[vlc-devel] vlc-devel Digest, Vol 42, Issue 6

andy wang wandy817 at gmail.com
Tue Nov 2 13:01:40 CET 2010

SO there are not 'durations' of subtitle in any specification? So how we
control the time with "clear events", or when to trigger the clean events,
is it a constant in vlc?


> On 1 nov 2010, at 14:59, andy wang wrote:
> > Hi All,
> > I have one question about dvb subtitle in vlc. I know the 'PTS' field is
> the
> > start time to show the subtitle, but i don't know when to end-display the
> > subtitle(when disappear it). I have read the specification but i cann't
> find
> > anything about the answer.  It's from any field in the PES, or just a
> > constant, e.g 10ms?  Same question with subtitle in teletext.
> For these systems, there are "draw events" and "clear events" that change
> or completely remove anything that is currently in the subtitle layer. Subs
> of this type usually do not have "durations".
> DJ
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