It run well finally.
but i can not get memory leak. i used script from DeepStream SDK FAQ - Intelligent Video Analytics / DeepStream SDK - NVIDIA Developer Forums to check HW & SW Memory log.
Can you specicy how you check memory status?
|PID: 24300 18:43:48|Hardware memory: Total: 0.0000 KiB Free: 0.0000 KiB Client: 0.0000 KiB|VmSize: 31.9844 MiB|VmRSS: 22.1758 MiB|RssFile: 10.2617 MiB RssAnon: 11.9141 MiB|lsof: 0|
|PID: 24300 19:45:47|Hardware memory: Total: 0.0000 KiB Free: 0.0000 KiB Client: 0.0000 KiB|VmSize: 31.9844 MiB|VmRSS: 22.1758 MiB|RssFile: 10.2617 MiB||