intel / intel/vpl-gpu-rt

P010 encoding combined with VPP deinterlacing produces unexpected result

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bug
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Description

The result of deinterlacing and encoding of intrelaced P010 stream using sample_encode application (vpp-enc.log) differs
from the result of encoding of progressive stream (enc.log) produced by separate invokation of sample_vpp for deinterlacing
of the same input stream (vpp.log).

Hardware:
Tigerlake 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz

Software configuration:
Linux TGL 5.9.0-050900-generic #202010112230 SMP Sun Oct 11 22:34:01 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
oneVPL-intel-gpu intel-onevpl-21.3.1
oneVPL 2021.5.0
Intel Media Driver 2021Q2 Release - 21.2.3
intel-gmmlib-21.2.1
Libva 2.12.0
[vpp.log](https://github.com/oneapi-src/oneVPL/files/7019951/vpp.log)
[vpp-enc.log](https://github.com/oneapi-src/oneVPL/files/7019952/vpp-enc.log)
[enc.log](https://github.com/oneapi-src/oneVPL/files/7019953/enc.log)
![vpp-enc](https://user-images.githubusercontent.com/57530959/130199157-a103cca3-88da-436e-86a0-ff0649203168.jpg)
![enc](https://user-images.githubusercontent.com/57530959/130199163-b47af4aa-02fc-4735-8d24-7cc2a7d382b8.jpg)
![vpp](https://user-images.githubusercontent.com/57530959/130199166-d7cec9ad-67ef-4879-95ac-72a9c8713a30.jpg)

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