[Bug 98005] VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface

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Comment # 19 on bug 98005 from
(In reply to Boyuan Zhang from comment #18)
> (In reply to Andy Furniss from comment #14)
> > but I am afraid the patches regress cbr so the out of order frames near I frames issue is back.
> 
> The "out of order" issue was caused by sending last p and next i frame
> together for dual instance encoding, which has already been solved and
> shouldn't affect by this patch. I suspect the i-frame has less QP (quality)
> than p-frame in cbr case (to meet constant bit-rate) where bit-rate is not
> high enough, as a result you might see low picture quality for each i-frame.
> Please confirm with high bitrate or using analyser to check the order.
> 
> If you still see the out-of-order issue, please share the clip and command.
> 
> Thanks

Nevermind, the cbr issue was reproduced and fixed. Please try the latest patch
I just send.


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