.H265 Compression mode svo files (VIDIOC_REQBUFS at output planeError ) in ZED 2i camera/Jetson nano orin developer kit

Software Python
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1

Issue at hand
Hi,
I get the following error when i try to record videos locally onto the jetson nano orin developer kit via python script provided by zed (svo_recording.py). This happens when i record videos with a compression of h265 but if i use lossless mode then .svo recording works fine.

How can i over come this issue. Thanks

Error in VIDIOC_REQBUFS at output planeError in VIDIOC_REQBUFS at output plane[ZED][Encoding] Critical Error : No Video Enc [enc_44849]
Segmentation fault (core dumped)

System info:
Package: nvidia-jetpack
Version: 5.1.1-b56
Architecture: arm64
Maintainer: NVIDIA Corporation
Installed-Size: 194
Depends: nvidia-jetpack-runtime (= 5.1.1-b56), nvidia-jetpack-dev (= 5.1.1-b56)

Installed zed sdk : ZED_SDK_Tegra_L4T35.3_v4.0.7.zstd.run
Cython==3.0.2
numpy==1.24.4
pyzed==4.0

2

Hi @mn172
Welcome to the Stereolabs community.

The NVIDIA Jetson Orin Nano has no hardware encoding/decoding capabilities so you cannot record and play SVO with H264 or H265 encoding.
For the same reason, you cannot use the Local Streaming feature.

3

What would be a good way to record RGBD files locally? Shoulud i use opencv in that case/ Do you have some examples in python.

What harware is supported otherwise?
Thanks

4

The NVIDIA Jetson Orin Nano is the only Jetson model without HW encoders, all the other models can use this feature.

For examples, please check the zed-sdk Github repository.

5

Can i use the standard 2gb jetson nano to do that instead

6

Hello @Myzhar !

I have the same problem than @mn172, what other model would you recommend ? With at least the same characteristics ?

Thanks !

7

ZED X works with

  • Orin Nano (no hardware encoders for H264/H265)
  • Orin NX (the devkit does not exist, if you have an Orin Nano you can use its carrier board)
  • AGX Orin
  • Xavier NX
  • Xavier AGX
1 Like
8

ZED 2i can work with a Jetson nano 4GB module too right?

9

Yes, if your requirements in terms of performances are not too high

1 Like
10

When i record videos in HD720 on a jetson 2gb sometimes its all black. How can i avoid this and why might this be the case

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In order to ensure optimal performance, it’s important to use a fast-write SD card and ensure that the Nano is running at full speed by enabling jetson_clocks.

Additionally, make sure that the board is actively cooled and that temperatures remain within a safe range.

Finally, to prevent interruptions during SVO recording, consider adjusting the priority level of the process responsible for the task.

1 Like
12

Any suggestion for a fast write sd card?

I am currently using Samsung PRO Plus microSD/SD-card - 160/120MB - 256GB

I want to recoed videos in 1 hour chuncks remotely. Is it advisable to use this device setup. Possibly change to a 4gb jetson

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My recommendation is to consult the NVIDIA Developer forum for accurate information regarding this.