[vdr] Re: VDR developer version 1.1.15

["Rene Bartsch" <vdr@bartschnet.de>]

----- Original Message -----
From: "Andreas Schultz" <aschultz+vdr@warp10.net>
To: <vdr@linuxtv.org>
Sent: Sunday, November 03, 2002 7:30 PM
Subject: [vdr] Re: VDR developer version 1.1.15


> On Sunday 03 November 2002 19:15, Stefan Huelswitt wrote:
> > On 03 Nov 2002 Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de> wrote:
> > > So am I right to understand that this means that AC3overDVB requires
> > > extensive processing of the DD data, which in turn requires additional
> > > libs? I was hoping that this would be just a matter of sending the
data
> > > to the driver, maybe with a few _small_ modifications...
> >
> > AFAIK AC3overDVB doesn't requires post-processing the data. The
> > AC3 data is encapsulated into some kind of PCM frame.
>
> correct.
>
> > Only down-mixing AC3 to stereo requires post-processing and
> > additional libs. This should be no issue for DVB data as all
> > broadcast with AC3 have a normal stereo stream too. But with DVD
> > sources this isn't true in most cases.
>
> There could (should?) IMHO be a plugin that decodes AC3 and sends it to a
> soundcard. That would be interesting for people with 6 channel analog
audio
> out cards. Some basic mediating facility for that should be included into
> VDR's core as this functionality is usefull not only for normal replay,
but
> also for DVD's.
> Note: This can of course currently be done with the -a switch, but the
> required external programs usualy mixup A/V sync and introduce large and
> noticable amounts of jitter.
>

I agree to the plugin idea. Even VDR-core should be separated into as many
plugins as possible. So everyone can simply take a plugin (e.g. channellist)
modify it and distribute without building a complete new plugin or patch
VDR-core ...

Rene



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