I've solved the problem I was having in post #23 above. I had to install libavutil49 first before the upgrade would work. Here is the truncated output:
~$ sudo apt-get install libavutil49 Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libavcodec52 libavformat52 The following packages will be REMOVED: libavcodec-extra-52 libavutil-extra-49 The following NEW packages will be installed: libavcodec52 libavutil49 The following packages will be upgraded: libavformat52 1 upgraded, 2 newly installed, 2 to remove and 5 not upgraded. Need to get 2,643kB of archives. After this operation, 0B of additional disk space will be used. Do you want to continue [Y/n]? Y Fetched 2,643kB in 2s (1,218kB/s) Setting up libavutil49 (4:0.5.1-1ubuntu1.1) ... Setting up libavcodec52 (4:0.5.1-1ubuntu1.1) ... Setting up libavformat52 (4:0.5.1-1ubuntu1.1) ... Processing triggers for libc-bin ... ~$ sudo apt-get update Fetched 3,758B in 3s (970B/s) Reading package lists... Done ~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: ffmpeg libavdevice52 libavfilter0 libpostproc51 libswscale0 5 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 647kB of archives. After this operation, 0B of additional disk space will be used. Do you want to continue [Y/n]? Y Fetched 647kB in 1s (348kB/s) Setting up libavdevice52 (4:0.5.1-1ubuntu1.1) ... Setting up libavfilter0 (4:0.5.1-1ubuntu1.1) ... Setting up libpostproc51 (4:0.5.1-1ubuntu1.1) ... Setting up libswscale0 (4:0.5.1-1ubuntu1.1) ... Setting up ffmpeg (4:0.5.1-1ubuntu1.1) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place synaptic shows all packages up to date and security fixes in place. Thanks for all the helpful suggestions. :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751114 Title: ffmpeg unresolvable dependancies -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs