==16229== Invalid read of size 8
==16229==    at 0x53CFC4F: __GI___strncasecmp_l (strcmp.S:213)
==16229==    by 0x538200A: ____strtod_l_internal (strtod_l.c:566)
==16229==    by 0x4ECA0F0: gst_value_deserialize_double (gstvalue.c:2398)
==16229==    by 0x4EB132F: gst_structure_parse_value (gststructure.c:2204)
==16229==    by 0x4EB459E: gst_structure_from_string (gststructure.c:2121)
==16229==    by 0x4E6EA1F: gst_caps_from_string (gstcaps.c:1816)
==16229==    by 0x40068F: main (in /home/jens/t)
==16229==  Address 0x7225388 is 24 bytes inside a block of size 28 alloc'd
==16229==    at 0x4C2B6CD: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16229==    by 0x5B9EEC8: g_malloc (gmem.c:159)
==16229==    by 0x5BB3B2D: g_strdup (gstrfuncs.c:364)
==16229==    by 0x4EB4165: gst_structure_from_string (gststructure.c:2258)
==16229==    by 0x4E6EA1F: gst_caps_from_string (gstcaps.c:1816)
==16229==    by 0x40068F: main (in /home/jens/t)

LC_*:
LC_PAPER=de_DE.UTF-8
LC_ADDRESS=de_DE.UTF-8
LC_MONETARY=de_DE.UTF-8
LC_NUMERIC=de_DE.UTF-8
LC_TELEPHONE=de_DE.UTF-8
LC_IDENTIFICATION=de_DE.UTF-8
LC_MEASUREMENT=de_DE.UTF-8
LC_TIME=de_DE.UTF-8
LC_NAME=de_DE.UTF-8