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Merge various count_token() functions into a single one. 

Change-Id: I1970f43e2cb5f7d9744c7249099eed226f16f162
This commit is contained in:
Ronald S. Bultje 2012-11-17 10:18:41 -08:00
Родитель 166d24d07e
Коммит 56352f189d
1 изменённых файлов: 49 добавлений и 113 удалений
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158
vp9/decoder/detokenize.c
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@ -134,100 +134,27 @@ static int get_token(int v) {
else return DCT_VAL_CATEGORY6;
}
void static count_tokens_adaptive_scan(const MACROBLOCKD *xd, INT16 *qcoeff_ptr,
int block, PLANE_TYPE type,
TX_TYPE tx_type,
static void count_tokens(INT16 *qcoeff_ptr, PLANE_TYPE type,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
int eob, int seg_eob,
FRAME_CONTEXT *fc) {
const int *scan, const int *bands,
unsigned int (*coef_counts)[PREV_COEF_CONTEXTS]
[MAX_ENTROPY_TOKENS]) {
int c, pt, token, band;
const int *scan;
switch(tx_type) {
case ADST_DCT :
scan = vp9_row_scan;
break;
case DCT_ADST :
scan = vp9_col_scan;
break;
default :
scan = vp9_default_zig_zag1d;
break;
}
VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
for (c = !type; c < eob; ++c) {
int rc = scan[c];
int v = qcoeff_ptr[rc];
band = vp9_coef_bands[c];
band = bands[c];
token = get_token(v);
if (tx_type != DCT_DCT)
fc->hybrid_coef_counts[type][band][pt][token]++;
else
fc->coef_counts[type][band][pt][token]++;
coef_counts[band][pt][token]++;
pt = vp9_prev_token_class[token];
}
if (eob < seg_eob) {
band = vp9_coef_bands[c];
if (tx_type != DCT_DCT)
fc->hybrid_coef_counts[type][band][pt][DCT_EOB_TOKEN]++;
else
fc->coef_counts[type][band][pt][DCT_EOB_TOKEN]++;
}
}
void static count_tokens_8x8(INT16 *qcoeff_ptr, int block, PLANE_TYPE type,
TX_TYPE tx_type,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
int eob, int seg_eob, FRAME_CONTEXT *fc) {
int c, pt, token, band;
VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
for (c = !type; c < eob; ++c) {
int rc = (type == 1 ? vp9_default_zig_zag1d[c] : vp9_default_zig_zag1d_8x8[c]);
int v = qcoeff_ptr[rc];
band = (type == 1 ? vp9_coef_bands[c] : vp9_coef_bands_8x8[c]);
token = get_token(v);
if (tx_type != DCT_DCT)
fc->hybrid_coef_counts_8x8[type][band][pt][token]++;
else
fc->coef_counts_8x8[type][band][pt][token]++;
pt = vp9_prev_token_class[token];
}
if (eob < seg_eob) {
band = (type == 1 ? vp9_coef_bands[c] : vp9_coef_bands_8x8[c]);
if (tx_type != DCT_DCT)
fc->hybrid_coef_counts_8x8[type][band][pt][DCT_EOB_TOKEN]++;
else
fc->coef_counts_8x8[type][band][pt][DCT_EOB_TOKEN]++;
}
}
void static count_tokens_16x16(INT16 *qcoeff_ptr, int block, PLANE_TYPE type,
TX_TYPE tx_type,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
int eob, int seg_eob, FRAME_CONTEXT *fc) {
int c, pt, token;
VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
for (c = !type; c < eob; ++c) {
int rc = vp9_default_zig_zag1d_16x16[c];
int v = qcoeff_ptr[rc];
int band = vp9_coef_bands_16x16[c];
token = get_token(v);
if (tx_type != DCT_DCT)
fc->hybrid_coef_counts_16x16[type][band][pt][token]++;
else
fc->coef_counts_16x16[type][band][pt][token]++;
pt = vp9_prev_token_class[token];
}
if (eob < seg_eob) {
int band = vp9_coef_bands_16x16[c];
if (tx_type != DCT_DCT)
fc->hybrid_coef_counts_16x16[type][band][pt][DCT_EOB_TOKEN]++;
else
fc->coef_counts_16x16[type][band][pt][DCT_EOB_TOKEN]++;
band = bands[c];
coef_counts[band][pt][DCT_EOB_TOKEN]++;
}
}
@ -275,27 +202,41 @@ static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
TX_TYPE tx_type,
int seg_eob, INT16 *qcoeff_ptr, int i,
const int *const scan, int block_type,
const int *coef_bands_x,
const int *coef_bands) {
FRAME_CONTEXT *const fc = &dx->common.fc;
int tmp, c = (type == PLANE_TYPE_Y_NO_DC);
const vp9_prob *prob, *coef_probs;
unsigned int (*coef_counts)[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
switch (block_type) {
default:
case TX_4X4:
coef_probs =
tx_type != DCT_DCT ? fc->hybrid_coef_probs[type][0][0] :
fc->coef_probs[type][0][0];
if (tx_type == DCT_DCT) {
coef_probs = fc->coef_probs[type][0][0];
coef_counts = fc->coef_counts[type];
} else {
coef_probs = fc->hybrid_coef_probs[type][0][0];
coef_counts = fc->hybrid_coef_counts[type];
}
break;
case TX_8X8:
coef_probs =
tx_type != DCT_DCT ? fc->hybrid_coef_probs_8x8[type][0][0] :
fc->coef_probs_8x8[type][0][0];
if (tx_type == DCT_DCT) {
coef_probs = fc->coef_probs_8x8[type][0][0];
coef_counts = fc->coef_counts_8x8[type];
} else {
coef_probs = fc->hybrid_coef_probs_8x8[type][0][0];
coef_counts = fc->hybrid_coef_counts_8x8[type];
}
break;
case TX_16X16:
coef_probs =
tx_type != DCT_DCT ? fc->hybrid_coef_probs_16x16[type][0][0] :
fc->coef_probs_16x16[type][0][0];
if (tx_type == DCT_DCT) {
coef_probs = fc->coef_probs_16x16[type][0][0];
coef_counts = fc->coef_counts_16x16[type];
} else {
coef_probs = fc->hybrid_coef_probs_16x16[type][0][0];
coef_counts = fc->hybrid_coef_counts_16x16[type];
}
break;
}
@ -306,14 +247,14 @@ static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
int val;
const uint8_t *cat6 = cat6_prob;
if (c >= seg_eob) break;
prob += coef_bands[c];
prob += coef_bands_x[c];
if (!vp9_read(br, prob[EOB_CONTEXT_NODE]))
break;
SKIP_START:
if (c >= seg_eob) break;
if (!vp9_read(br, prob[ZERO_CONTEXT_NODE])) {
++c;
prob = coef_probs + coef_bands[c];
prob = coef_probs + coef_bands_x[c];
goto SKIP_START;
}
// ONE_CONTEXT_NODE_0_
@ -379,19 +320,9 @@ SKIP_START:
WRITE_COEF_CONTINUE(val);
}
if (block_type == TX_4X4) {
count_tokens_adaptive_scan(xd, qcoeff_ptr, i, type,
tx_type,
a, l, c, seg_eob, fc);
}
else if (block_type == TX_8X8)
count_tokens_8x8(qcoeff_ptr, i, type,
tx_type,
a, l, c, seg_eob, fc);
else
count_tokens_16x16(qcoeff_ptr, i, type,
tx_type,
a, l, c, seg_eob, fc);
count_tokens(qcoeff_ptr, type, a, l, c, seg_eob, scan,
coef_bands, coef_counts);
return c;
}
@ -428,7 +359,8 @@ int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, A, L, type,
tx_type,
seg_eob, qcoeff_ptr,
0, scan, TX_16X16, coef_bands_x_16x16);
0, scan, TX_16X16, coef_bands_x_16x16,
vp9_coef_bands_16x16);
eobs[0] = c;
A[0] = L[0] = (c != !type);
A[1] = A[2] = A[3] = A[0];
@ -449,7 +381,8 @@ int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type,
seg_eob, qcoeff_ptr,
i, scan, TX_8X8, coef_bands_x_8x8);
i, scan, TX_8X8, coef_bands_x_8x8,
vp9_coef_bands_8x8);
a[0] = l[0] = ((eobs[i] = c) != !type);
a[1] = a[0];
l[1] = l[0];
@ -489,7 +422,8 @@ int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type,
seg_eob, qcoeff_ptr + 24 * 16,
24, scan, TX_8X8, coef_bands_x);
24, scan, TX_8X8, coef_bands_x,
vp9_coef_bands);
a[0] = l[0] = ((eobs[24] = c) != !type);
eobtotal += c - 4;
@ -515,7 +449,8 @@ int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type,
seg_eob, qcoeff_ptr,
i, scan, TX_8X8, coef_bands_x_8x8);
i, scan, TX_8X8, coef_bands_x_8x8,
vp9_coef_bands_8x8);
a[0] = l[0] = ((eobs[i] = c) != !type);
a[1] = a[0];
l[1] = l[0];
@ -538,7 +473,8 @@ int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
c = decode_coefs(pbi, xd, bc, a, l, type,
tx_type,
seg_eob, qcoeff_ptr,
i, scan, TX_4X4, coef_bands_x);
i, scan, TX_4X4, coef_bands_x,
vp9_coef_bands);
a[0] = l[0] = ((eobs[i] = c) != !type);
eobtotal += c;
@ -581,7 +517,7 @@ static int decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
c = decode_coefs(dx, xd, bc, a, l, type,
tx_type,
seg_eob, qcoeff_ptr + i * 16,
i, scan, TX_4X4, coef_bands_x);
i, scan, TX_4X4, coef_bands_x, vp9_coef_bands);
a[0] = l[0] = ((eobs[i] = c) != !type);
return c;
}