Mplayer-svn-gtk1.tce was split into two packages - mplayer and mencoder.

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mkdir /tmp/mplayer-pkg
mkdir /tmp/mencoder-pkg/usr/local/bin
tar -xzvf MPlayer-svn-gtk1.tce -C /tmp/mplayer-pkg
mv /tmp/mplayer-pkg/usr/local/bin/mencoder /tmp/mencoder-pkg/usr/local/bin/

cd /tmp/mplayer-pkg
find . -not -type d > /tmp/mplayer.list
tar -T /tmp/mplayer.list -czvf /home/tc/MPlayer-svn-gtk1.tce

cd /tmp/mencoder-pkg
find . -not -type d > /tmp/mencoder.list
tar -T /tmp/mencoder.list -czvf /home/tc/mencoder-svn.tce