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authorLoren Merritt <lorenm@u.washington.edu>2012-09-22 01:43:16 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-09-22 03:17:28 +0200
commit1b1b902e2ce19e0276bf847cc87384ec43d230e3 (patch)
tree2ab4d75f9201f5746a66e132929e52e05d985adf /libavfilter/x86
parentea5bd7ea6f3b817bdee6355a2b93d512d2ab6bf2 (diff)
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hqdn3d: Fix out of array read in LOWPASS
Fixes ticket1752 Commit message by commiter Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/x86')
-rw-r--r--libavfilter/x86/hqdn3d.asm2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/x86/hqdn3d.asm b/libavfilter/x86/hqdn3d.asm
index 88b9b0d..d36ce37 100644
--- a/libavfilter/x86/hqdn3d.asm
+++ b/libavfilter/x86/hqdn3d.asm
@@ -39,6 +39,7 @@ SECTION .text
%endif
%if %3 != 16
shl %1, 16-%3
+ add %1, (1<<(15-%3))-1
%endif
%endmacro
@@ -86,7 +87,6 @@ ALIGN 16
mov [frameantq+xq*2], t0w
movifnidn dstq, dstmp
%if %1 != 16
- add t0d, (1<<(15-%1))-1
shr t0d, 16-%1 ; could eliminate this by storing from t0h, but only with some contraints on register allocation
%endif
%if %1 == 8
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