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Camera Feed Stutter on iPhone 11 iOS 11.3.1

February 14, 2020 - 1:27pm #1

Hello,



I'm getting a video feed stutter on iPhone 11 iOS 11.3.1, Vuforia 8.6.10, Unity 2019.3. I'm not talking about jittery 3D objects, I mean the actual video background will jump up aperiodicaly. Error not present on an iPad Pro.

 

Setting the Camera Device Mode to MODE_OPTIMIZE_SPEED seems to have reduced the stuttering frequency to a small degree. Overheating is not an issue either, the stuttering occurs right as the app begins.

vbintuitive
Joined:
October 10, 2019
Posts: 2
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Camera Feed Stutter on iPhone 11 iOS 11.3.1 [ RESOLVED]

February 18, 2020 - 2:38pm #3

Downloaded the samples, difference was the post processing stack on the ARCamera. PPv2 being enabled on the camera produces this stutter. Pity, as it does seem to work fine on Android.

vbintuitive
Joined:
October 10, 2019
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Camera Feed Stutter on iPhone 11 iOS 11.3.1

February 18, 2020 - 1:17am #2

Hi,

I quickly tested the behavior with the 8.6.10 Core sample apps and was *not* able to reproduce the issue.

Could you please provide a video with the stutter encountered?

Thank you.

Vuforia Engine Support

mcotora
Joined:
March 15, 2019
Posts: 1152
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