| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include "config/aom_config.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom_mem/aom_mem.h" |
| #include "av1/common/av1_common_int.h" |
| #include "av1/common/blockd.h" |
| #include "av1/common/entropy.h" |
| #include "av1/common/entropymode.h" |
| #include "av1/common/scan.h" |
| #include "av1/common/token_cdfs.h" |
| #include "av1/common/txb_common.h" |
| |
| static int get_q_ctx(int q) { |
| if (q <= 20) return 0; |
| if (q <= 60) return 1; |
| if (q <= 120) return 2; |
| return 3; |
| } |
| |
| void av1_default_coef_probs(AV1_COMMON *cm) { |
| const int index = get_q_ctx(cm->quant_params.base_qindex); |
| #if CONFIG_ENTROPY_STATS |
| cm->coef_cdf_category = index; |
| #endif |
| |
| av1_copy(cm->fc->txb_skip_cdf, av1_default_txb_skip_cdfs[index]); |
| av1_copy(cm->fc->eob_extra_cdf, av1_default_eob_extra_cdfs[index]); |
| av1_copy(cm->fc->dc_sign_cdf, av1_default_dc_sign_cdfs[index]); |
| av1_copy(cm->fc->coeff_br_cdf, av1_default_coeff_lps_multi_cdfs[index]); |
| av1_copy(cm->fc->coeff_base_cdf, av1_default_coeff_base_multi_cdfs[index]); |
| av1_copy(cm->fc->coeff_base_eob_cdf, |
| av1_default_coeff_base_eob_multi_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf16, av1_default_eob_multi16_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf32, av1_default_eob_multi32_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf64, av1_default_eob_multi64_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf128, av1_default_eob_multi128_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf256, av1_default_eob_multi256_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf512, av1_default_eob_multi512_cdfs[index]); |
| av1_copy(cm->fc->eob_flag_cdf1024, av1_default_eob_multi1024_cdfs[index]); |
| } |
| |
| static AOM_INLINE void reset_cdf_symbol_counter(aom_cdf_prob *cdf_ptr, |
| int num_cdfs, int cdf_stride, |
| int nsymbs) { |
| for (int i = 0; i < num_cdfs; i++) { |
| cdf_ptr[i * cdf_stride + nsymbs] = 0; |
| } |
| } |
| |
| #define RESET_CDF_COUNTER(cname, nsymbs) \ |
| RESET_CDF_COUNTER_STRIDE(cname, nsymbs, CDF_SIZE(nsymbs)) |
| |
| #define RESET_CDF_COUNTER_STRIDE(cname, nsymbs, cdf_stride) \ |
| do { \ |
| aom_cdf_prob *cdf_ptr = (aom_cdf_prob *)cname; \ |
| int array_size = (int)sizeof(cname) / sizeof(aom_cdf_prob); \ |
| int num_cdfs = array_size / cdf_stride; \ |
| reset_cdf_symbol_counter(cdf_ptr, num_cdfs, cdf_stride, nsymbs); \ |
| } while (0) |
| |
| static AOM_INLINE void reset_nmv_counter(nmv_context *nmv) { |
| RESET_CDF_COUNTER(nmv->joints_cdf, 4); |
| for (int i = 0; i < 2; i++) { |
| RESET_CDF_COUNTER(nmv->comps[i].classes_cdf, MV_CLASSES); |
| RESET_CDF_COUNTER(nmv->comps[i].class0_fp_cdf, MV_FP_SIZE); |
| RESET_CDF_COUNTER(nmv->comps[i].fp_cdf, MV_FP_SIZE); |
| RESET_CDF_COUNTER(nmv->comps[i].sign_cdf, 2); |
| RESET_CDF_COUNTER(nmv->comps[i].class0_hp_cdf, 2); |
| RESET_CDF_COUNTER(nmv->comps[i].hp_cdf, 2); |
| RESET_CDF_COUNTER(nmv->comps[i].class0_cdf, CLASS0_SIZE); |
| RESET_CDF_COUNTER(nmv->comps[i].bits_cdf, 2); |
| } |
| } |
| |
| void av1_reset_cdf_symbol_counters(FRAME_CONTEXT *fc) { |
| RESET_CDF_COUNTER(fc->txb_skip_cdf, 2); |
| RESET_CDF_COUNTER(fc->eob_extra_cdf, 2); |
| RESET_CDF_COUNTER(fc->dc_sign_cdf, 2); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf16, 5); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf32, 6); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf64, 7); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf128, 8); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf256, 9); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf512, 10); |
| RESET_CDF_COUNTER(fc->eob_flag_cdf1024, 11); |
| RESET_CDF_COUNTER(fc->coeff_base_eob_cdf, 3); |
| RESET_CDF_COUNTER(fc->coeff_base_cdf, 4); |
| RESET_CDF_COUNTER(fc->coeff_br_cdf, BR_CDF_SIZE); |
| RESET_CDF_COUNTER(fc->newmv_cdf, 2); |
| RESET_CDF_COUNTER(fc->zeromv_cdf, 2); |
| RESET_CDF_COUNTER(fc->refmv_cdf, 2); |
| RESET_CDF_COUNTER(fc->drl_cdf, 2); |
| RESET_CDF_COUNTER(fc->inter_compound_mode_cdf, INTER_COMPOUND_MODES); |
| RESET_CDF_COUNTER(fc->compound_type_cdf, MASKED_COMPOUND_TYPES); |
| RESET_CDF_COUNTER(fc->wedge_idx_cdf, 16); |
| RESET_CDF_COUNTER(fc->interintra_cdf, 2); |
| RESET_CDF_COUNTER(fc->wedge_interintra_cdf, 2); |
| RESET_CDF_COUNTER(fc->interintra_mode_cdf, INTERINTRA_MODES); |
| RESET_CDF_COUNTER(fc->motion_mode_cdf, MOTION_MODES); |
| RESET_CDF_COUNTER(fc->obmc_cdf, 2); |
| RESET_CDF_COUNTER(fc->palette_y_size_cdf, PALETTE_SIZES); |
| RESET_CDF_COUNTER(fc->palette_uv_size_cdf, PALETTE_SIZES); |
| for (int j = 0; j < PALETTE_SIZES; j++) { |
| int nsymbs = j + PALETTE_MIN_SIZE; |
| RESET_CDF_COUNTER_STRIDE(fc->palette_y_color_index_cdf[j], nsymbs, |
| CDF_SIZE(PALETTE_COLORS)); |
| RESET_CDF_COUNTER_STRIDE(fc->palette_uv_color_index_cdf[j], nsymbs, |
| CDF_SIZE(PALETTE_COLORS)); |
| } |
| RESET_CDF_COUNTER(fc->palette_y_mode_cdf, 2); |
| RESET_CDF_COUNTER(fc->palette_uv_mode_cdf, 2); |
| RESET_CDF_COUNTER(fc->comp_inter_cdf, 2); |
| RESET_CDF_COUNTER(fc->single_ref_cdf, 2); |
| RESET_CDF_COUNTER(fc->comp_ref_type_cdf, 2); |
| RESET_CDF_COUNTER(fc->uni_comp_ref_cdf, 2); |
| RESET_CDF_COUNTER(fc->comp_ref_cdf, 2); |
| RESET_CDF_COUNTER(fc->comp_bwdref_cdf, 2); |
| RESET_CDF_COUNTER(fc->txfm_partition_cdf, 2); |
| RESET_CDF_COUNTER(fc->compound_index_cdf, 2); |
| RESET_CDF_COUNTER(fc->comp_group_idx_cdf, 2); |
| RESET_CDF_COUNTER(fc->skip_mode_cdfs, 2); |
| RESET_CDF_COUNTER(fc->skip_txfm_cdfs, 2); |
| RESET_CDF_COUNTER(fc->intra_inter_cdf, 2); |
| reset_nmv_counter(&fc->nmvc); |
| reset_nmv_counter(&fc->ndvc); |
| RESET_CDF_COUNTER(fc->intrabc_cdf, 2); |
| RESET_CDF_COUNTER(fc->seg.pred_cdf, 2); |
| RESET_CDF_COUNTER(fc->seg.spatial_pred_seg_cdf, MAX_SEGMENTS); |
| RESET_CDF_COUNTER(fc->filter_intra_cdfs, 2); |
| RESET_CDF_COUNTER(fc->filter_intra_mode_cdf, FILTER_INTRA_MODES); |
| RESET_CDF_COUNTER(fc->switchable_restore_cdf, RESTORE_SWITCHABLE_TYPES); |
| RESET_CDF_COUNTER(fc->wiener_restore_cdf, 2); |
| RESET_CDF_COUNTER(fc->sgrproj_restore_cdf, 2); |
| RESET_CDF_COUNTER(fc->y_mode_cdf, INTRA_MODES); |
| RESET_CDF_COUNTER_STRIDE(fc->uv_mode_cdf[0], UV_INTRA_MODES - 1, |
| CDF_SIZE(UV_INTRA_MODES)); |
| RESET_CDF_COUNTER(fc->uv_mode_cdf[1], UV_INTRA_MODES); |
| for (int i = 0; i < PARTITION_CONTEXTS; i++) { |
| if (i < 4) { |
| RESET_CDF_COUNTER_STRIDE(fc->partition_cdf[i], 4, CDF_SIZE(10)); |
| } else if (i < 16) { |
| RESET_CDF_COUNTER(fc->partition_cdf[i], 10); |
| } else { |
| RESET_CDF_COUNTER_STRIDE(fc->partition_cdf[i], 8, CDF_SIZE(10)); |
| } |
| } |
| RESET_CDF_COUNTER(fc->switchable_interp_cdf, SWITCHABLE_FILTERS); |
| RESET_CDF_COUNTER(fc->kf_y_cdf, INTRA_MODES); |
| RESET_CDF_COUNTER(fc->angle_delta_cdf, 2 * MAX_ANGLE_DELTA + 1); |
| RESET_CDF_COUNTER_STRIDE(fc->tx_size_cdf[0], MAX_TX_DEPTH, |
| CDF_SIZE(MAX_TX_DEPTH + 1)); |
| RESET_CDF_COUNTER(fc->tx_size_cdf[1], MAX_TX_DEPTH + 1); |
| RESET_CDF_COUNTER(fc->tx_size_cdf[2], MAX_TX_DEPTH + 1); |
| RESET_CDF_COUNTER(fc->tx_size_cdf[3], MAX_TX_DEPTH + 1); |
| RESET_CDF_COUNTER(fc->delta_q_cdf, DELTA_Q_PROBS + 1); |
| RESET_CDF_COUNTER(fc->delta_lf_cdf, DELTA_LF_PROBS + 1); |
| for (int i = 0; i < FRAME_LF_COUNT; i++) { |
| RESET_CDF_COUNTER(fc->delta_lf_multi_cdf[i], DELTA_LF_PROBS + 1); |
| } |
| RESET_CDF_COUNTER_STRIDE(fc->intra_ext_tx_cdf[1], 7, CDF_SIZE(TX_TYPES)); |
| RESET_CDF_COUNTER_STRIDE(fc->intra_ext_tx_cdf[2], 5, CDF_SIZE(TX_TYPES)); |
| RESET_CDF_COUNTER_STRIDE(fc->inter_ext_tx_cdf[1], 16, CDF_SIZE(TX_TYPES)); |
| RESET_CDF_COUNTER_STRIDE(fc->inter_ext_tx_cdf[2], 12, CDF_SIZE(TX_TYPES)); |
| RESET_CDF_COUNTER_STRIDE(fc->inter_ext_tx_cdf[3], 2, CDF_SIZE(TX_TYPES)); |
| RESET_CDF_COUNTER(fc->cfl_sign_cdf, CFL_JOINT_SIGNS); |
| RESET_CDF_COUNTER(fc->cfl_alpha_cdf, CFL_ALPHABET_SIZE); |
| } |