Re: [PATCH 0/10] MR4439: mfplat: Implement MFInitAMMediaTypeFromMFMediaType and related functions.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/mfplat/mediatype.c:
> - UINT32 image_size, bitrate, sample_size;
> - UINT64 frame_size, frame_rate;
> - INT32 width, height;
> - HRESULT hr;
> -
> - if (IsEqualGUID(&am_type->formattype, &FORMAT_WaveFormatEx))
> -
>    return E_INVALIDARG;
> - if (IsEqualGUID(&am_type->formattype, &GUID_NULL))
> -
>    am_type->formattype = FORMAT_VideoInfo;
> -
> - if (IsEqualGUID(&am_type->formattype, &FORMAT_MFVideoFormat))
> -
>    return MFCreateMFVideoFormatFromMFMediaType(media_type, (MFVIDEOFORMAT **)&am_type->pbFormat,
> -
>            (UINT32 *)&am_type->cbFormat);
> -
> - if (IsEqualGUID(&am_type->formattype, &FORMAT_VideoInfo))
> - {

Let's include that in the following if () sequence, merging GUID_NULL with VideoInfo.