Re: [PATCH v3 0/2] MR7796: winegstreamer: Allow caller to allocate samples in MF_XVP_PLAYBACK_MODE.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/mfplat/tests/mfplat.c:
> +
> +    hr = pD3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, D3D11_CREATE_DEVICE_VIDEO_SUPPORT,
> +                           NULL, 0, D3D11_SDK_VERSION, &device, NULL, NULL);
> +    if (FAILED(hr))
> +    {
> +        skip("Failed to create D3D11 device object.\n");
> +        return;
> +    }
> +
> +    hr = pMFCreateDXGIDeviceManager(&reset_token, &manager);
> +    ok(SUCCEEDED(hr), "failed to create device manager, hr %#lx.\n", hr);
> +
> +    hr = IMFDXGIDeviceManager_ResetDevice(manager, (IUnknown *) device, reset_token);
> +    ok(SUCCEEDED(hr), "failed to reset device manager, hr %#lx.\n", hr);
> +
> +    hr = CoCreateInstance(&CLSID_VideoProcessorMFT, NULL, 1, &IID_IMFTransform, (void **) &xvp);
> Why literal "1" ?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7796#note_100697