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 "onyx_int.h"
12 #include "vp8/common/threading.h"
13 #include "vp8/common/common.h"
14 #include "vp8/common/extend.h"
15 #include "bitstream.h"
16 #include "encodeframe.h"
17
18 #if CONFIG_MULTITHREAD
19
20 extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x, int ok_to_skip);
21
thread_loopfilter(void * p_data)22 static THREAD_FUNCTION thread_loopfilter(void *p_data)
23 {
24 VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1);
25 VP8_COMMON *cm = &cpi->common;
26
27 while (1)
28 {
29 if (cpi->b_multi_threaded == 0)
30 break;
31
32 if (sem_wait(&cpi->h_event_start_lpf) == 0)
33 {
34 if (cpi->b_multi_threaded == 0) /* we're shutting down */
35 break;
36
37 vp8_loopfilter_frame(cpi, cm);
38
39 sem_post(&cpi->h_event_end_lpf);
40 }
41 }
42
43 return 0;
44 }
45
46 static
thread_encoding_proc(void * p_data)47 THREAD_FUNCTION thread_encoding_proc(void *p_data)
48 {
49 int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;
50 VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);
51 MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);
52 ENTROPY_CONTEXT_PLANES mb_row_left_context;
53
54 while (1)
55 {
56 if (cpi->b_multi_threaded == 0)
57 break;
58
59 if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0)
60 {
61 const int nsync = cpi->mt_sync_range;
62 VP8_COMMON *cm = &cpi->common;
63 int mb_row;
64 MACROBLOCK *x = &mbri->mb;
65 MACROBLOCKD *xd = &x->e_mbd;
66 TOKENEXTRA *tp ;
67 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
68 TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24);
69 const int num_part = (1 << cm->multi_token_partition);
70 #endif
71
72 int *segment_counts = mbri->segment_counts;
73 int *totalrate = &mbri->totalrate;
74
75 if (cpi->b_multi_threaded == 0) /* we're shutting down */
76 break;
77
78 for (mb_row = ithread + 1; mb_row < cm->mb_rows; mb_row += (cpi->encoding_thread_count + 1))
79 {
80
81 int recon_yoffset, recon_uvoffset;
82 int mb_col;
83 int ref_fb_idx = cm->lst_fb_idx;
84 int dst_fb_idx = cm->new_fb_idx;
85 int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
86 int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
87 int map_index = (mb_row * cm->mb_cols);
88 volatile const int *last_row_current_mb_col;
89 volatile int *current_mb_col = &cpi->mt_current_mb_col[mb_row];
90
91 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
92 vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)];
93 #else
94 tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));
95 cpi->tplist[mb_row].start = tp;
96 #endif
97
98 last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
99
100 /* reset above block coeffs */
101 xd->above_context = cm->above_context;
102 xd->left_context = &mb_row_left_context;
103
104 vp8_zero(mb_row_left_context);
105
106 xd->up_available = (mb_row != 0);
107 recon_yoffset = (mb_row * recon_y_stride * 16);
108 recon_uvoffset = (mb_row * recon_uv_stride * 8);
109
110 /* Set the mb activity pointer to the start of the row. */
111 x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
112
113 /* for each macroblock col in image */
114 for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
115 {
116 *current_mb_col = mb_col - 1;
117
118 if ((mb_col & (nsync - 1)) == 0)
119 {
120 while (mb_col > (*last_row_current_mb_col - nsync))
121 {
122 x86_pause_hint();
123 thread_sleep(0);
124 }
125 }
126
127 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
128 tp = tp_start;
129 #endif
130
131 /* Distance of Mb to the various image edges.
132 * These specified to 8th pel as they are always compared
133 * to values that are in 1/8th pel units
134 */
135 xd->mb_to_left_edge = -((mb_col * 16) << 3);
136 xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
137 xd->mb_to_top_edge = -((mb_row * 16) << 3);
138 xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
139
140 /* Set up limit values for motion vectors used to prevent
141 * them extending outside the UMV borders
142 */
143 x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
144 x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
145 x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
146 x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
147
148 xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
149 xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
150 xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
151 xd->left_available = (mb_col != 0);
152
153 x->rddiv = cpi->RDDIV;
154 x->rdmult = cpi->RDMULT;
155
156 /* Copy current mb to a buffer */
157 vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
158
159 if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
160 vp8_activity_masking(cpi, x);
161
162 /* Is segmentation enabled */
163 /* MB level adjustment to quantizer */
164 if (xd->segmentation_enabled)
165 {
166 /* Code to set segment id in xd->mbmi.segment_id for
167 * current MB (with range checking)
168 */
169 if (cpi->segmentation_map[map_index + mb_col] <= 3)
170 xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[map_index + mb_col];
171 else
172 xd->mode_info_context->mbmi.segment_id = 0;
173
174 vp8cx_mb_init_quantizer(cpi, x, 1);
175 }
176 else
177 /* Set to Segment 0 by default */
178 xd->mode_info_context->mbmi.segment_id = 0;
179
180 x->active_ptr = cpi->active_map + map_index + mb_col;
181
182 if (cm->frame_type == KEY_FRAME)
183 {
184 *totalrate += vp8cx_encode_intra_macroblock(cpi, x, &tp);
185 #ifdef MODE_STATS
186 y_modes[xd->mbmi.mode] ++;
187 #endif
188 }
189 else
190 {
191 *totalrate += vp8cx_encode_inter_macroblock(cpi, x, &tp, recon_yoffset, recon_uvoffset, mb_row, mb_col);
192
193 #ifdef MODE_STATS
194 inter_y_modes[xd->mbmi.mode] ++;
195
196 if (xd->mbmi.mode == SPLITMV)
197 {
198 int b;
199
200 for (b = 0; b < xd->mbmi.partition_count; b++)
201 {
202 inter_b_modes[x->partition->bmi[b].mode] ++;
203 }
204 }
205
206 #endif
207 // Keep track of how many (consecutive) times a block
208 // is coded as ZEROMV_LASTREF, for base layer frames.
209 // Reset to 0 if its coded as anything else.
210 if (cpi->current_layer == 0) {
211 if (xd->mode_info_context->mbmi.mode == ZEROMV &&
212 xd->mode_info_context->mbmi.ref_frame ==
213 LAST_FRAME) {
214 // Increment, check for wrap-around.
215 if (cpi->consec_zero_last[map_index+mb_col] < 255)
216 cpi->consec_zero_last[map_index+mb_col] += 1;
217 if (cpi->consec_zero_last_mvbias[map_index+mb_col] < 255)
218 cpi->consec_zero_last_mvbias[map_index+mb_col] += 1;
219 } else {
220 cpi->consec_zero_last[map_index+mb_col] = 0;
221 cpi->consec_zero_last_mvbias[map_index+mb_col] = 0;
222 }
223 if (x->zero_last_dot_suppress)
224 cpi->consec_zero_last_mvbias[map_index+mb_col] = 0;
225 }
226
227 /* Special case code for cyclic refresh
228 * If cyclic update enabled then copy
229 * xd->mbmi.segment_id; (which may have been updated
230 * based on mode during
231 * vp8cx_encode_inter_macroblock()) back into the
232 * global segmentation map
233 */
234 if ((cpi->current_layer == 0) &&
235 (cpi->cyclic_refresh_mode_enabled &&
236 xd->segmentation_enabled))
237 {
238 const MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
239 cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id;
240
241 /* If the block has been refreshed mark it as clean
242 * (the magnitude of the -ve influences how long it
243 * will be before we consider another refresh):
244 * Else if it was coded (last frame 0,0) and has
245 * not already been refreshed then mark it as a
246 * candidate for cleanup next time (marked 0) else
247 * mark it as dirty (1).
248 */
249 if (mbmi->segment_id)
250 cpi->cyclic_refresh_map[map_index + mb_col] = -1;
251 else if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME))
252 {
253 if (cpi->cyclic_refresh_map[map_index + mb_col] == 1)
254 cpi->cyclic_refresh_map[map_index + mb_col] = 0;
255 }
256 else
257 cpi->cyclic_refresh_map[map_index + mb_col] = 1;
258
259 }
260 }
261
262 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
263 /* pack tokens for this MB */
264 {
265 int tok_count = tp - tp_start;
266 vp8_pack_tokens(w, tp_start, tok_count);
267 }
268 #else
269 cpi->tplist[mb_row].stop = tp;
270 #endif
271 /* Increment pointer into gf usage flags structure. */
272 x->gf_active_ptr++;
273
274 /* Increment the activity mask pointers. */
275 x->mb_activity_ptr++;
276
277 /* adjust to the next column of macroblocks */
278 x->src.y_buffer += 16;
279 x->src.u_buffer += 8;
280 x->src.v_buffer += 8;
281
282 recon_yoffset += 16;
283 recon_uvoffset += 8;
284
285 /* Keep track of segment usage */
286 segment_counts[xd->mode_info_context->mbmi.segment_id]++;
287
288 /* skip to next mb */
289 xd->mode_info_context++;
290 x->partition_info++;
291 xd->above_context++;
292 }
293
294 vp8_extend_mb_row( &cm->yv12_fb[dst_fb_idx],
295 xd->dst.y_buffer + 16,
296 xd->dst.u_buffer + 8,
297 xd->dst.v_buffer + 8);
298
299 *current_mb_col = mb_col + nsync;
300
301 /* this is to account for the border */
302 xd->mode_info_context++;
303 x->partition_info++;
304
305 x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols;
306 x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
307 x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
308
309 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
310 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
311 x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;
312
313 if (mb_row == cm->mb_rows - 1)
314 {
315 sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
316 }
317 }
318 }
319 }
320
321 /* printf("exit thread %d\n", ithread); */
322 return 0;
323 }
324
setup_mbby_copy(MACROBLOCK * mbdst,MACROBLOCK * mbsrc)325 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc)
326 {
327
328 MACROBLOCK *x = mbsrc;
329 MACROBLOCK *z = mbdst;
330 int i;
331
332 z->ss = x->ss;
333 z->ss_count = x->ss_count;
334 z->searches_per_step = x->searches_per_step;
335 z->errorperbit = x->errorperbit;
336
337 z->sadperbit16 = x->sadperbit16;
338 z->sadperbit4 = x->sadperbit4;
339
340 /*
341 z->mv_col_min = x->mv_col_min;
342 z->mv_col_max = x->mv_col_max;
343 z->mv_row_min = x->mv_row_min;
344 z->mv_row_max = x->mv_row_max;
345 */
346
347 z->short_fdct4x4 = x->short_fdct4x4;
348 z->short_fdct8x4 = x->short_fdct8x4;
349 z->short_walsh4x4 = x->short_walsh4x4;
350 z->quantize_b = x->quantize_b;
351 z->optimize = x->optimize;
352
353 /*
354 z->mvc = x->mvc;
355 z->src.y_buffer = x->src.y_buffer;
356 z->src.u_buffer = x->src.u_buffer;
357 z->src.v_buffer = x->src.v_buffer;
358 */
359
360 z->mvcost[0] = x->mvcost[0];
361 z->mvcost[1] = x->mvcost[1];
362 z->mvsadcost[0] = x->mvsadcost[0];
363 z->mvsadcost[1] = x->mvsadcost[1];
364
365 z->token_costs = x->token_costs;
366 z->inter_bmode_costs = x->inter_bmode_costs;
367 z->mbmode_cost = x->mbmode_cost;
368 z->intra_uv_mode_cost = x->intra_uv_mode_cost;
369 z->bmode_costs = x->bmode_costs;
370
371 for (i = 0; i < 25; i++)
372 {
373 z->block[i].quant = x->block[i].quant;
374 z->block[i].quant_fast = x->block[i].quant_fast;
375 z->block[i].quant_shift = x->block[i].quant_shift;
376 z->block[i].zbin = x->block[i].zbin;
377 z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost;
378 z->block[i].round = x->block[i].round;
379 z->block[i].src_stride = x->block[i].src_stride;
380 }
381
382 z->q_index = x->q_index;
383 z->act_zbin_adj = x->act_zbin_adj;
384 z->last_act_zbin_adj = x->last_act_zbin_adj;
385
386 {
387 MACROBLOCKD *xd = &x->e_mbd;
388 MACROBLOCKD *zd = &z->e_mbd;
389
390 /*
391 zd->mode_info_context = xd->mode_info_context;
392 zd->mode_info = xd->mode_info;
393
394 zd->mode_info_stride = xd->mode_info_stride;
395 zd->frame_type = xd->frame_type;
396 zd->up_available = xd->up_available ;
397 zd->left_available = xd->left_available;
398 zd->left_context = xd->left_context;
399 zd->last_frame_dc = xd->last_frame_dc;
400 zd->last_frame_dccons = xd->last_frame_dccons;
401 zd->gold_frame_dc = xd->gold_frame_dc;
402 zd->gold_frame_dccons = xd->gold_frame_dccons;
403 zd->mb_to_left_edge = xd->mb_to_left_edge;
404 zd->mb_to_right_edge = xd->mb_to_right_edge;
405 zd->mb_to_top_edge = xd->mb_to_top_edge ;
406 zd->mb_to_bottom_edge = xd->mb_to_bottom_edge;
407 zd->gf_active_ptr = xd->gf_active_ptr;
408 zd->frames_since_golden = xd->frames_since_golden;
409 zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame;
410 */
411 zd->subpixel_predict = xd->subpixel_predict;
412 zd->subpixel_predict8x4 = xd->subpixel_predict8x4;
413 zd->subpixel_predict8x8 = xd->subpixel_predict8x8;
414 zd->subpixel_predict16x16 = xd->subpixel_predict16x16;
415 zd->segmentation_enabled = xd->segmentation_enabled;
416 zd->mb_segement_abs_delta = xd->mb_segement_abs_delta;
417 memcpy(zd->segment_feature_data, xd->segment_feature_data,
418 sizeof(xd->segment_feature_data));
419
420 memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc));
421 memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1));
422 memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2));
423 memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv));
424
425 #if 1
426 /*TODO: Remove dequant from BLOCKD. This is a temporary solution until
427 * the quantizer code uses a passed in pointer to the dequant constants.
428 * This will also require modifications to the x86 and neon assembly.
429 * */
430 for (i = 0; i < 16; i++)
431 zd->block[i].dequant = zd->dequant_y1;
432 for (i = 16; i < 24; i++)
433 zd->block[i].dequant = zd->dequant_uv;
434 zd->block[24].dequant = zd->dequant_y2;
435 #endif
436
437
438 memcpy(z->rd_threshes, x->rd_threshes, sizeof(x->rd_threshes));
439 memcpy(z->rd_thresh_mult, x->rd_thresh_mult, sizeof(x->rd_thresh_mult));
440
441 z->zbin_over_quant = x->zbin_over_quant;
442 z->zbin_mode_boost_enabled = x->zbin_mode_boost_enabled;
443 z->zbin_mode_boost = x->zbin_mode_boost;
444
445 memset(z->error_bins, 0, sizeof(z->error_bins));
446 }
447 }
448
vp8cx_init_mbrthread_data(VP8_COMP * cpi,MACROBLOCK * x,MB_ROW_COMP * mbr_ei,int count)449 void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
450 MACROBLOCK *x,
451 MB_ROW_COMP *mbr_ei,
452 int count
453 )
454 {
455
456 VP8_COMMON *const cm = & cpi->common;
457 MACROBLOCKD *const xd = & x->e_mbd;
458 int i;
459
460 for (i = 0; i < count; i++)
461 {
462 MACROBLOCK *mb = & mbr_ei[i].mb;
463 MACROBLOCKD *mbd = &mb->e_mbd;
464
465 mbd->subpixel_predict = xd->subpixel_predict;
466 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;
467 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;
468 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;
469 mb->gf_active_ptr = x->gf_active_ptr;
470
471 memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
472 mbr_ei[i].totalrate = 0;
473
474 mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);
475
476 mbd->mode_info_context = cm->mi + x->e_mbd.mode_info_stride * (i + 1);
477 mbd->mode_info_stride = cm->mode_info_stride;
478
479 mbd->frame_type = cm->frame_type;
480
481 mb->src = * cpi->Source;
482 mbd->pre = cm->yv12_fb[cm->lst_fb_idx];
483 mbd->dst = cm->yv12_fb[cm->new_fb_idx];
484
485 mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);
486 mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1);
487 mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1);
488
489 vp8_build_block_offsets(mb);
490
491 mbd->left_context = &cm->left_context;
492 mb->mvc = cm->fc.mvc;
493
494 setup_mbby_copy(&mbr_ei[i].mb, x);
495
496 mbd->fullpixel_mask = 0xffffffff;
497 if(cm->full_pixel)
498 mbd->fullpixel_mask = 0xfffffff8;
499
500 vp8_zero(mb->coef_counts);
501 vp8_zero(x->ymode_count);
502 mb->skip_true_count = 0;
503 vp8_zero(mb->MVcount);
504 mb->prediction_error = 0;
505 mb->intra_error = 0;
506 vp8_zero(mb->count_mb_ref_frame_usage);
507 mb->mbs_tested_so_far = 0;
508 mb->mbs_zero_last_dot_suppress = 0;
509 }
510 }
511
vp8cx_create_encoder_threads(VP8_COMP * cpi)512 int vp8cx_create_encoder_threads(VP8_COMP *cpi)
513 {
514 const VP8_COMMON * cm = &cpi->common;
515
516 cpi->b_multi_threaded = 0;
517 cpi->encoding_thread_count = 0;
518 cpi->b_lpf_running = 0;
519
520 if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
521 {
522 int ithread;
523 int th_count = cpi->oxcf.multi_threaded - 1;
524 int rc = 0;
525
526 /* don't allocate more threads than cores available */
527 if (cpi->oxcf.multi_threaded > cm->processor_core_count)
528 th_count = cm->processor_core_count - 1;
529
530 /* we have th_count + 1 (main) threads processing one row each */
531 /* no point to have more threads than the sync range allows */
532 if(th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1))
533 {
534 th_count = (cm->mb_cols / cpi->mt_sync_range) - 1;
535 }
536
537 if(th_count == 0)
538 return 0;
539
540 CHECK_MEM_ERROR(cpi->h_encoding_thread,
541 vpx_malloc(sizeof(pthread_t) * th_count));
542 CHECK_MEM_ERROR(cpi->h_event_start_encoding,
543 vpx_malloc(sizeof(sem_t) * th_count));
544 CHECK_MEM_ERROR(cpi->mb_row_ei,
545 vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count));
546 memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count);
547 CHECK_MEM_ERROR(cpi->en_thread_data,
548 vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count));
549
550 sem_init(&cpi->h_event_end_encoding, 0, 0);
551
552 cpi->b_multi_threaded = 1;
553 cpi->encoding_thread_count = th_count;
554
555 /*
556 printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n",
557 (cpi->encoding_thread_count +1));
558 */
559
560 for (ithread = 0; ithread < th_count; ithread++)
561 {
562 ENCODETHREAD_DATA *ethd = &cpi->en_thread_data[ithread];
563
564 /* Setup block ptrs and offsets */
565 vp8_setup_block_ptrs(&cpi->mb_row_ei[ithread].mb);
566 vp8_setup_block_dptrs(&cpi->mb_row_ei[ithread].mb.e_mbd);
567
568 sem_init(&cpi->h_event_start_encoding[ithread], 0, 0);
569
570 ethd->ithread = ithread;
571 ethd->ptr1 = (void *)cpi;
572 ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread];
573
574 rc = pthread_create(&cpi->h_encoding_thread[ithread], 0,
575 thread_encoding_proc, ethd);
576 if(rc)
577 break;
578 }
579
580 if(rc)
581 {
582 /* shutdown other threads */
583 cpi->b_multi_threaded = 0;
584 for(--ithread; ithread >= 0; ithread--)
585 {
586 pthread_join(cpi->h_encoding_thread[ithread], 0);
587 sem_destroy(&cpi->h_event_start_encoding[ithread]);
588 }
589 sem_destroy(&cpi->h_event_end_encoding);
590
591 /* free thread related resources */
592 vpx_free(cpi->h_event_start_encoding);
593 vpx_free(cpi->h_encoding_thread);
594 vpx_free(cpi->mb_row_ei);
595 vpx_free(cpi->en_thread_data);
596
597 return -1;
598 }
599
600
601 {
602 LPFTHREAD_DATA * lpfthd = &cpi->lpf_thread_data;
603
604 sem_init(&cpi->h_event_start_lpf, 0, 0);
605 sem_init(&cpi->h_event_end_lpf, 0, 0);
606
607 lpfthd->ptr1 = (void *)cpi;
608 rc = pthread_create(&cpi->h_filter_thread, 0, thread_loopfilter,
609 lpfthd);
610
611 if(rc)
612 {
613 /* shutdown other threads */
614 cpi->b_multi_threaded = 0;
615 for(--ithread; ithread >= 0; ithread--)
616 {
617 sem_post(&cpi->h_event_start_encoding[ithread]);
618 pthread_join(cpi->h_encoding_thread[ithread], 0);
619 sem_destroy(&cpi->h_event_start_encoding[ithread]);
620 }
621 sem_destroy(&cpi->h_event_end_encoding);
622 sem_destroy(&cpi->h_event_end_lpf);
623 sem_destroy(&cpi->h_event_start_lpf);
624
625 /* free thread related resources */
626 vpx_free(cpi->h_event_start_encoding);
627 vpx_free(cpi->h_encoding_thread);
628 vpx_free(cpi->mb_row_ei);
629 vpx_free(cpi->en_thread_data);
630
631 return -2;
632 }
633 }
634 }
635 return 0;
636 }
637
vp8cx_remove_encoder_threads(VP8_COMP * cpi)638 void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
639 {
640 if (cpi->b_multi_threaded)
641 {
642 /* shutdown other threads */
643 cpi->b_multi_threaded = 0;
644 {
645 int i;
646
647 for (i = 0; i < cpi->encoding_thread_count; i++)
648 {
649 sem_post(&cpi->h_event_start_encoding[i]);
650 pthread_join(cpi->h_encoding_thread[i], 0);
651
652 sem_destroy(&cpi->h_event_start_encoding[i]);
653 }
654
655 sem_post(&cpi->h_event_start_lpf);
656 pthread_join(cpi->h_filter_thread, 0);
657 }
658
659 sem_destroy(&cpi->h_event_end_encoding);
660 sem_destroy(&cpi->h_event_end_lpf);
661 sem_destroy(&cpi->h_event_start_lpf);
662
663 /* free thread related resources */
664 vpx_free(cpi->h_event_start_encoding);
665 vpx_free(cpi->h_encoding_thread);
666 vpx_free(cpi->mb_row_ei);
667 vpx_free(cpi->en_thread_data);
668 }
669 }
670 #endif
671