Hardware acceleration causes Dahua cameras to disconnect

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n3wb
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Hoping someone has ideas on this one. I configured an i5x8600 (W10 64bit) with 8 cameras using BI 4.8.6.3. All was stable but CPU was over 50% so I enabled Intel hardware acceleration. On restart the CPU was down to 9-14% but my 4 Dahua cameras (2 Dahua branded, and 2 Amcrest branded Dahua) started experience issues:
- Dahua cameras regularly disconnect from BI
- Show a black screen when I select them from mobile app - if I toggle amongst cameras I can occasionally get one of the Dahuas to show an image
- Dahuas are 2mp, 4mp, and 8mp models but all are set to 15 FPS and H.265.

The 4 Dahua cameras work fine on direct connection, and the BI connection issue for all 4 Dahua cameras goes away immediately if I disable Intel hardware acceleration. My other cameras work fine with or without hardware acceleration.

I’d like to reenable hardware acceleration for the heat/power/noise savings but only if all cameras are reliable - anyone seen this one before and/or have ideas?
 

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n3wb
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I suspected that when I saw on another thread a suggestion that BI5 disables H.265 with acceleration.

I missed it in the wiki - many thanks.
 
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