ref: 397aad3ec28020a9b766e362e061701783c9633e
dir: /vp8/encoder/ethreading.c/
/*
* 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.
*/
#include "onyx_int.h"
#include "threading.h"
#include "common.h"
#include "extend.h"
extern int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, int recon_yoffset, int recon_uvoffset);
extern int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);
extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8_build_block_offsets(MACROBLOCK *x);
extern void vp8_setup_block_ptrs(MACROBLOCK *x);
static
THREAD_FUNCTION thread_encoding_proc(void *p_data)
{
#if CONFIG_MULTITHREAD
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 mb_row_left_context[4][4];
//printf("Started thread %d\n", ithread);
while (1)
{
if (cpi->b_multi_threaded == 0)
break;
//if(WaitForSingleObject(cpi->h_event_mbrencoding[ithread], INFINITE) == WAIT_OBJECT_0)
if (sem_wait(&cpi->h_event_mbrencoding[ithread]) == 0)
{
if (cpi->b_multi_threaded == FALSE) // we're shutting down
break;
else
{
VP8_COMMON *cm = &cpi->common;
int mb_row = mbri->mb_row;
MACROBLOCK *x = &mbri->mb;
MACROBLOCKD *xd = &x->e_mbd;
TOKENEXTRA **tp = &mbri->tp;
int *segment_counts = mbri->segment_counts;
int *totalrate = &mbri->totalrate;
{
int i;
int recon_yoffset, recon_uvoffset;
int mb_col;
int recon_y_stride = cm->last_frame.y_stride;
int recon_uv_stride = cm->last_frame.uv_stride;
volatile int *last_row_current_mb_col;
if (ithread > 0)
last_row_current_mb_col = &cpi->mb_row_ei[ithread-1].current_mb_col;
else
last_row_current_mb_col = &cpi->current_mb_col_main;
// reset above block coeffs
xd->above_context[Y1CONTEXT] = cm->above_context[Y1CONTEXT];
xd->above_context[UCONTEXT ] = cm->above_context[UCONTEXT ];
xd->above_context[VCONTEXT ] = cm->above_context[VCONTEXT ];
xd->above_context[Y2CONTEXT] = cm->above_context[Y2CONTEXT];
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);
cpi->tplist[mb_row].start = *tp;
//printf("Thread mb_row = %d\n", mb_row);
// for each macroblock col in image
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
{
int seg_map_index = (mb_row * cm->mb_cols);
while (mb_col > (*last_row_current_mb_col - 1) && *last_row_current_mb_col != cm->mb_cols - 1)
{
x86_pause_hint();
thread_sleep(0);
}
// 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->new_frame.y_buffer + recon_yoffset;
xd->dst.u_buffer = cm->new_frame.u_buffer + recon_uvoffset;
xd->dst.v_buffer = cm->new_frame.v_buffer + recon_uvoffset;
xd->left_available = (mb_col != 0);
// Is segmentation enabled
// MB level adjutment 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[seg_map_index+mb_col] <= 3)
xd->mbmi.segment_id = cpi->segmentation_map[seg_map_index+mb_col];
else
xd->mbmi.segment_id = 0;
vp8cx_mb_init_quantizer(cpi, x);
}
else
xd->mbmi.segment_id = 0; // Set to Segment 0 by default
if (cm->frame_type == KEY_FRAME)
{
*totalrate += vp8cx_encode_intra_macro_block(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);
#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[xd->mbmi.partition_bmi[b].mode] ++;
}
}
#endif
// Count of last ref frame 0,0 useage
if ((xd->mbmi.mode == ZEROMV) && (xd->mbmi.ref_frame == LAST_FRAME))
cpi->inter_zz_count ++;
}
cpi->tplist[mb_row].stop = *tp;
xd->gf_active_ptr++; // Increment pointer into gf useage flags structure for next mb
// store macroblock mode info into context array
vpx_memcpy(&xd->mode_info_context->mbmi, &xd->mbmi, sizeof(xd->mbmi));
for (i = 0; i < 16; i++)
vpx_memcpy(&xd->mode_info_context->bmi[i], &xd->block[i].bmi, sizeof(xd->block[i].bmi));
// 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 useage
segment_counts[xd->mbmi.segment_id] ++;
// skip to next mb
xd->mode_info_context++;
xd->above_context[Y1CONTEXT] += 4;
xd->above_context[UCONTEXT ] += 2;
xd->above_context[VCONTEXT ] += 2;
xd->above_context[Y2CONTEXT] ++;
cpi->mb_row_ei[ithread].current_mb_col = mb_col;
}
//extend the recon for intra prediction
vp8_extend_mb_row(
&cm->new_frame,
xd->dst.y_buffer + 16,
xd->dst.u_buffer + 8,
xd->dst.v_buffer + 8);
// this is to account for the border
xd->mode_info_context++;
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;
if (ithread == (cpi->encoding_thread_count - 1) || mb_row == cm->mb_rows - 1)
{
//SetEvent(cpi->h_event_main);
sem_post(&cpi->h_event_main);
}
}
}
}
}
#else
(void) p_data;
#endif
//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->errthresh = x->errthresh;
z->rddiv = x->rddiv;
z->rdmult = x->rdmult;
/*
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->vector_range = x->vector_range ;
*/
z->vp8_short_fdct4x4 = x->vp8_short_fdct4x4;
z->vp8_short_fdct8x4 = x->vp8_short_fdct8x4;
z->short_fdct4x4rd = x->short_fdct4x4rd;
z->short_fdct8x4rd = x->short_fdct8x4rd;
z->short_fdct8x4rd = x->short_fdct8x4rd;
z->short_walsh4x4 = x->short_walsh4x4;
z->quantize_b = x->quantize_b;
/*
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;
*/
vpx_memcpy(z->mvcosts, x->mvcosts, sizeof(x->mvcosts));
z->mvcost[0] = &z->mvcosts[0][mv_max+1];
z->mvcost[1] = &z->mvcosts[1][mv_max+1];
z->mvsadcost[0] = &z->mvsadcosts[0][mv_max+1];
z->mvsadcost[1] = &z->mvsadcosts[1][mv_max+1];
vpx_memcpy(z->token_costs, x->token_costs, sizeof(x->token_costs));
vpx_memcpy(z->inter_bmode_costs, x->inter_bmode_costs, sizeof(x->inter_bmode_costs));
//memcpy(z->mvcosts, x->mvcosts, sizeof(x->mvcosts));
//memcpy(z->mvcost, x->mvcost, sizeof(x->mvcost));
vpx_memcpy(z->mbmode_cost, x->mbmode_cost, sizeof(x->mbmode_cost));
vpx_memcpy(z->intra_uv_mode_cost, x->intra_uv_mode_cost, sizeof(x->intra_uv_mode_cost));
vpx_memcpy(z->bmode_costs, x->bmode_costs, sizeof(x->bmode_costs));
for (i = 0; i < 25; i++)
{
z->block[i].quant = x->block[i].quant;
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 = x->block[i].src;
*/
z->block[i].src_stride = x->block[i].src_stride;
z->block[i].force_empty = x->block[i].force_empty;
}
{
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;
vpx_memcpy(zd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));
/*
memcpy(zd->above_context, xd->above_context, sizeof(xd->above_context));
memcpy(zd->mb_segment_tree_probs, xd->mb_segment_tree_probs, sizeof(xd->mb_segment_tree_probs));
memcpy(zd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data));
*/
for (i = 0; i < 25; i++)
{
zd->block[i].dequant = xd->block[i].dequant;
}
}
}
void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
MACROBLOCK *x,
MB_ROW_COMP *mbr_ei,
int mb_row,
int count
)
{
VP8_COMMON *const cm = & cpi->common;
MACROBLOCKD *const xd = & x->e_mbd;
int i;
(void) mb_row;
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;
#if CONFIG_RUNTIME_CPU_DETECT
mbd->rtcd = xd->rtcd;
#endif
mbd->gf_active_ptr = xd->gf_active_ptr;
mb->vector_range = 32;
vpx_memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
mbr_ei[i].totalrate = 0;
mbd->mode_info = cm->mi - 1;
mbd->mode_info_context = cm->mi + x->e_mbd.mode_info_stride * (i + 1);
mbd->mode_info_stride = cm->mode_info_stride;
mbd->frame_type = cm->frame_type;
mbd->frames_since_golden = cm->frames_since_golden;
mbd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;
mb->src = * cpi->Source;
mbd->pre = cm->last_frame;
mbd->dst = cm->new_frame;
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);
vp8_setup_block_dptrs(mbd);
vp8_setup_block_ptrs(mb);
mb->rddiv = cpi->RDDIV;
mb->rdmult = cpi->RDMULT;
mbd->mbmi.mode = DC_PRED;
mbd->mbmi.uv_mode = DC_PRED;
mbd->left_context = cm->left_context;
mb->mvc = cm->fc.mvc;
setup_mbby_copy(&mbr_ei[i].mb, x);
}
}
void vp8cx_create_encoder_threads(VP8_COMP *cpi)
{
cpi->b_multi_threaded = 0;
cpi->processor_core_count = 32; //vp8_get_proc_core_count();
CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cpi->common.mb_rows));
#if CONFIG_MULTITHREAD
if (cpi->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
{
int ithread;
if (cpi->oxcf.multi_threaded > cpi->processor_core_count)
cpi->encoding_thread_count = cpi->processor_core_count - 1;
else
cpi->encoding_thread_count = cpi->oxcf.multi_threaded - 1;
CHECK_MEM_ERROR(cpi->h_encoding_thread, vpx_malloc(sizeof(pthread_t) * cpi->encoding_thread_count));
CHECK_MEM_ERROR(cpi->h_event_mbrencoding, vpx_malloc(sizeof(sem_t) * cpi->encoding_thread_count));
CHECK_MEM_ERROR(cpi->mb_row_ei, vpx_memalign(32, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count));
vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * cpi->encoding_thread_count);
CHECK_MEM_ERROR(cpi->en_thread_data, vpx_malloc(sizeof(ENCODETHREAD_DATA) * cpi->encoding_thread_count));
//cpi->h_event_main = CreateEvent(NULL, FALSE, FALSE, NULL);
sem_init(&cpi->h_event_main, 0, 0);
cpi->b_multi_threaded = 1;
//printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", (cpi->encoding_thread_count +1));
for (ithread = 0; ithread < cpi->encoding_thread_count; ithread++)
{
//cpi->h_event_mbrencoding[ithread] = CreateEvent(NULL, FALSE, FALSE, NULL);
sem_init(&cpi->h_event_mbrencoding[ithread], 0, 0);
cpi->en_thread_data[ithread].ithread = ithread;
cpi->en_thread_data[ithread].ptr1 = (void *)cpi;
cpi->en_thread_data[ithread].ptr2 = (void *)&cpi->mb_row_ei[ithread];
//printf(" call begin thread %d \n", ithread);
//cpi->h_encoding_thread[ithread] = (HANDLE)_beginthreadex(
// NULL, // security
// 0, // stksize
// thread_encoding_proc,
// (&cpi->en_thread_data[ithread]), // Thread data
// 0,
// NULL);
pthread_create(&cpi->h_encoding_thread[ithread], 0, thread_encoding_proc, (&cpi->en_thread_data[ithread]));
}
}
#endif
}
void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
{
#if CONFIG_MULTITHREAD
if (cpi->b_multi_threaded)
{
//shutdown other threads
cpi->b_multi_threaded = 0;
{
int i;
for (i = 0; i < cpi->encoding_thread_count; i++)
{
//SetEvent(cpi->h_event_mbrencoding[i]);
sem_post(&cpi->h_event_mbrencoding[i]);
pthread_join(cpi->h_encoding_thread[i], 0);
}
for (i = 0; i < cpi->encoding_thread_count; i++)
sem_destroy(&cpi->h_event_mbrencoding[i]);
}
//free thread related resources
vpx_free(cpi->h_event_mbrencoding);
vpx_free(cpi->h_encoding_thread);
vpx_free(cpi->mb_row_ei);
vpx_free(cpi->en_thread_data);
}
#endif
vpx_free(cpi->tplist);
}