I have found a workaround. I've downgraded libgexiv2-0 to the maverick version (0.2.0-0ubuntu2). This solves problems for both callstacks mentioned above (gexiv2_metadata_get_exif_tag_rational and gexiv2_metadata_get_orientation).
I have found a workaround. I've downgraded libgexiv2-0 to the maverick version (0.2.0-0ubuntu2). This solves problems for both callstacks mentioned above (gexiv2_ metadata_ get_exif_ tag_rational and gexiv2_ metadata_ get_orientation ).