Add function to pretty-print durations
Submitted by Bastien Nocera @hadess
Link to original bug (#679850)
Description
Something similar to:
http://git.gnome.org/browse/totem/tree/src/gst/totem-time-helpers.c#n33
We would also want to be able to force showing the hour item, if the corresponding item has an hour field.
eg., progress as I've just started watching a film:
00:00:15/1:25:00
And usefully, print time left:
00:00:15 [===============] -1:24:45
API bikeshedding appreciated.