composition in sample_vpp fails with -14 status when QueryIOSurface

composition in sample_vpp fails with -14 status when QueryIOSurface

Hello,

I used composition in sample_vpp ,but failed .

When I  called MFXVideoVPP->QueryI, it return 4 (MFX_WRN_PARTIAL_ACCELERATION)。

Then I called MFXVideoVPP->QueryIOSurf,   it return -14(MFX_ERR_INCOMPATIBLE_VIDEO_PARAM)。

How Can I fix this question? That means it can't support composition, isn't it?

Machine:

System info:
        CPU:    Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz
        OS:     Microsoft Windows 7 
        Arch:   64-bit

Installed Media SDK packages (be patient...processing takes some time):
        Intel(R) Media SDK 2017 R1

 

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