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Coding updates for tx-size selection

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Changes to the coding of transform sizes, along with forward
and backward probability updates.

Results:
derf300: +0.241%

Context based coding of transform sizes will be in a separate
patch.

Change-Id: I97241d60a926f014fee2de21fa4446ca56495756
This commit is contained in:
Deb Mukherjee 2013-06-06 11:14:04 -07:00
parent 4df9e7883c
commit 3ee1a21a42
12 changed files with 173 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
vp9/common/vp9_blockd.h
View File

@ -122,6 +122,15 @@ typedef enum {
#define WHT_UPSCALE_FACTOR 2
#define TX_SIZE_PROBS 6 // (TX_SIZE_MAX_SB * (TX_SIZE_MAX_SB - 1) / 2)
#if TX_SIZE_PROBS == 6
#define get_tx_probs_offset(b) ((b) < BLOCK_SIZE_MB16X16 ? 0 : \
(b) < BLOCK_SIZE_SB32X32 ? 1 : 3)
#else
#define get_tx_probs_offset(b) 0
#endif
/* For keyframes, intra block modes are predicted by the (already decoded)
modes for the Y blocks to the left and above us; for interframes, there
is a single probability table. */

64
vp9/common/vp9_entropymode.c
View File

@ -149,6 +149,54 @@ static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = {
{ 235, 248 },
};
void tx_counts_to_branch_counts(unsigned int *tx_count_32x32p,
unsigned int *tx_count_16x16p,
unsigned int *tx_count_8x8p,
unsigned int (*ct)[2]) {
#if TX_SIZE_PROBS == 6
ct[0][0] = tx_count_8x8p[TX_4X4];
ct[0][1] = tx_count_8x8p[TX_8X8];
ct[1][0] = tx_count_16x16p[TX_4X4];
ct[1][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
ct[2][0] = tx_count_16x16p[TX_8X8];
ct[2][1] = tx_count_16x16p[TX_16X16];
ct[3][0] = tx_count_32x32p[TX_4X4];
ct[3][1] = tx_count_32x32p[TX_8X8] + tx_count_32x32p[TX_16X16] +
tx_count_32x32p[TX_32X32];
ct[4][0] = tx_count_32x32p[TX_8X8];
ct[4][1] = tx_count_32x32p[TX_16X16] + tx_count_32x32p[TX_32X32];
ct[5][0] = tx_count_32x32p[TX_16X16];
ct[5][1] = tx_count_32x32p[TX_32X32];
#else
ct[0][0] = tx_count_32x32p[TX_4X4] +
tx_count_16x16p[TX_4X4] +
tx_count_8x8p[TX_4X4];
ct[0][1] = tx_count_32x32p[TX_8X8] +
tx_count_32x32p[TX_16X16] +
tx_count_32x32p[TX_32X32] +
tx_count_16x16p[TX_8X8] +
tx_count_16x16p[TX_16X16] +
tx_count_8x8p[TX_8X8];
ct[1][0] = tx_count_32x32p[TX_8X8] +
tx_count_16x16p[TX_8X8];
ct[1][1] = tx_count_32x32p[TX_16X16] +
tx_count_32x32p[TX_32X32] +
tx_count_16x16p[TX_16X16];
ct[2][0] = tx_count_32x32p[TX_16X16];
ct[2][1] = tx_count_32x32p[TX_32X32];
#endif
}
#if TX_SIZE_PROBS == 6
const vp9_prob vp9_default_tx_probs[TX_SIZE_PROBS] = {
96, 96, 96, 96, 96, 96
};
#else
const vp9_prob vp9_default_tx_probs[TX_SIZE_PROBS] = {
96, 96, 96
};
#endif
void vp9_init_mbmode_probs(VP9_COMMON *x) {
vpx_memcpy(x->fc.uv_mode_prob, default_if_uv_probs,
sizeof(default_if_uv_probs));
@ -171,6 +219,8 @@ void vp9_init_mbmode_probs(VP9_COMMON *x) {
sizeof(default_comp_ref_p));
vpx_memcpy(x->fc.single_ref_prob, default_single_ref_p,
sizeof(default_single_ref_p));
vpx_memcpy(x->fc.tx_probs, vp9_default_tx_probs,
sizeof(vp9_default_tx_probs));
}
#if VP9_SWITCHABLE_FILTERS == 3
@ -374,6 +424,20 @@ void vp9_adapt_mode_probs(VP9_COMMON *cm) {
fc->switchable_interp_prob[i], 0);
}
}
if (cm->txfm_mode == TX_MODE_SELECT) {
unsigned int branch_ct[TX_SIZE_PROBS][2];
tx_counts_to_branch_counts(cm->fc.tx_count_32x32p,
cm->fc.tx_count_16x16p,
cm->fc.tx_count_8x8p, branch_ct);
for (i = 0; i < TX_SIZE_PROBS; ++i) {
int factor;
int count = branch_ct[i][0] + branch_ct[i][1];
vp9_prob prob = get_binary_prob(branch_ct[i][0], branch_ct[i][1]);
count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
cm->fc.tx_probs[i] = weighted_prob(cm->fc.pre_tx_probs[i], prob, factor);
}
}
}
static void set_default_lf_deltas(MACROBLOCKD *xd) {

7
vp9/common/vp9_entropymode.h
View File

@ -75,4 +75,11 @@ extern struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS];
extern const vp9_prob vp9_switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
[VP9_SWITCHABLE_FILTERS - 1];
extern const vp9_prob vp9_default_tx_probs[TX_SIZE_PROBS];
extern void tx_counts_to_branch_counts(unsigned int *tx_count_32x32p,
unsigned int *tx_count_16x16p,
unsigned int *tx_count_8x8p,
unsigned int (*ct)[2]);
#endif // VP9_COMMON_VP9_ENTROPYMODE_H_

8
vp9/common/vp9_onyxc_int.h
View File

@ -89,6 +89,11 @@ typedef struct frame_contexts {
unsigned int comp_inter_count[COMP_INTER_CONTEXTS][2];
unsigned int single_ref_count[REF_CONTEXTS][2][2];
unsigned int comp_ref_count[REF_CONTEXTS][2];
vp9_prob tx_probs[TX_SIZE_PROBS];
vp9_prob pre_tx_probs[TX_SIZE_PROBS];
unsigned int tx_count_32x32p[TX_SIZE_MAX_SB];
unsigned int tx_count_16x16p[TX_SIZE_MAX_SB - 1];
unsigned int tx_count_8x8p[TX_SIZE_MAX_SB - 2];
} FRAME_CONTEXT;
typedef enum {
@ -239,9 +244,6 @@ typedef struct VP9Common {
MV_REFERENCE_FRAME comp_var_ref[2];
COMPPREDMODE_TYPE comp_pred_mode;
// FIXME contextualize
vp9_prob prob_tx[TX_SIZE_MAX_SB - 1];
vp9_prob mbskip_pred_probs[MBSKIP_CONTEXTS];
FRAME_CONTEXT fc; /* this frame entropy */

28
vp9/decoder/vp9_decodemv.c
View File

@ -64,12 +64,20 @@ static void set_segment_id(VP9_COMMON *cm, MB_MODE_INFO *mbmi,
}
static TX_SIZE select_txfm_size(VP9_COMMON *cm, vp9_reader *r,
int allow_16x16, int allow_32x32) {
TX_SIZE txfm_size = vp9_read(r, cm->prob_tx[0]); // TX_4X4 or >TX_4X4
if (txfm_size != TX_4X4 && allow_16x16) {
txfm_size += vp9_read(r, cm->prob_tx[1]); // TX_8X8 or >TX_8X8
if (txfm_size != TX_8X8 && allow_32x32)
txfm_size += vp9_read(r, cm->prob_tx[2]); // TX_16X16 or >TX_16X16
BLOCK_SIZE_TYPE bsize) {
int tx_probs_offset = get_tx_probs_offset(bsize);
TX_SIZE txfm_size = vp9_read(r, cm->fc.tx_probs[tx_probs_offset]);
if (txfm_size != TX_4X4 && bsize >= BLOCK_SIZE_MB16X16) {
txfm_size += vp9_read(r, cm->fc.tx_probs[tx_probs_offset + 1]);
if (txfm_size != TX_8X8 && bsize >= BLOCK_SIZE_SB32X32)
txfm_size += vp9_read(r, cm->fc.tx_probs[tx_probs_offset + 2]);
}
if (bsize >= BLOCK_SIZE_SB32X32) {
cm->fc.tx_count_32x32p[txfm_size]++;
} else if (bsize >= BLOCK_SIZE_MB16X16) {
cm->fc.tx_count_16x16p[txfm_size]++;
} else {
cm->fc.tx_count_8x8p[txfm_size]++;
}
return txfm_size;
}
@ -96,9 +104,7 @@ static void kfread_modes(VP9D_COMP *pbi, MODE_INFO *m,
if (cm->txfm_mode == TX_MODE_SELECT &&
m->mbmi.sb_type >= BLOCK_SIZE_SB8X8) {
const int allow_16x16 = m->mbmi.sb_type >= BLOCK_SIZE_MB16X16;
const int allow_32x32 = m->mbmi.sb_type >= BLOCK_SIZE_SB32X32;
m->mbmi.txfm_size = select_txfm_size(cm, r, allow_16x16, allow_32x32);
m->mbmi.txfm_size = select_txfm_size(cm, r, m->mbmi.sb_type);
} else if (cm->txfm_mode >= ALLOW_32X32 &&
m->mbmi.sb_type >= BLOCK_SIZE_SB32X32) {
m->mbmi.txfm_size = TX_32X32;
@ -537,9 +543,7 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
if (cm->txfm_mode == TX_MODE_SELECT &&
(mbmi->mb_skip_coeff == 0 || mbmi->ref_frame[0] == INTRA_FRAME) &&
bsize >= BLOCK_SIZE_SB8X8) {
const int allow_16x16 = bsize >= BLOCK_SIZE_MB16X16;
const int allow_32x32 = bsize >= BLOCK_SIZE_SB32X32;
mbmi->txfm_size = select_txfm_size(cm, r, allow_16x16, allow_32x32);
mbmi->txfm_size = select_txfm_size(cm, r, bsize);
} else if (bsize >= BLOCK_SIZE_SB32X32 &&
cm->txfm_mode >= ALLOW_32X32) {
mbmi->txfm_size = TX_32X32;

21
vp9/decoder/vp9_decodframe.c
View File

@ -57,11 +57,16 @@ static void setup_txfm_mode(VP9_COMMON *pc, int lossless, vp9_reader *r) {
pc->txfm_mode = vp9_read_literal(r, 2);
if (pc->txfm_mode == ALLOW_32X32)
pc->txfm_mode += vp9_read_bit(r);
if (pc->txfm_mode == TX_MODE_SELECT) {
pc->prob_tx[0] = vp9_read_prob(r);
pc->prob_tx[1] = vp9_read_prob(r);
pc->prob_tx[2] = vp9_read_prob(r);
int i;
for (i = 0; i < TX_SIZE_PROBS; ++i) {
if (vp9_read(r, VP9_DEF_UPDATE_PROB))
pc->fc.tx_probs[i] =
vp9_read_prob_diff_update(r, pc->fc.tx_probs[i]);
}
} else {
vpx_memcpy(pc->fc.tx_probs, vp9_default_tx_probs,
sizeof(vp9_default_tx_probs));
}
}
}
@ -779,6 +784,7 @@ static void update_frame_context(FRAME_CONTEXT *fc) {
fc->pre_nmvc = fc->nmvc;
vp9_copy(fc->pre_switchable_interp_prob, fc->switchable_interp_prob);
vp9_copy(fc->pre_inter_mode_probs, fc->inter_mode_probs);
vp9_copy(fc->pre_tx_probs, fc->tx_probs);
vp9_zero(fc->coef_counts);
vp9_zero(fc->eob_branch_counts);
@ -792,6 +798,9 @@ static void update_frame_context(FRAME_CONTEXT *fc) {
vp9_zero(fc->comp_inter_count);
vp9_zero(fc->single_ref_count);
vp9_zero(fc->comp_ref_count);
vp9_zero(fc->tx_count_8x8p);
vp9_zero(fc->tx_count_16x16p);
vp9_zero(fc->tx_count_32x32p);
}
static void decode_tile(VP9D_COMP *pbi, vp9_reader *r) {
@ -1050,10 +1059,10 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
pc->fc = pc->frame_contexts[pc->frame_context_idx];
setup_txfm_mode(pc, xd->lossless, &header_bc);
update_frame_context(&pc->fc);
setup_txfm_mode(pc, xd->lossless, &header_bc);
read_coef_probs(pbi, &header_bc);
// Initialize xd pointers. Any reference should do for xd->pre, so use 0.

70
vp9/encoder/vp9_bitstream.c
View File

@ -575,12 +575,12 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
!(rf != INTRA_FRAME &&
(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]);
int tx_probs_offset = get_tx_probs_offset(mi->sb_type);
vp9_write(bc, sz != TX_4X4, pc->fc.tx_probs[tx_probs_offset]);
if (mi->sb_type >= BLOCK_SIZE_MB16X16 && sz != TX_4X4) {
vp9_write(bc, sz != TX_8X8, pc->prob_tx[1]);
vp9_write(bc, sz != TX_8X8, pc->fc.tx_probs[tx_probs_offset + 1]);
if (mi->sb_type >= BLOCK_SIZE_SB32X32 && sz != TX_8X8)
vp9_write(bc, sz != TX_16X16, pc->prob_tx[2]);
vp9_write(bc, sz != TX_16X16, pc->fc.tx_probs[tx_probs_offset + 2]);
}
}
@ -706,12 +706,12 @@ static void write_mb_modes_kf(const VP9_COMP *cpi,
if (m->mbmi.sb_type >= BLOCK_SIZE_SB8X8 && c->txfm_mode == TX_MODE_SELECT) {
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]);
int tx_probs_offset = get_tx_probs_offset(m->mbmi.sb_type);
vp9_write(bc, sz != TX_4X4, c->fc.tx_probs[tx_probs_offset]);
if (m->mbmi.sb_type >= BLOCK_SIZE_MB16X16 && sz != TX_4X4) {
vp9_write(bc, sz != TX_8X8, c->prob_tx[1]);
vp9_write(bc, sz != TX_8X8, c->fc.tx_probs[tx_probs_offset + 1]);
if (m->mbmi.sb_type >= BLOCK_SIZE_SB32X32 && sz != TX_8X8)
vp9_write(bc, sz != TX_16X16, c->prob_tx[2]);
vp9_write(bc, sz != TX_16X16, c->fc.tx_probs[tx_probs_offset + 2]);
}
}
@ -1217,7 +1217,7 @@ static void encode_segmentation(VP9_COMP *cpi,
}
static void encode_txfm(VP9_COMP *cpi, vp9_writer *w) {
static void encode_txfm_probs(VP9_COMP *cpi, vp9_writer *w) {
VP9_COMMON *const cm = &cpi->common;
// Mode
@ -1227,35 +1227,19 @@ static void encode_txfm(VP9_COMP *cpi, vp9_writer *w) {
// Probabilities
if (cm->txfm_mode == TX_MODE_SELECT) {
cm->prob_tx[0] = get_prob(cpi->txfm_count_32x32p[TX_4X4] +
cpi->txfm_count_16x16p[TX_4X4] +
cpi->txfm_count_8x8p[TX_4X4],
cpi->txfm_count_32x32p[TX_4X4] +
cpi->txfm_count_32x32p[TX_8X8] +
cpi->txfm_count_32x32p[TX_16X16] +
cpi->txfm_count_32x32p[TX_32X32] +
cpi->txfm_count_16x16p[TX_4X4] +
cpi->txfm_count_16x16p[TX_8X8] +
cpi->txfm_count_16x16p[TX_16X16] +
cpi->txfm_count_8x8p[TX_4X4] +
cpi->txfm_count_8x8p[TX_8X8]);
cm->prob_tx[1] = get_prob(cpi->txfm_count_32x32p[TX_8X8] +
cpi->txfm_count_16x16p[TX_8X8],
cpi->txfm_count_32x32p[TX_8X8] +
cpi->txfm_count_32x32p[TX_16X16] +
cpi->txfm_count_32x32p[TX_32X32] +
cpi->txfm_count_16x16p[TX_8X8] +
cpi->txfm_count_16x16p[TX_16X16]);
cm->prob_tx[2] = get_prob(cpi->txfm_count_32x32p[TX_16X16],
cpi->txfm_count_32x32p[TX_16X16] +
cpi->txfm_count_32x32p[TX_32X32]);
vp9_write_prob(w, cm->prob_tx[0]);
vp9_write_prob(w, cm->prob_tx[1]);
vp9_write_prob(w, cm->prob_tx[2]);
int i;
unsigned int ct[TX_SIZE_PROBS][2];
tx_counts_to_branch_counts(cm->fc.tx_count_32x32p,
cm->fc.tx_count_16x16p,
cm->fc.tx_count_8x8p, ct);
for (i = 0; i < TX_SIZE_PROBS; i++) {
vp9_cond_prob_diff_update(w, &cm->fc.tx_probs[i],
VP9_DEF_UPDATE_PROB, ct[i]);
}
} else {
cm->prob_tx[0] = 128;
cm->prob_tx[1] = 128;
cm->prob_tx[2] = 128;
vpx_memcpy(cm->fc.tx_probs, vp9_default_tx_probs,
sizeof(vp9_default_tx_probs));
}
}
@ -1440,11 +1424,6 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
active_section = 7;
#endif
if (xd->lossless)
pc->txfm_mode = ONLY_4X4;
else
encode_txfm(cpi, &header_bc);
vp9_clear_system_state(); // __asm emms;
vp9_copy(pc->fc.pre_coef_probs, pc->fc.coef_probs);
@ -1460,6 +1439,13 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
vp9_copy(pc->fc.pre_comp_ref_prob, pc->fc.comp_ref_prob);
vp9_copy(pc->fc.pre_single_ref_prob, pc->fc.single_ref_prob);
cpi->common.fc.pre_nmvc = cpi->common.fc.nmvc;
vp9_copy(cpi->common.fc.pre_tx_probs, cpi->common.fc.tx_probs);
if (xd->lossless) {
pc->txfm_mode = ONLY_4X4;
} else {
encode_txfm_probs(cpi, &header_bc);
}
update_coef_probs(cpi, &header_bc);

37
vp9/encoder/vp9_encodeframe.c
View File

@ -1464,12 +1464,15 @@ static void init_encode_frame_mb_context(VP9_COMP *cpi) {
vp9_zero(cpi->y_mode_count)
vp9_zero(cpi->y_uv_mode_count)
vp9_zero(cpi->common.fc.inter_mode_counts)
vp9_zero(cm->fc.inter_mode_counts)
vp9_zero(cpi->partition_count);
vp9_zero(cpi->intra_inter_count);
vp9_zero(cpi->comp_inter_count);
vp9_zero(cpi->single_ref_count);
vp9_zero(cpi->comp_ref_count);
vp9_zero(cm->fc.tx_count_32x32p);
vp9_zero(cm->fc.tx_count_16x16p);
vp9_zero(cm->fc.tx_count_8x8p);
// Note: this memset assumes above_context[0], [1] and [2]
// are allocated as part of the same buffer.
@ -1560,9 +1563,6 @@ static void encode_frame_internal(VP9_COMP *cpi) {
init_encode_frame_mb_context(cpi);
vpx_memset(cpi->rd_comp_pred_diff, 0, sizeof(cpi->rd_comp_pred_diff));
vpx_memset(cpi->txfm_count_32x32p, 0, sizeof(cpi->txfm_count_32x32p));
vpx_memset(cpi->txfm_count_16x16p, 0, sizeof(cpi->txfm_count_16x16p));
vpx_memset(cpi->txfm_count_8x8p, 0, sizeof(cpi->txfm_count_8x8p));
vpx_memset(cpi->rd_tx_select_diff, 0, sizeof(cpi->rd_tx_select_diff));
vpx_memset(cpi->rd_tx_select_threshes, 0, sizeof(cpi->rd_tx_select_threshes));
@ -1841,11 +1841,6 @@ void vp9_encode_frame(VP9_COMP *cpi) {
ALLOW_32X32 : TX_MODE_SELECT;
#endif
cpi->common.txfm_mode = txfm_type;
if (txfm_type != TX_MODE_SELECT) {
cpi->common.prob_tx[0] = 128;
cpi->common.prob_tx[1] = 128;
cpi->common.prob_tx[2] = 128;
}
cpi->common.comp_pred_mode = pred_type;
encode_frame_internal(cpi);
@ -1885,15 +1880,15 @@ void vp9_encode_frame(VP9_COMP *cpi) {
}
if (cpi->common.txfm_mode == TX_MODE_SELECT) {
const int count4x4 = cpi->txfm_count_16x16p[TX_4X4] +
cpi->txfm_count_32x32p[TX_4X4] +
cpi->txfm_count_8x8p[TX_4X4];
const int count8x8_lp = cpi->txfm_count_32x32p[TX_8X8] +
cpi->txfm_count_16x16p[TX_8X8];
const int count8x8_8x8p = cpi->txfm_count_8x8p[TX_8X8];
const int count16x16_16x16p = cpi->txfm_count_16x16p[TX_16X16];
const int count16x16_lp = cpi->txfm_count_32x32p[TX_16X16];
const int count32x32 = cpi->txfm_count_32x32p[TX_32X32];
const int count4x4 = cm->fc.tx_count_16x16p[TX_4X4] +
cm->fc.tx_count_32x32p[TX_4X4] +
cm->fc.tx_count_8x8p[TX_4X4];
const int count8x8_lp = cm->fc.tx_count_32x32p[TX_8X8] +
cm->fc.tx_count_16x16p[TX_8X8];
const int count8x8_8x8p = cm->fc.tx_count_8x8p[TX_8X8];
const int count16x16_16x16p = cm->fc.tx_count_16x16p[TX_16X16];
const int count16x16_lp = cm->fc.tx_count_32x32p[TX_16X16];
const int count32x32 = cm->fc.tx_count_32x32p[TX_32X32];
if (count4x4 == 0 && count16x16_lp == 0 && count16x16_16x16p == 0 &&
count32x32 == 0) {
@ -2077,11 +2072,11 @@ static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t,
!(mbmi->ref_frame[0] != INTRA_FRAME && (mbmi->mb_skip_coeff ||
vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)))) {
if (bsize >= BLOCK_SIZE_SB32X32) {
cpi->txfm_count_32x32p[mbmi->txfm_size]++;
cm->fc.tx_count_32x32p[mbmi->txfm_size]++;
} else if (bsize >= BLOCK_SIZE_MB16X16) {
cpi->txfm_count_16x16p[mbmi->txfm_size]++;
cm->fc.tx_count_16x16p[mbmi->txfm_size]++;
} else {
cpi->txfm_count_8x8p[mbmi->txfm_size]++;
cm->fc.tx_count_8x8p[mbmi->txfm_size]++;
}
} else {
int x, y;

2
vp9/encoder/vp9_onyx_if.c
View File

@ -1298,8 +1298,6 @@ VP9_PTR vp9_create_compressor(VP9_CONFIG *oxcf) {
cpi->frames_till_gf_update_due = 0;
cpi->gf_overspend_bits = 0;
cpi->non_gf_bitrate_adjustment = 0;
for (i = 0; i < TX_SIZE_MAX_SB - 1; i++)
cm->prob_tx[i] = 128;
// Set reference frame sign bias for ALTREF frame to 1 (for now)
cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 1;

5
vp9/encoder/vp9_onyx_int.h
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@ -89,6 +89,7 @@ typedef struct {
int inter_mode_counts[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1][2];
vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1];
vp9_prob tx_probs[TX_SIZE_PROBS];
} CODING_CONTEXT;
typedef struct {
@ -326,9 +327,7 @@ typedef struct VP9_COMP {
unsigned int comp_ref_count[REF_CONTEXTS][2];
// FIXME contextualize
int txfm_count_32x32p[TX_SIZE_MAX_SB];
int txfm_count_16x16p[TX_SIZE_MAX_SB - 1];
int txfm_count_8x8p[TX_SIZE_MAX_SB - 2];
int64_t rd_tx_select_diff[NB_TXFM_MODES];
int rd_tx_select_threshes[4][NB_TXFM_MODES];

2
vp9/encoder/vp9_ratectrl.c
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@ -143,6 +143,7 @@ void vp9_save_coding_context(VP9_COMP *cpi) {
vp9_copy(cc->coef_probs, cm->fc.coef_probs);
vp9_copy(cc->switchable_interp_prob, cm->fc.switchable_interp_prob);
vp9_copy(cc->tx_probs, cm->fc.tx_probs);
}
void vp9_restore_coding_context(VP9_COMP *cpi) {
@ -180,6 +181,7 @@ void vp9_restore_coding_context(VP9_COMP *cpi) {
vp9_copy(cm->fc.coef_probs, cc->coef_probs);
vp9_copy(cm->fc.switchable_interp_prob, cc->switchable_interp_prob);
vp9_copy(cm->fc.tx_probs, cc->tx_probs);
}
void vp9_setup_key_frame(VP9_COMP *cpi) {

12
vp9/encoder/vp9_rdopt.c
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@ -420,6 +420,7 @@ static void choose_txfm_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x,
int *d, int *distortion,
int *s, int *skip,
int64_t txfm_cache[NB_TXFM_MODES],
BLOCK_SIZE_TYPE bs,
TX_SIZE max_txfm_size) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
@ -429,13 +430,15 @@ static void choose_txfm_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x,
int n, m;
int s0, s1;
int tx_probs_offset = get_tx_probs_offset(bs);
for (n = TX_4X4; n <= max_txfm_size; n++) {
r[n][1] = r[n][0];
for (m = 0; m <= n - (n == max_txfm_size); m++) {
if (m == n)
r[n][1] += vp9_cost_zero(cm->prob_tx[m]);
r[n][1] += vp9_cost_zero(cm->fc.tx_probs[tx_probs_offset + m]);
else
r[n][1] += vp9_cost_one(cm->prob_tx[m]);
r[n][1] += vp9_cost_one(cm->fc.tx_probs[tx_probs_offset + m]);
}
}
@ -608,6 +611,8 @@ static void super_block_yrd(VP9_COMP *cpi,
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mode_info_context->mbmi;
assert(bs == mbmi->sb_type);
if (mbmi->ref_frame[0] > INTRA_FRAME)
vp9_subtract_sby(x, bs);
@ -637,7 +642,8 @@ static void super_block_yrd(VP9_COMP *cpi,
super_block_yrd_for_txfm(cm, x, &r[TX_4X4][0], &d[TX_4X4], &s[TX_4X4], bs,
TX_4X4);
choose_txfm_size_from_rd(cpi, x, r, rate, d, distortion, s, skip, txfm_cache,
choose_txfm_size_from_rd(cpi, x, r, rate, d, distortion, s,
skip, txfm_cache, bs,
TX_32X32 - (bs < BLOCK_SIZE_SB32X32)
- (bs < BLOCK_SIZE_MB16X16));
}