vpx/vp8/encoder/ethreading.c
Deb Mukherjee 08f6471890 Add 8x8 transform to experimental branch
Please refer to previous commit messages for detailed info:
https://on2-git.corp.google.com/g/#change,5940
https://on2-git.corp.google.com/g/#change,6045

Change-Id: I8b16992f2f69c5a808ad40a3e32ef589cce7c59d
2011-07-20 09:49:22 -07:00

576 lines
22 KiB
C

/*
* 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"
#if CONFIG_MULTITHREAD
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);
#ifdef MODE_STATS
extern unsigned int inter_y_modes[10];
extern unsigned int inter_uv_modes[4];
extern unsigned int inter_b_modes[15];
extern unsigned int y_modes[5];
extern unsigned int uv_modes[4];
extern unsigned int b_modes[14];
#endif
extern void loopfilter_frame(VP8_COMP *cpi, VP8_COMMON *cm);
static THREAD_FUNCTION loopfilter_thread(void *p_data)
{
VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1);
VP8_COMMON *cm = &cpi->common;
while (1)
{
if (cpi->b_multi_threaded == 0)
break;
if (sem_wait(&cpi->h_event_start_lpf) == 0)
{
if (cpi->b_multi_threaded == FALSE) // we're shutting down
break;
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;
const int nsync = cpi->mt_sync_range;
//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_start_encoding[ithread]) == 0)
{
VP8_COMMON *cm = &cpi->common;
int mb_row;
MACROBLOCK *x = &mbri->mb;
MACROBLOCKD *xd = &x->e_mbd;
TOKENEXTRA *tp ;
int *segment_counts = mbri->segment_counts;
int *totalrate = &mbri->totalrate;
if (cpi->b_multi_threaded == FALSE) // we're shutting down
break;
for (mb_row = ithread + 1; mb_row < cm->mb_rows; mb_row += (cpi->encoding_thread_count + 1))
{
int i;
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);
volatile int *last_row_current_mb_col;
tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));
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);
cpi->tplist[mb_row].start = tp;
//printf("Thread mb_row = %d\n", mb_row);
// 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 & (nsync - 1)) == 0)
{
while (mb_col > (*last_row_current_mb_col - nsync) && *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->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
RECON_INVOKE(&xd->rtcd->recon, copy16x16)(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 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[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);
}
else
xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
x->active_ptr = cpi->active_map + map_index + mb_col;
if (cm->frame_type == KEY_FRAME)
{
*totalrate += vp8cx_encode_intra_macro_block(cpi, x, &tp);
#ifdef MODE_STATS
y_modes[xd->mode_info_context->mbmi.mode] ++;
#endif
}
else
{
*totalrate += vp8cx_encode_inter_macroblock(cpi, x, &tp, recon_yoffset, recon_uvoffset);
#ifdef MODE_STATS
inter_y_modes[xd->mode_info_context->mbmi.mode] ++;
if (xd->mode_info_context->mbmi.mode == SPLITMV)
{
int b;
for (b = 0; b < x->partition_info->count; b++)
{
inter_b_modes[x->partition_info->bmi[b].mode] ++;
}
}
#endif
// Count of last ref frame 0,0 useage
if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
cpi->inter_zz_count++;
// 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 sgmentation map
if (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;
}
}
cpi->tplist[mb_row].stop = tp;
// Increment pointer into gf useage flags structure.
x->gf_active_ptr++;
// Increment the activity mask pointers.
x->mb_activity_ptr++;
/* save the block info */
for (i = 0; i < 16; i++)
xd->mode_info_context->bmi[i] = 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->mode_info_context->mbmi.segment_id]++;
// skip to next mb
xd->mode_info_context++;
x->partition_info++;
xd->above_context++;
cpi->mt_current_mb_col[mb_row] = mb_col;
}
//extend the recon for intra prediction
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);
// 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;
if (mb_row == cm->mb_rows - 1)
{
//SetEvent(cpi->h_event_main);
sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
}
}
}
}
//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->vector_range = x->vector_range ;
*/
z->vp8_short_fdct4x4 = x->vp8_short_fdct4x4;
z->vp8_short_fdct8x4 = x->vp8_short_fdct8x4;
z->short_walsh4x4 = x->short_walsh4x4;
z->quantize_b = x->quantize_b;
z->quantize_b_pair = x->quantize_b_pair;
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;
*/
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][mvfp_max+1];
z->mvsadcost[1] = &z->mvsadcosts[1][mvfp_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].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 = 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));
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
mb->gf_active_ptr = x->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;
mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 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->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);
vp8_setup_block_dptrs(mbd);
vp8_setup_block_ptrs(mb);
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)
{
const VP8_COMMON * cm = &cpi->common;
cpi->b_multi_threaded = 0;
cpi->encoding_thread_count = 0;
if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1)
{
int ithread;
int th_count = cpi->oxcf.multi_threaded - 1;
/* don't allocate more threads than cores available */
if (cpi->oxcf.multi_threaded > cm->processor_core_count)
th_count = cm->processor_core_count - 1;
/* we have th_count + 1 (main) threads processing one row each */
/* no point to have more threads than the sync range allows */
if(th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1))
{
th_count = (cm->mb_cols / cpi->mt_sync_range) - 1;
}
if(th_count == 0)
return;
CHECK_MEM_ERROR(cpi->h_encoding_thread, vpx_malloc(sizeof(pthread_t) * th_count));
CHECK_MEM_ERROR(cpi->h_event_start_encoding, vpx_malloc(sizeof(sem_t) * th_count));
CHECK_MEM_ERROR(cpi->mb_row_ei, vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count));
vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count);
CHECK_MEM_ERROR(cpi->en_thread_data,
vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count));
CHECK_MEM_ERROR(cpi->mt_current_mb_col,
vpx_malloc(sizeof(*cpi->mt_current_mb_col) * cm->mb_rows));
sem_init(&cpi->h_event_end_encoding, 0, 0);
cpi->b_multi_threaded = 1;
cpi->encoding_thread_count = th_count;
/*
printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n",
(cpi->encoding_thread_count +1));
*/
for (ithread = 0; ithread < th_count; ithread++)
{
ENCODETHREAD_DATA * ethd = &cpi->en_thread_data[ithread];
sem_init(&cpi->h_event_start_encoding[ithread], 0, 0);
ethd->ithread = ithread;
ethd->ptr1 = (void *)cpi;
ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread];
pthread_create(&cpi->h_encoding_thread[ithread], 0, thread_encoding_proc, ethd);
}
{
LPFTHREAD_DATA * lpfthd = &cpi->lpf_thread_data;
sem_init(&cpi->h_event_start_lpf, 0, 0);
sem_init(&cpi->h_event_end_lpf, 0, 0);
lpfthd->ptr1 = (void *)cpi;
pthread_create(&cpi->h_filter_thread, 0, loopfilter_thread, lpfthd);
}
}
}
void vp8cx_remove_encoder_threads(VP8_COMP *cpi)
{
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_start_encoding[i]);
pthread_join(cpi->h_encoding_thread[i], 0);
sem_destroy(&cpi->h_event_start_encoding[i]);
}
sem_post(&cpi->h_event_start_lpf);
pthread_join(cpi->h_filter_thread, 0);
}
sem_destroy(&cpi->h_event_end_encoding);
sem_destroy(&cpi->h_event_end_lpf);
sem_destroy(&cpi->h_event_start_lpf);
//free thread related resources
vpx_free(cpi->h_event_start_encoding);
vpx_free(cpi->h_encoding_thread);
vpx_free(cpi->mb_row_ei);
vpx_free(cpi->en_thread_data);
vpx_free(cpi->mt_current_mb_col);
}
}
#endif