[vdr] Re: Commerial Filter?

["Roland Praml" <pram2000@web.de>]

> Someone with good knowledge of the MPEG2 format could extract some
> DCT-coefficients at some places in the frame directly and test if that
idea
> is usable and has a sharp enough detection.
>
> Simple cut out the same commercial from 2 different broadcasts and extract
> the values, compare them. If they have only slightly differences or are
> identical it can be done!
>
> It would use so little cpu-cycles that it can be done (optionally) in
> realtime as well or just create the marks.vdr file if you don't trust it
;-)
>
> The disadvantage is of course, that you have to "view" each commercial at
> least once.

Maybe we can share the fingerprints over some kind of filesharing network
:-)
No, other ideas are for eg. Pro7 has a typically 3 tone sound at the begin
and
end of a commercial.

>
> The advantage is, that it would'nt drive the broadcasters crazy, IMHO.
>
>

Roland