fillUV            142 apps/HelloAndroidCamera2/jni/HalideFilters.cpp     dst->fillUV(128, 128);
fillUV            144 apps/HelloAndroidCamera2/jni/YuvBufferT.cpp     fillUV(u, v);
fillUV             89 apps/HelloAndroidCamera2/jni/YuvBufferT.h     void fillUV(uint8_t u, uint8_t v);