Re: [PATCH v12 0/2] MR2778: mfmediaengine: Add support for video effects.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/mfmediaengine/tests/mfmediaengine.c:
> -
>        goto no_more_types;
> -
> -
>    MFCreateMediaType(&mt);
> -
>    IMFMediaType_SetGUID(mt, &MF_MT_MAJOR_TYPE, &MFMediaType_Video);
> -
>    IMFMediaType_SetGUID(mt, &MF_MT_SUBTYPE, media_subtypes[index]);
> -
>    *type = mt;
> - }
> - LeaveCriticalSection(&impl->cs);
> -
> - return S_OK;
> -
>
> +no_more_types:
> - LeaveCriticalSection(&impl->cs);
> -
> - return MF_E_NO_MORE_TYPES;
>
> +}

I don't think you need that, take a look what copier mft does. You should be able to return nonspecific video mediatype and a single available type.