[vdr] DVB-subtitles on VDR-1.6.0-1 stay on screen for too long

Harri Kukkonen hkkukkon at cc.hut.fi
Thu Apr 24 14:23:46 CEST 2008


Harri Kukkonen wrote:
> Hi,
>
> after upgrading to from to VDR 1.6.0 I have noticed that the 
> DVB-subtitles stay on screen for about one second too long. The 
> difference is noticeable compared to 1.4.7 with subtitles-plugin. 
> Problem exists on both live-viewing and record-viewing. I use 
> Fujitsu-Siemens DVB-C FF-card as output.
>
> In addition I compared recordings of a same program from Finnish Yle TV1 
> and TV1+ (TV1 has DVB-subtitles, TV1+ is same channel with subtitles 
> "burned in" to video), and subtitles stayed on the dvb-subtitled 
> recording about one second longer compared to the "burned in" video 
> version. Subtitles start time seemed to be same on both versions. I can 
> provide both recordings for testing if needed.
>
>   
I uploaded samples (90MB) to rapidshare: 
http://rapidshare.com/files/110035063/dvbsubtest.tar.bz2.html

In the file are 2 two minute recordings, from TV1 with dvb-subtitles and 
TV1+ with burned in subtitles. There are good examples of the problem at 
0:15 and 0:30.

-- 
Harri



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