Currently, the most convenient way to generate GStreamer binaries for Mac is to use the MacPorts build system. It automatically handles dependencies and patches, and it is kept well up-to-date. However, the main disadvantage of MacPorts is that the resulting GStreamer libraries are meant to be placed inside a specific location in the disk, usually [...]

Update: the installer described here is known to cause incompatibilities with other OSX applications. The latest version of GSVideo for mac bundles the GStreamer libs inside the library package, so there is no need for a separate install of GStreamer. If you need a system wide installation of GStreamer for OSX, please try out the one [...]

I was finally able to make gsvideo work on OSX (tested on Leopard with an 20″ iMac)! The problem was not as much as with gsvideo itself, which needed just some small changes in order to set the directory where GStreamer libraries get copied. The difficult part was to have GStreamer actually installed on OSX, [...]

Wayne Meissner, the author of the java bindings for GStreamer, wrote detailed instructions to compile the latest version of GStreamer and all the plugins on OSX: http://code.google.com/p/gstreamer-java/wiki/GstreamerOnMacOSX