Just for "fun" I tried installing at CL. nada
emilio@Zord:~$ sudo apt-get install ffmpeg
[sudo] password for emilio:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
gstreamer1.0-plugins-bad-faad gstreamer1.0-plugins-bad-videoparsers libaacs0
libbasicusageenvironment0 libbluray1 libboost-program-options1.54.0
libboost-thread1.54.0 libcddb2 libcrystalhd3 libdiscid0 libdlrestrictions1
libdvbpsi8 libebml4 libfluidsynth1 libgavl1 libgnutls28 libgoocanvas-common
libgoocanvas3 libgroupsock1 libgstreamer-plugins-bad1.0-0 libgtkglext1
libhogweed2 libiso9660-8 libjemalloc1 libjs-sphinxdoc libjs-underscore
libkdecore5 liblivemedia23 libmatroska6 libmkv0 libmlt-data
libopencv-calib3d2.4 libopencv-features2d2.4 libopencv-flann2.4
libopencv-ml2.4 libopencv-video2.4 libproxy-tools libresid-builder0c2a
libsidplay2 libsox-fmt-alsa libsox-fmt-base libsox2 libsrtp0 libssh2-1
libtar0 libupnp6 libusageenvironment1 libva-x11-1 libvcdinfo0 libvlc5
libvlccore7 libxcb-composite0 libxcb-xv0 linux-headers-3.13.0-32
linux-headers-3.13.0-32-generic linux-headers-3.13.0-44
linux-headers-3.13.0-44-generic linux-headers-3.13.0-49
linux-headers-3.13.0-49-generic linux-image-3.13.0-32-generic
linux-image-3.13.0-44-generic linux-image-3.13.0-49-generic
linux-image-extra-3.13.0-32-generic linux-image-extra-3.13.0-44-generic
linux-image-extra-3.13.0-49-generic linux-signed-image-3.13.0-44-generic
linux-signed-image-3.13.0-49-generic localechooser-data openshot-doc
python-audioread python-musicbrainz2 python-pygoocanvas python-pymad
python-pyparsing vlc-data
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
libavcodec54 libavdevice53 libavfilter3 libavformat54
Suggested packages:
frei0r-plugins
The following NEW packages will be installed:
ffmpeg libavcodec54 libavdevice53 libavfilter3 libavformat54
0 upgraded, 5 newly installed, 0 to remove and 10 not upgraded.
Need to get 4,172 kB of archives.
After this operation, 10.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
WARNING: The following packages cannot be authenticated!
libavcodec54 libavformat54 libavfilter3 libavdevice53 ffmpeg
Install these packages without verification? [y/N] y
Err
http://ppa.launchpad.net/jon-severinsson/ffmpeg/ubuntu/ trusty/main libavcodec54 amd64 7:1.2.6-1~trusty1
404 Not Found
Err
http://ppa.launchpad.net/jon-severinsson/ffmpeg/ubuntu/ trusty/main libavformat54 amd64 7:1.2.6-1~trusty1
404 Not Found
Err
http://ppa.launchpad.net/jon-severinsson/ffmpeg/ubuntu/ trusty/main libavfilter3 amd64 7:1.2.6-1~trusty1
404 Not Found
Err
http://ppa.launchpad.net/jon-severinsson/ffmpeg/ubuntu/ trusty/main libavdevice53 amd64 7:1.2.6-1~trusty1
404 Not Found
Err
http://ppa.launchpad.net/jon-severinsson/ffmpeg/ubuntu/ trusty/main ffmpeg amd64 7:1.2.6-1~trusty1
404 Not Found
E: Failed to fetch
http://ppa.launchpad.net/jon-severinsso ... _amd64.deb 404 Not Found
E: Failed to fetch
http://ppa.launchpad.net/jon-severinsso ... _amd64.deb 404 Not Found
E: Failed to fetch
http://ppa.launchpad.net/jon-severinsso ... _amd64.deb 404 Not Found
E: Failed to fetch
http://ppa.launchpad.net/jon-severinsso ... _amd64.deb 404 Not Found
E: Failed to fetch
http://ppa.launchpad.net/jon-severinsso ... _amd64.deb 404 Not Found
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?