[linux-dvb] S2API - Status - Thu Sep 11th

Steven Toth stoth at linuxtv.org
Fri Sep 12 18:17:44 CEST 2008


Johannes Stezenbach wrote:
> On Fri, Sep 12, 2008, Steven Toth wrote:
>> Christophe Thommeret wrote:
>>> As far  as i understand, the cinergyT2 driver is a bit unusual, e.g. 
>>> dvb_register_frontend is never called (hence no dtv_* log messages). I don't 
>>> know if there is others drivers like this, but this has to be investigated 
>>> cause rewritting all drivers for S2API could be a bit of work :)
>>>
>>> P.S.
>>> I think there is an alternate driver for cinergyT2 actually in developement 
>>> but idon't remember where it's located neither its state.
>> Good to know. (I also saw your followup email). I have zero experience 
>> with the cinergyT2 but the old api should still be working reliably. I 
>> plan to investigate this, sounds like a bug! :)
> 
> Holger was of the opinion that having the demux in dvb-core
> was stupid for devices which have no hw demux, so he
> programmed around dvb-core. His plan was to add a
> mmap-dma-buffers kind of API to the frontend device,
> but it never got implemented.
> 
> Anyway, it's bad if one driver is different than all the others.

Hmm, I didn't realize this, good to know.

Now it's peaked my interest, I'll have to look at the code.

The existing API should still work at a bare minimum, if it's not - it 
needs to.

- Steve




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