[MPlayer-dev-eng] [PATCH] Get Demuxer Time for Proper DVD Time

Paul Huwe reicow at yahoo.com
Wed Aug 4 17:58:46 CEST 2010

> > Paul Huwe ha scritto:
> >> Hello,
> >>
> >> I've created a small tweak to add a slave command
> "get_demux_time_pos" to return the present demuxer time as a
> float (out to 3 digits, aka millisecond accuracy). I was
> inspired to create this because "get_time_pos" gets reset to
> zero during the course of playing a DVD and I need the
> proper DVD time throughout (to sub-second accuracy).
> Searching on google showed numerous posts where others have
> a need for a timer that does not reset.
> >>
> >>
> >>    
> > 
> > the demuxer will report the PTS present in the mpeg
> stream, that is 
> > subject to be reset quite often (possibly even at
> > every cell entry point) and in many cases it does.
> > In the case of DVDs the stream layer reports the
> correct timestamp, even 
> > though at most with
> > 0.5 seconds of accuracy. It's already used to indicate
> the current time 
> > in the OSD
> Since when is this change (OSD shows correct position)
> active? I didn't
> pay much attention watching movies lately, but previously
> at least it
> appeared as the PTS reset often occured during the layer
> break. I hope
> this information is outdated

I've been able to test my patch since it was implemented, and the time has not reset during any DVD so far.



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