manual docker install for gstreamer

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I was able to get over this issue by being explicit with versions, I took the example from Canonical but had to do this

# checkout the latest stable version
git clone https://github.com/hailo-ai/hailort-drivers.git
git checkout v4.20.0

Then, inside my containers entrypoint script, I tied the libs to these versions

  echo "📦 Installing Hailo-all"
  apt-get update && \
    apt-get install -y \
        hailo-all=4.20.0 \
        hailo-tappas-core=3.31.0+1-1 \
        hailofw=4.20.0-1 \
        hailort=4.20.0-1 \
        python3-hailort=4.20.0-1 \
        rpicam-apps-hailo-postprocess=1.7.0-1 \
    && apt-mark hold hailo-all hailo-tappas-core hailofw hailort python3-hailort rpicam-apps-hailo-postprocess

That seems to be all I needed to do so far, I can now see the hailonet, hailooverlay and hailofilter gstreamer elements.

I had a few red-herrings that took me down a dark path… on the host it would randomly “lose” the device, especially after a reboot, but I found another post on here saying to run hailortcli scan, then if devices have vanished, run

sudo modprobe -r hailo_pci
sudo modprobe hailo_pci

I’m going in a slightly different direction than the Canonical example, I’m using the container headless, it’ll just do the inferrence, it’ll be a gstreamer pipeline sourcing from one tcp and sinking to another tcp outside the container. When I eventually get it working I’ll come back here with some links

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