swscale: handle unaligned buffers in yuv2plane1

The issue had been introduced in c435653627 Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2011-11-13 05:40:41 +01:00 · 2011-11-13 05:40:41 +01:00 · 8283f90a52
parent 29ae0565d9
commit 8283f90a52
1 changed files with 2 additions and 0 deletions
--- 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