/* *  Copyright (c) 2010 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */ #include "onyx_int.h"#include "vp8/common/threading.h"#include "vp8/common/common.h"#include "vp8/common/extend.h"#include "bitstream.h"#include "encodeframe.h"#include "ethreading.h" #if CONFIG_MULTITHREAD extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x,                                    int ok_to_skip); static THREAD_FUNCTION thread_loopfilter(void *p_data) {  VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1);  VP8_COMMON *cm = &cpi->common;   while (1) {    if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;     if (sem_wait(&cpi->h_event_start_lpf) == 0) {      /* we're shutting down */      if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;       vp8_loopfilter_frame(cpi, cm);       sem_post(&cpi->h_event_end_lpf);    }  }   return 0;} static THREAD_FUNCTION thread_encoding_proc(void *p_data) {  int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;  VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);  MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);  ENTROPY_CONTEXT_PLANES mb_row_left_context;   while (1) {    if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;     if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0) {      const int nsync = cpi->mt_sync_range;      VP8_COMMON *cm = &cpi->common;      int mb_row;      MACROBLOCK *x = &mbri->mb;      MACROBLOCKD *xd = &x->e_mbd;      TOKENEXTRA *tp;#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING      TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24);      const int num_part = (1 << cm->multi_token_partition);#endif       int *segment_counts = mbri->segment_counts;      int *totalrate = &mbri->totalrate;       /* we're shutting down */      if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;       xd->mode_info_context = cm->mi + cm->mode_info_stride * (ithread + 1);      xd->mode_info_stride = cm->mode_info_stride;       for (mb_row = ithread + 1; mb_row < cm->mb_rows;           mb_row += (cpi->encoding_thread_count + 1)) {        int recon_yoffset, recon_uvoffset;        int mb_col;        int ref_fb_idx = cm->lst_fb_idx;        int dst_fb_idx = cm->new_fb_idx;        int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;        int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;        int map_index = (mb_row * cm->mb_cols);        const vpx_atomic_int *last_row_current_mb_col;        vpx_atomic_int *current_mb_col = &cpi->mt_current_mb_col[mb_row]; #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)        vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)];#else        tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));        cpi->tplist[mb_row].start = tp;#endif         last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];         /* reset above block coeffs */        xd->above_context = cm->above_context;        xd->left_context = &mb_row_left_context;         vp8_zero(mb_row_left_context);         xd->up_available = (mb_row != 0);        recon_yoffset = (mb_row * recon_y_stride * 16);        recon_uvoffset = (mb_row * recon_uv_stride * 8);         /* Set the mb activity pointer to the start of the row. */        x->mb_activity_ptr = &cpi->mb_activity_map[map_index];         /* for each macroblock col in image */        for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {          if (((mb_col - 1) % nsync) == 0) {            vpx_atomic_store_release(current_mb_col, mb_col - 1);          }           if (mb_row && !(mb_col & (nsync - 1))) {            vp8_atomic_spin_wait(mb_col, last_row_current_mb_col, nsync);          } #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING          tp = tp_start;#endif           /* Distance of Mb to the various image edges.           * These specified to 8th pel as they are always compared           * to values that are in 1/8th pel units           */          xd->mb_to_left_edge = -((mb_col * 16) << 3);          xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;          xd->mb_to_top_edge = -((mb_row * 16) << 3);          xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;           /* Set up limit values for motion vectors used to prevent           * them extending outside the UMV borders           */          x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));          x->mv_col_max =              ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);          x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));          x->mv_row_max =              ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);           xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;          xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;          xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;          xd->left_available = (mb_col != 0);           x->rddiv = cpi->RDDIV;          x->rdmult = cpi->RDMULT;           /* Copy current mb to a buffer */          vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);           if (cpi->oxcf.tuning == VP8_TUNE_SSIM) vp8_activity_masking(cpi, x);           /* Is segmentation enabled */          /* MB level adjustment to quantizer */          if (xd->segmentation_enabled) {            /* Code to set segment id in xd->mbmi.segment_id for             * current MB (with range checking)             */            if (cpi->segmentation_map[map_index + mb_col] <= 3) {              xd->mode_info_context->mbmi.segment_id =                  cpi->segmentation_map[map_index + mb_col];            } else {              xd->mode_info_context->mbmi.segment_id = 0;            }             vp8cx_mb_init_quantizer(cpi, x, 1);          } else {            /* Set to Segment 0 by default */            xd->mode_info_context->mbmi.segment_id = 0;          }           x->active_ptr = cpi->active_map + map_index + mb_col;           if (cm->frame_type == KEY_FRAME) {            *totalrate += vp8cx_encode_intra_macroblock(cpi, x, &tp);#ifdef MODE_STATS            y_modes[xd->mbmi.mode]++;#endif          } else {            *totalrate += vp8cx_encode_inter_macroblock(                cpi, x, &tp, recon_yoffset, recon_uvoffset, mb_row, mb_col); #ifdef MODE_STATS            inter_y_modes[xd->mbmi.mode]++;             if (xd->mbmi.mode == SPLITMV) {              int b;               for (b = 0; b < xd->mbmi.partition_count; ++b) {                inter_b_modes[x->partition->bmi[b].mode]++;              }            } #endif            // Keep track of how many (consecutive) times a  block            // is coded as ZEROMV_LASTREF, for base layer frames.            // Reset to 0 if its coded as anything else.            if (cpi->current_layer == 0) {              if (xd->mode_info_context->mbmi.mode == ZEROMV &&                  xd->mode_info_context->mbmi.ref_frame == LAST_FRAME) {                // Increment, check for wrap-around.                if (cpi->consec_zero_last[map_index + mb_col] < 255) {                  cpi->consec_zero_last[map_index + mb_col] += 1;                }                if (cpi->consec_zero_last_mvbias[map_index + mb_col] < 255) {                  cpi->consec_zero_last_mvbias[map_index + mb_col] += 1;                }              } else {                cpi->consec_zero_last[map_index + mb_col] = 0;                cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;              }              if (x->zero_last_dot_suppress) {                cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;              }            }             /* Special case code for cyclic refresh             * If cyclic update enabled then copy             * xd->mbmi.segment_id; (which may have been updated             * based on mode during             * vp8cx_encode_inter_macroblock()) back into the             * global segmentation map             */            if ((cpi->current_layer == 0) &&                (cpi->cyclic_refresh_mode_enabled &&                 xd->segmentation_enabled)) {              const MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;              cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id;               /* 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):               * 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) else               * mark it as dirty (1).               */              if (mbmi->segment_id) {                cpi->cyclic_refresh_map[map_index + mb_col] = -1;              } else if ((mbmi->mode == ZEROMV) &&                         (mbmi->ref_frame == LAST_FRAME)) {                if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) {                  cpi->cyclic_refresh_map[map_index + mb_col] = 0;                }              } else {                cpi->cyclic_refresh_map[map_index + mb_col] = 1;              }            }          } #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING          /* pack tokens for this MB */          {            int tok_count = tp - tp_start;            vp8_pack_tokens(w, tp_start, tok_count);          }#else          cpi->tplist[mb_row].stop = tp;#endif          /* Increment pointer into gf usage flags structure. */          x->gf_active_ptr++;           /* Increment the activity mask pointers. */          x->mb_activity_ptr++;           /* adjust to the next column of macroblocks */          x->src.y_buffer += 16;          x->src.u_buffer += 8;          x->src.v_buffer += 8;           recon_yoffset += 16;          recon_uvoffset += 8;           /* Keep track of segment usage */          segment_counts[xd->mode_info_context->mbmi.segment_id]++;           /* skip to next mb */          xd->mode_info_context++;          x->partition_info++;          xd->above_context++;        }         vp8_extend_mb_row(&cm->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16,                          xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);         vpx_atomic_store_release(current_mb_col, mb_col + nsync);         /* this is to account for the border */        xd->mode_info_context++;        x->partition_info++;         x->src.y_buffer +=            16 * x->src.y_stride * (cpi->encoding_thread_count + 1) -            16 * cm->mb_cols;        x->src.u_buffer +=            8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -            8 * cm->mb_cols;        x->src.v_buffer +=            8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -            8 * cm->mb_cols;         xd->mode_info_context +=            xd->mode_info_stride * cpi->encoding_thread_count;        x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;        x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;      }      /* Signal that this thread has completed processing its rows. */      sem_post(&cpi->h_event_end_encoding[ithread]);    }  }   /* printf("exit thread %d\n", ithread); */  return 0;} static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc) {  MACROBLOCK *x = mbsrc;  MACROBLOCK *z = mbdst;  int i;   z->ss = x->ss;  z->ss_count = x->ss_count;  z->searches_per_step = x->searches_per_step;  z->errorperbit = x->errorperbit;   z->sadperbit16 = x->sadperbit16;  z->sadperbit4 = x->sadperbit4;   /*  z->mv_col_min    = x->mv_col_min;  z->mv_col_max    = x->mv_col_max;  z->mv_row_min    = x->mv_row_min;  z->mv_row_max    = x->mv_row_max;  */   z->short_fdct4x4 = x->short_fdct4x4;  z->short_fdct8x4 = x->short_fdct8x4;  z->short_walsh4x4 = x->short_walsh4x4;  z->quantize_b = x->quantize_b;  z->optimize = x->optimize;   /*  z->mvc              = x->mvc;  z->src.y_buffer      = x->src.y_buffer;  z->src.u_buffer      = x->src.u_buffer;  z->src.v_buffer      = x->src.v_buffer;  */   z->mvcost[0] = x->mvcost[0];  z->mvcost[1] = x->mvcost[1];  z->mvsadcost[0] = x->mvsadcost[0];  z->mvsadcost[1] = x->mvsadcost[1];   z->token_costs = x->token_costs;  z->inter_bmode_costs = x->inter_bmode_costs;  z->mbmode_cost = x->mbmode_cost;  z->intra_uv_mode_cost = x->intra_uv_mode_cost;  z->bmode_costs = x->bmode_costs;   for (i = 0; i < 25; ++i) {    z->block[i].quant = x->block[i].quant;    z->block[i].quant_fast = x->block[i].quant_fast;    z->block[i].quant_shift = x->block[i].quant_shift;    z->block[i].zbin = x->block[i].zbin;    z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost;    z->block[i].round = x->block[i].round;    z->block[i].src_stride = x->block[i].src_stride;  }   z->q_index = x->q_index;  z->act_zbin_adj = x->act_zbin_adj;  z->last_act_zbin_adj = x->last_act_zbin_adj;   {    MACROBLOCKD *xd = &x->e_mbd;    MACROBLOCKD *zd = &z->e_mbd;     /*    zd->mode_info_context = xd->mode_info_context;    zd->mode_info        = xd->mode_info;     zd->mode_info_stride  = xd->mode_info_stride;    zd->frame_type       = xd->frame_type;    zd->up_available     = xd->up_available   ;    zd->left_available   = xd->left_available;    zd->left_context     = xd->left_context;    zd->last_frame_dc     = xd->last_frame_dc;    zd->last_frame_dccons = xd->last_frame_dccons;    zd->gold_frame_dc     = xd->gold_frame_dc;    zd->gold_frame_dccons = xd->gold_frame_dccons;    zd->mb_to_left_edge    = xd->mb_to_left_edge;    zd->mb_to_right_edge   = xd->mb_to_right_edge;    zd->mb_to_top_edge     = xd->mb_to_top_edge   ;    zd->mb_to_bottom_edge  = xd->mb_to_bottom_edge;    zd->gf_active_ptr     = xd->gf_active_ptr;    zd->frames_since_golden       = xd->frames_since_golden;    zd->frames_till_alt_ref_frame   = xd->frames_till_alt_ref_frame;    */    zd->subpixel_predict = xd->subpixel_predict;    zd->subpixel_predict8x4 = xd->subpixel_predict8x4;    zd->subpixel_predict8x8 = xd->subpixel_predict8x8;    zd->subpixel_predict16x16 = xd->subpixel_predict16x16;    zd->segmentation_enabled = xd->segmentation_enabled;    zd->mb_segement_abs_delta = xd->mb_segement_abs_delta;    memcpy(zd->segment_feature_data, xd->segment_feature_data,           sizeof(xd->segment_feature_data));     memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc));    memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1));    memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2));    memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); #if 1    /*TODO:  Remove dequant from BLOCKD.  This is a temporary solution until     * the quantizer code uses a passed in pointer to the dequant constants.     * This will also require modifications to the x86 and neon assembly.     * */    for (i = 0; i < 16; ++i) zd->block[i].dequant = zd->dequant_y1;    for (i = 16; i < 24; ++i) zd->block[i].dequant = zd->dequant_uv;    zd->block[24].dequant = zd->dequant_y2;#endif     memcpy(z->rd_threshes, x->rd_threshes, sizeof(x->rd_threshes));    memcpy(z->rd_thresh_mult, x->rd_thresh_mult, sizeof(x->rd_thresh_mult));     z->zbin_over_quant = x->zbin_over_quant;    z->zbin_mode_boost_enabled = x->zbin_mode_boost_enabled;    z->zbin_mode_boost = x->zbin_mode_boost;     memset(z->error_bins, 0, sizeof(z->error_bins));  }} void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x,                               MB_ROW_COMP *mbr_ei, int count) {  VP8_COMMON *const cm = &cpi->common;  MACROBLOCKD *const xd = &x->e_mbd;  int i;   for (i = 0; i < count; ++i) {    MACROBLOCK *mb = &mbr_ei[i].mb;    MACROBLOCKD *mbd = &mb->e_mbd;     mbd->subpixel_predict = xd->subpixel_predict;    mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;    mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;    mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;    mb->gf_active_ptr = x->gf_active_ptr;     memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));    mbr_ei[i].totalrate = 0;     mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);     mbd->frame_type = cm->frame_type;     mb->src = *cpi->Source;    mbd->pre = cm->yv12_fb[cm->lst_fb_idx];    mbd->dst = cm->yv12_fb[cm->new_fb_idx];     mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);    mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1);    mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1);     vp8_build_block_offsets(mb);     mbd->left_context = &cm->left_context;    mb->mvc = cm->fc.mvc;     setup_mbby_copy(&mbr_ei[i].mb, x);     mbd->fullpixel_mask = 0xffffffff;    if (cm->full_pixel) mbd->fullpixel_mask = 0xfffffff8;     vp8_zero(mb->coef_counts);    vp8_zero(x->ymode_count);    mb->skip_true_count = 0;    vp8_zero(mb->MVcount);    mb->prediction_error = 0;    mb->intra_error = 0;    vp8_zero(mb->count_mb_ref_frame_usage);    mb->mbs_tested_so_far = 0;    mb->mbs_zero_last_dot_suppress = 0;  }} int vp8cx_create_encoder_threads(VP8_COMP *cpi) {  const VP8_COMMON *cm = &cpi->common;   vpx_atomic_init(&cpi->b_multi_threaded, 0);  cpi->encoding_thread_count = 0;  cpi->b_lpf_running = 0;   if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1) {    int ithread;    int th_count = cpi->oxcf.multi_threaded - 1;    int rc = 0;     /* don't allocate more threads than cores available */

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