vp8/encoder/ethreading.c

   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 #include "onyx_int.h"
  13 #include "threading.h"
  14 #include "common.h"
  15 #include "extend.h"
  16
  17
  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);
  23
  24 static
  25 THREAD_FUNCTION thread_encoding_proc(void *p_data)
  26 {
  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;
  32
  33     //printf("Started thread %d\n", ithread);
  34
  35     while (1)
  36     {
  37         if (cpi->b_multi_threaded == 0)
  38             break;
  39
  40         //if(WaitForSingleObject(cpi->h_event_mbrencoding[ithread], INFINITE) == WAIT_OBJECT_0)
  41         if (sem_wait(&cpi->h_event_mbrencoding[ithread]) == 0)
  42         {
  43             if (cpi->b_multi_threaded == FALSE) // we're shutting down
  44                 break;
  45             else
  46             {
  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;
  54
  55                 {
  56                     int i;
  57                     int recon_yoffset, recon_uvoffset;
  58                     int mb_col;
  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;
  65
  66                     if (ithread > 0)
  67                         last_row_current_mb_col = &cpi->mb_row_ei[ithread-1].current_mb_col;
  68                     else
  69                         last_row_current_mb_col = &cpi->current_mb_col_main;
  70
  71                     // reset above block coeffs
  72                     xd->above_context = cm->above_context;
  73                     xd->left_context = &mb_row_left_context;
  74
  75                     vp8_zero(mb_row_left_context);
  76
  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);
  80
  81
  82                     cpi->tplist[mb_row].start = *tp;
  83
  84                     //printf("Thread mb_row = %d\n", mb_row);
  85
  86                     // for each macroblock col in image
  87                     for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
  88                     {
  89                         int seg_map_index = (mb_row * cm->mb_cols);
  90
  91                         while (mb_col > (*last_row_current_mb_col - 1) && *last_row_current_mb_col != cm->mb_cols - 1)
  92                         {
  93                             x86_pause_hint();
  94                             thread_sleep(0);
  95                         }
  96
  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;
 103
 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);
 109
 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);
 114
 115                         x->rddiv = cpi->RDDIV;
 116                         x->rdmult = cpi->RDMULT;
 117
 118                         if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
 119                             activity_sum += vp8_activity_masking(cpi, x);
 120
 121                         // Is segmentation enabled
 122                         // MB level adjutment to quantizer
 123                         if (xd->segmentation_enabled)
 124                         {
 125                             // Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
 126                             if (cpi->segmentation_map[seg_map_index+mb_col] <= 3)
 127                                 xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[seg_map_index+mb_col];
 128                             else
 129                                 xd->mode_info_context->mbmi.segment_id = 0;
 130
 131                             vp8cx_mb_init_quantizer(cpi, x);
 132                         }
 133                         else
 134                             xd->mode_info_context->mbmi.segment_id = 0;         // Set to Segment 0 by default
 135
 136                         x->active_ptr = cpi->active_map + seg_map_index + mb_col;
 137
 138                         if (cm->frame_type == KEY_FRAME)
 139                         {
 140                             *totalrate += vp8cx_encode_intra_macro_block(cpi, x, tp);
 141 #ifdef MODE_STATS
 142                             y_modes[xd->mbmi.mode] ++;
 143 #endif
 144                         }
 145                         else
 146                         {
 147                             *totalrate += vp8cx_encode_inter_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset);
 148
 149 #ifdef MODE_STATS
 150                             inter_y_modes[xd->mbmi.mode] ++;
 151
 152                             if (xd->mbmi.mode == SPLITMV)
 153                             {
 154                                 int b;
 155
 156                                 for (b = 0; b < xd->mbmi.partition_count; b++)
 157                                 {
 158                                     inter_b_modes[x->partition->bmi[b].mode] ++;
 159                                 }
 160                             }
 161
 162 #endif
 163
 164                             // Count of last ref frame 0,0 useage
 165                             if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
 166                                 cpi->inter_zz_count ++;
 167
 168                             // Special case code for cyclic refresh
 169                             // If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
 170                             // during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
 171                             if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)
 172                             {
 173                                 cpi->segmentation_map[seg_map_index+mb_col] = xd->mode_info_context->mbmi.segment_id;
 174
 175                                 // 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):
 176                                 // 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)
 177                                 // else mark it as dirty (1).
 178                                 if (xd->mode_info_context->mbmi.segment_id)
 179                                     cpi->cyclic_refresh_map[seg_map_index+mb_col] = -1;
 180                                 else if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
 181                                 {
 182                                     if (cpi->cyclic_refresh_map[seg_map_index+mb_col] == 1)
 183                                         cpi->cyclic_refresh_map[seg_map_index+mb_col] = 0;
 184                                 }
 185                                 else
 186                                     cpi->cyclic_refresh_map[seg_map_index+mb_col] = 1;
 187
 188                             }
 189                         }
 190                         cpi->tplist[mb_row].stop = *tp;
 191
 192                         x->gf_active_ptr++;      // Increment pointer into gf useage flags structure for next mb
 193
 194                         for (i = 0; i < 16; i++)
 195                             vpx_memcpy(&xd->mode_info_context->bmi[i], &xd->block[i].bmi, sizeof(xd->block[i].bmi));
 196
 197                         // adjust to the next column of macroblocks
 198                         x->src.y_buffer += 16;
 199                         x->src.u_buffer += 8;
 200                         x->src.v_buffer += 8;
 201
 202                         recon_yoffset += 16;
 203                         recon_uvoffset += 8;
 204
 205                         // Keep track of segment useage
 206                         segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
 207
 208                         // skip to next mb
 209                         xd->mode_info_context++;
 210                         x->partition_info++;
 211
 212                         xd->above_context++;
 213
 214                         cpi->mb_row_ei[ithread].current_mb_col = mb_col;
 215
 216                     }
 217
 218                     //extend the recon for intra prediction
 219                     vp8_extend_mb_row(
 220                         &cm->yv12_fb[dst_fb_idx],
 221                         xd->dst.y_buffer + 16,
 222                         xd->dst.u_buffer + 8,
 223                         xd->dst.v_buffer + 8);
 224
 225                     // this is to account for the border
 226                     xd->mode_info_context++;
 227                     x->partition_info++;
 228                     x->activity_sum += activity_sum;
 229
 230                     x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols;
 231                     x->src.u_buffer +=  8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
 232                     x->src.v_buffer +=  8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
 233
 234                     xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
 235                     x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
 236
 237                     if (ithread == (cpi->encoding_thread_count - 1) || mb_row == cm->mb_rows - 1)
 238                     {
 239                         //SetEvent(cpi->h_event_main);
 240                         sem_post(&cpi->h_event_main);
 241                     }
 242
 243                 }
 244
 245             }
 246         }
 247     }
 248
 249 #else
 250     (void) p_data;
 251 #endif
 252
 253     //printf("exit thread %d\n", ithread);
 254     return 0;
 255 }
 256
 257 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc)
 258 {
 259
 260     MACROBLOCK *x = mbsrc;
 261     MACROBLOCK *z = mbdst;
 262     int i;
 263
 264     z->ss               = x->ss;
 265     z->ss_count          = x->ss_count;
 266     z->searches_per_step  = x->searches_per_step;
 267     z->errorperbit      = x->errorperbit;
 268
 269     z->sadperbit16      = x->sadperbit16;
 270     z->sadperbit4       = x->sadperbit4;
 271     z->errthresh        = x->errthresh;
 272
 273     /*
 274     z->mv_col_min    = x->mv_col_min;
 275     z->mv_col_max    = x->mv_col_max;
 276     z->mv_row_min    = x->mv_row_min;
 277     z->mv_row_max    = x->mv_row_max;
 278     z->vector_range = x->vector_range ;
 279     */
 280
 281     z->vp8_short_fdct4x4     = x->vp8_short_fdct4x4;
 282     z->vp8_short_fdct8x4     = x->vp8_short_fdct8x4;
 283     z->short_walsh4x4    = x->short_walsh4x4;
 284     z->quantize_b        = x->quantize_b;
 285     z->optimize          = x->optimize;
 286
 287     /*
 288     z->mvc              = x->mvc;
 289     z->src.y_buffer      = x->src.y_buffer;
 290     z->src.u_buffer      = x->src.u_buffer;
 291     z->src.v_buffer      = x->src.v_buffer;
 292     */
 293
 294
 295     vpx_memcpy(z->mvcosts,          x->mvcosts,         sizeof(x->mvcosts));
 296     z->mvcost[0] = &z->mvcosts[0][mv_max+1];
 297     z->mvcost[1] = &z->mvcosts[1][mv_max+1];
 298     z->mvsadcost[0] = &z->mvsadcosts[0][mv_max+1];
 299     z->mvsadcost[1] = &z->mvsadcosts[1][mv_max+1];
 300
 301
 302     vpx_memcpy(z->token_costs,       x->token_costs,      sizeof(x->token_costs));
 303     vpx_memcpy(z->inter_bmode_costs,  x->inter_bmode_costs, sizeof(x->inter_bmode_costs));
 304     //memcpy(z->mvcosts,            x->mvcosts,         sizeof(x->mvcosts));
 305     //memcpy(z->mvcost,         x->mvcost,          sizeof(x->mvcost));
 306     vpx_memcpy(z->mbmode_cost,       x->mbmode_cost,      sizeof(x->mbmode_cost));
 307     vpx_memcpy(z->intra_uv_mode_cost,  x->intra_uv_mode_cost, sizeof(x->intra_uv_mode_cost));
 308     vpx_memcpy(z->bmode_costs,       x->bmode_costs,      sizeof(x->bmode_costs));
 309
 310     for (i = 0; i < 25; i++)
 311     {
 312         z->block[i].quant           = x->block[i].quant;
 313         z->block[i].quant_shift     = x->block[i].quant_shift;
 314         z->block[i].zbin            = x->block[i].zbin;
 315         z->block[i].zrun_zbin_boost   = x->block[i].zrun_zbin_boost;
 316         z->block[i].round           = x->block[i].round;
 317         /*
 318         z->block[i].src             = x->block[i].src;
 319         */
 320         z->block[i].src_stride       = x->block[i].src_stride;
 321         z->block[i].force_empty      = x->block[i].force_empty;
 322
 323     }
 324
 325     {
 326         MACROBLOCKD *xd = &x->e_mbd;
 327         MACROBLOCKD *zd = &z->e_mbd;
 328
 329         /*
 330         zd->mode_info_context = xd->mode_info_context;
 331         zd->mode_info        = xd->mode_info;
 332
 333         zd->mode_info_stride  = xd->mode_info_stride;
 334         zd->frame_type       = xd->frame_type;
 335         zd->up_available     = xd->up_available   ;
 336         zd->left_available   = xd->left_available;
 337         zd->left_context     = xd->left_context;
 338         zd->last_frame_dc     = xd->last_frame_dc;
 339         zd->last_frame_dccons = xd->last_frame_dccons;
 340         zd->gold_frame_dc     = xd->gold_frame_dc;
 341         zd->gold_frame_dccons = xd->gold_frame_dccons;
 342         zd->mb_to_left_edge    = xd->mb_to_left_edge;
 343         zd->mb_to_right_edge   = xd->mb_to_right_edge;
 344         zd->mb_to_top_edge     = xd->mb_to_top_edge   ;
 345         zd->mb_to_bottom_edge  = xd->mb_to_bottom_edge;
 346         zd->gf_active_ptr     = xd->gf_active_ptr;
 347         zd->frames_since_golden       = xd->frames_since_golden;
 348         zd->frames_till_alt_ref_frame   = xd->frames_till_alt_ref_frame;
 349         */
 350         zd->subpixel_predict         = xd->subpixel_predict;
 351         zd->subpixel_predict8x4      = xd->subpixel_predict8x4;
 352         zd->subpixel_predict8x8      = xd->subpixel_predict8x8;
 353         zd->subpixel_predict16x16    = xd->subpixel_predict16x16;
 354         zd->segmentation_enabled     = xd->segmentation_enabled;
 355         zd->mb_segement_abs_delta      = xd->mb_segement_abs_delta;
 356         vpx_memcpy(zd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));
 357
 358         for (i = 0; i < 25; i++)
 359         {
 360             zd->block[i].dequant = xd->block[i].dequant;
 361         }
 362     }
 363 }
 364
 365
 366 void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
 367                                MACROBLOCK *x,
 368                                MB_ROW_COMP *mbr_ei,
 369                                int mb_row,
 370                                int count
 371                               )
 372 {
 373
 374     VP8_COMMON *const cm = & cpi->common;
 375     MACROBLOCKD *const xd = & x->e_mbd;
 376     int i;
 377     (void) mb_row;
 378
 379     for (i = 0; i < count; i++)
 380     {
 381         MACROBLOCK *mb = & mbr_ei[i].mb;
 382         MACROBLOCKD *mbd = &mb->e_mbd;
 383
 384         mbd->subpixel_predict        = xd->subpixel_predict;
 385         mbd->subpixel_predict8x4     = xd->subpixel_predict8x4;
 386         mbd->subpixel_predict8x8     = xd->subpixel_predict8x8;
 387         mbd->subpixel_predict16x16   = xd->subpixel_predict16x16;
 388 #if CONFIG_RUNTIME_CPU_DETECT
 389         mbd->rtcd                   = xd->rtcd;
 390 #endif
 391         mb->gf_active_ptr            = x->gf_active_ptr;
 392
 393         mb->vector_range             = 32;
 394
 395         vpx_memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
 396         mbr_ei[i].totalrate = 0;
 397
 398         mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);
 399
 400         mbd->mode_info_context = cm->mi   + x->e_mbd.mode_info_stride * (i + 1);
 401         mbd->mode_info_stride  = cm->mode_info_stride;
 402
 403         mbd->frame_type = cm->frame_type;
 404
 405         mbd->frames_since_golden = cm->frames_since_golden;
 406         mbd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;
 407
 408         mb->src = * cpi->Source;
 409         mbd->pre = cm->yv12_fb[cm->lst_fb_idx];
 410         mbd->dst = cm->yv12_fb[cm->new_fb_idx];
 411
 412         mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);
 413         mb->src.u_buffer +=  8 * x->src.uv_stride * (i + 1);
 414         mb->src.v_buffer +=  8 * x->src.uv_stride * (i + 1);
 415
 416
 417         vp8_build_block_offsets(mb);
 418
 419         vp8_setup_block_dptrs(mbd);
 420
 421         vp8_setup_block_ptrs(mb);
 422
 423         mb->activity_sum = 0;
 424
 425         mbd->left_context = &cm->left_context;
 426         mb->mvc = cm->fc.mvc;
 427
 428         setup_mbby_copy(&mbr_ei[i].mb, x);
 429
 430     }
 431 }
 432
 433
 434 void vp8cx_create_encoder_threads(VP8_COMP *cpi)
 435 {
 436     cpi->b_multi_threaded = 0;
 437
 438     cpi->processor_core_count = 32; //vp8_get_proc_core_count();
 439
 440     CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cpi->common.mb_rows));
 441
 442 #if CONFIG_MULTITHREAD
 443
 444     if (cpi->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
 445     {
 446         int ithread;
 447
 448         if (cpi->oxcf.multi_threaded > cpi->processor_core_count)
 449             cpi->encoding_thread_count = cpi->processor_core_count - 1;
 450         else
 451             cpi->encoding_thread_count = cpi->oxcf.multi_threaded - 1;
 452
 453
 454         CHECK_MEM_ERROR(cpi->h_encoding_thread, vpx_malloc(sizeof(pthread_t) * cpi->encoding_thread_count));
 455         CHECK_MEM_ERROR(cpi->h_event_mbrencoding, vpx_malloc(sizeof(sem_t) * cpi->encoding_thread_count));
 456         CHECK_MEM_ERROR(cpi->mb_row_ei, vpx_memalign(32, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count));
 457         vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count);
 458         CHECK_MEM_ERROR(cpi->en_thread_data, vpx_malloc(sizeof(ENCODETHREAD_DATA) * cpi->encoding_thread_count));
 459         //cpi->h_event_main = CreateEvent(NULL, FALSE, FALSE, NULL);
 460         sem_init(&cpi->h_event_main, 0, 0);
 461
 462         cpi->b_multi_threaded = 1;
 463
 464         //printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", (cpi->encoding_thread_count +1));
 465
 466         for (ithread = 0; ithread < cpi->encoding_thread_count; ithread++)
 467         {
 468             //cpi->h_event_mbrencoding[ithread] = CreateEvent(NULL, FALSE, FALSE, NULL);
 469             sem_init(&cpi->h_event_mbrencoding[ithread], 0, 0);
 470             cpi->en_thread_data[ithread].ithread = ithread;
 471             cpi->en_thread_data[ithread].ptr1 = (void *)cpi;
 472             cpi->en_thread_data[ithread].ptr2 = (void *)&cpi->mb_row_ei[ithread];
 473
 474             //printf(" call begin thread %d \n", ithread);
 475
 476             //cpi->h_encoding_thread[ithread] =   (HANDLE)_beginthreadex(
 477             //  NULL,           // security
 478             //  0,              // stksize
 479             //  thread_encoding_proc,
 480             //  (&cpi->en_thread_data[ithread]),          // Thread data
 481             //  0,
 482             //  NULL);
 483
 484             pthread_create(&cpi->h_encoding_thread[ithread], 0, thread_encoding_proc, (&cpi->en_thread_data[ithread]));
 485
 486         }
 487
 488     }
 489
 490 #endif
 491 }
 492
 493 void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
 494 {
 495 #if CONFIG_MULTITHREAD
 496
 497     if (cpi->b_multi_threaded)
 498     {
 499         //shutdown other threads
 500         cpi->b_multi_threaded = 0;
 501         {
 502             int i;
 503
 504             for (i = 0; i < cpi->encoding_thread_count; i++)
 505             {
 506                 //SetEvent(cpi->h_event_mbrencoding[i]);
 507                 sem_post(&cpi->h_event_mbrencoding[i]);
 508                 pthread_join(cpi->h_encoding_thread[i], 0);
 509             }
 510
 511             for (i = 0; i < cpi->encoding_thread_count; i++)
 512                 sem_destroy(&cpi->h_event_mbrencoding[i]);
 513         }
 514         //free thread related resources
 515         vpx_free(cpi->h_event_mbrencoding);
 516         vpx_free(cpi->h_encoding_thread);
 517         vpx_free(cpi->mb_row_ei);
 518         vpx_free(cpi->en_thread_data);
 519     }
 520
 521 #endif
 522     vpx_free(cpi->tplist);
 523 }