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Merge "Use standard rounding in combine_interintra." into nextgenv2

This commit is contained in:
Debargha Mukherjee 2016-06-02 19:29:16 +00:00 коммит произвёл Gerrit Code Review
Родитель 7534a15c3a 888e90e823
Коммит 17c4f1c7f5
1 изменённых файлов: 62 добавлений и 46 удалений
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108
vp10/common/reconinter.c
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@ -1831,9 +1831,8 @@ static void combine_interintra(INTERINTRA_MODE mode,
int interstride,
uint8_t *intrapred,
int intrastride) {
static const int scale_bits = 8;
static const int scale_max = 256;
static const int scale_round = 127;
const int scale_bits = 8;
const int scale_max = (1 << scale_bits);
const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize];
const int size_scale = ii_size_scales[plane_bsize];
@ -1860,9 +1859,10 @@ static void combine_interintra(INTERINTRA_MODE mode,
for (j = 0; j < bw; ++j) {
int scale = ii_weights1d[i * size_scale];
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -1872,9 +1872,10 @@ static void combine_interintra(INTERINTRA_MODE mode,
for (j = 0; j < bw; ++j) {
int scale = ii_weights1d[j * size_scale];
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -1886,9 +1887,10 @@ static void combine_interintra(INTERINTRA_MODE mode,
int scale = (ii_weights1d[i * size_scale] * 3 +
ii_weights1d[j * size_scale]) >> 2;
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -1900,9 +1902,10 @@ static void combine_interintra(INTERINTRA_MODE mode,
int scale = (ii_weights1d[j * size_scale] * 3 +
ii_weights1d[i * size_scale]) >> 2;
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -1912,9 +1915,10 @@ static void combine_interintra(INTERINTRA_MODE mode,
for (j = 0; j < bw; ++j) {
int scale = ii_weights1d[(i < j ? i : j) * size_scale];
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -1925,9 +1929,10 @@ static void combine_interintra(INTERINTRA_MODE mode,
int scale = (ii_weights1d[i * size_scale] +
ii_weights1d[j * size_scale]) >> 1;
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -1937,8 +1942,11 @@ static void combine_interintra(INTERINTRA_MODE mode,
default:
for (i = 0; i < bh; ++i) {
for (j = 0; j < bw; ++j) {
comppred[i * compstride + j] = (interpred[i * interstride + j] +
intrapred[i * intrastride + j]) >> 1;
comppred[i * compstride + j] =
ROUND_POWER_OF_TWO(
interpred[i * interstride + j] +
intrapred[i * intrastride + j],
1);
}
}
break;
@ -1958,9 +1966,8 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
int interstride,
uint8_t *intrapred8,
int intrastride, int bd) {
static const int scale_bits = 8;
static const int scale_max = 256;
static const int scale_round = 127;
const int scale_bits = 8;
const int scale_max = (1 << scale_bits);
const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize];
const int size_scale = ii_size_scales[plane_bsize];
@ -1991,9 +1998,10 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
for (j = 0; j < bw; ++j) {
int scale = ii_weights1d[i * size_scale];
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -2003,9 +2011,10 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
for (j = 0; j < bw; ++j) {
int scale = ii_weights1d[j * size_scale];
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -2017,9 +2026,10 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
int scale = (ii_weights1d[i * size_scale] * 3 +
ii_weights1d[j * size_scale]) >> 2;
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -2031,9 +2041,10 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
int scale = (ii_weights1d[j * size_scale] * 3 +
ii_weights1d[i * size_scale]) >> 2;
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -2043,9 +2054,10 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
for (j = 0; j < bw; ++j) {
int scale = ii_weights1d[(i < j ? i : j) * size_scale];
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -2056,9 +2068,10 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
int scale = (ii_weights1d[i * size_scale] +
ii_weights1d[j * size_scale]) >> 1;
comppred[i * compstride + j] =
((scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j] + scale_round)
>> scale_bits;
ROUND_POWER_OF_TWO(
(scale_max - scale) * interpred[i * interstride + j] +
scale * intrapred[i * intrastride + j],
scale_bits);
}
}
break;
@ -2068,8 +2081,11 @@ static void combine_interintra_highbd(INTERINTRA_MODE mode,
default:
for (i = 0; i < bh; ++i) {
for (j = 0; j < bw; ++j) {
comppred[i * compstride + j] = (interpred[i * interstride + j] +
intrapred[i * intrastride + j]) >> 1;
comppred[i * compstride + j] =
ROUND_POWER_OF_TWO(
interpred[i * interstride + j] +
intrapred[i * intrastride + j],
1);
}
}
break;