NixOS/nixpkgs — pull request #1403 by iyzsong (2013-12-23 15:51:42+00:00)
Title: add gstreamer 1.2.1

The gstreamer-1.0 branch in nixpkgs seem to be old and die.
Despite this pull request clearly need more work and refactor,
I just leave the old 0.10 sutff untouched, so we can migrate eventually.