ref: 2dd20e468a448e8df0bfc53f2d3cd22ee7b8d518
parent: 35b7b0b549b763b849a49e002d12dc7472cfd882
author: Dmitry Kovalev <dkovalev@google.com>
date: Tue Dec 10 09:11:26 EST 2013
Cleaning up skip context calculation. Renames: vp9_get_pred_context_mbskip => vp9_get_skip_context vp9_get_pred_prob_mbskip => vp9_get_skip_prob Change-Id: I2af499848ef73f3f5cd8cdb27852d0bcdfe31d09
--- a/vp9/common/vp9_pred_common.h
+++ b/vp9/common/vp9_pred_common.h
@@ -40,19 +40,17 @@
return seg->pred_probs[vp9_get_pred_context_seg_id(xd)];
}
-static INLINE int vp9_get_pred_context_mbskip(const MACROBLOCKD *xd) {+static INLINE int vp9_get_skip_context(const MACROBLOCKD *xd) {const MODE_INFO *const above_mi = get_above_mi(xd);
const MODE_INFO *const left_mi = get_left_mi(xd);
- const int above_skip_coeff = (above_mi != NULL) ?
- above_mi->mbmi.skip_coeff : 0;
- const int left_skip_coeff = (left_mi != NULL) ? left_mi->mbmi.skip_coeff : 0;
-
- return above_skip_coeff + left_skip_coeff;
+ const int above_skip = (above_mi != NULL) ? above_mi->mbmi.skip_coeff : 0;
+ const int left_skip = (left_mi != NULL) ? left_mi->mbmi.skip_coeff : 0;
+ return above_skip + left_skip;
}
-static INLINE vp9_prob vp9_get_pred_prob_mbskip(const VP9_COMMON *cm,
- const MACROBLOCKD *xd) {- return cm->fc.mbskip_probs[vp9_get_pred_context_mbskip(xd)];
+static INLINE vp9_prob vp9_get_skip_prob(const VP9_COMMON *cm,
+ const MACROBLOCKD *xd) {+ return cm->fc.mbskip_probs[vp9_get_skip_context(xd)];
}
int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
--- a/vp9/decoder/vp9_decodemv.c
+++ b/vp9/decoder/vp9_decodemv.c
@@ -152,7 +152,7 @@
if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {return 1;
} else {- const int ctx = vp9_get_pred_context_mbskip(xd);
+ const int ctx = vp9_get_skip_context(xd);
const int skip = vp9_read(r, cm->fc.mbskip_probs[ctx]);
if (!cm->frame_parallel_decoding_mode)
++cm->counts.mbskip[ctx][skip];
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -121,9 +121,9 @@
if (vp9_segfeature_active(&cpi->common.seg, segment_id, SEG_LVL_SKIP)) {return 1;
} else {- const int skip_coeff = m->mbmi.skip_coeff;
- vp9_write(w, skip_coeff, vp9_get_pred_prob_mbskip(&cpi->common, xd));
- return skip_coeff;
+ const int skip = m->mbmi.skip_coeff;
+ vp9_write(w, skip, vp9_get_skip_prob(&cpi->common, xd));
+ return skip;
}
}
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -772,7 +772,7 @@
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
- vp9_prob skip_prob = vp9_get_pred_prob_mbskip(cm, xd);
+ vp9_prob skip_prob = vp9_get_skip_prob(cm, xd);
int64_t rd[TX_SIZES][2];
int n, m;
int s0, s1;
@@ -847,7 +847,7 @@
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
- vp9_prob skip_prob = vp9_get_pred_prob_mbskip(cm, xd);
+ vp9_prob skip_prob = vp9_get_skip_prob(cm, xd);
int64_t rd[TX_SIZES][2];
int n, m;
int s0, s1;
@@ -2934,7 +2934,7 @@
x->skip = 1;
// The cost of skip bit needs to be added.
- *rate2 += vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd), 1);
+ *rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
// Scaling factor for SSE from spatial domain to frequency domain
// is 16. Adjust distortion accordingly.
@@ -3053,13 +3053,12 @@
if (y_skip && uv_skip) {*returnrate = rate_y + rate_uv - rate_y_tokenonly - rate_uv_tokenonly +
- vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd), 1);
+ vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
*returndist = dist_y + dist_uv;
vp9_zero(ctx->tx_rd_diff);
} else {int i;
- *returnrate = rate_y + rate_uv +
- vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd), 0);
+ *returnrate = rate_y + rate_uv + vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
*returndist = dist_y + dist_uv;
if (cpi->sf.tx_size_search_method == USE_FULL_RD)
for (i = 0; i < TX_MODES; i++) {@@ -3470,9 +3469,7 @@
int prob_skip_cost;
// Cost the skip mb case
- vp9_prob skip_prob =
- vp9_get_pred_prob_mbskip(cm, xd);
-
+ vp9_prob skip_prob = vp9_get_skip_prob(cm, xd);
if (skip_prob) {prob_skip_cost = vp9_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
@@ -3482,14 +3479,10 @@
if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv, distortion2) <
RDCOST(x->rdmult, x->rddiv, 0, total_sse)) {// Add in the cost of the no skip flag.
- int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd),
- 0);
- rate2 += prob_skip_cost;
+ rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
} else {// FIXME(rbultje) make this work for splitmv also
- int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd),
- 1);
- rate2 += prob_skip_cost;
+ rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
distortion2 = total_sse;
assert(total_sse >= 0);
rate2 -= (rate_y + rate_uv);
@@ -3499,9 +3492,7 @@
}
} else if (mb_skip_allowed) {// Add in the cost of the no skip flag.
- int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd),
- 0);
- rate2 += prob_skip_cost;
+ rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
}
// Calculate the final RD estimate for this mode.
@@ -4244,14 +4235,10 @@
if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv, distortion2) <
RDCOST(x->rdmult, x->rddiv, 0, total_sse)) {// Add in the cost of the no skip flag.
- int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd),
- 0);
- rate2 += prob_skip_cost;
+ rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
} else {// FIXME(rbultje) make this work for splitmv also
- int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd),
- 1);
- rate2 += prob_skip_cost;
+ rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
distortion2 = total_sse;
assert(total_sse >= 0);
rate2 -= (rate_y + rate_uv);
@@ -4261,9 +4248,7 @@
}
} else if (mb_skip_allowed) {// Add in the cost of the no skip flag.
- int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob_mbskip(cm, xd),
- 0);
- rate2 += prob_skip_cost;
+ rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
}
// Calculate the final RD estimate for this mode.
--- a/vp9/encoder/vp9_tokenize.c
+++ b/vp9/encoder/vp9_tokenize.c
@@ -281,7 +281,7 @@
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
TOKENEXTRA *t_backup = *t;
- const int mb_skip_context = vp9_get_pred_context_mbskip(xd);
+ 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};@@ -289,7 +289,7 @@
mbmi->skip_coeff = sb_is_skippable(&cpi->mb, bsize);
if (mbmi->skip_coeff) {if (!dry_run)
- cm->counts.mbskip[mb_skip_context][1] += skip_inc;
+ cm->counts.mbskip[ctx][1] += skip_inc;
reset_skip_context(xd, bsize);
if (dry_run)
*t = t_backup;
@@ -297,7 +297,7 @@
}
if (!dry_run) {- cm->counts.mbskip[mb_skip_context][0] += skip_inc;
+ cm->counts.mbskip[ctx][0] += skip_inc;
foreach_transformed_block(xd, bsize, tokenize_b, &arg);
} else {foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);