Move the function to get the color matrix coefficients from videoconvert to the video library.
https://bugzilla.gnome.org/show_bug.cgi?id=687520
Add a method to get the offset and scale values to transform the color values of a format to their normalized [0.0 .. 1.0] range. This is usually required as the first step of a colorspace conversion.
Move different video functionalities into different files