FFMPEG - High CPU Usage

We are developing the application that get video from URL and record in local machine.We using the Xavier NX for our Application.To get the video we using FFMPEG. We running the FFMPEG multiple time using thread . Our application consuming more than 70% of CPU in all cores .But we need to run our application in 30% CPU in all cores.

Is anyone can help to resolve that issue.

We have a package enabling hardware decoding. Please look at the document:

You may try this package.