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.
13 #include "threading.h"
18 extern int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, int recon_yoffset, int recon_uvoffset);
19 extern int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);
20 extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
21 extern void vp8_build_block_offsets(MACROBLOCK *x);
22 extern void vp8_setup_block_ptrs(MACROBLOCK *x);
25 THREAD_FUNCTION thread_encoding_proc(void *p_data)
27 #if CONFIG_MULTITHREAD
28 int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;
29 VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);
30 MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);
31 ENTROPY_CONTEXT_PLANES mb_row_left_context;
33 //printf("Started thread %d\n", ithread);
37 if (cpi->b_multi_threaded == 0)
40 //if(WaitForSingleObject(cpi->h_event_mbrencoding[ithread], INFINITE) == WAIT_OBJECT_0)
41 if (sem_wait(&cpi->h_event_mbrencoding[ithread]) == 0)
43 if (cpi->b_multi_threaded == FALSE) // we're shutting down
47 VP8_COMMON *cm = &cpi->common;
48 int mb_row = mbri->mb_row;
49 MACROBLOCK *x = &mbri->mb;
50 MACROBLOCKD *xd = &x->e_mbd;
51 TOKENEXTRA **tp = &mbri->tp;
52 int *segment_counts = mbri->segment_counts;
53 int *totalrate = &mbri->totalrate;
57 int recon_yoffset, recon_uvoffset;
59 int ref_fb_idx = cm->lst_fb_idx;
60 int dst_fb_idx = cm->new_fb_idx;
61 int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
62 int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
63 volatile int *last_row_current_mb_col;
64 INT64 activity_sum = 0;
67 last_row_current_mb_col = &cpi->mb_row_ei[ithread-1].current_mb_col;
69 last_row_current_mb_col = &cpi->current_mb_col_main;
71 // reset above block coeffs
72 xd->above_context = cm->above_context;
73 xd->left_context = &mb_row_left_context;
75 vp8_zero(mb_row_left_context);
77 xd->up_available = (mb_row != 0);
78 recon_yoffset = (mb_row * recon_y_stride * 16);
79 recon_uvoffset = (mb_row * recon_uv_stride * 8);
82 cpi->tplist[mb_row].start = *tp;
84 //printf("Thread mb_row = %d\n", mb_row);
86 // for each macroblock col in image
87 for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
89 int seg_map_index = (mb_row * cm->mb_cols);
91 while (mb_col > (*last_row_current_mb_col - 1) && *last_row_current_mb_col != cm->mb_cols - 1)
97 // Distance of Mb to the various image edges.
98 // These specified to 8th pel as they are always compared to values that are in 1/8th pel units
99 xd->mb_to_left_edge = -((mb_col * 16) << 3);
100 xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
101 xd->mb_to_top_edge = -((mb_row * 16) << 3);
102 xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
104 // Set up limit values for motion vectors used to prevent them extending outside the UMV borders
105 x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
106 x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
107 x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
108 x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
110 xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
111 xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
112 xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
113 xd->left_available = (mb_col != 0);
115 x->rddiv = cpi->RDDIV;
116 x->rdmult = cpi->RDMULT;
118 activity_sum += vp8_activity_masking(cpi, x);
120 // Is segmentation enabled
121 // MB level adjutment to quantizer
122 if (xd->segmentation_enabled)
124 // Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
125 if (cpi->segmentation_map[seg_map_index+mb_col] <= 3)
126 xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[seg_map_index+mb_col];
128 xd->mode_info_context->mbmi.segment_id = 0;
130 vp8cx_mb_init_quantizer(cpi, x);
133 xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
136 if (cm->frame_type == KEY_FRAME)
138 *totalrate += vp8cx_encode_intra_macro_block(cpi, x, tp);
140 y_modes[xd->mbmi.mode] ++;
145 *totalrate += vp8cx_encode_inter_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset);
148 inter_y_modes[xd->mbmi.mode] ++;
150 if (xd->mbmi.mode == SPLITMV)
154 for (b = 0; b < xd->mbmi.partition_count; b++)
156 inter_b_modes[x->partition->bmi[b].mode] ++;
162 // Count of last ref frame 0,0 useage
163 if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
164 cpi->inter_zz_count ++;
168 cpi->tplist[mb_row].stop = *tp;
170 x->gf_active_ptr++; // Increment pointer into gf useage flags structure for next mb
172 for (i = 0; i < 16; i++)
173 vpx_memcpy(&xd->mode_info_context->bmi[i], &xd->block[i].bmi, sizeof(xd->block[i].bmi));
175 // adjust to the next column of macroblocks
176 x->src.y_buffer += 16;
177 x->src.u_buffer += 8;
178 x->src.v_buffer += 8;
183 // Keep track of segment useage
184 segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
187 xd->mode_info_context++;
192 cpi->mb_row_ei[ithread].current_mb_col = mb_col;
196 //extend the recon for intra prediction
198 &cm->yv12_fb[dst_fb_idx],
199 xd->dst.y_buffer + 16,
200 xd->dst.u_buffer + 8,
201 xd->dst.v_buffer + 8);
203 // this is to account for the border
204 xd->mode_info_context++;
206 x->activity_sum += activity_sum;
208 x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols;
209 x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
210 x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
212 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
213 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
215 if (ithread == (cpi->encoding_thread_count - 1) || mb_row == cm->mb_rows - 1)
217 //SetEvent(cpi->h_event_main);
218 sem_post(&cpi->h_event_main);
231 //printf("exit thread %d\n", ithread);
235 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc)
238 MACROBLOCK *x = mbsrc;
239 MACROBLOCK *z = mbdst;
243 z->ss_count = x->ss_count;
244 z->searches_per_step = x->searches_per_step;
245 z->errorperbit = x->errorperbit;
247 z->sadperbit16 = x->sadperbit16;
248 z->sadperbit4 = x->sadperbit4;
249 z->errthresh = x->errthresh;
252 z->mv_col_min = x->mv_col_min;
253 z->mv_col_max = x->mv_col_max;
254 z->mv_row_min = x->mv_row_min;
255 z->mv_row_max = x->mv_row_max;
256 z->vector_range = x->vector_range ;
259 z->vp8_short_fdct4x4 = x->vp8_short_fdct4x4;
260 z->vp8_short_fdct8x4 = x->vp8_short_fdct8x4;
261 z->short_walsh4x4 = x->short_walsh4x4;
262 z->quantize_b = x->quantize_b;
266 z->src.y_buffer = x->src.y_buffer;
267 z->src.u_buffer = x->src.u_buffer;
268 z->src.v_buffer = x->src.v_buffer;
272 vpx_memcpy(z->mvcosts, x->mvcosts, sizeof(x->mvcosts));
273 z->mvcost[0] = &z->mvcosts[0][mv_max+1];
274 z->mvcost[1] = &z->mvcosts[1][mv_max+1];
275 z->mvsadcost[0] = &z->mvsadcosts[0][mv_max+1];
276 z->mvsadcost[1] = &z->mvsadcosts[1][mv_max+1];
279 vpx_memcpy(z->token_costs, x->token_costs, sizeof(x->token_costs));
280 vpx_memcpy(z->inter_bmode_costs, x->inter_bmode_costs, sizeof(x->inter_bmode_costs));
281 //memcpy(z->mvcosts, x->mvcosts, sizeof(x->mvcosts));
282 //memcpy(z->mvcost, x->mvcost, sizeof(x->mvcost));
283 vpx_memcpy(z->mbmode_cost, x->mbmode_cost, sizeof(x->mbmode_cost));
284 vpx_memcpy(z->intra_uv_mode_cost, x->intra_uv_mode_cost, sizeof(x->intra_uv_mode_cost));
285 vpx_memcpy(z->bmode_costs, x->bmode_costs, sizeof(x->bmode_costs));
287 for (i = 0; i < 25; i++)
289 z->block[i].quant = x->block[i].quant;
290 z->block[i].quant_shift = x->block[i].quant_shift;
291 z->block[i].zbin = x->block[i].zbin;
292 z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost;
293 z->block[i].round = x->block[i].round;
295 z->block[i].src = x->block[i].src;
297 z->block[i].src_stride = x->block[i].src_stride;
298 z->block[i].force_empty = x->block[i].force_empty;
303 MACROBLOCKD *xd = &x->e_mbd;
304 MACROBLOCKD *zd = &z->e_mbd;
307 zd->mode_info_context = xd->mode_info_context;
308 zd->mode_info = xd->mode_info;
310 zd->mode_info_stride = xd->mode_info_stride;
311 zd->frame_type = xd->frame_type;
312 zd->up_available = xd->up_available ;
313 zd->left_available = xd->left_available;
314 zd->left_context = xd->left_context;
315 zd->last_frame_dc = xd->last_frame_dc;
316 zd->last_frame_dccons = xd->last_frame_dccons;
317 zd->gold_frame_dc = xd->gold_frame_dc;
318 zd->gold_frame_dccons = xd->gold_frame_dccons;
319 zd->mb_to_left_edge = xd->mb_to_left_edge;
320 zd->mb_to_right_edge = xd->mb_to_right_edge;
321 zd->mb_to_top_edge = xd->mb_to_top_edge ;
322 zd->mb_to_bottom_edge = xd->mb_to_bottom_edge;
323 zd->gf_active_ptr = xd->gf_active_ptr;
324 zd->frames_since_golden = xd->frames_since_golden;
325 zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame;
327 zd->subpixel_predict = xd->subpixel_predict;
328 zd->subpixel_predict8x4 = xd->subpixel_predict8x4;
329 zd->subpixel_predict8x8 = xd->subpixel_predict8x8;
330 zd->subpixel_predict16x16 = xd->subpixel_predict16x16;
331 zd->segmentation_enabled = xd->segmentation_enabled;
332 zd->mb_segement_abs_delta = xd->mb_segement_abs_delta;
333 vpx_memcpy(zd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));
335 for (i = 0; i < 25; i++)
337 zd->block[i].dequant = xd->block[i].dequant;
343 void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
351 VP8_COMMON *const cm = & cpi->common;
352 MACROBLOCKD *const xd = & x->e_mbd;
356 for (i = 0; i < count; i++)
358 MACROBLOCK *mb = & mbr_ei[i].mb;
359 MACROBLOCKD *mbd = &mb->e_mbd;
361 mbd->subpixel_predict = xd->subpixel_predict;
362 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;
363 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;
364 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;
365 #if CONFIG_RUNTIME_CPU_DETECT
366 mbd->rtcd = xd->rtcd;
368 mb->gf_active_ptr = x->gf_active_ptr;
370 mb->vector_range = 32;
372 vpx_memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
373 mbr_ei[i].totalrate = 0;
375 mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);
377 mbd->mode_info_context = cm->mi + x->e_mbd.mode_info_stride * (i + 1);
378 mbd->mode_info_stride = cm->mode_info_stride;
380 mbd->frame_type = cm->frame_type;
382 mbd->frames_since_golden = cm->frames_since_golden;
383 mbd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;
385 mb->src = * cpi->Source;
386 mbd->pre = cm->yv12_fb[cm->lst_fb_idx];
387 mbd->dst = cm->yv12_fb[cm->new_fb_idx];
389 mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);
390 mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1);
391 mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1);
394 vp8_build_block_offsets(mb);
396 vp8_setup_block_dptrs(mbd);
398 vp8_setup_block_ptrs(mb);
400 mb->activity_sum = 0;
402 mbd->left_context = &cm->left_context;
403 mb->mvc = cm->fc.mvc;
405 setup_mbby_copy(&mbr_ei[i].mb, x);
411 void vp8cx_create_encoder_threads(VP8_COMP *cpi)
413 cpi->b_multi_threaded = 0;
415 cpi->processor_core_count = 32; //vp8_get_proc_core_count();
417 CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cpi->common.mb_rows));
419 #if CONFIG_MULTITHREAD
421 if (cpi->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
425 if (cpi->oxcf.multi_threaded > cpi->processor_core_count)
426 cpi->encoding_thread_count = cpi->processor_core_count - 1;
428 cpi->encoding_thread_count = cpi->oxcf.multi_threaded - 1;
431 CHECK_MEM_ERROR(cpi->h_encoding_thread, vpx_malloc(sizeof(pthread_t) * cpi->encoding_thread_count));
432 CHECK_MEM_ERROR(cpi->h_event_mbrencoding, vpx_malloc(sizeof(sem_t) * cpi->encoding_thread_count));
433 CHECK_MEM_ERROR(cpi->mb_row_ei, vpx_memalign(32, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count));
434 vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count);
435 CHECK_MEM_ERROR(cpi->en_thread_data, vpx_malloc(sizeof(ENCODETHREAD_DATA) * cpi->encoding_thread_count));
436 //cpi->h_event_main = CreateEvent(NULL, FALSE, FALSE, NULL);
437 sem_init(&cpi->h_event_main, 0, 0);
439 cpi->b_multi_threaded = 1;
441 //printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", (cpi->encoding_thread_count +1));
443 for (ithread = 0; ithread < cpi->encoding_thread_count; ithread++)
445 //cpi->h_event_mbrencoding[ithread] = CreateEvent(NULL, FALSE, FALSE, NULL);
446 sem_init(&cpi->h_event_mbrencoding[ithread], 0, 0);
447 cpi->en_thread_data[ithread].ithread = ithread;
448 cpi->en_thread_data[ithread].ptr1 = (void *)cpi;
449 cpi->en_thread_data[ithread].ptr2 = (void *)&cpi->mb_row_ei[ithread];
451 //printf(" call begin thread %d \n", ithread);
453 //cpi->h_encoding_thread[ithread] = (HANDLE)_beginthreadex(
456 // thread_encoding_proc,
457 // (&cpi->en_thread_data[ithread]), // Thread data
461 pthread_create(&cpi->h_encoding_thread[ithread], 0, thread_encoding_proc, (&cpi->en_thread_data[ithread]));
470 void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
472 #if CONFIG_MULTITHREAD
474 if (cpi->b_multi_threaded)
476 //shutdown other threads
477 cpi->b_multi_threaded = 0;
481 for (i = 0; i < cpi->encoding_thread_count; i++)
483 //SetEvent(cpi->h_event_mbrencoding[i]);
484 sem_post(&cpi->h_event_mbrencoding[i]);
485 pthread_join(cpi->h_encoding_thread[i], 0);
488 for (i = 0; i < cpi->encoding_thread_count; i++)
489 sem_destroy(&cpi->h_event_mbrencoding[i]);
491 //free thread related resources
492 vpx_free(cpi->h_event_mbrencoding);
493 vpx_free(cpi->h_encoding_thread);
494 vpx_free(cpi->mb_row_ei);
495 vpx_free(cpi->en_thread_data);
499 vpx_free(cpi->tplist);