| File: | root/firefox-clang/third_party/aom/av1/decoder/decodemv.c |
| Warning: | line 540, column 5 The first element of the 2nd argument is undefined |
| Note: | line 540, column 5 Other elements might also be undefined |
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| 1 | /* | |||
| 2 | * Copyright (c) 2016, Alliance for Open Media. All rights reserved. | |||
| 3 | * | |||
| 4 | * This source code is subject to the terms of the BSD 2 Clause License and | |||
| 5 | * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License | |||
| 6 | * was not distributed with this source code in the LICENSE file, you can | |||
| 7 | * obtain it at www.aomedia.org/license/software. If the Alliance for Open | |||
| 8 | * Media Patent License 1.0 was not distributed with this source code in the | |||
| 9 | * PATENTS file, you can obtain it at www.aomedia.org/license/patent. | |||
| 10 | */ | |||
| 11 | ||||
| 12 | #include <assert.h> | |||
| 13 | ||||
| 14 | #include "av1/common/cfl.h" | |||
| 15 | #include "av1/common/common.h" | |||
| 16 | #include "av1/common/entropy.h" | |||
| 17 | #include "av1/common/entropymode.h" | |||
| 18 | #include "av1/common/entropymv.h" | |||
| 19 | #include "av1/common/mvref_common.h" | |||
| 20 | #include "av1/common/pred_common.h" | |||
| 21 | #include "av1/common/reconinter.h" | |||
| 22 | #include "av1/common/reconintra.h" | |||
| 23 | #include "av1/common/seg_common.h" | |||
| 24 | #include "av1/common/warped_motion.h" | |||
| 25 | ||||
| 26 | #include "av1/decoder/decodeframe.h" | |||
| 27 | #include "av1/decoder/decodemv.h" | |||
| 28 | ||||
| 29 | #include "aom_dsp/aom_dsp_common.h" | |||
| 30 | #include "aom_ports/bitops.h" | |||
| 31 | ||||
| 32 | #define ACCT_STR__func__ __func__ | |||
| 33 | ||||
| 34 | #define DEC_MISMATCH_DEBUG0 0 | |||
| 35 | ||||
| 36 | static PREDICTION_MODE read_intra_mode(aom_reader *r, aom_cdf_prob *cdf) { | |||
| 37 | return (PREDICTION_MODE)aom_read_symbol(r, cdf, INTRA_MODES, ACCT_STR)aom_read_symbol_(r, cdf, INTRA_MODES ); | |||
| 38 | } | |||
| 39 | ||||
| 40 | static void read_cdef(AV1_COMMON *cm, aom_reader *r, MACROBLOCKD *const xd) { | |||
| 41 | const int skip_txfm = xd->mi[0]->skip_txfm; | |||
| 42 | if (cm->features.coded_lossless) return; | |||
| 43 | if (cm->features.allow_intrabc) { | |||
| 44 | assert(cm->cdef_info.cdef_bits == 0)((void) sizeof ((cm->cdef_info.cdef_bits == 0) ? 1 : 0), __extension__ ({ if (cm->cdef_info.cdef_bits == 0) ; else __assert_fail ("cm->cdef_info.cdef_bits == 0", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 44, __extension__ __PRETTY_FUNCTION__); })); | |||
| 45 | return; | |||
| 46 | } | |||
| 47 | ||||
| 48 | // At the start of a superblock, mark that we haven't yet read CDEF strengths | |||
| 49 | // for any of the CDEF units contained in this superblock. | |||
| 50 | const int sb_mask = (cm->seq_params->mib_size - 1); | |||
| 51 | const int mi_row_in_sb = (xd->mi_row & sb_mask); | |||
| 52 | const int mi_col_in_sb = (xd->mi_col & sb_mask); | |||
| 53 | if (mi_row_in_sb == 0 && mi_col_in_sb == 0) { | |||
| 54 | xd->cdef_transmitted[0] = xd->cdef_transmitted[1] = | |||
| 55 | xd->cdef_transmitted[2] = xd->cdef_transmitted[3] = false0; | |||
| 56 | } | |||
| 57 | ||||
| 58 | // CDEF unit size is 64x64 irrespective of the superblock size. | |||
| 59 | const int cdef_size = 1 << (6 - MI_SIZE_LOG22); | |||
| 60 | ||||
| 61 | // Find index of this CDEF unit in this superblock. | |||
| 62 | const int index_mask = cdef_size; | |||
| 63 | const int cdef_unit_row_in_sb = ((xd->mi_row & index_mask) != 0); | |||
| 64 | const int cdef_unit_col_in_sb = ((xd->mi_col & index_mask) != 0); | |||
| 65 | const int index = (cm->seq_params->sb_size == BLOCK_128X128) | |||
| 66 | ? cdef_unit_col_in_sb + 2 * cdef_unit_row_in_sb | |||
| 67 | : 0; | |||
| 68 | ||||
| 69 | // Read CDEF strength from the first non-skip coding block in this CDEF unit. | |||
| 70 | if (!xd->cdef_transmitted[index] && !skip_txfm) { | |||
| 71 | // CDEF strength for this CDEF unit needs to be read into the MB_MODE_INFO | |||
| 72 | // of the 1st block in this CDEF unit. | |||
| 73 | const int first_block_mask = ~(cdef_size - 1); | |||
| 74 | CommonModeInfoParams *const mi_params = &cm->mi_params; | |||
| 75 | const int grid_idx = | |||
| 76 | get_mi_grid_idx(mi_params, xd->mi_row & first_block_mask, | |||
| 77 | xd->mi_col & first_block_mask); | |||
| 78 | MB_MODE_INFO *const mbmi = mi_params->mi_grid_base[grid_idx]; | |||
| 79 | mbmi->cdef_strength = | |||
| 80 | aom_read_literal(r, cm->cdef_info.cdef_bits, ACCT_STR)aom_read_literal_(r, cm->cdef_info.cdef_bits ); | |||
| 81 | xd->cdef_transmitted[index] = true1; | |||
| 82 | } | |||
| 83 | } | |||
| 84 | ||||
| 85 | static int read_delta_qindex(AV1_COMMON *cm, const MACROBLOCKD *xd, | |||
| 86 | aom_reader *r, MB_MODE_INFO *const mbmi) { | |||
| 87 | int sign, abs, reduced_delta_qindex = 0; | |||
| 88 | BLOCK_SIZE bsize = mbmi->bsize; | |||
| 89 | const int b_col = xd->mi_col & (cm->seq_params->mib_size - 1); | |||
| 90 | const int b_row = xd->mi_row & (cm->seq_params->mib_size - 1); | |||
| 91 | const int read_delta_q_flag = (b_col == 0 && b_row == 0); | |||
| 92 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 93 | ||||
| 94 | if ((bsize != cm->seq_params->sb_size || mbmi->skip_txfm == 0) && | |||
| 95 | read_delta_q_flag) { | |||
| 96 | abs = aom_read_symbol(r, ec_ctx->delta_q_cdf, DELTA_Q_PROBS + 1, ACCT_STR)aom_read_symbol_(r, ec_ctx->delta_q_cdf, (3) + 1 ); | |||
| 97 | const int smallval = (abs < DELTA_Q_SMALL3); | |||
| 98 | ||||
| 99 | if (!smallval) { | |||
| 100 | const int rem_bits = aom_read_literal(r, 3, ACCT_STR)aom_read_literal_(r, 3 ) + 1; | |||
| 101 | const int thr = (1 << rem_bits) + 1; | |||
| 102 | abs = aom_read_literal(r, rem_bits, ACCT_STR)aom_read_literal_(r, rem_bits ) + thr; | |||
| 103 | } | |||
| 104 | ||||
| 105 | if (abs) { | |||
| 106 | sign = aom_read_bit(r, ACCT_STR)aom_read_bit_(r ); | |||
| 107 | } else { | |||
| 108 | sign = 1; | |||
| 109 | } | |||
| 110 | ||||
| 111 | reduced_delta_qindex = sign ? -abs : abs; | |||
| 112 | } | |||
| 113 | return reduced_delta_qindex; | |||
| 114 | } | |||
| 115 | static int read_delta_lflevel(const AV1_COMMON *const cm, aom_reader *r, | |||
| 116 | aom_cdf_prob *const cdf, | |||
| 117 | const MB_MODE_INFO *const mbmi, int mi_col, | |||
| 118 | int mi_row) { | |||
| 119 | int reduced_delta_lflevel = 0; | |||
| 120 | const BLOCK_SIZE bsize = mbmi->bsize; | |||
| 121 | const int b_col = mi_col & (cm->seq_params->mib_size - 1); | |||
| 122 | const int b_row = mi_row & (cm->seq_params->mib_size - 1); | |||
| 123 | const int read_delta_lf_flag = (b_col == 0 && b_row == 0); | |||
| 124 | ||||
| 125 | if ((bsize != cm->seq_params->sb_size || mbmi->skip_txfm == 0) && | |||
| 126 | read_delta_lf_flag) { | |||
| 127 | int abs = aom_read_symbol(r, cdf, DELTA_LF_PROBS + 1, ACCT_STR)aom_read_symbol_(r, cdf, (3) + 1 ); | |||
| 128 | const int smallval = (abs < DELTA_LF_SMALL3); | |||
| 129 | if (!smallval) { | |||
| 130 | const int rem_bits = aom_read_literal(r, 3, ACCT_STR)aom_read_literal_(r, 3 ) + 1; | |||
| 131 | const int thr = (1 << rem_bits) + 1; | |||
| 132 | abs = aom_read_literal(r, rem_bits, ACCT_STR)aom_read_literal_(r, rem_bits ) + thr; | |||
| 133 | } | |||
| 134 | const int sign = abs ? aom_read_bit(r, ACCT_STR)aom_read_bit_(r ) : 1; | |||
| 135 | reduced_delta_lflevel = sign ? -abs : abs; | |||
| 136 | } | |||
| 137 | return reduced_delta_lflevel; | |||
| 138 | } | |||
| 139 | ||||
| 140 | static UV_PREDICTION_MODE read_intra_mode_uv(FRAME_CONTEXT *ec_ctx, | |||
| 141 | aom_reader *r, | |||
| 142 | CFL_ALLOWED_TYPE cfl_allowed, | |||
| 143 | PREDICTION_MODE y_mode) { | |||
| 144 | const UV_PREDICTION_MODE uv_mode = | |||
| 145 | aom_read_symbol(r, ec_ctx->uv_mode_cdf[cfl_allowed][y_mode],aom_read_symbol_(r, ec_ctx->uv_mode_cdf[cfl_allowed][y_mode ], UV_INTRA_MODES - !cfl_allowed ) | |||
| 146 | UV_INTRA_MODES - !cfl_allowed, ACCT_STR)aom_read_symbol_(r, ec_ctx->uv_mode_cdf[cfl_allowed][y_mode ], UV_INTRA_MODES - !cfl_allowed ); | |||
| 147 | return uv_mode; | |||
| 148 | } | |||
| 149 | ||||
| 150 | static uint8_t read_cfl_alphas(FRAME_CONTEXT *const ec_ctx, aom_reader *r, | |||
| 151 | int8_t *signs_out) { | |||
| 152 | const int8_t joint_sign = | |||
| 153 | aom_read_symbol(r, ec_ctx->cfl_sign_cdf, CFL_JOINT_SIGNS, "cfl:signs")aom_read_symbol_(r, ec_ctx->cfl_sign_cdf, (CFL_SIGNS * CFL_SIGNS - 1) ); | |||
| 154 | uint8_t idx = 0; | |||
| 155 | // Magnitudes are only coded for nonzero values | |||
| 156 | if (CFL_SIGN_U(joint_sign)(((joint_sign + 1) * 11) >> 5) != CFL_SIGN_ZERO) { | |||
| 157 | aom_cdf_prob *cdf_u = ec_ctx->cfl_alpha_cdf[CFL_CONTEXT_U(joint_sign)(joint_sign + 1 - CFL_SIGNS)]; | |||
| 158 | idx = (uint8_t)aom_read_symbol(r, cdf_u, CFL_ALPHABET_SIZE, "cfl:alpha_u")aom_read_symbol_(r, cdf_u, (1 << 4) ) | |||
| 159 | << CFL_ALPHABET_SIZE_LOG24; | |||
| 160 | } | |||
| 161 | if (CFL_SIGN_V(joint_sign)((joint_sign + 1) - CFL_SIGNS * (((joint_sign + 1) * 11) >> 5)) != CFL_SIGN_ZERO) { | |||
| 162 | aom_cdf_prob *cdf_v = ec_ctx->cfl_alpha_cdf[CFL_CONTEXT_V(joint_sign)(((joint_sign + 1) - CFL_SIGNS * (((joint_sign + 1) * 11) >> 5)) * CFL_SIGNS + (((joint_sign + 1) * 11) >> 5) - CFL_SIGNS )]; | |||
| 163 | idx += (uint8_t)aom_read_symbol(r, cdf_v, CFL_ALPHABET_SIZE, "cfl:alpha_v")aom_read_symbol_(r, cdf_v, (1 << 4) ); | |||
| 164 | } | |||
| 165 | *signs_out = joint_sign; | |||
| 166 | return idx; | |||
| 167 | } | |||
| 168 | ||||
| 169 | static INTERINTRA_MODE read_interintra_mode(MACROBLOCKD *xd, aom_reader *r, | |||
| 170 | int size_group) { | |||
| 171 | const INTERINTRA_MODE ii_mode = (INTERINTRA_MODE)aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->interintra_mode_cdf[size_group ], INTERINTRA_MODES ) | |||
| 172 | r, xd->tile_ctx->interintra_mode_cdf[size_group], INTERINTRA_MODES,aom_read_symbol_(r, xd->tile_ctx->interintra_mode_cdf[size_group ], INTERINTRA_MODES ) | |||
| 173 | ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->interintra_mode_cdf[size_group ], INTERINTRA_MODES ); | |||
| 174 | return ii_mode; | |||
| 175 | } | |||
| 176 | ||||
| 177 | static PREDICTION_MODE read_inter_mode(FRAME_CONTEXT *ec_ctx, aom_reader *r, | |||
| 178 | int16_t ctx) { | |||
| 179 | int16_t mode_ctx = ctx & NEWMV_CTX_MASK((1 << 3) - 1); | |||
| 180 | int is_newmv, is_zeromv, is_refmv; | |||
| 181 | is_newmv = aom_read_symbol(r, ec_ctx->newmv_cdf[mode_ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->newmv_cdf[mode_ctx], 2 ) == 0; | |||
| 182 | if (is_newmv) return NEWMV; | |||
| 183 | ||||
| 184 | mode_ctx = (ctx >> GLOBALMV_OFFSET3) & GLOBALMV_CTX_MASK((1 << (4 - 3)) - 1); | |||
| 185 | is_zeromv = | |||
| 186 | aom_read_symbol(r, ec_ctx->zeromv_cdf[mode_ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->zeromv_cdf[mode_ctx], 2 ) == 0; | |||
| 187 | if (is_zeromv) return GLOBALMV; | |||
| 188 | ||||
| 189 | mode_ctx = (ctx >> REFMV_OFFSET4) & REFMV_CTX_MASK((1 << (8 - 4)) - 1); | |||
| 190 | is_refmv = aom_read_symbol(r, ec_ctx->refmv_cdf[mode_ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->refmv_cdf[mode_ctx], 2 ) == 0; | |||
| 191 | if (is_refmv) | |||
| 192 | return NEARESTMV; | |||
| 193 | else | |||
| 194 | return NEARMV; | |||
| 195 | } | |||
| 196 | ||||
| 197 | static void read_drl_idx(FRAME_CONTEXT *ec_ctx, DecoderCodingBlock *dcb, | |||
| 198 | MB_MODE_INFO *mbmi, aom_reader *r) { | |||
| 199 | MACROBLOCKD *const xd = &dcb->xd; | |||
| 200 | uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); | |||
| 201 | mbmi->ref_mv_idx = 0; | |||
| 202 | if (mbmi->mode == NEWMV || mbmi->mode == NEW_NEWMV) { | |||
| 203 | for (int idx = 0; idx < 2; ++idx) { | |||
| 204 | if (dcb->ref_mv_count[ref_frame_type] > idx + 1) { | |||
| 205 | uint8_t drl_ctx = av1_drl_ctx(xd->weight[ref_frame_type], idx); | |||
| 206 | int drl_idx = aom_read_symbol(r, ec_ctx->drl_cdf[drl_ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->drl_cdf[drl_ctx], 2 ); | |||
| 207 | mbmi->ref_mv_idx = idx + drl_idx; | |||
| 208 | if (!drl_idx) return; | |||
| 209 | } | |||
| 210 | } | |||
| 211 | } | |||
| 212 | if (have_nearmv_in_inter_mode(mbmi->mode)) { | |||
| 213 | // Offset the NEARESTMV mode. | |||
| 214 | // TODO(jingning): Unify the two syntax decoding loops after the NEARESTMV | |||
| 215 | // mode is factored in. | |||
| 216 | for (int idx = 1; idx < 3; ++idx) { | |||
| 217 | if (dcb->ref_mv_count[ref_frame_type] > idx + 1) { | |||
| 218 | uint8_t drl_ctx = av1_drl_ctx(xd->weight[ref_frame_type], idx); | |||
| 219 | int drl_idx = aom_read_symbol(r, ec_ctx->drl_cdf[drl_ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->drl_cdf[drl_ctx], 2 ); | |||
| 220 | mbmi->ref_mv_idx = idx + drl_idx - 1; | |||
| 221 | if (!drl_idx) return; | |||
| 222 | } | |||
| 223 | } | |||
| 224 | } | |||
| 225 | } | |||
| 226 | ||||
| 227 | static MOTION_MODE read_motion_mode(AV1_COMMON *cm, MACROBLOCKD *xd, | |||
| 228 | MB_MODE_INFO *mbmi, aom_reader *r) { | |||
| 229 | if (cm->features.switchable_motion_mode == 0) return SIMPLE_TRANSLATION; | |||
| 230 | if (mbmi->skip_mode) return SIMPLE_TRANSLATION; | |||
| 231 | ||||
| 232 | const MOTION_MODE last_motion_mode_allowed = motion_mode_allowed( | |||
| 233 | xd->global_motion, xd, mbmi, cm->features.allow_warped_motion); | |||
| 234 | int motion_mode; | |||
| 235 | ||||
| 236 | if (last_motion_mode_allowed == SIMPLE_TRANSLATION) return SIMPLE_TRANSLATION; | |||
| 237 | ||||
| 238 | if (last_motion_mode_allowed == OBMC_CAUSAL) { | |||
| 239 | motion_mode = | |||
| 240 | aom_read_symbol(r, xd->tile_ctx->obmc_cdf[mbmi->bsize], 2, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->obmc_cdf[mbmi->bsize ], 2 ); | |||
| 241 | return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); | |||
| 242 | } else { | |||
| 243 | motion_mode = aom_read_symbol(r, xd->tile_ctx->motion_mode_cdf[mbmi->bsize],aom_read_symbol_(r, xd->tile_ctx->motion_mode_cdf[mbmi-> bsize], MOTION_MODES ) | |||
| 244 | MOTION_MODES, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->motion_mode_cdf[mbmi-> bsize], MOTION_MODES ); | |||
| 245 | return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); | |||
| 246 | } | |||
| 247 | } | |||
| 248 | ||||
| 249 | static PREDICTION_MODE read_inter_compound_mode(MACROBLOCKD *xd, aom_reader *r, | |||
| 250 | int16_t ctx) { | |||
| 251 | const int mode = | |||
| 252 | aom_read_symbol(r, xd->tile_ctx->inter_compound_mode_cdf[ctx],aom_read_symbol_(r, xd->tile_ctx->inter_compound_mode_cdf [ctx], (1 + NEW_NEWMV - NEAREST_NEARESTMV) ) | |||
| 253 | INTER_COMPOUND_MODES, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->inter_compound_mode_cdf [ctx], (1 + NEW_NEWMV - NEAREST_NEARESTMV) ); | |||
| 254 | assert(is_inter_compound_mode(NEAREST_NEARESTMV + mode))((void) sizeof ((is_inter_compound_mode(NEAREST_NEARESTMV + mode )) ? 1 : 0), __extension__ ({ if (is_inter_compound_mode(NEAREST_NEARESTMV + mode)) ; else __assert_fail ("is_inter_compound_mode(NEAREST_NEARESTMV + mode)" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 254, __extension__ __PRETTY_FUNCTION__); })); | |||
| 255 | return NEAREST_NEARESTMV + mode; | |||
| 256 | } | |||
| 257 | ||||
| 258 | int av1_neg_deinterleave(int diff, int ref, int max) { | |||
| 259 | if (!ref) return diff; | |||
| 260 | if (ref >= (max - 1)) return max - diff - 1; | |||
| 261 | if (2 * ref < max) { | |||
| 262 | if (diff <= 2 * ref) { | |||
| 263 | if (diff & 1) | |||
| 264 | return ref + ((diff + 1) >> 1); | |||
| 265 | else | |||
| 266 | return ref - (diff >> 1); | |||
| 267 | } | |||
| 268 | return diff; | |||
| 269 | } else { | |||
| 270 | if (diff <= 2 * (max - ref - 1)) { | |||
| 271 | if (diff & 1) | |||
| 272 | return ref + ((diff + 1) >> 1); | |||
| 273 | else | |||
| 274 | return ref - (diff >> 1); | |||
| 275 | } | |||
| 276 | return max - (diff + 1); | |||
| 277 | } | |||
| 278 | } | |||
| 279 | ||||
| 280 | static int read_segment_id(AV1_COMMON *const cm, const MACROBLOCKD *const xd, | |||
| 281 | aom_reader *r, int skip) { | |||
| 282 | int cdf_num; | |||
| 283 | const uint8_t pred = av1_get_spatial_seg_pred(cm, xd, &cdf_num, 0); | |||
| 284 | if (skip) return pred; | |||
| 285 | ||||
| 286 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 287 | struct segmentation *const seg = &cm->seg; | |||
| 288 | struct segmentation_probs *const segp = &ec_ctx->seg; | |||
| 289 | aom_cdf_prob *pred_cdf = segp->spatial_pred_seg_cdf[cdf_num]; | |||
| 290 | const int coded_id = aom_read_symbol(r, pred_cdf, MAX_SEGMENTS, ACCT_STR)aom_read_symbol_(r, pred_cdf, 8 ); | |||
| 291 | const int segment_id = | |||
| 292 | av1_neg_deinterleave(coded_id, pred, seg->last_active_segid + 1); | |||
| 293 | ||||
| 294 | if (segment_id < 0 || segment_id > seg->last_active_segid) { | |||
| 295 | aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, | |||
| 296 | "Corrupted segment_ids"); | |||
| 297 | } | |||
| 298 | return segment_id; | |||
| 299 | } | |||
| 300 | ||||
| 301 | static int dec_get_segment_id(const AV1_COMMON *cm, const uint8_t *segment_ids, | |||
| 302 | int mi_offset, int x_mis, int y_mis) { | |||
| 303 | int segment_id = INT_MAX2147483647; | |||
| 304 | ||||
| 305 | for (int y = 0; y < y_mis; y++) | |||
| 306 | for (int x = 0; x < x_mis; x++) | |||
| 307 | segment_id = AOMMIN((((segment_id) < (segment_ids[mi_offset + y * cm->mi_params .mi_cols + x])) ? (segment_id) : (segment_ids[mi_offset + y * cm->mi_params.mi_cols + x])) | |||
| 308 | segment_id, segment_ids[mi_offset + y * cm->mi_params.mi_cols + x])(((segment_id) < (segment_ids[mi_offset + y * cm->mi_params .mi_cols + x])) ? (segment_id) : (segment_ids[mi_offset + y * cm->mi_params.mi_cols + x])); | |||
| 309 | ||||
| 310 | assert(segment_id >= 0 && segment_id < MAX_SEGMENTS)((void) sizeof ((segment_id >= 0 && segment_id < 8) ? 1 : 0), __extension__ ({ if (segment_id >= 0 && segment_id < 8) ; else __assert_fail ("segment_id >= 0 && segment_id < MAX_SEGMENTS" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 310, __extension__ __PRETTY_FUNCTION__); })); | |||
| 311 | return segment_id; | |||
| 312 | } | |||
| 313 | ||||
| 314 | static int read_intra_segment_id(AV1_COMMON *const cm, | |||
| 315 | const MACROBLOCKD *const xd, BLOCK_SIZE bsize, | |||
| 316 | aom_reader *r, int skip) { | |||
| 317 | struct segmentation *const seg = &cm->seg; | |||
| 318 | if (!seg->enabled) return 0; // Default for disabled segmentation | |||
| 319 | assert(seg->update_map && !seg->temporal_update)((void) sizeof ((seg->update_map && !seg->temporal_update ) ? 1 : 0), __extension__ ({ if (seg->update_map && !seg->temporal_update) ; else __assert_fail ("seg->update_map && !seg->temporal_update" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 319, __extension__ __PRETTY_FUNCTION__); })); | |||
| 320 | ||||
| 321 | const CommonModeInfoParams *const mi_params = &cm->mi_params; | |||
| 322 | const int mi_row = xd->mi_row; | |||
| 323 | const int mi_col = xd->mi_col; | |||
| 324 | const int mi_stride = cm->mi_params.mi_cols; | |||
| 325 | const int mi_offset = mi_row * mi_stride + mi_col; | |||
| 326 | const int bw = mi_size_wide[bsize]; | |||
| 327 | const int bh = mi_size_high[bsize]; | |||
| 328 | const int x_mis = AOMMIN(mi_params->mi_cols - mi_col, bw)(((mi_params->mi_cols - mi_col) < (bw)) ? (mi_params-> mi_cols - mi_col) : (bw)); | |||
| 329 | const int y_mis = AOMMIN(mi_params->mi_rows - mi_row, bh)(((mi_params->mi_rows - mi_row) < (bh)) ? (mi_params-> mi_rows - mi_row) : (bh)); | |||
| 330 | const int segment_id = read_segment_id(cm, xd, r, skip); | |||
| 331 | set_segment_id(cm->cur_frame->seg_map, mi_offset, x_mis, y_mis, mi_stride, | |||
| 332 | segment_id); | |||
| 333 | return segment_id; | |||
| 334 | } | |||
| 335 | ||||
| 336 | static void copy_segment_id(const CommonModeInfoParams *const mi_params, | |||
| 337 | const uint8_t *last_segment_ids, | |||
| 338 | uint8_t *current_segment_ids, int mi_offset, | |||
| 339 | int x_mis, int y_mis) { | |||
| 340 | const int stride = mi_params->mi_cols; | |||
| 341 | if (last_segment_ids) { | |||
| 342 | assert(last_segment_ids != current_segment_ids)((void) sizeof ((last_segment_ids != current_segment_ids) ? 1 : 0), __extension__ ({ if (last_segment_ids != current_segment_ids ) ; else __assert_fail ("last_segment_ids != current_segment_ids" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 342, __extension__ __PRETTY_FUNCTION__); })); | |||
| 343 | for (int y = 0; y < y_mis; y++) { | |||
| 344 | memcpy(¤t_segment_ids[mi_offset + y * stride], | |||
| 345 | &last_segment_ids[mi_offset + y * stride], | |||
| 346 | sizeof(current_segment_ids[0]) * x_mis); | |||
| 347 | } | |||
| 348 | } else { | |||
| 349 | for (int y = 0; y < y_mis; y++) { | |||
| 350 | memset(¤t_segment_ids[mi_offset + y * stride], 0, | |||
| 351 | sizeof(current_segment_ids[0]) * x_mis); | |||
| 352 | } | |||
| 353 | } | |||
| 354 | } | |||
| 355 | ||||
| 356 | static int get_predicted_segment_id(AV1_COMMON *const cm, int mi_offset, | |||
| 357 | int x_mis, int y_mis) { | |||
| 358 | return cm->last_frame_seg_map ? dec_get_segment_id(cm, cm->last_frame_seg_map, | |||
| 359 | mi_offset, x_mis, y_mis) | |||
| 360 | : 0; | |||
| 361 | } | |||
| 362 | ||||
| 363 | static int read_inter_segment_id(AV1_COMMON *const cm, MACROBLOCKD *const xd, | |||
| 364 | int preskip, aom_reader *r) { | |||
| 365 | struct segmentation *const seg = &cm->seg; | |||
| 366 | const CommonModeInfoParams *const mi_params = &cm->mi_params; | |||
| 367 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 368 | const int mi_row = xd->mi_row; | |||
| 369 | const int mi_col = xd->mi_col; | |||
| 370 | const int mi_offset = mi_row * mi_params->mi_cols + mi_col; | |||
| 371 | const int bw = mi_size_wide[mbmi->bsize]; | |||
| 372 | const int bh = mi_size_high[mbmi->bsize]; | |||
| 373 | ||||
| 374 | // TODO(slavarnway): move x_mis, y_mis into xd ????? | |||
| 375 | const int x_mis = AOMMIN(mi_params->mi_cols - mi_col, bw)(((mi_params->mi_cols - mi_col) < (bw)) ? (mi_params-> mi_cols - mi_col) : (bw)); | |||
| 376 | const int y_mis = AOMMIN(mi_params->mi_rows - mi_row, bh)(((mi_params->mi_rows - mi_row) < (bh)) ? (mi_params-> mi_rows - mi_row) : (bh)); | |||
| 377 | ||||
| 378 | if (!seg->enabled) return 0; // Default for disabled segmentation | |||
| 379 | ||||
| 380 | if (!seg->update_map) { | |||
| 381 | copy_segment_id(mi_params, cm->last_frame_seg_map, cm->cur_frame->seg_map, | |||
| 382 | mi_offset, x_mis, y_mis); | |||
| 383 | return get_predicted_segment_id(cm, mi_offset, x_mis, y_mis); | |||
| 384 | } | |||
| 385 | ||||
| 386 | uint8_t segment_id; | |||
| 387 | const int mi_stride = cm->mi_params.mi_cols; | |||
| 388 | if (preskip) { | |||
| 389 | if (!seg->segid_preskip) return 0; | |||
| 390 | } else { | |||
| 391 | if (mbmi->skip_txfm) { | |||
| 392 | if (seg->temporal_update) { | |||
| 393 | mbmi->seg_id_predicted = 0; | |||
| 394 | } | |||
| 395 | segment_id = read_segment_id(cm, xd, r, 1); | |||
| 396 | set_segment_id(cm->cur_frame->seg_map, mi_offset, x_mis, y_mis, mi_stride, | |||
| 397 | segment_id); | |||
| 398 | return segment_id; | |||
| 399 | } | |||
| 400 | } | |||
| 401 | ||||
| 402 | if (seg->temporal_update) { | |||
| 403 | const uint8_t ctx = av1_get_pred_context_seg_id(xd); | |||
| 404 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 405 | struct segmentation_probs *const segp = &ec_ctx->seg; | |||
| 406 | aom_cdf_prob *pred_cdf = segp->pred_cdf[ctx]; | |||
| 407 | mbmi->seg_id_predicted = aom_read_symbol(r, pred_cdf, 2, ACCT_STR)aom_read_symbol_(r, pred_cdf, 2 ); | |||
| 408 | if (mbmi->seg_id_predicted) { | |||
| 409 | segment_id = get_predicted_segment_id(cm, mi_offset, x_mis, y_mis); | |||
| 410 | } else { | |||
| 411 | segment_id = read_segment_id(cm, xd, r, 0); | |||
| 412 | } | |||
| 413 | } else { | |||
| 414 | segment_id = read_segment_id(cm, xd, r, 0); | |||
| 415 | } | |||
| 416 | set_segment_id(cm->cur_frame->seg_map, mi_offset, x_mis, y_mis, mi_stride, | |||
| 417 | segment_id); | |||
| 418 | return segment_id; | |||
| 419 | } | |||
| 420 | ||||
| 421 | static int read_skip_mode(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, | |||
| 422 | aom_reader *r) { | |||
| 423 | if (!cm->current_frame.skip_mode_info.skip_mode_flag) return 0; | |||
| 424 | ||||
| 425 | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { | |||
| 426 | return 0; | |||
| 427 | } | |||
| 428 | ||||
| 429 | if (!is_comp_ref_allowed(xd->mi[0]->bsize)) return 0; | |||
| 430 | ||||
| 431 | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME) || | |||
| 432 | segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { | |||
| 433 | // These features imply single-reference mode, while skip mode implies | |||
| 434 | // compound reference. Hence, the two are mutually exclusive. | |||
| 435 | // In other words, skip_mode is implicitly 0 here. | |||
| 436 | return 0; | |||
| 437 | } | |||
| 438 | ||||
| 439 | const int ctx = av1_get_skip_mode_context(xd); | |||
| 440 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 441 | const int skip_mode = | |||
| 442 | aom_read_symbol(r, ec_ctx->skip_mode_cdfs[ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->skip_mode_cdfs[ctx], 2 ); | |||
| 443 | return skip_mode; | |||
| 444 | } | |||
| 445 | ||||
| 446 | static int read_skip_txfm(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, | |||
| 447 | aom_reader *r) { | |||
| 448 | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { | |||
| 449 | return 1; | |||
| 450 | } else { | |||
| 451 | const int ctx = av1_get_skip_txfm_context(xd); | |||
| 452 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 453 | const int skip_txfm = | |||
| 454 | aom_read_symbol(r, ec_ctx->skip_txfm_cdfs[ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->skip_txfm_cdfs[ctx], 2 ); | |||
| 455 | return skip_txfm; | |||
| 456 | } | |||
| 457 | } | |||
| 458 | ||||
| 459 | // Merge the sorted list of cached colors(cached_colors[0...n_cached_colors-1]) | |||
| 460 | // and the sorted list of transmitted colors(colors[n_cached_colors...n-1]) into | |||
| 461 | // one single sorted list(colors[...]). | |||
| 462 | static void merge_colors(uint16_t *colors, uint16_t *cached_colors, | |||
| 463 | int n_colors, int n_cached_colors) { | |||
| 464 | if (n_cached_colors == 0) return; | |||
| 465 | int cache_idx = 0, trans_idx = n_cached_colors; | |||
| 466 | for (int i = 0; i < n_colors; ++i) { | |||
| 467 | if (cache_idx < n_cached_colors && | |||
| 468 | (trans_idx >= n_colors || | |||
| 469 | cached_colors[cache_idx] <= colors[trans_idx])) { | |||
| 470 | colors[i] = cached_colors[cache_idx++]; | |||
| 471 | } else { | |||
| 472 | assert(trans_idx < n_colors)((void) sizeof ((trans_idx < n_colors) ? 1 : 0), __extension__ ({ if (trans_idx < n_colors) ; else __assert_fail ("trans_idx < n_colors" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 472, __extension__ __PRETTY_FUNCTION__); })); | |||
| 473 | colors[i] = colors[trans_idx++]; | |||
| 474 | } | |||
| 475 | } | |||
| 476 | } | |||
| 477 | ||||
| 478 | static void read_palette_colors_y(MACROBLOCKD *const xd, int bit_depth, | |||
| 479 | PALETTE_MODE_INFO *const pmi, aom_reader *r) { | |||
| 480 | uint16_t color_cache[2 * PALETTE_MAX_SIZE8]; | |||
| 481 | uint16_t cached_colors[PALETTE_MAX_SIZE8]; | |||
| 482 | const int n_cache = av1_get_palette_cache(xd, 0, color_cache); | |||
| 483 | const int n = pmi->palette_size[0]; | |||
| 484 | int idx = 0; | |||
| 485 | for (int i = 0; i < n_cache && idx < n; ++i) | |||
| 486 | if (aom_read_bit(r, ACCT_STR)aom_read_bit_(r )) cached_colors[idx++] = color_cache[i]; | |||
| 487 | if (idx < n) { | |||
| 488 | const int n_cached_colors = idx; | |||
| 489 | pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR)aom_read_literal_(r, bit_depth ); | |||
| 490 | if (idx < n) { | |||
| 491 | const int min_bits = bit_depth - 3; | |||
| 492 | int bits = min_bits + aom_read_literal(r, 2, ACCT_STR)aom_read_literal_(r, 2 ); | |||
| 493 | int range = (1 << bit_depth) - pmi->palette_colors[idx - 1] - 1; | |||
| 494 | for (; idx < n; ++idx) { | |||
| 495 | assert(range >= 0)((void) sizeof ((range >= 0) ? 1 : 0), __extension__ ({ if (range >= 0) ; else __assert_fail ("range >= 0", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 495, __extension__ __PRETTY_FUNCTION__); })); | |||
| 496 | const int delta = aom_read_literal(r, bits, ACCT_STR)aom_read_literal_(r, bits ) + 1; | |||
| 497 | pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, | |||
| 498 | 0, (1 << bit_depth) - 1); | |||
| 499 | range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); | |||
| 500 | bits = AOMMIN(bits, aom_ceil_log2(range))(((bits) < (aom_ceil_log2(range))) ? (bits) : (aom_ceil_log2 (range))); | |||
| 501 | } | |||
| 502 | } | |||
| 503 | merge_colors(pmi->palette_colors, cached_colors, n, n_cached_colors); | |||
| 504 | } else { | |||
| 505 | memcpy(pmi->palette_colors, cached_colors, n * sizeof(cached_colors[0])); | |||
| 506 | } | |||
| 507 | } | |||
| 508 | ||||
| 509 | static void read_palette_colors_uv(MACROBLOCKD *const xd, int bit_depth, | |||
| 510 | PALETTE_MODE_INFO *const pmi, | |||
| 511 | aom_reader *r) { | |||
| 512 | const int n = pmi->palette_size[1]; | |||
| 513 | // U channel colors. | |||
| 514 | uint16_t color_cache[2 * PALETTE_MAX_SIZE8]; | |||
| 515 | uint16_t cached_colors[PALETTE_MAX_SIZE8]; | |||
| 516 | const int n_cache = av1_get_palette_cache(xd, 1, color_cache); | |||
| 517 | int idx = 0; | |||
| 518 | for (int i = 0; i < n_cache && idx < n; ++i) | |||
| 519 | if (aom_read_bit(r, ACCT_STR)aom_read_bit_(r )) cached_colors[idx++] = color_cache[i]; | |||
| 520 | if (idx < n) { | |||
| 521 | const int n_cached_colors = idx; | |||
| 522 | idx += PALETTE_MAX_SIZE8; | |||
| 523 | pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR)aom_read_literal_(r, bit_depth ); | |||
| 524 | if (idx < PALETTE_MAX_SIZE8 + n) { | |||
| 525 | const int min_bits = bit_depth - 3; | |||
| 526 | int bits = min_bits + aom_read_literal(r, 2, ACCT_STR)aom_read_literal_(r, 2 ); | |||
| 527 | int range = (1 << bit_depth) - pmi->palette_colors[idx - 1]; | |||
| 528 | for (; idx < PALETTE_MAX_SIZE8 + n; ++idx) { | |||
| 529 | assert(range >= 0)((void) sizeof ((range >= 0) ? 1 : 0), __extension__ ({ if (range >= 0) ; else __assert_fail ("range >= 0", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 529, __extension__ __PRETTY_FUNCTION__); })); | |||
| 530 | const int delta = aom_read_literal(r, bits, ACCT_STR)aom_read_literal_(r, bits ); | |||
| 531 | pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, | |||
| 532 | 0, (1 << bit_depth) - 1); | |||
| 533 | range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); | |||
| 534 | bits = AOMMIN(bits, aom_ceil_log2(range))(((bits) < (aom_ceil_log2(range))) ? (bits) : (aom_ceil_log2 (range))); | |||
| 535 | } | |||
| 536 | } | |||
| 537 | merge_colors(pmi->palette_colors + PALETTE_MAX_SIZE8, cached_colors, n, | |||
| 538 | n_cached_colors); | |||
| 539 | } else { | |||
| 540 | memcpy(pmi->palette_colors + PALETTE_MAX_SIZE8, cached_colors, | |||
Other elements might also be undefined | ||||
| ||||
| 541 | n * sizeof(cached_colors[0])); | |||
| 542 | } | |||
| 543 | ||||
| 544 | // V channel colors. | |||
| 545 | if (aom_read_bit(r, ACCT_STR)aom_read_bit_(r )) { // Delta encoding. | |||
| 546 | const int min_bits_v = bit_depth - 4; | |||
| 547 | const int max_val = 1 << bit_depth; | |||
| 548 | int bits = min_bits_v + aom_read_literal(r, 2, ACCT_STR)aom_read_literal_(r, 2 ); | |||
| 549 | pmi->palette_colors[2 * PALETTE_MAX_SIZE8] = | |||
| 550 | aom_read_literal(r, bit_depth, ACCT_STR)aom_read_literal_(r, bit_depth ); | |||
| 551 | for (int i = 1; i < n; ++i) { | |||
| 552 | int delta = aom_read_literal(r, bits, ACCT_STR)aom_read_literal_(r, bits ); | |||
| 553 | if (delta && aom_read_bit(r, ACCT_STR)aom_read_bit_(r )) delta = -delta; | |||
| 554 | int val = (int)pmi->palette_colors[2 * PALETTE_MAX_SIZE8 + i - 1] + delta; | |||
| 555 | if (val < 0) val += max_val; | |||
| 556 | if (val >= max_val) val -= max_val; | |||
| 557 | pmi->palette_colors[2 * PALETTE_MAX_SIZE8 + i] = val; | |||
| 558 | } | |||
| 559 | } else { | |||
| 560 | for (int i = 0; i < n; ++i) { | |||
| 561 | pmi->palette_colors[2 * PALETTE_MAX_SIZE8 + i] = | |||
| 562 | aom_read_literal(r, bit_depth, ACCT_STR)aom_read_literal_(r, bit_depth ); | |||
| 563 | } | |||
| 564 | } | |||
| 565 | } | |||
| 566 | ||||
| 567 | static void read_palette_mode_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, | |||
| 568 | aom_reader *r) { | |||
| 569 | const int num_planes = av1_num_planes(cm); | |||
| 570 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 571 | const BLOCK_SIZE bsize = mbmi->bsize; | |||
| 572 | assert(av1_allow_palette(cm->features.allow_screen_content_tools, bsize))((void) sizeof ((av1_allow_palette(cm->features.allow_screen_content_tools , bsize)) ? 1 : 0), __extension__ ({ if (av1_allow_palette(cm ->features.allow_screen_content_tools, bsize)) ; else __assert_fail ("av1_allow_palette(cm->features.allow_screen_content_tools, bsize)" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 572, __extension__ __PRETTY_FUNCTION__); })); | |||
| ||||
| 573 | PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info; | |||
| 574 | const int bsize_ctx = av1_get_palette_bsize_ctx(bsize); | |||
| 575 | ||||
| 576 | if (mbmi->mode == DC_PRED) { | |||
| 577 | const int palette_mode_ctx = av1_get_palette_mode_ctx(xd); | |||
| 578 | const int modev = aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->palette_y_mode_cdf[bsize_ctx ][palette_mode_ctx], 2 ) | |||
| 579 | r, xd->tile_ctx->palette_y_mode_cdf[bsize_ctx][palette_mode_ctx], 2,aom_read_symbol_(r, xd->tile_ctx->palette_y_mode_cdf[bsize_ctx ][palette_mode_ctx], 2 ) | |||
| 580 | ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->palette_y_mode_cdf[bsize_ctx ][palette_mode_ctx], 2 ); | |||
| 581 | if (modev) { | |||
| 582 | pmi->palette_size[0] = | |||
| 583 | aom_read_symbol(r, xd->tile_ctx->palette_y_size_cdf[bsize_ctx],aom_read_symbol_(r, xd->tile_ctx->palette_y_size_cdf[bsize_ctx ], PALETTE_SIZES ) | |||
| 584 | PALETTE_SIZES, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->palette_y_size_cdf[bsize_ctx ], PALETTE_SIZES ) + | |||
| 585 | 2; | |||
| 586 | read_palette_colors_y(xd, cm->seq_params->bit_depth, pmi, r); | |||
| 587 | } | |||
| 588 | } | |||
| 589 | if (num_planes
| |||
| 590 | const int palette_uv_mode_ctx = (pmi->palette_size[0] > 0); | |||
| 591 | const int modev = aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->palette_uv_mode_cdf[palette_uv_mode_ctx ], 2 ) | |||
| 592 | r, xd->tile_ctx->palette_uv_mode_cdf[palette_uv_mode_ctx], 2, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->palette_uv_mode_cdf[palette_uv_mode_ctx ], 2 ); | |||
| 593 | if (modev) { | |||
| 594 | pmi->palette_size[1] = | |||
| 595 | aom_read_symbol(r, xd->tile_ctx->palette_uv_size_cdf[bsize_ctx],aom_read_symbol_(r, xd->tile_ctx->palette_uv_size_cdf[bsize_ctx ], PALETTE_SIZES ) | |||
| 596 | PALETTE_SIZES, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->palette_uv_size_cdf[bsize_ctx ], PALETTE_SIZES ) + | |||
| 597 | 2; | |||
| 598 | read_palette_colors_uv(xd, cm->seq_params->bit_depth, pmi, r); | |||
| 599 | } | |||
| 600 | } | |||
| 601 | } | |||
| 602 | ||||
| 603 | static int read_angle_delta(aom_reader *r, aom_cdf_prob *cdf) { | |||
| 604 | const int sym = aom_read_symbol(r, cdf, 2 * MAX_ANGLE_DELTA + 1, ACCT_STR)aom_read_symbol_(r, cdf, 2 * 3 + 1 ); | |||
| 605 | return sym - MAX_ANGLE_DELTA3; | |||
| 606 | } | |||
| 607 | ||||
| 608 | static void read_filter_intra_mode_info(const AV1_COMMON *const cm, | |||
| 609 | MACROBLOCKD *const xd, aom_reader *r) { | |||
| 610 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 611 | FILTER_INTRA_MODE_INFO *filter_intra_mode_info = | |||
| 612 | &mbmi->filter_intra_mode_info; | |||
| 613 | ||||
| 614 | if (av1_filter_intra_allowed(cm, mbmi)) { | |||
| 615 | filter_intra_mode_info->use_filter_intra = aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->filter_intra_cdfs[mbmi ->bsize], 2 ) | |||
| 616 | r, xd->tile_ctx->filter_intra_cdfs[mbmi->bsize], 2, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->filter_intra_cdfs[mbmi ->bsize], 2 ); | |||
| 617 | if (filter_intra_mode_info->use_filter_intra) { | |||
| 618 | filter_intra_mode_info->filter_intra_mode = aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->filter_intra_mode_cdf , FILTER_INTRA_MODES ) | |||
| 619 | r, xd->tile_ctx->filter_intra_mode_cdf, FILTER_INTRA_MODES, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->filter_intra_mode_cdf , FILTER_INTRA_MODES ); | |||
| 620 | } | |||
| 621 | } else { | |||
| 622 | filter_intra_mode_info->use_filter_intra = 0; | |||
| 623 | } | |||
| 624 | } | |||
| 625 | ||||
| 626 | void av1_read_tx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, int blk_row, | |||
| 627 | int blk_col, TX_SIZE tx_size, aom_reader *r) { | |||
| 628 | MB_MODE_INFO *mbmi = xd->mi[0]; | |||
| 629 | uint8_t *tx_type = | |||
| 630 | &xd->tx_type_map[blk_row * xd->tx_type_map_stride + blk_col]; | |||
| 631 | *tx_type = DCT_DCT; | |||
| 632 | ||||
| 633 | // No need to read transform type if block is skipped. | |||
| 634 | if (mbmi->skip_txfm || | |||
| 635 | segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) | |||
| 636 | return; | |||
| 637 | ||||
| 638 | // No need to read transform type for lossless mode(qindex==0). | |||
| 639 | const int qindex = xd->qindex[mbmi->segment_id]; | |||
| 640 | if (qindex == 0) return; | |||
| 641 | ||||
| 642 | const int inter_block = is_inter_block(mbmi); | |||
| 643 | if (get_ext_tx_types(tx_size, inter_block, cm->features.reduced_tx_set_used) > | |||
| 644 | 1) { | |||
| 645 | const TxSetType tx_set_type = av1_get_ext_tx_set_type( | |||
| 646 | tx_size, inter_block, cm->features.reduced_tx_set_used); | |||
| 647 | const int eset = | |||
| 648 | get_ext_tx_set(tx_size, inter_block, cm->features.reduced_tx_set_used); | |||
| 649 | // eset == 0 should correspond to a set with only DCT_DCT and | |||
| 650 | // there is no need to read the tx_type | |||
| 651 | assert(eset != 0)((void) sizeof ((eset != 0) ? 1 : 0), __extension__ ({ if (eset != 0) ; else __assert_fail ("eset != 0", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 651, __extension__ __PRETTY_FUNCTION__); })); | |||
| 652 | ||||
| 653 | const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; | |||
| 654 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 655 | if (inter_block) { | |||
| 656 | *tx_type = av1_ext_tx_inv[tx_set_type][aom_read_symbol(aom_read_symbol_(r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size ], av1_num_ext_tx_set[tx_set_type] ) | |||
| 657 | r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size],aom_read_symbol_(r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size ], av1_num_ext_tx_set[tx_set_type] ) | |||
| 658 | av1_num_ext_tx_set[tx_set_type], ACCT_STR)aom_read_symbol_(r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size ], av1_num_ext_tx_set[tx_set_type] )]; | |||
| 659 | } else { | |||
| 660 | const PREDICTION_MODE intra_mode = | |||
| 661 | mbmi->filter_intra_mode_info.use_filter_intra | |||
| 662 | ? fimode_to_intradir[mbmi->filter_intra_mode_info | |||
| 663 | .filter_intra_mode] | |||
| 664 | : mbmi->mode; | |||
| 665 | *tx_type = av1_ext_tx_inv[tx_set_type][aom_read_symbol(aom_read_symbol_(r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size ][intra_mode], av1_num_ext_tx_set[tx_set_type] ) | |||
| 666 | r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size][intra_mode],aom_read_symbol_(r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size ][intra_mode], av1_num_ext_tx_set[tx_set_type] ) | |||
| 667 | av1_num_ext_tx_set[tx_set_type], ACCT_STR)aom_read_symbol_(r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size ][intra_mode], av1_num_ext_tx_set[tx_set_type] )]; | |||
| 668 | } | |||
| 669 | } | |||
| 670 | } | |||
| 671 | ||||
| 672 | static inline void read_mv(aom_reader *r, MV *mv, const MV *ref, | |||
| 673 | nmv_context *ctx, MvSubpelPrecision precision); | |||
| 674 | ||||
| 675 | static inline int is_mv_valid(const MV *mv); | |||
| 676 | ||||
| 677 | static inline int assign_dv(AV1_COMMON *cm, MACROBLOCKD *xd, int_mv *mv, | |||
| 678 | const int_mv *ref_mv, int mi_row, int mi_col, | |||
| 679 | BLOCK_SIZE bsize, aom_reader *r) { | |||
| 680 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 681 | read_mv(r, &mv->as_mv, &ref_mv->as_mv, &ec_ctx->ndvc, MV_SUBPEL_NONE); | |||
| 682 | // DV should not have sub-pel. | |||
| 683 | assert((mv->as_mv.col & 7) == 0)((void) sizeof (((mv->as_mv.col & 7) == 0) ? 1 : 0), __extension__ ({ if ((mv->as_mv.col & 7) == 0) ; else __assert_fail ("(mv->as_mv.col & 7) == 0", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 683, __extension__ __PRETTY_FUNCTION__); })); | |||
| 684 | assert((mv->as_mv.row & 7) == 0)((void) sizeof (((mv->as_mv.row & 7) == 0) ? 1 : 0), __extension__ ({ if ((mv->as_mv.row & 7) == 0) ; else __assert_fail ("(mv->as_mv.row & 7) == 0", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 684, __extension__ __PRETTY_FUNCTION__); })); | |||
| 685 | mv->as_mv.col = (mv->as_mv.col >> 3) * 8; | |||
| 686 | mv->as_mv.row = (mv->as_mv.row >> 3) * 8; | |||
| 687 | int valid = is_mv_valid(&mv->as_mv) && | |||
| 688 | av1_is_dv_valid(mv->as_mv, cm, xd, mi_row, mi_col, bsize, | |||
| 689 | cm->seq_params->mib_size_log2); | |||
| 690 | return valid; | |||
| 691 | } | |||
| 692 | ||||
| 693 | static void read_intrabc_info(AV1_COMMON *const cm, DecoderCodingBlock *dcb, | |||
| 694 | aom_reader *r) { | |||
| 695 | MACROBLOCKD *const xd = &dcb->xd; | |||
| 696 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 697 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 698 | mbmi->use_intrabc = aom_read_symbol(r, ec_ctx->intrabc_cdf, 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->intrabc_cdf, 2 ); | |||
| 699 | if (mbmi->use_intrabc) { | |||
| 700 | BLOCK_SIZE bsize = mbmi->bsize; | |||
| 701 | mbmi->mode = DC_PRED; | |||
| 702 | mbmi->uv_mode = UV_DC_PRED; | |||
| 703 | mbmi->interp_filters = av1_broadcast_interp_filter(BILINEAR); | |||
| 704 | mbmi->motion_mode = SIMPLE_TRANSLATION; | |||
| 705 | ||||
| 706 | int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES(REF_FRAMES + (FWD_REFS * BWD_REFS + TOTAL_UNIDIR_COMP_REFS))]; | |||
| 707 | int_mv ref_mvs[INTRA_FRAME + 1][MAX_MV_REF_CANDIDATES2]; | |||
| 708 | ||||
| 709 | av1_find_mv_refs(cm, xd, mbmi, INTRA_FRAME, dcb->ref_mv_count, | |||
| 710 | xd->ref_mv_stack, xd->weight, ref_mvs, /*global_mvs=*/NULL((void*)0), | |||
| 711 | inter_mode_ctx); | |||
| 712 | ||||
| 713 | int_mv nearestmv, nearmv; | |||
| 714 | ||||
| 715 | av1_find_best_ref_mvs(0, ref_mvs[INTRA_FRAME], &nearestmv, &nearmv, 0); | |||
| 716 | int_mv dv_ref = nearestmv.as_int == 0 ? nearmv : nearestmv; | |||
| 717 | if (dv_ref.as_int == 0) | |||
| 718 | av1_find_ref_dv(&dv_ref, &xd->tile, cm->seq_params->mib_size, xd->mi_row); | |||
| 719 | // Ref DV should not have sub-pel. | |||
| 720 | int valid_dv = (dv_ref.as_mv.col & 7) == 0 && (dv_ref.as_mv.row & 7) == 0; | |||
| 721 | dv_ref.as_mv.col = (dv_ref.as_mv.col >> 3) * 8; | |||
| 722 | dv_ref.as_mv.row = (dv_ref.as_mv.row >> 3) * 8; | |||
| 723 | valid_dv = valid_dv && assign_dv(cm, xd, &mbmi->mv[0], &dv_ref, xd->mi_row, | |||
| 724 | xd->mi_col, bsize, r); | |||
| 725 | if (!valid_dv) { | |||
| 726 | // Intra bc motion vectors are not valid - signal corrupt frame | |||
| 727 | aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, | |||
| 728 | "Invalid intrabc dv"); | |||
| 729 | } | |||
| 730 | } | |||
| 731 | } | |||
| 732 | ||||
| 733 | // If delta q is present, reads delta_q index. | |||
| 734 | // Also reads delta_q loop filter levels, if present. | |||
| 735 | static void read_delta_q_params(AV1_COMMON *const cm, MACROBLOCKD *const xd, | |||
| 736 | aom_reader *r) { | |||
| 737 | DeltaQInfo *const delta_q_info = &cm->delta_q_info; | |||
| 738 | ||||
| 739 | if (delta_q_info->delta_q_present_flag) { | |||
| 740 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 741 | xd->current_base_qindex += | |||
| 742 | read_delta_qindex(cm, xd, r, mbmi) * delta_q_info->delta_q_res; | |||
| 743 | /* Normative: Clamp to [1,MAXQ] to not interfere with lossless mode */ | |||
| 744 | xd->current_base_qindex = clamp(xd->current_base_qindex, 1, MAXQ255); | |||
| 745 | FRAME_CONTEXT *const ec_ctx = xd->tile_ctx; | |||
| 746 | if (delta_q_info->delta_lf_present_flag) { | |||
| 747 | const int mi_row = xd->mi_row; | |||
| 748 | const int mi_col = xd->mi_col; | |||
| 749 | if (delta_q_info->delta_lf_multi) { | |||
| 750 | const int frame_lf_count = | |||
| 751 | av1_num_planes(cm) > 1 ? FRAME_LF_COUNT4 : FRAME_LF_COUNT4 - 2; | |||
| 752 | for (int lf_id = 0; lf_id < frame_lf_count; ++lf_id) { | |||
| 753 | const int tmp_lvl = | |||
| 754 | xd->delta_lf[lf_id] + | |||
| 755 | read_delta_lflevel(cm, r, ec_ctx->delta_lf_multi_cdf[lf_id], mbmi, | |||
| 756 | mi_col, mi_row) * | |||
| 757 | delta_q_info->delta_lf_res; | |||
| 758 | mbmi->delta_lf[lf_id] = xd->delta_lf[lf_id] = | |||
| 759 | clamp(tmp_lvl, -MAX_LOOP_FILTER63, MAX_LOOP_FILTER63); | |||
| 760 | } | |||
| 761 | } else { | |||
| 762 | const int tmp_lvl = xd->delta_lf_from_base + | |||
| 763 | read_delta_lflevel(cm, r, ec_ctx->delta_lf_cdf, | |||
| 764 | mbmi, mi_col, mi_row) * | |||
| 765 | delta_q_info->delta_lf_res; | |||
| 766 | mbmi->delta_lf_from_base = xd->delta_lf_from_base = | |||
| 767 | clamp(tmp_lvl, -MAX_LOOP_FILTER63, MAX_LOOP_FILTER63); | |||
| 768 | } | |||
| 769 | } | |||
| 770 | } | |||
| 771 | } | |||
| 772 | ||||
| 773 | static void read_intra_frame_mode_info(AV1_COMMON *const cm, | |||
| 774 | DecoderCodingBlock *dcb, aom_reader *r) { | |||
| 775 | MACROBLOCKD *const xd = &dcb->xd; | |||
| 776 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 777 | const MB_MODE_INFO *above_mi = xd->above_mbmi; | |||
| 778 | const MB_MODE_INFO *left_mi = xd->left_mbmi; | |||
| 779 | const BLOCK_SIZE bsize = mbmi->bsize; | |||
| 780 | struct segmentation *const seg = &cm->seg; | |||
| 781 | ||||
| 782 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 783 | ||||
| 784 | if (seg->segid_preskip) | |||
| 785 | mbmi->segment_id = read_intra_segment_id(cm, xd, bsize, r, 0); | |||
| 786 | ||||
| 787 | mbmi->skip_txfm = read_skip_txfm(cm, xd, mbmi->segment_id, r); | |||
| 788 | ||||
| 789 | if (!seg->segid_preskip) | |||
| 790 | mbmi->segment_id = read_intra_segment_id(cm, xd, bsize, r, mbmi->skip_txfm); | |||
| 791 | ||||
| 792 | read_cdef(cm, r, xd); | |||
| 793 | ||||
| 794 | read_delta_q_params(cm, xd, r); | |||
| 795 | ||||
| 796 | mbmi->current_qindex = xd->current_base_qindex; | |||
| 797 | ||||
| 798 | mbmi->ref_frame[0] = INTRA_FRAME; | |||
| 799 | mbmi->ref_frame[1] = NONE_FRAME; | |||
| 800 | mbmi->palette_mode_info.palette_size[0] = 0; | |||
| 801 | mbmi->palette_mode_info.palette_size[1] = 0; | |||
| 802 | mbmi->filter_intra_mode_info.use_filter_intra = 0; | |||
| 803 | ||||
| 804 | const int mi_row = xd->mi_row; | |||
| 805 | const int mi_col = xd->mi_col; | |||
| 806 | xd->above_txfm_context = cm->above_contexts.txfm[xd->tile.tile_row] + mi_col; | |||
| 807 | xd->left_txfm_context = | |||
| 808 | xd->left_txfm_context_buffer + (mi_row & MAX_MIB_MASK((1 << (7 - 2)) - 1)); | |||
| 809 | ||||
| 810 | if (av1_allow_intrabc(cm)) { | |||
| 811 | read_intrabc_info(cm, dcb, r); | |||
| 812 | if (is_intrabc_block(mbmi)) return; | |||
| 813 | } | |||
| 814 | ||||
| 815 | mbmi->mode = read_intra_mode(r, get_y_mode_cdf(ec_ctx, above_mi, left_mi)); | |||
| 816 | ||||
| 817 | const int use_angle_delta = av1_use_angle_delta(bsize); | |||
| 818 | mbmi->angle_delta[PLANE_TYPE_Y] = | |||
| 819 | (use_angle_delta && av1_is_directional_mode(mbmi->mode)) | |||
| 820 | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[mbmi->mode - V_PRED]) | |||
| 821 | : 0; | |||
| 822 | ||||
| 823 | if (!cm->seq_params->monochrome && xd->is_chroma_ref) { | |||
| 824 | mbmi->uv_mode = | |||
| 825 | read_intra_mode_uv(ec_ctx, r, is_cfl_allowed(xd), mbmi->mode); | |||
| 826 | if (mbmi->uv_mode == UV_CFL_PRED) { | |||
| 827 | mbmi->cfl_alpha_idx = read_cfl_alphas(ec_ctx, r, &mbmi->cfl_alpha_signs); | |||
| 828 | } | |||
| 829 | const PREDICTION_MODE intra_mode = get_uv_mode(mbmi->uv_mode); | |||
| 830 | mbmi->angle_delta[PLANE_TYPE_UV] = | |||
| 831 | (use_angle_delta && av1_is_directional_mode(intra_mode)) | |||
| 832 | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[intra_mode - V_PRED]) | |||
| 833 | : 0; | |||
| 834 | } else { | |||
| 835 | // Avoid decoding angle_info if there is no chroma prediction | |||
| 836 | mbmi->uv_mode = UV_DC_PRED; | |||
| 837 | } | |||
| 838 | xd->cfl.store_y = store_cfl_required(cm, xd); | |||
| 839 | ||||
| 840 | if (av1_allow_palette(cm->features.allow_screen_content_tools, bsize)) | |||
| 841 | read_palette_mode_info(cm, xd, r); | |||
| 842 | ||||
| 843 | read_filter_intra_mode_info(cm, xd, r); | |||
| 844 | } | |||
| 845 | ||||
| 846 | static int read_mv_component(aom_reader *r, nmv_component *mvcomp, | |||
| 847 | int use_subpel, int usehp) { | |||
| 848 | int mag, d, fr, hp; | |||
| 849 | const int sign = aom_read_symbol(r, mvcomp->sign_cdf, 2, ACCT_STR)aom_read_symbol_(r, mvcomp->sign_cdf, 2 ); | |||
| 850 | const int mv_class = | |||
| 851 | aom_read_symbol(r, mvcomp->classes_cdf, MV_CLASSES, ACCT_STR)aom_read_symbol_(r, mvcomp->classes_cdf, 11 ); | |||
| 852 | const int class0 = mv_class == MV_CLASS_0; | |||
| 853 | ||||
| 854 | // Integer part | |||
| 855 | if (class0) { | |||
| 856 | d = aom_read_symbol(r, mvcomp->class0_cdf, CLASS0_SIZE, ACCT_STR)aom_read_symbol_(r, mvcomp->class0_cdf, (1 << 1) ); | |||
| 857 | mag = 0; | |||
| 858 | } else { | |||
| 859 | const int n = mv_class + CLASS0_BITS1 - 1; // number of bits | |||
| 860 | d = 0; | |||
| 861 | for (int i = 0; i < n; ++i) | |||
| 862 | d |= aom_read_symbol(r, mvcomp->bits_cdf[i], 2, ACCT_STR)aom_read_symbol_(r, mvcomp->bits_cdf[i], 2 ) << i; | |||
| 863 | mag = CLASS0_SIZE(1 << 1) << (mv_class + 2); | |||
| 864 | } | |||
| 865 | ||||
| 866 | if (use_subpel) { | |||
| 867 | // Fractional part | |||
| 868 | fr = aom_read_symbol(r, class0 ? mvcomp->class0_fp_cdf[d] : mvcomp->fp_cdf,aom_read_symbol_(r, class0 ? mvcomp->class0_fp_cdf[d] : mvcomp ->fp_cdf, 4 ) | |||
| 869 | MV_FP_SIZE, ACCT_STR)aom_read_symbol_(r, class0 ? mvcomp->class0_fp_cdf[d] : mvcomp ->fp_cdf, 4 ); | |||
| 870 | ||||
| 871 | // High precision part (if hp is not used, the default value of the hp is 1) | |||
| 872 | hp = usehp ? aom_read_symbol(aom_read_symbol_(r, class0 ? mvcomp->class0_hp_cdf : mvcomp ->hp_cdf, 2 ) | |||
| 873 | r, class0 ? mvcomp->class0_hp_cdf : mvcomp->hp_cdf, 2,aom_read_symbol_(r, class0 ? mvcomp->class0_hp_cdf : mvcomp ->hp_cdf, 2 ) | |||
| 874 | ACCT_STR)aom_read_symbol_(r, class0 ? mvcomp->class0_hp_cdf : mvcomp ->hp_cdf, 2 ) | |||
| 875 | : 1; | |||
| 876 | } else { | |||
| 877 | fr = 3; | |||
| 878 | hp = 1; | |||
| 879 | } | |||
| 880 | ||||
| 881 | // Result | |||
| 882 | mag += ((d << 3) | (fr << 1) | hp) + 1; | |||
| 883 | return sign ? -mag : mag; | |||
| 884 | } | |||
| 885 | ||||
| 886 | static inline void read_mv(aom_reader *r, MV *mv, const MV *ref, | |||
| 887 | nmv_context *ctx, MvSubpelPrecision precision) { | |||
| 888 | MV diff = kZeroMv; | |||
| 889 | const MV_JOINT_TYPE joint_type = | |||
| 890 | (MV_JOINT_TYPE)aom_read_symbol(r, ctx->joints_cdf, MV_JOINTS, ACCT_STR)aom_read_symbol_(r, ctx->joints_cdf, 4 ); | |||
| 891 | ||||
| 892 | if (mv_joint_vertical(joint_type)) | |||
| 893 | diff.row = read_mv_component(r, &ctx->comps[0], precision > MV_SUBPEL_NONE, | |||
| 894 | precision > MV_SUBPEL_LOW_PRECISION); | |||
| 895 | ||||
| 896 | if (mv_joint_horizontal(joint_type)) | |||
| 897 | diff.col = read_mv_component(r, &ctx->comps[1], precision > MV_SUBPEL_NONE, | |||
| 898 | precision > MV_SUBPEL_LOW_PRECISION); | |||
| 899 | ||||
| 900 | mv->row = ref->row + diff.row; | |||
| 901 | mv->col = ref->col + diff.col; | |||
| 902 | } | |||
| 903 | ||||
| 904 | static REFERENCE_MODE read_block_reference_mode(AV1_COMMON *cm, | |||
| 905 | const MACROBLOCKD *xd, | |||
| 906 | aom_reader *r) { | |||
| 907 | if (!is_comp_ref_allowed(xd->mi[0]->bsize)) return SINGLE_REFERENCE; | |||
| 908 | if (cm->current_frame.reference_mode == REFERENCE_MODE_SELECT) { | |||
| 909 | const int ctx = av1_get_reference_mode_context(xd); | |||
| 910 | const REFERENCE_MODE mode = (REFERENCE_MODE)aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->comp_inter_cdf[ctx], 2 ) | |||
| 911 | r, xd->tile_ctx->comp_inter_cdf[ctx], 2, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->comp_inter_cdf[ctx], 2 ); | |||
| 912 | return mode; // SINGLE_REFERENCE or COMPOUND_REFERENCE | |||
| 913 | } else { | |||
| 914 | assert(cm->current_frame.reference_mode == SINGLE_REFERENCE)((void) sizeof ((cm->current_frame.reference_mode == SINGLE_REFERENCE ) ? 1 : 0), __extension__ ({ if (cm->current_frame.reference_mode == SINGLE_REFERENCE) ; else __assert_fail ("cm->current_frame.reference_mode == SINGLE_REFERENCE" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 914, __extension__ __PRETTY_FUNCTION__); })); | |||
| 915 | return cm->current_frame.reference_mode; | |||
| 916 | } | |||
| 917 | } | |||
| 918 | ||||
| 919 | #define READ_REF_BIT(pname)aom_read_symbol_(r, av1_get_pred_cdf_pname(xd), 2 ) \ | |||
| 920 | aom_read_symbol(r, av1_get_pred_cdf_##pname(xd), 2, ACCT_STR)aom_read_symbol_(r, av1_get_pred_cdf_##pname(xd), 2 ) | |||
| 921 | ||||
| 922 | static COMP_REFERENCE_TYPE read_comp_reference_type(const MACROBLOCKD *xd, | |||
| 923 | aom_reader *r) { | |||
| 924 | const int ctx = av1_get_comp_reference_type_context(xd); | |||
| 925 | const COMP_REFERENCE_TYPE comp_ref_type = | |||
| 926 | (COMP_REFERENCE_TYPE)aom_read_symbol(aom_read_symbol_(r, xd->tile_ctx->comp_ref_type_cdf[ctx ], 2 ) | |||
| 927 | r, xd->tile_ctx->comp_ref_type_cdf[ctx], 2, ACCT_STR)aom_read_symbol_(r, xd->tile_ctx->comp_ref_type_cdf[ctx ], 2 ); | |||
| 928 | return comp_ref_type; // UNIDIR_COMP_REFERENCE or BIDIR_COMP_REFERENCE | |||
| 929 | } | |||
| 930 | ||||
| 931 | static void set_ref_frames_for_skip_mode(AV1_COMMON *const cm, | |||
| 932 | MV_REFERENCE_FRAME ref_frame[2]) { | |||
| 933 | ref_frame[0] = LAST_FRAME + cm->current_frame.skip_mode_info.ref_frame_idx_0; | |||
| 934 | ref_frame[1] = LAST_FRAME + cm->current_frame.skip_mode_info.ref_frame_idx_1; | |||
| 935 | } | |||
| 936 | ||||
| 937 | // Read the referncence frame | |||
| 938 | static void read_ref_frames(AV1_COMMON *const cm, MACROBLOCKD *const xd, | |||
| 939 | aom_reader *r, int segment_id, | |||
| 940 | MV_REFERENCE_FRAME ref_frame[2]) { | |||
| 941 | if (xd->mi[0]->skip_mode) { | |||
| 942 | set_ref_frames_for_skip_mode(cm, ref_frame); | |||
| 943 | return; | |||
| 944 | } | |||
| 945 | ||||
| 946 | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { | |||
| 947 | ref_frame[0] = (MV_REFERENCE_FRAME)get_segdata(&cm->seg, segment_id, | |||
| 948 | SEG_LVL_REF_FRAME); | |||
| 949 | ref_frame[1] = NONE_FRAME; | |||
| 950 | } else if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) || | |||
| 951 | segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { | |||
| 952 | ref_frame[0] = LAST_FRAME; | |||
| 953 | ref_frame[1] = NONE_FRAME; | |||
| 954 | } else { | |||
| 955 | const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r); | |||
| 956 | ||||
| 957 | if (mode == COMPOUND_REFERENCE) { | |||
| 958 | const COMP_REFERENCE_TYPE comp_ref_type = read_comp_reference_type(xd, r); | |||
| 959 | ||||
| 960 | if (comp_ref_type == UNIDIR_COMP_REFERENCE) { | |||
| 961 | const int bit = READ_REF_BIT(uni_comp_ref_p)aom_read_symbol_(r, av1_get_pred_cdf_uni_comp_ref_p(xd), 2 ); | |||
| 962 | if (bit) { | |||
| 963 | ref_frame[0] = BWDREF_FRAME; | |||
| 964 | ref_frame[1] = ALTREF_FRAME; | |||
| 965 | } else { | |||
| 966 | const int bit1 = READ_REF_BIT(uni_comp_ref_p1)aom_read_symbol_(r, av1_get_pred_cdf_uni_comp_ref_p1(xd), 2 ); | |||
| 967 | if (bit1) { | |||
| 968 | const int bit2 = READ_REF_BIT(uni_comp_ref_p2)aom_read_symbol_(r, av1_get_pred_cdf_uni_comp_ref_p2(xd), 2 ); | |||
| 969 | if (bit2) { | |||
| 970 | ref_frame[0] = LAST_FRAME; | |||
| 971 | ref_frame[1] = GOLDEN_FRAME; | |||
| 972 | } else { | |||
| 973 | ref_frame[0] = LAST_FRAME; | |||
| 974 | ref_frame[1] = LAST3_FRAME; | |||
| 975 | } | |||
| 976 | } else { | |||
| 977 | ref_frame[0] = LAST_FRAME; | |||
| 978 | ref_frame[1] = LAST2_FRAME; | |||
| 979 | } | |||
| 980 | } | |||
| 981 | ||||
| 982 | return; | |||
| 983 | } | |||
| 984 | ||||
| 985 | assert(comp_ref_type == BIDIR_COMP_REFERENCE)((void) sizeof ((comp_ref_type == BIDIR_COMP_REFERENCE) ? 1 : 0), __extension__ ({ if (comp_ref_type == BIDIR_COMP_REFERENCE ) ; else __assert_fail ("comp_ref_type == BIDIR_COMP_REFERENCE" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 985, __extension__ __PRETTY_FUNCTION__); })); | |||
| 986 | ||||
| 987 | const int idx = 1; | |||
| 988 | const int bit = READ_REF_BIT(comp_ref_p)aom_read_symbol_(r, av1_get_pred_cdf_comp_ref_p(xd), 2 ); | |||
| 989 | // Decode forward references. | |||
| 990 | if (!bit) { | |||
| 991 | const int bit1 = READ_REF_BIT(comp_ref_p1)aom_read_symbol_(r, av1_get_pred_cdf_comp_ref_p1(xd), 2 ); | |||
| 992 | ref_frame[!idx] = bit1 ? LAST2_FRAME : LAST_FRAME; | |||
| 993 | } else { | |||
| 994 | const int bit2 = READ_REF_BIT(comp_ref_p2)aom_read_symbol_(r, av1_get_pred_cdf_comp_ref_p2(xd), 2 ); | |||
| 995 | ref_frame[!idx] = bit2 ? GOLDEN_FRAME : LAST3_FRAME; | |||
| 996 | } | |||
| 997 | ||||
| 998 | // Decode backward references. | |||
| 999 | const int bit_bwd = READ_REF_BIT(comp_bwdref_p)aom_read_symbol_(r, av1_get_pred_cdf_comp_bwdref_p(xd), 2 ); | |||
| 1000 | if (!bit_bwd) { | |||
| 1001 | const int bit1_bwd = READ_REF_BIT(comp_bwdref_p1)aom_read_symbol_(r, av1_get_pred_cdf_comp_bwdref_p1(xd), 2 ); | |||
| 1002 | ref_frame[idx] = bit1_bwd ? ALTREF2_FRAME : BWDREF_FRAME; | |||
| 1003 | } else { | |||
| 1004 | ref_frame[idx] = ALTREF_FRAME; | |||
| 1005 | } | |||
| 1006 | } else if (mode == SINGLE_REFERENCE) { | |||
| 1007 | const int bit0 = READ_REF_BIT(single_ref_p1)aom_read_symbol_(r, av1_get_pred_cdf_single_ref_p1(xd), 2 ); | |||
| 1008 | if (bit0) { | |||
| 1009 | const int bit1 = READ_REF_BIT(single_ref_p2)aom_read_symbol_(r, av1_get_pred_cdf_single_ref_p2(xd), 2 ); | |||
| 1010 | if (!bit1) { | |||
| 1011 | const int bit5 = READ_REF_BIT(single_ref_p6)aom_read_symbol_(r, av1_get_pred_cdf_single_ref_p6(xd), 2 ); | |||
| 1012 | ref_frame[0] = bit5 ? ALTREF2_FRAME : BWDREF_FRAME; | |||
| 1013 | } else { | |||
| 1014 | ref_frame[0] = ALTREF_FRAME; | |||
| 1015 | } | |||
| 1016 | } else { | |||
| 1017 | const int bit2 = READ_REF_BIT(single_ref_p3)aom_read_symbol_(r, av1_get_pred_cdf_single_ref_p3(xd), 2 ); | |||
| 1018 | if (bit2) { | |||
| 1019 | const int bit4 = READ_REF_BIT(single_ref_p5)aom_read_symbol_(r, av1_get_pred_cdf_single_ref_p5(xd), 2 ); | |||
| 1020 | ref_frame[0] = bit4 ? GOLDEN_FRAME : LAST3_FRAME; | |||
| 1021 | } else { | |||
| 1022 | const int bit3 = READ_REF_BIT(single_ref_p4)aom_read_symbol_(r, av1_get_pred_cdf_single_ref_p4(xd), 2 ); | |||
| 1023 | ref_frame[0] = bit3 ? LAST2_FRAME : LAST_FRAME; | |||
| 1024 | } | |||
| 1025 | } | |||
| 1026 | ||||
| 1027 | ref_frame[1] = NONE_FRAME; | |||
| 1028 | } else { | |||
| 1029 | assert(0 && "Invalid prediction mode.")((void) sizeof ((0 && "Invalid prediction mode.") ? 1 : 0), __extension__ ({ if (0 && "Invalid prediction mode." ) ; else __assert_fail ("0 && \"Invalid prediction mode.\"" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1029, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1030 | } | |||
| 1031 | } | |||
| 1032 | } | |||
| 1033 | ||||
| 1034 | static inline void read_mb_interp_filter(const MACROBLOCKD *const xd, | |||
| 1035 | InterpFilter interp_filter, | |||
| 1036 | bool_Bool enable_dual_filter, | |||
| 1037 | MB_MODE_INFO *const mbmi, | |||
| 1038 | aom_reader *r) { | |||
| 1039 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 1040 | ||||
| 1041 | if (!av1_is_interp_needed(xd)) { | |||
| 1042 | set_default_interp_filters(mbmi, interp_filter); | |||
| 1043 | return; | |||
| 1044 | } | |||
| 1045 | ||||
| 1046 | if (interp_filter != SWITCHABLE) { | |||
| 1047 | mbmi->interp_filters = av1_broadcast_interp_filter(interp_filter); | |||
| 1048 | } else { | |||
| 1049 | InterpFilter ref0_filter[2] = { EIGHTTAP_REGULAR, EIGHTTAP_REGULAR }; | |||
| 1050 | for (int dir = 0; dir < 2; ++dir) { | |||
| 1051 | const int ctx = av1_get_pred_context_switchable_interp(xd, dir); | |||
| 1052 | ref0_filter[dir] = (InterpFilter)aom_read_symbol(aom_read_symbol_(r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS ) | |||
| 1053 | r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS, ACCT_STR)aom_read_symbol_(r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS ); | |||
| 1054 | if (!enable_dual_filter) { | |||
| 1055 | ref0_filter[1] = ref0_filter[0]; | |||
| 1056 | break; | |||
| 1057 | } | |||
| 1058 | } | |||
| 1059 | // The index system works as: (0, 1) -> (vertical, horizontal) filter types | |||
| 1060 | mbmi->interp_filters.as_filters.x_filter = ref0_filter[1]; | |||
| 1061 | mbmi->interp_filters.as_filters.y_filter = ref0_filter[0]; | |||
| 1062 | } | |||
| 1063 | } | |||
| 1064 | ||||
| 1065 | static void read_intra_block_mode_info(AV1_COMMON *const cm, | |||
| 1066 | MACROBLOCKD *const xd, | |||
| 1067 | MB_MODE_INFO *const mbmi, | |||
| 1068 | aom_reader *r) { | |||
| 1069 | const BLOCK_SIZE bsize = mbmi->bsize; | |||
| 1070 | const int use_angle_delta = av1_use_angle_delta(bsize); | |||
| 1071 | ||||
| 1072 | mbmi->ref_frame[0] = INTRA_FRAME; | |||
| 1073 | mbmi->ref_frame[1] = NONE_FRAME; | |||
| 1074 | ||||
| 1075 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 1076 | ||||
| 1077 | mbmi->mode = read_intra_mode(r, ec_ctx->y_mode_cdf[size_group_lookup[bsize]]); | |||
| 1078 | ||||
| 1079 | mbmi->angle_delta[PLANE_TYPE_Y] = | |||
| 1080 | use_angle_delta && av1_is_directional_mode(mbmi->mode) | |||
| 1081 | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[mbmi->mode - V_PRED]) | |||
| 1082 | : 0; | |||
| 1083 | if (!cm->seq_params->monochrome && xd->is_chroma_ref) { | |||
| 1084 | mbmi->uv_mode = | |||
| 1085 | read_intra_mode_uv(ec_ctx, r, is_cfl_allowed(xd), mbmi->mode); | |||
| 1086 | if (mbmi->uv_mode == UV_CFL_PRED) { | |||
| 1087 | mbmi->cfl_alpha_idx = | |||
| 1088 | read_cfl_alphas(xd->tile_ctx, r, &mbmi->cfl_alpha_signs); | |||
| 1089 | } | |||
| 1090 | const PREDICTION_MODE intra_mode = get_uv_mode(mbmi->uv_mode); | |||
| 1091 | mbmi->angle_delta[PLANE_TYPE_UV] = | |||
| 1092 | use_angle_delta && av1_is_directional_mode(intra_mode) | |||
| 1093 | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[intra_mode - V_PRED]) | |||
| 1094 | : 0; | |||
| 1095 | } else { | |||
| 1096 | // Avoid decoding angle_info if there is no chroma prediction | |||
| 1097 | mbmi->uv_mode = UV_DC_PRED; | |||
| 1098 | } | |||
| 1099 | xd->cfl.store_y = store_cfl_required(cm, xd); | |||
| 1100 | ||||
| 1101 | mbmi->palette_mode_info.palette_size[0] = 0; | |||
| 1102 | mbmi->palette_mode_info.palette_size[1] = 0; | |||
| 1103 | if (av1_allow_palette(cm->features.allow_screen_content_tools, bsize)) | |||
| 1104 | read_palette_mode_info(cm, xd, r); | |||
| 1105 | ||||
| 1106 | read_filter_intra_mode_info(cm, xd, r); | |||
| 1107 | } | |||
| 1108 | ||||
| 1109 | static inline int is_mv_valid(const MV *mv) { | |||
| 1110 | return mv->row > MV_LOW(-(1 << 14)) && mv->row < MV_UPP(1 << 14) && mv->col > MV_LOW(-(1 << 14)) && | |||
| 1111 | mv->col < MV_UPP(1 << 14); | |||
| 1112 | } | |||
| 1113 | ||||
| 1114 | static inline int assign_mv(AV1_COMMON *cm, MACROBLOCKD *xd, | |||
| 1115 | PREDICTION_MODE mode, | |||
| 1116 | MV_REFERENCE_FRAME ref_frame[2], int_mv mv[2], | |||
| 1117 | int_mv ref_mv[2], int_mv nearest_mv[2], | |||
| 1118 | int_mv near_mv[2], int is_compound, int allow_hp, | |||
| 1119 | aom_reader *r) { | |||
| 1120 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 1121 | MB_MODE_INFO *mbmi = xd->mi[0]; | |||
| 1122 | BLOCK_SIZE bsize = mbmi->bsize; | |||
| 1123 | FeatureFlags *const features = &cm->features; | |||
| 1124 | if (features->cur_frame_force_integer_mv) { | |||
| 1125 | allow_hp = MV_SUBPEL_NONE; | |||
| 1126 | } | |||
| 1127 | switch (mode) { | |||
| 1128 | case NEWMV: { | |||
| 1129 | nmv_context *const nmvc = &ec_ctx->nmvc; | |||
| 1130 | read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, allow_hp); | |||
| 1131 | break; | |||
| 1132 | } | |||
| 1133 | case NEARESTMV: { | |||
| 1134 | mv[0].as_int = nearest_mv[0].as_int; | |||
| 1135 | break; | |||
| 1136 | } | |||
| 1137 | case NEARMV: { | |||
| 1138 | mv[0].as_int = near_mv[0].as_int; | |||
| 1139 | break; | |||
| 1140 | } | |||
| 1141 | case GLOBALMV: { | |||
| 1142 | mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]], | |||
| 1143 | features->allow_high_precision_mv, | |||
| 1144 | bsize, xd->mi_col, xd->mi_row, | |||
| 1145 | features->cur_frame_force_integer_mv) | |||
| 1146 | .as_int; | |||
| 1147 | break; | |||
| 1148 | } | |||
| 1149 | case NEW_NEWMV: { | |||
| 1150 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1150, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1151 | for (int i = 0; i < 2; ++i) { | |||
| 1152 | nmv_context *const nmvc = &ec_ctx->nmvc; | |||
| 1153 | read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, nmvc, allow_hp); | |||
| 1154 | } | |||
| 1155 | break; | |||
| 1156 | } | |||
| 1157 | case NEAREST_NEARESTMV: { | |||
| 1158 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1158, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1159 | mv[0].as_int = nearest_mv[0].as_int; | |||
| 1160 | mv[1].as_int = nearest_mv[1].as_int; | |||
| 1161 | break; | |||
| 1162 | } | |||
| 1163 | case NEAR_NEARMV: { | |||
| 1164 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1164, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1165 | mv[0].as_int = near_mv[0].as_int; | |||
| 1166 | mv[1].as_int = near_mv[1].as_int; | |||
| 1167 | break; | |||
| 1168 | } | |||
| 1169 | case NEW_NEARESTMV: { | |||
| 1170 | nmv_context *const nmvc = &ec_ctx->nmvc; | |||
| 1171 | read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, allow_hp); | |||
| 1172 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1172, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1173 | mv[1].as_int = nearest_mv[1].as_int; | |||
| 1174 | break; | |||
| 1175 | } | |||
| 1176 | case NEAREST_NEWMV: { | |||
| 1177 | nmv_context *const nmvc = &ec_ctx->nmvc; | |||
| 1178 | mv[0].as_int = nearest_mv[0].as_int; | |||
| 1179 | read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, nmvc, allow_hp); | |||
| 1180 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1180, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1181 | break; | |||
| 1182 | } | |||
| 1183 | case NEAR_NEWMV: { | |||
| 1184 | nmv_context *const nmvc = &ec_ctx->nmvc; | |||
| 1185 | mv[0].as_int = near_mv[0].as_int; | |||
| 1186 | read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, nmvc, allow_hp); | |||
| 1187 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1187, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1188 | break; | |||
| 1189 | } | |||
| 1190 | case NEW_NEARMV: { | |||
| 1191 | nmv_context *const nmvc = &ec_ctx->nmvc; | |||
| 1192 | read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, allow_hp); | |||
| 1193 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1193, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1194 | mv[1].as_int = near_mv[1].as_int; | |||
| 1195 | break; | |||
| 1196 | } | |||
| 1197 | case GLOBAL_GLOBALMV: { | |||
| 1198 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1198, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1199 | mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]], | |||
| 1200 | features->allow_high_precision_mv, | |||
| 1201 | bsize, xd->mi_col, xd->mi_row, | |||
| 1202 | features->cur_frame_force_integer_mv) | |||
| 1203 | .as_int; | |||
| 1204 | mv[1].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[1]], | |||
| 1205 | features->allow_high_precision_mv, | |||
| 1206 | bsize, xd->mi_col, xd->mi_row, | |||
| 1207 | features->cur_frame_force_integer_mv) | |||
| 1208 | .as_int; | |||
| 1209 | break; | |||
| 1210 | } | |||
| 1211 | default: { | |||
| 1212 | return 0; | |||
| 1213 | } | |||
| 1214 | } | |||
| 1215 | ||||
| 1216 | int ret = is_mv_valid(&mv[0].as_mv); | |||
| 1217 | if (is_compound) { | |||
| 1218 | ret = ret && is_mv_valid(&mv[1].as_mv); | |||
| 1219 | } | |||
| 1220 | return ret; | |||
| 1221 | } | |||
| 1222 | ||||
| 1223 | static int read_is_inter_block(AV1_COMMON *const cm, MACROBLOCKD *const xd, | |||
| 1224 | int segment_id, aom_reader *r) { | |||
| 1225 | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { | |||
| 1226 | const int frame = get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME); | |||
| 1227 | if (frame < LAST_FRAME) return 0; | |||
| 1228 | return frame != INTRA_FRAME; | |||
| 1229 | } | |||
| 1230 | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { | |||
| 1231 | return 1; | |||
| 1232 | } | |||
| 1233 | const int ctx = av1_get_intra_inter_context(xd); | |||
| 1234 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 1235 | const int is_inter = | |||
| 1236 | aom_read_symbol(r, ec_ctx->intra_inter_cdf[ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->intra_inter_cdf[ctx], 2 ); | |||
| 1237 | return is_inter; | |||
| 1238 | } | |||
| 1239 | ||||
| 1240 | #if DEC_MISMATCH_DEBUG0 | |||
| 1241 | static void dec_dump_logs(AV1_COMMON *cm, MB_MODE_INFO *const mbmi, int mi_row, | |||
| 1242 | int mi_col, int16_t mode_ctx) { | |||
| 1243 | int_mv mv[2] = { { 0 } }; | |||
| 1244 | for (int ref = 0; ref < 1 + has_second_ref(mbmi); ++ref) | |||
| 1245 | mv[ref].as_mv = mbmi->mv[ref].as_mv; | |||
| 1246 | ||||
| 1247 | const int16_t newmv_ctx = mode_ctx & NEWMV_CTX_MASK((1 << 3) - 1); | |||
| 1248 | int16_t zeromv_ctx = -1; | |||
| 1249 | int16_t refmv_ctx = -1; | |||
| 1250 | if (mbmi->mode != NEWMV) { | |||
| 1251 | zeromv_ctx = (mode_ctx >> GLOBALMV_OFFSET3) & GLOBALMV_CTX_MASK((1 << (4 - 3)) - 1); | |||
| 1252 | if (mbmi->mode != GLOBALMV) | |||
| 1253 | refmv_ctx = (mode_ctx >> REFMV_OFFSET4) & REFMV_CTX_MASK((1 << (8 - 4)) - 1); | |||
| 1254 | } | |||
| 1255 | ||||
| 1256 | #define FRAME_TO_CHECK 11 | |||
| 1257 | if (cm->current_frame.frame_number == FRAME_TO_CHECK && cm->show_frame == 1) { | |||
| 1258 | printf( | |||
| 1259 | "=== DECODER ===: " | |||
| 1260 | "Frame=%d, (mi_row,mi_col)=(%d,%d), skip_mode=%d, mode=%d, bsize=%d, " | |||
| 1261 | "show_frame=%d, mv[0]=(%d,%d), mv[1]=(%d,%d), ref[0]=%d, " | |||
| 1262 | "ref[1]=%d, motion_mode=%d, mode_ctx=%d, " | |||
| 1263 | "newmv_ctx=%d, zeromv_ctx=%d, refmv_ctx=%d, tx_size=%d\n", | |||
| 1264 | cm->current_frame.frame_number, mi_row, mi_col, mbmi->skip_mode, | |||
| 1265 | mbmi->mode, mbmi->sb_type, cm->show_frame, mv[0].as_mv.row, | |||
| 1266 | mv[0].as_mv.col, mv[1].as_mv.row, mv[1].as_mv.col, mbmi->ref_frame[0], | |||
| 1267 | mbmi->ref_frame[1], mbmi->motion_mode, mode_ctx, newmv_ctx, zeromv_ctx, | |||
| 1268 | refmv_ctx, mbmi->tx_size); | |||
| 1269 | } | |||
| 1270 | } | |||
| 1271 | #endif // DEC_MISMATCH_DEBUG | |||
| 1272 | ||||
| 1273 | static void read_inter_block_mode_info(AV1Decoder *const pbi, | |||
| 1274 | DecoderCodingBlock *dcb, | |||
| 1275 | MB_MODE_INFO *const mbmi, | |||
| 1276 | aom_reader *r) { | |||
| 1277 | AV1_COMMON *const cm = &pbi->common; | |||
| 1278 | FeatureFlags *const features = &cm->features; | |||
| 1279 | const BLOCK_SIZE bsize = mbmi->bsize; | |||
| 1280 | const int allow_hp = features->allow_high_precision_mv; | |||
| 1281 | int_mv nearestmv[2], nearmv[2]; | |||
| 1282 | int_mv ref_mvs[MODE_CTX_REF_FRAMES(REF_FRAMES + (FWD_REFS * BWD_REFS + TOTAL_UNIDIR_COMP_REFS))][MAX_MV_REF_CANDIDATES2] = { { { 0 } } }; | |||
| 1283 | int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES(REF_FRAMES + (FWD_REFS * BWD_REFS + TOTAL_UNIDIR_COMP_REFS))]; | |||
| 1284 | int pts[SAMPLES_ARRAY_SIZE((1 << 3) * 2)], pts_inref[SAMPLES_ARRAY_SIZE((1 << 3) * 2)]; | |||
| 1285 | MACROBLOCKD *const xd = &dcb->xd; | |||
| 1286 | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; | |||
| 1287 | ||||
| 1288 | mbmi->uv_mode = UV_DC_PRED; | |||
| 1289 | mbmi->palette_mode_info.palette_size[0] = 0; | |||
| 1290 | mbmi->palette_mode_info.palette_size[1] = 0; | |||
| 1291 | ||||
| 1292 | av1_collect_neighbors_ref_counts(xd); | |||
| 1293 | ||||
| 1294 | read_ref_frames(cm, xd, r, mbmi->segment_id, mbmi->ref_frame); | |||
| 1295 | const int is_compound = has_second_ref(mbmi); | |||
| 1296 | ||||
| 1297 | const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame); | |||
| 1298 | av1_find_mv_refs(cm, xd, mbmi, ref_frame, dcb->ref_mv_count, xd->ref_mv_stack, | |||
| 1299 | xd->weight, ref_mvs, /*global_mvs=*/NULL((void*)0), inter_mode_ctx); | |||
| 1300 | ||||
| 1301 | mbmi->ref_mv_idx = 0; | |||
| 1302 | ||||
| 1303 | if (mbmi->skip_mode) { | |||
| 1304 | assert(is_compound)((void) sizeof ((is_compound) ? 1 : 0), __extension__ ({ if ( is_compound) ; else __assert_fail ("is_compound", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1304, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1305 | mbmi->mode = NEAREST_NEARESTMV; | |||
| 1306 | } else { | |||
| 1307 | if (segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP) || | |||
| 1308 | segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_GLOBALMV)) { | |||
| 1309 | mbmi->mode = GLOBALMV; | |||
| 1310 | } else { | |||
| 1311 | const int mode_ctx = | |||
| 1312 | av1_mode_context_analyzer(inter_mode_ctx, mbmi->ref_frame); | |||
| 1313 | if (is_compound) | |||
| 1314 | mbmi->mode = read_inter_compound_mode(xd, r, mode_ctx); | |||
| 1315 | else | |||
| 1316 | mbmi->mode = read_inter_mode(ec_ctx, r, mode_ctx); | |||
| 1317 | if (mbmi->mode == NEWMV || mbmi->mode == NEW_NEWMV || | |||
| 1318 | have_nearmv_in_inter_mode(mbmi->mode)) | |||
| 1319 | read_drl_idx(ec_ctx, dcb, mbmi, r); | |||
| 1320 | } | |||
| 1321 | } | |||
| 1322 | ||||
| 1323 | if (is_compound != is_inter_compound_mode(mbmi->mode)) { | |||
| 1324 | aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, | |||
| 1325 | "Prediction mode %d invalid with ref frame %d %d", | |||
| 1326 | mbmi->mode, mbmi->ref_frame[0], mbmi->ref_frame[1]); | |||
| 1327 | } | |||
| 1328 | ||||
| 1329 | if (!is_compound && mbmi->mode != GLOBALMV) { | |||
| 1330 | av1_find_best_ref_mvs(allow_hp, ref_mvs[mbmi->ref_frame[0]], &nearestmv[0], | |||
| 1331 | &nearmv[0], features->cur_frame_force_integer_mv); | |||
| 1332 | } | |||
| 1333 | ||||
| 1334 | if (is_compound && mbmi->mode != GLOBAL_GLOBALMV) { | |||
| 1335 | const int ref_mv_idx = mbmi->ref_mv_idx + 1; | |||
| 1336 | nearestmv[0] = xd->ref_mv_stack[ref_frame][0].this_mv; | |||
| 1337 | nearestmv[1] = xd->ref_mv_stack[ref_frame][0].comp_mv; | |||
| 1338 | nearmv[0] = xd->ref_mv_stack[ref_frame][ref_mv_idx].this_mv; | |||
| 1339 | nearmv[1] = xd->ref_mv_stack[ref_frame][ref_mv_idx].comp_mv; | |||
| 1340 | lower_mv_precision(&nearestmv[0].as_mv, allow_hp, | |||
| 1341 | features->cur_frame_force_integer_mv); | |||
| 1342 | lower_mv_precision(&nearestmv[1].as_mv, allow_hp, | |||
| 1343 | features->cur_frame_force_integer_mv); | |||
| 1344 | lower_mv_precision(&nearmv[0].as_mv, allow_hp, | |||
| 1345 | features->cur_frame_force_integer_mv); | |||
| 1346 | lower_mv_precision(&nearmv[1].as_mv, allow_hp, | |||
| 1347 | features->cur_frame_force_integer_mv); | |||
| 1348 | } else if (mbmi->ref_mv_idx > 0 && mbmi->mode == NEARMV) { | |||
| 1349 | nearmv[0] = | |||
| 1350 | xd->ref_mv_stack[mbmi->ref_frame[0]][1 + mbmi->ref_mv_idx].this_mv; | |||
| 1351 | } | |||
| 1352 | ||||
| 1353 | int_mv ref_mv[2] = { nearestmv[0], nearestmv[1] }; | |||
| 1354 | ||||
| 1355 | if (is_compound) { | |||
| 1356 | int ref_mv_idx = mbmi->ref_mv_idx; | |||
| 1357 | // Special case: NEAR_NEWMV and NEW_NEARMV modes use | |||
| 1358 | // 1 + mbmi->ref_mv_idx (like NEARMV) instead of | |||
| 1359 | // mbmi->ref_mv_idx (like NEWMV) | |||
| 1360 | if (mbmi->mode == NEAR_NEWMV || mbmi->mode == NEW_NEARMV) | |||
| 1361 | ref_mv_idx = 1 + mbmi->ref_mv_idx; | |||
| 1362 | ||||
| 1363 | // TODO(jingning, yunqing): Do we need a lower_mv_precision() call here? | |||
| 1364 | if (compound_ref0_mode(mbmi->mode) == NEWMV) | |||
| 1365 | ref_mv[0] = xd->ref_mv_stack[ref_frame][ref_mv_idx].this_mv; | |||
| 1366 | ||||
| 1367 | if (compound_ref1_mode(mbmi->mode) == NEWMV) | |||
| 1368 | ref_mv[1] = xd->ref_mv_stack[ref_frame][ref_mv_idx].comp_mv; | |||
| 1369 | } else { | |||
| 1370 | if (mbmi->mode == NEWMV) { | |||
| 1371 | if (dcb->ref_mv_count[ref_frame] > 1) | |||
| 1372 | ref_mv[0] = xd->ref_mv_stack[ref_frame][mbmi->ref_mv_idx].this_mv; | |||
| 1373 | } | |||
| 1374 | } | |||
| 1375 | ||||
| 1376 | if (mbmi->skip_mode) assert(mbmi->mode == NEAREST_NEARESTMV)((void) sizeof ((mbmi->mode == NEAREST_NEARESTMV) ? 1 : 0) , __extension__ ({ if (mbmi->mode == NEAREST_NEARESTMV) ; else __assert_fail ("mbmi->mode == NEAREST_NEARESTMV", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1376, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1377 | ||||
| 1378 | const int mv_corrupted_flag = | |||
| 1379 | !assign_mv(cm, xd, mbmi->mode, mbmi->ref_frame, mbmi->mv, ref_mv, | |||
| 1380 | nearestmv, nearmv, is_compound, allow_hp, r); | |||
| 1381 | aom_merge_corrupted_flag(&dcb->corrupted, mv_corrupted_flag); | |||
| 1382 | ||||
| 1383 | mbmi->use_wedge_interintra = 0; | |||
| 1384 | if (cm->seq_params->enable_interintra_compound && !mbmi->skip_mode && | |||
| 1385 | is_interintra_allowed(mbmi)) { | |||
| 1386 | const int bsize_group = size_group_lookup[bsize]; | |||
| 1387 | const int interintra = | |||
| 1388 | aom_read_symbol(r, ec_ctx->interintra_cdf[bsize_group], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->interintra_cdf[bsize_group], 2 ); | |||
| 1389 | assert(mbmi->ref_frame[1] == NONE_FRAME)((void) sizeof ((mbmi->ref_frame[1] == NONE_FRAME) ? 1 : 0 ), __extension__ ({ if (mbmi->ref_frame[1] == NONE_FRAME) ; else __assert_fail ("mbmi->ref_frame[1] == NONE_FRAME", "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1389, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1390 | if (interintra) { | |||
| 1391 | const INTERINTRA_MODE interintra_mode = | |||
| 1392 | read_interintra_mode(xd, r, bsize_group); | |||
| 1393 | mbmi->ref_frame[1] = INTRA_FRAME; | |||
| 1394 | mbmi->interintra_mode = interintra_mode; | |||
| 1395 | mbmi->angle_delta[PLANE_TYPE_Y] = 0; | |||
| 1396 | mbmi->angle_delta[PLANE_TYPE_UV] = 0; | |||
| 1397 | mbmi->filter_intra_mode_info.use_filter_intra = 0; | |||
| 1398 | if (av1_is_wedge_used(bsize)) { | |||
| 1399 | mbmi->use_wedge_interintra = aom_read_symbol(aom_read_symbol_(r, ec_ctx->wedge_interintra_cdf[bsize], 2 ) | |||
| 1400 | r, ec_ctx->wedge_interintra_cdf[bsize], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->wedge_interintra_cdf[bsize], 2 ); | |||
| 1401 | if (mbmi->use_wedge_interintra) { | |||
| 1402 | mbmi->interintra_wedge_index = (int8_t)aom_read_symbol(aom_read_symbol_(r, ec_ctx->wedge_idx_cdf[bsize], 16 ) | |||
| 1403 | r, ec_ctx->wedge_idx_cdf[bsize], MAX_WEDGE_TYPES, ACCT_STR)aom_read_symbol_(r, ec_ctx->wedge_idx_cdf[bsize], 16 ); | |||
| 1404 | } | |||
| 1405 | } | |||
| 1406 | } | |||
| 1407 | } | |||
| 1408 | ||||
| 1409 | for (int ref = 0; ref < 1 + has_second_ref(mbmi); ++ref) { | |||
| 1410 | const MV_REFERENCE_FRAME frame = mbmi->ref_frame[ref]; | |||
| 1411 | xd->block_ref_scale_factors[ref] = get_ref_scale_factors_const(cm, frame); | |||
| 1412 | } | |||
| 1413 | ||||
| 1414 | mbmi->motion_mode = SIMPLE_TRANSLATION; | |||
| 1415 | if (is_motion_variation_allowed_bsize(mbmi->bsize) && !mbmi->skip_mode && | |||
| 1416 | !has_second_ref(mbmi)) { | |||
| 1417 | mbmi->num_proj_ref = av1_findSamples(cm, xd, pts, pts_inref); | |||
| 1418 | } | |||
| 1419 | av1_count_overlappable_neighbors(cm, xd); | |||
| 1420 | ||||
| 1421 | if (mbmi->ref_frame[1] != INTRA_FRAME) | |||
| 1422 | mbmi->motion_mode = read_motion_mode(cm, xd, mbmi, r); | |||
| 1423 | ||||
| 1424 | // init | |||
| 1425 | mbmi->comp_group_idx = 0; | |||
| 1426 | mbmi->compound_idx = 1; | |||
| 1427 | mbmi->interinter_comp.type = COMPOUND_AVERAGE; | |||
| 1428 | ||||
| 1429 | if (has_second_ref(mbmi) && !mbmi->skip_mode) { | |||
| 1430 | // Read idx to indicate current compound inter prediction mode group | |||
| 1431 | const int masked_compound_used = is_any_masked_compound_used(bsize) && | |||
| 1432 | cm->seq_params->enable_masked_compound; | |||
| 1433 | ||||
| 1434 | if (masked_compound_used) { | |||
| 1435 | const int ctx_comp_group_idx = get_comp_group_idx_context(xd); | |||
| 1436 | mbmi->comp_group_idx = (uint8_t)aom_read_symbol(aom_read_symbol_(r, ec_ctx->comp_group_idx_cdf[ctx_comp_group_idx ], 2 ) | |||
| 1437 | r, ec_ctx->comp_group_idx_cdf[ctx_comp_group_idx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->comp_group_idx_cdf[ctx_comp_group_idx ], 2 ); | |||
| 1438 | } | |||
| 1439 | ||||
| 1440 | if (mbmi->comp_group_idx == 0) { | |||
| 1441 | if (cm->seq_params->order_hint_info.enable_dist_wtd_comp) { | |||
| 1442 | const int comp_index_ctx = get_comp_index_context(cm, xd); | |||
| 1443 | mbmi->compound_idx = (uint8_t)aom_read_symbol(aom_read_symbol_(r, ec_ctx->compound_index_cdf[comp_index_ctx ], 2 ) | |||
| 1444 | r, ec_ctx->compound_index_cdf[comp_index_ctx], 2, ACCT_STR)aom_read_symbol_(r, ec_ctx->compound_index_cdf[comp_index_ctx ], 2 ); | |||
| 1445 | mbmi->interinter_comp.type = | |||
| 1446 | mbmi->compound_idx ? COMPOUND_AVERAGE : COMPOUND_DISTWTD; | |||
| 1447 | } else { | |||
| 1448 | // Distance-weighted compound is disabled, so always use average | |||
| 1449 | mbmi->compound_idx = 1; | |||
| 1450 | mbmi->interinter_comp.type = COMPOUND_AVERAGE; | |||
| 1451 | } | |||
| 1452 | } else { | |||
| 1453 | assert(cm->current_frame.reference_mode != SINGLE_REFERENCE &&((void) sizeof ((cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi ->motion_mode == SIMPLE_TRANSLATION) ? 1 : 0), __extension__ ({ if (cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi ->motion_mode == SIMPLE_TRANSLATION) ; else __assert_fail ( "cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi->motion_mode == SIMPLE_TRANSLATION" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1455, __extension__ __PRETTY_FUNCTION__); })) | |||
| 1454 | is_inter_compound_mode(mbmi->mode) &&((void) sizeof ((cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi ->motion_mode == SIMPLE_TRANSLATION) ? 1 : 0), __extension__ ({ if (cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi ->motion_mode == SIMPLE_TRANSLATION) ; else __assert_fail ( "cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi->motion_mode == SIMPLE_TRANSLATION" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1455, __extension__ __PRETTY_FUNCTION__); })) | |||
| 1455 | mbmi->motion_mode == SIMPLE_TRANSLATION)((void) sizeof ((cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi ->motion_mode == SIMPLE_TRANSLATION) ? 1 : 0), __extension__ ({ if (cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi ->motion_mode == SIMPLE_TRANSLATION) ; else __assert_fail ( "cm->current_frame.reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) && mbmi->motion_mode == SIMPLE_TRANSLATION" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1455, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1456 | assert(masked_compound_used)((void) sizeof ((masked_compound_used) ? 1 : 0), __extension__ ({ if (masked_compound_used) ; else __assert_fail ("masked_compound_used" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1456, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1457 | ||||
| 1458 | // compound_diffwtd, wedge | |||
| 1459 | if (is_interinter_compound_used(COMPOUND_WEDGE, bsize)) { | |||
| 1460 | mbmi->interinter_comp.type = | |||
| 1461 | COMPOUND_WEDGE + aom_read_symbol(r,aom_read_symbol_(r, ec_ctx->compound_type_cdf[bsize], MASKED_COMPOUND_TYPES ) | |||
| 1462 | ec_ctx->compound_type_cdf[bsize],aom_read_symbol_(r, ec_ctx->compound_type_cdf[bsize], MASKED_COMPOUND_TYPES ) | |||
| 1463 | MASKED_COMPOUND_TYPES, ACCT_STR)aom_read_symbol_(r, ec_ctx->compound_type_cdf[bsize], MASKED_COMPOUND_TYPES ); | |||
| 1464 | } else { | |||
| 1465 | mbmi->interinter_comp.type = COMPOUND_DIFFWTD; | |||
| 1466 | } | |||
| 1467 | ||||
| 1468 | if (mbmi->interinter_comp.type == COMPOUND_WEDGE) { | |||
| 1469 | assert(is_interinter_compound_used(COMPOUND_WEDGE, bsize))((void) sizeof ((is_interinter_compound_used(COMPOUND_WEDGE, bsize )) ? 1 : 0), __extension__ ({ if (is_interinter_compound_used (COMPOUND_WEDGE, bsize)) ; else __assert_fail ("is_interinter_compound_used(COMPOUND_WEDGE, bsize)" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1469, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1470 | mbmi->interinter_comp.wedge_index = (int8_t)aom_read_symbol(aom_read_symbol_(r, ec_ctx->wedge_idx_cdf[bsize], 16 ) | |||
| 1471 | r, ec_ctx->wedge_idx_cdf[bsize], MAX_WEDGE_TYPES, ACCT_STR)aom_read_symbol_(r, ec_ctx->wedge_idx_cdf[bsize], 16 ); | |||
| 1472 | mbmi->interinter_comp.wedge_sign = (int8_t)aom_read_bit(r, ACCT_STR)aom_read_bit_(r ); | |||
| 1473 | } else { | |||
| 1474 | assert(mbmi->interinter_comp.type == COMPOUND_DIFFWTD)((void) sizeof ((mbmi->interinter_comp.type == COMPOUND_DIFFWTD ) ? 1 : 0), __extension__ ({ if (mbmi->interinter_comp.type == COMPOUND_DIFFWTD) ; else __assert_fail ("mbmi->interinter_comp.type == COMPOUND_DIFFWTD" , "/root/firefox-clang/third_party/aom/av1/decoder/decodemv.c" , 1474, __extension__ __PRETTY_FUNCTION__); })); | |||
| 1475 | mbmi->interinter_comp.mask_type = | |||
| 1476 | aom_read_literal(r, MAX_DIFFWTD_MASK_BITS, ACCT_STR)aom_read_literal_(r, 1 ); | |||
| 1477 | } | |||
| 1478 | } | |||
| 1479 | } | |||
| 1480 | ||||
| 1481 | read_mb_interp_filter(xd, features->interp_filter, | |||
| 1482 | cm->seq_params->enable_dual_filter, mbmi, r); | |||
| 1483 | ||||
| 1484 | if (mbmi->motion_mode == WARPED_CAUSAL) { | |||
| 1485 | const int mi_row = xd->mi_row; | |||
| 1486 | const int mi_col = xd->mi_col; | |||
| 1487 | mbmi->wm_params.wmtype = DEFAULT_WMTYPEAFFINE; | |||
| 1488 | mbmi->wm_params.invalid = 0; | |||
| 1489 | ||||
| 1490 | if (mbmi->num_proj_ref > 1) { | |||
| 1491 | mbmi->num_proj_ref = av1_selectSamples(&mbmi->mv[0].as_mv, pts, pts_inref, | |||
| 1492 | mbmi->num_proj_ref, bsize); | |||
| 1493 | } | |||
| 1494 | ||||
| 1495 | if (av1_find_projection(mbmi->num_proj_ref, pts, pts_inref, bsize, | |||
| 1496 | mbmi->mv[0].as_mv.row, mbmi->mv[0].as_mv.col, | |||
| 1497 | &mbmi->wm_params, mi_row, mi_col)) { | |||
| 1498 | #if WARPED_MOTION_DEBUG0 | |||
| 1499 | printf("Warning: unexpected warped model from aomenc\n"); | |||
| 1500 | #endif | |||
| 1501 | mbmi->wm_params.invalid = 1; | |||
| 1502 | } | |||
| 1503 | } | |||
| 1504 | ||||
| 1505 | xd->cfl.store_y = store_cfl_required(cm, xd); | |||
| 1506 | ||||
| 1507 | #if DEC_MISMATCH_DEBUG0 | |||
| 1508 | dec_dump_logs(cm, mi, mi_row, mi_col, mode_ctx); | |||
| 1509 | #endif // DEC_MISMATCH_DEBUG | |||
| 1510 | } | |||
| 1511 | ||||
| 1512 | static void read_inter_frame_mode_info(AV1Decoder *const pbi, | |||
| 1513 | DecoderCodingBlock *dcb, aom_reader *r) { | |||
| 1514 | AV1_COMMON *const cm = &pbi->common; | |||
| 1515 | MACROBLOCKD *const xd = &dcb->xd; | |||
| 1516 | MB_MODE_INFO *const mbmi = xd->mi[0]; | |||
| 1517 | int inter_block = 1; | |||
| 1518 | ||||
| 1519 | mbmi->mv[0].as_int = 0; | |||
| 1520 | mbmi->mv[1].as_int = 0; | |||
| 1521 | mbmi->segment_id = read_inter_segment_id(cm, xd, 1, r); | |||
| 1522 | ||||
| 1523 | mbmi->skip_mode = read_skip_mode(cm, xd, mbmi->segment_id, r); | |||
| 1524 | ||||
| 1525 | if (mbmi->skip_mode) | |||
| 1526 | mbmi->skip_txfm = 1; | |||
| 1527 | else | |||
| 1528 | mbmi->skip_txfm = read_skip_txfm(cm, xd, mbmi->segment_id, r); | |||
| 1529 | ||||
| 1530 | if (!cm->seg.segid_preskip) | |||
| 1531 | mbmi->segment_id = read_inter_segment_id(cm, xd, 0, r); | |||
| 1532 | ||||
| 1533 | read_cdef(cm, r, xd); | |||
| 1534 | ||||
| 1535 | read_delta_q_params(cm, xd, r); | |||
| 1536 | ||||
| 1537 | if (!mbmi->skip_mode) | |||
| 1538 | inter_block = read_is_inter_block(cm, xd, mbmi->segment_id, r); | |||
| 1539 | ||||
| 1540 | mbmi->current_qindex = xd->current_base_qindex; | |||
| 1541 | ||||
| 1542 | xd->above_txfm_context = | |||
| 1543 | cm->above_contexts.txfm[xd->tile.tile_row] + xd->mi_col; | |||
| 1544 | xd->left_txfm_context = | |||
| 1545 | xd->left_txfm_context_buffer + (xd->mi_row & MAX_MIB_MASK((1 << (7 - 2)) - 1)); | |||
| 1546 | ||||
| 1547 | if (inter_block) | |||
| 1548 | read_inter_block_mode_info(pbi, dcb, mbmi, r); | |||
| 1549 | else | |||
| 1550 | read_intra_block_mode_info(cm, xd, mbmi, r); | |||
| 1551 | } | |||
| 1552 | ||||
| 1553 | static void intra_copy_frame_mvs(AV1_COMMON *const cm, int mi_row, int mi_col, | |||
| 1554 | int x_mis, int y_mis) { | |||
| 1555 | const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1)(((cm->mi_params.mi_cols) + (((1 << (1)) >> 1) )) >> (1)); | |||
| 1556 | MV_REF *frame_mvs = | |||
| 1557 | cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); | |||
| 1558 | x_mis = ROUND_POWER_OF_TWO(x_mis, 1)(((x_mis) + (((1 << (1)) >> 1))) >> (1)); | |||
| 1559 | y_mis = ROUND_POWER_OF_TWO(y_mis, 1)(((y_mis) + (((1 << (1)) >> 1))) >> (1)); | |||
| 1560 | ||||
| 1561 | for (int h = 0; h < y_mis; h++) { | |||
| 1562 | MV_REF *mv = frame_mvs; | |||
| 1563 | for (int w = 0; w < x_mis; w++) { | |||
| 1564 | mv->ref_frame = NONE_FRAME; | |||
| 1565 | mv++; | |||
| 1566 | } | |||
| 1567 | frame_mvs += frame_mvs_stride; | |||
| 1568 | } | |||
| 1569 | } | |||
| 1570 | ||||
| 1571 | void av1_read_mode_info(AV1Decoder *const pbi, DecoderCodingBlock *dcb, | |||
| 1572 | aom_reader *r, int x_mis, int y_mis) { | |||
| 1573 | AV1_COMMON *const cm = &pbi->common; | |||
| 1574 | MACROBLOCKD *const xd = &dcb->xd; | |||
| 1575 | MB_MODE_INFO *const mi = xd->mi[0]; | |||
| 1576 | mi->use_intrabc = 0; | |||
| 1577 | ||||
| 1578 | if (frame_is_intra_only(cm)) { | |||
| 1579 | read_intra_frame_mode_info(cm, dcb, r); | |||
| 1580 | if (cm->seq_params->order_hint_info.enable_ref_frame_mvs) | |||
| 1581 | intra_copy_frame_mvs(cm, xd->mi_row, xd->mi_col, x_mis, y_mis); | |||
| 1582 | } else { | |||
| 1583 | read_inter_frame_mode_info(pbi, dcb, r); | |||
| 1584 | if (cm->seq_params->order_hint_info.enable_ref_frame_mvs) | |||
| 1585 | av1_copy_frame_mvs(cm, mi, xd->mi_row, xd->mi_col, x_mis, y_mis); | |||
| 1586 | } | |||
| 1587 | } |