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authorLoren Merritt <lorenm@u.washington.edu>2012-09-22 01:43:16 +0200
committerAnton Khirnov <anton@khirnov.net>2013-03-13 09:14:59 +0100
commit5b3c1aecb253828d09fa9825c5a4aed97badf086 (patch)
tree0393c942f9e6f4593bb69a3698a6969314fb9cc8 /libavfilter/x86
parent0fe4b48540613127f7eed13769e989662cb74eef (diff)
hqdn3d: Fix out of array read in LOWPASS
CC:libav-stable@libav.org Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavfilter/x86')
-rw-r--r--libavfilter/x86/vf_hqdn3d.asm2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/x86/vf_hqdn3d.asm b/libavfilter/x86/vf_hqdn3d.asm
index dee2c96131..02632a1f09 100644
--- a/libavfilter/x86/vf_hqdn3d.asm
+++ b/libavfilter/x86/vf_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