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Update intra_ext_tx_cdf per frame.

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Move computing the intra_ext_tx_cdf tables per symbol to
 computing them only when the probabilities are updated.

Change-Id: I26d5e419e103093e98a7d896c196176305b50fc9
This commit is contained in:
Nathan E. Egge
2016-04-26 12:31:14 -04:00
committed by Yaowu Xu
parent 4947c296f7
commit 7c5b4c1665
6 changed files with 48 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
av1/common/entropymode.c
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@@ -1284,6 +1284,9 @@ const aom_tree_index av1_ext_tx_tree[TREE_SIZE(TX_TYPES)] = {
};
/* clang-format on */
int av1_ext_tx_ind[TX_TYPES];
int av1_ext_tx_inv[TX_TYPES];
static const aom_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 } },
@@ -1383,6 +1386,8 @@ static void init_mode_probs(FRAME_CONTEXT *fc) {
#if CONFIG_DAALA_EC
av1_tree_to_cdf_1D(av1_switchable_interp_tree, fc->switchable_interp_prob,
fc->switchable_interp_cdf, SWITCHABLE_FILTER_CONTEXTS);
av1_tree_to_cdf_2D(av1_ext_tx_tree, fc->intra_ext_tx_prob,
fc->intra_ext_tx_cdf, EXT_TX_SIZES, TX_TYPES);
#endif
}
@@ -1578,10 +1583,15 @@ void av1_adapt_intra_frame_probs(AV1_COMMON *cm) {
}
#else
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (j = 0; j < TX_TYPES; ++j)
for (j = 0; j < TX_TYPES; ++j) {
aom_tree_merge_probs(av1_ext_tx_tree, pre_fc->intra_ext_tx_prob[i][j],
counts->intra_ext_tx[i][j],
fc->intra_ext_tx_prob[i][j]);
#if CONFIG_DAALA_EC
av1_tree_to_cdf(av1_ext_tx_tree, fc->intra_ext_tx_prob[i][j],
fc->intra_ext_tx_cdf[i][j]);
#endif
}
}
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
aom_tree_merge_probs(av1_ext_tx_tree, pre_fc->inter_ext_tx_prob[i],

5
av1/common/entropymode.h
View File

@@ -134,6 +134,7 @@ typedef struct frame_contexts {
#if CONFIG_DAALA_EC
uint16_t switchable_interp_cdf[SWITCHABLE_FILTER_CONTEXTS]
[SWITCHABLE_FILTERS];
uint16_t intra_ext_tx_cdf[EXT_TX_SIZES][TX_TYPES][TX_TYPES];
#endif
} FRAME_CONTEXT;
@@ -291,6 +292,10 @@ void av1_setup_past_independence(struct AV1Common *cm);
void av1_adapt_intra_frame_probs(struct AV1Common *cm);
void av1_adapt_inter_frame_probs(struct AV1Common *cm);
#if CONFIG_DAALA_EC
extern int av1_ext_tx_ind[TX_TYPES];
extern int av1_ext_tx_inv[TX_TYPES];
#endif
static INLINE int av1_ceil_log2(int n) {
int i = 1, p = 2;

7
av1/decoder/decodeframe.c
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@@ -3519,9 +3519,14 @@ static void read_ext_tx_probs(FRAME_CONTEXT *fc, aom_reader *r) {
int i, j, k;
if (aom_read(r, GROUP_DIFF_UPDATE_PROB)) {
for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
for (j = 0; j < TX_TYPES; ++j)
for (j = 0; j < TX_TYPES; ++j) {
for (k = 0; k < TX_TYPES - 1; ++k)
av1_diff_update_prob(r, &fc->intra_ext_tx_prob[i][j][k]);
#if CONFIG_DAALA_EC
av1_tree_to_cdf(av1_ext_tx_tree, fc->intra_ext_tx_prob[i][j],
fc->intra_ext_tx_cdf[i][j]);
#endif
}
}
}
if (aom_read(r, GROUP_DIFF_UPDATE_PROB)) {

5
av1/decoder/decodemv.c
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@@ -1774,9 +1774,14 @@ static void read_inter_frame_mode_info(AV1Decoder *const pbi,
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];
#if CONFIG_DAALA_EC
mbmi->tx_type = av1_ext_tx_inv[aom_read_tree_cdf(
r, cm->fc->intra_ext_tx_cdf[mbmi->tx_size][tx_type_nom], TX_TYPES)];
#else
mbmi->tx_type = aom_read_tree(
r, av1_ext_tx_tree,
cm->fc->intra_ext_tx_prob[mbmi->tx_size][tx_type_nom]);
#endif
if (counts)
++counts->intra_ext_tx[mbmi->tx_size][tx_type_nom][mbmi->tx_type];
}

2
av1/decoder/decoder.c
View File

@@ -50,6 +50,8 @@ static void initialize_dec(void) {
#if CONFIG_DAALA_EC
av1_indices_from_tree(av1_switchable_interp_ind, av1_switchable_interp_inv,
SWITCHABLE_FILTERS, av1_switchable_interp_tree);
av1_indices_from_tree(av1_ext_tx_ind, av1_ext_tx_inv, TX_TYPES,
av1_ext_tx_tree);
#endif
}
}

20
av1/encoder/bitstream.c
View File

@@ -196,6 +196,11 @@ void av1_encode_token_init(void) {
an in-order traversal of the av1_switchable_interp_tree structure. */
av1_indices_from_tree(av1_switchable_interp_ind, av1_switchable_interp_inv,
SWITCHABLE_FILTERS, av1_switchable_interp_tree);
/* This hack is necessary because the four TX_TYPES are not consecutive,
e.g., 0, 1, 2, 3, when doing an in-order traversal of the av1_ext_tx_tree
structure. */
av1_indices_from_tree(av1_ext_tx_ind, av1_ext_tx_inv, TX_TYPES,
av1_ext_tx_tree);
#endif
}
@@ -576,9 +581,14 @@ static void update_ext_tx_probs(AV1_COMMON *cm, aom_writer *w) {
aom_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)
for (j = 0; j < TX_TYPES; ++j) {
prob_diff_update(av1_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
cm->counts.intra_ext_tx[i][j], TX_TYPES, w);
#if CONFIG_DAALA_EC
av1_tree_to_cdf(av1_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
cm->fc->intra_ext_tx_cdf[i][j]);
#endif
}
}
}
savings = 0;
@@ -1452,12 +1462,20 @@ static void pack_inter_mode_mvs(AV1_COMP *cpi, const MODE_INFO *mi,
cm->fc->inter_ext_tx_prob[mbmi->tx_size],
&ext_tx_encodings[mbmi->tx_type]);
} else {
#if CONFIG_DAALA_EC
aom_write_tree_cdf(
w, av1_ext_tx_ind[mbmi->tx_type],
cm->fc->intra_ext_tx_cdf[mbmi->tx_size]
[intra_mode_to_tx_type_context[mbmi->mode]],
TX_TYPES);
#else
av1_write_token(
w, av1_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
}
} else {
if (!mbmi->skip) {