[vdr] Syncearly + subtitles problem

Ales Jurik ajurik at quick.cz
Tue Oct 21 11:07:27 CEST 2008


On Tuesday 21 of October 2008, Hannu Tirkkonen wrote:
> Ales Jurik wrote:
> > On Monday 20 of October 2008, Hannu Tirkkonen wrote:
> >>> Josce
> >>
> >> The subtitles and ttxtsubs are in sync when watching live... but
> >> The same problem with too early exists on recordings.
> >>
> >> vdr 1.7.0 with reelbox plugin 9044:
> >> VDR-Extensions-Patch-62/vdr-1.7.0_extensions.diff
> >> DR-Extensions-Patch-62/vdr-1.7.0-ext_h264.diff
> >> vdr170-ext-h264-rmm-svn8858-patch.diff
> >>
> >> There's a ReplayDelay option on ttxtsubs, but is it
> >> possible to get the (customized) delay also for the subtitles as well?
> >>
> >> ...hanu
> >
> > I don't see such problem:
> >
> > vdr-1.7.0 with reelbox plugin 9044
> > -
> > vdr-1.7.0-h264-syncearly-framespersec-audioindexer-fielddetection-speedup
> > - vdr170-h264-rmm-svn8858-patch
> >
> > BR,
> >
> > Ales
>
> Just finished the clean installation of vdr-1.7.0 with same patches:
> vdr-1.7.0 with reelbox plugin 9044
> vdr-1.7.0-h264-syncearly-framespersec-audioindexer-fielddetection-speedup
> vdr170-h264-rmm-svn8858-patch
>
> The subtitles and ttxtsubs appears ~ 6 seconds too early.
> I can live with the ttxtsubs, because of the option ReplayDelay (5000),
> but watching the recordings with subtitles is quite annoying..
>
> The recordings with ttxtsubs and subtitles are from Thor (S1.0W)
> (dvb-s/dvb-s2) and local Finnish (dvb-c) broadcaster Welho. (Canal
> Digital and Yle stuff...)
>
> I'll try to get a sample recordings uploaded somewhere tomorrow.
>

I've tried to record 10mins samples from few channels other than I'm normally 
watching (with dvb-subtitles). It seems to me that recordings from some 
channels have problems you've reported, from other channels recordings are 
replayed without problems. 

The delay (time dvb-subtitles is displayed earlier) seems to be 0 at beginning 
od such recording and is increased and within 10 mins it reaches up to 6 
secs.

I'm not sure as I don't have too much time to test but channels with problems 
have only one dvb-subtitles stream and are dvb-s. I didn't found dvb-s2 
channel with sync subtitles problem. But normally I'm using NatGeo (UPC, 
19.2E) which is broadcasting also dvb-s and only one dvb-subtitles stream and 
no problems is there.

So it is not necessary to upload the problematic recording for me (but maybe 
someone from reelmutimedia will be interested in). I already have such.

BR,

Ales



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