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Merge "Cleanup tokenize_b and hoist some invarients out of the loop."

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Alex Converse 2014-02-12 15:35:55 -08:00 committed by Gerrit Code Review
commit 02c063797b
1 changed files with 31 additions and 17 deletions
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48
vp9/encoder/vp9_tokenize.c
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@ -160,7 +160,6 @@ struct tokenize_b_args {
VP9_COMP *cpi;
MACROBLOCKD *xd;
TOKENEXTRA **tp;
TX_SIZE tx_size;
uint8_t *token_cache;
};
@ -188,6 +187,18 @@ static INLINE void add_token(TOKENEXTRA **t, const vp9_prob *context_tree,
++counts[token];
}
static INLINE void add_token_no_extra(TOKENEXTRA **t,
const vp9_prob *context_tree,
uint8_t token,
uint8_t skip_eob_node,
unsigned int *counts) {
(*t)->token = token;
(*t)->context_tree = context_tree;
(*t)->skip_eob_node = skip_eob_node;
(*t)++;
++counts[token];
}
static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
TX_SIZE tx_size, void *arg) {
struct tokenize_b_args* const args = arg;
@ -199,7 +210,7 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
struct macroblockd_plane *pd = &xd->plane[plane];
MB_MODE_INFO *mbmi = &xd->mi_8x8[0]->mbmi;
int pt; /* near block/prev token context index */
int c = 0;
int c;
TOKENEXTRA *t = *tp; /* store tokens starting here */
int eob = p->eobs[block];
const PLANE_TYPE type = pd->plane_type;
@ -207,9 +218,14 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
const int segment_id = mbmi->segment_id;
const int16_t *scan, *nb;
const scan_order *so;
vp9_coeff_count *const counts = cpi->coef_counts[tx_size];
vp9_coeff_probs_model *const coef_probs = cpi->common.fc.coef_probs[tx_size];
const int ref = is_inter_block(mbmi);
unsigned int (*const counts)[COEFF_CONTEXTS][ENTROPY_TOKENS] =
cpi->coef_counts[tx_size][type][ref];
vp9_prob (*const coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =
cpi->common.fc.coef_probs[tx_size][type][ref];
unsigned int (*const eob_branch)[COEFF_CONTEXTS] =
cpi->common.counts.eob_branch[tx_size][type][ref];
const uint8_t *const band = get_band_translate(tx_size);
const int seg_eob = get_tx_eob(&cpi->common.seg, segment_id, tx_size);
@ -228,11 +244,9 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
v = qcoeff_ptr[scan[c]];
while (!v) {
add_token(&t, coef_probs[type][ref][band[c]][pt], 0, ZERO_TOKEN, skip_eob,
counts[type][ref][band[c]][pt]);
cpi->common.counts.eob_branch[tx_size][type][ref][band[c]][pt] +=
!skip_eob;
add_token_no_extra(&t, coef_probs[band[c]][pt], ZERO_TOKEN, skip_eob,
counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
skip_eob = 1;
token_cache[scan[c]] = 0;
@ -240,12 +254,12 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
pt = get_coef_context(nb, token_cache, c);
v = qcoeff_ptr[scan[c]];
}
add_token(&t, coef_probs[type][ref][band[c]][pt],
add_token(&t, coef_probs[band[c]][pt],
vp9_dct_value_tokens_ptr[v].extra,
vp9_dct_value_tokens_ptr[v].token, skip_eob,
counts[type][ref][band[c]][pt]);
cpi->common.counts.eob_branch[tx_size][type][ref][band[c]][pt] += !skip_eob;
counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
token_cache[scan[c]] =
vp9_pt_energy_class[vp9_dct_value_tokens_ptr[v].token];
@ -253,9 +267,9 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
pt = get_coef_context(nb, token_cache, c);
}
if (c < seg_eob) {
add_token(&t, coef_probs[type][ref][band[c]][pt], 0, EOB_TOKEN, 0,
counts[type][ref][band[c]][pt]);
++cpi->common.counts.eob_branch[tx_size][type][ref][band[c]][pt];
add_token_no_extra(&t, coef_probs[band[c]][pt], EOB_TOKEN, 0,
counts[band[c]][pt]);
++eob_branch[band[c]][pt];
}
*tp = t;
@ -299,7 +313,7 @@ void vp9_tokenize_sb(VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
const int ctx = vp9_get_skip_context(xd);
const int skip_inc = !vp9_segfeature_active(&cm->seg, mbmi->segment_id,
SEG_LVL_SKIP);
struct tokenize_b_args arg = {cpi, xd, t, mbmi->tx_size, cpi->mb.token_cache};
struct tokenize_b_args arg = {cpi, xd, t, cpi->mb.token_cache};
if (mbmi->skip_coeff) {
if (!dry_run)
cm->counts.skip[ctx][1] += skip_inc;