The gstreamer-0.10 version of pitfdll is limited in what it supports.
[dixon@localhost ~]$ gst-inspect pitfdll
Plugin Details:
Name: pitfdll
Description: DLL-loader elements
Filename: /usr/lib/gstreamer-0.10/libpitfdll.so
Version: 0.9.1.1
License: GPL
Source module: pitfdll
Binary package: PitfDLL
Origin URL:
http://ronald.bitfreak.net/pitfdll/
qtadec_bin: quicktime binary audio decoder
dmodec_wmspdmodv1: DMO wmspdmod decoder version 1
dmodec_wmadmodv3: DMO wmadmod decoder version 3
dmodec_wmadmodv2: DMO wmadmod decoder version 2
dmodec_wmadmodv1: DMO wmadmod decoder version 1
dmodec_wmvdmodv3: DMO wmvdmod decoder version 3
dmodec_wmvdmodv2: DMO wmvdmod decoder version 2
dmodec_wmvdmodv1: DMO wmvdmod decoder version 1
dmodec_wmv9dmodv3: DMO wmv9dmod decoder version 3
dshowdec_ir41_32v4: DS ir41_32 decoder version 4
dshowdec_ir50_32v5: DS ir50_32 decoder version 5
dmodec_wma9dmodv3: DMO wma9dmod decoder version 3
12 features:
+-- 12 elements
The othe distros may use gstreamer0.8