Disable libdirac decoder if the faster libschroedinger decoder is available. patch by Anuradha Suraparaju, anuradha rd.bbc.co uk
Disable libdirac decoder if the faster libschroedinger decoder is available.
patch by Anuradha Suraparaju, anuradha rd.bbc.co uk


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@13074 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg