| /* |
| * 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 <math.h> |
| |
| #include "aom_ports/system_state.h" |
| |
| #include "av1/common/blockd.h" |
| #include "av1/common/onyxc_int.h" |
| |
| PREDICTION_MODE av1_left_block_mode(const MB_MODE_INFO *left_mi) { |
| if (!left_mi) return DC_PRED; |
| assert(!is_inter_block(left_mi) || is_intrabc_block(left_mi)); |
| return left_mi->mode; |
| } |
| |
| PREDICTION_MODE av1_above_block_mode(const MB_MODE_INFO *above_mi) { |
| if (!above_mi) return DC_PRED; |
| assert(!is_inter_block(above_mi) || is_intrabc_block(above_mi)); |
| return above_mi->mode; |
| } |
| |
| void av1_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd, |
| int plane, BLOCK_SIZE plane_bsize, TX_SIZE tx_size, |
| int has_eob, int aoff, int loff) { |
| ENTROPY_CONTEXT *const a = pd->above_context + aoff; |
| ENTROPY_CONTEXT *const l = pd->left_context + loff; |
| const int txs_wide = tx_size_wide_unit[tx_size]; |
| const int txs_high = tx_size_high_unit[tx_size]; |
| |
| // above |
| if (has_eob && xd->mb_to_right_edge < 0) { |
| const int blocks_wide = max_block_wide(xd, plane_bsize, plane); |
| const int above_contexts = AOMMIN(txs_wide, blocks_wide - aoff); |
| memset(a, has_eob, sizeof(*a) * above_contexts); |
| memset(a + above_contexts, 0, sizeof(*a) * (txs_wide - above_contexts)); |
| } else { |
| memset(a, has_eob, sizeof(*a) * txs_wide); |
| } |
| |
| // left |
| if (has_eob && xd->mb_to_bottom_edge < 0) { |
| const int blocks_high = max_block_high(xd, plane_bsize, plane); |
| const int left_contexts = AOMMIN(txs_high, blocks_high - loff); |
| memset(l, has_eob, sizeof(*l) * left_contexts); |
| memset(l + left_contexts, 0, sizeof(*l) * (txs_high - left_contexts)); |
| } else { |
| memset(l, has_eob, sizeof(*l) * txs_high); |
| } |
| } |
| void av1_reset_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize, const int num_planes) { |
| int i; |
| int nplanes; |
| int chroma_ref; |
| assert(bsize < BLOCK_SIZES_ALL); |
| |
| chroma_ref = |
| is_chroma_reference(mi_row, mi_col, bsize, xd->plane[1].subsampling_x, |
| xd->plane[1].subsampling_y); |
| nplanes = 1 + (num_planes - 1) * chroma_ref; |
| for (i = 0; i < nplanes; i++) { |
| struct macroblockd_plane *const pd = &xd->plane[i]; |
| const BLOCK_SIZE plane_bsize = |
| get_plane_block_size(bsize, pd->subsampling_x, pd->subsampling_y); |
| const int txs_wide = block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; |
| const int txs_high = block_size_high[plane_bsize] >> tx_size_high_log2[0]; |
| memset(pd->above_context, 0, sizeof(ENTROPY_CONTEXT) * txs_wide); |
| memset(pd->left_context, 0, sizeof(ENTROPY_CONTEXT) * txs_high); |
| } |
| } |
| |
| void av1_reset_loop_filter_delta(MACROBLOCKD *xd, int num_planes) { |
| xd->delta_lf_from_base = 0; |
| const int frame_lf_count = |
| num_planes > 1 ? FRAME_LF_COUNT : FRAME_LF_COUNT - 2; |
| for (int lf_id = 0; lf_id < frame_lf_count; ++lf_id) xd->delta_lf[lf_id] = 0; |
| } |
| |
| void av1_reset_loop_restoration(MACROBLOCKD *xd, const int num_planes) { |
| for (int p = 0; p < num_planes; ++p) { |
| set_default_wiener(xd->wiener_info + p); |
| set_default_sgrproj(xd->sgrproj_info + p); |
| } |
| } |
| |
| void av1_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y, |
| const int num_planes) { |
| int i; |
| |
| for (i = 0; i < num_planes; i++) { |
| xd->plane[i].plane_type = get_plane_type(i); |
| xd->plane[i].subsampling_x = i ? ss_x : 0; |
| xd->plane[i].subsampling_y = i ? ss_y : 0; |
| } |
| for (i = num_planes; i < MAX_MB_PLANE; i++) { |
| xd->plane[i].subsampling_x = 1; |
| xd->plane[i].subsampling_y = 1; |
| } |
| } |