Thanks Daniel, the dmo packages seem no longer in the repo. I want to
to clean it all up and reinstall to current versions but that means
"downgrade". This gets quite complex as some depend on others:

:/# dpkg -l|grep "\-dmo"|grep "^ii"|awk '{print $2 "\t\t" $3}'
ffmpeg          10:2.6.5-dmo1
lame            1:3.99.5-dmo4
libaacplus2:amd64               2.0.2-dmo2
libavcodec56:amd64              10:2.6.5-dmo1
libavdevice56:amd64             10:2.6.5-dmo1
libavfilter5:amd64              10:2.6.5-dmo1
libavformat56:amd64             10:2.6.5-dmo1
libavresample2:amd64            10:2.6.5-dmo1
libavutil54:amd64               10:2.6.5-dmo1
libbluray1:amd64                2:0.7.0-dmo1
libdca0:amd64           0.0.5-dmo2
libdvdcss2:amd64                1.3.0-dmo1
libfaac0:amd64          1:1.28-dmo3
libfame-0.9-1:amd64             0.9.1-dmo1
libfdk-aac1:amd64               1:0.1.4-dmo1
libgegl-0.2-0:amd64             1:0.2.0-dmo8
libmp3lame0:amd64               1:3.99.5-dmo4
libmp4v2-2:amd64                2:2.0.0-dmo2
libpostproc53:amd64             10:2.6.5-dmo1
librtmp1:amd64          2:2.4~20150315.gita107cef9b-dmo1
libswresample1:amd64            10:2.6.5-dmo1
libswscale3:amd64               10:2.6.5-dmo1
libutvideo15:amd64              15.1.0-dmo2
libvamp-hostsdk3:amd64          1:2.5-dmo6
libvidstab1.0           2:0.98b-dmo1
libx264-146:amd64               3:0.146.2538+git121396c-dmo1
libx265-51:amd64                1.6-dmo1
libxine2                1:1.2.6-dmo6
libxine2-bin:amd64              1:1.2.6-dmo6
libxine2-ffmpeg:amd64           1:1.2.6-dmo6
libxine2-misc-plugins:amd64             1:1.2.6-dmo6
libxine2-plugins                1:1.2.6-dmo6
libxine2-x:amd64                1:1.2.6-dmo6
libxvidcore4:amd64              3:1.3.3-dmo1
mplayer2                1:2.0~git20130903-dmo7