/* *  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. */  #if !defined(WIN32) && CONFIG_OS_SUPPORT == 1# include <unistd.h>#endif#ifdef __APPLE__#include <mach/mach_init.h>#endif#include "onyxd_int.h"#include "vpx_mem/vpx_mem.h"#include "vp8/common/threading.h" #include "vp8/common/loopfilter.h"#include "vp8/common/extend.h"#include "vpx_ports/vpx_timer.h"#include "detokenize.h"#include "vp8/common/reconinter.h"#include "reconintra_mt.h" extern void mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd);extern void clamp_mvs(MACROBLOCKD *xd);extern void vp8_build_uvmvs(MACROBLOCKD *x, int fullpixel); #if CONFIG_RUNTIME_CPU_DETECT#define RTCD_VTABLE(x) (&(pbi)->common.rtcd.x)#else#define RTCD_VTABLE(x) NULL#endif void vp8_setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count){    VP8_COMMON *const pc = & pbi->common;    int i, j;     for (i = 0; i < count; i++)    {        MACROBLOCKD *mbd = &mbrd[i].mbd;#if CONFIG_RUNTIME_CPU_DETECT        mbd->rtcd = xd->rtcd;#endif        mbd->subpixel_predict        = xd->subpixel_predict;        mbd->subpixel_predict8x4     = xd->subpixel_predict8x4;        mbd->subpixel_predict8x8     = xd->subpixel_predict8x8;        mbd->subpixel_predict16x16   = xd->subpixel_predict16x16;         mbd->mode_info_context = pc->mi   + pc->mode_info_stride * (i + 1);        mbd->mode_info_stride  = pc->mode_info_stride;         mbd->frame_type = pc->frame_type;        mbd->frames_since_golden      = pc->frames_since_golden;        mbd->frames_till_alt_ref_frame  = pc->frames_till_alt_ref_frame;         mbd->pre = pc->yv12_fb[pc->lst_fb_idx];        mbd->dst = pc->yv12_fb[pc->new_fb_idx];         vp8_setup_block_dptrs(mbd);        vp8_build_block_doffsets(mbd);        mbd->segmentation_enabled    = xd->segmentation_enabled;        mbd->mb_segement_abs_delta     = xd->mb_segement_abs_delta;        vpx_memcpy(mbd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));         /*signed char ref_lf_deltas[MAX_REF_LF_DELTAS];*/        vpx_memcpy(mbd->ref_lf_deltas, xd->ref_lf_deltas, sizeof(xd->ref_lf_deltas));        /*signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];*/        vpx_memcpy(mbd->mode_lf_deltas, xd->mode_lf_deltas, sizeof(xd->mode_lf_deltas));        /*unsigned char mode_ref_lf_delta_enabled;        unsigned char mode_ref_lf_delta_update;*/        mbd->mode_ref_lf_delta_enabled    = xd->mode_ref_lf_delta_enabled;        mbd->mode_ref_lf_delta_update    = xd->mode_ref_lf_delta_update;         mbd->current_bc = &pbi->bc2;         for (j = 0; j < 25; j++)        {            mbd->block[j].dequant = xd->block[j].dequant;        }    }     for (i=0; i< pc->mb_rows; i++)        pbi->mt_current_mb_col[i]=-1;}  void vp8mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int mb_col){    int eobtotal = 0;    int i, do_clamp = xd->mode_info_context->mbmi.need_to_clamp_mvs;    VP8_COMMON *pc = &pbi->common;     if (xd->mode_info_context->mbmi.mb_skip_coeff)    {        vp8_reset_mb_tokens_context(xd);    }    else    {        eobtotal = vp8_decode_mb_tokens(pbi, xd);    }     /* Perform temporary clamping of the MV to be used for prediction */    if (do_clamp)    {        clamp_mvs(xd);    }     xd->mode_info_context->mbmi.dc_diff = 1;     if (xd->mode_info_context->mbmi.mode != B_PRED && xd->mode_info_context->mbmi.mode != SPLITMV && eobtotal == 0)    {        xd->mode_info_context->mbmi.dc_diff = 0;         /*mt_skip_recon_mb(pbi, xd, mb_row, mb_col);*/        if (xd->frame_type == KEY_FRAME  ||  xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)        {            vp8mt_build_intra_predictors_mbuv_s(pbi, xd, mb_row, mb_col);            vp8mt_build_intra_predictors_mby_s(pbi, xd, mb_row, mb_col);        }        else        {            vp8_build_inter_predictors_mb_s(xd);        }        return;    }     if (xd->segmentation_enabled)        mb_init_dequantizer(pbi, xd);     /* do prediction */    if (xd->frame_type == KEY_FRAME  ||  xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)    {        vp8mt_build_intra_predictors_mbuv(pbi, xd, mb_row, mb_col);         if (xd->mode_info_context->mbmi.mode != B_PRED)        {            vp8mt_build_intra_predictors_mby(pbi, xd, mb_row, mb_col);        } else {            vp8mt_intra_prediction_down_copy(pbi, xd, mb_row, mb_col);        }    }    else    {        vp8_build_inter_predictors_mb(xd);    }     /* dequantization and idct */    if (xd->mode_info_context->mbmi.mode != B_PRED && xd->mode_info_context->mbmi.mode != SPLITMV)    {        BLOCKD *b = &xd->block[24];        DEQUANT_INVOKE(&pbi->dequant, block)(b);         /* do 2nd order transform on the dc block */        if (xd->eobs[24] > 1)        {            IDCT_INVOKE(RTCD_VTABLE(idct), iwalsh16)(&b->dqcoeff[0], b->diff);            ((int *)b->qcoeff)[0] = 0;            ((int *)b->qcoeff)[1] = 0;            ((int *)b->qcoeff)[2] = 0;            ((int *)b->qcoeff)[3] = 0;            ((int *)b->qcoeff)[4] = 0;            ((int *)b->qcoeff)[5] = 0;            ((int *)b->qcoeff)[6] = 0;            ((int *)b->qcoeff)[7] = 0;        }        else        {            IDCT_INVOKE(RTCD_VTABLE(idct), iwalsh1)(&b->dqcoeff[0], b->diff);            ((int *)b->qcoeff)[0] = 0;        }         DEQUANT_INVOKE (&pbi->dequant, dc_idct_add_y_block)                        (xd->qcoeff, xd->block[0].dequant,                         xd->predictor, xd->dst.y_buffer,                         xd->dst.y_stride, xd->eobs, xd->block[24].diff);    }    else if ((xd->frame_type == KEY_FRAME  ||  xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) && xd->mode_info_context->mbmi.mode == B_PRED)    {        for (i = 0; i < 16; i++)        {            BLOCKD *b = &xd->block[i];            vp8mt_predict_intra4x4(pbi, xd, b->bmi.mode, b->predictor, mb_row, mb_col, i);             if (xd->eobs[i] > 1)            {                DEQUANT_INVOKE(&pbi->dequant, idct_add)                    (b->qcoeff, b->dequant,  b->predictor,                    *(b->base_dst) + b->dst, 16, b->dst_stride);            }            else            {                IDCT_INVOKE(RTCD_VTABLE(idct), idct1_scalar_add)                    (b->qcoeff[0] * b->dequant[0], b->predictor,                    *(b->base_dst) + b->dst, 16, b->dst_stride);                ((int *)b->qcoeff)[0] = 0;            }        }    }    else    {        DEQUANT_INVOKE (&pbi->dequant, idct_add_y_block)                        (xd->qcoeff, xd->block[0].dequant,                         xd->predictor, xd->dst.y_buffer,                         xd->dst.y_stride, xd->eobs);    }     DEQUANT_INVOKE (&pbi->dequant, idct_add_uv_block)                    (xd->qcoeff+16*16, xd->block[16].dequant,                     xd->predictor+16*16, xd->dst.u_buffer, xd->dst.v_buffer,                     xd->dst.uv_stride, xd->eobs+16);}  THREAD_FUNCTION vp8_thread_decoding_proc(void *p_data){    int ithread = ((DECODETHREAD_DATA *)p_data)->ithread;    VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1);    MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2);    ENTROPY_CONTEXT_PLANES mb_row_left_context;     while (1)    {        if (pbi->b_multithreaded_rd == 0)            break;         /*if(WaitForSingleObject(pbi->h_event_start_decoding[ithread], INFINITE) == WAIT_OBJECT_0)*/        if (sem_wait(&pbi->h_event_start_decoding[ithread]) == 0)        {            if (pbi->b_multithreaded_rd == 0)                break;            else            {                VP8_COMMON *pc = &pbi->common;                MACROBLOCKD *xd = &mbrd->mbd;                 int mb_row;                int num_part = 1 << pbi->common.multi_token_partition;                volatile int *last_row_current_mb_col;                int nsync = pbi->sync_range;                 for (mb_row = ithread+1; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1))                {                    int i;                    int recon_yoffset, recon_uvoffset;                    int mb_col;                    int ref_fb_idx = pc->lst_fb_idx;                    int dst_fb_idx = pc->new_fb_idx;                    int recon_y_stride = pc->yv12_fb[ref_fb_idx].y_stride;                    int recon_uv_stride = pc->yv12_fb[ref_fb_idx].uv_stride;                     int filter_level;                    loop_filter_info *lfi = pc->lf_info;                    int alt_flt_enabled = xd->segmentation_enabled;                    int Segment;                     pbi->mb_row_di[ithread].mb_row = mb_row;                    pbi->mb_row_di[ithread].mbd.current_bc =  &pbi->mbc[mb_row%num_part];                     last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1];                     recon_yoffset = mb_row * recon_y_stride * 16;                    recon_uvoffset = mb_row * recon_uv_stride * 8;                    /* reset above block coeffs */                     xd->above_context = pc->above_context;                    xd->left_context = &mb_row_left_context;                    vpx_memset(&mb_row_left_context, 0, sizeof(mb_row_left_context));                    xd->up_available = (mb_row != 0);                     xd->mb_to_top_edge = -((mb_row * 16)) << 3;                    xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3;                     for (mb_col = 0; mb_col < pc->mb_cols; mb_col++)                    {                        if ((mb_col & (nsync-1)) == 0)                        {                            while (mb_col > (*last_row_current_mb_col - nsync) && *last_row_current_mb_col != pc->mb_cols - 1)                            {                                x86_pause_hint();                                thread_sleep(0);                            }                        }                         if (xd->mode_info_context->mbmi.mode == SPLITMV || xd->mode_info_context->mbmi.mode == B_PRED)                        {                            for (i = 0; i < 16; i++)                            {                                BLOCKD *d = &xd->block[i];                                vpx_memcpy(&d->bmi, &xd->mode_info_context->bmi[i], sizeof(B_MODE_INFO));                            }                        }                         if(pbi->common.filter_level)                        {                            /*update loopfilter info*/                            Segment = (alt_flt_enabled) ? xd->mode_info_context->mbmi.segment_id : 0;                            filter_level = pbi->mt_baseline_filter_level[Segment];                            /* Distance of Mb to the various image edges.                             * These are specified to 8th pel as they are always compared to values that are in 1/8th pel units                             * Apply any context driven MB level adjustment                             */                            filter_level = vp8_adjust_mb_lf_value(xd, filter_level);                        }                         /* Distance of Mb to the various image edges.                         * These are 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 = ((pc->mb_cols - 1 - mb_col) * 16) << 3;                         xd->dst.y_buffer = pc->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;                        xd->dst.u_buffer = pc->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;                        xd->dst.v_buffer = pc->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;                         xd->left_available = (mb_col != 0);                         /* Select the appropriate reference frame for this MB */                        if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)                            ref_fb_idx = pc->lst_fb_idx;                        else if (xd->mode_info_context->mbmi.ref_frame == GOLDEN_FRAME)                            ref_fb_idx = pc->gld_fb_idx;                        else                            ref_fb_idx = pc->alt_fb_idx;                         xd->pre.y_buffer = pc->yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;                        xd->pre.u_buffer = pc->yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;                        xd->pre.v_buffer = pc->yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;                         vp8_build_uvmvs(xd, pc->full_pixel);                        vp8mt_decode_macroblock(pbi, xd, mb_row, mb_col);                         if (pbi->common.filter_level)                        {                            if( mb_row != pc->mb_rows-1 )                            {                                /* Save decoded MB last row data for next-row decoding */                                vpx_memcpy((pbi->mt_yabove_row[mb_row + 1] + 32 + mb_col*16), (xd->dst.y_buffer + 15 * recon_y_stride), 16);                                vpx_memcpy((pbi->mt_uabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.u_buffer + 7 * recon_uv_stride), 8);                                vpx_memcpy((pbi->mt_vabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.v_buffer + 7 * recon_uv_stride), 8);                            }                             /* save left_col for next MB decoding */                            if(mb_col != pc->mb_cols-1)                            {                                MODE_INFO *next = xd->mode_info_context +1;                                 if (xd->frame_type == KEY_FRAME  ||  next->mbmi.ref_frame == INTRA_FRAME)                                {                                    for (i = 0; i < 16; i++)                                        pbi->mt_yleft_col[mb_row][i] = xd->dst.y_buffer [i* recon_y_stride + 15];                                    for (i = 0; i < 8; i++)                                    {                                        pbi->mt_uleft_col[mb_row][i] = xd->dst.u_buffer [i* recon_uv_stride + 7];                                        pbi->mt_vleft_col[mb_row][i] = xd->dst.v_buffer [i* recon_uv_stride + 7];                                    }                                }                            }                           /* loopfilter on this macroblock. */                            if (filter_level)                            {                                if (mb_col > 0)                                    pc->lf_mbv(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);                                 if (xd->mode_info_context->mbmi.dc_diff > 0)                                    pc->lf_bv(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);                                 /* don't apply across umv border */                                if (mb_row > 0)                                    pc->lf_mbh(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);                                 if (xd->mode_info_context->mbmi.dc_diff > 0)                                    pc->lf_bh(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi[filter_level], pc->simpler_lpf);                            }                        }                         recon_yoffset += 16;                        recon_uvoffset += 8;                         ++xd->mode_info_context;  /* next mb */                         xd->above_context++;                         /*pbi->mb_row_di[ithread].current_mb_col = mb_col;*/                        pbi->mt_current_mb_col[mb_row] = mb_col;                    }                     /* adjust to the next row of mbs */                    if (pbi->common.filter_level)                    {                        if(mb_row != pc->mb_rows-1)                        {                            int lasty = pc->yv12_fb[ref_fb_idx].y_width + VP8BORDERINPIXELS;                            int lastuv = (pc->yv12_fb[ref_fb_idx].y_width>>1) + (VP8BORDERINPIXELS>>1);                             for (i = 0; i < 4; i++)                            {                                pbi->mt_yabove_row[mb_row +1][lasty + i] = pbi->mt_yabove_row[mb_row +1][lasty -1];                                pbi->mt_uabove_row[mb_row +1][lastuv + i] = pbi->mt_uabove_row[mb_row +1][lastuv -1];                                pbi->mt_vabove_row[mb_row +1][lastuv + i] = pbi->mt_vabove_row[mb_row +1][lastuv -1];                            }                        }                    } else                        vp8_extend_mb_row(&pc->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16, xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);                     ++xd->mode_info_context;      /* skip prediction column */                     /* since we have multithread */                    xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count;                }            }        }        /*  add this to each frame */        if ((mbrd->mb_row == pbi->common.mb_rows-1) || ((mbrd->mb_row == pbi->common.mb_rows-2) && (pbi->common.mb_rows % (pbi->decoding_thread_count+1))==1))        {            /*SetEvent(pbi->h_event_end_decoding);*/            sem_post(&pbi->h_event_end_decoding);        }    }     return 0 ;}  void vp8_decoder_create_threads(VP8D_COMP *pbi){    int core_count = 0;    int ithread;     pbi->b_multithreaded_rd = 0;    pbi->allocated_decoding_thread_count = 0;    core_count = (pbi->max_threads > 16) ? 16 : pbi->max_threads;     if (core_count > 1)    {        pbi->b_multithreaded_rd = 1;        pbi->decoding_thread_count = core_count -1;         CHECK_MEM_ERROR(pbi->h_decoding_thread, vpx_malloc(sizeof(pthread_t) * pbi->decoding_thread_count));        CHECK_MEM_ERROR(pbi->h_event_start_decoding, vpx_malloc(sizeof(sem_t) * pbi->decoding_thread_count));        CHECK_MEM_ERROR(pbi->mb_row_di, vpx_memalign(32, sizeof(MB_ROW_DEC) * pbi->decoding_thread_count));        vpx_memset(pbi->mb_row_di, 0, sizeof(MB_ROW_DEC) * pbi->decoding_thread_count);        CHECK_MEM_ERROR(pbi->de_thread_data, vpx_malloc(sizeof(DECODETHREAD_DATA) * pbi->decoding_thread_count));         for (ithread = 0; ithread < pbi->decoding_thread_count; ithread++)        {            sem_init(&pbi->h_event_start_decoding[ithread], 0, 0);             pbi->de_thread_data[ithread].ithread  = ithread;            pbi->de_thread_data[ithread].ptr1     = (void *)pbi;            pbi->de_thread_data[ithread].ptr2     = (void *) &pbi->mb_row_di[ithread];             pthread_create(&pbi->h_decoding_thread[ithread], 0, vp8_thread_decoding_proc, (&pbi->de_thread_data[ithread]));        }         sem_init(&pbi->h_event_end_decoding, 0, 0);         pbi->allocated_decoding_thread_count = pbi->decoding_thread_count;    }}  void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows){    VP8_COMMON *const pc = & pbi->common;    int i;     if (pbi->b_multithreaded_rd)    {            vpx_free(pbi->mt_current_mb_col);            pbi->mt_current_mb_col = NULL ;         /* Free above_row buffers. */        if (pbi->mt_yabove_row)        {            for (i=0; i< mb_rows; i++)            {                    vpx_free(pbi->mt_yabove_row[i]);                    pbi->mt_yabove_row[i] = NULL ;            }            vpx_free(pbi->mt_yabove_row);            pbi->mt_yabove_row = NULL ;        }         if (pbi->mt_uabove_row)        {            for (i=0; i< mb_rows; i++)            {                    vpx_free(pbi->mt_uabove_row[i]);                    pbi->mt_uabove_row[i] = NULL ;            }            vpx_free(pbi->mt_uabove_row);            pbi->mt_uabove_row = NULL ;        }

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