encodeframe.c 76.9 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
 */


#include "vpx_ports/config.h"
#include "encodemb.h"
#include "encodemv.h"
John Koleszar's avatar
John Koleszar committed
15
#include "vp8/common/common.h"
John Koleszar's avatar
John Koleszar committed
16
#include "onyx_int.h"
John Koleszar's avatar
John Koleszar committed
17
18
19
#include "vp8/common/extend.h"
#include "vp8/common/entropymode.h"
#include "vp8/common/quant_common.h"
20
#include "segmentation.h"
John Koleszar's avatar
John Koleszar committed
21
#include "vp8/common/setupintrarecon.h"
22
#include "vp8/common/reconintra4x4.h"
John Koleszar's avatar
John Koleszar committed
23
#include "encodeintra.h"
John Koleszar's avatar
John Koleszar committed
24
#include "vp8/common/reconinter.h"
Ronald S. Bultje's avatar
Ronald S. Bultje committed
25
#include "vp8/common/invtrans.h"
John Koleszar's avatar
John Koleszar committed
26
#include "rdopt.h"
John Koleszar's avatar
John Koleszar committed
27
28
#include "vp8/common/findnearmv.h"
#include "vp8/common/reconintra.h"
Christian Duvivier's avatar
Christian Duvivier committed
29
#include "vp8/common/seg_common.h"
30
#include "vpx_rtcd.h"
John Koleszar's avatar
John Koleszar committed
31
#include <stdio.h>
32
#include <math.h>
John Koleszar's avatar
John Koleszar committed
33
#include <limits.h>
John Koleszar's avatar
John Koleszar committed
34
#include "vp8/common/subpixel.h"
John Koleszar's avatar
John Koleszar committed
35
#include "vpx_ports/vpx_timer.h"
36
#include "vp8/common/pred_common.h"
John Koleszar's avatar
John Koleszar committed
37

38
#define DBG_PRNT_SEGMAP 0
39
#if CONFIG_NEWBESTREFMV
Paul Wilkins's avatar
Paul Wilkins committed
40
41
42
#include "vp8/common/mvref_common.h"
#endif

43

John Koleszar's avatar
John Koleszar committed
44
45
46
47
48
49
50
#if CONFIG_RUNTIME_CPU_DETECT
#define RTCD(x)     &cpi->common.rtcd.x
#define IF_RTCD(x)  (x)
#else
#define RTCD(x)     NULL
#define IF_RTCD(x)  NULL
#endif
51

52
#ifdef ENC_DEBUG
John Koleszar's avatar
John Koleszar committed
53
int enc_debug = 0;
54
55
56
int mb_row_debug, mb_col_debug;
#endif

57
extern void vp9_initialize_me_consts(VP9_COMP *cpi, int QIndex);
58

59
extern void vp9_auto_select_speed(VP9_COMP *cpi);
60

61
int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
62
63
                              int recon_yoffset, int recon_uvoffset,
                              int *returnrate, int *returndistortion);
64

65
extern void vp9_pick_mode_inter_macroblock(VP9_COMP *cpi, MACROBLOCK *x,
66
67
68
                                           int recon_yoffset,
                                           int recon_uvoffset, int *r, int *d);

69
void vp9_build_block_offsets(MACROBLOCK *x);
70

71
void vp9_setup_block_ptrs(MACROBLOCK *x);
72

73
void vp9_encode_inter_macroblock(VP9_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
74
75
76
                                 int recon_yoffset, int recon_uvoffset,
                                 int output_enabled);

77
void vp9_encode_inter_superblock(VP9_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
78
79
80
                                 int recon_yoffset, int recon_uvoffset,
                                 int mb_col, int mb_row);

81
void vp9_encode_intra_macro_block(VP9_COMP *cpi, MACROBLOCK *x,
82
83
                                  TOKENEXTRA **t, int output_enabled);

84
void vp9_encode_intra_super_block(VP9_COMP *cpi, MACROBLOCK *x,
85
86
                                  TOKENEXTRA **t, int mb_col);

87
static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x);
88

John Koleszar's avatar
John Koleszar committed
89
#ifdef MODE_STATS
90
unsigned int inter_y_modes[MB_MODE_COUNT];
91
unsigned int inter_uv_modes[VP9_UV_MODES];
92
unsigned int inter_b_modes[B_MODE_COUNT];
93
94
95
96
unsigned int y_modes[VP9_YMODES];
unsigned int i8x8_modes[VP9_I8X8_MODES];
unsigned int uv_modes[VP9_UV_MODES];
unsigned int uv_modes_y[VP9_YMODES][VP9_UV_MODES];
97
unsigned int b_modes[B_MODE_COUNT];
John Koleszar's avatar
John Koleszar committed
98
99
100
#endif


101
102
103
/* activity_avg must be positive, or flat regions could get a zero weight
 *  (infinite lambda), which confounds analysis.
 * This also avoids the need for divide by zero checks in
104
 *  vp9_activity_masking().
105
 */
106
#define VP9_ACTIVITY_AVG_MIN (64)
107
108
109
110
111
112

/* This is used as a reference when computing the source variance for the
 *  purposes of activity masking.
 * Eventually this should be replaced by custom no-reference routines,
 *  which will be faster.
 */
113
static const unsigned char VP9_VAR_OFFS[16] = {
John Koleszar's avatar
John Koleszar committed
114
  128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
115
116
};

117
118

// Original activity measure from Tim T's code.
119
static unsigned int tt_activity_measure(VP9_COMP *cpi, MACROBLOCK *x) {
John Koleszar's avatar
John Koleszar committed
120
121
122
123
124
125
126
127
128
  unsigned int act;
  unsigned int sse;
  /* TODO: This could also be done over smaller areas (8x8), but that would
   *  require extensive changes elsewhere, as lambda is assumed to be fixed
   *  over an entire MB in most of the code.
   * Another option is to compute four 8x8 variances, and pick a single
   *  lambda using a non-linear combination (e.g., the smallest, or second
   *  smallest, etc.).
   */
129
  act = vp9_variance16x16(x->src.y_buffer, x->src.y_stride, VP9_VAR_OFFS, 0,
130
                          &sse);
John Koleszar's avatar
John Koleszar committed
131
132
133
134
135
136
137
  act = act << 4;

  /* If the region is flat, lower the activity some more. */
  if (act < 8 << 12)
    act = act < 5 << 12 ? act : 5 << 12;

  return act;
138
139
}

140
// Stub for alternative experimental activity measures.
141
static unsigned int alt_activity_measure(VP9_COMP *cpi,
John Koleszar's avatar
John Koleszar committed
142
                                         MACROBLOCK *x, int use_dc_pred) {
143
  return vp9_encode_intra(cpi, x, use_dc_pred);
144
145
146
147
148
}


// Measure the activity of the current macroblock
// What we measure here is TBD so abstracted to this function
149
#define ALT_ACT_MEASURE 1
150
static unsigned int mb_activity_measure(VP9_COMP *cpi, MACROBLOCK *x,
John Koleszar's avatar
John Koleszar committed
151
152
                                        int mb_row, int mb_col) {
  unsigned int mb_activity;
153

John Koleszar's avatar
John Koleszar committed
154
155
  if (ALT_ACT_MEASURE) {
    int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
156

John Koleszar's avatar
John Koleszar committed
157
158
159
160
161
162
    // Or use and alternative.
    mb_activity = alt_activity_measure(cpi, x, use_dc_pred);
  } else {
    // Original activity measure from Tim T's code.
    mb_activity = tt_activity_measure(cpi, x);
  }
163

164
165
  if (mb_activity < VP9_ACTIVITY_AVG_MIN)
    mb_activity = VP9_ACTIVITY_AVG_MIN;
166

John Koleszar's avatar
John Koleszar committed
167
  return mb_activity;
168
169
170
}

// Calculate an "average" mb activity value for the frame
171
#define ACT_MEDIAN 0
172
static void calc_av_activity(VP9_COMP *cpi, int64_t activity_sum) {
173
#if ACT_MEDIAN
John Koleszar's avatar
John Koleszar committed
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
  // Find median: Simple n^2 algorithm for experimentation
  {
    unsigned int median;
    unsigned int i, j;
    unsigned int *sortlist;
    unsigned int tmp;

    // Create a list to sort to
    CHECK_MEM_ERROR(sortlist,
    vpx_calloc(sizeof(unsigned int),
    cpi->common.MBs));

    // Copy map to sort list
    vpx_memcpy(sortlist, cpi->mb_activity_map,
    sizeof(unsigned int) * cpi->common.MBs);


    // Ripple each value down to its correct position
    for (i = 1; i < cpi->common.MBs; i ++) {
      for (j = i; j > 0; j --) {
        if (sortlist[j] < sortlist[j - 1]) {
          // Swap values
          tmp = sortlist[j - 1];
          sortlist[j - 1] = sortlist[j];
          sortlist[j] = tmp;
        } else
          break;
      }
    }
203

John Koleszar's avatar
John Koleszar committed
204
205
206
    // Even number MBs so estimate median as mean of two either side.
    median = (1 + sortlist[cpi->common.MBs >> 1] +
              sortlist[(cpi->common.MBs >> 1) + 1]) >> 1;
207

John Koleszar's avatar
John Koleszar committed
208
    cpi->activity_avg = median;
209

John Koleszar's avatar
John Koleszar committed
210
211
    vpx_free(sortlist);
  }
212
#else
John Koleszar's avatar
John Koleszar committed
213
214
  // Simple mean for now
  cpi->activity_avg = (unsigned int)(activity_sum / cpi->common.MBs);
215
216
#endif

217
218
  if (cpi->activity_avg < VP9_ACTIVITY_AVG_MIN)
    cpi->activity_avg = VP9_ACTIVITY_AVG_MIN;
219

John Koleszar's avatar
John Koleszar committed
220
221
222
  // Experimental code: return fixed value normalized for several clips
  if (ALT_ACT_MEASURE)
    cpi->activity_avg = 100000;
223
224
}

225
#define USE_ACT_INDEX   0
226
#define OUTPUT_NORM_ACT_STATS   0
227
228
229

#if USE_ACT_INDEX
// Calculate and activity index for each mb
230
231
static void calc_activity_index(VP9_COMP *cpi, MACROBLOCK *x) {
  VP9_COMMON *const cm = &cpi->common;
John Koleszar's avatar
John Koleszar committed
232
  int mb_row, mb_col;
233

John Koleszar's avatar
John Koleszar committed
234
235
236
  int64_t act;
  int64_t a;
  int64_t b;
237
238

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
239
240
  FILE *f = fopen("norm_act.stt", "a");
  fprintf(f, "\n%12d\n", cpi->activity_avg);
241
242
#endif

John Koleszar's avatar
John Koleszar committed
243
244
  // Reset pointers to start of activity map
  x->mb_activity_ptr = cpi->mb_activity_map;
245

John Koleszar's avatar
John Koleszar committed
246
247
248
249
250
251
  // Calculate normalized mb activity number.
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
      // Read activity from the map
      act = *(x->mb_activity_ptr);
252

John Koleszar's avatar
John Koleszar committed
253
254
255
      // Calculate a normalized activity number
      a = act + 4 * cpi->activity_avg;
      b = 4 * act + cpi->activity_avg;
256

John Koleszar's avatar
John Koleszar committed
257
258
259
260
      if (b >= a)
        *(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
      else
        *(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
261
262

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
263
      fprintf(f, " %6d", *(x->mb_activity_ptr));
264
#endif
John Koleszar's avatar
John Koleszar committed
265
266
267
      // Increment activity map pointers
      x->mb_activity_ptr++;
    }
268
269

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
270
    fprintf(f, "\n");
271
272
#endif

John Koleszar's avatar
John Koleszar committed
273
  }
274
275

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
276
  fclose(f);
277
278
279
#endif

}
280
#endif
281
282
283

// Loop through all MBs. Note activity of each, average activity and
// calculate a normalized activity for each
284
static void build_activity_map(VP9_COMP *cpi) {
John Koleszar's avatar
John Koleszar committed
285
  MACROBLOCK *const x = &cpi->mb;
John Koleszar's avatar
John Koleszar committed
286
  MACROBLOCKD *xd = &x->e_mbd;
287
  VP9_COMMON *const cm = &cpi->common;
288

289
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
290
291
292
  YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
  int recon_yoffset;
  int recon_y_stride = new_yv12->y_stride;
293
294
#endif

John Koleszar's avatar
John Koleszar committed
295
296
297
  int mb_row, mb_col;
  unsigned int mb_activity;
  int64_t activity_sum = 0;
298

John Koleszar's avatar
John Koleszar committed
299
300
  // for each macroblock row in image
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
301
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
302
303
304
    // reset above block coeffs
    xd->up_available = (mb_row != 0);
    recon_yoffset = (mb_row * recon_y_stride * 16);
305
#endif
John Koleszar's avatar
John Koleszar committed
306
307
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
308
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
309
310
311
      xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
      xd->left_available = (mb_col != 0);
      recon_yoffset += 16;
312
#endif
John Koleszar's avatar
John Koleszar committed
313
      // Copy current mb to a buffer
314
      vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
315

John Koleszar's avatar
John Koleszar committed
316
317
      // measure activity
      mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
318

John Koleszar's avatar
John Koleszar committed
319
320
      // Keep frame sum
      activity_sum += mb_activity;
321

John Koleszar's avatar
John Koleszar committed
322
323
      // Store MB level activity details.
      *x->mb_activity_ptr = mb_activity;
324

John Koleszar's avatar
John Koleszar committed
325
326
      // Increment activity map pointer
      x->mb_activity_ptr++;
327

John Koleszar's avatar
John Koleszar committed
328
329
330
      // adjust to the next column of source macroblocks
      x->src.y_buffer += 16;
    }
331

332

John Koleszar's avatar
John Koleszar committed
333
334
    // adjust to the next row of mbs
    x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
335
336

#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
337
    // extend the recon for intra prediction
338
    vp9_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,
John Koleszar's avatar
John Koleszar committed
339
                      xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
340
341
#endif

John Koleszar's avatar
John Koleszar committed
342
  }
343

John Koleszar's avatar
John Koleszar committed
344
345
  // Calculate an "average" MB activity
  calc_av_activity(cpi, activity_sum);
346

347
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
348
349
  // Calculate an activity index number of each mb
  calc_activity_index(cpi, x);
350
351
#endif

352
353
}

354
// Macroblock activity masking
355
void vp9_activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
356
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
357
358
359
  x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
  x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
  x->errorperbit += (x->errorperbit == 0);
360
#else
John Koleszar's avatar
John Koleszar committed
361
362
363
  int64_t a;
  int64_t b;
  int64_t act = *(x->mb_activity_ptr);
364

John Koleszar's avatar
John Koleszar committed
365
366
367
  // Apply the masking to the RD multiplier.
  a = act + (2 * cpi->activity_avg);
  b = (2 * act) + cpi->activity_avg;
368

John Koleszar's avatar
John Koleszar committed
369
370
371
  x->rdmult = (unsigned int)(((int64_t)x->rdmult * b + (a >> 1)) / a);
  x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
  x->errorperbit += (x->errorperbit == 0);
372
#endif
373

John Koleszar's avatar
John Koleszar committed
374
375
  // Activity based Zbin adjustment
  adjust_act_zbin(cpi, x);
376
}
John Koleszar's avatar
John Koleszar committed
377

378
static void update_state(VP9_COMP *cpi, MACROBLOCK *x, PICK_MODE_CONTEXT *ctx) {
John Koleszar's avatar
John Koleszar committed
379
380
381
  int i;
  MACROBLOCKD *xd = &x->e_mbd;
  MODE_INFO *mi = &ctx->mic;
Paul Wilkins's avatar
Paul Wilkins committed
382
  MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
383
384
  int mb_mode = mi->mbmi.mode;
  int mb_mode_index = ctx->best_mode_index;
Adrian Grange's avatar
Adrian Grange committed
385
386

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
387
388
389
  assert(mb_mode < MB_MODE_COUNT);
  assert(mb_mode_index < MAX_MODES);
  assert(mi->mbmi.ref_frame < MAX_REF_FRAMES);
Adrian Grange's avatar
Adrian Grange committed
390
391
#endif

John Koleszar's avatar
John Koleszar committed
392
393
394
  // Restore the coding context of the MB to that that was in place
  // when the mode was picked for it
  vpx_memcpy(xd->mode_info_context, mi, sizeof(MODE_INFO));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
395
396
#if CONFIG_SUPERBLOCKS
  if (mi->mbmi.encoded_as_sb) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
397
398
399
400
401
402
403
404
    const int mis = cpi->common.mode_info_stride;
    if (xd->mb_to_right_edge > 0)
      vpx_memcpy(xd->mode_info_context + 1, mi, sizeof(MODE_INFO));
    if (xd->mb_to_bottom_edge > 0) {
      vpx_memcpy(xd->mode_info_context + mis, mi, sizeof(MODE_INFO));
      if (xd->mb_to_right_edge > 0)
        vpx_memcpy(xd->mode_info_context + mis + 1, mi, sizeof(MODE_INFO));
    }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
405
406
  }
#endif
Adrian Grange's avatar
Adrian Grange committed
407

John Koleszar's avatar
John Koleszar committed
408
409
410
411
  if (mb_mode == B_PRED) {
    for (i = 0; i < 16; i++) {
      xd->block[i].bmi.as_mode = xd->mode_info_context->bmi[i].as_mode;
      assert(xd->block[i].bmi.as_mode.first < MB_MODE_COUNT);
Adrian Grange's avatar
Adrian Grange committed
412
    }
John Koleszar's avatar
John Koleszar committed
413
414
415
  } else if (mb_mode == I8X8_PRED) {
    for (i = 0; i < 16; i++) {
      xd->block[i].bmi = xd->mode_info_context->bmi[i];
Adrian Grange's avatar
Adrian Grange committed
416
    }
John Koleszar's avatar
John Koleszar committed
417
418
419
420
  } else if (mb_mode == SPLITMV) {
    vpx_memcpy(x->partition_info, &ctx->partition_info,
               sizeof(PARTITION_INFO));

421
422
    mbmi->mv[0].as_int = x->partition_info->bmi[15].mv.as_int;
    mbmi->mv[1].as_int = x->partition_info->bmi[15].second_mv.as_int;
John Koleszar's avatar
John Koleszar committed
423
424
  }

425
426
  {
    int segment_id = mbmi->segment_id;
427
428
    if (!vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
        vp9_get_segdata(xd, segment_id, SEG_LVL_EOB)) {
429
430
431
432
433
434
      for (i = 0; i < NB_TXFM_MODES; i++) {
        cpi->rd_tx_select_diff[i] += ctx->txfm_rd_diff[i];
      }
    }
  }

John Koleszar's avatar
John Koleszar committed
435
436
437
438
439
440
441
442
443
  if (cpi->common.frame_type == KEY_FRAME) {
    // Restore the coding modes to that held in the coding context
    // if (mb_mode == B_PRED)
    //    for (i = 0; i < 16; i++)
    //    {
    //        xd->block[i].bmi.as_mode =
    //                          xd->mode_info_context->bmi[i].as_mode;
    //        assert(xd->mode_info_context->bmi[i].as_mode < MB_MODE_COUNT);
    //    }
444
#if CONFIG_INTERNAL_STATS
John Koleszar's avatar
John Koleszar committed
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
    static const int kf_mode_index[] = {
      THR_DC /*DC_PRED*/,
      THR_V_PRED /*V_PRED*/,
      THR_H_PRED /*H_PRED*/,
      THR_D45_PRED /*D45_PRED*/,
      THR_D135_PRED /*D135_PRED*/,
      THR_D117_PRED /*D117_PRED*/,
      THR_D153_PRED /*D153_PRED*/,
      THR_D27_PRED /*D27_PRED*/,
      THR_D63_PRED /*D63_PRED*/,
      THR_TM /*TM_PRED*/,
      THR_I8X8_PRED /*I8X8_PRED*/,
      THR_B_PRED /*B_PRED*/,
    };
    cpi->mode_chosen_counts[kf_mode_index[mb_mode]]++;
460
#endif
John Koleszar's avatar
John Koleszar committed
461
462
463
464
465
466
467
  } else {
    /*
            // Reduce the activation RD thresholds for the best choice mode
            if ((cpi->rd_baseline_thresh[mb_mode_index] > 0) &&
                (cpi->rd_baseline_thresh[mb_mode_index] < (INT_MAX >> 2)))
            {
                int best_adjustment = (cpi->rd_thresh_mult[mb_mode_index] >> 2);
Adrian Grange's avatar
Adrian Grange committed
468

John Koleszar's avatar
John Koleszar committed
469
470
471
472
473
474
475
476
                cpi->rd_thresh_mult[mb_mode_index] =
                        (cpi->rd_thresh_mult[mb_mode_index]
                         >= (MIN_THRESHMULT + best_adjustment)) ?
                                cpi->rd_thresh_mult[mb_mode_index] - best_adjustment :
                                MIN_THRESHMULT;
                cpi->rd_threshes[mb_mode_index] =
                        (cpi->rd_baseline_thresh[mb_mode_index] >> 7)
                        * cpi->rd_thresh_mult[mb_mode_index];
Adrian Grange's avatar
Adrian Grange committed
477

John Koleszar's avatar
John Koleszar committed
478
479
480
481
            }
    */
    // Note how often each mode chosen as best
    cpi->mode_chosen_counts[mb_mode_index]++;
Adrian Grange's avatar
Adrian Grange committed
482

John Koleszar's avatar
John Koleszar committed
483
484
    cpi->prediction_error += ctx->distortion;
    cpi->intra_error += ctx->intra_error;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
485
486
487
488

    cpi->rd_comp_pred_diff[0] += ctx->single_pred_diff;
    cpi->rd_comp_pred_diff[1] += ctx->comp_pred_diff;
    cpi->rd_comp_pred_diff[2] += ctx->hybrid_pred_diff;
John Koleszar's avatar
John Koleszar committed
489
  }
Adrian Grange's avatar
Adrian Grange committed
490
491
}

492
493
static void pick_mb_modes(VP9_COMP *cpi,
                          VP9_COMMON *cm,
John Koleszar's avatar
John Koleszar committed
494
495
496
497
498
                          int mb_row,
                          int mb_col,
                          MACROBLOCK  *x,
                          MACROBLOCKD *xd,
                          TOKENEXTRA **tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
499
500
                          int *totalrate,
                          int *totaldist) {
John Koleszar's avatar
John Koleszar committed
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
  int i;
  int map_index;
  int recon_yoffset, recon_uvoffset;
  int ref_fb_idx = cm->lst_fb_idx;
  int dst_fb_idx = cm->new_fb_idx;
  int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
  int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
  ENTROPY_CONTEXT_PLANES left_context[2];
  ENTROPY_CONTEXT_PLANES above_context[2];
  ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
                                                      + mb_col;

  // Offsets to move pointers from MB to MB within a SB in raster order
  int row_delta[4] = { 0, +1,  0, -1};
  int col_delta[4] = { +1, -1, +1, +1};

  /* Function should not modify L & A contexts; save and restore on exit */
  vpx_memcpy(left_context,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
519
             cm->left_context,
John Koleszar's avatar
John Koleszar committed
520
521
522
523
524
525
526
527
528
529
530
             sizeof(left_context));
  vpx_memcpy(above_context,
             initial_above_context_ptr,
             sizeof(above_context));

  /* Encode MBs in raster order within the SB */
  for (i = 0; i < 4; i++) {
    int dy = row_delta[i];
    int dx = col_delta[i];
    int offset_unextended = dy * cm->mb_cols + dx;
    int offset_extended   = dy * xd->mode_info_stride + dx;
Paul Wilkins's avatar
Paul Wilkins committed
531
    MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548

    // TODO Many of the index items here can be computed more efficiently!

    if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
      // MB lies outside frame, move on
      mb_row += dy;
      mb_col += dx;

      // Update pointers
      x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
      x->src.u_buffer += 8  * (dx + dy * x->src.uv_stride);
      x->src.v_buffer += 8  * (dx + dy * x->src.uv_stride);

      x->gf_active_ptr += offset_unextended;
      x->partition_info += offset_extended;
      xd->mode_info_context += offset_extended;
      xd->prev_mode_info_context += offset_extended;
Adrian Grange's avatar
Adrian Grange committed
549
#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
550
551
      assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
             (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
552
#endif
John Koleszar's avatar
John Koleszar committed
553
554
      continue;
    }
555

John Koleszar's avatar
John Koleszar committed
556
557
558
559
560
561
562
563
564
565
566
    // Index of the MB in the SB 0..3
    xd->mb_index = i;

    map_index = (mb_row * cpi->common.mb_cols) + mb_col;
    x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

    // set above context pointer
    xd->above_context = cm->above_context + mb_col;

    // Restore the appropriate left context depending on which
    // row in the SB the MB is situated
Ronald S. Bultje's avatar
Ronald S. Bultje committed
567
    xd->left_context = cm->left_context + (i >> 1);
John Koleszar's avatar
John Koleszar committed
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

    // Set up distance of MB to edge of frame in 1/8th pel units
    xd->mb_to_top_edge    = -((mb_row * 16) << 3);
    xd->mb_to_left_edge   = -((mb_col * 16) << 3);
    xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
    xd->mb_to_right_edge  = ((cm->mb_cols - 1 - mb_col) * 16) << 3;

    // Set up limit values for MV components to prevent them from
    // extending beyond the UMV borders assuming 16x16 block size
    x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
    x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
    x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
                     (VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
    x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
                     (VP8BORDERINPIXELS - 16 - INTERP_EXTEND));

    xd->up_available   = (mb_row != 0);
    xd->left_available = (mb_col != 0);

    recon_yoffset  = (mb_row * recon_y_stride * 16) + (mb_col * 16);
    recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col *  8);

    xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
    xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
    xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;

    // Copy current MB to a work buffer
595
    vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
John Koleszar's avatar
John Koleszar committed
596
597
598
599
600

    x->rddiv = cpi->RDDIV;
    x->rdmult = cpi->RDMULT;

    if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
601
      vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
602
603
604
605

    // Is segmentation enabled
    if (xd->segmentation_enabled) {
      // Code to set segment id in xd->mbmi.segment_id
Ronald S. Bultje's avatar
Ronald S. Bultje committed
606
      if (xd->update_mb_segmentation_map)
Paul Wilkins's avatar
Paul Wilkins committed
607
        mbmi->segment_id = cpi->segmentation_map[map_index];
John Koleszar's avatar
John Koleszar committed
608
      else
Ronald S. Bultje's avatar
Ronald S. Bultje committed
609
610
        mbmi->segment_id = cm->last_frame_seg_map[map_index];
      if (mbmi->segment_id > 3)
Paul Wilkins's avatar
Paul Wilkins committed
611
        mbmi->segment_id = 0;
John Koleszar's avatar
John Koleszar committed
612

613
      vp9_mb_init_quantizer(cpi, x);
John Koleszar's avatar
John Koleszar committed
614
615
    } else
      // Set to Segment 0 by default
Paul Wilkins's avatar
Paul Wilkins committed
616
      mbmi->segment_id = 0;
John Koleszar's avatar
John Koleszar committed
617
618
619

    x->active_ptr = cpi->active_map + map_index;

Ronald S. Bultje's avatar
Ronald S. Bultje committed
620
621
622
623
#if CONFIG_SUPERBLOCKS
    xd->mode_info_context->mbmi.encoded_as_sb = 0;
#endif

John Koleszar's avatar
John Koleszar committed
624
625
    cpi->update_context = 0;    // TODO Do we need this now??

626
    vp9_intra_prediction_down_copy(xd);
627

John Koleszar's avatar
John Koleszar committed
628
629
630
    // Find best coding mode & reconstruct the MB so it is available
    // as a predictor for MBs that follow in the SB
    if (cm->frame_type == KEY_FRAME) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
631
      int r, d;
632
      vp9_rd_pick_intra_mode(cpi, x, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
633
634
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
635
636

      // Dummy encode, do not do the tokenization
637
      vp9_encode_intra_macro_block(cpi, x, tp, 0);
John Koleszar's avatar
John Koleszar committed
638
      // Note the encoder may have changed the segment_id
Ronald S. Bultje's avatar
Ronald S. Bultje committed
639
640
641
642

      // Save the coding context
      vpx_memcpy(&x->mb_context[i].mic, xd->mode_info_context,
                 sizeof(MODE_INFO));
John Koleszar's avatar
John Koleszar committed
643
    } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
644
      int seg_id, r, d;
John Koleszar's avatar
John Koleszar committed
645
646

      if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
647
648
649
650
651
652
          !vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
          vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
          vp9_check_segref(xd, 1, INTRA_FRAME)  +
          vp9_check_segref(xd, 1, LAST_FRAME)   +
          vp9_check_segref(xd, 1, GOLDEN_FRAME) +
          vp9_check_segref(xd, 1, ALTREF_FRAME) == 1) {
John Koleszar's avatar
John Koleszar committed
653
654
655
656
657
        cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
      } else {
        cpi->seg0_progress = (((mb_col & ~1) * 2 + (mb_row & ~1) * cm->mb_cols + i) << 16) / cm->MBs;
      }

658
659
      vp9_pick_mode_inter_macroblock(cpi, x, recon_yoffset,
                                     recon_uvoffset, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
660
661
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
662
663

      // Dummy encode, do not do the tokenization
664
665
      vp9_encode_inter_macroblock(cpi, x, tp,
                                  recon_yoffset, recon_uvoffset, 0);
John Koleszar's avatar
John Koleszar committed
666

Paul Wilkins's avatar
Paul Wilkins committed
667
      seg_id = mbmi->segment_id;
John Koleszar's avatar
John Koleszar committed
668
669
670
671
      if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
        cpi->seg0_idx++;
      }
      if (!xd->segmentation_enabled ||
672
673
674
675
676
          !vp9_segfeature_active(xd, seg_id, SEG_LVL_REF_FRAME) ||
          vp9_check_segref(xd, seg_id, INTRA_FRAME)  +
          vp9_check_segref(xd, seg_id, LAST_FRAME)   +
          vp9_check_segref(xd, seg_id, GOLDEN_FRAME) +
          vp9_check_segref(xd, seg_id, ALTREF_FRAME) > 1) {
John Koleszar's avatar
John Koleszar committed
677
        // Get the prediction context and status
Paul Wilkins's avatar
Paul Wilkins committed
678
679
        int pred_flag = vp9_get_pred_flag(xd, PRED_REF);
        int pred_context = vp9_get_pred_context(cm, xd, PRED_REF);
John Koleszar's avatar
John Koleszar committed
680
681
682
683
684

        // Count prediction success
        cpi->ref_pred_count[pred_context][pred_flag]++;
      }
    }
Adrian Grange's avatar
Adrian Grange committed
685

John Koleszar's avatar
John Koleszar committed
686
687
688
    // Next MB
    mb_row += dy;
    mb_col += dx;
Adrian Grange's avatar
Adrian Grange committed
689

John Koleszar's avatar
John Koleszar committed
690
691
692
    x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
    x->src.u_buffer += 8  * (dx + dy * x->src.uv_stride);
    x->src.v_buffer += 8  * (dx + dy * x->src.uv_stride);
Adrian Grange's avatar
Adrian Grange committed
693

John Koleszar's avatar
John Koleszar committed
694
695
696
697
    x->gf_active_ptr += offset_unextended;
    x->partition_info += offset_extended;
    xd->mode_info_context += offset_extended;
    xd->prev_mode_info_context += offset_extended;
Adrian Grange's avatar
Adrian Grange committed
698
699

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
700
701
    assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
           (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
702
#endif
John Koleszar's avatar
John Koleszar committed
703
704
705
  }

  /* Restore L & A coding context to those in place on entry */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
706
  vpx_memcpy(cm->left_context,
John Koleszar's avatar
John Koleszar committed
707
708
709
710
711
             left_context,
             sizeof(left_context));
  vpx_memcpy(initial_above_context_ptr,
             above_context,
             sizeof(above_context));
Adrian Grange's avatar
Adrian Grange committed
712
713
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
714
#if CONFIG_SUPERBLOCKS
715
716
static void pick_sb_modes (VP9_COMP *cpi,
                           VP9_COMMON *cm,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
                           int mb_row,
                           int mb_col,
                           MACROBLOCK  *x,
                           MACROBLOCKD *xd,
                           TOKENEXTRA **tp,
                           int *totalrate,
                           int *totaldist)
{
  int map_index;
  int recon_yoffset, recon_uvoffset;
  int ref_fb_idx = cm->lst_fb_idx;
  int dst_fb_idx = cm->new_fb_idx;
  int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
  int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
  ENTROPY_CONTEXT_PLANES left_context[2];
  ENTROPY_CONTEXT_PLANES above_context[2];
  ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
    + mb_col;

  /* Function should not modify L & A contexts; save and restore on exit */
  vpx_memcpy (left_context,
              cm->left_context,
              sizeof(left_context));
  vpx_memcpy (above_context,
              initial_above_context_ptr,
              sizeof(above_context));

  map_index = (mb_row * cpi->common.mb_cols) + mb_col;
  x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

  /* set above context pointer */
  xd->above_context = cm->above_context + mb_col;

  /* Restore the appropriate left context depending on which
   * row in the SB the MB is situated */
  xd->left_context = cm->left_context;

  // Set up distance of MB to edge of frame in 1/8th pel units
  xd->mb_to_top_edge    = -((mb_row * 16) << 3);
  xd->mb_to_left_edge   = -((mb_col * 16) << 3);
  xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
  xd->mb_to_right_edge  = ((cm->mb_cols - 1 - mb_col) * 16) << 3;

  /* Set up limit values for MV components to prevent them from
   * extending beyond the UMV borders assuming 16x16 block size */
  x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
  x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
  x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
                   (VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
  x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
                   (VP8BORDERINPIXELS - 32 - INTERP_EXTEND));

  xd->up_available   = (mb_row != 0);
  xd->left_available = (mb_col != 0);

  recon_yoffset  = (mb_row * recon_y_stride * 16) + (mb_col * 16);
  recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col *  8);

  xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
  xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
  xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
#if 0 // FIXME
  /* Copy current MB to a work buffer */
780
  vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
781
782
783
784
#endif
  x->rddiv = cpi->RDDIV;
  x->rdmult = cpi->RDMULT;
  if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
785
    vp9_activity_masking(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
  /* Is segmentation enabled */
  if (xd->segmentation_enabled)
  {
    /* Code to set segment id in xd->mbmi.segment_id */
    if (xd->update_mb_segmentation_map)
      xd->mode_info_context->mbmi.segment_id =
            cpi->segmentation_map[map_index] &&
            cpi->segmentation_map[map_index + 1] &&
            cpi->segmentation_map[map_index + cm->mb_cols] &&
            cpi->segmentation_map[map_index + cm->mb_cols + 1];
    else
      xd->mode_info_context->mbmi.segment_id =
            cm->last_frame_seg_map[map_index] &&
            cm->last_frame_seg_map[map_index + 1] &&
            cm->last_frame_seg_map[map_index + cm->mb_cols] &&
            cm->last_frame_seg_map[map_index + cm->mb_cols + 1];
    if (xd->mode_info_context->mbmi.segment_id > 3)
      xd->mode_info_context->mbmi.segment_id = 0;

805
    vp9_mb_init_quantizer(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
806
807
808
809
810
811
812
813
814
815
816
817
818
  }
  else
    /* Set to Segment 0 by default */
    xd->mode_info_context->mbmi.segment_id = 0;

  x->active_ptr = cpi->active_map + map_index;
  
  cpi->update_context = 0;    // TODO Do we need this now??

  /* Find best coding mode & reconstruct the MB so it is available
   * as a predictor for MBs that follow in the SB */
  if (cm->frame_type == KEY_FRAME)
  {
819
    vp9_rd_pick_intra_mode_sb(cpi, x,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
820
821
822
823
824
825
                              totalrate,
                              totaldist);

    /* Save the coding context */
    vpx_memcpy(&x->sb_context[0].mic, xd->mode_info_context,
               sizeof(MODE_INFO));
826
  } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
827
    if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
828
829
830
831
832
833
        !vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
        vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
        vp9_check_segref(xd, 1, INTRA_FRAME)  +
        vp9_check_segref(xd, 1, LAST_FRAME)   +
        vp9_check_segref(xd, 1, GOLDEN_FRAME) +
        vp9_check_segref(xd, 1, ALTREF_FRAME) == 1) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
834
      cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
835
    } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
836
837
838
839
      cpi->seg0_progress =
        (((mb_col & ~1) * 2 + (mb_row & ~1) * cm->mb_cols) << 16) / cm->MBs;
    }

840
    vp9_rd_pick_inter_mode_sb(cpi, x,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
                              recon_yoffset,
                              recon_uvoffset,
                              totalrate,
                              totaldist);
  }

  /* Restore L & A coding context to those in place on entry */
  vpx_memcpy (cm->left_context,
              left_context,
              sizeof(left_context));
  vpx_memcpy (initial_above_context_ptr,
              above_context,
              sizeof(above_context));
}
#endif

857
858
static void encode_sb(VP9_COMP *cpi,
                      VP9_COMMON *cm,
John Koleszar's avatar
John Koleszar committed
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
                      int mbrow,
                      int mbcol,
                      MACROBLOCK  *x,
                      MACROBLOCKD *xd,
                      TOKENEXTRA **tp) {
  int i;
  int map_index;
  int mb_row, mb_col;
  int recon_yoffset, recon_uvoffset;
  int ref_fb_idx = cm->lst_fb_idx;
  int dst_fb_idx = cm->new_fb_idx;
  int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
  int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
  int row_delta[4] = { 0, +1,  0, -1};
  int col_delta[4] = { +1, -1, +1, +1};

  mb_row = mbrow;
  mb_col = mbcol;

  /* Encode MBs in raster order within the SB */
  for (i = 0; i < 4; i++) {
    int dy = row_delta[i];
    int dx = col_delta[i];
    int offset_extended   = dy * xd->mode_info_stride + dx;
    int offset_unextended = dy * cm->mb_cols + dx;
Paul Wilkins's avatar
Paul Wilkins committed
884
    MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
885
886
887
888
889
890
891
892
893
894
895
896
897
898

    if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
      // MB lies outside frame, move on
      mb_row += dy;
      mb_col += dx;

      x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
      x->src.u_buffer += 8  * (dx + dy * x->src.uv_stride);
      x->src.v_buffer += 8  * (dx + dy * x->src.uv_stride);

      x->gf_active_ptr      += offset_unextended;
      x->partition_info     += offset_extended;
      xd->mode_info_context += offset_extended;
      xd->prev_mode_info_context += offset_extended;
Adrian Grange's avatar
Adrian Grange committed
899
900

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
901
902
      assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
             (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
903
#endif
John Koleszar's avatar
John Koleszar committed
904
905
      continue;
    }
Adrian Grange's avatar
Adrian Grange committed
906

John Koleszar's avatar
John Koleszar committed
907
    xd->mb_index = i;
Adrian Grange's avatar
Adrian Grange committed
908

909
#ifdef ENC_DEBUG
John Koleszar's avatar
John Koleszar committed
910
911
912
913
    enc_debug = (cpi->common.current_video_frame == 0 &&
                 mb_row == 0 && mb_col == 0);
    mb_col_debug = mb_col;
    mb_row_debug = mb_row;
914
#endif
Adrian Grange's avatar
Adrian Grange committed
915

John Koleszar's avatar
John Koleszar committed
916
    // Restore MB state to that when it was picked
Adrian Grange's avatar
Adrian Grange committed
917
#if CONFIG_SUPERBLOCKS
Ronald S. Bultje's avatar
Ronald S. Bultje committed
918
    if (xd->mode_info_context->mbmi.encoded_as_sb) {
John Koleszar's avatar
John Koleszar committed
919
      update_state(cpi, x, &x->sb_context[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
920
921
      cpi->sb_count++;
    } else
Adrian Grange's avatar
Adrian Grange committed
922
#endif
John Koleszar's avatar
John Koleszar committed
923
924
925
926
927
928
929
      update_state(cpi, x, &x->mb_context[i]);

    map_index = (mb_row * cpi->common.mb_cols) + mb_col;
    x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

    // reset above block coeffs
    xd->above_context = cm->above_context + mb_col;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
930
    xd->left_context  = cm->left_context + (i >> 1);
John Koleszar's avatar
John Koleszar committed
931
932
933
934
935
936
937

    // Set up distance of MB to edge of the frame in 1/8th pel units
    xd->mb_to_top_edge    = -((mb_row * 16) << 3);
    xd->mb_to_left_edge   = -((mb_col * 16) << 3);
    xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
    xd->mb_to_right_edge  = ((cm->mb_cols - 1 - mb_col) * 16) << 3;

Adrian Grange's avatar
Adrian Grange committed
938
#if CONFIG_SUPERBLOCKS
Ronald S. Bultje's avatar
Ronald S. Bultje committed
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
    if (xd->mode_info_context->mbmi.encoded_as_sb) {
      // Set up limit values for MV components to prevent them from
      // extending beyond the UMV borders assuming 32x32 block size
      x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
      x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
      x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
                       (VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
      x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
                       (VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
    } else {
#endif
      // Set up limit values for MV components to prevent them from
      // extending beyond the UMV borders assuming 16x16 block size
      x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
      x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
      x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
                       (VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
      x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
                       (VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
#if CONFIG_SUPERBLOCKS
    }
Adrian Grange's avatar
Adrian Grange committed
960
961
#endif

John Koleszar's avatar
John Koleszar committed
962
963
    xd->up_available = (mb_row != 0);
    xd->left_available = (mb_col != 0);
Adrian Grange's avatar
Adrian Grange committed
964

John Koleszar's avatar
John Koleszar committed
965
966
    recon_yoffset = (mb_row * recon_y_stride * 16) + (mb_col * 16);
    recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col * 8);
Adrian Grange's avatar
Adrian Grange committed
967

John Koleszar's avatar
John Koleszar committed
968
969
970
    xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
    xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
    xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
John Koleszar's avatar
John Koleszar committed
971

John Koleszar's avatar
John Koleszar committed
972
    // Copy current MB to a work buffer
973
    vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
974

John Koleszar's avatar
John Koleszar committed
975
    if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
976
      vp9_activity_masking(cpi, x);
977

John Koleszar's avatar
John Koleszar committed
978
979
    // Is segmentation enabled
    if (xd->segmentation_enabled) {
980
      vp9_mb_init_quantizer(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
981
    }
John Koleszar's avatar
John Koleszar committed
982

John Koleszar's avatar
John Koleszar committed
983
    x->active_ptr = cpi->active_map + map_index;
984

John Koleszar's avatar
John Koleszar committed
985
986
    cpi->update_context = 0;

987
988
989
#if CONFIG_SUPERBLOCKS
    if (!xd->mode_info_context->mbmi.encoded_as_sb)
#endif
990
      vp9_intra_prediction_down_copy(xd);
991

John Koleszar's avatar
John Koleszar committed
992
    if (cm->frame_type == KEY_FRAME) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
993
994
#if CONFIG_SUPERBLOCKS
      if (xd->mode_info_context->mbmi.encoded_as_sb)
995
        vp9_encode_intra_super_block(cpi, x, tp, mb_col);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
996
997
      else
#endif
998
        vp9_encode_intra_macro_block(cpi, x, tp, 1);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
999
        // Note the encoder may have changed the segment_id
1000

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