mfvideosrc: Handle I420/IYUV subtypes for UWP cases
mfvideosrc: Handle I420/IYUV subtypes for UWP cases
Microsoft defines two I420 formats, one is I420, and the other is
IYUV (but both are same, just names are different).
Since both will be converted to GST_VIDEO_FORMAT_I420,
we should check both I420 and IYUV subtypes during
GstVideoFormat to Microsoft's format conversion.
mfvideosrc: Add more debug log
It would be useful for finding the error reason.
Edited by Seungha Yang