I confirm this happens in trusty amd64, but it's fixed in xenial and
later, so I'm marking it as such.

** Changed in: opencv (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1161485

Title:
  /usr/lib/pyshared/python2.7/cv2.so depends on missing libavcodec52?

Status in opencv package in Ubuntu:
  Fix Released

Bug description:
  After installing python-opencv in Ubuntu 12.04 LTS, the python
  statement "import cv2" results in an error:

  ImportError: libavcodec.so.52: cannot open shared object file: No such
  file or directory

  Which is correct since libavcodec.so.52 is not installed nor is it
  possible to install it from the regular respositories since itis be
  replaced by libavcodec.so.53. Checked with another system, which also
  runs 12.04, but a fresh install instead of an upgrade from 10.04 (some
  time ago) and to my astonishment, the same .deb package (downloaded
  straight from
  http://nl.archive.ubuntu.com/ubuntu/pool/universe/o/opencv/python-
  opencv_2.3.1-7_i386.deb and unpacked with dpkg -x) show different
  dependencies:

  gerwin@PC1:/tmp/python-opencv/usr/lib/pyshared/python2.7$ ldd cv2.so | grep 
avcodec
    libavcodec.so.53 => /usr/lib/i386-linux-gnu/i686/cmov/libavcodec.so.53 
(0xb51f7000)

  vs.

  gerwin@PC2:/tmp/python-opencv/usr/lib/pyshared/python2.7$ ldd cv2.so | grep 
avcodec
    libavcodec.so.52 => not found

  Is there another part in the system that defines the dependencies
  other than the files themselves?

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