What happens when you try playing the file with
gst-launch-0.10 filesrc location="/path/to/file" ! decodebin ! fakesink
or
gst-launch-0.10 filesrc location="/path/to/file" ! decodebin ! osssink
or
gst-launch-0.10 filesrc location="/path/to/file" ! decodebin ! alsasink
?
What happens when you try playing the file with "/path/ to/file" ! decodebin ! fakesink "/path/ to/file" ! decodebin ! osssink "/path/ to/file" ! decodebin ! alsasink
gst-launch-0.10 filesrc location=
or
gst-launch-0.10 filesrc location=
or
gst-launch-0.10 filesrc location=
?