ref: ddb23095686f10243af9751760b3d9889dc947ea
parent: d2cacdc5306198ef6a35636f9039511e30d894f3
parent: de4d682ca4af4b7780c038cdd762c9de51917fe3
author: Deb Mukherjee <debargha@google.com>
date: Wed May 22 06:38:35 EDT 2013
Merge "Using 128 entry look up table for coef models" into experimental
--- a/vp9/common/vp9_entropy.c
+++ b/vp9/common/vp9_entropy.c
@@ -423,111 +423,166 @@
// beta = 8
const vp9_prob vp9_modelcoefprobs_pareto8[COEFPROB_MODELS][MODEL_NODES] = {- { 3, 86, 128, 6, 86, 23, 88, 29},- { 9, 86, 129, 17, 88, 61, 94, 76},- { 20, 88, 130, 38, 91, 118, 106, 136},- { 31, 90, 131, 58, 94, 156, 117, 171},- { 42, 91, 132, 75, 97, 183, 127, 194},- { 52, 93, 133, 90, 100, 201, 137, 208},- { 62, 94, 135, 105, 103, 214, 146, 218},- { 71, 96, 136, 117, 106, 224, 155, 225},- { 80, 98, 137, 129, 109, 231, 162, 231},- { 89, 99, 138, 140, 112, 236, 170, 235},- { 97, 101, 140, 149, 115, 240, 176, 238},- { 105, 103, 141, 158, 118, 243, 182, 240},- { 113, 104, 142, 166, 120, 245, 187, 242},- { 120, 106, 143, 173, 123, 247, 192, 244},- { 127, 108, 145, 180, 126, 249, 197, 245},- { 134, 110, 146, 186, 129, 250, 201, 246},- { 140, 112, 147, 192, 132, 251, 205, 247},- { 146, 114, 149, 197, 135, 252, 208, 248},- { 152, 115, 150, 201, 138, 252, 211, 248},- { 158, 117, 151, 206, 140, 253, 214, 249},- { 163, 119, 153, 210, 143, 253, 217, 249},- { 168, 121, 154, 213, 146, 254, 220, 250},- { 173, 123, 155, 217, 148, 254, 222, 250},- { 178, 125, 157, 220, 151, 254, 224, 251},- { 183, 127, 158, 222, 153, 254, 226, 251},- { 187, 129, 160, 225, 156, 255, 228, 251},- { 191, 132, 161, 227, 159, 255, 229, 251},- { 195, 134, 163, 230, 161, 255, 231, 252},- { 199, 136, 164, 232, 163, 255, 232, 252},- { 202, 138, 166, 233, 166, 255, 233, 252},- { 206, 140, 167, 235, 168, 255, 235, 252},- { 212, 145, 170, 238, 173, 255, 237, 252},- { 218, 149, 173, 241, 177, 255, 239, 253},- { 223, 154, 177, 243, 182, 255, 240, 253},- { 228, 159, 180, 245, 186, 255, 242, 253},- { 232, 164, 184, 247, 190, 255, 243, 253},- { 236, 169, 187, 248, 194, 255, 244, 253},- { 239, 174, 191, 249, 198, 255, 245, 254},- { 242, 179, 195, 250, 202, 255, 246, 254},- { 244, 185, 199, 251, 206, 255, 247, 254},- { 247, 191, 203, 252, 209, 255, 248, 254},- { 249, 197, 207, 253, 213, 255, 249, 254},- { 250, 203, 212, 253, 216, 255, 249, 254},- { 252, 209, 217, 254, 220, 255, 250, 254},- { 253, 216, 222, 254, 224, 255, 251, 254},- { 254, 224, 228, 255, 227, 255, 251, 254},- { 255, 232, 235, 255, 232, 255, 252, 254},- { 255, 246, 247, 255, 239, 255, 253, 255}+ { 3, 86, 128, 6, 86, 23, 88, 29},+ { 9, 86, 129, 17, 88, 61, 94, 76},+ { 15, 87, 129, 28, 89, 93, 100, 110},+ { 20, 88, 130, 38, 91, 118, 106, 136},+ { 26, 89, 131, 48, 92, 139, 111, 156},+ { 31, 90, 131, 58, 94, 156, 117, 171},+ { 37, 90, 132, 66, 95, 171, 122, 184},+ { 42, 91, 132, 75, 97, 183, 127, 194},+ { 47, 92, 133, 83, 98, 193, 132, 202},+ { 52, 93, 133, 90, 100, 201, 137, 208},+ { 57, 94, 134, 98, 101, 208, 142, 214},+ { 62, 94, 135, 105, 103, 214, 146, 218},+ { 66, 95, 135, 111, 104, 219, 151, 222},+ { 71, 96, 136, 117, 106, 224, 155, 225},+ { 76, 97, 136, 123, 107, 227, 159, 228},+ { 80, 98, 137, 129, 109, 231, 162, 231},+ { 84, 98, 138, 134, 110, 234, 166, 233},+ { 89, 99, 138, 140, 112, 236, 170, 235},+ { 93, 100, 139, 145, 113, 238, 173, 236},+ { 97, 101, 140, 149, 115, 240, 176, 238},+ {101, 102, 140, 154, 116, 242, 179, 239},+ {105, 103, 141, 158, 118, 243, 182, 240},+ {109, 104, 141, 162, 119, 244, 185, 241},+ {113, 104, 142, 166, 120, 245, 187, 242},+ {116, 105, 143, 170, 122, 246, 190, 243},+ {120, 106, 143, 173, 123, 247, 192, 244},+ {123, 107, 144, 177, 125, 248, 195, 244},+ {127, 108, 145, 180, 126, 249, 197, 245},+ {130, 109, 145, 183, 128, 249, 199, 245},+ {134, 110, 146, 186, 129, 250, 201, 246},+ {137, 111, 147, 189, 131, 251, 203, 246},+ {140, 112, 147, 192, 132, 251, 205, 247},+ {143, 113, 148, 194, 133, 251, 207, 247},+ {146, 114, 149, 197, 135, 252, 208, 248},+ {149, 115, 149, 199, 136, 252, 210, 248},+ {152, 115, 150, 201, 138, 252, 211, 248},+ {155, 116, 151, 204, 139, 253, 213, 249},+ {158, 117, 151, 206, 140, 253, 214, 249},+ {161, 118, 152, 208, 142, 253, 216, 249},+ {163, 119, 153, 210, 143, 253, 217, 249},+ {166, 120, 153, 212, 144, 254, 218, 250},+ {168, 121, 154, 213, 146, 254, 220, 250},+ {171, 122, 155, 215, 147, 254, 221, 250},+ {173, 123, 155, 217, 148, 254, 222, 250},+ {176, 124, 156, 218, 150, 254, 223, 250},+ {178, 125, 157, 220, 151, 254, 224, 251},+ {180, 126, 157, 221, 152, 254, 225, 251},+ {183, 127, 158, 222, 153, 254, 226, 251},+ {185, 128, 159, 224, 155, 255, 227, 251},+ {187, 129, 160, 225, 156, 255, 228, 251},+ {189, 131, 160, 226, 157, 255, 228, 251},+ {191, 132, 161, 227, 159, 255, 229, 251},+ {193, 133, 162, 228, 160, 255, 230, 252},+ {195, 134, 163, 230, 161, 255, 231, 252},+ {197, 135, 163, 231, 162, 255, 231, 252},+ {199, 136, 164, 232, 163, 255, 232, 252},+ {201, 137, 165, 233, 165, 255, 233, 252},+ {202, 138, 166, 233, 166, 255, 233, 252},+ {204, 139, 166, 234, 167, 255, 234, 252},+ {206, 140, 167, 235, 168, 255, 235, 252},+ {207, 141, 168, 236, 169, 255, 235, 252},+ {209, 142, 169, 237, 171, 255, 236, 252},+ {210, 144, 169, 237, 172, 255, 236, 252},+ {212, 145, 170, 238, 173, 255, 237, 252},+ {214, 146, 171, 239, 174, 255, 237, 253},+ {215, 147, 172, 240, 175, 255, 238, 253},+ {216, 148, 173, 240, 176, 255, 238, 253},+ {218, 149, 173, 241, 177, 255, 239, 253},+ {219, 150, 174, 241, 179, 255, 239, 253},+ {220, 152, 175, 242, 180, 255, 240, 253},+ {222, 153, 176, 242, 181, 255, 240, 253},+ {223, 154, 177, 243, 182, 255, 240, 253},+ {224, 155, 178, 244, 183, 255, 241, 253},+ {225, 156, 178, 244, 184, 255, 241, 253},+ {226, 158, 179, 244, 185, 255, 242, 253},+ {228, 159, 180, 245, 186, 255, 242, 253},+ {229, 160, 181, 245, 187, 255, 242, 253},+ {230, 161, 182, 246, 188, 255, 243, 253},+ {231, 163, 183, 246, 189, 255, 243, 253},+ {232, 164, 184, 247, 190, 255, 243, 253},+ {233, 165, 185, 247, 191, 255, 244, 253},+ {234, 166, 185, 247, 192, 255, 244, 253},+ {235, 168, 186, 248, 193, 255, 244, 253},+ {236, 169, 187, 248, 194, 255, 244, 253},+ {236, 170, 188, 248, 195, 255, 245, 253},+ {237, 171, 189, 249, 196, 255, 245, 254},+ {238, 173, 190, 249, 197, 255, 245, 254},+ {239, 174, 191, 249, 198, 255, 245, 254},+ {240, 175, 192, 249, 199, 255, 246, 254},+ {240, 177, 193, 250, 200, 255, 246, 254},+ {241, 178, 194, 250, 201, 255, 246, 254},+ {242, 179, 195, 250, 202, 255, 246, 254},+ {242, 181, 196, 250, 203, 255, 247, 254},+ {243, 182, 197, 251, 204, 255, 247, 254},+ {244, 184, 198, 251, 205, 255, 247, 254},+ {244, 185, 199, 251, 206, 255, 247, 254},+ {245, 186, 200, 251, 207, 255, 247, 254},+ {246, 188, 201, 252, 207, 255, 248, 254},+ {246, 189, 202, 252, 208, 255, 248, 254},+ {247, 191, 203, 252, 209, 255, 248, 254},+ {247, 192, 204, 252, 210, 255, 248, 254},+ {248, 194, 205, 252, 211, 255, 248, 254},+ {248, 195, 206, 252, 212, 255, 249, 254},+ {249, 197, 207, 253, 213, 255, 249, 254},+ {249, 198, 208, 253, 214, 255, 249, 254},+ {250, 200, 210, 253, 215, 255, 249, 254},+ {250, 201, 211, 253, 215, 255, 249, 254},+ {250, 203, 212, 253, 216, 255, 249, 254},+ {251, 204, 213, 253, 217, 255, 250, 254},+ {251, 206, 214, 254, 218, 255, 250, 254},+ {252, 207, 216, 254, 219, 255, 250, 254},+ {252, 209, 217, 254, 220, 255, 250, 254},+ {252, 211, 218, 254, 221, 255, 250, 254},+ {253, 213, 219, 254, 222, 255, 250, 254},+ {253, 214, 221, 254, 223, 255, 250, 254},+ {253, 216, 222, 254, 224, 255, 251, 254},+ {253, 218, 224, 254, 225, 255, 251, 254},+ {254, 220, 225, 254, 225, 255, 251, 254},+ {254, 222, 227, 255, 226, 255, 251, 254},+ {254, 224, 228, 255, 227, 255, 251, 254},+ {254, 226, 230, 255, 228, 255, 251, 254},+ {255, 228, 231, 255, 230, 255, 251, 254},+ {255, 230, 233, 255, 231, 255, 252, 254},+ {255, 232, 235, 255, 232, 255, 252, 254},+ {255, 235, 237, 255, 233, 255, 252, 254},+ {255, 238, 240, 255, 235, 255, 252, 255},+ {255, 241, 243, 255, 236, 255, 252, 254},+ {255, 246, 247, 255, 239, 255, 253, 255}};
-void vp9_get_model_distribution(vp9_prob p, vp9_prob *tree_probs,
- int b, int r) {+static void extend_model_to_full_distribution(vp9_prob p,
+ vp9_prob *tree_probs) {+ const int l = ((p - 1) / 2);
const vp9_prob (*model)[MODEL_NODES];
model = vp9_modelcoefprobs_pareto8;
- if (p == 1) {+ if (p & 1) {vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
- model[2], MODEL_NODES * sizeof(vp9_prob));
- } else if (p == 2) {+ model[l], MODEL_NODES * sizeof(vp9_prob));
+ } else {// interpolate
int i;
for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
- tree_probs[i] = (model[0][i - UNCONSTRAINED_NODES] +
- model[1][i - UNCONSTRAINED_NODES]) >> 1;
- } else if (p < 119) {- // interpolate
- int i, k, l;
- k = (p - 3) & 3;
- l = ((p - 3) >> 2) + 1;
- if (k) {- for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
- tree_probs[i] = (model[l][i - UNCONSTRAINED_NODES] * (4 - k) +
- model[l + 1][i - UNCONSTRAINED_NODES] * k + 1) >> 2;
- } else {- vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
- model[l], MODEL_NODES * sizeof(vp9_prob));
- }
- } else {- // interpolate
- int i, k, l;
- k = (p - 119) & 7;
- l = ((p - 119) >> 3) + 30;
- if (k) {- for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
- tree_probs[i] = (model[l][i - UNCONSTRAINED_NODES] * (8 - k) +
- model[l + 1][i - UNCONSTRAINED_NODES] * k + 3) >> 3;
- } else {- vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
- model[l], MODEL_NODES * sizeof(vp9_prob));
- }
+ tree_probs[i] = (model[l][i - UNCONSTRAINED_NODES] +
+ model[l + 1][i - UNCONSTRAINED_NODES]) >> 1;
}
}
-void vp9_model_to_full_probs(const vp9_prob *model, int b, int r, vp9_prob *full) {- vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
- vp9_get_model_distribution(model[PIVOT_NODE], full, b, r);
+void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full) {+ if (full != model)
+ vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
+ extend_model_to_full_distribution(model[PIVOT_NODE], full);
}
void vp9_model_to_full_probs_sb(
vp9_prob model[COEF_BANDS][PREV_COEF_CONTEXTS][UNCONSTRAINED_NODES],
- int b, int r,
vp9_prob full[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]) {int c, p;
for (c = 0; c < COEF_BANDS; ++c)
for (p = 0; p < PREV_COEF_CONTEXTS; ++p) {- vp9_model_to_full_probs(model[c][p], b, r, full[c][p]);
+ vp9_model_to_full_probs(model[c][p], full[c][p]);
}
}
--- a/vp9/common/vp9_entropy.h
+++ b/vp9/common/vp9_entropy.h
@@ -155,13 +155,11 @@
const int *vp9_get_coef_neighbors_handle(const int *scan, int *pad);
-// 48 lists of probabilities are stored for the following ONE node probs:
-// 1, (count 1)
-// 3, 7, 11, 15, ..., 115, 119, (count 30)
-// 127, 135, 143, ..., 247, 255 (count 17)
+// 128 lists of probabilities are stored for the following ONE node probs:
+// 1, 3, 5, 7, ..., 253, 255
// In between probabilities are interpolated linearly
-#define COEFPROB_MODELS 48
+#define COEFPROB_MODELS 128
#define UNCONSTRAINED_NODES 3
#define MODEL_NODES (ENTROPY_NODES - UNCONSTRAINED_NODES)
@@ -180,16 +178,13 @@
extern void vp9_full_to_model_counts(
vp9_coeff_count_model *model_count, vp9_coeff_count *full_count);
-void vp9_model_to_full_probs(const vp9_prob *model, int b, int r, vp9_prob *full);
+void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full);
void vp9_model_to_full_probs_sb(
vp9_prob model[COEF_BANDS][PREV_COEF_CONTEXTS][UNCONSTRAINED_NODES],
- int b, int r,
vp9_prob full[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]);
extern const vp9_prob vp9_modelcoefprobs[COEFPROB_MODELS][ENTROPY_NODES - 1];
-void vp9_get_model_distribution(vp9_prob model, vp9_prob *tree_probs,
- int b, int r);
static INLINE const int* get_scan_4x4(TX_TYPE tx_type) { switch (tx_type) {--- a/vp9/decoder/vp9_detokenize.c
+++ b/vp9/decoder/vp9_detokenize.c
@@ -206,7 +206,7 @@
}
// Load full probabilities if not already loaded
if (!load_map[band][pt]) {- vp9_model_to_full_probs(coef_probs[band][pt], type, ref,
+ vp9_model_to_full_probs(coef_probs[band][pt],
coef_probs_full[band][pt]);
load_map[band][pt] = 1;
}
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -420,7 +420,8 @@
int i, old_b, new_b, update_b, savings, bestsavings, step;
int newp;
vp9_prob bestnewp, newplist[ENTROPY_NODES], oldplist[ENTROPY_NODES];
- vp9_model_to_full_probs(oldp, b, r, oldplist);
+ vp9_model_to_full_probs(oldp, oldplist);
+ vpx_memcpy(newplist, oldp, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
for (i = UNCONSTRAINED_NODES, old_b = 0; i < ENTROPY_NODES; ++i)
old_b += cost_branch256(ct + 2 * i, oldplist[i]);
old_b += cost_branch256(ct + 2 * PIVOT_NODE, oldplist[PIVOT_NODE]);
@@ -433,7 +434,7 @@
for (; newp != oldp[PIVOT_NODE]; newp += step) {if (newp < 1 || newp > 255) continue;
newplist[PIVOT_NODE] = newp;
- vp9_get_model_distribution(newp, newplist, b, r);
+ vp9_model_to_full_probs(newplist, newplist);
for (i = UNCONSTRAINED_NODES, new_b = 0; i < ENTROPY_NODES; ++i)
new_b += cost_branch256(ct + 2 * i, newplist[i]);
new_b += cost_branch256(ct + 2 * PIVOT_NODE, newplist[PIVOT_NODE]);
@@ -485,8 +486,7 @@
break;
}
if (t >= TWO_TOKEN) {- vp9_model_to_full_probs(p->context_tree,
- p->block_type, p->ref_type, probs);
+ vp9_model_to_full_probs(p->context_tree, probs);
pp = probs;
} else {pp = p->context_tree;
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -115,7 +115,7 @@
for (k = 0; k < COEF_BANDS; k++)
for (l = 0; l < PREV_COEF_CONTEXTS; l++) {vp9_prob probs[ENTROPY_NODES];
- vp9_model_to_full_probs(p[i][j][k][l], i, j, probs);
+ vp9_model_to_full_probs(p[i][j][k][l], probs);
vp9_cost_tokens_skip((int *)c[i][j][k][l], probs,
vp9_coef_tree);
}
@@ -292,7 +292,7 @@
above_ec = A[0] != 0;
left_ec = L[0] != 0;
vp9_model_to_full_probs_sb(cm->fc.coef_probs_4x4[type][ref],
- type, ref, coef_probs);
+ coef_probs);
seg_eob = 16;
scan = get_scan_4x4(tx_type);
band_translate = vp9_coefband_trans_4x4;
@@ -308,7 +308,7 @@
left_ec = (L[0] + L[1]) != 0;
scan = get_scan_8x8(tx_type);
vp9_model_to_full_probs_sb(cm->fc.coef_probs_8x8[type][ref],
- type, ref, coef_probs);
+ coef_probs);
seg_eob = 64;
band_translate = vp9_coefband_trans_8x8plus;
break;
@@ -321,7 +321,7 @@
get_tx_type_16x16(xd, y + (x >> 2)) : DCT_DCT;
scan = get_scan_16x16(tx_type);
vp9_model_to_full_probs_sb(cm->fc.coef_probs_16x16[type][ref],
- type, ref, coef_probs);
+ coef_probs);
seg_eob = 256;
above_ec = (A[0] + A[1] + A[2] + A[3]) != 0;
left_ec = (L[0] + L[1] + L[2] + L[3]) != 0;
@@ -331,7 +331,7 @@
case TX_32X32:
scan = vp9_default_zig_zag1d_32x32;
vp9_model_to_full_probs_sb(cm->fc.coef_probs_32x32[type][ref],
- type, ref, coef_probs);
+ coef_probs);
seg_eob = 1024;
above_ec = (A[0] + A[1] + A[2] + A[3] + A[4] + A[5] + A[6] + A[7]) != 0;
left_ec = (L[0] + L[1] + L[2] + L[3] + L[4] + L[5] + L[6] + L[7]) != 0;
--- a/vp9/encoder/vp9_tokenize.c
+++ b/vp9/encoder/vp9_tokenize.c
@@ -224,8 +224,6 @@
t->token = token;
t->context_tree = coef_probs[type][ref][band][pt];
- t->block_type = type;
- t->ref_type = ref;
t->skip_eob_node = (c > 0) && (token_cache[scan[c - 1]] == 0);
assert(vp9_coef_encodings[t->token].len - t->skip_eob_node > 0);
--- a/vp9/encoder/vp9_tokenize.h
+++ b/vp9/encoder/vp9_tokenize.h
@@ -26,8 +26,6 @@
int16_t extra;
uint8_t token;
uint8_t skip_eob_node;
- uint8_t block_type;
- uint8_t ref_type;
} TOKENEXTRA;
typedef int64_t vp9_coeff_accum[REF_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
--
⑨