gst-play: Restrict the maximum allowed volume value to 2.0
gst-play uses cubic representaion for volume, meanwhile playbin uses linear representaion with [0, 10.0] range.
Proper max clipping range for that seems to 2 (~= "the cube root of 10.0")
gst-play uses cubic representaion for volume, meanwhile playbin uses linear representaion with [0, 10.0] range.
Proper max clipping range for that seems to 2 (~= "the cube root of 10.0")