this is using NoOneImportant's first emu.zip file and then applying the au.patch
I have a feeling I am doing something wrong with nagra.c in sc/systems/nagra/.... possibly I am applying the wrong patch or something, or I'm patching the wrong file.

vdrstop
cd /usr/local/src/VDR/vdr-1.4.4/
make clean
make clean-plugins
# get fresh vanilla sc 0.5.11 code
rm -rf /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/vdr-sc-0.5.11.tar.gz
rm -rf /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc-0.5.11/
rm -rf /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc
cd /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/
wget http://www.k2projects.com/vdr-sc-0.5.11.tar.gz
tar -xzf vdr-sc-0.5.11.tar.gz
ln -s /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc-0.5.11/ sc
cd /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/
# save original nagra.c code that comes with sc 0.5.11
mv /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/nagra.c /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/nagra.c.orig
# got this emu.zip from this post http://dvbn.happysat.org/viewtopic.php?t=37181&postdays=0&postorder=asc&start=30
wget http://www.geocities.com/vlivecd/emu-files/emu.zip
wget http://www.k2projects.com/nooneimportantfirstrelease/au.patch
unzip -o /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/emu.zip
cd /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/
rm nagra.c
mv nagra.c.orig nagra.c
wget http://www.k2projects.com/nooneimportantfirstrelease/sc-0.5.11-nagra.c.diff
patch -p0 < sc-0.5.11-nagra.c.diff
cd /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/
# patch -p0 < au.patch
cd /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/emu
gcc -c *.c
cd /usr/local/src/VDR/vdr-1.4.4/
make
make plugins
make install
make install-plugins
cd /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra
cp libsc-nagra.so /etc/vdr/plugins/
cp libsc-nagra.so /usr/local/bin/PLUGINS/lib/
cp /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/emu/image.bin /tmp/
cp /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/emu/image.bin /etc/vdr/plugins/
cp /usr/local/src/VDR/vdr-1.4.4/PLUGINS/src/sc/systems/nagra/emu/image.bin /usr/local/bin/PLUGINS/lib/
vdrstart