[FFmpeg-cvslog] dwt_yasm/vertical_compose: fix width witdth argument.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Nov 11 12:40:38 2012 +0100| [def8588fb588f75df336567918dc512ba04aae67] | committer: Michael Niedermayer

dwt_yasm/vertical_compose: fix width witdth argument.

Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=def8588fb588f75df336567918dc512ba04aae67
---

 libavcodec/x86/dwt_yasm.asm |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavcodec/x86/dwt_yasm.asm b/libavcodec/x86/dwt_yasm.asm
index 2dc43e0..f6280d1 100644
--- a/libavcodec/x86/dwt_yasm.asm
+++ b/libavcodec/x86/dwt_yasm.asm
@@ -65,7 +65,7 @@ section .text
 cglobal vertical_compose53iL0_%1, 4,4,1, b0, b1, b2, width
     mova    m2, [pw_2]
 .loop:
-    sub     widthd, mmsize/2
+    sub     widthq, mmsize/2
     mova    m1, [b0q+2*widthq]
     mova    m0, [b1q+2*widthq]
     COMPOSE_53iL0 m0, m1, [b2q+2*widthq], m2
@@ -78,7 +78,7 @@ cglobal vertical_compose53iL0_%1, 4,4,1, b0, b1, b2, width
 cglobal vertical_compose_dirac53iH0_%1, 4,4,1, b0, b1, b2, width
     mova    m1, [pw_1]
 .loop:
-    sub     widthd, mmsize/2
+    sub     widthq, mmsize/2
     mova    m0, [b0q+2*widthq]
     paddw   m0, [b2q+2*widthq]
     paddw   m0, m1
@@ -94,7 +94,7 @@ cglobal vertical_compose_dd97iH0_%1, 6,6,5, b0, b1, b2, b3, b4, width
     mova    m3, [pw_8]
     mova    m4, [pw_1991]
 .loop:
-    sub     widthd, mmsize/2
+    sub     widthq, mmsize/2
     mova    m0, [b0q+2*widthq]
     mova    m1, [b1q+2*widthq]
     COMPOSE_DD97iH0 [b2q+2*widthq], [b3q+2*widthq], [b4q+2*widthq]
@@ -108,7 +108,7 @@ cglobal vertical_compose_dd137iL0_%1, 6,6,6, b0, b1, b2, b3, b4, width
     mova    m3, [pw_16]
     mova    m4, [pw_1991]
 .loop:
-    sub     widthd, mmsize/2
+    sub     widthq, mmsize/2
     mova    m0, [b0q+2*widthq]
     mova    m1, [b1q+2*widthq]
     mova    m5, [b2q+2*widthq]
@@ -132,7 +132,7 @@ cglobal vertical_compose_dd137iL0_%1, 6,6,6, b0, b1, b2, b3, b4, width
 cglobal vertical_compose_haar_%1, 3,4,3, b0, b1, width
     mova    m3, [pw_1]
 .loop:
-    sub     widthd, mmsize/2
+    sub     widthq, mmsize/2
     mova    m1, [b1q+2*widthq]
     mova    m0, [b0q+2*widthq]
     mova    m2, m1