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vpx/vp8/decoder/threading.c
Scott LaVarnway caed92d0e5 Import a decoder bug fix from public stable branch 
Please see the following public commit for details:
https://gerrit.chromium.org/gerrit/#change,7608

Change-Id: I589eed0b6078e2c5c9c74e942886e503bd02b273
2012-02-01 14:56:11 -08:00

1016 lines
42 KiB
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/*
* 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
#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"
#if CONFIG_ERROR_CONCEALMENT
#include "error_concealment.h"
#endif
extern void mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd);
#if CONFIG_RUNTIME_CPU_DETECT
#define RTCD_VTABLE(x) (&(pbi)->common.rtcd.x)
#else
#define RTCD_VTABLE(x) NULL
#endif
static void 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;
#if CONFIG_DUALPRED
mbd->subpixel_predict_avg8x8 = xd->subpixel_predict_avg8x8;
mbd->subpixel_predict_avg16x16 = xd->subpixel_predict_avg16x16;
#endif /* CONFIG_DUALPRED */
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));
//#if CONFIG_SEGFEATURES
vpx_memcpy(mbd->segment_feature_mask,
xd->segment_feature_mask,
sizeof(xd->segment_feature_mask));
/*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;
}
mbd->fullpixel_mask = 0xffffffff;
if(pc->full_pixel)
mbd->fullpixel_mask = 0xfffffff8;
}
for (i=0; i< pc->mb_rows; i++)
pbi->mt_current_mb_col[i]=-1;
}
static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int mb_col)
{
int eobtotal = 0;
int throw_residual = 0;
int i;
if (xd->mode_info_context->mbmi.mb_skip_coeff)
{
vp8_reset_mb_tokens_context(xd);
}
else if (!vp8dx_bool_error(xd->current_bc))
{
eobtotal = vp8_decode_mb_tokens(pbi, xd);
}
eobtotal |= (xd->mode_info_context->mbmi.mode == B_PRED ||
xd->mode_info_context->mbmi.mode == SPLITMV);
if (!eobtotal && !vp8dx_bool_error(xd->current_bc))
{
/* Special case: Force the loopfilter to skip when eobtotal and
* mb_skip_coeff are zero.
* */
xd->mode_info_context->mbmi.mb_skip_coeff = 1;
/*mt_skip_recon_mb(pbi, xd, mb_row, mb_col);*/
if (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_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
xd->dst.u_buffer, xd->dst.v_buffer,
xd->dst.y_stride, xd->dst.uv_stride);
}
return;
}
if (xd->segmentation_enabled)
mb_init_dequantizer(pbi, xd);
/* do prediction */
if (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);
}
/* When we have independent partitions we can apply residual even
* though other partitions within the frame are corrupt.
*/
throw_residual = (!pbi->independent_partitions &&
pbi->frame_corrupt_residual);
throw_residual = (throw_residual || vp8dx_bool_error(xd->current_bc));
#if CONFIG_ERROR_CONCEALMENT
if (pbi->ec_active &&
(mb_row * pbi->common.mb_cols + mb_col >= pbi->mvs_corrupt_from_mb ||
throw_residual))
{
/* MB with corrupt residuals or corrupt mode/motion vectors.
* Better to use the predictor as reconstruction.
*/
pbi->frame_corrupt_residual = 1;
vpx_memset(xd->qcoeff, 0, sizeof(xd->qcoeff));
vp8_conceal_corrupt_mb(xd);
return;
}
#endif
/* 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->mode_info_context->mbmi.mode == B_PRED)
{
for (i = 0; i < 16; i++)
{
BLOCKD *b = &xd->block[i];
int b_mode = xd->mode_info_context->bmi[i].as_mode;
vp8mt_predict_intra4x4(pbi, xd, b_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);
}
static THREAD_FUNCTION 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_n *lfi_n = &pc->lf_info;
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);
}
}
/* 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;
#if CONFIG_ERROR_CONCEALMENT
{
int corrupt_residual =
(!pbi->independent_partitions &&
pbi->frame_corrupt_residual) ||
vp8dx_bool_error(xd->current_bc);
if (pbi->ec_active &&
(xd->mode_info_context->mbmi.ref_frame ==
INTRA_FRAME) &&
corrupt_residual)
{
/* We have an intra block with corrupt
* coefficients, better to conceal with an inter
* block.
* Interpolate MVs from neighboring MBs
*
* Note that for the first mb with corrupt
* residual in a frame, we might not discover
* that before decoding the residual. That
* happens after this check, and therefore no
* inter concealment will be done.
*/
vp8_interpolate_motion(xd,
mb_row, mb_col,
pc->mb_rows, pc->mb_cols,
pc->mode_info_stride);
}
}
#endif
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;
if (xd->mode_info_context->mbmi.ref_frame !=
INTRA_FRAME)
{
/* propagate errors from reference frames */
xd->corrupted |= pc->yv12_fb[ref_fb_idx].corrupted;
}
decode_macroblock(pbi, xd, mb_row, mb_col);
/* check if the boolean decoder has suffered an error */
xd->corrupted |= vp8dx_bool_error(xd->current_bc);
if (pbi->common.filter_level)
{
int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED &&
xd->mode_info_context->mbmi.mode != SPLITMV &&
xd->mode_info_context->mbmi.mb_skip_coeff);
const int mode_index = lfi_n->mode_lf_lut[xd->mode_info_context->mbmi.mode];
const int seg = xd->mode_info_context->mbmi.segment_id;
const int ref_frame = xd->mode_info_context->mbmi.ref_frame;
filter_level = lfi_n->lvl[seg][ref_frame][mode_index];
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 (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(pc->filter_type == NORMAL_LOOPFILTER)
{
loop_filter_info lfi;
FRAME_TYPE frame_type = pc->frame_type;
const int hev_index = lfi_n->hev_thr_lut[frame_type][filter_level];
lfi.mblim = lfi_n->mblim[filter_level];
lfi.blim = lfi_n->blim[filter_level];
lfi.lim = lfi_n->lim[filter_level];
lfi.hev_thr = lfi_n->hev_thr[hev_index];
if (mb_col > 0)
LF_INVOKE(&pc->rtcd.loopfilter, normal_mb_v)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, normal_b_v)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
/* don't apply across umv border */
if (mb_row > 0)
LF_INVOKE(&pc->rtcd.loopfilter, normal_mb_h)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, normal_b_h)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
}
else
{
if (mb_col > 0)
LF_INVOKE(&pc->rtcd.loopfilter, simple_mb_v)
(xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, simple_b_v)
(xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]);
/* don't apply across umv border */
if (mb_row > 0)
LF_INVOKE(&pc->rtcd.loopfilter, simple_mb_h)
(xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, simple_b_h)
(xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]);
}
}
}
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;
/* limit decoding threads to the max number of token partitions */
core_count = (pbi->max_threads > 8) ? 8 : pbi->max_threads;
/* limit decoding threads to the available cores */
if (core_count > pbi->common.processor_core_count)
core_count = pbi->common.processor_core_count;
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, 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)
{
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 ;
}
if (pbi->mt_vabove_row)
{
for (i=0; i< mb_rows; i++)
{
vpx_free(pbi->mt_vabove_row[i]);
pbi->mt_vabove_row[i] = NULL ;
}
vpx_free(pbi->mt_vabove_row);
pbi->mt_vabove_row = NULL ;
}
/* Free left_col buffers. */
if (pbi->mt_yleft_col)
{
for (i=0; i< mb_rows; i++)
{
vpx_free(pbi->mt_yleft_col[i]);
pbi->mt_yleft_col[i] = NULL ;
}
vpx_free(pbi->mt_yleft_col);
pbi->mt_yleft_col = NULL ;
}
if (pbi->mt_uleft_col)
{
for (i=0; i< mb_rows; i++)
{
vpx_free(pbi->mt_uleft_col[i]);
pbi->mt_uleft_col[i] = NULL ;
}
vpx_free(pbi->mt_uleft_col);
pbi->mt_uleft_col = NULL ;
}
if (pbi->mt_vleft_col)
{
for (i=0; i< mb_rows; i++)
{
vpx_free(pbi->mt_vleft_col[i]);
pbi->mt_vleft_col[i] = NULL ;
}
vpx_free(pbi->mt_vleft_col);
pbi->mt_vleft_col = NULL ;
}
}
}
void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows)
{
VP8_COMMON *const pc = & pbi->common;
int i;
int uv_width;
if (pbi->b_multithreaded_rd)
{
vp8mt_de_alloc_temp_buffers(pbi, prev_mb_rows);
/* our internal buffers are always multiples of 16 */
if ((width & 0xf) != 0)
width += 16 - (width & 0xf);
if (width < 640) pbi->sync_range = 1;
else if (width <= 1280) pbi->sync_range = 8;
else if (width <= 2560) pbi->sync_range =16;
else pbi->sync_range = 32;
uv_width = width >>1;
/* Allocate an int for each mb row. */
CHECK_MEM_ERROR(pbi->mt_current_mb_col, vpx_malloc(sizeof(int) * pc->mb_rows));
/* Allocate memory for above_row buffers. */
CHECK_MEM_ERROR(pbi->mt_yabove_row, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_yabove_row[i], vpx_calloc(sizeof(unsigned char) * (width + (VP8BORDERINPIXELS<<1)), 1));
CHECK_MEM_ERROR(pbi->mt_uabove_row, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_uabove_row[i], vpx_calloc(sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS), 1));
CHECK_MEM_ERROR(pbi->mt_vabove_row, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_vabove_row[i], vpx_calloc(sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS), 1));
/* Allocate memory for left_col buffers. */
CHECK_MEM_ERROR(pbi->mt_yleft_col, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_yleft_col[i], vpx_calloc(sizeof(unsigned char) * 16, 1));
CHECK_MEM_ERROR(pbi->mt_uleft_col, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_uleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1));
CHECK_MEM_ERROR(pbi->mt_vleft_col, vpx_malloc(sizeof(unsigned char *) * pc->mb_rows));
for (i=0; i< pc->mb_rows; i++)
CHECK_MEM_ERROR(pbi->mt_vleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1));
}
}
void vp8_decoder_remove_threads(VP8D_COMP *pbi)
{
/* 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);
vpx_free(pbi->h_decoding_thread);
pbi->h_decoding_thread = NULL;
vpx_free(pbi->h_event_start_decoding);
pbi->h_event_start_decoding = NULL;
vpx_free(pbi->mb_row_di);
pbi->mb_row_di = NULL ;
vpx_free(pbi->de_thread_data);
pbi->de_thread_data = NULL;
}
}
void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd)
{
int mb_row;
VP8_COMMON *pc = &pbi->common;
int num_part = 1 << pbi->common.multi_token_partition;
int i;
volatile int *last_row_current_mb_col = NULL;
int nsync = pbi->sync_range;
int filter_level = pc->filter_level;
loop_filter_info_n *lfi_n = &pc->lf_info;
if (filter_level)
{
/* Set above_row buffer to 127 for decoding first MB row */
vpx_memset(pbi->mt_yabove_row[0] + VP8BORDERINPIXELS-1, 127, pc->yv12_fb[pc->lst_fb_idx].y_width + 5);
vpx_memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (pc->yv12_fb[pc->lst_fb_idx].y_width>>1) +5);
vpx_memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (pc->yv12_fb[pc->lst_fb_idx].y_width>>1) +5);
for (i=1; i<pc->mb_rows; i++)
{
vpx_memset(pbi->mt_yabove_row[i] + VP8BORDERINPIXELS-1, (unsigned char)129, 1);
vpx_memset(pbi->mt_uabove_row[i] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
vpx_memset(pbi->mt_vabove_row[i] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
}
/* Set left_col to 129 initially */
for (i=0; i<pc->mb_rows; i++)
{
vpx_memset(pbi->mt_yleft_col[i], (unsigned char)129, 16);
vpx_memset(pbi->mt_uleft_col[i], (unsigned char)129, 8);
vpx_memset(pbi->mt_vleft_col[i], (unsigned char)129, 8);
}
/* Initialize the loop filter for this frame. */
vp8_loop_filter_frame_init(pc, &pbi->mb, filter_level);
}
setup_decoding_thread_data(pbi, xd, pbi->mb_row_di, pbi->decoding_thread_count);
for (i = 0; i < pbi->decoding_thread_count; i++)
sem_post(&pbi->h_event_start_decoding[i]);
for (mb_row = 0; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1))
{
xd->current_bc = &pbi->mbc[mb_row%num_part];
/* vp8_decode_mb_row(pbi, pc, mb_row, xd); */
{
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;
/* volatile int *last_row_current_mb_col = NULL; */
if (mb_row > 0)
last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1];
vpx_memset(&pc->left_context, 0, sizeof(pc->left_context));
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->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_row > 0 && (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);
}
}
/* 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;
#if CONFIG_ERROR_CONCEALMENT
{
int corrupt_residual = (!pbi->independent_partitions &&
pbi->frame_corrupt_residual) ||
vp8dx_bool_error(xd->current_bc);
if (pbi->ec_active &&
(xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) &&
corrupt_residual)
{
/* We have an intra block with corrupt coefficients,
* better to conceal with an inter block. Interpolate
* MVs from neighboring MBs
*
* Note that for the first mb with corrupt residual in a
* frame, we might not discover that before decoding the
* residual. That happens after this check, and
* therefore no inter concealment will be done.
*/
vp8_interpolate_motion(xd,
mb_row, mb_col,
pc->mb_rows, pc->mb_cols,
pc->mode_info_stride);
}
}
#endif
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;
if (xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME)
{
/* propagate errors from reference frames */
xd->corrupted |= pc->yv12_fb[ref_fb_idx].corrupted;
}
decode_macroblock(pbi, xd, mb_row, mb_col);
/* check if the boolean decoder has suffered an error */
xd->corrupted |= vp8dx_bool_error(xd->current_bc);
if (pbi->common.filter_level)
{
int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED &&
xd->mode_info_context->mbmi.mode != I8X8_PRED &&
xd->mode_info_context->mbmi.mode != SPLITMV &&
xd->mode_info_context->mbmi.mb_skip_coeff);
const int mode_index = lfi_n->mode_lf_lut[xd->mode_info_context->mbmi.mode];
const int seg = xd->mode_info_context->mbmi.segment_id;
const int ref_frame = xd->mode_info_context->mbmi.ref_frame;
filter_level = lfi_n->lvl[seg][ref_frame][mode_index];
/* Save decoded MB last row data for next-row decoding */
if(mb_row != pc->mb_rows-1)
{
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 (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(pc->filter_type == NORMAL_LOOPFILTER)
{
loop_filter_info lfi;
FRAME_TYPE frame_type = pc->frame_type;
const int hev_index = lfi_n->hev_thr_lut[frame_type][filter_level];
lfi.mblim = lfi_n->mblim[filter_level];
lfi.blim = lfi_n->blim[filter_level];
lfi.lim = lfi_n->lim[filter_level];
lfi.hev_thr = lfi_n->hev_thr[hev_index];
if (mb_col > 0)
LF_INVOKE(&pc->rtcd.loopfilter, normal_mb_v)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, normal_b_v)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
/* don't apply across umv border */
if (mb_row > 0)
LF_INVOKE(&pc->rtcd.loopfilter, normal_mb_h)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, normal_b_h)
(xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi);
}
else
{
if (mb_col > 0)
LF_INVOKE(&pc->rtcd.loopfilter, simple_mb_v)
(xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, simple_b_v)
(xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]);
/* don't apply across umv border */
if (mb_row > 0)
LF_INVOKE(&pc->rtcd.loopfilter, simple_mb_h)
(xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]);
if (!skip_lf)
LF_INVOKE(&pc->rtcd.loopfilter, simple_b_h)
(xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]);
}
}
}
recon_yoffset += 16;
recon_uvoffset += 8;
++xd->mode_info_context; /* next mb */
xd->above_context++;
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 */
}
xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count;
}
sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */
}
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