| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include <assert.h> |
| |
| #include "av1/common/blockd.h" |
| #include "av1/common/cdef.h" |
| #include "av1/common/cdef_block.h" |
| #include "av1/common/cfl.h" |
| #include "av1/common/common.h" |
| #include "av1/common/entropy.h" |
| #include "av1/common/entropymode.h" |
| #include "av1/common/entropymv.h" |
| #include "av1/common/mvref_common.h" |
| #include "av1/common/pred_common.h" |
| #include "av1/common/reconinter.h" |
| #include "av1/common/reconintra.h" |
| #include "av1/common/seg_common.h" |
| #include "av1/common/warped_motion.h" |
| |
| #include "av1/decoder/decodeframe.h" |
| #include "av1/decoder/decodemv.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| |
| #define ACCT_STR __func__ |
| |
| #define DEC_MISMATCH_DEBUG 0 |
| |
| #if !CONFIG_AIMC |
| static PREDICTION_MODE read_intra_mode(aom_reader *r, aom_cdf_prob *cdf) { |
| return (PREDICTION_MODE)aom_read_symbol(r, cdf, INTRA_MODES, ACCT_STR); |
| } |
| #endif // !CONFIG_AIMC |
| |
| static void read_cdef(AV1_COMMON *cm, aom_reader *r, MACROBLOCKD *const xd) { |
| assert(xd->tree_type != CHROMA_PART); |
| const int skip_txfm = xd->mi[0]->skip_txfm[0]; |
| if (cm->features.coded_lossless) return; |
| if (is_global_intrabc_allowed(cm)) { |
| #if CONFIG_FIX_CDEF_SYNTAX |
| assert(cm->cdef_info.cdef_frame_enable == 0); |
| #else |
| assert(cm->cdef_info.cdef_bits == 0); |
| #endif // CONFIG_FIX_CDEF_SYNTAX |
| return; |
| } |
| #if CONFIG_FIX_CDEF_SYNTAX |
| if (!cm->cdef_info.cdef_frame_enable) return; |
| #endif // CONFIG_FIX_CDEF_SYNTAX |
| |
| // At the start of a superblock, mark that we haven't yet read CDEF strengths |
| // for any of the CDEF units contained in this superblock. |
| const int sb_mask = (cm->seq_params.mib_size - 1); |
| const int mi_row_in_sb = (xd->mi_row & sb_mask); |
| const int mi_col_in_sb = (xd->mi_col & sb_mask); |
| if (mi_row_in_sb == 0 && mi_col_in_sb == 0) { |
| av1_zero(xd->cdef_transmitted); |
| } |
| |
| // CDEF unit size is 64x64 irrespective of the superblock size. |
| const int cdef_size = 1 << MI_IN_CDEF_LINEAR_LOG2; |
| |
| // Find index of this CDEF unit in this superblock. |
| const int index = av1_get_cdef_transmitted_index(xd->mi_row, xd->mi_col); |
| |
| // Read CDEF strength from the first non-skip coding block in this CDEF unit. |
| if (!xd->cdef_transmitted[index] && !skip_txfm) { |
| // CDEF strength for this CDEF unit needs to be read into the MB_MODE_INFO |
| // of the 1st block in this CDEF unit. |
| const int first_block_mask = ~(cdef_size - 1); |
| CommonModeInfoParams *const mi_params = &cm->mi_params; |
| const int grid_idx = |
| get_mi_grid_idx(mi_params, xd->mi_row & first_block_mask, |
| xd->mi_col & first_block_mask); |
| MB_MODE_INFO *const mbmi = mi_params->mi_grid_base[grid_idx]; |
| mbmi->cdef_strength = |
| aom_read_literal(r, cm->cdef_info.cdef_bits, ACCT_STR); |
| xd->cdef_transmitted[index] = true; |
| } |
| } |
| |
| #if CONFIG_CCSO |
| static void read_ccso(AV1_COMMON *cm, aom_reader *r, MACROBLOCKD *const xd) { |
| if (cm->features.coded_lossless) return; |
| if (is_global_intrabc_allowed(cm)) return; |
| const CommonModeInfoParams *const mi_params = &cm->mi_params; |
| const int mi_row = xd->mi_row; |
| const int mi_col = xd->mi_col; |
| const int blk_size_y = |
| (1 << (CCSO_BLK_SIZE + xd->plane[1].subsampling_y - MI_SIZE_LOG2)) - 1; |
| const int blk_size_x = |
| (1 << (CCSO_BLK_SIZE + xd->plane[1].subsampling_x - MI_SIZE_LOG2)) - 1; |
| |
| #if CONFIG_CCSO_EXT |
| if (!(mi_row & blk_size_y) && !(mi_col & blk_size_x) && |
| cm->ccso_info.ccso_enable[0]) { |
| const int blk_idc = |
| aom_read_symbol(r, xd->tile_ctx->ccso_cdf[0], 2, ACCT_STR); |
| xd->ccso_blk_y = blk_idc; |
| mi_params |
| ->mi_grid_base[(mi_row & ~blk_size_y) * mi_params->mi_stride + |
| (mi_col & ~blk_size_x)] |
| ->ccso_blk_y = blk_idc; |
| } |
| #endif |
| |
| if (!(mi_row & blk_size_y) && !(mi_col & blk_size_x) && |
| #if CONFIG_CCSO_EXT |
| cm->ccso_info.ccso_enable[1]) { |
| const int blk_idc = |
| aom_read_symbol(r, xd->tile_ctx->ccso_cdf[1], 2, ACCT_STR); |
| #else |
| cm->ccso_info.ccso_enable[0]) { |
| const int blk_idc = aom_read_bit(r, ACCT_STR); |
| #endif |
| xd->ccso_blk_u = blk_idc; |
| mi_params |
| ->mi_grid_base[(mi_row & ~blk_size_y) * mi_params->mi_stride + |
| (mi_col & ~blk_size_x)] |
| ->ccso_blk_u = blk_idc; |
| } |
| |
| if (!(mi_row & blk_size_y) && !(mi_col & blk_size_x) && |
| #if CONFIG_CCSO_EXT |
| cm->ccso_info.ccso_enable[2]) { |
| const int blk_idc = |
| aom_read_symbol(r, xd->tile_ctx->ccso_cdf[2], 2, ACCT_STR); |
| #else |
| cm->ccso_info.ccso_enable[1]) { |
| const int blk_idc = aom_read_bit(r, ACCT_STR); |
| #endif |
| xd->ccso_blk_v = blk_idc; |
| mi_params |
| ->mi_grid_base[(mi_row & ~blk_size_y) * mi_params->mi_stride + |
| (mi_col & ~blk_size_x)] |
| ->ccso_blk_v = blk_idc; |
| } |
| } |
| #endif |
| |
| static int read_delta_qindex(AV1_COMMON *cm, const MACROBLOCKD *xd, |
| aom_reader *r, MB_MODE_INFO *const mbmi) { |
| int sign, abs, reduced_delta_qindex = 0; |
| BLOCK_SIZE bsize = mbmi->sb_type[xd->tree_type == CHROMA_PART]; |
| const int b_col = xd->mi_col & (cm->seq_params.mib_size - 1); |
| const int b_row = xd->mi_row & (cm->seq_params.mib_size - 1); |
| const int read_delta_q_flag = (b_col == 0 && b_row == 0); |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| if ((bsize != cm->seq_params.sb_size || |
| mbmi->skip_txfm[xd->tree_type == CHROMA_PART] == 0) && |
| read_delta_q_flag) { |
| abs = aom_read_symbol(r, ec_ctx->delta_q_cdf, DELTA_Q_PROBS + 1, ACCT_STR); |
| const int smallval = (abs < DELTA_Q_SMALL); |
| |
| if (!smallval) { |
| const int rem_bits = aom_read_literal(r, 3, ACCT_STR) + 1; |
| const int thr = (1 << rem_bits) + 1; |
| abs = aom_read_literal(r, rem_bits, ACCT_STR) + thr; |
| } |
| |
| if (abs) { |
| sign = aom_read_bit(r, ACCT_STR); |
| } else { |
| sign = 1; |
| } |
| |
| reduced_delta_qindex = sign ? -abs : abs; |
| } |
| return reduced_delta_qindex; |
| } |
| static int read_delta_lflevel(const AV1_COMMON *const cm, aom_reader *r, |
| aom_cdf_prob *const cdf, |
| const MB_MODE_INFO *const mbmi, int mi_col, |
| int mi_row, int tree_type) { |
| int reduced_delta_lflevel = 0; |
| const int plane_type = (tree_type == CHROMA_PART); |
| const BLOCK_SIZE bsize = mbmi->sb_type[plane_type]; |
| const int b_col = mi_col & (cm->seq_params.mib_size - 1); |
| const int b_row = mi_row & (cm->seq_params.mib_size - 1); |
| const int read_delta_lf_flag = (b_col == 0 && b_row == 0); |
| if ((bsize != cm->seq_params.sb_size || mbmi->skip_txfm[plane_type] == 0) && |
| read_delta_lf_flag) { |
| int abs = aom_read_symbol(r, cdf, DELTA_LF_PROBS + 1, ACCT_STR); |
| const int smallval = (abs < DELTA_LF_SMALL); |
| if (!smallval) { |
| const int rem_bits = aom_read_literal(r, 3, ACCT_STR) + 1; |
| const int thr = (1 << rem_bits) + 1; |
| abs = aom_read_literal(r, rem_bits, ACCT_STR) + thr; |
| } |
| const int sign = abs ? aom_read_bit(r, ACCT_STR) : 1; |
| reduced_delta_lflevel = sign ? -abs : abs; |
| } |
| return reduced_delta_lflevel; |
| } |
| |
| static uint8_t read_mrl_index(FRAME_CONTEXT *ec_ctx, aom_reader *r) { |
| const uint8_t mrl_index = |
| aom_read_symbol(r, ec_ctx->mrl_index_cdf, MRL_LINE_NUMBER, ACCT_STR); |
| return mrl_index; |
| } |
| |
| static uint8_t read_fsc_mode(aom_reader *r, aom_cdf_prob *fsc_cdf) { |
| const uint8_t fsc_mode = aom_read_symbol(r, fsc_cdf, FSC_MODES, ACCT_STR); |
| return fsc_mode; |
| } |
| |
| #if CONFIG_IMPROVED_CFL |
| static uint8_t read_cfl_index(FRAME_CONTEXT *ec_ctx, aom_reader *r) { |
| uint8_t cfl_index = |
| aom_read_symbol(r, ec_ctx->cfl_index_cdf, CFL_TYPE_COUNT, ACCT_STR); |
| return cfl_index; |
| } |
| #endif |
| |
| #if !CONFIG_AIMC |
| static UV_PREDICTION_MODE read_intra_mode_uv(FRAME_CONTEXT *ec_ctx, |
| aom_reader *r, |
| CFL_ALLOWED_TYPE cfl_allowed, |
| PREDICTION_MODE y_mode) { |
| const UV_PREDICTION_MODE uv_mode = |
| aom_read_symbol(r, ec_ctx->uv_mode_cdf[cfl_allowed][y_mode], |
| UV_INTRA_MODES - !cfl_allowed, ACCT_STR); |
| return uv_mode; |
| } |
| #endif // !CONFIG_AIMC |
| |
| static uint8_t read_cfl_alphas(FRAME_CONTEXT *const ec_ctx, aom_reader *r, |
| int8_t *signs_out) { |
| const int8_t joint_sign = |
| aom_read_symbol(r, ec_ctx->cfl_sign_cdf, CFL_JOINT_SIGNS, "cfl:signs"); |
| uint8_t idx = 0; |
| // Magnitudes are only coded for nonzero values |
| if (CFL_SIGN_U(joint_sign) != CFL_SIGN_ZERO) { |
| aom_cdf_prob *cdf_u = ec_ctx->cfl_alpha_cdf[CFL_CONTEXT_U(joint_sign)]; |
| idx = (uint8_t)aom_read_symbol(r, cdf_u, CFL_ALPHABET_SIZE, "cfl:alpha_u") |
| << CFL_ALPHABET_SIZE_LOG2; |
| } |
| if (CFL_SIGN_V(joint_sign) != CFL_SIGN_ZERO) { |
| aom_cdf_prob *cdf_v = ec_ctx->cfl_alpha_cdf[CFL_CONTEXT_V(joint_sign)]; |
| idx += (uint8_t)aom_read_symbol(r, cdf_v, CFL_ALPHABET_SIZE, "cfl:alpha_v"); |
| } |
| *signs_out = joint_sign; |
| return idx; |
| } |
| |
| static INTERINTRA_MODE read_interintra_mode(MACROBLOCKD *xd, aom_reader *r, |
| int size_group) { |
| const INTERINTRA_MODE ii_mode = (INTERINTRA_MODE)aom_read_symbol( |
| r, xd->tile_ctx->interintra_mode_cdf[size_group], INTERINTRA_MODES, |
| ACCT_STR); |
| return ii_mode; |
| } |
| |
| static PREDICTION_MODE read_inter_mode(FRAME_CONTEXT *ec_ctx, aom_reader *r, |
| int16_t ctx |
| #if CONFIG_WARPMV |
| , |
| const AV1_COMMON *const cm, |
| const MACROBLOCKD *xd, |
| const MB_MODE_INFO *mbmi, |
| BLOCK_SIZE bsize |
| #endif // CONFIG_WARPMV |
| ) { |
| const int16_t ismode_ctx = inter_single_mode_ctx(ctx); |
| |
| #if CONFIG_WARPMV |
| int is_warpmv = 0; |
| if (is_warpmv_mode_allowed(cm, mbmi, bsize)) { |
| const int16_t iswarpmvmode_ctx = inter_warpmv_mode_ctx(cm, xd, mbmi); |
| is_warpmv = aom_read_symbol( |
| r, ec_ctx->inter_warp_mode_cdf[iswarpmvmode_ctx], 2, ACCT_STR); |
| if (is_warpmv) { |
| return WARPMV; |
| } |
| } |
| #endif // CONFIG_WARPMV |
| |
| return SINGLE_INTER_MODE_START + |
| aom_read_symbol(r, ec_ctx->inter_single_mode_cdf[ismode_ctx], |
| INTER_SINGLE_MODES, ACCT_STR); |
| } |
| |
| static void read_drl_idx(int max_drl_bits, const int16_t mode_ctx, |
| FRAME_CONTEXT *ec_ctx, DecoderCodingBlock *dcb, |
| MB_MODE_INFO *mbmi, aom_reader *r) { |
| MACROBLOCKD *const xd = &dcb->xd; |
| uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); |
| mbmi->ref_mv_idx = 0; |
| #if !CONFIG_SKIP_MODE_ENHANCEMENT |
| assert(!mbmi->skip_mode); |
| #endif // CONFIG_SKIP_MODE_ENHANCEMENT |
| for (int idx = 0; idx < max_drl_bits; ++idx) { |
| aom_cdf_prob *drl_cdf = |
| #if CONFIG_SKIP_MODE_DRL_WITH_REF_IDX |
| mbmi->skip_mode ? ec_ctx->skip_drl_cdf[AOMMIN(idx, 2)] |
| : av1_get_drl_cdf(ec_ctx, xd->weight[ref_frame_type], |
| mode_ctx, idx); |
| #else |
| av1_get_drl_cdf(ec_ctx, xd->weight[ref_frame_type], mode_ctx, idx); |
| #endif // CONFIG_SKIP_MODE_DRL_WITH_REF_IDX |
| int drl_idx = aom_read_symbol(r, drl_cdf, 2, ACCT_STR); |
| mbmi->ref_mv_idx = idx + drl_idx; |
| if (!drl_idx) break; |
| } |
| assert(mbmi->ref_mv_idx < max_drl_bits + 1); |
| } |
| |
| #if CONFIG_WEDGE_MOD_EXT |
| static int8_t read_wedge_mode(aom_reader *r, FRAME_CONTEXT *ec_ctx, |
| const BLOCK_SIZE bsize) { |
| int wedge_angle_dir = |
| aom_read_symbol(r, ec_ctx->wedge_angle_dir_cdf[bsize], 2, ACCT_STR); |
| int wedge_angle = WEDGE_ANGLES; |
| if (wedge_angle_dir == 0) { |
| wedge_angle = aom_read_symbol(r, ec_ctx->wedge_angle_0_cdf[bsize], |
| H_WEDGE_ANGLES, ACCT_STR); |
| } else { |
| wedge_angle = |
| H_WEDGE_ANGLES + aom_read_symbol(r, ec_ctx->wedge_angle_1_cdf[bsize], |
| H_WEDGE_ANGLES, ACCT_STR); |
| } |
| int wedge_dist = 0; |
| if ((wedge_angle >= H_WEDGE_ANGLES) || |
| (wedge_angle == WEDGE_90 || wedge_angle == WEDGE_180)) { |
| wedge_dist = aom_read_symbol(r, ec_ctx->wedge_dist_cdf2[bsize], |
| NUM_WEDGE_DIST - 1, ACCT_STR) + |
| 1; |
| } else { |
| assert(wedge_angle < H_WEDGE_ANGLES); |
| wedge_dist = aom_read_symbol(r, ec_ctx->wedge_dist_cdf[bsize], |
| NUM_WEDGE_DIST, ACCT_STR); |
| } |
| return wedge_angle_dist_2_index[wedge_angle][wedge_dist]; |
| } |
| #endif // CONFIG_WEDGE_MOD_EXT |
| |
| #if CONFIG_EXTENDED_WARP_PREDICTION |
| #if CONFIG_WARP_REF_LIST |
| // read the reference index warp_ref_idx of WRL |
| static void read_warp_ref_idx(FRAME_CONTEXT *ec_ctx, MB_MODE_INFO *mbmi, |
| aom_reader *r) { |
| if (mbmi->max_num_warp_candidates <= 1) { |
| mbmi->warp_ref_idx = 0; |
| return; |
| } |
| int max_idx_bits = mbmi->max_num_warp_candidates - 1; |
| for (int bit_idx = 0; bit_idx < max_idx_bits; ++bit_idx) { |
| aom_cdf_prob *warp_ref_idx_cdf = av1_get_warp_ref_idx_cdf(ec_ctx, bit_idx); |
| int warp_idx = aom_read_symbol(r, warp_ref_idx_cdf, 2, ACCT_STR); |
| mbmi->warp_ref_idx = bit_idx + warp_idx; |
| if (!warp_idx) break; |
| } |
| } |
| #endif // CONFIG_WARP_REF_LIST |
| // Read the delta for a single warp parameter |
| // Each delta is coded as a symbol in the range |
| // -WARP_DELTA_CODED_MAX, ..., 0, ..., +WARP_DELTA_CODED_MAX |
| static int read_warp_delta_param(const MACROBLOCKD *xd, int index, |
| aom_reader *r) { |
| assert(2 <= index && index <= 5); |
| int index_type = (index == 2 || index == 5) ? 0 : 1; |
| |
| int coded_value = |
| aom_read_symbol(r, xd->tile_ctx->warp_delta_param_cdf[index_type], |
| WARP_DELTA_NUM_SYMBOLS, ACCT_STR); |
| |
| return (coded_value - WARP_DELTA_CODED_MAX) * WARP_DELTA_STEP; |
| } |
| |
| static void read_warp_delta(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| MB_MODE_INFO *mbmi, aom_reader *r |
| #if CONFIG_WARP_REF_LIST |
| , |
| WARP_CANDIDATE *warp_param_stack |
| #endif // CONFIG_WARP_REF_LIST |
| |
| ) { |
| WarpedMotionParams *params = &mbmi->wm_params[0]; |
| int mi_row = xd->mi_row; |
| int mi_col = xd->mi_col; |
| const BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; |
| |
| #if CONFIG_WARP_REF_LIST && !CONFIG_WARPMV |
| read_warp_ref_idx(xd->tile_ctx, mbmi, r); |
| #endif // CONFIG_WARP_REF_LIST && !CONFIG_WARPMV |
| |
| // Figure out what parameters to use as a base |
| WarpedMotionParams base_params; |
| int_mv center_mv; |
| av1_get_warp_base_params(cm, |
| #if !CONFIG_WARP_REF_LIST |
| xd, |
| #endif //! CONFIG_WARP_REF_LIST |
| mbmi, |
| #if !CONFIG_WARP_REF_LIST |
| xd->ref_mv_stack[mbmi->ref_frame[0]], |
| #endif //! CONFIG_WARP_REF_LIST |
| &base_params, ¢er_mv |
| #if CONFIG_WARP_REF_LIST |
| , |
| warp_param_stack |
| #endif // CONFIG_WARP_REF_LIST |
| ); |
| |
| // TODO(rachelbarker): Allow signaling warp type? |
| #if CONFIG_WARP_REF_LIST |
| if (allow_warp_parameter_signaling(mbmi)) { |
| #endif // CONFIG_WARP_REF_LIST |
| params->wmtype = ROTZOOM; |
| params->wmmat[2] = base_params.wmmat[2] + read_warp_delta_param(xd, 2, r); |
| params->wmmat[3] = base_params.wmmat[3] + read_warp_delta_param(xd, 3, r); |
| params->wmmat[4] = -params->wmmat[3]; |
| params->wmmat[5] = params->wmmat[2]; |
| #if CONFIG_WARP_REF_LIST |
| } else { |
| *params = base_params; |
| } |
| #endif // CONFIG_WARP_REF_LIST |
| |
| av1_reduce_warp_model(params); |
| int valid = av1_get_shear_params(params); |
| params->invalid = !valid; |
| if (!valid) { |
| #if WARPED_MOTION_DEBUG |
| printf("Warning: unexpected WARP_DELTA model from aomenc\n"); |
| #endif |
| return; |
| } |
| |
| av1_set_warp_translation(mi_row, mi_col, bsize, center_mv.as_mv, params); |
| #if CONFIG_C071_SUBBLK_WARPMV |
| assign_warpmv(cm, xd->submi, bsize, params, mi_row, mi_col); |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| } |
| |
| static MOTION_MODE read_motion_mode(AV1_COMMON *cm, MACROBLOCKD *xd, |
| MB_MODE_INFO *mbmi, aom_reader *r) { |
| const BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; |
| #if CONFIG_WARP_REF_LIST |
| mbmi->max_num_warp_candidates = 0; |
| #endif // CONFIG_WARP_REF_LIST |
| const RefCntBuffer *const refbuf = get_ref_frame_buf(cm, mbmi->ref_frame[0]); |
| const int allowed_motion_modes = |
| motion_mode_allowed(cm, xd, xd->ref_mv_stack[mbmi->ref_frame[0]], mbmi, |
| refbuf ? refbuf->base_qindex : -1); |
| |
| #if CONFIG_WARPMV |
| if (mbmi->mode == WARPMV) { |
| if (allowed_motion_modes & (1 << WARPED_CAUSAL)) { |
| int use_warped_causal = aom_read_symbol( |
| r, xd->tile_ctx->warped_causal_warpmv_cdf[bsize], 2, ACCT_STR); |
| if (use_warped_causal) return WARPED_CAUSAL; |
| } |
| #if CONFIG_INTERINTRA_WARP |
| if (allowed_motion_modes & (1 << WARPED_CAUSAL_INTERINTRA)) { |
| int use_warped_causal_interintra = aom_read_symbol( |
| r, xd->tile_ctx->warped_causal_interintra_warpmv_cdf[bsize], 2, |
| ACCT_STR); |
| if (use_warped_causal_interintra) return WARPED_CAUSAL_INTERINTRA; |
| } |
| #endif // CONFIG_INTERINTRA_WARP |
| return WARP_DELTA; |
| } |
| #endif // CONFIG_WARPMV |
| |
| mbmi->use_wedge_interintra = 0; |
| if (allowed_motion_modes & (1 << INTERINTRA)) { |
| const int bsize_group = size_group_lookup[bsize]; |
| const int use_interintra = aom_read_symbol( |
| r, xd->tile_ctx->interintra_cdf[bsize_group], 2, ACCT_STR); |
| assert(mbmi->ref_frame[1] == NONE_FRAME); |
| if (use_interintra) { |
| const INTERINTRA_MODE interintra_mode = |
| read_interintra_mode(xd, r, bsize_group); |
| mbmi->ref_frame[1] = INTRA_FRAME; |
| mbmi->interintra_mode = interintra_mode; |
| mbmi->angle_delta[PLANE_TYPE_Y] = 0; |
| mbmi->angle_delta[PLANE_TYPE_UV] = 0; |
| mbmi->filter_intra_mode_info.use_filter_intra = 0; |
| if (av1_is_wedge_used(bsize)) { |
| mbmi->use_wedge_interintra = aom_read_symbol( |
| r, xd->tile_ctx->wedge_interintra_cdf[bsize], 2, ACCT_STR); |
| if (mbmi->use_wedge_interintra) { |
| #if CONFIG_WEDGE_MOD_EXT |
| mbmi->interintra_wedge_index = |
| read_wedge_mode(r, xd->tile_ctx, bsize); |
| assert(mbmi->interintra_wedge_index != -1); |
| #else |
| mbmi->interintra_wedge_index = (int8_t)aom_read_symbol( |
| r, xd->tile_ctx->wedge_idx_cdf[bsize], MAX_WEDGE_TYPES, ACCT_STR); |
| #endif |
| } |
| } |
| return INTERINTRA; |
| } |
| } |
| |
| if (allowed_motion_modes & (1 << OBMC_CAUSAL)) { |
| int use_obmc = |
| aom_read_symbol(r, xd->tile_ctx->obmc_cdf[bsize], 2, ACCT_STR); |
| if (use_obmc) { |
| return OBMC_CAUSAL; |
| } |
| } |
| |
| if (allowed_motion_modes & (1 << WARP_EXTEND)) { |
| const int ctx1 = av1_get_warp_extend_ctx1(xd, mbmi); |
| const int ctx2 = av1_get_warp_extend_ctx2(xd, mbmi); |
| int use_warp_extend = aom_read_symbol( |
| r, xd->tile_ctx->warp_extend_cdf[ctx1][ctx2], 2, ACCT_STR); |
| if (use_warp_extend) { |
| return WARP_EXTEND; |
| } |
| } |
| |
| if (allowed_motion_modes & (1 << WARPED_CAUSAL)) { |
| int use_warped_causal = |
| aom_read_symbol(r, xd->tile_ctx->warped_causal_cdf[bsize], 2, ACCT_STR); |
| if (use_warped_causal) return WARPED_CAUSAL; |
| } |
| #if CONFIG_INTERINTRA_WARP |
| if (allowed_motion_modes & (1 << WARPED_CAUSAL_INTERINTRA)) { |
| int use_warped_causal_interintra = aom_read_symbol( |
| r, xd->tile_ctx->warped_causal_interintra_cdf[bsize], 2, ACCT_STR); |
| if (use_warped_causal_interintra) return WARPED_CAUSAL_INTERINTRA; |
| } |
| #endif // CONFIG_INTERINTRA_WARP |
| |
| if (allowed_motion_modes & (1 << WARP_DELTA)) { |
| int use_warp_delta = |
| aom_read_symbol(r, xd->tile_ctx->warp_delta_cdf[bsize], 2, ACCT_STR); |
| if (use_warp_delta) { |
| mbmi->motion_mode = WARP_DELTA; |
| #if !CONFIG_WARPMV |
| #if CONFIG_WARP_REF_LIST |
| WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES]; |
| mbmi->max_num_warp_candidates = |
| (mbmi->mode == GLOBALMV || mbmi->mode == NEARMV) |
| ? 1 |
| : MAX_WARP_REF_CANDIDATES; |
| |
| av1_find_warp_delta_base_candidates( |
| xd, mbmi, warp_param_stack, |
| xd->warp_param_stack[av1_ref_frame_type(mbmi->ref_frame)], |
| xd->valid_num_warp_candidates[av1_ref_frame_type(mbmi->ref_frame)], |
| NULL); |
| #endif // CONFIG_WARP_REF_LIST |
| |
| read_warp_delta(cm, xd, mbmi, r |
| #if CONFIG_WARP_REF_LIST |
| , |
| warp_param_stack |
| #endif // CONFIG_WARP_REF_LIST |
| ); |
| #endif // !CONFIG_WARPMV |
| return WARP_DELTA; |
| } |
| } |
| |
| return SIMPLE_TRANSLATION; |
| } |
| #else |
| static MOTION_MODE read_motion_mode(AV1_COMMON *cm, MACROBLOCKD *xd, |
| MB_MODE_INFO *mbmi, aom_reader *r) { |
| if (mbmi->skip_mode) return SIMPLE_TRANSLATION; |
| #if CONFIG_TIP |
| if (is_tip_ref_frame(mbmi->ref_frame[0])) return SIMPLE_TRANSLATION; |
| #endif // CONFIG_TIP |
| |
| const MOTION_MODE last_motion_mode_allowed = |
| motion_mode_allowed(cm, xd, mbmi); |
| int motion_mode; |
| |
| if (last_motion_mode_allowed == SIMPLE_TRANSLATION) return SIMPLE_TRANSLATION; |
| |
| if (last_motion_mode_allowed == OBMC_CAUSAL) { |
| motion_mode = aom_read_symbol( |
| r, xd->tile_ctx->obmc_cdf[mbmi->sb_type[PLANE_TYPE_Y]], 2, ACCT_STR); |
| return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); |
| } else { |
| motion_mode = aom_read_symbol( |
| r, xd->tile_ctx->motion_mode_cdf[mbmi->sb_type[PLANE_TYPE_Y]], |
| MOTION_MODES, ACCT_STR); |
| return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); |
| } |
| } |
| #endif // CONFIG_EXTENDED_WARP_PREDICTION |
| |
| #if CONFIG_IMPROVED_JMVD && CONFIG_JOINT_MVD |
| // Read scale mode flag for joint mvd coding mode |
| static PREDICTION_MODE read_jmvd_scale_mode(MACROBLOCKD *xd, aom_reader *r, |
| MB_MODE_INFO *const mbmi) { |
| if (!is_joint_mvd_coding_mode(mbmi->mode)) return 0; |
| #if CONFIG_ADAPTIVE_MVD |
| const int is_joint_amvd_mode = is_joint_amvd_coding_mode(mbmi->mode); |
| aom_cdf_prob *jmvd_scale_mode_cdf = |
| is_joint_amvd_mode ? xd->tile_ctx->jmvd_amvd_scale_mode_cdf |
| : xd->tile_ctx->jmvd_scale_mode_cdf; |
| const int jmvd_scale_cnt = is_joint_amvd_mode ? JOINT_AMVD_SCALE_FACTOR_CNT |
| : JOINT_NEWMV_SCALE_FACTOR_CNT; |
| const int jmvd_scale_mode = |
| aom_read_symbol(r, jmvd_scale_mode_cdf, jmvd_scale_cnt, ACCT_STR); |
| #else |
| const int jmvd_scale_mode = |
| aom_read_symbol(r, xd->tile_ctx->jmvd_scale_mode_cdf, |
| JOINT_NEWMV_SCALE_FACTOR_CNT, ACCT_STR); |
| #endif // CONFIG_ADAPTIVE_MVD |
| return jmvd_scale_mode; |
| } |
| #endif // CONFIG_IMPROVED_JMVD && CONFIG_JOINT_MVD |
| |
| static PREDICTION_MODE read_inter_compound_mode(MACROBLOCKD *xd, aom_reader *r, |
| #if CONFIG_OPTFLOW_REFINEMENT |
| const AV1_COMMON *cm, |
| MB_MODE_INFO *const mbmi, |
| #endif // CONFIG_OPTFLOW_REFINEMNET |
| int16_t ctx) { |
| #if CONFIG_OPTFLOW_REFINEMENT |
| int use_optical_flow = 0; |
| if (cm->features.opfl_refine_type == REFINE_SWITCHABLE && |
| is_opfl_refine_allowed(cm, mbmi)) { |
| use_optical_flow = |
| aom_read_symbol(r, xd->tile_ctx->use_optflow_cdf[ctx], 2, ACCT_STR); |
| } |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| const int mode = |
| #if CONFIG_OPTFLOW_REFINEMENT |
| aom_read_symbol(r, xd->tile_ctx->inter_compound_mode_cdf[ctx], |
| INTER_COMPOUND_REF_TYPES, ACCT_STR); |
| #else |
| aom_read_symbol(r, xd->tile_ctx->inter_compound_mode_cdf[ctx], |
| INTER_COMPOUND_MODES, ACCT_STR); |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| #if CONFIG_OPTFLOW_REFINEMENT |
| if (use_optical_flow) { |
| assert(is_inter_compound_mode(comp_idx_to_opfl_mode[mode])); |
| return comp_idx_to_opfl_mode[mode]; |
| } |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| assert(is_inter_compound_mode(NEAR_NEARMV + mode)); |
| return NEAR_NEARMV + mode; |
| } |
| |
| int av1_neg_deinterleave(int diff, int ref, int max) { |
| if (!ref) return diff; |
| if (ref >= (max - 1)) return max - diff - 1; |
| if (2 * ref < max) { |
| if (diff <= 2 * ref) { |
| if (diff & 1) |
| return ref + ((diff + 1) >> 1); |
| else |
| return ref - (diff >> 1); |
| } |
| return diff; |
| } else { |
| if (diff <= 2 * (max - ref - 1)) { |
| if (diff & 1) |
| return ref + ((diff + 1) >> 1); |
| else |
| return ref - (diff >> 1); |
| } |
| return max - (diff + 1); |
| } |
| } |
| |
| static int read_segment_id(AV1_COMMON *const cm, const MACROBLOCKD *const xd, |
| aom_reader *r, int skip) { |
| int cdf_num; |
| const int pred = av1_get_spatial_seg_pred(cm, xd, &cdf_num); |
| if (skip) return pred; |
| |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| struct segmentation *const seg = &cm->seg; |
| struct segmentation_probs *const segp = &ec_ctx->seg; |
| aom_cdf_prob *pred_cdf = segp->spatial_pred_seg_cdf[cdf_num]; |
| const int coded_id = aom_read_symbol(r, pred_cdf, MAX_SEGMENTS, ACCT_STR); |
| const int segment_id = |
| av1_neg_deinterleave(coded_id, pred, seg->last_active_segid + 1); |
| |
| if (segment_id < 0 || segment_id > seg->last_active_segid) { |
| aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, |
| "Corrupted segment_ids"); |
| } |
| return segment_id; |
| } |
| |
| static int dec_get_segment_id(const AV1_COMMON *cm, const uint8_t *segment_ids, |
| int mi_offset, int x_inside_boundary, |
| int y_inside_boundary) { |
| int segment_id = INT_MAX; |
| |
| for (int y = 0; y < y_inside_boundary; y++) |
| for (int x = 0; x < x_inside_boundary; x++) |
| segment_id = AOMMIN( |
| segment_id, segment_ids[mi_offset + y * cm->mi_params.mi_cols + x]); |
| |
| assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); |
| return segment_id; |
| } |
| |
| static void set_segment_id(AV1_COMMON *cm, int mi_offset, int x_inside_boundary, |
| int y_inside_boundary, int segment_id) { |
| assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); |
| |
| for (int y = 0; y < y_inside_boundary; y++) |
| for (int x = 0; x < x_inside_boundary; x++) |
| cm->cur_frame->seg_map[mi_offset + y * cm->mi_params.mi_cols + x] = |
| segment_id; |
| } |
| |
| static int read_intra_segment_id(AV1_COMMON *const cm, |
| const MACROBLOCKD *const xd, int bsize, |
| aom_reader *r, int skip) { |
| struct segmentation *const seg = &cm->seg; |
| if (!seg->enabled) return 0; // Default for disabled segmentation |
| assert(seg->update_map && !seg->temporal_update); |
| |
| const CommonModeInfoParams *const mi_params = &cm->mi_params; |
| const int mi_row = xd->mi_row; |
| const int mi_col = xd->mi_col; |
| const int mi_offset = mi_row * mi_params->mi_cols + mi_col; |
| const int bw = mi_size_wide[bsize]; |
| const int bh = mi_size_high[bsize]; |
| const int x_inside_boundary = AOMMIN(mi_params->mi_cols - mi_col, bw); |
| const int y_inside_boundary = AOMMIN(mi_params->mi_rows - mi_row, bh); |
| const int segment_id = read_segment_id(cm, xd, r, skip); |
| set_segment_id(cm, mi_offset, x_inside_boundary, y_inside_boundary, |
| segment_id); |
| return segment_id; |
| } |
| |
| static void copy_segment_id(const CommonModeInfoParams *const mi_params, |
| const uint8_t *last_segment_ids, |
| uint8_t *current_segment_ids, int mi_offset, |
| int x_inside_boundary, int y_inside_boundary) { |
| for (int y = 0; y < y_inside_boundary; y++) |
| for (int x = 0; x < x_inside_boundary; x++) |
| current_segment_ids[mi_offset + y * mi_params->mi_cols + x] = |
| last_segment_ids |
| ? last_segment_ids[mi_offset + y * mi_params->mi_cols + x] |
| : 0; |
| } |
| |
| static int get_predicted_segment_id(AV1_COMMON *const cm, int mi_offset, |
| int x_inside_boundary, |
| int y_inside_boundary) { |
| return cm->last_frame_seg_map |
| ? dec_get_segment_id(cm, cm->last_frame_seg_map, mi_offset, |
| x_inside_boundary, y_inside_boundary) |
| : 0; |
| } |
| |
| static int read_inter_segment_id(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
| int preskip, aom_reader *r) { |
| struct segmentation *const seg = &cm->seg; |
| const CommonModeInfoParams *const mi_params = &cm->mi_params; |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| const int mi_row = xd->mi_row; |
| const int mi_col = xd->mi_col; |
| const int mi_offset = mi_row * mi_params->mi_cols + mi_col; |
| const int bw = mi_size_wide[mbmi->sb_type[PLANE_TYPE_Y]]; |
| const int bh = mi_size_high[mbmi->sb_type[PLANE_TYPE_Y]]; |
| |
| // TODO(slavarnway): move x_inside_boundary, y_inside_boundary into xd ????? |
| const int x_inside_boundary = AOMMIN(mi_params->mi_cols - mi_col, bw); |
| const int y_inside_boundary = AOMMIN(mi_params->mi_rows - mi_row, bh); |
| |
| if (!seg->enabled) return 0; // Default for disabled segmentation |
| |
| if (!seg->update_map) { |
| copy_segment_id(mi_params, cm->last_frame_seg_map, cm->cur_frame->seg_map, |
| mi_offset, x_inside_boundary, y_inside_boundary); |
| return get_predicted_segment_id(cm, mi_offset, x_inside_boundary, |
| y_inside_boundary); |
| } |
| |
| int segment_id; |
| if (preskip) { |
| if (!seg->segid_preskip) return 0; |
| } else { |
| if (mbmi->skip_txfm[xd->tree_type == CHROMA_PART]) { |
| if (seg->temporal_update) { |
| mbmi->seg_id_predicted = 0; |
| } |
| segment_id = read_segment_id(cm, xd, r, 1); |
| set_segment_id(cm, mi_offset, x_inside_boundary, y_inside_boundary, |
| segment_id); |
| return segment_id; |
| } |
| } |
| |
| if (seg->temporal_update) { |
| const int ctx = av1_get_pred_context_seg_id(xd); |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| struct segmentation_probs *const segp = &ec_ctx->seg; |
| aom_cdf_prob *pred_cdf = segp->pred_cdf[ctx]; |
| mbmi->seg_id_predicted = aom_read_symbol(r, pred_cdf, 2, ACCT_STR); |
| if (mbmi->seg_id_predicted) { |
| segment_id = get_predicted_segment_id(cm, mi_offset, x_inside_boundary, |
| y_inside_boundary); |
| } else { |
| segment_id = read_segment_id(cm, xd, r, 0); |
| } |
| } else { |
| segment_id = read_segment_id(cm, xd, r, 0); |
| } |
| set_segment_id(cm, mi_offset, x_inside_boundary, y_inside_boundary, |
| segment_id); |
| return segment_id; |
| } |
| |
| static int read_skip_mode(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, |
| aom_reader *r) { |
| if (!cm->current_frame.skip_mode_info.skip_mode_flag) return 0; |
| |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { |
| return 0; |
| } |
| if (!is_comp_ref_allowed(xd->mi[0]->sb_type[xd->tree_type == CHROMA_PART])) |
| return 0; |
| |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { |
| // These features imply single-reference mode, while skip mode implies |
| // compound reference. Hence, the two are mutually exclusive. |
| // In other words, skip_mode is implicitly 0 here. |
| return 0; |
| } |
| |
| const int ctx = av1_get_skip_mode_context(xd); |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| const int skip_mode = |
| aom_read_symbol(r, ec_ctx->skip_mode_cdfs[ctx], 2, ACCT_STR); |
| return skip_mode; |
| } |
| |
| static int read_skip_txfm(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, |
| aom_reader *r) { |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { |
| return 1; |
| } else { |
| const int ctx = av1_get_skip_txfm_context(xd); |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| const int skip_txfm = |
| aom_read_symbol(r, ec_ctx->skip_txfm_cdfs[ctx], 2, ACCT_STR); |
| return skip_txfm; |
| } |
| } |
| |
| #if !CONFIG_INDEP_PALETTE_PARSING |
| // Merge the sorted list of cached colors(cached_colors[0...n_cached_colors-1]) |
| // and the sorted list of transmitted colors(colors[n_cached_colors...n-1]) into |
| // one single sorted list(colors[...]). |
| static void merge_colors(uint16_t *colors, uint16_t *cached_colors, |
| int n_colors, int n_cached_colors) { |
| if (n_cached_colors == 0) return; |
| int cache_idx = 0, trans_idx = n_cached_colors; |
| for (int i = 0; i < n_colors; ++i) { |
| if (cache_idx < n_cached_colors && |
| (trans_idx >= n_colors || |
| cached_colors[cache_idx] <= colors[trans_idx])) { |
| colors[i] = cached_colors[cache_idx++]; |
| } else { |
| assert(trans_idx < n_colors); |
| colors[i] = colors[trans_idx++]; |
| } |
| } |
| } |
| #endif //! CONFIG_INDEP_PALETTE_PARSING |
| |
| static void read_palette_colors_y(MACROBLOCKD *const xd, int bit_depth, |
| PALETTE_MODE_INFO *const pmi, aom_reader *r) { |
| #if CONFIG_INDEP_PALETTE_PARSING |
| uint16_t color_cache[2 * PALETTE_MAX_SIZE]; |
| const int n_cache = av1_get_palette_cache(xd, 0, color_cache); |
| const int n = pmi->palette_size[0]; |
| int idx = 0; |
| for (int i = 0; i < n_cache && idx < n; ++i) { |
| if (aom_read_bit(r, ACCT_STR)) pmi->palette_colors[idx++] = color_cache[i]; |
| } |
| if (idx < n) { |
| pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR); |
| if (idx < n) { |
| const int min_bits = bit_depth - 3; |
| int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); |
| int range = (1 << bit_depth) - pmi->palette_colors[idx - 1] - 1; |
| for (; idx < n; ++idx) { |
| assert(range >= 0); |
| const int delta = aom_read_literal(r, bits, ACCT_STR) + 1; |
| pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, |
| 0, (1 << bit_depth) - 1); |
| range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); |
| bits = AOMMIN(bits, av1_ceil_log2(range)); |
| } |
| } |
| } |
| // Sort Y palette |
| for (int i = 0; i < n; i++) { |
| for (int j = 1; j < n - i; j++) { |
| if (pmi->palette_colors[j - 1] > pmi->palette_colors[j]) { |
| const uint16_t tmp = pmi->palette_colors[j - 1]; |
| pmi->palette_colors[j - 1] = pmi->palette_colors[j]; |
| pmi->palette_colors[j] = tmp; |
| } |
| } |
| } |
| #else |
| uint16_t color_cache[2 * PALETTE_MAX_SIZE]; |
| uint16_t cached_colors[PALETTE_MAX_SIZE]; |
| const int n_cache = av1_get_palette_cache(xd, 0, color_cache); |
| const int n = pmi->palette_size[0]; |
| int idx = 0; |
| for (int i = 0; i < n_cache && idx < n; ++i) |
| if (aom_read_bit(r, ACCT_STR)) cached_colors[idx++] = color_cache[i]; |
| if (idx < n) { |
| const int n_cached_colors = idx; |
| pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR); |
| if (idx < n) { |
| const int min_bits = bit_depth - 3; |
| int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); |
| int range = (1 << bit_depth) - pmi->palette_colors[idx - 1] - 1; |
| for (; idx < n; ++idx) { |
| assert(range >= 0); |
| const int delta = aom_read_literal(r, bits, ACCT_STR) + 1; |
| pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, |
| 0, (1 << bit_depth) - 1); |
| range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); |
| bits = AOMMIN(bits, av1_ceil_log2(range)); |
| } |
| } |
| merge_colors(pmi->palette_colors, cached_colors, n, n_cached_colors); |
| } else { |
| memcpy(pmi->palette_colors, cached_colors, n * sizeof(cached_colors[0])); |
| } |
| #endif // CONFIG_INDEP_PALETTE_PARSING |
| } |
| |
| static void read_palette_colors_uv(MACROBLOCKD *const xd, int bit_depth, |
| PALETTE_MODE_INFO *const pmi, |
| aom_reader *r) { |
| #if CONFIG_INDEP_PALETTE_PARSING |
| const int n = pmi->palette_size[1]; |
| // U channel colors. |
| uint16_t color_cache[2 * PALETTE_MAX_SIZE]; |
| const int n_cache = av1_get_palette_cache(xd, 1, color_cache); |
| int idx = PALETTE_MAX_SIZE; |
| for (int i = 0; i < n_cache && idx < PALETTE_MAX_SIZE + n; ++i) |
| if (aom_read_bit(r, ACCT_STR)) pmi->palette_colors[idx++] = color_cache[i]; |
| if (idx < PALETTE_MAX_SIZE + n) { |
| pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR); |
| if (idx < PALETTE_MAX_SIZE + n) { |
| const int min_bits = bit_depth - 3; |
| int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); |
| int range = (1 << bit_depth) - pmi->palette_colors[idx - 1]; |
| for (; idx < PALETTE_MAX_SIZE + n; ++idx) { |
| assert(range >= 0); |
| const int delta = aom_read_literal(r, bits, ACCT_STR); |
| pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, |
| 0, (1 << bit_depth) - 1); |
| range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); |
| bits = AOMMIN(bits, av1_ceil_log2(range)); |
| } |
| } |
| } |
| // Sort U palette |
| for (int i = 0; i < n; i++) { |
| for (int j = 1; j < n - i; j++) { |
| if (pmi->palette_colors[PALETTE_MAX_SIZE + j - 1] > |
| pmi->palette_colors[PALETTE_MAX_SIZE + j]) { |
| const uint16_t tmp = pmi->palette_colors[PALETTE_MAX_SIZE + j - 1]; |
| pmi->palette_colors[PALETTE_MAX_SIZE + j - 1] = |
| pmi->palette_colors[PALETTE_MAX_SIZE + j]; |
| pmi->palette_colors[PALETTE_MAX_SIZE + j] = tmp; |
| } |
| } |
| } |
| #else |
| const int n = pmi->palette_size[1]; |
| // U channel colors. |
| uint16_t color_cache[2 * PALETTE_MAX_SIZE]; |
| uint16_t cached_colors[PALETTE_MAX_SIZE]; |
| const int n_cache = av1_get_palette_cache(xd, 1, color_cache); |
| int idx = 0; |
| for (int i = 0; i < n_cache && idx < n; ++i) |
| if (aom_read_bit(r, ACCT_STR)) cached_colors[idx++] = color_cache[i]; |
| if (idx < n) { |
| const int n_cached_colors = idx; |
| idx += PALETTE_MAX_SIZE; |
| pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR); |
| if (idx < PALETTE_MAX_SIZE + n) { |
| const int min_bits = bit_depth - 3; |
| int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); |
| int range = (1 << bit_depth) - pmi->palette_colors[idx - 1]; |
| for (; idx < PALETTE_MAX_SIZE + n; ++idx) { |
| assert(range >= 0); |
| const int delta = aom_read_literal(r, bits, ACCT_STR); |
| pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, |
| 0, (1 << bit_depth) - 1); |
| range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); |
| bits = AOMMIN(bits, av1_ceil_log2(range)); |
| } |
| } |
| merge_colors(pmi->palette_colors + PALETTE_MAX_SIZE, cached_colors, n, |
| n_cached_colors); |
| } else { |
| memcpy(pmi->palette_colors + PALETTE_MAX_SIZE, cached_colors, |
| n * sizeof(cached_colors[0])); |
| } |
| #endif // CONFIG_INDEP_PALETTE_PARSING |
| // V channel colors. |
| if (aom_read_bit(r, ACCT_STR)) { // Delta encoding. |
| const int min_bits_v = bit_depth - 4; |
| const int max_val = 1 << bit_depth; |
| int bits = min_bits_v + aom_read_literal(r, 2, ACCT_STR); |
| pmi->palette_colors[2 * PALETTE_MAX_SIZE] = |
| aom_read_literal(r, bit_depth, ACCT_STR); |
| for (int i = 1; i < n; ++i) { |
| int delta = aom_read_literal(r, bits, ACCT_STR); |
| if (delta && aom_read_bit(r, ACCT_STR)) delta = -delta; |
| int val = (int)pmi->palette_colors[2 * PALETTE_MAX_SIZE + i - 1] + delta; |
| if (val < 0) val += max_val; |
| if (val >= max_val) val -= max_val; |
| pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = val; |
| } |
| } else { |
| for (int i = 0; i < n; ++i) { |
| pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = |
| aom_read_literal(r, bit_depth, ACCT_STR); |
| } |
| } |
| } |
| |
| static void read_palette_mode_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
| aom_reader *r) { |
| const int num_planes = av1_num_planes(cm); |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| const BLOCK_SIZE bsize = mbmi->sb_type[xd->tree_type == CHROMA_PART]; |
| assert(av1_allow_palette(cm->features.allow_screen_content_tools, bsize)); |
| PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info; |
| const int bsize_ctx = av1_get_palette_bsize_ctx(bsize); |
| if (mbmi->mode == DC_PRED && xd->tree_type != CHROMA_PART) { |
| const int palette_mode_ctx = av1_get_palette_mode_ctx(xd); |
| const int modev = aom_read_symbol( |
| r, xd->tile_ctx->palette_y_mode_cdf[bsize_ctx][palette_mode_ctx], 2, |
| ACCT_STR); |
| if (modev) { |
| pmi->palette_size[0] = |
| aom_read_symbol(r, xd->tile_ctx->palette_y_size_cdf[bsize_ctx], |
| PALETTE_SIZES, ACCT_STR) + |
| 2; |
| read_palette_colors_y(xd, cm->seq_params.bit_depth, pmi, r); |
| } |
| } |
| if (num_planes > 1 && xd->tree_type != LUMA_PART && |
| mbmi->uv_mode == UV_DC_PRED && xd->is_chroma_ref) { |
| const int palette_uv_mode_ctx = (pmi->palette_size[0] > 0); |
| const int modev = aom_read_symbol( |
| r, xd->tile_ctx->palette_uv_mode_cdf[palette_uv_mode_ctx], 2, ACCT_STR); |
| if (modev) { |
| pmi->palette_size[1] = |
| aom_read_symbol(r, xd->tile_ctx->palette_uv_size_cdf[bsize_ctx], |
| PALETTE_SIZES, ACCT_STR) + |
| 2; |
| read_palette_colors_uv(xd, cm->seq_params.bit_depth, pmi, r); |
| } |
| } |
| } |
| |
| #if !CONFIG_AIMC |
| static int read_angle_delta(aom_reader *r, aom_cdf_prob *cdf) { |
| const int sym = aom_read_symbol(r, cdf, 2 * MAX_ANGLE_DELTA + 1, ACCT_STR); |
| return sym - MAX_ANGLE_DELTA; |
| } |
| #endif // !CONFIG_AIMC |
| |
| static void read_filter_intra_mode_info(const AV1_COMMON *const cm, |
| MACROBLOCKD *const xd, aom_reader *r) { |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| FILTER_INTRA_MODE_INFO *filter_intra_mode_info = |
| &mbmi->filter_intra_mode_info; |
| if (av1_filter_intra_allowed(cm, mbmi) && xd->tree_type != CHROMA_PART) { |
| filter_intra_mode_info->use_filter_intra = aom_read_symbol( |
| r, xd->tile_ctx->filter_intra_cdfs[mbmi->sb_type[PLANE_TYPE_Y]], 2, |
| ACCT_STR); |
| if (filter_intra_mode_info->use_filter_intra) { |
| filter_intra_mode_info->filter_intra_mode = aom_read_symbol( |
| r, xd->tile_ctx->filter_intra_mode_cdf, FILTER_INTRA_MODES, ACCT_STR); |
| } |
| } else { |
| filter_intra_mode_info->use_filter_intra = 0; |
| } |
| } |
| |
| void av1_read_tx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, int blk_row, |
| int blk_col, TX_SIZE tx_size, aom_reader *r) { |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| TX_TYPE *tx_type = |
| &xd->tx_type_map[blk_row * xd->tx_type_map_stride + blk_col]; |
| *tx_type = DCT_DCT; |
| |
| // No need to read transform type if block is skipped. |
| if (mbmi->skip_txfm[xd->tree_type == CHROMA_PART] || |
| segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) |
| return; |
| |
| // No need to read transform type for lossless mode(qindex==0). |
| const int qindex = xd->qindex[mbmi->segment_id]; |
| if (qindex == 0) return; |
| const int inter_block = is_inter_block(mbmi, xd->tree_type); |
| if (get_ext_tx_types(tx_size, inter_block, cm->features.reduced_tx_set_used) > |
| 1) { |
| const TxSetType tx_set_type = av1_get_ext_tx_set_type( |
| tx_size, inter_block, cm->features.reduced_tx_set_used); |
| const int eset = |
| get_ext_tx_set(tx_size, inter_block, cm->features.reduced_tx_set_used); |
| // eset == 0 should correspond to a set with only DCT_DCT and |
| // there is no need to read the tx_type |
| assert(eset != 0); |
| |
| const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| if (inter_block) { |
| *tx_type = av1_ext_tx_inv[tx_set_type][aom_read_symbol( |
| r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size], |
| av1_num_ext_tx_set[tx_set_type], ACCT_STR)]; |
| } else { |
| if (mbmi->fsc_mode[xd->tree_type == CHROMA_PART]) { |
| *tx_type = IDTX; |
| return; |
| } |
| const PREDICTION_MODE intra_mode = |
| mbmi->filter_intra_mode_info.use_filter_intra |
| ? fimode_to_intradir[mbmi->filter_intra_mode_info |
| .filter_intra_mode] |
| : mbmi->mode; |
| #if CONFIG_ATC_NEWTXSETS |
| #if CONFIG_ATC_REDUCED_TXSET |
| const int size_info = av1_size_class[tx_size]; |
| *tx_type = av1_tx_idx_to_type( |
| aom_read_symbol( |
| r, |
| ec_ctx->intra_ext_tx_cdf[eset + cm->features.reduced_tx_set_used] |
| [square_tx_size][intra_mode], |
| cm->features.reduced_tx_set_used |
| ? av1_num_reduced_tx_set |
| : av1_num_ext_tx_set_intra[tx_set_type], |
| ACCT_STR), |
| tx_set_type, intra_mode, size_info); |
| #else |
| const int size_info = av1_size_class[tx_size]; |
| *tx_type = av1_tx_idx_to_type( |
| aom_read_symbol( |
| r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size][intra_mode], |
| av1_num_ext_tx_set_intra[tx_set_type], ACCT_STR), |
| tx_set_type, intra_mode, size_info); |
| #endif // CONFIG_ATC_REDUCED_TXSET |
| #else |
| *tx_type = av1_ext_tx_inv_intra[tx_set_type][aom_read_symbol( |
| r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size][intra_mode], |
| av1_num_ext_tx_set_intra[tx_set_type], ACCT_STR)]; |
| #endif // CONFIG_ATC_NEWTXSETS |
| } |
| } |
| } |
| |
| #if CONFIG_CROSS_CHROMA_TX |
| void av1_read_cctx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, |
| int blk_row, int blk_col, TX_SIZE tx_size, |
| aom_reader *r) { |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| // If it is a sub 8x8 chroma block, derive the mi_row and mi_col of the |
| // parent block area. Then apply cctx type update to this area w.r.t the |
| // offsets derived |
| int row_offset, col_offset; |
| #if CONFIG_EXT_RECUR_PARTITIONS |
| get_chroma_mi_offsets(xd, &row_offset, &col_offset); |
| #else |
| get_chroma_mi_offsets(xd, tx_size, &row_offset, &col_offset); |
| #endif // CONFIG_EXT_RECUR_PARTITIONS |
| update_cctx_array(xd, blk_row, blk_col, row_offset, col_offset, tx_size, |
| CCTX_NONE); |
| |
| // No need to read transform type if block is skipped. |
| if (mbmi->skip_txfm[xd->tree_type == CHROMA_PART] || |
| segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) |
| return; |
| |
| // No need to read transform type for lossless mode(qindex==0). |
| const int qindex = xd->qindex[mbmi->segment_id]; |
| if (qindex == 0) return; |
| |
| CctxType cctx_type = CCTX_NONE; |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; |
| int above_cctx, left_cctx; |
| #if CONFIG_EXT_RECUR_PARTITIONS |
| get_above_and_left_cctx_type(cm, xd, &above_cctx, &left_cctx); |
| #else |
| get_above_and_left_cctx_type(cm, xd, tx_size, &above_cctx, &left_cctx); |
| #endif // CONFIG_EXT_RECUR_PARTITIONS |
| const int cctx_ctx = get_cctx_context(xd, &above_cctx, &left_cctx); |
| cctx_type = aom_read_symbol( |
| r, ec_ctx->cctx_type_cdf[square_tx_size][cctx_ctx], CCTX_TYPES, ACCT_STR); |
| update_cctx_array(xd, blk_row, blk_col, row_offset, col_offset, tx_size, |
| cctx_type); |
| } |
| #endif // CONFIG_CROSS_CHROMA_TX |
| |
| void av1_read_sec_tx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, |
| int blk_row, int blk_col, TX_SIZE tx_size, |
| uint16_t *eob, aom_reader *r) { |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| TX_TYPE *tx_type = |
| &xd->tx_type_map[blk_row * xd->tx_type_map_stride + blk_col]; |
| |
| // No need to read transform type if block is skipped. |
| if (mbmi->skip_txfm[xd->tree_type == CHROMA_PART] || |
| segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) |
| return; |
| |
| // No need to read transform type for lossless mode(qindex==0). |
| const int qindex = xd->qindex[mbmi->segment_id]; |
| if (qindex == 0) return; |
| const int inter_block = is_inter_block(mbmi, xd->tree_type); |
| if (get_ext_tx_types(tx_size, inter_block, cm->features.reduced_tx_set_used) > |
| 1) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; |
| if (!inter_block) { |
| if (block_signals_sec_tx_type(xd, tx_size, *tx_type, *eob)) { |
| const uint8_t stx_flag = aom_read_symbol( |
| r, ec_ctx->stx_cdf[square_tx_size], STX_TYPES, ACCT_STR); |
| *tx_type |= (stx_flag << 4); |
| } |
| } |
| } else if (!inter_block) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; |
| if (block_signals_sec_tx_type(xd, tx_size, *tx_type, *eob)) { |
| const uint8_t stx_flag = aom_read_symbol( |
| r, ec_ctx->stx_cdf[square_tx_size], STX_TYPES, ACCT_STR); |
| *tx_type |= (stx_flag << 4); |
| } |
| } |
| } |
| |
| #if CONFIG_FLEX_MVRES |
| static INLINE void read_mv(aom_reader *r, MV *mv, MV ref, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmv_context *ctx, MvSubpelPrecision precision); |
| #else |
| static INLINE void read_mv(aom_reader *r, MV *mv, const MV *ref, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmv_context *ctx, MvSubpelPrecision precision); |
| #endif |
| |
| static INLINE int is_mv_valid(const MV *mv); |
| |
| static INLINE int assign_dv(AV1_COMMON *cm, MACROBLOCKD *xd, int_mv *mv, |
| const int_mv *ref_mv, int mi_row, int mi_col, |
| BLOCK_SIZE bsize, aom_reader *r) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| #if CONFIG_BVP_IMPROVEMENT |
| const MB_MODE_INFO *const mbmi = xd->mi[0]; |
| if (mbmi->intrabc_mode == 1) { |
| mv->as_int = ref_mv->as_int; |
| } else { |
| #endif // CONFIG_BVP_IMPROVEMENT |
| #if CONFIG_FLEX_MVRES |
| read_mv(r, &mv->as_mv, ref_mv->as_mv, |
| #if CONFIG_ADAPTIVE_MVD |
| 0, |
| #endif |
| &ec_ctx->ndvc, MV_PRECISION_ONE_PEL); |
| #else |
| read_mv(r, &mv->as_mv, &ref_mv->as_mv, |
| #if CONFIG_ADAPTIVE_MVD |
| 0, |
| #endif |
| &ec_ctx->ndvc, MV_SUBPEL_NONE); |
| #endif |
| |
| #if CONFIG_BVP_IMPROVEMENT |
| } |
| #endif // CONFIG_BVP_IMPROVEMENT |
| // DV should not have sub-pel. |
| assert((mv->as_mv.col & 7) == 0); |
| assert((mv->as_mv.row & 7) == 0); |
| mv->as_mv.col = (mv->as_mv.col >> 3) * 8; |
| mv->as_mv.row = (mv->as_mv.row >> 3) * 8; |
| int valid = is_mv_valid(&mv->as_mv) && |
| av1_is_dv_valid(mv->as_mv, cm, xd, mi_row, mi_col, bsize, |
| cm->seq_params.mib_size_log2); |
| return valid; |
| } |
| |
| #if CONFIG_BVP_IMPROVEMENT |
| static void read_intrabc_drl_idx(int max_ref_bv_cnt, FRAME_CONTEXT *ec_ctx, |
| MB_MODE_INFO *mbmi, aom_reader *r) { |
| mbmi->intrabc_drl_idx = 0; |
| int bit_cnt = 0; |
| for (int idx = 0; idx < max_ref_bv_cnt - 1; ++idx) { |
| const int intrabc_drl_idx = |
| aom_read_symbol(r, ec_ctx->intrabc_drl_idx_cdf[bit_cnt], 2, ACCT_STR); |
| mbmi->intrabc_drl_idx = idx + intrabc_drl_idx; |
| if (!intrabc_drl_idx) break; |
| ++bit_cnt; |
| } |
| assert(mbmi->intrabc_drl_idx < max_ref_bv_cnt); |
| } |
| #endif // CONFIG_BVP_IMPROVEMENT |
| |
| static void read_intrabc_info(AV1_COMMON *const cm, DecoderCodingBlock *dcb, |
| aom_reader *r) { |
| MACROBLOCKD *const xd = &dcb->xd; |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| assert(xd->tree_type != CHROMA_PART); |
| #if CONFIG_NEW_CONTEXT_MODELING |
| mbmi->use_intrabc[0] = 0; |
| mbmi->use_intrabc[1] = 0; |
| const int intrabc_ctx = get_intrabc_ctx(xd); |
| mbmi->use_intrabc[xd->tree_type == CHROMA_PART] = |
| aom_read_symbol(r, ec_ctx->intrabc_cdf[intrabc_ctx], 2, ACCT_STR); |
| #else |
| mbmi->use_intrabc[xd->tree_type == CHROMA_PART] = |
| aom_read_symbol(r, ec_ctx->intrabc_cdf, 2, ACCT_STR); |
| #endif // CONFIG_NEW_CONTEXT_MODELING |
| if (xd->tree_type == CHROMA_PART) |
| assert(mbmi->use_intrabc[PLANE_TYPE_UV] == 0); |
| if (mbmi->use_intrabc[xd->tree_type == CHROMA_PART]) { |
| BLOCK_SIZE bsize = mbmi->sb_type[xd->tree_type == CHROMA_PART]; |
| mbmi->mode = DC_PRED; |
| mbmi->fsc_mode[PLANE_TYPE_Y] = 0; |
| mbmi->fsc_mode[PLANE_TYPE_UV] = 0; |
| mbmi->uv_mode = UV_DC_PRED; |
| mbmi->interp_fltr = BILINEAR; |
| mbmi->motion_mode = SIMPLE_TRANSLATION; |
| #if CONFIG_FLEX_MVRES |
| // CHECK(cm->features.fr_mv_precision != MV_PRECISION_ONE_PEL, " |
| // fr_mv_precision is not same as MV_PRECISION_ONE_PEL for intra-bc |
| // blocks"); |
| set_default_max_mv_precision(mbmi, xd->sbi->sb_mv_precision); |
| set_mv_precision(mbmi, MV_PRECISION_ONE_PEL); |
| set_default_precision_set(cm, mbmi, bsize); |
| set_most_probable_mv_precision(cm, mbmi, bsize); |
| #endif |
| |
| #if CONFIG_BAWP |
| mbmi->bawp_flag = 0; |
| #endif |
| #if !CONFIG_C076_INTER_MOD_CTX |
| int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES]; |
| #endif // !CONFIG_C076_INTER_MOD_CTX |
| |
| // TODO(kslu): Rework av1_find_mv_refs to avoid having this big array |
| // ref_mvs |
| int_mv ref_mvs[INTRA_FRAME + 1][MAX_MV_REF_CANDIDATES]; |
| #if CONFIG_BVP_IMPROVEMENT |
| for (int i = 0; i < MAX_REF_BV_STACK_SIZE; ++i) { |
| xd->ref_mv_stack[INTRA_FRAME][i].this_mv.as_int = 0; |
| xd->ref_mv_stack[INTRA_FRAME][i].comp_mv.as_int = 0; |
| #if CONFIG_EXTENDED_WARP_PREDICTION |
| xd->ref_mv_stack[INTRA_FRAME][i].row_offset = OFFSET_NONSPATIAL; |
| xd->ref_mv_stack[INTRA_FRAME][i].col_offset = OFFSET_NONSPATIAL; |
| #endif // CONFIG_EXTENDED_WARP_PREDICTION |
| } |
| #endif // CONFIG_BVP_IMPROVEMENT |
| |
| av1_find_mv_refs(cm, xd, mbmi, INTRA_FRAME, dcb->ref_mv_count, |
| xd->ref_mv_stack, xd->weight, ref_mvs, /*global_mvs=*/NULL |
| #if !CONFIG_C076_INTER_MOD_CTX |
| , |
| inter_mode_ctx |
| #endif // !CONFIG_C076_INTER_MOD_CTX |
| #if CONFIG_WARP_REF_LIST |
| , |
| NULL, 0, NULL |
| #endif // CONFIG_WARP_REF_LIST |
| |
| ); |
| |
| #if CONFIG_BVP_IMPROVEMENT |
| mbmi->intrabc_mode = |
| aom_read_symbol(r, ec_ctx->intrabc_mode_cdf, 2, ACCT_STR); |
| read_intrabc_drl_idx(MAX_REF_BV_STACK_SIZE, ec_ctx, mbmi, r); |
| int_mv dv_ref = |
| xd->ref_mv_stack[INTRA_FRAME][mbmi->intrabc_drl_idx].this_mv; |
| #else |
| int_mv nearestmv, nearmv; |
| #if CONFIG_FLEX_MVRES |
| av1_find_best_ref_mvs(ref_mvs[INTRA_FRAME], &nearestmv, &nearmv, |
| mbmi->pb_mv_precision); |
| |
| assert(cm->features.fr_mv_precision == MV_PRECISION_ONE_PEL && |
| mbmi->max_mv_precision == MV_PRECISION_ONE_PEL); |
| #else |
| av1_find_best_ref_mvs(0, ref_mvs[INTRA_FRAME], &nearestmv, &nearmv, 0); |
| #endif |
| int_mv dv_ref = nearestmv.as_int == 0 ? nearmv : nearestmv; |
| #endif // CONFIG_BVP_IMPROVEMENT |
| if (dv_ref.as_int == 0) |
| av1_find_ref_dv(&dv_ref, &xd->tile, cm->seq_params.mib_size, xd->mi_row); |
| // Ref DV should not have sub-pel. |
| int valid_dv = (dv_ref.as_mv.col & 7) == 0 && (dv_ref.as_mv.row & 7) == 0; |
| dv_ref.as_mv.col = (dv_ref.as_mv.col >> 3) * 8; |
| dv_ref.as_mv.row = (dv_ref.as_mv.row >> 3) * 8; |
| valid_dv = valid_dv && assign_dv(cm, xd, &mbmi->mv[0], &dv_ref, xd->mi_row, |
| xd->mi_col, bsize, r); |
| if (!valid_dv) { |
| // Intra bc motion vectors are not valid - signal corrupt frame |
| aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, |
| "Invalid intrabc dv"); |
| } |
| } |
| } |
| |
| // If delta q is present, reads delta_q index. |
| // Also reads delta_q loop filter levels, if present. |
| static void read_delta_q_params(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
| aom_reader *r) { |
| DeltaQInfo *const delta_q_info = &cm->delta_q_info; |
| |
| if (delta_q_info->delta_q_present_flag) { |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| xd->current_base_qindex += |
| read_delta_qindex(cm, xd, r, mbmi) * delta_q_info->delta_q_res; |
| /* Normative: Clamp to [1,MAXQ] to not interfere with lossless mode */ |
| xd->current_base_qindex = |
| clamp(xd->current_base_qindex, 1, |
| cm->seq_params.bit_depth == AOM_BITS_8 ? MAXQ_8_BITS |
| : cm->seq_params.bit_depth == AOM_BITS_10 ? MAXQ_10_BITS |
| : MAXQ); |
| FRAME_CONTEXT *const ec_ctx = xd->tile_ctx; |
| if (delta_q_info->delta_lf_present_flag) { |
| const int mi_row = xd->mi_row; |
| const int mi_col = xd->mi_col; |
| if (delta_q_info->delta_lf_multi) { |
| const int frame_lf_count = |
| av1_num_planes(cm) > 1 ? FRAME_LF_COUNT : FRAME_LF_COUNT - 2; |
| for (int lf_id = 0; lf_id < frame_lf_count; ++lf_id) { |
| const int tmp_lvl = |
| xd->delta_lf[lf_id] + |
| read_delta_lflevel(cm, r, ec_ctx->delta_lf_multi_cdf[lf_id], mbmi, |
| mi_col, mi_row, xd->tree_type) * |
| delta_q_info->delta_lf_res; |
| mbmi->delta_lf[lf_id] = xd->delta_lf[lf_id] = |
| clamp(tmp_lvl, -MAX_LOOP_FILTER, MAX_LOOP_FILTER); |
| } |
| } else { |
| const int tmp_lvl = |
| xd->delta_lf_from_base + |
| read_delta_lflevel(cm, r, ec_ctx->delta_lf_cdf, mbmi, mi_col, |
| mi_row, xd->tree_type) * |
| delta_q_info->delta_lf_res; |
| mbmi->delta_lf_from_base = xd->delta_lf_from_base = |
| clamp(tmp_lvl, -MAX_LOOP_FILTER, MAX_LOOP_FILTER); |
| } |
| } |
| } |
| } |
| |
| #if CONFIG_AIMC |
| // read mode set index and mode index in set for y component, |
| // and map it to y mode and delta angle |
| static void read_intra_luma_mode(MACROBLOCKD *const xd, aom_reader *r) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| uint8_t mode_idx = 0; |
| const int context = get_y_mode_idx_ctx(xd); |
| int mode_set_index = |
| aom_read_symbol(r, ec_ctx->y_mode_set_cdf, INTRA_MODE_SETS, ACCT_STR); |
| if (mode_set_index == 0) { |
| mode_idx = aom_read_symbol(r, ec_ctx->y_mode_idx_cdf_0[context], |
| FIRST_MODE_COUNT, ACCT_STR); |
| } else { |
| mode_idx = FIRST_MODE_COUNT + (mode_set_index - 1) * SECOND_MODE_COUNT + |
| aom_read_symbol(r, ec_ctx->y_mode_idx_cdf_1[context], |
| SECOND_MODE_COUNT, ACCT_STR); |
| } |
| assert(mode_idx < LUMA_MODE_COUNT); |
| get_y_intra_mode_set(mbmi, xd); |
| mbmi->joint_y_mode_delta_angle = mbmi->y_intra_mode_list[mode_idx]; |
| set_y_mode_and_delta_angle(mbmi->joint_y_mode_delta_angle, mbmi); |
| mbmi->y_mode_idx = mode_idx; |
| if (mbmi->joint_y_mode_delta_angle < NON_DIRECTIONAL_MODES_COUNT) |
| assert(mbmi->joint_y_mode_delta_angle == mbmi->y_mode_idx); |
| } |
| |
| // read mode index for uv component and map it to uv mode and delta angle |
| static void read_intra_uv_mode(MACROBLOCKD *const xd, |
| CFL_ALLOWED_TYPE cfl_allowed, aom_reader *r) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| const int context = av1_is_directional_mode(mbmi->mode) ? 1 : 0; |
| const int uv_mode_idx = |
| aom_read_symbol(r, ec_ctx->uv_mode_cdf[cfl_allowed][context], |
| UV_INTRA_MODES - !cfl_allowed, ACCT_STR); |
| assert(uv_mode_idx >= 0 && uv_mode_idx < UV_INTRA_MODES); |
| get_uv_intra_mode_set(mbmi); |
| mbmi->uv_mode = mbmi->uv_intra_mode_list[uv_mode_idx]; |
| if (mbmi->uv_mode == mbmi->mode) |
| mbmi->angle_delta[PLANE_TYPE_UV] = mbmi->angle_delta[PLANE_TYPE_Y]; |
| else |
| mbmi->angle_delta[PLANE_TYPE_UV] = 0; |
| } |
| #endif // CONFIG_AIMC |
| |
| static void read_intra_frame_mode_info(AV1_COMMON *const cm, |
| DecoderCodingBlock *dcb, aom_reader *r) { |
| MACROBLOCKD *const xd = &dcb->xd; |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| const BLOCK_SIZE bsize = mbmi->sb_type[xd->tree_type == CHROMA_PART]; |
| struct segmentation *const seg = &cm->seg; |
| |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| |
| if (seg->segid_preskip) |
| mbmi->segment_id = read_intra_segment_id(cm, xd, bsize, r, 0); |
| |
| #if CONFIG_SKIP_MODE_ENHANCEMENT |
| mbmi->skip_mode = 0; |
| #endif // CONFIG_SKIP_MODE_ENHANCEMENT |
| |
| mbmi->skip_txfm[xd->tree_type == CHROMA_PART] = |
| read_skip_txfm(cm, xd, mbmi->segment_id, r); |
| |
| if (!seg->segid_preskip) |
| mbmi->segment_id = read_intra_segment_id( |
| cm, xd, bsize, r, mbmi->skip_txfm[xd->tree_type == CHROMA_PART]); |
| |
| if (xd->tree_type != CHROMA_PART) read_cdef(cm, r, xd); |
| |
| #if CONFIG_CCSO |
| if (cm->seq_params.enable_ccso |
| #if CONFIG_CCSO_EXT |
| && xd->tree_type != CHROMA_PART |
| #else |
| && xd->tree_type != LUMA_PART |
| #endif |
| ) |
| read_ccso(cm, r, xd); |
| #endif |
| |
| read_delta_q_params(cm, xd, r); |
| |
| mbmi->current_qindex = xd->current_base_qindex; |
| |
| mbmi->ref_frame[0] = INTRA_FRAME; |
| mbmi->ref_frame[1] = NONE_FRAME; |
| if (xd->tree_type != CHROMA_PART) mbmi->palette_mode_info.palette_size[0] = 0; |
| mbmi->palette_mode_info.palette_size[1] = 0; |
| if (xd->tree_type != CHROMA_PART) |
| mbmi->filter_intra_mode_info.use_filter_intra = 0; |
| |
| const int mi_row = xd->mi_row; |
| const int mi_col = xd->mi_col; |
| xd->above_txfm_context = cm->above_contexts.txfm[xd->tile.tile_row] + mi_col; |
| xd->left_txfm_context = |
| xd->left_txfm_context_buffer + (mi_row & MAX_MIB_MASK); |
| if (av1_allow_intrabc(cm) && xd->tree_type != CHROMA_PART) { |
| read_intrabc_info(cm, dcb, r); |
| if (is_intrabc_block(mbmi, xd->tree_type)) return; |
| } |
| #if !CONFIG_AIMC |
| const int use_angle_delta = av1_use_angle_delta(bsize); |
| #endif // !CONFIG_AIMC |
| if (xd->tree_type != CHROMA_PART) { |
| #if CONFIG_AIMC |
| read_intra_luma_mode(xd, r); |
| if (allow_fsc_intra(cm, xd, bsize, mbmi)) { |
| aom_cdf_prob *fsc_cdf = get_fsc_mode_cdf(xd, bsize, 1); |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = read_fsc_mode(r, fsc_cdf); |
| } else { |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = 0; |
| } |
| #else |
| mbmi->mode = read_intra_mode( |
| r, get_y_mode_cdf(ec_ctx, xd->neighbors[0], xd->neighbors[1])); |
| if (allow_fsc_intra(cm, xd, bsize, mbmi)) { |
| aom_cdf_prob *fsc_cdf = get_fsc_mode_cdf(xd, bsize, 1); |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = read_fsc_mode(r, fsc_cdf); |
| } else { |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = 0; |
| } |
| mbmi->angle_delta[PLANE_TYPE_Y] = |
| (use_angle_delta && av1_is_directional_mode(mbmi->mode)) |
| ? read_angle_delta( |
| r, ec_ctx->angle_delta_cdf[PLANE_TYPE_Y][mbmi->mode - V_PRED]) |
| : 0; |
| #endif // CONFIG_AIMC |
| |
| mbmi->mrl_index = |
| (cm->seq_params.enable_mrls && av1_is_directional_mode(mbmi->mode)) |
| ? read_mrl_index(ec_ctx, r) |
| : 0; |
| } |
| |
| if (xd->tree_type != LUMA_PART) { |
| if (!cm->seq_params.monochrome && xd->is_chroma_ref) { |
| #if CONFIG_AIMC |
| read_intra_uv_mode(xd, is_cfl_allowed(xd), r); |
| #else |
| mbmi->uv_mode = |
| read_intra_mode_uv(ec_ctx, r, is_cfl_allowed(xd), mbmi->mode); |
| if (cm->seq_params.enable_sdp) { |
| mbmi->angle_delta[PLANE_TYPE_UV] = |
| (use_angle_delta && |
| av1_is_directional_mode(get_uv_mode(mbmi->uv_mode))) |
| ? read_angle_delta( |
| r, ec_ctx->angle_delta_cdf[PLANE_TYPE_UV] |
| [mbmi->uv_mode - V_PRED]) |
| : 0; |
| } else { |
| mbmi->angle_delta[PLANE_TYPE_UV] = |
| (use_angle_delta && |
| av1_is_directional_mode(get_uv_mode(mbmi->uv_mode))) |
| ? read_angle_delta( |
| r, ec_ctx->angle_delta_cdf[PLANE_TYPE_Y] |
| [mbmi->uv_mode - V_PRED]) |
| : 0; |
| } |
| #endif // CONFIG_AIMC |
| if (mbmi->uv_mode == UV_CFL_PRED) { |
| #if CONFIG_IMPROVED_CFL |
| { mbmi->cfl_idx = read_cfl_index(ec_ctx, r); } |
| if (mbmi->cfl_idx == 0) |
| #endif |
| mbmi->cfl_alpha_idx = |
| read_cfl_alphas(ec_ctx, r, &mbmi->cfl_alpha_signs); |
| } |
| } else { |
| // Avoid decoding angle_info if there is is no chroma prediction |
| mbmi->uv_mode = UV_DC_PRED; |
| } |
| xd->cfl.store_y = store_cfl_required(cm, xd); |
| } else { |
| // Avoid decoding angle_info if there is is no chroma prediction |
| mbmi->uv_mode = UV_DC_PRED; |
| } |
| |
| if (av1_allow_palette(cm->features.allow_screen_content_tools, bsize)) |
| read_palette_mode_info(cm, xd, r); |
| |
| if (xd->tree_type != CHROMA_PART) read_filter_intra_mode_info(cm, xd, r); |
| } |
| #if CONFIG_FLEX_MVRES |
| // Read the MVD for the lower precision |
| // this function is executed when the precision is less than integer pixel |
| // precision |
| static int read_mv_component_low_precision(aom_reader *r, nmv_component *mvcomp, |
| MvSubpelPrecision precision) { |
| int offset, mag; |
| const int sign = aom_read_symbol(r, mvcomp->sign_cdf, 2, ACCT_STR); |
| const int num_mv_classes = MV_CLASSES - (precision <= MV_PRECISION_FOUR_PEL) - |
| (precision <= MV_PRECISION_8_PEL); |
| |
| int mv_class = aom_read_symbol( |
| r, mvcomp->classes_cdf[av1_get_mv_class_context(precision)], |
| num_mv_classes, ACCT_STR); |
| |
| if (precision <= MV_PRECISION_FOUR_PEL && mv_class >= MV_CLASS_1) |
| mv_class += (precision == MV_PRECISION_FOUR_PEL ? 1 : 2); |
| |
| int has_offset = (mv_class >= min_class_with_offset[precision]); |
| |
| assert(MV_PRECISION_ONE_PEL >= precision); |
| const int precision_diff = MV_PRECISION_ONE_PEL - precision; |
| const uint8_t start_lsb = (precision_diff >= 0) ? (uint8_t)precision_diff : 0; |
| |
| // Integer part |
| if (!has_offset) { |
| mag = mv_class ? (1 << mv_class) : 0; // int mv data |
| } else { |
| const int n = (mv_class == MV_CLASS_0) ? 1 : mv_class; |
| offset = 0; |
| for (int i = start_lsb; i < n; ++i) |
| offset |= aom_read_symbol(r, mvcomp->bits_cdf[i], 2, ACCT_STR) << i; |
| const int base = mv_class ? (1 << mv_class) : 0; |
| mag = (offset + base); // int mv data |
| } |
| |
| const int nonZero_offset = (1 << start_lsb); |
| mag = (mag + nonZero_offset) << 3; |
| return sign ? -mag : mag; |
| } |
| |
| #endif |
| |
| static int read_mv_component(aom_reader *r, nmv_component *mvcomp, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| #if CONFIG_FLEX_MVRES |
| MvSubpelPrecision precision) { |
| #else |
| int use_subpel, int usehp) { |
| #endif |
| |
| #if CONFIG_FLEX_MVRES |
| if (precision < MV_PRECISION_ONE_PEL) { |
| #if CONFIG_ADAPTIVE_MVD |
| assert(!is_adaptive_mvd); |
| #endif |
| return read_mv_component_low_precision(r, mvcomp, precision); |
| } |
| #endif |
| |
| int mag, d, fr, hp; |
| const int sign = aom_read_symbol(r, mvcomp->sign_cdf, 2, ACCT_STR); |
| const int mv_class = |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd |
| ? aom_read_symbol(r, mvcomp->amvd_classes_cdf, MV_CLASSES, ACCT_STR) |
| : |
| #endif // CONFIG_ADAPTIVE_MVD |
| #if CONFIG_FLEX_MVRES |
| aom_read_symbol( |
| r, mvcomp->classes_cdf[av1_get_mv_class_context(precision)], |
| MV_CLASSES, ACCT_STR); |
| #else |
| aom_read_symbol(r, mvcomp->classes_cdf, MV_CLASSES, ACCT_STR); |
| #endif |
| |
| const int class0 = mv_class == MV_CLASS_0; |
| |
| #if CONFIG_ADAPTIVE_MVD |
| int use_mv_class_offset = 1; |
| if (mv_class > MV_CLASS_0 && is_adaptive_mvd) use_mv_class_offset = 0; |
| if (use_mv_class_offset) { |
| #endif // CONFIG_ADAPTIVE_MVD |
| // Integer part |
| if (class0) { |
| d = aom_read_symbol(r, mvcomp->class0_cdf, CLASS0_SIZE, ACCT_STR); |
| mag = 0; |
| } else { |
| const int n = mv_class + CLASS0_BITS - 1; // number of bits |
| d = 0; |
| for (int i = 0; i < n; ++i) |
| d |= aom_read_symbol(r, mvcomp->bits_cdf[i], 2, ACCT_STR) << i; |
| mag = CLASS0_SIZE << (mv_class + 2); |
| } |
| #if CONFIG_ADAPTIVE_MVD |
| } else { |
| const int n = mv_class + CLASS0_BITS - 1; // number of bits |
| d = 0; |
| for (int i = 0; i < n; ++i) d |= 1 << i; |
| mag = CLASS0_SIZE << (mv_class + 2); |
| } |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| #if CONFIG_ADAPTIVE_MVD |
| #if CONFIG_FLEX_MVRES |
| int use_subpel = 1; |
| #endif |
| if (is_adaptive_mvd) { |
| use_subpel &= class0; |
| use_subpel &= (d == 0); |
| } |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| #if CONFIG_FLEX_MVRES |
| if (precision > MV_PRECISION_ONE_PEL |
| #if CONFIG_ADAPTIVE_MVD |
| && use_subpel |
| #endif |
| ) { |
| #else |
| if (use_subpel) { |
| #endif |
| // Fractional part |
| // 1/2 and 1/4 pel parts |
| #if CONFIG_FLEX_MVRES |
| fr = aom_read_symbol( |
| r, class0 ? mvcomp->class0_fp_cdf[d][0] : mvcomp->fp_cdf[0], 2, |
| ACCT_STR) |
| << 1; |
| fr += precision > MV_PRECISION_HALF_PEL |
| ? aom_read_symbol(r, |
| class0 ? mvcomp->class0_fp_cdf[d][1 + (fr >> 1)] |
| : mvcomp->fp_cdf[1 + (fr >> 1)], |
| 2, ACCT_STR) |
| : 1; |
| #else |
| fr = aom_read_symbol(r, class0 ? mvcomp->class0_fp_cdf[d] : mvcomp->fp_cdf, |
| MV_FP_SIZE, ACCT_STR); |
| #endif // CONFIG_FLEX_MVRES |
| |
| #if CONFIG_FLEX_MVRES |
| // 1/8 pel part (if hp is not used, the default value of the hp is 1) |
| hp = (precision > MV_PRECISION_QTR_PEL) |
| #else |
| hp = usehp |
| #endif |
| ? aom_read_symbol(r, |
| class0 ? mvcomp->class0_hp_cdf : mvcomp->hp_cdf, |
| 2, ACCT_STR) |
| : 1; |
| } else { |
| fr = 3; |
| hp = 1; |
| } |
| |
| // Result |
| mag += ((d << 3) | (fr << 1) | hp) + 1; |
| return sign ? -mag : mag; |
| } |
| #if CONFIG_FLEX_MVRES |
| static INLINE void read_mv(aom_reader *r, MV *mv, MV ref, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmv_context *ctx, MvSubpelPrecision precision) { |
| #else |
| static INLINE void read_mv(aom_reader *r, MV *mv, const MV *ref, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmv_context *ctx, MvSubpelPrecision precision) { |
| #endif |
| MV diff = kZeroMv; |
| #if IMPROVED_AMVD && CONFIG_ADAPTIVE_MVD |
| #if !CONFIG_FLEX_MVRES |
| if (is_adaptive_mvd && precision > MV_SUBPEL_NONE) |
| precision = MV_SUBPEL_LOW_PRECISION; |
| #endif |
| #endif // IMPROVED_AMVD && CONFIG_JOINT_MVD |
| const MV_JOINT_TYPE joint_type = |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd ? (MV_JOINT_TYPE)aom_read_symbol(r, ctx->amvd_joints_cdf, |
| MV_JOINTS, ACCT_STR) |
| : |
| #endif // CONFIG_ADAPTIVE_MVD |
| (MV_JOINT_TYPE)aom_read_symbol(r, ctx->joints_cdf, |
| MV_JOINTS, ACCT_STR); |
| if (mv_joint_vertical(joint_type)) |
| diff.row = read_mv_component(r, &ctx->comps[0], |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| precision > MV_SUBPEL_NONE, |
| precision > MV_SUBPEL_LOW_PRECISION); |
| #endif |
| |
| if (mv_joint_horizontal(joint_type)) |
| diff.col = read_mv_component(r, &ctx->comps[1], |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| precision > MV_SUBPEL_NONE, |
| precision > MV_SUBPEL_LOW_PRECISION); |
| #endif |
| |
| #if CONFIG_FLEX_MVRES |
| #if BUGFIX_AMVD_AMVR |
| if (!is_adaptive_mvd) |
| #endif // BUGFIX_AMVD_AMVR |
| #if CONFIG_C071_SUBBLK_WARPMV |
| if (precision < MV_PRECISION_HALF_PEL) |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| lower_mv_precision(&ref, precision); |
| mv->row = ref.row + diff.row; |
| mv->col = ref.col + diff.col; |
| #else |
| mv->row = ref->row + diff.row; |
| mv->col = ref->col + diff.col; |
| #endif |
| } |
| |
| static REFERENCE_MODE read_block_reference_mode(AV1_COMMON *cm, |
| const MACROBLOCKD *xd, |
| aom_reader *r) { |
| if (!is_comp_ref_allowed(xd->mi[0]->sb_type[PLANE_TYPE_Y])) |
| return SINGLE_REFERENCE; |
| if (cm->current_frame.reference_mode == REFERENCE_MODE_SELECT) { |
| const int ctx = av1_get_reference_mode_context(cm, xd); |
| const REFERENCE_MODE mode = (REFERENCE_MODE)aom_read_symbol( |
| r, xd->tile_ctx->comp_inter_cdf[ctx], 2, ACCT_STR); |
| return mode; // SINGLE_REFERENCE or COMPOUND_REFERENCE |
| } else { |
| assert(cm->current_frame.reference_mode == SINGLE_REFERENCE); |
| return cm->current_frame.reference_mode; |
| } |
| } |
| |
| static AOM_INLINE void read_single_ref( |
| MACROBLOCKD *const xd, MV_REFERENCE_FRAME ref_frame[2], |
| const RefFramesInfo *const ref_frames_info, aom_reader *r) { |
| const int n_refs = ref_frames_info->num_total_refs; |
| for (int i = 0; i < n_refs - 1; i++) { |
| const int bit = aom_read_symbol( |
| r, av1_get_pred_cdf_single_ref(xd, i, n_refs), 2, ACCT_STR); |
| if (bit) { |
| ref_frame[0] = i; |
| return; |
| } |
| } |
| ref_frame[0] = n_refs - 1; |
| } |
| |
| static AOM_INLINE void read_compound_ref( |
| const MACROBLOCKD *xd, MV_REFERENCE_FRAME ref_frame[2], |
| const RefFramesInfo *const ref_frames_info, aom_reader *r) { |
| const int n_refs = ref_frames_info->num_total_refs; |
| #if !CONFIG_ALLOW_SAME_REF_COMPOUND |
| assert(n_refs >= 2); |
| #endif // CONFIG_ALLOW_SAME_REF_COMPOUND |
| int n_bits = 0; |
| #if CONFIG_ALLOW_SAME_REF_COMPOUND |
| for (int i = 0; i < n_refs - 1 && n_bits < 2; i++) { |
| #else |
| for (int i = 0; i < n_refs + n_bits - 2 && n_bits < 2; i++) { |
| #endif // CONFIG_ALLOW_SAME_REF_COMPOUND |
| // bit_type: -1 for ref0, 0 for opposite sided ref1, 1 for same sided ref1 |
| const int bit_type = n_bits == 0 ? -1 |
| : av1_get_compound_ref_bit_type( |
| ref_frames_info, ref_frame[0], i); |
| const int bit = (n_bits == 0 && i >= RANKED_REF0_TO_PRUNE - 1) |
| ? 1 |
| : aom_read_symbol(r, |
| av1_get_pred_cdf_compound_ref( |
| xd, i, n_bits, bit_type, n_refs), |
| 2, ACCT_STR); |
| if (bit) { |
| ref_frame[n_bits++] = i; |
| #if CONFIG_ALLOW_SAME_REF_COMPOUND |
| if (i < ref_frames_info->num_same_ref_compound) i -= 1; |
| #endif // CONFIG_ALLOW_SAME_REF_COMPOUND |
| } |
| } |
| if (n_bits < 2) ref_frame[1] = n_refs - 1; |
| #if CONFIG_ALLOW_SAME_REF_COMPOUND |
| if (n_bits < 1) ref_frame[0] = n_refs - 1; |
| #else |
| if (n_bits < 1) ref_frame[0] = n_refs - 2; |
| #endif // CONFIG_ALLOW_SAME_REF_COMPOUND |
| } |
| |
| static void set_ref_frames_for_skip_mode(AV1_COMMON *const cm, |
| MV_REFERENCE_FRAME ref_frame[2]) { |
| ref_frame[0] = cm->current_frame.skip_mode_info.ref_frame_idx_0; |
| ref_frame[1] = cm->current_frame.skip_mode_info.ref_frame_idx_1; |
| } |
| |
| // Read the reference frame |
| static void read_ref_frames(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
| aom_reader *r, int segment_id, |
| MV_REFERENCE_FRAME ref_frame[2]) { |
| if (xd->mi[0]->skip_mode) { |
| set_ref_frames_for_skip_mode(cm, ref_frame); |
| return; |
| } |
| |
| #if CONFIG_TIP |
| ref_frame[0] = NONE_FRAME; |
| ref_frame[1] = NONE_FRAME; |
| #if !CONFIG_EXT_RECUR_PARTITIONS |
| const BLOCK_SIZE bsize = xd->mi[0]->sb_type[PLANE_TYPE_Y]; |
| #endif // !CONFIG_EXT_RECUR_PARTITIONS |
| if (cm->features.tip_frame_mode && |
| #if CONFIG_EXT_RECUR_PARTITIONS |
| is_tip_allowed_bsize(xd->mi[0])) { |
| #else // CONFIG_EXT_RECUR_PARTITIONS |
| is_tip_allowed_bsize(bsize)) { |
| #endif // CONFIG_EXT_RECUR_PARTITIONS |
| const int tip_ctx = get_tip_ctx(xd); |
| if (aom_read_symbol(r, xd->tile_ctx->tip_cdf[tip_ctx], 2, ACCT_STR)) { |
| ref_frame[0] = TIP_FRAME; |
| } |
| } |
| |
| if (is_tip_ref_frame(ref_frame[0])) return; |
| #endif // CONFIG_TIP |
| |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) || |
| segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { |
| ref_frame[0] = get_closest_pastcur_ref_index(cm); |
| ref_frame[1] = NONE_FRAME; |
| } else { |
| const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r); |
| |
| if (mode == COMPOUND_REFERENCE) { |
| read_compound_ref(xd, ref_frame, &cm->ref_frames_info, r); |
| } else if (mode == SINGLE_REFERENCE) { |
| read_single_ref(xd, ref_frame, &cm->ref_frames_info, r); |
| ref_frame[1] = NONE_FRAME; |
| } else { |
| assert(0 && "Invalid prediction mode."); |
| } |
| } |
| } |
| |
| static INLINE void read_mb_interp_filter(const MACROBLOCKD *const xd, |
| InterpFilter interp_filter, |
| const AV1_COMMON *cm, |
| MB_MODE_INFO *const mbmi, |
| aom_reader *r) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| |
| if (!av1_is_interp_needed(cm, xd)) { |
| set_default_interp_filters(mbmi, |
| #if CONFIG_OPTFLOW_REFINEMENT |
| cm, |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| interp_filter); |
| return; |
| } |
| |
| if (interp_filter != SWITCHABLE) { |
| mbmi->interp_fltr = interp_filter; |
| } else { |
| const int ctx = av1_get_pred_context_switchable_interp(xd, 0); |
| const InterpFilter filter = (InterpFilter)aom_read_symbol( |
| r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS, ACCT_STR); |
| mbmi->interp_fltr = filter; |
| } |
| } |
| |
| static void read_intra_block_mode_info(AV1_COMMON *const cm, |
| MACROBLOCKD *const xd, |
| MB_MODE_INFO *const mbmi, |
| aom_reader *r) { |
| const BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; |
| |
| mbmi->ref_frame[0] = INTRA_FRAME; |
| mbmi->ref_frame[1] = NONE_FRAME; |
| |
| #if CONFIG_FLEX_MVRES |
| set_default_max_mv_precision(mbmi, xd->sbi->sb_mv_precision); |
| set_mv_precision(mbmi, mbmi->max_mv_precision); |
| set_default_precision_set(cm, mbmi, bsize); |
| set_most_probable_mv_precision(cm, mbmi, bsize); |
| #endif |
| |
| #if CONFIG_BAWP |
| mbmi->bawp_flag = 0; |
| #endif |
| |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| |
| #if CONFIG_AIMC |
| read_intra_luma_mode(xd, r); |
| if (allow_fsc_intra(cm, xd, bsize, mbmi) && xd->tree_type != CHROMA_PART) { |
| aom_cdf_prob *fsc_cdf = get_fsc_mode_cdf(xd, bsize, 0); |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = read_fsc_mode(r, fsc_cdf); |
| } else { |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = 0; |
| } |
| #else |
| const int use_angle_delta = av1_use_angle_delta(bsize); |
| mbmi->mode = read_intra_mode(r, ec_ctx->y_mode_cdf[size_group_lookup[bsize]]); |
| |
| if (allow_fsc_intra(cm, xd, bsize, mbmi) && xd->tree_type != CHROMA_PART) { |
| aom_cdf_prob *fsc_cdf = get_fsc_mode_cdf(xd, bsize, 0); |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = read_fsc_mode(r, fsc_cdf); |
| if (mbmi->fsc_mode[xd->tree_type == CHROMA_PART]) { |
| mbmi->angle_delta[PLANE_TYPE_Y] = 0; |
| } |
| } else { |
| mbmi->fsc_mode[xd->tree_type == CHROMA_PART] = 0; |
| } |
| mbmi->angle_delta[PLANE_TYPE_Y] = |
| use_angle_delta && av1_is_directional_mode(mbmi->mode) |
| ? read_angle_delta( |
| r, ec_ctx->angle_delta_cdf[PLANE_TYPE_Y][mbmi->mode - V_PRED]) |
| : 0; |
| #endif // CONFIG_AIMC |
| |
| if (xd->tree_type != CHROMA_PART) |
| // Parsing reference line index |
| mbmi->mrl_index = |
| (cm->seq_params.enable_mrls && av1_is_directional_mode(mbmi->mode)) |
| ? read_mrl_index(ec_ctx, r) |
| : 0; |
| |
| if (!cm->seq_params.monochrome && xd->is_chroma_ref) { |
| #if CONFIG_AIMC |
| read_intra_uv_mode(xd, is_cfl_allowed(xd), r); |
| #else |
| mbmi->uv_mode = |
| read_intra_mode_uv(ec_ctx, r, is_cfl_allowed(xd), mbmi->mode); |
| if (cm->seq_params.enable_sdp) { |
| mbmi->angle_delta[PLANE_TYPE_UV] = |
| use_angle_delta && av1_is_directional_mode(get_uv_mode(mbmi->uv_mode)) |
| ? read_angle_delta( |
| r, ec_ctx->angle_delta_cdf[PLANE_TYPE_UV] |
| [mbmi->uv_mode - V_PRED]) |
| : 0; |
| } else { |
| mbmi->angle_delta[PLANE_TYPE_UV] = |
| use_angle_delta && av1_is_directional_mode(get_uv_mode(mbmi->uv_mode)) |
| ? read_angle_delta( |
| r, ec_ctx->angle_delta_cdf[PLANE_TYPE_Y] |
| [mbmi->uv_mode - V_PRED]) |
| : 0; |
| } |
| #endif // CONFIG_AIMC |
| if (mbmi->uv_mode == UV_CFL_PRED) { |
| #if CONFIG_IMPROVED_CFL |
| { mbmi->cfl_idx = read_cfl_index(ec_ctx, r); } |
| if (mbmi->cfl_idx == 0) |
| #endif |
| { |
| mbmi->cfl_alpha_idx = |
| read_cfl_alphas(xd->tile_ctx, r, &mbmi->cfl_alpha_signs); |
| } |
| } |
| } else { |
| // Avoid decoding angle_info if there is is no chroma prediction |
| mbmi->uv_mode = UV_DC_PRED; |
| } |
| if (xd->tree_type != LUMA_PART) xd->cfl.store_y = store_cfl_required(cm, xd); |
| if (xd->tree_type != CHROMA_PART) mbmi->palette_mode_info.palette_size[0] = 0; |
| mbmi->palette_mode_info.palette_size[1] = 0; |
| if (av1_allow_palette(cm->features.allow_screen_content_tools, bsize)) |
| read_palette_mode_info(cm, xd, r); |
| |
| if (xd->tree_type != CHROMA_PART) read_filter_intra_mode_info(cm, xd, r); |
| } |
| |
| static INLINE int is_mv_valid(const MV *mv) { |
| return mv->row > MV_LOW && mv->row < MV_UPP && mv->col > MV_LOW && |
| mv->col < MV_UPP; |
| } |
| |
| static INLINE int assign_mv(AV1_COMMON *cm, MACROBLOCKD *xd, |
| PREDICTION_MODE mode, |
| MV_REFERENCE_FRAME ref_frame[2], int_mv mv[2], |
| int_mv ref_mv[2], int is_compound, |
| #if !CONFIG_FLEX_MVRES |
| int allow_hp, |
| #else |
| MvSubpelPrecision precision, |
| #endif |
| #if CONFIG_WARPMV |
| const WarpedMotionParams *ref_warp_model, |
| #endif // CONFIG_WARPMV |
| |
| aom_reader *r) { |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; |
| FeatureFlags *const features = &cm->features; |
| #if CONFIG_FLEX_MVRES |
| assert(IMPLIES(features->cur_frame_force_integer_mv, |
| precision == MV_PRECISION_ONE_PEL)); |
| #else |
| if (features->cur_frame_force_integer_mv) { |
| allow_hp = MV_SUBPEL_NONE; |
| } |
| #endif |
| #if CONFIG_JOINT_MVD |
| int first_ref_dist = 0; |
| int sec_ref_dist = 0; |
| const int same_side = is_ref_frame_same_side(cm, mbmi); |
| const int jmvd_base_ref_list = get_joint_mvd_base_ref_list(cm, mbmi); |
| // check whether joint mvd is applied or not |
| if (is_joint_mvd_coding_mode(mbmi->mode)) { |
| first_ref_dist = |
| cm->ref_frame_relative_dist[mbmi->ref_frame[jmvd_base_ref_list]]; |
| sec_ref_dist = |
| cm->ref_frame_relative_dist[mbmi->ref_frame[1 - jmvd_base_ref_list]]; |
| assert(first_ref_dist >= sec_ref_dist); |
| } |
| #endif // CONFIG_JOINT_MVD |
| #if CONFIG_ADAPTIVE_MVD |
| const int is_adaptive_mvd = enable_adaptive_mvd_resolution(cm, mbmi); |
| #if CONFIG_FLEX_MVRES |
| assert(!(is_adaptive_mvd && is_pb_mv_precision_active(cm, mbmi, bsize))); |
| #endif |
| #endif // CONFIG_ADAPTIVE_MVD |
| switch (mode) { |
| #if IMPROVED_AMVD |
| case AMVDNEWMV: |
| #endif // IMPROVED_AMVD |
| case NEWMV: { |
| nmv_context *const nmvc = &ec_ctx->nmvc; |
| read_mv(r, &mv[0].as_mv, |
| #if CONFIG_FLEX_MVRES |
| ref_mv[0].as_mv, |
| #else |
| &ref_mv[0].as_mv, |
| #endif |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmvc, |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| allow_hp); |
| #endif |
| break; |
| } |
| case NEARMV: { |
| mv[0].as_int = ref_mv[0].as_int; |
| break; |
| } |
| #if CONFIG_WARPMV |
| case WARPMV: { |
| assert(ref_warp_model); |
| mbmi->mv[0] = get_mv_from_wrl(xd, ref_warp_model, |
| |
| #if CONFIG_FLEX_MVRES |
| MV_PRECISION_ONE_EIGHTH_PEL, |
| #else |
| 1, 0, |
| #endif |
| bsize, xd->mi_col, xd->mi_row); |
| break; |
| } |
| #endif // CONFIG_WARPMV |
| case GLOBALMV: { |
| #if CONFIG_FLEX_MVRES |
| mv[0].as_int = |
| get_warp_motion_vector(xd, effective_global_motion(xd, ref_frame[0]), |
| features->fr_mv_precision, bsize, xd->mi_col, |
| xd->mi_row) |
| #else |
| mv[0].as_int = get_warp_motion_vector( |
| xd, effective_global_motion(xd, ref_frame[0]), |
| features->allow_high_precision_mv, bsize, xd->mi_col, |
| xd->mi_row, features->cur_frame_force_integer_mv) |
| #endif |
| .as_int; |
| break; |
| } |
| case NEW_NEWMV: |
| #if CONFIG_OPTFLOW_REFINEMENT |
| case NEW_NEWMV_OPTFLOW: |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| { |
| assert(is_compound); |
| for (int i = 0; i < 2; ++i) { |
| nmv_context *const nmvc = &ec_ctx->nmvc; |
| read_mv(r, &mv[i].as_mv, |
| #if CONFIG_FLEX_MVRES |
| ref_mv[i].as_mv, |
| #else |
| |
| &ref_mv[i].as_mv, |
| #endif |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmvc, |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| allow_hp); |
| #endif |
| } |
| break; |
| } |
| case NEAR_NEARMV: |
| #if CONFIG_OPTFLOW_REFINEMENT |
| case NEAR_NEARMV_OPTFLOW: |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| { |
| assert(is_compound); |
| mv[0].as_int = ref_mv[0].as_int; |
| mv[1].as_int = ref_mv[1].as_int; |
| break; |
| } |
| case NEAR_NEWMV: |
| #if CONFIG_OPTFLOW_REFINEMENT |
| case NEAR_NEWMV_OPTFLOW: |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| { |
| nmv_context *const nmvc = &ec_ctx->nmvc; |
| mv[0].as_int = ref_mv[0].as_int; |
| read_mv(r, &mv[1].as_mv, |
| #if CONFIG_FLEX_MVRES |
| ref_mv[1].as_mv, |
| #else |
| &ref_mv[1].as_mv, |
| #endif |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmvc, |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| allow_hp); |
| #endif |
| assert(is_compound); |
| break; |
| } |
| case NEW_NEARMV: |
| #if CONFIG_OPTFLOW_REFINEMENT |
| case NEW_NEARMV_OPTFLOW: |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| { |
| nmv_context *const nmvc = &ec_ctx->nmvc; |
| assert(is_compound); |
| mv[1].as_int = ref_mv[1].as_int; |
| read_mv(r, &mv[0].as_mv, |
| #if CONFIG_FLEX_MVRES |
| ref_mv[0].as_mv, |
| #else |
| &ref_mv[0].as_mv, |
| #endif |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmvc, |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| allow_hp); |
| #endif |
| break; |
| } |
| case GLOBAL_GLOBALMV: { |
| assert(is_compound); |
| mv[0].as_int = |
| get_warp_motion_vector(xd, effective_global_motion(xd, ref_frame[0]), |
| #if CONFIG_FLEX_MVRES |
| features->fr_mv_precision, |
| #else |
| features->allow_high_precision_mv, |
| #endif |
| bsize, xd->mi_col, xd->mi_row |
| #if !CONFIG_FLEX_MVRES |
| , |
| features->cur_frame_force_integer_mv |
| #endif |
| ) |
| .as_int; |
| mv[1].as_int = |
| get_warp_motion_vector(xd, effective_global_motion(xd, ref_frame[1]), |
| #if CONFIG_FLEX_MVRES |
| features->fr_mv_precision, |
| #else |
| features->allow_high_precision_mv, |
| #endif |
| bsize, xd->mi_col, xd->mi_row |
| #if !CONFIG_FLEX_MVRES |
| , |
| features->cur_frame_force_integer_mv |
| #endif |
| ) |
| .as_int; |
| break; |
| } |
| #if CONFIG_JOINT_MVD |
| #if CONFIG_OPTFLOW_REFINEMENT |
| case JOINT_NEWMV_OPTFLOW: |
| #if IMPROVED_AMVD |
| case JOINT_AMVDNEWMV_OPTFLOW: |
| #endif // IMPROVED_AMVD |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| #if IMPROVED_AMVD |
| case JOINT_AMVDNEWMV: |
| #endif // IMPROVED_AMVD |
| case JOINT_NEWMV: { |
| nmv_context *const nmvc = &ec_ctx->nmvc; |
| assert(is_compound); |
| mv[1 - jmvd_base_ref_list].as_int = ref_mv[1 - jmvd_base_ref_list].as_int; |
| read_mv(r, &mv[jmvd_base_ref_list].as_mv, |
| #if CONFIG_FLEX_MVRES |
| ref_mv[jmvd_base_ref_list].as_mv, |
| #else |
| &ref_mv[jmvd_base_ref_list].as_mv, |
| #endif |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| nmvc, |
| #if CONFIG_FLEX_MVRES |
| precision); |
| #else |
| allow_hp); |
| #endif |
| sec_ref_dist = same_side ? sec_ref_dist : -sec_ref_dist; |
| MV other_mvd = { 0, 0 }; |
| MV diff = { 0, 0 }; |
| |
| #if CONFIG_FLEX_MVRES |
| MV low_prec_refmv = ref_mv[jmvd_base_ref_list].as_mv; |
| #if BUGFIX_AMVD_AMVR |
| if (!is_adaptive_mvd) |
| #endif // BUGFIX_AMVD_AMVR |
| #if CONFIG_C071_SUBBLK_WARPMV |
| if (precision < MV_PRECISION_HALF_PEL) |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| lower_mv_precision(&low_prec_refmv, precision); |
| diff.row = mv[jmvd_base_ref_list].as_mv.row - low_prec_refmv.row; |
| diff.col = mv[jmvd_base_ref_list].as_mv.col - low_prec_refmv.col; |
| #else |
| diff.row = mv[jmvd_base_ref_list].as_mv.row - |
| ref_mv[jmvd_base_ref_list].as_mv.row; |
| diff.col = mv[jmvd_base_ref_list].as_mv.col - |
| ref_mv[jmvd_base_ref_list].as_mv.col; |
| #endif |
| get_mv_projection(&other_mvd, diff, sec_ref_dist, first_ref_dist); |
| #if CONFIG_IMPROVED_JMVD |
| scale_other_mvd(&other_mvd, mbmi->jmvd_scale_mode, mbmi->mode); |
| #endif // CONFIG_IMPROVED_JMVD |
| #if !CONFIG_C071_SUBBLK_WARPMV |
| #if CONFIG_FLEX_MVRES |
| // TODO(Mohammed): Do we need to apply block level lower mv precision? |
| lower_mv_precision(&other_mvd, features->fr_mv_precision); |
| #else |
| lower_mv_precision(&other_mvd, |
| #if IMPROVED_AMVD |
| allow_hp & !is_adaptive_mvd, |
| #else |
| allow_hp, |
| #endif // IMPROVED_AMVD |
| features->cur_frame_force_integer_mv); |
| #endif |
| #endif // !CONFIG_C071_SUBBLK_WARPMV |
| mv[1 - jmvd_base_ref_list].as_mv.row = |
| (int)(ref_mv[1 - jmvd_base_ref_list].as_mv.row + other_mvd.row); |
| mv[1 - jmvd_base_ref_list].as_mv.col = |
| (int)(ref_mv[1 - jmvd_base_ref_list].as_mv.col + other_mvd.col); |
| break; |
| } |
| #endif // CONFIG_JOINT_MVD |
| default: { |
| return 0; |
| } |
| } |
| |
| int ret = is_mv_valid(&mv[0].as_mv); |
| if (is_compound) { |
| ret = ret && is_mv_valid(&mv[1].as_mv); |
| } |
| return ret; |
| } |
| |
| static int read_is_inter_block(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
| int segment_id, aom_reader *r |
| #if CONFIG_CONTEXT_DERIVATION |
| , |
| const int skip_txfm |
| #endif // CONFIG_CONTEXT_DERIVATION |
| ) { |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { |
| return 1; |
| } |
| const int ctx = av1_get_intra_inter_context(xd); |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| const int is_inter = |
| #if CONFIG_CONTEXT_DERIVATION |
| aom_read_symbol(r, ec_ctx->intra_inter_cdf[skip_txfm][ctx], 2, ACCT_STR); |
| #else |
| aom_read_symbol(r, ec_ctx->intra_inter_cdf[ctx], 2, ACCT_STR); |
| #endif // CONFIG_CONTEXT_DERIVATION |
| return is_inter; |
| } |
| |
| #if DEC_MISMATCH_DEBUG |
| static void dec_dump_logs(AV1_COMMON *cm, MB_MODE_INFO *const mbmi, int mi_row, |
| int mi_col, int16_t mode_ctx) { |
| int_mv mv[2] = { { 0 } }; |
| for (int ref = 0; ref < 1 + has_second_ref(mbmi); ++ref) |
| mv[ref].as_mv = mbmi->mv[ref].as_mv; |
| |
| const int16_t newmv_ctx = mode_ctx & NEWMV_CTX_MASK; |
| int16_t zeromv_ctx = -1; |
| int16_t refmv_ctx = -1; |
| if (mbmi->mode != NEWMV) { |
| zeromv_ctx = (mode_ctx >> GLOBALMV_OFFSET) & GLOBALMV_CTX_MASK; |
| if (mbmi->mode != GLOBALMV) |
| refmv_ctx = (mode_ctx >> REFMV_OFFSET) & REFMV_CTX_MASK; |
| } |
| |
| #define FRAME_TO_CHECK 11 |
| if (cm->current_frame.frame_number == FRAME_TO_CHECK && cm->show_frame == 1) { |
| printf( |
| "=== DECODER ===: " |
| "Frame=%d, (mi_row,mi_col)=(%d,%d), skip_mode=%d, mode=%d, bsize=%d, " |
| "show_frame=%d, mv[0]=(%d,%d), mv[1]=(%d,%d), ref[0]=%d, " |
| "ref[1]=%d, motion_mode=%d, mode_ctx=%d, " |
| "newmv_ctx=%d, zeromv_ctx=%d, refmv_ctx=%d, tx_size=%d\n", |
| cm->current_frame.frame_number, mi_row, mi_col, mbmi->skip_mode, |
| mbmi->mode, mbmi->sb_type, cm->show_frame, mv[0].as_mv.row, |
| mv[0].as_mv.col, mv[1].as_mv.row, mv[1].as_mv.col, mbmi->ref_frame[0], |
| mbmi->ref_frame[1], mbmi->motion_mode, mode_ctx, newmv_ctx, zeromv_ctx, |
| refmv_ctx, mbmi->tx_size); |
| } |
| } |
| #endif // DEC_MISMATCH_DEBUG |
| |
| #if CONFIG_FLEX_MVRES |
| MvSubpelPrecision av1_read_pb_mv_precision(AV1_COMMON *const cm, |
| MACROBLOCKD *const xd, |
| aom_reader *r) { |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| assert(mbmi->max_mv_precision == |
| av1_get_mbmi_max_mv_precision(cm, xd->sbi, mbmi)); |
| assert(mbmi->max_mv_precision >= MV_PRECISION_HALF_PEL); |
| const MvSubpelPrecision max_precision = mbmi->max_mv_precision; |
| const int down_ctx = av1_get_pb_mv_precision_down_context(cm, xd); |
| |
| assert(mbmi->most_probable_pb_mv_precision <= mbmi->max_mv_precision); |
| assert(mbmi->most_probable_pb_mv_precision == |
| cm->features.most_probable_fr_mv_precision); |
| |
| const int mpp_flag_context = av1_get_mpp_flag_context(cm, xd); |
| const int mpp_flag = aom_read_symbol( |
| r, xd->tile_ctx->pb_mv_mpp_flag_cdf[mpp_flag_context], 2, ACCT_STR); |
| if (mpp_flag) return mbmi->most_probable_pb_mv_precision; |
| const PRECISION_SET *precision_def = |
| &av1_mv_precision_sets[mbmi->mb_precision_set]; |
| int nsymbs = precision_def->num_precisions - 1; |
| int down = aom_read_symbol( |
| r, |
| xd->tile_ctx->pb_mv_precision_cdf[down_ctx] |
| [max_precision - MV_PRECISION_HALF_PEL], |
| nsymbs, ACCT_STR); |
| return av1_get_precision_from_index(mbmi, down); |
| } |
| #endif // CONFIG_FLEX_MVRES |
| |
| static void read_inter_block_mode_info(AV1Decoder *const pbi, |
| DecoderCodingBlock *dcb, |
| MB_MODE_INFO *const mbmi, |
| aom_reader *r) { |
| AV1_COMMON *const cm = &pbi->common; |
| FeatureFlags *const features = &cm->features; |
| const BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; |
| #if !CONFIG_FLEX_MVRES |
| const int allow_hp = features->allow_high_precision_mv; |
| #endif |
| int_mv ref_mv[2]; |
| int_mv ref_mvs[MODE_CTX_REF_FRAMES][MAX_MV_REF_CANDIDATES] = { { { 0 } } }; |
| int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES]; |
| int pts[SAMPLES_ARRAY_SIZE], pts_inref[SAMPLES_ARRAY_SIZE]; |
| MACROBLOCKD *const xd = &dcb->xd; |
| #if CONFIG_FLEX_MVRES |
| SB_INFO *sbi = xd->sbi; |
| #endif |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| |
| mbmi->uv_mode = UV_DC_PRED; |
| mbmi->palette_mode_info.palette_size[0] = 0; |
| mbmi->palette_mode_info.palette_size[1] = 0; |
| mbmi->fsc_mode[PLANE_TYPE_Y] = 0; |
| mbmi->fsc_mode[PLANE_TYPE_UV] = 0; |
| #if CONFIG_NEW_CONTEXT_MODELING |
| mbmi->use_intrabc[0] = 0; |
| mbmi->use_intrabc[1] = 0; |
| #endif // CONFIG_NEW_CONTEXT_MODELING |
| |
| #if CONFIG_FLEX_MVRES |
| set_default_max_mv_precision(mbmi, sbi->sb_mv_precision); |
| set_mv_precision(mbmi, mbmi->max_mv_precision); // initialize to max |
| set_default_precision_set(cm, mbmi, bsize); |
| set_most_probable_mv_precision(cm, mbmi, bsize); |
| #endif // CONFIG_FLEX_MVRES |
| |
| #if CONFIG_BAWP |
| mbmi->bawp_flag = 0; |
| #endif |
| |
| av1_collect_neighbors_ref_counts(xd); |
| |
| read_ref_frames(cm, xd, r, mbmi->segment_id, mbmi->ref_frame); |
| const int is_compound = has_second_ref(mbmi); |
| |
| const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame); |
| |
| #if CONFIG_WARP_REF_LIST |
| av1_initialize_warp_wrl_list(xd->warp_param_stack, |
| xd->valid_num_warp_candidates); |
| #endif // CONFIG_WARP_REF_LIST |
| |
| av1_find_mv_refs( |
| cm, xd, mbmi, ref_frame, dcb->ref_mv_count, xd->ref_mv_stack, xd->weight, |
| ref_mvs, /*global_mvs=*/NULL |
| #if !CONFIG_C076_INTER_MOD_CTX |
| , |
| inter_mode_ctx |
| #endif // !CONFIG_C076_INTER_MOD_CTX |
| #if CONFIG_WARP_REF_LIST |
| , |
| xd->warp_param_stack, |
| ref_frame < INTER_REFS_PER_FRAME ? MAX_WARP_REF_CANDIDATES : 0, |
| xd->valid_num_warp_candidates |
| #endif // CONFIG_WARP_REF_LIST |
| |
| ); |
| |
| #if CONFIG_C076_INTER_MOD_CTX |
| av1_find_mode_ctx(cm, xd, inter_mode_ctx, ref_frame); |
| #endif // CONFIG_C076_INTER_MOD_CTX |
| |
| mbmi->ref_mv_idx = 0; |
| #if CONFIG_WARP_REF_LIST |
| mbmi->warp_ref_idx = 0; |
| mbmi->max_num_warp_candidates = 0; |
| #endif // CONFIG_WARP_REF_LIST |
| |
| #if CONFIG_WARPMV |
| mbmi->motion_mode = SIMPLE_TRANSLATION; |
| WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES]; |
| WarpedMotionParams ref_warp_model; |
| #endif // CONFIG_WARPMV |
| if (mbmi->skip_mode) { |
| assert(is_compound); |
| #if CONFIG_SKIP_MODE_ENHANCEMENT && CONFIG_OPTFLOW_REFINEMENT |
| mbmi->mode = |
| (cm->features.opfl_refine_type ? NEAR_NEARMV_OPTFLOW : NEAR_NEARMV); |
| #else |
| mbmi->mode = NEAR_NEARMV; |
| #endif // CONFIG_SKIP_MODE_ENHANCEMENT && CONFIG_OPTFLOW_REFINEMENT |
| |
| #if CONFIG_SKIP_MODE_ENHANCEMENT |
| read_drl_idx(cm->features.max_drl_bits, |
| av1_mode_context_pristine(inter_mode_ctx, mbmi->ref_frame), |
| ec_ctx, dcb, mbmi, r); |
| #endif // CONFIG_SKIP_MODE_ENHANCEMENT |
| |
| #if CONFIG_SKIP_MODE_DRL_WITH_REF_IDX |
| mbmi->ref_frame[0] = |
| xd->skip_mvp_candidate_list.ref_frame0[mbmi->ref_mv_idx]; |
| mbmi->ref_frame[1] = |
| xd->skip_mvp_candidate_list.ref_frame1[mbmi->ref_mv_idx]; |
| #endif // CONFIG_SKIP_MODE_DRL_WITH_REF_IDX |
| } else { |
| if (segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP |