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Memory leak using Gstreamer pipelines as video input

See original GitHub issue

There is memory leaks issues when using video inputs like:

Webcam as a gstreamer pipeline: "v4l2src device=/dev/video0 ! video/x-raw, framerate=30/1, width=640, height=360 ! videoconvert ! appsink"
Raspberrypi cam : "nvarguscamerasrc ! video/x-raw(memory:NVMM),width=1280, height=720, framerate=30/1, format=NV12 ! nvvidconv ! video/x-raw, format=BGRx, width=640, height=360 ! videoconvert ! video/x-raw, format=BGR ! appsink"

It seems related to OpenCV and VideoCapture API .

Filled two issue on nvidia forum and darknet:

One thing that would be good would be to repro the bug with OpenCV 3.4.7 (latest) and fill an issue on the OpenCV repo.

Issue Analytics

State:
Created 4 years ago
Comments:20 (14 by maintainers)

Top GitHub Comments

2reactions

tdurandcommented, Mar 6, 2020

Yes you can use htop from terminal

sudo apt-get install htop

htop

It will display the processes and the memory usage, you will have a line with ./uselib blabalbalbala which should be on top and on the left you have the memory usage…

2reactions

tdurandcommented, Mar 6, 2020

Looking for people to test OpenDataCam v3.0.0-alpha.1 on Jetson nano to see if memory leak problem is fixed

Docker setup

Build only available on jetson nano for now.

Should work from jetpack 4.2.x , if not please flash to 4.3

# Remove previous install files or run setup from a new folder

Remove config.json, install-opendatacam.sh, run-docker.sh, run-opendatacam.sh

# Download install script
wget -N https://raw.githubusercontent.com/opendatacam/opendatacam/v3.0.0-alpha.1/docker/install-opendatacam.sh

# Give exec permission
chmod 777 install-opendatacam.sh

# NB: You will be asked for sudo password when installing the docker container

# Install command for Jetson Nano
./install-opendatacam.sh --platform nano

Non-docker setup:

If you want to install without docker (on another platform than jetson nano), follow this documentation:

https://github.com/opendatacam/opendatacam/blob/v3.0.0-alpha.1/documentation/USE_WITHOUT_DOCKER.md

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