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-rw-r--r--libavfilter/drawutils.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index 99c124822d..bcdb669bd3 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -112,6 +112,8 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
if (depthb && (depthb != db))
return AVERROR(ENOSYS);
depthb = db;
+ if (db * (c->offset + 1) > 16)
+ return AVERROR(ENOSYS);
/* strange interleaving */
if (pixelstep[c->plane] != 0 &&
pixelstep[c->plane] != c->step)