[linux-dvb] DVB-S and vdr in South Africa, part II

[Alexis Iglauer <aiglauer@web.de>]

Hi

Hopefully everybody has spending spending a chunk of quality time away 
from their computers these last few days!

After a hint from Micael I am now using the "alternate" driver from  
http://www.linuxdvb.tv/ 
(http://www.linuxdvb.tv/driver/driver-20020228.tgz) together with the 
TT firmware linked to on that page.  I can tune to FTA channels now, 
but am still not getting anywhere with the encrypted channels.  I am 
basically working with two applications: dvbtune and vdr.

There are some aspects of the DVB drivers and of their interaction with 
the firmware that I do not yet understand, if someone could point me in 
the right direction here I would be most grateful.

1a) How does the driver (or the firmware) know that a channel needs to 
be decrypted?
1b) vdr has a ca.conf file, with entries for Premiere and GOD.  What 
can/must I enter here to make it talk to the encryption system used by 
DSTV in South Africa?  Do I need to change the code of vdr to match?
1c) How do set up the CA using programs other than vdr?

2) I have the following channel definitions for a free to air channel:
- channels.conf file for vdr:
EuroNews:11674:v:0:26652:260:261:0:0:108
- DVBtune command:
dvbtune -f 1924000 -s 26652 -p v -a 261 -v 260 -tone 0
- szap channels.conf
EuroNews:1924000:v:0:26652:260:261

For some reason, the first two work, but I cannot tune to the FTA 
channel with szap.  Is there some parameter which the DVB drivers need 
which szap does not pass?

3) I cannot get the "scan" application which is a part of the driver to 
compile, as it seems that the frontend.h file that comes with the 
driver does not have the necessary definitions in it.  Specifically, 
the structure definition:

struct diseqc_cmd {
         struct dvb_diseqc_master_cmd cmd;
         uint32_t wait;
};

Cannot compile as the structure definition for "dvb_diseqc_master_cmd" 
does not seem to exist.  Am I missing something?

Thank you for the patience with me.

Kind regards
Alexis



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