[vdr] Announcement, new driver features

["Robert Schneider" <Robert.Schneider@de.ibm.com>]

In case you're not reading linux-dvb frequently
----- Forwarded by Robert Schneider/Germany/IBM on 02.09.2002 09:51 -----

linux-dvb-bounce@linuxtv.org wrote on 02.09.2002 04:30:16:

> Hi,
> 
> because we were able to make some improvements in the Linux driver for
> the Technotrend/Fujitsu-Siemens cards with AV711X during the last 
> few weeks we want to make this special announcement.
> 
> By rewriting some of the core components of the cards software we were
> able to simplify and speed up the data transfer inside the AV711X.
> This was combined with the improved buffer handling in the 
> communication between AV711X and PC, which we already introduced 
> some time ago, and the software filters in the Linux DVB drivers.
> 
> 
> This enables us to:
> 
> - transfer real TS packets from the frontend to the PC
>   (up to 32 PIDs)
> 
> - increase the maximally possible bandwidth 
> 
> - transfer data from/to the card at the same time 
>   at usable speeds without data loss
> 
> 
> The obvious applications are:
> 
> - real time-shifting with just one DVB card 
>   (without the need of a software decoder as others do it)
> 
> - recording several channels and/or multiple sound PIDs from the
>   same transponder without problems
> 
> - better networking support 
>   (higher bandwidth, less firmware crashes)
> 
> 
> The new firmware is already checked into CVS in the NEWSTRUCT branch.
> (You can also use it in the main branch. We did not want to 
> put it there before some of the more adventurous NEWSTRUCT users
> could test it.)
> 
> To activate the new filtering mode you only have to get this new 
firmware
> and change one line in the driver in the file dvb.c or av7110.c 
(depending
> on the driver branch).
> In the function StartHWFilter(), change
> 
>         buf[3] = mode;
> into 
> 
>         buf[3] = 0xb96a;
> 
> 
> We will make complete driver packages with those and more 
> fixes available in the future but we will have to find a suitable web 
> page first.
> 
> 
> We also were in contact with Klaus Schmidinger who tested the new
> driver for us and is busy writing a new version of VDR which makes
> use of the new features. 
> Check out his page at http://www.cadsoft.de/people/kls/vdr/index.htm
> for announcements and updates.
> 
> 
> Finally, if you visit the Linux-Kongress (www.linux-kongress.de) 
> in Cologne/Germany this week, you will be able to see the new 
> driver in action.
> 
> 
> Best wishes,
> Ralph and Marcus 
> 
> 
> -- 
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