2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
12 #include "threading.h"
16 extern int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
17 TOKENEXTRA **t, int recon_yoffset,
19 extern int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x,
21 extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
22 extern void vp8_build_block_offsets(MACROBLOCK *x);
23 extern void vp8_setup_block_ptrs(MACROBLOCK *x);
26 THREAD_FUNCTION thread_encoding_proc(void *p_data)
28 #if CONFIG_MULTITHREAD
29 int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;
30 VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);
31 MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);
32 ENTROPY_CONTEXT_PLANES mb_row_left_context;
34 const int nsync = cpi->mt_sync_range;
35 //printf("Started thread %d\n", ithread);
39 if (cpi->b_multi_threaded == 0)
42 //if(WaitForSingleObject(cpi->h_event_mbrencoding[ithread], INFINITE) == WAIT_OBJECT_0)
43 if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0)
45 VP8_COMMON *cm = &cpi->common;
47 MACROBLOCK *x = &mbri->mb;
48 MACROBLOCKD *xd = &x->e_mbd;
51 int *segment_counts = mbri->segment_counts;
52 int *totalrate = &mbri->totalrate;
54 if (cpi->b_multi_threaded == FALSE) // we're shutting down
57 for (mb_row = ithread + 1; mb_row < cm->mb_rows; mb_row += (cpi->encoding_thread_count + 1))
61 int recon_yoffset, recon_uvoffset;
63 int ref_fb_idx = cm->lst_fb_idx;
64 int dst_fb_idx = cm->new_fb_idx;
65 int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
66 int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
67 volatile int *last_row_current_mb_col;
68 INT64 activity_sum = 0;
70 tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));
72 last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
74 // reset above block coeffs
75 xd->above_context = cm->above_context;
76 xd->left_context = &mb_row_left_context;
78 vp8_zero(mb_row_left_context);
80 xd->up_available = (mb_row != 0);
81 recon_yoffset = (mb_row * recon_y_stride * 16);
82 recon_uvoffset = (mb_row * recon_uv_stride * 8);
84 cpi->tplist[mb_row].start = tp;
86 //printf("Thread mb_row = %d\n", mb_row);
88 // for each macroblock col in image
89 for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
91 int seg_map_index = (mb_row * cm->mb_cols);
93 if ((mb_col & (nsync - 1)) == 0)
95 while (mb_col > (*last_row_current_mb_col - nsync) && *last_row_current_mb_col != cm->mb_cols - 1)
102 // Distance of Mb to the various image edges.
103 // These specified to 8th pel as they are always compared to values that are in 1/8th pel units
104 xd->mb_to_left_edge = -((mb_col * 16) << 3);
105 xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
106 xd->mb_to_top_edge = -((mb_row * 16) << 3);
107 xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
109 // Set up limit values for motion vectors used to prevent them extending outside the UMV borders
110 x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
111 x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
112 x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
113 x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
115 xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
116 xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
117 xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
118 xd->left_available = (mb_col != 0);
120 x->rddiv = cpi->RDDIV;
121 x->rdmult = cpi->RDMULT;
123 if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
124 activity_sum += vp8_activity_masking(cpi, x);
126 // Is segmentation enabled
127 // MB level adjutment to quantizer
128 if (xd->segmentation_enabled)
130 // Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
131 if (cpi->segmentation_map[seg_map_index + mb_col] <= 3)
132 xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[seg_map_index + mb_col];
134 xd->mode_info_context->mbmi.segment_id = 0;
136 vp8cx_mb_init_quantizer(cpi, x);
139 xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
141 x->active_ptr = cpi->active_map + seg_map_index + mb_col;
143 if (cm->frame_type == KEY_FRAME)
145 *totalrate += vp8cx_encode_intra_macro_block(cpi, x, &tp);
147 y_modes[xd->mbmi.mode] ++;
152 *totalrate += vp8cx_encode_inter_macroblock(cpi, x, &tp, recon_yoffset, recon_uvoffset);
155 inter_y_modes[xd->mbmi.mode] ++;
157 if (xd->mbmi.mode == SPLITMV)
161 for (b = 0; b < xd->mbmi.partition_count; b++)
163 inter_b_modes[x->partition->bmi[b].mode] ++;
169 // Count of last ref frame 0,0 useage
170 if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
171 cpi->inter_zz_count++;
173 // Special case code for cyclic refresh
174 // If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
175 // during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
176 if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)
178 const MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
179 cpi->segmentation_map[seg_map_index + mb_col] = mbmi->segment_id;
181 // If the block has been refreshed mark it as clean (the magnitude of the -ve influences how long it will be before we consider another refresh):
182 // Else if it was coded (last frame 0,0) and has not already been refreshed then mark it as a candidate for cleanup next time (marked 0)
183 // else mark it as dirty (1).
184 if (mbmi->segment_id)
185 cpi->cyclic_refresh_map[seg_map_index + mb_col] = -1;
186 else if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME))
188 if (cpi->cyclic_refresh_map[seg_map_index + mb_col] == 1)
189 cpi->cyclic_refresh_map[seg_map_index + mb_col] = 0;
192 cpi->cyclic_refresh_map[seg_map_index + mb_col] = 1;
196 cpi->tplist[mb_row].stop = tp;
198 x->gf_active_ptr++; // Increment pointer into gf useage flags structure for next mb
200 for (i = 0; i < 16; i++)
201 vpx_memcpy(&xd->mode_info_context->bmi[i], &xd->block[i].bmi, sizeof(xd->block[i].bmi));
203 // adjust to the next column of macroblocks
204 x->src.y_buffer += 16;
205 x->src.u_buffer += 8;
206 x->src.v_buffer += 8;
211 // Keep track of segment useage
212 segment_counts[xd->mode_info_context->mbmi.segment_id]++;
215 xd->mode_info_context++;
219 cpi->mt_current_mb_col[mb_row] = mb_col;
222 //extend the recon for intra prediction
224 &cm->yv12_fb[dst_fb_idx],
225 xd->dst.y_buffer + 16,
226 xd->dst.u_buffer + 8,
227 xd->dst.v_buffer + 8);
229 // this is to account for the border
230 xd->mode_info_context++;
232 x->activity_sum += activity_sum;
234 x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols;
235 x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
236 x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
238 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
239 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
241 if (mb_row == cm->mb_rows - 1)
243 //SetEvent(cpi->h_event_main);
244 sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
254 //printf("exit thread %d\n", ithread);
258 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc)
261 MACROBLOCK *x = mbsrc;
262 MACROBLOCK *z = mbdst;
266 z->ss_count = x->ss_count;
267 z->searches_per_step = x->searches_per_step;
268 z->errorperbit = x->errorperbit;
270 z->sadperbit16 = x->sadperbit16;
271 z->sadperbit4 = x->sadperbit4;
272 z->errthresh = x->errthresh;
275 z->mv_col_min = x->mv_col_min;
276 z->mv_col_max = x->mv_col_max;
277 z->mv_row_min = x->mv_row_min;
278 z->mv_row_max = x->mv_row_max;
279 z->vector_range = x->vector_range ;
282 z->vp8_short_fdct4x4 = x->vp8_short_fdct4x4;
283 z->vp8_short_fdct8x4 = x->vp8_short_fdct8x4;
284 z->short_walsh4x4 = x->short_walsh4x4;
285 z->quantize_b = x->quantize_b;
286 z->optimize = x->optimize;
290 z->src.y_buffer = x->src.y_buffer;
291 z->src.u_buffer = x->src.u_buffer;
292 z->src.v_buffer = x->src.v_buffer;
296 vpx_memcpy(z->mvcosts, x->mvcosts, sizeof(x->mvcosts));
297 z->mvcost[0] = &z->mvcosts[0][mv_max+1];
298 z->mvcost[1] = &z->mvcosts[1][mv_max+1];
299 z->mvsadcost[0] = &z->mvsadcosts[0][mv_max+1];
300 z->mvsadcost[1] = &z->mvsadcosts[1][mv_max+1];
303 vpx_memcpy(z->token_costs, x->token_costs, sizeof(x->token_costs));
304 vpx_memcpy(z->inter_bmode_costs, x->inter_bmode_costs, sizeof(x->inter_bmode_costs));
305 //memcpy(z->mvcosts, x->mvcosts, sizeof(x->mvcosts));
306 //memcpy(z->mvcost, x->mvcost, sizeof(x->mvcost));
307 vpx_memcpy(z->mbmode_cost, x->mbmode_cost, sizeof(x->mbmode_cost));
308 vpx_memcpy(z->intra_uv_mode_cost, x->intra_uv_mode_cost, sizeof(x->intra_uv_mode_cost));
309 vpx_memcpy(z->bmode_costs, x->bmode_costs, sizeof(x->bmode_costs));
311 for (i = 0; i < 25; i++)
313 z->block[i].quant = x->block[i].quant;
314 z->block[i].quant_fast = x->block[i].quant_fast;
315 z->block[i].quant_shift = x->block[i].quant_shift;
316 z->block[i].zbin = x->block[i].zbin;
317 z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost;
318 z->block[i].round = x->block[i].round;
320 z->block[i].src = x->block[i].src;
322 z->block[i].src_stride = x->block[i].src_stride;
323 z->block[i].force_empty = x->block[i].force_empty;
328 MACROBLOCKD *xd = &x->e_mbd;
329 MACROBLOCKD *zd = &z->e_mbd;
332 zd->mode_info_context = xd->mode_info_context;
333 zd->mode_info = xd->mode_info;
335 zd->mode_info_stride = xd->mode_info_stride;
336 zd->frame_type = xd->frame_type;
337 zd->up_available = xd->up_available ;
338 zd->left_available = xd->left_available;
339 zd->left_context = xd->left_context;
340 zd->last_frame_dc = xd->last_frame_dc;
341 zd->last_frame_dccons = xd->last_frame_dccons;
342 zd->gold_frame_dc = xd->gold_frame_dc;
343 zd->gold_frame_dccons = xd->gold_frame_dccons;
344 zd->mb_to_left_edge = xd->mb_to_left_edge;
345 zd->mb_to_right_edge = xd->mb_to_right_edge;
346 zd->mb_to_top_edge = xd->mb_to_top_edge ;
347 zd->mb_to_bottom_edge = xd->mb_to_bottom_edge;
348 zd->gf_active_ptr = xd->gf_active_ptr;
349 zd->frames_since_golden = xd->frames_since_golden;
350 zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame;
352 zd->subpixel_predict = xd->subpixel_predict;
353 zd->subpixel_predict8x4 = xd->subpixel_predict8x4;
354 zd->subpixel_predict8x8 = xd->subpixel_predict8x8;
355 zd->subpixel_predict16x16 = xd->subpixel_predict16x16;
356 zd->segmentation_enabled = xd->segmentation_enabled;
357 zd->mb_segement_abs_delta = xd->mb_segement_abs_delta;
358 vpx_memcpy(zd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));
360 for (i = 0; i < 25; i++)
362 zd->block[i].dequant = xd->block[i].dequant;
367 void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
375 VP8_COMMON *const cm = & cpi->common;
376 MACROBLOCKD *const xd = & x->e_mbd;
380 for (i = 0; i < count; i++)
382 MACROBLOCK *mb = & mbr_ei[i].mb;
383 MACROBLOCKD *mbd = &mb->e_mbd;
385 mbd->subpixel_predict = xd->subpixel_predict;
386 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;
387 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;
388 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;
389 #if CONFIG_RUNTIME_CPU_DETECT
390 mbd->rtcd = xd->rtcd;
392 mb->gf_active_ptr = x->gf_active_ptr;
394 mb->vector_range = 32;
396 vpx_memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
397 mbr_ei[i].totalrate = 0;
399 mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);
401 mbd->mode_info_context = cm->mi + x->e_mbd.mode_info_stride * (i + 1);
402 mbd->mode_info_stride = cm->mode_info_stride;
404 mbd->frame_type = cm->frame_type;
406 mbd->frames_since_golden = cm->frames_since_golden;
407 mbd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;
409 mb->src = * cpi->Source;
410 mbd->pre = cm->yv12_fb[cm->lst_fb_idx];
411 mbd->dst = cm->yv12_fb[cm->new_fb_idx];
413 mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);
414 mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1);
415 mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1);
417 vp8_build_block_offsets(mb);
419 vp8_setup_block_dptrs(mbd);
421 vp8_setup_block_ptrs(mb);
423 mb->activity_sum = 0;
425 mbd->left_context = &cm->left_context;
426 mb->mvc = cm->fc.mvc;
428 setup_mbby_copy(&mbr_ei[i].mb, x);
433 void vp8cx_create_encoder_threads(VP8_COMP *cpi)
435 cpi->b_multi_threaded = 0;
437 cpi->processor_core_count = 32; //vp8_get_proc_core_count();
439 CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cpi->common.mb_rows));
441 #if CONFIG_MULTITHREAD
443 if (cpi->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
447 if (cpi->oxcf.multi_threaded > cpi->processor_core_count)
448 cpi->encoding_thread_count = cpi->processor_core_count - 1;
450 cpi->encoding_thread_count = cpi->oxcf.multi_threaded - 1;
452 CHECK_MEM_ERROR(cpi->h_encoding_thread, vpx_malloc(sizeof(pthread_t) * cpi->encoding_thread_count));
453 CHECK_MEM_ERROR(cpi->h_event_start_encoding, vpx_malloc(sizeof(sem_t) * cpi->encoding_thread_count));
454 CHECK_MEM_ERROR(cpi->mb_row_ei, vpx_memalign(32, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count));
455 vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count);
456 CHECK_MEM_ERROR(cpi->en_thread_data, vpx_malloc(sizeof(ENCODETHREAD_DATA) * cpi->encoding_thread_count));
457 CHECK_MEM_ERROR(cpi->mt_current_mb_col, vpx_malloc(sizeof(*cpi->mt_current_mb_col) * cpi->common.mb_rows));
459 //cpi->h_event_main = CreateEvent(NULL, FALSE, FALSE, NULL);
460 sem_init(&cpi->h_event_end_encoding, 0, 0);
462 cpi->b_multi_threaded = 1;
464 //printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", (cpi->encoding_thread_count +1));
466 for (ithread = 0; ithread < cpi->encoding_thread_count; ithread++)
468 ENCODETHREAD_DATA * ethd = &cpi->en_thread_data[ithread];
470 //cpi->h_event_mbrencoding[ithread] = CreateEvent(NULL, FALSE, FALSE, NULL);
471 sem_init(&cpi->h_event_start_encoding[ithread], 0, 0);
472 ethd->ithread = ithread;
473 ethd->ptr1 = (void *)cpi;
474 ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread];
476 //printf(" call begin thread %d \n", ithread);
478 //cpi->h_encoding_thread[ithread] = (HANDLE)_beginthreadex(
481 // thread_encoding_proc,
482 // (&cpi->en_thread_data[ithread]), // Thread data
486 pthread_create(&cpi->h_encoding_thread[ithread], 0, thread_encoding_proc, ethd);
494 void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
496 #if CONFIG_MULTITHREAD
498 if (cpi->b_multi_threaded)
500 //shutdown other threads
501 cpi->b_multi_threaded = 0;
505 for (i = 0; i < cpi->encoding_thread_count; i++)
507 //SetEvent(cpi->h_event_mbrencoding[i]);
508 sem_post(&cpi->h_event_start_encoding[i]);
509 pthread_join(cpi->h_encoding_thread[i], 0);
511 sem_destroy(&cpi->h_event_start_encoding[i]);
515 sem_destroy(&cpi->h_event_end_encoding);
517 //free thread related resources
518 vpx_free(cpi->h_event_start_encoding);
519 vpx_free(cpi->h_encoding_thread);
520 vpx_free(cpi->mb_row_ei);
521 vpx_free(cpi->en_thread_data);
522 vpx_free(cpi->mt_current_mb_col);
526 vpx_free(cpi->tplist);