Gstreamer 1.0: Resolve new FIXMEs
Done statement: There are no unresolved FIXMEs in the gstreamer 1.0 changeset
This might need to be broken down into multiple issues. I've left a number of comments, fixmes, todos, notes, and debug output in the changeset that need to be cleaned up before merge. But FIXMEs in particular we should start resolving early.
For example, in one FIXME, to get a testable MVP, I changed the memory copy from GPU to CPU, which will add some performance issues.