From https://gstreamer.freedesktop.org/src/gst-plugins-ugly/gst-plugins-ugly-1.12.3.tar.xz.sha256sum
sha256 e88ca584c94ea78eeecbf3af00ef7f134b66bdee7408aa4aa6c547235e060052 gst-plugins-ugly-1.12.3.tar.xz