Scaling issue on VIC vs GPU (Memory leak?)

[yuweiw]

1. We sugget min-width > width/16, max-width < width*16 min-height> height/16, max-height< height*16.
2. You can refer to the link below to check if there is memory leak.
   https://forums.developer.nvidia.com/t/deepstream-sdk-faq/80236/14