Recording background and virtual content

Unity Development
1

Unity Editor version: 6.2
ML2 OS version: 1.12.1
Unity SDK version: 2.6.0
Host OS: Windows

Hello,

If I record a video of my app, all the non-virtual background is black.I’m using the default URP. I have disabled HDR as suggested here (but can’t “Uncheck the Post Processing option” as it is not there in Unity 6.2) and tried to remove everything I could find about post-processing, but still I get the black background. I also unchecked the post-processing tick on the camera.

Could someone please give me some steps to solve this?

Thanks a lot,

Arnaud

2

Hey @arnaud.candaele ,

For post processing, it can be in many places in Unity 6, so just double check the following in your scene:

  • No Volume Profiles with Bloom, ToneMapping, Exposure, Color Adjustments (all Post processing features)

  • No Global Volume in the scene

  • No Camera Output → Post Processing toggle

It sounds like this is already done but just double check to make sure your Camera object’s background is set to Solid Color and that the color is black (RGBA (0,0,0,0))

It may also help to know how you are attempting to capture the app. Are you making a recording from the headset or trying to record using the MLHub or some external software?

Best,
Corey

3

Thank you for your answer.

So I tried all that:

  • Camera > Background type: solid color, black (0,0,0,0)
  • Camera > Rendering > Post-processing: unchecked
  • Project Settings > Graphics > Pipeline Specific Settings
    • URP: Here I cannot use “None” for the default profile (the editor won’t pick it), so I keep the DefaultVolumeProfile. Maybe the issue? But I tried with a VolumeProfile with everything unchecked too.

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  • URP Asset:
    • Unchecked HDR
    • Set “None” for the Volume Profile
  • Renderer Asset (Universal Renderer Data)
    • Unchecked Post-Processing
    • Removed all renderer features
  • No volume in my scene
  • Tested recording both within the headset and via the ML hub
  • I keep having the black background.

Would you maybe have URP/renderer assets that “work” so I can test them? Or maybe other suggestions?

Thanks a lot!

Arnaud

4

Hey Arnaud,

Don’t know if this would help but I had the same issue with Unity 6. I fixed it by going to Project Settings → Qualtiy and deleted the “Render Pipeline Asser”. I think this is something added by Unity 6 that’s not covered in the ML 2 documentation yet.

5

Hello,

Thanks a lot for the reply. This still wasn’t it but I finally figured that I was modifying the default URP Asset while a Quality level using another URP asset was actually used by the application. Once I unchecked HDR on that, problem was solved! :man_facepalming:

Thank you both for your time @cfeist @zhhqu0305 :folded_hands: :folded_hands: !

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