gst-plugins-bad: get prefix from the config
gst-plugins-bad: get prefix from the config

jackjansen/cerbero,ikonst/cerbero,fluendo/cerbero,flexVDI/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,fluendo/cerbero,ikonst/cerbero,nirbheek/cerbero-old,sdroege/cerbero,nirbheek/cerbero,flexVDI/cerbero,superdump/cerbero,AlertMe/cerbero,ford-prefect/cerbero,multipath-rtp/cerbero,superdump/cerbero,shoreflyer/cerbero,nzjrs/cerbero,cee1/cerbero-mac,nirbheek/cerbero-old,brion/cerbero,BigBrother-International/gst-cerbero,jackjansen/cerbero-2013,centricular/cerbero,centricular/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,OptoFidelity/cerbero,davibe/cerbero,cee1/cerbero-mac,BigBrother-International/gst-cerbero,nirbheek/cerbero-old,cee1/cerbero-mac,AlertMe/cerbero,davibe/cerbero,atsushieno/cerbero,ford-prefect/cerbero,shoreflyer/cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,EricssonResearch/cerbero,brion/cerbero,atsushieno/cerbero,justinjoy/cerbero,fluendo/cerbero,ramaxlo/cerbero,GStreamer/cerbero,multipath-rtp/cerbero,OptoFidelity/cerbero,OptoFidelity/cerbero,ramaxlo/cerbero,lubosz/cerbero,GStreamer/cerbero,flexVDI/cerbero,nzjrs/cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,nirbheek/cerbero-old,superdump/cerbero,ford-prefect/cerbero,nirbheek/cerbero,ikonst/cerbero,atsushieno/cerbero,flexVDI/cerbero,brion/cerbero,GStreamer/cerbero,AlertMe/cerbero,fluendo/cerbero,ford-prefect/cerbero,ramaxlo/cerbero,ylatuya/cerbero,nicolewu/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,ikonst/cerbero,jackjansen/cerbero,sdroege/cerbero,BigBrother-International/gst-cerbero,atsushieno/cerbero,davibe/cerbero,multipath-rtp/cerbero,EricssonResearch/cerbero,brion/cerbero,OptoFidelity/cerbero,jackjansen/cerbero-2013,justinjoy/cerbero,lubosz/cerbero,lubosz/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,EricssonResearch/cerbero,BigBrother-International/gst-cerbero,nirbheek/cerbero,sdroege/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,jackjansen/cerbero,ylatuya/cerbero,multipath-rtp/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,shoreflyer/cerbero,AlertMe/cerbero,cee1/cerbero-mac,nicolewu/cerbero,justinjoy/cerbero,superdump/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,jackjansen/cerbero-2013,davibe/cerbero,ramaxlo/cerbero,lubosz/cerbero,ylatuya/cerbero,centricular/cerbero,fluendo/cerbero,ylatuya/cerbero,flexVDI/cerbero,nicolewu/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,nzjrs/cerbero,jackjansen/cerbero,multipath-rtp/cerbero,AlertMe/cerbero,ikonst/cerbero,jackjansen/cerbero-2013,jackjansen/cerbero-2013,freedesktop-unofficial-mirror/gstreamer__cerbero,EricssonResearch/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,justinjoy/cerbero,BigBrother-International/gst-cerbero,nzjrs/cerbero,nzjrs/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,atsushieno/cerbero,sdroege/cerbero,brion/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,centricular/cerbero,GStreamer/cerbero,ramaxlo/cerbero,centricular/cerbero,nirbheek/cerbero,sdroege/cerbero