rem: UNIMPLEMENTED(); if (a.type == b.type) return true; return false;
add: return a.Matches(&b);
context: bool format_is_compatible(const media_format & a, const media_format & b)	/* a is the format you want to feed to something accepting b */{	UNIMPLEMENTED();	if (a.type == b.type)		return true;	return false;}