the image from TX1 onboard vision sensor is upside down?

hi,
I run caffe sample in Tegra_Multimedia_API.
but the image from TX1 onboard vision sensor is upside down.

how to flip the image from TX1 onboard vision sensor by the libargus not opencv?
thanks

Issue will be replied in https://devtalk.nvidia.com/default/topic/1003688/jetson-tx1/-the-image-from-tx1-onboard-vision-sensor-is-upside-down-/post/5126076/#5126076

Thanks