[FFmpeg-cvslog] swscale: handle unaligned buffers in yuv2plane1

[Ronald S. Bultje]

ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Sun Nov 13 05:40:41 2011 +0100| [8283f90a52ee5feb5292df3707d4846c3c5d8049] | committer: Luca Barbato

swscale: handle unaligned buffers in yuv2plane1

The issue had been introduced in
c435653627529e22d74214c2266f571255e404d6

Signed-off-by: Luca Barbato <lu_zero at gentoo.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8283f90a52ee5feb5292df3707d4846c3c5d8049
---

 libswscale/x86/scale.asm |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/libswscale/x86/scale.asm b/libswscale/x86/scale.asm
index 64699ea..3bdf71b 100644
--- a/libswscale/x86/scale.asm
+++ b/libswscale/x86/scale.asm
@@ -718,6 +718,8 @@ yuv2planeX_fn avx,  10,  7, 5
 
 %macro yuv2plane1_fn 3
 cglobal yuv2plane1_%1, %3, %3, %2
+    add             r2, mmsize - 1
+    and             r2, ~(mmsize - 1)
 %if %1 == 8
     add             r1, r2
 %else ; %1 != 8