/* *  Copyright (c) 2010 The VP8 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. */  #ifndef WIN32# include <unistd.h>#endif#ifdef __APPLE__#include <mach/mach_init.h>#endif#include "onyxd_int.h"#include "vpx_mem/vpx_mem.h"#include "threading.h" #include "loopfilter.h"#include "extend.h"#include "vpx_ports/vpx_timer.h" #define MAX_ROWS 256 extern void vp8_decode_mb_row(VP8D_COMP *pbi,                              VP8_COMMON *pc,                              int mb_row,                              MACROBLOCKD *xd); extern void vp8_build_uvmvs(MACROBLOCKD *x, int fullpixel);extern void vp8_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd); void vp8_thread_loop_filter(VP8D_COMP *pbi, MB_ROW_DEC *mbrd, int ithread); void vp8_setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count){#if CONFIG_MULTITHREAD    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        = pc->mi - 1;        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));         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->current_mb_col[i]=-1;#else    (void) pbi;    (void) xd;    (void) mbrd;    (void) count;#endif} void vp8_setup_loop_filter_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count){#if CONFIG_MULTITHREAD    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        = pc->mi - 1;        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->mbmi.mode = DC_PRED;        //mbd->mbmi.uv_mode = DC_PRED;        //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->current_mb_col[i]=-1;#else    (void) pbi;    (void) xd;    (void) mbrd;    (void) count;#endif} THREAD_FUNCTION vp8_thread_decoding_proc(void *p_data){#if CONFIG_MULTITHREAD    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)    {        int current_filter_level = 0;         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;                 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;                     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->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 & 7) == 0)                        {                            while (mb_col > (*last_row_current_mb_col - 8) && *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));                            }                        }                         // 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 = ((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);                         vp8_decode_macroblock(pbi, xd);                         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->current_mb_col[mb_row] = mb_col;                    }                     // adjust to the next row of mbs                    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;                     pbi->last_mb_row_decoded = mb_row;                 }            }        }         // If |pbi->common.filter_level| is 0 the value can change in-between        // the sem_post and the check to call vp8_thread_loop_filter.        current_filter_level = pbi->common.filter_level;         //  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);        }         if ((pbi->b_multithreaded_lf) && (current_filter_level))            vp8_thread_loop_filter(pbi, mbrd, ithread);     }#else    (void) p_data;#endif     return 0 ;}  void vp8_thread_loop_filter(VP8D_COMP *pbi, MB_ROW_DEC *mbrd, int ithread){#if CONFIG_MULTITHREAD         if (sem_wait(&pbi->h_event_start_lpf[ithread]) == 0)        {           // if (pbi->b_multithreaded_lf == 0) // we're shutting down      ????           //     break;           // else            {                VP8_COMMON *cm  = &pbi->common;                MACROBLOCKD *mbd = &mbrd->mbd;                int default_filt_lvl = pbi->common.filter_level;                 YV12_BUFFER_CONFIG *post = cm->frame_to_show;                loop_filter_info *lfi = cm->lf_info;                //int frame_type = cm->frame_type;                 int mb_row;                int mb_col;                 int filter_level;                int alt_flt_enabled = mbd->segmentation_enabled;                 int i;                unsigned char *y_ptr, *u_ptr, *v_ptr;                 volatile int *last_row_current_mb_col;                 // Set up the buffer pointers                y_ptr = post->y_buffer + post->y_stride  * 16 * (ithread +1);                u_ptr = post->u_buffer + post->uv_stride *  8 * (ithread +1);                v_ptr = post->v_buffer + post->uv_stride *  8 * (ithread +1);                 // vp8_filter each macro block                for (mb_row = ithread+1; mb_row < cm->mb_rows; mb_row+= (pbi->decoding_thread_count + 1))                {                    last_row_current_mb_col = &pbi->current_mb_col[mb_row -1];                     for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)                    {                        int Segment = (alt_flt_enabled) ? mbd->mode_info_context->mbmi.segment_id : 0;                         if ((mb_col & 7) == 0)                        {                            while (mb_col > (*last_row_current_mb_col-8) && *last_row_current_mb_col != cm->mb_cols - 1)                            {                                x86_pause_hint();                                thread_sleep(0);                            }                        }                         filter_level = pbi->mt_baseline_filter_level[Segment];                         // Apply any context driven MB level adjustment                        vp8_adjust_mb_lf_value(mbd, &filter_level);                         if (filter_level)                        {                            if (mb_col > 0)                                cm->lf_mbv(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf);                             if (mbd->mode_info_context->mbmi.dc_diff > 0)                                cm->lf_bv(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf);                             // don't apply across umv border                            if (mb_row > 0)                                cm->lf_mbh(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf);                             if (mbd->mode_info_context->mbmi.dc_diff > 0)                                cm->lf_bh(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf);                        }                         y_ptr += 16;                        u_ptr += 8;                        v_ptr += 8;                         mbd->mode_info_context++;     // step to next MB                        pbi->current_mb_col[mb_row] = mb_col;                    }                     mbd->mode_info_context++;         // Skip border mb                     y_ptr += post->y_stride  * 16 * (pbi->decoding_thread_count + 1) - post->y_width;                    u_ptr += post->uv_stride *  8 * (pbi->decoding_thread_count + 1) - post->uv_width;                    v_ptr += post->uv_stride *  8 * (pbi->decoding_thread_count + 1) - post->uv_width;                     mbd->mode_info_context += pbi->decoding_thread_count * mbd->mode_info_stride;         // Skip border mb                }            }        }         //  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))        {          sem_post(&pbi->h_event_end_lpf);        }#else    (void) pbi;#endif} void vp8_decoder_create_threads(VP8D_COMP *pbi){#if CONFIG_MULTITHREAD    int core_count = 0;    int ithread;     pbi->b_multithreaded_rd = 0;    pbi->b_multithreaded_lf = 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->b_multithreaded_lf = 1;  // this can be merged with pbi->b_multithreaded_rd ?        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));         CHECK_MEM_ERROR(pbi->current_mb_col, vpx_malloc(sizeof(int) * MAX_ROWS));  // pc->mb_rows));        CHECK_MEM_ERROR(pbi->h_event_start_lpf, vpx_malloc(sizeof(sem_t) * pbi->decoding_thread_count));         for (ithread = 0; ithread < pbi->decoding_thread_count; ithread++)        {            sem_init(&pbi->h_event_start_decoding[ithread], 0, 0);            sem_init(&pbi->h_event_start_lpf[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);        sem_init(&pbi->h_event_end_lpf, 0, 0);         pbi->allocated_decoding_thread_count = pbi->decoding_thread_count;    } #else    (void) pbi;#endif} void vp8_decoder_remove_threads(VP8D_COMP *pbi){#if CONFIG_MULTITHREAD     if (pbi->b_multithreaded_lf)    {        int i;        pbi->b_multithreaded_lf = 0;         for (i = 0; i < pbi->allocated_decoding_thread_count; i++)            sem_destroy(&pbi->h_event_start_lpf[i]);         sem_destroy(&pbi->h_event_end_lpf);    }     //shutdown MB Decoding thread;    if (pbi->b_multithreaded_rd)    {        int i;         pbi->b_multithreaded_rd = 0;         // allow all threads to exit        for (i = 0; i < pbi->allocated_decoding_thread_count; i++)        {            sem_post(&pbi->h_event_start_decoding[i]);            pthread_join(pbi->h_decoding_thread[i], NULL);        }         for (i = 0; i < pbi->allocated_decoding_thread_count; i++)        {            sem_destroy(&pbi->h_event_start_decoding[i]);        }         sem_destroy(&pbi->h_event_end_decoding);         if (pbi->h_decoding_thread)        {            vpx_free(pbi->h_decoding_thread);            pbi->h_decoding_thread = NULL;        } 

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