gst-plugins-bad, gst-plugins-bad-gir, gst-plugins-base-gir, gst-plugins-base, gst-plugins-good, gst-plugins-ugly, gstreamer and gstreamer-gir are all present in the armv7 repo.
gst-plugins-{good, bad, ugly} had not been included in the armv6 repo as one or more of their deps would not compile for armv6 - this being said, they may work for your purpose as many of the deps are optional.
I suspect gstreamer-tools are probably included in the above, but you would need to compile python-gst.