Fix stride support in vector clips

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 39c41d2140a5721e59df53e2e1346e641f988f6a..07cbe58c6170b1ca8930fffa3e24fe0aea80ca1a 100644 (file)
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -611,7 +611,7 @@ blend_vector_error:
         by = clip_bm->top;
         bw = clip_bm->w;
         bh = clip_bm->h;
-        bs = clip_bm->w;    // XXX: add real stride support
+        bs = clip_bm->stride;
 
         // Calculate overlap coordinates
         left = (ax > bx) ? ax : bx;