Fix a typo "CLOSED_CAPTION" -> "CLOSED-CAPTION" and a broken if statement that always bailed out for closed captions Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6985>
This allows an application to use timestamps associated with fragments. Patch by: Thomas Bluemel <tbluemel@control4.com> See: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/195 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1417>