decodeframe.c 206 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
3
 *
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()

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"
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"
25
#include "aom_mem/aom_mem.h"
26 27
#include "aom_ports/mem.h"
#include "aom_ports/mem_ops.h"
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
#endif
39 40 41
#if CONFIG_INSPECTION
#include "av1/decoder/inspection.h"
#endif
42 43 44
#include "av1/common/common.h"
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
45
#include "av1/common/entropymv.h"
46 47 48 49
#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
50
#include "av1/common/reconintra.h"
51 52 53
#if CONFIG_FRAME_SUPERRES
#include "av1/common/resize.h"
#endif  // CONFIG_FRAME_SUPERRES
54
#include "av1/common/seg_common.h"
Jingning Han's avatar
Jingning Han committed
55
#include "av1/common/thread_common.h"
56
#include "av1/common/tile_common.h"
57

58 59 60
#include "av1/decoder/decodeframe.h"
#include "av1/decoder/decodemv.h"
#include "av1/decoder/decoder.h"
61 62 63
#if CONFIG_LV_MAP
#include "av1/decoder/decodetxb.h"
#endif
Jingning Han's avatar
Jingning Han committed
64
#include "av1/decoder/detokenize.h"
65
#include "av1/decoder/dsubexp.h"
Jingning Han's avatar
Jingning Han committed
66

67
#if CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION
Yue Chen's avatar
Yue Chen committed
68
#include "av1/common/warped_motion.h"
69
#endif  // CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION
Yue Chen's avatar
Yue Chen committed
70

71
#define MAX_AV1_HEADER_SIZE 80
Michael Bebenita's avatar
Michael Bebenita committed
72
#define ACCT_STR __func__
Jingning Han's avatar
Jingning Han committed
73

74 75
#if CONFIG_PVQ
#include "av1/common/partition.h"
hui su's avatar
hui su committed
76 77
#include "av1/common/pvq.h"
#include "av1/common/scan.h"
78
#include "av1/decoder/decint.h"
hui su's avatar
hui su committed
79 80
#include "av1/decoder/pvq_decoder.h"
#include "av1/encoder/encodemb.h"
81 82 83
#include "av1/encoder/hybrid_fwd_txfm.h"
#endif

84 85 86 87
#if CONFIG_CFL
#include "av1/common/cfl.h"
#endif

88 89 90 91 92 93 94 95
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);

96
static int is_compound_reference_allowed(const AV1_COMMON *cm) {
97
#if CONFIG_ONE_SIDED_COMPOUND || CONFIG_EXT_COMP_REFS  // Normative in decoder
98 99
  return !frame_is_intra_only(cm);
#else
Jingning Han's avatar
Jingning Han committed
100
  int i;
101
  if (frame_is_intra_only(cm)) return 0;
102
  for (i = 1; i < INTER_REFS_PER_FRAME; ++i)
103
    if (cm->ref_frame_sign_bias[i + 1] != cm->ref_frame_sign_bias[1]) return 1;
Jingning Han's avatar
Jingning Han committed
104 105

  return 0;
106
#endif  // CONFIG_ONE_SIDED_COMPOUND || CONFIG_EXT_COMP_REFS
Jingning Han's avatar
Jingning Han committed
107 108
}

109
static void setup_compound_reference_mode(AV1_COMMON *cm) {
110
#if CONFIG_EXT_REFS
111
  cm->comp_fwd_ref[0] = LAST_FRAME;
112 113 114 115
  cm->comp_fwd_ref[1] = LAST2_FRAME;
  cm->comp_fwd_ref[2] = LAST3_FRAME;
  cm->comp_fwd_ref[3] = GOLDEN_FRAME;

116
  cm->comp_bwd_ref[0] = BWDREF_FRAME;
Zoe Liu's avatar
Zoe Liu committed
117 118 119 120
#if CONFIG_ALTREF2
  cm->comp_bwd_ref[1] = ALTREF2_FRAME;
  cm->comp_bwd_ref[2] = ALTREF_FRAME;
#else   // !CONFIG_ALTREF2
121
  cm->comp_bwd_ref[1] = ALTREF_FRAME;
Zoe Liu's avatar
Zoe Liu committed
122 123
#endif  // CONFIG_ALTREF2
#else   // !CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
124
  if (cm->ref_frame_sign_bias[LAST_FRAME] ==
125
      cm->ref_frame_sign_bias[GOLDEN_FRAME]) {
Jingning Han's avatar
Jingning Han committed
126 127 128 129
    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] ==
130
             cm->ref_frame_sign_bias[ALTREF_FRAME]) {
Jingning Han's avatar
Jingning Han committed
131 132 133 134 135 136 137 138
    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;
  }
139
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
140 141 142 143 144 145
}

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

146 147
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
148 149 150
  return data > max ? max : data;
}

151
static TX_MODE read_tx_mode(AV1_COMMON *cm, struct aom_read_bit_buffer *rb) {
152
#if CONFIG_TX64X64
153 154
  TX_MODE tx_mode;
#endif
155
  if (cm->all_lossless) return ONLY_4X4;
156 157 158 159
#if CONFIG_VAR_TX_NO_TX_MODE
  (void)rb;
  return TX_MODE_SELECT;
#else
160 161
#if CONFIG_TX64X64
  tx_mode = aom_rb_read_bit(rb) ? TX_MODE_SELECT : aom_rb_read_literal(rb, 2);
162 163 164
  if (tx_mode == ALLOW_32X32) tx_mode += aom_rb_read_bit(rb);
  return tx_mode;
#else
165
  return aom_rb_read_bit(rb) ? TX_MODE_SELECT : aom_rb_read_literal(rb, 2);
166
#endif  // CONFIG_TX64X64
167
#endif  // CONFIG_VAR_TX_NO_TX_MODE
168
}
Jingning Han's avatar
Jingning Han committed
169

170
#if !CONFIG_NEW_MULTISYMBOL
171
static void read_inter_mode_probs(FRAME_CONTEXT *fc, aom_reader *r) {
172
  int i;
173
  for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
174
    av1_diff_update_prob(r, &fc->newmv_prob[i], ACCT_STR);
175
  for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
176
    av1_diff_update_prob(r, &fc->zeromv_prob[i], ACCT_STR);
177
  for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
178
    av1_diff_update_prob(r, &fc->refmv_prob[i], ACCT_STR);
179
  for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
180
    av1_diff_update_prob(r, &fc->drl_prob[i], ACCT_STR);
Jingning Han's avatar
Jingning Han committed
181
}
182
#endif
Jingning Han's avatar
Jingning Han committed
183

184
static REFERENCE_MODE read_frame_reference_mode(
185
    const AV1_COMMON *cm, struct aom_read_bit_buffer *rb) {
186
  if (is_compound_reference_allowed(cm)) {
Zoe Liu's avatar
Zoe Liu committed
187 188 189
#if CONFIG_REF_ADAPT
    return aom_rb_read_bit(rb) ? REFERENCE_MODE_SELECT : SINGLE_REFERENCE;
#else
190
    return aom_rb_read_bit(rb)
191
               ? REFERENCE_MODE_SELECT
192
               : (aom_rb_read_bit(rb) ? COMPOUND_REFERENCE : SINGLE_REFERENCE);
Zoe Liu's avatar
Zoe Liu committed
193
#endif  // CONFIG_REF_ADAPT
194 195 196 197
  } else {
    return SINGLE_REFERENCE;
  }
}
Jingning Han's avatar
Jingning Han committed
198

199
static void read_frame_reference_mode_probs(AV1_COMMON *cm, aom_reader *r) {
200 201 202
#if CONFIG_NEW_MULTISYMBOL && !CONFIG_EXT_COMP_REFS
  (void)r;
#else
Jingning Han's avatar
Jingning Han committed
203
  FRAME_CONTEXT *const fc = cm->fc;
204 205
  int i;
#endif
Jingning Han's avatar
Jingning Han committed
206

207
#if !CONFIG_NEW_MULTISYMBOL
Jingning Han's avatar
Jingning Han committed
208 209
  if (cm->reference_mode == REFERENCE_MODE_SELECT)
    for (i = 0; i < COMP_INTER_CONTEXTS; ++i)
Michael Bebenita's avatar
Michael Bebenita committed
210
      av1_diff_update_prob(r, &fc->comp_inter_prob[i], ACCT_STR);
Jingning Han's avatar
Jingning Han committed
211

212
  if (cm->reference_mode != COMPOUND_REFERENCE) {
Jingning Han's avatar
Jingning Han committed
213
    for (i = 0; i < REF_CONTEXTS; ++i) {
214
      int j;
215
      for (j = 0; j < (SINGLE_REFS - 1); ++j) {
Michael Bebenita's avatar
Michael Bebenita committed
216
        av1_diff_update_prob(r, &fc->single_ref_prob[i][j], ACCT_STR);
217
      }
Jingning Han's avatar
Jingning Han committed
218
    }
219
  }
220
#endif
Jingning Han's avatar
Jingning Han committed
221

222
  if (cm->reference_mode != SINGLE_REFERENCE) {
223 224 225 226
#if CONFIG_EXT_COMP_REFS
    for (i = 0; i < COMP_REF_TYPE_CONTEXTS; ++i)
      av1_diff_update_prob(r, &fc->comp_ref_type_prob[i], ACCT_STR);

227 228
    for (i = 0; i < UNI_COMP_REF_CONTEXTS; ++i) {
      int j;
229 230
      for (j = 0; j < (UNIDIR_COMP_REFS - 1); ++j)
        av1_diff_update_prob(r, &fc->uni_comp_ref_prob[i][j], ACCT_STR);
231
    }
232 233
#endif  // CONFIG_EXT_COMP_REFS

234
#if !CONFIG_NEW_MULTISYMBOL
235
    for (i = 0; i < REF_CONTEXTS; ++i) {
236
      int j;
237
#if CONFIG_EXT_REFS
238
      for (j = 0; j < (FWD_REFS - 1); ++j)
Michael Bebenita's avatar
Michael Bebenita committed
239
        av1_diff_update_prob(r, &fc->comp_ref_prob[i][j], ACCT_STR);
240
      for (j = 0; j < (BWD_REFS - 1); ++j)
Michael Bebenita's avatar
Michael Bebenita committed
241
        av1_diff_update_prob(r, &fc->comp_bwdref_prob[i][j], ACCT_STR);
242 243
#else
      for (j = 0; j < (COMP_REFS - 1); ++j)
Michael Bebenita's avatar
Michael Bebenita committed
244
        av1_diff_update_prob(r, &fc->comp_ref_prob[i][j], ACCT_STR);
245
#endif  // CONFIG_EXT_REFS
246
    }
247
#endif  // CONFIG_NEW_MULTISYMBOL
248
  }
Jingning Han's avatar
Jingning Han committed
249 250
}

251
#if !CONFIG_NEW_MULTISYMBOL
252
static void update_mv_probs(aom_prob *p, int n, aom_reader *r) {
Jingning Han's avatar
Jingning Han committed
253
  int i;
Michael Bebenita's avatar
Michael Bebenita committed
254
  for (i = 0; i < n; ++i) av1_diff_update_prob(r, &p[i], ACCT_STR);
Jingning Han's avatar
Jingning Han committed
255 256
}

257
static void read_mv_probs(nmv_context *ctx, int allow_hp, aom_reader *r) {
258
  int i;
Jingning Han's avatar
Jingning Han committed
259 260 261 262 263 264 265 266
  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);
    }
  }
}
267
#endif
Jingning Han's avatar
Jingning Han committed
268

269
static void inverse_transform_block(MACROBLOCKD *xd, int plane,
Lester Lu's avatar
Lester Lu committed
270 271 272
#if CONFIG_LGT
                                    PREDICTION_MODE mode,
#endif
273
                                    const TX_TYPE tx_type,
274
                                    const TX_SIZE tx_size, uint8_t *dst,
275
                                    int stride, int16_t scan_line, int eob) {
Jingning Han's avatar
Jingning Han committed
276
  struct macroblockd_plane *const pd = &xd->plane[plane];
277
  tran_low_t *const dqcoeff = pd->dqcoeff;
Lester Lu's avatar
Lester Lu committed
278 279 280 281 282
  av1_inverse_transform_block(xd, dqcoeff,
#if CONFIG_LGT
                              mode,
#endif
                              tx_type, tx_size, dst, stride, eob);
283
  memset(dqcoeff, 0, (scan_line + 1) * sizeof(dqcoeff[0]));
Jingning Han's avatar
Jingning Han committed
284 285
}

286 287 288 289 290 291 292 293 294 295 296 297 298
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_CHROMA_SUB8X8
  const BLOCK_SIZE plane_bsize =
      AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
#elif CONFIG_CB4X4
  const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
#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);
299
  const TX_SIZE tx_size = av1_get_tx_size(plane, xd);
300 301 302 303
  const uint8_t txh_unit = tx_size_high_unit[tx_size];
  return row * max_blocks_wide + col * txh_unit;
}

304
#if CONFIG_PVQ
305
static int av1_pvq_decode_helper(MACROBLOCKD *xd, tran_low_t *ref_coeff,
306
                                 tran_low_t *dqcoeff, int16_t *quant, int pli,
307
                                 int bs, TX_TYPE tx_type, int xdec,
ltrudeau's avatar
ltrudeau committed
308
                                 PVQ_SKIP_TYPE ac_dc_coded) {
309 310 311 312
  unsigned int flags;  // used for daala's stream analyzer.
  int off;
  const int is_keyframe = 0;
  const int has_dc_skip = 1;
313
  int coeff_shift = 3 - av1_get_tx_scale(bs);
314
  int hbd_downshift = 0;
315
  int rounding_mask;
316 317 318 319 320 321
  // 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;
322
  od_dec_ctx *dec = &xd->daala_dec;
323
  int use_activity_masking = dec->use_activity_masking;
324 325
  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]);
326

327 328
  od_coeff ref_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX];
  od_coeff out_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX];
329

330 331
  hbd_downshift = xd->bd - 8;

332 333 334
  od_raster_to_coding_order(ref_coeff_pvq, blk_size, tx_type, ref_coeff,
                            blk_size);

335
  assert(OD_COEFF_SHIFT >= 4);
336 337 338
  if (lossless)
    pvq_dc_quant = 1;
  else {
339 340
    if (use_activity_masking)
      pvq_dc_quant = OD_MAXI(
341
          1, (quant[0] << (OD_COEFF_SHIFT - 3) >> hbd_downshift) *
342 343 344
                     dec->state.pvq_qm_q4[pli][od_qm_get_index(bs, 0)] >>
                 4);
    else
345 346
      pvq_dc_quant =
          OD_MAXI(1, quant[0] << (OD_COEFF_SHIFT - 3) >> hbd_downshift);
347 348 349 350 351
  }

  off = od_qm_offset(bs, xdec);

  // copy int16 inputs to int32
352
  for (i = 0; i < blk_size * blk_size; i++) {
353
    ref_int32[i] =
354 355
        AOM_SIGNED_SHL(ref_coeff_pvq[i], OD_COEFF_SHIFT - coeff_shift) >>
        hbd_downshift;
356
  }
357

358 359
  od_pvq_decode(dec, ref_int32, out_int32,
                OD_MAXI(1, quant[1] << (OD_COEFF_SHIFT - 3) >> hbd_downshift),
360
                pli, bs, OD_PVQ_BETA[use_activity_masking][pli][bs],
361 362
                is_keyframe, &flags, ac_dc_coded, dec->state.qm + off,
                dec->state.qm_inv + off);
363

364 365
  if (!has_dc_skip || out_int32[0]) {
    out_int32[0] =
366
        has_dc_skip + generic_decode(dec->r, &dec->state.adapt->model_dc[pli],
367 368
                                     &dec->state.adapt->ex_dc[pli][bs][0], 2,
                                     "dc:mag");
369 370 371 372 373 374 375 376
    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++) {
377
    out_int32[i] = AOM_SIGNED_SHL(out_int32[i], hbd_downshift);
378 379
    dqcoeff_pvq[i] = (out_int32[i] + (out_int32[i] < 0) + rounding_mask) >>
                     (OD_COEFF_SHIFT - coeff_shift);
380 381 382 383 384 385 386 387 388
  }

  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
389 390 391 392 393 394
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
395
  const int ac_dc_coded = aom_read_symbol(
ltrudeau's avatar
ltrudeau committed
396
      xd->daala_dec.r,
397
      xd->daala_dec.state.adapt->skip_cdf[2 * tx_size + (plane != 0)], 4,
398
      "skip");
ltrudeau's avatar
ltrudeau committed
399 400 401 402 403 404 405 406
  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,
407 408
                                  MB_MODE_INFO *const mbmi, int plane, int row,
                                  int col, TX_SIZE tx_size, TX_TYPE tx_type) {
409 410 411 412 413 414 415 416 417 418
  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
419
  const PVQ_SKIP_TYPE ac_dc_coded = read_pvq_skip(cm, xd, plane, tx_size);
420 421 422 423 424 425 426 427

  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;
428
    TxfmParam txfm_param;
429 430
    // ToDo(yaowu): correct this with optimal number from decoding process.
    const int max_scan_line = tx_size_2d[tx_size];
431
#if CONFIG_HIGHBITDEPTH
432 433 434 435 436 437 438 439 440 441
    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];
442
#if CONFIG_HIGHBITDEPTH
443 444
    }
#endif
445

446 447 448
    txfm_param.tx_type = tx_type;
    txfm_param.tx_size = tx_size;
    txfm_param.lossless = xd->lossless[seg_id];
449

450
#if CONFIG_HIGHBITDEPTH
451
    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
452 453
      txfm_param.bd = xd->bd;
      av1_highbd_fwd_txfm(pred, pvq_ref_coeff, diff_stride, &txfm_param);
454
    } else {
455
#endif  // CONFIG_HIGHBITDEPTH
456
      av1_fwd_txfm(pred, pvq_ref_coeff, diff_stride, &txfm_param);
457
#if CONFIG_HIGHBITDEPTH
458
    }
459
#endif  // CONFIG_HIGHBITDEPTH
460 461 462

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

463 464
    eob = av1_pvq_decode_helper(xd, pvq_ref_coeff, dqcoeff, quant, plane,
                                tx_size, tx_type, xdec, ac_dc_coded);
465

Lester Lu's avatar
Lester Lu committed
466
    inverse_transform_block(xd, plane, tx_type, tx_size, dst, pd->dst.stride,
467
                            max_scan_line, eob);
468 469 470 471 472 473
  }

  return eob;
}
#endif

hui su's avatar
hui su committed
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517
#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]));
518
    inverse_tx(dqcoeff, 1, tx_type_1d, bd, dst, 1);
hui su's avatar
hui su committed
519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545
    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];
    }
546
    inverse_tx(tx_buff, dst_stride, tx_type_1d, bd, dst, 0);
hui su's avatar
hui su committed
547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600
  }
}
#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

601 602 603
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) {
604
  PLANE_TYPE plane_type = get_plane_type(plane);
605
  const int block_idx = get_block_idx(xd, plane, row, col);
606 607 608
#if CONFIG_PVQ
  (void)r;
#endif
609
  av1_predict_intra_block_facade(xd, plane, block_idx, col, row, tx_size);
Jingning Han's avatar
Jingning Han committed
610 611

  if (!mbmi->skip) {
612
#if !CONFIG_PVQ
613
    struct macroblockd_plane *const pd = &xd->plane[plane];
614 615
#if CONFIG_LV_MAP
    int16_t max_scan_line = 0;
616 617
    int eob;
    av1_read_coeffs_txb_facade(cm, xd, r, row, col, block_idx, plane,
618
                               pd->dqcoeff, tx_size, &max_scan_line, &eob);
619
    // tx_type will be read out in av1_read_coeffs_txb_facade
620 621
    const TX_TYPE tx_type =
        av1_get_tx_type(plane_type, xd, row, col, block_idx, tx_size);
622
#else   // CONFIG_LV_MAP
623 624
    const TX_TYPE tx_type =
        av1_get_tx_type(plane_type, xd, row, col, block_idx, tx_size);
Angie Chiang's avatar
Angie Chiang committed
625
    const SCAN_ORDER *scan_order = get_scan(cm, tx_size, tx_type, mbmi);
626 627
    int16_t max_scan_line = 0;
    const int eob =
628
        av1_decode_block_tokens(cm, xd, plane, scan_order, col, row, tx_size,
629
                                tx_type, &max_scan_line, r, mbmi->segment_id);
630
#endif  // CONFIG_LV_MAP
631 632 633
    if (eob) {
      uint8_t *dst =
          &pd->dst.buf[(row * pd->dst.stride + col) << tx_size_wide_log2[0]];
Lester Lu's avatar
Lester Lu committed
634 635 636
#if CONFIG_DPCM_INTRA || CONFIG_LGT
      const PREDICTION_MODE mode =
          get_prediction_mode(xd->mi[0], plane, tx_size, block_idx);
hui su's avatar
hui su committed
637 638 639 640 641 642
#if CONFIG_DPCM_INTRA
      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
Lester Lu's avatar
Lester Lu committed
643 644 645 646 647 648 649
#endif  // CONFIG_DPCM_INTRA || CONFIG_LGT
        inverse_transform_block(xd, plane,
#if CONFIG_LGT
                                mode,
#endif
                                tx_type, tx_size, dst, pd->dst.stride,
                                max_scan_line, eob);
hui su's avatar
hui su committed
650 651 652
#if CONFIG_DPCM_INTRA
      }
#endif  // CONFIG_DPCM_INTRA
653
    }
Lester Lu's avatar
Lester Lu committed
654
#else   // !CONFIG_PVQ
655 656
    const TX_TYPE tx_type =
        av1_get_tx_type(plane_type, xd, row, col, block_idx, tx_size);
ltrudeau's avatar
ltrudeau committed
657
    av1_pvq_decode_helper2(cm, xd, mbmi, plane, row, col, tx_size, tx_type);
Lester Lu's avatar
Lester Lu committed
658
#endif  // !CONFIG_PVQ
Jingning Han's avatar
Jingning Han committed
659
  }
660 661 662
#if CONFIG_CFL
  if (plane == AOM_PLANE_Y) {
    struct macroblockd_plane *const pd = &xd->plane[plane];
663
#if CONFIG_CHROMA_SUB8X8
664 665 666 667 668
    const BLOCK_SIZE plane_bsize =
        AOMMAX(BLOCK_4X4, get_plane_block_size(mbmi->sb_type, pd));
#else
    const BLOCK_SIZE plane_bsize = get_plane_block_size(mbmi->sb_type, pd);
#endif
669 670
    uint8_t *dst =
        &pd->dst.buf[(row * pd->dst.stride + col) << tx_size_wide_log2[0]];
671 672 673
    // TODO (ltrudeau) Store sub-8x8 inter blocks when bottom right block is
    // intra predicted.
    cfl_store(xd->cfl, dst, pd->dst.stride, row, col, tx_size, plane_bsize);
674 675
  }
#endif
Jingning Han's avatar
Jingning Han committed
676 677
}

678
#if CONFIG_VAR_TX && !CONFIG_COEF_INTERLEAVE
Angie Chiang's avatar
Angie Chiang committed
679 680
static void decode_reconstruct_tx(AV1_COMMON *cm, MACROBLOCKD *const xd,
                                  aom_reader *r, MB_MODE_INFO *const mbmi,
681
                                  int plane, BLOCK_SIZE plane_bsize,
682 683
                                  int blk_row, int blk_col, int block,
                                  TX_SIZE tx_size, int *eob_total) {
684
  const struct macroblockd_plane *const pd = &xd->plane[plane];
685
  const BLOCK_SIZE bsize = txsize_to_bsize[tx_size];
686 687
  const int tx_row = blk_row >> (1 - pd->subsampling_y);
  const int tx_col = blk_col >> (1 - pd->subsampling_x);
688
  const TX_SIZE plane_tx_size =
689
      plane ? uv_txsize_lookup[bsize][mbmi->inter_tx_size[tx_row][tx_col]][0][0]
690
            : mbmi->inter_tx_size[tx_row][tx_col];
691
  // Scale to match transform block unit.
692 693
  const int max_blocks_high = max_block_high(xd, plane_bsize, plane);
  const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
694

695
  if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
696

697
  if (tx_size == plane_tx_size) {
698
    PLANE_TYPE plane_type = get_plane_type(plane);
699 700
#if CONFIG_LV_MAP
    int16_t max_scan_line = 0;
701
    int eob;
702
    av1_read_coeffs_txb_facade(cm, xd, r, blk_row, blk_col, block, plane,
703
                               pd->dqcoeff, tx_size, &max_scan_line, &eob);
704
    // tx_type will be read out in av1_read_coeffs_txb_facade
hui su's avatar
hui su committed
705
    const TX_TYPE tx_type =
706
        av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, plane_tx_size);
707
#else   // CONFIG_LV_MAP
hui su's avatar
hui su committed
708
    const TX_TYPE tx_type =
709
        av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, plane_tx_size);
Angie Chiang's avatar
Angie Chiang committed
710
    const SCAN_ORDER *sc = get_scan(cm, plane_tx_size, tx_type, mbmi);
711
    int16_t max_scan_line = 0;
712 713 714
    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);
715
#endif  // CONFIG_LV_MAP
Lester Lu's avatar
Lester Lu committed
716 717 718 719 720
    inverse_transform_block(xd, plane,
#if CONFIG_LGT
                            mbmi->mode,
#endif
                            tx_type, plane_tx_size,
721 722 723
                            &pd->dst.buf[(blk_row * pd->dst.stride + blk_col)
                                         << tx_size_wide_log2[0]],
                            pd->dst.stride, max_scan_line, eob);
724 725
    *eob_total += eob;
  } else {
726 727
    const TX_SIZE sub_txs = sub_tx_size_map[tx_size];
    const int bsl = tx_size_wide_unit[sub_txs];
728
    int sub_step = tx_size_wide_unit[sub_txs] * tx_size_high_unit[sub_txs];
729
    assert(sub_txs < tx_size);
730 731 732 733 734
    int i;

    assert(bsl > 0);

    for (i = 0; i < 4; ++i) {
735 736
      const int offsetr = blk_row + (i >> 1) * bsl;
      const int offsetc = blk_col + (i & 0x01) * bsl;
737

738
      if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue;
739

740
      decode_reconstruct_tx(cm, xd, r, mbmi, plane, plane_bsize, offsetr,
741 742
                            offsetc, block, sub_txs, eob_total);
      block += sub_step;
743 744 745
    }
  }
}
746
#endif  // CONFIG_VAR_TX
747

748
#if !CONFIG_VAR_TX || CONFIG_SUPERTX || CONFIG_COEF_INTERLEAVE || \
749
    (!CONFIG_VAR_TX && CONFIG_EXT_TX && CONFIG_RECT_TX)
Angie Chiang's avatar
Angie Chiang committed
750
static int reconstruct_inter_block(AV1_COMMON *cm, MACROBLOCKD *const xd,
751 752
                                   aom_reader *const r, int segment_id,
                                   int plane, int row, int col,
753
                                   TX_SIZE tx_size) {
754
  PLANE_TYPE plane_type = get_plane_type(plane);
755
  int block_idx = get_block_idx(xd, plane, row, col);
756 757 758
#if CONFIG_PVQ
  int eob;
  (void)r;
759 760 761
  (void)segment_id;
#else
  struct macroblockd_plane *const pd = &xd->plane[plane];
762 763 764
#endif

#if !CONFIG_PVQ
765 766
#if CONFIG_LV_MAP
  (void)segment_id;
767
  int16_t max_scan_line = 0;
768 769
  int eob;
  av1_read_coeffs_txb_facade(cm, xd, r, row, col, block_idx, plane, pd->dqcoeff,
Angie Chiang's avatar
Angie Chiang committed
770
                             tx_size, &max_scan_line, &eob);
771
  // tx_type will be read out in av1_read_coeffs_txb_facade
772 773
  const TX_TYPE tx_type =
      av1_get_tx_type(plane_type, xd, row, col, block_idx, tx_size);
774 775
#else   // CONFIG_LV_MAP
  int16_t max_scan_line = 0;
776 777
  const TX_TYPE tx_type =
      av1_get_tx_type(plane_type, xd, row, col, block_idx, tx_size);
Angie Chiang's avatar
Angie Chiang committed
778 779
  const SCAN_ORDER *scan_order =
      get_scan(cm, tx_size, tx_type, &xd->mi[0]->mbmi);
780
  const int eob =
781 782
      av1_decode_block_tokens(cm, xd, plane, scan_order, col, row, tx_size,
                              tx_type, &max_scan_line, r, segment_id);
783
#endif  // CONFIG_LV_MAP
784 785
  uint8_t *dst =
      &pd->dst.buf[(row * pd->dst.stride + col) << tx_size_wide_log2[0]];
786
  if (eob)
Lester Lu's avatar
Lester Lu committed
787 788 789 790 791
    inverse_transform_block(xd, plane,
#if CONFIG_LGT
                            xd->mi[0]->mbmi.mode,
#endif
                            tx_type, tx_size, dst, pd->dst.stride,
792
                            max_scan_line, eob);
793
#else
794 795
  const TX_TYPE tx_type =
      av1_get_tx_type(plane_type, xd, row, col, block_idx, tx_size);
ltrudeau's avatar
ltrudeau committed
796 797
  eob = av1_pvq_decode_helper2(cm, xd, &xd->mi[0]->mbmi, plane, row, col,
                               tx_size, tx_type);
798
#endif
Jingning Han's avatar
Jingning Han committed
799 800
  return eob;
}
801
#endif  // !CONFIG_VAR_TX || CONFIG_SUPER_TX
Jingning Han's avatar
Jingning Han committed
802

803 804 805
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
806 807 808 809 810 811 812 813 814
  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;
815 816 817
#if CONFIG_RD_DEBUG
  xd->mi[0]->mbmi.mi_row = mi_row;
  xd->mi[0]->mbmi.mi_col = mi_col;
818 819 820 821
#endif
#if CONFIG_CFL
  xd->cfl->mi_row = mi_row;
  xd->cfl->mi_col = mi_col;
822
#endif
Jingning Han's avatar
Jingning Han committed
823
  for (y = 0; y < y_mis; ++y)
Jingning Han's avatar
Jingning Han committed
824
    for (x = !y; x < x_mis; ++x) xd->mi[y * cm->mi_stride + x] = xd->mi[0];
Jingning Han's avatar
Jingning Han committed
825

Jingning Han's avatar
Jingning Han committed
826
  set_plane_n4(xd, bw, bh);
Jingning Han's avatar
Jingning Han committed
827 828
  set_skip_context(xd, mi_row, mi_col);

829 830 831 832
#if CONFIG_VAR_TX
  xd->max_tx_size = max_txsize_lookup[bsize];
#endif

833 834 835
  // 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,
836
#if CONFIG_DEPENDENT_HORZTILES
837 838 839
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
Jingning Han's avatar
Jingning Han committed
840

841 842
  av1_setup_dst_planes(xd->plane, bsize, get_frame_new_buffer(cm), mi_row,
                       mi_col);
Jingning Han's avatar
Jingning Han committed
843 844
}

845
#if CONFIG_SUPERTX
846
static MB_MODE_INFO *set_offsets_extend(AV1_COMMON *const cm,
847 848
                                        MACROBLOCKD *const xd,
                                        const TileInfo *const tile,
849 850 851
                                        BLOCK_SIZE bsize_pred, int mi_row_pred,
                                        int mi_col_pred, int mi_row_ori,
                                        int mi_col_ori) {
852 853 854
  // Used in supertx
  // (mi_row_ori, mi_col_ori): location for mv
  // (mi_row_pred, mi_col_pred, bsize_pred): region to predict
855 856
  const int bw = mi_size_wide[bsize_pred];
  const int bh = mi_size_high[bsize_pred];
857 858 859
  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;
860
  set_mi_row_col(xd, tile, mi_row_pred, bh, mi_col_pred, bw,
861
#if CONFIG_DEPENDENT_HORZTILES
862 863 864
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
865

866 867
  xd->up_available = (mi_row_ori > tile->mi_row_start);
  xd->left_available = (mi_col_ori > tile->mi_col_start);
868

Jingning Han's avatar
Jingning Han committed
869
  set_plane_n4(xd, bw, bh);
870 871 872 873

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

Angie Chiang's avatar
Angie Chiang committed
874
#if CONFIG_SUPERTX
875 876 877
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) {
878 879 880 881 882 883 884 885
  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)
886
    for (x = !y; x < x_mis; ++x) xd->mi[y * cm->mi_stride + x] = xd->mi[0];
887

888
  set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
889
#if CONFIG_DEPENDENT_HORZTILES
890 891 892
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
893 894
  return &xd->mi[0]->mbmi;
}
Angie Chiang's avatar
Angie Chiang committed
895
#endif
896

897
static void set_offsets_topblock(AV1_COMMON *const cm, MACROBLOCKD *const xd,
898 899
                                 const TileInfo *const tile, BLOCK_SIZE bsize,
                                 int mi_row, int mi_col) {
900 901
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
902 903 904 905 906
  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
907
  set_plane_n4(xd, bw, bh);
908

909
  set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
910
#if CONFIG_DEPENDENT_HORZTILES
911 912 913
                 cm->dependent_horz_tiles,
#endif  // CONFIG_DEPENDENT_HORZTILES
                 cm->mi_rows, cm->mi_cols);
914

915 916
  av1_setup_dst_planes(xd->plane, bsize, get_frame_new_buffer(cm), mi_row,
                       mi_col);
917 918
}

919
static void set_param_topblock(AV1_COMMON *const cm, MACROBLOCKD *const xd,
920
                               BLOCK_SIZE bsize, int mi_row, int mi_col,
921
                               int txfm, int skip) {
922 923
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
924 925
  const int x_mis = AOMMIN(bw, cm->mi_cols - mi_col);
  const int y_mis = AOMMIN(bh, cm->mi_rows - mi_row);
926 927 928 929 930 931 932 933 934 935 936
  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;
    }
937 938
#if CONFIG_VAR_TX
  xd->above_txfm_context = cm->above_txfm_context + mi_col;
939
  xd->left_txfm_context =
940
      xd->left_txfm_context_buffer + (mi_row & MAX_MIB_MASK);
941
  set_txfm_ctxs(xd->mi[0]->mbmi.tx_size, bw, bh, skip, xd);
942
#endif
943 944
}

945
static void set_ref(AV1_COMMON *const cm, MACROBLOCKD *const xd, int idx,
946
                    int mi_row, int mi_col) {
947
  MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
948 949 950 951 952
#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
953
  RefBuffer *ref_buffer = &cm->frame_refs[mbmi->ref_frame[idx] - LAST_FRAME];
954
#endif  // CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
955
  xd->block_refs[idx] = ref_buffer;
956 957
  if (!av1_is_valid_scale(&ref_buffer->sf))
    aom_internal_error(&cm->error, AOM_CODEC_UNSUP_BITSTREAM,
958
                       "Invalid scale factors");
959 960
  av1_setup_pre_planes(xd, idx, ref_buffer->buf, mi_row, mi_col,
                       &ref_buffer->sf);
961
  aom_merge_corrupted_flag(&xd->corrupted, ref_buffer->buf->corrupted);
962 963 964
}

static void dec_predict_b_extend(
965
    AV1Decoder *const pbi, MACROBLOCKD *const xd, const TileInfo *const tile,
966
    int block, int mi_row_ori, int mi_col_ori, int mi_row_pred, int mi_col_pred,
967
    int mi_row_top, int mi_col_top, int plane, uint8_t *dst_buf, int dst_stride,