shithub: libvpx

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Fixing error found by ioc.

vp9/encoder/vp9_rdopt.c:3913:44: runtime error: index -1 out of bounds for
type 'RefBuffer [3]'.

Change-Id: Ic0ec755328853b359e3a1ee84d319589183e38b7

--- a/vp9/encoder/vp9_rdopt.c

+++ b/vp9/encoder/vp9_rdopt.c

@@ -3910,10 +3910,11 @@

     // TODO(jingning, jkoleszar): scaling reference frame not supported for

     // sub8x8 blocks.

-    if (ref_frame > NONE && vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf))

+    if (ref_frame > INTRA_FRAME &&

+        vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf))

       continue;

-    if (second_ref_frame > NONE &&

+    if (second_ref_frame > INTRA_FRAME &&

         vp9_is_scaled(&cm->frame_refs[second_ref_frame - 1].sf))

       continue;