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refactored code that checks if a macroblock is skippable

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Change-Id: I4ea6d819bbbde312792c4f813ab63ea50cf0cd1d
This commit is contained in:
Yaowu Xu
2012-02-21 18:10:18 -08:00
committed by Paul Wilkins
parent a0be3faa6e
commit 848bccabd5
2 changed files with 53 additions and 52 deletions
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49
vp8/encoder/rdopt.c
View File

@@ -2465,9 +2465,8 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
int best_hybrid_rd = INT_MAX;
int rate2, distortion2;
int uv_intra_rate, uv_intra_distortion, uv_intra_rate_tokenonly;
int uv_intra_tteob = 0;
int uv_intra_rate_8x8, uv_intra_distortion_8x8, uv_intra_rate_tokenonly_8x8;
int uv_intra_tteob_8x8=0;
int uv_intra_skippable = 0;
int uv_intra_skippable_8x8=0;
int rate_y, UNINITIALIZED_IS_SAFE(rate_uv);
int distortion_uv;
int best_yrd = INT_MAX;
@@ -2555,10 +2554,11 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
rd_pick_intra_mbuv_mode(cpi, x, &uv_intra_rate, &uv_intra_rate_tokenonly, &uv_intra_distortion);
uv_intra_mode = x->e_mbd.mode_info_context->mbmi.uv_mode;
for(i=16; i<24; i++)
uv_intra_tteob += x->e_mbd.block[i].eob;
uv_intra_tteob_8x8 = uv_intra_tteob;
uv_intra_skippable = mbuv_is_skippable(&x->e_mbd);
/* rough estimate for now */
uv_intra_skippable_8x8 = uv_intra_skippable;
// Get estimates of reference frame costs for each reference frame
// that depend on the current prediction etc.
@@ -3169,45 +3169,28 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
// Test for the condition where skip block will be activated because there are no non zero coefficients and make any necessary adjustment for rate
if (cpi->common.mb_no_coeff_skip)
{
int tteob;
int has_y2_block = ( this_mode!=SPLITMV
int mb_skippable;
int has_y2 = ( this_mode!=SPLITMV
&&this_mode!=B_PRED
&&this_mode!=I8X8_PRED);
tteob = 0;
if(has_y2_block)
tteob += x->e_mbd.block[24].eob;
if(cpi->common.txfm_mode ==ALLOW_8X8 && has_y2_block)
if((cpi->common.txfm_mode == ALLOW_8X8) && has_y2)
{
for (i = 0; i < 16; i+=4)
tteob += (x->e_mbd.block[i].eob > 1);
if(x->e_mbd.mode_info_context->mbmi.ref_frame!=INTRA_FRAME)
{
tteob += x->e_mbd.block[16].eob;
tteob += x->e_mbd.block[20].eob;
}
mb_skippable = mb_is_skippable_8x8(&x->e_mbd);
else
{
tteob += uv_intra_tteob_8x8;
}
mb_skippable = uv_intra_skippable_8x8
& mby_is_skippable_8x8(&x->e_mbd);
}
else
{
for (i = 0; i < 16; i++)
tteob += (x->e_mbd.block[i].eob > has_y2_block);
if(x->e_mbd.mode_info_context->mbmi.ref_frame!=INTRA_FRAME)
{
for (i = 16; i < 24; i++)
tteob += x->e_mbd.block[i].eob;
}
mb_skippable = mb_is_skippable(&x->e_mbd, has_y2);
else
{
tteob += uv_intra_tteob;
}
mb_skippable = uv_intra_skippable
& mby_is_skippable(&x->e_mbd, has_y2);
}
if (tteob == 0)
if (mb_skippable)
{
rate2 -= (rate_y + rate_uv);
//for best_yrd calculation

56
vp8/encoder/tokenize.c
View File

@@ -442,7 +442,7 @@ static void tokenize1st_order_b
}
static int mb_is_skippable(MACROBLOCKD *x, int has_y2_block)
int mby_is_skippable(MACROBLOCKD *x, int has_y2_block)
{
int skip = 1;
int i = 0;
@@ -451,35 +451,53 @@ static int mb_is_skippable(MACROBLOCKD *x, int has_y2_block)
{
for (i = 0; i < 16; i++)
skip &= (x->block[i].eob < 2);
skip &= (!x->block[24].eob);
}
else
{
for (i = 0; i < 16; i++)
skip &= (!x->block[i].eob);
}
for (; i < 24 + has_y2_block; i++)
skip &= (!x->block[i].eob);
return skip;
}
static int mb_is_skippable_8x8(MACROBLOCKD *x)
int mbuv_is_skippable(MACROBLOCKD *x)
{
int skip = 1;
int i;
for (i = 16; i < 24; i++)
skip &= (!x->block[i].eob);
return skip;
}
int mb_is_skippable(MACROBLOCKD *x, int has_y2_block)
{
return (mby_is_skippable(x, has_y2_block) &
mbuv_is_skippable(x));
}
int mby_is_skippable_8x8(MACROBLOCKD *x)
{
int has_y2_block;
int skip = 1;
int i = 0;
has_y2_block = (x->mode_info_context->mbmi.mode != B_PRED
&& x->mode_info_context->mbmi.mode != SPLITMV);
if (has_y2_block)
{
for (i = 0; i < 16; i+=4)
skip &= (x->block[i].eob < 2);
}
for (; i < 24 + has_y2_block; i+=4)
skip &= (!x->block[i].eob);
for (i = 0; i < 16; i+=4)
skip &= (x->block[i].eob < 2);
skip &= (!x->block[24].eob);
return skip;
}
int mbuv_is_skippable_8x8(MACROBLOCKD *x)
{
return (!x->block[16].eob) & (!x->block[20].eob);
}
int mb_is_skippable_8x8(MACROBLOCKD *x)
{
return (mby_is_skippable_8x8(x) & mbuv_is_skippable_8x8(x));
}
void vp8_tokenize_mb(VP8_COMP *cpi, MACROBLOCKD *x, TOKENEXTRA **t)
{