Guo, Yejun (12021-03-04): > For option 1.1, it is not allowed because .h file (structs for bounding box) > for side > data is not exported. > > For option 1.2, to avoid the possible risk of API breaking, we need a > versioning > management, and the code such as BoundingBoxV1 and BoundingBoxV2 etc. is > not elegant.
Have you considered option 1.3: 1.3. Add the enum for a new side data, but document: /** * The data is for internal use by libavfilter. */ For the users, it is equivalent to storing it in private_ref, since it is private, but it is closer to the good long-term API where the information is eventually available outside. Regards, -- Nicolas George
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