Commit 822b5160 authored by Deb Mukherjee's avatar Deb Mukherjee

High bit-depth coefficient coding functions

Tokenization and Detokenization enhancements for 10/12 bit

Change-Id: I3c269ec30f8eb160ee024905638a193975237559
parent d689e77c
......@@ -23,6 +23,26 @@ const vp9_prob vp9_cat5_prob[] = { 180, 157, 141, 134, 130 };
const vp9_prob vp9_cat6_prob[] = {
254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129
};
#if CONFIG_VP9_HIGHBITDEPTH
const vp9_prob vp9_cat1_prob_high10[] = { 159 };
const vp9_prob vp9_cat2_prob_high10[] = { 165, 145 };
const vp9_prob vp9_cat3_prob_high10[] = { 173, 148, 140 };
const vp9_prob vp9_cat4_prob_high10[] = { 176, 155, 140, 135 };
const vp9_prob vp9_cat5_prob_high10[] = { 180, 157, 141, 134, 130 };
const vp9_prob vp9_cat6_prob_high10[] = {
255, 255, 254, 254, 254, 252, 249, 243,
230, 196, 177, 153, 140, 133, 130, 129
};
const vp9_prob vp9_cat1_prob_high12[] = { 159 };
const vp9_prob vp9_cat2_prob_high12[] = { 165, 145 };
const vp9_prob vp9_cat3_prob_high12[] = { 173, 148, 140 };
const vp9_prob vp9_cat4_prob_high12[] = { 176, 155, 140, 135 };
const vp9_prob vp9_cat5_prob_high12[] = { 180, 157, 141, 134, 130 };
const vp9_prob vp9_cat6_prob_high12[] = {
255, 255, 255, 255, 254, 254, 254, 252, 249,
243, 230, 196, 177, 153, 140, 133, 130, 129
};
#endif
const uint8_t vp9_coefband_trans_8x8plus[1024] = {
0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4,
......
......@@ -58,6 +58,21 @@ DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat4_prob[4]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat5_prob[5]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat6_prob[14]);
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat1_prob_high10[1]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat2_prob_high10[2]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat3_prob_high10[3]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat4_prob_high10[4]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat5_prob_high10[5]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat6_prob_high10[16]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat1_prob_high12[1]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat2_prob_high12[2]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat3_prob_high12[3]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat4_prob_high12[4]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat5_prob_high12[5]);
DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat6_prob_high12[18]);
#endif // CONFIG_VP9_HIGHBITDEPTH
#define EOB_MODEL_TOKEN 3
extern const vp9_tree_index vp9_coefmodel_tree[];
......@@ -70,8 +85,16 @@ typedef struct {
// indexed by token value
extern const vp9_extra_bit vp9_extra_bits[ENTROPY_TOKENS];
#if CONFIG_VP9_HIGHBITDEPTH
extern const vp9_extra_bit vp9_extra_bits_high10[ENTROPY_TOKENS];
extern const vp9_extra_bit vp9_extra_bits_high12[ENTROPY_TOKENS];
#endif // CONFIG_VP9_HIGHBITDEPTH
#define DCT_MAX_VALUE 16384
#if CONFIG_VP9_HIGHBITDEPTH
#define DCT_MAX_VALUE_HIGH10 65536
#define DCT_MAX_VALUE_HIGH12 262144
#endif // CONFIG_VP9_HIGHBITDEPTH
/* Coefficients are predicted via a 3-dimensional probability table. */
......
......@@ -74,6 +74,46 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd, PLANE_TYPE type,
const int dq_shift = (tx_size == TX_32X32);
int v, token;
int16_t dqv = dq[0];
const uint8_t *cat1_prob;
const uint8_t *cat2_prob;
const uint8_t *cat3_prob;
const uint8_t *cat4_prob;
const uint8_t *cat5_prob;
const uint8_t *cat6_prob;
#if CONFIG_VP9_HIGHBITDEPTH
if (cm->use_highbitdepth) {
if (cm->bit_depth == VPX_BITS_10) {
cat1_prob = vp9_cat1_prob_high10;
cat2_prob = vp9_cat2_prob_high10;
cat3_prob = vp9_cat3_prob_high10;
cat4_prob = vp9_cat4_prob_high10;
cat5_prob = vp9_cat5_prob_high10;
cat6_prob = vp9_cat6_prob_high10;
} else {
cat1_prob = vp9_cat1_prob_high12;
cat2_prob = vp9_cat2_prob_high12;
cat3_prob = vp9_cat3_prob_high12;
cat4_prob = vp9_cat4_prob_high12;
cat5_prob = vp9_cat5_prob_high12;
cat6_prob = vp9_cat6_prob_high12;
}
} else {
cat1_prob = vp9_cat1_prob;
cat2_prob = vp9_cat2_prob;
cat3_prob = vp9_cat3_prob;
cat4_prob = vp9_cat4_prob;
cat5_prob = vp9_cat5_prob;
cat6_prob = vp9_cat6_prob;
}
#else
cat1_prob = vp9_cat1_prob;
cat2_prob = vp9_cat2_prob;
cat3_prob = vp9_cat3_prob;
cat4_prob = vp9_cat4_prob;
cat5_prob = vp9_cat5_prob;
cat6_prob = vp9_cat6_prob;
#endif
while (c < max_eob) {
int val = -1;
......@@ -113,22 +153,39 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd, PLANE_TYPE type,
val = token;
break;
case CATEGORY1_TOKEN:
val = CAT1_MIN_VAL + read_coeff(vp9_cat1_prob, 1, r);
val = CAT1_MIN_VAL + read_coeff(cat1_prob, 1, r);
break;
case CATEGORY2_TOKEN:
val = CAT2_MIN_VAL + read_coeff(vp9_cat2_prob, 2, r);
val = CAT2_MIN_VAL + read_coeff(cat2_prob, 2, r);
break;
case CATEGORY3_TOKEN:
val = CAT3_MIN_VAL + read_coeff(vp9_cat3_prob, 3, r);
val = CAT3_MIN_VAL + read_coeff(cat3_prob, 3, r);
break;
case CATEGORY4_TOKEN:
val = CAT4_MIN_VAL + read_coeff(vp9_cat4_prob, 4, r);
val = CAT4_MIN_VAL + read_coeff(cat4_prob, 4, r);
break;
case CATEGORY5_TOKEN:
val = CAT5_MIN_VAL + read_coeff(vp9_cat5_prob, 5, r);
val = CAT5_MIN_VAL + read_coeff(cat5_prob, 5, r);
break;
case CATEGORY6_TOKEN:
val = CAT6_MIN_VAL + read_coeff(vp9_cat6_prob, 14, r);
#if CONFIG_VP9_HIGHBITDEPTH
switch (cm->bit_depth) {
case VPX_BITS_8:
val = CAT6_MIN_VAL + read_coeff(cat6_prob, 14, r);
break;
case VPX_BITS_10:
val = CAT6_MIN_VAL + read_coeff(cat6_prob, 16, r);
break;
case VPX_BITS_12:
val = CAT6_MIN_VAL + read_coeff(cat6_prob, 18, r);
break;
default:
assert(0);
return -1;
}
#else
val = CAT6_MIN_VAL + read_coeff(cat6_prob, 14, r);
#endif
break;
}
}
......
......@@ -28,6 +28,18 @@ const TOKENVALUE *vp9_dct_value_tokens_ptr;
static int16_t dct_value_cost[DCT_MAX_VALUE * 2];
const int16_t *vp9_dct_value_cost_ptr;
#if CONFIG_VP9_HIGHBITDEPTH
static TOKENVALUE dct_value_tokens_high10[DCT_MAX_VALUE_HIGH10 * 2];
const TOKENVALUE *vp9_dct_value_tokens_high10_ptr;
static int16_t dct_value_cost_high10[DCT_MAX_VALUE_HIGH10 * 2];
const int16_t *vp9_dct_value_cost_high10_ptr;
static TOKENVALUE dct_value_tokens_high12[DCT_MAX_VALUE_HIGH12 * 2];
const TOKENVALUE *vp9_dct_value_tokens_high12_ptr;
static int16_t dct_value_cost_high12[DCT_MAX_VALUE_HIGH12 * 2];
const int16_t *vp9_dct_value_cost_high12_ptr;
#endif
// Array indices are identical to previously-existing CONTEXT_NODE indices
const vp9_tree_index vp9_coef_tree[TREE_SIZE(ENTROPY_TOKENS)] = {
-EOB_TOKEN, 2, // 0 = EOB
......@@ -57,6 +69,21 @@ const vp9_tree_index vp9_coef_con_tree[TREE_SIZE(ENTROPY_TOKENS)] = {
static vp9_tree_index cat1[2], cat2[4], cat3[6], cat4[8], cat5[10], cat6[28];
#if CONFIG_VP9_HIGHBITDEPTH
static vp9_tree_index cat1_high10[2];
static vp9_tree_index cat2_high10[4];
static vp9_tree_index cat3_high10[6];
static vp9_tree_index cat4_high10[8];
static vp9_tree_index cat5_high10[10];
static vp9_tree_index cat6_high10[32];
static vp9_tree_index cat1_high12[2];
static vp9_tree_index cat2_high12[4];
static vp9_tree_index cat3_high12[6];
static vp9_tree_index cat4_high12[8];
static vp9_tree_index cat5_high12[10];
static vp9_tree_index cat6_high12[36];
#endif
static void init_bit_tree(vp9_tree_index *p, int n) {
int i = 0;
......@@ -75,6 +102,20 @@ static void init_bit_trees() {
init_bit_tree(cat4, 4);
init_bit_tree(cat5, 5);
init_bit_tree(cat6, 14);
#if CONFIG_VP9_HIGHBITDEPTH
init_bit_tree(cat1_high10, 1);
init_bit_tree(cat2_high10, 2);
init_bit_tree(cat3_high10, 3);
init_bit_tree(cat4_high10, 4);
init_bit_tree(cat5_high10, 5);
init_bit_tree(cat6_high10, 16);
init_bit_tree(cat1_high12, 1);
init_bit_tree(cat2_high12, 2);
init_bit_tree(cat3_high12, 3);
init_bit_tree(cat4_high12, 4);
init_bit_tree(cat5_high12, 5);
init_bit_tree(cat6_high12, 18);
#endif
}
const vp9_extra_bit vp9_extra_bits[ENTROPY_TOKENS] = {
......@@ -92,6 +133,37 @@ const vp9_extra_bit vp9_extra_bits[ENTROPY_TOKENS] = {
{0, 0, 0, 0} // EOB_TOKEN
};
#if CONFIG_VP9_HIGHBITDEPTH
const vp9_extra_bit vp9_extra_bits_high10[ENTROPY_TOKENS] = {
{0, 0, 0, 0}, // ZERO_TOKEN
{0, 0, 0, 1}, // ONE_TOKEN
{0, 0, 0, 2}, // TWO_TOKEN
{0, 0, 0, 3}, // THREE_TOKEN
{0, 0, 0, 4}, // FOUR_TOKEN
{cat1_high10, vp9_cat1_prob_high10, 1, CAT1_MIN_VAL}, // CATEGORY1_TOKEN
{cat2_high10, vp9_cat2_prob_high10, 2, CAT2_MIN_VAL}, // CATEGORY2_TOKEN
{cat3_high10, vp9_cat3_prob_high10, 3, CAT3_MIN_VAL}, // CATEGORY3_TOKEN
{cat4_high10, vp9_cat4_prob_high10, 4, CAT4_MIN_VAL}, // CATEGORY4_TOKEN
{cat5_high10, vp9_cat5_prob_high10, 5, CAT5_MIN_VAL}, // CATEGORY5_TOKEN
{cat6_high10, vp9_cat6_prob_high10, 16, CAT6_MIN_VAL}, // CATEGORY6_TOKEN
{0, 0, 0, 0} // EOB_TOKEN
};
const vp9_extra_bit vp9_extra_bits_high12[ENTROPY_TOKENS] = {
{0, 0, 0, 0}, // ZERO_TOKEN
{0, 0, 0, 1}, // ONE_TOKEN
{0, 0, 0, 2}, // TWO_TOKEN
{0, 0, 0, 3}, // THREE_TOKEN
{0, 0, 0, 4}, // FOUR_TOKEN
{cat1_high12, vp9_cat1_prob_high12, 1, CAT1_MIN_VAL}, // CATEGORY1_TOKEN
{cat2_high12, vp9_cat2_prob_high12, 2, CAT2_MIN_VAL}, // CATEGORY2_TOKEN
{cat3_high12, vp9_cat3_prob_high12, 3, CAT3_MIN_VAL}, // CATEGORY3_TOKEN
{cat4_high12, vp9_cat4_prob_high12, 4, CAT4_MIN_VAL}, // CATEGORY4_TOKEN
{cat5_high12, vp9_cat5_prob_high12, 5, CAT5_MIN_VAL}, // CATEGORY5_TOKEN
{cat6_high12, vp9_cat6_prob_high12, 18, CAT6_MIN_VAL}, // CATEGORY6_TOKEN
{0, 0, 0, 0} // EOB_TOKEN
};
#endif
struct vp9_token vp9_coef_encodings[ENTROPY_TOKENS];
void vp9_coef_tree_initialize() {
......@@ -99,11 +171,9 @@ void vp9_coef_tree_initialize() {
vp9_tokens_from_tree(vp9_coef_encodings, vp9_coef_tree);
}
void vp9_tokenize_initialize() {
TOKENVALUE *const t = dct_value_tokens + DCT_MAX_VALUE;
const vp9_extra_bit *const e = vp9_extra_bits;
int i = -DCT_MAX_VALUE;
static void tokenize_init_one(TOKENVALUE *t, const vp9_extra_bit *const e,
int16_t *value_cost, int max_value) {
int i = -max_value;
int sign = 1;
do {
......@@ -130,7 +200,7 @@ void vp9_tokenize_initialize() {
// initialize the cost for extra bits for all possible coefficient value.
{
int cost = 0;
const vp9_extra_bit *p = &vp9_extra_bits[t[i].token];
const vp9_extra_bit *p = &e[t[i].token];
if (p->base_val) {
const int extra = t[i].extra;
......@@ -140,13 +210,36 @@ void vp9_tokenize_initialize() {
cost += treed_cost(p->tree, p->prob, extra >> 1, length);
cost += vp9_cost_bit(vp9_prob_half, extra & 1); /* sign */
dct_value_cost[i + DCT_MAX_VALUE] = cost;
value_cost[i] = cost;
}
}
} while (++i < DCT_MAX_VALUE);
} while (++i < max_value);
}
void vp9_tokenize_initialize() {
vp9_dct_value_tokens_ptr = dct_value_tokens + DCT_MAX_VALUE;
vp9_dct_value_cost_ptr = dct_value_cost + DCT_MAX_VALUE;
tokenize_init_one(dct_value_tokens + DCT_MAX_VALUE, vp9_extra_bits,
dct_value_cost + DCT_MAX_VALUE, DCT_MAX_VALUE);
#if CONFIG_VP9_HIGHBITDEPTH
vp9_dct_value_tokens_high10_ptr = dct_value_tokens_high10 +
DCT_MAX_VALUE_HIGH10;
vp9_dct_value_cost_high10_ptr = dct_value_cost_high10 + DCT_MAX_VALUE_HIGH10;
tokenize_init_one(dct_value_tokens_high10 + DCT_MAX_VALUE_HIGH10,
vp9_extra_bits_high10,
dct_value_cost_high10 + DCT_MAX_VALUE_HIGH10,
DCT_MAX_VALUE_HIGH10);
vp9_dct_value_tokens_high12_ptr = dct_value_tokens_high12 +
DCT_MAX_VALUE_HIGH12;
vp9_dct_value_cost_high12_ptr = dct_value_cost_high12 + DCT_MAX_VALUE_HIGH12;
tokenize_init_one(dct_value_tokens_high12 + DCT_MAX_VALUE_HIGH12,
vp9_extra_bits_high12,
dct_value_cost_high12 + DCT_MAX_VALUE_HIGH12,
DCT_MAX_VALUE_HIGH12);
#endif
}
struct tokenize_b_args {
......@@ -225,6 +318,7 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
cpi->common.counts.eob_branch[tx_size][type][ref];
const uint8_t *const band = get_band_translate(tx_size);
const int seg_eob = get_tx_eob(&cpi->common.seg, segment_id, tx_size);
const TOKENVALUE *dct_value_tokens;
int aoff, loff;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &aoff, &loff);
......@@ -235,6 +329,18 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
scan = so->scan;
nb = so->neighbors;
c = 0;
#if CONFIG_VP9_HIGH && CONFIG_HIGH_QUANT
if (cpi->common.profile >= PROFILE_2) {
dct_value_tokens = (cpi->common.bit_depth == VPX_BITS_10 ?
vp9_dct_value_tokens_high10_ptr :
vp9_dct_value_tokens_high12_ptr);
} else {
dct_value_tokens = vp9_dct_value_tokens_ptr;
}
#else
dct_value_tokens = vp9_dct_value_tokens_ptr;
#endif
while (c < eob) {
int v = 0;
int skip_eob = 0;
......@@ -253,14 +359,13 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
}
add_token(&t, coef_probs[band[c]][pt],
vp9_dct_value_tokens_ptr[v].extra,
(uint8_t)vp9_dct_value_tokens_ptr[v].token,
dct_value_tokens[v].extra,
(uint8_t)dct_value_tokens[v].token,
(uint8_t)skip_eob,
counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
token_cache[scan[c]] =
vp9_pt_energy_class[vp9_dct_value_tokens_ptr[v].token];
token_cache[scan[c]] = vp9_pt_energy_class[dct_value_tokens[v].token];
++c;
pt = get_coef_context(nb, token_cache, c);
}
......
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