Video decode with nvv4l2decoder+gstreamer+opencv

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU) Jetson
• DeepStream Version 5.0
• JetPack Version (valid for Jetson only) 4.6
• TensorRT Version 8.1
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs)
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)

I have several rtsp video streams, and when I try to decode with opencv+gstreamer in one thread, the first decoded video delay is very large, up to a few minutes, but the last decoded video delay is around 2 seconds. How can I optimize the latency for all video decoded to be around 2 seconds?

which sample are you testing or referring to? what is whole media pipeline? DS5.0 is too old. can this issue be reproduced on the latest DS7.1?

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