Contains configuration properties for an encoder.
*** stored as **IUnknown*
DECLSPEC_SELECTANY GUID MFT_PREFERRED_ENCODER_PROFILE = {0x53004909,0x1ef5,0x46d7,{0xa1,0x8e,0x5a,0x75,0xf8,0xb5,0x90,0x5f} }
To get this attribute, call IMFAttributes::GetUnknown
To set this attribute, call IMFAttributes::SetUnknown
This attribute can be set on the activation object returned by the MFCreateTransformActivate function. The attribute applies only when the activation object is configured to create an encoder. The value of the attribute is a pointer to an attribute store, which itself contains properties to set on the encoder.
The GUID constant for this attribute is exported from mfuuid.lib.
Header: Declared in mftransform.h.