vp9_detokenize.c 21.8 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5
6
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
7
 *  in the file PATENTS.  All contributing project authors may
8
 *  be found in the AUTHORS file in the root of the source tree.
John Koleszar's avatar
John Koleszar committed
9
10
11
 */


12
#include "vp9/common/vp9_blockd.h"
13
#include "vp9/decoder/vp9_onyxd_int.h"
John Koleszar's avatar
John Koleszar committed
14
15
#include "vpx_mem/vpx_mem.h"
#include "vpx_ports/mem.h"
16
#include "vp9/decoder/vp9_detokenize.h"
17
#include "vp9/common/vp9_seg_common.h"
18

John Koleszar's avatar
John Koleszar committed
19
20
21
22
23
24
25
26
27
28
29
30
#define EOB_CONTEXT_NODE            0
#define ZERO_CONTEXT_NODE           1
#define ONE_CONTEXT_NODE            2
#define LOW_VAL_CONTEXT_NODE        3
#define TWO_CONTEXT_NODE            4
#define THREE_CONTEXT_NODE          5
#define HIGH_LOW_CONTEXT_NODE       6
#define CAT_ONE_CONTEXT_NODE        7
#define CAT_THREEFOUR_CONTEXT_NODE  8
#define CAT_THREE_CONTEXT_NODE      9
#define CAT_FIVE_CONTEXT_NODE       10

Scott LaVarnway's avatar
Scott LaVarnway committed
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
#define CAT1_MIN_VAL    5
#define CAT2_MIN_VAL    7
#define CAT3_MIN_VAL   11
#define CAT4_MIN_VAL   19
#define CAT5_MIN_VAL   35
#define CAT6_MIN_VAL   67
#define CAT1_PROB0    159
#define CAT2_PROB0    145
#define CAT2_PROB1    165

#define CAT3_PROB0 140
#define CAT3_PROB1 148
#define CAT3_PROB2 173

#define CAT4_PROB0 135
#define CAT4_PROB1 140
#define CAT4_PROB2 155
#define CAT4_PROB3 176

#define CAT5_PROB0 130
#define CAT5_PROB1 134
#define CAT5_PROB2 141
#define CAT5_PROB3 157
#define CAT5_PROB4 180

56
static const vp9_prob cat6_prob[15] = {
57
58
  254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0
};
John Koleszar's avatar
John Koleszar committed
59

60
DECLARE_ALIGNED(16, extern const uint8_t, vp9_norm[256]);
61

Dmitry Kovalev's avatar
Dmitry Kovalev committed
62
static int16_t get_signed(BOOL_DECODER *br, int16_t value_to_sign) {
63
  return decode_bool(br, 128) ? -value_to_sign : value_to_sign;
Daniel Kang's avatar
Daniel Kang committed
64
}
John Koleszar's avatar
John Koleszar committed
65

Dmitry Kovalev's avatar
Dmitry Kovalev committed
66

67
68
#define INCREMENT_COUNT(token)               \
  do {                                       \
69
70
    coef_counts[type][ref][get_coef_band(scan, txfm_size, c)] \
               [pt][token]++;     \
71
    token_cache[c] = token; \
72
    pt = vp9_get_coef_context(scan, nb, pad, token_cache,     \
73
                              c + 1, default_eob); \
74
75
  } while (0)

76
#if CONFIG_CODE_NONZEROCOUNT
77
#define WRITE_COEF_CONTINUE(val, token)                       \
Daniel Kang's avatar
Daniel Kang committed
78
  {                                                           \
Dmitry Kovalev's avatar
Dmitry Kovalev committed
79
    qcoeff_ptr[scan[c]] = get_signed(br, val);                \
80
    INCREMENT_COUNT(token);                                   \
John Koleszar's avatar
John Koleszar committed
81
    c++;                                                      \
Dmitry Kovalev's avatar
Dmitry Kovalev committed
82
    nzc++;                                                    \
John Koleszar's avatar
John Koleszar committed
83
84
    continue;                                                 \
  }
85
#else
Dmitry Kovalev's avatar
Dmitry Kovalev committed
86
87
88
89
90
91
#define WRITE_COEF_CONTINUE(val, token)                  \
  {                                                      \
    qcoeff_ptr[scan[c]] = get_signed(br, val);           \
    INCREMENT_COUNT(token);                              \
    c++;                                                 \
    continue;                                            \
92
93
  }
#endif  // CONFIG_CODE_NONZEROCOUNT
John Koleszar's avatar
John Koleszar committed
94

Daniel Kang's avatar
Daniel Kang committed
95
96
#define ADJUST_COEF(prob, bits_count)  \
  do {                                 \
97
    if (vp9_read(br, prob))            \
Dmitry Kovalev's avatar
Dmitry Kovalev committed
98
      val += 1 << bits_count;          \
John Koleszar's avatar
John Koleszar committed
99
  } while (0);
John Koleszar's avatar
John Koleszar committed
100

101
static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
102
                        BOOL_DECODER* const br, int block_idx,
103
104
                        PLANE_TYPE type, int seg_eob, int16_t *qcoeff_ptr,
                        TX_SIZE txfm_size) {
105
106
  ENTROPY_CONTEXT* const A0 = (ENTROPY_CONTEXT *) xd->above_context;
  ENTROPY_CONTEXT* const L0 = (ENTROPY_CONTEXT *) xd->left_context;
107
108
  int aidx, lidx;
  ENTROPY_CONTEXT above_ec, left_ec;
John Koleszar's avatar
John Koleszar committed
109
  FRAME_CONTEXT *const fc = &dx->common.fc;
110
  int pt, c = 0, pad, default_eob;
111
112
113
  vp9_coeff_probs *coef_probs;
  vp9_prob *prob;
  vp9_coeff_count *coef_counts;
114
  const int ref = xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME;
115
#if CONFIG_CODE_NONZEROCOUNT
116
  const int nzc_used = get_nzc_used(txfm_size);
117
  uint16_t nzc = 0;
118
119
  uint16_t nzc_expected =
      nzc_used ? xd->mode_info_context->mbmi.nzcs[block_idx] : 0;
120
#endif
121
122
  const int *scan, *nb;
  uint8_t token_cache[1024];
Daniel Kang's avatar
Daniel Kang committed
123

124
125
126
127
128
129
130
131
132
133
134
  if (xd->mode_info_context->mbmi.sb_type == BLOCK_SIZE_SB64X64) {
    aidx = vp9_block2above_sb64[txfm_size][block_idx];
    lidx = vp9_block2left_sb64[txfm_size][block_idx];
  } else if (xd->mode_info_context->mbmi.sb_type == BLOCK_SIZE_SB32X32) {
    aidx = vp9_block2above_sb[txfm_size][block_idx];
    lidx = vp9_block2left_sb[txfm_size][block_idx];
  } else {
    aidx = vp9_block2above[txfm_size][block_idx];
    lidx = vp9_block2left[txfm_size][block_idx];
  }

135
  switch (txfm_size) {
Daniel Kang's avatar
Daniel Kang committed
136
    default:
137
    case TX_4X4: {
138
139
      const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                              get_tx_type_4x4(xd, block_idx) : DCT_DCT;
140
141
142
143
144
145
146
147
148
149
150
      switch (tx_type) {
        default:
          scan = vp9_default_zig_zag1d_4x4;
          break;
        case ADST_DCT:
          scan = vp9_row_scan_4x4;
          break;
        case DCT_ADST:
          scan = vp9_col_scan_4x4;
          break;
      }
151
152
      above_ec = A0[aidx] != 0;
      left_ec = L0[lidx] != 0;
153
154
      coef_probs  = fc->coef_probs_4x4;
      coef_counts = fc->coef_counts_4x4;
155
      default_eob = 16;
Daniel Kang's avatar
Daniel Kang committed
156
      break;
157
    }
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
    case TX_8X8: {
      const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
      const int sz = 3 + sb_type, x = block_idx & ((1 << sz) - 1);
      const int y = block_idx - x;
      const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                              get_tx_type_8x8(xd, y + (x >> 1)) : DCT_DCT;
      switch (tx_type) {
        default:
          scan = vp9_default_zig_zag1d_8x8;
          break;
        case ADST_DCT:
          scan = vp9_row_scan_8x8;
          break;
        case DCT_ADST:
          scan = vp9_col_scan_8x8;
          break;
      }
175
176
      coef_probs  = fc->coef_probs_8x8;
      coef_counts = fc->coef_counts_8x8;
177
178
      above_ec = (A0[aidx] + A0[aidx + 1]) != 0;
      left_ec  = (L0[lidx] + L0[lidx + 1]) != 0;
179
      default_eob = 64;
Daniel Kang's avatar
Daniel Kang committed
180
      break;
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
    }
    case TX_16X16: {
      const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
      const int sz = 4 + sb_type, x = block_idx & ((1 << sz) - 1);
      const int y = block_idx - x;
      const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                              get_tx_type_16x16(xd, y + (x >> 2)) : DCT_DCT;
      switch (tx_type) {
        default:
          scan = vp9_default_zig_zag1d_16x16;
          break;
        case ADST_DCT:
          scan = vp9_row_scan_16x16;
          break;
        case DCT_ADST:
          scan = vp9_col_scan_16x16;
          break;
      }
199
200
      coef_probs  = fc->coef_probs_16x16;
      coef_counts = fc->coef_counts_16x16;
201
202
203
204
205
      if (type == PLANE_TYPE_UV) {
        ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
        ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
        above_ec = (A0[aidx] + A0[aidx + 1] + A1[aidx] + A1[aidx + 1]) != 0;
        left_ec  = (L0[lidx] + L0[lidx + 1] + L1[lidx] + L1[lidx + 1]) != 0;
206
      } else {
207
208
209
        above_ec = (A0[aidx] + A0[aidx + 1] + A0[aidx + 2] + A0[aidx + 3]) != 0;
        left_ec  = (L0[lidx] + L0[lidx + 1] + L0[lidx + 2] + L0[lidx + 3]) != 0;
      }
210
      default_eob = 256;
Daniel Kang's avatar
Daniel Kang committed
211
      break;
212
    }
213
    case TX_32X32:
214
      scan = vp9_default_zig_zag1d_32x32;
215
216
      coef_probs = fc->coef_probs_32x32;
      coef_counts = fc->coef_counts_32x32;
217
218
219
220
221
222
223
224
225
226
227
      if (type == PLANE_TYPE_UV) {
        ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
        ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
        ENTROPY_CONTEXT *A2 = (ENTROPY_CONTEXT *) (xd->above_context + 2);
        ENTROPY_CONTEXT *L2 = (ENTROPY_CONTEXT *) (xd->left_context + 2);
        ENTROPY_CONTEXT *A3 = (ENTROPY_CONTEXT *) (xd->above_context + 3);
        ENTROPY_CONTEXT *L3 = (ENTROPY_CONTEXT *) (xd->left_context + 3);
        above_ec = (A0[aidx] + A0[aidx + 1] + A1[aidx] + A1[aidx + 1] +
                    A2[aidx] + A2[aidx + 1] + A3[aidx] + A3[aidx + 1]) != 0;
        left_ec  = (L0[lidx] + L0[lidx + 1] + L1[lidx] + L1[lidx + 1] +
                    L2[lidx] + L2[lidx + 1] + L3[lidx] + L3[lidx + 1]) != 0;
228
      } else {
229
230
231
232
233
234
235
        ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
        ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
        above_ec = (A0[aidx] + A0[aidx + 1] + A0[aidx + 2] + A0[aidx + 3] +
                    A1[aidx] + A1[aidx + 1] + A1[aidx + 2] + A1[aidx + 3]) != 0;
        left_ec  = (L0[lidx] + L0[lidx + 1] + L0[lidx + 2] + L0[lidx + 3] +
                    L1[lidx] + L1[lidx + 1] + L1[lidx + 2] + L1[lidx + 3]) != 0;
      }
236
      default_eob = 1024;
237
      break;
Daniel Kang's avatar
Daniel Kang committed
238
  }
John Koleszar's avatar
John Koleszar committed
239

240
  VP9_COMBINEENTROPYCONTEXTS(pt, above_ec, left_ec);
241
242
  nb = vp9_get_coef_neighbors_handle(scan, &pad);

John Koleszar's avatar
John Koleszar committed
243
244
245
  while (1) {
    int val;
    const uint8_t *cat6 = cat6_prob;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
246
247
248

    if (c >= seg_eob)
      break;
249
#if CONFIG_CODE_NONZEROCOUNT
250
    if (nzc_used && nzc == nzc_expected)
251
252
      break;
#endif
253
    prob = coef_probs[type][ref][get_coef_band(scan, txfm_size, c)][pt];
254
    fc->eob_branch_counts[txfm_size][type][ref]
255
                         [get_coef_band(scan, txfm_size, c)][pt]++;
256
257
#if CONFIG_CODE_NONZEROCOUNT
    if (!nzc_used)
258
#endif
259
260
      if (!vp9_read(br, prob[EOB_CONTEXT_NODE]))
        break;
Daniel Kang's avatar
Daniel Kang committed
261
SKIP_START:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
262
263
    if (c >= seg_eob)
      break;
264
#if CONFIG_CODE_NONZEROCOUNT
265
    if (nzc_used && nzc == nzc_expected)
266
267
      break;
    // decode zero node only if there are zeros left
268
    if (!nzc_used || seg_eob - nzc_expected - c + nzc > 0)
269
#endif
270
    if (!vp9_read(br, prob[ZERO_CONTEXT_NODE])) {
271
      INCREMENT_COUNT(ZERO_TOKEN);
John Koleszar's avatar
John Koleszar committed
272
      ++c;
273
      prob = coef_probs[type][ref][get_coef_band(scan, txfm_size, c)][pt];
John Koleszar's avatar
John Koleszar committed
274
275
276
      goto SKIP_START;
    }
    // ONE_CONTEXT_NODE_0_
277
    if (!vp9_read(br, prob[ONE_CONTEXT_NODE])) {
278
      WRITE_COEF_CONTINUE(1, ONE_TOKEN);
John Koleszar's avatar
John Koleszar committed
279
280
    }
    // LOW_VAL_CONTEXT_NODE_0_
281
282
    if (!vp9_read(br, prob[LOW_VAL_CONTEXT_NODE])) {
      if (!vp9_read(br, prob[TWO_CONTEXT_NODE])) {
283
        WRITE_COEF_CONTINUE(2, TWO_TOKEN);
John Koleszar's avatar
John Koleszar committed
284
      }
285
      if (!vp9_read(br, prob[THREE_CONTEXT_NODE])) {
286
        WRITE_COEF_CONTINUE(3, THREE_TOKEN);
John Koleszar's avatar
John Koleszar committed
287
      }
288
      WRITE_COEF_CONTINUE(4, FOUR_TOKEN);
John Koleszar's avatar
John Koleszar committed
289
290
    }
    // HIGH_LOW_CONTEXT_NODE_0_
291
292
    if (!vp9_read(br, prob[HIGH_LOW_CONTEXT_NODE])) {
      if (!vp9_read(br, prob[CAT_ONE_CONTEXT_NODE])) {
John Koleszar's avatar
John Koleszar committed
293
294
        val = CAT1_MIN_VAL;
        ADJUST_COEF(CAT1_PROB0, 0);
295
        WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY1);
John Koleszar's avatar
John Koleszar committed
296
297
298
299
      }
      val = CAT2_MIN_VAL;
      ADJUST_COEF(CAT2_PROB1, 1);
      ADJUST_COEF(CAT2_PROB0, 0);
300
      WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY2);
Daniel Kang's avatar
Daniel Kang committed
301
    }
John Koleszar's avatar
John Koleszar committed
302
    // CAT_THREEFOUR_CONTEXT_NODE_0_
303
304
    if (!vp9_read(br, prob[CAT_THREEFOUR_CONTEXT_NODE])) {
      if (!vp9_read(br, prob[CAT_THREE_CONTEXT_NODE])) {
John Koleszar's avatar
John Koleszar committed
305
306
307
308
        val = CAT3_MIN_VAL;
        ADJUST_COEF(CAT3_PROB2, 2);
        ADJUST_COEF(CAT3_PROB1, 1);
        ADJUST_COEF(CAT3_PROB0, 0);
309
        WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY3);
John Koleszar's avatar
John Koleszar committed
310
311
312
313
314
315
      }
      val = CAT4_MIN_VAL;
      ADJUST_COEF(CAT4_PROB3, 3);
      ADJUST_COEF(CAT4_PROB2, 2);
      ADJUST_COEF(CAT4_PROB1, 1);
      ADJUST_COEF(CAT4_PROB0, 0);
316
      WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY4);
John Koleszar's avatar
John Koleszar committed
317
318
    }
    // CAT_FIVE_CONTEXT_NODE_0_:
319
    if (!vp9_read(br, prob[CAT_FIVE_CONTEXT_NODE])) {
John Koleszar's avatar
John Koleszar committed
320
321
322
323
324
325
      val = CAT5_MIN_VAL;
      ADJUST_COEF(CAT5_PROB4, 4);
      ADJUST_COEF(CAT5_PROB3, 3);
      ADJUST_COEF(CAT5_PROB2, 2);
      ADJUST_COEF(CAT5_PROB1, 1);
      ADJUST_COEF(CAT5_PROB0, 0);
326
      WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY5);
John Koleszar's avatar
John Koleszar committed
327
328
329
    }
    val = 0;
    while (*cat6) {
330
      val = (val << 1) | vp9_read(br, *cat6++);
John Koleszar's avatar
John Koleszar committed
331
332
    }
    val += CAT6_MIN_VAL;
333
    WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY6);
John Koleszar's avatar
John Koleszar committed
334
  }
Jingning Han's avatar
Jingning Han committed
335

336
337
338
339
340
341
342
343
344
345
346
#if CONFIG_CODE_NONZEROCOUNT
  if (!nzc_used)
#endif
    if (c < seg_eob)
      coef_counts[type][ref][get_coef_band(scan, txfm_size, c)]
                 [pt][DCT_EOB_TOKEN]++;
#if CONFIG_CODE_NONZEROCOUNT
  if (!nzc_used)
    xd->mode_info_context->mbmi.nzcs[block_idx] = nzc;
  else
    assert(nzc == nzc_expected);
347
#endif
348

Dmitry Kovalev's avatar
Dmitry Kovalev committed
349
  A0[aidx] = L0[lidx] = c > 0;
350
  if (txfm_size >= TX_8X8) {
351
352
353
354
355
    A0[aidx + 1] = L0[lidx + 1] = A0[aidx];
    if (txfm_size >= TX_16X16) {
      if (type == PLANE_TYPE_UV) {
        ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
        ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
356
        A1[aidx] = A1[aidx + 1] = L1[lidx] = L1[lidx + 1] = A0[aidx];
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
        if (txfm_size >= TX_32X32) {
          ENTROPY_CONTEXT *A2 = (ENTROPY_CONTEXT *) (xd->above_context + 2);
          ENTROPY_CONTEXT *L2 = (ENTROPY_CONTEXT *) (xd->left_context + 2);
          ENTROPY_CONTEXT *A3 = (ENTROPY_CONTEXT *) (xd->above_context + 3);
          ENTROPY_CONTEXT *L3 = (ENTROPY_CONTEXT *) (xd->left_context + 3);
          A2[aidx] = A2[aidx + 1] = A3[aidx] = A3[aidx + 1] = A0[aidx];
          L2[lidx] = L2[lidx + 1] = L3[lidx] = L3[lidx + 1] = A0[aidx];
        }
      } else {
        A0[aidx + 2] = A0[aidx + 3] = L0[lidx + 2] = L0[lidx + 3] = A0[aidx];
        if (txfm_size >= TX_32X32) {
          ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
          ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
          A1[aidx] = A1[aidx + 1] = A1[aidx + 2] = A1[aidx + 3] = A0[aidx];
          L1[lidx] = L1[lidx + 1] = L1[lidx + 2] = L1[lidx + 3] = A0[aidx];
        }
      }
    }
  }
John Koleszar's avatar
John Koleszar committed
376
  return c;
Daniel Kang's avatar
Daniel Kang committed
377
}
John Koleszar's avatar
John Koleszar committed
378

379
static int get_eob(MACROBLOCKD* const xd, int segment_id, int eob_max) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
380
  return vp9_get_segdata(xd, segment_id, SEG_LVL_SKIP) ? 0 : eob_max;
381
382
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
383
384
385
386
387
388
389
390
391
static INLINE int decode_sb(VP9D_COMP* const pbi,
                            MACROBLOCKD* const xd,
                            BOOL_DECODER* const bc,
                            int offset, int count, int inc,
                            int eob_max, TX_SIZE tx_size) {
  const int segment_id = xd->mode_info_context->mbmi.segment_id;
  const int seg_eob = get_eob(xd, segment_id, eob_max);
  int i, eobtotal = 0;

392
393
  assert(count == offset * 3 / 2);

Dmitry Kovalev's avatar
Dmitry Kovalev committed
394
395
396
  // luma blocks
  for (i = 0; i < offset; i += inc) {
    const int c = decode_coefs(pbi, xd, bc, i, PLANE_TYPE_Y_WITH_DC, seg_eob,
397
398
                               BLOCK_OFFSET(xd->plane[0].qcoeff, i, 16),
                               tx_size);
John Koleszar's avatar
John Koleszar committed
399
    xd->plane[0].eobs[i] = c;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
400
401
402
403
    eobtotal += c;
  }

  // chroma blocks
404
405
406
407
408
  for (i = offset; i < offset * 5 / 4; i += inc) {
    const int b = i - offset;
    const int c = decode_coefs(pbi, xd, bc, i, PLANE_TYPE_UV, seg_eob,
                               BLOCK_OFFSET(xd->plane[1].qcoeff, b, 16),
                               tx_size);
John Koleszar's avatar
John Koleszar committed
409
    xd->plane[1].eobs[b] = c;
410
411
412
413
    eobtotal += c;
  }
  for (i = offset * 5 / 4; i < count; i += inc) {
    const int b = i - offset * 5 / 4;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
414
    const int c = decode_coefs(pbi, xd, bc, i, PLANE_TYPE_UV, seg_eob,
415
416
                               BLOCK_OFFSET(xd->plane[2].qcoeff, b, 16),
                               tx_size);
John Koleszar's avatar
John Koleszar committed
417
    xd->plane[2].eobs[b] = c;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
418
419
420
421
422
423
    eobtotal += c;
  }

  return eobtotal;
}

424
425
426
int vp9_decode_sb_tokens(VP9D_COMP* const pbi,
                         MACROBLOCKD* const xd,
                         BOOL_DECODER* const bc) {
427
  switch (xd->mode_info_context->mbmi.txfm_size) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
428
429
430
    case TX_32X32: {
      // 32x32 luma block
      const int segment_id = xd->mode_info_context->mbmi.segment_id;
431
      int eobtotal = 0, seg_eob;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
432
      int c = decode_coefs(pbi, xd, bc, 0, PLANE_TYPE_Y_WITH_DC,
433
434
                           get_eob(xd, segment_id, 1024),
                           xd->plane[0].qcoeff, TX_32X32);
John Koleszar's avatar
John Koleszar committed
435
      xd->plane[0].eobs[0] = c;
436
437
438
439
      eobtotal += c;

      // 16x16 chroma blocks
      seg_eob = get_eob(xd, segment_id, 256);
440
441
442

      c = decode_coefs(pbi, xd, bc, 64, PLANE_TYPE_UV, seg_eob,
                       xd->plane[1].qcoeff, TX_16X16);
John Koleszar's avatar
John Koleszar committed
443
      xd->plane[1].eobs[0] = c;
444
445
446
      eobtotal += c;
      c = decode_coefs(pbi, xd, bc, 80, PLANE_TYPE_UV, seg_eob,
                       xd->plane[2].qcoeff, TX_16X16);
John Koleszar's avatar
John Koleszar committed
447
      xd->plane[2].eobs[0] = c;
448
      eobtotal += c;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
449
450
      return eobtotal;
    }
451
    case TX_16X16:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
452
      return decode_sb(pbi, xd, bc, 64, 96, 16, 16 * 16, TX_16X16);
453
    case TX_8X8:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
454
      return decode_sb(pbi, xd, bc, 64, 96, 4, 8 * 8, TX_8X8);
455
    case TX_4X4:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
456
457
458
459
      return decode_sb(pbi, xd, bc, 64, 96, 1, 4 * 4, TX_4X4);
    default:
      assert(0);
      return 0;
460
461
462
463
464
465
466
467
  }
}

int vp9_decode_sb64_tokens(VP9D_COMP* const pbi,
                           MACROBLOCKD* const xd,
                           BOOL_DECODER* const bc) {
  switch (xd->mode_info_context->mbmi.txfm_size) {
    case TX_32X32:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
468
      return decode_sb(pbi, xd, bc, 256, 384, 64, 32 * 32, TX_32X32);
469
    case TX_16X16:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
470
      return decode_sb(pbi, xd, bc, 256, 384, 16, 16 * 16, TX_16X16);
471
    case TX_8X8:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
472
      return decode_sb(pbi, xd, bc, 256, 384, 4, 8 * 8, TX_8X8);
473
    case TX_4X4:
Dmitry Kovalev's avatar
Dmitry Kovalev committed
474
475
476
477
      return decode_sb(pbi, xd, bc, 256, 384, 1, 4 * 4, TX_4X4);
    default:
      assert(0);
      return 0;
478
479
  }
}
480

481
482
483
static int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
                                      MACROBLOCKD* const xd,
                                      BOOL_DECODER* const bc) {
Daniel Kang's avatar
Daniel Kang committed
484
  const int segment_id = xd->mode_info_context->mbmi.segment_id;
485
  int eobtotal = 0, seg_eob;
Yaowu Xu's avatar
Yaowu Xu committed
486

487
  // Luma block
Dmitry Kovalev's avatar
Dmitry Kovalev committed
488
  int c = decode_coefs(pbi, xd, bc, 0, PLANE_TYPE_Y_WITH_DC,
489
490
                       get_eob(xd, segment_id, 256),
                       xd->plane[0].qcoeff, TX_16X16);
John Koleszar's avatar
John Koleszar committed
491
  xd->plane[0].eobs[0] = c;
492
  eobtotal += c;
Daniel Kang's avatar
Daniel Kang committed
493
494

  // 8x8 chroma blocks
495
  seg_eob = get_eob(xd, segment_id, 64);
496
497
498

  c = decode_coefs(pbi, xd, bc, 16, PLANE_TYPE_UV,
                   seg_eob, xd->plane[1].qcoeff, TX_8X8);
John Koleszar's avatar
John Koleszar committed
499
  xd->plane[1].eobs[0] = c;
500
501
502
  eobtotal += c;
  c = decode_coefs(pbi, xd, bc, 20, PLANE_TYPE_UV,
                   seg_eob, xd->plane[2].qcoeff, TX_8X8);
John Koleszar's avatar
John Koleszar committed
503
  xd->plane[2].eobs[0] = c;
504
  eobtotal += c;
Daniel Kang's avatar
Daniel Kang committed
505
506
507
  return eobtotal;
}

508
509
510
static int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
                                    MACROBLOCKD* const xd,
                                    BOOL_DECODER* const bc) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
511
  int i, eobtotal = 0;
John Koleszar's avatar
John Koleszar committed
512
  const int segment_id = xd->mode_info_context->mbmi.segment_id;
513

514
  // luma blocks
Dmitry Kovalev's avatar
Dmitry Kovalev committed
515
  int seg_eob = get_eob(xd, segment_id, 64);
516
  for (i = 0; i < 16; i += 4) {
517
518
519
    const int c = decode_coefs(pbi, xd, bc, i, PLANE_TYPE_Y_WITH_DC, seg_eob,
                               BLOCK_OFFSET(xd->plane[0].qcoeff, i, 16),
                               TX_8X8);
John Koleszar's avatar
John Koleszar committed
520
    xd->plane[0].eobs[i] = c;
John Koleszar's avatar
John Koleszar committed
521
522
523
    eobtotal += c;
  }

524
525
526
527
  // chroma blocks
  if (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
      xd->mode_info_context->mbmi.mode == SPLITMV) {
    // use 4x4 transform for U, V components in I8X8/splitmv prediction mode
528
    seg_eob = get_eob(xd, segment_id, 16);
529
530
531
532
    for (i = 16; i < 20; i++) {
      const int c = decode_coefs(pbi, xd, bc, i, PLANE_TYPE_UV, seg_eob,
                                 BLOCK_OFFSET(xd->plane[1].qcoeff, i - 16, 16),
                                 TX_4X4);
John Koleszar's avatar
John Koleszar committed
533
      xd->plane[1].eobs[i - 16] = c;
534
535
      eobtotal += c;
    }
536
537
538
539
    for (i = 20; i < 24; i++) {
      const int c = decode_coefs(pbi, xd, bc, i, PLANE_TYPE_UV, seg_eob,
                                 BLOCK_OFFSET(xd->plane[2].qcoeff, i - 20, 16),
                                 TX_4X4);
John Koleszar's avatar
John Koleszar committed
540
      xd->plane[2].eobs[i - 20] = c;
541
542
      eobtotal += c;
    }
543
544
545
546
547
  } else {
    int c;

    c = decode_coefs(pbi, xd, bc, 16, PLANE_TYPE_UV, seg_eob,
                     xd->plane[1].qcoeff, TX_8X8);
John Koleszar's avatar
John Koleszar committed
548
    xd->plane[1].eobs[0] = c;
549
550
551
    eobtotal += c;
    c = decode_coefs(pbi, xd, bc, 20, PLANE_TYPE_UV, seg_eob,
                     xd->plane[2].qcoeff, TX_8X8);
John Koleszar's avatar
John Koleszar committed
552
    xd->plane[2].eobs[0] = c;
553
    eobtotal += c;
554
555
  }

John Koleszar's avatar
John Koleszar committed
556
  return eobtotal;
557
558
}

559
560
static int decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
                            BOOL_DECODER* const bc,
561
                            PLANE_TYPE type, int i, int seg_eob) {
John Koleszar's avatar
John Koleszar committed
562
  const struct plane_block_idx pb_idx = plane_block_idx(16, i);
Dmitry Kovalev's avatar
Dmitry Kovalev committed
563
  const int c = decode_coefs(dx, xd, bc, i, type, seg_eob,
John Koleszar's avatar
John Koleszar committed
564
565
      BLOCK_OFFSET(xd->plane[pb_idx.plane].qcoeff, pb_idx.block, 16), TX_4X4);
  xd->plane[pb_idx.plane].eobs[pb_idx.block] = c;
566
567
568
569
570
571
572
  return c;
}

static int decode_mb_tokens_4x4_uv(VP9D_COMP* const dx,
                                   MACROBLOCKD* const xd,
                                   BOOL_DECODER* const bc,
                                   int seg_eob) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
573
  int i, eobtotal = 0;
574

575
  // chroma blocks
Dmitry Kovalev's avatar
Dmitry Kovalev committed
576
  for (i = 16; i < 24; i++)
577
    eobtotal += decode_coefs_4x4(dx, xd, bc, PLANE_TYPE_UV, i, seg_eob);
578
579
580
581

  return eobtotal;
}

582
583
584
585
586
587
588
589
590
int vp9_decode_mb_tokens_4x4_uv(VP9D_COMP* const dx,
                                MACROBLOCKD* const xd,
                                BOOL_DECODER* const bc) {
  const int segment_id = xd->mode_info_context->mbmi.segment_id;
  const int seg_eob = get_eob(xd, segment_id, 16);

  return decode_mb_tokens_4x4_uv(dx, xd, bc, seg_eob);
}

591
592
593
static int vp9_decode_mb_tokens_4x4(VP9D_COMP* const dx,
                                    MACROBLOCKD* const xd,
                                    BOOL_DECODER* const bc) {
594
  int i, eobtotal = 0;
595
596
  const int segment_id = xd->mode_info_context->mbmi.segment_id;
  const int seg_eob = get_eob(xd, segment_id, 16);
John Koleszar's avatar
John Koleszar committed
597

598
  // luma blocks
Dmitry Kovalev's avatar
Dmitry Kovalev committed
599
  for (i = 0; i < 16; ++i)
600
    eobtotal += decode_coefs_4x4(dx, xd, bc, PLANE_TYPE_Y_WITH_DC, i, seg_eob);
601

602
603
604
605
  // chroma blocks
  eobtotal += decode_mb_tokens_4x4_uv(dx, xd, bc, seg_eob);

  return eobtotal;
John Koleszar's avatar
John Koleszar committed
606
}
607
608
609
610
611

int vp9_decode_mb_tokens(VP9D_COMP* const dx,
                         MACROBLOCKD* const xd,
                         BOOL_DECODER* const bc) {
  const TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
612
613
614
615
616
617
618
619
  switch (tx_size) {
    case TX_16X16:
      return vp9_decode_mb_tokens_16x16(dx, xd, bc);
    case TX_8X8:
      return vp9_decode_mb_tokens_8x8(dx, xd, bc);
    default:
      assert(tx_size == TX_4X4);
      return vp9_decode_mb_tokens_4x4(dx, xd, bc);
620
621
  }
}
622
623
624
625
626
627
628
629
630
631

#if CONFIG_NEWBINTRAMODES
int vp9_decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
                         BOOL_DECODER* const bc,
                         PLANE_TYPE type, int i) {
  const int segment_id = xd->mode_info_context->mbmi.segment_id;
  const int seg_eob = get_eob(xd, segment_id, 16);
  return decode_coefs_4x4(dx, xd, bc, type, i, seg_eob);
}
#endif