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

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Patrick Boettcher wrote:
> 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?

I should commit code that works. Not something that is broken. That's 
why asked for a bit of time..

> 
>> 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.

I would not have gone for it, if Dominique Dumont had not bugged me so 
much. The reason for he bugging me was the original ca_zap would not 
work for him, due to TPS style of descriptors in the SI.

> 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.
> 

It is actually quite easy to extend it..


Manu



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