rdopt.c 183 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
13
14
15
 */


#include <stdio.h>
#include <math.h>
#include <limits.h>
#include <assert.h>
John Koleszar's avatar
John Koleszar committed
16
#include "vp8/common/pragmas.h"
John Koleszar's avatar
John Koleszar committed
17
18
19
20
21
22

#include "tokenize.h"
#include "treewriter.h"
#include "onyx_int.h"
#include "modecosts.h"
#include "encodeintra.h"
John Koleszar's avatar
John Koleszar committed
23
24
25
26
27
#include "vp8/common/entropymode.h"
#include "vp8/common/reconinter.h"
#include "vp8/common/reconintra.h"
#include "vp8/common/reconintra4x4.h"
#include "vp8/common/findnearmv.h"
Christian Duvivier's avatar
Christian Duvivier committed
28
#include "vp8/common/quant_common.h"
John Koleszar's avatar
John Koleszar committed
29
30
#include "encodemb.h"
#include "quantize.h"
John Koleszar's avatar
John Koleszar committed
31
32
#include "vp8/common/idct.h"
#include "vp8/common/g_common.h"
John Koleszar's avatar
John Koleszar committed
33
34
#include "variance.h"
#include "mcomp.h"
Yunqing Wang's avatar
Yunqing Wang committed
35
#include "rdopt.h"
Paul Wilkins's avatar
Paul Wilkins committed
36
#include "ratectrl.h"
John Koleszar's avatar
John Koleszar committed
37
38
#include "vpx_mem/vpx_mem.h"
#include "dct.h"
John Koleszar's avatar
John Koleszar committed
39
#include "vp8/common/systemdependent.h"
40
#include "vp8/encoder/encodemv.h"
John Koleszar's avatar
John Koleszar committed
41

42
#include "vp8/common/seg_common.h"
43
#include "vp8/common/pred_common.h"
44
#include "vp8/common/entropy.h"
45

46
#if CONFIG_NEWBESTREFMV
Paul Wilkins's avatar
Paul Wilkins committed
47
48
49
#include "vp8/common/mvref_common.h"
#endif

John Koleszar's avatar
John Koleszar committed
50
51
52
53
54
55
#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x)  (x)
#else
#define IF_RTCD(x)  NULL
#endif

Scott LaVarnway's avatar
Scott LaVarnway committed
56
57
58
extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x);

John Koleszar's avatar
John Koleszar committed
59
60
#define MAXF(a,b)            (((a) > (b)) ? (a) : (b))

61
62
#define INVALID_MV 0x80008000

63
64
65
66
67
#if CONFIG_SWITCHABLE_INTERP
/* Factor to weigh the rate for switchable interp filters */
#define SWITCHABLE_INTERP_RATE_FACTOR 1
#endif

John Koleszar's avatar
John Koleszar committed
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
static const int auto_speed_thresh[17] = {
  1000,
  200,
  150,
  130,
  150,
  125,
  120,
  115,
  115,
  115,
  115,
  115,
  115,
  115,
  115,
  115,
  105
John Koleszar's avatar
John Koleszar committed
86
87
};

88
#if CONFIG_PRED_FILTER
John Koleszar's avatar
John Koleszar committed
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
  {ZEROMV,    LAST_FRAME,   0,  0},
  {ZEROMV,    LAST_FRAME,   0,  1},
  {DC_PRED,   INTRA_FRAME,  0,  0},

  {NEARESTMV, LAST_FRAME,   0,  0},
  {NEARESTMV, LAST_FRAME,   0,  1},
  {NEARMV,    LAST_FRAME,   0,  0},
  {NEARMV,    LAST_FRAME,   0,  1},

  {ZEROMV,    GOLDEN_FRAME, 0,  0},
  {ZEROMV,    GOLDEN_FRAME, 0,  1},
  {NEARESTMV, GOLDEN_FRAME, 0,  0},
  {NEARESTMV, GOLDEN_FRAME, 0,  1},

  {ZEROMV,    ALTREF_FRAME, 0,  0},
  {ZEROMV,    ALTREF_FRAME, 0,  1},
  {NEARESTMV, ALTREF_FRAME, 0,  0},
  {NEARESTMV, ALTREF_FRAME, 0,  1},

  {NEARMV,    GOLDEN_FRAME, 0,  0},
  {NEARMV,    GOLDEN_FRAME, 0,  1},
  {NEARMV,    ALTREF_FRAME, 0,  0},
  {NEARMV,    ALTREF_FRAME, 0,  1},

  {V_PRED,    INTRA_FRAME,  0,  0},
  {H_PRED,    INTRA_FRAME,  0,  0},
  {D45_PRED,  INTRA_FRAME,  0,  0},
  {D135_PRED, INTRA_FRAME,  0,  0},
  {D117_PRED, INTRA_FRAME,  0,  0},
  {D153_PRED, INTRA_FRAME,  0,  0},
  {D27_PRED,  INTRA_FRAME,  0,  0},
  {D63_PRED,  INTRA_FRAME,  0,  0},

  {TM_PRED,   INTRA_FRAME,  0,  0},

  {NEWMV,     LAST_FRAME,   0,  0},
  {NEWMV,     LAST_FRAME,   0,  1},
  {NEWMV,     GOLDEN_FRAME, 0,  0},
  {NEWMV,     GOLDEN_FRAME, 0,  1},
  {NEWMV,     ALTREF_FRAME, 0,  0},
  {NEWMV,     ALTREF_FRAME, 0,  1},

  {SPLITMV,   LAST_FRAME,   0,  0},
  {SPLITMV,   GOLDEN_FRAME, 0,  0},
  {SPLITMV,   ALTREF_FRAME, 0,  0},

  {B_PRED,    INTRA_FRAME,  0,  0},
  {I8X8_PRED, INTRA_FRAME,  0,  0},

  /* compound prediction modes */
  {ZEROMV,    LAST_FRAME,   GOLDEN_FRAME, 0},
  {NEARESTMV, LAST_FRAME,   GOLDEN_FRAME, 0},
  {NEARMV,    LAST_FRAME,   GOLDEN_FRAME, 0},

  {ZEROMV,    ALTREF_FRAME, LAST_FRAME,   0},
  {NEARESTMV, ALTREF_FRAME, LAST_FRAME,   0},
  {NEARMV,    ALTREF_FRAME, LAST_FRAME,   0},

  {ZEROMV,    GOLDEN_FRAME, ALTREF_FRAME, 0},
  {NEARESTMV, GOLDEN_FRAME, ALTREF_FRAME, 0},
  {NEARMV,    GOLDEN_FRAME, ALTREF_FRAME, 0},

  {NEWMV,     LAST_FRAME,   GOLDEN_FRAME, 0},
  {NEWMV,     ALTREF_FRAME, LAST_FRAME,   0},
  {NEWMV,     GOLDEN_FRAME, ALTREF_FRAME, 0},

  {SPLITMV,   LAST_FRAME,   GOLDEN_FRAME, 0},
  {SPLITMV,   ALTREF_FRAME, LAST_FRAME,   0},
  {SPLITMV,   GOLDEN_FRAME, ALTREF_FRAME, 0}
John Koleszar's avatar
John Koleszar committed
159
};
160
#else
John Koleszar's avatar
John Koleszar committed
161
162
163
const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
  {ZEROMV,    LAST_FRAME,   0},
  {DC_PRED,   INTRA_FRAME,  0},
John Koleszar's avatar
John Koleszar committed
164

John Koleszar's avatar
John Koleszar committed
165
166
  {NEARESTMV, LAST_FRAME,   0},
  {NEARMV,    LAST_FRAME,   0},
John Koleszar's avatar
John Koleszar committed
167

John Koleszar's avatar
John Koleszar committed
168
169
  {ZEROMV,    GOLDEN_FRAME, 0},
  {NEARESTMV, GOLDEN_FRAME, 0},
John Koleszar's avatar
John Koleszar committed
170

John Koleszar's avatar
John Koleszar committed
171
172
  {ZEROMV,    ALTREF_FRAME, 0},
  {NEARESTMV, ALTREF_FRAME, 0},
John Koleszar's avatar
John Koleszar committed
173

John Koleszar's avatar
John Koleszar committed
174
175
  {NEARMV,    GOLDEN_FRAME, 0},
  {NEARMV,    ALTREF_FRAME, 0},
John Koleszar's avatar
John Koleszar committed
176

John Koleszar's avatar
John Koleszar committed
177
178
179
180
181
182
183
184
  {V_PRED,    INTRA_FRAME,  0},
  {H_PRED,    INTRA_FRAME,  0},
  {D45_PRED,  INTRA_FRAME,  0},
  {D135_PRED, INTRA_FRAME,  0},
  {D117_PRED, INTRA_FRAME,  0},
  {D153_PRED, INTRA_FRAME,  0},
  {D27_PRED,  INTRA_FRAME,  0},
  {D63_PRED,  INTRA_FRAME,  0},
John Koleszar's avatar
John Koleszar committed
185

John Koleszar's avatar
John Koleszar committed
186
  {TM_PRED,   INTRA_FRAME,  0},
John Koleszar's avatar
John Koleszar committed
187

John Koleszar's avatar
John Koleszar committed
188
189
190
  {NEWMV,     LAST_FRAME,   0},
  {NEWMV,     GOLDEN_FRAME, 0},
  {NEWMV,     ALTREF_FRAME, 0},
John Koleszar's avatar
John Koleszar committed
191

John Koleszar's avatar
John Koleszar committed
192
193
194
  {SPLITMV,   LAST_FRAME,   0},
  {SPLITMV,   GOLDEN_FRAME, 0},
  {SPLITMV,   ALTREF_FRAME, 0},
195

John Koleszar's avatar
John Koleszar committed
196
197
  {B_PRED,    INTRA_FRAME,  0},
  {I8X8_PRED, INTRA_FRAME,  0},
198

John Koleszar's avatar
John Koleszar committed
199
200
201
202
  /* compound prediction modes */
  {ZEROMV,    LAST_FRAME,   GOLDEN_FRAME},
  {NEARESTMV, LAST_FRAME,   GOLDEN_FRAME},
  {NEARMV,    LAST_FRAME,   GOLDEN_FRAME},
203

John Koleszar's avatar
John Koleszar committed
204
205
206
  {ZEROMV,    ALTREF_FRAME, LAST_FRAME},
  {NEARESTMV, ALTREF_FRAME, LAST_FRAME},
  {NEARMV,    ALTREF_FRAME, LAST_FRAME},
207

John Koleszar's avatar
John Koleszar committed
208
209
210
  {ZEROMV,    GOLDEN_FRAME, ALTREF_FRAME},
  {NEARESTMV, GOLDEN_FRAME, ALTREF_FRAME},
  {NEARMV,    GOLDEN_FRAME, ALTREF_FRAME},
211

John Koleszar's avatar
John Koleszar committed
212
213
214
  {NEWMV,     LAST_FRAME,   GOLDEN_FRAME},
  {NEWMV,     ALTREF_FRAME, LAST_FRAME  },
  {NEWMV,     GOLDEN_FRAME, ALTREF_FRAME},
215

John Koleszar's avatar
John Koleszar committed
216
217
218
  {SPLITMV,   LAST_FRAME,   GOLDEN_FRAME},
  {SPLITMV,   ALTREF_FRAME, LAST_FRAME  },
  {SPLITMV,   GOLDEN_FRAME, ALTREF_FRAME}
John Koleszar's avatar
John Koleszar committed
219
};
220
#endif
John Koleszar's avatar
John Koleszar committed
221
222

static void fill_token_costs(
John Koleszar's avatar
John Koleszar committed
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
  unsigned int (*c)[COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS],
  const vp8_prob(*p)[COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES],
  int block_type_counts) {
  int i, j, k;

  for (i = 0; i < block_type_counts; i++)
    for (j = 0; j < COEF_BANDS; j++)
      for (k = 0; k < PREV_COEF_CONTEXTS; k++) {
        if (k == 0 && ((j > 0 && i > 0) || (j > 1 && i == 0)))
          vp8_cost_tokens_skip((int *)(c [i][j][k]),
                               p [i][j][k],
                               vp8_coef_tree);
        else
          vp8_cost_tokens((int *)(c [i][j][k]),
                          p [i][j][k],
                          vp8_coef_tree);
      }
John Koleszar's avatar
John Koleszar committed
240
241
}

242

Paul Wilkins's avatar
Paul Wilkins committed
243
static int rd_iifactor [ 32 ] =  {    4,   4,   3,   2,   1,   0,   0,   0,
John Koleszar's avatar
John Koleszar committed
244
245
246
247
248
                                      0,   0,   0,   0,   0,   0,   0,   0,
                                      0,   0,   0,   0,   0,   0,   0,   0,
                                      0,   0,   0,   0,   0,   0,   0,   0,
                                 };

249
// 3* dc_qlookup[Q]*dc_qlookup[Q];
250

251
/* values are now correlated to quantizer */
Paul Wilkins's avatar
Paul Wilkins committed
252
253
254
static int sad_per_bit16lut[QINDEX_RANGE];
static int sad_per_bit4lut[QINDEX_RANGE];

John Koleszar's avatar
John Koleszar committed
255
256
257
258
259
260
261
262
263
264
265
void vp8_init_me_luts() {
  int i;

  // Initialize the sad lut tables using a formulaic calculation for now
  // This is to make it easier to resolve the impact of experimental changes
  // to the quantizer tables.
  for (i = 0; i < QINDEX_RANGE; i++) {
    sad_per_bit16lut[i] =
      (int)((0.0418 * vp8_convert_qindex_to_q(i)) + 2.4107);
    sad_per_bit4lut[i] = (int)((0.063 * vp8_convert_qindex_to_q(i)) + 2.742);
  }
Paul Wilkins's avatar
Paul Wilkins committed
266
}
John Koleszar's avatar
John Koleszar committed
267

John Koleszar's avatar
John Koleszar committed
268
269
int compute_rd_mult(int qindex) {
  int q;
270

John Koleszar's avatar
John Koleszar committed
271
272
  q = vp8_dc_quant(qindex, 0);
  return (11 * q * q) >> 6;
273
274
}

John Koleszar's avatar
John Koleszar committed
275
276
277
void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex) {
  cpi->mb.sadperbit16 =  sad_per_bit16lut[QIndex];
  cpi->mb.sadperbit4  =  sad_per_bit4lut[QIndex];
John Koleszar's avatar
John Koleszar committed
278
279
}

280

John Koleszar's avatar
John Koleszar committed
281
void vp8_initialize_rd_consts(VP8_COMP *cpi, int QIndex) {
282
  int q, i;
John Koleszar's avatar
John Koleszar committed
283

John Koleszar's avatar
John Koleszar committed
284
  vp8_clear_system_state();  // __asm emms;
John Koleszar's avatar
John Koleszar committed
285

John Koleszar's avatar
John Koleszar committed
286
287
288
289
290
  // Further tests required to see if optimum is different
  // for key frames, golden frames and arf frames.
  // if (cpi->common.refresh_golden_frame ||
  //     cpi->common.refresh_alt_ref_frame)
  QIndex = (QIndex < 0) ? 0 : ((QIndex > MAXQ) ? MAXQ : QIndex);
291

John Koleszar's avatar
John Koleszar committed
292
  cpi->RDMULT = compute_rd_mult(QIndex);
John Koleszar's avatar
John Koleszar committed
293

John Koleszar's avatar
John Koleszar committed
294
295
296
  // Extend rate multiplier along side quantizer zbin increases
  if (cpi->zbin_over_quant  > 0) {
    double oq_factor;
297

John Koleszar's avatar
John Koleszar committed
298
299
300
301
302
    // Experimental code using the same basic equation as used for Q above
    // The units of cpi->zbin_over_quant are 1/128 of Q bin size
    oq_factor = 1.0 + ((double)0.0015625 * cpi->zbin_over_quant);
    cpi->RDMULT = (int)((double)cpi->RDMULT * oq_factor * oq_factor);
  }
John Koleszar's avatar
John Koleszar committed
303

John Koleszar's avatar
John Koleszar committed
304
305
306
307
308
309
310
  if (cpi->pass == 2 && (cpi->common.frame_type != KEY_FRAME)) {
    if (cpi->twopass.next_iiratio > 31)
      cpi->RDMULT += (cpi->RDMULT * rd_iifactor[31]) >> 4;
    else
      cpi->RDMULT +=
        (cpi->RDMULT * rd_iifactor[cpi->twopass.next_iiratio]) >> 4;
  }
John Koleszar's avatar
John Koleszar committed
311

John Koleszar's avatar
John Koleszar committed
312
313
  if (cpi->RDMULT < 7)
    cpi->RDMULT = 7;
314

John Koleszar's avatar
John Koleszar committed
315
316
  cpi->mb.errorperbit = (cpi->RDMULT / 110);
  cpi->mb.errorperbit += (cpi->mb.errorperbit == 0);
317

John Koleszar's avatar
John Koleszar committed
318
  vp8_set_speed_features(cpi);
John Koleszar's avatar
John Koleszar committed
319

John Koleszar's avatar
John Koleszar committed
320
321
322
  q = (int)pow(vp8_dc_quant(QIndex, 0) >> 2, 1.25);
  q = q << 2;
  cpi->RDMULT = cpi->RDMULT << 4;
Paul Wilkins's avatar
Paul Wilkins committed
323

John Koleszar's avatar
John Koleszar committed
324
325
  if (q < 8)
    q = 8;
326

John Koleszar's avatar
John Koleszar committed
327
328
329
  if (cpi->RDMULT > 1000) {
    cpi->RDDIV = 1;
    cpi->RDMULT /= 100;
John Koleszar's avatar
John Koleszar committed
330

John Koleszar's avatar
John Koleszar committed
331
332
333
334
335
336
    for (i = 0; i < MAX_MODES; i++) {
      if (cpi->sf.thresh_mult[i] < INT_MAX) {
        cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q / 100;
      } else {
        cpi->rd_threshes[i] = INT_MAX;
      }
John Koleszar's avatar
John Koleszar committed
337

John Koleszar's avatar
John Koleszar committed
338
      cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
John Koleszar's avatar
John Koleszar committed
339
    }
John Koleszar's avatar
John Koleszar committed
340
341
  } else {
    cpi->RDDIV = 100;
John Koleszar's avatar
John Koleszar committed
342

John Koleszar's avatar
John Koleszar committed
343
344
345
346
347
348
    for (i = 0; i < MAX_MODES; i++) {
      if (cpi->sf.thresh_mult[i] < (INT_MAX / q)) {
        cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q;
      } else {
        cpi->rd_threshes[i] = INT_MAX;
      }
John Koleszar's avatar
John Koleszar committed
349

John Koleszar's avatar
John Koleszar committed
350
      cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
John Koleszar's avatar
John Koleszar committed
351
    }
John Koleszar's avatar
John Koleszar committed
352
  }
John Koleszar's avatar
John Koleszar committed
353

John Koleszar's avatar
John Koleszar committed
354
  fill_token_costs(
355
    cpi->mb.token_costs[TX_4X4],
John Koleszar's avatar
John Koleszar committed
356
357
    (const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11]) cpi->common.fc.coef_probs,
    BLOCK_TYPES);
358
359
360
361
362
  fill_token_costs(
    cpi->mb.hybrid_token_costs[TX_4X4],
    (const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11])
    cpi->common.fc.hybrid_coef_probs,
    BLOCK_TYPES);
John Koleszar's avatar
John Koleszar committed
363

John Koleszar's avatar
John Koleszar committed
364
  fill_token_costs(
365
    cpi->mb.token_costs[TX_8X8],
John Koleszar's avatar
John Koleszar committed
366
367
    (const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11]) cpi->common.fc.coef_probs_8x8,
    BLOCK_TYPES_8X8);
368
369
370
371
372
  fill_token_costs(
    cpi->mb.hybrid_token_costs[TX_8X8],
    (const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11])
    cpi->common.fc.hybrid_coef_probs_8x8,
    BLOCK_TYPES_8X8);
373

Daniel Kang's avatar
Daniel Kang committed
374
  fill_token_costs(
375
    cpi->mb.token_costs[TX_16X16],
Daniel Kang's avatar
Daniel Kang committed
376
377
    (const vp8_prob(*)[8][PREV_COEF_CONTEXTS][11]) cpi->common.fc.coef_probs_16x16,
    BLOCK_TYPES_16X16);
378
379
380
381
382
  fill_token_costs(
    cpi->mb.hybrid_token_costs[TX_16X16],
    (const vp8_prob(*)[8][PREV_COEF_CONTEXTS][11])
    cpi->common.fc.hybrid_coef_probs_16x16,
    BLOCK_TYPES_16X16);
Daniel Kang's avatar
Daniel Kang committed
383

John Koleszar's avatar
John Koleszar committed
384
385
386
  /*rough estimate for costing*/
  cpi->common.kf_ymode_probs_index = cpi->common.base_qindex >> 4;
  vp8_init_mode_costs(cpi);
John Koleszar's avatar
John Koleszar committed
387

388
389
390
391
392
393
394
395
396
  if (cpi->common.frame_type != KEY_FRAME)
  {
    vp8_build_nmv_cost_table(
        cpi->mb.nmvjointcost,
        cpi->mb.e_mbd.allow_high_precision_mv ?
        cpi->mb.nmvcost_hp : cpi->mb.nmvcost,
        &cpi->common.fc.nmvc,
        cpi->mb.e_mbd.allow_high_precision_mv, 1, 1);
  }
John Koleszar's avatar
John Koleszar committed
397
398
}

John Koleszar's avatar
John Koleszar committed
399
400
void vp8_auto_select_speed(VP8_COMP *cpi) {
  int milliseconds_for_compress = (int)(1000000 / cpi->oxcf.frame_rate);
John Koleszar's avatar
John Koleszar committed
401

John Koleszar's avatar
John Koleszar committed
402
  milliseconds_for_compress = milliseconds_for_compress * (16 - cpi->oxcf.cpu_used) / 16;
John Koleszar's avatar
John Koleszar committed
403

John Koleszar's avatar
John Koleszar committed
404
405
406
407
408
409
410
  /*
  // this is done during parameter valid check
  if( cpi->oxcf.cpu_used > 16)
      cpi->oxcf.cpu_used = 16;
  if( cpi->oxcf.cpu_used < -16)
      cpi->oxcf.cpu_used = -16;
  */
John Koleszar's avatar
John Koleszar committed
411

412
413
414
  if (cpi->avg_pick_mode_time < milliseconds_for_compress &&
      (cpi->avg_encode_time - cpi->avg_pick_mode_time) <
      milliseconds_for_compress) {
John Koleszar's avatar
John Koleszar committed
415
416
417
418
419
420
421
422
423
424
    if (cpi->avg_pick_mode_time == 0) {
      cpi->Speed = 4;
    } else {
      if (milliseconds_for_compress * 100 < cpi->avg_encode_time * 95) {
        cpi->Speed          += 2;
        cpi->avg_pick_mode_time = 0;
        cpi->avg_encode_time = 0;

        if (cpi->Speed > 16) {
          cpi->Speed = 16;
John Koleszar's avatar
John Koleszar committed
425
        }
John Koleszar's avatar
John Koleszar committed
426
      }
John Koleszar's avatar
John Koleszar committed
427

428
429
      if (milliseconds_for_compress * 100 >
          cpi->avg_encode_time * auto_speed_thresh[cpi->Speed]) {
John Koleszar's avatar
John Koleszar committed
430
431
432
        cpi->Speed          -= 1;
        cpi->avg_pick_mode_time = 0;
        cpi->avg_encode_time = 0;
John Koleszar's avatar
John Koleszar committed
433

John Koleszar's avatar
John Koleszar committed
434
435
436
        // In real-time mode, cpi->speed is in [4, 16].
        if (cpi->Speed < 4) {      // if ( cpi->Speed < 0 )
          cpi->Speed = 4;        // cpi->Speed = 0;
John Koleszar's avatar
John Koleszar committed
437
        }
John Koleszar's avatar
John Koleszar committed
438
      }
John Koleszar's avatar
John Koleszar committed
439
    }
John Koleszar's avatar
John Koleszar committed
440
441
  } else {
    cpi->Speed += 4;
John Koleszar's avatar
John Koleszar committed
442

John Koleszar's avatar
John Koleszar committed
443
444
    if (cpi->Speed > 16)
      cpi->Speed = 16;
John Koleszar's avatar
John Koleszar committed
445
446


John Koleszar's avatar
John Koleszar committed
447
448
449
    cpi->avg_pick_mode_time = 0;
    cpi->avg_encode_time = 0;
  }
John Koleszar's avatar
John Koleszar committed
450
451
}

452
453
int vp8_block_error_c(short *coeff, short *dqcoeff, int block_size) {
  int i, error = 0;
John Koleszar's avatar
John Koleszar committed
454

455
  for (i = 0; i < block_size; i++) {
John Koleszar's avatar
John Koleszar committed
456
457
458
    int this_diff = coeff[i] - dqcoeff[i];
    error += this_diff * this_diff;
  }
John Koleszar's avatar
John Koleszar committed
459

John Koleszar's avatar
John Koleszar committed
460
  return error;
John Koleszar's avatar
John Koleszar committed
461
462
}

John Koleszar's avatar
John Koleszar committed
463
464
465
466
467
int vp8_mbblock_error_c(MACROBLOCK *mb, int dc) {
  BLOCK  *be;
  BLOCKD *bd;
  int i, j;
  int berror, error = 0;
John Koleszar's avatar
John Koleszar committed
468

John Koleszar's avatar
John Koleszar committed
469
470
471
  for (i = 0; i < 16; i++) {
    be = &mb->block[i];
    bd = &mb->e_mbd.block[i];
John Koleszar's avatar
John Koleszar committed
472

John Koleszar's avatar
John Koleszar committed
473
    berror = 0;
John Koleszar's avatar
John Koleszar committed
474

John Koleszar's avatar
John Koleszar committed
475
476
477
    for (j = dc; j < 16; j++) {
      int this_diff = be->coeff[j] - bd->dqcoeff[j];
      berror += this_diff * this_diff;
John Koleszar's avatar
John Koleszar committed
478
479
    }

John Koleszar's avatar
John Koleszar committed
480
481
482
483
    error += berror;
  }

  return error;
John Koleszar's avatar
John Koleszar committed
484
485
}

John Koleszar's avatar
John Koleszar committed
486
487
488
int vp8_mbuverror_c(MACROBLOCK *mb) {
  BLOCK  *be;
  BLOCKD *bd;
John Koleszar's avatar
John Koleszar committed
489

490
  int i, error = 0;
John Koleszar's avatar
John Koleszar committed
491

John Koleszar's avatar
John Koleszar committed
492
493
494
  for (i = 16; i < 24; i++) {
    be = &mb->block[i];
    bd = &mb->e_mbd.block[i];
John Koleszar's avatar
John Koleszar committed
495

496
    error += vp8_block_error_c(be->coeff, bd->dqcoeff, 16);
John Koleszar's avatar
John Koleszar committed
497
  }
John Koleszar's avatar
John Koleszar committed
498

John Koleszar's avatar
John Koleszar committed
499
  return error;
John Koleszar's avatar
John Koleszar committed
500
501
}

502
int vp8_uvsse(MACROBLOCK *x) {
John Koleszar's avatar
John Koleszar committed
503
504
505
506
507
508
509
  unsigned char *uptr, *vptr;
  unsigned char *upred_ptr = (*(x->block[16].base_src) + x->block[16].src);
  unsigned char *vpred_ptr = (*(x->block[20].base_src) + x->block[20].src);
  int uv_stride = x->block[16].src_stride;

  unsigned int sse1 = 0;
  unsigned int sse2 = 0;
510
511
  int mv_row = x->e_mbd.mode_info_context->mbmi.mv[0].as_mv.row;
  int mv_col = x->e_mbd.mode_info_context->mbmi.mv[0].as_mv.col;
John Koleszar's avatar
John Koleszar committed
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
  int offset;
  int pre_stride = x->e_mbd.block[16].pre_stride;

  if (mv_row < 0)
    mv_row -= 1;
  else
    mv_row += 1;

  if (mv_col < 0)
    mv_col -= 1;
  else
    mv_col += 1;

  mv_row /= 2;
  mv_col /= 2;

  offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
  uptr = x->e_mbd.pre.u_buffer + offset;
  vptr = x->e_mbd.pre.v_buffer + offset;

  if ((mv_row | mv_col) & 7) {
533
534
535
536
    vp8_sub_pixel_variance8x8(uptr, pre_stride, (mv_col & 7) << 1,
                              (mv_row & 7) << 1, upred_ptr, uv_stride, &sse2);
    vp8_sub_pixel_variance8x8(vptr, pre_stride, (mv_col & 7) << 1,
                              (mv_row & 7) << 1, vpred_ptr, uv_stride, &sse1);
John Koleszar's avatar
John Koleszar committed
537
538
    sse2 += sse1;
  } else {
539
540
    vp8_variance8x8(uptr, pre_stride, upred_ptr, uv_stride, &sse2);
    vp8_variance8x8(vptr, pre_stride, vpred_ptr, uv_stride, &sse1);
John Koleszar's avatar
John Koleszar committed
541
542
543
    sse2 += sse1;
  }
  return sse2;
John Koleszar's avatar
John Koleszar committed
544
545
546

}

547
static int cost_coeffs_2x2(MACROBLOCK *mb,
548
                           BLOCKD *b, PLANE_TYPE type,
549
                           ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l) {
550
  int c = (type == PLANE_TYPE_Y_NO_DC); /* start at coef 0, unless Y with Y2 */
551
552
553
554
555
556
557
558
559
560
561
  int eob = b->eob;
  int pt;    /* surrounding block/prev coef predictor */
  int cost = 0;
  short *qcoeff_ptr = b->qcoeff;

  VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
  assert(eob <= 4);

  for (; c < eob; c++) {
    int v = qcoeff_ptr[vp8_default_zig_zag1d[c]];
    int t = vp8_dct_value_tokens_ptr[v].Token;
562
    cost += mb->token_costs[TX_8X8][type][vp8_coef_bands[c]][pt][t];
563
564
565
566
567
    cost += vp8_dct_value_cost_ptr[v];
    pt = vp8_prev_token_class[t];
  }

  if (c < 4)
568
    cost += mb->token_costs[TX_8X8][type][vp8_coef_bands[c]]
569
570
571
572
573
574
575
            [pt] [DCT_EOB_TOKEN];

  pt = (c != !type); // is eob first coefficient;
  *a = *l = pt;
  return cost;
}

576
static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
Daniel Kang's avatar
Daniel Kang committed
577
                       ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
578
                       int tx_size) {
Daniel Kang's avatar
Daniel Kang committed
579
  const int eob = b->eob;
580
  int c = (type == PLANE_TYPE_Y_NO_DC); /* start at coef 0, unless Y with Y2 */
581
  int cost = 0, default_eob, seg_eob;
Daniel Kang's avatar
Daniel Kang committed
582
583
  int pt;                     /* surrounding block/prev coef predictor */
  int const *scan, *band;
John Koleszar's avatar
John Koleszar committed
584
  short *qcoeff_ptr = b->qcoeff;
585
586
587
  MACROBLOCKD *xd = &mb->e_mbd;
  MB_MODE_INFO *mbmi = &mb->e_mbd.mode_info_context->mbmi;
  TX_TYPE tx_type = DCT_DCT;
Paul Wilkins's avatar
Paul Wilkins committed
588
  int segment_id = mbmi->segment_id;
589

590
  switch (tx_size) {
Daniel Kang's avatar
Daniel Kang committed
591
592
593
594
    case TX_4X4:
      scan = vp8_default_zig_zag1d;
      band = vp8_coef_bands;
      default_eob = 16;
Deb Mukherjee's avatar
Deb Mukherjee committed
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
      if (type == PLANE_TYPE_Y_WITH_DC) {
        tx_type = get_tx_type_4x4(xd, b);
        if (tx_type != DCT_DCT) {
          switch (tx_type) {
            case ADST_DCT:
              scan = vp8_row_scan;
              break;

            case DCT_ADST:
              scan = vp8_col_scan;
              break;

            default:
              scan = vp8_default_zig_zag1d;
              break;
          }
611
        }
Daniel Kang's avatar
Daniel Kang committed
612
      }
Deb Mukherjee's avatar
Deb Mukherjee committed
613

Daniel Kang's avatar
Daniel Kang committed
614
615
616
617
618
      break;
    case TX_8X8:
      scan = vp8_default_zig_zag1d_8x8;
      band = vp8_coef_bands_8x8;
      default_eob = 64;
Deb Mukherjee's avatar
Deb Mukherjee committed
619
      if (type == PLANE_TYPE_Y_WITH_DC) {
620
621
        BLOCKD *bb;
        int ib = (b - xd->block);
622
623
624
        if (ib < 16) {
          ib = (ib & 8) + ((ib & 4) >> 1);
          bb = xd->block + ib;
Deb Mukherjee's avatar
Deb Mukherjee committed
625
          tx_type = get_tx_type_8x8(xd, bb);
626
        }
627
      }
Daniel Kang's avatar
Daniel Kang committed
628
629
630
631
632
      break;
    case TX_16X16:
      scan = vp8_default_zig_zag1d_16x16;
      band = vp8_coef_bands_16x16;
      default_eob = 256;
Deb Mukherjee's avatar
Deb Mukherjee committed
633
634
635
      if (type == PLANE_TYPE_Y_WITH_DC) {
        tx_type = get_tx_type_16x16(xd, b);
      }
Daniel Kang's avatar
Daniel Kang committed
636
637
638
639
      break;
    default:
      break;
  }
640
641
642
643
644
  if (segfeature_active(&mb->e_mbd, segment_id, SEG_LVL_EOB))
    seg_eob = get_segdata(&mb->e_mbd, segment_id, SEG_LVL_EOB);
  else
    seg_eob = default_eob;

645
646
  VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);

647
648
649
650
651
652
653
654
655
656
657
  if (tx_type != DCT_DCT) {
    for (; c < eob; c++) {
      int v = qcoeff_ptr[scan[c]];
      int t = vp8_dct_value_tokens_ptr[v].Token;
      cost += mb->hybrid_token_costs[tx_size][type][band[c]][pt][t];
      cost += vp8_dct_value_cost_ptr[v];
      pt = vp8_prev_token_class[t];
    }
    if (c < seg_eob)
      cost += mb->hybrid_token_costs[tx_size][type][band[c]]
          [pt][DCT_EOB_TOKEN];
658
  } else {
659
660
661
662
663
664
665
666
667
668
    for (; c < eob; c++) {
      int v = qcoeff_ptr[scan[c]];
      int t = vp8_dct_value_tokens_ptr[v].Token;
      cost += mb->token_costs[tx_size][type][band[c]][pt][t];
      cost += vp8_dct_value_cost_ptr[v];
      pt = vp8_prev_token_class[t];
    }
    if (c < seg_eob)
      cost += mb->token_costs[tx_size][type][band[c]]
          [pt][DCT_EOB_TOKEN];
669
670
671
672
673
674
675
  }

  pt = (c != !type); // is eob first coefficient;
  *a = *l = pt;
  return cost;
}

John Koleszar's avatar
John Koleszar committed
676
677
678
static int vp8_rdcost_mby(MACROBLOCK *mb) {
  int cost = 0;
  int b;
Paul Wilkins's avatar
Paul Wilkins committed
679
  MACROBLOCKD *xd = &mb->e_mbd;
John Koleszar's avatar
John Koleszar committed
680
681
682
  ENTROPY_CONTEXT_PLANES t_above, t_left;
  ENTROPY_CONTEXT *ta;
  ENTROPY_CONTEXT *tl;
683

Paul Wilkins's avatar
Paul Wilkins committed
684
685
  vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
  vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
John Koleszar's avatar
John Koleszar committed
686

John Koleszar's avatar
John Koleszar committed
687
688
  ta = (ENTROPY_CONTEXT *)&t_above;
  tl = (ENTROPY_CONTEXT *)&t_left;
John Koleszar's avatar
John Koleszar committed
689

John Koleszar's avatar
John Koleszar committed
690
  for (b = 0; b < 16; b++)
Paul Wilkins's avatar
Paul Wilkins committed
691
    cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_Y_NO_DC,
Daniel Kang's avatar
Daniel Kang committed
692
693
                        ta + vp8_block2above[b], tl + vp8_block2left[b],
                        TX_4X4);
John Koleszar's avatar
John Koleszar committed
694

Paul Wilkins's avatar
Paul Wilkins committed
695
  cost += cost_coeffs(mb, xd->block + 24, PLANE_TYPE_Y2,
Daniel Kang's avatar
Daniel Kang committed
696
697
                      ta + vp8_block2above[24], tl + vp8_block2left[24],
                      TX_4X4);
John Koleszar's avatar
John Koleszar committed
698

John Koleszar's avatar
John Koleszar committed
699
  return cost;
John Koleszar's avatar
John Koleszar committed
700
701
}

702
703
704
705
706
static void macro_block_yrd_4x4(MACROBLOCK *mb,
                                int *Rate,
                                int *Distortion,
                                const VP8_ENCODER_RTCD *rtcd,
                                int *skippable) {
John Koleszar's avatar
John Koleszar committed
707
  int b;
Paul Wilkins's avatar
Paul Wilkins committed
708
  MACROBLOCKD *const xd = &mb->e_mbd;
John Koleszar's avatar
John Koleszar committed
709
  BLOCK   *const mb_y2 = mb->block + 24;
Paul Wilkins's avatar
Paul Wilkins committed
710
  BLOCKD *const x_y2  = xd->block + 24;
John Koleszar's avatar
John Koleszar committed
711
712
713
  short *Y2DCPtr = mb_y2->src_diff;
  BLOCK *beptr;
  int d;
714

John Koleszar's avatar
John Koleszar committed
715
716
717
  ENCODEMB_INVOKE(&rtcd->encodemb, submby)(
    mb->src_diff,
    *(mb->block[0].base_src),
Paul Wilkins's avatar
Paul Wilkins committed
718
    xd->predictor,
John Koleszar's avatar
John Koleszar committed
719
    mb->block[0].src_stride);
720

John Koleszar's avatar
John Koleszar committed
721
722
723
724
725
726
727
728
729
730
731
732
  // Fdct and building the 2nd order block
  for (beptr = mb->block; beptr < mb->block + 16; beptr += 2) {
    mb->vp8_short_fdct8x4(beptr->src_diff, beptr->coeff, 32);
    *Y2DCPtr++ = beptr->coeff[0];
    *Y2DCPtr++ = beptr->coeff[16];
  }

  // 2nd order fdct
  mb->short_walsh4x4(mb_y2->src_diff, mb_y2->coeff, 8);

  // Quantization
  for (b = 0; b < 16; b++) {
733
    mb->quantize_b_4x4(&mb->block[b], &xd->block[b]);
John Koleszar's avatar
John Koleszar committed
734
  }
735

John Koleszar's avatar
John Koleszar committed
736
  // DC predication and Quantization of 2nd Order block
737
  mb->quantize_b_4x4(mb_y2, x_y2);
738

John Koleszar's avatar
John Koleszar committed
739
740
  // Distortion
  d = ENCODEMB_INVOKE(&rtcd->encodemb, mberr)(mb, 1);
741

742
  d += ENCODEMB_INVOKE(&rtcd->encodemb, berr)(mb_y2->coeff, x_y2->dqcoeff, 16);
743

John Koleszar's avatar
John Koleszar committed
744
745
746
  *Distortion = (d >> 2);
  // rate
  *Rate = vp8_rdcost_mby(mb);
747
  *skippable = mby_is_skippable_4x4(&mb->e_mbd, 1);
748
}
John Koleszar's avatar
John Koleszar committed
749

Ronald S. Bultje's avatar
Ronald S. Bultje committed
750
static int vp8_rdcost_mby_8x8(MACROBLOCK *mb, int backup) {
John Koleszar's avatar
John Koleszar committed
751
752
  int cost = 0;
  int b;
Paul Wilkins's avatar
Paul Wilkins committed
753
  MACROBLOCKD *xd = &mb->e_mbd;
John Koleszar's avatar
John Koleszar committed
754
755
756
757
  ENTROPY_CONTEXT_PLANES t_above, t_left;
  ENTROPY_CONTEXT *ta;
  ENTROPY_CONTEXT *tl;

Ronald S. Bultje's avatar
Ronald S. Bultje committed
758
759
760
  if (backup) {
    vpx_memcpy(&t_above,xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
    vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
John Koleszar's avatar
John Koleszar committed
761

Ronald S. Bultje's avatar
Ronald S. Bultje committed
762
763
764
765
766
767
    ta = (ENTROPY_CONTEXT *)&t_above;
    tl = (ENTROPY_CONTEXT *)&t_left;
  } else {
    ta = (ENTROPY_CONTEXT *)mb->e_mbd.above_context;
    tl = (ENTROPY_CONTEXT *)mb->e_mbd.left_context;
  }
John Koleszar's avatar
John Koleszar committed
768
769

  for (b = 0; b < 16; b += 4)
Paul Wilkins's avatar
Paul Wilkins committed
770
    cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_Y_NO_DC,
Daniel Kang's avatar
Daniel Kang committed
771
772
                        ta + vp8_block2above_8x8[b], tl + vp8_block2left_8x8[b],
                        TX_8X8);
John Koleszar's avatar
John Koleszar committed
773

Paul Wilkins's avatar
Paul Wilkins committed
774
  cost += cost_coeffs_2x2(mb, xd->block + 24, PLANE_TYPE_Y2,
John Koleszar's avatar
John Koleszar committed
775
776
                          ta + vp8_block2above[24], tl + vp8_block2left[24]);
  return cost;
777
778
}

John Koleszar's avatar
John Koleszar committed
779
780
781
static void macro_block_yrd_8x8(MACROBLOCK *mb,
                                int *Rate,
                                int *Distortion,
782
783
                                const VP8_ENCODER_RTCD *rtcd,
                                int *skippable) {
Paul Wilkins's avatar
Paul Wilkins committed
784
  MACROBLOCKD *const xd = &mb->e_mbd;
John Koleszar's avatar
John Koleszar committed
785
  BLOCK   *const mb_y2 = mb->block + 24;
Paul Wilkins's avatar
Paul Wilkins committed
786
  BLOCKD *const x_y2  = xd->block + 24;
John Koleszar's avatar
John Koleszar committed
787
788
789
790
791
  int d;

  ENCODEMB_INVOKE(&rtcd->encodemb, submby)(
    mb->src_diff,
    *(mb->block[0].base_src),
Paul Wilkins's avatar
Paul Wilkins committed
792
    xd->predictor,
John Koleszar's avatar
John Koleszar committed
793
794
795
796
797
798
799
800
801
802
    mb->block[0].src_stride);

  vp8_transform_mby_8x8(mb);
  vp8_quantize_mby_8x8(mb);

  /* remove 1st order dc to properly combine 1st/2nd order distortion */
  mb->coeff[0] = 0;
  mb->coeff[64] = 0;
  mb->coeff[128] = 0;
  mb->coeff[192] = 0;
Paul Wilkins's avatar
Paul Wilkins committed
803
804
805
806
  xd->dqcoeff[0] = 0;
  xd->dqcoeff[64] = 0;
  xd->dqcoeff[128] = 0;
  xd->dqcoeff[192] = 0;
John Koleszar's avatar
John Koleszar committed
807
808

  d = ENCODEMB_INVOKE(&rtcd->encodemb, mberr)(mb, 0);
809
  d += ENCODEMB_INVOKE(&rtcd->encodemb, berr)(mb_y2->coeff, x_y2->dqcoeff, 16);
John Koleszar's avatar
John Koleszar committed
810
811
812

  *Distortion = (d >> 2);
  // rate
Ronald S. Bultje's avatar
Ronald S. Bultje committed
813
  *Rate = vp8_rdcost_mby_8x8(mb, 1);
814
  *skippable = mby_is_skippable_8x8(&mb->e_mbd, 1);
815
}
816

Daniel Kang's avatar
Daniel Kang committed
817
818
static int vp8_rdcost_mby_16x16(MACROBLOCK *mb) {
  int cost;
Paul Wilkins's avatar
Paul Wilkins committed
819
  MACROBLOCKD *xd = &mb->e_mbd;
Daniel Kang's avatar
Daniel Kang committed
820
821
822
  ENTROPY_CONTEXT_PLANES t_above, t_left;
  ENTROPY_CONTEXT *ta, *tl;

Paul Wilkins's avatar
Paul Wilkins committed
823
824
  vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
  vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
Daniel Kang's avatar
Daniel Kang committed
825
826
827
828

  ta = (ENTROPY_CONTEXT *)&t_above;
  tl = (ENTROPY_CONTEXT *)&t_left;

Paul Wilkins's avatar
Paul Wilkins committed
829
  cost = cost_coeffs(mb, xd->block, PLANE_TYPE_Y_WITH_DC, ta, tl, TX_16X16);
Daniel Kang's avatar
Daniel Kang committed
830
831
  return cost;
}
832

Daniel Kang's avatar
Daniel Kang committed
833
static void macro_block_yrd_16x16(MACROBLOCK *mb, int *Rate, int *Distortion,
834
                                  const VP8_ENCODER_RTCD *rtcd, int *skippable) {
Daniel Kang's avatar
Daniel Kang committed
835
  int d;
Deb Mukherjee's avatar
Deb Mukherjee committed
836
837
838
839
  MACROBLOCKD *xd = &mb->e_mbd;
  BLOCKD *b  = &mb->e_mbd.block[0];
  BLOCK  *be = &mb->block[0];
  TX_TYPE tx_type;
Daniel Kang's avatar
Daniel Kang committed
840
841
842
843
844
845
846

  ENCODEMB_INVOKE(&rtcd->encodemb, submby)(
    mb->src_diff,
    *(mb->block[0].base_src),
    mb->e_mbd.predictor,
    mb->block[0].src_stride);

Deb Mukherjee's avatar
Deb Mukherjee committed
847
848
849
  tx_type = get_tx_type_16x16(xd, b);
  if (tx_type != DCT_DCT) {
    vp8_fht_c(be->src_diff, be->coeff, 32, tx_type, 16);
850
851
852
  } else
    vp8_transform_mby_16x16(mb);

Daniel Kang's avatar
Daniel Kang committed
853
  vp8_quantize_mby_16x16(mb);
854
855
856
  // TODO(jingning) is it possible to quickly determine whether to force
  //                trailing coefficients to be zero, instead of running trellis
  //                optimization in the rate-distortion optimization loop?
857
  if (mb->e_mbd.mode_info_context->mbmi.mode < I8X8_PRED)
858
859
    vp8_optimize_mby_16x16(mb, rtcd);

Daniel Kang's avatar
Daniel Kang committed
860
861
862
863
864
  d = ENCODEMB_INVOKE(&rtcd->encodemb, mberr)(mb, 0);

  *Distortion = (d >> 2);
  // rate
  *Rate = vp8_rdcost_mby_16x16(mb);
865
  *skippable = mby_is_skippable_16x16(&mb->e_mbd);
Daniel Kang's avatar
Daniel Kang committed
866
867
}

868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
static void macro_block_yrd(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
                            int *distortion, int *skippable,
                            int64_t txfm_cache[NB_TXFM_MODES]) {
  VP8_COMMON *cm = &cpi->common;
  MB_MODE_INFO *mbmi = &x->e_mbd.mode_info_context->mbmi;

#if CONFIG_TX_SELECT

  MACROBLOCKD *xd = &x->e_mbd;
  int can_skip = cm->mb_no_coeff_skip;
  vp8_prob skip_prob = can_skip ? get_pred_prob(cm, xd, PRED_MBSKIP) : 128;
  int s0, s1;
  int r4x4, r4x4s, r8x8, r8x8s, d4x4, d8x8, s4x4, s8x8;
  int64_t rd4x4, rd8x8, rd4x4s, rd8x8s;
  int d16x16, r16x16, r16x16s, s16x16;
  int64_t rd16x16, rd16x16s;

  // FIXME don't do sub x3
  if (skip_prob == 0)
    skip_prob = 1;
  s0 = vp8_cost_bit(skip_prob, 0);
  s1 = vp8_cost_bit(skip_prob, 1);
  macro_block_yrd_16x16(x, &r16x16, &d16x16, IF_RTCD(&cpi->rtcd), &s16x16);
  if (can_skip) {
    if (s16x16) {
      rd16x16 = RDCOST(x->rdmult, x->rddiv, s1, d16x16);
    } else {
      rd16x16 = RDCOST(x->rdmult, x->rddiv, r16x16 + s0, d16x16);
    }
  } else {
    rd16x16 = RDCOST(x->rdmult, x->rddiv, r16x16, d16x16);
  }
  r16x16s = r16x16 + vp8_cost_one(cm->prob_tx[0]) + vp8_cost_one(cm->prob_tx[1]);
  if (can_skip) {
    if (s16x16) {
      rd16x16s = RDCOST(x->rdmult, x->rddiv, s1, d16x16);
    } else {
      rd16x16s = RDCOST(x->rdmult, x->rddiv, r16x16s + s0, d16x16);
    }
  } else {
    rd16x16s = RDCOST(x->rdmult, x->rddiv, r16x16s, d16x16);
  }
  macro_block_yrd_8x8(x, &r8x8, &d8x8, IF_RTCD(&cpi->rtcd), &s8x8);
  if (can_skip) {
    if (s8x8) {
      rd8x8 = RDCOST(x->rdmult, x->rddiv, s1, d8x8);
    } else {
      rd8x8 = RDCOST(x->rdmult, x->rddiv, r8x8 + s0, d8x8);
    }
  } else {
    rd8x8 = RDCOST(x->rdmult, x->rddiv, r8x8, d8x8);
  }
  r8x8s = r8x8 + vp8_cost_one(cm->prob_tx[0]);
  r8x8s += vp8_cost_zero(cm->prob_tx[1]);
  if (can_skip) {
    if (s8x8) {
      rd8x8s = RDCOST(x->rdmult, x->rddiv, s1, d8x8);
    } else {
      rd8x8s = RDCOST(x->rdmult, x->rddiv, r8x8s + s0, d8x8);
    }
  } else {
    rd8x8s = RDCOST(x->rdmult, x->rddiv, r8x8s, d8x8);
  }
  macro_block_yrd_4x4(x, &r4x4, &d4x4, IF_RTCD(&cpi->rtcd), &s4x4);
  if (can_skip) {
    if (s4x4) {
      rd4x4 = RDCOST(x->rdmult, x->rddiv, s1, d4x4);
    } else {
      rd4x4 = RDCOST(x->rdmult, x->rddiv, r4x4 + s0, d4x4);
    }
  } else {
    rd4x4 = RDCOST(x->rdmult, x->rddiv, r4x4, d4x4);
  }
  r4x4s = r4x4 + vp8_cost_zero(cm->prob_tx[0]);
  if (can_skip) {
    if (s4x4) {
      rd4x4s = RDCOST(x->rdmult, x->rddiv, s1, d4x4);
    } else {
      rd4x4s = RDCOST(x->rdmult, x->rddiv, r4x4s + s0, d4x4);
    }
  } else {
    rd4x4s = RDCOST(x->rdmult, x->rddiv, r4x4s, d4x4);
  }

  if ( cpi->common.txfm_mode == ALLOW_16X16 ||
      (cpi->common.txfm_mode == TX_MODE_SELECT &&
       rd16x16s < rd8x8s && rd16x16s < rd4x4s)) {
    mbmi->txfm_size = TX_16X16;
    *skippable = s16x16;
    *distortion = d16x16;
    *rate = (cpi->common.txfm_mode == ALLOW_16X16) ? r16x16 : r16x16s;
  } else
  if ( cpi->common.txfm_mode == ALLOW_8X8 ||
      (cpi->common.txfm_mode == TX_MODE_SELECT && rd8x8s < rd4x4s)) {
    mbmi->txfm_size = TX_8X8;
    *skippable = s8x8;
    *distortion = d8x8;
    *rate = (cpi->common.txfm_mode == ALLOW_8X8) ? r8x8 : r8x8s;
  } else {
    assert(cpi->common.txfm_mode == ONLY_4X4 ||
           (cpi->common.txfm_mode == TX_MODE_SELECT && rd4x4s <= rd8x8s));
    mbmi->txfm_size = TX_4X4;
    *skippable = s4x4;
    *distortion = d4x4;
    *rate = (cpi->common.txfm_mode == ONLY_4X4) ? r4x4 : r4x4s;
  }

  txfm_cache[ONLY_4X4] = rd4x4;
  txfm_cache[ALLOW_8X8] = rd8x8;
  txfm_cache[ALLOW_16X16] = rd16x16;
  if (rd16x16s < rd8x8s && rd16x16s < rd4x4s)
    txfm_cache[TX_MODE_SELECT] = rd16x16s;
  else
    txfm_cache[TX_MODE_SELECT] = rd4x4s < rd8x8s ? rd4x4s : rd8x8s;

#else /* CONFIG_TX_SELECT */

  switch (cpi->common.txfm_mode) {
    case ALLOW_16X16:
      macro_block_yrd_16x16(x, rate, distortion, IF_RTCD(&cpi->rtcd), skippable);
      mbmi->txfm_size = TX_16X16;
      break;
    case ALLOW_8X8:
      macro_block_yrd_8x8(x, rate, distortion, IF_RTCD(&cpi->rtcd), skippable);
      mbmi->txfm_size = TX_8X8;
      break;
    default:
    case ONLY_4X4:
      macro_block_yrd_4x4(x, rate, distortion, IF_RTCD(&cpi->rtcd), skippable);
      mbmi->txfm_size = TX_4X4;
      break;
  }

For faster browsing, not all history is shown. View entire blame