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 #include "ethreading.h"
18
19 #if CONFIG_MULTITHREAD
20
21 extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x,
22 int ok_to_skip);
23
thread_loopfilter(void * p_data)24 static THREAD_FUNCTION thread_loopfilter(void *p_data) {
25 VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1);
26 VP8_COMMON *cm = &cpi->common;
27
28 while (1) {
29 if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
30
31 if (sem_wait(&cpi->h_event_start_lpf) == 0) {
32 /* we're shutting down */
33 if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
34
35 vp8_loopfilter_frame(cpi, cm);
36
37 sem_post(&cpi->h_event_end_lpf);
38 }
39 }
40
41 return 0;
42 }
43
thread_encoding_proc(void * p_data)44 static THREAD_FUNCTION thread_encoding_proc(void *p_data) {
45 int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;
46 VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);
47 MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);
48 ENTROPY_CONTEXT_PLANES mb_row_left_context;
49
50 while (1) {
51 if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
52
53 if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0) {
54 const int nsync = cpi->mt_sync_range;
55 VP8_COMMON *cm = &cpi->common;
56 int mb_row;
57 MACROBLOCK *x = &mbri->mb;
58 MACROBLOCKD *xd = &x->e_mbd;
59 TOKENEXTRA *tp;
60 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
61 TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24);
62 const int num_part = (1 << cm->multi_token_partition);
63 #endif
64
65 int *segment_counts = mbri->segment_counts;
66 int *totalrate = &mbri->totalrate;
67
68 /* we're shutting down */
69 if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
70
71 xd->mode_info_context = cm->mi + cm->mode_info_stride * (ithread + 1);
72 xd->mode_info_stride = cm->mode_info_stride;
73
74 for (mb_row = ithread + 1; mb_row < cm->mb_rows;
75 mb_row += (cpi->encoding_thread_count + 1)) {
76 int recon_yoffset, recon_uvoffset;
77 int mb_col;
78 int ref_fb_idx = cm->lst_fb_idx;
79 int dst_fb_idx = cm->new_fb_idx;
80 int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
81 int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
82 int map_index = (mb_row * cm->mb_cols);
83 const vpx_atomic_int *last_row_current_mb_col;
84 vpx_atomic_int *current_mb_col = &cpi->mt_current_mb_col[mb_row];
85
86 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
87 vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)];
88 #else
89 tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));
90 cpi->tplist[mb_row].start = tp;
91 #endif
92
93 last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
94
95 /* reset above block coeffs */
96 xd->above_context = cm->above_context;
97 xd->left_context = &mb_row_left_context;
98
99 vp8_zero(mb_row_left_context);
100
101 xd->up_available = (mb_row != 0);
102 recon_yoffset = (mb_row * recon_y_stride * 16);
103 recon_uvoffset = (mb_row * recon_uv_stride * 8);
104
105 /* Set the mb activity pointer to the start of the row. */
106 x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
107
108 /* for each macroblock col in image */
109 for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {
110 if (((mb_col - 1) % nsync) == 0) {
111 vpx_atomic_store_release(current_mb_col, mb_col - 1);
112 }
113
114 if (mb_row && !(mb_col & (nsync - 1))) {
115 vp8_atomic_spin_wait(mb_col, last_row_current_mb_col, nsync);
116 }
117
118 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
119 tp = tp_start;
120 #endif
121
122 /* Distance of Mb to the various image edges.
123 * These specified to 8th pel as they are always compared
124 * to values that are in 1/8th pel units
125 */
126 xd->mb_to_left_edge = -((mb_col * 16) << 3);
127 xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
128 xd->mb_to_top_edge = -((mb_row * 16) << 3);
129 xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
130
131 /* Set up limit values for motion vectors used to prevent
132 * them extending outside the UMV borders
133 */
134 x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
135 x->mv_col_max =
136 ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
137 x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
138 x->mv_row_max =
139 ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
140
141 xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
142 xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
143 xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
144 xd->left_available = (mb_col != 0);
145
146 x->rddiv = cpi->RDDIV;
147 x->rdmult = cpi->RDMULT;
148
149 /* Copy current mb to a buffer */
150 vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
151
152 if (cpi->oxcf.tuning == VP8_TUNE_SSIM) vp8_activity_masking(cpi, x);
153
154 /* Is segmentation enabled */
155 /* MB level adjustment to quantizer */
156 if (xd->segmentation_enabled) {
157 /* Code to set segment id in xd->mbmi.segment_id for
158 * current MB (with range checking)
159 */
160 if (cpi->segmentation_map[map_index + mb_col] <= 3) {
161 xd->mode_info_context->mbmi.segment_id =
162 cpi->segmentation_map[map_index + mb_col];
163 } else {
164 xd->mode_info_context->mbmi.segment_id = 0;
165 }
166
167 vp8cx_mb_init_quantizer(cpi, x, 1);
168 } else {
169 /* Set to Segment 0 by default */
170 xd->mode_info_context->mbmi.segment_id = 0;
171 }
172
173 x->active_ptr = cpi->active_map + map_index + mb_col;
174
175 if (cm->frame_type == KEY_FRAME) {
176 *totalrate += vp8cx_encode_intra_macroblock(cpi, x, &tp);
177 #ifdef MODE_STATS
178 y_modes[xd->mbmi.mode]++;
179 #endif
180 } else {
181 *totalrate += vp8cx_encode_inter_macroblock(
182 cpi, x, &tp, recon_yoffset, recon_uvoffset, mb_row, mb_col);
183
184 #ifdef MODE_STATS
185 inter_y_modes[xd->mbmi.mode]++;
186
187 if (xd->mbmi.mode == SPLITMV) {
188 int b;
189
190 for (b = 0; b < xd->mbmi.partition_count; ++b) {
191 inter_b_modes[x->partition->bmi[b].mode]++;
192 }
193 }
194
195 #endif
196 // Keep track of how many (consecutive) times a block
197 // is coded as ZEROMV_LASTREF, for base layer frames.
198 // Reset to 0 if its coded as anything else.
199 if (cpi->current_layer == 0) {
200 if (xd->mode_info_context->mbmi.mode == ZEROMV &&
201 xd->mode_info_context->mbmi.ref_frame == LAST_FRAME) {
202 // Increment, check for wrap-around.
203 if (cpi->consec_zero_last[map_index + mb_col] < 255) {
204 cpi->consec_zero_last[map_index + mb_col] += 1;
205 }
206 if (cpi->consec_zero_last_mvbias[map_index + mb_col] < 255) {
207 cpi->consec_zero_last_mvbias[map_index + mb_col] += 1;
208 }
209 } else {
210 cpi->consec_zero_last[map_index + mb_col] = 0;
211 cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;
212 }
213 if (x->zero_last_dot_suppress) {
214 cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;
215 }
216 }
217
218 /* Special case code for cyclic refresh
219 * If cyclic update enabled then copy
220 * xd->mbmi.segment_id; (which may have been updated
221 * based on mode during
222 * vp8cx_encode_inter_macroblock()) back into the
223 * global segmentation map
224 */
225 if ((cpi->current_layer == 0) &&
226 (cpi->cyclic_refresh_mode_enabled &&
227 xd->segmentation_enabled)) {
228 const MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
229 cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id;
230
231 /* If the block has been refreshed mark it as clean
232 * (the magnitude of the -ve influences how long it
233 * will be before we consider another refresh):
234 * Else if it was coded (last frame 0,0) and has
235 * not already been refreshed then mark it as a
236 * candidate for cleanup next time (marked 0) else
237 * mark it as dirty (1).
238 */
239 if (mbmi->segment_id) {
240 cpi->cyclic_refresh_map[map_index + mb_col] = -1;
241 } else if ((mbmi->mode == ZEROMV) &&
242 (mbmi->ref_frame == LAST_FRAME)) {
243 if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) {
244 cpi->cyclic_refresh_map[map_index + mb_col] = 0;
245 }
246 } else {
247 cpi->cyclic_refresh_map[map_index + mb_col] = 1;
248 }
249 }
250 }
251
252 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
253 /* pack tokens for this MB */
254 {
255 int tok_count = tp - tp_start;
256 vp8_pack_tokens(w, tp_start, tok_count);
257 }
258 #else
259 cpi->tplist[mb_row].stop = tp;
260 #endif
261 /* Increment pointer into gf usage flags structure. */
262 x->gf_active_ptr++;
263
264 /* Increment the activity mask pointers. */
265 x->mb_activity_ptr++;
266
267 /* adjust to the next column of macroblocks */
268 x->src.y_buffer += 16;
269 x->src.u_buffer += 8;
270 x->src.v_buffer += 8;
271
272 recon_yoffset += 16;
273 recon_uvoffset += 8;
274
275 /* Keep track of segment usage */
276 segment_counts[xd->mode_info_context->mbmi.segment_id]++;
277
278 /* skip to next mb */
279 xd->mode_info_context++;
280 x->partition_info++;
281 xd->above_context++;
282 }
283
284 vp8_extend_mb_row(&cm->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16,
285 xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
286
287 vpx_atomic_store_release(current_mb_col, mb_col + nsync);
288
289 /* this is to account for the border */
290 xd->mode_info_context++;
291 x->partition_info++;
292
293 x->src.y_buffer +=
294 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) -
295 16 * cm->mb_cols;
296 x->src.u_buffer +=
297 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -
298 8 * cm->mb_cols;
299 x->src.v_buffer +=
300 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -
301 8 * cm->mb_cols;
302
303 xd->mode_info_context +=
304 xd->mode_info_stride * cpi->encoding_thread_count;
305 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
306 x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;
307 }
308 /* Signal that this thread has completed processing its rows. */
309 sem_post(&cpi->h_event_end_encoding[ithread]);
310 }
311 }
312
313 /* printf("exit thread %d\n", ithread); */
314 return 0;
315 }
316
setup_mbby_copy(MACROBLOCK * mbdst,MACROBLOCK * mbsrc)317 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc) {
318 MACROBLOCK *x = mbsrc;
319 MACROBLOCK *z = mbdst;
320 int i;
321
322 z->ss = x->ss;
323 z->ss_count = x->ss_count;
324 z->searches_per_step = x->searches_per_step;
325 z->errorperbit = x->errorperbit;
326
327 z->sadperbit16 = x->sadperbit16;
328 z->sadperbit4 = x->sadperbit4;
329
330 /*
331 z->mv_col_min = x->mv_col_min;
332 z->mv_col_max = x->mv_col_max;
333 z->mv_row_min = x->mv_row_min;
334 z->mv_row_max = x->mv_row_max;
335 */
336
337 z->short_fdct4x4 = x->short_fdct4x4;
338 z->short_fdct8x4 = x->short_fdct8x4;
339 z->short_walsh4x4 = x->short_walsh4x4;
340 z->quantize_b = x->quantize_b;
341 z->optimize = x->optimize;
342
343 /*
344 z->mvc = x->mvc;
345 z->src.y_buffer = x->src.y_buffer;
346 z->src.u_buffer = x->src.u_buffer;
347 z->src.v_buffer = x->src.v_buffer;
348 */
349
350 z->mvcost[0] = x->mvcost[0];
351 z->mvcost[1] = x->mvcost[1];
352 z->mvsadcost[0] = x->mvsadcost[0];
353 z->mvsadcost[1] = x->mvsadcost[1];
354
355 z->token_costs = x->token_costs;
356 z->inter_bmode_costs = x->inter_bmode_costs;
357 z->mbmode_cost = x->mbmode_cost;
358 z->intra_uv_mode_cost = x->intra_uv_mode_cost;
359 z->bmode_costs = x->bmode_costs;
360
361 for (i = 0; i < 25; ++i) {
362 z->block[i].quant = x->block[i].quant;
363 z->block[i].quant_fast = x->block[i].quant_fast;
364 z->block[i].quant_shift = x->block[i].quant_shift;
365 z->block[i].zbin = x->block[i].zbin;
366 z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost;
367 z->block[i].round = x->block[i].round;
368 z->block[i].src_stride = x->block[i].src_stride;
369 }
370
371 z->q_index = x->q_index;
372 z->act_zbin_adj = x->act_zbin_adj;
373 z->last_act_zbin_adj = x->last_act_zbin_adj;
374
375 {
376 MACROBLOCKD *xd = &x->e_mbd;
377 MACROBLOCKD *zd = &z->e_mbd;
378
379 /*
380 zd->mode_info_context = xd->mode_info_context;
381 zd->mode_info = xd->mode_info;
382
383 zd->mode_info_stride = xd->mode_info_stride;
384 zd->frame_type = xd->frame_type;
385 zd->up_available = xd->up_available ;
386 zd->left_available = xd->left_available;
387 zd->left_context = xd->left_context;
388 zd->last_frame_dc = xd->last_frame_dc;
389 zd->last_frame_dccons = xd->last_frame_dccons;
390 zd->gold_frame_dc = xd->gold_frame_dc;
391 zd->gold_frame_dccons = xd->gold_frame_dccons;
392 zd->mb_to_left_edge = xd->mb_to_left_edge;
393 zd->mb_to_right_edge = xd->mb_to_right_edge;
394 zd->mb_to_top_edge = xd->mb_to_top_edge ;
395 zd->mb_to_bottom_edge = xd->mb_to_bottom_edge;
396 zd->gf_active_ptr = xd->gf_active_ptr;
397 zd->frames_since_golden = xd->frames_since_golden;
398 zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame;
399 */
400 zd->subpixel_predict = xd->subpixel_predict;
401 zd->subpixel_predict8x4 = xd->subpixel_predict8x4;
402 zd->subpixel_predict8x8 = xd->subpixel_predict8x8;
403 zd->subpixel_predict16x16 = xd->subpixel_predict16x16;
404 zd->segmentation_enabled = xd->segmentation_enabled;
405 zd->mb_segement_abs_delta = xd->mb_segement_abs_delta;
406 memcpy(zd->segment_feature_data, xd->segment_feature_data,
407 sizeof(xd->segment_feature_data));
408
409 memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc));
410 memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1));
411 memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2));
412 memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv));
413
414 #if 1
415 /*TODO: Remove dequant from BLOCKD. This is a temporary solution until
416 * the quantizer code uses a passed in pointer to the dequant constants.
417 * This will also require modifications to the x86 and neon assembly.
418 * */
419 for (i = 0; i < 16; ++i) zd->block[i].dequant = zd->dequant_y1;
420 for (i = 16; i < 24; ++i) zd->block[i].dequant = zd->dequant_uv;
421 zd->block[24].dequant = zd->dequant_y2;
422 #endif
423
424 memcpy(z->rd_threshes, x->rd_threshes, sizeof(x->rd_threshes));
425 memcpy(z->rd_thresh_mult, x->rd_thresh_mult, sizeof(x->rd_thresh_mult));
426
427 z->zbin_over_quant = x->zbin_over_quant;
428 z->zbin_mode_boost_enabled = x->zbin_mode_boost_enabled;
429 z->zbin_mode_boost = x->zbin_mode_boost;
430
431 memset(z->error_bins, 0, sizeof(z->error_bins));
432 }
433 }
434
vp8cx_init_mbrthread_data(VP8_COMP * cpi,MACROBLOCK * x,MB_ROW_COMP * mbr_ei,int count)435 void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x,
436 MB_ROW_COMP *mbr_ei, int count) {
437 VP8_COMMON *const cm = &cpi->common;
438 MACROBLOCKD *const xd = &x->e_mbd;
439 int i;
440
441 for (i = 0; i < count; ++i) {
442 MACROBLOCK *mb = &mbr_ei[i].mb;
443 MACROBLOCKD *mbd = &mb->e_mbd;
444
445 mbd->subpixel_predict = xd->subpixel_predict;
446 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;
447 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;
448 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;
449 mb->gf_active_ptr = x->gf_active_ptr;
450
451 memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
452 mbr_ei[i].totalrate = 0;
453
454 mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);
455
456 mbd->frame_type = cm->frame_type;
457
458 mb->src = *cpi->Source;
459 mbd->pre = cm->yv12_fb[cm->lst_fb_idx];
460 mbd->dst = cm->yv12_fb[cm->new_fb_idx];
461
462 mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);
463 mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1);
464 mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1);
465
466 vp8_build_block_offsets(mb);
467
468 mbd->left_context = &cm->left_context;
469 mb->mvc = cm->fc.mvc;
470
471 setup_mbby_copy(&mbr_ei[i].mb, x);
472
473 mbd->fullpixel_mask = 0xffffffff;
474 if (cm->full_pixel) mbd->fullpixel_mask = 0xfffffff8;
475
476 vp8_zero(mb->coef_counts);
477 vp8_zero(x->ymode_count);
478 mb->skip_true_count = 0;
479 vp8_zero(mb->MVcount);
480 mb->prediction_error = 0;
481 mb->intra_error = 0;
482 vp8_zero(mb->count_mb_ref_frame_usage);
483 mb->mbs_tested_so_far = 0;
484 mb->mbs_zero_last_dot_suppress = 0;
485 }
486 }
487
vp8cx_create_encoder_threads(VP8_COMP * cpi)488 int vp8cx_create_encoder_threads(VP8_COMP *cpi) {
489 const VP8_COMMON *cm = &cpi->common;
490
491 vpx_atomic_init(&cpi->b_multi_threaded, 0);
492 cpi->encoding_thread_count = 0;
493 cpi->b_lpf_running = 0;
494
495 if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1) {
496 int ithread;
497 int th_count = cpi->oxcf.multi_threaded - 1;
498 int rc = 0;
499
500 /* don't allocate more threads than cores available */
501 if (cpi->oxcf.multi_threaded > cm->processor_core_count) {
502 th_count = cm->processor_core_count - 1;
503 }
504
505 /* we have th_count + 1 (main) threads processing one row each */
506 /* no point to have more threads than the sync range allows */
507 if (th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1)) {
508 th_count = (cm->mb_cols / cpi->mt_sync_range) - 1;
509 }
510
511 if (th_count == 0) return 0;
512
513 CHECK_MEM_ERROR(cpi->h_encoding_thread,
514 vpx_malloc(sizeof(pthread_t) * th_count));
515 CHECK_MEM_ERROR(cpi->h_event_start_encoding,
516 vpx_malloc(sizeof(sem_t) * th_count));
517 CHECK_MEM_ERROR(cpi->h_event_end_encoding,
518 vpx_malloc(sizeof(sem_t) * th_count));
519 CHECK_MEM_ERROR(cpi->mb_row_ei,
520 vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count));
521 memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count);
522 CHECK_MEM_ERROR(cpi->en_thread_data,
523 vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count));
524
525 vpx_atomic_store_release(&cpi->b_multi_threaded, 1);
526 cpi->encoding_thread_count = th_count;
527
528 /*
529 printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n",
530 (cpi->encoding_thread_count +1));
531 */
532
533 for (ithread = 0; ithread < th_count; ++ithread) {
534 ENCODETHREAD_DATA *ethd = &cpi->en_thread_data[ithread];
535
536 /* Setup block ptrs and offsets */
537 vp8_setup_block_ptrs(&cpi->mb_row_ei[ithread].mb);
538 vp8_setup_block_dptrs(&cpi->mb_row_ei[ithread].mb.e_mbd);
539
540 sem_init(&cpi->h_event_start_encoding[ithread], 0, 0);
541 sem_init(&cpi->h_event_end_encoding[ithread], 0, 0);
542
543 ethd->ithread = ithread;
544 ethd->ptr1 = (void *)cpi;
545 ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread];
546
547 rc = pthread_create(&cpi->h_encoding_thread[ithread], 0,
548 thread_encoding_proc, ethd);
549 if (rc) break;
550 }
551
552 if (rc) {
553 /* shutdown other threads */
554 vpx_atomic_store_release(&cpi->b_multi_threaded, 0);
555 for (--ithread; ithread >= 0; ithread--) {
556 pthread_join(cpi->h_encoding_thread[ithread], 0);
557 sem_destroy(&cpi->h_event_start_encoding[ithread]);
558 sem_destroy(&cpi->h_event_end_encoding[ithread]);
559 }
560
561 /* free thread related resources */
562 vpx_free(cpi->h_event_start_encoding);
563 vpx_free(cpi->h_event_end_encoding);
564 vpx_free(cpi->h_encoding_thread);
565 vpx_free(cpi->mb_row_ei);
566 vpx_free(cpi->en_thread_data);
567
568 return -1;
569 }
570
571 {
572 LPFTHREAD_DATA *lpfthd = &cpi->lpf_thread_data;
573
574 sem_init(&cpi->h_event_start_lpf, 0, 0);
575 sem_init(&cpi->h_event_end_lpf, 0, 0);
576
577 lpfthd->ptr1 = (void *)cpi;
578 rc = pthread_create(&cpi->h_filter_thread, 0, thread_loopfilter, lpfthd);
579
580 if (rc) {
581 /* shutdown other threads */
582 vpx_atomic_store_release(&cpi->b_multi_threaded, 0);
583 for (--ithread; ithread >= 0; ithread--) {
584 sem_post(&cpi->h_event_start_encoding[ithread]);
585 sem_post(&cpi->h_event_end_encoding[ithread]);
586 pthread_join(cpi->h_encoding_thread[ithread], 0);
587 sem_destroy(&cpi->h_event_start_encoding[ithread]);
588 sem_destroy(&cpi->h_event_end_encoding[ithread]);
589 }
590 sem_destroy(&cpi->h_event_end_lpf);
591 sem_destroy(&cpi->h_event_start_lpf);
592
593 /* free thread related resources */
594 vpx_free(cpi->h_event_start_encoding);
595 vpx_free(cpi->h_event_end_encoding);
596 vpx_free(cpi->h_encoding_thread);
597 vpx_free(cpi->mb_row_ei);
598 vpx_free(cpi->en_thread_data);
599
600 return -2;
601 }
602 }
603 }
604 return 0;
605 }
606
vp8cx_remove_encoder_threads(VP8_COMP * cpi)607 void vp8cx_remove_encoder_threads(VP8_COMP *cpi) {
608 if (vpx_atomic_load_acquire(&cpi->b_multi_threaded)) {
609 /* shutdown other threads */
610 vpx_atomic_store_release(&cpi->b_multi_threaded, 0);
611 {
612 int i;
613
614 for (i = 0; i < cpi->encoding_thread_count; ++i) {
615 sem_post(&cpi->h_event_start_encoding[i]);
616 sem_post(&cpi->h_event_end_encoding[i]);
617
618 pthread_join(cpi->h_encoding_thread[i], 0);
619
620 sem_destroy(&cpi->h_event_start_encoding[i]);
621 sem_destroy(&cpi->h_event_end_encoding[i]);
622 }
623
624 sem_post(&cpi->h_event_start_lpf);
625 pthread_join(cpi->h_filter_thread, 0);
626 }
627
628 sem_destroy(&cpi->h_event_end_lpf);
629 sem_destroy(&cpi->h_event_start_lpf);
630
631 /* free thread related resources */
632 vpx_free(cpi->h_event_start_encoding);
633 vpx_free(cpi->h_event_end_encoding);
634 vpx_free(cpi->h_encoding_thread);
635 vpx_free(cpi->mb_row_ei);
636 vpx_free(cpi->en_thread_data);
637 }
638 }
639 #endif
640