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Merge changes I9c26870a,Ifabb0f67

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* changes:
  threading.c refactoring
  Decoder loops refactoring
This commit is contained in:
Scott LaVarnway 2012-03-09 10:48:11 -08:00 committed by Gerrit Code Review
commit 7a1590713e
3 changed files with 404 additions and 309 deletions
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4
vp8/common/blockd.h
View File

@ -220,6 +220,10 @@ typedef struct macroblockd
int up_available;
int left_available;
unsigned char *recon_above[3];
unsigned char *recon_left[3];
int recon_left_stride[2];
/* Y,U,V,Y2 */
ENTROPY_CONTEXT_PLANES *above_context;
ENTROPY_CONTEXT_PLANES *left_context;

288
vp8/decoder/decodframe.c
View File

@ -93,13 +93,14 @@ void mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd)
}
}
static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
unsigned int mb_idx)
{
MB_PREDICTION_MODE mode;
int i;
#if CONFIG_ERROR_CONCEALMENT
int corruption_detected = 0;
#endif
if (xd->mode_info_context->mbmi.mb_skip_coeff)
{
@ -152,24 +153,23 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
}
#endif
/* do prediction */
if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
{
vp8_build_intra_predictors_mbuv_s(xd,
xd->dst.u_buffer - xd->dst.uv_stride,
xd->dst.v_buffer - xd->dst.uv_stride,
xd->dst.u_buffer - 1,
xd->dst.v_buffer - 1,
xd->dst.uv_stride,
xd->recon_above[1],
xd->recon_above[2],
xd->recon_left[1],
xd->recon_left[2],
xd->recon_left_stride[1],
xd->dst.u_buffer, xd->dst.v_buffer);
if (mode != B_PRED)
{
vp8_build_intra_predictors_mby_s(xd,
xd->dst.y_buffer - xd->dst.y_stride,
xd->dst.y_buffer - 1,
xd->dst.y_stride,
xd->recon_above[0],
xd->recon_left[0],
xd->recon_left_stride[0],
xd->dst.y_buffer);
}
else
@ -182,7 +182,7 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
if(xd->mode_info_context->mbmi.mb_skip_coeff)
vpx_memset(xd->eobs, 0, 25);
intra_prediction_down_copy(xd, xd->dst.y_buffer - dst_stride + 16);
intra_prediction_down_copy(xd, xd->recon_above[0] + 16);
for (i = 0; i < 16; i++)
{
@ -316,112 +316,171 @@ static int get_delta_q(vp8_reader *bc, int prev, int *q_update)
FILE *vpxlog = 0;
#endif
static void
decode_mb_row(VP8D_COMP *pbi, VP8_COMMON *pc, int mb_row, MACROBLOCKD *xd)
static void decode_mb_rows(VP8D_COMP *pbi)
{
VP8_COMMON *const pc = & pbi->common;
MACROBLOCKD *const xd = & pbi->mb;
int ibc = 0;
int num_part = 1 << pc->multi_token_partition;
int recon_yoffset, recon_uvoffset;
int mb_col;
int ref_fb_idx = pc->lst_fb_idx;
int mb_row, mb_col;
int mb_idx = 0;
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 recon_y_stride = pc->yv12_fb[dst_fb_idx].y_stride;
int recon_uv_stride = pc->yv12_fb[dst_fb_idx].uv_stride;
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 */
unsigned char *ref_buffer[MAX_REF_FRAMES][3];
unsigned char *dst_buffer[3];
int i;
int ref_fb_index[MAX_REF_FRAMES];
int ref_fb_corrupted[MAX_REF_FRAMES];
xd->above_context = pc->above_context;
xd->up_available = (mb_row != 0);
ref_fb_corrupted[INTRA_FRAME] = 0;
xd->mb_to_top_edge = -((mb_row * 16)) << 3;
xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3;
ref_fb_index[LAST_FRAME] = pc->lst_fb_idx;
ref_fb_index[GOLDEN_FRAME] = pc->gld_fb_idx;
ref_fb_index[ALTREF_FRAME] = pc->alt_fb_idx;
for (mb_col = 0; mb_col < pc->mb_cols; mb_col++)
for(i = 1; i < MAX_REF_FRAMES; i++)
{
/* 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 * pc->mb_cols + mb_col);
/* check if the boolean decoder has suffered an error */
xd->corrupted |= vp8dx_bool_error(xd->current_bc);
recon_yoffset += 16;
recon_uvoffset += 8;
++xd->mode_info_context; /* next mb */
xd->above_context++;
ref_buffer[i][0] = pc->yv12_fb[ref_fb_index[i]].y_buffer;
ref_buffer[i][1] = pc->yv12_fb[ref_fb_index[i]].u_buffer;
ref_buffer[i][2] = pc->yv12_fb[ref_fb_index[i]].v_buffer;
ref_fb_corrupted[i] = pc->yv12_fb[ref_fb_index[i]].corrupted;
}
/* 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
);
dst_buffer[0] = pc->yv12_fb[dst_fb_idx].y_buffer;
dst_buffer[1] = pc->yv12_fb[dst_fb_idx].u_buffer;
dst_buffer[2] = pc->yv12_fb[dst_fb_idx].v_buffer;
++xd->mode_info_context; /* skip prediction column */
xd->up_available = 0;
/* Decode the individual macro block */
for (mb_row = 0; mb_row < pc->mb_rows; mb_row++)
{
if (num_part > 1)
{
xd->current_bc = & pbi->mbc[ibc];
ibc++;
if (ibc == num_part)
ibc = 0;
}
recon_yoffset = mb_row * recon_y_stride * 16;
recon_uvoffset = mb_row * recon_uv_stride * 8;
/* reset contexts */
xd->above_context = pc->above_context;
vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
xd->left_available = 0;
xd->mb_to_top_edge = -((mb_row * 16)) << 3;
xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3;
xd->recon_above[0] = dst_buffer[0] + recon_yoffset;
xd->recon_above[1] = dst_buffer[1] + recon_uvoffset;
xd->recon_above[2] = dst_buffer[2] + recon_uvoffset;
xd->recon_left[0] = xd->recon_above[0] - 1;
xd->recon_left[1] = xd->recon_above[1] - 1;
xd->recon_left[2] = xd->recon_above[2] - 1;
xd->recon_above[0] -= xd->dst.y_stride;
xd->recon_above[1] -= xd->dst.uv_stride;
xd->recon_above[2] -= xd->dst.uv_stride;
//TODO: move to outside row loop
xd->recon_left_stride[0] = xd->dst.y_stride;
xd->recon_left_stride[1] = xd->dst.uv_stride;
for (mb_col = 0; mb_col < pc->mb_cols; mb_col++)
{
/* 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 = dst_buffer[0] + recon_yoffset;
xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset;
xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset;
xd->pre.y_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][0] + recon_yoffset;
xd->pre.u_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][1] + recon_uvoffset;
xd->pre.v_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][2] + recon_uvoffset;
/* propagate errors from reference frames */
xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame];
decode_macroblock(pbi, xd, mb_idx);
mb_idx++;
xd->left_available = 1;
/* check if the boolean decoder has suffered an error */
xd->corrupted |= vp8dx_bool_error(xd->current_bc);
xd->recon_above[0] += 16;
xd->recon_above[1] += 8;
xd->recon_above[2] += 8;
xd->recon_left[0] += 16;
xd->recon_left[1] += 8;
xd->recon_left[2] += 8;
recon_yoffset += 16;
recon_uvoffset += 8;
++xd->mode_info_context; /* next mb */
xd->above_context++;
}
/* 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 */
xd->up_available = 1;
}
}
static unsigned int read_partition_size(const unsigned char *cx_size)
{
const unsigned int size =
@ -672,7 +731,6 @@ int vp8_decode_frame(VP8D_COMP *pbi)
const unsigned char *data_end = data + pbi->fragment_sizes[0];
ptrdiff_t first_partition_length_in_bytes;
int mb_row;
int i, j, k, l;
const int *const mb_feature_data_bits = vp8_mb_feature_data_bits;
int corrupt_tokens = 0;
@ -1068,12 +1126,12 @@ int vp8_decode_frame(VP8D_COMP *pbi)
#endif
vpx_memset(pc->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) * pc->mb_cols);
pbi->frame_corrupt_residual = 0;
#if CONFIG_MULTITHREAD
if (pbi->b_multithreaded_rd && pc->multi_token_partition != ONE_PARTITION)
{
int i;
pbi->frame_corrupt_residual = 0;
vp8mt_decode_mb_rows(pbi, xd);
vp8_yv12_extend_frame_borders_ptr(&pc->yv12_fb[pc->new_fb_idx]); /*cm->frame_to_show);*/
for (i = 0; i < pbi->decoding_thread_count; ++i)
@ -1082,25 +1140,7 @@ int vp8_decode_frame(VP8D_COMP *pbi)
else
#endif
{
int ibc = 0;
int num_part = 1 << pc->multi_token_partition;
pbi->frame_corrupt_residual = 0;
/* Decode the individual macro block */
for (mb_row = 0; mb_row < pc->mb_rows; mb_row++)
{
if (num_part > 1)
{
xd->current_bc = & pbi->mbc[ibc];
ibc++;
if (ibc == num_part)
ibc = 0;
}
decode_mb_row(pbi, pc, mb_row, xd);
}
decode_mb_rows(pbi);
corrupt_tokens |= xd->corrupted;
}

421
vp8/decoder/threading.c
View File

@ -82,11 +82,13 @@ static void setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_D
pbi->mt_current_mb_col[i]=-1;
}
static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int mb_col)
static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, unsigned int mb_idx)
{
int throw_residual = 0;
MB_PREDICTION_MODE mode;
int i;
#if CONFIG_ERROR_CONCEALMENT
int corruption_detected = 0;
#endif
if (xd->mode_info_context->mbmi.mb_skip_coeff)
{
@ -101,208 +103,196 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, int mb_row, int m
xd->mode_info_context->mbmi.mb_skip_coeff = (eobtotal==0);
}
mode = xd->mode_info_context->mbmi.mode;
if (xd->segmentation_enabled)
mb_init_dequantizer(pbi, xd);
#if CONFIG_ERROR_CONCEALMENT
if(pbi->ec_active)
{
int throw_residual;
/* 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 ((mb_idx >= 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);
corruption_detected = 1;
/* force idct to be skipped for B_PRED and use the
* prediction only for reconstruction
* */
vpx_memset(xd->eobs, 0, 25);
}
}
#endif
/* do prediction */
if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
{
if (pbi->common.filter_level)
vp8_build_intra_predictors_mbuv_s(xd,
xd->recon_above[1],
xd->recon_above[2],
xd->recon_left[1],
xd->recon_left[2],
xd->recon_left_stride[1],
xd->dst.u_buffer, xd->dst.v_buffer);
if (mode != B_PRED)
{
unsigned char *uabove_row;
unsigned char *vabove_row;
unsigned char * uleft_col;
unsigned char * vleft_col;
uabove_row = pbi->mt_uabove_row[mb_row] + mb_col*8 +16;
vabove_row = pbi->mt_vabove_row[mb_row] + mb_col*8 +16;
uleft_col = pbi->mt_uleft_col[mb_row];
vleft_col = pbi->mt_vleft_col[mb_row];
vp8_build_intra_predictors_mbuv_s(xd, uabove_row,
vabove_row,
uleft_col,
vleft_col,
1,
xd->dst.u_buffer, xd->dst.v_buffer);
if (xd->mode_info_context->mbmi.mode != B_PRED)
{
unsigned char *yabove_row;
unsigned char *yleft_col;
yabove_row = pbi->mt_yabove_row[mb_row] + mb_col*16 +32;
yleft_col = pbi->mt_yleft_col[mb_row];
vp8_build_intra_predictors_mby_s(xd,
yabove_row,
yleft_col,
1,
xd->dst.y_buffer);
}
vp8_build_intra_predictors_mby_s(xd,
xd->recon_above[0],
xd->recon_left[0],
xd->recon_left_stride[0],
xd->dst.y_buffer);
}
else
{
vp8_build_intra_predictors_mbuv_s(xd,
xd->dst.u_buffer - xd->dst.uv_stride,
xd->dst.v_buffer - xd->dst.uv_stride,
xd->dst.u_buffer - 1,
xd->dst.v_buffer - 1,
xd->dst.uv_stride,
xd->dst.u_buffer, xd->dst.v_buffer);
short *DQC = xd->dequant_y1;
int dst_stride = xd->dst.y_stride;
unsigned char *base_dst = xd->dst.y_buffer;
if (xd->mode_info_context->mbmi.mode != B_PRED)
/* clear out residual eob info */
if(xd->mode_info_context->mbmi.mb_skip_coeff)
vpx_memset(xd->eobs, 0, 25);
intra_prediction_down_copy(xd, xd->recon_above[0] + 16);
for (i = 0; i < 16; i++)
{
vp8_build_intra_predictors_mby_s(xd,
xd->dst.y_buffer - xd->dst.y_stride,
xd->dst.y_buffer - 1,
xd->dst.y_stride,
xd->dst.y_buffer);
BLOCKD *b = &xd->block[i];
int b_mode = xd->mode_info_context->bmi[i].as_mode;
unsigned char *yabove;
unsigned char *yleft;
int left_stride;
unsigned char top_left;
/*Caution: For some b_mode, it needs 8 pixels (4 above + 4 above-right).*/
if (i < 4 && pbi->common.filter_level)
yabove = xd->recon_above[0] + b->offset; //i*4;
else
yabove = (base_dst - dst_stride) + b->offset;
if (i%4==0 && pbi->common.filter_level)
{
yleft = xd->recon_left[0] + i;
left_stride = 1;
}
else
{
yleft = (base_dst - 1) + b->offset;
left_stride = dst_stride;
}
if ((i==4 || i==8 || i==12) && pbi->common.filter_level)
top_left = *(xd->recon_left[0] + i - 1);
else
top_left = yabove[-1];
vp8_intra4x4_predict_d_c(yabove, yleft, left_stride,
b_mode,
base_dst + b->offset, dst_stride,
top_left);
if (xd->eobs[i] )
{
if (xd->eobs[i] > 1)
{
vp8_dequant_idct_add
(b->qcoeff, DQC,
base_dst + b->offset, dst_stride);
}
else
{
vp8_dc_only_idct_add
(b->qcoeff[0] * DQC[0],
base_dst + b->offset, dst_stride,
base_dst + b->offset, dst_stride);
((int *)b->qcoeff)[0] = 0;
}
}
}
}
}
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))
if (corruption_detected)
{
/* 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)
if(!xd->mode_info_context->mbmi.mb_skip_coeff)
{
short *DQC = xd->dequant_y1;
int dst_stride = xd->dst.y_stride;
unsigned char *base_dst = xd->dst.y_buffer;
unsigned char *above_right_src;
if (pbi->common.filter_level)
above_right_src = pbi->mt_yabove_row[mb_row] + mb_col*16 + 32 +16;
else
above_right_src = xd->dst.y_buffer - dst_stride + 16;
intra_prediction_down_copy(xd, above_right_src);
for (i = 0; i < 16; i++)
/* dequantization and idct */
if (mode != B_PRED)
{
BLOCKD *b = &xd->block[i];
int b_mode = xd->mode_info_context->bmi[i].as_mode;
unsigned char *yabove;
unsigned char *yleft;
int left_stride;
unsigned char top_left;
short *DQC = xd->dequant_y1;
/*Caution: For some b_mode, it needs 8 pixels (4 above + 4 above-right).*/
if (i < 4 && pbi->common.filter_level)
yabove = pbi->mt_yabove_row[mb_row] + mb_col*16 + i*4 + 32;
else
yabove = base_dst + b->offset - dst_stride;
if (i%4==0 && pbi->common.filter_level)
if (mode != SPLITMV)
{
yleft = pbi->mt_yleft_col[mb_row] + i;
left_stride = 1;
}
else
{
yleft = base_dst + b->offset - 1;
left_stride = dst_stride;
}
BLOCKD *b = &xd->block[24];
if ((i==4 || i==8 || i==12) && pbi->common.filter_level)
top_left = pbi->mt_yleft_col[mb_row][i-1];
else
top_left = yabove[-1];
vp8_intra4x4_predict_d_c(yabove, yleft, left_stride,
b_mode,
base_dst + b->offset, dst_stride,
top_left);
if (xd->eobs[i] )
{
if (xd->eobs[i] > 1)
/* do 2nd order transform on the dc block */
if (xd->eobs[24] > 1)
{
vp8_dequant_idct_add
(b->qcoeff, DQC,
base_dst + b->offset, dst_stride);
vp8_dequantize_b(b, xd->dequant_y2);
vp8_short_inv_walsh4x4(&b->dqcoeff[0],
xd->qcoeff);
((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
{
vp8_dc_only_idct_add
(b->qcoeff[0] * DQC[0],
base_dst + b->offset, dst_stride,
base_dst + b->offset, dst_stride);
b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0];
vp8_short_inv_walsh4x4_1(&b->dqcoeff[0],
xd->qcoeff);
((int *)b->qcoeff)[0] = 0;
}
}
}
}
else
{
short *DQC = xd->dequant_y1;
if (xd->mode_info_context->mbmi.mode != SPLITMV)
{
BLOCKD *b = &xd->block[24];
/* do 2nd order transform on the dc block */
if (xd->eobs[24] > 1)
{
vp8_dequantize_b(b, xd->dequant_y2);
vp8_short_inv_walsh4x4(&b->dqcoeff[0],
xd->qcoeff);
((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
{
b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0];
vp8_short_inv_walsh4x4_1(&b->dqcoeff[0], xd->qcoeff);
((int *)b->qcoeff)[0] = 0;
/* override the dc dequant constant in order to preserve the
* dc components
*/
DQC = xd->dequant_y1_dc;
}
/* override the dc dequant constant */
DQC = xd->dequant_y1_dc;
vp8_dequant_idct_add_y_block
(xd->qcoeff, DQC,
xd->dst.y_buffer,
xd->dst.y_stride, xd->eobs);
}
vp8_dequant_idct_add_y_block
(xd->qcoeff, DQC,
xd->dst.y_buffer,
xd->dst.y_stride, xd->eobs);
vp8_dequant_idct_add_uv_block
(xd->qcoeff+16*16, xd->dequant_uv,
xd->dst.u_buffer, xd->dst.v_buffer,
xd->dst.uv_stride, xd->eobs+16);
}
vp8_dequant_idct_add_uv_block
(xd->qcoeff+16*16, xd->dequant_uv,
xd->dst.u_buffer, xd->dst.v_buffer,
xd->dst.uv_stride, xd->eobs+16);
}
typedef void (*init_current_bc_fn_t)(VP8D_COMP *pbi, MACROBLOCKD *xd,
@ -334,6 +324,33 @@ static void decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row,
int nsync = pbi->sync_range;
int num_part = 1 << pbi->common.multi_token_partition;
int dst_fb_idx = pc->new_fb_idx;
unsigned char *ref_buffer[MAX_REF_FRAMES][3];
unsigned char *dst_buffer[3];
int i;
int ref_fb_index[MAX_REF_FRAMES];
int ref_fb_corrupted[MAX_REF_FRAMES];
ref_fb_corrupted[INTRA_FRAME] = 0;
ref_fb_index[LAST_FRAME] = pc->lst_fb_idx;
ref_fb_index[GOLDEN_FRAME] = pc->gld_fb_idx;
ref_fb_index[ALTREF_FRAME] = pc->alt_fb_idx;
for(i = 1; i < MAX_REF_FRAMES; i++)
{
ref_buffer[i][0] = pc->yv12_fb[ref_fb_index[i]].y_buffer;
ref_buffer[i][1] = pc->yv12_fb[ref_fb_index[i]].u_buffer;
ref_buffer[i][2] = pc->yv12_fb[ref_fb_index[i]].v_buffer;
ref_fb_corrupted[i] = pc->yv12_fb[ref_fb_index[i]].corrupted;
}
dst_buffer[0] = pc->yv12_fb[dst_fb_idx].y_buffer;
dst_buffer[1] = pc->yv12_fb[dst_fb_idx].u_buffer;
dst_buffer[2] = pc->yv12_fb[dst_fb_idx].v_buffer;
xd->up_available = (start_mb_row != 0);
for (mb_row = start_mb_row; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1))
{
@ -355,15 +372,49 @@ static void decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row,
recon_yoffset = mb_row * recon_y_stride * 16;
recon_uvoffset = mb_row * recon_uv_stride * 8;
/* reset above block coeffs */
/* reset contexts */
xd->above_context = pc->above_context;
vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
xd->up_available = (mb_row != 0);
xd->left_available = 0;
xd->mb_to_top_edge = -((mb_row * 16)) << 3;
xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3;
if (pbi->common.filter_level)
{
xd->recon_above[0] = pbi->mt_yabove_row[mb_row] + 0*16 +32;
xd->recon_above[1] = pbi->mt_uabove_row[mb_row] + 0*8 +16;
xd->recon_above[2] = pbi->mt_vabove_row[mb_row] + 0*8 +16;
xd->recon_left[0] = pbi->mt_yleft_col[mb_row];
xd->recon_left[1] = pbi->mt_uleft_col[mb_row];
xd->recon_left[2] = pbi->mt_vleft_col[mb_row];
//TODO: move to outside row loop
xd->recon_left_stride[0] = 1;
xd->recon_left_stride[1] = 1;
}
else
{
xd->recon_above[0] = dst_buffer[0] + recon_yoffset;
xd->recon_above[1] = dst_buffer[1] + recon_uvoffset;
xd->recon_above[2] = dst_buffer[2] + recon_uvoffset;
xd->recon_left[0] = xd->recon_above[0] - 1;
xd->recon_left[1] = xd->recon_above[1] - 1;
xd->recon_left[2] = xd->recon_above[2] - 1;
xd->recon_above[0] -= xd->dst.y_stride;
xd->recon_above[1] -= xd->dst.uv_stride;
xd->recon_above[2] -= xd->dst.uv_stride;
//TODO: move to outside row loop
xd->recon_left_stride[0] = xd->dst.y_stride;
xd->recon_left_stride[1] = xd->dst.uv_stride;
}
for (mb_col = 0; mb_col < pc->mb_cols; mb_col++)
{
if ( mb_row > 0 && (mb_col & (nsync-1)) == 0)
@ -413,36 +464,35 @@ static void decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row,
#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->dst.y_buffer = dst_buffer[0] + recon_yoffset;
xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset;
xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset;
xd->left_available = (mb_col != 0);
xd->pre.y_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][0] + recon_yoffset;
xd->pre.u_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][1] + recon_uvoffset;
xd->pre.v_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][2] + recon_uvoffset;
/* 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;
/* propagate errors from reference frames */
xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame];
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;
decode_macroblock(pbi, xd, 0);
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);
xd->left_available = 1;
/* check if the boolean decoder has suffered an error */
xd->corrupted |= vp8dx_bool_error(xd->current_bc);
xd->recon_above[0] += 16;
xd->recon_above[1] += 8;
xd->recon_above[2] += 8;
if (!pbi->common.filter_level)
{
xd->recon_left[0] += 16;
xd->recon_left[1] += 8;
xd->recon_left[2] += 8;
}
if (pbi->common.filter_level)
{
int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED &&
@ -563,6 +613,7 @@ static void decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row,
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->up_available = 1;
/* since we have multithread */
xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count;