softsubs:
- add ability to have 1 source subtitle feed many output subtitles
use hb_subtitle_add() to add output tracks.
example use case:
you want forced subtitles from a source track on one output track and
the entire subtitle stream from the same source track on a second
output track
- LinGui: make subtitle tab resemble functionality of the audio tab
any track can be added multiple times with different settings.
git-svn-id: svn://localhost/HandBrake/trunk@2476
b64f7644-9d1e-0410-96f1-
a4d463321fa5