[vdr] Re: vdr-1.3.18: DolbyDigital "stuttering" sound

["christian jacobsen" <Christian.Jacobsen@stageholding.de>]

Hallo Klaus, 

> > > >>>>Does your DVB card have 2MB or 4MB SDRAM?
> > > >>>>
> > > >>>>In case it's a 2MB card, which value would you need in 
> > > >>
> > > >>VDR/transfer.c in
> > > >>
> > > >>>>   if (ringBuffer->Available() < 3 * KILOBYTE(192) / 2)
> > > >>>>
> > > >>>>instead of the default '192'?
> > > >>>>
> > > >>>>Maybe VDR could automatically switch between these two 
> > > >>
> > > >>values, depending
> > > >>
> > > >>>>on whether a 2MB or a 4MB card is present.
> > > > 
> > > > 
> > > > Yes, that could be a possible solution, but it would be a 
> > > lot easier to
> > > > test if I did not have to recompile everytime I chose other 
> > > values ;) 
> > > > Could any one please do that programming for me ? and I 
> > > will then test
> > > > this.
> > > 
> > > There won't be such a setup option!
> > > If a higher value helps for 2MB cards, I'll make it use that value
> > > automatically. This buffer is just a workaround, anyway, 
> and I don't
> > > want to manifest it with yet another setup option.
> > 
> > No problem :) important was to know where to change things.
> > 
> > > > I presume I have to change 192 to a higher value.
> > > 
> > > Yes.
> > 
> > As also Chad Flynt has reported higher values do help! I did 
> > only have 1
> > hour time to test and only tried 224, 256 and 272.
> > 
> > 224 is not enough. 256 does not allways help but it is 
> > definetly better
> > :) only had time to try 272 once and it seemed worse that 
> > 256, but I did
> > not have time to restart VDR and retry. I will try 384 
> tonight and see
> > if it is better :)
> 
> Yesterday I tried 384 and it is indeed very good that way - no
> stuttering at all on Sat1, Pro7 and ZDF :)
> As the switch time goes up I will try to find the best Vaule for this
> and I hope to get some help at vdrportal.de for this. I will post
> something in the News thread ...
> 
> I will try 320 tonight.

I would say 320 should be OK, I had no stuttering yesterday while
watching ZDF, Sat1 and Pro7.
ZDF is the most difficult one to get without stuttering but with 320 it
is OK on my system :)

Greetings
Viking