tree 69cfe69968eca529d397b47504f19d93b8dd1ad9
parent af64f6341bdbca93aff3d68264af48e74faa9e58
author Teng-Hui Zhu <ztenghui@google.com> 1459362895 -0700
committer Teng-Hui Zhu <ztenghui@google.com> 1459362995 -0700

LUTInterpolator needs to have 2 frame at minimal

Otherwise, it could be having invalid data, here NAN.
Fix:27343522

Change-Id: I5bb17f04c62f268ec633675015ef589be2413338