avfilter/x86/vf_maskedmerge: Clear upper part of width

Fixes crash Fixes: Ticket5055 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-15 14:13:16 +02:00 · 2015-12-23 21:57:31 +01:00
parent 3689b58a5a
commit e42e0b11f1
1 changed files with 1 additions and 0 deletions
--- a/libavfilter/x86/vf_maskedmerge.asm
+++ b/libavfilter/x86/vf_maskedmerge.asm
@@ -35,6 +35,7 @@ cglobal maskedmerge8, 10, 11, 7, 0, bsrc, osrc, msrc, dst, blinesize, olinesize,
    mova        m4, [pw_256]
    mova        m5, [pw_128]
    pxor        m6, m6
+    movsxdifnidn wq, wd
    add      bsrcq, wq
    add      osrcq, wq
    add      msrcq, wq