.as_mv.row = -ref.as_mv.row; |
| this_mv.as_mv.col = -ref.as_mv.col; |
| |
| return this_mv.as_int; |
| } |
| |
| static void motion_field_projection(AV1_COMMON *cm, |
| MV_REFERENCE_FRAME ref_frame, |
| int ref_stamp) { |
| TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; |
| |
| int cur_frame_index = cm->cur_frame->cur_frame_offset; |
| int lst_frame_index = 0, alt_frame_index = 0, gld_frame_index = 0; |
| int lst2_frame_index = 0, lst3_frame_index = 0; |
| int bwd_frame_index = 0, alt2_frame_index = 0; |
| |
| int alt_buf_idx = cm->frame_refs[FWD_RF_OFFSET(ALTREF_FRAME)].idx; |
| int lst_buf_idx = cm->frame_refs[FWD_RF_OFFSET(LAST_FRAME)].idx; |
| int gld_buf_idx = cm->frame_refs[FWD_RF_OFFSET(GOLDEN_FRAME)].idx; |
| int lst2_buf_idx = cm->frame_refs[FWD_RF_OFFSET(LAST2_FRAME)].idx; |
| int lst3_buf_idx = cm->frame_refs[FWD_RF_OFFSET(LAST3_FRAME)].idx; |
| int bwd_buf_idx = cm->frame_refs[FWD_RF_OFFSET(BWDREF_FRAME)].idx; |
| int alt2_buf_idx = cm->frame_refs[FWD_RF_OFFSET(ALTREF2_FRAME)].idx; |
| |
| int ref_frame_idx = cm->frame_refs[FWD_RF_OFFSET(ref_frame)].idx; |
| |
| if (ref_frame_idx < 0) return; |
| |
| int ref_frame_index = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].cur_frame_offset; |
| |
| if (alt_buf_idx >= 0) |
| alt_frame_index = cm->buffer_pool->frame_bufs[alt_buf_idx].cur_frame_offset; |
| |
| if (lst_buf_idx >= 0) |
| lst_frame_index = cm->buffer_pool->frame_bufs[lst_buf_idx].cur_frame_offset; |
| |
| if (gld_buf_idx >= 0) |
| gld_frame_index = cm->buffer_pool->frame_bufs[gld_buf_idx].cur_frame_offset; |
| |
| if (lst2_buf_idx >= 0) |
| lst2_frame_index = |
| cm->buffer_pool->frame_bufs[lst2_buf_idx].cur_frame_offset; |
| |
| if (lst3_buf_idx >= 0) |
| lst3_frame_index = |
| cm->buffer_pool->frame_bufs[lst3_buf_idx].cur_frame_offset; |
| |
| if (bwd_buf_idx >= 0) |
| bwd_frame_index = cm->buffer_pool->frame_bufs[bwd_buf_idx].cur_frame_offset; |
| |
| if (alt2_buf_idx >= 0) |
| alt2_frame_index = |
| cm->buffer_pool->frame_bufs[alt2_buf_idx].cur_frame_offset; |
| |
| MV_REF *mv_ref_base = cm->buffer_pool->frame_bufs[ref_frame_idx].mvs; |
| const int lst_frame_idx = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].lst_frame_offset; |
| const int gld_frame_idx = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].gld_frame_offset; |
| const int lst2_frame_idx = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].lst2_frame_offset; |
| const int lst3_frame_idx = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].lst3_frame_offset; |
| const int bwd_frame_idx = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].bwd_frame_offset; |
| const int alt2_frame_idx = |
| cm->buffer_pool->frame_bufs[ref_frame_idx].alt2_frame_offset; |
| |
| int cur_to_ref = ref_frame_index - cur_frame_index; |
| |
| int lst_offset = AOMMAX(1, ref_frame_index - lst_frame_idx); |
| int gld_offset = AOMMAX(1, ref_frame_index - gld_frame_idx); |
| int cur_to_alt = alt_frame_index - cur_frame_index; |
| int cur_to_lst = cur_frame_index - lst_frame_index; |
| int cur_to_gld = cur_frame_index - gld_frame_index; |
| int bwd_offset = AOMMAX(1, ref_frame_index - bwd_frame_idx); |
| int alt2_offset = AOMMAX(1, ref_frame_index - alt2_frame_idx); |
| int lst2_offset = AOMMAX(1, ref_frame_index - lst2_frame_idx); |
| int lst3_offset = AOMMAX(1, ref_frame_index - lst3_frame_idx); |
| int cur_to_lst2 = cur_frame_index - lst2_frame_index; |
| int cur_to_lst3 = cur_frame_index - lst3_frame_index; |
| int cur_to_bwd = bwd_frame_index - cur_frame_index; |
| int cur_to_alt2 = alt2_frame_index - cur_frame_index; |
| // clang-format off |
| const int ref_frame_offset_buffer[TOTAL_REFS_PER_FRAME] = { |
| 0, lst_offset, lst2_offset, lst3_offset, gld_offset, |
| bwd_offset, alt2_offset, 0, |
| }; |
| // clang-format on |
| const int mvs_rows = (cm->mi_rows + 1) >> 1; |
| const int mvs_cols = (cm->mi_cols + 1) >> 1; |
| |
| for (int blk_row = 0; blk_row < mvs_rows; ++blk_row) { |
| for (int blk_col = 0; blk_col < mvs_cols; ++blk_col) { |
| MV_REF *mv_ref = &mv_ref_base[blk_row * mvs_cols + blk_col]; |
| MV fwd_mv = mv_ref->mv[0].as_mv; |
| MV_REFERENCE_FRAME rf[2] = { mv_ref->ref_frame[0], mv_ref->ref_frame[1] }; |
| |
| const int ref_frame_offset = ref_frame_offset_buffer[rf[0]]; |
| |
| if (rf[0] <= GOLDEN_FRAME && rf[0] > INTRA_FRAME) { |
| int_mv this_mv; |
| int mi_r, mi_c; |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_ref, ref_frame_offset); |
| int pos_valid = get_block_position(cm, &mi_r, &mi_c, blk_row, blk_col, |
| this_mv.as_mv, 0); |
| |
| if (pos_valid) { |
| int mi_offset = mi_r * (cm->mi_stride >> 1) + mi_c; |
| |
| if (ref_frame == ALTREF_FRAME) { |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_alt, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(ALTREF_FRAME)][ref_stamp] |
| .as_int = mv_sign_reverse(this_mv); |
| } |
| |
| if (ref_frame >= ALTREF2_FRAME) { |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_alt2, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(ALTREF2_FRAME)][ref_stamp] |
| .as_int = mv_sign_reverse(this_mv); |
| } |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_bwd, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(BWDREF_FRAME)][ref_stamp] |
| .as_int = mv_sign_reverse(this_mv); |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(LAST_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| |
| if (rf[0] >= LAST2_FRAME) { |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst2, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(LAST2_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| } |
| |
| if (rf[0] >= LAST3_FRAME) { |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst3, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(LAST3_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| } |
| if (rf[0] >= GOLDEN_FRAME) { |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_gld, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(GOLDEN_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| void av1_setup_motion_field(AV1_COMMON *cm) { |
| int cur_frame_index = cm->cur_frame->cur_frame_offset; |
| int lst_frame_index = 0, alt_frame_index = 0, gld_frame_index = 0; |
| int lst2_frame_index = 0, lst3_frame_index = 0; |
| int bwd_frame_index = 0, alt2_frame_index = 0; |
| TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; |
| |
| for (int ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) { |
| int size = ((cm->mi_rows + MAX_MIB_SIZE) >> 1) * (cm->mi_stride >> 1); |
| for (int idx = 0; idx < size; ++idx) { |
| for (int i = 0; i < MFMV_STACK_SIZE; ++i) |
| tpl_mvs_base[idx].mfmv[ref_frame][i].as_int = INVALID_MV; |
| } |
| } |
| |
| int alt_buf_idx = cm->frame_refs[ALTREF_FRAME - LAST_FRAME].idx; |
| int lst_buf_idx = cm->frame_refs[LAST_FRAME - LAST_FRAME].idx; |
| int gld_buf_idx = cm->frame_refs[GOLDEN_FRAME - LAST_FRAME].idx; |
| int lst2_buf_idx = cm->frame_refs[LAST2_FRAME - LAST_FRAME].idx; |
| int lst3_buf_idx = cm->frame_refs[LAST3_FRAME - LAST_FRAME].idx; |
| int bwd_buf_idx = cm->frame_refs[BWDREF_FRAME - LAST_FRAME].idx; |
| int alt2_buf_idx = cm->frame_refs[ALTREF2_FRAME - LAST_FRAME].idx; |
| |
| if (alt_buf_idx >= 0) |
| alt_frame_index = cm->buffer_pool->frame_bufs[alt_buf_idx].cur_frame_offset; |
| |
| if (lst_buf_idx >= 0) |
| lst_frame_index = cm->buffer_pool->frame_bufs[lst_buf_idx].cur_frame_offset; |
| |
| if (gld_buf_idx >= 0) |
| gld_frame_index = cm->buffer_pool->frame_bufs[gld_buf_idx].cur_frame_offset; |
| |
| if (lst2_buf_idx >= 0) |
| lst2_frame_index = |
| cm->buffer_pool->frame_bufs[lst2_buf_idx].cur_frame_offset; |
| |
| if (lst3_buf_idx >= 0) |
| lst3_frame_index = |
| cm->buffer_pool->frame_bufs[lst3_buf_idx].cur_frame_offset; |
| |
| if (bwd_buf_idx >= 0) |
| bwd_frame_index = cm->buffer_pool->frame_bufs[bwd_buf_idx].cur_frame_offset; |
| |
| if (alt2_buf_idx >= 0) |
| alt2_frame_index = |
| cm->buffer_pool->frame_bufs[alt2_buf_idx].cur_frame_offset; |
| |
| if (alt_frame_index < cur_frame_index) return; |
| |
| int ref_stamp = MFMV_STACK_SIZE - 1; |
| |
| // ====================== |
| // Process last frame |
| // ====================== |
| if (lst_buf_idx >= 0) { |
| MV_REF *mv_ref_base = cm->buffer_pool->frame_bufs[lst_buf_idx].mvs; |
| const int lst_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].lst_frame_offset; |
| const int alt_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].alt_frame_offset; |
| const int gld_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].gld_frame_offset; |
| const int lst2_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].lst2_frame_offset; |
| const int lst3_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].lst3_frame_offset; |
| const int bwd_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].bwd_frame_offset; |
| const int alt2_frame_idx = |
| cm->buffer_pool->frame_bufs[lst_buf_idx].alt2_frame_offset; |
| |
| int alt_offset = AOMMAX(1, alt_frame_idx - lst_frame_index); |
| int lst_offset = AOMMAX(1, lst_frame_index - lst_frame_idx); |
| int gld_offset = AOMMAX(1, lst_frame_index - gld_frame_idx); |
| int cur_to_lst = cur_frame_index - lst_frame_index; |
| int cur_to_alt = alt_frame_index - cur_frame_index; |
| int cur_to_gld = cur_frame_index - gld_frame_index; |
| |
| int bwd_offset = AOMMAX(1, bwd_frame_idx - lst_frame_index); |
| int alt2_offset = AOMMAX(1, alt2_frame_idx - lst_frame_index); |
| int lst2_offset = AOMMAX(1, lst_frame_index - lst2_frame_idx); |
| int lst3_offset = AOMMAX(1, lst_frame_index - lst3_frame_idx); |
| int cur_to_lst2 = cur_frame_index - lst2_frame_index; |
| int cur_to_lst3 = cur_frame_index - lst3_frame_index; |
| int cur_to_bwd = bwd_frame_index - cur_frame_index; |
| int cur_to_alt2 = alt2_frame_index - cur_frame_index; |
| |
| const int is_lst_overlay = (alt_frame_idx == gld_frame_index); |
| // clang-format off |
| const int ref_frame_offset_buffer[TOTAL_REFS_PER_FRAME] = { |
| 0, lst_offset, lst2_offset, lst3_offset, gld_offset, |
| bwd_offset, alt2_offset, alt_offset |
| }; |
| // clang-format on |
| |
| const int mvs_rows = (cm->mi_rows + 1) >> 1; |
| const int mvs_cols = (cm->mi_cols + 1) >> 1; |
| |
| for (int blk_row = 0; blk_row < mvs_rows && !is_lst_overlay; ++blk_row) { |
| for (int blk_col = 0; blk_col < mvs_cols; ++blk_col) { |
| MV_REF *mv_ref = &mv_ref_base[blk_row * mvs_cols + blk_col]; |
| MV fwd_mv = mv_ref->mv[0].as_mv; |
| MV_REFERENCE_FRAME ref_frame[2] = { mv_ref->ref_frame[0], |
| mv_ref->ref_frame[1] }; |
| |
| // Derive motion vectors toward last reference frame. |
| if (ref_frame[0] <= GOLDEN_FRAME && ref_frame[0] > INTRA_FRAME) { |
| int_mv this_mv; |
| int mi_r, mi_c; |
| |
| const int ref_frame_offset = ref_frame_offset_buffer[ref_frame[0]]; |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst, |
| ref_frame_offset); |
| int pos_valid = get_block_position(cm, &mi_r, &mi_c, blk_row, blk_col, |
| this_mv.as_mv, 1); |
| |
| if (pos_valid) { |
| int mi_offset = mi_r * (cm->mi_stride >> 1) + mi_c; |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(LAST_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst2, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(LAST2_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst3, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(LAST3_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_gld, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(GOLDEN_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| } |
| } |
| |
| for (int idx = 0; idx < 2; ++idx) { |
| if (ref_frame[idx] <= GOLDEN_FRAME) continue; |
| |
| int_mv this_mv; |
| int mi_r, mi_c; |
| fwd_mv = mv_ref->mv[idx].as_mv; |
| |
| const int ref_frame_offset = ref_frame_offset_buffer[ref_frame[idx]]; |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_lst, |
| ref_frame_offset); |
| int pos_valid = get_block_position(cm, &mi_r, &mi_c, blk_row, blk_col, |
| this_mv.as_mv, 0); |
| |
| if (pos_valid) { |
| int mi_offset = mi_r * (cm->mi_stride >> 1) + mi_c; |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_alt, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(ALTREF_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_bwd, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(BWDREF_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| get_mv_projection(&this_mv.as_mv, fwd_mv, cur_to_alt2, |
| ref_frame_offset); |
| tpl_mvs_base[mi_offset] |
| .mfmv[FWD_RF_OFFSET(ALTREF2_FRAME)][ref_stamp] |
| .as_int = this_mv.as_int; |
| } |
| } |
| } |
| } |
| |
| --ref_stamp; |
| } |
| |
| if (bwd_frame_index > cur_frame_index) { |
| motion_field_projection(cm, BWDREF_FRAME, ref_stamp); |
| --ref_stamp; |
| } |
| |
| if (alt2_frame_index > cur_frame_index) { |
| motion_field_projection(cm, ALTREF2_FRAME, ref_stamp); |
| --ref_stamp; |
| } |
| |
| if (alt_frame_index > cur_frame_index && ref_stamp >= 0) |
| motion_field_projection(cm, ALTREF_FRAME, 2); |
| } |
| #endif // CONFIG_MFMV |
| |
| #if CONFIG_WARPED_MOTION |
| #if CONFIG_EXT_WARPED_MOTION |
| static INLINE void record_samples(MB_MODE_INFO *mbmi, int *pts, int *pts_inref, |
| int *pts_mv, int global_offset_r, |
| int global_offset_c, int row_offset, |
| int sign_r, int col_offset, int sign_c) { |
| int bw = block_size_wide[mbmi->sb_type]; |
| int bh = block_size_high[mbmi->sb_type]; |
| int cr_offset = row_offset * MI_SIZE + sign_r * AOMMAX(bh, MI_SIZE) / 2 - 1; |
| int cc_offset = col_offset * MI_SIZE + sign_c * AOMMAX(bw, MI_SIZE) / 2 - 1; |
| int x = cc_offset + global_offset_c; |
| int y = cr_offset + global_offset_r; |
| |
| pts[0] = (x * 8); |
| pts[1] = (y * 8); |
| pts_inref[0] = (x * 8) + mbmi->mv[0].as_mv.col; |
| pts_inref[1] = (y * 8) + mbmi->mv[0].as_mv.row; |
| pts_mv[0] = mbmi->mv[0].as_mv.col; |
| pts_mv[1] = mbmi->mv[0].as_mv.row; |
| } |
| |
| // Only sort pts and pts_inref, and pts_mv is not sorted. |
| #define TRIM_THR 16 |
| int sortSamples(int *pts_mv, MV *mv, int *pts, int *pts_inref, int len) { |
| int pts_mvd[SAMPLES_ARRAY_SIZE] = { 0 }; |
| int i, j, k; |
| int ret = len; |
| assert(len <= SAMPLES_MAX); |
| |
| for (i = 0; i < len; ++i) |
| pts_mvd[i] = |
| abs(pts_mv[2 * i] - mv->col) + abs(pts_mv[2 * i + 1] - mv->row); |
| |
| for (i = 1; i <= len - 1; ++i) { |
| for (j = 0; j < i; ++j) { |
| if (pts_mvd[j] > pts_mvd[i]) { |
| int temp, tempi, tempj, ptempi, ptempj; |
| |
| temp = pts_mvd[i]; |
| tempi = pts[2 * i]; |
| tempj = pts[2 * i + 1]; |
| ptempi = pts_inref[2 * i]; |
| ptempj = pts_inref[2 * i + 1]; |
| |
| for (k = i; k > j; k--) { |
| pts_mvd[k] = pts_mvd[k - 1]; |
| pts[2 * k] = pts[2 * (k - 1)]; |
| pts[2 * k + 1] = pts[2 * (k - 1) + 1]; |
| pts_inref[2 * k] = pts_inref[2 * (k - 1)]; |
| pts_inref[2 * k + 1] = pts_inref[2 * (k - 1) + 1]; |
| } |
| |
| pts_mvd[j] = temp; |
| pts[2 * j] = tempi; |
| pts[2 * j + 1] = tempj; |
| pts_inref[2 * j] = ptempi; |
| pts_inref[2 * j + 1] = ptempj; |
| break; |
| } |
| } |
| } |
| |
| len = AOMMIN(len, LEAST_SQUARES_SAMPLES_MAX); |
| |
| for (i = len - 1; i >= 1; i--) { |
| if ((pts_mvd[i] - pts_mvd[i - 1]) >= TRIM_THR) ret = i; |
| } |
| |
| return ret; |
| } |
| |
| // Note: Samples returned are at 1/8-pel precision |
| int findSamples(const AV1_COMMON *cm, MACROBLOCKD *xd, int mi_row, int mi_col, |
| int *pts, int *pts_inref, int *pts_mv) { |
| MB_MODE_INFO *const mbmi0 = &(xd->mi[0]->mbmi); |
| int ref_frame = mbmi0->ref_frame[0]; |
| int up_available = xd->up_available; |
| int left_available = xd->left_available; |
| int i, mi_step = 1, np = 0; |
| int global_offset_c = mi_col * MI_SIZE; |
| int global_offset_r = mi_row * MI_SIZE; |
| |
| const TileInfo *const tile = &xd->tile; |
| int do_tl = 1; |
| int do_tr = 1; |
| |
| // scan the nearest above rows |
| if (up_available) { |
| int mi_row_offset = -1; |
| MODE_INFO *mi = xd->mi[mi_row_offset * xd->mi_stride]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| uint8_t n8_w = mi_size_wide[mbmi->sb_type]; |
| |
| if (xd->n8_w <= n8_w) { |
| // Handle "current block width <= above block width" case. |
| int col_offset = -mi_col % n8_w; |
| |
| if (col_offset < 0) do_tl = 0; |
| if (col_offset + n8_w > xd->n8_w) do_tr = 0; |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| record_samples(mbmi, pts, pts_inref, pts_mv, global_offset_r, |
| global_offset_c, 0, -1, col_offset, 1); |
| pts += 2; |
| pts_inref += 2; |
| pts_mv += 2; |
| np++; |
| if (np >= SAMPLES_MAX) return SAMPLES_MAX; |
| } |
| } else { |
| // Handle "current block width > above block width" case. |
| for (i = 0; i < AOMMIN(xd->n8_w, cm->mi_cols - mi_col); i += mi_step) { |
| int mi_col_offset = i; |
| mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| mbmi = &mi->mbmi; |
| n8_w = mi_size_wide[mbmi->sb_type]; |
| mi_step = AOMMIN(xd->n8_w, n8_w); |
| |
| if (mbmi->ref_frame[0] == ref_frame && |
| mbmi->ref_frame[1] == NONE_FRAME) { |
| record_samples(mbmi, pts, pts_inref, pts_mv, global_offset_r, |
| global_offset_c, 0, -1, i, 1); |
| pts += 2; |
| pts_inref += 2; |
| pts_mv += 2; |
| np++; |
| if (np >= SAMPLES_MAX) return SAMPLES_MAX; |
| } |
| } |
| } |
| } |
| assert(np <= SAMPLES_MAX); |
| |
| // scan the nearest left columns |
| if (left_available) { |
| int mi_col_offset = -1; |
| |
| MODE_INFO *mi = xd->mi[mi_col_offset]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| uint8_t n8_h = mi_size_high[mbmi->sb_type]; |
| |
| if (xd->n8_h <= n8_h) { |
| // Handle "current block height <= above block height" case. |
| int row_offset = -mi_row % n8_h; |
| |
| if (row_offset < 0) do_tl = 0; |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| record_samples(mbmi, pts, pts_inref, pts_mv, global_offset_r, |
| global_offset_c, row_offset, 1, 0, -1); |
| pts += 2; |
| pts_inref += 2; |
| pts_mv += 2; |
| np++; |
| if (np >= SAMPLES_MAX) return SAMPLES_MAX; |
| } |
| } else { |
| // Handle "current block height > above block height" case. |
| for (i = 0; i < AOMMIN(xd->n8_h, cm->mi_rows - mi_row); i += mi_step) { |
| int mi_row_offset = i; |
| mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| mbmi = &mi->mbmi; |
| n8_h = mi_size_high[mbmi->sb_type]; |
| mi_step = AOMMIN(xd->n8_h, n8_h); |
| |
| if (mbmi->ref_frame[0] == ref_frame && |
| mbmi->ref_frame[1] == NONE_FRAME) { |
| record_samples(mbmi, pts, pts_inref, pts_mv, global_offset_r, |
| global_offset_c, i, 1, 0, -1); |
| pts += 2; |
| pts_inref += 2; |
| pts_mv += 2; |
| np++; |
| if (np >= SAMPLES_MAX) return SAMPLES_MAX; |
| } |
| } |
| } |
| } |
| assert(np <= SAMPLES_MAX); |
| |
| // Top-left block |
| if (do_tl && left_available && up_available) { |
| int mi_row_offset = -1; |
| int mi_col_offset = -1; |
| |
| MODE_INFO *mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| record_samples(mbmi, pts, pts_inref, pts_mv, global_offset_r, |
| global_offset_c, 0, -1, 0, -1); |
| pts += 2; |
| pts_inref += 2; |
| pts_mv += 2; |
| np++; |
| if (np >= SAMPLES_MAX) return SAMPLES_MAX; |
| } |
| } |
| assert(np <= SAMPLES_MAX); |
| |
| // Top-right block |
| if (do_tr && |
| has_top_right(cm, xd, mi_row, mi_col, AOMMAX(xd->n8_w, xd->n8_h))) { |
| POSITION trb_pos = { -1, xd->n8_w }; |
| |
| if (is_inside(tile, mi_col, mi_row, cm->mi_rows, cm, &trb_pos)) { |
| int mi_row_offset = -1; |
| int mi_col_offset = xd->n8_w; |
| |
| MODE_INFO *mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| record_samples(mbmi, pts, pts_inref, pts_mv, global_offset_r, |
| global_offset_c, 0, -1, xd->n8_w, 1); |
| np++; |
| if (np >= SAMPLES_MAX) return SAMPLES_MAX; |
| } |
| } |
| } |
| assert(np <= SAMPLES_MAX); |
| |
| return np; |
| } |
| #else |
| void calc_projection_samples(MB_MODE_INFO *const mbmi, int x, int y, |
| int *pts_inref) { |
| pts_inref[0] = (x * 8) + mbmi->mv[0].as_mv.col; |
| pts_inref[1] = (y * 8) + mbmi->mv[0].as_mv.row; |
| } |
| |
| // Note: Samples returned are at 1/8-pel precision |
| int findSamples(const AV1_COMMON *cm, MACROBLOCKD *xd, int mi_row, int mi_col, |
| int *pts, int *pts_inref) { |
| MB_MODE_INFO *const mbmi0 = &(xd->mi[0]->mbmi); |
| int ref_frame = mbmi0->ref_frame[0]; |
| int up_available = xd->up_available; |
| int left_available = xd->left_available; |
| int i, mi_step, np = 0; |
| int global_offset_c = mi_col * MI_SIZE; |
| int global_offset_r = mi_row * MI_SIZE; |
| |
| // scan the above row |
| if (up_available) { |
| for (i = 0; i < AOMMIN(xd->n8_w, cm->mi_cols - mi_col); i += mi_step) { |
| int mi_row_offset = -1; |
| int mi_col_offset = i; |
| |
| MODE_INFO *mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| |
| mi_step = AOMMIN(xd->n8_w, mi_size_wide[mbmi->sb_type]); |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| int bw = block_size_wide[mbmi->sb_type]; |
| int bh = block_size_high[mbmi->sb_type]; |
| int cr_offset = -AOMMAX(bh, MI_SIZE) / 2 - 1; |
| int cc_offset = i * MI_SIZE + AOMMAX(bw, MI_SIZE) / 2 - 1; |
| int x = cc_offset + global_offset_c; |
| int y = cr_offset + global_offset_r; |
| |
| pts[0] = (x * 8); |
| pts[1] = (y * 8); |
| calc_projection_samples(mbmi, x, y, pts_inref); |
| pts += 2; |
| pts_inref += 2; |
| np++; |
| if (np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX; |
| } |
| } |
| } |
| assert(2 * np <= SAMPLES_ARRAY_SIZE); |
| |
| // scan the left column |
| if (left_available) { |
| for (i = 0; i < AOMMIN(xd->n8_h, cm->mi_rows - mi_row); i += mi_step) { |
| int mi_row_offset = i; |
| int mi_col_offset = -1; |
| |
| MODE_INFO *mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| |
| mi_step = AOMMIN(xd->n8_h, mi_size_high[mbmi->sb_type]); |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| int bw = block_size_wide[mbmi->sb_type]; |
| int bh = block_size_high[mbmi->sb_type]; |
| int cr_offset = i * MI_SIZE + AOMMAX(bh, MI_SIZE) / 2 - 1; |
| int cc_offset = -AOMMAX(bw, MI_SIZE) / 2 - 1; |
| int x = cc_offset + global_offset_c; |
| int y = cr_offset + global_offset_r; |
| |
| pts[0] = (x * 8); |
| pts[1] = (y * 8); |
| calc_projection_samples(mbmi, x, y, pts_inref); |
| pts += 2; |
| pts_inref += 2; |
| np++; |
| if (np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX; |
| } |
| } |
| } |
| assert(2 * np <= SAMPLES_ARRAY_SIZE); |
| |
| if (left_available && up_available) { |
| int mi_row_offset = -1; |
| int mi_col_offset = -1; |
| |
| MODE_INFO *mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride]; |
| MB_MODE_INFO *mbmi = &mi->mbmi; |
| |
| if (mbmi->ref_frame[0] == ref_frame && mbmi->ref_frame[1] == NONE_FRAME) { |
| int bw = block_size_wide[mbmi->sb_type]; |
| int bh = block_size_high[mbmi->sb_type]; |
| int cr_offset = -AOMMAX(bh, MI_SIZE) / 2 - 1; |
| int cc_offset = -AOMMAX(bw, MI_SIZE) / 2 - 1; |
| int x = cc_offset + global_offset_c; |
| int y = cr_offset + global_offset_r; |
| |
| pts[0] = (x * 8); |
| pts[1] = (y * 8); |
| calc_projection_samples(mbmi, x, y, pts_inref); |
| np++; |
| } |
| } |
| assert(2 * np <= SAMPLES_ARRAY_SIZE); |
| |
| return np; |
| } |
| #endif // CONFIG_EXT_WARPED_MOTION |
| #endif // CONFIG_WARPED_MOTION |
