[linux-dvb] Johannes' idea of simple zap (szap)

Patrick Boettcher patrick.boettcher at desy.de
Mon Jun 13 00:12:14 CEST 2005


Hi,

On Mon, 13 Jun 2005, Manu Abraham wrote:
> It is not a complete SI parser, at the moment it handles only PAT and PMT 
> tables..
>
> What i do is the bit-shifting and masking is done by specific routines, such 
> that it look very clean indeed..
>
> I think i should finish off ca_zap and libs such that you guys can take a 
> look at it at the earliest.. Actually i have some quite modular code right 
> now, thanks to the pressure Dominique put up..

Yes, please do it. Why not committing your beta/alpha code to dvb-apps 
now?

> Hmmm.. i use quite some PAT and PMT parsing. I am doing a couple of 
> descriptors at the moment. I was planning to add in parsing NVOD descriptors 
> too for some stuff that i was working on for some NVOD decryption for DVB-S 
> (Actually the modularization really helps there, as code duplication is 
> really avoided)
>
> I have quite some code there, if i happen to switch, that would make myself 
> to rewrite hell a lot of code. The way i worked it out, liben50221 depends 
> heavily on libsi, as CA_PMT objects are derived from SI only.
>
> So it does not make much sense for me to switch over. In fact that would mean 
> a complete rewrite ? If i am correct ..

My attempt and the mail was just a suggestion for an "easy-to-extend" 
libsi. You already wrote a libsi which does it in the same way - good. So 
it'll probably your libsi-implementation which will be the base for adding 
further tables and which then could be used by dvbscan, too. How to 
generate the struct doesn't matter... at this time.

Patrick.

--
   Mail: patrick.boettcher at desy.de
   WWW:  http://www.wi-bw.tfh-wildau.de/~pboettch/




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