Treat GST_FORMAT_DEFAULT as unsupported.  Modified dlna_src_assign_content_info() to be an else if rather than just if statements.
Treat GST_FORMAT_DEFAULT as unsupported.  Modified dlna_src_assign_content_info() to be an else if rather than just if statements.

cisco/gst-plugin-dlnasrc,cisco/gst-plugin-dlnasrc