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Xiph.Org
aom-rav1e
Commits
2a91ab7e
Commit
2a91ab7e
authored
Nov 06, 2017
by
Yaowu Xu
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Avoid left shift of negative numbers
Change-Id: I21f956a83687ebaeab81577aabdbfed2ea2b4dd2
parent
f452fdfe
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av1/common/cfl.c
av1/common/cfl.c
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av1/common/cfl.c
View file @
2a91ab7e
...
...
@@ -245,7 +245,8 @@ static void cfl_subtract_averages(CFL_CTX *cfl, TX_SIZE tx_size) {
}
int
avg_q3
=
(
sum_q3
+
(
1
<<
(
num_pel_log2
-
1
)))
>>
num_pel_log2
;
// Loss is never more than 1/2 (in Q3)
assert
(
abs
((
avg_q3
<<
num_pel_log2
)
-
sum_q3
)
<=
1
<<
num_pel_log2
>>
1
);
assert
(
abs
((
avg_q3
*
(
1
<<
num_pel_log2
))
-
sum_q3
)
<=
1
<<
num_pel_log2
>>
1
);
tx_pred_buf_q3
=
pred_buf_q3
;
for
(
int
t_j
=
0
;
t_j
<
tx_height
;
t_j
++
)
{
...
...
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