Commit 81c05464 authored by Gaute Strokkenes's avatar Gaute Strokkenes
Browse files

Simplify decode_macroblock.

Change-Id: Ieb2f3827ae7896ae594203b702b3e8fa8fb63d37
parent be99868b
......@@ -183,7 +183,8 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
unsigned int mb_idx)
{
int eobtotal = 0;
int i, do_clamp = xd->mode_info_context->mbmi.need_to_clamp_mvs;
MB_PREDICTION_MODE mode;
int i;
if (xd->mode_info_context->mbmi.mb_skip_coeff)
{
......@@ -195,14 +196,14 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
}
/* Perform temporary clamping of the MV to be used for prediction */
if (do_clamp)
if (xd->mode_info_context->mbmi.need_to_clamp_mvs)
{
clamp_mvs(xd);
}
eobtotal |= (xd->mode_info_context->mbmi.mode == B_PRED ||
xd->mode_info_context->mbmi.mode == SPLITMV);
if (!eobtotal)
mode = xd->mode_info_context->mbmi.mode;
if (eobtotal == 0 && mode != B_PRED && mode != SPLITMV)
{
/* Special case: Force the loopfilter to skip when eobtotal and
* mb_skip_coeff are zero.
......@@ -221,15 +222,12 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
{
RECON_INVOKE(&pbi->common.rtcd.recon, build_intra_predictors_mbuv)(xd);
if (xd->mode_info_context->mbmi.mode != B_PRED)
if (mode != B_PRED)
{
RECON_INVOKE(&pbi->common.rtcd.recon,
build_intra_predictors_mby)(xd);
} else {
vp8_intra_prediction_down_copy(xd);
}
}
else
......@@ -252,41 +250,10 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
#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)
if (mode == B_PRED)
{
for (i = 0; i < 16; i++)
{
BLOCKD *b = &xd->block[i];
RECON_INVOKE(RTCD_VTABLE(recon), intra4x4_predict)
(b, b->bmi.as_mode, b->predictor);
......@@ -307,13 +274,43 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
}
}
else
else if (mode == SPLITMV)
{
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);
}
else
{
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);
}
DEQUANT_INVOKE (&pbi->dequant, idct_add_uv_block)
(xd->qcoeff+16*16, xd->block[16].dequant,
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment