# Jetson multimedia API sample 01 video\_encode

**URL:** <https://forums.developer.nvidia.com/t/jetson-multimedia-api-sample-01-video-encode/297565>\
**Category:** Jetson Nano\
**Tags:** mmapi\
**Created:** [June 25, 2024, 8:59am UTC](https://forums.developer.nvidia.com/t/jetson-multimedia-api-sample-01-video-encode/297565 "2024-06-25T08:59:28Z")\
**Posts on this page:** 1\
**Showing post:** 12

<div class="post-metadata">

**Author:** ![DaneLLL](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/danelll/32/14043_2.png) [@DaneLLL](https://forums.developer.nvidia.com/u/DaneLLL)\
**Post date:** [June 27, 2024, 10:40pm UTC](https://forums.developer.nvidia.com/t/jetson-multimedia-api-sample-01-video-encode/297565/12 "2024-06-27T22:40:33Z")

</div>

Hi,  
You would need to use a tool to parse QP value of each macroblock in the frame. The printed value is the QP value of whole frame. It doesn’t print out the specific ROI.

Please refer to the post about how ROI works:  
[How to use setROIParams function on Jetson to set dynamic RoI encoding? - #11 by DaneLLL](https://forums.developer.nvidia.com/t/how-to-use-setroiparams-function-on-jetson-to-set-dynamic-roi-encoding/199546/11)

---

_[View the full topic](https://forums.developer.nvidia.com/t/jetson-multimedia-api-sample-01-video-encode/297565)._