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avcodec/x86/h264_weight: handle weight1=128

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Fix ticket4596

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e1009665759d4a3938dd2dd07b7e84d8bc9c5290)
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Michael Niedermayer 2015-06-09 05:11:09 +02:00 committed by Carl Eugen Hoyos
parent 7d97587b1a
commit e1afd6ed60
1 changed files with 3 additions and 0 deletions
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libavcodec/x86/h264_weight.asm
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@ -135,8 +135,11 @@ WEIGHT_FUNC_HALF_MM 8, 8
add off_regd, 1
or off_regd, 1
add r4, 1
cmp r6d, 128
je .nonnormal
cmp r5, 128
jne .normal
.nonnormal
sar r5, 1
sar r6, 1
sar off_regd, 1