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Remove coef_bands_x[] array and related machinery in decode_coefs().

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Change-Id: I0a36d1efb3bb81a54005b10316550ec67100559e
This commit is contained in:
Ronald S. Bultje
2012-11-17 11:07:23 -08:00
parent 511ef2072c
commit a253b3791b
1 changed files with 16 additions and 73 deletions
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89
vp9/decoder/detokenize.c
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@@ -18,46 +18,6 @@
#include "vp9/common/seg_common.h" #include "vp9/common/seg_common.h"
#define BOOL_DATA UINT8
#define OCB_X PREV_COEF_CONTEXTS * ENTROPY_NODES
DECLARE_ALIGNED(16, static const int, coef_bands_x[16]) = {
0 * OCB_X, 1 * OCB_X, 2 * OCB_X, 3 * OCB_X,
6 * OCB_X, 4 * OCB_X, 5 * OCB_X, 6 * OCB_X,
6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
6 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X
};
DECLARE_ALIGNED(16, static const int, coef_bands_x_8x8[64]) = {
0 * OCB_X, 1 * OCB_X, 2 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 4 * OCB_X, 5 * OCB_X,
5 * OCB_X, 3 * OCB_X, 6 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 6 * OCB_X, 6 * OCB_X,
6 * OCB_X, 5 * OCB_X, 5 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
};
DECLARE_ALIGNED(16, static const int, coef_bands_x_16x16[256]) = {
0 * OCB_X, 1 * OCB_X, 2 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 4 * OCB_X, 5 * OCB_X, 5 * OCB_X, 3 * OCB_X, 6 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 6 * OCB_X, 6 * OCB_X,
6 * OCB_X, 5 * OCB_X, 5 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X
};
#define EOB_CONTEXT_NODE 0 #define EOB_CONTEXT_NODE 0
#define ZERO_CONTEXT_NODE 1 #define ZERO_CONTEXT_NODE 1
#define ONE_CONTEXT_NODE 2 #define ONE_CONTEXT_NODE 2
@@ -115,10 +75,6 @@ void vp9_reset_mb_tokens_context(MACROBLOCKD* const xd) {
DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]); DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]);
// #define PREV_CONTEXT_INC(val) (2+((val)>2))
// #define PREV_CONTEXT_INC(val) (vp9_prev_token_class[(val)])
#define PREV_CONTEXT_INC(val) (vp9_prev_token_class[(val)>10?10:(val)])
static int get_signed(BOOL_DECODER *br, int value_to_sign) { static int get_signed(BOOL_DECODER *br, int value_to_sign) {
const int split = (br->range + 1) >> 1; const int split = (br->range + 1) >> 1;
const VP9_BD_VALUE bigsplit = (VP9_BD_VALUE)split << (VP9_BD_VALUE_SIZE - 8); const VP9_BD_VALUE bigsplit = (VP9_BD_VALUE)split << (VP9_BD_VALUE_SIZE - 8);
@@ -150,7 +106,6 @@ static int get_signed(BOOL_DECODER *br, int value_to_sign) {
#define WRITE_COEF_CONTINUE(val, token) \ #define WRITE_COEF_CONTINUE(val, token) \
{ \ { \
prob = coef_probs + (ENTROPY_NODES*PREV_CONTEXT_INC(val));\
qcoeff_ptr[scan[c]] = (INT16) get_signed(br, val); \ qcoeff_ptr[scan[c]] = (INT16) get_signed(br, val); \
INCREMENT_COUNT(token); \ INCREMENT_COUNT(token); \
c++; \ c++; \
@@ -170,52 +125,49 @@ static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
TX_TYPE tx_type, TX_TYPE tx_type,
int seg_eob, INT16 *qcoeff_ptr, int i, int seg_eob, INT16 *qcoeff_ptr, int i,
const int *const scan, int block_type, const int *const scan, int block_type,
const int *coef_bands_x,
const int *coef_bands) { const int *coef_bands) {
FRAME_CONTEXT *const fc = &dx->common.fc; FRAME_CONTEXT *const fc = &dx->common.fc;
int pt, c = (type == PLANE_TYPE_Y_NO_DC); int pt, c = (type == PLANE_TYPE_Y_NO_DC);
const vp9_prob *prob, *coef_probs; vp9_prob (*coef_probs)[PREV_COEF_CONTEXTS][ENTROPY_NODES], *prob;
unsigned int (*coef_counts)[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS]; unsigned int (*coef_counts)[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
switch (block_type) { switch (block_type) {
default: default:
case TX_4X4: case TX_4X4:
if (tx_type == DCT_DCT) { if (tx_type == DCT_DCT) {
coef_probs = fc->coef_probs[type][0][0]; coef_probs = fc->coef_probs[type];
coef_counts = fc->coef_counts[type]; coef_counts = fc->coef_counts[type];
} else { } else {
coef_probs = fc->hybrid_coef_probs[type][0][0]; coef_probs = fc->hybrid_coef_probs[type];
coef_counts = fc->hybrid_coef_counts[type]; coef_counts = fc->hybrid_coef_counts[type];
} }
break; break;
case TX_8X8: case TX_8X8:
if (tx_type == DCT_DCT) { if (tx_type == DCT_DCT) {
coef_probs = fc->coef_probs_8x8[type][0][0]; coef_probs = fc->coef_probs_8x8[type];
coef_counts = fc->coef_counts_8x8[type]; coef_counts = fc->coef_counts_8x8[type];
} else { } else {
coef_probs = fc->hybrid_coef_probs_8x8[type][0][0]; coef_probs = fc->hybrid_coef_probs_8x8[type];
coef_counts = fc->hybrid_coef_counts_8x8[type]; coef_counts = fc->hybrid_coef_counts_8x8[type];
} }
break; break;
case TX_16X16: case TX_16X16:
if (tx_type == DCT_DCT) { if (tx_type == DCT_DCT) {
coef_probs = fc->coef_probs_16x16[type][0][0]; coef_probs = fc->coef_probs_16x16[type];
coef_counts = fc->coef_counts_16x16[type]; coef_counts = fc->coef_counts_16x16[type];
} else { } else {
coef_probs = fc->hybrid_coef_probs_16x16[type][0][0]; coef_probs = fc->hybrid_coef_probs_16x16[type];
coef_counts = fc->hybrid_coef_counts_16x16[type]; coef_counts = fc->hybrid_coef_counts_16x16[type];
} }
break; break;
} }
VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l); VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
prob = coef_probs + pt * ENTROPY_NODES;
while (1) { while (1) {
int val; int val;
const uint8_t *cat6 = cat6_prob; const uint8_t *cat6 = cat6_prob;
if (c >= seg_eob) break; if (c >= seg_eob) break;
prob += coef_bands_x[c]; prob = coef_probs[coef_bands[c]][pt];
if (!vp9_read(br, prob[EOB_CONTEXT_NODE])) if (!vp9_read(br, prob[EOB_CONTEXT_NODE]))
break; break;
SKIP_START: SKIP_START:
@@ -223,16 +175,12 @@ SKIP_START:
if (!vp9_read(br, prob[ZERO_CONTEXT_NODE])) { if (!vp9_read(br, prob[ZERO_CONTEXT_NODE])) {
INCREMENT_COUNT(ZERO_TOKEN); INCREMENT_COUNT(ZERO_TOKEN);
++c; ++c;
prob = coef_probs + coef_bands_x[c]; prob = coef_probs[coef_bands[c]][pt];
goto SKIP_START; goto SKIP_START;
} }
// ONE_CONTEXT_NODE_0_ // ONE_CONTEXT_NODE_0_
if (!vp9_read(br, prob[ONE_CONTEXT_NODE])) { if (!vp9_read(br, prob[ONE_CONTEXT_NODE])) {
prob = coef_probs + ENTROPY_NODES; WRITE_COEF_CONTINUE(1, ONE_TOKEN);
qcoeff_ptr[scan[c]] = (INT16) get_signed(br, 1);
INCREMENT_COUNT(ONE_TOKEN);
++c;
continue;
} }
// LOW_VAL_CONTEXT_NODE_0_ // LOW_VAL_CONTEXT_NODE_0_
if (!vp9_read(br, prob[LOW_VAL_CONTEXT_NODE])) { if (!vp9_read(br, prob[LOW_VAL_CONTEXT_NODE])) {
@@ -329,8 +277,7 @@ int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, A, L, type, c = decode_coefs(pbi, xd, bc, A, L, type,
tx_type, tx_type,
seg_eob, qcoeff_ptr, seg_eob, qcoeff_ptr,
0, scan, TX_16X16, coef_bands_x_16x16, 0, scan, TX_16X16, vp9_coef_bands_16x16);
vp9_coef_bands_16x16);
eobs[0] = c; eobs[0] = c;
A[0] = L[0] = (c != !type); A[0] = L[0] = (c != !type);
A[1] = A[2] = A[3] = A[0]; A[1] = A[2] = A[3] = A[0];
@@ -351,8 +298,7 @@ int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type, c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type, tx_type,
seg_eob, qcoeff_ptr, seg_eob, qcoeff_ptr,
i, scan, TX_8X8, coef_bands_x_8x8, i, scan, TX_8X8, vp9_coef_bands_8x8);
vp9_coef_bands_8x8);
a[0] = l[0] = ((eobs[i] = c) != !type); a[0] = l[0] = ((eobs[i] = c) != !type);
a[1] = a[0]; a[1] = a[0];
l[1] = l[0]; l[1] = l[0];
@@ -392,8 +338,7 @@ int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type, c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type, tx_type,
seg_eob, qcoeff_ptr + 24 * 16, seg_eob, qcoeff_ptr + 24 * 16,
24, scan, TX_8X8, coef_bands_x, 24, scan, TX_8X8, vp9_coef_bands);
vp9_coef_bands);
a[0] = l[0] = ((eobs[24] = c) != !type); a[0] = l[0] = ((eobs[24] = c) != !type);
eobtotal += c - 4; eobtotal += c - 4;
@@ -419,8 +364,7 @@ int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type, c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type, tx_type,
seg_eob, qcoeff_ptr, seg_eob, qcoeff_ptr,
i, scan, TX_8X8, coef_bands_x_8x8, i, scan, TX_8X8, vp9_coef_bands_8x8);
vp9_coef_bands_8x8);
a[0] = l[0] = ((eobs[i] = c) != !type); a[0] = l[0] = ((eobs[i] = c) != !type);
a[1] = a[0]; a[1] = a[0];
l[1] = l[0]; l[1] = l[0];
@@ -443,8 +387,7 @@ int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type, c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type, tx_type,
seg_eob, qcoeff_ptr, seg_eob, qcoeff_ptr,
i, scan, TX_4X4, coef_bands_x, i, scan, TX_4X4, vp9_coef_bands);
vp9_coef_bands);
a[0] = l[0] = ((eobs[i] = c) != !type); a[0] = l[0] = ((eobs[i] = c) != !type);
eobtotal += c; eobtotal += c;
@@ -487,7 +430,7 @@ static int decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
c = decode_coefs(dx, xd, bc, a, l, type, c = decode_coefs(dx, xd, bc, a, l, type,
tx_type, tx_type,
seg_eob, qcoeff_ptr + i * 16, seg_eob, qcoeff_ptr + i * 16,
i, scan, TX_4X4, coef_bands_x, vp9_coef_bands); i, scan, TX_4X4, vp9_coef_bands);
a[0] = l[0] = ((eobs[i] = c) != !type); a[0] = l[0] = ((eobs[i] = c) != !type);
return c; return c;
} }