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Merge "Modifies inter/intra coding to allow all tx types"

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This commit is contained in:
Debargha Mukherjee 2016-01-08 20:02:41 +00:00 committed by Gerrit Code Review
commit 004b546ae1
18 changed files with 488 additions and 61 deletions
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1
configure vendored
View File

@ -273,6 +273,7 @@ EXPERIMENT_LIST="
fp_mb_stats
emulate_hardware
misc_fixes
ext_tx
"
CONFIG_LIST="
dependency_tracking

16
vp10/common/blockd.h
View File

@ -82,6 +82,9 @@ typedef struct {
// Only for INTER blocks
INTERP_FILTER interp_filter;
MV_REFERENCE_FRAME ref_frame[2];
#if CONFIG_EXT_TX
TX_TYPE tx_type;
#endif // CONFIG_EXT_TX
// TODO(slavarnway): Delete and use bmi[3].as_mv[] instead.
int_mv mv[2];
@ -207,7 +210,7 @@ static INLINE BLOCK_SIZE get_subsize(BLOCK_SIZE bsize,
return subsize_lookup[partition][bsize];
}
static const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = {
static const TX_TYPE intra_mode_to_tx_type_context[INTRA_MODES] = {
DCT_DCT, // DC
ADST_DCT, // V
DCT_ADST, // H
@ -225,11 +228,20 @@ static INLINE TX_TYPE get_tx_type(PLANE_TYPE plane_type, const MACROBLOCKD *xd,
const MODE_INFO *const mi = xd->mi[0];
const MB_MODE_INFO *const mbmi = &mi->mbmi;
#if CONFIG_EXT_TX
(void) block_idx;
if (plane_type != PLANE_TYPE_Y || xd->lossless[mbmi->segment_id] ||
mbmi->tx_size >= TX_32X32)
return DCT_DCT;
return mbmi->tx_type;
#else
if (plane_type != PLANE_TYPE_Y || xd->lossless[mbmi->segment_id] ||
is_inter_block(mbmi) || mbmi->tx_size >= TX_32X32)
return DCT_DCT;
return intra_mode_to_tx_type_lookup[get_y_mode(mi, block_idx)];
return intra_mode_to_tx_type_context[get_y_mode(mi, block_idx)];
#endif // CONFIG_EXT_TX
}
void vp10_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y);

3
vp10/common/entropy.h
View File

@ -21,7 +21,8 @@
extern "C" {
#endif
#define DIFF_UPDATE_PROB 252
#define DIFF_UPDATE_PROB 252
#define GROUP_DIFF_UPDATE_PROB 252
// Coefficient token alphabet
#define ZERO_TOKEN 0 // 0 Extra Bits 0+0

43
vp10/common/entropymode.c
View File

@ -326,6 +326,28 @@ static const struct segmentation_probs default_seg_probs = {
};
#endif
#if CONFIG_EXT_TX
const vpx_tree_index vp10_ext_tx_tree[TREE_SIZE(TX_TYPES)] = {
-DCT_DCT, 2,
-ADST_ADST, 4,
-ADST_DCT, -DCT_ADST
};
static const vpx_prob default_intra_ext_tx_prob[EXT_TX_SIZES]
[TX_TYPES][TX_TYPES - 1] = {
{{240, 85, 128}, {4, 1, 248}, {4, 1, 8}, {4, 248, 128}},
{{244, 85, 128}, {8, 2, 248}, {8, 2, 8}, {8, 248, 128}},
{{248, 85, 128}, {16, 4, 248}, {16, 4, 8}, {16, 248, 128}},
};
static const vpx_prob default_inter_ext_tx_prob[EXT_TX_SIZES]
[TX_TYPES - 1] = {
{160, 85, 128},
{176, 85, 128},
{192, 85, 128},
};
#endif // CONFIG_EXT_TX
static void init_mode_probs(FRAME_CONTEXT *fc) {
vp10_copy(fc->uv_mode_prob, default_uv_probs);
vp10_copy(fc->y_mode_prob, default_if_y_probs);
@ -342,6 +364,10 @@ static void init_mode_probs(FRAME_CONTEXT *fc) {
vp10_copy(fc->seg.tree_probs, default_seg_probs.tree_probs);
vp10_copy(fc->seg.pred_probs, default_seg_probs.pred_probs);
#endif
#if CONFIG_EXT_TX
vp10_copy(fc->intra_ext_tx_prob, default_intra_ext_tx_prob);
vp10_copy(fc->inter_ext_tx_prob, default_inter_ext_tx_prob);
#endif // CONFIG_EXT_TX
}
const vpx_tree_index vp10_switchable_interp_tree
@ -431,6 +457,23 @@ void vp10_adapt_intra_frame_probs(VP10_COMMON *cm) {
fc->skip_probs[i] = mode_mv_merge_probs(
pre_fc->skip_probs[i], counts->skip[i]);
#if CONFIG_EXT_TX
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
int j;
for (j = 0; j < TX_TYPES; ++j)
vpx_tree_merge_probs(vp10_ext_tx_tree,
pre_fc->intra_ext_tx_prob[i][j],
counts->intra_ext_tx[i][j],
fc->intra_ext_tx_prob[i][j]);
}
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
vpx_tree_merge_probs(vp10_ext_tx_tree,
pre_fc->inter_ext_tx_prob[i],
counts->inter_ext_tx[i],
fc->inter_ext_tx_prob[i]);
}
#endif // CONFIG_EXT_TX
#if CONFIG_MISC_FIXES
if (cm->seg.temporal_update) {
for (i = 0; i < PREDICTION_PROBS; i++)

13
vp10/common/entropymode.h
View File

@ -66,6 +66,10 @@ typedef struct frame_contexts {
#if CONFIG_MISC_FIXES
struct segmentation_probs seg;
#endif
#if CONFIG_EXT_TX
vpx_prob intra_ext_tx_prob[EXT_TX_SIZES][TX_TYPES][TX_TYPES - 1];
vpx_prob inter_ext_tx_prob[EXT_TX_SIZES][TX_TYPES - 1];
#endif // CONFIG_EXT_TX
int initialized;
} FRAME_CONTEXT;
@ -90,6 +94,10 @@ typedef struct FRAME_COUNTS {
#if CONFIG_MISC_FIXES
struct seg_counts seg;
#endif
#if CONFIG_EXT_TX
unsigned int intra_ext_tx[EXT_TX_SIZES][TX_TYPES][TX_TYPES];
unsigned int inter_ext_tx[EXT_TX_SIZES][TX_TYPES];
#endif // CONFIG_EXT_TX
} FRAME_COUNTS;
extern const vpx_prob vp10_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
@ -119,6 +127,11 @@ void vp10_tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
void vp10_tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
unsigned int (*ct_8x8p)[2]);
#if CONFIG_EXT_TX
extern const vpx_tree_index
vp10_ext_tx_tree[TREE_SIZE(TX_TYPES)];
#endif // CONFIG_EXT_TX
static INLINE int vp10_ceil_log2(int n) {
int i = 1, p = 2;
while (p < n) {

4
vp10/common/enums.h
View File

@ -97,6 +97,10 @@ typedef enum {
TX_TYPES = 4
} TX_TYPE;
#if CONFIG_EXT_TX
#define EXT_TX_SIZES 3 // number of sizes that use extended transforms
#endif // CONFIG_EXT_TX
typedef enum {
VP9_LAST_FLAG = 1 << 0,
VP9_GOLD_FLAG = 1 << 1,

13
vp10/common/thread_common.c
View File

@ -435,6 +435,19 @@ void vp10_accumulate_frame_counts(VP10_COMMON *cm, FRAME_COUNTS *counts,
comps->fp[i] += comps_t->fp[i];
}
#if CONFIG_EXT_TX
for (i = 0; i < EXT_TX_SIZES; i++) {
int j;
for (j = 0; j < TX_TYPES; ++j)
for (k = 0; k < TX_TYPES; k++)
cm->counts.intra_ext_tx[i][j][k] += counts->intra_ext_tx[i][j][k];
}
for (i = 0; i < EXT_TX_SIZES; i++) {
for (k = 0; k < TX_TYPES; k++)
cm->counts.inter_ext_tx[i][k] += counts->inter_ext_tx[i][k];
}
#endif // CONFIG_EXT_TX
#if CONFIG_MISC_FIXES
for (i = 0; i < PREDICTION_PROBS; i++)
for (j = 0; j < 2; j++)

32
vp10/decoder/decodeframe.c
View File

@ -268,7 +268,11 @@ static void inverse_transform_block_inter(MACROBLOCKD* xd, int plane,
if (eob == 1) {
dqcoeff[0] = 0;
} else {
#if CONFIG_EXT_TX
if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10)
#else
if (tx_size <= TX_16X16 && eob <= 10)
#endif // CONFIG_EXT_TX
memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));
else if (tx_size == TX_32X32 && eob <= 34)
memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0]));
@ -2124,6 +2128,25 @@ static size_t read_uncompressed_header(VP10Decoder *pbi,
return sz;
}
#if CONFIG_EXT_TX
static void read_ext_tx_probs(FRAME_CONTEXT *fc, vpx_reader *r) {
int i, j, k;
if (vpx_read(r, GROUP_DIFF_UPDATE_PROB)) {
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (j = 0; j < TX_TYPES; ++j)
for (k = 0; k < TX_TYPES - 1; ++k)
vp10_diff_update_prob(r, &fc->intra_ext_tx_prob[i][j][k]);
}
}
if (vpx_read(r, GROUP_DIFF_UPDATE_PROB)) {
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (k = 0; k < TX_TYPES - 1; ++k)
vp10_diff_update_prob(r, &fc->inter_ext_tx_prob[i][k]);
}
}
}
#endif // CONFIG_EXT_TX
static int read_compressed_header(VP10Decoder *pbi, const uint8_t *data,
size_t partition_size) {
VP10_COMMON *const cm = &pbi->common;
@ -2205,6 +2228,9 @@ static int read_compressed_header(VP10Decoder *pbi, const uint8_t *data,
#endif
read_mv_probs(nmvc, cm->allow_high_precision_mv, &r);
#if CONFIG_EXT_TX
read_ext_tx_probs(fc, &r);
#endif
}
return vpx_reader_has_error(&r);
@ -2245,6 +2271,12 @@ static void debug_check_frame_counts(const VP10_COMMON *const cm) {
assert(!memcmp(&cm->counts.tx, &zero_counts.tx, sizeof(cm->counts.tx)));
assert(!memcmp(cm->counts.skip, zero_counts.skip, sizeof(cm->counts.skip)));
assert(!memcmp(&cm->counts.mv, &zero_counts.mv, sizeof(cm->counts.mv)));
#if CONFIG_EXT_TX
assert(!memcmp(cm->counts.intra_ext_tx, zero_counts.intra_ext_tx,
sizeof(cm->counts.intra_ext_tx)));
assert(!memcmp(cm->counts.inter_ext_tx, zero_counts.inter_ext_tx,
sizeof(cm->counts.inter_ext_tx)));
#endif // CONFIG_EXT_TX
}
#endif // NDEBUG

40
vp10/decoder/decodemv.c
View File

@ -296,6 +296,22 @@ static void read_intra_frame_mode_info(VP10_COMMON *const cm,
}
mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode);
#if CONFIG_EXT_TX
if (mbmi->tx_size < TX_32X32 &&
cm->base_qindex > 0 && !mbmi->skip &&
!segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
FRAME_COUNTS *counts = xd->counts;
TX_TYPE tx_type_nom = intra_mode_to_tx_type_context[mbmi->mode];
mbmi->tx_type = vpx_read_tree(
r, vp10_ext_tx_tree,
cm->fc->intra_ext_tx_prob[mbmi->tx_size][tx_type_nom]);
if (counts)
++counts->intra_ext_tx[mbmi->tx_size][tx_type_nom][mbmi->tx_type];
} else {
mbmi->tx_type = DCT_DCT;
}
#endif // CONFIG_EXT_TX
}
static int read_mv_component(vpx_reader *r,
@ -652,6 +668,30 @@ static void read_inter_frame_mode_info(VP10Decoder *const pbi,
read_inter_block_mode_info(pbi, xd, mi, mi_row, mi_col, r);
else
read_intra_block_mode_info(cm, xd, mi, r);
#if CONFIG_EXT_TX
if (mbmi->tx_size < TX_32X32 &&
cm->base_qindex > 0 && !mbmi->skip &&
!segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
FRAME_COUNTS *counts = xd->counts;
if (inter_block) {
mbmi->tx_type = vpx_read_tree(
r, vp10_ext_tx_tree,
cm->fc->inter_ext_tx_prob[mbmi->tx_size]);
if (counts)
++counts->inter_ext_tx[mbmi->tx_size][mbmi->tx_type];
} else {
const TX_TYPE tx_type_nom = intra_mode_to_tx_type_context[mbmi->mode];
mbmi->tx_type = vpx_read_tree(
r, vp10_ext_tx_tree,
cm->fc->intra_ext_tx_prob[mbmi->tx_size][tx_type_nom]);
if (counts)
++counts->intra_ext_tx[mbmi->tx_size][tx_type_nom][mbmi->tx_type];
}
} else {
mbmi->tx_type = DCT_DCT;
}
#endif // CONFIG_EXT_TX
}
void vp10_read_mode_info(VP10Decoder *const pbi, MACROBLOCKD *xd,

109
vp10/encoder/bitstream.c
View File

@ -58,6 +58,16 @@ static INLINE void write_uniform(vpx_writer *w, int n, int v) {
}
}
#if CONFIG_EXT_TX
static struct vp10_token ext_tx_encodings[TX_TYPES];
#endif // CONFIG_EXT_TX
void vp10_encode_token_init() {
#if CONFIG_EXT_TX
vp10_tokens_from_tree(ext_tx_encodings, vp10_ext_tx_tree);
#endif // CONFIG_EXT_TX
}
static void write_intra_mode(vpx_writer *w, PREDICTION_MODE mode,
const vpx_prob *probs) {
vp10_write_token(w, vp10_intra_mode_tree, probs, &intra_mode_encodings[mode]);
@ -90,6 +100,24 @@ static void prob_diff_update(const vpx_tree_index *tree,
vp10_cond_prob_diff_update(w, &probs[i], branch_ct[i]);
}
static int prob_diff_update_savings(const vpx_tree_index *tree,
vpx_prob probs[/*n - 1*/],
const unsigned int counts[/*n - 1*/],
int n) {
int i;
unsigned int branch_ct[32][2];
int savings = 0;
// Assuming max number of probabilities <= 32
assert(n <= 32);
vp10_tree_probs_from_distribution(tree, branch_ct, counts);
for (i = 0; i < n - 1; ++i) {
savings += vp10_cond_prob_diff_update_savings(&probs[i],
branch_ct[i]);
}
return savings;
}
static void write_selected_tx_size(const VP10_COMMON *cm,
const MACROBLOCKD *xd, vpx_writer *w) {
TX_SIZE tx_size = xd->mi[0]->mbmi.tx_size;
@ -133,6 +161,51 @@ static void update_switchable_interp_probs(VP10_COMMON *cm, vpx_writer *w,
counts->switchable_interp[j], SWITCHABLE_FILTERS, w);
}
#if CONFIG_EXT_TX
static void update_ext_tx_probs(VP10_COMMON *cm, vpx_writer *w) {
const int savings_thresh = vp10_cost_one(GROUP_DIFF_UPDATE_PROB) -
vp10_cost_zero(GROUP_DIFF_UPDATE_PROB);
int i, j;
int savings = 0;
int do_update = 0;
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (j = 0; j < TX_TYPES; ++j)
savings += prob_diff_update_savings(
vp10_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
cm->counts.intra_ext_tx[i][j], TX_TYPES);
}
do_update = savings > savings_thresh;
vpx_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
if (do_update) {
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (j = 0; j < TX_TYPES; ++j)
prob_diff_update(vp10_ext_tx_tree,
cm->fc->intra_ext_tx_prob[i][j],
cm->counts.intra_ext_tx[i][j],
TX_TYPES, w);
}
}
savings = 0;
do_update = 0;
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
savings += prob_diff_update_savings(
vp10_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
cm->counts.inter_ext_tx[i], TX_TYPES);
}
do_update = savings > savings_thresh;
vpx_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
if (do_update) {
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
prob_diff_update(vp10_ext_tx_tree,
cm->fc->inter_ext_tx_prob[i],
cm->counts.inter_ext_tx[i],
TX_TYPES, w);
}
}
}
#endif // CONFIG_EXT_TX
static void pack_mb_tokens(vpx_writer *w,
TOKENEXTRA **tp, const TOKENEXTRA *const stop,
vpx_bit_depth_t bit_depth, const TX_SIZE tx) {
@ -370,6 +443,27 @@ static void pack_inter_mode_mvs(VP10_COMP *cpi, const MODE_INFO *mi,
}
}
}
#if CONFIG_EXT_TX
if (mbmi->tx_size < TX_32X32 &&
cm->base_qindex > 0 && !mbmi->skip &&
!segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
if (is_inter) {
vp10_write_token(
w, vp10_ext_tx_tree,
cm->fc->inter_ext_tx_prob[mbmi->tx_size],
&ext_tx_encodings[mbmi->tx_type]);
} else {
vp10_write_token(
w, vp10_ext_tx_tree,
cm->fc->intra_ext_tx_prob[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]],
&ext_tx_encodings[mbmi->tx_type]);
}
} else {
if (!mbmi->skip)
assert(mbmi->tx_type == DCT_DCT);
}
#endif // CONFIG_EXT_TX
}
static void write_mb_modes_kf(const VP10_COMMON *cm, const MACROBLOCKD *xd,
@ -413,6 +507,18 @@ static void write_mb_modes_kf(const VP10_COMMON *cm, const MACROBLOCKD *xd,
}
write_intra_mode(w, mbmi->uv_mode, cm->fc->uv_mode_prob[mbmi->mode]);
#if CONFIG_EXT_TX
if (mbmi->tx_size < TX_32X32 &&
cm->base_qindex > 0 && !mbmi->skip &&
!segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
vp10_write_token(
w, vp10_ext_tx_tree,
cm->fc->intra_ext_tx_prob[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]],
&ext_tx_encodings[mbmi->tx_type]);
}
#endif // CONFIG_EXT_TX
}
static void write_modes_b(VP10_COMP *cpi, const TileInfo *const tile,
@ -1381,6 +1487,9 @@ static size_t write_compressed_header(VP10_COMP *cpi, uint8_t *data) {
vp10_write_nmv_probs(cm, cm->allow_high_precision_mv, &header_bc,
&counts->mv);
#if CONFIG_EXT_TX
update_ext_tx_probs(cm, &header_bc);
#endif // CONFIG_EXT_TX
}
vpx_stop_encode(&header_bc);

1
vp10/encoder/bitstream.h
View File

@ -18,6 +18,7 @@ extern "C" {
#include "vp10/encoder/encoder.h"
void vp10_encode_token_init();
void vp10_pack_bitstream(VP10_COMP *const cpi, uint8_t *dest, size_t *size);
static INLINE int vp10_preserve_existing_gf(VP10_COMP *cpi) {

13
vp10/encoder/encodeframe.c
View File

@ -3024,5 +3024,18 @@ static void encode_superblock(VP10_COMP *cpi, ThreadData *td,
}
++td->counts->tx.tx_totals[mbmi->tx_size];
++td->counts->tx.tx_totals[get_uv_tx_size(mbmi, &xd->plane[1])];
#if CONFIG_EXT_TX
if (mbmi->tx_size < TX_32X32 &&
cm->base_qindex > 0 && !mbmi->skip &&
!segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
if (is_inter_block(mbmi)) {
++td->counts->inter_ext_tx[mbmi->tx_size][mbmi->tx_type];
} else {
++td->counts->intra_ext_tx[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]]
[mbmi->tx_type];
}
}
#endif // CONFIG_EXT_TX
}
}

3
vp10/encoder/encoder.c
View File

@ -328,6 +328,7 @@ void vp10_initialize_enc(void) {
vp10_rc_init_minq_luts();
vp10_entropy_mv_init();
vp10_temporal_filter_init();
vp10_encode_token_init();
init_done = 1;
}
}
@ -2654,7 +2655,7 @@ static void loopfilter_frame(VP10_COMP *cpi, VP10_COMMON *cm) {
MACROBLOCKD *xd = &cpi->td.mb.e_mbd;
struct loopfilter *lf = &cm->lf;
if (is_lossless_requested(&cpi->oxcf)) {
lf->filter_level = 0;
lf->filter_level = 0;
} else {
struct vpx_usec_timer timer;

4
vp10/encoder/encoder.h
View File

@ -467,6 +467,10 @@ typedef struct VP10_COMP {
int multi_arf_enabled;
int multi_arf_last_grp_enabled;
#if CONFIG_EXT_TX
int intra_tx_type_costs[EXT_TX_SIZES][TX_TYPES][TX_TYPES];
int inter_tx_type_costs[EXT_TX_SIZES][TX_TYPES];
#endif // CONFIG_EXT_TX
#if CONFIG_VP9_TEMPORAL_DENOISING
VP9_DENOISER denoiser;
#endif

14
vp10/encoder/rd.c
View File

@ -83,6 +83,20 @@ static void fill_mode_costs(VP10_COMP *cpi) {
for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i)
vp10_cost_tokens(cpi->switchable_interp_costs[i],
fc->switchable_interp_prob[i], vp10_switchable_interp_tree);
#if CONFIG_EXT_TX
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (j = 0; j < TX_TYPES; ++j)
vp10_cost_tokens(cpi->intra_tx_type_costs[i][j],
fc->intra_ext_tx_prob[i][j],
vp10_ext_tx_tree);
}
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
vp10_cost_tokens(cpi->inter_tx_type_costs[i],
fc->inter_ext_tx_prob[i],
vp10_ext_tx_tree);
}
#endif // CONFIG_EXT_TX
}
static void fill_token_costs(vp10_coeff_cost *c,

229
vp10/encoder/rdopt.c
View File

@ -54,6 +54,10 @@
#define MIN_EARLY_TERM_INDEX 3
#define NEW_MV_DISCOUNT_FACTOR 8
#if CONFIG_EXT_TX
const double ext_tx_th = 0.99;
#endif // CONFIG_EXT_TX
typedef struct {
PREDICTION_MODE mode;
MV_REFERENCE_FRAME ref_frame[2];
@ -598,11 +602,63 @@ static void choose_largest_tx_size(VP10_COMP *cpi, MACROBLOCK *x,
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
#if CONFIG_EXT_TX
TX_TYPE tx_type, best_tx_type = DCT_DCT;
int r, s;
int64_t d, psse, this_rd, best_rd = INT64_MAX;
vpx_prob skip_prob = vp10_get_skip_prob(cm, xd);
int s0 = vp10_cost_bit(skip_prob, 0);
int s1 = vp10_cost_bit(skip_prob, 1);
const int is_inter = is_inter_block(mbmi);
mbmi->tx_size = VPXMIN(max_tx_size, largest_tx_size);
if (mbmi->tx_size < TX_32X32 &&
!xd->lossless[mbmi->segment_id]) {
for (tx_type = 0; tx_type < TX_TYPES; ++tx_type) {
mbmi->tx_type = tx_type;
txfm_rd_in_plane(x, &r, &d, &s,
&psse, ref_best_rd, 0, bs, mbmi->tx_size,
cpi->sf.use_fast_coef_costing);
if (r == INT_MAX)
continue;
if (is_inter)
r += cpi->inter_tx_type_costs[mbmi->tx_size][mbmi->tx_type];
else
r += cpi->intra_tx_type_costs[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]]
[mbmi->tx_type];
if (s)
this_rd = RDCOST(x->rdmult, x->rddiv, s1, psse);
else
this_rd = RDCOST(x->rdmult, x->rddiv, r + s0, d);
if (is_inter && !xd->lossless[mbmi->segment_id] && !s)
this_rd = VPXMIN(this_rd, RDCOST(x->rdmult, x->rddiv, s1, psse));
if (this_rd < ((best_tx_type == DCT_DCT) ? ext_tx_th : 1) * best_rd) {
best_rd = this_rd;
best_tx_type = mbmi->tx_type;
}
}
}
mbmi->tx_type = best_tx_type;
txfm_rd_in_plane(x, rate, distortion, skip,
sse, ref_best_rd, 0, bs,
mbmi->tx_size, cpi->sf.use_fast_coef_costing);
if (mbmi->tx_size < TX_32X32 && !xd->lossless[mbmi->segment_id]) {
if (is_inter)
*rate += cpi->inter_tx_type_costs[mbmi->tx_size][mbmi->tx_type];
else
*rate += cpi->intra_tx_type_costs[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]]
[mbmi->tx_type];
}
#else
mbmi->tx_size = VPXMIN(max_tx_size, largest_tx_size);
txfm_rd_in_plane(x, rate, distortion, skip,
sse, ref_best_rd, 0, bs,
mbmi->tx_size, cpi->sf.use_fast_coef_costing);
#endif // CONFIG_EXT_TX
}
static void choose_smallest_tx_size(VP10_COMP *cpi, MACROBLOCK *x,
@ -632,87 +688,137 @@ static void choose_tx_size_from_rd(VP10_COMP *cpi, MACROBLOCK *x,
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
vpx_prob skip_prob = vp10_get_skip_prob(cm, xd);
int r[TX_SIZES][2], s[TX_SIZES];
int64_t d[TX_SIZES], sse[TX_SIZES];
int64_t rd[TX_SIZES][2] = {{INT64_MAX, INT64_MAX},
{INT64_MAX, INT64_MAX},
{INT64_MAX, INT64_MAX},
{INT64_MAX, INT64_MAX}};
int r, s;
int64_t d, sse;
int64_t rd = INT64_MAX;
int n, m;
int s0, s1;
int64_t best_rd = INT64_MAX;
int64_t best_rd = INT64_MAX, last_rd = INT64_MAX;
TX_SIZE best_tx = max_tx_size;
int start_tx, end_tx;
const int tx_select = cm->tx_mode == TX_MODE_SELECT;
#if CONFIG_EXT_TX
TX_TYPE tx_type, best_tx_type = DCT_DCT;
#endif // CONFIG_EXT_TX
const int is_inter = is_inter_block(mbmi);
const vpx_prob *tx_probs = get_tx_probs2(max_tx_size, xd, &cm->fc->tx_probs);
assert(skip_prob > 0);
s0 = vp10_cost_bit(skip_prob, 0);
s1 = vp10_cost_bit(skip_prob, 1);
if (cm->tx_mode == TX_MODE_SELECT) {
if (tx_select) {
start_tx = max_tx_size;
end_tx = 0;
} else {
TX_SIZE chosen_tx_size = VPXMIN(max_tx_size,
tx_mode_to_biggest_tx_size[cm->tx_mode]);
const TX_SIZE chosen_tx_size =
VPXMIN(max_tx_size, tx_mode_to_biggest_tx_size[cm->tx_mode]);
start_tx = chosen_tx_size;
end_tx = chosen_tx_size;
}
for (n = start_tx; n >= end_tx; n--) {
int r_tx_size = 0;
for (m = 0; m <= n - (n == (int) max_tx_size); m++) {
if (m == n)
r_tx_size += vp10_cost_zero(tx_probs[m]);
else
r_tx_size += vp10_cost_one(tx_probs[m]);
}
txfm_rd_in_plane(x, &r[n][0], &d[n], &s[n],
&sse[n], ref_best_rd, 0, bs, n,
cpi->sf.use_fast_coef_costing);
r[n][1] = r[n][0];
if (r[n][0] < INT_MAX) {
r[n][1] += r_tx_size;
}
if (d[n] == INT64_MAX || r[n][0] == INT_MAX) {
rd[n][0] = rd[n][1] = INT64_MAX;
} else if (s[n]) {
if (is_inter_block(mbmi)) {
rd[n][0] = rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1, sse[n]);
r[n][1] -= r_tx_size;
} else {
rd[n][0] = RDCOST(x->rdmult, x->rddiv, s1, sse[n]);
rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1 + r_tx_size, sse[n]);
*distortion = INT64_MAX;
*rate = INT_MAX;
*skip = 0;
*psse = INT64_MAX;
#if CONFIG_EXT_TX
for (tx_type = DCT_DCT; tx_type < TX_TYPES; ++tx_type) {
#endif // CONFIG_EXT_TX
last_rd = INT64_MAX;
for (n = start_tx; n >= end_tx; --n) {
int r_tx_size = 0;
for (m = 0; m <= n - (n == (int) max_tx_size); ++m) {
if (m == n)
r_tx_size += vp10_cost_zero(tx_probs[m]);
else
r_tx_size += vp10_cost_one(tx_probs[m]);
}
} 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]);
}
if (is_inter_block(mbmi) && !xd->lossless[mbmi->segment_id] &&
!s[n] && sse[n] != INT64_MAX) {
rd[n][0] = VPXMIN(rd[n][0], RDCOST(x->rdmult, x->rddiv, s1, sse[n]));
rd[n][1] = VPXMIN(rd[n][1], RDCOST(x->rdmult, x->rddiv, s1, sse[n]));
}
#if CONFIG_EXT_TX
if (n >= TX_32X32 && tx_type != DCT_DCT) {
continue;
}
mbmi->tx_type = tx_type;
txfm_rd_in_plane(x, &r, &d, &s,
&sse, ref_best_rd, 0, bs, n,
cpi->sf.use_fast_coef_costing);
if (n < TX_32X32 &&
!xd->lossless[xd->mi[0]->mbmi.segment_id] &&
r != INT_MAX) {
if (is_inter)
r += cpi->inter_tx_type_costs[mbmi->tx_size][mbmi->tx_type];
else
r += cpi->intra_tx_type_costs[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]]
[mbmi->tx_type];
}
#else // CONFIG_EXT_TX
txfm_rd_in_plane(x, &r, &d, &s,
&sse, ref_best_rd, 0, bs, n,
cpi->sf.use_fast_coef_costing);
#endif // CONFIG_EXT_TX
// Early termination in transform size search.
if (cpi->sf.tx_size_search_breakout &&
(rd[n][1] == INT64_MAX ||
(n < (int) max_tx_size && rd[n][1] > rd[n + 1][1]) ||
s[n] == 1))
break;
if (r == INT_MAX)
continue;
if (rd[n][1] < best_rd) {
best_tx = n;
best_rd = rd[n][1];
if (s) {
if (is_inter) {
rd = RDCOST(x->rdmult, x->rddiv, s1, sse);
} else {
rd = RDCOST(x->rdmult, x->rddiv, s1 + r_tx_size * tx_select, sse);
}
} else {
rd = RDCOST(x->rdmult, x->rddiv, r + s0 + r_tx_size * tx_select, d);
}
if (tx_select && !(s && is_inter))
r += r_tx_size;
if (is_inter && !xd->lossless[xd->mi[0]->mbmi.segment_id] && !s)
rd = VPXMIN(rd, RDCOST(x->rdmult, x->rddiv, s1, sse));
// Early termination in transform size search.
if (cpi->sf.tx_size_search_breakout &&
(rd == INT64_MAX ||
#if CONFIG_EXT_TX
(s == 1 && tx_type != DCT_DCT && n < start_tx) ||
#else
(s == 1 && n < start_tx) ||
#endif
(n < (int) max_tx_size && rd > last_rd)))
break;
last_rd = rd;
if (rd <
#if CONFIG_EXT_TX
(is_inter && best_tx_type == DCT_DCT ? ext_tx_th : 1) *
#endif // CONFIG_EXT_TX
best_rd) {
best_tx = n;
best_rd = rd;
*distortion = d;
*rate = r;
*skip = s;
*psse = sse;
#if CONFIG_EXT_TX
best_tx_type = mbmi->tx_type;
#endif // CONFIG_EXT_TX
}
}
#if CONFIG_EXT_TX
}
mbmi->tx_size = best_tx;
#endif // CONFIG_EXT_TX
*distortion = d[mbmi->tx_size];
*rate = r[mbmi->tx_size][cm->tx_mode == TX_MODE_SELECT];
*skip = s[mbmi->tx_size];
*psse = sse[mbmi->tx_size];
mbmi->tx_size = best_tx;
#if CONFIG_EXT_TX
mbmi->tx_type = best_tx_type;
if (mbmi->tx_size >= TX_32X32)
assert(mbmi->tx_type == DCT_DCT);
txfm_rd_in_plane(x, &r, &d, &s,
&sse, ref_best_rd, 0, bs, best_tx,
cpi->sf.use_fast_coef_costing);
#endif // CONFIG_EXT_TX
}
static void super_block_yrd(VP10_COMP *cpi, MACROBLOCK *x, int *rate,
@ -1065,6 +1171,9 @@ static int64_t rd_pick_intra_sby_mode(VP10_COMP *cpi, MACROBLOCK *x,
int this_rate, this_rate_tokenonly, s;
int64_t this_distortion, this_rd;
TX_SIZE best_tx = TX_4X4;
#if CONFIG_EXT_TX
TX_TYPE best_tx_type = DCT_DCT;
#endif // CONFIG_EXT_TX
int *bmode_costs;
const MODE_INFO *above_mi = xd->above_mi;
const MODE_INFO *left_mi = xd->left_mi;
@ -1091,6 +1200,9 @@ static int64_t rd_pick_intra_sby_mode(VP10_COMP *cpi, MACROBLOCK *x,
mode_selected = mode;
best_rd = this_rd;
best_tx = mic->mbmi.tx_size;
#if CONFIG_EXT_TX
best_tx_type = mic->mbmi.tx_type;
#endif // CONFIG_EXT_TX
*rate = this_rate;
*rate_tokenonly = this_rate_tokenonly;
*distortion = this_distortion;
@ -1100,6 +1212,9 @@ static int64_t rd_pick_intra_sby_mode(VP10_COMP *cpi, MACROBLOCK *x,
mic->mbmi.mode = mode_selected;
mic->mbmi.tx_size = best_tx;
#if CONFIG_EXT_TX
mic->mbmi.tx_type = best_tx_type;
#endif // CONFIG_EXT_TX
return best_rd;
}

9
vp10/encoder/subexp.c
View File

@ -212,3 +212,12 @@ void vp10_cond_prob_diff_update(vpx_writer *w, vpx_prob *oldp,
vpx_write(w, 0, upd);
}
}
int vp10_cond_prob_diff_update_savings(vpx_prob *oldp,
const unsigned int ct[2]) {
const vpx_prob upd = DIFF_UPDATE_PROB;
vpx_prob newp = get_binary_prob(ct[0], ct[1]);
const int savings = vp10_prob_diff_update_savings_search(ct, *oldp, &newp,
upd);
return savings;
}

2
vp10/encoder/subexp.h
View File

@ -37,6 +37,8 @@ int vp10_prob_diff_update_savings_search_model(const unsigned int *ct,
vpx_prob upd,
int stepsize);
int vp10_cond_prob_diff_update_savings(vpx_prob *oldp,
const unsigned int ct[2]);
#ifdef __cplusplus
} // extern "C"
#endif