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Define RDCOST only once
[libvpx.git] / vp8 / decoder / threading.c
blob3d9d428efb574cca0ae91ee9133576560ed7b36f
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
12 #if !defined(WIN32) && CONFIG_OS_SUPPORT == 1
13 # include <unistd.h>
14 #endif
15 #include "onyxd_int.h"
16 #include "vpx_mem/vpx_mem.h"
17 #include "vp8/common/threading.h"
18
19 #include "vp8/common/loopfilter.h"
20 #include "vp8/common/extend.h"
21 #include "vpx_ports/vpx_timer.h"
22 #include "detokenize.h"
23 #include "vp8/common/reconinter.h"
24 #include "reconintra_mt.h"
25
26 extern void mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd);
27 extern void clamp_mvs(MACROBLOCKD *xd);
28 extern void vp8_build_uvmvs(MACROBLOCKD *x, int fullpixel);
29
30 #if CONFIG_RUNTIME_CPU_DETECT
31 #define RTCD_VTABLE(x) (&(pbi)->common.rtcd.x)
32 #else
33 #define RTCD_VTABLE(x) NULL
34 #endif
35
36 static void setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count)
37 {
38 VP8_COMMON *const pc = & pbi->common;
39 int i, j;
40
41 for (i = 0; i < count; i++)
42 {
43 MACROBLOCKD *mbd = &mbrd[i].mbd;
44 #if CONFIG_RUNTIME_CPU_DETECT
45 mbd->rtcd = xd->rtcd;
46 #endif
47 mbd->subpixel_predict = xd->subpixel_predict;
48 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;
49 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;
50 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;
51
52 mbd->mode_info_context = pc->mi + pc->mode_info_stride * (i + 1);
53 mbd->mode_info_stride = pc->mode_info_stride;
54
55 mbd->frame_type = pc->frame_type;
56 mbd->frames_since_golden = pc->frames_since_golden;
57 mbd->frames_till_alt_ref_frame = pc->frames_till_alt_ref_frame;
58
59 mbd->pre = pc->yv12_fb[pc->lst_fb_idx];
60 mbd->dst = pc->yv12_fb[pc->new_fb_idx];
61
62 vp8_setup_block_dptrs(mbd);
63 vp8_build_block_doffsets(mbd);
64 mbd->segmentation_enabled = xd->segmentation_enabled;
65 mbd->mb_segement_abs_delta = xd->mb_segement_abs_delta;
66 vpx_memcpy(mbd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));
67
68 /*signed char ref_lf_deltas[MAX_REF_LF_DELTAS];*/
69 vpx_memcpy(mbd->ref_lf_deltas, xd->ref_lf_deltas, sizeof(xd->ref_lf_deltas));
70 /*signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];*/
71 vpx_memcpy(mbd->mode_lf_deltas, xd->mode_lf_deltas, sizeof(xd->mode_lf_deltas));
72 /*unsigned char mode_ref_lf_delta_enabled;
73 unsigned char mode_ref_lf_delta_update;*/
74 mbd->mode_ref_lf_delta_enabled = xd->mode_ref_lf_delta_enabled;
75 mbd->mode_ref_lf_delta_update = xd->mode_ref_lf_delta_update;
76
77 mbd->current_bc = &pbi->bc2;
78
79 for (j = 0; j < 25; j++)
80 {
81 mbd->block[j].dequant = xd->block[j].dequant;
82 }
83 }
84
85 for (i=0; i< pc->mb_rows; i++)
86 pbi->mt_current_mb_col[i]=-1;
87 }
88
89
90 static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int mb_col)
91 {
92 int eobtotal = 0;
93 int i, do_clamp = xd->mode_info_context->mbmi.need_to_clamp_mvs;
94 VP8_COMMON *pc = &pbi->common;
95
96 if (xd->mode_info_context->mbmi.mb_skip_coeff)
97 {
98 vp8_reset_mb_tokens_context(xd);
99 }
100 else
101 {
102 eobtotal = vp8_decode_mb_tokens(pbi, xd);
103 }
104
105 /* Perform temporary clamping of the MV to be used for prediction */
106 if (do_clamp)
107 {
108 clamp_mvs(xd);
109 }
110
111 xd->mode_info_context->mbmi.dc_diff = 1;
112
113 if (xd->mode_info_context->mbmi.mode != B_PRED && xd->mode_info_context->mbmi.mode != SPLITMV && eobtotal == 0)
114 {
115 xd->mode_info_context->mbmi.dc_diff = 0;
116
117 /*mt_skip_recon_mb(pbi, xd, mb_row, mb_col);*/
118 if (xd->frame_type == KEY_FRAME || xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
119 {
120 vp8mt_build_intra_predictors_mbuv_s(pbi, xd, mb_row, mb_col);
121 vp8mt_build_intra_predictors_mby_s(pbi, xd, mb_row, mb_col);
122 }
123 else
124 {
125 vp8_build_inter_predictors_mb_s(xd);
126 }
127 return;
128 }
129
130 if (xd->segmentation_enabled)
131 mb_init_dequantizer(pbi, xd);
132
133 /* do prediction */
134 if (xd->frame_type == KEY_FRAME || xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
135 {
136 vp8mt_build_intra_predictors_mbuv(pbi, xd, mb_row, mb_col);
137
138 if (xd->mode_info_context->mbmi.mode != B_PRED)
139 {
140 vp8mt_build_intra_predictors_mby(pbi, xd, mb_row, mb_col);
141 } else {
142 vp8mt_intra_prediction_down_copy(pbi, xd, mb_row, mb_col);
143 }
144 }
145 else
146 {
147 vp8_build_inter_predictors_mb(xd);
148 }
149
150 /* dequantization and idct */
151 if (xd->mode_info_context->mbmi.mode != B_PRED && xd->mode_info_context->mbmi.mode != SPLITMV)
152 {
153 BLOCKD *b = &xd->block[24];
154 DEQUANT_INVOKE(&pbi->dequant, block)(b);
155
156 /* do 2nd order transform on the dc block */
157 if (xd->eobs[24] > 1)
158 {
159 IDCT_INVOKE(RTCD_VTABLE(idct), iwalsh16)(&b->dqcoeff[0], b->diff);
160 ((int *)b->qcoeff)[0] = 0;
161 ((int *)b->qcoeff)[1] = 0;
162 ((int *)b->qcoeff)[2] = 0;
163 ((int *)b->qcoeff)[3] = 0;
164 ((int *)b->qcoeff)[4] = 0;
165 ((int *)b->qcoeff)[5] = 0;
166 ((int *)b->qcoeff)[6] = 0;
167 ((int *)b->qcoeff)[7] = 0;
168 }
169 else
170 {
171 IDCT_INVOKE(RTCD_VTABLE(idct), iwalsh1)(&b->dqcoeff[0], b->diff);
172 ((int *)b->qcoeff)[0] = 0;
173 }
174
175 DEQUANT_INVOKE (&pbi->dequant, dc_idct_add_y_block)
176 (xd->qcoeff, xd->block[0].dequant,
177 xd->predictor, xd->dst.y_buffer,
178 xd->dst.y_stride, xd->eobs, xd->block[24].diff);
179 }
180 else if ((xd->frame_type == KEY_FRAME || xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) && xd->mode_info_context->mbmi.mode == B_PRED)
181 {
182 for (i = 0; i < 16; i++)
183 {
184 BLOCKD *b = &xd->block[i];
185 vp8mt_predict_intra4x4(pbi, xd, b->bmi.mode, b->predictor, mb_row, mb_col, i);
186
187 if (xd->eobs[i] > 1)
188 {
189 DEQUANT_INVOKE(&pbi->dequant, idct_add)
190 (b->qcoeff, b->dequant, b->predictor,
191 *(b->base_dst) + b->dst, 16, b->dst_stride);
192 }
193 else
194 {
195 IDCT_INVOKE(RTCD_VTABLE(idct), idct1_scalar_add)
196 (b->qcoeff[0] * b->dequant[0], b->predictor,
197 *(b->base_dst) + b->dst, 16, b->dst_stride);
198 ((int *)b->qcoeff)[0] = 0;
199 }
200 }
201 }
202 else
203 {
204 DEQUANT_INVOKE (&pbi->dequant, idct_add_y_block)
205 (xd->qcoeff, xd->block[0].dequant,
206 xd->predictor, xd->dst.y_buffer,
207 xd->dst.y_stride, xd->eobs);
208 }
209
210 DEQUANT_INVOKE (&pbi->dequant, idct_add_uv_block)
211 (xd->qcoeff+16*16, xd->block[16].dequant,
212 xd->predictor+16*16, xd->dst.u_buffer, xd->dst.v_buffer,
213 xd->dst.uv_stride, xd->eobs+16);
214 }
215
216
217 static THREAD_FUNCTION thread_decoding_proc(void *p_data)
218 {
219 int ithread = ((DECODETHREAD_DATA *)p_data)->ithread;
220 VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1);
221 MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2);
222 ENTROPY_CONTEXT_PLANES mb_row_left_context;
223
224 while (1)
225 {
226 if (pbi->b_multithreaded_rd == 0)
227 break;
228
229 /*if(WaitForSingleObject(pbi->h_event_start_decoding[ithread], INFINITE) == WAIT_OBJECT_0)*/
230 if (sem_wait(&pbi->h_event_start_decoding[ithread]) == 0)
231 {
232 if (pbi->b_multithreaded_rd == 0)
233 break;
234 else
235 {
236 VP8_COMMON *pc = &pbi->common;
237 MACROBLOCKD *xd = &mbrd->mbd;
238
239 int mb_row;
240 int num_part = 1 << pbi->common.multi_token_partition;
241 volatile int *last_row_current_mb_col;
242 int nsync = pbi->sync_range;
243
244 for (mb_row = ithread+1; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1))
245 {
246 int i;
247 int recon_yoffset, recon_uvoffset;
248 int mb_col;
249 int ref_fb_idx = pc->lst_fb_idx;
250 int dst_fb_idx = pc->new_fb_idx;
251 int recon_y_stride = pc->yv12_fb[ref_fb_idx].y_stride;
252 int recon_uv_stride = pc->yv12_fb[ref_fb_idx].uv_stride;
253
254 int filter_level;
255 loop_filter_info *lfi = pc->lf_info;
256 int alt_flt_enabled = xd->segmentation_enabled;
257 int Segment;
258
259 pbi->mb_row_di[ithread].mb_row = mb_row;
260 pbi->mb_row_di[ithread].mbd.current_bc = &pbi->mbc[mb_row%num_part];
261
262 last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1];
263
264 recon_yoffset = mb_row * recon_y_stride * 16;
265 recon_uvoffset = mb_row * recon_uv_stride * 8;
266 /* reset above block coeffs */
267
268 xd->above_context = pc->above_context;
269 xd->left_context = &mb_row_left_context;
270 vpx_memset(&mb_row_left_context, 0, sizeof(mb_row_left_context));
271 xd->up_available = (mb_row != 0);
272
273 xd->mb_to_top_edge = -((mb_row * 16)) << 3;
274 xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3;
275
276 for (mb_col = 0; mb_col < pc->mb_cols; mb_col++)
277 {
278 if ((mb_col & (nsync-1)) == 0)
279 {
280 while (mb_col > (*last_row_current_mb_col - nsync) && *last_row_current_mb_col != pc->mb_cols - 1)
281 {
282 x86_pause_hint();
283 thread_sleep(0);
284 }
285 }
286
287 if (xd->mode_info_context->mbmi.mode == SPLITMV || xd->mode_info_context->mbmi.mode == B_PRED)
288 {
289 for (i = 0; i < 16; i++)
290 {
291 BLOCKD *d = &xd->block[i];
292 vpx_memcpy(&d->bmi, &xd->mode_info_context->bmi[i], sizeof(B_MODE_INFO));
293 }
294 }
295
296 /* Distance of Mb to the various image edges.
297 * These are specified to 8th pel as they are always compared to values that are in 1/8th pel units
298 */
299 xd->mb_to_left_edge = -((mb_col * 16) << 3);
300 xd->mb_to_right_edge = ((pc->mb_cols - 1 - mb_col) * 16) << 3;
301
302 xd->dst.y_buffer = pc->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
303 xd->dst.u_buffer = pc->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
304 xd->dst.v_buffer = pc->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
305
306 xd->left_available = (mb_col != 0);
307
308 /* Select the appropriate reference frame for this MB */
309 if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)
310 ref_fb_idx = pc->lst_fb_idx;
311 else if (xd->mode_info_context->mbmi.ref_frame == GOLDEN_FRAME)
312 ref_fb_idx = pc->gld_fb_idx;
313 else
314 ref_fb_idx = pc->alt_fb_idx;
315
316 xd->pre.y_buffer = pc->yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;
317 xd->pre.u_buffer = pc->yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
318 xd->pre.v_buffer = pc->yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
319
320 vp8_build_uvmvs(xd, pc->full_pixel);
321 decode_macroblock(pbi, xd, mb_row, mb_col);
322
323 if (pbi->common.filter_level)
324 {
325 if( mb_row != pc->mb_rows-1 )
326 {
327 /* Save decoded MB last row data for next-row decoding */
328 vpx_memcpy((pbi->mt_yabove_row[mb_row + 1] + 32 + mb_col*16), (xd->dst.y_buffer + 15 * recon_y_stride), 16);
329 vpx_memcpy((pbi->mt_uabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.u_buffer + 7 * recon_uv_stride), 8);
330 vpx_memcpy((pbi->mt_vabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.v_buffer + 7 * recon_uv_stride), 8);
331 }
332
333 /* save left_col for next MB decoding */
334 if(mb_col != pc->mb_cols-1)
335 {
336 MODE_INFO *next = xd->mode_info_context +1;
337
338 if (xd->frame_type == KEY_FRAME || next->mbmi.ref_frame == INTRA_FRAME)
339 {
340 for (i = 0; i < 16; i++)
341 pbi->mt_yleft_col[mb_row][i] = xd->dst.y_buffer [i* recon_y_stride + 15];
342 for (i = 0; i < 8; i++)
343 {
344 pbi->mt_uleft_col[mb_row][i] = xd->dst.u_buffer [i* recon_uv_stride + 7];
345 pbi->mt_vleft_col[mb_row][i] = xd->dst.v_buffer [i* recon_uv_stride + 7];
346 }
347 }
348 }
349
350 /* update loopfilter info */
351 Segment = (alt_flt_enabled) ? xd->mode_info_context->mbmi.segment_id : 0;
352 filter_level = pbi->mt_baseline_filter_level[Segment];
353 /* Distance of Mb to the various image edges.
354 * These are specified to 8th pel as they are always compared to values that are in 1/8th pel units
355 * Apply any context driven MB level adjustment
356 */
357 filter_level = vp8_adjust_mb_lf_value(xd, filter_level);
358
359 /* loopfilter on this macroblock. */
360 if (filter_level)
361 {
362 if (mb_col > 0)
363 pc->lf_mbv(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
364
365 if (xd->mode_info_context->mbmi.dc_diff > 0)
366 pc->lf_bv(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
367
368 /* don't apply across umv border */
369 if (mb_row > 0)
370 pc->lf_mbh(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
371
372 if (xd->mode_info_context->mbmi.dc_diff > 0)
373 pc->lf_bh(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
374 }
375 }
376
377 recon_yoffset += 16;
378 recon_uvoffset += 8;
379
380 ++xd->mode_info_context; /* next mb */
381
382 xd->above_context++;
383
384 /*pbi->mb_row_di[ithread].current_mb_col = mb_col;*/
385 pbi->mt_current_mb_col[mb_row] = mb_col;
386 }
387
388 /* adjust to the next row of mbs */
389 if (pbi->common.filter_level)
390 {
391 if(mb_row != pc->mb_rows-1)
392 {
393 int lasty = pc->yv12_fb[ref_fb_idx].y_width + VP8BORDERINPIXELS;
394 int lastuv = (pc->yv12_fb[ref_fb_idx].y_width>>1) + (VP8BORDERINPIXELS>>1);
395
396 for (i = 0; i < 4; i++)
397 {
398 pbi->mt_yabove_row[mb_row +1][lasty + i] = pbi->mt_yabove_row[mb_row +1][lasty -1];
399 pbi->mt_uabove_row[mb_row +1][lastuv + i] = pbi->mt_uabove_row[mb_row +1][lastuv -1];
400 pbi->mt_vabove_row[mb_row +1][lastuv + i] = pbi->mt_vabove_row[mb_row +1][lastuv -1];
401 }
402 }
403 } else
404 vp8_extend_mb_row(&pc->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16, xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
405
406 ++xd->mode_info_context; /* skip prediction column */
407
408 /* since we have multithread */
409 xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count;
410 }
411 }
412 }
413 /* add this to each frame */
414 if ((mbrd->mb_row == pbi->common.mb_rows-1) || ((mbrd->mb_row == pbi->common.mb_rows-2) && (pbi->common.mb_rows % (pbi->decoding_thread_count+1))==1))
415 {
416 /*SetEvent(pbi->h_event_end_decoding);*/
417 sem_post(&pbi->h_event_end_decoding);
418 }
419 }
420
421 return 0 ;
422 }
423
424
425 void vp8_decoder_create_threads(VP8D_COMP *pbi)
426 {
427 int core_count = 0;
428 int ithread;
429
430 pbi->b_multithreaded_rd = 0;
431 pbi->allocated_decoding_thread_count = 0;
432 core_count = (pbi->max_threads > 16) ? 16 : pbi->max_threads;
433
434 if (core_count > 1)
435 {
436 pbi->b_multithreaded_rd = 1;
437 pbi->decoding_thread_count = core_count -1;
438
439 CHECK_MEM_ERROR(pbi->h_decoding_thread, vpx_malloc(sizeof(pthread_t) * pbi->decoding_thread_count));
440 CHECK_MEM_ERROR(pbi->h_event_start_decoding, vpx_malloc(sizeof(sem_t) * pbi->decoding_thread_count));
441 CHECK_MEM_ERROR(pbi->mb_row_di, vpx_memalign(32, sizeof(MB_ROW_DEC) * pbi->decoding_thread_count));
442 vpx_memset(pbi->mb_row_di, 0, sizeof(MB_ROW_DEC) * pbi->decoding_thread_count);
443 CHECK_MEM_ERROR(pbi->de_thread_data, vpx_malloc(sizeof(DECODETHREAD_DATA) * pbi->decoding_thread_count));
444
445 for (ithread = 0; ithread < pbi->decoding_thread_count; ithread++)
446 {
447 sem_init(&pbi->h_event_start_decoding[ithread], 0, 0);
448
449 pbi->de_thread_data[ithread].ithread = ithread;
450 pbi->de_thread_data[ithread].ptr1 = (void *)pbi;
451 pbi->de_thread_data[ithread].ptr2 = (void *) &pbi->mb_row_di[ithread];
452
453 pthread_create(&pbi->h_decoding_thread[ithread], 0, thread_decoding_proc, (&pbi->de_thread_data[ithread]));
454 }
455
456 sem_init(&pbi->h_event_end_decoding, 0, 0);
457
458 pbi->allocated_decoding_thread_count = pbi->decoding_thread_count;
459 }
460 }
461
462
463 void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows)
464 {
465 VP8_COMMON *const pc = & pbi->common;
466 int i;
467
468 if (pbi->b_multithreaded_rd)
469 {
470 vpx_free(pbi->mt_current_mb_col);
471 pbi->mt_current_mb_col = NULL ;
472
473 /* Free above_row buffers. */
474 if (pbi->mt_yabove_row)
475 {
476 for (i=0; i< mb_rows; i++)
477 {
478 vpx_free(pbi->mt_yabove_row[i]);
479 pbi->mt_yabove_row[i] = NULL ;
480 }
481 vpx_free(pbi->mt_yabove_row);
482 pbi->mt_yabove_row = NULL ;
483 }
484
485 if (pbi->mt_uabove_row)
486 {
487 for (i=0; i< mb_rows; i++)
488 {
489 vpx_free(pbi->mt_uabove_row[i]);
490 pbi->mt_uabove_row[i] = NULL ;
491 }
492 vpx_free(pbi->mt_uabove_row);
493 pbi->mt_uabove_row = NULL ;
494 }
495
496 if (pbi->mt_vabove_row)
497 {
498 for (i=0; i< mb_rows; i++)
499 {
500 vpx_free(pbi->mt_vabove_row[i]);
501 pbi->mt_vabove_row[i] = NULL ;
502 }
503 vpx_free(pbi->mt_vabove_row);
504 pbi->mt_vabove_row = NULL ;
505 }
506
507 /* Free left_col buffers. */
508 if (pbi->mt_yleft_col)
509 {
510 for (i=0; i< mb_rows; i++)
511 {
512 vpx_free(pbi->mt_yleft_col[i]);
513 pbi->mt_yleft_col[i] = NULL ;
514 }
515 vpx_free(pbi->mt_yleft_col);
516 pbi->mt_yleft_col = NULL ;
517 }
518
519 if (pbi->mt_uleft_col)
520 {
521 for (i=0; i< mb_rows; i++)
522 {
523 vpx_free(pbi->mt_uleft_col[i]);
524 pbi->mt_uleft_col[i] = NULL ;
525 }
526 vpx_free(pbi->mt_uleft_col);
527 pbi->mt_uleft_col = NULL ;
528 }
529
530 if (pbi->mt_vleft_col)
531 {
532 for (i=0; i< mb_rows; i++)
533 {
534 vpx_free(pbi->mt_vleft_col[i]);
535 pbi->mt_vleft_col[i] = NULL ;
536 }
537 vpx_free(pbi->mt_vleft_col);
538 pbi->mt_vleft_col = NULL ;
539 }
540 }
541 }
542
543
544 void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows)
545 {
546 VP8_COMMON *const pc = & pbi->common;
547 int i;
548 int uv_width;
549
550 if (pbi->b_multithreaded_rd)
551 {
552 vp8mt_de_alloc_temp_buffers(pbi, prev_mb_rows);
553
554 /* our internal buffers are always multiples of 16 */
555 if ((width & 0xf) != 0)
556 width += 16 - (width & 0xf);
557
558 if (width < 640) pbi->sync_range = 1;
559 else if (width <= 1280) pbi->sync_range = 8;
560 else if (width <= 2560) pbi->sync_range =16;
561 else pbi->sync_range = 32;
562
563 uv_width = width >>1;
564
565 /* Allocate an int for each mb row. */
566 CHECK_MEM_ERROR(pbi->mt_current_mb_col, vpx_malloc(sizeof(int) * pc->mb_rows));
567
568 /* Allocate memory for above_row buffers. */
569 CHECK_MEM_ERROR(pbi->mt_yabove_row, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
570 for (i=0; i< pc->mb_rows; i++)
571 CHECK_MEM_ERROR(pbi->mt_yabove_row[i], vpx_calloc(sizeof(unsigned char) * (width + (VP8BORDERINPIXELS<<1)), 1));
572
573 CHECK_MEM_ERROR(pbi->mt_uabove_row, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
574 for (i=0; i< pc->mb_rows; i++)
575 CHECK_MEM_ERROR(pbi->mt_uabove_row[i], vpx_calloc(sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS), 1));
576
577 CHECK_MEM_ERROR(pbi->mt_vabove_row, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
578 for (i=0; i< pc->mb_rows; i++)
579 CHECK_MEM_ERROR(pbi->mt_vabove_row[i], vpx_calloc(sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS), 1));
580
581 /* Allocate memory for left_col buffers. */
582 CHECK_MEM_ERROR(pbi->mt_yleft_col, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
583 for (i=0; i< pc->mb_rows; i++)
584 CHECK_MEM_ERROR(pbi->mt_yleft_col[i], vpx_calloc(sizeof(unsigned char) * 16, 1));
585
586 CHECK_MEM_ERROR(pbi->mt_uleft_col, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
587 for (i=0; i< pc->mb_rows; i++)
588 CHECK_MEM_ERROR(pbi->mt_uleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1));
589
590 CHECK_MEM_ERROR(pbi->mt_vleft_col, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
591 for (i=0; i< pc->mb_rows; i++)
592 CHECK_MEM_ERROR(pbi->mt_vleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1));
593 }
594 }
595
596
597 void vp8_decoder_remove_threads(VP8D_COMP *pbi)
598 {
599 /* shutdown MB Decoding thread; */
600 if (pbi->b_multithreaded_rd)
601 {
602 int i;
603
604 pbi->b_multithreaded_rd = 0;
605
606 /* allow all threads to exit */
607 for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
608 {
609 sem_post(&pbi->h_event_start_decoding[i]);
610 pthread_join(pbi->h_decoding_thread[i], NULL);
611 }
612
613 for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
614 {
615 sem_destroy(&pbi->h_event_start_decoding[i]);
616 }
617
618 sem_destroy(&pbi->h_event_end_decoding);
619
620 vpx_free(pbi->h_decoding_thread);
621 pbi->h_decoding_thread = NULL;
622
623 vpx_free(pbi->h_event_start_decoding);
624 pbi->h_event_start_decoding = NULL;
625
626 vpx_free(pbi->mb_row_di);
627 pbi->mb_row_di = NULL ;
628
629 vpx_free(pbi->de_thread_data);
630 pbi->de_thread_data = NULL;
631 }
632 }
633
634
635 static void lpf_init( VP8D_COMP *pbi, int default_filt_lvl)
636 {
637 VP8_COMMON *cm = &pbi->common;
638 MACROBLOCKD *mbd = &pbi->mb;
639 /*YV12_BUFFER_CONFIG *post = &cm->new_frame;*/ /*frame_to_show;*/
640 loop_filter_info *lfi = cm->lf_info;
641 FRAME_TYPE frame_type = cm->frame_type;
642
643 /*int mb_row;
644 int mb_col;
645 int baseline_filter_level[MAX_MB_SEGMENTS];*/
646 int alt_flt_enabled = mbd->segmentation_enabled;
647
648 int i;
649 /*unsigned char *y_ptr, *u_ptr, *v_ptr;*/
650
651 /* Note the baseline filter values for each segment */
652 if (alt_flt_enabled)
653 {
654 for (i = 0; i < MAX_MB_SEGMENTS; i++)
655 {
656 /* Abs value */
657 if (mbd->mb_segement_abs_delta == SEGMENT_ABSDATA)
658 pbi->mt_baseline_filter_level[i] = mbd->segment_feature_data[MB_LVL_ALT_LF][i];
659 /* Delta Value */
660 else
661 {
662 pbi->mt_baseline_filter_level[i] = default_filt_lvl + mbd->segment_feature_data[MB_LVL_ALT_LF][i];
663 pbi->mt_baseline_filter_level[i] = (pbi->mt_baseline_filter_level[i] >= 0) ? ((pbi->mt_baseline_filter_level[i] <= MAX_LOOP_FILTER) ? pbi->mt_baseline_filter_level[i] : MAX_LOOP_FILTER) : 0; /* Clamp to valid range */
664 }
665 }
666 }
667 else
668 {
669 for (i = 0; i < MAX_MB_SEGMENTS; i++)
670 pbi->mt_baseline_filter_level[i] = default_filt_lvl;
671 }
672
673 /* Initialize the loop filter for this frame. */
674 if ((cm->last_filter_type != cm->filter_type) || (cm->last_sharpness_level != cm->sharpness_level))
675 vp8_init_loop_filter(cm);
676 else if (frame_type != cm->last_frame_type)
677 vp8_frame_init_loop_filter(lfi, frame_type);
678 }
679
680
681 void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd)
682 {
683 int mb_row;
684 VP8_COMMON *pc = &pbi->common;
685
686 int ibc = 0;
687 int num_part = 1 << pbi->common.multi_token_partition;
688 int i;
689 volatile int *last_row_current_mb_col = NULL;
690 int nsync = pbi->sync_range;
691
692 int filter_level;
693 loop_filter_info *lfi = pc->lf_info;
694 int alt_flt_enabled = xd->segmentation_enabled;
695 int Segment;
696
697 if(pbi->common.filter_level)
698 {
699 /* Set above_row buffer to 127 for decoding first MB row */
700 vpx_memset(pbi->mt_yabove_row[0] + VP8BORDERINPIXELS-1, 127, pc->yv12_fb[pc->lst_fb_idx].y_width + 5);
701 vpx_memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (pc->yv12_fb[pc->lst_fb_idx].y_width>>1) +5);
702 vpx_memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (pc->yv12_fb[pc->lst_fb_idx].y_width>>1) +5);
703
704 for (i=1; i<pc->mb_rows; i++)
705 {
706 vpx_memset(pbi->mt_yabove_row[i] + VP8BORDERINPIXELS-1, (unsigned char)129, 1);
707 vpx_memset(pbi->mt_uabove_row[i] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
708 vpx_memset(pbi->mt_vabove_row[i] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
709 }
710
711 /* Set left_col to 129 initially */
712 for (i=0; i<pc->mb_rows; i++)
713 {
714 vpx_memset(pbi->mt_yleft_col[i], (unsigned char)129, 16);
715 vpx_memset(pbi->mt_uleft_col[i], (unsigned char)129, 8);
716 vpx_memset(pbi->mt_vleft_col[i], (unsigned char)129, 8);
717 }
718 lpf_init(pbi, pc->filter_level);
719 }
720
721 setup_decoding_thread_data(pbi, xd, pbi->mb_row_di, pbi->decoding_thread_count);
722
723 for (i = 0; i < pbi->decoding_thread_count; i++)
724 sem_post(&pbi->h_event_start_decoding[i]);
725
726 for (mb_row = 0; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1))
727 {
728
729 xd->current_bc = &pbi->mbc[mb_row%num_part];
730
731 /* vp8_decode_mb_row(pbi, pc, mb_row, xd); */
732 {
733 int i;
734 int recon_yoffset, recon_uvoffset;
735 int mb_col;
736 int ref_fb_idx = pc->lst_fb_idx;
737 int dst_fb_idx = pc->new_fb_idx;
738 int recon_y_stride = pc->yv12_fb[ref_fb_idx].y_stride;
739 int recon_uv_stride = pc->yv12_fb[ref_fb_idx].uv_stride;
740
741 /* volatile int *last_row_current_mb_col = NULL; */
742 if (mb_row > 0)
743 last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1];
744
745 vpx_memset(&pc->left_context, 0, sizeof(pc->left_context));
746 recon_yoffset = mb_row * recon_y_stride * 16;
747 recon_uvoffset = mb_row * recon_uv_stride * 8;
748 /* reset above block coeffs */
749
750 xd->above_context = pc->above_context;
751 xd->up_available = (mb_row != 0);
752
753 xd->mb_to_top_edge = -((mb_row * 16)) << 3;
754 xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3;
755
756 for (mb_col = 0; mb_col < pc->mb_cols; mb_col++)
757 {
758 if ( mb_row > 0 && (mb_col & (nsync-1)) == 0){
759 while (mb_col > (*last_row_current_mb_col - nsync) && *last_row_current_mb_col != pc->mb_cols - 1)
760 {
761 x86_pause_hint();
762 thread_sleep(0);
763 }
764 }
765
766 if (xd->mode_info_context->mbmi.mode == SPLITMV || xd->mode_info_context->mbmi.mode == B_PRED)
767 {
768 for (i = 0; i < 16; i++)
769 {
770 BLOCKD *d = &xd->block[i];
771 vpx_memcpy(&d->bmi, &xd->mode_info_context->bmi[i], sizeof(B_MODE_INFO));
772 }
773 }
774
775 /* Distance of Mb to the various image edges.
776 * These are specified to 8th pel as they are always compared to values that are in 1/8th pel units
777 */
778 xd->mb_to_left_edge = -((mb_col * 16) << 3);
779 xd->mb_to_right_edge = ((pc->mb_cols - 1 - mb_col) * 16) << 3;
780
781 xd->dst.y_buffer = pc->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
782 xd->dst.u_buffer = pc->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
783 xd->dst.v_buffer = pc->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
784
785 xd->left_available = (mb_col != 0);
786
787 /* Select the appropriate reference frame for this MB */
788 if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)
789 ref_fb_idx = pc->lst_fb_idx;
790 else if (xd->mode_info_context->mbmi.ref_frame == GOLDEN_FRAME)
791 ref_fb_idx = pc->gld_fb_idx;
792 else
793 ref_fb_idx = pc->alt_fb_idx;
794
795 xd->pre.y_buffer = pc->yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;
796 xd->pre.u_buffer = pc->yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
797 xd->pre.v_buffer = pc->yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
798
799 if (xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME)
800 {
801 /* propagate errors from reference frames */
802 xd->corrupted |= pc->yv12_fb[ref_fb_idx].corrupted;
803 }
804
805 vp8_build_uvmvs(xd, pc->full_pixel);
806 decode_macroblock(pbi, xd, mb_row, mb_col);
807
808 /* check if the boolean decoder has suffered an error */
809 xd->corrupted |= vp8dx_bool_error(xd->current_bc);
810
811 if (pbi->common.filter_level)
812 {
813 /* Save decoded MB last row data for next-row decoding */
814 if(mb_row != pc->mb_rows-1)
815 {
816 vpx_memcpy((pbi->mt_yabove_row[mb_row +1] + 32 + mb_col*16), (xd->dst.y_buffer + 15 * recon_y_stride), 16);
817 vpx_memcpy((pbi->mt_uabove_row[mb_row +1] + 16 + mb_col*8), (xd->dst.u_buffer + 7 * recon_uv_stride), 8);
818 vpx_memcpy((pbi->mt_vabove_row[mb_row +1] + 16 + mb_col*8), (xd->dst.v_buffer + 7 * recon_uv_stride), 8);
819 }
820
821 /* save left_col for next MB decoding */
822 if(mb_col != pc->mb_cols-1)
823 {
824 MODE_INFO *next = xd->mode_info_context +1;
825
826 if (xd->frame_type == KEY_FRAME || next->mbmi.ref_frame == INTRA_FRAME)
827 {
828 for (i = 0; i < 16; i++)
829 pbi->mt_yleft_col[mb_row][i] = xd->dst.y_buffer [i* recon_y_stride + 15];
830 for (i = 0; i < 8; i++)
831 {
832 pbi->mt_uleft_col[mb_row][i] = xd->dst.u_buffer [i* recon_uv_stride + 7];
833 pbi->mt_vleft_col[mb_row][i] = xd->dst.v_buffer [i* recon_uv_stride + 7];
834 }
835 }
836 }
837
838 /* update loopfilter info */
839 Segment = (alt_flt_enabled) ? xd->mode_info_context->mbmi.segment_id : 0;
840 filter_level = pbi->mt_baseline_filter_level[Segment];
841 /* Distance of Mb to the various image edges.
842 * These are specified to 8th pel as they are always compared to values that are in 1/8th pel units
843 * Apply any context driven MB level adjustment
844 */
845 filter_level = vp8_adjust_mb_lf_value(xd, filter_level);
846
847 /* loopfilter on this macroblock. */
848 if (filter_level)
849 {
850 if (mb_col > 0)
851 pc->lf_mbv(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
852
853 if (xd->mode_info_context->mbmi.dc_diff > 0)
854 pc->lf_bv(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
855
856 /* don't apply across umv border */
857 if (mb_row > 0)
858 pc->lf_mbh(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
859
860 if (xd->mode_info_context->mbmi.dc_diff > 0)
861 pc->lf_bh(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);
862 }
863 }
864
865 recon_yoffset += 16;
866 recon_uvoffset += 8;
867
868 ++xd->mode_info_context; /* next mb */
869
870 xd->above_context++;
871
872 pbi->mt_current_mb_col[mb_row] = mb_col;
873 }
874
875 /* adjust to the next row of mbs */
876 if (pbi->common.filter_level)
877 {
878 if(mb_row != pc->mb_rows-1)
879 {
880 int lasty = pc->yv12_fb[ref_fb_idx].y_width + VP8BORDERINPIXELS;
881 int lastuv = (pc->yv12_fb[ref_fb_idx].y_width>>1) + (VP8BORDERINPIXELS>>1);
882
883 for (i = 0; i < 4; i++)
884 {
885 pbi->mt_yabove_row[mb_row +1][lasty + i] = pbi->mt_yabove_row[mb_row +1][lasty -1];
886 pbi->mt_uabove_row[mb_row +1][lastuv + i] = pbi->mt_uabove_row[mb_row +1][lastuv -1];
887 pbi->mt_vabove_row[mb_row +1][lastuv + i] = pbi->mt_vabove_row[mb_row +1][lastuv -1];
888 }
889 }
890 }else
891 vp8_extend_mb_row(&pc->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16, xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
892
893 ++xd->mode_info_context; /* skip prediction column */
894 }
895 xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count;
896 }
897
898 sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */
899 }
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