Describes the intended aspect ratio for a video media type.
UINT32
GUID MF_MT_SOURCE_CONTENT_HINT = {0x68aca3cc,0x22d0,0x44e6,{0x85,0xf8,0x28,0x16,0x71,0x97,0xfa,0x38} }
The value of this attribute is a member of the MFVideoSrcContentHintFlags enumeration.
The GUID constant for this attribute is exported from mfuuid.lib.
Header: Declared in mfapi.h.