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Merge "Update 8x8 tokenizer to not encode an EOB if seg_eob is active." into experimental

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Daniel Kang 2012-07-24 12:33:26 -07:00 committed by Gerrit Code Review
commit 3053b4b030
1 changed files with 22 additions and 23 deletions
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45
vp8/encoder/tokenize.c
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@ -250,48 +250,47 @@ static void tokenize1st_order_b_8x8
) {
int pt; /* near block/prev token context index */
int c = type ? 0 : 1; /* start at DC unless type 0 */
const int eob = b->eob; /* one beyond last nonzero coeff */
TOKENEXTRA *t = *tp; /* store tokens starting here */
int x;
const short *qcoeff_ptr = b->qcoeff;
int seg_eob = 64;
int segment_id = xd->mode_info_context->mbmi.segment_id;
if (segfeature_active(xd, segment_id, SEG_LVL_EOB)) {
if (segfeature_active(xd, segment_id, SEG_LVL_EOB))
seg_eob = get_segdata(xd, segment_id, SEG_LVL_EOB);
}
VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
do {
for (; c < b->eob; ++c) {
const int band = vp8_coef_bands_8x8[c];
int v;
int rc = vp8_default_zig_zag1d_8x8[c];
int v = qcoeff_ptr[rc], x;
x = DCT_EOB_TOKEN;
assert(-DCT_MAX_VALUE <= v && v < (DCT_MAX_VALUE));
if (c < eob) {
int rc = vp8_default_zig_zag1d_8x8[c];
v = qcoeff_ptr[rc];
assert(-DCT_MAX_VALUE <= v && v < (DCT_MAX_VALUE));
t->Extra = vp8_dct_value_tokens_ptr[v].Extra;
x = vp8_dct_value_tokens_ptr[v].Token;
}
t->Extra = vp8_dct_value_tokens_ptr[v].Extra;
x = vp8_dct_value_tokens_ptr[v].Token;
t->Token = x;
t->context_tree = cpi->common.fc.coef_probs_8x8 [type] [band] [pt];
t->context_tree = cpi->common.fc.coef_probs_8x8[type][band][pt];
t->skip_eob_node = pt == 0 && ((band > 0 && type > 0) || (band > 1 && type == 0));
++cpi->coef_counts_8x8[type][band][pt][x];
#ifdef ENC_DEBUG
if (t->skip_eob_node && vp8_coef_encodings[x].Len == 1)
printf("Trouble 1 x=%d Len=%d skip=%d eob=%d c=%d band=%d type=%d: [%d %d %d]\n", x, vp8_coef_encodings[x].Len, t->skip_eob_node, eob, c, band, type, cpi->count, mb_row_debug, mb_col_debug);
#endif
pt = vp8_prev_token_class[x];
++t;
}
++cpi->coef_counts_8x8 [type] [band] [pt] [x];
} while (pt = vp8_prev_token_class[x], ++t, c < eob && ++c < seg_eob);
if (c < seg_eob) {
const int band = vp8_coef_bands_8x8[c];
t->Token = DCT_EOB_TOKEN;
t->context_tree = cpi->common.fc.coef_probs_8x8 [type] [band] [pt];
t->skip_eob_node = pt == 0 && ((band > 0 && type > 0) || (band > 1 && type == 0));
++cpi->coef_counts_8x8[type][band][pt][DCT_EOB_TOKEN];
++t;
}
*tp = t;
pt = (c != !type); /* 0 <-> all coeff data is zero */