We can't modify it without breaking existing setups

Some implementations of sed blindly take the argument following
-i to be the file extension for the backup during an in-place edit.
Signed-off-by: Rafaël Carré <funman@videolan.org>

Occurs when shifting alpha = 255 by 24 bits.

and stop casting signed into unsigned (><)

This avoids the vout opened for by the "visual" module to stay
opened after having started an OpenGL based visualization.

This is a work-around for #9270, but noone fixed it/care enough since 2.1.x...
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Due to stylesheets inheritance, QTBUG-20027 happens on tooltip.