ref: 822b51609b740ab1d54d8f991dd88d866b52dc65
parent: d689e77c043ebd6fd6fb1671b3fbe2fa09c9faaa
author: Deb Mukherjee <debargha@google.com>
date: Fri Sep 19 06:13:47 EDT 2014
High bit-depth coefficient coding functions Tokenization and Detokenization enhancements for 10/12 bit Change-Id: I3c269ec30f8eb160ee024905638a193975237559
--- a/vp9/common/vp9_entropy.c
+++ b/vp9/common/vp9_entropy.c
@@ -23,6 +23,26 @@
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,
--- a/vp9/common/vp9_entropy.h
+++ b/vp9/common/vp9_entropy.h
@@ -58,6 +58,21 @@
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 @@
// 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. */
--- a/vp9/decoder/vp9_detokenize.c
+++ b/vp9/decoder/vp9_detokenize.c
@@ -74,7 +74,47 @@
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;
band = *band_translate++;
@@ -113,22 +153,39 @@
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;
}
}
--- a/vp9/encoder/vp9_tokenize.c
+++ b/vp9/encoder/vp9_tokenize.c
@@ -28,6 +28,18 @@
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 @@
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 @@
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 @@
{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 @@
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 @@
// 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 @@
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 @@
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 @@
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 @@
}
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);
}
--
⑨