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[vdr] Re: Proposal: cutting out advertising automatically



On Tue, Oct 22, 2002 at 08:11:25PM +0200, Rene Bartsch wrote:
> 
> > On Tue, Oct 22, 2002 at 04:01:37PM +0200, Rene Bartsch wrote:
> > >
> > > ----- Original Message -----
> > > From: "Matthias Schniedermeyer" <ms@citd.de>
> > > To: <vdr@linuxtv.org>
> > > Sent: Tuesday, October 22, 2002 1:37 PM
> > > Subject: [vdr] Re: Proposal: cutting out advertising automatically
> > >
> > >
> > > > On Tue, Oct 22, 2002 at 12:49:52PM +0200, Christian Pesch wrote:
> > > > > Matthias Schniedermeyer wrote:
> > > > >
> > > > > >I-Frame
> > > > > >B-Frame
> > > > > >P-Frame [..]
> > > > > >
> > > > > I think, you've missed, that the frame types do no
> > > > > matter: At the end, they produce 25 images per second.
> > > > > And then you might compare them to find out, if two
> > > > > images nearly look the same.
> > > >
> > > > But for this you would have to "decode" the frames to pictures.
> > > >
> > > > For "only" decoding an mpeg-stream to pictures you need about the
> power
> > > > of an PII/III 500Mhz to do that in real-time. Now you have to add the
> > > > time/power you need to analyze the picture.
> > > >
> > > > OK. Decoding could be done by the DVB-S card but i don't think that
> you
> > > > can watch via TV-Set and at the same time DMA the picture into the
> > > > memory of the computer.
> > >
> > > KVDR does this. It copies from the V4L-device into the graphic-card and
> it's
> > > also running deinterlacers.
> > > But the finger-printing will need a lot of horsepowers and well force
> the
> > > broadcasters to PIP-advertisement ...
> >
> > It's in the nature of KVDR to do it, question is if it would work with
> > the "normal" VDR when you want to see the picture via the plug on the
> > card on the TV-set.
> >
> 
> When I tested KVDR some time ago (VDR 0.99 or so) both, the TV-out and the
> V4L were working simultaniously.

OK. Then the paragraph with the horse-power needed to decode the
MPEG-Data can be deleted. Only the horsepower for analyzing the data
remains then. :-)




Bis denn

-- 
Real Programmers consider "what you see is what you get" to be just as 
bad a concept in Text Editors as it is in women. No, the Real Programmer
wants a "you asked for it, you got it" text editor -- complicated, 
cryptic, powerful, unforgiving, dangerous.



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