Line data Source code
1 : /*
2 : * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 : *
4 : * Use of this source code is governed by a BSD-style license
5 : * that can be found in the LICENSE file in the root of the source
6 : * 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.
9 : */
10 :
11 : #include "vpx_config.h"
12 : #include "vp8_rtcd.h"
13 : #include "./vpx_dsp_rtcd.h"
14 : #include "encodemb.h"
15 : #include "encodemv.h"
16 : #include "vp8/common/common.h"
17 : #include "onyx_int.h"
18 : #include "vp8/common/extend.h"
19 : #include "vp8/common/entropymode.h"
20 : #include "vp8/common/quant_common.h"
21 : #include "segmentation.h"
22 : #include "vp8/common/setupintrarecon.h"
23 : #include "encodeintra.h"
24 : #include "vp8/common/reconinter.h"
25 : #include "rdopt.h"
26 : #include "pickinter.h"
27 : #include "vp8/common/findnearmv.h"
28 : #include <stdio.h>
29 : #include <limits.h>
30 : #include "vp8/common/invtrans.h"
31 : #include "vpx_ports/vpx_timer.h"
32 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
33 : #include "bitstream.h"
34 : #endif
35 : #include "encodeframe.h"
36 :
37 : extern void vp8_stuff_mb(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);
38 : extern void vp8_calc_ref_frame_costs(int *ref_frame_cost, int prob_intra,
39 : int prob_last, int prob_garf);
40 : extern void vp8_convert_rfct_to_prob(VP8_COMP *const cpi);
41 : extern void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex);
42 : extern void vp8_auto_select_speed(VP8_COMP *cpi);
43 : extern void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x,
44 : MB_ROW_COMP *mbr_ei, int count);
45 : static void adjust_act_zbin(VP8_COMP *cpi, MACROBLOCK *x);
46 :
47 : #ifdef MODE_STATS
48 : unsigned int inter_y_modes[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
49 : unsigned int inter_uv_modes[4] = { 0, 0, 0, 0 };
50 : unsigned int inter_b_modes[15] = {
51 : 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
52 : };
53 : unsigned int y_modes[5] = { 0, 0, 0, 0, 0 };
54 : unsigned int uv_modes[4] = { 0, 0, 0, 0 };
55 : unsigned int b_modes[14] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
56 : #endif
57 :
58 : /* activity_avg must be positive, or flat regions could get a zero weight
59 : * (infinite lambda), which confounds analysis.
60 : * This also avoids the need for divide by zero checks in
61 : * vp8_activity_masking().
62 : */
63 : #define VP8_ACTIVITY_AVG_MIN (64)
64 :
65 : /* This is used as a reference when computing the source variance for the
66 : * purposes of activity masking.
67 : * Eventually this should be replaced by custom no-reference routines,
68 : * which will be faster.
69 : */
70 : static const unsigned char VP8_VAR_OFFS[16] = {
71 : 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
72 : };
73 :
74 : /* Original activity measure from Tim T's code. */
75 0 : static unsigned int tt_activity_measure(VP8_COMP *cpi, MACROBLOCK *x) {
76 : unsigned int act;
77 : unsigned int sse;
78 : (void)cpi;
79 : /* TODO: This could also be done over smaller areas (8x8), but that would
80 : * require extensive changes elsewhere, as lambda is assumed to be fixed
81 : * over an entire MB in most of the code.
82 : * Another option is to compute four 8x8 variances, and pick a single
83 : * lambda using a non-linear combination (e.g., the smallest, or second
84 : * smallest, etc.).
85 : */
86 0 : act = vpx_variance16x16(x->src.y_buffer, x->src.y_stride, VP8_VAR_OFFS, 0,
87 : &sse);
88 0 : act = act << 4;
89 :
90 : /* If the region is flat, lower the activity some more. */
91 0 : if (act < 8 << 12) act = act < 5 << 12 ? act : 5 << 12;
92 :
93 0 : return act;
94 : }
95 :
96 : /* Stub for alternative experimental activity measures. */
97 0 : static unsigned int alt_activity_measure(VP8_COMP *cpi, MACROBLOCK *x,
98 : int use_dc_pred) {
99 0 : return vp8_encode_intra(cpi, x, use_dc_pred);
100 : }
101 :
102 : /* Measure the activity of the current macroblock
103 : * What we measure here is TBD so abstracted to this function
104 : */
105 : #define ALT_ACT_MEASURE 1
106 0 : static unsigned int mb_activity_measure(VP8_COMP *cpi, MACROBLOCK *x,
107 : int mb_row, int mb_col) {
108 : unsigned int mb_activity;
109 :
110 : if (ALT_ACT_MEASURE) {
111 0 : int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
112 :
113 : /* Or use and alternative. */
114 0 : mb_activity = alt_activity_measure(cpi, x, use_dc_pred);
115 : } else {
116 : /* Original activity measure from Tim T's code. */
117 : mb_activity = tt_activity_measure(cpi, x);
118 : }
119 :
120 0 : if (mb_activity < VP8_ACTIVITY_AVG_MIN) mb_activity = VP8_ACTIVITY_AVG_MIN;
121 :
122 0 : return mb_activity;
123 : }
124 :
125 : /* Calculate an "average" mb activity value for the frame */
126 : #define ACT_MEDIAN 0
127 0 : static void calc_av_activity(VP8_COMP *cpi, int64_t activity_sum) {
128 : #if ACT_MEDIAN
129 : /* Find median: Simple n^2 algorithm for experimentation */
130 : {
131 : unsigned int median;
132 : unsigned int i, j;
133 : unsigned int *sortlist;
134 : unsigned int tmp;
135 :
136 : /* Create a list to sort to */
137 : CHECK_MEM_ERROR(sortlist,
138 : vpx_calloc(sizeof(unsigned int), cpi->common.MBs));
139 :
140 : /* Copy map to sort list */
141 : memcpy(sortlist, cpi->mb_activity_map,
142 : sizeof(unsigned int) * cpi->common.MBs);
143 :
144 : /* Ripple each value down to its correct position */
145 : for (i = 1; i < cpi->common.MBs; ++i) {
146 : for (j = i; j > 0; j--) {
147 : if (sortlist[j] < sortlist[j - 1]) {
148 : /* Swap values */
149 : tmp = sortlist[j - 1];
150 : sortlist[j - 1] = sortlist[j];
151 : sortlist[j] = tmp;
152 : } else
153 : break;
154 : }
155 : }
156 :
157 : /* Even number MBs so estimate median as mean of two either side. */
158 : median = (1 + sortlist[cpi->common.MBs >> 1] +
159 : sortlist[(cpi->common.MBs >> 1) + 1]) >>
160 : 1;
161 :
162 : cpi->activity_avg = median;
163 :
164 : vpx_free(sortlist);
165 : }
166 : #else
167 : /* Simple mean for now */
168 0 : cpi->activity_avg = (unsigned int)(activity_sum / cpi->common.MBs);
169 : #endif
170 :
171 0 : if (cpi->activity_avg < VP8_ACTIVITY_AVG_MIN) {
172 0 : cpi->activity_avg = VP8_ACTIVITY_AVG_MIN;
173 : }
174 :
175 : /* Experimental code: return fixed value normalized for several clips */
176 0 : if (ALT_ACT_MEASURE) cpi->activity_avg = 100000;
177 0 : }
178 :
179 : #define USE_ACT_INDEX 0
180 : #define OUTPUT_NORM_ACT_STATS 0
181 :
182 : #if USE_ACT_INDEX
183 : /* Calculate and activity index for each mb */
184 : static void calc_activity_index(VP8_COMP *cpi, MACROBLOCK *x) {
185 : VP8_COMMON *const cm = &cpi->common;
186 : int mb_row, mb_col;
187 :
188 : int64_t act;
189 : int64_t a;
190 : int64_t b;
191 :
192 : #if OUTPUT_NORM_ACT_STATS
193 : FILE *f = fopen("norm_act.stt", "a");
194 : fprintf(f, "\n%12d\n", cpi->activity_avg);
195 : #endif
196 :
197 : /* Reset pointers to start of activity map */
198 : x->mb_activity_ptr = cpi->mb_activity_map;
199 :
200 : /* Calculate normalized mb activity number. */
201 : for (mb_row = 0; mb_row < cm->mb_rows; ++mb_row) {
202 : /* for each macroblock col in image */
203 : for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {
204 : /* Read activity from the map */
205 : act = *(x->mb_activity_ptr);
206 :
207 : /* Calculate a normalized activity number */
208 : a = act + 4 * cpi->activity_avg;
209 : b = 4 * act + cpi->activity_avg;
210 :
211 : if (b >= a)
212 : *(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
213 : else
214 : *(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
215 :
216 : #if OUTPUT_NORM_ACT_STATS
217 : fprintf(f, " %6d", *(x->mb_activity_ptr));
218 : #endif
219 : /* Increment activity map pointers */
220 : x->mb_activity_ptr++;
221 : }
222 :
223 : #if OUTPUT_NORM_ACT_STATS
224 : fprintf(f, "\n");
225 : #endif
226 : }
227 :
228 : #if OUTPUT_NORM_ACT_STATS
229 : fclose(f);
230 : #endif
231 : }
232 : #endif
233 :
234 : /* Loop through all MBs. Note activity of each, average activity and
235 : * calculate a normalized activity for each
236 : */
237 0 : static void build_activity_map(VP8_COMP *cpi) {
238 0 : MACROBLOCK *const x = &cpi->mb;
239 0 : MACROBLOCKD *xd = &x->e_mbd;
240 0 : VP8_COMMON *const cm = &cpi->common;
241 :
242 : #if ALT_ACT_MEASURE
243 0 : YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
244 : int recon_yoffset;
245 0 : int recon_y_stride = new_yv12->y_stride;
246 : #endif
247 :
248 : int mb_row, mb_col;
249 : unsigned int mb_activity;
250 0 : int64_t activity_sum = 0;
251 :
252 : /* for each macroblock row in image */
253 0 : for (mb_row = 0; mb_row < cm->mb_rows; ++mb_row) {
254 : #if ALT_ACT_MEASURE
255 : /* reset above block coeffs */
256 0 : xd->up_available = (mb_row != 0);
257 0 : recon_yoffset = (mb_row * recon_y_stride * 16);
258 : #endif
259 : /* for each macroblock col in image */
260 0 : for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {
261 : #if ALT_ACT_MEASURE
262 0 : xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
263 0 : xd->left_available = (mb_col != 0);
264 0 : recon_yoffset += 16;
265 : #endif
266 : /* Copy current mb to a buffer */
267 0 : vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
268 :
269 : /* measure activity */
270 0 : mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
271 :
272 : /* Keep frame sum */
273 0 : activity_sum += mb_activity;
274 :
275 : /* Store MB level activity details. */
276 0 : *x->mb_activity_ptr = mb_activity;
277 :
278 : /* Increment activity map pointer */
279 0 : x->mb_activity_ptr++;
280 :
281 : /* adjust to the next column of source macroblocks */
282 0 : x->src.y_buffer += 16;
283 : }
284 :
285 : /* adjust to the next row of mbs */
286 0 : x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
287 :
288 : #if ALT_ACT_MEASURE
289 : /* extend the recon for intra prediction */
290 0 : vp8_extend_mb_row(new_yv12, xd->dst.y_buffer + 16, xd->dst.u_buffer + 8,
291 0 : xd->dst.v_buffer + 8);
292 : #endif
293 : }
294 :
295 : /* Calculate an "average" MB activity */
296 0 : calc_av_activity(cpi, activity_sum);
297 :
298 : #if USE_ACT_INDEX
299 : /* Calculate an activity index number of each mb */
300 : calc_activity_index(cpi, x);
301 : #endif
302 0 : }
303 :
304 : /* Macroblock activity masking */
305 0 : void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x) {
306 : #if USE_ACT_INDEX
307 : x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
308 : x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
309 : x->errorperbit += (x->errorperbit == 0);
310 : #else
311 : int64_t a;
312 : int64_t b;
313 0 : int64_t act = *(x->mb_activity_ptr);
314 :
315 : /* Apply the masking to the RD multiplier. */
316 0 : a = act + (2 * cpi->activity_avg);
317 0 : b = (2 * act) + cpi->activity_avg;
318 :
319 0 : x->rdmult = (unsigned int)(((int64_t)x->rdmult * b + (a >> 1)) / a);
320 0 : x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
321 0 : x->errorperbit += (x->errorperbit == 0);
322 : #endif
323 :
324 : /* Activity based Zbin adjustment */
325 0 : adjust_act_zbin(cpi, x);
326 0 : }
327 :
328 0 : static void encode_mb_row(VP8_COMP *cpi, VP8_COMMON *cm, int mb_row,
329 : MACROBLOCK *x, MACROBLOCKD *xd, TOKENEXTRA **tp,
330 : int *segment_counts, int *totalrate) {
331 : int recon_yoffset, recon_uvoffset;
332 : int mb_col;
333 0 : int ref_fb_idx = cm->lst_fb_idx;
334 0 : int dst_fb_idx = cm->new_fb_idx;
335 0 : int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
336 0 : int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
337 0 : int map_index = (mb_row * cpi->common.mb_cols);
338 :
339 : #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
340 : const int num_part = (1 << cm->multi_token_partition);
341 : TOKENEXTRA *tp_start = cpi->tok;
342 : vp8_writer *w;
343 : #endif
344 :
345 : #if CONFIG_MULTITHREAD
346 0 : const int nsync = cpi->mt_sync_range;
347 0 : const int rightmost_col = cm->mb_cols + nsync;
348 : const int *last_row_current_mb_col;
349 0 : int *current_mb_col = &cpi->mt_current_mb_col[mb_row];
350 :
351 0 : if ((cpi->b_multi_threaded != 0) && (mb_row != 0)) {
352 0 : last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
353 : } else {
354 0 : last_row_current_mb_col = &rightmost_col;
355 : }
356 : #endif
357 :
358 : #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
359 : if (num_part > 1)
360 : w = &cpi->bc[1 + (mb_row % num_part)];
361 : else
362 : w = &cpi->bc[1];
363 : #endif
364 :
365 : /* reset above block coeffs */
366 0 : xd->above_context = cm->above_context;
367 :
368 0 : xd->up_available = (mb_row != 0);
369 0 : recon_yoffset = (mb_row * recon_y_stride * 16);
370 0 : recon_uvoffset = (mb_row * recon_uv_stride * 8);
371 :
372 0 : cpi->tplist[mb_row].start = *tp;
373 : /* printf("Main mb_row = %d\n", mb_row); */
374 :
375 : /* Distance of Mb to the top & bottom edges, specified in 1/8th pel
376 : * units as they are always compared to values that are in 1/8th pel
377 : */
378 0 : xd->mb_to_top_edge = -((mb_row * 16) << 3);
379 0 : xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
380 :
381 : /* Set up limit values for vertical motion vector components
382 : * to prevent them extending beyond the UMV borders
383 : */
384 0 : x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
385 0 : x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
386 :
387 : /* Set the mb activity pointer to the start of the row. */
388 0 : x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
389 :
390 : /* for each macroblock col in image */
391 0 : for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {
392 : #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
393 : *tp = cpi->tok;
394 : #endif
395 : /* Distance of Mb to the left & right edges, specified in
396 : * 1/8th pel units as they are always compared to values
397 : * that are in 1/8th pel units
398 : */
399 0 : xd->mb_to_left_edge = -((mb_col * 16) << 3);
400 0 : xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
401 :
402 : /* Set up limit values for horizontal motion vector components
403 : * to prevent them extending beyond the UMV borders
404 : */
405 0 : x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
406 0 : x->mv_col_max =
407 0 : ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
408 :
409 0 : xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
410 0 : xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
411 0 : xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
412 0 : xd->left_available = (mb_col != 0);
413 :
414 0 : x->rddiv = cpi->RDDIV;
415 0 : x->rdmult = cpi->RDMULT;
416 :
417 : /* Copy current mb to a buffer */
418 0 : vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
419 :
420 : #if CONFIG_MULTITHREAD
421 0 : if (cpi->b_multi_threaded != 0) {
422 0 : if (((mb_col - 1) % nsync) == 0) {
423 0 : pthread_mutex_t *mutex = &cpi->pmutex[mb_row];
424 0 : protected_write(mutex, current_mb_col, mb_col - 1);
425 : }
426 :
427 0 : if (mb_row && !(mb_col & (nsync - 1))) {
428 0 : pthread_mutex_t *mutex = &cpi->pmutex[mb_row - 1];
429 0 : sync_read(mutex, mb_col, last_row_current_mb_col, nsync);
430 : }
431 : }
432 : #endif
433 :
434 0 : if (cpi->oxcf.tuning == VP8_TUNE_SSIM) vp8_activity_masking(cpi, x);
435 :
436 : /* Is segmentation enabled */
437 : /* MB level adjustment to quantizer */
438 0 : if (xd->segmentation_enabled) {
439 : /* Code to set segment id in xd->mbmi.segment_id for current MB
440 : * (with range checking)
441 : */
442 0 : if (cpi->segmentation_map[map_index + mb_col] <= 3) {
443 0 : xd->mode_info_context->mbmi.segment_id =
444 0 : cpi->segmentation_map[map_index + mb_col];
445 : } else {
446 0 : xd->mode_info_context->mbmi.segment_id = 0;
447 : }
448 :
449 0 : vp8cx_mb_init_quantizer(cpi, x, 1);
450 : } else {
451 : /* Set to Segment 0 by default */
452 0 : xd->mode_info_context->mbmi.segment_id = 0;
453 : }
454 :
455 0 : x->active_ptr = cpi->active_map + map_index + mb_col;
456 :
457 0 : if (cm->frame_type == KEY_FRAME) {
458 0 : *totalrate += vp8cx_encode_intra_macroblock(cpi, x, tp);
459 : #ifdef MODE_STATS
460 : y_modes[xd->mbmi.mode]++;
461 : #endif
462 : } else {
463 0 : *totalrate += vp8cx_encode_inter_macroblock(
464 : cpi, x, tp, recon_yoffset, recon_uvoffset, mb_row, mb_col);
465 :
466 : #ifdef MODE_STATS
467 : inter_y_modes[xd->mbmi.mode]++;
468 :
469 : if (xd->mbmi.mode == SPLITMV) {
470 : int b;
471 :
472 : for (b = 0; b < xd->mbmi.partition_count; ++b) {
473 : inter_b_modes[x->partition->bmi[b].mode]++;
474 : }
475 : }
476 :
477 : #endif
478 :
479 : // Keep track of how many (consecutive) times a block is coded
480 : // as ZEROMV_LASTREF, for base layer frames.
481 : // Reset to 0 if its coded as anything else.
482 0 : if (cpi->current_layer == 0) {
483 0 : if (xd->mode_info_context->mbmi.mode == ZEROMV &&
484 0 : xd->mode_info_context->mbmi.ref_frame == LAST_FRAME) {
485 : // Increment, check for wrap-around.
486 0 : if (cpi->consec_zero_last[map_index + mb_col] < 255) {
487 0 : cpi->consec_zero_last[map_index + mb_col] += 1;
488 : }
489 0 : if (cpi->consec_zero_last_mvbias[map_index + mb_col] < 255) {
490 0 : cpi->consec_zero_last_mvbias[map_index + mb_col] += 1;
491 : }
492 : } else {
493 0 : cpi->consec_zero_last[map_index + mb_col] = 0;
494 0 : cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;
495 : }
496 0 : if (x->zero_last_dot_suppress) {
497 0 : cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;
498 : }
499 : }
500 :
501 : /* Special case code for cyclic refresh
502 : * If cyclic update enabled then copy xd->mbmi.segment_id; (which
503 : * may have been updated based on mode during
504 : * vp8cx_encode_inter_macroblock()) back into the global
505 : * segmentation map
506 : */
507 0 : if ((cpi->current_layer == 0) &&
508 0 : (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)) {
509 0 : cpi->segmentation_map[map_index + mb_col] =
510 0 : xd->mode_info_context->mbmi.segment_id;
511 :
512 : /* If the block has been refreshed mark it as clean (the
513 : * magnitude of the -ve influences how long it will be before
514 : * we consider another refresh):
515 : * Else if it was coded (last frame 0,0) and has not already
516 : * been refreshed then mark it as a candidate for cleanup
517 : * next time (marked 0) else mark it as dirty (1).
518 : */
519 0 : if (xd->mode_info_context->mbmi.segment_id) {
520 0 : cpi->cyclic_refresh_map[map_index + mb_col] = -1;
521 0 : } else if ((xd->mode_info_context->mbmi.mode == ZEROMV) &&
522 0 : (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)) {
523 0 : if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) {
524 0 : cpi->cyclic_refresh_map[map_index + mb_col] = 0;
525 : }
526 : } else {
527 0 : cpi->cyclic_refresh_map[map_index + mb_col] = 1;
528 : }
529 : }
530 : }
531 :
532 0 : cpi->tplist[mb_row].stop = *tp;
533 :
534 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
535 : /* pack tokens for this MB */
536 : {
537 : int tok_count = *tp - tp_start;
538 : vp8_pack_tokens(w, tp_start, tok_count);
539 : }
540 : #endif
541 : /* Increment pointer into gf usage flags structure. */
542 0 : x->gf_active_ptr++;
543 :
544 : /* Increment the activity mask pointers. */
545 0 : x->mb_activity_ptr++;
546 :
547 : /* adjust to the next column of macroblocks */
548 0 : x->src.y_buffer += 16;
549 0 : x->src.u_buffer += 8;
550 0 : x->src.v_buffer += 8;
551 :
552 0 : recon_yoffset += 16;
553 0 : recon_uvoffset += 8;
554 :
555 : /* Keep track of segment usage */
556 0 : segment_counts[xd->mode_info_context->mbmi.segment_id]++;
557 :
558 : /* skip to next mb */
559 0 : xd->mode_info_context++;
560 0 : x->partition_info++;
561 0 : xd->above_context++;
562 : }
563 :
564 : /* extend the recon for intra prediction */
565 0 : vp8_extend_mb_row(&cm->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16,
566 0 : xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
567 :
568 : #if CONFIG_MULTITHREAD
569 0 : if (cpi->b_multi_threaded != 0) {
570 0 : protected_write(&cpi->pmutex[mb_row], current_mb_col, rightmost_col);
571 : }
572 : #endif
573 :
574 : /* this is to account for the border */
575 0 : xd->mode_info_context++;
576 0 : x->partition_info++;
577 0 : }
578 :
579 0 : static void init_encode_frame_mb_context(VP8_COMP *cpi) {
580 0 : MACROBLOCK *const x = &cpi->mb;
581 0 : VP8_COMMON *const cm = &cpi->common;
582 0 : MACROBLOCKD *const xd = &x->e_mbd;
583 :
584 : /* GF active flags data structure */
585 0 : x->gf_active_ptr = (signed char *)cpi->gf_active_flags;
586 :
587 : /* Activity map pointer */
588 0 : x->mb_activity_ptr = cpi->mb_activity_map;
589 :
590 0 : x->act_zbin_adj = 0;
591 :
592 0 : x->partition_info = x->pi;
593 :
594 0 : xd->mode_info_context = cm->mi;
595 0 : xd->mode_info_stride = cm->mode_info_stride;
596 :
597 0 : xd->frame_type = cm->frame_type;
598 :
599 : /* reset intra mode contexts */
600 0 : if (cm->frame_type == KEY_FRAME) vp8_init_mbmode_probs(cm);
601 :
602 : /* Copy data over into macro block data structures. */
603 0 : x->src = *cpi->Source;
604 0 : xd->pre = cm->yv12_fb[cm->lst_fb_idx];
605 0 : xd->dst = cm->yv12_fb[cm->new_fb_idx];
606 :
607 : /* set up frame for intra coded blocks */
608 0 : vp8_setup_intra_recon(&cm->yv12_fb[cm->new_fb_idx]);
609 :
610 0 : vp8_build_block_offsets(x);
611 :
612 0 : xd->mode_info_context->mbmi.mode = DC_PRED;
613 0 : xd->mode_info_context->mbmi.uv_mode = DC_PRED;
614 :
615 0 : xd->left_context = &cm->left_context;
616 :
617 0 : x->mvc = cm->fc.mvc;
618 :
619 0 : memset(cm->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) * cm->mb_cols);
620 :
621 : /* Special case treatment when GF and ARF are not sensible options
622 : * for reference
623 : */
624 0 : if (cpi->ref_frame_flags == VP8_LAST_FRAME) {
625 0 : vp8_calc_ref_frame_costs(x->ref_frame_cost, cpi->prob_intra_coded, 255,
626 : 128);
627 0 : } else if ((cpi->oxcf.number_of_layers > 1) &&
628 0 : (cpi->ref_frame_flags == VP8_GOLD_FRAME)) {
629 0 : vp8_calc_ref_frame_costs(x->ref_frame_cost, cpi->prob_intra_coded, 1, 255);
630 0 : } else if ((cpi->oxcf.number_of_layers > 1) &&
631 0 : (cpi->ref_frame_flags == VP8_ALTR_FRAME)) {
632 0 : vp8_calc_ref_frame_costs(x->ref_frame_cost, cpi->prob_intra_coded, 1, 1);
633 : } else {
634 0 : vp8_calc_ref_frame_costs(x->ref_frame_cost, cpi->prob_intra_coded,
635 : cpi->prob_last_coded, cpi->prob_gf_coded);
636 : }
637 :
638 0 : xd->fullpixel_mask = 0xffffffff;
639 0 : if (cm->full_pixel) xd->fullpixel_mask = 0xfffffff8;
640 :
641 0 : vp8_zero(x->coef_counts);
642 0 : vp8_zero(x->ymode_count);
643 0 : vp8_zero(x->uv_mode_count) x->prediction_error = 0;
644 0 : x->intra_error = 0;
645 0 : vp8_zero(x->count_mb_ref_frame_usage);
646 0 : }
647 :
648 : #if CONFIG_MULTITHREAD
649 0 : static void sum_coef_counts(MACROBLOCK *x, MACROBLOCK *x_thread) {
650 0 : int i = 0;
651 : do {
652 0 : int j = 0;
653 : do {
654 0 : int k = 0;
655 : do {
656 : /* at every context */
657 :
658 : /* calc probs and branch cts for this frame only */
659 0 : int t = 0; /* token/prob index */
660 :
661 : do {
662 0 : x->coef_counts[i][j][k][t] += x_thread->coef_counts[i][j][k][t];
663 0 : } while (++t < ENTROPY_NODES);
664 0 : } while (++k < PREV_COEF_CONTEXTS);
665 0 : } while (++j < COEF_BANDS);
666 0 : } while (++i < BLOCK_TYPES);
667 0 : }
668 : #endif // CONFIG_MULTITHREAD
669 :
670 0 : void vp8_encode_frame(VP8_COMP *cpi) {
671 : int mb_row;
672 0 : MACROBLOCK *const x = &cpi->mb;
673 0 : VP8_COMMON *const cm = &cpi->common;
674 0 : MACROBLOCKD *const xd = &x->e_mbd;
675 0 : TOKENEXTRA *tp = cpi->tok;
676 : int segment_counts[MAX_MB_SEGMENTS];
677 : int totalrate;
678 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
679 : BOOL_CODER *bc = &cpi->bc[1]; /* bc[0] is for control partition */
680 : const int num_part = (1 << cm->multi_token_partition);
681 : #endif
682 :
683 0 : memset(segment_counts, 0, sizeof(segment_counts));
684 0 : totalrate = 0;
685 :
686 0 : if (cpi->compressor_speed == 2) {
687 0 : if (cpi->oxcf.cpu_used < 0) {
688 0 : cpi->Speed = -(cpi->oxcf.cpu_used);
689 : } else {
690 0 : vp8_auto_select_speed(cpi);
691 : }
692 : }
693 :
694 : /* Functions setup for all frame types so we can use MC in AltRef */
695 0 : if (!cm->use_bilinear_mc_filter) {
696 0 : xd->subpixel_predict = vp8_sixtap_predict4x4;
697 0 : xd->subpixel_predict8x4 = vp8_sixtap_predict8x4;
698 0 : xd->subpixel_predict8x8 = vp8_sixtap_predict8x8;
699 0 : xd->subpixel_predict16x16 = vp8_sixtap_predict16x16;
700 : } else {
701 0 : xd->subpixel_predict = vp8_bilinear_predict4x4;
702 0 : xd->subpixel_predict8x4 = vp8_bilinear_predict8x4;
703 0 : xd->subpixel_predict8x8 = vp8_bilinear_predict8x8;
704 0 : xd->subpixel_predict16x16 = vp8_bilinear_predict16x16;
705 : }
706 :
707 0 : cpi->mb.skip_true_count = 0;
708 0 : cpi->tok_count = 0;
709 :
710 : #if 0
711 : /* Experimental code */
712 : cpi->frame_distortion = 0;
713 : cpi->last_mb_distortion = 0;
714 : #endif
715 :
716 0 : xd->mode_info_context = cm->mi;
717 :
718 0 : vp8_zero(cpi->mb.MVcount);
719 :
720 0 : vp8cx_frame_init_quantizer(cpi);
721 :
722 0 : vp8_initialize_rd_consts(cpi, x,
723 : vp8_dc_quant(cm->base_qindex, cm->y1dc_delta_q));
724 :
725 0 : vp8cx_initialize_me_consts(cpi, cm->base_qindex);
726 :
727 0 : if (cpi->oxcf.tuning == VP8_TUNE_SSIM) {
728 : /* Initialize encode frame context. */
729 0 : init_encode_frame_mb_context(cpi);
730 :
731 : /* Build a frame level activity map */
732 0 : build_activity_map(cpi);
733 : }
734 :
735 : /* re-init encode frame context. */
736 0 : init_encode_frame_mb_context(cpi);
737 :
738 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
739 : {
740 : int i;
741 : for (i = 0; i < num_part; ++i) {
742 : vp8_start_encode(&bc[i], cpi->partition_d[i + 1],
743 : cpi->partition_d_end[i + 1]);
744 : bc[i].error = &cm->error;
745 : }
746 : }
747 :
748 : #endif
749 :
750 : {
751 : struct vpx_usec_timer emr_timer;
752 0 : vpx_usec_timer_start(&emr_timer);
753 :
754 : #if CONFIG_MULTITHREAD
755 0 : if (cpi->b_multi_threaded) {
756 : int i;
757 :
758 0 : vp8cx_init_mbrthread_data(cpi, x, cpi->mb_row_ei,
759 : cpi->encoding_thread_count);
760 :
761 0 : for (i = 0; i < cm->mb_rows; ++i) cpi->mt_current_mb_col[i] = -1;
762 :
763 0 : for (i = 0; i < cpi->encoding_thread_count; ++i) {
764 0 : sem_post(&cpi->h_event_start_encoding[i]);
765 : }
766 :
767 0 : for (mb_row = 0; mb_row < cm->mb_rows;
768 0 : mb_row += (cpi->encoding_thread_count + 1)) {
769 0 : vp8_zero(cm->left_context)
770 :
771 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
772 : tp = cpi->tok;
773 : #else
774 0 : tp = cpi->tok + mb_row * (cm->mb_cols * 16 * 24);
775 : #endif
776 :
777 0 : encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
778 :
779 : /* adjust to the next row of mbs */
780 0 : x->src.y_buffer +=
781 0 : 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) -
782 0 : 16 * cm->mb_cols;
783 0 : x->src.u_buffer +=
784 0 : 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -
785 0 : 8 * cm->mb_cols;
786 0 : x->src.v_buffer +=
787 0 : 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -
788 0 : 8 * cm->mb_cols;
789 :
790 0 : xd->mode_info_context +=
791 0 : xd->mode_info_stride * cpi->encoding_thread_count;
792 0 : x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
793 0 : x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;
794 : }
795 : /* Wait for all the threads to finish. */
796 0 : for (i = 0; i < cpi->encoding_thread_count; ++i) {
797 0 : sem_wait(&cpi->h_event_end_encoding[i]);
798 : }
799 :
800 0 : for (mb_row = 0; mb_row < cm->mb_rows; ++mb_row) {
801 0 : cpi->tok_count += (unsigned int)(cpi->tplist[mb_row].stop -
802 0 : cpi->tplist[mb_row].start);
803 : }
804 :
805 0 : if (xd->segmentation_enabled) {
806 : int j;
807 :
808 0 : if (xd->segmentation_enabled) {
809 0 : for (i = 0; i < cpi->encoding_thread_count; ++i) {
810 0 : for (j = 0; j < 4; ++j) {
811 0 : segment_counts[j] += cpi->mb_row_ei[i].segment_counts[j];
812 : }
813 : }
814 : }
815 : }
816 :
817 0 : for (i = 0; i < cpi->encoding_thread_count; ++i) {
818 : int mode_count;
819 : int c_idx;
820 0 : totalrate += cpi->mb_row_ei[i].totalrate;
821 :
822 0 : cpi->mb.skip_true_count += cpi->mb_row_ei[i].mb.skip_true_count;
823 :
824 0 : for (mode_count = 0; mode_count < VP8_YMODES; ++mode_count) {
825 0 : cpi->mb.ymode_count[mode_count] +=
826 0 : cpi->mb_row_ei[i].mb.ymode_count[mode_count];
827 : }
828 :
829 0 : for (mode_count = 0; mode_count < VP8_UV_MODES; ++mode_count) {
830 0 : cpi->mb.uv_mode_count[mode_count] +=
831 0 : cpi->mb_row_ei[i].mb.uv_mode_count[mode_count];
832 : }
833 :
834 0 : for (c_idx = 0; c_idx < MVvals; ++c_idx) {
835 0 : cpi->mb.MVcount[0][c_idx] += cpi->mb_row_ei[i].mb.MVcount[0][c_idx];
836 0 : cpi->mb.MVcount[1][c_idx] += cpi->mb_row_ei[i].mb.MVcount[1][c_idx];
837 : }
838 :
839 0 : cpi->mb.prediction_error += cpi->mb_row_ei[i].mb.prediction_error;
840 0 : cpi->mb.intra_error += cpi->mb_row_ei[i].mb.intra_error;
841 :
842 0 : for (c_idx = 0; c_idx < MAX_REF_FRAMES; ++c_idx) {
843 0 : cpi->mb.count_mb_ref_frame_usage[c_idx] +=
844 0 : cpi->mb_row_ei[i].mb.count_mb_ref_frame_usage[c_idx];
845 : }
846 :
847 0 : for (c_idx = 0; c_idx < MAX_ERROR_BINS; ++c_idx) {
848 0 : cpi->mb.error_bins[c_idx] += cpi->mb_row_ei[i].mb.error_bins[c_idx];
849 : }
850 :
851 : /* add up counts for each thread */
852 0 : sum_coef_counts(x, &cpi->mb_row_ei[i].mb);
853 : }
854 :
855 : } else
856 : #endif // CONFIG_MULTITHREAD
857 : {
858 :
859 : /* for each macroblock row in image */
860 0 : for (mb_row = 0; mb_row < cm->mb_rows; ++mb_row) {
861 0 : vp8_zero(cm->left_context)
862 :
863 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
864 : tp = cpi->tok;
865 : #endif
866 :
867 0 : encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
868 :
869 : /* adjust to the next row of mbs */
870 0 : x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
871 0 : x->src.u_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
872 0 : x->src.v_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
873 : }
874 :
875 0 : cpi->tok_count = (unsigned int)(tp - cpi->tok);
876 : }
877 :
878 : #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
879 : {
880 : int i;
881 : for (i = 0; i < num_part; ++i) {
882 : vp8_stop_encode(&bc[i]);
883 : cpi->partition_sz[i + 1] = bc[i].pos;
884 : }
885 : }
886 : #endif
887 :
888 0 : vpx_usec_timer_mark(&emr_timer);
889 0 : cpi->time_encode_mb_row += vpx_usec_timer_elapsed(&emr_timer);
890 : }
891 :
892 : // Work out the segment probabilities if segmentation is enabled
893 : // and needs to be updated
894 0 : if (xd->segmentation_enabled && xd->update_mb_segmentation_map) {
895 : int tot_count;
896 : int i;
897 :
898 : /* Set to defaults */
899 0 : memset(xd->mb_segment_tree_probs, 255, sizeof(xd->mb_segment_tree_probs));
900 :
901 0 : tot_count = segment_counts[0] + segment_counts[1] + segment_counts[2] +
902 0 : segment_counts[3];
903 :
904 0 : if (tot_count) {
905 0 : xd->mb_segment_tree_probs[0] =
906 0 : ((segment_counts[0] + segment_counts[1]) * 255) / tot_count;
907 :
908 0 : tot_count = segment_counts[0] + segment_counts[1];
909 :
910 0 : if (tot_count > 0) {
911 0 : xd->mb_segment_tree_probs[1] = (segment_counts[0] * 255) / tot_count;
912 : }
913 :
914 0 : tot_count = segment_counts[2] + segment_counts[3];
915 :
916 0 : if (tot_count > 0) {
917 0 : xd->mb_segment_tree_probs[2] = (segment_counts[2] * 255) / tot_count;
918 : }
919 :
920 : /* Zero probabilities not allowed */
921 0 : for (i = 0; i < MB_FEATURE_TREE_PROBS; ++i) {
922 0 : if (xd->mb_segment_tree_probs[i] == 0) xd->mb_segment_tree_probs[i] = 1;
923 : }
924 : }
925 : }
926 :
927 : /* projected_frame_size in units of BYTES */
928 0 : cpi->projected_frame_size = totalrate >> 8;
929 :
930 : /* Make a note of the percentage MBs coded Intra. */
931 0 : if (cm->frame_type == KEY_FRAME) {
932 0 : cpi->this_frame_percent_intra = 100;
933 : } else {
934 : int tot_modes;
935 :
936 0 : tot_modes = cpi->mb.count_mb_ref_frame_usage[INTRA_FRAME] +
937 0 : cpi->mb.count_mb_ref_frame_usage[LAST_FRAME] +
938 0 : cpi->mb.count_mb_ref_frame_usage[GOLDEN_FRAME] +
939 0 : cpi->mb.count_mb_ref_frame_usage[ALTREF_FRAME];
940 :
941 0 : if (tot_modes) {
942 0 : cpi->this_frame_percent_intra =
943 0 : cpi->mb.count_mb_ref_frame_usage[INTRA_FRAME] * 100 / tot_modes;
944 : }
945 : }
946 :
947 : #if !CONFIG_REALTIME_ONLY
948 : /* Adjust the projected reference frame usage probability numbers to
949 : * reflect what we have just seen. This may be useful when we make
950 : * multiple iterations of the recode loop rather than continuing to use
951 : * values from the previous frame.
952 : */
953 0 : if ((cm->frame_type != KEY_FRAME) &&
954 0 : ((cpi->oxcf.number_of_layers > 1) ||
955 0 : (!cm->refresh_alt_ref_frame && !cm->refresh_golden_frame))) {
956 0 : vp8_convert_rfct_to_prob(cpi);
957 : }
958 : #endif
959 0 : }
960 0 : void vp8_setup_block_ptrs(MACROBLOCK *x) {
961 : int r, c;
962 : int i;
963 :
964 0 : for (r = 0; r < 4; ++r) {
965 0 : for (c = 0; c < 4; ++c) {
966 0 : x->block[r * 4 + c].src_diff = x->src_diff + r * 4 * 16 + c * 4;
967 : }
968 : }
969 :
970 0 : for (r = 0; r < 2; ++r) {
971 0 : for (c = 0; c < 2; ++c) {
972 0 : x->block[16 + r * 2 + c].src_diff = x->src_diff + 256 + r * 4 * 8 + c * 4;
973 : }
974 : }
975 :
976 0 : for (r = 0; r < 2; ++r) {
977 0 : for (c = 0; c < 2; ++c) {
978 0 : x->block[20 + r * 2 + c].src_diff = x->src_diff + 320 + r * 4 * 8 + c * 4;
979 : }
980 : }
981 :
982 0 : x->block[24].src_diff = x->src_diff + 384;
983 :
984 0 : for (i = 0; i < 25; ++i) {
985 0 : x->block[i].coeff = x->coeff + i * 16;
986 : }
987 0 : }
988 :
989 0 : void vp8_build_block_offsets(MACROBLOCK *x) {
990 0 : int block = 0;
991 : int br, bc;
992 :
993 0 : vp8_build_block_doffsets(&x->e_mbd);
994 :
995 : /* y blocks */
996 0 : x->thismb_ptr = &x->thismb[0];
997 0 : for (br = 0; br < 4; ++br) {
998 0 : for (bc = 0; bc < 4; ++bc) {
999 0 : BLOCK *this_block = &x->block[block];
1000 0 : this_block->base_src = &x->thismb_ptr;
1001 0 : this_block->src_stride = 16;
1002 0 : this_block->src = 4 * br * 16 + 4 * bc;
1003 0 : ++block;
1004 : }
1005 : }
1006 :
1007 : /* u blocks */
1008 0 : for (br = 0; br < 2; ++br) {
1009 0 : for (bc = 0; bc < 2; ++bc) {
1010 0 : BLOCK *this_block = &x->block[block];
1011 0 : this_block->base_src = &x->src.u_buffer;
1012 0 : this_block->src_stride = x->src.uv_stride;
1013 0 : this_block->src = 4 * br * this_block->src_stride + 4 * bc;
1014 0 : ++block;
1015 : }
1016 : }
1017 :
1018 : /* v blocks */
1019 0 : for (br = 0; br < 2; ++br) {
1020 0 : for (bc = 0; bc < 2; ++bc) {
1021 0 : BLOCK *this_block = &x->block[block];
1022 0 : this_block->base_src = &x->src.v_buffer;
1023 0 : this_block->src_stride = x->src.uv_stride;
1024 0 : this_block->src = 4 * br * this_block->src_stride + 4 * bc;
1025 0 : ++block;
1026 : }
1027 : }
1028 0 : }
1029 :
1030 0 : static void sum_intra_stats(VP8_COMP *cpi, MACROBLOCK *x) {
1031 0 : const MACROBLOCKD *xd = &x->e_mbd;
1032 0 : const MB_PREDICTION_MODE m = xd->mode_info_context->mbmi.mode;
1033 0 : const MB_PREDICTION_MODE uvm = xd->mode_info_context->mbmi.uv_mode;
1034 :
1035 : #ifdef MODE_STATS
1036 : const int is_key = cpi->common.frame_type == KEY_FRAME;
1037 :
1038 : ++(is_key ? uv_modes : inter_uv_modes)[uvm];
1039 :
1040 : if (m == B_PRED) {
1041 : unsigned int *const bct = is_key ? b_modes : inter_b_modes;
1042 :
1043 : int b = 0;
1044 :
1045 : do {
1046 : ++bct[xd->block[b].bmi.mode];
1047 : } while (++b < 16);
1048 : }
1049 :
1050 : #else
1051 : (void)cpi;
1052 : #endif
1053 :
1054 0 : ++x->ymode_count[m];
1055 0 : ++x->uv_mode_count[uvm];
1056 0 : }
1057 :
1058 : /* Experimental stub function to create a per MB zbin adjustment based on
1059 : * some previously calculated measure of MB activity.
1060 : */
1061 0 : static void adjust_act_zbin(VP8_COMP *cpi, MACROBLOCK *x) {
1062 : #if USE_ACT_INDEX
1063 : x->act_zbin_adj = *(x->mb_activity_ptr);
1064 : #else
1065 : int64_t a;
1066 : int64_t b;
1067 0 : int64_t act = *(x->mb_activity_ptr);
1068 :
1069 : /* Apply the masking to the RD multiplier. */
1070 0 : a = act + 4 * cpi->activity_avg;
1071 0 : b = 4 * act + cpi->activity_avg;
1072 :
1073 0 : if (act > cpi->activity_avg) {
1074 0 : x->act_zbin_adj = (int)(((int64_t)b + (a >> 1)) / a) - 1;
1075 : } else {
1076 0 : x->act_zbin_adj = 1 - (int)(((int64_t)a + (b >> 1)) / b);
1077 : }
1078 : #endif
1079 0 : }
1080 :
1081 0 : int vp8cx_encode_intra_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
1082 : TOKENEXTRA **t) {
1083 0 : MACROBLOCKD *xd = &x->e_mbd;
1084 : int rate;
1085 :
1086 0 : if (cpi->sf.RD && cpi->compressor_speed != 2) {
1087 0 : vp8_rd_pick_intra_mode(x, &rate);
1088 : } else {
1089 0 : vp8_pick_intra_mode(x, &rate);
1090 : }
1091 :
1092 0 : if (cpi->oxcf.tuning == VP8_TUNE_SSIM) {
1093 0 : adjust_act_zbin(cpi, x);
1094 0 : vp8_update_zbin_extra(cpi, x);
1095 : }
1096 :
1097 0 : if (x->e_mbd.mode_info_context->mbmi.mode == B_PRED) {
1098 0 : vp8_encode_intra4x4mby(x);
1099 : } else {
1100 0 : vp8_encode_intra16x16mby(x);
1101 : }
1102 :
1103 0 : vp8_encode_intra16x16mbuv(x);
1104 :
1105 0 : sum_intra_stats(cpi, x);
1106 :
1107 0 : vp8_tokenize_mb(cpi, x, t);
1108 :
1109 0 : if (xd->mode_info_context->mbmi.mode != B_PRED) vp8_inverse_transform_mby(xd);
1110 :
1111 0 : vp8_dequant_idct_add_uv_block(xd->qcoeff + 16 * 16, xd->dequant_uv,
1112 0 : xd->dst.u_buffer, xd->dst.v_buffer,
1113 0 : xd->dst.uv_stride, xd->eobs + 16);
1114 0 : return rate;
1115 : }
1116 : #ifdef SPEEDSTATS
1117 : extern int cnt_pm;
1118 : #endif
1119 :
1120 : extern void vp8_fix_contexts(MACROBLOCKD *x);
1121 :
1122 0 : int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
1123 : int recon_yoffset, int recon_uvoffset,
1124 : int mb_row, int mb_col) {
1125 0 : MACROBLOCKD *const xd = &x->e_mbd;
1126 0 : int intra_error = 0;
1127 : int rate;
1128 : int distortion;
1129 :
1130 0 : x->skip = 0;
1131 :
1132 0 : if (xd->segmentation_enabled) {
1133 0 : x->encode_breakout =
1134 0 : cpi->segment_encode_breakout[xd->mode_info_context->mbmi.segment_id];
1135 : } else {
1136 0 : x->encode_breakout = cpi->oxcf.encode_breakout;
1137 : }
1138 :
1139 : #if CONFIG_TEMPORAL_DENOISING
1140 : /* Reset the best sse mode/mv for each macroblock. */
1141 0 : x->best_reference_frame = INTRA_FRAME;
1142 0 : x->best_zeromv_reference_frame = INTRA_FRAME;
1143 0 : x->best_sse_inter_mode = 0;
1144 0 : x->best_sse_mv.as_int = 0;
1145 0 : x->need_to_clamp_best_mvs = 0;
1146 : #endif
1147 :
1148 0 : if (cpi->sf.RD) {
1149 0 : int zbin_mode_boost_enabled = x->zbin_mode_boost_enabled;
1150 :
1151 : /* Are we using the fast quantizer for the mode selection? */
1152 0 : if (cpi->sf.use_fastquant_for_pick) {
1153 0 : x->quantize_b = vp8_fast_quantize_b;
1154 :
1155 : /* the fast quantizer does not use zbin_extra, so
1156 : * do not recalculate */
1157 0 : x->zbin_mode_boost_enabled = 0;
1158 : }
1159 0 : vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
1160 : &distortion, &intra_error, mb_row, mb_col);
1161 :
1162 : /* switch back to the regular quantizer for the encode */
1163 0 : if (cpi->sf.improved_quant) {
1164 0 : x->quantize_b = vp8_regular_quantize_b;
1165 : }
1166 :
1167 : /* restore cpi->zbin_mode_boost_enabled */
1168 0 : x->zbin_mode_boost_enabled = zbin_mode_boost_enabled;
1169 :
1170 : } else {
1171 0 : vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
1172 : &distortion, &intra_error, mb_row, mb_col);
1173 : }
1174 :
1175 0 : x->prediction_error += distortion;
1176 0 : x->intra_error += intra_error;
1177 :
1178 0 : if (cpi->oxcf.tuning == VP8_TUNE_SSIM) {
1179 : /* Adjust the zbin based on this MB rate. */
1180 0 : adjust_act_zbin(cpi, x);
1181 : }
1182 :
1183 : #if 0
1184 : /* Experimental RD code */
1185 : cpi->frame_distortion += distortion;
1186 : cpi->last_mb_distortion = distortion;
1187 : #endif
1188 :
1189 : /* MB level adjutment to quantizer setup */
1190 0 : if (xd->segmentation_enabled) {
1191 : /* If cyclic update enabled */
1192 0 : if (cpi->current_layer == 0 && cpi->cyclic_refresh_mode_enabled) {
1193 : /* Clear segment_id back to 0 if not coded (last frame 0,0) */
1194 0 : if ((xd->mode_info_context->mbmi.segment_id == 1) &&
1195 0 : ((xd->mode_info_context->mbmi.ref_frame != LAST_FRAME) ||
1196 0 : (xd->mode_info_context->mbmi.mode != ZEROMV))) {
1197 0 : xd->mode_info_context->mbmi.segment_id = 0;
1198 :
1199 : /* segment_id changed, so update */
1200 0 : vp8cx_mb_init_quantizer(cpi, x, 1);
1201 : }
1202 : }
1203 : }
1204 :
1205 : {
1206 : /* Experimental code.
1207 : * Special case for gf and arf zeromv modes, for 1 temporal layer.
1208 : * Increase zbin size to supress noise.
1209 : */
1210 0 : x->zbin_mode_boost = 0;
1211 0 : if (x->zbin_mode_boost_enabled) {
1212 0 : if (xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME) {
1213 0 : if (xd->mode_info_context->mbmi.mode == ZEROMV) {
1214 0 : if (xd->mode_info_context->mbmi.ref_frame != LAST_FRAME &&
1215 0 : cpi->oxcf.number_of_layers == 1) {
1216 0 : x->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
1217 : } else {
1218 0 : x->zbin_mode_boost = LF_ZEROMV_ZBIN_BOOST;
1219 : }
1220 0 : } else if (xd->mode_info_context->mbmi.mode == SPLITMV) {
1221 0 : x->zbin_mode_boost = 0;
1222 : } else {
1223 0 : x->zbin_mode_boost = MV_ZBIN_BOOST;
1224 : }
1225 : }
1226 : }
1227 :
1228 : /* The fast quantizer doesn't use zbin_extra, only do so with
1229 : * the regular quantizer. */
1230 0 : if (cpi->sf.improved_quant) vp8_update_zbin_extra(cpi, x);
1231 : }
1232 :
1233 0 : x->count_mb_ref_frame_usage[xd->mode_info_context->mbmi.ref_frame]++;
1234 :
1235 0 : if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) {
1236 0 : vp8_encode_intra16x16mbuv(x);
1237 :
1238 0 : if (xd->mode_info_context->mbmi.mode == B_PRED) {
1239 0 : vp8_encode_intra4x4mby(x);
1240 : } else {
1241 0 : vp8_encode_intra16x16mby(x);
1242 : }
1243 :
1244 0 : sum_intra_stats(cpi, x);
1245 : } else {
1246 : int ref_fb_idx;
1247 :
1248 0 : if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME) {
1249 0 : ref_fb_idx = cpi->common.lst_fb_idx;
1250 0 : } else if (xd->mode_info_context->mbmi.ref_frame == GOLDEN_FRAME) {
1251 0 : ref_fb_idx = cpi->common.gld_fb_idx;
1252 : } else {
1253 0 : ref_fb_idx = cpi->common.alt_fb_idx;
1254 : }
1255 :
1256 0 : xd->pre.y_buffer = cpi->common.yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;
1257 0 : xd->pre.u_buffer =
1258 0 : cpi->common.yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
1259 0 : xd->pre.v_buffer =
1260 0 : cpi->common.yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
1261 :
1262 0 : if (!x->skip) {
1263 0 : vp8_encode_inter16x16(x);
1264 : } else {
1265 0 : vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer, xd->dst.u_buffer,
1266 0 : xd->dst.v_buffer, xd->dst.y_stride,
1267 : xd->dst.uv_stride);
1268 : }
1269 : }
1270 :
1271 0 : if (!x->skip) {
1272 0 : vp8_tokenize_mb(cpi, x, t);
1273 :
1274 0 : if (xd->mode_info_context->mbmi.mode != B_PRED) {
1275 0 : vp8_inverse_transform_mby(xd);
1276 : }
1277 :
1278 0 : vp8_dequant_idct_add_uv_block(xd->qcoeff + 16 * 16, xd->dequant_uv,
1279 0 : xd->dst.u_buffer, xd->dst.v_buffer,
1280 0 : xd->dst.uv_stride, xd->eobs + 16);
1281 : } else {
1282 : /* always set mb_skip_coeff as it is needed by the loopfilter */
1283 0 : xd->mode_info_context->mbmi.mb_skip_coeff = 1;
1284 :
1285 0 : if (cpi->common.mb_no_coeff_skip) {
1286 0 : x->skip_true_count++;
1287 0 : vp8_fix_contexts(xd);
1288 : } else {
1289 0 : vp8_stuff_mb(cpi, x, t);
1290 : }
1291 : }
1292 :
1293 0 : return rate;
1294 : }
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