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)
{
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);
- /* do prediction */
- if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
+
+#if CONFIG_ERROR_CONCEALMENT
+
+ if(pbi->ec_active)
{
- if (pbi->common.filter_level)
+ 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))
{
- 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;
+ /* 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);
- 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);
- }
+ 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)
+ {
+ 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)
+ {
+ 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);
-
- if (xd->mode_info_context->mbmi.mode != B_PRED)
+ short *DQC = xd->dequant_y1;
+ int dst_stride = xd->dst.y_stride;
+ unsigned char *base_dst = xd->dst.y_buffer;
+
+ /* 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;
-
- /*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;
+ short *DQC = xd->dequant_y1;
- 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;
- }
-
- 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);
+ BLOCKD *b = &xd->block[24];
- 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,
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)
/* propagate errors from reference frames */
xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame];
- decode_macroblock(pbi, xd, mb_row, mb_col);
+ decode_macroblock(pbi, xd, 0);
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 &&
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