decodeframe.c 209 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
Yaowu Xu's avatar
Yaowu Xu committed
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
3
 *
Yaowu Xu's avatar
Yaowu Xu committed
4 5 6 7 8 9
 * 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.
Jingning Han's avatar
Jingning Han committed
10 11 12 13 14
 */

#include <assert.h>
#include <stdlib.h>  // qsort()

Yaowu Xu's avatar
Yaowu Xu committed
15 16 17
#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
#include "./aom_scale_rtcd.h"
Jingning Han's avatar
Jingning Han committed
18
#include "./av1_rtcd.h"
Jingning Han's avatar
Jingning Han committed
19

20
#include "aom/aom_codec.h"
Yaowu Xu's avatar
Yaowu Xu committed
21
#include "aom_dsp/aom_dsp_common.h"
Jingning Han's avatar
Jingning Han committed
22 23
#include "aom_dsp/bitreader.h"
#include "aom_dsp/bitreader_buffer.h"
24
#include "aom_dsp/binary_codes_reader.h"
Yaowu Xu's avatar
Yaowu Xu committed
25
#include "aom_mem/aom_mem.h"
26 27
#include "aom_ports/mem.h"
#include "aom_ports/mem_ops.h"
Yaowu Xu's avatar
Yaowu Xu committed
28 29
#include "aom_scale/aom_scale.h"
#include "aom_util/aom_thread.h"
Jingning Han's avatar
Jingning Han committed
30

31 32 33 34
#if CONFIG_BITSTREAM_DEBUG
#include "aom_util/debug_util.h"
#endif  // CONFIG_BITSTREAM_DEBUG

35
#include "av1/common/alloccommon.h"
36
#if CONFIG_CDEF
37
#include "av1/common/cdef.h"
38
#include "av1/common/clpf.h"
39
#endif
40 41 42
#if CONFIG_INSPECTION
#include "av1/decoder/inspection.h"
#endif
43 44 45
#include "av1/common/common.h"
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
46
#include "av1/common/entropymv.h"
47 48 49 50
#include "av1/common/idct.h"
#include "av1/common/pred_common.h"
#include "av1/common/quant_common.h"
#include "av1/common/reconinter.h"
Jingning Han's avatar
Jingning Han committed
51
#include "av1/common/reconintra.h"
52 53 54
#if CONFIG_FRAME_SUPERRES
#include "av1/common/resize.h"
#endif  // CONFIG_FRAME_SUPERRES
55
#include "av1/common/seg_common.h"
Jingning Han's avatar
Jingning Han committed
56
#include "av1/common/thread_common.h"
57
#include "av1/common/tile_common.h"
58

59 60 61
#include "av1/decoder/decodeframe.h"
#include "av1/decoder/decodemv.h"
#include "av1/decoder/decoder.h"
Angie Chiang's avatar
Angie Chiang committed
62 63 64
#if CONFIG_LV_MAP
#include "av1/decoder/decodetxb.h"
#endif
Jingning Han's avatar
Jingning Han committed
65
#include "av1/decoder/detokenize.h"
66
#include "av1/decoder/dsubexp.h"
Jingning Han's avatar
Jingning Han committed
67

68
#if CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION
Yue Chen's avatar
Yue Chen committed
69
#include "av1/common/warped_motion.h"
70
#endif  // CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION
Yue Chen's avatar
Yue Chen committed
71

Yaowu Xu's avatar
Yaowu Xu committed
72
#define MAX_AV1_HEADER_SIZE 80
Michael Bebenita's avatar
Michael Bebenita committed
73
#define ACCT_STR __func__
Jingning Han's avatar
Jingning Han committed
74

75 76
#if CONFIG_PVQ
#include "av1/common/partition.h"
hui su's avatar
hui su committed
77 78
#include "av1/common/pvq.h"
#include "av1/common/scan.h"
79
#include "av1/decoder/decint.h"
hui su's avatar
hui su committed
80 81
#include "av1/decoder/pvq_decoder.h"
#include "av1/encoder/encodemb.h"
82 83 84
#include "av1/encoder/hybrid_fwd_txfm.h"
#endif

85 86 87 88
#if CONFIG_CFL
#include "av1/common/cfl.h"
#endif

89 90 91 92 93 94 95 96
static struct aom_read_bit_buffer *init_read_bit_buffer(
    AV1Decoder *pbi, struct aom_read_bit_buffer *rb, const uint8_t *data,
    const uint8_t *data_end, uint8_t clear_data[MAX_AV1_HEADER_SIZE]);
static int read_compressed_header(AV1Decoder *pbi, const uint8_t *data,
                                  size_t partition_size);
static size_t read_uncompressed_header(AV1Decoder *pbi,
                                       struct aom_read_bit_buffer *rb);

Yaowu Xu's avatar
Yaowu Xu committed
97
static int is_compound_reference_allowed(const AV1_COMMON *cm) {
98
#if CONFIG_ONE_SIDED_COMPOUND  // Normative in decoder
99 100
  return !frame_is_intra_only(cm);
#else
Jingning Han's avatar
Jingning Han committed
101
  int i;
102
  if (frame_is_intra_only(cm)) return 0;
103
  for (i = 1; i < INTER_REFS_PER_FRAME; ++i)
104
    if (cm->ref_frame_sign_bias[i + 1] != cm->ref_frame_sign_bias[1]) return 1;
Jingning Han's avatar
Jingning Han committed
105 106

  return 0;
107
#endif
Jingning Han's avatar
Jingning Han committed
108 109
}

Yaowu Xu's avatar
Yaowu Xu committed
110
static void setup_compound_reference_mode(AV1_COMMON *cm) {
111
#if CONFIG_EXT_REFS
112
  cm->comp_fwd_ref[0] = LAST_FRAME;
113 114 115 116
  cm->comp_fwd_ref[1] = LAST2_FRAME;
  cm->comp_fwd_ref[2] = LAST3_FRAME;
  cm->comp_fwd_ref[3] = GOLDEN_FRAME;

117 118
  cm->comp_bwd_ref[0] = BWDREF_FRAME;
  cm->comp_bwd_ref[1] = ALTREF_FRAME;
119
#else
Jingning Han's avatar
Jingning Han committed
120
  if (cm->ref_frame_sign_bias[LAST_FRAME] ==
121
      cm->ref_frame_sign_bias[GOLDEN_FRAME]) {
Jingning Han's avatar
Jingning Han committed
122 123 124 125
    cm->comp_fixed_ref = ALTREF_FRAME;
    cm->comp_var_ref[0] = LAST_FRAME;
    cm->comp_var_ref[1] = GOLDEN_FRAME;
  } else if (cm->ref_frame_sign_bias[LAST_FRAME] ==
126
             cm->ref_frame_sign_bias[ALTREF_FRAME]) {
Jingning Han's avatar
Jingning Han committed
127 128 129 130 131 132 133 134
    cm->comp_fixed_ref = GOLDEN_FRAME;
    cm->comp_var_ref[0] = LAST_FRAME;
    cm->comp_var_ref[1] = ALTREF_FRAME;
  } else {
    cm->comp_fixed_ref = LAST_FRAME;
    cm->comp_var_ref[0] = GOLDEN_FRAME;
    cm->comp_var_ref[1] = ALTREF_FRAME;
  }
135
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
136 137 138 139 140 141
}

static int read_is_valid(const uint8_t *start, size_t len, const uint8_t *end) {
  return len != 0 && len <= (size_t)(end - start);
}

Yaowu Xu's avatar
Yaowu Xu committed
142 143
static int decode_unsigned_max(struct aom_read_bit_buffer *rb, int max) {
  const int data = aom_rb_read_literal(rb, get_unsigned_bits(max));
Jingning Han's avatar
Jingning Han committed
144 145 146
  return data > max ? max : data;
}

147 148 149
static TX_MODE read_tx_mode(AV1_COMMON *cm, MACROBLOCKD *xd,
                            struct aom_read_bit_buffer *rb) {
  int i, all_lossless = 1;
150
#if CONFIG_TX64X64
151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
  TX_MODE tx_mode;
#endif

  if (cm->seg.enabled) {
    for (i = 0; i < MAX_SEGMENTS; ++i) {
      if (!xd->lossless[i]) {
        all_lossless = 0;
        break;
      }
    }
  } else {
    all_lossless = xd->lossless[0];
  }

  if (all_lossless) return ONLY_4X4;
#if CONFIG_TX64X64
  tx_mode = aom_rb_read_bit(rb) ? TX_MODE_SELECT : aom_rb_read_literal(rb, 2);
168 169 170
  if (tx_mode == ALLOW_32X32) tx_mode += aom_rb_read_bit(rb);
  return tx_mode;
#else
Yaowu Xu's avatar
Yaowu Xu committed
171
  return aom_rb_read_bit(rb) ? TX_MODE_SELECT : aom_rb_read_literal(rb, 2);
172
#endif  // CONFIG_TX64X64
173
}
Jingning Han's avatar
Jingning Han committed
174

175
#if !CONFIG_EC_ADAPT
Yaowu Xu's avatar
Yaowu Xu committed
176 177 178 179 180 181 182
static void read_tx_size_probs(FRAME_CONTEXT *fc, aom_reader *r) {
  int i, j, k;
  for (i = 0; i < MAX_TX_DEPTH; ++i)
    for (j = 0; j < TX_SIZE_CONTEXTS; ++j)
      for (k = 0; k < i + 1; ++k)
        av1_diff_update_prob(r, &fc->tx_size_probs[i][j][k], ACCT_STR);
}
183
#endif
Yaowu Xu's avatar
Yaowu Xu committed
184

185
#if !CONFIG_EC_ADAPT
Yaowu Xu's avatar
Yaowu Xu committed
186
static void read_switchable_interp_probs(FRAME_CONTEXT *fc, aom_reader *r) {
Jingning Han's avatar
Jingning Han committed
187
  int i, j;
188
  for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j) {
Jingning Han's avatar
Jingning Han committed
189
    for (i = 0; i < SWITCHABLE_FILTERS - 1; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
190
      av1_diff_update_prob(r, &fc->switchable_interp_prob[j][i], ACCT_STR);
191
  }
Jingning Han's avatar
Jingning Han committed
192
}
193
#endif
Jingning Han's avatar
Jingning Han committed
194

195
#if !CONFIG_NEW_MULTISYMBOL
Yaowu Xu's avatar
Yaowu Xu committed
196
static void read_inter_mode_probs(FRAME_CONTEXT *fc, aom_reader *r) {
197
  int i;
198
  for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
199
    av1_diff_update_prob(r, &fc->newmv_prob[i], ACCT_STR);
200
  for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
201
    av1_diff_update_prob(r, &fc->zeromv_prob[i], ACCT_STR);
202
  for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
203
    av1_diff_update_prob(r, &fc->refmv_prob[i], ACCT_STR);
204
  for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
205
    av1_diff_update_prob(r, &fc->drl_prob[i], ACCT_STR);
Jingning Han's avatar
Jingning Han committed
206
}
207
#endif
Jingning Han's avatar
Jingning Han committed
208

209
#if CONFIG_EXT_INTER
Yaowu Xu's avatar
Yaowu Xu committed
210
static void read_inter_compound_mode_probs(FRAME_CONTEXT *fc, aom_reader *r) {
211
  int i, j;
Michael Bebenita's avatar
Michael Bebenita committed
212
  if (aom_read(r, GROUP_DIFF_UPDATE_PROB, ACCT_STR)) {
213 214
    for (j = 0; j < INTER_MODE_CONTEXTS; ++j) {
      for (i = 0; i < INTER_COMPOUND_MODES - 1; ++i) {
Michael Bebenita's avatar
Michael Bebenita committed
215
        av1_diff_update_prob(r, &fc->inter_compound_mode_probs[j][i], ACCT_STR);
216 217 218 219
      }
    }
  }
}
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234

#if CONFIG_COMPOUND_SINGLEREF
static void read_inter_singleref_comp_mode_probs(FRAME_CONTEXT *fc,
                                                 aom_reader *r) {
  int i, j;
  if (aom_read(r, GROUP_DIFF_UPDATE_PROB, ACCT_STR)) {
    for (j = 0; j < INTER_MODE_CONTEXTS; ++j) {
      for (i = 0; i < INTER_SINGLEREF_COMP_MODES - 1; ++i) {
        av1_diff_update_prob(r, &fc->inter_singleref_comp_mode_probs[j][i],
                             ACCT_STR);
      }
    }
  }
}
#endif  // CONFIG_COMPOUND_SINGLEREF
235
#endif  // CONFIG_EXT_INTER
236

237
#if !CONFIG_EC_ADAPT
238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257
#if !CONFIG_EXT_TX
static void read_ext_tx_probs(FRAME_CONTEXT *fc, aom_reader *r) {
  int i, j, k;
  if (aom_read(r, GROUP_DIFF_UPDATE_PROB, ACCT_STR)) {
    for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
      for (j = 0; j < TX_TYPES; ++j) {
        for (k = 0; k < TX_TYPES - 1; ++k)
          av1_diff_update_prob(r, &fc->intra_ext_tx_prob[i][j][k], ACCT_STR);
      }
    }
  }
  if (aom_read(r, GROUP_DIFF_UPDATE_PROB, ACCT_STR)) {
    for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
      for (k = 0; k < TX_TYPES - 1; ++k)
        av1_diff_update_prob(r, &fc->inter_ext_tx_prob[i][k], ACCT_STR);
    }
  }
}
#endif
#endif
258

259
static REFERENCE_MODE read_frame_reference_mode(
Yaowu Xu's avatar
Yaowu Xu committed
260
    const AV1_COMMON *cm, struct aom_read_bit_buffer *rb) {
261
  if (is_compound_reference_allowed(cm)) {
Zoe Liu's avatar
Zoe Liu committed
262 263 264
#if CONFIG_REF_ADAPT
    return aom_rb_read_bit(rb) ? REFERENCE_MODE_SELECT : SINGLE_REFERENCE;
#else
Yaowu Xu's avatar
Yaowu Xu committed
265
    return aom_rb_read_bit(rb)
266
               ? REFERENCE_MODE_SELECT
Yaowu Xu's avatar
Yaowu Xu committed
267
               : (aom_rb_read_bit(rb) ? COMPOUND_REFERENCE : SINGLE_REFERENCE);
Zoe Liu's avatar
Zoe Liu committed
268
#endif  // CONFIG_REF_ADAPT
269 270 271 272
  } else {
    return SINGLE_REFERENCE;
  }
}
Jingning Han's avatar
Jingning Han committed
273

Yaowu Xu's avatar
Yaowu Xu committed
274
static void read_frame_reference_mode_probs(AV1_COMMON *cm, aom_reader *r) {
Jingning Han's avatar
Jingning Han committed
275
  FRAME_CONTEXT *const fc = cm->fc;
276
  int i, j;
Jingning Han's avatar
Jingning Han committed
277 278 279

  if (cm->reference_mode == REFERENCE_MODE_SELECT)
    for (i = 0; i < COMP_INTER_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
280
      av1_diff_update_prob(r, &fc->comp_inter_prob[i], ACCT_STR);
Jingning Han's avatar
Jingning Han committed
281

282
  if (cm->reference_mode != COMPOUND_REFERENCE) {
Jingning Han's avatar
Jingning Han committed
283
    for (i = 0; i < REF_CONTEXTS; ++i) {
284
      for (j = 0; j < (SINGLE_REFS - 1); ++j) {
Michael Bebenita's avatar
Michael Bebenita committed
285
        av1_diff_update_prob(r, &fc->single_ref_prob[i][j], ACCT_STR);
286
      }
Jingning Han's avatar
Jingning Han committed
287
    }
288
  }
Jingning Han's avatar
Jingning Han committed
289

290 291
  if (cm->reference_mode != SINGLE_REFERENCE) {
    for (i = 0; i < REF_CONTEXTS; ++i) {
292
#if CONFIG_EXT_REFS
293
      for (j = 0; j < (FWD_REFS - 1); ++j)
Michael Bebenita's avatar
Michael Bebenita committed
294
        av1_diff_update_prob(r, &fc->comp_ref_prob[i][j], ACCT_STR);
295
      for (j = 0; j < (BWD_REFS - 1); ++j)
Michael Bebenita's avatar
Michael Bebenita committed
296
        av1_diff_update_prob(r, &fc->comp_bwdref_prob[i][j], ACCT_STR);
297 298
#else
      for (j = 0; j < (COMP_REFS - 1); ++j)
Michael Bebenita's avatar
Michael Bebenita committed
299
        av1_diff_update_prob(r, &fc->comp_ref_prob[i][j], ACCT_STR);
300
#endif  // CONFIG_EXT_REFS
301 302
    }
  }
Jingning Han's avatar
Jingning Han committed
303 304
}

Yaowu Xu's avatar
Yaowu Xu committed
305
static void update_mv_probs(aom_prob *p, int n, aom_reader *r) {
Jingning Han's avatar
Jingning Han committed
306
  int i;
Michael Bebenita's avatar
Michael Bebenita committed
307
  for (i = 0; i < n; ++i) av1_diff_update_prob(r, &p[i], ACCT_STR);
Jingning Han's avatar
Jingning Han committed
308 309
}

Yaowu Xu's avatar
Yaowu Xu committed
310
static void read_mv_probs(nmv_context *ctx, int allow_hp, aom_reader *r) {
311
  int i;
Jingning Han's avatar
Jingning Han committed
312

Yaowu Xu's avatar
Yaowu Xu committed
313
#if !CONFIG_EC_ADAPT
314
  int j;
Jingning Han's avatar
Jingning Han committed
315 316 317 318 319 320 321 322 323 324 325
  update_mv_probs(ctx->joints, MV_JOINTS - 1, r);

  for (i = 0; i < 2; ++i) {
    nmv_component *const comp_ctx = &ctx->comps[i];
    update_mv_probs(&comp_ctx->sign, 1, r);
    update_mv_probs(comp_ctx->classes, MV_CLASSES - 1, r);
    update_mv_probs(comp_ctx->class0, CLASS0_SIZE - 1, r);
    update_mv_probs(comp_ctx->bits, MV_OFFSET_BITS, r);
  }
  for (i = 0; i < 2; ++i) {
    nmv_component *const comp_ctx = &ctx->comps[i];
326
    for (j = 0; j < CLASS0_SIZE; ++j) {
Jingning Han's avatar
Jingning Han committed
327
      update_mv_probs(comp_ctx->class0_fp[j], MV_FP_SIZE - 1, r);
328
    }
329
    update_mv_probs(comp_ctx->fp, MV_FP_SIZE - 1, r);
Jingning Han's avatar
Jingning Han committed
330
  }
331
#endif  // !CONFIG_EC_ADAPT
Jingning Han's avatar
Jingning Han committed
332 333 334 335 336 337 338 339 340 341

  if (allow_hp) {
    for (i = 0; i < 2; ++i) {
      nmv_component *const comp_ctx = &ctx->comps[i];
      update_mv_probs(&comp_ctx->class0_hp, 1, r);
      update_mv_probs(&comp_ctx->hp, 1, r);
    }
  }
}

342
static void inverse_transform_block(MACROBLOCKD *xd, int plane,
343
                                    const TX_TYPE tx_type,
344
                                    const TX_SIZE tx_size, uint8_t *dst,
345
                                    int stride, int16_t scan_line, int eob) {
Jingning Han's avatar
Jingning Han committed
346
  struct macroblockd_plane *const pd = &xd->plane[plane];
347
  tran_low_t *const dqcoeff = pd->dqcoeff;
Angie Chiang's avatar
Angie Chiang committed
348
  av1_inverse_transform_block(xd, dqcoeff, tx_type, tx_size, dst, stride, eob);
349
  memset(dqcoeff, 0, (scan_line + 1) * sizeof(dqcoeff[0]));
Jingning Han's avatar
Jingning Han committed
350 351
}

352
#if CONFIG_PVQ
Thomas Daede's avatar
Thomas Daede committed
353
static int av1_pvq_decode_helper(MACROBLOCKD *xd, tran_low_t *ref_coeff,
354
                                 tran_low_t *dqcoeff, int16_t *quant, int pli,
355
                                 int bs, TX_TYPE tx_type, int xdec,
ltrudeau's avatar
ltrudeau committed
356
                                 PVQ_SKIP_TYPE ac_dc_coded) {
357 358 359 360
  unsigned int flags;  // used for daala's stream analyzer.
  int off;
  const int is_keyframe = 0;
  const int has_dc_skip = 1;
361
  int coeff_shift = 3 - av1_get_tx_scale(bs);
Thomas Daede's avatar
Thomas Daede committed
362
  int hbd_downshift = 0;
363
  int rounding_mask;
364 365 366 367 368 369
  // DC quantizer for PVQ
  int pvq_dc_quant;
  int lossless = (quant[0] == 0);
  const int blk_size = tx_size_wide[bs];
  int eob = 0;
  int i;
Thomas Daede's avatar
Thomas Daede committed
370
  od_dec_ctx *dec = &xd->daala_dec;
371
  int use_activity_masking = dec->use_activity_masking;
372 373
  DECLARE_ALIGNED(16, tran_low_t, dqcoeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]);
  DECLARE_ALIGNED(16, tran_low_t, ref_coeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]);
374

375 376
  od_coeff ref_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX];
  od_coeff out_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX];
377

Thomas Daede's avatar
Thomas Daede committed
378 379
  hbd_downshift = xd->bd - 8;

380 381 382
  od_raster_to_coding_order(ref_coeff_pvq, blk_size, tx_type, ref_coeff,
                            blk_size);

Thomas Daede's avatar
Thomas Daede committed
383
  assert(OD_COEFF_SHIFT >= 4);
384 385 386
  if (lossless)
    pvq_dc_quant = 1;
  else {
387 388
    if (use_activity_masking)
      pvq_dc_quant = OD_MAXI(
Thomas Daede's avatar
Thomas Daede committed
389
          1, (quant[0] << (OD_COEFF_SHIFT - 3) >> hbd_downshift) *
390 391 392
                     dec->state.pvq_qm_q4[pli][od_qm_get_index(bs, 0)] >>
                 4);
    else
Thomas Daede's avatar
Thomas Daede committed
393 394
      pvq_dc_quant =
          OD_MAXI(1, quant[0] << (OD_COEFF_SHIFT - 3) >> hbd_downshift);
395 396 397 398 399
  }

  off = od_qm_offset(bs, xdec);

  // copy int16 inputs to int32
400
  for (i = 0; i < blk_size * blk_size; i++) {
401
    ref_int32[i] =
Thomas Daede's avatar
Thomas Daede committed
402 403
        AOM_SIGNED_SHL(ref_coeff_pvq[i], OD_COEFF_SHIFT - coeff_shift) >>
        hbd_downshift;
404
  }
405

Thomas Daede's avatar
Thomas Daede committed
406 407
  od_pvq_decode(dec, ref_int32, out_int32,
                OD_MAXI(1, quant[1] << (OD_COEFF_SHIFT - 3) >> hbd_downshift),
408
                pli, bs, OD_PVQ_BETA[use_activity_masking][pli][bs],
409 410
                is_keyframe, &flags, ac_dc_coded, dec->state.qm + off,
                dec->state.qm_inv + off);
411

412 413
  if (!has_dc_skip || out_int32[0]) {
    out_int32[0] =
414
        has_dc_skip + generic_decode(dec->r, &dec->state.adapt->model_dc[pli],
415 416
                                     &dec->state.adapt->ex_dc[pli][bs][0], 2,
                                     "dc:mag");
417 418 419 420 421 422 423 424
    if (out_int32[0]) out_int32[0] *= aom_read_bit(dec->r, "dc:sign") ? -1 : 1;
  }
  out_int32[0] = out_int32[0] * pvq_dc_quant + ref_int32[0];

  // copy int32 result back to int16
  assert(OD_COEFF_SHIFT > coeff_shift);
  rounding_mask = (1 << (OD_COEFF_SHIFT - coeff_shift - 1)) - 1;
  for (i = 0; i < blk_size * blk_size; i++) {
Thomas Daede's avatar
Thomas Daede committed
425
    out_int32[i] = AOM_SIGNED_SHL(out_int32[i], hbd_downshift);
426 427
    dqcoeff_pvq[i] = (out_int32[i] + (out_int32[i] < 0) + rounding_mask) >>
                     (OD_COEFF_SHIFT - coeff_shift);
428 429 430 431 432 433 434 435 436
  }

  od_coding_order_to_raster(dqcoeff, blk_size, tx_type, dqcoeff_pvq, blk_size);

  eob = blk_size * blk_size;

  return eob;
}

ltrudeau's avatar
ltrudeau committed
437 438 439 440 441 442
static PVQ_SKIP_TYPE read_pvq_skip(AV1_COMMON *cm, MACROBLOCKD *const xd,
                                   int plane, TX_SIZE tx_size) {
  // decode ac/dc coded flag. bit0: DC coded, bit1 : AC coded
  // NOTE : we don't use 5 symbols for luma here in aom codebase,
  // since block partition is taken care of by aom.
  // So, only AC/DC skip info is coded
443
  const int ac_dc_coded = aom_read_symbol(
ltrudeau's avatar
ltrudeau committed
444
      xd->daala_dec.r,
445
      xd->daala_dec.state.adapt->skip_cdf[2 * tx_size + (plane != 0)], 4,
446
      "skip");
ltrudeau's avatar
ltrudeau committed
447 448 449 450 451 452 453 454
  if (ac_dc_coded < 0 || ac_dc_coded > 3) {
    aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
                       "Invalid PVQ Skip Type");
  }
  return ac_dc_coded;
}

static int av1_pvq_decode_helper2(AV1_COMMON *cm, MACROBLOCKD *const xd,
455 456
                                  MB_MODE_INFO *const mbmi, int plane, int row,
                                  int col, TX_SIZE tx_size, TX_TYPE tx_type) {
457 458 459 460 461 462 463 464 465 466
  struct macroblockd_plane *const pd = &xd->plane[plane];
  // transform block size in pixels
  int tx_blk_size = tx_size_wide[tx_size];
  int i, j;
  tran_low_t *pvq_ref_coeff = pd->pvq_ref_coeff;
  const int diff_stride = tx_blk_size;
  int16_t *pred = pd->pred;
  tran_low_t *const dqcoeff = pd->dqcoeff;
  uint8_t *dst;
  int eob;
ltrudeau's avatar
ltrudeau committed
467
  const PVQ_SKIP_TYPE ac_dc_coded = read_pvq_skip(cm, xd, plane, tx_size);
468 469 470 471 472 473 474 475 476

  eob = 0;
  dst = &pd->dst.buf[4 * row * pd->dst.stride + 4 * col];

  if (ac_dc_coded) {
    int xdec = pd->subsampling_x;
    int seg_id = mbmi->segment_id;
    int16_t *quant;
    FWD_TXFM_PARAM fwd_txfm_param;
477 478
    // ToDo(yaowu): correct this with optimal number from decoding process.
    const int max_scan_line = tx_size_2d[tx_size];
479
#if CONFIG_HIGHBITDEPTH
Thomas Daede's avatar
Thomas Daede committed
480 481 482 483 484 485 486 487 488 489
    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
      for (j = 0; j < tx_blk_size; j++)
        for (i = 0; i < tx_blk_size; i++)
          pred[diff_stride * j + i] =
              CONVERT_TO_SHORTPTR(dst)[pd->dst.stride * j + i];
    } else {
#endif
      for (j = 0; j < tx_blk_size; j++)
        for (i = 0; i < tx_blk_size; i++)
          pred[diff_stride * j + i] = dst[pd->dst.stride * j + i];
490
#if CONFIG_HIGHBITDEPTH
Thomas Daede's avatar
Thomas Daede committed
491 492
    }
#endif
493 494 495 496 497

    fwd_txfm_param.tx_type = tx_type;
    fwd_txfm_param.tx_size = tx_size;
    fwd_txfm_param.lossless = xd->lossless[seg_id];

498
#if CONFIG_HIGHBITDEPTH
Thomas Daede's avatar
Thomas Daede committed
499 500
    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
      fwd_txfm_param.bd = xd->bd;
hui su's avatar
hui su committed
501
      av1_highbd_fwd_txfm(pred, pvq_ref_coeff, diff_stride, &fwd_txfm_param);
Thomas Daede's avatar
Thomas Daede committed
502
    } else {
503
#endif  // CONFIG_HIGHBITDEPTH
hui su's avatar
hui su committed
504
      av1_fwd_txfm(pred, pvq_ref_coeff, diff_stride, &fwd_txfm_param);
505
#if CONFIG_HIGHBITDEPTH
Thomas Daede's avatar
Thomas Daede committed
506
    }
507
#endif  // CONFIG_HIGHBITDEPTH
508 509 510

    quant = &pd->seg_dequant[seg_id][0];  // aom's quantizer

Thomas Daede's avatar
Thomas Daede committed
511 512
    eob = av1_pvq_decode_helper(xd, pvq_ref_coeff, dqcoeff, quant, plane,
                                tx_size, tx_type, xdec, ac_dc_coded);
513

514 515
    inverse_transform_block(xd, plane, tx_type, tx_size, dst, pd->dst.stride,
                            max_scan_line, eob);
516 517 518 519 520 521
  }

  return eob;
}
#endif

522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541
static int get_block_idx(const MACROBLOCKD *xd, int plane, int row, int col) {
  const int bsize = xd->mi[0]->mbmi.sb_type;
  const struct macroblockd_plane *pd = &xd->plane[plane];
#if CONFIG_CB4X4
#if CONFIG_CHROMA_2X2
  const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
#else
  const BLOCK_SIZE plane_bsize =
      AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
#endif  // CONFIG_CHROMA_2X2
#else
  const BLOCK_SIZE plane_bsize =
      get_plane_block_size(AOMMAX(BLOCK_8X8, bsize), pd);
#endif
  const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
  const TX_SIZE tx_size = get_tx_size(plane, xd);
  const uint8_t txh_unit = tx_size_high_unit[tx_size];
  return row * max_blocks_wide + col * txh_unit;
}

hui su's avatar
hui su committed
542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585
#if CONFIG_DPCM_INTRA
static void process_block_dpcm_vert(TX_SIZE tx_size, TX_TYPE_1D tx_type_1d,
                                    const tran_low_t *dqcoeff, uint8_t *dst,
                                    int dst_stride) {
  const int tx1d_width = tx_size_wide[tx_size];
  const int tx1d_height = tx_size_high[tx_size];
  dpcm_inv_txfm_add_func inverse_tx =
      av1_get_dpcm_inv_txfm_add_func(tx1d_width);
  for (int r = 0; r < tx1d_height; ++r) {
    if (r > 0) memcpy(dst, dst - dst_stride, tx1d_width * sizeof(dst[0]));
    inverse_tx(dqcoeff, 1, tx_type_1d, dst);
    dqcoeff += tx1d_width;
    dst += dst_stride;
  }
}

static void process_block_dpcm_horz(TX_SIZE tx_size, TX_TYPE_1D tx_type_1d,
                                    const tran_low_t *dqcoeff, uint8_t *dst,
                                    int dst_stride) {
  const int tx1d_width = tx_size_wide[tx_size];
  const int tx1d_height = tx_size_high[tx_size];
  dpcm_inv_txfm_add_func inverse_tx =
      av1_get_dpcm_inv_txfm_add_func(tx1d_height);
  tran_low_t tx_buff[64];
  for (int c = 0; c < tx1d_width; ++c, ++dqcoeff, ++dst) {
    for (int r = 0; r < tx1d_height; ++r) {
      if (c > 0) dst[r * dst_stride] = dst[r * dst_stride - 1];
      tx_buff[r] = dqcoeff[r * tx1d_width];
    }
    inverse_tx(tx_buff, dst_stride, tx_type_1d, dst);
  }
}

#if CONFIG_HIGHBITDEPTH
static void hbd_process_block_dpcm_vert(TX_SIZE tx_size, TX_TYPE_1D tx_type_1d,
                                        int bd, const tran_low_t *dqcoeff,
                                        uint8_t *dst8, int dst_stride) {
  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
  const int tx1d_width = tx_size_wide[tx_size];
  const int tx1d_height = tx_size_high[tx_size];
  hbd_dpcm_inv_txfm_add_func inverse_tx =
      av1_get_hbd_dpcm_inv_txfm_add_func(tx1d_width);
  for (int r = 0; r < tx1d_height; ++r) {
    if (r > 0) memcpy(dst, dst - dst_stride, tx1d_width * sizeof(dst[0]));
586
    inverse_tx(dqcoeff, 1, tx_type_1d, bd, dst, 1);
hui su's avatar
hui su committed
587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613
    dqcoeff += tx1d_width;
    dst += dst_stride;
  }
}

static void hbd_process_block_dpcm_horz(TX_SIZE tx_size, TX_TYPE_1D tx_type_1d,
                                        int bd, const tran_low_t *dqcoeff,
                                        uint8_t *dst8, int dst_stride) {
  uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
  const int tx1d_width = tx_size_wide[tx_size];
  const int tx1d_height = tx_size_high[tx_size];
  hbd_dpcm_inv_txfm_add_func inverse_tx =
      av1_get_hbd_dpcm_inv_txfm_add_func(tx1d_height);
  tran_low_t tx_buff[64];
  switch (tx1d_height) {
    case 4: inverse_tx = av1_hbd_dpcm_inv_txfm_add_4_c; break;
    case 8: inverse_tx = av1_hbd_dpcm_inv_txfm_add_8_c; break;
    case 16: inverse_tx = av1_hbd_dpcm_inv_txfm_add_16_c; break;
    case 32: inverse_tx = av1_hbd_dpcm_inv_txfm_add_32_c; break;
    default: assert(0);
  }

  for (int c = 0; c < tx1d_width; ++c, ++dqcoeff, ++dst) {
    for (int r = 0; r < tx1d_height; ++r) {
      if (c > 0) dst[r * dst_stride] = dst[r * dst_stride - 1];
      tx_buff[r] = dqcoeff[r * tx1d_width];
    }
614
    inverse_tx(tx_buff, dst_stride, tx_type_1d, bd, dst, 0);
hui su's avatar
hui su committed
615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668
  }
}
#endif  // CONFIG_HIGHBITDEPTH

static void inverse_transform_block_dpcm(MACROBLOCKD *xd, int plane,
                                         PREDICTION_MODE mode, TX_SIZE tx_size,
                                         TX_TYPE tx_type, uint8_t *dst,
                                         int dst_stride, int16_t scan_line) {
  struct macroblockd_plane *const pd = &xd->plane[plane];
  tran_low_t *const dqcoeff = pd->dqcoeff;
  TX_TYPE_1D tx_type_1d = DCT_1D;
  switch (tx_type) {
    case IDTX: tx_type_1d = IDTX_1D; break;
    case V_DCT:
      assert(mode == H_PRED);
      tx_type_1d = DCT_1D;
      break;
    case H_DCT:
      assert(mode == V_PRED);
      tx_type_1d = DCT_1D;
      break;
    default: assert(0);
  }
  switch (mode) {
    case V_PRED:
#if CONFIG_HIGHBITDEPTH
      if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
        hbd_process_block_dpcm_vert(tx_size, tx_type_1d, xd->bd, dqcoeff, dst,
                                    dst_stride);
      } else {
#endif  // CONFIG_HIGHBITDEPTH
        process_block_dpcm_vert(tx_size, tx_type_1d, dqcoeff, dst, dst_stride);
#if CONFIG_HIGHBITDEPTH
      }
#endif  // CONFIG_HIGHBITDEPTH
      break;
    case H_PRED:
#if CONFIG_HIGHBITDEPTH
      if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
        hbd_process_block_dpcm_horz(tx_size, tx_type_1d, xd->bd, dqcoeff, dst,
                                    dst_stride);
      } else {
#endif  // CONFIG_HIGHBITDEPTH
        process_block_dpcm_horz(tx_size, tx_type_1d, dqcoeff, dst, dst_stride);
#if CONFIG_HIGHBITDEPTH
      }
#endif  // CONFIG_HIGHBITDEPTH
      break;
    default: assert(0);
  }
  memset(dqcoeff, 0, (scan_line + 1) * sizeof(dqcoeff[0]));
}
#endif  // CONFIG_DPCM_INTRA

669 670 671
static void predict_and_reconstruct_intra_block(
    AV1_COMMON *cm, MACROBLOCKD *const xd, aom_reader *const r,
    MB_MODE_INFO *const mbmi, int plane, int row, int col, TX_SIZE tx_size) {
672
  PLANE_TYPE plane_type = get_plane_type(plane);
673
  const int block_idx = get_block_idx(xd, plane, row, col);
674 675 676
#if CONFIG_PVQ
  (void)r;
#endif
677
  av1_predict_intra_block_facade(xd, plane, block_idx, col, row, tx_size);
Jingning Han's avatar
Jingning Han committed
678 679

  if (!mbmi->skip) {
680
#if !CONFIG_PVQ
681
    struct macroblockd_plane *const pd = &xd->plane[plane];
Angie Chiang's avatar
Angie Chiang committed
682 683
#if CONFIG_LV_MAP
    int16_t max_scan_line = 0;
684 685
    int eob;
    av1_read_coeffs_txb_facade(cm, xd, r, row, col, block_idx, plane,
Jingning Han's avatar
Jingning Han committed
686
                               pd->dqcoeff, tx_size, &max_scan_line, &eob);
687 688
    // tx_type will be read out in av1_read_coeffs_txb_facade
    TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, tx_size);
Angie Chiang's avatar
Angie Chiang committed
689
#else   // CONFIG_LV_MAP
690
    TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, tx_size);
Angie Chiang's avatar
Angie Chiang committed
691
    const SCAN_ORDER *scan_order = get_scan(cm, tx_size, tx_type, 0);
692 693
    int16_t max_scan_line = 0;
    const int eob =
694
        av1_decode_block_tokens(cm, xd, plane, scan_order, col, row, tx_size,
695
                                tx_type, &max_scan_line, r, mbmi->segment_id);
Angie Chiang's avatar
Angie Chiang committed
696
#endif  // CONFIG_LV_MAP
697 698 699
    if (eob) {
      uint8_t *dst =
          &pd->dst.buf[(row * pd->dst.stride + col) << tx_size_wide_log2[0]];
hui su's avatar
hui su committed
700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715
#if CONFIG_DPCM_INTRA
      const int block_raster_idx =
          av1_block_index_to_raster_order(tx_size, block_idx);
      const PREDICTION_MODE mode = (plane == 0)
                                       ? get_y_mode(xd->mi[0], block_raster_idx)
                                       : mbmi->uv_mode;
      if (av1_use_dpcm_intra(plane, mode, tx_type, mbmi)) {
        inverse_transform_block_dpcm(xd, plane, mode, tx_size, tx_type, dst,
                                     pd->dst.stride, max_scan_line);
      } else {
#endif  // CONFIG_DPCM_INTRA
        inverse_transform_block(xd, plane, tx_type, tx_size, dst,
                                pd->dst.stride, max_scan_line, eob);
#if CONFIG_DPCM_INTRA
      }
#endif  // CONFIG_DPCM_INTRA
716
    }
717
#else
718
    TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, tx_size);
ltrudeau's avatar
ltrudeau committed
719
    av1_pvq_decode_helper2(cm, xd, mbmi, plane, row, col, tx_size, tx_type);
720
#endif
Jingning Han's avatar
Jingning Han committed
721
  }
722 723 724 725 726 727 728 729
#if CONFIG_CFL
  if (plane == AOM_PLANE_Y) {
    struct macroblockd_plane *const pd = &xd->plane[plane];
    uint8_t *dst =
        &pd->dst.buf[(row * pd->dst.stride + col) << tx_size_wide_log2[0]];
    cfl_store(xd->cfl, dst, pd->dst.stride, row, col, tx_size);
  }
#endif
Jingning Han's avatar
Jingning Han committed
730 731
}

732
#if CONFIG_VAR_TX && !CONFIG_COEF_INTERLEAVE
Angie Chiang's avatar
Angie Chiang committed
733 734
static void decode_reconstruct_tx(AV1_COMMON *cm, MACROBLOCKD *const xd,
                                  aom_reader *r, MB_MODE_INFO *const mbmi,
735
                                  int plane, BLOCK_SIZE plane_bsize,
736 737
                                  int blk_row, int blk_col, TX_SIZE tx_size,
                                  int *eob_total) {
738
  const struct macroblockd_plane *const pd = &xd->plane[plane];
739
  const BLOCK_SIZE bsize = txsize_to_bsize[tx_size];
740 741
  const int tx_row = blk_row >> (1 - pd->subsampling_y);
  const int tx_col = blk_col >> (1 - pd->subsampling_x);
742
  const TX_SIZE plane_tx_size =
743
      plane ? uv_txsize_lookup[bsize][mbmi->inter_tx_size[tx_row][tx_col]][0][0]
744
            : mbmi->inter_tx_size[tx_row][tx_col];
745
  // Scale to match transform block unit.
746 747
  const int max_blocks_high = max_block_high(xd, plane_bsize, plane);
  const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
748

749
  if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
750

751
  if (tx_size == plane_tx_size) {
752
    PLANE_TYPE plane_type = get_plane_type(plane);
753
    int block_idx = get_block_idx(xd, plane, blk_row, blk_col);
Angie Chiang's avatar
Angie Chiang committed
754 755
#if CONFIG_LV_MAP
    int16_t max_scan_line = 0;
756
    int eob;
757
    av1_read_coeffs_txb_facade(cm, xd, r, blk_row, blk_col, block_idx, plane,
Jingning Han's avatar
Jingning Han committed
758
                               pd->dqcoeff, tx_size, &max_scan_line, &eob);
759 760
    // tx_type will be read out in av1_read_coeffs_txb_facade
    TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, plane_tx_size);
Angie Chiang's avatar
Angie Chiang committed
761
#else   // CONFIG_LV_MAP
762
    TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, plane_tx_size);
Angie Chiang's avatar
Angie Chiang committed
763
    const SCAN_ORDER *sc = get_scan(cm, plane_tx_size, tx_type, 1);
764
    int16_t max_scan_line = 0;
765 766 767
    const int eob = av1_decode_block_tokens(
        cm, xd, plane, sc, blk_col, blk_row, plane_tx_size, tx_type,
        &max_scan_line, r, mbmi->segment_id);
Angie Chiang's avatar
Angie Chiang committed
768
#endif  // CONFIG_LV_MAP
769 770 771 772
    inverse_transform_block(xd, plane, tx_type, plane_tx_size,
                            &pd->dst.buf[(blk_row * pd->dst.stride + blk_col)
                                         << tx_size_wide_log2[0]],
                            pd->dst.stride, max_scan_line, eob);
773 774
    *eob_total += eob;
  } else {
775 776
    const TX_SIZE sub_txs = sub_tx_size_map[tx_size];
    const int bsl = tx_size_wide_unit[sub_txs];
777
    assert(sub_txs < tx_size);
778 779 780 781 782
    int i;

    assert(bsl > 0);

    for (i = 0; i < 4; ++i) {
783 784
      const int offsetr = blk_row + (i >> 1) * bsl;
      const int offsetc = blk_col + (i & 0x01) * bsl;
785

786
      if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue;
787

788
      decode_reconstruct_tx(cm, xd, r, mbmi, plane, plane_bsize, offsetr,
789
                            offsetc, sub_txs, eob_total);
790 791 792
    }
  }
}
793
#endif  // CONFIG_VAR_TX
794

795
#if !CONFIG_VAR_TX || CONFIG_SUPERTX || CONFIG_COEF_INTERLEAVE || \
796
    (!CONFIG_VAR_TX && CONFIG_EXT_TX && CONFIG_RECT_TX)
Angie Chiang's avatar
Angie Chiang committed
797
static int reconstruct_inter_block(AV1_COMMON *cm, MACROBLOCKD *const xd,
798 799
                                   aom_reader *const r, int segment_id,
                                   int plane, int row, int col,
800
                                   TX_SIZE tx_size) {
801
  PLANE_TYPE plane_type = get_plane_type(plane);
802
  int block_idx = get_block_idx(xd, plane, row, col);
803 804 805
#if CONFIG_PVQ
  int eob;
  (void)r;
806 807 808
  (void)segment_id;
#else
  struct macroblockd_plane *const pd = &xd->plane[plane];
809 810 811
#endif

#if !CONFIG_PVQ
Angie Chiang's avatar
Angie Chiang committed
812 813
#if CONFIG_LV_MAP
  (void)segment_id;
814
  int16_t max_scan_line = 0;
815 816 817
  int eob;
  av1_read_coeffs_txb_facade(cm, xd, r, row, col, block_idx, plane, pd->dqcoeff,
                             &max_scan_line, &eob);
818 819
  // tx_type will be read out in av1_read_coeffs_txb_facade
  TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, tx_size);
Angie Chiang's avatar
Angie Chiang committed
820 821
#else   // CONFIG_LV_MAP
  int16_t max_scan_line = 0;
822
  TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, tx_size);
Angie Chiang's avatar
Angie Chiang committed
823
  const SCAN_ORDER *scan_order = get_scan(cm, tx_size, tx_type, 1);
824
  const int eob =
825 826
      av1_decode_block_tokens(cm, xd, plane, scan_order, col, row, tx_size,
                              tx_type, &max_scan_line, r, segment_id);
Angie Chiang's avatar
Angie Chiang committed
827
#endif  // CONFIG_LV_MAP
828 829
  uint8_t *dst =
      &pd->dst.buf[(row * pd->dst.stride + col) << tx_size_wide_log2[0]];
830
  if (eob)
831 832
    inverse_transform_block(xd, plane, tx_type, tx_size, dst, pd->dst.stride,
                            max_scan_line, eob);
833
#else
834
  TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx, tx_size);
ltrudeau's avatar
ltrudeau committed
835 836
  eob = av1_pvq_decode_helper2(cm, xd, &xd->mi[0]->mbmi, plane, row, col,
                               tx_size, tx_type);
837
#endif
Jingning Han's avatar
Jingning Han committed
838 839
  return eob;
}
840
#endif  // !CONFIG_VAR_TX || CONFIG_SUPER_TX
Jingning Han's avatar
Jingning Han committed
841

842 843 844
static void set_offsets(AV1_COMMON *const cm, MACROBLOCKD *const xd,
                        BLOCK_SIZE bsize, int mi_row, int mi_col, int bw,
                        int bh, int x_mis, int y_mis) {
Jingning Han's avatar
Jingning Han committed
845 846 847 848 849 850 851 852 853
  const int offset = mi_row * cm->mi_stride + mi_col;
  int x, y;
  const TileInfo *const tile = &xd->tile;

  xd->mi = cm->mi_grid_visible + offset;
  xd->mi[0] = &cm->mi[offset];
  // TODO(slavarnway): Generate sb_type based on bwl and bhl, instead of
  // passing bsize from decode_partition().
  xd->mi[0]->mbmi.sb_type = bsize;
854 855 856 857
#if CONFIG_RD_DEBUG
  xd->mi[0]->mbmi.mi_row = mi_row;
  xd->mi[0]->mbmi.mi_col = mi_col;
#endif
Jingning Han's avatar
Jingning Han committed
858
  for (y = 0; y < y_mis; ++y)
Jingning Han's avatar
Jingning Han committed
859
    for (x = !y; x < x_mis; ++x) xd->mi[y * cm->mi_stride + x] = xd->mi[0];
Jingning Han's avatar
Jingning Han committed
860

Jingning Han's avatar
Jingning Han committed
861
  set_plane_n4(xd, bw, bh);
Jingning Han's avatar
Jingning Han committed
862 863
  set_skip_context(xd, mi_row, mi_col);

864 865 866 867
#if CONFIG_VAR_TX
  xd->max_tx_size = max_txsize_lookup[bsize];
#endif

868 869 870
  // Distance of Mb to the various image edges. These are specified to 8th pel
  // as they are always compared to values that are in 1/8th pel units
  set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
871
#if CONFIG_DEPENDENT_HORZTILES
872 873 874
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
Jingning Han's avatar
Jingning Han committed
875

876 877
  av1_setup_dst_planes(xd->plane, bsize, get_frame_new_buffer(cm), mi_row,
                       mi_col);
Jingning Han's avatar
Jingning Han committed
878 879
}

880
#if CONFIG_SUPERTX
Yaowu Xu's avatar
Yaowu Xu committed
881
static MB_MODE_INFO *set_offsets_extend(AV1_COMMON *const cm,
882 883
                                        MACROBLOCKD *const xd,
                                        const TileInfo *const tile,
884 885 886
                                        BLOCK_SIZE bsize_pred, int mi_row_pred,
                                        int mi_col_pred, int mi_row_ori,
                                        int mi_col_ori) {
887 888 889
  // Used in supertx
  // (mi_row_ori, mi_col_ori): location for mv
  // (mi_row_pred, mi_col_pred, bsize_pred): region to predict
Jingning Han's avatar
Jingning Han committed
890 891
  const int bw = mi_size_wide[bsize_pred];
  const int bh = mi_size_high[bsize_pred];
892 893 894
  const int offset = mi_row_ori * cm->mi_stride + mi_col_ori;
  xd->mi = cm->mi_grid_visible + offset;
  xd->mi[0] = cm->mi + offset;
895
  set_mi_row_col(xd, tile, mi_row_pred, bh, mi_col_pred, bw,
896
#if CONFIG_DEPENDENT_HORZTILES
897 898 899
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
900

901 902
  xd->up_available = (mi_row_ori > tile->mi_row_start);
  xd->left_available = (mi_col_ori > tile->mi_col_start);
903

Jingning Han's avatar
Jingning Han committed
904
  set_plane_n4(xd, bw, bh);
905 906 907 908

  return &xd->mi[0]->mbmi;
}

Angie Chiang's avatar
Angie Chiang committed
909
#if CONFIG_SUPERTX
Yaowu Xu's avatar
Yaowu Xu committed
910 911 912
static MB_MODE_INFO *set_mb_offsets(AV1_COMMON *const cm, MACROBLOCKD *const xd,
                                    BLOCK_SIZE bsize, int mi_row, int mi_col,
                                    int bw, int bh, int x_mis, int y_mis) {
913 914 915 916 917 918 919 920
  const int offset = mi_row * cm->mi_stride + mi_col;
  const TileInfo *const tile = &xd->tile;
  int x, y;

  xd->mi = cm->mi_grid_visible + offset;
  xd->mi[0] = cm->mi + offset;
  xd->mi[0]->mbmi.sb_type = bsize;
  for (y = 0; y < y_mis; ++y)
921
    for (x = !y; x < x_mis; ++x) xd->mi[y * cm->mi_stride + x] = xd->mi[0];
922

923
  set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
924
#if CONFIG_DEPENDENT_HORZTILES
925 926 927
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
928 929
  return &xd->mi[0]->mbmi;
}
Angie Chiang's avatar
Angie Chiang committed
930
#endif
931

Yaowu Xu's avatar
Yaowu Xu committed
932
static void set_offsets_topblock(AV1_COMMON *const cm, MACROBLOCKD *const xd,
933 934
                                 const TileInfo *const tile, BLOCK_SIZE bsize,
                                 int mi_row, int mi_col) {
Jingning Han's avatar
Jingning Han committed
935 936
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
937 938 939 940 941
  const int offset = mi_row * cm->mi_stride + mi_col;

  xd->mi = cm->mi_grid_visible + offset;
  xd->mi[0] = cm->mi + offset;

Jingning Han's avatar
Jingning Han committed
942
  set_plane_n4(xd, bw, bh);
943

944
  set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
945
#if CONFIG_DEPENDENT_HORZTILES
946 947 948
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
949

950 951
  av1_setup_dst_planes(xd->plane, bsize, get_frame_new_buffer(cm), mi_row,
                       mi_col);
952 953
}

Yaowu Xu's avatar
Yaowu Xu committed
954
static void set_param_topblock(AV1_COMMON *const cm, MACROBLOCKD *const xd,
955
                               BLOCK_SIZE bsize, int mi_row, int mi_col,
956
                               int txfm, int skip) {
Jingning Han's avatar
Jingning Han committed
957 958
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
Yaowu Xu's avatar
Yaowu Xu committed
959 960
  const int x_mis = AOMMIN(bw, cm->mi_cols - mi_col);
  const int y_mis = AOMMIN(bh, cm->mi_rows - mi_row);
961 962 963 964 965 966 967 968 969 970 971
  const int offset = mi_row * cm->mi_stride + mi_col;
  int x, y;

  xd->mi = cm->mi_grid_visible + offset;
  xd->mi[0] = cm->mi + offset;

  for (y = 0; y < y_mis; ++y)
    for (x = 0; x < x_mis; ++x) {
      xd->mi[y * cm->mi_stride + x]->mbmi.skip = skip;
      xd->mi[y * cm->mi_stride + x]->mbmi.tx_type = txfm;
    }
972 973
#if CONFIG_VAR_TX
  xd->above_txfm_context = cm->above_txfm_context + mi_col;
974
  xd->left_txfm_context =
975
      xd->left_txfm_context_buffer + (mi_row & MAX_MIB_MASK);
976
  set_txfm_ctxs(xd->mi[0]->mbmi.tx_size, bw, bh, skip, xd);
977
#endif
978 979
}

Yaowu Xu's avatar
Yaowu Xu committed
980
static void set_ref(AV1_COMMON *const cm, MACROBLOCKD *const xd, int idx,
981
                    int mi_row, int mi_col) {
982
  MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
983 984 985 986 987
#if CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
  RefBuffer *ref_buffer =
      has_second_ref(mbmi) ? &cm->frame_refs[mbmi->ref_frame[idx] - LAST_FRAME]
                           : &cm->frame_refs[mbmi->ref_frame[0] - LAST_FRAME];
#else
988
  RefBuffer *ref_buffer = &cm->frame_refs[mbmi->ref_frame[idx] - LAST_FRAME];
989
#endif  // CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
990
  xd->block_refs[idx] = ref_buffer;
Yaowu Xu's avatar
Yaowu Xu committed
991 992
  if (!av1_is_valid_scale(&ref_buffer->sf))
    aom_internal_error(&cm->error, AOM_CODEC_UNSUP_BITSTREAM,
993
                       "Invalid scale factors");
Yaowu Xu's avatar
Yaowu Xu committed
994 995
  av1_setup_pre_planes(xd, idx, ref_buffer->buf, mi_row, mi_col,
                       &ref_buffer->sf);
996
  aom_merge_corrupted_flag(&xd->corrupted, ref_buffer->buf->corrupted);
997 998 999
}

static void dec_predict_b_extend(
Yaowu Xu's avatar
Yaowu Xu committed
1000
    AV1Decoder *const pbi, MACROBLOCKD *const xd, const TileInfo *const tile,
1001
    int block, int mi_row_ori, int mi_col_