For ubuntu 14.04, which one does OpenCV ( 2.4.9 / 3.0) supports, libav or FFmpeg. Also how to compile OpenCV with FFmpeg/libav enabled.
Right now I have installed Opencv 2.4.9 which gives error while capturing a video in '.mp4' format with 'X264'.
Can I go forward with uninstalling 2.4.9 and upgrading to OpenCV 3 . While upgrading which one should I include FFmpeg or libav.I want gstream also to be enabled.
Can i keep [link text](http://blog.mycodesite.com/compile-opencv-with-ffmpeg-for-ubuntudebian/) as reference for upgrading to Opencv 3
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