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Remove a redundant branching in tokenize_b

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The tokenize_b function is only called when output flag is on. Hence
removing the conditional branch on it therein.

Change-Id: Ib709f47f23f39ca05a695faf86fa3377f11f2dd0
This commit is contained in:
Jingning Han
2013-07-29 17:06:18 -07:00
parent 455f2de20b
commit 525745b17a
1 changed files with 6 additions and 10 deletions
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16
vp9/encoder/vp9_tokenize.c
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@@ -95,7 +95,6 @@ struct tokenize_b_args {
MACROBLOCKD *xd;
TOKENEXTRA **tp;
TX_SIZE tx_size;
int dry_run;
};
static void set_entropy_context_b(int plane, int block, BLOCK_SIZE_TYPE bsize,
@@ -126,9 +125,7 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE_TYPE bsize,
VP9_COMP *cpi = args->cpi;
MACROBLOCKD *xd = args->xd;
TOKENEXTRA **tp = args->tp;
TX_SIZE tx_size = ss_txfrm_size / 2;
int dry_run = args->dry_run;
TX_SIZE tx_size = ss_txfrm_size >> 1;
MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
int pt; /* near block/prev token context index */
int c = 0, rc = 0;
@@ -218,11 +215,10 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE_TYPE bsize,
assert(vp9_coef_encodings[t->token].len - t->skip_eob_node > 0);
if (!dry_run) {
++counts[type][ref][band][pt][token];
if (!t->skip_eob_node)
++cpi->common.counts.eob_branch[tx_size][type][ref][band][pt];
}
++counts[type][ref][band][pt][token];
if (!t->skip_eob_node)
++cpi->common.counts.eob_branch[tx_size][type][ref][band][pt];
token_cache[rc] = vp9_pt_energy_class[token];
++t;
} while (c < eob && ++c < seg_eob);
@@ -276,7 +272,7 @@ void vp9_tokenize_sb(VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
const int mb_skip_context = vp9_get_pred_context_mbskip(xd);
const int skip_inc = !vp9_segfeature_active(&xd->seg, mbmi->segment_id,
SEG_LVL_SKIP);
struct tokenize_b_args arg = { cpi, xd, t, mbmi->txfm_size, dry_run };
struct tokenize_b_args arg = {cpi, xd, t, mbmi->txfm_size};
mbmi->mb_skip_coeff = vp9_sb_is_skippable(xd, bsize);
if (mbmi->mb_skip_coeff) {