generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Remove the mb_no_coeff_skip flag

Browse Source 
This flag was added to VP8 to allow a mode where MB-level skipping
was not allowed, saving a bit per mb. It was never used in practice,
and hasn't been tested in VP9, so remove it.

Change-Id: Id450ec6904c6d06c1919508e7efc52d05cde5631
This commit is contained in:
John Koleszar 2013-04-09 10:54:19 -07:00
parent 5953a98631
commit e3cfe4e89e
9 changed files with 137 additions and 206 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
vp9/common/vp9_alloccommon.c
View File

@ -179,7 +179,6 @@ void vp9_create_common(VP9_COMMON *oci) {
vp9_default_bmode_probs(oci->fc.bmode_prob);
oci->txfm_mode = ONLY_4X4;
oci->mb_no_coeff_skip = 1;
oci->comp_pred_mode = HYBRID_PREDICTION;
oci->no_lpf = 0;
oci->filter_type = NORMAL_LOOPFILTER;

1
vp9/common/vp9_onyxc_int.h
View File

@ -220,7 +220,6 @@ typedef struct VP9Common {
/* profile settings */
int experimental;
int mb_no_coeff_skip;
TXFM_MODE txfm_mode;
COMPPREDMODE_TYPE comp_pred_mode;
int no_lpf;

30
vp9/decoder/vp9_decodemv.c
View File

@ -153,15 +153,11 @@ static void kfread_modes(VP9D_COMP *pbi,
}
}
m->mbmi.mb_skip_coeff = 0;
if (pbi->common.mb_no_coeff_skip &&
(!vp9_segfeature_active(&pbi->mb, m->mbmi.segment_id, SEG_LVL_SKIP))) {
m->mbmi.mb_skip_coeff = vp9_segfeature_active(&pbi->mb, m->mbmi.segment_id,
SEG_LVL_SKIP);
if (!m->mbmi.mb_skip_coeff)
m->mbmi.mb_skip_coeff = vp9_read(bc, vp9_get_pred_prob(cm, &pbi->mb,
PRED_MBSKIP));
} else {
m->mbmi.mb_skip_coeff = vp9_segfeature_active(&pbi->mb, m->mbmi.segment_id,
SEG_LVL_SKIP);
}
y_mode = m->mbmi.sb_type ?
read_kf_sb_ymode(bc,
@ -693,15 +689,10 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
// Read the macroblock segment id.
read_mb_segment_id(pbi, mb_row, mb_col, bc);
if (pbi->common.mb_no_coeff_skip &&
(!vp9_segfeature_active(xd, mbmi->segment_id, SEG_LVL_SKIP))) {
// Read the macroblock coeff skip flag if this feature is in use,
// else default to 0
mbmi->mb_skip_coeff = vp9_segfeature_active(xd, mbmi->segment_id,
SEG_LVL_SKIP);
if (!mbmi->mb_skip_coeff)
mbmi->mb_skip_coeff = vp9_read(bc, vp9_get_pred_prob(cm, xd, PRED_MBSKIP));
} else {
mbmi->mb_skip_coeff = vp9_segfeature_active(xd, mbmi->segment_id,
SEG_LVL_SKIP);
}
// Read the reference frame
mbmi->ref_frame = read_ref_frame(pbi, bc, mbmi->segment_id);
@ -1119,13 +1110,12 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
void vp9_decode_mode_mvs_init(VP9D_COMP* const pbi, vp9_reader *r) {
VP9_COMMON *cm = &pbi->common;
int k;
// TODO(jkoleszar): does this clear more than MBSKIP_CONTEXTS? Maybe remove.
vpx_memset(cm->mbskip_pred_probs, 0, sizeof(cm->mbskip_pred_probs));
if (pbi->common.mb_no_coeff_skip) {
int k;
for (k = 0; k < MBSKIP_CONTEXTS; ++k)
cm->mbskip_pred_probs[k] = vp9_read_prob(r);
}
for (k = 0; k < MBSKIP_CONTEXTS; ++k)
cm->mbskip_pred_probs[k] = vp9_read_prob(r);
mb_mode_mv_init(pbi, r);
}

3
vp9/decoder/vp9_decodframe.c
View File

@ -1675,8 +1675,7 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
vpx_memset(xd->plane[1].qcoeff, 0, sizeof(xd->plane[1].qcoeff));
vpx_memset(xd->plane[2].qcoeff, 0, sizeof(xd->plane[2].qcoeff));
// Read the mb_no_coeff_skip flag
pc->mb_no_coeff_skip = vp9_read_bit(&header_bc);
vp9_read_bit(&header_bc); // unused
vp9_decode_mode_mvs_init(pbi, &header_bc);

31
vp9/encoder/vp9_bitstream.c
View File

@ -801,9 +801,7 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
}
}
if (!pc->mb_no_coeff_skip) {
skip_coeff = 0;
} else if (vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) {
if (vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) {
skip_coeff = 1;
} else {
skip_coeff = m->mbmi.mb_skip_coeff;
@ -996,8 +994,8 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
(rf != INTRA_FRAME && !(mode == SPLITMV &&
mi->partitioning == PARTITIONING_4X4))) &&
pc->txfm_mode == TX_MODE_SELECT &&
!((pc->mb_no_coeff_skip && skip_coeff) ||
(vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)))) {
!(skip_coeff || vp9_segfeature_active(xd, segment_id,
SEG_LVL_SKIP))) {
TX_SIZE sz = mi->txfm_size;
// FIXME(rbultje) code ternary symbol once all experiments are merged
vp9_write(bc, sz != TX_4X4, pc->prob_tx[0]);
@ -1024,9 +1022,7 @@ static void write_mb_modes_kf(const VP9_COMP *cpi,
write_mb_segid(bc, &m->mbmi, xd);
}
if (!c->mb_no_coeff_skip) {
skip_coeff = 0;
} else if (vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) {
if (vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) {
skip_coeff = 1;
} else {
skip_coeff = m->mbmi.mb_skip_coeff;
@ -1074,8 +1070,7 @@ static void write_mb_modes_kf(const VP9_COMP *cpi,
write_uv_mode(bc, m->mbmi.uv_mode, c->kf_uv_mode_prob[ym]);
if (ym <= I8X8_PRED && c->txfm_mode == TX_MODE_SELECT &&
!((c->mb_no_coeff_skip && skip_coeff) ||
(vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)))) {
!(skip_coeff || vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP))) {
TX_SIZE sz = m->mbmi.txfm_size;
// FIXME(rbultje) code ternary symbol once all experiments are merged
vp9_write(bc, sz != TX_4X4, c->prob_tx[0]);
@ -2600,8 +2595,7 @@ void vp9_pack_bitstream(VP9_COMP *cpi, unsigned char *dest,
}
}
// signal here is multi token partition is enabled
// vp9_write_literal(&header_bc, pc->multi_token_partition, 2);
// TODO(jkoleszar): remove these unused bits
vp9_write_literal(&header_bc, 0, 2);
// Frame Q baseline quantizer index
@ -2828,15 +2822,12 @@ void vp9_pack_bitstream(VP9_COMP *cpi, unsigned char *dest,
active_section = 2;
#endif
// Write out the mb_no_coeff_skip flag
vp9_write_bit(&header_bc, pc->mb_no_coeff_skip);
if (pc->mb_no_coeff_skip) {
int k;
// TODO(jkoleszar): remove this unused bit
vp9_write_bit(&header_bc, 1);
vp9_update_skip_probs(cpi);
for (k = 0; k < MBSKIP_CONTEXTS; ++k) {
vp9_write_literal(&header_bc, pc->mbskip_pred_probs[k], 8);
}
vp9_update_skip_probs(cpi);
for (i = 0; i < MBSKIP_CONTEXTS; ++i) {
vp9_write_literal(&header_bc, pc->mbskip_pred_probs[i], 8);
}
if (pc->frame_type == KEY_FRAME) {

52
vp9/encoder/vp9_encodeframe.c
View File

@ -1348,7 +1348,6 @@ static void reset_skip_txfm_size_sb(VP9_COMP *cpi, MODE_INFO *mi,
MB_MODE_INFO *const mbmi = &mi->mbmi;
if (mbmi->txfm_size > txfm_max) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
MACROBLOCKD *const xd = &x->e_mbd;
const int segment_id = mbmi->segment_id;
@ -1357,8 +1356,8 @@ static void reset_skip_txfm_size_sb(VP9_COMP *cpi, MODE_INFO *mi,
const int xmbs = MIN(bw, mb_cols_left);
xd->mode_info_context = mi;
assert((vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) ||
(cm->mb_no_coeff_skip && get_skip_flag(mi, mis, ymbs, xmbs)));
assert(vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP) ||
get_skip_flag(mi, mis, ymbs, xmbs));
set_txfm_flag(mi, mis, ymbs, xmbs, txfm_max);
}
}
@ -1961,10 +1960,6 @@ static void encode_macroblock(VP9_COMP *cpi, TOKENEXTRA **t,
if (!x->skip) {
vp9_encode_inter16x16(cm, x, mb_row, mb_col);
// Clear mb_skip_coeff if mb_no_coeff_skip is not set
if (!cpi->common.mb_no_coeff_skip)
mbmi->mb_skip_coeff = 0;
} else {
vp9_build_inter16x16_predictors_mb(xd,
xd->dst.y_buffer,
@ -2046,27 +2041,20 @@ static void encode_macroblock(VP9_COMP *cpi, TOKENEXTRA **t,
} else {
// FIXME(rbultje): not tile-aware (mi - 1)
int mb_skip_context = cpi->common.mb_no_coeff_skip ?
(mi - 1)->mbmi.mb_skip_coeff + (mi - mis)->mbmi.mb_skip_coeff : 0;
int mb_skip_context =
(mi - 1)->mbmi.mb_skip_coeff + (mi - mis)->mbmi.mb_skip_coeff;
if (cm->mb_no_coeff_skip) {
mbmi->mb_skip_coeff = 1;
if (output_enabled)
cpi->skip_true_count[mb_skip_context]++;
vp9_reset_sb_tokens_context(xd, BLOCK_SIZE_MB16X16);
} else {
vp9_stuff_mb(cpi, xd, t, !output_enabled);
mbmi->mb_skip_coeff = 0;
if (output_enabled)
cpi->skip_false_count[mb_skip_context]++;
}
mbmi->mb_skip_coeff = 1;
if (output_enabled)
cpi->skip_true_count[mb_skip_context]++;
vp9_reset_sb_tokens_context(xd, BLOCK_SIZE_MB16X16);
}
if (output_enabled) {
int segment_id = mbmi->segment_id;
if (cpi->common.txfm_mode == TX_MODE_SELECT &&
!((cpi->common.mb_no_coeff_skip && mbmi->mb_skip_coeff) ||
(vp9_segfeature_active(&x->e_mbd, segment_id, SEG_LVL_SKIP)))) {
!(mbmi->mb_skip_coeff ||
vp9_segfeature_active(&x->e_mbd, segment_id, SEG_LVL_SKIP))) {
assert(mbmi->txfm_size <= TX_16X16);
if (mbmi->mode != I4X4_PRED && mbmi->mode != I8X8_PRED &&
mbmi->mode != SPLITMV) {
@ -2279,19 +2267,13 @@ static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t,
vp9_tokenize_sb(cpi, &x->e_mbd, t, !output_enabled, bsize);
} else {
// FIXME(rbultje): not tile-aware (mi - 1)
int mb_skip_context = cpi->common.mb_no_coeff_skip ?
(mi - 1)->mbmi.mb_skip_coeff + (mi - mis)->mbmi.mb_skip_coeff : 0;
int mb_skip_context =
(mi - 1)->mbmi.mb_skip_coeff + (mi - mis)->mbmi.mb_skip_coeff;
xd->mode_info_context->mbmi.mb_skip_coeff = 1;
if (cm->mb_no_coeff_skip) {
if (output_enabled)
cpi->skip_true_count[mb_skip_context]++;
vp9_reset_sb_tokens_context(xd, bsize);
} else {
vp9_stuff_sb(cpi, xd, t, !output_enabled, bsize);
if (output_enabled)
cpi->skip_false_count[mb_skip_context]++;
}
if (output_enabled)
cpi->skip_true_count[mb_skip_context]++;
vp9_reset_sb_tokens_context(xd, bsize);
}
// copy skip flag on all mb_mode_info contexts in this SB
@ -2304,8 +2286,8 @@ static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t,
if (output_enabled) {
if (cm->txfm_mode == TX_MODE_SELECT &&
!((cm->mb_no_coeff_skip && mi->mbmi.mb_skip_coeff) ||
(vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)))) {
!(mi->mbmi.mb_skip_coeff ||
vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP))) {
if (bsize >= BLOCK_SIZE_SB32X32) {
cpi->txfm_count_32x32p[mi->mbmi.txfm_size]++;
} else {

60
vp9/encoder/vp9_onyx_if.c
View File

@ -2989,43 +2989,41 @@ static void encode_frame_to_data_rate(VP9_COMP *cpi,
vp9_set_quantizer(cpi, q);
if (loop_count == 0) {
int k;
// setup skip prob for costing in mode/mv decision
if (cpi->common.mb_no_coeff_skip) {
int k;
for (k = 0; k < MBSKIP_CONTEXTS; k++)
cm->mbskip_pred_probs[k] = cpi->base_skip_false_prob[q][k];
for (k = 0; k < MBSKIP_CONTEXTS; k++)
cm->mbskip_pred_probs[k] = cpi->base_skip_false_prob[q][k];
if (cm->frame_type != KEY_FRAME) {
if (cpi->refresh_alt_ref_frame) {
for (k = 0; k < MBSKIP_CONTEXTS; k++) {
if (cpi->last_skip_false_probs[2][k] != 0)
cm->mbskip_pred_probs[k] = cpi->last_skip_false_probs[2][k];
}
} else if (cpi->refresh_golden_frame) {
for (k = 0; k < MBSKIP_CONTEXTS; k++) {
if (cpi->last_skip_false_probs[1][k] != 0)
cm->mbskip_pred_probs[k] = cpi->last_skip_false_probs[1][k];
}
} else {
int k;
for (k = 0; k < MBSKIP_CONTEXTS; k++) {
if (cpi->last_skip_false_probs[0][k] != 0)
cm->mbskip_pred_probs[k] = cpi->last_skip_false_probs[0][k];
}
if (cm->frame_type != KEY_FRAME) {
if (cpi->refresh_alt_ref_frame) {
for (k = 0; k < MBSKIP_CONTEXTS; k++) {
if (cpi->last_skip_false_probs[2][k] != 0)
cm->mbskip_pred_probs[k] = cpi->last_skip_false_probs[2][k];
}
} else if (cpi->refresh_golden_frame) {
for (k = 0; k < MBSKIP_CONTEXTS; k++) {
if (cpi->last_skip_false_probs[1][k] != 0)
cm->mbskip_pred_probs[k] = cpi->last_skip_false_probs[1][k];
}
} else {
int k;
for (k = 0; k < MBSKIP_CONTEXTS; k++) {
if (cpi->last_skip_false_probs[0][k] != 0)
cm->mbskip_pred_probs[k] = cpi->last_skip_false_probs[0][k];
}
}
// as this is for cost estimate, let's make sure it does not
// get extreme either way
{
int k;
for (k = 0; k < MBSKIP_CONTEXTS; ++k) {
cm->mbskip_pred_probs[k] = clamp(cm->mbskip_pred_probs[k],
5, 250);
// as this is for cost estimate, let's make sure it does not
// get extreme either way
{
int k;
for (k = 0; k < MBSKIP_CONTEXTS; ++k) {
cm->mbskip_pred_probs[k] = clamp(cm->mbskip_pred_probs[k],
5, 250);
if (cpi->is_src_frame_alt_ref)
cm->mbskip_pred_probs[k] = 1;
}
if (cpi->is_src_frame_alt_ref)
cm->mbskip_pred_probs[k] = 1;
}
}
}

153
vp9/encoder/vp9_rdopt.c
View File

@ -566,10 +566,10 @@ static void choose_txfm_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x,
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mode_info_context->mbmi;
vp9_prob skip_prob = cm->mb_no_coeff_skip ?
vp9_get_pred_prob(cm, xd, PRED_MBSKIP) : 128;
vp9_prob skip_prob = vp9_get_pred_prob(cm, xd, PRED_MBSKIP);
int64_t rd[TX_SIZE_MAX_SB][2];
int n, m;
int s0, s1;
for (n = TX_4X4; n <= max_txfm_size; n++) {
r[n][1] = r[n][0];
@ -581,25 +581,16 @@ static void choose_txfm_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x,
}
}
if (cm->mb_no_coeff_skip) {
int s0, s1;
assert(skip_prob > 0);
s0 = vp9_cost_bit(skip_prob, 0);
s1 = vp9_cost_bit(skip_prob, 1);
assert(skip_prob > 0);
s0 = vp9_cost_bit(skip_prob, 0);
s1 = vp9_cost_bit(skip_prob, 1);
for (n = TX_4X4; n <= max_txfm_size; n++) {
if (s[n]) {
rd[n][0] = rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1, d[n]);
} else {
rd[n][0] = RDCOST(x->rdmult, x->rddiv, r[n][0] + s0, d[n]);
rd[n][1] = RDCOST(x->rdmult, x->rddiv, r[n][1] + s0, d[n]);
}
}
} else {
for (n = TX_4X4; n <= max_txfm_size; n++) {
rd[n][0] = RDCOST(x->rdmult, x->rddiv, r[n][0], d[n]);
rd[n][1] = RDCOST(x->rdmult, x->rddiv, r[n][1], d[n]);
for (n = TX_4X4; n <= max_txfm_size; n++) {
if (s[n]) {
rd[n][0] = rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1, d[n]);
} else {
rd[n][0] = RDCOST(x->rdmult, x->rddiv, r[n][0] + s0, d[n]);
rd[n][1] = RDCOST(x->rdmult, x->rddiv, r[n][1] + s0, d[n]);
}
}
@ -3862,44 +3853,41 @@ static void rd_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
// because there are no non zero coefficients and make any
// necessary adjustment for rate. Ignore if skip is coded at
// segment level as the cost wont have been added in.
if (cpi->common.mb_no_coeff_skip) {
int mb_skip_allowed;
int mb_skip_allowed;
// Is Mb level skip allowed (i.e. not coded at segment level).
mb_skip_allowed = !vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP);
// Is Mb level skip allowed (i.e. not coded at segment level).
mb_skip_allowed = !vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP);
if (skippable) {
mbmi->mb_skip_coeff = 1;
if (skippable) {
mbmi->mb_skip_coeff = 1;
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// for best_yrd calculation
rate_uv = 0;
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// for best_yrd calculation
rate_uv = 0;
if (mb_skip_allowed) {
int prob_skip_cost;
if (mb_skip_allowed) {
int prob_skip_cost;
// Cost the skip mb case
vp9_prob skip_prob =
vp9_get_pred_prob(cm, &x->e_mbd, PRED_MBSKIP);
// Cost the skip mb case
vp9_prob skip_prob =
vp9_get_pred_prob(cm, &x->e_mbd, PRED_MBSKIP);
if (skip_prob) {
prob_skip_cost = vp9_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
}
// Add in the cost of the no skip flag.
else {
mbmi->mb_skip_coeff = 0;
if (mb_skip_allowed) {
int prob_skip_cost = vp9_cost_bit(
vp9_get_pred_prob(cm, &x->e_mbd, PRED_MBSKIP), 0);
if (skip_prob) {
prob_skip_cost = vp9_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
} else {
// Add in the cost of the no skip flag.
mbmi->mb_skip_coeff = 0;
if (mb_skip_allowed) {
int prob_skip_cost = vp9_cost_bit(
vp9_get_pred_prob(cm, &x->e_mbd, PRED_MBSKIP), 0);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
// Calculate the final RD estimate for this mode.
@ -4089,8 +4077,7 @@ static void rd_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
mbmi->ref_frame = ALTREF_FRAME;
mbmi->mv[0].as_int = 0;
mbmi->uv_mode = DC_PRED;
mbmi->mb_skip_coeff =
(cpi->common.mb_no_coeff_skip) ? 1 : 0;
mbmi->mb_skip_coeff = 1;
mbmi->partitioning = 0;
set_scale_factors(xd, mbmi->ref_frame, mbmi->second_ref_frame,
scale_factor);
@ -4176,16 +4163,15 @@ void vp9_rd_pick_intra_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
rd_pick_intra_sbuv_mode(cpi, x, &rate_uv, &rate_uv_tokenonly,
&dist_uv, &uv_skip, bsize);
if (cpi->common.mb_no_coeff_skip && y_skip && uv_skip) {
if (y_skip && uv_skip) {
*returnrate = rate_y + rate_uv - rate_y_tokenonly - rate_uv_tokenonly +
vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 1);
*returndist = dist_y + (dist_uv >> 2);
memset(ctx->txfm_rd_diff, 0,
sizeof(x->sb32_context[xd->sb_index].txfm_rd_diff));
} else {
*returnrate = rate_y + rate_uv;
if (cpi->common.mb_no_coeff_skip)
*returnrate += vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
*returnrate = rate_y + rate_uv +
vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
*returndist = dist_y + (dist_uv >> 2);
for (i = 0; i < NB_TXFM_MODES; i++) {
ctx->txfm_rd_diff[i] = err - txfm_cache[i];
@ -4237,7 +4223,7 @@ void vp9_rd_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE_MB16X16, txfm_cache[1]);
mode16x16 = mbmi->mode;
txfm_size_16x16 = mbmi->txfm_size;
if (cpi->common.mb_no_coeff_skip && y_intra16x16_skippable &&
if (y_intra16x16_skippable &&
((cm->txfm_mode == ONLY_4X4 && uv_intra_skippable[TX_4X4]) ||
(cm->txfm_mode != ONLY_4X4 && uv_intra_skippable[TX_8X8]))) {
error16x16 -= RDCOST(x->rdmult, x->rddiv, rate16x16_tokenonly, 0);
@ -4269,7 +4255,7 @@ void vp9_rd_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x,
}
mbmi->mb_skip_coeff = 0;
if (cpi->common.mb_no_coeff_skip && y_intra16x16_skippable &&
if (y_intra16x16_skippable &&
((cm->txfm_mode == ONLY_4X4 && uv_intra_skippable[TX_4X4]) ||
(cm->txfm_mode != ONLY_4X4 && uv_intra_skippable[TX_8X8]))) {
mbmi->mb_skip_coeff = 1;
@ -4295,8 +4281,7 @@ void vp9_rd_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x,
dist = dist16x16 + (distuv[mbmi->txfm_size != TX_4X4] >> 2);
mbmi->uv_mode = modeuv[mbmi->txfm_size != TX_4X4];
}
if (cpi->common.mb_no_coeff_skip)
rate += vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
rate += vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
} else {
if (error4x4 < error8x8) {
rate = rateuv[TX_4X4] + rate4x4;
@ -4311,8 +4296,7 @@ void vp9_rd_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x,
rate = rate8x8 + rateuv[TX_4X4];
dist = dist8x8 + (distuv[TX_4X4] >> 2);
}
if (cpi->common.mb_no_coeff_skip)
rate += vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
rate += vp9_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
}
for (i = 0; i < NB_TXFM_MODES; i++) {
@ -4595,39 +4579,36 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
// because there are no non zero coefficients and make any
// necessary adjustment for rate. Ignore if skip is coded at
// segment level as the cost wont have been added in.
if (cpi->common.mb_no_coeff_skip) {
int mb_skip_allowed;
int mb_skip_allowed;
// Is Mb level skip allowed (i.e. not coded at segment level).
mb_skip_allowed = !vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP);
// Is Mb level skip allowed (i.e. not coded at segment level).
mb_skip_allowed = !vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP);
if (skippable) {
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// for best_yrd calculation
rate_uv = 0;
if (skippable) {
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// for best_yrd calculation
rate_uv = 0;
if (mb_skip_allowed) {
int prob_skip_cost;
if (mb_skip_allowed) {
int prob_skip_cost;
// Cost the skip mb case
vp9_prob skip_prob =
vp9_get_pred_prob(cm, xd, PRED_MBSKIP);
// Cost the skip mb case
vp9_prob skip_prob =
vp9_get_pred_prob(cm, xd, PRED_MBSKIP);
if (skip_prob) {
prob_skip_cost = vp9_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
if (skip_prob) {
prob_skip_cost = vp9_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
} else if (mb_skip_allowed) {
// Add in the cost of the no skip flag.
else if (mb_skip_allowed) {
int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob(cm, xd,
PRED_MBSKIP), 0);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
int prob_skip_cost = vp9_cost_bit(vp9_get_pred_prob(cm, xd,
PRED_MBSKIP), 0);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
// Calculate the final RD estimate for this mode.
@ -4795,7 +4776,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
mbmi->second_ref_frame = INTRA_FRAME;
mbmi->mv[0].as_int = 0;
mbmi->uv_mode = DC_PRED;
mbmi->mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0;
mbmi->mb_skip_coeff = 1;
mbmi->partitioning = 0;
mbmi->txfm_size = cm->txfm_mode == TX_MODE_SELECT ?
TX_32X32 : cm->txfm_mode;

12
vp9/encoder/vp9_tokenize.c
View File

@ -397,11 +397,7 @@ void vp9_tokenize_sb(VP9_COMP *cpi,
if (mbmi->mb_skip_coeff) {
if (!dry_run)
cpi->skip_true_count[mb_skip_context] += skip_inc;
if (!cm->mb_no_coeff_skip) {
vp9_stuff_sb(cpi, xd, t, dry_run, bsize);
} else {
vp9_reset_sb_tokens_context(xd, bsize);
}
vp9_reset_sb_tokens_context(xd, bsize);
if (dry_run)
*t = t_backup;
return;
@ -490,11 +486,7 @@ void vp9_tokenize_mb(VP9_COMP *cpi,
if (xd->mode_info_context->mbmi.mb_skip_coeff) {
if (!dry_run)
cpi->skip_true_count[mb_skip_context] += skip_inc;
if (!cpi->common.mb_no_coeff_skip) {
vp9_stuff_mb(cpi, xd, t, dry_run);
} else {
vp9_reset_sb_tokens_context(xd, BLOCK_SIZE_MB16X16);
}
vp9_reset_sb_tokens_context(xd, BLOCK_SIZE_MB16X16);
if (dry_run)
*t = t_backup;