libav packages on ubuntu 15.04

apt search libavcodec

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libavcodec-dev/vivid 6:11.2-1 amd64
  Development files for libavcodec

libavcodec-extra/vivid,now 6:11.2-1 all [installed]
  Libav codec library (additional codecs meta-package)

libavcodec-extra-56/vivid,now 6:11.2-1 amd64 [installed,automatic]
  Libav codec library (additional codecs)

libavcodec-ffmpeg-dev/vivid-updates,vivid-security 7:2.5.6-0ubuntu0.15.04.1 amd64
  FFmpeg library with de/encoders for audio/video codecs - development files

libavcodec-ffmpeg56/vivid-updates,vivid-security 7:2.5.6-0ubuntu0.15.04.1 amd64
  FFmpeg library with de/encoders for audio/video codecs - runtime files

libavcodec56/vivid 6:11.2-1 amd64
  Libav codec library

libavutil-ffmpeg-dev/vivid-updates,vivid-security 7:2.5.6-0ubuntu0.15.04.1 amd64
  FFmpeg library with functions for simplifying programming - development files

libavutil-ffmpeg54/vivid-updates,vivid-security 7:2.5.6-0ubuntu0.15.04.1 amd64
  FFmpeg library with functions for simplifying programming - runtime files

libdlna-dev/vivid 0.2.4-0ubuntu4 amd64
  development files for libdlna

libdlna0/vivid 0.2.4-0ubuntu4 amd64
  DLNA codec library

winff/vivid 1.5.3-4ubuntu1 all
  graphical video and audio batch converter using ffmpeg or avconv

gistfile1.txt

id@emachines-e520:~/docker-images$ apt search libav | grep installed

WARNING: apt does not have a stable CLI interface yet. Use with caution in scripts.

gstreamer1.0-libav/vivid,now 1.4.5-1 amd64 [installed]
libav-tools/vivid,now 6:11.2-1 amd64 [installed,automatic]
libavahi-client3/vivid,now 0.6.31-4ubuntu4 amd64 [installed]
libavahi-common-data/vivid,now 0.6.31-4ubuntu4 amd64 [installed]
libavahi-common3/vivid,now 0.6.31-4ubuntu4 amd64 [installed]
libavahi-compat-libdnssd1/vivid,now 0.6.31-4ubuntu4 amd64 [installed,automatic]
libavahi-core7/vivid,now 0.6.31-4ubuntu4 amd64 [installed]
libavahi-glib1/vivid,now 0.6.31-4ubuntu4 amd64 [installed]
libavahi-gobject0/vivid,now 0.6.31-4ubuntu4 amd64 [installed]
libavahi-ui-gtk3-0/vivid,now 0.6.31-4ubuntu4 amd64 [installed,automatic]
libavc1394-0/vivid,now 0.5.4-2 amd64 [installed]
libavcodec-extra/vivid,now 6:11.2-1 all [installed]
libavcodec-extra-56/vivid,now 6:11.2-1 amd64 [installed,automatic]
libavdevice55/vivid,now 6:11.2-1 amd64 [installed,automatic]
libavfilter5/vivid,now 6:11.2-1 amd64 [installed,automatic]
libavformat56/vivid,now 6:11.2-1 amd64 [installed,automatic]
libavresample2/vivid,now 6:11.2-1 amd64 [installed,automatic]
libavutil54/vivid,now 6:11.2-1 amd64 [installed,automatic]
libiec61883-0/vivid,now 1.2.0-0.2 amd64 [installed]
libswscale3/vivid,now 6:11.2-1 amd64 [installed,automatic]
id@emachines-e520:~/docker-images$ ^C
id@emachines-e520:~/docker-images$ apt search ffmpeg | grep installed

WARNING: apt does not have a stable CLI interface yet. Use with caution in scripts.

libav-tools/vivid,now 6:11.2-1 amd64 [installed,automatic]
libpostproc52/vivid,now 6:0.git20120821-4 amd64 [installed,automatic]