This is an automated email from the git hooks/post-receive script.
Git pushed a commit to branch master
in repository ffmpeg.
The following commit(s) were added to refs/heads/master by this push:
new 9f0441a774 swscale/x86/input: don't overread input in RGB24_TO_UV_FN
9f0441a774 is described below
commit 9f0441a77441302e014e3f68cbc7c7b791d163e1
Author: James Almer <[email protected]>
AuthorDate: Sun Mar 1 10:28:41 2026 -0300
Commit: James Almer <[email protected]>
CommitDate: Fri Mar 6 23:13:45 2026 -0300
swscale/x86/input: don't overread input in RGB24_TO_UV_FN
Fixes a 4 byte overread after 846823b174703 removed padding
Signed-off-by: James Almer <[email protected]>
---
libswscale/x86/input.asm | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/libswscale/x86/input.asm b/libswscale/x86/input.asm
index efdeb9aeb6..ce31436e49 100644
--- a/libswscale/x86/input.asm
+++ b/libswscale/x86/input.asm
@@ -182,11 +182,12 @@ cglobal %2 %+ 24ToY, 6, 6, %1, dst, src, u1, u2, w, table
.loop:
%if cpuflag(ssse3)
movu xm0, [srcq+0] ; (byte) { Bx, Gx, Rx }[0-3]
- movu xm2, [srcq+12] ; (byte) { Bx, Gx, Rx }[4-7]
+ movu xm2, [srcq+8] ; (byte) { Bx, Gx, Rx }[4-7]
%if mmsize == 32
vinserti128 m0, m0, [srcq+24], 1
- vinserti128 m2, m2, [srcq+36], 1
+ vinserti128 m2, m2, [srcq+32], 1
%endif
+ psrldq m2, 4
pshufb m1, m0, shuf_rgb2 ; (word) { R0, B1, G1, R1, R2, B3,
G3, R3 }
pshufb m0, shuf_rgb1 ; (word) { B0, G0, R0, B1, B2, G2,
R2, B3 }
pshufb m3, m2, shuf_rgb2 ; (word) { R4, B5, G5, R5, R6, B7,
G7, R7 }
@@ -289,11 +290,12 @@ cglobal %3 %+ 24ToUV, 7, 7, %1, dstU, dstV, u1, src, u2,
w, table
.loop:
%if cpuflag(ssse3)
movu xm0, [srcq+0] ; (byte) { Bx, Gx, Rx }[0-3]
- movu xm4, [srcq+12] ; (byte) { Bx, Gx, Rx }[4-7]
+ movu xm4, [srcq+8] ; (byte) { Bx, Gx, Rx }[4-7]
%if mmsize == 32
vinserti128 m0, m0, [srcq+24], 1
- vinserti128 m4, m4, [srcq+36], 1
+ vinserti128 m4, m4, [srcq+32], 1
%endif
+ psrldq m4, 4
pshufb m1, m0, shuf_rgb2 ; (word) { R0, B1, G1, R1, R2, B3,
G3, R3 }
pshufb m0, shuf_rgb1 ; (word) { B0, G0, R0, B1, B2, G2,
R2, B3 }
%else ; !cpuflag(ssse3)
_______________________________________________
ffmpeg-cvslog mailing list -- [email protected]
To unsubscribe send an email to [email protected]
